CN205773470U - A kind of crystal system for desulfurization wastewater recycling treatment - Google Patents
A kind of crystal system for desulfurization wastewater recycling treatment Download PDFInfo
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- CN205773470U CN205773470U CN201620561604.8U CN201620561604U CN205773470U CN 205773470 U CN205773470 U CN 205773470U CN 201620561604 U CN201620561604 U CN 201620561604U CN 205773470 U CN205773470 U CN 205773470U
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Abstract
This utility model provides a kind of crystal system for desulfurization wastewater recycling treatment, including Na2SO4Crystalline element and NaCl crystalline element.Wherein, Na2SO4Crystalline element includes one section of flash tank, one section of heat exchanger, one section of circulating pump, one section of vapour compression machine, freezing and crystallizing tank, freezing and crystallizing circulating pump, freezing unit and expansion chamber, one section of flash tank, one section of circulating pump and one section of heat exchanger are sequentially connected with by circulating line and form one section of evaporation and concentration closed circuit, and freezing and crystallizing tank, freezing and crystallizing circulating pump and freezing unit are sequentially connected with by circulating line and form freezing and crystallizing closed circuit；NaCl crystalline element includes that, into water preheater, two-stage nitration flash tank, two-stage nitration heat exchanger, two-stage nitration circulating pump and two-stage nitration vapour compression machine, two-stage nitration flash tank, two-stage nitration circulating pump and two-stage nitration heat exchanger are sequentially connected with by circulating line and form dual circulation concentration cycles loop.This utility model can produce high-quality condensed water and high-purity crystallized salt, thus realizes the recycling treatment of desulfurization wastewater.
Description
Technical field
This utility model relates to a kind of Waste Water Treatment；More particularly, this utility model relates to a kind of for desulfurization
The crystal system that waste water reclaiming processes.
Background technology
Along with developing rapidly of China's economy and electric power, in the many coals of northern China, the area of few water, water resource available
Amount reduces day by day, and rising steadily of water price and charges for disposing pollutants, it is inevitable that power plant effluent realizes resource.Even if it is relative in water resource
Abundant area, strict along with environmental requirement, it is achieved the resource of waste water is also a kind of trend of power plant water.From sustainable
Development viewpoint is seen, environmental requirement the strictest so that the resource of desulfurization wastewater is the inexorable trend of power plant's environmental protection development.
Chinese patent application CN201510868739.9 discloses the method and system of a kind of desulfurization wastewater zero-emission, and this is
System includes medicament sofening treatment device, resin softening plant, reverse osmosis treatment device and the evaporated crystallization device being sequentially communicated, logical
Cross difference recycling condensing water after process, thus reach the purpose of desulfurization wastewater zero-emission.
Chinese patent application CN201520738649.3 discloses a kind of desulfurization wastewater zero discharge treatment device, including desulfurization
Waste water baffle-box, desulfurization wastewater pump, coagulation clarification filters and softens pond, intermediate water tank, middle water pump, ion exchange softening bed, cigarette
Gas evaporation concentration device, waste liquid concentrate pond, thickened waste liquid pump, water-distributing device and booster fan.Desulfurization wastewater is through two grades
After sofening treatment and evaporation and concentration, for ash disposal system and slag removing system.This device uses the process technique of the treatment of wastes with processes of wastes against one another, capital construction
Cheap with operating cost, economical realizes desulfurization wastewater zero-emission.
Although using technique scheme all can realize zero-emission or the near-zero release of desulfurization wastewater, but wherein produced
Raw crystal salt is faced with need to go the difficult situation of process again because of secondary pollution.Therefore, it is necessary to technique scheme is entered
Row improves, to provide a kind of desulfurization wastewater treatment system that can realize desulfurization wastewater resource reutilization the most substantially.
Summary of the invention
For the deficiencies in the prior art, main purpose of the present utility model is to provide one can produce high-quality condensed water
With the crystal system of high-purity crystallized salt, to realize the recycling treatment of desulfurization wastewater.
