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Abstract: Practice Has Proved That Foamed Cement Has Good Sound Insulation Properties

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Use foam cement to make an insulation layer for roof insulation and exterior wall insulation. Can replace other insulation materials such as polystyrene (styrene board). It has unparalleled thermal insulation performance, structural layer bonding performance and convenient construction. , environmental protection, time saving, efficiency enhancement and many other functions. This technology is very popular in South Korea and has also been widely used in coastal cities in northern my country and has achieved very good results. It has begun to spread in western and southern my country. Foamed cement bricks are used in this area to achieve the effect of roof insulation and exterior wall insulation.

Practice has proven that foam cement has good thermal insulation, heat insulation, sound insulation, light load-bearing and other properties, and is superior to other lightweight solid plastic expanded perlite, ceramsite, asbestos products and other insulation materials. It is easy to operate, has a high degree of mechanization, saves time and effort, and mechanical vertical pipeline transportation shortens working time and can improve work efficiency 6-10 times compared with other methods.

The use of foam cement as roof insulation material mainly solves the problem of greatly improving the bonding force and adhesion between the insulation layer and the base layer. In the past, floor heating construction mostly used benzene board as the insulation layer, which could not be combined with the original base layer. The surface is well bonded, but there is no effective bonding, resulting in delamination, hollowing, cracking and other disadvantages. The foam cement body is used as the insulation layer, so that the foam cement insulation layer can fill the small uneven base surface of the original floor and can be firmly grasped to form strong adhesion properties. After construction, the original surface layer can be basically leveled, which will facilitate the surface layer construction in the next process and ensure uniform thickness of the surface layer to achieve the overall effect.

In addition, the original insulation layer of the benzene board will appear defects after 1-2 years of use. Due to long-term weight-bearing, it will gradually sink after being stressed, especially after 1-2 years of use after decoration. Subsidence and cracks of 5-10mm often appear on the original surface. In severe cases, it may even cause damage to the heating pipes and cause water leakage. But if foam cement is used as the insulation layer, this phenomenon will not occur at all. The compressive strength of foam cement is higher than that of benzene board, so the advantages are very obvious.

At the same time, all walks of life are paying more and more attention to environmental protection and hygiene. Styrene sheets are used as insulation. When heated, polystyrene (styrene sheets) will rise as the temperature increases, as will residual benzene and hydrocarbons. High, especially during heating in winter, the doors and windows are closed tightly, the air circulation is very poor, and the indoor air cannot be replaced, which is bound to cause certain harm to the human body. This is not the case with roof insulation made of foamed cement. The raw material of cement foaming agent is vegetable fatty acid, and the complex is water-soluble. Therefore, it is a safe, environmentally friendly and hygienic product that will not cause harm to the human body. This is also an important selection factor that people pay attention to.

Through discussion, research and extensive practice on cement foaming technology, we have concluded that it is far superior to other insulation materials in terms of thermal insulation, bonding, load-bearing, environmental protection, and hygiene. Especially suitable for large-scale projects and high-tech projects. On-site floor production and construction is convenient and fast. Floor heights can also be lowered. From the perspective of building structure design, this alone can reduce the unit cost and save the total project cost.

HT cement foaming machine is widely used in roof insulation (roof insulation) projects. The use of foam materials on the roof can play a role in heat preservation and insulation. Its thermal insulation effect is 20-30 times that of ordinary materials. The indoor temperature of the attic can be basically consistent with the indoor temperature of other floors, so that it can be warm in winter and cool in summer.

This machine is an ideal equipment for producing lightweight foam cement. This cement mortar machine fills the domestic gap. It is the most advanced technology in the country that is scientifically designed and manufactured, integrating hydraulic system, pneumatic system, quantitative conveying, photoelectric control and other advanced technologies. The construction operation is automated, integrating feeding, water adding, foaming, mixing and foaming, and high-pressure transportation. Easy to operate, stable performance and good foaming effect. The daily construction volume of a machine can reach 3,000-5,000 square meters, the high-pressure conveying height is more than 150 meters, and the horizontal conveyance is more than 900 meters. The quality of the lightweight foamed cement produced by this equipment is guaranteed. The density can be adjusted arbitrarily between 250-/m3 according to user requirements. The intensity can reach 0.6Mpa. The construction surface can reach the natural level. All types of cement can be directly pasted after solidification. Floor heating materials are the most advanced equipment necessary for floor heating construction. In addition to being used in floor heating construction, this foaming machine can also give full play to the performance of the equipment and produce a large number of more cement foam and sunshade products, such as various specifications of cement foam boards, cement foam bricks, and building materials. Floors, roofs. The use of foam on the roof provides insulation. The thermal insulation effect is 20-30 times that of ordinary materials. The indoor temperature on the top floor can be basically consistent with the indoor temperature on other floors. Warm in winter and cool in summer. Roofs poured with foam cement also have good anti-seepage effects. Adding an appropriate amount of additives has a strong waterproofing effect and can replace other waterproofing materials to solve the long-standing roof leakage problem. It is a kind of efficient thermal insulation, heat insulation and waterproof material with low cost and simple process. It can be used for insulation, moisture-proof, and anti-corrosion of various pipelines such as walls, water pipes, heating pipes, and oil pipelines. It can also be used for anti-freeze and anti-corrosion of tap water and sewage pipes, effectively extending the service life of the pipelines. It is also suitable for filling internal gaps in tunnels and mines, as well as for insulation in low-temperature cold storages and air-conditioning storages.

Especially after construction is completed, using mortar pipes to transport mortar and concrete as a filling layer has its advantages. It can avoid the tedious work of manual loading and unloading such as mixing and lifting hopper trucks, save manpower and working hours, and improve the progress of the project.