CN220327964U - Incomplete cauldron condensation receiving arrangement of keeping in of cauldron for acetonitrile production - Google Patents
Incomplete cauldron condensation receiving arrangement of keeping in of cauldron for acetonitrile production Download PDFInfo
- Publication number
- CN220327964U CN220327964U CN202321868440.XU CN202321868440U CN220327964U CN 220327964 U CN220327964 U CN 220327964U CN 202321868440 U CN202321868440 U CN 202321868440U CN 220327964 U CN220327964 U CN 220327964U
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- Prior art keywords
- fixed
- condensation
- cauldron
- acetonitrile
- kettle
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- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 238000009833 condensation Methods 0.000 title claims abstract description 62
- 230000005494 condensation Effects 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000000203 mixture Substances 0.000 abstract description 13
- 238000000605 extraction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a condensation receiving device of a temporary kettle for kettle residue in acetonitrile production, which belongs to the technical field of acetonitrile production and processing and aims at solving the problems that in the prior art, a mixture in a reaction kettle is easy to be heated unevenly and is unfavorable for acetonitrile extraction; according to the utility model, through the arrangement of the structures such as the driving motor, the first rotating shaft, the second gear, the annular rack, the connecting rod, the annular clamping groove, the first rotating shaft and the first stirring rod, the effect of fully mixing the acetonitrile mixture in the kettle body is realized, so that the liquid in the kettle body is heated more uniformly, the condensation and extraction work of acetonitrile are facilitated, the evaporated acetonitrile enters the condensation elbow from the guide pipe, the condensation elbow is condensed by the condensation box, the condensation elbow condenses the acetonitrile, and the condensed liquid flows into the collecting box from the corrugated pipe for collection.
Description
Technical Field
The utility model belongs to the technical field of acetonitrile production and processing, and particularly relates to a kettle residue temporary storage kettle condensation receiving device for acetonitrile production.
Background
Acetonitrile is a transparent colorless polar solution with very high dielectric constant, is easily dissolved in water and other organic solvents, is insoluble in saturated hydrocarbon solutions, is used as an organic chemical raw material with quite wide application, and is mainly used as a solvent, such as an extractant for extracting isoprene and butadiene from olefin and alkane, a spinning solvent for synthesizing fibers, and the like, and can also be used as a mobile phase solvent for organic synthesis, pharmacy, chromatographic analysis, and the like. Industrially, the production method of acetonitrile includes one-step synthesis method of acetic acid and ammonia, production method of removing acetamide and phosphorus pentoxide, by-product method of propylene ammoxidation, alcohol synthesis method and the like.
In the prior art, the market supply of acetonitrile is mainly derived from byproducts in the process of producing acrylonitrile by ammoxidation of propylene, and 0.02-0.03 ton of acetonitrile can be produced as a byproduct in the production of 1 ton of acrylonitrile. The crude acetonitrile as by-product is a very complex aqueous solution mixture of components, the main components of which are water and acetonitrile. Acetonitrile mixture in the reation kettle need collect through the condensation, carries out the finish machining of next step again, but reation kettle is when heating easy the inhomogeneous condition of heating that appears for acetonitrile mixture extraction efficiency is slower.
Therefore, a kettle residue temporary storage kettle condensation receiving device for acetonitrile production is needed, and the problem that a mixture in a reaction kettle in the prior art is easy to be heated unevenly and is unfavorable for acetonitrile extraction is solved.
Disclosure of Invention
The utility model aims to provide a condensation receiving device of a temporary residual kettle for acetonitrile production, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a incomplete cauldron of cauldron condensation receiving arrangement for acetonitrile production, includes the cauldron body, the bottom fixed mounting of the cauldron body has annular heating piece, the top of the cauldron body is provided with the cauldron lid, fixed mounting has driving motor in the middle of the top of cauldron lid, driving motor's output shaft is fixed with first pivot, the outside upper end of first pivot is fixed with the second gear, the bottom of cauldron lid is fixed with annular rack, annular draw-in groove has been seted up to the bottom of cauldron lid, the annular draw-in groove inner wall sliding connection of cauldron lid has the connecting rod, the bottom of connecting rod is fixed with first gear, first gear is located between annular rack and the second gear, first gear, second gear and annular rack meshing transmission, annular rack's bottom is fixed with annular limiting plate, the outside of first pivot and second pivot is fixed with a plurality of first puddlers and second puddler respectively, one side of the cauldron body is provided with condensing mechanism.
