CN212040347U - Quantitative dropwise adding device of catalyst for preparing 3, 4-dichloroaniline - Google Patents
Quantitative dropwise adding device of catalyst for preparing 3, 4-dichloroaniline Download PDFInfo
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- CN212040347U CN212040347U CN202020525539.XU CN202020525539U CN212040347U CN 212040347 U CN212040347 U CN 212040347U CN 202020525539 U CN202020525539 U CN 202020525539U CN 212040347 U CN212040347 U CN 212040347U
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- wall
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- fixedly connected
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- barrel
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- 239000003054 catalyst Substances 0.000 title claims abstract description 34
- SDYWXFYBZPNOFX-UHFFFAOYSA-N 3,4-dichloroaniline Chemical compound NC1=CC=C(Cl)C(Cl)=C1 SDYWXFYBZPNOFX-UHFFFAOYSA-N 0.000 title claims description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The utility model discloses a 3, quantitative dropwise add device of catalyst for 4-dichloroaniline preparation, including reation kettle, fixedly connected with support between reation kettle's the outer wall both ends of pushing up, and reation kettle's the vertical sleeve of outer wall central fixedly connected with of pushing up, telescopic bottom is for sealing the form, and telescopic one side outer wall bottom fixedly connected with goes out the feed cylinder, goes out feed cylinder and telescopic inside and is linked together, goes out the feed cylinder and keeps away from telescopic one end and for sealing the form, and the inner wall that goes out the feed cylinder is close to the first ring that keeps off of telescopic one end fixedly connected with, slidable mounting has first piston on the inner wall that goes out the feed cylinder, it has first spring to go out fixed mounting between the lateral wall that feed cylinder kept away from telescopic one end inner wall and first piston. The utility model discloses in, simple structure, convenient to use can be with catalyst quantitative dropwise add to reation kettle in for the normal reaction of material in the reation kettle has guaranteed the security of product quality and production simultaneously.
Description
Technical Field
The utility model relates to a chemical production technical field especially relates to a quantitative dropwise add device of catalyst for 3, 4-dichloroaniline preparation.
Background
In the chemical production process, dropping a catalyst into a reaction kettle is a common unit operation mode, and particularly, when the catalyst is dropped into some liquid materials with high reaction activity, a violent chemical reaction can occur in the reaction kettle, and a large amount of reaction heat is often released. Therefore, the dripping of the catalyst needs to be strictly controlled to maintain the stability and the mildness of the whole reaction process in the reaction kettle.
In the preparation process of 3, 4-dichloroaniline, a catalyst needs to be added for preparation, but the adding amount of the catalyst cannot be well controlled, so that the preparation effect of 3, 4-dichloroaniline is influenced, and therefore, a quantitative dropwise adding device of the catalyst for preparing 3, 4-dichloroaniline is designed to solve the problems.
Disclosure of Invention
The utility model aims at solving the defects in the prior art and providing a quantitative dripping device for a catalyst for preparing 3, 4-dichloroaniline. In order to achieve the above purpose, the utility model adopts the following technical scheme:
a quantitative dripping device of a catalyst for preparing 3, 4-dichloroaniline comprises a reaction kettle, wherein a support is fixedly connected between two ends of the outer top wall of the reaction kettle, a vertical sleeve is fixedly connected to the center of the outer top wall of the reaction kettle, the bottom end of the sleeve is closed, a discharging barrel is fixedly connected to the bottom of the outer wall of one side of the sleeve, the discharging barrel is communicated with the inside of the sleeve, one end, away from the sleeve, of the discharging barrel is closed, a first retaining ring is fixedly connected to one end, close to the sleeve, of the inner wall of the discharging barrel, a first piston is slidably mounted on the inner wall of the discharging barrel, a first spring is fixedly mounted between the inner wall of one end, away from the sleeve, of the discharging barrel and the side wall of the first piston, a discharging pipe is fixedly connected to one end, close to the first retaining ring, of the bottom of the outer wall of the discharging barrel, the discharging pipe is communicated with the, the feeding cylinder is communicated with the inside of the sleeve, one end, far away from the sleeve, of the feeding cylinder is closed, one end, close to the sleeve, of the inner wall of the feeding cylinder is fixedly connected with a second baffle ring, a second piston is slidably mounted in the feeding cylinder, a second spring is fixedly connected between one sides, close to each other, of the second baffle ring and the second piston, the top of the outer wall, far away from the sleeve, of the feeding cylinder is fixedly connected with a connecting pipe, the bottom of the outer wall, far away from the sleeve, of the feeding cylinder is fixedly connected with a feeding pipe, the connecting pipe and the feeding pipe are communicated with the inside of the feeding cylinder, one end, far away from the feeding cylinder, of the feeding pipe is fixedly connected to the side wall of the sleeve, the feeding pipe is communicated with the inside of the sleeve, a third piston is slidably mounted on the inner wall of the sleeve, the top side of the, and one end of the connecting rod, which is far away from the third piston, is rotatably connected to one side edge of the turntable, which is far away from the rotating shaft.
