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The Efficiency of Evaluation and Research on Energy Saving Technology of Tubular-furnace

Author: WuDi
Tutor: MaYongLiang；XuBaoZhi
School: Tsinghua University
Course: Environmental Engineering
Keywords: Furnace Thermal efficiency Excess air coefficient Energy-saving
CLC: TK175
Type: Master's thesis
Year: 2010
Downloads: 176
Quote: 0
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Abstract


Furnace is a direct combustion fuel, heating process media devices, play an important role in the refining and chemical production, the calculation method of Jinzhou Petrochemical Company in the main furnace 25, but has not been a scientific and reasonable, uniform thermal efficiency test cause excessive fuel consumption, increase production costs over time but also increased the amount of greenhouse gas emissions. In order to rationally and effectively measure and calculate the thermal efficiency of the furnace, so that the calculation has been optimized to avoid the tedious calculation process, intelligent thermal efficiency, ease of management and use of the furnace, and then test and calculated data in real time to guide energy-saving environment with greenhouse gas emissions, characteristics of Jinzhou Petrochemical Company furnace, to carry out the evaluation of the efficiency of the furnace and energy-saving, and achieved major results are as follows: SHF0001-99 and GB2588-81 involved in the thermal efficiency of the calculation method for the analysis of research, a clear relationship between the different methods of computation efficiency obtained, comparable so that the thermal efficiency of the furnace, thus facilitating the calibration of the tubular heater thermal efficiency, assessment and management. British KANE KM940 flue gas analyzer test calculation method, compared with our standard and used as a basis to complete the adjustment of the instrument, the instrument is more suitable for China's national conditions, the test results reflect more realistically the furnace The actual energy use conditions. Improve the various parameters (physical parameters, thermal parameters, etc.) algorithm to reduce human error Chaturvedi, make the results more accurate, and laid the foundation to achieve thermal efficiency of the program. Each device furnace thermal efficiency tests provide a reliable basis for the operating adjustments in the furnace running. Drawn through the experimental and analytical study: the subject of research and development efficiency furnace counter balance calculation program is the SHF001-99 and GB2588-81 standard and expansion; SH estimation method can be as the SHF anti-balance method to strike a thermal efficiency simple algorithm, in the day-to-day management to quickly and accurately completed thermal efficiency estimation, for the adjustment and appraisal tube furnace operating conditions; monitoring the oxygen content in the furnace flue gas during operation, and this under the regulation of combustion air amount, reduce the amount of excess air to ensure complete combustion of the fuel under the premise - this is the easiest way to improve the thermal efficiency of the furnace most economical in the production process; After transformation, the exhaust gas temperature of 20 ° C lower than the transformation of the former the furnace flame fullness greatly improvement in fuel burn rate increased by nearly 7%, has brought considerable economic benefits.

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CLC: > Industrial Technology > Energy and Power Engineering > Thermal engineering, heat > Industrial thermal equipment > Industrial furnaces
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