CN108862995B - Sludge drying constant temperature device - Google Patents
Sludge drying constant temperature device Download PDFInfo
- Publication number
- CN108862995B CN108862995B CN201810746980.8A CN201810746980A CN108862995B CN 108862995 B CN108862995 B CN 108862995B CN 201810746980 A CN201810746980 A CN 201810746980A CN 108862995 B CN108862995 B CN 108862995B
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- cooling tower
- heat dissipation
- drying room
- wall
- far away
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- 238000001035 drying Methods 0.000 title claims abstract description 52
- 239000010802 sludge Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 230000017525 heat dissipation Effects 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of sludge treatment, in particular to a sludge drying constant temperature device, which comprises a cooling tower, wherein a drying room is arranged on one side of the cooling tower, a water circulation system is arranged between the cooling tower and the drying room, a humidity controller is arranged above the outer wall of the drying room, storage bins are symmetrically arranged below the outer wall of the drying room, a pressure controller is arranged inside the storage bins, a temperature controller is arranged above the outer wall of the drying room, which is close to the storage bin on one side, the cooling tower comprises a barrel body, a heat dissipation cover is arranged at the top of the barrel body, a plurality of heat dissipation holes are arranged on the surface of the heat dissipation cover, a heat dissipation adjusting mechanism is embedded inside the heat dissipation holes, the temperature inside the drying room can be adjusted in time by the cooling tower, so that the temperature inside the drying room is constant, the water circulation system can ensure the water circulation transportation inside the cooling tower, the waste of water resources is avoided, and the enterprise cost is saved, the heat dissipation adjusting mechanism can adjust the discharge speed of the additional hot gas in the cooling tower.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a sludge drying constant-temperature device.
Background
The sludge treatment is a process of reducing, stabilizing and harmlessly treating sludge, the higher the sewage treatment degree is, the more sludge residues are generated to be treated, a general sewage treatment plant must be provided with sludge treatment facilities unless land treatment or sewage pond treatment is used for treating sewage, for a modern sewage treatment plant, the sludge treatment and disposal become the most complicated and expensive part of the operation of a sewage treatment system, and in the sludge processing process, the sludge needs to be dried and then can be utilized in the next step.
Physics is in the in-process of handling, need put into the baking house and carry out the dehydration stoving operation, because the inside temperature instability of baking house causes the stoving inhomogeneous very easily to influence the quality of sludge dewatering greatly, in addition, control the temperature through artifical exhaust and can make steam run off and cause the wasting of resources, increase the enterprise's energy simultaneously and consume, in view of this, we provide a sludge drying constant temperature equipment.
Disclosure of Invention
The invention aims to provide a sludge drying constant temperature device to solve the problems of unstable internal temperature of a drying room, resource waste caused by manual exhaust temperature control and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a sludge drying constant temperature device comprises a cooling tower, wherein a drying room is arranged on one side of the cooling tower, a water circulation system is arranged between the cooling tower and the drying room, a humidity controller is arranged above the outer wall of the drying room, storage bins are symmetrically arranged below the outer wall of the drying room, a pressure controller is arranged inside the storage bins, and a temperature controller is arranged above the outer wall of the drying room, which is close to the storage bin on one side;
the cooling tower includes the ladle body, the bottom of ladle body is provided with the base, the top of ladle body is provided with the cooling lid, a plurality of louvres have been seted up on the surface of cooling lid, the inside of louvre is inlayed and is equipped with heat dissipation adjustment mechanism, the top of cooling lid is inlayed and is equipped with the protection network, the top of protection network is provided with the motor, the bottom output of motor is connected with the pivot, the one end that the motor was kept away from in the pivot runs through the protection network and is connected with radiator fan, the one side outer wall of baking house near the cooling tower has the fixed plate in close welding.
Preferably, the top of the motor is fixedly connected with the fixing plate through a bolt.
Preferably, the water circulation system comprises a water circulation pump, the water circulation pump is connected with a first water inlet pipe and a first water outlet pipe in sequence from top to bottom near one end of the cooling tower, and the top of the end, far away from the cooling tower, of the water circulation pump is connected with a second water inlet pipe and a second water outlet pipe in sequence.
