CN107954575B - Rural domestic sewage treatment device of green intelligent - Google Patents

Rural domestic sewage treatment device of green intelligent Download PDF

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Publication number
CN107954575B
CN107954575B CN201711235135.6A CN201711235135A CN107954575B CN 107954575 B CN107954575 B CN 107954575B CN 201711235135 A CN201711235135 A CN 201711235135A CN 107954575 B CN107954575 B CN 107954575B
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water
tank
outlet
ball valve
heat exchange
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CN107954575A (en
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梁吉艳
邹成龙
崔丽
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Shenyang University of Technology
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Shenyang University of Technology
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
    • 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
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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
    • C02F2209/22—O2
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/42—Liquid level
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • 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
    • 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
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1268—Membrane bioreactor systems
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention discloses a green intelligent rural domestic sewage treatment device. The device comprises a solar power generation and supply system, a solar heat supply and insulation system, a sewage treatment integrated reactor and an intelligent remote control system. Mainly uses a solar power generation and supply system to supply power to electric appliances such as an air pump, a water pump and the like, thereby saving energy; heating aeration air by using a solar heat supply and insulation system and insulating a biochemical reactor; the sewage treatment integrated reactor is a main sewage treatment device and adopts advanced treatment technology and integral design; the intelligent remote control system is mainly used for data collection, data transmission, remote monitoring and automatic device control. The technology and the device are used for rural domestic sewage treatment, and the intelligent operation and the Internet remote monitoring of the device can be realized by fully utilizing solar energy and reducing operation energy consumption, so that rural domestic sewage is effectively treated, and the assistance construction is beautiful and rural.

Description

Rural domestic sewage treatment device of green intelligent
Technical field: the invention relates to the technical field of rural domestic sewage, and mainly relates to a technical method for treating biochemical domestic sewage, a solar power generation and power supply system technology, a solar heat supply and heat preservation system and an automatic control and Internet remote control technology.
The background technology is as follows: with the rapid development of villages and towns and the improvement of vast rural economy and living standard in China, the discharge amount of rural domestic sewage is continuously increased, and the treatment of the sewage is under great pressure. At present, the country is greatly pushing for beautiful rural construction, and the proper treatment of rural sewage is of great importance.
The invention provides a domestic sewage treatment technology and equipment, which can ensure the ecological environment of rural areas. The solar power generation technology is applied to small-range power supply and has been studied and applied, and the introduction of the solar power generation technology for rural domestic sewage treatment is beneficial to reducing the consumption of commercial power; solar water heaters are widely used, and solar water heating systems are introduced into rural domestic sewage treatment to provide heat and raise a certain water temperature so as to ensure biochemical effects; the heat recovery by convection is widely applied in industries such as chemical production, and the heat recovery by the heat exchange unit designed by the technical device is also beneficial to raising the temperature of the sewage treatment process so as to ensure the biochemical effect. Rural domestic sewage is a decentralized processing device, is distributed in each village, is not easy to operate and maintain, and the technology and the device realize automatic operation and remote monitoring of the device through an intelligent remote control system.
The invention comprises the following steps:
the invention aims to: the invention aims to overcome the defects of the prior art, and provides a green intelligent rural domestic sewage treatment technology and equipment, which can realize solar power supply to reduce the consumption of commercial power and realize solar power supply and intelligent switching of the commercial power; realizing solar heating, and supplementing heat for the sewage treatment system in a low-temperature season to ensure the temperature of the system; the energy recovery purpose is achieved by heating the treated reclaimed water to the raw sewage through design; the intelligent remote control system is designed to realize automatic operation and remote control of the device.
The advantages and effects: the device is used for rural sewage treatment, solar energy can be fully utilized, operation energy consumption is reduced, intelligent operation of the device and internet remote monitoring are realized by the device, and rural domestic sewage construction beauty village is effectively treated.
The technical scheme is as follows:
the utility model provides a rural domestic sewage treatment device of green intelligence which characterized in that:
comprising the following steps:
the solar power generation and supply system is used for supplying power to the air pump and the water pump;
the solar heat supply and insulation system is used for heating air and insulating the biochemical reactor;
a sewage treatment integrated reactor;
an intelligent remote control system;
the solar power generation and supply system comprises a solar panel, wherein the solar panel is connected to a storage battery pack through an inverter; the inverter is connected with a voltage and current monitor;
the solar heat supply and insulation system comprises a solar water heating pipe group and an insulation water storage tank connected with the solar water heating pipe group; a circulating water pump is arranged between the heat-insulating water storage tank and the solar water heating pipe group; the water-air heat exchanger is characterized by further comprising a water-air heat exchanger, wherein a water path interface of the water-air heat exchanger is connected to the heat-insulation water storage tank through a water supply pump, and the air path interface is connected with an air compressor;
the integrated sewage treatment reactor is externally wrapped with an insulating layer, and comprises: the sewage treatment device comprises a sewage storage tank, a sewage heat exchange tank, a hydrolysis acidification reaction tank, an MBR aerobic tank, a BAF filter tank and a disinfection tank;
the intelligent remote control system comprises a PLC programmable controller, wherein the PLC programmable controller is connected with a multipath temperature inspection instrument, a pH on-line monitor, a dissolved oxygen on-line monitor, a monitoring camera and a liquid level sensor input end.
