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A kind of alkali slag flower ceramsite and its manufacturing method

A technology of flower ceramsite and alkali slag, which is applied in the field of environmental protection technology, can solve the problems of high price, low ceramsite strength, and consumption of cultivated land resources, and achieve the effects of high water absorption, purification of the surrounding environment, and protection of the environment and land resources

Active Publication Date: 2016-08-17
湖州南浔魅力新农村建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flower ceramsite currently available on the market is generally made of clay fired at high temperature, and most of the raw materials of clay come from arable land, which consumes arable land resources, and the fired ceramsite has low strength and high price

Method used

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  • A kind of alkali slag flower ceramsite and its manufacturing method

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Effect test

example 1

[0022] Example 1: Alkali slag consumption 40wt%, fly ash 20%, cement 40wt%, externally mixed with 0.5% active carbon powder;

[0023] Single particle strength (7 days): 1.6MPa; Bulk density: 743kg / m 3 .

example 2

[0024] Example 2: Alkali slag consumption 45wt%, fly ash 20%, cement 35wt%, externally mixed with 0.5% active carbon powder;

[0025] Single particle strength (7 days): 1.6MPa; Bulk density: 756kg / m 3 .

example 3

[0026] Example 3: Alkali slag consumption 50wt%, fly ash 20%, cement 30wt%, externally mixed with 0.5% active carbon powder;

[0027] Single particle strength (7 days): 1.3MPa; Bulk density: 790kg / m 3 .

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Abstract

An alkaline residue flower ceramsite and a manufacturing method thereof belong to the technical field of environmental protection science and technology. The raw materials mainly comprise 40-50% of alkaline residues, 10-30% of fly ash, 20-40% of cement, and other raw materials. The manufacturing method comprises the following steps: grinding large hardened alkaline residues to reach a required fineness; weighing needed raw materials such as alkaline residues, fly ash and cement according to the proportions; uniformly stirring the proportionally prepared dry materials, adding water to reach a water cement ratio of 0.2, stirring with a stirrer, performing granulation and molding with the diameter of the granules being controlled at 3-5 mm; and performing natural curing to form the product. The flower ceramsite of the invention is round, has a rough and porous surface, and has high strength and high water absorption; the novel alkaline residue flower ceramsite can improve the air permeability and water permeability of soil, and also has the characteristics of beautifying plants, maintaining the cleanness of surrounding environment, and continuously releasing nutrition required by flowers.

Description

technical field [0001] The invention relates to a novel alkali slag flower ceramsite and a manufacturing method thereof, belonging to the technical field of environmental protection technology. Background technique [0002] Alkali slag is the waste residue discharged in the process of alkali production by ammonia-soda method in industry. The annual production of alkali by ammonia-soda method in my country can reach 4.21 million tons. Because of its high water content and large amount of chloride, it has become a kind of solid waste that is difficult to handle. For a long time, the alkali slag discharged from the alkali factory has occupied a large amount of cultivated land and caused great pollution and damage to the environment. In recent years, the comprehensive treatment of alkali slag has become a major scientific research topic in today's society. The analysis shows that the alkali slag contains a variety of medium and trace elements necessary for plants, such as Ca, Mg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B38/00C04B18/30C05G3/04C05G3/80
CPCY02W30/91
Inventor 严建华张程浩崔素萍兰明章周朋庞保雪张东梅
Owner 湖州南浔魅力新农村建设有限公司
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