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Self-igniting colliery wastes burnfree brick and production process thereof

A self-burning coal, non-burning brick technology, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of unguaranteed internal quality and difficult to standardize the regularity, and achieve simple production methods and low cost. Low, low-employment effect

Inactive Publication Date: 2006-06-28
徐振生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sintered bricks are solidified on the surface, and their internal solidification is achieved by shrinking when the surface is liquefied and then solidified. Once the surface is damaged, the internal quality is not guaranteed; in addition, the external dimensions and regularity of the product are affected by sintering and it is difficult to standardize

Method used

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Embodiment Construction

[0007] Below are three embodiments of the present invention:

[0008] The raw materials of the present invention include cement 9, spontaneous combustion coal gangue 45, water slag 15, stone powder 20, water quality reducing agent 0.2 and sodium sulfate 0.21, and its shape is square or rectangular.

[0009] The weight parts of raw materials in the present invention are: cement 10, spontaneous combustion coal gangue 47.5, water slag 17.5, stone powder 25, water quality reducing agent 0.2 and sodium sulfate 0.21, and its shape is square or rectangular.

[0010] The weight parts of raw materials in the invention include: 11 cement, 50 spontaneous combustion coal gangue, 30 water slag, 30 stone powder, 0.2 water quality reducing agent and 0.21 sodium sulfate, and the shape is square or rectangular.

[0011] Production method of the present invention is the same as above.

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Abstract

A fire-free brick is prepared from cement (9-11 Wt portions), self-burning coal gangue (45-50), grain slag (15-30), stone powder (20-30), water reducing agent (0.2) and sodium sulfate (0.21). Its advantages are high quality, low cost and no environmental pollution.

Description

1. Technical field: [0001] The invention relates to a non-burning brick and a production method thereof, in particular to a non-burning coal gangue non-burning brick and a production method thereof. 2. Background technology: [0002] The current coal gangue sintered bricks are solidified by the sintering temperature, and there are many factors that affect the solidification quality, such as: moisture content, preheating temperature, sintering temperature, especially the section temperature of the kiln, firing time, cooling temperature, etc. If the requirements are met, there will be quality problems. Sintered bricks are solidified on the surface, and their internal solidification is achieved by shrinking when the surface is liquefied and then solidified. Once the surface is damaged, the internal quality is not guaranteed; in addition, the external dimensions and regularity of the product are affected by sintering and it is difficult to standardize. 3. Contents of the inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/04C04B18/12C04B22/14C04B24/38
CPCY02W30/91
Inventor 徐振生曹延昭
Owner 徐振生
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