Author:
Kornilova N V,Trubaev P A
Abstract
Abstract
The paper presents method of calculation of the heat leakage and efficiency by using method of indirect heat balance, utilizing data from gas analysis, which can be employed for operational evaluation plant operation during burning of different types of waste materials. Taking into account that practically only oxygen and carbon dioxide is being measured in the exhaust gases, calculation method for heat leakage with exhaust gases, using measurements of only this component, without utilizing carbon dioxide content in combustion products, was developed. Carbon dioxide and oxygen calculated percentage content in dry complete combustion products in actual air consumption was measured with consideration of incomplete combustion. Heat leakage for low power boilers and furnaces was analyzed, heat leakage calculation method for this kind of plants was introduced. Using design factors analysis of the solid fuel boilers for burning low-calorie fuel and wood waste, was developed dependence of the outside walls specific area of the boiler on the boiler’s efficiency. Based on the developed method for seven types of the RDF fuels, tabular and graphic dependences for reduced factors, characterizing heat leakage to the atmosphere and incomplete combustion, were introduced. Suggested method was tested for calculating losses in solid fuel water heating boiler with grate stoker and designed output power of 200 kW during burning of the briquetted waste materials.
Cited by
1 articles.
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