CN110590080A - Biomembrane sewage treatment equipment - Google Patents
Biomembrane sewage treatment equipment Download PDFInfo
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- CN110590080A CN110590080A CN201910985044.7A CN201910985044A CN110590080A CN 110590080 A CN110590080 A CN 110590080A CN 201910985044 A CN201910985044 A CN 201910985044A CN 110590080 A CN110590080 A CN 110590080A
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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
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a biomembrane sewage treatment device, which comprises a filter tank, an anaerobic tank, an aerobic tank and a collection and purification tank; the filtering tank is divided into a filtering area and a garbage storage area, a fine-pore filtering screen plate is arranged in the filtering area, and a sewage inlet is arranged at the top of the filtering tank; a plurality of groups of anaerobic biological membranes and flocculation pipes are arranged in the anaerobic tank, and a plurality of aerobic biological membranes are arranged in the aerobic tank side by side; an ultraviolet lamp is arranged at the top in the collecting and purifying tank, photocatalyst plates are arranged on the opposite side walls in the collecting and purifying tank, and a drain pipe is also arranged on the side walls of the collecting and purifying tank; a backwashing pipe is also arranged on the collecting and purifying tank, the backwashing pipe sequentially penetrates through the anaerobic tank and the aerobic tank and extends towards the interior of the filtering tank, and a backwashing pump is arranged on the backwashing pipe; the invention not only purifies the sewage by a physical filtration method, a biological method and a chemical method, but also circulates the water so as to realize self-purification and improve the effect of water purification.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a biological membrane sewage treatment device.
Background
Domestic sewage is wastewater discharged in daily life of residents, mainly comes from residential buildings and public buildings, pollutants contained in the domestic sewage are mainly organic matters, such as protein, carbohydrate, fat, ammonia nitrogen and the like, bacteria and pathogens in the sewage propagate in large quantities by taking the organic matters in the domestic sewage as nutrition, so that infectious diseases can spread and spread, and therefore the domestic sewage needs to be treated before being discharged.
There are many sewage treatment methods, including physical, chemical and biological methods, among which the biofilm method is a method for treating organic sewage by using microorganisms (i.e. biofilm) attached to and growing on the surface of some solid, the biofilm is an ecosystem consisting of highly dense aerobic bacteria, anaerobic bacteria, facultative bacteria, fungi, protozoa, algae, etc., the biofilm firstly adsorbs organic matters in the sewage, decomposes the organic matters by aerobic bacteria in an aerobic layer, and then enters an anaerobic layer to decompose by anaerobic bacteria.
The biomembrane sewage treatment equipment of prior art often only pays attention to the processing of sewage, and neglected the clean problem of filter screen jam and anaerobism pond and aerobic tank when using, often need artifically come to wash the filter screen this moment, and carry out the edulcoration to anaerobism pond and aerobic tank, artificial consumption has not only been increased, filterable not thorough enough when leading to physics to filter easily moreover, and the biomembrane life in anaerobism pond and the aerobic tank is short-lived, work efficiency when greatly having reduced sewage treatment.
Disclosure of Invention
In view of the technical defects, the invention aims to provide a biomembrane sewage treatment device which not only purifies sewage by a physical filtration method, a biological method and a chemical method, but also circulates water so as to realize self-purification and improve the efficiency of water purification.
In order to solve the technical problems, the invention adopts the following technical scheme:
a biomembrane sewage treatment device comprises a filtering tank, an anaerobic tank, an aerobic tank and a collecting and purifying tank, wherein the filtering tank is communicated with the anaerobic tank through a first flow pipe;
the filtering tank is divided into a filtering area and a garbage storage area from top to bottom through a transverse plate, a funnel-shaped fine-hole filtering screen plate is arranged in the filtering area, the bottom of the fine-hole filtering screen plate penetrates through the transverse plate and is communicated with the garbage storage area, a sewage inlet is formed in the top of the filtering tank, and a discharge channel for discharging garbage is further formed in the lower side of the filtering tank;
a first perforated plate is horizontally arranged at the inner lower part of the anaerobic tank, a plurality of groups of anaerobic biological membranes are arranged at the top of the first perforated plate side by side, a flocculation pipe filled with a natural organic polymeric flocculant is arranged at the bottom of the first perforated plate, a circulation hole is formed in the flocculation pipe, one end of the first circulation pipe is communicated with the filtering area, the other end of the first circulation pipe is communicated with the flocculation pipe, and a plurality of aerobic biological membranes are arranged in the aerobic tank side by side;
an ultraviolet lamp is arranged at the top in the collecting and purifying tank, photocatalyst plates are arranged on the opposite side walls in the collecting and purifying tank, and a drain pipe is also arranged on the side walls of the collecting and purifying tank;
the collecting and purifying tank is also provided with a back flushing pipe, the back flushing pipe sequentially penetrates through the anaerobic tank and the aerobic tank and extends towards the interior of the filtering tank, the end part of the back flushing pipe is communicated with a spray head, the spray head is positioned above the fine hole filtering screen plate, the back flushing pipe positioned in the anaerobic tank and the aerobic tank is provided with a plurality of water permeable holes, and the back flushing pipe is provided with a back flushing pump;
the garbage discharge channel and the water discharge pipe are provided with valves.
Preferably, still be provided with the back flow on the filtering ponds lateral wall, the one end of back flow with the refuse storage area intercommunication, the other end with the filtering area intercommunication is located in the filtering area the back flow is in pore filter plate top, be provided with the check valve on the back flow and be used for inhaling the second suction pump to the filtering area with the sewage in the refuse storage area, be close to the refuse storage area be provided with the filter screen in the back flow.
Preferably, a first suction pump is arranged on the first circulation pipe.
Preferably, a second porous plate is arranged in the aerobic tank, a plurality of aerobic biofilms are arranged at the top of the second porous plate side by side, an aeration pipe arranged in a snake shape is arranged at the bottom of the second porous plate, any end of the aeration pipe penetrates through the side wall of the aerobic tank to extend outwards and is connected with an exhaust port of an exhaust pump, and an exhaust hole is formed in the aeration pipe extending into the aerobic tank.
Preferably, a microporous membrane filter for filtering external bacteria is further arranged in the aeration pipe and between the exhaust pump and the aerobic tank.
Preferably, each group of anaerobic biological membranes consists of two anaerobic biological valves, and the anaerobic biological valves are arranged in a cross manner.
Preferably, still be provided with controller and control panel on the lateral wall of collecting the purification tank, the exhaust pump back flush pump first suction pump, the second suction pump ultraviolet lamp reaches control panel respectively with controller electric connection, controller and external power supply electric connection.
Preferably, the side wall of the bottom of the anaerobic tank is provided with a hanging ring, and the flocculation tubes are arranged at the bottom of the anaerobic tank in an arched manner through the hanging ring.
Preferably, a control valve is further arranged on the second flow pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the sewage treatment device is provided with a filtering tank, an anaerobic tank, an aerobic tank and a collecting and purifying tank, wherein the filtering tank is used for filtering by a physical method, organic pollutants in a colloid state and a dissolved state in sewage are decomposed by anaerobic bacteria in the anaerobic tank, so that the organic pollutants in the sewage reach a discharge standard, and a flocculation pipe filled with a natural organic high-molecular flocculant is arranged in the anaerobic tank; the aerobic biomembrane in the aerobic tank further removes organic matters which are difficult to degrade, soluble inorganic matters which can cause eutrophication of water bodies such as nitrogen and phosphorus, and the like, so that inorganic pollutants in the sewage reach the discharge standard, the bottom in the aerobic tank is provided with an aeration pipe, and air which is filtered by the microporous membrane filter from outside bacteria is discharged into the aerobic tank by the exhaust pump and the aeration pipe, so that the growth of aerobic bacteria in the aerobic tank is facilitated, the blown gas stirs the sewage in the aerobic tank, the sewage treatment efficiency is also improved, the aerobic bacteria and the anaerobic bacteria on the anaerobic biomembrane and the aerobic biomembrane cannot fall off, and the oxidation effect of the aerobic bacteria and the anaerobic bacteria on the sewage is increased; finally, the photocatalysis effect is realized in the collection and purification tank through the ultraviolet lamp and the photocatalyst plate, the undecomposed organic matters are oxidized and decomposed, the cell membranes of bacteria and the proteins of solidified viruses are destroyed, the bacteria are killed, the organic pollutants are decomposed into pollution-free water and carbon dioxide, and the organic matters and inorganic matters in the sewage are effectively removed.