Preferably, the surface of the first water inlet pipe is provided with a water inlet valve.
Preferably, one end of the first water inlet pipe, which is far away from the circulating water pump, is connected with the bottom side wall of the cooling tower, and one end of the first water outlet pipe, which is far away from the circulating water pump, is connected with the bottom side wall of the cooling tower.
Preferably, one end of the second water inlet pipe, which is far away from the circulating water pump, penetrates through the outer wall of the drying room, and one end of the second water outlet pipe, which is far away from the circulating water pump, penetrates through the outer wall of the drying room.
Preferably, the bottom surface of the circulating water pump is padded with a skid-proof plate.
Preferably, the heat dissipation adjusting mechanism comprises a rotating plate arranged on the outer side of the heat dissipation hole and a supporting plate arranged on the inner side of the heat dissipation hole, a plurality of adjusting holes with different sizes are formed in the surface of the rotating plate, and a handle is tightly welded at the center of one side of the rotating plate, which is far away from the supporting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the cooling tower arranged in the drying room can timely adjust the temperature in the drying room, so that the temperature in the drying room is constant, and the sludge drying effect is greatly improved.
2. The water circulation system arranged in the cooling tower can ensure the water circulation conveying in the cooling tower, thereby saving water resources, avoiding the waste of water resources and saving enterprise cost.
3. The heat dissipation adjusting mechanism arranged in the cooling tower can adjust the discharge speed of the additional hot gas in the cooling tower, so that the cooling speed of the cooling tower is adjusted, and the cooling temperature of the cooling tower is easy to control.
In conclusion, the invention has the advantages of simple structure, convenient use, great practical value and convenient popularization.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic structural diagram of a motor and a heat dissipation fan according to the present invention;
FIG. 4 is a schematic view of the water circulation system according to the present invention;
fig. 5 is an exploded view of the heat dissipation adjustment mechanism of the present invention.
In the figure: 1. a cooling tower; 11. a barrel body; 12. a base; 2. a heat dissipation cover; 21. heat dissipation holes; 22. a protective net; 3. a motor; 31. a rotating shaft; 311. a heat radiation fan; 4. a water circulation system; 41. a water circulating pump; 42. a first water inlet pipe; 421. a water inlet valve; 43. a first water outlet pipe; 44. a second water inlet pipe; 45. a second water outlet pipe; 5. a drying room; 51. a storage bin; 511. A pressure controller; 52. a temperature controller; 53. a humidity controller; 54. a fixing plate; 6. a heat dissipation adjustment mechanism; 61. A rotating plate; 611. an adjustment hole; 612. a handle; 62. a fixing plate; 621. and (4) air holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a mud stoving constant temperature equipment, as shown in fig. 1 and 2, including cooling tower 1, one side of cooling tower 1 is provided with baking house 5, is provided with water circulating system 4 between cooling tower 1 and the baking house 5, and the outer wall top of baking house 5 is provided with humidity controller 53, and storing storehouse 51 has been seted up to the outer wall below symmetry of baking house 5, and the inside of storing storehouse 51 is provided with pressure controller 511, and the top that the outer wall of baking house 5 is close to one side storing storehouse 51 is provided with temperature controller 52.
In this embodiment, the humidity controller 53 is an ATC-700 microcomputer humidity controller manufactured by xiamen xinrui instruments ltd, and the supporting circuit between the humidity controller and the drying room 5 can also be provided by the manufacturer: 5ATC-700 microcomputer humidity controller can set humidity control values in two different time periods, such as day and night; has the functions of dehumidification, humidification and alarm.
In this embodiment, the pressure controller 511 is a wi95733 micro-pressure controller manufactured by east west science and technology limited, and the matching circuit between the pressure controller and the drying room 5 can be provided by the manufacturer: the wi95733 micro-pressure controller can be used for automatically controlling the pressure of a place where gas, liquid or steam and other media do not corrode a pressure sensing element, the set value of the controller is adjustable, the maximum measuring range is 0-25kPa, the adjustable range is 15 percent to 95 percent of the measuring range, and the product weight is about 1kg. and can be used for automatically controlling the pressure of the gas, liquid or steam and other media which do not corrode the pressure sensing element.
In this embodiment, the temperature controller 52 is an MHY-16697 temperature controller manufactured by beijing meihua cere science and technology ltd, and a matching circuit between the temperature controller and the drying room 5 and the water circulation system can be provided by a manufacturer: the MHY-16697 temperature controller can monitor the temperature of an industrial field, real-time data is displayed by the control panel, a user can set the upper limit value and the lower limit value of the temperature through keys on the control panel, the controller outputs the temperature through two pairs of normally open contacts, and the temperature rising and reducing equipment is automatically controlled to work according to the application environment of the field and the setting of the user.
It should be noted that the present invention relates to circuits and electronic components and modules, all of which are well known in the art, and that the present invention is not limited to software and process modifications as would be obvious to one skilled in the art.
As shown in fig. 1 and 2, the cooling tower 1 includes a barrel 11, a base 12 is disposed at the bottom of the barrel 11, a heat dissipation cover 2 is disposed at the top of the barrel 11, a plurality of heat dissipation holes 21 are disposed on the surface of the heat dissipation cover 2, a heat dissipation adjustment mechanism 6 is embedded inside the heat dissipation holes 21, and a protection net 22 is embedded at the top of the heat dissipation cover 2.
In this embodiment, the inner wall of the tub 11 is made of polyurethane foam, and the material quality is light, and the cooling tower 1 has good heat-insulating performance, and can ensure that the temperature inside the cooling tower is constant.
As shown in fig. 3, a motor 3 is arranged at the top of the protection net 22, a rotating shaft 31 is connected to an output end at the bottom of the motor 3, one end of the rotating shaft 31, which is far away from the motor 3, penetrates through the protection net 22 and is connected with a cooling fan 311, a fixing plate 54 is tightly welded to an outer wall of one side of the drying room 5, which is close to the cooling tower 1, and the top of the motor 3 is fixedly connected with the fixing plate 54 through a bolt.
As shown in fig. 4, the water circulation system 4 includes a water circulation pump 41, a bottom surface of the water circulation pump 41 is padded with an anti-slip plate, one end of the water circulation pump 41 close to the cooling tower 1 is connected with a first water inlet pipe 42 and a first water outlet pipe 43 in sequence, the top of one end of the water circulation pump 41 far away from the cooling tower 1 is connected with a second water inlet pipe 44 and a second water outlet pipe 45 in sequence, a water inlet valve 421 is arranged on the surface of the first water inlet pipe 42, one end of the first water inlet pipe 42 far away from the water circulation pump 41 is connected with the bottom side wall of the cooling tower 1, one end of the first water outlet pipe 43 far away from the water circulation pump 41 is connected with the bottom side wall of the cooling tower 1, one end of the second water inlet pipe 44 far away from the water circulation pump 41 penetrates through the outer wall of the drying room 5, and one end of the second water outlet pipe 45 far away from the water circulation pump 41 penetrates through the outer wall of the drying room 5.
It is worth noting that the first water inlet pipe 42, the first water outlet pipe 43, the second water inlet pipe 44 and the second water outlet pipe 45 are all made of galvanized pipes, the diameter of each galvanized pipe is 1 inch, the thickness of each pipe wall is 1.8mm, the materials are strong in corrosion resistance, and bacteria are not prone to breeding on the surfaces.
As shown in fig. 5, the heat dissipation adjustment mechanism 6 includes a rotation plate 61 disposed outside the heat dissipation hole 21 and a support plate 62 disposed inside the heat dissipation hole 21, wherein a plurality of adjustment holes 611 with different sizes are formed on the surface of the rotation plate 61, and a handle 612 is tightly welded to the center of one side of the rotation plate 61 away from the support plate 62.
