CN113955828B - Reverse osmosis dense water gradient utilization device - Google Patents
Reverse osmosis dense water gradient utilization device Download PDFInfo
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- CN113955828B CN113955828B CN202111342001.0A CN202111342001A CN113955828B CN 113955828 B CN113955828 B CN 113955828B CN 202111342001 A CN202111342001 A CN 202111342001A CN 113955828 B CN113955828 B CN 113955828B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 378
- 229910001868 water Inorganic materials 0.000 title claims abstract description 378
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 266
- 238000000034 method Methods 0.000 claims abstract description 55
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 46
- 230000023556 desulfurization Effects 0.000 claims abstract description 46
- 230000001502 supplementing effect Effects 0.000 claims abstract description 29
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 238000011033 desalting Methods 0.000 claims abstract description 5
- 239000012141 concentrate Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The application relates to a reverse osmosis concentrated water gradient utilization device, which comprises: the device comprises a reverse osmosis concentrated water tank, a reverse osmosis concentrated water pump, a concentrated water reverse osmosis water inlet lifting pump, a concentrated water reverse osmosis water inlet security filter, a concentrated water reverse osmosis high-pressure pump, concentrated water reverse osmosis equipment, a reverse osmosis concentrated water tank and a reverse osmosis concentrated water pump; wherein the concentrated water refers to water produced by a water treatment desalting process, which has higher concentration than the concentrated water; the inlet of the reverse osmosis concentrated water tank is connected with the concentrated water port of the existing reverse osmosis device, and the outlet of the reverse osmosis concentrated water tank is respectively connected with the inlet of the reverse osmosis concentrated water pump and the inlet of the concentrated water reverse osmosis water inlet lifting pump in two ways; the outlet of the reverse osmosis concentrated water pump is connected to the inlet of the desulfurization process water supplementing tank. The beneficial effects of the application are as follows: two paths of concentrated water recycling equipment are arranged for realizing total amount regulation and independent recycling of reverse osmosis concentrated water and reverse osmosis concentrated water according to different requirements of water supplementing in a desulfurization process, and the control is flexible and convenient.
Description
Technical Field
The application belongs to the technical field of water treatment, and particularly relates to a reverse osmosis concentrated water gradient utilization device.
Background
With the gradual maturation of membrane industry technology and the expansion of industrial water treatment demands, reverse osmosis technology is rapidly developed as a water treatment desalting process, and is comprehensively popularized and applied in various desalting water systems. Reverse osmosis technology is based on its technological principle, and in normal operation, concentrated water is produced in certain proportion. The conventional first-stage reverse osmosis system has the recovery rate of about 25 percent according to 75 percent design, has better water quality indexes except for salt content, and needs to perform cascade utilization and treatment recycling to the maximum extent so as to reduce the discharge amount of wastewater as much as possible.
At present, a wet desulfurization technology is commonly adopted in large-scale thermal power plants in China, and an absorption tower system is used as a natural wastewater concentration system, has good adaptability to salt-containing wastewater with certain concentration, can absorb a proper amount of concentrated wastewater, and further controls the total wastewater treatment capacity of zero emission, so that an effective way for utilizing reverse osmosis concentrated water in a gradient manner is provided.
Disclosure of Invention
The application aims to overcome the defects in the prior art and provides a reverse osmosis concentrated water gradient utilization device.
The reverse osmosis concentrated water gradient utilization device is further provided with a reverse osmosis concentrated water tank, a reverse osmosis concentrated water pump, a concentrated water reverse osmosis water inlet lifting pump, a concentrated water reverse osmosis water inlet security filter, a concentrated water reverse osmosis high-pressure pump, a concentrated water reverse osmosis device, a reverse osmosis concentrated water tank and a reverse osmosis concentrated water pump on the basis of the prior reverse osmosis device and a desulfurization process water supplementing tank; wherein the concentrated water refers to water produced by a water treatment desalting process, which has higher concentration than the concentrated water; the inlet of the reverse osmosis concentrated water tank is connected with the concentrated water port of the existing reverse osmosis device, and the outlet of the reverse osmosis concentrated water tank is respectively connected with the inlet of the reverse osmosis concentrated water pump and the inlet of the concentrated water reverse osmosis water inlet lifting pump in two ways; the outlet of the reverse osmosis concentrated water pump is connected to the inlet of the desulfurization process water supplementing tank, the outlet of the concentrated water reverse osmosis water inlet lifting pump is connected with the inlet of the reverse osmosis water inlet security filter, the outlet of the reverse osmosis water inlet security filter is connected with the inlet of the concentrated water reverse osmosis high-pressure pump, the outlet of the concentrated water reverse osmosis high-pressure pump is connected with the concentrated water reverse osmosis equipment, the concentrated water outlet of the concentrated water reverse osmosis equipment is connected to the inlet of the reverse osmosis concentrated water tank, the outlet of the product water outlet of the concentrated water reverse osmosis equipment is connected to the recycling point, the outlet of the reverse osmosis concentrated water tank is connected to the inlet of the reverse osmosis concentrated water pump, and the outlet of the reverse osmosis concentrated water pump is connected to the inlet of the desulfurization process water supplementing tank.