The solar power generation and supply system further comprises a relay connected with the voltage and current monitor; the relay is connected with the mains supply contactor switch and the solar energy power supply contactor switch; the solar power supply contactor switch is connected with the inverter; the mains supply interface is connected to the voltage and current monitor through a first mains supply switch; the mains interface is connected with the second mains power supply switch and the mains power supply contactor switch.
In the solar heat supply and insulation system, a first temperature sensor and a first liquid level meter are arranged on an insulation water storage tank; a water inlet at the upper part of the heat-preservation water storage tank is provided with a first electric ball valve; and a first manual gate valve, a second electric ball valve and a second manual gate valve are arranged between the air compressor and the water-air heat exchanger.
In the integrated sewage treatment reactor, a submersible pump is arranged in a sewage storage tank, and an outlet of the submersible pump is provided with an electromagnetic flowmeter and is connected with an inlet of a first two-position three-way electric ball valve; one outlet of the first two-position three-way electric ball valve is connected with the inlet of the sewage heat exchange tank, and the other outlet of the first two-position three-way electric ball valve is connected with one inlet of the second two-position three-way electric ball valve; the sewage storage tank is provided with a second temperature sensor and is connected to the intelligent remote control system, and the sewage storage tank is provided with a second liquid level meter.
The outside of the sewage heat exchange pool is wrapped by an asbestos heat preservation layer, a second stainless steel heat exchange connecting coil pipe is arranged in the sewage heat exchange pool, a water inlet and a ball valve are arranged at the lower part of the sewage heat exchange pool, a water outlet is arranged at the upper part of the sewage heat exchange pool, and the water outlet is provided with a second two-position three-way electric ball valve and is connected with the other inlet; the outlet of the second two-position three-way electric ball valve is connected with the hydrolysis acidification tank; the inlet of the second stainless steel heat exchange connecting coil pipe is connected with one outlet of the fourth two-position three-way electric ball valve, and the outlet of the second stainless steel heat exchange connecting coil pipe is connected with the disinfection tank; the sewage heat exchange tank is provided with a third temperature sensor and is connected to an intelligent remote control system.
The bottom of the hydrolysis acidification tank is provided with a diving stirring device, chi Zhongzhuang is provided with a first stainless steel heat exchange connecting coil pipe, a water inlet of the first stainless steel heat exchange connecting coil pipe is connected with a water outlet of the water-gas heat exchanger, a water outlet of the first stainless steel heat exchange connecting coil pipe is connected with a water inlet of the heat preservation water storage tank, and a hydrolysis acidification Chi Zhongzhuang is provided with a fourth temperature sensor and a pH probe and is connected with an intelligent remote control system.
The upper part of the hydrolysis acidification tank is provided with a water outlet and is connected to the bottom of the MBR aerobic tank through a pipeline; an aeration pipeline is arranged at the bottom of the MBR aerobic tank and is connected with an air channel outlet of the water-gas heat exchanger; the aerobic tank is provided with an MBR (membrane biological reactor) membrane assembly, an outlet of the membrane assembly is provided with a self-priming pump, a water inlet is connected with an outlet of the MBR assembly, an outlet is connected with a water distributor interface at the top of the BAF sand filter, and sewage is pumped out through the self-priming pump and enters the BAF sand filter; the MBR aerobic tank is provided with a fifth temperature sensor and a dissolved oxygen probe and is connected with an intelligent remote control system; the MBR aerobic tank is provided with an electric diaphragm pump, the electric diaphragm pump is provided with a fifth two-position three-way electric ball valve, one path of outlet of the fifth two-position three-way electric ball valve is connected with a sludge return pipe to the hydrolysis acidification tank, and the other path of outlet is used for discharging residual sludge.
The bottom of the BAF filter is provided with a water storage tank and is provided with a centrifugal pump, the outlet of the centrifugal pump is provided with a third two-position three-way electric ball valve, one outlet is connected with the water inlet of the MBR membrane module and used for backwashing the MBR membrane module, and the other outlet is connected with a fourth two-position three-way electric ball valve; one outlet of the fourth two-position three-way electric ball valve is connected with a water inlet of a second stainless steel heat exchange connecting coil pipe set of the sewage heat exchange tank, and the other outlet is connected with a water inlet of the disinfection tank; one path of the third two-position three-way electric ball valve and the fourth two-position three-way electric ball valve enter an MBR membrane module for flushing or enter a heat exchange tank for heat exchange with sewage or directly enter a disinfection tank; the BAF filter tank is provided with a sixth temperature sensor and a third liquid level meter and is connected with an intelligent remote control system.
The intelligent remote control system is specifically a multipath temperature inspection instrument, pH on-line monitoring, dissolved oxygen on-line monitoring, a monitoring camera, a liquid level sensor input end, a remote communication module, a mains supply switch and a power supply, a solar power supply system access switch, an intermediate relay, an output control contactor and a wiring terminal which are controlled by a PLC.
The advantages and effects: the technology and the device are used for rural domestic sewage treatment, and the intelligent operation and the Internet remote monitoring of the device can be realized by fully utilizing solar energy and reducing operation energy consumption, so that rural domestic sewage is effectively treated, and the assistance construction is beautiful and rural.
Description of the drawings:
FIG. 1 is a schematic diagram of a solar power generation and supply system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a solar heat supply and insulation system according to an embodiment of the present invention;
FIG. 3 is a schematic view of a sewage treatment reactor integrated device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an intelligent remote control system according to an embodiment of the present invention.
101-a solar panel; 102-an inverter; 103-a battery pack; 104-a mains interface; 105-voltage current monitor; 106-a relay; 107-a first mains supply switch; 108-a second mains supply switch; 109-mains supply contactor switch; 110-solar powered contactor switch.
201-a solar water heating tube group; 202-a circulating water pump; 203-a heat-preserving water storage tank; 204-a water supply pump; 205-a first temperature sensor; 206-a first level gauge; 207-water inlet; 208-a first electrically powered ball valve; 209-an air compressor; 210-water-gas heat exchanger; 211-a first manual gate valve; 212-a second electric ball valve; 213-a second manual gate valve; 214-waterway outlet; 215-gas path outlet.
301-a sewage storage tank; 302-a sewage heat exchange pool; 303-a hydrolytic acidification reaction tank; 304-an MBR aerobic tank; 305-BAF filter; 306-a disinfection tank; 307-submersible pump; 308-electromagnetic flowmeter; 309-first two-position three-way electric ball valve; 310-a second two-position three-way electric ball valve; 311-third two-position three-way electric ball valve; 312-a fourth two-position three-way electric ball valve; 313-a fifth two-position three-way electric ball valve; 314-an electric diaphragm pump; 315-self priming pump; 316-clean water pump; 317-first stainless steel heat exchange coiled tubing; 318-connecting a coil water inlet; 319-connecting a coil pipe water outlet; 320-diving and stirring; 321-an aeration pipeline; 322-MBR membrane module; 323-aeration head; 324-a second temperature sensor; 325-second level gauge; 326-a third temperature sensor; 327-a fourth temperature sensor; 328-pH probe; 329-a fifth temperature sensor; 330-dissolved oxygen probe; 331-sixth temperature sensor; 332-a third level gauge; 333-second stainless steel heat exchange coupling coil.
401-a PLC programmable controller; 402-a multi-path temperature patrol instrument; 403-pH on-line monitoring; 404-on-line monitoring of dissolved oxygen; 405-monitoring cameras; 406—a level sensor input; 407-a telecommunications module; 408-mains supply switch and power supply; 409-solar power supply system access switch; 410-an intermediate relay; 411-output control contactor and connection terminal.
The specific embodiment is as follows:
the device and the technology comprise a solar power generation and supply system, a solar heat supply and insulation system, a sewage treatment integrated reactor and an intelligent remote control system, and the embodiment of the invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a detailed description is given of a solar power generation and supply system of a unit system, which is mainly used for supplying power to an air pump and a water pump, and comprises a solar panel 101, an inverter 102, a storage battery pack 103, a voltage and current monitor 105, a relay 106 and other switches.
The electric energy generated by the solar cell 101 plate charges the storage battery 103 through the inverter 102, and the electric energy in the storage battery 103 also discharges through the inverter 102 to supply power to the air pump and the water pump; the voltage and current monitor 105 is used for monitoring the electric energy quality in the discharging process, is connected with the PLC401 and the relay 106, and is used for controlling the switching of the mains supply contactor switch 109 and the solar power supply contactor switch 110 through the relay 106, and when the voltage and current are lower than a set value, the solar power supply contactor switch 110 is closed, and the mains supply contactor switch 109 is started to supply power by mains supply; the system is provided with a first mains supply switch 107 and a second mains supply switch 108, the first mains supply switch 107 is turned on to supply power to the voltage current monitor 105, and the second mains supply switch 108 is turned on to supply power to the intelligent remote control system.
