水壓光(guang)面爆(bao)破(po)(po)技(ji)術,是在(zai)水壓光(guang)面爆(bao)破(po)(po)技(ji)術基礎上發展起來的(de)一項新技(ji)術,其掏槽眼、輔助眼裝(zhuang)藥結構(gou)和爆(bao)破(po)(po)方式與(yu)水壓光(guang)面爆(bao)破(po)(po)相同(tong),但在(zai)周邊眼中安裝(zhuang)專用(yong)(yong)(yong)(yong)聚(ju)(ju)能管裝(zhuang)置替(ti)代常(chang)規爆(bao)破(po)(po)藥卷和傳爆(bao)線,利用(yong)(yong)(yong)(yong)聚(ju)(ju)能管產(chan)生(sheng)的(de)粒子射流(liu)動(dong)能、高壓爆(bao)破(po)(po)氣體應力及“氣楔”作用(yong)(yong)(yong)(yong),形(xing)成平整圓(yuan)順的(de)開挖輪廓(kuo)面,對控(kong)制超欠挖具(ju)有良好效果,有效提(ti)升(sheng)了隧道施工質量(liang)、進度和經濟效益(yi)。科(ke)學合理地利用(yong)(yong)(yong)(yong)能源(yuan),提(ti)高能源(yuan)利用(yong)(yong)(yong)(yong)效率,對節能減(jian)排也十分重要(yao)。利用(yong)(yong)(yong)(yong)聚(ju)(ju)能管兩(liang)端(duan)的(de)水平開出的(de)聚(ju)(ju)能槽產(chan)生(sheng)的(de)聚(ju)(ju)能射流(liu)效應對巖石進行破(po)(po)碎。據專家測算,由于聚(ju)(ju)能管兩(liang)端(duan)聚(ju)(ju)能槽產(chan)生(sheng)的(de)聚(ju)(ju)能切割效應,其能效比(bi)提(ti)升(sheng)一個量(liang)級。
聚(ju)能(neng)(neng)(neng)包(bao)由(you)炸(zha)、形(xing)罩(zhao)(zhao)、隔板、殼體(ti)、引信和(he)支架(jia)等部分組(zu)成(cheng),其(qi)作(zuo)(zuo)用及對(dui)(dui)聚(ju)能(neng)(neng)(neng)包(bao)威(wei)力的(de)(de)(de)(de)(de)影響分述如下。1.炸(zha),炸(zha)是聚(ju)能(neng)(neng)(neng)管爆(bao)破的(de)(de)(de)(de)(de)能(neng)(neng)(neng)源,炸(zha)的(de)(de)(de)(de)(de)爆(bao)壓越大(da),聚(ju)能(neng)(neng)(neng)彈威(wei)力越大(da);為得(de)(de)到高(gao)(gao)爆(bao)壓,需高(gao)(gao)爆(bao)速、高(gao)(gao)密度的(de)(de)(de)(de)(de)炸(zha)。常(chang)用炸(zha)有(you)梯恩梯、8321炸(zha)等,裝(zhuang)方法有(you)熔鑄(zhu),塑(su)裝(zhuang)和(he)壓裝(zhuang)多(duo)(duo)(duo)種。2.型(xing)(xing)罩(zhao)(zhao),型(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)(de)(de)作(zuo)(zuo)用是把炸(zha)的(de)(de)(de)(de)(de)爆(bao)炸(zha)能(neng)(neng)(neng)轉化成(cheng)罩(zhao)(zhao)體(ti)材(cai)料的(de)(de)(de)(de)(de)射流動能(neng)(neng)(neng),從(cong)而提高(gao)(gao)其(qi)穿透和(he)切(qie)割能(neng)(neng)(neng)力。型(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)(de)(de)材(cai)料必須滿足四點(dian)要求,即可壓縮性小(xiao)、密度高(gao)(gao)、塑(su)性和(he)延展性好,在(zai)形(xing)成(cheng)射流中不(bu)汽化。大(da)量試(shi)驗證明,用紫(zi)銅(tong)制作(zuo)(zuo)型(xing)(xing)罩(zhao)(zhao)效果(guo)好,其(qi)次為鑄(zhu)鐵、鋼和(he)陶瓷。型(xing)(xing)罩(zhao)(zhao)的(de)(de)(de)(de)(de)形(xing)狀(zhuang)多(duo)(duo)(duo)種多(duo)(duo)(duo)樣,主要有(you)軸對(dui)(dui)稱(cheng)型(xing)(xing),如圓錐形(xing)、半球形(xing)、拋物線形(xing)和(he)喇叭形(xing)等;面對(dui)(dui)稱(cheng)型(xing)(xing),常(chang)見的(de)(de)(de)(de)(de)有(you)用于切(qie)割屬(shu)板材(cai)的(de)(de)(de)(de)(de)直(zhi)線形(xing)和(he)用于切(qie)割管材(cai)的(de)(de)(de)(de)(de)環形(xing)聚(ju)能(neng)(neng)(neng)罩(zhao)(zhao)兩種;中心(xin)對(dui)(dui)稱(cheng)型(xing)(xing),這種球形(xing)聚(ju)能(neng)(neng)(neng)包(bao),中心(xin)有(you)球形(xing)空腔和(he)球形(xing)罩(zhao)(zhao),球形(xing)罩(zhao)(zhao)外敷設炸(zha),若能(neng)(neng)(neng)在(zai)瞬間(jian)同時起爆(bao),可在(zai)空腔中心(xin)點(dian)獲得(de)(de)極大(da)的(de)(de)(de)(de)(de)能(neng)(neng)(neng)量集中。在(zai)工程中常(chang)用的(de)(de)(de)(de)(de)是軸對(dui)(dui)稱(cheng)型(xing)(xing)和(he)面對(dui)(dui)稱(cheng)型(xing)(xing)兩類型(xing)(xing)罩(zhao)(zhao)。