Preferably, the reverse osmosis concentrated water tank and the reverse osmosis concentrated water tank are built together; the reverse osmosis concentrated water tank and the reverse osmosis concentrated water tank are both of underground steel concrete structures, and glass fiber reinforced plastics with anti-corrosion function are arranged on the inner walls of the reverse osmosis concentrated water tank and the reverse osmosis concentrated water tank.
Preferably, the reverse osmosis concentrated water pump, the concentrated water reverse osmosis water inlet lifting pump, the concentrated water reverse osmosis high-pressure pump and the reverse osmosis concentrated water pump are all made of corrosion-resistant materials.
Preferably, the high-pressure pump for reverse osmosis of the concentrated water adopts variable frequency regulation, and the reverse osmosis equipment of the concentrated water adopts an anti-pollution membrane component.
Preferably, the reverse osmosis concentrated water gradient utilization device is connected with an auxiliary control PLC or DCS, and the reverse osmosis concentrated water pump, the concentrated water reverse osmosis water inlet lifting pump, the concentrated water reverse osmosis high-pressure pump and the reverse osmosis concentrated water pump are all electrically connected with the PLC or DCS at the same time.
The working method of the reverse osmosis concentrated water gradient utilization device comprises the following steps:
s1, enabling concentrated water of an existing reverse osmosis device to enter a reverse osmosis concentrated water tank through a pipeline;
s2, a PLC or a DCS controls the start and stop of a reverse osmosis concentrated water pump, a concentrated water reverse osmosis water inlet lifting pump, a concentrated water reverse osmosis high-pressure pump and a reverse osmosis concentrated water pump according to the high-low liquid level alarm linkage of the reverse osmosis concentrated water tank and the reverse osmosis concentrated water tank;
s3, under normal working conditions, all reverse osmosis concentrated water in the reverse osmosis concentrated water tank enters a reverse osmosis water inlet lifting pump through a reverse osmosis concentrated water pump, and the reverse osmosis water inlet lifting pump carries out pressure lifting on the reverse osmosis concentrated water from the reverse osmosis concentrated water tank; the reverse osmosis concentrated water after the pressure is increased enters a concentrated water reverse osmosis device through a concentrated water reverse osmosis water inlet cartridge filter and a concentrated water reverse osmosis high-pressure pump; the reverse osmosis equipment of the concentrated water carries out re-concentration treatment on the reverse osmosis concentrated water to obtain concentrated water;
s4, when the water supplementing amount to be changed in the desulfurization process: the output of the reverse osmosis concentrated water pump and the output of the reverse osmosis concentrated water pump are regulated, the re-concentration treatment output of the concentrated water reverse osmosis equipment is reduced to 0-50%, the concentrated water flows into a reverse osmosis concentrated water tank, and the concentrated water in the reverse osmosis concentrated water tank is fed into a desulfurization process water supplementing tank by the reverse osmosis concentrated water pump as desulfurization process water; and the concentrated water is used for supplementing water to the absorption tower; or the concentrated water in the reverse osmosis concentrated water tank is used as the water for the desulfurization process according to the water consumption of the desulfurization process of the wet desulfurization system, the water is supplemented to the desulfurization process water supplementing tank through the reverse osmosis concentrated water pump, and the reverse osmosis concentrated water collected by the desulfurization process water supplementing tank is used as the process water supplementing of the wet desulfurization system.
Preferably, the sum of the water output of the reverse osmosis concentrated water pump and the reverse osmosis concentrated water pump in the step S4 meets the total water consumption requirement of the wet desulfurization system.
