CN220294686U - Debenzylation reaction device for terbutaline sulfate production - Google Patents
Debenzylation reaction device for terbutaline sulfate production Download PDFInfo
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- CN220294686U CN220294686U CN202321629276.7U CN202321629276U CN220294686U CN 220294686 U CN220294686 U CN 220294686U CN 202321629276 U CN202321629276 U CN 202321629276U CN 220294686 U CN220294686 U CN 220294686U
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- rotating shaft
- reaction device
- catalyst
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- 238000006264 debenzylation reaction Methods 0.000 title claims abstract description 22
- 229960005105 terbutaline sulfate Drugs 0.000 title claims abstract description 22
- KFVSLSTULZVNPG-UHFFFAOYSA-N terbutaline sulfate Chemical compound [O-]S([O-])(=O)=O.CC(C)(C)[NH2+]CC(O)C1=CC(O)=CC(O)=C1.CC(C)(C)[NH2+]CC(O)C1=CC(O)=CC(O)=C1 KFVSLSTULZVNPG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 207
- 239000003054 catalyst Substances 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 32
- 239000001257 hydrogen Substances 0.000 claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000007790 scraping Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 21
- 238000006243 chemical reaction Methods 0.000 abstract description 18
- 239000000126 substance Substances 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 description 6
- 238000005576 amination reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 208000006673 asthma Diseases 0.000 description 2
- 238000005893 bromination reaction Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- WQXWIKCZNIGMAP-UHFFFAOYSA-N 3',5'-Dihydroxyacetophenone Chemical compound CC(=O)C1=CC(O)=CC(O)=C1 WQXWIKCZNIGMAP-UHFFFAOYSA-N 0.000 description 1
- 206010014561 Emphysema Diseases 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 206010006451 bronchitis Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000030603 inherited susceptibility to asthma Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of chemical pharmacy, in particular to a debenzylation reaction device for terbutaline sulfate production, which comprises a body, wherein the top of the body is provided with a feed inlet and a catalyst inlet, and the bottom of the body is provided with a discharge outlet; a stirring shaft with a hollow structure is arranged in the body, one end of the stirring shaft is connected with a hydrogen inlet pipe, a first rotating shaft and a second rotating shaft are arranged on two sides of the stirring shaft, and the stirring shaft, the first rotating shaft and the second rotating shaft are connected with a motor through transmission parts; the stirring shaft is provided with a first stirring part and a second stirring part which are communicated with the stirring shaft, and the first stirring part and the second stirring part are respectively provided with a plurality of air distribution holes; the upper part of the first stirring component is provided with a catalyst distributor, and the first rotating shaft and the second rotating shaft are respectively provided with auxiliary stirring components. Above-mentioned reaction unit, structural design is reasonable for material, gas and catalyst contact uniformly, have improved reaction efficiency greatly.
Description
Technical Field
The utility model relates to the technical field of chemical pharmacy, in particular to a debenzylation reaction device for terbutaline sulfate production.
Background
Terbutaline sulfate is mainly used for treating bronchial asthma, asthmatic bronchitis, emphysema and the like. The existing technological route of terbutaline sulfate is to take 3, 5-dihydroxyacetophenone as a starting material, and finally obtain the required terbutaline sulfate product through five steps of reactions of bromination, amination, debenzylation, reduction and salification. In actual production, the materials after bromination reaction are added into amination materials, and the intermediate obtained through centrifugal separation of the reaction is added with a catalyst and then introduced with hydrogen for debenzylation reaction. However, in the existing debenzylation reaction device, hydrogen enters the reaction kettle through a pipeline penetrating into the bottom of the kettle body, and a catalyst is directly put into the reaction kettle and is stirred and mixed by using a stirring component, but the reaction kettle with the structure causes uneven mixing of the material, the gas and the catalyst, and affects the reaction efficiency; therefore, in view of the above problems, it is necessary to develop a debenzylation reaction device for terbutaline sulfate.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the debenzylation reaction device for terbutaline sulfate production is provided, gas can be uniformly dispersed by using the reaction device, and materials, gas and catalyst are fully contacted and reacted, so that the reaction efficiency is greatly improved.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the debenzylation reaction device for terbutaline sulfate production comprises a body, wherein the top of the body is provided with a feed inlet and a catalyst inlet, and the bottom of the body is provided with a discharge outlet; the stirring shaft with a hollow structure is arranged in the body, one end of the stirring shaft is connected with a hydrogen inlet pipe, a first rotating shaft and a second rotating shaft are arranged on two sides of the stirring shaft, and the stirring shaft, the first rotating shaft and the second rotating shaft are connected with a motor through transmission parts; the stirring shaft is provided with a first stirring component and a second stirring component which are communicated with the stirring shaft, and the first stirring component and the second stirring component are respectively provided with a plurality of air distribution holes; the upper portion of first stirring part is equipped with the catalyst distributing device, be equipped with auxiliary stirring part respectively on first pivot and the second pivot.
