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Environment protection baking-free sludge brick and production method thereof

A silt and environmental protection technology, applied in the field of environmental protection non-burning silt bricks and their production, can solve the problems of destroying natural resources, wasting energy, complicated processes, etc., and achieving the effects of protecting natural resources, reducing production costs, and simplifying operation.

Inactive Publication Date: 2009-05-27
汉寿县永兴砖厂
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantage is that the process is complex, wastes energy, pollutes the environment, and damages natural resources, especially the need for kiln firing, which is expensive

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] The three main components of environmentally friendly non-fired silt bricks are silt, sand and cement, and their weight ratio is 65%-55%: 25%-30%: 10%-15%; the auxiliary raw material is potassium permanganate and other potassium Saturated solvents of quality salts, their consumption depends on the specific conditions of the sludge, which is 0.1%-0.3% of the weight of the brick.

[0007] The specific production process of environmentally friendly unburned silt bricks is:

[0008] 1. Flooding:

[0009] Soak the sludge in water to obtain 80-100 mesh mud.

[0010] 2. Oxidation:

[0011] Add the saturated solvent of potassium permanganate into the mud, and put the mixture of the two into the mixer. After stirring for 1min-2min, the mixture is velvet and light red in color by visual inspection. The pH value is 3-4, and the oxidized mud is obtained.

[0012] 3. Curing:

[0013] Add sand to the oxidized mud, stir for 1min-2min, and test the pH value to be 4-5. Obtain solid...

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PUM

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Abstract

The invention relates to an environment-friendly baking-free sludge brick and a production method thereof. The main compositions of the sludge brick are sludge, sand and cement, and auxiliary chemical raw materials are saturated solvent of potassic salts such as potassium permanganate taken as an oxidant. The invention adopts production processes of waterlogging, oxidation, curing, condensation, moulding and demoulding, fully and effectively utilizes various types of sludge, purifies the environment, does not need to chop hills to unload soil, and protects natural resources; the baking-free technology not only is energy-saving but also reduces the production cost, and has reasonable technological design, simple and convenient operation and no secondary pollution; the brick can be delivered after naturally dried in the air for 15 days, and the quality of the brick completely accords with the national standards; the shaping randomness is strong, and tiles, street bricks and so on can be manufactured only by adoption of different dies; and the environment-friendly baking-free sludge brick has considerable social benefit and economic benefit and obvious promotion value and application value.

Description

technical field [0001] The invention relates to civil construction engineering raw materials and a production method thereof, in particular to an environment-friendly non-fired silt brick and a production method thereof. Background technique [0002] Currently, bricks (wall bricks, floor bricks, etc.) are still one of the most versatile raw materials in civil engineering. The traditional production process of bricks mostly adopts billet making and sintering, and the raw materials for making bricks are generally obtained from cutting mountains. Its disadvantages are complex process, waste of energy, pollution of the environment, and destruction of natural resources, especially the need for kiln firing, which is expensive. Contents of the invention [0003] In order to change the deficiencies of the traditional brick production process, the purpose of the present invention is to provide an environmentally friendly non-fired silt brick and its production method for recycling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/06C04B18/30
CPCY02W30/91
Inventor 李伯新廖汉臣
Owner 汉寿县永兴砖厂
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