Preferably, one end of the discharge pipe, which is far away from the discharge barrel, penetrates through the top wall of the reaction kettle and extends to the inside of the reaction kettle.
Preferably, one end of the rotating shaft, which is far away from the rotating disc, penetrates through the support and extends to the outside to be fixedly connected to an output shaft of the motor, and the motor is fixedly installed on the top wall of the support.
Preferably, the height of the third piston is larger than the distance between the bottom side of the discharging barrel and the top side of the feeding barrel, the width of the first piston is larger than the diameter of the discharging pipe, and the width of the second piston is larger than the diameters of the connecting pipe and the feeding pipe.
Preferably, one end of the connecting pipe, which is far away from the feeding cylinder, is fixedly connected in the catalyst charging box.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, keep off ring, second piston, second spring, connecting pipe, inlet pipe, third piston, connecting rod, pivot, carousel and motor through the design of sleeve, a feeding section of thick bamboo, second, can be with the quantitative sleeve of inhaling of outside catalyst in, through the design of play feed cylinder, first fender ring, first piston, first spring and discharging pipe, can be with the catalyst discharge reation kettle in the sleeve in, the utility model discloses simple structure, convenient to use can be with catalyst quantitative dropwise add to reation kettle in for the normal reaction of material in the reation kettle has guaranteed the security of product quality and production simultaneously.
Drawings
Fig. 1 is a schematic view of a main-view analysis structure of a quantitative dripping device for a catalyst for preparing 3, 4-dichloroaniline according to the present invention;
fig. 2 is a schematic side view of the connection relationship between the support and the rotating shaft of the quantitative dripping device for preparing the catalyst of 3, 4-dichloroaniline according to the present invention.
In the figure: the device comprises a reaction kettle 1, a support 2, a sleeve 3, a discharge barrel 4, a first blocking ring 5, a first piston 6, a first spring 7, a discharge pipe 8, a feed barrel 9, a second blocking ring 10, a second piston 11, a second spring 12, a connecting pipe 13, a feed pipe 14, a third piston 15, a connecting rod 16, a rotating shaft 17, a rotating disc 18 and a motor 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a quantitative dripping device for a catalyst for preparing 3, 4-dichloroaniline, comprising a reaction kettle 1, a support 2 fixedly connected between two ends of the outer top wall of the reaction kettle 1, a vertical sleeve 3 fixedly connected to the center of the outer top wall of the reaction kettle 1, a closed bottom end of the sleeve 3, a discharge barrel 4 fixedly connected to the bottom of the outer wall of one side of the sleeve 3, the discharge barrel 4 communicated with the interior of the sleeve 3, a closed end of the discharge barrel 4 far away from the sleeve 3, a first baffle ring 5 fixedly connected to the end of the inner wall of the discharge barrel 4 close to the sleeve 3, a first piston 6 slidably mounted on the inner wall of the discharge barrel 4, a first spring 7 fixedly mounted between the inner wall of the discharge barrel 4 far away from the sleeve 3 and the side wall of the first piston 6, and a discharge pipe 8 fixedly connected to the end of the bottom of the outer wall of the discharge barrel 4 close to the first baffle ring, the discharging pipe 8 is communicated with the inside of the discharging barrel 4, the bottom of the outer wall of one side of the sleeve 3, which is far away from the discharging barrel 4, is fixedly connected with a feeding barrel 9, the feeding barrel 9 is communicated with the inside of the sleeve 3, one end of the feeding barrel 9, which is far away from the sleeve 3, is in a closed shape, one end of the inner wall of the feeding barrel 9, which is close to the sleeve 3, is fixedly connected with a second retaining ring 10, a second piston 11 is arranged in the feeding barrel 9 in a sliding manner, a second spring 12 is fixedly connected between the sides, which are close to each other, of the second retaining ring 10 and the second piston 11, the top of the outer wall of one end of the feeding barrel 9, which is far away from the sleeve 3, is fixedly connected with a connecting pipe 13, the bottom of the outer wall of one end of the feeding barrel 9, which is far away from the sleeve 3, is, a third piston 15 is slidably mounted on