Sunan samfur: Calcium carbide
Tsarin kwayoyin halitta:C2Ca
CAS No:75-20-7
Tsarin kwayoyin halitta:
Calcium carbide (kasuwancin kwayoyin halitta: CaC2), wani nau'i ne na albarkatun albarkatun kasa masu mahimmanci da aka samar daga sarrafa sinadarai na farar ƙasa.A cikin 1892, H. Maysan (Faransa) da H. Wilson (Amurka) a lokaci guda sun haɓaka tsarin samar da sinadarin calcium carbide dangane da Rage tanderu.Kasar Amurka ta samu nasarar samar da masana'antu a shekarar 1895. Dukiyar calcium carbide tana da alaka da tsarkinta.Samfurinsa na masana'antu galibi shine cakuda calcium carbide da calcium oxide, sannan kuma ya ƙunshi adadin sulfur, phosphorus, nitrogen da sauran ƙazanta.Tare da karuwar abun ciki na ƙazanta, launi yana nuna launin toka, launin ruwan kasa zuwa baki.Ma'anar narkewa da ƙarfin lantarki duka suna raguwa tare da raguwar tsabta.Tsaftar samfuran masana'anta yawanci 80% ne tare da mp kasancewa 1800 ~ 2000 ° C.A dakin da zafin jiki, shi ba ya amsa da iska, amma yana iya samun hadawan abu da iskar shaka dauki a sama da 350 ℃, kuma suna da dauki tare da nitrogen a 600 ~ 700 ℃ don samar da calcium cyanamide.Calcium carbide, lokacin da ya zo da ruwa ko tururi, yana haifar da acetylene kuma ya saki adadin dumama.CaC2 + 2H2O─ → C2H2 + Ca (OH) 2 + 125185.32J, 1kg na tsantsar calcium carbide zai iya samar da 366 L na acetylene 366l (15 ℃, 0.1MPa).Don haka, don ajiyarsa: ya kamata a kiyaye calcium carbide sosai daga ruwa.Yawancin lokaci ana cika shi a cikin kwandon ƙarfe da aka rufe, kuma a wasu lokuta ana adana shi a cikin busasshen sito ana cika shi da nitrogen idan ya cancanta.
Calcium carbide (CaC2) yana da wari kamar tafarnuwa kuma yana amsawa da ruwa don samar da iskar acetylene da calcium hydroxide da zafi.A da, an yi amfani da shi a cikin fitilun masu hakar ma'adinai don ci gaba da samar da ƙaramin wuta na acetylene don samar da haske a ma'adinan kwal.
Calcium carbide ana amfani dashi azaman desulfurizer, dehydrant na karfe, man fetur a cikin ƙarfe, mai ƙarfi deoxidizer kuma azaman tushen iskar acetylene.Ana amfani dashi azaman kayan farawa don shirye-shiryen calcium cyanamide, ethylene, chloroprene rubber, acetic acid, dicyandiamide da cyanide acetate.Ana amfani da shi a cikin fitilun carbide, gwanayen wasan yara irin su babban-bang cannon da bamboo cannon.Yana da alaƙa da alli phosphide kuma ana amfani dashi a cikin iyo, siginar jiragen ruwa mai kunna kai Calcium carbide shine mafi dacewa carbide masana'antu saboda muhimmiyar rawa a matsayin tushen masana'antar acetylene.A wuraren da ake da karancin man fetur. Calcium Carbideana amfani dashi azaman kayan farawa don samar da acetylene (1 kilogiram na carbide yana samar da ~ 300 lita acetylene), wanda, bi da bi, za'a iya amfani dashi azaman ginin ginin don kewayon sinadarai na kwayoyin halitta (misali vinyl acetate, acetaldehyde da acetic acid). ).A wasu wurare, ana kuma amfani da acetylene don samar da vinyl chloride, albarkatun kasa don samar da PVC.
Amfani mai ƙarancin mahimmanci Calcium Carbide yana da alaƙa da masana'antar taki.Yana amsawa tare da nitrogen don samar da calcium cyanamide, wanda shine farkon abu don samar da cyanamide (CH2N2).Cyanamide samfurin noma ne na gama gari da ake amfani da shi don tada fure da wuri.
Hakanan ana iya amfani da Calcium Carbide azaman wakili mai lalata don samar da ƙarancin ƙarfe na sulfur.Har ila yau, ana amfani da shi azaman wakili mai ragewa don samar da karafa daga gishiri, misali, don rage kai tsaye na jan karfe sulfide zuwa jan karfe.flares.Bugu da ari, yana da hannu wajen rage jan karfe sulfide zuwa ƙarfe na ƙarfe.
Chemwin na iya samar da nau'ikan nau'ikan hydrocarbons da abubuwan kaushi na sinadarai don abokan cinikin masana'antu.Kafin wannan, da fatan za a karanta mahimman bayanai masu zuwa game da yin kasuwanci tare da mu:
1. Tsaro
Tsaro shine babban fifikonmu.Baya ga samar wa abokan ciniki bayanai game da aminci da amincin amfani da samfuran mu, mun kuma jajirce wajen tabbatar da cewa an rage haɗarin aminci na ma'aikata da 'yan kwangila zuwa mafi ƙanƙanta mai yuwuwa.Sabili da haka, muna buƙatar abokin ciniki don tabbatar da cewa an cika daidaitattun ƙa'idodin saukarwa da aminci na ajiya kafin isar da mu (da fatan za a koma zuwa ƙarin bayanin HSSE a cikin sharuɗɗan tallace-tallace na gaba ɗaya da ke ƙasa).Kwararrun mu na HSSE na iya ba da jagora akan waɗannan ƙa'idodi.
2. Hanyar bayarwa
Abokan ciniki na iya yin oda da isar da kayayyaki daga chemwin, ko kuma za su iya karɓar samfuran daga masana'antar masana'anta.Hanyoyin sufurin da ake da su sun haɗa da manyan motoci, jirgin ƙasa ko jigilar kayayyaki da yawa (sharuɗɗan daban sun shafi).
Game da buƙatun abokin ciniki, za mu iya ƙididdige buƙatun jiragen ruwa ko tankuna da amfani da ƙa'idodin aminci / bita na musamman da buƙatu.
3. Mafi ƙarancin tsari
Idan ka sayi samfura daga gidan yanar gizon mu, mafi ƙarancin tsari shine ton 30.
4.Biyan kuɗi
Daidaitaccen hanyar biyan kuɗi shine cirewa kai tsaye a cikin kwanaki 30 daga daftari.
5. Takardun bayarwa
Ana ba da waɗannan takaddun tare da kowace bayarwa:
Bill of Lading, CMR Waybill ko wasu takaddun jigilar kayayyaki masu dacewa
Takaddun Takaddun Bincike ko Daidaitawa (idan an buƙata)
Takaddun da ke da alaƙa da HSSE daidai da ƙa'idodi
Takaddun kwastam daidai da ka'idoji (idan an buƙata)
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