CN220090534U - Temperature-controllable acetamiprid production deamination device - Google Patents
Temperature-controllable acetamiprid production deamination device Download PDFInfo
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- CN220090534U CN220090534U CN202321326922.2U CN202321326922U CN220090534U CN 220090534 U CN220090534 U CN 220090534U CN 202321326922 U CN202321326922 U CN 202321326922U CN 220090534 U CN220090534 U CN 220090534U
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- deamination
- hot water
- pipeline
- temperature
- controllable
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- 238000006481 deamination reaction Methods 0.000 title claims abstract description 79
- 230000009615 deamination Effects 0.000 title claims abstract description 77
- WCXDHFDTOYPNIE-RIYZIHGNSA-N (E)-acetamiprid Chemical compound N#C/N=C(\C)N(C)CC1=CC=C(Cl)N=C1 WCXDHFDTOYPNIE-RIYZIHGNSA-N 0.000 title claims abstract description 25
- 239000005875 Acetamiprid Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 3
- 239000000463 material Substances 0.000 abstract description 9
- 238000004064 recycling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 239000007806 chemical reaction intermediate Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides a temperature-controllable acetamiprid production deamination device, which comprises a deamination kettle, a hot water device and a cooling device, wherein the deamination kettle comprises a deamination kettle body and an interlayer arranged on the outer side of the deamination kettle body, and the hot water device is communicated with the interlayer of the deamination kettle body through a hot water output pipeline; the hot water output pipeline is also provided with a hot water circulating pump; the upper end of the interlayer of the deamination kettle body is connected with a hot water device through a circulating pipeline; the water heating device is connected with a steam pipeline which is also connected with a circulating pipeline; the upper end of the deamination kettle body is also connected with a cooling device through a pipeline. The utility model has simple structure and strong practicability, and can heat the water in the hot water tank by hot steam, so that the materials in the deamination kettle body are heated and desolventized in different stages by hot water, and meanwhile, the materials can be heated and desolventized by the hot steam; meanwhile, the recycling of hot water is realized; the heating desolventizing at different stages is realized by controlling the temperature.
Description
Technical Field
The utility model relates to the technical field of acetamiprid deamination, in particular to a temperature-controllable acetamiprid production deamination device.
Background
In the acetamiprid deamination process, the conventional technology adopts steam to directly heat a reaction kettle jacket or adds water into the reaction kettle jacket in advance and heats the water by the steam to realize the temperature rise of the reaction kettle, thereby realizing the purpose of deamination and desolventization of the process.
However, the acetamiprid deamination process has complex components, contains water, monomethylamine, a solvent, a thermally unstable reaction intermediate and the like, and requires removal of other substances except the reaction intermediate in a distillation mode, and the temperature is not easy to control by adopting a conventional heating mode due to large boiling point difference of the components involved, so that the desolventizing time can be prolonged due to too slow heating speed, intermediate materials are deteriorated, and the yield is reduced;
secondly, as the steam temperature is far higher than the temperature required by earlier desolventizing, the material is easy to be washed due to the fact that the temperature is too fast, and the material is decomposed when serious, so that serious safety accidents are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a temperature-controllable acetamiprid production deamination device.
The technical scheme of the utility model is as follows: the temperature-controllable acetamiprid production deamination device comprises a deamination kettle, a hot water device and a cooling device, wherein the deamination kettle comprises a deamination kettle body and an interlayer arranged on the outer side of the deamination kettle body, and the hot water device is communicated with the interlayer of the deamination kettle body through a hot water output pipeline; the hot water output pipeline is also provided with a hot water circulating pump; the upper end of the interlayer of the deamination kettle body is connected with a hot water device through a circulating pipeline; the water heating device is connected with a steam pipeline which is also connected with a circulating pipeline; the upper end of the deamination kettle body is also connected with a cooling device through a pipeline.
Preferably, the water heating device comprises a hot water tank, a steam pipeline is arranged in the hot water tank, the part of the steam pipeline positioned in the hot water tank is of a spiral structure, and a first steam valve and a second steam valve are further arranged on the steam pipeline.
Preferably, a mixing stirrer is further arranged in the hot water tank.
Preferably, the deamination kettle body is provided with a first thermometer, and the hot water tank is provided with a second thermometer.
Preferably, a hot water valve is arranged on a hot water output pipeline between the hot water tank and the deamination kettle body.
Preferably, a third thermometer and a pressure gauge are further arranged on the hot water output pipeline.
Preferably, the hot water output pipeline is also connected with a drainage pipeline, and the drainage pipeline is also provided with a drainage valve.
Preferably, a circulating water control valve is arranged on a circulating pipeline between the deamination kettle body and the hot water tank, and a third steam valve is arranged between the circulating pipeline and the steam pipeline.
Preferably, a water inlet pipeline is further arranged at one end of the hot water tank, and a water inlet valve is arranged on the water inlet pipeline.
