CN214734702U

CN214734702U - Membrane filtration device

Info

Publication number: CN214734702U
Application number: CN202120338696.4U
Authority: CN
Inventors: 陈清; 陈忱; 陈良刚
Original assignee: Hainan Litree Purifying Technology Co Ltd
Current assignee: Hainan Litree Purifying Technology Co Ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-16
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to a membrane filtration device, include: the upper end of the water purification membrane unit is provided with a first water production interface and a first air inlet interface; the raw water filtered by the water purification membrane unit is discharged through the first water production interface; the air flow entering the first air inlet interface cleans the water purification membrane unit; the water production pipe is arranged at the upper end of the water purification membrane unit, and a first water inlet communicated with the inner cavity of the water production pipe is formed in the pipe wall of the water production pipe; the first water inlet is communicated with the first water producing connector through a first branch pipe; the plurality of fluid distributors are arranged at the upper end of the water purification membrane unit and are spliced along the axial direction of the water production pipe to form an air inlet pipe; the fluid distributor is provided with a first air outlet which is communicated with the first air inlet port through a second branch pipe. Compared with the traditional design, the method can reduce the maintenance cost and the limited hoisting influence in the maintenance process.

Description

Membrane filtration device

Technical Field

The utility model relates to a water purification technical field especially relates to membrane filter equipment.

Background

The current scheme of membrane water purification mainly comprises pressurized membrane system water purification and immersed membrane system water purification. Wherein the submerged membrane system is more convenient from an installation perspective. In an immersed membrane system, a plurality of water purification membrane units and a mounting rack are generally included. Through the integrated water production pipe on the mounting bracket, the raw water filtered by the water purification membrane unit is discharged. In order to facilitate the discharge of the raw water purified by the water purification membrane unit, a water production pipe is generally designed at the lower end of the water purification membrane unit.

Because the immersed membrane system has a large volume and a heavy weight, the water purification membrane unit needs to be immersed in the water purification tank in a hoisting mode during installation of the immersed membrane system. In the water purification process, the working environment of the immersed membrane system is severe, the water purification membrane unit needs to be periodically overhauled, and the air inlet pipe or the aeration pipe of the water purification membrane unit is arranged at the lower end of the water purification membrane unit, so that the water purification membrane unit is convenient to clean. If the water purification membrane unit is lifted out in a lifting mode, on one hand, the lifting cost and the time cost are high, and on the other hand, the lifting is limited by the lifting site of a crane.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to optimize the design structure of the conventional submerged membrane system, and a membrane filtration device which facilitates later maintenance is provided.

A membrane filtration device, comprising:

the upper end of the water purification membrane unit is provided with a first water production interface and a first air inlet interface; raw water filtered by the water purification membrane unit can be discharged through the first water production interface; the air flow entering the first air inlet interface can clean the water purification membrane unit;

the water production pipe is arranged at the upper end of the water purification membrane unit, and a first water inlet communicated with the inner cavity of the water production pipe is formed in the pipe wall of the water production pipe; the first water inlet is communicated with the first water producing connector through a first branch pipe;

the plurality of fluid distributors are arranged at the upper end of the water purification membrane unit and are spliced along the axial direction of the water production pipe to form an air inlet pipe; the fluid distributor is provided with a first air outlet which is communicated with the first air inlet port through a second branch pipe.

Above-mentioned membrane filtration device, owing to will water purification membrane unit first produce the water interface with first air inlet arranges water purification membrane unit's upper end, simultaneously produce the water pipe with the intake pipe equipartition is in water purification membrane unit's upper end, consequently when needs maintain the maintenance, only need reduce the water level height of raw water, make water purification membrane unit's upper end expose can be right first produce the water interface first air inlet produce the water pipe with maintenance such as intake pipe.

The utility model discloses a membrane filtration device compares the submergence formula water purification system of traditional design in the maintenance process, need not wholly hang out membrane filtration device when the maintenance, consequently can reduce cost of maintenance and hoist the limited influence betterly.

