Autoclaved aerated concrete material prepared by adding saponin air entraining agents
A saponin-based air-entraining agent, autoclaved air-entraining technology, applied in ceramic products, applications, household appliances, etc., can solve the problems of low slurry water-material mixing ratio, low pass rate of block products, poor pouring stability, etc. Achieve good sound absorption and sound insulation effects, high masonry strength utilization coefficient, and not easy to shrink the blank
Active Publication Date: 2014-11-05
FUZHOU UNIV
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Problems solved by technology
[0004] At present, in the production process of air-entrained concrete, the mixing ratio of slurry to water is low, the pouring stability is poor, and the phenomenon of slurry mold collapse and green body shrinkage is very easy to occur. Block products generally have low pass rate, high bulk density, and low compressive strength. , Large and uneven pores, less pores, high thermal conductivity, short fire resistance limit, poor durability, etc.
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Embodiment 1
[0041] The remaining amount is mixed with water, stirred several times, controlled the temperature of the slurry, and when the temperature was ≥49 ° C, the water -soluble aluminum powder ointment 2.3 kg, the saponin air induction agent (with saponin) 0.35 kg and water 2.0 kg 2.0 kgThe formation of suspension, stirring for several times to control the slurry extension, when the extension is ≥50 cm, the content of the pulp injection is 3.24 m 3 After the mold is completed, the mold is moved to the quiet stop room for several time. After the body meets the solidification requirements, remove the quiet parking room, cut out the mold according to the product specifications, and the mold is moved to the high temperature of the steaming kettle., To accelerate the development of hydrated minerals and promote the post -intensity development of the body. After the product is out of the kettle, it has been raised for 7 days in the warehouse to make light porous steaming pressure and reinforc...
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Abstract
The invention provides an autoclaved aerated concrete material prepared by adding saponin air entraining agents. The autoclaved aerated concrete product is prepared by using calcium and siliceous materials as main raw materials, doping gas generating agents, regulating agents and air entraining agents, and carrying out hydration reaction, mold forming by pouring, blank forming by procuring, forming by cutting, autoclaved curing and out-kettle processing. The dry density, compressive strength, mean pore diameter, mass loss rate after freezing, comprehensive strength loss rate after freezing, dry heat conductivity coefficient and percent of pass of the product are respectively 235-790kg / m<3>, 0.6-10.1MPa, less than 0.48mm, less than 4.8%, less than 19%, 0.07-0.19W / (m.K) and more than 95% and are higher than the requirements, which are formulated in the national standards, of superior products of autoclaved aerated concrete blocks. By adding a small quantity of saponin air entraining agents, the ratio of water to material, unit aluminium powder gas evolution and pouring stability in the production process and the volume, strength and quality of the product can be obviously increased. The material is novel in conception, rich in raw materials, simple in process and low in cost, is convenient to implement and has greater generalization performance.
Description
Technical field [0001] The present invention is a steam pressure and gas -reinforced concrete material prepared by adding saponin air induction, which involves green chemical preparation of gas -added concrete. It is a new type of environment -friendly fine chemical material and green environmental protection and energy -saving building materials. Background technique [0002] The development of new wall materials is the strategic needs of promoting the sustainable and healthy development of my country's economic society and the construction of ecological countries.Aerated concrete is a new type of green and environmentally friendly energy -saving material. It refers to the formation of calcium materials and silicon materials as the main raw material, which is mixed with air -based reactions, pouring molding, pre -cutting, steaming pressure maintenance and other processes formed.Pilling new wall materials.Aerated concrete is a new type of environmental protection and energy -savi...
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IPC IPC(8): C04B28/10C04B38/02C04B24/10
Inventor 陈剑锋陈浩李娜
Owner FUZHOU UNIV
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