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牡丹江市采用芬兰先进技术和设备建设的国家“三北”地区供热示范项目,铁南区集中供热工程,于1991年10月7日,投产试运一次成功。该系统是由多热源组成的环状间接式供热网,采用变速循环泵量调与质调相结合的自动调节方式,管道采用予制保温管直埋敷设方式,并且热力点采用了芬兰的板式换热器。1991年供热面积90万平方米,总投资约3亿元。由装机容量2.5万千瓦的牡丹江第一热
Mudanjiang City has adopted the state-of-the-art “Three North” district heating demonstration project built on Finland’s advanced technology and equipment, and the Tienan District centralized heating project. On October 7, 1991, the trial operation was successfully completed. The system is a circular indirect heating network composed of multiple heat sources. It adopts the automatic adjustment method of variable-speed circulating pump volume adjustment and quality adjustment. The pipeline adopts a prefabricated insulation pipe for direct burial, and the thermal point adopts Finnish. Plate heat exchanger. In 1991, the heating area was 900,000 square meters and the total investment was about 300 million yuan. The first heat of the Mudanjiang River with an installed capacity of 25,000 kilowatts