the inner wall of the sleeve 3, a connecting rod 16 is rotatably connected to the top side of the third piston 15, a horizontal rotating shaft 17 is rotatably connected to the top wall of the support 2, a rotating disc 18 is rotatably mounted at one end, far away from the support 2, of the rotating shaft 17, one end, far away from the third piston 15, of the connecting rod 16 is rotatably connected to one side edge, far away from the rotating shaft 17, of the rotating disc 18, one end, far away from the discharging tube 4, of the discharging tube 8 penetrates through the top wall of the reaction kettle 1 and extends into the reaction kettle 1, one end, far away from the rotating disc 18, of the rotating shaft 17 penetrates through the support 2 and extends to the outside and is fixedly connected to an output shaft of a motor 19, the motor 19 is fixedly mounted on the top wall of the support 2, the height of the third piston 15 is greater than the distance between the bottom side of the discharging tube 4 and, one end fixed connection that a feeding section of thick bamboo 9 was kept away from to connecting pipe 13 is in the catalyst charging box, the utility model discloses in, through sleeve 3, a feeding section of thick bamboo 9, second fender ring 10, second piston 11, second spring 12, connecting pipe 13, inlet pipe 14, third piston 15, connecting rod 16, pivot 17, carousel 18 and motor 19's design, can be with outside catalyst quantitative inhale in sleeve 3, through going out feed cylinder 4, first fender ring 5, first piston 6, first spring 7 and discharging pipe 8's design, can be with the catalyst in the sleeve 3 go into reation kettle 1 in, the utility model discloses simple structure, convenient to use can be with catalyst quantitative dropwise add in reation kettle 1 for the normal reaction of material in reation kettle 1, the security of product quality and production has been guaranteed simultaneously.
The working principle is as follows: when the catalyst feeder is used, the motor 19 is started to drive the rotating shaft 17 to rotate, the rotating shaft 17 rotates to drive the rotating disc 18 to rotate, the rotating disc 18 drives the third piston 15 to lift in the sleeve 3 through the connecting rod 16, when the third piston 15 lifts in the sleeve 3, negative pressure is generated in the sleeve 3, the second spring 12 is compressed at the moment, the second piston 11 moves in the feeding cylinder 9 towards the sleeve 3, so that the feeding cylinder 9, the connecting pipe 13 and the feeding pipe 14 are communicated, meanwhile, the catalyst is pumped into the sleeve 3 through the negative pressure generated in the sleeve 3, when the negative pressure in the sleeve 3 disappears, the second spring 12 returns to an initial state, the connecting pipe 13 and the feeding pipe 14 are separated by the second piston 11, then when the third piston 15 descends in the sleeve 3, hydraulic pressure is generated in the sleeve 3, so that the first spring 7 is squeezed away from the sleeve 3 until the discharging pipe 8 is communicated with the sleeve 3, at the moment, the catalyst is dripped into the reaction kettle 1 from, finally completing the quantitative dripping of the catalyst.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The quantitative dropwise adding device for the catalyst for preparing the 3, 4-dichloroaniline comprises a reaction kettle (1) and is characterized in that a support (2) is fixedly connected between two ends of the outer top wall of the reaction kettle (1), a vertical sleeve (3) is fixedly connected to the center of the outer top wall of the reaction kettle (1), the bottom end of the sleeve (3) is closed, a discharge barrel (4) is fixedly connected to the bottom of the outer wall of one side of the sleeve (3), the discharge barrel (4) is communicated with the inside of the sleeve (3), one end, away from the sleeve (3), of the discharge barrel (4) is closed, a first retaining ring (5) is fixedly connected to one end, close to the sleeve (3), of the inner wall of the discharge barrel (4), a first piston (6) is slidably mounted on the inner wall of the discharge barrel (4), a first spring (7) is fixedly mounted between the inner wall of one end, away from the sleeve (3), of the discharge barrel (4) and the side wall of the first piston (6, and the outer wall bottom of the discharging barrel (4) is close to one end of the first baffle ring (5) and is fixedly connected with a discharging pipe (8), the discharging pipe (8) is communicated with the inside of the discharging barrel (4), the outer wall bottom of one side of the sleeve (3) far away from the discharging barrel (4) is fixedly connected with a feeding