In the scheme, it is to be noted that, the condensation mechanism is including fixing the bracing piece in the external side of cauldron, the one end of bracing piece is fixed with the condensing box, the top of condensing box is fixed with the pipe, the one end of pipe stretches into the cauldron internally, the inside of condensing box is provided with the condensation return bend, the bottom of condensing box is fixed with the bellows, the upper end and the pipe of condensation return bend are fixed, the lower extreme and the bellows of condensation return bend are fixed, the outside of the cauldron body is provided with the layer board, the top sliding connection of layer board has the collecting box, the bottom of bellows and the opening part grafting of collecting box.
It is further worth to say that the top one side of condensing-tank is fixed with the circulating pump, the inlet end of circulating pump is fixed with the connecting pipe, the lower extreme of connecting pipe is fixed with the bottom of condensing-tank, the outlet end of circulating pump is fixed with the outlet pipe, the outlet pipe stretches into in the condensing-tank.
It should be further noted that a valve is fixedly installed on the outer side of the guide pipe, and a water inlet pipe is fixed on the top of the condensing box.
As a preferable implementation mode, the connecting ring is fixedly sleeved on the outer side of the kettle body, a plurality of supporting legs are fixedly arranged at the bottom of the connecting ring, and one side of the supporting plate is fixedly connected with the connecting ring.
As a preferred implementation mode, a plurality of limit bolts are connected to the top threads of the kettle cover, and the kettle cover is connected with the kettle body through the limit bolts.
Compared with the prior art, the kettle residue temporary storage kettle condensation receiving device for acetonitrile production provided by the utility model at least comprises the following beneficial effects:
(1) Through driving motor, first pivot, second gear, annular rack, connecting rod, annular draw-in groove, first pivot and first puddler isotructure's setting, realized carrying out intensive mixing's effect to the internal acetonitrile mixture of cauldron for the internal liquid of cauldron is heated more evenly, is favorable to the condensation of acetonitrile to draw work, and the acetonitrile after the evaporation gets into in the condensation return bend from the pipe, and the condensation return bend passes through the condensation of condensing box, makes the condensation return bend condense acetonitrile, and the liquid after the condensation is collected in the bellows inflow collecting box.
(2) By starting the circulating pump, the circulating pump guides the water in the condensing box from the connecting pipe to the water outlet pipe and then enters the condensing box, so that the circulation of the water in the condensing box is realized, and the condensing effect of the condensing bent pipe is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a partial cross-sectional view of the structure of the present utility model;
FIG. 3 is a schematic view of the stirring mechanism of the present utility model;
FIG. 4 is a schematic view of a partial structure of the stirring mechanism of the present utility model;
fig. 5 is a schematic view of the structure of the second rotating shaft, the first gear and the connecting rod according to the present utility model.
In the figure: 1. a kettle body; 2. a kettle cover; 3. a driving motor; 4. a conduit; 5. a valve; 6. a water inlet pipe; 7. a circulation pump; 8. a condensing box; 9. a connecting pipe; 10. a bellows; 11. a collection box; 12. a supporting plate; 13. a connecting ring; 14. support legs; 15. a water outlet pipe; 16. a condensing elbow; 17. an annular heating block; 18. an annular rack; 19. an annular limiting plate; 20. a first gear; 21. a second gear; 22. a first rotating shaft; 23. a first stirring rod; 24. a second rotating shaft; 25. a second stirring rod; 26. an annular clamping groove; 27. and (5) connecting a rod.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-5, the utility model provides a kettle residue temporary storage kettle condensation receiving device for acetonitrile production, which comprises a kettle body 1, a ring-shaped heating block 17 is fixedly arranged at the bottom of the kettle body 1, a kettle cover 2 is arranged at the top of the kettle body 1, a driving motor 3 is fixedly arranged in the middle of the top of the kettle cover 2, a first rotating shaft 22 is fixed on an output shaft of the driving motor 3, a second gear 21 is fixed at the upper end of the outer side of the first rotating shaft 22, a ring-shaped rack 18 is fixed at the bottom of the kettle cover 2, a ring-shaped clamping groove 26 is formed in the bottom of the kettle cover 2, a connecting rod 27 is connected to the inner wall of the ring-shaped clamping groove 26 of the kettle cover 2 in a sliding manner, a first gear 20 is fixed at the bottom of the connecting rod 27, the first gear 20 is positioned between the ring-shaped rack 18 and the second gear 21, the first gear 20, the second gear 21 and the ring-shaped rack 18 are in meshed transmission, a plurality of first stirring rods 23 and second stirring rods 25 are respectively fixed at the outer sides of the first rotating shaft 22 and the second rotating shaft 24, the driving motor 3 drives the first gear 22 to rotate, so that the second gear 21 is driven by the first stirring rods 21, and the first stirring rods 20 rotate along the first rotating shaft 20, and the first stirring rods 20 rotate the first stirring rods and the first stirring rods 20, and the first stirring rods 20 rotate the first rotating shafts and the first rotating shafts 24, and the first stirring rods 20 and rotate, and the first stirring rods and rotate 1 and 20 and rotate; one side of the kettle body 1 is provided with a condensing mechanism.
Further, as shown in fig. 1 and 2, it is worth specifically explaining that the condensing mechanism comprises a supporting rod fixed on the outer side of the kettle body 1, one end of the supporting rod is fixed with a condensing box 8, the top of the condensing box 8 is fixed with a guide pipe 4, one end of the guide pipe 4 stretches into the kettle body 1, a condensing elbow 16 is arranged in the condensing box 8, a corrugated pipe 10 is fixed at the bottom of the condensing box 8, the upper end of the condensing elbow 16 is fixed with the guide pipe 4, the lower end of the condensing elbow 16 is fixed with the corrugated pipe 10, a supporting plate 12 is arranged on the outer side of the kettle body 1, the top of the supporting plate 12 is connected with a collecting box 11 in a sliding manner, the bottom end of the corrugated pipe 10 is spliced with an opening of the collecting box 11, the corrugated pipe 10 can be conveniently stretched and contracted, and personnel operation is facilitated; after the kettle body 1 is heated, the acetonitrile residual liquid in the kettle body 1 is evaporated, the evaporated acetonitrile enters the condensation elbow 16 from the guide pipe 4, the condensation elbow 16 is condensed by the condensation box 8, the condensation elbow 16 condenses the acetonitrile, and the condensed liquid flows into the collecting box 11 from the corrugated pipe 10 for collection.
The scheme comprises the following working processes: acetonitrile mixture in the reation kettle need collect through the condensation, carry out the finish machining of next step again, but reation kettle is when heating easy to appear heating inhomogeneous condition for acetonitrile mixture extraction efficiency is slower, drive first pivot 22 through driving motor 3 and rotate, thereby drive second gear 21 and rotate, second gear 21 drives first gear 20 and rotate along annular rack 18, first gear 20 is when rotating, drive connecting rod 27 and rotate in annular draw-in groove 26, carry out spacing to first gear 20 through connecting rod 27, first pivot 22 drives first puddler 23 and rotates, simultaneously second pivot 24 drives second puddler 25 and rotates, mix acetonitrile mixture in the cauldron body 1, make the liquid in the cauldron body 1 be heated more evenly, be favorable to the condensation extraction work of acetonitrile, after the cauldron body 1 is through heating, make acetonitrile liquid evaporation in the cauldron body 1, acetonitrile after the evaporation gets into in the condenser return bend 16 from pipe 4, condensation 16 is through the condensation of condensation box 8, make condensation 16 carry out condensation to acetonitrile, liquid after the condensation flows into from pipe 10 and collects in the return bend 11.
