Stone conservation industry will usher in new opportunities for development

First, the development of the stone industry

1.1 The four crowns of China's stone

1. Like cement and glass, China's stone is well-known in the world, and the "four big" laurels deserve it. 1. China is a big stone resource country. China's stone resources are rich and widely distributed. There are more than 2,000 kinds of proven stone varieties, and they are still under development. There are stone resources from Changbai Mountain to Wuzhi Mountain. At present, the proven reserves of more than 3,000 mines are between tens of thousands and even hundreds of millions of cubic meters. The resources for mining for hundreds of years will not be exhausted.

2. China is a big country in stone production. According to relevant statistics, China's stone output in 2000 reached 15 million tons, not including the vast amount of stone used for building houses in rural areas. In 2001, the total output value of stone production in China reached more than 100 billion yuan.

3. China is a big stone consumer. In 2000, the total amount of domestic architectural decoration projects shared 60 million square meters of various stone plates, and in 2001 it rose to 100 million square meters.

4. China is a big exporting country, and its stone exports rank first in the world.

1.2 The use of stone

As an ancient building material, stone has been developed from the use of structural materials in the past to the main building materials with its external charm and inner simplicity;

The growth of the real estate industry is accelerating, and the high-end hotels, hotels, and office buildings are constantly being put into use. The natural, thick, durable, natural charm and original beauty of the stone bring people the taste of life and the feeling of returning to nature. With the advancement of material processing technology, stone is widely used in the field of architectural decoration, marble, granite, sandstone, vitrified brick, microcrystalline stone, artificial stone, terrazzo, etc., more and more decorative stone is designed and selected as Wall, floor, landscape, etc. The extensive use of various stone materials has contributed to the quiet formation of the stone conservation industry and its market.

1.3 Development of stone care industry

1. Classification of the main business of stone care

The main business of stone care can be subdivided into three parts: stone conservation, stone disease treatment, and stone daily cleaning care. The classification is based on the three concepts of “prevention”, “treatment” and “health care”. These three concepts can be integrated into the various stages of stone mining, processing, paving, and daily use.

2. The importance of the stone care industry

The stone care industry is a derivative industry of the stone industry. The development of the stone industry and the extensive use of stone are the decisive factors in the development of the stone care industry. The stone care industry is an inevitable outcome of the development of the stone industry to a certain extent. It is an indispensable industry that has emerged with the extensive use of stone in recent years. As an emerging industry, stone care is receiving more and more attention from all aspects, and there is much room for improvement in technology and market demand.

Second, the problems and advantages of the stone conservation industry

2.1 Analysis of current problems in stone conservation

Stone care involves organic chemistry, inorganic chemistry, petrology, mechanics, grinding, optics, beauty

In addition to the disciplines, the stone care industry can be understood as a derivative industry mainly for stone decoration. In a sense, the stone care industry is also a cross across the stone processing industry, decoration industry, property, cleaning industry and real estate industry. And marginal industries.

There are many levels involved, and the professional quality requirements of the practitioners in the stone conservation industry are also extremely high.

The domestic stone care industry started late, but it has developed rapidly. Huge cakes attract a lot of attention, from property management, cleaning and cleaning, stone care professional companies to squadrons, from stone suppliers, decoration company professionals to buying used machines, carrying small buckets to come on the scene Professionals, entrants are flocking and lingering. However, there are very few practitioners who have undergone formal system training; it has greatly restricted the healthy development of the stone care industry and the credibility of the market. In order to better implement the provisions of the "Technical Regulations for the Application of Stone in Building Decoration Engineering" and develop the maintenance industry, we first analyze the current problems in the maintenance industry:

1. Limitation of professional knowledge: As a stone conservation industry that has just emerged, most owners do not have or have little professional maintenance knowledge. Many owners still stay in the practice of “waxing” in terms of maintenance; renovation, grinding and leveling, protection knowledge Little is known about the characteristics of the porous material of stone; even from the installation to the daily maintenance, the decorative stone has brought many undesired diseases, which greatly restricts the supervision of the construction enterprise by the owner. Indulge the construction company's free-spirited construction mentality. Most of the owners still don't know that the stone needs nursing, no maintenance, no attention to maintenance or maintenance failure, and the scene of the decorative stone is still unbearable and still used everywhere; the scene of the replacement is not uncommon, not only wastes resources, but also adds decoration. cost. It even affects regular operations.

Water Reducer mainly is used for cement in construction field.  Used for and widely for self-cured, vapor-cured concrete and its formulations. At the early stageof application, extremely prominent effects are shown. As the result, the modulus and site utilization can be drastically, the procedure of vapor cure is omitted in peak-heatsummer days. Statistically 40-60 metric tons of coal will be preserved when a metric ton of the material is consumed.The new raw material is researched and produced by ourselves, which is mainly used in theproduction of polycarboxylate superplasticizer products.   

Remarkable plasticity:  as a condition of blending where amount of cement and collapsibility are fixed aforehand, mixing water can be decreased by 18-28% when it is admised with reinforced concrete at 0.5-1.0%. Ststistically, compression strendth on the 1st day, the 3rd day and the 28th day after single application is increased by 60-90% and 25-60% respectively when it is added at standard blend dosage. As the result, compression strength, tensile strength, bucking strgth and modulus of elasticity will be improved to some extent.

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