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Method used for meeting requirement on mineral wool production with short process

A short process, mineral wool technology, applied in glass production, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of low investment and difficulty in guaranteeing the quality of slag wool, etc., and achieve improved thermal efficiency, superior quenching and tempering performance, and large loading capacity. Effect

Active Publication Date: 2014-08-06
朱兴发
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Direct injection of blast furnace slag, although the process is simple and the investment is small, but the quality of slag wool is difficult to guarantee

Method used

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  • Method used for meeting requirement on mineral wool production with short process
  • Method used for meeting requirement on mineral wool production with short process
  • Method used for meeting requirement on mineral wool production with short process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for producing mineral wool in a short process, the process comprising:

[0021] 1) Put the blast furnace hot slag directly or transfer hot slag into the electromagnetic induction melting furnace, and the hot slag is loaded into the electromagnetic induction furnace, and the energy saving effect is remarkable. The temperature of the hot slag is 1400 degrees, and it will be cooled to 1100 degrees after being loaded into the melting and tempering hot slag melting furnace; 2) Raise the temperature to 1450 degrees by electromagnetic induction of the melting and tempering hot slag melting furnace; 3) Add quartz stone accounting for 10% of the weight of blast furnace hot slag to 80% of the blast furnace hot slag to heat up to 1450 degrees and add quartz stone The purpose of quenching and tempering is to improve the grade of slag wool and turn blast furnace slag wool into high-quality mineral wool;

[0022] The molten slag that has been tempered and heated to 1450-degr...

Embodiment 2

[0024] A method for producing mineral wool in a short process, the process comprising:

[0025] 1) Put the blast furnace hot slag directly or transfer hot slag into the electromagnetic induction melting furnace, and the hot slag is loaded into the electromagnetic induction furnace, and the energy saving effect is remarkable. The temperature of the hot slag is 1500 degrees, and it will be cooled to 1200 degrees after being loaded into the melting and tempering hot slag melting furnace; 2 ) Heat up to 1550 degrees by electromagnetic induction of melting and tempering hot slag melting furnace; 3) Add quartz stone accounting for 20% of the weight of blast furnace hot slag to 90% of blast furnace hot slag to heat up to 1550 degrees, the purpose of adding quartz stone It is to improve the grade of slag wool by quenching and tempering, and turn blast furnace slag wool into high-quality mineral wool;

[0026] The molten slag that has been tempered and heated to 1550 degrees is filled ...

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Abstract

The invention relates to a production method used for meeting the requirement on mineral wool production with a short process. The production method comprises the following steps of: (1) directly loading blast furnace hot slag into an electromagnetic induction smelting furnace or transferring the blast furnace hot slag into a hot slag ladle trolley and then loading into the electromagnetic induction smelting furnace, wherein the temperature of the hot slag is 1,400-1,500 DEG C and can be reduced to 1,100-1,200 DEG C after the hot slag is loaded into the smelting tempered hot slag smelting furnace; (2) rising the temperature of electromagnetic induction passing through the electromagnetic induction smelting furnace to 1,450-1,550 DEG C; and (3) adding quartz stones which are 10-20 percent of the weight of the blast furnace hot slag to 80-90 percent of the blast furnace hot slag to temper and rise the temperature to 1,450-1,550 DEG C so as to convert blast furnace slag wool into high-quality mineral wool, wherein the electromagnetic induction smelting furnace comprises a furnace nozzle, a tilting oil cylinder, an induction coil, a furnace shell and a furnace frame. The production method has the advantages that the problem of difficult hot blast furnace hot slag temperature rising and tempering is solved, and the heat efficiency of the smelt furnace and the flexibility of short process production are improved; the consumption is reduced by more than 40 percent, and the cost is reduced by 15 percent; and the electromagnetic induction smelting furnace has the characteristics of energy saving, cost reduction, short process, high quality, high efficiency and the like.

Description

technical field [0001] The invention relates to a method for producing mineral wool in a short process. The invention belongs to the technical field of producing mineral wool by an electromagnetic induction slag melting furnace. Background technique [0002] As the main force in the process of industrialization, the iron and steel industry is also facing opportunities and challenges. The process energy consumption of blast furnace ironmaking accounts for 60% of the total energy consumption of the iron and steel industry. Blast furnace slag is a kind of solid waste discharged from blast furnace ironmaking. Its treatment process not only consumes a lot of energy, but also discharges a lot of harmful substances. Therefore, it is necessary to carry out research on the recycling of blast furnace slag, which is an industrial solid waste. The slag discharged during the blast furnace ironmaking process, also known as blast furnace slag, can be divided into steelmaking pig iron sl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B37/00
CPCY02P40/57
Inventor 朱兴发朱卫星黄森根
Owner 朱兴发
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