CN212025040U - Electrodialysis desalination treatment system for circulating water and sewage of thermal power plant - Google Patents
Electrodialysis desalination treatment system for circulating water and sewage of thermal power plant Download PDFInfo
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- CN212025040U CN212025040U CN201922339771.4U CN201922339771U CN212025040U CN 212025040 U CN212025040 U CN 212025040U CN 201922339771 U CN201922339771 U CN 201922339771U CN 212025040 U CN212025040 U CN 212025040U
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Abstract
The utility model discloses a thermal power plant circulating water blowdown water electrodialysis desalination treatment system, the export of circulating water blowdown pond is linked together through the entry of lime softening treatment system with middle pond, the export of middle pond is linked together with the entry of ceramic membrane ultrafiltration treatment system, the export of ceramic membrane ultrafiltration treatment system is linked together with the entry of ultrafiltration product water tank, the export of ultrafiltration product water tank is linked together with the entry of electrodialysis treatment system, the clear water export of electrodialysis treatment system is linked together with the entry of fresh water tank, the dense water export of electrodialysis treatment system is linked together with the entry of dense water tank; the sludge outlet of the lime softening treatment system and the wastewater outlet of the ceramic membrane ultrafiltration treatment system are communicated with the waste treatment system, the system realizes the treatment and recycling of the circulating water and sewage of the thermal power plant, the operating cost is low, and the economical efficiency is good.
Description
Technical Field
The utility model belongs to the waste water treatment field relates to a circulating water blowdown water electrodialysis desalination treatment system of thermal power plant.
Background
Circulating water sewage accounts for more than 70% of the total amount of the circulating cooling type thermal power plant wastewater, and the key for realizing water conservation and emission reduction of the thermal power plant is to treat and recycle the circulating water sewage. Under the condition of high concentration ratio operation of circulating water, the salt content, COD and SiO of the sewage2Various indexes such as hardness, alkalinity and the like are high, and the circulating water sewage treatment device contains a large amount of water quality stabilizer, thereby increasing the difficulty of circulating water sewage treatment. The reverse osmosis desalination technology is mostly adopted in the recycling treatment of the circulating water, and the processes of coagulation clarification, filtration and reverse osmosis desalination are mostly adopted, so that the problems of low reverse osmosis recovery rate, membrane fouling and blocking, scale inhibitor precipitation, system output reduction, frequent chemical cleaning and the like occur in the actual operation process due to the imperfect pretreatment design.
At present, a part of power plants optimize a pretreatment system for reverse osmosis treatment of circulating water, and a scheme of 'two-stage softening + medium filtration + ultrafiltration + reverse osmosis' is provided. In addition, lime, sodium carbonate, a coagulant aid, acid, alkali, a scale inhibitor, a reducing agent and other various medicaments need to be added in the operation process, the operation cost is high, and the economical efficiency of system operation is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a circulating water blowdown water electrodialysis desalination treatment system of thermal power plant, this system realizes the processing retrieval and utilization of circulating water blowdown of thermal power plant, and the working costs is lower, and the economic nature is better.
In order to achieve the purpose, the electrodialysis desalination treatment return system for the circulating water and sewage of the thermal power plant comprises a circulating water and sewage discharge tank, a lime softening treatment system, an intermediate water tank, a ceramic membrane ultrafiltration treatment system, an ultrafiltration water production tank, an electrodialysis treatment system, a wastewater recovery water tank and a sludge treatment system;
the outlet of the circulating water sewage discharge tank is communicated with the inlet of the intermediate water tank through a lime softening treatment system, the outlet of the intermediate water tank is communicated with the inlet of a ceramic membrane ultrafiltration treatment system, the outlet of the ceramic membrane ultrafiltration treatment system is communicated with the inlet of an ultrafiltration water production tank, the outlet of the ultrafiltration water production tank is communicated with the inlet of an electrodialysis treatment system, the clear water outlet of the electrodialysis treatment system is communicated with the inlet of a fresh water tank, and the concentrated water outlet of the electrodialysis treatment system is communicated with the inlet of a concentrated water tank;
the sludge outlet of the lime softening treatment system and the wastewater outlet of the ceramic membrane ultrafiltration treatment system are communicated with the waste treatment system.
