CN205773322U - A kind of recovery potassium hyperchlorate and device of sodium chloride from potassium hyperchlorate effluent brine - Google Patents
A kind of recovery potassium hyperchlorate and device of sodium chloride from potassium hyperchlorate effluent brine Download PDFInfo
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- CN205773322U CN205773322U CN201620504196.2U CN201620504196U CN205773322U CN 205773322 U CN205773322 U CN 205773322U CN 201620504196 U CN201620504196 U CN 201620504196U CN 205773322 U CN205773322 U CN 205773322U
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- potassium hyperchlorate
- sodium chloride
- effluent brine
- hyperchlorate
- recovery
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Abstract
The utility model discloses a kind of recovery potassium hyperchlorate and device of sodium chloride from potassium hyperchlorate effluent brine, this device includes evaporating, concentrating and crystallizing system and freezing and crystallizing system；Evaporating, concentrating and crystallizing system includes head tank, condensed water preheater, vapor preheater, MVR crystallizing evaporator, thickener, centrifuge I and the mother liquor tank I being sequentially connected with, and described freezing and crystallizing system includes the cooler being sequentially connected with, freezing unit, centrifuge II and mother liquor tank II；This device processes potassium hyperchlorate effluent brine, the most at high temperature evaporation and concentration precipitated sodium chloride, crystallisation by cooling separates out part potassium hyperchlorate the most at low temperatures, the most freezing precipitation potassium hyperchlorate, and mother solution is recycled, achieve sodium chloride and potassium hyperchlorate in potassium hyperchlorate effluent brine efficiently separates recovery, and produces without waste liquid and waste residue, is truly realized the comprehensive utilization of potassium hyperchlorate effluent brine.
Description
Technical field
This utility model relates to a kind of device processing potassium hyperchlorate effluent brine, particularly to one from potassium hyperchlorate abraum salt
Water reclaims potassium hyperchlorate and the device of sodium chloride, belongs to energy-conserving and emission-cutting technology field.
Background technology
Potassium hyperchlorate is one of important kind of perchlorate, mainly for the manufacture of fireworks and firecrackers, safety match, explosive,
Meteorological rocket, civilian igniting coal, oxidant etc..The tradition potassium hyperchlorate technological process of production is: be electrolysed sodium chlorate for perchloric acid
Sodium, then carry out metathesis reaction with potassium chloride, cooling is centrifugal, i.e. prepares potassium hyperchlorate, and the double decomposition mother solution after being centrifuged is predominantly
Sodium chloride, also a small amount of chlorate, perchlorate, discharge after chilled recovery part potassium hyperchlorate.
Existing potassium hyperchlorate production technology can substantial amounts of potassium hyperchlorate effluent brine, and currently for this potassium hyperchlorate give up
The recovery process of saline is not perfect, or notable to investing the economic benefit brought, thus inevitably brings environmental protection to ask
Topic, this has caused the highest attention of insider.Some producers discharge in order to avoid potassium hyperchlorate effluent brine, once use evaporation
Waste water is evaporated by device, because the moisture content of evaporation too much (produces 1 ton of potassium hyperchlorate 3m3Waste water), the sodium chloride as impurity that evaporation prepares
Too high levels, without economic worth, and energy consumption is the highest, and abandons.The chloride hydrochlorate of potassium hyperchlorate effluent brine, perchlorate and other
A small amount of heavy metal (such as lead), perchlorate is not easily decomposed and environment causes long-time pollution, causes the salinization of soil, make environment
Become large effect.
Utility model content
The defect existed for the method for existing process potassium hyperchlorate effluent brine, the purpose of this utility model is to be to carry
For a kind of efficient, energy-conservation, low cost, the device that in potassium hyperchlorate effluent brine, potassium hyperchlorate and sodium chloride fully reclaim can be realized；
Utilizing this device three-waste free discharge, energy consumption is low, and low cost is simple to operate.
