CN114890536A - Self-generation dynamic membrane bioreactor for treating urban sewage - Google Patents

Abstract

The invention provides an authigenic dynamic membrane bioreactor for treating urban sewage, which relates to the technical field of sewage treatment and comprises an MBR membrane component, a supporting frame, a water inlet pipeline, an air outlet pipeline and an aeration device, wherein the MBR membrane component is arranged inside the supporting frame, the water inlet pipeline and the air outlet pipeline are both arranged at the top of the MBR membrane component, the water inlet pipeline is positioned in the middle of the MBR membrane component, and the water inlet pipelines are positioned at two sides of the MBR membrane component. The invention adopts the mode of arranging the buffer device at the bottom of the aeration device, and can absorb the reaction force of the water pool to the whole device when the membrane bioreactor is deployed by matching the plurality of buffer springs and the rotating rod so as to achieve the purpose of protecting the internal structure, and the telescopic supports at two sides are pushed by the impact force to expand the supporting area, and the expanded specific supporting area can be controlled by selecting the trigger rods with different lengths.

Description

A self-generated dynamic membrane bioreactor for the treatment of urban sewage

technical field

The invention relates to the technical field of sewage treatment, in particular to a self-generated dynamic membrane bioreactor for treating urban sewage.

Background technique

Membrane bioreactor is a new form of wastewater treatment system that organically combines membrane separation technology and biological treatment technology. Replacing the end secondary sedimentation tank of traditional biological treatment technology with membrane modules, maintaining high activated sludge concentration in the bioreactor, increasing the organic load of biological treatment, thereby reducing the footprint of sewage treatment facilities, and reducing residual sewage by maintaining low sludge load The amount of sludge, mainly uses the activated sludge and macromolecular organic matter in the water to be retained by the membrane separation equipment. The concentration of activated sludge (MLSS) in the membrane bioreactor system can be increased to 8000 ~ 10,000 mg/L, or even higher, and the sludge age ( SRT) can be extended to more than 30 days.

However, in the prior art, when the existing membrane bioreactor is deployed, the whole reactor is generally hoisted by a crane, and then slowly deployed into the sewage pool, while the aeration device in the membrane bioreactor is generally They are all deployed on both sides and the bottom of the device, so when the reactor is actually deployed, the aeration device at the bottom will first come into contact with the bottom of the pool. At present, the walls of the sewage pool are generally made of cement, which is relatively hard. Therefore, when the membrane bioreactor is deployed, the sewage tank is likely to generate a certain amount of reaction force on the aeration device at the bottom. When this reaction force reaches a certain level, it will cause damage, and there is a certain safety hazard. Due to the quality of the impurities in the sewage It is heavier than water molecules, so most of the particulate matter will be concentrated at the bottom of the pool, and the aeration device will be at the bottom of the sewage for a long time in the actual use process, so some particles will disappear after a long time of use. It is easy to enter the release hole in the aeration device, thereby causing the problem of blockage, which is easy to affect the normal use of the aeration device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings in the prior art, by adopting the method of arranging a buffer device at the bottom of the aeration device, and through the cooperative use of a plurality of buffer springs and a rotating rod, the water pool can be absorbed when the membrane bioreactor is deployed. The reaction force to the whole device, in order to protect the internal structure.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a self-generated dynamic membrane bioreactor for treating urban sewage, comprising an MBR membrane module, a support frame, a water inlet pipe, an air outlet pipe and an aeration device, the MBR membrane module Installed inside the support frame, the water inlet pipe and the air outlet pipe are installed on the top of the MBR membrane module, the water inlet pipe is located in the middle of the MBR membrane module, the water inlet pipe is located on both sides of the MBR membrane module, One end of the water inlet pipe and the air outlet pipe is connected to the inside of the support frame, the aeration device is fixedly installed at the bottom of the MBR membrane module, and the water inlet pipe and the air outlet pipe are connected to the aeration device through the provided support frame. The devices are kept in a state of communication. The aeration device includes a metal shell, a buffer device, an anti-clogging device and a release hole. The buffer device is fixedly installed at the bottom of the metal shell, and the anti-clogging device is fixedly installed on the metal shell. Inside the casing, the release hole is located on the top of the metal casing, and the two ends of the anti-blocking device are overlapped at the bottom of the release hole.

