CN207347349U - A kind of Circulating Cooling Water of Power Plant blowdown reclaiming system - Google Patents
A kind of Circulating Cooling Water of Power Plant blowdown reclaiming system Download PDFInfo
- Publication number
- CN207347349U CN207347349U CN201721061398.5U CN201721061398U CN207347349U CN 207347349 U CN207347349 U CN 207347349U CN 201721061398 U CN201721061398 U CN 201721061398U CN 207347349 U CN207347349 U CN 207347349U
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- CN
- China
- Prior art keywords
- water
- reverse osmosis
- cooling water
- water inlet
- blowdown
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
It the utility model is related to sewage treatment systems technology field, specifically a kind of Circulating Cooling Water of Power Plant blowdown reclaiming system, the Circulating water effluent mouth of recirculating cooling water system are sequentially connected the water inlet of pipeline mixing device, raw water elevator pump, the water inlet in O3 contacted oxidation pond, the water inlet of biological activated carbon filter, the water inlet of tubular type micro-filtration, the water inlet of micro-filtration water producing tank, booster pump, cartridge filter, reverse osmosis high-pressure pump, reverse osmosis membrane processing device, reverse osmosis produced water tank, reuse water pump, the water inlet of recirculating cooling water system using pipeline.The utility model is compared with the existing technology, biological treatment is carried out by carrying out water source recirculating water blowdown water in ozone oxidation and biological activated carbon filter pair in O3 contacted oxidation pond, effectively reduce the dirty component of cause in water and the content of organics of difficult degradation, the fouling membrane of follow-up tubular type micro-filtration and reverse osmosis unit is avoided, effectively improves film service life.
Description
Technical field
Sewage treatment systems technology field is the utility model is related to, specifically a kind of Circulating Cooling Water of Power Plant blowdown
Reclaiming system.
Background technology
Thermal power plant generally use circulating cooling tower provides cooling water for boiler and its subsidiary engine, recirculated cooling water blowdown because
Its water quality has a degree of pollution, containing into impurity such as dirty chemical ion, organic compound, suspended particulate and microorganisms, one
As the processing mode that generally uses of power plant be all directly to discharge it, caused by water resource waste and environmental pollution.
Traditional processing mode obviously constrains the sustainable development of enterprise, while brine waste can cause dirt to environment
Dye.In addition, under shortage of water resources and the overall situation of national energy-saving emission reduction, it is desirable to which for this part, brine waste is handled back
With reaching wastewater zero discharge.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, it is proposed that a kind of recirculating water blowdown water of effectively improving
The Reuse of Wastewater Form Circulating Cooling Water processing system of recovery utilization rate.
To achieve the above object, a kind of Circulating Cooling Water of Power Plant blowdown reclaiming system is designed, it is characterised in that：
The Circulating water effluent mouth of recirculating cooling water system is sequentially connected the water inlet of pipeline mixing device, raw water using pipeline
Elevator pump, the water inlet in O3 contacted oxidation pond, the water inlet of biological activated carbon filter, the water inlet, micro- of tubular type micro-filtration
Filter water inlet, booster pump, cartridge filter, reverse osmosis high-pressure pump, reverse osmosis membrane processing device, the reverse osmosis produced water of water producing tank
Case, reuse water pump, the water inlet of recirculating cooling water system；
The dosing of the pipeline mixing device is connected after the outlet of one coagulator, the outlet of softening agent chemicals dosing plant and pipe
Mouthful；
The gas outlet of O3 contacted oxidation pond air inlet connection ozone generator；
Two-way connection scale remover chemicals dosing plant, reducing agent is also divided to add on pipeline between the micro-filtration water producing tank and booster pump
Medicine device；
The spray of negative pressure that the brine outlet connection of the reverse osmosis membrane processing device carries out strong brine crystallization treatment steams
Send out processing system.
The pipeline mixing device is additionally provided with dosing mouth, and the dosing mouth connects chemicals dosing plant, what chemicals dosing plant added
Medicament is coagulant polymeric ferric sulfate, softening agent sodium carbonate.
The reverse osmosis unit includes cartridge filter, high-pressure pump, reverse osmosis membrane processing device.After booster pump is lifted
Micro-filtration water outlet enter cartridge filter water inlet, cartridge filter water outlet is connected with high-pressure pump water inlet, and high pressure pumps out
The mouth of a river is connected with reverse osmosis membrane processing device water inlet.
