CN219730628U - Self-cleaning membrane filtration system - Google Patents
Self-cleaning membrane filtration system Download PDFInfo
- Publication number
- CN219730628U CN219730628U CN202321112211.5U CN202321112211U CN219730628U CN 219730628 U CN219730628 U CN 219730628U CN 202321112211 U CN202321112211 U CN 202321112211U CN 219730628 U CN219730628 U CN 219730628U
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- Prior art keywords
- membrane filtration
- water outlet
- pipeline
- outlet pipeline
- valve
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- 238000005374 membrane filtration Methods 0.000 title claims abstract description 37
- 238000004140 cleaning Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000011010 flushing procedure Methods 0.000 claims abstract description 34
- 239000012528 membrane Substances 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a self-cleaning membrane filtration system, which belongs to the technical field of membrane filtration equipment cleaning, and comprises a membrane filtration device, wherein the upper part of the right side wall of the membrane filtration device is connected with a water inlet pipeline, and the lower part of the right side wall of the membrane filtration device is connected with a water outlet pipeline; the water outlet pipeline is communicated with the top of the membrane filtering device through a back flushing water outlet pipeline, and the lower end of the membrane filtering device is connected with the back flushing water inlet pipeline; the crossed positions of the water outlet pipeline and the back flushing water outlet pipeline are communicated together through a reversing regulating valve; an air inlet pipeline is arranged at the lower part of the left side wall of the membrane filter device, and an air outlet pipeline is arranged at the upper part of the left side wall. The self-cleaning membrane filtration system has the advantages of simple structure, convenient valve operation, alternative operation of back flushing and forward flushing, high flushing strength and high efficiency.
Description
Technical Field
The utility model relates to the technical field of membrane filtration equipment cleaning, in particular to a self-cleaning membrane filtration system.
Background
The membrane filtration technology is a precise separation technology, can realize molecular-level filtration, and is a technology for separating by utilizing the selective permeability of membrane pores. After the filtering membrane is normally used for a period of time, the intercepted impurities can cause certain pollution to the filtering membrane, the performance of the filtering membrane is affected, so that the filtering membrane needs to be cleaned, however, after the membrane filtering equipment is disassembled, each membrane component in the filtering membrane is cleaned, so that the time is long, the cost is high, and the assembling process is complex. Based on the above, the utility model provides a self-cleaning membrane filtration system.
Disclosure of Invention
The object of the present utility model is to provide a self-cleaning membrane filtration system which solves the above mentioned problems.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a self-cleaning membrane filtration system, which comprises a membrane filtration device, wherein the upper part of the right side wall of the membrane filtration device is connected with a water inlet pipeline, and the lower part of the right side wall of the membrane filtration device is connected with a water outlet pipeline; the water outlet pipeline is communicated with the top of the membrane filtering device through a back flushing water outlet pipeline, and the lower end of the membrane filtering device is connected with a back flushing water inlet pipeline; the crossed positions of the water outlet pipeline and the back flushing water outlet pipeline are communicated together through a reversing regulating valve; an air inlet pipeline is arranged at the lower part of the left side wall of the membrane filter device, and an air outlet pipeline is arranged at the upper part of the left side wall.
Preferably, an air outlet communicated with the air outlet pipe line is arranged at the upper sealing position of the membrane filtering device.
Preferably, a water inlet valve is arranged on the water inlet pipeline, and a water outlet valve is arranged on the water outlet pipeline.
Preferably, a back flushing water inlet valve is arranged on the back flushing water inlet pipe line, and a back flushing water outlet valve is arranged on the back flushing water outlet pipe line.
Preferably, a flow regulating valve and an air inlet valve are arranged on the air inlet pipe; and an air outlet valve is arranged on the air outlet pipe line.
Preferably, the inlet line is connected to a compressed air production device.
Compared with the prior art, the utility model has the beneficial technical effects that:
the self-cleaning membrane filtration system fills water into the membrane filtration device through the back flush water inlet pipe, the water moves upwards from the bottom and finally flows out of the back flush water outlet pipe, and a back flush process is realized; water enters the membrane filter device from the water inlet pipeline and comes out from the water outlet pipeline, so that a positive flushing process is realized; in the back flushing process, compressed air can be filled into the membrane filter device, so that the flushing strength is improved, and the flushing time is shortened. In a word, the self-cleaning membrane filtration system has the advantages of simple structure, convenient valve operation, alternative operation of back flushing and forward flushing, high flushing strength and high efficiency.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a diagram of a self-cleaning membrane filtration system of the present utility model;
reference numerals illustrate: 1. a membrane filtration device; 2. a water inlet line; 3. a water outlet line; 4. a backwash water inlet pipeline; 5. an air intake line; 6. an air outlet line; 7. back flushing the water outlet pipeline; 8. a water inlet valve; 9. a water outlet valve; 10. backwashing water inlet valve; 11. an intake valve; 12. a flow regulating valve; 13. an air outlet valve; 14. backflushing the water valve; 15. and a reversing regulating valve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated; the meaning of "a plurality of", "a number" is two or more, unless expressly defined otherwise; the terms "upper," "lower," "front," "rear," "left," "right," and the like refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description, and do not necessarily indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
As shown in fig. 1, a self-cleaning membrane filtration system comprises a membrane filtration device 1, wherein the upper part of the right side wall of the membrane filtration device 1 is connected with a water inlet pipeline 2, and the lower part of the right side wall is connected with a water outlet pipeline 3. A water inlet valve 8 is arranged on the water inlet pipeline 2, and a water outlet valve 9 is arranged on the water outlet pipeline 3.
