升降式鋼制截止閥設(shè)計(jì)計(jì)算書

河北通奧節(jié)能設(shè)備有限公司河北通奧節(jié)能設(shè)備有限公司NO: NO: 雙頭螺柱根直徑dL設(shè)計(jì)給定14mm20許用拉應(yīng)力〔bL〕ASMEBPVC-II-DPg336172MPa結(jié)論：〔6L〕 L合格型號(hào)J41H-150LbNPS4零件名稱中法蘭螺栓材料牌號(hào)ASTMA193B7計(jì)算內(nèi)容中法蘭螺栓強(qiáng)度驗(yàn)算根據(jù)ASMEB16.34-641.1Pg9簡設(shè)計(jì)驗(yàn)證計(jì)算1螺栓面積校核PcAgK1Sb90002Pc設(shè)計(jì)壓力設(shè)計(jì)給定150Lb3Ag墊片有效周邊設(shè)計(jì)給定13273mm24Ab螺柱總截面積設(shè)計(jì)給定920mm25K165.26Mpa6Sb螺栓許用應(yīng)力ASMEB16.34137.9Mpa2164<8999.4<9000合格圖J41H-150LbNPS4Dn零件名稱閥體材料牌號(hào)ASTMWCB計(jì)算內(nèi)容閥體中法蘭強(qiáng)度驗(yàn)算101112131415《閥門設(shè)計(jì)計(jì)算手冊(cè)》Pg117表3-71計(jì)算數(shù)據(jù)名稱計(jì)算載荷I-I處斷面彎曲應(yīng)力力臂中法蘭孔中心圓直徑閥體凹止口直徑中法蘭頸部直徑斷面系數(shù)斷面寬度法蘭厚度止口深度n-n處斷面彎曲應(yīng)力力臂內(nèi)腔直徑斷面系數(shù)許用應(yīng)力符號(hào)單位0-W1DnDmhi(TWnWn(T中法蘭螺栓強(qiáng)度驗(yàn)算Ql140900QXZW93.4MPa(2*D-Dn-Dm)/4設(shè)計(jì)給定設(shè)計(jì)給定設(shè)計(jì)給定n(Dm+Dn)hi2/12設(shè)計(jì)給定設(shè)計(jì)給定0.4QY/WX+(Dm-d)/4設(shè)計(jì)給定n(Dm+d)(Dm-d)2/48ASME-I-D-Pg2013.51701401462037416.5225.595.82012011763138mmmmmmmmmm3mmmmmmMPammmmmm3MPa結(jié)論： 〔八 WI 〔八 Wn合格型號(hào)J41H-150LbNPS4簡圖零件名稱材料牌號(hào)計(jì)算內(nèi)容流量系數(shù)根據(jù)《閥門設(shè)計(jì)計(jì)算手冊(cè)》序號(hào)計(jì)算數(shù)據(jù)名稱符號(hào)公式數(shù)值單位1閥門流量系數(shù)Kv141.4m3/h2體積流量QAV0.02356m3/s3流通面積AA-DN240.007854M24介質(zhì)流速V設(shè)計(jì)給定3m/s5公稱通徑DN設(shè)計(jì)給定0.1m6介質(zhì)密度P水的密度1000Kg/m37閥門壓力損失△PP u2/2360par8介質(zhì)密度P水的密度10-6Kg/mm39流阻系數(shù)E