UniSim® Plate Heat Exchanger Modeler
The Challenge Plate Heat Exchangers are commonly used for the needs of heat transfer between medium and low pressure liquids where large
and investigating whether an existing unit will meet the requirement of a specific production process. It helps users to minimize the capital/operational cost, improve engineering
heat transfer area is in demand. To identify optimized design of
efficiency and therefore maximize their return on investment.
such heat exchanger and to know whether the existing plate heat
Features
exchangers in a production facility will meet the ever-changing manufacturing demand, are among the challenges heat exchanger designers and operators often face.
UniSim Plate Heat Exchanger Modeler has four calculation modes, providing specific capabilities based on the tasks being performed:
The Solution: UniSim Plate Heat Exchanger Modeler UniSim Plate Heat Exchanger Modeler a specialized tool to help designers and operators overcome the challenges in dealing with plate heat exchangers, involving either gasketed plate and frame or welded or brazed plate. It helps users to determine the optimum heat exchanger configurations and to troubleshoot operating units with user-specified heat exchanger geometry.
Design – To produce a set of possible designs to meet given heat load duty and pressure drop constraints and recommends the best option. Design calculations select from a set of 120 plate sizes, which are ‘typical’ of what is commercially available. Checking / Rating – To determine whether a specified exchanger has adequate surface area to meet a user-specified thermal duty, and if specified stream pressure drops are exceeded. Simulation – To determine the heat load, pressure changes and stream outlet conditions that will occur for a specific design with given stream inlet conditions. Allowance for nonlinear temperature profiles can be made as well as for variation in heat transfer coefficients and pressure gradients. The effect of maldistribution among the plates is also handled.
Benefits
Extend (Design Specified Plate) – To determine the number of
UniSim Plate Heat Exchanger Modeler can be used for designing
plates of a given geometry required to meet a user-specified
such equipment, evaluating their performance in an operation,
duty, as well as pressure drop limits.
UniSim Plate Heat Exchanger Modeler
2
Wide Range of Applications The program supports most types of plate heater exchanger with cross-corrugated plates and overall counter-flow between steams, providing a variety of built-in selections, including:
Graphic representations based on user-specified configurations further enhance the modeling experience of UniSim Plate Heater
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Gasketed plate heat exchangers
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Frame plate heat exchangers
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Heat exchangers with welded pairs of plates
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Wall welded plate heat exchangers
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Recommended design and listing of considered designs
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Brazed plate heat exchangers
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Exchanger layout drawing
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Plates within a range of typical chevron angles from 30 to 65 degrees (to the horizontal)
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Summary of exchanger performance
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Details of pressure drops and hold-ups
Modeler users. The comprehensive output highlights useful information, such as:
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Plates with different corrugation angles in alternate plates
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Stream conditions at inlet and outlet to each pass
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Plate exchangers with single pass or up to five passes
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Stream conditions along the exchanger
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A databank containing the geometry details for a range of plates
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Ratio to maximum value for given property 1 0.9
Proper handling of
0.8
Systems with single or two-phase streams, involving sensible heating or cooling, boiling or condensation, or any combination of these
0.7
o
Pure component or multi-component mixture systems
0.5
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Non-Newtonian fluids
o
0.6
0.4
o
0.3
Process data imported from Process Simulator, such as UniSim Design, in the form of PSF file, generated by the simulator
0.2
20
Liquid Density Liquid Specific Heat
User-Friendly Input and Output Functionalities
40
60 Temperature (
80
Liquid Viscosity Liquid Thermal Conductivity
100
120
Liquid Surface Tension
Ratio of actual to required area Users are guided through the data input process which is displayed through a hierarchy tree and very easy to follow.
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Summary of likely maldistribution effects
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Heat balance for exchanger
More Information For more information on UniSim, visit www.honeywell.com/ps/UniSimDesign or
UniSim® is a registered trademark of Honeywell International Inc.
contact your Honeywell account manager. Automation & Control Solutions Process Solutions Honeywell 1860 W. Rose Garden Lane Phoenix, AZ 85027 Tel: 800-822-7673 www.honeywell.com/ps
PN-10-12-ENG July 2010 © 2010 Honeywell International Inc.