The water outlet pipeline 3 is communicated with the top of the membrane filtering device 1 through a back flushing water outlet pipeline 7, the crossed positions of the water outlet pipeline 3 and the back flushing water outlet pipeline 7 are communicated together through a reversing regulating valve 15, and the reversing regulating valve 15 can control water to flow out of the water outlet pipeline 3 or flow out of the back flushing water outlet pipeline 7. The lower end of the membrane filter device 1 is connected with a back flush water inlet pipeline 4, a back flush water inlet valve 10 is arranged on the back flush water inlet pipeline 4, and a back flush water outlet valve 14 is arranged on the back flush water outlet pipeline 7.
An air inlet pipeline 5 is arranged at the lower position of the left side wall of the membrane filter device 1, and an air outlet pipeline 6 is arranged at the upper position of the left side wall. An air outlet communicated with the air outlet pipe line 6 is arranged at the upper sealing position of the membrane filtering device 1, and the air inlet pipe line 5 is connected with a compressed air production device. The air inlet pipeline 5 is provided with a flow regulating valve 12 and an air inlet valve 11, and the air outlet pipeline 6 is provided with an air outlet valve 13.
The operation process of the utility model is as follows:
back flushing:
closing the water inlet valve 8 and the water outlet valve 9, opening the back flushing water inlet valve 10, closing the back flushing water outlet valve 14, closing the back flushing water inlet valve 10 after a certain amount of water exists in the membrane filtration device 1, opening the air inlet valve 11, feeding compressed air into the membrane filtration device 1 from the bottom, adjusting the air supply amount according to the flow regulating valve 12, and blowing the filter layer in the membrane filtration device by the compressed air so as to finally discharge the air from the air outlet valve 13; then, the back flushing water inlet valve 10 is opened, water enters from the bottom, when the air outlet valve 13 overflows outwards, the air outlet valve 13 is closed, the back flushing water outlet valve 14 and the reversing regulating valve 15 are opened, water is discharged from the upper part, after a period of flushing, the air inlet valve 11 is closed, back flushing is continued for a period of time, and the cleaning process is completed until clear water flows out.
Forward washing:
the water inlet valve 8 and the water outlet valve 9 are opened, and the reversing regulating valve 15 is regulated so that water comes out from the water outlet pipeline 3, and after a period of flushing, the cleaning process of the membrane filtration device 1 is completed until the water outlet is transparent.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. A self-cleaning membrane filtration system, characterized by: the membrane filtration device (1) is included, the upper part of the right side wall of the membrane filtration device (1) is connected with a water inlet pipeline (2), and the lower part of the right side wall is connected with a water outlet pipeline (3); the water outlet pipeline (3) is communicated with the top of the membrane filtering device (1) through a backwash water outlet pipeline (7), and the lower end of the membrane filtering device (1) is connected with a backwash water inlet pipeline (4); the crossed positions of the water outlet pipeline (3) and the back flushing water outlet pipeline (7) are communicated together through a reversing regulating valve (15); an air inlet pipeline (5) is arranged at the lower part of the left side wall of the membrane filter device (1), and an air outlet pipeline (6) is arranged at the upper part of the left side wall.
2. A self-cleaning membrane filtration system according to claim 1, wherein: an air outlet communicated with the air outlet pipe line (6) is arranged at the upper sealing position of the membrane filtering device (1).
3. A self-cleaning membrane filtration system according to claim 1, wherein: the water inlet valve (8) is arranged on the water inlet pipeline (2), and the water outlet valve (9) is arranged on the water outlet pipeline (3).
4. A self-cleaning membrane filtration system according to claim 1, wherein: a backwash water inlet valve (10) is arranged on the backwash water inlet pipeline (4), and a backwash water outlet valve (14) is arranged on the backwash water outlet pipeline (7).
5. A self-cleaning membrane filtration system according to claim 1, wherein: the air inlet pipeline (5) is provided with a flow regulating valve (12) and an air inlet valve (11); an air outlet valve (13) is arranged on the air outlet pipe line (6).
6. A self-cleaning membrane filtration system according to claim 1, wherein: the air inlet line (5) is connected with a compressed air production device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112211.5U CN219730628U (en) | 2023-05-10 | 2023-05-10 | Self-cleaning membrane filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112211.5U CN219730628U (en) | 2023-05-10 | 2023-05-10 | Self-cleaning membrane filtration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219730628U true CN219730628U (en) | 2023-09-22 |
Family
ID=88060237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321112211.5U Active CN219730628U (en) | 2023-05-10 | 2023-05-10 | Self-cleaning membrane filtration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219730628U (en) |
-
2023
- 2023-05-10 CN CN202321112211.5U patent/CN219730628U/en active Active
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