CN108773869A - A kind of low-temperature multi-effect is concentrated by evaporation the processing system and its processing method of high-salt wastewater - Google Patents
A kind of low-temperature multi-effect is concentrated by evaporation the processing system and its processing method of high-salt wastewater Download PDFInfo
- Publication number
- CN108773869A CN108773869A CN201810463675.8A CN201810463675A CN108773869A CN 108773869 A CN108773869 A CN 108773869A CN 201810463675 A CN201810463675 A CN 201810463675A CN 108773869 A CN108773869 A CN 108773869A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- effect
- preheaters
- temperature
- salt wastewater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
-
- 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
- C02F1/043—Details
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
A kind of low-temperature multi-effect is concentrated by evaporation the processing system and its processing method of high-salt wastewater, belongs to high-salt wastewater processing field of energy-saving technology.The charging pump discharge of the processing system is sequentially connected an effect brine inlet of each preheater and 1st effective evaporator through pipeline；The quadruple effect brine inlet of four-effect evaporator connects vacuum extractor through pipeline all the way, and another way is sequentially connected the steam inlet of vapour compression machine, temperature-decreased pressure reducer and 1st effective evaporator through pipeline.The indirect steam of preceding 1st effective evaporator is as lower 1st effective evaporator heat source.Temperature-decreased pressure reducer is connected using the water outlet pipe of pipeline and 1st effective evaporator.The indirect steam that the processing system is generated using last effect of multi-effect evaporator, as the heat source of 1st effective evaporator after recompression, reduce the processing cost of high-salt wastewater, the safety and stability performance of sewage treatment equipment is improved, the energy consumption that low-temperature multi-effect evaporates processing system 1 ton of fresh water of generation of high-salt wastewater is about the 14% of conventional evaporator.
Description
Technical field
The present invention relates to processing systems and its processing method that a kind of low-temperature multi-effect is concentrated by evaporation high-salt wastewater, belong to high
Salt wastewater treatment field of energy-saving technology.
Background technology
Currently, the industries such as plating, water filling, papermaking, chlor-alkali generate a large amount of industrial wastewaters, it is inorganic often to contain high concentration in waste water
Salt.High-salt wastewater direct emission will be done great harm to the environment.
Low-temperature multi-effect evaporation technique is widely used in high-salt wastewater process field.Usual multi-effect evaporation system end effect generates
Indirect steam cannot again utilize become heat source.It needs constantly to provide external steam source to system to realize desalination work(
Energy.High-salt wastewater processing system, emphasis that is energy saving and being efficiently the development technology are evaporated for low-temperature multi-effect.MVC vapo(u)rization systems
It is based on evaporation concentration system of new generation made of traditional multi-effect evaporation system base growth.The system is using multi-effect evaporator as core
Heart heat exchanger components improve steam quality and are recycled by being recompressed to end effect secondary steam.
Invention content
In order to overcome problems of the prior art, the present invention provides a kind of low-temperature multi-effect and is concentrated by evaporation high-salt wastewater
Processing system and its processing method, which should utilize the indirect steam that last effect of multi-effect evaporator generates, through again
As the heat source of 1st effective evaporator after compression, the processing cost of high-salt wastewater is reduced, improves the safety of sewage treatment equipment
Stability.
The technical solution adopted by the present invention is：A kind of low-temperature multi-effect is concentrated by evaporation the processing system of high-salt wastewater, it includes
Feed pump, charging water pot, centrifuge, preheater, evaporator and vacuum extractor, it further includes temperature-decreased pressure reducer and both vapor compression
Machine, the preheater include that No.1 preheater, No. two preheaters, No. three preheaters and No. four preheaters, the evaporator include
Sequentially connected 1st effective evaporator, 2nd effect evaporator, triple effect evaporator and four-effect evaporator, each steam inlet for imitating evaporator with
Water outlet is connected in bottom；The import of the feed pump connects charging water pot through pipeline, and outlet is sequentially connected parallel connection through pipeline
No.1 preheater and No. two preheaters, No. three preheaters and No. four preheaters, No. four preheaters through pipeline connection one effect evaporate
One effect brine inlet of device；The quadruple effect brine inlet of the four-effect evaporator connects vacuum extractor, another way through pipeline all the way
The steam inlet of vapour compression machine, temperature-decreased pressure reducer and 1st effective evaporator is sequentially connected through pipeline；The two of the 1st effective evaporator
Secondary steam all the way enter 2nd effect evaporator steam inlet, another way enter No. four preheaters, the 2nd effect evaporator it is secondary
Steam enters the steam inlet of triple effect evaporator all the way, and another way enters No. three preheaters, the quadruple effect salt of the four-effect evaporator
Water out connects No. two preheaters, centrifuge and charging water pot through pipeline, and the water outlet of four-effect evaporator connects one through pipeline
Number preheater；The temperature-decreased pressure reducer is connected using the water outlet pipe of pipeline and 1st effective evaporator.
