Design of shell and tube condenser pdf files

Design calculations for condenser inlet temperature of the process stream t1 45 o c outlet temperature of the process stream t2 45 o c inlet temperature of the water t1 25 0 c outlet temperature of the water t2 40 o c mass flow rate of the process stream m 8060 kghr enthalpy of vapors of process stream 1940 kjkg removed. Such limitations apply only to exchangers with removable tube bundles, namely utube and. North america latin america india europe middle east africa china pacific rim designs, materials, weights and performance ratings are approximate and subject to change without notice. Heat exchangers design parameters for psus interviews by deepak pandey at the gate coach duration. Can fail either open or closed, depending upon the design of the bellows. The optimum thermal design of a shell and tube heat exchanger involves the. This site is not directly affiliated with webbusterz engineering software. I am trying to design a shell and tube condenser for the purpose of reducing the amount of water in the waste gases coming from two furnaces. Hermes center for applied thermodynamics, department of mechanical engineering, federal university of parana p. Although, shell and tube condensing systems performed the same job of condensing the hot discharge gas into a saturated liquid as evaporative condensers. Jul 01, 2017 shell and tube condenser design software cnd version 1. The actual developer of the program is webbusterz engineering software. Design of a shell and tube evaporatorcondenser student.

This software can design, horizontal shell side condensers, horizontal tube side condensers, vertical shell side condensers, vertical tube side condensers and reflux condensers. Tube ends are roller expanded into both the front and rear tube sheets. They will also calculate the number of tubes needed for a shell and tube heat exchanger and to calculate the pipe length needed for a double pipe heat. Most surface condensers in refrigerated systems are the shell and tube type see figure 2. Fixed tube sheet type heat exchanger features simple and compact structure, and low manufacturing cost for the same diameter of shell, the biggest number of caladria is available in tubular heat exchangers. Download the excel spreadsheet templates in this article to make preliminary heat exchanger design calculations. An introduction to condensers and auxiliary equipment for.

This is a shell of the tema etype in which the vapor enters at one end of the shell and flows to the outlet end. However provision of own injection pump has to be made if water under pressure is not. Designing shellandtube heat exchangers using softwares lecture 1. Pdf design of multiple shell and tube heat exchangers in. Shell and tube condenser design student cheresources. In intercoolers, boilers, preheaters and condensers inside power plants as well as other engineering pro cesses, heat exchangers are utilized for controlling heat energy. Calculate the required heat transfer area based on values needed. Shellandtube condensers are the largest power version with a watercooled condensers with a capacity from 10 up to 10 000 tons. The author claims no originality but hopes that the format and contents will. The tubes may be straight or bent in the shape of a u, called utubes. The design project is about separating americium from plutonium oxide.

Heat exchangers 73 individual thermal resistances of the system. Pdf design and analysis shell and tube type heat exchanger. Heat exchangers jordan university of science and technology. The tube sheets at both ends of the fixed tube sheet heat exchanger are connected and fixed with the shell by means of the welding method. Designing shellandtube heat exchangers using softwares. Shell and tube condenser design software by webbusterz. Can anyone help me with this design using excel spreads hit. The three most common types of shell and tube exchangers are fixed tubesheet design, u tube design, and the floating head type. S h e l l a n d t u b e h e at e x c h a n g e r s effectively design shell and tube heat exchangers to make the most of exchanger design software, one needs to understand sthe classification, exchanger components, tube layout, baffling. Assume fouling factor based on inside and outside tubes, hdi and hdo 3. Pdf heat exchanger is necessary laboratory equipment in a thermofluid laboratory, and lack of this equipment makes learning ineffective. In this type the shell is placed at a height about 10. For simplicity the rst one is often referred to as the shell and tube heat exchanger and the second is referred to as the shell and tube condenser even though both are versions of a shell and tube heat exchanger. Floating tube sheet construction within the rear head compen.

Compared to shellandtube exchangers, compact heat exchangers are characterized by a large heat. Principles of finned tube heat exchanger design for enhanced heat transfer 2nd edition by dipl. Tube in tube heat exchanger type he tube in tube heat exchanger type he is used primarily for heat transfer between the liquid and suction lines of the refrigeration plant. Dec 20, 2018 design of a shell and tube evaporator condenser posted in student. Usually the tube surface exposed to the passage of air has extended surface in the form of fins to compensate for the low heat transfer rate of air at atmospheric pressure and at a low enough velocity for reasonable fan power consumption. Section of optimal sizes of shellandtube condensers for. The mechanical design of a shell and tube heat exchanger provides information on items such as shell thickness, flange thickness, etc. They will also calculate the number of tubes needed for a shell and tube heat exchanger and to calculate the pipe length needed for a double pipe heat exchanger. Depending on the degree of temperature cross, certain number. A surface condenser is a commonly used term for a watercooled shell and tube heat exchanger installed to condense exhaust steam from a steam turbine in thermal power stations.

