Acetylene (C2H2)

Zosintha zaukadaulo

Acetylene, molecular formula C2H2, yomwe imadziwika kuti malasha amphepo kapena mpweya wa calcium carbide, ndiye membala wocheperako pamagulu a alkyne. Acetylene ndi mpweya wopanda mtundu, wapoizoni pang'ono komanso woyaka kwambiri wokhala ndi mphamvu yochepetsera mphamvu komanso anti-oxidation pansi pa kutentha ndi kukakamizidwa. Amasungunuka pang'ono m'madzi, amasungunuka mu ethanol, benzene, ndi acetone. Acetylene yoyera imakhala yopanda fungo, koma acetylene ya mafakitale imakhala ndi fungo la adyo chifukwa imakhala ndi zonyansa monga hydrogen sulfide ndi phosphine. Acetylene yoyera ndi gasi wopanda mtundu komanso wonunkhira woyaka. Ikhoza kuphulika mwamphamvu mumadzimadzi ndi olimba kapena mu mpweya komanso kuthamanga kwina. Zinthu monga kutentha, kugwedezeka, ndi spark yamagetsi zingayambitse kuphulika, kotero kuti sizingasungunuke ndi mphamvu. Kusungirako kapena mayendedwe. Pa 15 ° C ndi 1.5MPa, kusungunuka kwa acetone ndipamwamba kwambiri, ndi kusungunuka kwa 237g / L, kotero acetylene ya mafakitale ndi acetylene wosungunuka mu acetone, wotchedwanso acetylene. Chifukwa chake, m'makampani, m'masilinda achitsulo odzaza ndi zinthu zokhala ndi porous monga asibesitosi, acetylene amapanikizidwa muzinthu zaporous pambuyo poyamwa acetone kuti asungidwe ndi kunyamula. Mpweya wa Acetylene ukhoza kutulutsa kutentha kwakukulu ukawotchedwa. Kutentha kwa lawi la oxyacetylene kumatha kufika pafupifupi 3200 ℃. Nthawi zambiri amagwiritsidwa ntchito podula zitsulo monga kupanga zombo ndi zitsulo; amagwiritsidwa ntchito popanga organic synthesis (kupanga acetaldehyde, acetic acid, benzene, labala yopangira, ulusi wopangira, etc.), Synthetic mankhwala ndi mankhwala intermediates vinilu acetylene kapena divinyl acetylene; amagwiritsidwa ntchito popanga mipweya yokhazikika monga gasi wamafuta a transformer. Mpweya woyeretsedwa kwambiri wa acetylene umagwiritsidwa ntchito poyamwa ma atomiki ndi zida zina. Njira yoyikamo acetylene nthawi zambiri imasungunuka mu zosungunulira ndi zida za porous ndikudzazidwa mu masilindala achitsulo. Sungani m'nyumba yosungiramo zinthu zoziziritsa kukhosi komanso mpweya wabwino. Khalani kutali ndi gwero la moto ndi kutentha. Kutentha kosungirako sikuyenera kupitirira 30°C. Iyenera kusungidwa mosiyana ndi ma okosijeni, zidulo, ndi ma halojeni, ndikupewa kusungirako kosakanikirana. Gwiritsani ntchito magetsi osaphulika komanso mpweya wabwino. Ndizoletsedwa kugwiritsa ntchito zida zamakina ndi zida zomwe zimakhala zosavuta kuphulika. Malo osungiramo zinthu ayenera kukhala ndi zida zothandizira zadzidzidzi zomwe zatuluka.

Ntchito:

①Kudula ndi kuwotcherera zitsulo:

Acetylene ikayaka, imatha kutulutsa kutentha kwambiri. Kutentha kwa lawi la oxyacetylene kumatha kufika pafupifupi 3200 ℃, yomwe imagwiritsidwa ntchito podula ndi kuwotcherera zitsulo.

②Zida zopangira mankhwala:

Acetylene ndiye maziko opangira acetaldehyde, acetic acid, benzene, mphira wopangira, ndi ulusi wopangira.

③ Kuyesera

Acetylene yoyera kwambiri imatha kugwiritsidwa ntchito pazoyeserera zina.

Phukusi labwinobwino: