CN217341370U

CN217341370U - Reactor for preparing sodium methyl allyl alcohol by using sodium hydride

Info

Publication number: CN217341370U
Application number: CN202221171154.3U
Authority: CN
Inventors: 李鹏; 刘勇; 郜永胜; 刘威; 张迅; 徐仕睿
Original assignee: Fushun Dongke Fine Chemical Co ltd
Current assignee: Fushun Dongke Fine Chemical Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-02
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a reactor for preparing sodium methyl allyl alcohol by using sodium hydride, belonging to the technical field of reactors and comprising a reaction tank body, wherein a top cover is arranged on the top end cover of the reaction tank body; the utility model discloses a pneumatic conveying device, including top cap, driven lever, scraper blade, driving lever, driving shaft, driving lever, connecting rod, cavity, driven lever length direction, top cap upper surface is provided with the mounting bracket, install the motor on the mounting bracket, be provided with the driving medium on the top cap, the driving medium includes that vertical activity wears to establish the driven lever on the top cap and rotates the driving lever of ann on the inside diapire of mounting bracket, the driven lever bottom is provided with the scraper blade, the drive shaft and the driving lever transmission of motor are connected, the vertical connecting rod that is fixed with in driving lever bottom, the cavity has been seted up on the inside top of driven lever, the cavity sets up and is the rectangle structure along driven lever length direction, the inside slider that is provided with of cavity. The reactor for preparing sodium methyl allyl alcohol by using sodium hydride has the function of preventing sodium hydride from precipitating.

Description

Reactor for preparing sodium methyl allyl alcohol by using sodium hydride

Technical Field

The utility model belongs to the technical field of the reactor, especially, relate to an use reactor of sodium hydride preparation methyl allyl alcohol sodium.

Background

The reactor is a device for realizing a reaction process and is used for realizing a liquid-phase single-phase reaction process and a liquid-liquid, gas-liquid, liquid-solid, gas-liquid-solid and other multi-phase reaction processes. Stirring devices (mechanical stirring, airflow stirring and the like) are usually arranged in the device. When the height-diameter ratio is larger, a plurality of layers of stirring blades can be used. When the materials need to be heated or cooled in the reaction process, a jacket can be arranged on the wall of the reactor, or a heat exchange surface is arranged in the reactor, or heat exchange can be carried out through external circulation.

At present, in the process of preparing sodium methyl allyl alcohol by using sodium hydride by using the existing reactor, partial sodium cyanide is precipitated, so that the reaction is insufficient, and the reaction process is influenced, therefore, further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art, utilizing current reactor at the in-process that uses sodium hydride to prepare methyl alkene propanolate sodium, having the phenomenon that partial sodium cyanide sinks the end, leading to the reaction abundant inadequately, influence the problem of reaction process, and the reactor of using sodium hydride to prepare methyl alkene propanolate sodium that provides.

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

a reactor for preparing sodium methyl allyl alcohol by using sodium hydride comprises a reaction tank body, wherein a top cover is arranged at the top end of the reaction tank body;

the utility model discloses a pneumatic conveying device, including top cap, driven bar, scraper blade, drive shaft, connecting rod bottom, connecting rod end wall, top cap upper surface is provided with the mounting bracket, install the motor on the mounting bracket, be provided with the driving medium on the top cap, the driving medium includes that vertical activity wears to establish the driven bar on the top cap and rotates the drive lever of ann on the inside diapire of mounting bracket, the driven bar bottom is provided with the scraper blade, the drive shaft and the drive lever transmission of motor are connected, the vertical connecting rod that is fixed with in drive lever bottom, the cavity has been seted up on the inside top of driven bar, the cavity sets up and is the rectangle structure along driven bar length direction, the inside slider that is provided with of cavity, the slider be the rectangle structure and with the slip butt of cavity inner wall, be connected with a compression spring between slider and the cavity diapire, the connecting rod bottom runs through the driven bar end wall and stretches into in the cavity with slider fixed connection.

Through above-mentioned technical scheme, the motor starts to drive the driven lever and rotates, utilizes a pair of scraper blade of slope can scrape the reagent that deposits retort body bottom, guarantees the abundant of reaction, and utilizes first compression spring to make and be elastic contact between scraper blade and the retort internal portion diapire, avoids the hard extruded problem between scraper blade and the retort diapire, improves scraping effect of scraper blade.

