CN216770244U - Condensation device for diketene production - Google Patents
Condensation device for diketene production Download PDFInfo
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- CN216770244U CN216770244U CN202123032705.6U CN202123032705U CN216770244U CN 216770244 U CN216770244 U CN 216770244U CN 202123032705 U CN202123032705 U CN 202123032705U CN 216770244 U CN216770244 U CN 216770244U
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- pipe
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- fixedly connected
- condenser
- box
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- WASQWSOJHCZDFK-UHFFFAOYSA-N diketene Chemical compound C=C1CC(=O)O1 WASQWSOJHCZDFK-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000005494 condensation Effects 0.000 title claims description 38
- 238000009833 condensation Methods 0.000 title claims description 38
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000000110 cooling liquid Substances 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 6
- CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003674 animal food additive Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a diketene production condensing unit, which comprises: a first condenser tank and a second condenser tank; the device comprises a condensate collecting box, a first spiral circulating pipe, a liquid inlet hopper, a liquid outlet hopper, a second spiral circulating pipe, a liquid inlet pipe, a liquid outlet pipe, a first gear and a second gear, wherein the condensate collecting box is fixedly connected to the inside of the second condensate box through a support; and the connecting pipe is arranged between the bottom of the first condensing tank and the second condensing tank. The utility model provides a diketene production condensing unit, which is provided with a plurality of first spiral circulating pipes, so that pyrolysis gas can be fully contacted with cooling liquid, the unit can be rapidly condensed, and the cooling liquid is circularly refrigerated by a refrigerating tower, so that the energy consumption is reduced, and the cost is saved.
Description
Technical Field
The utility model relates to the technical field of condensing devices, in particular to a condensing device for diketene production.
Background
Diketene is a raw material of fine chemical dyes, medicines, pesticides, food and feed additives, auxiliaries and the like, and has two production methods, namely an acetone method and an acetic acid method, and the acetic acid method is high in product quality and good in economic benefit, so that the diketene is produced by the acetic acid method generally.
The diketene is produced by high-temperature cracking of acetic acid to produce ketene, condensing and separating water produced by the reaction from the ketene, and polymerizing pure ketene to produce diketene.
In the condensation stage, the conventional condensation device for producing diketene cools the high-temperature gas at 720 ℃ to-20 ℃ in six stages, wherein the sixth stage needs to reduce the temperature of the pyrolysis gas from-5 ℃ to-20 ℃, and the energy consumption of a cooling process device is higher, so that the condensation device for producing diketene is needed to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a condensation device for diketene production, which solves the problem of higher energy consumption of a cooling process device.
In order to solve the technical problem, the condensation device for producing diketene provided by the utility model comprises: a first condenser tank and a second condenser tank;
the condensate collecting box is fixedly connected to the inside of the second condensing box through a support, a second spiral circulating pipe is rotatably connected between the top and the bottom of the condensate collecting box, the bottom end of the second spiral circulating pipe is fixedly connected with a liquid inlet hopper, the inner wall of the liquid inlet hopper is fixedly connected with a curved flow plate, and the outer wall of the liquid inlet hopper is fixedly connected with a first gear;
the condenser comprises a gas inlet pipe, wherein the gas inlet pipe is fixedly connected to the top of the first condenser box, one end of the gas inlet pipe penetrates through the inside of the first condenser box and is fixedly connected with a flow divider, a first spiral circulating pipe is fixedly mounted at the bottom of the flow divider, and the bottom end of the first spiral circulating pipe penetrates through the inside of the second condenser box through a straight pipe and is communicated with the top of the condensate collecting box.
Preferably, the bottom fixedly connected with mounting panel of second condensing tank, fixed mounting has driving motor on the mounting panel, driving motor's output shaft is connected with the drive shaft through the driving of band pulley group, the one end of drive shaft runs through and extends to the inside of second condensing tank and is connected with the outer wall rotation of condensate collecting box, the top fixedly connected with second gear of drive shaft outer wall, one side of second gear and one side meshing of first gear.
Preferably, the top of one side of the first condensation box and the bottom of one side of the second condensation box are provided with a refrigeration tower through a cooling liquid circulation pipe.
Preferably, the air inlet pipe is provided with a three-way pipe, one side of the three-way pipe is provided with a circulating pipe, the circulating pipe is provided with an exhaust fan, and one end of the circulating pipe penetrates through the second condensation tank and is fixedly communicated with the top of the condensate collecting tank.
Preferably, the bottom of one side of the cooling liquid collecting box is fixedly connected with a liquid outlet pipe, and one end of the liquid outlet pipe penetrates through and extends to the outside of the second condensation box.
Preferably, a valve is arranged on the circulating pipe.
Preferably, a connecting pipe is arranged between the bottom of the first condensation tank and the top of the second condensation tank.
