CN211445427U - Novel high-efficient sewage deep purification processing system - Google Patents
Novel high-efficient sewage deep purification processing system Download PDFInfo
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- CN211445427U CN211445427U CN201922107359.XU CN201922107359U CN211445427U CN 211445427 U CN211445427 U CN 211445427U CN 201922107359 U CN201922107359 U CN 201922107359U CN 211445427 U CN211445427 U CN 211445427U
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Abstract
The utility model discloses a novel high-efficiency sewage deep purification treatment system, which comprises a grid well, a high-efficiency anaerobic bioreactor, an artificial wetland pool and an artificial rapid infiltration pool, wherein the domestic sewage treated by a septic tank in the grid well enters the high-efficiency anaerobic bioreactor after floating objects in the water are removed, the effluent of the high-efficiency anaerobic bioreactor is pumped into the artificial wetland pool through a lift pump, the sewage treated by the artificial wetland pool is discharged into a middle water pool, and the effluent of the high-efficiency anaerobic bioreactor is communicated with a water distribution pipeline on the surface of the artificial rapid infiltration pool through a pipeline; and the discharged water of the artificial rapid infiltration tank is discharged into a clean water tank and then is discharged through a pipeline. This novel high-efficient sewage advanced treatment system adopts high-efficient anaerobism biological treatment + constructed wetland and artifical rapid infiltration layer's combined technology, prolongs water conservancy dwell time greatly, has improved the degradation ability of anaerobic process to high concentration, the domestic sewage that contains difficult degradation pollutant, and sewage organic matter load greatly reduced after high-efficient anaerobic reactor handles effectively gets rid of ammonia nitrogen and phosphorus, removes the organic matter and the pollutant in the sewage, makes out water quality of water up to standard.
Description
Technical Field
The utility model belongs to the technical field of high-efficient sewage deep purification processing system, concretely relates to novel high-efficient sewage deep purification processing system.
Background
Along with the urbanization process and the increasing population quantity of China, the domestic water consumption and the industrial water consumption are also increasing, various sewage discharge phenomena are increasingly aggravated, and the water pollution condition is serious. In the face of limited water resources, how to effectively treat and recycle sewage is very urgent to solve the increasingly serious water source exhaustion current situation. In view of the current development situation, in the aspect of sewage treatment of medium and small cities, a sewage treatment technology and equipment suitable for the actual national conditions of China are lacked, and the capital and management experience are lacked. Therefore, it is imperative to explore and develop sewage treatment technologies for medium and small cities (towns) suitable for the national conditions of China and master a batch of treatment technologies and urban sewage treatment technologies for representative pollution sources in the medium and small cities (towns). The medium and small towns are different from the large cities and are characterized in that the technical level and the management level of practitioners are low, and requirements are provided for the difficulty degree of operation of a sewage treatment plant to a certain extent. The sewage treatment is an energy-intensive comprehensive technology, and the energy consumption of the sewage treatment is related to the amount and quality of the treated sewage, the adopted process method, the operation mode, the treatment degree and the operation management.
The above factors determine that the sewage treatment technology applied to small and medium-sized cities (towns) must be economical, efficient, energy-saving and simple and easy to implement. Therefore, research and development of a new process for improving and replacing the traditional process and development of a sewage treatment technology with independent intellectual property rights, good treatment effect, high efficiency and low energy consumption are main tasks in the current sewage treatment field of China. The method combines the practical situation of China to determine that the technical route with simplicity, high efficiency and low energy consumption is suitable for the national situation of China.
The existing treatment of sewage in medium and small cities (towns) has the following problems: 1. the sewage treatment of medium and small cities (towns) is urgently needed to reach the national first-class A standard and has a contradiction to be solved because the existing town sewage treatment effect is poor, and 2, the existing town sewage treatment system and method have the defects of long process flow, high investment, high operation cost and poor stability in treatment and recycling. In conclusion, I have designed a novel high-efficient sewage advanced purification treatment system.
Disclosure of Invention
In order to solve the existing problems, the utility model provides a novel high-efficient sewage deep purification treatment system.