In one embodiment, the water production pipe is arranged on one side of the fluid distributor far away from the water purification membrane unit, and the fluid distributor is detachably connected with the water production pipe.

In one embodiment, the fluid distributor is provided with a mounting seat, and the side edge of the mounting seat is provided with a clamping groove;

the pipe wall of the water production pipe is provided with a buckling piece, the buckling piece comprises an annular portion and a buckling portion, the annular portion is sleeved on the pipe wall of the water production pipe, and the buckling portion is clamped with the clamping groove of the mounting seat.

In one embodiment, the mounting seat is provided with a first connecting head;

one end of the first connector is communicated with the first water inlet of the water production pipe, and the other end of the first connector 3112 is communicated with the first branch pipe.

In one embodiment, the first air outlet of the fluid distributor is provided with a second connector;

one end of the second connector is communicated with the first air outlet, and the other end of the second connector is communicated with the second branch pipe.

In one embodiment, the fluid distributor is mounted at the upper end of the water production pipe;

the water production pipe is provided with a mounting groove towards one side of the fluid distributor, and the fluid distributor is fixed in the mounting groove.

In one embodiment, the water purification membrane unit comprises an upper end head;

the upper end head is connected with the upper end of the water purification membrane unit, and the first water production interface and the first air inlet interface are respectively arranged on the upper end head.

In one embodiment, the water purification membrane unit further includes: the lower end, the first supporting tube and the second supporting tube; the lower end is connected with the lower end of the water purification membrane unit, and a second water production interface and a second air inlet interface are arranged on the lower end;

the first supporting tube and the second supporting tube are respectively supported between the upper end head and the lower end head;

two ends of the first supporting pipe are respectively communicated with the first water producing interface and the second water producing interface;

and two ends of the second supporting pipe are respectively communicated with the first air inlet connector and the second air inlet connector.

In one embodiment, the first branch pipe is provided with an on-off valve.

In one embodiment, the membrane filtration device further comprises a mounting frame, and the water purification membrane unit is fixed on the mounting frame.

Drawings

Fig. 1 is a schematic perspective view of a membrane filtration device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a water production pipe and an air inlet pipe in an embodiment of the present invention;

FIG. 3 is a schematic diagram of the fluid dispenser of FIG. 2;

fig. 4 is a schematic perspective view of a membrane filtration device according to another embodiment of the present invention;

FIG. 5 is a schematic view of a water producing pipe according to another embodiment of the present invention;

fig. 6 is a schematic view of a fluid dispenser according to another embodiment of the present invention.

Reference numerals:

100. a water purification membrane unit; 110. a first water producing interface; 120. a first air inlet interface; 130. an upper end head; 140. a lower end head; 141. a first groove; 142. a second groove; 143. a limiting member;

200. a water production pipe; 210. a first branch pipe; 211. an on-off valve; 220. a fastener; 221. an annular portion; 222. a fastening part;

300. an air inlet pipe; 310. a fluid dispenser; 311. a mounting seat; 3111. a card slot; 3112. a first connector; 312. a second connector; 313. mounting grooves; 3131. an installation part;

400. a mounting frame; 410. a first side frame; 420. a second side frame; 430. and (4) connecting the rods.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 3, fig. 1 shows a schematic perspective view of a membrane filtration device in an embodiment of the present invention, and an embodiment of the present invention provides a membrane filtration device, which includes an air inlet pipe 300 spliced by a water purification membrane unit 100, a water production pipe 200, and a plurality of fluid distributors 310.

It should be noted that the water purification principle of the membrane filtration device of the present invention is of an immersion type, that is, the water purification membrane unit 100 is immersed in the raw water to be purified, the purified raw water is located in the water purification membrane unit 100, and then the purified raw water is discharged from the water purification membrane unit 100 through the water production pipe 200. Since the raw water to be purified contains many impurities, which may be attached to the surface of the water purification membrane unit 100, the impurities attached to the surface of the water purification membrane unit 100 can be removed by introducing gas into the plurality of fluid distributors 310.

