CN216296292U

CN216296292U - Synthetic corrosion-resistant reation kettle that uses of p-acetamido benzene sulfonyl chloride

Info

Publication number: CN216296292U
Application number: CN202122934683.6U
Authority: CN
Inventors: 刘永超; 钱炜雯
Original assignee: Wugan Pharmaceutical Suzhou Co ltd
Current assignee: Wugan Pharmaceutical Suzhou Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-15
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride, which comprises a reaction kettle body, wherein a corrosion-resistant layer is arranged on the inner wall of the reaction kettle body, a feeding pipe is inserted into the side wall of one end of the reaction kettle body in a penetrating manner, a medicine feeding hopper and a discharging pipe are inserted into the side wall of the other end of the reaction kettle body in a penetrating manner, a motor is fixed at the bottom of the reaction kettle body, a main shaft of the motor penetrates to the upper end of the corrosion-resistant layer and is fixed with a rotating shaft, and a plurality of stirring plates are fixed on the circumferential side wall of the rotating shaft. In this device, through setting up drive arrangement, can realize reciprocating of piece is scraped to the annular in the rotatory in-process of pivot, utilize the annular that offsets with the corrosion-resistant layer to scrape the removal of piece, combine the rotation of the fixed block that offsets with the corrosion-resistant layer, can realize scraping attached to the medicament with the corrosion-resistant layer to can avoid the long-time contact of medicament and corrosion-resistant layer, can make corrosion-resistant layer corrosion-resistant effect better.

Description

Synthetic corrosion-resistant reation kettle that uses of p-acetamido benzene sulfonyl chloride

Technical Field

The utility model relates to the technical field of chemical intermediate synthesis, in particular to a corrosion-resistant reaction kettle for synthesizing p-acetamido-benzenesulfonyl chloride.

Background

The p-acetamido-benzenesulfonyl chloride is a chemical substance, is an organic intermediate, is easy to absorb moisture to cause decomposition, is not suitable for long-term storage, is generally used for preparing other products immediately after being prepared by a production plant, is filled with nitrogen for sealed storage, and is mainly used as an intermediate of various sulfanilamide medicaments, such as sulfathiazole, sulfisoxazole, sulfamethoxazole, sulfaphenazole, sulfadimidine and the like, and is also a dye intermediate;

traditional reation kettle inner wall adheres to chemical industry liquid medicine easily, the subsequent clearance of reation kettle not be convenient for, lead to the corrosion damage of reation kettle inner wall easily after the long time simultaneously, can influence reation kettle's corrosion resistance, and then can reduce reation kettle's life, traditional reation kettle stirring effect is relatively poor moreover to can influence the synthetic efficiency of chemical industry, therefore we need design a section and mix the better synthetic corrosion-resistant reation kettle of using of effect to acetamido benzene sulfonyl chloride.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of poor corrosion resistance and poor mixing effect in the prior art, and provides a corrosion-resistant reaction kettle for synthesizing p-acetamido-benzenesulfonyl chloride.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a synthetic corrosion-resistant reation kettle that uses of p-acetamido benzene sulfonyl chloride, includes the reation kettle body, the inner wall of reation kettle body is provided with the corrosion-resistant layer, the one end lateral wall of reation kettle body is run through and is inserted and be equipped with the inlet pipe, the other end lateral wall of reation kettle body is run through and is inserted and be equipped with medicine hopper and discharging pipe, the bottom of reation kettle body is fixed with the motor, the main shaft of motor runs through to the upper end on corrosion-resistant layer and is fixed with the pivot, the circumference lateral wall of pivot is fixed with a plurality of stirring boards, the upper end of reation kettle body is provided with drive arrangement, the inside of reation kettle body is provided with clearing device.

Preferably, drive arrangement is including being fixed in the fixed case of reation kettle body upper end, the interior top of fixed case is connected with driving lever and driven lever through the bearing rotation, the bottom of driving lever runs through to the inside of reation kettle body and fixed with the upper end of pivot, the driven lever is reciprocal lead screw.

Preferably, the circumference lateral wall screw thread of driven lever is connected with the slide, the circumference lateral wall of driving lever is established to the slide cover, the bottom of slide is fixed with a plurality of connecting rods.

Preferably, a driving wheel is fixed to the circumferential side wall of the driving rod, a driven wheel is fixed to the circumferential side wall of the driven rod, and the driving wheel is meshed with the driven wheel.