Preferably, the bottom end of the driven rod is connected with a connecting block through a bolt, and the scraper is embedded on the connecting block.

Through above-mentioned technical scheme to the split between scraper blade and the follower lever is convenient for.

Preferably, the scraper blade symmetry is provided with two, two the scraper blade all inclines to set up.

Through above-mentioned technical scheme, can improve the scraper blade and to the effect of scraping of sediment material.

Preferably, the side wall of the driven rod is horizontally fixed with a stirring blade, and the stirring blades are symmetrically provided with a plurality of pairs.

Through above-mentioned technical scheme, when the driven lever rotated, it can stir reaction liquid to the stirring leaf more.

Preferably, the top cap lower surface is provided with the spacing collar, the spacing collar stretches into the retort internally and contradicts with the retort inner wall.

Through the technical scheme, the sealing cover between the top cover and the reaction tank body is realized.

Preferably, be provided with multiunit buckle spare on the top cap, buckle spare is including setting up the crank arm at the top cap avris, crank arm bottom and retort body outer wall rotate to be connected, the vertical montant of wearing to be equipped with in crank arm top, the montant bottom mounting has the baffle, the baffle bottom is provided with the inserted bar, the inserted bar is pegged graft with the top cap.

Through above-mentioned technical scheme, utilize the grafting between inserted bar and the top cap, can be relatively fixed with retort body and top cap.

Preferably, the cover is equipped with second compression spring on the montant, second compression spring is located between baffle and the crank arm roof, the top of montant is provided with the grab handle.

Through above-mentioned technical scheme, second compression spring elasticity promotes the baffle and pushes down, can avoid the inserted bar to break away from the top cap in the use as far as possible. The vertical rod is pulled to move upwards through the grab handle, so that the inserted rod is separated from the top cover, and the crank arm is rotated at the moment, so that the top cover can be detached from the reaction tank body.

To sum up, the utility model discloses a technological effect and advantage: this use reactor of sodium hydride preparation methyl allyl alcohol sodium benefits from the transmission between driven lever and the driving lever and is connected, when the motor starts, can make the driven lever rotate in step, utilizes the scraper blade that the slope of driven lever bottom set up can constantly scrape the stirring with the reagent of retort body bottom, avoids the problem that the reactant deposits as far as possible to make the reaction of retort internal portion more abundant.

Benefit from the inside first compression spring's of cavity setting, at the driven lever rotation in-process, make between scraper blade and the inside diapire of the retort body be elastic contact, avoid the easy problem of damaging of rigid contact between scraper blade and the inside diapire of the retort body as far as possible, can improve the effect of scraping of scraper blade simultaneously.

Benefit from the bent arm of the last rotation connection of retort body and the elasticity promotion of second compression spring, when the inserted bar was pegged graft with the top cap, can be with top cap and retort body relatively fixed, when dragging the montant and make the inserted bar break away from the top cap, can detach the retort body with the top cap, the experimental operation of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the reaction tank of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the cavity of the present invention;

FIG. 4 is a schematic view of the scraper structure of the present invention;

fig. 5 is a schematic structural view of the fastener of the present invention.

In the figure: 1. a reaction tank body; 2. a top cover; 3. a mounting frame; 4. a motor; 5. a fastener; 6. a limiting ring; 7. a transmission member; 8. a driven lever; 9. stirring blades; 10. a squeegee; 11. a driving lever; 12. a cavity; 13. a slider; 14. a first compression spring; 15. a connecting rod; 16. connecting blocks; 17. a crank arm; 18. a vertical rod; 19. a baffle plate; 20. a second compression spring; 21. inserting a rod; 22. a handle.

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 and 2, the reactor for preparing sodium methyl allyl alcohol by using sodium hydride comprises a reaction tank body 1, wherein a top cover 2 is arranged at the top end of the reaction tank body 1 in a covering manner, and a movable cover of the top cover 2 is arranged on the reaction tank body 1 so as to be convenient for disassembling and cleaning the reaction tank body 1. The lower surface of the top cover 2 is provided with a limiting ring 6, and the limiting ring 6 extends into the reaction tank body 1 and is abutted against the inner wall of the reaction tank body 1, so that the top cover 2 and the reaction tank body 1 are sealed.