The No.1 preheater and No. two preheaters use plate heat exchanger, and No. three preheaters and No. four preheaters are using pipe
Shell heat exchanger.
A kind of low-temperature multi-effect is concentrated by evaporation the processing method of high-salt wastewater：
（a）It it is 20 DEG C temperature, the high-salt wastewater that salinity is 15%-25% is delivered to an effect by feed pump after level Four preheater and steams
It sends out in device, wherein the heat source of No.1 preheater is that the strong brine of four-effect evaporator drains, the heat source of No. two preheaters
It is drained for the fresh water of four-effect evaporator, the heat source of No. three preheaters is the indirect steam of 2nd effect evaporator, No. four preheaters
Heat source be 1st effective evaporator indirect steam；
（b）The temperature of heating steam is 60 DEG C when high-salt wastewater enters 1st effective evaporator, and the evaporating temperature of high-salt wastewater is 65 DEG C
By 1st effective evaporator to four-effect evaporator, evaporating temperature is successively decreased 2.5 DEG C successively；High-salt wastewater is between each effect evaporator with fair current
Form flows；
（c）The indirect steam that preceding 1st effective evaporator evaporation generates enters lower 1st effective evaporator as heat source, until quadruple effect steams
Device is sent out, after vapour compression machine compresses, temperature, pressure increases the indirect steam that four-effect evaporator generates, and enthalpy increases, then
It is back to 1st effective evaporator as heat source through temperature-decreased pressure reducer, the steam closed loop in completion system；
（d）Except system startup and stabilization sub stage, steam source is provided without extraneous in operational process, four-effect evaporator discharges dense
Brine removes crystal therein after centrifuge；
（e）System is run under vacuum degree condition, and vacuum extractor ensures not containing incondensable gas in system.
The beneficial effects of the invention are as follows：The processing system that this low-temperature multi-effect is concentrated by evaporation high-salt wastewater include feed pump,
Feed water pot, centrifuge, preheater, evaporator, vacuum extractor, temperature-decreased pressure reducer and vapour compression machine.The outlet of feed pump
An effect brine inlet of each preheater and 1st effective evaporator is sequentially connected through pipeline；The quadruple effect brine inlet of four-effect evaporator is all the way
Vacuum extractor is connected through pipeline, another way is sequentially connected vapour compression machine, temperature-decreased pressure reducer and 1st effective evaporator through pipeline
Steam inlet.The indirect steam of preceding 1st effective evaporator is as lower 1st effective evaporator heat source.Temperature-decreased pressure reducer using pipeline with
The water outlet pipe of 1st effective evaporator connects.The indirect steam that the processing system is generated using last effect of multi-effect evaporator,
As the heat source of 1st effective evaporator after recompression, the processing cost of high-salt wastewater is reduced, sewage treatment equipment is improved
Safety and stability performance, the energy consumption that low-temperature multi-effect evaporates processing system 1 ton of fresh water of generation of high-salt wastewater is about conventional evaporator
14%。
Description of the drawings
Fig. 1 is a kind of schematic diagram of the processing system of low-temperature multi-effect evaporation and concentration high-salt wastewater.
