Qhov tseeb ntawm cuam tshuam qhov ntev ntawm pellets hauv tshuab pelletizer pub tshuab

1 Qhov cuam tshuam ntawm cov tsis muaj ntawm cov granulator nws tus kheej

Piv txwv li qhov tawm ntawm lub granulator yog Q (kg / h), lub taub puab ntawm lub nplhaib tuag yog D (hli), qhov zoo ntawm lub nplhaib tuag yog W (hli), txoj kab ceev ntawm lub nplhaib tuag yog V ( m / s), thiab qhov nrawm ntawm lub nplhaib tuag yog n (R / min), lub qhov taub ntawm lub nplhaib tuag yog d (hli), qhov qhib ntawm lub nplhaib tuag yog ψ, tus lej ntawm kev qhib yog N ( tej daim), qhov ntev ntawm cov khoom tsim tawm thaum lawv tsis txiav yog L (hli), thiab qhov ntau ntawm particle yog ρ (kg / m3)

1.1 Qhov cuam tshuam ntawm cov zis granulator

Nws tuaj yeem pom los ntawm cov qauv hais tias qhov ntev particle L yog ncaj qha sib npaug rau cov khoom lag luam Q. Yog li no, txhawm rau kom tau raws li qhov tshwj xeeb pellet ntev yuav tsum tau hloov kho qhov tawm ntawm pellet zeb yog qhov kev xaiv tau zoo. Hauv qhov tseeb kev pub khoom noj, cov chaw tsim khoom lag luam ua tau zoo ib yam, thiab qee zaum txawm tias txi ntau ntau cov khoom lag luam kom tau raws pellet ntev yuav tsum tau ua. , Cov teeb meem no yuav hais tom qab hauv kev sib tham.

1.2 Cov cawv ntawm lub nplhaib tuag kab tawm ceev lossis tig nrawm

Nws tuaj yeem pom los ntawm cov qauv hais tias lub particle ntev L yog rov qab sib npaug rau lub nplhaib tuag linear tshaj tawm V lossis lub nplhaib tuag ceev n. Nyob rau hauv cov xwm txheej uas qhov pub nqi, uas yog, cov zis Q, tseem tsis tau hloov pauv, lub suab nrov dua lub nplhaib tuag nrawm dua, ceev nrawm tam sim ntawd rho tawm luv luv, ntev dua. Rau granulators ntawm ntau qhov sib txawv, qhov ceev ntawm lub nplhaib tuag txawv heev. Feem ntau, qhov nrawm ntawm cov granulators me me yog qhov siab, thiab qhov ceev ntawm cov granulators loj yog tsawg, tab sis txoj kab ceev ntawm lub nplhaib tuag tau tswj nyob hauv qhov tsim nyog, feem ntau 6 m / s ~ 9m / s kom tau raws li qhov xav tau ntawm granulation. Thaum cov kab tawm ntawm lub nplhaib tuag tau qis, qhov ua tau zoo ntawm cov pellets tsim tau siab, tab sis cov pellets tsim tau ntev dua li qhov xav tau. Tib lub sijhawm, dhau qhov kab ceev me me yuav cuam tshuam rau cov zis; thaum lub linear tshaj tawm ntawm lub nplhaib tuag qhov siab, nws yog qhov zoo rau cov zis. Txawm li cas los xij, cov pellets tsim tawm yuav luv dua qhov yuav tsum tau ua, thiab qhov zoo tshaj ntawm pellets yuav dhau los ua tsis zoo. Qhov no yuav tsum tau feed manufacturers xaiv lub nplhaib haum tuag kab ceev raws li cov pub ntau yam. Txoj kev tuaj yeem saws Hloov Hloov cov kev sib kis ntawm cov granulator kis tau tus mob kom ua tiav.

1.3 Cov cawv ntawm lub nplhaib tuag txoj kab uas hla thiab qhib tus nqi

Lub nplhaib tuag aperture d tsis cuam tshuam ncaj qha rau qhov ntev ntawm qhov ntev L. Nws thiab tus naj npawb ntawm qhib N ua ke muaj cov nyhuv ntawm qhov ntev L, uas yog, lub nplhaib loj ntawm lub suab tuag aperture piv ψ, vim tias aperture piv ψ yog sib npaug. rau lub xwm txheej ntawm lub nplhaib tuag aperture d Cov khoom ntawm cov xov tooj ntawm qhov qhib N. Qhov ntau dua qhov qhib ntawm lub nplhaib tuag, luv luv cov khoom tsim tawm, thiab rov ua dua. Qhov qhib tus nqi ntawm lub nplhaib tuag tau sib txawv thaum nws sib xws rau lub nplhaib sib txawv tuag kav. Piv txwv li, lub nplhaib tuag nrog txoj kab uas hla ntawm ф1.8mm muaj qhov qhib tus nqi ntawm kwv yees li 25%, thiab lub nplhaib tuag nrog lub taub of5mm muaj qhov qhib tus nqi. Txog 38%, feem ntau qhov loj pore loj, siab dua tus nqi qhib. Qhov tseeb ntau lawm, tshwj xeeb tshaj yog thaum ua cov pellets taub me me, xws li tsim tawm shrimp1.8mm cws pub, qee cov neeg siv yuav yws tias cov pellets uas ua tawm ntev dhau lawm, vim hais tias lub nplhaib sib txuas qhib tuag tsawg thaum lub taub yog me me ntawm ib qho kev daws teeb meem yog txi ib feem ntawm cov khoom tawm, lossis txhawm rau nce linear ceev ntawm lub nplhaib tuag sib tham hauv ntu lus dhau los. Lwm txoj kev yog los kho cov ntawv txiav, thiab lwm yam Kev sib tham hauv cov ntsiab lus hauv qab no.

1.4 Cov cawv ntawm lub puab diam ntawm lub nplhaib tuag, qhov ua tau zoo ntawm lub nplhaib tuag thiab lub particle ntom

Rau lub granulator, txoj kab uas hla D ntawm lub nplhaib tuag thiab qhov ua tau zoo W ntawm lub nplhaib tuag kuj yog qhov tsis hloov, uas feem ntau tsis hloov, thiab nws tsis yooj yim rau cov neeg siv hloov lawv, yog li lawv cov cawv tsis tham txog ntawm no Cov. Qhov ntom ntawm cov ntoo pellets muaj feem xyuam rau cov ntaub ntawv nyoos rau pelleting, thiab tseem muaj feem xyuam nrog qhov compression piv ntawm lub nplhaib tuag. Qhov loj dua qhov compression piv, qhov muaj zog pellets tsim thiab qhov ntau dua ntom ntom. Tab sis rau cov khoom lag luam dav dav, qhov ceev ntawm cov pellets tsis txawv ntau. Yog li no, cov particle ntom tsis muaj qhov cuam tshuam loj parameter, yog li kuv yuav tsis tham txog nws ntau dhau ntawm no. Hauv ntej, rau tib cov ntaub ntawv granulation, qhov ntau dua qhov ntom nti ntawm cov khoom tsim tawm, qhov luv luv ntawm qhov ntev ntawm cov khoom.

2. Ua haujlwm ntawm cutter

2.1 Cov cawv ntawm cov naj npawb ntawm cov txiav

Tus naj npawb ntawm cov tshuab txiav yog feem ntau txiav txim siab los ntawm cov xov tooj ntawm cov zom zaws ntawm lub granulator. Feem ntau, granulator muaj 2 ~ 3 nias rollers. Txhua cov xovxwm nias yog nruab nrog lub tshuab txiav. Yog tias siv txhua lub tshuab txiav, lub nplhaib Txhua zaus tus neeg tuag tuag ib puag ncig, qee qhov nqi ntawm cov khoom siv nkag mus ntxiv thiab tom qab ntawd txiav los ntawm cov ntawv txiav 2 lossis 3 zaug raws li. Yog li no, yog tias cov zis nyob tas mus li, cov granulator nrog peb lub tshuab txiav zoo dua lub granulator nrog ob lub tshuab txiav. Cov granules ua los ntawm cov tshuab yog luv dua, uas txhais tau hais tias qhov peb-yob granulator yog qhov muaj txiaj ntsig ntau dua los tswj qhov ntev ntawm cov granule ntau dua li ob-yob granulator. Qhov no kuj muaj tseeb nyob rau hauv kev siv tiag tiag, xws li thaum tsim cov khoom siv dej me me. Vim tias qhov luv yuav tsum tau ua ntev, ib qho peb-roller cov granulator feem ntau yog siv thiab peb lub tshuab txiav yog siv rau kev txiav.

