Novel wear-resisting plate produced by using waste moulding sand and preparation method of plate
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A technology of waste molding sand and wear-resistant plates, which is applied in the field of wear-resistant materials, can solve the problems of high production cost of wear-resistant impactful effect
Active Publication Date: 2013-02-06
CHINESE ACAD OF GEOLOGICAL SCI
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[0005] The present invention provides a new type of wear-resistant plate produced by using waste molding sand and its preparation method, to solve the technical problems of high production cost, poor wear-resistant performance, insufficient hardness, low service temperature and fragile materials of the existing wear-resistant plate. And solve the problem of large stockpiles of waste sand and polluting the environment
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Embodiment 1
[0055] Embodiment 1, this novel wear-resistant plate that utilizes waste molding sand to produce, its raw material composition is as follows by weight ratio:
[0056] 40 parts of waste sand;
[0057] 15 parts of quartz sand;
[0058] 40 parts of calcium carbonate;
[0059] 5 parts of aluminum oxide;
[0060] Sodium nitrate 2 parts;
[0061] Sodium carbonate 10 parts;
[0062] 20 parts of magnesium carbonate;
[0063] Chromium trioxide 2 parts.
[0064]
Embodiment 2
[0065] Embodiment 2, this novel wear-resistant plate that utilizes waste molding sand to produce, its raw material composition is as follows by weight ratio:
[0066] 60 parts of waste sand;
[0067] 22 parts of calcium carbonate;
[0068] Aluminum oxide 1 part;
[0069] Sodium carbonate 2 parts;
[0070] 8 parts of magnesium carbonate;
[0071] Chromium trioxide 1 part.
[0072]
Embodiment 3
[0073] Embodiment 3, this novel wear-resistant plate that utilizes waste molding sand to produce, its raw material composition is as follows by weight ratio:
[0074] 43 parts of waste sand;
[0075] 13 parts of quartz sand;
[0076] 34 parts of calcium carbonate;
[0077] 7 parts of aluminum oxide;
[0078] Sodium nitrate 2 parts;
[0079] 8 parts of sodium carbonate;
[0080] 16 parts of magnesium carbonate;
[0081] Chromium trioxide 1 part.
[0082]
[0083] see figure 1 As shown, the embodiment of the preparation method of the new wear-resistant plate produced by waste sand is as follows:
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Abstract
The invention discloses a novel wear-resisting plate produced by using waste moulding sand and a preparation method of the plate. The novel wear-resisting plate produced by using waste moulding sand comprises the following raw materials in parts by weight: 40-60 parts of waste moulding sand, 0-15 parts of quartz sand, 22-40 parts of calcium carbonate, 1-7 parts of aluminum oxide, 0-2 parts of sodium nitrate, 2-10 parts of sodium carbonate, 8-20 parts of magnesium carbonate and 1-2 parts of chromium sesquioxide. According to the invention, waste is used as the production raw material, so that the cost for producing the wear-resisting plate is reduced; by taking diopside as the main crystalline phase, the wear-resisting plate is large in hardness, high in strength, corrosion resistant, weather resistant, non-absorbent and free of radioactive dangers; and at the same time, the volume of cargo in storage of the waste moulding sand is decreased, so that the recycling of the waste is realized and the environment pollution is prevented and treated. The wear-resisting plate is prepared by using a melting-calendaring-crystallization process and the product is capable of replacing certain metals or other materials at certain places, so that the cost is reduced and the service life of the equipment is prolonged; and the wear-resisting plate can be widely applied to the fields of electric power, coal, mine, metallurgy, building and the like.
Description
technical field [0001] The invention relates to a wear-resistant material and a preparation method of the wear-resistant material. Background technique [0002] Wear-resistant material is a new type of material widely used in electric power, coal, mining, metallurgy, construction and other fields. It has a wide range of types and uses, and is forming a large-scale high-tech industrial group with a very broad market prospect. Wear-resistant materials are the core of the field of new materials, and play an important role in promoting and supporting the development of high-tech. In the field of global new material research, wear-resistant materials occupy an important position. With the development of science and technology and the national economy, special Wear-resistant materials play an important role in promoting and supporting the development of high-tech. They are key materials in high-tech fields such as information, biology, energy, environmental protection, and space ...
Claims
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