CN209890303U

CN209890303U - Movable membrane washing device

Info

Publication number: CN209890303U
Application number: CN201920566801.2U
Authority: CN
Inventors: 朱家武; 谢秀风; 董平
Original assignee: Nanjing Aquacup Water Purification Technology Co Ltd
Current assignee: Nanjing Aquacup Water Purification Technology Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-03
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a portable membrane device of washing, including shell, dosing tank, scavenging pump, precision filter, first membrane shell, second membrane shell, control electronic box, universal wheel. A water outlet at the bottom of one side of the dosing tank is connected with a water inlet pipeline of the cleaning pump, a drain pipe is connected with the bottom of the other side of the dosing tank, and a water inlet is formed in the top of the dosing tank; the water outlet of the cleaning pump is connected with the water inlet pipeline of the precision filter, the outlet of the precision filter is connected with the water inlet pipelines of the first membrane shell and the second membrane shell respectively, and the water outlets of the first membrane shell and the second membrane shell are connected with the water inlet pipeline of the dosing tank; the utility model discloses make and wash membrane medicament can recycle to can wash two membranes simultaneously, save the cost, improve the cleaning efficiency, simultaneously, set up the universal wheel through the shell bottom washing the membrane device, make and wash the convenient removal of membrane device, the practicality is strong, is convenient for provide the on-the-spot maintenance service to the user.

Description

Movable membrane washing device

Technical Field

The utility model relates to a water treatment technical field, more specifically relates to a portable membrane device of washing.

Background

At present, with the development of economy and the increasing shortage of water resources, the application field of membrane technology has expanded to every field of water use, water purification and water conservation. In the long-term use process of the membrane, the membrane can be polluted by pollutants such as inorganic salt scale, bacteria, colloidal particles, insoluble organic matters and the like, the pollutants are deposited on the surface of the membrane to cause membrane scaling, and the membrane scaling can cause the reduction of the water yield and the salt rejection rate of the membrane, thereby affecting the purification effect. Therefore, after the membrane elements are contaminated, the membranes need to be periodically cleaned to increase the water yield and salt rejection of the membranes and to extend the life of the membranes.

Most of the traditional membrane cleaning adopts an on-line cleaning mode, namely, on a water treatment production line, the membrane cleaning is carried out by changing the flow direction of water and adding a certain cleaning agent. The traditional online cleaning mode mainly has the following defects that firstly, a plurality of membrane elements are adopted in series in a water making device, so that the flow rate of water is low during cleaning, and the membrane elements connected in series behind are difficult to clean; secondly, the middle filtering device is lacked in the cleaning process, so that the dye-removing substances eluted in the cleaning process cause secondary pollution to the membrane element; thirdly, the cleaning pipeline of the online cleaning mode has complex design, high cleaning cost, troublesome operation and long cleaning time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane device is washed to movable type, can effectively solve among the prior art membrane element's washing mode comparatively loaded down with trivial details, wash the problem that the miscellaneous pair membrane element caused secondary pollution to be a device that the membrane element was washd in circulation that cleaning quality and cleaning efficiency are all very high.

In order to achieve the technical purpose, the utility model provides a following technical scheme:

the utility model provides a movable membrane washing device, which comprises a shell, a dosing tank, a cleaning pump, a precision filter, a first membrane shell, a second membrane shell, a control electronic box and universal wheels; a water outlet at the bottom of one side of the dosing tank is connected with a water inlet of the cleaning pump through a first pipeline, a water drainage pipe is connected to the bottom of the other side of the dosing tank, and a water inlet is formed in the top of the dosing tank; the water outlet of the cleaning pump is connected with the water inlet of the precision filter through a second pipeline; the outlet of the precision filter is connected with the water inlet of the first membrane shell through a third pipeline, and the outlet of the precision filter is connected with the water inlet of the second membrane shell through a fourth pipeline; the water outlet of the first membrane shell is connected with the water inlet of the dosing box through a fifth pipeline, and the water outlet of the second membrane shell is connected with the water inlet of the dosing box through a sixth pipeline.