In order to realize above-mentioned technical purpose, this utility model provides a kind of dress processed for potassium hyperchlorate effluent brine
Put,
This device includes evaporating, concentrating and crystallizing system and freezing and crystallizing system；
Described evaporating, concentrating and crystallizing system includes head tank, condensed water preheater, vapor preheater, MVR crystallization and evaporation
Device, thickener, centrifuge I and mother liquor tank I；
Described head tank is linked in sequence condensed water preheater, vapor preheater, MVR crystallizing evaporator, stiff by pipeline
Device, centrifuge I and mother liquor tank I；
Described freezing and crystallizing system includes cooler, freezing unit, centrifuge II and mother liquor tank II；
Described mother liquor tank I is linked in sequence cooler, freezing unit, centrifuge II and mother liquor tank II by pipeline.
Preferably scheme, described mother liquor tank II is connected by circulating line with head tank.
Preferably scheme, described mother liquor tank I respectively and is provided with circulating line between thickener and MVR crystallizing evaporator.
Preferably scheme, evaporation concentration system includes distilling water pot, described distillation water pot respectively with condensed water preheater,
Vapor preheater and MVR crystallizing evaporator are connected by circulating line.
Preferably scheme, cooler is provided with outer cooling circulating water pipeline and the pipeline that adds water.
Preferably scheme, MVR crystallizing evaporator includes forced circulation heat exchanger, separator and compressor.
More preferably scheme, is connected by circulating line between compressor with forced circulation heat exchanger and separator.
More preferably scheme, MVR crystallizing evaporator includes forced circulation pump, described forced circulation pump and separator and by force
Connected by circulating line respectively between circulation heat exchanger processed.
Preferably scheme, forced circulation heat exchanger connects vacuum pump.
This utility model also provides for reclaiming potassium hyperchlorate and sodium chloride from potassium hyperchlorate effluent brine based on described device
Technique, this technique comprises the following steps:
1) the potassium hyperchlorate effluent brine in head tank (potassium hyperchlorate mass percentage content be 1～3%, sodium chloride quality
Degree is 12～20%) it is preheated to after temperature reaches 90～110 DEG C through condensed water preheater and vapor preheater, pump
Enter MVR crystallizing evaporator, when evaporation and concentration is until sodium chloride concentration reaches saturated, pump into thickener precipitated sodium chloride material, institute
Stating sodium chloride material and enter centrifuge separation, obtain sodium chloride product and mother solution I, sodium chloride product carries out discharging, mother solution I
Proceed to mother liquor tank I；
2) mother solution I temperature in mother liquor tank I is maintained 90～110 DEG C；
When the potassium hyperchlorate mass percent concentration of mother solution I is less than 8.2%, mother solution I returns MVR crystallizing evaporator and steams
Send out；
When the potassium hyperchlorate mass percent concentration of mother solution I reaches more than 11.3%, by every 20～30 mass parts height chlorine
Acid potassium adds the double decomposition solution in 1 mass parts water or potassium hyperchlorate production process, and described double decomposition solution is to relatively high chloric acid
Potassium is saturated, and unsaturated to sodium chloride；
The potassium hyperchlorate mass percent concentration making mother solution I regulates in the range of 8.2%～11.3%；
3) mother solution I after regulation concentration pumps into after cooler cools to 30～40 DEG C, pumps in freezing unit, is chilled to 0
～5 DEG C, separate out potassium hyperchlorate material；Described potassium hyperchlorate material passes through centrifuge II centrifugation, obtains potassium hyperchlorate product
With mother solution II, potassium hyperchlorate product carries out discharging, and mother solution II proceeds to mother liquor tank II；
4) mother solution II in mother liquor tank II returns head tank and is circulated.