As an improved technical scheme, the catalyst distributor comprises a distribution plate, a baffle is arranged on the periphery of the distribution plate, and a plurality of distribution holes are respectively formed in the distribution plate and the baffle.
As an improved technical scheme, the stirring shaft penetrates through the distributing disc, a scraping plate is arranged in the distributing disc, and the scraping plate is fixedly connected with the stirring shaft.
As an improved technical scheme, the transmission part comprises a large gear arranged on the output shaft of the motor and a small gear arranged on the stirring shaft and meshed with the large gear; the first rotating shaft, the second rotating shaft and the stirring shaft are driven by a belt and a belt pulley.
As an improved technical scheme, the first stirring part comprises a stirring disc, a plurality of air distribution pipes communicated with the stirring disc are arranged at the bottom of the stirring disc, and a plurality of air distribution holes are formed in the air distribution pipes.
As an improved technical scheme, a plurality of gas distribution pipes are distributed at the bottom of the stirring disc in different heights.
As an improved technical scheme, the periphery of the stirring disc is provided with a plurality of auxiliary stirring blocks communicated with the stirring disc, and the auxiliary stirring blocks are provided with a plurality of through holes.
As an improved technical scheme, the second stirring part comprises a stirring ring with a hollow structure, a plurality of stirring rods which are communicated with the stirring ring and with a hollow structure are arranged on the stirring ring, and a plurality of air distribution holes are formed in the stirring rods.
As an improved technical scheme, the auxiliary stirring component comprises a plurality of stirring rods, wherein a plurality of fan-shaped blades are arranged on the stirring rods, and a plurality of through holes are formed in the fan-shaped blades.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the debenzylation reaction device for terbutaline sulfate production comprises a body, wherein the top of the body is provided with a feed inlet and a catalyst inlet, and the bottom of the body is provided with a discharge outlet; a stirring shaft with a hollow structure is arranged in the body, one end of the stirring shaft is connected with a hydrogen inlet pipe, a first rotating shaft and a second rotating shaft are arranged on two sides of the stirring shaft, and the stirring shaft, the first rotating shaft and the second rotating shaft are connected with a motor through transmission parts; the stirring shaft is provided with a first stirring part and a second stirring part which are communicated with the stirring shaft, and the first stirring part and the second stirring part are respectively provided with a plurality of air distribution holes; the upper part of the first stirring component is provided with a catalyst distributor, and the first rotating shaft and the second rotating shaft are respectively provided with auxiliary stirring components. Starting a motor in actual production, adding an intermediate obtained by amination reaction from a feed inlet, adding a catalyst from a catalyst inlet, enabling hydrogen to enter the inside of a stirring shaft along a hydrogen inlet pipe, then uniformly dispersing through air distribution holes in the inside of a first stirring part and a second stirring part, and fully stirring and mixing materials, the catalyst and gas in a body by the first stirring part, the second stirring part, the first rotating shaft, the second rotating shaft and an auxiliary stirring part, so that material contact is promoted, and the reaction efficiency is greatly improved. Above-mentioned reaction unit, structural design is reasonable for material, gas and catalyst contact uniformly, have improved reaction efficiency greatly.
The catalyst distributor comprises a distributing disc, a baffle is arranged on the periphery of the distributing disc, and a plurality of distributing holes are respectively arranged on the distributing disc and the baffle. The catalyst falls into the distribution tray from the catalyst inlet, uniformly disperses through the distribution holes, and then is stirred and mixed along with the stirring shaft and the stirring part to promote the rapid reaction of materials.