Preferably, the deamination kettle body in still be provided with agitating unit, agitating unit include agitator motor, agitator motor lower extreme be provided with the (mixing) shaft, the (mixing) shaft lower extreme be provided with the stirring leaf.
Preferably, the upper end of the deamination kettle body is also provided with a feed inlet, and the feed inlet is provided with a feed valve.
Preferably, the cooling device comprises a plurality of condensers connected in series, wherein a discharge pipeline is further arranged at the lower end of each condenser, and a discharge valve is arranged on each discharge pipeline.
The beneficial effects of the utility model are as follows:
1. the utility model has simple structure and strong practicability, and can heat the water in the hot water tank by hot steam, so that the materials in the deamination kettle body are heated and desolventized in different stages by hot water, and meanwhile, the materials can be heated and desolventized by the hot steam;
2. the circulating pipeline realizes the internal circulation of hot water, realizes the cyclic utilization of the hot water, saves energy and reduces consumption; and the temperature is controlled, so that the heating desolventizing at different stages is realized;
2. the utility model can accurately control the heating temperature through the hot water device and the thermometer, thereby ensuring the smooth operation of deamination, and the utility model can not cause the problems of safety accidents or intermediate deterioration and the like caused by improper steam heating control, greatly reduce the safety and process risks, and can realize the automatic desolventizing of different materials in the same device, thereby improving the production efficiency.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, a 1-deamination kettle; 2-a water heating device; 3-a cooling device;
11-deamination kettle; 12-interlayer, 13-hot water output pipeline; 14-a hot water circulation pump; 15-a condenser; 16-a first thermometer, 17-a stirring device; 18-a feed inlet, 19-a feed valve; 20-a circulation pipeline;
21-a hot water tank and 22-a steam pipeline; 23-a first steam valve; 24-a second steam valve; 25-a third steam conduit; 26-a second thermometer; 27-a mixing stirrer; 28-hot water valve; 29-a third thermometer; 30-a pressure gauge; 31-drain valve, 32-circulating water control valve; 33-inlet valve; 34-discharge valve.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in fig. 1, the embodiment provides a temperature-controllable acetamiprid production deamination device, which comprises a deamination kettle 1, a hot water device 2 and a cooling device 3, wherein the deamination kettle 1 comprises a deamination kettle body 11 and an interlayer 12 arranged outside the deamination kettle body 11, and the hot water device 2 is communicated with the interlayer 12 of the deamination kettle body 11 through a hot water output pipeline 13; the hot water output pipeline 13 is also provided with a hot water circulating pump 14; the upper end of the interlayer 12 of the deamination kettle body 11 is connected with the hot water device 2 through a circulating pipeline 20; the water heating device 2 is connected with a steam pipeline 22, and the steam pipeline 22 is also connected with a circulating pipeline 20; the upper end of the deamination kettle body 11 is also connected with the cooling device 3 through a pipeline.
As a preferred embodiment, the water heating device 2 includes a hot water tank 21, a steam pipe 22 is disposed in the hot water tank 21, a portion of the steam pipe 22 located in the hot water tank 21 is in a spiral structure, and a first steam valve 23 and a second steam valve 24 are further disposed on the steam pipe 22.
Preferably, in this embodiment, a mixing stirrer 27 is further disposed in the hot water tank 21.
In this embodiment, the first thermometer 16 is disposed on the deamination kettle 11, and the second thermometer 26 is disposed on the hot water tank 21.
As a preferable example, a hot water valve 28 is arranged on the hot water output pipeline 13 between the hot water tank 21 and the deamination kettle body 11.
Preferably, the hot water output pipeline 13 is further provided with a third thermometer 29 and a pressure gauge 30.
As a preferable example, the hot water output pipe 13 is further connected with a drain pipe, and the drain pipe is further provided with a drain valve 31.
As a preferred embodiment, a circulating water control valve 32 is disposed on the circulating pipe 20 between the deamination kettle 11 and the hot water tank 21, and a third steam valve 25 is disposed between the circulating pipe 20 and the steam pipe 22.
As a preferable example, a water inlet pipe is further provided at one end of the hot water tank 21, and a water inlet valve 33 is provided on the water inlet pipe.
As a preferred embodiment, the deamination kettle 11 is further provided with a stirring device 17, the stirring device 17 comprises a stirring motor, a stirring shaft is arranged at the lower end of the stirring motor, and stirring blades are arranged at the lower end of the stirring shaft.
As preferable in this embodiment, the upper end of the deamination kettle 11 is further provided with a feed inlet 18, and the feed inlet 18 is provided with a feed valve 19.
As a preferred embodiment, the cooling device 3 includes a plurality of condensers 15 connected in series, and a discharge pipe is further disposed at the lower end of each condenser 15, and a discharge valve 34 is disposed on the discharge pipe.
