What is heat exchanger plugging?

What is heat exchanger plugging?

Overall structure of the heat exchanger. Plugging of tubes are the most common form of maintenance of shell-and-tube heat exchangers. When the heat exchanger has been opened for inspection and repair, individual tubes that have been determined to be leaking by testing can be plugged.

How many tubes can you plugged in a heat exchanger?

Roughly 9% of the tubes can be plugged in. If more than 10% of tubes are to be plugged, one can do some calculations to see if the required heat transfer is achieved.

What is 2/4 shell and tube heat exchanger?

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. Two and four pass designs are common because the fluid can enter and exit on the same side.

What is perma plug in boiler?

EST Group CPI / Perma Plugs are hydraulically installed medium pressure exchanger tube plugs for tube ID’s from 0.472″ to 2.067″ up to 1000 psi. These plugs are available in many materials to match the tube material.

What is the maximum number of tubes in a heat exchanger?

In Power plant 500-1000 MW or more turbine hot well surface condenser are available more than 10,000 Number of tubes. waste heat boiler in power plant gas turbine are shell & tube type heat exchanger are also larger size and having 5000-12000 number of tubes.

How many tubes does a condenser have?

It consists of four concentric glass tubes and a central glass rod, with a thinner glass rod coiled around it to increase the surface area.

How many tube passes does a 2/4 shell and tube heat exchanger have?

More common is 2-4 exchanger which has two shell side pass and four tube side passes. This type of exchanger also gives higher velocities and a larger overall heat transfer coefficient than 1-2 exchanger having two tube side passes and operating with the same flow rates.