Because the stirring shaft passes the cloth dish, and the inside of cloth dish is equipped with scrapes the flitch, scrapes flitch and stirring shaft fixed connection. The stirring shaft rotates in the body to drive the scraping plate to move circumferentially in the body, the scraping plate spreads out the catalyst, and the catalyst uniformly spreads out in the body through the distribution holes. The catalyst dispersing device is reasonable in design and is more beneficial to uniform dispersion of the catalyst.
The transmission part comprises a large gear arranged on the output shaft of the motor and a small gear which is arranged on the stirring shaft and meshed with the large gear; the first rotating shaft, the second rotating shaft and the stirring shaft are driven by a belt and a belt pulley. By adopting the transmission part, the stirring shaft, the first rotating shaft and the second rotating shaft are driven.
Because the first stirring part comprises a stirring disc, the bottom of the stirring disc is provided with a plurality of air distribution pipes communicated with the stirring disc, and a plurality of air distribution holes are formed in the air distribution pipes. The hydrogen enters the stirring disc along the hydrogen inlet pipe, then enters the inside of a plurality of gas distribution pipes, uniformly disperses through the gas distribution holes, and then the stirring disc stirs and mixes materials and gas along with the stirring shaft. The first stirring part of above-mentioned structure reasonable in design has realized on the one hand to the even dispersion of hydrogen, and on the other hand has still realized the stirring mix to material and gas.
The plurality of gas distribution pipes are distributed at the bottom of the stirring disc in different heights. The hydrogen enters a plurality of gas distribution pipes with different heights and uniformly distributes through the holes of the distributor. This design is convenient for gas evenly distributed in different positions of body.
Because the periphery of agitator disk is equipped with a plurality of auxiliary stirring pieces that are linked together with the agitator disk, be equipped with a plurality of through-holes on the auxiliary stirring piece. The hydrogen enters the stirring disc and then enters the auxiliary stirring block, and uniformly disperses through the through holes. Through setting up supplementary stirring piece, on the one hand increased gas distribution scope, on the other hand still increased stirring scope, improved mixing efficiency greatly.
Because the second stirring part comprises a stirring ring with a hollow structure, a plurality of stirring rods which are communicated with the stirring ring and with a hollow structure are arranged on the stirring ring, and a plurality of air distribution holes are arranged on the stirring rods. The gas enters the stirring ring and then uniformly disperses through the air distribution holes in the stirring rod. The second stirring part of above-mentioned structure reasonable in design has realized on the one hand to gaseous even dispersion, and on the other hand has still realized the stirring mixing to material, gas and catalyst, has improved mixing efficiency greatly.
Because the auxiliary stirring part comprises a plurality of stirring rods, a plurality of fan-shaped blades are arranged on the stirring rods, and a plurality of through holes are formed in the fan-shaped blades. Stirring rod and fan-shaped blade are along with the rotation of first pivot or second pivot at the inside circumference motion of body, stir the mixture to inside material, the gas of body and catalyst, have improved mixing efficiency greatly, promote the material reaction.
Drawings
FIG. 1 is a schematic structural diagram of a debenzylation reaction device for terbutaline sulfate production of the present utility model;
the device comprises a 1-body, a 2-stirring shaft, a 20-first stirring component, a 200-stirring disc, a 201-gas distribution pipe, a 202-auxiliary stirring block, a 21-second stirring component, a 210-stirring ring, a 211-stirring rod, a 212-connecting rod, a 3-hydrogen inlet pipe, a 4-first rotating shaft, a 40-auxiliary stirring component, a 400-stirring rod, a 401-fan-shaped blade, a 5-second rotating shaft, a 6-motor, a 7-transmission component, a 70-large gear, a 71-small gear, a 72-belt pulley, a 73-belt, an 8-catalyst distributor, an 80-distributing disc, an 81-baffle plate and a 9-scraping plate.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The debenzylation reaction device for terbutaline sulfate production comprises a body 1, wherein a jacket is arranged outside the body, a feed inlet and a catalyst inlet are formed in the top of the body, and a discharge outlet is formed in the bottom of the body; the inside of the body is provided with a stirring shaft 2 with a hollow structure, one end of the stirring shaft 2 is connected with a hydrogen inlet pipe 3 through a rotary joint, two sides of the stirring shaft 2 are provided with a first rotating shaft 4 and a second rotating shaft 5, and the stirring shaft 2, the first rotating shaft 4 and the second rotating shaft 5 are connected with a motor 6 through a transmission part 7; the stirring shaft 2 is provided with a first stirring part 20 and a second stirring part 21 which are communicated with the stirring shaft 2, and the first stirring part 20 and the second stirring part 21 are respectively provided with a plurality of air distribution holes; the upper part of the first stirring member 20 is provided with a catalyst distributor 8, and the first rotating shaft 4 and the second rotating shaft 5 are respectively provided with auxiliary stirring members 40. Wherein the catalyst distributor 8 comprises a distributing disc 80, a baffle 81 is arranged at the periphery of the distributing disc 80, and a plurality of distributing holes are respectively arranged on the distributing disc 80 and the baffle 81.
Starting a motor in actual production, adding an intermediate obtained by amination reaction from a feed inlet, adding a catalyst from a catalyst inlet, firstly falling into a distribution plate, uniformly dispersing the catalyst in the body through a distribution hole, allowing hydrogen to enter the stirring shaft along a hydrogen inlet pipe, uniformly dispersing the catalyst in the first stirring part and the second stirring part through the distribution hole, fully stirring and mixing materials, the catalyst and gas in the body through the first stirring part, the second stirring part, the first rotating shaft, the second rotating shaft and an auxiliary stirring part, promoting material contact, utilizing a heating medium in a jacket to provide the temperature required by reaction, and greatly improving the reaction efficiency.
Wherein (2) the (70) of stirring shaft passes, and the inside of cloth dish (70) is equipped with scrapes flitch (9), scrapes flitch (9) and (9) fixed connection. The stirring shaft rotates in the body to drive the scraping plate to move circumferentially in the body, the scraping plate spreads out the catalyst, and the catalyst uniformly spreads out in the body through the distribution holes. The catalyst dispersing device is reasonable in design and is more beneficial to uniform dispersion of the catalyst.
Wherein the transmission part 7 comprises a large gear 70 arranged on the output shaft of the motor and a small gear 71 which is arranged on the stirring shaft and meshed with the large gear 70; the first rotating shaft, the second rotating shaft and the stirring shaft are driven by a belt 72 and a belt pulley 71. By adopting the transmission part, the stirring shaft, the first rotating shaft and the second rotating shaft are driven.
Wherein the first stirring part 20 comprises a stirring disc 200 (which is communicated with a stirring shaft through a connecting pipe), a plurality of air distribution pipes 201 communicated with the stirring disc 200 are arranged at the bottom of the stirring disc 200, and a plurality of air distribution holes are arranged on the air distribution pipes 201. The hydrogen enters the stirring disc along the hydrogen inlet pipe, then enters the inside of a plurality of gas distribution pipes, uniformly disperses through the gas distribution holes, and then the stirring disc stirs and mixes materials and gas along with the stirring shaft. The first stirring part of above-mentioned structure reasonable in design has realized on the one hand to the even dispersion of hydrogen, and on the other hand has still realized the stirring mix to material and gas.
Wherein a plurality of gas distribution pipes 201 are distributed at the bottom of the stirring disk 200 at different heights. The hydrogen enters a plurality of gas distribution pipes with different heights and uniformly distributes through the holes of the distributor. This design is convenient for gas evenly distributed in different positions of body.
Wherein the periphery of stirring disk 200 is equipped with a plurality of auxiliary stirring pieces 202 that are linked together with the stirring disk, is equipped with a plurality of through-holes on the auxiliary stirring piece 202. The hydrogen enters the stirring disc and then enters the auxiliary stirring block, and uniformly disperses through the through holes. Through setting up supplementary stirring piece, on the one hand increased gas distribution scope, on the other hand still increased stirring scope, improved mixing efficiency greatly.
The second stirring member 21 includes a hollow stirring ring 210 (a stirring shaft is connected through a hollow connecting rod 212), a plurality of stirring rods 211 connected with the stirring ring 210 are disposed on the stirring ring 210, and a plurality of air distribution holes are disposed on the stirring rods 211. The gas enters the stirring ring and then uniformly disperses through the air distribution holes in the stirring rod. The second stirring part of above-mentioned structure reasonable in design has realized on the one hand to gaseous even dispersion, and on the other hand has still realized the stirring mixing to material, gas and catalyst, has improved mixing efficiency greatly.
