CN218422056U

CN218422056U - Water purification equipment with automatic cleaning function

Info

Publication number: CN218422056U
Application number: CN202222706506.7U
Authority: CN
Inventors: 林建东; 孙道明; 徐健元; 陈永基; 何泊霖
Original assignee: Natao New Material Technology Research Guangdong Co ltd
Current assignee: Natao New Material Technology Research Guangdong Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-02-03
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to a take water purification unit of self-cleaning function, include: the device comprises a water tank, an ultrafiltration membrane assembly, a buoyancy lifting frame, a guide rail and a brush; the ultrafiltration membrane assemblies are arranged in parallel in a vertical shape and fixed in the water tank, a passageway is reserved between every two ultrafiltration membrane assemblies, and each ultrafiltration membrane assembly comprises an ultrafiltration membrane, a lower support frame and an upper fixing frame; the buoyancy lifting frame is arranged in the water tank, the guide rails are longitudinally arranged on two sides of the water tank, and the buoyancy lifting frame is arranged on the guide rails and can move up and down relative to the water tank and the ultrafiltration membrane component without touching each other; the brushes are multiple groups and are fixedly arranged on the buoyancy lifting frame, the position of each group of brushes is matched with the corresponding aisle interval of the ultrafiltration membrane component and is contacted with the surface of the ultrafiltration membrane component, and the brushes can move up and down in the aisle between the ultrafiltration membrane components along with the buoyancy lifting frame. It has the advantages of completely cleaning the surface of the ultrafiltration membrane, reducing the cost of equipment and the like.

Description

Water purification equipment with automatic cleaning function

Technical Field

The utility model relates to a water purification unit, concretely relates to take ceramic milipore filter water purification unit of self-cleaning function belongs to the environmental protection technology and equips and makes technical field.

Background

The most common practice at present is to install the ultrafiltration membrane in a sealed tank for use, and after the ultrafiltration membrane is used for a period of time, dirt is accumulated on the surface of the ultrafiltration membrane, and if the filtration microchannel for cleaning the ultrafiltration membrane is not in time, the ultrafiltration membrane is blocked and fails. Current methods for cleaning ultrafiltration membranes during use include back flushing, chemical cleaning, and physical cleaning. The backflushing method is to perform reverse high-pressure backflushing on the ultrafiltration membrane by high-pressure water or high-pressure air, but the method can cause partial particles to be reversely stuck under the action of high pressure to cause permanent blockage in a filter layer structure, and the performance of the ultrafiltration membrane can slowly decline and is difficult to recover after multiple high-pressure backflushing. The chemical treatment method is to dissolve or decompose dirt in the ultrafiltration membrane by an acid-base agent, but the chemical treatment method brings secondary pollution due to the use and discharge of the chemical agent. The most common means of the physical cleaning method is to wash the surface of the ultrafiltration membrane, the method can solve the problems and cannot cause pollution, but the method has the problems that a filter tank needs to be opened or even the ceramic ultrafiltration membranes need to be taken out and washed one by one each time, the workload is very large, the water filtering operation needs to be stopped for a long time during washing, and the workload is greatly increased and the working efficiency of water filtering is reduced due to frequent washing for treating projects with poor water quality.

Disclosure of Invention

The utility model aims at overcoming prior art not enough and providing a take automatic cleaning function's water purification unit, buoyancy and the action of gravity that produce when filling water and drainage to the buoyancy crane through the water pump make the buoyancy crane descend and rise, install the brush on the buoyancy crane and also follow its lift and produce the up-and-down motion, the brush is walked about the surface realization of ultrafiltration membrane and is washd and let ultrafiltration membrane surface can be clean comprehensively, need not to increase other power and transmission and can obtain the required power of cleaning operation, the problem of having avoided power or transmission to be difficult to adapt to the operation under water, the inside and outside mechanical transmission mechanism's of water tank connection sealing badly produced seepage problem has also been avoided, electric leakage and mechanical failure rate have been reduced, equipment cost has also been reduced.

