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Sludge enhanced baking-free brick and preparation method thereof

A technology of avoiding burning bricks and sludge, applied in the field of building materials, to achieve the effects of reducing vegetation damage, improving compressive strength, and large processing capacity

Inactive Publication Date: 2017-11-17
深圳市绿志新型建材研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide sludge-reinforced burn-free bricks and its preparation method, to solve the problem of river sludge and sewer sludge consumption and to ease the consumption of natural resources by construction bricks

Method used

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  • Sludge enhanced baking-free brick and preparation method thereof
  • Sludge enhanced baking-free brick and preparation method thereof
  • Sludge enhanced baking-free brick and preparation method thereof

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preparation example Construction

[0036] The invention also provides a method for preparing sludge-reinforced unburned bricks, figure 1 It is the flow chart of the production process of the sludge reinforced unburned brick of the present invention, as figure 1 shown, including the following steps:

[0037] S100. Using river sludge and / or sewer sludge or activated sludge as the main raw material, after deodorization, drying and pulverization, mixing with cement and polymerizing agent and then granulating to form stabilized soil particles;

[0038] S200, uniformly mixing the stabilized soil particles with cement and activator, and pressing to form;

[0039] S300, curing under natural conditions for 7 to 14 days to obtain the burnt-free brick with residual mud and slag.

[0040] In another preferred embodiment of the present invention, in the step S100, the river sludge or sewage sludge is dried and dehydrated with a moisture content of <8% and a crushed particle size of <1 mm. The sludge powder is mixed with ...

Embodiment 1

[0045]Sludge reinforced unburned bricks are made by mixing river sludge, sewer sludge, cement, polymerizing agent and activator, granulating, pressing embryos, and curing. The quality of sludge dry powder, cement, polymerizing agent, activator and water The ratios are 50, 30, 0.5, 3, 15. The preparation process of sludge reinforced unburned bricks is as follows: figure 1 As shown, (1) Deodorize river silt and sewer sludge, dehydrate them, and obtain river silt and sewer sludge powder after pulverization; (2) Mix river silt and sewer sludge powder with cement, polymerization agent, and activator Mix, add appropriate amount of water, fully stir, and granulate after rolling; wherein the amount of granulated cement accounts for 50% of the single ratio cement; (3) mix the river sludge and sewage sludge particles with the remaining cement and activator, add Appropriate amount of water, fully stirred and rolled, then molded and pressurized at 400KN to form. After curing and demouldi...

Embodiment 2

[0047] Sludge reinforced unburned bricks are made by mixing river sludge, activated sludge, cement, polymerizing agent, and activator, granulating, pressing and pressing embryos, and curing. River sludge dry powder, activated sludge dry powder, cement, polymerizing agent, and activator The mass ratio with water is 40, 40, 0.5, 5, 15. The preparation process of sludge reinforced unburned bricks is as follows: figure 1 As shown, (1) dehydrate the river sludge and activated sludge after deodorization, and obtain river sludge and activated sludge powder through pulverization; (2) mix river sludge and activated sludge powder with cement, polymerization agent and activator Mix, add appropriate amount of water, fully stir, and granulate after rolling; wherein the amount of granulated cement accounts for 50% of the single ratio cement; (3) mix river sludge, activated sludge with remaining cement and activator, add appropriate amount Water, fully stirred and rolled, then molded and pr...

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Abstract

The invention relates to a sludge enhanced baking-free brick and a preparation method thereof. The sludge enhanced baking-free brick comprises the following components by mass ratio: 30-50 parts of sludge powder, 30-50 parts of cement, 0.5 parts of a polymerizer, 3-5 parts of an exciting agent, and 15-20 parts of water. The method uses sludge for substituting a crushed stone aggregate, uniform bearing in the bricks and brick body intensity are increased by the sludge granulation aggregate, a broken stone mineral resource is saved, the land occupation is reduced, the environment is protected, the energy is saved, and the social benefit is increased.

Description

technical field [0001] The invention relates to building materials, in particular to a reinforced unburned brick containing river sludge and sewer sludge and a preparation method thereof. Background technique [0002] River silt belongs to urban solid waste. The silt contains a large amount of inorganic and organic matter, and through the flow of river water, it contacts with other river water sources and becomes a secondary pollution source. Heavy metal pollution in river silt in industrially developed areas often exceeds the standard, which not only pollutes the river bed soil, but also penetrates into groundwater sources, causing serious pollution of precious groundwater resources. my country's urbanization process continues to grow, and the large urban population makes siltation of small and medium-sized rivers more common, and the original ability of rivers to regulate and store floods and prevent and mitigate disasters has been weakened. In recent years, the state has...

Claims

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Application Information

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IPC IPC(8): C04B28/00
CPCC04B28/00C04B2201/50C04B18/0427C04B24/2652C04B22/064
Inventor 杨根宏秦吉彭孟啟孙国彬李正茂宋晓明
Owner 深圳市绿志新型建材研究院有限公司
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