給大(da)(da)家介紹下爆破聚能(neng)管的(de)技(ji)術原理∶炸藥爆炸產(chan)(chan)生(sheng)的(de)爆轟波(bo)通(tong)過聚能(neng)管的(de)聚能(neng)槽,將炸藥的(de)動(dong)能(neng)、勢(shi)能(neng)轉換(huan)成(cheng)高(gao)壓、高(gao)速、高(gao)能(neng)的(de)射(she)流(liu)(liu),切割演示成(cheng)縫(feng)(feng)。射(she)流(liu)(liu)在孔(kong)壁產(chan)(chan)生(sheng)射(she)流(liu)(liu)壓力達7000MPa,巖石動(dong)載抗(kang)壓強(qiang)度為(wei)200MPa,抗(kang)拉為(wei)1/8~1/10的(de)抗(kang)壓強(qiang)度,相鄰兩炮孔(kong)互(hu)為(wei)鄰空(kong)面,疊加(jia)后的(de)壓縮波(bo)變為(wei)稀疏波(bo),在兩炮眼(yan)連線(xian)上(shang)使(shi)巖石結構斷裂(lie),形成(cheng)裂(lie)紋。準靜態氣體(ti)膨脹,靜態壓力在兩炮孔(kong)最短(duan)連線(xian)兩側產(chan)(chan)生(sheng)拉力使(shi)巖石裂(lie)縫(feng)(feng)進一步擴展。根據爆破應力集中氣刃作用原則,爆破氣體(ti)沿裂(lie)縫(feng)(feng)進一步擴大(da)(da)貫(guan)通(tong),拋落巖石。
專業深孔爆破聚能管聚能包由炸、形罩、隔板、殼體、引信和支架等部分組成,其作用及對聚能包威力的影響分述如下。1.炸,炸是聚能管爆破的能源,炸的爆壓越大,聚能彈威力越大;為得到高爆壓,需高爆速、高密度的炸。常用炸有梯恩梯、8321炸等,裝方法有熔鑄,塑裝和壓裝多種。2.型罩,型罩的作用是把炸的爆炸能轉化成罩體材料的射流動能,從而提高其穿透和切割能力。深孔爆破聚能管價格型(xing)罩(zhao)(zhao)(zhao)的材料必須(xu)滿足四點要(yao)求,即可壓縮性(xing)小、密度高、塑性(xing)和延展(zhan)性(xing)好,在形(xing)(xing)(xing)成射流中(zhong)不汽化。大(da)量試驗證(zheng)明,用(yong)(yong)紫銅(tong)制(zhi)作型(xing)罩(zhao)(zhao)(zhao)效果好,其(qi)次為鑄鐵、鋼和陶瓷。型(xing)罩(zhao)(zhao)(zhao)的形(xing)(xing)(xing)狀多種(zhong)多樣,主(zhu)要(yao)有(you)軸對(dui)(dui)(dui)稱(cheng)(cheng)型(xing),如圓錐形(xing)(xing)(xing)、半球(qiu)形(xing)(xing)(xing)、拋(pao)物線(xian)形(xing)(xing)(xing)和喇(la)叭(ba)形(xing)(xing)(xing)等;面對(dui)(dui)(dui)稱(cheng)(cheng)型(xing),常見的有(you)用(yong)(yong)于(yu)切(qie)割屬板材的直線(xian)形(xing)(xing)(xing)和用(yong)(yong)于(yu)切(qie)割管材的環(huan)形(xing)(xing)(xing)聚能(neng)罩(zhao)(zhao)(zhao)兩種(zhong);中(zhong)心(xin)對(dui)(dui)(dui)稱(cheng)(cheng)型(xing),這種(zhong)球(qiu)形(xing)(xing)(xing)聚能(neng)包(bao),中(zhong)心(xin)有(you)球(qiu)形(xing)(xing)(xing)空腔和球(qiu)形(xing)(xing)(xing)罩(zhao)(zhao)(zhao),球(qiu)形(xing)(xing)(xing)罩(zhao)(zhao)(zhao)外(wai)敷設炸,若(ruo)能(neng)在瞬間同時起爆,可在空腔中(zhong)心(xin)點獲得極大(da)的能(neng)量集中(zhong)。在工程中(zhong)常用(yong)(yong)的是軸對(dui)(dui)(dui)稱(cheng)(cheng)型(xing)和面對(dui)(dui)(dui)稱(cheng)(cheng)型(xing)兩類(lei)型(xing)罩(zhao)(zhao)(zhao)。
我國于1983年(nian)制定了(le)《水(shui)(shui)工(gong)(gong)(gong)(gong)(gong)建(jian)筑(zhu)物巖(yan)(yan)行基礎開(kai)(kai)(kai)挖工(gong)(gong)(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范》(sD 121l一1983)。自此,在(zai)(zai)(zai)水(shui)(shui)利水(shui)(shui)電(dian)建(jian)設(she)(she)中(zhong)預(yu)裂(lie)爆(bao)(bao)破(po)與光(guang)面爆(bao)(bao)破(po)已成為必須進(jin)(jin)行的(de)(de)保護邊(bian)(bian)坡(po)(po)(po)質量(liang)的(de)(de)爆(bao)(bao)破(po)開(kai)(kai)(kai)挖技(ji)(ji)術措施(shi)(shi)。此后在(zai)(zai)(zai)此基礎上修(xiu)訂的(de)(de)《水(shui)(shui)工(gong)(gong)(gong)(gong)(gong)建(jian)筑(zhu)物巖(yan)(yan)石基礎開(kai)(kai)(kai)挖工(gong)(gong)(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范》(SL 47一1994)以(yi)及在(zai)(zai)(zai)《水(shui)(shui)電(dian)水(shui)(shui)利爆(bao)(bao)破(po)工(gong)(gong)(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范》(DL/T 5135—2001)和(he)《水(shui)(shui)工(gong)(gong)(gong)(gong)(gong)建(jian)筑(zhu)物巖(yan)(yan)石基礎開(kai)(kai)(kai)挖工(gong)(gong)(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術規(gui)(gui)范》(DL/T 5389~2007)中(zhong)預(yu)裂(lie)爆(bao)(bao)破(po)與光(guang)面爆(bao)(bao)破(po)均(jun)被(bei)編(bian)入并(bing)有所改進(jin)(jin),DL/T 5135—2001正(zheng)在(zai)(zai)(zai)修(xiu)編(bian)為DL/T 5135—2012。鐵道(dao)部(bu)也不(bu)僅規(gui)(gui)定了(le)凡(fan)是Ⅲ級(ji)以(yi)上的(de)(de)巖(yan)(yan)石邊(bian)(bian)坡(po)(po)(po),設(she)(she)計(ji)邊(bian)(bian)坡(po)(po)(po)坡(po)(po)(po)度為1:0.1~1:0.75,在(zai)(zai)(zai)邊(bian)(bian)坡(po)(po)(po)部(bu)位(wei)的(de)(de)爆(bao)(bao)破(po)設(she)(she)計(ji)和(he)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)都應(ying)(ying)采用光(guang)面爆(bao)(bao)破(po)或預(yu)裂(lie)爆(bao)(bao)破(po),并(bing)闡述了(le)光(guang)面(預(yu)裂(lie))爆(bao)(bao)破(po)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技(ji)(ji)術設(she)(she)計(ji)的(de)(de)原則(ze)和(he)參數、安全措施(shi)(shi),而且(qie)還明(ming)確了(le)路塹邊(bian)(bian)坡(po)(po)(po)光(guang)面(預(yu)裂(lie))爆(bao)(bao)破(po)項目(mu)質量(liang)驗收(shou)檢(jian)測數量(liang)和(he)檢(jian)測方法。無疑該規(gui)(gui)程(cheng)的(de)(de)實施(shi)(shi),有力地推動和(he)促進(jin)(jin)了(le)光(guang)面(預(yu)裂(lie))爆(bao)(bao)破(po)技(ji)(ji)術在(zai)(zai)(zai)鐵路建(jian)設(she)(she)中(zhong)的(de)(de)應(ying)(ying)用與發(fa)展(zhan)。
