Shell & Tube Heat Exchanger Explained _ Parts, Working, Design & Applications#heatExchanger#ShellAnd

TechNova_004 Patel

Shell and Tube Heat Exchanger is one of the most widely used thermal equipment in industries. In this video, we clearly explain:  ✔ What is a Shell & Tube Heat Exchanger? ✔ All parts: Shell, Tube bundle, Baffles, Tube sheets, Nozzles, Tie rods ✔ How heat transfer happens ✔ Types of shell & tube heat exchangers ✔ Applications in industries ✔ Important design considerations  This video is perfect for: – Mechanical engineering students – Maintenance and operation teams – HVAC & chemical plant engineers – Anyone preparing for interviews or exams  If you find this explanation helpful, please LIKE the video and SUBSCRIBE to the channel for more engineering knowledge.   ---  🔎 Tags (SEO Optimized)  shell and tube heat exchanger heat exchanger working shell and tube heat exchanger parts heat exchanger explanation mechanical engineering basics industrial heat exchanger chemical engineering equipment how heat exchanger works engineering video hindi HVAC heat exchanger thermal engineering baffle design heat exchanger tube bundle U tube heat exchanger counterflow heat exchanger process equipment lecture engineering study video   ---  🔥 Hashtags  #heatExchanger #ShellAndTube #MechanicalEngineering #EngineeringVideo #ThermalEngineering #IndustrialEquipment #HVAC #EngineeringStudents #ProcessPlant

Transcript

00:00Hello everyone. Welcome back to the Technova Channel Engineering Series.

00:05In today's video, we will understand one of the most commonly used industrial equipment,

00:10the shell and tube heat exchanger.

00:12We will explore all its parts, their functions, and how the heat exchanger actually works.

00:19Section 1. What is a shell and tube heat exchanger?

00:22A heat exchanger is a device that transfers heat between two fluids without allowing them to mix.

00:29In a shell and tube heat exchanger, one fluid flows inside the tubes,

00:34and the other fluid flows outside the tubes but inside the shell.

00:38Heat transfers through the metal walls of the tubes.

00:42Section 2. Major parts and their functions.

00:45One shell. This is the cylindrical outer body.

00:48The shell side fluid flows through this space.

00:51It also provides structural support to all internal components.

00:562. Tube bundle. The tube bundle is a group of many small tubes.

01:00The tube side fluid flows through these tubes.

01:04Most of the heat transfer occurs here.

01:063. Tube sheet. This is a thick circular plate.

01:10All tubes are fixed into the tube sheet.

01:12It separates the shell side and tube side fluids to prevent mixing.

01:164. Baffles. Baffles are metal plates installed inside the shell.

01:21They force the shell side fluid to flow across the tubes instead of flowing straight.

01:27This increases heat transfer and reduces tube vibration.

01:315. Baffle support rod. These rods hold the baffles in place and maintain alignment.

01:376. Channel slash head. This part directs the tube side fluid into and out of the tubes.

01:43It is usually located on the front of the heat exchanger.

01:477. Head cover. This is the removable cover attached to the channel.

01:52It allows inspection and maintenance of the tube side.

01:558. Gaskets. Gaskets create leak-proof seals between flanges to prevent leakage.

02:019. Bolts and nuts. These fasteners hold the channel and shell flanges together and ensure a tight, leak-free joint.

02:0910. Mounting supports. These supports keep the heat exchanger stable during operation.

02:1511. Lifting lugs. These are used to lift the equipment safely during installation or maintenance.

02:2112. Shell end body cover. This cover allows access to the tube bundle for maintenance or replacement.

02:28Section 3. How heat transfer happens. Let's understand the working.

02:331. Tube side fluid enters the channel. 2. It flows through the tubes.

02:393. Shell side fluid flows around the tubes inside the shell.

02:434. The two fluids do not mix.

02:465. Heat passes through the tube walls from the hot fluid to the cold fluid.

02:51This design is simple, efficient and suitable for high pressure and high temperature applications.

02:58Section 4. Industrial applications.

03:02Heavy check mark oil and gas refineries.

03:05Heavy check mark chemical plants.

03:07Heavy check mark power plants.

03:09Heavy check mark food processing industries.

03:11Heavy check mark marine applications.

03:14Thank you so much for watching.

03:16If you enjoyed this explanation, please like, share and subscribe.

03:20And don't forget to comment which engineering topic you want next.

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