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Processing technology of baking-free bricks

A technology for processing and non-burning bricks, applied in the field of designing and building concrete, can solve the problems of unreasonable concrete mix design, high cost, inability to meet the needs of production and life, etc. reasonable effect

Inactive Publication Date: 2018-03-09
蔡建华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing concrete mix design is unreasonable and cannot be applied to the needs of existing production and living, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The invention relates to a processing technology of non-fired bricks. The concrete is uniformly mixed with the following raw materials: sand 70~80, cement 7~12, lime 5~15, straw 0.5~1, additive 0.5~1 . 5. The sand is river sand or mountain sand, which is used to make non-burning bricks. The cement uses ordinary silicon broken salt cement as the cement, and slag cement or fly ash cement is used. Calcium oxide is used for lime, and fly ash is used as wet cement. For ash and dry ash, first, mix sand, cement, lime, straw and water according to the ratio, add additives and stir for 5 to 10 minutes, put it into a mold for molding, cut, and remove the mold after reaching the mold removal strength for natural maintenance.

[0015] The additives are triethanolamine and sodium sulfate. The fly ash binder is based on the organic binder sodium carboxymethyl cellulose, mixed with thickeners, enhancers and preservatives to become an organic binder for pellets, or added with oxidants,...

Embodiment 2

[0017] The concrete is uniformly mixed with the following raw materials: 70% sand, 70% cement, 5% lime, 0.5% straw, and 0.5% additive.

Embodiment 3

[0019] The concrete is uniformly mixed with the following raw materials: sand 80, cement 12, lime 15, straw 1, additive 1.5.

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Abstract

The invention discloses a processing technology of baking-free bricks. The concrete is prepared by evenly mixing the raw materials by a mixture ratio: 70-80 of sand, 7-12 of cement, 5-15 of lime, 0.5-1 of straw and 0.5-1.5 of additives, wherein river sand or mountain sand is adopted as the sand for making the baking-free bricks, slag cement or fly ash cement is used as the cement which adopts ordinary Portland cement as a cementing material, calcium oxide is used as the lime, the used fly ash is wet ash or dry ash. The processing technology comprises the steps of firstly, evenly stirring the sand, the cement, the lime, the straw and water according to the ratio, adding the additives into the mixture, and stirring for 5-10min; putting the product into a mould, molding and cutting; removingthe mould when the product reaches mould removal strength, and carrying out natural curing. The freezing resistance disturbed compressive strength torsional loss of the baking-free bricks is not greater than 25%, the water resistance and water saturation strength of the baking-free bricks are 5.0-10.0MPa, and the water absorption rate is more than 20%.

Description

technical field [0001] The invention relates to the technical field of design concrete for construction, and in particular relates to a processing technology of unfired bricks. Background technique [0002] Concrete is a general term for engineering composite materials in which aggregates are cemented into a whole by cementitious materials. Generally speaking, the term concrete refers to the cement concrete obtained by using cement as the cementitious material, sand and stone as the aggregate; mixed with water (may contain admixtures and admixtures) in a certain proportion, and stirred. concrete. Concrete is the most widely used and used building material in civil engineering. Design and manufacture concrete according to the predetermined performance, and develop new varieties of lightweight, high-strength, and multi-functional concrete. [0003] The existing concrete mix design is unreasonable, cannot be applied to the needs of existing production and life, and the cost ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B28/02C04B28/08
CPCC04B28/04C04B28/021C04B28/08C04B14/06C04B22/064C04B18/24C04B24/122C04B22/147
Inventor 蔡建华
Owner 蔡建华
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