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Aerated phosphorus building gypsum heat preservation block and preparation method thereof

A technology of phosphorus building gypsum and building gypsum, which is applied in the field of aerated phosphorus building gypsum insulation blocks and its preparation, which can solve the problems of small size of ordinary clay bricks, affect the performance of houses, and poor recycling of waste, and achieve low price , easy construction, less water consumption

Inactive Publication Date: 2019-02-12
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, China has begun to use phosphogypsum to produce building materials and apply them to projects; the wall masonry materials in the construction industry mainly use clay bricks, solid blocks or hollow blocks. These materials have a single variety, poor thermal insulation performance, and waste resources, but also affects the performance of the house
[0003] Ordinary clay bricks are small and heavy; aerated concrete blocks are large and heavy; hollow blocks are large and light, but the recycling of demolition waste is poor, the thermal conductivity is large, and the cost is high

Method used

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  • Aerated phosphorus building gypsum heat preservation block and preparation method thereof
  • Aerated phosphorus building gypsum heat preservation block and preparation method thereof
  • Aerated phosphorus building gypsum heat preservation block and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: In this embodiment, the phosphorus building gypsum taken by a phosphate fertilizer factory in Yunnan is used as raw material to prepare the aerated phosphorus building gypsum insulation block. The ratio is as follows:

[0031]

[0032] like figure 1 Shown: the concrete steps of preparation method are as follows:

[0033] (1) First, mix 30% water, 0.75% polycarboxylate superplasticizer, and 0.75% retarder citric acid of the amount of phosphorus building gypsum and stir evenly, then add 71% phosphorus building gypsum to the solution, and use 90r After stirring at a rotating speed of 290r / min for 25s, and then stirring at a rotating speed of 290r / min for 25s, a mixed solution I was obtained;

[0034] (2) Add 4% calcium carbonate and 7.5% aluminum sulfate successively to the mixed solution in step (1), then stir at a speed of 90r / min for 30s, and then stir at a speed of 290r / min for 25s to obtain a mixed solution II ;

[0035] (3) Add 2% foam stabilizer ...

Embodiment 2

[0039] Embodiment 2: Take the phosphorus construction gypsum taken by a phosphate fertilizer factory in Yunnan as raw material,

[0040] The matching ratio is as follows:

[0041]

[0042] The concrete steps of preparation method are as follows:

[0043] (1) First, mix 35% water, 1.5% polycarboxylate superplasticizer, and 1.5% retarder citric acid of the amount of phosphorus building plaster and stir evenly, then add 82% phosphorus building plaster to the solution, and use 110r After stirring at a rotating speed of 310r / min for 35s, and then stirring for 35s at a rotating speed of 310r / min, a mixed solution I was obtained;

[0044] (2) Add 6% calcium carbonate and 10% aluminum sulfate successively to the mixed solution in step (1), then stir at a speed of 110r / min for 45s, and then stir at a speed of 310r / min for 35s to obtain a mixed solution II ;

[0045] (3) Add 3% foam stabilizer silicone resin polyether emulsion to the mixed solution II in step (2), and stir at a sp...

Embodiment 3

[0049] Embodiment 3: take the phosphorus construction gypsum that a certain phosphate fertilizer factory in Yunnan gets as raw material,

[0050] The matching ratio is as follows:

[0051]

[0052] The concrete steps of preparation method are as follows:

[0053] (1) First, mix 32% water, 1% polycarboxylate superplasticizer, and 1% retarder tartaric acid of the amount of phosphorus building gypsum and stir evenly, then add 80% phosphorus building gypsum to the solution at 100r / After stirring for 30s at a rotating speed of 300r / min, stirring for 30s at a rotating speed of 300r / min, a mixed solution I was obtained;

[0054](2) Add 5% calcium carbonate and 8% aluminum sulfate successively to the mixed solution in step (1), then stir at a speed of 100r / min for 40s, and then stir at a speed of 300r / min for 30s to obtain a mixed solution II ;

[0055] (3) Add 2.5% foam stabilizer silicone resin polyether emulsion to the mixed solution II in step (2), and stir at a speed of 10...

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Abstract

The invention discloses an aerated phosphorus building gypsum heat preservation block and a preparation method thereof. The aerated phosphorus building gypsum heat preservation block is prepared fromthe following raw materials by mass percent: 71-82% of phosphorus building gypsum, 4-6% of calcium carbonate, 7.5-10% of aluminum sulfate, 2-3% of a foam stabilizer, 0.75-1.5% of a retarder, 0.75-1.5%of a water reducing agent and 1.5-3% of chopped fiber. The aerated phosphorus building gypsum heat preservation block prepared by the invention is excellent in the aspects of mechanical property andlight-weight heat preservation, accumulated industrial byproduct gypsum is utilized to produce the aerated phosphorus building gypsum heat preservation block, a block body material, which is good in heat preservation effect and light in self-weight and has good compression resistance and crack resistance, is produced when the utilization of solid waste and environmental protection are simultaneously solved, the material has a positive meaning in the aspects of resource saving and environmental protection, a large quantity of phosphorus building gypsum can be utilized for the material, and thematerial can be recycled, thereby being more environmentally friendly.

Description

technical field [0001] The invention relates to an aerated phosphorus building gypsum thermal insulation block and a preparation method thereof, belonging to the technical field of building materials. Background technique [0002] In China, the production of industrial by-product gypsum is large and pollutes the environment seriously (such as phosphogypsum), so it needs to be developed and utilized. At present, China has begun to use phosphogypsum to produce building materials and apply them to projects; the wall masonry materials in the construction industry mainly use clay bricks, solid blocks or hollow blocks. These materials have a single variety, poor thermal insulation performance, and waste Resources also affect the performance of the house. [0003] Ordinary clay bricks are small and heavy; aerated concrete blocks are large and heavy; hollow blocks are large and light, but the recycling of demolition waste is poor, the thermal conductivity is large, and the cost is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B38/02
CPCC04B28/147C04B2201/32C04B2201/20C04B2201/50C04B22/10C04B22/148C04B24/42C04B24/06C04B2103/302C04B16/0633C04B38/02C04B14/42
Inventor 赵彬宇赵志曼全思臣吴磊张毅李丹
Owner KUNMING UNIV OF SCI & TECH
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