Cov qauv tsim thiab kev suav cov yam ntxwv tseem ceeb ntawm multihead weigher hauv kev ua haujlwm tiag tiag

Tus Sau: Smartweigh– Multihead Weighter

Multihead weigher (Poob-hauv-qhov hnyav feeder) yog kev tshuaj xyuas ntau ntawm cov khoom siv muab qhov hnyav, feem ntau yog siv, multihead weigher yog siv rau qhov hnyav tas mus li hauv tag nrho cov txheej txheem, tuaj yeem ua qhov hnyav thiab kev tshuaj xyuas ntau ntawm cov khoom siv raw uas yuav tsum tau muab tas mus li, thiab tso saib cov ntaub ntawv hais txog cov khoom siv raw. Tag nrho cov dej ntws tam sim ntawd thiab tag nrho cov dej ntws. Lub hauv paus ntsiab lus yog lub tshuab thiab cov khoom siv static data weight, cov thev naus laus zis net weight ntawm lub static data warehouse scale raug xaiv, thiab lub load cell net weight warehouse siv. Txawm li cas los xij, hauv lub vaj huam sib luag tswj hwm ntawm multihead weigher, txhawm rau kom tau txais qhov hnyav tas mus li ib lub sijhawm ntawm cov khoom siv raw warehouse scale, nws yog qhov tsim nyog los ntsuas tag nrho cov dej ntws tam sim ntawd ntawm cov khoom siv raw.

Sab laug ntawm Daim Duab 1 yog daim duab kos ntawm qhov ntsuas qhov hnyav uas ploj lawm. Thaum cov khoom siv raw hauv lub tsev khaws khoom hnyav tsis muaj cov khoom siv raw tsim nyog, lub qhov cua ntawm cov khoom siv raw tuaj yeem qhib tau. Thaum qhov chaw siab tshaj plaws ntawm cov khoom siv raw tau mus txog, lub qhov cua ntawm cov khoom siv raw raug kaw, thiab lub tsev khaws khoom hnyav tau txhawb nqa los ntawm lub qhov cua ntawm qhov hnyav uas ploj lawm. Taw tes. Yuav kom ua rau qhov hnyav raug dua, sab saud thiab sab hauv qab ntawm lub tsev khaws khoom hnyav tau txuas nrog raws li cov kev nkag thiab tawm mos mos, thiab cov tshuab thiab khoom siv pem hauv ntej thiab tom qab, sab laug thiab sab xis thiab qhov hnyav ntawm cov khoom siv raw hauv nws tsis ntxiv rau lub tsev khaws khoom hnyav. Sab xis ntawm Daim Duab 1 yog daim duab qhia txog tag nrho cov txheej txheem ntawm kev muab khoom tas mus li. Muaj lub voj voog rau tag nrho cov txheej txheem ntawm kev muab khoom tas mus li (cov ntaub ntawv ntawm daim duab qhia 3 lub voj voog).

Txhua lub voj voog system muaj 2 lub sij hawm voj voog: thaum lub warehouse hnyav yuav txo lub warehouse, qhov hnyav ntawm cov khoom siv raw hauv lub warehouse hnyav nce, thiab thaum qhov chaw siab tshaj plaws ntawm cov khoom siv raw mus txog ntawm t1, lub valve ntawm cov khoom siv raw raug kaw, thiab lub tshuab ntsia hlau tsuas yog pib tso cov khoom siv raw tawm, thiab qhov hnyav ntawm cov khoom siv raw poob rau lub sijhawm no. Tom qab lub nplai pib ua haujlwm rau ib lub sijhawm, qhov hnyav ntawm cov khoom siv raw hauv lub warehouse hnyav yuav txo qis. Thaum qhov chaw tsawg kawg nkaus ntawm cov khoom siv raw mus txog ntawm t2, lub valve ntawm cov khoom siv raw yuav qhib dua. Lub sijhawm ntawm t1 txog t2 muab lub sijhawm voj voog rau hom zog. Tom qab ib lub sijhawm, qhov hnyav ntawm cov khoom siv raw hauv lub warehouse hnyav yuav nce. Thaum lub sijhawm t3 mus txog qhov chaw siab tshaj plaws ntawm cov khoom siv raw dua, lub valve ntawm cov khoom siv raw raug kaw, thiab lub sijhawm ntawm t2 txog t3 rov ua dua hauv lub sijhawm voj voog muab zog, thiab qhov sib piv ceev ntawm lub tshuab ntsia hlau raug saib xyuas raws li qhov ntws tam sim ntawd, kom ua tiav lub voj voog muab khoom ruaj khov. Thaum lub sijhawm ntawd, qhov sib piv ceev ntawm lub tshuab ntsia hlau conveyor tswj qhov sib piv ceev ua ntej pib lub sijhawm voj voog thiab tsis hloov pauv, thiab yog muab los ntawm txoj kev ntsuas ntws tas li. Vim tias lub tshuab ntsuas ntau lub taub hau sib xyaw ua ke qhov hnyav dynamic thiab qhov hnyav ntawm cov ntaub ntawv zoo li qub, thiab sib xyaw ua ke kev pub mis tsis tu ncua thiab kev pub mis tas mus li, cov qauv no zoo rau kev kaw, thiab tsim nyog rau cov pob zeb ua vaj tse, hmoov av ceev, thee hmoov, khoom noj, tshuaj thiab lwm yam khoom siv raw me me. Kev ntsuas thiab kev pub mis tuaj yeem ua tiav qhov hnyav siab thiab linearity. Lub tshuab ntsuas 2 lub taub hau ua haujlwm ntawm qhov tsim nyog ntawm cov qauv tsim qauv tseem ceeb.

