CN207169114U - Produce the exhaust treatment system of styrene-butadiene latex - Google Patents
Produce the exhaust treatment system of styrene-butadiene latex Download PDFInfo
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- CN207169114U CN207169114U CN201721114136.0U CN201721114136U CN207169114U CN 207169114 U CN207169114 U CN 207169114U CN 201721114136 U CN201721114136 U CN 201721114136U CN 207169114 U CN207169114 U CN 207169114U
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- Prior art keywords
- styrene
- treatment system
- spray absorber
- exhaust treatment
- butadiene
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Abstract
The utility model discloses a kind of exhaust treatment system for producing styrene-butadiene latex, the exhaust treatment system of the production styrene-butadiene latex includes being used for the degassing kettle for receiving the material come from styrene-butadiene latex process units, to the steam generator of degassing kettle input high-temperature steam, for receiving and cooling down the cooling body of the high-temperature steam and waste gas that come from degassing kettle, come from the knockout drum of the gas-liquid mixture obtained after cooling body cooling for collecting, the top of the knockout drum is provided with the first absorption tube, one end away from the knockout drum is connected with butadiene processing mechanism on first absorption tube.
Description
Technical field
Production styrene-butadiene latex field is the utility model is related to, more particularly to produces the exhaust treatment system of styrene-butadiene latex.
Background technology
Styrene-butadiene latex is the stable emulsion formed with butadiene and styrene through low temperature polymerization.According to styrene-content, breast
The difference of agent and polymerization temperature etc., and have a variety of kinds, its performance and purposes are also different.Due to incomplete, the production of reaction
Certain waste gas can be produced during styrene-butadiene latex, research finds that these waste gas are mainly raw material butadiene and styrene；This
A little waste gas have certain harm to environment, need to handle it before being vented in air.
The Chinese patent that Authorization Notice No. is CN204034518U, authorized announcement date is on December 24th, 2014 discloses one
Kind produces the exhaust treatment system of styrene-butadiene latex water reducer, and its waste gas treatment process is：Waste gas enters in cleaning equipment, repeatedly uses
Spray liquid spray process, i.e. the processing mode of this waste gas is based primarily upon absorption of the spray liquid to waste gas.
When handling the waste gas at least containing butadiene and styrene using the exhaust treatment system of prior art, waste gas quilt
Absorb in same cleaning equipment, i.e., butadiene and styrene can not separate so that butadiene and styrene can not be again separately whole
Close and utilize.
Utility model content
The purpose of this utility model is to provide a kind of exhaust treatment system for producing styrene-butadiene latex, have separation butadiene and
The effect of styrene.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of exhaust treatment system for producing styrene-butadiene latex, including come from for receiving in styrene-butadiene latex process units
The degassing kettle of material, to degassing kettle input high-temperature steam steam generator, for receive and cool down come from degassing kettle in
The cooling body of high-temperature steam and waste gas, the separation for coming from the gas-liquid mixture obtained after cooling body cooling for collection
Tank, the top of the knockout drum are provided with the first absorption tube, and one end away from the knockout drum is connected with fourth on first absorption tube
Diene processing mechanism.
High-temperature steam heat de-airing kettle, the butadiene of the interior residual of degassing kettle, styrene gasification, these gases are in cooling body
Interior cooling, high-temperature steam and styrene are converted into liquid, and butadiene is still gas, and gas-liquid mixture enters in knockout drum and divided
From again liquid is water and styrene, and gas is butadiene, and gas is handled by butadiene processing mechanism.Using above-mentioned technical proposal,
Styrene and separate butadiene, it can separate and reclaim, realize the recycling of resource.
More preferably：The butadiene processing mechanism includes the first spray absorber connected with the first absorption tube,
It is provided with first spray absorber positioned at bottom for absorbing the first reserve liquid layer of waste gas and positioned at first liquid storage
First spraying layer of layer top, the absorbing liquid in first reserve liquid layer are pumped to first spraying layer by one first pump
Place.
Using above-mentioned technical proposal, waste gas enters in the first spray absorber, absorption and the first spray through the first reserve liquid layer
The effect for repeatedly absorbing waste gas is played in the spray process of drenching layer, repeatedly processing.
More preferably：One end that first spray absorber is corresponded on first absorption tube is located at the first liquid storage
At layer.
Using above-mentioned technical proposal, waste gas is passed through in the first reserve liquid layer, the time of contact of waste gas and absorbing liquid is improved, carries
High-absorbility.
