CN217988397U - Tail gas treatment device of butyl acrylate refining system - Google Patents
Tail gas treatment device of butyl acrylate refining system Download PDFInfo
- Publication number
- CN217988397U CN217988397U CN202221934221.2U CN202221934221U CN217988397U CN 217988397 U CN217988397 U CN 217988397U CN 202221934221 U CN202221934221 U CN 202221934221U CN 217988397 U CN217988397 U CN 217988397U
- Authority
- CN
- China
- Prior art keywords
- condenser
- pipeline
- jet pump
- steam jet
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a tail gas treatment technical field specifically is a butyl acrylate refining system tail gas processing apparatus. Including the noncondensable gas pipeline from the condenser of refining tower system, the noncondensable gas pipeline from the condenser of dealcoholization tower system, the noncondensable gas pipeline from the condenser of refining tower system passes through the refining tower steam jet pump and links to each other with the one-level condenser, the one-level condenser passes through the second grade steam jet pump and links to each other with the second grade condenser, the second grade condenser passes through tertiary steam jet pump and links to each other with tertiary condenser, tertiary condenser below is equipped with tertiary condenser tail gas pipeline, the noncondensable gas pipeline from the condenser of dealcoholization tower system passes through dealcoholization tower steam jet pump and links to each other with the one-level condenser. The device can further condense and dissolve tail gas, and effectively reduces the pollution of the tail gas to the environment.
Description
Technical Field
The utility model relates to a tail gas treatment technical field specifically is a butyl acrylate refining system tail gas processing apparatus.
Background
The reaction principle for producing butyl acrylate is as follows: adding catalyst p-toluenesulfonic acid into n-butyl alcohol and acrylic acid, heating and reacting in an esterification kettle with a certain vacuum degree to generate a reversible reaction of butyl acrylate and water. Along with the reaction, the crude butyl ester enters a refining system, the refining system mainly comprises a dealcoholization tower and a refining tower, the crude ester treated by the recovery system also contains impurities such as butanol, water, heavy components and the like, and the impurities are removed in the system to obtain a butyl acrylate product with the purity higher than 99.5%. The steam generated by the rectifying tower still has a small amount of non-condensable gas after being condensed by the tower top secondary condenser, and if the non-condensable gas is directly discharged, the environment pollution can be caused.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model aims at providing a system tail gas processing apparatus is refine to butyl acrylate can dissolve the further condensation of tail gas, effectively reduces the pollution of tail gas to the environment.
The utility model discloses a technical scheme who adopts following realizes:
butyl acrylate refining system tail gas processing apparatus, include the noncondensable gas pipeline from refining tower system condenser, the noncondensable gas pipeline from dealcoholization tower system condenser, the noncondensable gas pipeline from refining tower system condenser passes through refining tower steam jet pump and links to each other with the one-level condenser, the one-level condenser passes through the second grade steam jet pump and links to each other with the second grade condenser, the second grade condenser passes through tertiary steam jet pump and links to each other with tertiary condenser, tertiary condenser below is equipped with tertiary condenser tail gas pipeline, the noncondensable gas pipeline from dealcoholization tower system condenser passes through dealcoholization tower steam jet pump and links to each other with the one-level condenser.
The self-refining tower system condenser is characterized in that the upper part of a non-condensable gas pipeline of the self-refining tower system condenser is connected with an air filtering pipeline, the air filtering pipeline is provided with an air compensation adjusting valve, and an air filtering net is arranged at the inlet of the air filtering pipeline.
The inlet of the refining tower steam jet pump is connected with a steam main pipeline through a steam inlet refining tower steam jet pump pipeline, the inlet of the second-stage steam jet pump is connected with the steam main pipeline through a steam inlet second-stage steam jet pump pipeline, the inlet of the third-stage steam jet pump is connected with the steam main pipeline through a steam inlet third-stage steam jet pump pipeline, and the inlet of the dealcoholization tower steam jet pump is connected with the steam main pipeline through a steam inlet dealcoholization tower steam jet pump pipeline.