The beneficial effects of the application are as follows:
aiming at the demand of recycling reverse osmosis concentrated water, the application provides a reliable reverse osmosis concentrated water gradient utilization device, solves the inherent defects of the traditional reverse osmosis process in the aspect of concentrated water treatment by combining a wet desulphurization process, re-concentrates the reverse osmosis concentrated water, reduces the end concentrated water quantity, can recycle product water, improves the water utilization rate of the whole system, realizes the gradient utilization of the reverse osmosis concentrated water, and improves the water saving rate and the economical efficiency of the system; the insufficient part of the desulfurization process water can use the existing industrial water source, and the operation of the existing system is not affected;
the application is provided with two paths of concentrated water recycling equipment for realizing the total amount regulation and independent recycling of the reverse osmosis concentrated water and the reverse osmosis concentrated water according to different requirements of the desulfurization process water replenishing, and the control is flexible and convenient.
Drawings
FIG. 1 is a schematic diagram of a reverse osmosis concentrate gradient utilizing device of the present application.
Reference numerals illustrate: the device comprises a reverse osmosis concentrated water tank 1, a reverse osmosis concentrated water pump 2, a concentrated water reverse osmosis water inlet lifting pump 3, a desulfurization process water supplementing tank 4, a concentrated water reverse osmosis water inlet security filter 5, a concentrated water reverse osmosis high-pressure pump 6, concentrated water reverse osmosis equipment 7, a reverse osmosis concentrated water tank 8, a reverse osmosis concentrated water pump 9 and an existing reverse osmosis device 10.
Detailed Description
The application is further described below with reference to examples. The following examples are presented only to aid in the understanding of the application. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present application without departing from the principles of the application, and such modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Example 1
The first embodiment of the application provides a reverse osmosis concentrated water gradient utilization device shown in figure 1, which is mainly used for a boiler makeup water treatment system and a desulfurization process water system of a certain power plant; the reverse osmosis concentrated water quantity of the makeup water treatment system and the desulfurization process water system of a certain power plant boiler is 3 multiplied by 50t/h, and after the collection treatment by the reverse osmosis concentrated water gradient utilization device of the embodiment, the full recovery and the reutilization can be realized. The reverse osmosis concentrate gradient utilization device comprises:
1 reverse osmosis concentrated water tank 1, wherein the reverse osmosis concentrated water tank 1 adopts an underground steel concrete structure, glass fiber reinforced plastics is corrosion-resistant, and the volume is 200m 3 ；
2 reverse osmosis concentrated water pumps 2,1 are prepared by 1, the output force is 150t/h, and S31603 material is adopted;
2 concentrated water reverse osmosis water inlet lifting pumps 3,1 are prepared by 1, the output force is 150t/h, and S31603 material is adopted;
a desulfurization process water supplementing tank 4 (original equipment);
1 concentrated water reverse osmosis water inlet security filter 5, the output is 150t/h, and S31603 material is adopted;
2 concentrated water reverse osmosis high-pressure pumps 6,1 are prepared by 1, the output force is 150t/h, and S31603 material is adopted;
1 set of dense water reverse osmosis equipment 7 adopts an anti-pollution membrane component, the output force is 90t/h, the design inflow TDS is 4000mg/L, the recovery rate is 60 percent, and the dense water TDS is 10000mg/L;
1 reverse osmosis concentrated water pool 8 adopts an underground reinforced concrete structure, glass fiber reinforced plastic is corrosion-proof, and the volume is 100m 3 Is built together with a reverse osmosis concentrated water tank 1;
2 reverse osmosis concentrated water pumps 9,1 are prepared by 1, the output force is 60t/h, and S2205 is adopted; 3 sets of prior reverse osmosis devices 10, and the single set of the output is 150t/h.
The outlet of the reverse osmosis concentrated water tank 1 is respectively connected with the inlets of a reverse osmosis concentrated water pump 2 and a concentrated water reverse osmosis water inlet lifting pump 3; the outlet of the reverse osmosis concentrated water pump 2 is connected to the inlet of the desulfurization process water supplementing tank 4; the outlet of the concentrated water reverse osmosis water inlet lifting pump 3 is sequentially connected with a concentrated water reverse osmosis water inlet security filter 5 and a concentrated water reverse osmosis high-pressure pump 6, and is connected with the inlet of newly added concentrated water reverse osmosis equipment 7; the product water outlet of the concentrated water reverse osmosis device 7 is connected with a recycling point, and the concentrated water outlet is connected with the inlet of the reverse osmosis concentrated water pool 8; the outlet of the reverse osmosis concentrated water tank 8 is connected to a reverse osmosis concentrated water pump 9, and the outlet of the reverse osmosis concentrated water pump 9 is connected to the inlet of the desulfurization process water supplementing tank 4.
