Ngwaahịa
3-Dimethylaminopropylamine / Dmapa
Nkọwa ngwaahịa
Isi ojiji nke ethylene glycol bụ ihe na-egbochi friza na coolant dị ka ihe atụ, ụgbọ ala na ikuku oyi na-etinye na chiller ma ọ bụ ikuku njikwa n'èzí ma ọ bụ ga-ajụkwa n'okpuru kefriza okpomọkụ nke mmiri. N'ime usoro ikpo ọkụ / ikpo ọkụ geothermal, ethylene glycol bụ mmiri na-ebufe okpomọkụ site na iji mgbapụta ọkụ geothermal. Ethylene glycol na-enweta ike site na isi iyi (ọdọ mmiri, oke osimiri, mmiri mmiri) ma ọ bụ na-ekpochapụ okpomọkụ na sink, dabere ma a na-eji usoro ahụ eme ihe maka ikpo ọkụ ma ọ bụ dị jụụ.
Ethylene glycol dị ọcha nwere ikike ikpo ọkụ dị ihe dị ka ọkara nke mmiri. Ya mere, ka ị na-enye nchebe oyi na ebe na-esiwanye ike, ethylene glycol na-ebelata ikike okpomọkụ nke ngwakọta mmiri n'ihe metụtara mmiri dị ọcha. A 1: 1 mix site uka nwere a kpọmkwem okpomọkụ ikike nke banyere 3140 J / (kg · ° C) (0.75 BTU / (lb · ° F)), atọ n'ụzọ anọ nke mmiri dị ọcha, si otú a na-achọ mmụba eruba ọnụego na otu- atụnyere usoro na mmiri.
Njirimara
| Usoro | C5H14N2 | |
| CAS NO | 109-55-7 | |
| ọdịdị | enweghị agba, uzo, mmiri mmiri viscous | |
| njupụta | 0.812 g/mL na 25 Celsius C (ọkụ) | |
| esi ebe | 133C (ọkụ) | |
| flash(ing) ebe | 90 Celsius F | |
| nkwakọ ngwaahịa | drum/ISO tank | |
| Nchekwa | Chekwaa n'ebe dị jụụ, ikuku na-eku ume, ebe akọrọ, dịpụrụ adịpụ site na isi ọkụ, ịkwanye na ịkwatu ụgbọ njem kwesịrị ịchekwa dịka ndokwa nke kemịkal na-egbu egbu na-ere ọkụ. | |
* Ihe ndị a bụ naanị maka ntụnye aka. Maka nkọwa, rụtụ aka na COA
Ngwa
| Enwere ike iji ya mee ihe n'ọtụtụ ebe na ihe ịchọ mma akụrụngwa, akwa, resins mgbanwe ion, mmanụ, fungicides, ihe mgbakwunye galvanizing na-enweghị cyanide, eriri na ndị na-ahụ maka ọgwụgwọ akpụkpọ anụ, ndị na-agwọ ọrịa resin epoxy, ihe ndị dị mkpa kwa ụbọchị, polyurethane foam catalysts na ubi ndị ọzọ. nke |
Ngwakọta nke ethylene glycol na mmiri na-enye ndị ọzọ uru na coolant na antifreeze ngwọta, dị ka igbochi corrosion na acid mmebi, nakwa dị ka inhibit uto nke ọtụtụ ụmụ nje na fungi.Mixtures nke ethylene glycol na mmiri na-mgbe ụfọdụ informally zoro aka na ụlọ ọrụ dị ka. glycol concentrates, ogige, ngwakọta, ma ọ bụ ngwọta.
N'ime ụlọ ọrụ rọba, ethylene glycol bụ ihe dị mkpa na-ebute eriri polyester na resins. Polyethylene terephthalate, nke a na-eji eme karama plastik maka ihe ọṅụṅụ dị nro, na-esi na ethylene glycol kwadebere.
Uru
Ogo ngwaahịa, oke zuru oke, nnyefe dị mma, ọrụ dị elu O nwere uru karịa amine yiri nke ahụ, ethanolamine, n'ihi na enwere ike iji ntinye uche dị elu maka otu ikike corrosion. Nke a na-enye ndị na-anụcha ihe ohere ihicha hydrogen sulfide na obere amine na-ekesa na obere ike ojiji.
