Filtering module replacing device for MBR (Membrane Bioreactor) sewage treatment

By designing the guiding components and using a combination of magnetic blocks and nylon rings, the problem of swaying during membrane module replacement was solved, enabling the membrane module to rise stably, preventing sludge splashing, and improving the cleanliness of MBR wastewater treatment.

CN224047129UActive Publication Date: 2026-03-27NANJING LUTONG ENVIRONMENTAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In MBR wastewater treatment, the membrane module is heavy and shakes a lot during replacement, which can cause sludge to splash and cause secondary pollution.

Method used

The guide assembly includes a fixing ring, a magnetic block, and a pull ring. The magnetic block attracts the fixing ring, and the nylon cloth and pull ring provide guidance, reducing the swaying amplitude when the membrane module rises and preventing sludge splashing.

Benefits of technology

It effectively reduces swaying during membrane module rise, prevents sludge splashing, and ensures the stability and cleanliness of wastewater treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a filter module replacement device for MBR sewage treatment, which comprises a lifting hook and a guide assembly arranged above the lifting hook, the guide assembly comprises a fixed ring, a magnetic block and a pull ring, the fixed ring is a regular circular ring, the cross section of the fixed ring is square, the inner wall of the fixed ring is provided with a cavity, and the magnetic block is arranged in the cavity. The magnetic block is attracted and installed on the outer wall of the edge of the fixing ring, the pull ring is movably installed above the magnetic block, nylon cloth is installed in a cavity of the fixing ring in a winding mode, a notch is formed in the outer wall of the fixing ring, the starting end of the nylon cloth penetrates through the notch to be fixedly connected with the pull ring, and a fixing plate is fixedly installed at the top of the fixing ring. A lifting ring is fixedly installed on the outer wall of the top of the fixing plate, a pull ring is fixed through a pry bar, a nylon rope can be continuously led out, guiding is provided for the upper portion of the membrane set, the effect of helping the membrane set to stabilize the rising direction is achieved, the shaking amplitude of the membrane set during rising is reduced, and the situation that the splashing range of sludge is too large is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to MBR sewage treatment technical field especially relates to a filter module replacement device for MBR sewage treatment. BACKGROUND

[0002] MBR sewage treatment is a kind of modern sewage treatment technology, adopts membrane bioreactor (Membrane Bioreactor, is called MBR) technology, combines biological treatment technology and membrane separation technology.The technology replaces the secondary sedimentation tank in traditional process by membrane module, realizes efficient solid-liquid separation, and obtains directly used stable reclaimed water.

[0003] Membrane module is replaced after being used for a period, sludge is attached on membrane, the membrane module needs to be replaced, the weight of membrane module in treatment tank is larger, needs to use hoist, therefore the top of the metal frame of membrane module will be matched with the hook of lifting rod and hoist called, since the weight of membrane module is larger, after being lifted to high place, the swing amplitude is larger, sludge in damp state on membrane module is easy to splash to other cabins of treatment tank, can cause secondary pollution to sewage treated. UTILITY MODEL CONTENTS

[0004] The purpose of the present application is to provide a filter module replacement device for MBR sewage treatment to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution:

[0006] A filter module replacement device for MBR sewage treatment, comprising a lifting hook and a guide assembly installed above the lifting hook, the guide assembly comprising a fixed ring, a magnetic block and a pull ring, the fixed ring being a regular circular ring with a square cross section, a cavity being formed in the inner wall of the fixed ring, the magnetic block being attached to the outer wall of the edge of the fixed ring, the pull ring being movably attached to the top of the magnetic block, a nylon cloth being wound around the inside of the cavity of the fixed ring, a notch being formed in the outer wall of the fixed ring, the starting end of the nylon cloth being fixedly connected to the pull ring through the notch, a fixed plate being fixedly installed on the top of the fixed ring, a lifting ring being fixedly installed on the top outer wall of the fixed plate, and the bottom outer wall of the fixed ring being connected to the lifting hook through a bearing.

[0007] Preferably, a back plate is fixedly installed on the inner wall of the core of the fixed ring, a clamping rod is installed on the center of the back plate through a bearing, a coil spring is wound around the outside of the clamping rod, a through groove is formed in the inner wall of the core of the fixed ring, a connecting head is fixedly installed on the starting end of the coil spring, and the connecting head passes through the through groove and is installed inside the fixed ring. A clamping groove is formed in the middle part of the clamping rod, and the end of the coil spring is fixedly installed inside the clamping groove of the clamping rod.