Preferably, the clearing device comprises an annular scraping block connected with the inner wall of the corrosion-resistant layer in a sliding mode, the bottoms of the connecting rods penetrate through the inside of the reaction kettle body and are fixed to the upper end of the annular scraping block, and a plurality of fixing blocks are fixed to the circumferential side wall of the rotating shaft.

Preferably, the fixed block is an L-shaped block, the fixed block abuts against the inner wall of the corrosion-resistant layer, and a fixed rod is fixed at the upper end of the fixed block.

Compared with the prior art, the utility model has the advantages that:

1. in the device, the driving device is arranged, so that the annular scraping block can move up and down in the rotating process of the rotating shaft, and the agents attached to the corrosion-resistant layer can be scraped by utilizing the movement of the annular scraping block abutted against the corrosion-resistant layer and combining the rotation of the fixing block abutted against the corrosion-resistant layer, so that the long-time contact between the agents and the corrosion-resistant layer can be avoided, and the corrosion-resistant effect of the corrosion-resistant layer can be better;

2. in this device, the piece is scraped to the annular that utilizes to reciprocate, can realize mixing in turn from top to bottom to the inside medicament of reation kettle body, is in simultaneously under the effect of fixed block and dead lever under the rotating condition, can realize the remixing to the bottom mixture in the reation kettle body, can make the mixing of medicament more even to can make the synthetic effect of para-acetamido benzene sulfonyl chloride better.

Drawings

FIG. 1 is a schematic structural diagram of a corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride, which is provided by the utility model;

FIG. 2 is a front view of a corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a sectional view taken along line B of fig. 1.

In the figure: the reaction kettle comprises a reaction kettle body 1, a corrosion-resistant layer 2, a feeding pipe 3, a dosing hopper 4, a discharging pipe 5, a motor 6, a rotating shaft 7, a stirring plate 8, a fixed box 9, a driving rod 10, a driven rod 11, a sliding plate 12, a connecting rod 13, a driving wheel 14, a driven wheel 15, an annular scraping block 16, a fixed block 17 and a fixed rod 18.

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.

Referring to fig. 1-4, a synthetic corrosion-resistant reation kettle that uses of p-acetamido benzene sulfonyl chloride, including reation kettle body 1, reation kettle body 1's inner wall is provided with corrosion-resistant layer 2, corrosion-resistant layer 2 adopts polytetrafluoroethylene to make, corrosion resistance is better, reation kettle body 1's one end lateral wall is run through and is inserted and be equipped with inlet pipe 3, reation kettle body 1's the other end lateral wall is run through and is inserted and be equipped with medicine feeding fill 4 and discharging pipe 5, discharging pipe 5 corresponds with reation kettle body 1's interior bottom, reation kettle body 1's bottom is fixed with motor 6, motor 6's main shaft runs through to corrosion-resistant layer 2's upper end and is fixed with pivot 7, the circumference lateral wall of pivot 7 is fixed with a plurality of stirring boards 8, reation kettle body 1's upper end is provided with drive arrangement, reation kettle body 1's inside is provided with clearing device.

The driving device comprises a fixed box 9 fixed at the upper end of the reaction kettle body 1, the inner top of the fixed box 9 is rotatably connected with a driving rod 10 and a driven rod 11 through a bearing, the bottom of the driving rod 10 penetrates into the reaction kettle body 1 and is fixed with the upper end of the rotating shaft 7, and the driven rod 11 is a reciprocating screw rod; a sliding plate 12 is rotatably connected to the circumferential side wall of the driven rod 11 in a threaded manner, the sliding plate 12 is sleeved on the circumferential side wall of the driving rod 10, and a plurality of connecting rods 13 are fixed at the bottom of the sliding plate 12; a driving wheel 14 is fixed on the circumferential side wall of the driving rod 10, a driven wheel 15 is fixed on the circumferential side wall of the driven rod 11, and the driving wheel 14 is meshed with the driven wheel 15; the clearing device comprises an annular scraping block 16 which is connected with the inner wall of the corrosion-resistant layer 2 in a sliding way, the bottoms of a plurality of connecting rods 13 penetrate through the inside of the reaction kettle body 1 and are fixed with the upper end of the annular scraping block 16, and a plurality of fixing blocks 17 are fixed on the circumferential side wall of the rotating shaft 7; fixed block 17 is L type piece, fixed block 17 offsets with corrosion resistant layer 2 inner wall, the upper end of fixed block 17 is fixed with dead lever 18, through setting up drive arrangement, can realize reciprocating of piece 16 is scraped to the annular in the rotatory in-process of pivot 7, utilize the removal of scraping piece 16 with the annular that corrosion resistant layer 2 offsets, combine the rotation with the fixed block 17 that corrosion resistant layer 2 offsets, can realize scraping attached with corrosion resistant layer 2's medicament, thereby can avoid medicament and corrosion resistant layer 2's long-time contact, can make corrosion resistant layer 2 corrosion-resistant effect better.

