CN220618712U - Urban new energy complex - Google Patents
Urban new energy complex Download PDFInfo
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- CN220618712U CN220618712U CN202321133244.8U CN202321133244U CN220618712U CN 220618712 U CN220618712 U CN 220618712U CN 202321133244 U CN202321133244 U CN 202321133244U CN 220618712 U CN220618712 U CN 220618712U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 212
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Abstract
The utility model relates to a new energy complex for cities, which solves the technical problems of lack of fresh water resources, insufficient farmland irrigation water and unreasonable utilization after sewage treatment, and is provided with a wind-solar electricity collection device, a sewage treatment device, a sludge recycling device, a reclaimed water storage and culture device, a reclaimed water conveying and irrigation device, an electrolyzed water hydrogen production device and a low-grade sewage source heat exchange unit; the wind-solar-electricity collection device is used for collecting and storing green electricity and supplying the green electricity to sewage treatment; the sewage treatment device is used for purifying sewage to reach the recycling standard; the sludge recycling device is used for treating sludge in water; the enzymolysis device is used for carrying out enzymolysis treatment on the excess sludge to generate a carbon source; the reclaimed water storage and culture device is used for storing reclaimed water generated by the sewage treatment plant in a regulating and storing way, the regulating and storing and regenerating reservoir can be used for agricultural irrigation, and the regulating and storing and regenerating reservoir can be used for aquaculture to increase the utilization value of the reclaimed water. The utility model can be widely applied to comprehensive utilization of sewage.
Description
Technical Field
The utility model relates to the field of comprehensive utilization of energy, in particular to a new energy complex for cities.
Background
1. The water resources in China are unevenly distributed.
2. According to the data measured and calculated in 2019, 750 hundred million tons of urban sewage and 250 hundred million tons of rural sewage exist in China, and the total amount of the sewage which can be recycled is 1000 hundred million tons.
3. With the acceleration of industrialization and town process and the continuous upgrading of consumption structures, the energy demand of China is still growing.
Only 'reasonable distribution and each need of taking' can most effectively utilize energy, thus strengthening the comprehensive management of energy, realizing the integrated management of energy generation, transmission, distribution, conversion, storage, use and consumption, and constructing a centralized dispatching management platform is an effective way for solving the current energy shortage problem.
Disclosure of Invention
The utility model provides a new urban energy complex centering on sewage treatment, which aims to solve the technical problems of lack of Chinese fresh water resources, insufficient farmland irrigation water and unreasonable utilization after sewage treatment.
The utility model provides a new energy complex for cities, which is provided with a wind-solar-electricity collection device, a sewage treatment device, a sludge recycling device, a reclaimed water storage and culture device, a reclaimed water conveying and irrigation device, an electrolyzed water hydrogen production device and a low-grade sewage source heat exchange unit;
the wind-solar-electricity collection device is respectively and electrically connected with power supply equipment of the sewage treatment device and power supply equipment of the electrolytic water hydrogen production device through an electric power transmission line; the sewage treatment device is provided with a mud storage tank and a clean water tank, the mud storage tank is provided with a mud lifting pump and is connected to a mud recycling device through a pipeline, and the clean water tank discharges reclaimed water of a sewage treatment plant to a reclaimed water storage culture device through a drainage channel; the regenerated water conveying irrigation device is provided with a water pump and a regenerated water conveying pipe network, wherein the water pump is arranged in the regenerated water storage and culture device and is connected with the regenerated water conveying pipe network through a pipeline for agricultural irrigation; the pure water required by the electrolytic water hydrogen production device is taken from reclaimed water treated by the sewage treatment device, and hydrogen and oxygen are prepared by hydrolysis; the low-grade sewage source heat exchange unit utilizes a circulating pump to introduce sewage into a heat exchanger, collects and exchanges heat energy in the sewage, and provides heat for heating or refrigerating through a heat source pump;
the wind-solar-electricity collection device is used for collecting and storing green electricity and supplying the green electricity to sewage treatment; the sewage treatment device is used for purifying sewage to reach the recycling standard; the sludge recycling device is used for treating sludge in water; the enzymolysis device is used for carrying out enzymolysis treatment on the excess sludge to generate a carbon source; the reclaimed water storage and culture device is used for storing reclaimed water generated by a sewage treatment plant in a regulating and storing mode, the regulating and storing and regenerating reservoir can be used for agricultural irrigation, and meanwhile the regulating and storing and regenerating reservoir can be used for aquaculture to increase the utilization value of the reclaimed water.
Preferably, the wind-light-electricity collection device is provided with a photovoltaic power generation device, a wind power generation device and a wind-light-electricity regulation system, and the wind-light-electricity regulation system is respectively and electrically connected with the photovoltaic power generation device and the wind power generation device; the wind-solar-electricity collection device is connected with the power supply system of the sewage treatment device and the electrolytic water hydrogen production device through an electric power transmission line, and the wind-solar-electricity regulation and control system stores or invokes electric energy collected by the photovoltaic power generation device and the wind power generation device according to the peak-valley power utilization time period of the national power grid.
Preferably, the sewage treatment device is provided with a pretreatment device, a biochemical treatment device, a deep treatment device, a purification device and a regeneration water tank which are connected in sequence; the biochemical treatment device adopts an activated sludge method, and microorganisms degrade organic pollutants through metabolism.
Preferably, the sludge recycling device is provided with an ozone blending reactor, an enzymolysis device and a carbon source recycling device, the sewage treatment device is connected with the ozone blending reactor through a pipeline, the ozone blending reactor is connected with the enzymolysis device through a pipeline, and the enzymolysis device is connected with the carbon source recycling device through a pipeline; the ozone blending reactor is provided with an ozone generator and a high-efficiency gas-liquid blending reactor, the ozone generator generates ozone, the high-efficiency blending reactor is used for fully contacting and reacting the ozone with the sludge, hydroxyl radical oxidative decomposition of the ozone damages microorganisms in the sludge, releases intracellular substances, and simultaneously removes metal ions; the enzymolysis device is used for carrying out enzymolysis reaction on the sludge treated by the ozone blending reactor; the carbon source recycling device supplies a carbon source.
Preferably, the reclaimed water storage and culture device is provided with a water source supplementing pump station, a sewage discharge system and a water quality on-line monitoring system, wherein the water source supplementing pump station is arranged in the sewage treatment device to supplement a water source for the reclaimed water storage and culture device, a water taking point of the sewage discharge system is arranged at the bottom of the reclaimed water storage and culture device, a water outlet of the sewage discharge system is discharged into the sewage treatment device through a pipeline, a multi-point of the water quality on-line detection system is arranged in the reclaimed water storage and culture device, and the starting and stopping of the water source supplementing pump station and the sewage discharge system are controlled by analyzing the water quality condition through a computer; the reclaimed water storage and culture device is a steel structure box body, a reinforced concrete tank body, a reservoir or a pond.
Preferably, the low-grade sewage source heat exchange unit is provided with a sewage heat source exchange device and a switchable heating and refrigerating device, the sewage heat source exchange device extracts heat from sewage through a circulating pump, and the extracted heat exchanges heat in a heat exchanger through a heat source pump.
Preferably, the reclaimed water conveying irrigation device is directly connected with the reclaimed water storage cultivation device or connected with a reclaimed water pond of a sewage treatment plant, and reclaimed water is conveyed to an existing farm irrigation facility for agricultural irrigation through a water conservancy conveying pipeline, a ditch and a river channel.
Preferably, the electrolytic water hydrogen production device is provided with an oxygen collection device and a hydrogen collection device, and the electrolytic water hydrogen production device utilizes reclaimed water of a sewage plant to purify and then electrolyze to prepare hydrogen and oxygen, and the hydrogen can be used for industry or doped into a natural gas system; the oxygen is used for preparing ozone for disinfection by a biochemical treatment device of a sewage treatment plant; the oxygen required for the metabolism of the microorganisms is supplied from the oxygen collection device.
The utility model has the beneficial effects that:
(1) According to the utility model, the reclaimed water of the sewage treatment plant is regulated and stored, an economic conveying mode is adopted, the original irrigation facilities are utilized to irrigate farmlands in the water shortage season, the difficult problem of insufficient water in the farmland irrigation period in China is solved, and meanwhile, the value of the reclaimed water is further increased through aquaculture during the storage period of the reclaimed water.
(2) According to the utility model, the low-grade sewage source heat exchange unit is utilized to extract and utilize the temperature difference energy between sewage and environment, and the heat is switched to heating in winter through the switchable heating and refrigerating device, so that heating heat is provided, and meanwhile, waste heat can be fused with a municipal heating system, so that heating cost in winter is reduced; and the cooling is switched to refrigeration in summer, so that cold air is provided for a sewage treatment plant, the working environment is improved, and the refrigeration energy consumption is reduced.
