Dry-mixed plastering mortar of replacing part of fly ash with stone flour

A technology of plastering mortar and fly ash, which is applied in the field of new green environmental protection and energy-saving building materials, can solve the problems of high cost of dry-mixed mortar, low recycling rate of renewable resources, etc., achieve high recycling rate of resources and reduce production costs , the effect of a wide range of sources

Inactive Publication Date: 2016-06-15
NANTONG TIEYUE BUILDING MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a dry-mixed plastering mortar in which stone powder replaces part of fly ash, which can solve the technical problems of high cost of existing dry-mixed mortar and low recovery and reuse rate of renewable resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A dry-mix plastering mortar in which stone powder replaces part of the fly ash, and is made of the following raw materials by weight:

[0027] Tailings aggregate 750kg;

[0028] Portland cement 120kg;

[0029] Fly ash 40kg;

[0030] Stone powder 60kg;

[0031] Melamine condensate 5kg;

[0032] Admixture 25kg.

Embodiment 2

[0034] A dry-mix plastering mortar in which stone powder replaces part of the fly ash, and is made of the following raw materials by weight:

[0035] Tailings aggregate 750kg;

[0036] 120kg of sulphoaluminate cement;

[0037] Fly ash 50kg;

[0038] Stone powder 50kg;

[0039] Sulfamate condensate 5kg;

[0040] Admixture 25kg.

Embodiment 3

[0042] A dry-mix plastering mortar in which stone powder replaces part of the fly ash, and is made of the following raw materials by weight:

[0043] Tailings aggregate 750kg;

[0044] High alumina cement 120kg;

[0045] Fly ash 55kg;

[0046] Stone powder 45kg;

[0047] Melamine condensate 5kg;

[0048] Admixture 25kg.

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PUM

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Abstract

The invention discloses dry-mixed plastering mortar of replacing part of fly ash with stone flour. The dry-mixed plastering mortar is prepared from the following raw materials: 750-800 kg of tailings aggregate, 120-160 kg of cement, 40-65 kg of fly ash, 45-70 kg of stone flour, 4-6 kg of a water reducer and 20-50 kg of an additive. The tailings aggregate is prepared by the use of mine tailings, and the sources are wide. In addition, the stone flour used in the invention is stone flour generated during machine-made sand making process of stone waste generated during production of the tailings aggregate. The stone flour generated during production of the tailings aggregate is fully utilized to replace part of fly ash. Resources recovery reutilization rate is high, energy is saved and emission is reduced. Production cost of the dry-mixed mortar is greatly reduced, and the economic benefit is high.

Description

technical field [0001] The invention relates to the field of green building materials and new green, environment-friendly and energy-saving building materials for waste recycling and reuse, and in particular relates to a dry-mixed plastering mortar in which stone powder replaces part of fly ash. Background technique [0002] Dry-mixed mortar is usually called hydraulic cement mixed mortar, which refers to a granular or powdery physical mixture of dry-screened aggregates, inorganic cementitious materials and additives in a certain proportion, packed in bags or It is transported to the construction site in bulk and can be used directly after mixing with water. Dry-mixed mortar plays the role of bonding, lining, protection and decoration in thin layers in the construction industry, and is widely used in construction and decoration engineering. The preparation of dry-mixed mortar requires the consumption of a large amount of natural sand. my country is a big iron and steel cou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B28/06C04B18/12
CPCC04B18/12C04B40/0042C04B7/02C04B7/32C04B7/323C04B18/08C04B2103/302C04B20/026Y02W30/91
Inventor 俞向东蔡正国蔺情钱伟
Owner NANTONG TIEYUE BUILDING MATERIAL TECH CO LTD
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