水壓(ya)光(guang)(guang)面爆破技術在隧(sui)(sui)道(dao)掘進作(zuo)業中的(de)實(shi)際(ji)應用。提升(sheng)光(guang)(guang)面爆破水平、嚴抓隧(sui)(sui)道(dao)超挖管(guan)(guan)控進行了(le)介紹。聚能水壓(ya)光(guang)(guang)面爆破工(gong)(gong)藝技術很(hen)成熟(shu)、可操作(zuo)性很(hen)強(qiang)、材(cai)料成本很(hen)低、施工(gong)(gong)速度很(hen)快、節能環保(bao)效果很(hen)顯著、經濟(ji)效益(yi)社會(hui)效益(yi)很(hen)高。一(yi)是(shi)要(yao)提高對(dui)推(tui)廣該項技術重要(yao)性和必(bi)然性的(de)認(ren)識(shi);二(er)是(shi)要(yao)樹立必(bi)須采取聚能水壓(ya)光(guang)(guang)面爆破的(de)意識(shi);三是(shi)要(yao)堅持培訓(xun)、示范、監(jian)督(du)“三位一(yi)體”;四是(shi)要(yao)制(zhi)(zhi)定(ding)切(qie)實(shi)的(de)獎懲制(zhi)(zhi)度;五是(shi)要(yao)建立檢查監(jian)督(du)機(ji)制(zhi)(zhi),持續促進該項技術的(de)深入(ru)推(tui)廣。在隧(sui)(sui)道(dao)施工(gong)(gong)的(de)現場(chang)管(guan)(guan)理、科(ke)技創新(xin)、人才培養、經濟(ji)效益(yi)等方面的(de)不足。建議對(dui)施工(gong)(gong)一(yi)線(xian)基礎(chu)技術工(gong)(gong)作(zuo)扎實(shi)推(tui)進;對(dui)新(xin)工(gong)(gong)藝、先進工(gong)(gong)法要(yao)深入(ru)學習鉆研;對(dui)消極懈(xie)怠、故步自封的(de)思想要(yao)堅決(jue)抵(di)制(zhi)(zhi)。
在工程(cheng)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)中(zhong),常(chang)用(yong)的(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)有(you)(you):電(dian)(dian)(dian)力(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)(dao)火索(suo)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)索(suo)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)、導(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)。電(dian)(dian)(dian)力(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)是利用(yong)電(dian)(dian)(dian)能(neng)使雷(lei)管(guan)爆(bao)(bao)(bao)(bao)(bao)(bao)炸(zha),進而起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)藥的(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)芳(fang)法(fa)。它所需的(de)器材(cai)有(you)(you):電(dian)(dian)(dian)雷(lei)管(guan)、導(dao)(dao)線和(he)(he)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源(yuan)。電(dian)(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)(bao)網路的(de)連接形(xing)式(shi),要(yao)根據(ju)爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)方法(fa)、爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)規(gui)模、工程(cheng)的(de)重要(yao)性、所選起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源(yuan)及其(qi)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)能(neng)力(li)等(deng)進行(xing)選擇,基本連接方式(shi)有(you)(you):串聯(lian)、并聯(lian)、串并聯(lian)和(he)(he)并串聯(lian)等(deng)。