Equipment for preparing mineral wool and preparation method thereof

Abstract

The invention belongs to the technical field of mineral wool preparation, and particularly relates to equipment for preparing mineral wool and a preparation method thereof. The equipment comprises a feeding device, wherein a material dispersing device is arranged below the feeding device, a plurality of heating furnaces are arranged under the material dispersing device, the heating furnaces are connected with a homogenized speed control furnace through pipelines, and the homogenized speed control furnace is connected with a centrifuge. The equipment for preparing the mineral wool adopts stoneor slag as raw materials, solid materials are dispersed into the furnace bodies through the material dispersing device, the materials are widely dispersed in the furnace bodies, and the quick melt ofthe solid materials is convenient; the homogenized speed control furnace is arranged between the heating furnaces and the centrifuge, so that it is ensured that liquid materials intermittently flowingout from the heating furnaces are buffered and can be supplied at a constant speed after homogeneity and heat preservation are carried out according to the requirement of the centrifuge, the heatingefficiency of the whole equipment is high, the arrangement of the process is reasonable, the production efficiency and quality of the mineral wool are greatly improved, and the mineral wool has bettermarket value.

Description

Technical field [0001] The invention belongs to the technical field of rock wool preparation, in particular to a device for preparing rock wool and a preparation method thereof. Background technique [0002] With the development of industrial technology, the aerospace industry, missile technology, etc. develop rapidly. The development of aerospace industry requires materials with the characteristics of high temperature resistance, harsh environment resistance, and oxidation resistance, ceramic materials, carbon fiber materials, and composite materials. The special properties of high temperature and oxidation resistance have been applied more and more, and these properties are very suitable for spacecraft and high-speed missiles. If ceramic materials, carbon fiber materials, and composite materials are to be applied, the first thing to do is to solve the material testing equipment and methods. problem. [0003] In traditional rock wool (or mineral wool) production, the raw material...

AI Technical Summary

Problems solved by technology

[0006] The use of electric arc furnaces to produce rock wool or mineral wool mainly has the following problems. First, the electric arc furnace uses graphite electrodes or molybdenum electrodes, which belong to the low-voltage and high-current design category. It needs 4000KW, the heat loss of the transformer is large, the electrodes need cold water electrodes, the heat loss is relatively large, and the cost of graphite electrodes or molybdenum electrodes is relatively high; secondly, the electrodes of the electric arc furnace must be inserted into the liquid slag, and the electrodes can only be installed in the molten pool Around or on the upper part of the molten pool, if the electrodes are installed on the upper part of the molten pool, it cannot be stirred, and the fluidity of the melt in the furnace will also be affected. If the electrodes are installed around the molten pool, the melt in the middle of the molten pool will be heated unevenly , which is not conducive to tempering in the process; the third heating process is intermittent, while the preparation of rock wool by centrifuge is continuous, which requires a speed-adjusting furnace

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