CN215611391U

CN215611391U - Nitration cauldron feeding device

Info

Publication number: CN215611391U
Application number: CN202121378226.7U
Authority: CN
Inventors: 王涛; 耿来红; 冯维真; 赵永生
Original assignee: Gansu Chemical Industry Research Institute Co ltd
Current assignee: Gansu Chemical Industry Research Institute Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-25
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a nitration reactor feeding device, which comprises a reactor body, wherein a motor is arranged on the lower surface of the reactor body, the output end of the motor is connected with a rotating shaft, the surface of the rotating shaft is provided with a stirring rod, the upper part of the surface of the rotating shaft is sleeved with a funnel, the output end of the motor is connected with a first belt pulley, a bottle is communicated with a first pipeline, bearings are embedded in the upper part and the lower part of the inner wall of a cylinder, a second pipeline is inserted into the inner ring of the bearing, the lower end of the second pipeline extends into the funnel from the cylinder, and the lower end of the second pipeline is communicated with a cross-shaped nozzle. The personal safety of the staff is ensured.

Description

Nitration cauldron feeding device

Technical Field

The utility model relates to the technical field of nitration reaction equipment, in particular to a nitration reaction kettle feeding device.

Background

The reaction kettle is a container for physical or chemical reaction, is widely applied to the industries of petroleum, chemical engineering, rubber, pesticides, dyes, medicines and foods, and is a container for completing the processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like; when a reaction kettle is used for nitration reaction, nitric acid is fed or dripped manually, a large amount of heat is generated in the nitration reaction, and due to the mode of adding the nitric acid, the nitric acid cannot be immediately and uniformly distributed in the reaction kettle, the phenomenon of local reaction overheating in the reaction kettle can be caused, so that nitration reaction byproducts are increased, and certain potential safety hazards also exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nitration kettle feeding device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a feeding device of a nitration reaction kettle comprises a reaction kettle body, wherein a feeding port is arranged on the left side of the upper surface of the reaction kettle body, a discharge valve is arranged on the lower portion of the right side surface of the reaction kettle body, and four groups of supporting legs are uniformly arranged on the lower surface of the reaction kettle body;

a rotating shaft is arranged between the upper wall and the lower wall inside the reaction kettle body, the lower end of the rotating shaft penetrates through the reaction kettle body and then extends out, a motor is arranged on the lower surface of the reaction kettle body, a shell of the motor is fixed below the reaction kettle body through two fixing columns, the output end of the motor is connected with the rotating shaft, stirring rods are arranged on the surface of the rotating shaft, at least two groups of stirring rods are arranged, and a proper distance is reserved between the two groups of stirring rods;

the upper part of the surface of the rotating shaft is sleeved with a funnel, the funnel is positioned above the stirring rod, the surface of the funnel is provided with four groups of liquid outlet pipes, and the liquid outlet pipes are uniformly distributed on the left side and the right side of the surface of the funnel;

the automatic bottle filling device is characterized in that a motor is mounted in the middle of the upper surface of the reaction kettle body and fixed through a fixing plate fixed on the upper surface of the reaction kettle body, the output end of the motor is connected with a first belt pulley, a bottle is fixed on the right side of the upper surface of the reaction kettle body and fixed above the reaction kettle body through a fixing block, a liquid filling opening is formed in the upper end of the bottle, a bottle cover is screwed on the surface of the liquid filling opening, air holes are formed in the surface of the bottle cover, the bottle is communicated with a first pipeline, and a valve is arranged on the upper surface of the first pipeline;

a cylinder inserted into the reaction kettle body is arranged on the upper surface of the reaction kettle body, bearings are embedded in the upper portion and the lower portion of the inner wall of the cylinder, a second pipeline is inserted into an inner ring of each bearing, the lower end of each second pipeline extends into the corresponding funnel from the cylinder, and the lower end of each second pipeline is communicated with the corresponding cross-shaped spray head;

the second belt pulley has been cup jointed to second pipeline upper end surface, the second belt pulley passes through belt and first belt pulley, the first pipeline other end injects inside the second pipeline.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the motor drives the second pipeline and the cross-shaped spray nozzle to rotate, so that nitric acid is diffused into the funnel, the motor drives the rotating shaft and the funnel to rotate, the nitric acid in the funnel is thrown into the reaction kettle body through the liquid outlet pipe, the nitric acid is uniformly dispersed in materials, the phenomenon of local overheating in the nitration reaction is avoided, the generation of byproducts is reduced, and meanwhile, the stirring rod stirs the nitric acid and the materials to accelerate the reaction rate;

the device can add the nitric acid only by adding the nitric acid into the bottle and opening the valve, manual addition of the nitric acid is not needed, and personal safety of workers is guaranteed.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of a showerhead of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

fig. 4 is an enlarged schematic structural view of the utility model at B in fig. 3.

