Cov lus piav qhia ntawm ntau lub taub hau hnyav, lub tswv yim siv cov kev txwv yooj yim, suav thiab siv piv txwv

Author: Smartweigh-Multihead Weighter

Multihead weigher (Loss-in-weightfeeder) yog ib hom kev soj ntsuam kom muaj nuj nqis uas siv cov khoom siv pub mis. Los ntawm lub hom phiaj tseem ceeb, multihead weighter yog siv rau tag nrho cov txheej txheem ntawm dynamic nruam hnyav, uas tuaj yeem nqa tawm cov ntaub ntawv raw uas yuav tsum tau noj tsis tu ncua. Kev ntsuas qhov ntsuas thiab ntsuas qhov ntau, thiab muaj tam sim tag nrho cov khoom siv raw thiab tag nrho cov ntaub ntawv ntws tawm. Hauv paus hais lus, nws yog cov ntaub ntawv zoo li qub uas ntsuas qhov system, uas siv cov cuab yeej hnyav ntawm cov ntaub ntawv zoo li qub hopper nplai, thiab siv lub ntsuas qhov hnyav los ntsuas lub hopper. Txawm li cas los xij, nyob rau hauv kev tswj vaj huam sib luag ntawm multihead weighter, nws yog ib qho tsim nyog los xam qhov hnyav poob ntawm ib chav tsev lub sij hawm ntawm lub hopper nplai kom tau txais cov khoom siv tam sim ntawd.

Daim duab 1 yog ib txoj kev pom ntawm lub hauv paus ntsiab lus ntawm multihead weighter. Cov lus piav qhia luv luv ntawm multihead weighter, tus qauv tsim, kev ntsuas thiab kev siv lub ntsiab ntawm kev ua haujlwm thiab nws cov ntaub ntawv thov. Daim duab 1. Lub hauv paus ntsiab lus ntawm lub multihead weigher. Daim duab 1 yog ib daim duab schematic ntawm cov qauv ntawm ib tug multihead weigher. Tshem tawm, thaum cov khoom siv siab tshaj plaws tau mus txog, qhov tawm valve raug kaw, thiab qhov hnyav hopper tau txais kev txhawb nqa los ntawm ntau lub taub hau hnyav. Txhawm rau ua kom qhov hnyav yog qhov tseeb, sab sauv thiab sab qis ntawm qhov hnyav hopper yog tag nrho txuas nrog raws li cov channel muag lossis qhov nkag thiab tawm, kom lub nra hnyav ntawm lub hauv ntej thiab nram qab, sab laug thiab sab xis machinery thiab cov khoom siv thiab cov cov ntaub ntawv raw tsis siv rau ntawm qhov hnyav hopper.

Sab xis ntawm daim duab 1 yog qhov kev npaj saib ntawm tag nrho cov txheej txheem ntawm kev pub noj tas mus li. Tag nrho cov txheej txheem ntawm cov khoom noj tsis tu ncua muaj lub voj voog voj voog (peb lub voj voog yog qhia ntawm daim duab). Txhua lub voj voog muaj ob lub sij hawm: thaum lub hopper qhov hnyav yog qhov khoob, qhov tso tawm valve qhib kom tso tawm cov khoom, thiab qhov hnyav ntawm cov khoom siv raw hauv qhov hnyav hopper tseem nce ntxiv. Thaum cov khoom siv siab tshaj plaws mus txog ntawm t1, lub valve tawm raug kaw. Cov ntsia hlau conveyor nyuam qhuav pib ncuav cov khoom, thiab tom qab ntawd lub multihead weighter pib ua haujlwm; Tom qab ib lub sij hawm, thaum lub net hnyav ntawm raw khoom nyob rau hauv lub hnyav hopper txuas ntxiv txo thiab mus txog qhov tsawg kawg nkaus cov khoom theem ntawm t2, lub tso tawm valve tau qhib dua, thiab lub sij hawm ntawm t1 mus rau t2 yog lub zog feeder voj voog. sij hawm; Tom qab ib lub sij hawm, thaum lub net hnyav ntawm raw khoom nyob rau hauv lub hnyav hopper tseem nce thiab nce mus txog lub siab tshaj plaws cov ntaub ntawv theem dua nyob rau hauv lub sij hawm t3, lub discharge valve raug kaw, thiab lub sij hawm ntawm t2 mus rau t3 yog lub sij hawm mus txog rau lub sij hawm. rov tso tawm, thiab lwm yam. Thaum lub sij hawm lub voj voog ntawm lub zog feeder, qhov sib piv ceev ntawm cov ntsia hlau conveyor raug saib xyuas raws li qhov nrawm nrawm kom ua tiav cov khoom noj ruaj khov; Thaum lub sij hawm rov unloading lub sij hawm, qhov ceev piv ntawm cov ntsia hlau conveyor yuav ua kom tus ceev piv ua ntej pib ntawm lub voj voog lub sij hawm. Hloov lub feeder mus rau qhov ntsuas qhov ntim tsis tu ncua.

