Raw Material Pretreatment Ceev faj rau Wood Pellet Tshuab Ua

Dec 25, 2025

Ntoo nti pellet tshuab ceev faj

Ua ntej thiab qhov tseem ceeb tshaj plaws, ua tib zoo saib xyuas qhov ua ntej ntawm damp granules, vim qhov no yog thaj chaw uas ntau tus neeg siv ua yuam kev. Yog tias koj ntsib me ntsis damp granules (me ntsis nplaum rau qhov kov, tsis hnyav clumped), tsis txhob pub lawv ncaj qha rau hauv cov khoom siv. Ua ntej, kis lawv tawm hauv qhov chaw cua kom qhuav rau 1-2 teev, tig lawv 1-2 zaug thaum lub sijhawm no kom cia cov av noo kom evaporate. Tom qab ntawd, siv lub sieve kom tshem tawm cov granules hnyav clumped thiab powdery. Me ntsis clumped granules yuav maj mam crushed ntawm tes ua ntej sieving, xyuas kom meej tias tag nrho cov granules nkag mus rau hauv cov khoom yog xoob. Yog hais tias cov granules hnyav heev (softened, powdery, hnyav clumped), lawv yuav tsum tau qhuav kom huv si ua ntej thiab kiag li tsis tuaj yeem ua tiav ncaj qha, txwv tsis pub nws yuav ua rau cov khoom siv hnyav thiab ua rau hnyav hnyav thiab cov pwm. Tom qab pretreatment, kos los ntawm kov; lawv yuav tsum xav tias qhuav thiab xoob los txiav txim siab 合格 (tsim nyog).

Thib ob, kev tswj xyuas meej ntawm cov khoom siv raw cov dej noo yog qhov tseem ceeb rau kev ua kom zoo molding. Txawm hais tias cov khoom siv raw yog qhuav los yog ntub dej tom qab pretreatment, cov ntsiab lus noo noo yuav tsum tau tswj ntawm 12% thiab 15%. Cov ntsiab lus noo noo ntau dhau yuav ua rau cov khoom siv raw tuaj yeem ua ke hauv lub tshuab nias, ua rau cov khoom thauj khoom ntawm Lub Tshuab Wood Pellet thiab ua rau cov pellets tuaj yeem tawg. Cov dej noo tsis txaus ua rau tsis txaus viscosity, yuav tsum tau muaj zog ntau dua thiab ua kom lub cev hnyav dua. Dhau li ntawm kev siv cov cuab yeej tshaj lij, cov dej noo kuj tuaj yeem txiav txim siab los ntawm tes: rub ib txhais tes ntawm cov khoom siv raw, nyem nws kom nruj, thiab yog tias nws ib txwm tawg tom qab tso tawm, tawm hauv cov dej tsis pom tseeb ntawm koj txhais tes, nws tau txais. Yog hais tias nws clumps thiab tsis disperse, cov ntsiab lus ntawm noo noo yog siab dhau lawm thiab xav tau kom qhuav. Yog hais tias nws crumbles yooj yim thiab ua rau cov plua plav ntau, cov dej noo tsawg dhau lawm thiab yuav tsum tau txau dej kom tsim nyog.

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Kev tshem tawm impurity thiab particle loj soj ntsuam ntawm cov khoom raw kuj tseem ceeb heev. Ntoo chips feem ntau muaj cov impurities nyuaj xws li cov ntsia hlau, pob zeb, thiab xuab zeb. Cov impurities no tuaj yeem ncaj qha mus khawb cov nias thiab tawg cov pwm ntawm lub tshuab Biomass Pellet me me. Txoj kev tshem tawm dual impurity ntawm "kev vibrating npo thawj kev tshuaj ntsuam + sib nqus sib nqus cais kev tshuaj ntsuam xyuas zoo" yog qhov tsim nyog los xyuas kom meej cov khoom raw yog huv si thiab tsis muaj impurities. Hais txog qhov loj me, cov khoom siv raw yuav tsum tau tswj kom 2-5 hli tom qab crushing. Cov khoom loj dhau tuaj yeem yooj yim txhaws cov kab noj hniav tuag, thaum cov khoom me me ua rau lub zog siv zog thiab cuam tshuam cov particle hardness. Ib qho kev muab qhab nia tuaj yeem siv los tshuaj xyuas cov khoom siv raw khoom kom ntseeg tau tias cov khoom me me. Piv txwv li, thaum ua cov chips hardwood, qhov thib ob crushing yog tsim nyog kom tsis txhob muaj ntau tshaj particle loj txwv thiab ua rau cov txheej txheem nyuaj.

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Thaum kawg, ib qho kev ceeb toom: tsis txhob sib tov cov khoom sib txawv indiscriminately. Softwood chips (pine, fir) thiab hardwood chips (oak, birch) muaj ntau yam sib txawv. Thaum sib tov lawv, qhov sib piv yuav tsum tau tswj hwm (softwood yuav tsum tsis pub tsawg tshaj 60%), thiab cov cuab yeej siv yuav tsum tau kho kom haum. Tsis txhob sib xyaw cov khoom siv corrosive nrog cov ntoo zoo tib yam los tiv thaiv corrosion ntawm cov khoom siv. Ua ntej-kho cov khoom siv raw yuav tsum tau ua tiav sai kom tsis txhob rov- nqus dej thiab cuam tshuam rau kev tsim khoom tom ntej.