CN111362443A - Reverse osmosis system capable of continuously running and continuously and chemically cleaning - Google Patents
Reverse osmosis system capable of continuously running and continuously and chemically cleaning Download PDFInfo
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- CN111362443A CN111362443A CN202010307118.4A CN202010307118A CN111362443A CN 111362443 A CN111362443 A CN 111362443A CN 202010307118 A CN202010307118 A CN 202010307118A CN 111362443 A CN111362443 A CN 111362443A
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- reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Abstract
The invention discloses a continuously-operated and continuously-chemical-cleaned reverse osmosis system, which comprises a purification system and a cleaning system, wherein the purification system comprises at least two groups of reverse osmosis components which are arranged in parallel, the cleaning system comprises a plurality of branch cleaning components which are arranged in parallel, the branch cleaning components and the reverse osmosis components are arranged in a one-to-one correspondence manner, at least two reverse osmosis components of the reverse osmosis system are arranged in parallel, when part of the reverse osmosis components are polluted, the reverse osmosis components can be seamlessly switched to other reverse osmosis components to purify and produce water, and the polluted reverse osmosis components can be cleaned at the moment, so that the purification system can continuously output purified water, and the water demand of production enterprises is met. Because the pollutants on the surface of the reverse osmosis can be regularly washed, the system can not be shut down, the operation of the whole system is not influenced, the chemical cleaning period of the reverse osmosis is prolonged, the chemical cleaning frequency of the reverse osmosis is reduced, and the service life of a membrane element in the reverse osmosis system is prolonged.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a reverse osmosis system which continuously operates and is continuously cleaned chemically.
Background
The reverse osmosis system is a separation process that a selective permeation membrane is used as a separation medium, and when driving force exists on two sides of the membrane, components of raw materials can permeate the selective membrane to separate, purify and concentrate treated stock solution. The reverse osmosis membrane has very small membrane pore size, so that dissolved salts, bacteria, colloid, microorganisms, organic matters and the like in water can be effectively removed. After the reverse osmosis system normally operates for a period of time, the reverse osmosis membrane element can receive the pollution of suspended substances or indissoluble substances existing in the feed water, so that the membrane performance is reduced, at the moment, the reverse osmosis system needs to be physically washed or chemically cleaned to recover the performance of the membrane element, but in the actual cleaning process, the production work of enterprises can not be continuously carried out due to frequent cleaning, and the production progress of the enterprises is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the reverse osmosis system which is continuously operated and is continuously and chemically cleaned, can regularly flush pollutants on the surface of the reverse osmosis system, does not cause system halt, and can continuously output water to a production enterprise.
The invention provides a reverse osmosis system which continuously operates and is continuously cleaned chemically, comprising a purification system and a cleaning system; the purification system comprises a raw water tank, a first booster pump, a cartridge filter, a high-pressure pump and at least two groups of reverse osmosis components which are arranged in parallel and are sequentially connected through pipelines, each group of reverse osmosis components comprises a reverse osmosis membrane stack, each reverse osmosis membrane stack is provided with a liquid inlet pipe, a concentrated water discharge pipe and a purified water discharge pipe, the liquid inlet pipe is provided with a first control valve, and the purified water discharge pipe is provided with a second control valve;
the cleaning system includes that the branch washs the subassembly including chemical cleaning liquid case, second booster pump, washing liquid filter and a plurality of branch that connect gradually through the pipeline, and is a plurality of the branch washs the subassembly and sets up side by side and with reverse osmosis module one-to-one, the branch washs the subassembly including wasing the branch pipe and wasing the product water wet return, wash the play liquid end of branch pipe and the feed liquor pipe intercommunication of reverse osmosis membrane heap, and wash the intercommunication point that divides pipe and feed liquor pipe to be located between the play liquid end and the first control valve of feed liquor pipe, it is equipped with the washing control valve to wash the branch pipe facial make-up, the feed liquor end and the water purification drain pipe intercommunication of wasing the product water wet return, and the intercommunication point that washs product water wet return and water purification drain pipe is located between the feed liquor end and the second control valve of water purification drain pipe, it is equipped with to.