Pdhonline course m371 2 pdh shell and tube heat exchangers. This software can design, horizontal shell side condensers, horizontal tube side condensers, vertical shell side. Now i want to size the shell and tube heat exchanger, which is the main component, used for heating brine with superheated steam in order to be able to calculate the pressure losses in the evaporator condenser. Pdf design of shell and tube heat exchanger with double passes. Water flow optimized to reduce the fouling and erosion risks. Multiple shell and tube heat exchangers in the series are employed to handle the temperature cross in the chemical process industries. Shell and tube condensers software free download shell and.

The required heat transfer area, the number of tubes and the shell size are calculated. In these condensers, the coolant and the vapor flow separately over thin plates. Design and performance analyses of condensing heat exchangers. Types of heat exchanger, process design of shell and tube heat exchanger, condenser, and reboilers.

Example of a tube design combining longitudinal seam welding and folding which is normally used in e. For ocean, lake, or river water, the maximum expected temperature is used for design purposes. Typically, the ends of each tube are connected to plenums sometimes called water boxes through holes in tubesheets. In this kind of heat exchanger one uid ows inside a tube bundle and the other uid ows in a shell surrounding this tube bundle. The mhp delivers heating or cooling with a robust industrial design. Over a prolonged period of time, actual fouling may exceed the design value, and condenser performance becomes inadequate. The most basic and the most common type of heat exchanger construction is the tube and shell, as shown in figure 1. Generate an engineering datasheet can be exported to. Shell and tube heat exchangers are very commonly used as preferred heat transfer equipment in the process industry.

Shell and tube condenser design cnd is a software that is made to demonstrate thermal analysis and design calculations required for designing shell and tube condensers. Design and performance analyses of condensing heat exchangers for recovering water and waste heat from flue gas by nipun goel a thesis presented to the graduate and. These are calculated using a pressure vessel design code such as the boiler and pressure vessel code from asme american society of mechanical engineers and the british master pressure vessel standard, bs 5500. Effectively design shellandtube heat exchangers pdf. The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interacting design parameters which can be summarized as follows. Baffles disrupt the flow of fluid, and an increased pumping power will be needed to maintain flow. Algorithm of design procedure for shell and tube heat exchangers. The tubes are sealed into fixed tube sheets at each end and are supported at intermediate points along the length of the tubes by tube support plates. Shell and tube condensers circulate the coolant through tubes.

Jul 23, 2011 to watch the new version video of this product please visit s. Cnd is a software that is made to demonstrate thermal analysis and design calculations required for designing shell and tube condensers. The tubes may be rolled into grooves in the tubesheet, welded to the tubesheet, or both to ensure against leakage. Pdf design of shell and tube heat exchanger single. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Compact design with about 15%20% shorter lenght and weight comparing with existing solution.

Systems that have dry cooling sometime use direct contact condensers. Shell and tube heat exchanger design software for thermal. This type of condenser is used in applications where the cooling water is the same quality as the steam condensate. Shell shell is the container for the shell fluid and the tube bundle is placed inside the shell. Designing shell and tube heat exchangers using softwares lecture 1. The software can design, horizontal condensers, vertical condensers including reflux condensers. They work on the same principle of shellandcoils, capacitors. The purpose is to utilise the cooling effect, utilise which without a heat exchanger is otherwise lost to the ambient air via uninsulated suction lines. Surface condensers are basically a shell and tube heat exchanger consisting of water boxes for directing the flow of cooling water to and from horizontal tubes.

There can be many variations on the shell and tube design. This type of heat exchangers consists of metal tubes passing through another metal enclosure, which is referred to as the shell. Shell and tube heat exchanger design free download for. For cooling towers, design is usually based on water temperature from the tower and an ambient wet bulb.

