CN105174580A - Desulphurization waste-water zero discharge processing system and technology - Google Patents

Desulphurization waste-water zero discharge processing system and technology Download PDF

Info

Publication number
CN105174580A
CN105174580A CN201510529034.4A CN201510529034A CN105174580A CN 105174580 A CN105174580 A CN 105174580A CN 201510529034 A CN201510529034 A CN 201510529034A CN 105174580 A CN105174580 A CN 105174580A
Authority
CN
China
Prior art keywords
tank
water
reverse osmosis
desulfurization wastewater
treatment
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
Application number
CN201510529034.4A
Other languages
Chinese (zh)
Inventor
邹连惠
张凤泉
皇甫风云
李树平
杨玉锡
卢克礼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Hua Tonghuan Sky Water Utilities Science And Technology Ltd
Original Assignee
Tianjin Hua Tonghuan Sky Water Utilities Science And Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Hua Tonghuan Sky Water Utilities Science And Technology Ltd filed Critical Tianjin Hua Tonghuan Sky Water Utilities Science And Technology Ltd
Priority to CN201510529034.4A priority Critical patent/CN105174580A/en
Publication of CN105174580A publication Critical patent/CN105174580A/en
Pending legal-status Critical Current

Links

Abstract

A related desulphurization waste-water zero discharge processing system comprises a neutralization adjusting basin, a coagulation sedimentation basin and a flocculation sedimentation basin which are in successive connection. In the flocculation sedimentation basin, a supernatant formed in a specially-produced metering water channel flows into a supernatant processing device, and the lower dense liquid flows into a lower-dense-liquid processing device. The supernatant processing device comprises a full-automatic softening filter, an ultrafilter, a first-grade RO (reverse osmosis) device and a second-grade RO device; the outlet of the second-grade RO device is connected with a dense liquid tank and a pure water tank, pure water in the pure water tank is reusable, and a dense liquid in the dense liquid tank enters a crystallization evaporator for generating a salt. The lower-dense-liquid processing device discharges solid waste. Wastewater separated from a sewage concentration tank is discharged into the neutralization adjusting basin via a pipe for cyclic once-more processing. The technical scheme is combined with an advanced membrane technology, the technological flow is simple, energy-saving and environment-friendly, environment protection benefit is obviously increased, a new zero-discharge technology is realized, and the technical scheme possesses significant meaning on water pollution treatment.

