CN216604783U

CN216604783U - Reverse osmosis membrane online cleaning device for water purifying equipment

Info

Publication number: CN216604783U
Application number: CN202123271989.4U
Authority: CN
Inventors: 董诗明; 董玉胜
Original assignee: Jinan Shangen Environmental Protection Technology Co ltd
Current assignee: Jinan Shangen Environmental Protection Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-27
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses an online cleaning device for a reverse osmosis membrane of water purification equipment, which comprises a solvent tank, a reverse osmosis membrane shell, a filter and a dosing device, wherein a water outlet of the solvent tank is connected with a raw water pipe of the reverse osmosis membrane shell through a water outlet pipe, the water outlet pipe is provided with a first valve, a first PH meter and a cleaning pump, the front end of the raw water pipe is connected with a water inlet of the solvent tank through a water injection pipe, a water production pipe of the reverse osmosis membrane shell is provided with a fourth valve, a concentrated water pipe is provided with a fifth valve, the concentrated water pipe between the fifth valve and the reverse osmosis membrane shell is connected with the water inlet of the solvent tank through a return pipe, the return pipe is provided with a sixth valve, a second PH meter and the filter, and the dosing device is connected with the water inlet of the solvent tank through a dosing pipe. The utility model can combine different pipelines, so that the pipelines are mutually matched to clean the reverse osmosis membrane, and can effectively mix the cleaning agent, improve the accuracy of dosage concentration and effectively improve the reverse osmosis membrane and cleaning effect.

Description

Reverse osmosis membrane online cleaning device for water purifying equipment

Technical Field

The utility model relates to the technical field of reverse osmosis membrane cleaning, in particular to an online cleaning device for a reverse osmosis membrane of water purification equipment.

Background

With the wide application of water purification equipment in the water treatment industry, reverse osmosis membranes are gradually valued by people. The reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics and is made by simulating a biological semipermeable membrane, and is a core component of a reverse osmosis technology. The reverse osmosis technology is based on the principle that under the action of the osmotic pressure higher than the solution, other substances cannot permeate a semipermeable membrane to separate the substances from water, and the membrane aperture of the reverse osmosis membrane is very small, so that dissolved salts, colloids, microorganisms, organic matters and the like in water can be effectively removed. Therefore, in order to recover the permeation amount and the desalination performance of the reverse osmosis membrane, it is necessary to periodically clean the reverse osmosis membrane.

At present, a cleaning water tank, a cleaning water pump and a filter are usually additionally arranged on the existing reverse osmosis membrane cleaning equipment and used for cleaning a reverse osmosis membrane on line.

In the process of implementing the utility model, the inventor finds that at least the following problems exist in the prior art: firstly, the pipeline configuration is simple, not only needs manual operation, and intensity of labour is big moreover, and secondly the concentration of dispensing is inaccurate, leads to that the washing time is long, the cleaning performance is poor, can't thoroughly clear away the pollutant of deposit on the membrane.

Disclosure of Invention

Aiming at the defects of the prior art, the reverse osmosis membrane online cleaning device for the water purification equipment is developed, and the utility model can effectively configure different pipelines, so that the pipelines are mutually matched to clean the reverse osmosis membrane, and can effectively mix the cleaning agent, thereby improving the accuracy of dosage concentration and effectively improving the cleaning efficiency and cleaning effect of the reverse osmosis membrane.

The technical scheme for solving the technical problem of the utility model is as follows: an online cleaning device of reverse osmosis membrane for water purification equipment comprises a solvent tank, a reverse osmosis membrane shell, a filter and a dosing device, the water outlet of the solvent tank is connected with a raw water pipe of the reverse osmosis membrane shell through a water outlet pipe, a first valve, a first PH meter and a cleaning pump are arranged on the water outlet pipe, the front end of the raw water pipe is connected with the water inlet of the solvent tank through a water injection pipe, the water injection pipe is provided with a second valve, the raw water pipe between the water outlet pipe and the water injection pipe is provided with a third valve, a fourth valve is arranged on a water production pipe of the reverse osmosis membrane shell, a fifth valve is arranged on a concentrated water pipe, the concentrated water pipe between the fifth valve and the reverse osmosis membrane shell is connected with a water inlet of the solvent tank through a return pipe, and the backflow pipe is provided with a sixth valve, a second PH meter and a filter, and the dosing device is connected with a water inlet of the solvent tank through a dosing pipe.