Hinge structure, the Advantageous Effects that the technical solution of the utility model is brought:
(1) device of proposition of the present utility model is mainly made up of evaporating, concentrating and crystallizing system and refrigeration system, evaporates dense
The MVR crystallizing evaporator that contracting crystal system uses has that thermal effect is high, save the energy, feature low in energy consumption, refrigeration system mainly by
Cooler and freezing unit composition, cryoprobe first passes through outer loop water and tentatively cools down material, greatly reduces freezing
The energy loss of unit.Particularly in, device of the present utility model forms for the feature specialized designs of potassium hyperchlorate effluent brine,
Potassium hyperchlorate effluent brine can efficiently, quickly obtain sodium chloride product by MVR crystallizing evaporator；And cryoprobe is through at the beginning of recirculated water
Step cooling can obtain substantial amounts of potassium hyperchlorate nucleus, forms the high chlorine that crystal formation is good, purity is high in follow-up refrigerating process
Acid potassium crystal；This device can realize being sufficiently separated and reclaiming of sodium chloride and potassium hyperchlorate in potassium hyperchlorate effluent brine.
(2) this utility model uses MVR crystallizing evaporator to combine refrigeration system Combined Treatment potassium hyperchlorate effluent brine, utilizes
The feature that in potassium hyperchlorate effluent brine, sodium chloride is different from the dissolubility of potassium hyperchlorate and concentration, the most at high temperature evaporation and concentration
Precipitated sodium chloride, then crystallisation by cooling separates out potassium hyperchlorate at low temperatures, and mother solution is recycled, it is achieved that potassium hyperchlorate gives up
In saline sodium chloride and potassium hyperchlorate efficiently separate recovery, and produce without waste liquid and waste residue, be truly realized potassium hyperchlorate and give up
The comprehensive utilization of saline.
(3) device that this utility model provides is simple to operate, and automaticity is high, low cost, beneficially popularization and application.
Accompanying drawing explanation
[Fig. 1] is apparatus structure schematic diagram of the present utility model；
Wherein, 1 is head tank, and 2 is feed pump, and 3 is condensed water preheater, and 4 is vapor preheater, and 5 change for forced circulation
Hot device, 6 is separator, and 7 is forced circulation pump, and 8 is discharging pump, and 9 is thickener, and 10 is centrifuge, and 11 is mother liquor tank I, and 12 are
Mother solution pump I, 13 is cooler, and 14 is fridge, and 15 is centrifuge, and 16 is mother liquor tank II, and 17 is mother solution pump II, and 18 is distilled water
Tank, 19 is distilled water pump, and 20 is compressor, and 21 is vacuum pump.
Detailed description of the invention
Following example are intended to combine accompanying drawing and further illustrate this utility model content rather than limit this utility model power
The scope that profit is claimed.
The device processed for potassium hyperchlorate effluent brine of the present utility model is as shown in Figure 1.This apparatus main body includes evaporation
Condensing crystallizing system and freezing and crystallizing system two parts, be respectively used to evaporation and concentration separation and recovery chlorination sodium product, for freezing
Potassium hyperchlorate product is reclaimed in crystallization.
Evaporating, concentrating and crystallizing system include head tank 1, condensed water preheater 3, vapor preheater 4, MVR crystallizing evaporator,
Thickener 9, centrifuge I 10 and mother liquor tank I 11；According to the flow direction of material, head tank 1 is preheated by the pipeline condensed water that is linked in sequence
Device 3, vapor preheater 4, MVR crystallizing evaporator, thickener 9, centrifuge I 10 and mother liquor tank I 11.
Potassium hyperchlorate effluent brine material in head tank 1 pumps into condensed water preheater 3 by raw material pump, changes with condensed water
Heat, enters back into vapor preheater 4 and continues heat exchange, makes temperature of charge reach setting value, enters MVR crystallization and steam after temperature of charge is stable
Sending out device, carry out rapid evaporation concentration, concentrated solution enters thickener 9 and carries out crystallize, and crystal passes through centrifuge I 10 centrifugation,
To sodium chloride crystal product, centrifugation mother solution enters mother liquor tank I 11.
