CN219829141U - Vacuum tube solar module and electric energy complementary conduction oil heating device - Google Patents
Vacuum tube solar module and electric energy complementary conduction oil heating device Download PDFInfo
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- CN219829141U CN219829141U CN202320919337.7U CN202320919337U CN219829141U CN 219829141 U CN219829141 U CN 219829141U CN 202320919337 U CN202320919337 U CN 202320919337U CN 219829141 U CN219829141 U CN 219829141U
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Abstract
本实用新型涉及一种真空管太阳能模块与电能互补导热油加热装置，属于能源动力综合利用与新能源技术领域。该装置包括系统回油管、冷油储槽、冷油泵站、冷油环形供油主管、吸热分区支管流量控制器、数个真空管太阳能加热模块、热油出油管、滤油器、温度传感器、电加热补热器、热油储槽进口油泵、热油储槽和外供油泵等。本实用新型加热装置实现了最大化太阳能光热利用效率，加热导热油，温度可达200℃以上，同时，在太阳能+电能互补的条件下，实现真空管太阳能模块+电能互补导热油加热装置24小时连续进行导热油供热，易于推广应用。
The utility model relates to a vacuum tube solar module and electric energy complementary thermal oil heating device, which belongs to the technical field of comprehensive utilization of energy power and new energy. The device includes system oil return pipe, cold oil storage tank, cold oil pump station, cold oil annular oil supply main pipe, heat-absorbing zone branch pipe flow controller, several vacuum tube solar heating modules, hot oil outlet pipe, oil filter, temperature sensor, Electric heating heater, imported oil pump for hot oil storage tank, hot oil storage tank and external oil supply pump, etc. This utility model heating device maximizes the utilization efficiency of solar light and heat and heats thermal oil to a temperature of more than 200°C. At the same time, under the condition of complementary solar energy + electric energy, the vacuum tube solar module + electric energy complementary thermal oil heating device can be realized for 24 hours. Continuous heating with thermal oil is easy to promote and apply.
Description
Technical Field
The utility model belongs to the technical field of comprehensive utilization of energy power and new energy, and particularly relates to a vacuum tube solar module and electric energy complementary heat conduction oil heating device.
Background
Solar photo-thermal utilization is widely applied to resident bathing and daily life at present, and is widely used in sea water desalination, but the use temperature of the existing solar photo-thermal water heating system is generally controlled within 55 ℃, working medium is tap water, scale inside the vacuum heat absorption tube needs to be cleaned frequently, meanwhile, when the heating temperature of the photo-thermal system exceeds 100 ℃, water in the device generates a large amount of water vapor, the internal pressure of the photo-thermal system is easily caused to rise rapidly, and the vacuum heat absorption tube of the photo-thermal system is damaged, so that the solar photo-thermal water heating system is difficult to use under the condition of higher temperature required by industrial enterprises.
The solar photo-thermal and multi-energy complementary research is partially researched at present, and the solar photo-thermal and multi-energy complementary research is applied to resident use, so that the field of heat supply of high-temperature heat conduction oil of industrial enterprises is not applied.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a vacuum tube solar module and electric energy complementary heat conduction oil heating device. The device comprises a system oil return pipe, a cold oil storage tank, a cold oil pump station, a cold oil ring-shaped oil supply main pipe, a heat absorption partition branch pipe flow controller, a plurality of vacuum tube solar heating modules, a hot oil outlet pipe, an oil filter, a temperature sensor, an electric heating heat compensator, a hot oil storage tank inlet oil pump, a hot oil storage tank, an external oil supply pump and the like. Meanwhile, by utilizing the physical characteristics that the heat conduction oil has no phase change within 300 ℃, the temperature of the highest hollow pipe of the solar vacuum heat absorption pipe can reach 250-300 ℃, a plurality of vacuum pipe solar heating module arrays are arranged on the solar vacuum heat absorption system, each vacuum solar heat absorption module consists of a plurality of rows of vacuum solar heat absorption modules, and the vacuum solar heat absorption modules are arranged in series; the heat conduction oil is heated step by step in each module array, namely, the first row of vacuum solar heat absorption modules are heated step by step from 30 ℃ to the last row of vacuum solar heat absorption modules, and the temperature of the design medium reaches 200 ℃; and in the early working period of each morning and the final working period of each evening, the conduction oil with insufficient photo-thermal heating temperature caused by temperature change enters an electric heating heat-supplementing device, so that the working temperature of the conduction oil entering a heating system is ensured to be higher than 200 ℃.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a vacuum tube solar module and electrical energy complementary conduction oil heating device, comprising: the system comprises a system oil return pipe, a cold oil storage tank, a cold oil pump station, a cold oil ring-shaped oil supply main pipe, a heat absorption partition branch pipe flow controller, a plurality of vacuum tube solar heating modules, a hot oil outlet pipe, an oil filter, a temperature sensor, an electric heating heat compensator, a hot oil storage tank inlet oil pump, a hot oil storage tank and an external oil supply pump;
the system oil return pipe is connected with the cold oil storage tank; the cold oil pump station is respectively connected with the cold oil storage tank and the cold oil ring-shaped oil supply main pipe; the oil-cooling ring-shaped oil supply main pipe is provided with a heat absorption partition branch pipe flow controller; the vacuum tube solar heating module is respectively connected with the cold oil ring-shaped oil supply main pipe and the hot oil outlet pipe; an oil filter and a temperature sensor are arranged on the hot oil outlet pipe; the hot oil outlet pipe is respectively connected with an electric heating complementary heater and an inlet oil pump of the hot oil storage tank; the inlet oil pump of the hot oil storage tank is also connected with the electric heating heat compensator and the hot oil storage tank; the hot oil storage tank is also connected with an external oil supply pump;
