- Practice · 4 marks
Requirements of an ideal boiler
Short answer
It must be safe, quick to raise steam, and highly efficient, delivering dry steam with low fuel consumption. The boiler should be compact, simple to inspect and maintain, low in cost, and able to burn available fuel. Good water circulation, provision for expansion, and compliance with safety codes are also essential.
List and briefly explain the requirements of an ideal boiler.
An ideal boiler should satisfy the following.
- Safety: high factor of safety with reliable mountings (safety valves, water gauge, fusible plug) and low explosion risk.
- Quick steaming: small water content and good circulation so steam is raised quickly and the boiler responds to load changes.
- High efficiency: large heating surface, good combustion and low heat losses to produce maximum steam per kg of fuel.
- Dry steam: adequate steam space and separators so the steam delivered is dry.
- Compact: small floor area and weight for the output, with ease of erection and transport.
- Simple construction: easy to inspect, clean, repair and maintain; all parts accessible.
- Low cost: low initial, operating and maintenance cost.
- Fuel flexibility: able to burn the available fuel with good combustion and low smoke.
- Free circulation and expansion: good water circulation and provision for unequal expansion, without leakage.
- Meets statutory codes for design and safety.
✓ Answer checked by Claude Opus 5.5 (high effort)
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