Refining tower steam jet pump and one-level condenser link to each other through refining tower steam jet pump outlet pipe way, the one-level condenser links to each other through one-level condenser noncondensable gas outlet pipe way with second grade steam jet pump, second grade steam jet pump passes through second grade steam jet pump outlet pipe way with the second grade condenser and links to each other, the second grade condenser passes through second grade condenser noncondensable gas outlet pipe way with tertiary steam jet pump and links to each other, tertiary steam jet pump passes through tertiary steam jet pump outlet pipe way with tertiary condenser and links to each other.
One-level condenser below be equipped with one-level condenser waste liquid pipeline, second grade condenser below is equipped with second grade condenser waste liquid pipeline, third grade condenser below is equipped with third grade condenser waste liquid pipeline, the waste liquid finally discharges to the waste liquid buffer tank to follow-up recovery is recycled.
The one-level condenser lower part be equipped with one-level condenser cooling water inlet pipeline, upper portion is equipped with one-level condenser cooling water outlet pipeline, the second grade condenser lower part is equipped with second grade condenser cooling water inlet pipeline, upper portion is equipped with second grade condenser cooling water outlet pipeline, the tertiary condenser lower part is equipped with tertiary condenser cooling water inlet pipeline, upper portion is equipped with tertiary condenser cooling water outlet pipeline.
And the upper part of the outlet pipeline of the third-stage steam jet pump is connected with a non-condensable gas pipeline of a condenser of the self-dealcoholization tower system through a tail gas compensation pipeline of the dealcoholization tower, and a tail gas compensation regulating valve is arranged on the tail gas compensation pipeline of the dealcoholization tower.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The pollution of tail gas to the environment can be effectively reduced by further treating the tail gas of the refining system;
(2) The tail gas is condensed and dissolved and discharged to a waste liquid buffer tank, so that the later-stage material recovery is facilitated, and the waste of resources is reduced;
(3) The device has mature process, is convenient to operate, is simple and practical, and is favorable for industrial production.
Drawings
FIG. 1 is a schematic structural view of the tail gas treatment device of the butyl acrylate refining system of the present invention;
in the figure: 1. a non-condensable gas pipeline of a condenser of the self-refining tower system; 2. a non-condensable gas pipeline of a condenser of the self-dealcoholization tower system; 3. an air filter screen; 4. an air filtration duct; 5. an air compensation regulating valve; 6. a steam main pipe; 7. the steam enters a dealcoholization tower steam jet pump pipeline; 8. steam enters a steam jet pump pipeline of the refining tower; 9. the steam enters a secondary steam jet pump pipeline; 10. the steam enters a three-stage steam jet pump pipeline; 11. a refining tower steam jet pump; 12. an outlet pipeline of the steam jet pump of the refining tower; 13. a first-stage condenser; 14. a first-stage condenser noncondensable gas outlet pipeline; 15. a secondary steam jet pump; 16. a secondary steam jet pump outlet pipeline; 17. a secondary condenser; 18. a non-condensable gas outlet pipeline of the secondary condenser; 19. a tertiary steam jet pump; 20. a dealcoholization tower tail gas compensation pipeline; 21. a third-stage steam jet pump outlet pipeline; 22. a third-stage condenser; 23. a dealcoholization tower steam jet pump; 24. a primary condenser waste liquid conduit; 25. a primary condenser cooling water inlet pipe; 26. a first-stage condenser cooling water outlet pipeline; 27. a secondary condenser waste liquid pipeline; 28. a secondary condenser cooling water inlet pipeline; 29. a secondary condenser cooling water outlet pipeline; 30. a tertiary condenser waste liquid pipeline; 31. a third-stage condenser cooling water inlet pipeline; 32. a cooling water outlet pipeline of the third-stage condenser; 33. a tertiary condenser tail gas pipeline; 34. tail gas compensation governing valve.