The utility model discloses a realize through following technical scheme:
a novel high-efficiency sewage deep purification treatment system comprises a grid well, a high-efficiency anaerobic bioreactor, an artificial wetland pool and an artificial rapid infiltration pool, wherein the grid well is connected with the high-efficiency anaerobic bioreactor, the outlet water of the grid well is communicated with the artificial wetland pool, the artificial wetland pool is connected with an intermediate water pool, and the outlet water of the artificial wetland pool is communicated with a water distribution pipeline on the surface of the artificial rapid infiltration pool through a pipeline; the water discharged from the artificial rapid infiltration tank is discharged into a clean water tank and then is discharged through a pipeline; a water quality adjusting and precipitating area, a two-stage anaerobic reaction area and a water storage area are arranged in the high-efficiency anaerobic bioreactor; a columnar elastic filler is arranged in the two-stage anaerobic reaction zone; a sewage lifting pump is arranged in the water storage area; the lift pump is connected with a sewage return pipe and an artificial wetland water distribution pipe; the electric valve is arranged on the sewage backflow pipe, and a part of sewage in the water storage area flows back to the water quality adjusting and settling area through the backflow pipe, so that the hydraulic retention time is prolonged.
As a further optimization scheme of the utility model, the artificial wetland water distribution pipe is connected with a sewage lift pump; an oxygen-increasing jet device is arranged on the artificial wetland water distribution pipe; the intermediate water tank is connected with an artificial wetland water collecting pipe; canna, rush and calamus aquatic plants are planted on the surface of the artificial wetland in a matched manner.
As a further optimization scheme of the utility model, a ventilation layer is arranged between the artificial rapid infiltration pond and the artificial wetland pond and is communicated with the outside atmosphere through a ventilation pipe; the artificial rapid infiltration tank and the artificial rapid infiltration water distribution pipe are connected with the middle water tank; the vertical pipe section of the artificial rapid-seepage water distribution pipe is provided with a perforation for collecting water; the artificial rapid infiltration tank and the water collecting pipe are provided with vent pipes; the ventilating pipe goes deep into a ventilating layer between the artificial rapid infiltration pond and the artificial wetland pond.
As a further optimization scheme of the utility model, the manual rapid infiltration tank and the water collecting pipe are communicated with the clean water tank through pipelines.
Compared with the prior art, the beneficial effects of the utility model are that: this novel high-efficient sewage advanced treatment system adopt high-efficient anaerobism biological treatment + constructed wetland and artifical rapid infiltration layer's combined technology to high-efficient anaerobism biological treatment is the primary treatment unit, and constructed wetland is the secondary treatment unit, and artifical rapid infiltration layer is tertiary treatment unit: firstly, sewage enters a high-efficiency anaerobic bioreactor for treatment, oxygen supply and energy consumption are not needed in the anaerobic process, and the sludge production amount is very small; meanwhile, the columnar elastic filler is arranged in the anaerobic reaction zone of the reactor to provide a stable environment for microorganisms to inhabit and breed, the abundant inner surfaces of the columnar elastic filler provide attached surfaces and inner spaces for the microorganisms, so that more microorganism quantity is kept in the tank body as far as possible, the sewage flows back in the water storage zone, the hydraulic retention time is greatly prolonged, the degradation capability of the anaerobic process on high-concentration domestic sewage containing pollutants difficult to degrade is improved, and the organic matter load of the sewage treated by the high-efficiency anaerobic reactor is greatly reduced. Secondly, the sewage treated by the high-efficiency anaerobic reactor enters an artificial wetland tank, oxygen is introduced into the sewage through an oxygenation ejector on a water distribution pipe, a dissolved oxygen gradient distribution environment is created by controlling the dissolved oxygen amount in the sewage, the aerobic, facultative and anaerobic symbiotic states of a bacterial membrane are realized on the surface of the wetland tank, and ammonia nitrogen and phosphorus are effectively removed. Thirdly, the sewage treated by the wetland enters an artificial rapid infiltration tank for advanced treatment through self-flow, and organic matters and pollutants in the sewage are further removed through filter materials filled in the rapid infiltration tank and used for adsorbing organic matters, nitrogen and phosphorus, so that the quality of the effluent water reaches the standard.
Drawings
Fig. 1 is a schematic view of the process of the present invention.
In the figure: 1-a grid well; 2-high efficiency anaerobic bioreactor; 3-artificial rapid infiltration pond; 4-artificial wetland pool; 5-an intermediate water tank; 6-a clean water tank; 7-a return pipe; 8, electrically operated valve; 9-a lift pump; 10-a vent pipe; 11-an oxygen-increasing jet device; 12-artificial wetland water distribution pipes; 13-wetland aquatic plants; 14-artificial rapid infiltration water pipe; 15-artificial rapid infiltration water collecting pipe; 16-artificial rapid infiltration breather pipe; 17-artificial wetland water collecting pipe.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, a novel high-efficiency deep sewage purification treatment system comprises a grid well (1), a high-efficiency anaerobic bioreactor (2), an artificial wetland pool (4) and an artificial rapid infiltration pool (3), wherein domestic sewage treated by a septic tank in the grid well (1) enters the high-efficiency anaerobic bioreactor (2) after floating materials in water are removed, effluent of the domestic sewage is pumped into the artificial wetland pool (4) through a lift pump, the sewage treated by the artificial wetland pool (4) is discharged into a middle pool (5), and the effluent of the domestic sewage is communicated with a water distribution pipeline on the surface of the artificial rapid infiltration pool (3) through a pipeline; the water discharged from the artificial rapid infiltration tank (3) is discharged into a clean water tank (6) and then is discharged through a pipeline; a water quality adjusting sedimentation area, a two-stage anaerobic reaction area and a water storage area are arranged in the high-efficiency anaerobic bioreactor (2); a columnar elastic filler is arranged in the two-stage anaerobic reaction zone; a sewage lifting pump (9) is arranged in the water storage area; the lifting pump (9) is connected with a sewage return pipe (7) and an artificial wetland water distribution pipe (14); an electric valve (8) is arranged on the sewage backflow pipe (7), and a part of sewage in the water storage area flows back to the water quality regulation and sedimentation area through the backflow pipe (7), so that the hydraulic retention time is prolonged; the artificial wetland water distribution pipe (12) is connected with a sewage lifting pump (9); an oxygen increasing jet device (11) is arranged on the artificial wetland water distribution pipe (12); the intermediate water tank (5) is connected with an artificial wetland water collecting pipe (17); canna, rush and calamus aquatic plants (13) are planted on the surface of the artificial wetland in a matching way; a ventilation layer is arranged between the artificial rapid infiltration pond (3) and the artificial wetland pond (4), and is communicated with the external atmosphere through a ventilation pipe (10); the artificial rapid infiltration tank (3) and the artificial rapid infiltration water distribution pipe (14) are connected with the middle water tank (5); the vertical pipe section of the artificial rapid infiltration water distribution pipe (14) is provided with a perforation for collecting water; the artificial rapid infiltration tank (3) and the water collection pipe (15) are provided with a vent pipe (16); the ventilating pipe (16) penetrates into a ventilating layer between the artificial rapid infiltration pond (3) and the artificial wetland pond (4); the artificial rapid infiltration tank (3) and the water collecting pipe (15) are communicated with the clean water tank (6) through pipelines.
The novel device is mainly formed by connecting three treatment units in series in this embodiment, effluent of the septic tank enters the high-efficiency anaerobic reactor after being treated by the grid well, a water quality adjusting and precipitating area, a two-stage anaerobic reaction area and a water storage area are arranged in the anaerobic reactor, wherein the two-stage anaerobic reaction area is provided with columnar elastic fillers to provide stable environment for inhabitation and reproduction of microorganisms, and the abundant inner surface of the two-stage anaerobic reaction area provides attached surface and inner space for the microorganisms. The sewage flows through the anaerobic reaction area, and microorganisms in the sewage are attached to the filler to breed and grow and gradually form a biological film. In the process of contacting the sewage with the biological membrane, organic pollutants in the sewage are adsorbed and degraded by the biological membrane, and the sewage is purified. Meanwhile, in order to improve the retention time and treatment effect of the anaerobic reaction and save the occupied area of the high-efficiency anaerobic reactor, a lift pump of the water storage area supplies water to the artificial wetland tank, simultaneously part of sewage flows back to the water quality adjusting and settling area at the front end of the high-efficiency anaerobic reactor,
the artificial wetland pool adopts a vertical flow artificial wetland process, so that the sewage treatment degree is further improved. Oxygen is introduced into the sewage through the oxygenation ejector during water distribution on the surface of the wetland tank, a dissolved oxygen gradient distribution environment is created by controlling the dissolved oxygen in the sewage, the aerobic, facultative and anaerobic symbiotic states of the bacterial membrane are realized on the surface of the wetland tank, and ammonia nitrogen and phosphorus are effectively removed. The surface of the wetland is matched with aquatic plants which are suitable for different climatic environments, so that the stable operation of the artificial wetland in all seasons is ensured.
