CN217016579U - Vacuum decompression reation kettle of convenient sample - Google Patents
Vacuum decompression reation kettle of convenient sample Download PDFInfo
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- CN217016579U CN217016579U CN202122945950.XU CN202122945950U CN217016579U CN 217016579 U CN217016579 U CN 217016579U CN 202122945950 U CN202122945950 U CN 202122945950U CN 217016579 U CN217016579 U CN 217016579U
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- reaction kettle
- vacuum
- sampling
- kettle
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- 230000006837 decompression Effects 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 75
- 238000005070 sampling Methods 0.000 claims abstract description 46
- 238000003756 stirring Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 18
- 238000004821 distillation Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- IUNMPGNGSSIWFP-UHFFFAOYSA-N dimethylaminopropylamine Chemical compound CN(C)CCCN IUNMPGNGSSIWFP-UHFFFAOYSA-N 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005120 petroleum cracking Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- -1 propyl dimethyl tertiary amine Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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- Physical Or Chemical Processes And Apparatus (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model belongs to the field of chemical reaction devices, and discloses a vacuum decompression reaction kettle convenient for sampling, which comprises a reaction kettle main body, wherein a discharge ball valve is arranged at the bottom end of the reaction kettle main body, a sampling device is arranged at the lower end of the discharge ball valve, the sampling device comprises a sampler main body, the sampler main body is fixedly connected to the discharge ball valve through a flange, a vacuum valve is arranged on the side surface of the sampler main body, and the vacuum valve is electrically connected with a vacuum device; and a sampling discharge valve is arranged under the sampler main body. The sampling device that is equipped with among this device reation kettle is detachable device, and this sampling device is suitable for various pressure relief device, and installs simple structure, does not influence reation kettle vacuum operation, does not have the influence to the material in the reation kettle, and the sample process is high-efficient swift.
Description
Technical Field
The utility model belongs to the field of chemical reaction devices, and particularly relates to a vacuum decompression reaction kettle convenient for sampling.
Background
The reduced pressure distillation reaction kettle is a common chemical device and is widely applied to the fields of petroleum cracking, raw material purification, medicine synthesis and the like. Meanwhile, in order to monitor the reaction process, timely sampling is a common operation in the process. If the reaction kettle which is in vacuum operation is sampled, the reaction kettle needs to be recovered to normal pressure, and then the pressure reduction operation is interrupted, and then the discharging and sampling are carried out. This process is cumbersome and requires repeated vacuum operations when operating a large reactor, adding additional energy consumption. In addition, the reaction kettle is in a pause state in the sampling process, so that the operation time is additionally increased, and the reaction efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vacuum decompression reaction kettle for sampling detection under the condition of not interrupting the vacuum operation of the reaction kettle.
In order to achieve the purpose, the utility model provides the following technical scheme:
a vacuum decompression reaction kettle convenient to sample comprises a reaction kettle main body, wherein a discharging ball valve is arranged at the bottom end of the reaction kettle main body, a sampling device is arranged at the lower end of the discharging ball valve, the sampling device comprises a sampler main body, the sampler main body is fixedly connected to the discharging ball valve through a flange, a vacuum valve is arranged on the side surface of the sampler main body, and the vacuum valve is electrically connected with a vacuum device; and a sampling discharge valve is arranged under the sampler main body.
The working principle of the sampling device in the device is as follows: decompression reation kettle pressure is less than air pressure all the time in the reaction sequence, sets up sampling device in the reation kettle bottom after, earlier passes through the mode exhaust air of evacuation with sampler main part itself earlier, reaches the negative pressure state the same with reation kettle, opens reation kettle blowing ball valve after, the material is under the effect of gravity, flows into the sampler, closes reation kettle blowing ball valve, opens the sample blowing valve and obtains treating the sample article promptly. In the whole sampling process, the air pressure state of the reaction kettle is not changed, and the pressure reduction state does not need to be stopped, so that the sampling efficiency and the production efficiency are greatly improved.
Preferably, the sampler main body is provided with a vacuum meter for monitoring the air pressure state of the sampler main body, and when the air pressure in the sampler main body reaches-0.1 Mpa in the sampling and vacuumizing process, the vacuumizing can be stopped for sampling.
Preferably, a stirring paddle is arranged in the reaction kettle main body and used for stirring reaction materials; stirring motor is connected to the stirring rake electricity, stirring motor establishes in reation kettle main part upper end.
Preferably, the reation kettle main part includes the kettle cover, be equipped with charge door and sight glass on the kettle cover respectively, the charge door is used for the input material, the inside reaction phenomenon of reation kettle is convenient for observe by the sight glass.
