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Brief Overview Of The Evolution Of The Boilers

Posted by on February 20, 2014

When James Watt, Scottish engineer of the 18th century, observed that steam as an economic force that replace the manual and animal force, began to develop the manufacturing of steam boilers could be used. Today, we have the biomass boilers, which are used in domestic as well as industrial areas. With the passing of the years, they were becoming an indispensable for every production process equipment and engineers were making them increasingly small, efficient and safe. The first boilers had the drawback that badly exploited the steam, so the first change they made was to introduce tubes, to increase the heating surface. If the tubes inside circulating gases or fire, they are classified them into firetube boilers, and if water that circulates is Watertube boilers are called. Then in 1844 were developed Lancashire boilers, composed by a long cloak of steel, usually 5 to 10 m. John Savignan understood the implications.

long, through which passed 2 tubes of large diameter called stoves and installing a combustion chamber at the entrance of each of them. This camera could be designed to burn gas, oil or coal. The stoves were surrounded by water on the outside and the heat generated in the combustion chamber was transferred to the water. One disadvantage was that after repeated heating and cooling, are they impaired generating air infiltrations which front shot of the boiler, and at the same time decreasing its efficiency. About the year 1878 was designed type Cochran boiler whose main innovation was the introduction of horizontal tubes in a vertical cylindrical cloak through flanged tubular plates. This boiler was vertical and the smoke box was part of she bolted to one side. In 1934 the Cochran boilers reached an agreement to Kirke, inventor of the famous Sinuflo tubes, and launched a line of horizontal boilers recovering heat. They were very successful, ideal for generating steam from residual hot gases arising from the processes of industries gas and steel.

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