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Steel coating device and production method thereof

A coating and steel plate technology, applied in coating, hot-dip coating process, metal material coating process, etc., can solve the problems of increased investment and plant construction, increased production line length, and difficult heating of thick materials, etc., to solve serious pollution , reduce steel consumption, and reduce repetitive construction problems

Inactive Publication Date: 2015-03-25
夏征
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing hot-rolled steel is carried out at high temperature, which inevitably causes oxidation of the steel, so the subsequent processing has to remove the oxides caused by hot rolling through mechanical and pickling methods, and a large amount of waste acid is produced in the process Emissions have caused very serious pollution to the environment. At present, there is no effective alternative to pickling at home and abroad.
[0003] The existing process of on-line coating steel is that after the hot-rolled steel undergoes subsequent pickling and deep processing, it is heated and annealed again on the coating line, and then immersed in the coating tank for coating. This process not only causes environmental pollution, but also consumes energy, especially The heating of thick materials is more difficult and the length of the production line is infinitely increased, which not only increases investment and plant construction, but is also not efficient

Method used

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  • Steel coating device and production method thereof
  • Steel coating device and production method thereof
  • Steel coating device and production method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0041] A coating device includes: a base 1, a molten pool body, a molten basket body, a roller and a guide plate module, a sealing cover body, a roller rotating motor 6, and a transmission 7, and the molten pool body includes: a thermal insulation layer 2, a heating Layer 3, the inner wall of the molten pool 4, the agent discharge valve 5, the outermost layer of the molten pool body is the insulation layer 2, the middle layer is the heating layer 3, the innermost layer is the inner wall of the molten pool 4, and the inner wall of the molten pool 4 is a steel plate The welded structure or the welded structure of the steel plate lined with high-temperature anti-corrosion materials, the outside of the steel plate is coated with high-temperature anti-corrosion paint, the molten pool body is placed above the base 1, the bottom of the molten pool body is provided with a discharge valve 5, and the molten pool body is provided. One side of the pool body is provided with a roller rotati...

Embodiment 2

[0062] An on-line steel coating equipment including a coating device, comprising: a reduction cooling device, a coating device, and a cooling device after coating; along the incoming material direction, the reduction cooling device, the coating device, and the cooling device after coating are sequentially connected;

[0063] The reduction cooling device includes: material guide plate 27, sealing roller module, sealing roller and protective gas injection beam module, idler module, deflector 31, power feeding roller 32, idler roller and reducing gas injection beam module, rapid cooling Device 34, the front end of the reduction cooling device is provided with a guide plate 27, the rear end of the guide plate 27 is provided with a sealing roller module, the rear end of the sealing roller module is provided with a number of sealing rollers and protective gas injection beam modules, and the sealing roller and protective gas injection beam The back end of the module is provided with a...

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Abstract

The invention relates to the field of metallurgical pressure machining and coating, and provides a steel coating device and a production method of the steel coating device. Production of hot-rolled acid-pickling-free steel and coating steel of other varieties such as galvanized steel is achieved. The steel coating device comprises a reduction cooling device, a coating device and an after-coating cooling device. The hot-rolled acid-pickling-free steel with glass films can be produced through the coating device arranged on an outlet of a hot rolling finishing mill. The steel coating device has the advantages that technical feasibility is high, investment is low, and the effect is remarkable; the requirements of various industries are met; coating materials are cheap, easy to obtain and high in renewable utilization value; energy conservation and emission reduction of multiple industries can be promoted, and meanwhile sound development of downstream industries is driven; online and simultaneous production of the acid-pickling-free steel and the coating steel can be achieved on one hot rolling production line.

Description

technical field [0001] The invention belongs to the field of metallurgical pressure processing and coating, and in particular relates to a coating steel equipment and a production method thereof. Background technique [0002] Existing hot-rolled steel is carried out at high temperature, which inevitably causes oxidation of the steel, so the subsequent processing has to remove the oxides caused by hot rolling through mechanical and pickling methods, and a large amount of waste acid is produced in the process Emissions have caused very serious pollution to the environment. At present, there is no effective alternative to pickling at home and abroad. [0003] The existing process of on-line coating steel is that after the hot-rolled steel undergoes subsequent pickling and deep processing, it is heated and annealed again on the coating line, and then immersed in the coating tank for coating. This process not only causes environmental pollution, but also consumes energy, especial...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/00
CPCC23C2/00C23C2/003
Inventor 夏征
Owner 夏征
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