CN206613334U - The recovery system of waste gas in a kind of viscose rayon production - Google Patents
The recovery system of waste gas in a kind of viscose rayon production Download PDFInfo
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- CN206613334U CN206613334U CN201621302657.4U CN201621302657U CN206613334U CN 206613334 U CN206613334 U CN 206613334U CN 201621302657 U CN201621302657 U CN 201621302657U CN 206613334 U CN206613334 U CN 206613334U
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- waste gas
- condenser
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- viscose rayon
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Abstract
The utility model is related to viscose short-thread exhaust-gas treatment field, the recovery system of waste gas in specially a kind of viscose rayon production, it is characterised in that including：For sloughing the knockout of moisture content in highly concentrated waste gas, the cooling device for cooling down waste gas, compressor, condenser and Crouse's acid gas surge tank, the waste gas of high concentration is accessed in one end of the knockout, the other end is connected with cooling device, and the cooling device includes：Circulating pump and board-like cooling tower, the cooling device are connected by compressor with condenser, and the condenser is connected with Crouse's acid gas surge tank.
Description
Technical field
The utility model is related to viscose short-thread exhaust-gas treatment field, the recovery of waste gas in specially a kind of viscose rayon production
System.
Background technology
In production process of viscose fiber, because production process is more, production cycle length and from yellow process to spinning work
The substantial amounts of use industrial chemicals of sequence, therefore, inevitably produces some poisonous and hazardous industrial waste gases, its main component is
CS2 and H2S gases from yellow, spinning and acid station.
At present, the method for processing viscose rayon production waste gas mainly has two kinds：
One, alkali cleaning spray：Use alkali lye（NaOH）Spray-absorption is carried out to waste gas, Na2S, then film-making export trade, the method is generated
To H2S treatment effects substantially, it is but poor to wherein CS2 treatment effect；
Two, condensation：The higher waste gas of concentration containing CS2 is through over-heat-exchanger（Condenser）, directly or indirectly will with water at low temperature
EGT is down to below CS2 boiling points, with recovering liquid CS2, such as patent document CN1016599B（Carbon disulphide production process
The method for separating and processing of middle reaction product, 1990.06.13）Record, be 1.5-10 kg/cms and temperature in pressure
Spend and complete the separation process with hydrogen sulfide under the conditions of -10-+20 DEG C, once to make carbon disulfide all liquefy.But demonstrate,proved through practice
It is bright, this method for viscose staple fibre spinning process tow solidify, decompose when discharge small tolerance, high-temperature, high concentration CS2
Recovery when, CS2 efficiency is the most obvious.
Understood based on above-mentioned situation, the processing method of existing viscose rayon production waste gas also exist treatment effect it is undesirable,
The problems such as production cost is high, particularly condensation are reclaimed in CS2 method, it is desirable to which its efficiency is the brightest during high concentration CS2 recovery
Aobvious, based on this, to improve the treatment effeciency of viscose glue industry waste gas, the utility model proposes a kind of processing viscose rayon waste gas
Preprocess method.
Utility model content
For above-mentioned deficiency of the prior art, the utility model provides a kind of recovery of waste gas during viscose rayon is produced
System.
The recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing highly concentrated waste gas reclaimed water
The knockout, the cooling device for cooling down waste gas, compressor, condenser and Crouse's acid gas surge tank of part, the knockout
One end access the waste gas of high concentration, the other end is connected with cooling device, and the cooling device includes：Circulating pump and board-like cooling
Tower, the cooling device is connected by compressor with condenser, and the condenser is connected with Crouse's acid gas surge tank.
The low pressure carbon disulfide collecting tank for collecting liquid carbon disulphide is additionally provided with the cooling device.
The low pressure carbon disulfide collecting tank is the collecting tank of corrosion-resistant and high-temperature resistant.
One end of the board-like cooling tower is provided with water inlet, and the other end is provided with delivery port, the freezing salt for cooling
Water flows into board-like cooling tower from water inlet, and board-like cooling tower is flowed out from delivery port, and the waste gas in viscose rayon production passes through cooling
The carbon disulfide of part low pressure will be filtered out after device.
The condenser is connected with high pressure carbon disulfide collecting tank.
The high pressure carbon disulfide collecting tank is the collecting tank of high-voltage-resistant anti-corrosion.
One end of the condenser is provided with water inlet, and the other end is provided with delivery port, for cooling chilled brine from
Water inlet flows into condenser, and condenser is flowed out from delivery port.
The detailed process of carbon disulfide condensation：
It is multistage that gas after condensation water removal enters hydrogen sulfide（2 ~ 4 grades）Compressor, is compressed between 0.25 ~ 1.6MPa, level and is provided with
Intercooler, reduction subordinate compression suction temperature, excludes the CS condensed out2Liquid.
Gas after final stage compression enters CS2Condenser, is cooled down with 0 ~ 10 DEG C of chilled brine partition, makes gas cooling to 0 ~ 5
DEG C, isolate remaining moisture and CS2Liquid.CS in gas2Content is reduced to 1% or so, send claus oven to use after decompression.
The CS separated2Liquid delivers to CS after being collected through another collecting tank2Rough measuring tank imported valve, after by again
Refinement treatment.
The beneficial effects of the utility model：
1. the utility model can be used for carbon disulfide and hydrogen sulfide in the industrial multi-site waste gas of viscose glue and acid solution to collect, lead to
Later continue separating step, improve the rate of recovery of carbon disulfide and hydrogen sulfide, the carbon disulfide of recovery can return to viscose glue industrial production,
Vulcanization Hydrogen Energy prepares sulfuric acid or sulfur product, is conducive to the control of production cost.
2. the utility model solves the recovery problem of waste gas in viscose rayon production, while two sulphur of liquid can be recovered to
Change carbon, so greatly save production cost.
3. the utility model solves the organic efficiency due to improving carbon disulfide and hydrogen sulfide, so the utility model
Also the efficiency of viscose rayon production is substantially increased.
Brief description of the drawings
Fig. 1 is the flow chart of the system；
Reference
1. knockout, 2. cooling devices, 201. circulating pumps, 202. board-like cooling towers, 203. low pressure carbon disulfide collecting tanks,
3. compressor, 4. condensers, 401. high pressure carbon disulfide collecting tanks, 5. Crouse's acid gas surge tanks.
Embodiment：
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
The recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing highly concentrated waste gas reclaimed water
The knockout 1, the cooling device 2 for cooling down waste gas, compressor 3, condenser 4 and Crouse's acid gas surge tank 5 of part, it is described
The waste gas of high concentration is accessed in one end of knockout 1, and the other end is connected with cooling device 2, and the cooling device 2 includes：Circulating pump
201 and board-like cooling tower 202, the cooling device 2 is connected by compressor 3 with condenser 4, the condenser and Crouse
Acid gas surge tank 5 is connected.
The detailed process of carbon disulfide condensation：
It is multistage that gas after condensation water removal enters hydrogen sulfide（2 ~ 4 grades）Compressor, is compressed between 0.25 ~ 1.6MPa, level and is provided with
Intercooler, reduction subordinate compression suction temperature, excludes the CS condensed out2Liquid.
Gas after final stage compression enters CS2Condenser, is cooled down with 0 ~ 10 DEG C of chilled brine partition, makes gas cooling to 0 ~ 5
DEG C, isolate remaining moisture and CS2Liquid.CS in gas2Content is reduced to 1% or so, send claus oven to use after decompression.
The CS separated2Liquid delivers to CS after being collected through another collecting tank2Rough measuring tank imported valve, after by again
Refinement treatment.
Embodiment 2：
The recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing highly concentrated waste gas reclaimed water
The knockout 1, the cooling device 2 for cooling down waste gas, compressor 3, condenser 4 and Crouse's acid gas surge tank 5 of part, it is described
The waste gas of high concentration is accessed in one end of knockout 1, and the other end is connected with cooling device 2, and the cooling device 2 includes：Circulating pump
201 and board-like cooling tower 202, the cooling device 2 is connected by compressor 3 with condenser 4, the condenser and Crouse
Acid gas surge tank 5 is connected.
The low pressure carbon disulfide collecting tank 203 for collecting liquid carbon disulphide is additionally provided with the cooling device 2.
The low pressure carbon disulfide collecting tank 203 is the collecting tank of corrosion-resistant and high-temperature resistant.
The detailed process of carbon disulfide condensation：
It is multistage that gas after condensation water removal enters hydrogen sulfide（2 ~ 4 grades）Compressor, is compressed between 0.25 ~ 1.6MPa, level and is provided with
Intercooler, reduction subordinate compression suction temperature, excludes the CS condensed out2Liquid.
Gas after final stage compression enters CS2Condenser, is cooled down with 0 ~ 10 DEG C of chilled brine partition, makes gas cooling to 0 ~ 5
DEG C, isolate remaining moisture and CS2Liquid.CS in gas2Content is reduced to 1% or so, send claus oven to use after decompression.
