1. Iivalve ezinqamlekileyo zifanelekile kwimibhobho okanye izixhobo ezinokushisa okuphezulu kunye noxinzelelo oluphezulu lweendaba. Okufana nezityalo zamandla ashushu, amaziko ombane enyukliya, ubushushu obuphezulu kunye noxinzelelo oluphezulu lwemibhobho yeenkqubo zepetrochemical.
2. Iivalvu zeglowubhu zisetyenziswa kwimibhobho apho ukuxhathisa kweconvection kungafuneki ngokungqongqo. Oko kukuthi, ilahleko yoxinzelelo ayithathelwa ngqalelo.
3. Iivalvu zeenaliti, iivalve zesixhobo, iivalve zesampulu kunye neevalvu zeenaliti zoxinzelelo zinokuzikhethela kwiivalvu ezincinci.
4. Kukho ukulawulwa kokuhamba okanye ukulawulwa koxinzelelo, kodwa ukuchaneka komgaqo awuphezulu, kwaye ububanzi bombhobho buncinci. Ngombhobho ohamba ngaphantsi kwe-50 mm, ivalve yokusika kufuneka ikhethwe.
5. Uxinzelelo oluphezulu lwevalve yeglowubhu ye-angular okanye i-valve yoxinzelelo oluphezulu lwe-angular throttle valve kunye noxinzelelo lwe-PN160 16 MPa okanye i-PN320 32 MPa kufuneka ikhethelwe izichumisi zekhemikhali ezincinci kunye ezinkulu kwimveliso yemveliso yokwenziwa.
6. Kwi-workshop ye-desiliconization kunye ne-coke-prone pipeline yenkqubo ye-alumina ye-Bayer, kulula ukukhetha i-valve ye-globe ye-globe yangoku okanye i-valve ye-throttle yangoku kunye nomzimba wevalve owahlukileyo, isihlalo esifikelelekayo kunye ne-carbide yokutywina iperi.
7. Kunikezelo lwamanzi kunye neeprojekthi zonikezelo lobushushu kulwakhiwo lwasezidolophini, imibhobho engeyiyo idlula kwezona zincinci, kwaye iivalvu zeglowubhu, iivalvu zebhalansi okanye iivalvu zeplunger zingakhethwa, njengemibhobho edlula ngaphantsi kwe-150 mm.
Ixesha lokuposa: Jul-11-2019
