CN209451584U - A kind of exhaust treatment system of machine room - Google Patents
A kind of exhaust treatment system of machine room Download PDFInfo
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- CN209451584U CN209451584U CN201821888546.5U CN201821888546U CN209451584U CN 209451584 U CN209451584 U CN 209451584U CN 201821888546 U CN201821888546 U CN 201821888546U CN 209451584 U CN209451584 U CN 209451584U
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- exhaust
- machine room
- pipe
- treatment system
- exhaust treatment
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Abstract
The utility model discloses a kind of exhaust treatment systems of machine room, including being located at gas gathering mask and downtake pipe above printing machine, it further include the extraction box equipped with carbon tetrachloride extraction agent, hydrolysis case and combustion bin equipped with lye, one end of the downtake pipe connects the gas gathering mask, and the other end extends in the carbon tetrachloride extraction agent in the extraction box；Second exhaust pipe is connected at the top of the extraction box, the end of second exhaust pipe extends in the lye in the hydrolysis case, and third exhaust pipe is connected at the top of the hydrolysis case, and the third exhaust pipe is connected to combustion bin.The utility model has the advantages that stablize and thoroughly handle printing tail gas.
Description
Technical field
The utility model relates to print tail gas disposal technique field, more particularly, to a kind of exhaust-gas treatment system of machine room
System.
Background technique
With the acceleration of process of industrialization, thus bring problem of environmental pollution is also more and more prominent.In printing industry
Printing exhaust gas usually has the stronger organic compounds of the volatility such as benzene class, acetone, butanone, esters, ethers.The generation of exhaust gas is main
In inking and drying, recombination process, the main source that organic solvent is exhaust emission is evaporated.Printing exhaust gas constituents complexity,
Peculiar smell weight, it is inflammable and explosive, the Environmental security of machine room is caused to seriously threaten.
In view of the above-mentioned problems, patent announcement number is the Chinese patent of CN206881454U, proposes one kind and set for printing
Standby emission-control equipment, including being located at the air-suction cover above printing machine, the escape pipe and double-layer active carbon mistake of the air-suction cover
The bottom end of filter connects, and the top of the double-layer active carbon filter is equipped with air-introduced machine, and the air-introduced machine is connect with chimney.
Prior art among the above has the following deficiencies: the emission-control equipment by double-layer active carbon absorption to locate
Manage exhaust gas, but be easy to be desorbed in active carbon with the exhaust gas of higher heat, cause active carbon be difficult to effectively adsorb it is all
Exhaust gas, exhaust-gas treatment are not thorough.
Utility model content
The purpose of the utility model is to provide at a kind of exhaust gas of machine room that can stablize and thoroughly handle tail gas
Reason system.
The utility model has the technical scheme that
A kind of exhaust treatment system of machine room, including being located at gas gathering mask and downtake pipe above printing machine, also
Including the extraction box equipped with carbon tetrachloride extraction agent, hydrolysis case and combustion bin equipped with lye, one end of the downtake pipe
The gas gathering mask is connected, the other end extends in the carbon tetrachloride extraction agent in the extraction box；Connect at the top of the extraction box
It is connected to second exhaust pipe, the end of second exhaust pipe extends in the lye in the hydrolysis case, connects at the top of the hydrolysis case
It is connected to third exhaust pipe, the third exhaust pipe is connected to combustion bin.
By using above-mentioned technical proposal, enter in downtake pipe from the exhaust gas escaped in printing machine, exhaust gas is passed through extraction
It takes in the carbon tetrachloride extraction agent in case and is extracted, the benzene homologues such as the benzene in exhaust gas, toluene is made to be got off by carbon tetrachloride extraction,
Then exhaust gas passes through second exhaust pipe again and enters in the lye in hydrolysis case, and the ester-based organic compounds such as ethyl acetate in exhaust gas are in alkali
It is hydrolyzed in liquid, generates acylate and alcohol, the later period is facilitated to be recycled these basic organic matters；Meanwhile exhaust gas
In the organic matters such as acetone, butanone, ether, alcohol can be dissolved in lye, it is more stable to absorb exhaust gas.Last exhaust gas passes through third
Exhaust pipe, which enters in combustion bin, to burn, and exhaustive oxidation generates carbon dioxide and water, can be with direct emission into atmosphere, exhaust gas
Processing is complete.
Be further arranged to: end of the downtake pipe in the extraction box is equipped with inverted anti-suck funnel,
The bottom margin of the anti-suck funnel is located at the liquid level of carbon tetrachloride extraction agent hereinafter, the cone-shaped cavity of suck-back funnel is located at four
It is more than the liquid level of chlorination carbon extractant.
By using above-mentioned technical proposal, since the benzene homologues such as benzene, toluene in exhaust gas are continuously from first exhaust
It is dissolved into pipe in carbon tetrachloride extraction agent, is easy to form certain negative pressure in downtake pipe, leads to carbon tetrachloride extraction
Agent flows back in downtake pipe, even into printing machine, not only having reduced the treatment effeciency of exhaust gas, but also may influence printing machine
Normal work.End in downtake pipe connects an anti-suck funnel, when air pressure is less than extraction in downtake pipe
When air pressure in case, liquid level of the carbon tetrachloride extraction agent in anti-suck funnel rises, the carbon tetrachloride extraction outside anti-suck funnel
Agent liquid level is taken to decline, the carbon tetrachloride extraction when liquid level is decreased below the bottom margin of anti-suck funnel, in anti-suck funnel
Take agent since gravity lands automatically, so that realizing prevents suck-back.
Be further arranged to: end of the second exhaust pipe in the hydrolysis case is connected with porous disc, described porous
It is equipped with cavity in disk and is evenly distributed in the upper surface several ventholes being connected to cavity, the end of the second exhaust pipe and the sky
Chamber connection.
By using above-mentioned technical proposal, the end of second exhaust pipe connects porous disc, opened up in porous disc cavity and on
Surface opens up several ventholes, then enter second exhaust pipe in exhaust gas by several ventholes enter in hydrolysis case with lye
Hydrolysis occurs, several ventholes can increase the contact area of exhaust gas and lye, to keep hydrolysis more thoroughly fast
Speed, while other water soluble organic substances also being facilitated to be dissolved in lye.
Be further arranged to: the third exhaust pipe is equipped with active carbon filter.
By using above-mentioned technical proposal, active carbon filter is set, exhaust gas passes through four chlorinations at this time on third exhaust pipe
After carbon extractant and lye are cooling, temperature is declined, to reduce desorption of the gaseous organic substance in active carbon filter
Attached possibility, active carbon filter will can not be absorbed in preceding twice program in exhaust gas complete a small amount of organic gas into
Row absorbs.
It is further arranged to: blower being installed on the downtake pipe.
By using above-mentioned technical proposal, blower is installed on downtake pipe, blower can accelerate exhaust gas and enter first row
Flow velocity in tracheae is conducive to preferably improve machine room's working environment to reduce accumulation of the exhaust gas in machine room.
Be further arranged to: the downtake pipe is telescoping tube close to one end of gas gathering mask.
By using above-mentioned technical proposal, downtake pipe is telescoping tube close to one end of gas gathering mask, then gas gathering mask can be with
Side is gone up and down on the printer, and staff is facilitated to be lifted up gas gathering mask when needed to overhauling in printing machine.
Be further arranged to: the downtake pipe outer cup is equipped with collet.
By using above-mentioned technical proposal, temperature with higher when being come out from printing machine due to exhaust gas, in first row
It is arranged heat shield on tracheae, the heat in exhaust gas can be prevented to enter in machine room through the tube wall of downtake pipe, thus
Prevent the temperature in machine room excessively high.
Be further arranged to: the extraction box is transparent plastic case.
By using above-mentioned technical proposal, extraction box is transparent plastic case, and transparent plastic case can be convenient staff just
Extraction situation is observed, and the content of carbon tetrachloride extraction agent in extraction box is adjusted, thus preferably by the benzene homologues in exhaust gas
It is absorbed.
In conclusion the advantageous effects of the utility model are as follows:
(1) benzene homologues not soluble in water in exhaust gas are absorbed using the carbon tetrachloride extraction agent in extraction box, recycle hydrolysis
Lye in case hydrolyzes the Ester in exhaust gas, while it is organic to absorb the acetone that water is dissolved in exhaust gas, butanone, ether, alcohol etc.
Object, absorb organic matter more completely and Vapor recovery unit；
(2) end of third exhaust pipe connects combustion bin, and combustion bin fills the organic compound not being completely absorbed
Divided combustion, generates the micro-molecular gas of the environmental sounds such as carbon dioxide and water, thus reach discharge standard, it is more friendly to environment
It is good.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment.
