Electric heating device for ore tank

By designing an electric heating device for the ore bin, and using a fixing screw and a contact ring to make the heating plate fit against the outer wall of the ore bin, the problem of blockage caused by damp ore was solved, and the stable operation of the blast furnace was achieved.

CN223909983UActive Publication Date: 2026-02-13ANGANG STEEL CO LTD
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Patent Information

Application Number
CN202520063858.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-02-13
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

When using lump ore in a blast furnace, the surface of the lump ore is damp and has fine particles attached, which cause them to adhere to the receiving trough, affecting continuous use and causing unstable operation.

Method used

An electric heating device for a mine trough was designed. By using a fixing screw and a contact ring, the heating plate and the patch thermocouple are pushed close to the outer wall of the trough, so that the heating plate and the patch thermocouple are in contact with the outer wall of the trough, achieving effective heating and preventing blockage.

Benefits of technology

It enabled the smooth flow of lump ore and coke, ensuring the continuous and stable operation of the blast furnace and solving the blockage problem caused by moisture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of ore tanks, in particular to an ore tank electric heating device which comprises an ore tank, mounting grooves formed in the outer walls of the two sides of the ore tank and heating structures mounted on the outer walls of the ore tank and located at the mounting grooves. The heating structure comprises a heat preservation shell, movable pipes welded to the inner walls of the four corners of the heat preservation shell at equal intervals, sliding rods slidably connected to the inner walls of the movable pipes, heating plates installed on the outer walls of the other ends of the sliding rods and patch galvanic couples installed on the outer walls of the other sides of the heating plates. The fixing screw pushes the heating plate and the patch galvanic couple to be close to the outer wall of the ore tank through the contact ring, so that the heating plate and the patch galvanic couple are attached to the outer wall of the ore tank, use is convenient, attachment in the heating process is guaranteed, and use is convenient; after the heating plate and the patch galvanic couple, the interior of the ore groove is heated, lump ore and coke are dried, the lump ore and the coke can smoothly flow in the material receiving groove and are not blocked, and the blast furnace continuously and stably uses the lump ore.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ore groove, especially relates to an ore groove electric heating device. BACKGROUND

[0002] Due to insufficient supply of blast furnace sintered ore, the blast furnace smelting capacity is insufficient, in order to improve the blast furnace output, use a certain proportion of lump ore, under the strict control of future environmental protection law, the operation cost of sintering quantity rises, so that its output is limited, future or long-term blast furnace will use a certain proportion of lump ore.

[0003] But the surface of the lump ore is wet and attached with some fine particles due to operation limitation, and the blast furnace often adheres in the receiving groove in use, which affects its continuous use and troubles the on-site operation. UTILITY MODEL CONTENT

[0004] The utility model aims at the above -mentioned problem and insufficient, proposes an ore groove electric heating device: fixed screw is contacted with heating plate through contact ring after rotating in the threaded hole of center column, and fixed screw pushes heating plate and patch electric couple close to the outer wall of ore groove through contact ring, so that heating plate and patch electric couple are attached with the outer wall of ore groove, convenient to use, guarantee the attachment of heating process, convenient to use, solve the problem that wet influences use and operation.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An ore groove electric heating device, including ore groove, installation groove being set in the outer wall of ore groove both sides and heating structure being installed in the outer wall of ore groove at installation groove, the heating structure includes heat preservation shell, movable pipe being welded at the inner wall of four corners of heat preservation shell at equal distance, sliding rod being connected in the inner wall of movable pipe and sliding, heating plate being installed in the outer wall of another end of sliding rod and patch electric couple being installed in the outer wall of another side of heating plate.

[0007] Preferably, the other end of the sliding rod is welded with a supporting spring, and the other end of the supporting spring is installed in the other end of the inner wall of the movable pipe.

[0008] Preferably, the outer wall edge of the heat preservation shell is welded with a mounting frame, and the outer wall of the mounting frame is provided with equidistantly distributed mounting holes.

[0009] Preferably, the center of the heat preservation shell is welded with a center column, and the center column and the center of the heat preservation shell are provided with threaded holes, and a fixed screw is threadedly connected in the threaded hole;

[0010] According to the scheme, the fixed screw is in contact with the heating plate through the contact ring after rotating in the threaded hole of the center column, the fixed screw pushes the heating plate and the patch electric couple to be close to the outer wall of the ore tank through the contact ring, the heating plate and the patch electric couple are attached to the outer wall of the ore tank, use is facilitated, the attachment in the heating process is guaranteed, and use is facilitated.

[0011] Preferably, one end of the fixed screw is provided with a contact ring, and the other end of the fixed screw is welded with an annular handle, and the other side of the contact ring is in contact with the outer wall of the heating plate.