The lime softening treatment system comprises a sewage discharge lifting pump, a high-efficiency clarification tank, a coagulant dosing device, a lime dosing device and a coagulant aid dosing device, wherein an outlet of the circulating water discharge sewage tank is communicated with an inlet of the high-efficiency clarification tank through the sewage discharge lifting pump, the high-efficiency clarification tank is divided into a condensation zone, a flocculation zone and a clarification zone which are sequentially communicated, an outlet of the coagulant dosing device is communicated with a coagulant dosing port of the condensation zone, an outlet of the lime dosing device is communicated with a lime dosing port of the flocculation zone, an outlet of the coagulant dosing device is communicated with a coagulant dosing port of the flocculation zone, and a supernatant outlet of the clarification zone and an outlet of the hydrochloric acid dosing device are communicated with an inlet of a middle.
The ceramic membrane ultrafiltration treatment system also comprises an ultrafiltration water feed pump and a ceramic membrane ultrafiltration device, wherein the outlet of the intermediate water tank is communicated with the inlet of the ceramic membrane ultrafiltration device through the ultrafiltration water feed pump, the water production outlet of the ceramic membrane ultrafiltration device is communicated with the inlet of the ultrafiltration water production tank, and the wastewater outlet of the ceramic membrane ultrafiltration device is communicated with the waste treatment system.
The electrodialysis treatment system comprises an electrodialysis water feeding pump and an electrodialysis device, wherein an outlet of the ultrafiltration water generating tank is communicated with an inlet of the electrodialysis device through the electrodialysis water feeding pump, a clear water outlet of the electrodialysis device is communicated with an inlet of the fresh water tank, and a concentrated water outlet of the electrodialysis device is communicated with an inlet of the concentrated water tank.
The system also comprises a fresh water pump and a concentrated water pump, wherein the outlet of the fresh water tank is communicated with an external cooling tower water replenishing pipeline through the fresh water pump, and the outlet of the concentrated water tank is communicated with an external desulfurization process water replenishing pipeline through the concentrated water pump.
The waste treatment system comprises a sludge treatment system, a wastewater recovery water tank and a wastewater reuse pump; the sludge treatment system comprises a sludge discharge pump, a sludge buffer tank, a sludge feed pump, a plate-and-frame filter press, a mud bucket, a filtrate water tank and a filtrate water pump;
the sludge outlet at the bottom of the high-efficiency clarification tank is communicated with the inlet of a sludge buffer tank through a sludge discharge pump, the supernatant outlet of the sludge buffer tank and the wastewater outlet of a ceramic membrane ultrafiltration device are communicated with the inlet of a wastewater recovery water tank, the bottom outlet of the sludge buffer tank is communicated with the inlet of a plate-and-frame filter press through a sludge feed pump, the sludge outlet at the bottom of the plate-and-frame filter press is communicated with the inlet of a mud bucket, the filtrate outlet of the plate-and-frame filter press is communicated with the inlet of a filtrate water tank, the outlet of the filtrate water tank is communicated with the inlet of a filtrate water pump, the outlet of the wastewater recovery water tank is communicated with the inlet of a wastewater recycling pump, and the outlet of the.