(3) The utility model adopts reclaimed water source and wind, light and green electricity to reduce the preparation cost, and simultaneously the generated oxygen can be supplied to a sewage treatment biochemical treatment device for use through the oxygen collecting device, so that the oxygen can be effectively utilized, and the cost of the hydrogen production by water electrolysis is further reduced.
(4) The utility model realizes the closed cycle of an energy chain, the wind-solar green electric system provides power, the energy cycle taking a sewage treatment plant as a center is formed, the sewage treatment plant processes to produce reclaimed water, the reclaimed water is used for aquaculture and irrigation of farmlands, crops are supplied to animal husbandry, the aquatic products and crops fruits are supplied to residents for use, and domestic garbage and sewage produced by the residents enter the sewage treatment plant for treatment, so that the recycling of carbon, nitrogen, phosphorus and the like is formed, and the carbon emission is reduced.
(5) The utility model solves the problem of low comprehensive utilization rate of the current energy, realizes the overall comprehensive management of the energy, changes the condition of single structure of the current energy, and simultaneously adopts a mode of taking a sewage treatment plant as the center of the energy structure, thereby effectively reducing the pollution to the environment in the energy conversion and use processes.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Description of the drawings:
1. a photovoltaic power generation device; 2. a wind power generation device; 3. a national grid; 4. a wind-light-electricity regulation system; 5. a pretreatment system; 6. a low-grade sewage source heat exchange unit; 7. a biochemical treatment device; 8. a depth processing device; 9. a purifying device; 10. a regeneration water tank; 11. a reclaimed water storage culture device; 12. a water source supplementing pump station; 13. an on-line water quality monitoring system; 14. a sewage discharge system; 15. the reclaimed water conveying irrigation device; 19. a hydrogen production device by water electrolysis; 20. a hydrogen collection device; 21. an oxygen collection device; 22. an ozone blending reactor; 23. an enzymolysis device; 24. and a carbon source recycling device.
Detailed Description
The present utility model is further described below with reference to the drawings and examples to enable those skilled in the art to which the utility model pertains to practice the utility model.
Examples: as shown in fig. 1, the utility model provides a new urban energy comprehensive system, and the utility model provides a future urban energy comprehensive system which is provided with a wind-solar electricity collection device, a sewage treatment device, a sludge recycling device, a reclaimed water storage and culture device 11, a reclaimed water conveying and irrigation device 15, an electrolyzed water hydrogen production device 19 and a low-grade sewage source heat exchange unit 6.
The wind-solar-electricity collection device is used for collecting and storing green electricity and supplying the green electricity to sewage treatment; the sewage treatment device is used for purifying sewage to reach the recycling standard; the sludge recycling device is provided with an ozone blending reactor for treating sludge in water; the enzymolysis device is used for carrying out enzymolysis treatment on the excess sludge to generate a carbon source; the reclaimed water storage and culture device 11 is used for storing reclaimed water generated by a sewage treatment plant in a regulating and storing way, the regulating and storing and regenerating reservoir can be used for agricultural irrigation, and meanwhile, the regulating and storing and regenerating reservoir can be used for aquaculture to increase the utilization value of the reclaimed water; the reclaimed water conveying irrigation device 15 can be directly connected with the reclaimed water pond 10 of the sewage treatment plant or connected with the reclaimed water storage culture device 11, and the reclaimed water is conveyed to the existing farm irrigation facilities for agricultural irrigation through water conservancy conveying pipelines, channels, river channels and the like; the electrolytic water hydrogen production device 19 is used for preparing hydrogen and oxygen by electrolysis after purifying reclaimed water of a sewage plant, and the hydrogen can be used for industrial or energy storage power generation or doped into a natural gas system; the oxygen is used for the biochemical treatment device 8 of the sewage treatment plant and preparing ozone for disinfection. The low-grade sewage source heat exchange unit 6 is used for extracting cold and heat energy in sewage and providing heating or refrigeration for office facilities of the sewage plant through a heat exchange principle.
The wind-solar-electricity collection device is respectively and electrically connected with power supply equipment of the sewage treatment device and power supply equipment of the electrolytic water hydrogen production device through an electric power transmission line; the sewage treatment device is provided with a sludge storage tank and a clean water tank, the sludge storage tank of the sewage treatment device is provided with a sludge lifting pump, and the sludge lifting pump is connected to a sludge inlet of the sludge recycling device through a sludge conveying pipeline; the clean water tank of the sewage treatment device discharges the reclaimed water of the sewage treatment plant to the reclaimed water storage and culture device 11 for storage and utilization through a drainage channel; the reclaimed water conveying irrigation device 15 is provided with a water pump and a reclaimed water conveying pipe network, the water pump is arranged in the reclaimed water storage culture device 15 and is connected with the reclaimed water conveying pipe network through a pipeline, and the reclaimed water conveying pipe network is arranged according to water demand; pure water required by the electrolytic water hydrogen production device 19 is taken from reclaimed water treated by the sewage treatment device, hydrogen generated by the electrolytic water hydrogen production device is stored in the hydrogen collection device 20 through a pipeline, oxygen generated by the electrolytic water hydrogen production device is stored in the oxygen collection device 21 through an oxygen pipeline, and the oxygen collection device 21 is connected with an aerobic unit of the sewage treatment device through a pressure regulating device and the oxygen pipeline; the low-grade sewage source heat exchange unit introduces sewage into the heat exchanger through a sewage pipeline by utilizing a circulating pump, collects and exchanges heat energy in the sewage, and conveys the heat to a user for heating through a heat source pump.
The wind-light-electricity collecting device is provided with a photovoltaic power generation device 1, a wind power generation device 2 and a wind-light-electricity regulating system 4, the wind-light-electricity collecting device is connected with a sewage treatment device and a power supply system of an electrolyzed water hydrogen production device 19 through an electric power transmission line, and the wind-light-electricity regulating system 4 stores or invokes electric energy collected by the photovoltaic power generation device 1 and the wind power generation device 2 according to a peak-valley power utilization time period of a national power grid 3.
The sewage treatment device is provided with a pretreatment device 5, a biochemical treatment device 7, an advanced treatment device 8, a purification device 9 and a regeneration water tank 10, wherein the biochemical treatment device 7 adopts an activated sludge method, microorganisms degrade organic pollutants through metabolism, oxygen required by the metabolism of the microorganisms is supplied by an oxygen collection device 21, and carbon sources required by the metabolism of the microorganisms are supplied by a carbon source recycling device 24 arranged in a sludge recycling device. The sewage is conveyed to a water inlet of the pretreatment device 5 through a water collecting well lifting pump, the sewage treated by the pretreatment device 5 automatically flows into the biochemical treatment device 7 through gravity, the sewage is subjected to biochemical treatment in the biochemical treatment device 7, after harmful substances in the sewage are removed, the sewage enters the advanced treatment device 8 through an overflow mode, the sewage is filtered and disinfected again in the advanced treatment device 8, then automatically flows into the purification device 9, and the sewage becomes regenerated water after being disinfected by the purification device, and automatically flows into the regeneration water tank 10.
The sludge recycling device is provided with an ozone blending reactor 22, an enzymolysis device 23 and a carbon source recycling device 24, sludge generated after treatment of the sewage treatment device is conveyed into the ozone blending reactor 22 through a sludge lifting pump to perform oxidation reaction, the sludge oxidized by the ozone blending reactor 22 flows into the enzymolysis device 23 through a pipeline to perform biological enzymolysis reaction, and after enzymolysis precipitation, supernatant generated by enzymolysis is stored in the carbon source recycling device 24 through a pipeline. The ozone blending reactor 22 is provided with an ozone generator and a high-efficiency gas-liquid blending reactor, the ozone generator generates ozone, the high-efficiency blending reactor is used for fully contacting and reacting the ozone with the sludge, hydroxyl radical oxidative decomposition of the ozone damages microorganisms in the sludge, releases intracellular substances, and simultaneously removes metal ions. The enzymolysis device 23 is used for performing enzymolysis reaction on the sludge treated by the ozone blending reactor 22. The supernatant produced after enzymolysis is conveyed to the biochemical treatment device 7 for recycling through the carbon source recycling device 24.