Description

Desulfurization wastewater zero-discharge treatment system and technique
Technical field
The invention belongs to technical field of waste water processing, especially a kind of desulfurization wastewater zero-discharge treatment system and technique.
Background technology
Along with the construction with large coal-fired power plant that develops rapidly of China's energy industry, firing rate constantly increases, SO 2quantity discharged get more and more, the topsoil caused also is on the rise, and takes desulfurization measure extremely urgent.
Current flue gas desulfurization is considered to control SO 2the most effective approach.The desulfurization wastewater that this wet fuel gas desulfurizing technology produces, containing a large amount of suspended substance (gypsum particle, SiO in these waste water 2, aluminium and iron oxyhydroxide), activated silica, COD, chlorion, fluorion, calcium ion, magnesium ion, high salt amount and trace heavy metal, as arsenic, cadmium, chromium, mercury etc., direct discharge will cause serious harm to environment, thus must be administered and could discharge desulfurization wastewater.
Patent documentation disclosed in finding following two sections through retrieval, concrete disclosure is as follows:
1, patent documentation: a kind of novel wet flue gas desulfurization waste water treatment process (notification number CN103351066A), desulfurization wastewater takes from the knockout drum underflow of vacuum belt dewaterer, and its solid content significantly reduces, and reduces a large amount of mud discharging.Desulfurization wastewater solid content through natural subsidence reduces further, can meet the condition recycled in factory.Waste water three header, waste water dosing system, waste-water vortex device and mud pressing device can be cancelled, decrease operation expense and facility investment, reduce overhead simultaneously; Simultaneously in order to meet the different needs, can retain medicine system and the mud pressing device of waste water three header selectively, the pH value of adjustable desulfurization wastewater and the heavy metal removed in desulfurization wastewater, make the desulfurization wastewater after process reach discharging standards.
2, patent documentation: desulfurization wastewater reuse and Zero discharge treatment method and equipment (notification number CN103708666A), the method step comprises: pre-treatment, chemical reaction handling, separating treatment, purification filtering process and evaporative crystallization process, finally obtains purifying waste water and salt for reuse.Equipment comprises pre-treatment supernatant device, reaction unit, circulation device, topping-up pump, separation host, strainer, reverse osmosis main frame and evaporative crystallizer.
Finding through contrast, there are the different of essence in patent application of the present invention and above-mentioned patent publication us.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art; a kind of desulfurization wastewater zero-discharge treatment system and technique are provided; the mode that this technique is superposed by chemical reaction and Physics Work state; improve the clearance of heavy metal ions in wastewater, hardness ions and COD; greatly reduce the fouling of reverse osmosis membrane; ensure that whole system is stable, work reliably; greatly reduce reverse osmosis membrane replacement probability; by native system finally obtained solid salt, the purifying waste water of solid waste and reuse; finally achieve zero release, protect environment.
The solution of the present invention is achieved in that
A kind of desulfurization wastewater zero-discharge treatment system, comprise in connecting successively and equalizing tank, coagulative precipitation tank and flocculation sedimentation tank, in this flocculation sedimentation tank, the supernatant liquor formed through special metering water channel flows in supernatant liquor treatment unit, and lower dope flows into lower dope treatment unit.
And, described supernatant liquor treatment unit comprise connect successively full-automatic softening filter, intermediate softening water tank, ultra-fine filter, ultrafiltration water tank, one-level RO reverse osmosis, middle pure water tank, secondary RO reverse osmosis, the outlet of this two-pass reverse osmosis connects dense water tank and clear water tanks respectively, water purification in clear water tanks can reuse, and the dense water in dense water tank enters crystallizing evaporator and obtains crystal salt.
And described lower dope treatment unit comprises the sludge condensation case and sheet frame sludge filter press that connect successively, be positioned at the dope of flocculation sedimentation tank bottom by after sludge condensation case and sheet frame sludge filter press, discharge solid waste; During the waste water that sludge condensation case is separated is imported by pipeline and equalizing tank, carrying out circulating processes again.