As a preferred embodiment, the buffer device includes a telescopic bracket, a triggering structure, a synchronizing strut and a direction-changing shaft, one end of the telescopic bracket is fixedly connected to the outer wall of the metal casing, and the triggering structure is fixedly installed on the outer wall of the metal shell. At the bottom of the metal shell, one end of the synchronizing strut is connected to the inside of the trigger structure, the other end of the synchronizing strut is fixedly connected to the outer wall of the telescopic bracket, and the direction changing shaft is installed between the reinforcing rod and the telescopic bracket. Junction.

The beneficial effect of adopting the above-mentioned further scheme is: when the synchronous support rod pushes out the telescopic support, the direction-changing rotating shaft changes the thrust in the horizontal direction to the thrust along the direction of the telescopic support through its own rotation, thereby extending the length of the telescopic support and finally connecting with the pool contact to improve the stability of the reactor in the pool.

As a preferred embodiment, the trigger structure includes a trigger rod, a movable platform, a first buffer spring, a fixed platform, a fixed block, a connecting shaft, a buffer rotation rod, a movable slider and a second buffer spring. The trigger rod One end of the first buffer spring is fixedly connected to the inside of the movable platform, the other end of the trigger rod penetrates the trigger structure, one end of the first buffer spring is fixedly connected to the outer wall of the movable platform, and the other end of the first buffer spring is fixedly connected to the On the outer wall of the fixed platform, the top of the fixed platform is fixedly connected to the inner wall of the movable platform, the fixed block is fixedly installed on the top of the movable platform, one end of the connecting shaft is fixedly connected to the inside of the fixed block, the buffer One end of the rotating rod is sleeved on the connecting shaft, the other end of the buffer rotating rod is movably connected to the inside of the movable slider, the top of the movable slider is movably connected to the inner wall of the trigger structure, and the second buffer spring One end is fixedly connected to one side of the movable slider.

The beneficial effect of adopting the above-mentioned further scheme is that the support area can be controlled by selecting trigger rods of different lengths, and the cooperation of multiple buffer springs, rotating rods and sliders can absorb the effect of the water pool on the entire membrane bioreactor when the membrane bioreactor is deployed. The reaction force of the device is used to protect the internal structure, and the telescopic brackets on both sides are pushed through the impact force to expand the supporting area.

As a preferred embodiment, the number of the fixed block, the connecting shaft, the buffer rotating rod, the movable slider and the second buffer spring is four, and the other end of the second buffer spring is provided with a limit block, and Two of the limit blocks are fixedly installed on the inner wall of the trigger structure, and the outer walls of the other two limit blocks are provided with limit guide rails, one end of the limit guide rails is fixedly connected to the edge of the fixed platform, the limit The other end of the position guide rail is provided with a transmission rod, the transmission rod is inserted into the interior of the limit guide rail, one end of the transmission rod is fixedly connected with one side of the limit block, and the other end of the transmission rod is connected with the synchronization support rod Fixed connection.

The beneficial effect of adopting the above-mentioned further scheme is: the limit block is used to push the transmission rod to control the synchronous support rod, and the whole pushing process is buffered by the buffer rotating rod, the movable slider and the second buffer spring, which can greatly shorten the synchronization support rod. The extended length of the rod, thus absorbing the reaction force of the pool to the whole device.

As a preferred embodiment, the anti-blocking device includes an engaging block, a bearing rod, a reinforcing rod, an adjustment structure, a supporting rod and a blocking panel, the engaging block is fixedly installed on both ends of the metal shell, and the bearing Both ends of the rod are fixedly connected to the inside of the connecting block, one end of the reinforcement rod is fixedly connected to the outer wall of the bearing rod, the other end of the reinforcement rod is fixedly connected to the inner wall of the metal shell, and the adjustment structure is fixed It is installed on the outer wall of the bearing rod, one end of the support rod is movably connected inside the adjustment frame, the support rod is fixedly installed on the other end of the support rod, and the support rod overlaps the bottom of the release hole.