The utility model discloses following beneficial effect has:
thermal power plant's circulating water blowdown electrodialysis desalination processing system when concrete operation, adopt lime to soften and supplementary soften and coagulate the clarification with coagulant and coagulant aid to the circulating water to alkalinity, hardness, total phosphorus, suspended solid and organic matter in the reduction circulating water, wherein, lime softens processing system and to the removal rate more than or equal to 90% of suspended solid and total phosphorus in the circulating water blowdown, to Ca2+、Mg2+、SiO2And the removal rate of COD is more than or equal to 30 percent, and the effluent of the high-efficiency clarification tank is further removed with residual suspended impurities andmacromolecular organic matters, ensures that the turbidity of the effluent is less than or equal to 1NTU and the SDI is less than or equal to 3, avoids the risk of pollution of a subsequent electrodialysis system, meanwhile, a ceramic membrane ultrafiltration treatment system replaces the conventional 'medium filtration + hollow fiber ultrafiltration membrane', the membrane flux is 4-5 times of that of the conventional hollow fiber ultrafiltration membrane, the membrane material is stable, the strength is high, the membrane replacement period reaches more than 10 years, the effluent quality can meet the requirements of subsequent electrodialysis, but also has lower floor area and membrane replacing cost, lower operating cost and better economy, the qualified effluent after treatment is desalted and concentrated by electrodialysis, the water recovery rate reaches 75 percent or more, the electrodialysis desalination rate is higher, the quality of the produced water is good, the produced water can be used as the replenishing water of circulating water, the electrodialysis concentrated water has high salt content and small water quantity, can be used as water for a desulfurization process, and finally realizes zero emission treatment of thermal power plant circulating water sewage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a circulating sewage discharge tank, 2 is a sewage lifting pump, 3 is a high-efficiency clarification tank, 4 is a coagulant adding device, 5 is a lime adding device, 6 is a coagulant adding device, 7 is a sludge discharge pump, 8 is a sludge buffer tank, 9 is a sludge feeding pump, 10 is a plate-and-frame filter press, 11 is a mud bucket, 12 is a filtrate water tank, 13 is a filtrate water pump, 14 is an intermediate water tank, 15 is a hydrochloric acid adding device, 16 is an ultrafiltration water feeding pump, 17 is a ceramic membrane ultrafiltration device, 18 is an ultrafiltration product water tank, 19 is a wastewater recovery water tank, 20 is a wastewater recycling pump, 21 is an electrodialysis water feeding pump, 22 is an electrodialysis device, 23 is a fresh water tank, 24 is a fresh water pump, 25 is a concentrated water tank and 26 is a concentrated water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the electrodialysis desalination treatment system for the circulating sewage of the thermal power plant comprises a circulating sewage disposal pool 1, a lime softening treatment system, an intermediate pool 14, a ceramic membrane ultrafiltration treatment system, an ultrafiltration water production tank 18, an electrodialysis treatment system, a wastewater recovery pool 19 and a sludge treatment system; the outlet of the circulating water sewage disposal pool 1 is communicated with the inlet of the intermediate water pool 14 through a lime softening treatment system, the outlet of the intermediate water pool 14 is communicated with the inlet of the ceramic membrane ultrafiltration treatment system, the outlet of the ceramic membrane ultrafiltration treatment system is communicated with the inlet of the ultrafiltration water production tank 18, the outlet of the ultrafiltration water production tank 18 is communicated with the inlet of the electrodialysis treatment system, the clear water outlet of the electrodialysis treatment system is communicated with the inlet of the fresh water tank 23, and the concentrated water outlet of the electrodialysis treatment system is communicated with the inlet of the concentrated water tank 25; the sludge outlet of the lime softening treatment system and the wastewater outlet of the ceramic membrane ultrafiltration treatment system are communicated with the waste treatment system.
The utility model discloses still include hydrochloric acid charge device 15, lime softens processing system includes drain elevator pump 2, high-efficient clarification tank 3, coagulant charge device 4, lime charge device 5 and coagulant aid charge device 6, wherein, the export of circulation log raft effluent water sump 1 is linked together through the entry of drain elevator pump 2 with high-efficient clarification tank 3, high-efficient clarification tank 3 divide into the condensation zone that is linked together in proper order, flocculation district and clarification zone, the export of coagulant charge device 4 is linked together with the coagulant addition mouth in condensation zone, the export of lime charge device 5 is linked together with the lime addition mouth in flocculation zone, the export of coagulant aid charge device 6 is linked together with the coagulant addition mouth in flocculation zone, the supernatant export of clarification zone and hydrochloric acid charge device 15's export are linked together with the entry in middle pond 14.
The ceramic membrane ultrafiltration treatment system also comprises an ultrafiltration water feed pump 16 and a ceramic membrane ultrafiltration device 17, wherein the outlet of the intermediate water tank 14 is communicated with the inlet of the ceramic membrane ultrafiltration device 17 through the ultrafiltration water feed pump 16, the water production outlet of the ceramic membrane ultrafiltration device 17 is communicated with the inlet of the ultrafiltration water production tank 18, the wastewater outlet of the ceramic membrane ultrafiltration device 17 is communicated with the waste treatment system, the ceramic membrane ultrafiltration device 17 adopts pressure type ultrafiltration, the membrane material is a ceramic membrane, a cross flow filtration mode is adopted, the water recovery rate is more than or equal to 90 percent, the water production turbidity is less than or equal to 1NTU, and the produced water SDI is less than or equal to 3.