And, in described be connected PH setting device above equalizing tank, this PH setting device is made up of molten medicine-chest, dosing tank and the dosing pump connected successively.
And all install Physics Work state machine in described and in equalizing tank and coagulative precipitation tank, described Physics Work state machine comprises motor and stirring rod, motor drive stirring rod to rotate thus by coagulative precipitation tank and in and the internal liquid sufficient reacting of equalizing tank.
And described stirring rod comprises stock and paddle, in each stirring rod, two paddles are installed at staggered interval, and paddle is rectangular slat structure.
And vertically parallel interval installs two pieces of dividing plates in described flocculation sedimentation tank, be wherein positioned at bottom the lower partition of water-in side and pond body and be solidly installed, certain gap is left on top; The dividing plate top and the body top, pond that are positioned at water outlet side are solidly installed, and certain gap is left in bottom.
A kind of desulfurization wastewater Zero-discharge treating process, step is as follows:
Step one, neutralization regulates
In and add the liquid of certain metering in equalizing tank, make most heavy metal ion in alkaline environment, generate the precipitation of hydroxide of indissoluble;
Step 2, coagulating sedimentation
After adding medicament in desulfurization wastewater when pH value arrives 9.0 to 9.5, most of heavy metal ion all defines the oxyhydroxide of indissoluble, the Ca simultaneously in water 2+can also with the part F in waste water -reaction, generates the CaF of indissoluble 2precipitate and reach the effect of removing fluorine; Coagulating agent and Physics Work state machine with the use of object be impel its settling velocity;
Step 3, flocculation sediment
Flucculation process makes alternately particle and suspended particle cohesion occur and assemble, and add flocculation agent and make liquid sufficient reacting, after the precipitation regular hour, the top of flocculation sedimentation tank is supernatant liquor, and its underpart is dope;
Step 4, the supernatant liquor treatment process in flocculation sedimentation tank and lower dope treatment process.
And in described step 4, supernatant liquor treatment process comprises the steps:
(1) softening filtration
Effectively removed the calcium ion in waste water by full-automatic softening filter, its objective is the ultrafiltration in protection subsequent disposal, reverse osmosis unit; Softening agent has the effect of filtration concurrently simultaneously;
(2) ultra-filtration filters
Ultra-fine filter automatic backwash in operational process, ensure that not contaminated;
(3) reverse osmosis concentration
Dense water obtains crystal salt through I and II RO reverse osmosis and crystallizing evaporator, is improved the salt concn in waste water, evaporative crystallization saves energy consumption by reverse osmosis, enrichment process; Through the Purified water re-use that reverse osmosis concentration produces;
In described step 4, lower dope treatment process comprises the steps:
Described lower dope, by after sludge condensation case and sheet frame sludge filter press, discharges solid waste and waste water, and during waste water is imported by pipeline and equalizing tank, carrying out circulating processes again.
Advantage of the present invention and positively effect are:
1, the present invention passes through the mode of chemical reaction and the superposition of Physics Work state machine, improve the clearance of heavy metal ions in wastewater, hardness ions and COD, greatly reduce reverse osmosis membrane fouling, ensure that whole system is stable, work reliably, greatly reduce reverse osmosis membrane turnover rate;
2, present system desulfurization wastewater carried out neutralize, precipitate, sludge treatment, filtration formed afterwards can the purifying waste water of reuse, solid waste and salt; again process during the waste water formed in treating processes is back to by pipeline and in equalizing tank or coagulative precipitation tank; do not form secondary wastewater; finally achieve zero release, protect environment.
3, this technique combines with advanced Membrane Technology; after desulfurization wastewater process; simple and the energy-conserving and environment-protective of this technical process, environmental protection benefit obviously increase; achieve " zero release " novel process; realize the target of energy-saving and emission-reduction; preserve the ecological environment, avoid water body and groundwater pollution, significant to water pollution control.
Accompanying drawing explanation
Fig. 1 is system interface chart of the present invention;
Fig. 2 is the connection block diagram of supernatant liquor treatment unit in Fig. 1;
Fig. 3 is the connection block diagram of lower dope treatment unit in Fig. 1;
Fig. 4 be in Fig. 1 in and the PH setting device structural representation of equalizing tank;
Fig. 5 is the structural representation of coagulative precipitation tank in Fig. 1;
Fig. 6 is the vertical view of stirring rod in Fig. 5;
The structural representation of flocculation sedimentation tank in Fig. 7 Fig. 1;
Fig. 8 is process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described.
A kind of desulfurization wastewater zero-discharge treatment system, as shown in Figure 1, comprise in connecting successively and equalizing tank, coagulative precipitation tank and flocculation sedimentation tank, in this flocculation sedimentation tank, the supernatant liquor formed through special metering water channel flows in supernatant liquor treatment unit, and lower dope flows into lower dope treatment unit.
Described supernatant liquor treatment unit as shown in Figure 2, comprise connect successively full-automatic softening filter, intermediate softening water tank, ultra-fine filter, ultrafiltration water tank, one-level RO reverse osmosis, middle pure water tank, secondary RO reverse osmosis, the outlet of this two-pass reverse osmosis connects dense water tank and clear water tanks respectively, water purification in clear water tanks can reuse, now in dense water tank, the concentration of dense water is higher, part can spontaneous nucleation, and this dense water enters crystallizing evaporator and produces salt.The clear liquid being positioned at flocculation sedimentation tank top carries out reuse by obtaining water purification after this device process, and by desulfurization wastewater reuse to greatest extent, saving water resource, alleviates the predicament of water resources critical shortage.During the waste water that full-automatic softening filter produces imports and equalizing tank; The waste water that ultra-fine filter produces imports coagulative precipitation tank, achieves the object of waste water circulation process in system, prevents direct discharging of waste water from polluting.
Described lower dope treatment unit comprises the sludge condensation case and sheet frame sludge filter press that connect successively, is positioned at the dope of flocculation sedimentation tank bottom by after sludge condensation case and sheet frame sludge filter press, discharges solid waste (solid waste); During the waste water that sludge condensation case is separated is imported by pipeline and equalizing tank, carrying out circulating processes again.
Be connected PH setting device with above equalizing tank 1 in described, as shown in Figure 4, this PH setting device is made up of the molten medicine-chest 4 connected successively, dosing tank 3 and dosing pump 2, adds corresponding liquid according to the pH value difference in waste water.
In described with in equalizing tank and coagulative precipitation tank 5, Physics Work state machine is all installed.Described Physics Work state machine comprises motor 6 and stirring rod 7, as shown in Figure 5, motor drive stirring rod to rotate thus by coagulative precipitation tank and in and the internal liquid sufficient reacting of equalizing tank.The structure of stirring rod as shown in Figure 6, comprises stock 7B and paddle 7A, and interleaved 90 degree of installations two paddles in each stirring rod, paddle is rectangular slat structure.This paddle is reasonable in design, can be abundant by the liquid reactions in pond.The waste liquid realized in pond by Physics Work state machine is flowed fast and mutually clashes into and produces whirlpool, by the mutual superposition of chemical reaction and Physics Work state machine, heavy metal ion, hardness ions and COD in effective removal waste liquid, make it precipitation, greatly reduce the fouling of reverse osmosis membrane.
As shown in Figure 7, in this pond, vertical parallel interval installs two pieces of dividing plates 9 to the structure of described flocculation sedimentation tank 8, and be wherein positioned at bottom the lower partition of water-in side and pond body and be solidly installed, certain gap is left on top; The dividing plate top and the body top, pond that are positioned at water outlet side are solidly installed, and certain gap is left in bottom, and its object makes flocculation sediment pass through through sluice.The flow direction of liquid is by the direction of arrow in Fig. 7 figure.By this kind of runner design, effectively improve flocculation sediment effect, and reduce the volume of whole pond body.
A kind of desulfurization wastewater Zero-discharge treating process, as shown in Figure 8, step is as follows:
Step one, neutralization regulates
Desulfurization wastewater is generally in acid, the first technique of wastewater treatment neutralizes exactly, namely in and add the sodium hydroxide solution of certain metering in equalizing tank, the pH value of waste water is arrived more than 9.0, make most heavy metal ion in alkaline environment, generate the precipitation of hydroxide of indissoluble, the less developer of sodium hydroxide, easy to operate, environment is clean.Produce a large amount of salkali waste during negative resin regeneration during ion-exchange water, so just can reach the object of the treatment of wastes with processes of wastes against one another.
