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Special material for highway, slope protection and water channel produced by using sandstone shale and its manufacturing method

A technology for sand, shale, and roads, which is applied in the production, application, and home appliances of ceramic materials, can solve problems such as unseen production methods, and achieve the effects of reducing energy consumption, saving production costs, and accelerating firing speed.

Active Publication Date: 2016-06-29
NINGXIA BLACK GOLD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the field of materials for public facilities such as roads, slope protection, and canals, there are no special materials for roads, slope protection, and canals produced by sandstone shale and their production methods.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] In terms of weight percentage, sandstone shale is 70%, coal slime is 15%, and limestone is 15%. The above raw materials are weighed in proportion, after mixing, they are crushed and ground into 700-mesh fine powder, and the fine powder is packed into a refractory In the mold made of the material, it is paved and compacted, sent into the kiln for firing at 1150°C, and then exits the kiln after cooling to obtain special materials for roads, slope protection, and water canals. The actual dry density of the material is 500kg / cubic, the thermal conductivity is 0.20 (350°), the compressive strength can reach 10MPa, and the combustion performance is A1 standard.

Embodiment 2

[0045] In terms of weight percentage, sandstone shale is 60%, coal slime is 25%, and limestone is 15%. The above raw materials are weighed in proportion, after mixing, they are crushed and ground into 650-mesh fine powder, and the fine powder is put into the refractory In the mold made of the material, it is paved and compacted, sent into the kiln for firing at 1150°C, and then exits the kiln after cooling to obtain special materials for roads, slope protection, and water canals. The actual dry density of the material is 400kg / cubic, the thermal conductivity is 0.19 (350°), the compressive strength can reach 6MPa, and the combustion performance is A1 standard.

Embodiment 3

[0047] In terms of weight percentage, sandstone shale is 50%, coal slime is 25%, and limestone is 25%. The above raw materials are weighed in proportion, after mixing, they are crushed and ground into 500-mesh fine powder, and the fine powder is put into the refractory In the mold made of the material, it is paved and compacted, sent into the kiln for firing at 1150°C, and then exits the kiln after cooling to obtain special materials for roads, slope protection, and water canals. The actual dry density weight of the material is 300kg / cubic, the thermal conductivity is 0.18 (350°), the compressive strength can reach 4MPa, and the combustion performance is A1 standard.

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Abstract

The invention provides a sandstone-shale-produced material special for a road, a slope protection and a canal as well as a manufacturing method of the material. Sandstones, coal slime and limestone raw materials are processed to be tiny fine powder, and then mixed uniformly according to a specified proportion; the fine powder is flattened in a firing mold and is once and integrally fired in a high-temperature firing furnace for cooling molding. The manufacturing method comprises the follow steps: preparing raw materials, distributing the materials, firing, and cold machining to obtain finished products. The material special for the road, the slope protection and the canal, which is produced by taking sandstone and coal slime as the raw materials, has the advantages that the environment pollution problem is solved, the production cost is reduced, the utilization rate of the resource is increased, the waste is changed into the wealth, and the environment is optimized; by taking the coal slime as the raw material, a combustion supporting effect of raw material self combustion in a firing procedure is realized, the firing speed can be increased, and the fuel cost and the energy consumption are reduced.

Description

Technical field: [0001] The invention relates to the technical field of engineering materials, in particular to a special material for roads, slope protection and water channels produced by using sandstone shale and a manufacturing method thereof. Background technique: [0002] Microcrystalline foam integrated material is a newly developed high-grade environmental protection decoration material in the market. It is a resource utilization of solid waste such as desert drift sand, coal gangue, fly ash, various tailings slag, construction waste and so on. Green and environmentally friendly materials produced by turning harm into profit and turning waste into wealth. It has the characteristics of fire prevention and heat preservation, low thermal conductivity, new light weight, stable chemical properties, non-toxic and tasteless, anti-corrosion and moisture-proof, sound insulation and noise reduction, excellent waterproof and hydrophobic properties, insect-proof and mildew-proof...

Claims

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Application Information

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IPC IPC(8): C03C11/00C04B33/132C04B33/22
CPCY02P40/60
Inventor 黑建忠黑小军
Owner NINGXIA BLACK GOLD TECH CO LTD
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