Wind-solar complementary distributed domestic sewage treatment system

Abstract

The utility model discloses a wind-solar complementary distributed domestic sewage treatment system which comprises a sewage treatment unit, the sewage treatment unit is supplied with energy by adopting a wind-solar complementary energy supply unit, and the sewage treatment unit is remotely controlled and managed by adopting an intelligent management platform unit. The wind-solar complementary distributed energy supply unit is adopted to provide electric energy for the sewage treatment unit, the intelligent management platform unit assists in wind-solar complementary intelligent control, and the wind-solar complementary controller receives the electric energy generated by the wind driven generator and the solar panel and charges the storage battery pack, so that the electric energy is stored, and the sewage treatment unit is powered by the wind-solar complementary controller. The inverter converts direct current stored in the storage battery into alternating current for sewage treatment facilities to operate, the most sufficient natural energy solar energy and wind in the local are used as main energy for sewage treatment, and the complementarity of the solar energy and the wind energy in time enables the wind-solar complementary power generation system to have good matching performance in resource distribution.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, especially wind and light complementary decentralized domestic sewage treatment system. BACKGROUND

[0002] During the "Thirteenth Five-Year", the rural domestic sewage treatment has made great progress. During the "Fourteenth Five-Year", the coverage of rural sewage treatment continues to expand, and most of the rural domestic sewage has been effectively treated. However, the idle problem of rural domestic sewage treatment facilities is prominent in some areas, and the task of preventing and controlling rural environmental pollution is arduous. The reasons are that the process equipment is not properly selected, the construction standard is low, the management efficiency is low, and the operation and maintenance cost is high. Therefore, selecting low-energy, intelligent, easy-to-maintain, and suitable process sewage treatment technology is to improve the overall level of rural sewage treatment in our province.

[0003] The technical upgrading of rural domestic sewage treatment facilities first optimizes the process technology, fits the characteristics of rural sewage, combines biological and ecological modes, adopts new energy supply methods, and realizes carbon and nitrogen reduction in the whole process. The operation and management should realize high automation, simple management, low maintenance, low operation and management, and technical requirements. The Internet of Things technology is fully applied, and the new management mode is advocated to improve the management of rural sewage treatment facilities.

[0004] The existing rural sewage treatment system has low intelligentization degree, improper process selection and low energy utilization rate.

[0005] A kind of off-grid sewage treatment system based on wind and light complementary energy supply disclosed in the Chinese patent document with publication number CN216687845U provides a kind of off-grid sewage treatment system based on wind and light complementary energy supply, the system includes domestic sewage collection system, electric control system, double transport septic tank, integrated sewage treatment equipment, wind and light complementary system and electric control system;Domestic sewage collection system includes several drainage units and collection pipe, drainage unit is connected to sewage main by collection pipe, and drainage unit is connected in parallel;Sewage main is connected to double transport septic tank, and the water outlet of double transport septic tank is connected to integrated sewage treatment equipment;Integrated sewage treatment equipment is connected to on-line monitoring table, air pump and ozone generator, and wind and light complementary system is connected to electric control system to supply power to the above-mentioned equipment.The system runs stably, has low energy consumption, high sewage treatment rate, low operation cost, does not need to discharge mud, the effluent is stable, can be monitored online, but the off-grid control system is used in the off-grid sewage treatment system based on wind and light complementary energy supply, and the remote monitoring, fault diagnosis and intelligent control function based on Internet are poor.

[0006] In order to solve the problems existing in the prior art, the wind and light complementary decentralized domestic sewage treatment system is a problem worth studying. Utility model content

[0007] The utility model discloses a wind-solar complementary decentralized domestic sewage treatment system, which realizes low energy consumption, intelligence, easy maintenance and suitable process.

[0008] The utility model discloses a wind-solar complementary decentralized domestic sewage treatment system, which realizes low energy consumption, intelligence, easy maintenance and suitable process.

[0009] The wind-solar complementary decentralized domestic sewage treatment system comprises a sewage treatment unit, and the sewage treatment unit is powered by a wind-solar complementary energy supply unit.

[0010] The wind-solar complementary energy supply unit comprises a solar panel assembly, a fan generator assembly, a wind-solar complementary controller electrically connected with the solar panel assembly and the fan generator assembly respectively, a storage battery group electrically connected with the wind-solar complementary controller, and an inverter electrically connected with the storage battery group.

[0011] The wind-solar complementary energy supply unit is remotely controlled through signal connection between the wind-solar complementary controller and the intelligent management platform unit via 4G\5G signals.

[0012] The wind-solar complementary energy supply unit is electrically connected with the sewage treatment unit through the inverter to provide electric energy for the sewage treatment unit.

[0013] The sewage treatment unit comprises a denitration pool, an anaerobic pool, an anoxic pool, an aerobic pool, a medium sedimentation pool, a biological filter pool and a secondary sedimentation pool connected in sequence, and pipeline equipment arranged between the treatment pools and aeration assemblies of the treatment pools.

[0014] The sewage treatment unit further comprises an adjusting pool, and the adjusting pool is internally provided with a lifting pump.

[0015] The sewage treatment unit further comprises a denitrification intensifier and a dephosphorization intensifier.

[0016] The aeration components include aeration blowers, which are connected to the denitrification tank, anaerobic tank, anoxic tank, aerobic tank, intermediate sedimentation tank, biological filter, and secondary sedimentation tank via aeration pipes. The aim is to solve the sludge age contradiction between nitrifying bacteria and polyphosphate-accumulating bacteria in the traditional AO process, overcome the defects of denitrifying bacteria and polyphosphate-accumulating bacteria competing for carbon sources in the anaerobic zone, and achieve a comprehensive effect of efficient removal of SS, CODcr, BOD, nitrogen removal, and phosphorus removal.

[0017] The intelligent management platform unit includes an intelligent energy management system and an intelligent operation and maintenance management system. The intelligent management platform unit balances the energy supply relationship of the wind-solar hybrid energy supply unit through the intelligent energy management system. The intelligent management platform unit connects the sewage treatment unit to the cloud platform through the intelligent operation and maintenance management system. Through intelligent terminals such as PCs, smartphones or PADs, the operating status of rural domestic sewage treatment equipment can be monitored anytime and anywhere, and online information sharing for supervision and operation can be completed, enabling real-time management, control and operation and maintenance services.

[0018] Positive and beneficial effects:

[0019] 1. This wind-solar hybrid decentralized domestic sewage treatment system has excellent matching between solar and wind power in terms of time complementarity, making it the best power supply for rural domestic sewage treatment systems in terms of resource distribution.

[0020] 2. This wind-solar hybrid decentralized domestic sewage treatment system adopts a microbial treatment process, which eliminates the need for adding bacteria and chemical agents. Combined with the wind-solar hybrid energy supply model, it achieves zero operating electricity costs.

[0021] 3. This wind-solar hybrid decentralized domestic wastewater treatment system allows staff to monitor equipment operating status and records at any time via computer / mobile app. It enables remote and rapid troubleshooting, parameter modification, and remote start-up / shutdown, improving work efficiency and convenience. Attached Figure Description

[0022] Fig. 1 This is a schematic diagram of the wind-solar hybrid energy supply of this utility model;

[0023] Fig. 2 This is a schematic diagram of the wastewater treatment process of this utility model;

[0024] Fig. 3 This is a system network architecture diagram of this utility model.

[0025] In the figure: A-wastewater treatment unit, B-wind-solar complementary energy supply unit, C-intelligent management platform unit, 1-solar panel assembly, 2-wind turbine generator assembly, 3-wind-solar complementary controller, 4-battery pack, 5-inverter, 6-pre-denitrification tank, 7-anaerobic tank, 8-anoxic tank, 9-aerobic tank, 10-intermediate sedimentation tank, 11-biological filter tank, 12-secondary sedimentation tank, 13-enhanced phosphorus removal device, 14-enhanced nitrogen removal device, 15-regulating tank, 16-aeration fan. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. Embodiment 1

[0027] As shown in Figs. 1 to 3 , the wind-solar complementary decentralized domestic sewage treatment system comprises a wastewater treatment unit A, the wastewater treatment unit A is powered by a wind-solar complementary energy supply unit B, and the wastewater treatment unit A is remotely controlled and managed by an intelligent management platform unit C.

[0028] As shown in Fig. 1 , the wind-solar complementary energy supply unit B comprises a solar panel assembly 1, a wind turbine generator assembly 2, a wind-solar complementary controller 3 electrically connected with the solar panel assembly 1 and the wind turbine generator assembly 2 respectively, a battery pack 4 electrically connected with the wind-solar complementary controller 3, and an inverter 5 electrically connected with the battery pack 4.

[0029] The wind-solar complementary energy supply unit B is remotely controlled by the wind-solar complementary controller 3 and the 4G\5G signal connected with the intelligent management platform unit C, and the wastewater treatment unit A is remotely controlled by the intelligent domestic sewage treatment equipment and the 4G\5G signal connected with the intelligent management platform unit C.

[0030] The wind-solar complementary energy supply unit B is electrically connected to the sewage treatment unit A through an inverter to provide power for the sewage treatment unit B, and the intelligent management platform unit C is used to assist in the intelligent control of the wind-solar complementary energy supply unit, the wind-solar complementary controller receives the power generated by the wind turbine and the solar panel, charges the battery pack, and stores the power, the inverter converts the direct current stored in the battery into alternating current to supply the sewage treatment facility, and the wind-solar complementary power generation system is the best power supply for the rural domestic sewage treatment system in terms of resource conditions, because the wind-solar complementary power generation system relies on the most abundant natural energy, i.e., solar energy and wind energy, as the main energy source for sewage treatment, and the complementarity of solar energy and wind energy in time makes the wind-solar complementary power generation system have good matching in resource distribution.

[0031] The wind-solar complementary intelligent energy management system is developed through the Internet of Things technology to monitor the parameters of wind power generation and photovoltaic power generation, the voltage and the power of the battery pack in real time, and to combine the operation state of the sewage treatment equipment to real-time regulate and control the balance of the supply side and the demand side, so as to solve the reliability and stability of the system.

[0032] As shown in Fig. 2 , the sewage treatment unit A includes a denitration tank 6, an anaerobic tank 7, an anoxic tank 8, an aerobic tank 9, a medium sedimentation tank 10, a biological filter tank 11, and a secondary sedimentation tank 12 connected in sequence, and pipeline equipment and aeration assemblies of the treatment tanks arranged between the treatment tanks;

[0033] The sewage treatment unit further includes a regulating tank 15, and the regulating tank 15 is internally provided with a lifting pump, and the regulating tank 15 sends sewage to the denitration tank through the lifting pump;

[0034] The sewage treatment unit further includes a denitrogenation strengthening device 14 and a dephosphorization strengthening device 13, the denitrogenation strengthening device 14 is in communication with the anaerobic tank 7, and the dephosphorization strengthening device 13 is in communication with the medium sedimentation tank 10.

[0035] The aeration assembly includes an aeration fan 16, and the aeration fan 16 is in communication with the denitration tank 6, the anaerobic tank 7, the anoxic tank 8, the aerobic tank 9, the medium sedimentation tank 10, the biological filter tank 11, and the secondary sedimentation tank 12 through aeration pipelines, and the aeration assembly combines the advantages of the traditional activated sludge method and the biological membrane method, adopts a microbial treatment process, does not need to add bacteria and chemical agents, and realizes zero operation electricity cost in combination with the wind-solar complementary energy supply mode, has excellent treatment effect on rural domestic sewage with high ammonia nitrogen and low carbon-nitrogen water quality, has strong pollution resistance, good impact resistance, and stable and reliable treatment effect.

[0036] As shown in Fig. 3As shown, the intelligent management platform unit C includes an intelligent energy management system and an intelligent operation and maintenance management system. The intelligent management platform unit C balances the energy supply relationship of the wind-solar complementary energy supply unit through the intelligent energy management system. The intelligent management platform unit C connects the sewage treatment unit A to the cloud platform through the intelligent operation and maintenance management system. Through the application of Internet of Things and 4G\5G signal technology to the remote management of the decentralized rural domestic sewage treatment equipment, an automatic processing platform based on Internet of Things technology is constructed. The data and information sent by the equipment are collected and summarized in real time. Through the intelligent terminal such as PC, smart phone or PAD, the running state of the rural domestic sewage treatment equipment can be grasped at any time and anywhere. The online information sharing of supervision and operation, real-time management and control and operation and maintenance service are completed.

[0037] Through the Internet of Things technology, the sewage treatment equipment is connected to the cloud platform through the edge computing gateway. The staff can understand the running state and running record of the equipment at any time through the computer / mobile phone APP. The remote rapid fault diagnosis, running parameter modification, equipment remote start / stop and other operations of the equipment are realized. The work efficiency and convenience are improved. The system can directly display the process flow and operation steps. The general personnel can complete the running operation through the mobile phone APP prompt, reduce the professional requirement of the operation and maintenance personnel, standardize the management and intelligently operate. Embodiment 2

[0038] The data of the equipment on the site are counted and filtered through the edge computing gateway and reported to the cloud platform for storage and record. Through the summary and analysis of the running data of the site, the management and operation of the sewage treatment site are comprehensively planned by the management personnel. Based on the statistical analysis of the running data, the expert control algorithm is developed. The running parameters of the equipment are automatically adjusted in real time and the running mode is switched according to different working conditions, so that the system is always in the best running state. When the equipment alarms, the system will push the alarm information through the short message, telephone, APP and other ways to immediately notify the equipment person in charge or the management personnel to handle the equipment accident. The fault site on the map will be marked with fault. The fault site can be quickly reached through the map navigation function. According to the formulated inspection and repair plan, fault information, the repair work order is automatically issued. The repair time, repair personnel, repair content, fault condition, spare parts used, price and other contents are recorded. Embodiment 3

[0039] For the rural domestic sewage treatment site, most of them are located at the edge of the village or far away from the residential area. Although the wired communication network is stable and reliable, the construction cost is very high. The domestic mobile network is developed and has realized the full coverage of rural 4G\5G signal network. The cost is low and stable and reliable. Therefore, the 4G / 5G network is selected as the network for data exchange and communication of the system.