The CS separated2Liquid delivers to CS after being collected through another collecting tank2Rough measuring tank imported valve, after by again
Refinement treatment.
Embodiment 3：
The recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing highly concentrated waste gas reclaimed water
The knockout 1, the cooling device 2 for cooling down waste gas, compressor 3, condenser 4 and Crouse's acid gas surge tank 5 of part, it is described
The waste gas of high concentration is accessed in one end of knockout 1, and the other end is connected with cooling device 2, and the cooling device 2 includes：Circulating pump
201 and board-like cooling tower 202, the cooling device 2 is connected by compressor 3 with condenser 4, the condenser and Crouse
Acid gas surge tank 5 is connected.
The low pressure carbon disulfide collecting tank 203 for collecting liquid carbon disulphide is additionally provided with the cooling device 2.
The condenser 4 is connected with high pressure carbon disulfide collecting tank 401.
The high pressure carbon disulfide collecting tank 401 is the collecting tank of high-voltage-resistant anti-corrosion.
One end of the condenser 4 is provided with water inlet, and the other end is provided with delivery port, for cooling chilled brine from
Water inlet flows into condenser 4, and condenser 4 is flowed out from delivery port.
The detailed process of carbon disulfide condensation：
It is multistage that gas after condensation water removal enters hydrogen sulfide（2 ~ 4 grades）Compressor, is compressed between 0.25 ~ 1.6MPa, level and is provided with
Intercooler, reduction subordinate compression suction temperature, excludes the CS condensed out2Liquid.
Gas after final stage compression enters CS2Condenser, is cooled down with 0 ~ 10 DEG C of chilled brine partition, makes gas cooling to 0 ~ 5
DEG C, isolate remaining moisture and CS2Liquid.CS in gas2Content is reduced to 1% or so, send claus oven to use after decompression.
The CS separated2Liquid delivers to CS after being collected through another collecting tank2Rough measuring tank imported valve, after by again
Refinement treatment.
Embodiment 4：
The recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing highly concentrated waste gas reclaimed water
The knockout 1, the cooling device 2 for cooling down waste gas, compressor 3, condenser 4 and Crouse's acid gas surge tank 5 of part, it is described
The waste gas of high concentration is accessed in one end of knockout 1, and the other end is connected with cooling device 2, and the cooling device 2 includes：Circulating pump
201 and board-like cooling tower 202, the cooling device 2 is connected by compressor 3 with condenser 4, the condenser and Crouse
Acid gas surge tank 5 is connected.
The low pressure carbon disulfide collecting tank 203 for collecting liquid carbon disulphide is additionally provided with the cooling device 2.
The low pressure carbon disulfide collecting tank 203 is the collecting tank of corrosion-resistant and high-temperature resistant.
One end of the board-like cooling tower 202 is provided with water inlet, and the other end is provided with delivery port, the freezing for cooling
Salt solution flows into board-like cooling tower 202 from water inlet, and board-like cooling tower 202, the waste gas in viscose rayon production are flowed out from delivery port
By the way that the carbon disulfide of part low pressure will be filtered out after cooling device 2.
The detailed process of carbon disulfide condensation：
It is multistage that gas after condensation water removal enters hydrogen sulfide（2 ~ 4 grades）Compressor, is compressed between 0.25 ~ 1.6MPa, level and is provided with
Intercooler, reduction subordinate compression suction temperature, excludes the CS condensed out2Liquid.
Gas after final stage compression enters CS2Condenser, is cooled down with 0 ~ 10 DEG C of chilled brine partition, makes gas cooling to 0 ~ 5
DEG C, isolate remaining moisture and CS2Liquid.CS in gas2Content is reduced to 1% or so, send claus oven to use after decompression.
The CS separated2Liquid delivers to CS after being collected through another collecting tank2Rough measuring tank imported valve, after by again
Refinement treatment.
Embodiment 5：
The recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing highly concentrated waste gas reclaimed water
The knockout 1, the cooling device 2 for cooling down waste gas, compressor 3, condenser 4 and Crouse's acid gas surge tank 5 of part, it is described
The waste gas of high concentration is accessed in one end of knockout 1, and the other end is connected with cooling device 2, and the cooling device 2 includes：Circulating pump
201 and board-like cooling tower 202, the cooling device 2 is connected by compressor 3 with condenser 4, the condenser and Crouse
Acid gas surge tank 5 is connected.
The low pressure carbon disulfide collecting tank 203 for collecting liquid carbon disulphide is additionally provided with the cooling device 2.
The low pressure carbon disulfide collecting tank 203 is the collecting tank of corrosion-resistant and high-temperature resistant.
One end of the board-like cooling tower 202 is provided with water inlet, and the other end is provided with delivery port, the freezing for cooling
Salt solution flows into board-like cooling tower 202 from water inlet, and board-like cooling tower 202, the waste gas in viscose rayon production are flowed out from delivery port
By the way that the carbon disulfide of part low pressure will be filtered out after cooling device 2.
The condenser 4 is connected with high pressure carbon disulfide collecting tank 401.
The high pressure carbon disulfide collecting tank 401 is the collecting tank of high-voltage-resistant anti-corrosion.
The detailed process of carbon disulfide condensation：
It is multistage that gas after condensation water removal enters hydrogen sulfide（2 ~ 4 grades）Compressor, is compressed between 0.25 ~ 1.6MPa, level and is provided with
Intercooler, reduction subordinate compression suction temperature, excludes the CS condensed out2Liquid.
Gas after final stage compression enters CS2Condenser, is cooled down with 0 ~ 10 DEG C of chilled brine partition, makes gas cooling to 0 ~ 5
DEG C, isolate remaining moisture and CS2Liquid.CS in gas2Content is reduced to 1% or so, send claus oven to use after decompression.
The CS separated2Liquid delivers to CS after being collected through another collecting tank2Rough measuring tank imported valve, after by again
Refinement treatment.
Embodiment 6：
The recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing highly concentrated waste gas reclaimed water
The knockout 1, the cooling device 2 for cooling down waste gas, compressor 3, condenser 4 and Crouse's acid gas surge tank 5 of part, it is described
The waste gas of high concentration is accessed in one end of knockout 1, and the other end is connected with cooling device 2, and the cooling device 2 includes：Circulating pump
201 and board-like cooling tower 202, the cooling device 2 is connected by compressor 3 with condenser 4, the condenser and Crouse
Acid gas surge tank 5 is connected.
The low pressure carbon disulfide collecting tank 203 for collecting liquid carbon disulphide is additionally provided with the cooling device 2.
The low pressure carbon disulfide collecting tank 203 is the collecting tank of corrosion-resistant and high-temperature resistant.
One end of the board-like cooling tower 202 is provided with water inlet, and the other end is provided with delivery port, the freezing for cooling
Salt solution flows into board-like cooling tower 202 from water inlet, and board-like cooling tower 202, the waste gas in viscose rayon production are flowed out from delivery port
By the way that the carbon disulfide of part low pressure will be filtered out after cooling device 2.
The condenser 4 is connected with high pressure carbon disulfide collecting tank 401.
The high pressure carbon disulfide collecting tank 401 is the collecting tank of high-voltage-resistant anti-corrosion.
One end of the condenser 4 is provided with water inlet, and the other end is provided with delivery port, for cooling chilled brine from
Water inlet flows into condenser 4, and condenser 4 is flowed out from delivery port.
The detailed process of carbon disulfide condensation：
It is multistage that gas after condensation water removal enters hydrogen sulfide（2 ~ 4 grades）Compressor, is compressed between 0.25 ~ 1.6MPa, level and is provided with
Intercooler, reduction subordinate compression suction temperature, excludes the CS condensed out2Liquid.
Gas after final stage compression enters CS2Condenser, is cooled down with 0 ~ 10 DEG C of chilled brine partition, makes gas cooling to 0 ~ 5
DEG C, isolate remaining moisture and CS2Liquid.CS in gas2Content is reduced to 1% or so, send claus oven to use after decompression.
The CS separated2Liquid delivers to CS after being collected through another collecting tank2Rough measuring tank imported valve, after by again
Refinement treatment.
The beneficial effects of the utility model：
1. the utility model can be used for carbon disulfide and hydrogen sulfide in the industrial multi-site waste gas of viscose glue and acid solution to collect, lead to
Later continue separating step, improve the rate of recovery of carbon disulfide and hydrogen sulfide, the carbon disulfide of recovery can return to viscose glue industrial production,
Vulcanization Hydrogen Energy prepares sulfuric acid or sulfur product, is conducive to the control of production cost.
2. the utility model solves the recovery problem of waste gas in viscose rayon production, while two sulphur of liquid can be recovered to
Change carbon, so greatly save production cost.
3. the utility model solves the organic efficiency due to improving carbon disulfide and hydrogen sulfide, so the utility model
Also the efficiency of viscose rayon production is substantially increased.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to technical spirit of the present utility model to above example, equivalent variations are each fallen within
Within protection domain of the present utility model.
Claims (7)
1. the recovery system of waste gas in a kind of viscose rayon production, it is characterised in that including：For sloughing moisture content in highly concentrated waste gas
Knockout（1）, cooling device for cooling down waste gas（2）, compressor（3）, condenser（4）And Crouse's acid gas surge tank
（5）, the knockout（1）One end access the waste gas of high concentration, the other end and cooling device（2）It is connected, the cooling device
（2）Including：Circulating pump（201）With board-like cooling tower（202）, the cooling device（2）Pass through compressor（3）With condenser（4）
It is connected, the condenser and Crouse's acid gas surge tank（5）It is connected.
The recovery system of waste gas during 2. a kind of viscose rayon is produced according to claim 1, it is characterised in that：The cooling dress
Put（2）Inside it is additionally provided with the low pressure carbon disulfide collecting tank for collecting liquid carbon disulphide（203）.
The recovery system of waste gas during 3. a kind of viscose rayon is produced according to claim 2, it is characterised in that：The low pressure two
Nitric sulfid collecting tank（203）For the collecting tank of corrosion-resistant and high-temperature resistant.
The recovery system of waste gas during 4. a kind of viscose rayon is produced according to claim 1, it is characterised in that：It is described board-like cold
But tower（202）One end be provided with water inlet, the other end is provided with delivery port, for cooling chilled brine from water inlet flow into
Board-like cooling tower（202）, board-like cooling tower is flowed out from delivery port（202）.
The recovery system of waste gas during 5. a kind of viscose rayon is produced according to claim 1, it is characterised in that：The condenser
（4）With high pressure carbon disulfide collecting tank（401）Connection.
The recovery system of waste gas during 6. a kind of viscose rayon is produced according to claim 5, it is characterised in that：The high pressure two
Nitric sulfid collecting tank（401）For the collecting tank of high-voltage-resistant anti-corrosion.
The recovery system of waste gas during 7. a kind of viscose rayon is produced according to claim 1, it is characterised in that：The condenser
（4）One end be provided with water inlet, the other end is provided with delivery port, for cooling chilled brine from water inlet flow into condenser
（4）, condenser is flowed out from delivery port（4）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302657.4U CN206613334U (en) | 2016-11-30 | 2016-11-30 | The recovery system of waste gas in a kind of viscose rayon production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621302657.4U CN206613334U (en) | 2016-11-30 | 2016-11-30 | The recovery system of waste gas in a kind of viscose rayon production |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390673A (en) * | 2016-11-30 | 2017-02-15 | 成都丽雅纤维股份有限公司 | System for recovering waste gas in production of viscose |
| CN110876856A (en) * | 2019-12-11 | 2020-03-13 | 宜宾丝丽雅股份有限公司 | Method and system for condensing and recovering carbon disulfide in viscose fiber production |
| CN111013311A (en) * | 2019-12-26 | 2020-04-17 | 四川深蓝环保科技有限公司 | Advanced treatment system and method for hydrothermal waste gas |
| CN111265969A (en) * | 2020-03-20 | 2020-06-12 | 鹤壁市恒力橡塑股份有限公司 | Method for efficiently recovering carbon disulfide from tail gas |
-
2016
- 2016-11-30 CN CN201621302657.4U patent/CN206613334U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390673A (en) * | 2016-11-30 | 2017-02-15 | 成都丽雅纤维股份有限公司 | System for recovering waste gas in production of viscose |
| CN110876856A (en) * | 2019-12-11 | 2020-03-13 | 宜宾丝丽雅股份有限公司 | Method and system for condensing and recovering carbon disulfide in viscose fiber production |
| CN110876856B (en) * | 2019-12-11 | 2021-12-07 | 宜宾丝丽雅股份有限公司 | Method and system for condensing and recovering carbon disulfide in viscose fiber production |
| CN111013311A (en) * | 2019-12-26 | 2020-04-17 | 四川深蓝环保科技有限公司 | Advanced treatment system and method for hydrothermal waste gas |
| CN111265969A (en) * | 2020-03-20 | 2020-06-12 | 鹤壁市恒力橡塑股份有限公司 | Method for efficiently recovering carbon disulfide from tail gas |
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