The enlarged structure schematic diagram of a-quadrant in Fig. 2 Fig. 1.
Appended drawing reference: 1, printing machine；2, gas gathering mask；3, downtake pipe；4, extraction box；5, hydrolysis case；6, combustion bin；7,
Second exhaust pipe；8, third exhaust pipe；9, anti-suck funnel；10, porous disc；11, cavity；12, venthole；13, active carbon mistake
Filter；14, blower；15, telescoping tube；16, collet.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of exhaust treatment system of machine room disclosed by the utility model, including gas gathering mask 2, first
Exhaust pipe 3, second exhaust pipe 7, third exhaust pipe 8, extraction box 4, hydrolysis case 5 and combustion bin 6.Four chlorinations are housed in extraction box 4
Carbon extractant, the lye in hydrolysis case 5 equipped with sodium hydroxide or calcium hydroxide.Gas gathering mask 2 is bucket-shaped in inversion and is located at printing machine 1
Gas outlet right above, the top of gas gathering mask 2 is connected to downtake pipe 3, a blower 14 is installed on downtake pipe 3, the
The end of one exhaust pipe 3 is passed through in the carbon tetrachloride extraction agent in extraction box 4.One end connection extraction box 4 of second exhaust pipe 7
Top, the other end are passed through in the lye in hydrolysis case 5.8 one end of third exhaust pipe connects the top of hydrolysis case 5, other end connection
The chimney of combustion bin 6, combustion bin 6 is communicated with atmosphere.
The carbon tetrachloride extraction agent in extraction box 4, which is first passed through, from the exhaust gas escaped in printing machine 1 absorbs benzene not soluble in water
Be object, hydrolyze the Ester in exhaust gas using the lye in hydrolysis case 5, at the same absorb be dissolved in exhaust gas water acetone,
The organic matter not fully absorbed is finally passed through in combustion bin 6 again and is thoroughly burnt by the organic matters such as butanone, ether, alcohol, generates two
Carbonoxide and water, absorb organic matter more completely and Vapor recovery unit.
End of the downtake pipe 3 in extraction box 4 is fixedly connected with inverted anti-suck funnel 9, anti-suck funnel 9
Bottom margin is located at the liquid level of carbon tetrachloride extraction agent hereinafter, the cone-shaped cavity of suck-back funnel is located at the liquid of carbon tetrachloride extraction agent
It is more than face.The extraction situation in extraction box 4 is observed in order to facilitate staff, extraction box 4 is transparent plastic case.Work as first exhaust
When air pressure is less than the air pressure in extraction box 4 in pipe 3, liquid level of the carbon tetrachloride extraction agent in anti-suck funnel 9 rises, anti-suck
Carbon tetrachloride extraction agent liquid level decline outside funnel 9, it is anti-down when liquid level is decreased below the bottom margin of anti-suck funnel 9
The carbon tetrachloride extraction agent in funnel 9 is inhaled since gravity lands automatically, so that realizing prevents suck-back.
End of the second exhaust pipe 7 in hydrolysis case 5 is fixedly connected with a porous disc 10, and porous disc 10 is placed on hydrolysis
Bottom in case 5, offer cavity 11 in porous disc 10, and the upper surface of porous disc 10 is uniformly provided with several to be connected to cavity 11
Venthole 12(is referring to fig. 2), the end of second exhaust pipe 7 is connected to cavity 11.One active carbon is installed on third exhaust pipe 8
Filter 13.
It is entered in hydrolysis case 5 into the exhaust gas in second exhaust pipe 7 by several ventholes 12 and is hydrolyzed with lye
Reaction, unabsorbed organic gas, which enters in active carbon filter 13, further to be absorbed, thus by exhaust gas
Complete a small amount of organic gas is not absorbed in preceding twice program to absorb completely.
In order to facilitate staff to overhauling at the gas outlet of printing machine 1, downtake pipe 3 is close to gas gathering mask 2
One end is telescoping tube 15.It is equipped with one layer of collet 16 in 3 outer cover of downtake pipe simultaneously, to prevent the heat in exhaust gas from penetrating
The tube wall of downtake pipe 3 enters in machine room, to prevent the temperature in machine room excessively high.
