CN111924971A - Integrated sewage treatment equipment based on SND and anaerobic fermentation technology - Google Patents
Integrated sewage treatment equipment based on SND and anaerobic fermentation technology Download PDFInfo
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- 238000000855 fermentation Methods 0.000 title claims abstract description 51
- 239000010865 sewage Substances 0.000 title claims abstract description 45
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 12
- 239000011574 phosphorus Substances 0.000 claims description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 2
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- 238000012163 sequencing technique Methods 0.000 abstract description 2
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- 244000144974 aquaculture Species 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
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- 238000005273 aeration Methods 0.000 description 2
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- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- 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
- C02F2209/03—Pressure
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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
- 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
- C02F2209/44—Time
-
- 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
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- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses an integrated sewage treatment device based on SND and anaerobic fermentation technology, which comprises an SBR device and a side-flow anaerobic fermentation tank, wherein the SBR device and the side-flow anaerobic fermentation tank are combined together through bolts, and the integrated sewage treatment device has the advantages of simple and convenient operation, small occupied area, high automation degree, excellent treatment effect, low cost and the like, can be widely applied to treatment of rural domestic sewage and aquaculture sewage, and is simple and convenient to operate: the equipment adopts a master controller consisting of a time controller and a temperature controller, greatly improves the automation level of the water treatment equipment, reduces the operation difficulty, and occupies small area: the sequencing batch type activated sludge process SBR device adopted by the equipment overcomes the defect that a plurality of treatment units in the traditional activated sludge process treatment flow have large occupied area, and further realizes the greater optimization of anaerobic nitrification and denitrification on the volume through the arrangement of the SBR device partition plate, so that the expandable degree is high.
Description
Technical Field
The invention belongs to the technical field of wastewater or sewage, and particularly relates to an integrated sewage treatment device based on SND and anaerobic fermentation technologies.
Background
Most of the existing sewage treatment in China aims at the fields of urban domestic sewage and industrial sewage, compared with the dispersed areas such as rural areas, the sewage is more concentrated, the equipment is larger, the sewage is discharged according to the standard and meets the requirements of regulations, the technology is advanced, but along with the continuous acceleration of the speed of novel urbanization in China, the population of the rural areas tends to concentrate, the living quality of residents is continuously improved, the discharge amount of the sewage in the rural areas is greatly increased, on the other hand, the treatment rate of the sewage is very low, most of the domestic sewage is directly discharged without treatment, the ecological environment of the rural areas is seriously influenced, the safety of drinking water of local residents is threatened, the pollution to downstream water is gradually highlighted, according to the investigation of 23 provinces and cities in the country by the national general office of environmental protection, 92% of natural villages have no sewage treatment equipment, 63% of the drinking water in, 90% of large-scale farms are lack of environmental impact evaluation, 60% of farms are lack of necessary sewage prevention and treatment measures, rural water environment becomes a major problem related to sustainable development of social economy in China, treatment of rural domestic sewage is enhanced, and the method is not only an important content and a component of new rural construction, but also an important measure for improving rural ecological environment and preventing and treating agricultural non-point source pollution.
The prior art has the following problems: however, domestic sewage in rural areas is dispersed, and is difficult to adopt industrial-grade large-scale sewage treatment equipment for centralized treatment, in the prior art, "201621300822.2 a small-sized domestic sewage treatment device" comprises a water collecting tank, a water pump, a purification tank, a water filtering plate and a water storage tank, and is combined with a complex transmission device, so that the structure is overstaffed, the operation is complex and is not suitable for being used in rural areas, the structure of a processor is greatly simplified in the prior art "201910029956.7 rural household miniaturized sewage treatment device", the operation cost and the operation difficulty are reduced, but the mature anaerobic-aeration-precipitation process still has the defects of complex structure, low operation automation degree and poor treatment effect.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an integrated sewage treatment device based on SND and anaerobic fermentation technologies, which has the characteristics of simple structure and high automation degree.