Based on above-mentioned continuous operation and incessant chemical cleaning's reverse osmosis system, reverse osmosis subassembly is two at least and parallelly connected setting, and when some reverse osmosis subassemblies appear polluting, can seamlessly switch to other reverse osmosis subassemblies and purify and produce water, can wash the reverse osmosis subassembly that pollutes this moment, ensures that clean system constantly exports the purified water, satisfies manufacturing enterprise's water demand.
Because the pollutants on the surface of the reverse osmosis can be regularly washed, the system can not be shut down, the operation of the whole system is not influenced, the chemical cleaning period of the reverse osmosis is prolonged, the chemical cleaning frequency of the reverse osmosis is reduced, and the service life of a membrane element in the reverse osmosis system is prolonged.
As a modified technical scheme, the reverse osmosis subassembly is three groups, and wherein arbitrary two sets of reverse osmosis subassembly produce water simultaneously and can satisfy the water supply demand, and another group's reverse osmosis subassembly washs, and two reverse osmosis subassembly operation supplies water, and another reverse osmosis subassembly washs, when can satisfying the water supply demand of enterprise, washs the reverse osmosis subassembly, guarantees the high-effect of reverse osmosis subassembly.
As an improved technical scheme, first concentrated water control valve and second concentrated water control valve have been installed in proper order to play liquid end to the feed liquor end of concentrated water delivery pipe cleaning system still includes the washing concentrated liquid back flow that sets up with the branch washing subassembly one-to-one, wash the feed liquor end and the concentrated water delivery pipe intercommunication of concentrated liquid back flow, and wash the intercommunication point that concentrated liquid back flow and concentrated water delivery pipe and be located between first concentrated water control valve and the second concentrated water control valve, wash the concentrated liquid back flow and installed the washing concentrated liquid control valve.
As a modified technical scheme, purification system still includes concentrated water tank and the concentrated water control pipe with concentrated water discharge pipe one-to-one, the feed liquor end and the concentrated water delivery pipe intercommunication of concentrated water control pipe, and concentrated water control pipe and concentrated water delivery pipe intercommunication point are located between first concentrated water control valve and the second concentrated water control valve, concentrated water control pipe facial make-up is equipped with the concentrated water governing valve.
As an improved technical scheme, the water source of the chemical cleaning solution tank comprises system water replenishing, return water of a cleaning water production return pipe, return liquid of a cleaning concentrated solution return pipe and cleaning solution filtered by a cleaning solution filter.
As an improved technical scheme, the purification system further comprises a water production tank, wherein a water inlet end of the water production tank is connected with a water outlet end of a water purification drain pipe, and the water purification drain pipe is connected with a drain pipeline with a drain valve.
As an improved technical scheme, the device also comprises a plurality of pressure monitors, and the liquid outlet end of the first booster pump, the liquid inlet end of the cartridge filter, the liquid outlet end of the cartridge filter, the liquid inlet pipe of the reverse osmosis membrane stack, the concentrated water discharge pipe of the reverse osmosis membrane stack and the purified water discharge pipe of the reverse osmosis membrane stack are all provided with the pressure monitors.
As an improved technical scheme, the liquid outlet end of the cleaning liquid filter, the concentrated water discharge pipe of the reverse osmosis membrane stack and the purified water discharge pipe of the reverse osmosis membrane stack are respectively provided with a flow monitor.
As an improved technical scheme, a conductivity monitoring instrument is arranged on the purified water drainage pipe.
As an improved technical scheme, a low-pressure control alarm instrument is arranged on a pipeline between the cartridge filter and the high-pressure pump.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow diagram of a method of cleaning an uninterrupted, continuously operable reverse osmosis system according to the present invention;
FIG. 2 is a schematic diagram of a configuration for cleaning an uninterrupted continuously operable reverse osmosis system according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Reference numerals:
101-a raw water tank; 102-a first booster pump; 103-cartridge filter; 104-a high pressure pump; 105-a reverse osmosis membrane stack; 105 a-a liquid inlet pipe; 105 b-a concentrate discharge pipe; 105 c-a purified water drain pipe; 105 d-a first control valve; 105 e-a second control valve; 105 f-a first concentrate control valve; 105 g-a second concentrate control valve; 106-water production tank; 107-drain line;
201-chemical cleaning liquid tank; 202-a second booster pump; 203-cleaning liquid filter; 204-cleaning the branch pipes; 204 a-a purge control valve; 205-cleaning a water production return pipe; 205 a-cleaning water production control valve; 206-cleaning concentrated solution return pipe; 206 a-cleaning concentrate control valve; 207-concentrated water tank; 208-concentrated water regulating pipe; 208 a-a concentrated water regulating valve;
301-pressure monitor; 302-a flow monitor; 303-conductivity monitor; 304-low pressure control alarm instrument.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 3, the present invention discloses a continuously operating reverse osmosis system with continuous chemical cleaning, which includes a purification system for reverse osmosis filtering of raw water and a cleaning system for chemical washing of the reverse osmosis system.
The purification system comprises a raw water tank 101, a first booster pump 102, a cartridge filter 103, a high-pressure pump 104 and at least two groups of reverse osmosis components which are connected in parallel and are sequentially connected through pipelines, each group of reverse osmosis components comprises a reverse osmosis membrane stack 105, each reverse osmosis membrane stack 105 is provided with a liquid inlet pipe 105a, a concentrated water discharge pipe 105b and a purified water discharge pipe 105c, the liquid inlet pipe 105a is provided with a first control valve 105d, and the purified water discharge pipe 105c is provided with a second control valve 105 e.
In this embodiment, the water that needs reverse osmosis filtration is input into the raw water tank 101 for buffering, mixing and precipitating, so as to be purified uniformly in the later period.
In this embodiment, a micron-sized filtering core is installed in the cartridge filter 103, and the micron-sized filtering core can perform micron-sized filtering on raw water.
The cleaning system comprises a chemical cleaning liquid tank 201, a second booster pump 202, a cleaning liquid filter 203 and a plurality of branch cleaning components which are sequentially connected through pipelines, the plurality of branch cleaning components are arranged in parallel and correspond to the reverse osmosis components one by one, each branch cleaning component comprises a cleaning branch pipe 204 and a cleaning produced water return pipe 205, the liquid outlet end of the cleaning branch pipe 204 is communicated with a liquid inlet pipe 105a of the reverse osmosis membrane stack 105, and the connection point of the cleaning branch pipe 204 and the liquid inlet pipe 105a is positioned between the liquid outlet end of the liquid inlet pipe 105a and the first control valve 105d, the cleaning branch pipe 204 is provided with a cleaning control valve 204a, the liquid inlet end of the cleaning produced water return pipe 205 is connected with the purified water drain pipe 105c, and the connection point of the cleaning water-producing return pipe 205 and the purified water drain pipe 105c is located between the liquid inlet end of the purified water drain pipe 105c and the second control valve 105e, and a cleaning water-producing control valve 205a is installed on the cleaning water-producing return pipe 205.
In this embodiment, the reverse osmosis subassembly is preferred three groups, and wherein arbitrary two sets of reverse osmosis subassembly produce water simultaneously and can satisfy the water supply demand, and another group reverse osmosis subassembly washs, and after two sets of reverse osmosis subassembly operation certain time of producing water, one of them group reverse osmosis subassembly continues to produce water, and another group reverse osmosis subassembly then washs, and the reverse osmosis subassembly that finishes wasing then begins to produce water, can realize purifying in succession and produce water.
In this embodiment, the first and second concentrate control valves 105f and 105g are sequentially installed from the liquid inlet end to the liquid outlet end of the concentrate discharge pipe 105b, the cleaning system further includes cleaning concentrate return pipes 206 that are one-to-one corresponding to the branch cleaning assemblies, the liquid inlet end of the cleaning concentrate return pipe 206 is communicated with the concentrate discharge pipe 105b, the communication point between the cleaning concentrate return pipe 206 and the concentrate discharge pipe 105b is located between the first and second concentrate control valves 105f and 105g, and the cleaning concentrate return pipe 206 is installed with a cleaning concentrate control valve 206 a.
In this embodiment, the purification system further includes a concentrated water tank 207 and concentrated water adjusting pipes 208 corresponding to the concentrated water discharge pipes 105b one by one, a liquid inlet end of the concentrated water adjusting pipe 208 is communicated with the concentrated water discharge pipe 105b, a point where the concentrated water adjusting pipe 208 is communicated with the concentrated water discharge pipe 105b is located between the first concentrated water control valve 105f and the second concentrated water control valve 105g, and a concentrated water adjusting valve 208a is installed on the concentrated water adjusting pipe 208.
