WO2024029059A1 - 油分及び汚泥分回収タンク - Google Patents
油分及び汚泥分回収タンク Download PDFInfo
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- WO2024029059A1 WO2024029059A1 PCT/JP2022/030066 JP2022030066W WO2024029059A1 WO 2024029059 A1 WO2024029059 A1 WO 2024029059A1 JP 2022030066 W JP2022030066 W JP 2022030066W WO 2024029059 A1 WO2024029059 A1 WO 2024029059A1
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- WIPO (PCT)
- Prior art keywords
- oil
- tank
- sludge
- recovery
- lower tank
- Prior art date
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- Ceased
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/005—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion by thermal diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/042—Breaking emulsions by changing the temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/12—Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Definitions
- the present invention relates to an oil and sludge recovery tank that is installed on-site at a food factory or the like that discharges oil-containing wastewater.
- One method is to pool oil-containing wastewater into a large tank such as an oil-water separation tank, raw water tank, or adjustment tank, and periodically pump out a large amount of floating oil in the upper layer and adsorb it with an adsorbent.
- Another method is to use a pump to pump up the oil that has surfaced in an oil-water separation tank, and then store and float the oil in a large recovery tank (sometimes kept at around 50 degrees Celsius to prevent the floating oil from solidifying).
- the function of the recovery tank is simply to concentrate the oil and fat floating in the oil-water separation tank.
- Wastewater oil, a biomass resource discharged from food factories, etc. amounts to more than 300,000 tons annually across Japan, and the amount is even more enormous when the entire world is taken into account.
- systems have been developed in which, for example, unique biomass fuel is produced from wastewater oils and fats that would otherwise have been disposed of as industrial waste as sludge, and biomass power generation is performed using a diesel generator.
- biomass power generation system we can reduce CO2, recycle, and purify water.
- the present invention has been made in view of the above-mentioned problems, and is installed on-site at food factories etc. that discharge oil-containing wastewater, and more efficiently removes oil and sludge from the upper layer of an oil-water separation tank that pools oil-containing wastewater.
- the purpose is to provide an oil and sludge recovery tank that can recover oil and sludge.
- Another object of the present invention is to provide an oil recovery system using this oil and sludge recovery tank.
- the present invention provides an oil and sludge recovery tank for temporarily storing the upper layer of an oil-water separation tank and recovering oil and sludge, wherein the upper layer of the oil-water separation tank is an upper tank that flows in through an inflow pipe; at least one lower tank that has a smaller volume than the upper tank and is provided continuously on the bottom of the upper tank; and the lower tank. and a lower tank heating means for heating the lower tank.
- the upper tank includes an inflow valve that controls the inflow amount of the upper layer sent through the inflow pipe, and returns the stored content in the upper tank to the oil-water separation tank.
- a discharge valve for controlling the amount of discharge discharged into the return pipe, and a lid portion on the upper surface of the upper tank into which a refining transfer device for suctioning and recovering oil in the oil and sludge collection tank can be inserted. is preferably formed.
- the lower tank heating means is a silicone rubber heater provided planarly on the wall surface of the square columnar lower tank, and the surface side of the silicone rubber heater is Preferably, it is covered with a thermally insulating material.
- the lower tank includes a second discharge valve that controls the amount of discharge to the return pipe that returns the stored content on the bottom side of the lower tank to the oil-water separation tank;
- a manual valve for manually discharging the accumulated content on the bottom side of the lower tank, a lower tank oil detection sensor for detecting oil on the bottom side of the lower tank, and a temperature change in the lower tank. It is preferable to include a lower tank temperature sensor.
- the oil and sludge recovery tank further operates the second discharge valve when the lower tank oil detection sensor detects oil on the bottom side of the lower tank. Upon closing, the operation of the lower tank heating means is started, and thereafter, when the temperature detected by the lower tank temperature sensor reaches a predetermined temperature, the operation of the lower tank heating means is controlled to be stopped. It is preferable to include a control section.
- the oil and sludge recovery tank further includes an upper tank heating means for heating the upper tank, and an upper tank temperature for detecting the temperature inside the upper tank.
