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CN-224199244-U - Intelligent membrane separation device for efficient anaerobic biological treatment

CN224199244UCN 224199244 UCN224199244 UCN 224199244UCN-224199244-U

Abstract

The utility model discloses an intelligent membrane separation device for efficient anaerobic biological treatment, which comprises a device main body, wherein the device main body is divided into a reaction filter chamber and a membrane separation chamber by a baffle plate, an anaerobic reaction chamber of the reaction filter chamber is connected with a water inlet pipe, a filter component is arranged in the reaction filter chamber, a membrane component of the membrane separation chamber is connected with a water outlet pipe, the water outlet pipe is connected with the water inlet pipe by a water return pipe, the device main body is connected with a gas recycling component by an exhaust pipe and a gas distribution pipe, the gas distribution pipe is connected with an aeration component in the membrane separation chamber, and an oxidation-reduction potential detection electrode is arranged in the reaction filter chamber. The sewage filtering device can effectively intercept sludge by filtering the sewage through the filtering component and the membrane component, effectively slow down membrane pollution by flushing the surface of the membrane by combining the aeration component, simultaneously realize continuous sewage treatment and utilization by controlling each water valve, also accelerate the sewage filtering speed, and realize dynamic adjustment of anaerobic reaction by monitoring the completion condition of anaerobic reaction of oxidation-reduction potential reaction of the sewage.

Inventors

  • WANG SHENGCHU
  • SUN WENHAO
  • WEI ZIKAI
  • CHEN YUKUN
  • LIU WEI

Assignees

  • 玉林溢丰环保科技有限公司

Dates

Publication Date
20260505
Application Date
20250408

Claims (10)

