Sewage treatment device adopting facultative membrane biological reaction process

By using a linear motor to drive scrapers to clean the filter plates and ramp block structure in an anaerobic membrane bioreactor, the problem of easy clogging of mesh filters was solved, achieving efficient wastewater treatment and improved effluent quality.

CN223576248UActive Publication Date: 2025-11-21BEIJING SHUNZHENG DRAINAGE CO LTD
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Patent Information

Application Number
CN202423152894.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-21
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In existing anaerobic membrane bioreactors, the mesh filter is prone to clogging, which affects the filtration efficiency.

Method used

The design incorporates a wastewater treatment device with anoxic membrane bioreactor technology. A linear motor drives scrapers to clean the filter plates, and a ramp block structure is used to prevent clogging. Further treatment is achieved through aeration pipes and packing material.

Benefits of technology

It effectively prevents filter plate clogging, ensures filtration effect, improves sewage treatment efficiency and effluent quality, and extends equipment service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sewage treatment device adopting a facultative membrane biological reaction process, which comprises a treatment tank, the top of one end of the treatment tank is fixedly connected with a water inlet pipe, and the bottom of the water inlet pipe is provided with a sludge discharge auger fixedly connected with the treatment tank; the interior of the treatment pond is divided into a rough filtration cavity and a reaction chamber through a partition plate fixedly connected to the middle, the bottom wall in the rough filtration cavity is fixedly connected with a ramp block, one side of the top end of the ramp block is fixedly connected with one end of a filter plate, the other end of the filter plate is fixedly provided with a linear motor, and the bottom of the driving end of the linear motor is fixedly connected with a scraping strip; the scraping strip abuts against the filter plate and the ramp block in a sliding mode. A plurality of aeration pipes are fixedly mounted at the bottom in the reaction chamber, and fillers fixedly mounted in the reaction chamber are arranged at the tops of the aeration pipes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a sewage treatment device containing facultative membrane biological reaction craft. BACKGROUND

[0002] Facultative membrane biological reactor technology (abbreviation "FMBR technology") is the comprehensive promotion of aerobic MBR and traditional biological technology, and its core is facultative complex symbiosis, which introduces the mud-eating bacteria to completely decompose the bacterial debris (i.e. sludge), realizes sludge zero discharge, synchronously degrades carbon, nitrogen and phosphorus, and finally discharges into the air in the form of gas, entering the natural biological cycle.

[0003] Its process flow is: domestic sewage removes suspended or floating state particulate solid material through the grid; sewage is lifted to FMBR facultative membrane biological reactor by pump, and a large number of facultative complex bacteria are cultured in the reactor; organic pollutants and inorganic pollutants such as nitrogen and phosphorus in the sewage are degraded and removed under the action of facultative complex bacteria; the sludge-water mixture is separated by filtering the membrane assembly, and the effluent is directly discharged or reused.

[0004] The process needs to remove suspended or floating state particulate solid material through the grid, and the grid will be blocked for a long time, which affects the filtering effect of the grid, therefore, the utility model provides a sewage treatment device containing facultative membrane biological reaction craft to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a sewage treatment device containing facultative membrane biological reaction craft to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a sewage treatment device containing facultative membrane biological reaction craft, comprising a treatment pool, the top of one end of the treatment pool is fixedly connected with an inlet pipe, the bottom of the inlet pipe is provided with a sludge discharge auger fixedly connected with the treatment pool;

[0007] The treatment pool is divided into a coarse filter cavity and a reaction chamber by a partition plate fixedly connected in the middle, the bottom wall in the coarse filter cavity is fixedly connected with a ramp block, one end of a filter plate is fixedly connected with the top end of one side of the ramp block, a linear motor is fixedly installed at the other end of the filter plate, the driving end bottom of the linear motor is fixedly connected with a scraping strip, and the scraping strip is in sliding contact with the filter plate and the ramp block respectively;

[0008] A plurality of aeration pipes are fixedly installed at the bottom in the reaction chamber, and the top of the aeration pipe is provided with a filler fixedly installed in the reaction chamber.

[0009] Preferably, the ramp block is a triangular prism structure.

[0010] Preferably, the top end of the partition plate is fixedly provided with a lifting pump, one end of the lifting pump is fixedly connected with a conveying pipe, the conveying pipe is arranged in the rough filtration cavity, and the other end of the lifting pump is fixedly connected with a discharge pipe, and the discharge pipe is arranged at the top of the reaction chamber.

[0011] Preferably, the top end of the scraping strip is fixedly connected with a brush, and the brush is in sliding abutting connection with the filter plate; and the bottom end of the scraping strip is fixedly connected with a silica gel strip, and the silica gel strip is in sliding abutting connection with the ramp block.

