專用爆破聚能管聚能包由炸、形罩、隔板、殼體、引信和支架等部分組成,其作用及對聚能包威力的影響分述如下。1.炸,炸是聚能管爆破的能源,炸的爆壓越大,聚能彈威力越大;為得到高爆壓,需高爆速、高密度的炸。常用炸有梯恩梯、8321炸等,裝方法有熔鑄,塑裝和壓裝多種。2.型罩,型罩的作用是把炸的爆炸能轉化成罩體材料的射流動能,從而提高其穿透和切割能力。爆破聚能管價格型(xing)(xing)罩(zhao)(zhao)的(de)(de)材料(liao)必須滿足四(si)點(dian)要求,即(ji)可壓縮性小、密度高(gao)、塑性和(he)延展性好(hao),在(zai)形(xing)成(cheng)射流中(zhong)不汽化。大(da)量試(shi)驗證明,用(yong)(yong)紫銅制作型(xing)(xing)罩(zhao)(zhao)效果好(hao),其(qi)次為鑄鐵、鋼和(he)陶瓷。型(xing)(xing)罩(zhao)(zhao)的(de)(de)形(xing)狀多種多樣,主要有(you)軸(zhou)(zhou)對稱(cheng)型(xing)(xing),如圓錐(zhui)形(xing)、半球形(xing)、拋物線形(xing)和(he)喇叭(ba)形(xing)等;面對稱(cheng)型(xing)(xing),常見的(de)(de)有(you)用(yong)(yong)于(yu)切割(ge)(ge)屬板材的(de)(de)直線形(xing)和(he)用(yong)(yong)于(yu)切割(ge)(ge)管材的(de)(de)環形(xing)聚能(neng)罩(zhao)(zhao)兩種;中(zhong)心對稱(cheng)型(xing)(xing),這種球形(xing)聚能(neng)包,中(zhong)心有(you)球形(xing)空(kong)腔(qiang)和(he)球形(xing)罩(zhao)(zhao),球形(xing)罩(zhao)(zhao)外敷(fu)設炸,若能(neng)在(zai)瞬間同(tong)時起(qi)爆,可在(zai)空(kong)腔(qiang)中(zhong)心點(dian)獲得極大(da)的(de)(de)能(neng)量集中(zhong)。在(zai)工程中(zhong)常用(yong)(yong)的(de)(de)是(shi)軸(zhou)(zhou)對稱(cheng)型(xing)(xing)和(he)面對稱(cheng)型(xing)(xing)兩類型(xing)(xing)罩(zhao)(zhao)。
對(dui)于爆(bao)破作(zuo)業安(an)(an)全(quan)(quan)技術的(de)(de)(de)(de)(de)研(yan)究,是(shi)(shi)(shi)(shi)(shi)(shi)從(cong)(cong)兩(liang)個(ge)方面(mian)去考慮的(de)(de)(de)(de)(de),一(yi)(yi)(yi)方面(mian)是(shi)(shi)(shi)(shi)(shi)(shi)炸和(he)起爆(bao)器材以(yi)及對(dui)其爆(bao)炸所造成的(de)(de)(de)(de)(de)破壞作(zuo)用進行(xing)限制的(de)(de)(de)(de)(de)安(an)(an)全(quan)(quan)技術,這是(shi)(shi)(shi)(shi)(shi)(shi)主(zhu)動(dong)的(de)(de)(de)(de)(de)。另一(yi)(yi)(yi)個(ge)方面(mian)是(shi)(shi)(shi)(shi)(shi)(shi)對(dui)爆(bao)破所產生的(de)(de)(de)(de)(de)危害采取的(de)(de)(de)(de)(de)防(fang)護(hu)措施,這是(shi)(shi)(shi)(shi)(shi)(shi)被動(dong)的(de)(de)(de)(de)(de)一(yi)(yi)(yi)個(ge)方面(mian)。兩(liang)者對(dui)阻(zu)止爆(bao)破帶來的(de)(de)(de)(de)(de)破壞性有(you)同(tong)樣的(de)(de)(de)(de)(de)重要性,但在具體的(de)(de)(de)(de)(de)爆(bao)破工(gong)程(cheng)中(zhong)(zhong),則(ze)常常會有(you)變(bian)化不定的(de)(de)(de)(de)(de)現(xian)象和(he)后果,因此,必須對(dui)每一(yi)(yi)(yi)項工(gong)程(cheng)破壞的(de)(de)(de)(de)(de)具體情況作(zuo)細致的(de)(de)(de)(de)(de)分(fen)析研(yan)究,從(cong)(cong)而(er)采取適當的(de)(de)(de)(de)(de)對(dui)策。同(tong)時(shi),雖然技術不斷取得進步(bu),須在操作(zuo)過(guo)程(cheng)中(zhong)(zhong)注意每個(ge)工(gong)序,按照(zhao)安(an)(an)全(quan)(quan)規(gui)程(cheng)認真作(zuo)業。只(zhi)要嚴(yan)格遵守安(an)(an)全(quan)(quan)規(gui)程(cheng)、正確(que)地采取安(an)(an)全(quan)(quan)技術措施和(he)防(fang)護(hu)措施,任何規(gui)模、任何種類的(de)(de)(de)(de)(de)爆(bao)破是(shi)(shi)(shi)(shi)(shi)(shi)可以(yi)確(que)保安(an)(an)全(quan)(quan)的(de)(de)(de)(de)(de)。一(yi)(yi)(yi)些安(an)(an)全(quan)(quan)規(gui)定的(de)(de)(de)(de)(de)條(tiao)文是(shi)(shi)(shi)(shi)(shi)(shi)有(you)經驗(yan)教訓和(he)理(li)論(lun)根(gen)據的(de)(de)(de)(de)(de),有(you)的(de)(de)(de)(de)(de)甚至是(shi)(shi)(shi)(shi)(shi)(shi)血的(de)(de)(de)(de)(de)教訓的(de)(de)(de)(de)(de)總(zong)結,所以(yi)一(yi)(yi)(yi)定要克服麻痹思(si)想,嚴(yan)格執行(xing)安(an)(an)全(quan)(quan)規(gui)定,決不能以(yi)沒出過(guo)事故(gu)而(er)輕率地"突(tu)破"規(gui)定的(de)(de)(de)(de)(de)"框框"。