The working process can be as follows: through driving motor 3, first pivot 22, second gear 21, annular rack 18, connecting rod 27, annular draw-in groove 26, first pivot 22 and the setting of structure such as first puddler 23, realized carrying out intensive mixing's effect to the acetonitrile mixture in the cauldron body 1 for liquid in the cauldron body 1 is heated more evenly, is favorable to the condensation extraction work of acetonitrile, and the acetonitrile after the evaporation gets into in the condensation return bend 16 from pipe 4, and condensation return bend 16 is through the condensation of cooling tank 8, makes condensation return bend 16 condense acetonitrile, and the liquid after the condensation flows into in the collecting box 11 from bellows 10 and collects.
As further shown in fig. 1 and 2, it is worth specifically explaining that a circulating pump 7 is fixed at one side of the top of a condensing box 8, a connecting pipe 9 is fixed at the water inlet end of the circulating pump 7, the lower end of the connecting pipe 9 is fixed with the bottom of the condensing box 8, a water outlet pipe 15 is fixed at the water outlet end of the circulating pump 7, the water outlet pipe 15 stretches into the condensing box 8, and the circulating pump 7 guides water in the condensing box 8 from the connecting pipe 9 into the water outlet pipe 15 and then into the condensing box 8 by starting the circulating pump 7, so that the circulation of water in the condensing box 8 is realized, and the condensing effect of a condensing bent pipe 16 is improved; the outside of the conduit 4 is fixedly provided with a valve 5, and the communication and the closing of the conduit 4 can be controlled through the valve 5; the top of the condensing box 8 is fixed with a water inlet pipe 6, the water inlet pipe 6 is convenient for pouring in the condensing box 8, the bottom of the condensing box 8 is fixed with a water drain pipe, the water drain pipe can regularly drain and replace liquid in the condensing box 8, and the outer sides of the water inlet pipe 6 and the water drain pipe are fixedly provided with control valves.
As further shown in fig. 1 and 2, it is worth specifically explaining that a connecting ring 13 is fixedly sleeved on the outer side of the kettle body 1, a plurality of supporting legs 14 are fixed on the bottom of the connecting ring 13, and the kettle body 1 is supported by the supporting legs 14; one side of the supporting plate 12 is fixed with the connecting ring 13, a plurality of limit bolts are connected with the top thread of the kettle cover 2, the kettle cover 2 is connected with the kettle body 1 through the limit bolts, and when the kettle cover 2 needs to be opened, the kettle cover 2 is conveniently opened through loosening the limit bolts, so that a worker can conveniently clean the inner wall of the kettle body 1.
To sum up: through driving motor 3, first pivot 22, second gear 21, annular rack 18, connecting rod 27, annular draw-in groove 26, first pivot 22 and the setting of structures such as first puddler 23, the effect of fully mixing is carried out to acetonitrile mixture in the cauldron body 1, make the liquid in the cauldron body 1 be heated more evenly, be favorable to the condensation extraction work of acetonitrile, the acetonitrile after the evaporation gets into in the condensation return bend 16 from pipe 4, condensation return bend 16 is through the condensation of cooling tank 8, make condensation return bend 16 condense acetonitrile, liquid after the condensation is collected in the bellows 10 inflow collecting box 11, through start circulating pump 7, circulating pump 7 leads the water in the cooling tank 8 in from connecting pipe 9 to outlet pipe 15, reentrant cooling tank 8, thereby realize the circulation to the water in the cooling tank 8, improve condensation return bend 16 condensation effect.
The driving motor 3, the circulating pump 7 and the annular heating block 17 can be purchased in the market, and the driving motor 3, the circulating pump 7 and the annular heating block 17 are provided with power supplies, which are fully disclosed in the art, and therefore, the description is not repeated in the specification.