Detailed Description
In order to make the purpose and technical solution of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the tail gas treatment device of the butyl acrylate refining system comprises a non-condensable gas pipeline 1 of a self-refining tower system condenser, a non-condensable gas pipeline 2 of a self-dealcoholization tower system condenser, the non-condensable gas pipeline 1 of the self-refining tower system condenser is connected with a first-stage condenser 13 through a refining tower steam jet pump 11, the first-stage condenser 13 is connected with a second-stage condenser 17 through a second-stage steam jet pump 15, the second-stage condenser 17 is connected with a third-stage condenser 22 through a third-stage steam jet pump 19, a third-stage condenser tail gas pipeline 33 is arranged below the third-stage condenser 22, and the non-condensable gas pipeline 2 of the self-dealcoholization tower system condenser is connected with the first-stage condenser 13 through a dealcoholization tower steam jet pump 23. The upper part of a non-condensable gas pipeline 1 of a condenser of the self-refining tower system is connected with an air filtering pipeline 4, the air filtering pipeline 4 is provided with an air compensation adjusting valve 5, an air filter screen 3 is arranged at the inlet of the air filtering pipeline 4, and the air passes through the air filter screen 3 to filter impurities in the air. An inlet of a refining tower steam jet pump 11 is connected with a steam main pipeline 6 through a steam inlet refining tower steam jet pump pipeline 8, an inlet of a second-stage steam jet pump 15 is connected with the steam main pipeline 6 through a steam inlet second-stage steam jet pump pipeline 9, an inlet of a third-stage steam jet pump 19 is connected with the steam main pipeline 6 through a steam inlet third-stage steam jet pump pipeline 10, and an inlet of a dealcoholization tower steam jet pump 23 is connected with the steam main pipeline 6 through a steam inlet dealcoholization tower steam jet pump pipeline 7.
The refining tower steam jet pump 11 is connected with the first-stage condenser 13 through a refining tower steam jet pump outlet pipeline 12, the first-stage condenser 13 is connected with the second-stage steam jet pump 15 through a first-stage condenser noncondensable gas outlet pipeline 14, the second-stage steam jet pump 15 is connected with the second-stage condenser 17 through a second-stage steam jet pump outlet pipeline 16, the second-stage condenser 17 is connected with the third-stage steam jet pump 19 through a second-stage condenser noncondensable gas outlet pipeline 18, and the third-stage steam jet pump 19 is connected with the third-stage condenser 22 through a third-stage steam jet pump outlet pipeline 21. One-level condenser 13 below is equipped with one-level condenser waste liquid pipeline 24, and second grade condenser 17 below is equipped with second grade condenser waste liquid pipeline 27, and tertiary condenser 22 below is equipped with tertiary condenser waste liquid pipeline 30, and the waste liquid is finally discharged to the waste liquid buffer tank to follow-up recovery recycles. The lower part of the first-level condenser 13 is provided with a first-level condenser cooling water inlet pipeline 25, the upper part is provided with a first-level condenser cooling water outlet pipeline 26, the lower part of the second-level condenser 17 is provided with a second-level condenser cooling water inlet pipeline 28, the upper part is provided with a second-level condenser cooling water outlet pipeline 29, the lower part of the third-level condenser 22 is provided with a third-level condenser cooling water inlet pipeline 31, and the upper part is provided with a third-level condenser cooling water outlet pipeline 32. Tertiary steam jet pump export pipeline 21 top is continuous with noncondensable gas pipeline 2 from dealcoholize tower system condenser through dealcoholize tower tail gas compensation pipeline 20, is equipped with tail gas compensation governing valve 34 on the dealcoholize tower tail gas compensation pipeline 20, and vacuum regulation in the dealcoholize tower, accessible adjust tail gas compensation governing valve 34, and the control is followed second grade condenser 17 and is come out partial noncondensable gas and get into the dealcoholize tower system as the tail gas compensation and realize.
