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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
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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Skid mounted cargo heater/booster units are supplied with high quality cargo heaters of own design and manufacture and Svanehøj booster pumps.
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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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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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The Bloksma oil & water heater has a removable tube-bundle with U-bends. This construction allows a free expansion of the tubes. The tube sheet is bolted between two flat gaskets. U-bended seamless drawn tubes (St. 35.8) are roller expanded into the tube sheets. In case of thermal oil the tubes are additionally seal-welded. The cover is provided with welded flanges according to ISO or (compact) SAE norms to reduce space-requirements. This SAE connection is preferred by module-builders.
The standard version of the heater is made of mild steel. Other materials, such as stainless steel and copper-nickel with coated cover and coated intermediate ring are possible. All steel parts are shot blasted and painted with a layer of heat-resistant aluminium coating, silver coloured RAL 9006.Heaters are supplied with a rust-preventing layer for storage up to 6 months. Insulation (optional) by mineral wool mats, covered with galvanised steel plate. Alternative constructions are available for use as tank-suction heater or tank heater
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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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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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High efficient. 3-pa-.s cross-counterflow healer, designed according to the most stringent West-European regulations. The heat transfer fluid is flowing through a single-pass coil to ensure optimum heal exchange with the hot gases from the burner.
The heater can be equipped with a special burner for gas, light oil and/or heavy fuel and can be used tor thermal oil temperatures up to 350 "C.
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Our TH thermal oil heaters have been engineered for maximum efficiency even without feed air preheater. On these kind of heaters it is possible to install every type of commercial burner, which allows the costumer to have an easy and low cost of the after sales service, anywhere needed. The characteristics of the TH heaters are:
- Compact dimension.
- Quick set-up.
- Maximum running reliability.
Vertical and horizontal versions according to the costumer's needs. The possibility to use a fluid in Iiquid fase at high temperature (up to 340° C) and with atmospheric pressure is extremely interesting for marine applications.
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