MVR crystallizing evaporator includes forced circulation heat exchanger 5, separator 6 and compressor 20；Compressor 20 and forced circulation
Connected by circulating line between heat exchanger 5 and separator 6；MVR crystallizing evaporator includes forced circulation pump 7, described pressure
It is connected by circulating line respectively between circulating pump 7 with separator 6 and forced circulation heat exchanger.After being compressed by compressor 20
Material inside steam and forced circulation heat exchanger 5 carries out heat exchange, heats material, and the steam after compression is condensed into condensation
Water；Enter in separator 6 after material heating and carry out flash distillation, carry out vapor-liquid separation, when liquid concentration is relatively low, can be followed by pressure
Ring pump 7 returns in forced circulation heat exchanger 5；Additionally for cultivating the place of sodium chloride crystal seed in separator 6.And dodge in separator 6
The indirect steam steamed enters in compressor 20 and is compressed, and makes the pressure and temperature of steam improve.Forced circulation heat exchanger 5, point
It is connected to form MVR crystallizing evaporator from device 6 and compressor 20 three.Material passes through forced circulation pump at forced circulation heat exchanger 5
And circulate between separator, constantly evaporate；And steam is followed between forced circulation heat exchanger 5 and separator 6 by compressor 20
Ring.
Forced circulation heat exchanger 5 connects vacuum pump 21, and vacuum pump is mainly used in maintaining and pressure in regulation system, thus
Determine the temperature of evaporation, i.e. determine the pressure in separator and forced circulation heat exchanger, also determine temperature.
Evaporation concentration system also include distill water pot 18, described distillation water pot 18 respectively with condensed water preheater 3, steam
Preheater 4 and MVR crystallizing evaporator is connected by circulating line.Distillation water pot acts primarily as in collection forced circulation heat exchanger 5
Condensed water, enables condensed water to flow to condensed water preheater 3 smoothly, enable material stable and condensed water heat exchange.
Mother liquor tank I 11 respectively and is provided with circulating line between thickener 9 and MVR crystallizing evaporator；Thing in mother liquor tank I 11
When material concentration is relatively low, MVR crystallizing evaporator can be returned by circulating line and carry out re-evaporation.And the overflowing liquid of thickener 9 can
Directly to enter mother liquor tank I 11 by circulating line.
Freezing and crystallizing system includes cooler 13, freezing unit 14, centrifuge II 15 and mother liquor tank II 16；Walk according to material
It is linked in sequence cooler 13, freezing unit 14, centrifuge II 14 and mother liquor tank II 16 by pipeline to, mother liquor tank I 11；Mother liquor tank
II 16 are connected by circulating line with head tank 1, and mother liquor tank II 16 returns head tank 1 and mixes with initial material, is circulated.Female
Material in flow container I 11 is mainly containing the potassium hyperchlorate that concentration is of a relatively high, and it is first pumped in cooler by mother solution pump I 12, logical
Cross external condensation water tentatively to cool down, enter back in freezing unit 14 and force cooling, separate out perchlorate crystal, enter back into centrifuge
II 15 centrifugations, obtain perchlorate crystal product, and the mother solution being simultaneously centrifugally separating to obtain enters mother liquor tank II 16, returns former
Flow container 1 circulates.
Cooler 13 is provided with outer cooling circulating water pipeline 22 and the pipeline 23 that adds water.Cooling circulating water pipeline 22 includes water inlet pipe
Constitute circulating system with outlet pipe, make material in cooler 13 tentatively cool down by recirculated water.Adding water pipeline 23 can be from outside
Add water in cooler, prevent sodium chloride from separating out.