[0012] Preferably, the ramp block is arranged obliquely downward towards the sludge auger.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the filter plate is used for filtering large-particle substances in sewage, the linear motor reciprocatingly works, drives the fixedly connected scraping strip to reciprocate, the scraping strip further scrapes and cleans the filter plate, the filtering effect of the filter plate is ensured, the filter plate is prevented from being blocked, and meanwhile, the reciprocating scraping strip scrapes and cleans the inclined surface of the ramp block, so that the filtered large-particle substances are conveniently discharged and collected from the sludge auger. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is another perspective structural schematic view of the utility model;

[0016] Figure 3 It is a sectional structural schematic view of the utility model.

[0017] In the drawing: treatment pool 1, water inlet pipe 2, sludge auger 3, rough filtration cavity 4, linear motor 5, filter plate 6, scraping strip 7, partition plate 8, lifting pump 9, discharge pipe 91, conveying pipe 10, filler 11, reaction chamber 12, aeration pipe 13, ramp block 14. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Embodiment 1

[0020] Reference Figure 1 , 2For the first embodiment of the utility model, the embodiment provides a sewage treatment device containing an anoxic membrane biological reaction process, comprising a treatment tank 1, one end of the treatment tank 1 is fixedly connected with a water inlet pipe 2, the bottom of the water inlet pipe 2 is provided with a sludge discharge auger 3 fixedly connected with the treatment tank 1;

[0021] The treatment tank 1 is divided into a coarse filter cavity 4 and a reaction chamber 12 by a partition plate 8 fixedly connected in the middle, the bottom wall in the coarse filter cavity 4 is fixedly connected with a ramp block 14, one end of a filter plate 6 is fixedly connected with the top end of the ramp block 14 on one side, the other end of the filter plate 6 is fixedly installed with a linear motor 5, the bottom of the driving end of the linear motor 5 is fixedly connected with a scraping strip 7, and the scraping strip 7 is slidably abuts against the filter plate 6 and the ramp block 14.

[0022] A plurality of aeration pipes 13 are fixedly installed at the bottom in the reaction chamber 12, and the top of the aeration pipe 13 is provided with a filler 11 fixedly installed in the reaction chamber 12.

[0023] Sewage is delivered into the treatment tank 1 through the water inlet pipe 2, and the sewage first flows into the coarse filter cavity 4, and the filter plate 6 filters large particle substances in the sewage, while the linear motor 5 is electrified to work, the driving end of the linear motor 5 drives the fixedly connected scraping strip 7 to reciprocally move, the bristles of the fixedly connected scraping strip 7 scrape and clean the filter plate 6, so that the filter plate 6 is prevented from being blocked, the filtering effect of the filter plate 6 is ensured, the scraped large particle substances fall into the inclined surface of the ramp block 14 under the action of gravity, and then fall into the bottom wall of the coarse filter cavity 4 under the scraping of the scraping strip 7, the preliminarily filtered sewage passes through the filter plate 6, the booster pump 9 is electrified to work, the booster pump 9 delivers the preliminarily filtered sewage into the reaction chamber 12 through the delivery pipe 10, the aeration pipe 13 in the reaction chamber 12 works, the aeration pipe 13 adopts intermittent aeration to treat the sewage, and the internal filler 11 adopts curtain filler, so that the filler has good water purification efficiency, is easy to replace, is not easy to form a group, has strong adsorption capacity, high biological activity, strong nitrogen and phosphorus removal capacity, high mass transfer efficiency, stable operation, good effluent quality, convenient installation, long service life, and the like.

[0024] Embodiment 2

[0025] Reference Figures 1-3 For the second embodiment of the utility model, the embodiment is based on the previous embodiment, specifically, the ramp block 14 is a triangular prism structure, the large particle substances fall into the inclined surface of the ramp block 14 under the action of gravity, then fall into the bottom wall of the coarse filter cavity 4 under the scraping of the scraping strip 7, and meanwhile, the structure of the triangular prism makes the ramp block 14 have a certain inclined surface, so that the large particle substances are conveniently caused to slide.

[0026] Specifically, the top end of the partition plate 8 is fixedly provided with a lifting pump 9, one end of the lifting pump 9 is fixedly connected with a conveying pipe 10, the conveying pipe 10 is arranged in the rough filtration cavity 4, and the other end of the lifting pump 9 is fixedly connected with a discharge pipe 91 arranged at the top of the reaction chamber 12.

[0027] The preliminarily filtered sewage passes through the filter plate 6, the lifting pump 9 is powered on, the lifting pump 9 conveys the preliminarily filtered sewage to the reaction chamber 12 through the conveying pipe 10, the aeration pipe 13 in the reaction chamber 12 is powered on, and the aeration pipe 13 adopts intermittent aeration to treat the sewage.

[0028] Specifically, the top end of the partition plate 8 is fixedly provided with a lifting pump 9, one end of the lifting pump 9 is fixedly connected with a conveying pipe 10, the conveying pipe 10 is arranged in the rough filtration cavity 4, and the other end of the lifting pump 9 is fixedly connected with a discharge pipe 91 arranged at the top of the reaction chamber 12.

[0029] Specifically, the ramp block 14 is arranged obliquely downward towards the sludge auger 3, the linear motor 5 is powered on, the driving end of the linear motor 5 drives the reciprocating movement of the fixedly connected scraper 7, the fixedly connected brush of the scraper 7 scrapes and removes the filter plate 6, so that the filter plate 6 is prevented from being blocked, the filtering effect of the filter plate 6 is ensured, the large particle substances scraped and removed fall on the inclined surface of the ramp block 14 under the action of gravity, and then fall into the bottom wall of the rough filtration cavity 4 under the scraping of the scraper 7, the sludge auger 3 is started regularly to clean the sediments at the bottom of the rough filtration cavity 4, and the accumulation of the sediments is prevented.

[0030] Embodiment 3

[0031] Refer to Figures 1-3 For the third embodiment of the utility model, based on the above two embodiments, when in use, the sewage is conveyed into the treatment tank 1 through the water inlet pipe 2, the sewage first flows into the rough filtration cavity 4, the large particle substances in the sewage are filtered through the filter plate 6, meanwhile, the linear motor 5 is powered on, the driving end of the linear motor 5 drives the reciprocating movement of the fixedly connected scraper 7, the fixedly connected brush of the scraper 7 scrapes and removes the filter plate 6, so that the filter plate 6 is prevented from being blocked, the filtering effect of the filter plate 6 is ensured, the large particle substances scraped and removed fall on the inclined surface of the ramp block 14 under the action of gravity, and then fall into the bottom wall of the rough filtration cavity 4 under the scraping of the scraper 7, the preliminarily filtered sewage passes through the filter plate 6, the lifting pump 9 is powered on, the lifting pump 9 conveys the preliminarily filtered sewage to the reaction chamber 12 through the conveying pipe 10, the aeration pipe 13 in the reaction chamber 12 is powered on, and the aeration pipe 13 adopts intermittent aeration to treat the sewage, meanwhile, the internal filler 11 adopts curtain type filler, so that the filler has good water purification efficiency, the membrane is easy to replace, the filler is not easy to form a group, the starting is fast, the adsorption capacity is strong, the biological activity is high, the removal of nitrogen and phosphorus is strong, the mass transfer efficiency is high, the operation is stable, the water quality is good, the installation is convenient, the service life is long, after the treatment is completed, finally, the sewage is discharged and collected through the fixedly connected drain pipe of the treatment tank 1.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A wastewater treatment device incorporating anoxic membrane bioreactor technology, comprising a treatment tank (1), characterized in that: The top of one end of the treatment tank (1) is fixedly connected to the water inlet pipe (2), and the bottom of the water inlet pipe (2) is provided with a sludge discharge auger (3) of the treatment tank (1). The treatment tank (1) is divided into a coarse filtration chamber (4) and a reaction chamber (12) by a partition (8) fixed in the middle. The bottom wall of the coarse filtration chamber (4) is fixedly connected to a ramp block (14). One end of the filter plate (6) is fixedly connected to one side of the top of the ramp block (14). A linear motor (5) is fixedly installed at the other end of the filter plate (6). A scraper (7) is fixedly connected to the bottom of the drive end of the linear motor (5). The scraper (7) slides against the filter plate (6) and the ramp block (14) respectively. Several aeration pipes (13) are fixedly installed at the bottom of the reaction chamber (12), and the top of the aeration pipes (13) is provided with packing material (11) fixedly installed in the reaction chamber (12).

2. A wastewater treatment device comprising anoxic membrane bioreactor process according to claim 1, characterized in that: The ramp block (14) is a triangular prism structure.

3. A wastewater treatment device comprising anoxic membrane bioreactor process according to claim 1, characterized in that: A booster pump (9) is fixedly installed at the top of the partition (8). One end of the booster pump (9) is fixedly connected to a conveying pipe (10), which is located in the coarse filter chamber (4). The other end of the booster pump (9) is fixedly connected to a discharge pipe (91), which is located at the top of the reaction chamber (12).

4. A wastewater treatment device comprising anoxic membrane bioreactor process according to claim 1, characterized in that: The top end of the scraper (7) is fixedly connected with bristles and the bristles slide against the filter plate (6). The bottom end of the scraper (7) is fixedly connected with a silicone strip and the silicone strip slides against the ramp block (14).

5. A wastewater treatment device comprising anoxic membrane bioreactor process according to claim 1, characterized in that: The ramp block (14) is set obliquely downward toward the mud discharge auger (3).