2. The invention is also provided with a back flushing pump and a back flushing pipe, the other end of the back flushing pipe sequentially penetrates through the anaerobic tank and the aerobic tank and extends towards the interior of the filter tank, the end part of the back flushing pipe is communicated with a spray head which is positioned above the fine-hole filter screen plate, the back flushing pipe positioned in the anaerobic tank and the aerobic tank is provided with a plurality of water permeable holes, when the back flushing pump runs, sewage is sprayed out from the top of the filter tank and the water permeable holes through the back flushing pipe and the spray head, the washing of the fine-hole filter screen plate is realized, the washing of the anaerobic tank and the aerobic tank is also realized, the fine-hole filter screen plate is not required to be unpicked and washed manually, the manual consumption is reduced, the sewage after washing can be purified again through the filter tank, the anaerobic tank, the aerobic tank and the collecting and purifying tank, the secondary utilization of the sewage is realized, and the problem of mesh blockage of, the efficiency of water purification is increased.
Drawings
FIG. 1 is a sectional view showing the internal structure of a biofilm sewage treatment apparatus according to the present invention;
FIG. 2 is an external structural view of a biofilm sewage treatment apparatus according to the present invention;
FIG. 3 is a top view of a flocculation tube arrangement of a biofilm sewage treatment apparatus according to the present invention;
FIG. 4 is an electrical connection diagram of a biofilm sewage treatment apparatus according to the present invention.
Description of reference numerals:
1. a filtration tank; 2. an anaerobic tank; 3. an aerobic tank; 4. collecting and purifying the wastewater; 5. a first flow pipe; 6. a controller; 7. a control panel; 8. a transverse plate; 9. a filtration zone; 10. a garbage storage area; 11. a fine-pore filter screen plate; 12. a sewage inlet; 13. a first perforated plate; 14. anaerobic biofilms; 15. a flocculation pipe; 16. a first water pump; 17. a second perforated plate; 18. an aerobic biofilm; 19. an ultraviolet lamp; 20. a photocatalyst plate; 21. a drain pipe; 22. a shower head; 23. a backwash pipe; 24. a backwash pump; 25. a microporous membrane filter; 26. a discharge passage; 27. a return pipe; 28. a one-way valve; 29. a second water pump; 30. filtering with a screen; 31. an aeration pipe; 32. an exhaust pump.
Detailed Description
The following description of the preferred embodiments and accompanying fig. 1-4 are used in conjunction with the accompanying drawings in the embodiments of the invention to illustrate the preferred embodiments.
The utility model provides a biomembrane sewage treatment device, including filtering ponds 1, anaerobism pond 2, good oxygen pond 3 and collection purifying pond 4, carry out physical separation with impurity and sewage in the filtering ponds 1, anaerobism pond 2 is used for being colloid and the organic pollutant of dissolved state in the sewage and passes through the anaerobe and decompose, organic matter and nitrogen that difficult degradation can be got rid of to good oxygen pond 3, phosphorus etc. can lead to water eutrophication's soluble inorganic matter, it is used for decomposing into water and carbon dioxide with the organic matter that does not decompose to collect purifying pond 4 and discharges again, filtering ponds 1 and anaerobism pond 2 are through-connection through first runner pipe 5, anaerobism pond 2, good oxygen pond 3 and collection purifying pond 4 are through second runner pipe through-connection, sewage is by filtering ponds 1 through first runner pipe 5 and second runner pipe, anaerobism pond 2, good oxygen pond 3 and collection purifying pond 4 circulate in proper order.