[0008] Preferably, the outer wall above the magnetic block is fixedly provided with a handle, the top end of the handle and one end of the magnetic block close to the fixed ring are fixedly provided with a connecting plate, wire grooves are formed in the both ends of the connecting plate, and the initial end of the nylon cloth in the fixed ring passes through the slot of the fixed ring and the wire groove of the connecting plate.

[0009] The utility model discloses the beneficial effect is: through setting up the guide component, through the pry lever fixedly hold the pull ring, and the nylon rope will continuously go out, provide the guide to the upper of membrane group, and play the role of helping membrane group steady rising direction, reduce the swing amplitude when membrane group rises, prevent the splash range of sludge too big. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole structure schematic diagram of the utility model;

[0011] Figure 2 It is the installation structure schematic diagram of backboard and fixed ring in the utility model;

[0012] Figure 3 It is the internal structure cross section schematic diagram of magnetic block and fixed ring in the utility model;

[0013] Figure 4 It is the working state schematic diagram of lifting hook and membrane group in the utility model.

[0014] In the drawing: 1, fixed ring;2, fixed plate;3, magnetic block;4, handle;5, lifting hook;6, pull ring;7, connecting plate;8, backboard;9, disc spring;10, clamping rod;11, connecting head. DETAILED DESCRIPTION

[0015] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined. The direction terms mentioned in the utility model, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. are only the directions of the attached drawings. Therefore, the direction terms used are used to explain and understand the utility model, not to limit the utility model.

[0016] As Figures 1-4The illustrated one kind is replaced with the filter module of MBR sewage treatment, it includes lifting hook 5 and the guide assembly of installation above lifting hook 5, guide assembly includes fixed ring 1, magnetic block 3 and pull ring 6, the shape of fixed ring 1 is regular torus and cross section is square, the cavity is opened in the inner wall of fixed ring 1, magnetic block 3 is absorbed and installed at the edge outer wall of fixed ring 1, pull ring 6 is movably installed above magnetic block 3, the cavity inside of fixed ring 1 is wound and installed with nylon cloth, the outer wall of fixed ring 1 is opened with notch, the initial end of nylon cloth passes through notch and is fixedly connected with pull ring 6, the top of fixed ring 1 is fixedly installed with fixed plate 2, the top outer wall of fixed plate 2 is fixedly installed with lifting ring, the bottom outer wall of fixed ring 1 is connected through bearing with lifting hook 5.

[0017] Backplate 8 is fixedly installed in the inner wall of the ring core of fixed ring 1, clamping rod 10 is installed in the center of backplate 8 through bearing, disc spring 9 is wound and installed outside clamping rod 10, through groove is opened in the inner wall of the ring core of fixed ring 1, the initial end of disc spring 9 is fixedly installed with connecting head 11, connecting head 11 passes through through groove and is installed inside fixed ring 1. The middle part of clamping rod 10 is opened with clamping groove, the end of disc spring 9 is fixedly installed in the inside of clamping groove of clamping rod 10.

[0018] Handle 4 is fixedly installed on the outer wall above magnetic block 3, connecting plate 7 is fixedly installed between the top end of handle 4 and the end of magnetic block 3 close to fixed ring 1, wire slot is opened through both ends of connecting plate 7, the initial end of nylon cloth inside fixed ring 1 is removed through the notch of fixed ring 1 and the wire slot of connecting plate 7. The both sides of the end of magnetic block 3 and fixed ring 1 are fixedly installed with magnetic plate, and the both sides of the outer wall of fixed ring 1 are connected with magnetic plate.