The electrodialysis treatment system includes electrodialysis feed pump 21 and electrodialysis device 22, wherein, the export of the water tank 18 is produced in the ultrafiltration is linked together through the entry of electrodialysis feed pump 21 and electrodialysis device 22, and the clear water export of electrodialysis device 22 is linked together with the entry of fresh water tank 23, and the dense water export of electrodialysis device 22 is linked together with the entry of dense water tank 25, the utility model discloses still include fresh water pump 24 and dense water pump 26, wherein, the export of fresh water tank 23 is linked together through fresh water pump 24 and outside cooling tower moisturizing pipeline, and the export of dense water tank 25 is linked together through dense water pump 26 and outside desulfurization process water moisturizing pipeline; the electrodialysis device 22 adopts a frequent electrode reversing operation mode, the desalination rate is more than or equal to 80 percent, and the water recovery rate is more than or equal to 75 percent.
The waste treatment system comprises a sludge treatment system, a wastewater recovery water tank 19 and a wastewater reuse pump 20; the sludge treatment system comprises a sludge discharge pump 7, a sludge buffer tank 8, a sludge feed pump 9, a plate-and-frame filter press 10, a mud bucket 11, a filtrate water tank 12 and a filtrate water pump 13; the sludge outlet at the bottom of the high-efficiency clarification tank 3 is communicated with the inlet of a sludge buffer tank 8 through a sludge discharge pump 7, the supernatant outlet of the sludge buffer tank 8 and the wastewater outlet of a ceramic membrane ultrafiltration device 17 are communicated with the inlet of a wastewater recovery water tank 19, the bottom outlet of the sludge buffer tank 8 is communicated with the inlet of a plate-and-frame filter press 10 through a sludge feed pump 9, the sludge outlet at the bottom of the plate-and-frame filter press 10 is communicated with the inlet of a mud bucket 11, the filtrate outlet of the plate-and-frame filter press 10 is communicated with the inlet of a filtrate water tank 12, the outlet of the filtrate water tank 12 is communicated with the inlet of a filtrate water pump 13, the outlet of the wastewater recovery water tank 19 is communicated with the inlet of a wastewater reuse pump 20, and the outlet of the filtrate water pump.
The utility model discloses a concrete working process does:
circulating water sewage of a thermal power plant enters a circulating water sewage discharging pool 1, the circulating water sewage output by the circulating water sewage discharging pool 1, a coagulant output by a coagulant dosing device 4, lime output by a lime dosing device 5 and a coagulant aid output by a coagulant aid dosing device 6 enter a high-efficiency clarification pool 3, the circulating water sewage is subjected to lime softening and coagulation clarification treatment to reduce alkalinity, hardness, total phosphorus, suspended matters and organic matters in the circulating water, sludge at the bottom of the high-efficiency clarification pool 3 is discharged into a sludge buffer tank 8 through a sludge discharge pump 7, supernatant of the sludge buffer tank 8 is discharged into a wastewater recovery pool 19, muddy water at the bottom of the sludge buffer tank 8 enters a plate and frame filter press 10, the plate and frame filter press 10 is used for concentrating and dehydrating the muddy water, filtrate output by the plate and frame filter press 10 enters a filtrate water tank 12, and effluent of the filtrate water tank 12 enters the circulating water sewage discharging pool 1 through a water pump 13, sludge output by the plate-and-frame filter press 10 is collected by a sludge hopper 11 and then is transported outside for disposal;
the effluent of the high-efficiency clarification tank 3 overflows into an intermediate water tank 14, the pH value of the effluent is regulated by hydrochloric acid output by a hydrochloric acid dosing device 15 and then the effluent is pressurized by an ultrafiltration water feed pump 16 and then enters a ceramic membrane ultrafiltration device 17, the produced water of the ceramic membrane ultrafiltration device 17 enters an ultrafiltration water production tank 18, the backwash water and the concentrated water of the ceramic membrane ultrafiltration device 17 are discharged into a wastewater recovery water tank 19, the water output by the ultrafiltration water production tank 18 is pressurized by an electrodialysis water feed pump 21 and then enters an electrodialysis device 22 for electrodialysis treatment, the produced water output by the electrodialysis device 22 is supplemented into a circulating water cooling tower by a fresh water tank 23 and a fresh water pump 24, and the concentrated water of the electrodialysis device 22 is supplemented into a desulfurization process water tank by a concentrated water tank 25 and a concentrated water pump.