In the figure: the device comprises a reaction kettle body 1, supporting legs 2, a motor 3, a rotating shaft 4, a stirring rod 5, a charging opening 6, a discharge valve 7, a funnel 8, a liquid outlet pipe 9, a motor 10, a bottle 11, a first pipeline 12, a valve 13, a first belt pulley 14, a belt 15, a second belt pulley 16, a cylinder 17, a second pipeline 18, a cross-shaped spray nozzle 19 and a bearing 20.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a nitration reaction kettle feeding device comprises a reaction kettle body 1, wherein the reaction kettle body 1 is used for containing materials and nitric acid and carrying out nitration reaction, a rotating shaft 4 is arranged between the upper wall and the lower wall inside the reaction kettle body 1, the upper end of the rotating shaft 4 is inserted into the inner wall of the reaction kettle body 1 and is rotationally connected with the reaction kettle body 1, the lower end of the rotating shaft 4 penetrates through the reaction kettle body 1 and then extends out, a motor 3 is arranged on the lower surface of the reaction kettle body 1 and is used for driving the rotating shaft 4 to rotate, and the output end of the motor 3 is connected with the rotating shaft 4;

the surface of the rotating shaft 4 is provided with a stirring rod 5, the lower half part of the stirring rod 5 is arranged in an n shape, the upper surface of the stirring rod 5 is symmetrically provided with two groups of short columns, the upper part of the surface of the rotating shaft 4 is sleeved with a funnel 8, the surface of the funnel 8 is provided with a liquid outlet pipe 9, and the liquid outlet pipe 9 and the funnel 8 are integrally formed;

a motor 10 is installed in the middle of the upper surface of the reaction kettle body 1, the output end of the motor 10 is connected with a first belt pulley 14, a bottle 11 is fixed on the right side of the upper surface of the reaction kettle body 1, the bottle 11 is used for containing nitric acid, the bottle 11 is communicated with a first pipeline 12, and a valve 13 is arranged on the upper surface of the first pipeline 12 and used for controlling whether the nitric acid in the bottle 11 flows out or not;

the upper surface of the reaction kettle body 1 is provided with a cylinder 17 inserted into the reaction kettle body 1, the cylinder 17 is fixedly connected with the reaction kettle body 1, bearings 20 are embedded in the upper and lower parts of the inner wall of the cylinder 17, a second pipeline 18 is inserted into the inner ring of each bearing 20, the second pipeline 18 can rotate more conveniently under the action of the two groups of bearings 20, the lower end of the second pipeline 18 extends into the funnel 8 from the cylinder 17, the lower end of the second pipeline 18 is communicated with a cross-shaped spray head 19, and the cross-shaped spray head 19 is communicated with and positioned in the funnel 8 but is not contacted with the funnel 8;

the upper end surface of the second pipeline 18 is sleeved with a second belt pulley 16, the second belt pulley 16 passes through a belt 15 and a first belt pulley 14, and the other end of the first pipeline 12 is inserted into the second pipeline 18.

Specifically, the stirring rods 5 are at least provided with two groups, so that the mixing degree of the materials and the nitric acid can be accelerated, the materials and the nitric acid are fully contacted, and the reaction is more uniform and thorough.

Specifically, drain pipe 9 sets up four groups, and evenly distributed is in 8 surperficial left and right sides of funnel, and the convenience is gone out the more extensive diffusion of nitric acid in the funnel 8, avoids the too concentrated and material contact of nitric acid.

Specifically, the casing of motor 3 is fixed in reation kettle body 1 below through two fixed columns, and the reinforcing is to the fixed effect of support of motor 3, motor 10 is fixed through the fixed plate of fixing at reation kettle body 1 upper surface, and the fixed plate supports motor 10, makes first belt pulley 14 and the second belt pulley 16 of motor 10 output be in same height simultaneously, bottle 11 passes through the fixed block to be fixed in reation kettle body 1 top.

Specifically, 1 upper surface left side of reation kettle body is equipped with charge door 6, conveniently adds the material, 1 right flank lower part of reation kettle body is equipped with bleeder valve 7, opens bleeder valve 7 and can take out reation kettle body 1's material, 1 lower surface of reation kettle body evenly is equipped with four group's landing legs 2, plays the fixed effect of support to reation kettle body 1.

Specifically, 11 upper ends of bottles are equipped with the filling opening, conveniently add nitric acid, the screw joint in filling opening surface has the bottle lid, avoids in the impurity in the air gets into bottle 11, the bottle lid surface is equipped with the bleeder vent, makes things convenient for nitric acid to flow out from bottle 11.

Specifically, when the device is used, the bottle cap is unscrewed to add nitric acid into the bottle 11, the bottle cap is screwed on, materials are added into the reaction kettle body 1 through the feed inlet 6 on the left side of the upper surface of the reaction kettle body 1, the motor 3 is started, the output end of the motor 3 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the two groups of stirring rods 5 and the funnel 8 to rotate, the motor 10 is started, the output end of the motor 10 drives the first belt pulley 14 to rotate, the first belt pulley 14 drives the second belt pulley 16 to rotate through the belt 15, the second belt pulley 16 drives the second pipeline 18 to rotate, and the cross-shaped spray nozzle 19 at the lower end of the second pipeline 18 rotates;

open valve 13 on first pipeline 12, nitric acid in the bottle 11 flows into in the second pipeline 18 along first pipeline 12, and spout through cross shower nozzle 19, because cross shower nozzle 19 is in the rotating condition, under the effect of centrifugal force, nitric acid is on by wider diffusion to 8 inner walls of funnel, because funnel 8 is also rotating, so in the funnel 8 nitric acid is thrown into reation kettle body 1 along drain pipe 9 on funnel 8 surface, with the material contact in reation kettle body 1, when the volume of the nitric acid of adding is suitable, close motor 10, mix the stirring to nitric acid and material under the effect of stirring rod 5 this moment, after the nitration is accomplished, close motor 4, open bleeder valve 7 of reation kettle body 1 right flank lower part, take out the material can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nitration cauldron feeding device, includes reation kettle body (1), its characterized in that: a rotating shaft (4) is arranged between the upper wall and the lower wall inside the reaction kettle body (1), the lower end of the rotating shaft (4) penetrates through the reaction kettle body (1) and then extends out, a motor (3) is installed on the lower surface of the reaction kettle body (1), the output end of the motor (3) is connected with the rotating shaft (4), a stirring rod (5) is arranged on the surface of the rotating shaft (4), a funnel (8) is sleeved on the upper portion of the surface of the rotating shaft (4), and a liquid outlet pipe (9) is arranged on the surface of the funnel (8);

the reaction kettle comprises a reaction kettle body (1), wherein a motor (10) is installed in the middle of the upper surface of the reaction kettle body (1), the output end of the motor (10) is connected with a first belt pulley (14), a bottle (11) is fixed on the right side of the upper surface of the reaction kettle body (1), the bottle (11) is communicated with a first pipeline (12), a valve (13) is arranged on the upper surface of the first pipeline (12), a cylinder (17) inserted into the reaction kettle body (1) is arranged on the upper surface of the cylinder (17), a bearing (20) is embedded into the upper portion and the lower portion of the inner wall of the cylinder (17), a second pipeline (18) is inserted into an inner ring of the bearing (20), the lower end of the second pipeline (18) extends into a funnel (8) from the cylinder (17), the lower end of the second pipeline (18) is communicated with a cross-shaped spray head (19), a second belt pulley (16) is sleeved on the upper end surface of the second pipeline (18), and the second belt pulley (16) is communicated with the first belt pulley (14) through a belt (15), the other end of the first pipe (12) is inserted into the interior of the second pipe (18).

2. The feeding device of the nitration kettle according to claim 1, wherein: the stirring rods (5) are at least provided with two groups.

3. The feeding device of the nitration kettle according to claim 1, wherein: the liquid outlet pipes (9) are arranged in four groups and are evenly distributed on the left side and the right side of the surface of the funnel (8).

4. The feeding device of the nitration kettle according to claim 1, wherein: the shell of the motor (3) is fixed below the reaction kettle body (1) through two fixing columns, the motor (10) is fixed through a fixing plate fixed on the upper surface of the reaction kettle body (1), and the bottle (11) is fixed above the reaction kettle body (1) through a fixing block.

5. The feeding device of the nitration kettle according to claim 1, wherein: the reaction kettle is characterized in that a feeding port (6) is arranged on the left side of the upper surface of the reaction kettle body (1), a discharge valve (7) is arranged on the lower portion of the right side surface of the reaction kettle body (1), and four groups of supporting legs (2) are uniformly arranged on the lower surface of the reaction kettle body (1).

6. The feeding device of the nitration kettle according to claim 1, wherein: the bottle is characterized in that a liquid filling opening is formed in the upper end of the bottle (11), a bottle cap is screwed on the surface of the liquid filling opening, and air holes are formed in the surface of the bottle cap.