Furnace pipe of roasting furnace

By setting a raised heat exchange structure on the inner wall of the calcining furnace and a reinforcing structure on the outer wall, the problem of insufficient contact area between the inner wall of the furnace and the molding sand is solved, achieving more efficient heating and structural reinforcement.

CN223610580UActive Publication Date: 2025-11-28QINGTIAN COUNTY BEIKE SPECIAL NEW MATERIALS RESEARCH INSTITUTE
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Patent Information

Application Number
CN202423231254.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-28
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The limited contact area between the inner wall of the furnace shell and the molding sand in existing horizontal calcining furnaces results in low heating efficiency.

Method used

The furnace liner is equipped with raised heat exchange structures on the inner wall and reinforced structures on the outer wall to increase the surface area of ​​the furnace liner and improve heat exchange efficiency. The furnace liner body is manufactured by an integrated casting process.

Benefits of technology

By increasing the contact area between the inner wall of the furnace and the material, the heating efficiency of the roasting furnace is improved, and the structural strength of the furnace is enhanced.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223610580U_ABST
Patent Text Reader

Abstract

The utility model discloses a roasting furnace pipe which comprises a furnace pipe body, a roasting chamber is arranged in the furnace pipe body, the inner wall of the furnace pipe body is provided with a protruding needle-column-shaped or prism-shaped or sheet-shaped heat exchange structure, the outer wall of the furnace pipe body is provided with a protruding reinforcing structure, one side of the furnace pipe body is provided with a feeding port, and the other side of the furnace pipe body is provided with a discharging port. The heat exchange structure is arranged on the inner wall of the furnace pipe of the roasting furnace, so that the surface area of the inner wall of the furnace pipe is increased, the furnace pipe is in full contact with materials, and the heat exchange efficiency is improved; a reinforcing structure is arranged on the outer wall of the furnace pipe, the structural strength of the furnace pipe is enhanced, the outer wall surface area of the furnace pipe is increased, and heat transfer efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roasting furnace, in particular to the technical field of roasting furnace bosh. BACKGROUND

[0002] The roasting furnace is important equipment for old sand regeneration, and the roasting furnace includes a horizontal roasting furnace and a vertical roasting furnace, wherein the horizontal roasting furnace is more widely applied in the industrial field.

[0003] The roasting regeneration furnace has limited contact area between the inner wall of the bosh and the sand when heating the sand, cannot quickly complete heat exchange with the sand, makes the sand temperature rise, and results in low heating efficiency. SUMMARY

[0004] The utility model discloses a roasting furnace bosh can solve the above problems.

[0005] To realize above-mentioned purpose, the utility model provides a kind of roasting furnace bosh, including furnace bosh main part, roasting chamber is equipped in the furnace bosh main part, the inner wall of the furnace bosh main part is equipped with the heat exchange structure of protruding, the outer wall of the furnace bosh main part is equipped with the reinforcing structure of protruding, one side of the furnace bosh main part is equipped with feed inlet, another side of the furnace bosh main part is equipped with discharge port, and the feed inlet and discharge port are all connected with roasting chamber.

[0006] As preferred, the heat exchange structure and reinforcing structure are integrally formed with the furnace bosh main part.

[0007] As preferred, one end of the roasting chamber is rotatably installed with a feed sealing plate, the other end of the roasting chamber is rotatably installed with a discharge sealing plate, the upper side of the feed sealing plate is provided with a feed inlet, and the lower side of the discharge sealing plate is provided with a discharge port.

[0008] As preferred, the reinforcing structure is sheet-shaped.

[0009] As preferred, the heat exchange structure is prismatic or needle columnar or sheet-shaped.

[0010] As preferred, the inner wall of the furnace bosh main part is provided with helical blades.

[0011] The utility model has the advantages that the utility model sets up heat exchange structure on the inner wall of roasting furnace bosh, increases the surface area of the inner wall of bosh, makes bosh and material contact fully, improves heat exchange efficiency, the outer wall of bosh is provided with reinforcing structure, strengthens bosh structure strength, and increases the surface area of the outer wall of bosh, improves heat transfer efficiency.

[0012] The features and advantages of the utility model will be described in detail with reference to the embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the heat exchange structure of this utility model.

[0015] In the diagram: 1. Furnace body; 2. Calcination chamber; 3. Heat exchange structure; 4. Reinforcing structure; 5. Feed sealing plate; 6. Discharge sealing plate; 7. Feed inlet; 8. Discharge outlet. Detailed Implementation

[0016] See Figure 1 , Figure 2 The furnace liner of a roasting furnace includes a furnace liner body 1, within which a roasting chamber 2 is located. The inner wall of the furnace liner body 1 has raised needle-like, prismatic, or plate-like heat exchange structures 3, and the outer wall of the furnace liner body 1 has raised reinforcing structures 4. One side of the furnace liner body 1 has a feed inlet 7, and the other side has a discharge outlet 8. Both the feed inlet 7 and the discharge outlet 8 are connected to the roasting chamber 2. The heat exchange structures 3 and the reinforcing structures 4 are integrally formed with the furnace liner body 1. The furnace liner is manufactured using an integrated casting process. The furnace liner material is heat-resistant cast iron or heat-resistant... Steel; a feed sealing plate 5 is installed at one end of the roasting chamber 2, and a discharge sealing plate 6 is installed at the other end of the roasting chamber 2. A feed inlet 7 is opened on the upper side of the feed sealing plate 5, and a discharge outlet 8 is opened on the lower side of the discharge sealing plate 6; the reinforcing structure 4 is strip-shaped or sheet-shaped, which enhances the furnace structure and increases the outer wall surface area, thereby improving the heating efficiency of the furnace; the heat exchange structure 3 is prismatic, needle-shaped, or sheet-shaped, which allows the furnace to fully contact the material and improves the heat exchange efficiency; the inner wall of the furnace body 1 is provided with spiral blades, and when the furnace rotates, the material automatically moves from the feed side to the discharge side.

[0017] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A baking furnace muffle, characterized by: The utility model relates to a roasting furnace, which comprises a furnace body (1) provided with a roasting chamber (2) inside, a convex heat exchange structure (3) on the inner wall of the furnace body (1), a convex reinforcing structure (4) on the outer wall of the furnace body (1), a feeding port (7) on one side of the furnace body (1), and a discharging port (8) on the other side of the furnace body (1), wherein the feeding port (7) and the discharging port (8) are connected with the roasting chamber (2).

2. The calciner basket of claim 1, wherein: The heat exchange structure (3) and the reinforcing structure (4) are integrally formed with the furnace body (1).

3. The calciner basket of claim 1, wherein: One end of the roasting chamber (2) is rotatably provided with a feeding sealing plate (5), and the other end of the roasting chamber (2) is rotatably provided with a discharging sealing plate (6), wherein the feeding sealing plate (5) is provided with the feeding port (7) on the upper side, and the discharging sealing plate (6) is provided with the discharging port (8) on the lower side.

4. The calciner basket of claim 1, wherein: The reinforcing structure (4) is in the shape of a strip or a sheet.

5. The calciner basket of claim 1, wherein: The heat exchange structure (3) is in the shape of a convex prism, a needle column or a sheet.

6. The calciner basket of claim 1, wherein: The inner wall of the furnace body (1) is provided with spiral blades.