ExplosioninXianheindirectroleintheexplosionofregionalDianreDaiandDianreDaiconnectedtoincreasetheuseofDianreDailengthoronthesamepipelinewiththesamewithdifferentvoltagepoweramongthethreechannelsDianreDaiandthebifurcation,Andothermorecomplicatedoccasions.IthasSZH-explosion-proofstraightjunctionbox(commonlyknownas Two- ),STH-explosion-proofstraightjunctionbox(commonlyknownasthe threelinks )intwoforms,allofthemby byan explosion-proofelectricaldesignandmanufacture.Explosionsigns eⅡT4 ,andaftersupportingDianreDaiapplytothefactorydistrict,theareaexplodedgasmixturesT4groupplacesuse.Shellforitshigh-strengthplastic.SZHbythestraight-typejunctionboxSTHbythetypeofT-junctionbox、Maintechnicalperformanceb.Shallpreventtheinstallationofelectricwire,andcoppercore,weavingbetweenthelinesandtoensurethatshort-circuitthenormalelectricalspace.c.DianreDaimodelsshouldbeattachedtotheappropriatechoiceofring,notfreetochangetoensurethattheexplosion-proofperformance.d.Donothavethelineintotheholemustbeattachedtotheplateblocked,soastoensurethatanti-explosiveperformance.