Vim hais tias lub multihead weighter integrates dynamic weighting thiab zoo li qub cov ntaub ntawv uas hnyav, thiab integrates interrupted feeder thiab nruam noj, cov qauv yog ib qho yooj yim mus foob, thiab nws yog haum rau hnyav ntawm ultra-nplua raw cov ntaub ntawv xws li pob zeb, quicklime hmoov, pulverized thee, zaub mov. , tshuaj, thiab lwm yam. Nyhav thiab seasoning tswj, tuaj yeem ua tiav qhov hnyav precision thiab linearity. 2. Qhov tsim nyog ntawm cov qauv tsim ntawm qhov tseem ceeb ntawm kev ua haujlwm ntawm multihead weighter Thaum tsim lub tswv yim ntawm multihead weighter, qhov tseem ceeb ntawm kev ua haujlwm xws li qhov zaus ntawm kev tawm, qhov ntim ntawm qhov rov ua dua, lub peev xwm ntawm qhov hnyav hopper, thiab tus nqi ntawm rov tso tawm yuav tsum tau txiav txim siab, txwv tsis pub lub multihead weighter yuav tsis ua haujlwm zoo thaum ua haujlwm. Ib tus neeg yuav khoom ntau lub taub hau hnyav los ntawm cov chaw tsim khoom rau kev saib xyuas cov khoom siv hauv tsev rau kev tsom xam. Tsuas yog 3 100kg hnyav sensors tau yuav. Tom qab muab tso rau hauv kev siv, nws tau pom tias qhov xoom taw tes tsis ruaj khov, thiab tag nrho cov dej ntws qee zaum tsis pom cov ntaub ntawv thiab lwm yam kev ua txhaum.

Tom qab cov chaw tsim khoom xa ib tus neeg mus rau qhov chaw, lawv pom tau hais tias cov khoom siv raw ntawm cov neeg siv khoom yog boric acid, qhov txheeb ze ntom ntom yog 1510kg / m3, qhov siab tshaj plaws tag nrho ntws tsuas yog 36kg / h, thiab tag nrho cov dej ntws yog 21 ~ 24kg / h. h. Tag nrho cov ndlwg yog me me, lub hopper txais peb 100kg hnyav sensor txhawb cov ntsiab lus, thiab lub peev xwm ntawm kev tsom xam hopper yog loj heev. Ib tus tuaj yeem ua raws li cov cai tau pom zoo ua haujlwm hauv qab no“Thaum cov hmoov tshauv loj, qhov rov tso tawm zaus raug xaiv li 15 txog 20 zaug / h”Txhawm rau nqa dhau, qhov hnyav ntawm txhua qhov rov tso tawm yog 36/15 ~ 36/20, uas yog, 1.9kg ~ 2.4kg. Qhov hnyav ntawm cov khoom siv los ntawm txhua qhov ntsuas qhov hnyav yog tsawg dua 1 kg, thiab qhov ntsuas qhov tsim nyog yog li 0.5 ~ 1%.

Feem ntau, qhov kev ntsuas tsim nyog ntawm qhov ntsuas qhov hnyav yuav tsum yog tsawg kawg 10 ~ 30% lossis ntau dua, txhawm rau kom muaj qhov hnyav dua. Raws li cov khoom siv raw khoom hnyav ntawm 2.4kg ntxiv rau qhov hnyav ntawm lub hopper thiab cov khoom noj (xws li cov ntsia hlau conveyor), tag nrho qhov hnyav yog li 10kg. Yog tias peb siv lub tshuab thauj khoom, qhov ntsuas ntau ntawm txhua lub cell tuaj yeem xaiv tau los ntawm 5kg ~ 10kg. Ntawd yog, kev ntsuas ntau yam ntawm thawj zaug xaj 100kg sensor dhau los ua 10-20 npaug loj dua, ua rau muaj kev ntseeg tsis zoo ntawm ntau lub taub hau hnyav thiab qhov hnyav qis.