- control unit closes the inflow valve and the discharge valve and opens the second discharge valve when oil is detected in the second oil detection sensor of the upper tank. Preferably, control is performed.
- the ratio of the capacities of the upper tank and the lower tank is preferably within the range of 3:1 to 4:1.
- the present invention has a return pipe that returns from the oil supply pipe that sends the upper layer from the oil-water separation tank to the oil and fat separation tank via the oil and sludge collection tank according to claim 1,
- the oil recovery system is installed in the oil supply piping and corresponds to the amount of floating oil and fat in the oil and sludge recovery tanks.
- the apparatus is characterized in that it includes a flow path switching section that switches paths for sending from the oil/water separation tank to the plurality of oil and sludge recovery tanks.
- the present invention is an oil and sludge recovery tank for temporarily storing the upper layer of an oil-water separation tank and recovering oil and sludge, the upper tank into which the upper layer of the oil-water separation tank flows through an inflow pipe. and at least one or more lower tanks that have a smaller volume than the upper tank and are provided continuously on the bottom of the upper tank, and a lower tank heating section that heats the lower tank. Be prepared.
- the oil and sludge recovery tank according to the present invention can more efficiently recover oil and sludge from the oil-water separation tank that pools oil-containing wastewater.
- FIG. 1(a) is a plan view of an oil and sludge recovery tank according to an embodiment of the present invention
- FIG. 1(b) is a front view of the same oil and sludge recovery tank
- FIG. 1(c) is a plan view of an oil and sludge recovery tank according to an embodiment of the invention. It is a right side view of a sludge collection tank.
- FIG. 2(a) is a functional explanatory diagram of the oil and sludge recovery tank
- FIG. 2(b) is an enlarged view taken along line E.
- FIG. 3 shows a functional block diagram of the oil and sludge recovery tank.
- FIG. 4 shows a piping route diagram of an oil recovery system including the same oil and sludge recovery tank.
- FIGS. 5A and 5B are diagrams showing the transition state of the oil and sludge collected in the oil and sludge recovery tank.
- FIGS. 6A and 6B are diagrams showing the transition state of the oil and sludge collected in the oil and sludge recovery tank.
- FIGS. 7(a) and 7(b) are diagrams showing the transition state of the oil and sludge collected in the oil and sludge recovery tank.
- FIG. 8 is a flowchart showing the operating procedure of the oil recovery system.
- This oil and sludge recovery tank temporarily pumps out a large amount of the upper layer (floated oil and fat) that is floating in the oil-water separation tank (raw water tank, adjustment tank) that pools manufacturing wastewater discharged from food factories, etc. This is a storage tank.
- this oil and sludge recovery tank efficiently recovers oil and sludge from the pumped-out floating oil and fat to reuse energy, and is suitable for use in food factories that discharge manufacturing wastewater. It is assumed that it will be installed on-site.
- the recovery tank T includes an upper tank TA into which the floating oil (upper layer) of an oil-water separation tank that temporarily stores oil-containing wastewater flows through an inflow pipe P1, and an upper tank TA.
- the lower tank TB is arranged at the center of one end of the bottom surface of the upper tank TA, and the recovery tank T is approximately T-shaped when viewed from the front. It has a shape.
- the recovery tank T is equipped with a column 2 (for example, 600 to 650 mm in height) extending vertically to support the upper tank TA in a hollow state, and the column 2 is the same height as the lower tank TB or the lower tank TB. Becomes higher.
- the lower tank TB is installed on the ground.
- the phrase "continuously provided” means that an opening is provided at the bottom of the upper tank TA, and this opening corresponds to the upper surface of the lower tank TB, and the stored content of the upper tank TA is directly transferred to the lower tank. It flows into tank TB.
- the upper tank TA in this embodiment has a substantially rectangular parallelepiped shape with a width of 1,400 mm, a height of 400 mm, and a depth of 1,400 mm, with a gentle slope downward toward the lower tank TB on the bottom surface.
- the shapes of the upper tank TA and the lower tank TB are not limited to the shapes shown in this figure, and may be other shapes such as a cylindrical shape as long as they have the same function.
- the upper tank TA has a capacity of 784L
- the lower tank TB has a capacity of 216L
- the upper tank 10 + lower tank 20 has a capacity of 1000L.