The top of the filtering tank 1 is provided with a sewage inlet 12, sewage enters the filtering tank 1 from the sewage inlet 12, the filtering tank 1 is divided into a filtering area 9 and a garbage storage area 10 from top to bottom by a transverse plate 8, a funnel-shaped fine-pore filtering screen plate 11 is arranged in the filtering area 9, the fine-pore filtering screen plate 11 in the filtering area 9 separates the sewage from impurities, so that the sewage is positioned on the transverse plate 8, a first water suction pump 16 is arranged on a first flow pipe 5, the sewage enters the anaerobic tank 2 through the first flow pipe 5 under the auxiliary action of the first water suction pump 16, the bottom of the fine-pore filtering screen plate 11 penetrates through the transverse plate 8 and is communicated with the garbage storage area 10, and at the moment, the impurities and partial sewage in the sewage enter the garbage storage area 10; the outer side wall of the filtering tank 1 is further provided with a return pipe 27, one end of the return pipe 27 is communicated with the garbage storage area 10, the other end of the return pipe 27 is communicated with the filtering area 9, sewage in the garbage storage area 10 is sucked into the filtering area 9 through the return pipe 27, the return pipe 27 located in the filtering area 9 is located above the fine-pore filtering screen plate 11, the return pipe 27 is provided with a one-way valve 28 and a second water pump 29 used for sucking the sewage in the garbage storage area 10 into the filtering area 9, the one-way valve 28 enables the sewage to only enter the filtering area 9 from the garbage storage area 10 in the return pipe 27, a filter screen 30 is arranged in the return pipe 27 close to the garbage storage area 10, the filter screen 30 is used for separating the sewage in the garbage storage area 10 from garbage, water in the garbage storage area 10 conveniently flows into the filtering tank 1 through the return pipe 27 for filtering again, and a discharge channel 26 used for discharging garbage is further arranged.
The bottom of the anaerobic tank 2 is provided with a first porous plate 13, the top of the first porous plate 13 is provided with a plurality of groups of anaerobic biofilms 14 side by side, anaerobic bacteria on the anaerobic biofilms 14 decompose organic pollutants in a colloid and dissolved state in sewage, each group of anaerobic biofilms 14 consists of two anaerobic biological valves, the anaerobic biological valves are crossed, so that the contact area of the anaerobic biological membrane 14 and sewage is increased, and the water purification efficiency of anaerobic microorganisms is improved, a flocculation pipe 15 filled with a natural organic polymer flocculant is arranged at the bottom of the first porous plate 13, a circulation hole is formed in the flocculation pipe 15, the organic polymer flocculant in the flocculation pipe 15 is convenient for the first porous plate 13 and the circulation hole to flocculate organic matters in the sewage, one end of the first circulation pipe 5 penetrates through the side wall of the filtering tank 1 and extends into the filtering area 9, and the other end penetrates through the side wall of the anaerobic tank 2 and is communicated with the flocculation pipe 15; be provided with the link on the bottom lateral wall of anaerobism pond 2, flocculation pipe 15 is bow-shaped through the link and arranges in the bottom of anaerobism pond 2, has increased the area of contact with sewage, and the main component of the natural organic polymer flocculant in the flocculation pipe 15 is natural organic polymer, not only can not pollute anaerobic microorganisms, has realized the purpose of supplementary water purification moreover.
