CN108079605A - High level salt solution efficiently without fouling electromagnetism evaporation and crystallization system and applies its method of evaporating - Google Patents
High level salt solution efficiently without fouling electromagnetism evaporation and crystallization system and applies its method of evaporating Download PDFInfo
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- CN108079605A CN108079605A CN201810105303.8A CN201810105303A CN108079605A CN 108079605 A CN108079605 A CN 108079605A CN 201810105303 A CN201810105303 A CN 201810105303A CN 108079605 A CN108079605 A CN 108079605A
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- electromagnetism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0017—Use of electrical or wave energy
- B01D1/0023—Induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
- B01D1/305—Demister (vapour-liquid separation)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention provides a kind of high level salt solution that is used for efficiently without dirty electromagnetism evaporation and crystallization system and using its method of evaporating, is related to Nacl and high-salt wastewater evaporative crystallization field.Including：At least two high level salt solutions are efficiently without dirty electromagnetism evaporative crystallization unit, unit has independent gas-liquid separator, vaporization chamber, electromagnetic heating scaler system and crystallisation chamber, negative pressure state is in each vaporization chamber, the dry air entered from air inlet endless tube can take steam into heat exchanger out of, it is heated for the feed liquor of next unit, realizes the recycling of energy；Indoor electromagnetic heating scaler system is evaporated, salting liquid can not only be heated again, moreover it is possible to effectively reduce the precipitation of salt, reduce equipment scaling risk；Oversaturated solution enters crystallisation chamber, and crystalline deposit can quickly be precipitated；Each high level salt solution is efficiently mutually isolated without dirty electromagnetism evaporative crystallization unit, air inflow, pressure and the temperature of energy independent control vaporization chamber, to adapt to the evaporative crystallization without type high-salt wastewater.
Description
Technical field
Without dirty electromagnetism evaporation and crystallization system and its method of evaporating efficiently is applied for high level salt solution the present invention relates to a kind of,
The zero discharge treatment of high-salt wastewater, such as coking solution, desulfuration solution, reverse osmosis concentrated water etc. are carried out, can also Nacl is used as to give birth to
The evaporative crystallization technique of production belongs to environmental protection equipment and chemical process equipment technology field.
Background technology
Industrial sector is made that very big contribution for China's modernization and Urbanization Progress, but with social and industrialized
Development, has been inevitably generated substantial amounts of industrial wastewater.Meanwhile China is also the country of a shortage of water resources, short journey
Degree even constrains the sustainable development in China to a certain extent.The situation of such shortage and a large amount of generations of industrial wastewater
Comparison is formd, higher requirement also is proposed to Industrial Wastewater Treatment and reuse.
On the one hand, the salt in trade effluent is also a kind of resource for misplacing position, if by Industrial Wastewater Treatment and returned
The salt in waste water is separated and recovered and utilized with technology, this will substantially reduce the operation cost of sewage disposal, promote at sewage
Manage the development of the positive health of industry；On the other hand, industrial production needs to manufacture substantial amounts of industrial salt, the manufacturing process of these salt
In be frequently necessary to be evaporated crystallization, but current evaporation technique is mostly faced with that occupation of land is big, and high energy consumption, fluctuation of service is asked
Topic, it is extremely urgent to seek efficient evaporation technique.
The content of the invention
Based on background above condition, the present invention provide it is a kind of for high level salt solution efficiently without dirty electromagnetism evaporation and crystallization system and
Using its method of evaporating.
