What is shell and tube evaporator?

What is shell and tube evaporator?

In the shell and tube flooded evaporator, the fluid to be evaporated is located outside the tubes. The tube bundle is immersed in the saturated fluid, contained on the shell side. Boiling can then occur by nucleation or by film, depending on the heat transfer situation.

What is evaporator heat exchanger?

Evaporator is the machine inside the air conditioner. Heat exchanger is the machine outside the air conditioner. If heating, exchange the internal and external machines.

What is shell and coil evaporator?

Shell and Coil evaporators have one or more spiral shaped, bare tube coils enclosed in a welded steel shell. They are generally dry expansion type with refrigerant in coils and chilled liquid in the shell. They have thermal capacity for application for high but infrequent loads.

Are evaporator and condenser heat exchanger?

All air conditioning systems contain at least two heat exchangers, usually called the evaporator and the condenser. In either case, evaporator or condenser, the refrigerant flows into the heat exchanger and transfers heat, either gaining or releasing it to the cooling medium.

What is the purpose of a shell and tube heat exchanger?

Shell and tube heat exchangers make it possible to pump materials as soon as possible, and they transfer temperatures efficiently so you can ensure the materials are at the necessary temperature without expending extra energy to do so.

What is the principle of evaporator?

Evaporation and vapouration are two processes in which simultaneous heat and mass transfer process occurs resulting into separation of vapour from a solution. Evaporation and vapourization occur where molecules obtain enough energy to escape as vapour from a solution.

What is the use of evaporator?

Evaporators are commonly used to concentrate foods by using heat to evaporate water from the food. As the liquid is concentrated, its boiling point is elevated. Using low pressure, boiling of liquid foods (such as juices) is carried out at low temperatures and the heat labile food attributes are preserved.

What is a shell and coil condenser?

The shell condenser, or shell-and-coil condenser as it is commonly called, is a tank made of steel with copper tubes inserted in the shell. Water circulates through the tubing and condenses hot gases into a liquid. The bottom of the shell serves as the liquid receiver.

What is difference between evaporator and condenser?

Evaporator Coils vs. Condenser Coils. The evaporator coil is the part of an air-conditioning system that removes heat and moisture from indoor air to cool it. The condenser coil takes that heat and releases it outside.

What is shell and tube used for?

Shell and tube heat exchanger is used in various industrial process applications because they can perform tasks such as: Removal of process heat and feed water preheating. Cooling of hydraulic and lube oil. Cooling of turbine, compressor, and engine.

Why is evaporator used?

What is the function of evaporator?

An evaporator is a device used to turn the liquid form of a chemical substance, such as water, into its gaseous form – vapor. In this process, the liquid is evaporated, or vaporized.

What is use of shell and tube heat exchanger?

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.