Tsim, Tsev kawm ntawv qib thiab universities
Coke cub gas: muaj pes tsawg leeg, siv, ntau lawm
Ntev dhau los, coke cub gas yog suav tias yog ib tug los ntawm-cov khoom nyob rau hauv tus txheej txheem ntawm kev tsim ib coke, li ntawd nws yog feem ntau txawm ntxuaj cua lawm cov cua (uas yog ib tug zoo heev yog vim li cas!). Gas pib yuav tsum tau siv tom qab rau lub hom phiaj ntawm cov cua kub coke ncu, thiab niaj hnub no nws yog tag nrho muab rau tsis tau tso cai cov neeg siv rau kev siv thiab rau lwm yam xav tau kev pab. Yuav ua li cas, ces, yog cov coke cub gas, thiab dab tsi yog nws muaj pes tsawg leeg? Qhov tsab xov xwm no tham txog txhua yam ntawm qhov teeb meem thiab muab pob zeb ua piv txwv ntawm txoj kev siv ntawm cov roj.
Lub keeb kwm nam
Keeb kwm ntawm coke cub gas Yeshe pib nyob rau hauv lub lig 19th - thaum ntxov 20th caug xyoo. Txawm ces nws siv rau lub hom phiaj ntawm teeb pom kev zoo, cua sov, thiab, ntsig txog, rau ua noj ua haus thiab lwm yam domestic affairs. Thaum lub kiv puag ncig industrial tsoo tawm, thiab urbanization. Raug by-khoom ntawm qhov, thee ib thiab ammonia tau txais kev pab tseem ceeb, uas yog lub raw khoom nyob rau hauv qhov siv thiab ua dyes thiab tshuaj muaj pes tsawg leeg ntawm cov tshuaj kev lag luam nyob rau hauv feem ntau. Yog li, kiag li tag nrho cov hom ntawm cov khoom cua colorants cim ua los ntawm cob thiab coke cub gas.
стал широко использоваться в печах для изготовления промышленной продукции, в двигателях газового типа функционирования и, конечно же, в роли сырья при производстве химических продуктов. Nyob rau hauv tas li ntawd, coke cub gas tau ua lug siv nyob rau hauv furnaces rau qhov siv thiab ua muaj cov khoom, xyaw, roj hom thiab cov lag luam, ntawm chav kawm, raws li ib tug raw khoom nyob rau hauv qhov siv thiab ua tshuaj cov khoom.
Kev npaj ntawm coke cub gas
Kev npaj ntawm coke cub gas tshwm sim ib txhij nrog lub cim ntawm coke nyob rau hauv coke cov nroj tsuag kev taw qhia los ntawm cov qhuav distillation ntawm thee. Nws yog ib qho tseem ceeb kom nco ntsoov tias tus txheej txheem no yuav tsum tau mus ntawm 900-1200 degrees. Raws li sau tseg saum toj no, cov thawj theem ntawm nucleation roj yog suav tias yog ib tug los ntawm-cov khoom cim, li ntawd, nws yog feem ntau nyob rau hauv lub atmospheric cua. Ib me ntsis tom qab los ntawm cov coke cub gas ua rhuab los ntawm ncu. Yog li, kev noj roj rau tus kheej xav tau kev pab undergone ntau yam pauv loj txo (yuav luag 60%), tus so muaj tib lub xov tooj mus rau txawv pawg ntawm cov neeg, rau Piv txwv li, rau cua sov metallurgical rauv taws nte, uas tsis tshua muaj neeg siab kub, los yog rau tsev neeg tej xwm txheej. Rau hnub tim, kiag li tag nrho cov roj belongs rau outsiders tau txais kev pab. Yog vim li cas? Lub fact tias cov coke cub gas yog ib tug heev high-calorie, uas txhais tau tias nws yog tau siv tsis tshua kim roj rau cua sov furnaces. Ib tug piv txwv ntawm tej tej zaum yuav liquefied roj. Los ntawm txoj kev, nws ua hauj lwm pab raws li lub hauv paus ntawm hluav taws roj zeb-butane sib tov.