In order to achieve the above object, the technical scheme of the utility model is so realized, it is a take water purification unit of self-cleaning function, its characterized in that includes:

a water tank; the water tank is provided with a water inlet, a purified water outlet and a sewage outlet, and the water inlet is communicated with external water to be purified;

an ultrafiltration membrane module; the ultrafiltration membrane assemblies are in multiple groups, are vertically arranged and fixed in the water tank in parallel, and a passageway is reserved between every two ultrafiltration membrane assemblies;

a buoyancy lifting frame and a guide rail; the buoyancy lifting frame is arranged in the water tank, the structures between the water tank and the ultrafiltration membrane assembly and the buoyancy lifting frame are relatively independent without forming rigid connection, the guide rails are longitudinally arranged on two sides of the water tank, and the buoyancy lifting frame is arranged on the guide rails and can move up and down relative to the water tank and the ultrafiltration membrane assembly without touching each other; and

a brush; the brushes are multiple groups and are installed and fixed on the buoyancy lifting frame, the position of each group of brushes is matched with the corresponding passageway interval of the ultrafiltration membrane component and is contacted with the surface of the ultrafiltration membrane component, and the brushes can move up and down in the passageway between the ultrafiltration membrane components along with the buoyancy lifting frame.

In the technical scheme, the buoyancy lifting frame is made of hollow materials, a water inlet pump and a water outlet pump are arranged on the buoyancy lifting frame, a water outlet of the water inlet pump is communicated with an inner cavity of the hollow materials so that water can be injected into the buoyancy lifting frame, and a water inlet of the water outlet pump is communicated with the inner cavity of the hollow materials so that water can be discharged from the buoyancy lifting frame.

In the technical scheme, a vent pipe is connected to the buoyancy lifting frame, and the upper port of the vent pipe is arranged at the top position in the water circulation;

in the technical scheme, the water tank is a sealed tank body with a top cover and is composed of metal pipes and plates.

In the technical scheme, the ultrafiltration membrane is provided with water outlet pipes, and all the water outlet pipes are communicated with the purified water outlet of the water tank through pipelines.

In the technical scheme, the water tank frame structural part is formed by hollow sections and can be used as a water pipeline.

In the technical scheme, the guide rails are multiple, an upper limiting structure is arranged at the upper part of each guide rail, and a lower limiting structure is arranged at the lower part of each guide rail.

In the technical scheme, a plurality of guide wheels are arranged on the buoyancy lifting frame and are in contact with corresponding guide rails, so that the buoyancy lifting frame moves up and down along the guide rails.

Compared with the prior art, the utility model the advantage do: buoyancy and gravity effect that produce when filling water and drainage to the buoyancy crane through the water pump make the buoyancy crane descend and rise, the brush of installing on the buoyancy crane also follows its lift and produces the up-and-down motion, the brush is realized walking from top to bottom and is washd on the surface of ultrafiltration membrane and is made the ultrafiltration membrane surface comprehensively clean, need not to increase other power and transmission and can obtain the required power of cleaning operation, the problem of power or transmission be difficult to adapt to the operation under water has been avoided, the produced seepage problem of the connection sealing badness of the inside and outside mechanical transmission of water tank has also been avoided, electric leakage and mechanical failure rate have been reduced, the equipment cost has also been reduced.

Drawings

FIG. 1 is a schematic structural view of the main view of the present invention;

fig. 2 is a schematic structural view of the top view of the present invention.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, the terms "upper" and "lower" indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

As shown in fig. 1 and 2, a water purifying apparatus with an automatic washing function includes:

a water tank 1; the water tank 1 is provided with a water inlet 11, a purified water outlet 12 and a sewage outlet 13, and the water inlet 11 is communicated with external water to be purified;

an ultrafiltration membrane assembly 2; the ultrafiltration membrane assemblies 2 are in multiple groups, the ultrafiltration membrane assemblies 2 are vertically arranged and fixed in the water tank 1 in parallel, a passageway 21 is reserved between the ultrafiltration membrane assemblies 2, each ultrafiltration membrane assembly 2 comprises an ultrafiltration membrane 22, a lower support frame 23 and an upper fixing frame 24, the lower support frame 23 is arranged at the lower part of the ultrafiltration membrane 22, and the upper fixing frame 24 is arranged at the upper part of the ultrafiltration membrane 22;

the buoyancy lifting frame 3 and the guide rail 4; the buoyancy lifting frame 3 is arranged in the water tank 1, structures between the water tank 1 and the ultrafiltration membrane module 2 and the buoyancy lifting frame 3 are relatively independent and do not form rigid connection, the guide rail 4 is longitudinally arranged on two sides of the water tank 1, and the buoyancy lifting frame 3 is arranged on the guide rail 4 and can move up and down relative to the water tank 1 and the ultrafiltration membrane module 2 and does not touch each other; and

a brush 5; the brushes 5 are multiple groups, the brushes 5 are fixedly arranged on the buoyancy lifting frames 3, the position of each group of brushes 5 is in interval fit with the corresponding passageway 21 of the ultrafiltration membrane component 2 and is contacted with the surface of the ultrafiltration membrane 22, and the brushes 5 can move up and down in the passageway 21 between the ultrafiltration membrane components 2 along with the buoyancy lifting frames 3.