The sewage treated by the artificial wetland enters an intermediate water tank and automatically flows into an artificial rapid infiltration tank through a pipeline. A ventilating layer is arranged between the artificial rapid infiltration pond and the artificial wetland pond, and the height of the ventilating layer is 60 cm. The ventilation layer is arranged to create aerobic conditions for the growth and the propagation of microorganisms on the surface of the artificial rapid infiltration pond, and the aerobic degradation capability of the system on organic matters is enhanced, the nitrification is enhanced and the cost and the investment are saved by oxygenating in the mode; in addition, the pebble ventilation layer is arranged in the filler, and the ventilation short pipe is communicated with the ventilation layer, so that the reoxygenation efficiency of the filler in the drying period can be improved, the blockage of the filler is relieved, and the pebble ventilation layer has positive significance for improving the aerobic environment of the filler. The sewage after the artificial rapid infiltration treatment enters a clean water tank and is discharged by flowing automatically through a pipeline.
The utility model has the advantages of the pretreatment adopts high-efficient anaerobism bioreactor to increase the return line, improved the pretreatment effect greatly and saved area and investment. The artificial wetland and the artificial rapid infiltration tank adopt a combined construction mode, and the floor area and the cost investment are greatly saved. The oxygen content of the sewage is increased by a jet flow oxygenation mode while water is distributed on the surface of the artificial wetland, the aerobic treatment effect is enhanced, three symbiotic states of aerobic, facultative and anaerobic bacteria membranes are realized on the surface of the wetland tank, and pollutants such as organic matters, ammonia nitrogen, phosphorus and the like are effectively removed; the filler which can efficiently absorb nitrogen and phosphorus is filled in the artificial rapid infiltration tank, so that the sewage flows through the filler from top to bottom to generate comprehensive physical, chemical and biological reactions, pollutants are further removed, and the optimal effect of removing the pollutants is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a novel high-efficient sewage deep purification processing system, includes grid well, high-efficient anaerobism bioreactor, artifical wetland pond, artifical rapid infiltration layer pond, its characterized in that: the grid well is connected with the high-efficiency anaerobic bioreactor, the outlet water of the grid well is communicated with the artificial wetland pool, the artificial wetland pool is connected with an intermediate pool, and the outlet water of the artificial wetland pool is communicated with a water distribution pipeline on the surface of the artificial rapid infiltration tank through a pipeline; the water discharged from the artificial rapid infiltration tank is discharged into a clean water tank and then is discharged through a pipeline; a water quality adjusting and precipitating area, a two-stage anaerobic reaction area and a water storage area are arranged in the high-efficiency anaerobic bioreactor; a columnar elastic filler is arranged in the two-stage anaerobic reaction zone; a sewage lifting pump is arranged in the water storage area; the lift pump is connected with a sewage return pipe and an artificial wetland water distribution pipe; the electric valve is arranged on the sewage backflow pipe, and a part of sewage in the water storage area flows back to the water quality adjusting and settling area through the backflow pipe, so that the hydraulic retention time is prolonged.
2. The novel high-efficiency advanced wastewater purification treatment system according to claim 1, wherein: the artificial wetland water distribution pipe is connected with a sewage lift pump; an oxygen-increasing jet device is arranged on the artificial wetland water distribution pipe; the middle water tank is connected with an artificial wetland water collecting pipe; canna, rush and calamus aquatic plants are planted on the surface of the artificial wetland in a matched manner.
3. The novel high-efficiency advanced wastewater purification treatment system according to claim 1, wherein: a ventilation layer is arranged between the artificial rapid infiltration pond and the artificial wetland pond and is communicated with the external atmosphere through a ventilation pipe; the artificial rapid infiltration tank and the artificial rapid infiltration water distribution pipe are connected with the middle water tank; the vertical pipe section of the artificial rapid-seepage water distribution pipe is provided with a perforation for collecting water; the artificial rapid infiltration tank and the water collecting pipe are provided with vent pipes; the ventilating pipe goes deep into a ventilating layer between the artificial rapid infiltration pond and the artificial wetland pond.
4. The novel high-efficiency advanced wastewater purification treatment system according to claim 1, wherein: the artificial rapid infiltration tank and the water collecting pipe are communicated with the clean water tank through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922107359.XU CN211445427U (en) | 2019-11-29 | 2019-11-29 | Novel high-efficient sewage deep purification processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922107359.XU CN211445427U (en) | 2019-11-29 | 2019-11-29 | Novel high-efficient sewage deep purification processing system |
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| CN211445427U true CN211445427U (en) | 2020-09-08 |
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| CN201922107359.XU Active CN211445427U (en) | 2019-11-29 | 2019-11-29 | Novel high-efficient sewage deep purification processing system |
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Assignee: Weihai Zhengyuan Environmental Technology Co.,Ltd. Assignor: WUHAN Z&Y ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020420000017 Denomination of utility model: A new type of high efficiency sewage advanced purification system Granted publication date: 20200908 License type: Common License Record date: 20201231 |