Heat exchangers

Delivering Reliable Used Equipment at Competitive Prices-View Our Inventory. Wide Selection of Weil-McLain HVAC Equipment. Free Shipping Over $200. What are the different types of heat exchanger?

What problems occur with heat exchangers? Do heat exchangers really save energy? Should I replace heat exchanger? There are three primary classifications of heat exchangers according. Heat exchanger Flow arrangement.

Double pipe heat exchangers are the simplest exchangers used in industries. One of the widest uses of heat exchangers is for air conditioning. In direct contact heat exchangers , the fluids are not separated within the device and heat transfers from one fluid to another through direct contact. On the other han in indirect heat exchangers , the fluids remain separated from one another by thermally conductive components, such as tubes or plates, throughout the heat transfer process.

The components first receive heat from the warmer fluid as it flows through the heat exchanger , and then transfer the heat to the cooler fluid as it. These heat exchangers are 1 factory teste are made of stainless steel, and have heavy duty male pipe thread connections, and mounting studs come standard. Get a dependable heat exchanger from Grainger for your next HVAC project. Choose from brazed plate, shell and tube, double wall brazed plate and plate and frame types. You’ll find heat exchangers that transfer heat water to water, oil to water and Rto water.

Some models offer more than one heat transfer option. Other types of tubular exchanger include: Furnaces —the process fluid passes through the furnace in straight or helically wound tubes and. Tubes in plate—these are mainly found in heat recovery and air conditioning applications. Electrically heated–in this case the fluid normally flows over the.

Put simply, a heat exchanger is a device which transfers heat from one medium to another, a Hydraulic Oil Cooler or example will remove heat from hot oil by using cold water or air. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries, natural-gas processing, and sewage treatment. The most common type of heat exchanger is the shell-and-tube type illustrated in Figure 2. It utilizes a bundle of tubes through which one of the fluids flows. These tubes are enclosed in a shell with provisions for the other fluid to flow through the spaces between the tubes.

The plate heat exchanger consists of different heat transfer plates, which are sealed by gaskets, or braze or welded together. The heat exchanger’s individual transfer plates are arranged in packages, which form flow channels through which the hot and cold media alternatingly flow. Larger heat transfer area. Approximately times lighter in weight than that of shell and tube heat exchanger. Able to withstand high pressure.

Might cause clogging as the pathways are very narrow. Another type of heat exchanger is a plate-fin heat exchanger, which can provide air-to-air, air-to-liqui liquid-to-air, or liquid-to-liquid cooling. Plate-fin heat exchangers consist of finned chambers separated by flat plates and are circuited in alternating hot and cold fluid passages.

The simplest heat exchanger is one for which the hot and cold fluids move in the same or opposite directions in a concentric tube (or double-pipe) construction.