CN106039740B - Function of mechanical steam recompression defoams vapo(u)rization system and method for work - Google Patents
Function of mechanical steam recompression defoams vapo(u)rization system and method for work Download PDFInfo
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- CN106039740B CN106039740B CN201610539166.XA CN201610539166A CN106039740B CN 106039740 B CN106039740 B CN 106039740B CN 201610539166 A CN201610539166 A CN 201610539166A CN 106039740 B CN106039740 B CN 106039740B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000007792 gaseous phase Substances 0.000 claims description 13
- 239000006260 foam Substances 0.000 claims description 11
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 3
- 230000009123 feedback regulation Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010016326 Feeling cold Diseases 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229940126678 chinese medicines Drugs 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
Abstract
A kind of function of mechanical steam recompression defoaming vapo(u)rization system and method for work, belong to energy-saving field.It is characterized in that：The system is by weak solution（1）Middle moisture is evaporated to steam, passes through compressor（16）Function of mechanical steam recompression is subjected to secondary use, while observes flash vessel（8）Middle liquid level gauge（10）, pass through first sensor（11）And second sensor（13）Feedback regulation water spray and into evaporative condenser（4）Indirect steam amount, bubbles volume is set to be at standard liquid level and the product yield of control system, this system reduces heat input, and effectively reaches the purpose of defoaming, has overall efficient advantage.
Description
Technical field
The present invention relates to a kind of function of mechanical steam recompression defoaming vapo(u)rization system and method for work, belong to energy-saving field.
Technical background
Mechanical vapor recompression technology is a kind of heat pump skill for being widely used in the concentration of the industry such as medicine, chemical industry feedstock purification
Art, because the technology only needs to consume a small amount of mechanical energy, boosting heating can be carried out to indirect steam caused by evaporation process,
Its energy figure is improved, and recycles the indirect steam latent heat after supercharging and heating evaporation, therefore the heat is carried out to low temperature feedstock
The coefficient of performance of pumping system is higher.Wherein compressor is the core component of the system, is not only the key of the energy saving of system, and
It is required that inlet steam can not contain the impurity such as drop and solid granulates.
However, for raw materials such as Chinese medicines, it is concentrated being evaporated using function of mechanical steam recompression heat pump techniques to it
Cheng Zhong, because raw material is how empty medium, a large amount of bubbles are often carried in the indirect steam that raw material is evaporated in evaporative condenser
The phenomenon of foam, foam overflow flash vessel and entrance suction port of compressor often occurs, due to carrying partial drop in foam and consolidating
Body particle, the normal work of compressor can be had a strong impact on.
It is not only easy to operate if function of mechanical steam recompression system working media can be utilized to eliminate foam, and can
Ensure compressor normal work, this be also the technological difficulties that face currently used for the mechanical vapor recompression technology of pharmaceuticals industry it
One.
The content of the invention
It is an object of the invention to provide a kind of function of mechanical steam recompression defoaming vapo(u)rization system and method for work.
A kind of function of mechanical steam recompression defoams vapo(u)rization system, it is characterised in that：The system includes：Preheater, evaporative condenser
Device, flash vessel, liquid level gauge, standard level indicator, first sensor, second sensor, spray head, compressor, first
Valve, the second valve, the 3rd valve, the 4th valve, the 5th valve, the 6th valve and the 7th valve；
Preheater includes hot side entrance, hot side outlet, cold side input port and cold side outlet port；Evaporative condenser enters including hot side
Mouth, hot side outlet, cold side input port and cold side outlet port；Flash vessel includes entrance, liquid-phase outlet and gaseous phase outlet；
Weak solution is connected by the first valve with preheater cold side input port, preheater cold side outlet port and evaporative condenser cold side
Entrance is connected, and evaporative condenser cold side outlet port is connected with flash vessel entrance, and flash vessel liquid-phase outlet is discharged dense by the second valve
Solution;
Flash vessel gaseous phase outlet is divided into two-way：It is connected all the way by the 4th valve with suction port of compressor；Another way passes through
Three valves are divided into two-way after being connected with compressor outlet：It is connected all the way by the 6th valve with evaporative condenser hot side entrance, is steamed
Condenser hot side outlet of feeling cold is connected with preheater hot side entrance；Another way is connected by the 5th valve with spray head in flash vessel；
Preheater hot side outlet is divided into two-way：It is connected all the way by the 7th valve with suction port of compressor；Another way directly with
Environment is connected；
Above-mentioned liquid level gauge and standard level indicator are located in flash vessel；Above-mentioned first sensor side connects liquid level
Indicating gage, opposite side connect the 5th valve；Second sensor side connects standard level indicator, and opposite side connects the 6th valve
Door.
