WesternFlag - Kev faib tawm ntawm cov cuab yeej ziab khaub ncaws

Ⅰ. Convection kom qhuav

Hauv cov cuab yeej ziab khaub ncaws, ntau hom khoom siv ziab ziab yog cov cua kub hloov tshuab ziab khaub ncaws. Piv txwv li,cua kub kom qhuav, huab cua kub thiab cov khoom sib cuag rau kev sib hloov cua sov kom evaporate noo noo. Feem ntau ntawm cov khoom siv tshuab ziab khaub ncaws yog cov tshuab ziab khaub ncaws cua, xws li cov tshuab ziab khaub ncaws, lub tshuab ziab khaub ncaws, tshuab ziab khaub ncaws, tshuab ziab khaub ncaws, cua tshuab ziab khaub ncaws, tshuab ziab khaub ncaws, cua tshuab ziab khaub ncaws, tshuab ziab khaub ncaws, tshuab ziab khaub ncaws,rotary tshuab ziab khaub ncawsthiab lwm yam.

Hauv kev siv tswv yim, muaj ib lub tshuab siv thiab siv cov tshuab ua ke. Cua ntws tshuab ziab khaub ncaws, fluidized txaj tshuab ziab khaub ncaws, tshuab ziab khaub ncaws, thiab lwm yam yog siv cov cua kub los ua cua sov, thiab kev hloov cov ntaub ntawv tiav thaum ziab, thiab cov tshuab ziab khaub ncaws no feem ntau yog qhov tsis muaj qhov sib kis.

Qhuav hmoov, granule thiab flake cov ntaub ntawv, txoj kev zoo tib yam yog siv cov cua kub los yog roj ntws rau ntawm qhov chaw ntawm granule, thiab hloov cov cua sov mus rau cov khoom los ntawm airflow kom evaporate cov dej. Cov evaporated dej vapor mus ncaj qha rau hauv cov huab cua thiab raug muab tshem tawm. Cov tshuab ziab khaub ncaws feem ntau siv rau hauv cov tshuab ziab khaub ncaws yog cua, inert gas, ncaj qha combustion gas lossis superheated chav.

Txoj kev ua rau huab cua kub nyob rau hauv kev sib cuag ncaj qha nrog cov khoom thiab tshem tawm cov dej noo thaum cua sov. Qhov tseem ceeb yog los txhim kho qhov chaw sib cuag ntawm cov khoom siv thiab cov cua kub kom tsis txhob muaj cua kub deflection. Cov khoom siv kub thaum lub sij hawm isokinetic ziab yog yuav luag zoo ib yam li lub teeb ntub dej kub ntawm cov cua kub, yog li kev siv cov cua kub kub tuaj yeem qhuav cov ntaub ntawv kub-rhiab heev. Txoj kev ziab no muaj qhov ziab kom qhuav thiab cov cuab yeej siv qis, tab sis cov thermal efficiency tsawg, cov hauv qab no yog cov teeb meem yooj yim ntawm ob peb convection drying khoom:

(1) Qhov cua tshuab ziab khaub ncaws

Ua rau saum npoo ntawm qhov thaiv los yog cov khoom siv uas tau dhau los ua cov duab zoo sib cuag nrog cov cua kub. Qhuav tus nqi yog tsawg, tab sis daim ntawv thov ntau yog dav.

(2) Fluidized txaj tshuab ziab khaub ncaws

Cia cov cua kub cua tshuab nyob rau hauv tusyees los ntawm lub hauv qab ntawm txheej ntawm hmoov thiab granular cov ntaub ntawv thiab ua kom nws ntws, yog li ntawd cov ntaub ntawv yuav vigorously tov thiab dispersed. Tus nqi ziab yog siab.

(3) Airflow tshuab ziab khaub ncaws

Txoj kev no ua rau cov hmoov dispersed nyob rau hauv high kub cua kub thiab conveys cov khoom thaum ziab. Cov qauv no muaj lub sijhawm ziab luv luv thiab tsim nyog rau kev tuav cov ntaub ntawv loj. Yog tias cov khoom siv rau hauv lub tshuab ziab khaub ncaws ua ntej siv cov txheej txheem siv tshuab kom tshem tawm cov dej feem ntau ua ntej nkag mus rau hauv lub tshuab ziab khaub ncaws yog kev lag luam ntau dua.

(4) Lub tshuab ziab khaub ncaws

Yog li hais tias cov tshuaj los yog slurry cov ntaub ntawv nyob rau hauv lub kub kub kub atomization, droplets ntog nyob rau tib lub sij hawm instantaneous ziab. Cov qauv no ntawm lub sij hawm ziab yog luv luv, haum rau kev tsim khoom loj, rau kev siv tshuaj, xuas nrig ntaus, zas xim kom qhuav.

(5) Rotary lub tog raj kheej tshuab ziab khaub ncaws

Ua cov hmoov, thaiv, slurry cov ntaub ntawv los ntawm lub rotating nruas hu rau cua kub. Txoj kev no yog tsim rau kev tsim khoom loj. Tom qab ziab cov av nkos tuaj yeem tso tawm raws li cov khoom siv granular, ntau qhov kub thiab txias resistant ntxhia ziab yog siv li no.

(6) lub tshuab ziab khaub ncaws

Cov khoom yog stirred los ntawm high-speed rotating stirring hniav, thiaj li hais tias nws yog dispersed nyob rau hauv lub rotating zog ntawm cov roj ntws nyob rau tib lub sij hawm kom qhuav. Feem ntau siv rau ziab ntawm cov ntaub ntawv nruab nrab-ntev, feem ntau yog siv rau ziab cov ntaub ntawv muab tshuaj txhuam.

Ⅱ. Kev ua kom qhuav

Kev siv tshuab ziab khaub ncaws yog qhov hloov tau yooj yim rau cov khoom ntub, thiab cov khoom siv ziab khaub ncaws muaj cov thermal efficiency siab. Cov evaporated dej vapor yog muab rho tawm los ntawm lub tshuab nqus tsev los yog tawm los ntawm airflow, uas yog lub ntsiab cab kuj ntawm ya raws, thiab lub tshuab nqus tsev vacuum yog pom zoo rau cov cua sov-sensitive granular cov ntaub ntawv. Hauv cov khoom siv tshuab ziab khaub ncaws, paddle tshuab ziab khaub ncaws yog siv rau ziab cov ntaub ntawv muab tshuaj txhuam. Teb cov tshuab ziab khaub ncaws nrog cov raj ntws sab hauv tau tam sim no tau tsim, xws li lub tshuab nqus dej fluidized txaj rau ziab tshav kub-sensitive polymers lossis roj pellets, uas tsuas yog ib feem peb ntawm qhov loj ntawm lub tshuab ntxhua khaub ncaws fluidized.

Lub tshuab nqus tsev ziab yog txheej txheem ntawm qhov kub thiab txias tsis tshua muaj siab ziab los ntawm cua sov cov khoom nyob rau hauv lub tshuab nqus tsev kom cov dej noo diffuse sab hauv, evaporate sab hauv, sublimate, thiab evaporate ntawm qhov chaw. Nws muaj qhov zoo ntawm cov cua kub uas tsis muaj cua sov, kev ua haujlwm zoo antioxidant, cov khoom tsis sib xws ntawm cov ntsiab lus noo noo, superior zoo thiab daim ntawv thov. Lub tshuab nqus tsev ziab yog kim heev rau kev khiav lag luam, thiab lub tshuab nqus tsev ziab yog pom zoo tsuas yog thaum cov khoom yuav tsum tau qhuav nyob rau hauv qis kub los yog oxygen deficiency, los yog thaum nws yuav deteriorated los ntawm ziab nyob rau hauv cua sov nruab nrab thiab kub. Rau qee qhov kev ua haujlwm evaporation, kev ua haujlwm kub kub yog siv kom cov roj ntws tuaj yeem txo qis thiab cov khoom ntim tuaj yeem txo. Rau kev ua haujlwm kub qis qis, qhov tsim nyog cov khoom siv hluav taws xob qis qis lossis cov khoom siv hnub ci tuaj yeem xaiv los ua cov cua sov, tab sis qhov ntim ntawm lub tshuab ziab khaub ncaws yog qhov loj.

