Njirimara nke ọkụ kerosene KO-25
Ngwa
Ịchọpụta nhọpụta nke ngwaahịa mmanụ a na-ajụ dị nnọọ mfe: ọkụ kerosene, na oke ọkụ dị elu nke 25 mm. Site n'ụzọ, ịdị elu nke ire ọkụ bụ ihe ngosi dị oke mkpa nke kwesịrị ekwesị nke ọkụ kerosene maka ebumnuche ụfọdụ. N'ihi ya, a na-emepụta akara ule ndị a na-enweta site na mpempe mmanụ ọkụ dị ka teknụzụ chọrọ GOST 11128-65 si dị, na site na akụkụ dị arọ - GOST 92-50. N'okwu nke ikpeazụ, a na-akpọ kerosene pyronaphtha; ọ nwere oke mgbanye ọkụ (site na 3500C) na friza na oke okpomọkụ dị ala. A na-eji Pyronaft eme ihe dị ka isi iyi ọkụ pụrụ iche na arụ ọrụ n'okpuru ala - ogbunigwe, tunnels, wdg.
N'oge ọkụ ọkụ na-emeghe, a na-ewepụta ogige dị iche iche nke na-etinye ihe ize ndụ nye ahụike mmadụ. Ya mere, ka elu ire ọkụ na-ebelata, ihe egwu gburugburu ebe obibi nke kerosene na-ebelata. N'agbanyeghị enweghị data sayensị, achọpụtala na isi ihe mkpofu sitere na combustion nke kerosene ọkụ bụ obere irighiri carbon monoxide (CO), nitrogen oxides dị iche iche (NOx), yana sọlfọ dioxide (SO).2). Nnyocha e mere na mmanụ ọkụ a na-eji esi nri ma ọ bụ ọkụ na-egosi na ihe na-esi n'ọkụ nwere ike imebi ọrụ ngụgụ ma mee ka ohere nke ọrịa na-efe efe (gụnyere ụkwara nta), ụkwara ume ọkụ na ọrịa kansa. Ya mere, a na-ekpebi nnọpụiche gburugburu ebe obibi nke ụdị ọkụ kerosene nke a na-emepụta ugbu a site na usoro ndị a: KO-30 → KO-25 → KO-20.
N'ọnọdụ ụfọdụ, ọkụ kerosene KO-25 na-eji dị ka mmanụ ụgbọala, dochie akara ule TS-1 ma ọ bụ KT-2, karịsịa ebe ya mejupụtara nwere a kacha nta nke elu hydrocarbons na emits dịtụ ole na ole soot bekee n'oge combustion. Otú ọ dị, uru calorific nke KO-25 kerosene dị ala, nke na-emetụta ihe oriri nke mmanụ ọkụ dị otú ahụ.
Njirimara physico-chemical
A na-eji mmanụ ọkụ na-enwu ọkụ nke a na-emepụta site na irighiri mmanụ nwere sọlfọ nwere ihe ngosi ọnụọgụ ndị a:
| Ogologo | Ọnụ ego ọnụọgụgụ | |||
| KO-20 | KO-22 | KO-25 | KO-30 | |
| Njupụta, t/m3 | 0,830 | 0,805 | 0,795 | 0,790 |
| Okpomọkụ mmalite evaporation 0С | 270 | 280 | 290 | 290 |
| Ebe esi nri 0С | 180 | 200 | 220 | 240 |
| ebe mgbari, 0С | 60 | 45 | 40 | 40 |
Ụdị ọkụ ọkụ niile nwere oke sọlfọ (site na 0,55 ruo 0,66%).
A na-ewere njirimara nke ọkụ ọkụ KO-25 dị mma maka iji ya na stovu kerosene ma ọ bụ ikpo ọkụ nke ụdị dị iche iche. Dịka ọmụmaatụ, n'ime ọkụ wick, ụkpụrụ ya dabere na mbufe mmanụ ọkụ, yana n'ime ọkụ ọkụ na-arụ ọrụ nke ọma na nke na-ekpo ọkụ na steam jet nozzles, nke na-eme ka mmanụ ahụ na-eme ka mmanụ ọkụ site na ịgbapụta ma ọ bụ kpo oku.
Kerosene KO-20
Akụkụ ọrụ nke kerosene brand KO-20 bụ na, iji belata pasent nke sọlfọ, a na-etinyekwa ngwaahịa ahụ emechara na hydrotreating. Ya mere, nke a ika na-eji maka mgbochi ịsacha na ihicha nke ígwè ngwaahịa, nakwa dị ka elu degreasing tupu priming, eserese, wdg N'ihi ya ala toxicity, KO-20 nwere ike ji mee ihe maka diluting abụba-soluble akọwa.
Kerosene KO-30
Ebe ọ bụ na n'oge combustion ọkụ kerosene KO-30 e ji nke kasị elu ire ọkụ dị elu na elu flash point, nke a mmanụ ala na-eji dị ka a na-arụ ọrụ mmiri mmiri maka kerosene cutters. Njupụta nke KO-30 bụ nke kachasị elu nke ụdị ọkụ ọkụ ọkụ, ya mere a na-ejikwa ya maka nchekwa nwa oge nke ngwaahịa ígwè.
