Indian Boiler Course presents this topic in a plant-oriented, examination-ready format. The lesson combines principles, construction, operation, safety, inspection points, troubleshooting and revision questions.
Overview
Purpose, bottom versus continuous blowdown, heat recovery and water-chemistry relationship.
Why It Matters
This topic affects efficiency, reliability, safety and examination performance. Relate the concept to actual indications, operator actions and inspection evidence.
Key Takeaways
- Understand the physical mechanism.
- Recognise early warning signs.
- Know the approved preventive controls.
- Support answers with a simple diagram or calculation.