Coke Cub Gas: Muaj pes tsawg leeg
Raws li nws muab tawm, los ntawm ib tug plurality ntawm dag keeb kwm gases xam tau tias yog nyob rau hauv tsab xov xwm thiab ua nyob rau hauv coking thee roj txawv enormous nqi. Nws yuav tsum tau muab sau tseg tias los ntawm ib cov tswv yim pom ntawm nws muaj pes tsawg leeg undergoes tseem ceeb hloov mus hloov los. Nws nyob, raws li ib tug txoj cai, nyob rau hauv feedstock, uas yog siv raws li roj, los ntawm txawv nyob rau hauv hom ntawm kev ua si, lub cev mob ntawm coke ncu thiab thiaj li nyob. Nws calorific nqi yog nyob rau hauv ntau 15-19 MJ / m3. Yog hais tias peb xav txog lub Cheebtsam ntawm lub gas raws li ib tug feem pua ntawm cov volume, ces tsim lub nram qab no daim duab:
- H2: 55-60.
- CH4: 20-30.
- SB: 5-7.
- CO2: 2-3.
- N2: 4.
- unsaturated hydrocarbons: 2-3.
- O2: 0.4-0.8.
Ceeb tshaj, cov coke cub gas (formula: N2CH4NH3C2H4) muaj ib tug ntom ntawm ib tug kub ntawm xoom degrees los ntawm 0,45 mus 0.50 kg / m3 tej thaum tshav kub kub sib npaug zos rau 1.35 kJ / (m 3 · K), thiab qhov kub thiab txias txog txheej txheem ntawm tiv cav tseb, nce mus txog 600-650 degrees.
compound ntawm lub mis
Raws li tau piav saum toj no, nyob rau hauv lub coke cub gas muaj xws li tshuaj xws li hydrogen (H2), methane (CH4), ammonia (NH3) thiab ethylene (C2H4). Raws li ib qho piv txwv, tsim nyog coj tom ntej no yog ib feem ntawm lub lim coke cub gas:
tivthaiv | H2 | CH4 | CO | N2 | CH | O2 |
Cov ntsiab lus,% | 55,5 | 27,6 | 8.2 | 6.0 | 2.0 | 0.7 |
Ceeb tshaj, nyob tus yeees ntawm cov roj nyob rau hauv kev saib xyuas yog nruj me ntsis nyob rau hauv dependence rau qhov kub thiab txias coking txheej txheem thiab nws ntev. Tsis tas li ntawd tseem ceeb luag hauj lwm zoo thee tej zaum yuav recyclable. Yog li, ntau dua qhov lub coking kub tswj cov txheej txheem, ntau dua qhov lub theem ntawm decomposition ntawm hydrocarbons, thiab yog li ntawd ntau dua qhov lub ntsiab lus ntawm hydrogen gas thiab cov pa roj carbon monoxide. Raws li, cov ntsiab lus ntawm cov pa roj carbon dioxide, on qhov tsis tooj, yuav tsum tsawg dua.
Qhov yuav tsum tau tu lub coke cub gas
Rau hnub tim, kuj yog ib qho mob teeb meem ntawm qhov yuav tsum tau mus ntxuav coke cub gas, raws li ib feem ntawm cov kev phiv ntxim rau cov ecological nam ntawm lub neej. Yog li, lub neej niaj hnub zov los txhim kho cov technology. необходима для эффективности деятельности заводских механизмов, потому что цианид водорода, содержание которого в коксовом газе достаточно велико, служит основной причиной коррозии профессионального оборудования. Purification ntawm coke cub gas uas yuav tsum tau rau cov hauj lwm zoo ntawm tsob nroj npaj, vim hais tias cov hydrogen cyanide, cov ntsiab lus ntawm uas nyob rau hauv lub coke cub gas yog txaus loj, ib tug loj ua ntawm xeb kev khoom. Tsis tas li ntawd, tus tsim ntawm coke cub gas compulsorily tso ammonia. Qhov no cov ntaub ntawv uas yog tsis tshua muaj cuam tshuam tsis tsuas pipelines, tab sis kuj nyob rau hauv lub cheeb tsam, vim hais tias nws thiaj li nws tau txais muaj. Cov tshwm sim ntawm kev ua hauj lwm yog suav tias yog ib theem siab ntawm tsis tau kev tshuaj by-khoom rau ib tug muab tsob nroj, thiab kuj yog ib tug loj degree ntawm emission ntawm pov tseg gases thiab kua keeb kwm mus rau lub ntuj kaaj quas lug.
