Manufacturing method for water cooled walls

A manufacturing method and water-cooled wall technology, applied in metal processing equipment and other directions, can solve the problems of difficult processing, non-dense casting structure, long production cycle, etc., and achieve the effect of reducing cutting allowance, avoiding casting defects, and reducing manufacturing costs.

Inactive Publication Date: 2012-06-27
YANTAI WANLONG VACUUM METALLURGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former molding casting often has a large number of casting defects, such as pores, trachoma, cold shut, etc., and the casting structure is not dense, the strength is low, and casting allowances need to be reserved; the latter is processed with copper plates, and the machining cutting volume is large. Especially for the part of the inner groove, the production cycle is long, the processing is difficult, and the cost is high

Method used

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  • Manufacturing method for water cooled walls
  • Manufacturing method for water cooled walls
  • Manufacturing method for water cooled walls

Examples

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Effect test

Embodiment 1

[0025] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples cited are only used to explain the present invention, not to limit the scope of the present invention.

[0026] Such as Figure 1 to Figure 5 As shown, a method for manufacturing a water wall is characterized by including the following steps:

[0027] Step A: Melting and casting ingots: First, after melting the electrolytic copper, use a metal mold to cast into ingot 2. The weight of ingot 2 is calculated according to the finished size of the cooling stave, and the weight is usually 2-3 tons.

[0028] Step B: Forging the copper plate blank: Heat the ingot 2 produced in step A to 900℃±10℃, and use the forging plate anvil 1 to forge the blank and forge it into a copper plate blank 3 with a thickness of 95mm .

[0029] Step C: Forging groove: After heating the copper plate blank 3 produced in step B to 900℃±10℃ again, on the forging press equipped...

Embodiment 2

[0034] The copper plate blank 3 obtained according to steps A and B in Example 1 is then heated to 900°C±10°C, and the nozzle mounting hole 10 is punched with a forging press, and the nozzle mounting holes 10 are then processed according to C, D, and E in Example 1. , F proceed to obtain the finished water wall.

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Abstract

The invention relates to the technical field of water cooled walls for coal gasifiers and ironmaking blast furnaces in the metal and chemical industries, and particularly discloses a manufacturing method for water cooled walls, which includes the following six steps: casting a cast ingot, forging copper plate blank, forging a groove, processing a cooling channel, bending and forming and obtaining a finished product. The master operation is to utilize a forging press to forge and press the pure copper cast ingot into a copper plate with a groove, to drill holes and process the cooling channel, to utilize an arc-shaped forging and pressing mould for bending and forming and to obtain a finished product after finishing treatment by machining. The manufacturing method for water cooled walls avoids casting defects of casting water cooled walls, also greatly reduces chipping allowance for processing water cooled walls with a copper plate directly, and enables the performance of water cooled waters to be greatly improved and manufacturing cost to be greatly lowered.

Description

Technical field [0001] The invention relates to the technical field of water-cooled walls for coal gasifiers and iron-making blast furnaces in the metallurgical and chemical industries, in particular to a method for manufacturing water-cooled walls. Background technique [0002] Water walls are the main components used in gas generators and iron-making blast furnaces, and their working environment is harsh, and they need to withstand high temperature and pressure and corrosion by molten slag. It is commonly used in the shape of an arc-shaped plate, with cooling water channels inside, and many groove-shaped structures on the inside, which are used to hang the slag protective layer to protect the water wall. The cooling stave technology is mainly "resisting slag with slag". A large amount of slag is easily generated in the gasification process or in the blast furnace. The thermal conductivity of the slag is very low and adheres to the water wall, which not only protects the water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B21J5/00
Inventor 王肇飞李秀梅卢建华刘力维姚志强
Owner YANTAI WANLONG VACUUM METALLURGY
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