CN217796568U

CN217796568U - Metallurgical stove feeding device

Info

Publication number: CN217796568U
Application number: CN202221502672.9U
Authority: CN
Inventors: 郑福生; 付强; 何新; 董俊仁; 左翼
Original assignee: Tangshan Iron And Steel Group Heavy Machinery Equipment Co ltd; Tangshan Iron and Steel Group Co Ltd; HBIS Co Ltd Tangshan Branch
Current assignee: Tangshan Iron And Steel Group Heavy Machinery Equipment Co ltd; Tangshan Iron and Steel Group Co Ltd; HBIS Co Ltd Tangshan Branch
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-15
Anticipated expiration: 2032-06-16

Abstract

The utility model relates to a metallurgical stove feeding device belongs to metallurgical equipment technical field. Including breaker, transfer device, grinder, breaker includes feeder hopper (1), crushing roller (4), first motor (6), grinder includes loading hopper (3), third motor (9), axis of rotation (10), abrasive disc (11), grinding net (14), net frame (15), and the up end at net frame (15) is fixed in grinding net (14) assembly, and net frame (15) assembly is on brace table (17), transfer device includes riser (2), spiral feed bar (7), second motor (8). The utility model discloses the device can be automatic smash through multistage, and the material further obtains smashing, grinding, refines after the material becomes powdered, reduces the heat time of material, makes the heating of material reduce the consumption of the energy, reduces manufacturing cost, increases the efficiency of work.

Description

Metallurgical stove feeding device

Technical Field

The utility model relates to a metallurgical stove feeding device belongs to metallurgical equipment technical field.

Background

In the process of refining materials by using a metallurgical furnace, metallurgical enterprises need to add materials such as alloy into the metallurgical furnace. Because the lumpiness of the materials is generally larger and the initial temperature of the materials is lower, the heating time of the materials is longer in the smelting process of the metallurgical furnace, a large amount of energy is consumed, the metallurgical efficiency is low, and the production cost is higher. For this purpose, crushing and screening are required to achieve the necessary particle size. The powdery materials fly upwards in the transportation process, so that environmental pollution and loss are caused, and the adding and crushing processes need to be carried out by means of a large amount of manpower, so that the operation efficiency is low, and potential safety hazards exist. Therefore, a metallurgical furnace feeding device needs to be designed, metallurgical materials can be further crushed and ground, the materials are refined after being changed into powder, the heating time of the materials is shortened, the heating of the materials is reduced, the energy consumption is reduced, the production cost is reduced, and the working efficiency is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a metallurgical stove feeding device is provided, can make metallurgical material carry out further smashing, grinding, make the material become to refine after the powdered, reduce the heat time of material, make the heating of material reduce the consumption of the energy, reduce manufacturing cost, increase the efficiency of work.

The technical scheme for solving the technical problems is as follows: a metallurgical furnace feeding device comprises a crushing device, a transfer device and a grinding device, wherein the crushing device comprises a feed hopper, two crushing rollers and a first motor, the feed hopper is in an upper end opening shape, the side surface of the lower end of the feed hopper is funnel-shaped, the middle of the feed hopper is in a cylindrical structure of a square box body, the two crushing rollers are arranged in parallel at the middle of the square box body, the side surface of each crushing roller is provided with the first motor, the crushing roller is provided with a crushing cutter, the grinding device comprises a feed hopper, a third motor, a rotating shaft, a grinding disc, a grinding net and a net frame, the upper part of the feed hopper is a cylinder, the lower part of the feed hopper is in a funnel-shaped structure, the third motor is assembled at the central position of the top of the feed hopper, the upper end part of the rotating shaft is assembled and connected with the third motor, the grinding disc-shaped structure is arranged at the central part of the rotating shaft, the grinding disc is provided with a feed inlet, the feed inlet is a through hole through which the upper end face and the lower end face of the feed inlet are communicated, the inner wall of the feeding hopper is provided with a circular supporting table, the net frame is cylindrical, the outer side of the upper end face is provided with a flange, the outer edge of the flange is matched with the inner edge of the feeding hopper, the inner edge of the supporting table is matched with the outer edge of the net frame, the grinding net is a metal net and is assembled and fixed on the upper end face of the net frame, the net frame is assembled on the supporting table, the upper surface position of the grinding net is matched with the lower surface position of the grinding disc, the transfer device comprises a lifting pipe, a spiral feeding rod and a second motor, the lifting pipe is of a circular pipe structure and is internally provided with the spiral feeding rod, the bottom of one side of the lifting pipe is provided with the second motor and assembled with the spiral feeding rod, one end of the lifting pipe is arranged at the lower end face of the feeding hopper, and the other end of the lifting pipe is arranged inside the hopper.