the low-temperature heat conduction oil flowing back from the outside enters the cold oil storage tank through the system oil return pipe; pumping the low-temperature heat conduction oil stored in the cold oil storage tank into a cold oil annular oil supply main pipe through a cold oil pump station, controlling the flow through a heat absorption partition branch pipe flow controller, and then entering a vacuum tube solar heating module; the low-temperature heat conduction oil is heated in the vacuum tube solar heating module, converged into a hot oil outlet pipe, filtered by an oil filter and monitored by a temperature sensor, and directly enters the hot oil storage tank through an inlet oil pump of the hot oil storage tank when the temperature of the heat conduction oil reaches 200 ℃; when the temperature of the heat conduction oil is lower than 200 ℃, the heat conduction oil enters an electric heating heat-supplementing device for supplementing heat, and when the temperature of the oil reaches 200 ℃, the heat conduction oil enters a hot oil storage tank after being pressurized by an oil pump at an inlet of the hot oil storage tank; the heat conducting oil in the heat conducting oil storage tank is pressurized by the external oil supply pump at the temperature of 200 ℃ and then externally supplied to downstream users.
Further, it is preferable that the system oil return pipe includes a circulation return pipe and a circulation return oil filter; the circulating reflux oil filter is arranged on the circulating reflux pipeline;
the cold oil storage tank comprises a cold oil storage tank body, a cold oil storage tank liquid level meter, a cold oil storage tank supplementing liquid inlet, a cold oil storage tank circulating reflux port, a cold oil storage tank oil outlet, a cold oil storage tank breathing port, a cold oil storage tank temperature sensor and a cold oil storage tank overhauling and emptying port;
a cold oil storage tank liquid level meter and a cold oil storage tank temperature sensor for detecting the temperature of the heat conducting oil in the cold oil storage tank are arranged on the cold oil storage tank body;
a cold oil storage tank supplementing liquid inlet is arranged at the lower part of one side of the cold oil storage tank body; a cold oil storage tank circulation reflux port is arranged on the cold oil storage tank body and above the cold oil storage tank supplementing liquid inlet;
an oil outlet of the cold oil storage tank is arranged at the lower part of the other side of the tank body of the cold oil storage tank;
a cold oil storage tank breathing port is arranged at the top of the cold oil storage tank body;
the bottom of the cold oil storage tank body is provided with a cold oil storage tank overhauling and emptying port;
the circulating reflux pipeline is connected with a cold oil storage tank supplementing liquid inlet.
Further, preferably, the cold oil pump station includes two oil pumps and a photo-thermal controller, and the two oil pumps are mutually standby; an oil outlet of the cold oil storage tank is connected with an oil inlet end of the oil pump; the oil outlet end of the oil pump is connected with the oil inlet end of the oil-cooling ring-shaped oil supply main pipe;
the photo-thermal controller is respectively connected with the oil pump, the cold oil storage tank liquid level meter and the temperature sensor, and controls the oil pump to be started under the condition that the illumination intensity and the cold oil storage tank liquid level height meet the requirements, and the photo-thermal controller controls the oil pump to be closed under the condition that the illumination intensity is insufficient and the cold oil storage tank liquid level height is insufficient; when the temperature of the temperature sensor is higher than 205 ℃, the photo-thermal controller controls the flow of the oil pump to be increased by 5%.
Further, it is preferable that the oil-cooled ring-shaped oil supply main pipe includes an annular oil supply pipe and a plurality of first breather valves mounted on the annular oil supply pipe;
the heat absorption partition branch pipe flow controllers are multiple, and one heat absorption partition branch pipe flow controller is arranged in front of each vacuum tube solar heating module;
the heat absorption partition branch pipe flow controller comprises an orifice plate restrictor, a flowmeter and an adjusting butterfly valve; the orifice plate restrictor, the flowmeter and the regulating butterfly valve are all arranged on the annular oil supply pipe;
the flow is regulated for the first time through the orifice plate restrictor, and the flow is compared through the flowmeter, and the secondary flow regulation of the butterfly valve is controlled and regulated, so that the same flow of each vacuum tube solar heating module is realized.
Further, preferably, the vacuum tube solar heating module is formed by an array of a plurality of vacuum solar heat absorbing modules, and each row of vacuum solar heat absorbing modules is provided with one oil inlet pipe and one oil outlet pipe; the upper row of vacuum solar heat absorption modules are connected in series with the lower row of vacuum solar heat absorption modules, namely heat conduction oil flows into the oil inlet pipe of the lower row of vacuum solar heat absorption modules through the oil outlet pipe of the upper row of vacuum solar heat absorption modules after absorbing heat in the upper row of vacuum solar heat absorption modules, and then enters the lower row of vacuum solar heat absorption modules to absorb heat.
