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

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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 meth

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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Example Embodiment

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

[0037] S100. Using river sludge and / or sewage sludge or activated sludge as the main raw material, after deodorizing, drying, and pulverizing, it is mixed with cement and polymerizers and then granulated to form stable soil particles;

[0038] S200. Mix the stabilized soil particles, cement and activator uniformly, and press them into a shape;

[0039] S300: Curing for 7 to 14 days under natural conditions to obtain the residual sludge-free brick.

[0040] In another preferred embodiment of the present invention, in the step S100, the water content of the river sludge or sewage sludge is less than 8% after drying and dehydration, and the particle size after crushing is less than 1 mm. The sludge powder is mixed with c...

Example Embodiment

[0044] Example 1

[0045] The sludge-enhanced non-burning brick is made of river sludge, sewage sludge, cement, polymerization agent, activator, granulated, pressurized, and cured. The quality of sludge powder, cement, polymerization agent, activator and water The ratio is 50, 30, 0.5, 3, 15. The preparation process of sludge-enhanced non-burning bricks is as follows figure 1 As shown, (1) river sludge and sewage sludge are deodorized and dehydrated, and then pulverized to obtain river sludge and sewage sludge powder; (2) river sludge, sewage sludge powder and cement, polymerizers, and activators Mix, add appropriate amount of water, fully stir, roll compaction and then granulate; the granulated cement content accounts for 50% of the unit proportion of cement; (3) Then the river sludge and sewage sludge particles are mixed with the remaining cement and activator, and then added Appropriate amount of water, fully agitated, rolled, and then molded and molded at 400KN. After curin...

Example Embodiment

[0046] Example 2

[0047] Sludge-enhanced non-burning bricks are made by mixing river sludge, activated sludge, cement, polymerizing agent, activator, granulating, pressing embryos, and curing. The dry powder of river sludge, activated sludge dry powder, cement, polymerizing agent, activating agent The mass ratio with water is 40, 40, 0.5, 5, 15. The preparation process of sludge-enhanced non-burning bricks is as follows figure 1 As shown, (1) the river sludge and activated sludge are deodorized and then dehydrated, and the river sludge and activated sludge powder are obtained through pulverization; (2) the river sludge, activated sludge powder and cement, polymerization agent, and activator Mix, add appropriate amount of water, fully stir, roll compaction, and then granulate; the amount of granulated cement accounts for 50% of the unit proportion of cement; (3) Mix the river sludge, activated sludge with the remaining cement and activator, and add an appropriate amount Water, ...

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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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