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A kind of foam concrete mixing method

A technology of bubble concrete and a method for making it, applied in the field of bubble concrete, can solve problems such as mixing a large amount of air, and achieve the effects of reducing bubble bursting, improving thermal insulation, and reducing stirring intensity

Active Publication Date: 2019-12-03
HEBEI SANSHAN BUILDING MATERIALS TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for mixing air bubble concrete to solve the technical problem that a large amount of air will be mixed in the mixing process of air bubble concrete existing in the prior art

Method used

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  • A kind of foam concrete mixing method

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Embodiment approach

[0029] Further, as a specific embodiment of the method for mixing cellular concrete provided by the present invention, the foaming agent includes a mixture of one or more of animal protein foaming agents and vegetable protein foaming agents .

[0030] Further, as a specific embodiment of the method for mixing air cell concrete provided by the present invention, in the concrete slurry mixed, the concrete slurry includes water, cement, aggregate and admixture, and the admixture is A quick-setting agent, the quick-setting agent is a mixture of sulfoaluminate slag cement and a shrinkage reducing agent, and the admixture accounts for 3% to 5% of the mass of the concrete slurry.

[0031] Furthermore, as a specific implementation of the method for mixing air cell concrete provided by the present invention, in the mixing concrete slurry, the stable gas includes one or more of nitrogen and inert gas. Gases such as nitrogen or inert gas do not chemically react with the substances in the ...

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Abstract

The invention provides a foam concrete mixing method, belonging to the technical field of foam concrete. The method comprises the following steps: generating bubbles: filling foaming liquid with stabilized gas to make bubbles; mixing concrete grout; mixing the bubbles with the concrete grout: continuously pumping the bubbles from the lower part of the concrete grout, and stirring while pumping so as to enable the bubbles to be distributed in the concrete grout. According to the method, the bubbles are pumped from the lower part of the concrete grout, so that the bubbles have the trend of ascending under the action of buoyancy and can be evenly distributed in concrete in the processes of continuous replenishment and stirring; the method can be used for reducing the stirring strength while preventing the bubbles from being mixed with air, thus reducing the air incorporation into the concrete and bubble breakup, enabling the purity of the stabilized gas in the bubbles to be at a higher level, and guaranteeing the quality of the foam concrete.

Description

technical field [0001] The invention belongs to the technical field of air cell concrete, and more specifically relates to a method for mixing air cell concrete. Background technique [0002] Cellular concrete is to fully foam the foaming agent mechanically through the foaming system of the foaming machine, and evenly mix the foam and cement slurry, and then carry out cast-in-place construction or mold molding through the pumping system of the foaming machine. A new type of lightweight thermal insulation material containing a large number of pores formed by curing, cellular concrete has a good application prospect. Cellular concrete has the following characteristics: 1) Lightness: the dry volume density is 300-1600KG / M3, equivalent to about 1 / 5 to 1 / 8 of ordinary cement concrete, which can reduce the overall load of the building; 2) Integrity: can On-site pouring construction, closely combined with the main body, without leaving boundary gaps and vent pipes; 3) Low elastic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/02C04B38/02C04B111/20C04B111/40C04B111/52
CPCC04B28/02C04B2111/20C04B2111/40C04B2111/52C04B14/02C04B7/32C04B2103/0068C04B38/02C04B38/103
Inventor 张艮中封卫国
Owner HEBEI SANSHAN BUILDING MATERIALS TECH
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