CN109179842B - Slaughterhouse process water regeneration system based on solar energy and air source heat pump - Google Patents
Slaughterhouse process water regeneration system based on solar energy and air source heat pump Download PDFInfo
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- CN109179842B CN109179842B CN201811275163.5A CN201811275163A CN109179842B CN 109179842 B CN109179842 B CN 109179842B CN 201811275163 A CN201811275163 A CN 201811275163A CN 109179842 B CN109179842 B CN 109179842B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 81
- 230000008569 process Effects 0.000 title claims abstract description 73
- 230000008929 regeneration Effects 0.000 title claims abstract description 16
- 238000011069 regeneration method Methods 0.000 title claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 35
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 33
- 239000004576 sand Substances 0.000 claims description 17
- 238000004321 preservation Methods 0.000 claims description 2
- 238000005188 flotation Methods 0.000 claims 1
- 238000009835 boiling Methods 0.000 abstract description 8
- 239000008399 tap water Substances 0.000 abstract description 4
- 235000020679 tap water Nutrition 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 17
- 238000003307 slaughter Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
-
- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The application discloses a slaughterhouse process water regeneration system based on solar energy and an air source heat pump, wherein sewage is pretreated by a grid, a grit chamber, a sedimentation oil separation tank and an air floatation oil removal tank; then, by utilizing the principle of low-pressure boiling, the solution is heated by a solar heat collector and enters a low-pressure boiler to be boiled, separated water vapor is condensed on the surface of a fin heat exchanger, boiling and condensing water is pumped out by a self-priming pump and enters a water storage tank through an active carbon adsorption device, and the sewage treatment process is completed. The water in the water storage tank is heated to the temperature required by the process through the solar heat collector and the air source heat pump, and the process water preparation process is completed. The application combines sewage treatment and process water preparation, thereby reducing sewage discharge and reducing the use amount of city tap water. Most of the energy sources required in the process of regenerating the hot water come from solar energy, so that the consumption of steam and electric energy is greatly reduced, and the energy-saving effect is great.
Description
Technical Field
The application relates to a slaughterhouse process water regeneration system based on solar energy and an air source heat pump.
Background
With the improvement of the living standard of people, the demand for meat is greatly increased, the rapid development of slaughter and meat processing industry is driven, and a large amount of slaughter sewage is brought. Slaughter wastewater discharge amounts to about 6% of national industrial wastewater discharge and there is a growing trend. At the same time, slaughterhouses also require large amounts of process hot water, for example: 83 ℃ disinfection hot water and 60 ℃ scalding hot water. In addition, a large amount of hot water is required for the purposes of flushing the pen, processing the staple food, and showering by staff. Therefore, the slaughter sewage is regenerated into process hot water, so that the sewage discharge is reduced, the use amount of city tap water is reduced, and the process hot water has economic and environmental benefits.
In the existing slaughterhouse sewage treatment technology, biological treatment methods are mostly adopted and are divided into an aerobic biological treatment method and an anaerobic biological treatment method. For example: the Chinese patent publication No. CN104310714A, the patent with publication No. 2015-01-28 entitled "System for treating cultivation and slaughter wastewater and Process thereof" adopts anaerobic method to treat wastewater, the patent with publication No. CN102432138A, and publication No. 2012-05-02 entitled "Sewage treatment device for slaughter house" uses aerobic biological treatment method and anaerobic biological treatment method in combination.
The slaughterhouse process hot water is heated by a boiler or by a high-temperature heat pump. The former needs to consume coal or fuel oil, so as to pollute the environment; the latter requires a large consumption of electric energy, which is uneconomical and requires an auxiliary heating with renewable energy sources such as solar energy.
Although the sewage treatment device can obviously improve the quality of the effluent, the sewage treatment device often contains some organic matters and inorganic matters (including toxic heavy metals), cannot be used as process water, and cannot prepare process hot water. Therefore, no device or method can utilize solar energy and an air source heat pump to realize the purposes of slaughter sewage treatment and process hot water regeneration.
Disclosure of Invention
1. The technical problems to be solved are as follows:
the existing slaughterhouse sewage treatment device can improve the quality of effluent water, but cannot be used as process water and cannot prepare process hot water.