The reverse osmosis concentrated water gradient utilization device contacts the equipment and pipeline materials of the concentrated water, and stainless steel, duplex stainless steel or other anti-corrosion materials are adopted completely, so that corrosion of chloride ions and the like is effectively avoided, and the service life of the equipment is ensured.
The concentrated water reverse osmosis equipment 7 selects an anti-pollution membrane element of the American Dow company, the recovery rate of the system is set to be not more than 60%, the service life of the membrane element and the normal cleaning period are ensured, and the dosing and cleaning system can utilize the matched equipment of the existing reverse osmosis system to increase a corresponding dosing metering pump.
The reverse osmosis concentrated water gradient utilization device is connected with a water dissolving PLC or DCS, and all power equipment is controlled through signals such as liquid level, flow and the like, so that one-key start-stop and automatic operation of the whole device are realized.
Example two
On the basis of the first embodiment, the second embodiment of the application provides a working method of the reverse osmosis concentrated water gradient utilization device in the first embodiment:
s1, enabling concentrated water of the existing reverse osmosis device 10 to enter a reverse osmosis concentrated water tank 1 through a pipeline;
s2, a PLC or a DCS controls the start and stop of the reverse osmosis concentrated water pump 2, the concentrated water reverse osmosis water inlet lifting pump 3, the concentrated water reverse osmosis high-pressure pump 6 and the reverse osmosis concentrated water pump 9 according to the high-low liquid level alarm linkage of the reverse osmosis concentrated water tank 1 and the reverse osmosis concentrated water tank 8;
s3, under normal working conditions, the reverse osmosis concentrated water in the reverse osmosis concentrated water tank 1 completely enters the reverse osmosis water inlet lifting pump 3 through the reverse osmosis concentrated water pump 2, and the reverse osmosis water inlet lifting pump 3 carries out pressure lifting on the reverse osmosis concentrated water from the reverse osmosis concentrated water tank 1; the reverse osmosis concentrated water after the pressure is increased enters a concentrated water reverse osmosis device 7 through a concentrated water reverse osmosis water inlet cartridge filter 5 and a concentrated water reverse osmosis high-pressure pump 6; the concentrated water reverse osmosis equipment 7 carries out re-concentration treatment on the reverse osmosis concentrated water to obtain concentrated water;
s4, when the water supplementing amount to be changed in the desulfurization process: the output of the reverse osmosis concentrated water pump 2 and the reverse osmosis concentrated water pump 9 is regulated, the re-concentration treatment output of the concentrated water reverse osmosis equipment 7 is reduced to 0-50%, the concentrated water flows into the reverse osmosis concentrated water tank 8, and the concentrated water in the reverse osmosis concentrated water tank 8 is used as desulfurization process water to be fed into the desulfurization process water supplementing tank 4 by the reverse osmosis concentrated water pump 9; and the concentrated water is used for supplementing water to the absorption tower; or the concentrated water in the reverse osmosis concentrated water tank 1 is used as the water for the desulfurization process according to the water consumption of the desulfurization process of the wet desulfurization system, the water is supplemented to the desulfurization process water supplementing tank 4 through the reverse osmosis concentrated water pump 2, and the reverse osmosis concentrated water collected by the desulfurization process water supplementing tank 4 is used as the process water supplementing of the wet desulfurization system.
