CN114082304A - Full-automatic reverse osmosis membrane cleaning equipment - Google Patents
Full-automatic reverse osmosis membrane cleaning equipment Download PDFInfo
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- CN114082304A CN114082304A CN202111503879.8A CN202111503879A CN114082304A CN 114082304 A CN114082304 A CN 114082304A CN 202111503879 A CN202111503879 A CN 202111503879A CN 114082304 A CN114082304 A CN 114082304A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
Abstract
The invention discloses full-automatic reverse osmosis membrane cleaning equipment, and mainly relates to the technical field of reverse osmosis membrane element cleaning. Comprises a cleaning box, a cleaning pump, a dosing device and a cleaning security filter; the cleaning box is connected with a cleaning pump through a liquid outlet pipeline, the dosing device is arranged on a liquid conveying pipeline connected with the liquid outlet end of the cleaning pump, and the cleaning pump is connected with a cleaning security filter through a liquid conveying pipeline; the cleaning security filter is connected with a liquid inlet of a pressure container where the reverse osmosis membrane is located through a cleaning liquid inlet pipeline, and a liquid outlet of the pressure container is communicated with the cleaning box through a cleaning return pipeline. The invention has the beneficial effects that: the device can clean a plurality of pressure containers at one time, and after the acid-base concentration of the cleaning fluid is reduced after cleaning, the acid-base concentration of the cleaning fluid can be conveniently supplemented and recovered, the cleaning fluid does not need to be replaced, the device can realize full-automatic bidirectional cleaning, and the cleaning efficiency and the cleaning quality are greatly improved; has better effect of filtering and removing impurities.
Description
Technical Field
The invention relates to the technical field of reverse osmosis membrane element cleaning, in particular to full-automatic reverse osmosis membrane cleaning equipment.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
After a period of normal operation, the reverse osmosis membrane element is contaminated with suspended or poorly soluble substances that may be present in the feed water, most commonly calcium carbonate scale, calcium sulfate scale, metal oxide scale, silicon deposits, and organic or biological deposits. Removal of contaminants needs to be accomplished by chemical cleaning and physical rinsing. The number of the pressure containers on the reverse osmosis membrane frame is large, a single pressure container is formed by installing a plurality of reverse osmosis membranes in series (generally 6-7), most of the existing cleaning equipment is manually operated, the running condition of the system needs to be mastered, and the requirement on operators is high. The existing cleaning equipment cleans 1-2 membranes at a time, and the cleaning efficiency is low. And the existing cleaning equipment can only clean in the forward direction, and the cleaning efficiency and the cleaning effect are not good.
The existing circulating cleaning equipment only carries out sedimentation, filtration and impurity removal in the cleaning box, and the filtering effect is poor; and wash back washing liquid acid-base concentration decline and only can change the washing liquid, the process of changing the washing liquid wastes time and energy and need subside impurity clearance to wasing the case when changing, wastes time and energy more. And the concentration of the cleaning liquid in the whole cleaning device and the dirt mixed in the cleaning liquid can not be effectively known, and the cleaning can not be carried out in a full-automatic and intelligent manner.
Disclosure of Invention
The invention aims to provide full-automatic reverse osmosis membrane cleaning equipment, wherein a single pressure container is formed by connecting a plurality of reverse osmosis membranes in series, the pressure container can be cleaned at one time, and after the acid-base concentration of a cleaning solution is reduced after cleaning, the acid-base concentration of the cleaning solution can be conveniently supplemented and recovered without replacing and replacing the cleaning solution; has better effect of filtering and removing impurities.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a full-automatic reverse osmosis membrane cleaning device comprises a cleaning box, a cleaning pump, a dosing device and a cleaning security filter; the cleaning box is connected with a cleaning pump through a liquid outlet pipeline, the dosing device is arranged on a liquid conveying pipeline connected with the liquid outlet end of the cleaning pump, and the cleaning pump is connected with a cleaning security filter through a liquid conveying pipeline; the cleaning security filter is connected with a liquid inlet of a pressure container where the reverse osmosis membrane is located through a cleaning liquid inlet pipeline, and a liquid outlet of the pressure container is communicated with the cleaning box through a cleaning return pipeline.
And a liquid outlet electromagnetic valve is arranged on a liquid outlet pipeline between the cleaning box and the cleaning pump.
