In a flash type evaporator, all saltwater headers are vented through individual vent cocks to the().
A、A.saltwater heater shell
B、B.second-stage condenser
C、C.atmosphere
D、D.second-stage flash chamber
A、A.saltwater heater shell
B、B.second-stage condenser
C、C.atmosphere
D、D.second-stage flash chamber
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、A.less internal corrosion because of lower brine density B、B.higher temperature evaporation for lower salinity of the distillate produced C、C.less scale formation in a flash evaporator D、D.less feed-water required for a flash evaporator
A、high temperature distillate can be re- circulated to induce additional flashing B、scale formation is not a severe problem C、cold shocking is more effective in removing scale D、water purity is greatly increased at high capacity
A、A.first stage flash chamber B、B.second stage flash chamber C、C.first stage after condenser D、D.second stage distilling condenser
A、Only one channel is allocated and the backup is created in the flash recovery area B、Only one channel is allocated and the backup is created in the destination specified for channel 1 C、Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2 D、Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA