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一、一汽集中供热概况及特点 长春第一汽车制造厂(以下简称一汽)的热水网是五五年建成投入运行的我国第一个初具城市规模的热网,三十年来随着汽车生产年产量由设计三万辆发展到年产八万辆,供热面积由52万米~2增大至248万米~2,目前热水网干管全长38公里,最远供热半径4公里,最大供热管径700毫米,最大采暖负荷194千兆卡/小时,成为国内较大规模的集中供热网路之一。
I. General Situation and Characteristics of FAW Central Heating Supply The first hot water network of the First Auto Manufacturing Factory of Changchun (herein referred to as FAW) is the first urban-scale heating network put into operation in China in the past 35 years. The annual production capacity has increased from the design of 30,000 vehicles to the annual production of 80,000 vehicles. The heating area has increased from 520,000 meters to 2.48 million meters to 2. The total length of the hot water network main pipe is 38 kilometers, and the maximum heating radius 4 kilometers, the maximum heating diameter is 700 mm, and the maximum heating load is 194 giga calories/hour, which has become one of the larger-scale centralized heating networks in China.