工程案例

南航长春龙嘉机库
工程改造项目
 
 
南航长春龙嘉机库(面积4800平方米,高24.6米,机库门宽74米、高20米),是典型的超宽大门钢结构高大空间厂房。改造前,采用美国CRV燃气辐射采暖,冬季(三九天)库内供暖温度低于5℃,其地面温度≤5℃,而棚顶温度≥105℃,大门一开一关,室内温度回复时间需要24小时,机库每年冬季近乎不能正常生产。燃气辐射年供暖运行费264万元左右。设备改造后,实现供水温度45℃、回水温度30℃、供暖温度20℃、温度梯度±1℃,年供暖运行费53万元,成功解决了库内上下温度梯度的问题。
 
南航长春龙嘉机库工程改造项目
 
  南航长春龙嘉机库(高24米,面积4800平方米,机库门宽74米,高20米),冬季三九天库内供暖温度仍低于5℃,其地面温度≤5℃,而棚顶温度≥105℃,常年运行费240万元左右。进行设备改造后,年运行费80万元(含电费),温度可上升到20℃。成功解决了库内上下温度梯度的问题。
 
 
 
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