As optimization, charge device includes the medical kit, gets cartridge case, telescoping device, piston, it is provided with the telescoping device to get cartridge case top, and inside is provided with the piston, and the bottom is provided with gets pencil and injection pipe, get and be provided with seventh valve and eighth valve on pencil and the injection pipe respectively, get the pencil and be connected with the medical kit, the output and the piston of telescoping device link to each other.

Preferably, the telescopic device is any one of an electric cylinder, an air cylinder and a hydraulic cylinder.

Preferably, the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve and the eighth valve are all solenoid valves.

As optimization, a heating device and a detection device are arranged in the solvent tank, and the detection device at least comprises a liquid level sensor and a temperature sensor.

As optimization, the reverse osmosis membrane online cleaning device for the water purification equipment further comprises a control device, wherein the input end of the control device is connected with the detection device, the first PH meter and the second PH meter respectively, and the output end of the control device is connected with the heating device, the telescopic device, the first valve, the cleaning pump, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve and the eighth valve respectively.

The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and the above technical solution has the following advantages or advantageous effects:

by arranging the solvent box, the mixed diluted cleaning agent can be stored; the mixed liquid after being filtered can be filtered by arranging the filter; by arranging the dosing device, the stock solution of the cleaning agent can be added into the solvent tank through the dosing pipe, and the concentration of the cleaning agent is improved properly in the cleaning process; by arranging the cleaning pump, the cleaning agent in the solvent tank can be pressurized and then is conveyed to the reverse osmosis membrane shell for cleaning through the water outlet pipe; the water injection pipeline can be formed by the raw water pipe and the water injection pipe by arranging the first valve, the second valve and the third valve; through arranging the first valve, the fourth valve, the fifth valve and the sixth valve, a cleaning pipeline is formed by the water outlet pipe, the raw water pipe, the concentrated water pipe and the return pipe, and the reverse osmosis membrane shell is cleaned circularly; by arranging the first PH meter and the second PH meter, the PH value change of the cleaning agent before and after the reverse osmosis membrane shell is cleaned can be detected, so that the cleaning effect is judged, and the accuracy of the dispensing concentration is conveniently improved; the utility model can effectively combine different pipelines to mutually cooperate and clean the reverse osmosis membrane, and can effectively mix the cleaning agent, improve the accuracy of dosage concentration and effectively improve the cleaning efficiency and cleaning effect of the reverse osmosis membrane.

Drawings

FIG. 1 is a front view of one embodiment of the present invention.

FIG. 2 is a schematic view of a medicating device of one embodiment of the present disclosure.

In the figure, 1 is a solvent tank, 1 is a heating device, 1 is a detection device, 2 is a reverse osmosis membrane shell, 3 is a filter, 4 is a dosing device, 4 is a medicine tank, 4 is a medicine taking box, 2 is a telescopic device, 4 is a piston, 5 is a medicine taking pipe, 5 is a water outlet pipe, 6 is a raw water pipe, 7 is a first valve, 8 is a first PH meter, 9 is a cleaning pump, 10 is a water injection pipe, 11 is a second valve, 12 is a third valve, 13 is a water production pipe, 14 is a fourth valve, 15 is a concentrated water pipe, 16 is a fifth valve, 17 is a return pipe, 18 is a sixth valve, 19 is a second PH meter, 20 is a medicine injection pipe, 21 is a seventh valve, and 22 is an eighth valve.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides embodiments or examples for implementing the inventive arrangements. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the utility model. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 to 2 show an embodiment of the present invention, and as shown in the figures, an online cleaning device for reverse osmosis membranes of water purification equipment comprises a solvent tank 1, a reverse osmosis membrane housing 2, a filter 3 and a chemical adding device 4, wherein a water outlet of the solvent tank 1 is connected with a raw water pipe 6 of the reverse osmosis membrane housing 2 through a water outlet pipe 5, the water outlet pipe 5 is provided with a first valve 7, a first PH meter 8 and a cleaning pump 9, the front end of the raw water pipe 6 is connected with a water inlet of the solvent tank 1 through a water injection pipe 10, the water injection pipe 10 is provided with a second valve 11, the raw water pipe 6 between the water outlet pipe 5 and the water injection pipe 10 is provided with a third valve 12, a water production pipe 13 of the reverse osmosis membrane housing 2 is provided with a fourth valve 14, a concentrated water pipe 15 is provided with a fifth valve 16, and a concentrated water pipe 15 between the fifth valve 16 and the reverse osmosis membrane housing 2 is connected with the water inlet of the solvent tank 1 through a return pipe 17, the backflow pipe 17 is provided with a sixth valve 18, a second PH meter 19 and a filter 3, and the dosing device 4 is connected with a water inlet of the solvent tank 1 through a dosing pipe 20.

By arranging the solvent box 1, the mixed diluted cleaning agent can be stored; the filter 3 is provided to filter the mixed liquid after washing; by arranging the dosing device 4, the stock solution of the cleaning agent can be added into the solvent tank 1 through the injection pipe 20, and the concentration of the cleaning agent is improved properly in the cleaning process; the cleaning agent in the solvent tank 1 can be pressurized by arranging the cleaning pump 9, and then is conveyed to the reverse osmosis membrane shell 2 through the water outlet pipe 5 for cleaning; the raw water pipe 6 and the water injection pipe 10 can form a water injection pipeline by arranging the first valve 7, the second valve 11 and the third valve 12; through arranging the first valve 7, the fourth valve 14, the fifth valve 16 and the sixth valve 18, the water outlet pipe 5, the raw water pipe 6, the concentrated water pipe 15 and the return pipe 17 form a cleaning pipeline, and the reverse osmosis membrane shell 2 is cleaned circularly; through setting up first PH meter 8 and second PH meter 19, can detect the PH value change of rinsing agent around rinsing reverse osmosis membrane shell 2 to judge the cleaning performance.

The medicine adding device 4 comprises a medicine box 4-1, a medicine taking barrel 4-2, a telescopic device 4-3, a piston 4-4, a medicine taking pipe 4-5, a seventh valve 21 and an eighth valve 22, the telescopic device 4-3 is arranged at the top of the medicine taking barrel 4-2, the piston 4-4 is arranged inside the medicine taking barrel, the medicine taking pipe 4-5 and a medicine injection pipe 20 are arranged at the bottom of the medicine taking barrel 4-2, the seventh valve 21 and the eighth valve 22 are respectively arranged on the medicine taking pipe 4-5 and the medicine injection pipe 20, the medicine taking pipe 4-5 is connected with the medicine box 4-1, and the output end of the telescopic device 4-3 is connected with the piston 4-4. By arranging the medicine chest 4-1, the cleaning agent stock solution can be stored; by arranging the medicine taking box 4-2, the telescopic device 4-3 and the piston 4-4, stock solution in the medicine box 4-1 can be quantitatively extracted, and then the stock solution of the cleaning agent is added into the solvent box 1 through the medicine injection pipe 20; through setting up seventh valve 21 and eighth valve 22, can prevent to extract the stoste volume and take place the mistake with getting it filled, injection process separation.

The telescopic device 4-3 is any one of an electric cylinder, an air cylinder and a hydraulic cylinder.

