CN219023923U

CN219023923U - MBR hollow fiber membrane module

Info

Publication number: CN219023923U
Application number: CN202223055292.8U
Authority: CN
Inventors: 雍文彬; 宋爱学; 邢新正
Original assignee: Jiangsu Meineng Film Material Technology Co ltd
Current assignee: Jiangsu Meineng Film Material Technology Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-16
Anticipated expiration: 2032-11-17

Abstract

The utility model provides an MBR hollow fiber membrane component, which comprises a guide supporting rod, an aeration pipe, a guide sliding plate, an aeration spray head and aeration holes, wherein the inner side of the guide supporting rod is provided with the aeration pipe, the two ends of the aeration pipe are provided with the guide sliding plate, the lower side of the annular side surface of the aeration pipe is provided with the aeration spray head, the inner side of the annular side surface of the aeration pipe is provided with the aeration holes, and the upper side of the aeration pipe is provided with an aeration connecting hose.

Description

MBR hollow fiber membrane module

Technical Field

The utility model relates to an MBR hollow fiber membrane component, and belongs to the technical field of separation membranes.

Background

The MBR process is a high-efficiency sewage treatment process combining the traditional activated sludge method and the membrane separation technology, has a simpler process structure than the traditional process, and adopts an MBR membrane biological reaction tank as main treatment equipment. Due to the separation effect of the MBR membrane, the high-concentration sewage mixed liquid can be maintained in the tank, the sewage mixed liquid has high volume load, low sludge load, no influence of polluted sludge expansion, good impact resistance, longer residence time, excellent effluent quality and wide application prospect. In practical application of MBR, the most widely used MBR membrane module is a hollow fiber MBR curtain membrane module.

Chinese patent No.: CN205461830U discloses a hollow fiber MBR membrane assembly, the utility model has high gas utilization rate, the dissolved oxygen in water is improved, the aeration membrane and the hollow fiber membrane are mixed together, the aeration is uniform, disturbance can be formed around the membrane wire, the pollution resistance of the membrane is improved, and the flux is stable, but the technical scheme aerates the hollow fiber membrane through the aeration membrane, the aeration membrane is easily blocked by dirt in water, the normal operation of the aeration membrane is affected, the aeration effect is not good enough, and an MBR hollow fiber membrane assembly is urgently needed at present to solve the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an MBR hollow fiber membrane component, so as to solve the problems in the background art, and the utility model has reasonable structure, adopts a structure that an aeration pipe moves up and down, can enable the aeration pipe to move along the hollow fiber membrane for aeration, has uniform aeration degree and good aeration effect, and does not influence the normal filtering effect of the hollow fiber membrane.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the MBR hollow fiber membrane component comprises a main water collecting pipe, an upper sealing head, a hollow fiber membrane cluster, an aeration component, a lower sealing head and a lower water collecting pipe, wherein the upper sealing head is arranged on the upper side of the hollow fiber membrane cluster, the upper water collecting pipe is arranged on the upper side of the upper sealing head, the lower sealing head is arranged on the lower side of the hollow fiber membrane cluster, the lower water collecting pipe is arranged on the lower side of the lower sealing head, the upper water collecting pipe and the lower water collecting pipe are both integrated into the main water collecting pipe on the left side, and the aeration component is arranged on the front side of the hollow fiber membrane cluster;

the aeration assembly comprises fixing baffles, guide support rods, an aeration pipe, guide sliding plates, aeration connecting hoses, aeration spray heads and aeration holes, wherein the fixing baffles are arranged on the left side and the right side of the upper sealing head and the lower sealing head, the guide support rods are arranged between the upper fixing baffle and the lower fixing baffle, the aeration pipe is arranged on the inner side of the guide support rods, the guide sliding plates are arranged at the two ends of the aeration pipe, the aeration spray heads are arranged on the lower side of the annular side face of the aeration pipe, the aeration holes are formed in the inner side of the annular side face of the aeration pipe, and the aeration connecting hoses are arranged on the upper side of the aeration pipe.

Further, a connector is arranged at the joint of the aeration connecting hose and the aeration pipe, the inner diameter of the connector is the same as the diameter of the aeration connecting hose, and the aeration connecting hose is connected with external aeration equipment.

