DEUBLIN-sint siphon systems
DEUBLIN DELTASINT STATIONARY SIPHON:
With FS series steam joint for speeds from 2000 FPM and over.
The introduction of the revolutionary Deltasint Stationary Siphon has established Deublin as the innovative leader in siphon and joint design for the paper industry. Designed specifically to handle the rigorous requirements of high-speed paper machines, it is also particularly suitable for felt driven dryers.
Stationary siphons are more energy efficient than rotating siphons on high-speed machines. The Deltasint Stationary Siphon and FS Series Steam Joint provides a combination that is rigidly supported by the machine frame. This system does not require any internal support or bushing inside the dryer to support the siphon, thereby eliminating the need for routine siphon inspections.
The Deltasint Stationary Siphon is supported in the housing of theFS Series Steam Joint at two points. The outward support is cylindrical while the inboard support is conical. The two widely spaced supports reduce vibration and deflection of the horizontal pipe.
This enables the siphon to be positioned with the pick-up shoe at closer clearance from the surface of the dryer shell than traditional or previous designs. This attribute reduces the thickness of the condensate layer that, in turn, increases the heat transferred to the surface of the dryer.
Due to an absence of centrifugal force in the column of the stationary siphon, the differential pressure required to evacuate the condensate is significantly reduced, compared to rotating siphons. Consequently the volume of blow-through steam is reduced. In turn, the evacuationof condensate is performed with more efficiency. The primary advantages of the Deltasint Stationary Siphon are improved efficiency and improved mechanical reliability due to:
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Reduction of differential pressure requirement
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Reduction of blow-through steam
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Elimination of dryer flooding
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No moving parts
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Rigid mechanical mounting
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Hydro-planing Siphon Pick-up Shoe design
Cutaway of the FS Series Steam Joint shows the extra large surfaces supporting the horizontal siphon pipe. This Deublin engineered rigid construction, for the first time, has made it practical to use stationary siphons in high-speed applications.
Typical installation showingDeltasint StationarySiphon with FS Series. The blue indicates condensate in a full rimming condition and path of condensateas it is evacuated. The dotted circle highlights the area shown in the cutaway photograph. For more information on turbulence bars.
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