Ⅲ. Kev sib xyaw kom qhuav

Siv cov txheej txheem ziab khaub ncaws sib txawv, sib txawv ntawm cov txheej txheem ziab kom qhuav, tuaj yeem ua rau lawv cov kev ua tau zoo thiab ua rau lawv qhov tsis zoo ntawm cov khoom siv ziab. Piv txwv li, txoj kev ziab ncaj qha thiab txoj kev ziab tsis ncaj thiab siv txoj kev ziab tsis ncaj los muab ziab kom qhuav feem ntau ntawm cov cua sov yuav tsum tau ua. Nyob rau hauv txoj kev no, qhov ziab kom qhuav tuaj yeem txhim kho, thiab txoj kev ziab ncaj qha thiab tsis ncaj qha thiab cov khoom siv ziab nrog cov khoom siv me me thiab cov thermal efficiency siab tuaj yeem tau txais.

Cov cuab yeej ziab khaub ncaws ua ke kuj tseem siv ntau thiab ntau dua, xws li tshuab ziab khaub ncaws thiab vibration fluidized txaj tshuab ziab khaub ncaws ua ke, rake tshuab ziab khaub ncaws thiab vibration fluidized txaj tshuab ziab khaub ncaws ua ke, rotary mixing dryer, conduction mixing dryer, air dryer and fluidized bed dryer together. Kev sib xyaw ua ke ntawm lub hom phiaj yog kom tau txais cov dej noo qis, xws li ib lub tshuab ziab khaub ncaws tuaj yeem tau txais 1% -3% noo noo cov ntsiab lus ntawm cov khoom, xws li cov ntsiab lus noo noo ntawm 0.3% lossis tsawg dua, qhov tso cua sov feem ntau yuav tsum tau 120 ℃ lossis ntau, qhov poob ntawm lub zog cua sov yog qhov loj heev. Ib yam li ntawd, yog tias muaj cov kev xav tau ntxiv rau cov dej noo, cov ntsiab lus noo noo tsawg dua 0.1%, qhov cua kub yuav tsum siab tshaj 130 ℃. Txhawm rau txuag hluav taws xob thermal, hauv kev tsim qauv siv dav dav ntawm 90 ℃ tso cua sov ntawm lub tshuab ziab khaub ncaws, kom cov dej noo mus rau 2%, cua sov rov qab los ntawm 60 ℃ cua kub tuaj yeem siv rau hauv kev ziab ntawm kab rov tav fluidized txaj, qhov kawg ntawm cov dej noo tuaj yeem ncav cuag 0.1% lossis tsawg dua, thiab thermal zog tuaj yeem txuag tau 20%.

Qee qhov xwm txheej, thaum cov khoom qhuav qhuav lossis ua tiav, cov khoom siv hluav taws xob ua kom muaj kev hloov pauv, lossis cov yam ntxwv ntawm cov khoom hloov pauv. Obviously, nyob rau hauv cov ntaub ntawv no, kev siv ob los yog ntau tshaj ob hom kev sib txawv ntawm cov khoom siv ziab kom qhuav yog qhov zoo.

Tom qab ntawd, yuav ua li cas xaiv cov tshuab ziab khaub ncaws kom haum rau koj cov ntaub ntawv? Zoo siab txais tos rau kev sib tham!