CN216538666U - Crushing and screening device for recarburizer - Google Patents

Abstract

The utility model discloses a carburant crushing and screening device which comprises a shell, wherein a feeding pipe penetrates through the upper end of the shell, a discharging pipe penetrates through the bottom of the shell, a mixing mechanism extending into the shell is installed at the upper end of the shell, a box body is fixedly connected to the upper end of the shell, a filtering mechanism is fixedly connected into the box body, a material guide pipe extending into the shell penetrates through the inner bottom of the box body, a guide plate opposite to the material guide pipe is fixedly connected to the inner bottom of the box body, a blowing mechanism is rotatably connected to the inner top of the box body, and the blowing mechanism is connected with the mixing mechanism through a first conveying belt. The utility model has reasonable structural design, not only can crush and filter the carburant when the carburant is added in steel production, avoid the carburant from caking, ensure the absorptivity of the carburant, but also can uniformly mix the carburant and the steel raw material, and ensure the production efficiency.

Description

Crushing and screening device for recarburizer

technical field

The utility model relates to the technical field of steel production devices, in particular to a crushing and screening device for recarburizers.

Background technique

In the smelting process of iron and steel products, the smelting loss of carbon elements in the molten iron is often increased due to factors such as smelting time, holding time, and overheating time, resulting in a decrease in the carbon content in the molten iron, resulting in The carbon content in the molten iron does not reach the theoretical value expected in the refining process. The carbon-containing substances added in order to supplement the carbon content of the burning loss during the iron and steel smelting process are called recarburizers.

When the recarburizer is added in the iron and steel production process, the raw material of the recarburizer is prone to agglomeration, which reduces the contact area with the steel raw material, affects the absorption rate of the recarburizer, and is difficult to fully mix with the steel raw material. Its production efficiency, for this reason, we designed a crushing and screening device for recarburizers to solve the above problems.

Utility model content

The purpose of this utility model is to solve the problem that when the carburizer is added in the iron and steel production process in the prior art, the carburizer raw material is prone to agglomeration, which affects the absorption rate of the carburizer, and the carburizer is difficult to be sufficient with the steel raw materials. Mixing, affecting its production efficiency, and the proposed crushing and screening device for recarburizer, which can not only crush and filter the recarburizer when adding recarburizer in steel production, avoid its agglomeration phenomenon, and ensure carbon increase. The absorption rate of the agent can be improved, and the recarburizer can be uniformly mixed with the iron and steel raw materials to ensure the production efficiency.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

The crushing and screening device for recarburizer includes a casing, a feeding pipe is arranged through the upper end of the casing, a discharge pipe is arranged through the bottom of the casing, and the upper end of the casing is installed with a feeding pipe extending to the inside of the casing. A mixing mechanism, the upper end of the casing is fixedly connected with a box body, the box body is fixedly connected with a filter mechanism, the inner bottom of the box body is provided with a material guide pipe extending into the casing, and the box body is The inner bottom is fixedly connected with a guide plate opposite to the material guide pipe, and the inner top of the box is rotatably connected with a blowing mechanism, the blowing mechanism and the mixing mechanism are connected by a first conveyor belt, and the upper end of the box penetrates through the device. There is a feeding funnel, a pulverizing mechanism is arranged in the box, and the pulverizing mechanism and the blowing mechanism are connected by a transmission mechanism.

Preferably, the mixing mechanism includes a mounting plate fixedly connected to the upper end of the casing, a motor is mounted on the front side wall of the mounting plate, and a mixing rod is fixedly connected to the end of the output shaft of the motor, and the mixing rod penetrates through the casing The upper end of the mixing rod extends to its interior, and a plurality of mixing blades are fixedly connected to the side wall of the mixing rod.

Preferably, the filtering mechanism includes a partition plate that is fixedly connected together between the inner side walls of the upper and lower ends of the box body, and a filter screen is installed through the side walls of the partition plate.

Preferably, the blowing mechanism includes a rotating rod rotatably connected to the top of the box, the bottom of the rotating rod is fixedly connected with a blowing fan blade, and the first conveyor belt runs through the side wall of the box and is wound around the rotating rod and the mixer. between the rods.

Preferably, the pulverizing mechanism includes a first pulverizing roller rotatably connected to the rear side wall of the box body, and a second pulverizing roller meshing with the first pulverizing roller is rotatably connected to the inner and rear side walls of the box body. A discharge port is provided through the side wall of the box body, and a sealing block is sealed and slidably connected in the discharge port.

Preferably, the transmission mechanism includes a first bevel gear sleeved on the side wall of the rotating rod, and a second bevel gear meshing with the first bevel gear is rotatably connected to the inner and rear side walls of the box body. A second conveyor belt is wound between the two bevel gears and the second pulverizing roller.