2. The technical scheme is as follows:
in order to solve the problems, the application provides a slaughterhouse process hot water regeneration system based on solar energy and an air source heat pump, which comprises a sewage treatment system and a process water preparation system, wherein the sewage treatment system comprises a grid, a sand sedimentation tank, a sand sedimentation oil separation tank, an air floatation oil removal tank, a first filter, a fin heat exchanger, a first solar collector, a plate heat exchanger and a liquid separator, wherein the grid, the sand sedimentation tank, the sand sedimentation oil separation tank, the air floatation oil removal tank, the filter, the fin heat exchanger, the first solar collector, the plate heat exchanger and the liquid separator are connected in sequence through pipelines, the fin heat exchanger is positioned at the upper part in a low-pressure boiler, the liquid separator is positioned above a liquid storage tank of the low-pressure boiler, the lower part of the fin heat exchanger is provided with a water collection tank, the water collection tank is close to the inner wall of the low-pressure boiler, a downward-inclined tray is arranged above the water collection tank, the tray is not covered above the tank, one end of the tray is connected with the inner wall of the low-pressure boiler, the first electromagnetic valve is connected with the first electromagnetic valve, and the first electromagnetic valve is connected with the first electromagnetic valve and the first electromagnetic valve is arranged between the first electromagnetic valve and the first electromagnetic valve; the process water preparation system comprises a process hot water storage tank, wherein the process hot water storage tank, an air source heat pump, a second solar heat collector and a third water pump are sequentially connected, the third water pump is connected to the process hot water storage tank to form a loop, the second solar heat collector is connected with an eighth electromagnetic valve in parallel, the seventh electromagnetic valve is connected with the air source heat pump in parallel, and the water collector is connected with the process hot water storage tank through a first self-sucking pump.
The device is characterized by further comprising a sedimentation tank, wherein the liquid storage tank is connected with the sedimentation tank through a second self-priming pump, a fifth electromagnetic valve and a second filter, and the sedimentation tank is connected with the fin heat exchanger through a second battery valve.
A fourth electromagnetic valve is arranged between the plate heat exchanger and the first solar heat collector, and a third electromagnetic valve is arranged between the first solar heat collector and the liquid separator.
A ninth electromagnetic valve is arranged between the third water pump and the process hot water storage tank.
A sixth battery valve and an activated carbon adsorption device are arranged between the first self-priming pump and the process hot water storage tank.
The outlet of the first solar heat collector is provided with a first thermometer, the inlet of the liquid distributor is provided with a second thermometer, and a third thermometer is arranged between the third water pump and the second solar heat collector.
The water collector is internally provided with a first liquid level meter, and the liquid storage tank is internally provided with a second liquid level meter.
A first water pump and a first gate valve are arranged between the sand settling tank and the sedimentation oil separation tank, and a second water pump and a second gate valve are arranged between the sedimentation oil separation tank and the air floatation oil removal tank.
The low-pressure boiler is provided with an external vacuum gauge.
And heat preservation measures are arranged outside the process hot water storage tank.
3. The beneficial effects are that:
the slaughterhouse process water regeneration system based on the solar energy and the air source heat pump can treat slaughterhouse sewage into reclaimed water, reduces sewage discharge, has environmental protection benefit, can regenerate the reclaimed water into process water, and reduces urban tap water consumption. Only needs to consume solar energy, a small amount of steam and electric energy to regenerate the slaughterhouse sewage into process hot water, and has energy-saving benefit.
Drawings
Fig. 1 is a schematic structural view of the present application.
Detailed Description
The present application will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the slaughterhouse process water regeneration system based on the solar energy and the air source heat pump comprises a sewage treatment system and a process water preparation system.
The sewage treatment system comprises a grid 1, a sand setting tank 2, a sand setting oil separation tank 3, an air floatation oil removal tank 4, a first filter 19, a fin heat exchanger 7, a first solar heat collector 8, a plate heat exchanger 9 and a liquid separator 42, wherein the grid 1, the sand setting tank 2, the sand setting oil separation tank 3, the air floatation oil removal tank 4, the filter 19, the fin heat exchanger 7 and the first solar heat collector 8 are connected with the plate heat exchanger 9 and the liquid separator 42 in a pipeline mode.
