Zipangizo zotsekera ma valve ndizofunikira kwambiri pakuwonetsetsa chitetezo cha kuntchito, makamaka m'mafakitale omwe amakhudzidwa ndi kutulutsa mphamvu zowopsa. Chochitika chimodzi chodziwika bwino chomwe chinawonetsa kufunika kwa zidazi chinachitika mu 2005 pamalo opangira mankhwala ku Texas. Vavu inatsegulidwa mosadziwa panthawi yokonza nthawi zonse, zomwe zimapangitsa kuti mpweya wapoizoni utuluke komanso kuphulika koopsa. Chochitikachi chikuwonetsa kufunikira kwa ma protocol a robust lockout/tagout (LOTO) kuti ateteze makina ndi makina osaloledwa kapena mwangozi. Poganizira izi, tiyeni tiwone kuti zida zotsekera ma valve ndi chiyani, momwe angagwiritsire ntchito, komanso chifukwa chake ndizofunikira.
Zida zotsekera ma valve ndizofunikira kwambiri powonetsetsa kuti makina ndi zida zimakhalabe zopanda mphamvu panthawi yokonza ndi kukonza. Mwa kutseka valavu m'malo mwake, zidazi zimalepheretsa kutulutsa mphamvu zowopsa mwangozi, kuteteza ogwira ntchito kuvulazidwa.
Kodi Zida za Valve Lockout ndi ziti?
Zipangizo zotsekera ma valve ndi njira zotetezera zomwe zimapangidwira kuti zizipatula magwero amagetsi kuti zitsimikizire kuti makina ndi zida sizingatsegulidwe pamene kukonzanso kapena kukonza zikuchitika. Zipangizozi zimabwera m'njira zosiyanasiyana ndipo zimagwiritsidwa ntchito m'mafakitale pomwe kutulutsa mphamvu zowopsa mosayembekezereka kumatha kubweretsa ngozi zazikulu. Mitundu yodziwika bwino imaphatikizapo zotsekera ma valve a mpira, zotsekera ma valve a pachipata, ndi zotsekera ma valve a butterfly.
Cholinga chachikulu cha zida zotsekera ma valve ndikupereka chotchinga chakuthupi chomwe chimalepheretsa kusintha kwa valve. Chotchinga ichi chimatsimikizira kuti valve imakhalabe pamalo otetezeka, kaya otseguka kapena otsekedwa, malingana ndi zofunikira za ndondomeko yokonza. Kuphatikiza pa loko yotsekera, zidazi nthawi zambiri zimakhala ndi njira yolembera ma tag yomwe imapereka chidziwitso chofunikira chokhudza malo otsekeredwa, monga dzina la munthu yemwe ali ndi udindo wotseka ndi tsiku lomwe adatsekeredwa.
Mitundu ya Zida za Valve Lockout
Pali mitundu ingapo ya zida zotsekera ma valve, chilichonse chopangidwa kuti chigwirizane ndi masinthidwe ndi ma valve osiyanasiyana. Kumvetsetsa mitundu yosiyanasiyana kungathandize posankha chipangizo choyenera pazosowa zenizeni:
Kutsekera kwa Valve ya Mpira
Zotsekera valavu za mpira zimapangidwa kuti zigwirizane ndi mavavu a mpira, zomwe zimalepheretsa chogwiriracho kuti chisatembenuzidwe. Zotsekerazi nthawi zambiri zimasinthidwa kuti zigwirizane ndi makulidwe osiyanasiyana. Amagwiritsidwa ntchito kwambiri chifukwa ma valve a mpira amapezeka m'mafakitale ambiri.
Chipangizocho chimagwira ntchito poyika chogwiriracho mu chivundikiro chotetezera chomwe chimatetezedwa ndi loko. Ogwira ntchito ovomerezeka okha omwe ali ndi fungulo kapena kuphatikiza akhoza kuchotsa loko, kuonetsetsa kuti valve sichingatsegulidwe kapena kutsekedwa mwangozi. Kutsekera kwamtunduwu kumakhala kothandiza kwambiri pakugwiritsa ntchito zamadzimadzi kapena mpweya, pomwe kutsegula mwangozi kumatha kutayikira, kutayikira, kapena kukwera kowopsa.
Nthawi yotumiza: Aug-31-2024