- the capacity ratio of the upper tank TA and the lower tank TB is preferably in the range of 3:1 to 4:1.
- the upper tank TA includes an inflow valve 11 that controls the inflow amount of the upper layer (floated oil and fat) pumped from the oil-water separation tank via the inflow pipe P1, and a It has a discharge valve 12 that controls the discharge amount discharged to the return pipe P2 that returns the stored water (inflow water) to the oil-water separation tank.
- the inflow valve 11 and the discharge valve 12 are electrically operated valves, and the open/close states of the valves are controlled in response to command signals from a control section, which will be described later.
- a lid portion 13 is formed on the upper surface of the upper tank TA into which a refining transfer device for sucking and recovering the oil in the recovery tank T can be inserted.
- the shape of the lid portion 13 is square in this figure, it may be of other shapes such as a circle.
- the upper tank TA includes an upper tank heating section H1 such as a plug heater, an upper tank temperature sensor TS1 that detects the temperature inside the upper tank TA, and an upper tank temperature sensor TS1 that detects the oil content on the bottom side of the upper tank TA.
- an upper tank oil detection sensor OS1 that detects oil at a predetermined height (approximately 10 to 15 cm height) from the bottom of the upper tank TA;
- An upper tank bottom heating section H1' silicon rubber heater
- the upper tank temperature sensor TS1 is a temperature sensor that measures the temperature of the content stored in the upper tank by utilizing, for example, the fact that the electrical resistance of a semiconductor or the like changes with temperature.
- the oil detection sensor OS1 is a sensor that detects the presence of oil at a predetermined position (for example, on the bottom side) of the upper tank TA, and uses an optical fiber, for example, to detect the presence of oil that propagates to the outside or is absorbed by the oil. detects changes in output due to attenuation of propagating light.
- the lower tank TB includes a second discharge valve (electric valve) 21 that controls the amount of discharge to the second return pipe P3 that returns the stored content (inflow water) in the lower tank TB to the oil-water separation tank, and a bottom valve. It has a manual valve 22 for discharging the stored water on the side (mainly adjusting the amount of stored water, collecting sludge, etc.).
- the manual valves 22 are two manual ball valves, for example, one for adjusting the amount of stored water and one for recovering sludge.
- a lower tank heating section H2 for heating is provided on the wall of the lower tank TB.
- the lower tank heating section H2 is a silicon rubber heater (three-phase 200V) in the form of a surface, for example, a nickel alloy sandwiched between silicone rubber sheets, which is provided on the wall of the cubic lower tank TB.
- the lower tank TB is provided planarly along five sides and the bottom.
- an SUS (stainless steel) waterproof cover 2a is provided on the surface side of the lower tank heating section H2 using packing and screws, and a heat insulating material 2b is installed inside the cover. It has a structure that encloses it. In this way, by enclosing the heat insulating material 2b, the temperature of the lower tank TB can be maintained in the range of about 65 to 70 degrees for a long time, and as a result, the oil content, sludge content, and It can promote efficient separation of water.
- the heat insulating material 2b include a foam heat insulating material and a fiber heat insulating material, and other latent heat storage materials (PCM: Phase Change Material) may also be filled.
- the latent heat storage material PCM When using the latent heat storage material PCM, it is preferable to use a heat storage material whose phase changes mainly within a range of about 70°C. With this, the latent heat storage material exchanges heat with the stored amount that has flowed into the lower tank TB, and the lower tank TB can be maintained at around 70° C. for a long period of time.
- the lower tank TB further includes a lower tank oil detection sensor OS2 that detects oil on the bottom side of the lower tank TB, and a lower tank temperature sensor TS2 that detects temperature changes in the lower tank TB. .
- ECU Electronic Control Unit
- control panel 3 may be integrated with the recovery tank T, or may be separate from the recovery tank T.
