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Research of combined cooling heating and power systems. 4. District cooling and heating.

[In Chinese. / En chinois.]

Author(s) : YIN P.

Type of article: Article

Summary

District energy supply system is an important part of the combined cooling heating and power (CCHP) system. It is very important and necessary to summarize the experience and lessons of the district energy system, especially the district cooling system, built in China. As to district cooling system, points out that the cold price is not an index to judge the economical efficiency of the district cooling system and heating network is a chief factor affecting the economical efficiency of the system, and the design methods used now need to be improved and advanced; it is not any form of ice storage that is suitable for applying to the district cooling system, and unreasonable application will result in undesirable results; the distribution radius is an uncertain parameter, and it is more important to determine reasonably the energy supply area and the farthest distance of distribution; load density and simultaneous use coefficient determine the system load characteristics of the system, and the system should be properly designed and utilize energy comprehensively; surface water is one of ideal cooling and heating sources for the district energy system, which needs to be fully used according to the local conditions; and natural gas CCHP system is the best choice for district heating in the southern regions of China.

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Pages: 10-17

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 30010314
  • Languages: Chinese
  • Source: HV & AC - vol. 43 - n. 279
  • Publication date: 2013/07

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