CN116495878A - Gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage - Google Patents
Gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage Download PDFInfo
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- CN116495878A CN116495878A CN202310365817.8A CN202310365817A CN116495878A CN 116495878 A CN116495878 A CN 116495878A CN 202310365817 A CN202310365817 A CN 202310365817A CN 116495878 A CN116495878 A CN 116495878A
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- 239000010865 sewage Substances 0.000 title claims abstract description 75
- 230000000295 complement effect Effects 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 190
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 description 6
- 239000008213 purified water Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to 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
- C02F2209/02—Temperature
-
- 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
- C02F2301/10—Temperature conditions for biological treatment
- C02F2301/106—Thermophilic treatment
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Energy (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Sustainable Development (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention belongs to the technical field of sewage treatment equipment, and particularly relates to a gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage. The solar heat collector is used for heating sewage in the heat exchanger by utilizing solar energy, so that the sewage is clean and pollution-free; after sewage is treated by a three-phase separator in an anaerobic reactor, the sewage in a heat pump unit can be preheated, and the residual heat is fully recovered; the anaerobic sewage heating system heats sewage in the anaerobic process, so that multi-energy complementation is realized, the finally optimized system is more energy-saving and efficient, the running cost is further saved, and the social and economic benefits are met.
Description
Technical Field
The invention belongs to the technical field of sewage treatment equipment, and particularly relates to a gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage.
Background
Along with the continuous development of the economy of China, the speed of urban construction of China is continuously increased, the living standard of people is continuously improved, the daily living water consumption is continuously increased, and the generated domestic sewage is also increased; meanwhile, the acceleration of the industrialization process leads to the increase of the discharge amount of industrial wastewater. Therefore, the energy consumption of sewage treatment is increased, and how to treat the sewage becomes important according to the requirements of low carbon, environmental protection, energy conservation and emission reduction work proposed by the nation.
The anaerobic reaction system is a good method for treating high-concentration organic wastewater, avoids the direct discharge of sewage and pollutants thereof to natural environments such as rivers, lakes, seas and the like, and prevents serious damage to the ecological environment and influence on the health of human beings and the survival of other organisms. However, the anaerobic reaction process has a difficulty in treating sewage, namely, the temperature requirement for treating the sewage is high, and the anaerobic reaction has high efficiency only in a relatively high temperature (38 ℃) and a small temperature difference range (35-40 ℃). In the prior art, in order to improve the efficiency of anaerobic reaction, a series of sewage heating and heat preservation measures are adopted, but a great deal of energy consumption is required for heating and heat preservation of sewage in the prior art. In addition, in the northern area of China, the winter is cold, the temperature of the primary sewage is low, the temperature condition required by sewage treatment cannot be met, and the primary sewage needs to be heated. In order to ensure the normal operation of the anaerobic reaction, the old method adopts boiler heating, so that the cost of sewage heating is greatly increased, and simultaneously, the manpower and material resources are wasted.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a gas-heat cogeneration multi-energy complementary system based on anaerobic biochemical treatment of solar sewage. Through the combined action of the solar heat collector, the electric heating system, the biogas boiler and the heat pump unit, the multi-energy complementation is realized, and finally, the optimized system is more energy-saving and efficient, the running cost is further saved, and the social and economic benefits are met.
The invention adopts the technical scheme that: the gas-heat co-production multifunctional complementary system based on the anaerobic biochemical treatment of solar sewage comprises a sewage collecting tank, a heat pump unit, a solar heat collector, an electric heater, an anaerobic reactor, a first water tank, a heat exchanger, a water supplementing pipe, a biogas boiler, a biogas purifier, a heating circulating pipe, a second water tank, a temperature controller, a first temperature detector, a second temperature detector, a first circulating pump, a second circulating pump, a first valve, a biogas pump and a water pump; the heat pump unit consists of an evaporator, an expansion valve, a condenser and a compressor which are communicated through refrigerant pipelines; the water outlet of the sewage collecting tank is communicated with the water inlet of the condenser of the heat pump unit and is supplied with water by a water pump, the water outlet of the condenser is communicated with the water inlet of the second water tank, the heat exchanger is detachably arranged in the second water tank, the water outlet of the second water tank is communicated with the water inlet of the anaerobic reactor, the water outlet of the anaerobic reactor is communicated with the water inlet of the evaporator of the heat pump unit, and the water outlet of the evaporator is connected with the next procedure; the biogas generated by the anaerobic reactor is conveyed into the biogas purifier through the biogas pump, the outlet of the biogas purifier is communicated with the air inlet pipe of the biogas boiler, the biogas boiler is heated by combusting the biogas provided by the biogas purifier, the water outlet of the biogas boiler is communicated with the water inlet of the heating circulating pipe in the anaerobic reactor, the water outlet of the heating circulating pipe is connected with the water inlet of the biogas boiler, and the heated hot water of the biogas boiler is conveyed to the heating circulating pipe through the second circulating pump for heating the sewage in the anaerobic reactor; the temperature controller is used for automatically controlling the heating temperature of the sewage in the heat exchanger and the anaerobic reactor; the solar heat collector supplies water to the heat exchanger through the first circulating pump, the water outlet of the heat exchanger is communicated with the inlet of the first water tank, the first water tank supplies water to the solar heat collector through the water pump, the first water tank is provided with a water supplementing pipe, and the electric heater is detachably arranged in the first water tank.
Further, the anaerobic reactor comprises a shell, a methane discharge pipe, a water outlet, a three-phase separator, a water distributor, a water distribution tank, a water outlet weir, a water inlet pipe, a down pipe and a rising pipe; the biogas discharge pipe is positioned at the top of the shell, the water inlet pipe is arranged at the bottom of the shell, the water distributor is positioned above the water inlet pipe, the water distributor is communicated with the water distribution tank through the downpipe, the water distribution tank is positioned above the shell, the three-phase separator is positioned above the water distributor, the water outlet weir is positioned above the three-phase separator, and the ascending pipes are arranged at two sides of the water distribution tank.
Further, the biogas boiler comprises a furnace body, a filter, an oxygen inlet pipe, a fan, a support column, a water inlet pipe, a water outlet pipe, a biogas chamber, an air chamber, a mixing chamber, a biogas inlet pipe, a burner and a hearth; the biogas inlet pipe is arranged at the bottom of the furnace body, the filter is arranged at the top of the furnace body, the mixing chamber, the air chamber and the biogas chamber are sequentially arranged below the hearth, the oxygen inlet pipe is communicated with the air chamber, and the oxygen inlet pipe is communicated with the fan.
Further, the heating circulating pipe is arranged at the bottom of the anaerobic reactor, and is a spiral pipe.
Further, the heat exchange tube of the heat exchanger is a U-shaped tube.
Further, the water outlet of the second water tank is higher than the water inlet of the anaerobic reactor; the water outlet of the anaerobic reactor is higher than the water inlet of the evaporator in the heat pump unit, and the water inlet of the second water tank is arranged above the water outlet.
Further, the first temperature detector is arranged at the upper part of the second water tank, and the second temperature detector is arranged at the lower part of the anaerobic reactor.
The invention has the beneficial effects that: provides a gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage. The solar heat collector is used for heating sewage in the heat exchanger by utilizing solar energy, so that the sewage is clean and pollution-free; after sewage is treated by a three-phase separator in an anaerobic reactor, part of purified water is discharged to a heat pump unit, the part of purified water has higher temperature, the sewage in the heat pump unit can be preheated after flowing to the heat pump unit, the residual heat is fully recovered, and the preheated sewage continuously flows to a heat exchanger and the anaerobic reactor, so that the energy consumption is saved; the anaerobic sewage heating system heats sewage in the anaerobic process, achieves the temperature condition required by the anaerobic reactor, realizes multi-energy complementation, and finally the optimized system is more energy-saving and efficient, further saves the running cost and meets the social and economic benefits. Particularly plays a larger role in the areas with deficient energy sources, and can effectively promote the coordinated development of environment and economy.
Drawings
FIG. 1 is a schematic diagram of a sewage anaerobic heating system in accordance with a first embodiment;
FIG. 2 is a schematic view of a heat exchange tube in the first embodiment;
FIG. 3 is a schematic view showing the structure of a heating circulation pipe in the first embodiment;
FIG. 4 is a schematic view showing the structure of an anaerobic reactor in the first embodiment;
fig. 5 is a schematic view of the structure of the biogas boiler in the first embodiment.