Only one membrane element can be loaded in the first membrane housing and the second membrane housing.

Preferably, the first pipeline, the drain pipe, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline are all provided with pipe fitting valves.

Preferably, the pipe valve is a PVC valve.

Furthermore, a flow meter and a pressure gauge are sequentially arranged on the second pipeline, which is connected with the water inlet of the precision filter, of the water outlet of the cleaning pump.

Preferably, the precision filter is filled with a PP melt-blown filter element with the particle size of 1 micron.

Preferably, the shell, the precision filter, the first membrane shell and the second membrane shell are made of stainless steel; the first pipeline, the drain pipe, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline are all made of UPVC.

Compared with the prior art, the technical scheme of the utility model has following beneficial effect:

the membrane washing device of the utility model is provided with the dosing tank, the precision filter and the membrane shell which are connected in sequence through pipelines and are arranged circularly, and the water outlet of the dosing tank is connected with the water inlet of the cleaning pump, so that a circular cleaning system of a membrane is formed, membrane washing agents can be recycled, and the cleaning cost is saved; meanwhile, two membrane shells in the membrane washing device are connected in parallel, only one membrane element can be loaded in each membrane shell, so that the cleaning passage of each membrane element is relatively independent, and a precise filter is arranged in the membrane washing device, so that secondary pollution of cleaning impurities to the membrane elements is avoided, and the cleaning efficiency is improved. In addition, through wash membrane device's shell bottom sets up the universal wheel, make and wash convenient the removal of membrane device, and the practicality is strong, is convenient for provide the on-the-spot maintenance service to the user.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described as follows:

FIG. 1 is a schematic structural view of a mobile membrane washing device of the present invention;

FIG. 2 is a flow chart of the operation of the membrane washing device according to the embodiment of the present invention;

in the figure: 1. a housing; 2. a dosing box; 3. cleaning the pump; 4. a precision filter; 5. a first membrane shell; 6. a second membrane shell; 7. a flow meter; 8. a pressure gauge; 9. a universal wheel; 10. controlling an electric box; 11. a first conduit; 12. a second conduit; 13. a third pipeline; 14. a fourth conduit; 15. a fifth pipeline; 16. and a sixth pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Example 1

As shown in fig. 1 ~ 2, the movable membrane washing device comprises a housing 1, a dosing tank 2, a washing pump 3, a precision filter 4, a first membrane shell 5, a second membrane shell 6, a control electronic box 9 and universal wheels 10, wherein a water outlet at the bottom of one side of the dosing tank 2 is connected with a water inlet of the washing pump 3 through a first pipeline 11, a water outlet at the bottom of the other side of the dosing tank 2 is connected with a water outlet pipe, a water inlet is arranged at the top of the dosing tank 2, a water outlet of the washing pump 3 is connected with a water inlet of the precision filter 4 through a second pipeline 12, an outlet of the precision filter 4 is connected with a water inlet of the first membrane shell 5 through a third pipeline 13, an outlet of the precision filter 4 is connected with a water inlet of the second membrane shell 6 through a fourth pipeline 14, a water outlet of the first membrane shell 5 is connected with a water inlet of the dosing tank 2 through a fifth pipeline 15, and a water outlet of the second membrane shell 6 is connected with a water inlet of the dosing tank 2 through a sixth pipeline 16.

Only one membrane element can be loaded in the first and

second membrane housings

5, 6. All be equipped with the pipe fitting valve on first pipeline 11, drain pipe, second pipeline 12, third pipeline 13, fourth pipeline 14, fifth pipeline 15 and the sixth pipeline 16, the pipe fitting valve is the PVC valve. And a flow meter 7 and a pressure gauge 8 are sequentially arranged on a second pipeline 12 which is connected with the water outlet of the cleaning pump 3 and the water inlet of the precision filter 4. And a PP melt-blown filter element with the diameter of 1 micron is filled in the precision filter 4. The shell 1, the precision filter 4, the first membrane shell 5 and the second membrane shell 6 are made of stainless steel; the first pipeline 11, the drain pipe, the second pipeline 12, the third pipeline 13, the fourth pipeline 14, the fifth pipeline 15 and the sixth pipeline 16 are all made of UPVC.