The beneficial effect of adopting the above-mentioned further scheme is that the release hole can be protected when aeration is not performed, so as to reduce the probability of the foreign matter in the sewage entering the inside of the aeration device, thereby reducing the problem of pipeline blockage, which is helpful to help The release hole can remain unblocked for a long time.

As a preferred embodiment, the adjustment structure includes a positioning ring, a limit groove, a guide through hole, a docking platform, an anti-falling side rod and an electric telescopic rod, and the limit groove is located at the edge of the positioning ring The guide through hole is located inside the positioning ring, the anti-falling side rods are fixedly installed on both sides of the docking platform, one end of the electric telescopic rod is movably connected inside the positioning ring, and the electric telescopic rod The other end is fixedly connected to the outer wall of the docking platform, and the docking platform is located at one end of the anti-falling side rod, and the anti-falling side rod penetrates the guiding through hole.

The beneficial effect of adopting the above-mentioned further scheme is that the position of the blocking panel is controlled by the electric telescopic rod according to the actual situation, so as to close and open at any time, which can avoid affecting the normal operation of the aeration device.

As a preferred embodiment, the docking platform is fixedly installed on the outer wall of the support rod, the electric telescopic rod penetrates the support rod, and the inner wall of the positioning ring is fixedly connected to the outer wall of the bearing rod.

The beneficial effect of adopting the above-mentioned further solution is that the moving route of the support rod and the blocking panel is restricted, so as to avoid the situation of dislocation and ensure that the blocking panel can correspond to the release hole.

Compared with the prior art, the advantages and positive effects of the present invention are,

In the present invention, the buffer device is arranged at the bottom of the aeration device, and the reaction force of the pool on the whole device can be absorbed when the membrane bioreactor is deployed by the cooperation of multiple buffer springs and rotating rods, so as to protect the device. The purpose of the internal structure, and through the impact force to push the telescopic brackets on both sides to expand the support area, and the specific support area to be expanded can be controlled by selecting trigger rods of different lengths. When the synchronous rod pushes the telescopic bracket out, the direction changes. The rotating shaft changes the thrust in the horizontal direction to the thrust along the direction of the telescopic support through its own rotation, thereby extending the length of the telescopic support and finally contacting the pool to improve the stability of the reactor in the pool; in the aeration device The internal anti-blocking device can protect the release hole when aeration is not performed, so as to reduce the probability of debris in the sewage entering the inside of the aeration device, thereby reducing the problem of pipe blockage, which helps to help the release hole to be able to It is in a smooth state for a long time, so as to avoid failures during regular cleaning of the MBR membrane module, and this anti-clogging device can improve the structural strength of the entire device through the combination of the bearing rod and the reinforcement rod, thereby improving the compressive performance of the metal shell. It can withstand the impact of fast water flow, so as to achieve the purpose of prolonging the service life.

Description of drawings

1 is a perspective view of a self-generated dynamic membrane bioreactor for the treatment of urban sewage provided by the present invention;

2 is a schematic structural diagram of an aeration device for a self-generated dynamic membrane bioreactor for treating urban sewage provided by the present invention;

Figure 3 is a schematic structural diagram of a buffer device provided by the present invention for a self-generated dynamic membrane bioreactor for treating urban sewage;

4 is a schematic diagram of the internal structure of the triggering structure of a self-generated dynamic membrane bioreactor for treating urban sewage provided by the present invention;

5 is an enlarged schematic view of the structure of part A in FIG. 4 of the present invention;

6 is a schematic structural diagram of an anti-clogging device for a self-generated dynamic membrane bioreactor for treating urban sewage provided by the present invention;

FIG. 7 is an enlarged schematic view of the structure of part B in FIG. 6 of the present invention.

illustration:

1. MBR membrane module; 2. Support frame; 3. Water inlet pipe; 4. Air outlet pipe; 5. Aeration device;

51, metal shell; 52, buffer device; 53, anti-blocking device; 54, release hole;

521, telescopic bracket; 522, trigger structure; 523, synchronizing strut; 524, changing direction shaft;

5221, trigger lever; 5222, movable platform; 5223, first buffer spring; 5224, fixed platform; 5225, fixed block; 5226, connecting shaft; 5227, buffer lever; 5228, movable slider; 5229, second buffer spring ;52210, limit block; 52211, limit guide rail; 52212, transmission rod;

531, connecting block; 532, bearing rod; 533, reinforcing rod; 534, adjusting structure; 535, supporting rod; 536, blocking panel;

5341, positioning ring; 5342, limit groove; 5343, guide through hole; 5344, docking platform; 5345, anti-fall side rod; 5346, electric telescopic rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

As shown in Figures 1 and 2, the present invention provides a technical solution: a self-generated dynamic membrane bioreactor for treating urban sewage, comprising an MBR membrane module 1, a support frame 2, a water inlet pipe 3, an air outlet pipe 4 and an exposure pipe The air device 5, the MBR membrane module 1 is installed inside the support frame 2, the water inlet pipe 3 and the air outlet pipe 4 are installed on the top of the MBR membrane module 1, the water inlet pipe 3 is located in the middle of the MBR membrane module 1, and the water inlet pipe 3 is located on both sides of the MBR membrane module 1, one end of the water inlet pipe 3 and the air outlet pipe 4 are connected to the inside of the support frame 2, the aeration device 5 is fixedly installed at the bottom of the MBR membrane module 1, the water inlet pipe 3 and the outlet The air duct 4 is kept in communication with the aeration device 5 through the provided support frame 2. The aeration device 5 includes a metal shell 51, a buffer device 52, an anti-blocking device 53 and a release hole 54. The buffer device 52 is fixedly installed on the At the bottom of the metal shell 51 , the anti-clogging device 53 is fixedly installed inside the metal shell 51 , the release hole 54 is located on the top of the metal shell 51 , and the two ends of the anti-clogging device 53 overlap the bottom of the release hole 54 .

In this embodiment, the MBR membrane module 1 is installed inside the support frame 2 to be deployed in the sewage to complete the purification treatment of the sewage, and the water inlet pipe 3 and the air outlet pipe 4 can be used to clean the MBR membrane module 1 in the later stage. Provide a water source and an air source, deliver the cleaning liquid and air to the inside of the aeration device 5 and spray upward from the release hole 54 to clean the MBR membrane module 1 , the position of the release hole 54 is determined by the metal shell 51 At the same time, the structural strength of the entire metal shell 51 is reinforced by the anti-clogging device 53 , and the anti-clogging device 53 can seal the release hole 54 to reduce the probability of impurities in the sewage entering the aeration device 5 .

Example 2

As shown in FIGS. 3-5 , the buffer device 52 includes a telescopic bracket 521 , a trigger structure 522 , a synchronizing support rod 523 and a direction changing shaft 524 . One end of the telescopic bracket 521 is fixedly connected to the outer wall of the metal casing 51 , and the trigger structure 522 is fixed Installed at the bottom of the metal shell 51, one end of the synchronizing rod 523 is connected to the inside of the trigger frame 522, the other end of the synchronizing rod 523 is fixedly connected to the outer wall of the telescopic bracket 521, and the direction changing shaft 524 is installed on the reinforcing rod 533 and the outer wall. At the junction of the telescopic bracket 521, the trigger structure 522 includes a trigger rod 5221, a movable platform 5222, a first buffer spring 5223, a fixed platform 5224, a fixed block 5225, a connecting shaft 5226, a buffer rotating rod 5227, a movable slider 5228 and a second buffer Spring 5229, one end of the trigger rod 5221 is fixedly connected to the inside of the movable platform 5222, the other end of the trigger rod 5221 penetrates the trigger structure 522, one end of the first buffer spring 5223 is fixedly connected to the outer wall of the movable platform 5222, the first buffer spring 5223 The other end is fixedly connected to the outer wall of the fixed platform 5224, the top of the fixed platform 5224 is fixedly connected to the inner wall of the movable platform 5222, the fixed block 5225 is fixedly installed on the top of the movable platform 5222, and one end of the connecting shaft 5226 is fixedly connected to the fixed block Inside 5225, one end of the buffer rotating rod 5227 is sleeved on the connecting shaft 5226, the other end of the buffer rotating rod 5227 is movably connected to the inside of the movable slider 5228, and the top of the movable slider 5228 is movably connected to the inner wall of the trigger structure 522, One end of the second buffer spring 5229 is fixedly connected to one side of the movable slider 5228. The number of the fixed block 5225, the connecting shaft 5226, the buffer rotation rod 5227, the movable slider 5228 and the second buffer spring 5229 are all four. The other end of the buffer spring 5229 is provided with a limit block 52210, and two limit blocks 52210 are fixedly installed on the inner wall of the trigger structure 522, and limit guide rails 52211 are provided on the outer walls of the other two limit blocks 52210. The limit guide rails 52211 One end is fixedly connected to the edge of the fixed platform 5224, the other end of the limit guide rail 52211 is provided with a transmission rod 52212, the transmission rod 52212 is inserted into the interior of the limit guide rail 52211, and one end of the transmission rod 52212 is connected to one end of the limit block 52210. The side is fixedly connected, and the other end of the transmission rod 52212 is fixedly connected with the synchronizing support rod 523 .

In this embodiment, when the MBR membrane module 1 is deployed, the aeration device 5 at the bottom will first come into contact with the pool, and the trigger rod 5221 will first come into contact with the pool wall when in contact with the pool, and pass through the movable platform 5222 squeezes the first buffer spring 5223, the first buffer spring 5223 is installed on the fixed platform 5224, and the fixed platform 5224 is located at the bottom of the metal shell 51, so the first buffer spring 5223 can absorb a part of the reaction force, and When the movable platform 5222 squeezes the first buffer spring 5223, the fixed block 5225 simultaneously depresses one end of the buffer lever 5227, so that the buffer lever 5227 is pressed down to rotate around the connecting shaft 5226, and the buffer lever 5227 The other end is connected with the second buffer spring 5229 through the movable slider 5228, wherein the two limit blocks 52210 connected with the second buffer spring 5229 are fixed on the inner wall of the trigger structure 522, so the two limit blocks The buffer lever 5227 corresponding to 52210 will eventually compress the second buffer spring 5229 through the movable slider 5228 while rotating around the connecting shaft 5226, so as to absorb a part of the reaction force, while the limit blocks 52210 on the other two sides It is connected with the transmission rod 52212, so the buffer rod 5227 corresponding to the two limit blocks 52210 will rotate around the connecting shaft 5226 and compress the second buffer spring 5229 to push the transmission rod 52212 along the limit rail 52211. When the transmission rod 52212 moves in the same direction, the synchronizing rod 523 will be pushed again to control the length of the telescopic bracket 521, and when the synchronizing rod 523 pushes the telescopic bracket 521 out, the rotation shaft 524 will rotate by itself. The thrust in the horizontal direction is changed to the thrust along the direction of the telescopic support 521, thereby extending the length of the telescopic support 521 and finally contacting the pool, so as to improve the stability of the reactor in the pool.

Example 3

As shown in FIG. 6 and FIG. 7 , the anti-blocking device 53 includes an engaging block 531 , a bearing rod 532 , a reinforcing rod 533 , an adjusting frame 534 , a supporting rod 535 and a blocking panel 536 , and the engaging block 531 is fixedly installed on the metal shell 51 . At both ends, both ends of the bearing rod 532 are fixedly connected to the interior of the connecting block 531 , one end of the reinforcing rod 533 is fixedly connected to the outer wall of the bearing rod 532 , and the other end of the reinforcing rod 533 is fixedly connected to the inner wall of the metal shell 51 , the adjustment structure 534 is fixedly installed on the outer wall of the bearing rod 532, one end of the support rod 535 is movably connected inside the adjustment structure 534, the support rod 535 is fixedly installed on the other end of the support rod 535, and the support rod 535 overlaps the release hole 54 bottom, the adjustment structure 534 includes a positioning ring 5341, a limit groove 5342, a guide through hole 5343, a docking platform 5344, an anti-falling side rod 5345 and an electric telescopic rod 5346, and the limit groove 5342 is located at the edge of the positioning ring 5341 The guide through hole 5343 is located inside the positioning ring 5341, the anti-falling side rods 5345 are fixedly installed on both sides of the docking platform 5344, and one end of the electric telescopic rod 5346 is movably connected inside the positioning ring 5341. The other end is fixedly connected to the outer wall of the docking platform 5344. The docking platform 5344 is located at one end of the anti-falling side rod 5345. The anti-falling side rod 5345 penetrates the guide through hole 5343. The rod 5346 penetrates through the support rod 535 , and the inner wall of the positioning ring 5341 is fixedly connected to the outer wall of the bearing rod 532 .

In this embodiment, the anti-blocking device 53 is installed inside the metal shell 51 through the engaging block 531 , the bearing rod 532 and the reinforcing rod 533 , and the blocking panel 536 will be supported by the supporting rod 535 and the adjusting structure 534 in a normal state. The bottom is fitted under the release hole 54 to reduce the probability of the debris in the sewage entering the inside of the aeration device 5, thereby reducing the problem of pipe blockage, helping to help the release hole 54 to be in a smooth state for a long time, and When the aeration device 5 needs to be used, the operator can activate the electric telescopic rod 5346 to drive the docking platform 5344 to move in the direction of the limiting groove 5342. The moving route of the docking platform 5344 is limited by the limiting groove 5342 and the anti-falling side. The restriction of the rod 5345 and the guide through hole 5343 is to avoid the situation of misalignment, to ensure that the blocking panel 536 can correspond to the release hole 54, and this anti blocking device 53 can be used in combination with the bearing rod 532 and the reinforcement rod 533. The structural strength of the device can further improve the compressive performance of the metal shell 51, so that the metal shell 51 can withstand the impact of the water flow with a faster flow rate, so as to achieve the purpose of prolonging the service life.

working principle:

As shown in Figure 1-7, when the MBR membrane module 1 is deployed, the aeration device 5 at the bottom will first come into contact with the pool, and the trigger rod 5221 will first come into contact with the pool wall when in contact with the pool, and pass through The movable platform 5222 squeezes the first buffer spring 5223, and the first buffer spring 5223 is installed on the fixed platform 5224, and the fixed platform 5224 is located at the bottom of the metal shell 51, so the first buffer spring 5223 can absorb a part of the reaction force , while the movable platform 5222 squeezes the first buffer spring 5223 and simultaneously presses one end of the buffer lever 5227 through the fixed block 5225, so the buffer lever 5227 is pressed down to rotate around the connecting shaft 5226, and the buffer rotates The other end of the rod 5227 is connected with the second buffer spring 5229 through the movable slider 5228, wherein the two limit blocks 52210 connected with the second buffer spring 5229 are fixed on the inner wall of the trigger structure 522, so the two limit blocks 52210 The buffer lever 5227 corresponding to the position block 52210 will eventually compress the second buffer spring 5229 through the movable slider 5228 while rotating around the connecting shaft 5226, so as to absorb a part of the reaction force, and the limit positions on the other two sides The block 52210 is connected with the transmission rod 52212, so the buffer rod 5227 corresponding to the two limit blocks 52210 will push the transmission rod 52212 along the limit rail while rotating around the connecting shaft 5226 and compressing the second buffer spring 5229 When the transmission rod 52212 moves in the direction of the 52211, it will push the synchronization rod 523 again to control the length of the telescopic bracket 521. When the synchronization rod 523 pushes the telescopic bracket 521 out, the direction changing shaft 524 will pass through itself. The rotation of the horizontal direction changes the thrust in the horizontal direction to the thrust along the direction of the telescopic bracket 521, thereby extending the length of the telescopic bracket 521 and finally contacting the pool. The purification treatment of sewage, and the water inlet pipe 3 and the air outlet pipe 4 can provide water and air sources when cleaning the MBR membrane module 1 in the later stage, and transport the cleaning liquid and air to the inside of the aeration device 5 and release the hole from the release hole. 54 is sprayed upward to clean the MBR membrane module 1. The position of the release hole 54 is determined by the metal shell 51. At the same time, the structural strength of the entire metal shell 51 is reinforced by the anti-clogging device 53. At the same time, the anti-clogging device 53 The release hole 54 can be closed. The anti-blocking device 53 is installed inside the metal shell 51 through the engaging block 531, the bearing rod 532 and the reinforcing rod 533. In the normal state, the blocking panel 536 will be in the support rod 535 and the adjustment. The structure 534 is supported under the release hole 54, so as to reduce the probability of debris in the sewage entering the inside of the aeration device 5, thereby reducing the problem of pipe blockage, and helping the release hole 54 to be unblocked for a long time. state, and when it is necessary to use an aeration device When it is set to 5, the operator can start the electric telescopic rod 5346 to drive the docking platform 5344 to move in the direction of the limit groove 5342. The movement route of the docking platform 5344 is limited by the limit groove 5342, the anti-falling side rod 5345 and the guide channel. The limitation of the hole 5343 is to avoid the situation of dislocation, to ensure that the blocking panel 536 can correspond to the release hole 54, and the anti-blocking device 53 can improve the structural strength of the whole device through the combination of the bearing rod 532 and the reinforcing rod 533, Further, the effect of improving the compression resistance performance of the metal shell 51 is achieved, so that the metal shell 51 can withstand the impact of the water flow with a relatively fast flow rate, so as to achieve the purpose of prolonging the service life.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications to equivalent changes. The embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solutions of the present invention without departing from the content of the technical solutions of the present invention.

Claims (7)

1. A self-generated dynamic membrane bioreactor for treating urban sewage, comprising an MBR membrane module (1), a support frame (2), a water inlet pipe (3), an air outlet pipe (4) and an aeration device (5), the The MBR membrane assembly (1) is installed inside the support frame (2), the water inlet pipe (3) and the air outlet pipe (4) are both installed on the top of the MBR membrane assembly (1), and the water inlet pipe ( 3) Located in the middle of the MBR membrane module (1), the water inlet pipe (3) is located on both sides of the MBR membrane module (1), and both ends of the water inlet pipe (3) and the air outlet pipe (4) are connected Inside the support frame (2), the aeration device (5) is fixedly installed at the bottom of the MBR membrane module (1), and the water inlet pipe (3) and the air outlet pipe (4) pass through the provided support frame ( 2) The state of maintaining communication with the aeration device (5) is characterized in that: the aeration device (5) comprises a metal shell (51), a buffer device (52), an anti-clogging device (53) and a release device (53). A hole (54), the buffer device (52) is fixedly installed at the bottom of the metal shell (51), the anti-blocking device (53) is fixedly installed inside the metal shell (51), the release hole (54) ) is located on the top of the metal shell (51), and both ends of the anti-blocking device (53) are overlapped at the bottom of the release hole (54). 2 . The self-generated dynamic membrane bioreactor for treating urban sewage according to claim 1 , wherein the buffer device ( 52 ) comprises a telescopic support ( 521 ), a triggering structure ( 522 ), and a synchronizing support rod ( 523 ). 3 . ) and the direction changing shaft (524), one end of the telescopic bracket (521) is fixedly connected to the outer wall of the metal shell (51), and the trigger structure (522) is fixedly installed on the bottom of the metal shell (51), One end of the synchronizing strut (523) is connected to the inside of the triggering frame (522), the other end of the synchronizing strut (523) is fixedly connected to the outer wall of the telescopic bracket (521), and the direction changing shaft (524) ) is installed at the junction of the reinforcement rod (533) and the telescopic bracket (521). 3. The self-generated dynamic membrane bioreactor for treating urban sewage according to claim 2, wherein the trigger structure (522) comprises a trigger rod (5221), a movable platform (5222), a first buffer spring ( 5223), a fixed platform (5224), a fixed block (5225), a connecting shaft (5226), a buffer rotating rod (5227), a movable slider (5228) and a second buffer spring (5229), the trigger rod (5221) One end of the first buffer spring (5223) is fixedly connected to the inside of the movable platform (5222), the other end of the trigger rod (5221) penetrates the trigger structure (522), and one end of the first buffer spring (5223) is fixedly connected to the movable platform (5222). On the outer wall, the other end of the first buffer spring (5223) is fixedly connected to the outer wall of the fixed platform (5224), and the top of the fixed platform (5224) is fixedly connected to the inner wall of the movable platform (5222). The fixed block (5225) is fixedly installed on the top of the movable platform (5222), one end of the connecting shaft (5226) is fixedly connected to the inside of the fixed block (5225), and one end of the buffer rotating rod (5227) is sleeved on the connection On the rotating shaft (5226), the other end of the buffer rotating rod (5227) is movably connected to the inside of the movable slider (5228), and the top of the movable slider (5228) is movably connected to the inner wall of the trigger structure (522), One end of the second buffer spring (5229) is fixedly connected to one side of the movable slider (5228). 