In order to achieve the purpose, the invention provides the following technical scheme: an integrated sewage treatment device based on SND and anaerobic fermentation technology comprises an SBR device and a side-flow anaerobic fermentation tank, wherein the SBR device and the side-flow anaerobic fermentation tank are combined together through bolts, an SBR device top cover at the top of the SBR device is fastened at the edge of the side wall of the SBR device through sliding, an SBR device clapboard inside the SBR device separates the inside of the SBR device into an SBR device small chamber and an SBR device big chamber, the SBR device small chamber and the SBR device big chamber are communicated with each other from top to bottom, the SBR device top cover is provided with a small hole right above the center of the SBR device big chamber and is provided with an air compressor installation outline which is provided with a small hole and a big inner diameter and is erected on the SBR device top cover, an air compressor is arranged in the air compressor installation outline, the bottom of the air compressor installation outline is provided with a gas rotor flow meter, the inside of the SBR device big chamber is provided with a hard air pressing pipe extending into the small hole from, SBR device top cap bottom plate central authorities are opened there is the aperture and are equipped with into mud pipe and solenoid valve thereof, SBR device cell curb plate is opened there is the aperture and is equipped with outlet pipe and its water pump, SBR device cell side board upper portion is opened there is the aperture and is equipped with into water pipe and its water pump, the fixed first water pump seat and the second water pump seat that are provided with on the SBR device shell body.
Preferably, the top cover of the side-flow anaerobic fermentation tank is a completely closed type and is provided with a small hole in the center, a low-speed motor is arranged on the side-flow anaerobic fermentation tank, a power shaft of the low-speed motor extends into the small hole and is provided with a stirrer, and the center of a bottom plate of the side-flow anaerobic fermentation tank is provided with a small hole and is provided with a high-phosphorus water pipe and an electromagnetic valve thereof.
Preferably, the SBR device and the side-flow anaerobic fermentation tank are connected through two sections of pipelines on the side wall, a first water pump and a second water pump are installed on the pipelines, and a flow meter and a pressure gauge are arranged on the pipelines.
Preferably, an ultraviolet disinfection lamp is arranged at the electromagnetic valve of the side plate of the SBR device.
Preferably, a first temperature probe and a first heating rod are installed on the side wall of the SBR device, and a second temperature probe and a second heating rod are installed on the side wall of the side-flow anaerobic fermentation tank.
Preferably, install total controller between SBR device and the bypass anaerobic fermentation jar, total controller comprises time controller and temperature controller, by the operation of time controller control solenoid valve, air compressor, water pump and low-speed motor, by first temperature probe of temperature controller control, first heating rod, second temperature probe and second heating rod.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an integrated sewage treatment device based on SND and anaerobic fermentation technology, which has the advantages of simple and convenient operation, small occupied area, high automation degree, excellent treatment effect, low cost and the like, can be widely applied to treatment of rural domestic sewage and breeding sewage, and is simple and convenient to operate: the equipment adopts a master controller consisting of a time controller and a temperature controller, greatly improves the automation level of the water treatment equipment, reduces the operation difficulty, and occupies small area: the sequencing batch type activated sludge process SBR device that equipment adopted has improved the big drawback of a plurality of processing unit area of traditional activated sludge process treatment procedure, has further realized that anaerobic nitrification and denitrification do bigger optimization to the volume through setting up of SBR device baffle, and the expandable degree is high: the degree of automation of equipment is high, is favorable to forming the treater array and combines remote control to be applied to scenes such as unmanned on duty processing station, and the treatment effect is excellent: by coupling advanced synchronous nitrification and denitrification and anaerobic fermentation phosphorus removal in the equipment, the equipment achieves a very good treatment effect.
Drawings
FIG. 1 is a schematic diagram showing the operation of some key steps of the present invention (a: reaction stage of SBR apparatus; b: precipitation stage of SBR apparatus; c: sludge feeding stage of side-stream anaerobic fermenter; d: precipitation stage of side-stream anaerobic fermenter);
FIG. 2 is an overview of the operation of the device of the present invention;
FIG. 3 is a perspective view of the main body of the apparatus of the present invention;
fig. 4 is a three-dimensional view of the apparatus main body device of the present invention.