The first valve 7, the second valve 11, the third valve 12, the fourth valve 14, the fifth valve 16, the sixth valve 18, the seventh valve 21 and the eighth valve 22 are all solenoid valves. The first valve 7, the second valve 11, the third valve 12, the fourth valve 14, the fifth valve 16, the sixth valve 18, the seventh valve 21 and the eighth valve 22 are all electromagnetic valves, so that the control is convenient.

The solvent tank 1 is internally provided with a heating device 1-1 and a detection device 1-2, and the detection device 1-2 at least comprises a liquid level sensor and a temperature sensor.

The utility model provides an online belt cleaning device of reverse osmosis membrane for water purification unit still includes controlling means, controlling means's input is connected with detection device 1-2, first PH meter 8 and second PH meter 19 respectively, and the output is connected with heating device 1-1, telescoping device 4-3, first valve 7, scavenging pump 9, second valve 11, third valve 12, fourth valve 14, fifth valve 16, sixth valve 18, seventh valve 21 and eighth valve 22 respectively.

When the cleaning agent box is used, a cleaning agent stock solution is stored in the agent box 4-1, when a reverse osmosis membrane needs to be cleaned, the control device closes the first valve 7 and the third valve 12, opens the second valve 11, raw water enters the solvent box 1 through the raw water pipe 6 and the water injection pipe 10, after water injection is finished, the detection device 1-2 detects the level of the raw water, then the control device opens the seventh valve 21 according to the raw water amount, the expansion device 4-3 is started, the expansion device 4-3 pulls the piston 4-4 to pump a proper amount of the cleaning agent stock solution into the agent taking box 4-2, the seventh valve 21 is closed, the eighth valve 22 is opened, the expansion device 4-3 pushes the piston 4-4 to deliver the cleaning agent stock solution into the raw water solvent box 1 through the medicine injection pipe 20 to be mixed with the cleaning agent for dilution, and the heating device 1-1 heats the cleaning agent to a proper temperature, completing the preparation work; then the control device closes the fourth valve 14 and the fifth valve 16, opens the first valve 7 and the sixth valve 18 to form a cleaning pipeline, starts the cleaning pump 9, the cleaning pump 9 pumps out the cleaning agent, the first PH meter 8 on the water outlet pipe 5 detects the PH value of the cleaning agent, the cleaning agent enters the reverse osmosis membrane shell 2 through the water outlet pipe 5 to clean the reverse osmosis membrane, pollutants such as inorganic dirt, colloid, microorganism, metal oxide and the like deposited on the surface of the reverse osmosis membrane are decomposed, the permeability and the desalination performance of the reverse osmosis membrane are recovered, the cleaning agent flows out from the concentrated water pipe 15 of the reverse osmosis membrane shell 2 to enter the return pipe 17, the second PH meter 19 detects the PH value of the cleaning agent after cleaning, the cleaning agent after cleaning is filtered by the filter 3, impurities are filtered, and finally the cleaning agent returns to the solvent tank 1 to be cleaned in a circulating manner; in the circulating cleaning process, the control device judges whether a cleaning agent stock solution needs to be supplemented or not according to the pH values detected by the first pH meter 8 and the second pH meter 19, whether the cleaning is finished or not is judged, if the pH values before and after the cleaning are close to neutrality, a proper amount of stock solution needs to be supplemented, and if the pH values before and after the cleaning do not change obviously, the cleaning is finished; after cleaning, the control device opens the third valve 12, closes the first valve 7 and the second valve 11, raw water passes through the raw water pipe 6, the reverse osmosis membrane shell 2, the concentrated water pipe 15, the return pipe 17 and the filter 3 in sequence, finally sewage in the cleaning pipeline is flushed and discharged into the solvent tank 1, then the control device closes the third valve 12 and the sixth valve 18, opens the first valve 7 and the second valve 11, raw water enters the solvent tank 1 through the raw water pipe 6 and the water injection pipe 10, sewage in the solvent tank 1 is discharged through the water outlet pipe 5, the raw water pipe 6 and the concentrated water pipe 15 until the sewage is completely discharged, and cleaning is completed; the utility model not only can effectively configure different pipelines to mutually match and clean the reverse osmosis membrane, but also can effectively mix the cleaning agent, improve the accuracy of dosage concentration and effectively improve the cleaning efficiency and cleaning effect of the reverse osmosis membrane.