The reclaimed water storage and culture device 11 is in the forms of a steel structure box body, a reinforced concrete tank body, a reservoir, a pond and the like. The reclaimed water storage and culture device 11 is provided with a water source supplementing pump station 12, a sewage discharge system 14, a water quality on-line monitoring system 13 and the like; the reclaimed water storage and culture device 11 is used for storing reclaimed water generated by a sewage treatment plant, the storage and regeneration reservoir can be used for agricultural irrigation, and meanwhile, the storage and regeneration reservoir can be used for aquaculture to increase the utilization value of the reclaimed water. The water source supplementing pump station is arranged in the regeneration water tank 10 of the sewage treatment device, when the regenerated water storage and breeding device 11 needs water source supplementing, the water source supplementing pump station starts to work to supplement water source for the regenerated water storage and breeding device 11, the water taking point of the sewage discharge system is arranged at the bottom of the regenerated water storage and breeding device 11, the water outlet of the sewage discharge system 14 is discharged into the water collecting well of the sewage treatment device through a pipeline, the water quality online detection system 13 is arranged in the regenerated water storage and breeding device 11 at multiple points, and the water quality condition is analyzed through a computer to control the starting and stopping of the water source supplementing pump station and the sewage discharge system.
The water quality on-line monitoring system 13 comprises monitoring indexes such as temperature, COD, BOD, ammonia nitrogen, total phosphorus and the like, and the monitoring data are transmitted to a computer in real time for comparison analysis with preset standard indexes. And the computer sends out an action instruction through the comparison result.
After the sewage discharge system 14 receives the start of the computer instruction, the sewage at the bottom of the reclaimed water storage culture device is discharged to a sewage treatment plant for secondary purification treatment.
After receiving the computer instruction, the water source supplementing pump station 12 extracts the reclaimed water from the reclaimed water pool of the sewage treatment plant to supplement the water quantity of the reclaimed water storage and culture device.
The low-grade sewage source heat exchange unit 6 is provided with a sewage heat source exchange device and a switchable heating and refrigerating device. The sewage heat source exchange device extracts heat from sewage through the circulating pump, the extracted heat exchanges heat in the heat exchanger through the heat source pump, the heat is exchanged out through the switchable heating and refrigerating device to be supplied to a user for heating in winter, cold water flows back to the sewage treatment device, the heat is taken away in summer, and cold air is conveyed to the user for refrigerating.
The reclaimed water conveying irrigation device 15 can be directly connected with the reclaimed water storage and culture device 11 or connected with the reclaimed water pond 10 of the sewage treatment plant, and the reclaimed water is conveyed to the existing farm irrigation facilities for agricultural irrigation through water conservancy conveying pipelines, water channels, river channels and the like.
The electrolytic water hydrogen production device 19 is provided with an oxygen collection device 21 and a hydrogen collection device 20, and hydrogen and oxygen are produced by electrolysis after the reclaimed water of the sewage plant is purified, and the hydrogen can be used for industry or doped into a natural gas system; the oxygen is used for preparing ozone for disinfection by a biochemical treatment device of a sewage treatment plant.
The utility model relates to an operation mode of an urban new energy complex system, which comprises the following steps:
(1) The photovoltaic power generation device and/or the wind power generation device are/is used for supplementing an electric power system to be supplied to a sewage plant, so that the running cost of the sewage plant is reduced;
(2) The sewage treatment plant collects resident domestic sewage and industrial sewage to be pretreated respectively;
(3) The pretreated sewage is subjected to sewage source heat exchange unit to extract low-grade heat energy or cold energy contained in the sewage, and the heat source pump utilizes the heat exchange principle to supply energy for heating or refrigerating residents; the water temperature of the sewage treatment plant is maintained within the range of 13-25 ℃ throughout the year; the temperature is maintained at 13-20 ℃ in winter, and is higher than the ambient temperature; in summer, the temperature is generally maintained at 15-25 ℃ and is lower than the ambient temperature; therefore, the sewage and environmental temperature difference energy is extracted and utilized through the sewage heat source exchange device, a part of energy is switched to heating in winter through the switchable heating and refrigerating device, heating heat is provided for a sewage plant, and meanwhile, waste heat can be communicated with a municipal heating system to provide a heat source for municipal heating, so that heating cost in winter is reduced; switching to refrigeration in summer to provide cold air for a sewage treatment plant, improving the working environment and reducing the refrigeration energy consumption;
(4) The sewage after energy extraction enters a biochemical treatment device, a deep treatment device and a purification device for further treatment; the reclaimed water after reaching the standard is treated and enters a reclaimed water tank for storage;
(5) The electrolytic water hydrogen production device uses a small amount of reclaimed water as a water source for electrolytic utilization, hydrogen generated by electrolysis can be applied to industry or doped into municipal natural gas pipe network to reduce natural gas cost, and meanwhile, energy can be reserved if a large amount of hydrogen is prepared; the oxygen of the electrolytic accessory product is conveyed to a biochemical treatment device through a pipeline to be used for microbial metabolism;