Embodiment 1
MVR crystallization and evaporation is pumped into containing potassium hyperchlorate 1%, the effluent brine of sodium chloride 12% (by percentage to the quality) by 5 tons
Device concentrates: effluent brine is heated to 90 DEG C, pumps into crystallizing evaporator, starts compressor, starts evaporation.When effluent brine concentrates
During to sodium chloride saturated crystallization, pumping into sodium chloride thickener and start sodium chloride material, the material in thickener enters sodium chloride
Centrifuge, obtains solid sodium chloride and mother solution I.Mother solution I is collected in mother liquor tank I, when potassium hyperchlorate concentration does not arrives near full
And time, it is delivered to crystallizing evaporator by mother solution pump I and continues evaporation.When in crystallizing evaporator potassium hyperchlorate concentration near saturated time
(mass concentration is when 9%), is delivered to potassium hyperchlorate cooler by mother solution pump I by mother solution I, simultaneously to potassium hyperchlorate cooler
The a small amount of fresh water (FW) of middle addition is to prevent sodium chloride crystallization when cooling.Mother solution I, when being cooled to 30 DEG C, carries paramount chlorine
Acid potassium freezing unit.In potassium hyperchlorate freezing unit, when mother solution I is refrigerated to 5 DEG C, potassium hyperchlorate separates out complete, by mother solution I He
Potassium hyperchlorate crystallization is delivered to potassium hyperchlorate centrifuge, obtains potassium hyperchlorate solid and mother solution II, and mother solution II is collected in mother
Flow container II, is delivered to head tank circulating and evaporating by mother solution pump II, and the condensed water in crystallizing evaporator passes through preheater to raw material
Preheating.Technological parameter is as follows:
Embodiment 2
MVR crystallization and evaporation is pumped into containing potassium hyperchlorate 2%, the effluent brine of sodium chloride 15% (by percentage to the quality) by 20 tons
Device concentrates: effluent brine is heated to 100 DEG C, pumps into crystallizing evaporator, starts compressor, starts evaporation.When effluent brine is dense
When being reduced to sodium chloride saturated crystallization, pumping into sodium chloride thickener and start sodium chloride material, the material in thickener enters chlorination
Sodium centrifuge, obtains solid sodium chloride and mother solution I.Mother solution I is collected in mother liquor tank I, when potassium hyperchlorate concentration does not arrives closely
Time saturated, it be delivered to crystallizing evaporator by mother solution pump I and continue evaporation.When in crystallizing evaporator potassium hyperchlorate concentration near saturated time
(mass concentration is when 10%), is delivered to potassium hyperchlorate cooler by mother solution pump I by mother solution I, cools down to potassium hyperchlorate simultaneously
Device adds a small amount of fresh water (FW) to prevent sodium chloride crystallization when cooling.Mother solution I, when being cooled to 35 DEG C, carries paramount
Potassium chlorate freezing unit.In potassium hyperchlorate freezing unit, when mother solution I is refrigerated to 5 DEG C, potassium hyperchlorate separates out complete, by mother solution I
Being delivered to potassium hyperchlorate centrifuge with potassium hyperchlorate crystallization, obtain potassium hyperchlorate solid and mother solution II, mother solution II is collected in
Mother liquor tank II, is delivered to head tank circulating and evaporating by mother solution pump II, and the condensed water in crystallizing evaporator is given former by preheater
Material preheating.Technological parameter is as follows:
Embodiment 3
100 tons are pumped into MVR crystallization steam containing potassium hyperchlorate 3%, the effluent brine of sodium chloride 17% (by percentage to the quality)
Send out device to concentrate: effluent brine is heated to 110 DEG C, pump into crystallizing evaporator, start compressor, start evaporation.Work as effluent brine
When being concentrated to sodium chloride saturated crystallization, pumping into sodium chloride thickener and start sodium chloride material, the material in thickener enters chlorine
Change sodium centrifuge, obtain solid sodium chloride and mother solution I.Mother solution I is collected in mother liquor tank I, when potassium hyperchlorate concentration does not arrives
