Mutane da yawa ba su taba jin labarin triethyl aluminum (TEAL), amma yana taka muhimmiyar rawa wajen kera kayayyakin da mutane za su iya gani da tabawa kowace rana. TEAL wani fili ne na organoaluminum (carbon da aluminum) da ake amfani da shi don kera robobi masu girma da ƙarancin yawa, roba, magunguna, semiconductor, da polymers da ake buƙata don "barasa mai kitse" a cikin wanki da masu tsabtace hannu.
Polymers suna aiki ta hanyar haɗa kwayoyin halitta ɗaya (ko monomers) cikin manyan sarƙoƙi waɗanda za a iya amfani da su don yin samfura. A cikin ƙwayoyin polymers, kashin bayan waɗannan sarƙoƙi shine carbon da mahadi na organometallic, kamar TEAL. Wadannan mahadi suna samar da carbon da ake buƙata don amsawar polymerization. A cikin samar da wasu manyan robobi na yau da kullun, haɗin TEAL da titanium tetrachloride na iya samar da abubuwan haɓaka Ziegler-Natta. Wannan shine abin da ake buƙata don fara maganin sinadarai wanda ke haifar da polymerization olefin na layi sosai don samar da polyethylene da polypropylene.
Duk masana'anta da ke adanawa ko sarrafa TEAL yakamata su kula da juzu'in sinadarai. TEAL pyrophoric ne, wanda ke nufin zai ƙone lokacin da aka fallasa shi zuwa iska. A haƙiƙa, ƙaƙƙarfan martanin wannan sinadari tare da iskar oxygen na ruwa na cryogenic na ɗaya daga cikin dalilan amfani da shi azaman matakin farko na kunna roka na shirin SpaceX. Abu ɗaya kawai: Dole ne a ɗauki matsananciyar kulawa yayin sarrafa wannan abu. Ga masu kera robobin da ke fitar da wannan sinadari a kowace rana, famfo kawai da aka kera musamman don wannan aikace-aikacen za a iya amfani da su. Dole ne a ƙara kulawa don tabbatar da cewa ba a fallasa abin da ke haifar da iska yayin aiki.
Lokacin zabar famfo don aikace-aikacen TEAL, daidaito yana da matuƙar mahimmanci. Kowane tsarin sinadarai yana bin ƙayyadaddun tsari. Yin allurar da yawa ko kaɗan kaɗan ba zai haifar da sakamakon da ake so ba. Matsakaicin famfo waɗanda ke iya yin allurar musamman na adadin sinadarai da ake buƙata (tare da daidaiton +/- 0.5%) sune zaɓi na farko don aikace-aikacen masana'antun sinadarai na TEAL.
Dangane da kwarara da matsa lamba, TEAL yawanci ana aunawa da ƙarar ƙasa da gallon 50 a cikin awa ɗaya (gph) da matsi na ƙasa da fam 500 a kowane ma'aunin inci murabba'i (psig), wanda ke tsakanin mafi yawan famfunan awo. Babban ɓangaren tsarin polymerization shine cikakken yarda da ƙa'idodin Cibiyar Man Fetur ta Amurka (API) 675, daidaito da aminci. TEAL ya fi son famfunan da suka ƙunshi ƙarshen ruwa bakin karfe 316, 316 LSS ball valve da wurin zama, da polytetrafluoroethylene (PTFE) diaphragm don tsawaita rayuwar wannan sinadari mai haɗari.
Amintacciya da dogaro Famfu mai auna diaphragm (HAD) mai hydraulically yana iya aiki da dogaro tsawon shekaru da yawa kuma yana da dogon lokaci tsakanin kiyayewa (MTBR). Wannan ya faru ne saboda ƙirar famfo. A cikin ƙarshen ruwa, ƙarar da matsa lamba na ruwa na ruwa a gefe ɗaya na diaphragm daidai yake da matsa lamba na ruwa mai aiki a gefe guda, don haka diaphragm yana kiyaye daidaitattun daidaito tsakanin ruwaye biyu. Piston na famfo bai taɓa taɓa diaphragm ba, yana motsa man hydraulic cikin diaphragm, yana sa shi lanƙwasa isa ya motsa adadin da ake buƙata na ruwa mai sarrafawa. Wannan zane yana kawar da damuwa akan diaphragm kuma yana da tsawon rayuwar sabis.
Kodayake tsawon rai yana da mahimmanci, dole ne a ba da fifiko ga aminci ba tare da yabo ba. Yakamata a samar da famfunan awo don aikace-aikacen TEAL tare da bawul ɗin bincike don rage yuwuwar ɗigogi. Wurin ƙulla igiya na 4-bolt na waje yana ba da haɗin bututu mai ƙarfi da aminci. Na dogon lokaci, girgizawar waje na haɗin bututu na iya haifar da ɗigogi da manyan matsalolin famfo.
PTFE diaphragm yana da kyakkyawan rikodin waƙa a cikin yin famfo TEAL. Waɗannan famfo ya kamata su sami diaphragm guda biyu tare da aikin gano ɗigogi, kamar ma'aunin matsa lamba ko haɗin ma'aunin matsi da canzawa don faɗakar da yuwuwar matsalolin.
A matsayin kariya ta uku, bargon nitrogen a cikin kwandon ruwa da akwatin gear zai hana ruwan pyrophoric fallasa zuwa iska.
Ajiye Bawul ɗin dubawa akan famfon mai ƙididdigewa, wanda ke gudana a bugun bugun jini 150 a minti ɗaya, kwanaki 365 a shekara, zai buɗe kuma yana rufe fiye da sau miliyan 70 a shekara. Madaidaicin kulawa ko KOP (ci gaba da yin famfo) kit ɗin yana ba da sassan da ake buƙata don maye gurbin bawul ɗin rajistan famfo, wanda kuma ya haɗa da diaphragms, O-rings da hatimi. A matsayin wani ɓangare na kiyaye kariya, ya kamata kuma ya haɗa da canza man hydraulic na famfo.
Buƙatar robobi don kayan kariya na sirri (PPE), haɗe tare da ƙarancin farashin mai don rage farashin albarkatun ƙasa, yana nufin haɓakar samarwa da buƙatar masu haɓaka mai ƙima (kamar TEAL).
Jesse Baker shine jagoran kasuwanci na tallace-tallace na Pulsafeeder, sarrafa samfur, aikin injiniya da ƙungiyoyin sabis na abokin ciniki. Kuna iya tuntuɓar shi a jbaker@idexcorp.com. Don ƙarin bayani, da fatan za a ziyarci www.pulsafeeder.com.
Lokacin aikawa: Janairu-20-2021
