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Boiler Kapal Tanker-Boiler Ship Tank

Rp. 123
Last Updated
16 Mar 2023
Country Origin
Indonesia
Minimum Order
1 unit

Specification of Boiler Kapal Tanker-Boiler Ship Tank

Boiler Kapal

Boiler Kapal

Marine Boilers – Marine Engineering Knowledge

October 13, 2015 10:40 am | 1 Comment | Frozee

What is the meaning of marine boilers ?

Boiler is a pressure vessel used on ships in which the water is heated to evaporate and generate the steam and the unit is so arranged that the generated steam accumulated in it. The two main types are water tube and fire tube.

What is the boiler mounting ?

It is directly fitted to the boiler shell. They are:

  1. Safety valve
  2. Main steam stop valve
  3. Air vent cock
  4. Two gauge glass level indicators
  5. Feed check valve
  6. Scum blow down valve
  7. Bottom blow down valve
  8. Salinity cock or test cock
  9. Man hole doors.

Where are air vent cock located and its purpose ?

The air vent cock is fitted at the top of the steam space of the boiler.

Its purpose are-

  1. To release air from the boiler either filling the boiler water or raising the steam.
  2. To allow air to enter in the event of boiler cooling down or blowing down. ( to prevent vacuum effect)

What are the safety arrangements in marine boiler ?

  1. Safety valve
  2. Low / high water level alarm
  3. Too low water level alarm and shut down
  4. Water level indicators
  5. Pressure gauge
  6. Low fuel oil pressure alarm
  7. Low / high fuel oil temperature alarm
  8. Flame failure alarm
  9. Smoke density alarm
  10. Easy gear arrangement
  11. Air vent
  12. Force draught fan stop alarm
  13. Low / high steam pressure alarm

Why need to blow down the gauge glass ?

Gauge glass blow down is made to know the boiler and gauge glass connection is clear or not and to give the exact water level in the boiler.

 Boiler gauge glass blow through procedure ?

  1. Shut steam and water cocks than open the drain cock.
  2. After draining water from the sight glass, there is nothing come out, both steam and water cocks are good in order.
  3. Open the steam cock side, blow out the steam.
  4. Close the steam cock side, the steam connection is clear.
  5. Open the water cock side, blow out the water.
  6. Close the water cock side, the water connection is clear.
  7. Close the drain cock.
  8. Open the water cock, water should then gradually come rise up to the top of the gauge   glass.
  9. Open the steam cock, the water in the glass should fall to the level of the water in the boiler.



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