CN106745436A - A kind of utilization low temperature bypass flue gas concentrates the system and method for brine waste - Google Patents
A kind of utilization low temperature bypass flue gas concentrates the system and method for brine waste Download PDFInfo
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- CN106745436A CN106745436A CN201710113542.3A CN201710113542A CN106745436A CN 106745436 A CN106745436 A CN 106745436A CN 201710113542 A CN201710113542 A CN 201710113542A CN 106745436 A CN106745436 A CN 106745436A
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- flue
- brine waste
- flue gas
- evaporating column
- collector
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
Abstract
The invention discloses the system and method that a kind of utilization low temperature bypass flue gas concentrates brine waste, it solves in the prior art that space is limited in itself due to part flue, the problems such as directly spray easily causes fouling in flue, have a strong impact on the problem of production run, brine waste is concentrated by evaporation by the achievable low-grade heat source of the present invention, investment and operating cost are low, while promoting industry energy conservation to lower consumption, reduce cost for wastewater treatment；Bypass smoke evaporative is selected in the present invention, main process operation is not influenceed, can adjust and draw flue gas flow, to adapt to the requirement of different wastewater treatment capacities, while avoiding the not enough defect of flue space.Its technical scheme is：Including flue collector, bypass flue and evaporating column, the two ends of bypass flue are connected with the upstream of flue collector and evaporating column respectively, the gas outlet end of evaporator and the downstream connection of flue collector, the flue gas after heat exchange is entered in flue collector.
Description
Technical field
Brine waste is concentrated the present invention relates to field of industrial waste water treatment, more particularly to a kind of utilization low temperature bypass flue gas
System and method.
Background technology
Extensively, water also increases the way of production of brine waste year by year, and its discharge will certainly cause water resource mineralising and soil
Earth alkalizes.Country and each province's relevant criterion increased total salt figureofmerit in succession, but with the high-salt wastewater " zero-emission " of developed country
And the desalting technology of " near-zero release " is compared, there is larger gap in China.In April, 2015, China puts into effect《Water prevention and cure of pollution are taken action
Plan》(referred to as：" ten, water "), most stringent of source protection and ecological recovery quality are proposed, pollutant emission is controlled comprehensively, give
Wastewater zero discharge provides laws and regulations foundation.Zero-emission can be minimum utilization water resource, to greatest extent reduce or not
Wastewater disposition is carried out, with good environmental benefit and economic benefit.The investment of brine waste zero emission and operating cost with
Wastewater treatment capacity is directly related, and the concentration for realizing brine waste is very necessary.
Current main flow concentration technique is membrane separation process, i.e., some of liquid composition is selected using special film
Selecting property is passed through.The embrane method concentration of brine waste, typically there is the methods such as counter-infiltration, nanofiltration, electrodialysis.Membrane separation technique has material
Without phase transformation, energy consumption be low, equipment is simple and convenient to operate and the features such as strong adaptability.But process high-concentration salt-containing wastewater with embrane method
The pollution of film is easily caused, and the stain resistance of existing less salt composite membrane is poor, the cleaning frequency is short, directly results under film aquifer yield
Drop, production efficiency decline, producing water water quality variation, stop cleaning, membrane component are changed in advance, film service life shortens and operate fortune
Row expense increases.The factor such as the easy pollution of film, operating cost be high seriously constrains membrane technology in high salinity waste water process field
Application.
Evaporation is also the important channel of brine waste concentration, including multiple-effect evaporation, multistage flash evaporation, function of mechanical steam recompression
(MVR) etc..The patent of Application No. 201410846718.6, it is proposed that the technique that multiple-effect evaporation concentrates brine waste；Application number
Be 201410102031.8,201410099755.1 and the patent of 201510318771.X, by steam mechanical recompression evaporation and
Multiple-effect evaporation is combined to concentrate brine waste；The patent of Application No. 201610120012.7, is steamed using horizontal tube falling liquid film
The depth that hair device and steam recycle compress to realize brine waste is concentrated；The patent utilization of Application No. 201310471984.7
Heat pump concentrates brine waste.The brine waste of above-mentioned form is concentrated by evaporation and is required to high-grade thermal source, and operating cost is higher,
The high-quality energy is wasted to a certain extent.
The patent of Application No. 201610158397.6, using the method for the dehumidification that is humidified, is steamed using the air of flowing as water
The carrier of gas is concentrated by evaporation treatment brine waste；The patent of Application No. 201610351716.5, is cooled down using force ventilation
Brine waste after tower evaporation heating.It is that a kind of brine waste of relative energy-conservation concentrates approach, but institute to absorb moisture using air
Relatively low with air themperature, evaporation and concentration efficiency is low, while causing to evaporate the waste of moisture.
On the other hand, the efficiency of energy utilization of China is relatively low, and energy saving task is arduous, but energy-saving potential is huge simultaneously,
The recycling of low grade residual heat will turn into the important topic of energy-saving field.Because the temperature of the low-temperature flue gas in flue is relatively low,
Heat exchange efficiency is poor, and the content of the sulfur dioxide in flue gas is very high, in order to avoid the generation of low-temperature corrosion, needs to keep again
The part low-temperature flue gas are unlikely to too low, cause the heat in the part low-temperature flue gas to be used appropriately.So, Hen Duo great
Low temperature (90 DEG C~150 DEG C) fume afterheat in type factory such as power plant, steel plant, cement plant, chemical plant etc. is not yet obtained fully
Utilize, if Waste water concentrating can be realized using low-temperature flue gas waste heat, the energy-saving of enterprise can not only be beneficial to, while can be significantly
Reduce the cost of brine waste treatment.But because flue gas flow rate is very high in the flue of existing production technology, space itself is limited,
Cause that evaporability is limited, difficult arrangement, simultaneously because flue gas flow rate is higher waste water can be caused to carry and the problems such as fouling, directly
Influence thickening efficiency and production run.
The content of the invention
Not influence original production technology to run and adapt to the demand of different wastewater flow rate load variations, extension can be used
Flue gas realizes the evaporation and concentration of brine waste to bypassing.Originally, after flue gas is drawn flue by inventor, individually to brine waste
It is evaporated and concentrates, then flue gas carries vapor by after desulfurizing tower desulfurization, then through smoke stack emission.But due to saliferous
The temperature of the flue gas after wastewater heat exchange has fallen to 50-80 DEG C, and the temperature of walling of flue is relatively low, and can contain in flue gas substantial amounts of
Sulfur dioxide, sulfur trioxide and vapor, thus the walling of flue between brine waste evaporating column and desulfurizing tower easily occur it is low
The phenomenon of temperature corrosion, directly affects the life-span of flue.If low-temperature flue gas are first passed through into desulfurizing tower carries out desulfurization, then again to containing
When salt waste water is concentrated, 50 DEG C or so can be typically reduced to by the temperature of the flue gas after desulfurization, the concentration to brine waste
Effect is too poor, it is difficult to realize industrial applications.And if directly spray structure is arranged in chimney, flue gas is dense to brine waste
Directly by smoke stack emission after contracting, now, flue gas cannot carry out desulfurization process, and (flue-gas temperature after desulfurization is down to 50 DEG C or so, right
The concentrated effect of brine waste is poor), substantial amounts of sulfur dioxide and vapor can be equally contained in flue gas, and in spray process
In serious corrosion can be all caused to chimney, the cost of investment of chimney is higher, is lost more than gain using this kind of mode.
After inventor has found the problem, processing scheme is improved, obtained the technical scheme of this paper.
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides a kind of useless using smoke evaporative saliferous is bypassed
The concentration systems of water, including flue collector, bypass flue and evaporating column, the two ends of bypass flue upstream respectively with flue collector and steaming
Hair tower connection, during the partial fume in flue collector caused into evaporating column by bypass flue, and is passed through containing of being sprayed in evaporating column
Salt wastewater heat exchange, the gas outlet end of evaporator and the downstream connection of flue collector, make the flue gas after heat exchange enter in flue collector.
By bypass flue, extension high-temperature flue gas enter in evaporating column from flue collector in the present invention, with containing for spray
After salt wastewater heat exchange, enter back into flue collector, can simultaneously realize following purpose：
1st, without substantial amounts of brine waste is sprayed in flue collector, and then the substantial amounts of salt of precipitation is avoided to flue collector
Result in blockage and corrode.
2nd, the space of flue collector is limited, and the treating capacity to brine waste is limited, it is impossible to realize large-scale industrial application.Using
Evaporating column, can improve the contact area of flue gas and brine waste, improve the thickening efficiency to brine waste；And can pass through
Circulated sprinkling brine waste, to concentrate repeatedly, reaches more preferably cycles of concentration, reduces the treatment load of follow-up brine waste.
Meanwhile, the flow of the flue gas that bypass flue is drawn can be adjusted with the amount of the brine waste for the treatment of, optimal to reach
Treatment effect.
3 and brine waste heat exchange after flue-gas temperature it is relatively low, and containing substantial amounts of moisture, the partial fume is directly led to
Enter the downstream to flue collector, because the flow direction of the partial fume is vertical with the flow direction of the flue gas in flue collector or in one
Determine angle, so, after flue gas after heat exchange is passed through flue collector, the flue gas after flue gas and heat exchange in flue collector can be promptly
It is sufficiently mixed, on the one hand, the flue gas in flue collector can be heated with the flue gas after heat exchanging, reach temperature higher,
The condensation of vapor is avoided, on the other hand, the concentration of the vapor in flue gas after the heat exchange of flue gas dilution in flue collector,
The third aspect, the temperature of the flue gas in flue collector is higher, and flue inner wall can be made to keep temperature higher.The association of the aspect of the above three
Same-action, it is to avoid the generation of low-temperature corrosion in flue；Meanwhile, by mixed flue gas send into desulfurizing tower in desulfurization when, flue gas
In substantial amounts of vapor then can reduce the supplement of the water in desulfurizing tower to supplement more moisture in desulfurizing tower, save water
Resource.
Further, the evaporating column is spray column or packed tower.The contact area of waste water and flue gas can be improved, is increased
Heat and mass efficiency, improves the concentration rate of brine waste.
Further, the evaporating column is packed tower.
Appropriate filler is filled with packed tower, the contact area between flue gas and the fluid of brine waste two can be increased.Carry
Heat and mass efficiency between flue gas high and brine waste, improves the heat utilization ratio in flue gas, using the flue gas of same traffic
When brine waste to same volume concentrates identical multiple, the temperature drop for flowing through the flue gas of evaporating column is less, after heat exchange
Flue gas enter flue collector after, can further avoid the generation of flue inner wall low-temperature corrosion.
Further, it is provided with air-introduced machine on the bypass flue.
Flue gas partial in flue collector can be caused bypass flue by air-introduced machine, be moved for the flow of flue gas of the part is provided
Power, the heat exchange for making it possible between flue gas and brine waste.
Further, the gas outlet of the evaporating column is provided with demister.
The drop that demister will can be carried in flue gas is removed, and reduces the entrainment of drop in flue gas, can be effective
Prevent drop from producing corrosion to flue collector.
Further, the evaporating column includes brine waste warehouse and spraying layer, between brine waste warehouse and spraying layer
Connected by pump.
Brine waste in brine waste warehouse can be evacuated to spraying layer and be sprayed by the pump, and can be sprayed repeatedly
Drench, brine waste is concentrated into the concentration of setting.
Further, the gas vent of the evaporating column also includes undergauge structure, undergauge structure with the linkage section of flue collector
The ratio of diameter and bypass flue diameter be 1:1.2-1.5.
Fraction flue gas in flue collector is introduced into evaporating column to heat brine waste, the flue gas after heat exchange flows again
Enter flue collector, the temperature of the flue gas for exchanging heat is relatively low and amount is few, flue gas after heat exchange is in the boundary of undergauge section and flue collector
When flue gas mixes in place's flue collector higher with substantial amounts of temperature, the flue gas after heat exchange can rapidly be heated.Additionally, after heat exchange
Flue gas by undergauge section accelerate, with speed faster enter flue collector in, the mixing efficiency with flue gas, Jin Ershi can be improved
The heating of the flue gas of flue gas in flue collector again after heat exchanging is showed.Under the synergy of both factors, can succeed
Solve the problems, such as that flue inner cryogenic is corroded.
