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Solid sulfur ash masonry mortar

A technology for masonry mortar and sulfur-fixing ash is applied in the field of mortar composition to achieve the effects of cost reduction, energy saving and low energy consumption

Inactive Publication Date: 2013-09-04
SOUTHWEAT UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there are still many technical difficulties in its treatment and utilization, and it is difficult to process it with conventional ash utilization methods.

Method used

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  • Solid sulfur ash masonry mortar

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Experimental program
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Effect test

Embodiment 1

[0020] A sulfur-fixing ash masonry mortar, the raw material components and the weight ratio include: 313 parts by weight of sulfur-fixing ash, 61 parts by weight of quicklime, 626 parts by weight of sand, and 0.1 part by weight of a water-retaining thickener.

[0021] Among them: the sulfur-fixed ash is the sulfur-fixed ash discharged from the power plant, which is ground into a fine powder with a sieve residue of 0.045mm and less than 10%; the sand particle size is controlled at 20-70 mesh.

[0022] The preparation method of sulfur-fixing ash masonry mortar is: after mixing the components according to the above weight ratio, add water and mix well according to the water-material ratio of 0.216 (that is, adjust to a consistency of 70-90mm), and then prepare the sulfur-fixing ash masonry mortar Mortar, which can be used for post-building construction.

[0023] The basic properties of the sulfur-fixed ash masonry mortar are: water retention rate of 94.1%, 28d compressive strengt...

Embodiment 2

[0025] A sulfur-fixing ash masonry mortar, the raw material components and the weight ratio include: 455 parts by weight of sulfur-fixing ash, 90 parts by weight of quicklime, 455 parts by weight of sand, and 0.1 part by weight of a water-retaining thickener.

[0026] Among them: the sulfur-fixed ash is the sulfur-fixed ash discharged from the power plant, which is ground into a fine powder with a sieve residue of 0.045mm and less than 10%; the sand particle size is controlled at 20-70 mesh.

[0027] The preparation method of the sulfur-fixing ash masonry mortar is: after mixing the components according to the above weight ratio, add water and mix well according to the water-material ratio of 0.324 (that is, adjust to a consistency of 70-90mm), and then prepare the sulfur-fixing ash masonry mortar Mortar, which can be used for post-building construction.

[0028] The basic properties of the sulfur-fixed ash masonry mortar are: water retention rate of 90.4%, 28d compressive str...

Embodiment 3

[0030] A sulfur-fixing ash masonry mortar, the raw material components and weight proportions include: 323 parts by weight of sulfur-fixing ash, 31 parts by weight of slaked lime, 646 parts by weight of sand, and 0.1 part by weight of a water-retaining thickener.

[0031] Among them: the sulfur-fixed ash is the sulfur-fixed ash discharged from the power plant, which is ground into a fine powder with a sieve residue of 0.045mm and less than 10%; the sand particle size is controlled at 20-70 mesh.

[0032] The preparation method of the sulfur-fixing ash masonry mortar is: after mixing the components according to the above weight ratio, add water and mix well according to the water-material ratio of 0.324 (that is, adjust to a consistency of 70-90mm), and then prepare the sulfur-fixing ash masonry mortar Mortar, which can be used for post-building construction.

[0033] The basic properties of the sulfur-fixed ash masonry mortar are: water retention rate of 94.2%, 28d compressive...

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Abstract

The invention discloses solid sulfur ash masonry mortar. The solid sulfur ash masonry mortar is characterized by comprising the following components in parts by weight: 200 to 490 parts of solid sulfur ash, 30 to 100 parts of lime, 410 to 770 parts of sand, and 0.1 to 0.5 part of water holding thickener. The solid sulfur ash is used as a main raw material for preparing the masonry mortar, so that solid sulfur ash slag discharged by a circulating fluidized bed can be fully utilized, waste of land resources and pollution to the natural environment when the solid sulfur ash is stacked in open air are reduced, meanwhile, the contractility of the masonry mortar is reduced, the water holding property of the masonry mortar is improved, the cost of the masonry mortar is reduced, and the practicability is strong.

Description

technical field [0001] The invention belongs to a mortar composition and relates to a sulfur-fixing ash masonry mortar. The sulfur-fixing ash masonry mortar of the invention is suitable for use as building materials. Background technique [0002] Sulfur-fixing ash refers to the fly ash and ash collected after the sulfur substance contained in raw coal is mixed with a sulfur-fixing agent (usually limestone) in a certain proportion and then burned in a circulating fluidized bed boiler to fix sulfur at 850-900°C. Fluidized bed sulfur-fixed ash is a kind of coal-burning ash with special properties, because the temperature of coal combustion does not reach the temperature when the liquid phase appears, compared with common fly ash, sulfur-fixed ash is usually loose and porous , so the water requirement of standard consistency is much higher than that of fly ash. Due to the addition of calcareous sulfur-fixing components, the sulfur-fixing ash has obvious self-hardening properti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10
Inventor 徐迅卢忠远肖超
Owner SOUTHWEAT UNIV OF SCI & TECH
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