Compared with the related art, the condensation device for producing diketene provided by the utility model has the following beneficial effects:
the utility model provides a condensation device for diketene production, which can enable pyrolysis gas to be in full contact with cooling liquid through arranging a plurality of first spiral circulating pipes, so that the device can be rapidly condensed, circularly refrigerates the cooling liquid through arranging a refrigeration tower, reduces energy consumption and saves cost.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a condensation apparatus for producing diketene provided by the present invention;
FIG. 2 is an enlarged view of portion A shown in FIG. 1;
FIG. 3 is a perspective view of the inlet hopper of FIG. 2;
FIG. 4 is a perspective view of the meander plate shown in FIG. 2;
reference numbers in the figures: 1. the condenser comprises a first condenser box, a second condenser box, a condensate collecting box, a liquid outlet pipe, a connecting pipe, a cooling liquid circulating pipe, a cooling tower, an air inlet pipe, a cooling liquid circulating pipe, a three-way pipe, a pump, an air pump, a circulating pipe, a valve, a flow divider, a first spiral circulating pipe, a second spiral circulating pipe, a valve, a liquid inlet hopper, a first gear, a second gear, a driving shaft, a belt wheel set, a mounting plate, a first gear, a second gear, a driving shaft, a driving motor, a belt wheel set, a first gear, a second spiral wheel set belt wheel set, a second spiral wheel set, a.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of a condensation apparatus for producing diketene provided by the present invention; FIG. 2 is an enlarged view of portion A shown in FIG. 1; FIG. 3 is a perspective view of the inlet hopper of FIG. 2; fig. 4 is a perspective view of the meander plate shown in fig. 2. The condensation device for producing the diketene comprises: a first condensation tank 1 and a second condensation tank 2;
the condensate collecting box 3 is fixedly connected to the inside of the second condensing box 2 through a support, a second spiral circulating pipe 14 is rotatably connected between the top and the bottom of the condensate collecting box 3, the bottom end of the second spiral circulating pipe 14 is fixedly connected with a liquid inlet hopper 15, the inner wall of the liquid inlet hopper 15 is fixedly connected with a curved flow plate 22, and the outer wall of the liquid inlet hopper 15 is fixedly connected with a first gear 16;
the second spiral circulation pipe 14 is provided in plurality.
The connecting pipe 5 is arranged between the bottom of the first condensation tank 1 and the second condensation tank 2;
the condenser comprises an air inlet pipe 8, the air inlet pipe 8 is fixedly connected to the top of the first condenser box 1, one end of the air inlet pipe 8 penetrates through the inside of the first condenser box 1 and is fixedly connected with a flow divider 12, a first spiral circulating pipe 13 is fixedly mounted at the bottom of the flow divider 12, and the bottom end of the first spiral circulating pipe 13 penetrates through a straight pipe and is communicated with the inside of the second condenser box 2 and the top of the condensate collecting box 3.
The first spiral circulation pipe 13 is provided in plurality.
The bottom fixedly connected with mounting panel 20 of second condensing tank 2, fixed mounting has driving motor 21 on the mounting panel 20, the output shaft of driving motor 21 is connected with drive shaft 18 through the transmission of band pulley group 19, the one end of drive shaft 18 runs through and extends to the inside of second condensing tank 2 and is connected with the outer wall rotation of condensate collecting box 3, the top fixedly connected with second gear 17 of drive shaft 18 outer wall, one side of second gear 17 meshes with one side of first gear 16.
The pulley set 19 simultaneously drives a plurality of drive shafts 18.
The top of one side of the first condensation box 1 and the bottom of one side of the second condensation box 2 are provided with a refrigeration tower 7 through a cooling liquid circulation pipe 6.
The condenser is characterized in that a three-way pipe 9 is arranged on the air inlet pipe 8, a circulating pipe 11 is arranged on one side of the three-way pipe 9, an exhaust fan 10 is arranged on the circulating pipe 11, a valve 111 is arranged on the circulating pipe 11, and one end of the circulating pipe 11 penetrates through the second condensation tank 2 and is fixedly communicated with the top of the condensation liquid collecting tank 3.
The exhaust fan 10 is fixedly installed on the top of the first condensation box 1.
The bottom of one side of the cooling liquid collecting box 3 is fixedly connected with a liquid outlet pipe 4, and one end of the liquid outlet pipe 4 penetrates through and extends to the outside of the second condensation box 2.
The working principle of the condensation device for producing diketene provided by the utility model is as follows:
when the device is used, cooling liquid flows out of a refrigeration tower 7, enters the bottom of a second condensation box 2 through a cooling liquid through pipe 6, enters a first condensation box 1 through a connecting pipe 5 and enters the cooling liquid through pipe 6 to flow into the refrigeration tower 7, circulating refrigeration is formed on the cooling liquid, pyrolysis gas enters a flow divider 12 through an air inlet pipe 8, is divided into a plurality of spiral circulation pipes 13 through the flow divider 12 and fully contacts with the cooling liquid passing through the first condensation box 1, most pyrolysis gas forms liquid and falls into a condensate collection box 3, a small part of pyrolysis gas enters the condensate collection box 3, a driving motor 21 is started, a plurality of driving shafts 18 are driven to rotate through a belt pulley set 19, a first gear 16 on the driving shafts 18 drives a liquid inlet hopper 15 to rotate through a second gear 17, a curved flow plate 22 rotates to convey the cooling liquid into the second spiral circulation pipe 14, and a small part of pyrolysis gas contacts with the cooling liquid in the second spiral circulation pipe 14 for condensation, meanwhile, the liquid inlet hopper 15 drives the second spiral circulating pipe 14 to rotate, and condensate condensed on the surface of the second spiral circulating pipe 14 is thrown out.