在(zai)工程爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong),常用的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方(fang)(fang)法(fa)有:電(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導火索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)。電(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)是(shi)(shi)利用電(dian)(dian)能使雷管(guan)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha),進而起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)藥的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)芳法(fa)。它所需的(de)(de)(de)器(qi)材有:電(dian)(dian)雷管(guan)、導線(xian)和起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)源。電(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)網(wang)路(lu)的(de)(de)(de)連接形式,要(yao)(yao)根據爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破方(fang)(fang)法(fa)、爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破規模、工程的(de)(de)(de)重要(yao)(yao)性、所選起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)源及其起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)能力等(deng)進行選擇,基(ji)本連接方(fang)(fang)式有:串(chuan)聯(lian)、并聯(lian)、串(chuan)并聯(lian)和并串(chuan)聯(lian)等(deng)。電(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)具有較安全、可(ke)靠、準確(que)、高效等(deng)優點,在(zai)國(guo)內外仍(reng)占有較大(da)比重。在(zai)大(da)、中(zhong)型爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong),主要(yao)(yao)仍(reng)是(shi)(shi)用電(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)。特別是(shi)(shi)在(zai)有瓦(wa)斯(si)、礦塵(chen)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)的(de)(de)(de)環(huan)境中(zhong),電(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)是(shi)(shi)主要(yao)(yao)的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方(fang)(fang)法(fa)。但電(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)容(rong)易受(shou)各種(zhong)電(dian)(dian)信(xin)號的(de)(de)(de)干擾而發生早爆(bao)(bao)(bao)(bao)(bao)(bao)(bao),因此在(zai)有雜散電(dian)(dian)、靜(jing)電(dian)(dian)、雷電(dian)(dian)、射頻電(dian)(dian)、高壓感應電(dian)(dian)的(de)(de)(de)環(huan)境中(zhong),不能使用普通(tong)電(dian)(dian)雷管(guan)。
在(zai)(zai)鐵(tie)路(lu)、礦山(shan)、水(shui)庫等(deng)大型工程中,爆破(po)技術(shu)(shu)的(de)作用(yong)(yong)(yong)很關鍵很重(zhong)(zhong)要(yao)。采(cai)礦修路(lu)的(de)開山(shan)挖隧(sui)(sui)道,城市(shi)對舊建(jian)筑(zhu)物(wu)的(de)拆除(chu),都會用(yong)(yong)(yong)到(dao)爆破(po)技術(shu)(shu)。隨著經濟的(de)發(fa)展、工程建(jian)設的(de)增多(duo),爆破(po)引起(qi)了(le)人們更多(duo)的(de)關注。