燃气锅炉正平衡效率新公式的推导及应用.pdfVIP

燃气锅炉正平衡效率新公式的推导及应用 丁凤辉1 何述凤2 高 剑1 丛境深1 (1‘南京市锅炉压力容器监督检验所，江苏南京210002； 2．江苏省特种设备检验研究院盐城分院，江苏盐城224002) 摘要：与过去燃煤锅炉不同，当代奎自动燃气燃油工业锅炉具备特有的稳定工况条件，在间断 培水的停泵运行期间，以高低水位行程之间的降水时间可直接计算出锅炉的蒸发量．本文完成 了立式、卧式锅炉蒸发量公式的理论推导及正平衡效率计算式的修正，并以应用实例验证了公 式的正确性与试验结果的精确性。 关键词：燃气锅炉稳定工况；降水时间；蒸发量公式；正平衡效率计算式 APPLICATIoNANDDEDUCINGoNPoSITIVEBALANCED CALCULATIONFoRMULAoFGAS—FIREDBoILERS Ding Shufeng，Gao Jingshen Fenghui．He Jian，Cong BoilerPressureVessal Place． (1．Nanjing SuperviseInspection Na面ing，Jiangsu，210002； Instituteof Research 2．YanchengBranch，JiangsuSpecialEquipmentInspection＆Technical Yancheng，Jiangsu，224002) fromthecoal—fired Abstract：Different automatic and boilers，contemporaryfully gas—fired oil--firedindustrialboilershave state．Theboilers canbe uniquesteady evaporationcapacity calculatedfromthewaterlevel timefromthe leveltolowwaterlevel directly lowering high the ofthe not inintermittentwater mode．Thistractate duringperiod pumpworking supplied has theverticalorthehorizontalboiler’gtheoreticalof accomplished ca— deducingevaporation of calculationformulaandtheamendmentthe balanced formula，also pacity positive efficiency ofthe validatethe oftheformulasandthe oftestre— examplesapplication validity accuracy