Smelting charging ore blending device

Abstract

The utility model relates to the technical field of high-carbon soldering iron smelting, in particular to a smelting in-furnace ore blending device. According to the technical scheme, the device comprises a material mixing tank, a blocking mechanism, a material scattering mechanism and a control box, the material mixing tank is arranged at the top of a smelting furnace, four mounting plates are mounted at the upper end of the periphery of the material mixing tank in an annular array mode, batching hoppers are mounted on the four mounting plates, and discharging nozzles are arranged at the lower ends of the inner sides of the four batching hoppers; a U-shaped frame is installed in the middle of the top of the mixing tank, a stirring motor is installed in the middle of the top of a cross beam of the U-shaped frame, an output shaft of the stirring motor is connected with a stirring shaft through a flange, the stirring shaft extends into the mixing tank, a spiral blade and a stirring rod are installed on the stirring shaft, and the stirring rod is connected with the stirring motor through a flange. A discharge port is formed in the middle of the bottom of the mixing tank, an electromagnetic valve is mounted at the upper end of the discharge port, and a scattering mechanism is mounted at the lower end. According to the utility model, proportioned raw materials are uniformly scattered into the smelting furnace, so that the smelting effect of high-carbon ferro-chrome is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-carbon soldering iron smelting, in particular to a smelting furnace ore-matching device. Background Art

[0002] Ferrochrome is the most important raw material for producing stainless steel. High carbon ferrochrome can only produce special pig iron with a chromium content of about 30% using a blast furnace. Since chromium plays a decisive role in stainless steel, and the carbon content in ferrochrome depends on the reaction temperature, a furnace-bearing ore-bearing device is required for batching during smelting.

[0003] When the traditional ore mixing device is used, various raw materials are mixed and added into the smelting furnace at one time. The raw materials added into the smelting furnace at one time will pile up together, resulting in inconsistent smelting speeds inside and outside the raw materials, thus affecting the smelting effect of high carbon ferrochrome. Utility Model Content

[0004] The utility model aims to provide a smelting furnace ore distribution device, which has the advantages of evenly spreading the well-proportioned raw materials into the smelting furnace, improving the smelting effect of high-carbon ferrochrome, and solving the problems mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smelting furnace feeding ore mixing device, comprising a mixing tank, a sealing mechanism, a spreading mechanism and a control box, the mixing tank is arranged on the top of the smelting furnace, and four mounting plates are installed in a circular array around the upper end of the mixing tank, and each of the four mounting plates is equipped with a mixing hopper, and each of the four mixing hoppers is provided with a discharge nozzle at the lower end of the inner side, and the four discharge nozzles all extend into the interior of the mixing tank, and a sealing mechanism is provided on the inner side of the four mixing hoppers above the discharge nozzle, a U-shaped frame is installed in the middle of the top of the mixing tank, a stirring motor is installed in the middle of the top of the U-shaped frame crossbeam, the output shaft of the stirring motor is connected to the stirring shaft through a flange, the stirring shaft extends into the interior of the mixing tank, and a spiral leaf and a stirring rod are installed on the stirring shaft, and a discharge port is provided in the middle of the bottom of the mixing tank, an electromagnetic valve is installed at the upper end of the discharge port, and a spreading mechanism is installed at the lower end.

[0006] Preferably, four legs are symmetrically installed on both sides of the mixing tank. By providing four supporting legs, the mixing tank can be stably supported.

[0007] Preferably, the blocking mechanism is composed of an L-shaped plug plate, a fixed plate and two lifting electric rods, the fixed plate is installed on the batching hopper, two lifting electric rods are symmetrically installed on the top of the fixed plate, and the extended ends of the two lifting electric rods are jointly installed with an L-shaped plug plate, which is inserted and installed in the discharge nozzle. By setting up the blocking mechanism, it is convenient to open and close the discharge nozzle.

[0008] Preferably, the material spreading mechanism is composed of a material spreading nozzle, a spur gear 1, a spur gear 2, an L-shaped frame and a material spreading motor. The material spreading nozzle is rotatably mounted with the discharge port, the material discharging port of the material spreading nozzle extends into the smelting furnace, a spur gear 1 is mounted on the upper end of the material spreading nozzle, the L-shaped frame is mounted at the bottom of the mixing tank, a material spreading motor is mounted on the crossbeam of the L-shaped frame, a spur gear 2 is mounted on the output shaft of the material spreading motor, and the spur gear 2 is meshed and connected with the spur gear 1. By setting the material spreading mechanism, the raw materials can be evenly spread into the smelting furnace.

[0009] Preferably, the control box is installed on the right leg, and the control box is electrically connected to the electromagnetic valve, the material spreading motor, the lifting electric rod and the stirring motor. By setting up the control box, it is convenient to control the smelting and ore blending work as a whole.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model provides a material spreading mechanism. After the raw materials are mixed, the electromagnetic valve and the material spreading motor are opened through a control box, and the mixed raw materials enter the material spreading nozzle from the discharge port. The material spreading motor drives the second spur gear on its output shaft to rotate, and the second spur gear drives the first spur gear meshing with it to rotate. The rotation of the first spur gear drives the material spreading nozzle to rotate, so that the mixed raw materials are evenly spread into the smelting furnace for smelting, thereby improving the smelting effect of high-carbon ferrochrome. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is the appearance diagram of the utility model.

[0014] In the figure: 1. Mixing tank; 2. Smelting furnace; 3. Spur gear one; 4. Discharge port; 5. Solenoid valve; 6. Spreading nozzle; 7. Spur gear two; 8. L-shaped frame; 9. Spreading motor; 10. Support legs; 11. Discharge nozzle; 12. Mounting plate; 13. Batching hopper; 14. L-shaped plug plate; 15. Fixed plate; 16. Lifting electric rod; 17. U-shaped frame; 18. Stirring motor; 19. Stirring shaft; 20. Spiral blades; 21. Stirring rod; 22. Control box. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1 to Figure 2The utility model provides a technical solution for a smelting furnace ore-matching device: a smelting furnace ore-matching device, comprising a mixing tank 1, a blocking mechanism, a material spreading mechanism and a control box 22, the mixing tank 1 is arranged on the top of the smelting furnace 2, four legs 10 are symmetrically installed on both sides of the mixing tank 1, four mounting plates 12 are installed in a circular array around the upper end of the mixing tank 1, and a batching hopper 13 is installed on each of the four mounting plates 12, and a discharge nozzle 11 is arranged at the lower end of the inner side of the four batching hoppers 13, and the discharge ports of the four discharge nozzles 11 all extend into the interior of the mixing tank 1, and a blocking mechanism is arranged on the inner side of the four batching hoppers 13 above the discharge nozzle 11, and the blocking mechanism The structure is composed of an L-shaped plug plate 14, a fixed plate 15 and two lifting electric rods 16. The fixed plate 15 is installed on the batching hopper 13. Two lifting electric rods 16 are symmetrically installed on the top of the fixed plate 15. The extended ends of the two lifting electric rods 16 are jointly installed with the L-shaped plug plate 14. The L-shaped plug plate 14 is inserted and installed in the discharge nozzle 11. When in use, various raw materials are added to the four batching hoppers 13 in proportion in sequence, and the lifting electric rods 16 on the four blocking mechanisms are started through the control box 22. The lifting electric rods 16 work to drive the L-shaped plug plate 14 to rise and open the discharge nozzle 11, and the raw materials in the four batching hoppers 13 are added to the mixing tank 1.

[0017] A U-shaped frame 17 is installed in the middle of the top of the mixing tank 1, and a stirring motor 18 is installed in the middle of the top of the crossbeam of the U-shaped frame 17. The output shaft of the stirring motor 18 is connected to the stirring shaft 19 through a flange. The stirring shaft 19 extends into the interior of the mixing tank 1, and a spiral blade 20 and a stirring rod 21 are installed on the stirring shaft 19; the stirring motor 18 is started through the control box 22, and the stirring motor 18 drives the stirring shaft 19 to rotate through the flange. The rotation of the stirring shaft 19 drives the spiral blade 20 and the stirring rod 21 to rotate to stir and mix the raw materials.

[0018] A discharge port 4 is provided in the middle of the bottom of the mixing tank 1. An electromagnetic valve 5 is installed at the upper end of the discharge port 4, and a spreading mechanism is installed at the lower end. The spreading mechanism is composed of a spreading nozzle 6, a spur gear 1 3, a spur gear 2 7, an L-shaped frame 8 and a spreading motor 9. The spreading nozzle 6 is rotatably installed with the discharge port 4, and the discharge port of the spreading nozzle 6 extends into the smelting furnace 2. A spur gear 1 3 is installed at the upper end of the spreading nozzle 6, the L-shaped frame 8 is installed at the bottom of the mixing tank 1, and a spreading motor 9 is installed on the crossbeam of the L-shaped frame 8. The spreading motor 9 The output shaft is equipped with a spur gear 27, which is meshed with the spur gear 13; after the raw materials are mixed, the electromagnetic valve 5 and the material spreading motor 9 are opened through the control box 22, and the mixed raw materials enter the material spreading nozzle 6 from the discharge port 4. The material spreading motor 9 drives the spur gear 27 on its output shaft to rotate, and the spur gear 27 drives the spur gear 13 meshed with it to rotate. The rotation of the spur gear 13 drives the material spreading nozzle 6 to rotate so that the mixed raw materials are evenly spread into the smelting furnace 2 for smelting. The control box 22 is installed on the right leg 10, and the control box 22 is electrically connected to the electromagnetic valve 5, the material spreading motor 9, the lifting electric rod 16 and the stirring motor 18 respectively.

[0019] All motors of the utility model are designed with small servo motors - model 14HS2408. This model of motor is only used as a reference for personnel in the relevant technical field. Personnel in the relevant technical field can select motors with the same parameters and functions for installation, debugging and use according to actual production needs. This utility model will not elaborate on this.

[0020] When the utility model is used, various raw materials are added into four batching hoppers 13 in proportion in sequence, and the lifting electric rods 16 on the four blocking mechanisms are started through the control box 22. The lifting electric rods 16 work to drive the L-shaped plug plate 14 to rise and open the discharge nozzle 11, and the raw materials in the four batching hoppers 13 are added into the mixing tank 1, and then the stirring motor 18 is started through the control box 22. The stirring motor 18 works to drive the stirring shaft 19 to rotate through the flange, and the rotation of the stirring shaft 19 drives the spiral leaves 20 and the stirring rod 21 to rotate to stir and mix the raw materials. After the raw materials are mixed, the electromagnetic valve 5 and the spreading motor 9 are opened through the control box 22, and the mixed raw materials enter the spreading nozzle 6 from the discharge port 4. The spreading motor 9 works to drive the spur gear 2 7 on its output shaft to rotate, and the spur gear 2 7 drives the spur gear 1 3 meshing with it to rotate, and the spur gear 1 3 rotates to drive the spreading nozzle 6 to rotate so that the mixed raw materials are evenly spread into the smelting furnace 2 for smelting.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A smelting furnace ore mixing device, comprising a mixing tank (1), a blocking mechanism, a material spreading mechanism and a control box (22), characterized in that: The mixing tank (1) is arranged on the top of the smelting furnace (2), and four mounting plates (12) are installed in a circular array around the upper end of the mixing tank (1), and each of the four mounting plates (12) is installed with a batching hopper (13), and each of the four batching hoppers (13) is provided with a discharge nozzle (11) at the lower end of the inner side, and the discharge ports of the four discharge nozzles (11) all extend into the interior of the mixing tank (1), and a blocking mechanism is provided on the inner side of the four batching hoppers (13) above the discharge nozzle (11), and the top of the mixing tank (1) A U-shaped frame (17) is installed in the middle, a stirring motor (18) is installed in the middle of the top of the crossbeam of the U-shaped frame (17), the output shaft of the stirring motor (18) is connected to a stirring shaft (19) through a flange, the stirring shaft (19) extends into the mixing tank (1), a spiral blade (20) and a stirring rod (21) are installed on the stirring shaft (19), and a discharge port (4) is provided in the middle of the bottom of the mixing tank (1), an electromagnetic valve (5) is installed at the upper end of the discharge port (4), and a material spreading mechanism is installed at the lower end.

2. The smelting furnace ore matching device according to claim 1 is characterized in that: Four supporting legs (10) are symmetrically mounted in pairs on both sides of the mixing tank (1).

3. The smelting furnace ore matching device according to claim 1 is characterized in that: The blocking mechanism is composed of an L-shaped plug plate (14), a fixed plate (15) and two lifting electric rods (16); the fixed plate (15) is mounted on the batching hopper (13); the two lifting electric rods (16) are symmetrically mounted on the top of the fixed plate (15); the L-shaped plug plate (14) is commonly mounted on the extended ends of the two lifting electric rods (16); and the L-shaped plug plate (14) is inserted and mounted in the discharge nozzle (11).

4. The smelting furnace ore matching device according to claim 1 is characterized in that: The material spreading mechanism is composed of a material spreading nozzle (6), a spur gear one (3), a spur gear two (7), an L-shaped frame (8) and a material spreading motor (9). The material spreading nozzle (6) is rotatably mounted with the discharge port (4), the material discharging port of the material spreading nozzle (6) extends into the smelting furnace (2), the upper end of the material spreading nozzle (6) is mounted with a spur gear one (3), the L-shaped frame (8) is mounted at the bottom of the mixing tank (1), the material spreading motor (9) is mounted on the crossbeam of the L-shaped frame (8), the output shaft of the material spreading motor (9) is mounted with a spur gear two (7), and the spur gear two (7) is meshingly connected with the spur gear one (3).

5. The smelting furnace ore matching device according to claim 1 is characterized in that: The control box (22) is installed on the right leg (10), and the control box (22) is electrically connected to the electromagnetic valve (5), the material spreading motor (9), the lifting electric rod (16) and the stirring motor (18) respectively.

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