聚(ju)(ju)(ju)能(neng)(neng)包由(you)炸(zha)、形(xing)(xing)(xing)(xing)罩(zhao)(zhao)(zhao)(zhao)、隔板、殼體、引信和(he)(he)支架等部分(fen)組(zu)成(cheng),其(qi)作用(yong)及對(dui)(dui)(dui)聚(ju)(ju)(ju)能(neng)(neng)包威(wei)力的(de)(de)影響分(fen)述(shu)如下。1.炸(zha),炸(zha)是聚(ju)(ju)(ju)能(neng)(neng)管爆(bao)(bao)(bao)(bao)破(po)的(de)(de)能(neng)(neng)源,炸(zha)的(de)(de)爆(bao)(bao)(bao)(bao)壓越大(da)(da),聚(ju)(ju)(ju)能(neng)(neng)彈威(wei)力越大(da)(da);為得到高爆(bao)(bao)(bao)(bao)壓,需高爆(bao)(bao)(bao)(bao)速、高密(mi)度的(de)(de)炸(zha)。常用(yong)炸(zha)有(you)(you)梯恩梯、8321炸(zha)等,裝(zhuang)方法有(you)(you)熔鑄(zhu),塑裝(zhuang)和(he)(he)壓裝(zhuang)多(duo)種。2.型(xing)罩(zhao)(zhao)(zhao)(zhao),型(xing)罩(zhao)(zhao)(zhao)(zhao)的(de)(de)作用(yong)是把炸(zha)的(de)(de)爆(bao)(bao)(bao)(bao)炸(zha)能(neng)(neng)轉(zhuan)化(hua)成(cheng)罩(zhao)(zhao)(zhao)(zhao)體材料的(de)(de)射流動能(neng)(neng),從而(er)提高其(qi)穿透和(he)(he)切(qie)(qie)割能(neng)(neng)力。型(xing)罩(zhao)(zhao)(zhao)(zhao)的(de)(de)材料必須滿足(zu)四點要(yao)求,即(ji)可壓縮性(xing)小(xiao)、密(mi)度高、塑性(xing)和(he)(he)延展性(xing)好(hao),在形(xing)(xing)(xing)(xing)成(cheng)射流中不汽化(hua)。大(da)(da)量試驗證明,用(yong)紫銅制作型(xing)罩(zhao)(zhao)(zhao)(zhao)效(xiao)果好(hao),其(qi)次為鑄(zhu)鐵、鋼和(he)(he)陶瓷。型(xing)罩(zhao)(zhao)(zhao)(zhao)的(de)(de)形(xing)(xing)(xing)(xing)狀多(duo)種多(duo)樣(yang),主要(yao)有(you)(you)軸對(dui)(dui)(dui)稱(cheng)型(xing),如圓錐形(xing)(xing)(xing)(xing)、半球形(xing)(xing)(xing)(xing)、拋物線形(xing)(xing)(xing)(xing)和(he)(he)喇叭形(xing)(xing)(xing)(xing)等;面對(dui)(dui)(dui)稱(cheng)型(xing),常見的(de)(de)有(you)(you)用(yong)于切(qie)(qie)割屬板材的(de)(de)直線形(xing)(xing)(xing)(xing)和(he)(he)用(yong)于切(qie)(qie)割管材的(de)(de)環形(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)能(neng)(neng)罩(zhao)(zhao)(zhao)(zhao)兩種;中心(xin)對(dui)(dui)(dui)稱(cheng)型(xing),這種球形(xing)(xing)(xing)(xing)聚(ju)(ju)(ju)能(neng)(neng)包,中心(xin)有(you)(you)球形(xing)(xing)(xing)(xing)空(kong)腔(qiang)和(he)(he)球形(xing)(xing)(xing)(xing)罩(zhao)(zhao)(zhao)(zhao),球形(xing)(xing)(xing)(xing)罩(zhao)(zhao)(zhao)(zhao)外敷(fu)設炸(zha),若能(neng)(neng)在瞬間(jian)同時(shi)起爆(bao)(bao)(bao)(bao),可在空(kong)腔(qiang)中心(xin)點獲得極大(da)(da)的(de)(de)能(neng)(neng)量集中。在工程中常用(yong)的(de)(de)是軸對(dui)(dui)(dui)稱(cheng)型(xing)和(he)(he)面對(dui)(dui)(dui)稱(cheng)型(xing)兩類型(xing)罩(zhao)(zhao)(zhao)(zhao)。
在建造隧(sui)道(dao)(dao)的(de)(de)(de)時候,人(ren)(ren)(ren)們首先想(xiang)到(dao)的(de)(de)(de)個方式(shi),就是使用爆(bao)(bao)(bao)破(po)技術(shu)(shu),開山(shan)挖隧(sui)道(dao)(dao)修路,常(chang)(chang)規(gui)(gui)(gui)爆(bao)(bao)(bao)破(po)技術(shu)(shu)需要(yao)使用數以(yi)噸(dun)計的(de)(de)(de)炸,炸的(de)(de)(de)威(wei)力(li)十分巨大,但是在炸完之后(hou),空氣中(zhong)全是煙(yan)(yan)塵,根(gen)本(ben)無法進入,另外常(chang)(chang)規(gui)(gui)(gui)爆(bao)(bao)(bao)破(po)炸出來的(de)(de)(de)輪廓線(xian)凹凸(tu)不平(ping),后(hou)期常(chang)(chang)常(chang)(chang)需要(yao)工(gong)人(ren)(ren)(ren)進一(yi)(yi)步修補(bu)輪廓線(xian)才(cai)能進行下一(yi)(yi)道(dao)(dao)工(gong)序,耗時耗力(li),那么有沒(mei)有其他的(de)(de)(de)方式(shi)比常(chang)(chang)規(gui)(gui)(gui)爆(bao)(bao)(bao)破(po)技術(shu)(shu)更好呢?2018年(nian)3月,央視報(bao)道(dao)(dao)了一(yi)(yi)場(chang)隧(sui)道(dao)(dao)爆(bao)(bao)(bao)破(po)對比實(shi)驗(yan),實(shi)驗(yan)采用兩種(zhong)爆(bao)(bao)(bao)破(po)技術(shu)(shu),滴喲(yo)中(zhong)是使用炸的(de)(de)(de)常(chang)(chang)規(gui)(gui)(gui)爆(bao)(bao)(bao)破(po)技術(shu)(shu),第(di)二種(zhong)則是國(guo)人(ren)(ren)(ren)新(xin)發(fa)明(ming)的(de)(de)(de)聚(ju)(ju)能水壓(ya)光面爆(bao)(bao)(bao)破(po)技術(shu)(shu),隨著聲聲巨響,這場(chang)對比試(shi)驗(yan)的(de)(de)(de)結果超乎所(suo)有人(ren)(ren)(ren)的(de)(de)(de)意料,聚(ju)(ju)能水壓(ya)爆(bao)(bao)(bao)破(po)技術(shu)(shu)的(de)(de)(de)爆(bao)(bao)(bao)炸效(xiao)果更好,而且(qie)爆(bao)(bao)(bao)破(po)產生的(de)(de)(de)水霧能將煙(yan)(yan)塵覆蓋(gai),起到(dao)降(jiang)塵的(de)(de)(de)作用,這項(xiang)爆(bao)(bao)(bao)破(po)新(xin)方式(shi)得到(dao)了觀眾(zhong)們的(de)(de)(de)認可。
施工(gong)工(gong)藝嚴格遵循(xun)六字方針(掛(gua)滿、貼緊、對準):(1)要(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)炮(pao)眼(yan)(yan)打眼(yan)(yan)質量(liang),炮(pao)眼(yan)(yan)必須按技術要(yao)(yao)(yao)求合理布置。(2)要(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)掏槽眼(yan)(yan)以及其他眼(yan)(yan)眼(yan)(yan)的(de)(de)打眼(yan)(yan)質量(liang),一(yi)定(ding)(ding)要(yao)(yao)(yao)在(zai)規定(ding)(ding)位(wei)置上打眼(yan)(yan);二(er)要(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)炮(pao)眼(yan)(yan)深度和角度。(3)聚(ju)(ju)(ju)能(neng)(neng)(neng)管(guan)裝藥時,要(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)乳化炸藥在(zai)聚(ju)(ju)(ju)能(neng)(neng)(neng)管(guan)中空內(nei)壁中填(tian)(tian)充飽滿不(bu)得有空隙出現時以產生拒爆(bao)。(4)聚(ju)(ju)(ju)能(neng)(neng)(neng)管(guan)在(zai)炮(pao)眼(yan)(yan)中裝填(tian)(tian)時,要(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)聚(ju)(ju)(ju)能(neng)(neng)(neng)管(guan)的(de)(de)兩條聚(ju)(ju)(ju)能(neng)(neng)(neng)槽指向巷(xiang)道輪(lun)廓(kuo)線方向并且各個炮(pao)眼(yan)(yan)聚(ju)(ju)(ju)能(neng)(neng)(neng)管(guan)的(de)(de)聚(ju)(ju)(ju)能(neng)(neng)(neng)槽軸線方面要(yao)(yao)(yao)保(bao)(bao)證(zheng)(zheng)相(xiang)互連接在(zai)隧(sui)道輪(lun)廓(kuo)線上。否(fou)則成型效果(guo)不(bu)僅不(bu)好(hao),反而更(geng)差。(5)保(bao)(bao)證(zheng)(zheng)炮(pao)眼(yan)(yan)堵(du)塞質量(liang)。(6)放炮(pao)員應提前(qian)按規定(ding)(ding)裝好(hao)聚(ju)(ju)(ju)能(neng)(neng)(neng)管(guan)的(de)(de)炸藥,并做好(hao)準備工(gong)作。試(shi)用范圍(wei):一(yi)級至五級圍(wei)巖(yan)的(de)(de)光面爆(bao)破工(gong)程。
在工程爆破中,深孔爆破聚能管公司常用的起爆方法有:電力起爆法、導火索起爆法、導爆索起爆法、導爆管起爆法。電力起爆法是利用電能使雷管爆炸,進而起爆炸藥的起爆芳法。它所需的器材有:電雷管、導線和起爆電源。電爆網路的連接形式,要根據爆破方法、爆破規模、工程的重要性、所選起爆電源及其起爆能力等進行選擇,東莞深孔爆破聚能管基本連接方(fang)式(shi)有(you):串(chuan)聯(lian)、并(bing)(bing)聯(lian)、串(chuan)并(bing)(bing)聯(lian)和并(bing)(bing)串(chuan)聯(lian)等。電(dian)(dian)力起(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)具有(you)較安全、可(ke)靠、準確、高效等優點,在(zai)(zai)國(guo)內外仍占有(you)較大比重。在(zai)(zai)大、中(zhong)型爆(bao)(bao)(bao)破中(zhong),主(zhu)要仍是用電(dian)(dian)力起(qi)(qi)爆(bao)(bao)(bao)。特別是在(zai)(zai)有(you)瓦斯、礦塵爆(bao)(bao)(bao)炸的環(huan)境(jing)中(zhong),電(dian)(dian)力起(qi)(qi)爆(bao)(bao)(bao)是主(zhu)要的起(qi)(qi)爆(bao)(bao)(bao)方(fang)法(fa)(fa)。但電(dian)(dian)力起(qi)(qi)爆(bao)(bao)(bao)容易受各種電(dian)(dian)信號的干擾而發生早(zao)爆(bao)(bao)(bao),因(yin)此(ci)在(zai)(zai)有(you)雜散電(dian)(dian)、靜電(dian)(dian)、雷(lei)電(dian)(dian)、射(she)頻電(dian)(dian)、高壓感應電(dian)(dian)的環(huan)境(jing)中(zhong),不能(neng)使用普通電(dian)(dian)雷(lei)管。