And a first pH meter is arranged on a cleaning liquid inlet pipeline at the rear end of the cleaning cartridge filter.
The cleaning cartridge filter is characterized in that a first electric control valve is arranged at the front end of the cleaning cartridge filter, a mixing loop pipeline is arranged on a liquid conveying pipeline between the dosing device and the first electric control valve, and a second electric control valve is arranged on the mixing loop pipeline.
And a second pH meter is arranged on the mixing loop pipeline.
The cleaning safety filter is characterized in that a first pressure gauge is arranged on the pipeline at the input end of the cleaning safety filter, a second pressure gauge is arranged on the pipeline at the output end of the cleaning safety filter, and the second pressure gauge is arranged on the pipeline at the front end of the liquid inlet of the pressure container.
And a third pressure gauge is arranged on the cleaning return pipeline at the rear end of the liquid outlet of the pressure container.
A flow shunting adjusting loop is arranged between the liquid inlet end and the liquid outlet end of the cleaning pump, and an electromagnetic flow control valve is arranged on the flow shunting adjusting loop.
The cleaning box comprises an acid cleaning box and an alkali cleaning box, and the cleaning return pipeline comprises an acid liquor return pipeline and an alkali liquor return pipeline; the front ends of the acid liquor return pipeline and the alkali liquor return pipeline are respectively provided with a return electromagnetic valve which is an acid liquor electromagnetic return valve and an alkali liquor electromagnetic return valve; a liquid outlet electromagnetic valve, namely an acid liquid electromagnetic liquid outlet valve and an alkali liquid electromagnetic liquid outlet valve, is independently arranged on a liquid outlet pipeline communicated with the acid cleaning box and the alkali cleaning box; the mixed loop pipeline is shunted at one side close to the cleaning box, an acid liquor electromagnetic shunt valve and an alkali liquor electromagnetic shunt valve are respectively arranged on a shunt branch, the acid liquor electromagnetic shunt valve is communicated with the acid cleaning box, and the alkali liquor electromagnetic shunt valve is communicated with the alkali cleaning box.
A plurality of the pressure vessels are arranged in parallel; a first branch liquid inlet pipe and a second branch liquid inlet pipe are arranged at the tail end of the cleaning liquid inlet pipeline, a forward liquid inlet valve is arranged on the first branch liquid inlet pipe, and a reverse liquid inlet valve is arranged on the second branch liquid inlet pipe; the cleaning return line is characterized in that a first branch liquid outlet pipe and a second branch liquid outlet pipe are arranged at the front end of the cleaning return line, a forward liquid outlet valve is arranged on the first branch liquid outlet pipe, and a reverse liquid outlet valve is arranged on the second branch liquid outlet pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the single pressure vessel is formed by connecting a plurality of reverse osmosis membranes in series, and the device can be connected with a plurality of pressure vessels in parallel, so that the plurality of pressure vessels can be cleaned at one time. And wash the back washing liquid acid-base concentration and descend, can carry out high concentration washing liquid through charge device and supply, then dilute after mixing with original low concentration washing liquid in the washing pipeline, become the washing liquid of regulation concentration, through the convenient supplementary acid-base concentration that resumes of washing liquid of this kind of mode, need not to change the washing liquid, miscellaneous dirt filters through wasing safety filter and filters, the dirt only need after full only clear up wash safety filter can, it is better to wash safety filter effect to possess better filtration edulcoration dirt effect. Moreover, the equipment can realize full-automatic bidirectional cleaning, and can clean the reverse osmosis membrane in the pressure container more thoroughly without residue. The cleaning efficiency and the cleaning quality are greatly improved by using the equipment.
2. This equipment still is equipped with the hybrid loop pipeline, can seal the homogeneous mixing between hybrid loop pipeline and washing case to the high concentration washing liquid of replenishment, and the reuse is used for wasing when treating that the second pH meter is gone up to show that the pH value is stable and safety range. Therefore, the pressure vessel and the reverse osmosis membrane equipment inside the pressure vessel can be prevented from being corroded due to overhigh acid-base concentration of the cleaning solution.
3. The device can judge the blockage condition of the cleaning cartridge filter from the pressure difference between the first pressure gauge and the second pressure gauge, if the pressure difference is very small, the circulation of the cleaning cartridge filter is very good, and serious blockage does not occur, and if the pressure difference is very large, the circulation of the cleaning cartridge filter is very poor, and blockage occurs, at the moment, the cleaning cartridge filter is required to be cleaned by cleaning impurities, discharging and cleaning.
4. This device can follow the pressure differential between second manometer and the third manometer and judge pressure vessel's washing situation, if pressure differential is very little to indicate that pressure vessel circulation is fine, no longer blocks up, washs pressure vessel abluent comparatively thoroughly, if pressure differential is great to indicate that pressure vessel's circulation is very poor, still has the dirt to block up, and the washing situation still needs further washing, and is very little until the pressure differential between second manometer and the third manometer.
5. The different pressure vessel quantity of wasing, the required washing liquid flow of washing return circuit is different, promptly: when the 6 normal pressure vessels are washed simultaneously, the flow rate is not problematic. If only 1-2 pressure vessels are washed, the flow rate is only 1/6-2/6. For the variable frequency pump, the pump adjustment is difficult, and a part of the pumped cleaning liquid is required to be circulated and returned to the pump inlet, so that the flow of the cleaning liquid flowing to the pressure container is adjusted.
Drawings
FIG. 1 is a schematic diagram of a purge line of the present invention.
FIG. 2 is a schematic diagram of a cleaning line for forward cleaning in the present invention.
FIG. 3 is a schematic diagram of a cleaning line for reverse cleaning in the present invention.
Reference numerals shown in the drawings:
1. a cleaning tank; 2. cleaning the pump; 3. a dosing device; 4. cleaning the security filter; 5. a pressure vessel; 6. cleaning a liquid inlet pipeline; 7. cleaning a return pipeline; 8. a liquid outlet electromagnetic valve; 9. a first pH meter; 10. a first electrically controlled valve; 11. a mixing loop conduit; 12. a second electrically controlled valve; 13. a second pH meter; 14. a first pressure gauge; 15. a second pressure gauge; 16. a third pressure gauge; 17. a flow diversion regulation loop; 18. an electromagnetic flow control valve; 19. an acid cleaning tank; 20. an alkaline cleaning tank; 21. an acid liquor return line; 22. an alkali liquor return line; 23. a return solenoid valve; 24. an acid liquor electromagnetic reflux valve; 25. an alkali liquor electromagnetic reflux valve; 26. an acid liquor electromagnetic liquid outlet valve; 27. an alkali liquor electromagnetic liquid outlet valve; 28. a shunt branch; 29. an acid liquor electromagnetic shunt valve; 30. an alkali liquor electromagnetic flow divider valve; 31. a first sidestream feed; 32. a second branch liquid inlet pipe; 33. a forward liquid inlet valve; 34. a reverse liquid inlet valve; 35. a first branch liquid outlet pipe; 36. a second branch liquid outlet pipe; 37. a positive liquid outlet valve; 38. a reverse liquid outlet valve; 39. an electric heater; 40. a thermometer; 41. a liquid level meter; 42. alkali liquor dosing equipment; 43. acid liquor dosing equipment; 44. a waste discharge pipe; 45. waste discharge electromagnetic valve.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to full-automatic reverse osmosis membrane cleaning equipment, which comprises a main structure, a cleaning box, a cleaning pump, a dosing device and a cleaning security filter, wherein the cleaning box 1, the cleaning pump 2, the dosing device 3 and the cleaning security filter 4 are arranged on the main structure; the cleaning box 1 comprises an acid cleaning box 19 and an alkali cleaning box 20, and liquid outlet electromagnetic valves 8, namely an acid liquid electromagnetic liquid outlet valve 26 and an alkali liquid electromagnetic liquid outlet valve 27, are independently arranged on liquid outlet pipelines communicated with the acid cleaning box 19 and the alkali cleaning box 20; the cleaning box 1 is connected with a cleaning pump 2 through a liquid outlet pipeline, liquid outlet of the acid cleaning box 19 and liquid outlet of the alkali cleaning box 20 are respectively controlled through an acid liquid electromagnetic liquid outlet valve 26 and an alkali liquid electromagnetic liquid outlet valve 27, and liquid flows to the cleaning pump 2. The cleaning pump 2 adopts a variable frequency cleaning pump 2. And an electric heater 39 and a thermometer 40 are arranged in the cleaning box 1, the thermometer 40 displays the temperature value of the cleaning liquid, and the electric heater 39 is used for heating the cleaning liquid to a proper cleaning temperature. The cleaning tank 1 is also provided with a liquid level meter 41 for measuring the liquid level in the cleaning tank 1.