Claims (6)
1. The utility model provides a incomplete cauldron of cauldron condensation receiving arrangement for acetonitrile production, includes the cauldron body (1), a serial communication port, the bottom fixed mounting of the cauldron body (1) has annular heating piece (17), the top of the cauldron body (1) is provided with cauldron lid (2), fixed mounting has driving motor (3) in the middle of the top of cauldron lid (2), the output shaft of driving motor (3) is fixed with first pivot (22), the outside upper end of first pivot (22) is fixed with second gear (21), the bottom of cauldron lid (2) is fixed with annular rack (18), annular draw-in groove (26) have been seted up to the bottom of cauldron lid (2), annular draw-in groove (26) inner wall sliding connection of cauldron lid (2) have connecting rod (27), the bottom mounting of connecting rod (27) has first gear (20), first gear (20) are located between annular rack (18) and second gear (21), first gear (20), second gear (21) and annular rack (18) meshing transmission, annular rack (18) bottom (24) have annular rack (19) and second pivot (25) to stir the fixed with second pivot (25), one side of the kettle body (1) is provided with a condensing mechanism.
2. The condensation receiving device of a temporary tank residue storage tank for acetonitrile production according to claim 1, wherein: the utility model provides a condensation mechanism, including fixing the bracing piece in the cauldron body (1) outside, the one end of bracing piece is fixed with condensing box (8), the top of condensing box (8) is fixed with pipe (4), in the one end of pipe (4) stretches into cauldron body (1), the inside of condensing box (8) is provided with condensation return bend (16), the bottom of condensing box (8) is fixed with bellows (10), the upper end and the pipe (4) of condensation return bend (16) are fixed, the lower extreme and the bellows (10) of condensation return bend (16) are fixed, the outside of cauldron body (1) is provided with layer board (12), the top sliding connection of layer board (12) has collection box (11), the bottom of bellows (10) and the opening part grafting of collection box (11).
3. The condensation receiving device of a temporary tank residue storage tank for acetonitrile production according to claim 2, wherein: the utility model discloses a condenser is characterized in that a circulating pump (7) is fixed on one side of the top of a condensing box (8), a connecting pipe (9) is fixed at the water inlet end of the circulating pump (7), the lower end of the connecting pipe (9) is fixed with the bottom of the condensing box (8), a water outlet pipe (15) is fixed at the water outlet end of the circulating pump (7), and the water outlet pipe (15) stretches into the condensing box (8).
4. A kettle residue temporary storage kettle condensation receiving device for acetonitrile production according to claim 3, wherein: the outside of pipe (4) fixed mounting has valve (5), the top of condensation tank (8) is fixed with inlet tube (6).
5. The condensation receiving device of a temporary tank residue storage tank for acetonitrile production according to claim 2, wherein: the kettle is characterized in that a connecting ring (13) is fixedly sleeved on the outer side of the kettle body (1), a plurality of supporting legs (14) are fixed at the bottom of the connecting ring (13), and one side of the supporting plate (12) is fixed with the connecting ring (13).
6. The condensation receiving device of a temporary tank residue storage tank for acetonitrile production according to claim 1, wherein: the top threaded connection of cauldron lid (2) has a plurality of stop bolts, cauldron lid (2) are connected with cauldron body (1) through stop bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868440.XU CN220327964U (en) | 2023-07-17 | 2023-07-17 | Incomplete cauldron condensation receiving arrangement of keeping in of cauldron for acetonitrile production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868440.XU CN220327964U (en) | 2023-07-17 | 2023-07-17 | Incomplete cauldron condensation receiving arrangement of keeping in of cauldron for acetonitrile production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220327964U true CN220327964U (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321868440.XU Active CN220327964U (en) | 2023-07-17 | 2023-07-17 | Incomplete cauldron condensation receiving arrangement of keeping in of cauldron for acetonitrile production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220327964U (en) |
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2023
- 2023-07-17 CN CN202321868440.XU patent/CN220327964U/en active Active
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