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An integral pouring method for preparing foamed wall building materials made of recycled solid waste

A solid waste, integral pouring technology, applied in the field of building materials, can solve problems such as waste of resources, inability to drill nails, air pollution, etc., and achieve the effects of reducing pollution, reducing labor force, and reducing energy consumption

Active Publication Date: 2017-11-24
王佳水
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Prior to this, many people have developed and tried this aspect. Concrete aerated foam block bricks have been widely used, but this manufacturing method requires a large investment, boilers and steam must be installed, coal burning is required, and resources are wasted. Polluted air and poor strength prevents nails from being drilled

Method used

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  • An integral pouring method for preparing foamed wall building materials made of recycled solid waste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1: The formula percentage per cubic base material of the whole block casting is as follows:

[0010]

[0011] The overall casting block is equipped with a large mold, after heating the above-mentioned content of magnesium chloride water to 70°C, under the stirring of a strong mixer, add the above-mentioned content of light-burned magnesium powder, phosphoric acid, oxalic acid, and composite water-resistant agent , gypsum powder, aluminum powder, fly ash, and construction waste (or solid waste slag) are stirred vigorously for 6 minutes to make the base material evenly decompose, expand instantly, and then pour it into a pre-designed mold to solidify itself Physically forming, forming The final strength is above 8.2mpa, the compressive strength is high, the thermal conductivity reaches 0.27, the thermal insulation performance is good, the weight is light, the durability is good, the service life is long, easy to process, can be cut, can be nailed, and can be ...

Embodiment 2

[0013] The formula and percentage by weight of the base material per cubic meter of the overall casting block are as follows: 55% to 65% of construction waste (or solid waste slag), 8% to 10% of lightly burned magnesium powder, and magnesium chloride (heated to 70 degrees Celsius in liquefied water). ) 3% to 6%, phosphoric acid 0.5% to 1%, oxalic acid 0.3% to 0.6%, inorganic composite water-resistant agent 0.3% to 0.5%, gypsum powder 2% to 4%, aluminum powder 0.3% to 0.5%, pulverized coal Ash 20% to 30%.

[0014] The integral cast block is fixed by a mould, and the above-mentioned content of magnesium chloride water is heated to 70°C under the stirring of a strong mixer, and the above-mentioned content of light-burned magnesium powder, phosphoric acid, oxalic acid, inorganic composite water-resistant agent, and gypsum are added. powder, aluminum powder, fly ash or construction waste and stir vigorously for 6 minutes. Make the substrate evenly decompose, expand instantly, and ...

example 1

[0017] The specifications of the wall tiles are 24mm long, 11.5mm wide and 5.1mm thick.

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Abstract

The invention relates to the technical field of building materials, in particular to an integral pouring method for preparing foamed wall building materials made of recycled solid waste, which utilizes physical principles and does not use boiler heating and gas addition to make it instantly foam The large-scale block wall building material made by expansion casting is heated by magnesium chloride water, stirred at high speed, and then poured into a large mold for integral casting. The specific investment of the invention is small, no boiler is needed, air pollution is reduced, and the cost is low. Utilizing solid waste, the heat preservation effect is good, the strength is higher than that of aerated blocks, reaching above 8.2mpa, and it turns waste into treasure, and recycles the silicate component in solid waste.

Description

[technical field] [0001] The invention relates to the technical field of building materials, and relates to the technology of using waste materials for building wall filling materials as recycled filling materials, in particular to a lightweight foaming wall building material made from recycled solid waste and a production method. [Background technique] [0002] At present, high-rise buildings are built higher and higher, and generally adopt frame structure, which requires a large amount of building materials for partition walls. In order to reduce the weight of buildings, the demand for lightweight wall filling materials is increasing. The way of building is already well known. At the same time, with the continuous transformation of the city and the vigorous development of industry, more and more construction waste, industrial slag, cinder, slag and other wastes need to be resolved urgently. These wastes contain gold, silver, copper, iron, phosphorus, including a large amo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/02C04B28/32
Inventor 王佳水储国平余俊彪
Owner 王佳水
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