In this embodiment, the rotating plate 61 is made of 304 stainless steel, and the 304 stainless steel has excellent stainless corrosion resistance and better intercrystalline corrosion resistance, and has a smooth surface, so that the friction force of the rotating plate 61 during rotation is small, and the service life of the rotating plate is greatly prolonged.
The working principle of the invention is as follows: when the device is used, the device is placed on a plane, the drying room 5 can be used for drying the sludge in the drying room, the humidity controller 52 is used for detecting the internal humidity and adjusting the internal humidity, the drying room 5 is discharged in a specified humidity range, the pressure controller 511 is used for detecting the internal pressure and adjusting the internal pressure, so that the drying room 5 is controlled to normally work in the specified pressure range, the temperature controller 52 is used for detecting the internal temperature, when the internal temperature is too high or too low, the temperature controller 52 is used for controlling the water circulation system to be opened and closed, so that the water flows between the drying room 5 and the cooling tower 1, the internal temperature of the drying room 5 is changed, the circulating water pump 41 can be used for controlling the circulating flow of water, so that the water is recycled, the waste is avoided, the motor 3 is electrified to work to drive the rotating shaft 31 to rotate, so that the cooling fan 311 rotates, the hot water in the cooling tower 1 is cooled, and the adjusting holes 611 and the air holes 621 in different sizes can be overlapped by rotating the handle 612, so that the loss speed of hot air is controlled, and the control of the cooling tower 1 is more flexible.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a mud stoving constant temperature equipment, includes cooling tower (1), one side of cooling tower (1) is provided with baking house (5), its characterized in that: a water circulation system (4) is arranged between the cooling tower (1) and the drying room (5), a humidity controller (53) is arranged above the outer wall of the drying room (5), storage bins (51) are symmetrically arranged below the outer wall of the drying room (5), a pressure controller (511) is arranged inside the storage bins (51), and a temperature controller (52) is arranged above the outer wall of the drying room (5) close to one side of the storage bin (51);
the cooling tower (1) comprises a barrel body (11), a base (12) is arranged at the bottom of the barrel body (11), a heat dissipation cover (2) is arranged at the top of the barrel body (11), a plurality of heat dissipation holes (21) are formed in the surface of the heat dissipation cover (2), a heat dissipation adjusting mechanism (6) is embedded in each heat dissipation hole (21), a protective screen (22) is embedded at the top of the heat dissipation cover (2), a motor (3) is arranged at the top of the protective screen (22), the bottom output end of the motor (3) is connected with a rotating shaft (31), one end, far away from the motor (3), of the rotating shaft (31) penetrates through the protective screen (22) and is connected with a heat dissipation fan (311), and a fixing plate (54) is tightly welded on the outer wall of one side, close to the cooling tower (1), of the drying room (5);
the water circulation system (4) comprises a water circulation pump (41), a first water inlet pipe (42) and a first water outlet pipe (43) are sequentially connected above and below one end, close to the cooling tower (1), of the water circulation pump (41), and a second water inlet pipe (44) and a second water outlet pipe (45) are sequentially connected to the top of one end, far away from the cooling tower (1), of the water circulation pump (41);
the heat dissipation adjusting mechanism (6) comprises a rotating plate (61) arranged on the outer side of the heat dissipation hole (21) and a supporting plate (62) arranged on the inner side of the heat dissipation hole (21), wherein a plurality of adjusting holes (611) with different sizes are formed in the surface of the rotating plate (61), and a handle (612) is tightly welded at the center of one side, far away from the supporting plate (62), of the rotating plate (61).
2. The sludge drying thermostat device according to claim 1, characterized in that: the top of the motor (3) is fixedly connected with the fixing plate (54) through a bolt.
3. The sludge drying thermostat device according to claim 1, characterized in that: the surface of the first water inlet pipe (42) is provided with a water inlet valve (421).
4. The sludge drying thermostat device according to claim 1, characterized in that: one end, far away from circulating water pump (41), of first inlet tube (42) is connected with the bottom lateral wall of cooling tower (1), one end, far away from circulating water pump (41), of first outlet pipe (43) is connected with the bottom lateral wall of cooling tower (1).