In the figure: 1. a top cover of the SBR device; 2. a small chamber of the SBR device; 3. a SBR device large chamber; 4. a SBR device clapboard; 5. a side-stream anaerobic fermentor; 6. a water inlet pipe and a water pump thereof; 7. a water outlet pipe and a water pump thereof; 8. a mud inlet pipe and an electromagnetic valve thereof; 9. a high phosphorus outlet water pipe and an electromagnetic valve thereof; 10. an air compressor; 11. a gas rotameter; 12. a first temperature probe; 13. a first heating rod; 14. a low-speed motor; 15. a second temperature probe; 16. a second heating rod; 17. a master controller; 18. a first water pump; 19. a second water pump; 20. an air compressor mounting profile; 21. a first water pump mount; 22. a second water pump mount; 23. SBR device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: an integrated sewage treatment device based on SND and anaerobic fermentation technology comprises an SBR device 23 and a side-flow anaerobic fermentation tank 5, wherein the SBR device 23 and the side-flow anaerobic fermentation tank 5 are combined together through bolts, an SBR device top cover 1 at the top of the SBR device 23 is fastened on the edge of the side wall of the SBR device 23 through sliding, an SBR device clapboard 4 in the SBR device 23 separates the interior of the SBR device 23 into an SBR device small chamber 2 and an SBR device large chamber 3, the SBR device small chamber 2 and the SBR device large chamber 3 are communicated up and down, an air compressor installation outline 20 which is provided with a small hole and surrounds the small hole and has a smaller inner diameter and a larger hole is arranged right above the center of the SBR device large chamber 3 of the SBR device top cover 1 and stands on the SBR device top cover 1, an air compressor 10 is arranged in the air compressor installation outline 20, a gas rotor flowmeter 11 is arranged at the bottom of the air compressor installation outline 20, a hard air pressing pipe which extends from the small hole of the SBR device top cover 1 is, the center of the bottom plate of the top cover 1 of the SBR device is provided with a small hole and is provided with a mud inlet pipe and an electromagnetic valve 8 thereof, the side plate of the small chamber 2 of the SBR device is provided with a small hole and is provided with a water outlet pipe and a water pump 7 thereof, the upper part of the side plate of the large chamber 3 of the SBR device is provided with a small hole and is provided with a water inlet pipe and a water pump 6 thereof, and the outer shell of the SBR device 23 is fixedly provided with a first water pump.
In this embodiment, preferably, the top cover of the side-flow anaerobic fermentation tank 5 is completely closed and has a small hole in the center, and the side-flow anaerobic fermentation tank 5 is provided with a low-speed motor 14, a power shaft of the low-speed motor 14 extends into the small hole and is provided with a stirrer, and the center of the bottom plate of the side-flow anaerobic fermentation tank 5 is provided with a small hole and is provided with a high-phosphorus water outlet pipe and an electromagnetic valve 9 thereof.
In this embodiment, preferably, the SBR device 23 and the side-flow anaerobic fermentation tank 5 are connected by two sections of pipes on the side wall, and the pipes are provided with a first water pump 18 and a second water pump 19, and the pipes are provided with a flow meter and a pressure gauge.
In this embodiment, preferably, an ultraviolet disinfection lamp is disposed at the electromagnetic valve of the side plate of the SBR device 23.
In this embodiment, it is preferable that the SBR apparatus 23 is provided with a first temperature probe 12 and a first heating rod 13 on a side wall thereof, and the side wall of the side-stream anaerobic fermentation tank 5 is provided with a second temperature probe 15 and a second heating rod 16 thereon.
In this embodiment, preferably, a master controller 17 is installed between the SBR device 23 and the side-stream anaerobic fermentation tank 5, the master controller 17 is composed of a time controller and a temperature controller, the time controller controls the operation of the electromagnetic valve, the air compressor 10, the water pump and the low-speed motor 14, and the temperature controller controls the first temperature probe 12, the first heating rod 13, the second temperature probe 15 and the second heating rod 16.
The method for treating sewage by using the integrated sewage treatment equipment specifically comprises the following steps:
step one, domestic sewage is collected into a sewage collecting tank through a pipeline, large-particle solid impurities are isolated and then are sent into a large chamber 3 of an SBR device 23 through a sewage pump, and the large chamber is the water inlet stage of the SBR device 23;
secondly, under the action of an air compressor installation outline 20 and an air compressor 10 of the SBR device 23, sewage circulates in a large chamber 3 and a small chamber 2 of the SBR device to realize synchronous nitrification and denitrification, the sewage is continuously absorbed by activated sludge until reaching a pollution discharge standard, and in addition, the temperature in the SBR device 23 is monitored in real time by adjusting a first temperature probe 12 and a first heating rod 13, so that the temperature in the SBR device 23 is kept below forty ℃;
thirdly, with the gradual purification of the sewage, the SBR device 23 stops aeration when reaching a precipitation stage, so that the mixed solution is in a static state, and the activated sludge is separated from the water;
and fourthly, in the SBR device 23, supernatant generated after precipitation is used as treated water effluent, and sludge is used as precipitate and is retained in the SBR device 23.