(6) The reclaimed water storage and culture device is one or a combination of a plurality of forms of a steel structure box body, a reinforced concrete pool body, a reservoir, a pond and the like; the reclaimed water of the sewage treatment plant is communicated with the reclaimed water storage and culture device through a water source supplementing pump station; the sewage generated by the reclaimed water storage culture device is communicated with the water inlet of a sewage treatment plant through a sewage discharge system; the method comprises the steps of regulating and controlling the culture water quality by using an online water quality monitoring system, monitoring wastewater generated in the culture process, analyzing and calculating by a computer, and then sending out an instruction to control a water source supplementing pump station and a sewage discharge system;
(7) The reclaimed water conveying irrigation device is connected with the reclaimed water storage culture device; the method comprises the steps that reclaimed water is conveyed to an irrigation facility to irrigate crops in a period of time when the crops need to be irrigated in a pipeline, a canal, a river channel and other modes;
(8) The aquatic products produced by the reclaimed water storage culture device and crops irrigated by the reclaimed water conveying irrigation device are harvested and then supplied to residents or industry for use; the sewage generated by residents and industry is collected again and conveyed to a sewage treatment plant for treatment, so that a circulating energy chain structure is formed.
In the present utility model, raw water is sewage to be treated, and in some embodiments of the present utility model, raw water may be distributed sewage such as domestic sewage, municipal sewage, industrial sewage, etc.
After the steps are carried out, the cost problem of hydrogen production by water electrolysis is solved, the problem of irrigation water source is solved, the utilization rate of reclaimed water is improved, the energy structure is optimized, the problems of energy shortage and uneven distribution are alleviated, and the method has great significance on energy conservation and emission reduction.
Meanwhile, the problem of high cost of adding an external carbon source in a sewage treatment plant is solved, an aerobic tank mode of the sewage treatment plant is optimized, and the running cost of the sewage treatment plant is reduced.
And the low-grade heat source of the sewage heat source exchanger unit is extracted and comprehensively utilized, so that the sewage value is increased, the sewage treatment operation cost is reduced, the extracted heat is used for heating and refrigerating, the coal and the fuel oil can be partially replaced, the environmental problem is properly relieved, and the energy structure can be optimized.
Therefore, the novel energy complex centering on the sewage treatment plant is formed, the operation ecological mode of the traditional sewage treatment plant is improved, and the development of the new energy industry is promoted.
The above description is only for the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the scope of the claims of the present utility model should fall within the protection scope of the present utility model.
Claims (8)
1. The urban new energy complex is characterized by being provided with a wind-solar-electricity collection device, a sewage treatment device, a sludge recycling device, a reclaimed water storage and culture device, a reclaimed water conveying and irrigation device, an electrolyzed water hydrogen production device and a low-grade sewage source heat exchange unit;
the wind-solar-electricity collection device is respectively and electrically connected with power supply equipment of the sewage treatment device and power supply equipment of the electrolytic water hydrogen production device through an electric power transmission line; the sewage treatment device is provided with a mud storage tank and a clean water tank, the mud storage tank is provided with a mud lifting pump and is connected to a mud recycling device through a pipeline, and the clean water tank discharges reclaimed water of a sewage treatment plant to a reclaimed water storage culture device through a drainage channel; the regenerated water conveying irrigation device is provided with a water pump and a regenerated water conveying pipe network, wherein the water pump is arranged in the regenerated water storage and culture device and is connected with the regenerated water conveying pipe network through a pipeline for agricultural irrigation; the pure water required by the electrolytic water hydrogen production device is taken from reclaimed water treated by the sewage treatment device, and hydrogen and oxygen are prepared by hydrolysis; the low-grade sewage source heat exchange unit utilizes a circulating pump to introduce sewage into a heat exchanger, collects and exchanges heat energy in the sewage, and provides heat for heating or refrigerating through a heat source pump;
the wind-solar-electricity collection device is used for collecting and storing green electricity and supplying the green electricity to sewage treatment; the sewage treatment device is used for purifying sewage to reach the recycling standard; the sludge recycling device is used for treating sludge in water; the enzymolysis device is used for carrying out enzymolysis treatment on the excess sludge to generate a carbon source; the reclaimed water storage and culture device is used for storing reclaimed water generated by a sewage treatment plant in a regulating and storing mode, the regulating and storing and regenerating reservoir can be used for agricultural irrigation, and meanwhile the regulating and storing and regenerating reservoir can be used for aquaculture to increase the utilization value of the reclaimed water.
