高壓設(shè)備密封講解課件

第四章高壓設(shè)備密封SealsofequipmentunderHighPressureEvaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL本章知識(shí)點(diǎn)結(jié)構(gòu)第四章第一節(jié)」高壓設(shè)備特點(diǎn)高壓設(shè)備密封分類及形式掌握第二節(jié)典型密封結(jié)構(gòu)設(shè)計(jì)計(jì)算重點(diǎn)第三節(jié)高壓管道密封超高壓容器密封了解Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL§41.1高壓設(shè)備密封特點(diǎn)①采用金屬墊片:常用的金屬墊片材料為退火鋁、退火紫銅、軟鋼及不銹鋼。②采用窄面密封盡可能采用自緊密封Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL§412高壓密封分類及型式按密封墊片受力情況,可分為強(qiáng)制式密封:如平墊密封、卡扎里密封、透鏡墊密封。自緊式密封:如“C”形、“O”形環(huán)密封、三角墊密封、楔形墊密封、伍德密封。半自緊式密封:如雙錐環(huán)密封、八角墊。Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL§4.1.2.,2高壓密封型式1)平墊密封結(jié)構(gòu)簡(jiǎn)單,加工方便,在直徑小,壓力不高的場(chǎng)合密封可靠。適用于溫主螺母度T<200℃,壓墊圈3頂蓋力<32MPa,Di<4-主螺栓800mm。5-筒體端部6-平墊片平墊密封結(jié)構(gòu)Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL主螺母墊圈平蓋主螺栓」平墊片筒體端部平墊密封結(jié)構(gòu)Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL2)卡扎里密封套筒具有上下兩段平蓋鋸齒形螺紋,下段預(yù)緊螺栓與筒體聯(lián)接部分為螺紋套筒連續(xù)螺紋,上段開有6個(gè)間隔為30°槽壓環(huán)的間斷螺紋。螺紋套筒密封墊密封力:螺栓介質(zhì)壓力:筒體螺紋外螺紋卡扎里密封適用于大直徑和壓力較大的場(chǎng)合。最大優(yōu)點(diǎn):拆裝方便。Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL螺栓、螺母壓環(huán)平蓋密封墊筒體端部?jī)?nèi)螺紋卡扎里密封Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL1-主蜾栓主螺母墊圈4頂蓋紫栓5—預(yù)緊蝶6-筒體端部法蘭7一壓環(huán)改良卡扎里密封結(jié)構(gòu)8-密封墊Evaluauononr.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL主螺栓主螺母墊圈預(yù)緊螺栓壓環(huán)密封墊筒體端改良卡扎里密封Evaluauononr.chAsposeslidesforNET4o