Description of the embodiments
Examples
Referring to the figures, the gas-heat cogeneration multifunctional complementary system based on the anaerobic biochemical treatment of solar sewage comprises a sewage collecting tank 1, a heat pump unit 2, a solar heat collector 3, an electric heater 4, an anaerobic reactor 5, a first water tank 6, a heat exchanger 7, a water supplementing pipe 8, a biogas boiler 9, a biogas purifier 10, a heating circulating pipe 11, a second water tank 12, a temperature controller 13, a first temperature detector 14, a second temperature detector 15, a first circulating pump 16, a second circulating pump 17, a first valve 18, a biogas pump 19, a water pump 20, a second valve 21 and a third valve 22; the heat pump unit consists of an evaporator 201, an expansion valve 202, a condenser 203 and a compressor 204 which are communicated through refrigerant pipelines; the water outlet of the sewage collecting tank is communicated with the water inlet of the condenser of the heat pump unit and is supplied with water by a water pump, the water outlet of the condenser is communicated with the water inlet of the second water tank, the heat exchanger is detachably arranged in the second water tank, the water outlet of the second water tank is communicated with the water inlet of the anaerobic reactor, the water outlet of the anaerobic reactor is communicated with the water inlet of the evaporator of the heat pump unit, and the water outlet of the evaporator is connected with the next procedure; the biogas generated by the anaerobic reactor is conveyed into the biogas purifier through the biogas pump, the outlet of the biogas purifier is communicated with the air inlet pipe of the biogas boiler, the biogas boiler is heated by combusting the biogas provided by the biogas purifier, the water outlet of the biogas boiler is communicated with the water inlet of the heating circulating pipe in the anaerobic reactor, the water outlet of the heating circulating pipe is connected with the water inlet of the biogas boiler, and the heated hot water of the biogas boiler is conveyed to the heating circulating pipe through the second circulating pump for heating the sewage in the anaerobic reactor; the temperature controller is used for automatically controlling the heating temperature of the sewage in the heat exchanger and the anaerobic reactor; the solar heat collector supplies water to the heat exchanger through the first circulating pump, the water outlet of the heat exchanger is communicated with the inlet of the first water tank, the first water tank supplies water to the solar heat collector through the water pump, the first water tank is provided with a water supplementing pipe, and the electric heater is detachably arranged in the first water tank.
The heat pump unit is composed of an evaporator 201, an expansion valve 202, a condenser 203 and a compressor 204 which are communicated through refrigerant pipelines.
The anaerobic reactor comprises a shell 501, a biogas discharge pipe 502, a water outlet 503, a three-phase separator 504, a water distributor 505, a water distribution tank 506, an effluent weir 507, a water inlet pipe 508, a downcomer 509 and an ascending pipe 510; the biogas discharge pipe is positioned at the top of the shell, the water inlet pipe is arranged at the bottom of the shell, the water distributor is positioned above the water inlet pipe, the water distributor is communicated with the water distribution tank through the downpipe, the water distribution tank is positioned above the shell, the three-phase separator is positioned above the water distributor, the water outlet weir is positioned above the three-phase separator, and the ascending pipes are arranged at two sides of the water distribution tank.
The biogas boiler comprises a furnace body 901, a filter 902, an oxygen inlet pipe 903, a fan 904, a support column 905, a water inlet pipe 906, a water outlet pipe 907, a biogas chamber 908, an air chamber 909, a mixing chamber 910, a biogas inlet pipe 911, a burner 912 and a hearth 913; the biogas inlet pipe is arranged at the bottom of the furnace body, the filter is arranged at the top of the furnace body, the mixing chamber, the air chamber and the biogas chamber are sequentially arranged below the hearth, the oxygen inlet pipe is communicated with the air chamber, and the oxygen inlet pipe is communicated with the fan.
The heating circulating pipe is arranged at the bottom of the anaerobic reactor and is a spiral pipe; the heat exchange tube of the heat exchanger is a U-shaped tube; the water outlet of the second water tank is higher than the water inlet of the anaerobic reactor; the water outlet of the anaerobic reactor is higher than the water inlet of the evaporator in the heat pump unit, and the water inlet of the second water tank is arranged above the water outlet; the first temperature detector is arranged at the upper part of the second water tank, and the second temperature detector is arranged at the lower part of the anaerobic reactor.
