Preparation method for novel rice straw fiber board

A preparation method and technology of rice straw, applied in the field of building components and decoration, can solve the problems of insufficient environmental protection performance, incomplete sterilization performance, weak water resistance performance, etc., and achieve serious waste of straw resources, light quality, and manufacturing The effect of simple process

Inactive Publication Date: 2014-02-12
CHANGSHA CHUANGYUAN ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reasons are: 1. The strength of the produced board is poor; 2. The flame retardant rate is low; 3. The acid and alkali resistance is poor; 4. The water resistance is not strong; 5. The sterilization performance is not thorough; 6. The environmental performance requirements cannot be met

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Embodiment 1: rice straw powder 46%, stone powder 15%, talcum powder 5%, magnesium oxide 33%, additive (1) 0.2%, additive (2) 0.8%, described percentage is percentage by weight.

[0009] Combine all the above materials together, put them into the mixer and mix them for 120-150 minutes, take them out after fully mixing, put them into the temperature-controlled control pool, and control the temperature of the control pool in the temperature-controlled control room at 25°C Between -35 ℃, control the temperature of the softened substance to be between 45% and 55%, and the time to control the temperature of the softened substance is 160 minutes, and then add 40% to 50% of water (the best is 45%) to Achieve natural fermentation and sterilization treatment. After 60 hours of natural fermentation, take the mixed substance out of the control tank, put it into the program-controlled mold and pressurize it. It is required to start controlling the temperature of the program-controll...

Embodiment 2

[0011] Embodiment 2: rice straw powder: 56%, stone powder 12%, talcum powder 10%, magnesium oxide 25%, additive (1) 0.6%, additive (2) 0.4%, described percentage is percentage by weight.

[0012] Combine all the above materials together, put them into the mixer and mix them for 120-150 minutes, take them out after fully mixing, put them into the temperature-controlled control pool, and control the temperature of the control pool in the temperature-controlled control room at 25°C Between -35 ℃, control the temperature of the softened substance to be between 45% and 55%, and the time to control the temperature of the softened substance is 160 minutes, and then add 40% to 50% of water (the best is 45%) to Achieve natural fermentation and sterilization treatment. After 60 hours of natural fermentation, take the mixed substance out of the control tank, put it into the program-controlled mold and pressurize it. It is required to start controlling the temperature of the program-contro...

Embodiment 3

[0014] Embodiment 3: rice straw powder: 50%, stone powder 15%, talcum powder 7%, magnesium oxide 32%, additive (1) 0.4%, additive (2) 0.6%, described percentage is percentage by weight.

[0015] Combine all the above materials together, put them into the mixer and mix them for 120-150 minutes, take them out after fully mixing, put them into the temperature-controlled control pool, and control the temperature of the control pool in the temperature-controlled control room at 25°C Between -35°C, control the temperature of the softened substance to be between 45% and 55%, and the time to control the temperature of the softened substance is 160 minutes, and then add 40% to 50% of water (the best is 45%) to To achieve natural fermentation and sterilization treatment, after 60 hours of natural fermentation, take the mixed substance out of the control tank, put it into the program-controlled mold and pressurize, it is required to start controlling the temperature of the program-control...

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PUM

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Abstract

Disclosed is a preparation method for a novel rice straw fiber board. The novel rice straw fiber board comprises, by weight, 46%-56% of rice straw powder, 12%-15% of mountain flour, 5%-10% of talcum powder, 25%-33% of magnesium oxide, 0.2%-0.6% of an additive agent (1) and 0.4%-0.8% of an additive agent (2). The preparation method includes: smashing and grinding organic fiber materials such as rice straws; evenly stirring and blending organic fiber powder, the mountain flour, the talcum powder and the magnesium oxide; adding the additive agents (1 and 2) into the organic fiber powder, the mountain flour, the talcum powder and the magnesium oxide prior to adding water and evenly stirring and blending; filling blended materials into a mould under the condition of harmonic temperature and humidifying temperature prior to cold pressing and forming, and demoulding; performing trimming on a demoulded semi-finished product according to the product specifications; putting the demoulded semi-finished product subjected to trimming performing into a pressure-maintaining and curing mould for curing and warehousing a finished product.

Description

technical field [0001] The invention relates to a preparation method of a rice straw fiber board, in particular to a preparation method of a novel rice straw fiber board. The utility model belongs to the technical field of building components and decoration. Background technique [0002] At present, most of the raw materials for synthetic boards manufactured in China are wood materials such as miscellaneous wood, board scraps, sawdust, etc.; because the source of wood raw materials is restricted by environmental protection and other reasons, its supply is not only limited, but also The price is high; therefore, some domestic enterprises and research institutions are constantly looking for artificial panels and other available alternative materials. Although some enterprises have made certain attempts to use crop straws to make boards, the boards produced have some defects in terms of strength, flame retardancy, acid and alkali resistance, water resistance, and environmental...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/52C04B28/10C04B18/24
CPCB28B1/52C04B28/10C04B18/24Y02W30/91
Inventor 蔡明远孙铁平
Owner CHANGSHA CHUANGYUAN ENVIRONMENTAL PROTECTION TECH
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