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Phosphogypsum-based tile-like structure building material and preparation method thereof

A technology for building materials and phosphogypsum is applied in the field of phosphogypsum-based imitation tile structure building materials and their preparation, which can solve the problems of not seeing the technical solution of imitation tile structure, and achieve sustainable development, simple construction process and decorative effect. improved effect

Inactive Publication Date: 2015-09-16
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 the imitation tile structure in the process of using phosphogypsum to prepare building materials.

Method used

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  • Phosphogypsum-based tile-like structure building material and preparation method thereof
  • Phosphogypsum-based tile-like structure building material and preparation method thereof
  • Phosphogypsum-based tile-like structure building material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Formula: 40kg of phosphogypsum, 25kg of electrolytic yellow phosphorus slag, 2kg of quicklime, 50kg of absolute ethanol, 21kg of silicon carbide, 9kg of silicic acid, 1kg of aluminum sol, and 17kg of aluminum dihydrogen phosphate solution.

[0039] Preparation:

[0040] (1) Ingredients: take phosphogypsum and unslaked lime according to the mass ratio of 12:1 and neutralize them for 1 minute, put them in the mixer and stir for 48 seconds, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 50 seconds to obtain the mixed material, then After drying the mixed material to free water ≤ 1%, put it into a ball mill for grinding for 60 minutes;

[0041] (2) Aging: aging the mixed material after ball milling in step (1) after calcining at a temperature of 140° C. for 3 hours, and the aging time is 22 hours;

[0042] (3) Forming: put the aged material into the vibration forming machine, and vibrate and form according to the required shape; ...

Embodiment 2

[0049] Formula: 80kg of phosphogypsum, 55kg of electrolytic yellow phosphorus slag, 8kg of quicklime, 50kg of absolute ethanol, 21kg of silicon carbide, 9kg of silicic acid, 1kg of aluminum sol, and 17kg of aluminum dihydrogen phosphate solution.

[0050] Preparation:

[0051] (1) Ingredients: Take phosphogypsum and unslaked lime according to the mass ratio of 12:1 and neutralize them for 1 minute, put them into the mixer and stir for 48 seconds, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 50 seconds to obtain the mixed material, then After drying the mixed material to free water ≤ 1%, put it into a ball mill for grinding for 62 minutes;

[0052] (2) Aging: aging the mixed material after ball milling in step (1) after calcining at a temperature of 145° C. for 3 hours, and the aging time is 24 hours;

[0053] (3) Forming: put the aged material into the vibration forming machine, and vibrate and form according to the required shape; ...

Embodiment 3

[0060] Formula: 50kg of phosphogypsum, 35kg of electrolytic yellow phosphorus slag, 3kg of quicklime, 50kg of absolute ethanol, 21kg of silicon carbide, 9kg of silicic acid, 1kg of aluminum sol, and 17kg of aluminum dihydrogen phosphate solution.

[0061] Preparation:

[0062] (1) Ingredients: Take phosphogypsum and unslaked lime according to the mass ratio of 12:1 and neutralize them for 1 minute, put them into the mixer and stir for 48 seconds, then turn on the mixer, add electrolytic yellow phosphorus slag and continue to stir for 50 seconds to obtain the mixed material, then After drying the mixed material to free water ≤ 1%, put it into a ball mill for grinding for 68 minutes;

[0063] (2) Aging: aging the mixed material after ball milling in step (1) after calcining at a temperature of 155° C. for 4 hours, and the aging time is 26 hours;

[0064] (3) Forming: put the aged material into the vibration forming machine, and vibrate and form according to the required shape;...

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Abstract

The invention discloses a phosphogypsum-based tile-like structure building material and a preparation method thereof. The phosphogypsum-based tile-like structure building material comprises the following raw materials by weight part: 40-80 parts of phosphogypsum, 25-55 parts of electrolytic yellow phosphorus slag and 2-8 parts of quicklime. The preparation method comprises the following steps: burdening, aging, moulding, performing autoclaved curing on a phosphogypsum base material, drying, and spraying to obtain the finished product. The phosphogypsum-based tile-like structure building material has the characteristics of simple construction process, good waterproof flame resistance, high compressive strength, high flexural intensity and strong weatherability, has good decorative effect as an interior decoration building material, consumes a lot of phosphogypsum, reduces natural stone exploitation, and has important meaning for environment protection and continuous development.

Description

technical field [0001] The invention relates to the field of chemical building materials, in particular to a phosphogypsum-based imitation ceramic tile 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 to...

Claims

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Application Information

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IPC IPC(8): C04B28/14C04B18/04C04B22/06
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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