A plurality of aerobic biofilms 18 are arranged in the aerobic tank 3 side by side, a second porous plate 17 is arranged in the aerobic tank 3, a plurality of aerobic biofilms 18 are arranged in the top of the second porous plate 17 side by side, the aerobic bacteria on the aerobic biofilms 18 further remove refractory organic matters, nitrogen, phosphorus and other soluble inorganic matters which can cause eutrophication of water, and the like, the bottom of the second porous plate 17 is provided with an aeration pipe 31 which is arranged in a snake shape, any end of the aeration pipe 31 penetrates through the side wall of the aerobic tank 3 and extends outwards, and is connected with the exhaust port of the exhaust pump 32, the aeration pipe 32 extending into the aerobic tank 3 is provided with an exhaust hole, the exhaust pump can blow air into the aerobic tank 3, not only provides oxygen for aerobic bacteria in the aerobic tank 3, moreover, the sewage in the aerobic tank 3 is stirred, the contact area between the aerobic biomembrane 14 and the sewage is increased, and the water purification efficiency of aerobic microorganisms is improved; the microporous membrane filter 25 is arranged in the aeration pipe 31 between the exhaust pump 32 and the aerobic tank 3, the microporous membrane filter 25 can filter strains in the air, and bacteria in the air are prevented from entering the aerobic tank 3, so that the growth of aerobic bacteria in the aerobic tank 3 is influenced.
The collecting and purifying tank 4 is also provided with a back flushing pipe 23, the back flushing pipe 23 sequentially penetrates through the anaerobic tank 2 and the aerobic tank 3 and extends towards the interior of the filtering tank 1, the treated water in the collecting and purifying tank 4 enters the filtering tank 1, the anaerobic tank 2 and the aerobic tank 3 through the back flushing pipe 23 and cleans the filtering tank 1, the anaerobic tank 2 and the aerobic tank 3, the end part of the back flushing pipe 23 is communicated with a spray head 22, the spray head 22 is positioned above the fine pore filter screen plate 11, the treated water is sprayed out through the spray head 22 and washes the fine pore filter screen plate 11 through the treated water, the self-cleaning purpose of the fine pore filter screen plate 11 is realized, the blockage of the fine pore filter screen plate 11 is effectively avoided, and the water purifying efficiency is increased; a plurality of water permeable holes are formed in the backwashing pipe 23 positioned in the anaerobic tank 2 and the aerobic tank 3, the treated water enters the anaerobic tank 2 and the aerobic tank 3 through the water permeable holes, the anaerobic tank 2 and the aerobic tank 3 are cleaned, a backwashing pump 24 is arranged on the backwashing pipe 23, and the treated water can conveniently enter the filter tank 1, the anaerobic tank 2 and the aerobic tank 3 through the backwashing pump 24; the side wall of the collecting and purifying tank 4 is also provided with a controller 6 and a control panel 7, the control panel 7 is provided with a switch, the exhaust pump 32, the back washing pump 24, the first water pump 16, the second water pump 29, the ultraviolet lamp 19 and the control panel 7 are respectively electrically connected with the controller 6, the controller 6 is electrically connected with an external power supply, and the external power supply supplies power to electrical appliances; the controller 6 of the present invention is of the type: MAM-100, the model of control panel 7 is: LL86-4J-LN, model number of the exhaust pump 32: 4a12B25R37, the backwash pump 24 model number: ISG50-160, the suction of first suction pump 16 is higher than that of second suction pump 29, the type of first suction pump 16 is: GD32-20, the model of second suction pump 16 is: NMDP 41.
The second flow pipe is also provided with a control valve, the control valve between the anaerobic tank 2 and the aerobic tank 3 is used for making sewage perform full sample reaction and facilitating full flocculation of impurities in the sewage through a natural organic polymeric flocculant in a flocculation pipe 15, and the control valve between the aerobic tank 3 and the collection and purification tank 4 facilitates full decomposition of the sewage in the aerobic tank 3 through aerobic bacteria; the valves are disposed on the garbage discharge passage 26 and the drain pipe 21, so as to facilitate the discharge of water and garbage at any time.
