What is the in-line heat exchanger installed in the deaerator that minimizes steam loss to the atmosphere called?

What is the in-line heat exchanger installed in the deaerator that minimizes steam loss to the atmosphere called?

• A. Vent Condenser
• B. Deaerator Inlet Cooler
• C. Moisture Separator
• D. Boiler Economizer

Answer: (A)

The vent condenser is the in-line heat exchanger in the deaerator vent line that condenses the vapor escaping from the deaerator and returns that heat to the system. In a deaerator, steam heats the incoming feedwater to remove dissolved gases, but the vent carries away steam and heat to the atmosphere. By condensing that vented steam, the vent condenser recovers its latent heat, often transferring it back to the incoming feedwater or condensate, which reduces steam losses and improves overall efficiency. The other components don’t perform this energy recovery in the vent path: an inlet cooler only cools the water entering the deaerator; a moisture separator handles moisture in steam downstream and isn’t about recovering vent energy; and a boiler economizer captures heat from boiler flue gases, not from the deaerator vent.

The vent condenser is the in-line heat exchanger in the deaerator vent line that condenses the vapor escaping from the deaerator and returns that heat to the system. In a deaerator, steam heats the incoming feedwater to remove dissolved gases, but the vent carries away steam and heat to the atmosphere. By condensing that vented steam, the vent condenser recovers its latent heat, often transferring it back to the incoming feedwater or condensate, which reduces steam losses and improves overall efficiency.

The other components don’t perform this energy recovery in the vent path: an inlet cooler only cools the water entering the deaerator; a moisture separator handles moisture in steam downstream and isn’t about recovering vent energy; and a boiler economizer captures heat from boiler flue gases, not from the deaerator vent.