在(zai)工程爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong)(zhong),常用(yong)的(de)(de)(de)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)方(fang)法(fa)有:電(dian)力(li)(li)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)火索起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)索起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)。電(dian)力(li)(li)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)是利用(yong)電(dian)能(neng)使雷(lei)管(guan)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸,進(jin)而(er)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸藥的(de)(de)(de)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)芳法(fa)。它所(suo)需的(de)(de)(de)器材有:電(dian)雷(lei)管(guan)、導(dao)線和起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)源。電(dian)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)網(wang)路的(de)(de)(de)連(lian)接(jie)形式(shi),要(yao)根據爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破方(fang)法(fa)、爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破規模、工程的(de)(de)(de)重要(yao)性、所(suo)選起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)源及其(qi)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)能(neng)力(li)(li)等(deng)進(jin)行選擇(ze),基本連(lian)接(jie)方(fang)式(shi)有:串聯(lian)、并聯(lian)、串并聯(lian)和并串聯(lian)等(deng)。電(dian)力(li)(li)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)具有較安全(quan)、可靠、準確、高(gao)效等(deng)優(you)點,在(zai)國(guo)內外仍占有較大比重。在(zai)大、中(zhong)(zhong)型爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong)(zhong),主(zhu)要(yao)仍是用(yong)電(dian)力(li)(li)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)。特別是在(zai)有瓦(wa)斯、礦塵爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸的(de)(de)(de)環境中(zhong)(zhong),電(dian)力(li)(li)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)是主(zhu)要(yao)的(de)(de)(de)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)方(fang)法(fa)。但電(dian)力(li)(li)起(qi)(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)容(rong)易受各種電(dian)信號的(de)(de)(de)干擾而(er)發生早爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao),因此(ci)在(zai)有雜散電(dian)、靜電(dian)、雷(lei)電(dian)、射頻電(dian)、高(gao)壓感(gan)應電(dian)的(de)(de)(de)環境中(zhong)(zhong),不能(neng)使用(yong)普通電(dian)雷(lei)管(guan)。
