CN103028307A - Exhaust gas processing system - Google Patents
Exhaust gas processing system Download PDFInfo
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- CN103028307A CN103028307A CN2012103625301A CN201210362530A CN103028307A CN 103028307 A CN103028307 A CN 103028307A CN 2012103625301 A CN2012103625301 A CN 2012103625301A CN 201210362530 A CN201210362530 A CN 201210362530A CN 103028307 A CN103028307 A CN 103028307A
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Abstract
The invention provides an exhaust gas processing system which can reduce the integral maintenance and management cost or time and labor of an exhaust gas absorbing device and a gas removing unit. The exhaust gas processing system (200) is provided with the exhaust gas absorbing device (100) which can be freely detached and is provided with an absorption tower (1) containing active carbon (2) therein to absorb the gas of organic solution, the gas removing unit (20) which removes the gas of the organic solution from the absorption tower (1) detached from the exhaust gas absorbing device (100), and a drying unit (40) which is provided with the absorption tower (1)and dries the active carbon (2) in the absorption tower (1). The exhaust gas absorbing device (100) and the gas removing unit (20) are mutually separated and have no connection.
Description
Technical field
The present invention relates to process the VOC(volatile organic matter such as harmful toluene, dimethylbenzene etc., Volatile Organic Compound) exhaust-gas treatment system of gas.
Background technology
For example in the paint booth of furniture factory, because with an organic solvent discharging VOC gas.Because this VOC gas is harmful, therefore should guarantee to make it not to factory's external leakage.So, develop the exhaust adsorbent equipment (with reference to patent documentation 1) that possesses the adsorption tower of absorption VOC gas at the interior active carbon of establishing;
In relevant adsorption tower, when active carbon reaches the saturation state of VOC gas, can not effectively adsorb VOC gas, and cause VOC gas to leak to the outside.For this reason, the gas removal unit of removing the VOC gas be adsorbed onto active carbon is connected on this exhaust adsorbent equipment.This gas removal unit possesses by importing steam and is adsorbed on the cooling device of the VOC gas vaporization device of the VOC gas on the active carbon, VOC gas that liquefaction has been gasified and separates the VOC gas that liquefied and the separator of water by proportion with gasification.The VOC gas that has liquefied that will reclaim by this separator, be that toluene, dimethylbenzene etc. utilize as organic solvent again.Adsorption tower is disassembled from the exhaust adsorbent equipment when removing VOC gas from active carbon, removes the unit and be transferred to gas.The adsorption tower of removing VOC gas is installed on the exhaust adsorbent equipment again.
The prior art document:
Patent documentation 1: practical new No. 3027185 communique of case of Japan's registration.
Summary of the invention
In structure in the past, owing in the place identical with paint booth, the exhaust adsorbent equipment being set and gas is removed processing unit, therefore the structure that comprises the integral body of device and unit become maximizations and cost or time and the labour of the increase whole device of maintenance management and unit;
The object of the present invention is to provide and to suppress the whole exhaust adsorbent equipment of maintenance management and gas is removed the cost of processing unit or time and labour's exhaust-gas treatment system.
Exhaust-gas treatment system of the present invention possesses: loading and unloading possess freely with the exhaust adsorbent equipment of the adsorption tower of the gas of the charcoal absorption organic solvent that holds of inside, the gas of removing the gas of organic solvent from the adsorption tower that this exhaust adsorbent equipment is dismantled removes the unit and the drying unit of the active carbon in this adsorption tower and the drying adsorption tower is installed; It is configuration that described exhaust adsorbent equipment and described gas are removed the unit with being separated from each other, is in the relation that does not have connection.
According to the present invention be configuration because exhaust adsorbent equipment and described gas are removed the unit with being separated from each other, not connection, so exhaust adsorbent equipment and described gas remove the unit be can be arranged on different places, specifically in different places.By means of this, can prevent from comprising the situation that the integral body of device and unit becomes and maximizes, can suppress cost or time and the labour of the whole device of maintenance management and unit.
Description of drawings
Fig. 1 illustrates the integrally-built figure that gas is removed the unit;
Fig. 2 is the integrally-built figure that the exhaust adsorbent equipment is shown;
Fig. 3 is the figure that the structure of drying unit is shown;
Symbol description:
1 adsorption tower;
2 active carbons;
3 absorption type air blasts;
20 gases are removed the unit;
23 condensers;
24 first separators;
25 second separators;
40 drying units;
100 exhaust adsorbent equipments;
200 exhaust-gas treatment systems.