In this embodiment, the buoyancy lifting frame 3 is made of a hollow material, the buoyancy lifting frame 3 is provided with a water inlet pump 61 and a water outlet pump 62, a water outlet of the water inlet pump 61 is communicated with an inner cavity of the hollow material so as to inject water into the buoyancy lifting frame 3, and a water inlet of the water outlet pump 62 is communicated with the inner cavity of the hollow material so as to discharge water into the buoyancy lifting frame 3.

In the embodiment, a vent pipe 32 is connected to the buoyancy lifting frame 3, and the upper port of the vent pipe 32 is arranged at the top position inside the water circulation 1;

in this embodiment, the water tank 1 is a sealed tank with a top cover, and is made of a metal pipe and a plate.

In this embodiment, the ultrafiltration membrane 22 is provided with water outlet pipes, and all the water outlet pipes are communicated with the purified water outlet of the water tank through pipelines.

In the present embodiment, the frame structure of the water tank 1 is made of hollow section material and can be used as a water passage.

In this embodiment, the guide rail 4 is provided in plural, an upper limit structure 41 is provided on an upper portion of the guide rail 4, and a lower limit structure 42 is provided on a lower portion of the guide rail 4.

In this embodiment, a plurality of guide wheels 31 are provided on the buoyant crane 3, and the guide wheels 31 are in contact with the corresponding guide rails 4, so that the buoyant crane 3 moves up and down along the guide rails 4.

When the water tank works, water to be purified is injected into the water tank 1 through the water inlet, the water tank is suitable for positive-pressure water filtration, water is always kept in positive pressure in the water tank 1 when the water inlet continuously feeds water during the water filtration work, the water enters the water filtration layer of the ultrafiltration membrane 22 through pressure and is filtered, the water flows out from the purified water outlet of the ultrafiltration membrane 22 to obtain purified water, and the sewage outlet 13 of the water tank 1 is used for discharging sewage generated by washing the ultrafiltration membrane.

All ultrafiltration membrane assemblies 2 are vertically arranged and fixed on an inner framework in the water tank 1 by using lower support frames 23 and upper fixing frames 22, and passageways 21 are reserved among the ultrafiltration membrane assemblies 2 to be used as working channels of the hairbrush 5.

The buoyancy lifting frame 3 arranged in the water tank 1 is stopped at the upper position under the action of buoyancy when internal water is drained, when the ultrafiltration membrane 21 needs to be cleaned, the water inlet pump 61 is started to pump water from the water circulation to be injected into the buoyancy lifting frame 3, the buoyancy lifting frame 3 starts to descend along the guide rail 4 under the action of gravity, the brush 5 follows the buoyancy lifting frame 3 from top to bottom to wash the surfaces of the ultrafiltration membranes 22 at two sides through the passage 21 between the ultrafiltration membranes 22 during descending, when the buoyancy lifting frame 3 reaches the lower limit position, namely the brush 5 reaches the lowest end position of the ultrafiltration membranes 22, the water in the buoyancy lifting frame 3 is drained through the water outlet pump 62, when the buoyancy obtained by the buoyancy lifting frame 3 is larger than the dead weight, the buoyancy lifting frame starts to ascend, the brush 5 also follows the bottom to continuously wash the surfaces of the ultrafiltration membranes 22, when the buoyancy lifting frame 3 reaches the upper limit position, namely the brush 5 reaches the end position of the ultrafiltration membranes 22, a work cycle of washing up and down is completed, and washing operation can be realized by setting the time interval of automatic water filling and draining of the water inlet pump 61 and the water outlet pump 62.

The guide rail 4 is used for preventing the buoyancy lifting frame 3 from deviating during up-and-down movement and preventing the frame body from being clamped or damaging the ultrafiltration membrane 22 due to touching the water tank 1 component and the ultrafiltration membrane 22 component.

