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A kind of environment-friendly and energy-saving masonry cement

A masonry cement, environmental protection and energy-saving technology, applied in the field of cement, can solve problems such as cracking and hollowing of plastering mortar, cracking and hollowing of walls, weak bonding force, etc., and achieve strong tensile bond strength, and easy Excellent performance and low manufacturing cost

Inactive Publication Date: 2016-04-06
GUANGXI YINGYI ENVIRONMENTAL PROTECTION BUILDING MATERIALS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the masonry cement has insufficient water retention rate, and wet construction technology is still required during construction. When used for masonry, the bonding force between mortar and brick is not strong, causing cracking and hollowing of the wall, and cracking occurs when it is used for plastering mortar. and hollowing

Method used

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  • A kind of environment-friendly and energy-saving masonry cement
  • A kind of environment-friendly and energy-saving masonry cement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The masonry cement of the 12.5MPa strength grade produced with the environmental protection energy-saving masonry cement formula of the present invention, its formula is:

[0021] 15% cement clinker, 10% ceramic soil, 15% waste brick, 5% waste tile, 15% waste concrete, 3% waste sand ash, 5% waste glass, 5% waste ceramic tile, 5% steel slag, 5% slag, Lime residue 2%, fly ash 10%; gypsum 3%, redispersible latex powder 1%, methyl cellulose 0.2%, triethanolamine 0.2%, polypropylene fiber 0.2%, sodium rosinate 0.4%;

[0022] The above formula raw materials are mixed, ground and homogenized, and the fineness is controlled to be less than 10% on a 0.08mm square hole sieve, so that the environmental protection and energy saving masonry cement of this embodiment is obtained. The environmental protection and energy-saving masonry cement inspection result of embodiment 1 is as follows:

[0023]

Embodiment 2

[0025] The masonry cement of the 12.5MPa strength grade produced with the environmental protection energy-saving masonry cement formula of the present invention, its formula is:

[0026] Cement clinker 5%, ceramic soil 13%, waste brick 20%, waste tile 10%, waste concrete 15%, waste sand ash 5%, steel slag 15%, lime slag 5%, fly ash 10%, gypsum 1.0% , Redispersible latex powder 1.5%, methyl cellulose 0.02%, triethanolamine 0.02%, polypropylene fiber 0.02%, sodium rosinate 0.04%.

[0027] The above formula raw materials are mixed, ground and homogenized, and the fineness is controlled to be less than 10% on a 0.08mm square hole sieve, so that the environmental protection and energy saving masonry cement of this embodiment is obtained. The environmental protection energy-saving masonry cement inspection result of embodiment 2 is as follows:

[0028]

Embodiment 3

[0030] The masonry cement of the 22.5MPa strength grade produced with the environmental protection energy-saving masonry cement formula of the present invention, its formula is:

[0031] Cement clinker 18%, ceramic soil 5%, waste brick 18%, waste concrete 15%, waste glass 2%, waste tile 5%, steel slag 13%, fly ash 13%, gypsum 10%, redispersible latex powder 0.5%, methyl cellulose 0.1%, triethanolamine 0.1%, polypropylene fiber 0.1%, sodium rosinate 0.2%;

[0032] The above formula raw materials are mixed, ground and homogenized, and the fineness is controlled to be less than 10% on a 0.08mm square hole sieve, so that the environmental protection and energy saving masonry cement of this embodiment is obtained.

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Abstract

The invention discloses environment-friendly and energy-saving masonry cement which is prepared from the following components by mass percent: 5% to 20% of cement clinker, 3% to 20% of ceramic clay, 50% to 80% of inorganic industrial wastes, 1% to 10% of gypsum, 0.1% to 1.5% of redispersible latex powder and 0.1% to 1.0% of masonry cement additive, wherein the sum of the content of all the components by mass percent is 100%; the inorganic industrial wastes are partially or completely selected from waste bricks, waste tiles, waste concrete, waste lime-sand mortar, waste glass, waste ceramic tiles, steel slag, furnace slag, lime slag and pulverized fuel ash; and the masonry cement additive is composed of methylcellulose, triethanolamine, polypropylene fibers and sodium abietate. Thus, the masonry cement prepared by utilizing a large quantity of low-cost materials such as the inorganic industrial wastes and the like conforms to the standard technical specification in China, has a high water-retaining property and a strong cohesive force and is capable of realizing environmental friendliness, saving energy, human sources and materials and guaranteeing construction quality.

Description

technical field [0001] The invention belongs to the field of cement, in particular to an environment-friendly and energy-saving masonry cement. Background technique [0002] Masonry cement is mainly used for masonry and plastering mortar and cushion concrete. According to the technical specification requirements of the national standard GB / T3183-2003 "Masonry Cement", masonry cement is composed of one or more mixed materials, Portland cement clinker and gypsum are finely ground hydraulic cementitious materials with good workability. The amount of mixed materials in masonry cement should be more than 50%, and the water retention rate of masonry cement should not be lower than 80%. . At present, most of the masonry cement has insufficient water retention rate, and wet construction technology is still required during construction. When used for masonry, the bonding force between mortar and brick is not strong, causing cracking and hollowing of the wall, and cracking occurs whe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/24
CPCY02P40/10
Inventor 谢盈庭陈益兰
Owner GUANGXI YINGYI ENVIRONMENTAL PROTECTION BUILDING MATERIALS TECH CO LTD