The dosing device 3 is arranged on a liquid conveying pipeline connected with the liquid outlet end of the cleaning pump 2, and the dosing device 3 is also divided into an alkali liquid dosing device 42 and an acid liquid dosing device 43 which are respectively used for supplementing high-concentration alkali cleaning liquid and acid cleaning liquid.
The cleaning pump 2 is connected with a cleaning safety filter 4 through a liquid conveying pipeline; the dirty formed after chemical cleaning flows along with the cleaning liquid, the clean security filter 4 is used for filtering at the clean security filter 4, the dirty is filtered into the clean security filter 4, the clean security filter 4 is communicated with the liquid inlet of the pressure vessel 5 where the reverse osmosis membrane is located through the clean liquid inlet pipeline 6, and the cleaning liquid smoothly flows through the clean security filter 4 to circularly clean the reverse osmosis membrane in the pressure vessel 5. And a liquid outlet of the pressure container 5 is communicated with the cleaning tank 1 through a cleaning return pipeline 7. After the reverse osmosis membrane in the pressure vessel 5 is cleaned, the cleaning liquid flows to the cleaning tank 1 through the cleaning return line 7.
And a first pH meter 9 is arranged on a cleaning liquid inlet pipeline 6 at the rear end of the cleaning cartridge filter 4. The first pH meter 9 is used for measuring the concentration pH of the circulating cleaning liquid in real time, and when the concentration is low to the lowest value, an alarm is given to indicate that the cleaning liquid needs to be supplemented to improve the concentration, so that the high-concentration cleaning liquid is supplemented through the dosing device 3.
The cleaning cartridge filter 4 is characterized in that a first electric control valve 10 is arranged at the front end of the cleaning cartridge filter 4, a mixing loop pipeline 11 is arranged on a transfusion pipeline between the dosing device 3 and the first electric control valve 10, and a second electric control valve 12 is arranged on the mixing loop pipeline 11. The mixed loop pipeline 11 is branched at one side close to the cleaning tank 1, an acid liquor electromagnetic branch valve 29 and an alkali liquor electromagnetic branch valve 30 are respectively arranged on the branch 28, the acid liquor electromagnetic branch valve 29 is communicated with the acid cleaning tank 19, and the alkali liquor electromagnetic branch valve 30 is communicated with the alkali cleaning tank 20. When high-concentration cleaning liquid is supplemented, the first electric control valve 10 is closed, the second electric control valve 12 and the acid liquid electromagnetic flow dividing valve 29 are opened (when alkaline liquid is supplemented, the alkaline liquid electromagnetic flow dividing valve 30 is opened), the supplemented high-concentration cleaning liquid can be sealed between the mixing loop pipeline 11 and the cleaning box 1 to be uniformly mixed under the driving of the cleaning pump 2, the second pH meter 13 is arranged on the mixing loop pipeline 11, and when the pH value displayed on the second pH meter 13 is stable and in a safe range, the uniform mixing is indicated to be used for cleaning. The acid-base concentration of the cleaning solution can be conveniently supplemented and recovered by the method, and the cleaning solution does not need to be replaced. Therefore, the pressure vessel 5 and the reverse osmosis membrane equipment inside the pressure vessel can be prevented from being corroded due to overhigh acid-base concentration of the cleaning solution. After the uniform mixing is performed, the second electric control valve 12 is closed, and the first electric control valve 10 is opened for cleaning the reverse osmosis membrane in the pressure container 5.
The pipeline at the input end of the cleaning security filter 4 is provided with a first pressure gauge 14, the pipeline at the output end of the cleaning security filter 4 is provided with a second pressure gauge 15, and the second pressure gauge 15 is arranged at the pipeline at the front end of the liquid inlet of the pressure container 5. The device can judge the blockage condition of the cleaning security filter 4 from the pressure difference between the first pressure gauge 14 and the second pressure gauge 15, if the pressure difference is very small, the circulation of the cleaning security filter 4 is good, serious blockage does not occur, if the pressure difference is large, the circulation of the cleaning security filter 4 is very poor, blockage occurs, and then the cleaning security filter 4 is cleaned by cleaning impurities, discharging and cleaning.
