CN219399627U

CN219399627U - Reaction kettle tail gas treatment system

Info

Publication number: CN219399627U
Application number: CN202320970999.7U
Authority: CN
Inventors: 祝云飞; 季建奇; 吴欣
Original assignee: Zhejiang Jiahui New Material Co ltd
Current assignee: Zhejiang Jiahui New Material Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-07-25
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a tail gas treatment technology, in particular to a reaction kettle tail gas treatment system which comprises a calcium carbonate absorption device, a spray reaction device, a neutralization tank, a distillation tank and a condensation device which are connected through pipelines. Be provided with the dropper on the neutralization jar for improving reaction efficiency setting, the dropper includes storage portion and unloading portion, can evenly throw in the neutralization jar internal with the reactant, makes reactant misce bene to improve reaction rate and overall efficiency.

Description

Reaction kettle tail gas treatment system

Technical Field

The utility model belongs to the technical field of tail gas treatment, and particularly relates to a reaction kettle tail gas treatment system.

Background

Dimethyl diethoxy silane is an important raw material for synthesizing vinyl dimethyl ethoxy silane. Vinyl dimethyl ethoxy silane can be used for synthesizing organic silicon intermediates and high molecular compounds, and is one of important raw materials for preparing silicon rubber. Hydrogen chloride is produced during the preparation process and needs to be treated.

The Chinese patent application No. 201810958477.9 discloses a treatment system for purifying industrial waste gas containing hydrogen chloride, which comprises a calcium carbonate absorption device, wherein calcium carbonate is adopted to primarily absorb hydrogen chloride in the waste gas; the spraying reaction device is used for reabsorption of hydrogen chloride in the waste gas in a spraying mode; the neutralization tank is used for reacting the hydrogen chloride solution generated in the spray reaction device with the alkaline solution, and the upper part of the neutralization tank is connected with a dropping tank; a distillation tank, the neutralization tank and the distillation tank through a conveying pipeline; and the condensing device is used for condensing the gas obtained by distillation in the distillation tank.

In the above-mentioned processing system, the neutralization tank makes the hydrogen chloride solution react with the alkaline solution through the mode of the unloading of drip tank on one side, and although be provided with agitating unit in the neutralization tank and accelerate the reaction, stir alkaline solution from one side in the neutralization tank and open and need time, influence reaction efficiency.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides a reaction kettle tail gas treatment system capable of improving the hiccup reaction efficiency of a neutralization tank so as to improve the tail gas treatment efficiency.

The purpose of the utility model is realized in the following way:

the utility model provides a reation kettle tail gas processing system, includes calcium carbonate absorbing device, spray reaction unit, neutralization tank, retort and condensing equipment through the pipe connection, its characterized in that, the neutralization tank includes:

a tank for providing space for the reaction;

a dropper disposed at the bottom of the can body and used for throwing the reactant into the can body;

the material dropping device comprises a storage part arranged outside the tank body and a discharging part arranged in the tank body, wherein the storage part is connected with the discharging part through a supporting piece, a plurality of storage areas are arranged in the storage part, a plurality of feeding areas are arranged on the discharging part, and the storage areas correspond to the feeding areas and are communicated through a conveying pipe.

In the technical scheme, tail gas sequentially passes through a calcium carbonate absorption device, a spray reaction device, a neutralization tank, a distillation tank and a condensing device through pipelines, so that the tail gas of the reaction kettle is treated. In the neutralization tank, a dropper is arranged for improving the reaction efficiency, and comprises a storage part and a blanking part, so that reactants can be uniformly thrown into the neutralization tank body, and the reactants are uniformly mixed, thereby improving the reaction rate and the overall efficiency.

In the above technical scheme, further, the storage part includes:

a storage tank for storing reactants;

a first partition disposed within the storage bin and dividing the storage bin into a plurality of storage areas;

the storage part is of a columnar structure, the first partition plate is of a circular structure, and the storage area is of an annular structure.

In the technical scheme, the first partition plate is provided with a plurality of, so that the columnar storage box is divided into a plurality of annular storage areas, and reactants can be stored in the storage areas. The first partition plate is vertically arranged, so that the material storage area forms an annular structure. The material storage area is communicated with the material discharging part through a material conveying pipe penetrating through the supporting piece, so that reactants flow into the material discharging part, and are put into the tank body through the material discharging part to react.

In the above technical scheme, further, the unloading portion includes:

a blanking box for feeding reactants;

the second partition plate is arranged in the blanking box and divides the blanking box into a plurality of blanking areas;

the blanking box is of a columnar structure, the second partition plates are arranged at equal intervals along the vertical direction of the blanking box, and discharging holes are formed in the side wall of the blanking area.

In this technical scheme, the second baffle is provided with a plurality of and the level sets up to make the unloading case constitute a plurality of unloading district from last to down, unloading district corresponds with the storage district, can follow the discharge opening input neutralization jar internal on the unloading district lateral wall after making the reactant of storage district flow into the unloading district, improves reaction efficiency.

