天然氣冷凝熱水器燃燒研究.pdf

1、西安建筑科技大學(xué)碩士學(xué)位論文天然氣冷凝熱水器燃燒研究姓名：郭廷進申請學(xué)位級別：碩士專業(yè)：供熱、供燃氣、通風與空調(diào)工程指導(dǎo)教師：閆秋會20040601西安建筑科技大學(xué)碩士學(xué)位論文StudyOnBurningofNaturalGasinCondensingWaterHeaterSpecialty：Heating，Ventilation&AirConditionEngineeringName：GuoTingiinInstructor：YanQ

2、iuhuiABSTRACTThepresentpaperexpoundsthecombustionofcondensinggaswaterheaterstheoricallyespeciallytheburningofthefullyaeratedwaterheaterandwehavemadeexperimentalresearchesThearticleelaboratesonthetheoryofflamestabilitycom

3、bustionequilibrium，andsomefactorsaffectingflamepropagationspeedWegottheexperimentaldatabetweenfineholeheatintensityandexcessaircoefficientandcombustionequilibrium，thedatabetweenthedepthoffineholeandcombustionequilibrium，

4、thedatabetweenfireholeheatintensityandflametemperaturebyexperimentBycomparingtheabovedata，we’vegotpracticalmodelofcondensinggaswaterheatersTheexothermic，latentandexchangeableheatofcondensinggaswaterheater’Ssmokeandsteamw

5、hichisaddedtothetraditionalheaterraisesheatefficiencygreatlyButtheshortflameandhightemperatureoffullyaeratedbumersconductmoreheatthroughburnersandthatcausestheheadofburnersoverheatandmaterialthesizeandstructureofburnersB

6、esides，theexcessairorexcessloadwillcauseflamelift，combustionexacerbationandflameoff，andthatneedsauxiliaryflameandflameretentionbyinactivesubstanceWecanimprovecombustionstabilitybydesigningthesizeofburnersthroughexperimen

7、talstudgWe’vebroughtupthedesignandcalculatingmethodsofcondensinggaswaterheaterandapproachesofflameretentionAsareferencefordesigningcondensinggaswaterheatersKeywords：condensingwaterheaterfullyaeratedburners，combustionequi