The pH value of the effluent of the high-efficiency clarification tank 3 is 10.1-10.3, the pH value is higher, the subsequent system operation requirements cannot be met, and acid is added into the intermediate water tank 14 to adjust the pH value to 7.5-8.3.
It is noted that the salt content and Cl of the circulating water and sewage of the thermal power plant-、Ca2+、Mg2+、SiO2The contents of suspended matters, total phosphorus, COD and the like are much higher than those of the conventional surface water, the corrosivity is strong, the treatment difficulty is high, and the treatment cost is high. The conventional 'combined softening + medium filtration + ultrafiltration + reverse osmosis' treatment has more problems, mainly comprising: the treatment process is long, the operation and maintenance workload is large, the investment and the operation cost are high, the ultrafiltration and reverse osmosis systems are cleaned frequently, and the like. The utility model discloses a ceramic milipore filter, it is lower to intaking water quality requirement, can replace conventional "filtration of medium + hollow fiber milipore filter", and the membrane flux is 4 ~ 5 times of conventional hollow fiber milipore filter moreover, and the membrane material is stable, and intensity is high, and the membrane replacement cycle reaches more than 10 years, goes out water quality of water and can satisfy the requirement of follow-up electrodialysis, and area-up and trade membrane expense are lower moreover. Desalting the qualified effluent by electrodialysisThe electrodialysis is operated in a mode of frequent electrode reversal, wherein generated ions can wash deposited substances on the surface of the membrane in a reverse motion mode, so that the pretreatment procedure of raw water is effectively reduced, and meanwhile, the cleaning frequency and the cleaning cost can be reduced. The recovery rate of electrodialysis water reaches over 75 percent, the electrodialysis desalination rate is high, the quality of produced water is high, and the produced water is used as circulating water for supplementing water. The electrodialysis concentrated water can be consumed by a desulfurization system, and zero discharge treatment of circulating water sewage is realized.
The above description is only an example of the implementation steps of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An electrodialysis desalination treatment system for circulating water and sewage of a thermal power plant is characterized by comprising a circulating water and sewage discharge tank (1), a lime softening treatment system, an intermediate water tank (14), a ceramic membrane ultrafiltration treatment system, an ultrafiltration water production tank (18), an electrodialysis treatment system, a wastewater recovery water tank (19) and a sludge treatment system;
an outlet of the circulating water sewage disposal pool (1) is communicated with an inlet of an intermediate water pool (14) through a lime softening treatment system, an outlet of the intermediate water pool (14) is communicated with an inlet of a ceramic membrane ultrafiltration treatment system, an outlet of the ceramic membrane ultrafiltration treatment system is communicated with an inlet of an ultrafiltration water production tank (18), an outlet of the ultrafiltration water production tank (18) is communicated with an inlet of an electrodialysis treatment system, a clear water outlet of the electrodialysis treatment system is communicated with an inlet of a fresh water tank (23), and a concentrated water outlet of the electrodialysis treatment system is communicated with an inlet of a concentrated water tank (25);
the sludge outlet of the lime softening treatment system and the wastewater outlet of the ceramic membrane ultrafiltration treatment system are communicated with the waste treatment system.
2. The electrodialysis desalination treatment system for the thermal power plant circulating sewage according to claim 1, further comprising a hydrochloric acid dosing device (15), wherein the lime softening treatment system comprises a sewage lift pump (2), a high-efficiency clarification tank (3), a coagulant dosing device (4), a lime dosing device (5) and a coagulant aid dosing device (6), wherein an outlet of the circulating water discharge sewage tank (1) is communicated with an inlet of the high-efficiency clarification tank (3) through the sewage lift pump (2), the high-efficiency clarification tank (3) is divided into a coagulation area, a flocculation area and a clarification area which are sequentially communicated, an outlet of the coagulant dosing device (4) is communicated with a coagulant dosing port of the coagulation area, an outlet of the lime dosing device (5) is communicated with a lime dosing port of the flocculation area, an outlet of the coagulant aid dosing device (6) is communicated with a coagulant aid dosing port of the flocculation area, the supernatant outlet of the clarification area and the outlet of the hydrochloric acid dosing device (15) are communicated with the inlet of the middle water tank (14).
