Compabloc - welded heat exchanger range0 pages

Application
The Alfa Laval Compabloc is a fully welded compact heat
exchanger designed for the complete range of process and
utility duties. The Compabloc range provides the most
efficient, cost-effective, compact and cleanable heat exchanger
solution available today. After 20 years on the market, the
Compabloc has shown itself to be the market leader in terms
of life-cycle costs and energy savings.
Design
Alfa Laval designed the Compabloc range of welded heat
exchangers with a focus on performance, compactness, and
serviceability.
The heart of the Compabloc is a stack of corrugated heat
transfer plates in 316L stainless steel, or other high-grade
material. The plates are laser welded (models CP30 and
above) and form a compact core. This core is then enclosed
and supported by four corner girders, top and bottom heads
and four side panels (see Sectional view of Compabloc).
These components are bolted together and can be quickly
taken apart for inspection, service and cleaning.
The design can be configured in single or multi-pass arrangements
in either co-current or counter-current operation, for
liquid-to-liquid or two-phase duties.
Operating Principles
The two media in the Compabloc heat exchanger flow in
alternately welded channels between the corrugated plates.
These corrugated plates promote high turbulence which provides
high heat transfer efficiency and help minimize fouling.
The media flows in a cross-flow arrangement within each
pass (see figure below) while the overall flow arrangement is
counter-current for a multi-pass unit (if required the unit can
also be designed with overall co-current operation). Each
pass is separated from the adjacent passes by a pressed
baffle which forces the fluid to turn between the plate pack
and the panel.
Compabloc’s flexible pass arrangements make it suitable for
liquid-to-liquid duties with dissimilar flow rates, or two phase
condensation or reboiler applications.
COMPABLOC compact heat exchanger range
High-performance fully welded heat exchanger for process industries
Options
The Compabloc is available in virtually any material that can
be pressed and welded, including:
• 316L SST
• 254 SMO
• Titanium
• Alloy C-276
• 904L SST (UB6)
• Alloy B-2
• Alloy C-22
• Incoloy 825
• Inconel 600
• Tantalum
The panels and nozzles can be un-lined or lined using the
same materials as the plate pack. The nozzle size is variable
and can be selected independently for each side.