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  • Oil Fired Boiler Marine - China

    price: contact company for price

    General Description

    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


    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.

    Ⅲ, Boiler Working Principle

    The furnace and smoke side of boiler tubes absorb the heat

    produced by fired oil and transfer it to water, then the

    water will be evaporated into steam. Steam rise up and enter

    the vapor space because its specific gravity is reduced. The

    space left by steam will be made up by water with a heavier

    specific gravity. This process forms a natural steam-water

    circulation. When the water level becomes lower because

    water is evaporated into steam continuously, the feed water

    pump will feed water into boiler to keep the water level in

    the normal range. This process continues and steam will be

    produced continuously by absorbing the heat produced by

    fired oil to heat water.

    Company Contact:

    • Phone: 0512

    • Address: No 1 west renmin road, Suzhou, China

    • Email: Email

    Published date: June 6, 2013 -

    • Business Description: Shazhou Marine Boiler Co.,Ltd has built an enviable reputation as

      one of the nation s leading specialists in produce of marine

      boiler, pressure vessel and industrial boiler, which is

      headquartered in the State Level Hygiene City Zhangjiagang, Jiangsu

      Economical Development Area. The company is adjacent to

      Zhangjiagang Free Trade Zone with its convenient traffic to the

      surrounding cities, such as Suzhou, Wuxi, Nantong,Shanghai, Nanjing

      etc. From its origins as Shazhou Marine Boiler Factory, it has

      grown to get along with business with more than one hundred

      countries all over the world.

      Shazhou traces its history as a boiler engineering and manufacturing company back to 1956. We also have experiences in cooperating with Aalborg Industries from 1989~2001, supplied over 300 marine boilers. In 2003 we developed and produced 35t/h oil fired boiler for large vessel with Mitsubishi. In the end of 1999 our company reconstructed and became limited liability company. The company covers an area of 150 000 square meters with the aggregate asset of RMB150 000 000, fixed assets RMB70 000 000. Our team of highly qualified and experienced personnel includes 50 technological staff, 15 quality controllers for measurement, 10 non destructive inspectors and 150 workforces with welding certificates.

      Our company has produced more than 11000 utility marine boilers and pressure vessels with over 10 types and 100 specifications for ships. With higher quality, the products are delivered to over sea s market: such as Singapore, Japan, Italy, Romania, Iran, Norway, Germany, Spain, Denmark, etc.

      The company has been approved by all class societies of BV, CCS, DNV, GL, KR, LR, NK; has the product inspection certificates issued by societies of ABS and RINA. In 1997, we are awarded ISO9001 quality system certificate which was upgraded to ISO9001, 2000 version in 2004.

      Shazhou Marine Boiler Co.,Ltd will keep on introducingadvanced technology and equipment, inviting highly motivated professionals, developing courage, innovation and new products which meet the demand of market. We look forward to the opportunity to serve you and cooperate with you in the future.

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