According to the utility model, in the synthesis process of p-acetamidobenzenesulfonyl chloride, the preparation raw materials are added along the feeding pipe 3, then the motor 6 is started, so that the main shaft of the motor 6 drives the rotating shaft 7 to rotate, further the rotation of the plurality of stirring plates 8 and the fixed block 17 can be realized, the raw materials in the reaction kettle body 1 can be fully mixed, and the medicine feeding hopper 4 is arranged, so that corresponding medicines can be added in the synthesis process of p-acetamidobenzenesulfonyl chloride, and the synthesis is convenient;

in the rotating process of the rotating shaft 7, the driving rod 10 can be driven to rotate, the driving wheel 14 is meshed with the driven wheel 15, the driven rod 11 which is a reciprocating screw rod can rotate in the rotating process of the driving rod 10, so that the sliding plate 12 can slide up and down along the driving rod 10, the annular scraping blocks 16 can move up and down under the driving of the connecting rods 13, and the agents attached to the corrosion-resistant layer 2 can be scraped by the aid of the movement of the annular scraping blocks 16 abutting against the corrosion-resistant layer 2, so that the agents can be prevented from contacting the corrosion-resistant layer 2 for a long time, and the corrosion-resistant effect of the corrosion-resistant layer 2 is better;

simultaneously scrape the piece 16 at the annular and reciprocate the in-process, can realize mixing in turn from top to bottom carrying on to the inside medicament of reation kettle body 1, simultaneously under the effect of fixed block 17 and dead lever 18 under the rotation state, can realize mixing once more to the bottom mixture in reation kettle body 1, can make the mixing of medicament more even to can make the synthetic effect of p-acetamido benzene sulfonyl chloride better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a synthetic corrosion-resistant reation kettle that uses of p-acetamido benzene sulfonyl chloride, includes reation kettle body (1), its characterized in that, the inner wall of reation kettle body (1) is provided with corrosion-resistant layer (2), the one end lateral wall of reation kettle body (1) runs through to be inserted and is equipped with inlet pipe (3), the other end lateral wall of reation kettle body (1) runs through to be inserted and is equipped with medicine hopper (4) and discharging pipe (5), the bottom of reation kettle body (1) is fixed with motor (6), the main shaft of motor (6) runs through to the upper end on corrosion-resistant layer (2) and is fixed with pivot (7), the circumference lateral wall of pivot (7) is fixed with a plurality of stirring boards (8), the upper end of reation kettle body (1) is provided with drive arrangement, the inside of reation kettle body (1) is provided with clearing device.

2. The corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride according to claim 1, wherein the driving device comprises a fixed box (9) fixed at the upper end of the reaction kettle body (1), the inner top of the fixed box (9) is rotatably connected with a driving rod (10) and a driven rod (11) through a bearing, the bottom of the driving rod (10) penetrates through the inside of the reaction kettle body (1) and is fixed with the upper end of the rotating shaft (7), and the driven rod (11) is a reciprocating screw rod.

3. The corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride as claimed in claim 2, wherein a sliding plate (12) is rotatably connected to the circumferential side wall of the driven rod (11) in a threaded manner, the sliding plate (12) is sleeved on the circumferential side wall of the driving rod (10), and a plurality of connecting rods (13) are fixed at the bottom of the sliding plate (12).

4. The corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride as claimed in claim 3, wherein a driving wheel (14) is fixed on the circumferential side wall of the driving rod (10), a driven wheel (15) is fixed on the circumferential side wall of the driven rod (11), and the driving wheel (14) and the driven wheel (15) are meshed.

5. The corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride according to claim 3, wherein the removing device comprises an annular scraping block (16) slidably connected with the inner wall of the corrosion-resistant layer (2), the bottoms of the connecting rods (13) penetrate through the inside of the reaction kettle body (1) and are fixed with the upper end of the annular scraping block (16), and a plurality of fixing blocks (17) are fixed on the circumferential side wall of the rotating shaft (7).

6. The corrosion-resistant reaction kettle for synthesizing p-acetamidobenzenesulfonyl chloride as claimed in claim 5, wherein said fixing block (17) is an L-shaped block, said fixing block (17) is abutted against the inner wall of said corrosion-resistant layer (2), and a fixing rod (18) is fixed at the upper end of said fixing block (17).