Coke cub gas tu txheej txheem
влечет за собой ряд проблем, что в полной мере аргументирует необходимость его очистки. Raws li nws muab tawm, zus tau tej cov coke cub gas entails ib tug xov tooj ntawm cov teeb meem hais tias tag nrho txoj kev xav rau qhov yuav tsum tau rau nws tu. Rau hnub tim, qhov zoo tshaj txoj kev yog piav nyob rau hauv tshooj no invention, uas yog dav siv nyob rau hauv lub coking kev lag luam. Thawj kauj ruam yog los ntxuav cov roj nrog ammonium phosphate daws nyob rau hauv lub absorber, uas yuav tsum tau muab nruab nrog daim hlau. Ntxiv mus, coke cub gas yuav tsum tau ua ua ntej nws nkag mus rau hauv Dished cheeb tsam ntawm lub absorber, nrog cov tshuaj no. Nyob rau hauv no circulating tshuaj tej kev noj yuav tsum 1.0-1.2 L / m3 roj, ces nws ceev yuav npaum li cas los 1,195-1,210 kg / l. Qhov no coke cub gas purification txoj kev raws li hais saum toj no, yog feem ntau siv niaj hnub no nyob rau hauv lub tshav pob ntawm kev lag luam, rau qhov zoo tshaj plaws.
Coke cub gas: daim ntawv thov
Rau hnub tim, coke cub gas yog ib tug heev lug thiab xyuam xim siv nyob rau hauv lub zej zog raws li ib tug roj nyob rau hauv lub hlau mills orientation, raws li zoo raws li communal economic kev ua si thiab raws li ib tug raw khoom rau ntau lawm. Raws li nws muab tawm, cov roj los ntawm lub coke zoo tu qab tso hydrogen uas yog tsuas tsim nyog rau cov synthesis ntawm ammonia los ntawm ib tug lub npe hu txoj hws lag luam nyob rau hauv lub zwj ceeb ntawm cov uas tsis muaj kub. Raws li ib tug tshwm sim ntawm lub lag luam no ntaub ntawv feem pab zoo raw cov ntaub ntawv rau syntheses ntawm ntau hom. применяется как топливо, и когда он служит сырьем для производства химической продукции). Nws yuav tsum tau muab sau tseg tias ib tug impurity nyob rau hauv lub hydrogen sulfide yog undesirable coke cub gas kiag li nyob rau hauv txhua rooj plaub (thaum lub coke thiab roj yog siv raws li roj thiab thaum twg nws yog tus raw khoom rau zus tau tej cov tshuaj cov khoom). Uas yog vim li cas nws xav tau ib tug tu txheej txheem yog siab sib tham nyob rau hauv lub dhau los tshooj.
gas zog
. Thaum kawg, tsim nyog yuav tau xav txog lub cev thaj chaw ntawm lub coke cub gas. Yog li, nws calorific muaj peev xwm yog hom twg los ntawm 3600 mus 3700 Kcal / m3, kev faib ua feem ntawm tshuaj nyob rau hauv muaj pes tsawg leeg yog hom twg los ntawm 0,45 mus 0,46 kg / m3 (uas yog yuav luag peb lub sij hawm sib zog dua cov pa), lub siab tshaj plaws kub ntawm nws cov combustion hom equates degrees los ntawm 2060, thiab cov txheej txheem yog nrog los ntawm ib tug liab nplaim taws.
Nws yog ib qho tseem ceeb yuav tau nco ntsoov hais tias cov kev kawm roj yog heev thaum ua ke nrog cov huab cua. Ntxiv mus, lub qis heev txwv theem yog 6 ntim feem pua ntawm cov roj (tus so - huab cua), thiab lub Upper theem ntawm tawg nce mus txog 32 feem pua ntawm cov roj (tus so - huab cua). Kub ignition hom yog sib npaug zos rau 550 degrees, thiab rau combustion ntawm 1 cubic meter ntawm cov roj yuav tsum tau hais txog 5 cubic Meter ntawm huab cua. Coke cub gas yog tsis muab tej txiaj ntsim nrog rau xim thiab tsw, tab sis nws muaj ib tug pungent tsis hnov tsw ntawm mothballs, lwj qe, uas yuav tsum tau ntaus nqi mus rau lub ntsiab lus nyob rau hauv nws muaj pes tsawg leeg ntawm hydrogen sulfide.
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