Anaerobic membrane bioreactor for wastewater treatment

By introducing regulating and auxiliary devices into the anaerobic membrane bioreactor for wastewater treatment, the odor problem caused by the decay of floating matter and the clogging of the drain outlet were solved, thus improving the safety and practicality of the device.

CN223576253UActive Publication Date: 2025-11-21JIANGSU BANGJIE ENVIRONMENTAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423098709.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-21
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In existing wastewater treatment reactors, the decaying floating matter on the wastewater surface produces an unpleasant odor, affecting the working environment and safety.

Method used

An anaerobic membrane bioreactor for wastewater treatment was designed, which includes an adjustment device and an auxiliary device. The adjustment device uses a servo motor to drive a lead screw and a U-shaped frame to retrieve floating objects, while the auxiliary device uses a dredging rod and a spring to unclog the drain outlet.

Benefits of technology

It effectively retrieves floating debris, prevents odor spread, improves safety, prevents drainage outlet blockage, and enhances the practicality and stability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wastewater treatment, in particular to an anaerobic membrane bioreactor for wastewater treatment. The reaction device comprises a reaction box, a reactor is installed in the reaction box, the surface of the reaction box is communicated with a water outlet, an adjusting device is arranged on the upper surface of the reaction box and comprises a fixing frame, the fixing frame is fixedly connected with the upper surface of the reaction box, the upper surface of the reaction box is fixedly connected with an installation frame, and the installation frame is fixedly connected with the reaction box. A servo motor is installed on the surface of the fixing frame, the output end of the servo motor is fixedly connected with a lead screw, the arc surface of the lead screw is in threaded connection with a mounting block, a long rod is fixedly connected to the inner surface of the mounting frame, the arc surface of the long rod is in sliding connection with a sliding block, and a round rod is fixedly connected to one side of the mounting block. And one end of the round rod is fixedly connected with the sliding block. The problem that the environment of a working place and the safety of workers are affected due to the fact that floaters with unpleasant smell float on the surface of wastewater in the reaction box is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially relates to a wastewater treatment anaerobic membrane bioreactor. BACKGROUND

[0002] The wastewater treatment anaerobic membrane bioreactor is a kind of high-efficiency wastewater treatment device combining anaerobic biological treatment technology and membrane separation technology, when treating sewage, sewage is with a lot of garbage and suspended solids, and garbage and suspended solids can also affect the effective treatment and treatment efficiency of sewage.

[0003] One of the Chinese patents CN202222585953.1 discloses a MBR membrane bioreactor, the technical scheme is as follows: 1, the external sewage enters the inside lower end of the box through the water inlet pipe, at the same time, the external aeration mechanism is communicated with the aeration pipe to introduce air into the inside lower end of the box, so as to oxidize and decompose organic matter in the sewage, the control switch controls the motor to work, drives the rear shaft to rotate, the synchronous wheel and synchronous belt drive two shafts to rotate synchronously, the scraper between the synchronous belts can stir the sewage during aeration, so that the reaction of the sewage and air is more thorough, at the same time, the scraper contacts the bottom surface of the filter screen, which can clean the filter screen and ensure good subsequent filtering effect; 2, as the sewage level in the box rises, the sewage filtered by the filter screen enters the inside of the reaction box from the through hole at the bottom of the reaction box, the hollow fiber membrane uses its uniform pore size to intercept particles, bacteria and other impurities in water, so that they cannot pass through the hollow fiber membrane and are removed, and the clean water overflows through the hollow fiber membrane to the inside upper end of the box, and then is discharged from the water outlet pipe, since the hollow fiber membrane has a certain tensile strength, the hollow fiber membrane swings with the movement of the water flow in the reaction box, at this time, the spring can elastically limit the swing of the hollow fiber membrane to avoid the hollow fiber membrane from breaking due to excessive swing amplitude.

[0004] For the above and existing related technologies, the inventor believes that the following defects often exist: during the process of treating wastewater by the reactor in the reaction box, due to the complex composition of wastewater, there may be a large amount of rotten floating material floating on the surface of wastewater, which may produce a foul odor after rotting, resulting in a decline in the environmental quality of the workplace and making the workers feel extremely uncomfortable and even affecting safety; therefore, a wastewater treatment anaerobic membrane bioreactor is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art that there are foul-smelling floating materials on the surface of wastewater in the reaction box, which affects the environment of the workplace and the safety of workers, and proposes a wastewater treatment anaerobic membrane bioreactor.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of wastewater treatment anaerobic membrane bioreactor, including reaction box, the reactor is installed in the reaction box, the surface of the reaction box is connected with drain, the upper surface of the reaction box is equipped with adjusting device, the adjusting device includes fixed frame, the upper surface of the fixed frame and reaction box is fixedly connected, the upper surface of the reaction box is fixedly connected with mounting bracket, the surface of the fixed frame is equipped with servo motor, the output of the servo motor is fixedly connected with screw rod, the arc surface of the screw rod is threadedly connected with mounting block, the inner surface of the mounting bracket is fixedly connected with long rod, the arc surface of the long rod is slidably connected with sliding block, one side of the mounting block is fixedly connected with round bar, one end of the round bar is fixedly connected with sliding block, the arc surface of the round bar is rotatably connected with U-shaped frame, the inner surface of the U-shaped frame is fixedly connected with several L-shaped blocks, the sliding block is threadedly inserted with threaded rod, one end of the threaded rod is rotatably connected with arc block, the arc block is abutted with one side of U-shaped frame.

[0007] The effect of the above components is that by setting the adjusting device, the floating objects on the surface of the wastewater in the reaction box can be salvaged, avoiding the situation that during the process of the reactor in the reaction box treating wastewater, due to the complex components contained in the wastewater, a large amount of rotten floating objects may float on the surface of the wastewater, which may produce a foul odor after rotting, resulting in a decrease in the environmental quality of the workplace and making the staff extremely uncomfortable and even affecting safety, thereby improving the safety of the device.

[0008] Preferably, the surface of the U-shaped frame is fixedly connected with two baffles.

[0009] The effect of the above components is that the baffles can prevent the floating objects from flowing and scattering to both sides during the process of the L-shaped blocks salvaging the floating objects, thereby improving the stability of the device.

[0010] Preferably, one side of the baffle is fixedly connected with a scraper, and the scraper is slidably connected with the inner surface of the reaction box.

[0011] The effect of the above components is that the scraper can scrape off part of the viscous objects on the inner wall of the reaction box during the process of moving along the L-shaped blocks and the baffles salvaging the floating objects, thereby improving the flexibility of the device.

[0012] Preferably, the arc surface of the round bar is sleeved with a first torsional spring, the two ends of the first torsional spring are respectively fixedly connected with the mounting block and the U-shaped frame, the arc surface of the round bar is sleeved with a second torsional spring, and the two ends of the second torsional spring are respectively fixedly connected with the sliding block and the U-shaped frame.

[0013] The effect achieved by the above components is that when the staff releases the limiting of the U-shaped frame, the torsion of the torsion spring drives the U-shaped frame to rotate, and then drives the L-shaped block on the U-shaped frame and the float in the L-shaped block to automatically rotate and open, thereby facilitating the staff to handle.

[0014] Preferably, one end of the threaded rod is fixedly connected with a handle, and the surface of the handle is provided with anti-skid protrusions.

[0015] The effect achieved by the above components is that when the threaded rod needs to be rotated, the handle provides a part for convenient gripping and force application, and the staff does not need to use tools to rotate.

[0016] Preferably, the circular surface of the drain port is provided with an auxiliary device, the auxiliary device comprises an arc-shaped frame, the arc-shaped frame is fixedly connected with the circular surface of the drain port, the inner surface of the arc-shaped frame is fixedly connected with a fixed rod, the circular surface of the fixed rod is rotatably connected with a rotating plate, a dredging rod is slidably inserted into the rotating plate, and one end of the dredging rod is fixedly connected with a connecting block.

[0017] The effect achieved by the above components is that by arranging the auxiliary device, the drain port is dredged, the situation that impurities are accumulated and blocked at the drain port when the drain port is small and the impurities in the wastewater are oily and flow out of the drain port with the water is avoided, and the practicability of the device is improved.

[0018] Preferably, the circular surface of the dredging rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the rotating plate and the connecting block respectively.

[0019] The effect achieved by the above components is that the elastic force of the spring can drive the dredging rod to automatically rebound outward, and the operation step of the staff pulling the connecting block to drive the dredging rod is reduced.

[0020] In summary, the beneficial effects of the utility model are as follows:

[0021] 1. In the utility model, by arranging the adjusting device, the floating objects on the surface of the wastewater in the reaction box are dredged, the situation that the environment quality of the working place is reduced and the staff feels extremely uncomfortable and even the safety is affected due to the fact that the components in the wastewater are complex, a large amount of rotten floating objects may float on the surface of the wastewater during the process that the reactor in the reaction box processes the wastewater, and the safety of the device is improved.

[0022] 2. The utility model discloses a through set auxiliary device, reached the effect that the drainage outlet is dredged, avoided the drainage outlet place discharge waste water when, because the drainage outlet is small, and waste water can contain greasy impurity, thereby impurity with water together from the drainage outlet flows out, can be in the drainage outlet place and is accumulated and is blocked under the condition, improved the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the structure schematic diagram of adjusting device in the utility model;

[0025] Figure 3 It is the local structure schematic diagram of adjusting device in the utility model;

[0026] Figure 4 It is the structure schematic diagram of U-shaped frame in the utility model;

[0027] Figure 5 It is the A place enlarged view of the utility model; Figure 3

[0028] Figure 6 It is the structure schematic diagram of auxiliary device in the utility model.

[0029] Legend: 1, reaction box;2, reactor;3, drainage outlet;4, adjusting device;401, fixed frame;402, mounting frame;403, servo motor;404, screw rod;405, round bar;406, long rod;407, sliding block;408, U-shaped frame;409, L-shaped block;410, mounting block;411, threaded rod;412, arc block;413, baffle;414, scraper;415, first torsional spring;416, handle;417, second torsional spring;5, auxiliary device;51, arc frame;52, fixed rod;53, rotating plate;54, dredging rod;55, connecting block;56, spring. DETAILED DESCRIPTION

[0030] Refer to Figure 1 ​The utility model provides a technical scheme: a kind of anaerobic membrane bioreactor 2 for wastewater treatment, including reaction box 1, reactor 2 is installed in reaction box 1, the surface of reaction box 1 is connected with drain port 3, the upper surface of reaction box 1 is equipped with adjusting device 4, by setting adjusting device 4, reached the effect of salvaging floating object on the surface of wastewater in reaction box 1, avoid the reactor 2 in reaction box 1 in the process of treating wastewater, because of the complex component contained in wastewater, there can be a large amount of rotten floating object floating on the surface of wastewater, these floating objects can produce offensive odor after rotting, cause the environmental quality of workplace to decline and can make staff feel extremely uncomfortable even affect the situation of security, improve the security of device, the circular arc surface of drain port 3 is equipped with auxiliary device 5, by setting auxiliary device 5, reached the effect of dredging drain port 3, avoided when discharging wastewater at drain port 3, because drain port 3 is small, and wastewater can contain greasy impurities, so that impurities flow out from drain port 3 with water, possibly be accumulated and blocked at drain port 3, improve the practicability of device.

[0031] Specifically, the adjusting device 4 and the auxiliary device 5 will be described below.

[0032] Referring to Figure 2 , Figure 3 , Figure 4 and Figure 5As shown in the drawings, in the embodiment: the adjusting device 4 comprises a fixing frame 401, the fixing frame 401 is fixedly connected with the upper surface of the reaction box 1, the upper surface of the reaction box 1 is fixedly connected with a mounting frame 402, the surface of the fixing frame 401 is provided with a servo motor 403, the output end of the servo motor 403 is fixedly connected with a lead screw 404, the curved surface of the lead screw 404 is threadedly connected with a mounting block 410, the inner surface of the mounting frame 402 is fixedly connected with an elongated rod 406, the curved surface of the elongated rod 406 is slidingly connected with a sliding block 407, one side of the mounting block 410 is fixedly connected with a round rod 405, one end of the round rod 405 is fixedly connected with the sliding block 407, the curved surface of the round rod 405 is rotatably connected with a U-shaped frame 408, the inner surface of the U-shaped frame 408 is fixedly connected with a plurality of L-shaped blocks 409, the sliding block 407 is threadedly inserted with a threaded rod 411, one end of the threaded rod 411 is rotatably connected with an arc-shaped block 412, the arc-shaped block 412 abuts against one side of the U-shaped frame 408, the surface of the U-shaped frame 408 is fixedly connected with two baffles 413, the baffles 413 can prevent the floating objects from flowing and scattering to both sides during the process of being fished by the L-shaped blocks 409, thereby improving the stability of the device, one side of the baffle 413 is fixedly connected with a scraper 414, the scraper 414 is slidingly connected with the inner surface of the reaction box 1, and the scraper 414 scrapes off part of the viscous substances on the inner wall of the reaction box 1 during the process of moving along the L-shaped blocks 409 and the baffles 413 to fish the floating objects, thereby improving the flexibility of the device, the curved surface of the round rod 405 is sleeved with a first torsional spring 415, both ends of the first torsional spring 415 are fixedly connected with the mounting block 410 and the U-shaped frame 408 respectively, the curved surface of the round rod 405 is sleeved with a second torsional spring 417, both ends of the second torsional spring 417 are fixedly connected with the sliding block 407 and the U-shaped frame 408 respectively, when the staff releases the U-shaped frame 408 from the positioning, the torsional force of the torsional spring drives the U-shaped frame 408 to rotate, and then drives the L-shaped blocks 409 on the U-shaped frame 408 and the floating objects in the L-shaped blocks 409 to automatically rotate and open, thereby facilitating the staff to handle, one end of the threaded rod 411 is fixedly connected with a handle 416, the surface of the handle 416 is provided with anti-skid protrusions, when the threaded rod 411 needs to be rotated, the handle 416 provides a part which is convenient to hold and apply force, and the staff does not need to use tools to rotate.

[0033] With reference to Figure 6 As shown in the drawings, specifically, the auxiliary device 5 comprises an arc-shaped frame 51, the arc-shaped frame 51 is fixedly connected with the curved surface of the drain port 3, the inner surface of the arc-shaped frame 51 is fixedly connected with a fixed rod 52, the curved surface of the fixed rod 52 is rotatably connected with a rotating plate 53, the rotating plate 53 is slidingly inserted with a dredging rod 54, one end of the dredging rod 54 is fixedly connected with a connecting block 55, the curved surface of the dredging rod 54 is sleeved with a spring 56, both ends of the spring 56 are fixedly connected with the rotating plate 53 and the connecting block 55 respectively, the elastic force of the spring 56 can automatically drive the dredging rod 54 to rebound outward, thereby reducing the operation steps of the staff to pull the connecting block 55 to drive the dredging rod 54 by hand.

[0034] When the staff needs to salvage the floating objects in the wastewater in advance, the servo motor 403 is started, the servo motor 403 drives the mounting block 410 to move forward on the arc surface of the lead screw 404, the mounting block 410 drives the round rod 405 to move, the round rod 405 drives the sliding block 407 to move on the arc surface of the long rod 406, the sliding block 407 drives the threaded rod 411 to move, the threaded rod 411 drives the arc block 412 to move, the round rod 405 drives the U-shaped frame 408 to move, the U-shaped frame 408 drives the L-shaped block 409 and the baffle 413 to move to salvage the floating objects, and the baffle 413 drives the scraper 414 to scrape the inner surface of the reaction box 1. When the salvage is completed, the servo motor 403 is paused, the rotating handle 416 drives the threaded rod 411 to rotate, the threaded rod 411 drives the arc block 412 to move backward, and when the arc block 412 does not abut against one side of the U-shaped frame 408, the torsional force of the torsional spring will drive the U-shaped frame 408 to rotate, thereby driving the L-shaped block 409 on the U-shaped frame 408 and the floating objects in the L-shaped block 409 to automatically rotate and open. By arranging the adjusting device 4, the effect of salvaging the floating objects on the surface of the wastewater in the reaction box 1 is achieved, and the safety of the device is improved.