The tail gas treatment device of the butyl acrylate refining system comprises the following steps in work:
(1) The non-condensable gas enters a refining tower steam jet pump 11 through a non-condensable gas pipeline 1 of a self-refining tower system condenser and a non-condensable gas pipeline 2 of a self-dealcoholization tower system condenser, an air compensation regulating valve 5 is opened, the steam enters the steam jet pump, and cooling water enters the condenser; (2) The non-condensable gas enters a first-stage condenser 13 through a refining tower steam jet pump 11 and a dealcoholization tower steam jet pump 23, a liquid phase enters a next device through a first-stage condenser waste liquid pipeline 24 after condensation, a gas phase enters a second-stage condenser 17 through a second-stage steam jet pump 15, and a liquid phase enters the next device through a second-stage condenser waste liquid pipeline 27 after condensation; (3) And a part of the gas phase condensed by the second-stage condenser 17 enters the non-condensable gas pipeline 2 of the condenser of the self-dealcoholization tower system through a tail gas compensation pipeline 20 of the dealcoholization tower to be used as tail gas compensation, the other part of the gas phase enters the third-stage condenser 22, the condensed liquid phase enters the next device through a waste liquid pipeline 30 of the third-stage condenser, and the gas phase enters the next device through a tail gas pipeline 33 of the third-stage condenser.
Claims (7)
1. The utility model provides a butyl acrylate refining system tail gas processing apparatus, a serial communication port, including noncondensable gas pipeline (1) from refining tower system condenser, noncondensable gas pipeline (2) from dealcoholization tower system condenser, noncondensable gas pipeline (1) from refining tower system condenser links to each other with one-level condenser (13) through refining tower steam jet pump (11), one-level condenser (13) link to each other with second grade condenser (17) through second grade steam jet pump (15), second grade condenser (17) link to each other with tertiary condenser (22) through tertiary steam jet pump (19), tertiary condenser (22) below is equipped with tertiary condenser tail gas pipeline (33), noncondensable gas pipeline (2) from dealcoholization tower system condenser link to each other with one-level condenser (13) through dealcoholization tower steam jet pump (23).
2. The tail gas treatment device of the butyl acrylate refining system according to claim 1, wherein the upper part of the noncondensable gas pipeline (1) of the condenser of the self-refining tower system is connected with an air filtering pipeline (4), the air filtering pipeline (4) is provided with an air compensation adjusting valve (5), and an air filtering screen (3) is arranged at the inlet of the air filtering pipeline (4).
3. The tail gas treatment device of the butyl acrylate refining system according to claim 1, wherein the inlet of the refining tower steam jet pump (11) is connected with the steam main pipeline (6) through a steam inlet refining tower steam jet pump pipeline (8), the inlet of the secondary steam jet pump (15) is connected with the steam main pipeline (6) through a steam inlet secondary steam jet pump pipeline (9), the inlet of the tertiary steam jet pump (19) is connected with the steam main pipeline (6) through a steam inlet tertiary steam jet pump pipeline (10), and the inlet of the dealcoholization tower steam jet pump (23) is connected with the steam main pipeline (6) through a steam inlet dealcoholization tower steam jet pump pipeline (7).
4. The tail gas treatment device of a butyl acrylate refining system according to claim 3, wherein the refining tower steam jet pump (11) is connected with the first-stage condenser (13) through a refining tower steam jet pump outlet pipeline (12), the first-stage condenser (13) is connected with the second-stage steam jet pump (15) through a first-stage condenser noncondensable gas outlet pipeline (14), the second-stage steam jet pump (15) is connected with the second-stage condenser (17) through a second-stage steam jet pump outlet pipeline (16), the second-stage condenser (17) is connected with the third-stage steam jet pump (19) through a second-stage condenser noncondensable gas outlet pipeline (18), and the third-stage steam jet pump (19) is connected with the third-stage condenser (22) through a third-stage steam jet pump outlet pipeline (21).
5. The tail gas treatment device for the butyl acrylate refining system according to claim 4, wherein a primary condenser waste liquid pipeline (24) is arranged below the primary condenser (13), a secondary condenser waste liquid pipeline (27) is arranged below the secondary condenser (17), and a tertiary condenser waste liquid pipeline (30) is arranged below the tertiary condenser (22).
6. The tail gas treatment device of the butyl acrylate refining system according to claim 4, wherein the lower part of the first-stage condenser (13) is provided with a first-stage condenser cooling water inlet pipeline (25), the upper part of the first-stage condenser cooling water inlet pipeline (26) is provided with a first-stage condenser cooling water outlet pipeline (26), the lower part of the second-stage condenser (17) is provided with a second-stage condenser cooling water inlet pipeline (28), the upper part of the second-stage condenser cooling water inlet pipeline (29) is provided with a second-stage condenser cooling water outlet pipeline (29), the lower part of the third-stage condenser (22) is provided with a third-stage condenser cooling water inlet pipeline (31), and the upper part of the third-stage condenser cooling water inlet pipeline (32).
7. The tail gas treatment device of the butyl acrylate refining system according to claim 4, wherein the upper part of the outlet pipeline (21) of the three-stage steam jet pump is connected with the noncondensable gas pipeline (2) of the condenser of the self-dealcoholization tower system through a tail gas compensation pipeline (20) of the dealcoholization tower, and the tail gas compensation pipeline (20) of the dealcoholization tower is provided with a tail gas compensation regulating valve (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221934221.2U CN217988397U (en) | 2022-07-26 | 2022-07-26 | Tail gas treatment device of butyl acrylate refining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221934221.2U CN217988397U (en) | 2022-07-26 | 2022-07-26 | Tail gas treatment device of butyl acrylate refining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217988397U true CN217988397U (en) | 2022-12-09 |
Family
ID=84316612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221934221.2U Active CN217988397U (en) | 2022-07-26 | 2022-07-26 | Tail gas treatment device of butyl acrylate refining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217988397U (en) |
-
2022
- 2022-07-26 CN CN202221934221.2U patent/CN217988397U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100525874C (en) | Six-column differential-pressure distillation device for extra edible alcohol and process therefor | |
| CN106083526B (en) | Ethyl alcohol recycles the system and method for automation control | |
| CN107445802B (en) | Method for recovering ethylene glycol and acetaldehyde from polyester wastewater | |
| CN109179542B (en) | Distillation system and distillation process for glycol and diethylene glycol in polyol waste liquid | |
| CN208275203U (en) | Organic waste gas recycling system in a kind of cyclohexanol production | |
| CN105152863B (en) | Method for recovering ethylene glycol and acetaldehyde from polyester wastewater | |
| CN217988397U (en) | Tail gas treatment device of butyl acrylate refining system | |
| CN111821821A (en) | Fusel oil recycling device and method in methanol production | |
| CN111544914A (en) | Coal gasification low pressure black water flash distillation heat recovery system | |
| CN217163255U (en) | A rectification equipment that is arranged in N-methylaniline production methyl alcohol to retrieve | |
| CN213760536U (en) | Liquid purifying equipment | |
| CN211972044U (en) | Surplus aqueous ammonia processing apparatus in coking process | |
| CN209828309U (en) | Tetrahydrofuran low-emission recovery system | |
| CN211522068U (en) | System for producing fuel ethanol by using double-coarse single-fine three-tower distillation low-concentration fermented mash | |
| CN203558989U (en) | Extraction system for polyoxymethylene dimethyl ether preparation device | |
| CN219023294U (en) | Methacrylic acid purifying device | |
| CN102249298A (en) | TiCl4 production system and filtering equipment based on TiAl intermetallic compound porous material | |
| CN212594874U (en) | Fusel oil cyclic utilization device in methanol production | |
| CN216755427U (en) | Rectifying device in process of producing polyester-grade ethylene glycol | |
| CN216778419U (en) | Novel cyclohexane recovery system in latex production process | |
| CN215462079U (en) | System for preparing fuel ethanol by using low-concentration industrial alcohol | |
| CN220194017U (en) | Crude methanol three-tower three-effect heat pump refining process device | |
| CN214714427U (en) | Alcohol recovery feeding system | |
| CN214734649U (en) | Ammonia removal system of coal gasification device | |
| CN214991235U (en) | Energy-saving device for refining cyclohexanol and cyclohexanone in cyclohexanone production process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |