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Steel ball compound waste heat tempering device

A tempering device and waste heat technology, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve problems such as poor uniformity, multiple limitations, and large loss of steel ball hardness, so as to improve energy utilization and market competitiveness , Improve the effect of metallographic structure

Active Publication Date: 2016-11-02
JIANGYIN HUAZHENG METAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 6. The specific weight is greater than 7.85g / cm3;
[0017] However, it has been found through actual production that the above-mentioned process of producing hot-rolled steel balls also has the following outstanding problems: there are many limitations in the primary tempering process and equipment in step 4, resulting in high energy consumption. The loss of ball hardness is large and the uniformity is poor, so it is urgent to improve

Method used

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  • Steel ball compound waste heat tempering device
  • Steel ball compound waste heat tempering device
  • Steel ball compound waste heat tempering device

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Embodiment Construction

[0041] see Figure 1~5 , a steel ball composite waste heat tempering device related to the present invention, the device includes a double-layer tempering device 1, a steel ball strong convection cooling device 2, a high temperature resistant steel ball lifting conveyor 3 and a waste heat pipe system 4, the There are two high-temperature-resistant steel ball lifting conveyors 3, one is located between the discharge end of the double-layer tempering device 1 and the feed end of the steel ball strong convection cooling device 2, and the other is located between the steel ball strong convection cooling device 2. Between the discharge end of the cooling device 2 and the feed end of the double-layer tempering device 1,

[0042] The double-layer tempering device 1 includes a lower support 1.1 and an upper support 1.2 installed above the lower support 1.1, and the lower support 1.1 and the upper support 1.2 are respectively horizontally installed with a lower chain conveyor belt 1.3 ...

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Abstract

The invention relates to a compound steel ball tempering device by using waste heat, which comprises a double-layer tempering device (1), a steel ball severe-convection cooling device (2), two high-temperature-resistant steel ball lifting conveyors (3) and a waste heat pipe system (4), wherein one high-temperature-resistant steel ball lifting conveyor (3) is positioned between the discharge end of the double-layer tempering device (1) and the feed end of the steel ball severe-convection cooling device (2), the other high-temperature-resistant steel ball lifting conveyor (3) is positioned between the discharge end of the steel ball severe-convection cooling device (2) and the feed end of the double-layer tempering device (1). The compound steel ball tempering device by using the waste heat, provided by the invention, is low in energy consumption and good in tempering effect.

Description

technical field [0001] The invention relates to a tempering process, in particular to a process for tempering and heating hot-rolled steel balls by using the residual heat of high-temperature flue gas generated during early heating, and belongs to the technical field of hot-rolled steel ball production. Background technique [0002] At present, hot-rolled steel ball is a brand-new rolling process technology, which is a technological breakthrough in the ball milling steel ball manufacturing industry, and is gradually replacing cast balls. The hot-rolled steel ball process has the following characteristics: [0003] 1. Hot-rolled steel ball has many advantages of steel. It is rolled and formed by special equipment and then heat-treated to become a high-quality grinding ball; [0004] 2. High production efficiency, large production capacity, mechanized ball rolling production, high degree of automation, no manual production process, less labor force, and less interference from ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/36C21D1/18
Inventor 倪建峰顾建洪顾福仪
Owner JIANGYIN HUAZHENG METAL TECH
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