Thaum tsim lub nplai uas tsis muaj qhov hnyav tag nrho, nco ntsoov xav txog cov yam ntxwv tseem ceeb xws li zaus pub, ntim rov pub, peev xwm rov pub hauv tsev rau khoom, thiab tus nqi rov pub. Txwv tsis pub, qhov hnyav tag nrho uas tsis muaj lub nplai yuav tsis ua haujlwm zoo. Piv txwv li, tus neeg siv khoom yuav lub tshuab ntsuas ntau lub taub hau los ntawm lub chaw tsim khoom rau kev saib xyuas cov khoom siv hauv tsev. Thaum lub sijhawm yuav khoom, tsuas yog yuav 3 lub ntsuas qhov hnyav 100kg xwb.

Tus neeg tsim khoom xa ib tus neeg mus rau qhov chaw kom paub tias cov khoom siv raw ntawm cov neeg siv khoom yog boric acid kua, qhov ceev ntawm qhov sib piv yog 1510kg / m3, qhov siab tshaj plaws tag nrho cov dej ntws yog 36kg / h, thiab tag nrho cov dej ntws yog 21 ~ 24kg / h. Tag nrho cov dej ntws yog me me, lub hopper siv peb qhov chaw txhawb nqa qhov hnyav 100kg, thiab lub hopper tsom xam muaj peev xwm loj. Nws yog qhov teeb meem tsis muaj kev tshawb fawb hauv kev xaiv qauv. Lwm qhov teeb meem yog tias lub hopper txuas nrog lub tshuab nrog lub zog co thaum lub sijhawm teeb tsa. Peb tuaj yeem xaiv 15 ~ 20 zaug / h raws li cov qauv kev paub ua haujlwm pom zoo hauv qab no thaum qhov kev thov loj dua, thiab qhov hnyav ntawm txhua qhov khoom ntxiv yog 36/15 ~ 36/20, uas yog, 1.9kg ~ 2.4kg, Qhov hnyav ntawm cov khoom siv raw uas txhua lub sensor hnyav nqa yog tsawg dua 1 kg, thiab qhov ntsuas tsim nyog yog li 0.5 ~ 1%.

Feem ntau, qhov ntsuas tau tsim nyog ntawm lub ntsuas qhov hnyav yuav tsum yog tsawg kawg 10 ~ 30% kom ntseeg tau tias qhov hnyav raug dua. Raws li qhov hnyav tag nrho ntawm cov khoom siv raw 2.4kg thiab qhov hnyav tag nrho ntawm cov khoom siv raw thiab cov khoom siv raw (ntsia hlau conveyor, thiab lwm yam), tag nrho qhov hnyav yog li 10kg. Thaum siv peb lub ntsuas qhov hnyav, qhov ntsuas ntawm txhua lub ntsuas qhov hnyav tuaj yeem xaiv tau los ntawm 5kg txog 10kg. Hauv lwm lo lus, qhov ntau ntawm 100kg sensor uas yuav tau nce ntxiv 10 ~ 20 npaug, qhov kev ntseeg tau ntawm lub tshuab ntsuas ntau lub taub hau tsis zoo, thiab qhov ntsuas qhov tseeb qis.

Cov ntaub ntawv no qhia tau hais tias cov qauv tsim ntawm lub tshuab ntsuas ntau lub taub hau yuav tsum ua raws li tus qauv tsim, thiab cov yam ntxwv tseem ceeb ntawm cov khoom siv tshuab thiab kev ua haujlwm ntawm lub tshuab ntsuas ntau lub taub hau tsis tuaj yeem txiav txim siab yam tsis muaj kev ntsuas. 3multihead weigher kev ua haujlwm cov yam ntxwv tseem ceeb ntawm kev xam qauv tsim. 3.1 Kev suav ntawm zaus pub mis.

Rau lub tshuab ntsuas qhov hnyav ntau lub taub hau, qhov loj dua qhov piv ntawm lub voj voog muab zog (lub sijhawm piv = lub voj voog muab zog / lub voj voog rov qab muab zog) hauv txhua lub cev ncig, qhov zoo dua, feem ntau nws yuav tsum tshaj 10: 1. Qhov no yog vim qhov tseeb tias hom zog muab lub sijhawm voj voog nrog qhov tseeb siab dua li lub sijhawm rov qab muab zog, thiab qhov ntev dua hom zog muab lub sijhawm voj voog, qhov siab dua qhov tseeb tag nrho ntawm lub tshuab ntsuas qhov hnyav ntau lub taub hau. Lub zaus ntawm lub cev ncig ib lub sijhawm ntawm lub tshuab ntsuas qhov hnyav ntau lub taub hau feem ntau yog qhia ua lub zaus ntawm lub cev ncig ib teev thaum qhov kev thov loj dua, uas yog, zaus / teev.

Siv qhov kev thov ntau dua ib teev ua tus qauv, lub sijhawm thov tas li ib chav sijhawm (piv txwv li, ib ob) yog qhov yuav tsum tau ua ua ntej. Qhov tsawg dua qhov zaus ntawm lub cev ncig, qhov ntau dua ntawm txhua qhov pub, qhov ntau dua qhov muaj peev xwm thiab qhov hnyav ntawm lub tsev khaws khoom hnyav, qhov qis dua qhov tseeb ntawm kev ntsuas qhov tsis muaj qhov hnyav los ntawm kev siv ntau theem ntawm cov cell thauj khoom, qhov ntau dua qhov zaus ntawm lub cev ncig, qhov ntau dua qhov pub txhua lub sijhawm. Qhov qis dua nws yog, qhov me dua qhov muaj peev xwm thiab qhov hnyav ntawm lub tsev khaws khoom hnyav, thiab qhov siab dua qhov tseeb ntawm kev siv me me ntawm cov cell thauj khoom los ntsuas qhov tsis muaj qhov hnyav. Txawm li cas los xij, qhov zaus ntawm lub cev voj voog siab dhau, cov khoom siv tshuab pub feem ntau raug kaw, thiab lub vaj huam sib luag tswj hwm ntawm lub tshuab hnyav ntau lub taub hau feem ntau hloov ntawm lub sijhawm pub lub zog thiab lub sijhawm rov pub dua, thiab nws tsis zoo heev.

Raws li qhov tsis tu ncua ntawm kev ua haujlwm, feem ntau ntawm lub xeev tsis muaj qhov hnyav muab cov software system, tshwj xeeb tshaj yog rau cov hmoov av thiab cov kua dej tsis zoo, qhov zaus ntawm kev rov ua dua yog xaiv li 15 ~ 20 zaug / teev thaum qhov kev thov loj. Thaum qhov kev thov qis dua qhov kev thov loj dua, qhov zaus ntawm kev rov ua dua raug txo qis, thiab lub voj voog muab khoom siv zog suav rau qhov feem pua ​​​​​​ntau dua, uas yog qhov zoo rau kev txhim kho qhov tseeb. Tsuas yog qhov tsis tu ncua ntawm kev ua haujlwm, qee daim ntawv thov uas muab cov dej ntws tag nrho qis tshwj xeeb, txawm hais tias lub peev xwm hauv tsev rau khoom me me heev, lawv tseem tuaj yeem khaws cov khoom siv raw muab rau ntau dua 1 teev, thiab lub sijhawm los muab ntau dua 1 teev.

Cov xwm txheej hauv qab no: Qhov loj dua muab tag nrho cov dej ntws ntawm 2kg / teev. Qhov piv ntawm cov khoom siv raw yog 803kg / m3. Tag nrho cov dej ntws ntawm kev pub mis loj dua yog 2/803 = 0.0025m3 / teev.

Yog tias lub peev xwm ntawm lub tsev rau khoom yog 0.01m3 (kwv yees li sib npaug rau 250Mm × 250Mm × Qhov loj ntawm lub tsev rau khoom cubic meter zoo li 250Mm) txaus rau 2 teev ~ 3 teev ntawm kev siv cov khoom siv raw, thiab txhua qhov kev siv cov khoom siv raw tsis pub tshaj 10kg, yog li cov khoom siv raw tsis siv neeg tsis tas yuav tsum tau, thiab cov khoom siv raw neeg tuaj yeem txiav txim siab. Cov cai tsim khoom, tab sis tag nrho cov kab ntws yog qis dua me ntsis. 3.2 Xam qhov ntim pub mis dua. Tom qab xaiv qhov zaus rov ua dua, nws muaj peev xwm ntsuas qhov ntim rov ua dua thiab tag nrho cov ntim khoom.