1、先試探(tan)性的(de)(de)(de)(de)咨(zi)詢(xun)制(zhi)造(zao)(zao)(zao)商(shang)(shang)銷售(shou)人(ren)(ren)員(yuan):您要(yao)訂(ding)爆(bao)破(po)(po)線產(chan)(chan)品(pin)的(de)(de)(de)(de)型號(hao)中字母表(biao)示(shi)意(yi)思(si);規格(ge)(ge)中的(de)(de)(de)(de)數(shu)字表(biao)示(shi)意(yi)思(si);執行標準(zhun)中的(de)(de)(de)(de)字母及(ji)數(shu)字的(de)(de)(de)(de)表(biao)示(shi)意(yi)思(si)。如果(guo)制(zhi)造(zao)(zao)(zao)商(shang)(shang)銷售(shou)人(ren)(ren)員(yuan)回答時支支吾(wu)吾(wu)、一(yi)(yi)(yi)知半解甚至一(yi)(yi)(yi)無所知,可想而知,其(qi)(qi)(qi)生產(chan)(chan)的(de)(de)(de)(de)產(chan)(chan)品(pin)質量如何(he)。2、任何(he)一(yi)(yi)(yi)種產(chan)(chan)品(pin)都(dou)有其(qi)(qi)(qi)適(shi)用(yong)范圍和一(yi)(yi)(yi)定的(de)(de)(de)(de)使(shi)用(yong)環境(jing)。咨(zi)詢(xun)您要(yao)訂(ding)爆(bao)破(po)(po)線產(chan)(chan)品(pin)的(de)(de)(de)(de)性能(neng)(neng)、具體(ti)使(shi)用(yong)辦法、使(shi)用(yong)環境(jing)要(yao)求。如果(guo)制(zhi)造(zao)(zao)(zao)商(shang)(shang)銷售(shou)人(ren)(ren)員(yuan)給(gei)您的(de)(de)(de)(de)答復與您的(de)(de)(de)(de)要(yao)求不(bu)(bu)一(yi)(yi)(yi)致,應(ying)判定為:爆(bao)破(po)(po)線制(zhi)造(zao)(zao)(zao)商(shang)(shang)生產(chan)(chan)的(de)(de)(de)(de)產(chan)(chan)品(pin)型號(hao)規格(ge)(ge)單(dan)一(yi)(yi)(yi)或者(zhe)其(qi)(qi)(qi)生產(chan)(chan)的(de)(de)(de)(de)產(chan)(chan)品(pin)只是(shi)對(dui)其(qi)(qi)(qi)他廠商(shang)(shang)產(chan)(chan)品(pin)的(de)(de)(de)(de)簡單(dan)模仿。3、正(zheng)規產(chan)(chan)品(pin)都(dou)有其(qi)(qi)(qi)科學的(de)(de)(de)(de)生產(chan)(chan)工藝和流程。原材(cai)料合格(ge)(ge)供應(ying)商(shang)(shang)的(de)(de)(de)(de)選擇評(ping)定→原材(cai)料購(gou)進、運(yun)輸、儲存、保管→生產(chan)(chan)過程質量控制(zhi)→不(bu)(bu)合格(ge)(ge)品(pin)的(de)(de)(de)(de)處(chu)置及(ji)糾正(zheng)措施(shi)→運(yun)輸交付→售(shou)后服務均有嚴格(ge)(ge)的(de)(de)(de)(de)操作(zuo)規程。咨(zi)詢(xun)爆(bao)破(po)(po)線制(zhi)造(zao)(zao)(zao)商(shang)(shang)銷售(shou)人(ren)(ren)員(yuan)任何(he)一(yi)(yi)(yi)個節點,就(jiu)可知其(qi)(qi)(qi)是(shi)否有能(neng)(neng)力(生產(chan)(chan)管理水平(ping)、專(zhuan)業設備及(ji)過程檢測設備)生產(chan)(chan)出(chu)合格(ge)(ge)產(chan)(chan)品(pin)。