CN102512908B - Apparatus for recovering ethanol in organic exhaust gas from tipping paper printing - Google Patents
Apparatus for recovering ethanol in organic exhaust gas from tipping paper printing Download PDFInfo
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- CN102512908B CN102512908B CN 201110434699 CN201110434699A CN102512908B CN 102512908 B CN102512908 B CN 102512908B CN 201110434699 CN201110434699 CN 201110434699 CN 201110434699 A CN201110434699 A CN 201110434699A CN 102512908 B CN102512908 B CN 102512908B
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Abstract
The invention discloses an apparatus for recovering ethanol in organic exhaust gas from tipping paper printing. In production technology of printing industry, usage of a great amount of organic solvent causes indoor air pollution. The apparatus of the invention comprises a filter (2), a blower fan (3), a secondary surface cooler (4), an absorber assembly (5), a desorption device condenser (8), a gas-liquid separation device (10), a liquid storage tank (11) and a rectifying tower (12). An 80-mesh primary sieve (17) is arranged on one side of an air intake of the filter (2) casing; a 120-mesh secondary sieve (18) is arranged on one side of an air outlet; and the absorber assembly (5) comprises three horizontal absorbers (6) in parallel connection. If employed, the apparatus for treating printing exhaust gas of the invention not only improves pollution caused by direct discharge but also effectively recovers ethanol in the printing exhaust gas, at low cost and low energy consumption.
Description
Technical field
The present invention relates to the cleaning of organic exhaust gas, be specially the device of cleaning and recovery organic exhaust gas.
Background technology
In the production technology of cork paper printing, to use a large amount of organic solvents, these organic solvents are all volatilizations in the process of drying and forming-film, cause room air dirty, affect the healthy of direct labor, behind the indoor location exhaust fan, although can get rid of indoor exhaust air, but, discharging after waste gas mixes with air, can cause serious pollution to air, and these organic solvents can not reuse, and printing enterprise will drop into a large amount of funds and buy these organic solvents, bring heavy financial burden to enterprise, also caused the huge waste of resource simultaneously.
At present, to the recycling of organic solvent, absorption process, condensation method and absorption method are arranged generally, absorption process essence is to transfer gaseous contaminant to liquid state, the later separation difficulty.Condensation method is in the situation that the higher usage comparison economical rationality of organic solvent content, and when solvent strength was rarer, subsequent recovery is relative difficulty just.Also have some enterprises to adopt absorption methods, be to printing waste gas collect, cool off, filtration, adsorption and desorption, condensation, gas-liquid separation obtain entering rectifying column rectifying behind the organic solvent semi-finished product again, obtain can commercial Application organic solvent.Application number is that 200910143780.4 Chinese invention patent discloses a kind of " recovery contains the method and apparatus of water-soluble organic compounds waste gas ", to cooling off behind the gas sampling, filter through NACF Bag filter and column-shaped active carbon filter again, cooling, active carbon or carbon fiber adsorption and catalytic combustion, steam desorption, condensation, gas-liquid separation gets semi-finished product, advances rectifying column rectifying again and gets available ethanol.Owing to will adopt simultaneously two kinds of filters, link is too much and cloth envelop collector is relatively large to the resistance of gas, causes air-flow not smooth, filters NACF cloth bag and the active carbon of usefulness and changes inconvenience, and replacement cost is high.And it is lower that said apparatus reclaims the ethanol semi-finished product relative concentration that obtains, and strengthened the difficulty of follow-up rectifying.
And for example application number is that the Chinese invention patent of CN200710032540.8 discloses a kind of " method and the device of organic solvent reclaimed in absorption from printing industry waste gas ", the method and the device that relate to absorption recovery organic solvent from printing industry waste gas, one of absorber of this device is connected with absorber and two is connected with cooler with pipeline by valve respectively, make press waste gas enter absorber, one of absorber is connected with absorber and two also is connected with one of condenser with pipeline by valve, one of condenser is connected with one of decanter, one of decanter joins with one of storage tank, one of storage tank is connected with extraction tower by three of valve and pipeline and absorber respectively, and extraction tower also is connected with decanter with three of absorber respectively and is connected.This device comprises adsorption and desorption, separation and water treatment portion, the organic exhaust gas that contains toluene, acetone, isopropyl alcohol adsorbs by active carbon adsorber, after charcoal absorption is saturated, be aided with steam and carry out the desorption desorb, the mixed liquor that desorbs carries out water-oil separating in decanter.This invention adopts spark arrester to process through needing after the general filtration, and absorber is vertical structure, and the adsorption area of absorbent core is limited.
Summary of the invention
For overcoming the deficiency of above-mentioned background technology, the invention provides a kind of organic efficiency high, simple to operate, the device of ethanol in the recovery printing waste gas that consumes energy few, using this device recycles the waste gas that the cork paper printing produces, but the organic solvent ethanol in the effective recycling waste gas has reduced production cost, has solved the problem of pollution from exhaust emission environment.
The present invention is achieved through the following technical solutions: a kind of device that reclaims ethanol in the cork paper printing waste gas comprises the filter 2 that connects successively, blower fan 3, secondary table cooler 4, absorbent element 5, desorption device condenser 8, gas-liquid separator 10, fluid reservoir 11 and rectifying column 12.
The gas sampling room 1 that is installed on the printing machine is continuous by the air inlet of pipe-and-filter 2, on the escape pipe of filter 2 flow control valve is installed, the two ends of described filter 2 are fan housing 15 and rear air cover 16 before the infundibulate, connected by the rectangle two logical casings in the middle of being positioned at, a side of air inlet is equipped with the primary screen 17 of 80 eye mesh screens in the casing; A side of gas outlet is equipped with the secondary sieve 18 of 120 eye mesh screens in the casing; Leave certain distance in the middle of the double-filtration sieve, and be provided with hermatic door 20 at the corresponding rectangular box sidewall of this distance.During work, waste gas enters front fan housing 15 through air inlet pipe, and the primary screen 17 in rectangular box carries out primary filter, is trapped greater than the impurity in filter screen slit, and less 18 pairs of waste gas of secondary sieve further filter and hold back less impurity through the slit again.
Gas outlet on filter 2 rear air covers 16 is connected with secondary table cooler 4 by blower fan 3, and secondary table cooler 4 links to each other with absorbent element 5, and absorbent element 5 is three horizontal absorbers 6 that are connected in parallel.
Described horizontal absorber 6 comprise whole for the absorption tank body 21 of cylinder type, be arranged at the absorbent core 22 that is formed by activated carbon granule of adsorbing tank body 21 interior middle and lower parts, steam pipe 25 above the absorbent core 22, be positioned at the exhaust inlet pipe 23 of absorption tank body 21 1 ends, also comprise the blast pipe 26 that is positioned at absorption tank body 21 tops, the solution collecting pipe 27 of bottom, on the described exhaust inlet pipe 23 gaseous diffuser is installed, described steam pipe 25 be U-shaped and its on all establish a plurality of steam fumaroles 28; The end cap 29 of absorption tank body 21 1 ends and tank body are originally as flexible connection; end cap 29 is respectively arranged with sealant with the tank body junction; end cap can be along the fixed axis Unscrew that is arranged on a side; described absorbent core 22 is arranged in the tank body by sliding rail and clamping close device, when needs are changed absorbent core 22, only needs to open end cap 29 under stopped status; absorbent core 22 is pulled away from clamping close device; pull out along sliding rail, change new absorbent core 22 and get final product, can realize the fast and easy replacing.
Vaporium 7 also adopts parallel way to be connected with three horizontal absorbers 6, is equipped with valve at exhaust inlet pipe 23 and the steam inlet pipeline of each horizontal absorber 6, and adopts PLC to control that it is opened, the shut-in time.
The leakage fluid dram of above each absorber communicates with an end of desorption device condenser 8, desorption device condenser 8 communicates with gas-liquid separator 9, gas-liquid separator adopts three-port structure, flue after the separation leads to vaporium 7, liquid line communicates with underground storage 10,10 of fluid reservoirs communicate with rectifying column 11, are condenser 12 and the separator 13 that is communicated with successively afterwards.
Preferably, on the gaseous diffuser in the described horizontal absorber 6 the gas high speed nozzle is installed.
End by rear air cover 16 behind the secondary screen cloth 18 in filter 2 casings is provided with primary condenser 19.
