CN108619747A - Production technology is concentrated by evaporation using the energy conservation and environmental protection of MVR - Google Patents
Production technology is concentrated by evaporation using the energy conservation and environmental protection of MVR Download PDFInfo
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- CN108619747A CN108619747A CN201810536463.8A CN201810536463A CN108619747A CN 108619747 A CN108619747 A CN 108619747A CN 201810536463 A CN201810536463 A CN 201810536463A CN 108619747 A CN108619747 A CN 108619747A
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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
- B01D1/0058—Use of waste energy from other processes or sources, e.g. combustion gas
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention proposes a kind of energy conservation and environmental protection evaporation and concentration production technology using MVR, belongs to technical field of energy saving and environmental protection.Recycling and separator and pressure buffer are trapped using material and separator has carried out the recycling of material, the separation of exhaust gas to the entrance and exit of vapour compression machine respectively, production cost is reduced, extends the service life of equipment, while having significant environment protecting.The secondary waste steam that evaporation concentration device generates is recycled after vapour compression machine compresses, there is highly significant energy-saving effect.Using proportional valve control waste heat recovering energy conserving device, realize yield and it is energy saving between coordination control, realize maximized energy saving and environment protecting.Equipment is all closed in production technology whole process, and material it is completely cooling after carry out filling, realize zero leakage of exhaust gas.It can be widely applied to food, feed, chemical industry, pharmacy, sewage disposal, sea water desalination etc. and need the industry and the field that are evaporated concentration to material.
Description
Technical field
The present invention relates to a kind of evaporation and concentration production technologies using MVR, especially a kind of to carry out steam waste heat using MVR
The evaporation and concentration production technology recycled completely.Belong to technical field of energy saving and environmental protection.
Background technology
The technology that exhaust steam heat recovery is carried out using MVR existing at present, but there are all for technique and technical solution
Mostly not perfect place.
Perhaps various materials are very easy to blistering in evaporating concentration process, and foam can sweep along a large amount of materials with vacuum
Except pipeline escape, that is, race material phenomenon described in the industry；Even if without foam, since what is generally used is all
Negative pressure of vacuum concentrates or evaporation, also can entrainment portions material in the exhaust steam of generation.Therefore, what is generated in evaporation concentration system is useless
Steam is generally mixed vapour, wherein containing saturated vapor, drop, solid particle, the foam of material, air and other gases
Foam, the drop and solid particle containing material of equal impurity, especially material, as mixed vapour enters exhaust steam pipe together
Road.Thus the problem of following several respects can be brought：
1）The loss for causing material, increases production cost；
2）It can block, corrode subsequent pipeline, influence the continuous reliability service of production, increase the energy consumption of system, shortening equipment makes
Use the service life；
3）When carrying out exhaust steam recycling, mixing exhaust steam needs to promote temperature and pressure using mechanical compression mode,
In impurity vapour compression machine can be adversely affected again, increase load loss, be easy cause equipment fault, to equipment
Generate heavy corrosion etc.；
4）Compression exhaust steam containing the impurity such as air and other gases utilizes the heat exchange of subsequent exhaust steam and causes undesirable shadow
It rings.
Currently used is filter type, and is placed on inside evaporation concentration device；It will obviously lead to additional resistance, make
At the pressure loss, and filter device works long hours to be easy to block and loses effect.
In addition, in the existing technology for carrying out exhaust steam heat recovery using MVR, there is also do not carried out to waste heat
It is complete recycle, intermediate link has exhaust leak phenomenon, using Roots's vapour compression machine when vibration noise excessive etc. ask
Topic.
Invention content
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of energy conservation and environmental protection evaporation and concentration using MVR
Production technology, for solving the problems, such as that energy waste is excessive in existing evaporation and concentration production technology, environment protecting is very poor, and to running
The problem of material problem, the quality problems for compressing exhaust steam, waste heat cmpletely utilize etc. provides effective solution scheme, realizes
The maximization of exhaust steam recycles, and has highly significant energy saving and environment protecting.
The technical solution adopted by the present invention to solve the technical problems is：
The energy conservation and environmental protection using MVR is concentrated by evaporation production technology, including feeding auger（1）, boiling auger（2）, material
Processing unit（3）, evaporation concentration device（4）, secondary waste steam manifold（5）, material trapping recycling and separator（6）, steam
Compressor（7）, pressure buffer and separator（8）, compression exhaust steam manifold（9）, condensation supply mains（10）, waste condensate water manifold
（11）, waste gas header（12）, raw main steam range（13）.