[0035] When the staff needs to dredge the drain outlet 3, the rotating plate 53 is rotated on the arc surface of the fixed rod 52, the rotating plate 53 drives the dredging rod 54 and the spring 56 to rotate, the dredging rod 54 drives the connecting block 55 to rotate, and when it is opposite to the drain outlet 3, the connecting block 55 is pressed to drive the dredging rod 54 to dredge the drain outlet 3. At this time, the spring 56 is in a compressed state, and when the dredging is completed, the pressing of the connecting block 55 is released, and at this time the elastic force of the spring 56 will drive the connecting block 55 to rebound backward, and the connecting block 55 drives the dredging rod 54 to automatically rebound and reset. By arranging the auxiliary device 5, the effect of dredging the drain outlet 3 is achieved, and the practicality of the device is improved.

[0036] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

Claims

1. An anaerobic membrane bioreactor for wastewater treatment comprising a reactor tank (1), characterized in that: The surface of the reaction box (1) is connected with a drain port (3), the upper surface of the reaction box (1) is provided with an adjusting device (4), the adjusting device (4) comprises a fixing frame (401), the fixing frame (401) is fixedly connected with the upper surface of the reaction box (1), the upper surface of the reaction box (1) is fixedly connected with a mounting frame (402), the surface of the fixing frame (401) is provided with a servo motor (403), the output end of the servo motor (403) is fixedly connected with a lead screw (404), the circular surface of the lead screw (404) is threadedly connected with a mounting block (410), the inner surface of the mounting frame (402) is fixedly connected with an elongated rod (406), the circular surface of the elongated rod (406) is slidably connected with a sliding block (407), one side of the mounting block (410) is fixedly connected with a circular rod (405), one end of the circular rod (405) is fixedly connected with the sliding block (407), the circular surface of the circular rod (405) is rotatably connected with a U-shaped frame (408), the inner surface of the U-shaped frame (408) is fixedly connected with a plurality of L-shaped blocks (409), the sliding block (407) is threadedly inserted with a threaded rod (411), one end of the threaded rod (411) is rotatably connected with an arc-shaped block (412), and the arc-shaped block (412) abuts one side of the U-shaped frame (408).

2. The wastewater treatment anaerobic membrane bioreactor according to claim 1, characterized in that: The surface of the U-shaped frame (408) is fixedly connected with two baffles (413).

3. The wastewater treatment anaerobic membrane bioreactor according to claim 2, characterized in that: One side of the baffle (413) is fixedly connected with a scraper (414), and the scraper (414) is slidably connected with the inner surface of the reaction box (1).

4. The wastewater treatment anaerobic membrane bioreactor according to claim 1, characterized in that: The circular surface of the circular rod (405) is sleeved with a first torsional spring (415), both ends of the first torsional spring (415) are fixedly connected with the mounting block (410) and the U-shaped frame (408), respectively, the circular surface of the circular rod (405) is sleeved with a second torsional spring (417), both ends of the second torsional spring (417) are fixedly connected with the sliding block (407) and the U-shaped frame (408), respectively.

5. The wastewater treatment anaerobic membrane bioreactor according to claim 1, wherein: One end of the threaded rod (411) is fixedly connected with a handle (416), and the surface of the handle (416) is provided with anti-skid protrusions.

6. The wastewater treatment anaerobic membrane bioreactor according to claim 1, wherein: The circular surface of the drain port (3) is provided with an auxiliary device (5), the auxiliary device (5) comprises an arc-shaped frame (51), the arc-shaped frame (51) is fixedly connected with the circular surface of the drain port (3), the inner surface of the arc-shaped frame (51) is fixedly connected with a fixed rod (52), the circular surface of the fixed rod (52) is rotatably connected with a rotating plate (53), the rotating plate (53) is slidably inserted with a dredging rod (54), one end of the dredging rod (54) is fixedly connected with a connecting block (55).

7. The wastewater treatment anaerobic membrane bioreactor according to claim 6, characterized in that: The circular surface of the dredging rod (54) is sleeved with a spring (56), both ends of the spring (56) are fixedly connected with the rotating plate (53) and the connecting block (55).

Citation Information

Patent Citations

  • MBR (Membrane Bioreactor)

    CN218232041U