Beneficial effect:1. adopt device of the present invention to process cork paper printing waste gas, not only improved the pollution that direct discharging causes, and under the condition of low cost, low energy consumption, effectively reclaimed the ethanol in the waste gas.
2. owing to adopting the absorber of three groups of charcoal absorption core traverses in parallel that waste gas is carried out adsorption treatment, recycle water vapour U-shaped and that establish the steam pipe ejection of a plurality of tap holes saturated active carbon is carried out desorption, make the desorption rate of active carbon each several part consistent, shorten desorption time, reduce steam consumption, reduced use cost.
3. adopted the absorber with gaseous diffuser, the speed of waste gas that enters the charcoal absorption core is more even, and total effective adsorption capacity of whole charcoal absorption core is improved.
4. one of absorber has avoided active carbon poor at the adsorption effect in high temperature adsorption stage to the active carbon processing of regenerating, the problem that the pollutant levels in the exhaust exceed standard, and technique is simple, and is easy to operate, and organic efficiency is high.
5. through twice condensation, increased organic efficiency before behind waste gas filtering, adsorbing.
6. filter is comprised of two-stage sieve and condenser, has replaced Bag filter and activated carbon granule Rose Box, and can directly cool off waste gas in this filter afterwards in filtration, reduced the cost that several complete equipments are installed, but screen pack is changed every day, guarantees that air-flow is unimpeded, and efficient is expensive low.
Description of drawings
Fig. 1 is apparatus of the present invention structural representation.
Fig. 2 is apparatus of the present invention filter stereochemical structure decomposing schematic representation.
Fig. 3 is apparatus of the present invention filter perspective view.
Fig. 4 is the horizontal absorber stereochemical structure of apparatus of the present invention decomposing schematic representation.
Fig. 5 is the horizontal absorber perspective view of apparatus of the present invention.
Among the figure, gas sampling room 1, filter 2, blower fan 3, secondary table cooler 4, absorbent element 5, horizontal absorber 6, vaporium 7, desorption device condenser 8, gas-liquid separator 9, fluid reservoir 10, rectifying column 11, condenser 12, separator 13, front fan housing 15, rear air cover 16, primary screen 17, secondary sieve 18, primary condenser 19, hermatic door 20, absorption tank body 21, absorbent core 22, exhaust inlet pipe 23, steam pipe 25, blast pipe 26, solution collecting pipe 27, steam fumarole 28; End cap 29.
Specific embodiment
Embodiment 1:A kind of device that reclaims ethanol in the cork paper printing waste gas comprises the filter 2, blower fan 3, secondary table cooler 4, absorbent element 5, desorption device condenser 8, gas-liquid separator 10, fluid reservoir 11 and the rectifying column 12 that connect successively.The gas sampling room 1 that is installed on the printing machine is continuous by the air inlet of pipe-and-filter 2, on the escape pipe of filter 2 flow control valve is installed, the two ends of described filter 2 are fan housing 15 and rear air cover 16 before the infundibulate, connected by the rectangle two logical casings in the middle of being positioned at, a side of air inlet is equipped with the primary screen 17 of 80 eye mesh screens in the casing; A side of gas outlet is equipped with the secondary sieve 18 of 120 eye mesh screens in the casing; Leave certain distance in the middle of the double-filtration sieve, and be provided with hermatic door 20 at the corresponding rectangular box sidewall of this distance.
Gas outlet on filter 2 rear air covers 16 is connected with secondary table cooler 4 by blower fan 3, and secondary table cooler 4 links to each other with absorbent element 5, and absorbent element 5 is three horizontal absorbers 6 that are connected in parallel.
Vaporium 7 also adopts parallel way to be connected with three horizontal absorbers 6, is equipped with valve at exhaust inlet pipe 23 and the steam inlet pipeline of each horizontal absorber 6, and adopts PLC to control that it is opened, the shut-in time.
The leakage fluid dram of above each absorber communicates with an end of desorption device condenser 8, desorption device condenser 8 communicates with gas-liquid separator 9, gas-liquid separator adopts three-port structure, flue after the separation leads to vaporium 7, liquid line communicates with underground storage 10,10 of fluid reservoirs communicate with rectifying column 11, are condenser 12 and the separator 13 that is communicated with successively afterwards.