The material that need to be concentrated is through feeding auger（1）It is conveyed to boiling auger（2）, through boiling auger（2）It conveys and heats steaming
After boiling, it is sent into material handling apparatus（3）, evaporation concentration device is sent into after processing（4）, in evaporation concentration device（4）In steamed
Hair concentration；In the production technology of certain type materials, material handling apparatus can be omitted（3）, i.e. material is from boiling auger（2）Directly
It is sent into evaporation concentration device（4）, and according to the difference of material variety, evaporation concentration device（4）Can be reaction kettle, falling film evaporation
Device etc..
The secondary waste steam that material evaporation concentration generates is by evaporation concentration device（4）Into secondary waste steam manifold（5）, warp
Material trapping recycling and separator（6）The separation of the trapping and exhaust gas of material is carried out, the loopback of material trapped is dense to evaporating
Compression apparatus（4）, remaining secondary waste steam is then into vapour compression machine（7）, through vapour compression machine（7）After compression, pressure is obtained
The compression exhaust steam improved with temperature is sent into pressure buffer and separator（8）The separation of condensed water and exhaust gas is carried out, remaining
Compression exhaust steam enter compression exhaust steam manifold（9）, supply evaporation concentration device（4）Evaporation and concentration for material.Steam
Compressor（7）Generally roots-type or centrifugal, roots-type both vapor compression machine vibration and noise are larger, pressure buffer and separation dress
It sets（8）Expand vapour compression machine（7）The space of outlet can play effective cushioning effect；Meanwhile also acting as vapor-liquid separation
The effect of device.
Feeding auger（1）, boiling auger（2）, material handling apparatus（3）, material trapping recycling and separator（6）Operation
The exhaust gas of middle generation is sent into waste gas header（12）Discharge.Therefore, leaking for exhaust gas is not will produce；Contain stimulation in most exhaust gas
Property or harmful ingredient, need just discharge by special processing.
Raw main steam range（13）Connect wet steamer or external saturated vapor pipeline.
Further, the secondary waste steam manifold（5）In vapour compression machine（7）Under the action of, internal vapour pressure
Power is negative pressure.The size of negative pressure can be determined according to the characteristic of material.
Further, the feeding auger（1）With chuck or main shaft heating part, heat is provided using compression exhaust steam
Can, the waste condensate water generated after compression exhaust steam heat exchange enters waste condensate water manifold（11）.
Further, the boiling auger（2）With chuck or main shaft heating part, steamed using raw steam or compression are useless
Stripping is for thermal energy；Raw steam is by giving birth to main steam range（13）It provides, the condensed water generated after heat exchange enters condensation supply mains（10）, pressure
The waste condensate water generated after the heat exchange of contracting exhaust steam enters waste condensate water manifold（11）.
Further, the evaporation concentration device（4）Thermal energy is provided using raw steam or compression exhaust steam；Raw steam by
Raw main steam range（13）It provides, the condensed water generated after heat exchange enters condensation supply mains（10）, generated after compression exhaust steam heat exchange
Waste condensate water enter waste condensate water manifold（11）.The supply and method of supplying of raw steam, depend on yield and energy-saving effect
Between Optimized Matching, can be determined by user.
Further, including proportioning valve（14）, waste heat recovering energy conserving device（15）, circulating pump（16）, extra compression is useless
Steam is through proportioning valve（14）From waste heat recovering energy conserving device（15）Top enter, waste condensate water after heat exchange and remaining exhaust steam
Through waste condensate water manifold（11）From waste heat recovering energy conserving device（15）Lower part enter, jointly with waste heat recovering energy conserving device（15）
Inside is by circulating pump（16）The water purification heat exchange of driving cycle；Waste condensate water after heat exchange is discharged to waste water manifold（17）, exhaust gas send
Enter waste gas header（12）Discharge.
Further, including it is quickly cooled down filling apparatus（18）, evaporation concentration device（4）Material is concentrated to setting concentration
Afterwards, it send and is quickly cooled down filling apparatus（18）It is carried out after cooling filling.