The solar heat supply and heat preservation system of the unit system is described in detail with reference to fig. 2, and the system is mainly used for heating aeration air and preserving heat of a biochemical reactor. The system mainly comprises a solar water heating pipe group 201, a circulating water pump 202, a heat preservation water storage tank 203, a water supply pump 204, a first temperature sensor 205 and a first liquid level meter 206, wherein a first electric ball valve 208 is arranged at a water inlet 207 at the upper part of the heat preservation water storage tank, and an air compressor 209, a water-air heat exchanger 210, a first manual gate valve 211, a second manual gate valve 213 and a second electric ball valve 212 are also assembled.
The system mainly utilizes a solar water heating pipe group 201 to heat water under the irradiation of the sun; the water in the solar water heating pipe group 201 and the water in the heat preservation water storage tank 203 are circularly flowed under the driving of the circulating water pump 202. The first liquid level meter 206 is arranged in the heat preservation water storage tank 203, is connected with the input end 406 of the liquid level sensor in the intelligent remote control system, and controls the first electric ball valve 208 (the electric ball valve 208 is connected with a tap water pipe) to be opened and closed through the intelligent remote control system so as to supplement water to ensure the liquid level of the heat preservation water storage tank 203, and is simultaneously used for protecting the water supply pump 204. The outlet of the system water supply pump 204 is connected with the waterway inlet of the water-gas heat exchanger 210, hot water in the heat preservation water storage tank 203 is supplied to the water-gas heat exchanger 210, and the water after heat exchange flows out through the waterway outlet 214, enters the hydrolytic acidification tank connecting coil 317 through the water inlet 418, and returns to the heat preservation water storage tank 203 through the water outlet 419. An outlet of an air compressor 209 in the system is provided with a first gate valve 211 and then is divided into two pipelines, wherein one pipeline is provided with a second electric ball valve 212, the outlet is connected with an air channel inlet of a water-air heat exchanger 210, and air after heat exchange flows out through an air channel outlet 215 and enters an aeration system 421 of an MBR aerobic tank 404 for aeration; the other path is provided with a second manual gate valve 213 for controlling the air quantity of the aeration head 423 in the disinfection tank 406.
Referring to fig. 3, the unit system sewage treatment reactor is described in detail as an integrated device, which is a main sewage treatment device and mainly comprises: a sewage storage tank 301, a sewage heat exchange tank 302, a hydrolytic acidification tank 303, an MBR aerobic tank 304, a BAF filter 305 and a disinfection tank 306. The sewage storage tank 301 is provided with a submersible pump 307, the outlet of the submersible pump 307 is provided with an electromagnetic flowmeter 308 and is connected with the inlet of a first two-position three-way electric ball valve 309, one outlet of the first two-position three-way electric ball valve 309 is connected with the inlet of the sewage heat exchange tank 302, and the other outlet of the first two-position three-way electric ball valve 309 is connected with one inlet of a second two-position three-way electric ball valve 310. The sewage storage tank is provided with a second temperature sensor 324, and the temperature is fed back to the intelligent remote control system, so that the wastewater in the water storage tank 301 specially used for realizing the two-position three-way electric ball valve is lifted by the submersible pump 307 and enters the sewage heat exchange tank 302 or the hydrolytic acidification reaction tank 303. The sewage reservoir 301 is provided with a second level gauge 325 for controlling the start and stop of the submersible pump 307.
The outside of the sewage heat exchange pool 302 is wrapped by an asbestos heat preservation layer, a second stainless steel heat exchange connecting coil 333 is arranged in the sewage heat exchange pool 302, a water inlet and a ball valve are arranged at the lower part of the sewage heat exchange pool 302, a water outlet is arranged at the upper part of the sewage heat exchange pool, a second two-position three-way electric ball valve 310 is arranged at the water outlet and is connected with the other inlet, and wastewater enters from the water inlet at the lower part and exits from the water outlet at the upper part. The outlet of the second two-position three-way electric ball valve 310 is connected with the hydrolytic acidification tank 303; the inlet of the second stainless steel heat exchange connecting coil 321 is connected with one outlet of the fourth two-position three-way electric ball valve 312, and the outlet of the second stainless steel heat exchange connecting coil 327 is connected with the disinfection tank 306. The wastewater heat exchange tank 302 is provided with a third temperature sensor 326 for implementing a temperature feedback intelligent remote control system. The BAF filter 305 effluent is heat exchanged with the wastewater in the wastewater heat exchange tank 302 to raise the water temperature.
