Ukwandiswa kolwazi I
2021-06-25
Ivalve yokulawula i-pneumatic diaphragm emfanekisweni yeyohlobo oluvaliweyo lomoya. Abanye abantu babuza, kutheni? Okokuqala, jonga i-air inlet direction yefilimu ye-pneumatic, enefuthe elihle. Okwesibini, jonga ulwalathiso lofakelo lwe-spool, umphumo omuhle. Igumbi le-pneumatic diaphragm liqhagamshelwe kumthombo womoya, kwaye i-diaphragm icinezela izantsi intwasahlobo emithandathu egqunywe yi-diaphragm, ukuze ityhale intonga yevalve ukuba iye ezantsi. Intonga yevalve idityaniswe ne-valve core, kwaye i-valve core ifakwe kwicala elifanelekileyo, ngoko ke umthombo womoya yivalve ukuya kwindawo evaliweyo. Ngoko ke, ibizwa ngokuba yi-valve yokuvala igesi. Xa ukunikezelwa kwegesi kuphazamiseka ngenxa yokwakhiwa okanye ukubola kombhobho wegesi, i-valve iya kuphinda isetyenziswe phantsi kwamandla okuphendula entwasahlobo, kwaye i-valve iya kuba kwindawo evulekile ngokupheleleyo. Indlela yokusebenzisa ivalve yokuvala igesi? Indlela yokuyisebenzisa ithathwa kwimbono yokhuseleko, yimeko eyimfuneko yokukhetha igesi okanye ukucima. Umzekelo: esinye sezixhobo ezingundoqo kwibhoyila ligubu lomphunga. Ivalve elawulayo esetyenziswa kwinkqubo yonikezelo lwamanzi kufuneka ivalwe umoya. Ngoba? Ngokomzekelo, ukuba umthombo wegesi okanye umbane uphazamiseka ngokukhawuleza, isithando somlilo sisavutha ngamandla, ngokuqhubekayo sifudumeza amanzi kwi-drum ye-steam. Ukuba igesi isetyenziselwa ukuvula i-valve yokulawula kwaye amandla aphazamisekile, i-valve iya kuvalwa kwaye i-drum ye-steam iya kuba yome (ukutshisa okomileyo) yonke imzuzu ngaphandle kokungena kwamanzi. Oku kuyingozi kakhulu. Akunakwenzeka ukujongana nephutha levalve yokulawula ngexesha elifutshane, eliya kukhokelela kwingozi yokuvala ibhoyili. Ngoko ke, ukwenzela ukuba ugweme ukutshisa okomileyo okanye ingozi yokucima, i-valve kufuneka ivalwe ngegesi. Nangona amandla anqunyulwe kwaye i-valve yokulawula ikwindawo evulekileyo epheleleyo, amanzi ahlala esondliwa kwi-drum, kodwa ayiyi kubangela ukuba idrum yome. Kusekho ixesha lokujongana nokungaphumeleli kwevalve yokulawula, ngoko akuyimfuneko ukuvala ibhoyili ngokuthe ngqo. Ngokusebenzisa le mizekelo ingasentla, lixesha lokuba ube nokuqonda kwangaphambili malunga nendlela yokukhetha umoya okwivalvu yokulawula kunye nevalve yokulawula!