CN107029446A - Double caloics couple solution condensing crystallizing system and method - Google Patents
Double caloics couple solution condensing crystallizing system and method Download PDFInfo
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- CN107029446A CN107029446A CN201710120523.3A CN201710120523A CN107029446A CN 107029446 A CN107029446 A CN 107029446A CN 201710120523 A CN201710120523 A CN 201710120523A CN 107029446 A CN107029446 A CN 107029446A
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Abstract
A kind of pair of caloic couples solution condensing crystallizing system and method, belongs to chemical field.The system includes preheater, condenser, humidifier, solution pump, crystallizing evaporator, stirred tank, centrifuge, blower fan, moisture eliminator, water pump, compressor, choke valve etc..The air that the present invention is produced using different temperatures carries wet capacity variance, by the solution condensing crystallizing under the conditions of low-temperature atmosphere-pressure, while reclaiming the moisture and salt in solution；Coupled and cooled down using caloic, heat and mass transfer process is introduced into drying, be effectively reduced the use of corrosion-resistant precious metal, reduce system cost；The present invention takes full advantage of the high advantage of heat pump system performance coefficient simultaneously, breach limitation of the thermal source condition to vapo(u)rization system, the energy regenerating mechanism of binding soln condensing crystallizing internal system, greatly improve the utilization ratio of energy, energy-saving effect significantly, meets the strategic objective of national energy-saving emission reduction sustainable development.
Description
Technical field
A kind of pair of caloic couples solution condensing crystallizing system and method, belongs to chemical field.
Background technology
Conventional solution method for concentration includes the methods such as multistage flash evaporation, multiple-effect evaporation, counter-infiltration.Multistage flash evaporation, multiple-effect evaporation
Process needs to consume substantial amounts of steam, more with power plant associated working, and the waste gas of combustion of fossil fuel discharge causes environmental pollution；
Hyperfiltration needs to consume the electric energy of high-quality, and operation maintenance is complicated, and cost is higher.Conventional solution method for concentration is by solution salt
Degree is concentrated into more than 6% and is directly discharged into environment, have ignored the influence that if things go on like this high salinity solution is produced to surrounding enviroment.By
This is visible, and conventional solution method for concentration high energy consumption, pollution are big, research and development low energy consumption, low cost, the solution concentration work of zero emission
Skill is significant.
Dehumidification concentration can be carried out to solution at normal temperatures and pressures by humidifying dehumidification technology, will not produce influence to solution substantially,
Therefore there is significant advantage in chemical fields such as condensing crystallizings.But the research for humidifying systems for moisture removal condensing crystallizing is not drawn also at present
Rise and pay attention to.
The content of the invention
It is an object of the invention to propose a kind of pair of caloic coupling solution condensing crystallizing system and method.
A kind of pair of caloic couples solution condensing crystallizing system, it is characterised in that including preheater, condenser, humidifier, molten
Liquid pump, crystallizing evaporator, stirred tank, centrifuge, blower fan, moisture eliminator, water pump, compressor, choke valve；
Material solution is connected by preheater cold side with condenser cold side input port, condenser cold side outlet port and humidifier Apical solution
Import is connected, and humidifier bottom taphole is connected by solution pump with crystallizing evaporator hot side import, crystallizing evaporator hot side
Outlet be connected with stirred tank solution inlet, stirred tank magma outlet is connected with centrifuge magma entrance, centrifuge crystal export and
The external world is connected, and centrifuge mother liquor outlet is connected with condenser cold side input port；Stirred tank taphole and condenser cold side input port phase
Even；
Air is connected by blower fan with humidifier lower air inlet, and humidifier upper air outlet enters with moisture eliminator lower air
Mouth is connected, and moisture eliminator upper air outlet is connected with the external world；
Moisture eliminator bottom condensed water is connected by water pump with preheater hot side-entrance, and preheater hot side outlet condensed moisture is into two
Road, tie point is connected with cooling water inlet at the top of moisture eliminator, and the second branch road is directly connected with environment；
Crystallizing evaporator cold side outlet port is connected with compressor inlet, and compressor outlet is connected with condenser hot side import, condenser
Hot side outlet is connected by choke valve with crystallizing evaporator cold side input port；
A kind of pair of caloic according to claim 1 couples the method for work of solution condensing crystallizing system, including procedure below：
Material solution, which enters, enters condenser cold side after the heat that preheater cold side absorption condensation water discharges, absorb its hot side low boiling
Point working medium liberated heat after become pyrosol, high temperature feedstock solution enters humidifier, with air directly contact cooling after from
Its bottom taphole discharge, enters crystallizing evaporator hot side by solution pump, heat is discharged to the low boiling working fluid of its cold side
After become supersaturated solution, into stirred tank and its bottom formed magma, magma subsequently enter centrifuge separation, isolate
Crystal is exported from centrifuge crystal and discharged, and remaining mother liquor converges with material solution and enters condenser；Meanwhile, stirred tank top shape
Into saturated solution from taphole discharge, also converge with material solution and enter condenser；
Air enters humidifier, and from humidifier top under the blowing force effect of blower fan from humidifier lower air inlet
Hot charge solution heat and mass, becomes to enter moisture eliminator after saturated moist air, cooling and dehumidification after heat is discharged to spraying cooling water,
Moisture is separated out, the condensed water of formation is discharged from moisture eliminator bottom end outlet, and the air of low temperature and low humidity then goes out from moisture eliminator upper air
Mouth is discharged into external environment；
Low boiling working fluid becomes low-pressure steam after crystallizing evaporator cold side absorbs the heat of its hot side, and low-pressure steam is through compressor
Enter condenser hot side after compression, discharge and condensed after heat to the solution of its cold side, then steaming is entered by choke valve reducing pressure by regulating flow
Crystallizer cold side is sent out, work is so circulated.
A kind of pair of caloic according to claim 1 couples solution condensing crystallizing system, it is characterised in that：Humidifier with
Moisture eliminator uses polymer carrier structure.
Compared with prior art, the present invention at least has the following advantages that：The present invention can be under the conditions of low-temperature atmosphere-pressure to molten
Liquid carries out condensing crystallizing operation, while reclaiming the moisture and salt in solution, really realizes the zero-emission of evaporating concentration process, right
Environment does not have any pollution；Coupled and cooled down using caloic, heat and mass transfer process is introduced into drying, is effectively reduced corrosion-resistant
The use of precious metal, reduces system cost；The present invention takes full advantage of the high advantage of heat pump system performance coefficient simultaneously, breaks through
Limitation of the thermal source condition to vapo(u)rization system, the energy regenerating mechanism of binding soln condensing crystallizing internal system is greatly improved
The utilization ratio of energy, energy-saving effect is notable.
Brief description of the drawings
Fig. 1 is that a kind of pair of caloic of the present invention is coupled in solution condensing crystallizing system, figure：1- preheaters, 2- condensers, 3- add
Wet device, 4- solution pumps, 5- crystallizing evaporators, 6- stirred tanks, 7- centrifuges, 8- blower fans, 9- moisture eliminators, 10- water pumps, 11- compressions
Machine, 12- choke valves.
Embodiment
Illustrate that a kind of pair of caloic couples the running of solution condensing crystallizing system referring to Fig. 1.
Material solution enters after preheater absorbs the heat of moisture eliminator condensed water release and enters condenser, absorbs its hot side low
Become pyrosol after boiling point working medium liberated heat, pyrosol enters humidifier, directly contacted with air after cooling from it
Bottom taphole discharge, enters crystallizing evaporator hot side by solution pump, is discharged to the low boiling working fluid of its cold side after heat
Become supersaturated solution, magma is formed into stirred tank and in its bottom, magma subsequently enters centrifuge separation, the crystalline substance isolated
Body is discharged from centrifuge outlet at bottom, and remaining mother liquor enters condenser cold side after being mixed with material solution；Meanwhile, on stirred tank
The saturated solution that portion is formed is discharged from taphole, is also converged with material solution into condenser cold side；
Air enters humidifier under the blasting action of blower fan from humidifier lower air inlet, and from humidifier top
Hot charge solution heat and mass, becomes the hot-air of high-temperature high-humidity, subsequently into moisture eliminator, discharges and is dropped after heat to cooling water
Warm dehumidification, separates out moisture, and the condensed water of formation is discharged from moisture eliminator bottom end outlet, and condensed water enters preheating after being boosted by water pump
Device is cooled down, and the condensed moisture after being cooled down through seawater enters moisture eliminator, the second branch road condensed water row into two-way, tie point through top
Enter environment；The air of low temperature and low humidity is then discharged into external environment from moisture eliminator upper air outlet；
Low boiling working fluid becomes low-pressure steam after crystallizing evaporator cold side absorbs the heat of its hot side, and low-pressure steam is through compressor
After compression, become high temperature and high pressure steam, discharged into condenser to the solution of cold side and become liquid refrigerant after heat, then pass through section
Stream valve reducing pressure by regulating flow enters crystallizing evaporator, so circulates work.
Claims (3)
1. a kind of pair of caloic couples solution condensing crystallizing system, it is characterised in that:Including preheater（1）, condenser（2）, humidification
Device（3）, solution pump（4）, crystallizing evaporator（5）, stirred tank（6）, centrifuge（7）, blower fan（8）, moisture eliminator（9）, water pump（10）、
Compressor（11）, choke valve（12）；
Material solution passes through preheater（1）Cold side and condenser（2）Cold side input port is connected, condenser（2）Cold side outlet port and humidification
Device（3）Apical solution import is connected, humidifier（3）Bottom taphole passes through solution pump（4）With crystallizing evaporator（5）Hot side is entered
Mouth is connected, crystallizing evaporator（5）Hot side outlet and stirred tank（6）Solution inlet is connected, stirred tank（6）Magma is exported and centrifuge
（7）Magma entrance is connected, centrifuge（7）Crystal outlet is connected with the external world, centrifuge（7）Mother liquor outlet and condenser（2）Cold side
Entrance is connected；Stirred tank（6）Taphole and condenser（2）Cold side input port is connected；
Air passes through blower fan（8）With humidifier（3）Lower air inlet is connected, humidifier（3）Upper air outlet and moisture eliminator
（9）Lower air inlet is connected, moisture eliminator（9）Upper air outlet is connected with the external world；
Moisture eliminator（9）Bottom condensed water passes through water pump（10）With preheater（1）Hot side import is connected, preheater（1）Hot side outlet
Condensed moisture is into two-way, and tie point is connected with cooling water inlet at the top of moisture eliminator (9), the second branch road directly with environment phase
Even；
Crystallizing evaporator（5）Cold side outlet port and compressor（11）Import is connected, compressor（11）Outlet and condenser（2）Hot side is entered
Mouth is connected, condenser（2）Hot side outlet passes through choke valve（12）With crystallizing evaporator（5）Cold side input port is connected.
2. a kind of pair of caloic according to claim 1 couples the method for work of solution condensing crystallizing system, including following mistake
Journey：
Material solution enters preheater（1）Enter condenser after the heat of cold side absorption condensation water release（2）Cold side, absorbs its heat
Become pyrosol after the low boiling working fluid liberated heat of side, high temperature feedstock solution enters humidifier（3）, directly contacted with air
From its bottom taphole discharge after cooling, pass through solution pump（4）Into crystallizing evaporator（5）Hot side, to the low boiling of its cold side
Become supersaturated solution after point working medium release heat, into stirred tank（6）And its bottom formed magma, magma subsequently enter from
Scheming（7）Separation, the crystal isolated is from centrifuge（7）Crystal outlet discharge, remaining mother liquor converges entrance with material solution
Condenser（2）；Meanwhile, stirred tank（6）The saturated solution that top is formed is discharged from taphole, also converges entrance with material solution
Condenser（2）；
Air is in blower fan（8）Blowing force effect under, from humidifier（3）Lower air inlet enters humidifier（3）, and from humidification
Device（3）The hot charge solution heat and mass on top, becomes to enter moisture eliminator after saturated moist air（9）, discharged to spraying cooling water
Cooling and dehumidification after heat, separates out moisture, and the condensed water of formation is from moisture eliminator（9）Bottom end outlet is discharged, and condensed water passes through water pump
（10）Enter preheater after boosting（1）Cooling, the condensed moisture after being cooled down through seawater is into two-way, and tie point enters de- through top
Wet device（9）, the second branch road condensed water is discharged into environment；The air of low temperature and low humidity is then from moisture eliminator（9）Upper air outlet is discharged into outer
Boundary's environment；
Low boiling working fluid is in crystallizing evaporator（5）Cold side, which absorbs, becomes low-pressure steam after the heat of its hot side, low-pressure steam is through pressure
Contracting machine（11）Enter condenser after compression（2）Hot side, discharges to the solution of its cold side and liquid is condensed into after heat, then pass through throttling
Valve（12）Enter crystallizing evaporator after reducing pressure by regulating flow（5）Cold side, so circulates work.