[0012] Preferably, the installation frame is provided with an induction groove at four ends of one side, and a temperature sensor is arranged in the induction groove.

[0013] According to the scheme, the heating plate and the patch electric couple are used to heat the inside of the ore tank, the lump ore and the coke are dried, the lump ore and the coke can flow smoothly in the ore tank, are not blocked, and the blast furnace can continuously and stably use the lump ore.

[0014] Preferably, the temperature sensor is connected to the signal input end of the controller through a signal line, the heating plate and the patch electric couple are connected to the switch through wires, and the switch is connected to the power supply through wires.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1, fixed screw is in contact with the heating plate through the contact ring after rotating in the threaded hole of the center column, the fixed screw pushes the heating plate and the patch electric couple to be close to the outer wall of the ore tank through the contact ring, the heating plate and the patch electric couple are attached to the outer wall of the ore tank, use is facilitated, the attachment in the heating process is guaranteed, and use is facilitated.

[0017] 2, the heating plate and the patch electric couple are used to heat the inside of the ore tank, the lump ore and the coke are dried, the lump ore and the coke can flow smoothly in the ore tank, are not blocked, and the blast furnace can continuously and stably use the lump ore. ACCURATE DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a kind of sectional structure schematic diagram of ore tank electric heating device;

[0019] Figure 2 The utility model provides a kind of unfolded structure schematic diagram of ore tank electric heating device;

[0020] Figure 3 The utility model provides a kind of one side structure schematic diagram of ore tank electric heating device's heat preservation shell;

[0021] Figure 4 The utility model provides a kind of overall structure schematic diagram of ore tank electric heating device.

[0022] In the figure: 1 ore bin, 2 installation groove, 3 heating structure, 4 heat preservation shell, 5 movable tube, 6 supporting spring, 7 sliding rod, 8 heating plate, 9 patch electric couple, 10 center column, 11 fixed screw rod, 12 contact ring, 13 annular handle, 14 installation frame, 15 installation hole, 16 induction groove, 17 handle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Embodiment 1:

[0025] Referring to Figures 1-4 An ore bin electric heating device, comprising an ore bin 1, installation grooves 2 opened in the outer walls of the ore bin 1 on both sides, and a heating structure 3 installed on the outer wall of the ore bin 1 at the installation grooves 2, the heating structure 3 comprising a heat preservation shell 4, movable tubes 5 welded at the inner walls of the four corners of the heat preservation shell 4 at equal distances, sliding rods 7 slidingly connected to the inner walls of the movable tubes 5, heating plates 8 installed on the outer walls of the other ends of the sliding rods 7, and patch electric couples 9 installed on the outer walls of the other sides of the heating plates 8, the ore bin 1 inside is heated after the heating plates 8 and the patch electric couples 9 are started, and the lump ore and the coke are dried, so that the lump ore and the coke can flow smoothly in the ore bin without blockage, and the blast furnace can continuously and stably use the lump ore.

[0026] The outer wall of the other end of the sliding rod 7 is welded with a supporting spring 6, the other end of the supporting spring 6 is installed on the inner wall of the other end of the movable tube 5, the supporting spring 6 in the movable tube 5 pulls the sliding rod 7 to move in the movable tube 5, so that the heating plate 8 is at the center of the heat preservation shell 4, which is convenient for protecting the heating plate 8 and convenient for use.

[0027] The outer wall edge of the heat preservation shell 4 is welded with an installation frame 14, the outer wall of the installation frame 14 is provided with installation holes 15 distributed at equal distances, the heat preservation shell 4 is installed on the outer wall of the ore bin 1 through the installation frame 14, which is convenient for installation on the outer wall of the ore bin 1, and the heating plate 8 is attached to the outer wall of the ore bin 1 through the contact ring 12 after the fixed screw rod 11 is rotated, which is convenient for heating and protecting the heating plate 8.

[0028] A center column 10 is welded at the center of the heat preservation shell 4, the center column 10 and the center of the heat preservation shell 4 are both provided with threaded holes, and the fixed screw rod 11 is threadedly connected in the threaded holes, the heat preservation shell 4 is made of heat preservation material, the heat generated by the heating plate 8 is transferred in the ore bin 1, the heat preservation shell 4 reduces the rate of heat loss, and it is convenient for heating and heat preservation.

[0029] Embodiment 2:

[0030] Referring to Figures 1-3, one end of the fixed screw rod 11 is provided with a contact ring 12, the other end of the fixed screw rod 11 is welded with an annular handle 13, the other side of the contact ring 12 is in contact with the outer wall of the heating plate 8, the sliding rod 7 stretches the supporting spring 6 through the sliding rod 7 along with the movement of the heating plate 8, so that the heating plate 8 is fully attached to the ore tank 1, which facilitates the heat transfer into the frame tank 1, and facilitates use;

[0031] The installation frame 14 is provided with an induction groove 16 at the four ends of the outer wall of one side, and a temperature sensor is installed in the induction groove 16; the outer wall of one side of the heat preservation shell 4 is welded with a handle 17 at both ends; the temperature sensor in the induction groove 16 of the outer wall of the installation frame 14 detects the temperature in the ore tank 1, and the heating plate 8 is turned off after reaching the temperature, which is convenient for energy saving and automatic starting, and ensures the work efficiency;

[0032] The temperature sensor is connected to the signal input end of the controller through a signal line, and the heating plate 8 and the patch couple 9 are connected to the switch through a wire.

[0033] Working principle: when in use, the heat preservation shell 4 is installed in the installation groove 2 of the outer wall of the ore tank 1 through the installation hole 15 on the installation frame 14, the fixed screw rod 11 is rotated through the annular handle 13, the fixed screw rod 11 is in contact with the heating plate 8 through the contact ring 12 after rotating in the threaded hole of the center column 10, the fixed screw rod 11 pushes the heating plate 8 and the patch couple 9 to approach the outer wall of the ore tank 1 through the contact ring 12, so that the heating plate 8 and the patch couple 9 are attached to the outer wall of the ore tank 1, and the heating plate 8 and the patch couple 9 are started to heat the inside of the ore tank 1, and the lump ore and coke are dried, so that the lump ore and coke can flow smoothly in the receiving tank without blocking, and the blast furnace can continuously and stably use the lump ore, the sliding rod 7 stretches the supporting spring 6 through the sliding rod 7 along with the movement of the heating plate 8, so that the heating plate 8 is fully attached to the ore tank 1, which facilitates the heat transfer into the frame tank 1, and facilitates use.

[0034] The exemplary embodiments of the present application are described in detail in the embodiments, however, those skilled in the art can understand that various modifications and improvements can be made to the above specific embodiments without departing from the concept of the present application, and various combinations of the technical features and structures of the present application can be made without exceeding the protection scope of the present application, and the protection scope of the present application is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present application is not intended to limit the present application to the precise form disclosed, and it is obvious that many changes and modifications can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present application and its practical application, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present application and various different selections and modifications. The scope of the present application is intended to be limited by the claims and their equivalents.

Claims

1. A mine trough electric heating device, comprising a mine trough (1), mounting grooves (2) formed on the outer walls of both sides of the mine trough (1), and a heating structure (3) installed on the outer wall of the mine trough (1) at the mounting grooves (2), characterized in that, The heating structure (3) includes an insulation shell (4), movable tubes (5) welded at equal intervals to the inner walls of the four corners of the insulation shell (4), a sliding rod (7) slidably connected to the inner wall of the movable tube (5), a heating plate (8) installed on the outer wall of the other end of the sliding rod (7), and a patch thermocouple (9) installed on the outer wall of the other side of the heating plate (8).

2. The electric heating device for a mine trough according to claim 1, characterized in that, The other end of the sliding rod (7) is welded with a support spring (6), and the other end of the support spring (6) is installed on the inner wall of the other end of the movable tube (5).

3. The electric heating device for a mine trough according to claim 1, characterized in that, The outer edge of the heat insulation shell (4) is welded with a mounting frame (14), and the outer wall of the mounting frame (14) is provided with mounting holes (15) distributed at equal intervals.

4. The electric heating device for a mine bin according to claim 1, characterized in that, A central column (10) is welded to the center of the insulation shell (4), and threaded holes are opened at the center of both the central column (10) and the insulation shell (4), with a fixing screw (11) threaded into the threaded hole.

5. The electric heating device for a mine trough according to claim 4, characterized in that, A contact ring (12) is installed on the outer wall of one end of the fixing screw (11), and a ring handle (13) is welded to the other end of the fixing screw (11). The outer wall of the other side of the contact ring (12) is in contact with the outer wall of the heating plate (8).

6. The electric heating device for a mine trough according to claim 3, characterized in that, The mounting frame (14) has four induction grooves (16) at the four ends of one side outer wall, and a temperature sensor is installed in the induction groove (16). The heat insulation shell (4) has handles (17) welded to both ends of one side outer wall.

7. The electric heating device for a mine trough according to claim 6, characterized in that, The temperature sensor is connected to the signal input terminal of the controller via a signal line, and the heating plate (8) and the patch thermocouple (9) are connected to the switch via wires, and the switch is connected to the power supply via wires.