In a conventional submerged water purification system, from the perspective of drainage and installation, an air inlet pipe or an aeration pipe is generally disposed at the bottom of a mounting frame, so as to facilitate cleaning of a water purification membrane unit. Or the water production pipe and the immersed water purification system are designed into a whole. In the installation process of the traditional immersed water purification system, because the immersed water purification membrane unit is large in size and heavy in mass, the immersed water purification membrane unit is generally hoisted in a raw water tank in a hoisting mode. In the process of purifying water, the working environment of the immersion type water purification system is relatively harsh, for example, impurities contained in raw water may be attached to the surface of the water purification membrane unit, and acid and alkali substances contained in the raw water may corrode the water purification membrane unit. These external factors can damage the submerged water purification system, and thus periodic inspection and maintenance of the submerged water purification system is required.

Due to the structural design of the conventional immersion type water purification system, the immersion type water purification system needs to be lifted out integrally and then maintained. And the adoption of hoisting brings great hoisting cost and time cost on one hand, and on the other hand, the adoption of hoisting is also limited by the geographical position of the raw water pool, for example, if a building is newly built around the raw water pool, the crane cannot conveniently enter the building.

For this reason, there is a need for an improvement of the conventional immersion type water purification system. The utility model discloses in provide a membrane filtration device, when needs maintenance and repair, only need reduce the water level height of raw water for can realize maintaining and repairing membrane filtration device after exposing the upper end of water purification membrane unit 100.

Specifically, the upper end of the water purification membrane unit is provided with a first water production interface 110 and a first air inlet interface 120. The raw water filtered by the water purification membrane unit 100 can be discharged through the first water production interface 110, and the airflow entering through the first air inlet interface 120 can clean the water purification membrane unit 100.

The water producing pipe 200 is disposed at the upper end of the water purifying membrane unit 100, wherein a first water inlet (not shown) communicating with the inner cavity of the water producing pipe 200 is disposed on the pipe wall of the water producing pipe 200, and the first water inlet is communicated with the first water producing connector 110 through a first branch pipe 210.

A plurality of fluid distributors 310 are disposed at the upper end of the water purification membrane unit 100. Wherein, a plurality of fluid distributors 310 are spliced along the axial direction of the water production pipe 200 to form the air inlet pipe 300, and the fluid distributors 310 are provided with a first air outlet (not shown in the figure) which is communicated with the first air inlet interface 120 through a second branch pipe (not shown in the figure). The advantage of using a plurality of fluid distributors 310 to form the air inlet tube 300 by splicing is that each fluid distributor 310 can be easily repaired or replaced, and the maintenance cost can be reduced, without replacing the air inlet tube as a whole as in the conventional air inlet tube replacement.

The utility model provides a membrane filtration device's theory of operation: the membrane filtration device is hoisted and immersed in the raw water pool, and the raw water in the raw water pool permeates into the water purification membrane unit 100, so that the purpose of purifying the raw water is realized. The purified raw water is discharged into the water production pipe 200 along the first water production port at the upper end of the water purification membrane unit 100, the first branch pipe 210 and the first water production port 110 by a hydraulic pump or other power elements.

When the impurities attached to the surface of the water purification membrane unit 100 need to be removed, air flow is introduced into the plurality of fluid distributors 310 through an air pump or other elements generating water and air flow, the air flow enters the first air inlet 120 at the upper end of the water purification membrane unit 100 along the second branch pipe and enters the water purification membrane unit 100, and then the auxiliary impurities on the surface of the water purification membrane unit 100 are cleaned.

When the membrane filtration device needs to be maintained and detected, the water level of the raw water tank is reduced, so that the first water producing interface 110 and the first air inlet interface 120 at the upper end of the water purification membrane unit 100, the water producing pipe 200 and the plurality of fluid distributors 310 are exposed, and the water producing pipe 200, the plurality of fluid distributors 310 and the like of the membrane filtration device can be maintained and detected conveniently without integrally hoisting the membrane filtration device.

To secure the water production tube 200 and the fluid distributor 310 and facilitate subsequent servicing of both, referring to fig. 2 and 3, in one embodiment, the water production tube 200 is mounted on the side of the fluid distributor 310 remote from the water purification membrane unit 100. Wherein the fluid distributor 310 is detachably connected with the water production pipe 200.

Specifically, the fluid dispenser 310 is provided with a mounting seat 311, wherein a side of the mounting seat 311 is provided with a card slot 3111. The pipe wall of the water production pipe 200 is provided with a fastener 220, wherein the fastener 220 comprises an annular part 221 and a fastener 222, the annular part 221 is sleeved on the pipe wall of the water production pipe 200, and the fastener 222 is fastened with the fastening groove 3111 of the mounting seat 311. The water production pipe 200 and the fluid distributor 310 can be fixed by adopting a snap-fit connection mode; on the other hand, because the water production pipe 200 and the fluid distributor 310 are detachably connected, when maintenance is needed, the water production pipe 200 and the fluid distributor 310 can be maintained only by separating the clamping part 222 from the clamping groove 3111.

In one embodiment, referring to fig. 3, the mounting base 311 is provided with a first connector 3112. Wherein, one end of the first connector 3112 is communicated with the first water inlet of the water production pipe 200, and the other end of the first connector 3112 is communicated with the first branch pipe 210. By arranging the first connector 3112 on the mounting seat 311, when the water production pipe 200 is fixed with the mounting seat 311 on the fluid distributor 310, the first connector 3112 is correspondingly communicated with the first water inlet of the water production pipe 200.

Specifically, produce the first water inlet of water pipe 200 and towards the upper end of water purification membrane unit 100, one side design that the mount pad 311 produced water pipe 200 is the curved surface recess, and first connector 3112 designs in the curved surface recess, so the pipe wall of inlet tube can be fixed in the curved surface recess, and the curved surface recess also can be better with the pipe wall laminating of producing water pipe 200 simultaneously. First connector 3112 just corresponds the first water inlet of producing water pipe 200, so when producing water pipe 200 and installing in mounting groove 313, first connector 3112 corresponds the intercommunication with the first water inlet of producing water pipe 200.

Meanwhile, the first water inlet of the water production pipe 200 and the first branch pipe 210 are connected through the first connector 3112, and the first branch pipe 210 can be replaced and maintained conveniently.

The first connection port 3112 may be a three-way connection port, so that the first water producing ports 110 of the two water purifying membrane units 100 can be discharged into the water producing pipe 200 through the three-way connection port, so that the number of the arrangement of the water producing pipes 200 can be reduced. The first connector 3112 can also be a multi-way connector as desired.

In one embodiment, referring to FIG. 3, the first outlet of the fluid distributor 310 is provided with a second connector 312. Wherein one end of the second connector 312 is communicated with the first air outlet, and the other end of the second connector 312 is communicated with the second branch pipe. Maintenance access to the first air outlet and the second branch pipe can be facilitated by designing the second connection head 312.

Meanwhile, it should be understood that the second connector 312 may also be a three-way or multi-way pipe, so that the air flow can be introduced to the first air outlets of the plurality of water purification membrane units 100 through the second connector 312.

In one embodiment, as shown in fig. 4 and 5, a fluid dispenser 310 is installed at the upper end of the water production pipe 200. Wherein, a mounting groove 313 is provided at a side of the water production pipe 200 facing the fluid distributor 310, and the fluid distributor 310 is fixed in the mounting groove 313. In this design process, the fluid dispenser 310 can be better secured within the mounting slot 313.

Further, referring to fig. 5 and 6, the first water inlet of the water production pipe 200 faces the mounting groove 313, the mounting groove 313 is provided with a mounting portion 3131 facing the first water outlet, and the first connector 3112 is fixed in the mounting portion 3131. The first connector 3112 can be stably fixed in the mounting portion 3131 while the water producing pipe 200 is fixed through the mounting groove 313.

