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Ardealite-based imitation pinewood structure building material and preparation method thereof

A building material, phosphogypsum technology, applied in the field of phosphogypsum-based imitation pine structure building materials and its preparation, can solve the problems such as the technical scheme of imitation pine structure, and achieve sustainable development, good decorative effect, and anti-bending high intensity effect

Inactive Publication Date: 2015-06-24
GUIZHOU KAILIN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At the same time, there is also the technology of using phosphogypsum to prepare building insulation materials, but there is no technical solution for imitating pine structures in the process of using phosphogypsum to prepare building materials.

Method used

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  • Ardealite-based imitation pinewood structure building material and preparation method thereof
  • Ardealite-based imitation pinewood structure building material and preparation method thereof
  • Ardealite-based imitation pinewood structure building material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Formula: 90kg of phosphogypsum, 70kg of electrolytic yellow phosphorus slag, 5kg of quicklime, 18kg of cooked brown, 18kg of raw brown, 15kg of Heshi stone, 18kg of gasoline, and 19kg of alkyd varnish.

[0041] Preparation:

[0042] Take phosphogypsum and unslaked lime according to the mass ratio of 18:1 and neutralize them for 1min, put them into a mixer and stir for 30s, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 60s to obtain a mixed material, and then dry the mixed material to After the free water is ≤1%, put it into a ball mill for grinding for 40 minutes, until the specific surface area is 275m 2 / kg; the mixed material after ball milling was calcined at 140°C for 3 hours and then aged for 24 hours; the aged material was put into a vibration molding machine and formed by vibration according to the required shape; After 7 days of natural curing of the vibration-molded material, autoclave curing is carried out. The heat...

Embodiment 2

[0044] Formula: 180kg of phosphogypsum, 110kg of electrolytic yellow phosphorus slag, 10kg of quicklime, 18kg of cooked brown, 18kg of raw brown, 15kg of Heshi stone, 18kg of gasoline, and 19kg of alkyd varnish.

[0045] Preparation:

[0046]Take phosphogypsum and unslaked lime according to the mass ratio of 18:1 and neutralize them for 1min, put them in a mixer and stir for 30s, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 60s to obtain a mixed material, and then dry the mixed material to After the free water is ≤1%, put it into a ball mill and grind for 42 minutes until the specific surface area is 275m 2 / kg; the mixed material after ball milling was calcined at a temperature of 142°C for 3 hours, and then aged for 26 hours; the aged material was put into a vibration molding machine, and formed by vibration according to the required shape; After natural curing of vibration-molded materials for 7 days, autoclave curing is carried ...

Embodiment 3

[0048] Formula: 110kg of phosphogypsum, 80kg of electrolytic yellow phosphorus slag, 6kg of quicklime, 18kg of cooked brown, 18kg of raw brown, 15kg of Heshi stone, 18kg of gasoline, and 19kg of alkyd varnish.

[0049] Preparation:

[0050] Take phosphogypsum and quicklime according to the mass ratio of 18:1 and neutralize them for 1min, put them into a mixer and stir for 30s, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 60s to obtain a mixed material, and then put the mixed material into Grinding in a ball mill for 47 minutes until the specific surface area is 277m 2 / kg; the mixed material after ball milling was calcined at a temperature of 148°C for 4 hours, and then aged for 32 hours; the aged material was put into a vibration molding machine, and formed by vibration according to the required shape; After natural curing of vibration-molded materials for 9 days, autoclave curing is carried out. The temperature rise rate is 20°C / h...

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Abstract

The invention discloses an ardealite-based imitation pinewood structure building material and a preparation method thereof. The ardealite-based imitation pinewood structure building material is prepared from the following raw materials in parts by weight: 90-180 parts of ardealite, 70-110 parts of electrolysis yellow phosphorus slag and 5-10 parts of quick lime. The preparation method of the building material comprises the following steps: proportioning raw materials; aging; forming; carrying out autoclaved curing; preparing a ardealite substrate; drying; and spraying, thereby obtaining a finished product. The ardealite-based imitation pinewood structure building material has the characteristics of simple construction process, light weight, good waterproof and fireproof performances, high compressive strength, high breaking strength and good weather fastness; as a weather fastness building material, the ardealite-based imitation pinewood structure building material has good decoration effect; in addition, lots of ardealite is consumed and exploitation of natural wood is reduced; therefore, the ardealite-based imitation pinewood structure building material and the preparation method thereof have very important significance for environment protection and realization of sustainable development.

Description

technical field [0001] The invention relates to the field of chemical building materials, in particular to a phosphogypsum-based imitation pine structure building material and a preparation method thereof. Background technique [0002] Phosphogypsum is the main industrial by-product when phosphate and compound fertilizer enterprises use phosphate rock and sulfuric acid as raw materials to produce phosphoric acid. The wet-process phosphoric acid production process is to produce extraction slurry by decomposing phosphate rock powder with sulfuric acid, and then filtering to obtain phosphoric acid, which is filtered and washed. Phosphogypsum waste is generated in the process. [0003] With the development of ammonium phosphate industry and high-concentration phosphate compound fertilizer, the discharge of phosphogypsum is increasing year by year. At present, the annual increase of phosphogypsum discharge in the world is 280 million tons, and China is about 50 million tons, acco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B18/14C04B41/61B28B11/24
CPCY02W30/91
Inventor 杨步雷杨永彬向前勇王伟刘小成胡新菊李泽钢李显权
Owner GUIZHOU KAILIN GRP CO LTD
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