CN112707535A - Circulating water blowdown water cycle recycle processing system of thermal power plant - Google Patents
Circulating water blowdown water cycle recycle processing system of thermal power plant Download PDFInfo
- Publication number
- CN112707535A CN112707535A CN202011344649.7A CN202011344649A CN112707535A CN 112707535 A CN112707535 A CN 112707535A CN 202011344649 A CN202011344649 A CN 202011344649A CN 112707535 A CN112707535 A CN 112707535A
- Authority
- CN
- China
- Prior art keywords
- water
- tank
- reverse osmosis
- softening
- thermal power
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or 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
- C02F1/441—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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
-
- 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
- C02F5/02—Softening water by precipitation of the hardness
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
本发明涉及火电厂废水深度处理及回用技术领域，具体涉及一种火电厂循环水排污水循环再利用处理系统，包括除有机物单元、微滤设备、软化单元和膜处理单元；除有机物单元包括循环水排污水缓冲池，循环水排污水缓冲池依次连接有提升泵和微絮凝器；软化单元包括中间水池，中间水池进水端端与微絮凝器连接，出水端依次连通有第一软化罐和第二软化罐；除有机物单元和软化单元均与微滤设备连接；膜处理单元包括酸碱度调节池和反渗透系统，酸碱度调节池一端与第二软化罐连通，酸碱度调节池另一端与反渗透系统输入端连通；反渗透系统输出端分别为反渗透产水箱和反渗透浓水箱。本发明能够解决现有设备预处理不完善、膜污堵严重、系统回收率低等问题。
The invention relates to the technical field of advanced treatment and reuse of waste water in thermal power plants, in particular to a recycling and reuse treatment system for circulating water and sewage in thermal power plants, comprising an organic removal unit, a microfiltration device, a softening unit and a membrane treatment unit; the organic removal unit includes a cycle The water and sewage buffer tank, the circulating water and sewage buffer tank is sequentially connected with a lift pump and a micro-flocculator; the softening unit includes an intermediate water tank, the water inlet end of the intermediate water tank is connected with the micro-flocculator, and the water outlet end is sequentially connected with a first softening tank and a micro-flocculator. The second softening tank; both the organic removal unit and the softening unit are connected to the microfiltration equipment; the membrane treatment unit includes a pH adjustment tank and a reverse osmosis system, one end of the pH adjustment tank is connected to the second softening tank, and the other end of the pH adjustment tank is connected to the reverse osmosis system The input ends are connected; the output ends of the reverse osmosis system are respectively the reverse osmosis production water tank and the reverse osmosis concentrated water tank. The invention can solve the problems of imperfect pretreatment of existing equipment, serious membrane fouling, low system recovery rate and the like.
Description
Technical Field
The invention relates to the technical field of advanced treatment and recycling of waste water of a thermal power plant, in particular to a circulating water and sewage recycling treatment system of the thermal power plant.
Background
The water resource is used as a basic and strategic resource and has important significance on the sustainable development of the society, the country has stricter control on industrial water, the thermal power plant is used as a large industrial water consumer, the water consumption and the water discharge are huge, and meanwhile, the thermal power plant is also used as a large waste water discharge consumer, so that the recycling of the circulating water and sewage is significant on the water saving work. Under the condition of current water resource shortage, partial cities begin to reduce the supply of tap water to thermal power plants or limit the access of the tap water to underground water, so in order to ensure the safety of units and the requirements of water use and reduce environmental pollution, the power plants begin to use the reclaimed water of the cities as boiler make-up water after advanced treatment. The circulating water sewage is the main water consumption part of the thermal power plant, and the sewage reuse is one of effective ways for relieving the water resource crisis and protecting the water environment. Industrial sewage generated by a thermal power plant is a very serious problem faced by the existing thermal power plant, and a series of means are developed in various places to treat the industrial sewage. Through researching the treatment process for recycling the circulating water pollution discharge of the thermal power plant, the sewage can be reused after being treated. At present, most circulating cooling type power plants improve the concentration ratio by strengthening the pretreatment of raw water, preferably selecting a water stabilizer and upgrading condenser pipes; the circulating water sewage is reused as water for desulfurization, coal conveying and slag removal, but a large amount of residual circulating water sewage needs to be discharged. In addition, a few power plants adopt a reverse osmosis process to desalt and recycle circulating water and sewage, but all have the problems of incomplete pretreatment, serious membrane fouling, low system recovery rate and the like.
Disclosure of Invention
The invention aims to: the circulating sewage recycling treatment system for the thermal power plant can overcome the problems in the prior art.
The technical scheme of the invention is as follows:
the utility model provides a thermal power plant's circulating water blowdown water cycle recycle processing system which characterized in that: comprises an organic matter removing unit, a microfiltration device, a softening unit and a membrane treatment unit; the organic matter removing unit comprises a circulating water and sewage buffer tank, and the circulating water and sewage buffer tank is sequentially connected with a lifting pump and a micro-flocculator; the softening unit comprises an intermediate water tank, the water inlet end of the intermediate water tank is connected with the micro flocculator, and the water outlet end of the intermediate water tank is sequentially communicated with a first softening tank and a second softening tank; the organic matter removing unit and the softening unit are both connected with microfiltration equipment; the membrane treatment unit comprises a pH value adjusting tank and a reverse osmosis system, one end of the pH value adjusting tank is communicated with the second softening tank, and the other end of the pH value adjusting tank is communicated with the input end of the reverse osmosis system; the output end of the reverse osmosis system is respectively connected with a reverse osmosis water production tank and a reverse osmosis concentrated water tank.
Furthermore, circulating water blowdown buffer pool be provided with inlet tube and medicament and put in the device, install electromagnetic flowmeter on the inlet tube.
Furthermore, the lift pump is controlled by frequency conversion and speed regulation.
Furthermore, the inlet end of the microfiltration equipment is respectively connected with the micro-flocculator and the second softening tank, and the clear water outlet end of the microfiltration equipment is respectively connected with the circulating water sewage buffer tank and the middle water tank.
Furthermore, the micro-flocculator is provided with a stirring paddle and a medicament feeding device, and the bottom of the micro-flocculator is provided with a sewage draining hole which is communicated with the inlet end of the microfiltration device.
Further, first softening tank be provided with stirring rake and medicament and put in the device, the second is softened the jar and is provided with stirring rake and medicament and puts in the device, the second is softened tank bottoms portion and is provided with the blowoff hole, the blowoff hole communicates with the entry end of micro-filtration equipment.
Furthermore, an ultrafiltration device and an ultrafiltration water production tank are connected between the pH value regulating tank and the reverse osmosis system.
Furthermore, a medicament feeding device is arranged on the pH value adjusting tank.
Furthermore, the reverse osmosis water production tank is connected with a clean water outlet end of the reverse osmosis system to form boiler make-up water.
Furthermore, the reverse osmosis concentrated water tank is connected with a sewage outlet end of the reverse osmosis system to form water for the desulfurization process.
The invention has the beneficial effects that:
the invention provides a circulating sewage recycling treatment system for thermal power plant circulating water, which has the following beneficial effects:
1. the organic matter removing unit adopts a method of reinforced coagulation, can effectively remove organic matters in circulation, is beneficial to reducing the adding amount of a coagulant by adding an acidic medicament, improves the removing effect of the organic matters, can remove residual scale inhibitor and corrosion inhibitor in the circulating water, and reduces organic matter pollution of a subsequent membrane system;
2. the electromagnetic flowmeter on the circulating water sewage buffer tank is convenient for controlling the sewage discharge amount of the cooling tower.
3. The softening unit adopts the first softening tank and the second softening tank to carry out secondary softening, so that structural substances in circulating water can be effectively removed; the inorganic pollution of a subsequent membrane system is reduced, and the cost is reduced;
4. the stirring paddle is convenient for fully stirring the sewage and the added medicament, and the medicament adding device is arranged to facilitate adding the medicament;
5. the membrane treatment unit can effectively desalt the circulating water and sewage, and the recovery rate of the system is high;
6. the microfiltration equipment can return clear water to the circulating water sewage buffer pool and the intermediate pool for recycling treatment again, further concentrate residual sludge and concentrated water, and finally transport the residual sludge and the concentrated water in a mud cake form, so that the recovery rate is high.
In conclusion, the circulating water sewage buffer tank and the micro-flocculator form an enhanced coagulation effect, can effectively remove organic matters in the circulating water sewage, reduce organic pollution of a subsequent membrane system and solve the problem of serious membrane fouling blockage; the secondary softening lightens the inorganic pollution of a subsequent membrane system; the micro-filtration equipment removes suspended matters, bacteria, organic matters, colloidal silica and the like in the sewage; the reverse osmosis technology has become a reliable desalination technology in many fields, a reverse osmosis system does not need acid or alkali, does not generate acid or alkali wastewater, and has low cost and high reverse osmosis recovery rate, thereby completing the recycling of the advanced treatment of the circulating water sewage.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a membrane treatment unit according to the present invention.
In the figure: 1. a circulating water sewage buffer tank; 2. a lift pump; 3. a micro-flocculator; 4. a middle water tank; 5. a first softening tank; 6. A second softening tank; 7. a membrane treatment unit 8, a pH value adjusting tank; 9. a reverse osmosis system; 10. a reverse osmosis water production tank; 11. a reverse osmosis concentrated water tank; 12. an electromagnetic flow meter; 13. a stirring paddle; 14. microfiltration equipment; 15. an ultrafiltration device; 16. an ultrafiltration water production tank; 17. mud cakes; 18. water for desulfurization process; 19. boiler make-up water.
The specific implementation mode is as follows:
specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted at the outset that the discussion of any embodiment of the present invention is illustrative only and is not intended to suggest that the scope of the present disclosure (including the claims) is limited to these examples; there are many other variations of the different aspects of the invention as described above which are not provided in detail for the sake of brevity. Accordingly, other embodiments are within the scope of the following claims.
In addition, the drawings in the following description are only preferred embodiments of the present invention, and it is obvious to those skilled in the art that other drawings can be obtained based on the drawings without inventive efforts. In addition, the present invention is not limited to these embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
As shown in attached drawings 1 and 2, the circulating water and sewage recycling treatment system for the thermal power plant is characterized in that: comprises an organic matter removing unit, a microfiltration device 14, a softening unit and a membrane treatment unit 7; the organic matter removing unit comprises a circulating water and sewage buffer tank 1, and the circulating water and sewage buffer tank 1 is sequentially connected with a lifting pump 2 and a micro-flocculator 3; the softening unit comprises a middle water tank 4, the water inlet end of the middle water tank 4 is connected with the micro flocculator 3, the water outlet end of the middle water tank 4 is sequentially communicated with a first softening tank 5 and a second softening tank 6, and the first softening tank 5 and the second softening tank 6 are communicated; the organic matter removing unit and the softening unit are both connected with the microfiltration equipment 14; the membrane treatment unit 7 comprises a pH value adjusting tank 8 and a reverse osmosis system 9, one end of the pH value adjusting tank 8 is communicated with the second softening tank 6, and the other end of the pH value adjusting tank 8 is communicated with the input end of the reverse osmosis system 9; the output end of the reverse osmosis system 9 is respectively connected with a reverse osmosis water production tank 10 and a reverse osmosis concentrated water tank 11.
The circulating water sewage buffer tank 1 is provided with a water inlet pipe and an H2SO4The medicament feeding device is characterized in that an electromagnetic flow meter 12 is installed on the water inlet pipe, and the electromagnetic flow meter 12 is convenient for controlling the discharge capacity of the cooling tower. The lift pump 2 is controlled by frequency conversion and speed regulation. The organic matters in the circulation can be effectively removed through the reinforced coagulation of the organic matter removing unit, the addition of the acidic reagent is beneficial to reducing the adding amount of the coagulant, the organic matter removing effect is improved, meanwhile, the residual scale inhibitor and corrosion inhibitor in the circulating water can be removed, and the organic matter pollution of a subsequent membrane system is reduced.
The inlet end of the microfiltration device 14 is respectively connected with the micro-flocculator 3 and the second softening tank 6, and the clear water outlet end of the microfiltration device 14 is respectively connected with the circulating water sewage buffer tank 1 and the middle water tank 4. The micro-flocculator 3 is provided with a stirring paddle 13 and FeCl3Medicament delivery deviceAnd the bottom of the micro-flocculator 3 is provided with a sewage draining hole which is communicated with the inlet end of the microfiltration device 14.