Compared with prior art, the invention has the advantages that：
1, using material trap recycling and separator and pressure buffer and separator respectively to the entrance of vapour compression machine and
Outlet has carried out the recycling of material, the separation of exhaust gas, has saved material, has reduced production cost, has greatly reduced and be mixed in useless steaming
Material in vapour and exhaust gas effectively reduce the service life that equipment is extended to the burn into of the entire production line equipment；Simultaneously
So that the pollutant in the waste condensate water of discharge, exhaust gas effectively reduces, there is significant environment protecting.In addition, pressure buffer and point
Cushioning effect can also be generated to the fluctuation pressure of vapour compression machine, effectively eliminate when vapour compression machine is run simultaneously from device
Vibration and noise also functions to the effect for effectively extending vapour compression machine service life.
2, the secondary waste steam that evaporation concentration device generates is compressed through vapour compression machine, improves loopback after pressure and temperature
It is recycled to feeding auger, boiling auger and evaporation concentration device, greatly reduces consumption of the production line to raw steam
Demand has highly significant energy-saving effect.Meanwhile the treating capacity of exhaust steam and exhaust gas is greatly reduced, save correlation
The investment of equipment reduces energy consumption, and environment protecting is also very notable.
3, using proportional valve control waste heat recovering energy conserving device, realize yield and it is energy saving between coordination control, and it is right
Remaining exhaust steam after extra compression exhaust steam and heat exchange has also carried out complete recycling and utilization, realizes maximized energy saving
And environment protecting.
4, equipment is all closed in production technology whole process, and material it is completely cooling after carry out filling, realize exhaust gas
Zero leakage.
Description of the drawings
Fig. 1：Production technology schematic diagram is concentrated by evaporation using the energy conservation and environmental protection of MVR.
In figure：1- feedings auger, 2- boilings auger, 3- material handling apparatus, 4- evaporation concentration devices, 5- secondary waste steams
Manifold, 6- material trapping recycling and separator, 7- vapour compression machines, 8- pressure buffers and separator, 9- compress exhaust steam
Manifold, 10- condense supply mains, 11- waste condensate water manifold, 12- waste gas header, 13- lifes main steam range, 14- proportioning valves, more than 15-
Heat recovery energy-saving device, 16- circulating pumps, 17- waste water manifold, 18- are quickly cooled down filling apparatus.
Specific implementation mode
The invention will now be described in further detail with reference to the accompanying drawings：
As shown in Figure 1 for using the energy conservation and environmental protection of MVR evaporation and concentration production technology schematic diagram.It is described using MVR's in Fig. 1
Energy conservation and environmental protection is concentrated by evaporation production technology, including feeding auger（1）, boiling auger（2）, material handling apparatus（3）, be concentrated by evaporation
Device（4）, secondary waste steam manifold（5）, material trapping recycling and separator（6）, vapour compression machine（7）, pressure buffer and
Separator（8）, compression exhaust steam manifold（9）, condensation supply mains（10）, waste condensate water manifold（11）, waste gas header（12）, it is raw
Main steam range（13）, proportioning valve（14）, waste heat recovering energy conserving device（15）, circulating pump（16）, waste water manifold（17）, be quickly cooled down
Filling apparatus（18）.
By taking fish pastes production technology as an example, after fish raw material crushes, through feeding auger（1）It conveys and preheats, be sent into boiling auger
（2）, through boiling auger（2）After conveying and heating boiling, it is sent into material handling apparatus（3）, evaporation concentration device is sent into after processing
（4）It is evaporated concentration；After fish pastes are concentrated to setting concentration, send and be quickly cooled down filling apparatus（18）It is carried out after cooling filling.
For fish pastes production, material handling apparatus（3）It is substantially carried out grinding, the enzymolysis of fish raw material, evaporation concentration device（4）Generally
The reaction kettle of multiple paired runnings, is quickly cooled down filling apparatus（18）Can be scraper-type reaction kettle and auger.
The secondary waste steam that material evaporation concentration generates typically contains the impurity such as partial material, foam, air and exhaust gas, by
Evaporation concentration device（4）Into secondary waste steam manifold（5）, recycling and separator are trapped through material（6）Carry out catching for material
The separation of collection and exhaust gas, the loopback of material trapped is to evaporation concentration device（4）, the exhaust gas isolated send waste gas header（12）,
Remaining secondary waste steam then enters vapour compression machine（7）, through vapour compression machine（7）After compression, obtains pressure and temperature and carry
High compression exhaust steam is sent into pressure buffer and separator（8）The separation of condensed water is carried out, remaining compression exhaust steam enters
Compress exhaust steam manifold（9）, supply feeding auger（1）, boiling auger（2）And evaporation concentration device（4）Heating for material
Boiling and evaporation and concentration realize the heat recovery of secondary waste steam.Vapour compression machine（7）Using roots-type both vapor compression
Machine, vibration and noise are larger, pressure buffer and separator（8）Expand vapour compression machine（7）The space of outlet can play
Effective cushioning effect.
