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Cov khoom

Pellet cub Tsis muaj hluav taws xob

Pyrolysis nyob rau hauv particle heaters Pyrolysis, raws li peb feem ntau hnov hnub no, yog ib tug tshwj xeeb thermochemical txheej txheem uas tshwm sim nyob rau hauv tsis muaj oxidants (oxygen nyob rau hauv peb rooj plaub); Nyob rau hauv cov txheej txheem no, tam sim no cov khoom siv organic undergoes thermochemical decomposition. Lub pyrolysis ntawm ntoo yog qhib los ntawm kev muab cov cua sov rau cov khoom tawg, yog li muab lub zog tsim nyog los rhuav tshem qee cov tshuaj lom neeg hauv cov molecules nyuaj, hauv peb cov ntaub ntawv ntoo, tab sis qhov no muaj tseeb rau tag nrho cov biomass, ua rau lawv cov molecules tsawg dua. .

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Nyob rau hauv cov txheej txheem no, tag nrho cov tsis muaj oxygen suppresses oxidation cov tshuaj tiv thaiv uas yuav ua rau oxidizing tebchaw, cov kauj ruam kawg nyob rau hauv ib txwm combustion cov tshuaj tiv thaiv saw. Nyob rau hauv lub xub ntiag ntawm oxygen, peb tsis muaj pyrolysis, ib txwm combustion.

Kev decomposition tuaj yeem txhais tau tias yog cov txheej txheem no, tab sis nws yuav yooj yim los piav qhia txog cov kev tshwm sim uas tshwm sim thaum lub sij hawm txoj kev pyrolysis nyuaj, uas yog qhov ua tau zoo txuas ntxiv ntawm kev sib txuas thiab decomposition.

Pyrolysis ntawm ntoo yeej ib txwm siv, piv txwv li cov pyre siv los tsim charcoal, qhov tseeb muaj qee feem pua ntawm cov pa oxygen muaj nyob rau hauv cov charcoal pits, tab sis qhov feem pua yog li tsawg uas ib txwm combustion tsis pub. Nyob rau lub sijhawm tsis ntev los no, pyrolysis tau siv rau hauv cov nroj tsuag pov tseg-rau-zog tsim nyog rau kev pov tseg pov tseg, thiab qhov zoo thiab qhov tsis zoo ntawm cov tshuaj no tsis tas yuav nyiam mloog, yam tsawg kawg tsis ntau npaum li lawv tsim nyog.

Pyrolysis nyob rau hauv cov nroj tsuag, txawm nyob rau hauv lub tsev qhov cub los yog ib tug pov tseg-rau-zog nroj tsuag, muaj tib lub tswv yim kev ua hauj lwm.

Raws li peb tau pom, cov txheej txheem no tshwm sim los ntawm cov tshuaj dissociation thiab recombination, thiab nrog rau txoj cai thermal tej yam kev mob peb muaj peev xwm zom ib tug complex molecule rau hauv ntau yam yooj yim.