CN116216974A - Reclaimed water recycling system - Google Patents
Reclaimed water recycling system Download PDFInfo
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- CN116216974A CN116216974A CN202211699672.7A CN202211699672A CN116216974A CN 116216974 A CN116216974 A CN 116216974A CN 202211699672 A CN202211699672 A CN 202211699672A CN 116216974 A CN116216974 A CN 116216974A
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- water
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- cooling tower
- reverse osmosis
- collecting tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 238000004064 recycling Methods 0.000 title claims description 17
- 238000001816 cooling Methods 0.000 claims abstract description 65
- 239000002351 wastewater Substances 0.000 claims abstract description 57
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 43
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 17
- 238000010612 desalination reaction Methods 0.000 claims abstract description 9
- 239000003814 drug Substances 0.000 claims abstract description 7
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 6
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 6
- 239000003899 bactericide agent Substances 0.000 claims abstract description 6
- 229910001424 calcium ion Inorganic materials 0.000 claims abstract description 6
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 239000002455 scale inhibitor Substances 0.000 claims abstract description 6
- 238000011033 desalting Methods 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000012492 regenerant Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 6
- 238000005352 clarification Methods 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 7
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000010802 sludge Substances 0.000 description 5
- 238000000108 ultra-filtration Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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
-
- 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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
-
- 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
Landscapes
- 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 discloses reclaimed water cyclic utilization system includes: a total wastewater tank, a desalting assembly, a detection and prevention assembly and a cooling tower water collecting tank; the water inlet of the waste water main tank is connected with a sewage drain pipeline of the cooling tower; the desalination assembly includes: multi-media filters, self-cleaning filters, ultra-filters, reverse osmosis cartridge filters; the water outlet of the waste water main tank is sequentially connected with a multi-medium filter, a self-cleaning filter, an ultrafilter, a reverse osmosis cartridge filter and a cooling tower water collecting tank through a waste water pump; the detection assembly includes: a detector and a doser; the detector is connected with the cooling tower water collecting tank and is used for detecting the chloride ion concentration, the calcium ion concentration, the hardness and the alkalinity of the liquid in the cooling tower water collecting tank according to a first preset period; the medicine adding device is connected with the cooling tower water collecting tank and is used for adding sulfuric acid solution, scale inhibitor and bactericide into the cooling tower water collecting tank according to a second preset period. The sewage discharged from the cooling tower is treated and then reused, so that the economic benefit can be improved.
Description
Technical Field
The application relates to the technical field of reclaimed water treatment, in particular to a reclaimed water recycling system.
Background
In the operation process, circulating cooling water is firstly sent into the condenser through the circulating water pump to perform heat exchange, then is cooled by the cooling tower and enters the water pool inside the cooling tower, and is sent into the condenser again through the circulating water pump, so that the circulating cooling water can be recycled. The circulating cooling water is evaporated to take away a large amount of water after heat exchange with media such as air in the cooling tower, so that the purpose of cooling is achieved, and a large amount of water liquid needs to be continuously supplemented in the operation process of the cooling tower.
The water source of the existing circulating cooling water is generally from tap water, so that the consumption of tap water is large, and the economic benefit is low.
Disclosure of Invention
In view of this, the purpose of this application is to provide a reclaimed water cyclic utilization system for solve the lower problem of economic benefits of current recirculated cooling water mode operation.
In order to achieve the technical purpose, the application provides a reclaimed water recycling system, which comprises: a total wastewater tank, a desalting assembly, a detection and prevention assembly and a cooling tower water collecting tank;
the water inlet of the waste water main tank is connected with a sewage drain pipeline of the cooling tower and is used for collecting sewage drain waste water;
the desalination assembly comprises: multi-media filters, self-cleaning filters, ultra-filters, reverse osmosis cartridge filters;
the water outlet of the total wastewater pool is connected with the multi-medium filter, the self-cleaning filter, the ultrafilter and the reverse osmosis cartridge filter in sequence through a wastewater pump and then is connected with the cooling tower water collecting pool;
the detection assembly includes: a detector and a doser;
the detector is connected with the cooling tower water collecting tank and is used for detecting the chloride ion concentration, the calcium ion concentration, the hardness and the alkalinity of the liquid in the cooling tower water collecting tank according to a first preset period;
the chemical feeder is connected with the cooling tower water collecting tank and is used for adding sulfuric acid solution, scale inhibitor and bactericide into the cooling tower water collecting tank according to a second preset period.