In order to realize above-mentioned main purpose, this utility model provides a kind of knot for desulfurization wastewater recycling treatment
Crystallographic system is united, including Na2SO4Crystalline element and NaCl crystalline element, wherein:
Na2SO4Crystalline element includes one section of flash tank, one section of heat exchanger, one section of circulating pump, one section of vapour compression machine, freezing
Crystallizer, freezing and crystallizing circulating pump, freezing unit and expansion chamber；
Wherein, one section of flash tank, one section of circulating pump and one section of heat exchanger are sequentially connected with by circulating line and form one section
Evaporation and concentration closed circuit, one section of vapour compression machine has steam inlet and steam (vapor) outlet, and the steam of one section of vapour compression machine enters
Mouth is connected with the steam outlet of one section of flash tank, and the steam of the steam (vapor) outlet of one section of vapour compression machine and one section of heat exchanger enters
Mouth is connected；
Freezing and crystallizing tank, freezing and crystallizing circulating pump and freezing unit are sequentially connected with by circulating line and form freezing and crystallizing
Closed circuit, this freezing and crystallizing closed circuit and one section of flash tank are connected, the externally ported connection expansion chamber of freezing and crystallizing tank；
NaCl crystalline element includes into water preheater, two-stage nitration flash tank, two-stage nitration heat exchanger, two-stage nitration circulating pump and two-stage nitration steam
Compressor；
Wherein, two-stage nitration flash tank, two-stage nitration circulating pump and two-stage nitration heat exchanger are sequentially connected with by circulating line and form two-stage nitration
Evaporation and concentration closed circuit；The cold flow side water inlet of water inlet preheater exports with the supernatant of expansion chamber and is connected, and cold flow side goes out
The mouth of a river concentrates loop with dual circulation and is connected；Two-stage nitration vapour compression machine has steam inlet and steam (vapor) outlet, two-stage nitration vapour pressure
The steam inlet of contracting machine is connected with the steam outlet of two-stage nitration flash tank, and the steam (vapor) outlet of two-stage nitration vapour compression machine changes with two-stage nitration
The steam inlet of hot device is connected, and steam enters the hot-fluid side of water inlet preheater after condensing in two-stage nitration heat exchanger.
This utility model is intended to be combined two sections of crystallization apparatus to process for the crystal system of desulfurization wastewater recycling treatment
The desulfurization wastewater of pretreatment processes.Wherein, pretreatment main purpose is to remove desulfurization wastewater hardness, avoids crystallization as far as possible
There is the harm of fouling in system, and pretreating process is optionally optimized according to waste water quality.Given up by the desulfurization softened
Water has the feature of high salinity, mainly includes SO4 2-、Na+、Cl-Deng.
Desulfurization wastewater after being softened by pretreatment initially enters Na2SO4Crystalline element concentrate after freezing and crystallizing,
Separate out Na2SO4Crystal salt is by recycling after dehydrate, and the condensed water of generation carries out reuse after preheating cooling.Na2SO4Knot
Waste liquid after crystalline substance enters NaCl crystalline element, and NaCl crystalline element utilizes evaporative crystallization principle, separates out NaCl crystal salt by de-
Water is the most recycling.Desulfurization wastewater after sofening treatment is processed, after process by two sections of crystallization apparatus of combination
Produce water and reach the water standard of recirculated water, recyclable recycling, by freeze crystallization and evaporative crystallization method separating sodium sulfate and
Sodium chloride, it is achieved the resource of desulfurization wastewater.
In this utility model, for realizing long-term, the stable operation of crystal system, system need to discharge a small amount of mother solution in right amount, keeps away
Exempt from the accumulation of Organic substance and nitrate, affect the quality of crystal salt.After above two sections of crystallization treatment, desulfurization wastewater finally produces
Going out and be divided into four parts, one is condensed water, this water water quality crystal desalination water, can be again with；It two is sulfate crystal salt, knot
Brilliant salt can reach industrial salt standard；It three is sodium chloride crystal salt, and crystal salt equally reaches industrial salt standard；They are four years old
For a small amount of mother solution, Mother liquid is less than the 1% of total inflow, and this part waste liquid can be used for power plant's ash disposal system and slag removing system
Deng.
According to a kind of detailed description of the invention of the present utility model, one section of flash tank includes tank body and is arranged on this tank base
Salt lower limb, this salt lower limb is provided with the first waterwater entrance and be positioned under this first waterwater entrance magma outlet, this magma goes out
Mouth is connected with freezing and crystallizing closed circuit.
Preferably, the magma of one section of flash tank exports and is connected freezing and crystallizing tank and the circulating line of freezing and crystallizing circulating pump
It is connected.
According to another detailed description of the invention of the present utility model, two-stage nitration flash tank includes tank body and is arranged on this tank base
Salt lower limb, this salt lower limb is provided with the second waterwater entrance and be positioned under this second waterwater entrance magma outlet.
In this utility model, the top of one section of flash tank and two-stage nitration flash tank inner chamber can be respectively arranged with demister.
Preferably, above-mentioned demister includes being positioned at the deflection plate of lower floor and being positioned at the silk screen on upper strata.
In this utility model, most of drop of entrainment with steam is removed, due to baffling by being positioned at the deflection plate of lower floor
The vapour-liquid passage of plate is relatively big, because of without blocking.Through preliminary remove drop after steam enter silk screen, by steam remaining directly
The droplet removal that footpath is less, to ensure the quality of steam.
According to another detailed description of the invention of the present utility model, two-stage nitration vapour compression machine is secondary mechanical vapour compression machine.
In this utility model, it is preferable that one section of heat exchanger is less than one section of flash tank, and two-stage nitration heat exchanger is less than two-stage nitration flash distillation
Tank.
According to another detailed description of the invention of the present utility model, the cold flow side outlet of water inlet preheater dodges with being connected two-stage nitration
Steaming pot is connected with the circulating line of two-stage nitration circulating pump.
According to another detailed description of the invention of the present utility model, NaCl crystalline element also includes condensation water tank, this condensed water
Case is connected with the condensation-water drain of two-stage nitration heat exchanger, and cold to the hot-fluid side supply of water inlet preheater under the effect of condensate pump
Solidifying water.
Compared with prior art, this utility model possesses following beneficial effect:
This utility model for desulfurization wastewater dissolves the different characteristic of salinity, the method using two-period form condensing crystallizing,
Produce high-quality condensed water and highly purified crystal salt, it is achieved the resource recycling of desulfurization wastewater；It addition, this practicality is new
Type combines and have employed steam mechanical recompression (MVR) technology, thus the low energy consumption realizing crystal system runs and produces with low energy consumption
Go out high-quality product.
In order to more clearly illustrate the purpose of this utility model, technical scheme and advantage, real with concrete below in conjunction with the accompanying drawings
This utility model is described in further detail by mode of executing.
Accompanying drawing explanation
Fig. 1 is Na in this utility model crystal system embodiment2SO4The structural representation of crystalline element；
Fig. 2 is the structural representation of NaCl crystalline element in this utility model crystal system embodiment.
Detailed description of the invention
Fig. 1 and Fig. 2 respectively illustrates this utility model Na in the crystal system of desulfurization wastewater recycling treatment2SO4
Crystalline element and NaCl crystalline element.
As it is shown in figure 1, Na2SO4Crystalline element includes enrichment facility and freezing and crystallizing device.Wherein, enrichment facility includes one
Section flash tank 1-1, one section of heat exchanger 1-2, one section of circulating pump 1-3 and one section of vapour compression machine 1-4；Freezing and crystallizing device includes
Freezing and crystallizing tank 1-5, freezing unit 1-6, freezing and crystallizing circulating pump 1-7 and expansion chamber 1-8.
One section of flash tank 1-1 is used for the flash concentration of desulfurization wastewater, and the bottom including tank body 10 and with tank body 10 is connected
Salt lower limb 11.Wherein, tank body 10 bottom is provided with internal vent 101, and top is provided with interior inlet 102, and top is provided with steaming
Vapour floss hole 103；It is provided with the first waterwater entrance 111 on salt lower limb 11 and is positioned at the magma outlet below the first waterwater entrance 111
112.It addition, the top of tank body 10 inner chamber is additionally provided with is positioned at ullage the double-deck demister less than steam outlet 103
104, the lower floor of double-deck demister 104 be deflection plate form, upper strata be web form.
The Main Function of one section of heat exchanger 1-2 is heated waste water, and it has liquid inlet 21, liquid outlet 22, steam enter
Mouth 23 and condensation-water drain 24.Wherein, it is ensured that the pressure in one section of heat exchanger 1-2 higher than the pressure in one section of flash tank 1-1, and
The position less than one section of flash tank 1-1, the position of one section of heat exchanger 1-2.
The Main Function of one section of circulating pump 1-3 is to provide the circulation power of desulfurization wastewater, and it has loop head 31 and follows
Ring outlet 32.Between loop head 31 and the internal vent 101 of one section of flash tank 1-1 of one section of circulating pump 1-3, one section of circulating pump
Between loop exit 32 and the liquid inlet 21 of one section of heat exchanger 1-2 of 1-3, the liquid outlet 22 and of one section of heat exchanger 1-2
Between the interior inlet 102 of section flash tank 1-1 and be attached by circulating line, thus one section of flash tank 1-1, one section
One section of evaporation and concentration closed circuit is formed between circulating pump 1-3 and one section of heat exchanger 1-2.Connecting circulating pump 1-3 and flash tank
Being provided with main waterwater entrance 10 on first circulating line of 1-1, desulfurization wastewater is inputted one section of evaporation and concentration by main waterwater entrance 10
Closed circuit.
The Main Function of one section of vapour compression machine 1-4 is to be compressed steam and to Na2SO4Crystalline element provides energy.
As it is shown in figure 1, it has steam inlet 41 and steam (vapor) outlet 42, steam inlet 41 and the steam outlet of one section of flash tank 1-1
Between 103, connected by pipeline between steam (vapor) outlet 42 and the steam inlet 23 of one section of heat exchanger 1-2.Produced by flash distillation two
Secondary steam out enters one section of vapour compression machine 1-4 from the steam outlet 103 of one section of flash tank 1-1, and indirect steam passes through one
After the compression of section compressor 1-4 obtains energy, entering one section of heat exchanger 1-2 and carry out heat exchange, the condensed fluid of generation is gone out by condensed water
Mouth 24 is discharged and can reuse.
Freezing and crystallizing tank 1-5 is for the precipitation of crystal salt, and it has interior inlet 51, internal vent 52 and externally ported
53.The Main Function of freezing and crystallizing circulating pump 1-7 is to provide the circulation power of freezing and crystallizing waste water, and it has loop head 71 He
Loop exit 72.Freezing unit 1-6 is used for cooling down magma, predominantly heat-exchanger rig, wherein magma master direct acting with magma
The hot side of heat-exchanger rig to be flow through, and cold side is flowed through by coolant media, thus the cooling realizing magma is freezing.Expansion chamber 1-8 master
The sedimentation of crystal salt to be used for, it has magma entrance 81, position supernatant to its upper and exports 82 and be positioned at its underpart
Crystal salt outlet 83.Supernatant outlet 82 will access NaCl crystalline element, and crystal salt outlet 83 then accesses dehydrogenation drying equipment (figure
Not shown in).Crystal salt after dehydrate can recycle.
Between internal vent 52 and the loop head 71 of freezing and crystallizing circulating pump 1-7 of freezing and crystallizing tank 1-5, freezing and crystallizing
Between the hot side entrance 61 of the loop exit 72 of circulating pump 1-7 and freezing unit 1-6 and the hot side outlet of freezing unit 1-6
62 and between and the interior inlet 51 of freezing and crystallizing tank 1-5 between connected by circulating line, thus freezing and crystallizing tank 1-5,
Freezing and crystallizing closed circuit is formed between freezing and crystallizing circulating pump 1-7 and freezing unit 1-6.The magma of one section of flash tank 1-1 goes out
Mouth 112 is connected with the circulating line being connected freezing and crystallizing tank 1-5 and freezing and crystallizing circulating pump 1-7.Magma concentrated solution is by cold
Freeze brilliant circulating pump 1-7 to be circulated in freezing and crystallizing tank 1-5 and freezing unit 1-6.Freezing and crystallizing tank 1-5's is externally ported
53 magma entrances 81 being connected to expansion chamber 1-8.
As in figure 2 it is shown, NaCl crystalline element include into water preheater 2-1, two-stage nitration flash tank 2-2, two-stage nitration heat exchanger 2-3,
Two-stage nitration circulating pump 2-4, two-stage nitration vapour compression machine 2-5, condensation water tank 2-6 and condensate water circulatory pump 2-7.
Wherein, two-stage nitration flash tank 2-2, two-stage nitration heat exchanger 2-3, two-stage nitration circulating pump 2-4 and two-stage nitration vapour compression machine 2-5 and
Section flash tank 1-1, one section of heat exchanger 1-2, one section of circulating pump 1-3 and the structure of one section of vapour compression machine 1-4, annexation and
Operation principle is essentially identical, and unique difference is that two-stage nitration vapour compression machine 2-5 is that secondary mechanical vapour compression machine (i.e. uses two
Vapour compression machine, wherein the outlet of one-level vapour compression machine connects second steam compressor) therefore omit two-stage nitration flash tank 2-at this
2, annexation and operation principle detailed between two-stage nitration heat exchanger 2-3, two-stage nitration circulating pump 2-4 and two-stage nitration vapour compression machine 2-5
Explanation.