In figure：1, feed pump, 2, charging water pot, 3, centrifuge, 4, No.1 preheater, 5, No. two preheaters, 6, No. three are pre-
Hot device, 7, No. four preheaters, 8, temperature-decreased pressure reducer, 9,1st effective evaporator, 9a, an effect brine inlet, 9b, an effect brine outlet,
10,2nd effect evaporator, 10a, two effect brine inlets, 10b, two effect brine outlets, 11, triple effect evaporator, 11a, effect brine inlet,
11b, triple effect brine outlet, 12, vapour compression machine, 13, four-effect evaporator, 13a, quadruple effect brine inlet, 14b, quadruple effect brine go out
Mouthful, 14, vacuum extractor.
Specific implementation mode
Fig. 1 shows that a kind of low-temperature multi-effect is concentrated by evaporation the processing system schematic diagram of high-salt wastewater.This low-temperature multi-effect steams
The processing system of hair concentration high-salt wastewater includes feed pump 1, charging water pot 2, centrifuge 3, preheater, evaporator, vacuum means
Set 14, temperature-decreased pressure reducer 8 and vapour compression machine 12.Preheater includes the preheater 6 of preheater 5, three of No.1 preheater 4, two
With No. four preheaters 7.Evaporator includes sequentially connected 1st effective evaporator 9,2nd effect evaporator 10, triple effect evaporator 11 and quadruple effect
Evaporator 13, each steam inlet for imitating evaporator are connected to water outlet in bottom.The import of feed pump 1 is connected through pipeline and is fed
Water pot 2, outlet are sequentially connected No.1 preheater 4 in parallel and 5, No. three preheaters 6 of No. two preheaters and No. four preheatings through pipeline
Device 7, No. four preheaters 7 connect an effect brine inlet 9a of 1st effective evaporator 9 through pipeline.The quadruple effect brine of four-effect evaporator 13 into
Mouth mono- tunnels 13a connect vacuum extractor 14 through pipeline, and another way is sequentially connected vapour compression machine 12, temperature-decreased pressure reducer 8 through pipeline
With the steam inlet of 1st effective evaporator 9.The indirect steam of 1st effective evaporator 9 enters the steam inlet of 2nd effect evaporator 10 all the way,
Another way enters No. four preheaters 7.The indirect steam of 2nd effect evaporator 10 enters the steam inlet of triple effect evaporator 11 all the way, separately
Enter No. three preheaters 6 all the way.The quadruple effect brine outlet 13b of four-effect evaporator 13 connects No. two preheaters 5, centrifuges through pipeline
3 connect No.1 preheater 4 with charging water pot 2, the water outlet of four-effect evaporator 13 through pipeline.Temperature-decreased pressure reducer 8 uses pipeline
It is connect with the water outlet pipe of 1st effective evaporator 9.No.1 preheater 4 and No. two preheaters 5 use plate heat exchanger, No. three preheatings
Device 6 and No. four preheaters 7 use shell-and-tube heat exchanger.
A kind of low-temperature multi-effect is concentrated by evaporation the processing method of high-salt wastewater：
（a）It it is 20 DEG C temperature, salinity is that the high-salt wastewater of 15%-25% is delivered to an effect after level Four preheater by feed pump 1
In evaporator 9, wherein the heat source of No.1 preheater 4 is that the strong brine of four-effect evaporator 13 drains, No. two preheaters 5
Heat source is that the fresh water of four-effect evaporator 13 drains, and the heat source of No. three preheaters 6 is the secondary steaming of 2nd effect evaporator 10
Vapour, the heat source of No. four preheaters 7 are the indirect steam of 1st effective evaporator 9；
（b）The temperature of heating steam is 60 DEG C when high-salt wastewater enters 1st effective evaporator 9, and the evaporating temperature of high-salt wastewater is 65 DEG C
By 1st effective evaporator 9 to four-effect evaporator 13, evaporating temperature is successively decreased 2.5 DEG C successively；High-salt wastewater between each effect evaporator with
Fair current form flows；
（c）The indirect steam that preceding 1st effective evaporator evaporation generates enters lower 1st effective evaporator as heat source, until quadruple effect steams
Device 13 is sent out, after the compression of vapour compression machine 12, temperature, pressure increases the indirect steam that four-effect evaporator 13 generates, and enthalpy increases
Add, being then back to 1st effective evaporator 9 through temperature-decreased pressure reducer 8 is used as heat source, the steam closed loop in completion system；
（d）Except system startup and stabilization sub stage, steam source is provided without extraneous in operational process, what four-effect evaporator 13 discharged
Strong brine removes crystal therein after centrifuge 3；
（e）System is run under vacuum degree condition, and vacuum extractor 14 ensures not containing incondensable gas in system.
Using above-mentioned technical proposal, the high-salt wastewater that temperature is 20 DEG C, salinity is 15% is divided to two branches to be transported to respectively
The heat source of board-like No.1 preheater 4 and No. two preheaters 5, No.1 preheater 4 drains for the fresh water of four-effect evaporator 13, and two
The heat source of number preheater 5 is that the strong brine of four-effect evaporator 13 drains.Two above branch brine is in outflow No.1 preheating
Device 4 and No. two preheaters 5 converge after exporting, and flow successively through No. three preheaters 6 of shell-and-tube and No. four preheaters 7, heat source
The respectively indirect steam of 2nd effect evaporator 10 and 1st effective evaporator 9.After one to No. four preheaters preheat, brine temp connects
Nearly preset effect evaporating temperature.Brine is followed by 1st effective evaporator 9,2nd effect evaporator 10,11 and of triple effect evaporator
Four-effect evaporator 13, and evaporate, concentrate, the cocnentration factor ranging from 1.5-4 of seawater, finally in four-effect evaporation in each effect evaporator
Device 13 is discharged to centrifuge 3.After highly concentrated seawater removes crystal therein in centrifuge 3, it is transported to strong brine
Holding vessel 2.Steam, which discharges heat and condensed in heat-transfer pipe of evaporator, becomes fresh water, manages outer brine and is heated as secondary steaming
Vapour.The indirect steam that upper 1st effective evaporator generates enters next effect evaporator tube and surveys as heat source；Upper 1st effective evaporator
Water outlet is connected with the bottom of lower 1st effective evaporator front head, and the fresh water that upper 1st effective evaporator generates is flashed in next effect part
After enter and be used as heat source in heat-transfer pipe.The indirect steam of four-effect evaporator 13 flow to vapour compression machine 12, improves its temperature
It flow to temperature-decreased pressure reducer after degree, pressure, enthalpy.In temperature-decreased pressure reducer 8, part fresh water and compression that 1st effective evaporator 9 generates
12 outlet vapor of machine blends so that superheated steam enters in 1st effective evaporator 9 after becoming saturated vapor again as heating heat
Source.
Claims (3)
1. a kind of low-temperature multi-effect is concentrated by evaporation the processing system of high-salt wastewater, it includes feed pump（1）, charging water pot（2）, centrifugation
Machine（3）, preheater, evaporator and vacuum extractor（14）, it is characterized in that：It further includes temperature-decreased pressure reducer（8）And both vapor compression
Machine（12）, the preheater includes No.1 preheater（4）, No. two preheaters（5）, No. three preheaters（6）With No. four preheaters
（7）, the evaporator includes sequentially connected 1st effective evaporator（9）, 2nd effect evaporator（10）, triple effect evaporator（11）And quadruple effect
Evaporator（13）, each steam inlet for imitating evaporator is connected to water outlet in bottom；The feed pump（1）Import through pipeline
Connection charging water pot（2）, outlet is sequentially connected No.1 preheater in parallel through pipeline（4）With No. two preheaters（5）, No. three preheatings
Device（6）With No. four preheaters（7）, No. four preheaters（7）1st effective evaporator is connected through pipeline（9）One effect brine inlet（9a）；
The four-effect evaporator（13）Quadruple effect brine inlet（13a）All the way vacuum extractor is connected through pipeline（14）, another way is through pipe
Road is sequentially connected vapour compression machine（12）, temperature-decreased pressure reducer（8）And 1st effective evaporator（9）Steam inlet；The one effect evaporation
Device（9）Indirect steam all the way enter 2nd effect evaporator（10）Steam inlet, another way enter No. four preheaters（7）, described
2nd effect evaporator（10）Indirect steam all the way enter triple effect evaporator（11）Steam inlet, another way enter No. three preheaters
（6）, the four-effect evaporator（13）Quadruple effect brine outlet（13b）No. two preheaters are connected through pipeline（5）, centrifuge（3）With
Feed water pot（2）, four-effect evaporator（13）Water outlet through pipeline connect No.1 preheater（4）；The temperature-decreased pressure reducer（8）
Using pipeline and 1st effective evaporator（9）Water outlet pipe connection.