Further, it is preferable that the oil filter includes an impurity filter and an oil separator; the impurity filter and the oil-gas separator are both arranged on the hot oil outlet pipe.
Further, it is preferable that the temperature sensor is provided at an inlet of the oil filter for controlling opening and closing of an inlet valve of the electric heating booster and a bypass valve of the electric heating booster; when the temperature of the heat conduction oil is lower than 200 ℃, an inlet valve of the electric heating heat-supplementing device is opened, a bypass valve is closed, and the heat conduction oil enters the electric heating heat-supplementing device to supplement heat to 200 ℃; when the temperature of the heat conducting oil is higher than 210 ℃, the inlet valve of the electric heating heat compensator is closed, the bypass valve is opened, and the heat conducting oil is pressurized by the inlet oil pump of the heat conducting oil storage tank and enters the heat conducting oil storage tank.
Further, it is preferable that the electric heating booster includes an oil tank; an electric heater is arranged in the oil tank;
the oil inlet pipeline of the oil tank is provided with an oil inlet valve and an inlet valve in sequence; the oil tank is also provided with a heat supplementing temperature sensor; the top of the oil tank is provided with a second breather valve; an outlet valve is arranged at the lower part of one side of the oil tank;
the outlet valve and the bypass valve are respectively connected with an inlet oil pump of the hot oil storage tank.
Further, it is preferred that the hot oil reservoir comprises an oil reservoir; the oil storage tank is provided with a hot oil storage tank temperature sensor and a hot oil storage tank liquid level meter;
the top of the oil storage tank is provided with a third breather valve, and the bottom of the oil storage tank is provided with an overhaul emptying port of the oil storage tank; an overflow valve is arranged at the upper part of the oil storage tank; an oil inlet valve is arranged at the lower part of one side of the oil storage tank, and an oil outlet valve is arranged at the lower part of the other side of the oil storage tank;
and an impermeable cofferdam is arranged around the oil storage tank.
The external oil supply pump is interlocked with the liquid level meter and the oil outlet valve of the hot oil storage tank; when the liquid level meter of the hot oil storage tank displays 50% of liquid level, the oil outlet valve is opened, and the external oil supply pump starts to supply oil outwards; when the liquid level meter of the hot oil storage tank displays 10% of the liquid level, the oil outlet valve is closed, and the external oil supply pump is stopped.
Further, it is preferable to further include a mobile fire extinguishing device.
Preferably, the device of the utility model can be arranged singly or in parallel.
In the utility model, the circulating reflux oil filter is used for filtering the heat conduction oil in the circulating reflux pipeline so as to remove the high-temperature carbonized components of the heat conduction oil. The oil pump preferably carries out variable frequency speed regulation;
in the utility model, the hot oil outlet pipe collects high-temperature heat conduction oil heated by the plurality of vacuum tube solar heating modules and flows into the oil filter by gravity for filtering so as to remove particulate matters and noncondensable gases (including water vapor) in the heat conduction oil.
In the utility model, the inlet oil pump of the hot oil storage tank is preferably a high-temperature low-pressure oil pump, and 2 oil pumps are arranged for one purpose. Preferably, the electric heater is arranged at 5-8 grades, and the heating grade is increased or decreased according to the oil inlet temperature.
According to the utility model, the anti-seepage cofferdam is arranged around the oil storage tank, and all heat conduction oil in the oil storage tank can be placed into the anti-seepage cofferdam in case of an accident. The external oil supply pump is specially used for external supply of high-temperature heat conduction oil in the heat oil storage tank.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The utility model solves the problem that the large-scale vacuum tube solar module and electric energy complementary conduction oil heating device is lacking at present, can realize the implementation of the solar conduction oil heating device with the temperature of more than 120GW, and provides a new idea for large-scale heat supply of regional solar conduction oil.
(2) The utility model solves the problem that the heat supply of the vacuum tube solar module begins in the morning, and the initial temperature of the heat conduction oil of the system is only 50-60 ℃ at most, and can be increased to 200 ℃ by electric heating. (3) The utility model solves the problem that the heating temperature of the tail end of the heat conduction oil of the system is only 70-80 ℃ at the minimum before the heating of the vacuum tube solar module is finished in the evening, and can be increased to 200 ℃ by electric heating.