According to the charging device for the metallurgical furnace, the spring is arranged between the supporting platform and the flange plate and is arranged on the outer side of the screen frame.

In the charging device for the metallurgical furnace, 3-10 groups of springs are arranged between the supporting platform and the flange plate.

According to the charging device for the metallurgical furnace, the baffle is arranged on the inner surface of the feeding hopper, the lower end face of the baffle is matched with the upper surface of the grinding disc, and the side face of the baffle is matched with the outer surface of the rotating shaft.

According to the charging device for the metallurgical furnace, 1 to 3 baffles are arranged on the inner surface of the feed hopper.

According to the charging device for the metallurgical furnace, the crushing rollers are provided with a plurality of rows of crushing knives, and the crushing knives on the two crushing rollers are alternately arranged in a cross manner.

According to the charging device of the metallurgical furnace, the first motors arranged on the two crushing rollers are turned inwards, and the two crushing rollers rotate inwards in opposite directions.

According to the charging device for the metallurgical furnace, the grinding disc is provided with 1-5 rows of 3-8 feeding holes, and the diameter of each feeding hole is 2-3 times of the length of the maximum lump.

In the charging device for the metallurgical furnace as described above, the distance between the position of the upper surface of the grinding screen and the lower surface of the grinding disc is 1 to 1.2 times the maximum lump length in the empty condition.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the device of the utility model is reasonable in structure and convenient to assemble. The grinding through multistage smashing can be automatic, the material is further smashed and ground, the material is refined after becoming powdered, the heating time of the material is reduced, the heating of the material reduces the consumption of energy, the production cost is reduced, and the work efficiency is increased.

Drawings

FIG. 1 is a schematic view of the apparatus of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the device of the present invention;

FIG. 3 is a top view of the device of the present invention;

FIG. 4 is a schematic view of the spring, supporting platform and flange of the present invention;

