It is the most common type of heat exchanger in oil refineries and other large chemical processes. Sep 11, 20 shell and tube heat exchangers are one of the most widely used type of heat exchanger in the processing industries 65% of the market according to h. Unlike other tools, ensures that the calculations are performed step b. Regardless of the type of industry the exchanger is to be used in there are a number of common features see condensers. Apr 17, 2011 shell and tube heat exchanger nen type radite2a. No provision to allow for differential thermal expansion developed between the tube and. 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. Nonasme work noncode shell and tube heat exchangers.
Shell and tube heat exchanger step by step calculations to. A shell and tube heat exchanger is a class of heat exchanger. In this example, two fluids pass through the heat exchanger. A shell and tube heat exchanger is a class of heat exchanger designs. A heat exchanger is a device which transfers the energy from a hot fluid to a cold fluid with maximum heat transfer rate and minimum operating costs. Download and install shell and tube heat exchanger design safely and without concerns. In most cases the plate type is the most efficient heat exchanger. A shell and tube exchanger consists of a number of tubes mounted inside a cylindrical shell. Feb 20, 2011 referencesq fundamentals of heat exchanger design ramesh k. Handbook, textbook, user guide pdf files on the internet quickly and easily. Plain tubular exchangers, shellandtube exchangers with plain tubes, and plate exchangers are good examples of prime surface exchangers. The basic heat exchanger equations applicable to shell and tube exchangers. As its name implies, this type of heat exchanger consists of a shell a large vessel with a bundle of tubes inside it.
This tool also calculates the utility requirements for achieving the desired heat transfer. Pdf heat exchanger types and classifications researchgate. Gulley, gulley computer associates, tulsa, oklahoma. A form of shell and tube heat exchanger, double pipe heat exchangers employ the simplest. It can be fabricated from a wide range of materials both metallic and nonmetallic. Extension to other exchanger types requires new equations. The second type is regenerative type, in which hot and cold fluids are in the same space which con tain a matrix of materials which work alternately as source for heat flow. Digitalflo steamtowater, shell and tube, water heater.
In all shell and tube heat exchangers, the tubes are mechanically attached to tube sheets, which are contained inside a shell with ports for inlet and outlet fluid or gas. The first type of a heat exchanger is called the recuperative type, in which heat are exchanged on either side of a dividing wall by fluids. Shell and tube test problems the problems that have been used to validate some of the capabilities in insted for the analysis of shell and tube heat exchanger are discussed in this chapter. Explosives sazfety seminar 1992 ad a261116 free ebook download as pdf file. Heat exchanger background shell and tube heat exchangers account for 60% of heat exchangers in use today can handle large flows, low temperatures and pressures, high temperatures and pressures our shell and tube heat exchanger basco type 500 utube water heater 1 shell pass 16 tubes. How to model a shell and tube heat exchanger comsol blog. These heat transfer devices are engineered to meet to a wide variety of applications. Today, the company is devoted exclusively to the design, engineering and manufacture of. Understanding heat exchangers types, designs, applications and. A set of tubes is called the tube bundle and can be made up of several types of tubes. The required heat transfer area, the number of tubes and the shell size are calculated. Indirect heat exchangers are available in several main types plate, shelland tube, spiral etc. Type op oring protected design has a removable tube bundle and flexibility in nozzle location. A sthe is the most common type of heat exchanger in oil re fineries and other large chemical processes, and is suited for higherpressure applications.
Shell and tube heat exchanger design is a software product developed by webbusterz engineering software and it is listed in other category under science cad. As its name implies, this type of heat exchanger consists of a shell a large vessel. They are designed so as to achieve a large transfer surface area within a small space, with minimal loss of fluid pressure. Two fluids can exchange heat, one fluid flows over. Scribd is the worlds largest social reading and publishing site. In this way every heat exchanger has the optimum allocation of heat exchanger surface, pressure drop and pinchpointtemperature difference for the given. Temperature control of shell and tube heat exchanger by using. The author claims no originality but hopes that the format and contents will provide a comprehensive introduction to the subject and enable the reader to achieve. Definition a heat exchanger is a device used to transfer heat between one or more fluids. A shell and tube heat exchanger is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higherpressure applications. Pdhonline course m371 2 pdh shell and tube heat exchangers. As its name implies, this type of heat exchanger consists of a shell a large pressure vessel with a bundle of tubes inside it. User needs of heat exchanger include types of fluids, quality of fluids fouled fluids, clean. Api basco type op heat exchanger api bascos type op ranks as the preferred tema type aew shell and tube heat exchanger designed to comply with the requirement of api 614.
