Incazelo emfushane:


  • Intengo ye-FOB eyinkomba:
    Kuyaxoxiswa
    / Ithani
  • Imbobo:China
  • Imigomo Yokukhokha:L/C, T/T, Western Union
  • I-CAS:75-20-7
  • Imininingwane Yomkhiqizo

    Omaka bomkhiqizo

    Igama Lomkhiqizo:I-calcium carbide

    Ifomethi ye-Molecular:C2Ca

    Inombolo ye-CAS:75-20-7

    Isakhiwo samangqamuzana omkhiqizo:

    I-calcium carbide

    IZIMPAHLA ZAMAKHEMIkhali

    I-Calcium carbide (ifomula ye-molecule: CaC2), iwuhlobo lwamakhemikhali abalulekile asetshenziswa ekucutshungulweni kwamakhemikhali e-limestone.Ngo-1892, u-H. Maysan (isiFulentshi) no-H. Wilson (e-United state) ngesikhathi esisodwa bakha indlela yokukhiqiza i-calcium carbide esekelwe ekuNciphisweni kwesithando somlilo.I-United States yayithole ngempumelelo ukukhiqizwa kwezimboni ngo-1895. Impahla ye-calcium carbide ihlobene nokuhlanzeka kwayo.Umkhiqizo wayo wezimboni ngokuvamile uyingxube ye-calcium carbide ne-calcium oxide, futhi iqukethe nenani elincane lesulfure, i-phosphorus, i-nitrogen nokunye ukungcola.Ngokuqukethwe okwandayo kokungcola, umbala ukhombisa okumpunga, okunsundu ukuya kokumnyama.Iphoyinti lokuncibilika kanye nokusebenza kukagesi kokubili kuncipha ngokuncipha kobumsulwa.Ukuhlanzeka komkhiqizo wayo wezimboni kuvame ukuba ngu-80% ne-mp ibe ngu-1800 ~ 2000 °C.Ezingeni lokushisa legumbi, ayisebenzi emoyeni, kodwa ingaba nokusabela kwe-oxidation ngaphezu kuka-350 ℃, futhi ibe nokusabela nge-nitrogen ku-600~700 ℃ ukuze ikhiqize i-calcium cyanamide.I-calcium carbide, lapho ihlangana namanzi noma isitimu, ikhiqiza i-acetylene futhi ikhulule inani elikhulu lokushisa.I-CaC2 + 2H2O─ → C2H2 + Ca (OH) 2 + 125185.32J, i-1kg ye-calcium carbide ehlanzekile ingakhiqiza u-366 L we-acetylene 366l (15 ℃, 0.1MPa).Ngaleyo ndlela, ukuze igcinwe: i-calcium carbide kufanele igcinwe kude namanzi.Ivamise ukupakishwa esitsheni sensimbi esivalekile, futhi ngesinye isikhathi igcinwe endaweni eyomile egcwaliswa ngenitrogen uma kunesidingo.

    INDAWO YOKUSEBENZA

    I-Calcium carbide (CaC2) inephunga elifana nelikagalikhi futhi ihlangana namanzi ukwenza igesi ye-acetylene kanye ne-calcium hydroxide nokushisa.Esikhathini esedlule, yayisetshenziswa ezibanini zabavukuzi ngokuqhubekayo ukukhiqiza ilangabi elincane le-acetylene ukuze linikeze ukukhanya okuthile ezimayini zamalahle.

    I-calcium carbide isetshenziswa njenge-desulfurizer, i-dehydrant yensimbi, uphethiloli ekwenzeni insimbi, i-deoxidizer enamandla nanjengomthombo wegesi ye-acetylene.Isetshenziswa njengesiqalo sokulungiswa kwe-calcium cyanamide, i-ethylene, irabha ye-chloroprene, i-acetic acid, i-dicyandiamide ne-cyanide acetate.Isetshenziselwa izibani ze-carbide, iziqhumane zamathoyizi ezifana ne-big-bang cannon kanye ne-bamboo cannon.Ihlotshaniswa ne-calcium phosphide futhi isetshenziselwa isignali yasolwandle entantayo, ezivutha ngokwayo I-Calcium carbide iyi-carbide ebaluleke kakhulu ezimbonini ngenxa yendima yayo ebalulekile njengesisekelo semboni ye-acetylene.Ezindaweni lapho kushoda khona uphethiloli, I-calcium Carbideisetshenziswa njengesiqalo sokukhiqiza i-acetylene (1 kg ye-carbide ikhiqiza ~300 litres acetylene), yona, engasetshenziswa njengesakhiwo sohlu lwamakhemikhali emvelo (isb. i-vinyl acetate, i-acetaldehyde ne-acetic acid. ).Kwezinye izindawo, i-acetylene iphinde isetshenziselwe ukukhiqiza i-vinyl chloride, impahla eluhlaza yokukhiqiza i-PVC.
    Ukusetshenziswa okungabalulekile kwe I-calcium Carbide ihlobene nemboni ye-ferilizers.Ihlangana ne-nitrogen yakhe i-calcium cyanamide, okuyizinto zokuqala ukukhiqizwa kwe-cyanamide (CH2N2).I-Cyanamide ingumkhiqizo wezolimo ojwayelekile osetshenziselwa ukuvuselela ukuhluma kwamahlamvu kusenesikhathi.
    I-Calcium Carbide ingasetshenziswa futhi njenge-ejenti ye-desulfurizing ukukhiqiza insimbi ye-carbon sulfur ephansi.Futhi, isetshenziswa njenge-ejenti yokunciphisa ukukhiqiza izinsimbi kusawoti wawo, isb, ukunciphisa ngokuqondile i-copper sulfide ibe yithusi eyinsimbi.ukuvutha.Ngaphezu kwalokho, kuhileleke ekunciphiseni i-copper sulfide ibe yithusi lensimbi.

    UTHENGA KANJANI KITHI

    I-Chemwin ingahlinzeka ngenqwaba yama-hydrocarbon amaningi nezincibilikisi zamakhemikhali kumakhasimende ezimboni.Ngaphambi kwalokho, sicela ufunde ulwazi olulandelayo oluyisisekelo mayelana nokwenza ibhizinisi nathi: 

    1. Ezokuphepha

    Ukuphepha kuyinto ehamba phambili yethu.Ngaphezu kokunikeza amakhasimende ulwazi mayelana nokusetshenziswa okuphephile nokunobungani kwemvelo kwemikhiqizo yethu, siphinde sizibophezele ekuqinisekiseni ukuthi ubungozi bokuphepha kwabasebenzi nosonkontileka buncishiswa bube buncane obunengqondo nobunokwenzeka.Ngakho-ke, sidinga ukuthi ikhasimende liqinisekise ukuthi izindinganiso ezifanele zokuphepha zokuthulula nokugcina impahla ziyahlangatshezwa ngaphambi kokulethwa kwethu (sicela ubheke isithasiselo se-HSSE emigomeni nemibandela yokuthengisa ngezansi).Ochwepheshe bethu be-HSSE banganikeza isiqondiso kulawa mazinga.

    2. Indlela yokulethwa

    Amakhasimende anga-oda futhi alethe imikhiqizo evela ku-chemwin, noma angathola imikhiqizo evela embonini yethu yokukhiqiza.Izindlela zokuthutha ezitholakalayo zifaka phakathi iloli, ujantshi noma ezokuthutha ezinezinhlobo eziningi (kuyasebenza izimo ezihlukene).

    Endabeni yezidingo zekhasimende, singacacisa izidingo zezikebhe noma amathangi futhi sisebenzise amazinga akhethekile okuphepha/wokubuyekeza kanye nezimfuneko.

    3. Inani elincane le-oda

    Uma uthenga imikhiqizo kuwebhusayithi yethu, inani elincane le-oda amathani angama-30.

    4.Inkokhelo

    Indlela yokukhokha ejwayelekile idonswa ngokuqondile zingakapheli izinsuku ezingu-30 ukusuka ku-invoyisi.

    5. Amadokhumenti okulethwa

    Amadokhumenti alandelayo anikezwa ngokudiliva ngakunye:

    · I-Bill of Lading, i-CMR Waybill noma enye incwadi yezokuthutha efanele

    · Isitifiketi Sokuhlaziya noma Ukuvumelana (uma sidingeka)

    · Imibhalo ehlobene ne-HSSE ngokuhambisana nemithethonqubo

    · Imibhalo yeCustoms ngokuhambisana nemithethonqubo (uma kudingeka)


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