(4) The utility model solves the problem that the vaporization latent heat of the steam boiler is difficult to recover, and improves the utilization efficiency of heat energy.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a plan view of a vacuum tube solar module and electric energy complementary conduction oil heating device of the utility model;
FIG. 2 is a diagram of a cold oil sump arrangement according to the present utility model;
FIG. 3 is a schematic diagram of a split branch flow controller for heat absorption in accordance with the present utility model;
FIG. 4 is a schematic diagram of a vacuum tube solar heating module arrangement of the present utility model;
FIG. 5 is an enlarged view of a portion of a vacuum tube solar heating module of the present utility model;
FIG. 6 is a cross-sectional view of a vacuum tube solar heating module of the present utility model;
FIG. 7 is a schematic plan view of an oil filter and electrically heated thermal compensator system of the present utility model;
FIG. 8 is a schematic elevation view of an oil filter and electrically heated thermal compensator system of the present utility model;
FIG. 9 is a schematic diagram of a hot oil reservoir according to the present utility model;
FIG. 10 is a schematic view of a mobile fire suppression apparatus of the present utility model;
wherein: 1. a system oil return pipe; 2. a cold oil reservoir; 3. a cold oil pump station; 4. the cold oil ring is provided with an oil supply main pipe; 5. a heat absorption partition branch flow controller; 6. a vacuum tube solar heating module; 7. a hot oil outlet pipe; 8. an oil filter; 9. a temperature sensor; 10. an electric heating heat compensator; 11. an inlet oil pump of the hot oil storage tank; 12. a hot oil reservoir; 13. an external oil feed pump; 14. a mobile fire extinguishing device; 15. a circulation reflux pipe; 16. a recirculation oil filter; 17. a cold oil storage tank body; 18. a cold oil storage tank level gauge; 19. a cold oil storage tank replenishing liquid inlet; 20. circulating reflux mouth of cold oil storage tank; 21. an oil outlet of the cold oil storage tank; 22. a cold oil storage tank breathing port; 23. a cold oil storage tank temperature sensor; 24. an overhaul emptying port of the cold oil storage tank; 25. an oil pump; 26. a photo-thermal controller; 27. an annular oil supply pipe; 28. a first breather valve; 29. an orifice plate restrictor; 30. a flow meter; 31. adjusting a butterfly valve; 32. a vacuum solar heat absorption module; 33. an oil inlet pipe; 34. an oil outlet pipe; 35. an impurity filter; 36. an oil-gas separator; 37. an inlet valve; 38. a bypass valve; 39. an oil tank; 40. an electric heater; 41. a supplemental heat temperature sensor; 42. a second breather valve; 43. an outlet valve; 44. an oil storage tank; 45. a thermal oil reservoir temperature sensor; 46. an oil inlet valve; 47. a hot oil storage tank level gauge; 48. an oil outlet valve; 49. an oil storage tank overhauling and emptying port; 50. a third breather valve; 51. an overflow valve; 52. an impermeable cofferdam; 53. a track; 54. a mobile trolley; 55. a heptafluoropropane plant; 56. a high pressure line; 57. and monitoring the camera.
Detailed Description
The present utility model will be described in further detail with reference to examples.
It will be appreciated by those skilled in the art that the following examples are illustrative of the present utility model and should not be construed as limiting the scope of the utility model. The specific techniques or conditions are not identified in the examples and are performed according to techniques or conditions described in the literature in this field or according to the product specifications. The materials or equipment used are conventional products available from commercial sources, not identified to the manufacturer.
It will be appreciated by those skilled in the art that the following examples are illustrative of the present utility model and should not be construed as limiting the scope of the utility model. The specific techniques, connections, or conditions are not identified in the examples and are set forth in accordance with the techniques, connections, conditions, or in accordance with the product specifications described in the literature in this field. The materials, instruments or equipment used are conventional products available from commercial sources, not identified to the manufacturer.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. The orientation or state relationship indicated by the terms "inner", "upper", "lower", etc. are orientation or state relationship based on the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "provided" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model is understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The absorber zoned manifold flow controller 5 is preferably manufactured by Jiangsu Henghui instruments, inc.
The oil filter 8 is a high temperature vertical filter paper filter, model LYJ-800, preferably manufactured by Fuhongda machinery works, city.
The electric heating heat compensator 10 is of the type YOTB, preferably manufactured by henzhen company, inc.
Recirculation oil filter 16 uses a high temperature vertical filter paper filter model LYJ-800, preferably manufactured by the mechanical factory of good fortune, a city.
The photo-thermal controller 26 model Modicon MC80 is preferably manufactured by Schneider.
The orifice restrictor 29 is preferably manufactured by Jiangsu Henghui instruments limited, model MH 6150.
The vacuum solar heat absorbing module 32 is 50-phi 58-2100, preferably manufacturer solar rain.
The impurity filter 35 is a high temperature vertical filter paper filter, model LYJ-800, preferably manufactured by Fuhongda mechanical works, city.
The oil separator 36 is preferably a vertical DN50 oil separator, preferably available from Michael filtration devices, inc. of New Country.
As shown in fig. 1 to 8, a vacuum tube solar module and electric energy complementary conduction oil heating device is characterized by comprising: the system comprises a system oil return pipe 1, a cold oil storage tank 2, a cold oil pump station 3, a cold oil annular oil supply main pipe 4, a heat absorption partition branch pipe flow controller 5, a plurality of vacuum tube solar heating modules 6, a hot oil outlet pipe 7, an oil filter 8, a temperature sensor 9, an electric heating heat compensator 10, a hot oil storage tank inlet oil pump 11, a hot oil storage tank 12 and an outer oil supply pump 13;
the system oil return pipe 1 is connected with the cold oil storage tank 2; the cold oil pump station 3 is respectively connected with the cold oil storage tank 2 and the cold oil ring-shaped oil supply main pipe 4; the cold oil ring-shaped oil supply main pipe 4 is provided with a heat absorption partition branch pipe flow controller 5; the vacuum tube solar heating module 6 is respectively connected with the cold oil annular oil supply main pipe 4 and the hot oil outlet pipe 7; an oil filter 8 and a temperature sensor 9 are arranged on the hot oil outlet pipe 7; the hot oil outlet pipe 7 is respectively connected with an electric heating complementary heater 10 and an inlet oil pump 11 of a hot oil storage tank; the inlet oil pump 11 of the hot oil storage tank is also connected with the electric heating complementary heater 10 and the hot oil storage tank 12; the hot oil storage tank 12 is also connected with an external oil supply pump 13;
the low-temperature heat conduction oil flowing back from the outside enters the cold oil storage tank 2 through the system oil return pipe 1; the low-temperature heat conduction oil stored in the cold oil storage tank 2 is pumped into the cold oil annular oil supply main pipe 4 through the cold oil pump station 3, and enters the vacuum tube solar heating module 6 after the flow is controlled by the heat absorption partition branch pipe flow controller 5; the low-temperature heat conduction oil is heated in a vacuum tube solar heating module 6, is converged into a hot oil outlet pipe 7, is filtered by an oil filter 8, is monitored by a temperature sensor 9, and directly enters a hot oil storage tank 12 through a hot oil storage tank inlet oil pump 11 when the temperature of the heat conduction oil reaches 200 ℃; when the temperature of the heat conduction oil is lower than 200 ℃, the heat conduction oil enters an electric heating complementary heater 10 to be complementary, and when the temperature of the oil reaches 200 ℃, the heat conduction oil enters a hot oil storage tank 12 after being pressurized by an oil pump 11 at an inlet of the hot oil storage tank; the heat transfer oil in the heat transfer oil reservoir 12 is pressurized by the external oil pump 13 at an oil temperature of 200 c and supplied to downstream users.
Preferably, system return line 1 includes a recirculation line 15 and a recirculation oil filter 16; recirculation oil filter 16 is mounted on recirculation line 15;
the cold oil storage tank 2 comprises a cold oil storage tank body 17, a cold oil storage tank liquid level meter 18, a cold oil storage tank supplementing liquid inlet 19, a cold oil storage tank circulating return port 20, a cold oil storage tank oil outlet 21, a cold oil storage tank breathing port 22, a cold oil storage tank temperature sensor 23 and a cold oil storage tank overhauling and emptying port 24;
a cold oil storage tank liquid level meter 18 and a cold oil storage tank temperature sensor 23 for detecting the temperature of the heat conducting oil in the cold oil storage tank are arranged on the cold oil storage tank body 17;
a cold oil storage tank supplementing liquid inlet 19 is arranged at the lower part of one side of the cold oil storage tank body 17; a cold oil storage tank circulation reflux port 20 is arranged on the cold oil storage tank body 17 and above the cold oil storage tank supplementing liquid inlet 19;
an oil outlet 21 of the cold oil storage tank is arranged at the lower part of the other side of the tank body 17 of the cold oil storage tank;
a cold oil storage tank breathing port 22 is arranged at the top of the cold oil storage tank body 17;
a cold oil storage tank overhauling and emptying port 24 is arranged at the bottom of the cold oil storage tank body 17;
the recirculation return line 15 is connected to a cold oil reservoir make-up feed 19.
Preferably, the cold oil pump station 3 includes two oil pumps 25 and a photo-thermal controller 26, the two oil pumps 25 are standby; an oil outlet 21 of the cold oil storage tank is connected with an oil inlet end of an oil pump 25; the oil outlet end of the oil pump 25 is connected with the oil inlet end of the oil-cooled ring-shaped oil supply main pipe 4;
the photo-thermal controller 26 is respectively connected with the oil pump 25, the cold oil storage tank liquid level meter 18 and the temperature sensor 9, and when the illumination intensity and the cold oil storage tank liquid level height meet the requirements (the photo-thermal controller 26 is not limited in the utility model and can be set according to the actual situation), the photo-thermal controller 26 controls the oil pump 25 to be started, and when the illumination intensity is insufficient and the cold oil storage tank liquid level height is insufficient (the photo-thermal controller 26 is not limited in the utility model and can be set according to the actual situation), the photo-thermal controller 26 controls the oil pump 25 to be closed; when the temperature of the temperature sensor 9 is higher than 205 ℃, the photo-thermal controller 26 controls the flow of the oil pump 25 to be increased by 5%.
Preferably, the oil-cooled ring-shaped oil supply main pipe 4 comprises an annular oil supply pipe 27 and a plurality of first breather valves 28 arranged on the annular oil supply pipe 27;
the heat absorption partition branch pipe flow controllers 5 are multiple, and one heat absorption partition branch pipe flow controller 5 is arranged in front of each vacuum tube solar heating module 6;
the heat absorption partition branch pipe flow controller 5 comprises an orifice restrictor 29, a flowmeter 30 and a regulating butterfly valve 31; the orifice restrictor 29, the flowmeter 30 and the regulating butterfly valve 31 are all mounted on the annular oil supply pipe 27;
the flow is regulated for the first time through the orifice restrictor 29, compared through the flowmeter 30, the regulating butterfly valve 31 is controlled to regulate the flow for the second time, and the flow of each vacuum tube solar heating module 6 is identical.
Preferably, the vacuum tube solar heating module 6 is formed by an array of a plurality of vacuum solar heat absorbing modules 32, and each row of vacuum solar heat absorbing modules 32 is provided with one oil inlet pipe 33 and one oil outlet pipe 34; the upper row of vacuum solar heat absorption modules 32 is connected in series with the lower row of vacuum solar heat absorption modules 32, namely, after heat conduction oil absorbs heat in the upper row of vacuum solar heat absorption modules 32, the heat conduction oil flows into the oil inlet pipe 33 of the lower row of vacuum solar heat absorption modules 32 through the oil outlet pipe 34 of the upper row of vacuum solar heat absorption modules, and then enters the lower row of vacuum solar heat absorption modules 32 to absorb heat.
Preferably, the oil filter 8 comprises an impurity filter 35 and an oil-gas separator 36; the impurity filter 35 and the oil separator 36 are both installed on the hot oil outlet pipe 7.
Preferably, the temperature sensor 9 is arranged at the inlet of the oil filter 8 and is used for controlling the opening and closing of an inlet valve 37 of the electric heating booster 10 and a bypass valve 38 of the electric heating booster 10; when the temperature of the heat conduction oil is lower than 200 ℃, an inlet valve 37 of the electric heating heat-supplementing device 10 is opened, a bypass valve 38 is closed, and the heat conduction oil enters the electric heating heat-supplementing device 10 to supplement heat to 200 ℃; when the temperature of the conduction oil is higher than 210 ℃, the inlet valve 37 of the electric heating complementary heater 10 is closed, the bypass valve 38 is opened, and the conduction oil is pressurized into the hot oil storage tank 12 through the inlet oil pump 11 of the hot oil storage tank.
Preferably, the electric heating booster 10 comprises an oil tank 39; an electric heater 40 is installed in the oil tank 39;
the oil inlet pipeline of the oil tank 39 is provided with a bypass valve 38 and an inlet valve 37 in sequence; the oil tank 39 is also provided with a heat supplementing temperature sensor 41; the top of the oil tank 39 is provided with a second breather valve 42; an outlet valve 43 is installed at the lower part of one side of the oil tank 39;
the outlet valve 43 and the bypass valve 38 are respectively connected with the inlet oil pump 11 of the hot oil storage tank.
Preferably, the hot oil reservoir 12 includes an oil reservoir 44; the oil storage tank 44 is provided with a thermal oil storage tank temperature sensor 45 and a thermal oil storage tank liquid level gauge 47;
the top of the oil storage tank 44 is provided with a third breather valve 50, and the bottom is provided with an oil storage tank overhauling emptying port 49; an overflow valve 51 is installed at the upper part of the oil reservoir 44; an oil inlet valve 46 is arranged at the lower part of one side of the oil storage tank 44, and an oil outlet valve 48 is arranged at the lower part of the other side;
an impermeable weir 52 is provided around the reservoir 44.
The outer oil feed pump 13 is interlocked with a hot oil storage tank level gauge 47 and an oil outlet valve 48; when the hot oil reservoir level gauge 47 shows 50% of the liquid level, the oil outlet valve 48 is opened, and the external oil supply pump 13 starts to supply oil to the outside; when the hot oil reservoir level gauge 47 shows 10% level, the outlet valve 48 is closed and the external feed pump 13 is shut down.
Preferably, the fire extinguishing apparatus 14 is also provided.
Preferably, the mobile fire-fighting device 14 comprises a track 53, a mobile trolley 54, a heptafluoropropane device 55, a high-pressure pipeline 56 and a monitoring camera 57;
the track 53 is arranged on the concrete foundation at two sides of the vacuum tube solar heating module 6, and the movable trolley 54 is arranged on the track 53;
the heptafluoropropane device 55 is arranged on the upper part of the mobile trolley 54 and is connected with a nozzle of the heptafluoropropane device 55 through a high-pressure pipeline 56; a pipeline bracket fixed high-pressure pipeline 56 is arranged on the movable trolley 54; when the monitoring camera 57 detects a fire, a valve in the heptafluoropropane device 55 is automatically opened, and heptafluoropropane is sprayed out from a nozzle to realize automatic fire extinguishment;
the monitoring cameras 57 are mounted on both sides of the upper portion of the traveling carriage 54, and 2 total cameras are provided.
Application instance
Taking 1200kW vacuum tube solar module and electric energy complementary conduction oil heating device as examples, the technical scheme in the embodiment of the utility model is clearly and completely described.
A1200 kW vacuum tube solar module and electric energy complementary conduction oil heating device has a working system of 10 hours/day in daytime and a annual working time of 3000 hours/year, the flow rate of the conduction oil is 6600kg/h, the working temperature of the conduction oil is 200 ℃, and the heat value is 4.32 multiplied by 106kJ/h.
