A rayuwar yau da kullum za mu iya sau da yawa ganin ptfe tube, don haka, ptfe tube a cikin aiwatar da aiki muna bukatar mu kula da abin da al'amura?
A cikin aikin ginin bututun PTFE na karfe, ana buƙatar kula da waɗannan abubuwan:
1. bututun ƙarfe maras nauyi bisa ga ainihin girman kayan, bututun ƙarfe da waldawar zobe na walda, zobe na iya amfani da waldawar argon arc na hannu, fantsama walda tare da fayil don tsaftacewa, da walƙiyar fillet a cikin kusurwar zagaye, babu kaifi. baki.
2. Hana ƙaramin rami a ƙarshen bututun ƙarfe, yi alama a sarari, kuma kada a toshe shi.Ana amfani da wannan rami don fitar da ragowar iskar gas tsakanin bututun ƙarfe da bututun tetrafluoroethylene a lokacin dumama, kuma ana amfani da shi don ganin ko bututun tetrafluoroethylene ya lalace kuma ya zubar yayin gwajin matsa lamba.
3. Ya kamata a riga an haɗa bututun ƙarfe kafin rufi.Za a haɗa haɗin haɗin gwiwa tare da kushin gwal na asbestos na kauri mai dacewa, don dacewa da buƙatun girman gabaɗaya bayan rufi.
4. bayan taron sumul karfe bututu zuwa yashi ayukan iska mai ƙarfi jiyya, don cire ciki bango tsatsa, sa'an nan tare da matsa iska tsaftace tube kogon.Saka tetrafluoroethylene bututu a cikin bututun karfe.Idan wasu bututun tetrafluoroethylene ba su da zagaye kuma ba za a iya saka su ba, ya kamata a yi amfani da ruwan zafi, tururi ko tanderun dumama matsakaici don dumama bututun tetrafluoroethylene, zafin zafin jiki bai wuce 100 ℃ ba.
5. Yi la'akari da tsawon flanging lokacin yankan bututun teflon.Gabaɗaya, tsayin 35-40 an keɓe gefe sama da saman zoben walda.Dole ne a sanya gasket na gwal na asbestos akan bututun TEflon kafin ya yi flanging.Fitar da bututun teflon cikin matakai biyu, na farko cikin kararrawa, wannan flanging ta amfani da guntun simintin simintin gyare-gyaren aluminum.Lokacin flanging, zafi da vivipary tare da harshen wuta oxyacetylene.Ana auna zafin ma'aunin tare da ma'aunin zafin jiki na semiconductor.Zazzabi bai kamata ya yi yawa ba.Ya kamata a sarrafa zafin jiki tsakanin 260 ℃ da 280 ℃.Lokacin da ake kitsawa, sannu a hankali danna ƙasa da zazzafan kayan haihuwa.Lokacin da kayan haihuwa ya kai gefen zoben walda, kar a ƙara dannawa.A wannan lokacin, sanyaya shi da ruwa kuma cire kayan haihuwa lokacin da ya huce zuwa yanayin zafi.Flanging na mataki na biyu yana ƙara yin filastik.Wannan lebur ne.
6. Bayan dumama, a hankali danna ƙasa kuma danna lebur gaba ɗaya, sannan a kwantar da ruwa zuwa zafin yanayi, sannan cire filogi.
7. da liyi bututu da mai kyau makafi farantin, a cikin musamman dumama Silinda, alaka da matsa iska tube, dumama da Silinda tare da matsakaici mita dumama hanya, sabõda haka, da overall zafin jiki na bututun zuwa game da 280 ℃, sa'an nan kuma sannu a hankali ta hanyar. 8-LOKGF/cm2 matsa lamba.Sanya bututun tetrafluoron a cikin tankin ruwa, nutsar da bututun a cikin ruwa, sannu a hankali ku wuce cikin iska mai nauyin 15kgf/cm2, duba ko akwai kumfa a ramin, idan an same shi, yana tabbatar da cewa bututun tetrafluoron ya karye.Dalili kuwa shine saboda rashin daidaituwar dumama ko kuma saurin hauhawar farashin kaya.Za a rufe bututun ƙarfe mai liyi a ƙarshen biyu tare da farantin makafi na itace don hana lalacewar bututun tetrafluoron.
Lokacin aikawa: Mayu-23-2022