2.2 Kev hloov ntawm cutter qauv thiab kho kom haum

Cov tshuab txiav tau muab faib ua cov hniav tawv thiab cov hniav nyias. Hniav tawv muaj qhov zoo hnav tsis kam thiab muaj qhov tsis zoo, thiab haum rau kev siv tsiaj loj thiab cov tsiaj muaj tis; cov hlwv nyias nyias muaj zoo toughness thiab tsis zoo hnav tsis kam, thiab tsim nyog rau cov khoom siv hauv dej nrog cov taub loj. Thaum kho tau, cov hniav nyuaj feem ntau yuav tsum kho raws li ntawd kom cov hniav li ntawm 5 hli deb ntawm sab nraud ntawm lub nplhaib sab nraud tuag. Yog hais tias qhov kev ncua deb heev, lub hmoov yuav nce ntxiv, thiab hniav yuav raug puas ntsoog. Yog tias nws loj dhau, ntev ntawm cov lus yuav tsis sib thooj, thiab cov lus ntev yuav tshwm sim. Raws li qhov kev ncua deb nce, lub khoov ntawm lub riam txiav ntawm cov lus loj zuj zus tuaj, thiab cov khoom tawg kuj tuaj yeem ua rau ntawm lub nplhaib tuag. Vim tias nws qhov kev ywj pheej, cov hniav nyias nyias tuaj yeem kho mus rau qhov chaw ze rau lub ntsej muag sab nraud ntawm lub nplhaib tuag, kom cov txiav kom zoo nkauj zoo ib yam thiab zoo ib yam, uas yog tshwj xeeb tshaj yog tsim rau cov khoom siv hauv dej-me dej xws li ntses pellets. Hauv qhov tseeb ntau lawm, kev hloov kho ntawm lub cutter yog hloov tau yooj yim heev, thiab ib qho, ob lossis peb lub tshuab txiav tuaj yeem siv rau kev txiav raws li qhov xav tau. Lwm qhov xwm txheej yog tias nyob rau hauv kev tshawb xav, thaum ob los yog peb lub tshuab txiav tau siv tib lub sijhawm, kev txiav yuav tsum tau kho rau txoj haujlwm sib npaug nrog qhov kev ncua deb ntawm sab nraud ntawm lub nplhaib tuag, kom cov txiav kom zoo ib yam, tab sis qhov xwm txheej tseeb tsis yog Nyob ntawm txoj kev no, vim tias lub pellet zeb yuav muaj qhov tsis xws luag thaum faib khoom noj, tus nqi ntawm cov khoom noj rau txhua tus menyuam siab tsis tuaj yeem tuaj yeem lav ua kom zoo ib yam, kom qhov ntev ntawm pellets extruded hauv txhua qhov chaw tawm tsam yog qhov sib txawv, Qee qhov nthuav tawm hauv qhov txheej txheem extrusion tau ntev dua, thiab qee qhov extruded hauv cheeb tsam extrusion tau luv dua, tab sis lawv yog qhov qub nyob hauv thaj tsam extrusion. Hauv qhov no, txhua tus txiav tawm yuav tsum tau kho qhov chaw sib cais, kom lub tshuab txaws ntawm nias xovxwm nrog tsawg pub faib tawm ze ze rau lub ntsej muag ntawm lub nplhaib tuag, thiab cov cutter ntawm xovxwm yob nrog ntau pub faib kom deb dua. nplaim ntiv nplhaib tuag. Qhov ntev ntawm cov khoom tsim muaj nyob rau saum toj yog tib yam.

3. Cawv ntawm lub nplhaib tuag qhov qauv

Muaj ob lub plhaw feem ntau siv lub nplhaib tuag qhov qauv, qhov ncaj cylindrical qhov (Daim duab a) thiab nqis ntaiv qhov cylindrical (Daim Duab b).

Qhov ntev ntawm cov khoom tsim los ntawm qhov ncaj ncaj cylindrical qhov yog ntau yam zoo li qub (zoo li pom hauv daim duab a), thaum cov khoom me me uas tsim los ntawm lub qhov taub cylindrical feem ntau muaj qhov tshwm sim ntawm ib leeg ib qhov ntev (li daim duab b). Nws qhov kev tsim qauv yog ua li no: vim li cas rau lub kauj ruam cylindrical yog tias qhov granulation tseeb yuav tsum tau muaj qhov me me me, thiab lub nplhaib tuag tsis tuaj yeem ua kom nyias nyias hauv cov tuab vim qhov xav tau lub zog, thiab tsuas yog siv los ua kom dhau los ntawm cov qhov taub cylindrical. Cov txheej txheem ntawm kev nthuav dav lub qhov kom ua tiav lub hom phiaj tsis tsuas yog lav tau qhov ntim ntawm lub nplhaib tuag, tab sis kuj ua tau raws li lub zog xav tau. Txawm li cas los xij, qhov tshwm sim ntawm qhov kev sib txig sib luag yog tias tus txiav ntawv txiav vim tias qhov txiav taw kom deb ntawm qhov particle dabtsi yog khoov kis. Qhov kev ncua deb nce. Nyob rau hauv rooj plaub uas lub tshuab txiav tawm tsis ntse txaus, cov khoom tawg tuaj yeem tawg ntawm qhov kev sib tshuam ntawm cov kauj ruam thiab ua ntev tshaj li cov ib qho me me. Qhov xwm txheej no tseem phem dua qub thaum qhov chaw qhib sab nrauv yog lub qhov tob tob. pom tseeb. Txoj kev daws teeb meem yog hloov cov mis pub, siv qhov loj dua piv nrog ntau li ntau tau, tsis txhob siv cov kauj ruam los yog ua rau luv luv ntawm qhov tau; los yog siv rab ntuag txiav, thiab ua kom txav ze li zoo tau kom lub nplhaib tuag; los yog kho lub pub ya raws kom loj dua kom ua qhov extrusion Lub brittleness ntawm qhov me me yog txo, thiab kev ntxhib los mos ua mos thiab tsis yooj yim tawg.

