CN212640223U - High concentration excrement sewage treatment system - Google Patents
High concentration excrement sewage treatment system Download PDFInfo
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- CN212640223U CN212640223U CN202021149901.4U CN202021149901U CN212640223U CN 212640223 U CN212640223 U CN 212640223U CN 202021149901 U CN202021149901 U CN 202021149901U CN 212640223 U CN212640223 U CN 212640223U
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Abstract
The utility model relates to the technical field of sewage treatment, in particular to a high-concentration excrement sewage treatment system, which comprises a septic tank, an anaerobic tank, an anoxic tank, an aerobic tank, an MBR tank, a disinfection tank and a storage tank which are sequentially communicated; the sludge tank is communicated with the MBR tank and the anaerobic tank; an MBR module is arranged in the MBR tank; the device also comprises a dosing unit, wherein the dosing unit comprises a medicine box which is communicated with the MBR tank through a dosing pipeline, a dosing pump is arranged in the medicine box, and a liquid outlet of the dosing pump is communicated with the dosing pipeline; the device also comprises a backwashing system which is arranged between the disinfection tank and the MBR tank. The utility model has the advantages that the removal of organic matter, ammonia nitrogen and total nitrogen is accomplished through anaerobic denitrification, good oxygen nitration in the biological treatment link, and the play water passes through MBR further processing back, and degree of depth oxidation disinfection again finally discharge to reach standard.
Description
Technical Field
The utility model relates to a sewage treatment technical field, especially a high concentration excrement sewage treatment system.
Background
With the continuous acceleration of the urbanization, the problem of domestic sewage becomes more and more serious, and the water quality of a large amount of domestic sewage is blackened and smelled due to improper treatment, so that the appearance of the city is seriously influenced, and the healthy development of economy is not facilitated. At present, in order to improve the image of cities and bring convenience to people in large cities in China, a large number of public toilets are put into the cities or scenic spots in sequence, most of common public toilets are tap water flushing and sewage discharging type public toilets, and sewage is directly discharged to a municipal sewage pipe network. But the public toilet with the structure has low automation degree and large discharge capacity, has strict requirements on site selection and obviously increases urban burden.
In the conventional toilet for treating the effluent circulating flushing water, the sewage after the toilet is flushed by water is treated by means of bioengineering, the sewage and the flushing water discharged from the toilet are treated, and the treated effluent is reused as the toilet flushing water. The invention with the patent number of 200410041059.1 discloses a circulating water flushing ecological toilet and a sewage treatment method thereof, which comprises a high-level water tank, a toilet bowl, a stirring and crushing device, a solid-liquid separation device, an anaerobic reaction device, a facultative reaction device, an aerobic reaction device and an ozone disinfection device which are sequentially connected together, wherein the ozone disinfection device is connected with the high-level water tank through a water pump. The invention takes the composite biological sewage treatment as the core, carries out innocent treatment on the excrement, and carries out conversion, decomposition, purification and disinfection treatment on the urine, thereby achieving the standard of recycling reclaimed water and realizing the purpose of circular flushing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a high concentration excrement sewage treatment system.
The purpose of the utility model is realized through the following technical scheme: a high-concentration fecal sewage treatment system comprises a septic tank, an anaerobic tank, an anoxic tank, an aerobic tank, an MBR tank, a disinfection tank, a storage tank and a sludge tank; the septic tank is communicated with an anaerobic tank, the anaerobic tank is communicated with an anoxic tank, the anoxic tank is communicated with an aerobic tank, the aerobic tank is communicated with an MBR tank, the MBR tank is communicated with a disinfection tank, the disinfection tank is communicated with a storage tank, and the sludge tank is communicated with the MBR tank and the anaerobic tank; an MBR module is arranged in the MBR tank;
the device also comprises a dosing unit, wherein the dosing unit comprises a medicine box which is communicated with the MBR tank through a dosing pipeline, a dosing pump is arranged in the medicine box, and a liquid outlet of the dosing pump is communicated with the dosing pipeline;
the device also comprises a backwashing system which is arranged between the disinfection tank and the MBR tank. In the scheme
Specifically, an aeration device is arranged at the bottom of the aerobic tank.
The utility model discloses a safe and clean water tank, clear water tank intercommunication storage pond, clear water tank in be provided with the booster pump, the liquid outlet of booster pump passes through pipeline and connects the medical kit, be provided with the moisturizing solenoid valve between booster pump and the medical kit.