First softening tank 5 be provided with stirring rake 13 and NaOH medicament and put in the device, second softening tank 6 is provided with stirring rake 13 and Na2CO3And a sewage draining hole is formed in the bottom of the second softening tank 6 and communicated with the inlet end of the microfiltration equipment 14. The softening unit adopts a first softening tank 5 and a second softening tank 6 for secondary softening, so that structural substances in circulating water can be effectively removed; the inorganic pollution of a subsequent membrane system is reduced, and the operation cost is reduced. The paddles 13 facilitate sufficient agitation between the sewage and the administered agent, and the agent administration means provided in each unit is intended to facilitate administration of the agent more easily.
As shown in fig. 2, an ultrafiltration device 15 and an ultrafiltration water-producing tank 16 are connected between the ph adjusting tank 8 and the reverse osmosis system 9. And the pH value regulating tank 8 is provided with an HCL medicament feeding device. The reverse osmosis water production tank 10 is connected with a clean water outlet end of the reverse osmosis system 9 to form boiler make-up water 19. The reverse osmosis concentrated water tank 11 is connected with a sewage outlet end of the reverse osmosis system 9 to form desulfurization process water 18. The membrane treatment unit 7 can effectively desalt the circulating sewage, and the system recovery rate is high; the microfiltration equipment 14 can return clear water to the circulating water sewage buffer tank 1 and the intermediate water tank 4 for recycling treatment again, and the residual sludge and the concentrated water are further concentrated and finally transported away in the form of mud cakes 17, so that the pollution of insoluble objects is reduced, and the sewage recycling rate is high.
This thermal power plant's circulating water blowdown water cycle recycle processing system in the concrete implementation:
firstly, circulating water sewage flowing out of a cooling tower enters a circulating water sewage buffer tank 1 through a water inlet pipe, the sewage discharge amount of the cooling tower is controlled through an electromagnetic flowmeter 12, then sulfuric acid is added according to the actual sewage discharge amount to adjust the PH value, and then the sewage enters a micro-flocculator 3 after passing through a lift pump 2; FeCl is then put into the medicament putting device of the micro-flocculator 33The agent is stirred by the stirring paddle 13 and then stands still, and the step aims at removing organic matters in the circulating water sewage; micro flocculationSludge formed in the device 3 is discharged into a microfiltration device 14 from a part of the micro-flocculator 3, and a part of sludge flows back to the circulating water sewage buffer tank 1 for secondary treatment; the solution in the micro flocculator 3 enters an intermediate water tank 4, after the intermediate water tank 4 is buffered, the solution enters a first softening tank 5 from the intermediate water tank 4, the NaOH agent is put in the agent putting device passing through the first softening tank 5, the solution adding the NaOH agent enters a second softening tank 6 after being fully stirred by a stirring paddle 13, and Na is put in the agent putting device of the second softening tank 62CO3The agent is fully stirred by the stirring paddle 13 to complete secondary softening, and Ca can be effectively removed in the process2+、Mg2 +TP and all-silicon, and the sludge formed in the softening process enters the microfiltration device 14, and the solution enters the ph adjusting tank 8 in the membrane treatment unit 7; after the sludge enters the microfiltration equipment 14 for treatment, clear water returns to the intermediate water tank 4 or the circulating sewage buffer tank 1, concentrated water is further concentrated, and finally the concentrated water is transported away in the form of mud cakes 17. The solution entering the pH value adjusting tank 8 is added with HCL through a medicament adding device to adjust the pH value, then enters the ultrafiltration device 15, flows into the ultrafiltration product water tank 16 after being filtered by the ultrafiltration device 15, and finally enters the reverse osmosis system 9, the reverse osmosis product water can be used as a boiler make-up water 19 water source, and the reverse osmosis concentrated water can be used as desulfurization process water 18. In specific implementation, the lift pump 2, the micro-flocculator 3 and the microfiltration equipment 14 can be installed among the treatment units according to the requirement, and the number of the micro-flocculator and the microfiltration equipment is set according to the actual sewage discharge amount of the cooling tower.
The main waste water of the thermal power plant comprises circulating water and sewage, the boiler make-up water treatment system can generate suspended waste water, acid-base regeneration waste water and reverse osmosis concentrated discharge water according to different process flows, the condensate fine treatment system can regenerate waste water, domestic sewage, coal-containing waste water and desulfurization waste water, and the waste water is classified, collected and recycled according to process characteristics. Because the salt content in the sewage of the cooling tower is high and the sewage also contains some suspended matters which are not easy to settle, such as fine coal particles, the recycling of the sewage must be filtered and desalted to remove the suspended matters and reduce the salt content. The reinforced coagulation in the system can effectively remove organic matters in the circulating water sewage, and reduce the organic pollution of a subsequent membrane system; the secondary softening lightens the inorganic pollution of a subsequent membrane system; the micro-filtration device 14 removes suspended matters, bacteria, organic matters, colloidal silica and the like in the sewage; the reverse osmosis technology is a reliable desalination technology in many fields, the reverse osmosis system 9 does not need acid or alkali, does not generate acid or alkali wastewater, has low cost, and the reverse osmosis recovery rate can reach 85 percent.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
It should be noted that the terms "first", "second", etc. are used to define the components, and are only used to facilitate distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, especially, have no special meaning in "main, secondary" or arrangement order, and therefore, should not be construed as limiting the scope of the present application.
Claims (10)
1. The utility model provides a thermal power plant's circulating water blowdown water cycle recycle processing system which characterized in that: comprises an organic matter removing unit, a microfiltration device (14), a softening unit and a membrane treatment unit (7); the organic matter removing unit comprises a circulating water and sewage buffer tank (1), and the circulating water and sewage buffer tank (1) is sequentially connected with a lifting pump (2) and a micro-flocculator (3); the softening unit comprises a middle water tank (4), the water inlet end of the middle water tank (4) is connected with the micro flocculator (3), and the water outlet end is sequentially communicated with a first softening tank (5) and a second softening tank (6); the organic matter removing unit and the softening unit are both connected with a microfiltration device (14); the membrane treatment unit (7) comprises a pH value adjusting tank (8) and a reverse osmosis system (9), one end of the pH value adjusting tank (8) is communicated with the second softening tank (6), and the other end of the pH value adjusting tank (8) is communicated with the input end of the reverse osmosis system (9); the output end of the reverse osmosis system (9) is respectively connected with a reverse osmosis water production tank (10) and a reverse osmosis concentrated water tank (11).
2. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: circulating water blowdown water buffer pool (1) be provided with inlet tube and medicament and put in the device, install electromagnetic flowmeter (12) on the inlet tube.
3. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: the lift pump (2) is controlled by frequency conversion and speed regulation.
4. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: the inlet end of the microfiltration device (14) is respectively connected with the micro-flocculator (3) and the second softening tank (6), and the clear water outlet end of the microfiltration device (14) is respectively connected with the circulating water sewage buffer tank (1) and the middle water tank (4).
5. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: the micro-flocculator (3) is provided with a stirring paddle (13) and a medicament feeding device, and the bottom of the micro-flocculator (3) is provided with a sewage draining hole which is communicated with the inlet end of the microfiltration device (14).
6. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: first softening jar (5) and second soften jar (6) all be provided with stirring rake (13) and medicament and put in the device, second softens jar (6) bottom and is provided with the blowoff hole, the blowoff hole communicates with the entry end of micro-filtration equipment (14).
7. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: an ultrafiltration water production tank (16) is connected between the pH value regulating tank (8) and the reverse osmosis system (9).
8. The thermal power plant circulating water blowdown water recycling treatment system of claim 7, characterized in that: and a medicament feeding device is arranged on the pH value regulating tank (8).
9. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: the reverse osmosis water production tank (10) is connected with a clean water outlet end of the reverse osmosis system (9).
10. The thermal power plant circulating water blowdown water recycling treatment system of claim 1, characterized in that: the reverse osmosis concentrated water tank (11) is connected with the sewage outlet end of the reverse osmosis system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011344649.7A CN112707535A (en) | 2020-11-26 | 2020-11-26 | Circulating water blowdown water cycle recycle processing system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011344649.7A CN112707535A (en) | 2020-11-26 | 2020-11-26 | Circulating water blowdown water cycle recycle processing system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112707535A true CN112707535A (en) | 2021-04-27 |
Family
ID=75542223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011344649.7A Pending CN112707535A (en) | 2020-11-26 | 2020-11-26 | Circulating water blowdown water cycle recycle processing system of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112707535A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754114A (en) * | 2021-09-09 | 2021-12-07 | 华能嘉祥发电有限公司 | Circulating water blowdown water processing system |
| CN114394711A (en) * | 2022-01-25 | 2022-04-26 | 国网河北省电力有限公司电力科学研究院 | High-hardness industrial wastewater flue gas bicarbonate and lime coagulation treatment system |
| WO2023142170A1 (en) * | 2022-01-25 | 2023-08-03 | 国网河北省电力有限公司电力科学研究院 | Method and system for reusing circulating water sewage as desulfurization process water |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678280A (en) * | 2019-02-27 | 2019-04-26 | 西安西热水务环保有限公司 | A kind of thermal power plant's high-recovery recirculating water blowdown water desalting processing reclaiming system |
-
2020
- 2020-11-26 CN CN202011344649.7A patent/CN112707535A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678280A (en) * | 2019-02-27 | 2019-04-26 | 西安西热水务环保有限公司 | A kind of thermal power plant's high-recovery recirculating water blowdown water desalting processing reclaiming system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754114A (en) * | 2021-09-09 | 2021-12-07 | 华能嘉祥发电有限公司 | Circulating water blowdown water processing system |
| CN114394711A (en) * | 2022-01-25 | 2022-04-26 | 国网河北省电力有限公司电力科学研究院 | High-hardness industrial wastewater flue gas bicarbonate and lime coagulation treatment system |
| WO2023142170A1 (en) * | 2022-01-25 | 2023-08-03 | 国网河北省电力有限公司电力科学研究院 | Method and system for reusing circulating water sewage as desulfurization process water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204824453U (en) | Desulfurization pretreatment of water device that gives up | |
| CN112707535A (en) | Circulating water blowdown water cycle recycle processing system of thermal power plant | |
| CN104098235B (en) | A kind of casing factory sewage water treatment method | |
| CN201713415U (en) | Dye wastewater treatment device | |
| CN103880206B (en) | Heavy metal wastewater advanced treatment method based on dynamic nucleation and flocculation of sludge | |
| CN210736456U (en) | Treatment device for zero discharge of landfill leachate in waste incineration power station | |
| CN201971688U (en) | A system for removing silicon and oil from oily sewage | |
| CN208120937U (en) | A kind of papermaking wastewater treatment system | |
| CN107840540A (en) | A palm oil wastewater treatment device and method thereof | |
| CN103979709A (en) | Combined softening processing system and method for circulating water and discharging water | |
| CN207108747U (en) | A kind of textile printing and dyeing wastewater processing system | |
| CN205241450U (en) | City normal water and steel wastewater be retrieval and utilization in system of iron and steel enterprise in grades jointly | |
| CN104986922A (en) | Sewage reuse system and sewage treatment method | |
| CN210656480U (en) | Adopt washing cigarette waste water retrieval and utilization processing apparatus of DTRO device | |
| CN220364447U (en) | Device for recycling regenerated wastewater of primary desalting system in segmented mode | |
| CN209456210U (en) | One kind is for the personal reasonable reclaiming system of water of Boiler water Feeding System | |
| CN206156907U (en) | Sewage treatment system is arranged in thermal power plant's circulation | |
| CN202924851U (en) | Fenton oxidization reaction-based fluoride waste water treatment device | |
| CN215102447U (en) | Processing apparatus of thermal power plant waste water | |
| CN110862172A (en) | A system and method for comprehensive purification of limestone-gypsum desulfurization wastewater | |
| CN117185515A (en) | Leachate treatment system and method for waste incineration power plant | |
| CN204198521U (en) | A kind of reverse osmosis concentrated water and high slat-containing wastewater efficiently process the equipment of recovery | |
| CN205347076U (en) | Contain salt sewage treatment system | |
| CN210764746U (en) | Adopt washing cigarette waste water retrieval and utilization processing apparatus of STRO device | |
| CN116854278A (en) | A fluoride and hardness removal system for coking wastewater and clean sewage and its process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210427 |