Reverse osmosis membrane processing device is additionally provided with reverse osmosis concentrated water outlet, reverse osmosis concentrated water outlet connection negative pressure
Spray evaporation processing system, crystallization treatment is carried out to strong brine.
The utility model is compared with the existing technology, living by carrying out ozone oxidation and biology in O3 contacted oxidation pond
Property carbon filtering pool centering water source recirculating water blowdown water carry out biological treatment, effectively reduce the dirty component of the cause in water and difficult degradation has
Machine thing content, avoids the fouling membrane of follow-up tubular type micro-filtration and reverse osmosis unit, effectively improves film service life；Tubular type micro-filtration fills
Circulating water effluent pretreating process flow can be simplified by putting, and reduce occupation area of equipment and equipment operation maintenance cost；Negative pressure is sprayed
Mist evaporation process system carries out curing process to reverse osmosis concentrated water, that is, improves Circulating water effluent recovery utilization rate, while energy saving
Emission reduction, realizes the purpose of zero-emission.
Brief description of the drawings
Fig. 1 is the connection diagram of the utility model.
Referring to Fig. 1,1 is pipeline mixing device, and 2 be raw water elevator pump, and 3 be O3 contacted oxidation pond, and 4 be biological activated carbon
Filter tank, 5 be tubular type micro-filtration, and 6 be micro-filtration water producing tank, and 7 be booster pump, and 8 be cartridge filter, and 9 pump for reverse osmosis high-pressure, 10
For reverse osmosis membrane processing device, 11 be reverse osmosis produced water tank, and 12 be reuse water pump, and 13 be spray of negative pressure evaporation process system, 14
It is softening agent chemicals dosing plant for coagulant drug-adding device, 15,16 be ozone generator, and 17 be antisludging agent chemicals dosing plant, and 18 is also
Former agent chemicals dosing plant.
Embodiment
In conjunction with attached drawing, the utility model is further described.
Referring to Fig. 1, the recirculating water blowdown water of recirculating cooling water system 19 is through pipeline mixing device 1 and coagulant drug-adding device
After the sodium carbonate hybrid reaction that 14 bodied ferric sulfates added and softening agent chemicals dosing plant 15 add, increase through raw water elevator pump 2
Pressure is promoted to O3 contacted oxidation pond 3, and sufficient contact oxidation is carried out with the ozone that ozone generator 16 produces；Ozone connects
The water outlet for touching oxidation pond 3 carries out biodegradable filtering into biological activated carbon filter 4, and the water outlet of biological activated carbon filter 4 enters
Tubular type micro-filtration 5, further removes in water removal the suspended particulate being relatively large in diameter；The water outlet of tubular type micro-filtration 5 is produced into micro-filtration
Water tank 6,6 water outlet of micro-filtration water producing tank and antisludging agent chemicals dosing plant 17 add antisludging agent --- Sodium Polyacrylate and reducing agent add
The reducing agent that medicine device 18 adds --- after sodium hydrogensulfite mixing, cartridge filter 8 is promoted to through the supercharging of booster pump 7, is ensured public security
The water outlet of filter 8 pumps 9 second lifts to reverse osmosis membrane processing device 10 through reverse osmosis high-pressure, reverse osmosis membrane processing device 10
Water outlet enters reverse osmosis produced water tank 11, through 12 reuse of reuse water pump to recirculating cooling water system 19.
The strong brine of reverse osmosis membrane processing device 10 crystallizes strong brine into spray of negative pressure evaporation process system 13
Processing.
TOC ratios are 3: 1 in ozone amount needed for O3 contacted oxidation pond 3 and recirculating water blowdown water, during ozone oxidation reaction
Between be 30min；
The carbon leaching material particle diameter of biological activated carbon filter 4 is 0.5-1.0mm, filtering velocity 11m/h, and filtering layer depth is
2.0m。
Recirculating water blowdown water reaches the removal rate of COD after one biological activated carbon filtration treatment of O3 contacted oxidation
60%.
The filtering accuracy of tubular type micro-filtration 5 is 0.1 μm, and the method for operation is cross-flow, and design membrane flux is 450L/m2H, film
Material is PVDF, it produces water turbidity ＜ 1NTU, and can effectively protect reverse osmosis membrane processing device 10, is up to the removal rate of COD
75%.
