I-valve yokushintshanisa igesi yendlela eyodwa, eyasungulwa ngeminyaka yawo-1960, yashintsha ngokuphelele ukupakishwa kwekhofi.
Ngaphambi kokudalwa kwalo, bekucishe kube nzima ukugcina ikhofi emaphaketheni aguquguqukayo, angangeni moya.Amavalvu akhipha umoya ngenxa yalokho azuze isicoco sokuba iqhawe elingashiwongo endaweni yokupakishwa kwekhofi.
Ama-valve akhipha umoya enze kwaba nokwenzeka ukuba abarosayo bakwazi ukuthwala izimpahla zabo kude kunangaphambili kuyilapho besiza abathengi ekugcineni ikhofi labo lilisha isikhathi eside.
Ama-roasters amaningi akhethekile ahlanganise imiklamo yezikhwama zekhofi ukuze afake ukupakishwa kwekhofi okuguquguqukayo nevalve ehlanganisiwe yokukhipha umoya, futhi sekuyinto evamile.
Sengikushilo lokho, ingabe amavalvu okukhipha umoya adinga ukufakwa phezulu kokupakishwa kwekhofi ukuze asetshenziswe?
Asebenza kanjani amavalvu okukhipha umoya ezikhwama zekhofi?
Ama-valve akhipha umoya empeleni asebenza njengendlela eyodwa evumela amagesi ukuthi ashiye izindawo ayehlala kuzo.
Amagesi asuka empahleni epakishiwe adinga umzila wokubalekela endaweni evalekile ngaphandle kokulimaza ubuqotho besikhwama.
Amagama athi "out-gassing" kanye "off-gassing" avame ukusetshenziswa ngokushintshana nenqubo yokukhipha umoya ebhizinisini lekhofi.
I-Degassing inqubo lapho ubhontshisi wekhofi ogazingiwe ukhulula khona isikhutha esasimuncekile ngaphambili.
Kodwa-ke, kunomehluko omkhulu phakathi kwe-out-gassing kanye ne-degassing kusilulumagama esisebenzayo sekhemistri, ikakhulukazi i-geochemistry.
I-Out-gassing igama elisetshenziselwa ukuchaza ukuxoshwa okuzenzakalelayo nokungokwemvelo kwamagesi ezindlini zawo zangaphambili eziqinile noma eziwuketshezi lapho isimo sishintsha.
Nakuba ukukhishwa kwegesi ngokuvamile kungabonisa ukubandakanyeka okuthile komuntu ekuhlukaniseni amagesi akhishwayo, lokhu akunjalo ngaso sonke isikhathi.
Ama-valve akhipha umoya kanye nama-valve akhipha umoya avame ukuba nomklamo ofanayo, enweba lo mehluko we-teminoloji we-semantic ekufakweni kwekhofi.
Lokhu kwenzelwa ukuthi ukushintshaniswa kwegesi kwenzeke lapho isikhwama sekhofi siminyaniswa ukuze kuthuthukiswe ukushintshaniswa kwegesi noma kwenzeka ngokwemvelo endaweni ezungezile yangaphandle.
Ikepisi, i-elastic disc, i-viscous layer, ipuleti le-polyethylene, nesihlungi sephepha yizingxenye ezivamile zamavalvu okukhipha umoya.
Ivalvu iqukethe i-diaphragm yerabha enongqimba olubonakalayo loketshezi oluvala uphawu ngaphakathi, noma uhlangothi olubheke ekhofini, lwe-diaphragm.Lokhu kugcina ukungezwani okungaphezulu ku-valve kungashintshi.
Ikhofi likhipha i-CO2 njengoba liwohloka, likhulise ingcindezi.Uketshezi luzophusha i-diaphragm isuke endaweni lapho ingcindezi engaphakathi kwesikhwama sekhofi egazisiwe idlula ukushuba kwendawo, okuvumela i-CO2 eyengeziwe ukuthi iphume.
Ingabe ama-valve okukhipha umoya ayadingeka lapho kupakishwa ikhofi?
Ama-valve okukhipha umoya ayingxenye ebalulekile yezikhwama zekhofi ezinomklamo omuhle.
Amagesi cishe azonqwabelana esikhaleni esicindezelwe uma engafakwanga emaphaketheni enzelwe ikhofi elisanda kugazingwa.
Ngaphezu kwalokho, ukupakishwa kungase kudabuke noma kubeke engozini ubuqotho besikhwama sekhofi kuye ngohlobo nezici zezinto.
Ama-carbohydrate ayinkimbinkimbi ahlukaniswa abe ama-molecule amancane, alula ngesikhathi sokuthoswa kwekhofi eliluhlaza, futhi kokubili amanzi nesikhutha kuyadalwa.
Eqinisweni, ukukhishwa ngokushesha kwamanye ala magesi nomswakama yikhona okubangela “umfantu wokuqala” odumile osetshenziswa abathosi abaningi ukuze balawule futhi balawule izici zabo zokuthosa.
Nokho, ngemva kokuqhekeka kokuqala, amagesi ayaqhubeka akheka futhi awaqedwa ngokuphelele kuze kube yizinsuku ezimbalwa ngemva kokugazinga.Le gesi idinga indawo eya kuyo njengoba ikhishwa ngokuqhubekayo kubhontshisi wekhofi ogazingiwe.
Ikhofi elisanda kugazingwa ngeke lamukeleke esikhwameni sekhofi esivaliwe esingenayo ivalvu yokuphuma kwegesi efanele.
Lapho ikhofi ligaywa futhi nethonsi lokuqala lamanzi lenezelwa ebhodweni ukuze kuphuzwe, enye isikhutha esidaleka ngesikhathi sokugazingwa iyobe isekhona kubhontshisi futhi izokhishwa.
Lokhu kuqhakaza, okubonakala lapho kuphuzwa utshwala, kuvamise ukuba wuphawu oluthembekile lokuthi ikhofi lisanda kugazingwa kangakanani.
Ngokufanayo nezikhwama zekhofi, inani elincane le-carbon dioxide ku-headspace lingasiza ekwandiseni impilo yeshalofu ngokuvimbela umoya-mpilo oyingozi emoyeni ozungezile.Kodwa-ke, ukunqwabelana kwegesi ngokweqile kungaholela ekuqhumeni kwephakeji.
Kubalulekile ukuthi ama-roasters acabangele ukuthi ama-valve asetshenziswa ekufakweni kwekhofi azohlala isikhathi esingakanani.Izinketho zokulahlwa kokuphela kwempilo uma umsebenzisi eseqedile ukusebenzisa umkhiqizo zingathintwa ukwehluka kwezinto.
Kungaba nengqondo ukuthi ama-valve afane uma, ngokwesibonelo, izikhwama zekhofi zomshini wokushisa zenziwa ukuthi ziboleke ezimbonini.
Enye indlela ukusebenzisa i-valve yokukhipha umoya engagaywa kabusha.Kubalulekile ukuqaphela ukuthi ngale nketho, abasebenzisi bazodingeka ukuthi basuse ama-valve ekupakisheni futhi bawalahle ngokuhlukana.
Uma izingxenye zokupakisha zingalahlwa ngenani elincane lomzamo wabathengi futhi, ngokufanelekile, njengeyunithi eyodwa, zivame ukuba namandla amahle kakhulu wokusimama kwe-cradle-to-grave.
Kunezinketho eziningi zama-valve okususa ugesi angavumelani nemvelo.Amavalvu okukhipha umoya aphinde agaywe ahlinzeka ngezinto ezifanayo njengepulasitiki ngaphandle kwemiphumela engemihle yezemvelo njengoba enziwa kusetshenziswa amapulasitiki abunjwe ngomjovo athathwe ezinsizeni ezivuselelekayo, njengezitshalo.
Ukuqinisekisa ukuthi okupakishwayo kufinyelela endaweni efanele, abathosi kufanele bakhumbule ukukhumbuza amakhasimende ukuthi zilahlwa kanjani izikhwama zekhofi ezilahliwe.
Kukuphi lapho okupakishwa khona ikhofi kufanele kubekwe kuphi ama-valve okukhipha umoya?
Kungaba yizikhwama zokuma noma izikhwama eziguquguqukayo eziseceleni, ukupakishwa okuguquguqukayo sekuvele njengenketho ekhethwayo yemakethe yokupakisha ikhofi.
Ama-valve okukhipha ugesi ngokusobala abalulekile ukuze kugcinwe ubuqotho bephakheji likabhontshisi wekhofi ogazingiwe njengoba enza kanjalo.
Indawo eqondile yama-valve, nokho, kufanele inakwe.
Ama-roasters angase akhethe ukufaka ama-valve ngokungabonakali noma endaweni ehambisana nokubukeka kophawu lwawo, ngokuya ngokuthanda kwawo ubuhle.
Nakuba ukubekwa kwe-valve kungashintshwa, ingabe wonke amachashaza adalwe alingana?
I-valve yokukhipha umoya kufanele ibe ku-headspace yesikhwama ukuze isebenze kahle kakhulu njengoba kulapho iningi lamagesi akhishiwe lizoqoqa khona.
Ukuzwakala kwesakhiwo sezikhwama zekhofi kumele kucatshangelwe.Indawo emaphakathi ilungile njengoba ukubeka i-valve eduze kakhulu nomthungo kungase kunciphise ukupakisha.
Kodwa-ke, kukhona ukuguquguquka okuthile mayelana nokuthi abashisi bangabeka khona i-valve yokukhipha umoya, ikakhulukazi eduze komugqa omaphakathi, eduze naphezulu kokupakisha.
Nakuba izingxenye zokupakisha ezisebenzayo ziqondwa njengezinenjongo ethile ngabathengi banamuhla abakhathalela imvelo, ukwakheka kwezikhwama kusadlala indima ebalulekile ekuthengeni izinqumo.
Nakuba kungase kube nzima, ama-valve okukhipha umoya akufanele ashaywe indiva lapho uklama umsebenzi wobuciko wamasaka ekhofi.
E-Cyan Pak, sinikeza ama-roasters ukukhetha phakathi kwamavalvu e-degassing endlela eyodwa kanye nama-valve angu-100% asebenziseka kabusha, angenayo i-BPA yezikhwama zabo zekhofi.
Amavalvu ethu ayaguquguquka, angasindi, futhi anentengo ephusile, futhi angasetshenziswa nanoma yiziphi izinqumo zethu zokupakisha zekhofi ezinobungani bemvelo.
Amarosa angakhetha ezintweni ezihlukene ezigaywa kabusha ezinciphisa udoti futhi zisekele umnotho oyindilinga, okuhlanganisa nephepha le-kraft, iphepha lerayisi, kanye nephakheji ye-LDPE ye-multilayer ene-PLA yangaphakathi eco-friendly.
Ukwengeza, ngenxa yokuthi sisebenzisa ubuchwepheshe bokuphrinta bedijithali obusezingeni eliphezulu, wonke umugqa wethu wokupakisha ikhofi ungenziwa ngendlela oyifisayo ngokuphelele.Lokhu kusenza sikwazi ukukunikeza isikhathi sokushintsha ngokushesha samahora angu-40 nesikhathi sokuthumela samahora angu-24.
Isikhathi sokuthumela: Jul-30-2023