[0040] Gateway is the bridge connecting sewage treatment facilities and platform data center, and is an important equipment for building data path. Sewage treatment equipment and detection instruments are different, and communication interface protocols are different. According to the principle of economy and universality, MQTT and MODBUS RTU protocol are selected as the system general protocol. According to the function of different platform architecture, it is divided into sensing layer, control layer, transmission layer, application layer and decision layer. Sensing layer collects various operation parameters by various sensors, control layer is realized by on-site PLC control system and actuator of sewage station, transmission layer completes data exchange between field equipment and cloud platform through gateway and wireless network; application layer realizes corresponding control function through cloud platform control sub module, and decision layer analyzes cloud data to provide management decision basis for function and management department.

Claims

1. A wind-solar complementary decentralized domestic sewage treatment system, comprising a sewage treatment unit (A), characterized in that: The sewage treatment unit (A) is powered by a wind-solar complementary energy supply unit (B), and the sewage treatment unit (A) is remotely controlled and managed by a smart management platform unit (C); the sewage treatment unit (A) comprises, in sequence, a denitration tank (6), an anaerobic tank (7), an anoxic tank (8), an aerobic tank (9), a medium sedimentation tank (10), a biological filter tank (11), and a secondary sedimentation tank (12), as well as pipeline equipment arranged between the treatment tanks and aeration assemblies of the treatment tanks; the sewage treatment unit further comprises an adjusting tank (15), and the adjusting tank (15) is internally provided with a lifting pump; the adjusting tank (15) sends sewage to the denitration tank (6) through the lifting pump.

2. The wind-solar complementary decentralized domestic sewage treatment system according to claim 1, characterized in that: The wind-solar complementary energy supply unit (B) comprises a solar panel assembly (1), a fan generator assembly (2), a wind-solar complementary controller (3) electrically connected with the solar panel assembly (1) and the fan generator assembly (2) respectively, a battery pack (4) electrically connected with the wind-solar complementary controller (3), and an inverter (5) electrically connected with the battery pack (4).

3. The wind-solar complementary decentralized domestic sewage treatment system according to claim 1, characterized in that: The wind-solar complementary energy supply unit (B) is remotely controlled by the wind-solar complementary controller (3) and 4G\5G signals and the signal connection with the smart management platform unit (C); the sewage treatment unit (A) is remotely controlled by the signal connection between the intelligent domestic sewage treatment equipment and the smart management platform unit (C) through 4G\5G signals.

4. The solar-wind complementary decentralized domestic sewage treatment system according to claim 1, 2 or 3, characterized in that: The wind-solar complementary energy supply unit (B) is electrically connected with the sewage treatment unit (A) through the inverter to provide electric energy for the sewage treatment unit (A).

5. The wind-solar complementary decentralized domestic sewage treatment system according to claim 1, characterized in that: The sewage treatment unit further comprises a denitrification strengthening device (14) and a phosphorus removal strengthening device (13); the denitrification strengthening device (14) is in communication with the anoxic tank (8) at the end of the anaerobic tank (7); and the phosphorus removal strengthening device (13) is in communication with the medium sedimentation tank (10).

6. The wind-solar complementary decentralized domestic sewage treatment system according to claim 1, characterized in that: The aeration assembly comprises an aeration fan (16), and the aeration fan (16) is in communication with the denitration tank (6), the anaerobic tank (7), the anoxic tank (8), the aerobic tank (9), the medium sedimentation tank (10), the biological filter tank (11), and the secondary sedimentation tank (12) through aeration pipelines respectively.

7. The wind-solar complementary decentralized domestic sewage treatment system according to claim 1, characterized in that: The smart management platform unit (C) comprises a smart energy management system and a smart operation and maintenance management system; the smart management platform unit (C) balances the energy supply relationship of the wind-solar complementary energy supply unit through the smart energy management system; and the smart management platform unit (C) connects the sewage treatment unit (A) to a cloud platform through the smart operation and maintenance management system.

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