Specifically, still be provided with the filtration pump between disinfection pond and the MBR pond, the inlet intercommunication MBR pond of filtration pump, liquid outlet intercommunication disinfection pond, be provided with between filtration pump and the MBR pond and filter the solenoid valve.
The backwashing system comprises a backwashing pump, a liquid inlet of the backwashing pump is communicated with a disinfection tank, a liquid outlet of the backwashing pump is communicated with an MBR tank, a backwashing electromagnetic valve is arranged between the backwashing pump and the MBR tank, the backwashing system further comprises a chemical backwashing medicine box, the chemical backwashing medicine box is communicated with the MBR tank through a backwashing pipeline, a chemical backwashing pump is arranged on the backwashing pipeline, and a chemical backwashing electromagnetic valve is arranged between the chemical backwashing pump and the MBR tank.
Specifically, the high liquid level department in anaerobism pond be provided with first overflow hole, first overflow hole intercommunication has first overflow pipe, the bottom in the oxygen deficiency pond of one end intercommunication of first overflow pipe.
Specifically, a second overflow hole is formed in the high liquid level position of the anoxic tank, and the second overflow hole is communicated with the bottom of the aerobic tank through a second overflow pipeline.
Specifically, a third overflow hole is formed in the high liquid level position of the aerobic tank, and the third overflow hole is communicated with the MBR tank through a third overflow pipeline.
Specifically, the aerobic tank in be provided with mixed liquid backwash pump, the liquid outlet of mixed liquid backwash pump passes through the bottom in return line intercommunication oxygen deficiency pond.
Specifically, the MBR tank in be provided with the sludge pump, the delivery outlet of sludge pump passes through mud pipeline intercommunication anaerobism pond.
The utility model has the advantages of it is following:
1. the sewage after the primary pretreatment of the septic tank enters an anaerobic, anoxic, aerobic and MBR biochemical system for secondary treatment, most organic matters in the sewage are gradually decomposed into colorless and odorless CO2, H2O gas and trace inorganic matters by different biological bacteria, the water quality is purified, the purified effluent is further subjected to advanced treatment such as electrolytic decoloration and sterilization to reach the three-level discharge standard, and the effluent is colorless, odorless and free of exceeding the standard of escherichia coli.
2. The MBR membrane group in the MBR tank is adopted to treat sewage, the high-efficiency solid-liquid separation performance is realized, the process is simple, a solid-liquid separation tower such as precipitation and filtration is not required to be independently arranged, biomass in the treatment unit can be maintained at high concentration, the volume load is greatly improved, and meanwhile, the hydraulic retention time of the treatment unit is greatly shortened due to the high efficiency of membrane separation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-a septic tank, 2-an anaerobic tank, 3-an anoxic tank, 4-an aerobic tank, 5-an MBR tank, 6-a storage tank, 7-a disinfection tank, 8-a clear water tank, 9-a sludge tank, 10-a medicine tank, 11-a medicine feeding pump, 12-a booster pump, 13-a water replenishing electromagnetic valve, 14-a back flush pump, 15-a back flush electromagnetic valve, 16-a chemical back flush medicine tank, 17-a chemical back flush pump, 18-a chemical back flush electromagnetic valve, 19-a filter pump and 20-a filter electromagnetic valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1, a high concentration fecal sewage treatment system comprises a septic tank 1, an anaerobic tank 2, an anoxic tank 3, an aerobic tank 4, an MBR tank 5, a storage tank 6, a disinfection tank 7 and a sludge tank 9; the septic tank 1 is communicated with an anaerobic tank 2, the anaerobic tank 2 is communicated with an anoxic tank 3, the anoxic tank 3 is communicated with an aerobic tank 4, the aerobic tank 4 is communicated with an MBR tank 5, the MBR tank 5 is communicated with a storage tank 6, the storage tank 6 is communicated with a disinfection tank 7, and the sludge tank 9 is communicated with the MBR tank 5 and the anaerobic tank 2; an MBR module is arranged in the MBR tank 5, sludge in the MBR tank 5 is pumped into a sludge tank 9 by a sludge pump and is pumped and transported by a sanitation vehicle at regular intervals, and the sludge generated in the MBR tank 5 is less and can be pumped out once in 5-8 months;
the device also comprises a dosing unit, wherein the dosing unit comprises a medicine box 10, the medicine box 10 is communicated with the MBR tank 5 through a dosing pipeline, a dosing pump 11 is arranged in the medicine box 10, and a liquid outlet of the dosing pump 11 is communicated with the dosing pipeline; the phosphorus removing agent is arranged in the medicine box 10, and the phosphorus removing agent in the medicine box 10 is introduced into the MBR tank 5 for phosphorus removal through the medicine adding pump 11.
