Chapter3InitiationmaterialsandinitiationmethodsMain content3.1Basicconception3.4MethodofNoneldetonatorinitiation3.2Method of ordinary detonator3.5Methodofelectricinitiationdetonatorinitiation3.3 Method of detonating cord initiation2016/11/9第三章起爆器材与起爆方法
2016/11/9 第三章 起爆器材与起爆方法 2 Main content Chapter 3 Initiation materials and initiation methods 3.1 Basic conception 3.2 Method of ordinary detonator initiation 3.3 Method of detonating cord initiation 3.4 Method of Nonel detonator initiation 3.5 Method of electric detonator initiation
3.1BasicconceptioninitiationpowerAithoughthe explosive belongstotheunstable chemicalsystem, it can detonate only under an certain outside energy,which is called initiation power.Initiation materialsused to initiate the explosive。Type of initiation materials:The initiation materials in blasting engineering including:detonator, safety fuse, detonating cord, Nonel, connector ofNonel, detonating relay and initiation charge, etc.Initiation material （detonators)(detonatingrelayPropagation material of detonationdetonating cord)（safetyfuse、Nonel）2016/11/9第三章起爆器材与起爆方法
2016/11/9 第三章 起爆器材与起爆方法 3 3.1 Basic conception Initiation material（detonators） Propagation material of detonation （safety fuse、Nonel ） The initiation materials in blasting engineering including: detonator, safety fuse, detonating cord, Nonel, connector of Nonel, detonating relay and initiation charge, etc. Type of initiation materials： （detonating relay、 detonating cord） initiation power Although the explosive belongs to the unstable chemical system, it can detonate only under an certain outside energy, which is called initiation power. Initiation materials －－used to initiate the explosive
Industrial detonatorblastingf blasting cap enclosed the primary explosive shelled initiates theexplosive.by its explosion.detonated byignition devicehereare10 grades ofblasting capbased on charge amount,thehigherthe number,the strongerCommon:No.8blasting capand No.6blasting capIngredientPrimaryexplosiveSecondaryexplosiveNo.ofChargeamount/gblastingcapHexogenMercuryTetryl-(orHexogen-Lead azideDDNPTetrylfulminateTNTTNTpassivationhexogen)0.1±0.02No.60.4±0.020.42±0.020.3±0.020.42±0.020.5±0.020.21±0.020.3~0.360.7~0.720.1±0.020.7~0.720.7~0.720.7~0.72No.80.4±0.02±0.020.21±0.02±0.02±0.02±0.02±0.022016/11/9第章起爆器材与起爆力法
2016/11/9 第三章 起爆器材与起爆方法 4 Industrial detonator blasting cap The blasting cap enclosed the primary explosive shelled initiates the explosive by its explosion detonated by ignition device. There are 10 grades of blasting cap based on charge amount, the higher the number, the stronger . Common：No. 8 blasting cap and No.6 blasting cap No. of blasting cap Ingredient Primary explosive Secondary explosive Charge amount/g DDNP Mercury fulminate Lead azide Hexogen (or passivation hexogen) Tetryl HexogenTNT TetrylTNT No. 6 0.3±0.02 0.4±0.02 0.1±0.02 0.21±0.02 0.42±0.02 0.42±0.02 0.5±0.02 — No. 8 0.3~0.36 ±0.02 0.4±0.02 0.1±0.02 0.21±0.02 0.7~0.72 ±0.02 0.7~0.72 ±0.02 0.7~0.72 ±0.02 0.7~0.72 ±0.02
Common blasting capThe common blasting cap in engineering blasting: plain detonator, electric detonatandnon-electricdetonator.Electricdetonator,Electromagneticdetonator,Electronic detonatorInstantaneouselectricdetonator,Second orhalf-second delaydetonator,Millisecond delay detonator(1)aspectoftechnologyconditionTwoaspectrequirements(2)aspectofmanufactureandeconomycondition2016/11/9第三章起爆器材与起爆方法
2016/11/9 第三章 起爆器材与起爆方法 5 Common blasting cap The common blasting cap in engineering blasting: plain detonator, electric detonator and non-electric detonator. Electric detonator, Electromagnetic detonator, Electronic detonator Instantaneous electric detonator, Second or half-second delay detonator, Millisecond delay detonator Two aspect requirements （1）aspect of technology condition （2）aspect of manufacture and economy condition
Classification of initiation methodMethodofexplosiveinitiationMethod of detonatingcord initiationMethod of detonatorinitiationMethod ofplainMethod of NoneldetonatordetonatorMethod ofinitiationinitiationnon-electriMethodofelectricinitiationpowerinitiationMethod of electricMethodofelectronicdetonator initiationdetonatorinitiationMethodofwirelessinitiation第三章起爆器材与起爆方法2016/11/9
2016/11/9 第三章 起爆器材与起爆方法 6 Classification of initiation method Method of plain detonator initiation Method of Nonel detonator initiation Method of electric detonator initiation Method of electronic detonator initiation Method of electric power initiation Method of wireless initiation Method of detonator initiation Method of detonating cord initiation Method of explosive initiation Method of non-electric initiation