  1. 1. The intelligent membrane separation device for the efficient anaerobic biological treatment is characterized by comprising a device main body (1), an air collection cover (23) and a gas recycling component (2), wherein the air collection cover (23) is arranged at the top of the device main body (1), the gas recycling component (2) is arranged at one side of the device main body (1), a supporting leg (28) is welded at the lower end of the device main body (1), and a control component (4), an access door (10), a mud discharging door (11) and an observation window (12) are further arranged on the front side surface of the device main body (1); The device comprises a device main body (1), and is characterized in that a baffle (6) is arranged in the middle of the device main body (1), the baffle (6) divides the device main body (1) into a reaction filter chamber (7) and a membrane separation chamber (8), the upper parts of the reaction filter chamber (7) and the membrane separation chamber (8) are communicated, a water inlet pipe orifice is formed in one side of the reaction filter chamber (7), a water inlet pipe (13) for conveying sewage is arranged on the water inlet pipe orifice, a water inlet valve (14) is arranged on the water inlet pipe (13), a water distribution component (9) communicated with the water inlet pipe (13) is arranged in the reaction filter chamber (7), a filtering component (3) for carrying out sewage filtering treatment is arranged above the water distribution component (9) in the reaction filter chamber (7), an anaerobic reaction chamber (701) for carrying out anaerobic biological reaction of sewage is arranged between the water distribution component (9) and the filtering component (3), a sludge outlet and a service port are formed in the front side of the bottom of the reaction filter chamber (7), a sludge outlet door (11) is arranged on the sludge outlet, the service door (10) is arranged on the sludge outlet, a water inlet (8) is arranged on the water outlet, a membrane separation chamber (8) is provided with a water inlet (12), and a water inlet (12) is arranged on the observation port; The gas collection sealing cover (23) is provided with a gas outlet, a detection port and a water outlet pipe orifice, wherein the gas outlet is communicated with the gas recycling component (2), the detection port is used for fixing and installing an oxidation-reduction potential detection electrode (21), the water outlet pipe orifice is provided with a water outlet pipe (16) for enabling water to flow out after membrane separation and purification, the water outlet pipe (16) is connected with a water outlet (903) of the membrane component (15), the water outlet pipe (16) is provided with a water outlet valve (17), the water outlet pipe (16) is provided with a water diversion port at the front side of the water outlet valve (17), the water diversion port is communicated with the water inlet pipe (13) through a water return pipe (18), and the water return pipe (18) is provided with a water return valve (19); The gas recycling assembly (2) comprises an exhaust pipe (201), a methane gas storage cabinet (202), a gas return pipe (203) and a methane circulating pump (204), wherein one end of the exhaust pipe (201) is in sealing connection with an air collection cover (23), the other end of the exhaust pipe is connected with the methane gas storage cabinet (202) arranged on the exhaust pipe (201), one end of the gas return pipe (203) is connected with the methane gas storage cabinet (202), the other end of the gas return pipe is connected with a gas distribution pipe (20) arranged at the bottom of a membrane separation chamber (8) of the device main body (1), part of methane stored by the methane gas storage cabinet (202) is returned to the inside of the membrane separation chamber (8) of the device main body (1), and the methane circulating pump (204) is arranged on the gas return pipe (203) and is used for pressurizing methane returned to the inside of the device main body (1) so that the returned methane has a certain pressure; The control assembly (4) comprises a control main board (401), a control button (402) and a touch screen (403), wherein the output end of the control main board (401) is electrically connected with the touch screen (403), a water inlet valve (14), a water outlet valve (17), a water return valve (19), a biogas circulating pump (204) and air valves on various pipelines of the gas recycling assembly (2), and the input end of the control main board (401) is electrically connected with the touch screen (403), the control button (402) and an oxidation reduction potential detection electrode (21).
  2. 2. An intelligent membrane separation device for efficient anaerobic biological treatment according to claim 1, characterized in that the gas collection cover (23) is conical or inverted funnel-shaped, the shape and size of the bottom of which matches the shape and size of the top of the device body (1).
  3. 3. The intelligent membrane separation device for efficient anaerobic biological treatment according to claim 1, wherein the bottom of the baffle plate (6) is fixedly arranged on the bottom of the device main body (1), and a plurality of strip-shaped sludge reflux ports (601) are formed in the bottom of the baffle plate (6) and are used for refluxing sludge precipitated in the membrane separation chamber (8) to the reaction filter chamber (7).
  4. 4. The intelligent membrane separation device for efficient anaerobic biological treatment according to claim 1, wherein the water distribution component (9) comprises a main water pipe (901), a water diversion pipe (902) and a water outlet (903), the main water pipe (901) is connected with the water inlet pipe (13), the water diversion pipe (902) is uniformly communicated with two ends of the main water pipe (901), and the water outlet (903) is uniformly formed in the upper end of the water diversion pipe (902).
  5. 5. The intelligent membrane separation device for efficient anaerobic biological treatment according to claim 1, wherein the filtering component (3) comprises a lower sieve plate (301) positioned right above the water distribution component (9), an upper sieve plate (302) is connected above the lower sieve plate (301), a filter material (303) is filled between the upper sieve plate (302) and the lower sieve plate (301), an ascending pipe (304) is connected at the upper end of the upper sieve plate (302) in a penetrating manner, a sludge cover (305) is connected below the lower sieve plate (301) from the lower end of the ascending pipe (304), and inclined plates (306) are connected on the upper side of the sludge cover (305) relative to the inner wall of the device main body (1) and the baffle (6).
  6. 6. An intelligent membrane separation device for efficient anaerobic biological treatment according to claim 1, characterized in that the upper part of the reaction filter chamber (7) is provided with an oxidation-reduction potential detection electrode (21), wherein the oxidation-reduction potential detection electrode (21) extends from the detection port of the gas collection cover (23) to the upper part of the reaction filter chamber (7).
  7. 7. The intelligent membrane separation device for efficient anaerobic biological treatment according to claim 1, wherein a sludge reflux plate (22) and an aeration assembly (5) are arranged in the membrane separation chamber (8), the sludge reflux plate (22) is arranged below the membrane assembly (15) and is inclined, the bottom of the sludge reflux plate is fixedly arranged at the bottom of the device main body (1) and is fixed with one side of the baffle (6) facing the membrane separation chamber (8), the upper end of the baffle is higher than the bottom and is inclined towards one side of the reaction filter chamber (7), the aeration assembly (5) is arranged under the membrane assembly (15), the aeration assembly (5) comprises a plurality of aeration pipes (501) corresponding to the membrane assembly (15), the bottom of each aeration pipe (501) is connected with the gas distribution pipe (20), the top end part of each aeration pipe (501) is connected with an aeration head (502), the aeration head (502) is arranged under the membrane assembly (15), and the gas generated by the aeration head (502) washes the membrane assembly (15).
  8. 8. The intelligent membrane separation device for efficient anaerobic biological treatment according to claim 7, wherein the gas distribution pipe (20) is arranged below the sludge reflux plate (22), the gas distribution pipe (20) is in a T shape, the tail part of the gas distribution pipe (20) is connected with a biogas reflux pipe arranged outside the device main body (1) into a whole, and the end part of the gas distribution pipe is fixedly connected with a plurality of aeration pipes (501) into a whole.
  9. 9. The intelligent membrane separation device for efficient anaerobic biological treatment according to claim 7, wherein the sludge reflux plate (22) is a semicircular flat plate, a plurality of through holes are formed in positions corresponding to the upper and lower parts of the membrane assembly (15), and the aeration pipe (501) passes through the sludge reflux plate (22) upwards from the lower part of the sludge reflux plate (22) through the through holes, extends into the membrane separation chamber (8) and extends to the lower part of the membrane assembly (15).
  10. 10. The intelligent membrane separation device for efficient anaerobic biological treatment according to claim 1, wherein the water inlet pipe (13) and the water outlet pipe (16) are respectively provided with a water inlet pump (24) and a water outlet pump (25), the exhaust pipe (201) is arranged between the exhaust port and the biogas storage cabinet (202) and provided with a first air valve (26), the gas return pipe (203) is arranged between the biogas circulating pump (204) and the biogas storage cabinet (202) and provided with a second air valve (27), and the water inlet pump (24), the water outlet pump (25), the first air valve (26) and the second air valve (27) are electrically connected with the output end of the control main board (401).