水壓(ya)光(guang)面爆破(po)(po)(po)(po)(po)技術基(ji)礎上(shang)發展(zhan)起來的一項(xiang)新技術,其(qi)掏槽眼(yan)(yan)、輔助眼(yan)(yan)裝(zhuang)藥結構和(he)爆破(po)(po)(po)(po)(po)方(fang)(fang)式(shi)與水壓(ya)光(guang)面爆破(po)(po)(po)(po)(po)相同,但(dan)在周(zhou)邊眼(yan)(yan)中(zhong)安裝(zhuang)專用(yong)線(xian)性聚(ju)(ju)能(neng)(neng)藥管(guan)(guan)替代常規(gui)爆破(po)(po)(po)(po)(po)藥卷和(he)傳爆線(xian),利用(yong)線(xian)性聚(ju)(ju)能(neng)(neng)藥管(guan)(guan)產生(sheng)的粒子(zi)射(she)流動(dong)能(neng)(neng)、高(gao)壓(ya)爆破(po)(po)(po)(po)(po)氣體應(ying)力及“氣楔”作(zuo)用(yong),形(xing)成平整圓順的開挖(wa)(wa)輪廓面,對(dui)控制超欠挖(wa)(wa)具有良好(hao)效(xiao)果,有效(xiao)提升了隧(sui)(sui)道施工(gong)質量(liang)(liang)、進(jin)度和(he)經濟效(xiao)益。水壓(ya)光(guang)面爆破(po)(po)(po)(po)(po)較(jiao)水壓(ya)光(guang)面爆破(po)(po)(po)(po)(po),在周(zhou)邊眼(yan)(yan)單循環火(huo)工(gong)品使用(yong)量(liang)(liang)上(shang)節(jie)(jie)約(yue)費(fei)用(yong)8.3%,周(zhou)邊眼(yan)(yan)鉆孔數量(liang)(liang)從(cong)39個下降(jiang)為23個費(fei)用(yong)節(jie)(jie)約(yue)41%,混凝土(tu)噴射(she)每延米節(jie)(jie)約(yue)1.37立方(fang)(fang)米。聚(ju)(ju)能(neng)(neng)水壓(ya)光(guang)面爆破(po)(po)(po)(po)(po)比水壓(ya)光(guang)面爆破(po)(po)(po)(po)(po)每循環節(jie)(jie)約(yue)費(fei)用(yong)258.4元,即每延米節(jie)(jie)約(yue)76較(jiao)元,節(jie)(jie)約(yue)費(fei)用(yong)比例達32%。此外(wai),聚(ju)(ju)能(neng)(neng)水壓(ya)光(guang)面爆破(po)(po)(po)(po)(po)能(neng)(neng)有效(xiao)降(jiang)低隧(sui)(sui)道內(nei)石渣塊度和(he)粉塵含量(liang)(liang),還可使通風時間有效(xiao)縮短33%。
在(zai)鐵(tie)(tie)路(lu)(lu)(lu)(lu)、礦山(shan)(shan)、水庫等大(da)型(xing)工(gong)(gong)程(cheng)中(zhong),爆(bao)破(po)技術(shu)的(de)(de)(de)(de)作(zuo)用很關(guan)鍵很重要。采(cai)礦修(xiu)路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)開山(shan)(shan)挖隧(sui)道,城市對舊建筑物的(de)(de)(de)(de)拆除,都會(hui)用到(dao)(dao)爆(bao)破(po)技術(shu)。隨著(zhu)經濟的(de)(de)(de)(de)發展、工(gong)(gong)程(cheng)建設(she)的(de)(de)(de)(de)增多(duo)(duo),爆(bao)破(po)引(yin)起了人們更多(duo)(duo)的(de)(de)(de)(de)關(guan)注。爆(bao)破(po)聚能管(guan)作(zuo)為一(yi)(yi)(yi)種科(ke)學技術(shu),應用很廣,但在(zai)工(gong)(gong)程(cheng)上(shang)的(de)(de)(de)(de)應用無疑(yi)是(shi)(shi)重要、常見的(de)(de)(de)(de),采(cai)礦開山(shan)(shan),修(xiu)鐵(tie)(tie)路(lu)(lu)(lu)(lu)、公路(lu)(lu)(lu)(lu)用鉆爆(bao)法來開掘隧(sui)道,水利工(gong)(gong)程(cheng)上(shang)也用一(yi)(yi)(yi)些,城市里面也使(shi)用了,拆除樓房。利用炸爆(bao)炸產(chan)生的(de)(de)(de)(de)巨大(da)能量破(po)壞某種物體的(de)(de)(de)(de)原結構(gou),這(zhe)種"破(po)壞"效(xiao)果不是(shi)(shi)其(qi)他方法能代替的(de)(de)(de)(de),它雖然不是(shi)(shi)獨立完成一(yi)(yi)(yi)個(ge)(ge)工(gong)(gong)程(cheng),但卻是(shi)(shi)一(yi)(yi)(yi)個(ge)(ge)重要的(de)(de)(de)(de)工(gong)(gong)序,特別(bie)是(shi)(shi)石方開挖、礦山(shan)(shan)開采(cai)等工(gong)(gong)程(cheng)缺少了這(zhe)個(ge)(ge)工(gong)(gong)序還不行。中(zhong)國目前有發達的(de)(de)(de)(de)鐵(tie)(tie)路(lu)(lu)(lu)(lu)和公路(lu)(lu)(lu)(lu)交通網,可以想(xiang)象(xiang),當初在(zai)修(xiu)這(zhe)些路(lu)(lu)(lu)(lu)的(de)(de)(de)(de)時(shi)(shi)候會(hui)遇到(dao)(dao)許多(duo)(duo)高山(shan)(shan)峻嶺(ling),一(yi)(yi)(yi)座大(da)山(shan)(shan)橫在(zai)兩地(di)之間,想(xiang)要修(xiu)路(lu)(lu)(lu)(lu),就(jiu)必須讓(rang)這(zhe)座山(shan)(shan)消失,這(zhe)個(ge)(ge)時(shi)(shi)候聚能管(guan)爆(bao)破(po)就(jiu)起到(dao)(dao)決定性作(zuo)用了。
是由(you)管(guan)(guan)(guan)體(ti)(ti)、前(qian)(qian)(qian)錐形定(ding)格帽(mao)、后定(ding)格堵(du)(du)構成(cheng)(cheng),管(guan)(guan)(guan)體(ti)(ti)為塑性材(cai)料制成(cheng)(cheng),呈管(guan)(guan)(guan)狀,管(guan)(guan)(guan)體(ti)(ti)外徑(jing)(jing)小于(yu)正常炮眼(yan)內(nei)徑(jing)(jing),長度可(ke)隨(sui)爆(bao)破(po)需要生產,管(guan)(guan)(guan)體(ti)(ti)兩(liang)(liang)(liang)端各有(you)(you)外螺(luo)(luo)紋(wen)(wen)(wen),兩(liang)(liang)(liang)端外螺(luo)(luo)紋(wen)(wen)(wen)間有(you)(you)一(yi)縱向切(qie)縫(feng),切(qie)縫(feng)間等距有(you)(you)加強筋,前(qian)(qian)(qian)錐形定(ding)格帽(mao)呈傘狀,傘形尖有(you)(you)一(yi)光孔(kong),兩(liang)(liang)(liang)側直(zhi)壁內(nei)徑(jing)(jing)有(you)(you)螺(luo)(luo)紋(wen)(wen)(wen),與(yu)管(guan)(guan)(guan)體(ti)(ti)外徑(jing)(jing)前(qian)(qian)(qian)端螺(luo)(luo)紋(wen)(wen)(wen)配合,帽(mao)體(ti)(ti)外徑(jing)(jing)大于(yu)管(guan)(guan)(guan)體(ti)(ti),后定(ding)格堵(du)(du)為一(yi)封蓋,外徑(jing)(jing)直(zhi)徑(jing)(jing)大于(yu)管(guan)(guan)(guan)體(ti)(ti)外徑(jing)(jing),與(yu)前(qian)(qian)(qian)錐形定(ding)格帽(mao)外徑(jing)(jing)一(yi)致(zhi),后定(ding)格堵(du)(du)內(nei)徑(jing)(jing)有(you)(you)螺(luo)(luo)紋(wen)(wen)(wen),與(yu)管(guan)(guan)(guan)體(ti)(ti)外徑(jing)(jing)后端螺(luo)(luo)紋(wen)(wen)(wen)配合。可(ke)根據炮眼(yan)深度采用合適的聚能管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti),不(bu)需其他(ta)工(gong)具(ju)幫(bang)助送入炮眼(yan),切(qie)縫(feng)方向準(zhun)確,兩(liang)(liang)(liang)端的前(qian)(qian)(qian)錐形定(ding)格帽(mao)和后定(ding)格堵(du)(du)外徑(jing)(jing)與(yu)炮眼(yan)內(nei)徑(jing)(jing)一(yi)致(zhi),保證聚能管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti)同(tong)心,定(ding)向準(zhun)確。且利于(yu)工(gong)業化生產,作業安全
聚能(neng)(neng)包(bao)由炸(zha)(zha)(zha)、形(xing)(xing)罩(zhao)、隔(ge)板、殼(ke)體、引(yin)信和(he)(he)支架等(deng)部分組成,其(qi)作用(yong)及(ji)對(dui)(dui)(dui)聚能(neng)(neng)包(bao)威力(li)的(de)(de)(de)影響分述如(ru)下。1.炸(zha)(zha)(zha),炸(zha)(zha)(zha)是聚能(neng)(neng)管(guan)爆(bao)破(po)的(de)(de)(de)能(neng)(neng)源,炸(zha)(zha)(zha)的(de)(de)(de)爆(bao)壓越大,聚能(neng)(neng)彈威力(li)越大;為得到高爆(bao)壓,需高爆(bao)速(su)、高密(mi)度(du)的(de)(de)(de)炸(zha)(zha)(zha)。常用(yong)炸(zha)(zha)(zha)有(you)梯恩梯、8321炸(zha)(zha)(zha)等(deng),裝方法有(you)熔鑄,塑(su)裝和(he)(he)壓裝多(duo)種。2.型(xing)(xing)(xing)罩(zhao),型(xing)(xing)(xing)罩(zhao)的(de)(de)(de)作用(yong)是把(ba)炸(zha)(zha)(zha)的(de)(de)(de)爆(bao)炸(zha)(zha)(zha)能(neng)(neng)轉化(hua)成罩(zhao)體材(cai)料的(de)(de)(de)射流動(dong)能(neng)(neng),從而(er)提高其(qi)穿透和(he)(he)切(qie)割能(neng)(neng)力(li)。