Further, the detection assembly further comprises: metal hanging sheet and weighing device;
the metal hanging sheet stretches into the cooling tower water collecting tank;
the weighing device is used for measuring the mass of the metal hanging sheet taken out according to a third preset period.
Further, the metal hanger sheet includes: copper sheets and iron sheets.
Further, the detection assembly further comprises: the device comprises a sulfuric acid liquid storage tank, an acid adding pump, a processor and a PH detector;
the sulfuric acid liquid storage tank is connected with the drug adding device through the acid adding pump;
the PH detector is connected with the cooling tower water collecting tank and is used for detecting the PH value of the cooling tower water collecting tank;
the processor is electrically connected with the acid adding pump and the PH detector and is used for controlling the start and stop of the acid adding pump according to the PH value.
Further, the detector is also used for detecting COD, ammonia nitrogen content, total nitrogen content and total phosphorus content in the cooling tower water collecting tank.
Further, the rain water tank is also included;
the rainwater pond is connected with the cooling tower water collecting pond through a rainwater pump and a rainwater filter.
Further, the device also comprises a concentrated water tank;
the desalination assembly further comprises: reverse osmosis process tank;
the reverse osmosis carrying out box is used for carrying out reverse osmosis;
the water outlet of the reverse osmosis cartridge filter is connected with the reverse osmosis proceeding box, and the reverse osmosis proceeding box is connected with the cooling tower water collecting tank;
the concentrated water tank is connected with the reverse osmosis carrying out tank and is used for collecting concentrated water after reverse osmosis.
Further, the self-cleaning filter and the ultrafilter are connected with the total wastewater tank through backwash water pipes, and backwash water of the self-cleaning filter and the ultrafilter is converged to the total wastewater tank through the backwash water pipes.
Further, the device also comprises a backwash water clarifier;
the multi-medium filter is connected with the backwash water clarification tank through a backwash water pipe;
the back flush water clarifying tank is connected with the waste water total tank through a clear liquid pipe, is used for collecting back flush water of the multi-medium filter through the back flush water pipe, and is used for converging supernatant liquid after the back flush water is clarified to the waste water total tank through the clear liquid pipe.
Further, the total wastewater tank is also connected with the production wastewater tank for collecting production wastewater.
From the above technical scheme, the application provides a reclaimed water cyclic utilization system, including: a total wastewater tank, a desalting assembly, a detection and prevention assembly and a cooling tower water collecting tank; the water inlet of the waste water main tank is connected with a sewage drain pipeline of the cooling tower and is used for collecting sewage drain waste water; the desalination assembly comprises: multi-media filters, self-cleaning filters, ultra-filters, reverse osmosis cartridge filters; the water outlet of the total wastewater pool is connected with the multi-medium filter, the self-cleaning filter, the ultrafilter and the reverse osmosis cartridge filter in sequence through a wastewater pump and then is connected with the cooling tower water collecting pool; the detection assembly includes: a detector and a doser; the detector is connected with the cooling tower water collecting tank and is used for detecting the chloride ion concentration, the calcium ion concentration, the hardness and the alkalinity of the liquid in the cooling tower water collecting tank according to a first preset period; the chemical feeder is connected with the cooling tower water collecting tank and is used for adding sulfuric acid solution, scale inhibitor and bactericide into the cooling tower water collecting tank according to a second preset period. The pollution discharge wastewater of the cooling tower is collected and then is treated by the desalting component for reuse, and the water quality index in the water collecting tank of the cooling tower is detected periodically by the detection and prevention component, so that the pollution discharge wastewater meets the water requirement, and the problem that the economic benefit of the conventional circulating cooling water operation mode is low can be effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of an overall structure of a reclaimed water recycling system according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the claimed invention.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1, a reclaimed water recycling system provided in an embodiment of the present application includes: a total wastewater tank 10, a desalination assembly, a detection and prevention assembly, and a cooling tower sump 40.
