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Boiler mounting | Boiler accessories

July 20, 2018 by Dr. IM Leave a Comment

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What are the Boiler mounting & Boiler accessories?

Answer: Boiler mounting | Boiler accessories

Boiler mounting

  • Boiler mountings are components used for ensuring the safety of boiler operation.
  • These are generally mounted on the surface of the boiler.
  • Control fluid parameters at the inside of the boiler shell.
  • The mountings are the essential part of a boiler, without which boiler operation is impossible.
  • Proper maintenance is required.
  • The size of boiler mounting is less as compare to boiler accessories.
  • Examples: Pressure gauges, water level indicator, safety valves, stop valve, fusible plug, blow off cock, etc.

Boiler accessories

  • Accessories are the auxiliary items required for the proper operation of the boiler and to improve the efficiency of it.
  • These are integral parts of the boiler, but not mounted on it.
  • Control fluid parameters outside of the boiler.
  • These are not essential parts of the boiler,
  • without which the boiler can operate though at lower efficiency.
  • Proper maintenance is not required.
  • The size of boiler accessories is large.
  • Examples: Superheater, feed pump, injector, economizer, steam separator, air preheater, etc.

The various mountings and accessories including their purpose or function used in the locomotive boiler are:

1. Safety valves
Purpose: To release excess steam from the boiler.
2. Pressure gauge
Purpose: To measure the steam pressure inside the boiler.
3. Water level indicator
Purpose: To show the water level inside the boiler.
4. Fusible plug
Purpose: To protect the boiler against overheating.
5. Blow-off cock
Purpose: To empty the boiler for repairing, cleaning, and remove the mud.
6. Feed check valve
Purpose: To control the excess supply of water to the boiler.
7. Superheater
Purpose: To increase the temperature of steam above its saturation point.
8. Economizer
Purpose: To use the waste heat of flue gases for heating the feed water.
9. Air preheater
Purpose: To increase the temperature of the air before it enters the furnace.

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Filed Under: Technical Articles Tagged With: Boiler accessories, Boiler mounting, Difference between Boiler mounting & Boiler accessories

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