Embodiment 2:A kind of device that reclaims ethanol in the cork paper printing waste gas, difference from Example 1 is, adopt the horizontal absorber of following structure: horizontal absorber 6 comprises the whole absorption tank body 21 of cylinder type that is, be arranged at the absorbent core 22 that is formed by activated carbon granule of absorption tank body 21 interior middle and lower parts, steam pipe 25 above the absorbent core 22, be positioned at the exhaust inlet pipe 23 of absorption tank body 21 1 ends, also comprise the blast pipe 26 that is positioned at absorption tank body 21 tops, the solution collecting pipe 27 of bottom, on the described exhaust inlet pipe 23 gaseous diffuser is installed, and at gaseous diffuser the gas high speed nozzle is installed, described steam pipe 25 be U-shaped and its on all establish a plurality of steam fumaroles 28; The end cap 29 of absorption tank body 21 1 ends and tank body are originally as flexible connection; end cap 29 is respectively arranged with sealant with the tank body junction; end cap can be along the fixed axis Unscrew that is arranged on a side; described absorbent core 22 is arranged in the tank body by sliding rail and clamping close device; when needs are changed absorbent core 22, only need under stopped status, to open end cap 29, absorbent core 22 is pulled away from clamping close device; pull out along sliding rail, change new absorbent core 22 and get final product.
Embodiment 3:A kind of device that reclaims ethanol in the cork paper printing waste gas, difference from Example 2 is: the end by rear air cover 16 behind the secondary screen cloth 18 in filter 2 casings is provided with primary condenser 19.
Claims (5)
1. one kind is reclaimed the device that cork paper prints ethanol in the waste gas, comprise the filter (2) that connects successively, blower fan (3), secondary table cooler (4), absorbent element (5), desorption device condenser (8), gas-liquid separator (9), fluid reservoir (10) and rectifying column (11), it is characterized in that: the gas sampling room (1) that is installed on the printing machine is continuous by the air inlet of pipe-and-filter (2), on the escape pipe of filter (2) flow control valve is installed, the two ends of described filter (2) are fan housing (15) and rear air cover (16) before the infundibulate, connected by the rectangle two logical casings in the middle of being positioned at, a side of air inlet is equipped with the primary screen (17) of 80 eye mesh screens in the casing; A side of gas outlet is equipped with the secondary sieve (18) of 120 eye mesh screens in the casing; Leave certain distance in the middle of the double-filtration sieve, and be provided with hermatic door (20) at the corresponding rectangular box sidewall of this distance;
Gas outlet on filter (2) rear air cover (16) is connected with secondary table cooler (4) by blower fan (3), and secondary table cooler (4) links to each other with absorbent element (5), and absorbent element (5) is three horizontal absorbers (6) that are connected in parallel;
Vaporium (7) also adopts parallel way to be connected with three horizontal absorbers (6), the leakage fluid dram of above each absorber communicates with an end of desorption device condenser (8), desorption device condenser (8) communicates with gas-liquid separator (9), gas-liquid separator adopts three-port structure, flue after the separation leads to vaporium (7), liquid line communicates with underground storage (10), and fluid reservoir (10) then communicates with rectifying column (11), is condenser (12) and the separator (13) that is communicated with successively afterwards;
Described horizontal absorber (6) comprise whole for the absorption tank body (21) of cylinder type, be arranged at the absorbent core (22) that is formed by activated carbon granule of adsorbing the interior middle and lower part of tank body (21), steam pipe (25) above the absorbent core (22), be positioned at the exhaust inlet pipe (23) of absorption tank body (21) one ends, also comprise the blast pipe (26) that is positioned at absorption tank body (21) top, the solution collecting pipe (27) of bottom, described exhaust inlet pipe is equipped with gaseous diffuser on (23), described steam pipe (25) be U-shaped and its on all establish a plurality of steam fumaroles (28); The end cap (29) of absorption tank body (21) one ends and tank body are originally as flexible connection; end cap (29) is respectively arranged with sealant with the tank body junction; end cap can be along the fixed axis Unscrew that is arranged on a side; described absorbent core (22) is arranged in the tank body by sliding rail and clamping close device; when needs to absorbent core (22) when changing; only need under stopped status, to open end cap (29); absorbent core (22) is pulled away from clamping close device; pull out along sliding rail, change new absorbent core (22) and get final product.
