In comparison with an individual boiler thermal efficiency, a heat pump-boiler system fed by a low temperature heat source can reach up to 120% thermal efficiencies by coupling the heat exchangers in series and exploiting power recovery in the heat pump cycle expansion process [57]. An air-to...
Efficiency analysis of oil or gas boiler with wood-pellet fuel substitution. Trans CSAE 2011;27(S2):131e4.Chen Xilong,Li Jiping,Wang Yiqiang,Yan Yonglin,Tan Yuehui,Gao Zicheng,Li Jianjun,.Efficiency analysis of oil or gas boiler with wood-pellet fuel substitution.[J];Transactions of the ...
Table 4. A comparison of the main parameters of a heat recovery steam generator (HRSG) and a steam boiler (B) PB 1100, and a wet combustion chamber (WCC). In comparing the obtained results to the reference data [143,144], it is to be expected that a new state of structural tension...
Consider home energy efficiency upgrades.These could includeimproving your wall or loft insulation, investing in moreenergy-efficient appliancesorreplacing your old boiler with a new one. While these might be costlier home improvements and unsuitable for everyone, they can significantly reduce the amount...
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aBoiler performances (incl., inter alia, measured and computed parameters such as: fuel consumption; heat losses in ash, heat losses in blowers, heat losses in flue gas; direct and indirect boiler efficiency; heat balance), 锅炉表现(incl。,特别,被测量的和计算参量例如: 燃料消费; 热耗在灰,热...
Based on an analysis of the heat losses of a Shanbei natural-gas-fired boiler, the latent heat of the water vapor contained in the flue gas is quantitatively characterized at different exit flue-gas temperatures. It is concluded that the thermal efficiency of the boiler can be substantially in...
Two gas–steam combined cycles using thermodynamic analysis are presented: a combined cycle with three pressure levels with reheat heat recovery boiler is used with two different gas turbine technologies (high pressure ratio and reheat against "H" technology). This analysis constitutes a comparison ...
An atmospheric gas boiler has two vertically arranged end pieces and at least one middle piece arranged between them, as well as burner lances disposed in the lower part of the gas boiler. The pieces of the boiler through which hot water flows define a furnace, with secondary heating surfaces...
These results are interesting for several reasons: comparison of NGCC plants with and without CCS illustrates a trade-off caused by environmental controls, as shown inFig. 10. CCS-equipped plants require energy to capture and compress CO2. This energy demand reduces the overall efficiency of the ...