And a third pressure gauge 16 is arranged on the cleaning return pipeline 7 at the rear end of the liquid outlet of the pressure container 5. The device can judge the cleaning condition of the pressure container 5 from the pressure difference between the second pressure gauge 15 and the third pressure gauge 16, if the pressure difference is very small, the circulation of the pressure container 5 is very good, the blockage is avoided, the pressure container 5 is cleaned thoroughly, if the pressure difference is very large, the circulation of the pressure container 5 is very poor, the dirt blockage still exists, and the cleaning condition needs to be further cleaned until the pressure difference between the second pressure gauge 15 and the third pressure gauge 16 is very small.
A flow diversion adjusting loop 17 is arranged between the liquid inlet end and the liquid outlet end of the cleaning pump 2, and an electromagnetic flow control valve 18 is arranged on the flow diversion adjusting loop 17. The number of pressure vessels 5 to be cleaned is different, and the flow of cleaning liquid required by the cleaning loop is different, namely: when 6 normal pressure vessels 5 are washed simultaneously, the flow rate is not problematic. If only 1-2 pressure vessels 5 are washed, the flow rate is only 1/6-2/6. For the variable frequency pump, the adjustment through the pump is difficult, a part of the cleaning liquid to be pumped circulates to the inlet of the pump, after the electromagnetic flow control valve 18 is opened, a part of the cleaning liquid to be pumped circulates to the inlet of the pump through the flow shunting adjusting loop 17, and therefore the flow of the cleaning liquid flowing to the pressure container 5 is adjusted.
The cleaning return pipeline 7 comprises an acid liquor return pipeline 21 and an alkali liquor return pipeline 22; the front ends of the acid liquor return pipeline 21 and the alkali liquor return pipeline 22 are respectively provided with a return electromagnetic valve 23 which is an acid liquor electromagnetic return valve 24 and an alkali liquor electromagnetic return valve 25; when the cleaning liquid flows back to the acid cleaning tank 19, the acid liquid electromagnetic reflux valve 24 is opened, the alkali liquid electromagnetic reflux valve 25 is closed, and when the cleaning liquid flows back to the alkali cleaning tank 20, the alkali liquid electromagnetic reflux valve 25 is opened, and the acid liquid electromagnetic reflux valve 24 is closed.
A plurality of the pressure vessels 5 are arranged in parallel; a first branch liquid inlet pipe 31 and a second branch liquid inlet pipe 32 are arranged at the tail end of the cleaning liquid inlet pipeline 6, a forward liquid inlet valve 33 is arranged on the first branch liquid inlet pipe 31, and a reverse liquid inlet valve 34 is arranged on the second branch liquid inlet pipe 32; the front end of the cleaning return pipeline 7 is provided with a first branch effluent pipe 35 and a second branch effluent pipe 36, the first branch effluent pipe 35 is provided with a forward effluent valve 37, and the second branch effluent pipe 36 is provided with a reverse effluent valve 38. As shown in fig. 2 of the accompanying drawings of the specification, during forward cleaning, the forward liquid inlet valve 33 on the first branch liquid inlet pipe 31 is opened, the first branch liquid inlet pipe 31 is filled with liquid, the reverse liquid inlet valve 34 on the second branch liquid inlet pipe 32 is closed, the forward liquid outlet valve 37 on the first branch liquid outlet pipe 35 is opened, the first branch liquid outlet pipe 35 is discharged to the cleaning return pipe 7 and flows into the cleaning tank 1, the reverse liquid outlet valve 38 on the second branch liquid outlet pipe 36 is closed, and the second branch liquid outlet pipe 36 is closed and does not flow. As shown in fig. 3 of the accompanying drawings of the specification, during reverse cleaning, the reverse liquid inlet valve 34 on the second branch liquid inlet pipe 32 is opened, the second branch liquid inlet pipe 32 is filled with liquid, the forward liquid inlet valve 33 on the first branch liquid inlet pipe 31 is closed, the reverse liquid outlet valve 38 on the second branch liquid outlet pipe 36 is opened, the second branch liquid outlet pipe 36 is discharged to the cleaning return pipeline 7 and flows into the cleaning box 1, the forward liquid outlet valve 37 on the first branch liquid outlet pipe 35 is closed, and the first branch liquid outlet pipe 35 is closed and does not flow. Through the forward cleaning shown in the attached figure 2 of the specification and the reverse cleaning shown in the attached figure 3 of the specification, the full-automatic bidirectional cleaning can be realized, and the reverse osmosis membrane in the pressure vessel 5 can be cleaned more thoroughly without residue. The cleaning efficiency and the cleaning quality are greatly improved by using the equipment.
