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Dry-mixed mortar containing sintering dry desulfurization ash and recycled water plant sludge

A technology of dry desulfurization ash and dry powder mortar, which is applied in the field of dry powder mortar, can solve the problems of high manufacturing cost of dry powder mortar, and achieve the effects of low production cost, simple preparation process and stable performance

Inactive Publication Date: 2020-09-22
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a dry powder mortar containing sintering dry desulfurization ash and recycled water plant sludge and its preparation method to solve the technical problem of high manufacturing cost of the existing dry powder mortar

Method used

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  • Dry-mixed mortar containing sintering dry desulfurization ash and recycled water plant sludge
  • Dry-mixed mortar containing sintering dry desulfurization ash and recycled water plant sludge

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Embodiment Construction

[0025] Below in conjunction with Examples 1-5, the present invention will be further described.

[0026] A dry powder mortar containing sintered dry desulfurization ash and recycled water plant sludge, the mass percentage of its raw material components is: 20% to 28% of sintered dry process desulfurized ash, 30% to 40% of recycled water plant sludge, sand 20% to 28%, cement 10% to 12%, fly ash 6% to 7%, nano aluminum powder 1% to 3%, sodium sulfate 0.1% to 0.6%, the sum of the mass percentages of each raw material component is 100% . The proportioning ratio of raw materials of the embodiment of the present invention is shown in Table 1.

[0027] The sand used in the embodiment is common river sand with a particle size of 0.12-0.25mm.

[0028] Above-mentioned a kind of preparation method that contains sintering dry method desulfurization ash and the dry powder mortar of recycling water plant sludge, comprises the following steps:

[0029] 1) Weigh the raw materials sintering...

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Abstract

The invention discloses a dry-mixed mortar containing sintered dry desulfurization ash and recycled water plant sludge and a preparation method thereof, and solves the technical problem of high manufacturing cost of the existing dry-mixed mortar. According to the technical scheme, the dry-mixed mortar containing sintering dry desulfurization ash and recycled water plant sludge comprises the following raw material components in percentage by mass: 20 to 28 percent of sintering dry desulfurization ash, 30 to 40 percent of recycled water plant sludge, 20 to 28 percent of sand, 10 to 12 percent ofcement, 6 to 7 percent of fly ash, 1 to 3 percent of nano aluminum powder and 0.1 to 0.6 percent of sodium sulfate, wherein the sum of the mass percentages of all the raw material components is 100 percent. The dry-mixed mortar provided by the invention is simple in preparation process and low in production cost, so that the invention achieves value-added utilization of sintered dry-process desulfurized ash, recycled water plant sludge and fly ash.

Description

technical field [0001] The invention relates to a dry powder mortar, in particular to a dry powder mortar containing sintered dry desulfurization ash and recycled water plant sludge and a preparation method thereof, which belongs to the field of comprehensive utilization of dry powder mortar and solid waste resources in the field of building materials. Background technique [0002] In the field of building materials, compared with masonry mortar, dry powder mortar has the following characteristics: ①The plastering layer does not bear load; ②The plastering layer and the base layer must have sufficient bonding strength, so that it can be used during construction or long-term. It will not fall off or crack under the influence of the environment; ③The plastering layer is mostly a thin layer, and it is applied in layers. [0003] In order to ensure the workability, sag resistance, early strength, and construction convenience of dry-mix mortar, and facilitate the improvement of ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
CPCC04B28/144C04B7/02C04B18/0427C04B14/06C04B18/08C04B22/04C04B22/147
Inventor 王忠青洪建国
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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