水壓(ya)(ya)光(guang)(guang)面(mian)爆(bao)破(po)(po)(po)技(ji)術(shu),是在(zai)水壓(ya)(ya)光(guang)(guang)面(mian)爆(bao)破(po)(po)(po)技(ji)術(shu)基(ji)礎上發展起來的(de)(de)(de)一(yi)項新技(ji)術(shu),其(qi)掏槽眼(yan)(yan)、輔助眼(yan)(yan)裝藥(yao)(yao)結構(gou)和爆(bao)破(po)(po)(po)方(fang)式與水壓(ya)(ya)光(guang)(guang)面(mian)爆(bao)破(po)(po)(po)相同,但在(zai)周邊(bian)眼(yan)(yan)中(zhong)安裝專用(yong)聚(ju)能(neng)管(guan)裝置替代常規爆(bao)破(po)(po)(po)藥(yao)(yao)卷和傳(chuan)爆(bao)線,利用(yong)聚(ju)能(neng)管(guan)產生的(de)(de)(de)粒子(zi)射流動能(neng)、高壓(ya)(ya)爆(bao)破(po)(po)(po)氣體(ti)應力及“氣楔”作用(yong),形成平整(zheng)圓順的(de)(de)(de)開挖輪廓面(mian),對控制超欠挖具有良好效(xiao)果,有效(xiao)提升(sheng)了隧(sui)道施工質量、進度和經濟(ji)效(xiao)益。科學合理地利用(yong)能(neng)源(yuan),提高能(neng)源(yuan)利用(yong)效(xiao)率,對節能(neng)減排也(ye)十分(fen)重要。利用(yong)聚(ju)能(neng)管(guan)兩端(duan)的(de)(de)(de)水平開出(chu)的(de)(de)(de)聚(ju)能(neng)槽產生的(de)(de)(de)聚(ju)能(neng)射流效(xiao)應對巖石進行破(po)(po)(po)碎。據專家測算,由于聚(ju)能(neng)管(guan)兩端(duan)聚(ju)能(neng)槽產生的(de)(de)(de)聚(ju)能(neng)切割效(xiao)應,其(qi)能(neng)效(xiao)比提升(sheng)一(yi)個量級。
聚能(neng)藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)破(po)碎(sui)(sui)(sui)法(fa)特點是:不(bu)需要(yao)打(da)眼,因而(er)不(bu)需要(yao)購買打(da)眼設備(bei)和動力設備(bei);施工(gong)(gong)(gong)簡單,施工(gong)(gong)(gong)進度比淺眼爆(bao)破(po)法(fa)快(kuai)安全性比普(pu)通淺眼爆(bao)破(po)法(fa)和普(pu)通裸(luo)露藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)法(fa)好;勞動強度比淺眼爆(bao)破(po)法(fa)低。制造聚能(neng)藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)所(suo)采(cai)用(yong)的(de)炸(zha)藥(yao)(yao)(yao)(yao)(yao)有(you):黑索金(jin)和梯恩梯混合熔(rong)鑄型;乳化(hua)油炸(zha)藥(yao)(yao)(yao)(yao)(yao)和黑索金(jin)混裝(zhuang)(zhuang)型和二號巖石硝鉸炸(zha)藥(yao)(yao)(yao)(yao)(yao)壓(ya)制型。根據使用(yong)的(de)結果(guo)(guo)證明,選(xuan)用(yong)密度較(jiao)大和爆(bao)速較(jiao)高的(de)炸(zha)藥(yao)(yao)(yao)(yao)(yao)制造聚能(neng)藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)能(neng)獲得較(jiao)好的(de)破(po)碎(sui)(sui)(sui)效果(guo)(guo)。這主要(yao)是由于它(ta)加工(gong)(gong)(gong)簡單和破(po)碎(sui)(sui)(sui)能(neng)力較(jiao)大。在(zai)(zai)(zai)礦(kuang)山由于二次破(po)碎(sui)(sui)(sui)消耗的(de)藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)較(jiao)多,而(er)且金(jin)屬藥(yao)(yao)(yao)(yao)(yao)型罩的(de)加工(gong)(gong)(gong)費工(gong)(gong)(gong)又費材料,所(suo)以(yi)多不(bu)采(cai)用(yong)藥(yao)(yao)(yao)(yao)(yao)型罩。國內(nei)生產的(de)一種用(yong)于破(po)碎(sui)(sui)(sui)大塊的(de)聚能(neng)藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao),裝(zhuang)(zhuang)置(zhi)聚能(neng)藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)時(shi),要(yao)將藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)垂直裝(zhuang)(zhuang)在(zai)(zai)(zai)大塊的(de)頂(ding)面上,聚能(neng)穴朝下(xia)。藥(yao)(yao)(yao)(yao)(yao)包(bao)(bao)(bao)位(wei)置(zhi)應(ying)選(xuan)在(zai)(zai)(zai)頂(ding)面的(de)幾何中心或附(fu)近較(jiao)平(ping)整(zheng)的(de)地點。然后在(zai)(zai)(zai)上面覆蓋泥沙。
的軍事應(ying)(ying)用(yong):聚能(neng)爆(bao)破(po)(po)(po)技(ji)(ji)術,早在(zai)二次世(shi)界大(da)戰期間就(jiu)在(zai)軍事方面(mian)廣(guang)泛(fan)應(ying)(ying)用(yong)。國內在(zai)聚能(neng)破(po)(po)(po)甲技(ji)(ji)術如大(da)錐(zhui)角(jiao)反(fan)艦(jian)導彈戰斗部(bu)和大(da)錐(zhui)角(jiao)反(fan)坦克地雷以及敏感彈戰斗部(bu)等(deng)方面(mian)取得(de)了較(jiao)為(wei)快速的發展,我國20世(shi)紀(ji)60年代(dai)打破(po)(po)(po)國外技(ji)(ji)術封鎖獨立自主(zhu)研(yan)發成(cheng)功原(yuan)子彈就(jiu)是(shi)得(de)力于聚能(neng)爆(bao)破(po)(po)(po)技(ji)(ji)術轟擊核裝(zhuang)置而引(yin)爆(bao)原(yuan)子彈。的民爆(bao)應(ying)(ying)用(yong)——切(qie)槽爆(bao)破(po)(po)(po)技(ji)(ji)術:聚能(neng)爆(bao)破(po)(po)(po)用(yong)于工程建設也是(shi)20世(shi)紀(ji)60年代(dai)開(kai)始的,首先(xian)是(shi)瑞典的U﹒Langefors提出孔(kong)壁切(qie)槽爆(bao)破(po)(po)(po)利用(yong)槽口應(ying)(ying)力集中(zhong)定向開(kai)裂的設想(xiang),后經W﹒L﹒Fourney驗證是(shi)有(you)效的。70年代(dai)國外廣(guang)泛(fan)研(yan)究和應(ying)(ying)用(yong)了切(qie)槽爆(bao)破(po)(po)(po)技(ji)(ji)術。
在工程(cheng)(cheng)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)中(zhong),常用的(de)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)有:電(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)(dao)火索起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)索起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)管(guan)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)。電(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)是(shi)利(li)用電(dian)(dian)(dian)能使雷(lei)管(guan)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha),進而起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)藥的(de)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)芳法(fa)。它所需的(de)器材有:電(dian)(dian)(dian)雷(lei)管(guan)、導(dao)(dao)線和起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源。電(dian)(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)網路的(de)連接形式(shi),要(yao)(yao)根據爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)方法(fa)、爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)規模(mo)、工程(cheng)(cheng)的(de)重要(yao)(yao)性(xing)、所選起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源及其起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)能力(li)等進行選擇,基本連接方式(shi)有:串聯、并(bing)聯、串并(bing)聯和并(bing)串聯等。電(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)具有較安全、可靠、準確、高(gao)效等優點,在國內外仍占有較大比重。在大、中(zhong)型爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)中(zhong),主要(yao)(yao)仍是(shi)用電(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)。特別(bie)是(shi)在有瓦斯、礦塵爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)的(de)環境中(zhong),電(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)是(shi)主要(yao)(yao)的(de)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)。但電(dian)(dian)(dian)力(li)起爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)容(rong)易受各(ge)種電(dian)(dian)(dian)信號的(de)干擾而發生(sheng)早爆(bao)(bao)(bao)(bao)(bao)(bao)(bao),因此在有雜散電(dian)(dian)(dian)、靜電(dian)(dian)(dian)、雷(lei)電(dian)(dian)(dian)、射頻電(dian)(dian)(dian)、高(gao)壓感應電(dian)(dian)(dian)的(de)環境中(zhong),不(bu)能使用普通電(dian)(dian)(dian)雷(lei)管(guan)。
水壓光面爆破技術基礎上發展起來的一項新技術,其掏槽眼、輔助眼裝藥結構和爆破方式與水壓光面爆破相同,但在周邊眼中安裝專用線性聚能藥管替代常規爆破藥卷和傳爆線,利用線性聚能藥管產生的粒子射流動能、高壓爆破氣體應力及“氣楔”作用,形成平整圓順的開挖輪廓面,對控制超欠挖具有良好效果,有效提升了隧道施工質量、進度和經濟效益。專用礦用型雙向聚能管水壓光面爆破較水壓光面爆破,在周邊眼單循環火工品使用量上節約費用8.3%,周邊眼鉆孔數量從39個下降為23個費用節約41%,混凝土噴射每延米節約1.37立方米。聚能水壓光面爆破比水壓光面爆破每循環節約費用258.4元,即每延米節約76較元,節約費用比例達32%。此外,專用礦用型雙向聚能管聚能(neng)水壓(ya)光面(mian)爆破能(neng)有(you)效降(jiang)低隧道內石(shi)渣(zha)塊(kuai)度和(he)粉塵含量,還可使通風(feng)時間有(you)效縮短33%。
對于爆(bao)(bao)破(po)(po)作(zuo)業安(an)(an)(an)全(quan)(quan)技術(shu)的(de)(de)(de)(de)(de)(de)研究(jiu),是(shi)從兩個方(fang)(fang)面去考慮的(de)(de)(de)(de)(de)(de),一方(fang)(fang)面是(shi)炸(zha)和起爆(bao)(bao)器(qi)材以(yi)(yi)及對其爆(bao)(bao)炸(zha)所(suo)造成的(de)(de)(de)(de)(de)(de)破(po)(po)壞(huai)作(zuo)用進行限制(zhi)的(de)(de)(de)(de)(de)(de)安(an)(an)(an)全(quan)(quan)技術(shu),這(zhe)是(shi)主動(dong)的(de)(de)(de)(de)(de)(de)。另一個方(fang)(fang)面是(shi)對爆(bao)(bao)破(po)(po)所(suo)產生的(de)(de)(de)(de)(de)(de)危害采取(qu)的(de)(de)(de)(de)(de)(de)防護措施,這(zhe)是(shi)被(bei)動(dong)的(de)(de)(de)(de)(de)(de)一個方(fang)(fang)面。兩者對阻止(zhi)爆(bao)(bao)破(po)(po)帶(dai)來的(de)(de)(de)(de)(de)(de)破(po)(po)壞(huai)性(xing)有(you)(you)同樣(yang)的(de)(de)(de)(de)(de)(de)重(zhong)要(yao)(yao)性(xing),但在具體的(de)(de)(de)(de)(de)(de)爆(bao)(bao)破(po)(po)工(gong)程(cheng)(cheng)中,則常(chang)常(chang)會有(you)(you)變化不(bu)定的(de)(de)(de)(de)(de)(de)現象和后果,因此,必須對每一項工(gong)程(cheng)(cheng)破(po)(po)壞(huai)的(de)(de)(de)(de)(de)(de)具體情(qing)況作(zuo)細致的(de)(de)(de)(de)(de)(de)分析研究(jiu),從而采取(qu)適當(dang)的(de)(de)(de)(de)(de)(de)對策。同時,雖(sui)然技術(shu)不(bu)斷取(qu)得進步,須在操作(zuo)過(guo)程(cheng)(cheng)中注意每個工(gong)序,按照安(an)(an)(an)全(quan)(quan)規(gui)(gui)程(cheng)(cheng)認(ren)真(zhen)作(zuo)業。只要(yao)(yao)嚴格(ge)(ge)遵(zun)守安(an)(an)(an)全(quan)(quan)規(gui)(gui)程(cheng)(cheng)、正確地采取(qu)安(an)(an)(an)全(quan)(quan)技術(shu)措施和防護措施,任何(he)規(gui)(gui)模、任何(he)種類的(de)(de)(de)(de)(de)(de)爆(bao)(bao)破(po)(po)是(shi)可以(yi)(yi)確保安(an)(an)(an)全(quan)(quan)的(de)(de)(de)(de)(de)(de)。一些安(an)(an)(an)全(quan)(quan)規(gui)(gui)定的(de)(de)(de)(de)(de)(de)條文是(shi)有(you)(you)經驗教訓(xun)和理論根據的(de)(de)(de)(de)(de)(de),有(you)(you)的(de)(de)(de)(de)(de)(de)甚至是(shi)血的(de)(de)(de)(de)(de)(de)教訓(xun)的(de)(de)(de)(de)(de)(de)總結,所(suo)以(yi)(yi)一定要(yao)(yao)克(ke)服麻(ma)痹(bi)思想,嚴格(ge)(ge)執(zhi)行安(an)(an)(an)全(quan)(quan)規(gui)(gui)定,決不(bu)能(neng)以(yi)(yi)沒出過(guo)事故而輕率地"突破(po)(po)"規(gui)(gui)定的(de)(de)(de)(de)(de)(de)"框框"。