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Imathiriyeli yokutywina ivalve yebhabhathane yomgca osembindini: Khetha imathiriyeli efanelekileyo ukuphucula ukuthembeka kwenkqubo

Ivalve yebhabhathane yomgca osembindini_04

Ivalve yebhabhathane yomgca oseziko lelinye lamacandelo aphambili asetyenziswa ngokuqhelekileyo kwiinkqubo zokulawula ulwelo lwamashishini. Ukusetyenziswa, ukwenzela ukuba kuqinisekiswe ukuthembeka kunye nokukhuseleka kwenkqubo, kubaluleke kakhulu ukukhetha izinto ezifanelekileyo zokutywinwa. Eli nqaku liza kwazisa ukukhethwa kwezinto zokutywina kunye nezinto ezisetyenziswa ngokuqhelekileyo kwi-valve yebhabhathane ye-butterfly umgca ophakathi ukuphucula ukuthembeka kwenkqubo.

Ukukhethwa kwezinto ezifanelekileyo zokutywina kwi-valve yebhabhathane ephakathi kufuneka kuthathelwe ingqalelo ezi zinto zilandelayo: uhlobo oluphakathi, uluhlu lobushushu, iimfuno zoxinzelelo kunye neempawu zolwelo. Iimeko ezahlukeneyo zokusebenza zineemfuno ezahlukeneyo zezinto zokutywina, ngoko ke ezi zinto kufuneka ziqwalaselwe ngokubanzi xa ukhetha izinto.

Okokuqala, uhlobo lwemidiya yenye yezinto ezibalulekileyo ezichaphazela ukukhethwa kwezinto zokutywina. Imidiya eyahlukeneyo ineempawu ezahlukeneyo zeekhemikhali, ezifana ne-asidi kunye ne-alkali, i-corrosion kunye ne-toxicity. Izinto eziqhelekileyo zokutywina ziquka irabha, iipholima, isinyithi kunye neeseramikhi. Kwimithombo yeendaba ezitshabalalisayo, i-asidi kunye ne-alkali echasene ne-polymer izinto ezifana ne-polytetrafluoroethylene (PTFE) kunye ne-polypropylene (PP) inokukhethwa. Kwimithombo yeendaba zokushisa okuphezulu, izinto zokutywina zetsimbi ezifana nensimbi engenasici zingcono kakhulu.

Okwesibini, uluhlu lweqondo lokushisa luyinto ekufuneka iqwalaselwe xa ukhetha izinto ezifanelekileyo zokutywinwa. Izinto ezahlukeneyo zinokuguquguquka kobushushu obuhlukeneyo. Ngokomzekelo, izinto eziqhelekileyo zokutywinwa kweerubha ziya kuguga kwaye zibe nzima kumaqondo okushisa aphezulu, ngoko ke kwiimeko zokushisa eziphezulu, izinto ezichasene nobushushu obuphezulu ezifana negraphite kunye nentsimbi kufuneka zikhethwe.

Iimfuneko zoxinzelelo yenye into ekufuneka iqwalaselwe. Ngaphantsi kweemeko zoxinzelelo oluphezulu, izinto zokutywina kufuneka zibe nokusebenza okuphezulu kunye namandla. Izinto zokutywina zentsimbi zihlala zineempawu ezintle zoxinzelelo kwaye zifanelekile kwiinkqubo zoxinzelelo oluphezulu. Ngelo xesha, i-elasticity kunye nokuqina kwezinto zokutywinwa kuya kuchaphazela nokusebenza kwayo kokutywinwa, ngoko ke kuyimfuneko ukukhetha izinto eziphathekayo ezinobuncwane obuhle kunye nokuqina.

Ekugqibeleni, iimpawu zolwelo kufuneka ziqwalaselwe. Olunye ulwelo lune-viscosity ephezulu okanye i-granular matter, kwaye ilahleko yezixhobo zokutywina inkulu. Kule meko, izinto ezichasene nokugqoka kunye ne-corrosion, njenge-polyurethane kunye neendibano zeerubha, kufuneka zikhethwe.

Isishwankathelo, ukukhethwa kwezixhobo zokutywina kwi-valve ye-butterfly yomgca ophakathi kufuneka kuthathelwe ingqalelo izinto ezifana nohlobo oluphakathi, uluhlu lweqondo lokushisa, iimfuno zoxinzelelo kunye neempawu zamanzi. Ukukhethwa kwezinto ezifanelekileyo zokutywinwa kunokuphucula ngokufanelekileyo ukuthembeka kunye nokhuseleko lwenkqubo kunye nokwandisa ubomi benkonzo ye-valve butterfly. Ekugqibeleni, kucetyiswa ukuba udibane neenjineli ezichwephesha okanye iingcali ezifanelekileyo xa ukhetha izinto zokutywinwa ukuqinisekisa ukuba izinto ezikhethiweyo zihlangabezana neemeko zokusebenza zangempela.

 

Ivalve yebhabhathane yomgca osembindini


Ixesha lokuposa: Jul-25-2023

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