2. recovery cork paper according to claim 1 prints the device of ethanol in the waste gas, it is characterized in that: exhaust inlet pipe (23) and steam inlet pipeline at each horizontal absorber (6) are equipped with valve, and employing PLC controls, and it is opened, the shut-in time.
3. the device of ethanol in the recovery cork paper printing waste gas according to claim 1 and 2 is characterized in that: on the gaseous diffuser in the described horizontal absorber (6) the gas high speed nozzle is installed.
4. the device of ethanol in the recovery cork paper printing waste gas according to claim 1 and 2 is characterized in that: lean on an end of rear air cover (16) to be provided with primary condenser (19) behind the secondary sieve (18) in filter (2) casing.
5. the device of ethanol in the recovery cork paper printing waste gas according to claim 3 is characterized in that: lean on an end of rear air cover (16) to be provided with primary condenser (19) behind the secondary sieve (18) in filter (2) casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110434699 CN102512908B (en) | 2011-12-22 | 2011-12-22 | Apparatus for recovering ethanol in organic exhaust gas from tipping paper printing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110434699 CN102512908B (en) | 2011-12-22 | 2011-12-22 | Apparatus for recovering ethanol in organic exhaust gas from tipping paper printing |
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| CN102512908A CN102512908A (en) | 2012-06-27 |
| CN102512908B true CN102512908B (en) | 2013-10-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364301A (en) * | 2013-07-18 | 2013-10-23 | 云南玉溪水松纸厂 | Active carbon gas phase absorption performance simulation detection method |
| CN103323570B (en) * | 2013-07-18 | 2015-01-14 | 云南玉溪水松纸厂 | Mobile activated carbon absorber |
| GB201319677D0 (en) * | 2013-11-07 | 2013-12-25 | Eth Z Rich | Cyclopropanation |
| CN103877815A (en) * | 2014-03-07 | 2014-06-25 | 西达（无锡）生物科技有限公司 | Starch derivative production line dedusting device |
| CN105315131A (en) * | 2014-06-18 | 2016-02-10 | 安徽省三环纸业(集团)有限公司 | Ethanol recycling system of tipping paper production line |
| CN104190205A (en) * | 2014-09-26 | 2014-12-10 | 江南大学 | Exhaust gas recovery cycle working method and device |
| CN107008062A (en) * | 2017-06-13 | 2017-08-04 | 郭剑 | One kind printing full-automatic energy-saving exhaust gas processor |
| CN108261885A (en) * | 2017-12-29 | 2018-07-10 | 浙江环耀环境建设有限公司 | A kind of organic waste gas treatment system and solvent recovery process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0472488A1 (en) * | 1990-08-20 | 1992-02-26 | Carbones Pedraforca, S.A. | Procedure and device for the recovery of hydrocarbons from evaporation emissions, specially in automobiles |
| CN2281207Y (en) * | 1996-12-17 | 1998-05-13 | 黄思海 | Exhaust gas filter |
| CN2785692Y (en) * | 2005-04-15 | 2006-06-07 | 傅太平 | Organic solvent recovery device |
| CN1973938A (en) * | 2006-12-04 | 2007-06-06 | 何金星 | Apparatus for recovering and purifying volatile organic compound from waste gas and its application |
-
2011
- 2011-12-22 CN CN 201110434699 patent/CN102512908B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0472488A1 (en) * | 1990-08-20 | 1992-02-26 | Carbones Pedraforca, S.A. | Procedure and device for the recovery of hydrocarbons from evaporation emissions, specially in automobiles |
| CN2281207Y (en) * | 1996-12-17 | 1998-05-13 | 黄思海 | Exhaust gas filter |
| CN2785692Y (en) * | 2005-04-15 | 2006-06-07 | 傅太平 | Organic solvent recovery device |
| CN1973938A (en) * | 2006-12-04 | 2007-06-06 | 何金星 | Apparatus for recovering and purifying volatile organic compound from waste gas and its application |
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