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ViscoLine™ Regenerator Unit
The tubular heat exchanger series from Alfa Laval
Applications
The ViscoLineTM Regenerator unit is designed for product-toproduct
heat exchange (recovery). This regenerator is ideal
for the heating, cooling and pasteurisation of products with
low viscosity, and products that contain fibres and small
particulates.
These units are most commonly used for low viscous products
such as fruit juices.
Standard design
The ViscoLine Regenerator unit consists of a removable bundle
of tubes mounted inside an outer shell, and welded onto
tube plates at both ends. The sterilized product flows inside
the bundled tubes, and the non-sterilized product outside, in
counter-current flow. All tubes are connected in parallel.
The ViscoLine Regenerator unit is provided with specially
designed double 180° elbows for processing pulpy juices.
The tube plates have a conical tube hole to ease the flow of
the product inside the tubes. Tubes are welded and roller
expanded into the tube sheets. If required, these product
tubes can feature a corrugated surface, either hard or
dimpled. The service media shell is hard corrugated.
ViscoLine Regenerator modules are normally connected in
series and grouped on a common frame.
The only spare parts needed are the O-rings in the header.
Standard materials
Other materials are available on request.
Product side (tubes) Stainless steel AISI 316L or SMO254
Product side (shell) Stainless steel AISI 316L or SMO254
Frame Stainless steel AISI 304 (units can be
angled for self-draining on request)
ViscoLine Regenerator with open sectional view
Graphic representation of the flow pattern in the ViscoLine Regenerator Unit.