Description

Intelligent membrane separation device for efficient anaerobic biological treatment Technical Field The utility model relates to the technical field of sewage treatment, in particular to an intelligent membrane separation device for efficient anaerobic biological treatment. Background Anaerobic biological treatment is a biological treatment method for degrading organic matters by utilizing anaerobic microorganisms under anaerobic conditions. The method does not need to provide oxygen, converts macromolecular organic matters into small molecular compounds through the metabolism of anaerobic bacteria and facultative bacteria, finally generates gases such as methane, carbon dioxide and the like, and simultaneously generates a small amount of sludge. The anaerobic biological treatment is particularly suitable for treating high-concentration organic wastewater and sludge, and has the advantages of low energy consumption, capability of generating methane as clean energy and the like. The anaerobic membrane bioreactor (AnMBR) is a novel wastewater treatment process organically combining an anaerobic biological treatment unit and a membrane separation technology, not only retains many advantages of the anaerobic technology, but also can completely intercept microorganisms due to the introduction of a membrane component, thereby realizing the effective separation of SRT and HRT. As such, the AnMBR reactor has the advantages of high sludge concentration, long sludge age, strong impact load resistance and the like, and has good application prospect in the aspects of high concentration and complex organic wastewater treatment. However, the anaerobic reaction system of the existing anaerobic membrane bioreactor (AnMBR) is unstable and can only be controlled by means of experience of operators, and sewage generally upwards passes through a sludge bed containing granular sludge or flocculent sludge, biogas generated in an anaerobic state is internally circulated, and the treatment process generally only passes through one-time filtration, so that the sewage treatment efficiency is low, meanwhile, the treatment time is long, the sewage treatment efficiency is low, in addition, the viscosity of the sludge formed in an anaerobic environment is large, membrane pollution is more easily caused, the membrane pollution problem increases the running cost of the AnMBR, and the process application of the AnMBR is hindered. Disclosure of utility model The utility model aims to provide an intelligent membrane separation device for efficient anaerobic biological treatment, which solves the problems in the background technology. In order to achieve the above purpose, the intelligent membrane separation device for efficient anaerobic biological treatment provided by the utility model comprises a device main body, an air collection cover and a gas recycling component, wherein the air collection cover is arranged at the top of the device main body, the gas recycling component is arranged at one side of the device main body, a supporting leg is welded at the lower end of the device main body, and a control component, an access door, a mud discharging door and an observation window are further arranged on the surface of the front side of the device main body; The device comprises a device body, and is characterized in that a baffle is arranged in the middle of the device body, the device body is divided into a reaction filter chamber and a membrane separation chamber by the baffle, the upper parts of the reaction filter chamber and the membrane separation chamber are communicated, a water inlet pipe is arranged on one side of the reaction filter chamber, a water inlet pipe for conveying sewage is arranged on the water inlet pipe, a water distribution component communicated with the water inlet pipe is arranged in the reaction filter chamber, a filter component for carrying out sewage filtering treatment is arranged above the water distribution component in the reaction filter chamber, an anaerobic reaction chamber for carrying out anaerobic biological reaction of sewage is arranged between the water distribution component and the filter component in the reaction filter chamber, a sludge outlet and an overhaul port are formed in the front side of the bottom of the reaction filter chamber, a sludge outlet is arranged on the sludge outlet, the overhaul port is arranged on the overhaul port, a membrane component for carrying out membrane separation is arranged in the membrane separation chamber, and an observation port is formed in the front side of the membrane separation chamber; The gas collecting cover is provided with a gas outlet, a detection port and a water outlet pipe orifice, wherein the gas outlet is communicated with the gas recycling component, the detection port is used for fixing and installing an oxidation-reduction potential detection electrode, the water outlet pipe orifice is provided with a water outlet pipe for discharging w