CN221310572U - Feeding device of reaction kettle - Google Patents

Abstract

The application provides a reaction kettle feeding device, which comprises: the application provides a reaction kettle feeding device, which comprises: the reaction kettle comprises a reaction kettle body, a feeding unit and a stirring unit. The feeding unit comprises a funnel-shaped feeding port, a discharging pipe connected with the lower end of the feeding port, a first filter screen arranged in the discharging pipe and a crushing structure communicated with the first filter screen. The crushing structure comprises a crusher, a partition plate and a material guide plate which are arranged in the crushing shell in a concentrated mode, wherein the crusher and the material guide plate are vertically separated through the horizontally arranged partition plate, a material return opening is formed in the partition plate, and a material outlet of the crusher extends into the material return opening. The crusher is communicated with the first filter screen, one end of the first filter screen, which is far away from the crusher, is connected with a first cylinder, one end of the cylinder, which is far away from the first filter screen, is connected with the inner wall of the blanking pipe, and the lower end of the material guide plate extends into the reaction kettle body. The uniformity of particle size of the solid material during feeding is improved, and the reaction efficiency is improved.

Description

Feeding device of reaction kettle

Technical Field

The application relates to the technical field of chemical equipment, in particular to a feeding device of a reaction kettle.

Background

The reaction kettle is a common production device in the chemical industry field. The reaction kettle is widely understood to be a container with physical or chemical reaction, and the heating, evaporating and cooling functions and the low-speed and high-speed mixing functions required by the process are realized through structural design and parameter configuration of the container. The reaction vessel is widely applied to petroleum, chemical industry, rubber, pesticides, dyes, medicines and foods, and is used for completing the technological processes of vulcanization, nitration, hydrogenation, hydrocarbylation, polymerization, condensation and the like, such as a reactor, a reaction pot, a decomposition pot and a polymerization pot.

In chemical production, need often throw the material through the feed inlet in to reation kettle, in throwing the material in-process, sometimes need add solid material to reation kettle, because some solid material is easy to agglomerate or there are some great granule in the solid material, when throwing the material into reation kettle like this, the material of big granule not only is difficult to participate in the reaction, leads to whole reaction rate to reduce in the reation kettle, and still can sink into the reation kettle bottom, still incompletely react after the reaction, need get rid of as impurity in the product, increased the load of follow-up product edulcoration, also lead to improving manufacturing cost. Meanwhile, in some severe-reaction production, when particle materials with particle diameters larger than a preset particle diameter are added, local severe reaction in the reaction kettle can be caused, so that the pressure and the temperature in the reaction kettle are suddenly increased, the control is inconvenient, and the stable reaction is not facilitated.

Disclosure of utility model

The application provides a feeding device of a reaction kettle, which is used for solving the problems mentioned in the background art.

The application provides a reaction kettle feeding device, which comprises: the reaction kettle comprises a reaction kettle body, a feeding unit and a stirring unit. The feeding unit comprises a funnel-shaped feeding port, a discharging pipe connected with the lower end of the feeding port, a first filter screen arranged in the discharging pipe and a crushing structure communicated with the first filter screen.

The crushing structure comprises a crusher, a partition plate and a material guide plate which are arranged in the crushing shell in a concentrated mode, wherein the crusher and the material guide plate are vertically separated through the horizontally arranged partition plate, a material return opening is formed in the partition plate, and a material outlet of the crusher extends into the material return opening.

The crusher is communicated with the first filter screen, one end of the first filter screen, which is far away from the crusher, is connected with a first cylinder, one end of the first cylinder, which is far away from the first filter screen, is connected with the inner wall of the blanking pipe, and the lower end of the material guide plate extends into the reaction kettle body.

Optionally, a second filter screen is further arranged below the first filter screen, one end of the second filter screen is connected with a second cylinder, and the other end of the second cylinder is connected with the inner wall of the blanking pipe.

And the first cylinder and the second cylinder are both connected with the controller.