2. a kind of low-temperature multi-effect according to claim 1 is concentrated by evaporation high-salt wastewater processing system, it is characterized in that：Described one
Number preheater（4）With No. two preheaters（5）Using plate heat exchanger, No. three preheaters（6）With No. four preheaters（7）Using shell
Formula heat exchanger.
3. a kind of low-temperature multi-effect according to claim 1 is concentrated by evaporation the processing method of high-salt wastewater, it is characterized in that：
（a）It it is 20 DEG C temperature, the high-salt wastewater that salinity is 15%-25% is after level Four preheater by feed pump（1）It is delivered to one
Imitate evaporator（9）In, wherein No.1 preheater（4）Heat source be four-effect evaporator（13）Strong brine draining, No. two are pre-
Hot device（5）Heat source be four-effect evaporator（13）Fresh water draining, No. three preheaters（6）Heat source be two effect evaporate
Device（10）Indirect steam, No. four preheaters（7）Heat source be 1st effective evaporator（9）Indirect steam；
（b）High-salt wastewater enters 1st effective evaporator（9）The temperature of Shi Jiare steam is 60 DEG C, and the evaporating temperature of high-salt wastewater is 65
DEG C by 1st effective evaporator（9）To four-effect evaporator（13）, evaporating temperature successively decreases 2.5 DEG C successively；High-salt wastewater is in each effect evaporator
Between in the form of fair current flow；
（c）The indirect steam that preceding 1st effective evaporator evaporation generates enters lower 1st effective evaporator as heat source, until quadruple effect steams
Send out device（13）, four-effect evaporator（13）The indirect steam of generation passes through vapour compression machine（12）After compression, temperature, pressure increases, enthalpy
Value increases, then through temperature-decreased pressure reducer（8）It is back to 1st effective evaporator（9）As heat source, the steam in completion system closes
Loop back path；
（d）Except system startup and stabilization sub stage, steam source, four-effect evaporator are provided without extraneous in operational process（13）Discharge
Strong brine pass through centrifuge（3）After remove crystal therein；
（e）System is run under vacuum degree condition, vacuum extractor（14）Incondensable gas is not contained in guarantee system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463675.8A CN108773869A (en) | 2018-05-15 | 2018-05-15 | A kind of low-temperature multi-effect is concentrated by evaporation the processing system and its processing method of high-salt wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810463675.8A CN108773869A (en) | 2018-05-15 | 2018-05-15 | A kind of low-temperature multi-effect is concentrated by evaporation the processing system and its processing method of high-salt wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108773869A true CN108773869A (en) | 2018-11-09 |
Family
ID=64027169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810463675.8A Pending CN108773869A (en) | 2018-05-15 | 2018-05-15 | A kind of low-temperature multi-effect is concentrated by evaporation the processing system and its processing method of high-salt wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108773869A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384944A (en) * | 2019-08-28 | 2019-10-29 | 南通晨光石墨设备有限公司 | Spent acid evaporation concentration equipment and waste acid treatment method |
| CN110407385A (en) * | 2019-07-12 | 2019-11-05 | 绍兴润泰环保科技有限公司 | A kind of coal chemical industrial wastewater processing system and its processing method |
| CN112794390A (en) * | 2020-12-31 | 2021-05-14 | 青海宜化化工有限责任公司 | Treatment device for chlor-alkali chemical wastewater and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201694861U (en) * | 2010-04-27 | 2011-01-05 | 杭州华达喷射真空设备有限公司 | Low-temperature multi-effect sea water desalination water treatment steam injection vacuum system |
| CN205773844U (en) * | 2016-05-17 | 2016-12-07 | 常州泰特环境设备工程有限公司 | A kind of high-salt wastewater triple effect evaporation crystallization apparatus without cooling down water |
| JP2017018927A (en) * | 2015-07-15 | 2017-01-26 | 日立造船株式会社 | Multi-utility type water producing apparatus |