In one embodiment, referring to fig. 1, the water purification membrane unit 100 includes an upper head 130. Wherein, the upper end head 130 is connected with the upper end of the water purification membrane unit 100, and the first water producing connector 110 and the first air inlet connector 120 are respectively arranged on the upper end head 130. The design of the first water production port 110 and the first air inlet port 120 can be facilitated by mounting the upper head 130 on the water purification membrane unit 100, and the first upper head 130 can facilitate the membrane module of the water purification membrane unit 100 to be mounted in the first head.

Further, referring to fig. 1, the water purification membrane unit 100 further includes: a lower head 140, a first support tube (not shown), and a second support tube (not shown). Wherein, the lower end head 140 is connected with the lower end of the water purification membrane unit 100, and the lower end head 140 is provided with a second water production interface (not shown) and a second air inlet interface (not shown). The first supporting tube and the second supporting tube are respectively supported between the upper end head 130 and the lower end head 140, two ends of the first supporting tube are respectively communicated with the first water producing connector 110 and the second water producing connector, and two ends of the second supporting tube are respectively communicated with the first air inlet connector 120 and the second air inlet connector.

The lower end 140 can also facilitate installation of membrane modules in the water purification membrane unit 100, and the lower end 140 is provided with a second water production port, which is communicated with the first water production port 110 and the second water production port through the first support tube, so that purified raw water stored at the bottom end of the water purification membrane unit 100 can be discharged through the second water production port. Meanwhile, the second water producing interface is added to improve the efficiency of the water purifying membrane unit 100 for discharging purified raw water.

The lower end 140 is provided with a second air inlet, which is used for ventilating air from the first air inlet to the second air inlet along the second support pipe, and the air flow and bubbles generated by the raw water pool clean the impurities attached to the outer surface of the water purification membrane unit 100.

The first and second support tubes are disposed between the upper and

lower headers

130 and 140 and also function to support the upper and

lower headers

130 and 140.

Further, an aerator (not shown) is disposed on the lower side of the lower end head 140, and the aerator is communicated with the second air inlet, and the air flow enters the aerator along the second air inlet. After the airflow enters the aerator, larger bubbles can be generated, so that better cleaning of the water film unit 100 can be achieved.

In one embodiment, referring to FIG. 2, the first branch pipe 210 is provided with an on-off valve 211. Wherein the on-off valve 211 can control the opening or closing of the first branch pipe 210. For example, when a plurality of water purification membrane units 100 simultaneously discharge water into the water production pipe 200, when one of the water purification membrane units 100 needs to be repaired, the first branch pipe 210 is controlled to be closed by the on-off valve 211, and the other water purification membrane units 100 are kept working, so that the water purification efficiency of the water purification membrane units 100 can be improved.

In one embodiment, the membrane filtration device further comprises a mounting frame 400. Wherein the water purifying membrane unit 100 is mounted on the mounting frame 400.

Further, the mounting frame 400 includes a first side frame 410, a second side frame 420, and a plurality of connecting rods 430, which are oppositely disposed. Wherein the connection rod 430 connects the first side frame 410 and the second side frame 420. For example, the first side frame 410 and the second side frame 420 are oppositely arranged, a plurality of mounting holes are formed in the first side frame 410, a plurality of mounting holes are also formed in the second side frame 420, the plurality of connection rods 430 respectively pass through the plurality of mounting holes of the first side frame 410 and the plurality of mounting holes of the second side frame 420, the water purification membrane unit 100 is fixed on the plurality of connection rods 430, and the first side frame 410 and the second side frame 420 can also limit the water purification membrane unit 100 from falling down.

In order to stably mount the water purification membrane unit 100 on the mounting bracket 400, in one embodiment, the lower end 140 of the water purification membrane unit 100 is provided with a first groove 141 and a second groove 142 at intervals, and the first groove 141 and the second groove 142 correspond to the plurality of connection rods 430 one to one.

