CN221084704U - Condensation recovery device for crotonic anhydride synthesis tail gas - Google Patents
Condensation recovery device for crotonic anhydride synthesis tail gas Download PDFInfo
- Publication number
- CN221084704U CN221084704U CN202323068491.7U CN202323068491U CN221084704U CN 221084704 U CN221084704 U CN 221084704U CN 202323068491 U CN202323068491 U CN 202323068491U CN 221084704 U CN221084704 U CN 221084704U
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- Prior art keywords
- condensing
- tank
- tail gas
- recycling
- cleaning
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- 238000011084 recovery Methods 0.000 title claims abstract description 43
- 238000009833 condensation Methods 0.000 title claims abstract description 31
- 230000005494 condensation Effects 0.000 title claims abstract description 31
- VJDDQSBNUHLBTD-GGWOSOGESA-N [(e)-but-2-enoyl] (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(=O)\C=C\C VJDDQSBNUHLBTD-GGWOSOGESA-N 0.000 title claims abstract description 21
- VJDDQSBNUHLBTD-UHFFFAOYSA-N trans-crotonic acid-anhydride Natural products CC=CC(=O)OC(=O)C=CC VJDDQSBNUHLBTD-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000003786 synthesis reaction Methods 0.000 title claims description 14
- 230000015572 biosynthetic process Effects 0.000 title claims description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 44
- 238000004064 recycling Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- PGZVFRAEAAXREB-UHFFFAOYSA-N 2,2-dimethylpropanoyl 2,2-dimethylpropanoate Chemical compound CC(C)(C)C(=O)OC(=O)C(C)(C)C PGZVFRAEAAXREB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a condensing and recycling device for crotonic anhydride synthesized tail gas, which comprises a recycling tank and a condensing tank arranged at the upper end of the recycling tank, wherein the recycling tank is communicated with the condensing tank through a material guide opening, a recycling mechanism is arranged in the recycling tank, the condensing tank is internally provided with a condensing mechanism, the condensing mechanism comprises an air inlet pipeline, a condensing coil pipe, an air outlet pipeline, a driving motor, an incomplete gear, a vertical mounting plate, a reciprocating sliding frame, a reciprocating rotating shaft, a transmission gear and an n-type cleaning brush plate, and the recycling mechanism comprises a filtering net cover, a cleaning shaft and a group of cleaning scrapers. The utility model has the beneficial effects that the circulating pipeline is matched with the condensing coil pipe to carry out repeated circulating condensation recovery on the tail gas, the tail gas condensation recovery effect is improved, the n-type cleaning brush plate is driven by the reciprocating rotating shaft to automatically clean the impurities adhered on the surface of the condensing coil pipe, the recovery mechanism adopts the filtering net cover to filter the impurities in condensed liquid, and a group of cleaning scraping plates can automatically clean the filtering net cover.
Description
Technical Field
The utility model relates to the field of crotonic anhydride synthesis, in particular to a crotonic anhydride synthesis tail gas condensation recovery device.
Background
Crotonic anhydride is a chemical substance with a molecular formula of C8H10O3, and is mainly used for preparing synthetic resin, plasticizer and medicine, and is also used for other organic synthesis. In the process of synthesizing the crotonic anhydride, the crude pivalic anhydride (crotonic anhydride) is required to be placed into a rectifying still for reduced pressure rectification, and the pivalic anhydride (crotonic anhydride) is refined.
In the synthesis process of crotonic anhydride, the tail gas discharged from the outlet of the Roots vacuum unit for providing vacuum for reduced pressure rectification can be condensed back by a condenser, and the materials in the tail gas can be put into a synthesis kettle for reuse. The tail gas condensation recovery unit in the present market adopts condensing coil to condense the recovery to tail gas mostly, and condensing coil uses for a long time, and the impurity in the easy adhesion tail gas in surface influences condensation recovery effect, and artifical clearance is hard with high effort.
The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.
