CN220992054U - Membrane element belt cleaning device - Google Patents
Membrane element belt cleaning device Download PDFInfo
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- CN220992054U CN220992054U CN202322836470.9U CN202322836470U CN220992054U CN 220992054 U CN220992054 U CN 220992054U CN 202322836470 U CN202322836470 U CN 202322836470U CN 220992054 U CN220992054 U CN 220992054U
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- water
- membrane element
- water inlet
- cleaning device
- cleaning
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- 238000004140 cleaning Methods 0.000 title claims abstract description 71
- 239000012528 membrane Substances 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 168
- 238000007789 sealing Methods 0.000 claims description 31
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012459 cleaning agent Substances 0.000 description 27
- 239000003344 environmental pollutant Substances 0.000 description 11
- 231100000719 pollutant Toxicity 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010887 waste solvent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a membrane element cleaning device which comprises a water pump, a cleaning assembly, a water tank and a control unit, wherein the control unit is electrically connected with the water pump, a cavity for placing a membrane element is arranged in the cleaning assembly, a first water inlet communicated with the cavity is arranged at one end of the cleaning assembly, a second water inlet and a water outlet communicated with the cavity are also arranged on the side wall of the cleaning assembly, the first water inlet and the second water inlet are respectively communicated with one end of the water pump through pipelines, the water outlet is communicated with one end of the water tank through a pipeline, and the other end of the water tank is communicated with the other end of the water pump through a pipeline. The utility model can automatically complete the cleaning of the membrane element, and has good cleaning effect and high efficiency.
Description
Technical Field
The utility model relates to the field of cleaning devices, in particular to a membrane element cleaning device.
Background
In the automobile coating industry, the primer and the colored paint of automobiles are water-based paint, and after spraying, an atomizer, a rotary cup and the like are cleaned by a water-based solvent (obtained by proportioning pure water and a solvent stock solution) to generate a large amount of water-based waste solvent. At present, an ultrafiltration UF membrane and a reverse osmosis RO membrane are adopted in the industry to recycle the aqueous waste solvent, and the recycling efficiency can reach 70%. The water-based paint contains a large amount of solid matters and metal powder, so that the pollution to the UF membrane and the RO membrane is huge, the membrane flux is correspondingly reduced after the membrane is polluted, the more the membrane flux is reduced, the larger the pressure difference between the front and the rear of the membrane is, the temperature of the membrane is further increased, the service life of the membrane is greatly reduced, and even the membrane is damaged.
At present, the cleaning method of the membrane element is to manually clean the membrane element by means of a cleaning device, but the common cleaning device has a single cleaning mode for the membrane element, and pollutants and impurities on the surface of the membrane element are gradually accumulated after long-time cleaning, so that the membrane element cannot be effectively cleaned.
Disclosure of utility model
In order to solve the problems, the utility model provides a membrane element cleaning device which can effectively clean accumulated pollutants, automatically complete the cleaning operation of the membrane element, solve the problem that the membrane element is not cleaned cleanly and has high cleaning efficiency.
In order to achieve the above purpose, the membrane element cleaning device comprises a water pump, a cleaning assembly, a water tank and a control unit, wherein the control unit is electrically connected with the water pump, a cavity for placing a membrane element is arranged in the cleaning assembly, a first water inlet communicated with the cavity is arranged at one end of the cleaning assembly, a second water inlet and a water outlet communicated with the cavity are also arranged on the side wall of the cleaning assembly, the first water inlet and the second water inlet are respectively communicated with one end of the water pump through pipelines, the water outlet is communicated with one end of the water tank through pipelines, and the other end of the water tank is communicated with the other end of the water pump through pipelines.
