ID Fan,FD Fan & PA Fan in Boiler | ID Fan,FD Fan in Power Plant | Difference between ID or FD Fan

In this video we will discuss about ID,FD & PA Fan use in Boiler or Power Plant Draft system is required for basically two purpose ...

This article is a summary of a YouTube video "ID Fan,FD Fan & PA Fan in Boiler | ID Fan,FD Fan in Power Plant | Difference between ID or FD Fan" by Blossom Flower Delivery

Key insights about video ID Fan,FD Fan & PA Fan in Boiler | ID Fan,FD Fan in Power Plant | Difference between ID or FD Fan

📝 The Force Draft Fan forcefully draws air from the environment into the furnace, increasing the combustion efficiency of the boiler.

✨ The ID fan, also known as the Indus drop fan, pulls out the hot flue gas produced after fueling and creates negative pressure to remove it through the chimney.

🔁 The RPM of the ID fan is kept low, while the HD fan is larger and pulls cold air from the atmosphere.

⚙️ Spherical roller bearing is used for the ID fan, while the FB roller bearing is used for the HD fan.

🔧 Motor with more than 10 horsepower should be fitted with BFD to reduce the load on the bearing and shaft.

💰 Coupling is rarely used for the HD and ID fans as it is costly. Flexible cup penis with steel flex is commonly used to balance the exit and radial load.

📊 Regular vibration readings and maintenance of the fan are important to prevent major vibrations and failures.

Timestamped Summary

01:01 Force Draft Fan forcefully draws air from the environment into the furnace, increasing combustion efficiency.

01:49 ID Fan reduces the hot flue gas after burning the fuel, creating negative pressure to pull out the flue gas through the chimney.

02:23 HD Fan is larger and handles colder air from the atmosphere.

02:49 ID Fan uses spherical roller bearings while HD Fan uses FB roller bearings.

03:17 BFD must be fitted with a motor of over 10 horsepower to reduce load on the bearing and shaft.

03:25 Flexible coupling is commonly used for HD and ID fans.

03:43 Maintenance involves regular vibration readings to detect any problems before major vibrations occur.

04:20 Primary Air Fan (PF end) is used to feed hot air to the furnace, reducing chances of sticking.

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Q&A

What is the purpose of ID and FD fans in a boiler?

The purpose of the ID (Induced Draft) and FD (Forced Draft) fans in a boiler is to control the airflow and assist in the combustion process. The FD fan forcefully draws air from the environment into the furnace to support efficient fuel burning, while the ID fan pulls out the hot flue gas and creates negative pressure to remove the exhaust gases through the chimney.

ID Fan,FD Fan & PA Fan in Boiler | ID Fan,FD Fan in Power Plant | Difference between ID or FD Fan

Key insights about video ID Fan,FD Fan & PA Fan in Boiler | ID Fan,FD Fan in Power Plant | Difference between ID or FD Fan

Timestamped Summary

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Q&A

What is the purpose of ID and FD fans in a boiler?