In addition, the device is provided with a waste discharge pipe 44 at the liquid outlet of the cleaning return pipeline 7 and the pressure container 5, and a waste discharge electromagnetic valve 45 is arranged on the waste discharge pipe 44 and used for discharging waste cleaning liquid.
In summary, the following steps:
the single pressure vessel 5 is formed by installing a plurality of reverse osmosis membranes in series, and the device can be connected with a plurality of pressure vessels 5 in parallel, so that the plurality of pressure vessels 5 can be cleaned at one time. And wash the back washing liquid acid-base concentration and descend, can carry out the replenishment of high concentration washing liquid through charge device 3, then dilute after mixing with original low concentration washing liquid in the washing pipeline, become the washing liquid of regulation concentration, through the convenient replenishment of this kind of mode resume washing liquid acid-base concentration, need not to change the washing liquid, miscellaneous dirt filters 4 through wasing cartridge filter, the dirt only need after full the clearance wash cartridge filter 4 can, it is better to wash cartridge filter 4 filter effect, thereby possess better filtration miscellaneous dirty effect of filtration. Moreover, the equipment can realize full-automatic bidirectional cleaning, and can clean the reverse osmosis membrane in the pressure container 5 more thoroughly without residue. The cleaning efficiency and the cleaning quality are greatly improved by using the equipment.
Claims (10)
1. The utility model provides a full-automatic reverse osmosis membrane cleaning equipment which characterized in that: comprises a cleaning box (1), a cleaning pump (2), a dosing device (3) and a cleaning security filter (4);
the cleaning box (1) is connected with a cleaning pump (2) through a liquid outlet pipeline, the dosing device (3) is arranged on a liquid conveying pipeline connected with the liquid outlet end of the cleaning pump (2), and the cleaning pump (2) is connected with a cleaning security filter (4) through a liquid conveying pipeline;
the cleaning security filter (4) is communicated with a liquid inlet of a pressure container (5) where the reverse osmosis membrane is located through a cleaning liquid inlet pipeline (6), and the liquid outlet of the pressure container (5) is communicated with the cleaning box (1) through a cleaning return pipeline (7).
2. The full-automatic reverse osmosis membrane cleaning equipment according to claim 1, characterized in that: a liquid outlet electromagnetic valve (8) is arranged on a liquid outlet pipeline between the cleaning box (1) and the cleaning pump (2).
3. The full-automatic reverse osmosis membrane cleaning equipment according to claim 1, characterized in that: and a first pH meter (9) is arranged on a cleaning liquid inlet pipeline (6) at the rear end of the cleaning cartridge filter (4).
4. The full-automatic reverse osmosis membrane cleaning equipment according to claim 3, characterized in that: wash cartridge filter (4) front end and be equipped with first automatically controlled valve (10), be equipped with mixing circuit pipeline (11) on the infusion pipeline between charge device (3) and first automatically controlled valve (10), be equipped with second automatically controlled valve (12) on mixing circuit pipeline (11).
5. The full-automatic reverse osmosis membrane cleaning equipment according to claim 4, characterized in that: and a second pH meter (13) is arranged on the mixing loop pipeline (11).
6. The full-automatic reverse osmosis membrane cleaning equipment according to claim 5, characterized in that: the cleaning device is characterized in that a first pressure gauge (14) is arranged on an input end pipeline of the cleaning security filter (4), a second pressure gauge (15) is arranged on an output end pipeline of the cleaning security filter (4), and the second pressure gauge (15) is arranged on a front end pipeline of a liquid inlet of the pressure container (5).
7. The full-automatic reverse osmosis membrane cleaning equipment according to claim 6, characterized in that: and a third pressure gauge (16) is arranged on the cleaning return pipeline (7) at the rear end of the liquid outlet of the pressure container (5).
