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Cooling liquid distribution type scrap steel distribution port and manufacturing method thereof

A coolant and steel scrap technology, applied in the manufacture of converters, etc., can solve the problems of short life and poor performance, and achieve the effects of prolonging life, maintaining wear resistance and impact resistance, and high strength and hardness

Pending Publication Date: 2021-04-30
TANGSHAN SANCHUAN STEEL MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned batching port is integrally cast, and the performance in all aspects is still relatively poor, and the service life is still short

Method used

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  • Cooling liquid distribution type scrap steel distribution port and manufacturing method thereof
  • Cooling liquid distribution type scrap steel distribution port and manufacturing method thereof
  • Cooling liquid distribution type scrap steel distribution port and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1 Coolant distribution type scrap steel batching port

[0044] This example Figure 1 to Figure 6 As shown, it is a cooling liquid distribution type scrap steel batching port, which includes a cylinder body 1, which is an inclined hollow cylindrical structure with upper and lower openings fixed on the converter vaporization cooling flue. In this embodiment, the cross section of the cylinder body 1 is circular, and the cylinder body 1 is arranged on the side wall of the vaporization cooling flue and communicates with the vaporization cooling flue. Since the cylinder body 1 is the channel through which steel scrap enters the converter, there are high requirements for the wear resistance and impact resistance of the cylinder body 1 .

[0045] Since the cylinder 1 is a hollow structure, the cylinder 1 has a cylinder wall. In order to improve the wear resistance and impact resistance of the cylinder 1, the cylinder wall is set into a multi-layer structure: as figu...

Embodiment 2

[0054] Example 2 Manufacturing method of cooling liquid distribution type scrap steel batching port

[0055] This embodiment is a manufacturing method of a cooling liquid distribution type scrap steel batching port, which is used to make the cooling liquid distribution type scrap steel batching port in Example 1. The manufacturing method of the coolant distribution type scrap steel batching port in this embodiment comprises the following steps carried out in sequence:

[0056] Make the cooling circulation layer: get the low-temperature cooling layer 4 or the outer wall 15 of the cylinder, and set the first dividing plate 17 and the second dividing plate 18 in a welding manner on the outer wall of the low-temperature cooling layer 4 or the inner wall of the outer wall 15 of the cylinder. The circulation pipe 19 is set on the first dividing plate 17 by welding after punching, and the water return port 20 is formed by punching. According to the setting positions of the first divi...

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Abstract

The invention discloses a cooling liquid distribution type scrap steel distribution port, and belongs to the field of metallurgical equipment. A cylinder wall comprises a temperature-resistant layer, an impact-resistant layer, a low-temperature cooling layer and a cooling circulation layer which are sequentially arranged from inside to outside. The invention further discloses a manufacturing method of the cooling liquid distribution type scrap steel distribution port. According to the manufacturing method, the temperature-resistant layer and the cooling circulation layer are taken, the ends of the temperature-resistant layer and the cooling circulation layer are connected and sealed through a lower sealing plate, the ends of the cooling circulation layer are connected and sealed through an upper sealing plate, a cavity is formed, a cooling circulation channel is formed in the cooling circulation layer, and an impact-resistant layer material is poured between the temperature-resistant layer and the low-temperature cooling layer to form the cylinder wall. According to the distribution port, the cooling circulation channel is arranged to cool a cylinder of the distribution port, so that the thermal stress of the cylinder is reduced; the multi-layer arrangement structure is adopted to lower the thermal conductivity and prolong the service life of the cylinder; and the material is simple and easy to obtain, the cost is low, the production efficiency is improved, and the distribution port is suitable for adding all hard materials.

Description

technical field [0001] The invention belongs to the field of metallurgical equipment, and relates to metallurgical equipment and a manufacturing method thereof, in particular to a coolant distribution type scrap steel batching port and a manufacturing method thereof. Background technique [0002] Converter steelmaking uses molten iron, scrap steel, and ferroalloy as the main raw materials. The steelmaking process is completed in the converter by the physical heat of the molten iron itself and the heat generated by the chemical reaction between the components of the molten iron without the aid of external energy. At present, in order to reduce the amount of molten iron and reduce costs, iron factories will increase the proportion of scrap steel. [0003] In order to add steel scrap more efficiently, in the related art, the steel scrap is added through the batching port at the vaporization cooling flue of the converter. The batching port is a tubular opening connected to the ...

Claims

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Application Information

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IPC IPC(8): C21C5/46B22D19/02
CPCC21C5/466C21C5/4646B22D19/02
Inventor 刘洪波孟建龙李超翟智阳耿京陈华柯岩李国艳
Owner TANGSHAN SANCHUAN STEEL MACHINERY MFG
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