-
2018
- 2018-05-15 CN CN201810463675.8A patent/CN108773869A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201694861U (en) * | 2010-04-27 | 2011-01-05 | 杭州华达喷射真空设备有限公司 | Low-temperature multi-effect sea water desalination water treatment steam injection vacuum system |
| JP2017018927A (en) * | 2015-07-15 | 2017-01-26 | 日立造船株式会社 | Multi-utility type water producing apparatus |
| CN205773844U (en) * | 2016-05-17 | 2016-12-07 | 常州泰特环境设备工程有限公司 | A kind of high-salt wastewater triple effect evaporation crystallization apparatus without cooling down water |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407385A (en) * | 2019-07-12 | 2019-11-05 | 绍兴润泰环保科技有限公司 | A kind of coal chemical industrial wastewater processing system and its processing method |
| CN110407385B (en) * | 2019-07-12 | 2024-04-12 | 绍兴润泰环保科技有限公司 | Coal chemical wastewater treatment system and treatment method thereof |
| CN110384944A (en) * | 2019-08-28 | 2019-10-29 | 南通晨光石墨设备有限公司 | Spent acid evaporation concentration equipment and waste acid treatment method |
| CN112794390A (en) * | 2020-12-31 | 2021-05-14 | 青海宜化化工有限责任公司 | Treatment device for chlor-alkali chemical wastewater and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104829026B (en) | High salt high concentration cellulose ether sewage disposal system | |
| CN101544437B (en) | Process method for recovering ammonium chloride and sodium chloride from waste water containing ammonium chloride and sodium chloride | |
| CN104803535B (en) | A kind of recovery system and recovery process for reclaiming salt from desulfurization wastewater | |
| CN106669207A (en) | MVR (mechanical vapor recompression) evaporation crystallization system and method for high-salinity wastewater | |
| CN108773869A (en) | A kind of low-temperature multi-effect is concentrated by evaporation the processing system and its processing method of high-salt wastewater | |
| WO2006094437A1 (en) | A method and an multi-effect evaporation for waste water of alkylene oxides | |
| CN103922529B (en) | Low-energy-consumption device for recycling hydrochloric acid waste water and method for recycling hydrochloric acid waste water | |
| CN208182649U (en) | The MVR processing equipment of electroplating wastewater | |
| CN106186501A (en) | A kind of high concentration ammonia nitrogen wastewater treatment system and processing method | |
| CN206508573U (en) | A kind of function of mechanical steam recompression evaporation and crystallization system of high-salt wastewater | |
| CN105236651A (en) | Technology for evaporating and crystallizing high concentration salt-containing wastewater in pulping and papermaking industries | |
| CN201587871U (en) | Multi-stage vacuum distillation sea water desalinating device | |
| CN111362492A (en) | Double-effect MVR evaporation treatment method | |
| CN103693702A (en) | Gas field produced water heat pump combination demineralizing equipment and demineralizing method | |
| CN107311381A (en) | A kind of reverse osmosis concentrated seawater comprehensive utilizing method and system | |
| CN110386706A (en) | A kind for the treatment of high-concentration saline organic wastewater processing system and method | |
| CN207871571U (en) | A kind of evaporating, concentrating and crystallizing system | |
| CN201301235Y (en) | Triple-effect continuous evaporative condenser | |
| CN204588909U (en) | A kind of recovery system reclaiming salt from desulfurization wastewater | |
| CN205990257U (en) | Strong brine zero discharge treatment evaporated crystallization device | |
| CN104724776B (en) | Devices and methods therefor in pressure evaporating indirect steam incorporation press water | |
| TNSN05147A1 (en) | Method and plant for desalinating salt-containing water | |
| CN104803538B (en) | A kind of low cost, low energy consumption process the process of sea water | |
| CN203855428U (en) | Gas field produced water heat pump combined forced circulation evaporation and crystallization demineralizer | |
| CN208182650U (en) | Ammonium sulphate waste liquor desalting processing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181109 |