8. The full-automatic reverse osmosis membrane cleaning equipment according to any one of claims 1-7, characterized in that: a flow shunting adjusting loop (17) is arranged between the liquid inlet end and the liquid outlet end of the cleaning pump (2), and an electromagnetic flow control valve (18) is arranged on the flow shunting adjusting loop (17).
9. The full-automatic reverse osmosis membrane cleaning equipment according to claim 8, characterized in that: the cleaning tank (1) comprises an acid cleaning tank (19) and an alkali cleaning tank (20), and the cleaning return pipeline (7) comprises an acid liquor return pipeline (21) and an alkali liquor return pipeline (22); the front ends of the acid liquor return pipeline (21) and the alkali liquor return pipeline (22) are respectively provided with a return electromagnetic valve (23) which is an acid liquor electromagnetic return valve (24) and an alkali liquor electromagnetic return valve (25);
a liquid outlet electromagnetic valve (8), namely an acid liquid electromagnetic liquid outlet valve (26) and an alkali liquid electromagnetic liquid outlet valve (27), is independently arranged on a liquid outlet pipeline communicated with the acid cleaning box (19) and the alkali cleaning box (20);
the mixed loop pipeline (11) is shunted at one side close to the cleaning box (1), an acid liquor electromagnetic shunt valve (29) and an alkali liquor electromagnetic shunt valve (30) are respectively arranged on a shunt branch (28), the acid liquor electromagnetic shunt valve (29) is communicated with the acid cleaning box (19), and the alkali liquor electromagnetic shunt valve (30) is communicated with the alkali cleaning box (20).
10. The full-automatic reverse osmosis membrane cleaning equipment according to claim 9, characterized in that:
a plurality of the pressure vessels (5) are arranged in parallel;
a first branch liquid inlet pipe (31) and a second branch liquid inlet pipe (32) are arranged at the tail end of the cleaning liquid inlet pipeline (6), a forward liquid inlet valve (33) is arranged on the first branch liquid inlet pipe (31), and a reverse liquid inlet valve (34) is arranged on the second branch liquid inlet pipe (32);
wash return line (7) front end and be equipped with first tributary drain pipe (35) and second tributary drain pipe (36), be equipped with forward drain valve (37) on first tributary drain pipe (35), be equipped with reverse drain valve (38) on second tributary drain pipe (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111503879.8A CN114082304A (en) | 2021-12-09 | 2021-12-09 | Full-automatic reverse osmosis membrane cleaning equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111503879.8A CN114082304A (en) | 2021-12-09 | 2021-12-09 | Full-automatic reverse osmosis membrane cleaning equipment |
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| CN202111503879.8A Pending CN114082304A (en) | 2021-12-09 | 2021-12-09 | Full-automatic reverse osmosis membrane cleaning equipment |
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| CN209020210U (en) * | 2018-10-27 | 2019-06-25 | 南京丹恒科技有限公司 | It is a kind of can reverse cleaning tubular membrane off-line cleaning device |
| CN110554147A (en) * | 2019-09-10 | 2019-12-10 | 上海丰信环保科技有限公司 | method for comparing cleaning effect of cleaning agent on unknown scale sample in reverse osmosis system |
| CN113041844A (en) * | 2021-04-29 | 2021-06-29 | 西安热工研究院有限公司 | Reverse osmosis automatic cleaning device and method |
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2021
- 2021-12-09 CN CN202111503879.8A patent/CN114082304A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085455A (en) * | 2010-12-22 | 2011-06-08 | 四川大学 | Chemical cleaning and chemical repairing method and system for waste reverse osmosis membrane |
| US20140360937A1 (en) * | 2011-12-19 | 2014-12-11 | Hitachi, Ltd. | Reverse osmosis treatment device and method for cleaning reverse osmosis treatment device |
| CN204034573U (en) * | 2014-09-16 | 2014-12-24 | 国家电网公司 | A kind of multifunctional reverse osmosis membrane cleans testing integrated machine |
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| CN209020210U (en) * | 2018-10-27 | 2019-06-25 | 南京丹恒科技有限公司 | It is a kind of can reverse cleaning tubular membrane off-line cleaning device |
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