The device also comprises a back washing system which is arranged between the disinfection tank 7 and the MBR tank 5. In the scheme, a grid is arranged in a septic tank 1 and is divided into a fine grid and a coarse grid, the grid isolates the septic tank from a regulating tank and is used for intercepting large floating objects in sewage, a sewage lifting pump is arranged in the regulating tank, a high-low liquid level is arranged in the regulating tank to give start-stop signals, the sewage lifting pump is controlled to lift sewage to an anaerobic tank, an ultrahigh liquid level is arranged to give start-up signals, and a sewage pump arranged in the septic tank is controlled to discharge sewage to a municipal pipe network; sewage in a septic tank 1 is lifted into an anaerobic tank 2 through a sewage lifting pump, a sewage inlet is arranged in the anaerobic tank 2, a filtering device is arranged on the sewage inlet to filter dregs in the sewage lifted by the sewage lifting pump, a stirring pump is further arranged at the bottom of the anaerobic tank 2, a fixing device is fixed on the pump, a packing frame is arranged in the anaerobic tank 2, combined packing is placed on the packing frame, the packing frame is 150mm lower than a first overflow hole, supporting legs at the bottom of the packing frame are welded in the anaerobic tank 2, and the sewage is subjected to feces and urine hydrolysis and organic matter degradation under the action of anaerobic microorganisms; the anaerobic tank 2 and the anoxic tank 3 are provided with emergency overflow ports, when the water level in the anaerobic tank 2 is higher than a first overflow hole, the water flows to the anoxic tank 3 through the first overflow hole, the bottom of the anoxic tank 3 is provided with an aeration pipe, the aeration pipe adopts a DN40 UPVC industrial pipe, holes are punched on the aeration pipe, the aperture is 2mm, the hole distance is 30mm, the first function of the anoxic tank 3 is denitrification, denitrifying bacteria use organic carbon source in sewage as carbon source, a large amount of NO-and NO-brought in return sludge in the MBR tank 5 are reduced into N and released into the air, the BOD concentration continues to be reduced, the NO-concentration is also greatly reduced, and a submersible stirring device is arranged in the anoxic tank 3; when the water level in the anoxic tank 32 is higher than the second overflow hole, the water flows into the aerobic tank 4 through the second overflow hole, an aeration pipe is arranged at the bottom of the aerobic tank 4, the aeration pipe adopts a DN40 UPVC industrial pipe, holes are formed in the aeration pipe, the aperture is 2mm, the hole distance is 15mm, combined fillers are uniformly arranged in the aerobic tank 4, microorganisms, nitrifying bacteria and phosphorus bacteria in activated sludge which are massively propagated in an aeration state degrade or adsorb organic pollutants containing carbon, ammonia nitrogen and phosphorus in water so as to achieve the purpose of purifying the water quality, and an emergency overflow hole is arranged between the anoxic tank 3 and the aerobic tank 4; sewage in the aerobic tank 4 flows into the MBR tank 5 through the third overflow hole, a group of MBR membranes are arranged in the MBR tank 5, the MBR membranes are provided with aeration pipes, and sludge-containing sewage in the tank is filtered by the MBR membranes to realize sludge-water separation, on one hand, the microorganisms in the tank are intercepted by the membranes, so that the concentration of active sludge in the tank is greatly increased, and a high level is reached, so that the biochemical reaction for degrading the sewage is more rapidly and thoroughly carried out, on the other hand, due to the high filtering precision of the membranes, the effluent is ensured to be clear and transparent, so that high-quality produced water is obtained, and emergency overflow holes are arranged between the aerobic tank 4 and the MBR tank 5; an emergency overflow port 100 x 200mm is arranged between an MBR tank 5 and a storage tank 6, the MBR tank 5 emergently overflows to a septic tank 1, high and low liquid levels are arranged in the MBR tank 5, a signal is given to start and stop a filter pump, when the liquid level reaches the high liquid level, a filter electromagnetic valve 20 is opened, a valve is opened to