Piv txwv li, siv lub tshuab ntsuas ntau lub taub hau: qhov loj dua muab tag nrho cov dej ntws ntawm 270KG / teev. Qhov ceev ntawm cov khoom siv raw yog 485kg / m3. Tag nrho cov dej ntws ntawm kev pub mis ntau dua yog 270/480 = 0.561m3 / teev.

Ntawm tus nqi xa khoom loj dua, qhov zaus ntawm kev xa khoom rov qab tau xaiv los ua 15 zaug / teev. Txoj kev suav ntawm qhov ntim rov qab: qhov ntim rov qab = qhov ntxiv ntau dua (kg / h) ÷ Qhov ceev (kg / m3) ÷ zaus rov nkag (zaus rov nkag / teev) Hauv qhov no, qhov ntim rov qab teeb tsa = 270 ÷ 480 ÷ 15 = 0.0375m3. 3.3 Kev suav qhov hnyav ntawm lub tsev rau khoom.

Lub peev xwm ntawm lub tsev rau khoom hnyav tag nrho ntawm daim phiaj tsim yuav tsum tshaj qhov peev xwm ntawm lub tsev rau khoom hnyav tag nrho uas tau xam. Qhov no yog vim tias lub tsev rau khoom hnyav tag nrho yuav tsis muaj cov khoom siv raw thiab qhov chaw seem ntawm sab saum toj ntawm lub tsev rau khoom thaum lub tsev rau khoom hnyav tag nrho pib lub tsev rau khoom hnyav tag nrho. Yog tias txhua tus suav rau 20%, thiab lub peev xwm ntawm lub tsev rau khoom hnyav tag nrho raug faib los ntawm 0.6, lub peev xwm ntawm lub tsev rau khoom tsim nyog tuaj yeem tau txais.

Qhov hnyav kawg ntawm lub tsev rau khoom uas xaiv yuav tsum ci ntsa iab raws li qhov ntim ntawm lub tsev rau khoom ruaj khov. Txoj kev suav ntawm kev rov ntim khoom dua: qhov hnyav tag nrho ntawm lub tsev rau khoom muaj peev xwm = qhov hnyav tag nrho ntawm lub tsev rau khoom ÷ k. Hauv cov mis: k yog qhov kwv yees ntxiv ntawm cov khoom siv raw, uas tuaj yeem yog 0.4 ~ 0.7, thiab 0.6 yog qhov tau hais tseg.

Hauv qhov piv txwv no, qhov hnyav tag nrho ntawm lub tsev rau khoom muaj peev xwm = 0.0375 ÷ 0.6 = 0.0625m3. Thaum lub ntim ntawm lub tsev rau khoom zoo li no yog 0.6m3, 0.8m3, 1.0M3 thiab lwm yam lus qhia thiab qauv, qhov ci ntsa iab yuav tsum yog 0.08m3 siab dua, thiab lub peev xwm ntawm lub tsev rau khoom hnyav yuav tsum yog 0.08m3. 3.4 Ntsuas qhov nrawm ntawm kev teeb tsa dua.

Lub tshuab ntsuas qhov hnyav ntau lub taub hau yog muab los ntawm txoj kev muaj peev xwm ruaj khov qis hauv lub sijhawm rov qab thauj khoom, yog li qhov nrawm ntawm kev rov qab thauj khoom ntawm lub tshuab rov qab thauj khoom tau teev tseg kom ceev (feem ntau, nws yuav tsum tau tswj hwm hauv 5s ~ 20s). Txoj kev suav ntawm qhov nrawm ntawm kev rov qab thauj khoom: qhov nrawm ntawm kev rov qab = [qhov ntim rov qab them rov qab (m3) ÷ Lub sijhawm rov qab nqis peev (s) × 60 (s / min)] + [qhov ntim loj ntawm kev nqis peev tag nrho cov dej ntws (m3 / h) ÷ 60 (min / h)] Hauv kab zauv 2, qhov nrawm ntxiv muaj 2 yam khoom tshiab, thawj yam khoom tshiab yog qhov nrawm ntxiv raws li qhov ntim rov qab ntxiv, thiab qhov thib ob yam khoom tshiab feem ntau raug tsis quav ntsej los ntawm ntau tus neeg, qhia tias tib yam nrawm ntxiv ntawm lub sijhawm, cov khoom siv raw uas yuav tsum sau qhov no thaum ntxiv dua. Raws li tus nqi, qhov nrawm rov qab pub yog li 30 npaug ntawm qhov nrawm ntxiv loj dua. Hauv lwm lo lus, raws li tus nqi no, thaum kwv yees tus nqi rov pub dua ntawm lwm qhov hnyav ntawm cov nplai uas ploj lawm, nws tuaj yeem kwv yees li ntawm 25-40 npaug ntawm tus nqi ntxiv loj dua.

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