Working principle:
1) The materials are added into the deamination kettle body 11 through a feed inlet 18;
2) Opening the first steam valve 23 and the second steam valve 24 until the temperature fed back by the second thermometer 26 in the hot water tank 21 reaches the preset temperature A, then opening the hot water valve 28 and the circulating water control valve 32, simultaneously opening the hot water circulating pump 14, pumping hot water into the jacket 12 of the deamination kettle to perform first-stage heating desolventizing, and opening the first steam valve 23 until the first thermometer 16 reaches the set temperature B, so that the temperature fed back by the second thermometer 26 in the hot water tank 21 reaches the preset temperature C, and performing second-stage heating desolventizing by the deamination kettle body 11;
when the first thermometer 16 reaches the set temperature D, the hot water circulation pump 14 is turned off; at the same time, the hot water valve 28, the second steam valve 24, and the circulating water control valve 32 are closed; opening the drain valve 31 and the third steam valve 25; the first steam valve 23 is adjusted to an appropriate opening degree, and the deamination reactor 11 is subjected to heating desolventizing in the third stage.
The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides a temperature-controllable acetamiprid production deamination device which characterized in that: the device comprises a deamination kettle (1), a hot water device (2) and a cooling device (3), wherein the deamination kettle (1) comprises a deamination kettle body (11) and an interlayer (12) arranged on the outer side of the deamination kettle body (11), and the hot water device (2) is communicated with the interlayer (12) of the deamination kettle body (11) through a hot water output pipeline (13); the hot water output pipeline (13) is also provided with a hot water circulating pump (14); the upper end of an interlayer (12) of the deamination kettle body (11) is connected with the hot water device (2) through a circulating pipeline (20); the water heating device (2) is connected with a steam pipeline (22), and the steam pipeline (22) is also connected with a circulating pipeline (20); the upper end of the deamination kettle body (11) is also connected with the cooling device (3) through a pipeline.
2. The temperature-controllable acetamiprid production deamination device of claim 1, wherein the device comprises: the hot water device (2) comprises a hot water tank (21), the hot water tank (21) is connected with a steam pipeline (22), the part of the steam pipeline (22) positioned in the hot water tank (21) is of a spiral structure, and a first steam valve (23) and a second steam valve (24) are further arranged on the steam pipeline (22).
3. The temperature-controllable acetamiprid production deamination device of claim 2, wherein the temperature-controllable acetamiprid production deamination device comprises: a mixing stirrer (27) is also arranged in the hot water tank (21).
4. The temperature-controllable acetamiprid production deamination device of claim 2, wherein the temperature-controllable acetamiprid production deamination device comprises: the deamination kettle body (11) on be provided with first thermometer (16), hot water jar (21) on be provided with second thermometer (26).
5. The temperature-controllable acetamiprid production deamination device of claim 4, wherein the temperature-controllable acetamiprid production deamination device comprises: a hot water valve (28) is arranged on a hot water output pipeline (13) between the hot water tank (21) and the deamination kettle body (11); the hot water output pipeline (13) is also provided with a third thermometer (29) and a pressure gauge (30).
6. The temperature-controllable acetamiprid production deamination device of claim 5, wherein the temperature-controllable acetamiprid production deamination device comprises: the hot water output pipeline (13) is also connected with a drainage pipeline, and the drainage pipeline is also provided with a drainage valve (31).
7. The temperature-controllable acetamiprid production deamination device of claim 5, wherein the temperature-controllable acetamiprid production deamination device comprises: the novel deamination kettle is characterized in that a circulating pipeline (20) between the deamination kettle body (11) and the hot water tank (21) is provided with a circulating water control valve (32), and a third steam valve (25) is arranged between the circulating pipeline (20) and the steam pipeline (22).
8. The temperature-controllable acetamiprid production deamination device of claim 7, wherein: one end of the hot water tank (21) is also provided with a water inlet pipeline, and a water inlet valve (33) is arranged on the water inlet pipeline.
9. The temperature-controllable acetamiprid production deamination device of claim 1, wherein the device comprises: a stirring device (17) is further arranged in the deamination kettle body (11), the stirring device (17) comprises a stirring motor, a stirring shaft is arranged at the lower end of the stirring motor, and stirring blades are arranged at the lower end of the stirring shaft;
the upper end of the deamination kettle body (11) is also provided with a feed inlet (18), and the feed inlet (18) is provided with a feed valve (19).
10. The temperature-controllable acetamiprid production deamination device of claim 1, wherein the device comprises: the cooling device (3) comprises a plurality of condensers (15) which are connected in series, a discharging pipeline is further arranged at the lower end of each condenser (15), and a discharging valve (34) is arranged on each discharging pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326922.2U CN220090534U (en) | 2023-05-29 | 2023-05-29 | Temperature-controllable acetamiprid production deamination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326922.2U CN220090534U (en) | 2023-05-29 | 2023-05-29 | Temperature-controllable acetamiprid production deamination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220090534U true CN220090534U (en) | 2023-11-28 |
Family
ID=88865115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321326922.2U Active CN220090534U (en) | 2023-05-29 | 2023-05-29 | Temperature-controllable acetamiprid production deamination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220090534U (en) |
-
2023
- 2023-05-29 CN CN202321326922.2U patent/CN220090534U/en active Active
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