Water inlet preheater 2-1 is for preheating the desulfurization wastewater concentrated solution after freezing and crystallizing, and its cold flow side is entered
The supernatant of the mouth of a river 211 and expansion chamber 1-8 exports 82 and is connected, cold flow side outlet 212 be connected two-stage nitration flash tank 2-2 and two
The circulating line of section circulating pump 2-4 is connected.The condensing water inlet 261 of condensation water tank 2-6 and the condensed water of two-stage nitration heat exchanger 2-3
Outlet 231 is connected, and condensation-water drain 262 is connected by the hot-fluid side water inlet 213 of condensate pump 2-7 with water inlet preheater 2-1
Logical so that the condensed water in condensation water tank 2-6 enters the hot-fluid side of water inlet preheater 2-1 under the effect of condensate pump 2-7.
In two-stage nitration flash tank 2-2, the NaCl crystal salt entrance by producing after evaporation and concentration is arranged on two-stage nitration flash tank 2-
In salt lower limb 221 bottom 2, and by magma outlet 2211 discharge being arranged on salt lower limb 221, the most recyclable after dehydrate
Recycling.It addition, be additionally provided with the second waterwater entrance 2212, the second waterwater entrance on the salt lower limb 221 of two-stage nitration flash tank 2-2
2212 tops being positioned at magma outlet 2211.
Although this utility model is disclosed above with preferred embodiment, but it is not limited to the model that this utility model is implemented
Enclose.Any those of ordinary skill in the art, without departing from invention scope of the present utility model, when making a little improvement,
The most every equal improvement done according to this utility model, should be scope of the present utility model and is contained.
Claims (10)
1. for a crystal system for desulfurization wastewater recycling treatment, including Na2SO4Crystalline element and NaCl crystalline element, its
It is characterised by:
Described Na2SO4Crystalline element includes one section of flash tank, one section of heat exchanger, one section of circulating pump, one section of vapour compression machine, freezing
Crystallizer, freezing and crystallizing circulating pump, freezing unit and expansion chamber；
Wherein, described one section of flash tank, one section of circulating pump and one section of heat exchanger are sequentially connected with by circulating line and form one section
Evaporation and concentration closed circuit, described one section of vapour compression machine has steam inlet and steam (vapor) outlet, described one section of vapour compression machine
Steam inlet be connected with the steam outlet of described one section of flash tank, the steam (vapor) outlet of described one section of vapour compression machine and institute
The steam inlet stating one section of heat exchanger is connected；
Described freezing and crystallizing tank, freezing and crystallizing circulating pump and freezing unit are sequentially connected with by circulating line and form freezing and crystallizing
Closed circuit, described freezing and crystallizing closed circuit is connected with described one section of flash tank, described freezing and crystallizing tank externally ported
Connect expansion chamber；
Described NaCl crystalline element includes into water preheater, two-stage nitration flash tank, two-stage nitration heat exchanger, two-stage nitration circulating pump and two-stage nitration steam
Compressor；
Wherein, described two-stage nitration flash tank, two-stage nitration circulating pump and two-stage nitration heat exchanger are sequentially connected with by circulating line and form two-stage nitration
Evaporation and concentration closed circuit；The cold flow side water inlet of described water inlet preheater exports with the supernatant of described expansion chamber and is connected,
Cold flow side outlet concentrates loop with described dual circulation and is connected；Described two-stage nitration vapour compression machine has steam inlet and steam
Outlet, the steam inlet of described two-stage nitration vapour compression machine is connected with the steam outlet of described two-stage nitration flash tank, described two-stage nitration
The steam (vapor) outlet of vapour compression machine is connected with the steam inlet of described two-stage nitration heat exchanger, and steam is cold in described two-stage nitration heat exchanger
The hot-fluid side of described water inlet preheater is entered after Ning.
2. crystal system as claimed in claim 1, it is characterised in that: described one section of flash tank includes tank body and is arranged on this tank
Salt lower limb bottom body, this salt lower limb is provided with the first waterwater entrance and is positioned at the magma outlet under this first waterwater entrance, should
Magma outlet is connected with described freezing and crystallizing closed circuit.
3. crystal system as claimed in claim 2, it is characterised in that: the magma outlet of described one section of flash tank be connected described in
Freezing and crystallizing tank is connected with the circulating line of freezing and crystallizing circulating pump.
4. crystal system as claimed in claim 1, it is characterised in that: described two-stage nitration flash tank includes tank body and is arranged on this tank
Salt lower limb bottom body, this salt lower limb is provided with the second waterwater entrance and is positioned at the magma outlet under this second waterwater entrance.
5. crystal system as claimed in claim 1, it is characterised in that: described one section of flash tank and described two-stage nitration flash tank inner chamber
Top be respectively arranged with demister.
