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General
Shell and tube design with small diameter U-tubes
Marine and industrial applications with fluids such as steam, fresh or treated water, thermal oil, lubrication oil, heavy fuel oil, engine coolant, food processing fluids, acids
Flexible design with customization facilities, adaptable to all applications
Design data
Heater capacity range: 10 - 5,000 kW
Shell diameters/lengths: Ø100 - 400/660 - 2,700 mm
Design pressure shell/tube: up to 30/16 bar (g)
Design temperature shell/tube: up to 195/212 ºC
Materials: Tubes: carbon steel
Shell: carbon steel
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Electric flow-through heater, vertical or horizontal installation
Marine and industrial applications with fluids such as lubrication oil, heavy fuel oil, fresh or treated water, engine coolants
Flexible design with customization facilities, adaptable to all applications
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General
Electrical flow-through preheater, horizontal installation
Designed for marine applications.
Flexible design with customization facilities, adaptable to all applications
Design data
Heater capacity range: 19 - 108 kW
Surface load: 8.0 - 10.0 W/cm2
Shell diameters (mm): Ø 168.3 - 219.1
Heater lengths (mm): 1,000 - 1,200 (alt. 1,500)
Design pressure: up to 10 bar(g)
Design temperature: 95 ºC
Materials: Tubes: AISI 316L stainless steel
Shell: carbon steel
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General
Forced-circulation vertical heater for recovering heat from exhaust gas
Designed with low pressure loss
On request equipped with integrated inlet and outlet boxes
Coils made of bare tubes
Integrated exhaust gas by-pass damper as an option (up to 80,000 kg/h exhaust gas flow)
Top-mounted water washing system for soot cleaning during non-operation and fire fighting
Soot cleaning system during operation fitted at exhaust gas inlet.
Design data
Capacity: 100 - 5.000 kW
Design pressure: 10/13 bar(g)
Thermal fluid design temperature: 300 ºC
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Design data
Capacity: 100 - 20,000 kW
Design pressure: 10/13 bar(g)
Thermal fluid design temperature:
280 - 350 ºC
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Design data
Capacity: 100 - 20,000 kW
Design pressure: 10/13 bar(g)
Thermal fluid design temperature:
280ºC
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General
Electrically heating elements are arranged centrically in a pipe system, and heated oil will flow parallel. The produced heat of heating elements will be transmitted t hot oil and transmitted to hot oil and transferred to heat consumers.
Heating and cooling as required
It is frequently necessary to require a cooling time after a heating period in a discontinuous process. The combination of electric hot oil heater and counter flow heat exchanger makes this possible.
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Cargo Heaters (Deck Heaters):
Cargo heater (deck heater), tube type for installation on open deck or in closed deck trunks.
Heating media: Thermal oil, Hot-water or Steam
Capacity range: 100 - 2000 kW
Material: Stainless steel AISI 316 L (Standard). Other
material can be optional on request.
Advantages:
Simple installation compare to heating coils.
Smooth and plane cargo tanks without obstacles and cleaning shadows.
Easy cleaning of deck heater due to simple dismantling manoeuvres.
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Heating Coils
Thermal Oil Heating Systems have been installed in a large number of chemical tankers, ferries and cargo carriers during the last years. Thermal oil fed directly to various types of heating coils is used in most of the chemical tankers build now days.
To maximize heating efficiency both horizontal and vertical heating coils can be used in cargo heating. The pipe materials are stainless steel or carbon steel. The GESAB Heating Coil Calculation computer based program, HCC, minimizes costs of pipe work and material.
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The principle:
GESAB - HTI Thermal Oil Heaters are built according to DIN 4754 and the classification Societies´ rules for pressure vessels. The forced circulation heaters of vertical or horizontal design are available of outputs of 200-10000kW. Thermal Oil Heaters, with at heating capacity of 800 kW and upward, can use heavy fuel oil burners (viscosity to 700 cSt at 50 C). On request, we can supply burners with a rotating cups and heaters designed for combustion of waste oil and sludge. Generated heat, by oil or gas flame will be transferred to the thermal oil system through bent pipes forming cylinders inside the heater. Within the inner cylinder - the combustion chamber - the heat is transferred by radiation and in the outer cylinder by convection.
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Steam Generators (Unfired)
Steam generators for heating, cleaning and de-icing purposes. These are particulary requested for chemical tankers, where the cleaning requirement is an issue.
Design: Horizontal or vertical, tube type.
Heating media: Thermal oil or Hot-water
Capacity range: 100 - 3.500 kg/h
Steam pressure range: 3 - 10 Bar (g)
Material: Mild steel or Stainless steel in various qualities.
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AISI 316 Skidded 271 UHP pump type WOMA 752P26, with force-heated reservoir.
Q= 55 l/min @ 340 Bar / 34kW Eexd ATEX 100
Unit equipped with MultiVoltage el-controllers, suitable for Offshore / Marine installations.
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PHU preheating unit for warming up the coolant liquid system of diesel engine
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We deliver electrical tank and in line heaters. The diverse onboard heating needs of vessels or off- shore rigs require tailor made solutions which we can provide.
All our heaters are designed according the various international codes upon customer demand and are certified to several quality standards among which is the fulfillment of the European pressure equipment directive (PED).
The heaters can be delivered as a flange mounting for tank heating or as an inline flow though heater for heating up :
Hot water (heating and sanitary)
Thermal oil
Heavy fuel oil
Marine Diesel oil
Lubricating oil
Cooling water pre-heater
Sludge
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Circulating pumps are used in all for forced circulation heating systems.
GESAB are providing various makes and types of pumps for different heating purposes.
The flow amount is adapted to the capacity of heaters.
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