More preferably：The butadiene processing mechanism also includes uv cure machine structure, first spray-absorption
The top of tower is connected by a pipeline with the uv cure machine structure.
Using above-mentioned technical proposal, ultraviolet light（UV）Solidification is to utilize light trigger（Sensitising agent）Photonasty, ultraviolet
Light-initiated formation excited ecological molecule, resolves into free radical or ion under linear light irradiation, polymerize unsaturated compoundses,
Connect the purpose that the chemical reactions such as skill, crosslinking reach solidification；The setting of uv cure machine structure can further remove micro- in waste gas
Unconventional impurity of amount etc., further improves treatment effect.
More preferably：The butadiene processing mechanism also includes being arranged on the second spray after the first spray absorber
Absorption tower is drenched, the top of second spray absorber is provided with the exhaust outlet for being used for connecting with external environment；Second spray is inhaled
Receive to be provided with tower and be used to absorb the second reserve liquid layer of waste gas and the second spray above second reserve liquid layer positioned at bottom
Drenching layer, the absorbing liquid in second reserve liquid layer are pumped at second spraying layer by one second pump；For connecting first
One end that second spray absorber is corresponded on the pipeline of spray absorber and the second spray absorber is located at the second spraying layer
Place.
Using above-mentioned technical proposal, convection current is occurred into for waste gas and spray liquid again, what is further remained in removing waste gas has
Malicious harmful substance.
More preferably：The uv cure machine structure is located at first spray absorber and second spray is inhaled
Between receipts tower.
Using above-mentioned technical proposal, butadiene most in waste gas is removed first with the first spray absorber, then
Micro unconventional impurity is removed using uv cure machine structure, combination of the unconventional impurity to butadiene is reduced, will remain
Minor amount of butadiene dissociate, be easy to fully absorb in the second spray absorber.
More preferably：The cooling body is condenser pipe, and the heat exchanger tube for heat exchange is arranged with outside the condenser pipe；
The both ends of the condenser pipe are separately provided for receiving the condensation entrance of the high-temperature steam and waste gas that come from degassing kettle, led to
The condensate outlet that a pipeline connects with the knockout drum is crossed, the condensation entrance is set higher than condensate outlet.
Using above-mentioned technical proposal, condensation entrance is disposed above condensate outlet so that high-temperature steam is with waste gas cold
But gas-liquid mixture enters separation under the push effect of vavuum pump and the Action of Gravity Field of itself after cooling treatment in mechanism
In tank, the promotion of external force is reduced.
More preferably：First absorption tube includes anti-recoil section, for connecting described anti-recoil section and described point
The second linkage section from the first linkage section of tank and for connecting described anti-recoil section and first spray absorber, it is described
Anti-recoil section is set higher than the junction of first spray absorber and second linkage section.
Anti-recoil section higher using above-mentioned technical proposal, the liquid that can be reduced in the first spray column is anti-from the second linkage section
Punching is into first equipment, safety in production.
More preferably：The exhaust treatment system of the production styrene-butadiene latex also includes being used for the high temperature that will be deaerated in kettle
Steam and waste gas are pumped into the vavuum pump in the connecting pipeline set between degassing kettle and cooling body.
Using above-mentioned technical proposal, vavuum pump can will in degassing kettle mixed high-temperature steam and waste gas pump to deaerate kettle and
In connecting pipeline between cooling body, simultaneously because the effect of vavuum pump and promote the gas in exhaust treatment system to transport forward
It is dynamic, provide power for the flowing of gas.
More preferably：The vavuum pump is oilless vacuum pump.
Using above-mentioned technical proposal, compared with oil pump, oilless vacuum pump can just operate without lubricating oil, so can subtract
Few influence of the lubricating oil to exhaust-gas treatment, reduce the possibility of secondary pollution.
In summary, the utility model has the advantages that：Butadiene and styrene separation in waste gas, can be separated
The recycling of resource is realized in recovery；By optimal design-aside layer by layer, the poisonous and harmful element in waste gas is removed, hence it is evident that better than air
Discharge standard.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1.
In figure, 1, degassing kettle；12nd, steam inlet；13rd, main discharging opening；14th, steam generator；15th, vavuum pump；21st, condense
Pipe；22nd, heat exchanger tube；23rd, entrance is condensed；24th, condensate outlet；25th, coolant inlet；26th, cooling liquid outlet；3rd, knockout drum；31、
Gas vent；32nd, liquid outlet；4th, the first spray absorber；41st, the first spray inlet；42nd, the first reserve liquid layer；43rd, the first spray
Drenching layer；44th, the first pump；45th, the first discharge outlet；46th, gas distributor；5th, uv cure machine structure；6th, the second spray-absorption
Tower；61st, the second spray inlet；62nd, the second reserve liquid layer；63rd, the second spraying layer；64th, the second pump；65th, the second discharge outlet；71、
First linkage section；72nd, anti-recoil section；73rd, the second linkage section.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in the scope of protection of the utility model by Patent Law.
Embodiment：The exhaust treatment system of styrene-butadiene latex is produced, as shown in figure 1, coming from butadiene-styrene rubber by pumping reception
The degassing kettle 1 of material in newborn process units and by pipeline be successively set on degassing kettle 1 after cooling body, knockout drum
3rd, the first spray absorber 4, the spray absorber 6 of uv cure machine structure 5 and second.
The top of degassing kettle 1 is provided with steam inlet 12, and the bottom of degassing kettle 1 sets main discharging opening 13.Steam generator
High-temperature steam caused by 14 is entered in degassing kettle 1 by being arranged on the pipeline of itself and steam inlet 12.
Vavuum pump 15 is also connected with degassing kettle 1, vavuum pump 15 is oilless vacuum pump；Compared with oil pump, oilless vacuum pump without
It need to can just be operated by lubricating oil, so influence of the lubricating oil to exhaust-gas treatment can be reduced, reduce the possibility of secondary pollution.
Mixed high-temperature steam and waste gas are through the pump of vavuum pump 15 to the connecting pipeline to deaerate between kettle 1 and cooling body in degassing kettle 1
In, simultaneously because the effect of vavuum pump 15 and promote the gas in exhaust treatment system to travel forward, provided for the flowing of gas
Power.
Cooling body is the heat exchanger tube 22 for including condenser pipe 21 He being set in outside condenser pipe 21.The both ends difference of condenser pipe 21
To come from degassing kettle 1 close to the condensation entrance 23 of degassing kettle 1 and the condensate outlet 24 close to knockout drum 3, the pumping of vavuum pump 15
Interior high-temperature steam flows with exhaust-gas mixture autocondensation entrance 23 to condensate outlet 24.Condensation entrance 23 is disposed above cold
Solidifying outlet 24 so that high-temperature steam with waste gas in the push of vavuum pump 15 make after cooling treatment in cooling body by gas-liquid mixture
To and the Action of Gravity Field of itself under enter knockout drum 3 in.In addition, the bottom of heat exchanger tube 22 sets coolant inlet 25, and
Cooling liquid outlet 26 is set at the top of heat exchanger tube 22, and coolant enters in heat exchanger tube 22 and is gradually filled with from coolant inlet 25
In heat exchanger tube 22, when the liquid level of coolant is higher than cooling liquid outlet 26, coolant is discharged, it is possible to reduce is cooled down in heat exchanger tube 22
The uneven possibility of liquid local distribution, improves heat exchange efficiency.Come from the high-temperature steam in degassing kettle 1 with waste gas in condenser pipe 21
Cooling, styrene and polymerization inhibitor TBC are converted into liquid, and butadiene is still gas.
The top of knockout drum 3 is provided with gas vent 31 and the gas-liquid entrance for being connected by pipeline with condenser pipe 21,
The bottom of knockout drum 3 is provided with liquid outlet 32.Gas-liquid mixture standing separation in knockout drum 3, due to pushing away for first pressure
Dynamic, gas enters subsequent treatment through gas vent 31.
Gas vent 31 on knockout drum 3 passes through with the first spray inlet 41 for being arranged on the bottom of the first spray absorber 4
First absorption tube connects.First absorption tube include anti-recoil section 72, for connect anti-recoil section 72 and gas vent 31 first
Linkage section 71 and the second linkage section 73 for connecting anti-recoil section 72 and the first spray inlet 41.Anti-recoil section 72 higher than the
One spray inlet 41 is set.
It is provided with first spray absorber 4 positioned at the first reserve liquid layer 42 for being used to absorb waste gas of bottom and positioned at the first storage
First spraying layer 43 of the top of liquid layer 42, the first spray inlet 41 are correspondingly arranged at the first reserve liquid layer 42.First reserve liquid layer 42
Interior absorbing liquid is pumped at the first spraying layer 43 by one first pump 44.The top of first spray absorber 4 is provided with first
Discharge outlet 45.The spray liquid and the liquid storage of the first reserve liquid layer 42 that first spraying layer 43 uses are the liquid for absorbing butadiene,
Such as organic solvent or the existing absorbent of commercial absorbent agent.The gas connected with the second linkage section 73 is additionally provided with first reserve liquid layer 42
Body distributor 46.