The device is set as follows:
(1) Setting 2 cold oil storage tanks of 100m3 as oil supplementing storage tanks and circulating reflux storage tanks;
(2) 2 oil pumps (namely an oil pump 25) are matched with the cold oil storage tank, the cold oil storage tank is opened and prepared, the oil pump is in a specification of Q=8t/H, H=10m, and the variable frequency speed is regulated;
(3) The vacuum tube solar heating area is provided with a cold oil ring-shaped oil supply inlet main pipe, the design caliber DN100 and the working pressure 0.1MPa;
(4) The vacuum tube solar heating area is provided with a vacuum tube solar heating module 6 group, and the heat conduction oil flow rate of the single module is 1100kg/h;
(5) The heat-conducting oil inlet aperture DN50 of the vacuum tube solar heating module is provided with a group of heat-absorbing partition branch pipe flow controllers; the vacuum tube solar heating module is provided with 6 rows of vacuum solar heat absorption modules; each row of modules consists of 500 standard vacuum tubes with phi 58 mm and 1800 mm; the inlet temperature of conduction oil of the vacuum tube solar heating module is 30 ℃, and the outlet temperature is 200 ℃.
(6) The vacuum tube solar heating area is provided with a hot oil outlet pipe, the caliber DN80 is designed, the working pressure is normal, and gravity flow flows into the oil filter;
(7) Set v=4m 3 One oil filter, one 200kW electric heating heat-supplementing device (8 grade)
(8) Setting 2 oil pumps at the inlet of a hot oil storage tank, wherein the oil pumps are used for one time, the model number Q of the oil pump is 8t/H, the model number H of the oil pump is 10m, and the working temperature is 200 ℃;
(9) Setting 1 hot oil storage tank with the working temperature of 200 ℃ at 150m 3;
(10) Setting 2 external oil supply pumps, namely one oil pump for one, wherein the oil pump is of the type Q=8t/h, and the working temperature is 200 ℃; the oil pump lift is determined according to actual requirements.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A vacuum tube solar module and electric energy complementary conduction oil heating device, characterized by comprising: the system comprises a system oil return pipe (1), a cold oil storage tank (2), a cold oil pump station (3), a cold oil annular oil supply main pipe (4), a heat absorption partition branch pipe flow controller (5), a plurality of vacuum tube solar heating modules (6), a hot oil outlet pipe (7), an oil filter (8), a temperature sensor (9), an electric heating heat supplementing device (10), a hot oil storage tank inlet oil pump (11), a hot oil storage tank (12) and an external oil supply pump (13);
the system oil return pipe (1) is connected with the cold oil storage tank (2); the cold oil pump station (3) is respectively connected with the cold oil storage tank (2) and the cold oil ring-shaped oil supply main pipe (4); the cold oil ring-shaped oil supply main pipe (4) is provided with a heat absorption partition branch pipe flow controller (5); the vacuum tube solar heating module (6) is respectively connected with the cold oil annular oil supply main pipe (4) and the hot oil outlet pipe (7); an oil filter (8) and a temperature sensor (9) are arranged on the hot oil outlet pipe (7); the hot oil outlet pipe (7) is respectively connected with the electric heating complementary heater (10) and the inlet oil pump (11) of the hot oil storage tank; the inlet oil pump (11) of the hot oil storage tank is also connected with the electric heating complementary heater (10) and the hot oil storage tank (12); the hot oil storage tank (12) is also connected with an external oil supply pump (13).
2. The vacuum tube solar module and electric energy complementary conduction oil heating device according to claim 1, characterized in that the system oil return tube (1) comprises a circulation return tube (15) and a circulation return oil filter (16); the circulating reflux oil filter (16) is arranged on the circulating reflux pipeline (15);
the cold oil storage tank (2) comprises a cold oil storage tank body (17), a cold oil storage tank liquid level meter (18), a cold oil storage tank supplementing liquid inlet (19), a cold oil storage tank circulating reflux port (20), a cold oil storage tank oil outlet (21), a cold oil storage tank breathing port (22), a cold oil storage tank temperature sensor (23) and a cold oil storage tank overhauling emptying port (24);
a cold oil storage tank liquid level meter (18) and a cold oil storage tank temperature sensor (23) are arranged on the cold oil storage tank body (17);
a cold oil storage tank supplementing liquid inlet (19) is arranged at the lower part of one side of the cold oil storage tank body (17); a cold oil storage tank circulation reflux port (20) is arranged on the cold oil storage tank body (17) and above the cold oil storage tank supplementing liquid inlet (19);
an oil outlet (21) of the cold oil storage tank is arranged at the lower part of the other side of the tank body (17) of the cold oil storage tank;
a cold oil storage tank breathing port (22) is arranged at the top of the cold oil storage tank body (17);
a cold oil storage tank overhauling and emptying port (24) is arranged at the bottom of the cold oil storage tank body (17);
the circulating reflux pipeline (15) is connected with a cold oil storage tank supplementing liquid inlet (19).
