CN213623467U

CN213623467U - Rural domestic sewage treatment biological purification groove

Info

Publication number: CN213623467U
Application number: CN202022236768.2U
Authority: CN
Inventors: 游天建; 钟罗罗; 李俊南; 杨倩; 于海波
Original assignee: Guangdong Fenghe Water Ecological Technology Co ltd
Current assignee: Guangdong Fenghe Water Ecological Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-06
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a rural domestic sewage handles biological purification groove, including biological purification case, be the purification tank chamber in the biological purification case, be provided with the guide plate on the purification tank chamber, be provided with filter screen net on the guide plate, it is equipped with the anaerobic microorganisms membrane to adhere to on filter screen net's the mesh internal face, be provided with inlet tube and drain pipe on the biological purification case, the suction mouth has been seted up on the biological purification case, be connected with branch exhaust pipe on the suction mouth, the both ends of aspiration pump are connected with main exhaust tube respectively, retrieve the gas-supply pipe, main exhaust tube is connected with branch exhaust tube, retrieve the right-hand member and the recovery gas tank connection of gas-supply pipe. The contact time of rural sewage and a plurality of filter screen nets with anaerobic microbial membranes is improved, the efficiency and the quality of biochemical degradation reaction of organic matters in the rural sewage and the anaerobic microbial membranes are greatly improved, and the energy recovery utilization rate of methane gas generated by the biochemical degradation reaction of the organic matters and the anaerobic microbial membranes is improved.

Description

Rural domestic sewage treatment biological purification groove

Technical Field

The utility model belongs to the technical field of rural sewage treatment, specifically be a rural domestic sewage treatment biological purification groove.

Background

With the continuous improvement of the living standard of farmers, the domestic water consumption of residents in rural areas is increased day by day, and the sewage discharge amount is increased continuously, so that the rural domestic sewage needs to be treated and purified.

In the rural domestic sewage treatment process, need filter bulky solid waste earlier, sewage discharges into biological purification case and carries out biological purification treatment after that, then deposits through the setting tank to get rid of the filtration to granule suspended solid in the sewage, then, reentrant disinfect box carries out the disinfection of the sewage after filtering.

However, when sewage is discharged into the biological purification box for biochemical degradation reaction, the biological purification box mostly does not have a guide plate which is arranged in a vertical crossing manner in the purification tank cavity of the biological purification box, and also does not have a filter screen grid structure which is arranged vertically and is provided with anaerobic microbial membranes at one end of the guide plate, so that the biochemical degradation reaction efficiency and quality of organic matters in rural sewage and the anaerobic microbial membranes are low.

In addition, the biological purification box is not provided with a plurality of transversely arranged suction ports, a suction pump and a recovery gas storage tank structure, so that the energy recovery rate of methane gas generated by biochemical degradation reaction of organic matters and anaerobic microbial membranes can be greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rural domestic sewage treatment biological purification groove to solve among the prior art organic matter in the rural sewage and anaerobic microorganisms membrane's biochemical degradation reaction efficiency low quality, to the organic matter and the lower problem of anaerobic microorganisms membrane biochemical degradation reaction generated methane gas's energy recovery utilization ratio.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rural domestic sewage handles biological purification groove, includes biological purification case to and locate the aspiration pump in the biological purification case outside and retrieve the gas holder, be the purification tank chamber in the biological purification case, be provided with the guide plate on the upper and lower internal face in purification tank chamber, be provided with filter grid net on the guide plate, filter grid net is last to have densely covered a lot of filtration pores, it is equipped with anaerobic microbial film to adhere to on the mesh internal face of filter grid net, and anaerobic microbial film is the biological purification membrane commonly used among the rural domestic sewage biological purification, and biological purification membrane is through anaerobism and facultative bacteria metabolism, carries out biochemical degradation's reaction process to the organic matter in the sewage, be provided with inlet tube and drain pipe on biological purification case's the upper end roof, seted up suction opening on biological purification case's the lower extreme bottom plate, be connected with the branch trachea on the suction opening, the both ends of aspiration pump are connected with main exhaust tube exhaust, The novel metal structural part is made of 304 stainless steel except special instructions, is high in strength, corrosion-resistant and easy to weld, and the right end of the recycling gas pipe is connected with a recycling gas storage tank.