2. The urban new energy complex according to claim 1, wherein the wind-solar-electricity collection device is provided with a photovoltaic power generation device, a wind power generation device and a wind-solar-electricity regulation system, and the wind-solar-electricity regulation system is electrically connected with the photovoltaic power generation device and the wind power generation device respectively; the wind-solar-electricity collection device is connected with the power supply system of the sewage treatment device and the electrolytic water hydrogen production device through an electric power transmission line, and the wind-solar-electricity regulation and control system stores or invokes electric energy collected by the photovoltaic power generation device and the wind power generation device according to the peak-valley power utilization time period of the national power grid.
3. The urban new energy complex according to claim 1, wherein the sewage treatment device is provided with a pretreatment device, a biochemical treatment device, an advanced treatment device, a purification device and a regeneration water tank which are connected in sequence; the biochemical treatment device adopts an activated sludge method, and microorganisms degrade organic pollutants through metabolism.
4. The urban new energy complex according to claim 3, wherein the sludge recycling device is provided with an ozone blending reactor, an enzymolysis device and a carbon source recycling device, the sewage treatment device is connected with the ozone blending reactor through a pipeline, the ozone blending reactor is connected with the enzymolysis device through a pipeline, and the enzymolysis device is connected with the carbon source recycling device through a pipeline; the ozone blending reactor is provided with an ozone generator and a high-efficiency gas-liquid blending reactor, the ozone generator generates ozone, the high-efficiency gas-liquid blending reactor is used for fully contacting and reacting the ozone with the sludge, hydroxyl free radicals of the ozone oxidize and disintegrate to destroy microorganisms in the sludge, release intracellular substances and remove metal ions at the same time; the enzymolysis device is used for carrying out enzymolysis reaction on the sludge treated by the ozone blending reactor; the carbon source recycling device supplies a carbon source.
5. The urban new energy complex according to claim 1, wherein the reclaimed water storage culture device is provided with a water source supplementing pump station, a sewage discharging system and a water quality on-line monitoring system, the water source supplementing pump station is arranged in the sewage treatment device to supplement the reclaimed water storage culture device with water source, a water taking point of the sewage discharging system is arranged at the bottom of the reclaimed water storage culture device, a water outlet of the sewage discharging system is discharged into the sewage treatment device through a pipeline, a water quality on-line detecting system is arranged in the reclaimed water storage culture device at multiple points, and the starting and stopping of the water source supplementing pump station and the sewage discharging system are controlled by analyzing the water quality condition through a computer; the reclaimed water storage and culture device is a steel structure box body, a reinforced concrete tank body, a reservoir or a pond.
6. The urban new energy complex according to claim 1, wherein the low-grade sewage source heat exchange unit is provided with a sewage heat source exchange device and a switchable heating and refrigerating device, the sewage heat source exchange device extracts heat from sewage through a circulating pump, and the extracted heat exchanges heat in a heat exchanger through a heat source pump.
7. The urban new energy complex according to claim 1, wherein the reclaimed water conveying irrigation device is directly connected with a reclaimed water storage culture device or connected with a reclaimed water pond of a sewage treatment plant, and reclaimed water is conveyed to an existing farm irrigation facility for agricultural irrigation through a water conservancy conveying pipeline, a ditch and a river channel.
8. The urban new energy complex according to claim 3, wherein the electrolytic water hydrogen production device is provided with an oxygen collection device and a hydrogen collection device, and the electrolytic water hydrogen production device is used for preparing hydrogen and oxygen by electrolysis after purifying reclaimed water of a sewage plant, and the hydrogen can be used for industry or doped into a natural gas system; the oxygen is used for preparing ozone for disinfection by a biochemical treatment device of a sewage treatment plant; the oxygen required for the metabolism of the microorganisms is supplied from the oxygen collection device.
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| CN202321133244.8U CN220618712U (en) | 2023-05-09 | 2023-05-09 | Urban new energy complex |
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