The working principle of the mobile membrane washing device of the present invention is specifically described below with reference to fig. 1 ~ 2:

as shown in fig. 1, a square housing 1 of 100 x 50 x 90cm is welded by a stainless steel square tube of 38 x 25mm, and a dosing tank 2, a cleaning pump 3, a precision filter 4, a first membrane shell 5 and a second membrane shell 6 are fixed in the housing 1; as shown in fig. 2, the components are connected in sequence by UPVC piping.

When a membrane element of water purifying equipment of a customer is polluted and blocked and needs to be cleaned, the set of membrane cleaning device is transported to the site, the membrane element of the customer is detached and is loaded into a membrane shell, purified water and cleaning agents are added into the dosing tank 2 in proportion, a 1 micron PP melt-blown filter element is filled in the precision filter 4, the cleaning pump 3 is started through the control electric box 9, and the circulation flow is adjusted. Closing the valves on the drain pipes of the dosing tank 2, selectively opening the valves on the third pipeline 13, the fourth pipeline 14, the fifth pipeline 15 and the sixth pipeline 16 according to the cleaning quantity of the membranes, opening the rest valves, conveying the medicaments in the dosing tank 2 to the precision filter 4 by the cleaning pump 3, cleaning membrane elements in the membrane shell after removing pollutants such as colloids and microorganisms in the medicaments by the precision filter 4, and refluxing the cleaned medicaments to the dosing tank 2; after the medicine washing is finished, the medicine in the dosing tank 2 is discharged through the drain pipe and then is injected into clean water, the clean water in the dosing tank 2 is transferred into the membrane element through the precision filter 4 by the cleaning pump 3 to be cleaned, the obtained cleaning liquid flows back into the dosing tank 2, and the circulation is repeated for many times, so that the purification function of the membrane element is recovered.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A movable membrane washing device is characterized by comprising a shell, a dosing tank, a cleaning pump, a precision filter, a first membrane shell, a second membrane shell, a control electric box and universal wheels; a water outlet at the bottom of one side of the dosing tank is connected with a water inlet of the cleaning pump through a first pipeline, a water drainage pipe is connected to the bottom of the other side of the dosing tank, and a water inlet is formed in the top of the dosing tank; the water outlet of the cleaning pump is connected with the water inlet of the precision filter through a second pipeline; the outlet of the precision filter is connected with the water inlet of the first membrane shell through a third pipeline, and the outlet of the precision filter is connected with the water inlet of the second membrane shell through a fourth pipeline; the water outlet of the first membrane shell is connected with the water inlet of the dosing box through a fifth pipeline, and the water outlet of the second membrane shell is connected with the water inlet of the dosing box through a sixth pipeline.

2. The mobile membrane washing device as claimed in claim 1, wherein only one membrane element can be loaded in the first and second membrane housings.

3. The mobile membrane washing device according to claim 1, wherein pipe valves are disposed on the first pipeline, the drain pipe, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline.

4. The mobile membrane washing device according to claim 3, wherein the pipe valve is a PVC valve.

5. The mobile membrane washing device of claim 1, wherein a flow meter and a pressure gauge are sequentially arranged on the second pipeline connecting the water outlet of the washing pump and the water inlet of the precision filter.

6. The mobile membrane washing device as claimed in claim 1, wherein the fine filter is filled with a 1 micron PP melt-blown filter element.

7. The mobile membrane washing device according to claim 1 ~ 5, wherein the housing, the precision filter, the first membrane shell and the second membrane shell are made of stainless steel, and the first pipeline, the drain pipe, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline are made of UPVC.