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Method for preparation of porous non-fired product from fly ash and modified plant fiber

A plant fiber and fly ash technology, applied in ceramic products, applications, household appliances, etc., can solve problems such as poor performance, and achieve the effects of high utilization rate, good toughness and good durability

Inactive Publication Date: 2015-05-13
QIQIHAR YUEFENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the certain activity of fly ash, people try to use it as a building material, but the performance is not good.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A method for preparing porous non-fired products by using fly ash and modified plant fibers, characterized in that: raw materials (by weight) are 10 parts of cement, 40 parts of fly ash, 15 parts of silica fume, redispersible latex 10 parts of powder, 6 parts of gypsum, 20 parts of sand, 10 parts of plant fiber, 5 parts of hydroxymethyl cellulose, 10 parts of water, 0.1 part of foaming agent, and 0.05 parts of water reducing agent. Vibrated and extruded inside to make adobe, after steam curing for 24 hours, place it outdoors at room temperature for 12 days to obtain the finished product; the plant fiber is straw, wood fiber or straw, and the above plant fiber is modified, preferably using The following steps are followed to modify it. First, the plant fiber is crushed into a diameter of 3-6mm, and then it is placed in (by weight percentage) 5-10% nano-silicon dioxide, 5-10% nano-calcium carbonate, Dip in a solution prepared by 20-30% styrene-acrylic emulsion, 10-15% cit...

Embodiment 2

[0010] A method for preparing porous non-fired products by using fly ash and modified plant fibers, characterized in that: raw materials (by weight) are 15 parts of cement, 70 parts of fly ash, 15 parts of silica fume, redispersible latex 20 parts of powder, 8 parts of gypsum, 20 parts of sand, 12 parts of plant fiber, 3 parts of hydroxymethyl cellulose, 10 parts of water, 0.1 part of foaming agent, and 0.05 parts of water reducing agent. Vibrated and extruded inside to make adobe, after steam curing for 48 hours, place it outdoors at room temperature for 15 days to obtain the finished product; the plant fiber is straw, wood fiber or straw, and the above plant fiber is modified, preferably using The following steps are followed to modify it. First, the plant fiber is crushed into a diameter of 3-6mm, and then it is placed in (by weight percentage) 5-10% nano-silicon dioxide, 5-10% nano-calcium carbonate, Dip in a solution prepared by 20-30% styrene-acrylic emulsion, 10-15% cit...

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PUM

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Abstract

The present invention relates to a method for preparation of a porous non-fired product from fly ash and modified plant fiber, the process is simple, solid waste utilization rate is high, the non-fired product is light in weight, better in strength, good in durability, good in toughness and crack resistance, and smaller in energy consumption, and has no pollution to the environment, used raw materials comprise cement, fly ash, modified plant fiber and the like, after even mixing and stirring, a green brick can be prepared by vibration and extrusion molding in a mold, after steam curing, the green brick is placed outdoor at room temperature for certain time to obtain the finished product.

Description

technical field [0001] The invention relates to a method for an unfired product, in particular to a method for preparing a porous unfired product by utilizing fly ash and modified plant fibers. Background technique [0002] There is a large amount of discarded fly ash in my country every year, mainly from power plants and mining areas. In recent years, fly ash has only been used as fertilizer in a small amount, and more fly ash has been discarded, causing great damage to the environment. However, due to its certain activity, people try to use fly ash as a building material, but the performance is not good. The preparation of fly ash into non-fired products can not only reduce the burden on the environment, but also turn waste into treasure and save natural resources. At the same time, the non-fired products made of it have excellent thermal insulation and heat insulation. Contents of the invention [0003] The object of the present invention is to provide a method for mak...

Claims

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Application Information

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IPC IPC(8): C04B28/14C04B38/02C04B18/08C04B18/24C04B16/02
CPCY02W30/91
Inventor 梁坐红
Owner QIQIHAR YUEFENG TECH