Specifically, including following technical solution：
The high level salt solution provides a kind of for high salt efficiently without dirty electromagnetism evaporation and crystallization system and using its method of evaporating
Efficiently without dirty electromagnetism evaporative crystallization unit, the electromagnetism evaporative crystallization unit includes solution：
Into water- to-water heat exchanger, 60 ~ 80 DEG C will be heated into the solution of electromagnetism evaporative crystallization unit；Vaporization chamber, for evaporating
The solution is allowed to supersaturation；Gas-liquid separator, gas and liquid point for the vaporization chamber solution to be evaporated come,
The gas-liquid separator component is connected with the vaporization chamber component top, discharges gas, and liquid reflux, material inlet is located at institute
The lower section of gas-liquid separator is stated, steam (vapor) outlet is located at the top of the gas-liquid separator；The electromagnetic heating scaler system package
In the outside of the vaporization chamber, wherein AC power provides wideband for coil（0.5kHz~50kHz）Width funtion (100V ~ 5000V)
Alternating current can be felt so that coil inside is generated with the substantially parallel alternating magnetic field of water (flow) direction, alternating magnetic field inside water body
Bear the induced electric field parallel with coil winding direction, the water body in aqueduct is interior under the action of alternating magnetic field and electric field
Some changes occur for the physicochemical properties of portion's ion and molecule, influence the formation of nucleus and precipitate the growth of particle, are used for
The precipitation of salt in solution in vaporization chamber is reduced, avoids generating fouling on vaporization chamber filler surface, on the other hand, be removed in electromagnetic heating
Solution in dirty system, because electromagnetic induction generates powerful vortex, vortex overcomes solution internal resistance to complete electric energy when flowing to thermal energy
Conversion, generated Joule heat is exactly the Secondary Heat Source of heated solution again；Air inlet endless tube, for vaporization chamber air inlet and air pressure
Adjusting, for the air inlet endless tube in the lower part of the vaporization chamber, the air inlet endless tube is equipped with electric-air valve, can be automatic by PLC
The air inflow of air valve is controlled, the air inlet endless tube is equipped with 4 to 8 air intake branches, and the air intake branch is inclined according to earth rotation
Certain air inlet angle is set to force direction（2°~30°）, make the indoor gas rotating of evaporation, gas-liquid mass transfer promoted to exchange；
Mud chamber, for the precipitation and growth of nucleus in solution, the mud chamber adds mouth equipped with nucleus, adds tiny nucleus, promotees
Oversaturated solution carries out crystallization precipitation in into crystallisation chamber, and the top of the mud chamber is equipped with outlet pipe, and bottom is equipped with crystal salt
Salt discharge device, the precipitation salt of discharge sedimentation basin bottom.
The high level salt solution provides one kind and is used for efficiently without dirty electromagnetism evaporation and crystallization system and using its method of evaporating
High level salt solution efficiently without dirty electromagnetism evaporation and crystallization system and applies its method, and the electromagnetism evaporation and crystallization system includes：
Saline solns water inlet pipe, for saline solns to be delivered to efficiently without dirty electromagnetism evaporation and crystallization system；Preheater, it is described to contain
What salting liquid water inlet pipe initially entered is preheater, and the preheater is efficiently come out using end effect without dirty electromagnetism evaporative crystallization unit
Steam the saline solns of entrance are preheated；Head effects are efficiently the present invention first without dirty electromagnetism evaporative crystallization unit
Evaporative crystallization unit is connected with the saline solns preheater outlet pipe；End effect without dirty electromagnetism evaporative crystallization unit, is efficiently
Efficiently without the last one evaporative crystallization unit in dirty electromagnetism evaporation and crystallization system；Plate changes, only there are two evaporative crystallization unit
Electromagnetism evaporation and crystallization system in, head steam of the effect efficiently without dirty electromagnetism evaporative crystallization unit is changed commanders heat transfer by the plate
To end effect efficiently without dirty electromagnetism evaporative crystallization unit into aqueous solution；Steam inlet tube, for the high level salt solution of preheating to be heated to
60~80℃；Vacuum tank, the vacuum tank are vacuumized by vacuum pump, and are passed through the plate and changed with efficiently being evaporated without dirty electromagnetism
The gas-liquid separator of crystalline element is connected, and is vacuumized for the vaporization chamber；Additional nucleus tank, for adding crystalline substance into crystallisation chamber
Core；Rose Box, for separating the nucleus and high level salt solution of crystallisation chamber discharge.
