Novel drying system after passivation for strip steel hot galvanizing aluminum magnesium continuous production line

By introducing a circulating air duct design for the burner furnace body and air box into the continuous production line for hot-dip galvanized aluminum-magnesium strip steel, the problems of uneven heat dissipation and low utilization efficiency of hot air were solved, and rapid drying of the coating on the strip steel surface and energy saving were achieved.

CN224285308UActive Publication Date: 2026-05-26TIANJIN TIANYUAN SHENGXING ENERGY SAVING ENVIRONMENTAL PROTECTION TECH DEV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN TIANYUAN SHENGXING ENERGY SAVING ENVIRONMENTAL PROTECTION TECH DEV
Filing Date
2025-06-24
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing continuous hot-dip galvanized aluminum-magnesium strip production lines, uneven heat dissipation and low utilization efficiency of the drying equipment result in insufficient heating of the strip, affecting the coating drying effect.

Method used

By adopting the design of the burner furnace body and the air box, and through the cooperation of the circulating air duct and the air valve, the hot air can be reheated and the air volume can be precisely controlled, thereby improving the hot air utilization efficiency.

Benefits of technology

It effectively reduces energy consumption, improves the uniformity and utilization efficiency of hot air, and ensures rapid drying of the coating on the strip surface.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a novel drying system after passivation for a strip steel hot galvanizing aluminum magnesium continuous production line, which comprises a combustion engine furnace body and an air bellow, the upper part of the air bellow is connected with a circulating air pipe, the circulating air pipe is connected with the combustion engine furnace body, the combustion engine furnace body is connected with the lower part of the air bellow through a fan, and the lower end of the circulating air pipe is provided with an air valve. And a strip steel outlet is formed in the upper end of the air bellow. And a fresh air inlet is formed in one side of the burner furnace body. According to the utility model, the problems of non-uniform heat dissipation and low utilization efficiency of hot air in the original drying equipment are solved, the air with waste heat is reheated by the burner furnace body, the energy consumption is greatly reduced, and the manual control of the air volume is increased by the air valve.
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Description

Technical Field

[0001] This utility model relates to the technical field of hot-dip galvanized aluminum-magnesium strip steel, and in particular to a new type of passivation drying system for a continuous production line of hot-dip galvanized aluminum-magnesium strip steel. Background Technology

[0002] In modern continuous hot-dip galvanized aluminum-magnesium strip production lines, the strips after roll coating need to be dried as quickly as possible to reduce damage to the surface coating. Therefore, drying equipment is essential. However, existing drying equipment suffers from uneven hot air distribution and low utilization efficiency, resulting in insufficient heating of the strips, which fail to achieve the desired dryness after exiting the equipment. Utility Model Content

[0003] This utility model aims to address the shortcomings of existing technologies by providing a novel passivation drying system for a continuous hot-dip galvanized aluminum-magnesium strip production line.

[0004] To achieve the above objectives, this utility model adopts the following technical solution:

[0005] A new type of hot-dip galvanized aluminum-magnesium strip continuous production line uses a passivation drying system, which includes a burner furnace body and a wind box. The upper part of the wind box is connected to a circulating air duct, which is connected to the burner furnace body. The burner furnace body is connected to the lower part of the wind box via a fan, and an air valve is provided at the lower end of the circulating air duct.

[0006] The bellows has a steel strip inlet at the bottom and a steel strip outlet at the top.

[0007] A fresh air inlet is located on one side of the burner furnace body.

[0008] The beneficial effects of this utility model are: This utility model solves the problems of uneven heat dissipation and low utilization efficiency of hot air in the original drying equipment. The air with residual heat is reheated by the burner furnace body, which greatly reduces energy consumption. The air valve increases the human control of the air volume. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the structure of this utility model;

[0010] In the diagram: 1-burner furnace body; 2-fan; 3-air box; 4-circulating air duct; 5-air valve; 6-fresh air inlet; 7-furnace body support;

[0011] The following will describe in detail the embodiments of this utility model with reference to the accompanying drawings. Detailed Implementation

[0012] The principles and features of this utility model are described below with reference to the accompanying drawings. The embodiments described are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0013] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0014] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] A new type of hot-dip galvanized aluminum-magnesium strip continuous production line uses a passivation drying system, such as... Figure 1 As shown, it includes a burner furnace body 1, a blower 2, an air box 3, a circulating air duct 4, an air valve 5, a fresh air inlet 6, and a furnace body support 7.

[0017] The upper part of the air box 3 is connected to the circulating air duct 4, which is connected to the burner furnace body 1. The burner furnace body 1 is connected to the lower part of the air box 3 through the fan 2. The lower end of the circulating air duct 4 is equipped with an air valve 5.

[0018] The bellows 3 has a steel strip inlet at the lower end and a steel strip outlet at the upper end.

[0019] The air outlet of the burner furnace body 1 is connected to the lower end of the side wall of the air box 3 near the strip steel inlet.

[0020] The inlet of the circulating air duct 4 is connected to the lower end of the side wall of the air box 3 near the outlet of the strip steel.

[0021] A fresh air inlet 6 is provided on one side of the burner furnace body 1.

[0022] The bottom of the burner furnace body 1 is equipped with a furnace body support 7.

[0023] This utility model shifts the air outlet of the burner furnace body 1 toward the strip steel inlet of the air box 3, adds a circulating air duct 4 at the strip steel outlet of the air box 3 to guide air to the air inlet of the burner furnace body 1, and adds an air valve 5 to the circulating air duct 4.

[0024] This invention solves the problems of uneven heat dissipation and low utilization efficiency of hot air in the original drying equipment. It reheats the air with residual heat through the burner furnace body 1, which greatly reduces energy consumption. The air valve 5 increases the human control over the air volume.

[0025] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or direct application to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A passivation and drying system for a new type of hot-dip galvanized aluminum-magnesium strip continuous production line, characterized in that, It includes a burner furnace body (1) and a wind box (3). The upper part of the wind box (3) is connected to a circulating air pipe (4), which is connected to the burner furnace body (1). The burner furnace body (1) is connected to the lower part of the wind box (3) through a fan (2). The lower end of the circulating air pipe (4) is equipped with an air valve (5).

2. The passivation drying system for a novel hot-dip galvanized aluminum-magnesium strip continuous production line according to claim 1, characterized in that, The bellows (3) has a steel strip inlet at the lower end and a steel strip outlet at the upper end.

3. The passivation and drying system for a novel hot-dip galvanized aluminum-magnesium strip continuous production line according to claim 2, characterized in that, The air outlet of the burner furnace body (1) is connected to the lower end of the side wall of the air box (3) near the strip steel inlet.

4. The passivation drying system for a novel hot-dip galvanized aluminum-magnesium strip continuous production line according to claim 3, characterized in that, The inlet of the circulating air duct (4) is connected to the lower end of the side wall of the air box (3) near the outlet of the strip steel.

5. The passivation drying system for a novel hot-dip galvanized aluminum-magnesium strip continuous production line according to claim 4, characterized in that, A fresh air inlet (6) is provided on one side of the burner furnace body (1).

6. The passivation drying system for a novel hot-dip galvanized aluminum-magnesium strip continuous production line according to claim 5, characterized in that, The burner furnace body (1) is equipped with a furnace body support (7) at the bottom.