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Heavy Oil Commercial Thermal Steam Boiler Power Plant With Gauge
Valves
Applications:
Marine/Industry
Specifications:
◎. Oil Fired Boiler
Light oil or heavy oil is suitable for this boiler plant. The
boiler can be used for heat supply, oil heating and daily life
service.
Brief Introduction of Boiler Structure
The boiler body consists of boiler shell, furnace and pin tubes
with an all welded type structure. The pin tube being assembled
inside theΦ219 or Φ273 smoke tube separately, consists of
closed-pitched columnar steel pins which are welded on the outside
surface of a steel tube. The boiler furnace is a full water cooling
furnace consisting of a cylindrical furnace and upper, lower end
which increases heat transfer efficiently.
The convection-heating surface of boiler consists of smoke tubes
and pin tubes. The high temperature smoke from furnace enters into
smoke tubes, flush the internal surface of smoke tubes and the pin
tubes at the same time, forming a high efficient convection-heat
exchange tube group.
The setting & function of boiler accessories
a. Main steam valve — on the top of boiler, which can transfer the
steam from boiler to steam main pipe.
b. Safety valve — on the top of boiler, which can discharge all the
steam at full load when the boiler is over pressure.
c. Water level gauge and water level controller — on the
steam-water interface, which is used for boiler water level
indication and for the supervision by boiler operator. The water
level controller is used to transmit the value of boiler water
level. The control system will control the feeding water pump or do
burner emergency stop according to the signals received
respectively.
d. Feeding water stop valves and check valves — on the shell side,
one set for main feed water and another set for standby purpose.
e. Scum valve — to be used for draining off the suspension of oil
sludge.
f. Blow down valve — to be used for draining off the boiler’s
deposition and dirt.
f. Gauge valves — on the top of boiler, to be used for connecting
the instruments with steam inside the boiler.
g. Air vent valves — to be used for discharge the air inside the
boiler when pressure is increased.
There are manholes and hand holes on the boiler shell in order to
maintenance the inside parts of boiler conveniently.
In order to decrease the heat loss of boiler and to low the surface
temperature of boiler, the outside surface of boiler should be
packed with insulation material and covered with thin galvanized
steel plate.