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The shell and tube heat exchanger is composed of the shell, the heat transfer tube bundle, the tube sheet, the baffle plate (baffle plate) and the tube box. The shell is mostly cylindrical, and a tube bundle is installed inside, and the two ends of the tube bundle are fixed on the tube plate.
There are two kinds of hot and cold fluids for heat exchange, one is flowing inside the tube, called the tube-side fluid; the other is flowing outside the tube, called the shell-side fluid.
In order to improve the heat transfer coefficient of the fluid outside the tube, several baffles are usually installed in the shell. The baffle can increase the velocity of the shell-side fluid, forcing the fluid to pass through the tube bundle laterally multiple times according to the prescribed distance, and enhancing the degree of fluid turbulence.
In nuclear power plants called pressurized water reactors, large heat exchangers called steam generators are two-phase, shell-and-tube heat exchangers which typically have U-tubes. They are used to boil water recycled from a surface condenser into steam to drive a turbine to produce power. Most shell-and-tube heat exchangers are either 1, 2, or 4 pass designs on the tube side. This refers to the number of times the fluid in the tubes passes through the fluid in the shell. In a single pass heat exchanger, the fluid goes in one end of each tube and out the other.
Surface condensers in power plants are often 1-pass straight-tube heat exchangers (see Surface condenser for diagram). Two and four pass designs are common because the fluid can enter and exit on the same side. This makes construction much simpler.
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Shanghai Aibao Industrial Co., Ltd. is committed to the production of heat exchangers. The manufacturer specializes in the design, production, customization, technical improvement, product upgrading, sales, maintenance, testing, and repair of heat exchange equipment, including stainless steel plate heat exchangers, fully welded plate heat exchangers, brazed plate heat exchangers, and asphalt ammonia steam heat exchanger units. The company has strong technical expertise and advanced manufacturing capabilities, utilizing key equipment such as 6,000-10,000-ton hydraulic presses. It continuously develops new products that meet international standards. Adhering to the principle of "customer first," we provide high-quality services to our clients. We warmly welcome customers to contact us for cooperation and business negotiations.
Our Advantages
• 1. Uncompromising Quality
With our ISO certification and TMQ management, plus a rigorous quality check, we embody the belief that 'quality is our culture.' Partnering with us ensures that your investments are secure and your business is protected.
• 2. Empowered Team
We boast a stronger and highly professional team of technicians and a dedicated R&D department.
• 3. Innovative Design
Our new design in plate heat exchangers features vibrant color brilliance, delivering reliable performance with extensive varieties and complete specifications.
• 4. Competitive Pricing
Outshine your competitors with our dependable quality, superior materials, cutting-edge technology, and meticulous craftsmanship. Complete specifications with guaranteed quality and quantity, all backed by our esteemed reputation.
• 5. Efficient Shipping & Packaging
Typically delivered in 7 working days, accepting MQQ for your testing needs.
Goods are protected with sturdy plywood cases and cartons.
• 6. Flexible Payment Terms
We accept T/T, Visa, Western Union, and PayPal.
• 7. Exceptional Service, Exceptional You: We deliver not just heat transfer solutions but also personal guidance to ensure our products and services exceed your expectations, a commitment to eternal customer satisfaction.
1.Can I have your samples?
2. What is your leading time for the products I need?
Generally 7 working days. lt depends on the quantities you request.
3. Do you have your own factory?
Yes, welcome to visit our factory and check our products.
4.What is the warranty for your products?
We provide one year warranty for all the items we sold.
5.What payment terms do you accept?
Trade Assurance/TT/ Letter of Credit/ Western Union.
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