The breather pipe 32 of establishing on the buoyancy crane 3, its effect is that being obstructed in inside portion atmospheric pressure when avoiding water pump 61 and water pump 62 of intaking to interior water injection and drainage, because when following water tank 1 water injection through outside high pressure water pump, the confined space of the inside top space of water circulation can remain partial air, can communicate with this confined space when setting up in the inside top position of water circulation with the up end of the breather pipe 32 of connecting on the buoyancy crane 3 and realize exhausting and breathing in.

The water inlet pump 61 and the water outlet pump 62 are installed on the buoyancy lifting frame 3, and run up and down together with the brush 5 when working, and the water is saved by using the water circulation in the water circulation rather than using the external water source.

The partial pipeline connected with the water outlet pipe can utilize the hollow material in the adjacent water circulation structure as a part of the pipeline, thereby reducing the number of pipelines in the water tank and saving space.

The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a take water purification unit of self-cleaning function which the characteristic includes:

a water tank (1); a water inlet (11), a purified water outlet (12) and a sewage outlet (13) are arranged on the water tank (1), and the water inlet (11) is communicated with external water to be purified;

an ultrafiltration membrane module (2); the ultrafiltration membrane assemblies (2) are in multiple groups, the ultrafiltration membrane assemblies (2) are vertically arranged in parallel and fixed in the water tank (1), a passageway (21) is reserved between every two ultrafiltration membrane assemblies (2), each ultrafiltration membrane assembly (2) comprises an ultrafiltration membrane (22), a lower support frame (23) and an upper fixing frame (24), the lower support frame (23) is arranged on the lower portion of the ultrafiltration membrane (22), and the upper fixing frame (24) is arranged on the upper portion of the ultrafiltration membrane (22);

a buoyancy lifting frame (3) and a guide rail (4); the buoyancy lifting frame (3) is arranged in the water tank (1), structures between the water tank (1) and the ultrafiltration membrane module (2) and the buoyancy lifting frame (3) are relatively independent and do not form rigid connection, the guide rails (4) are longitudinally arranged on two sides of the water tank (1), and the buoyancy lifting frame (3) is arranged on the guide rails (4) and can move up and down relative to the water tank (1) and the ultrafiltration membrane module (2) and does not touch each other; and

a brush (5); the multi-group type ultrafiltration membrane water heater is characterized in that the brushes (5) are of multiple groups, the brushes (5) are fixedly arranged on the buoyancy lifting frame (3), the position of each group of brushes (5) is matched with the corresponding passageway (21) of the ultrafiltration membrane component (2) in an interval mode and is in contact with the surface of the ultrafiltration membrane component (22), and the brushes (5) can move up and down in the passageway (21) between the ultrafiltration membrane components (2) along with the buoyancy lifting frame (3).

2. The water purifying device with the automatic cleaning function according to claim 1, wherein the buoyancy lifting frame (3) is made of a hollow material, a water inlet pump (61) and a water outlet pump (62) are arranged on the buoyancy lifting frame (3), a water outlet of the water inlet pump (61) is communicated with an inner cavity of the hollow material so as to inject water into the buoyancy lifting frame (3), and a water inlet of the water outlet pump (62) is communicated with the inner cavity of the hollow material so as to discharge water into the buoyancy lifting frame (3).

3. The water purifying device with the automatic cleaning function according to claim 1, wherein a vent pipe (32) is connected to the buoyancy lifting frame (3), and an upper port of the vent pipe (32) is arranged at the top position inside the water tank (1).

4. The water purifying apparatus with automatic cleaning function as claimed in claim 1, wherein the water tank (1) is a sealed box body with a top cover, and is composed of metal pipes and plates.

5. The water purifying apparatus with automatic cleaning function as claimed in claim 1, wherein the ultrafiltration membrane (22) is provided with water outlet pipes, all of which are communicated with the purified water outlet of the water tank through a pipeline.

6. The water purifying apparatus with automatic cleaning function as claimed in claim 1, wherein the frame structure of the water tank (1) is made of hollow material and can be used as a water pipe.

7. The water purifying apparatus with the automatic cleaning function according to claim 1, wherein the guide rail (4) is provided with a plurality of guide rails, an upper limiting structure (41) is provided at an upper portion of the guide rail (4), and a lower limiting structure (42) is provided at a lower portion of the guide rail (4).

8. The water purifying apparatus with the automatic cleaning function as claimed in claim 7, wherein a plurality of guide wheels (31) are provided on the buoyant lifting frame (3), and the guide wheels (31) are in contact with the corresponding guide rails (4), so that the buoyant lifting frame (3) moves up and down along the guide rails (4).