Heating development in all countries of the world

Russia:

Central heating was originally used in the former Soviet Union, so Russia's heating technology has a long history of development. Since most of Russia's territory is in the cold zone, the State also attaches great importance to the development of heating technology. At present, Russia is also one of the world's more developed central heating countries, whether from the amount of heat load, the length of the heat network, the size of thermal power plants, or from all aspects of heating comprehensive technology to measure, Russia occupies an extremely important position in the international arena. Moscow central heating system is the largest heating system in the world, according to 1980 statistics, the urban area has 14 thermal power plants, heating units 18 units, a total capacity of 5.85 million kw, the total heating capacity of 45200 Giggio/h. When the outdoor temperature reaches the cold period, the peak-regulating boiler which needs to be put into operation of the system reaches 71 units, and the heating capacity is 41100 Giggio/h. The hot mesh trunk is more than 3,000 km long, heating more than 500 industrial enterprises and more than 40,000 buildings in the city. Hot Mesh design supply, backwater temperature of 150 ℃/70 ℃, hot water network and heating users are mostly connected by direct connection mode. Thermal Power Plant heating system accounts for 60% of the city's heat, the rest by the regional boiler room heating, urban central heating and rate of 100%.

Japan:

In recent years, Japan's heating technology has also developed faster, especially in Tokyo as the center of the Kanto region is particularly obvious, has accounted for 60% of the country, Japan's heating products pay more attention to energy conservation and environmental protection, such as the use of thermoelectric supply system, heat storage tank and the use of urban waste heat as energy, to improve energy efficiency. 

South Korea: South Korea's heating technology has a history of about the same as China's, all from the 70 's. However, after decades of development, the positive reference to Finnish heating technology, the advantages and disadvantages, coupled with the support of national policies, and strengthen the ability of independent innovation, South Korea's heating development rate is rapid, the technical level has been far ahead.

Sweden, Denmark, Germany, Iceland: 

Stockholm, the capital of Sweden, central heating penetration rate of 35%, while Denmark's central heating system throughout the country's towns, can be more than 1/3 of the country's residents to heat and supply hot water, these national thermal network design temperature of 120 ℃, the network and hot users connected to indirect connection. After the Second World War in Germany, rebuilding the country on the ruins provided a strong condition for the development of the central heating industry. 

 At present, in addition to Berlin, Hamburg, Munich and other large-scale heating systems, in the Ruhr region and the Lower Rhine, but also the establishment of several cities connected to the intercity heating system. In some countries with earlier industrial development, such as: Britain, the United States, the law. As a result of early multi-regional boiler room heating to develop heating business, so the current regional boiler room heating still occupies a large proportion. For example, the French capital, Paris, is also using a steam pipe network to heat about 4000 buildings in the city.

 According to 1985 statistics, the central heating system consists of eight regional steam boiler rooms, three large burning waste boiler room and a thermal power plant. The Danish economy has grown by 70% per cent since 1970, but total energy consumption has remained at the level of the last century and 70, thanks to the high efficiency of energy use and improvements in building insulation technology. For decades, no effort has been spared to develop cogeneration, with thermal power plants and waste incinerators built for central heating in every major city. Cogeneration, natural gas and renewable energy meet 3/4 of the country's thermal load demand Iceland, which is cold all year round and has a lack of resources, but geothermal resources are indeed very rich. 85% per cent of the country's homes are heated with geothermal heat.

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