The implementation principle of the present embodiment and have the beneficial effect that from printing machine 1 come out exhaust gas first pass through in extraction box 4
Carbon tetrachloride extraction agent extraction, removes benzene homologues not soluble in water；Eliminate the alkali in the exhaust gas recycling hydrolysis case 5 of benzene homologues
The Ester hydrolysis that liquid makes, while absorbing and being dissolved in the organic matters such as acetone, butanone, ether, the alcohol of water, it is more complete to absorb organic matter
And Vapor recovery unit, finally the organic gas that residue is not completely absorbed is passed through in combustion bin 6 and carries out full combustion, generates two
Carbonoxide and water, last direct emission are more environmentally-friendly into atmospheric environment.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of exhaust treatment system of machine room, including being located at gas gathering mask (2) and downtake pipe above printing machine (1)
(3), it is characterised in that: further include the extraction box (4) equipped with carbon tetrachloride extraction agent, the hydrolysis case (5) equipped with lye and burning
The one end in storehouse (6), the downtake pipe (3) connects the gas gathering mask (2), and the other end extends in the extraction box (4)
In carbon tetrachloride extraction agent；It is connected with second exhaust pipe (7) at the top of the extraction box (4), the end of second exhaust pipe (7) is prolonged
It extends in the lye in the hydrolysis case (5), is connected with third exhaust pipe (8) at the top of the hydrolysis case (5), the third row
Tracheae (8) is connected to combustion bin (6).
2. the exhaust treatment system of machine room according to claim 1, it is characterised in that: the downtake pipe (3)
End in the extraction box (4) is equipped with inverted anti-suck funnel (9), the bottom margin position of the anti-suck funnel (9)
In carbon tetrachloride extraction agent liquid level hereinafter, the cone-shaped cavity of suck-back funnel is located at the liquid level of carbon tetrachloride extraction agent or more.
3. the exhaust treatment system of machine room according to claim 1 or 2, it is characterised in that: the second exhaust pipe
(7) end in the hydrolysis case (5) is connected with porous disc (10), and cavity (11) and upper table are equipped in the porous disc (10)
Face is evenly equipped with several ventholes (12) being connected to cavity (11), the end and the cavity (11) of the second exhaust pipe (7)
Connection.
4. the exhaust treatment system of machine room according to claim 1 or 2, it is characterised in that: the third exhaust pipe
(8) active carbon filter (13) are equipped with.
5. the exhaust treatment system of machine room according to claim 2, it is characterised in that: the downtake pipe (3)
On blower (14) are installed.
6. the exhaust treatment system of machine room according to claim 2 or 5, it is characterised in that: the downtake pipe
(3) one end close to gas gathering mask (2) is telescoping tube (15).
7. the exhaust treatment system of machine room according to claim 6, it is characterised in that: the downtake pipe (3)
Outer cup is equipped with collet (16).
8. the exhaust treatment system of machine room according to claim 1, it is characterised in that: the extraction box (4) is
Bright plastic box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888546.5U CN209451584U (en) | 2018-11-15 | 2018-11-15 | A kind of exhaust treatment system of machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888546.5U CN209451584U (en) | 2018-11-15 | 2018-11-15 | A kind of exhaust treatment system of machine room |
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| Publication Number | Publication Date |
|---|---|
| CN209451584U true CN209451584U (en) | 2019-10-01 |
Family
ID=68038347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821888546.5U Active CN209451584U (en) | 2018-11-15 | 2018-11-15 | A kind of exhaust treatment system of machine room |
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| Country | Link |
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| CN (1) | CN209451584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112172339A (en) * | 2020-09-27 | 2021-01-05 | 重庆三创印刷有限公司 | Energy-concerving and environment-protective lithography apparatus |
| CN113041798A (en) * | 2021-03-11 | 2021-06-29 | 芜湖造船厂有限公司 | System for gas absorption treatment and method for gas absorption treatment |
-
2018
- 2018-11-15 CN CN201821888546.5U patent/CN209451584U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112172339A (en) * | 2020-09-27 | 2021-01-05 | 重庆三创印刷有限公司 | Energy-concerving and environment-protective lithography apparatus |
| CN113041798A (en) * | 2021-03-11 | 2021-06-29 | 芜湖造船厂有限公司 | System for gas absorption treatment and method for gas absorption treatment |
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