We provide a wide variety of applications based on the most suitable design and materials to ensure a cost efficient and reliable solution. See figure 1 the refrigerant flow is almost entirely unimpeded resulting in a very low or. E1mnl032a design and rating of shell and tube heat. One fluid is made to pass through the tubes tube side and the other is passed through the shell shell side. The evolution of hvac building design guidelines demand more effective and efficient means for heating and cooling commercial spaces. Condenser vacuum is closely related to the temperature of cooling water to be used in the condenser. This is based upon tubebundle removal requirements and is limited by crane capacities.

Process fluid assignments to shell side or tube side. Karl ponweiser institute for thermodynamics and energy conversion vienna university of technology vienna, austria published by wseas press. The noncondensables gases will then be transferred into the nox abatement. The first part of my report is in the attached files which contains the mass and the energy balance the waste gases from the furnaces are run through a condenser to reduce the amount of water that enters the no x abatement stage. A typical shell side condenser is shown in figure 3. It is easy to drain and clean and features leakage detection. When possible, utubes are used, requiring only one. Shell and tube heat exchanger design is a product developed by webbusterz engineering software. A tube bundle is an assembly of tubes, headers, side frames, and tube supports as shown in figure 2.

Heat exchangers are devices that regulate efficient heat transfer from one fluid to another. Compared to shell andtube exchangers, compact heat exchangers are characterized by a large heat. Solving a design problem for shell and tube heat exchanger in htri software using tubular exchanger manufacturing association tema standards you can make full design of heat exchangers for. Algorithm of design procedure for shellandtube heat exchangers. The baffled shell and tube heat exchanger, with shell side condensation, is the most common type of condenser used in the process industries. This tool also calculates the utility requirements for. Setting shell side and tube side pressure drop design limits. Plate and frame type heat exchangers are also used as condensers in refrigerated systems. You have the option to assume three known temperature and find the fourth one or four temperature values and find one of the shell or tube.

The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The pharmaline shell and tube heat exchanger is designed to operate at pressures up to 10 bar and operating temperatures of 150c. Understanding ejector systems necessary to troubleshoot. Design calculations for condenser inlet temperature of the process stream t1 45 o c outlet temperature of the process stream t2 45 o c inlet temperature of the water t1 25 0 c outlet temperature of the water t2 40 o c mass flow rate of the process stream m 8060 kghr enthalpy of vapors of process stream 1940. Coolingtower water, often used as the cooling fluid for vacuum condensers, is normally on the tube side. Three tube lenghts to match operating conditions with different temperature approaches. It is fully drainable on the product side, with no dead spots and has vent and drain possibilities on the utility side. Pdf design of shell and tube heat exchanger single phase.

Motivair has taken on the social responsibility to drive market leading efficiencies with. Combining each of these resistances in series gives. Thermal design of a shell and tube heat exchanger typically includes the determination of heat transfer area, number of tubes, tube length and diameter, tube. S h e l l a n d t u b e h e at e x c h a n g e r s effectively design shellandtube heat exchangers to make the most of exchanger design software, one needs to understand sthe classification, exchanger components, tube layout, baffling, pressure drop, and mean temperature difference. Tube bundles are removable and tubes are easily cleaned both inside and outside. Assume tube diameter and bwg, assume tube length, l 2. All trademarks, registered trademarks, product names and company names or logos mentioned herein are the property of their respective owners. Shellandtube heat exchangers are often used in process industries such as oil re neries 2, 4. Pdf the exchange of heat is one of the most important processes in the chemical industry. Determines the preliminary size for a shell and tube heat exchanger based on the process information provided. Hello i designed a single effect mechanical vapor compressor desalination system. Shell and tube condenser design cnd software is a tool that demonstrates the.

The shell type refrigerant condensers allow the refrigerant to flow around and condense on the outside of the water tubes. Gbhepeghea508 selection and design of condensers information contained in this publication or as otherwise supplied to users is believed to be accurate and correct at time of going to press, and is given in good faith, but it is for the user to satisfy itself of the suitability of the information for its. High level jet condenser counterflow type jet condenser. Thermodynamic design of condensers and evaporators. In all types, the frontend head is stationary, while the rearend head could be either stationary or floating depending upon the thermal stresses in the shell, tube, or tubesheet due to temperature differences as a. The fluid flowing inside the tubes is called the tube side fluid and the fluid flowing on the outside of the tubes is the shell side fluid. These exchangers are made of a shell housing smaller tubes. The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interacting design parameters which can be summarised as follows. I am new to this website, i wanted to share a few spreadsheets, dont know whether this where i should share the file or not. A common heat exchanger is the shellandtube heat exchanger, see example in gure 1.