The heat exchange temperature of the gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage is set to 35 ℃ through a temperature controller, then a second valve is closed, a third valve is opened, water is filled in a solar heat collector, solar energy is used for heating, a first circulating pump and the first valve are opened, hot water flows in a heat exchanger and an accessory device thereof, a temperature detector is used for detecting the water temperature in the heat exchanger, if the temperature reaches the set temperature, a signal is sent by the temperature controller, the first circulating pump stops working, when the temperature is lower than the set temperature, the temperature controller sends a signal, the first circulating pump is started, the solar heat collector is preferentially selected for heating, and if the temperature still does not reach the set temperature, the electric heating system is controlled by the temperature controller to continue heating until the set temperature is reached. The water inlet of the heat exchanger is arranged above the water outlet, and the temperature of the sewage above the water inlet is higher than that below, so that the temperature of the sewage entering the anaerobic reactor is higher, the heating circulating pipe is arranged at the bottom of the anaerobic reactor, the sewage in the anaerobic reactor is heated through the heating circulating pipe, the sewage at the bottom which is heated first moves upwards, convection is generated, the stirring effect is achieved, and the sewage heating is more sufficient. The heated water is subjected to gas-liquid separation through a three-phase separator, purified water enters a heat pump unit, surplus heat is recovered through an evaporator, and then the purified water is discharged to the next working procedure for aerobic treatment. At this time, the third valve is closed, the second valve is opened, the refrigerant of the heat pump unit absorbs heat in the evaporator to generate steam, the steam is compressed by the compressor, and after the compressed steam is high-temperature and high-pressure, the compressed steam is condensed into liquid state in the condenser to release heat, heat the sewage and send the sewage into a water tank where the heat exchanger is located. The biogas generated in the anaerobic reactor enters a gas collection chamber, wherein a part of the biogas enters a biogas boiler through a biogas pipeline after being purified by a biogas purification device under the action of a biogas pump, the biogas boiler burns biogas to generate heat for heating, hot water is conveyed to a heating circulation pipe through a second circulation pump to heat sewage in the anaerobic reactor, and then cold water is returned to the biogas boiler again to continuously circulate the process. At the moment, the electric heating system is controlled to be closed by the temperature control device, only the solar heat collector is used for heating and the methane boiler is used for heating, the temperature detector is used for detecting the water temperature in the heat exchanger and the anaerobic reactor, the heat pump unit is started when the water temperature of the heat exchanger is lower than the set temperature, and the electric heating system is started again when the temperature in the anaerobic reactor is lower than the set temperature.
The heat pump unit and the heat exchanger are connected between the sewage collecting tank and the anaerobic reactor, and firstly the solar energy is utilized to heat sewage in the heat exchanger through the solar heat collector, so that the sewage collecting tank is clean and pollution-free; the solar heat collector and the electric heating system are used for heating sewage in the heat exchanger and the anaerobic reactor, after the sewage is treated by the three-phase separator in the anaerobic reactor, a part of purified water is discharged to the heat pump unit, the purified water at the part has higher temperature, the sewage in the heat pump unit can be preheated after flowing to the heat pump unit, the residual heat is fully recovered, and the preheated sewage continuously flows to the heat exchanger and the anaerobic reactor, so that the energy consumption is saved; part of the biogas discharged from the anaerobic reactor is combusted by a biogas boiler to heat water, and the hot water flows to the bottom of the anaerobic reactor to heat sewage in the anaerobic reactor. The anaerobic sewage heating system heats sewage in the anaerobic process by the combined action of the solar heat collector, the electric heating system, the biogas boiler and the heat pump unit, achieves the temperature condition required by the anaerobic reactor, realizes multi-energy complementation, and finally saves more energy and efficiency of the optimized system, further saves the running cost and satisfies the social and economic benefits. Particularly plays a larger role in the areas with deficient energy sources, and can effectively promote the coordinated development of environment and economy.
The foregoing is merely illustrative of the technical idea of the present invention, and the scope of the present invention is not limited thereto, but any modification made on the basis of the technical scheme according to the technical idea of the present invention is within the scope of the claims of the present invention.