Fifthly, transferring the sludge retained in the precipitation stage into a by-pass anaerobic fermentation tank 5 according to the volume of twenty percent of the by-pass flow, carrying out anaerobic fermentation phosphorus release, discharging supernatant liquid as high-phosphorus water after the phosphorus release stage is finished, and retaining the low-phosphorus sludge in the by-pass anaerobic fermentation tank 5.
Sixthly, the SBR device 23 is carried out in the next period after the drainage period, and the low-phosphorus sludge retained in the by-pass anaerobic fermentation tank 5 is exchanged with the sludge in the SBR device 23 at the end of the drainage period of the SBR device 23.
The working principle and the using process of the invention are as follows: the SBR device 23 and the side-stream anaerobic fermentation tank 5 are combined into a whole through bolts, the bolt combination is only convenient for transportation and storage, the disassembly of the SBR device and the treatment effect of the device are not changed, the connection bolts of the SBR device 23 and the side-stream anaerobic fermentation tank 5 of a plurality of devices can be disassembled, the recombination of a reactor is carried out, the treatment principle of the device is not changed, the device has the modularization characteristic, the top edge of the side wall of the SBR device 23 is provided with a boss, the SBR device top cover 1 is fastened on the boss at the top edge of the side wall of the SBR device 23 through sliding, the overhaul and maintenance of the device are facilitated, the monitoring and the detection of the sewage treatment process are facilitated, the SBR device 23 is internally provided with an SBR device clapboard 4 which partitions the interior of the SBR device 23 into an SBR device small chamber 2 and an SBR device large chamber 3, and the SBR device 2 is communicated with the SBR, the upper part communicating space is larger than the lower part communicating space, the oxygen diffusion path in the water body is changed by increasing the SBR device clapboard 4, the oxygen concentration difference between the small chamber 2 of the SBR device and the large chamber 3 of the SBR device is caused, so that the synchronous nitrification and denitrification are realized, the SBR device top cover 1 of the SBR device 23 is provided with a small hole right above the center of the large chamber 3 of the SBR device, an air compressor installation outline 20 which surrounds the small hole and has a small inner diameter and a large hole is arranged on the SBR device top cover 1, an air compressor 10 is arranged in the air compressor installation outline 20, a hard air pressing pipe extends into the large chamber 3 of the SBR device through the small hole, in order to achieve the purposes of improving the synchronous nitrification and denitrification effect and reducing the energy consumption, the equipment carries out aeration and basic stirring work through the air flow provided by the air compressor 10, the realization of the synchronous nitrification and denitrification can be promoted by the insufficient stirring to a certain degree, the center of the bottom plate of the SBR, the side plate of the small chamber 2 of the SBR device is provided with a small hole and is provided with a water outlet pipe and a water pump 7 thereof, the opening and closing of the small hole are controlled by an electromagnetic valve so as to control the flow of mud or water, and an interface is provided for more possible automatic control, the upper part of the side plate of the large chamber 3 of the SBR device is provided with a small hole and is provided with a water inlet pipe and a water pump 6 thereof so as to convey the sewage to be treated into equipment, the top cover of the side-flow anaerobic fermentation tank 5 is completely closed and is provided with a small hole at the center, a low-speed motor 14 is arranged on the top cover, a power shaft of the low-speed motor 14 extends into the small hole and is provided with a stirrer, so that the completely closed and uniform anaerobic environment is caused, the phosphorus-accumulating bacteria can be better enriched, and the phosphorus is fully released to be absorbed in the SBR device 23, thereby high-phosphorus water with high utilization value, the SBR device 23 is connected with the side-flow anaerobic fermentation tank 5 through two sections of pipelines on the side wall, a first water pump 18 and a second water pump 19 are arranged on the pipelines, sludge is circulated between the two treatment units according to a certain side-flow ratio through the pipelines at two ends and the pumps on the pipelines, meanwhile, a flow meter and a pressure gauge are arranged on the pipelines to detect the operation working conditions of the first water pump 18 and the second water pump 19 and improve the safety factor of equipment operation, an ultraviolet disinfection lamp is arranged at the electromagnetic valve of the side plate of the SBR device 23 to disinfect the treated water and improve the operation effect of the equipment, a first temperature probe 12 and a first heating rod 13 are arranged on the side wall of the SBR