3. The electrodialysis desalination treatment system for sewage discharged from thermal power plant circulating water according to claim 1, wherein the ceramic membrane ultrafiltration treatment system further comprises an ultrafiltration water feed pump (16) and a ceramic membrane ultrafiltration device (17), wherein an outlet of the intermediate water tank (14) is communicated with an inlet of the ceramic membrane ultrafiltration device (17) through the ultrafiltration water feed pump (16), a water production outlet of the ceramic membrane ultrafiltration device (17) is communicated with an inlet of the ultrafiltration water production tank (18), and a wastewater outlet of the ceramic membrane ultrafiltration device (17) is communicated with a waste treatment system.
4. The electrodialysis desalination treatment system for sewage of thermal power plant circulating water as defined in claim 1, wherein the electrodialysis treatment system comprises an electrodialysis water feeding pump (21) and an electrodialysis device (22), wherein an outlet of the ultrafiltration water generating tank (18) is communicated with an inlet of the electrodialysis device (22) through the electrodialysis water feeding pump (21), a clear water outlet of the electrodialysis device (22) is communicated with an inlet of the fresh water tank (23), and a concentrated water outlet of the electrodialysis device (22) is communicated with an inlet of the concentrated water tank (25).
5. The electrodialysis desalination treatment system for sewage discharged from thermal power plant by circulating water according to claim 1, further comprising a fresh water pump (24) and a concentrated water pump (26), wherein an outlet of the fresh water tank (23) is communicated with an external cooling tower water supply pipeline through the fresh water pump (24), and an outlet of the concentrated water tank (25) is communicated with an external desulfurization process water supply pipeline through the concentrated water pump (26).
6. The electrodialysis desalination treatment system for sewage of thermal power plant circulating water according to claim 1, wherein the waste treatment system comprises a sludge treatment system, a wastewater recovery tank (19) and a wastewater recycling pump (20); the sludge treatment system comprises a sludge discharge pump (7), a sludge buffer tank (8), a sludge feed pump (9), a plate-and-frame filter press (10), a mud bucket (11), a filtrate water tank (12) and a filtrate water pump (13);
the sludge outlet at the bottom of the high-efficiency clarification tank (3) is communicated with the inlet of a sludge buffer tank (8) through a sludge discharge pump (7), the supernatant outlet of the sludge buffer tank (8) and the wastewater outlet of a ceramic membrane ultrafiltration device (17) are communicated with the inlet of a wastewater recovery water tank (19), the bottom outlet of the sludge buffer tank (8) is communicated with the inlet of a plate-and-frame filter press (10) through a sludge feeding pump (9), the sludge outlet at the bottom of the plate-and-frame filter press (10) is communicated with the inlet of a mud bucket (11), the filtrate outlet of the plate-and-frame filter press (10) is communicated with the inlet of a filtrate water tank (12), the outlet of the filtrate water tank (12) is communicated with the inlet of a filtrate water pump (13), the outlet of the wastewater recovery water tank (19) is communicated with the inlet of a wastewater recycling pump (20), and the outlet of the filtrate water pump (13) and the outlet of the wastewater recycling pump (20.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056676A (en) * | 2019-12-23 | 2020-04-24 | 西安西热水务环保有限公司 | Electrodialysis desalination treatment system and method for circulating water and sewage of thermal power plant |
| CN112661325A (en) * | 2021-01-13 | 2021-04-16 | 上海大学(浙江·嘉兴)新兴产业研究院 | Circulated formula's nanometer powder filters piece-rate system |
| CN114044585A (en) * | 2021-11-06 | 2022-02-15 | 江西蓝星星火有机硅有限公司 | Sewage treatment method |
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2019
- 2019-12-23 CN CN201922339771.4U patent/CN212025040U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056676A (en) * | 2019-12-23 | 2020-04-24 | 西安西热水务环保有限公司 | Electrodialysis desalination treatment system and method for circulating water and sewage of thermal power plant |
| CN112661325A (en) * | 2021-01-13 | 2021-04-16 | 上海大学(浙江·嘉兴)新兴产业研究院 | Circulated formula's nanometer powder filters piece-rate system |
| CN114044585A (en) * | 2021-11-06 | 2022-02-15 | 江西蓝星星火有机硅有限公司 | Sewage treatment method |
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