CN205730439U - A kind of high/low temperature coupling concentration systems of heat recovery - Google Patents
A kind of high/low temperature coupling concentration systems of heat recovery Download PDFInfo
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- CN205730439U CN205730439U CN201620500075.0U CN201620500075U CN205730439U CN 205730439 U CN205730439 U CN 205730439U CN 201620500075 U CN201620500075 U CN 201620500075U CN 205730439 U CN205730439 U CN 205730439U
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- heat exchanger
- temperature
- heat
- tank
- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses the high/low temperature coupling concentration systems of a kind of heat recovery, this system includes: low-temperature material concentrating part, high-temperature material concentrating part and connect two-part heat recovery section；Described low-temperature material concentrating part includes that low temperature feedstock tank, evaporating heat exchanger, crystal maturation tank, ice crystal washing column, ice melt heat exchanger, cryoconcentration flow container；Described high-temperature material concentrating part includes that high temperature feedstock tank, preheater, evaporative condenser, water vapour compressor, gas-liquid separator, condensate water pot, high temperature concentrate flow container；Described heat recovery section includes the evaporating heat exchanger in compressor, condensing heat exchanger, choke valve, flash tank and low-temperature material concentrating part.This utility model system can realize the concentration of two kinds of different evaporating temperature materials, and a kind of is the concentration of heat sensitive material.Heat in concentrating in freezing is applied in the concentration process of high-temperature material, it is achieved that the recycling of heat, improves capacity usage ratio.
Description
Technical field
This utility model relates to heat recovery technical field, and the high/low temperature coupling being more particularly to a kind of heat recovery concentrates
System.
Background technology
Evaporating and concentrating process is widely used in the industries such as food, chemical industry, pharmacy, waste water process, it is therefore intended that remove material
In moisture, reach to extract solid product in material or make the purpose of material minimizing.Current way is to use multiple-effect mostly
Evaporation, its outstanding feature is that steam consumption is big, energy utilization rate is low.And, for heat-sensitive substance, due to evaporating temperature
The problems such as height, residence time of material length, easily cause material degeneration, especially for the industry such as food, pharmacy, it will serious shadow
Ring the quality of product.
Freeze concentration is low due to its thickening temperature, does not reaches far away the temperature destroying materials quality, therefore, is especially suitable for heat
The concentration of quick property material, in existing technology for freeze concentration, after material is cooled down by coolant, its heat is directly discharged in air,
Cause the huge waste of energy.It is thus desirable to develop the system of a kind of heat recovery.
Summary of the invention
(1) to solve the technical problem that
Heat during the technical problems to be solved in the utility model is how heat sensitive material freeze concentration is applied
In the evaporation and concentration of non-temperature sensitive material, it is achieved the recycling of heat, improve the utilization rate of the energy, and provide a kind of heat to return
The high/low temperature coupling concentration systems received.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides the high/low temperature coupling of a kind of heat recovery and concentrates system
System, this system includes: low-temperature material concentrating part, high-temperature material concentrating part and connect two-part heat recovery section.
Preferably, described low-temperature material concentrating part includes low temperature feedstock tank, evaporating heat exchanger, crystal maturation tank, ice
Brilliant washing column, ice melt heat exchanger, cryoconcentration flow container.
Preferably, described high-temperature material concentrating part includes high temperature feedstock tank, preheater, evaporative condenser, water vapour
Compressor, gas-liquid separator, condensate water pot, high temperature concentrate flow container.
Preferably, described heat recovery section includes compressor, condensing heat exchanger, choke valve, flash tank and low temperature
Evaporating heat exchanger in material concentrating part.
Preferably, described low temperature feedstock tank is connected with evaporating heat exchanger, and the material A being stored in low temperature feedstock tank is from low
Entering evaporating heat exchanger in temperature head tank, with cold-producing medium evaporation and heat-exchange in evaporating heat exchanger, the part water in material A is frozen
Become small ice crystal and and solution separating, remainder becomes concentrated solution, and this ice crystal and concentrated solution enter in crystal maturation tank, ice
Crystalline substance maturation wherein is grown up, and after filtering, concentrated solution enters cryoconcentration flow container, and ice crystal enters in ice crystal washing column, with cleaning
Liquid rinses the concentrated solution that carries of ice crystal surface, cleaned after cleanout fluid be back to low temperature feedstock tank, ice crystal enters ice and melts heat exchange
Device, thawing of absorbing heat wherein, become ice crystal melting liquid, ice crystal melting liquid is for rinsing the ice crystal of newly entering ice crystal washing column.
Preferably, described high temperature feedstock tank is connected with preheater, and described preheater is connected with evaporative condenser, stores
The preheated device of material B in high temperature feedstock tank enters evaporative condenser, and the moisture in material B is evaporated wherein, with
Enter gas-liquid separator after the water vapour mixing flowed out in flash tank, after removing its moisture carried, enter water vapor pressure contracting machine,
It is compacted into the water vapour of High Temperature High Pressure wherein, enters in evaporative condenser afterwards and heat material B therein as thermal source
Being allowed to evaporate, water vapour self condenses wherein becomes condensed water, after material B reaches the concentration set, in spontaneous evaporation condenser
Being discharged into high temperature and concentrate flow container, condensed water enters condensate water pot, and its partial condensation water autocondensation water pot enters condensing heat-exchange
Absorbing the heat of high temperature refrigerant in device, reenter flash tank, residue condensed water enters preheater and discharges after charging heat exchange,
The high-temperature water obtained after heat exchange in condensing heat exchanger is partially into flash tank, is also partially into ice and melts heat exchanger, wherein
Transferring heat to ice crystal be allowed to melt, the water at low temperature obtained after heat exchange discharges system.
Preferably, described evaporating heat exchanger is connected with compressor, cold-producing medium and material A heat exchange in evaporating heat exchanger
After, after compressor compresses, enter condensing heat exchanger, condensing heat exchanger rejects heat to water, be allowed to temperature and raise, system
Cryogen, after choke valve reduces pressure, is again introduced into evaporating heat exchanger and starts new low-temperature material concentration cycles；In condensing heat exchanger
The water obtaining heat enters flash tank, is evaporated to water vapour wherein and starts new high-temperature material concentration cycles.
(3) beneficial effect
The high/low temperature coupling concentration systems of this utility model heat recovery can realize two kinds of different evaporating temperature materials
Concentrate, be particularly suited for the concentration that one of which is heat sensitive material.Heat in concentrating in freezing is applied to high temperature
In the concentration process of material, it is achieved that the recycling of heat, improve capacity usage ratio.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the high/low temperature coupling concentration systems of this utility model heat recovery；
Labelling in figure: 1, low temperature feedstock tank, 2, evaporating heat exchanger, 3, crystal maturation tank, 4, ice crystal washing column, 5, ice melts and change
Hot device, 6, cryoconcentration flow container, 7, high temperature feedstock tank, 8, preheater, 9, evaporative condenser, 10, water vapour compressor, 11, gas
Liquid/gas separator, 12, condensate water pot, 13, high temperature concentrate flow container, 14, compressor, 15, condensing heat exchanger, 16, choke valve, 17, dodge
Steaming pot
Detailed description of the invention
With embodiment, embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.Following example
For this utility model is described, but can not be used for limiting scope of the present utility model.
In fields such as food, pharmacy, chemical industry, there is substantial amounts of heat-sensitive substance, freeze concentration is to realize this kind of material
The effective means concentrated, can keep the original quality of material to the full extent.In technology for freeze concentration, coolant is to material
After cooling down, its heat is directly released in air.This utility model provides the high/low temperature coupling of a kind of heat recovery to concentrate
System, is used for high-temperature material concentration process by after the heat collection during cryoconcentration.
Embodiment
Seeing Fig. 1, this utility model system includes low-temperature material concentrating part, high-temperature material concentrating part and connects two
The heat recovery section of part.Wherein low-temperature material concentrating part include low temperature feedstock tank, evaporating heat exchanger, crystal maturation tank,
Ice crystal washing column, ice melt heat exchanger, cryoconcentration flow container；High-temperature material concentrating part include high temperature feedstock tank, evaporative condenser,
Water vapour compressor, gas-liquid separator, condensate water pot, high temperature concentrate flow container；Heat recovery section includes compressor, condensing heat-exchange
Evaporating heat exchanger in device, choke valve, flash tank and low-temperature material concentrating part；
This utility model processing system can process two kinds of materials simultaneously, and a kind of material A being suitable for low-temperature evaporation, such as heat
Quick property material, another kind is the material B being suitable for high temperature evaporation.
Material processing procedure within the system is as follows: the material A being stored in low temperature feedstock tank is from low temperature feedstock tank
Entering evaporating heat exchanger, with cold-producing medium evaporation and heat-exchange in evaporating heat exchanger, be divided into two parts in this process, a part is
Small ice crystal, another part is concentrated solution, and this concentrated solution and ice crystal enter ice crystal maturation in crystal maturation tank and grow up, through filtering
After, concentrated solution enters cryoconcentration flow container, and ice crystal enters in ice crystal washing column, rinses, with cleanout fluid, the concentration that ice crystal surface carries
Liquid, cleaned after cleanout fluid be back to low temperature feedstock tank, ice crystal enters ice and melts heat exchanger, and thawing of absorbing heat wherein becomes ice
Melting liquid, ice melting liquid can be used for rinsing the ice crystal of newly entering ice crystal washing column.
The preheated device of material B being stored in high temperature feedstock tank enters evaporative condenser, wherein the moisture quilt in material
It is evaporated, after mixing with the water vapour flowed out in flash tank, enters gas-liquid separator, after removing its moisture carried, enter water
Vapour compression machine, is compacted into the water vapour of High Temperature High Pressure wherein, enters in evaporative condenser afterwards and heat as thermal source
Material therein is allowed to evaporate, and water vapour self condenses wherein becomes condensed water, after material B reaches the concentration set, from steaming
Feeling cold and be discharged into high temperature in condenser and concentrate flow container, partial condensation water enters the heat absorbing high temperature refrigerant in condensing heat exchanger
Amount, reenters flash tank, and residue condensed water is discharged after charging heat exchange.High-temperature water part after heat exchange in condensing heat exchanger
Enter flash tank, be also partially into ice and melt heat exchanger, transfer heat to ice crystal wherein and be allowed to melt, low after heat exchange
Warm water discharges system.
At heat recovery section, cold-producing medium in evaporating heat exchanger with material A heat exchange after, through compressor compress after enter cold
Solidifying heat exchanger, rejects heat to water in condensing heat exchanger, is allowed to temperature and raises, and cold-producing medium is after choke valve reduces pressure, again
Enter evaporating heat exchanger and start new circulation.The water obtaining heat in condensing heat exchanger enters flash tank, is evaporated to wherein
Water vapour starts new circulation.
Embodiment of above is merely to illustrate this utility model, rather than to restriction of the present utility model.Although with reference to implementing
This utility model has been described in detail by example, it will be understood by those within the art that, to technology of the present utility model
Scheme carries out various combination, amendment or equivalent, without departure from the spirit and scope of technical solutions of the utility model, and all should
Contain in the middle of right of the present utility model.
Claims (1)
1. the high/low temperature coupling concentration systems of a heat recovery, it is characterised in that this system includes: low-temperature material concentrating part
Point, high-temperature material concentrating part and connect two-part heat recovery section；
Described low-temperature material concentrating part includes low temperature feedstock tank, evaporating heat exchanger, crystal maturation tank, ice crystal washing column, ice
Melt heat exchanger, cryoconcentration flow container；
Described high-temperature material concentrating part includes high temperature feedstock tank, preheater, evaporative condenser, water vapour compressor, gas-liquid
Separator, condensate water pot, high temperature concentrate flow container；
Described heat recovery section includes compressor, condensing heat exchanger, choke valve, flash tank and low-temperature material concentrating part
In evaporating heat exchanger；
Described low temperature feedstock tank is connected with evaporating heat exchanger, and the material A being stored in low temperature feedstock tank is from low temperature feedstock tank
Entering evaporating heat exchanger, with cold-producing medium evaporation and heat-exchange in evaporating heat exchanger, the part water in material A is frozen into small ice
Brilliant and and solution separating, remainder becomes concentrated solution, and this ice crystal and concentrated solution enter in crystal maturation tank, and ice crystal becomes wherein
Ripe growing up, after filtering, concentrated solution enters cryoconcentration flow container, and ice crystal enters in ice crystal washing column, rinses ice crystal with cleanout fluid
The concentrated solution that surface is carried, cleaned after cleanout fluid be back to low temperature feedstock tank, ice crystal enters ice and melts heat exchanger, inhales wherein
Heat is melted, and becomes ice crystal melting liquid, and ice crystal melting liquid is for rinsing the ice crystal of newly entering ice crystal washing column；
Described high temperature feedstock tank is connected with preheater, and described preheater is connected with evaporative condenser, is stored in high temperature feedstock
The preheated device of material B in tank enters evaporative condenser, and the moisture in material B is evaporated wherein, flows in flash tank
Enter gas-liquid separator after the water vapour mixing gone out, enter water vapor pressure contracting machine after removing its moisture carried, pressed wherein
Shorten the water vapour for High Temperature High Pressure into, enter afterwards in evaporative condenser and be allowed to evaporate as thermal source heating material B therein, water
Steam self condenses wherein becomes condensed water, after material B reaches the concentration set, is discharged into high temperature in spontaneous evaporation condenser
Concentrating flow container, condensed water enters condensate water pot, and its partial condensation water autocondensation water pot enters and absorbs high temperature in condensing heat exchanger
The heat of cold-producing medium, reenters flash tank, and residue condensed water enters preheater and discharges, at condensing heat-exchange after charging heat exchange
The high-temperature water obtained after heat exchange in device is partially into flash tank, is also partially into ice and melts heat exchanger, is transmitted by heat wherein
Being allowed to melt to ice crystal, the water at low temperature obtained after heat exchange discharges system；
Described evaporating heat exchanger is connected with compressor, in evaporating heat exchanger after cold-producing medium and material A heat exchange, through compressor pressure
Entering condensing heat exchanger after contracting, reject heat to water in condensing heat exchanger, be allowed to temperature and raise, cold-producing medium subtracts through choke valve
After pressure, it is again introduced into evaporating heat exchanger and starts new low-temperature material concentration cycles；The water obtaining heat in condensing heat exchanger enters
Enter flash tank, be evaporated to water vapour wherein and start new high-temperature material concentration cycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500075.0U CN205730439U (en) | 2016-05-26 | 2016-05-26 | A kind of high/low temperature coupling concentration systems of heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500075.0U CN205730439U (en) | 2016-05-26 | 2016-05-26 | A kind of high/low temperature coupling concentration systems of heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205730439U true CN205730439U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620500075.0U Expired - Fee Related CN205730439U (en) | 2016-05-26 | 2016-05-26 | A kind of high/low temperature coupling concentration systems of heat recovery |
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| Country | Link |
|---|---|
| CN (1) | CN205730439U (en) |
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2016
- 2016-05-26 CN CN201620500075.0U patent/CN205730439U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200526 |