Step 2, coagulating sedimentation
After adding basic agent in desulfurization wastewater when pH value arrives 9.0 to 9.5, most of heavy metal ion all defines the oxyhydroxide of indissoluble, the Ca simultaneously in water 2+can also with the part F in waste water -reaction, generates the CaF of indissoluble 2precipitate and reach the effect of removing fluorine.Cd in waste water after neutralizing treatment 2+, Hg 2+content still likely exceed standard, so add organic sulfide (TMT15) or sodium sulphite in coagulative precipitation tank, the deposition of sulfides making itself and the heavy metal contaminants of remaining ionic state form indissoluble gets off, add coagulating agent and Physics Work state machine with the use of object be impel its settling velocity, coagulating agent is polymeric aluminum.
Step 3, flocculation sediment
Suspension content in desulfurization wastewater is comparatively large, wherein containing gypsum particle, SiO 2,the oxyhydroxide of aluminium and iron.Adopt flucculation process to make alternately particle and suspended particle cohesion occur and assemble, add flocculation agent and make liquid sufficient reacting, flocculation agent is polyacrylamide, and after the precipitation regular hour, the top of flocculation sedimentation tank is supernatant liquor, and its underpart is dope.
Step 4, the supernatant liquor treatment process in flocculation sedimentation tank and lower dope treatment process.
In described step 4, supernatant liquor treatment process comprises the steps:
(1) softening filtration
Full-automatic softening filter effectively can remove the calcium ion in waste water, its objective is the reverse osmosis unit in protection subsequent disposal; Softening agent has the effect of filtration concurrently simultaneously.
(2) ultra-filtration filters
Dense water obtains crystal salt through I and II RO reverse osmosis and crystallizing evaporator, improves the salt concn in waste water, evaporative crystallization saves energy consumption by reverse osmosis concentration; Through the Purified water re-use that reverse osmosis concentration produces;
In operational process, ultra-fine filter can automatic backwash, ensure that not contaminated, thus ensure that whole system is stable, runs reliably.Adopt the high performance ultrafiltration membrane material of PVDF, be beneficial to cleaning, antipollution.
(3) reverse osmosis concentration
The dense water that waste water produces through reverse osmosis concentration obtains crystal salt by crystallizing evaporator, can be improved the salt concn in waste water, evaporative crystallization saves energy consumption by reverse osmosis concentration; Can reuse through purifying waste water of producing of reverse osmosis concentration, the water resources of the preciousness of effectively saving.
In described step 4, lower dope treatment process comprises the steps:
Described lower dope, by after sludge condensation case and sheet frame sludge filter press, discharges solid waste (solid waste) and waste water, and during waste water is imported by pipeline and equalizing tank, carrying out circulating processes again.
Advantageous effect of the present invention is:
1, the present invention passes through the mode of chemical reaction and the superposition of Physics Work state machine, improve the clearance of heavy metal ions in wastewater, hardness ions and COD, greatly reduce reverse osmosis membrane fouling, ensure that whole system is stable, work reliably, greatly reduce reverse osmosis membrane turnover rate;
2, present system desulfurization wastewater carried out neutralize, precipitate, sludge treatment, filtration formed afterwards can the purifying waste water of reuse, solid waste and salt; again process during the waste water formed in treating processes is back to by pipeline and in equalizing tank or coagulative precipitation tank; do not form secondary wastewater; finally achieve zero release, protect environment.
3, this technique combines with advanced Membrane Technology; after desulfurization wastewater process; simple and the energy-conserving and environment-protective of this technical process, environmental protection benefit obviously increase; achieve " zero release " novel process; the target of energy-saving and emission-reduction can be realized; preserve the ecological environment, avoid water body and groundwater pollution, significant to water pollution control.
It is emphasized that; embodiment of the present invention is illustrative; instead of it is determinate; therefore the present invention includes the embodiment be not limited to described in embodiment; every other embodiments drawn by those skilled in the art's technical scheme according to the present invention, belong to the scope of protection of the invention equally.