10 operating pressure of reverse osmosis membrane processing device is 1.1MPa, and arrangement mode uses level-one two-part, and membrane component uses
Scroll-type anti-pollution reverse osmosis membrane, design membrane flux are 22L/m2H, rate of recovery ＞ 75%.
Claims (6)
- A kind of 1. Circulating Cooling Water of Power Plant blowdown reclaiming system, it is characterised in that：The Circulating water effluent mouth of recirculating cooling water system (19) using pipeline be sequentially connected pipeline mixing device (1) water inlet, Raw water elevator pump, the water inlet of O3 contacted oxidation pond (3), the water inlet of biological activated carbon filter (4), tubular type micro-filtration (5) it is water inlet, the water inlet of micro-filtration water producing tank (6), booster pump (7), cartridge filter (8), reverse osmosis high-pressure pump (9), anti- Permeate membrane treatment appts (10), reverse osmosis produced water tank (11), reuse water pump (12), the water inlet of recirculating cooling water system (19)；The dosing mouth connection chemicals dosing plant of the pipeline mixing device (1)；The gas outlet of O3 contacted oxidation pond (3) the air inlet connection ozone generator (16)；Two-way is also divided to be connected scale remover chemicals dosing plant (17), go back on pipeline between the micro-filtration water producing tank (6) and booster pump (7) Former agent chemicals dosing plant (18)；The spray of negative pressure that the brine outlet connection of the reverse osmosis membrane processing device (10) carries out strong brine crystallization treatment steams Send out processing system (13).
- A kind of 2. Circulating Cooling Water of Power Plant blowdown reclaiming system as claimed in claim 1, it is characterised in that：The dosing Device includes coagulator (14), softening agent chemicals dosing plant (15), the coagulator (14) outlet, softening agent chemicals dosing plant (15) Outlet and pipe after connect the dosing mouth of the pipeline mixing device (1).
- A kind of 3. Circulating Cooling Water of Power Plant blowdown reclaiming system as claimed in claim 2, it is characterised in that：The coagulation Being launched in device (14) has coagulant polymeric ferric sulfate.
- A kind of 4. Circulating Cooling Water of Power Plant blowdown reclaiming system as claimed in claim 2, it is characterised in that：The softening Being launched in agent chemicals dosing plant (15) has sodium carbonate.
- A kind of 5. Circulating Cooling Water of Power Plant blowdown reclaiming system as claimed in claim 1, it is characterised in that：The tubular type is micro- The filtering accuracy for filtering device (5) is 0.1 μm, and the method for operation is cross-flow, membrane flux 450L/m2H, membrane material PVDF, it is produced Water turbidity ＜ 1NTU.
- A kind of 6. Circulating Cooling Water of Power Plant blowdown reclaiming system as claimed in claim 1, it is characterised in that：It is described reverse osmosis The operating pressure of membrane treatment appts (10) is 1.1MPa, and arrangement mode uses level-one two-part, and reverse osmosis membrane is resisted using scroll-type Pollute reverse osmosis membrane, membrane flux 22L/m2H, rate of recovery ＞ 75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721061398.5U CN207347349U (en) | 2017-08-23 | 2017-08-23 | A kind of Circulating Cooling Water of Power Plant blowdown reclaiming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721061398.5U CN207347349U (en) | 2017-08-23 | 2017-08-23 | A kind of Circulating Cooling Water of Power Plant blowdown reclaiming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207347349U true CN207347349U (en) | 2018-05-11 |
Family
ID=62411703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721061398.5U Expired - Fee Related CN207347349U (en) | 2017-08-23 | 2017-08-23 | A kind of Circulating Cooling Water of Power Plant blowdown reclaiming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207347349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340207A (en) * | 2022-07-27 | 2022-11-15 | 北京京能能源技术研究有限责任公司 | Method for treating wastewater discharged by circulating water by using reclaimed water source |
-
2017
- 2017-08-23 CN CN201721061398.5U patent/CN207347349U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115340207A (en) * | 2022-07-27 | 2022-11-15 | 北京京能能源技术研究有限责任公司 | Method for treating wastewater discharged by circulating water by using reclaimed water source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20210823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |