Methylene chloride, Ngwakọta organic nke nwere usoro kemịkalụ CH2Cl2, bụ mmiri mmiri na-enweghị agba nke nwere isi ísì dị ka ether.Ọ bụ ntakịrị soluble na mmiri, ethanol na ether.N'okpuru ọnọdụ nkịtị, ọ bụ ihe mgbaze na-adịghị ere ọkụ nke nwere ebe isi mmiri dị ala.Mgbe uzuoku ya ghọrọ ihe dị elu na ikuku okpomọkụ dị elu, ọ ga-emepụta gas agwakọta na-esighị ike, nke a na-ejikarị dochie ether petroleum, ether, wdg.
Njirimara:Dị ọchamethylene chlorideenweghị ntụpọ ọkụ.Ihe mgbaze nwere nha nha dichloromethane na mmanụ ụgbọala, ihe mgbaze naphtha ma ọ bụ toluene anaghị enwu ọkụ.Otú ọ dị, mgbe a na-agwakọta dichloromethane na acetone ma ọ bụ methyl Chemicalbook mmiri mmiri na 10: 1 ratio mix, ngwakọta nwere ebe ọkụ, vepo na ikuku na-emepụta ihe mgbawa, mgbawa njedebe 6.2% ~ 15.0% (olu).
Ngwa:
1. A na-eji ọka fumigation na refrigeration nke obere nrụgide refrjiraeto na ikuku oyi.
2, Ejiri ya dị ka ihe mgbaze, extractant, onye na-ahụ maka mutagenic.
3, Ejiri ya na ụlọ ọrụ eletrọnịkị.A na-ejikarị eme ihe dị ka ihe nhicha iji wepụ mmanụ.
4, Ejiri ya dị ka ọgwụ anestetiiki mpaghara eze, refrigerant, onye na-emenyụ ọkụ, ihe mkpuchi elu igwe na-ehicha ihe na ihe na-emebi emebi.
5, A na-eji ya dị ka etiti na njikọ organic.
Usoro nkwadebe:
1. Usoro chlorination gas gas na-emeghachi omume na gas chlorine.Mgbe hydrochloric acid nke hydrogen chloride na-emepụta na-agbanye na mmiri, a na-ewepụ ihe fọdụrụnụ hydrogen chloride na lye, na ngwaahịa emecha na-enweta site na ihicha, mkpakọ, condensation na distillation.
2. Chloromethane na chloromethane meghachiri omume na chlorine gas n'okpuru ọkụ 4000kW iji mepụta dichloromethane, nke agwụchara site na ịsacha alkali, mkpakọ, condensation, ihicha na nhazi.Isi ihe na-emepụta bụ trichloromethane.
Nchekwa:
1.Akpachara anya maka ịrụ ọrụ:Zenarị ọdịda ikuku n'oge ị na-arụ ọrụ, ma yikwa akụrụngwa nchedo onwe onye kwesịrị ekwesị.Zere ịhapụ uzuoku na ntapu mmiri n'ikuku nke ebe ọrụ.Na-arụ ọrụ na mpaghara a kapịrị ọnụ yana ezigbo ikuku ventilashị wee were obere ego.Ngwá ọrụ nzaghachi mberede kwesịrị ịdị na-adị mgbe niile iji lụso ọkụ ọgụ ma na-ahụ maka mwụfu.Akpa nchekwa efu ka nwere ike ịnwe ihe ndị dị ize ndụ.Arụla ọrụ n'akụkụ ebe ịgbado ọkụ, ire ọkụ ma ọ bụ ebe dị ọkụ.
2.Akpachara anya nchekwa:Chekwaa n'ebe dị jụụ, kpọrọ nkụ, nke nwere ikuku nke ọma na-enweghị ìhè anyanwụ kpọmkwem.Chekwaa ebe ikpo ọkụ, ire ọkụ na enweghị ndakọrịta dị ka oxidant siri ike, acid siri ike na nitric acid.Chekwaa n'ime akpa akara nke ọma.Akpa na-adịghị eji eme ihe na ịgbà tọgbọ chakoo kwesịrị ikpuchi nke ọma.Zere mmebi nke akpa ahụ ma na-enyocha tankị mgbe niile maka ntụpọ dị ka mgbaji ma ọ bụ ntufu.A na-eji galvanized ma ọ bụ phenolic resin kpuchie akpa iji belata ohere nke ire ere nke methylene chloride.Nchekwa oke.Bipute akara ịdọ aka ná ntị ebe ọ dabara adaba.Ekwesịrị kewapụ ebe nchekwa ahụ na mpaghara ọrụ kpụ ọkụ n'ọnụ nke ndị ọrụ ma gbochie ohere ịbanye na mpaghara ahụ.Jiri paịpụ rọba nke edobere maka iji ihe na-ewepụta ihe na-egbu egbu.Ihe ahụ nwere ike wulite ọkụ eletrik nke nwere ike ime ka ọkụ.Chekwaa n'ebe dị jụụ, kpọrọ nkụ, ebe ikuku na-ekuku nke ọma na-adịghị na ìhè anyanwụ kpọmkwem.
3.Nkwakọ ngwaahịa na njem:Jiri galvanized ígwè orù na-emechi, 250kg kwa gbọmgbọm, ụgbọ oloko tank, ụgbọ ala nwere ike ibufe.Ekwesịrị ịchekwa ya na oyi, ọchịchịrị, nkụ, ebe ikuku na-ekpo ọkụ, ṅaa ntị na mmiri.
Oge nzipu: Feb-16-2023