Claims (9)

1. a desulfurization wastewater zero-discharge treatment system, it is characterized in that: comprise in connecting successively and equalizing tank, coagulative precipitation tank and flocculation sedimentation tank, in this flocculation sedimentation tank, the supernatant liquor formed through metering water channel flows in supernatant liquor treatment unit, and lower dope flows into lower dope treatment unit.
2. desulfurization wastewater zero-discharge treatment system according to claim 1, it is characterized in that: described supernatant liquor treatment unit comprise connect successively full-automatic softening filter, intermediate softening water tank, ultra-fine filter, ultrafiltration water tank, one-level RO reverse osmosis, middle pure water tank, secondary RO reverse osmosis, the outlet of this two-pass reverse osmosis connects dense water tank and clear water tanks respectively, water purification in clear water tanks can reuse, and the dense water in dense water tank enters crystallizing evaporator and obtains crystal salt.
3. desulfurization wastewater zero-discharge treatment system according to claim 1 and 2, it is characterized in that: described lower dope treatment unit comprises the sludge condensation case and sheet frame sludge filter press that connect successively, be positioned at the dope of flocculation sedimentation tank bottom by after sludge condensation case and sheet frame sludge filter press, discharge solid waste; During the waste water that sludge condensation case is separated is imported by pipeline and equalizing tank, carrying out circulating processes again.
4. desulfurization wastewater zero-discharge treatment system according to claim 1, is characterized in that: in described be connected PH setting device above equalizing tank, this PH setting device is made up of molten medicine-chest, dosing tank and the dosing pump connected successively.
5. desulfurization wastewater zero-discharge treatment system according to claim 1, it is characterized in that: in described with in equalizing tank and coagulative precipitation tank, Physics Work state machine is all installed, described Physics Work state machine comprises motor and stirring rod, motor drive stirring rod to rotate thus by coagulative precipitation tank and in and the internal liquid sufficient reacting of equalizing tank.
6. desulfurization wastewater zero-discharge treatment system according to claim 5, is characterized in that: described stirring rod comprises stock and paddle, and in each stirring rod, two paddles are installed at staggered 90 degree of intervals, and paddle is rectangular slat structure.
7. desulfurization wastewater zero-discharge treatment system according to claim 1, it is characterized in that: in described flocculation sedimentation tank, vertically parallel interval installs two pieces of dividing plates, wherein be positioned at bottom the lower partition of water-in side and pond body and be solidly installed, certain gap is left on top; The dividing plate top and the body top, pond that are positioned at water outlet side are solidly installed, and certain gap is left in bottom.
8. the desulfurization wastewater Zero-discharge treating process as described in claim 1 to 7, is characterized in that: step is as follows:
Step one, neutralization regulates
In and add the liquid of certain metering in equalizing tank, make most heavy metal ion in alkaline environment, generate the precipitation of hydroxide of indissoluble;
Step 2, coagulating sedimentation
After adding medicament in desulfurization wastewater when pH value arrives 9.0 to 9.5, most of heavy metal ion all defines the oxyhydroxide of indissoluble, the Ca simultaneously in water 2+can also with the part F in waste water -reaction, generates the CaF of indissoluble 2precipitate and reach the effect of removing fluorine; Coagulating agent and Physics Work state machine with the use of object be impel its settling velocity;
Step 3, flocculation sediment
Flucculation process makes alternately particle and suspended particle cohesion occur and assemble, and add flocculation agent and make liquid sufficient reacting, after the precipitation regular hour, the top of flocculation sedimentation tank is supernatant liquor, and its underpart is dope;
Step 4, the supernatant liquor treatment process in flocculation sedimentation tank and lower dope treatment process.
9. a desulfurization wastewater Zero-discharge treating process as claimed in claim 8, it is characterized in that: in described step 4, supernatant liquor treatment process comprises the steps:
(1) softening filtration
Effectively removed the calcium ion in waste water by full-automatic softening filter, its objective is the reverse osmosis unit in protection subsequent disposal; Softening agent has the effect of filtration concurrently simultaneously;
(2) ultra-filtration filters
Ultra-fine filter automatic backwash in operational process, ensure that not contaminated;
(3) reverse osmosis concentration
Dense water obtains crystal salt through I and II RO reverse osmosis and crystallizing evaporator, improves the salt concn in waste water, evaporative crystallization saves energy consumption by reverse osmosis concentration; Through the Purified water re-use that reverse osmosis concentration produces;
In described step 4, lower dope treatment process comprises the steps:
Described lower dope, by after sludge condensation case and sheet frame sludge filter press, discharges solid waste and waste water, and during waste water is imported by pipeline and equalizing tank, carrying out circulating processes again.
CN201510529034.4A 2015-08-25 2015-08-25 Desulphurization waste-water zero discharge processing system and technology Pending CN105174580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510529034.4A CN105174580A (en) 2015-08-25 2015-08-25 Desulphurization waste-water zero discharge processing system and technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510529034.4A CN105174580A (en) 2015-08-25 2015-08-25 Desulphurization waste-water zero discharge processing system and technology