Preferably, a breathable water-resistant layer is arranged in an inner hole of the suction port, the breathable water-resistant layer is a superfine fiber transparent film prepared through electrostatic spinning, and the domestic sewage can be prevented from entering the branch suction pipe through the suction port while methane gas generated by reaction in the purification tank cavity is pumped away.

Preferably, the water inlet pipe is provided with a first valve, the water outlet pipe is provided with a second valve, and the first valve and the second valve are both common manual pipeline valves with the model of Z45X-16Q.

Preferably, the number of the guide plates is six and is divided into two groups, the guide plates of each group are arranged in a vertically crossed and transverse mode, and the effect of S-curve flowing of rural domestic sewage is achieved.

Preferably, the left end face, the right end face and the top end face of the guide plate are both arc-shaped structures, so that the smoothness of S-curve flowing of rural domestic sewage is guaranteed.

Preferably, the filter screen nets are divided into six groups and are respectively arranged on the left end face of each guide plate, the number of each group is seven and are vertically arranged, when rural domestic sewage flows in an S curve, the contact time of the rural domestic sewage and the filter screen nets with anaerobic microbial membranes can be greatly prolonged, and further the efficiency and the quality of biochemical degradation reaction of organic matters in the rural sewage and the anaerobic microbial membranes are greatly improved.

Preferably, the number of the suction ports is three, and the suction ports are arranged transversely, so that the suction efficiency of methane gas generated by biochemical degradation reaction of organic matters in rural sewage and anaerobic microbial membranes can be greatly improved.

Compared with the prior art, the beneficial effects of the utility model are that:

through the purification tank intracavity at biological purification case be provided with upper and lower crossing guide plate to be provided with the filter screen net structure that has anaerobic microbial membrane of vertical arrangement in the one end of guide plate, greatly increased rural sewage at the flow stroke that purifies the tank intracavity, and effectively improved rural sewage and a plurality of filter screen net's that have anaerobic microbial membrane contact time, and then improved the biochemical degradation reaction efficiency quality of organic matter in the rural sewage and anaerobic microbial membrane greatly.

Through a plurality of transverse arrangement suction ports that set up to be provided with the suction pump and retrieve the gas holder structure, realized carrying out the methane gas that the biochemical degradation reaction of organic matter in the rural sewage and anaerobism microbial membrane generated and carry the storage of pumping rapidly, effectively improved the energy resource recycle who generates the methane gas of the biochemical degradation reaction of organic matter and anaerobism microbial membrane and utilized.

Drawings

FIG. 1 is a sectional view of the whole structure of the present invention;

fig. 2 is a sectional view taken along line a-a of fig. 1.

In the figure: 1 biological purification box, 101 purification tank cavities, 2 water inlet pipes, 21 first valves, 3 water discharge pipes, 31 second valves, 4 guide plates, 41 filter grid nets, 411 anaerobic microbial membranes, 5 suction ports, 51 breathable water-resistant layers, 6-branch air suction pipes, 7 main air suction pipes, 71 air suction pumps, 8 recovery air conveying pipes and 9 recovery air storage tanks.

Detailed Description

Please refer to fig. 1 and fig. 2, a biological purification tank for rural domestic sewage treatment, comprising a biological purification tank 1, and an air pump 71 and a recovery air storage tank 9 which are arranged outside the biological purification tank 1, a purification tank cavity 101 is arranged in the biological purification tank 1, guide plates 4 are welded on the upper inner wall surface and the lower inner wall surface of the purification tank cavity 101, a filter screen net 41 is welded on the guide plate 4, the filter screen net 41 is divided into six groups and is respectively arranged on the left end surface of each guide plate 4, each group is seven and is vertically arranged, an anaerobic microbial membrane 411 is attached to the inner wall surface of the mesh of the filter screen net 41, a water inlet pipe 2 and a water outlet pipe 3 are arranged on the top end plate of the biological purification tank 1, a first valve 21 is arranged on the water inlet pipe 2, and a second valve.

Referring to fig. 1, a bottom plate at the lower end of a biological purification box 1 is provided with three suction ports 5, the three suction ports 5 are arranged in a transverse direction, a breathable water-resistant layer 51 is bonded in an inner hole of each suction port 5 through resin adhesive, a branch suction pipe 6 is connected to each suction port 5, two ends of a suction pump 71 are respectively connected with a main suction pipe 7 and a recovery gas pipe 8, the main suction pipe 7 is connected with the branch suction pipe 6, and the right end of the recovery gas pipe 8 is connected with a recovery gas storage tank 9.

Referring to fig. 1 and 2, the number of the flow guide plates 4 is six and is divided into two groups, the flow guide plates 4 in each group are welded in a vertically crossed and transverse arrangement, and the left end face, the right end face and the top end face of each flow guide plate 4 are both arc-shaped structures.

The working principle of the scheme is as follows: the first valve 21 and the second valve 31 are opened, the filtered rural domestic sewage is injected into the purification tank cavity 101 of the biological purification box 1 through the water inlet pipe 2, at the moment, the sewage can flow along the upper and lower crossed guide plates 4 in an S-curve manner, meanwhile, the sewage flowing in the S-curve manner can pass through each filter screen grid 41, organic matters in the sewage can perform comprehensive biochemical degradation reaction with the anaerobic microbial membranes 411 attached to the inner wall surfaces of the meshes of the filter screen grids 41, the sewage after the reaction is finished can be discharged through the drain pipe 3, the flow stroke of the rural sewage in the purification tank cavity 101 is greatly increased, the contact time between the rural sewage and the filter screen grids 41 with the anaerobic microbial membranes 411 is prolonged, and the biochemical degradation reaction efficiency quality between the organic matters in the rural sewage and the anaerobic microbial membranes 411 is greatly improved.

In addition, the air pump 71 is started, the air pump 71 works and forms a suction force at the main air pumping pipe 7 and the sub air pumping pipes 6, the organic matters in the rural sewage and the methane gas generated by the biochemical degradation reaction of the anaerobic microbial membrane 411 can be rapidly pumped away by the suction force, the pumped methane gas can be conveyed into the recovery air storage tank 9 through the recovery air conveying pipe 8 for recovery and storage, and the energy recovery utilization rate of the methane gas generated by the biochemical degradation reaction of the organic matters and the anaerobic microbial membrane 411 is improved.

Claims

1. The utility model provides a rural domestic sewage handles biological purification groove, includes biological purification case (1) to and locate aspiration pump (71) and recovery gas holder (9) in the biological purification case (1) outside, its characterized in that: be purification tank chamber (101) in biological purification case (1), be provided with guide plate (4) on the upper and lower internal face of purification tank chamber (101), be provided with filter grid net (41) on guide plate (4), adhere to on the mesh internal face of filter grid net (41) and be equipped with anaerobic microorganisms membrane (411), be provided with inlet tube (2) and drain pipe (3) on the upper end roof of biological purification case (1), suction opening (5) have been seted up on the lower extreme bottom plate of biological purification case (1), be connected with branch trachea (6) on suction opening (5), the both ends of aspiration pump (71) are connected with main aspiration tube (7), retrieve gas-supply pipe (8) respectively, main aspiration tube (7) are connected with branch trachea (6), and the right-hand member of retrieving gas-supply pipe (8) is connected with recovery gas holder (9).

2. A biological purification tank for rural domestic sewage treatment according to claim 1, wherein: and a breathable water-resistant layer (51) is arranged in an inner hole of the suction port (5).

3. A biological purification tank for rural domestic sewage treatment according to claim 1, wherein: be provided with first valve (21) on inlet tube (2), be provided with second valve (31) on drain pipe (3).

4. A biological purification tank for rural domestic sewage treatment according to claim 1, wherein: the number of the guide plates (4) is six and is equally divided into two groups, and the guide plates (4) of each group are arranged in a vertically crossed transverse arrangement mode.

5. A biological purification tank for rural domestic sewage treatment according to claim 1, wherein: the left end face, the right end face and the top end face of the guide plate (4) are both arc-shaped structures.

6. A biological purification tank for rural domestic sewage treatment according to claim 1, wherein: the filter screen nets (41) are divided into six groups and are respectively arranged on the left end face of each guide plate (4), and the number of each group is seven and the groups are vertically arranged.

7. A biological purification tank for rural domestic sewage treatment according to claim 1, wherein: the number of the suction ports (5) is three and arranged in a lateral direction.