Optionally, the stirring unit includes motor, reduction gear and the (mixing) shaft that sets up in reation kettle body top, and be connected gradually with the motor output, is provided with the stirring rake on the (mixing) shaft.

Optionally, a material scattering cover is arranged above the stirring paddle on the stirring shaft, and the lower end of the discharging pipe is arranged above the material scattering cover.

Optionally, the horizontal distance between the outlet end of the blanking pipe and the edge of the scattering cover, which is close to the blanking pipe, is smaller than 0.

Optionally, a dust cover is arranged at the upper part of the feeding port.

Optionally, a vibrator is arranged at the lower part of the material guiding plate.

Optionally, the motor and the vibrator are both connected with the controller.

The reactor feeding device provided by the application improves the uniformity of particle size of particles during solid material feeding, improves the reaction efficiency, and has the following beneficial effects compared with the prior art:

(1) Through setting up first filter screen and second filter screen and sieving the material for the particle diameter is less than or equal to the material whereabouts to the reation kettle is internal of predetermineeing the particle diameter of the internal solid material of reation kettle of assurance entering accords with the predetermined particle diameter, is favorable to going on smoothly of reaction, has the promotion effect to improving reaction efficiency. Through utilizing the extending structure of first cylinder and second cylinder, with the material that the particle diameter is greater than the particle diameter of predetermineeing on first filter screen and the second filter screen to the breaker crushing back, the reinfusion is carried out the reaction again in this internal reaction kettle. Therefore, the utilization rate of materials is improved, the particle size of solid materials participating in the reaction is more uniform, the reaction efficiency is improved, the material waste is reduced, the yield of products is improved, and the reaction in the reaction kettle is stable and efficient.

(2) Through setting up the cover that spills on the (mixing) shaft, can rotate along with the (mixing) shaft, and spill the lower extreme that the cover is located the unloading pipe, the solid material that falls to spill on the surface of cover that just along with spill the rotation of cover that the material covers, changes the direction of motion under the effect of the centrifugal force that spills the cover, falls into the heliciform orbit that spills. The solid materials fall into the reaction kettle body more uniformly, the contact surface between the solid materials and reactants in the reaction kettle body is increased, and the reaction kettle is favorable for high-efficiency reaction.

(3) The lower part of the material guide plate is provided with the vibrator, and the conveying of the crushed materials in the material guide plate can be accelerated by utilizing the vibration effect of the vibrator, so that the materials are prevented from being difficult to output and gather in the material guide plate.

(4) The application can be widely applied to the feeding of solid materials in the reaction kettle, and has simple structure and convenient operation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of a reactor feeding device according to an embodiment of the present application;

FIG. 2 is a schematic view of a crushing structure according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a first filter and a second filter according to an embodiment of the present application;

FIG. 4 is a schematic diagram illustrating connection of a controller according to an embodiment of the present application;

Reference numerals illustrate:

1: reaction kettle body, 4: controller, 6: vibrator, 210: feed inlet, 211: dust cover, 220: blanking pipe, 230: first filter screen, 231: second filter screen, 310: crushing shell 320: crusher, 330: separator, 340: guide plate, 350: feed back mouth, 360: first cylinder, 370: second cylinder, 510: motor, 520: speed reducer, 530: stirring shaft, 540: stirring paddle, 550: and a material scattering cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are also within the scope of the application.

As shown in fig. 1, 2 and 3, the present application provides a reaction kettle feeding device, including: the reaction kettle comprises a reaction kettle body 1, a feeding unit and a stirring unit. The feeding unit comprises a funnel-shaped feeding opening 210, a discharging pipe 220 connected with the lower end of the feeding opening 210, a first filter screen 230 arranged inside the discharging pipe 220 and a crushing structure communicated with the first filter screen 230.

The crushing structure comprises a crusher 320, a baffle 330 and a guide plate 340 which are arranged in the crushing shell 310 in a concentrated manner, wherein the crusher 320 and the guide plate 340 are vertically separated by the horizontally arranged baffle 330, a feed back opening 350 is formed in the baffle 330, and a discharge opening of the crusher 320 extends into the feed back opening 350.

The crusher 320 is communicated with the first filter screen 230, one end of the first filter screen 230, which is far away from the crusher 320, is connected with a first air cylinder 360, one end of the first air cylinder 360, which is far away from the first filter screen 230, is connected with the inner wall of the blanking pipe 220, and the lower end of the material guide plate 340 extends into the reaction kettle body 1.

Specifically, solid materials are required to be put into the reaction kettle in the reaction, but when the particle sizes of the solid materials are different, large-particle materials are difficult to participate in the reaction, the reaction efficiency is reduced, or the large-particle materials locally react violently in the reaction kettle, so that the pressure and the temperature in the reaction kettle are easy to be out of control, and the stable reaction is not facilitated.

The discharging pipe 220 is used for conveying the input solid materials into the reaction kettle body 1. The first filter screen 230 is used for screening the materials with the particle size larger than the preset particle size in the feeding process, so that the materials with the particle size smaller than or equal to the preset particle size fall into the reaction kettle body 1 through the first filter screen 230, the particle sizes of the solid materials entering the reaction kettle body 1 are guaranteed to be smaller than or equal to the preset particle size, smooth reaction is facilitated, and meanwhile the solid materials are enabled to react with other materials conveniently, so that the reaction efficiency is improved. And send the material that the particle diameter is greater than the particle diameter of predetermineeing to broken structure and carry out the breakage back, rethread broken structure's discharge gate is failed back to in the reation kettle body 1, so not only make the particle diameter of the solid material who participates in the reaction more even, still reduced the material extravagant, improved the output of product. Wherein, the inner wall of the discharging tube 220 is provided with a chute for the movement of the first filter screen 230 along the movement direction of the first filter screen 230, and two sides of the first filter screen 230 are slidably connected with the inner wall of the discharging tube 220 through the chute, which is helpful to improve the bearing of the first filter screen 230 in the filtering process and avoid the inclination of the first filter screen 230 caused by more large-particle materials. The end of the first filter 230 in communication with the crusher 320 is free of support structure. The end of the first filter 230 away from the crusher 320 is connected with a first cylinder 360, and the first cylinder 360 is used for pushing the first filter 230 to the crushing structure and pulling the first filter 230 back into the blanking pipe 220. The first air cylinder 360 pushes and pulls the first filter screen 230 back, so that the first filter screen 230 can timely convey materials with large particle sizes to the crushing structure for crushing.

The crushing structure comprises a crusher 320, a baffle 330 and a guide plate 340, wherein the crusher 320 is communicated with a first filter screen 230, the first filter screen 230 is used for conveying materials with the particle size larger than the preset particle size to the crusher 320, after the crusher 320 crushes large-particle materials, a discharge port of the crusher 320 stretches into a feed back port 350, the crushed materials are conveyed to the guide plate 340 through the feed back port 350, the lower end of the guide plate 340 stretches into a reaction kettle body 1 and is used for guiding the crushed materials into the reaction kettle body 1 again for reaction, so that the utilization rate of the materials is improved, the input solid materials are consistent with the preset particle size of the reacted solid materials, the reaction efficiency is improved, incomplete or severe reaction caused by the overlarge particle size of the solid materials is avoided, and the reaction in the reaction kettle is stable and efficient.

When the first filter screen 230 sends the material with the particle size greater than the preset particle size to the crusher 320, a first scraping plate is vertically arranged on the top of the crushing shell 310 and above the feeding hole of the crusher 320, and the bottom of the first scraping plate is flush with the first filter screen 230. The first scraping plate is fixed in position, and materials on the first filter screen 230 are sent into the crusher 320 in the process of moving to the crusher 320 through the first filter screen 230. The length and width of the inlet of the crusher 320 are both greater than the length and width of the first filter 230.

When the first filter 230 sends the material with the particle size larger than the preset particle size to the crusher 320, the first cylinder 360 is opened to push the first filter 230 towards the crushing structure, and the material at one end of the first filter 230 near the crusher 320 contacts with the first scraping plate to scrape the material. The material may fall from other sides of the first filter 230, because the first scraping plate is located above the feed inlet of the crusher 320, and when the side of the first filter 230 near the first cylinder 360 moves at least above the feed inlet of the crusher 320, the first scraping plate starts scraping the first filter 230, so as to ensure that the material on the first filter 230 is sent into the crusher 320 and is not scraped outside the crusher 320.

Still further, a baffle is vertically disposed on the first filter 230 near a side of the first cylinder 360 to prevent the material from falling from the first filter 230 near the side of the first cylinder 360 during scraping, which is beneficial to the stable operation of the first cylinder 360.

In the feeding process, solid materials are fed into the blanking pipe 220 through the feeding port 210, and are fed into the reaction kettle body 1 through the blanking pipe 220. The material passes through the first filter screen 230 in the falling process, and the material with the particle size smaller than or equal to the preset particle size passes through the first filter screen 230 and falls into the reaction kettle body 1. The material that the particle diameter is greater than the particle diameter of predetermineeing is kept off on the sifting plane of first filter screen 230, at this moment starts first cylinder 360 for first cylinder 360 carries out tensile while, promotes first filter screen 230 to broken structure direction, makes first filter screen 230 carry the material that the particle diameter is greater than the particle diameter of predetermineeing to breaker 320, and breaker 320 breaks big granule material, carries the material after breaking to stock guide 340 through feed back mouth 350 on, and stock guide 340 again water conservancy diversion to the material after breaking is reacted in reation kettle body 1. The stirring unit is used for stirring materials in the feeding process and the reaction process so as to improve the reaction efficiency.

According to the scheme, the uniformity of particle sizes of the solid materials during feeding is realized, so that the particle sizes of the solid materials entering the reaction kettle are smaller than or equal to the preset particle sizes. Through setting up first filter screen material and screening for the particle diameter is less than or equal to the material whereabouts of predetermineeing the particle diameter to this internal, in order to guarantee that the particle diameter of the internal solid material of entering reation kettle accords with the predetermined particle diameter, is favorable to going on smoothly of reaction, has the promotion effect to improving reaction efficiency. Through utilizing the extending structure of first cylinder, the material that is greater than the particle diameter of predetermineeing on the first filter screen is defeated to the breaker and is broken after, and the reinfusion is carried out the reaction again in this internal reaction kettle. Therefore, the utilization rate of materials is improved, the particle size of solid materials participating in the reaction is more uniform, the reaction efficiency is improved, the material waste is reduced, the yield of products is improved, and the reaction in the reaction kettle is stable and efficient.

As shown in fig. 2, optionally, a second filter screen 231 is further disposed below the first filter screen 230, one end of the second filter screen 231 is connected to a second cylinder 370, and the other end of the second cylinder 370 is connected to the inner wall of the blanking pipe 220.

And both the first cylinder 360 and the second cylinder 370 are connected to the controller 4.

Specifically, the first filter screen and 230 second filter screen 231 are provided, and the first filter screen 230 is connected to the first cylinder 360, and the second filter screen 231 is connected to the second cylinder 370, so that the first filter screen and 230 second filter screen 231 can be alternately operated. When the first cylinder 360 pushes the first filter screen 230 to move to the crusher 320, the second cylinder 370 pulls the second filter screen 231 back to the filtering state, and vice versa. The arrangement can avoid large-particle materials from leaking into the reaction kettle body 1, and the reaction efficiency is improved. Wherein, the screen holes of the first screen and 230 second screen 231 are the same.

And first cylinder 360 and second cylinder 370 all are connected with controller 4, can be convenient for control first cylinder 360 and second cylinder 370, reduce personnel's input of labour for the feed device uses more convenient.

When the second filter screen 231 sends the material with the particle size larger than the preset particle size to the crusher 320, the second scraper is connected to the lower portion of the first scraper, the bottom of the second scraper is flush with the second filter screen 231, and the material on the second filter screen 231 is scraped into the crusher 320 in the process of moving the second filter screen 231 to the crusher 320. And when the first scraping plate is connected with the second scraping plate, the first scraping plate is connected with the second scraping plate along two sides of the movement direction of the second filter screen 231, and a space formed by the connection of the first scraping plate and the second scraping plate in the vertical direction can pass through the first filter screen 230.

In another implementation manner, the two ends of the second scraping plate are fixed on the side wall in the crushing shell 310, so that the second scraping plate is fixed, the bottom of the second scraping plate is flush with the second filter screen 231, and the purpose that the second scraping plate scrapes materials on the second filter screen 231 into the crusher 320 is achieved. The second filter screen 231 is identical in size to the second filter screen 231, and the second scraper is aligned with the first scraper in the vertical direction.

As shown in fig. 1, optionally, the stirring unit includes a motor 510 disposed at the top of the reaction kettle body 1, a reducer 520 and a stirring shaft 530 sequentially connected with an output end of the motor 510, and a stirring paddle 540 is disposed on the stirring shaft 530.

Specifically, the motor 510 is used as a driving element to provide kinetic energy for the stirring device, the motor 510 is started, the output end of the motor 510 sequentially drives the speed reducer 520 and the stirring shaft 530 to rotate, and then the stirring paddle 540 also rotates along with the stirring shaft 530 in a shape, so that materials in the feeding process and the reaction process are stirred, and the reaction efficiency is improved.

As shown in fig. 1, optionally, a spreading cover 550 is disposed above the stirring paddle 540 on the stirring shaft 530, and the lower end of the discharging pipe 220 is disposed above the spreading cover 550.

Optionally, the outlet end of the blanking tube 220 is spaced from the edge of the spreading cover 550 adjacent the blanking tube 220 by a horizontal distance of less than 0.

Specifically, the spreading cover 550 is disposed on the stirring shaft 530, and can rotate along with the stirring shaft 530, and the spreading cover 550 is located at the lower end of the blanking pipe 220, the falling solid material can fall onto the outer surface of the spreading cover 550, and the solid material changes the movement direction along with the rotation of the spreading cover 550 under the action of the centrifugal force of the spreading cover 550, so as to fall in a scattered spiral track. Therefore, the solid materials can fall into the reaction kettle body 1 more uniformly, the contact surface between the solid materials and the reactant in the reaction kettle body 1 is increased, and the reaction can be carried out efficiently.

Further, the horizontal distance between the outlet end of the discharging tube 220 and the edge of the discharging tube 220 near the discharging tube 550 is smaller than 0, so that more falling materials can contact with the discharging tube 550, the dispersibility of the falling materials is further improved, and the reaction efficiency is improved.

Optionally, a dust cover 211 is provided at the upper part of the feed port 210.

Specifically, the dust cover 211 can avoid the dust generated by falling of the solid materials from escaping from the feeding port 210, which is beneficial to the cleaning of the reaction environment and further improves the operation safety of personnel.

As shown in fig. 2, optionally, a vibrator 6 is provided at a lower portion of the guide plate 340.

Specifically, the vibration of the vibrator 6 can accelerate the transportation of the crushed material in the material guiding plate 340, so as to avoid the aggregation of the material which is difficult to output in the material guiding plate 340.

As shown in fig. 4, the motor 510 and the vibrator 6 are optionally connected to the controller 4.

Specifically, the controller 4 controls the motor 510 and the vibrator 6 to be turned on or off, so that the automation degree of the feeding device is improved.

The technical scheme of the application is illustrated in detail by specific examples.

In this embodiment, the operation flow of the feeding device of the reaction kettle in specific work is as follows:

In the feeding process, solid materials are fed into the blanking pipe 220 through the feeding port 210, and are fed into the reaction kettle body 1 through the blanking pipe 220. Before feeding, the motor 510 is started, the output end of the motor 510 sequentially drives the speed reducer 520 and the stirring shaft 530 to rotate, and then the stirring paddle 540 and the material scattering cover 550 also rotate along with the stirring shaft 530, so that the materials in the feeding process and the reaction process are stirred.

The material passes through the first filter screen 230 in the falling process, and the material with the particle size smaller than or equal to the preset particle size passes through the first filter screen 230 and falls into the reaction kettle body 1. The material having a particle size greater than the predetermined particle size is caught on the screen surface of the first filter 230. The second cylinder 370 is now activated by the controller 4 such that the second cylinder 370 pulls the second filter screen 231 back to the filter state. Then, the first air cylinder 360 is started by the controller 4, so that the first air cylinder 360 stretches and pushes the first filter screen 230 towards the crushing structure direction, and the first filter screen 230 conveys materials with the particle size larger than the preset particle size to the crusher 320. The crusher 320 crushes large-particle materials, the crushed materials are conveyed to the material guide plate 340 through the feed back opening 350, and the material guide plate 340 guides the crushed materials into the reaction kettle body 1 again for reaction. Simultaneously, the vibrator 6 is started to accelerate the conveying of the crushed materials in the material guide plate 340. The first filter screen and 230 the second filter screen 231 alternately operate.

In the feeding process, the falling solid material can fall onto the outer surface of the spreading cover 550, and the solid material changes the movement direction along with the rotation of the spreading cover 550 under the action of the centrifugal force of the spreading cover 550, so that the falling solid material falls in a scattered spiral track.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present application, and not limiting thereof; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims (8)

1. The utility model provides a reation kettle feed arrangement which characterized in that includes: the reaction kettle comprises a reaction kettle body (1), a feeding unit and a stirring unit; the feeding unit comprises a funnel-shaped feeding port (210), a discharging pipe (220) connected with the lower end of the feeding port (210), a first filter screen (230) arranged in the discharging pipe (220) and a crushing structure communicated with the first filter screen (230);

The crushing structure comprises a crusher (320), a partition plate (330) and a material guide plate (340) which are arranged in a crushing shell (310) in a centralized manner, wherein the crusher (320) and the material guide plate (340) are vertically separated by the horizontally arranged partition plate (330), a material return opening (350) is formed in the partition plate (330), and a material outlet of the crusher (320) extends into the material return opening (350);

The crusher (320) is communicated with the first filter screen (230), one end of the first filter screen (230) away from the crusher (320) is connected with a first air cylinder (360), one end of the first air cylinder (360) away from the first filter screen (230) is connected with the inner wall of the blanking pipe (220), and the lower end of the material guide plate (340) stretches into the reaction kettle body (1).

2. The reactor feeding device according to claim 1, wherein a second filter screen (231) is further arranged below the first filter screen (230), one end of the second filter screen (231) is connected with a second cylinder (370), and the other end of the second cylinder (370) is connected with the inner wall of the blanking pipe (220);

And the first air cylinder (360) and the second air cylinder (370) are connected with the controller (4).

3. The reactor feeding device according to claim 2, wherein the stirring unit comprises a motor (510) arranged at the top of the reactor body (1), a speed reducer (520) and a stirring shaft (530) which are sequentially connected with the output end of the motor (510), and a stirring paddle (540) is arranged on the stirring shaft (530).

4. A reactor feeding device according to claim 3, wherein a spreading cover (550) is arranged above the stirring paddle (540) on the stirring shaft (530), and the lower end of the discharging pipe (220) is arranged above the spreading cover (550).

5. The reactor charging apparatus according to claim 4, wherein the horizontal distance between the outlet end of the discharge pipe (220) and the edge of the scattering cover (550) near the discharge pipe (220) is less than 0.

6. The reactor charging apparatus according to claim 5, wherein a dust cover (211) is provided at an upper portion of the charging port (210).

7. The reactor charging apparatus according to claim 6, wherein a vibrator (6) is provided at a lower portion of the material guide plate (340).

8. The reactor feeding device according to claim 7, wherein the motor (510) and the vibrator (6) are connected with the controller (4).