雙向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。衢州雙向爆破聚能管做為各類爆破中不可(ke)(ke)或(huo)缺的一種導(dao)線,特(te)別不同于一般的電(dian)(dian)線電(dian)(dian)纜(lan),其(qi)質(zhi)量要求及(ji)各項技(ji)(ji)術(shu)參數也與普(pu)通(tong)電(dian)(dian)線電(dian)(dian)纜(lan)不同。部分家庭作(zuo)坊式的電(dian)(dian)線電(dian)(dian)纜(lan)廠無(wu)科學的生產(chan)(chan)(chan)工藝、無(wu)基本的檢測設備(bei)、無(wu)專(zhuan)業的技(ji)(ji)術(shu)人員,甚至(zhi)不知道爆破線的質(zhi)量要求和(he)(he)技(ji)(ji)術(shu)參數,更(geng)不可(ke)(ke)能制訂自己(ji)的企業標準,僅憑簡陋的設備(bei)、以粗糙的模仿進行生產(chan)(chan)(chan)經營(ying)活(huo)動,致使市場充斥著假冒偽劣產(chan)(chan)(chan)品,導(dao)致爆破中提前或(huo)延遲起爆、盲炮增加且強制排爆困難,給人身安全和(he)(he)財產(chan)(chan)(chan)以及(ji)正常的生產(chan)(chan)(chan)經營(ying)活(huo)動造成(cheng)了(le)不可(ke)(ke)估量的損失。
聚(ju)能(neng)(neng)(neng)包(bao)由炸(zha)、形(xing)罩(zhao)(zhao)(zhao)(zhao)、隔(ge)板、殼體、引信和支架等(deng)部(bu)分組(zu)成,其(qi)作用(yong)(yong)及對聚(ju)能(neng)(neng)(neng)包(bao)威力的(de)(de)影(ying)響分述如下。1.炸(zha),炸(zha)是聚(ju)能(neng)(neng)(neng)管(guan)爆(bao)破(po)的(de)(de)能(neng)(neng)(neng)源,炸(zha)的(de)(de)爆(bao)壓(ya)越(yue)大(da),聚(ju)能(neng)(neng)(neng)彈威力越(yue)大(da);為得到高(gao)爆(bao)壓(ya),需高(gao)爆(bao)速、高(gao)密(mi)度的(de)(de)炸(zha)。常用(yong)(yong)炸(zha)有(you)梯(ti)恩梯(ti)、8321炸(zha)等(deng),裝(zhuang)方法有(you)熔鑄,塑裝(zhuang)和壓(ya)裝(zhuang)多種(zhong)。2.型(xing)罩(zhao)(zhao)(zhao)(zhao),型(xing)罩(zhao)(zhao)(zhao)(zhao)的(de)(de)作用(yong)(yong)是把炸(zha)的(de)(de)爆(bao)炸(zha)能(neng)(neng)(neng)轉(zhuan)化成罩(zhao)(zhao)(zhao)(zhao)體材(cai)料(liao)的(de)(de)射流(liu)動能(neng)(neng)(neng),從而(er)提高(gao)其(qi)穿透和切(qie)割(ge)能(neng)(neng)(neng)力。型(xing)罩(zhao)(zhao)(zhao)(zhao)的(de)(de)材(cai)料(liao)必(bi)須滿足四點要求,即可壓(ya)縮性(xing)小、密(mi)度高(gao)、塑性(xing)和延展性(xing)好(hao),在(zai)形(xing)成射流(liu)中不汽化。大(da)量試驗證明(ming),用(yong)(yong)紫(zi)銅制(zhi)作型(xing)罩(zhao)(zhao)(zhao)(zhao)效(xiao)果(guo)好(hao),其(qi)次(ci)為鑄鐵、鋼(gang)和陶瓷。型(xing)罩(zhao)(zhao)(zhao)(zhao)的(de)(de)形(xing)狀多種(zhong)多樣,主要有(you)軸對稱型(xing),如圓錐(zhui)形(xing)、半球形(xing)、拋物(wu)線(xian)形(xing)和喇叭形(xing)等(deng);面(mian)對稱型(xing),常見的(de)(de)有(you)用(yong)(yong)于切(qie)割(ge)屬板材(cai)的(de)(de)直線(xian)形(xing)和用(yong)(yong)于切(qie)割(ge)管(guan)材(cai)的(de)(de)環形(xing)聚(ju)能(neng)(neng)(neng)罩(zhao)(zhao)(zhao)(zhao)兩(liang)種(zhong);中心(xin)對稱型(xing),這(zhe)種(zhong)球形(xing)聚(ju)能(neng)(neng)(neng)包(bao),中心(xin)有(you)球形(xing)空腔和球形(xing)罩(zhao)(zhao)(zhao)(zhao),球形(xing)罩(zhao)(zhao)(zhao)(zhao)外(wai)敷設炸(zha),若能(neng)(neng)(neng)在(zai)瞬間同(tong)時起(qi)爆(bao),可在(zai)空腔中心(xin)點獲得極大(da)的(de)(de)能(neng)(neng)(neng)量集中。在(zai)工程中常用(yong)(yong)的(de)(de)是軸對稱型(xing)和面(mian)對稱型(xing)兩(liang)類型(xing)罩(zhao)(zhao)(zhao)(zhao)。
光(guang)面(mian)(mian)(mian)爆(bao)破(po)技術優勢:相對于傳統爆(bao)破(po)工藝(yi),聚能管(guan)光(guang)面(mian)(mian)(mian)爆(bao)破(po)比常規(gui)爆(bao)破(po)具有以(yi)下優勢∶少打眼,少裝藥(yao)(yao)。節約(yue)周邊鉆(zhan)(zhan)孔(kong)(kong)(kong)量50%,總(zong)鉆(zhan)(zhan)孔(kong)(kong)(kong)進(jin)尺(chi)減少30%;節約(yue)炸藥(yao)(yao)10~20%,雷(lei)管(guan)30%。節約(yue)噴漿料15-20%。節省時間∶每循環鉆(zhan)(zhan)孔(kong)(kong)(kong)、裝藥(yao)(yao)、噴漿時間1.5-2.0小(xiao)時。在(zai)安全方面(mian)(mian)(mian)利用水(shui)沙袋替代炮(pao)泥,以(yi)避免搗炮(pao)泥損(sun)毀電雷(lei)管(guan)導線,造成(cheng)(cheng)瞎(xia)炮(pao)。大(da)(da)(da)大(da)(da)(da)減少對圍巖(yan)擾動,光(guang)面(mian)(mian)(mian)效(xiao)果好,巖(yan)性條件差情況下可(ke)(ke)以(yi)大(da)(da)(da)大(da)(da)(da)減少超挖量,控(kong)制(zhi)巷(xiang)道成(cheng)(cheng)型(xing)(xing);巖(yan)性完整無節理(li)情況下眼痕率可(ke)(ke)以(yi)達(da)到90%以(yi)上,巷(xiang)道成(cheng)(cheng)型(xing)(xing)好,穩定(ding)性強。布孔(kong)(kong)(kong)方式優化成(cheng)(cheng)多排掏槽布孔(kong)(kong)(kong),單次(ci)掘進(jin)深度可(ke)(ke)以(yi)優化提高(gao)10%到15%不(bu)等。由于炮(pao)孔(kong)(kong)(kong)數量大(da)(da)(da)大(da)(da)(da)減少可(ke)(ke)以(yi)考慮一起全斷面(mian)(mian)(mian)起爆(bao),節省放炮(pao)時間。
預(yu)(yu)裂(lie)與(yu)光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)技術(shu)的(de)(de)(de)(de)歷史與(yu)現(xian)狀:預(yu)(yu)裂(lie)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)是(shi)沿(yan)設計開(kai)挖邊(bian)界布置密集(ji)炮(pao)孔,采取不耦合裝(zhuang)藥或裝(zhuang)填(tian)低(di)威力(li)炸藥,在(zai)(zai)主(zhu)爆(bao)(bao)(bao)(bao)(bao)(bao)區之前起爆(bao)(bao)(bao)(bao)(bao)(bao),從(cong)而在(zai)(zai)爆(bao)(bao)(bao)(bao)(bao)(bao)區與(yu)保留區之間形成預(yu)(yu)裂(lie)縫,以(yi)減(jian)弱(ruo)主(zhu)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)對(dui)保留巖體的(de)(de)(de)(de)破(po)(po)壞并形成平整(zheng)輪廓面(mian)(mian)的(de)(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)作業(ye)。光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)是(shi)沿(yan)設計開(kai)挖邊(bian)界布設密集(ji)炮(pao)孔,采用不耦合裝(zhuang)藥或裝(zhuang)填(tian)低(di)威力(li)炸藥,在(zai)(zai)主(zhu)爆(bao)(bao)(bao)(bao)(bao)(bao)區爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)之后(hou)起爆(bao)(bao)(bao)(bao)(bao)(bao)的(de)(de)(de)(de)以(yi)形成平整(zheng)的(de)(de)(de)(de)開(kai)挖輪廓面(mian)(mian)的(de)(de)(de)(de)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)作業(ye)。爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)技術(shu)的(de)(de)(de)(de)發展是(shi)先出現(xian)光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po),然后(hou)衍生發展為預(yu)(yu)裂(lie)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)。聚(ju)能管(guan)國內歷史與(yu)現(xian)狀,我國于1964~1965年(nian)在(zai)(zai)湖北陸水水電站施工中(zhong)(zhong)做過淺孔預(yu)(yu)裂(lie)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)試驗,1965年(nian)鐵(tie)道部門在(zai)(zai)成昆鐵(tie)路(lu)(lu)建(jian)(jian)設中(zhong)(zhong)開(kai)始試驗光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po),1977年(nian)在(zai)(zai)西(xi)延(yan)線張家(jia)船工點,全長近200m的(de)(de)(de)(de)2000m2路(lu)(lu)塹(qian)邊(bian)坡(po)全部采用光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po),爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)后(hou)邊(bian)坡(po)平整(zheng)穩定,殘留的(de)(de)(de)(de)半(ban)孔清(qing)晰可見,是(shi)鐵(tie)路(lu)(lu)建(jian)(jian)設中(zhong)(zhong)采用路(lu)(lu)塹(qian)光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)。