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Aerated concrete block and preparation method thereof

An air-entrained concrete and block technology, applied in the construction field, can solve the problems of high cost, increase labor cost and production cycle, etc., and achieve the effects of reducing production cost, avoiding inadequate environmental protection treatment facilities, and protecting the ecological environment.

Inactive Publication Date: 2015-04-29
王立新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of this kind of sand raw material is not only costly, but also in order to ensure the quality of the final product, the sand entering the factory must be tested and the quality of the purchased sand must be strictly controlled, thus increasing labor costs and production cycles.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An air-entrained concrete block, which is made of dry material, water and an air-generating agent, and the dry material is made of the following raw materials in parts by weight: 60 parts of crystal, 5 parts of cement, 15 parts of quicklime, and 1 part of gypsum ; The ratio of water to material is 0.6; the air-generating agent accounts for 0.04% of the total amount of dry material.

[0024] A method for preparing an air-entrained concrete block, the method comprising the steps of:

[0025] 1) Raw material preparation:

[0026] Crystal: The crystal solid waste is pulverized by ball milling, and the pulverized crystal is screened and tested with a 200-mesh sieve. The sieve residue must be less than 15%; then a certain concentration of crystal slurry is made according to the ratio of water to material, and it is passed through the slurry pump Pump into the slurry storage tank for standby.

[0027] Quicklime: The massive quicklime is transported to the lime shed in the fa...

Embodiment 2

[0043] An air-entrained concrete block, which is made of dry material, water and an air-generating agent, and the dry material is made of the following raw materials in parts by weight: 65 parts of crystal solid waste, 8 parts of cement, 20 parts of quicklime, gypsum 3 parts; the ratio of water to material is 0.62; the air-generating agent accounts for 0.75% of the total amount of dry material.

[0044] A method for preparing an air-entrained concrete block, the method comprising the steps of:

[0045] 1) Raw material preparation:

[0046] Crystal: The crystal solid waste is pulverized by ball milling, and the crushed crystal is screened and tested with a 200-mesh sieve. The sieve residue should be less than 15%; then, according to the water-material ratio, a certain concentration of crystal slurry is made, and the slurry pump Pump into the slurry storage tank for standby.

[0047] Quicklime: The massive quicklime is transported to the lime shed in the factory area for stack...

Embodiment 3

[0063] An air-entrained concrete block, which is made of dry material, water and an air-generating agent, and the dry material is made of the following raw materials in parts by weight: 70 parts of crystal, 10 parts of cement, 25 parts of quicklime, and 5 parts of gypsum ; The ratio of water to material is 0.65; the air-generating agent accounts for 0.1% of the total amount of dry material

[0064] A method for preparing an air-entrained concrete block, the method comprising the steps of:

[0065] 1) Raw material preparation:

[0066] Crystal: The crystal solid waste is pulverized by ball milling, and the pulverized crystal is screened and tested with a 200-mesh sieve. The sieve residue must be less than 15%; then a certain concentration of crystal slurry is made according to the water-material ratio, and the slurry pump is pumped Put it into the slurry storage tank for standby.

[0067] Quicklime: The massive quicklime is transported to the lime shed in the factory area for...

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PUM

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Abstract

The invention relates to an aerated concrete block and a preparation method thereof. The aerated concrete block is prepared from a dry material, water and a gas former, wherein the dry material is prepared from the following raw materials in parts by weight: 60-70 parts of crystals, 5-10 parts of cement, 15-25 parts of quicklime and 1-5 parts of gypsum, wherein the ratio of water to the materials is 0.6-0.65, and the gas former accounts for 0.04-0.1% of the total weight of the dry material. The aerated concrete block provided by the invention has the following beneficial effects: tailings and wastes of a crystal factory are fully utilized, so that the production cost of the aerated concrete block provided by the invention is greatly reduced; and the influence on the surrounding environment caused by three wastes (waste residues, wastewater and waste materials stacked in farmlands and beside rivers) generated by inadequate environmental protection treatment facilities of the crystal factory can be avoided, so that the ecological environment is protected.

Description

technical field [0001] The invention belongs to the field of construction, and in particular relates to an aerated concrete block and a preparation method thereof. Background technique [0002] Air-entrained concrete block is a new type of building material that is lightweight, porous, thermal insulation, good fire resistance, nailable, sawable, planable, and has certain earthquake resistance. Air-entrained concrete blocks are the lighter type of concrete and are suitable for filling walls in high-rise buildings and load-bearing walls in low-rise buildings. The use of this material can reduce the self-weight of the entire building by more than 40% compared with that of ordinary brick-concrete structures. [0003] There are basically three kinds of aerated concrete blocks according to the raw materials: the first is cement, lime, fly ash aerated brick; the second is cement, lime, sand aerated brick; the third is cement, slag, sand aerated brick air brick. In the aerated br...

Claims

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Application Information

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IPC IPC(8): C04B38/02C04B28/14C04B18/04
CPCY02W30/91
Inventor 王仕中
Owner 王立新
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