6. crystal system as claimed in claim 5, it is characterised in that: described demister includes deflection plate and the position being positioned at lower floor
Silk screen in upper strata.
7. crystal system as claimed in claim 1, it is characterised in that: described two-stage nitration vapour compression machine is secondary mechanical vapour pressure
Contracting machine.
8. crystal system as claimed in claim 1, it is characterised in that: described one section of heat exchanger is less than described one section of flash tank,
And described two-stage nitration heat exchanger is less than described two-stage nitration flash tank.
9. crystal system as claimed in claim 1, it is characterised in that: the cold flow side outlet of described water inlet preheater be connected
Described two-stage nitration flash tank is connected with the circulating line of two-stage nitration circulating pump.
10. crystal system as claimed in claim 1, it is characterised in that: described NaCl crystalline element also includes condensation water tank, institute
State condensation water tank to be connected with the condensation-water drain of described two-stage nitration heat exchanger, and to described water inlet preheating under the effect of condensate pump
The hot-fluid side supply condensed water of device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561604.8U CN205773470U (en) | 2016-06-08 | 2016-06-08 | A kind of crystal system for desulfurization wastewater recycling treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561604.8U CN205773470U (en) | 2016-06-08 | 2016-06-08 | A kind of crystal system for desulfurization wastewater recycling treatment |
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| CN205773470U true CN205773470U (en) | 2016-12-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746122A (en) * | 2016-12-29 | 2017-05-31 | 广州金科水务工程有限公司 | A kind of strong brine Crystallization Separation device with freezing and crystallizing and recrystallization and technique |
| CN108993120A (en) * | 2018-07-27 | 2018-12-14 | 华电电力科学研究院有限公司 | A kind of desulfurization wastewater collaboration dedusting demister and dedusting demisting technique |
| CN109809436A (en) * | 2019-04-01 | 2019-05-28 | 河北云瑞化工设备有限公司 | From the device and technique for extracting saltcake before the sinker of lepidolite production lithium salts in liquid |
| CN110171900A (en) * | 2019-06-11 | 2019-08-27 | 南京大学 | A kind of high temperature brine waste concentration and crystallization device and application |
| CN114210087A (en) * | 2021-12-13 | 2022-03-22 | 江西赣锋锂业股份有限公司 | Non-medium freezing crystallization system |
| CN114602878A (en) * | 2022-03-31 | 2022-06-10 | 中化(浙江)膜产业发展有限公司 | Online cleaning system of evaporative crystallization device |
| CN108993120B (en) * | 2018-07-27 | 2023-11-28 | 华电电力科学研究院有限公司 | Desulfurization wastewater collaborative dedusting and demisting device and dedusting and demisting process |
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2016
- 2016-06-08 CN CN201620561604.8U patent/CN205773470U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746122A (en) * | 2016-12-29 | 2017-05-31 | 广州金科水务工程有限公司 | A kind of strong brine Crystallization Separation device with freezing and crystallizing and recrystallization and technique |
| CN108993120A (en) * | 2018-07-27 | 2018-12-14 | 华电电力科学研究院有限公司 | A kind of desulfurization wastewater collaboration dedusting demister and dedusting demisting technique |
| CN108993120B (en) * | 2018-07-27 | 2023-11-28 | 华电电力科学研究院有限公司 | Desulfurization wastewater collaborative dedusting and demisting device and dedusting and demisting process |
| CN109809436A (en) * | 2019-04-01 | 2019-05-28 | 河北云瑞化工设备有限公司 | From the device and technique for extracting saltcake before the sinker of lepidolite production lithium salts in liquid |
| CN110171900A (en) * | 2019-06-11 | 2019-08-27 | 南京大学 | A kind of high temperature brine waste concentration and crystallization device and application |
| CN110171900B (en) * | 2019-06-11 | 2021-10-29 | 南京大学 | High-temperature salt-containing wastewater concentration and crystallization device and application |
| CN114210087A (en) * | 2021-12-13 | 2022-03-22 | 江西赣锋锂业股份有限公司 | Non-medium freezing crystallization system |
| CN114602878A (en) * | 2022-03-31 | 2022-06-10 | 中化(浙江)膜产业发展有限公司 | Online cleaning system of evaporative crystallization device |
| CN114602878B (en) * | 2022-03-31 | 2023-04-25 | 中化(浙江)膜产业发展有限公司 | On-line cleaning system of evaporative crystallization device |
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