labeled as: the device comprises a feed hopper 1, a lifting pipe 2, a feed hopper 3, a crushing roller 4, a crushing cutter 5, a first motor 6, a spiral feed rod 7, a second motor 8, a third motor 9, a rotating shaft 10, a grinding disc 11, a feed inlet 12, a baffle 13, a grinding net 14, a net frame 15, a spring 16, a support table 17 and a flange 18.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in the attached drawing, the metallurgical furnace feeding device comprises a crushing device, a transfer device and a grinding device, wherein the crushing device comprises a feed hopper 1, crushing rollers 4 and a first motor 6, the feed hopper 1 is in an upper end opening shape, the side surface of the lower end is in a funnel shape, the middle of the feed hopper 1 is in a cylindrical structure of a square box body, two crushing rollers 4 are arranged in parallel at the middle of the square box body, the first motor 6 is assembled at the side surface of each crushing roller 4, a crushing knife 5 is arranged on each crushing roller 4, the grinding device comprises a feed hopper 3, a third motor 9, a rotating shaft 10, a grinding disc 11, a grinding net 14 and a net frame 15, the upper part of the feed hopper 3 is in a cylindrical shape, the lower part of the feed hopper is in a funnel-shaped structure, the third motor 9 is assembled at the central position of the top of the feed hopper 3, the upper end part of the rotating shaft 10 is assembled and connected with the third motor 9, the grinding disc 11 is in a disc-shaped structure, the center part is assembled and connected with the lower end part of the rotating shaft 10, the grinding disc 11 is provided with a feed inlet 12, the feed inlet 12 is a through hole with a through upper end surface and a through lower end surface, the inner wall of the charging hopper 3 is provided with a circular support table 17, the net frame 15 is cylindrical, the outer side of the upper end surface is provided with a flange 18, the outer edge of the flange 18 is matched with the inner edge of the charging hopper 3, the inner edge of the support table 17 is matched with the outer edge of the net frame 15, the grinding net 14 is a metal net and is assembled and fixed on the upper end surface of the net frame 15, the net frame 15 is assembled on the support table 17, the upper surface position of the grinding net 14 is matched with the lower surface position of the grinding disc 11, the transfer device comprises a lifting pipe 2, a spiral feed rod 7 and a second motor 8, the lifting pipe 2 is of a circular pipe structure, the spiral feed rod 7 is arranged in the lifting pipe, the bottom of one side is provided with the second motor 8 assembled with the spiral feed rod 7, one end of the lifting pipe 2 is arranged at the lower end of the end surface funnel of the feeding hopper 1, and the other end of the lifting pipe is arranged inside the hopper 3. And 8 groups of springs 16 are arranged between the support platform 17 and the flange plate 18, and the springs 16 are arranged on the outer side of the screen frame 15.

The internal surface of loading hopper 3 is provided with 1 baffle 13, the lower terminal surface of baffle 13 and the upper surface position phase-match of abrasive disc 11, the side matches with the surface phase-match of axis of rotation 10.

The crushing rollers 4 are provided with a plurality of rows of crushing knives 5, and the crushing knives 5 on the two crushing rollers 4 are alternately arranged in a cross way. The first motors 6 arranged on the two crushing rollers 4 are arranged inwards in a rotating direction, and the two crushing rollers 4 rotate inwards in opposite directions.

The grinding disc 11 is provided with 2 rows of 6 feed inlets 12, and the diameter of each feed inlet 12 is 2 times of the length of the maximum material block. The distance between the position of the upper surface of the grinding mesh 14 and the lower surface of the grinding disk 11 is 1.2 times the maximum lump length in the unloaded condition.

This during operation, install hopper 3 in the top of metallurgical stove, the material of treating the refining is put into feeder hopper 1, carry out preliminary smashing to the material through the rotation in opposite directions that first motor 6 drove two crushing roller 4, later promote the material in feeder hopper 1 to the feeder hopper 3 through the spiral feed rod 7 that second motor 8 drove, make the material fall into abrasive disc 11 top, drive axis of rotation 10 and abrasive disc 11 through third motor 9, make the material on the abrasive disc 11 keep off when rotating by scraping wings 13 and send into in a plurality of feed inlets 12 on the abrasive disc 11, and make the material in a plurality of feed inlets 12 ground by abrasive disc 11 and grinding mesh 14 and smash through the continuous rotation of abrasive disc 11, make powdered material from feeder hopper 3 bottom entering metallurgical stove refining.

When grinding, great material gets into abrasive disc 11 bottom, makes the gap increase between grinding 14 and the abrasive disc 11 to make grinding 14 move extrusion spring 16 downwards, will grind 14 downstream, and grind the in-process that diminishes at the material and grind 14 and reset under spring 16's effect, make grinding 14 and abrasive disc 11 extrude the material all the time, grind the material, prevent through the wire frame 15 that the powder after grinding from staying on a supporting bench 17 simultaneously.

The device of the utility model is reasonable in structure and convenient to assemble. The grinding through multistage smashing can be automatic, the material is further smashed and ground, the material is refined after becoming powdered, the heating time of the material is reduced, the heating of the material reduces the consumption of energy, the production cost is reduced, and the work efficiency is increased.