The bottom of the hydrolysis acidification tank 303 is provided with a diving stirring 320, a first stainless steel heat exchange connecting coil 317 is arranged in the tank, a water inlet 318 of the hydrolysis acidification tank is connected with a water outlet 214 of the water-gas heat exchanger 210, a water outlet 319 of the hydrolysis acidification tank is connected with a water inlet 207 of the heat preservation water storage tank 203, and water in the heat preservation water storage tank 203 and sewage are subjected to heat exchange through the first stainless steel heat exchange connecting coil 317 so as to improve the temperature in the hydrolysis acidification tank 303; hydrolytic acidification Chi Zhongzhuang has a fourth temperature sensor 327 and pH probe 328 and is connected to an intelligent remote control system, feeding back temperature and pH to the control system in time.
The upper part of the hydrolysis acidification tank 303 is provided with a water outlet, sewage enters the bottom of the MBR aerobic tank 304 through the water outlet and a pipeline after being acidified, an aeration pipeline 321 is arranged at the bottom of the MBR aerobic tank 304, and the aeration pipeline 321 is connected with a gas path outlet 215 of the water-gas heat exchanger 210; the aerobic tank 304 is provided with an MBR membrane assembly 322, the outlet of the membrane assembly 322 is provided with a self-priming pump 315, the water inlet is connected with the outlet of the MBR assembly 322, the outlet is connected with the water distributor interface at the top of the BAF sand filter 305, and sewage is pumped out by the self-priming pump 315 and enters the BAF sand filter 305; the MBR aerobic tank 304 is provided with a fifth temperature sensor 329 and a dissolved oxygen probe 330, is connected with an intelligent remote control system, and timely feeds back water temperature and dissolved oxygen to the control system; the MBR aerobic tank 304 is provided with an electric diaphragm pump 314, the outlet of the electric diaphragm pump 314 is provided with a fifth two-position three-way electric ball valve 313, one outlet of the fifth two-position three-way electric ball valve 313 is used for connecting a sludge return pipe to return sludge to the hydrolysis-acidification tank 303, and the other outlet is used for discharging residual sludge.
The bottom of the BAF filter 305 is provided with a water storage tank and is provided with a centrifugal pump 316, the outlet of the centrifugal pump 316 is provided with a third two-position three-way electric ball valve 311, one outlet is connected with the water inlet of the MBR membrane module 322 and used for backwashing the MBR membrane module 322, and the other outlet is connected with a fourth two-position three-way electric ball valve 312; one outlet of the fourth two-position three-way electric ball valve 312 is connected with the water inlet of the second stainless steel heat exchange connecting coil pipe group 333 of the sewage heat exchange tank 302, and the other outlet is connected with the water inlet of the disinfection tank 306. The reclaimed water can enter the MBR membrane component 322 for flushing through the centrifugal pump 316, one path of the third two-position three-way electric ball valve 311 and the fourth two-position three-way electric ball valve 312, or enter the heat exchange tank 302 for heat exchange with the sewage, or directly enter the disinfection tank 306. The BAF filter tank 305 is provided with a sixth temperature sensor 331 and a third liquid level meter 332, and is connected with an intelligent remote control system, and the temperature and the liquid level are timely fed back to the control system.
The upper part of the disinfection tank 306 is provided with a water outlet, the bottom is provided with a water inlet and an exhaust valve, an aeration head 323 is arranged in the disinfection tank 306 and used for stirring wastewater, the aeration head 323 is connected with the outlet of the second manual gate valve 213 of the air compressor 209, and the water in the disinfection tank is stirred by aeration.
The control principle of the intelligent remote control system of the unit system will be described in detail with reference to fig. 4. The intelligent remote control system is mainly used for data collection, data transmission, remote monitoring and automatic device control, is controlled by the PLC401, and is connected with the mains supply switch and the power supply 408. The main components comprise a PLC (programmable logic controller) 401 and a multi-channel temperature inspection instrument 402; pH on-line monitoring 403; dissolved oxygen on-line monitoring 404; a monitoring camera 405; level sensor input 406; a remote communication module 407; a mains power switch and power supply 408; the solar power supply system is connected to a switch 409; an intermediate relay 410; the output controls the contactor and the connection terminal 411. The multi-path temperature inspection instrument 402 is connected with the temperature probes 205, 324, 326, 327, 329 and 331; the pH on-line monitoring 403 is connected with a pH probe 328; the dissolved oxygen on-line monitor 404 is connected with the dissolved oxygen probe 330; the level sensor input 406 is connected to each level sensor 206, 325, 332, which feeds data back in real time to the intelligent remote control system.
