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Method for manufacturing light-weight aggregate

A manufacturing method and technology of aggregates, applied in ceramic products, sustainable waste treatment, solid waste management, etc., can solve the problems of harmful substances mixing, lightweight aggregates and water leakage, and achieve the effect of solving the leakage of harmful substances

Inactive Publication Date: 2012-03-28
黄兆龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the object of the present invention is to provide a method for manufacturing lightweight aggregates, which can solve the known problems of water leakage and the mixing of harmful substances caused by lightweight aggregates, and improve the quality stability of lightweight aggregates

Method used

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  • Method for manufacturing light-weight aggregate
  • Method for manufacturing light-weight aggregate
  • Method for manufacturing light-weight aggregate

Examples

Experimental program
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Embodiment Construction

[0020] figure 1 It is a flow chart of the steps of the manufacturing method of the lightweight aggregate according to the embodiment of the present invention.

[0021] Please refer to figure 1 , firstly, mixing the reservoir sludge and solid waste evenly to obtain a mixture (step 110). Step 110 is to uniformly stir the reservoir sludge and solid waste at a predetermined ratio, and the predetermined ratio is that the weight ratio of reservoir sludge to solid waste is 1:1-3:7. Wherein, the solid waste is, for example, sewage sludge, river sludge, industrial sludge, incinerator ash, coal burning ash, slag, waste sand or other suitable solid industrial waste. Of course, when stirring the reservoir sludge and solid waste, an appropriate amount of water can be added to obtain a mixture, or a mixture of dry powder.

[0022] Next, the mixture is shaped and pelletized to form a plurality of circular or multiple concentric pellets (step 120). In step 120, for example, the mixture ob...

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Abstract

The invention relates to a method for manufacturing light-weight aggregate. The light-weight aggregate is manufactured according to the steps of evenly mixing reservoir silt and solid waste of preset proportion, shaping and granulating the mixture of the reservoir silt and solid waste to obtain granules with multiple circle centers, wrapping the surfaces of the granules by melting layers, and sintering the melting layers in sequence until the melting layers are vitrified.

Description

technical field [0001] The invention relates to a method for manufacturing lightweight aggregates, and in particular to a method for manufacturing lightweight aggregates using reservoir sludge, other sludge, ash, and the like. Background technique [0002] In recent years, with the continuous growth of the economy, a large number of public constructions have been built, resulting in a shortage of sand and gravel supply and the depletion of natural aggregates, and the limited construction land has also led to the development of high-rise buildings. Therefore, lightweight building materials have gradually become the focus of development. the trend of. [0003] In order to adapt to the current energy-saving and waste-reducing green building concepts, it is the trend of the times to use reservoir sludge and other sludge and ash to develop lightweight aggregates. Using reservoir sludge to make lightweight aggregates can not only increase the water storage capacity of the reservo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B18/04
CPCC04B18/02C04B20/1007C04B2111/40C04B18/023Y02W30/91C04B18/0418C04B18/06C04B18/141C04B38/0061
Inventor 黄兆龙
Owner 黄兆龙