Near saturated time, by mother solution pump I be delivered to crystallizing evaporator continue evaporation.When in crystallizing evaporator, potassium hyperchlorate concentration is the most saturated
Time (mass concentration is when 11%), by mother solution pump I, mother solution I is delivered to potassium hyperchlorate cooler, the coldest to potassium hyperchlorate
Device but adds a small amount of fresh water (FW) to prevent sodium chloride crystallization when cooling.Mother solution I, when being cooled to 40 DEG C, is delivered to
Potassium hyperchlorate freezing unit.In potassium hyperchlorate freezing unit, when mother solution I is refrigerated to 5 DEG C, potassium hyperchlorate separates out complete, by mother
Liquid I and potassium hyperchlorate crystallization are delivered to potassium hyperchlorate centrifuge, obtain potassium hyperchlorate solid and mother solution II, and mother solution II is collected
At mother liquor tank II, being delivered to head tank circulating and evaporating by mother solution pump II, the condensed water in crystallizing evaporator is given by preheater
Raw material preheating.Technological parameter is as follows:
Claims (9)
1. one kind is reclaimed potassium hyperchlorate and the device of sodium chloride from potassium hyperchlorate effluent brine, it is characterised in that:
Including evaporating, concentrating and crystallizing system and freezing and crystallizing system；
Described evaporating, concentrating and crystallizing system includes that head tank (1), condensed water preheater (3), vapor preheater (4), MVR crystallize
Vaporizer, thickener (9), centrifuge I (10) and mother liquor tank I (11)；
Described head tank (1) by pipeline be linked in sequence condensed water preheater (3), vapor preheater (4), MVR crystallizing evaporator,
Thickener (9), centrifuge I (10) and mother liquor tank I (11)；
Described freezing and crystallizing system includes cooler (13), freezing unit (14), centrifuge II (15) and mother liquor tank II (16)；
Described mother liquor tank I (11) is linked in sequence cooler (13), freezing unit (14), centrifuge II (15) and mother solution by pipeline
Tank II (16).
Recovery potassium hyperchlorate and the device of sodium chloride, its feature from potassium hyperchlorate effluent brine the most according to claim 1
It is: described mother liquor tank II (16) is connected by circulating line with head tank (1).
Recovery potassium hyperchlorate and the device of sodium chloride, its feature from potassium hyperchlorate effluent brine the most according to claim 1
It is: described mother liquor tank I (11) respectively and is provided with circulating line between thickener (9) and MVR crystallizing evaporator.
Recovery potassium hyperchlorate and the device of sodium chloride, its feature from potassium hyperchlorate effluent brine the most according to claim 1
Be: described evaporation concentration system include distill water pot (18), described distillation water pot (18) respectively with condensed water preheater
(3), vapor preheater (4) and MVR crystallizing evaporator are connected by circulating line.
Recovery potassium hyperchlorate and the device of sodium chloride, its feature from potassium hyperchlorate effluent brine the most according to claim 1
It is: described cooler is provided with outer cooling circulating water pipeline (22) and the pipeline that adds water (23).
6. according to recovery potassium hyperchlorate and the dress of sodium chloride from potassium hyperchlorate effluent brine described in any one of Claims 1 to 5
Put, it is characterised in that: described MVR crystallizing evaporator includes forced circulation heat exchanger (5), separator (6) and compressor (20).
Recovery potassium hyperchlorate and the device of sodium chloride, its feature from potassium hyperchlorate effluent brine the most according to claim 6
It is: described compressor (20) is connected by circulating line with between forced circulation heat exchanger (5) and separator (6).
Recovery potassium hyperchlorate and the device of sodium chloride, its feature from potassium hyperchlorate effluent brine the most according to claim 6
It is: described MVR crystallizing evaporator includes forced circulation pump (7), described forced circulation pump (7) and separator (6) and by force
Circulation heat exchanger processed is connected by circulating line between (5) respectively.
Recovery potassium hyperchlorate and the device of sodium chloride, its feature from potassium hyperchlorate effluent brine the most according to claim 6
It is: described forced circulation heat exchanger (5) connects vacuum pump (21).
