水(shui)壓(ya)(ya)光(guang)面爆破(po)(po)(po)技(ji)術,是在(zai)水(shui)壓(ya)(ya)光(guang)面爆破(po)(po)(po)技(ji)術基礎上(shang)發展起(qi)來(lai)的(de)(de)一項新技(ji)術,其掏(tao)槽(cao)眼、輔助眼裝(zhuang)(zhuang)藥結構和爆破(po)(po)(po)方式與(yu)水(shui)壓(ya)(ya)光(guang)面爆破(po)(po)(po)相同,但(dan)在(zai)周邊(bian)眼中安裝(zhuang)(zhuang)專用(yong)聚(ju)(ju)能(neng)管(guan)裝(zhuang)(zhuang)置替代常(chang)規爆破(po)(po)(po)藥卷和傳爆線,利用(yong)聚(ju)(ju)能(neng)管(guan)產生的(de)(de)粒(li)子射流動(dong)能(neng)、高(gao)壓(ya)(ya)爆破(po)(po)(po)氣(qi)體應(ying)(ying)力(li)及“氣(qi)楔”作用(yong),形(xing)成平整(zheng)圓(yuan)順的(de)(de)開挖輪廓面,對(dui)控(kong)制超欠挖具(ju)有良(liang)好效(xiao)果,有效(xiao)提升(sheng)了隧道施(shi)工質量、進度(du)和經濟效(xiao)益。科學合理地利用(yong)能(neng)源(yuan),提高(gao)能(neng)源(yuan)利用(yong)效(xiao)率(lv),對(dui)節能(neng)減排(pai)也(ye)十分(fen)重要。利用(yong)聚(ju)(ju)能(neng)管(guan)兩(liang)端的(de)(de)水(shui)平開出的(de)(de)聚(ju)(ju)能(neng)槽(cao)產生的(de)(de)聚(ju)(ju)能(neng)射流效(xiao)應(ying)(ying)對(dui)巖石進行破(po)(po)(po)碎。據專家(jia)測算,由于聚(ju)(ju)能(neng)管(guan)兩(liang)端聚(ju)(ju)能(neng)槽(cao)產生的(de)(de)聚(ju)(ju)能(neng)切(qie)割效(xiao)應(ying)(ying),其能(neng)效(xiao)比提升(sheng)一個量級。
爆破聚能管公司給大家介紹下爆破聚能管的技術原理∶炸藥爆炸產生的爆轟波通過聚能管的聚能槽,將炸藥的動能、勢能轉換成高壓、高速、高能的射流,切割演示成縫。專業爆破聚能管射流(liu)(liu)在(zai)(zai)孔(kong)壁產生(sheng)射流(liu)(liu)壓(ya)力達7000MPa,巖石(shi)動載抗壓(ya)強度為200MPa,抗拉為1/8~1/10的抗壓(ya)強度,相鄰兩(liang)炮孔(kong)互為鄰空面(mian),疊加后的壓(ya)縮波變為稀(xi)疏波,在(zai)(zai)兩(liang)炮眼(yan)連(lian)線上使巖石(shi)結構斷裂(lie),形(xing)成裂(lie)紋。準靜(jing)態(tai)氣體膨脹,靜(jing)態(tai)壓(ya)力在(zai)(zai)兩(liang)炮孔(kong)最短連(lian)線兩(liang)側產生(sheng)拉力使巖石(shi)裂(lie)縫進(jin)一步擴展(zhan)。根據爆破應力集中氣刃作(zuo)用原則,爆破氣體沿(yan)裂(lie)縫進(jin)一步擴大貫通,拋落(luo)巖石(shi)。
采用一種抗靜電阻燃(ran)的(de)(de)特種塑料(liao)(liao)管(guan)(guan)(guan)、異形雙槽聚能(neng)管(guan)(guan)(guan),根據炮(pao)眼(yan)深度(du)可長可短(duan)(duan)。是兩(liang)個(ge)相(xiang)似半壁管(guan)(guan)(guan)組成(cheng)(cheng)(cheng),半壁管(guan)(guan)(guan)中央有(you)個(ge)凹進去的(de)(de)槽叫做'聚能(neng)槽",使用聚能(neng)管(guan)(guan)(guan)光面爆(bao)(bao)(bao)破(po)(po)成(cheng)(cheng)(cheng)型效果好,開挖(wa)(wa)輪廓線(xian)平順整(zheng)齊,圍巖擾動減少(shao)、超欠挖(wa)(wa)明(ming)顯(xian)改善,有(you)利于(yu)支護工(gong)(gong)序施工(gong)(gong),同時混凝土(tu)回填成(cheng)(cheng)(cheng)本(ben)大(da)(da)為(wei)降(jiang)低。鑿孔率(lv)減少(shao)30%,大(da)(da)大(da)(da)降(jiang)低了爆(bao)(bao)(bao)破(po)(po)作業(ye)工(gong)(gong)班(ban)的(de)(de)勞動量:鉆(zhan)孔縮短(duan)(duan)30分(fen)鐘、少(shao)打眼(yan)、出(chu)渣量減少(shao),降(jiang)低了材料(liao)(liao)成(cheng)(cheng)(cheng)本(ben)、減少(shao)工(gong)(gong)時消耗、勞動效率(lv)明(ming)顯(xian)提高(gao),周邊眼(yan)爆(bao)(bao)(bao)破(po)(po)成(cheng)(cheng)(cheng)本(ben)降(jiang)低30%以上,半眼(yan)痕保留率(lv)高(gao)達(da)85%以上。pvc爆(bao)(bao)(bao)破(po)(po)聚能(neng)管(guan)(guan)(guan)主要(yao)應用于(yu)隧道、煤礦、鐵礦等需要(yao)進行光面爆(bao)(bao)(bao)破(po)(po)施工(gong)(gong)的(de)(de)工(gong)(gong)程。采用聚能(neng)管(guan)(guan)(guan)的(de)(de)光面爆(bao)(bao)(bao)破(po)(po)可減少(shao)鉆(zhan)孔,擴(kuo)大(da)(da)孔距,減少(shao)導爆(bao)(bao)(bao)管(guan)(guan)(guan)用量,減少(shao)超挖(wa)(wa),減少(shao)噴漿,提高(gao)半孔率(lv),既節省了成(cheng)(cheng)(cheng)本(ben)又提高(gao)了施工(gong)(gong)效率(lv)。
火(huo)索(suo)(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa),導(dao)火(huo)索(suo)(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)是利用(yong)(yong)(yong)導(dao)火(huo)索(suo)(suo)傳(chuan)遞火(huo)焰點燃(ran)火(huo)雷(lei)管(guan)進而起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)炸藥(yao)。這種起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)所需(xu)(xu)的(de)(de)(de)材(cai)料有(you)(you):導(dao)火(huo)索(suo)(suo)、火(huo)雷(lei)管(guan)和(he)(he)點火(huo)材(cai)料。導(dao)火(huo)索(suo)(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)操(cao)作簡(jian)單、靈活,使用(yong)(yong)(yong)方便,成本(ben)較低(di),廣(guang)泛應用(yong)(yong)(yong)于小型爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)和(he)(he)掘進。由于導(dao)火(huo)索(suo)(suo)的(de)(de)(de)速燃(ran)、緩(huan)燃(ran)等(deng)弊(bi)病,在爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)中(zhong)事故(gu)所占比重最大。不能(neng)(neng)多處裝藥(yao)同時起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)。導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa),用(yong)(yong)(yong)導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)直接起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)炸藥(yao)包的(de)(de)(de)方法(fa)叫導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)。先用(yong)(yong)(yong)雷(lei)管(guan)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo),當(dang)導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)的(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)轟波傳(chuan)至炸藥(yao)包時,將炸藥(yao)引(yin)爆(bao)(bao)(bao)(bao)(bao)(bao)。