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Model BB - Big Billy -Degasing Structured Packing
BB – Big Billy is a Degasing Pack. It is a Structured Packing Bed purposely designed for: The Tower of the Degasing Tanks, the Top Tank of the Degasing Tanks.
Water Degasing of Processes with Close Cycles – Combined Cycles – Cogeneration Cycles
Usually inside the Top Tank of a Degasing Tank you may have:
- Cups
- Trays
for the Degasing of Process Water .
The Process Water is the one used in the process – i.e. in the Process Production Plant – that is recovered and sent-back to the Rankine Cycle – either simple either complex – and/or to the Cogeneration Cycles to produce Vapor and/or Energy .
The water is sent to top of the Tower and splashes against the Vapor , that is sent by counterflow from the bottom of the Tank .
The aim of this operation – a process step – is to
- to clean the water
- to degas the process water ,
so to
- avoid any damagesto the turbines
- get Degassed Steam
Increase of the Efficiency and Decrease of the Cost of the Degasing Operation
The use of Big Billy – our Degasing Pack – enables to
- Increase the Mass Transfer Exchange Areas
- Increase the efficiency of the process/operation
- Reduce the Operating Cost for the Operation of Degassing
Considering the application, we have decided to use our structured packing helier 4” – hsp - helier 4” – that has the following properties:
- an high Specific Area (ASPEC = m2/m3 )
- Very Low Specific Pressure Drops (Delta P = mm H2O/m )
- No Engulfing Velocity no engulfing
Whose values have been obtained through the experimental research carried out by the University of Pisa by the Equipe under the coordination of Prof Nardini and Prof Paglianti).
The BB – Big Billy Degasing Pack is designed, engineered, built and supplied to be inserted inside a
Degasing Tower
whose specifications, such as
- Internal dimensions
- Inner net heigth
- Internal Diameter Available
- Working conditions, in terms of Temperature (T in °C) and Pressure (P in bar )
Are given by the Client and/or by the Plant Operator.
Hence EACH Big Billy is Unique and Big Billy is an “ad Hoc” Product that must be :
- designed
- engineered
- sized
- case by case, so to
Optimize the performance of each Degasing Tank and of each Degasing Tower / Top Tower.
Considering the usual specifications applied in the Degasing operation, the Degasing Pack BB – Big Billy is built using Suitable Materials.
For this Application we have chosen / proposed to the Client he following MATERIALS:
- Structural Part = SS AISI
- Internals = PPS
Hereby we report the of the Degasing Pack we have designed, built and supplied.
- The Main Technical Properties are reported.