The specific embodiment
Below, with reference to a description of drawings example of the present invention.Exhaust-gas treatment system 200 according to the present invention possesses: the gas of possess removably the exhaust adsorbent equipment 100 of the adsorption tower 1 that utilizes the gas that is contained in inner charcoal absorption organic solvent, the adsorption tower 1 of dismounting from this exhaust adsorbent equipment 100 being removed the gas of organic solvent is removed unit 20 and the drying unit 40 of the active carbon in this adsorption tower and the drying adsorption tower is installed.Exhaust adsorbent equipment 100 is arranged at the paint booth of furniture factory, and on the other hand, gas is removed unit 20 and drying unit 40 and is arranged at regeneration processing center away from this paint booth.It is only to separate with suitable distance with the vehicle conveying adsorption tower 1 by truck etc. the time that exhaust adsorbent equipment 100 and gas are removed unit 20, and does not mutually connect;
Fig. 1 illustrates according to the gas of this example to remove unit 20.Remove the adsorption tower 1 that the active carbon 2 of absorption VOC gas is established in unit 20 loading and unloading in being equipped with freely at this gas;
As shown in Figure 1, gas is removed unit 20 and is possessed steam raising plant 22 to the VOC gas of adsorption tower 1 interior delivering vapor and gasification reactivity charcoal 2 absorption, cooling from the exhaust of adsorption tower 1, separates the VOC gas that liquefied by this condenser 23 and the first separator 24 of steam condensate (SC) with proportion as the condenser 23 of the cooling device of liquefaction VOC gas and steam.
The steam condensate (SC) that separates by the first separator 24 is delivered in the discharge opeing case 26, and the VOC gas of liquefaction is delivered in the second separator 25.By the second separator 25, steam condensate (SC) further separates from the VOC gas of liquefaction, and this steam condensate (SC) is delivered in the discharge opeing case 26.The VOC gas of removing the liquefaction of steam condensate (SC) is delivered in the solvent tank 27.The steam condensate (SC) that is housed in the discharge opeing case 26 is delivered to aeration tank 29 by first row water pump 28, thereby the concentration of the VOC gas in the steam condensate (SC) is treated to below a reference value, and via discharge casing 30 draining from second row water pump 31.
The VOC gas of the liquefaction of discharging from the second separator 25 is, remove that the Trace water of sneaking into divides and acid by solvent tank 27, and after filtering by filter (not shown), add stabilizing agents by reclaiming solvent pump 33, after the performance of raising as organic solvent, be housed in the cylinder.
In addition, can not be to guide in the adsorption tower for subsequent use 32 that is independent of adsorption tower 1 via discharge opeing case 26 with the VOC gas of condenser 23 condensations.By these adsorption tower 32 absorption VOC gases for subsequent use.The VOC gas of removing by aeration tank 29 also guides to adsorption tower 32 for subsequent use and is adsorbed;
This adsorption tower 32 for subsequent use is with adsorption tower 1 exchange and removes unit 20 by gas and remove VOC gas.The adsorption tower for subsequent use 32 of removing VOC gas is to use in the same manner with adsorption tower 1.
Fig. 2 is the integrally-built figure that illustrates according to the exhaust adsorbent equipment 100 of this example.As mentioned before, exhaust adsorbent equipment 100 is configured in the paint booth, and described adsorption tower 1 loading and unloading are mounted thereto freely.The processing gas that contains VOC gas is sent in this adsorption tower 1 by absorption air blast 3.This processing gas is absorbed by active carbon 2;
Be provided with the gas sensor 4 that detection of active charcoal 2 absorbs the situation of the gas concentration more than the prescribed levels at the exhaust side of adsorption tower 1, the detection signal by this gas sensor 4 gives the alarm take bulletin adsorption tower 1 as replacing period to the user.
Fig. 3 is the figure that the structure of drying unit 40 is shown.Another uses the active carbon 2 in the adsorption tower 1A that finishes, namely removes VOC gas by these drying unit 40 dryings.Owing in order to remove VOC gas from active carbon 2, and importing as mentioned before steam, the active carbon 2 of therefore removing VOC gas comprises moisture.For effective VOC gas that absorbs, and need dry this active carbon 2, therefore pass through drying unit 40 dry activated carbons 2.This adsorption tower 1A is as described later, to exchange with described adsorption tower 1 after active carbon 2 is dried.The structure of two adsorption towers 1,1A is identical.
The discharge casing 36 that is connected with described aeration tank 29 by pump 34 when drying unit 40 possesses the drying air fan 35 that is connected with adsorption tower 1A with the moisture be connected from adsorption tower 1A.The moisture of the active carbon 2 in the adsorption tower 1A is supplied with warm air by drying air fan 35 and is dried, and this moisture is delivered to gas shown in Figure 1 via discharge casing 36 usefulness pumps 34 and removes in the aeration tank 29 of unit 20.Be treated to below the benchmark concentration with the concentration of this aeration tank 29 with VOC gas, and discharge from second row water pump 31 via described discharge casing 30.In addition, drying air fan 35 also can be supplied to cold wind the active carbon 2 in the adsorption tower 1A.
In above-mentioned example, the adsorption tower 1A that use to finish removes dismounting the unit 20 from this gas after removing unit 20 and remove VOC gas by gas, and with drying unit 40 its inner active carbons 2 of drying.By means of this, the active carbon 2 that absorbs VOC gas is dry soon with drying unit 40, therefore shortens and removes VOC gas to the dry time from active carbon 2.That is, because therefore the adsorption tower 1A that regenerates immediately can improve the efficient of operation with an organic solvent;
Can prepare immediately the dry adsorption tower 1A of active carbon 2 by this drying unit 40 again.Therefore, when the active carbon 2 in the adsorption tower 1 with the VOC GAS ABSORPTION during to saturation state, with relevant adsorption tower 1 and dry adsorption tower 1A exchange, can proceed the adsorption operation of VOC gas with this.Again, use after the adsorption tower 1, can promptly use another adsorption tower 1A, therefore can realize the Labor-saving of the maintenance management of adsorption tower.Again, use after the adsorption tower 1, can promptly use next adsorption tower 1A, therefore improve with an organic solvent operation, for example coating efficiency.In addition, the quantity of adsorption tower 1,1A is not limited to two, also can be more than three.
(pump-down process action):
The pump-down process action of this example is described;
As shown in Figure 2, the VOC gas of discharging from the paint booth of furniture factory is to be attracted to adsorption tower 1 by absorption air blast 3 in exhaust adsorbent equipment 100, by active carbon 2 absorption in the adsorption tower 1.When the adsorption concentration of the VOC gas by active carbon 2 reaches capacity state and the adsorption effect of VOC gas when reducing, the alarm of sending the content that should change adsorption tower 1 by described gas sensor 4.Determined the period of answering exchange adsorption tower 1 by this alarm user.The user dismantles adsorption tower 1 from exhaust adsorbent equipment 100, exchange with adsorption tower 1A.Adsorption tower 1A is by drying unit 40 dry activated carbon 2.In addition, when using adsorption tower 32 for subsequent use, also can replace adsorption tower 1A to exchange adsorption tower 32 for subsequent use and adsorption tower 1.
The adsorption tower 1 of dismounting is from exhaust adsorbent equipment 100, removes in the unit 20 by vehicles drive to the gas in the regeneration processing center shown in Figure 1 of truck etc.;
Remove unit 20 at this gas and install when having adsorbed the adsorption tower 1 of VOC gas, 1 sends into steam from steam generation device 22 to adsorption tower, makes the VOC gas vaporization that is adsorbed on the active carbon 2.The exhaust from adsorption tower 1 that has mixed VOC gas and steam is supplied to condenser 23, and VOC gas and steam liquefied.VOC gas and the steam of liquefaction are to be delivered in the first separator 24, the second separator 25, and the VOC gas storage of liquefaction is in solvent tank 27, and water is housed in the discharge opeing case 26.Water in the discharge opeing case 26 is treated to below a reference value by the concentration of aeration tank 29 with VOC gas, and is discharged from.
Then, adsorption tower 1 is removed dismounting the unit 20 from gas, is delivered in the drying unit shown in Figure 3 40.The adsorption tower 1 that uses end is installed at drying unit 40.The adsorption tower 1 that use finishes and the situation of adsorption tower 1A in the same manner active carbon 2 are dried.The adsorption tower 1 that this active carbon 2 is dried is again to be installed on the exhaust gas treatment device 100.Like this, the active carbon 2 of absorption VOC gas is dry soon by drying unit 40, therefore shortens and removes VOC gas to the dry time from active carbon 2.That is, because therefore the adsorption tower 1 of regenerating immediately can improve the efficient of operation with an organic solvent;
Again, because it is to be separated from each other that exhaust adsorbent equipment 100 and gas are removed unit 20, do not connect, therefore exhaust adsorbent equipment 100 and gas are removed unit 20 can be arranged on different places, specifically exhaust adsorbent equipment 100 is arranged in the paint booth, gas is removed unit 20 be arranged on regeneration processing center away from paint booth.By means of this, can prevent from comprising exhaust adsorbent equipment 100 and gas and remove the maximization that becomes of the integral body of unit 20, can suppress maintenance management cost or time and labour that exhaust adsorbent equipment 100 and gas are removed the integral body of unit 20.