Cov ntaub ntawv no qhia tau hais tias lub tswv yim tsim ntawm multihead weighter yuav tsum tau ua raws li tus qauv tsim qauv, thiab qhov tseem ceeb ntawm cov cuab yeej siv tshuab thiab kev ua haujlwm ntawm multihead weighter yuav tsum tau txiav txim siab tom qab xam. 3. Kev suav ntawm cov qauv tsim ntawm qhov tsis tseem ceeb ntawm kev ua haujlwm ntawm multihead weighter 3.1 Kev suav ntawm qhov tso tawm zaus Daim duab 1 qhia txog kev ua haujlwm ntawm multihead weighter. Txhua lub voj voog muaj xws li tag nrho cov txheej txheem ntawm kev tso tawm, yog li dab tsi yog qhov tsim nyog tso tawm zaus? Rau ntau lub taub hau hnyav, qhov loj dua lub voj voog nyob qhov sib piv ntawm lub zog feeder nyob rau hauv txhua lub voj voog (lub sij hawm nyob = lub voj voog ntawm lub zog feeder / lub voj voog rov tso tawm), qhov zoo dua, feem ntau nws yuav tsum tshaj 10: 1. Qhov no yog vim lub precision ntawm lub voj voog lub sij hawm ntawm lub zog feeder deb tshaj lub voj voog lub sij hawm ntawm rov unloading. Qhov ntau dua lub voj voog nyob ntawm lub zog feeder, qhov siab dua tag nrho cov precision ntawm multihead weigher.

Qhov zaus ntawm cov hlab ntsha hauv ib lub sijhawm ntawm lub tshuab ua haujlwm ntau lub taub hau yog feem ntau qhia raws li qhov zaus ntawm cov kab mob hauv ib teev twg thaum cov hmoov tshauv loj dua, uas yog, zaus / h. Vim tias qhov ua ntej yog raws li qhov loj ntawm cov hmoov tshauv pub rau ib teev, cov hmoov tshauv pub rau ib lub sij hawm (piv txwv li, ib ob) yog lub sij hawm tas li. Qhov tsawg dua qhov zaus ntawm lub voj voog, qhov ntau dua ntawm cov khoom tawm txhua lub sijhawm, qhov loj dua qhov muaj peev xwm thiab qhov hnyav ntawm qhov hnyav hopper, thiab qhov qis dua qhov tseeb ntawm qhov hnyav poob thiab suav nrog ntau qhov hnyav sensor; qhov ntau zaus ntawm lub voj voog, Qhov qis dua ntawm txhua qhov tso tawm, qhov me me thiab qhov hnyav ntawm qhov hnyav hopper, thiab qhov siab dua qhov kev poob phaus thiab kev suav siv lub ntsuas qhov hnyav nrog qhov ntsuas me me.

Txawm li cas los xij, qhov zaus ntawm lub voj voog yog siab dhau lawm, cov khoom siv lub tshuab pub mis pib thiab nres ntau zaus, thiab lub rooj tsavxwm tswj ntawm lub tshuab ua haujlwm ntau lub taub hau feem ntau hloov ntawm lub voj voog lub sij hawm ntawm lub zog feeder thiab lub voj voog lub sij hawm ntawm kev rov pub mis, uas. tsis zoo heev. Qhov pom zoo kom rov tso tawm ntau zaus tau pom nyob rau hauv Table 1, tab sis qhov tseem ceeb tshaj plaws thiab pom zoo heev yog peb qhov tso tawm zaus hauv nruab nrab. Raws li txoj cai ntawm kev ua haujlwm, feem ntau ntawm qhov poob-hauv-qhov hnyav feeder system software yog qhov tsim nyog rau cov khoom siv hmoov thiab cov ntaub ntawv granular nrog cov dej tsis zoo. sij hawm/teev.