Further, it is described efficiently to include 1-5 efficiently without dirty electromagnetism evaporative crystallization list without dirty electromagnetism evaporation and crystallization system
Member, centre effect are efficiently located at first effect efficiently without dirty electromagnetism evaporative crystallization unit and the efficient nothing of end effect without dirty electromagnetism evaporative crystallization unit
Between dirty electromagnetism evaporative crystallization unit, the intermediate effect is efficiently without dirty electromagnetism evaporative crystallization supplies of unit entrance and the first effect height
Effect is exported without dirty electromagnetism evaporative crystallization supplies of unit leads to by plate commutation, and the first effect is efficiently without dirty electromagnetism evaporative crystallization unit
Steam is changed to intermediate effect by plate and provides heat into solution efficiently without dirty electromagnetism evaporative crystallization unit, it is described among effect it is efficient
No dirty electromagnetism evaporative crystallization unit steam is changed to end effect through plate and efficiently provides heat without dirty electromagnetism evaporative crystallization unit feed liquor, described
Go out liquid of the centre effect efficiently without dirty electromagnetism evaporative crystallization unit enters end effect efficiently without dirty electromagnetism evaporative crystallization after plate changes heating
The inlet of unit；
Further, described to be efficiently additionally provided with condensation-water drain without dirty electromagnetism evaporation and crystallization system, water outlet is mainly heat source stream
Condensed water and solution evaporation after condensed water.
Condition is preferred, and the temperature efficiently without dirty electromagnetism evaporative crystallization unit vaporization chamber is in 60 ~ 80 DEG C, pressure
50KPa~90KPa；It is described efficiently to provide wideband without AC power in dirty electromagnetism evaporation and crystallization system for coil（0.5kHz~
50kHz）Width funtion (100V ~ 5000V) alternating current.
The advantageous effect of technical solution provided in an embodiment of the present invention.
1st, it is provided in an embodiment of the present invention efficiently without dirty electromagnetism evaporation and crystallization system, it is not required to set independent gas-liquid separation
Tank educates brilliant tank etc., saves equipment and building investment and production time, and adds in energy recycle device, can reduce evaporation
Power consumption.
2nd, it is provided in an embodiment of the present invention efficiently without dirty electromagnetism evaporation and crystallization system, utilize electromagnetic heating scaler system, energy
The fouling risk efficiently without dirty electromagnetism evaporative crystallization unit vaporization chamber is effectively reduced, greatly reduces the maintenance expense of post facility
With, and electromagnetic heating scaler system can also be that solution heats, solution is more easy to evaporative crystallization under vacuum conditions.
3rd, it is provided in an embodiment of the present invention efficiently without dirty electromagnetism evaporation and crystallization system, each steaming is accurately controlled by PLC
Send out the vacuum degree and temperature of room, it is ensured that solution is in the optimum state of evaporation in vaporization chamber, and in addition present example can be realized
Continuum micromeehanics and water outlet, condensed water can recycle, and water resource has also been recycled while environmental protection.
Description of the drawings
Fig. 1 is the process equipment schematic diagram of the present invention.
Claims (9)
1. a kind of efficiently without dirty electromagnetism evaporation and crystallization system and apply its method of evaporating for high level salt solution, it is characterised in that such as
Lower step：
Including at least two high level salt solutions efficiently without dirty electromagnetism evaporative crystallization unit, the unit have independent gas-liquid separator,
Vaporization chamber, electromagnetic heating scaler system and crystal region, each vaporization chamber is interior in negative pressure state, the drying entered from air inlet endless tube
Air can take steam in heat exchanger out of, heated for the feed liquor of next unit, realize the recycling of energy；
Indoor electromagnetic heating scaler system is evaporated, salting liquid can not only be heated again, promotes evaporation, moreover it is possible to effectively reduce salt
It is precipitated, reduces equipment scaling risk；
Oversaturated solution enters crystallisation chamber, and crystalline deposit can quickly be precipitated；Each high level salt solution is efficiently evaporated without dirty electromagnetism
Crystalline element is mutually isolated, can individually control the temperature of the air inflow of air inlet endless tube, the pressure of vaporization chamber and vaporization chamber, with suitable
The evaporative crystallization of type high-salt wastewater should not be had to.
2. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
Be characterized in that, the energy regenerating in the evaporation process be by unit outside heat exchanger carry out, steamed by previous unit
The steam issued is heated for next unit feed liquor, it is ensured that effective progress of next unit evaporation.
3. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
It being characterized in that, each unit is equipped with air inlet endless tube, and the air of entrance can form cyclone in the vaporization chamber of negative pressure, take away steam,
The air that air inlet endless tube enters is dry cold air or preheated air, by increasing the air-flow of solution surface, reduces vaporization chamber
The water vapor concentration of air, to promote the progress of evaporation, the wherein negative pressure of air inflow and vaporization chamber is calculated and controlled by PLC.
4. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
It is characterized in that, whole system will be heated by steam, heat pump or other heat sources into the solution of system, the temperature of water inlet
At 60-80 DEG C.
5. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
It is characterized in that, each unit has an electromagnetic heating scaler system of independent regulating power, and AC power is line in the system
Circle provides wideband（0.5kHz~50kHz）Width funtion (100V ~ 5000V) alternating current, prevents what solution from crystallizing on wall and filler
Simultaneously, moreover it is possible to be heated for solution, keep the evaporating temperature of solution, improve solution evaporation rate.
6. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
It is characterized in that, the unit is equipped with crystallisation chamber, in crystallisation chamber by way of additional nucleus, supersaturated solution can be promoted rapid
Crystallization is precipitated, and from the lower part deliverying unit equipment of crystallisation chamber, remaining solution will be discharged from the water outlet endless tube of crystallisation chamber, passed through
It is evaporated after Secondary-steam heating into next unit.
7. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
It is characterized in that, after the system unit steam is by heat exchanger, is connected to vacuum pump, for being tied to described efficiently evaporated without dirty electromagnetism
Brilliant unit vacuumizes.
8. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
It is characterized in that, often covers electromagnetism evaporation and crystallization system and be generally 1 to 5 comprising electromagnetism evaporative crystallization unit, it, can if treating capacity is big
To use more set electromagnetism evaporation and crystallization system parallel runnings, set of system maintenance, other systems can reduce parking with normal operation
Overhaul the influence to processing procedure.
9. high level salt solution as described in claim 1 efficiently without dirty electromagnetism evaporation and crystallization system and applies its method of evaporating,
It is characterized in that, the pressure efficiently without vaporization chamber in dirty electromagnetism evaporative crystallization unit is 50KPa ~ 90KPa, and first effect is efficiently without dirty electricity
Magnetic evaporative crystallization unit evaporation room temperature higher than end effect efficiently without dirty electromagnetism evaporative crystallization unit, efficiently without dirty electromagnetism evaporate by head effects
Crystalline element evaporation chamber pressure is higher than end effect efficiently without dirty electromagnetism evaporative crystallization unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105303.8A CN108079605A (en) | 2018-02-02 | 2018-02-02 | High level salt solution efficiently without fouling electromagnetism evaporation and crystallization system and applies its method of evaporating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105303.8A CN108079605A (en) | 2018-02-02 | 2018-02-02 | High level salt solution efficiently without fouling electromagnetism evaporation and crystallization system and applies its method of evaporating |
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| Publication Number | Publication Date |
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| CN108079605A true CN108079605A (en) | 2018-05-29 |
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| CN201810105303.8A Pending CN108079605A (en) | 2018-02-02 | 2018-02-02 | High level salt solution efficiently without fouling electromagnetism evaporation and crystallization system and applies its method of evaporating |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781523A (en) * | 2011-07-15 | 2014-05-07 | 德卡产品有限公司 | Water vapor distillation apparatus, method and system |
| CN104027993A (en) * | 2014-07-03 | 2014-09-10 | 北京欧泰克能源环保工程技术股份有限公司 | Mechanical steam recompressing evaporation system and energy saving method |
| CN204824500U (en) * | 2015-06-24 | 2015-12-02 | 中国石油天然气集团公司 | Crystal system is evaporated in succession in ultrasonic wave scale control scale removal |
| CN106957122A (en) * | 2017-03-30 | 2017-07-18 | 中国科学院广州能源研究所 | It is a kind of to be used to handle the evaporative crystallisation process of brine waste and realize the device of this method |
-
2018
- 2018-02-02 CN CN201810105303.8A patent/CN108079605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781523A (en) * | 2011-07-15 | 2014-05-07 | 德卡产品有限公司 | Water vapor distillation apparatus, method and system |
| CN104027993A (en) * | 2014-07-03 | 2014-09-10 | 北京欧泰克能源环保工程技术股份有限公司 | Mechanical steam recompressing evaporation system and energy saving method |
| CN204824500U (en) * | 2015-06-24 | 2015-12-02 | 中国石油天然气集团公司 | Crystal system is evaporated in succession in ultrasonic wave scale control scale removal |
| CN106957122A (en) * | 2017-03-30 | 2017-07-18 | 中国科学院广州能源研究所 | It is a kind of to be used to handle the evaporative crystallisation process of brine waste and realize the device of this method |
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Application publication date: 20180529 |