In the above technical scheme, further, support piece passes jar body top and through bearing and jar body top rotatable coupling, be equipped with the drive wheel on the support piece, be equipped with on the jar body can drive wheel pivoted drive assembly.

In this technical scheme, support piece sets up the storage case towards the outside one end of jar body, and support piece sets up the unloading case towards the inside one end of jar body. The discharging box can be rotated through the rotation of the supporting piece, and further reactants flowing out of the discharging holes are evenly put into the tank body.

In the above technical scheme, further, be equipped with stirring subassembly in the jar body, stirring subassembly includes:

a stirring shaft arranged in the middle of the tank body;

the stirring rods are arranged on two sides of the stirring shaft and are connected with the stirring shaft;

stirring blades which are arranged on the upper side and the lower side of the stirring shaft;

wherein, be equipped with the support frame in the jar body, the support frame is passed to the one end of (mixing) shaft, and the bottom of the jar body is connected to the other end.

In the technical scheme, one end of the stirring shaft is connected with the bottom of the discharging box, and the discharging box and the stirring shaft are driven to rotate through rotation of the supporting piece. The (mixing) shaft passes the support frame and is rotationally connected with the support frame, and simultaneously one end of (mixing) shaft is rotationally connected with the bottom of the jar body to play the supporting role to the (mixing) shaft, guarantee (mixing) shaft pivoted stability. Be provided with puddler and stirring vane on the (mixing) shaft, can further improve the efficiency of reaction.

The beneficial effects of the utility model are as follows:

1. the storage box and the discharging box are arranged, reactants in the storage box can be uniformly put into the tank body through the discharging box, and the reaction efficiency is improved.

2. The support piece drives the discharging box to rotate, so that the uniformity of reactants when the reactants are put into the tank body can be further improved.

3. The stirring assembly is connected under the discharging box, and the reaction rate can be further improved through the stirring assembly, so that the overall tail gas treatment efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of the neutralization tank;

FIG. 3 is a schematic view of the structure of the interior of the neutralization tank;

wherein the reference numerals are as follows: 100. a calcium carbonate absorption device; 200. a spray reaction device; 300. a neutralization tank; 310. a tank body; 320. a storage bin; 321. a first separator; 322. a storage area; 330. a support; 331. a driving wheel; 332. a driving motor; 333. a material conveying pipe; 340. discharging boxes; 341. a second separator; 342. a discharge hole; 343. a blanking area; 350. a stirring shaft; 351. a stirring rod; 352. stirring blades; 360. a support frame; 400. a distillation pot; 500. and a condensing device.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

Example 1:

referring to fig. 1, 2 and 3, the present embodiment provides a reaction kettle tail gas treatment system, which includes a calcium carbonate absorption device 100, a spray reaction device 200, a neutralization tank 300, a distillation tank 400 and a condensation device 500 connected by pipelines, wherein the neutralization tank 300 includes:

a tank 310 for providing a space for a reaction;

a dispenser disposed at the bottom of the can 310 and used to throw reactants into the can 310;

the dropper includes the storage portion of arranging in the jar outside the body 310 and arranges the unloading portion in the body 310 in, is connected through support 330 between storage portion and the unloading portion, be equipped with a plurality of storage areas 322 in the storage portion, be equipped with a plurality of material areas of throwing on the unloading portion, storage area 322 corresponds each other with the material area of throwing and communicates through conveying pipeline 333.

The tail gas passes through the calcium carbonate absorption device 100, the spray reaction device 200, the neutralization tank 300, the distillation tank 400 and the condensation device 500 in sequence through pipelines, so that the tail gas of the reaction kettle is treated. In the neutralization tank 300, in order to improve the reaction efficiency, a dropper is provided, and the dropper includes a storage part and a discharging part, so that reactants can be uniformly fed into the tank body 310 of the neutralization tank 300, and the reactants are uniformly mixed, thereby improving the reaction rate and the overall efficiency.

Example 2:

the embodiment provides a reaction kettle tail gas treatment system, which includes the following technical features in addition to the technical features of the above embodiment.

Referring to fig. 3, the stock part includes:

a storage tank 320 for storing reactants;

a first partition 321 disposed within the storage bin 320 and dividing the storage bin 320 into a plurality of storage areas 322;

wherein, the storage part is a columnar structure, the first partition 321 is a circular structure, and the storage area 322 is an annular structure. The first partition 321 is provided in plurality so as to divide the cylindrical storage tank 320 into a plurality of annular storage areas 322, and reactants can be stored in the storage areas 322. The first partition 321 is vertically disposed so that the storage area 322 forms an annular structure. The storage area 322 is communicated with the blanking portion through a material conveying pipe 333 passing through the supporting member 330, so that reactants flow into the blanking portion, and are put into the tank 310 through the blanking portion to react.

In this embodiment, further, the unloading portion includes:

a discharge box 340 for feeding the reactants;

a second partition 341 disposed in the discharge box 340 and dividing the discharge box 340 into a plurality of discharge areas 343;

the blanking box 340 is of a columnar structure, the second partition boards 341 are equidistantly arranged along the vertical direction of the blanking box 340, and the side wall of the blanking area 343 is provided with a discharging hole 342. The second partition 341 is provided with a plurality of horizontal partitions, so that the blanking box 340 forms a plurality of blanking areas 343 from top to bottom, the blanking areas 343 correspond to the storage areas 322, and reactants in the storage areas 322 can be put into the neutralization tank 300 from the discharge holes 342 on the side wall of the blanking areas 343 after flowing into the blanking areas 343, thereby improving the reaction efficiency.

Example 3:

Referring to fig. 3, a supporting member 330 passes through the top of the can 310 and is rotatably connected with the top of the can 310 through a bearing, a driving wheel 331 is provided on the supporting member 330, and a driving assembly capable of driving the driving wheel 331 to rotate is provided on the can 310. The driving assembly includes a driving motor 332, and the driving motor 332 drives the driving wheel 331 to rotate so that the supporting member 330 can rotate. The end of the support 330 facing the outside of the can 310 is provided with a storage tank 320, and the end of the support 330 facing the inside of the can 310 is provided with a discharge tank 340. The rotation of the support 330 can rotate the discharge box 340, and further uniformly throw the reactant flowing out of the discharge hole 342 into the can 310.

Example 4:

Referring to fig. 3, a stirring assembly is disposed in the can 310, and includes:

a stirring shaft 350 disposed in the middle of the inside of the tank 310;

a stirring rod 351 disposed at both sides of the stirring shaft 350 and connected to the stirring shaft 350;

stirring blades 352 disposed on both upper and lower sides of the stirring shaft 350;

a supporting frame 360 is arranged in the tank 310, one end of the stirring shaft 350 penetrates through the supporting frame 360, and the other end of the stirring shaft is connected with the bottom of the tank 310. One end of the stirring shaft 350 is connected to the bottom of the discharging box 340, and the discharging box 340 and the stirring shaft 350 are driven to rotate by the rotation of the supporting piece 330. The stirring shaft 350 penetrates through the supporting frame 360 and is rotatably connected with the supporting frame 360, and meanwhile one end of the stirring shaft 350 is rotatably connected with the bottom of the tank 310, so that the stirring shaft 350 is supported, and the rotation stability of the stirring shaft 350 is ensured. The stirring shaft 350 is provided with the stirring rod 351 and the stirring blade 352, so that the efficiency of the reaction can be further improved.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. The utility model provides a reation kettle tail gas processing system, includes calcium carbonate absorbing device (100), spray reaction unit (200), neutralization tank (300), retort (400) and condensing equipment (500) through the pipe connection, its characterized in that, neutralization tank (300) include:

a tank (310) for providing space for a reaction;

a dropper disposed at the bottom of the tank (310) and used for throwing reactants into the tank (310);

wherein, the glassware that drips includes the storage portion of arranging in outside jar body (310) and arranges the unloading portion in jar body (310), is connected through support piece (330) between storage portion and the unloading portion, be equipped with a plurality of storage areas (322) in the storage portion, be equipped with a plurality of material areas of throwing on the unloading portion, storage area (322) correspond each other with the material area of throwing and communicate through conveying pipeline (333).

2. The reactor off-gas treatment system of claim 1, wherein the storage section comprises:

a storage tank (320) for storing reactants;

a first partition (321) disposed within the storage bin (320) and dividing the storage bin (320) into a plurality of storage areas (322);

the storage part is of a columnar structure, the first partition plate (321) is of a circular structure, and the storage area (322) is of an annular structure.

3. The reactor off-gas treatment system of claim 1, wherein the blanking portion comprises:

a discharge box (340) for feeding reactants;

a second partition (341) disposed in the discharge box (340) and dividing the discharge box (340) into a plurality of discharge areas (343);

the blanking box (340) is of a columnar structure, the second partition plates (341) are arranged at equal intervals along the vertical direction of the blanking box (340), and discharging holes (342) are formed in the side wall of the blanking area (343).

4. The reactor tail gas treatment system according to claim 1, wherein the supporting member (330) penetrates through the top of the tank body (310) and is rotatably connected with the top of the tank body (310) through a bearing, a driving wheel (331) is arranged on the supporting member (330), and a driving assembly capable of driving the driving wheel (331) to rotate is arranged on the tank body (310).

5. The reactor tail gas treatment system of claim 1, wherein a stirring assembly is disposed within the tank (310), the stirring assembly comprising:

a stirring shaft (350) arranged in the middle of the tank body (310);

stirring rods (351) which are arranged on two sides of the stirring shaft (350) and are connected with the stirring shaft (350);

stirring blades (352) which are arranged on the upper side and the lower side of the stirring shaft (350);

wherein, be equipped with support frame (360) in jar body (310), support frame (360) are passed to one end of (350) stirring axle, and the bottom of jar body (310) is connected to the other end.