start the filter pump, the circulation work is stopped until the low liquid level is reached, water produced by the MBR tank 1 reaches the storage tank 6, a backwashing system starts backwashing after the liquid level in the MBR tank 5 circulates for three times from high to low, a backwashing electromagnetic valve 15 is opened, the filter electromagnetic valve 20 is confirmed to be in a closed state, then a backwashing pump 14 is opened to introduce water in a disinfection tank 7 into the MBR tank 5 for backwashing, the backwashing is stopped for ten minutes, or the liquid level in the MBR tank 5 reaches the high liquid level and is stopped, after the backwashing pump 14 works for 50 times, a chemical backwashing pump 17 works, opening a chemical back-flushing pump 17 and a chemical back-flushing electromagnetic valve 18, when the chemical back-flushing medicine box 16 reaches a low liquid level, stopping the chemical back-flushing pump 17, standing for 1 hour, then opening an aeration pipe in the MBR tank 5, performing air aeration for 20 minutes, and then working according to the original program; still the supporting RO system that is provided with, the built-in height liquid level of storage pond 6, be used for giving RO system start-stop signal, storage pond 6 to disinfection pond 7 establish emergent overflow mouth, the RO system is reached high liquid level at storage pond 6 and is started, stop to low liquid level, go out water to disinfection pond 7, RO need combine with total electric cabinet from electrified case, disinfection pond 7 adopts ozone disinfection, adopt the ejector to let ozone and water fuse, ozone generator and suction pump linkage, intermittent type formula operation, the operating time is adjustable, it has some ammonia nitrogen yet to go out water through storage pond 6, pathogenic microorganism can not be got rid of, it can reach standard retrieval and utilization to go out water again through the disinfection, storage after the disinfection is supplied to use in clear water tank 8, or be used for irrigating.
Further, aeration devices are arranged at the bottoms of the aerobic tank 4 and the anoxic tank 3.
Further, still include clear water tank 8, clear water tank 8 intercommunication disinfection pond 7, clear water tank 8 in be provided with booster pump 12, the liquid outlet of booster pump 12 passes through pipeline and connects medical kit 10, be provided with moisturizing solenoid valve 13 between booster pump 12 and the medical kit 10.
Further, still be provided with filtering pump 19 between reservoir 6 and the MBR pond 5, filtering pump 19's inlet intercommunication MBR pond 5, liquid outlet intercommunication reservoir 6, be provided with between filtering pump 19 and the MBR pond 5 and filter solenoid valve 20.
Further, the backwashing system comprises a backwashing pump 14, a liquid inlet of the backwashing pump 14 is communicated with the disinfection tank 7, a liquid outlet of the backwashing pump 14 is communicated with the MBR tank 5, a backwashing electromagnetic valve 15 is arranged between the backwashing pump 14 and the MBR tank 5, the backwashing system also comprises a chemical backwashing medicine box 16, the chemical backwashing medicine box 16 is communicated with the MBR tank 5 through a backwashing pipeline, a chemical backwashing pump 17 is arranged on the backwashing pipeline, and a chemical backwashing electromagnetic valve 18 is arranged between the chemical backwashing pump 17 and the MBR tank 5.
Furthermore, a first overflow hole is formed in the high liquid level position of the anaerobic tank 2, the first overflow hole is communicated with a first overflow pipeline, and one end of the first overflow pipeline is communicated with the bottom of the anoxic tank 3.
Further, a second overflow hole is formed in the high liquid level position of the anoxic tank 3 and communicated with the bottom of the aerobic tank 4 through a second overflow pipeline.
Furthermore, a third overflow hole is formed in the high liquid level position of the aerobic tank 4, and the third overflow hole is communicated with the MBR tank 5 through a third overflow pipeline.
Further, the aerobic tank 4 is internally provided with a mixed liquid reflux pump, and a liquid outlet of the mixed liquid reflux pump is communicated with the bottom of the anoxic tank 3 through a reflux pipeline.
