Hauv kev tsim cov khoom noj sib xyaw ua ke hauv kev lag luam, lub tshuab zom pellet yog cov khoom siv tseem ceeb uas txiav txim siab qhov zoo ntawm kev tsim cov pellet. Cov duab kawg, qhov ceev, thiab kev ruaj khov ntawm cov khoom noj pelleted nyob ntawm qhov xwm txheej ua haujlwm ntawm lub tshuab zom pellet. Txawm li cas los xij, thaum lub sijhawm tsim khoom tiag tiag, ib txheej khoom tuab, tawv feem ntau tsim ntawm lub nplhaib tuag thiab lub menyuam, tiv thaiv lub menyuam kom tsis txhob nias cov khoom rau hauv cov qhov tuag, ua rau lub nplhaib tuag ntes lossis lub menyuam plam - qhov xwm txheej feem ntau hu ua "blockage" lossis "plugging." Vim li cas qhov teeb meem no tshwm sim, thiab yuav tsum ua li cas los daws nws?
Kev Kho Kom Tsis Zoo ntawm Qhov Sib Txawv Ntawm Lub Nplhaib Tuag thiab Cov Menyuam
Qhov sib txawv ntawm lub pwm thiab lub menyuam yog qhov hloov kho tau ncaj qha tshaj plaws uas cuam tshuam rau kev ua haujlwm ntawm cov khoom ua pellet thiab kev ruaj khov. Thaum qhov sib txawv loj dhau, qhov tuab ntawm cov txheej khoom ntawm lub nplhaib pwm thiab lub menyuam yuav nce ntxiv, thiab nws qhov sib xws yuav txo qis, ua rau lub zog tsis sib xws ntawm lub menyuam thiab ua rau nws yooj yim plam. Thaum lub zog compressive uas lub menyuam siv rau ntawm cov khoom qis dua qhov kev sib txhuam ntawm phab ntsa sab hauv ntawm lub qhov pwm tawm tsam cov khoom, cov khoom tsis tuaj yeem raug extruded los ntawm cov qhov pwm, ua rau muaj kev thaiv sai.
Cov Pa Pa Tsis Zoo thiab Cov Kev Cuam Tshuam ntawm Kev Kho Mob
Cov xwm txheej zoo tshaj plaws ntawm kev ua Pelleting:
- Cov ntsiab lus ntawm cov khoom siv raw:12%–15%
- Siv covcov pa dej qhuav
- Lub sijhawm kho: tsis pub tsawg dua30–45 vib nas this
Cov pa roj qhuav uas tsim nyog ua haujlwm ntau yam: ua kom cov khoom mos, txo qhov kub sib txhuam, ua kom lub nplhaib tuag ntev dua, txhawb kom cov hmoov txhuv nplej gelatinization, thiab txhim kho kev sib txuas ntawm cov fiber.
Thaum cov pa dej tsis zoo, qhov kev pheej hmoo ntawm kev txhaws yuav nce ntxiv: Qhov tsis txaus ntawm cov pa dej lossis cov dej noo ntau tuaj yeem ua rau cov khoom siv kho kom noo ntau dua 18%, ua rau nws ntub thiab mos dhau, ua rau cov coefficient sib txhuam hauv cov qhov tuag nce ntxiv, thiab ua rau cov menyuam swb. Kev hloov pauv ntawm cov pa dej ua rau muaj kev cuam tshuam tsis ruaj khov, ua rau muaj kev hloov pauv sai ntawm lub cev muaj zog ntawm lub tshuab pellet, uas tuaj yeem ua rau muaj kev txhaws tam sim ntawd.
Cov Lus Qhia Rau Tus Neeg Siv Khoom - Kev Ntsuas Siab Ntawm Cov Pa Thiab Cov Khoom Siv
Saib xyuas lub zog ntawm cov pa dej hauv lub sijhawm tiag tiag (Pom zoo kom siv 0.2–0.4 MPa). Ib qho kev kuaj xyuas yooj yim: siv ib txhais tes ntawm cov khoom siv uas tau kho kom zoo - thaum nias, nws yuav tsum ua lub pob; thaum tso tawm, nws yuav tsum poob sib nrug. Nws yuav tsum sov (70–85°C) tsis muaj cov dej tsis huv los yog cov nplaum uas pom tseeb.
Cov Khoom Siv Kho Mob thiab Cov Txheej Txheem Tsis Zoo
Kev kho kom zoo yog cov txheej txheem uas cov hmoov thiab cov pa dej sib xyaw ua ke, nqus dej, ua kom kub dua, thiab ua kom gelatinize hauv cov tshuaj kho kom zoo. Cov nyhuv kho kom zoo ncaj qha txiav txim siab qhov tso zis ntawm lub tshuab pellet thiab qhov zoo ntawm cov pellet, thiab tseem ceeb heev rau kev ruaj khov ntawm cov dej ntawm cov khoom noj tshwj xeeb hauv dej. Yog tias tus qauv tsim tshuaj kho tsis zoo, cov paddles hnav, lossis lub sijhawm kho tsis txaus, cov khoom yuav siav tsis sib npaug, nrog rau qee cov khoom tseem nyob hauv qhov xwm txheej nyoos, ua rau nws yooj yim heev los thaiv cov qhov tuag thaum nkag mus rau hauv chav ua pellet.
Tam sim no, cov kev teeb tsa siab heev siv kev sib xyaw ua ke ntawm"tshuaj pleev kom txias + lub thawv khaws cia + tshuaj pleev kom txias,"muab lub sijhawm tag nrho ntawm2–4 feeb, uas ua rau kev kho mob zoo dua qub thiab txo cov kev thaiv.
Kev Hnav thiab Kev Tsis Sib Xws ntawm Lub Nplhaib Tuag thiab Cov Menyuam
Qhov tsis du ntawm cov qhov ntawm lub nplhaib tuag, qhov hnav ntawm lub qhov nqus, qhov tawv ntawm phab ntsa sab hauv, lossis qhov hnav zoo li kauj ruam yuav ua rau muaj kev tiv thaiv kev tawm mus ntau ntxiv. Thaum cov kab sib txuas ntawm cov menyuam hnav mus rau qhov chaw tiaj tus, lub peev xwm tuav yuav ploj mus, thiab lub menyuam tsuas yog yuav tsis ua haujlwm ntawm qhov chaw ntawm cov khoom siv. Ntxiv mus, kev siv lub nplhaib tuag tshiab nrog cov menyuam qub, lossis qhov tsis sib xws ntawm qhov tawv ntawm lub nplhaib tuag thiab cov menyuam, yuav ua rau muaj kev plam thiab kev thaiv sai dua.
Kev Teeb tsa Parameter Ua Haujlwm Tsis Zoo
- Kev pub mov sai heev:Kev pub cov khoom ntau dhau hauv lub sijhawm luv luv, tshaj qhov peev xwm siab tshaj plaws ntawm lub tshuab pellet extrusion, ua rau cov khoom sib sau ua ke hauv lub nplhaib tuag chamber thiab sai sai ua rau txhaws.
- Tsis muaj kev saib xyuas tam sim no:Yog tias tsis teeb tsa lossis tsis quav ntsej lub tswb ceeb toom siab tshaj plaws rau qhov tam sim no ntawm lub cev muaj zog tseem ceeb, ua haujlwm ntev ntawm qhov txwv tam sim no siab, ua rau muaj kev tiv thaiv kev thauj khoom ntau dhau lossis ua rau muaj kev co.
Cov Txheej Txheem Tswj Xyuas Kev Thaiv
Thaum twg muaj kev thaiv lawm: nias lub pob kom nres thaum muaj xwm txheej ceev tam sim ntawd, tib lub sijhawm nres lub tshuab pub mis thiab lub tshuab ua kom txias, thiab kaw lub qhov cua ntawm lub tshuab ua pa. Txiav lub zog tseem ceeb thiab dai ib daim ntawv ceeb toom uas hais tias "Tab tom kho - Tsis txhob kaw lub pob."
Yuam Kev Tshem Tawm thiab Kev Tso Tawm Khoom
Yog tias cov khoom siv muaj lub luag haujlwm rov qab ntawm lub ncej tseem ceeb, siv jog rov qab los ua kom cov khoom xoob.
Cov Ntsiab Lus Tseem Ceeb Ua Haujlwm:
- Jog rov qab rau5–10 vib nas this, ces mus tom ntej ob peb feeb; rov ua dua ob peb zaug.
- Lub sijhawm nruab nrab ntawm txhua qhov kev dhia: tsawg kawg30 vib nas thiskom tiv thaiv lub cev muaj zog overheating.
- Ua ntej thim rov qab, xyuas kom tseeb tias tsis muaj tej yam txawv teb chaws (piv txwv li, tej daim hlau) nyob hauv lub chamber pelleting.
- Lus Cim: qhov kev ua haujlwm rov qab yog rautsuas yog tso tawm thaum muaj xwm txheej ceev xwb.
Rau cov khoom siv uas tsis muaj kev ua haujlwm rov qab lossis qhov twg kev rov qab tsis ua haujlwm, qhib lub qhov rooj ntawm lub tshuab pellet, siv tus pas nrig tooj liab lossis tus pas ntoo tawv los khob cov qhov tuag uas raug thaiv los ntawm sab nraud mus rau hauv, thiab siv lub tshuab khawb tiaj tiaj los tshem cov khoom tawv ntawm qhov chaw ntawm lub roller.Tsis txhob siv rab rauj hlau ntaus lub nplhaib tuag ncaj qha, vim qhov no yuav ua rau muaj kev puas tsuaj uas tsis tuaj yeem kho tau.
Kev Ntxuav Kom Huv Si thiab Kev Tshem Tawm Qhov Tuag
Tshem tawm tag nrho cov khoom seem ntawm sab hauv thiab sab nraud ntawm lub nplhaib tuag, cov menyuam, scraper, feed cone, thiab lwm yam khoom. Rau cov qhov tuag uas raug txhaws hnyav, siv lub tshuab hluav taws xob (qeeb qeeb, teeb tsa torque siab) nrog lub tshuab laum tshwj xeeb uas phim lub qhov tuag txoj kab uas hla, maj mam khawb los ntawm sab nraud mus rau hauv.Tsis txhob siv cov laum ntse los yog cov haujlwm reaming, vim qhov no yuav ua rau phab ntsa sab hauv ntawm lub qhov tuag loj dua lossis puas tsuaj.
Tom qab ntxuav tas, siv lub teeb ci ntsa iab nias rau sab nraub qaum ntawm txhua lub qhov tuag kom xyuas seb txhua lub qhov puas nkag tau. Yog tias muaj kab nrib pleb, tsis sib npaug zoo, lossis ntau dua10% ntawm cov qhov tuag yog deformed lossis tawm ntawm qhov spec, lub nplhaib tuag yuav tsum tau hloov.
Kev Tshuaj Xyuas Cov Menyuam thiab Cov Bearing
Tig cov menyuam roj hmab tes kom paub tseeb tias puas muaj kev sib txuas ntawm cov kabmob, suab nrov tsis zoo, lossis ua si ntau dhau. Saib xyuas qhov xwm txheej ntawm cov menyuam roj hmab corrugations. Yog tias qhov siab ntawm cov hniav raug hnav thiab tsis muaj peev xwm tuav tau, hloov lub menyuam roj hmab. Thaum hloov cov menyuam roj hmab, nws raug nquahu kom xyuas qhov xwm txheej sib phim ntawm lub nplhaib tuag.
Kev Ntsuas Tsis Muaj Load thiab Kev Tawg-Hauv
Kaw lub qhov rooj, pib lub qhov tseem ceeb yam tsis muaj khoom siv, thiab khiav tsis ua haujlwm rau1–2 feebkom paub tseeb tias tsis muaj suab nrov txawv txav thiab tam sim no ruaj khov. Tom qab ntawd ntxiv me ntsis ntawm cov khoom siv hauv paus uas muaj li ntawm2% roglos yog cov khoom ntub kom "pub" thiab tawg hauv lub pwm. Saib seb qhov tam sim no maj mam nce thiab ruaj khov, tom qab ntawd maj mam nce qhov nrawm pub rau qib tsim khoom ib txwm.
Thaum 10 feeb thawj zaug tom qab rov pib ua haujlwm, ua tib zoo saib xyuas;tom qab paub tseeb tias tsis muaj qhov txawv txav, rov qab mus ua haujlwm li qub.
Xaus lus
Qhov kev thaiv ntawm lub tshuab pellet yog ib qho kev cuam tshuam dav dav ntawm kev tswj hwm kev tsim khoom, kev saib xyuas cov khoom siv, thiab kev ua haujlwm. Cov hauv paus ua rau muaj peev xwm sau tau ntau yam hauv ntau qhov chaw: qhov sib txawv ntawm cov menyuam tuag, qhov zoo ntawm cov pa dej, qhov cuam tshuam ntawm kev ua kom txias, cov yam ntxwv ntawm cov khoom siv, thiab kev tswj hwm kev hnav.
Los ntawm kev siv cov qauv kev hloov kho qhov sib txawv, kev ua kom zoo dua ntawm cov kav dej, kev txhim kho cov txheej txheem kho kom zoo, thiab kev tswj hwm lub neej tag nrho ntawm cov nplhaib tuag thiab cov menyuam, qhov zaus ntawm kev thaiv tuaj yeem txo qis los ntawmntau tshaj 80%.
Yog tias muaj kev thaiv, ua raws li cov txheej txheem kho thaum muaj xwm txheej ceev uas muaj kev nyab xeeb, raws li txoj cai, thiab ua tau zoo yuav txo qhov kev poob ntawm lub sijhawm tsis ua haujlwm. Lub hom phiaj kawg yog kom ua tiav kev ua haujlwm ntev thiab ruaj khov ntawm cov txheej txheem pelleting thiab txo qhov tshwm sim ntawm kev thaiv.
Lub sijhawm tshaj tawm: Tsib Hlis-21-2026