Claims (6)
1. The working method of the reverse osmosis concentrated water gradient utilization device is characterized in that the reverse osmosis concentrated water gradient utilization device is further provided with a reverse osmosis concentrated water tank (1), a reverse osmosis concentrated water pump (2), a concentrated water reverse osmosis water inlet lifting pump (3), a concentrated water reverse osmosis water inlet security filter (5), a concentrated water reverse osmosis high-pressure pump (6), a concentrated water reverse osmosis device (7), a reverse osmosis concentrated water tank (8) and a reverse osmosis concentrated water pump (9) on the basis of the existing reverse osmosis device (10) and a desulfurization process water supplementing tank (4); wherein the concentrated water refers to water produced by a water treatment desalting process, which has higher concentration than the concentrated water;
the inlet of the reverse osmosis concentrated water tank (1) is connected with the concentrated water port of the existing reverse osmosis device (10), and the outlet of the reverse osmosis concentrated water tank (1) is respectively connected with the inlet of the reverse osmosis concentrated water pump (2) and the inlet of the concentrated water reverse osmosis water inlet lifting pump (3) in two ways; the outlet of the reverse osmosis concentrated water pump (2) is connected to the inlet of the desulfurization process water supplementing tank (4), the outlet of the concentrated water reverse osmosis water inlet lifting pump (3) is connected with the inlet of the reverse osmosis water inlet security filter (5), the outlet of the reverse osmosis water inlet security filter (5) is connected with the inlet of the concentrated water reverse osmosis high-pressure pump (6), the outlet of the concentrated water reverse osmosis high-pressure pump (6) is connected with the concentrated water reverse osmosis equipment (7), the concentrated water outlet of the concentrated water reverse osmosis equipment (7) is connected to the inlet of the reverse osmosis concentrated water tank (8), the product water outlet of the concentrated water reverse osmosis equipment (7) is connected to the recycling point, the outlet of the reverse osmosis concentrated water tank (8) is connected to the inlet of the reverse osmosis concentrated water pump (9), and the outlet of the reverse osmosis concentrated water pump (9) is connected to the inlet of the desulfurization process water supplementing tank (4); the method comprises the following steps:
s1, enabling concentrated water of an existing reverse osmosis device (10) to enter a reverse osmosis concentrated water tank (1) through a pipeline;
s2, a PLC or a DCS controls the start and stop of a reverse osmosis concentrated water pump (2), a concentrated water reverse osmosis water inlet lifting pump (3), a concentrated water reverse osmosis high-pressure pump (6) and a reverse osmosis concentrated water pump (9) according to the high-low liquid level alarm linkage of the reverse osmosis concentrated water tank (1) and the reverse osmosis concentrated water tank (8);
s3, under normal working conditions, reverse osmosis concentrated water in the reverse osmosis concentrated water tank (1) completely enters the reverse osmosis water inlet lifting pump (3) through the reverse osmosis concentrated water pump (2), and the reverse osmosis water inlet lifting pump (3) carries out pressure lifting on the reverse osmosis concentrated water from the reverse osmosis concentrated water tank (1); the reverse osmosis concentrated water after the pressure is increased enters a concentrated water reverse osmosis device (7) through a concentrated water reverse osmosis water inlet cartridge filter (5) and a concentrated water reverse osmosis high-pressure pump (6); the concentrated water reverse osmosis equipment (7) carries out re-concentration treatment on the reverse osmosis concentrated water to obtain concentrated water;
s4, when the water supplementing amount to be changed in the desulfurization process: the output of the reverse osmosis concentrated water pump (2) and the output of the reverse osmosis concentrated water pump (9) are regulated, the re-concentration treatment output of the concentrated water reverse osmosis equipment (7) is reduced to 0-50%, the concentrated water flows into the reverse osmosis concentrated water tank (8), and the concentrated water in the reverse osmosis concentrated water tank (8) is fed into the desulfurization process water supplementing tank (4) by the reverse osmosis concentrated water pump (9) as desulfurization process water; and the concentrated water is used for supplementing water to the absorption tower; or the concentrated water in the reverse osmosis concentrated water tank (1) is used as the water for the desulfurization process according to the water consumption of the desulfurization process of the wet desulfurization system, the water is supplemented to the desulfurization process water supplementing tank (4) through the reverse osmosis concentrated water pump (2), and the reverse osmosis concentrated water collected by the desulfurization process water supplementing tank (4) is used as the process water for the wet desulfurization system.
2. The method for operating a reverse osmosis concentrate gradient utilizing device according to claim 1, wherein: and in the step S4, the sum of the water output of the reverse osmosis concentrated water pump (2) and the reverse osmosis concentrated water pump (9) meets the total water consumption requirement of the wet desulfurization system.
3. The method for operating a reverse osmosis concentrate gradient utilizing device according to claim 1, wherein: the reverse osmosis concentrated water tank (8) is built together with the reverse osmosis concentrated water tank (1); the reverse osmosis concentrated water tank (1) and the reverse osmosis concentrated water tank (8) are of underground steel concrete structures, and glass fiber reinforced plastics with anti-corrosion effect are arranged on the inner walls of the reverse osmosis concentrated water tank (8) and the reverse osmosis concentrated water tank (1).
4. The method for operating a reverse osmosis concentrate gradient utilizing device according to claim 1, wherein: the reverse osmosis concentrated water pump (2), the concentrated water reverse osmosis water inlet lifting pump (3), the concentrated water reverse osmosis high-pressure pump (6) and the reverse osmosis concentrated water pump (9) are all made of corrosion-resistant materials.
5. The method for operating a reverse osmosis concentrate gradient utilizing device according to claim 1, wherein: the high-pressure pump (6) for reverse osmosis of the concentrated water adopts variable frequency regulation, and the reverse osmosis equipment (7) for the concentrated water adopts an anti-pollution membrane component.
6. The method for operating a reverse osmosis concentrate gradient utilizing device according to claim 1, wherein: the reverse osmosis concentrated water gradient utilization device is connected with an auxiliary control PLC or DCS, and the reverse osmosis concentrated water pump (2), the concentrated water reverse osmosis water inlet lifting pump (3), the concentrated water reverse osmosis high-pressure pump (6) and the reverse osmosis concentrated water pump (9) are all electrically connected with the PLC or DCS at the same time.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201825804U (en) * | 2010-09-18 | 2011-05-11 | 北京倍杰特国际环境技术有限公司 | Thick water reverse osmosis device of water treatment system |
| CN202569958U (en) * | 2012-04-01 | 2012-12-05 | 烟台洁通水处理技术有限公司 | Reverse osmosis concentrated water recovery device |
| CN202643466U (en) * | 2012-07-20 | 2013-01-02 | 大唐国际发电股份有限公司张家口发电厂 | Treatment system for production wastewater |
| CN105000635A (en) * | 2015-08-18 | 2015-10-28 | 深圳市华虹清源环保科技有限公司 | Iron phosphate wastewater zero discharging treatment device and method |
| CN207227234U (en) * | 2017-09-06 | 2018-04-13 | 山东新升实业发展有限责任公司 | A kind of reverse osmosis concentrated water utilization system |
| CN209307109U (en) * | 2018-12-14 | 2019-08-27 | 湖州南太湖电力科技有限公司 | Reverse osmosis concentrated water reclaiming system |
| CN111170524A (en) * | 2020-01-14 | 2020-05-19 | 上海申能崇明发电有限公司 | Reverse osmosis concentrated water recycling method |
| CN112174412A (en) * | 2020-08-31 | 2021-01-05 | 黄山市白岳活性白土有限公司 | Method for recycling reclaimed water in high-salt-content wastewater |
-
2021
- 2021-11-12 CN CN202111342001.0A patent/CN113955828B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201825804U (en) * | 2010-09-18 | 2011-05-11 | 北京倍杰特国际环境技术有限公司 | Thick water reverse osmosis device of water treatment system |
| CN202569958U (en) * | 2012-04-01 | 2012-12-05 | 烟台洁通水处理技术有限公司 | Reverse osmosis concentrated water recovery device |
| CN202643466U (en) * | 2012-07-20 | 2013-01-02 | 大唐国际发电股份有限公司张家口发电厂 | Treatment system for production wastewater |
| CN105000635A (en) * | 2015-08-18 | 2015-10-28 | 深圳市华虹清源环保科技有限公司 | Iron phosphate wastewater zero discharging treatment device and method |
| CN207227234U (en) * | 2017-09-06 | 2018-04-13 | 山东新升实业发展有限责任公司 | A kind of reverse osmosis concentrated water utilization system |
| CN209307109U (en) * | 2018-12-14 | 2019-08-27 | 湖州南太湖电力科技有限公司 | Reverse osmosis concentrated water reclaiming system |
| CN111170524A (en) * | 2020-01-14 | 2020-05-19 | 上海申能崇明发电有限公司 | Reverse osmosis concentrated water recycling method |
| CN112174412A (en) * | 2020-08-31 | 2021-01-05 | 黄山市白岳活性白土有限公司 | Method for recycling reclaimed water in high-salt-content wastewater |
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