GLAND SEAL SYSTEM
在汽轮机转子穿过外缸的部位，必须采取措施用以防止外部空气漏入汽缸，从而影响排汽缸的真空，同时也必须防止汽缸内蒸汽漏出汽缸，漏入前轴承箱容易造成油中带水，漏至汽机房破坏汽机房环境。汽轮机的汽封系统就是为了完成这一功能而设置的。Measures must be taken at the portions where the turbine rotor passes through the outer casing to prevent the air leakage from outside into the casing and affect the vacuity of the exhaust hood. In the meantime, the steam inside the casing must also be prevented from its leakage to the outside, especially, to the front bearing box to lead to a mixing of the lubricatio ...