CN102462973A - Organic solvent purifying device - Google Patents
Organic solvent purifying device Download PDFInfo
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- CN102462973A CN102462973A CN2010105324831A CN201010532483A CN102462973A CN 102462973 A CN102462973 A CN 102462973A CN 2010105324831 A CN2010105324831 A CN 2010105324831A CN 201010532483 A CN201010532483 A CN 201010532483A CN 102462973 A CN102462973 A CN 102462973A
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- organic solvent
- activated carbon
- heat exchanger
- purifying device
- carbon adsorption
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- Separation Of Gases By Adsorption (AREA)
Abstract
The invention relates to an organic solvent purifying device. According to the device, organic solvent-containing waste gas requiring purifying is introduced to an active carbon adsorption and desorption device, wherein the waste gas requiring purifying is generated during a process; a purifying device is arranged on the downstream end of the active carbon adsorption and desorption device; a heat exchanger for heating is arranged on the upstream end of the active carbon adsorption and desorption device. According to the present invention, the purifying effect of the device of the present invention is stable and is not affected by the weather, the service life of the active carbon can be prolonged, and the energy can be saved.
Description
Technical field
The present invention relates to a kind of waste gas to be clean that contains organic solvent that processing procedure is produced; Borrow frozen water clean and dehumidifying earlier with the particulate filtering in the off-gas flows; Then after the heat exchanger appropriate heating; Adsorb the design of program again by activated carbon adsorption desorption device, relate in particular to a kind of Purifying Device for Organic Solvent.
Background technology
Life and produce in the organic solvent of extensive use, at room temperature become gas with regard to highly volatile, thus have another name called volatile organic matter (Volatile Organic Compounds, VOCs), and the VOCs of majority has certain toxicity to human body, must handle; Yet; VOCs waste gas for processing procedure (such as the spraying processing procedure) generation of volatilizing; Normally as shown in Figure 1, borrow earlier 10 pairs of VOCs waste gas of an activated carbon adsorption desorption device to adsorb the program with concentrated desorption, the purified treatment of incinerating or reclaiming by 20 couples of concentrated VOCs of a purifier again.
Secondly; The absorption property of activated carbon is as shown in Figure 2, and its adsorption capacity to VOCs is just opposite with water absorbing capacity, when relative humidity is hanged down; To the adsorption capacity height of VOCs and water absorbing capacity is poor; When relative humidity was high, then water absorbing capacity was high and poor to the adsorption capacity of VOCs, and the rapid transformation of meeting between the transition region of relative humidity 50～60%RH of its absorption property; So aforementioned existing Purifying Device for Organic Solvent; When off-gas flows gets into this activated carbon adsorption desorption device 10; The influence that is vulnerable to weather because of the relative humidity of off-gas flows changes; Cause the ability of this activated carbon adsorption desorption device 10 absorption VOCs to present unsure state, that is whole purification effect is unstable.
Once more; Usually can have in the off-gas flows filter screen can't filtering particulate, and these particulates are the hole that can stop up activated carbon, reduce the adsorption capacity of activated carbon; In case and particulate just is difficult to remove after being jammed in the hole of activated carbon, satisfies therefore the service life of activated carbon and shortens.
Summary of the invention
In order to overcome prior art exists receive the weather influence and purify the effect problem of unstable, the present invention provides a kind of Purifying Device for Organic Solvent, and have to purify the stable effect that not influenced by weather of effect, and can prolong activated carbon service life, and energy-conservation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Purifying Device for Organic Solvent; It is characterized in that; Be processing procedure to be produced the waste gas to be clean that contains organic solvent import an activated carbon adsorption desorption device; And one purifier is set in the downstream of this activated carbon adsorption desorption device, in the upstream extremity of this activated carbon adsorption desorption device one heat exchanger in order to heat up is set in addition.
Aforesaid Purifying Device for Organic Solvent wherein further is provided with a washer in the upstream extremity of said heat exchanger.
Aforesaid Purifying Device for Organic Solvent wherein further is provided with a cooler and lets the washings of said washer cool off.
Aforesaid Purifying Device for Organic Solvent wherein further is provided with a heat pump and links said heat exchanger and said cooler, lets said heat exchanger and said cooler carry out heat exchange with the condenser and the evaporimeter of this heat pump respectively.
Aforesaid Purifying Device for Organic Solvent, wherein heat exchanger is further regulated the intensification degree by a controller, and this controller is the intensification degree of regulating said heat exchanger according to the temperature of waste gas to be clean and relative humidity or dew-point temperature.
Aforesaid Purifying Device for Organic Solvent, wherein heat exchanger causes the relative humidity of the waste gas to be clean that imports said activated carbon adsorption desorption device to maintain below the 60%RH.