Referring to fig. 1, 2 and 4, the top cover 2 is provided with a mounting frame 3 on the upper surface, a motor 4 is mounted on the mounting frame 3, and the mounting frame 3 is connected with the top cover 2 through bolts. Be provided with driving medium 7 on top cap 2, driving medium 7 includes that vertical activity wears to establish driven lever 8 on top cap 2 and rotates the initiative pole 11 of ann on the inside diapire of mounting bracket 3, and the transmission is connected between initiative pole 11 and the driven lever 8. The bottom of the driven rod 8 is provided with a scraper 10, the bottom end of the driven rod 8 is connected with a connecting block 16 through a bolt, the scraper 10 is embedded on the connecting block 16, and the connecting block 16 is connected with the driven rod 8 through a bolt, so that the scraper 10 and the driven rod 8 can be conveniently detached. The scraper blade 10 symmetry is provided with two, and two scraper blades 10 all incline to set up, when motor 4 starts, can drive the driven lever 8 and rotate, utilizes a pair of scraper blade 10 of slope can scrape the reagent that deposits 1 bottoms of the retort body, guarantees the abundant of reaction.

Referring to fig. 2 and 3, the drive shaft of motor 4 is connected with the transmission of drive rod 11, the vertical connecting rod 15 that is fixed with in drive rod 11 bottom, cavity 12 has been seted up on the inside top of driven rod 8, cavity 12 sets up and is the rectangle structure along 8 length direction of driven rod, the inside slider 13 that is provided with of cavity 12, connecting rod bottom 15 runs through 8 end walls of driven rod and stretches into in cavity 12 with slider 13 fixed connection, slider 13 is the rectangle structure and slides the butt with cavity 12 inner wall, slider 13 can slide from top to bottom for cavity 12, and when motor 4 starts to drive rod 11 and rotate, the transmission of power is guaranteed with cavity 12 to the slider 13 of rectangle structure, can make driven rod 8 follow drive rod 11 synchronous rotation. A first compression spring 14 is connected between the sliding block 13 and the bottom wall of the cavity 12, the first compression spring 14 can enable the driven rod 8 to move downwards relative to the connecting rod 15, the scraper 10 is in elastic contact with the bottom wall inside the reaction tank body 1, the problem of hard extrusion between the scraper 10 and the bottom wall of the reaction tank body 1 is avoided as much as possible, and meanwhile the scraping effect of the scraper 10 is improved. Stirring vane 9 is fixed with to the level on the 8 lateral walls of driven lever, and stirring vane 9 symmetry is provided with many pairs, and when driven lever 8 pivoted, many pairs of stirring vane 9 can stir the reaction liquid.

Referring to fig. 1, 2 and 5, a plurality of groups of fasteners 5 are arranged on the top cover 2, each fastener 5 comprises a crank arm 17 arranged on the side of the top cover 2, and each crank arm 17 is of a U-shaped structure. Crank 17 bottoms and the reactor body 1 outer wall and rotate to be connected, crank 17 tops are vertical to be worn to be equipped with

montant

18, and 18 bottom mounting of montant has

baffle

19, and 19 bottoms of baffle are provided with inserted bar 21, and inserted bar 21 is pegged graft with top cap 2, utilizes the grafting between inserted bar 21 and the top cap 2, can be with reactor body 1 and top cap 2 relatively fixed. The vertical rod 18 is sleeved with a second compression spring 20, the second compression spring 20 is located between the baffle 19 and the top wall of the crank arm 17, the baffle 19 is pushed to press downwards by the elasticity of the second compression spring 20, and the inserted rod 21 can be prevented from being separated from the top cover 2 in the using process as much as possible. The top end of the vertical rod 18 is provided with a grab handle 22, the grab handle 22 pulls the vertical rod 18 to move upwards, the inserted link 21 is separated from the top cover 2, and the top cover 2 can be detached from the reaction tank body 1 by rotating the crank arm 17.