The intermediate relay 410 is connected to the PLC controller 401 and the output control contactor and the connection terminal 411. The solar power supply system access switch 409 is connected with a part of the switch of the output control contactor 411 and is used for supplying power to the circulating water pump 202, the water supply pump 204, the air compressor 209, the submersible pump 307, the electric diaphragm pump 314, the self-priming pump 315, the clean water pump 316 and the submersible stirring 320. The mains supply switch and power supply 408 is connected with the output control contactor 411 through a partial switch, and is used for supplying power to the first electric ball valve 208, the second electric ball valve 212, the first two-position three-way electric ball valve 309, the second two-position three-way electric ball valve 310, the third two-position three-way electric ball valve 311, the fourth two-position three-way electric ball valve 312 and the fifth two-position three-way electric ball valve 313.
The voltage and current monitor 105 is connected with the PLC401 in the control system, feeds back voltage and current data in the discharging process to the control system in real time, and controls the relay 106 to control the mains supply contactor switch 109 and the solar power supply contactor switch 110, when the voltage and current are lower than a set value, the solar power supply contactor switch 110 is closed, the mains supply contactor switch 109 is started, and when the power quality is raised to the set value, the solar power supply contactor switch 110 is started, and the mains supply contactor switch 109 is closed.
The first liquid level meter 206 is arranged in the heat preservation water storage tank 203 and is connected with the input end 406 of the liquid level sensor in the intelligent remote control system, the opening and closing of the first electric ball valve 208 are controlled by the intelligent remote control system to supplement water quantity so as to ensure the liquid level of the heat preservation water storage tank 203, and meanwhile, the water supply pump 204 is protected.
When the temperature measured by the fourth temperature sensor 327 of the hydrolysis acidification reaction tank 303 is lower than the set value T1, when the temperature measured by the first temperature sensor 205 of the heat preservation water storage tank 203 is higher than the temperature measured by the fourth temperature sensor 327, and when the liquid level measured by the first liquid level meter 206 of the heat preservation water storage tank 203 is higher than the limit value, the water supply pump 204 is started to supply heat to the system, otherwise, the water supply pump 204 is turned off. When the temperature measured by the fourth temperature sensor 327 of the hydrolysis acidification reaction tank 303 is higher than the set value T2, the water supply pump 204 is turned off to stop heating the system.
The dissolved oxygen in the MBR aerobic tank 304 is regulated by controlling the opening angle of the second electric ball valve 212 at the outlet of the air compressor 209, when the measured value of the dissolved oxygen probe 330 in the MBR aerobic tank 304 is lower than a set value, the opening angle of the second electric ball valve 212 is enlarged, and when the measured value of the dissolved oxygen probe 330 in the MBR aerobic tank 304 is higher than the set value, the opening angle of the second electric ball valve 212 is reduced.
The MBR aerobic tank 304 is provided with an electric diaphragm pump 314, a fifth two-position three-way electric ball valve 313 is arranged at the outlet of the electric diaphragm pump 314, and the rotation of the fifth two-position three-way electric ball valve 313 is controlled by an intelligent remote control system to control the backflow of sludge or the discharge of surplus sludge.
The bottom of the BAF filter tank 305 is provided with a water storage tank, a centrifugal pump 316 is arranged at the same time, a third two-position three-way electric ball valve 311 is arranged at the outlet of the centrifugal pump 316, one outlet is connected with the water inlet of the MBR membrane module 322 and is controlled by an intelligent remote control system to rotate by the third two-position three-way electric ball valve 311 for backwashing of the MBR membrane module 322, and the opening of the centrifugal pump 316 is limited by the liquid level. The outlet of the MBR aerobic tank 304 membrane module 322 is provided with a self-priming pump 315, sewage is pumped out by the self-priming pump 315 and enters the BAF sand filter 305, and the start and stop of the sewage are controlled by an intelligent remote control system (the sewage is closed before backwashing of the MBR membrane module 322)
When the temperature measured by the third temperature sensor 326 in the sewage heat exchanger 302 is lower than the set value T3 and lower than the temperature measured by the sixth temperature sensor 331 in the water storage tank of the BAF filter tank 305, the intelligent remote control system controls the fourth two-position three-way electric ball valve 312 to rotate so as to control the reclaimed water to pass through the second stainless steel heat exchange connecting coil group 333 in the sewage heat exchange tank 302. When the temperature measured by the third temperature sensor 326 in the sewage heat exchanger 302 is higher than the set value T3 or higher than the temperature measured by the sixth temperature sensor in the water storage tank of the BAF filter tank 305, the intelligent remote control system controls the fourth two-position three-way electric ball valve 312 to rotate so as to control the reclaimed water to directly enter the disinfection tank 306 without passing through the second stainless steel heat exchange coil group 333 in the sewage heat exchange tank 302.