Claims (8)
1. A gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage is characterized in that: the gas-heat cogeneration multifunctional complementary system comprises a sewage collecting tank, a heat pump unit, a solar heat collector, an electric heater, an anaerobic reactor, a first water tank, a heat exchanger, a water supplementing pipe, a biogas boiler, a biogas purifier, a heating circulating pipe, a second water tank, a temperature controller, a first temperature detector, a second temperature detector, a first circulating pump, a second circulating pump, a first valve, a biogas pump and a water pump; the water outlet of the sewage collecting tank is communicated with the water inlet of the condenser of the heat pump unit and is supplied with water by a water pump, the water outlet of the condenser is communicated with the water inlet of the second water tank, the heat exchanger is detachably arranged in the second water tank, the water outlet of the second water tank is communicated with the water inlet of the anaerobic reactor, and the water outlet of the anaerobic reactor is communicated with the water inlet of the evaporator of the heat pump unit; the biogas generated by the anaerobic reactor is conveyed into the biogas purifier through the biogas pump, the outlet of the biogas purifier is communicated with the air inlet pipe of the biogas boiler, the water outlet of the biogas boiler is communicated with the water inlet of the heating circulating pipe in the anaerobic reactor, the water outlet of the heating circulating pipe is connected with the water inlet of the biogas boiler, and the heated hot water of the biogas boiler is conveyed to the heating circulating pipe through the second circulating pump for heating the sewage in the anaerobic reactor; the temperature controller is used for automatically controlling the heating temperature of the sewage in the heat exchanger and the anaerobic reactor; the solar heat collector supplies water to the heat exchanger through the first circulating pump, the water outlet of the heat exchanger is communicated with the inlet of the first water tank, the first water tank supplies water to the solar heat collector through the water pump, the first water tank is provided with a water supplementing pipe, and the electric heater is detachably arranged in the first water tank.
2. The gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage according to claim 1, wherein the system is characterized in that: the heat pump unit is composed of an evaporator 201, an expansion valve 202, a condenser 203 and a compressor 204 which are communicated through refrigerant pipelines.
3. The gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage according to claim 1, wherein the system is characterized in that: the anaerobic reactor comprises a shell, a methane discharge pipe, a water outlet, a three-phase separator, a water distributor, a water distribution tank, a water outlet weir, a water inlet pipe, a descending pipe and a ascending pipe; the biogas discharge pipe is positioned at the top of the shell, the water inlet pipe is arranged at the bottom of the shell, the water distributor is positioned above the water inlet pipe, the water distributor is communicated with the water distribution tank through the downpipe, the water distribution tank is positioned above the shell, the three-phase separator is positioned above the water distributor, the water outlet weir is positioned above the three-phase separator, and the ascending pipes are arranged at two sides of the water distribution tank.
4. The gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage according to claim 1, wherein the system is characterized in that: the biogas boiler comprises a furnace body, a filter, an oxygen inlet pipe, a fan, a support column, a water inlet pipe, a water outlet pipe, a biogas chamber, an air chamber, a mixing chamber, a biogas inlet pipe, a burner and a hearth; the biogas inlet pipe is arranged at the bottom of the furnace body, the filter is arranged at the top of the furnace body, the mixing chamber, the air chamber and the biogas chamber are sequentially arranged below the hearth, the oxygen inlet pipe is communicated with the air chamber, and the oxygen inlet pipe is communicated with the fan.
5. The gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage according to claim 1, wherein the system is characterized in that: the heating circulating pipe is arranged at the bottom of the anaerobic reactor and is a spiral pipe.
6. The gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage according to claim 1, wherein the system is characterized in that: the heat exchange tube of the heat exchanger is a U-shaped tube.
7. The gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage according to claim 1, wherein the system is characterized in that: the water outlet of the second water tank is higher than the water inlet of the anaerobic reactor; the water outlet of the anaerobic reactor is higher than the water inlet of the evaporator in the heat pump unit, and the water inlet of the second water tank is arranged above the water outlet.
8. The gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage according to claim 1, wherein the system is characterized in that: the first temperature detector is arranged at the upper part of the second water tank, and the second temperature detector is arranged at the lower part of the anaerobic reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310365817.8A CN116495878A (en) | 2023-04-07 | 2023-04-07 | Gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310365817.8A CN116495878A (en) | 2023-04-07 | 2023-04-07 | Gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage |
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| Publication Number | Publication Date |
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| CN116495878A true CN116495878A (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310365817.8A Pending CN116495878A (en) | 2023-04-07 | 2023-04-07 | Gas-heat co-production multi-energy complementary system based on anaerobic biochemical treatment of solar sewage |
Country Status (1)
| Country | Link |
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| CN (1) | CN116495878A (en) |
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2023
- 2023-04-07 CN CN202310365817.8A patent/CN116495878A/en active Pending
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