Preferably, the periphery of the reaction kettle main body is provided with a jacket, the jacket is connected with the heat conduction oil circulation station, the reaction kettle adopts an electric heating mode, and the jacket is arranged for controlling the temperature of the reaction kettle.
Preferably, the vacuum device refers to all devices capable of performing vacuum pumping, such as a vacuum pump.
Preferably, the reaction kettle main body is also provided with a reduced pressure distillation fractionating tower for reduced pressure distillation. The reduced pressure distillation fractionating tower is a device commonly used in the field, and the reduced pressure distillation fractionating tower is matched according to the specification of the reaction kettle.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the sampling device that is equipped with among this device reation kettle is detachable device, and this sampling device is suitable for various pressure relief device, and installs simple structure, does not influence reation kettle vacuum operation, does not have the influence to the material in the reation kettle, and the sample process is high-efficient swift.
(2) The device is characterized in that a sampler is arranged at the lower end of a reaction kettle, and a vacuum valve is used for vacuumizing a sampler main body; after the vacuum valve is closed, the discharging ball valve of the reaction kettle is opened, and the material to be taken flows into the sampler main body under the action of gravity; the discharging ball valve of the reaction kettle is closed, the sampling discharging valve is opened to obtain a sampled product, the whole sampling process does not need to carry out pressure relief and vacuum pumping treatment on the reaction kettle, other interference on the reaction kettle can not be caused, and continuous production operation is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
in the figure: 1-a reaction kettle body; 2-kettle cover; 3-a stirring motor; 4-stirring paddle; 5-a feed inlet; 6-sight glass; 7-jacket; 8-a heat transfer oil circulation station; 9-a discharge ball valve; 10-a flange; 11-a sampler body; 12-a vacuum valve; 13-a sample discharge valve; 14-a vacuum device; 15-distillation under reduced pressure fractionating tower; 16-vacuum gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the utility model provides a vacuum decompression reaction kettle convenient for sampling, which comprises a reaction kettle main body 1, wherein a discharge ball valve 9 is arranged at the bottom end of the reaction kettle main body 1, a sampling device is arranged at the lower end of the discharge ball valve 9, the sampling device comprises a sampler main body 11, the sampler main body 11 is fixedly connected to the discharge ball valve 9 through a flange 10, a vacuum valve 12 is arranged on the side surface of the sampler main body 11, and the vacuum valve 12 is electrically connected with a vacuum device 14; a sampling discharge valve 13 is arranged under the sampler main body 11.
As shown in fig. 1, when the vacuum reduced pressure reaction kettle provided by the utility model is used for sampling, a vacuum device 14 is started, and a vacuum valve 12 is opened to vacuumize a sampler main body 11; after the sampler main body 11 reaches the vacuum level, closing the vacuum valve 12, opening the discharging ball valve 9 of the reaction kettle, and allowing the materials to be taken to flow into the sampler main body 11 from the discharging ball valve 9 at the lower end of the reaction kettle under the action of gravity; after the sampling quantity meets the requirement, the discharging ball valve 9 of the reaction kettle is closed, the sampling discharging valve 13 is opened to obtain the sampled product, the whole project realizes rapid sampling on the premise of not influencing the decompression work of the reaction kettle, and the influence on the whole reaction process is avoided.
Furthermore, the sampler main body 11 is provided with a vacuum gauge for monitoring the air pressure state of the sampler main body, and when the air pressure in the sampler main body reaches-0.1 Mpa in the sampling and vacuumizing process, the vacuumizing can be stopped for sampling.
Further, a stirring paddle 4 is arranged in the reaction kettle main body and used for stirring reaction materials; stirring motor 3 is connected to the stirring rake electricity, and stirring motor 3 is fixed to be established in 1 upper end of reation kettle main part.
Further, the reation kettle main part includes kettle cover 2, be equipped with charge door 5 and sight glass 6 on the kettle cover respectively, charge door 5 is used for the input material, the inside reaction phenomenon of reation kettle is convenient for observe to sight glass 6.
Furthermore, a jacket 7 can be arranged around the main body of the reaction kettle, the jacket 7 is connected with a heat-conducting oil circulating station 8 in the prior art in a connecting mode, the reaction kettle adopts an electric heating mode, and the jacket 7 is arranged for controlling the temperature of the reaction kettle; the connection of the jacket 7 and the reaction kettle adopts the connection technology of the existing heating jacket type reaction kettle without any limitation.
Further, the vacuum device 14 refers to all devices that can perform vacuum pumping, such as a vacuum pump.
Further, the reaction kettle main body is also provided with a reduced pressure distillation fractionating tower 15 for reduced pressure distillation, the reduced pressure distillation fractionating tower is a common device in the field, and the reduced pressure distillation fractionating tower is matched with specifications according to the requirements of the reaction kettle.
Example 2
Preparing erucyl propyl dimethyl tertiary amine by adopting the vacuum decompression reaction kettle of the embodiment 1, putting raw materials of fatty acid and N, N-dimethyl-1, 3-propane diamine into a reaction kettle main body 1 through a feed inlet 5, starting a stirring motor 3 to drive a stirring paddle 4 to rotate, and stirring and reacting the raw materials; meanwhile, a heat conduction oil circulation station 8 is started, the reaction kettle main body 1 is heated to 190 ℃ through a jacket 7 to react, a reduced pressure distillation fractionating tower is started to carry out reduced pressure distillation at the later stage of the reaction, and unreacted N, N-dimethyl-1, 3-propanediamine and byproduct water are separated; after the reaction is carried out for 13 hours, a vacuum device 14 is started, and a vacuum valve 12 is opened to carry out vacuum pumping on the sampler main body 11; after the sampler main body 11 reaches the vacuum level, closing the vacuum valve 12, opening the discharging ball valve 9 of the reaction kettle, and allowing the material to be taken to flow into the sampler main body 11 from the discharging ball valve 9 at the lower end of the reaction kettle under the action of gravity; after the sampling amount meets the requirement, closing the discharging ball valve 9 of the reaction kettle, opening the sampling discharging valve 13 to obtain a sampled product, and detecting the water content in the sample; sampling can be carried out for many times in the reaction process until the product meets the qualified requirements. All do not carry out any processing to reation kettle among the whole reaction sequence, can not interrupt the interior reaction of reation kettle and go on, can realize high-efficient swift sample through this device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a vacuum decompression reation kettle of convenient sample, includes reation kettle main part (1), its characterized in that: the bottom end of the reaction kettle main body (1) is provided with a discharging ball valve (9), the lower end of the discharging ball valve (9) is provided with a sampling device, the sampling device comprises a sampler main body (11), the sampler main body (11) is fixedly connected to the discharging ball valve (9) through a flange (10), a vacuum valve (12) is installed on the side surface of the sampler main body (11), and the vacuum valve (12) is electrically connected with a vacuum device (14); a sampling discharge valve (13) is arranged under the sampler main body (11).
2. The convenient-sampling vacuum decompression reaction kettle according to claim 1, characterized in that: a vacuum meter (16) is arranged on the sampler main body (11).
3. The convenient-sampling vacuum decompression reaction kettle according to claim 1, characterized in that: the improved stirring device is characterized in that a stirring paddle (4) is arranged inside the reaction kettle main body (1), a stirring motor (3) is electrically connected with the stirring paddle (4), and the stirring motor (3) is arranged at the upper end of the reaction kettle main body (1).
4. The convenient-sampling vacuum decompression reaction kettle according to claim 1, characterized in that: the reaction kettle main body (1) comprises a kettle cover (2), and the kettle cover (2) is provided with a feed inlet (5).
5. The vacuum reduced pressure reaction kettle for convenient sampling according to claim 4, is characterized in that: and a sight glass (6) is arranged on the kettle cover (2).
6. The vacuum reduced pressure reaction kettle for convenient sampling according to claim 1, is characterized in that: the periphery of the reaction kettle main body (1) is provided with a jacket (7), and the jacket (7) is connected with a heat conduction oil circulation station (8).
7. The convenient-sampling vacuum decompression reaction kettle according to claim 1, characterized in that: the reaction kettle main body (1) is also provided with a reduced pressure distillation fractionating tower (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945950.XU CN217016579U (en) | 2021-11-29 | 2021-11-29 | Vacuum decompression reation kettle of convenient sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945950.XU CN217016579U (en) | 2021-11-29 | 2021-11-29 | Vacuum decompression reation kettle of convenient sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217016579U true CN217016579U (en) | 2022-07-22 |
Family
ID=82440631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122945950.XU Active CN217016579U (en) | 2021-11-29 | 2021-11-29 | Vacuum decompression reation kettle of convenient sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217016579U (en) |
-
2021
- 2021-11-29 CN CN202122945950.XU patent/CN217016579U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 17, 2nd Floor, Building A, Building 1, No. 1480 Tianfu Avenue North Section, Chengdu High tech Zone, China (Sichuan) Pilot Free Trade Zone, Chengdu, Sichuan Province, 610000 Patentee after: Chengdu kehongda Chemical Co.,Ltd. Country or region after: China Address before: No.2, 6 / F, unit 3, building 8, no.1480, north section of Tianfu Avenue, high tech Zone, Chengdu, Sichuan 610000 Patentee before: Sichuan kehongda Group Co.,Ltd. Country or region before: China |