When the pyrolysis gas is not completely condensed, the exhaust fan 10 is started, the valve 111 on the circulating pipe 11 is opened, and the residual pyrolysis gas in the condensate collecting tank enters the three-way pipe 9 through the circulating pipe 11 and is merged into the air inlet pipe 8 to enter the condensation process again.
Compared with the related art, the condensation device for producing diketene provided by the utility model has the following beneficial effects:
the utility model provides a diketene production condensing device, which can be used for enabling pyrolysis gas to be in full contact with cooling liquid through arranging a plurality of first spiral circulating pipes 13, so that the device can be rapidly condensed, circularly refrigerates the cooling liquid through arranging a refrigerating tower 7, reduces energy consumption and saves cost, a plurality of driving shafts 18 are driven to rotate through the transmission of a belt pulley set 19, a curved flow plate 22 is indirectly driven to rotate to convey the cooling liquid into a second spiral circulating pipe 14, a small part of pyrolysis gas is in contact with the cooling liquid in the second spiral circulating pipe 14 for condensation, so that the condensing effect of the device is further improved, meanwhile, a liquid inlet hopper 15 drives the second spiral circulating pipe 14 to rotate, condensate condensed on the surface of the second spiral circulating pipe 14 is thrown out, the heat exchange efficiency of the second spiral circulating pipe 14 is improved, and the condensing effect of the device is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A diketene production condensing unit, comprising: a first condenser tank and a second condenser tank;
the condensate collecting box is fixedly connected to the inside of the second condensing box through a support, a second spiral circulating pipe is rotatably connected between the top and the bottom of the condensate collecting box, the bottom end of the second spiral circulating pipe is fixedly connected with a liquid inlet hopper, the inner wall of the liquid inlet hopper is fixedly connected with a curved flow plate, and the outer wall of the liquid inlet hopper is fixedly connected with a first gear;
the condenser comprises an air inlet pipe, wherein the air inlet pipe is fixedly connected to the top of the first condenser box, one end of the air inlet pipe penetrates through the inside of the first condenser box and is fixedly connected with a flow divider, a first spiral circulating pipe is fixedly mounted at the bottom of the flow divider, and the bottom end of the first spiral circulating pipe penetrates through the inside of the second condenser box (2) through a straight pipe and is communicated with the top of the condensate collecting box (3).
2. The diketene production condensing unit of claim 1, wherein a mounting plate is fixedly connected to the bottom of the second condensation tank, a driving motor is fixedly mounted on the mounting plate, an output shaft of the driving motor is connected with a driving shaft through a belt pulley set transmission, one end of the driving shaft penetrates through and extends to the inside of the second condensation tank and is rotatably connected with the outer wall of the condensate collecting tank, a second gear is fixedly connected to the top of the outer wall of the driving shaft, and one side of the second gear is meshed with one side of the first gear.
3. The diketene production condensing unit according to claim 1, wherein said first condenser tank side top and said second condenser tank side bottom are provided with a cooling tower by means of a cooling liquid flow pipe.
4. The diketene production condensing unit of claim 1, wherein said inlet duct is provided with a three-way pipe, one side of said three-way pipe is provided with a circulating pipe, said circulating pipe is provided with an exhaust fan, and one end of said circulating pipe penetrates through said second condensing tank and is fixedly communicated with the top of said condensate collecting tank.
5. The diketene production condensing unit of claim 1, wherein a liquid outlet pipe is fixedly connected to the bottom of one side of said condensate collecting tank, and one end of said liquid outlet pipe penetrates and extends to the outside of said second condensing tank.
6. The diketene production condensing unit of claim 4, wherein said circulating tube is provided with a valve.
7. The diketene production condensing unit of claim 6, wherein a connecting pipe is provided between the bottom of said first condensing tank and the top of said second condensing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032705.6U CN216770244U (en) | 2021-12-03 | 2021-12-03 | Condensation device for diketene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032705.6U CN216770244U (en) | 2021-12-03 | 2021-12-03 | Condensation device for diketene production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216770244U true CN216770244U (en) | 2022-06-17 |
Family
ID=81964536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123032705.6U Active CN216770244U (en) | 2021-12-03 | 2021-12-03 | Condensation device for diketene production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216770244U (en) |
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2021
- 2021-12-03 CN CN202123032705.6U patent/CN216770244U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A condensation device for the production of diethylene ketone Granted publication date: 20220617 Pledgee: Dingyuan County Credit Guarantee Co.,Ltd. Pledgor: Anhui Hecheng Biotechnology Co.,Ltd. Registration number: Y2024980004074 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |