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Light thermal insulation fire-resistant pouring material by blast furnace slag and preparation process thereof

A technology of refractory castables and blast furnace slag, which is applied in the field of steel blast furnaces, can solve the problems of low economic and social benefits, and achieve huge economic effects

Inactive Publication Date: 2009-02-18
HENAN GENGSHENG REFRACTORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The economic and social benefits generated after reuse are not high

Method used

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  • Light thermal insulation fire-resistant pouring material by blast furnace slag and preparation process thereof

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Experimental program
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Effect test

Embodiment 1

[0022] The invention is prepared by using the following raw materials, including 5 parts of blast furnace slag, 0.1 part of stabilizer, 15 parts of refractory fine powder, 5 parts of binder and 0.1 part of additive in parts by weight.

[0023] The aggregate in the present invention is any one or more of lightweight refractory aggregates among floating beads, clay lightweight aggregates, ceramsite, and hollow balls.

[0024] In the present invention, the binder is one or more of cement, silica fume, activated alumina, water glass, and phosphate;

[0025] The additives in the present invention are phosphates or organic substances.

[0026] The preparation method of the blast furnace slag light-weight thermal insulation refractory castable of the present invention is as follows: using the above-mentioned raw materials in various parts by weight, first drying the blast furnace slag, then mixing with refractory fine powder, binder, stabilizer and additives, and then adding water S...

Embodiment 2

[0029] The invention is prepared by using the following raw materials, including 10 parts of blast furnace slag, 0.3 part of stabilizer, 5 parts of aggregate, 20 parts of refractory fine powder, 10 parts of binder and 0.3 part of additive in parts by weight. Wherein, in the field, blast furnace slag can also be called aggregate, and the term "aggregate" in the present invention mainly refers to other aggregates other than blast furnace slag.

[0030] The aggregate in the present invention is any one or more of lightweight refractory aggregates among floating beads, clay lightweight aggregates, ceramsite, and hollow balls. The binder is one or more of cement, silica fume, activated alumina, water glass and phosphate; the additive is phosphate or organic matter.

[0031] The preparation method in the present invention is as follows: using the above-mentioned raw materials in various parts by weight, first drying the blast furnace slag, then mixing with refractory fine powder, bi...

Embodiment 3

[0034] The invention is prepared by using the following raw materials, including 30 parts of blast furnace slag, 0.5 part of stabilizer, 30 parts of aggregate, 25 parts of refractory fine powder, 15 parts of binder and 0.6 part of additive in parts by weight.

[0035] The aggregate in the present invention is any one or more of lightweight refractory aggregates among floating beads, clay lightweight aggregates, ceramsite, and hollow balls. The binder is one or more of cement, silica fume, activated alumina, water glass and phosphate; the additive is phosphate or organic matter.

[0036] The preparation method in the present invention is as follows: using the above-mentioned raw materials in various parts by weight, first drying the blast furnace slag, then mixing with refractory fine powder, binder, stabilizer and additives, adding water and stirring, forming and curing by vibration, and finally It can be demolded and baked.

[0037] In the drying procedure of the blast furna...

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Abstract

The invention discloses a blast furnace granulated slag light heat preservation refractory casting material and the manufacture method. It is made up from 5-65 portions of blast furnace granulated slag, stabilizer 0.1-1 portion, aggregate 0-60 portions, refractory powder 15-30 portions, binding agent 5-20 portions, and additive 0.1-1 portion. The process including the following steps: taking drying of the blast furnace granulated slag, mixing with refractory powder, binding agent, stabilizer and additive, whisking with water, shocking, molding, and de-mouding. The invention has great economic, environment protection and social benefits.

Description

technical field [0001] The invention relates to a steel blast furnace, in particular to a blast furnace water slag lightweight heat-retaining refractory castable and a preparation method thereof. Background technique [0002] At present, our country has proposed the concept of green manufacturing in the metallurgical industry. In order to achieve this goal, environmental protection should be incorporated into the thinking of system engineering, and the environmental problems existing in the relatively independent unit of metallurgical enterprises should be considered and dealt with in a unified way, so as to truly achieve the goal of metallurgical industry. Ecological production and zero discharge of pollutants. [0003] Since 1996, my country's steel output has ranked first in the world for 9 consecutive years. In 2004, it was 270 million tons, and in 2005 it could reach 330 million tons. It has become a veritable steel power. However, as an industry with high consumption ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66C04B35/622B28B1/08
Inventor 陈瑞金张顺庆张光普张光川程刚周安宏徐德亭胡波
Owner HENAN GENGSHENG REFRACTORIES
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