Additionally, the presence of undergauge section, can also produce certain inhibition to the flowing of flue gas, flue gas is extended in evaporation
Residence time in tower, improve the efficiency of heating surface to brine waste.
In order to solve the above technical problems, the present invention provides a kind of using the concentration side for bypassing smoke evaporative brine waste
Method, comprises the following steps：
By bypass flue, extension flue gas is passed through in evaporating column from flue collector, with the saliferous of spray in evaporating column
Waste water countercurrent flow, concentrates brine waste.Flue gas after heat exchange is re-fed into flue collector, is mixed with the flue gas in flue collector
Afterwards, it is reheated, by smoke stack emission；Brine waste after being concentrated enters next step handling process.
Further, the brine waste of described spray is pressurized by pump, and the pressure after supercharging is 0.05-0.65MPa (tables
Pressure).
After being pressurized to brine waste, spray atomizing effect on the one hand can be improved, improve the contact area with flue gas,
And then improve heat transfer effect；On the other hand the processing speed of brine waste can be improved, a large amount for the treatment of of industrialization are easy to implement.
Further, the method for concentration also includes the step of flue gas after heat exchanging carries out demisting.
Further, the brine waste is circulating and evaporating concentration in evaporating column.
The concentration of the salt in brine waste varies, when the concentration of salt is smaller, by the concentration that once exchanges heat, it is difficult to reach
To preferable cycles of concentration, treatment load still can be improved in follow-up brine waste processing procedure, so, steamed by circulation
Hair concentration, greatly reduces the content of the water in brine waste, is conducive to follow-up wastewater treatment process.
Beneficial effects of the present invention are：
1. brine waste is concentrated by evaporation by the achievable low-grade heat source of the present invention, investment and operating cost are low, promote enterprise
While industry is energy-saving, cost for wastewater treatment is reduced；
2. bypass smoke evaporative is selected in the present invention, main process operation is not influenceed, can adjust and draw flue gas flow, to adapt to
The requirement of different wastewater treatment capacities, while avoiding the not enough defect of flue space；
3. evaporating column is spray column or packed tower in the present invention, it is possible to increase gas liquid interfacial area, increases evaporation rate；
4. the flue gas after heat exchange is passed directly to the downstream of flue collector, due to flow direction and the main cigarette of the partial fume
Vertically or at an angle, the flue gas after flue gas and heat exchange in flue collector can promptly fill for the flow direction of the flue gas in road
Divide mixing, on the one hand, the flue gas in flue collector can be heated with the flue gas after heat exchanging, reach temperature higher, be kept away
Exempt from the condensation of vapor, on the other hand, the concentration of the vapor in flue gas after the heat exchange of flue gas dilution in flue collector, the
Three aspects, the temperature of the flue gas in flue collector is higher, and flue inner wall can be made to keep temperature higher.The collaboration of the aspect of the above three
Effect, it is to avoid the generation of low-temperature corrosion in flue.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrated for explaining the application, does not constitute the improper restriction to the application.
Fig. 1 bypasses the system structure diagram (spray column) of the brine waste concentration of smoke evaporative for the utilization of embodiment 1；
Fig. 2 bypasses the system structure diagram (packed tower) of the brine waste concentration of smoke evaporative for the utilization of embodiment 2.
Wherein, 1. flue collector, 2. bypass flue, 3. air-introduced machine, 4. evaporating column, 5. nozzle, 6. demister, 7. tank,
8. the first water pump, 9. the second water pump.
Specific embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
Be also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Term explains part：
Flue collector refers to big power station, steel plant, cement plant, chemical plant etc. for conveying original flue of flue gas
Equipment, herein the structure not to the flue be improved, in order to be distinguished with the follow-up bypass flue for introducing, again
It is named as flue collector.
Bypass flue, is a smoke flow channels being reintroduced back to, and flue gas is drawn into flue collector, is introduced into evaporating column,
Its Main Function is connection flue collector and evaporating column, for the flowing of flue gas provides passage.
Evaporating column, refers to the place of brine waste evaporation and concentration, and in evaporating column, brine waste spray flows from top to bottom
Dynamic, flue gas flows from bottom to top, by both adverse currents, realizes the heat convection of flue gas and brine waste.