In this embodiment, the water source of the chemical cleaning solution tank 201 includes system water supplement, return water of the cleaning water production return pipe 205, return liquid of the cleaning concentrated solution return pipe 206, and cleaning solution filtered by the cleaning solution filter 203, the purification system further includes the water production tank 106, the water inlet end of the water production tank 106 is connected with the water outlet end of the purified water drainage pipe 105c, and the water drainage pipe 107 with the drain valve 107a is connected to the purified water drainage pipe 105 c.
In the present embodiment, the first control valve 105d, the second control valve 105e, the first rich control valve 105 f; the second concentrated water control valve 105g, the cleaning control valve 204a, the cleaning water production control valve 205a and the cleaning concentrated liquid control valve 206a are all automatic valves controlled by a controller, so that automatic switching is realized, and the requirement of automatic control of the system is met.
In this embodiment, the liquid outlet end of the first booster pump 102, the liquid inlet end of the cartridge filter 103, the liquid outlet end of the cartridge filter 103, the liquid inlet pipe 105a of the reverse osmosis membrane stack 105, the concentrated water discharge pipe 105b of the reverse osmosis membrane stack 105, and the purified water discharge pipe 105c of the reverse osmosis membrane stack 105 are all provided with a pressure monitor 301.
In this embodiment, the outlet end of the cleaning liquid filter 203, the concentrated water discharge pipe 105b of the reverse osmosis membrane stack 105, and the clean water discharge pipe 105c of the reverse osmosis membrane stack 105 are all provided with a flow monitor 302, and the flow in each pipeline can be detected by the flow monitor 302 to assist the manager in analyzing and judging the operation state of the reverse osmosis system.
In this embodiment, the purified water discharge pipe 105c is provided with a conductivity monitor 303.
In this embodiment, a low pressure control alarm gauge 304 is installed on the pipe between the canister filter 103 and the high pressure pump 104.
The reverse osmosis system for continuous operation and uninterrupted chemical cleaning provided by the embodiment has the following use flow: in this embodiment, three groups of reverse osmosis modules are taken as an example, and the three groups of reverse osmosis modules are a # 1 reverse osmosis module, a # 2 reverse osmosis module and a # 3 reverse osmosis module respectively.
1. The system water enters the raw water tank 101 to be buffered, uniformly mixed and precipitated, then is pressurized by the first booster pump 102 and then is input into the security filter 103 to be filtered, and the filtered water quality meets the requirement of reverse osmosis inlet water quality.
2. The raw water filtered by the cartridge filter 103 is pressurized by a high-pressure pump 104 and is accelerated to be input into a reverse osmosis membrane stack 105 for reverse osmosis filtration.
3. When the reverse osmosis system starts to operate, the reverse osmosis membrane stack 105 in the 1# reverse osmosis module and the 2# reverse osmosis module is in a water production state, the first control valve 105d, the second control valve 105e, the first concentrate control valve 105f, the concentrate regulating valve 208a and the second concentrate control valve 105g of the 1# reverse osmosis module and the 2# reverse osmosis module are opened, and the cleaning control valve 204a, the cleaning water production control valve 205a and the cleaning concentrate control valve 206a corresponding to the 1# reverse osmosis module and the 2# reverse osmosis module are closed; the 3# reverse osmosis module is in a chemical cleaning state, the reverse osmosis membrane stack 105 in the 3# reverse osmosis module, the first control valve 105d, the second control valve 105e, the concentrated water regulating valve 208a and the second concentrated water control valve 105g of the 3# reverse osmosis module are closed, and the cleaning control valve 204a, the first concentrated water control valve 105f, the cleaning water production control valve 205a and the cleaning concentrated water control valve 206a corresponding to the 3# reverse osmosis module are opened.
When the # 1 reverse osmosis component and the # 2 reverse osmosis component operate, purified water generated by purification is input into the water production tank 106 through the purified water discharge pipe 105c, part of purified concentrated water is input into the concentrated water tank 207 after being adjusted by the concentrated water adjusting valve 208a, and part of purified concentrated water is directly discharged through the second concentrated water control valve 105 g; when 3# reverse osmosis subassembly was closed, the chemical flushing liquid washed the dense liquid that produces through 3# reverse osmosis subassembly, produced water and all flow back to in chemical cleaning liquid case 201, and 3# reverse osmosis subassembly washes the in-process, voltmeter, the conductivity monitoring instrument 303 that 3# reverse osmosis subassembly corresponds can confirm whether reach the washing effect.