Publications (1)

Publication Number Publication Date
CN105174580A true CN105174580A (en) 2015-12-23

Family

ID=54897119

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510529034.4A Pending CN105174580A (en) 2015-08-25 2015-08-25 Desulphurization waste-water zero discharge processing system and technology

Country Status (1)

Country Link
CN (1) CN105174580A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105858960A (en) * 2016-05-09 2016-08-17 南京海益环保工程有限公司 Desulfurization wastewater treatment process
CN106242118A (en) * 2016-08-30 2016-12-21 上海交通大学 Boracic treatment of Phosphorus Containing Waste Water system
CN106746115A (en) * 2016-12-20 2017-05-31 大唐国际化工技术研究院有限公司 Desulfurization wastewater recycling processing method and processing system
CN107151072A (en) * 2016-03-02 2017-09-12 江苏八达科技股份有限公司 A kind of handling process of desulfurization wastewater
CN107774111A (en) * 2016-08-25 2018-03-09 张纪文 One smoke-gas wet desulfurization denitrification dedusting zero-emission new technology
CN108101264A (en) * 2017-12-29 2018-06-01 上海丰信环保科技有限公司 A kind for the treatment of process and equipment of surfactant industry waste water recycling
CN108383308A (en) * 2018-02-11 2018-08-10 浙江天蓝环保技术股份有限公司 A kind of low energy consumption desulfurization wastewater technique of zero discharge and device
CN109399855A (en) * 2018-12-17 2019-03-01 新疆天富集团有限责任公司 A kind of zero emission treatment of desulfured waste water

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0462000A (en) * 1990-06-27 1992-02-27 Kawasaki Steel Corp Method and apparatus for concentrating slurry
CN101003412A (en) * 2006-12-31 2007-07-25 湖南华迪电力环保工程技术有限公司 Method and system unit for flue gas desulfurization and wastewater treatment
CN201271548Y (en) * 2008-09-28 2009-07-15 昆明理工大学 Aerosol flocculation device
CN201785271U (en) * 2010-09-15 2011-04-06 重庆远达水务有限公司 Compressed air back-washing desulfuration wastewater treatment system
CN103708666A (en) * 2013-12-19 2014-04-09 武汉尚远环保股份有限公司 Method and equipment for desulfurization waste water reuse and zero discharge treatment
CN203878017U (en) * 2014-04-28 2014-10-15 盛发环保科技(厦门)有限公司 Desulfurization wastewater reuse device for power plant
CN204093101U (en) * 2014-09-25 2015-01-14 日照海辰环保科技有限公司 The heavy pond of baffling coagulation speed
CN104787859A (en) * 2015-04-22 2015-07-22 中国中化股份有限公司 Method and device for treating phosphorus wastewater by adopting multi-electrode baffling electric flocculation process
CN204897590U (en) * 2015-08-25 2015-12-23 天津市华通寰昊水务科技有限公司 Desulfurization waste water zero release processing system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0462000A (en) * 1990-06-27 1992-02-27 Kawasaki Steel Corp Method and apparatus for concentrating slurry
CN101003412A (en) * 2006-12-31 2007-07-25 湖南华迪电力环保工程技术有限公司 Method and system unit for flue gas desulfurization and wastewater treatment
CN201271548Y (en) * 2008-09-28 2009-07-15 昆明理工大学 Aerosol flocculation device
CN201785271U (en) * 2010-09-15 2011-04-06 重庆远达水务有限公司 Compressed air back-washing desulfuration wastewater treatment system
CN103708666A (en) * 2013-12-19 2014-04-09 武汉尚远环保股份有限公司 Method and equipment for desulfurization waste water reuse and zero discharge treatment
CN203878017U (en) * 2014-04-28 2014-10-15 盛发环保科技(厦门)有限公司 Desulfurization wastewater reuse device for power plant
CN204093101U (en) * 2014-09-25 2015-01-14 日照海辰环保科技有限公司 The heavy pond of baffling coagulation speed
CN104787859A (en) * 2015-04-22 2015-07-22 中国中化股份有限公司 Method and device for treating phosphorus wastewater by adopting multi-electrode baffling electric flocculation process
CN204897590U (en) * 2015-08-25 2015-12-23 天津市华通寰昊水务科技有限公司 Desulfurization waste water zero release processing system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107151072B (en) * 2016-03-02 2020-10-09 江苏八达科技股份有限公司 Treatment process of desulfurization wastewater
CN107151072A (en) * 2016-03-02 2017-09-12 江苏八达科技股份有限公司 A kind of handling process of desulfurization wastewater
CN105858960A (en) * 2016-05-09 2016-08-17 南京海益环保工程有限公司 Desulfurization wastewater treatment process
CN107774111A (en) * 2016-08-25 2018-03-09 张纪文 One smoke-gas wet desulfurization denitrification dedusting zero-emission new technology
CN106242118A (en) * 2016-08-30 2016-12-21 上海交通大学 Boracic treatment of Phosphorus Containing Waste Water system
CN106746115A (en) * 2016-12-20 2017-05-31 大唐国际化工技术研究院有限公司 Desulfurization wastewater recycling processing method and processing system
CN108101264A (en) * 2017-12-29 2018-06-01 上海丰信环保科技有限公司 A kind for the treatment of process and equipment of surfactant industry waste water recycling
CN108383308A (en) * 2018-02-11 2018-08-10 浙江天蓝环保技术股份有限公司 A kind of low energy consumption desulfurization wastewater technique of zero discharge and device
CN109399855A (en) * 2018-12-17 2019-03-01 新疆天富集团有限责任公司 A kind of zero emission treatment of desulfured waste water