According to the technical scheme, the membrane element is rolled into a cylinder and then placed in the cavity of the cleaning component, the cleaning agent for cleaning the membrane element is stored in the water tank, the control unit controls the water pump to be started, a part of cleaning agent in the water tank is introduced into one end of the cleaning component through the first water inlet to flush the inner wall of the membrane element and flush pollutants to the outer wall, the other part of cleaning agent is introduced into the side wall of the cleaning component from the second water inlet to flush the outer wall of the membrane element, the pollutants are further flushed, then the pollutants are discharged along with the cleaning agent from the water outlet, then the cleaning agent flows back into the water tank, the cleaning agent circularly flows in the cleaning device under the action of the water pump, the membrane element is continuously cleaned, and after the cleaning time is up, the control unit controls the water pump to be closed.
As a preferred scheme, in order to clean the membrane element to achieve a good cleaning effect, the cleaning assembly comprises a main body, a first sealing cover and a second sealing cover, wherein the main body is of a hollow cylinder structure, the cavity is formed in the main body, two ports communicated with the cavity are respectively formed at two ends of the main body, the first sealing cover and the second sealing cover are respectively covered on the two ports, the first water inlet is formed in the first sealing cover, the second water inlet and the water outlet are formed in the side wall of the main body, and the first sealing cover and the second sealing cover are respectively detachably connected to the upper end and the lower end of the main body to seal the membrane element in the cavity.
As a preferable scheme, the second water inlet is arranged close to one end of the first water inlet, the water outlet is arranged far away from one end of the first water inlet, the membrane element is rolled into a cylinder and placed in a cavity matched with the first water inlet, the first water inlet corresponds to one end of the membrane element, when the cleaning agent enters the cavity from the first water inlet, the cleaning agent firstly contacts with the inner wall of the cylindrical membrane element and passes through the membrane element to flow outwards, finally flows out from the water outlet, the pollutants on the membrane element are flushed to the outer wall of the membrane element, then the cleaning agent enters the cavity from the second water inlet, the cleaning agent flushes the outer wall of the membrane element, the pollutants on the outer wall are flushed, and finally flows out from the water outlet.
In one preferred scheme, in order to control the cleaning agent flowing out of the water pump to flow into the first water inlet or the second water inlet, one end of the water pump is connected with a reversing valve through a pipeline, and the first water inlet and the second water inlet are respectively connected with one end of the reversing valve through pipelines.
In order to realize automatic control of the reversing valve, the control unit is electrically connected with the reversing valve, the water pump is communicated with the first water inlet at first when the membrane element is cleaned from inside to outside, and after the preset time is reached, the control unit controls the reversing valve to reverse so that the water pump is communicated with the second water inlet, and the outer wall of the membrane element is cleaned.
As a preferable scheme, in order to regulate the pressure in the pipeline, a back pressure valve is arranged on the pipeline connecting the water outlet and the water tank.
In a preferred embodiment, the control unit is electrically connected to the back pressure valve in order to achieve an automatic control of the back pressure valve.
In one preferred scheme, in order to monitor the pressure in the pipeline, a pressure sensor is arranged on the pipeline, connected with the water pump, of the cleaning assembly, the pressure sensor is electrically connected with the control unit, the pressure sensor feeds back a pressure value to the control unit in real time, when the pressure value is lower than a preset pressure range, the control unit increases the rotating speed of the water pump to increase the pressure, and when the pressure value is higher than the preset pressure range, the control unit decreases the rotating speed of the water pump to decrease the pressure.
As a preferred scheme, in order to filter out pollutants in the cleaning agent to improve the utilization rate of the cleaning agent, a filter communicated with the cleaning assembly and the water tank is arranged between the cleaning assembly and the water tank.
As a preferable scheme, in order to discharge the used cleaning agent, a drain outlet is arranged on the water tank, and a drain valve for closing or opening the drain outlet is arranged on the drain outlet.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the control unit is used for controlling the water pump to be turned on or turned off, so that the membrane element is automatically cleaned, the cleaning efficiency is high, and the manpower is saved.
2. According to the utility model, the water pump, the cleaning component and the water tank are sequentially communicated to form a loop to clean the membrane element, so that the cleaning agent can be recycled, the utilization rate of the cleaning agent is improved, and the cost is saved.
3. The cleaning agent enters the cavity through the first water inlet and the second water inlet respectively, cleans the membrane element from two directions, ensures that pollutants on the membrane element can be cleaned up, and has good cleaning effect.
Drawings
FIG. 1 is a schematic view of a membrane element cleaning device according to the present utility model;
FIG. 2 is a schematic view of the structure of the cleaning assembly;
fig. 3 is a partial enlarged view of a portion a in fig. 2.
In the figure: a water pump 1; a cleaning assembly 2; a main body 201; a first seal cap 202; a second sealing cover 203; a first water inlet 204; a second water inlet 205; a water outlet 206; locking member 207; a water tank 3; a controller 4; a frequency converter 5; a reversing valve 6; a back pressure valve 7; a pressure sensor 8; a filter 9; a blow-down valve 10.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and it is possible for those of ordinary skill in the art to understand the specific meaning of the above terms according to the specific circumstances.
The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:
Example 1:
As shown in fig. 1 to 3, there is provided a membrane element cleaning device, which comprises a water pump 1, a cleaning assembly 2, a water tank 3 and a control unit, wherein the control unit is electrically connected with the water pump 1, a cavity for placing a membrane element is arranged in the cleaning assembly 2, a first water inlet 204 communicated with the cavity is arranged at one end of the cleaning assembly 2, a second water inlet 205 and a water outlet 206 communicated with the cavity are further arranged on the side wall of the cleaning assembly 2, the first water inlet 204 and the second water inlet 205 are respectively communicated with one end of the water pump 1 through pipelines, the water outlet 206 is communicated with one end of the water tank 3 through pipelines, and the other end of the water tank 3 is communicated with the other end of the water pump 1 through pipelines.
In this embodiment, the control unit includes controller 4 and converter 5, water pump 1 is electric water pump 1, controller 4 with the converter 5 electricity is connected, the converter 5 is connected with the motor electricity of water pump 1, control 4 adjusts the motor rotational speed of water pump 1 through adjusting the frequency of converter 5, controller 4 can set for the motor operating time of water pump 1 to set for the cleaning time of membrane element, realized the automatic cleaning operation of membrane element, the inside cleaner that is equipped with of water tank 3, cleaning assembly 2 can fix the membrane element in its inside cavity to water pump 1, cleaning assembly 2, water tank 3 communicate in proper order and form the return circuit, and water pump 1 then provides for the cleaner through the kinetic energy, makes the cleaner circulation flow in this return circuit.
Specifically, as shown in fig. 2 and 3, the cleaning assembly 2 includes a main body 201, a first sealing cover 202 and a second sealing cover 203, the main body 201 is of a hollow cylindrical structure, the cavity is formed in the main body 201, two ports which are communicated with the cavity are respectively formed at two ends of the main body 201, the first sealing cover 202 and the second sealing cover 203 are respectively covered on the two ports, the first water inlet 204 is arranged on the first sealing cover 202, and the second water inlet 205 and the water outlet 206 are arranged on the side wall of the main body 201.
In this embodiment, the cavity inside the main body 201 is adapted to the shape of the rolled film element, the first sealing cover 202 and the second sealing cover 203 are covered on two end edges of the main body 201, the first sealing cover 202 and the second sealing cover 203 are both provided with annular telescopic buckles for enabling the diameters of the covers to be telescopic, gaps are formed in the telescopic buckles, locking members 207 are arranged at the gaps, one end of each locking member 207 is rotatably connected to one end of each telescopic buckle, the other end of each locking member 207 can be clamped with the other end of each telescopic opening to fix the telescopic buckle, before the film element is cleaned, the film element is placed in the cavity of the main body 201, then the first sealing cover 202 and the second sealing cover 203 are respectively covered on two ends of the main body 201, and the other end of each locking member 207 is clamped with the other end of each telescopic buckle on the first sealing cover 202 or the second sealing cover 203, so that the first sealing cover 202 and the second sealing cover 203 are fixed on the main body 201, and the film element is sealed in the cavity, and leakage of cleaning agent is effectively avoided.
Specifically, the second water inlet 205 is disposed near one end of the first water inlet 204, and the water outlet 206 is disposed far from one end of the first water inlet 204.
In this embodiment, the first water inlet 204 is located on the first sealing cover 202, the second water inlet 205 is located on the side wall of the main body 201 close to the first water inlet 204, the water outlet 206 is located on the side wall of the main body 201 far from the first water inlet 204, and the cleaning agent can enter the main body 201 through the first water inlet 204 or the second water inlet 205 and then flow out from the water outlet 206.
Specifically, one end of the water pump 1 is connected with a reversing valve 6 through a pipeline, the first water inlet 204 and the second water inlet 205 are respectively connected with one end of the reversing valve 6 through pipelines, in this embodiment, the reversing valve 6 is a two-position three-way valve, a main runner of the reversing valve 6 is communicated with the water pump 1, and two diversion runners of the reversing valve 6 are respectively communicated with the first water inlet 204 and the second water inlet 205.
Specifically, the control unit is electrically connected to the reversing valve 6.
In this embodiment, the reversing valve 6 is a pneumatic reversing valve, the reversing valve 6 is electrically connected to the controller 4, and the direction of the flow of the compressed air is changed by controlling the on or off of the airflow channel by electromagnetic control so as to reverse the reversing valve 6, and meanwhile, the controller 4 can set a time node to control the reversing time of the reversing valve 6.
Specifically, the pipeline where the water outlet 206 is connected to the water tank 3 is provided with a back pressure valve 7, and in this embodiment, the back pressure valve 7 is used to regulate the pressure in the pipeline.
Specifically, the control unit is electrically connected to the back pressure valve 7, in this embodiment, the back pressure valve 7 is a pneumatic back pressure valve, and the back pressure valve 7 is electrically connected to the controller 4.
Specifically, the cleaning assembly 2 is provided with a pressure sensor 8 on a pipeline connected with the water pump 1, the pressure sensor 8 is electrically connected with the control unit, in this embodiment, the pressure sensor 8 is electrically connected with the controller 4, and is used for detecting internal pressure of the water pump 1 flowing out of the pipeline and feeding back to the controller 4, and the controller 4 makes corresponding adjustment according to a set program.
The working process of the membrane element cleaning device of this embodiment is as follows:
In the first stage, cleaning agent is filled in the water tank 3, the film element is rolled up and then is placed in the cavity of the main body 201, the first sealing cover 202 and the second sealing cover 203 are covered, the controller 4 controls the reversing valve 6 to be conducted to the first water inlet 204, then the water pump 1 is controlled to be started, the cleaning agent enters the cavity of the main body 201 from the first water inlet 204, pollutants on the film layer and the surface can be effectively flushed to the outer wall of the film element, then the cleaning agent flows back to the water tank 3 through the water outlet 206, in the process, the back pressure valve 7 is always kept in an open state, the pressure in the pipeline is detected by the pressure sensor 8 and then fed back to the controller 4, and when the pressure value fed back by the pressure sensor 8 exceeds a set value, the frequency of the frequency converter 5 is regulated by the controller 4 to control the rotating speed of the water pump 1, so that the pressure in the pipeline is always stable.
In the second stage, the controller 4 controls the reversing valve 6 to be switched on with the second water inlet 205, meanwhile, the back pressure valve 7 is closed, the controller 4 controls the frequency of the frequency converter 5 in a set range, the flow in the pipeline is ensured to be large enough, in the process, the pressure drop in the pipeline is almost avoided, the pressure of the inner side and the outer side of the membrane element is close, the cleaning agent rapidly enters the cavity in the main body 201 from the second water inlet 205, the outer wall of the membrane element is washed, the pollutants accumulated in the first stage are further washed, and the cleaning agent flows back to the water tank 3 through the water outlet 206 after washing.
Example 2:
This embodiment is similar to embodiment 1, except that in this embodiment, as shown in fig. 1, a filter 9 is provided between the cleaning assembly 2 and the water tank 3.
In this embodiment, the filter 9 is a bag filter, and is used for filtering contaminants in the cleaning agent to improve the utilization rate of the cleaning agent.
Example 3:
This embodiment is similar to embodiment 1, except that in this embodiment, as shown in fig. 1, a drain outlet is provided on the water tank 3, and a drain valve 10 for closing or opening the drain outlet is installed on the drain outlet.
In this embodiment, the drain valve 10 is used to drain the used cleaning agent from the water tank 3 in preparation for the next cleaning of the membrane element.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The utility model provides a membrane element belt cleaning device, its characterized in that, including water pump (1), cleaning module (2), water tank (3) and control unit, control unit with water pump (1) electricity is connected, be equipped with the cavity that supplies the membrane element to place in cleaning module (2), the one end of cleaning module (2) be equipped with first water inlet (204) that the cavity is linked together, the lateral wall of cleaning module (2) still be equipped with second water inlet (205) and delivery port (206) that the cavity is linked together, first water inlet (204) and second water inlet (205) respectively through the pipeline with the one end of water pump (1) is linked together, delivery port (206) through the pipeline with the one end of water tank (3) is linked together, the other end of water tank (3) through the pipeline with the other end of water pump (1) is linked together.
2. The membrane element cleaning device according to claim 1, wherein the cleaning assembly (2) comprises a main body (201), a first sealing cover (202) and a second sealing cover (203), the main body (201) is of a hollow cylinder structure, the cavity is formed in the main body (201), two ports communicated with the cavity are respectively formed at two ends of the main body (201), the first sealing cover (202) and the second sealing cover (203) are respectively covered on the two ports, the first water inlet (204) is formed on the first sealing cover (202), and the second water inlet (205) and the water outlet (206) are formed on the side wall of the main body (201).
3. A membrane element cleaning device according to claim 2, characterized in that the second water inlet (205) is arranged close to an end of the first water inlet (204), and the water outlet (206) is arranged away from an end of the first water inlet (204).
4. A membrane element cleaning device according to claim 3, characterized in that one end of the water pump (1) is connected with a reversing valve (6) through a pipe, and the first water inlet (204) and the second water inlet (205) are connected with one end of the reversing valve (6) through pipes, respectively.
5. A membrane element cleaning device according to claim 4, characterized in that the control unit is electrically connected to the reversing valve (6).
6. A membrane element cleaning device according to claim 3, characterized in that the conduit connecting the water outlet (206) with the water tank (3) is provided with a back pressure valve (7).
7. A membrane element cleaning device according to claim 6, characterized in that the control unit is electrically connected to the back pressure valve (7).
8. A membrane element cleaning device according to claim 1, characterized in that a pressure sensor (8) is arranged on a pipeline of the cleaning assembly (2) connected with the water pump (1), and the pressure sensor (8) is electrically connected with the control unit.
9. A membrane element cleaning device according to claim 1, characterized in that a filter (9) is provided in communication between the cleaning assembly (2) and the water tank (3).
10. A membrane element cleaning device according to claim 1, characterized in that the water tank (3) is provided with a drain outlet, and a drain valve (10) for closing or opening the drain outlet is arranged on the drain outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322836470.9U CN220992054U (en) | 2023-10-20 | 2023-10-20 | Membrane element belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322836470.9U CN220992054U (en) | 2023-10-20 | 2023-10-20 | Membrane element belt cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220992054U true CN220992054U (en) | 2024-05-24 |
Family
ID=91088060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322836470.9U Active CN220992054U (en) | 2023-10-20 | 2023-10-20 | Membrane element belt cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220992054U (en) |
-
2023
- 2023-10-20 CN CN202322836470.9U patent/CN220992054U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 633, Jinshan Avenue East Road, Guangzhou, Guangdong, Panyu District Patentee after: Guangzhou Automobile Group Co.,Ltd. Country or region after: China Address before: No. 633, Jinshan Avenue East Road, Guangzhou, Guangdong, Panyu District Patentee before: Guangzhou Automobile Passenger Car Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |