專用深孔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。深孔爆破聚能管廠家型(xing)(xing)罩(zhao)的材(cai)料必須滿(man)足四點要求,即可壓縮性小、密度高、塑性和(he)延展性好,在(zai)(zai)形(xing)(xing)(xing)(xing)成射(she)流中不汽(qi)化。大量(liang)試驗證明,用(yong)紫銅制(zhi)作型(xing)(xing)罩(zhao)效果好,其次為鑄鐵、鋼和(he)陶瓷。型(xing)(xing)罩(zhao)的形(xing)(xing)(xing)(xing)狀多種(zhong)多樣,主要有(you)軸對稱(cheng)(cheng)型(xing)(xing),如(ru)圓錐形(xing)(xing)(xing)(xing)、半球(qiu)形(xing)(xing)(xing)(xing)、拋物線形(xing)(xing)(xing)(xing)和(he)喇叭形(xing)(xing)(xing)(xing)等;面對稱(cheng)(cheng)型(xing)(xing),常(chang)(chang)見的有(you)用(yong)于(yu)切割屬板材(cai)的直線形(xing)(xing)(xing)(xing)和(he)用(yong)于(yu)切割管材(cai)的環形(xing)(xing)(xing)(xing)聚能罩(zhao)兩種(zhong);中心對稱(cheng)(cheng)型(xing)(xing),這種(zhong)球(qiu)形(xing)(xing)(xing)(xing)聚能包,中心有(you)球(qiu)形(xing)(xing)(xing)(xing)空腔和(he)球(qiu)形(xing)(xing)(xing)(xing)罩(zhao),球(qiu)形(xing)(xing)(xing)(xing)罩(zhao)外敷設炸,若(ruo)能在(zai)(zai)瞬間(jian)同時起爆(bao),可在(zai)(zai)空腔中心點獲得極(ji)大的能量(liang)集(ji)中。在(zai)(zai)工程(cheng)中常(chang)(chang)用(yong)的是(shi)軸對稱(cheng)(cheng)型(xing)(xing)和(he)面對稱(cheng)(cheng)型(xing)(xing)兩類型(xing)(xing)罩(zhao)。
對于爆(bao)破(po)(po)作業安(an)(an)(an)全(quan)(quan)(quan)技術的(de)(de)(de)(de)(de)(de)(de)研究,是(shi)(shi)從兩個方(fang)面(mian)去考慮的(de)(de)(de)(de)(de)(de)(de),一方(fang)面(mian)是(shi)(shi)炸和(he)(he)起爆(bao)器材以及對其爆(bao)炸所(suo)造成的(de)(de)(de)(de)(de)(de)(de)破(po)(po)壞(huai)作用進行(xing)限(xian)制的(de)(de)(de)(de)(de)(de)(de)安(an)(an)(an)全(quan)(quan)(quan)技術,這(zhe)是(shi)(shi)主(zhu)動的(de)(de)(de)(de)(de)(de)(de)。另(ling)一個方(fang)面(mian)是(shi)(shi)對爆(bao)破(po)(po)所(suo)產(chan)生的(de)(de)(de)(de)(de)(de)(de)危害采取(qu)的(de)(de)(de)(de)(de)(de)(de)防護措施(shi),這(zhe)是(shi)(shi)被動的(de)(de)(de)(de)(de)(de)(de)一個方(fang)面(mian)。兩者對阻止爆(bao)破(po)(po)帶來(lai)的(de)(de)(de)(de)(de)(de)(de)破(po)(po)壞(huai)性有(you)(you)同樣的(de)(de)(de)(de)(de)(de)(de)重要(yao)性,但在具(ju)體的(de)(de)(de)(de)(de)(de)(de)爆(bao)破(po)(po)工(gong)程(cheng)中,則常(chang)常(chang)會有(you)(you)變化不(bu)(bu)(bu)定的(de)(de)(de)(de)(de)(de)(de)現象和(he)(he)后果,因此,必須(xu)對每一項工(gong)程(cheng)破(po)(po)壞(huai)的(de)(de)(de)(de)(de)(de)(de)具(ju)體情況作細致的(de)(de)(de)(de)(de)(de)(de)分析研究,從而(er)采取(qu)適(shi)當的(de)(de)(de)(de)(de)(de)(de)對策(ce)。同時(shi),雖然技術不(bu)(bu)(bu)斷(duan)取(qu)得進步,須(xu)在操作過程(cheng)中注意每個工(gong)序,按照安(an)(an)(an)全(quan)(quan)(quan)規(gui)程(cheng)認(ren)真作業。只要(yao)嚴格遵守安(an)(an)(an)全(quan)(quan)(quan)規(gui)程(cheng)、正確(que)(que)地采取(qu)安(an)(an)(an)全(quan)(quan)(quan)技術措施(shi)和(he)(he)防護措施(shi),任何(he)規(gui)模、任何(he)種類的(de)(de)(de)(de)(de)(de)(de)爆(bao)破(po)(po)是(shi)(shi)可以確(que)(que)保安(an)(an)(an)全(quan)(quan)(quan)的(de)(de)(de)(de)(de)(de)(de)。一些安(an)(an)(an)全(quan)(quan)(quan)規(gui)定的(de)(de)(de)(de)(de)(de)(de)條文是(shi)(shi)有(you)(you)經(jing)驗教訓和(he)(he)理論根據的(de)(de)(de)(de)(de)(de)(de),有(you)(you)的(de)(de)(de)(de)(de)(de)(de)甚至是(shi)(shi)血的(de)(de)(de)(de)(de)(de)(de)教訓的(de)(de)(de)(de)(de)(de)(de)總(zong)結,所(suo)以一定要(yao)克服麻痹(bi)思想(xiang),嚴格執行(xing)安(an)(an)(an)全(quan)(quan)(quan)規(gui)定,決不(bu)(bu)(bu)能以沒出過事故(gu)而(er)輕率地"突破(po)(po)"規(gui)定的(de)(de)(de)(de)(de)(de)(de)"框(kuang)框(kuang)"。
是(shi)由管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)、前(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)(ding)格(ge)帽、后(hou)(hou)(hou)(hou)定(ding)(ding)格(ge)堵(du)(du)(du)構成,管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)為塑性材料制成,呈(cheng)管(guan)(guan)(guan)(guan)狀,管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)徑(jing)(jing)(jing)小于正常炮(pao)眼內徑(jing)(jing)(jing),長度可隨爆破(po)需要生產(chan),管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)兩端各(ge)有(you)(you)外(wai)(wai)螺(luo)紋,兩端外(wai)(wai)螺(luo)紋間有(you)(you)一縱(zong)向(xiang)切(qie)縫,切(qie)縫間等距有(you)(you)加強(qiang)筋(jin),前(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)(ding)格(ge)帽呈(cheng)傘狀,傘形(xing)(xing)尖有(you)(you)一光孔,兩側直壁內徑(jing)(jing)(jing)有(you)(you)螺(luo)紋,與管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)徑(jing)(jing)(jing)前(qian)端螺(luo)紋配合,帽體(ti)(ti)(ti)外(wai)(wai)徑(jing)(jing)(jing)大于管(guan)(guan)(guan)(guan)體(ti)(ti)(ti),后(hou)(hou)(hou)(hou)定(ding)(ding)格(ge)堵(du)(du)(du)為一封蓋,外(wai)(wai)徑(jing)(jing)(jing)直徑(jing)(jing)(jing)大于管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)徑(jing)(jing)(jing),與前(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)(ding)格(ge)帽外(wai)(wai)徑(jing)(jing)(jing)一致,后(hou)(hou)(hou)(hou)定(ding)(ding)格(ge)堵(du)(du)(du)內徑(jing)(jing)(jing)有(you)(you)螺(luo)紋,與管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)外(wai)(wai)徑(jing)(jing)(jing)后(hou)(hou)(hou)(hou)端螺(luo)紋配合。可根據炮(pao)眼深度采用合適的聚能(neng)管(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti),不需其他工具幫助送入炮(pao)眼,切(qie)縫方向(xiang)準(zhun)(zhun)確,兩端的前(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)(ding)格(ge)帽和后(hou)(hou)(hou)(hou)定(ding)(ding)格(ge)堵(du)(du)(du)外(wai)(wai)徑(jing)(jing)(jing)與炮(pao)眼內徑(jing)(jing)(jing)一致,保(bao)證(zheng)聚能(neng)管(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)同心,定(ding)(ding)向(xiang)準(zhun)(zhun)確。且利(li)于工業(ye)化生產(chan),作業(ye)安全
各種爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)、爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)器(qi)材銷毀以(yi)及爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)器(qi)材意外爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸時(shi),爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)源與人(ren)員(yuan)(yuan)和其他保(bao)護對象之(zhi)間(jian)的(de)(de)(de)安(an)(an)(an)全(quan)(quan)距(ju)離(li)稱為(wei)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)安(an)(an)(an)全(quan)(quan)距(ju)離(li)。爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)安(an)(an)(an)全(quan)(quan)距(ju)離(li)應取各種爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)效應(地(di)震(zhen)、沖(chong)擊波(bo)、飛石、有毒氣體等(deng))分(fen)別核定(ding)的(de)(de)(de)大值(zhi)。爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)時(shi),必(bi)(bi)然產(chan)生爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)地(di)震(zhen)、空(kong)氣沖(chong)擊波(bo)、碎石飛散(san)及有害氣體,因(yin)此(ci),爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)設計(ji)時(shi)必(bi)(bi)須(xu)確定(ding)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)危害范圍,并確定(ding)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)點到附(fu)近(jin)人(ren)員(yuan)(yuan)、設備(bei)、建筑物及井巷等(deng)的(de)(de)(de)安(an)(an)(an)全(quan)(quan),這一段距(ju)離(li)就稱為(wei)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)安(an)(an)(an)全(quan)(quan)距(ju)離(li)。如何(he)控制好這段距(ju)離(li)就顯的(de)(de)(de)尤為(wei)重要。為(wei)保(bao)證爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)安(an)(an)(an)全(quan)(quan),爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)地(di)點與人(ren)員(yuan)(yuan)或其他應保(bao)護對象之(zhi)間(jian)必(bi)(bi)須(xu)保(bao)持短的(de)(de)(de)相(xiang)隔長(chang)度。爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)有害效應隨(sui)距(ju)離(li)的(de)(de)(de)增(zeng)加(jia)有規(gui)律地(di)衰減,用距(ju)離(li)作為(wei)安(an)(an)(an)全(quan)(quan)尺度可限定(ding)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)有害效應在(zai)允許(xu)限度之(zhi)內。中國《爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)安(an)(an)(an)全(quan)(quan)規(gui)程》規(gui)定(ding)了爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)地(di)震(zhen)安(an)(an)(an)全(quan)(quan)距(ju)離(li),個(ge)別飛散(san)物安(an)(an)(an)全(quan)(quan)距(ju)離(li),以(yi)及爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸沖(chong)擊波(bo)的(de)(de)(de)安(an)(an)(an)全(quan)(quan)距(ju)離(li)。