In the process of transferring the toxic substance PA that has the high melting point, the centrifugal pumps with the mechanical seals and a hermetically sealed magnetic drive pump were used.
英
美
- 在使用機械密封離心泵和無(wú)密封磁力泵輸送高熔點(diǎn)、有毒介質(zhì)苯酐的過(guò)程中,通過(guò)對其生產(chǎn)操作、運行費用、環(huán)境污染等方面的對比,確認了使用無(wú)密封磁力泵的優(yōu)點(diǎn),并進(jìn)一步將其推廣到類(lèi)似產(chǎn)品的生產(chǎn)中。