Demister, for the drop of gas entrainment in knockout tower, to ensure mass-transfer efficiency.
Embodiment 1
As shown in figure 1, a kind of system using the brine waste concentration for bypassing smoke evaporative, including flue collector 1, bypass cigarette
Road 2, air-introduced machine 3, evaporating column 4, nozzle 5, demister 6, tank 7, the first water pump 8 and the second water pump 9.Air-introduced machine 3 is from main cigarette
Road 1 extracts partial fume to bypass flue 2, and flue gas enters evaporating column 4 through bypass flue 2, is transported from bottom to top in evaporating column 4
It is dynamic.
Brine waste is stored in tank 7, and tank 7 is located at the bottom of evaporating column, is passed through after being pressurizeed through the first water pump 8
The nozzle 5 of spraying layer enters evaporating column 4 after being atomized, and moves from top to bottom, and with flue gas adverse current, and direct contact heat transfer, saliferous gives up
Water heat absorption evaporation, the vapor of evaporation enters flue gas, is entrained with the flue gas of partial drop by after the demisting of demister 6, going out evaporation
Tower 4 is reentered in flue collector 1, is sufficiently mixed with the flue gas in flue collector 1, is reheated to temperature higher, it is to avoid
The generation of flue inner wall low-temperature corrosion.Then in the presence of the first water pump 8, circulated sprinkling exchanges heat brine waste in tank 7
Evaporation, after the concentration rate of regulation is reached, the brine waste after concentration is discharged by the second water pump 9, is for further processing.
Equipped with parts such as thermocouple, pressure gauge and flowmeters after first water pump 8, can be used for temperature, the pressure of brine waste
And the monitoring of flow.
Its technical process is：
90-150 DEG C of flue gas enters bypass flue 2,5-50 DEG C, the brine waste of normal pressure by air-introduced machine 3 from flue collector 1
0.6MPa is pressurized to by the first water pump 8 and enters evaporating column 4 after nozzle 5 is atomized, with flue gas adverse current direct contact heat transfer, steamed
The water vapour of hair enters flue gas, and flue-gas temperature is down to 50-60 DEG C.The flue gas of partial drop is entrained with by after the demisting of demister 6,
Go out evaporating column 4 and reenter flue collector 1, be sufficiently mixed with the flue gas in flue collector 1, reheated by high-temperature flue gas.Contain
Salt waste water is concentrated by cycle heat exchange, and after the concentration rate of regulation is reached, the brine waste after concentration passes through the row of the second water pump 9
Go out, be for further processing.
Embodiment 2
As shown in Fig. 2 being with the difference of embodiment 1：5-50 DEG C, the brine waste of normal pressure pass through the first water pump 8
0.2MPa is pressurized to, the packed bed entered in evaporating column 4 is sprayed by nozzle 5, and flue gas adverse current directly contact, packed bed can be with
The contact area of flue gas and brine waste is further improved, the thickening efficiency of brine waste is improved；Demister 6 can be not provided with.Its
It is remaining same as Example 1.
By embodiment 2, when evaporating column uses packed tower, on the premise of demister 6 is not provided with, can avoid
Flue gas produces low-temperature corrosion to the inwall of flue collector 1.Reason is：In packed tower, be atomized for salt bearing liquid wastes by spraying layer, after atomization
Salt bearing liquid wastes fall on packing layer, relatively thin liquid film is formed on the filler of packing layer, improve contact of the liquid film with flue gas
Area, and then improve the heat and mass efficiency between flue gas and brine waste.So, when the flue gas of use same traffic is to phase
During the brine waste concentration identical multiple of same volume, the temperature drop for flowing through the flue gas of packing layer is less.So, when flue gas stream
Through packing layer, when flowing to spraying layer lower section, the temperature of flue gas is greater than the temperature below spraying layer in spray column.The temperature of flue gas
It is higher, more preferable heating evaporation effect can be produced to the brine waste being atomized, greatly reduce containing for the drop carried secretly in flue gas
Amount, so, without setting demister 6 in the top of packed tower, this partial fume enters in flue collector, with the flue gas in flue collector
During mixing, the generation of the inwall low-temperature corrosion of flue collector 1 still can be avoided.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of using the concentration systems for bypassing smoke evaporative brine waste, it is characterised in that：Including flue collector, bypass flue and
Evaporating column, the two ends of bypass flue are connected with the upstream of flue collector and evaporating column respectively, by bypass flue by flue collector
Partial fume is caused in evaporating column, and is passed through the brine waste heat exchange that sprays in evaporating column, the gas outlet end of evaporator and master
The downstream connection of flue, makes the flue gas after heat exchange enter in flue collector.
2. concentration systems according to claim 1, it is characterised in that：The evaporating column is spray column or packed tower.
3. concentration systems according to claim 1, it is characterised in that：Air-introduced machine is provided with the bypass flue.
4. concentration systems according to claim 1, it is characterised in that：The gas outlet of the evaporating column is provided with demisting
Device.
5. concentration systems according to claim 1, it is characterised in that：The evaporating column includes brine waste warehouse and spray
Layer, is connected between brine waste warehouse and spraying layer by pump.
6. concentration systems according to claim 1, it is characterised in that：The gas vent of the evaporating column and the company of flue collector
Connecing section also includes undergauge structure, and the diameter of undergauge structure is 1 with the ratio of bypass flue diameter:1.2-1.5.
7. a kind of using the method for concentration for bypassing smoke evaporative brine waste, it is characterised in that：Comprise the following steps：
By bypass flue, extension flue gas is passed through in evaporating column from flue collector, with the brine waste of spray in evaporating column
Reverse movement is exchanged heat, and concentrates brine waste, and the flue gas after heat exchange is reentered in flue collector, added again by the flue gas in flue collector
After heat, by smoke stack emission；Brine waste after being concentrated enters next step handling process.
8. method for concentration according to claim 7, it is characterised in that：The brine waste of described spray, is pressurized by pump,
Pressure after supercharging is 0.05-0.65MPa.
9. method for concentration according to claim 7, it is characterised in that：The method for concentration also includes the flue gas after heat exchanging
The step of carrying out demisting.
10. method for concentration according to claim 7, it is characterised in that：The brine waste is in evaporating column for circulation is steamed
Hair concentration.
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| CN109384273A (en) * | 2018-10-17 | 2019-02-26 | 北京国电龙源环保工程有限公司 | A kind of device and method using high and low temperature gas step processing salt-containing solution |
| CN110054243A (en) * | 2019-04-17 | 2019-07-26 | 无锡雪浪环境科技股份有限公司 | A kind of high slat-containing wastewater flue gas drying method and device |
| CN110127630A (en) * | 2019-04-12 | 2019-08-16 | 南京汇仁化工设备有限公司 | Spent acid purifying plant and its method of purification |
| CN110745893A (en) * | 2019-11-28 | 2020-02-04 | 河北国华定州发电有限责任公司 | System and method for preventing drying tower from scaling and corroding in wastewater evaporation process |
| CN110894117A (en) * | 2018-09-12 | 2020-03-20 | 无锡利信能源科技有限公司 | Desulfurization wastewater treatment system |
| CN110963623A (en) * | 2019-11-29 | 2020-04-07 | 武汉正元环境科技股份有限公司 | Novel system for treating industrial wastewater by using bypass low-temperature flue gas |
| CN111646647A (en) * | 2020-06-18 | 2020-09-11 | 陕西北元化工集团股份有限公司 | Alkaline washing tower wastewater treatment system and treatment method |
| CN114159815A (en) * | 2021-12-08 | 2022-03-11 | 苏州荣轩环保有限公司 | Structure of evaporation tower |
| CN114288691A (en) * | 2022-01-30 | 2022-04-08 | 江阴铠乐丰环境工程科技有限公司 | Evaporation plant for treating high-salt and high-organic wastewater by using high-temperature flue gas |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09313881A (en) * | 1996-05-31 | 1997-12-09 | Ishikawajima Harima Heavy Ind Co Ltd | Device for eliminating waste water discharge for boiler flue gas desulfurizer |
| CN103982903A (en) * | 2014-05-20 | 2014-08-13 | 西安热工研究院有限公司 | System and method for treating tail end waste water by using smoke waste heat |
| CN204380506U (en) * | 2014-12-02 | 2015-06-10 | 成都华西堂投资有限公司 | A kind of flue gas wet-dry change Recovery Purifying treatment system |
| CN204569462U (en) * | 2015-04-09 | 2015-08-19 | 西安热工研究院有限公司 | Neat stress recirculation type desulfurization wastewater spraying treatment unit |
| CN204644039U (en) * | 2015-04-30 | 2015-09-16 | 北京朗新明环保科技有限公司南京分公司 | Utilize the low-temperature evaporation formula high slat-containing wastewater treatment unit of waste water residual heat |
| CN105879542A (en) * | 2016-03-07 | 2016-08-24 | 上海龙净环保科技工程有限公司 | Power plant desulfurization wastewater bypass treatment system and method and flue gas treatment system and method |
| CN205676177U (en) * | 2016-06-24 | 2016-11-09 | 山东能工低碳科技有限公司 | A kind of bypass flue gas fluidization desulfurization wastewater drying system |
-
2017
- 2017-02-28 CN CN201710113542.3A patent/CN106745436A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09313881A (en) * | 1996-05-31 | 1997-12-09 | Ishikawajima Harima Heavy Ind Co Ltd | Device for eliminating waste water discharge for boiler flue gas desulfurizer |
| CN103982903A (en) * | 2014-05-20 | 2014-08-13 | 西安热工研究院有限公司 | System and method for treating tail end waste water by using smoke waste heat |
| CN204380506U (en) * | 2014-12-02 | 2015-06-10 | 成都华西堂投资有限公司 | A kind of flue gas wet-dry change Recovery Purifying treatment system |
| CN204569462U (en) * | 2015-04-09 | 2015-08-19 | 西安热工研究院有限公司 | Neat stress recirculation type desulfurization wastewater spraying treatment unit |
| CN204644039U (en) * | 2015-04-30 | 2015-09-16 | 北京朗新明环保科技有限公司南京分公司 | Utilize the low-temperature evaporation formula high slat-containing wastewater treatment unit of waste water residual heat |
| CN105879542A (en) * | 2016-03-07 | 2016-08-24 | 上海龙净环保科技工程有限公司 | Power plant desulfurization wastewater bypass treatment system and method and flue gas treatment system and method |
| CN205676177U (en) * | 2016-06-24 | 2016-11-09 | 山东能工低碳科技有限公司 | A kind of bypass flue gas fluidization desulfurization wastewater drying system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052530A (en) * | 2018-07-19 | 2018-12-21 | 江苏京源环保股份有限公司 | A kind of integral type drying tower for fume afterheat processing desulfurization wastewater |
| CN110894117A (en) * | 2018-09-12 | 2020-03-20 | 无锡利信能源科技有限公司 | Desulfurization wastewater treatment system |
| CN109384273A (en) * | 2018-10-17 | 2019-02-26 | 北京国电龙源环保工程有限公司 | A kind of device and method using high and low temperature gas step processing salt-containing solution |
| CN110127630A (en) * | 2019-04-12 | 2019-08-16 | 南京汇仁化工设备有限公司 | Spent acid purifying plant and its method of purification |
| CN110054243A (en) * | 2019-04-17 | 2019-07-26 | 无锡雪浪环境科技股份有限公司 | A kind of high slat-containing wastewater flue gas drying method and device |
| CN110745893A (en) * | 2019-11-28 | 2020-02-04 | 河北国华定州发电有限责任公司 | System and method for preventing drying tower from scaling and corroding in wastewater evaporation process |
| CN110963623A (en) * | 2019-11-29 | 2020-04-07 | 武汉正元环境科技股份有限公司 | Novel system for treating industrial wastewater by using bypass low-temperature flue gas |
| CN111646647A (en) * | 2020-06-18 | 2020-09-11 | 陕西北元化工集团股份有限公司 | Alkaline washing tower wastewater treatment system and treatment method |
| CN114159815A (en) * | 2021-12-08 | 2022-03-11 | 苏州荣轩环保有限公司 | Structure of evaporation tower |
| CN114288691A (en) * | 2022-01-30 | 2022-04-08 | 江阴铠乐丰环境工程科技有限公司 | Evaporation plant for treating high-salt and high-organic wastewater by using high-temperature flue gas |
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