3. a kind of pair of caloic according to claim 1 couples solution condensing crystallizing system, it is characterised in that：Humidifier（3）
With moisture eliminator（9）Use polymer carrier structure.
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| CN201710120523.3A CN107029446A (en) | 2017-03-02 | 2017-03-02 | Double caloics couple solution condensing crystallizing system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046356A (en) * | 2017-11-02 | 2018-05-18 | 上海首济化工科技有限公司 | A kind of cooling evaporation process method and device of higher liquid |
| CN108423910A (en) * | 2018-05-17 | 2018-08-21 | 北京今大禹环境技术股份有限公司 | A kind of processing system for realizing high organic wastewater zero-emission with high salt using waste heat |
| CN108439512A (en) * | 2018-05-17 | 2018-08-24 | 北京今大禹环境技术股份有限公司 | A kind of thermal drivers high organic wastewater Zero-discharge treating process with high salt |
| CN108675532A (en) * | 2018-05-17 | 2018-10-19 | 北京今大禹环境技术股份有限公司 | A kind for the treatment of process for realizing high organic wastewater zero-emission with high salt using waste heat |
| CN110947191A (en) * | 2018-09-27 | 2020-04-03 | 韩林辰 | Contact evaporation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000093732A (en) * | 1998-09-18 | 2000-04-04 | Ebara Corp | Dehumidification air-conditioner |
| CN104114250A (en) * | 2012-04-25 | 2014-10-22 | 盐场科技有限公司 | Modular humidification-dehumidification apparatus for concentrating solutions |
| CN204952342U (en) * | 2015-08-28 | 2016-01-13 | 深圳市捷晶能源科技有限公司 | Concentrated crystal system of carnallite solution |
-
2017
- 2017-03-02 CN CN201710120523.3A patent/CN107029446A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000093732A (en) * | 1998-09-18 | 2000-04-04 | Ebara Corp | Dehumidification air-conditioner |
| CN104114250A (en) * | 2012-04-25 | 2014-10-22 | 盐场科技有限公司 | Modular humidification-dehumidification apparatus for concentrating solutions |
| CN204952342U (en) * | 2015-08-28 | 2016-01-13 | 深圳市捷晶能源科技有限公司 | Concentrated crystal system of carnallite solution |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046356A (en) * | 2017-11-02 | 2018-05-18 | 上海首济化工科技有限公司 | A kind of cooling evaporation process method and device of higher liquid |
| CN108423910A (en) * | 2018-05-17 | 2018-08-21 | 北京今大禹环境技术股份有限公司 | A kind of processing system for realizing high organic wastewater zero-emission with high salt using waste heat |
| CN108439512A (en) * | 2018-05-17 | 2018-08-24 | 北京今大禹环境技术股份有限公司 | A kind of thermal drivers high organic wastewater Zero-discharge treating process with high salt |
| CN108675532A (en) * | 2018-05-17 | 2018-10-19 | 北京今大禹环境技术股份有限公司 | A kind for the treatment of process for realizing high organic wastewater zero-emission with high salt using waste heat |
| CN108439512B (en) * | 2018-05-17 | 2020-07-03 | 北京今大禹环境技术股份有限公司 | Thermal-drive high-salinity high-organic-matter wastewater zero-discharge treatment process |
| CN108675532B (en) * | 2018-05-17 | 2020-09-08 | 北京今大禹环境技术股份有限公司 | Treatment process for realizing zero discharge of high-salt high-organic matter wastewater by utilizing waste heat |
| CN110947191A (en) * | 2018-09-27 | 2020-04-03 | 韩林辰 | Contact evaporation system |
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Application publication date: 20170811 |