Wherein the auxiliary stirring member 40 comprises a plurality of stirring bars 400, a plurality of fan-shaped blades 401 are arranged on the stirring bars 400, and a plurality of through holes are arranged on the fan-shaped blades. Stirring rod and fan-shaped blade are along with the rotation of first pivot or second pivot at the inside circumference motion of body, stir the mixture to inside material, the gas of body and catalyst, have improved mixing efficiency greatly, promote the material reaction.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The debenzylation reaction device for terbutaline sulfate production is characterized in that: the catalyst device comprises a body, wherein a feed inlet and a catalyst inlet are formed in the top of the body, and a discharge outlet is formed in the bottom of the body; the stirring shaft with a hollow structure is arranged in the body, one end of the stirring shaft is connected with a hydrogen inlet pipe, a first rotating shaft and a second rotating shaft are arranged on two sides of the stirring shaft, and the stirring shaft, the first rotating shaft and the second rotating shaft are connected with a motor through transmission parts; the stirring shaft is provided with a first stirring component and a second stirring component which are communicated with the stirring shaft, and the first stirring component and the second stirring component are respectively provided with a plurality of air distribution holes; the upper portion of first stirring part is equipped with the catalyst distributing device, be equipped with auxiliary stirring part respectively on first pivot and the second pivot.
2. The debenzylation reaction device for terbutaline sulfate production according to claim 1, wherein: the catalyst distributing device comprises a distributing disc, a baffle is arranged on the periphery of the distributing disc, and a plurality of distributing holes are respectively formed in the distributing disc and the baffle.
3. The debenzylation reaction device for terbutaline sulfate production according to claim 2, wherein: the stirring shaft penetrates through the distributing disc, a scraping plate is arranged in the distributing disc, and the scraping plate is fixedly connected with the stirring shaft.
4. The debenzylation reaction device for terbutaline sulfate production according to claim 1, wherein: the transmission part comprises a large gear arranged on the output shaft of the motor and a small gear which is arranged on the stirring shaft and meshed with the large gear; the first rotating shaft, the second rotating shaft and the stirring shaft are driven by a belt and a belt pulley.
5. The debenzylation reaction device for terbutaline sulfate production according to claim 1, wherein: the first stirring part comprises a stirring disc, a plurality of air distribution pipes communicated with the stirring disc are arranged at the bottom of the stirring disc, and a plurality of air distribution holes are formed in the air distribution pipes.
6. The debenzylation reaction device for terbutaline sulfate production according to claim 5, wherein: the plurality of gas distribution pipes are distributed at the bottom of the stirring disc in different heights.
7. The debenzylation reaction device for terbutaline sulfate production according to claim 5, wherein: the periphery of agitator disk be equipped with a plurality of with the auxiliary stirring piece that the agitator disk is linked together, be equipped with a plurality of through-holes on the auxiliary stirring piece.
8. The debenzylation reaction device for terbutaline sulfate production according to claim 1, wherein: the second stirring part comprises a stirring ring with a hollow structure, a plurality of stirring rods which are communicated with the stirring ring and with a hollow structure are arranged on the stirring ring, and a plurality of air distribution holes are formed in the stirring rods.
9. The debenzylation reaction device for terbutaline sulfate production according to claim 1, wherein: the auxiliary stirring component comprises a plurality of stirring rods, a plurality of fan-shaped blades are arranged on the stirring rods, and a plurality of through holes are formed in the fan-shaped blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321629276.7U CN220294686U (en) | 2023-06-26 | 2023-06-26 | Debenzylation reaction device for terbutaline sulfate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321629276.7U CN220294686U (en) | 2023-06-26 | 2023-06-26 | Debenzylation reaction device for terbutaline sulfate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220294686U true CN220294686U (en) | 2024-01-05 |
Family
ID=89371834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321629276.7U Active CN220294686U (en) | 2023-06-26 | 2023-06-26 | Debenzylation reaction device for terbutaline sulfate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220294686U (en) |
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2023
- 2023-06-26 CN CN202321629276.7U patent/CN220294686U/en active Active
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