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

1. Through the settings of the box body, filter mechanism, material guide pipe, guide plate, blowing mechanism and crushing mechanism, the recarburizer can be crushed and filtered when the recarburizer is added in steel production to avoid agglomeration and ensure Absorption rate of recarburizers.

2. Through the setting of the installation plate, motor, mixing rod and mixing blade, the recarburizer and the steel raw material can be uniformly mixed to ensure the production efficiency.

To sum up, the structural design of the utility model is reasonable, not only can the carburizer be pulverized and filtered when the carburizer is added in iron and steel production, so as to avoid its agglomeration phenomenon, ensure the absorption rate of the carburizer, and also can improve the recarburizer. The carbon agent and the steel raw materials are uniformly mixed to ensure the production efficiency.

Description of drawings

Fig. 1 is the external structure schematic diagram of the crushing and screening device of the carburizing agent proposed by the utility model;

Fig. 2 is the structural representation of the crushing and screening device of the carburizing agent proposed by the utility model;

Fig. 3 is an enlarged view of the structure at place A in Fig. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 3 .

In the picture: 1 shell, 2 feeding pipe, 3 discharging pipe, 4 mounting plate, 5 motor, 6 mixing rod, 7 mixing blade, 8 box body, 9 partition plate, 10 filter screen, 11 material guide pipe, 12 guide Plate, 13 rotating rod, 14 blowing fan blade, 15 first conveyor belt, 16 first bevel gear, 17 second bevel gear, 18 feeding funnel, 19 first crushing roller, 20 second crushing roller, 21 second conveyor belt, 22 discharge ports and 23 seals are blocked.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Referring to Figure 1-4, the crushing and screening device for recarburizer includes a casing 1, a feeding pipe 2 is arranged through the upper end of the casing 1, and a discharging pipe 3 is installed through the bottom of the casing 1. It should be noted that, A control valve is installed on the discharge pipe 3, which can control the progress of the discharge work, and the inner bottom of the casing 1 is inclined to facilitate the discharge work. The upper end of the casing 1 is installed with a mixing mechanism extending into its interior. The mixing mechanism includes a mounting plate 4 fixedly connected to the upper end of the housing 1, a motor 5 is mounted on the front side wall of the mounting plate 4, and a mixing rod 6 is fixedly connected to the end of the output shaft of the motor 5, and the mixing rod 6 penetrates the upper end of the housing 1 and is connected. Extending to its interior, the side wall of the mixing rod 6 is fixedly connected with a plurality of mixing blades 7. It should be noted that the motor 5 drives the mixing rod 6 and the mixing blade 7 to rotate, which can fully mix the carburizing agent raw material and the steel raw material. Guarantee production efficiency;

A box body 8 is fixedly connected to the upper end of the casing 1, and a filter mechanism is fixedly connected to the box body 8. The filter mechanism includes a partition plate 9 that is fixedly connected between the inner side walls of the upper and lower ends of the box body 8. The side walls of the partition plate 9 A filter screen 10 is installed throughout. It should be noted that the partition plate 9 can divide the box body 8 into two chambers, and the filter screen 10 can filter the carburizing agent raw material;

The inner bottom of the box body 8 is provided with a material guide pipe 11 extending into the shell 1, the inner bottom of the box body 8 is fixedly connected with a guide plate 12 opposite to the material guide pipe 11, and the inner top of the box body 8 is rotatably connected with a The blowing mechanism, the blowing mechanism and the mixing mechanism are connected by a first conveyor belt 15, the blowing mechanism includes a rotating rod 13 rotatably connected to the top of the box body 8, the bottom of the rotating rod 13 is fixedly connected with a blowing fan blade 14, and the first conveyor belt 15 It penetrates the side wall of the box 8 and is wound around the rotating rod 13 and the mixing rod 6. It should be noted that under the connection of the first conveyor belt 15, the rotating rod 13 and the mixing rod 6 can be rotated together, and the rotating rod 13. Driving the blowing fan blades 14 to rotate can blow the carburizer raw material in the box 8 into the shell 1 through the material guide pipe 11, and the guide plate 12 can guide the carburizer raw material, which is convenient for adding it to the shell. 1;

The upper end of the box body 8 is provided with a feeding funnel 18, and the box body 8 is provided with a crushing mechanism. The wall is rotatably connected with a second pulverizing roller 20 that meshes with the first pulverizing roller 19. The side wall of the box body 8 is provided with a discharge port 22, and the discharge port 22 is sealed and slidably connected with a sealing block 23. It should be noted that , the carburizer raw material added into the box 8 through the feeding funnel 18 can be dropped on the first pulverizing roller 19 and the second pulverizing roller 20 for pulverization;

The crushing mechanism and the blowing mechanism are connected by a transmission mechanism. The transmission mechanism includes a first bevel gear 16 sleeved on the side wall of the rotating rod 13. The inner and rear side walls of the box 8 are rotatably connected with the first bevel gear 16. There is a second conveyor belt 21 around the second bevel gear 17 and the second grinding roller 20. It should be noted that under the connection of the second conveyor belt 21, when the rotating rod 13 rotates The second pulverizing roller 20 is rotated together, and then under the meshing action thereof, the first pulverizing roller 19 and the second pulverizing roller 20 can rotate to perform pulverizing work.

The utility model can illustrate its functional principle through the following operation modes:

In the present invention, during the iron and steel production process, the iron and steel raw materials are added into the shell 1 through the feeding pipe 2, the shell 1 is heated to process the iron and steel raw materials, the motor 5 is started, and under the connection of the first conveyor belt 15, The rotating rod 13 , the blower blade 14 and the first bevel gear 16 can be rotated, the second bevel gear 27 can be rotated under the meshing action of the first bevel gear 16 , and the second bevel gear 27 can be rotated under the connection action of the second conveyor belt 21 . The second pulverizing roller 20 rotates with the first pulverizing roller 19, and the carburizer raw material is fed into the box 8 through the feeding funnel 18 and dropped on the first pulverizing roller 19 and the second pulverizing roller 20, so that it can be pulverized , to avoid agglomeration and ensure the recarburizer absorption rate. The filter screen 10 can continue to filter the carburizer raw materials, and the rotation of the blowing fan blades 14 can make the carburizer raw materials pass through the filter screen 10 and blow through the material guide pipe 11. In the housing 1, the motor 5 drives the mixing rod 6 and the mixing blade 7 to rotate, which can fully mix the recarburizer and the steel raw material to ensure production efficiency;

Pulling out the sealing plug 23 can clean the insufficiently crushed carburizing agent raw materials accumulated in the box 8 through the discharge port 22, which is convenient for taking it out and crushing it again, so as to avoid waste of raw materials.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A crushing and screening device for recarburizers, comprising a shell (1), characterized in that a feeding pipe (2) is provided through the upper end of the shell (1), and the bottom of the shell (1) runs through A discharge pipe (3) is installed, the upper end of the casing (1) is installed with a mixing mechanism extending into the interior thereof, and a box (8) is fixedly connected to the upper end of the casing (1). (8) A filter mechanism is fixedly connected inside, the inner bottom of the box body (8) is provided with a material guide pipe (11) extending into the casing (1), and the inner bottom of the box body (8) is fixed A guide plate (12) opposite to the material guide pipe (11) is connected, the inner top of the box body (8) is rotatably connected with a blowing mechanism, and the blowing mechanism and the mixing mechanism are connected by a first conveyor belt (15) The upper end of the box body (8) is provided with a feeding funnel (18), and the box body (8) is provided with a pulverizing mechanism, and the pulverizing mechanism and the blowing mechanism are connected by a transmission mechanism. 2 . The crushing and screening device for recarburizers according to claim 1 , wherein the mixing mechanism comprises a mounting plate ( 4 ) fixedly connected to the upper end of the casing ( 1 ). The mounting plate ( 4 ) A motor (5) is installed on the front side wall of the motor (5), and a mixing rod (6) is fixedly connected to the end of the output shaft of the motor (5), and the mixing rod (6) penetrates the upper end of the housing (1) and extends to its interior , a plurality of mixing blades (7) are fixedly connected to the side wall of the mixing rod (6). 3. The crushing and screening device for recarburizers according to claim 1, characterized in that the filtering mechanism comprises a partition plate (9) that is fixedly connected together between the inner walls of the upper and lower ends of the box body (8), A filter screen (10) is installed through the side wall of the partition plate (9). 4 . The crushing and screening device for recarburizers according to claim 2 , wherein the blowing mechanism comprises a rotating rod ( 13 ) rotatably connected to the inner top of the box body ( 8 ). The rotating rod ( 13 ) The bottom of the ) is fixedly connected with a blowing fan blade (14), and the first conveyor belt (15) penetrates the side wall of the box (8) and is wound between the rotating rod (13) and the mixing rod (6). 5 . The crushing and screening device for recarburizers according to claim 4 , wherein the crushing mechanism comprises a first crushing roller ( 19 ) rotatably connected to the inner and rear side walls of the box body ( 8 ). A second pulverizing roller (20) meshing with the first pulverizing roller (19) is rotatably connected to the inner and rear side walls of the box body (8), and the side wall of the box body (8) is provided with a discharge port ( 22), a sealing block (23) is sealed and slidably connected in the discharge port (22). 6 . The crushing and screening device for recarburizers according to claim 5 , wherein the transmission mechanism comprises a first bevel gear ( 16 ) sleeved on the side wall of the rotating rod ( 13 ), and the box A second bevel gear (17) meshing with the first bevel gear (16) is rotatably connected to the inner rear sidewall of the body (8), and the second bevel gear (17) and the second pulverizing roller (20) are rotatably connected. A second conveyor belt (21) is wound around.

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