Aspen Exchanger Design And Rating Tutorial Pdf

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Aspen Exchanger Design & Rating Family A family of products to arketipe process heat exchangers —from cost optimized designs to rating and simulation Heat exchangers can comprise up to 30% of capital equipment and impact 90% of the energy used in a petrochemical process. Major savings are available by implementing best practices with the Aspen Exchanger Design & Rating (Aspen EDR) product family.

• Reduce exchanger costs by 10-30%

Aspen Shell & Tube Exchanger: Thermal modeling for shell & tube, double pipe, and multi-tube hairpin exchangers …………………………………………………………. page 4

• Improve reliability and process uptime

Aspen Plate Exchanger: Thermal modeling for gasketed plate and frame, brazed plate, and welded plate exchangers ………………………………………………………… page 5

• Improve engineering efficiency by up to 30%

Aspen Air Cooled Exchanger: Thermal modeling for air cooled and other tubular cross flow exchangers ……………………………………………………………………………. page 6

• Pembesar technology backed by Aspen HTFS research

Aspen Shell & Tube Mechanical: Mechanical design for shell & tube exchangers and basic pressure vessels ……………………………………………………………………… page 7 Aspen Plate Fin Exchanger: Thermal modeling of multi-stream plate-fin heat exchangers made from brazed aluminum, stainless steel, or titanium ……… page 8 Aspen Fired Heater: Thermal modeling of radiant and convection sections of oil or asap fueled fired process heaters …………………………………………………………. page 9

The Challenge: Simplifying the Engineering Lifecycle Conventional workflow for the design of heat exchangers requires manual data transfer from process engineer to thermal and mechanical experts to a cost estimator. The design cycle involves several iterations and is prone to data transcription errors. This approach also excludes the process engineer’s visibility into masalah details, making it difficult to investigate multiple process scenarios to arrive at a fully optimized process.

The AspenTech® Integrated Solution: Minimize Capital Cost and Improve Process Design The Aspen Exchanger Design & Rating (EDR) product family provides the industry’s most comprehensive suite of programs for heat exchanger design, simplifying the engineering cycle through a single, integrated framework. Companies deploying these solutions reduce capital equipment cost and engineering man-hours, optimizing the operation of their processes.

Aspen Exchanger Design & Rating Family The Aspen Exchanger Design & Rating product family integrates rigorous process models with the industry’s most comprehensive heat exchanger modeling capabilities. Key business-enhancing benefits include:

• Optimized equipment designs results in typical savings of 10-30% on the equipment cost masing-masing heat exchanger.

• Integration with Aspen Plus® and Aspen HYSYS®. Identifies areas to reduce energy, capital and operational costs, with potential savings in the millions.

• Increased engineering efficiency. Emphasizes fast-track front-end engineering through fully integrated tools for process design.

Aspen Simulation

Air Cooled Exchanger

Shell & Tube Exchanger

Plate Exchanger

Fired Heater Plate Fin Exchanger

Integration Reduces Errors, Engineering Manpower and Capital Equipment Costs

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Aspen Exchanger Design & Rating Family Aspen HTFS® Research Network Aspen HTFS Research Network is comprised of AspenTech’s proprietary theoretical models and correlations developed through more than 40 years of experimental study and analysis. Customers can access Aspen HTFS Research Reports from Aspen EDR, to validate their design practice against documented methods, models, and source data.

Best-in-Class Physical Properties Methods and Data The Aspen EDR product family accesses the world’s largest database of pure component and phase equilibrium data for conventional chemicals and electrolytes. The database is regularly updated from the U.S. National Institute of Standards and Technology (NIST), which ensures easy access to the best available experimental property data. Accurate transport properties and phase equilibrium data are essential to accurate exchanger design and simulation.

Wide Range of Applications The products facilitate the full range of practical process applications for a wide range of exchanger types including: shell & tube, double pipe, multi-tube hairpin, air coolers, economizers, plate and frame, plate fin, and fired heaters from conceptual design to operational troubleshooting. This flexibility allows process streams to be single phase, boiling or condensing vapors, single component or any mixture with or without noncondensable gases in any condition.