- the ECU 31 controls the lower tank heating unit 23 to start heating operation when the floating oil in the lower tank TB reaches the position of the lower tank oil detection sensor OS2 on the bottom side. Further, when the temperature detected by the lower tank temperature sensor TS2 reaches a predetermined temperature (65-70 degrees), the heating operation of the lower tank heating section 23 is controlled to be stopped. This controls the lower tank heating section H2 to repeat on/off operation. Thereafter, the ECU 31 controls the second discharge valve 21 to open. With this, only moisture from the floating oil and fat in the lower tank TB can be efficiently returned to the oil-water separation tank.
- the ECU 31 includes a control section 31a, a predetermined amount calculation section 31b, a signal transmission section 31c, and an input section 31d.
- the control unit 31a controls the reception of the oil detection signal from the lower tank oil detection sensor OS2 in order to heat the floating oil filled in the lower tank TB and efficiently separate it into oil, sludge, and water. If the oil detection signal is received, a control signal for starting operation is transmitted to the lower tank heating section H2 via the signal transmitting section 31g.
- the predetermined amount calculation unit 31b calculates various parameter information (the capacity of the upper tank TA, the capacity of the lower tank TB, the heating capacity of the lower tank heating section H2, the inflow amount from the inflow valve 11, the discharge valve 12 and the second discharge A predetermined value is calculated based on the discharge amount from the valve 21, the temperature of TS1 and TS2, and the oil detection of OS1 and OS2.
- the signal transmitting unit 31c transmits a heating operation on/off control signal to the upper tank heating unit H1 and the lower tank heating unit H2. Further, a valve opening adjustment signal is transmitted to the inflow valve 11, the discharge valve 12, and the second discharge valve 21.
- the lower tank heating section H2 includes a receiving section H21 and a control section H22, and the receiving section H21 receives a control signal transmitted from the signal transmitting section 31c, and performs a heating operation based on the received control signal. control on/off.
- the second discharge valve 21 includes a receiving section 21a and a control section 21b, and the receiving section 21a receives a control signal transmitted from a signal transmitting section 26c, and adjusts the valve opening degree based on the received control signal. .
- the input section 31d provided in the control panel 3 is an operation setting device, a remote control, etc., and allows input of various parameter information necessary for calculation of a predetermined amount in the predetermined amount calculation section 31b, and input setting of a predetermined amount.
- the ECU 26 may be controlled to start the heating operation of the upper tank heating section H1 when oil is detected by the upper tank oil detection sensor OS1. This makes it possible to efficiently separate the oil and water content of the floating oil and fat in the upper tank TA.
- This oil recovery system S includes one oil/water separation tank 4 and a plurality of (here, two) recovery tanks T1 and T2.
- the oil/water separator 4 is also sometimes called a grease trap, oil trap, grease interceptor, etc., and its basic structure is generally a natural separation flotation method that utilizes the difference in specific gravity between water and oil.
- the piping of the oil recovery system S includes an oil supply pipe P1 (oil supply route (corresponding to arrow A)), circulation piping P2 (return route (corresponding to arrow B)), which returns the inflow water stored in the upper tank TA of recovery tanks T1 and T2 to the oil-water separation tank 4, recovery tanks T1 and T2
- a second circulation pipe P3 (second return path (corresponding to arrow C)) is connected to the circulation pipe P2 in a T-shape in order to return the inflow water stored in the lower tank TB to the oil-water separation tank 4.
- the oil and sludge in the recovery tanks T1 and T2 can be efficiently recovered, and the inflow water can be circulated to the oil-water separation tank 4 and returned.
- a pump is provided in the oil supply pipe P1 and the circulation pipe P2.
- a flow path switching unit 41 that switches the route to the recovery tank T for sending floating oil from the oil/water separation tank 4 when oil is detected in the upper tank second oil detection sensor OS1a.
- a three-way valve is provided as the flow path switching section 41, and the inflow path from the oil/water separator 4 to the recovery tanks T1 and T2 is branched into two.
- the control unit 31a sends a control signal to the three-way valve according to the detection value of the second oil detection sensor OS1a in the upper tank, and automatically switches the valve direction, thereby changing the path of the floating oil to the recovery tank T1 or the recovery tank. Switch to T2.
- multiple recovery tanks T can be installed depending on the scale, and even when one recovery tank T is working on recycling oil and sludge, floating oil and fat from the oil-water separation tank 4 can be continuously transferred to another recovery tank T. It can flow in.