Shell and tube type heat exchangers multitubular heat exchangers feature a shell body and multiple tubes heat transfer tubes. Connect and circulate the hot fluid in the shell side over small tubes and the cooling water in the tube side inside small tubes. Mar 01, 2000 although there exists a wide range of designs and materials, some components are common to all. The fluids may be separated by a solid wall to prevent mixing or they may be i. Figure 1 illustrates a typical unit that may be found in a petrochemical plant. It essentially consists of a shell with a bundle of tubes inside. R sekulib university of kentucky introduction a heat exchanger is a device that is used for transfer of thermal energy enthalpy between two or more fluids, between a solid surface and a fluid, or between solid particulates and a. You should consult the original sources of the various test problems in order to assess the accuracy of insted predictions in more detail. Lees book, thermal design and are commonly found in oil refineries, nuclear power plants, and other largescale chemical processes.
One fluid runs through the tube and other through the shell side. A heat exchanger is an equipment which facilitates the. This type of heat exchangers offers a great flexibility to meet almost any service requirement. Heat exchangers jordan university of science and technology. Heat exchange occurs between fluids flowing through the shell side and through the tubes. Shell side out side of the tubes are inaccessible for mechanical cleaning. Troubleshooting shellandtube heat exchangers use these techniques and guidelines to ensure more reliable heat transfer d. Shell and tube heat exchanger types yes yen graphitech. Comparison of shellandtube with plate heat exchangers for the use. In present days shell and tube heat exchanger is the most common type heat exchanger, it is widely used in oil refinery and other large chemical processes, because it is suitable for high pressure applications.
No guidance is given on how to generate these equations. It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higherpressure applications. The optimum thermal design of a shell and tube heat exchanger involves the consideration of many. Pdf the heat exchanger is major element as far as heat transfer and energy conservation is concern. Shell and tube type heat exchangers are most common type of heat exchangers and are widely used in oil refineries and large chemical process plants and is suited for high pressure applications. Design a double pipe heat exchanger with bare inner multitubes that can be used to cool engine oil with cold sea water. Shell and tube heat exchanger design software for thermal. The type of recovery system used depends upon a number of factors, including the type of body or vehicle to be recovered, the recovery operational envelopfj, the experience and avaijab. Theory and application two fluids, of different starting. Construction basics of shell and tube heat exchangers. The most basic and the most common type of heat exchanger construction is the tube and shell, as shown in figure 1. Shell and tube heat exchanger as the name proposed, they are built around tubes mounted in a cylindrical shell, the tubes are parallel to the shell. This article focuses on heat exchangers, exploring the various designs and types available and.
Design pressures range from full vacuum to 6,000 psi. General design considerations and design procedure are also illustrated in this paper and a flow diagram is provided as an aid of design procedure. A practical guide for planning, selecting and designing of shell and tube exchangers takes users on a stepbystep guide to the design of heat exchangers in daily practice, showing how to determine the effective driving temperature difference for heat transfer. Pdf design and analysis shell and tube type heat exchanger. Shell and tube heat exchanger consist of bundle of round tubes mounted in cylindrical shell with tubes parallel to shell. The controlled variable is the tube side outlet temperature, and the. One fluid flows through tubes, while another fluid. The shell and tube heat exchanger is by far the most common type of heat exchanger used in industry. Fluid engine oil sea water inlet temperature, c 65 20 outlet temperature, c 55 25 heat load, kw 117.
The second type is regenerative type, in which hot and cold fluids are in the same space which contain a matrix of materials which work alternately as source for heat flow. Tubular exchanger manufacturers association tema has classified shell and tube heat exchanger types that describes them based on the front end stationary head type, shell type and rear end head types. Irvin recovery systems design guide pdf free download. Specifying shellandtube heat exchangers understand what heat exchanger design specialists need to know and remember, you know your process best asif raza shellandtube heat exchangers are one of the most important and commonly used process equipment items in the chemical process industries cpi. Shell and tube heat exchangers construction details. Determines the preliminary size for a shell and tube heat exchanger based on the process information provided. The first fluid, in this case water, flows through the tubes, while the second fluid, air, circulates within the shell of the heat exchanger but outside of the tubes.
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