Material tank device for loading and unloading raw materials

By using the gravity-sealed closure and fan-cleaning design of the material tank device, the problems of leakage and adhesion during the unloading process of powder storage tanks in electric arc furnace equipment are solved, achieving smooth unloading and cleaning of the tank walls.

CN223891630UActive Publication Date: 2026-02-10JIANGSU DECHENG SINCERE METALLURGICAL ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202323106916.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-11-17
Publication Date
2026-02-10
Estimated Expiration
2033-11-17

AI Technical Summary

Technical Problem

Existing electric arc furnace equipment has problems with powder storage tanks during unloading, such as poor sealing leading to leakage and powder adhering to the tank wall, resulting in obstructed material discharge.

Method used

A material tank device was designed, which uses the weight of the material tank itself to make the sealing cone contact and close with the bottom of the cone. Combined with a small fan and frequency converter, the powder can be smoothly discharged, and the powder adhering inside the tank can be cleaned by the blower.

Benefits of technology

It achieves leak-free unloading of powder and clean tank walls, ensuring a smooth unloading process and clean equipment, and reducing the risk of powder pollution to the environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

A material tank device for loading and unloading raw materials is mainly used for loading and unloading powder of submerged arc furnace equipment, a main body is a material tank with an upper cylinder part connected with a bottom cone bottom, a pair of lifting lugs is arranged on the outer edge of the top of the cylinder part, a horizontal supporting flange ring is arranged on the outer wall of the center of the cylinder part, and a group of supporting flanges with downward supporting surfaces are arranged on the ring. A top cover is arranged at the top end of the barrel body part, a hollow gas ring tightly attached to the inner wall of the charging bucket is arranged below the top cover, a small fan is arranged on the hollow gas ring, a group of blowing holes with downward openings are formed in the ring, a hollow guide rod is arranged on the top cover and extends to the upper part of the conical bottom part, and a hanging head is arranged above the top cover. A pair of chains are connected to the lifting lugs; the center of the bottom of the hanging head is connected with a vertical pull rod, the pull rod directly penetrates into a hollow area in the guide rod and extends to the bottom to be connected with a sealing frustum, and the sealing frustum and an inverted cone connector at the bottom end of the cone bottom are mutually closed to seal the bottom of the material tank. The device has the characteristics of simple structure and convenience in discharging.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a material tank device mainly used for powder loading and unloading of the mineral heat furnace equipment. BACKGROUND

[0002] The mineral heat furnace is a high-temperature equipment for smelting metal, and the storage tank for the mineral powder added into the interior generally adopts a conical bottom cylindrical barrel, and the raw material is unloaded from the bottom into the mineral heat furnace. In the daily operation process, it is found that the sealing of the discharge port is not tight, and the fine powder adheres to the inner wall of the tank, causing poor discharging. If the structure of the material tank is improved, it is the problem concerned by many manufacturers at present.

[0003] The existing patent (application number: CN201720213456.5) discloses a kind of powder removing devices of storage tank, and storage tank includes tank body and the cover body being set on tank body, and conical cylinder type powder removing bag is set between tank body and cover body, the bottom of conical cylinder type powder removing bag is provided with annular opening, annular opening is provided with nylon zipper, conical cylinder type powder removing bag includes inner bag body being connected with tank body, and outer bag body being connected with cover body, the upper end of inner bag body is provided with elastic band wrapping tank body outer wall, the upper end of outer bag body is provided with elastic band wrapping cover body outer wall, a plurality of sharp hooks are arranged on elastic band, a plurality of through holes are provided on tank body and cover body and pass through sharp hook, rubber check ring is arranged in through hole, solve the technical problem that powder can be scattered along the gap between storage tank and storage tank cover in traditional production process, pollute production environment. It is difficult to solve the problem that powder adheres to tank wall in the conical cylinder type storage tank with bag body. SUMMARY

[0004] The utility model aims at the deficiency of prior art device, provide a kind of raw material loading and unloading material tank device with simple structure, convenient unloading.

[0005] Specifically, a kind of raw material loading and unloading material tank device, main body is the material tank of upper cylinder part connection bottom conical bottom, the outer edge of cylinder part top is equipped with a pair of lifting lugs, the outer wall of cylinder part central is equipped with a horizontal support flange ring, and a group of support flanges facing down are arranged on the ring, the top end of cylinder part is top cover, and a hollow air ring is installed below top cover and closely attached to the inner wall of material tank 1, a small fan is installed on the hollow air ring, and a group of air blowing holes with downward opening are arranged on the ring, a hollow guide rod is installed on top cover, and the guide rod extends to the top of conical bottom, a lifting head is arranged above top cover, and is connected to lifting lug by a pair of chains;The bottom center of lifting head is connected with a vertical pull rod, and the pull rod is directly inserted into the hollow area of guide rod and extends to the bottom and is connected with sealing cone platform, and the reverse taper interface of the bottom end of sealing cone platform and conical bottom is mutually closed to seal the bottom of material tank.

[0006] The device is charged by placing the tank in a pit, the tank body is closed by the gravity of the tank body, the sealing cone and the reverse cone interface are in contact, and the top of the tank starts to feed; when discharging, only the hook of the crane is hooked on the lifting head, the lifting head is run to the discharging point, the square flange ring is squared on the support, the lifting head is slowly released, the pull rod falls, the sealing cone and the reverse cone interface in the tank fall into the raw material bin with the opening of the sealing cone, and the small fan is opened to remove the fine powder adhered to the wall of the tank.

[0007] Further, the surface of the reverse cone interface is provided with a tapered rubber sealing layer.

[0008] Further, the surface of the sealing cone is provided with a rubber sealing layer.

[0009] Further, the small fan is provided with a frequency conversion device, which can adjust and control the air volume.

[0010] Further, the top cover is provided with an inlet for loading the mineral powder.

[0011] The beneficial effects of the utility model are:

[0012] 1. The lower sealing cone of the tank body is in contact with the bottom of the tank to be closed by the gravity of the tank body, so that the opening and closing of the valve device can be reduced, and the powder is not leaked.

[0013] 2. The air blowing device is arranged in the tank to blow and wash the powder adhered in the tank to ensure that the pipe wall is not scaled. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model is a structural schematic view.

[0015] In the figure: 1 tank, 1-1 cylinder part, 1-2 conical bottom, 1-3 top cover, 1-4 lifting lug, 2 supporting flange ring, 3 supporting flange, 4 small fan, 4-1 air blowing hole, 4-2 hollow air ring, 5 lifting head, 6 chain, 7 guide rod, 8 pull rod, 9 sealing cone, 9-1 rubber sealing layer, 10 reverse cone interface, 10-1 tapered rubber sealing layer, DETAILED DESCRIPTION Example 1

[0016] As Figure 1As shown, a raw material handling tank device, the main body is the upper cylinder part 1-1 connecting the bottom cone bottom part 1-2 tank 1, the cylinder part 1-2 top outer edge is equipped with a pair of lifting lug 1-4, the cylinder part central outer wall is equipped with a horizontal support flange ring 2, the ring has a set of support flange 3 facing down, the cylinder part 1-1 top end is the top cover 1-3, the top cover 1-3 is provided with a feed inlet for loading ore powder, the top cover 1-3 below is installed a hollow air ring 4-2 close to the inner wall of the tank 1, the hollow air ring 4-2 is installed with a small fan 4, the small fan 4 is provided with a frequency conversion device, which can control the blast volume; the hollow air ring 4-2 has a group of downward opening blowing holes 4-1, the top cover 1-3 is installed with a hollow guide rod 7, the guide rod 7 extends to the top of the cone bottom part 1-1, the top cover 1-3 has a lifting head 5, which is connected to the lifting lug 1-4 through a pair of chains 6; the lifting head 5 bottom center is connected with a vertical pull rod 8, the pull rod 8 penetrates into the hollow area of the guide rod 7 and extends to the bottom of the connecting sealing cone 9, the sealing cone 9 surface is provided with a rubber sealing layer 9-1; the sealing cone 9 and the inverted cone interface 10 at the bottom end of the cone bottom part 1-2 are mutually closed to seal the bottom of the tank 1, the surface of the inverted cone interface 10 is provided with a tapered rubber sealing layer 10-1.

[0017] When loading the material, the tank 1 is placed in the pit, the tank body is closed due to the contact of the sealing cone 9 and the inverted cone interface 10 under the gravity, and the top of the tank 1 starts to load; when unloading, only the crane hook is hooked to the lifting head 5, the lifting head 5 is run to the unloading point, the support flange ring 6 is square on the support, the lifting head 5 is slowly released, the pull rod 8 falls, the sealing cone 9 and the inverted cone interface 10 in the tank fall into the raw material bin when the sealing cone is opened, and the small fan 4 is opened to blow the small powder adhered to the wall of the tank 1.

Claims

1. A material loading and unloading tank device, comprising an upper cylindrical section connected to a bottom conical tank, wherein a pair of lifting lugs are mounted on the outer edge of the top of the cylindrical section, and a horizontal support flange ring is mounted on the outer wall of the center of the cylindrical section, with a set of downward-facing support flanges on the ring, characterized in that: The top of the cylinder is a top cover. A hollow air ring that fits tightly against the inner wall of the tank is installed below the top cover. A small blower is installed on the hollow air ring. There is a set of downward-facing air holes on the ring. A hollow guide rod is installed on the top cover. The guide rod extends all the way to the bottom of the cone. There is a lifting head on the top cover, which is connected to the lifting lug by a pair of chains. A vertical pull rod is connected to the center of the bottom of the lifting head. The pull rod goes straight into the hollow area inside the guide rod and extends all the way to the bottom to connect to the sealing cone. The sealing cone and the inverted cone interface at the bottom of the cone meet each other to seal the bottom of the tank.

2. The raw material loading and unloading tank device according to claim 1, characterized in that: The inverted conical interface surface is provided with a conical rubber sealing layer.

3. The raw material loading and unloading tank device according to claim 1, characterized in that: The surface of the sealing cone is provided with a rubber sealing layer.

4. The raw material loading and unloading tank device according to claim 1, characterized in that: The small fan is equipped with a frequency converter.

5. The raw material loading and unloading tank device according to claim 1, characterized in that: The top cover has a feed inlet.

Citation Information

Patent Citations

  • Storage tank removes powder device

    CN206654390U