A Cochran boiler is a vertical axis, multi-tubular fire tube boiler that operates at low pressure having natural circulation. The Cochran boiler is portable and has a thermal efficiency of about 70% when coal-fired and 75 % when oil-fired.
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Cochran Boiler is a multi-tubular vertical fire tube boiler having a number of horizontal fire tubes. It is the modification of a simple vertical boiler where the heating surface has been increased by means of a number of fire tubes. The efficiency of this boiler is much better than the simple vertical boiler. Parts of Cochran Boiler
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Cochran Boiler: Definition, Main Parts, Working, Applications
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Jul 05, 2009 · Pulverized coal fired boilers the total losses account to about 12 to 14 %. Roughly 50% of the losses can be tuned to the optimum and the other 50 % is governed by fuel properties like hydrogen in fuel, moisture in fuel and ambient air conditions. The main two losses in boiler that can be tuned by operator are carbon loss and dry gas loss.
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Mar 03, 2020 · Features. In Cochran boiler, any types of fuel may be used. It gives 70% to 75% of thermal efficiency with coal and oil firing. It is well suitable for small capacity requirement. The ratio of grate area to the heating surface area varies from 10:1 to 20:1.
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Sep 05, 2020 · Cochran boiler is a vertical, multi-tube boiler generally used for small capacity steam generation. The Cochran boiler is made in different sizes of evaporative capacities ranging from 150 to 3000 kg per hour and working pressure up to 15bar.. The Cochran boiler consists of an external cylindrical shell and a firebox. The shell and firebox are both hemispherical, the hemispherical crown …
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Cochran Boiler. Cochran boiler is a vertical, coal or oil fired, fire-tube boiler. It is the modification of a simple vertical boiler with increase in surface area. Cochran boiler consists of a cylindrical shell with its top in a spherical shape. The furnace of the Cochran boiler is in hemispherical shape. The grate is placed at the bottom of
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Cochran boiler is which type of boiler. It is an upgraded form of simple vertical boiler where heating surface area is increased by the use of multi-tubular fire tubes. Cochran boiler specification. Following are the specification of the Cochran Boiler Steam Capacity: 3500 kg/hr; Working Pressure: 6.5 – 7 bar (Rated pressure 15 bar)
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In this article, we will discuss Cochran Boiler: Definition, Parts, Working, Specification, Applications, Advantages & Disadvantages in a detailed way.. Cochran Boiler Definition: Cochran Boiler is one of the best types of vertical, multi-tubular boiler which has a number of horizontal fire tubes used for the generation of steam.
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Now in its 93 rd year of business the Jones Company has moved on from turbines and coal fired boiler equipment to focus instead on water treatment equipment for powerplants and process plant applications. We continue to represent Cochrane, Madden, and Amiad but have evolved into an equipment system integrator and distributor.
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Sep 14, 2020 · The Cochran boiler is vertical, multi-tube boiler generally used for small capacity steam generation. Cochran boilers are made in different sizes of evaporative capacities ranging starting from 150 to 3000 kg/hr. and working pressure up to 15 bar. There is an external cylindrical shell and a firebox in the Cochran Boiler.
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One coal-fired wet back Scotch marine boiler with two furnaces. Max working pressure 180 pounds per square inch (1,200 kPa). The steam yacht Louise built 1902. Operating on Lake Geneva, Wisconsin by Gage Marine Corporation. One diesel-fired Scotch marine boiler powering a double-expansion steam engine, in excursion passenger service.
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Cochran boiler is a fire tube boiler (Fire inside the boiler and water surrounding to them) in which coal or gases as a working fluid is used, for generating the steam and that steam further used for several purposes. Now comes to the construction, Cochran Boiler Parts or Construction
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What is Cochran Boiler - How Cochran Boiler Works?
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Cochran Vertical Coal Boiler History. New Cochran Wee Chieftain 2500 Installation @ Dairymaid. Cochran Wee Chieftain 2500 complete with gas flue economiser. Cochran Coalmaster History. Cochran Hot Water Gas Fired Boilers in Dubai Hotel. Cochran Borderer Boiler with Gas Flue Economiser.
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Mar 19, 2019 · Cochran Boiler Working and Construction. Cochran boiler consists of a cylindrical shell with its crown having a spherical shape. The furnace is also hemispherical in shape. The grate is also placed at the bottom of the furnace and the ash-pit is located below the grate. The coal is fed into the grate through the fire door and ash formed is
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Cochran Boiler Cochran Boiler is a multi-tubular vertical fire tubular with multiple horizontal fire tubes. The efficiency of this boiler is much better than that of an ordinary vertical boiler. This is a modification of a simple vertical boiler where […]
Read MoreCochran Boiler: Definition, Main Parts, Working, Applications
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Dec 01, 2017 · 2. Cochran boiler is best suitable for small capacity requirements. 3. Cochran boiler gives about 70% thermal efficiency with coal firing and about 75% thermal efficiency with oil firing. 4. In Cochran boiler ratio of grate area to the heating surface area varies from 10: 1 to 25: Advantages and disadvantages of Cochran boiler:-Advantages of
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