[0019] The embodiment is as follows: the crane binds the steel cable with the lifting ring above the fixed plate 2, drives the fixed plate 2, the fixed ring 1 and the lifting hook 5, the operator stands above the treatment tank, hangs the lifting rod at the top of the MBR sewage treatment membrane group on the lifting hook 5, the crane first lifts the membrane group from the treatment tank to a certain height through the lifting hook 5, then the operator standing above the treatment tank holds the handle 4 above the magnetic block 3, the fixed ring 1 is connected with the lifting hook 5 through the bearing, therefore the operator can adjust the position of the handle 4 through tools or manual adjustment according to the position where the operator stands, after adjusting to the appropriate position, pulls the handle 4, separates the magnetic block 3 from the fixed ring 1, the pull ring 6 moves with the handle 4, the pull ring 6 pulls the nylon rope from inside the wire slot of the connecting plate 7, the end of the nylon rope pulls the connecting head 11 of the coil spring 9, when the coil spring 9 is pulled, the end drives the clamp rod 10 to rotate on the back plate 8, the operator pulls the magnetic block 3 to the top of the metal frame of the membrane group, and the magnetic block 3 is adsorbed and connected with the metal frame, then the operator connects the pry bar with the pull ring 6, the pry bar is inserted into the pull ring 6, the crane lifts the membrane group, the pry bar fixes the pull ring 6, when the membrane group rises, the nylon rope is continuously unwound, since the pull ring 6 is fixed, the top of the membrane group is provided with a guide, and the function of helping the membrane group to stably rise in the direction is achieved, the shaking range of the membrane group when rising is reduced, the splashing range of sludge is prevented from being too large, and the operator is facilitated to sample the sludge.

[0020] After the lifting work is completed and the membrane group keeps a distance from the treatment tank, the operator releases the pull ring 6, the coil spring 9 is automatically tightened, and the pull ring 6 returns to the end of the connecting plate 7, after the membrane group lands, the operator removes the magnetic block 3 and reabsorbs the magnetic block 3 with the fixed ring 1.

[0021] It should be noted that the parts not involved in the utility model are the same as or can be realized by the prior art; various drives in the utility model can be realized by cooperating corresponding power structures such as air cylinders, oil cylinders, electric cylinders and motors with connecting rods and guide rods, and are not limited to the description in the specification and the structure in the drawings.

[0022] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model.

Claims

1. A filter module replacement device for MBR sewage treatment, comprising a lifting hook (5) and a guide assembly installed above the lifting hook (5), characterized in that: The guiding assembly comprises a fixed ring (1), a magnetic block (3) and a pull ring (6), the fixed ring (1) is a regular circular ring with a square cross section, a cavity is formed in the inner wall of the fixed ring (1), the magnetic block (3) is attached to the outer wall of the edge of the fixed ring (1), the pull ring (6) is movably installed above the magnetic block (3), nylon cloth is wound around the inside of the cavity of the fixed ring (1), a notch is formed in the outer wall of the fixed ring (1), the starting end of the nylon cloth is fixedly connected with the pull ring (6) through the notch, a fixed plate (2) is fixedly installed on the top of the fixed ring (1), a lifting ring is fixedly installed on the top outer wall of the fixed plate (2), and the bottom outer wall of the fixed ring (1) is connected with the lifting hook (5) through a bearing.

2. The MBR sewage treatment filter module replacement device according to claim 1, characterized in that: A back plate (8) is fixedly installed on the inner wall of the ring core of the fixed ring (1), a clamping rod (10) is installed at the center of the back plate (8) through a bearing, a coil spring (9) is wound around the outside of the clamping rod (10), a through groove is formed in the inner wall of the ring core of the fixed ring (1), a connecting head (11) is fixedly installed at the starting end of the coil spring (9), the connecting head (11) passes through the through groove and is installed inside the fixed ring (1).

3. The MBR sewage treatment filter module replacement device according to claim 2, characterized in that: A clamping groove is formed in the middle part of the clamping rod (10), and the end of the coil spring (9) is fixedly installed inside the clamping groove of the clamping rod (10).

4. The MBR sewage treatment filter module replacement device according to claim 1, characterized in that: A handle (4) is fixedly installed on the outer wall above the magnetic block (3), a connecting plate (7) is fixedly installed between the top end of the handle (4) and the end of the magnetic block (3) close to the fixed ring (1), wire grooves are formed in both ends of the connecting plate (7), and the starting end of the nylon cloth inside the fixed ring (1) passes through the notch of the fixed ring (1) and the wire grooves of the connecting plate (7).

5. The MBR sewage treatment filter module replacement device according to claim 1, characterized in that: Magnetic plates are fixedly installed on both sides of the end of the magnetic block (3) close to the fixed ring (1), and the magnetic plates are attached to the outer walls of both sides of the fixed ring (1).