Reliable Vane Type Demister for Effective Liquid-Vapor Separation

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Nantong Xiesheng Separation Equipment Co., Ltd.

VIP   Audited Supplier 13 years
Profile Certified by SGS/BV
Dyna-Vane Series
CNC Milling
Galvanized
Stainless Steel
up to 0.30 M/S
30%
Very High
Vertical and Horizontal
at Job Site
XIESHENG
Wooden Box
Customized
China
8421399090
Product Description
Product Description

Vane Type Demister Introduction
The DynaVaneTM style of mist eliminators is a sophisticated assembly of expertly engineered vanes. These vanes are designed to deftly separate liquid droplets from a vapor stream through inertial impaction as droplets collide with the vane surfaces. During this process, the gas skillfully navigates a zigzag pathway between the vanes, ensuring optimal separation. Over time, several foundational styles have emerged, setting the industry standard for various specialized applications.


Rhine Ruhr proudly designs and manufactures the following standard DynaVaneTM styles:

  1. The VC single pocket range, featuring chevron vanes without drainage channels, provides a streamlined solution.
  2. The VDC double pocket range is intelligently designed with enclosed drainage channels for superior efficiency.
  3. The HC single pocket range offers open drainage for effective liquid removal.
  4. The HDC double pocket range boasts enclosed drainage channels, enhancing overall functionality.
 
Droplet Removal Efficiency:
The level of droplet removal for any specific droplet size can be accurately calculated using centrifugal forces and Stokes Law. Rhine Ruhr has developed advanced computer models to estimate droplet removal efficiencies, allowing for the precise optimization of vane geometry tailored to any specific duty.
The liquid removal efficiency of DynaVaneTM series is an impressive 99.9% for droplets ranging from 10µ+ to 30µ+
In general, droplet removal efficiency is enhanced with the following conditions:
  1. Increasing Gas Velocity, which propels droplets more forcefully against the vanes.
  2. Increasing Gas and Liquid density difference, promoting a more substantial separation.
  3. Decreasing Gas Viscosity, allowing droplets to more readily be captured.
  4. Increase Vane Angle, optimizing the impact and capture rate.
  5. Decreasing Vane Pitch, improving the thoroughness of separation.
Mechanical Design:
DynaVaneTM Mist Eliminators are meticulously custom-manufactured to seamlessly integrate with the specific vessel arrangements required. The installation, whether comprising loose segments supported by annular rings and/or beams secured with retainer bars, or vane packs designed for integration with a sealed gas box, is engineered for both efficacy and ease.
  1. Loose segments supported on annular rings and/or beams secured with either retainer bars.
  2. Vane Packs designed for fixing to a sealed gas box.


In each scenario, the complete assembly is thoughtfully designed and supplied in sections, each crafted to fit through access manways for manageable installation within the vessel.
While every component is constructed from lightweight materials to facilitate installation and assembly, the overall build is robust enough to endure a wide range of service conditions, including vibrations and slugging, within a suitably designed and sized vessel arrangement.
 

Product Parameters

 

 DynaVaneTM StyleDrainage ChannelsUnit Thickness (mm)Fouling ResistanceRemoval Range
 VC2040None200Very High30µ +
 VC3040None280Very High30µ +
 VC4040None360Very High30µ +
 VC2025None125Good20µ +
 VC3025None175Good20µ +
 VC4025None230Good20µ +
 VC4020None180Reasonable15µ +
 VC4015None135Avoid10µ +
 VC6010None130Avoid10µ +
 VDC2025Enclosed234Avoid10µ +
 VDC3025Enclosed288Avoid10µ +
 VDC4025Enclosed341Avoid10µ +
 HC2040Open183Good30µ +
 HC2025Open183Reasonable15µ +
 HC3025Open254Reasonable15µ +
 HC4025Open325Reasonable15µ +
 HC2020Open183Reasonable12µ +
 HC3020Open254Reasonable12µ +
 HC4020Open325Reasonable12µ +
 HDC2025Enclosed234Avoid10µ +
 HDC3025Enclosed288Avoid10µ +
 HDC4025Enclosed341Avoid10µ +
Note: Actual droplet removal size range will vary according to system properties.
Mechanical Design:
DynaVaneTM  Mist  Eliminators  are  custom  manufactured  to  be compatible  with  the  required  vessel  arrangement.  Installation can be either:-
·    Loose  segments  supported  on  annular  rings  and/or beams secured with either retainer bars.
·    Vane Packs designed for fixing to a sealed gas box.
In each case, the complete assembly is designed and supplied in sections which are sized to fit through access manways and are able to be man handled inside the vessel.
Vane  Packs  consist  of  DynaVane
TM  elements  fully  enclosed  in housings  with  built  in  drainage  sump.  Although  all  parts  are constructed from lightweight material to assist installation and assembly,  the  overall  construction  is  sufficiently  robust  to withstand  most  service  conditions  including  vibration  and slugging in a suitably designed and sized vessel arrangement.

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