Disclosure of utility model
Aiming at the defects, the utility model provides a crotonic anhydride synthesis tail gas condensing and recycling device, which aims to solve the problem of condensing and recycling the crotonic anhydride synthesis tail gas.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The device comprises a recovery tank and a condensation tank arranged at the upper end of the recovery tank, wherein the recovery tank is communicated with the condensation tank through a material guide opening, a recovery mechanism is arranged in the recovery tank, and a condensation mechanism is arranged in the condensation tank;
The condensing mechanism comprises an air inlet pipeline, a condensing coil, an exhaust pipeline, a driving motor, an incomplete gear, a vertical mounting plate, a reciprocating sliding frame, a reciprocating rotating shaft, a transmission gear and an n-type cleaning brush plate, wherein the air inlet pipeline is inserted into the left side of the upper end of the recovery tank, the condensing coil is installed in the condensing tank, the exhaust pipeline is inserted into the left side of the upper end of the condensing tank, the driving motor is installed on the condensing tank, the rotating end is vertical upwards, the incomplete gear is installed on the rotating end of the driving motor, the vertical mounting plate is installed at the rear end of the condensing tank, the rear end of the reciprocating sliding frame is slidably installed on the vertical mounting plate, the reciprocating rotating shaft is movably inserted into the center of the upper end of the condensing tank, the transmission gear is installed at the upper end of the reciprocating rotating shaft, and the n-type cleaning brush plate is installed on one side of the reciprocating rotating shaft and is attached to the condensing coil.
Further, retrieve mechanism includes filter screen cover, clearance axle and a set of clearance scraper blade, the filter screen cover is installed in retrieving jar, and is the toper, the clearance axle is installed in reciprocal axis of rotation bottom, and a set of clearance scraper blade is installed in clearance axle both sides, and bottom and filter screen cover laminating.
Further, the upper end of the cleaning shaft is connected with the reciprocating rotating shaft through a coupler.
Furthermore, a circulating pipeline communicated with the recovery tank is inserted on the right side of the condensation tank, and a circulating fan is installed on the circulating pipeline.
Further, a group of inner racks meshed with the incomplete gear are arranged at the two ends in the reciprocating sliding frame, and an outer rack meshed with the transmission gear is arranged at the front end of the reciprocating sliding frame.
Further, the right side of the recovery tank is provided with an impurity cleaning port corresponding to the filtering net cover, and the bottom of the recovery tank is provided with a liquid outlet.
The utility model provides a condensing and recycling device for crotonic anhydride synthesized tail gas, which has the advantages that a condensing mechanism in a condensing tank is matched with a condensing coil pipe by adopting a circulating pipeline to circularly condense and recycle the tail gas for a plurality of times, so that the condensing and recycling effect of the tail gas is improved, an n-type cleaning brush plate is driven by a reciprocating rotating shaft to automatically clean impurities adhered to the surface of the condensing coil pipe, a filtering screen is adopted by the recycling mechanism to filter impurities in condensed liquid, and a group of cleaning scrapers can automatically clean the filtering screen, so that the condensing device is convenient to use.
Drawings
FIG. 1 is a schematic diagram of a condensing and recycling device for crotonic anhydride synthesis tail gas.
Fig. 2 is a schematic diagram of the transmission of the reciprocating rotary shaft according to the present utility model.
FIG. 3 is a schematic view of an n-type cleaning brush plate according to the present utility model.
Fig. 4 is a top view of the condensing coil of the present utility model.
Fig. 5 is a top view of the filter screen according to the present utility model.
In the figure: 1. a recovery tank; 2. a condensing tank; 3. a material guiding port; 4. an air intake duct; 5. a condensing coil; 6. an exhaust duct; 7. a driving motor; 8. an incomplete gear; 9. a vertical mounting plate; 10. a reciprocating sliding frame; 11. a reciprocating rotary shaft; 12. a transmission gear; 13. an n-type cleaning brush plate; 14. filtering the net cover; 15. cleaning a shaft; 16. cleaning a scraping plate; 17. a coupling; 18. a circulation pipe; 19. a circulating fan; 20. an inner rack; 21. an outer rack; 22. an impurity cleaning port; 23. and a liquid outlet.
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings, as shown in fig. 1-5: the utility model provides a crotonic anhydride synthesis tail gas condensation recovery device, includes recovery jar 1 and installs the condensation jar 2 in recovery jar 1 upper end, recovery jar 1 and condensation jar 2 pass through guide port 3 intercommunication, be equipped with recovery mechanism in the recovery jar 1, be equipped with condensation mechanism in the condensation jar 2; the condensing mechanism comprises an air inlet pipeline 4, a condensing coil 5, an air exhaust pipeline 6, a driving motor 7, an incomplete gear 8, a vertical mounting plate 9, a reciprocating sliding frame 10, a reciprocating rotating shaft 11, a transmission gear 12 and an n-type cleaning brush plate 13, wherein the air inlet pipeline 4 is inserted into the left side of the upper end of the recovery tank 1, the condensing coil 5 is arranged in the condensing tank 2, the air exhaust pipeline 6 is inserted into the left side of the upper end of the condensing tank 2, the driving motor 7 is arranged on the condensing tank 2, the rotating end of the driving motor is vertically upwards, the incomplete gear 8 is arranged on the rotating end of the driving motor 7, the vertical mounting plate 9 is arranged at the upper rear end of the condensing tank 2, the rear end of the reciprocating sliding frame 10 is slidably arranged on the vertical mounting plate 9, the reciprocating rotating shaft 11 is movably inserted into the center of the upper end of the condensing tank 2, the transmission gear 12 is arranged at the upper end of the reciprocating rotating shaft 11, and the n-type cleaning brush plate 13 is arranged on one side of the reciprocating rotating shaft 11 and is attached to the condensing coil 5; the recovery mechanism comprises a filter screen 14, a cleaning shaft 15 and a group of cleaning scrapers 16, wherein the filter screen 14 is installed in the recovery tank 1 and is conical, the cleaning shaft 15 is installed at the bottom of the reciprocating rotating shaft 11, the group of cleaning scrapers 16 are installed at two sides of the cleaning shaft 15, and the bottom of the cleaning scrapers is attached to the filter screen 14; the upper end of the cleaning shaft 15 is connected with the reciprocating rotating shaft 11 through a coupler 17; a circulating pipeline 18 communicated with the recovery tank 1 is inserted on the right side of the condensation tank 2, and a circulating fan 19 is arranged on the circulating pipeline 18; a group of internal tooth bars 20 meshed with the incomplete gear 8 are arranged at the two ends in the reciprocating sliding frame 10, and an external tooth bar 21 meshed with the transmission gear 12 is arranged at the front end of the reciprocating sliding frame 10; the right side of the recovery tank 1 is provided with an impurity cleaning port 22 corresponding to the filter screen 14, and the bottom is provided with a liquid outlet 23.
The working principle of the embodiment is as follows: the electric equipment used by the device is controlled by an external controller, and the tail gas discharged from the outlet of the Roots vacuum unit is pumped into the recovery tank 1 through the air inlet pipeline 4;
Condensing: the condensing coil 5 is arranged in the condensing tank 2, the exhaust pipeline 6 is inserted into the left side of the upper end of the condensing tank 2, the driving motor 7 is arranged on the condensing tank 2, the rotating end is vertical upwards, the incomplete gear 8 is arranged on the rotating end of the driving motor 7, the vertical mounting plate 9 is arranged at the upper rear end of the condensing tank 2, the rear end of the reciprocating sliding frame 10 is slidingly arranged on the vertical mounting plate 9, the reciprocating rotating shaft 11 is movably inserted into the center of the upper end of the condensing tank 2 through a fastening bearing, the transmission gear 12 is arranged at the upper end of the reciprocating rotating shaft 11, the n-type cleaning brush plate 13 is arranged on one side of the reciprocating rotating shaft 11 and is attached to the condensing coil 5, the right side of the condensing tank 2 is inserted with the circulating pipeline 18 communicated with the recycling tank 1, the circulating fan 19 is arranged on the circulating pipeline 18, the inner ends of the reciprocating sliding frame 10 are provided with a group of inner tooth bars 20 meshed with the incomplete gear 8, the front end of the reciprocating sliding frame 10 is provided with an external rack 21 meshed with a transmission gear 12, as shown in fig. 1-4, the exhaust pipeline 6 is provided with a control valve, the exhaust pipeline 6 is in a closed state initially, the condensation coil 5 condenses the ascending tail gas first, the circulating fan 19 pumps the tail gas in the condensation tank 2 into the recovery tank 1 again through the circulating pipeline 18 to condense again, the circulating pipeline 18 cooperates with the condensation coil 5 to perform repeated circulating condensation recovery on the tail gas, the tail gas condensation recovery effect is improved, when impurities adhered to the surface of the condensation coil 5 need to be cleaned, the driving motor 7 drives the reciprocating sliding frame 10 to slide left and right in a reciprocating manner through the incomplete gear 8, the reciprocating sliding frame 10 can drive the reciprocating rotating shaft 11 to rotate in a reciprocating manner through the transmission gear 12, so that the n-type cleaning brush 13 can automatically clean the impurities adhered to the surface of the condensation coil 5, the rotation angle of the n-type cleaning brush plate 13 is +/-160 degrees;
When recycling, the method comprises the following steps: the filter screen cover 14 is installed in the recovery tank 1 and is conical, the cleaning shaft 15 is installed at the bottom of the reciprocating rotating shaft 11, a group of cleaning scraping plates 16 are installed on two sides of the cleaning shaft 15, the bottom is attached to the filter screen cover 14, the upper end of the cleaning shaft 15 is connected with the reciprocating rotating shaft 11 through the coupler 17, as shown in fig. 5, a plurality of filtering holes are uniformly formed in the filter screen cover 14, impurities in condensed liquid can be filtered, and the cleaning shaft 15 drives the group of cleaning scraping plates 16 to automatically clean the filter screen cover 14, so that the filter screen cover 14 is convenient to use.
The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.
Claims (6)
1. The utility model provides a crotonic anhydride synthesis tail gas condensation recovery device, includes recovery jar (1) and installs condensation tank (2) in recovery jar (1) upper end, recovery jar (1) and condensation tank (2) are through guide mouth (3) intercommunication, characterized in that, be equipped with recovery mechanism in recovery jar (1), be equipped with condensation mechanism in condensation tank (2);
The condensing mechanism comprises an air inlet pipeline (4), a condensing coil (5), an exhaust pipeline (6), a driving motor (7), an incomplete gear (8), a vertical mounting plate (9), a reciprocating sliding frame (10), a reciprocating rotating shaft (11), a transmission gear (12) and an n-type cleaning brush plate (13), wherein the air inlet pipeline (4) is inserted into the left side of the upper end of the recovery tank (1), the condensing coil (5) is installed in the condensing tank (2), the exhaust pipeline (6) is inserted into the left side of the upper end of the condensing tank (2), the driving motor (7) is installed on the condensing tank (2), the rotating end of the driving motor (7) faces upwards vertically, the incomplete gear (8) is installed on the rotating end of the driving motor (7), the vertical mounting plate (9) is installed at the upper rear end of the condensing tank (2), the rear end of the reciprocating sliding frame (10) is slidably installed on the vertical mounting plate (9), the reciprocating rotating shaft (11) is movably inserted into the center of the upper end of the condensing tank (2), the transmission gear (12) is installed on the reciprocating rotating shaft (11), and the n-type cleaning brush plate (11) is installed on one side of the reciprocating rotating shaft (11).
2. The condensing and recycling device for crotonic anhydride synthesized tail gas according to claim 1, wherein the recycling mechanism comprises a filtering net cover (14), a cleaning shaft (15) and a group of cleaning scrapers (16), the filtering net cover (14) is installed in the recycling tank (1) and is conical, the cleaning shaft (15) is installed at the bottom of the reciprocating rotating shaft (11), the group of cleaning scrapers (16) are installed at two sides of the cleaning shaft (15), and the bottom is attached to the filtering net cover (14).
3. The crotonic anhydride synthesis tail gas condensing and recycling device according to claim 2, characterized in that the upper end of the cleaning shaft (15) is connected with the reciprocating rotating shaft (11) through a coupling (17).
4. The condensing and recycling device for crotonic anhydride synthesis tail gas according to claim 1, wherein a circulating pipeline (18) communicated with the recycling tank (1) is inserted on the right side of the condensing tank (2), and a circulating fan (19) is installed on the circulating pipeline (18).
5. The condensation recovery device for crotonic anhydride synthesized tail gas according to claim 1, wherein a group of internal tooth bars (20) meshed with the incomplete gear (8) are arranged at two ends in the reciprocating sliding frame (10), and an external tooth bar (21) meshed with the transmission gear (12) is arranged at the front end of the reciprocating sliding frame (10).
6. The condensing and recycling device for crotonic anhydride synthesized tail gas according to claim 1, wherein the right side of the recycling tank (1) is provided with an impurity cleaning port (22) corresponding to the filtering net cover (14), and the bottom is provided with a liquid outlet (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323068491.7U CN221084704U (en) | 2023-11-14 | 2023-11-14 | Condensation recovery device for crotonic anhydride synthesis tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323068491.7U CN221084704U (en) | 2023-11-14 | 2023-11-14 | Condensation recovery device for crotonic anhydride synthesis tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221084704U true CN221084704U (en) | 2024-06-07 |
Family
ID=91328681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323068491.7U Active CN221084704U (en) | 2023-11-14 | 2023-11-14 | Condensation recovery device for crotonic anhydride synthesis tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221084704U (en) |
-
2023
- 2023-11-14 CN CN202323068491.7U patent/CN221084704U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |