If the loading platform is feeding material stop feeding immediately. shut off nitrogen valve and release pressure of tank car.
若装车平台正在压料，应马上停止压料，关闭氮气阀门，对槽车进行泄压。
2
Unloading method of injecting nitrogen to tank car to raise pressure and liquid extraction with centrifugal pump simultaneously is often used to unload butadiene tank car.