CN221166257U

CN221166257U - MBR membrane tank equipment for capacity expansion and standard lifting of municipal sewage treatment plant

Info

Publication number: CN221166257U
Application number: CN202322690268.XU
Authority: CN
Inventors: 韦龙; 蒋燃刚; 孙振亮; 宗飞; 张亮
Original assignee: Wuxi Bomei Environmental Technology Co ltd
Current assignee: Wuxi Bomei Environmental Technology Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-06-18
Anticipated expiration: 2033-10-08

Abstract

The utility model relates to the technical field of sewage treatment, in particular to MBR (membrane biological reactor) membrane tank equipment for capacity expansion and scale lifting of municipal sewage treatment plants, which comprises a tank body, wherein the tank body is sequentially divided into a buffer zone, a water distribution zone, an MBR membrane pond, a reflux zone and equipment rooms, a clean water tank is arranged above the equipment rooms, an MBR membrane module is arranged in the MBR membrane pond, a fan, a water producing pump, a backwash pump, a first membrane cleaning and dosing device and a second membrane cleaning and dosing device are arranged in the equipment rooms, a water inlet of the water producing pump is communicated with a water outlet of the MBR membrane module, the fan is communicated with an MBR membrane module, the water producing pump and the backwash pump are communicated with the clean water tank, and the backwash pump is respectively connected with the MBR membrane module, the first membrane cleaning and dosing device and the second membrane cleaning and dosing device; and a sludge pump is arranged in the backflow area and is connected with the sludge discharge port. The utility model simplifies the reconstruction construction content, reduces the construction quantity, reduces the construction cost and shortens the construction period.

Description

MBR membrane tank equipment for capacity expansion and standard lifting of municipal sewage treatment plant

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to MBR membrane tank equipment for capacity expansion and scale extraction of municipal sewage treatment plants.

Background

With the continuous promotion of urban land and wastewater treatment emission standard improvement in China, the capacity of some urban wastewater treatment systems cannot meet the increasingly higher wastewater treatment demands, and new or enlarged wastewater treatment plants become effective schemes for solving the contradiction. In the face of the general shortage of construction sites, MBRs are increasingly being used.

In various effective schemes of reconstruction and expansion of sewage treatment plants, the MBR process has obvious advantages due to the characteristics of stable and reliable effluent quality, small occupied area and the like. However, in the implementation process of the reconstruction and expansion project, the production and line stop are often required, the original structure is not matched with the MBR membrane module, the reconstruction workload is large, the construction difficulty is large, the construction period is long, and the like.

In the newly-built project, the method can also meet the actual conditions of numerous pipelines, complex structure, high installation requirement of the MBR membrane module and the like in the design and construction of the MBR membrane tank.

In the new construction/reconstruction project of the sewage treatment plant of the medium and small scale towns, if standardized and modularized MBR membrane tank equipment is used for replacing the traditional MBR process system design and construction scheme, the problems can be well solved.

Disclosure of utility model

The utility model solves the problems in the related art, and provides MBR membrane tank equipment for capacity expansion and scale lifting of municipal sewage treatment plants, which is used for a reconstruction project of the sewage treatment plants so as to realize reconstruction without newly increasing construction land or stopping water, simplify reconstruction work and shorten construction period; the method is used for reducing design workload in new projects of sewage treatment plants, reducing civil construction difficulty, improving the installation quality of membrane modules and shortening construction period; the intelligent sewage treatment system has reasonable design structure, stable water quality, small occupied area, low energy consumption and high intelligent degree, and is widely applied to new construction/reconstruction and expansion projects of various sewage treatment plants.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a MBR membrane tank equipment for municipal wastewater treatment plant dilatation draws mark, includes the box, the box is inside separates into buffer, water distribution district, MBR membrane pond, backward flow district, equipment room in proper order, be provided with the water inlet on the buffer, the top of equipment room is provided with the fresh water tank, be provided with MBR membrane module in the MBR membrane pond, be provided with fan, water production pump, backwash pump, first membrane cleaning charge device, second membrane cleaning charge device in the equipment room, water production pump water inlet and MBR membrane module's water gap pass through the intercommunication, the fan is linked together with the MBR membrane module all with the back timber, the back timber uses as the tuber pipe, water production pump and backwash pump all are linked together with the fresh water tank, backwash pump links to each other with MBR membrane module, first membrane cleaning charge device, second membrane cleaning charge device respectively; the mud pump is arranged in the backflow area and connected with the mud discharging port, the backflow area is provided with a backflow port, and the clear water tank is provided with a water outlet.

As a preferable scheme, the top beam is arranged at the top in the box body, an air inlet of the MBR membrane assembly is communicated with the top beam through an air inlet pipe of the MBR membrane assembly, and an air outlet of the fan is communicated with the top beam through an air outlet pipe of the fan.

As an optimal scheme, the water inlet of the water producing pump is communicated with the water producing port of the MBR membrane assembly through the water producing pump water inlet pipe and the membrane water producing pipe, and the water outlet of the water producing pump is communicated with the clean water tank through the water producing pump water outlet pipe.

As a preferable scheme, the water inlet of the backwash pump is connected with the clean water tank through the water inlet pipe of the backwash pump, and the water outlet of the backwash pump is connected with the membrane water production pipe through the backwash pump water outlet pipe and the backwash water pipe.

As the preferable scheme, the medicine outlet of the first membrane cleaning and dosing device is communicated with the backwash pump outlet pipe through a first membrane cleaning and dosing pipe, and the medicine outlet of the second membrane cleaning and dosing device is communicated with the backwash pump outlet pipe through a second membrane cleaning and dosing pipe.

Preferably, the sludge discharge port penetrates through the pool wall of the backflow area and is connected with the water outlet of the sludge discharge pump.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The MBR membrane module can be installed without cleaning the original structure of the sewage treatment plant, so that the reconstruction and the extension can be completed without stopping production/line, the reconstruction construction content is simplified, the construction quantity is reduced, the construction cost is reduced, and the construction period is shortened;

(2) The manufacturing and mounting level of the MBR membrane bioreactor can be improved through standardized and modularized design and manufacture;

(3) The design workload of newly built sewage treatment projects can be reduced, and the civil engineering design and construction difficulty can be reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

In the figure:

1. The device comprises a box body, 2, a water inlet, 3, a buffer zone, 4, a water distribution zone, 5, an MBR membrane tank, 6, a backflow zone, 7, an equipment room, 8, a clear water tank, 9, a top beam, 10, an MBR membrane module, 11, a fan, 12, a water producing pump, 13, a backwash pump, 14, a first membrane cleaning dosing system, 15, a second membrane cleaning dosing system, 16, a mud pump, 17, a membrane water producing pipe, 18, a water producing pump water inlet pipe, 19, a water producing pump water outlet pipe, 20, a backwash pump water inlet pipe, 21, a backwash pump water outlet pipe, 22, a membrane backwash pipe, 23, a fan air outlet pipe, 24, a first membrane cleaning dosing pipe, 25, a second membrane cleaning dosing pipe, 26, an MBR membrane module air inlet pipe, 27, a mud outlet, 28, a backflow port, 29 and a water outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in FIG. 1, MBR membrane tank equipment for capacity expansion and scale lifting of municipal wastewater treatment plants comprises a tank body 1, wherein the inside of the tank body 1 is sequentially divided into a buffer zone 3, a water distribution zone 4, an MBR membrane tank 5, a backflow zone 6 and an equipment room 7 from left to right, a water inlet 2 is arranged on the buffer zone 3, a clean water tank 8 is arranged above the equipment room 7, an MBR membrane assembly 10 is arranged in the MBR membrane tank 5, a fan 11, a water producing pump 12, a backwash pump 13, a first membrane cleaning and dosing device 14 and a second membrane cleaning and dosing device 15 are arranged in the equipment room 7, the water inlet of the water producing pump 12 is communicated with the water producing port of the MBR membrane assembly 10, the fan 11 is communicated with the MBR membrane assembly 10, the top beam 9 is used as an air pipe, the water producing pump 12 and the backwash pump 13 are communicated with the clean water tank 8, and the backwash pump 13 is respectively connected with the MBR membrane assembly 10, the first membrane cleaning and dosing device 14 and the second membrane cleaning and dosing device 15; a sludge pump 16 is arranged in the backflow area 6, the sludge pump 16 is connected with a sludge discharge port 27, the backflow area 6 is provided with a backflow port 28, and the clear water tank 8 is provided with a water outlet 29.

In one embodiment, the top beam 9 is disposed at the top in the box 1, the air inlet of the MBR membrane assembly 10 is communicated with the top beam 9 through an MBR membrane assembly air inlet pipe 26, and the air outlet of the blower 11 is communicated with the top beam 9 through a blower air outlet pipe 23.

In one embodiment, the water inlet of the water producing pump 12 is communicated with the water producing port of the MBR membrane module 10 through a water producing pump water inlet pipe 18 and a membrane water producing pipe 17, and the water outlet of the water producing pump 12 is communicated with the clean water tank 8 through a water producing pump water outlet pipe 19.

In one embodiment, the water inlet of the backwash pump 13 is connected with the clean water tank 8 through a backwash pump water inlet pipe 20, and the water outlet of the backwash pump 13 is connected with the membrane water producing pipe 17 through a backwash pump water outlet pipe 21 and a backwash water pipe 22.

