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STEAM SEPARATION PRODUCTS

Kelburn Engineering Limited are a world leader in condensate from steam separation technology. Producing a complete range of steam separation equipment for the process, power and petrochemical industries, our separators are designed to cover all steam applications and conditions.

HIGH EFFICIENCY COALESCENT CYCLONE STEAM SEPARATORS

Condensate droplets within the steam flow at both start up and during normal operation may cause the following problems within a steam system.

1. Equipment damage due to erosion and/or corrosion.
2. Reductions in process efficiency due to lower heat transfer rates]
3. Water hammer
4. Thermal Shock
5. Reduced heat content
6. Pipeline corrosion
7. Wire drawing effects

OPERATION

The Cyclone Steam Separator has a two stage separation design. The first stage agglomerates the fine water particles causing them to coalesce by bringing the water droplets together, increasing in size and mass. The second stage then utilisies profiled deflector blading, which imparts powerful centrifugal forces to separate all the water droplets from the steam flow. The condensate exits the separator from a volute-contoured drain.

PERFORMANCE

These highly Efficient, flow driven separators remove all droplets down to 10 microns in size and 80-90 % in the range 5-10 microns. The separator operates with overall extraction efficiencies of more than 99.5%, giving typical steam dryness fraction of over 0.997 at outlet from a 0.9 dry inlet steam. The Kelburn Separator generates a very low-pressure drop, typically less than 1% of the system operating pressure.

DESIGN FEATURES

1. Inline inlet and outlet
2. Body of cast construction allowing manufacture in all material specifications
3. Internal contoured profile and volute drain for improved flow and separations
4. No moving parts
5. No maintenance and no spare parts requirement
6. Self clearing of separated liquids and solids
7. Low pressure drop
8. Flange and pressure ratings up to ANSI #2500 and PN 160
9. Separators specifically sized for each applications, for maximum efficiency
10. Full range of separator sizes DN 10 to DN 1400 (1/4” to 56”)

APPLICATIONS

1. Steam turbine protection from blade erosion due to water particles and pipe scale
2. Pressure reducing valve, control valves and flow meter protection
3. Superheated inlet, providing dry steam to improve heat transfer efficiency
4. Boiler outlet, providing guaranteed dry steam and reducing T.D.S. levels
5. Steam main, providing guaranteed dry steam and preventing water hammer
6. Steam Injection systems on Gas Turbines
7. Steam turbine bleed lines
8. Exhaust steam lines 
9. Flash steam lines
10. Autoclaves

HIGH EFFICIENCY KNOCKOUT CYCLONE STEAM SEPARATORS

Steam Plants, turbines and other equipment are always vulnerable to the ingestion of pipe scale and swarf or to the severe loadings imposed by the sudden transmission of large volumes (slugs) of water.
This may result in the following problems within a steam system.

1. Shock loadings due water hammer
2. Steam turbine blading and thrust bearing damage
3. Thermal shock effects on cold fittings and ancillary equipment
4. Erosion and damage due to pipe scale and other debris.
5. Overloading of condensate drainage system

The Kelburn Engineering High Efficiency Knockout Cyclone Steam Separator has been developed to satisfy the dual separation requirement of large volumes of water and the removal of solid debris. This type of separator also provides efficient wet steam separation during normal flow conditions.

OPERATION

Slugs or streams of water, pipe scale and other debris enters the separator with the steam flow and hits the coned deflector vane section (designed to withstand the large impact loadings) where the flow is split into several streams. The flow then enters the vortex chamber tangentially from the deflector vanes and is subjected to powerful centrifugal action. The water and solid particles are forced to the cyclone walls and leave the unit via large area drain, dry steam exits from the separator outlet. The large bore drain and pipe reservoir provide rapid liquid removal and high capacity storage during a large water carryover event.

PERFORMANCE

These highly efficient, flow driven separators operate with extraction efficiencies of more than 99.5%, giving a typical steam dryness fraction of over 0.995 at outlet from 0.90 dry inlet steam.

DESIGN FEATURES

1. Inline inlet and outlet
2. Body of cast construction allowing manufacture in all material specifications
3. Strengthened internal vanes for absorption of shock loadings
4. No moving parts
5. Large bore drain for rapid water removal
6. No maintenance and no spare parts requirement
7. Self-clearing of separated liquids and solids
8. Low pressure drop, typically less than 1% of line pressure
9. Flange and pressure ratings up to ANSI 2500# and PN 160
10. Separators specifically sized for each application, for maximum efficiency
11. Full range of separator sizes DN 100 to DN 1400 (4” to 56”)

APPLICATIONS

1. Steam turbine protection from blade erosion and impact damage due to water particles and high volume streams
2. Steam turbine protection from impact damage due to pipe scale, swarf and other solid debris
3. Super heater inlet protection.
4. Steam main, providing guaranteed dry steam and preventing water hammer

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