在(zai)(zai)鐵(tie)路(lu)、礦(kuang)山(shan)(shan)、水(shui)庫(ku)等大型(xing)工程(cheng)中(zhong)(zhong),爆破技術(shu)的作用(yong)(yong)(yong)很(hen)(hen)關鍵(jian)很(hen)(hen)重要(yao)。采(cai)礦(kuang)修(xiu)路(lu)的開(kai)山(shan)(shan)挖隧道(dao),城市對舊(jiu)建(jian)(jian)筑物的拆除(chu),都會用(yong)(yong)(yong)到爆破技術(shu)。隨著經濟的發(fa)展(zhan)、工程(cheng)建(jian)(jian)設的增多,爆破引起了人們更多的關注。爆破聚能管作為一(yi)(yi)種(zhong)(zhong)科學技術(shu),應(ying)用(yong)(yong)(yong)很(hen)(hen)廣,但(dan)在(zai)(zai)工程(cheng)上的應(ying)用(yong)(yong)(yong)無疑是(shi)重要(yao)、常(chang)見的,采(cai)礦(kuang)開(kai)山(shan)(shan),修(xiu)鐵(tie)路(lu)、公路(lu)用(yong)(yong)(yong)鉆爆法(fa)來開(kai)掘隧道(dao),水(shui)利(li)工程(cheng)上也(ye)用(yong)(yong)(yong)一(yi)(yi)些(xie),城市里面也(ye)使用(yong)(yong)(yong)了,拆除(chu)樓房(fang)。利(li)用(yong)(yong)(yong)炸(zha)爆炸(zha)產生的巨大能量破壞(huai)某種(zhong)(zhong)物體的原(yuan)結構,這種(zhong)(zhong)"破壞(huai)"效果不(bu)是(shi)其(qi)他方法(fa)能代(dai)替的,它雖(sui)然(ran)不(bu)是(shi)獨立完(wan)成一(yi)(yi)個(ge)(ge)工程(cheng),但(dan)卻是(shi)一(yi)(yi)個(ge)(ge)重要(yao)的工序,特別是(shi)石方開(kai)挖、礦(kuang)山(shan)(shan)開(kai)采(cai)等工程(cheng)缺少了這個(ge)(ge)工序還不(bu)行。中(zhong)(zhong)國目(mu)前有發(fa)達的鐵(tie)路(lu)和公路(lu)交通網,可以想象(xiang),當(dang)初在(zai)(zai)修(xiu)這些(xie)路(lu)的時(shi)候(hou)會遇到許多高山(shan)(shan)峻嶺,一(yi)(yi)座(zuo)大山(shan)(shan)橫在(zai)(zai)兩地之間,想要(yao)修(xiu)路(lu),就(jiu)必須(xu)讓這座(zuo)山(shan)(shan)消失(shi),這個(ge)(ge)時(shi)候(hou)聚能管爆破就(jiu)起到決定性作用(yong)(yong)(yong)了。
光(guang)(guang)面爆破(po)技(ji)術優勢:相對(dui)于傳(chuan)統爆破(po)工藝,聚能(neng)管光(guang)(guang)面爆破(po)比常規爆破(po)具有以下優勢∶少打眼,少裝藥(yao)。節(jie)約(yue)周邊鉆孔(kong)(kong)(kong)量(liang)50%,總(zong)鉆孔(kong)(kong)(kong)進尺減少30%;節(jie)約(yue)炸藥(yao)10~20%,雷管30%。節(jie)約(yue)噴漿料15-20%。節(jie)省(sheng)時(shi)(shi)間(jian)∶每循環鉆孔(kong)(kong)(kong)、裝藥(yao)、噴漿時(shi)(shi)間(jian)1.5-2.0小時(shi)(shi)。在安全方面利(li)用水(shui)沙袋替代炮泥,以避免搗炮泥損(sun)毀電(dian)雷管導(dao)線,造成瞎(xia)炮。大(da)(da)(da)大(da)(da)(da)減少對(dui)圍(wei)巖擾動,光(guang)(guang)面效果好,巖性(xing)條件差情況(kuang)下可(ke)(ke)以大(da)(da)(da)大(da)(da)(da)減少超(chao)挖量(liang),控(kong)制巷道成型;巖性(xing)完整無(wu)節(jie)理情況(kuang)下眼痕率可(ke)(ke)以達到90%以上(shang),巷道成型好,穩定性(xing)強。布(bu)孔(kong)(kong)(kong)方式優化成多排掏槽布(bu)孔(kong)(kong)(kong),單次掘進深度(du)可(ke)(ke)以優化提高10%到15%不等(deng)。由(you)于炮孔(kong)(kong)(kong)數量(liang)大(da)(da)(da)大(da)(da)(da)減少可(ke)(ke)以考慮(lv)一起(qi)全斷面起(qi)爆,節(jie)省(sheng)放炮時(shi)(shi)間(jian)。
聚(ju)(ju)能(neng)(neng)(neng)(neng)包(bao)由炸(zha)、形(xing)(xing)(xing)罩(zhao)(zhao)、隔板、殼體、引(yin)信和(he)(he)支(zhi)架等(deng)部分(fen)組成,其(qi)作用及對(dui)聚(ju)(ju)能(neng)(neng)(neng)(neng)包(bao)威力的(de)(de)(de)影響分(fen)述如下。1.炸(zha),炸(zha)是(shi)聚(ju)(ju)能(neng)(neng)(neng)(neng)管(guan)爆破(po)的(de)(de)(de)能(neng)(neng)(neng)(neng)源,炸(zha)的(de)(de)(de)爆壓(ya)(ya)(ya)越大,聚(ju)(ju)能(neng)(neng)(neng)(neng)彈威力越大;為得到(dao)高(gao)爆壓(ya)(ya)(ya),需高(gao)爆速(su)、高(gao)密(mi)度的(de)(de)(de)炸(zha)。常(chang)用炸(zha)有梯恩梯、8321炸(zha)等(deng),裝(zhuang)方法有熔鑄,塑(su)裝(zhuang)和(he)(he)壓(ya)(ya)(ya)裝(zhuang)多種(zhong)(zhong)(zhong)。2.型(xing)(xing)罩(zhao)(zhao),型(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)作用是(shi)把(ba)炸(zha)的(de)(de)(de)爆炸(zha)能(neng)(neng)(neng)(neng)轉化成罩(zhao)(zhao)體材料(liao)的(de)(de)(de)射流(liu)(liu)動(dong)能(neng)(neng)(neng)(neng),從而(er)提高(gao)其(qi)穿透(tou)和(he)(he)切(qie)割(ge)(ge)能(neng)(neng)(neng)(neng)力。型(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)材料(liao)必(bi)須滿(man)足(zu)四點(dian)要求(qiu),即可壓(ya)(ya)(ya)縮性小、密(mi)度高(gao)、塑(su)性和(he)(he)延展性好,在(zai)形(xing)(xing)(xing)成射流(liu)(liu)中不汽(qi)化。大量試驗證明,用紫銅制作型(xing)(xing)罩(zhao)(zhao)效果好,其(qi)次為鑄鐵、鋼和(he)(he)陶瓷。型(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)形(xing)(xing)(xing)狀多種(zhong)(zhong)(zhong)多樣(yang),主要有軸對(dui)稱型(xing)(xing),如圓(yuan)錐形(xing)(xing)(xing)、半球(qiu)(qiu)形(xing)(xing)(xing)、拋(pao)物線形(xing)(xing)(xing)和(he)(he)喇叭形(xing)(xing)(xing)等(deng);面對(dui)稱型(xing)(xing),常(chang)見的(de)(de)(de)有用于(yu)切(qie)割(ge)(ge)屬(shu)板材的(de)(de)(de)直線形(xing)(xing)(xing)和(he)(he)用于(yu)切(qie)割(ge)(ge)管(guan)材的(de)(de)(de)環形(xing)(xing)(xing)聚(ju)(ju)能(neng)(neng)(neng)(neng)罩(zhao)(zhao)兩(liang)種(zhong)(zhong)(zhong);中心對(dui)稱型(xing)(xing),這種(zhong)(zhong)(zhong)球(qiu)(qiu)形(xing)(xing)(xing)聚(ju)(ju)能(neng)(neng)(neng)(neng)包(bao),中心有球(qiu)(qiu)形(xing)(xing)(xing)空腔(qiang)和(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),若能(neng)(neng)(neng)(neng)在(zai)瞬間同時起爆,可在(zai)空腔(qiang)中心點(dian)獲得極大的(de)(de)(de)能(neng)(neng)(neng)(neng)量集中。在(zai)工程中常(chang)用的(de)(de)(de)是(shi)軸對(dui)稱型(xing)(xing)和(he)(he)面對(dui)稱型(xing)(xing)兩(liang)類型(xing)(xing)罩(zhao)(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。專用深孔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,深孔爆破聚能管公司用(yong)(yong)導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo)直接(jie)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)炸(zha)藥包的(de)(de)(de)方法(fa)(fa)叫(jiao)導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)(fa)。先用(yong)(yong)雷(lei)管(guan)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo),當導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo)的(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)轟波傳至炸(zha)藥包時,將(jiang)炸(zha)藥引爆(bao)(bao)(bao)(bao)(bao)。在需要延(yan)時分段(duan)(duan)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)的(de)(de)(de)地(di)方,將(jiang)導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo)中接(jie)入繼爆(bao)(bao)(bao)(bao)(bao)管(guan),就能(neng)達到導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo)毫秒爆(bao)(bao)(bao)(bao)(bao)破的(de)(de)(de)目的(de)(de)(de)。這種爆(bao)(bao)(bao)(bao)(bao)破法(fa)(fa)所需起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)材料有:雷(lei)管(guan)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo)和繼爆(bao)(bao)(bao)(bao)(bao)管(guan)等(deng)(deng)。導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)(suo)起(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)網路常用(yong)(yong)的(de)(de)(de)有:串聯(lian)(lian)(lian)、簇(cu)并聯(lian)(lian)(lian)、單向(xiang)分段(duan)(duan)并聯(lian)(lian)(lian)和雙(shuang)向(xiang)分段(duan)(duan)并聯(lian)(lian)(lian)等(deng)(deng)。
水壓(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)(po)較(jiao)水壓(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)(po),在周(zhou)邊(bian)眼(yan)單(dan)循環火工品(pin)使(shi)(shi)用量(liang)(liang)上節(jie)(jie)約(yue)(yue)費(fei)用8.3%,周(zhou)邊(bian)眼(yan)鉆孔數(shu)量(liang)(liang)從39個下降(jiang)為23個費(fei)用節(jie)(jie)約(yue)(yue)41%,混凝土噴射每(mei)延米節(jie)(jie)約(yue)(yue)1.37立方(fang)米。水壓(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)(po)比水壓(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)(po)每(mei)循環節(jie)(jie)約(yue)(yue)費(fei)用258.4元(yuan),即每(mei)延米節(jie)(jie)約(yue)(yue)76較(jiao)元(yuan),節(jie)(jie)約(yue)(yue)費(fei)用比例達32%。此外,聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)水壓(ya)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)(po)能(neng)(neng)(neng)有效(xiao)降(jiang)低隧(sui)道(dao)內石渣塊度和粉塵含量(liang)(liang),還可使(shi)(shi)通風(feng)時間有效(xiao)縮短33%。聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)(po)工藝(yi)技(ji)術(shu)很成(cheng)熟、可操作性很強、材料成(cheng)本很低、施工速度很快、節(jie)(jie)能(neng)(neng)(neng)環保效(xiao)果(guo)很顯著、經濟效(xiao)益社(she)會效(xiao)益很高。聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)定向爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)是(shi)近幾年發展(zhan)起(qi)來的(de)(de)一項掘(jue)進(jin)新技(ji)術(shu),這(zhe)種爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)與(yu)傳統的(de)(de)光(guang)(guang)面爆(bao)(bao)(bao)破(po)(po)(po)技(ji)術(shu)有一定的(de)(de)差別(bie),聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)定向爆(bao)(bao)(bao)破(po)(po)(po)原(yuan)理(li)是(shi)在巷(xiang)道(dao)周(zhou)邊(bian)眼(yan)中,將炸裝在聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)中起(qi)爆(bao)(bao)(bao),爆(bao)(bao)(bao)破(po)(po)(po)時利用聚(ju)(ju)能(neng)(neng)(neng)管(guan)(guan)的(de)(de)聚(ju)(ju)能(neng)(neng)(neng)作用,以減(jian)少裂隙的(de)(de)數(shu)量(liang)(liang)和控制(zhi)優勢(shi)裂隙的(de)(de)發展(zhan)方(fang)向。