The sewage treatment process comprises the following steps: the sewage enters from a sewage inlet, firstly passes through a grid 1 to remove a large amount of solid impurity hairs, enters into a grit chamber 2 to remove sediment in the sewage; then enters a precipitation oil separation tank 3, and is matched with an oil scraping and mud scraping machine to separate animal bones, muscles, hair, grease and sediment in the wastewater. Then enters an air floatation oil removal tank 4 to further remove grease in the water. Then enters the fin heat exchanger of the low-pressure boiler 5 through the first filter 19, absorbs heat generated by condensation of water vapor in the fin heat exchanger, increases water temperature, enters the first solar heat collector 8, absorbs heat in the first solar heat collector 8, further increases water temperature, then enters the plate heat exchanger 9, then enters the liquid separator 42, and drops into the liquid storage tank 43.
A fourth electromagnetic valve 24 is arranged between the plate heat exchanger 9 and the first solar heat collector 8, and a third electromagnetic valve 23 is arranged between the first solar heat collector 8 and the liquid separator 42. The outlet of the first solar heat collector 8 is provided with a first thermometer 34, and the inlet of the liquid separator 42 is provided with a second thermometer 35.
The third solenoid valve 23 and the fourth solenoid valve 24 are provided with the functions of: when the sun lights strongly, the first thermometer 34 at the outlet of the first solar heat collector 8 shows that the water temperature reaches 90 ℃, the fourth electromagnetic valve 24 is closed, the third electromagnetic valve 23 is opened, and the water directly enters the liquid separator 42 in the low-pressure boiler 5. The second thermometer 35 shows the temperature of the water after it has passed the plate heat exchanger 9. The plate heat exchanger 9 exchanges heat by entering steam from a lower steam inlet and exiting steam from an upper steam outlet. The structure of the application can reduce the steam consumption in the sewage treatment process and save energy sources without using a plate heat exchanger under the condition that the water temperature reaches 90 ℃ by the first solar heat collector 8.
The sedimentation tank 6 is also arranged, the liquid storage tank 43 is connected with the sedimentation tank 6 through the second self-priming pump 37, the fifth electromagnetic valve 25, and the sedimentation tank 6 is connected with the fin heat exchanger 7 through the second filter 20, the second battery valve 22.
For better sewage treatment effect, a sedimentation tank 6 is also arranged, and water in the liquid storage tank 43 is pumped into the sedimentation tank 6 through the second self-priming pump 37 and the fifth electromagnetic valve 25 for filtering again. When the water level in the sedimentation tank 6 reaches a certain height, the first electromagnetic valve 21 is closed, the second electromagnetic valve 22 is opened, and water enters the fin heat exchanger 7 in the low-pressure boiler 5 through the second filter 20 and the second electromagnetic valve 22 to be boiled under vacuum and low pressure, so that condensed water is generated.
The fin heat exchanger 7 be located the upper portion in the low pressure boiling vessel 5, the knockout 42 be located the reservoir 43 top of low pressure boiling vessel 5, the below of fin heat exchanger 7 be provided with catch basin 41, catch basin 41 be close to the inner wall of low pressure boiling vessel 5, catch basin 41 top is equipped with downward sloping tray 44, tray 5 do not cover the top of catch basin 41, tray 44 one end with the inner wall connection of low pressure boiling vessel 5.
In the low pressure boiler 5, the principle of vacuum low pressure boiling is utilized, the water temperature is higher, the pressure in the barrel is lower, and a large amount of water is separated from the water in a boiling mode. The separated water vapor is condensed on the surface of the fin heat exchanger 7 with lower temperature at the upper part of the barrel, and is collected in the water collecting tank 41 through the inclined tray 44, and the sewage treatment process is completed.
The low-pressure boiler 5 is connected with the vacuum pump 17, the vacuum pump 17 is connected with the eleventh electromagnetic valve 31, the low-pressure boiler 5 is vacuumized firstly before liquid feeding, the eleventh electromagnetic valve 31 and the vacuum pump 17 are opened, and the vacuum meter 38 is arranged outside the low-pressure boiler 5. When the vacuum reaches the set value, the solenoid valve 11 and the vacuum pump 17 are closed, and then the liquid intake is started.
The process water preparation system comprises a process hot water storage tank 10, wherein the process hot water storage tank 10, an air source heat pump 13, a second solar heat collector 12 and a third water pump 18 are sequentially connected, the third water pump 18 is connected to the process hot water storage tank 10 to form a loop, the second solar heat collector 12 is connected with an eighth electromagnetic valve 28 in parallel, a seventh electromagnetic valve 27 is arranged and connected with the air source heat pump 13 in parallel, and a water collector 41 is connected with the process hot water storage tank through a first self-sucking pump 16.