When the temperature measured by the second temperature sensor 324 of the sewage storage tank 301 is lower than the set value T2 and lower than the temperature measured by the third temperature sensor 326 of the sewage heat exchanger 302, the intelligent remote control system controls the first two-position three-way electric ball valve 309 and the second two-position three-way electric ball valve 310 to rotate so as to control the sewage to pass through the sewage heat exchange tank 302. When the temperature measured by the second temperature sensor 324 of the sewage storage tank 301 is higher than the set value T4 or higher than the temperature measured by the third temperature sensor 326 of the sewage heat exchanger 302, the intelligent remote control system controls the first two-position three-way electric ball valve 309 and the second two-position three-way electric ball valve 310 to rotate so as to control the sewage to directly enter the hydrolytic acidification tank 303 without passing through the sewage heat exchange tank 302.
An electromagnetic flowmeter 308 at the outlet of the submersible pump 307 is connected with an intelligent remote control system PLC401, and the flow is fed back to the control system in real time; the system is provided with a monitoring camera for monitoring the image of the water treatment system; the system is also provided with a remote communication module 407 which is connected with the Internet, and timely feeds information back to a remote control system or an APP client through the Internet, so as to remotely monitor the processing system.

Claims (7)

1. The utility model provides a rural domestic sewage treatment device of green intelligence which characterized in that:
comprising the following steps:
the solar power generation and supply system is used for supplying power to the air pump and the water pump;
the solar heat supply and insulation system is used for heating air and insulating the biochemical reactor;
a sewage treatment integrated reactor;
an intelligent remote control system;
the solar power generation and supply system comprises a solar panel (101), wherein the solar panel is connected to a storage battery pack (103) through an inverter (102); the inverter is connected with a voltage and current monitor (105);
the solar heat supply and insulation system comprises a solar water heating pipe group (201) and an insulation water storage tank (203) connected with the solar water heating pipe group; a circulating water pump (202) is arranged between the heat-preserving water storage tank (203) and the solar water heating pipe group (201); the water-air heat exchanger is characterized by further comprising a water-air heat exchanger (210), wherein a water path interface of the water-air heat exchanger is connected to the heat-insulation water storage tank (203) through a water supply pump (204), and the air path interface is connected with an air compressor (209);
the integrated sewage treatment reactor is externally wrapped with an insulating layer, and comprises: a sewage storage tank (301), a sewage heat exchange tank (302), a hydrolytic acidification tank (303), an MBR aerobic tank (304), a BAF filter tank (305) and a disinfection tank (306);
the intelligent remote control system comprises a PLC (programmable logic controller) which is connected with a multi-path temperature inspection instrument (402), pH on-line monitoring (403), dissolved oxygen on-line monitoring (404), a monitoring camera (405) and a liquid level sensor input end (406);
the bottom of the hydrolysis acidification tank (303) is provided with a diving stirring device (320), the Chi Zhongzhuang is provided with a first stainless steel heat exchange connecting coil pipe (317), a water inlet (318) of the first stainless steel heat exchange connecting coil pipe is connected with a water outlet (214) of the water vapor heat exchanger (210), a water outlet (319) of the first stainless steel heat exchange connecting coil pipe is connected with a water inlet (207) of the heat preservation water storage tank (203), and a hydrolysis acidification Chi Zhongzhuang is provided with a fourth temperature sensor (327) and a pH probe (328) and is connected with an intelligent remote control system;
the upper part of the hydrolysis acidification tank (303) is provided with a water outlet and is connected to the bottom of the MBR aerobic tank (304) through a pipeline; an aeration pipeline (321) is arranged at the bottom of the MBR aerobic tank (304), and the aeration pipeline (321) is connected with a gas circuit outlet (215) of the water-gas heat exchanger (210); an MBR membrane module (322) is arranged on the aerobic tank (304), a self-priming pump (315) is arranged at the outlet of the membrane module (322), a water inlet is connected with the outlet of the MBR membrane module (322), the outlet is connected with a water distributor interface at the top of the BAF filter (305), and sewage is pumped out through the self-priming pump (315) and enters the BAF filter (305); the MBR aerobic tank (304) is provided with a fifth temperature sensor (329) and a dissolved oxygen probe (330) and is connected with an intelligent remote control system; the MBR aerobic tank (304) is provided with an electric diaphragm pump (314), the outlet of the electric diaphragm pump (314) is provided with a fifth two-position three-way electric ball valve (313), one outlet of the fifth two-position three-way electric ball valve (313) is connected with a sludge return pipe to the hydrolysis acidification tank (303), and the other outlet is used for discharging residual sludge.