One end of uv cure machine structure 5 is connected by pipeline with the first discharge outlet 45, its other end by pipeline with
The second spray inlet 61 for being arranged on the bottom of the second spray absorber 6 connects.Uv cure machine structure 5 come from it is commercially available, it is ultraviolet
The principle of absorption of photocuring mechanism 5 is：Ultraviolet light（UV）Solidification is to utilize light trigger（Sensitising agent）Photonasty, in ultraviolet
Light-initiated formation excited ecological molecule, resolves into free radical or ion, unsaturated compoundses polymerize, connect under light irradiation
The chemical reactions such as skill, crosslinking reach the purpose of solidification.Uv cure machine structure 5 is prior art, and therefore not to repeat here.
It is provided with second spray absorber 6 positioned at the second reserve liquid layer 62 for being used to absorb waste gas of bottom and positioned at the second storage
Second spraying layer 63 of the top of liquid layer 62, the second spray inlet 61 are correspondingly arranged at the second spraying layer 63.Second reserve liquid layer 62
Interior absorbing liquid is pumped at the second spraying layer 63 by one second pump 64.The top of second spray absorber 6 be provided with outside
Second discharge outlet 65 of environmental communication.The spray liquid and the liquid storage of the second reserve liquid layer 62 that second spraying layer 63 uses are to absorb
The liquid of butadiene, such as organic solvent or the existing absorbent of commercial absorbent agent.
Waste gas treatment process：
After styrene-butadiene latex produces reaction stopping, high-temperature steam caused by steam generator 14 is by being arranged on degassing kettle 1
Enter with the pipeline of steam inlet 12 in degassing kettle 1, high-temperature steam heat de-airing kettle 1, butadiene, the benzene of residual in degassing kettle 1
Ethene and polymerization inhibitor TBC gasifications；
Vavuum pump 15 is opened, by the high-temperature steam to deaerate in kettle 1 with waste gas by force feed to condenser pipe 21, heat exchange cools down
Afterwards, high-temperature steam, styrene and polymerization inhibitor TBC are converted into liquid, and butadiene is still gas, and gas-liquid mixture is in vavuum pump 15
Push effect and the Action of Gravity Field of itself under enter knockout drum 3 in；
Gas-liquid mixture standing separation in knockout drum 3, due to the promotion of first pressure, waste gas（Styrene）Go out through gas
Mouth 31 enters in the first reserve liquid layer 42 of the first spray absorber 4, and portion is absorbed by the absorbent in the first reserve liquid layer 42
And be dissolved in absorbent solution, portion move upwards and with spray liquid convection current and be processed again, it is a small amount of afterwards useless
Gas enters in uv cure machine structure 5 through the first discharge outlet 45；
In uv cure machine structure 5, a small amount of waste gas is cured, further removing exhaust gas；Enter the second spray afterwards to inhale
Receive in tower 6, with spray liquid convection current occurs for waste gas, flows to the cleaning gas in external environment afterwards, hence it is evident that better than discharge standard；
In addition, the recyclable recycling of butadiene and styrene of separation, energy-conserving and environment-protective.
Claims (10)
1. a kind of exhaust treatment system for producing styrene-butadiene latex, it is characterised in that including coming from styrene-butadiene latex life for receiving
Produce the degassing kettle (1) of the material in device, the steam generator (14) of high-temperature steam inputted to degassing kettle (1), for receiving simultaneously
Cooling comes from the cooling body of the high-temperature steam and waste gas in degassing kettle (1), for after collecting and coming from cooling body cooling
The knockout drum (3) of obtained gas-liquid mixture, the top of the knockout drum (3) are provided with the first absorption tube, first absorption tube
Upper one end away from the knockout drum (3) is connected with butadiene processing mechanism.
2. the exhaust treatment system of production styrene-butadiene latex according to claim 1, it is characterised in that the butadiene processing
Mechanism includes the first spray absorber (4) connected with the first absorption tube, is provided with first spray absorber (4) and is located at bottom
Portion be used for absorb the first reserve liquid layer (42) of waste gas and the first spraying layer (43) above first reserve liquid layer (42),
Absorbing liquid in first reserve liquid layer (42) is pumped to the first spraying layer (43) place by one first pump (44).
3. the exhaust treatment system of production styrene-butadiene latex according to claim 2, it is characterised in that first absorption tube
One end of upper correspondence first spray absorber (4) is located at the first reserve liquid layer (42) place.