Although the present invention has been described with reference to the specific embodiments shown in the drawings, it is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art without inventive changes based on the technical solution of the present invention.

Claims

1. The utility model provides an online belt cleaning device of reverse osmosis membrane for water purification equipment, includes solvent case (1), reverse osmosis membrane shell (2), filter (3) and charge device (4), characterized by: the delivery port of solvent case (1) passes through outlet pipe (5) and is connected with former water pipe (6) of reverse osmosis membrane shell (2), be provided with first valve (7), first PH meter (8) and scavenging pump (9) on outlet pipe (5), the water inlet of solvent case (1) is connected through water injection pipe (10) to former water pipe (6) front end, be provided with second valve (11) on water injection pipe (10), be provided with third valve (12) on former water pipe (6) between outlet pipe (5) and water injection pipe (10), be provided with fourth valve (14) on water production pipe (13) of reverse osmosis membrane shell (2), be provided with fifth valve (16) on thick water pipe (15), thick water pipe (15) between fifth valve (16) and the reverse osmosis membrane shell (2) are through the water inlet of back flow (17) connection solvent case (1), be provided with sixth valve (18) on back flow (17), A second PH meter (19) and a filter (3), wherein the medicine adding device (4) is connected with the water inlet of the solvent tank (1) through a medicine injection pipe (20).

2. The online cleaning device for the reverse osmosis membrane of the water purifying equipment as claimed in claim 1, which is characterized in that: the medicine adding device (4) comprises a medicine box (4-1), a medicine taking barrel (4-2), a telescopic device (4-3) and a piston (4-4), wherein the telescopic device (4-3) is arranged at the top of the medicine taking barrel (4-2), the piston (4-4) is arranged inside the medicine taking barrel, a medicine taking pipe (4-5) and a medicine injection pipe (20) are arranged at the bottom of the medicine taking barrel, a seventh valve (21) and an eighth valve (22) are respectively arranged on the medicine taking pipe (4-5) and the medicine injection pipe (20), the medicine taking pipe (4-5) is connected with the medicine box (4-1), and the output end of the telescopic device (4-3) is connected with the piston (4-4).

3. The online cleaning device for the reverse osmosis membrane of the water purifying equipment as claimed in claim 2, which is characterized in that: the telescopic device (4-3) is any one of an electric cylinder, an air cylinder and a hydraulic cylinder.

4. The online cleaning device for the reverse osmosis membrane of the water purifying equipment as claimed in claim 2, which is characterized in that: the first valve (7), the second valve (11), the third valve (12), the fourth valve (14), the fifth valve (16), the sixth valve (18), the seventh valve (21) and the eighth valve (22) are all electromagnetic valves.

5. The online cleaning device for the reverse osmosis membrane of the water purifying equipment as claimed in claim 4, which is characterized in that: the solvent tank (1) is internally provided with a heating device (1-1) and a detection device (1-2), and the detection device (1-2) at least comprises a liquid level sensor and a temperature sensor.

6. The online cleaning device for the reverse osmosis membrane of the water purifying equipment as claimed in claim 5, which is characterized in that: the utility model provides an online belt cleaning device of reverse osmosis membrane for water purification unit still includes controlling means, controlling means's input is connected with detection device (1-2), first PH meter (8) and second PH meter (19) respectively, and the output is connected with heating device (1-1), telescoping device (4-3), first valve (7), scavenging pump (9), second valve (11), third valve (12), fourth valve (14), fifth valve (16), sixth valve (18), seventh valve (21) and eighth valve (22) respectively.