blowdown


Also found in: Dictionary, Acronyms, Wikipedia.

blowdown

[′blō‚dau̇n]
(chemical engineering)
Removal of liquids or solids from a process vessel or storage vessel or a line by the use of pressure.
(mechanical engineering)
The difference between the pressure at which the safety valve opens and the closing pressure. Also known as blowback.
(meteorology)
A wind storm that causes trees or structures to be blown down.
References in periodicals archive ?
In the year that followed, public discussions were held about what to do with the blowdown on Forest Preserve lands.
Another technique involves the use of flow meters on the makeup and blowdown lines.
The simulation is reset to 0 minutes, and the Cv of the blowdown valve is reduced to lower the flow to the flare and the velocity through the pipes.
The second method allows the reporter to measure the emissions from the blowdown using a flow meter on the blow down vent stack.
BLOWDOWN provides additional capabilities that will eventually enable AspenTech to provide a complete depressurization system optimization capability.
Furthermore, the chemical consumption required to control scale and to replace losses by blowdown is also eliminated or significantly reduced.
To control blowdown, conductivity meters can be used to measure the water's electrical conductance, adjust the bleed rates on the basis of evaporation rates, and thus ensure a higher concentration ratio or cycles of concentration.
THE TIN ROOF BLOWDOWN. James Lee Burke/Phoenix pounds 7.
The TSE is expected to be supplied by Palm Water and would be polished in specially designed plants, a method expected to reduce the need for potable water for the cooling process and one which allows the blowdown to be further used for irrigation purpose.
About 90kg of explosives was used in the "blowdown" of Calthorpe House, creating some 10,000 tonnes of debris.
"Set during and after Hurricane Katrina, The Tin Roof Blowdown is a riveting story of evil and redemption, the Burke story for which we've been waiting since that terrible day two years ago when sorrow rained down on New Orleans and changed its face forever ....
Examples include the use of a more stable boiler water dispersant, for higher cycles and less boiler blowdown; or conversion to deposit control technology in recirculating cooling systems that tolerates higher dissolved solids, for less cooling tower blowdown, according to Johnston.