The working principle is as follows: when the reaction tank is used, the starting motor 4 drives the driving rod 11 to rotate, the connecting rod 15 can drive the driven rod 8 to synchronously rotate by utilizing transmission between the sliding block 13 with the rectangular structure and the cavity 12, and at the moment, the scraper 10 arranged at the bottom end of the driven rod 8 can continuously scrape and stir the reagent at the bottom of the reaction tank body 1;

in the rotating process of the driven rod 8, the first compression spring 14 can push the driven rod 8 to move downwards relative to the connecting rod 15, so that the scraper 10 is in elastic contact with the bottom wall inside the reaction tank body 1, and the scraping effect of the scraper 10 is improved.

The crank arm 17 is rotated to enable the second compression spring 20 to elastically push the baffle 19 to insert the inserted rod 21 and the top cover 2, the top cover 2 and the reaction tank body 1 can be relatively fixed, the vertical rod 18 is pulled to enable the inserted rod 21 to be separated from the top cover 2, and the crank arm 17 is rotated to be far away from the top cover 2 to separate the top cover 2 from the reaction tank body 1.

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

1. A reactor for preparing sodium methyl allyl alcohol by using sodium hydride comprises a reaction tank body (1), wherein a top cover (2) is arranged at the top end of the reaction tank body (1);

the method is characterized in that: the upper surface of the top cover (2) is provided with a mounting rack (3), the mounting rack (3) is provided with a motor (4), the top cover (2) is provided with a transmission part (7), the transmission part (7) comprises a driven rod (8) vertically movably arranged on the top cover (2) in a penetrating way and a driving rod (11) rotatably arranged on the inner bottom wall of the mounting rack (3), the bottom of the driven rod (8) is provided with a scraper (10), a driving shaft of the motor (4) is in transmission connection with the driving rod (11), the bottom of the driving rod (11) is vertically fixed with a connecting rod (15), the top end inside the driven rod (8) is provided with a cavity (12), the cavity (12) is arranged along the length direction of the driven rod (8) and is of a rectangular structure, a sliding block (13) is arranged inside the cavity (12), the sliding block (13) is of a rectangular structure and is in sliding butt joint with the inner wall of the cavity (12), a first compression spring (14) is connected between the sliding block (13) and the bottom wall of the cavity (12), and the bottom end of the connecting rod (15) penetrates through the end wall of the driven rod (8) and extends into the cavity (12) to be fixedly connected with the sliding block (13).

2. The reactor for preparing sodium methallyl oxide using sodium hydride according to claim 1, wherein: driven lever (8) bottom bolted connection has connecting block (16), scraper blade (10) inlay and adorn on connecting block (16).

3. The reactor for preparing sodium methallyl oxide using sodium hydride according to claim 1, wherein: the two scraper plates (10) are symmetrically arranged, and the two scraper plates (10) are obliquely arranged.

4. The reactor for preparing sodium methallyl oxide using sodium hydride according to claim 1, wherein: stirring leaves (9) are horizontally fixed on the side wall of the driven rod (8), and a plurality of pairs of stirring leaves (9) are symmetrically arranged.

5. The reactor for preparing sodium methallyl oxide using sodium hydride according to claim 1, wherein: the lower surface of the top cover (2) is provided with a limiting ring (6), and the limiting ring (6) stretches into the reaction tank body (1) and is abutted against the inner wall of the reaction tank body (1).

6. The reactor for preparing sodium methallyl oxide using sodium hydride according to claim 1, wherein: be provided with multiunit buckle spare (5) on top cap (2), buckle spare (5) are including setting up crank arm (17) at top cap (2) avris, crank arm (17) bottom and retort body (1) outer wall rotation are connected, crank arm (17) top is vertical to be worn to be equipped with montant (18), montant (18) bottom mounting has baffle (19), baffle (19) bottom is provided with inserted bar (21), inserted bar (21) are pegged graft with top cap (2).

7. The reactor for preparing sodium methallyl oxide using sodium hydride according to claim 6, wherein: the cover is equipped with second compression spring (20) on montant (18), second compression spring (20) are located between baffle (19) and crank arm (17) roof, the top of montant (18) is provided with grab handle (22).