Further, two groups of aeration pipes are arranged, the two groups of aeration pipes are identical in specification, and the two groups of aeration pipes are symmetrically arranged on the front side and the rear side of the hollow fiber membrane bundle.

Further, the aeration spray heads are provided with three groups, the three groups of aeration spray heads are equidistantly arranged on the lower side of the annular side face of the aeration pipe, the aeration holes are provided with a plurality of groups, and the plurality of groups of aeration holes are equidistantly arranged on the inner side face of the aeration pipe.

Further, a movable sleeve is assembled at the joint of the guide sliding plate and the guide supporting rod, and the inner diameter of the movable sleeve is the same as the diameter of the guide supporting rod.

By adopting the technical scheme, the utility model has the beneficial effects that: according to the MBR hollow fiber membrane component, through the fixed baffle, the guide support rod, the aeration pipe, the guide sliding plate, the aeration connecting hose, the aeration spray head and the aeration holes, the aeration pipe moves up and down, so that the aeration pipe can move along the hollow fiber membrane for aeration, the aeration degree is uniform, the aeration effect is good, the normal filtering effect of the hollow fiber membrane is not influenced, the problems that the hollow fiber membrane is aerated by the original MBR hollow fiber membrane component through the aeration membrane, the aeration membrane is easily blocked by dirt in water, the normal operation of the aeration membrane is influenced, and the aeration effect is not good are solved, and the aeration effect of the utility model is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of an MBR hollow fiber membrane module according to the present utility model;

FIG. 2 is a left side cross-sectional view of an MBR hollow fiber membrane module of the present utility model;

FIG. 3 is a schematic view of the structure of an aeration pipe in an MBR hollow fiber membrane module according to the present utility model;

in the figure: the device comprises a 1-water collecting main pipe, a 2-upper water collecting pipe, a 3-upper sealing head, a 4-hollow fiber membrane cluster, a 5-aeration component, a 51-fixed baffle, a 52-guiding support rod, a 53-aeration pipe, a 531-connector, a 54-guiding sliding plate, a 55-aeration connecting hose, a 56-aeration spray head, a 57-aeration hole, a 58-movable sleeve, a 6-lower sealing head and a 7-lower water collecting pipe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-3, the present utility model provides a technical solution: the MBR hollow fiber membrane component comprises a main water collecting pipe 1, an upper water collecting pipe 2, an upper sealing head 3, a hollow fiber membrane cluster 4, an aeration component 5, a lower sealing head 6 and a lower water collecting pipe 7, wherein the upper sealing head 3 is arranged on the upper side of the hollow fiber membrane cluster 4, the upper water collecting pipe 2 is arranged on the upper side of the upper sealing head 3, the lower sealing head 6 is arranged on the lower side of the hollow fiber membrane cluster 4, the lower water collecting pipe 7 is arranged on the lower side of the lower sealing head 6, the upper water collecting pipe 2 and the lower water collecting pipe 7 are both integrated into the main water collecting pipe 1 on the left side, and the aeration component 5 is arranged on the front side of the hollow fiber membrane cluster 4;

the aeration assembly 5 comprises a fixed baffle 51, a guide support rod 52, an aeration pipe 53, a guide sliding plate 54, an aeration connecting hose 55, an aeration spray head 56 and aeration holes 57, wherein the fixed baffle 51 is arranged on the left side and the right side of the upper seal head 3 and the lower seal head 6, the guide support rod 52 is arranged between the upper fixed baffle 51 and the lower fixed baffle 51, the aeration pipe 53 is arranged on the inner side of the guide support rod 52, the guide sliding plate 54 is arranged at the two ends of the aeration pipe 53, the aeration spray head 56 is arranged on the lower side of the annular side of the aeration pipe 53, the aeration holes 57 are formed on the inner side of the annular side of the aeration pipe 53, and the aeration connecting hose 55 is arranged on the upper side of the aeration pipe 53.

The joint of the aeration connecting hose 55 and the aeration pipe 53 is provided with a connector 531, the inner diameter of the connector 531 is the same as the diameter of the aeration connecting hose 55, the aeration connecting hose 55 is connected with external aeration equipment, and the design improves the tightness of the joint of the aeration connecting hose 55 and the aeration pipe 53 through the arranged connector 531.

