CN216879361U - Pressurized hydrolysis reaction device for preparing mercaptopropionic acid - Google Patents

Abstract

The utility model discloses a pressurized hydrolysis reaction device for preparing mercaptopropionic acid, which comprises a bottom plate, wherein the top of the bottom plate is connected with a reaction mechanism through a bolt, the top of the reaction mechanism is connected with a stirring mechanism through a bolt, the left side and the right side of the top of the reaction mechanism are both communicated with feed valves, and the top of the reaction mechanism is fixedly connected with a cleaning mechanism in a penetrating manner. The reaction device has the advantages that the interior of the reaction device can be conveniently cleaned, the working strength of personnel is reduced, the cleaning efficiency is improved, raw materials are stirred more uniformly, and the reaction device is favorable for subsequent preparation.

Description

Pressurized hydrolysis reaction device for preparing mercaptopropionic acid

Technical Field

The utility model relates to the technical field of mercaptopropionic acid preparation, in particular to a pressurized hydrolysis reaction device for preparing mercaptopropionic acid.

Background

Mercaptopropionic acid is an organic substance of the chemical formula C3H6O2S, is a transparent liquid, has a strong sulfide odor, is odorous, toxic, an alias of chinese, β -mercaptopropionic acid, thiopropanoic acid, 3-mercaptopropionic acid, beta-thiopropanoic acid, which is an intermediate of pharmaceutical fenamic acid, and is also used as a stabilizer for polyvinyl chloride.

In the mercaptopropionic acid production process, can add acid hydrolysis after acrylonitrile and sodium hydrosulfide addition reaction, the equipment that the hydrolysis process used adopts to take the open enamel reactor device of clamp cover usually, and current hydrolysis reactor device is inconvenient inside wasing after using the completion, has increased personnel's working strength, has reduced the cleaning efficiency, and is not enough even to the raw materials stirring simultaneously, is unfavorable for the subsequent preparation of mercaptopropionic acid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressurized hydrolysis reaction device for preparing mercaptopropionic acid, which has the advantages of conveniently cleaning the interior of the reaction device, reducing the working strength of personnel, improving the cleaning efficiency, stirring raw materials more uniformly and facilitating subsequent preparation, and solves the problems that the conventional hydrolysis reaction kettle device is inconvenient to clean the interior after being used, increases the working strength of personnel, reduces the cleaning efficiency, and is not uniform enough to stir the raw materials and not beneficial to the subsequent preparation of the mercaptopropionic acid.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pressurization hydrolysis reaction unit of preparation mercaptopropionic acid, includes the bottom plate, there is reaction mechanism at the top of bottom plate through bolted connection, there is rabbling mechanism at reaction mechanism's top through bolted connection, the left and right sides at reaction mechanism top all communicates there is the feed valve, fixedly connected with wiper mechanism is run through at reaction mechanism's top, the left side intercommunication of reaction mechanism bottom has water-collecting mechanism, there is the controller at water-collecting mechanism's top through bolted connection.

Preferably, the reaction mechanism comprises a reaction tank, the left side and the right side of the bottom of the reaction tank are respectively communicated with a first electromagnetic valve and a second electromagnetic valve, and the left side and the right side of the reaction tank are both communicated with heat exchange tubes.

Preferably, rabbling mechanism includes agitator motor and mounting panel, agitator motor's output shaft runs through to the bottom of mounting panel, and the surface is equipped with stirring tooth, puddler and scraper blade mechanism respectively, scraper blade mechanism includes the diaphragm, the casing has all been welded to the left and right sides of diaphragm, the equal fixedly connected with connecting plate in one side that two spacing springs are opposite is controlled to the inner chamber fixedly connected with of casing, one side that spacing spring was kept away from to the connecting plate runs through to the outside of casing and fixedly connected with washs the scraper blade.

Preferably, the cleaning mechanism comprises a cleaning water pump, a water inlet pipe of the cleaning water pump is communicated with a cleaning water tank, the rear side of the top of the cleaning water tank is communicated with a water injection hopper, a water outlet pipe of the cleaning water pump is communicated with an annular cleaning pipe, and the bottom of the annular cleaning pipe penetrates through the inner cavity of the reaction mechanism.

Preferably, the water collecting mechanism comprises a water collecting tank, and the bottom of the rear side of the water collecting tank is communicated with a drain valve.

Preferably, the output end of the controller is respectively and electrically connected with the reaction mechanism, the stirring mechanism, the feeding valve and the cleaning mechanism, and the four corners of the bottom plate are fixedly connected with supporting blocks.

Compared with the prior art, the utility model has the following beneficial effects:

the reaction device has the advantages that the reaction device is convenient to clean the interior of the reaction device, the working strength of personnel is reduced, the cleaning efficiency is improved, raw materials are stirred more uniformly, the subsequent preparation is facilitated, and the reaction device is worthy of popularization.