4 .Qhov qhov cuam tshuam sab nraud ntawm cov qauv tsim ntawm cov log siab

Tus qauv ntawm cov nplaim hluav taws xob sab nrawm feem ntau suav nrog cov hniav zawj hom, hniav zawj yam nrog sealing ntug thiab honeycomb hom. Tus hniav sib tsoo hom siab rub tawm tau cov khoom siv zoo coil thiab muaj dav siv hauv cov tsiaj txhu thiab cov chaw yug tsiaj pub mis. Txawm li cas los xij, vim hais tias kev pub khoom noj nyob rau hauv tus hniav zawj, lub tshuab ua kom lub siab thiab lub nplhaib tuag hnav tsis zoo, thiab hnav ntawm ob qhov kawg ntawm lub siab rub tawm thiab lub nplhaib tuag. Tau ntev, ob qhov kawg ntawm lub nplhaib tuag yog qhov nyuaj rau kev tso tawm, thiab cov khoom tsim tau luv dua li ib nrab ntawm lub nplhaib tuag. Hniav zawj hom siab cov menyuam nrog sealing ntug yog qhov tsim nyog rau kev tsim cov khoom siv dej. Cov khoom da dej yooj yim xaub thaum nyem. Vim tias qhov zawj hniav tau muab khi rau ntawm ob sab, nws tsis yog yooj yim xaub rau ob tog thaum qhov kev zom zaub mov. Nws yog ntau yam hnav, thiab hnav ntawm lub siab siab thiab lub nplhaib tuag kuj tseem hnav ntau, thiaj li hais tias qhov ntev ntawm cov lus hais ua tau ntau dua. Qhov zoo ntawm cov xov paj tso tawm yob yog tias lub nplhaib tuag yog hnav zoo ib yam thiab qhov ntev ntawm cov lus tsim tau zoo ib yam, tab sis kev ua tau zoo ntawm lub coil tsis zoo, uas cuam tshuam cov zis ntawm pelletizer, thiab nws tsis zoo li tus hniav zawj yam nyob rau hauv ntau lawm tiag tiag.

5 .Qhov kev cuam tshuam ntawm kev tshuaj ntsuam xyuas tom qab kev ua tiav

Cov pob zeb granules yuav tsum tau sieved tshem qhov tsis tsim nyog loj, qhov me me thiab cov hmoov me kom tau txais cov khoom tsim nyog nrog ntev ntev. Feed mills feem ntau siv cov ntxaij vab tshaus loj sizing lossis cov vibrating sizing cov ntxaij vab tshaus rau kuaj xyuas particle. Lub vijtsam muab tshuaj yog feem ntau muaj ob lub vijtsam loj thiab qis dua, lub vijtsam sab saum toj yog cov khoom siv ntev dua lossis qhov loj tsis zoo, lub vijtsam qis dua yog cov khoom ua tiav, thiab lub vijtsam qis dua yog qhov ntev dua Vim li no, rau kev ntsuas qhov muaj nqis, yuav ua li cas kho lub vijtsam tsim nyog yog tus yuam sij cuam tshuam rau kev sib luag ntawm qhov ntev ntawm cov khoom tiav. Yog tias qhov chaw tsim khoom lag luam pub cov khaub ncaws ntau dua ntawm qhov ntev ntawm cov khoom tiav, nws yuav tsum tshem tawm ntau qhov loj thiab qhov me me, thiab tau txais cov khoom tsawg dua. Ntawm qhov tsis sib xws, ntau cov ntaub ntawv tiav tau txais, uas yog nyob ntawm txhua qhov khoom lag luam. Lub chaw tsim khoom tswj hwm nws tus kheej.