2. The green intelligent rural domestic sewage treatment device according to claim 1, wherein: the solar power generation and supply system further comprises a relay (106) connected with the voltage and current monitor (105); the relay (106) is connected with a mains supply contactor switch (109) and a solar power supply contactor switch (110); the solar power supply contactor switch (110) is connected with the inverter (102); the mains interface (104) is connected to the voltage and current monitor (105) through a first mains supply switch (107); the mains interface (104) connects the second mains supply switch (108) and the mains supply contactor switch (109).
3. The green intelligent rural domestic sewage treatment device according to claim 1, wherein: in the solar heat supply and insulation system, a heat insulation water storage tank (203) is provided with a first temperature sensor (205) and a first liquid level meter (206); a first electric ball valve (208) is arranged at the water inlet (207) at the upper part of the heat-preservation water storage tank; a first manual gate valve (211), a second electric ball valve (212) and a second manual gate valve (213) are arranged between the air compressor (209) and the hydro-pneumatic heat exchanger (210).
4. The green intelligent rural domestic sewage treatment device according to claim 1, wherein: in the integrated sewage treatment reactor, a submersible pump (307) is arranged in a sewage storage tank (301), an electromagnetic flowmeter (308) is arranged at the outlet of the submersible pump, and the submersible pump is connected with the inlet of a first two-position three-way electric ball valve (309); one outlet of the first two-position three-way electric ball valve (309) is connected with the inlet of the sewage heat exchange tank (302), and the other outlet of the first two-position three-way electric ball valve (309) is connected with one inlet of the second two-position three-way electric ball valve (310); the sewage storage tank is provided with a second temperature sensor (324) and is connected to an intelligent remote control system, and the sewage storage tank (301) is provided with a second liquid level meter (325).
5. The green intelligent rural domestic sewage treatment device according to claim 1, wherein: the outside of the sewage heat exchange pool (302) is wrapped by an asbestos heat preservation layer, a second stainless steel heat exchange connecting coil pipe (333) is arranged in the sewage heat exchange pool, a water inlet and a ball valve are arranged at the lower part of the sewage heat exchange pool (302), a water outlet is arranged at the upper part of the sewage heat exchange pool, and the water outlet is provided with a second two-position three-way electric ball valve (310) and is connected with the other inlet; the outlet of the second two-position three-way electric ball valve (310) is connected with the hydrolysis acidification tank (303); an inlet of the second stainless steel heat exchange connecting coil pipe (333) is connected with one outlet of the fourth two-position three-way electric ball valve (312), and an outlet of the second stainless steel heat exchange connecting coil pipe (333) is connected with the disinfection tank (306); the wastewater heat exchange tank (302) is provided with a third temperature sensor (326) which is connected to an intelligent remote control system.
6. The green intelligent rural domestic sewage treatment device according to claim 1, wherein: the bottom of the BAF filter tank (305) is provided with a water storage tank, a centrifugal pump (316) is arranged at the same time, a third two-position three-way electric ball valve (311) is arranged at the outlet of the centrifugal pump (316), one outlet is connected with the water inlet of the MBR membrane module (322) and used for backwashing the MBR membrane module (322), and the other outlet is connected with a fourth two-position three-way electric ball valve (312); one outlet of the fourth two-position three-way electric ball valve (312) is connected with the water inlet of the second stainless steel heat exchange connecting coil pipe (333) of the sewage heat exchange tank (302), and the other outlet is connected with the water inlet of the disinfection tank (306); the sewage of one path of the third two-position three-way electric ball valve (311) and the fourth two-position three-way electric ball valve (312) enters an MBR membrane component (322) for flushing, or enters a heat exchange tank (302) for heat exchange with the sewage or directly enters a disinfection tank (306); the BAF filter tank (305) is provided with a sixth temperature sensor (331) and a third liquid level meter (332), and is connected with an intelligent remote control system.
7. The green intelligent rural domestic sewage treatment device according to claim 1, wherein: the intelligent remote control system is specifically composed of a multi-channel temperature inspection instrument (402), a pH on-line monitoring instrument (403), a dissolved oxygen on-line monitoring instrument (404), a monitoring camera (405), a liquid level sensor input end (406), a remote communication module (407), a mains supply switch and power supply (408), a solar power supply system access switch (409), an intermediate relay (410), an output control contactor and a wiring terminal (411), wherein the multi-channel temperature inspection instrument is controlled by a PLC (401).
CN201711235135.6A 2017-11-30 2017-11-30 Rural domestic sewage treatment device of green intelligent Active CN107954575B (en)

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CN109809643A (en) * 2019-03-21 2019-05-28 周鼎力 A kind of solar power supply apparatus of rural households' sewage treatment
CN112239308A (en) * 2020-09-09 2021-01-19 浙江钛合工程技术有限公司 Rural sewage treatment system and device of non-maintaining

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