型(xing)(xing)(xing)罩(zhao)的(de)(de)(de)材(cai)料必須滿足四點要(yao)求,即可壓縮性小、密(mi)度(du)高、塑(su)性和(he)(he)延展性好,在形(xing)(xing)成射流中不汽化(hua)。大量試驗證(zheng)明,用(yong)紫銅制作型(xing)(xing)(xing)罩(zhao)效果好,其(qi)次(ci)為鑄鐵、鋼(gang)和(he)(he)陶瓷。型(xing)(xing)(xing)罩(zhao)的(de)(de)(de)形(xing)(xing)狀多(duo)種多(duo)樣,主要(yao)有(you)軸對(dui)(dui)(dui)稱(cheng)(cheng)型(xing)(xing)(xing),如(ru)圓錐形(xing)(xing)、半球形(xing)(xing)、拋物線形(xing)(xing)和(he)(he)喇叭形(xing)(xing)等(deng);面對(dui)(dui)(dui)稱(cheng)(cheng)型(xing)(xing)(xing),常見的(de)(de)(de)有(you)用(yong)于(yu)切(qie)割屬板材(cai)的(de)(de)(de)直線形(xing)(xing)和(he)(he)用(yong)于(yu)切(qie)割管(guan)材(cai)的(de)(de)(de)環形(xing)(xing)聚能(neng)(neng)罩(zhao)兩種;中心對(dui)(dui)(dui)稱(cheng)(cheng)型(xing)(xing)(xing),這(zhe)種球形(xing)(xing)聚能(neng)(neng)包(bao),中心有(you)球形(xing)(xing)空腔和(he)(he)球形(xing)(xing)罩(zhao),球形(xing)(xing)罩(zhao)外敷設炸(zha)(zha)(zha),若(ruo)能(neng)(neng)在瞬(shun)間同時起爆(bao),可在空腔中心點獲(huo)得極大的(de)(de)(de)能(neng)(neng)量集中。在工(gong)程(cheng)中常用(yong)的(de)(de)(de)是軸對(dui)(dui)(dui)稱(cheng)(cheng)型(xing)(xing)(xing)和(he)(he)面對(dui)(dui)(dui)稱(cheng)(cheng)型(xing)(xing)(xing)兩類型(xing)(xing)(xing)罩(zhao)。
火索起爆法,導火索起爆法是利用導火索傳遞火焰點燃火雷管進而起爆炸藥。這種起爆法所需的材料有:導火索、火雷管和點火材料。專業爆破聚能管導火索起爆法操作簡單、靈活,使用方便,成本較低,廣泛應用于小型爆破和掘進。由于導火索的速燃、緩燃等弊病,在爆破中事故所占比重最大。不能多處裝藥同時起爆。導爆索起爆法,爆破聚能管價格用(yong)導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo)直接(jie)起(qi)爆(bao)(bao)(bao)(bao)炸藥包(bao)(bao)的(de)(de)方(fang)(fang)法(fa)叫導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo)起(qi)爆(bao)(bao)(bao)(bao)法(fa)。先用(yong)雷管起(qi)爆(bao)(bao)(bao)(bao)導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo),當導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo)的(de)(de)爆(bao)(bao)(bao)(bao)轟波傳(chuan)至炸藥包(bao)(bao)時(shi),將炸藥引爆(bao)(bao)(bao)(bao)。在需要(yao)延時(shi)分段(duan)起(qi)爆(bao)(bao)(bao)(bao)的(de)(de)地方(fang)(fang),將導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo)中接(jie)入繼爆(bao)(bao)(bao)(bao)管,就能達到導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo)毫秒爆(bao)(bao)(bao)(bao)破的(de)(de)目(mu)的(de)(de)。這種(zhong)爆(bao)(bao)(bao)(bao)破法(fa)所需起(qi)爆(bao)(bao)(bao)(bao)材料有:雷管、導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo)和繼爆(bao)(bao)(bao)(bao)管等。導(dao)(dao)爆(bao)(bao)(bao)(bao)索(suo)起(qi)爆(bao)(bao)(bao)(bao)網(wang)路(lu)常(chang)用(yong)的(de)(de)有:串聯(lian)(lian)、簇并聯(lian)(lian)、單向分段(duan)并聯(lian)(lian)和雙向分段(duan)并聯(lian)(lian)等。