Further, MBR pond 5 in be provided with the sludge pump, the delivery outlet of sludge pump passes through sludge conduit intercommunication sludge impoundment 9.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a high concentration excrement sewage treatment system which characterized in that: comprises a septic tank (1), an anaerobic tank (2), an anoxic tank (3), an aerobic tank (4), an MBR tank (5), a storage tank (6), a disinfection tank (7) and a sludge tank (9); the septic tank (1) is communicated with an anaerobic tank (2), the anaerobic tank (2) is communicated with an anoxic tank (3), the anoxic tank (3) is communicated with an aerobic tank (4), the aerobic tank (4) is communicated with an MBR tank (5), the MBR tank (5) is communicated with a storage tank (6), the storage tank (6) is communicated with a disinfection tank (7), and the sludge tank (9) is communicated with the MBR tank (5) and the anaerobic tank (2); an MBR module is arranged in the MBR tank (5);
the device is characterized by further comprising a dosing unit, wherein the dosing unit comprises a medicine box (10), the medicine box (10) is communicated with the MBR tank (5) through a dosing pipeline, a dosing pump (11) is arranged in the medicine box (10), and a liquid outlet of the dosing pump (11) is communicated with the dosing pipeline;
the device also comprises a back washing system, and the back washing system is arranged between the disinfection tank (7) and the MBR tank (5).
2. The high concentration fecal sewage treatment system of claim 1 wherein: an aeration device is arranged at the bottom of the aerobic tank (4).
3. The high concentration fecal sewage treatment system of claim 1 wherein: still include clear water tank (8), clear water tank (8) intercommunication disinfection pond (7), clear water tank (8) in be provided with booster pump (12), the liquid outlet of booster pump (12) passes through pipeline and connects medical kit (10), be provided with moisturizing solenoid valve (13) between booster pump (12) and medical kit (10).
4. The high concentration fecal sewage treatment system of claim 1 wherein: still be provided with between holding vessel (6) and MBR pond (5) filter pump (19), the inlet of filter pump (19) communicates MBR pond (5), and liquid outlet intercommunication holding vessel (6), be provided with between filter pump (19) and MBR pond (5) and filter solenoid valve (20).
5. The high concentration fecal sewage treatment system of claim 1 wherein: the back flush system includes back flush pump (14), inlet intercommunication disinfection pond (7) of back flush pump (14), the liquid outlet intercommunication MBR pond (5) of back flush pump (14), be provided with back flush solenoid valve (15) between back flush pump (14) and MBR pond (5), still include chemical recoil medical kit (16), chemical recoil medical kit (16) are through recoil pipeline intercommunication MBR pond (5), be provided with chemical recoil pump (17) on the recoil pipeline, chemical recoil pump (17) and MBR pond (5) between be provided with chemical recoil solenoid valve (18).
6. The high concentration fecal sewage treatment system of claim 1 wherein: the anaerobic tank (2) is characterized in that a first overflow hole is formed in the high liquid level position, the first overflow hole is communicated with a first overflow pipeline, and one end of the first overflow pipeline is communicated with the bottom of the anoxic tank (3).
7. The high concentration fecal sewage treatment system of claim 1 wherein: and a second overflow hole is formed in the high liquid level position of the anoxic pond (3), and the second overflow hole is communicated with the bottom of the aerobic pond (4) through a second overflow pipeline.
8. The high concentration fecal sewage treatment system of claim 1 wherein: and a third overflow hole is formed in the high liquid level position of the aerobic tank (4), and the third overflow hole is communicated with the MBR tank (5) through a third overflow pipeline.
9. The high concentration fecal sewage treatment system of claim 1 wherein: the aerobic tank (4) is internally provided with a mixed liquid reflux pump, and the liquid outlet of the mixed liquid reflux pump is communicated with the bottom of the anoxic tank (3) through a reflux pipeline.
10. The high concentration fecal sewage treatment system of claim 1 wherein: the MBR tank (5) is internally provided with a sludge pump, and the output port of the sludge pump is communicated with a sludge tank (9) through a sludge pipeline.
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CN202021149901.4U CN212640223U (en) | 2020-06-19 | 2020-06-19 | High concentration excrement sewage treatment system |
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CN202021149901.4U CN212640223U (en) | 2020-06-19 | 2020-06-19 | High concentration excrement sewage treatment system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114195320A (en) * | 2021-11-11 | 2022-03-18 | 德蓝(海南)未来之水有限公司 | Rural sewage treatment system and treatment method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114195320A (en) * | 2021-11-11 | 2022-03-18 | 德蓝(海南)未来之水有限公司 | Rural sewage treatment system and treatment method |
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