Drawings

FIG. 1 is an isometric view of a structure of the present invention;

FIG. 2 is a rear isometric view of the structure of the present invention;

FIG. 3 is a cut-away isometric view of a reaction mechanism of the present invention;

fig. 4 is a cut-away isometric view of the scraper mechanism of the present invention.

In the figure: the device comprises a base plate 1, a controller 2, a water collecting mechanism 3, a cleaning scraper 4, a reaction mechanism 5, a cleaning mechanism 6, a stirring mechanism 7, a feed valve 8, a water injection bucket 9, a cleaning water tank 10, a cleaning water pump 11, a ring-shaped cleaning pipe 12, a water discharge valve 13, a water collection tank 14, a stirring motor 15, a scraper mechanism 16, a stirring tooth 17, a mounting plate 18, a stirring rod 19, a first electromagnetic valve 20, a reaction tank 21, a second electromagnetic valve 22, a heat exchange pipe 23, a connecting plate 24, a shell 25, a transverse plate 26 and a limiting spring 27.

Detailed Description

Referring to fig. 1-4, a pressurized hydrolysis reaction device for preparing mercaptopropionic acid comprises a bottom plate 1, wherein the top of the bottom plate 1 is connected with a reaction mechanism 5 through a bolt, the top of the reaction mechanism 5 is connected with a stirring mechanism 7 through a bolt, the left side and the right side of the top of the reaction mechanism 5 are both communicated with a feed valve 8, the top of the reaction mechanism 5 is fixedly connected with a cleaning mechanism 6 in a penetrating manner, the left side of the bottom of the reaction mechanism 5 is communicated with a water collecting mechanism 3, and the top of the water collecting mechanism 3 is connected with a controller 2 through a bolt;

the reaction mechanism 5 comprises a reaction tank 21, the left side and the right side of the bottom of the reaction tank 21 are respectively communicated with a first electromagnetic valve 20 and a second electromagnetic valve 22, and the left side and the right side of the reaction tank 21 are both communicated with a heat exchange tube 23;

the stirring mechanism 7 comprises a stirring motor 15 and a mounting plate 18, an output shaft of the stirring motor 15 penetrates to the bottom of the mounting plate 18, the surface of the output shaft is respectively sleeved with a stirring tooth 17, a stirring rod 19 and a scraper mechanism 16, the scraper mechanism 16 comprises a transverse plate 26, shells 25 are welded on the left side and the right side of the transverse plate 26, an inner cavity of each shell 25 is fixedly connected with a limiting spring 27, one sides of the left limiting spring 27 and the right limiting spring 27 opposite to each other are fixedly connected with a connecting plate 24, and one side of each connecting plate 24, far away from the limiting spring 27, penetrates to the outer side of each shell 25 and is fixedly connected with a cleaning scraper 4;

the cleaning mechanism 6 comprises a cleaning water pump 11, a water inlet pipe of the cleaning water pump 11 is communicated with a cleaning water tank 10, the rear side of the top of the cleaning water tank 10 is communicated with a water injection hopper 9, a water outlet pipe of the cleaning water pump 11 is communicated with an annular cleaning pipe 12, and the bottom of the annular cleaning pipe 12 penetrates into the inner cavity of the reaction mechanism 5;

the water collecting mechanism 3 comprises a water collecting tank 14, and the bottom of the rear side of the water collecting tank 14 is communicated with a drain valve 13;

the output end of the controller 2 is respectively and electrically connected with the reaction mechanism 5, the stirring mechanism 7, the feed valve 8 and the cleaning mechanism 6, and four corners of the bottom plate 1 are fixedly connected with supporting blocks;

by arranging the water injection hopper 9, the cleaning water can be conveniently injected into the cleaning water tank 10;

by arranging the drain valve 13, the cleaning water in the water collection tank 14 can be conveniently drained;

the cleaning scraper 4 can be tightly contacted with the inner wall of the reaction tank 21 by arranging the limiting spring 27, so that the scraping is more thorough;

by arranging the supporting block, the bottom plate 1 can be prevented from being directly contacted with the ground;

the stirring motor 15 is a servo motor, is an engine for controlling mechanical elements to operate in a servo system, is an auxiliary motor indirect speed change device, can control speed, has very accurate position precision, and can convert voltage signals into torque and rotating speed to drive a control object;

the first solenoid valve 20 is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, can be matched with different circuits to realize expected control, and ensures the precision and flexibility of the control.

