Wet-process firing method of ceramsite by using cow dung

A technology of cow dung and ceramsite, which is applied in the fields of application, clay products, ceramic products, etc., can solve the problems of complex preparation methods, low compressive strength, and high ceramsite density, and achieve simple preparation methods, low cost, and smooth shapes. The effect of uniform composition

Active Publication Date: 2016-07-06
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for firing ceramsite by dry method of cow dung, which solves the problem of high density, high water absorption and low compressive strength of ceramsite caused by a large amount of water vapor in the drying process, and the preparation method Complexity, high cost, and technical issues such as using state-protected clay resources

Method used

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  • Wet-process firing method of ceramsite by using cow dung
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  • Wet-process firing method of ceramsite by using cow dung

Examples

Experimental program
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Effect test

Embodiment 1

[0012] Embodiment 1: a kind of method of firing ceramsite with cow dung dry method, the concrete steps of the method for described ceramsite firing with cow dung dry method are as follows:

[0013] Step1, mixing materials; add auxiliary material cow dung to the main material bentonite to form a material, the material includes bentonite, cow dung, bentonite, cow dung are stirred and mixed in a ratio of 4:1 by weight, and 80 parts of bentonite, cow dung can be selected. 20 parts of dung, stirred and mixed; the cow dung used is the discarded cow dung from the cattle farm, the cow dung was dried at 100 ° C, then pulverized with a pulverizer, and then screened with a sieve to obtain cow dung with a particle size of 80 mesh;

[0014] Step2, granulation; the mixed material is compressed into a powder tablet press, the molding pressure is 6.5Mpa, the holding time is 35s, and it is pressed into a cylinder with a diameter of 30mm and a height of 10mm;

[0015] Step3, pretreatment: put t...

Embodiment 2

[0022] Embodiment 2: a kind of method of firing ceramsite with cow dung dry method, the concrete steps of the method for described ceramsite firing with cow dung dry method are as follows:

[0023] Step1, mixing materials; add auxiliary material cow dung to the main material bentonite to form a material, the material includes bentonite, cow dung, bentonite, cow dung are stirred and mixed in a ratio of 4:1 by weight, and 80 parts of bentonite, cow dung can be selected. 20 parts of dung, stirred and mixed; the cow dung used is the discarded cow dung from the cattle farm, the cow dung was dried at 110 ° C, then pulverized with a pulverizer, and then screened with a sieve to obtain cow dung with a particle size of 100 mesh;

[0024] Step2, granulation; the mixed material is compressed into a powder tablet press, the molding pressure is 7.5Mpa, the holding time is 20s, and it is pressed into a cylinder with a diameter of 30mm and a height of 10mm;

[0025] Step3, pretreatment: put ...

Embodiment 3

[0032] Embodiment 3: a kind of method of firing ceramsite with cow dung dry method, the concrete steps of the method for described ceramsite firing with cow dung dry method are as follows:

[0033] Step1, mixing materials; add auxiliary material cow dung to the main material bentonite to form a material, the material includes bentonite, cow dung, bentonite, cow dung are stirred and mixed in a ratio of 4:1 by weight, and 80 parts of bentonite, cow dung can be selected. 20 parts of dung, stirred and mixed; the cow dung used is the discarded cow dung from the cattle farm, the cow dung was dried at 110 ° C, then pulverized with a pulverizer, and then screened with a sieve to obtain cow dung with a particle size of 120 mesh;

[0034] Step2, granulation; the mixed material is compressed into a powder tablet press, the molding pressure is 8.0Mpa, the holding time is 30s, and it is pressed into a cylinder with a diameter of 30mm and a height of 10mm;

[0035] Step3, pretreatment; put ...

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Abstract

The invention relates to a wet-processing firing method of ceramsite by using cow dung and belongs to the technical field of ceramsite production. The method comprises steps of raw material mixing, granulating, pretreatment, high temperature burning, and cooling. The produced ceramsite has the advantages of small density, many pores, uniform morphology and components, high strength, and wear resistant property, can prevent corrosion, freezing, and knocking, has a good insulation performance, can insulate heat and sound, is dampproof, and is suitable for the construction industry.

Description

technical field [0001] The invention relates to a method for firing ceramsite by a dry method of cow dung, and belongs to the technical field of ceramsite production. Background technique [0002] Ceramsite has low density, many internal pores, uniform shape and composition, high strength, wear resistance, and has good corrosion resistance, antifreeze, shock resistance and insulation (insulation, heat insulation, sound insulation, moisture resistance), Therefore, it is widely used in building materials, agriculture, industry, horticulture, refractory insulation materials, environmental engineering and other fields. At present, there are many ways to produce ceramsite. Zhu Xiang and others used sludge and cow dung to wet-fire ultra-light ceramsite, but the moisture content of the blank itself is high, and a large amount of water vapor appears during the drying process, which causes the product to crack. The strength is low, the water absorption rate is high, and the process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/06C04B33/13
CPCC04B38/009C04B38/0067C04B38/0665C04B33/13
Inventor 韩新宇史建武吴玉珍刘树银
Owner KUNMING UNIV OF SCI & TECH
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