Claims

1. The utility model provides a metallurgical stove feeding device, characterized by includes breaker, transfer device, grinder, breaker includes feeder hopper (1), crushing roller (4), first motor (6), feeder hopper (1) is upper end opening form, and the lower extreme side is for leaking hopper-shaped, and the centre is the tube-type structure of square box body, and at middle square box body position, parallel arrangement has two crushing roller (4), and the side of every crushing roller (4) is equipped with first motor (6), be provided with crushing sword (5) on crushing roller (4), grinder includes hopper (3), third motor (9), axis of rotation (10), abrasive disc (11), grinding net (14), net frame (15), hopper (3) upper portion is the drum, and the lower part is funnel type structure, and third motor (9) assemble at hopper (3) top central point, axis of rotation (10) upper end and third motor (9) be assembled connection, abrasive disc (11) are disc type structure, and central point is described axis of rotation (10) and is described axis of rotation (11) top central point of rotation, set up end face (12) on grinding disc (11), the annular through-hole (12) is provided with through-hole (17) for the outer side of supporting bench side, the inner wall (17) is provided with the inner wall (17) outside the cylindrical through-type structure, the cylindrical through-hole (17), and the side is described in the side of feeding hole (17), and the side is equipped with the cylindrical through-type structure, and the grinding disc (3) is equipped with the grinding disc (11), and the grinding disc (15) is equipped with the grinding disc (3) is equipped with the upper end face, the grinding device comprises a flange plate (18), the outer edge of the flange plate (18) is matched with the inner edge of a feeding hopper (3), the inner edge of a supporting table (17) is matched with the outer edge of a net frame (15), a grinding net (14) is a metal net and is assembled and fixed on the upper end face of the net frame (15), the net frame (15) is assembled on the supporting table (17), the upper surface position of the grinding net (14) is matched with the lower surface position of a grinding disc (11), the transfer device comprises a lifting pipe (2), a spiral feeding rod (7) and a second motor (8), the lifting pipe (2) is of a circular pipe structure, a spiral feeding rod (7) is arranged inside the lifting pipe, the second motor (8) is assembled with the spiral feeding rod (7) at the bottom of one side, one end of the lifting pipe (2) is arranged at the lower end face of the feeding hopper (1), and the other end of the lifting pipe is arranged inside the hopper (3).

2. Charging installation according to claim 1, characterised in that a spring (16) is arranged between the support platform (17) and the flange plate (18), which spring (16) is arranged outside the screen frame (15).

3. Charging installation for a metallurgical furnace according to claim 2, characterized in that between the support platform (17) and the flange (18) there are arranged 3-10 groups of springs (16).

4. The metallurgical furnace charging installation according to claim 1, characterized in that the inner surface of the charging hopper (3) is provided with baffles (13), the lower end surfaces of the baffles (13) matching the position of the upper surface of the grinding disk (11) and the side surfaces matching the outer surface of the rotating shaft (10).

5. The charging device for a metallurgical furnace according to claim 4, characterized in that the inner surface of the charging hopper (1) is provided with 1-3 baffles (13).

6. The metallurgical furnace charging installation according to claim 1, characterized in that the crushing rolls (4) are provided with a plurality of rows of crushing knives (5), the crushing knives (5) of two crushing rolls (4) being alternately arranged crosswise.

7. The metallurgical furnace charging installation according to claim 1, characterized in that the first motor (6) fitted to the two crushing rolls (4) is turned inwards and the two crushing rolls (4) are turned inwards in opposite directions.

8. The metallurgical furnace charging installation according to claim 1, characterized in that the grinding disc (11) is provided with 1-5 rows of 3-8 feed openings (12), each feed opening (12) having a diameter of 2-3 times the maximum charge block length.

9. The metallurgical furnace charging installation according to claim 1, characterized in that the distance between the position of the upper surface of the grinding mesh (14) and the lower surface of the grinding disk (11) is 1-1.2 times the maximum lump length in the unloaded condition.