在(zai)(zai)工(gong)程(cheng)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong)(zhong),常用(yong)的(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)(fa)(fa)有(you):電(dian)(dian)(dian)力(li)(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導火索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)、導爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)。電(dian)(dian)(dian)力(li)(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)是(shi)(shi)利(li)用(yong)電(dian)(dian)(dian)能使(shi)雷(lei)管(guan)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha),進而起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)藥的(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)芳法(fa)(fa)(fa)。它所需的(de)器材有(you):電(dian)(dian)(dian)雷(lei)管(guan)、導線和(he)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源。電(dian)(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)網(wang)路(lu)的(de)連(lian)接(jie)形式,要根據爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破方法(fa)(fa)(fa)、爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破規模、工(gong)程(cheng)的(de)重要性、所選起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源及其起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)能力(li)(li)(li)等(deng)進行(xing)選擇(ze),基(ji)本連(lian)接(jie)方式有(you):串(chuan)聯(lian)(lian)(lian)、并聯(lian)(lian)(lian)、串(chuan)并聯(lian)(lian)(lian)和(he)并串(chuan)聯(lian)(lian)(lian)等(deng)。電(dian)(dian)(dian)力(li)(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)法(fa)(fa)(fa)具有(you)較安全、可靠、準確、高(gao)效(xiao)等(deng)優點,在(zai)(zai)國內外(wai)仍占有(you)較大比重。在(zai)(zai)大、中(zhong)(zhong)型爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)破中(zhong)(zhong),主(zhu)要仍是(shi)(shi)用(yong)電(dian)(dian)(dian)力(li)(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)。特(te)別是(shi)(shi)在(zai)(zai)有(you)瓦(wa)斯、礦(kuang)塵爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)的(de)環(huan)境中(zhong)(zhong),電(dian)(dian)(dian)力(li)(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)是(shi)(shi)主(zhu)要的(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)(fa)(fa)。但(dan)電(dian)(dian)(dian)力(li)(li)(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao)容易受各種電(dian)(dian)(dian)信號的(de)干(gan)擾而發生早爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)(bao),因此(ci)在(zai)(zai)有(you)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(huan)境中(zhong)(zhong),不能使(shi)用(yong)普通(tong)電(dian)(dian)(dian)雷(lei)管(guan)。
水壓(ya)光(guang)(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)破(po)技(ji)術基(ji)礎上發展(zhan)起來(lai)的(de)一項新(xin)技(ji)術,其掏槽眼(yan)、輔(fu)助眼(yan)裝藥(yao)結構(gou)和(he)爆(bao)(bao)破(po)方式與水壓(ya)光(guang)(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)破(po)相同(tong),但在周邊眼(yan)中安裝專用(yong)(yong)線性聚能(neng)(neng)藥(yao)管替代常規爆(bao)(bao)破(po)藥(yao)卷(juan)和(he)傳(chuan)爆(bao)(bao)線,利用(yong)(yong)線性聚能(neng)(neng)藥(yao)管產生(sheng)的(de)粒子(zi)射(she)流(liu)動能(neng)(neng)、高壓(ya)爆(bao)(bao)破(po)氣體應(ying)力及“氣楔”作用(yong)(yong),形成平(ping)整圓順的(de)開挖輪廓(kuo)面(mian)(mian),對控制超欠挖具(ju)有(you)良(liang)好效果,有(you)效提升了隧道(dao)(dao)施工質(zhi)量、進度和(he)經濟效益。水壓(ya)光(guang)(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)破(po)較水壓(ya)光(guang)(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)破(po),在周邊眼(yan)單循(xun)環火工品(pin)使(shi)用(yong)(yong)量上節(jie)約(yue)(yue)(yue)(yue)費用(yong)(yong)8.3%,周邊眼(yan)鉆(zhan)孔數量從39個下降為(wei)23個費用(yong)(yong)節(jie)約(yue)(yue)(yue)(yue)41%,混凝土(tu)噴(pen)射(she)每延米節(jie)約(yue)(yue)(yue)(yue)1.37立(li)方米。聚能(neng)(neng)水壓(ya)光(guang)(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)破(po)比(bi)水壓(ya)光(guang)(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)破(po)每循(xun)環節(jie)約(yue)(yue)(yue)(yue)費用(yong)(yong)258.4元(yuan),即每延米節(jie)約(yue)(yue)(yue)(yue)76較元(yuan),節(jie)約(yue)(yue)(yue)(yue)費用(yong)(yong)比(bi)例達(da)32%。此外,聚能(neng)(neng)水壓(ya)光(guang)(guang)(guang)(guang)面(mian)(mian)爆(bao)(bao)破(po)能(neng)(neng)有(you)效降低隧道(dao)(dao)內石渣塊度和(he)粉塵含量,還可使(shi)通風時間有(you)效縮短33%。
光面爆破(po)(po)技術優(you)(you)勢(shi):相對于(yu)傳統爆破(po)(po)工藝,聚能(neng)管(guan)光面爆破(po)(po)比常規爆破(po)(po)具有以下(xia)優(you)(you)勢(shi)∶少打眼,少裝藥。節(jie)(jie)約周邊鉆(zhan)孔量50%,總鉆(zhan)孔進尺減(jian)少30%;節(jie)(jie)約炸藥10~20%,雷(lei)管(guan)30%。節(jie)(jie)約噴漿(jiang)料(liao)15-20%。節(jie)(jie)省時(shi)(shi)間(jian)∶每循(xun)環鉆(zhan)孔、裝藥、噴漿(jiang)時(shi)(shi)間(jian)1.5-2.0小時(shi)(shi)。在安全(quan)(quan)方(fang)面利用水沙(sha)袋替代炮泥,以避免搗炮泥損毀電雷(lei)管(guan)導線,造成(cheng)瞎炮。大(da)(da)大(da)(da)減(jian)少對圍巖(yan)擾動,光面效果好(hao),巖(yan)性(xing)條件差情況(kuang)下(xia)可(ke)(ke)以大(da)(da)大(da)(da)減(jian)少超挖量,控制巷(xiang)道成(cheng)型;巖(yan)性(xing)完整無(wu)節(jie)(jie)理情況(kuang)下(xia)眼痕率(lv)可(ke)(ke)以達到(dao)90%以上,巷(xiang)道成(cheng)型好(hao),穩定性(xing)強(qiang)。布孔方(fang)式優(you)(you)化(hua)成(cheng)多排(pai)掏槽(cao)布孔,單次掘(jue)進深度可(ke)(ke)以優(you)(you)化(hua)提高10%到(dao)15%不等。由于(yu)炮孔數量大(da)(da)大(da)(da)減(jian)少可(ke)(ke)以考(kao)慮一起全(quan)(quan)斷面起爆,節(jie)(jie)省放炮時(shi)(shi)間(jian)。
深孔爆破聚能管公司施工因其復雜性、專業性、危險性,稍有不慎,將對人民的生命財產安全造成不可估量的損失,例如廣東宏大寧夏“10.16”、山東保利“5.20”等重大安全事故。因此,相較其他行業,國家出臺的相關法律法規多、專、嚴,從爆破材料(炸藥、雷管、導爆索?管?及相關材料)的生產、購進、運輸、儲存、發放、布網、連接、起爆、排爆等一系列程序均有嚴格的法律規定和科學的操作規程,并且相關從業單位和人員均應取得相應資質。佛山深孔爆破聚能管做為各類爆(bao)(bao)破(po)中不(bu)可(ke)或缺(que)的(de)一種(zhong)導線(xian),特(te)別不(bu)同于一般的(de)電(dian)(dian)線(xian)電(dian)(dian)纜(lan),其質量要(yao)求及(ji)各項技(ji)(ji)術(shu)參數(shu)也與普通電(dian)(dian)線(xian)電(dian)(dian)纜(lan)不(bu)同。部(bu)分家庭作坊式的(de)電(dian)(dian)線(xian)電(dian)(dian)纜(lan)廠無科學的(de)生(sheng)產工藝、無基本的(de)檢測設(she)(she)備、無專業(ye)的(de)技(ji)(ji)術(shu)人員(yuan),甚至不(bu)知道爆(bao)(bao)破(po)線(xian)的(de)質量要(yao)求和技(ji)(ji)術(shu)參數(shu),更不(bu)可(ke)能制訂自己的(de)企業(ye)標(biao)準,僅(jin)憑(ping)簡陋的(de)設(she)(she)備、以(yi)粗糙的(de)模仿(fang)進行(xing)生(sheng)產經(jing)營活(huo)動,致使(shi)市場充斥著假冒偽劣產品,導致爆(bao)(bao)破(po)中提前或延遲起爆(bao)(bao)、盲炮增加且強制排爆(bao)(bao)困難,給人身安全和財產以(yi)及(ji)正常的(de)生(sheng)產經(jing)營活(huo)動造成了不(bu)可(ke)估(gu)量的(de)損失。
是(shi)由管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)、前錐形定格(ge)帽(mao)、后(hou)(hou)定格(ge)堵(du)構成(cheng),管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)為塑性材料(liao)制成(cheng),呈(cheng)管(guan)(guan)(guan)(guan)狀,管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing)小于(yu)正常炮眼(yan)內(nei)徑(jing),長度可(ke)隨爆破(po)需要生產,管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)兩端各有(you)(you)外(wai)螺(luo)(luo)紋(wen)(wen),兩端外(wai)螺(luo)(luo)紋(wen)(wen)間(jian)有(you)(you)一(yi)縱向切縫,切縫間(jian)等距(ju)有(you)(you)加強筋,前錐形定格(ge)帽(mao)呈(cheng)傘(san)狀,傘(san)形尖有(you)(you)一(yi)光(guang)孔,兩側直壁內(nei)徑(jing)有(you)(you)螺(luo)(luo)紋(wen)(wen),與(yu)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing)前端螺(luo)(luo)紋(wen)(wen)配合(he),帽(mao)體(ti)(ti)(ti)(ti)外(wai)徑(jing)大于(yu)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti),后(hou)(hou)定格(ge)堵(du)為一(yi)封蓋,外(wai)徑(jing)直徑(jing)大于(yu)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing),與(yu)前錐形定格(ge)帽(mao)外(wai)徑(jing)一(yi)致,后(hou)(hou)定格(ge)堵(du)內(nei)徑(jing)有(you)(you)螺(luo)(luo)紋(wen)(wen),與(yu)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing)后(hou)(hou)端螺(luo)(luo)紋(wen)(wen)配合(he)。可(ke)根據炮眼(yan)深度采(cai)用合(he)適的聚(ju)能(neng)管(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti),不需其他工具幫(bang)助送入(ru)炮眼(yan),切縫方向準確(que),兩端的前錐形定格(ge)帽(mao)和(he)后(hou)(hou)定格(ge)堵(du)外(wai)徑(jing)與(yu)炮眼(yan)內(nei)徑(jing)一(yi)致,保證聚(ju)能(neng)管(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)體(ti)(ti)(ti)(ti)同(tong)心,定向準確(que)。且利于(yu)工業化生產,作業安全(quan)
給(gei)大(da)家(jia)介(jie)紹(shao)下爆破聚能(neng)(neng)管(guan)的(de)技(ji)術原理(li)∶炸藥爆炸產(chan)生的(de)爆轟波通過聚能(neng)(neng)管(guan)的(de)聚能(neng)(neng)槽,將炸藥的(de)動能(neng)(neng)、勢能(neng)(neng)轉換成(cheng)(cheng)高壓(ya)(ya)(ya)、高速、高能(neng)(neng)的(de)射流(liu),切割演示成(cheng)(cheng)縫。射流(liu)在孔(kong)壁產(chan)生射流(liu)壓(ya)(ya)(ya)力(li)(li)達(da)7000MPa,巖(yan)(yan)石動載抗(kang)(kang)壓(ya)(ya)(ya)強度(du)為200MPa,抗(kang)(kang)拉為1/8~1/10的(de)抗(kang)(kang)壓(ya)(ya)(ya)強度(du),相鄰兩(liang)(liang)炮孔(kong)互為鄰空面,疊加(jia)后(hou)的(de)壓(ya)(ya)(ya)縮波變為稀疏波,在兩(liang)(liang)炮眼(yan)連線上使巖(yan)(yan)石結構(gou)斷裂,形成(cheng)(cheng)裂紋。準靜態氣體膨脹(zhang),靜態壓(ya)(ya)(ya)力(li)(li)在兩(liang)(liang)炮孔(kong)最短連線兩(liang)(liang)側(ce)產(chan)生拉力(li)(li)使巖(yan)(yan)石裂縫進(jin)一步(bu)擴(kuo)展。根據(ju)爆破應力(li)(li)集(ji)中氣刃作用原則,爆破氣體沿裂縫進(jin)一步(bu)擴(kuo)大(da)貫通,拋落巖(yan)(yan)石。