{"id":20649,"date":"2024-09-25T14:25:17","date_gmt":"2024-09-25T11:25:17","guid":{"rendered":"https:\/\/ankort.com\/kozhukhotrubnyye_teploobmenniki_v_promyshlennosti\/"},"modified":"2024-09-25T14:25:17","modified_gmt":"2024-09-25T11:25:17","slug":"kozhukhotrubnyye_teploobmenniki_v_promyshlennosti","status":"publish","type":"post","link":"https:\/\/ankort.com\/en\/kozhukhotrubnyye_teploobmenniki_v_promyshlennosti\/","title":{"rendered":"Shell-and-tube heat exchangers in industry: what they are used for and where they are applied?"},"content":{"rendered":"Shell-and-tube heat exchangers are devices designed for heat transfer between two or more working media (liquids or gases) that do not mix with each other. They are widely used across various industries, including oil and gas, chemical, power generation, metallurgy, food processing, and others.\r\n<h2>What are shell-and-tube heat exchangers?<\/h2>\r\nShell-and-tube heat exchangers\r\n\r\nThe operating principle of a shell-and-tube heat exchanger is based on heat transfer through the walls of tubes located inside a shell. One working medium flows through the tubes (the internal circuit), while the other flows through the space between the tubes and the shell (the external circuit). Due to the temperature difference between the media, heat is transferred from one medium to another.\r\n\r\nIf the medium inside the tubes is hotter, it releases heat to the tube walls, and this heat is transferred to the cooling medium in the shell. If the medium inside the tubes is colder, the reverse process occurs\u2014the cold medium absorbs heat from the hot medium in the shell.\r\n<h2>Construction of shell-and-tube heat exchangers<\/h2>\r\nShell-and-tube heat exchangers consist of the following main components:\r\n\r\nShell (housing): The outer casing of the heat exchanger that holds the internal tube bundle and provides space for the circulation of the heat transfer medium. It is usually made of steel or other corrosion- and heat-resistant materials.\r\n\r\nTube bundle: Inside the shell there is a large number of tubes through which one of the working media flows. Tubes can be straight or U-shaped depending on the design. Tube materials must also resist the working medium.\r\n\r\nTube sheets: The tubes are fixed in tube sheets, which support them and seal the space between the tube bundle and the shell. These also ensure separation of the working media and prevent mixing.\r\n\r\nHeads (covers\/flanges): Located at the ends of the shell, they distribute the flow of the working medium into and out of the tubes. They provide sealing and access for maintenance.\r\n\r\nBaffles: Installed inside the shell, they direct the flow of the medium along a longer path, increasing contact time with the tubes and improving heat transfer efficiency.\r\n<h2>Main components and their functions<\/h2>\r\nShell: Provides mechanical protection of the tube bundle and space for the flow of one of the working media.\r\n\r\nTube bundle: The main heat transfer element where heat exchange occurs between media.\r\n\r\nTube sheets: Fix the tubes and ensure system tightness.\r\n\r\nHeads and chambers: Direct flow and allow maintenance access.\r\n\r\nBaffles: Improve heat transfer efficiency by controlling flow direction.\r\n<h2>Advantages of shell-and-tube heat exchangers<\/h2>\r\nShell-and-tube heat exchangers offer several key advantages that make them widely used in industry.\r\n<h3>Strength and durability<\/h3>\r\nHigh mechanical strength: They can withstand high pressures and temperatures, making them suitable for harsh environments such as oil and gas, chemical processing, and power generation.\r\n\r\nDurability: Made from high-quality materials such as stainless steel, carbon steel, copper alloys, or nickel alloys, they are resistant to corrosion, wear, and chemical exposure.\r\n\r\nCorrosion resistance: Material selection allows adaptation to aggressive environments, including the use of titanium or special alloys.\r\n<h3>Flexibility in handling different media<\/h3>\r\nCompatibility with various media: They can operate with liquids, gases, steam, and even aggressive or contaminated media.\r\n\r\nAdaptability: Modular design allows configuration changes (adding or removing tubes, modifying layout), making them suitable for different processes.\r\n\r\nWide range of sizes and configurations: They can be horizontal or vertical, with different tube layouts and flow passes.\r\n\r\nMulti-pass design capability: Internal baffles allow control of flow velocity and turbulence, improving heat transfer efficiency.\r\n<h2>Applications of shell-and-tube heat exchangers<\/h2>\r\nShell-and-tube heat exchangers are used across many industries due to their reliability and versatility.\r\n<h3>1. Chemical industry<\/h3>\r\nUsed for condensation and evaporation, heating and cooling of reaction mixtures, and heat recovery in chemical processes. They handle aggressive media such as acids, alkalis, and solvents.\r\n<h3>2. Oil and gas industry<\/h3>\r\nUsed for cooling crude oil and gas, distillation processes, and heat exchange in refining units such as hydroprocessing and cracking systems.\r\n<h3>3. Energy sector<\/h3>\r\nUsed in boilers and steam turbines for feedwater heating, steam condensation, and heat recovery from exhaust gases.\r\n<h3>4. Food industry<\/h3>\r\nUsed for evaporation, concentration of syrups and juices, and heating or cooling of sensitive products such as oils, honey, and dairy products.\r\n<h3>5. Other industries<\/h3>\r\nMetallurgy: cooling process fluids and heat recovery systems.\r\n\r\nMarine industry: cooling engines and generators using seawater-resistant materials.\r\n\r\nPetrochemicals: production of plastics, resins, and synthetic materials.\r\n\r\nPulp and paper industry: heating and cooling process liquids and energy recovery in drying systems.","protected":false},"excerpt":{"rendered":"<p>Shell-and-tube heat exchangers are devices designed for heat transfer between two or more working media (liquids or gases) that do&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"Shell-and-tube heat exchangers in industry: what are they for and where are they used? | ANKOR TEPLONEERGO","_yoast_wpseo_metadesc":"Shell-and-tube heat exchangers are devices designed for heat transfer between two or more working media (liquids or gases) that do not mix with each other. They are widely used in various industries, including oil and gas, chemical, energy, metallurgical, food, and others.","footnotes":""},"categories":[180],"tags":[],"class_list":["post-20649","post","type-post","status-publish","format-standard","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Shell-and-tube heat exchangers in industry: what are they for and where are they used? | ANKOR TEPLONEERGO<\/title>\n<meta name=\"description\" content=\"Shell-and-tube heat exchangers are devices designed for heat transfer between two or more working media (liquids or gases) that do not mix with each other. 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