4. A self-generated dynamic membrane bioreactor for treating urban sewage according to claim 3, characterized in that: the fixed block (5225), the connecting shaft (5226), the buffer rotating rod (5227), the movable slider (5225) 5228) and the number of the second buffer spring (5229) are four, the other end of the second buffer spring (5229) is provided with a limit block (52210), and two of the limit blocks (52210) are fixedly installed on the Limiting guide rails (52211) are arranged on the inner wall of the triggering structure (522) and the outer walls of the other two limit blocks (52210), and one end of the limiting guide rail (52211) is fixedly connected to the fixed platform (5224). At the edge, the other end of the limit rail (52211) is provided with a transmission rod (52212), the transmission rod (52212) is inserted into the limit rail (52211), and one end of the transmission rod (52212) It is fixedly connected with one side of the limit block (52210), and the other end of the transmission rod (52212) is fixedly connected with the synchronization support rod (523). 5 . The self-generated dynamic membrane bioreactor for treating urban sewage according to claim 1 , wherein the anti-clogging device ( 53 ) comprises a connecting block ( 531 ), a bearing rod ( 532 ), and a reinforcing rod ( 533 ). 6 . ), an adjustment frame (534), a support rod (535) and a blocking panel (536), the connecting blocks (531) are fixedly installed on both ends of the metal shell (51), and the two ends of the bearing rod (532) Both ends are fixedly connected to the interior of the connecting block (531), one end of the reinforcing rod (533) is fixedly connected to the outer wall of the bearing rod (532), and the other end of the reinforcing rod (533) is fixedly connected to the metal shell On the inner wall of (51), the adjustment structure (534) is fixedly installed on the outer wall of the bearing rod (532), and one end of the support rod (535) is movably connected to the inside of the adjustment structure (534). (535) is fixedly installed on the other end of the support rod (535), and the support rod (535) overlaps the bottom of the release hole (54). 6 . The self-generated dynamic membrane bioreactor for treating urban sewage according to claim 5 , wherein the adjustment structure ( 534 ) comprises a positioning ring ( 5341 ), a limiting groove ( 5342 ), a guiding channel The hole (5343), the docking platform (5344), the anti-falling side rod (5345) and the electric telescopic rod (5346), the limit groove (5342) is located at the edge of the positioning ring (5341), the guide through The hole (5343) is located inside the positioning ring (5341), the anti-falling side rods (5345) are fixedly installed on both sides of the docking platform (5344), and one end of the electric telescopic rod (5346) is movably connected to the positioning circle Inside the ring (5341), the other end of the electric telescopic rod (5346) is fixedly connected to the outer wall of the docking platform (5344), and the docking platform (5344) is located at one end of the anti-fall off side rod (5345). The anti-dropping side rod (5345) penetrates the guide through hole (5343). 7. A self-generated dynamic membrane bioreactor for treating urban sewage according to claim 6, characterized in that: the docking platform (5344) is fixedly installed on the outer wall of the support rod (535), and the electric telescopic rod ( 5346) runs through the support rod (535), and the inner wall of the positioning ring (5341) is fixedly connected to the outer wall of the bearing rod (532).

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