ESP

Question 1

What is the purpose of the ESP?

Answer 1

• to remove particulates from the flue gas before it enters the stack
• to transport and store ash

Question 2

When the ESP is in service, why is it important to maintain less than 8% excess O2.

Answer 2

• excess O2 greater than 8% can cause a hopper fire

Question 3

In order to place the ESP in service, what equipment needs to be running?

Answer 3

• insulator heaters (minimum of 8 hours)
• hopper heaters (minimum of 8 hours)
• penthouse blowers and heaters ( minimum of 2 hours)
• fluidizing air blower and heater
• ash transport blower and heater