爆破(po)聚能管作為(wei)一(yi)種科學(xue)技術(shu)(shu),應用(yong)(yong)(yong)很廣,但(dan)在(zai)(zai)工程上(shang)(shang)的(de)應用(yong)(yong)(yong)無(wu)疑是(shi)(shi)(shi)重(zhong)(zhong)要(yao)、常見的(de),采(cai)礦開山(shan),修鐵(tie)路(lu)、公路(lu)用(yong)(yong)(yong)鉆爆法(fa)來開掘隧(sui)(sui)道,水(shui)利工程上(shang)(shang)也用(yong)(yong)(yong)一(yi)些(xie),城市(shi)里面也使(shi)用(yong)(yong)(yong)了(le),拆除(chu)樓房。利用(yong)(yong)(yong)炸爆炸產生(sheng)的(de)巨大能量破(po)壞某種物(wu)體的(de)原結(jie)構,這(zhe)種"破(po)壞"效(xiao)果不是(shi)(shi)(shi)其他方法(fa)能代替的(de),它雖然不是(shi)(shi)(shi)獨立完成一(yi)個工程,但(dan)卻是(shi)(shi)(shi)一(yi)個重(zhong)(zhong)要(yao)的(de)工序,特別是(shi)(shi)(shi)石方開挖、礦山(shan)開采(cai)等(deng)工程缺少了(le)這(zhe)個工序還不行。中國目前有發(fa)達的(de)鐵(tie)路(lu)和公路(lu)交通(tong)網,可以想象,當(dang)初(chu)在(zai)(zai)修這(zhe)些(xie)路(lu)的(de)時候會遇到(dao)許多(duo)高山(shan)峻嶺,一(yi)座大山(shan)橫在(zai)(zai)兩地(di)之間,想要(yao)修路(lu),就必須讓這(zhe)座山(shan)消失,這(zhe)個時候聚能管爆破(po)就起(qi)到(dao)決定性(xing)作用(yong)(yong)(yong)了(le)。
的軍事應(ying)(ying)用(yong)(yong):聚能(neng)爆(bao)破(po)技術(shu),早在(zai)(zai)二次世(shi)界大戰(zhan)期(qi)間就在(zai)(zai)軍事方(fang)面(mian)廣泛應(ying)(ying)用(yong)(yong)。國(guo)內在(zai)(zai)聚能(neng)破(po)甲技術(shu)如大錐角(jiao)反(fan)(fan)艦導彈(dan)戰(zhan)斗(dou)部和大錐角(jiao)反(fan)(fan)坦克地(di)雷以及(ji)敏(min)感彈(dan)戰(zhan)斗(dou)部等方(fang)面(mian)取得(de)了較為快速(su)的發展,我國(guo)20世(shi)紀60年(nian)(nian)代打破(po)國(guo)外技術(shu)封(feng)鎖獨(du)立自主研(yan)發成功原子彈(dan)就是(shi)得(de)力于聚能(neng)爆(bao)破(po)技術(shu)轟擊核裝置而引爆(bao)原子彈(dan)。的民爆(bao)應(ying)(ying)用(yong)(yong)——切槽爆(bao)破(po)技術(shu):聚能(neng)爆(bao)破(po)用(yong)(yong)于工程建設(she)也是(shi)20世(shi)紀60年(nian)(nian)代開始的,首(shou)先是(shi)瑞(rui)典(dian)的U﹒Langefors提(ti)出孔壁切槽爆(bao)破(po)利用(yong)(yong)槽口(kou)應(ying)(ying)力集中定向開裂的設(she)想,后經W﹒L﹒Fourney驗證是(shi)有(you)效的。70年(nian)(nian)代國(guo)外廣泛研(yan)究和應(ying)(ying)用(yong)(yong)了切槽爆(bao)破(po)技術(shu)。
我國20世紀60年(nian)代(dai)(dai)(dai)利用(yong)斷裂(lie)力學對(dui)巖石損傷(shang)引起的(de)(de)(de)裂(lie)紋擴(kuo)展進行過(guo)試驗(yan)研究(jiu),為(wei)聚能(neng)(neng)(neng)爆破(po)技(ji)術(shu)(shu)應(ying)用(yong)到工(gong)(gong)程做了(le)不少理論分析,也取(qu)得一些進展。80年(nian)代(dai)(dai)(dai)中(zhong)期開始進行應(ying)用(yong)研究(jiu),以北京(jing)礦(kuang)業學院為(wei)代(dai)(dai)(dai)表,著(zhu)重研究(jiu)了(le)聚能(neng)(neng)(neng)藥包切割饑理和(he)應(ying)用(yong)。1987年(nian)淮(huai)南(nan)礦(kuang)業學院取(qu)得“雙(shuang)面切割器”的(de)(de)(de)zhuanli,1995年(nian)又(you)取(qu)得“大理石花(hua)崗巖切割技(ji)術(shu)(shu)應(ying)用(yong)”zhuanli。1991年(nian)中(zhong)國水(shui)電七局曾試圖(tu)采用(yong)硬質(zhi)紙加工(gong)(gong)聚能(neng)(neng)(neng)藥管成(cheng)形聚能(neng)(neng)(neng)藥卷做過(guo)聚能(neng)(neng)(neng)預裂(lie)爆破(po)試驗(yan)研究(jiu),但(dan)終因當時的(de)(de)(de)技(ji)術(shu)(shu)及工(gong)(gong)藝(yi)水(shui)平的(de)(de)(de)限(xian)制無法用(yong)于正常施(shi)工(gong)(gong),但(dan)是他們開了(le)橢圓雙(shuang)極線性(xing)聚能(neng)(neng)(neng)結構試驗(yan)的(de)(de)(de)先河。雙(shuang)聚能(neng)(neng)(neng)預裂(lie)與光面爆破(po)綜合技(ji)術(shu)(shu)開創輪廓控制爆破(po)新時代(dai)(dai)(dai)。