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Before the Oil Crisis in 1974, majority of oceangoing ships utilizes a Main Boiler for its steam source. One such type of ship is an Oil Tanker which uses a Steam Turbine for its propulsion while the flue gas is processed and used to inert the oil tanks thereby preventing an explosion during cargo operations. But after the Oil Crisis, steam propulsion gave way to diesel propulsion because the latter consumes less fuel and its efficiency was improved because of some modifications such as utilizing the waste heat to produce freshwater out of seawater and steam production using the economizer. That is the reason why most of the oceangoing ships today, is using an Auxiliary Boiler instead of the massive Main Steam Boilers to heat oil tanks, heating during winter time and for cooking food in the galley to name a few.

Requirements for the Bachelor of Science in Marine Engineering(BSMarE)

In order to comply with the Revised Curriculum for Bachelor of Science in Marine Engineering (BSMarE) in compliance with CHED Memorandum Order # 67 series of 2017 and Annex C.2 of Joint CHED-MARINA Memorandum Circular No. 02, series of 2019, an Operational and Functional Boiler is needed in order to be utilized for the following subject in BSMarE course namely: Power Plant 2- STEAM PLANT. One such equipment that complies with this requirement is the COMPACT STEAM TURBINE POWER PLANT from ESSOM.

136+ COMPACT STEAM TURBINE POWER PLANT, 1.5 kW
GENERAL DESCRIPTION

The unit is designed to simulate modern steam power plant. Main components consist of a feed water system, a small industrial boiler, a steam turbine, a generator and lamp load, a condenser with a condensate tank and a pump, and a cooling tower. Accessories such as fuel tank, fuel flow meter, feed water meter, and a stack are also included. Instruments are provided for measurement of pressures, temperatures, output voltage and currents.

TYPICAL EXPERIMENTS
TECHNICAL DATA
Boiler Unit:
TypeVertical, water tube.
Rated heat output125 kW (107,000 kcal/h)
Equivalent evaporationApprox 200 kg/h steam at 0 kg/cm2 gauge.
Maximum working pressure10 kg/cm2 (0.98 MPa)
Measuring instruments:-Pressure gauge for steam outlet.
-Temperatures for feed water, boiler outlet, pressure regulator inlet, and exhaust stack.(including ambient temperature)
Safety devices– Safety valve
– Low level alarm
– Level gauge and switch
Boiler accessories– Steam separator
– Steam pressure regulator
– Feed water pump
– Stack, 6 m stainless steel with elbows
TECHNICAL DATA
Burner:
TypeForced draft, pressure atomized
ControlOn-Off
FuelDiesel or kerosene. (LPG is available as an option.)
Fuel systemStainless steel fuel tank, fuel strainer and fuel meter
Feed water system:
Resin filter for public water
Stainless steel soft water tank
Water meter
Power supply380V. 3Ph. 50Hz Other power supply is available on request
TECHNICAL DATA
Single-Stage Industrial Steam Turbine
DescriptionThis is an educational unit steam turbine with measuring instruments and synchronous belt for driving the generator.
Technical data
TypeSingle stage, twin nozzle impulse turbine
Construction– Vacuum cast inconel wheel
– Stainless steel casing shaft and nozzle
Maximum mechanical outputUp to 1.5 kW with superheated steam (optional)
Maximum speedApprox 33,000 rpm
Exhaust pressureAtmospheric
Generator and Lamp Load
Measuring instruments
Generator speed, voltage and current digital display

Steam is generated by the small industrial boiler and drives a steam turbine which can connected to either a generator or a Water Brake Absorber Dynamometer. The dynamometer is connected to the turbine for measurement of mechanical output. Speed and torque sensors and indicators are provided. The unit is compact yet fully functional steam system just like the one utilized onboard oceangoing ships.

Why use ESSOM Products?
Quality assurance

ESSOM has been certified ISO 9001 Quality Management System since 1999. The scope of certification includes Design and Manufacturing of engineering equipment as well as Sales and Service of both engineering education and paint spray equipment. All the engineering education products have been designed by their experienced and well qualified engineers. Prototypes must pass design test standards before market introduction. Parts and materials are sourced from approved supplier/material lists and must pass receipt inspection. In-process inspection is carried out at key manufacturing stages with final inspection after completion. All new products must pass strike design test before market introduction.

Market

With ESSOMs global marketing network of agents and sales partners they have now supplied their equipments to over 50 countries.

References:
  1. ESSOM
  2. marine auxiliary boiler/Machinery, Tools and supplies/Apparel & Accessories
  3. Products: Auxiliary Boilers I Mitsubishi Heavy Industries Marine Machinery & Equipment Co. Ltd.
  4. 1.Z BOILER(MARINE AUXILIARY BOILER)
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