制冷装置因密封不严、或维修机器、设备以及放油、放空气时,要损失一部分制冷剂,使得制冷系统中的制冷工质不足,必须补充制冷剂。维修制冷设备或其他原因,需从制冷系统中抽出制冷剂。不管是加氨,还是从制冷系统中抽去氨液。一般氨瓶与加氨站之间都用橡胶管连接。我省曾发生两起因橡胶管老化而导致跑氨事故。 Refrigeration equipment due to unsystematic sealing, or maintenance of machinery, equipment and put the oil, air to lose some of the refrigerant, making the refrigeration system in the lack of refrigerant, you must add refrigerant. Maintenance of refrigeration equipment or other reasons, the need to extract refrigerant from the refrigeration system. Either ammonia or ammonia from the refrigeration system. General ammonia bottles and ammonia stations are connected with a rubber tube. There have been two accidents in our province caused by the aging of rubber pipes leading to ammonia.