Pure PTFE mesh pad demister with mounting frame custom segment plan
PTFE mesh pad demister material:
The friction coefficient of polytetrafluoroethylene (PTFE) is only
1 / 5 of that of polyethylene, which is an important feature of
perfluorocarbon surface. Because of the low intermolecular force
between fluorine and carbon chain, polytetrafluoroethylene has no
viscosity. Polytetrafluoroethylene has excellent mechanical
properties in a wide range of temperature from - 196 ℃ to 260 ℃.
One of the characteristics of perfluorocarbon polymer is that it is
not brittle at low temperature. The density of PTFE is
2.14-2.20g/cm, almost no water absorption, and the equilibrium
water absorption is less than 0.01%. Polytetrafluoroethylene (PTFE)
is a typical soft and weak polymer. The interaction between
macromolecules is small, the rigidity, hardness and strength are
small, and it will deform under the long-term stress.
PTFE mesh pad demister application:
Knockout drums and separators – save on capital costs by decreasing vessel size-recover costly
fatty acids from stream-reduce compressor maintenance by preventing
scale build-up.
Absorbers – reduce overhead losses of glycols in dehydrators to no more than
0.1 gal/MMSCF natural gas-cut losses of absorption oil and amines
in CO2 systems.
Scrubbers – reduce chemical discharges from Kraft mill smelt dissolver tank
to less than 0.11 kg/dry ton (0.25 lb/dry ton) of pulp-improve
scrubber efficiency by removing particulates carried in entrained
liquids.
Distillation columns – improve product purities and increase throughput capacities for
petrochemicals, organic intermediates, fine chemicals.
Evaporators – prevent carryover loss of valuable products, keep condensate TDS
<10 ppm for highest quality boiler feed water-clean up vacuum
ejector stream discharge-lower maintenance in vapor re-compression
systems.
High pressure steam systems – provide dry steam- cut TDS to <10 ppb in condensate-eliminate
build-up on turbine blades.
Refinery towers – increase throughput capacity-take deeper cuts for greater
product yields – prolong catalyst life in downstream cracking and
reforming units by reducing carbon and metals in side draws-use
lower grade crudes.
PTFE mesh pad demister Inquiry Table if Calculation Suggestions and
Service are needed
| Please State your demister / mist eliminator application |
|
| Operating data |
| Gas | Max. gas volume flow (operating conditions) | M3/h | |
| Gas density (operating condistions) | Kg/m3 | |
| Operating pressure | Bar (a) | |
| Operating temperature | ℃ | |
| Liquid | Liquid content | Kg/h | |
| Liquid density | Kg/m3 | |
| Dynamic viscosity of the liquid | mPas | |
| Geometrical data |
| Flow direction | Horizontal | ¨ |
| Vertical | ¨ |
| Installed in | Column | ¨ |
| Pipe | ¨ |
| Column diameter or dimensions | mm | |
| Opening for installation | Manhole | ¨ DN |
| Vessel flange | ¨ Size |
| Requirements |
| type of mist eliminator | Wire mesh demister | |
| Material | | |
| Efficiency of separation | % | |
| Max. pressure drop | | |
| Miscellaneous | | |
Please pay attention to the Unit when refering to this sheet.
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