In one embodiment, the outlet of the first membrane wash dosing device 14 communicates with the backwash pump outlet tube 21 through a first membrane wash dosing tube 24 and the outlet of the second membrane wash dosing device 15 communicates with the backwash pump outlet tube 21 through a second membrane wash dosing tube 25.

In one embodiment, a sludge discharge port 27 extends through the wall of the recirculation zone 6 and is connected to the water outlet of the sludge pump 16.

The working principle is as follows: sewage enters the buffer zone 3 from the water inlet 2 to ensure uniform uniformity of sewage, water quality is ensured to be uniform, then enters the water distribution zone 4 from an overflow port at the top of the buffer zone 3, a plurality of water distributors are arranged in the water distribution zone to distribute water, wind enters the MBR membrane module 10 from the bottom of the water distribution zone 4, a blower 11 sends wind into the top beam 9 and enters the MBR membrane module 10 to carry out aeration reaction, a first membrane cleaning chemical adding system 14 and a second membrane cleaning chemical adding system 15 treat water in the membrane water production pipe 17, the treated water enters the clean water tank 8 through the water production pump 12, sludge generated in the process is discharged from the sludge discharge port 27 through the sludge discharge pump 16, in addition, the water in the clean water tank 8 is backwashed through the backwash pump 13 to the membrane water production pipe 17, and the reflux port 28 can be used for backwashed of the sludge.

The above is a preferred embodiment of the present utility model, and a person skilled in the art can also make alterations and modifications to the above embodiment, therefore, the present utility model is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by the person skilled in the art on the basis of the present utility model are all within the scope of the present utility model.

Claims

1. A MBR membrane tank equipment that is used for municipal wastewater treatment plant dilatation to carry mark, its characterized in that: the water treatment device comprises a box body (1), a buffer zone (3), a water distribution zone (4), an MBR membrane pond (5), a backflow zone (6) and an equipment room (7) are sequentially formed in the box body (1), a water inlet (2) is formed in the buffer zone (3), a clear water tank (8) is arranged above the equipment room (7), an MBR membrane module (10) is arranged in the MBR membrane pond (5), a fan (11), a water producing pump (12), a backwash pump (13), a first membrane cleaning and dosing device (14) and a second membrane cleaning and dosing device (15) are arranged in the equipment room (7), a water inlet of the water producing pump (12) is communicated with a water producing port of the MBR membrane module (10), the fan (11) and the MBR membrane module (10) are both communicated with a top beam (9), the top beam (9) is used as an air pipe, and the water producing pump (12) and the MBR membrane module (13) are both communicated with the clear water tank (8), and the backwash pump (13) is respectively connected with the MBR membrane module (10), the first membrane cleaning and the second membrane cleaning and dosing device (14) and the second membrane cleaning and dosing device (15); a sludge pump (16) is arranged in the backflow area (6), the sludge pump (16) is connected with a sludge discharge port (27), the backflow area (6) is provided with a backflow port (28), and a water outlet (29) is arranged on the clear water tank (8).

2. The MBR membrane tank device for capacity expansion and scaling of municipal sewage treatment plants according to claim 1, wherein: the top beam (9) is arranged at the top in the box body (1), an air inlet of the MBR membrane assembly (10) is communicated with the top beam (9) through an air inlet pipe (26) of the MBR membrane assembly, and an air outlet of the fan (11) is communicated with the top beam (9) through an air outlet pipe (23) of the fan.

3. The MBR membrane tank device for capacity expansion and scaling of municipal sewage treatment plants according to claim 1, wherein: the water inlet of the water producing pump (12) is communicated with the water producing port of the MBR membrane assembly (10) through a water producing pump water inlet pipe (18) and a membrane water producing pipe (17), and the water outlet of the water producing pump (12) is communicated with the clean water tank (8) through a water producing pump water outlet pipe (19).

4. The MBR membrane tank device for capacity expansion and scaling of municipal sewage treatment plants according to claim 1, wherein: the water inlet of the backwash pump (13) is connected with the clean water tank (8) through a backwash pump water inlet pipe (20), and the water outlet of the backwash pump (13) is connected with the membrane water production pipe (17) through a backwash pump water outlet pipe (21) and a backwash water pipe (22).

5. The MBR membrane tank device for capacity expansion and scaling of municipal sewage treatment plants according to claim 1, wherein: the medicine outlet of the first membrane cleaning and dosing device (14) is communicated with the backwash pump outlet pipe (21) through a first membrane cleaning and dosing pipe (24), and the medicine outlet of the second membrane cleaning and dosing device (15) is communicated with the backwash pump outlet pipe (21) through a second membrane cleaning and dosing pipe (25).

6. The MBR membrane tank device for capacity expansion and scaling of municipal sewage treatment plants according to claim 1, wherein: the sludge discharge port (27) penetrates through the pool wall of the backflow area (6) and is connected with the water outlet of the sludge discharge pump (16).