Lub tshuab pellet yog ib lub cuab yeej rau kev nias roj biomass pellet thiab pellet pub, ntawm cov uas lub roller siab yog nws lub ntsiab tivthaiv thiab qhov tsis muaj zog. Vim nws cov haujlwm hnyav thiab cov xwm txheej ua haujlwm hnyav, txawm tias muaj cov khoom zoo, kev hnav thiab tsim kua muag yog qhov tsis zam. Hauv cov txheej txheem ntau lawm, kev siv cov roller siab yog siab, yog li cov khoom siv thiab cov txheej txheem tsim khoom ntawm cov roller siab yog qhov tseem ceeb heev.
Kev tshuaj xyuas qhov tsis ua haujlwm ntawm lub tshuab nias ntawm lub tshuab ua khoom me me
Cov txheej txheem tsim khoom ntawm lub log siab muaj xws li: txiav, forging, normalizing (annealing), machining ntxhib, quenching thiab tempering, semi precision machining, surface quenching, thiab precision machining. Ib pab neeg tshaj lij tau ua kev tshawb fawb txog kev hnav ntawm cov roj biomass pellet rau kev tsim khoom thiab kev ua tiav, muab lub hauv paus theoretical rau kev xaiv cov ntaub ntawv roller thiab cov txheej txheem kho cua sov. Cov hauv qab no yog cov lus xaus thiab cov lus pom zoo ntawm kev tshawb fawb:
Muaj tej qhov me me thiab khawb tshwm sim rau ntawm qhov chaw ntawm lub tshuab nias ntawm lub tshuab granulator. Vim yog qhov hnav ntawm cov khoom tsis huv xws li xuab zeb thiab hlau ntawm lub tshuab nias, nws yog qhov hnav tsis zoo. Qhov hnav ntawm qhov chaw nruab nrab yog li 3 hli, thiab qhov hnav ntawm ob sab yog txawv. Sab pub muaj qhov hnav hnyav, nrog rau qhov hnav ntawm 4.2 hli. Feem ntau vim yog qhov tseeb tias tom qab pub, lub homogenizer tsis muaj sijhawm los faib cov khoom sib npaug thiab nkag mus rau hauv cov txheej txheem extrusion.
Kev tshuaj xyuas qhov tsis ua haujlwm ntawm lub tshuab microscopic qhia tau hais tias vim yog qhov hnav axial ntawm qhov chaw ntawm lub tshuab siab uas tshwm sim los ntawm cov khoom siv raw, qhov tsis muaj cov khoom siv nto ntawm lub tshuab siab yog qhov ua rau tsis ua haujlwm tseem ceeb. Cov qauv tseem ceeb ntawm kev hnav yog kev hnav nplaum thiab kev hnav abrasive, nrog rau cov qauv xws li cov qhov tawv, cov kab nrib pleb, cov kab nrib pleb, thiab lwm yam, qhia tias cov silicates, cov xuab zeb me me, cov ntaub ntawv hlau, thiab lwm yam hauv cov khoom siv raw muaj kev hnav hnyav ntawm qhov chaw ntawm lub tshuab siab. Vim yog qhov ua haujlwm ntawm cov pa dej thiab lwm yam, cov qauv zoo li av nkos tshwm sim ntawm qhov chaw ntawm lub tshuab siab, ua rau muaj kev ntxhov siab corrosion tawg ntawm qhov chaw ntawm lub tshuab siab.
Nws raug pom zoo kom ntxiv cov txheej txheem tshem tawm cov khoom tsis huv ua ntej tsoo cov khoom siv raw kom tshem tawm cov xuab zeb me me, cov hlau filings, thiab lwm yam khoom tsis huv uas sib xyaw nrog cov khoom siv raw, txhawm rau tiv thaiv kev hnav thiab rhuav tshem tsis zoo ntawm cov menyuam siab. Hloov cov duab lossis qhov chaw teeb tsa ntawm lub scraper kom faib cov khoom sib npaug hauv chav compression, tiv thaiv kev siv zog tsis sib xws ntawm cov menyuam siab thiab ua rau hnav ntau ntxiv rau ntawm qhov chaw ntawm cov menyuam siab. Vim tias cov menyuam siab feem ntau tsis ua haujlwm vim kev hnav ntawm qhov chaw, txhawm rau txhim kho nws qhov nyuaj ntawm qhov chaw, kev tiv thaiv kev hnav, thiab kev tiv thaiv corrosion, cov ntaub ntawv tiv thaiv kev hnav thiab cov txheej txheem kho cua sov tsim nyog yuav tsum tau xaiv.