The water inlet of the total wastewater tank 10 is connected with a sewage drain pipe 51 of the cooling tower 50 for collecting sewage drain wastewater. Specifically, in the cooling tower 50, as the circulating cooling water is concentrated during the evaporation, the salt content of the circulating cooling water is increased, so that a part of the circulating water, that is, the sewage waste water, needs to be discharged.
The desalination assembly includes: a multi-media filter 21, a self-cleaning filter 22, an ultra-filter 23, and a reverse osmosis cartridge filter 24. The water outlet of the total wastewater tank 10 is connected with a multi-medium filter 21, a self-cleaning filter 22, an ultra-filter 23 and a reverse osmosis cartridge filter 24 in sequence through a wastewater pump 11, and then is connected with a cooling tower water collecting tank 40. The multi-medium filter 21, the self-cleaning filter 22, the ultra-filter 23 and the reverse osmosis cartridge filter 24 sequentially remove salt in the sewage and wastewater, so that the quality of the sewage and wastewater can be improved, and the reclaimed water which can be reused as the circulating cooling water can be formed. The cooling tower sump 40 is used to collect this portion of the regenerant water.
The detection assembly includes: a detector 31 and a doser 32; the detector 31 is connected with the cooling tower water collecting tank 40 and is used for detecting the chloride ion concentration, the calcium ion concentration, the hardness and the alkalinity of the liquid in the cooling tower water collecting tank 40 according to a first preset period; the chemical feeder 32 is connected to the cooling tower sump 40 for adding sulfuric acid solution, scale inhibitor and bactericide to the cooling tower sump 40 at a second predetermined period.
Specifically, the detector 31 can also be used to detect COD, ammonia nitrogen content, total nitrogen and total phosphorus content in the cooling tower sump 40, thereby enabling periodic detection and analysis of the quality of the reclaimed water. In the embodiment, the occurrence of corrosion or scaling of the recycled water recycling system can be reduced by measuring the chloride ion concentration, the calcium ion concentration, the hardness and the alkalinity of the recycled water. Meanwhile, in the embodiment, the sulfuric acid solution, the scale inhibitor and the bactericide are added periodically through the drug adding device, so that scaling and corrosion can be further prevented, and the problem of microorganism breeding is reduced.
In another embodiment, the detection assembly further comprises: the device comprises a sulfuric acid liquid storage tank, an acid adding pump, a processor and a PH detector; the sulfuric acid storage tank is connected with the drug adding device 32 through an acid adding pump; the PH detector is connected with the cooling tower water collecting tank and is used for detecting the PH value of the cooling tower water collecting tank 40; the processor is electrically connected with the acid adding pump and the PH detector and is used for controlling the start and stop of the acid adding pump according to the PH value.
Wherein the sulfuric acid liquid storage tank is used for storing sulfuric acid solution; the acid adding pump is connected with the sulfuric acid liquid storage tank and the drug adding device 32, and can drive the solution in the sulfuric acid liquid storage tank to be sprayed out of the drug adding device 32 when the acid adding pump is started. The automatic addition of sulfuric acid solution after the detection of the PH of the cooling tower sump 40 can be accomplished by the processor and PH detector.
In a more specific embodiment, an intermediate water tank 12 and an ultrafiltration water inlet pump 13 are also arranged between the multi-media filter 21 and the self-cleaning filter 22. After passing through the multi-medium filter 21, the sewage is temporarily stored in the intermediate water tank 12, and then is output to the self-cleaning filter 22 and the ultra-filter 23 through the ultra-filtration water inlet pump 13.
Correspondingly, an ultrafiltration water tank 14, a reverse osmosis water feed pump 15 and a reverse osmosis high-pressure pump 16 can be arranged between the ultrafiltration 23 and the reverse osmosis cartridge filter 24; the sewage after ultrafiltration by the ultrafilter 23 is stored in the ultrafilter tank 14, and then is output to the reverse osmosis cartridge filter 24 through the reverse osmosis feed water pump 15 and the reverse osmosis high pressure pump 16.
Further, the detection assembly further comprises: metal hanging sheet and weighing device; the metal hanging sheet stretches into the cooling tower water collecting tank 40; the weighing machine is used for measuring the mass of the metal hanging sheet taken out according to a third preset period.
In a more specific embodiment, the metal hanger may be: copper sheets and iron sheets.
The corrosion rate of the reclaimed water can be measured by removing the metal hanging sheet according to a third preset period and weighing the metal hanging sheet by a weighing device, so that the corrosion condition of the pipeline equipment is predicted.
Further, a rain pool 60 is included; the rain water tank 60 is connected to the cooling tower sump 40 through a rain water pump 61 and a rain water filter 62.
Precipitation may be collected in rainy days by means of a rain basin 60. The rain water basin 60 may be located at the top of the plant where the system is located, etc.
Further, a concentrate tank 70 is included; the desalination assembly further comprises: a reverse osmosis cassette 25; a reverse osmosis cassette 25 for performing reverse osmosis; the water outlet of the reverse osmosis cartridge filter 24 is connected with a reverse osmosis proceeding tank 25, and the reverse osmosis proceeding tank 25 is connected with a cooling tower water collecting tank 40; the concentrate tank 70 is connected to the reverse osmosis process tank 25 for collecting the reverse osmosis concentrate.
Specifically, fresh water obtained by reverse osmosis in the reverse osmosis tank 25 is introduced into the cooling tower sump 40, and concentrated water is introduced into the concentrated water tank 70. The concentrated water tank 70 is connected with the cold slag box 72 through the concentrated water pump 71 to collect, so that the concentrated water can be reused, and the economic benefit is improved.
Further, the self-cleaning filter 22 and the ultrafilter 23 are connected with the total wastewater tank 10 through the backwashing water pipe 26, and backwash water of the self-cleaning filter 22 and the ultrafilter 23 is converged to the total wastewater tank 10 through the backwashing water pipe 10, so that the self-cleaning filter 22 and the ultrafilter 23 can be recycled, and the utilization rate of sewage and wastewater is improved.
Further, a backwash water clarifier 80 is included; the multi-medium filter 21 is connected with a backwash water clarifier 80 through a backwash water pipe 27; the backwash water clarification tank 80 is connected to the total wastewater tank 10 through a clear liquid pipe 85 for collecting backwash water of the multi-media filter 21 through a backwash water pipe 27 and for converging the clarified supernatant of the backwash water to the total wastewater tank 10 through the clear liquid pipe 85.
Specifically, the back flush water after back flushing of the multi-medium filter 21 enters the back flush water clarifying tank 80 through the back flush water pipe 27 for standing and clarifying, and the clarified supernatant part flows back to the total wastewater tank 10 through the clear liquid pipe 85 for reuse, so that the utilization rate of sewage and wastewater can be further improved. The sinking part in the backwash water clarification tank 80 is output to a sludge thickening tank 82 through a sludge pump 81, dehydrated by a sludge dehydrator 83 and then enters an incineration area 84 for dry sludge incineration treatment. The treated dry sludge and the part in the cold slag box 70 can be used for manufacturing lime and the like, so that the economic benefit is further improved.
Further, the total wastewater tank 10 is also connected to a production wastewater tank 90 for collecting production wastewater.
Specifically, the production wastewater tank 90 is connected to the total wastewater tank 10 through the production wastewater pump 91 and the production water filter 92, so that the production wastewater can be reused, water saving is realized, and good social economy and environmental benefits are produced.
While the present invention has been described in detail with reference to the examples, it will be apparent to those skilled in the art that the foregoing examples can be modified or equivalents substituted for some of the features thereof, and any modifications, equivalents, improvements and substitutions made therein are intended to be within the spirit and principles of the present invention.
Claims (10)
1. A reclaimed water recycling system, comprising: a total wastewater tank, a desalting assembly, a detection and prevention assembly and a cooling tower water collecting tank;
the water inlet of the waste water main tank is connected with a sewage drain pipeline of the cooling tower and is used for collecting sewage drain waste water;
the desalination assembly comprises: multi-media filters, self-cleaning filters, ultra-filters, reverse osmosis cartridge filters;
the water outlet of the total wastewater pool is connected with the multi-medium filter, the self-cleaning filter, the ultrafilter and the reverse osmosis cartridge filter in sequence through a wastewater pump and then is connected with the cooling tower water collecting pool;
the detection assembly includes: a detector and a doser;
the detector is connected with the cooling tower water collecting tank and is used for detecting the chloride ion concentration, the calcium ion concentration, the hardness and the alkalinity of the liquid in the cooling tower water collecting tank according to a first preset period;
the chemical feeder is connected with the cooling tower water collecting tank and is used for adding sulfuric acid solution, scale inhibitor and bactericide into the cooling tower water collecting tank according to a second preset period.
2. The regenerant water recycling system according to claim 1, wherein said detection assembly further comprises: metal hanging sheet and weighing device;
the metal hanging sheet stretches into the cooling tower water collecting tank;
the weighing device is used for measuring the mass of the metal hanging sheet taken out according to a third preset period.
3. The regenerant water recycling system according to claim 2, wherein said metal hanger comprises: copper sheets and iron sheets.
4. The regenerant water recycling system according to claim 1, wherein said detection assembly further comprises: the device comprises a sulfuric acid liquid storage tank, an acid adding pump, a processor and a PH detector;
the sulfuric acid liquid storage tank is connected with the drug adding device through the acid adding pump;
the PH detector is connected with the cooling tower water collecting tank and is used for detecting the PH value of the cooling tower water collecting tank;
the processor is electrically connected with the acid adding pump and the PH detector and is used for controlling the start and stop of the acid adding pump according to the PH value.
5. The regenerant water recycling system according to claim 1, wherein said detector is further configured to detect COD, ammonia nitrogen content, total nitrogen content and total phosphorus content in said cooling tower sump.
6. The regenerant water recycling system according to claim 1, further comprising a rain water tank;
the rainwater pond is connected with the cooling tower water collecting pond through a rainwater pump and a rainwater filter.
7. The regenerant water recycling system according to claim 1, further comprising a concentrate pool;
the desalination assembly further comprises: reverse osmosis process tank;
the reverse osmosis carrying out box is used for carrying out reverse osmosis;
the water outlet of the reverse osmosis cartridge filter is connected with the reverse osmosis proceeding box, and the reverse osmosis proceeding box is connected with the cooling tower water collecting tank;
the concentrated water tank is connected with the reverse osmosis carrying out tank and is used for collecting concentrated water after reverse osmosis.
8. The regenerant water recycling system according to claim 1, wherein said self-cleaning filter and said ultrafilter are both connected to said total wastewater tank via backwash water pipes for merging backwash water of said self-cleaning filter and ultrafilter to said total wastewater tank via said backwash water pipes.
9. The regenerant water recycling system according to claim 8, further comprising a backwash water clarifier;
the multi-medium filter is connected with the backwash water clarification tank through a backwash water pipe;
the back flush water clarifying tank is connected with the waste water total tank through a clear liquid pipe, is used for collecting back flush water of the multi-medium filter through the back flush water pipe, and is used for converging supernatant liquid after the back flush water is clarified to the waste water total tank through the clear liquid pipe.
10. The reclaimed water recycling system of claim 1, wherein the total wastewater tank is further connected to a process wastewater tank for collecting process wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN201648189U (en) * | 2010-03-07 | 2010-11-24 | 上海东硕环保科技有限公司 | Separating and combining device for regenerating and reclaiming film of electronic industrial wastewater |
| CN203382595U (en) * | 2013-07-19 | 2014-01-08 | 中化重庆涪陵化工有限公司 | Wastewater recovery and reutilization system by industrial desalination process |
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| CN113548754A (en) * | 2021-08-13 | 2021-10-26 | 江苏舜维环境工程有限公司 | Double-membrane treatment system for circulating cooling water treatment |
| CN216946459U (en) * | 2021-11-12 | 2022-07-12 | 戈润(宁波)环保科技有限公司 | Sewage and waste water recovery device for industrial circulating cooling water |
| CN217578497U (en) * | 2022-02-10 | 2022-10-14 | 广州环投云山环保能源有限公司 | Zero-emission treatment system for circular water bypass |
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| CN204752397U (en) * | 2015-04-24 | 2015-11-11 | 山东恒安纸业有限公司 | Papermaking advanced waste treatment system |
| CN113548754A (en) * | 2021-08-13 | 2021-10-26 | 江苏舜维环境工程有限公司 | Double-membrane treatment system for circulating cooling water treatment |
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