It can be seen that the water in the process water heater tank 10 comes from a water collector 41 in the sewage treatment system, and a sixth battery valve 26 and an activated carbon adsorption device 11 are arranged between the first self-priming pump 16 and the process water tank. After the sewage treatment system is used for treatment, activated carbon is adopted for adsorption, so that the water quality is further purified.
The process hot water preparation process comprises the following steps: the water in the process hot water storage tank 10 is heated by a condenser in the air source heat pump 13, the water temperature is increased, then enters the second solar heat collector 12 for further heating, and returns to the process hot water storage tank 10 by the third water pump 18 and the ninth electromagnetic valve 29.
If the water temperature in the water storage tank is higher, the seventh electromagnetic valve 27 is opened, the eighth electromagnetic valve 28 is closed, the air source heat pump is closed, water directly enters the solar heat collector 2 for heating through the seventh electromagnetic valve 27, and then the water returns to the process hot water storage tank 10 through the third water pump 18 and the ninth electromagnetic valve 29. If the sun illumination intensity is poor in overcast and rainy days, the seventh electromagnetic valve 27 is closed, the eighth electromagnetic valve 28 is opened, the air source heat pump 13 is opened, and water is heated by the air source heat pump 13 and then directly returns into the process hot water storage tank 10 through the eighth electromagnetic valve 28, the third water pump 18 and the ninth electromagnetic valve 29.
The third thermometer 36 is used for measuring the temperature of water entering the process hot water storage tank 10, and the second solar heat collector 12 is used alone or the second solar heat collector 12 and the air source heat pump 13 are required to be used together for heating according to the temperature. The air source heat pump 13 is adopted as a second heat source, so that the defect of unstable solar energy is overcome, and the operation of the system can be ensured even in overcast and rainy days.
Finally, the water in the process hot water storage tank 10 flows out from the process hot water outlet, a tenth electromagnetic valve 30 is arranged on a pipeline of the process hot water outlet, so that the water temperature meets the condition, the tenth electromagnetic valve 30 is opened, the water flows out, and otherwise, the tenth electromagnetic valve is closed.
The water collector 41 is provided with a first liquid level meter 39, and the liquid storage tank 43 is provided with a second liquid level meter 40.
The first level gauge 39 is used for measuring the water level of the water collector 41, and when the condensed water in the water collector 41 reaches a certain level, the sixth electromagnetic valve 26 is opened, so that the condensed water in the water collector 41 enters the process hot water storage tank 10 through the first self-priming pump 16.
The second level gauge 40 is used to measure the level of the reservoir 43.
A first water pump 14 and a first gate valve 32 are arranged between the sand setting tank 2 and the sedimentation oil separation tank 3, and a second water pump 15 and a second gate valve 33 are arranged between the sedimentation oil separation tank 3 and the air floatation oil removal tank 4.
From the above detailed description of the application, it can be seen that the slaughter house process water regeneration system based on the solar energy and the air source heat pump provided by the application can treat slaughter house sewage into reclaimed water, thereby reducing sewage discharge and having environmental protection benefits. The reclaimed water can be regenerated into process water, so that the urban tap water consumption is reduced. Moreover, the slaughterhouse sewage can be regenerated into process hot water by only consuming solar energy, a small amount of steam and electric energy, and the energy-saving method has energy-saving benefits.
While the application has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the application, and it is intended that the scope of the application shall be defined by the appended claims.
Claims (7)
1. A slaughterhouse process water regeneration system based on solar energy and air source heat pump, characterized in that: the sewage treatment system comprises a sewage treatment system and a process water preparation system, wherein the sewage treatment system comprises a grid (1), a sand sedimentation tank (2), a sand sedimentation oil removal tank (3), an air floatation oil removal tank (4), a first filter (19), a fin heat exchanger (7), a first solar heat collector (8), a plate heat exchanger (9) and a liquid separator (42), the grid (1), the sand sedimentation tank (2), the sand sedimentation oil removal tank (3), the air floatation oil removal tank (4), the first filter (19), the fin heat exchanger (7), the first solar heat collector (8), the plate heat exchanger (9) and the liquid separator (42) are sequentially connected through pipelines, the fin heat exchanger (7) is positioned at the upper part in a low-pressure boiler (5), the liquid separator (42) is positioned above a groove (43) of the low-pressure boiler (5), a water collection tank (41) is arranged below the fin heat exchanger (7), the water collection tank (41) is close to the inner wall of the low-pressure boiler (5), the water collection tank (41) is connected with a water collection tray (44) which is arranged below the low-pressure boiler (5), the low-pressure boiler (5) is connected with the vacuum pump (17), the vacuum pump (17) is connected with the eleventh electromagnetic valve (31), a first electromagnetic valve (21) is arranged between the first filter (19) and the fin heat exchanger (7), and a fourth electromagnetic valve (24) is arranged between the first solar heat collector (8) and the plate heat exchanger (9); the process water preparation system comprises a process hot water storage tank (10), wherein the process hot water storage tank (10), an air source heat pump (13), a second solar heat collector (12) and a third water pump (18) are sequentially connected, the third water pump (18) is connected to the process hot water storage tank (10) to form a loop, the second solar heat collector (12) is connected with an eighth electromagnetic valve (28) in parallel, a seventh electromagnetic valve (27) and the air source heat pump (13) are connected in parallel, and a water collecting tank (41) is connected with the process hot water storage tank through a first self-sucking pump (16).
2. A abattoir process water regeneration system based on solar and air source heat pumps as claimed in claim 1, wherein: the novel self-priming heat pump is characterized by further comprising a sedimentation tank (6), wherein the liquid storage tank (43) is connected with the sedimentation tank (6) through a second self-priming pump (37), a fifth electromagnetic valve (25), and the sedimentation tank (6) is connected with the fin heat exchanger (7) through a second filter (20), a second battery valve (22).
3. A slaughterhouse process water regeneration system based on solar and air source heat pumps according to claim 1 or 2, characterised in that: a fourth electromagnetic valve (24) is arranged between the plate heat exchanger (9) and the first solar heat collector (8), a third electromagnetic valve (23) is arranged between the first solar heat collector (8) and the liquid separator (42), a ninth electromagnetic valve (29) is arranged between the third water pump (18) and the process hot water storage tank (10), and a sixth battery valve (26) and an activated carbon adsorption device (11) are arranged between the first self-priming pump (16) and the process hot water storage tank.
4. A slaughterhouse process water regeneration system based on solar and air source heat pumps according to claim 1 or 2, characterised in that: the outlet of the first solar heat collector (8) is provided with a first thermometer (34), the inlet of the liquid separator (42) is provided with a second thermometer (35), a third thermometer (36) is arranged between the third water pump (18) and the second solar heat collector (12), and the low-pressure boiler (5) is provided with an external vacuum gauge (38).
5. A slaughterhouse process water regeneration system based on solar and air source heat pumps according to claim 1 or 2, characterised in that: the water collecting tank (41) is internally provided with a first liquid level meter (39), and the liquid storage tank (43) is internally provided with a second liquid level meter (40).
6. A slaughterhouse process water regeneration system based on solar and air source heat pumps according to claim 1 or 2, characterised in that: a first water pump (14) and a first gate valve (32) are arranged between the sand setting tank (2) and the sand setting oil separation tank (3), and a second water pump (15) and a second gate valve (33) are arranged between the sand setting oil separation tank (3) and the air flotation oil removal tank (4).
7. A slaughterhouse process water regeneration system based on solar and air source heat pumps according to claim 1 or 2, characterised in that: the outside of the process hot water storage tank (10) is provided with heat preservation measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275163.5A CN109179842B (en) | 2018-10-30 | 2018-10-30 | Slaughterhouse process water regeneration system based on solar energy and air source heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275163.5A CN109179842B (en) | 2018-10-30 | 2018-10-30 | Slaughterhouse process water regeneration system based on solar energy and air source heat pump |
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| Publication Number | Publication Date |
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| CN109179842A CN109179842A (en) | 2019-01-11 |
| CN109179842B true CN109179842B (en) | 2023-11-21 |
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| CN201811275163.5A Active CN109179842B (en) | 2018-10-30 | 2018-10-30 | Slaughterhouse process water regeneration system based on solar energy and air source heat pump |
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