5. The sludge drying thermostat device according to claim 1, characterized in that: one end, far away from the circulating water pump (41), of the second water inlet pipe (44) penetrates through the outer wall of the drying room (5), and one end, far away from the circulating water pump (41), of the second water outlet pipe (45) penetrates through the outer wall of the drying room (5).
6. The sludge drying thermostat device according to claim 1, characterized in that: and the bottom surface of the circulating water pump (41) is padded with a skid-proof plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746980.8A CN108862995B (en) | 2018-07-09 | 2018-07-09 | Sludge drying constant temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746980.8A CN108862995B (en) | 2018-07-09 | 2018-07-09 | Sludge drying constant temperature device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108862995A CN108862995A (en) | 2018-11-23 |
| CN108862995B true CN108862995B (en) | 2021-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810746980.8A Expired - Fee Related CN108862995B (en) | 2018-07-09 | 2018-07-09 | Sludge drying constant temperature device |
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| Country | Link |
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| CN (1) | CN108862995B (en) |
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| CN115432091B (en) * | 2022-09-07 | 2024-05-24 | 江苏豪派车业科技有限公司 | Multifunctional intelligent temperature-sensing electric vehicle rear seat |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11137950A (en) * | 1997-09-11 | 1999-05-25 | Lindauer Dornier Gmbh | Treatment of waste gas of hot drying process and more particularly sludge drying process of sewer sludge drying device and equipment for execution this method |
| CN202562242U (en) * | 2012-04-12 | 2012-11-28 | 宜兴市一洲木业有限公司 | Energy-saving drying room and cooling water recycling system |
| CN203980833U (en) * | 2014-05-22 | 2014-12-03 | 长安大学 | A kind of blue charcoal drying equipment |
| CN105541073A (en) * | 2015-12-10 | 2016-05-04 | 伍顺洪 | Solid-gas double-effect dehydration method for sludge |
| CN205619712U (en) * | 2016-03-01 | 2016-10-05 | 广州市白云区永恒水产加工厂 | Heat pump dryer |
| CN107036407A (en) * | 2017-05-03 | 2017-08-11 | 苏宇贵 | Natural dehumidifying drying system |
| CN107285592A (en) * | 2017-07-05 | 2017-10-24 | 哈尔滨工业大学 | A kind of double-stage tandem type heat pump sludge drier |
| KR20180013335A (en) * | 2016-07-29 | 2018-02-07 | 주식회사 지산바이오 | Recycling drying apparatus |
-
2018
- 2018-07-09 CN CN201810746980.8A patent/CN108862995B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11137950A (en) * | 1997-09-11 | 1999-05-25 | Lindauer Dornier Gmbh | Treatment of waste gas of hot drying process and more particularly sludge drying process of sewer sludge drying device and equipment for execution this method |
| CN202562242U (en) * | 2012-04-12 | 2012-11-28 | 宜兴市一洲木业有限公司 | Energy-saving drying room and cooling water recycling system |
| CN203980833U (en) * | 2014-05-22 | 2014-12-03 | 长安大学 | A kind of blue charcoal drying equipment |
| CN105541073A (en) * | 2015-12-10 | 2016-05-04 | 伍顺洪 | Solid-gas double-effect dehydration method for sludge |
| CN205619712U (en) * | 2016-03-01 | 2016-10-05 | 广州市白云区永恒水产加工厂 | Heat pump dryer |
| KR20180013335A (en) * | 2016-07-29 | 2018-02-07 | 주식회사 지산바이오 | Recycling drying apparatus |
| CN107036407A (en) * | 2017-05-03 | 2017-08-11 | 苏宇贵 | Natural dehumidifying drying system |
| CN107285592A (en) * | 2017-07-05 | 2017-10-24 | 哈尔滨工业大学 | A kind of double-stage tandem type heat pump sludge drier |
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| CN108862995A (en) | 2018-11-23 |
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