3. The vacuum tube solar module and electric energy complementary conduction oil heating device according to claim 2, wherein the cold oil pump station (3) comprises two oil pumps (25) and a photo-thermal controller (26), and the two oil pumps (25) are standby; an oil outlet (21) of the cold oil storage tank is connected with an oil inlet end of an oil pump (25); the oil outlet end of the oil pump (25) is connected with the oil inlet end of the oil-cooled ring-shaped oil supply main pipe (4);
the photo-thermal controller (26) is respectively connected with the oil pump (25), the cold oil storage tank liquid level meter (18) and the temperature sensor (9).
4. A vacuum tube solar module and electric energy complementary conduction oil heating device according to claim 3, characterized in that the oil-cooled ring-shaped oil supply main tube (4) comprises an annular oil supply tube (27) and a plurality of first breather valves (28) arranged on the annular oil supply tube (27);
the heat absorption partition branch pipe flow controllers (5) are multiple, and one heat absorption partition branch pipe flow controller (5) is arranged in front of each vacuum tube solar heating module (6);
the heat absorption partition branch pipe flow controller (5) comprises an orifice plate restrictor (29), a flowmeter (30) and an adjusting butterfly valve (31); the orifice plate restrictor (29), the flowmeter (30) and the regulating butterfly valve (31) are all arranged on the annular oil supply pipe (27).
5. The vacuum tube solar module and electric energy complementary heat conduction oil heating device according to claim 1, wherein the vacuum tube solar heating module (6) is formed by an array of a plurality of vacuum solar heat absorption modules (32), and each row of vacuum solar heat absorption modules (32) is provided with one oil inlet pipe (33) and one oil outlet pipe (34); the upper row of vacuum solar heat absorption modules (32) is connected in series with the lower row of vacuum solar heat absorption modules (32), namely, after heat conduction oil absorbs heat in the upper row of vacuum solar heat absorption modules (32), the heat conduction oil flows into the oil inlet pipe (33) of the lower row of vacuum solar heat absorption modules (32) through the oil outlet pipe (34) of the upper row of vacuum solar heat absorption modules (32) and then enters the lower row of vacuum solar heat absorption modules (32) to absorb heat.
6. The vacuum tube solar module and electric energy complementary heat conducting oil heating device according to claim 1, wherein the oil filter (8) comprises an impurity filter (35) and an oil-gas separator (36); the impurity filter (35) and the oil-gas separator (36) are both arranged on the hot oil outlet pipe (7).
7. The vacuum tube solar module and electric energy complementary heat conducting oil heating device according to claim 1, characterized in that a temperature sensor (9) is arranged at the inlet of the oil filter (8).
8. The vacuum tube solar module and electric energy complementary conduction oil heating device according to claim 1, characterized in that the electric heating heat compensator (10) comprises an oil tank (39); an electric heater (40) is arranged in the oil tank (39);
a bypass valve (38) and an inlet valve (37) are sequentially arranged on an oil inlet pipeline of the oil tank (39); the oil tank (39) is also provided with a heat supplementing temperature sensor (41); the top of the oil tank (39) is provided with a second breather valve (42); an outlet valve (43) is arranged at the lower part of one side of the oil tank (39);
the outlet valve (43) and the bypass valve (38) are respectively connected with an inlet oil pump (11) of the hot oil storage tank.
9. The evacuated tube solar module and electrical energy complementary heat transfer oil heating device according to claim 1, wherein the hot oil reservoir (12) comprises an oil reservoir (44); a thermal oil storage tank temperature sensor (45) and a thermal oil storage tank liquid level meter (47) are arranged on the oil storage tank (44);
the top of the oil storage tank (44) is provided with a third breather valve (50), and the bottom of the oil storage tank is provided with an oil storage tank overhauling and emptying port (49); an overflow valve (51) is arranged at the upper part of the oil storage tank (44); an oil inlet valve (46) is arranged at the lower part of one side of the oil storage tank (44), and an oil outlet valve (48) is arranged at the lower part of the other side;
an anti-seepage cofferdam (52) is arranged around the oil storage tank (44);
the external oil supply pump (13) is respectively interlocked with a hot oil storage tank liquid level meter (47) and an oil outlet valve (48).
10. The evacuated tube solar module and electrical energy complementary heat transfer oil heating device according to claim 1, further comprising a mobile fire fighting device (14).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558129A (en) * | 2023-04-22 | 2023-08-08 | 昆明有色冶金设计研究院股份公司 | A vacuum tube solar module and electric energy complementary heat conduction oil heating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558129A (en) * | 2023-04-22 | 2023-08-08 | 昆明有色冶金设计研究院股份公司 | A vacuum tube solar module and electric energy complementary heat conduction oil heating device |
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Effective date of registration: 20260209 Address after: 650231 Yunnan Province Kunming City Wuhua District Xiaokang Avenue 399.NO Patentee after: KUNMING KEHUI ELECTRIC Co.,Ltd. Country or region after: China Address before: 650224 Yunnan Province Kunming City Xiaokang Avenue 399.NO Patentee before: KUNMING ENGINEERING & RESEARCH INSTITUTE OF NONFERROUS METALLURGY Co.,Ltd. Country or region before: China |
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