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Wall body cement with characteristics of adsorption decontamination, high bonding and environmental protection, and preparation method thereof

A high-viscosity, wall technology, which is applied in the field of cement preparation, can solve the problems of difficult hanging of ash on the wall facade, emission, and lower insulation quality, so as to purify the air environment and traffic pollution, increase the specific surface area, and improve the strength The effect of grade

Active Publication Date: 2015-03-04
BEIJING SAIDELI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, foam concrete wall insulation projects account for more than 70% of the market, but the cement used in foam concrete has not been modified, and the cement is prone to cracking during the hydrothermal process, and the adhesion performance is poor, because the cement has no adhesion at the initial stage , it is difficult to hang dust on the facade of the wall. During production, rubber powder is added to the cement. There are many types of rubber powder. Generally speaking, rubber powder is an organic compound and has emissions.
In the early stage of cement hydration, water molecules are discharged, forming micropores and poor sealing performance. The ethylene foam particles and fly ash in the material have strong water absorption. When it rains, water absorption increases the weight of the wall, reduces the insulation quality, and affects insulation materials. service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Put 400 parts of cement clinker, 450 parts of base material, 50 parts of dihydrate gypsum, and 55 parts of silica fume into the grinder, grind to 500 mesh, and transport them to the mixer, then add 15 parts of modifier, tackifier 25 parts and 5 parts of reinforcing agent are successively thrown into the mixer and mixed evenly to prepare the wall absorption and decontamination high bonding environmental protection cement. Used in wall insulation, compared with Portland 425 strength grade cement. It saves one-third of the cement and reduces the use of cement plus rubber powder. It has high adhesion, good adhesion, tightness and ease of construction, far exceeding the requirements of foam concrete insulation materials.

Embodiment 2

[0022] Put 400 parts of silicate clinker, 200 parts of acid-hydrolyzed palygorskite, 65 parts of silica fume, and 45 parts of dihydrate gypsum into a grinder and grind them to 800 mesh, and then transfer them to the mixer and add 5 parts of sodium sulfate , 6 parts of sodium sulfonate, tackifier, 28 parts of calcium lignosulfonate, and 7 parts of sugar glycosides are put into the mixer in turn, mixed evenly and packaged, and the wall adsorption high-adhesion environmental protection cement is obtained.

Embodiment 3

[0024] Put 470 parts of silicate clinker, 400 parts of zeolite, 50 parts of dihydrate gypsum, and 50 parts of silica fume into a grinder to grind to 600 mesh, transport them to the mixer, and then add modifier (5 parts of sodium sulfate , 6 parts of sodium benzenesulfonate mixture) 11 parts, 30 parts of tackifier, 4 parts of reinforcing agent (3 parts of calcium lignosulfonate, 1 part of sugar) were put into the mixer in turn, mixed evenly, packaged The wall absorbs high-adhesive environmental protection cement. The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, th...

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PUM

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Abstract

The invention discloses a wall body cement with characteristics of adsorption decontamination, high bonding and environmental protection, and a preparation method thereof, and relates to the technical field of cement preparation. The wall body cement comprises the following raw materials: 400-500 parts of a silicate clinker, 300-400 parts of a base material, 55-88 parts of silicon ash, 45-85 parts of dihydrate gypsum, 25-40 parts of a tackifier, 5-18 parts of a modifier, and 4-8 parts of a reinforcing agent. The wall body cement has the following beneficial effects that: the inorganic silicate clinker and the ore having the strong cation exchange and the strong adsorption performance are adopted, soaking with hydrochloric acid is performed, and high temperature baking is performed so as to increase the particle specific surface area and enhance the environmental protection performance of the adsorption performance improved cement; and the mixed milling with the silicate clinker balls can further produce the mechanical chemical reaction so as to change the activity of the system mineral, such that the gelatinization particles in the hydrate are increased, and the cement strength grade is increased.

Description

technical field [0001] The invention relates to the technical field of cement preparation, in particular to a high-adhesion environmental-friendly cement for absorbing and decontaminating walls and a preparation method thereof. Background technique [0002] At present, the base of the wall of the building is made of cement enamel. Since the cement has no bonding strength in the early stage, it is necessary to add cement admixtures. Most of the cement admixtures are organic compounds, which emit organic harmful gases during the cement hydrothermal conversion process. , Some admixtures are made of mixed rubber, containing harmful substances such as benzene, amines, and formaldehyde. In addition, the bricks and boards used in building walls in construction projects need to be plastered and bonded. In the early days, lime plaster mixed with cement was used as the wall-building adhesive. Due to the large amount of lime used, the cost is high and it is inconvenient to use. In rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B22/14
Inventor 沈礼群黄华忠沈波
Owner BEIJING SAIDELI TECH