Aforesaid Purifying Device for Organic Solvent, wherein activated carbon adsorption desorption device is activated carbon fluidisation formula inspissator or fixed-bed type inspissator.
Aforesaid Purifying Device for Organic Solvent, wherein purifier is that incinerator, condenser, spray chamber or spraying add ozone chamber.
The invention has the beneficial effects as follows to have and purify the stable effect that not influenced by weather of effect, and can prolong activated carbon service life, and energy-conservation.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of existing Purifying Device for Organic Solvent.
Fig. 2 is the sketch map of the absorption property of activated carbon.
Fig. 3 is the structural representation of first embodiment of the invention.
Fig. 4 is the structural representation of second embodiment of the invention.
Label declaration among the figure:
10 activated carbon adsorption desorption devices
20 purifiers
30 heat exchangers
31 controllers
40 washers
41 coolers
50 heat pumps
The specific embodiment
At first; See also shown in Figure 3; The first embodiment of the present invention; Be processing procedure to be produced the waste gas to be clean that contains organic solvent import an activated carbon adsorption desorption device 10, adsorb the program with concentrated desorption to treat organic solvent in the purifying exhaust air, and this activated carbon adsorption desorption device 10 can be activated carbon fluidisation formula inspissator or fixed-bed type inspissator; Downstream in this activated carbon adsorption desorption device 10 is provided with a purifier 20 again, and then to concentrating the organic solvent that desorption comes out by this activated carbon adsorption desorption device 10, carries out the purified treatment that incinerator incinerates or condenser reclaims; Upstream extremity in this activated carbon adsorption desorption device 10 is provided with a heat exchanger 30 in order to intensification in addition; Will import the waste gas appropriate heating to be clean of this activated carbon adsorption desorption device 10; Can know and learn and consult humidometer; The result who heats up can cause relative humidity to descend, that is the setting of this heat exchanger 30 can promote the adsorption capacity of 10 pairs of organic solvents of this activated carbon adsorption desorption device.
In addition; This heat exchanger 30 is further regulated the intensification degree by a controller 31; And this controller 31 is the intensification degree of regulating this heat exchanger 30 according to the temperature and the relative humidity (or dew-point temperature) of waste gas to be clean; Make the waste gas to be clean that imports this activated carbon adsorption desorption device 10, its relative humidity is maintained below 60%RH.
Once more, see also shown in Figure 4ly, the second embodiment of the present invention is to set up a washer 40 than first embodiment, and this washer 40 is arranged at the upstream extremity of this heat exchanger 30, in order to the particulate filtering in the off-gas flows is clean; Yet, if further being set, a cooler 41 let washings cool off, this washer 40 can reduce the dew-point temperature of off-gas flows in addition, and then produces the effect of dehumidifying; Therefore; Because this heat exchanger 30 must consume heat energy; And this cooler 41 must distribute heat energy, so utilize a heat pump 50 to link this heat exchanger 30 and this cooler 41, lets this heat exchanger 30 and this cooler 41 carry out heat exchange with the condenser and the evaporimeter of this heat pump 50 respectively; 41 thermal power transfer that must distribute of this cooler are become 30 heat energy that must consume of this heat exchanger, so energy-conservation; And the operating condition of this heat pump 50 and composition structure are prior art, and non-technical characterictic of the present invention repeats no more.
Based on said structure; The present invention is directed to processing procedure and produce the waste gas to be clean that contains organic solvent; Borrow this washer 40 that the particulate filtering in the off-gas flows is clean earlier, and if use the frozen water washing then can dehumidify in advance, again by these heat exchanger 30 appropriate heating (being no more than 45 ℃ usually); Its relative humidity is maintained below 60%RH; Let this activated carbon adsorption desorption device 10 in the preferable environment of activated carbon adsorption desorption ability, carry out the absorption program, can not receive weather influence and cause that to purify effect unstable, and reduce the possibility that particulate stops up the activated carbon hole; Be to have with, the present invention that the effect of purification is stable not influenced by weather and prolong the activated carbon effect in service life.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
In sum; The present invention is on structural design, use practicality and cost benefit; It is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, has novelty, creativeness, practicality; The regulation that meets relevant patent of invention important document is so mention application in accordance with the law.
Claims (8)
1. Purifying Device for Organic Solvent; It is characterized in that; Be processing procedure to be produced the waste gas to be clean that contains organic solvent import an activated carbon adsorption desorption device; And one purifier is set in the downstream of this activated carbon adsorption desorption device, in the upstream extremity of this activated carbon adsorption desorption device one heat exchanger in order to heat up is set in addition.
2. Purifying Device for Organic Solvent according to claim 1 is characterized in that, further the upstream extremity in said heat exchanger is provided with a washer.
3. Purifying Device for Organic Solvent according to claim 2 is characterized in that, a cooler further is set lets the washings of said washer cool off.
4. Purifying Device for Organic Solvent according to claim 3; It is characterized in that; One heat pump further is set links said heat exchanger and said cooler, let said heat exchanger and said cooler carry out heat exchange with the condenser and the evaporimeter of this heat pump respectively.
5. according to each described Purifying Device for Organic Solvent in the claim 1 to 4; It is characterized in that; Said heat exchanger is further regulated the intensification degree by a controller, and this controller is the intensification degree of regulating said heat exchanger according to the temperature of waste gas to be clean and relative humidity or dew-point temperature.
6. Purifying Device for Organic Solvent according to claim 5 is characterized in that, said heat exchanger causes the relative humidity of the waste gas to be clean that imports said activated carbon adsorption desorption device to maintain below the 60%RH.
7. Purifying Device for Organic Solvent according to claim 6 is characterized in that, said activated carbon adsorption desorption device is activated carbon fluidisation formula inspissator or fixed-bed type inspissator.
8. Purifying Device for Organic Solvent according to claim 7 is characterized in that, said purifier is that incinerator, condenser, spray chamber or spraying add ozone chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105324831A CN102462973A (en) | 2010-11-05 | 2010-11-05 | Organic solvent purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105324831A CN102462973A (en) | 2010-11-05 | 2010-11-05 | Organic solvent purifying device |
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| Publication Number | Publication Date |
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| CN102462973A true CN102462973A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105324831A Pending CN102462973A (en) | 2010-11-05 | 2010-11-05 | Organic solvent purifying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908845A (en) * | 2012-12-31 | 2014-07-09 | 杰智环境科技股份有限公司 | Solvent purifying apparatus capable of preprocessing cement |
Citations (8)
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| TW402517B (en) * | 1997-11-18 | 2000-08-21 | Desiccant Technology Corp | Energy-saving volatil organic gas (VOC) purification system |
| CN2438073Y (en) * | 2000-05-22 | 2001-07-04 | 周亢威 | High-energy-saving dryer |
| CN101073740A (en) * | 2006-05-19 | 2007-11-21 | 中国石油化工股份有限公司 | Method for purifying organic waste gas |
| CN101607176A (en) * | 2008-06-20 | 2009-12-23 | 未来Net株式会社 | System for wet purification of high-temperature gases |
| CN101703869A (en) * | 2009-10-28 | 2010-05-12 | 马军 | New method and device for recovering organic solvent from waste gas |
| CN101708426A (en) * | 2009-12-04 | 2010-05-19 | 广东省微生物研究所 | Biologic filtration method and device for purifying industrial organic waste gas |
| CN201537439U (en) * | 2009-11-20 | 2010-08-04 | 亚光耐普罗精密注塑（天津）有限公司 | Highly efficient purification apparatus for sprayed waste gas |
| CN201959700U (en) * | 2010-11-05 | 2011-09-07 | 承源環境科技企業有限公司 | Device for purifying organic solvent |
-
2010
- 2010-11-05 CN CN2010105324831A patent/CN102462973A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW402517B (en) * | 1997-11-18 | 2000-08-21 | Desiccant Technology Corp | Energy-saving volatil organic gas (VOC) purification system |
| CN2438073Y (en) * | 2000-05-22 | 2001-07-04 | 周亢威 | High-energy-saving dryer |
| CN101073740A (en) * | 2006-05-19 | 2007-11-21 | 中国石油化工股份有限公司 | Method for purifying organic waste gas |
| CN101607176A (en) * | 2008-06-20 | 2009-12-23 | 未来Net株式会社 | System for wet purification of high-temperature gases |
| CN101703869A (en) * | 2009-10-28 | 2010-05-12 | 马军 | New method and device for recovering organic solvent from waste gas |
| CN201537439U (en) * | 2009-11-20 | 2010-08-04 | 亚光耐普罗精密注塑（天津）有限公司 | Highly efficient purification apparatus for sprayed waste gas |
| CN101708426A (en) * | 2009-12-04 | 2010-05-19 | 广东省微生物研究所 | Biologic filtration method and device for purifying industrial organic waste gas |
| CN201959700U (en) * | 2010-11-05 | 2011-09-07 | 承源環境科技企業有限公司 | Device for purifying organic solvent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908845A (en) * | 2012-12-31 | 2014-07-09 | 杰智环境科技股份有限公司 | Solvent purifying apparatus capable of preprocessing cement |
| CN103908845B (en) * | 2012-12-31 | 2016-03-02 | 杰智环境科技股份有限公司 | The solvent purification apparatus of gum deposit can be anticipated |
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Application publication date: 20120523 |