Described function of mechanical steam recompression defoaming vapo(u)rization system and method for work, it is characterised in that including procedure below：
Weak solution enters preheater cold side by the first valve, absorbs preheater hot side heat and improves temperature, enters back into steaming
Feel cold condenser cold side, absorbing evaporative condenser hot side heat makes partial moisture enter flash vessel after evaporating；
Flash vessel liquid-phase outlet concentrated solution is discharged by the second valve；
Flash vessel gaseous phase outlet water vapour enters compressor by the 4th valve all the way, by after compressor increasing temperature and pressure with
It is divided into two-way after the gaseous phase outlet vapor mixing that another way passes through the 3rd valve：Enter evaporative condenser by the 6th valve all the way
Device hot side, to the resulting exothermic solution of evaporative condenser cold side after enter preheater hot side, continue to weak solution heat release；Another way is passed through
5th valve ejecting liquid into flash vessel, observe liquid level gauge in flash vessel；When liquid level gauge liquid level improves,
First sensor feeds back to the bigger opening information of the 5th valve, is increased by spray head flow, in elimination flash vessel excessively
Foam；When liquid level gauge liquid level is relatively low, first sensor feeds back to the smaller opening information of the 5th valve, passes through spray
Drench head flow to reduce, reduce and eliminate foam in flash vessel；
When the height that standard level indicator is shown is higher than standard liquid level, reduce the aperture of the 6th valve, make to enter and steam
The indirect steam amount of condenser of feeling cold reduces, and reduces the rate of heat addition, reduces the product yield of the system；When standard level indicator shows
When the height shown is less than standard liquid level, increase the aperture of the 6th valve, make the indirect steam amount increase into evaporative condenser, increase
The big rate of heat addition, increase the product yield of the system；
Preheater hot side outlet divides two-way：It is directly discharged to all the way in environment；When reservoir gaseous phase outlet steam is by the
When four valves are in superheat state, another way then enters compressor by the 7th valve, makes to be in saturation into compressor gas
State.
From the said system course of work, it is known that the function of mechanical steam recompression system, after having extracted a small amount of compressor
High pressure-temperature superheated steam, the foam in flash vessel can be effectively eliminated, operating method is simple, and system energy consumption is influenceed not
Greatly.It is particularly suitable for the techniques such as the raw material concentration purification of the industries such as existing Chinese medicine material.
Brief description of the drawings
A kind of function of mechanical steam recompression defoaming vapo(u)rization systems of Fig. 1;
Label title in figure：1st, weak solution, the 2, first valve, 3, preheater, 4, evaporative condenser, the 5, the 7th valve, 6,
Second valve, 7, concentrated solution, 8, flash vessel, 9, standard level indicator, 10, liquid level gauge, 11, first sensor, 12, spray
Drench head, 13, second sensor, the 14, the 3rd valve, the 15, the 4th valve, 16, compressor, the 17, the 5th valve, the 18, the 6th valve.
Specific implementation method
1 running for illustrating the drying integrated system of the generating and method of work with reference to the accompanying drawings：
Weak solution 1 enters the cold side of preheater 3 by the first valve 2, absorbs the hot side heat of preheater 3 and improves temperature, then enters
Enter the cold side of evaporative condenser 4, absorbing the hot side heat of evaporative condenser 4 makes part moisture content enter flash vessel 8 after evaporating；
The liquid-phase outlet concentrated solution of flash vessel 8 is discharged by the second valve 6；
The gaseous phase outlet water vapour of flash vessel 8 enters compressor 16 by the 4th valve 15 all the way, is heated up by compressor 16
It is divided into two-way after being mixed after boosting with another way by the gaseous phase outlet vapor of the 3rd valve 14：Pass through the 6th valve 18 all the way
Into the hot side of evaporative condenser 4, to the resulting exothermic solution of the cold side of evaporative condenser 4 after enter the hot side of preheater 3, continue to weak solution
Heat release；Another way passes through the 5th valve 17 ejecting liquid into flash vessel 8, observes liquid level gauge 10 in flash vessel 8；Work as liquid level
When the liquid level of indicating gage 10 improves, first sensor 11 feeds back to the bigger opening information of the 5th valve 17, passes through spray head
The increase of 12 flows, can eliminate foam excessive in flash vessel 8；When the liquid level of liquid level gauge 10 is relatively low, the first sensing
Device 11 feeds back to the smaller opening information of the 5th valve 17, is reduced by the flow of spray head 12, it is possible to reduce eliminates in flash vessel 8
Foam；
When the height that standard level indicator 9 is shown is higher than standard liquid level, reduces the aperture of the 6th valve 18, make entrance
The indirect steam amount of evaporative condenser 4 reduces, and reduces the rate of heat addition, reduces the product yield of the system；When standard liquid level is shown
When the height of the display of meter 9 is less than standard liquid level, increases the aperture of the 6th valve 18, make the indirect steam into evaporative condenser 4
Amount increase, increases the rate of heat addition, increases the product yield of the system；
The hot side outlet of preheater 3 divides two-way；It is directly discharged to all the way in environment；When the gaseous phase outlet steam of reservoir 8 passes through
When 4th valve 15 is in superheat state, another way then enters compressor 16 by the 7th valve 5, makes to enter the gas of compressor 16
In saturation state.
Claims (2)
1. a kind of function of mechanical steam recompression defoams vapo(u)rization system, it is characterised in that：
The system includes：Preheater（3）, evaporative condenser（4）, flash vessel（8）, liquid level gauge（10）, standard liquid level shows
Meter（9）, first sensor（11）, second sensor（13）, spray head（12）, compressor（16）, the first valve（2）, the second valve
Door（6）, the 3rd valve（14）, the 4th valve（15）, the 5th valve（17）, the 6th valve（18）With the 7th valve（5）；
Preheater（3）Including hot side entrance, hot side outlet, cold side input port and cold side outlet port；Evaporative condenser（4）Enter including hot side
Mouth, hot side outlet, cold side input port and cold side outlet port；Flash vessel（8）Including entrance, liquid-phase outlet and gaseous phase outlet；
Weak solution（1）By the first valve（2）With preheater（3）Cold side input port is connected, preheater（3）Cold side outlet port is cold with evaporating
Condenser（4）Cold side input port is connected, evaporative condenser（4）Cold side outlet port and flash vessel（8）Entrance is connected, flash vessel（8）Liquid phase goes out
Mouth passes through the second valve（6）Discharge concentrated solution;
Flash vessel（8）Gaseous phase outlet is divided into two-way：Pass through the 4th valve all the way（15）With compressor（16）Entrance is connected；Another way
Pass through the 3rd valve（14）With compressor（16）Outlet is divided into two-way after being connected：Pass through the 6th valve all the way（18）With evaporative condenser
Device（4）Hot side entrance is connected, evaporative condenser（4）Hot side outlet and preheater（3）Hot side entrance is connected；Another way passes through the 5th
Valve（17）With flash vessel（8）Middle spray head（12）It is connected；
Preheater（3）Hot side outlet is divided into two-way：Pass through the 7th valve all the way（5）With compressor（16）Entrance is connected；Another way
Directly it is connected with environment;
Above-mentioned liquid level gauge（10）With standard level indicator（9）Positioned at flash vessel（8）In；Above-mentioned first sensor（11）One
Side connects liquid level gauge（10）, opposite side the 5th valve of connection（17）；Second sensor（13）Side connection standard liquid level shows
Show meter（9）, opposite side the 6th valve of connection（18）.
2. the method for work of function of mechanical steam recompression defoaming vapo(u)rization system according to claim 1, it is characterised in that including
Procedure below：
Weak solution（1）By the first valve（2）Into preheater（3）Cold side, absorb preheater（3）Hot side heat improves temperature,
Enter back into evaporative condenser（4）Cold side, absorb evaporative condenser（4）Hot side heat makes part moisture content enter flash vessel after evaporating
（8）；
Flash vessel（8）Liquid-phase outlet concentrated solution passes through the second valve（6）Discharge；
Flash vessel（8）Gaseous phase outlet water vapour passes through the 4th valve all the way（15）Into compressor（16）, pass through compressor（16）
Pass through the 3rd valve with another way after increasing temperature and pressure（14）Gaseous phase outlet vapor mixing after be divided into two-way：Pass through the 6th all the way
Valve（18）Into evaporative condenser（4）Hot side, to evaporative condenser（4）Enter preheater after the resulting exothermic solution of cold side（3）Heat
Side, continue to weak solution heat release；Another way passes through the 5th valve（17）To flash vessel（8）Middle ejecting liquid, observe flash vessel（8）
Middle liquid level gauge（10）；Work as liquid level gauge（10）When liquid level improves, first sensor（11）Feed back to the 5th valve
（17）Bigger opening information, passes through spray head（12）Flow increase, eliminates flash vessel（8）Interior excessive foam；When liquid level refers to
Show meter（10）When liquid level is relatively low, first sensor（11）Feed back to the 5th valve（17）Smaller opening information, pass through spray
Drench head（12）Flow is reduced, and is reduced and is eliminated flash vessel（8）Interior foam；
When standard level indicator（9）When the height of display is higher than standard liquid level, reduce the 6th valve（18）Aperture, make entrance
Evaporative condenser（4）Indirect steam amount reduce, reduce the rate of heat addition, reduce the product yield of the system；When standard liquid level shows
Show meter（9）When the height of display is less than standard liquid level, increase the 6th valve（18）Aperture, make to enter evaporative condenser（4）'s
The increase of indirect steam amount, increases the rate of heat addition, increases the product yield of the system；
Preheater（3）Hot side outlet divides two-way；It is directly discharged to all the way in environment；Work as reservoir（8）Gaseous phase outlet steam passes through
4th valve（15）During in superheat state, another way then passes through the 7th valve（5）Into compressor（16）, make to enter compressor
（16）Gas is in saturation state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610539166.XA CN106039740B (en) | 2016-07-11 | 2016-07-11 | Function of mechanical steam recompression defoams vapo(u)rization system and method for work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610539166.XA CN106039740B (en) | 2016-07-11 | 2016-07-11 | Function of mechanical steam recompression defoams vapo(u)rization system and method for work |
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| CN106039740A CN106039740A (en) | 2016-10-26 |
| CN106039740B true CN106039740B (en) | 2018-01-12 |
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| CN106705308B (en) * | 2017-02-03 | 2022-05-03 | 江苏乐科节能科技股份有限公司 | Mechanical flash evaporation type air conditioner refrigeration system and working method thereof |
| KR20220045372A (en) * | 2020-10-05 | 2022-04-12 | 주식회사 엘지화학 | Stripping device and stripping method |
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|---|---|---|---|---|
| CN202924774U (en) * | 2012-07-18 | 2013-05-08 | 如皋市金陵化工有限公司 | Wastewater treatment system |
| CN103127736A (en) * | 2013-03-26 | 2013-06-05 | 东华大学 | Evaporation and concentration device utilizing heat pump technique |
| CN103768808A (en) * | 2014-01-23 | 2014-05-07 | 南京航空航天大学 | Partial steam recompression, evaporation and concentration system and method |
| CN105540626A (en) * | 2015-12-18 | 2016-05-04 | 苏州中色德源环保科技有限公司 | Alumina mother liquor MVR circulation evaporation device and process |
| CN205216221U (en) * | 2015-11-18 | 2016-05-11 | 北京中轻机乳品设备有限责任公司 | Water vapor recompression vaporization system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10260494B3 (en) * | 2002-12-21 | 2004-02-05 | Kbh Engineering Gmbh | Method for desalinating water comprises filling evaporation unit with salt water, filling condensing unit with pure water and reducing pressure in both units before they are connected |
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2016
- 2016-07-11 CN CN201610539166.XA patent/CN106039740B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202924774U (en) * | 2012-07-18 | 2013-05-08 | 如皋市金陵化工有限公司 | Wastewater treatment system |
| CN103127736A (en) * | 2013-03-26 | 2013-06-05 | 东华大学 | Evaporation and concentration device utilizing heat pump technique |
| CN103768808A (en) * | 2014-01-23 | 2014-05-07 | 南京航空航天大学 | Partial steam recompression, evaporation and concentration system and method |
| CN205216221U (en) * | 2015-11-18 | 2016-05-11 | 北京中轻机乳品设备有限责任公司 | Water vapor recompression vaporization system |
| CN105540626A (en) * | 2015-12-18 | 2016-05-04 | 苏州中色德源环保科技有限公司 | Alumina mother liquor MVR circulation evaporation device and process |
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| CN106039740A (en) | 2016-10-26 |
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Denomination of invention: Mechanical steam re compression defoaming evaporation system and working method Granted publication date: 20180112 Pledgee: Bank of Nanjing Co.,Ltd. Taizhou Branch Pledgor: JIANGSU LEKE ENERGY SAVING TECHNOLOGY Co.,Ltd. Registration number: Y2024980004853 |
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