在(zai)鐵路(lu)、礦山(shan)(shan)、水庫等(deng)大(da)(da)(da)型工(gong)程(cheng)(cheng)中,爆(bao)破(po)技(ji)術(shu)(shu)的(de)(de)(de)作用(yong)(yong)(yong)(yong)很關(guan)鍵很重(zhong)要(yao)。采礦修路(lu)的(de)(de)(de)開(kai)山(shan)(shan)挖隧道,城市對舊建(jian)筑物的(de)(de)(de)拆(chai)(chai)除,都會(hui)用(yong)(yong)(yong)(yong)到爆(bao)破(po)技(ji)術(shu)(shu)。隨著經濟的(de)(de)(de)發展、工(gong)程(cheng)(cheng)建(jian)設的(de)(de)(de)增多,爆(bao)破(po)引起了(le)(le)(le)人們更多的(de)(de)(de)關(guan)注。爆(bao)破(po)聚(ju)能管作為(wei)一種(zhong)科學(xue)技(ji)術(shu)(shu),應用(yong)(yong)(yong)(yong)很廣(guang),但在(zai)工(gong)程(cheng)(cheng)上(shang)的(de)(de)(de)應用(yong)(yong)(yong)(yong)無疑是(shi)(shi)重(zhong)要(yao)、常見的(de)(de)(de),采礦開(kai)山(shan)(shan),修鐵路(lu)、公路(lu)用(yong)(yong)(yong)(yong)鉆爆(bao)法來開(kai)掘隧道,水利工(gong)程(cheng)(cheng)上(shang)也用(yong)(yong)(yong)(yong)一些,城市里面也使用(yong)(yong)(yong)(yong)了(le)(le)(le),拆(chai)(chai)除樓房。利用(yong)(yong)(yong)(yong)炸爆(bao)炸產生(sheng)的(de)(de)(de)巨大(da)(da)(da)能量破(po)壞某種(zhong)物體的(de)(de)(de)原結構,這(zhe)(zhe)種(zhong)"破(po)壞"效(xiao)果不是(shi)(shi)其他方法能代替的(de)(de)(de),它雖然不是(shi)(shi)獨(du)立完(wan)成一個工(gong)程(cheng)(cheng),但卻是(shi)(shi)一個重(zhong)要(yao)的(de)(de)(de)工(gong)序,特別(bie)是(shi)(shi)石方開(kai)挖、礦山(shan)(shan)開(kai)采等(deng)工(gong)程(cheng)(cheng)缺少(shao)了(le)(le)(le)這(zhe)(zhe)個工(gong)序還不行(xing)。中國目前有發達的(de)(de)(de)鐵路(lu)和公路(lu)交通網,可以想象,當(dang)初在(zai)修這(zhe)(zhe)些路(lu)的(de)(de)(de)時候會(hui)遇到許(xu)多高(gao)山(shan)(shan)峻(jun)嶺,一座(zuo)(zuo)大(da)(da)(da)山(shan)(shan)橫在(zai)兩(liang)地之(zhi)間,想要(yao)修路(lu),就(jiu)必(bi)須讓這(zhe)(zhe)座(zuo)(zuo)山(shan)(shan)消失,這(zhe)(zhe)個時候聚(ju)能管爆(bao)破(po)就(jiu)起到決(jue)定性作用(yong)(yong)(yong)(yong)了(le)(le)(le)。
給大(da)家(jia)介紹下爆(bao)(bao)破聚能管(guan)的(de)(de)技術原理∶炸(zha)藥爆(bao)(bao)炸(zha)產(chan)生(sheng)的(de)(de)爆(bao)(bao)轟(hong)波(bo)(bo)通過聚能管(guan)的(de)(de)聚能槽(cao),將炸(zha)藥的(de)(de)動(dong)(dong)能、勢能轉換成(cheng)高(gao)壓、高(gao)速、高(gao)能的(de)(de)射(she)(she)流(liu),切(qie)割演示成(cheng)縫。射(she)(she)流(liu)在(zai)孔壁產(chan)生(sheng)射(she)(she)流(liu)壓力達7000MPa,巖(yan)石動(dong)(dong)載抗(kang)壓強(qiang)度為200MPa,抗(kang)拉為1/8~1/10的(de)(de)抗(kang)壓強(qiang)度,相鄰(lin)兩(liang)炮(pao)孔互(hu)為鄰(lin)空(kong)面(mian),疊加后(hou)的(de)(de)壓縮波(bo)(bo)變為稀疏(shu)波(bo)(bo),在(zai)兩(liang)炮(pao)眼連線上使巖(yan)石結構斷裂,形成(cheng)裂紋。準靜態氣(qi)(qi)體(ti)膨脹,靜態壓力在(zai)兩(liang)炮(pao)孔最短連線兩(liang)側(ce)產(chan)生(sheng)拉力使巖(yan)石裂縫進一(yi)步擴展。根據爆(bao)(bao)破應力集中氣(qi)(qi)刃(ren)作用原則,爆(bao)(bao)破氣(qi)(qi)體(ti)沿裂縫進一(yi)步擴大(da)貫通,拋落巖(yan)石。