In Fig. 1, feeding auger（1）Compression exhaust steam is all used to be heated for fish raw material, boiling auger（2）Chuck use
Compression exhaust steam, main shaft use raw steam, can adjust raw steam as the case may be in practical application and compress the gas of exhaust steam
Amount and configuration；Since the feeding temperature of fish raw material is relatively low, the value of the waste condensate water recycling of generation is little, can directly send waste water total
Pipe（17）.Evaporation concentration device（4）For the reaction kettle with chuck and coil pipe, chuck is using compression exhaust steam, coil pipe using life
Steam；Not only it ensure that production efficiency, but also realize the recycling of compression exhaust steam.Certainly, feeding auger（1）, boiling auger
（2）And evaporation concentration device（4）Life steam and compression exhaust steam be used in mixed way mode, can according to the production of different material
Technique is adjusted flexibly, is used in mixed way.
In Fig. 1, waste heat recovering energy conserving device（15）For tubular structure, water purification is recycled by tubulation and upper lower header, is useless
Steam and waste condensate water are led in the shell outside tubulation, for the remaining exhaust steam after extra compression exhaust steam and heat exchange into
Row waste heat recovery, simultaneously because the temperature of general waste condensate water at 90 DEG C or so, has also also carried out the waste heat of waste condensate water time
It receives, the water purification after circulating-heating can be boiler water supply.The waste condensate water for having recycled waste heat send waste water manifold（17）, exhaust gas send useless
Gas manifold（12）, exhaust gas at this time is mainly fixed gas, due to being substantially free of exhaust steam, tolerance very little, just with subsequent exhaust gas
Processing.In addition, passing through proportioning valve（14）Aperture control be sent to waste heat recovering energy conserving device（15）Compression exhaust steam amount, can
Realize yield and it is energy saving between coordination control while, to exhaust steam carry out completely recycle and utilize, realize maximize
Energy saving and environment protecting.
In Fig. 1, feeding auger（1）, boiling auger（2）, material handling apparatus（3）, material trapping recycling and separator
（6）The exhaust gas generated in operation is sent into waste gas header（12）Discharge.Due in most exhaust gas containing it is irritant or it is harmful at
Point, equipment is all closed in production technology whole process of the present invention, and fish pastes are by being quickly cooled down filling apparatus（18）It is completely cold
But carried out again after it is filling, realize production process whole process exhaust gas zero reveal.
The foregoing is merely the preferable embodiments of the present invention, are not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (7)
1. the energy conservation and environmental protection using MVR is concentrated by evaporation production technology, it is characterised in that：Including feeding auger（1）, boiling auger
（2）, material handling apparatus（3）, evaporation concentration device（4）, secondary waste steam manifold（5）, material trapping recycling and separator
（6）, vapour compression machine（7）, pressure buffer and separator（8）, compression exhaust steam manifold（9）, condensation supply mains（10）, it is useless cold
Condensate manifold（11）, waste gas header（12）, raw main steam range（13）；
The material that need to be concentrated by evaporation is through feeding auger（1）It is conveyed to boiling auger（2）, through boiling auger（2）It conveys and heats steaming
After boiling, it is sent into material handling apparatus（3）, evaporation concentration device is sent into after processing（4）, in evaporation concentration device（4）In steamed
Hair concentration；
The secondary waste steam that material evaporation concentration generates is by evaporation concentration device（4）Into secondary waste steam manifold（5）, through material
Trapping recycling and separator（6）The separation of the trapping and exhaust gas of material is carried out, the loopback of material trapped is filled to evaporation and concentration
It sets（4）, remaining secondary waste steam is then into vapour compression machine（7）, through vapour compression machine（7）After compression, pressure and temperature are obtained
The compression exhaust steam improved is spent, pressure buffer and separator are sent into（8）The separation of condensed water and exhaust gas is carried out, remaining pressure
Contracting exhaust steam enters compression exhaust steam manifold（9）, supply evaporation concentration device（4）Evaporation and concentration for material；
Feeding auger（1）, boiling auger（2）, material handling apparatus（3）, material trapping recycling and separator（6）It is produced in operation
Raw exhaust gas is sent into waste gas header（12）Discharge；
Raw main steam range（13）Connect wet steamer or external saturated vapor pipeline.
