Kev tawg yog qhov hloov pauv tam sim ntawd ntawm ib lub xeev mus rau lwm qhov los ntawm kev hloov pauv ntawm lub cev lossis tshuaj lom neeg, thiab tso tawm lub zog loj. Lub zog tso tawm los ntawm qhov nrawm nrawm yuav ua rau cov khoom nyob ib puag ncig muaj kev cuam tshuam hnyav thiab kev puas tsuaj.
Peb yam xwm txheej rau kev tawg:
1) Cov khoom tawg: cov khoom uas tuaj yeem cuam tshuam nrog oxygen (cua), suav nrog roj, kua thiab khoom. (gas: hydrogen, acetylene, methane, thiab lwm yam; kua: cawv, roj av; khoom: hmoov av, fiber ntau plua plav, thiab lwm yam.)
2) Oxygen: cua.
3) Ignition qhov chaw: suav nrog qhib hluav taws, hluav taws xob spark, mechanical spark, electrostatic spark, kub, tshuaj tiv thaiv, lub teeb lub zog, thiab lwm yam.
Vim li cas tawg-pov thawj
Cov khoom tawg: qee yam khoom siv hluav taws xob yuav raug tsim tawm hauv ntau qhov chaw tsim khoom. Cov khoom tawg muaj nyob rau hauv kwv yees li ob feem peb ntawm cov chaw hauv qab cov thee mine; Hauv kev lag luam tshuaj lom neeg, cov khoom tawg muaj nyob hauv ntau dua 80 feem pua ntawm cov chaw ua haujlwm tsim khoom. Oxygen: oxygen hauv huab cua nyob txhua qhov chaw. Ignition qhov chaw: cov cuab yeej hluav taws xob tau siv dav hauv cov txheej txheem tsim khoom, thiab ntau yam kev sib txhuam sparks, mechanical coj sparks, electrostatic sparks, kub kub, thiab lwm yam yog inevitable, tshwj xeeb tshaj yog thaum cov twj paj nruag thiab hluav taws xob faults tshwm sim. Objectively, ntau qhov chaw ua haujlwm tau ntsib cov xwm txheej tawg. Thaum qhov sib xyaw ua ke ntawm cov khoom tawg thiab cov pa oxygen nyob rau hauv qhov kev txwv tawg, kev tawg yuav tshwm sim yog tias muaj qhov tawg. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau ua cov kev ntsuas tawg.
Cov ntsiab lus nthuav dav ntawm txoj cai:
Lub hauv paus ntsiab lus ntawm hom flameproof yog raws li lub tswv yim tawg-pov thawj thiab hluav taws-pov thawj hom hauv European tus qauv en13463-1: 2002 cov khoom siv tsis yog hluav taws xob rau cov cua tawg Part 1: cov txheej txheem thiab cov cai. Flameproof hom yog hom tawg-pov thawj uas siv cov kev ntsuas kom tso cai rau hauv tawg thiab tiv thaiv cov nplaim hluav taws. Nws yog hom kev tawg-pov thawj feem ntau siv. Raws li lub plhaub ntawm qhov tawg-pov thawj hom teeb no feem ntau yog ua los ntawm cov khoom siv hlau, nws muaj cov cua sov zoo, muaj zog thiab ua haujlwm ntev, thiab nrov heev nrog cov neeg siv. Tsis tas li ntawd, ntau qhov kev ruaj ntseg tawg-pov thawj teeb qhov chaw, xws li cov tuav lub teeb, sib cuam tshuam cov keyboards, thiab lwm yam, kuj tau txais cov qauv flameproof. Cov khoom siv hluav taws xob nrog cov ntaub thaiv npog yog hu ua cov khoom siv hluav taws xob flameproof. Yog tias cov roj sib tov sib xyaw nkag mus rau hauv lub qhov thaiv hluav taws xob thiab hluav taws xob, lub qhov thaiv hluav taws xob tuaj yeem tiv taus qhov tawg siab ntawm cov roj sib tov sib xyaw sab hauv thiab tiv thaiv kev tawg ntawm sab hauv los ntawm kev nthuav tawm mus rau cov khoom tawg nyob ib puag ncig. Qhov no yog lub hauv paus ntsiab lus ntawm qhov sib txawv tawg-pov thawj, uas yog, cov qauv tsim los ntawm lub hauv paus ntsiab lus uas cov hlau khoob tuaj yeem tiv thaiv kev nthuav tawm ntawm cov nplaim hluav taws kub thiab txias qhov kub ntawm cov khoom tawg, yog li kom tua thiab txias cov nplaim taws thiab inhibit qhov nthuav dav ntawm cov khoom tawg. tawg.
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