Similar Documents

Publication Publication Date Title
CN105174580A (en) Desulphurization waste-water zero discharge processing system and technology
CN103979729A (en) Desulfurization waste water recycling and zero discharge system and method
CN102452751B (en) Method of deep desalting and recycling of industrial effluent
CN104276709A (en) Coal chemical industry concentrated brine zero discharge technique and special equipment thereof
CN105565573A (en) Device and method for desulfurization waste water zero discharge treatment
CN105540960A (en) Treatment method and treatment system for wastewater produced during flue gas desulfurization adopting limestone/lime-gypsum method
CN103708666A (en) Method and equipment for desulfurization waste water reuse and zero discharge treatment
CN104445706A (en) Method for concentrating high-concentration brine
CN105923820A (en) Near zero emission treatment process for flue gas desulfurization waste water
CN207130076U (en) A kind of brine waste processing system
CN203878018U (en) Desulfurization wastewater recycling and zero-discharge system
CN105417826A (en) Catalyst waste water zero discharge method and device
CN204897590U (en) Desulfurization waste water zero release processing system
CN204281479U (en) A kind for the treatment of system of coating wastewater
CN103304072B (en) Recycling method of industrial waste water
CN103172203B (en) Pretreatment method of anti-osmosis strong brine
CN205653297U (en) Desulfurization waste water zero release substep recovery unit
CN204111506U (en) A kind of Coal Chemical Industry strong brine technique of zero discharge specific equipment
CN105198123A (en) Membrane-softening treatment system and method used for supplement water for circulating water of reclaimed water source
CN104909494A (en) Process for impurity removal and purification of industrial high-concentration brine and special equipment of process
CN110683678A (en) Combined process for removing hardness of high-hardness high-salt-content concentrated water
CN102502908A (en) Method for purifying reverse osmosis concentrated water with active carbon-membrane separation countercurrent absorption
CN205575837U (en) Processing system of lime stone / lime - gypsum method flue gas desulfurization waste water
CN205347023U (en) Contain useless pretreatment of water device of salt
CN205099513U (en) Processing system is softened to circulating water makeup water embrane method at normal water water source

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20151223

RJ01 Rejection of invention patent application after publication