Common User Interface All six products in the Aspen EDR product family operate within a common user interface which automates data transfer from one program to another, allowing engineers to compare the advantages of different exchanger types. Access to AspenTech’s world class property package with more than 25,000 components and 35+ vapor equilibrium methods is accessible in each acara. Aspen EDR product family uses the power and flexibility of the Microsoft® Windows environment, allowing you to fully explore unit geometry and performance detail. Products support “drag & drop” interfacing with Microsoft Excel® as well as high-level communication with other software and the programs are tightly integrated with Aspen Simulation Workbook, providing easy and robust case studies within Microsoft Excel.

Meeting the Heat Transfer Needs of Process Engineers, Thermal Experts, and Fabricators Function

Benefit

• Common Aspen EDR user interface

• Ease of use reduces the need for training

• Design optimization (cost-based)

• Reduce equipment costs by up to 30% or more

• Run-time integration with Aspen Plus and Aspen HYSYS • Access to the world’s largest property package

• Overall process optimization and improved process reliability

• Aspen HTFS Research backed methods

• More dependable results and process consistency

• Access to HTFS Research Reports, training materials,

• High degree of accuracy

example models, and more from the product

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Aspen Shell & Tube Exchanger, Aspen Plate Exchanger, and Aspen Air Cooled Exchanger Aspen Shell & Tube Exchanger, Aspen Plate Exchanger, and Aspen Air Cooled Exchanger enables optimum design, rating and simulation of their respective exchangers for both the expert and casual user. High level run-time integration with Aspen Plus and/or Aspen HYSYS enable engineers to rigorously model heat exchanger operation and identify capital saving opportunities in the context of the overall process.

Aspen Shell & Tube Exchanger Features

Output

• All TEMA style vessels

• Optimization path that identifies the most economical

• Bi-directional interface with Aspen Shell & Tube Mechanical

design selection, possible alternative designs, and controlling design constraints

• Run-time integration with Aspen Plus & Aspen HYSYS

• Extensive warning and error reporting identifies

• Design, rating, simulation, and find fouling calculation modes

• Summary of exchanger thermal-hydraulic performance

potential operational problems

• Fully completed TEMA-style data sheet

• All common applications including knockback condensers, flooded evaporator, kettles, falling film evaporators, thermosiphons, multi-shell feed-effluent trains

• Interactive tube layout and setting plan drawings • Comprehensive incremental output • Vibration analysis (using proprietary HTFS and TEMA

methods)

• Double-pipe and multi-tube hairpin exchangers

• Conceptual cost estimating, customized to your own

• Multi-shell capability with no practical limits on shells

labor and material costs

• Plain, low finned, or longitudinally finned tubes and general tube side and shell side enhancement methods

• Extensive graphing capabilities • Thermosiphon stability checks and flow pattern

evaluation

• Single, double, and triple segmental baffles, no tubes in window, rod baffles, and unbaffled exchangers • Proper handling of fluids with two immiscible liquid phases • Background ASME mechanical design for more accurate sizing, costing, and weight calculation

Program Results Include a Setting Plan & Interactive Graphical Tube Sheet Layout 4

Aspen Shell & Tube Exchanger, Aspen Plate Exchanger, and Aspen Air Cooled Exchanger

Aspen Plate Exchanger Features • Run-time integration with Aspen Plus

• Double banking

• Up to 5 passes for either hot or cold streams

• Conceptual cost estimate

• Co-current or counter-current flow

• User supplied Colburn j and friction factors to model special proprietary plate types

• Evaluates flow maldistribution risk

• Database of commercially available plates from 3 leading suppliers

• Handles non-Newtonian fluids • Proper handling of fluids with two liquid phases

Plot Size is Shown in the Plate Exchanger Diagram

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Aspen Shell & Tube Exchanger, Aspen Plate Exchanger, and Aspen Air Cooled Exchanger

Aspen Air Cooled Exchanger Features

Output

• Supports three calculation modes:

• Optimization path identifies the most economical

design selection considering capital and operating cost

– Design – optimizes the selection based on capital and operating costs

• Extensive warning and error reporting

– Check (Rate) – determines if a given exchanger has sufficient area to achieve a specified duty