- the control unit 31a switches the flow path from the oil-water separation tank 4 from the recovery tank T1 to T2 using the flow path switching unit 41. .
- this flow path switching does not necessarily need to be performed automatically, and may be performed manually.
- the inside of the recovery tank T is The floating oil and water are separated in order from the upper layer with the lightest specific gravity. Note that the inflow may be heated to about 50 degrees using the upper tank heating section H1.
- This discharge causes the floating oil to fall and accumulate, but when the floating oil falls to the bottom side of the lower tank TB, the oil is detected by the lower tank oil sensor OS2. Then, the control unit 31a performs control to automatically close the second discharge valve 21 as described above. Note that the control for closing the second discharge valve 21 may be performed manually by visually observing the oil content in the lower tank TB.
- the control unit 31a closes the second discharge valve 23 and stores the oil in the lower tank TB.
- the floating oil and fat is heated to about 70 degrees using the lower tank heating section H2.
- the upper layer is separated into an oil layer, a sludge layer, and a water layer in descending order of specific gravity.
- the heating section H1' may also be in the on state. Alternatively, the amount of stored water may be adjusted using the manual valve 22 of the lower tank TB.
- This refining transfer device 5 is a waste solid content, waste oil impurities, waste water layer separator shown in, for example, Patent No. 5452814, and is a waste solid content, waste oil impurities, waste water layer separator, etc. contained in waste oil. can be further selectively separated and removed, and only the waste oil that can be used as a petroleum alternative fuel can be transferred to another container for transportation and storage.
- the specific separation method involves keeping the lower tank TB at approximately 70°C, completely dissolving the lard in the lower tank TB, separating it into an oil layer, a sludge layer, and a wastewater layer, into which the purified and transferred Add container 5.
- the refining transfer device 5 is in a floating state because it has a floating plate, and when the waste oil transport motor is turned on, the motor is driven and removes waste solids, waste oil impurities, and oil between the waste water layer separator and the floating plate. While the waste solids such as dust and suspended matter in the sludge layer are removed by the waste solids remover, the sludge passes through the waste oil suction pipe from the suction port, and then flows into the storage container from the waste oil discharge pipe and is collected.
- the recovered sludge is basically used for biogasification (methane power generation, clean hydrogen).
- the first step in turning this unused sludge into a resource is to turn it into biogas (methane power generation, green hydrogen) at a biogas plant that performs methane fermentation.
- biogas methane power generation, green hydrogen
- business food waste including residual sludge
- control unit 31a of the recovery tank T1 performs control to turn off the upper tank heating unit H1 (plug heater) (S82) and close the inflow valve 11 and discharge valve 12 of the recovery tank T1 (S83). ). Then, the control unit 31a of the recovery tank T1 performs control to open the second discharge valve 21 (S84), and the floating oil and fat falls and is stored by this drainage process.
- control unit 31a detects whether or not there is an oil detection reaction in the lower tank oil detection sensor OS2 (S85), and if oil is detected (Yes in S85), the second discharge valve 21 Controls closing. At this time, the amount of water stored in the recovery tank T may be adjusted using a manual valve.
- the control unit 31a of the recovery tank T1 controls the lower tank heating unit (silicon rubber heater (H2)) to operate (S86). At this time, the detection from the upper tank oil detection sensor OS1 If the storage amount is greater than or equal to the plug heater H1 based on a signal or the like, the plug heater H1 is also turned on.
- the lower tank heating unit silicon rubber heater (H2)
- control unit 31a detects whether the liquid temperature is 70°C using the lower tank oil detection sensor TS2, and if it reaches 70°C or higher (Yes in S87), turns off the silicon rubber heater H2. (S88). Finally, as described above, the refining transfer device 5 is put into the recovery tank T1, performs rough purification work such as extraction and recovery of oil and sludge (S89), and performs a series of operations in the recovery tank T1. Complete.
- the present invention is an oil and sludge recovery tank T that temporarily stores the upper layer of the oil-water separation tank and recovers the oil and sludge, and the upper layer of the oil-water separation tank is connected to the inflow pipe.
- an upper tank TA flowing into the upper tank TA at least one or more lower tanks TB having a smaller volume than the upper tank TA and provided continuously on the bottom of the upper tank TA; and a lower tank TB. and a lower tank heating section H2 that heats the lower tank.
- This configuration saves energy and space and is installed on-site at food factories that discharge oil-containing wastewater, making it possible to more efficiently extract, recover, and recycle oil and sludge from the oil-water separation tank that pools oil-containing wastewater. .
- the recovery tank T has a function of consolidating the floating oils and fats pumped up from the oil/water separation tank 4 and the like (50° C. heat retention), like the conventional tank.
- the floating oils and fats collected in the recovery tank T are dropped into the lower tank TB provided below the recovery tank T, and the lower tank TB is heated with a silicone rubber heater H2, etc.
- the temperature can be kept at 65-70°C, and after separating oil, sludge, and water, the oil can be recovered while being cleaned.
- the sludge can be extracted from the floating oil and fat through the manual valve 22 provided in the lower tank TB and recovered efficiently. Furthermore, the inflow water that has flowed into the recovery tank T can be directly returned to the oil-water separation tank 4 via the return pipes P2 and P3. Additionally, in recent years, unlike restaurants, some food factories generate several tons of floating oil and fat every day. , we can provide on-site resource recovery services. That is, the recovery tank T according to the present invention can be utilized for realizing a decarbonized society.
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Removal Of Floating Material (AREA)
Abstract
Description
本発明の実施の形態に係る油分及び汚泥分回収タンクについて図1乃至図8を参照して説明する。この油分及び汚泥分回収タンクは、食品工場などから排出される製造廃水をプールする油水分離槽(原水槽、調整槽)などに多量に浮いている上層分(浮上油脂)を汲み出して一時的に貯留するタンクである。また、この油分及び汚泥分回収タンクは、汲み出された浮上油脂から効率的に油分及び汚泥分の回収をして、エネルギーの再利用を図るものであり、製造廃水を排出する食品工場などにオンサイトで設置されることを前提とする。
TA 上槽タンク
TB 下槽タンク
H1 上槽タンク加温部(プラグヒータ)
H1´ 上槽タンク底面加温部(シリコンラバーヒータ)
OS1 上槽タンク油検知センサ
OS1a 上槽タンク第二油検知センサ
TS1 上槽タンク温度センサ
H2 下槽タンク加温部(シリコンラバーヒータ)
OS2 下槽タンク油検知センサ
TS2 下槽タンク温度センサ
2a SUS(ステンレス鋼)防水カバー
2b 断熱材
11 流入弁
12 排出弁
13 蓋部
21 第二排出弁
22 手動バルブ
31a 制御部
41 流路切替部
Claims (9)
- 油水分離槽の上層分を一時的に貯留し、油分及び汚泥分を回収する油分及び汚泥分回収タンクであって、
前記油水分離槽の上層分が、流入配管を介して流入する上槽タンクと、
前記上槽タンクより小さい容積を有し、且つ前記上槽タンクの底面に連続して設けられた少なくとも1以上の下槽タンクと、
前記下槽タンクを加温する下槽タンク加温手段と、を備えることを特徴とする油分及び汚泥分回収タンク。 - 前記上槽タンクは、
前記流入配管を介して送られる上層分の流入量を制御する流入弁と、
当該上槽タンク内の貯留分を前記油水分離槽に戻す戻し配管に排出される排出量を制御する排出弁と、を備え、
前記上槽タンクの上面には、前記油分及び汚泥分回収タンク内の油分を吸引回収する精製移送器が投入可能な蓋部が形成される、ことを特徴とする請求項1記載の油分及び汚泥分回収タンク。 - 前記下槽タンク加温手段は、四角柱形状の前記下槽タンクの壁面に面状に設けられたシリコンラバーヒータであって、
当該シリコンラバーヒータの表面側は断熱材で被覆される、ことを特徴とする請求項1又は2記載の油分及び汚泥分回収タンク。 - 前記下槽タンクは、
当該下槽タンクの底面側の貯留分を前記油水分離槽に戻す戻し配管に排出される排出量を制御する第二排出弁と、
前記下槽タンクの底面側の貯留分を手動で排出するための手動バルブと、
前記下槽タンクの底面側の油分を検知する下槽タンク油検知センサと、
前記下槽タンクの温度変化を検知する下槽タンク温度センサと、を備えることを特徴とする請求項1又は2記載の油分及び汚泥分回収タンク。 - 前記油分及び汚泥分回収タンクは、さらに、
前記下槽タンク油検知センサにおいて、前記下槽タンクの底面側における油分が検知されると、前記第二排出弁を閉じると共に前記下槽タンク加温手段の動作を開始し、その後、前記下槽タンク温度センサにより検知された温度が所定温度に達すると前記下槽タンク加温手段の動作を停止するように制御する制御部を備える、ことを特徴とする請求項4記載の油分及び汚泥分回収タンク。 - 前記油分及び汚泥分回収タンクは、さらに、
前記上槽タンクを加温する上槽タンク加温手段と、
前記上槽タンク内の温度を検知する上槽タンク温度センサと、
前記上槽タンク内の底面側の油分を検知する上槽タンク油検知センサと、
前記上槽タンク内の底面から所定高さの油分を検知する上槽タンク第二油検知センサと、
前記上層タンクの底面を加温する上層タンク底面加温手段と、を備え、
前記制御部は、さらに、前記下槽タンク油検知センサにおいて、前記下槽タンクの底面側における油分が検知されると共に、前記上槽タンク油検知センサにおいて前記上槽タンクの底面側における油分が検知されると、前記上槽タンク底面加温手段の動作を開始する、ことを特徴とする請求項5記載の油分及び汚泥分回収タンク。 - 前記制御部は、前記上槽タンク第二油検知センサにおいて油分が検知される場合に、前記流入弁及び前記排出弁を閉じると共に、前記第二排出弁を開く制御を行う、ことを特徴とする請求項6記載の油分及び汚泥分回収タンク。
- 前記上槽タンクと前記下槽タンクの容量の比率は3:1~4:1の範囲内である、ことを特徴とする請求項1記載の油分及び汚泥分回収タンク。
- 油水分離槽から上層分を送る送油配管から前記請求項1記載の油分及び汚泥分回収タンクを介して前記油脂分離槽へ戻る戻り配管を有し、1の油水分離槽から複数の当該油分及び汚泥分回収タンクを用いて油分回収運転を行う油分回収システムにおいて、
前記給油配管に設置され、前記油分及び汚泥分回収タンク内の浮上油脂の量に応じて、前記油水分離槽から前記複数の油分及び汚泥分回収タンクへ送る経路を切替える流路切替部を備える、ことを特徴とする油分回収システム。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2022/030066 WO2024029059A1 (ja) | 2022-08-05 | 2022-08-05 | 油分及び汚泥分回収タンク |
| PH1/2023/553210A PH12023553210A1 (en) | 2022-08-05 | 2022-08-05 | Oil and sludge collecting tank |
| JP2022548094A JP7255941B1 (ja) | 2022-08-05 | 2022-08-05 | 油分及び汚泥分回収タンク |
| CN202280036781.2A CN117858746A (zh) | 2022-08-05 | 2022-08-05 | 油分及污泥成分回收罐 |
| US18/867,611 US20250353772A1 (en) | 2022-08-05 | 2022-08-05 | Oil component and sludge component collection tank |
| EP22954047.1A EP4512501A4 (en) | 2022-08-05 | 2022-08-05 | OIL COMPONENT AND SLUDGE COMPONENT COLLECTION TANK |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2022/030066 WO2024029059A1 (ja) | 2022-08-05 | 2022-08-05 | 油分及び汚泥分回収タンク |
Publications (1)
| Publication Number | Publication Date |
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| WO2024029059A1 true WO2024029059A1 (ja) | 2024-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2022/030066 Ceased WO2024029059A1 (ja) | 2022-08-05 | 2022-08-05 | 油分及び汚泥分回収タンク |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20250353772A1 (ja) |
| EP (1) | EP4512501A4 (ja) |
| JP (1) | JP7255941B1 (ja) |
| CN (1) | CN117858746A (ja) |
| PH (1) | PH12023553210A1 (ja) |
| WO (1) | WO2024029059A1 (ja) |
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| KR102757165B1 (ko) * | 2023-12-08 | 2025-01-21 | 주식회사 금성엔지니어링 | 절연유 유출 방지 보관대 |