2. the energy conservation and environmental protection according to claim 1 using MVR is concentrated by evaporation production technology, it is characterised in that：Described
Secondary waste steam manifold（5）In vapour compression machine（7）Under the action of, internal steam pressure is negative pressure.
3. the energy conservation and environmental protection according to claim 1 using MVR is concentrated by evaporation production technology, it is characterised in that：Described
Feeding auger（1）With chuck or main shaft heating part, thermal energy is provided using compression exhaust steam, is generated after compression exhaust steam heat exchange
Waste condensate water enter waste condensate water manifold（11）.
4. the energy conservation and environmental protection according to claim 1 using MVR is concentrated by evaporation production technology, it is characterised in that：Described
Boiling auger（2）With chuck or main shaft heating part, thermal energy is provided using raw steam or compression exhaust steam；
Raw steam is by giving birth to main steam range（13）It provides, the condensed water generated after heat exchange enters condensation supply mains（10）, compress useless steam
The waste condensate water generated after vapour heat exchange enters waste condensate water manifold（11）.
5. the energy conservation and environmental protection according to claim 1 using MVR is concentrated by evaporation production technology, it is characterised in that：Described
Evaporation concentration device（4）Thermal energy is provided using raw steam or compression exhaust steam；
Raw steam is by giving birth to main steam range（13）It provides, the condensed water generated after heat exchange enters condensation supply mains（10）, compress useless steam
The waste condensate water generated after vapour heat exchange enters waste condensate water manifold（11）.
6. the energy conservation and environmental protection according to claim 1 using MVR is concentrated by evaporation production technology, it is characterised in that：Including than
Example valve（14）, waste heat recovering energy conserving device（15）, circulating pump（16）, waste water manifold（17）；
Extra compression exhaust steam is through proportioning valve（14）From waste heat recovering energy conserving device（15）Top enter, it is useless cold after heat exchange
Condensate and remaining exhaust steam are through waste condensate water manifold（11）From waste heat recovering energy conserving device（15）Lower part enter, jointly and waste heat
Recycle energy saver（15）Inside is by circulating pump（16）The water purification heat exchange of driving cycle；Waste condensate water after heat exchange is discharged to waste water
Manifold（17）, exhaust gas feeding waste gas header（12）Discharge.
7. the energy conservation and environmental protection according to claim 1 using MVR is concentrated by evaporation production technology, it is characterised in that：Including fast
Quickly cooling but filling apparatus（18）, evaporation concentration device（4）After material is concentrated to setting concentration, send and be quickly cooled down filling apparatus
（18）It is carried out after cooling filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810536463.8A CN108619747A (en) | 2018-05-30 | 2018-05-30 | Production technology is concentrated by evaporation using the energy conservation and environmental protection of MVR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810536463.8A CN108619747A (en) | 2018-05-30 | 2018-05-30 | Production technology is concentrated by evaporation using the energy conservation and environmental protection of MVR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108619747A true CN108619747A (en) | 2018-10-09 |
Family
ID=63690718
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| CN201810536463.8A Pending CN108619747A (en) | 2018-05-30 | 2018-05-30 | Production technology is concentrated by evaporation using the energy conservation and environmental protection of MVR |
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| CN206414788U (en) * | 2016-09-22 | 2017-08-18 | 深圳市捷晶能源科技有限公司 | A kind of salting liquid saves evaporating, concentrating and crystallizing system |
| CN107337243A (en) * | 2017-08-31 | 2017-11-10 | 龙文庆 | A kind of MVR evaporation concentration equipments for wastewater treatment |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201618435U (en) * | 2009-12-15 | 2010-11-03 | 山东德仕化工集团有限公司 | Vacuum material catcher |
| CN103217008A (en) * | 2013-04-19 | 2013-07-24 | 洛阳中懋环保设备有限公司 | Method and device for material drying in steam recompression mode |
| CN203208699U (en) * | 2013-04-24 | 2013-09-25 | 江苏科化节能环保设备有限公司 | MVR (mechanical vapor recompression) heat pump evaporation system of positive-displacement compressor |
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Application publication date: 20181009 |