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An environmentally friendly ramming material

A ramming material and environment-friendly technology, applied in the fields of metal smelting and environment-friendly ramming material, can solve the problems of waste of resources, environment and damage, and achieve the effect of saving production costs, facilitating popularization and application, and reducing waste and environmental damage.

Active Publication Date: 2017-12-26
长兴云峰炉料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, Al2O3-SiC-C bricks of many large and medium-sized iron and steel enterprises are discarded every year due to furnace dismantling, and a large amount of solid waste has caused waste of resources and damage to the environment

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0023] Example 1: waste brick particles: 50 parts; special grade alumina: 25 parts; spherical pitch: 10 parts; zircon: 10 parts; silicon carbide: 5 parts; modified nano carbon powder: 10 parts; polypropylene fiber: 1 part; composite fine powder: 10 parts; binder: 6 parts; ferrosilicon nitride: 5 parts.

Embodiment 2

[0024] Embodiment 2: waste brick particles: 60 parts; special grade alumina: 20 parts; spherical pitch: 15 parts; zircon: 15 parts; silicon carbide: 7 parts; modified nano carbon powder: 15 parts; polypropylene fiber: 1 part; composite fine powder: 15 parts; binder: 8 parts; ferrosilicon nitride: 7 parts.

Embodiment 3

[0025] Example three: waste brick particles: 55 parts; super bauxite: 25 parts; spherical pitch: 15 parts; zircon: 20 parts; silicon carbide: 8 parts; modified nano carbon powder: 10 parts; polypropylene fiber: 2 parts; composite fine powder: 15 parts; binder: 8 parts; ferrosilicon nitride: 10 parts.

[0026] The invention is an environmentally friendly ramming material made of waste brick particles, super-grade bauxite, spherical pitch, silicon carbide, modified nano-carbon powder, alumina powder and the like. It solves the problem of comprehensive utilization of Al2O3-SiC-C bricks, and uses cheap industrial solid waste to produce low-cost ramming materials. The cost is only 75% of the cost of ordinary iron trench castables, and it meets the national energy conservation and environmental protection requirements and The development trend of the refractory industry; adding ferrosilicon nitride and zircon to the ramming material can significantly improve the slag erosion resista...

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Abstract

The invention discloses an environment-friendly ramming material, which is made of waste brick particles, super-grade bauxite, spherical asphalt, silicon carbide, modified nano carbon powder, aluminum oxide powder and the like. It solves the problem of comprehensive utilization of Al2O3‑SiC‑C bricks, and uses cheap industrial solid waste to produce low-cost ramming materials. The cost is only 75% of the cost of ordinary iron trench castables, and it meets the national energy conservation and environmental protection requirements and Development trend of refractory industry. The invention enables the waste Al2O3-SiC-C bricks to be applied to the ramming material, which reduces the waste of resources and the damage of the environment, saves the production cost of the ramming material, guarantees the quality of the product, and facilitates popularization and application.

Description

【Technical field】 [0001] The invention relates to the technical field of metal smelting, in particular to the technical field of an environment-friendly ramming material. 【Background technique】 [0002] The ramming material is mainly used in the ramming, masonry and repair of the iron ditch and slag ditch of the blast furnace, or the parts where it is inconvenient to use pouring construction. At present, the ramming material for blast furnace iron trench uses corundum, super-grade bauxite, and SiC as the ramming material matrix, and a certain amount of asphalt powder, tar and other binders are added. Castables are generally used for the main channel of large blast furnaces, and ramming materials are mostly used for the iron channel. Because slag and iron are difficult to clean up in small blast furnaces, ramming materials are mainly used, and the amount of iron passing through them is only a few thousand tons. The non-baking iron ditch ramming material does not need to be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66B09B3/00
Inventor 佘云锋佘成其吴建华
Owner 长兴云峰炉料有限公司