Kev lag luam tsim khoom tau muaj nws txoj kev sib tw ntawm kev nyab xeeb zaub mov hauv xyoo tas los no.
Tab sis nws tsis yog ib leeg.
Speaking during an education session at United Fresh 2012 in Texas, Margaret Hardin, Ph.D., vice president of technical services for IEH Laboratories and Consulting Group, said the produce industry would do well to learn from its friends in meat and dairy.
"Kev lag luam khoom noj siv mis tau daws nrog nws, kev lag luam nqaij tau daws nrog nws," nws hais. "Kuv vam tias kev lag luam tsim khoom yuav kawm tam sim no los ntawm qhov lawv tau ntsib ob peb xyoos dhau los los sau lawv tus kheej keeb kwm."
Kev kis kab mob hauv cov nqaij deli thiab nqaij qaib hauv xyoo 1980s ua rau muaj ntau yam kev nyab xeeb ntawm cov zaub mov hauv cov phau ntawv niaj hnub no, hais tias Hardin, uas tau ua ntau yam kev soj ntsuam kev nyab xeeb ntawm cov zaub mov hauv chaw ua zaub mov ntau xyoo.
Yam koj tsis pom
Nws tau hais tias, nws yog ib qho tseem ceeb, kom ntsib kev tsis lees paub - cov thawj coj thiab cov neeg ua haujlwm uas tsis ntseeg tias muaj kev sib kis tuaj yeem tshwm sim hauv lawv cov chaw. Qhov ntawd yog vim qhov ua rau feem ntau muab zais - hauv nooks thiab crannies.
Tab sis txhua yam uas los rau hauv kev sib cuag nrog cov zaub mov saum npoo muaj peev xwm kis tau. Thiab qhov ntawd yog qhov khoom siv tseem ceeb heev.
Siv hollow rollers. Tsis yog lub tswv yim zoo, Hardin tau hais tias, vim tias lawv muaj peev xwm dhau los ua "kev loj hlob ntawm cov kab mob microbial ... harboring kab mob tom qab kev huv huv."
Nws tau hais tias "Yog tias koj muaj ntxhiab tsw phem hauv thaj chaw huv huv, muaj cov kab mob microbial niche," nws hais.
Kev loj hlob ntawm microbial niches yog qhov nyuaj los ntxuav, Hardin hais tias, hais txog hnav cov ntsaws ruaj ruaj hydraulic, saw thiab hniav tiv thaiv, O-rings, gaskets, sab hauv ntawm cov txee thiab ledges raws li cov neeg ua txhaum cai.
"Cov neeg xa khoom - cov txheej txheem - lawv hollow? Puas yog lub rooj ob txhais ceg hollow?” nws hais.
Yog tias muaj, nws pom zoo kom hloov lawv nrog cov khib nyiab, hais txog zaj dab neeg ntawm tus neeg siv khoom uas nyuam qhuav xaj ib pawg ntawm cov rooj tshiab nrog cov txee, teeb tsa cov ntsia hlau thiab ob txhais ceg hollow.
"Kuv tau kom nws xa lawv rov qab," nws hais. Lub thawv hluav taws xob hluav taws xob tuaj yeem ua cov kab mob microbial niches. "Hauv lub npov vaj huam sib luag, nyob ib puag ncig gaskets, nyob rau hauv thiab ib puag ncig pib / nres khawm thiab kaw thaum muaj xwm txheej ceev - yog tias qee tus neeg ua haujlwm ntawm txoj kab, lawv kov cov khoom, ces kov cov nyees khawm, lub khawm on-off yog cov khoom noj khoom haus, "nws hais.
Txoj kev daws teeb meem? Yooj yim, raws li Hardin.
"Yog tias koj tsis paub meej, rhuav tshem cov khoom siv," nws hais. “Muaj swabs.
"Yog hais tias koj muaj ib yam dab tsi ntsia hlau rau, bolted rau, hlau mus rau hlau - nyob qhov twg cov dej tuaj yeem nkag mus, muab nws sib nrug. Cov no tau tag nrho cov ntaub ntawv sau tseg microbial niches qhov chaw hauv qee cov nroj tsuag. "
Qhov tseeb, kev loj hlob niches yuav tsum tau tsim tawm ntawm lub system lossis tswj raws li ib feem ntawm cov txheej txheem, nws hais.
Yooj yim-tu nta
Cov khoom siv tshiab tsim rau cov khoom tshiab txiav tuaj yeem nqa ib nplooj ntawv los ntawm Hardin phau ntawv.
Rudi Groppe, tus thawj tswj hwm thiab tus thawj coj engineering rau Heinzen Manufacturing International, hais tias cov tshuab tau raug tsim nrog qhib ncej tsim kom tso cai rau "muaj peev xwm tu tag nrho."
Groppe tau hais tias "Txhua qhov kev tsim qauv siv conveyor suav nrog qee hom kev siv huv huv," Groppe tau hais. "Raws li cov txheej txheem txav los ntawm kev pheej hmoo tsawg mus rau qhov muaj kev pheej hmoo siab, peb pom tag nrho cov conveyors nrog ceev-tso tshem tawm kom txo txoj siv tawv nruj, siv lub tshuab nqa kom tso cai rau tus ncej nkag thiab CIP tshuaj tsuag lub tshuab kom txo qis kev siv dej thiab ua haujlwm kom huv. siv."
Cov neeg ua haujlwm kab tuaj yeem txhawb nqa txoj siv sia thiab ntxuav lub cev hauv txhua qhov
"(Yog tias koj muaj) thaj chaw koj tsis tuaj yeem pom lub cev ntawm cov khoom siv, nws nyuaj rau kev lees paub tias koj tau ntxuav nws tiag."
Cov tshuab ntxhua khaub ncaws tam sim no muaj cov hlua khi uas tau tsim los qhib rau kev ua kom huv huv, nws hais tias, thiab qee qhov tsis muaj ob sab. Qee qhov tshiab ntxuav tank conveyors muaj ob sab thiab siv hlua uas tig qhib.
"Tam sim no kev ua cov kav dej thiab cov kav dej tau hloov mus rau 100 feem pua ntawm cov kav dej tsis zoo piv rau cov yeeb nkab PVC, vim tias biofilm yog qhov phom sij rau zaub mov uas yuav tsis ploj mus," Groppe tau hais.
Qee lub sij hawm, cov kav dej no yuav tsum tau muab ntxuav los ntawm kev siv cov dej kub los yog lub voj kaw tshuaj kho mob, thiab "ntau tus neeg siv khoom yuav nyob rau pem hauv ntej ntawm txoj kab nkhaus yog tias qhov no dhau los ua tus txheej txheem huv," nws hais ntxiv.
Kev siv cov tshuab cua tshuab rau kev tu txoj siv yog niaj hnub no, txawm hais tias cov tshuab tshuab ua kom sov uas tsim kom muaj ib puag ncig uas cov kab mob tuaj yeem loj hlob. Heinzen lub tshuab tshuab yog tsim los kom lub impeller tuaj yeem rub tawm ntawm lub tsev kom yooj yim huv.
CombiScale's multi-head scale kuj tau tsim nrog qhib ncej. Lub cuab yeej-tsawg adjustable rotating hopper nyob rau sab saum toj tsuas yog yuav tsum tau tsiv mus rau sab, piv txwv li yuav tsum tau unscrewed thiab muab sib nrug, los ntxuav. Cov khoom siv hluav taws xob tau khaws cia rau hauv lub txee tej thaj chaw deb uas tuaj yeem nyob deb ntawm cov khoom siv.
"Thaum koj ntxuav thiab ntxuav, tsis muaj kev pheej hmoo ntawm dej hauv hluav taws xob vim tias tam sim no cov khoom siv hluav taws xob tuaj yeem txuas mus txog 20 ko taw.
deb, "hais tias Nick Taraborelli, tus lwm thawj ntawm kev muag khoom thiab kev lag luam rau CombiScale. "Qhov ntawd yog qhov txiaj ntsig loj hauv qhov chaw huv, vim tias koj tus yeeb ncuab phem tshaj yog dej nkag mus rau hauv koj lub tshuab hluav taws xob."
Nrog rau kev loj hlob Taraborelli tau hais tias nws lub tuam txhab tau pom hauv kev lag luam txiav tshiab, cov cuab yeej tsim los rau ntim cov khoom noj txom ncauj qhuav yuav nyuaj dua los ntxuav thaum siv cov ntawv txiav tshiab.
"Kuv xav hais tias hauv kev lag luam tsim khoom, peb feem ntau sib tw nrog cov yam ntxwv," Taraborelli tau hais. "Hauv kev lag luam khoom noj txom ncauj, vim tias lawv tsis ntxuav lawv cov tshuab xws li kev lag luam txiav tshiab (yuav tsum tau), cov yam ntxwv no feem ntau tsis quav ntsej, thaum nyob rau hauv kev lag luam tsim khoom, kev tu yog qhov tseem ceeb heev.
"USDA tau tsom mus rau kev ua kom cov tuam txhab mus rau tus qauv siab dua."