4. the exhaust treatment system of production styrene-butadiene latex according to claim 3, it is characterised in that the butadiene processing
Mechanism also includes uv cure machine structure (5), and the top of first spray absorber (4) passes through a pipeline and the ultraviolet light
Curing mechanism (5) connects.
5. the exhaust treatment system of production styrene-butadiene latex according to claim 4, it is characterised in that the butadiene processing
Mechanism also includes being arranged on the second spray absorber (6) after the first spray absorber (4), second spray absorber
(6) top is provided with the exhaust outlet for being used for connecting with external environment；The use positioned at bottom is provided with second spray absorber (6)
In the second reserve liquid layer (62) and the second spraying layer (63) above second reserve liquid layer (62) that absorb waste gas, described the
Absorbing liquid in two reserve liquid layers (62) is pumped to the second spraying layer (63) place by one second pump (64)；For connecting first
One end of second spray absorber (6) is corresponded on the pipeline of spray absorber (4) and the second spray absorber (6) positioned at the
Two spraying layers (63) place.
6. the exhaust treatment system of production styrene-butadiene latex according to claim 5, it is characterised in that the ultraviolet light solidification
Mechanism (5) is between first spray absorber (4) and second spray absorber (6).
7. the exhaust treatment system of production styrene-butadiene latex according to claim 1, it is characterised in that the cooling body is
Condenser pipe (21), the condenser pipe (21) are arranged with the heat exchanger tube (22) for heat exchange outside；The both ends of the condenser pipe (21) point
Be not provided with the high-temperature steam and waste gas that come from for reception in degassing kettle (1) condensation entrance (23), by a pipeline with
The condensate outlet (24) of knockout drum (3) connection, the condensation entrance (23) are set higher than condensate outlet (24).
8. the exhaust treatment system of production styrene-butadiene latex according to claim 2, it is characterised in that first absorption tube
The first linkage section (71) including anti-recoil section (72), for connecting anti-recoil section (72) and the knockout drum (3) and
For connecting the second linkage section (73) of anti-recoil section (72) and first spray absorber (4), described anti-recoil section
(72) set higher than the junction of first spray absorber (4) and second linkage section (73).
9. the exhaust treatment system of production styrene-butadiene latex according to claim 1, it is characterised in that the production butadiene-styrene rubber
The exhaust treatment system of breast also includes being used to the high-temperature steam to deaerate in kettle (1) and waste gas being pumped into degassing kettle (1) and cooler
Vavuum pump (15) in the connecting pipeline set between structure.
10. the exhaust treatment system of production styrene-butadiene latex according to claim 9, it is characterised in that the vavuum pump
(15) it is oilless vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114136.0U CN207169114U (en) | 2017-08-31 | 2017-08-31 | Produce the exhaust treatment system of styrene-butadiene latex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114136.0U CN207169114U (en) | 2017-08-31 | 2017-08-31 | Produce the exhaust treatment system of styrene-butadiene latex |
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| Publication Number | Publication Date |
|---|---|
| CN207169114U true CN207169114U (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114136.0U Expired - Fee Related CN207169114U (en) | 2017-08-31 | 2017-08-31 | Produce the exhaust treatment system of styrene-butadiene latex |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108467459A (en) * | 2018-04-16 | 2018-08-31 | 德莱创节能科技（苏州）有限公司 | A kind of styrene-butadiene latex production system of energy-saving and emission-reduction |
| CN108786187A (en) * | 2018-06-12 | 2018-11-13 | 帕提古丽·奥布力 | A kind of isoprene rubber latex degassing gas separation system |
| CN109364588A (en) * | 2018-11-30 | 2019-02-22 | 浙江信汇新材料股份有限公司 | A kind of VOCs gas recycling and processing device and method |
-
2017
- 2017-08-31 CN CN201721114136.0U patent/CN207169114U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108467459A (en) * | 2018-04-16 | 2018-08-31 | 德莱创节能科技（苏州）有限公司 | A kind of styrene-butadiene latex production system of energy-saving and emission-reduction |
| CN108467459B (en) * | 2018-04-16 | 2021-04-20 | 德莱创节能科技（苏州）有限公司 | Energy-saving and emission-reducing styrene-butadiene latex production system |
| CN108786187A (en) * | 2018-06-12 | 2018-11-13 | 帕提古丽·奥布力 | A kind of isoprene rubber latex degassing gas separation system |
| CN109364588A (en) * | 2018-11-30 | 2019-02-22 | 浙江信汇新材料股份有限公司 | A kind of VOCs gas recycling and processing device and method |
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