| WO2026048053A1 (ja) * | 2024-09-02 | 2026-03-05 | 株式会社ティービーエム | 油分及び汚泥分回収タンク |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5141657Y2 (ja) * | 1973-01-20 | 1976-10-09 | ||
| JPS5246734B2 (ja) * | 1975-08-11 | 1977-11-28 | ||
| JPS5537204Y2 (ja) * | 1976-09-24 | 1980-09-01 | ||
| JP2006007092A (ja) | 2004-06-25 | 2006-01-12 | Tokyo Biomachine Kk | 含油廃水の移送装置及び浄化装置 |
| JP2007236818A (ja) * | 2006-03-10 | 2007-09-20 | Ustech Corp | 保温浴槽 |
| JP5452814B2 (ja) | 2010-06-01 | 2014-03-26 | 株式会社ティービーエム | 廃固形分、廃油夾雑物、廃水含有廃油から廃油の選択分離、移送装置 |
| CN105413243A (zh) * | 2015-12-25 | 2016-03-23 | 倪文谦 | 续水收油器 |
| JP3216173U (ja) | 2018-02-28 | 2018-05-17 | 株式会社ティービーエム | 含油廃水からの油分離・管理装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0111025Y1 (en) * | 1994-11-22 | 1997-12-22 | Posco | Apparatus for treating oil containing waste-water |
| CA3126543C (en) * | 2019-01-16 | 2024-05-21 | Eco Clarity Ltd. | Fats, oil and grease collection |
| CN210097008U (zh) * | 2019-05-24 | 2020-02-21 | 深圳市爱特爱全优润滑技术工程有限公司 | 一种油箱自动排水装置 |
| WO2022084818A1 (en) * | 2020-10-21 | 2022-04-28 | Eco Clarity Ltd. | A fog (fats, oil, or grease) separator apparatus |
-
2022
- 2022-08-05 US US18/867,611 patent/US20250353772A1/en active Pending
- 2022-08-05 EP EP22954047.1A patent/EP4512501A4/en active Pending
- 2022-08-05 WO PCT/JP2022/030066 patent/WO2024029059A1/ja not_active Ceased
- 2022-08-05 CN CN202280036781.2A patent/CN117858746A/zh active Pending
- 2022-08-05 PH PH1/2023/553210A patent/PH12023553210A1/en unknown
- 2022-08-05 JP JP2022548094A patent/JP7255941B1/ja active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5141657Y2 (ja) * | 1973-01-20 | 1976-10-09 | ||
| JPS5246734B2 (ja) * | 1975-08-11 | 1977-11-28 | ||
| JPS5537204Y2 (ja) * | 1976-09-24 | 1980-09-01 | ||
| JP2006007092A (ja) | 2004-06-25 | 2006-01-12 | Tokyo Biomachine Kk | 含油廃水の移送装置及び浄化装置 |
| JP2007236818A (ja) * | 2006-03-10 | 2007-09-20 | Ustech Corp | 保温浴槽 |
| JP5452814B2 (ja) | 2010-06-01 | 2014-03-26 | 株式会社ティービーエム | 廃固形分、廃油夾雑物、廃水含有廃油から廃油の選択分離、移送装置 |
| CN105413243A (zh) * | 2015-12-25 | 2016-03-23 | 倪文谦 | 续水收油器 |
| JP3216173U (ja) | 2018-02-28 | 2018-05-17 | 株式会社ティービーエム | 含油廃水からの油分離・管理装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4512501A4 |
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| Publication number | Publication date |
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| JP7255941B1 (ja) | 2023-04-11 |
| CN117858746A (zh) | 2024-04-09 |
| JPWO2024029059A1 (ja) | 2024-02-08 |
| EP4512501A1 (en) | 2025-02-26 |
| PH12023553210A1 (en) | 2024-02-19 |
| EP4512501A4 (en) | 2025-08-20 |
| US20250353772A1 (en) | 2025-11-20 |
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