• Summary of exchanger thermal-hydraulic performance

– Simulation options – multiple simulation options for prediction of inlet/outlet temperatures, mass flows, or process fouling

• X-side installation and fan noise data

• Detailed tubeside, X-side and nozzle pressure drops

• Fully completed Jago merah-style data sheet • Interactive tube layout drawing and setting plan

• Run-time integration with Aspen Sesak & Aspen HYSYS

drawings for API-type units

• Tube side condensing or boiling heat recovery, de-humidification, air cooled and other tubular crossflow exchangers, air conditioning, charge air coolers, A-frame and V-frame configurations

• Comprehensive incremental output • Extensive graphing capabilities

• X-side flow and thermal duty operating point for a defined fan performance curve • Multiple tube, high fin and header types • Up to 50 passes in simple and complex arrangements • Bundle size: Two to 100 rows, with multiple bundles per bay and multiple bays per unit • Draught: forced, induced, no fans • Fouling: tunggul resistance or tubeside as a function of velocity, temperature, quality, phase or length; X-side as a function of row • Automated handling of condensation with immiscible liquids • Weight and budget cost estimates

The Acara Automates the Design Optimization for CAPEX and OPEX

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Aspen Shell & Tube Mechanical Aspen Shell & Tube Mechanical provides a complete mechanical design package that greatly improves engineering efficiency in exchanger design. It provides a two-way interface to AspenTech’s thermal design program, automating transfer of information and minimizing costly rework. It is the only program that optimizes the design of all mechanical components, producing detailed code calculations, customized cost estimates, detailed drawing package, and complete bill of materials.

Aspen Shell & Tube Mechanical Features • Calculation modes: Design, rating

• Expansion joints: Flanged only, flanged and flued,

• Codes and standards supported: ASME Section VIII, Div. 1, EN13445, CODAP, AD Merkblätter, ASTM, DIN, AFNOR, TEMA Classes B, C, & R

various types of bellows • Graphics: Fully dimensioned setting plan, tubesheet

layout, and detailed component drawings

• Material databases: ASME, DIN, CODAP, EN, JIS

• Supplemental calculations: Vertical and horizontal

• Customized costing databases: Company operating, material, and welding standards, labor efficiencies, material costs

vessel support analysis (Zick), paling kecil design metal temperatures, simultaneous internal/external pressure design, analysis of thermal expansion operature cases, nozzle loads tiap-tiap WRC 107/537, HEI and TEMA-RGPRCB-10.7, maximum allowable working pressures, material cladding, wind and seismic loads

• Incorporates all TEMA exchanger types

• Handles up to 13 simultaneous load cases

Bi-directional Integration Allows for Simultaneous Optimization of Both Thermal & Mechanical Designs 7

Aspen Plate Fin Exchanger Plate-fin heat exchangers are critical to many cryogenic asap separation processes and are increasingly found in many processing plants. Significant capital and operational savings can be realized with the high thermal effectiveness provided by this technology. Plate-fin exchangers can handle many process streams in a single exchanger, providing a high degree of thermal integration. This minimizes consumption of primary energy and benefits modular construction and plant layout. The materials of construction used for plate-fin exchangers are lightweight, provide highly efficient heat transfer, and permit low-temperature operating conditions. Aspen Plate Fin Exchanger draws on AspenTech’s deep heritage and leading technology to offer precise and flexible modeling of today’s most challenging exchanger configurations.

Aspen Plate Fin Exchanger Features

Thermal Output

• Run-time integration with Aspen HYSYS

• Summary of exchanger performance

• Simple layer-based geometry specification

• Exchanger grafik and temperature graphs

• Calculation modes include design, stream-by-stream simulation, layer-by-layer simulation, or checking

• Temperature and vapor quality profiles along the

• Up to 20 process streams

• Comprehensive information on pressure drop including

exchanger for all process streams details of losses in nozzles, headers, and distributors

• Co-current and counter-current flow with any complexity of exchanger inlet and outlet geometry

• Fin performance data calculated by the programa

• Simple and multi-pass cross flow

• Extensive calculation of metal temperatures

• Core-in-shell (kettle type)

• Longitudinal thermal conduction

• Single-phase and two-phase calculations

• Detailed summary of thermosiphon calculations

• Checks for flow maldistribution

• Extensive analytical graphics for longitudinal, cross-

layer and inter-layer material temperatures

• Vertical or mendatar exchanger orientation • Plain, wavy, serrated, perforated and hardway fins • Exchanger, distributor, header, and nozzle pressure drop calculations • Multiple exchangers in series/parallel

New Graphics Assist in Uncovering Potential Equipment Failures 8

Aspen Fired Heater The sophisticated modeling of Aspen Fired Heater allows designers to explore a wide range of heater configurations. Aspen Fired Heater brings modeling flexibility and ease-of-use with full integration of firebox and convection section heat transfer combined with draft calculations. It offers the reliability and robustness of Aspen HTFS models for process heat transfer and pressure drop along with the well-stirred or long-furnace models for firebox radiation. Aspen Fired Heater simulations provide heater operators with insight into local process conditions, facilitating optimal operations and maximizing throughput and energy efficiency without compromising safety or reliability. It also allows users to examine local heat flux and tube metal temperatures in the firebox and convection section, thereby avoiding unstable flow regimes in two-phase.

Aspen Fired Heater Features

Thermal Output

• Run-time integration with Aspen HYSYS

• Overall heater thermal performance summary,

including details of the heat load and the thermal efficiency of the unit

• Combined modeling of firebox and convection section • Up to 10 process streams in a single heater

• Extensive warning and error reporting identifies

• Handles cylindrical and cabin fireboxes

potential operational problems

• Firebox well-stirred and long-furnace radiation models

• Overviews of thermal performance of each part of the

heater, firebox, and convection section tube banks

• Firebox wall tubes (vertical mendatar and helical coil)

• Thermal overview of each stream in the heater

• Central tubes and cell-type fireboxes

• Combustion information and fuel details, including

• Up to 9 convection tube banks and process streams

calculated flue gas composition for idiosinkratis fuels and fuel mixtures

• Supports plain or finned tubes • Convection section tubes with high round fins, serrated fins, circular or rectangular cross section studs

• Comprehensive incremental output, including local

• Full process thermal and hydraulic calculations

• Radiation information including zonal analysis

temperatures, pressures, and heat flux

• Combustion calculations for up to 4 fuels • Evaluation of local process conditions

Extensive Graphics Improve Ease of Use

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Aspen Exchanger Design and Rating Aspen Exchanger Design and Rating product family offer state-of-the-art heat exchanger simulation and design based on over 40 years of industry-leading research. Our aim is to enhance the value of heat transfer solutions by providing the most integrated product offering across the widest range of technologies. This enables our customers to use the most advanced physically-based modeling, from unit design and overall process design, through to optimization and operational monitoring.

Empower Your Company to Succeed aspenONE Engineering is an integrated lifecycle solution—from conceptual design through plant startup and operations support—enabling you to konseptual, build, and operate safer, more efficient and more competitive process plants. AspenTech’s Engineering Professional Services helps ensure that your project achieves its maximum potential by leveraging our unparalleled industry expertise to design, analyze, debottleneck, and improve plant performance. Combined with our world-class 24/7 technical support service, flexible training options, and local language product availability, AspenTech provides the resources to enable your company to meet and exceed its business objectives. To learn more, visit www.aspentech.com/pro_services.

Worldwide Headquarters Aspen Technology, Inc. 20 Crosby Drive Bedford, MA 01730 United States phone: +1–781–221–6400 fax: +1–781–221–6410 [email protected]

Regional Headquarters About AspenTech AspenTech is a leading supplier of software that optimizes process manufacturing—for energy, chemicals, engineering and construction, and other industries that manufacture and produce products from a chemical process. With integrated aspenONE® solutions, process manufacturers can implement best practices for optimizing their engineering, manufacturing, and supply chain operations. As a result, AspenTech customers are better able to increase capacity, improve margins, reduce costs, and become more energy efficient. To see how the world’s leading process manufacturers rely on AspenTech to achieve their operational excellence goals, visit www.aspentech.com.

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