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2. Thimble tube boiler - Wikipedia

   en.wikipedia.org/wiki/Thimble_tube_boiler

   Many ship systems, from steam winches and cranes through to domestic heating and the heating of bunker oil as a fuel oil, use steam, produced by such an auxiliary boiler. One rare use of the thimble tube boiler as a directly fired power generator was an experiment fitting to Leyland steam wagons in 1920.

3. Vertical boiler with horizontal fire-tubes - Wikipedia

   en.wikipedia.org/wiki/Vertical_boiler_with...

   Cochran boiler. A vertical boiler with horizontal fire-tubes is a type of small vertical boiler, used to generate steam for small machinery. It is characterised by having many narrow fire-tubes, running horizontally. Boilers like this have been widely used on ships as either auxiliary or donkey boilers.

4. File:Active Indirect Water Heater Diagram.svg - Wikipedia

   en.wikipedia.org/wiki/File:Active_Indirect_Water...

   English: Active indirect water heater. 1: Municipal water feed 2: Fluid from water storage tank to external (passive) heat source; passive heat source can be the ground (soil or groundwater), sun or air; eg via heat pump, or thermodynamic solar panel 3: Fluid from heat pump, or thermodynamic solar panel to water storage tank 4: Pump, actuator, controller and other parts 5: Water heater 6 ...

5. Boiler design - Wikipedia

   en.wikipedia.org/wiki/Boiler_design

   Sections of a steam locomotive showing the many fire-tubes which carry the hot gases of the fire through the boiler to heat the water and so create steam. Boiler design is the process of designing boilers used for various purposes. The main function of a boiler is to heat water to generate steam. Steam produced in a boiler can be used for a ...

6. Steam generator (auxiliary boiler) - Wikipedia

   en.wikipedia.org/wiki/Steam_generator_(auxiliary...

   A steam generator on a ship is an auxiliary boiler which draws high-pressure superheated steam from the vessel's propulsion system [1] to generate low pressure saturated steam. This secondary steam is then used to power auxiliary shipboard engines driving winches or pumps, or to meet any steam requirement that does not require superheating ...

7. List of boiler types by manufacturer - Wikipedia

   en.wikipedia.org/wiki/List_of_boiler_types_by...

   A small boiler may be used as an auxiliary boiler when at sea, or a donkey boiler in port. A composite auxiliary boiler does this, using waste heat from the main engines when at sea, or is separately fired when acting as a donkey boiler. Auxiliary boilers were also present in some locomotives, in particular those used in passenger rail service ...