Thaum cov hmoov tshauv pub mis qis dua qhov loj dua cov hmoov tshauv pub mis, qhov zaus ntawm kev rov pub mis yog txo, kom lub voj voog nyob tus nqi ntawm lub zog feeder loj dua, uas yog qhov zoo dua los txhim kho qhov tseeb. Raws li txoj cai ntawm kev ua haujlwm, qee qhov kev siv nrog qhov tsawg kawg nkaus tus nqi ntawm lub feeder, txawm hais tias lub hopper muaj peev xwm me me, tseem tuaj yeem khaws cov ntaub ntawv raw rau ib teev lossis ntev dua pub mis, thiab lub sijhawm rov pub mis dua 1 teev. . Piv txwv li nram no: Tag nrho cov khiav ntawm lub feeder loj yog 2kg / h. Qhov piv ntawm cov khoom siv raw khoom yog 803kg / m3. Tag nrho cov khiav ntawm qhov loj ntim feeder yog 2/803 = 0.0025m3 / h. Yog hais tias lub hopper muaj peev xwm yog 0.01m3 (kwv yees sib npaug rau 25b250m×25b250 ib×Qhov luaj li cas ntawm lub voos xwmfab zoo li 25b250m), cov khoom siv raw txaus siv rau 2h ~ 3h, thiab txhua qhov kev pub mis yog qis dua 10kg, yog li tsis tas yuav muaj kev pub noj tsis siv neeg, kev pabcuam pub noj yuav suav tau tias yog kev tsim khoom thiab kev tsim khoom, tab sis nws tag nrho. ntws yog linear me ntsis qis.

3.2 Cov qauv rau kev suav cov ntim ntawm qhov rov tso tawm tau xaiv qhov zaus ntawm rov tso tawm, thiab tom qab ntawd qhov ntim ntawm rov tso tawm thiab tag nrho cov ntim ntawm lub feeder tuaj yeem suav tau. Raws li tus yam ntxwv tsom xam ntawm ib tug multihead weigher: tag nrho cov txaus txaus tus nqi ntawm lub feeder loj yog 275kg / h, bulk ceev ntawm raw khoom yog 485kg / m3, thiab tag nrho cov txaus tus nqi ntawm lub ntim loj feeder yog 270/480 = 0.561m3 / h. Qhov zaus ntawm cov khoom raug xaiv raws li 15 zaug / h. Txoj kev suav ntawm qhov ntim ntawm qhov rov tso tawm yog: qhov ntim ntawm qhov rov tso tawm = qhov loj ntawm cov tshauv (kg / h)÷Qhov ceev (kg / m3)÷Re-discharge zaus (re-discharge frequency/h) Hauv qhov piv txwv no, re-discharge volume = 270÷480÷15 = 0.0375m33.3 Kev suav ntawm qhov hnyav hopper peev Lub peev xwm ntawm qhov hnyav hopper nyob rau hauv cov qauv tsim yuav undoubtedly tshaj qhov xam rov tso tawm ntim. Qhov no yog vim nws yuav tsum tau xav txog tias qhov hnyav hopper tsis tuaj yeem zam tau thaum rov pib rov pib dua. Kuj muaj qee yam“Residual raw khoom”thiab sab saum toj ntawm lub hopper muaj cia uas tsis zoo li yuav puv“qhov chaw dawb”, yog tias txhua tus account rau 20%, ces qhov rov tso tawm ntim tau muab faib los ntawm 0.6, thiab qhov tsim nyog hopper muaj peev xwm tuaj yeem tau txais, thiab qhov kawg qhov hnyav silo peev xwm yuav tsum glossy raws li qhov kawg ntawm silo peev. Kev suav cov txheej txheem ntawm rov tso tawm ntim: hnyav hopper peev = rov tso tawm ntim÷Qhov twg k: k yog qhov ntsuas qhov muaj peev xwm ntawm lub hopper, uas tuaj yeem yog 0.4 ~ 0.7, thiab 0.6 tau pom zoo.

Hauv qhov piv txwv no, Nyhav Hopper Capacity = 0.0375÷0.6 = 0.0625m3 Yog hais tias lub peev xwm ntawm lub shaping silo muaj specifications xws li 0.6m3, 0.2m3, 1.b2503, thiab lwm yam., nws yuav tsum ci li 0.08m3, thiab lub peev xwm ntawm lub hnyav hopper yuav tsum yog 0.08m3. 3.4 Tus nqi tso tawm raug suav rov qab vim yog lub tshuab hnyav ntau hauv lub sijhawm rov tso tawm, qhov qis-precision tsis tu ncua-muaj peev xwm feeder raug xaiv, yog li qhov rov tso tawm nrawm ntawm lub vibrating feeder tau teev kom nrawm dua (feem ntau, nws yuav tsum tau ua nyob rau hauv 5s ~ 20s). Kev suav cov txheej txheem ntawm rov tso tawm tus nqi: rov tso tawm tus nqi = [re-discharge ntim (m3)÷Lub sijhawm tso tawm dua (s)×60 (s / min)] + [Tag nrho cov ntws ntawm cov ntim loj dua (m3 / h)÷60 (min / h)] Hauv cov qauv 2, tus nqi tso tawm rov muaj ob yam khoom.

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