When the invention is used, the controller 33 is electrically connected with a power supply, then the first water suction pump 16, the second water suction pump 29 and the exhaust pump 32 are operated, sewage is discharged into the filter tank 1 from the sewage inlet 12, the sewage is firstly filtered by the fine-pore filter screen plate 11, filtrate is arranged between the fine-pore filter screen plate 11 and the transverse plate 8, filter residues fall into the garbage storage area 10, the sewage positioned in the garbage storage area 10 can be sucked into the filter area 9 by the second water suction pump 29 through the return pipe 27, then the filtering is carried out, the sewage positioned between the fine-pore filter screen plate 11 and the transverse plate 8 is subjected to simple flocculation through the flocculation pipe 15, simultaneously, the anaerobic reaction is carried out in the anaerobic tank 2, after the anaerobic reaction in the anaerobic tank 2 is carried out for a certain time, a control valve between the anaerobic tank 2 and the aerobic tank 3 is opened, the sewage flows into the aerobic tank 3 and reacts with aerobic bacteria, after the aerobic reaction in the aerobic tank 3 is carried out for a certain time, a control valve between the aerobic tank 3 and the collecting and purifying tank 4 is opened, the sewage enters the purifying tank again, and the organic molecules are subjected to photocatalytic decomposition through the photocatalyst plate 20 to form water and carbon dioxide, pure water is obtained at the moment, the pure water is discharged through the water discharge pipe 21, the filter tank 1, the anaerobic tank 2 and the aerobic tank 3 need to be cleaned after the device operates for a period of time, the control switch of the back washing pump 24 is turned on at the moment, so that the back washing pump 24 operates, and the treated water in the collecting and purifying tank 4 flows back to the filtering tank 1, the anaerobic tank 2 and the aerobic tank 3 through the backwashing pipe 23, the treated water in the filtering tank 1 is sprayed down through the spray header 22, the fine-pore filter screen plate 11 is cleaned, and the cleaned sewage is purified by the operation.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The biomembrane sewage treatment equipment is characterized by comprising a filter tank (1), an anaerobic tank (2), an aerobic tank (3) and a collection and purification tank (4), wherein the filter tank (1) is communicated with the anaerobic tank (2) through a first circulating pipe (5), and the anaerobic tank (2), the aerobic tank (3) and the collection and purification tank (4) are sequentially communicated and connected through a second circulating pipe;
the filter tank (1) is divided into a filter area (9) and a garbage storage area (10) from top to bottom through a transverse plate (8), a funnel-shaped fine-hole filter screen plate (11) is arranged in the filter area (9), the bottom of the fine-hole filter screen plate (11) penetrates through the transverse plate (8) and is communicated with the garbage storage area (10), a sewage inlet (12) is formed in the top of the filter tank (1), and a discharge channel (26) for discharging garbage is further arranged on the lower side of the filter tank (1);
a first perforated plate (13) is horizontally arranged at the inner lower part of the anaerobic tank (2), a plurality of groups of anaerobic biological membranes (14) are arranged at the top of the first perforated plate (13) side by side, a flocculation pipe (15) filled with a natural organic polymeric flocculant is arranged at the bottom of the first perforated plate (13), a circulation hole is formed in the flocculation pipe (15), one end of the first circulation pipe (5) is communicated with the filtering area (9), the other end of the first circulation pipe is communicated with the flocculation pipe (15), and a plurality of aerobic biological membranes (18) are arranged in the aerobic tank (3) side by side;
an ultraviolet lamp (19) is arranged at the top in the collecting and purifying tank (4), a photocatalyst plate (20) is arranged on the opposite side wall in the collecting and purifying tank (4), and a drain pipe (21) is also arranged on the side wall of the collecting and purifying tank (4);
the collection and purification tank (4) is also communicated with a backwashing pipe (23), the backwashing pipe (23) sequentially penetrates through the anaerobic tank (2) and the aerobic tank (3) and extends towards the interior of the filter tank (1), the end part of the backwashing pipe is communicated with a spray head (22), the spray head (22) is positioned above the fine-hole filter screen plate (11), the backwashing pipe (23) positioned in the anaerobic tank (2) and the aerobic tank (3) is provided with a plurality of water-permeable holes, and the backwashing pipe (23) is provided with a backwashing pump (24);
the garbage discharging channel (26) and the water discharging pipe (21) are provided with valves.
2. The biomembrane sewage treatment device according to claim 1, wherein a return pipe (27) is further arranged on the outer side wall of the filtering tank (1), one end of the return pipe (27) is communicated with the garbage storage area (10), the other end of the return pipe is communicated with the filtering area (9), the return pipe (27) positioned in the filtering area (9) is arranged above the fine-pore filtering screen plate (11), the return pipe (27) is provided with a one-way valve (28) and a second water suction pump (29) for sucking the sewage in the garbage storage area (10) into the filtering area (9), and a filter screen (30) is arranged in the return pipe (27) close to the garbage storage area (10).
3. A biofilm sewage treatment plant according to claim 1, wherein a first suction pump (16) is arranged on said first flow pipe (5).
4. The biofilm sewage treatment apparatus as recited in claim 1, wherein a second perforated plate (17) is provided in said aerobic tank (3), a plurality of said aerobic biofilms (18) are provided side by side on top of said second perforated plate (17), aeration pipes (31) are provided in a serpentine arrangement on bottom of said second perforated plate (17), either end of said aeration pipes (31) extends outwardly through the side wall of said aerobic tank (3) and is connected with an exhaust port of an exhaust pump (32), and exhaust holes are provided on said aeration pipes (32) extending into said aerobic tank (3).
5. The apparatus of claim 4, wherein a microporous membrane filter (25) for filtering external bacteria is further disposed in the aeration pipe (31) between the air exhaust pump (32) and the aerobic tank (3).
6. The biofilm sewage treatment apparatus as claimed in claim 1, wherein each set of said anaerobic biofilms (14) consists of two anaerobic bio-valves, and said anaerobic bio-valves are arranged in a criss-cross pattern.
7. The biofilm sewage treatment device according to claim 5, wherein a controller (6) and a control panel (7) are further arranged on the side wall of the collection and purification tank (4), the exhaust pump (32), the back flush pump (24), the first water pump (16), the second water pump (29), the ultraviolet lamp (19) and the control panel (7) are respectively electrically connected with the controller (6), and the controller (6) is electrically connected with an external power supply.
8. The biofilm sewage treatment device according to claim 1, wherein a hanging ring is arranged on the bottom side wall of the anaerobic tank (2), and the flocculation tubes (15) are arranged in an arch shape at the bottom of the anaerobic tank (2) through the hanging ring.
9. The apparatus of claim 1, wherein the second flow pipe is further provided with a control valve.
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| CN201910985044.7A CN110590080A (en) | 2019-10-16 | 2019-10-16 | Biomembrane sewage treatment equipment |
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| CN201910985044.7A CN110590080A (en) | 2019-10-16 | 2019-10-16 | Biomembrane sewage treatment equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573983A (en) * | 2020-05-26 | 2020-08-25 | 王波 | Energy-saving environment-friendly multi-sequence sewage treatment device and treatment method thereof |
| CN113443790A (en) * | 2021-07-22 | 2021-09-28 | 裴自川 | Multiple filter equipment is used in municipal sewage treatment |
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| KR20140097963A (en) * | 2013-12-17 | 2014-08-07 | 경북대학교 산학협력단 | A bioball comprising porous polyurethane foam media and device for wastewater treatment using the same and method for wastewater treatment using the same |
| CN108285242A (en) * | 2018-03-13 | 2018-07-17 | 湖州优创科技有限公司 | A kind of effective integrated sewage disposal system |
| CN109502796A (en) * | 2019-01-11 | 2019-03-22 | 沈阳建筑大学 | Efficient whirlpool flow filters water butt with solid-liquid automatic separation |
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| CN111573983A (en) * | 2020-05-26 | 2020-08-25 | 王波 | Energy-saving environment-friendly multi-sequence sewage treatment device and treatment method thereof |
| CN113443790A (en) * | 2021-07-22 | 2021-09-28 | 裴自川 | Multiple filter equipment is used in municipal sewage treatment |
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