在需(xu)(xu)要(yao)延時分(fen)(fen)(fen)段(duan)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)的(de)(de)(de)地方,將導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)中(zhong)接入繼爆(bao)(bao)(bao)(bao)(bao)(bao)管(guan),就能(neng)(neng)達到導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)毫秒爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)的(de)(de)(de)目的(de)(de)(de)。這種爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)法(fa)所需(xu)(xu)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)材(cai)料有(you)(you):雷(lei)管(guan)、導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)和(he)(he)繼爆(bao)(bao)(bao)(bao)(bao)(bao)管(guan)等(deng)。導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)網(wang)路常用(yong)(yong)(yong)的(de)(de)(de)有(you)(you):串聯(lian)(lian)、簇并(bing)聯(lian)(lian)、單向(xiang)(xiang)分(fen)(fen)(fen)段(duan)并(bing)聯(lian)(lian)和(he)(he)雙向(xiang)(xiang)分(fen)(fen)(fen)段(duan)并(bing)聯(lian)(lian)等(deng)。
的(de)軍事(shi)應(ying)(ying)用(yong):聚(ju)(ju)能爆破(po)(po)技術(shu)(shu),早在二(er)次世(shi)界大戰(zhan)期間就(jiu)在軍事(shi)方面(mian)廣泛應(ying)(ying)用(yong)。國(guo)內在聚(ju)(ju)能破(po)(po)甲技術(shu)(shu)如大錐(zhui)角反(fan)艦(jian)導彈戰(zhan)斗部和大錐(zhui)角反(fan)坦克地雷以及敏(min)感彈戰(zhan)斗部等方面(mian)取得(de)了較(jiao)為快速的(de)發展,我國(guo)20世(shi)紀60年代打破(po)(po)國(guo)外技術(shu)(shu)封鎖(suo)獨立自主(zhu)研發成功原(yuan)子彈就(jiu)是(shi)得(de)力(li)于(yu)聚(ju)(ju)能爆破(po)(po)技術(shu)(shu)轟擊核裝置而(er)引(yin)爆原(yuan)子彈。的(de)民爆應(ying)(ying)用(yong)——切(qie)槽爆破(po)(po)技術(shu)(shu):聚(ju)(ju)能爆破(po)(po)用(yong)于(yu)工(gong)程建設也是(shi)20世(shi)紀60年代開始的(de),首先是(shi)瑞典的(de)U﹒Langefors提出孔壁(bi)切(qie)槽爆破(po)(po)利用(yong)槽口應(ying)(ying)力(li)集中定向開裂的(de)設想,后(hou)經(jing)W﹒L﹒Fourney驗證(zheng)是(shi)有效的(de)。70年代國(guo)外廣泛研究(jiu)和應(ying)(ying)用(yong)了切(qie)槽爆破(po)(po)技術(shu)(shu)。
聚能(neng)(neng)(neng)(neng)包由炸(zha)(zha)、形(xing)(xing)(xing)罩(zhao)(zhao)、隔板、殼體(ti)、引信和(he)(he)(he)(he)支架等部分組成(cheng),其作用(yong)及(ji)對聚能(neng)(neng)(neng)(neng)包威(wei)力(li)的(de)(de)(de)影響分述如(ru)下。1.炸(zha)(zha),炸(zha)(zha)是(shi)聚能(neng)(neng)(neng)(neng)管(guan)爆(bao)破的(de)(de)(de)能(neng)(neng)(neng)(neng)源(yuan),炸(zha)(zha)的(de)(de)(de)爆(bao)壓越大(da),聚能(neng)(neng)(neng)(neng)彈威(wei)力(li)越大(da);為(wei)得(de)到高(gao)爆(bao)壓,需高(gao)爆(bao)速、高(gao)密(mi)度的(de)(de)(de)炸(zha)(zha)。常(chang)用(yong)炸(zha)(zha)有梯(ti)恩梯(ti)、8321炸(zha)(zha)等,裝(zhuang)方法有熔鑄,塑(su)裝(zhuang)和(he)(he)(he)(he)壓裝(zhuang)多(duo)種(zhong)(zhong)(zhong)。2.型(xing)(xing)(xing)罩(zhao)(zhao),型(xing)(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)作用(yong)是(shi)把炸(zha)(zha)的(de)(de)(de)爆(bao)炸(zha)(zha)能(neng)(neng)(neng)(neng)轉化成(cheng)罩(zhao)(zhao)體(ti)材料的(de)(de)(de)射(she)流動能(neng)(neng)(neng)(neng),從而提(ti)高(gao)其穿透(tou)和(he)(he)(he)(he)切割能(neng)(neng)(neng)(neng)力(li)。型(xing)(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)材料必(bi)須(xu)滿足四點(dian)要求,即可(ke)壓縮(suo)性(xing)小、密(mi)度高(gao)、塑(su)性(xing)和(he)(he)(he)(he)延展性(xing)好,在(zai)(zai)(zai)形(xing)(xing)(xing)成(cheng)射(she)流中(zhong)(zhong)(zhong)不汽(qi)化。大(da)量試驗證明,用(yong)紫銅制作型(xing)(xing)(xing)罩(zhao)(zhao)效(xiao)果好,其次(ci)為(wei)鑄鐵、鋼和(he)(he)(he)(he)陶瓷(ci)。型(xing)(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)形(xing)(xing)(xing)狀多(duo)種(zhong)(zhong)(zhong)多(duo)樣,主要有軸對稱型(xing)(xing)(xing),如(ru)圓錐形(xing)(xing)(xing)、半球(qiu)(qiu)形(xing)(xing)(xing)、拋物線形(xing)(xing)(xing)和(he)(he)(he)(he)喇(la)叭形(xing)(xing)(xing)等;面對稱型(xing)(xing)(xing),常(chang)見(jian)的(de)(de)(de)有用(yong)于(yu)切割屬板材的(de)(de)(de)直(zhi)線形(xing)(xing)(xing)和(he)(he)(he)(he)用(yong)于(yu)切割管(guan)材的(de)(de)(de)環形(xing)(xing)(xing)聚能(neng)(neng)(neng)(neng)罩(zhao)(zhao)兩種(zhong)(zhong)(zhong);中(zhong)(zhong)(zhong)心(xin)(xin)對稱型(xing)(xing)(xing),這種(zhong)(zhong)(zhong)球(qiu)(qiu)形(xing)(xing)(xing)聚能(neng)(neng)(neng)(neng)包,中(zhong)(zhong)(zhong)心(xin)(xin)有球(qiu)(qiu)形(xing)(xing)(xing)空腔和(he)(he)(he)(he)球(qiu)(qiu)形(xing)(xing)(xing)罩(zhao)(zhao),球(qiu)(qiu)形(xing)(xing)(xing)罩(zhao)(zhao)外敷設炸(zha)(zha),若能(neng)(neng)(neng)(neng)在(zai)(zai)(zai)瞬(shun)間同時起爆(bao),可(ke)在(zai)(zai)(zai)空腔中(zhong)(zhong)(zhong)心(xin)(xin)點(dian)獲得(de)極大(da)的(de)(de)(de)能(neng)(neng)(neng)(neng)量集中(zhong)(zhong)(zhong)。在(zai)(zai)(zai)工(gong)程中(zhong)(zhong)(zhong)常(chang)用(yong)的(de)(de)(de)是(shi)軸對稱型(xing)(xing)(xing)和(he)(he)(he)(he)面對稱型(xing)(xing)(xing)兩類型(xing)(xing)(xing)罩(zhao)(zhao)。