单项选择题
A.second stage feed heater B.saltwater feed heater C.distillate cooler D.second stage vapor separator
Small droplets of water entrained in the flashed vapor ...
单项选择题Small droplets of water entrained in the flashed vapor produced in a flash-type evaporator, are removed by the （）
A.spray pipes B.demisters C.condensers D.splash baffles
The demisters installed in a flash-type evaporator serv...
单项选择题The demisters installed in a flash-type evaporator serve to （）
A.deaerate the first effect distillate B.filter the condensed flash vapors C.deaerate the first and second effect distillate D.remove small water droplets entrained in the flashed vapor
A vacuum is initially established in the first and seco...
单项选择题A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of （）
A.vacuum drag from the auxiliary condensate system B.individual vacuum pumps C.a single non-condensing air ejector D.a two stage air ejector