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| CN201620504196.2U CN205773322U (en) | 2016-05-27 | 2016-05-27 | A kind of recovery potassium hyperchlorate and device of sodium chloride from potassium hyperchlorate effluent brine |
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| CN201620504196.2U CN205773322U (en) | 2016-05-27 | 2016-05-27 | A kind of recovery potassium hyperchlorate and device of sodium chloride from potassium hyperchlorate effluent brine |
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| CN106007135A (en) * | 2016-05-27 | 2016-10-12 | 湖南傲创科技有限公司湘潭分公司 | Potassium perchlorate effluent brine treatment apparatus, and technology for recovering potassium perchlorate and sodium chloride from potassium perchlorate effluent brine |
| CN108298758A (en) * | 2018-04-27 | 2018-07-20 | 徐翔 | Navajoite produces Waster water reuse apparatus and its technique |
| CN108751298A (en) * | 2018-05-25 | 2018-11-06 | 安徽金龙机械有限公司 | A kind of brine waste evaporated crystallization device |
| CN109248465A (en) * | 2018-09-27 | 2019-01-22 | 茂县鑫盐化工有限公司 | Potassium hyperchlorate the systematic stock solution and wastewater recycling process |
| CN109574042A (en) * | 2018-12-21 | 2019-04-05 | 中国科学院过程工程研究所 | The separation method of potassium sodium in a kind of mixed chlorinated salt containing potassium and sodium |
| CN110898450A (en) * | 2019-12-13 | 2020-03-24 | 石棉县天钰科技有限公司 | Device and method for potassium perchlorate mother liquor evaporation concentration process |
| CN112408569A (en) * | 2020-11-30 | 2021-02-26 | 江苏清泉化学股份有限公司 | Continuous treatment method of high-salinity wastewater containing sodium chloride |
| CN113562914A (en) * | 2021-07-19 | 2021-10-29 | 常州乐研分离技术有限公司 | High-concentration ammonium sulfate waste water concentration freezing crystallization device |
| WO2022142184A1 (en) * | 2020-12-29 | 2022-07-07 | 国网河北省电力有限公司电力科学研究院 | Forced circulation evaporator for sewage treatment of fossil fuel power plant |
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| CN106007135A (en) * | 2016-05-27 | 2016-10-12 | 湖南傲创科技有限公司湘潭分公司 | Potassium perchlorate effluent brine treatment apparatus, and technology for recovering potassium perchlorate and sodium chloride from potassium perchlorate effluent brine |
| CN106007135B (en) * | 2016-05-27 | 2018-11-06 | 湖南傲创科技有限公司湘潭分公司 | Potassium hyperchlorate abraum salt water treatment facilities and the technique that potassium hyperchlorate and sodium chloride are recycled from potassium hyperchlorate effluent brine |
| CN108298758A (en) * | 2018-04-27 | 2018-07-20 | 徐翔 | Navajoite produces Waster water reuse apparatus and its technique |
| CN108298758B (en) * | 2018-04-27 | 2024-04-12 | 江苏和诚制药设备制造有限公司 | Vanadium ore production wastewater recycling device and process thereof |
| CN108751298A (en) * | 2018-05-25 | 2018-11-06 | 安徽金龙机械有限公司 | A kind of brine waste evaporated crystallization device |
| CN109248465A (en) * | 2018-09-27 | 2019-01-22 | 茂县鑫盐化工有限公司 | Potassium hyperchlorate the systematic stock solution and wastewater recycling process |
| CN109574042A (en) * | 2018-12-21 | 2019-04-05 | 中国科学院过程工程研究所 | The separation method of potassium sodium in a kind of mixed chlorinated salt containing potassium and sodium |
| CN110898450A (en) * | 2019-12-13 | 2020-03-24 | 石棉县天钰科技有限公司 | Device and method for potassium perchlorate mother liquor evaporation concentration process |
| CN112408569A (en) * | 2020-11-30 | 2021-02-26 | 江苏清泉化学股份有限公司 | Continuous treatment method of high-salinity wastewater containing sodium chloride |
| WO2022142184A1 (en) * | 2020-12-29 | 2022-07-07 | 国网河北省电力有限公司电力科学研究院 | Forced circulation evaporator for sewage treatment of fossil fuel power plant |
| CN113562914A (en) * | 2021-07-19 | 2021-10-29 | 常州乐研分离技术有限公司 | High-concentration ammonium sulfate waste water concentration freezing crystallization device |
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