①　　锦州站加冰所地处东北铁路网南部的出入关咽喉，原为天然冻冰场，每年加冰期为６个月。随着国民经济的发展，保温车运量逐年增加，天然冻冰数量难以满足需要。该工程于１９９２年进行设计，并于当年动工，１９９３年４月竣工投产。１　施工设计方案在施工设计前调查了干 ① Jinzhou Station Ice Station is located at the entrance and exit of the northeast railway network. It was originally a natural ice rink, with an annual ice period of 6 months. With the development of the national economy, the volume of insulation trucks has been increasing year by year, and the quantity of natural frozen ice can hardly meet the needs. The project was designed in 1992, and started in the same year, completed and put into production in April 1993. A construction design survey in the construction design before the dry