Methylene chloride, wani kwayoyin halitta tare da tsarin sinadarai CH2Cl2, ruwa ne marar launi mara launi tare da wari mai kama da ether.Yana da ɗan narkewa cikin ruwa, ethanol da ether.A karkashin yanayi na al'ada, yana da sauran ƙarfi mara ƙonewa tare da ƙananan tafasa.Lokacin da tururi ya zama babban taro a cikin iska mai zafin jiki, zai haifar da gauraye mai rauni mai rauni, wanda ake amfani da shi don maye gurbin ether mai ƙonewa, ether, da sauransu.
Kaddarori:Tsaftacemethylene chlorideba shi da wurin walƙiya.Abubuwan da ke ɗauke da daidaitattun adadin dichloromethane da man fetur, naphtha mai ƙarfi ko toluene ba sa ƙonewa.Duk da haka, lokacin da aka haxa dichloromethane da acetone ko methyl Chemicalbook barasa ruwa a cikin 10: 1 rabo hadawa, da cakuda yana da walƙiya batu, tururi da iska don samar da wani fashewar cakuda, fashewa iyaka 6.2% ~ 15.0% (girman).
APPLICATION:
1. An yi amfani da shi don fumigation hatsi da firiji na ƙananan firiji da na'urar kwandishan.
2, Ana amfani dashi azaman ƙarfi, cirewa, wakili na mutagenic.
3, Amfani da shi a cikin masana'antar lantarki.Yawanci ana amfani dashi azaman mai tsaftacewa don cire mai.
4, An yi amfani da shi azaman maganin sa barci na gida, refrigerant, wakili na kashe wuta, tsaftacewa da gyaran fuska na karfe da wakili na lalata.
5, An yi amfani da shi azaman tsaka-tsaki a cikin ƙwayoyin halitta.
Hanyar shiri:
1. Tsarin chlorination na iskar gas iskar gas yana amsawa da iskar chlorine.Bayan hydrochloric acid da aka samar da hydrogen chloride ya sha ruwa, ana cire ragowar alamar hydrogen chloride tare da lemun tsami, kuma samfurin da aka gama yana samuwa ta hanyar bushewa, matsawa, daskarewa da distillation.
2. Chloromethane da chloromethane sun mayar da martani da iskar chlorine a karkashin hasken 4000kW don samar da dichloromethane, wanda aka gama ta hanyar wanke alkali, matsawa, daskarewa, bushewa da gyarawa.Babban samfurin shine trichloromethane.
Tsaro:
1.Kariya don aiki:A guji faɗuwar hazo yayin aiki, kuma saka kayan kariya masu dacewa.A guji sakin tururi da digon hazo cikin iskan wurin aiki.Yi aiki a wani yanki na musamman tare da samun iska mai kyau kuma ɗauki mafi ƙarancin adadin.Yakamata a samar da kayan agajin gaggawa a kowane lokaci don yaƙar gobara da magance zubar da jini.Kwantenan da babu kowa a ciki na iya ƙunsar rago masu haɗari.Kada a yi aiki a kusa da walda, harshen wuta, ko saman zafi.
2.Kariyar ajiya:Ajiye a wuri mai sanyi, busasshiyar wuri mai cike da iska ba tare da hasken rana kai tsaye ba.Ajiye nesa da tushen zafi, harshen wuta da rashin daidaituwa kamar su mai ƙarfi oxidant, acid mai ƙarfi da nitric acid.Ajiye a cikin akwati da aka yiwa lakabi da kyau.Ya kamata a rufe kwantena da ba a yi amfani da su ba da ganguna maras amfani.Guji lalacewa ga akwati kuma a duba tanki akai-akai don lahani kamar karyewa ko zubewa.An lulluɓe kwantena tare da galvanized ko phenolic resin don rage yiwuwar bazuwar methylene chloride.Ma'aji mai iyaka.Sanya alamun gargadi a inda ya dace.Ya kamata a raba wurin ajiya daga ma'aikatan babban yanki na aiki kuma a iyakance damar shiga yankin.Yi amfani da bututun filastik waɗanda aka keɓe don amfani da abubuwa don fitar da abubuwa masu guba.Kayan zai iya gina wutar lantarki a tsaye wanda zai iya haifar da konewa.Ajiye a wuri mai sanyi, busasshe, da iskar iska mai kyau nesa da hasken rana kai tsaye.
3.Marufi da sufuri:Yi amfani da ganga na ƙarfe don rufewa, 250kg kowace ganga, tankar jirgin ƙasa, ana iya jigilar mota.Ya kamata a adana shi a cikin sanyi, duhu, bushe, wuri mai kyau, kula da danshi.
Lokacin aikawa: Fabrairu-16-2023