It should be understood that the water purification membrane units 100 can be arranged side by side on the mounting frame 400, and therefore, a plurality of connecting rods 430 are provided, which is also convenient for arranging more water purification membrane units 100 on the mounting frame 400 in the following. The first groove 141 and the second groove 142 correspond to one connecting rod, respectively. In addition, the connection of the connection rod to the first and second side frames 410 and 420 can also be implemented by other connection methods, such as welding, screwing, and the like. When the plurality of water purification membrane units 100 are mounted on the mounting block 400, the first and second side frames 410 and 420 can confine the plurality of water purification membrane units 100 within the mounting block 400. In addition, the water production tube 200 or the air intake tube 300 can be installed at the upper ends of the first and second side frames 410 and 420 or be confined between the first and second side frames 410 and 420.

In order to prevent the water purification membrane units 100 from colliding with each other after being mounted on the mounting frame 400, in one embodiment, the water purification membrane units 100 are provided with stoppers 143 on sides facing the first side frame 410 and the second side frame 420, respectively.

In one embodiment, the membrane filtration device includes a plurality of water purification membrane units 100. Wherein, the membrane filtration device comprises a plurality of water purification membrane units 100, and the plurality of water purification membrane units 100 are symmetrically arranged along the axis of the water production pipe 200.

Set up a plurality of first water inlets along the axis direction of producing water pipe 200, be connected with a first connector 3112 on a plurality of first water inlets respectively, a plurality of first connectors 3112 are three way connection, one of them interface of a plurality of first connectors 3112 and the inner chamber intercommunication of producing water pipe 200, two other interfaces of a plurality of first connectors 3112 communicate with first water production interface 110 in two arbitrary water purification membrane units 100 in a plurality of water purification membrane units 100 respectively.

Each fluid distributor 310 is provided with a first air outlet, each first air outlet is communicated with a second connector 312, the plurality of second connectors 312 are all three-way connectors, one of the plurality of second connectors 312 is communicated with the inner cavity of the air inlet pipe 300, and the other two connectors of the plurality of second connectors 312 are respectively communicated with the first air inlet connectors 120 of the plurality of water purification membrane units 100.

The advantage of this design is that the utilization of the product water pipe 200 and the fluid distributor 310 can be improved, and the number of the product water pipe 200 and the air inlet pipe 300 can be reduced. For example, raw water purified by the water purification membrane units 100 disposed on both sides of the axis of the water production pipe 200 can be discharged into the water production pipe 200. When the air is introduced into the fluid distributor 310, the impurities attached to the surfaces of the water purification membrane units 100 on both sides of the axis of the water production pipe 200 can be simultaneously cleaned.

The water purification membrane units 100 may be arranged as needed, and the first connector 3112 and the second connector 312 may be other multi-port connectors.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A membrane filtration device, comprising:

2. The membrane filtration device according to claim 1, wherein the water production pipe is installed on a side of the fluid distributor away from the water purification membrane unit, and the fluid distributor is detachably connected with the water production pipe.

3. The membrane filtration device according to claim 2, wherein the fluid distributor is provided with a mounting seat, and the side edge of the mounting seat is provided with a clamping groove;

4. The membrane filtration device according to claim 3, wherein the mounting base is provided with a first connection head;

one end of the first connector is communicated with the first water inlet of the water production pipe, and the other end of the first connector is communicated with the first branch pipe.

5. A membrane filtration device according to claim 3, wherein the first gas outlet of the fluid distributor is provided with a second connection head;

6. The membrane filtration device according to claim 1, wherein the fluid distributor is mounted at an upper end of the water production pipe;

7. The membrane filtration device according to claim 1, wherein the water purification membrane unit comprises an upper head;

8. The membrane filtration device according to claim 7, wherein the water purification membrane unit further comprises: the lower end, the first supporting tube and the second supporting tube; the lower end is connected with the lower end of the water purification membrane unit, and a second water production interface and a second air inlet interface are arranged on the lower end;

9. Membrane filtration unit according to claim 1, wherein the first branch pipe is provided with an on-off valve.

10. The membrane filtration device according to claim 1, further comprising a mounting frame, wherein the water purification membrane unit is fixed on the mounting frame.