阀座组件的密封特性分析和实验研究.pdfVIP

2005 11 Nov12005 6 ( 172 ) LU BR ICAT ION ENG INEER ING N o16 ( serial N o1 172) * 1, 2 2 3 1 ( 1. 710049 2. 710072 3. 11 710100) : , , , , : : TH 138 : A : 0254- 0150 ( 2005) 6- 030 - 3 The Analysis and ExperimentalResearch on Sealability of the Valve Components 1, 2 2 3 1 Dong Hongbo Q ian Zh ibo Chen J ai nn ing He Zhengjia ( 1. Sta te K ey L abo rato ry fo rM anufac tur ing System s Eng inee ring, X i. an J iao tong U n iversity, X i. an 7 10049, China 2. College o fM arine Eng inee ring, N orthw estern P olytechn ica lU n iversity, X i. an 7 10072, Ch ina 3. T he 11th Institute, T he 6th A cadem e of Ch ina A ero space Sc ience and T echno logy Corporation, X i. an 710100, Ch ina) Abstract: Based on th e sealing m echan ism of the m etallic sealing p air, th e n ecessary cond itions of sealing w ere analyzed and the large flow valve componen ts w ere des ign ed. Th e reasonab le techn iqu e w as presented to ensu re th e m anu factu ring qu ality of valve componen ts and sealing failu re p rob lem w as so lved in large flow valve componen ts under h igh-p ressu res. T he expermi en ts confirm ed th e valid ity of the new des ign schem e and th e feas ib ility of the processing techn ique. The acqu ired resu lts in the expermi en t p rovide the b as is for th e guaran tee of sealing reliab ility and th e correct selection of proper processing techn