device 23, a second temperature probe 15 and a second heating rod 16 are arranged on the side wall of the side-flow anaerobic fermentation tank 5 to monitor the operation temperature of the equipment and regulate and control the temperature so as to influence the treatment effect, a general controller 17 is arranged between the SBR device 23 and the side-flow anaerobic fermentation tank, the master controller 17 is composed of a time controller and a temperature controller, the time controller controls the operation of the electromagnetic valve, the air compressor 10, the water pump and the low-speed motor 14, and the temperature controller controls the first temperature probe 12, the first heating rod 13, the second temperature probe 15 and the second heating rod 16, so that the automation degree is greatly improved, the operation difficulty is reduced, and the operation accuracy is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an integrate sewage treatment device based on SND and anaerobic fermentation technique, includes SBR device (23) and by-pass flow anaerobic fermentation jar (5), its characterized in that: SBR device (23) and bypass anaerobic fermentation jar (5) are in the same place through the bolt combination, SBR device top cap (1) at SBR device (23) top is through sliding the straining in SBR device (23) lateral wall edge, SBR device baffle (4) inside SBR device (23) cut off the inside of SBR device (23) for SBR device cell (2) and SBR device big room (3), SBR device cell (2) and SBR device big room (3) communicate from top to bottom, SBR device top cap (1) is located to open the aperture and is surrounded the aperture and have the air compressor installation outline (20) that the aperture is less in the aperture big room (3) center and stand on SBR device top cap (1), air compressor installation outline (20) is equipped with air compressor (10) in air compressor installation outline (20), the bottom of air compressor installation outline (20) is provided with gas rotor flow meter (11), the inside of SBR device locellus (3) is provided with the stereoplasm air-compression pipe that stretches into from the aperture of SBR device top cap (1), open SBR device top cap (1) bottom plate central authorities have the aperture and be equipped with into mud pipe and solenoid valve (8), SBR device locellus (2) curb plate is opened there is the aperture and is equipped with outlet pipe and water pump (7) thereof, open SBR device locellus (3) curb plate upper portion has the aperture and is equipped with inlet tube and water pump (6) thereof, the fixed first water pump seat (21) and second water pump seat (22) that are provided with on SBR device (23) shell body.
2. An integrated sewage treatment device based on SND and anaerobic fermentation technology according to claim 1, characterized in that: the top cover of the sidestream anaerobic fermentation tank (5) is a totally enclosed type and has a small hole in the center, and the sidestream anaerobic fermentation tank (5) is provided with a low-speed motor (14), a power shaft of the low-speed motor (14) stretches into the small hole and is provided with a stirrer, and the center of the bottom plate of the sidestream anaerobic fermentation tank (5) is provided with a small hole and a high-phosphorus water pipe and an electromagnetic valve (9) thereof.
3. An integrated sewage treatment device based on SND and anaerobic fermentation technology according to claim 1, characterized in that: SBR device (23) and side-stream anaerobic fermentation tank (5) are connected through two sections of pipelines on the lateral wall and are provided with a first water pump (18) and a second water pump (19), and the pipelines are provided with a flow meter and a pressure gauge.
4. An integrated sewage treatment device based on SND and anaerobic fermentation technology according to claim 1, characterized in that: and an ultraviolet disinfection lamp is arranged at the electromagnetic valve of the side plate of the SBR device (23).
5. An integrated sewage treatment device based on SND and anaerobic fermentation technology according to claim 1, characterized in that: install first temperature probe (12) and first heating rod (13) on the lateral wall of SBR device (23), install second temperature probe (15) and second heating rod (16) on the lateral wall of by-pass flow anaerobic fermentation jar (5).
6. An integrated sewage treatment device based on SND and anaerobic fermentation technology according to claim 1, characterized in that: install total controller (17) between SBR device (23) and bypass flow anaerobic fermentation tank (5), total controller (17) comprise time controller and temperature controller, by the operation of time controller control solenoid valve, air compressor (10), water pump and low-speed motor (14), by first temperature probe (12), first heating rod (13), second temperature probe (15) and second heating rod (16) of temperature controller control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675771.6A CN111924971A (en) | 2020-07-14 | 2020-07-14 | Integrated sewage treatment equipment based on SND and anaerobic fermentation technology |
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