Copper Tube Is A Pipe With Excellent Performance

Copper pipes have a long history of application in construction and are recognized as excellent pipes that have been thoroughly tested over 100 years of time and practical experience. As a water supply pipe, heating pipes and gas pipes, etc., it is unique.

Copper water pipe

Copper pipes have the following advantages:

1. Durable - Copper has stable chemical properties and combines cold resistance, heat resistance, pressure resistance, corrosion resistance and fire resistance. It can be used in different environments for a long time. For example, the copper pipes used in Ruijin Hotel and Concord Hospital have been able to perform well for 80 years.

2. Safe and reliable - copper tube combines the advantages of metal and non-metal pipe. It is harder than plastic and has a high strength of general metal. It is more flexible than ordinary metals, has good toughness and high ductility, and has excellent anti-vibration, anti-shock and anti-frost properties.

The copper tube can withstand the temperature range of -196 degrees to 205 degrees, and adapts to high and low temperature changes, the performance will not be reduced due to long-term use, and will not cause aging. Therefore, the extremely strong resistance to low temperature brittleness of copper pipes is particularly suitable in cold regions.

3. Health and health - biological research shows that: E. coli in the water supply can no longer continue to breed in the copper pipeline; more than 99% of the bacteria in the water was completely killed after entering the copper pipeline for 5 hours. This outstanding biological performance is due to the presence of trace amounts of copper dissolved in water, and the body's intake of moderate amounts of copper through drinking water is also beneficial (copper is an indispensable trace element in the human body).

The copper tube structure is extremely dense and impervious. No harmful substances can pass through it and pollute the water.

Copper pipes are widely used in developed countries in Europe and America. For example, in the United States, copper pipes have been the dominant pipe in the water supply system for decades. In 2000, the newly installed copper pipes in the United States reached 336 million meters. The American Copper Development Association has been tracking the use of copper pipes since 1963. In the past 40 years, the United States has installed a total of 8.6 billion meters of copper pipes, which can be around 200 times the Earth.

From the perspective of total copper pipe consumption, in the United States in 2000, it was 315,000 tons, in Europe it was 333,000 tons, and in China it was 10,000 tons. From the market share of copper water pipes, the market share of copper water pipes in the United States was 81% in 2000, 52% in Canada, and 51% in Europe. In Asia, Singapore is 67%, and Hong Kong, China is 70%. China is less than 60%.

In China, especially Shanghai, copper pipes were used in buildings in the early days of liberation. In the early days of the founding of the People's Republic, people's living standards were low, and their quality of life was not high. At the same time, due to the needs of national defense construction, copper was used as a strategic material and less in residential buildings. After the reform and opening up, the regulations restricting the use of copper were cancelled. The 1998 edition of the Code for Design of Building Water Supply and Drainage also clarified the application of copper pipes in the provisions for pipe selection.

In fact, the global copper resources are abundant, the land reserves are more than 1.6 billion tons, the marine reserves are estimated to be 700 million tons, and more than 90% of the copper can be recycled. Any tube can be used by people, and the important reason is that it can be recycled and reused without new pollution. The recycling of copper is conducive to environmental protection and is a truly sustainable development of green building materials. This kind of "friendly" nature of the environment is not available in other materials.

The Shanghai Futures Exchange has been established for 10 years. Copper futures and spot prices have already been in line with international standards. The relationship between supply and demand in the domestic copper market has undergone fundamental changes, and copper is no longer a shortage of strategic materials. Like oil resources, we should make full use of global resources to meet our country's economic development needs, and no longer confined to a self-sufficient environment. Another obstacle to the application of copper pipes in construction compared to his pipes is the price issue. After the comparison and calculation of the experts in the actual project in 2000, it can be concluded that the engineering cost of the copper pipe is only slightly more expensive than the common pipe, far from being as high as expected. With the rapid growth of China's economy and the rapid improvement of people's living conditions, everyone has higher requirements for the quality of life. The concept of “Mingshan Treasures, Famous Houses and Copper” has begun to rise quietly, promoting the application of copper tubes. Popularity offers great opportunities. At present, the standard specification for copper pipe application has been established. The copper water pipe is the only recommended product recommended by the Shanghai Residential Development Bureau for the new residential residential menu-style full-renovation pilot project.

The developer's response is also very positive. Many developers have already promoted the application of copper pipes as a prominent selling point, such as “Jun Linyi and Garden” developed by Shanghai Yuanshen Real Estate Development Co., Ltd. Put forward the “12 great reasons for the exciting development”, the first one is “all hot and cold water pipes are laid with copper pipes”! The visionary copper pipe suppliers will also make full use of the developer's model of the building, advertising or home improvement company. Room, decoration menu and other channels to promote their own brands.

In the application of copper gas pipelines, the Foshan area in Guangdong began to use copper gas pipe darkness as early as 1997. In 2001, more than 3,000 households were installed, accounting for about 60%.

Shanghai three gas companies have also actively carried out pilot projects for copper gas pipelines to better meet the safety requirements and aesthetic requirements of users for gas pipeline laying, especially Shanghai North Gas Company and International Copper Association (China), Shanghai The first phase of the pilot project of the Installation Engineering Co., Ltd. “Rhine Peninsula” was successfully completed with the support of the Shanghai Fire Bureau and other relevant departments, which further encouraged and accelerated the pace of expanding the pilot project of the Shanghai gas industry.

Another big area of application is in heating systems. The current heating system requires a good anti-corrosion capability for the radiator and the pipeline during operation, otherwise the life of the system will be greatly shortened, and the maintenance and maintenance costs will be increased. First of all, most of the current radiators can not meet the requirements of users well. For example, steel radiators can not adapt to China's open heating system, aluminum radiators are difficult to overcome alkaline corrosion and electrochemical corrosion, and cast iron radiators cannot meet Household metering requirements..., and copper radiators can solve these problems, the unconditional use of copper makes copper radiators fully meet the requirements of household metering. Moreover, the way of measuring payment will prompt users to pay more attention to the energy-saving effect of the radiator.

Secondly, since 2000, the Chinese government has begun to implement a household measurement system in urban residential water supply systems, and plans to achieve universal access throughout the country by 2010. The implementation of the heating household metering and charging policy will prompt users to switch the heating system frequently, and the indoor pipeline will be subjected to the severe test of thermal expansion and contraction caused by alternating cold and hot. The temperature difference between morning and evening in the severe cold area is large, and the linear expansion coefficient of the ordinary pipe is large and the strength is low, and the stress fatigue cracking due to thermal expansion and contraction is easily generated. Some claim that a 20 ° C is not brittle, but it can not withstand, and the service life is very short, no practical significance. Although insulation measures can be used, it is difficult to avoid low temperatures during transportation, storage and installation.

The performance of the copper tube can be the same at -180 degrees as at room temperature.

Therefore, the strong resistance to low temperature brittleness of copper pipes is particularly suitable in cold heating areas. At present, the household metering and concealed design advocates more need for the safety and reliability of copper tubes and low thermal expansion coefficient.

At the same time, the household plan will shift the burden of heating costs from the state to the market-oriented property management department, so that the life, safety and cost of the system (heat sink + pipeline) will be much higher than before.

The superior performance of the copper radiator allows the system to achieve lower maintenance costs and higher service life.

The copper tube is the best pipe to connect with the copper radiator.

The advantages of copper pipes for solar water heater systems are also very obvious.

First of all, the high temperature resistance is the requirement of the solar water heater for the pipeline. At the same time, because the collector of the solar water heater is placed outdoors, this makes a part of the pipeline exposed, and the pipeline matched with it is required to be frost-resistant, corrosion-resistant and not easy to aging.

Secondly, the main pipelines currently used are aluminum-plastic composite pipes and galvanized pipes. However, galvanized pipes have been banned from use by domestic authorities because they cannot supply domestic hot water. Aluminum-plastic composite pipes have been found to be manufacturers and users due to their high temperature resistance. Reflected cases of being burned.

Furthermore, with the combination of solar water heaters and buildings, copper pipes are likely to be supported by building codes and standards, thus surpassing other pipes to become the best pipes to be combined with buildings, which provides a rapid increase in the use of copper pipes. Opportunity.

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Fever L.//SMC Editor