A、Water is heated into vapor on heating surfaces
B、Water is vaporized by pressure difference
C、There are no heating-transfer surfaces
D、There are more heating-transfer surfaces
更多“The flash-evaporator is different with the submerged-tube evaporator in that for the former（）”相关的问题
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、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、vaporize, with the un-flashed water remaining at the temperature at which it entered the flash chamber B、vaporize, with the un-flashed eater equalizing to the saturation conditions existing in the f lash chamber C、vaporize, with the remaining water a t a temperature greater than it entered the flash chamber D、boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
A、A.vaporize, with the unflashed water remaining at the temperature at which it entered the flash chamber B、B.vaporize, with the unflashed water equalizing to the saturation conditions existing in the flash chamber C、C.vaporize, with the remaining water at the temperature greater than it entered the flash chamber D、D.boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
A、A.the distillate produced has greater purity B、B.no boiling occurs on heat transfer surfaces C、C.evaporation occurs at a higher rate D、D.the incoming feed is at a higher temperature
A、A.first stage flash chamber B、B.second stage flash chamber C、C.first stage after condenser D、D.second stage distilling condenser
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