Above, although describe an example of the present invention in detail, the present invention is not limited to described example, can carry out various changes in the scope of purport of the present invention;
For example, paint booth is not limited to furniture factory, also can be the paint booth of footwear factory, toy factory, printery etc.
Industrial applicability:
The present invention is useful in being applied to process the exhaust-gas treatment system of VOC gas the time.
Claims (4)
1. exhaust-gas treatment system, it is characterized in that possessing: loading and unloading possess freely with the exhaust adsorbent equipment of the adsorption tower of the gas of the charcoal absorption organic solvent that holds of inside, remove the drying unit that the gas of the gas of organic solvent is removed the unit and the active carbon in this adsorption tower and the drying adsorption tower is installed from the adsorption towers that this exhaust adsorbent equipment is dismantled;
Wherein, it is configuration that described exhaust adsorbent equipment and described gas are removed the unit with being separated from each other, is in the relation that does not have connection.
2. exhaust-gas treatment system according to claim 1 is characterized in that, the gas of described organic solvent is VOC gas.
3. exhaust-gas treatment system according to claim 1 and 2, it is characterized in that, described gas is removed the unit and is possessed to described adsorption tower and send into the cooling device of the air in the adsorption tower that steam is adsorbed on the gas of the organic solvent on the described active carbon with gasification steam generation device, cooling carry by this steam generation device and the gas of the organic solvent by this cooling device liquefaction is carried out the separator that proportion separates with steam condensate (SC).
4. each described exhaust-gas treatment system in 3 according to claim 1 is characterized in that, described drying unit air-supply and dry activated carbon in the described adsorption tower.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-212800 | 2011-09-28 | ||
| JP2011212800A JP2013071072A (en) | 2011-09-28 | 2011-09-28 | Exhaust gas treating apparatus for organic solvent gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103028307A true CN103028307A (en) | 2013-04-10 |
Family
ID=48016007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103625301A Pending CN103028307A (en) | 2011-09-28 | 2012-09-26 | Exhaust gas processing system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013071072A (en) |
| CN (1) | CN103028307A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323570A (en) * | 2013-07-18 | 2013-09-25 | 云南玉溪水松纸厂 | Mobile activated carbon absorber |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324709B (en) * | 2014-10-22 | 2016-08-31 | 胡宗伟 | The renovation process of VOC absorption activated carbon and special activating agent |
| JP7050371B1 (en) * | 2021-04-28 | 2022-04-08 | ＳｙｎｃＭＯＦ株式会社 | Gas treatment system, gas treatment method and control device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002078819A1 (en) * | 2001-03-29 | 2002-10-10 | Celanese Acetate Llc | Recovery of volatile organic compounds from carbon adsorber beds |
| CN101024139A (en) * | 2006-12-31 | 2007-08-29 | 武汉旭日华科技发展有限公司 | Method and apparatus for absorbing and recovering volatile gas by active charcoal fiber |
| CN101091861A (en) * | 2007-04-06 | 2007-12-26 | 刘向建 | Method for recovering volatile organic compound by using adsorbent bed of active carbon |
| CN201500502U (en) * | 2009-09-08 | 2010-06-09 | 大拇指环保科技集团(福建)有限公司 | High-efficiency organic waste gas absorbing and recycling device |
-
2011
- 2011-09-28 JP JP2011212800A patent/JP2013071072A/en not_active Withdrawn
-
2012
- 2012-09-26 CN CN2012103625301A patent/CN103028307A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002078819A1 (en) * | 2001-03-29 | 2002-10-10 | Celanese Acetate Llc | Recovery of volatile organic compounds from carbon adsorber beds |
| CN101024139A (en) * | 2006-12-31 | 2007-08-29 | 武汉旭日华科技发展有限公司 | Method and apparatus for absorbing and recovering volatile gas by active charcoal fiber |
| CN101091861A (en) * | 2007-04-06 | 2007-12-26 | 刘向建 | Method for recovering volatile organic compound by using adsorbent bed of active carbon |
| CN201500502U (en) * | 2009-09-08 | 2010-06-09 | 大拇指环保科技集团(福建)有限公司 | High-efficiency organic waste gas absorbing and recycling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323570A (en) * | 2013-07-18 | 2013-09-25 | 云南玉溪水松纸厂 | Mobile activated carbon absorber |
| CN103323570B (en) * | 2013-07-18 | 2015-01-14 | 云南玉溪水松纸厂 | Mobile activated carbon absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013071072A (en) | 2013-04-22 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130410 |