When the device is used, 8 raw materials are injected into the reaction tank 21 through the left side and the right side, then the stirring motor 15 is controlled to work to drive the stirring teeth 17, the scraping plate mechanism 16 and the stirring rod 19 to work, the raw materials can be stirred more uniformly by the rotating stirring teeth 17 and the stirring rod 19, subsequent processing preparation is facilitated, after reaction is completed, the second electromagnetic valve 22 is controlled to be opened, raw materials in the reaction tank 21 flow out for subsequent processing, when the interior of the reaction tank 21 needs to be cleaned, the cleaning water pump 11 is controlled to work, cleaning water in the cleaning water tank 10 is conveyed into the annular cleaning pipe 12 by the cleaning water pump 11 and then sprayed into the reaction tank 21 for cleaning, the cleaning scrapers 4 on the two sides of the rotating scraping plate mechanism 16 scrape and clean the inner wall of the reaction tank 21, so that cleaning is more convenient and rapid, cleaning is more thorough, and the working strength of personnel is reduced, the first solenoid valve 20 is controlled to be opened, and the washing water in the reaction tank 21 flows into the water collection tank 14 through the first solenoid valve 20 to be collected.

In summary, the following steps: this preparation mercaptopropionic acid's pressurization hydrolysis reaction unit, through bottom plate 1, water collecting mechanism 3, wash scraper blade 4, reaction mechanism 5, wiper mechanism 6, rabbling mechanism 7, wash water tank 10, wash water pump 11, annular scavenge pipe 12, water collecting tank 14, agitator motor 15, scraper mechanism 16, stirring tooth 17, mounting panel 18, puddler 19, first solenoid valve 20, retort 21, second solenoid valve 22, connecting plate 24, casing 25, diaphragm 26 and spacing spring 27's cooperation is used, it is inconvenient to wash inside after the use is accomplished to have solved current hydrolysis reaction kettle device, personnel's working strength has been increased, cleaning efficiency has been reduced, simultaneously to raw materials stirring not enough even, be unfavorable for the problem of the subsequent preparation of mercaptopropionic acid.

Claims (6)

1. A pressurized hydrolysis reaction device for preparing mercaptopropionic acid comprises a base plate (1), and is characterized in that: the top of bottom plate (1) has reaction mechanism (5) through bolted connection, there is rabbling mechanism (7) at the top of reaction mechanism (5) through bolted connection, the left and right sides at reaction mechanism (5) top all communicates has feed valve (8), fixedly connected with wiper mechanism (6) is run through at the top of reaction mechanism (5), the left side intercommunication of reaction mechanism (5) bottom has water collecting mechanism (3), there is controller (2) at the top of water collecting mechanism (3) through bolted connection.

2. The pressurized hydrolysis reaction apparatus for producing mercaptopropionic acid according to claim 1, wherein: reaction mechanism (5) include retort (21), the left and right sides of retort (21) bottom communicates respectively has first solenoid valve (20) and second solenoid valve (22), the left and right sides of retort (21) all communicates there is heat exchange tube (23).

3. The pressurized hydrolysis reaction apparatus for producing mercaptopropionic acid according to claim 1, wherein: rabbling mechanism (7) are including agitator motor (15) and mounting panel (18), the output shaft of agitator motor (15) runs through to the bottom of mounting panel (18), and the surface is equipped with stirring tooth (17), puddler (19) and scraper blade mechanism (16) respectively, scraper blade mechanism (16) are including diaphragm (26), casing (25) have all been welded to the both sides about diaphragm (26), the equal fixedly connected with connecting plate (24) in one side that two spacing springs (27) are opposite about the inner chamber fixedly connected with of casing (25), one side that spacing spring (27) were kept away from in connecting plate (24) runs through to the outside and the fixedly connected with washing scraper blade (4) of casing (25).

4. The pressurized hydrolysis reaction apparatus for producing mercaptopropionic acid according to claim 1, wherein: the cleaning mechanism (6) comprises a cleaning water pump (11), a water inlet pipe of the cleaning water pump (11) is communicated with a cleaning water tank (10), a water injection hopper (9) is communicated with the rear side of the top of the cleaning water tank (10), a water outlet pipe of the cleaning water pump (11) is communicated with an annular cleaning pipe (12), and the bottom of the annular cleaning pipe (12) penetrates through an inner cavity of the reaction mechanism (5).

5. The pressurized hydrolysis reaction apparatus for producing mercaptopropionic acid according to claim 1, wherein: the water collecting mechanism (3) comprises a water collecting tank (14), and the bottom of the rear side of the water collecting tank (14) is communicated with a drain valve (13).

6. The pressurized hydrolysis reaction apparatus for producing mercaptopropionic acid according to claim 1, wherein: the output end of the controller (2) is electrically connected with the reaction mechanism (5), the stirring mechanism (7), the feeding valve (8) and the cleaning mechanism (6) respectively, and supporting blocks are fixedly connected to four corners of the bottom plate (1).

Images