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Haydite and production thereof

A production method and ceramsite technology are applied in the field of building materials, which can solve the problems of high energy consumption, low cylinder compressive strength and high cost, and achieve the effects of low material cost, high cylinder compressive strength and high yield.

Inactive Publication Date: 2009-05-27
福建省三角洲陶粒科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of stone powder-sea mud lightweight ceramsite has low cylinder compressive strength due to material problems; and when stone waste is crushed and finely ground, industrial crushers and ball mills with high energy consumption must be used, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The ceramsite of the present invention is made of the following raw materials in weight ratio: 30 parts by weight of sludge, 65 parts by weight of sludge and 5 parts by weight of auxiliary admixture.

[0023] The production method of ceramsite of the present invention is realized through the following steps:

[0024] 1. Take 30 parts by weight of sludge and 65 parts by weight of silt, then mix and stir the sludge and silt, then stack and age the mixed raw material obtained by mixing and stirring for 90 days, and then add 5 parts by weight of auxiliary Additives are mixed and stirred again to obtain a mixed material.

[0025] 2. Granulate the mixed material obtained in step 1 through a screw extruder to form granules; when granulating, observe the length of the granules at any time, and control the length of the granules within 15mm.

[0026] 3. Send the pellets obtained in step 2 into a rotary kiln for preheating and drying. The time for preheating and drying is 40 min...

Embodiment 2

[0029] The ceramsite of the present invention is made of the following raw materials in weight ratio: 42 parts by weight of sludge, 55 parts by weight of sludge and 3 parts by weight of auxiliary additive.

[0030] The production method of ceramsite of the present invention is realized through the following steps:

[0031] 1. Take 42 parts by weight of sludge and 55 parts by weight of silt, then mix and stir the sludge and silt, then stack and age the mixed raw material obtained by mixing and stirring for 100 days, and then add 3 parts by weight of auxiliary Additives are mixed and stirred again to obtain a mixed material.

[0032] 2. Granulate the mixed material obtained in step 1 through a screw extruder to form granules; when granulating, observe the length of the granules at any time, and control the length of the granules within 15mm.

[0033] 3. Send the granules obtained in step 2 into the rotary kiln for preheating and drying. The time for preheating and drying is 35 ...

Embodiment 3

[0036] The ceramsite of the present invention is made of the following raw materials in weight ratio: 60 parts by weight of sludge, 38 parts by weight of sludge and 2 parts by weight of auxiliary admixture.

[0037] The production method of ceramsite of the present invention is realized through the following steps:

[0038] 1. Take 60 parts by weight of sludge and 38 parts by weight of silt, then mix and stir the sludge and silt, then stack and age the mixed raw material obtained by mixing and stirring for 120 days, and then add 2 parts by weight of auxiliary Additives are mixed and stirred again to obtain a mixed material.

[0039] 2. Granulate the mixed material obtained in step 1 through a screw extruder to form granules; when granulating, observe the length of the granules at any time, and control the length of the granules within 15mm.

[0040] 3. Send the granules obtained in step 2 into the rotary kiln for preheating and drying. The time for preheating and drying is 45...

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Abstract

The invention discloses a porcelain granule and a method for producing the same. The porcelain granule is prepared from 30 to 60 weight portions of sludge, 35 to 65 weight portions of silt and 1 to 5 weight portions of auxiliary admixture. The method comprises the following steps: mixing and stirring the living sludge and the silt for piling up and aging; and then matching an appropriate amount of the auxiliary admixture, mixing and stirring the mixture to obtain a mixed material; and performing granulating, pre-heating, baking and high temperature burning expansion on the mixed material to obtain the porcelain granule. With the use of the raw materials, the porcelain granule has light volume weight and higher cylinder pressure intensity; besides, the materials used in the method are mainly the living sludge and the silt, thus not only the material cost is lower, but also an effective utilizing way is provided for minimized, harmless and resource treatments of municipal sewage sludge.

Description

technical field [0001] The invention relates to the field of building materials, in particular to ceramsite and a production method thereof. Background technique [0002] In recent years, my country's wall reform policy has been deepened and its implementation has been gradually strengthened, thus creating a huge market space for the development of new building materials. As a basic building material, ceramsite has received great attention due to its light weight, heat preservation, waste utilization, and environmental protection. The lightweight aggregate concrete hollow blocks, beams, and slabs made of it as a raw material have become the leading products for the development of new wall materials in my country to replace clay solid bricks. [0003] The main raw materials for domestic production of ceramsite are determined by the resources of various places. Under possible conditions, industrial waste such as fly ash and coal gangue are used as much as possible, and natura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132
CPCY02P40/60
Inventor 黄坚强
Owner 福建省三角洲陶粒科技有限公司
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