The aeration pipes 53 are provided with two groups, the two groups of aeration pipes 53 have the same specification, the two groups of aeration pipes 53 are symmetrically arranged on the front side and the rear side of the hollow fiber membrane bundle 4, and the design can simultaneously carry out aeration treatment on the hollow fiber membrane bundle 4 from the front side and the rear side through the two groups of aeration pipes 53.

The aeration spray heads 56 are provided with three groups, the three groups of aeration spray heads 56 are equidistantly arranged on the lower side of the annular side face of the aeration pipe 53, the aeration holes 57 are provided with a plurality of groups, the plurality of groups of aeration holes 57 are equidistantly arranged on the inner side face of the aeration pipe 53, and the hollow fiber membrane bundle 4 can be uniformly aerated through the plurality of groups of aeration holes 57.

The connection part of the guide sliding plate 54 and the guide supporting rod 52 is provided with a movable sleeve 58, the inner diameter of the movable sleeve 58 is the same as the diameter of the guide supporting rod 52, and the design can enable the guide sliding plate 54 to slide up and down along the guide supporting rod 52 through the movable sleeve 58.

As an embodiment of the present utility model: firstly, one end of an aeration connecting hose 55 is connected with a connector 531 on an aeration pipe 53, the other end of the aeration connecting hose 55 is connected with external aeration equipment, when the hollow fiber membrane cluster 4 is required to be aerated, the external aeration equipment is started to convey gas to the aeration pipe 53 through the aeration connecting hose 55, the gas is sprayed out of the aeration pipe 53 through an aeration spray head 56 and an aeration hole 57, when the gas is sprayed out of the aeration spray head 56, a reverse thrust is generated on the aeration pipe 53 and is brought to the aeration pipe 53 to move upwards along a guide strut 52, when the gas is sprayed out of the aeration hole 57, the gas is sprayed onto the surface of the hollow fiber membrane cluster 4, dirt on the surface of the hollow fiber membrane cluster 4 is cleaned, when the aeration pipe 53 moves upwards, the aeration treatment can be carried out on the hollow fiber membrane cluster 4 from bottom to top through the aeration hole 57, and the aeration uniformity and the aeration effect of the hollow fiber membrane cluster 4 are improved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a MBR hollow fiber membrane module, includes water collecting main pipe, goes up water collecting pipe, upper head, hollow fiber membrane cluster, aeration subassembly, low head and lower water collecting pipe, its characterized in that: the upper side of the hollow fiber membrane cluster is provided with an upper sealing head, the upper side of the upper sealing head is provided with an upper water collecting pipe, the lower side of the hollow fiber membrane cluster is provided with a lower sealing head, the lower side of the lower sealing head is provided with a lower water collecting pipe, the upper water collecting pipe and the lower water collecting pipe are both integrated into a left water collecting main pipe, and the front side of the hollow fiber membrane cluster is provided with an aeration assembly;

2. The MBR hollow fiber membrane module of claim 1, wherein: the aeration connecting hose is provided with a connector at the joint of the aeration connecting hose and the aeration pipe, the inner diameter of the connector is the same as the diameter of the aeration connecting hose, and the aeration connecting hose is connected with external aeration equipment.

3. The MBR hollow fiber membrane module of claim 1, wherein: the aeration pipes are provided with two groups, the two groups of aeration pipes are identical in specification, and the two groups of aeration pipes are symmetrically arranged on the front side and the rear side of the hollow fiber membrane bundle.

4. The MBR hollow fiber membrane module of claim 1, wherein: the aeration spray heads are provided with three groups, the three groups of aeration spray heads are equidistantly arranged on the lower side of the annular side face of the aeration pipe, the aeration holes are provided with a plurality of groups, and the aeration holes are equidistantly arranged on the inner side face of the aeration pipe.

5. The MBR hollow fiber membrane module of claim 1, wherein: the guide sliding plate is provided with a movable sleeve at the joint of the guide sliding plate and the guide supporting rod, and the inner diameter of the movable sleeve is the same as the diameter of the guide supporting rod.