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Temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag

A blast furnace slag and process method technology, which is applied in the fields of metallurgy and inorganic non-metallic materials, can solve the problems of inability to set the temperature of the casting box, the influence of the internal crystallization of the cast stone, etc., so as to reduce pollution and excessive consumption of resources and improve the economy. Profit, overcoming the effect that heat cannot be recovered

Active Publication Date: 2014-02-26
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above disclosed patents show that the traditional cast stone industry still uses basalt-based traditional stone for casting production, and molten slag has been used as a raw material for the production of restored stone. For the casting production process, the traditional casting method is not very good. The temperature control of the casting box is set, so it has a great influence on the internal crystallization of the produced cast stone

Method used

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  • Temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag
  • Temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag
  • Temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The blast furnace slag provided by the present embodiment produces cast stone and comprises the following steps:

[0056] (1) The 1500°C molten slag flowing out of the blast furnace is transferred to the composition quenching and tempering stirring pool through the iron mixing furnace for heating and heat preservation;

[0057] (2) Add the component modifier quartz sand into the component quenching and tempering stirring tank, blow inert gas and coal powder from the top and bottom to mix the components evenly, and keep warm at 1450-1500°C for 1-2 hours;

[0058] (3) The molten slag flows into the mold for molding treatment, and the heating gas is introduced to keep the mold at 1000°C for 2 hours before demoulding;

[0059] (4) Spray glaze on the cast stone blank after demoulding, and the glazed product is gradually cooled to room temperature by spraying cooling gas in the incubator;

[0060] (5) Grinding and polishing the cast stone cooled to room temperature to obtain...

Embodiment 2

[0063] The blast furnace slag provided by the present embodiment produces cast stone and comprises the following steps:

[0064] (1) The 1500°C molten slag flowing out of the blast furnace is transferred to the composition quenching and tempering stirring pool through the iron mixing furnace for heating and heat preservation;

[0065] (2) Add the component modifier quartz sand and the colorant iron oxide red into the component quenching and tempering stirring tank, blow inert gas and coal powder from the top and bottom to mix the components evenly, and keep warm at 1450-1500°C for 1-2 Hour;

[0066] (3) Flow the molten slag into the mold for molding treatment, and inject heating gas to keep the mold at 1000°C for 2 hours before demoulding;

[0067] (4) Spray glaze on the cast stone blank after demoulding, and the glazed product is gradually cooled to room temperature by spraying cooling gas in the incubator;

[0068] (5) Grinding and polishing the cast stone cooled to room t...

Embodiment 3

[0071] The blast furnace slag provided by the present embodiment produces cast stone and comprises the following steps:

[0072] (1) The 1500°C molten slag flowing out of the blast furnace is transferred to the composition quenching and tempering stirring pool through the iron mixing furnace for heating and heat preservation;

[0073] (2) Mix the components modifier quartz sand and colorant Cr 2 o 3 Add it into the mixing tank for conditioning and tempering the ingredients, blow inert gas and coal powder from the top and bottom to mix the ingredients evenly, and keep it warm at 1450-1500°C for 1-2 hours;

[0074] (3) Flow the molten slag into the mold for molding treatment, and inject heating gas to keep the mold at 1000°C for 2 hours before demoulding;

[0075] (4) Spray glaze on the cast stone blank after demoulding, and the glazed product is gradually cooled to room temperature by spraying cooling gas in the incubator;

[0076] (5) Grinding and polishing the cast stone c...

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Abstract

The invention belongs to the field of metallurgical and inorganic nonmetallic materials, and provides a temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag. The process method comprises the following steps: (1) transferring the blast furnace slag into a component hardening, tempering and stirring pond by keeping the temperature of the blast furnace slag to be in a temperature interval of a tap hole of a blast furnace, adding a corresponding modifier and a corresponding colorant, and performing uniform stirring; (2) putting the slag into a mold through a slag hole for mold casting forming, or putting the slag into a casting box for amorphous mold casting treatment; (3) putting a de-molded product into a heat insulation box, spraying an enamel material, performing surface coloring treatment, and performing step-by-step cooling in the heat insulation box to room temperature so as to obtain a formed product; (4) polishing the surface of the formed product to obtain a finished cast stone product. According to the method and the equipment, blast furnace slag and waste resources are fully utilized. The produced cast stone is multi-purpose, is suitable for large-scale production, and has the characteristics of stable color quality, abrasion resistance, pressure resistance, acid-base resistance, small expansion and shrinkage coefficients and the like.

Description

technical field [0001] The invention relates to the fields of metallurgy and inorganic non-metallic materials, and provides a temperature-controllable die-casting process and equipment for producing cast stone using blast furnace slag. Background technique [0002] According to the data released by the World Iron and Steel Association, the world’s pig iron production in 2012 was 1.1 billion tons, of which the country with the highest output was China, with an annual output of 650 million tons in 2012. The output of slag is also as high as nearly 200 million tons. How to efficiently utilize these high-temperature slag resources has gradually become a focus of attention. The current blast furnace slag treatment process basically adopts the water flushing slag process, and the obtained products are basically used in cement production, and the blast furnace slag used as raw material for cement production has almost no profit at all. At the same time, every 1 ton of high-temper...

Claims

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Application Information

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IPC IPC(8): C04B5/00
Inventor 国宏伟张建良刘峰何茂成
Owner UNIV OF SCI & TECH BEIJING
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