barrel (9), the feeding barrel (9) is communicated with the inside of the sleeve (3), one end of the feeding barrel (9) far away from the sleeve (3) is closed, the inner wall of the feeding barrel (9) is close to one end of the sleeve (3) and is fixedly connected with a second baffle ring (10), a second piston (11) is arranged in the feeding barrel (9) in a sliding manner, a second spring (12) is fixedly connected between one sides of the second baffle ring (10) and the second piston (11) close to each other, the top of the outer wall of one end of the feeding barrel (9) far away from the sleeve (3) is fixedly connected with a top (13), and the outer wall bottom of one, connecting pipe (13), inlet pipe (14) all are linked together with the inside of a feeding section of thick bamboo (9), and inlet pipe (14) keep away from the one end fixed connection of a feeding section of thick bamboo (9) on the lateral wall of sleeve (3), and the inside of inlet pipe (14) and sleeve (3) is linked together, slidable mounting has third piston (15) on the inner wall of sleeve (3), and the top side of third piston (15) rotates and is connected with connecting rod (16), rotate on the roof of support (2) and be connected with horizontally pivot (17), the one end that support (2) were kept away from in pivot (17) rotates and installs carousel (18), the one end that third piston (15) were kept away from in connecting rod (16) rotates and connects on carousel (18) keep away from the edge of one side of pivot (17).
2. The quantitative dropwise adding device of the catalyst for 3, 4-dichloroaniline preparation according to claim 1, characterized in that one end of the discharge pipe (8) far away from the discharge barrel (4) extends through the top wall of the reaction kettle (1) to the inside of the reaction kettle (1).
3. The quantitative dripping device for the catalyst for the preparation of 3, 4-dichloroaniline according to claim 1, wherein one end of the rotating shaft (17) far away from the rotating disc (18) extends through the bracket (2) to the outside and is fixedly connected to an output shaft of the motor (19), and the motor (19) is fixedly arranged on the top wall of the bracket (2).
4. The quantitative instillation device for catalysts for 3, 4-dichloroaniline production according to claim 1, wherein the height of the third piston (15) is greater than the distance between the bottom side of the discharge barrel (4) and the top side of the feed barrel (9), the width of the first piston (6) is greater than the diameter of the discharge pipe (8), and the width of the second piston (11) is greater than the diameters of the connection pipe (13) and the feed pipe (14).
5. The quantitative dropwise adding device of the catalyst for preparing 3, 4-dichloroaniline according to claim 1, wherein one end of the connecting pipe (13) far away from the feeding cylinder (9) is fixedly connected into a catalyst charging box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020525539.XU CN212040347U (en) | 2020-04-12 | 2020-04-12 | Quantitative dropwise adding device of catalyst for preparing 3, 4-dichloroaniline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020525539.XU CN212040347U (en) | 2020-04-12 | 2020-04-12 | Quantitative dropwise adding device of catalyst for preparing 3, 4-dichloroaniline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212040347U true CN212040347U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020525539.XU Expired - Fee Related CN212040347U (en) | 2020-04-12 | 2020-04-12 | Quantitative dropwise adding device of catalyst for preparing 3, 4-dichloroaniline |
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| Country | Link |
|---|---|
| CN (1) | CN212040347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643019A (en) * | 2022-05-18 | 2022-06-21 | 山东彩客新材料有限公司 | Hydrogen peroxide solution dropwise add distribution device for DATA production |
| CN115282877A (en) * | 2022-04-06 | 2022-11-04 | 江西轻竺科技股份有限公司 | Catalyst dropwise adding reaction device for resin production and operation method thereof |
-
2020
- 2020-04-12 CN CN202020525539.XU patent/CN212040347U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282877A (en) * | 2022-04-06 | 2022-11-04 | 江西轻竺科技股份有限公司 | Catalyst dropwise adding reaction device for resin production and operation method thereof |
| CN115282877B (en) * | 2022-04-06 | 2024-04-19 | 江西轻竺科技股份有限公司 | Catalyst dropwise adding reaction device for resin production and operation method thereof |
| CN114643019A (en) * | 2022-05-18 | 2022-06-21 | 山东彩客新材料有限公司 | Hydrogen peroxide solution dropwise add distribution device for DATA production |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20210412 |