Cov khoom siv thiab cov txheej txheem kho cov menyuam siab
Cov khoom siv thiab cov txheej txheem ntawm lub log siab yog qhov yuav tsum tau ua ua ntej rau kev txiav txim siab nws txoj kev hnav tsis kam. Cov khoom siv log feem ntau siv suav nrog C50, 20CrMnTi, thiab GCr15. Cov txheej txheem tsim khoom siv CNC tshuab cov cuab yeej, thiab qhov chaw ntawm lub log tuaj yeem hloov kho nrog cov hniav ncaj, cov hniav oblique, hom drilling, thiab lwm yam raws li qhov xav tau. Carburization quenching lossis high-frequency quenching heat treatment siv los txo cov menyuam deformation. Tom qab kev kho cua sov, precision machining yog nqa tawm dua kom ntseeg tau tias qhov sib npaug ntawm sab hauv thiab sab nraud voj voog, uas tuaj yeem ua rau lub neej kev pabcuam ntawm lub log ntev dua.
Qhov tseem ceeb ntawm kev kho cua sov rau cov menyuam siab
Kev ua tau zoo ntawm cov menyuam siab yuav tsum ua tau raws li qhov yuav tsum tau ua ntawm lub zog siab, qhov nyuaj siab (kev hnav tsis kam), thiab qhov tawv siab, nrog rau kev siv tshuab zoo (suav nrog kev txhuam zoo) thiab kev tiv thaiv corrosion. Kev kho cua sov ntawm cov menyuam siab yog ib qho txheej txheem tseem ceeb uas tsom mus rau kev tso tawm lub peev xwm ntawm cov ntaub ntawv thiab txhim kho lawv cov kev ua tau zoo. Nws muaj kev cuam tshuam ncaj qha rau kev tsim khoom raug, lub zog, lub neej ua haujlwm, thiab cov nqi tsim khoom.
Rau cov khoom siv tib yam, cov ntaub ntawv uas tau dhau los ntawm kev kho cua sov dhau lawm muaj zog dua, tawv dua, thiab ruaj khov dua piv rau cov ntaub ntawv uas tsis tau dhau los ntawm kev kho cua sov dhau lawm. Yog tias tsis tau quenched, lub neej ua haujlwm ntawm lub log siab yuav luv dua.
Yog tias koj xav paub qhov txawv ntawm cov khoom siv kho cua sov thiab cov khoom siv kho cua sov uas tau ua tiav kev ua haujlwm raug, nws tsis yooj yim sua kom paub qhov txawv ntawm lawv tsuas yog los ntawm qhov nyuaj thiab xim oxidation kho cua sov. Yog tias koj tsis xav txiav thiab sim, koj tuaj yeem sim paub qhov txawv ntawm lawv los ntawm kev tapping suab. Cov qauv metallographic thiab kev sib txhuam sab hauv ntawm cov castings thiab quenched thiab tempered workpieces txawv, thiab tuaj yeem paub qhov txawv los ntawm kev tapping maj mam.
Qhov nyuaj ntawm kev kho cua sov yog txiav txim siab los ntawm ntau yam, suav nrog qib khoom siv, qhov loj me, qhov hnyav ntawm qhov workpiece, cov duab thiab cov qauv, thiab cov txheej txheem ua tom qab. Piv txwv li, thaum siv cov hlau caij nplooj ntoos hlav los ua cov khoom loj, vim yog qhov tuab ntawm qhov workpiece, phau ntawv qhia hais tias qhov nyuaj ntawm kev kho cua sov tuaj yeem ncav cuag 58-60HRC, uas tsis tuaj yeem ua tiav ua ke nrog cov workpieces tiag tiag. Tsis tas li ntawd, cov cim qhia txog qhov nyuaj tsis tsim nyog, xws li qhov nyuaj siab dhau, tuaj yeem ua rau poob qhov tawv ntawm qhov workpiece thiab ua rau tawg thaum siv.
Kev kho cua sov tsis yog tsuas yog yuav tsum ua kom muaj qhov nyuaj xwb, tab sis kuj yuav tsum tau ua tib zoo saib xyuas nws cov txheej txheem xaiv thiab kev tswj cov txheej txheem. Kev quenching thiab tempering uas kub dhau tuaj yeem ua tiav qhov nyuaj uas xav tau; Ib yam li ntawd, thaum lub sijhawm quenching, kev kho qhov kub thiab txias kuj tseem tuaj yeem ua tau raws li qhov nyuaj uas xav tau.
Lub Baoke pressure roller yog ua los ntawm cov hlau zoo C50, ua kom ntseeg tau tias qhov nyuaj thiab hnav tsis kam ntawm lub tshuab particle pressure roller los ntawm qhov chaw. Ua ke nrog cov thev naus laus zis kho cua sov kub zoo heev, nws ua rau nws lub neej ua haujlwm ntev dua.
Lub sijhawm tshaj tawm: Lub Rau Hli-17-2024