Methane
Ⅰ. Cov ntaub ntawv yooj yim
Molecular Formula: CH₄Molecular Luj: 16.04 CAS Nr.: 74-82-8
Qhov tshwm sim & tsw: Tsis muaj xim, tsis muaj ntxhiab roj
Melting PointKub: -182.5 degree
Cov ntsiab lus kub (1 atm)Kub: -161.5 degree
Qhov ceev (0 degree, 1 atm)Qhov hnyav: 0.717 kg / m³
Kev txheeb ze ntom ntom (Air=1): 0.555
Qhov ntsuas kub tseem ceebQhov kub thiab txias: -82.1 degree
Critical SiabUa haujlwm siab: 4.59 MPa
Solubility: Soluble me ntsis hauv dej, me ntsis soluble hauv cawv thiab ether
Cov yam ntxwv tshuaj
Flammable roj; Flammability txwv nyob rau hauv huab cua: 5% ~ 15% (Volume feem)
Ua kom tiav combustion ua rau cov pa roj carbon dioxide thiab dej nrog cov nqi calorific siab thiab muaj kuab paug tsawg.
Chemically ruaj khov ntawm chav tsev kub, thiab tsis hnov mob nrog cov acids muaj zog, muaj zog alkalis lossis cov oxidants muaj zog.
High concentration yuav ua rau asphyxiation; tsawg toxicity.
Ⅱ. Cov ntawv thov tseem ceeb
· Roj HmabSiv rau pej xeem natural gas, muaj boiler roj, hluav taws xob tsim, CNG thiab LNG tsheb roj.
· Tshuaj Raw KhoomSiv los tsim methanol, formaldehyde, methyl chloride, dichloromethane, acetylene thiab carbon dub; kuj tseem siv rau hydrogen ntau lawm ntawm chav hloov pauv.
· Kev kho cua sov kev lag luamSiv rau hlau carburizing los txhim kho deg hardness; ua ntej rau CVD kev npaj ntawm graphene, carbon nanotubes thiab lwm yam carbon{0}}raws li cov ntaub ntawv.
· Laboratory & Electronic IndustrySiv los ua cov pa roj carbon monoxide thiab roj roj rau cov roj chromatography, cov pa roj carbon monoxide, nrog rau cov pa pabcuam rau cov khoom siv hluav taws xob semiconductor etching, tu thiab epitaxial loj hlob.
· Kev lag luam tub yeesSiv ua tub yees R50 rau qis- tub yees txias.
Ⅲ. Ntim & Logistics
Ntim
Gaseous methane (lub tog raj kheej)Txais 40L seamless steel lub tog raj kheej nrog kev ua haujlwm siab ntawm 15 MPa. Lub peev xwm puv yog li 6 m³ ntawm 25 degree. Lub tog raj kheej lub cev yog pleev xim liab nrog cov cim dawb raws li cov qauv hauv tebchaws.
Liquefied Methane (LNG)Khaws thiab thauj hauv insulated cryogenic tso tsheb hlau luam thiab tank tsheb nyob rau hauv tej yam kev mob ntawm -162℃thiab 0.1 ~ 0.3 MPa.
Cov ntaub ntawv thauj mus los
UN No.: 1971
Hazard Class: Chav Kawm 2.1 Flammable Gas
Dangerous Khoom No.: 21007
Cov cim ceeb toom: Flammable Gas, Tsis qhib nplaim taws
Kev Cia & Kev Thauj Mus Los
Cia: Khaws rau hauv qhov chaw txias thiab qhov cua uas muaj qhov kub thiab txias hauv qab 35 degree. Khaws kom deb ntawm qhov hluav taws kub thiab qhov cua sov nrog qhov kev nyab xeeb tsis pub tsawg tshaj 15 meters. Cais tawm los ntawm oxidants. Muab cov cylinders upright thiab kho kom ruaj khov nrog lub kaus mom tiv thaiv. Khaws qhov seem siab tshaj 0.5 MPa hauv lub tog raj kheej khoob.
Kev thauj mus los: Siv cov tsheb thauj khoom tshwj xeeb lossis lub tog raj kheej lub tsheb, nruab nrog cov nplaim taws, cov saw hlau zoo li qub thiab cov hmoov tua hluav taws qhuav. Kev tsav tsheb ceev yuav tsum tsis pub tshaj 60 km / h. Tso lub tog raj kheej horizontally nrog lub raj mis lub qhov ncauj nyob rau hauv tib txoj kev thiab kho kom tsis txhob dov. Tsis txhob tshav ntuj ncaj qha; npaj kev thauj mus los thaum sawv ntxov thiab yav tsaus ntuj thaum lub caij kub.Tsis txhob thauj nrog oxygen, chlorine thiab oxidants.
Yog tias koj muaj kev xav tau rau cov khoom siv tshuaj, thov koj xav tiv tauj peb hauv xov tooj lossis email. Peb tos ntsoov rau koj qhov kev nug.
Peb qhov chaw nyob
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