After operating for a period of time, the reverse osmosis membrane stack 105 in the 2# reverse osmosis module and the 3# reverse osmosis module can be switched to a water producing state and the 1# reverse osmosis module is in a flushing state, and the operation mechanism is the same as the mechanism of the 1# reverse osmosis module and the 2# reverse osmosis module in the water producing state and the 3# reverse osmosis module in the flushing state, which is not described herein again.
The reverse osmosis system which is continuously operated and continuously cleaned chemically can enable the purification system to continuously operate, the condition that reverse osmosis is stopped and cannot continuously work in the reverse osmosis chemical cleaning process is not needed to be worried about, the treatment capacity and the water production capacity of the reverse osmosis system are ensured, and for the continuous production process, the treatment of the incoming water can be ensured and the water requirement of the subsequent working section can be met.
The invention has great advantages especially for reverse osmosis treatment systems in the field of sewage, waste water and reclaimed water reuse, does not cause system shutdown when regularly flushing pollutants on the reverse osmosis surface at low pressure, does not influence the operation of the whole system, prolongs the chemical cleaning period of reverse osmosis, reduces the chemical cleaning frequency of reverse osmosis, and further prolongs the service life of membrane elements in the reverse osmosis system.
In the description of the present invention, numerous specific details are set forth, however, it is understood that embodiments of the present invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A continuously operating and uninterrupted chemical cleaning reverse osmosis system, comprising: comprises a purification system and a cleaning system;
the purification system comprises a raw water tank (101), a first booster pump (102), a cartridge filter (103), a high-pressure pump (104) and at least two groups of reverse osmosis components which are connected in parallel and connected in sequence through pipelines, each group of reverse osmosis components comprises a reverse osmosis membrane stack (105), the reverse osmosis membrane stack (105) is provided with a liquid inlet pipe (105a), a concentrated water discharge pipe (105b) and a purified water discharge pipe (105c), the liquid inlet pipe (105a) is provided with a first control valve (105d), and the purified water discharge pipe (105c) is provided with a second control valve (105 e);
the cleaning system comprises a chemical cleaning liquid tank (201), a second booster pump (202), a cleaning liquid filter (203) and a plurality of branch cleaning assemblies which are sequentially connected through pipelines, the branch cleaning assemblies are arranged in parallel and correspond to reverse osmosis assemblies one by one, the branch cleaning assemblies comprise cleaning branch pipes (204) and cleaning water-producing return pipes (205), liquid outlet ends of the cleaning branch pipes (204) are communicated with liquid inlet pipes (105a) of the reverse osmosis membrane stacks (105), communication points of the cleaning branch pipes (204) and the liquid inlet pipes (105a) are located between liquid outlet ends of the liquid inlet pipes (105a) and first control valves (105d), cleaning branch pipes (204) are provided with cleaning control valves (204a), liquid inlet ends of the cleaning water-producing return pipes (205) are communicated with water purification pipes (105c), and the communication points of the cleaning water-producing return pipes (205) and water purification pipes (105c) are located between liquid inlet ends of the water purification pipes (105c) and second control valves (105c) e) And a cleaning water production control valve (205a) is arranged on the cleaning water production return pipe (205).
2. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to claim 1, wherein: the reverse osmosis subassembly is three groups, and wherein arbitrary two sets of reverse osmosis subassembly produce water simultaneously and can satisfy the water supply demand, and another group reverse osmosis subassembly washs.
3. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to claim 1, wherein: a first concentrated water control valve (105f) and a second concentrated water control valve (105g) are sequentially arranged from the liquid inlet end to the liquid outlet end of the concentrated water discharge pipe (105 b);
the cleaning system further comprises a cleaning concentrated solution return pipe (206) which is arranged in one-to-one correspondence with the branch cleaning assemblies, the liquid inlet end of the cleaning concentrated solution return pipe (206) is communicated with a concentrated solution discharge pipe (105b), the communication point of the cleaning concentrated solution return pipe (206) and the concentrated solution discharge pipe (105b) is located between a first concentrated solution control valve (105f) and a second concentrated solution control valve (105g), and a cleaning concentrated solution control valve (206a) is installed on the cleaning concentrated solution return pipe (206).
4. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to claim 3, wherein: purification system still includes concentrated water tank (207) and with concentrated water delivery pipe (105b) one-to-one concentrated water control pipe (208), the feed liquor end and concentrated water delivery pipe (105b) intercommunication of concentrated water control pipe (208), and concentrated water control pipe (208) and concentrated water delivery pipe (105b) intercommunication point are located between first concentrated water control valve (105f) and second concentrated water control valve (105g), concentrated water control pipe (208) facial make-up is equipped with concentrated water control valve (208 a).
5. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to claim 3, wherein: the water source of the chemical cleaning liquid tank (201) comprises system water replenishing, return water of a cleaning water production return pipe (205), return liquid of a cleaning concentrated liquid return pipe (206) and cleaning liquid filtered by a cleaning liquid filter (203).
6. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to claim 3, wherein: the purification system further comprises a water production tank (106), wherein the water inlet end of the water production tank (106) is connected with the water outlet end of a purified water drainage pipe (105c), and a drainage pipeline (107) with a drainage valve (107a) is connected to the purified water drainage pipe (105 c).
7. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to any one of claims 1 to 6, wherein: the liquid outlet end of the first booster pump (102), the liquid inlet end of the cartridge filter (103), the liquid outlet end of the cartridge filter (103), the liquid inlet pipe (105a) of the reverse osmosis membrane stack (105), the concentrated water discharge pipe (105b) of the reverse osmosis membrane stack (105) and the purified water discharge pipe (105c) of the reverse osmosis membrane stack (105) are all provided with a pressure monitor (301).
8. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to any one of claims 1 to 6, wherein: and the liquid outlet end of the cleaning liquid filter (203), the concentrated water discharge pipe (105b) of the reverse osmosis membrane stack (105) and the purified water discharge pipe (105c) of the reverse osmosis membrane stack (105) are respectively provided with a flow monitor (302).
9. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to any one of claims 1 to 6, wherein: and a conductivity monitoring instrument (303) is arranged on the purified water drainage pipe (105 c).
10. A continuously operating and uninterrupted chemical cleaning reverse osmosis system according to any one of claims 1 to 6, wherein: a low-pressure control alarm instrument (304) is arranged on a pipeline between the cartridge filter (103) and the high-pressure pump (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010307118.4A CN111362443A (en) | 2020-04-17 | 2020-04-17 | Reverse osmosis system capable of continuously running and continuously and chemically cleaning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010307118.4A CN111362443A (en) | 2020-04-17 | 2020-04-17 | Reverse osmosis system capable of continuously running and continuously and chemically cleaning |
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| CN111362443A true CN111362443A (en) | 2020-07-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050067341A1 (en) * | 2003-09-25 | 2005-03-31 | Green Dennis H. | Continuous production membrane water treatment plant and method for operating same |
| CN103301753A (en) * | 2013-07-09 | 2013-09-18 | 中国海洋大学 | Washing method for preventing reverse osmosis membrane or nano-filtration membrane from being polluted |
| US20180280888A1 (en) * | 2017-03-31 | 2018-10-04 | Hitachi, Ltd. | Reverse osmosis treatment apparatus and reverse osmosis treatment method |
| CN211971963U (en) * | 2020-04-17 | 2020-11-20 | 莱特莱德（北京）环境技术股份有限公司 | Reverse osmosis system capable of continuously running and continuously and chemically cleaning |
-
2020
- 2020-04-17 CN CN202010307118.4A patent/CN111362443A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050067341A1 (en) * | 2003-09-25 | 2005-03-31 | Green Dennis H. | Continuous production membrane water treatment plant and method for operating same |
| CN103301753A (en) * | 2013-07-09 | 2013-09-18 | 中国海洋大学 | Washing method for preventing reverse osmosis membrane or nano-filtration membrane from being polluted |
| US20180280888A1 (en) * | 2017-03-31 | 2018-10-04 | Hitachi, Ltd. | Reverse osmosis treatment apparatus and reverse osmosis treatment method |
| CN211971963U (en) * | 2020-04-17 | 2020-11-20 | 莱特莱德（北京）环境技术股份有限公司 | Reverse osmosis system capable of continuously running and continuously and chemically cleaning |
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