電(dian)(dian)(dian)力(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)法(fa)具(ju)有(you)(you)較(jiao)(jiao)安全、可靠、準確、高(gao)(gao)效等(deng)優點,在國內(nei)外仍占有(you)(you)較(jiao)(jiao)大(da)比重。在大(da)、中(zhong)型爆(bao)(bao)(bao)(bao)(bao)(bao)破(po)(po)中(zhong),主要(yao)仍是用(yong)電(dian)(dian)(dian)力(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)。特別(bie)是在有(you)(you)瓦(wa)斯、礦塵爆(bao)(bao)(bao)(bao)(bao)(bao)炸(zha)的(de)環境中(zhong),電(dian)(dian)(dian)力(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)是主要(yao)的(de)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)方法(fa)。但電(dian)(dian)(dian)力(li)起(qi)(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)容(rong)易(yi)受各(ge)種電(dian)(dian)(dian)信號的(de)干擾而發生早(zao)爆(bao)(bao)(bao)(bao)(bao)(bao),因此在有(you)(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)(gao)壓(ya)感應電(dian)(dian)(dian)的(de)環境中(zhong),不能(neng)使用(yong)普通電(dian)(dian)(dian)雷(lei)管(guan)。
專用爆破聚能管是將炸藥裝在聚能管內,兩頭均放置了水袋,聚能管爆炸產生的高溫高壓射流,讓水袋產生“水楔”效應,使圍巖裂縫加劇延伸擴展。它是在水壓光面爆破基礎上發展起來的一項新技術,區別只是在周邊眼中安裝專用線性聚能藥管替代常規爆破藥卷和傳爆線,只要做到七大關鍵環節:水袋挺拔飽滿、炮泥軟硬適中、水袋裝填到底、炮泥回填到口、木棍逐節搗固、水藥緊密相連、槽面必須平行,就能對控制超欠挖起到良好效果。爆破聚能管廠家在(zai)推廣水壓爆破的(de)基礎上,去年9月,水壓聚能爆破的(de)成果上,今(jin)年更為深入地在(zai)興泉鐵路(lu)大(da)嶺隧道(dao)、牡佳鐵路(lu)麻山(shan)隧道(dao)采用(yong)了(le)(le)此項技(ji)術,積累了(le)(le)成功經驗。
使用(yong)(yong)單(dan)位或(huo)經銷(xiao)商在日常采(cai)(cai)購(gou)中使用(yong)(yong)搜(sou)索引擎搜(sou)索生(sheng)產(chan)(chan)(chan)(chan)廠商并(bing)購(gou)買產(chan)(chan)(chan)(chan)品已經成為很多企(qi)(qi)業(ye)(ye)和(he)經銷(xiao)商的(de)(de)(de)主要采(cai)(cai)購(gou)手(shou)(shou)段。根(gen)據我們從事網絡營銷(xiao)的(de)(de)(de)經歷,總結出(chu)(chu)以下幾點注意事項,希望能對(dui)(dui)采(cai)(cai)購(gou)的(de)(de)(de)企(qi)(qi)業(ye)(ye)起到一些幫助作(zuo)用(yong)(yong)。1、采(cai)(cai)購(gou)的(de)(de)(de)產(chan)(chan)(chan)(chan)品型號(hao)規(gui)格、質量(liang)標(biao)準(zhun)、技(ji)術參數應與(yu)采(cai)(cai)購(gou)計劃相符。2、采(cai)(cai)購(gou)產(chan)(chan)(chan)(chan)品時,就(jiu)是(shi)(shi)通(tong)過(guo)搜(sou)索引擎搜(sou)索自(zi)己需求的(de)(de)(de)產(chan)(chan)(chan)(chan)品,找出(chu)(chu)生(sheng)產(chan)(chan)(chan)(chan)和(he)銷(xiao)售(shou)該產(chan)(chan)(chan)(chan)品的(de)(de)(de)企(qi)(qi)業(ye)(ye),然(ran)后查看(kan)該生(sheng)產(chan)(chan)(chan)(chan)企(qi)(qi)業(ye)(ye)網站(zhan)是(shi)(shi)否經過(guo)其(qi)所在省份工(gong)(gong)信廳備案(an),并(bing)登錄(lu)查驗(yan)。3、查看(kan)該生(sheng)產(chan)(chan)(chan)(chan)企(qi)(qi)業(ye)(ye)網站(zhan)欄目配置、欄目內容是(shi)(shi)否足(zu)夠專業(ye)(ye),如大量(liang)出(chu)(chu)現與(yu)采(cai)(cai)購(gou)產(chan)(chan)(chan)(chan)品無關、雜亂無章的(de)(de)(de),聯(lian)系地(di)址標(biao)明xxx工(gong)(gong)業(ye)(ye)區、示范園而沒有(you)(you)路牌號(hao)的(de)(de)(de),只有(you)(you)手(shou)(shou)機號(hao)碼而沒有(you)(you)固定電(dian)話、傳真(zhen)地(di)的(de)(de)(de),足(zu)可認定該生(sheng)產(chan)(chan)(chan)(chan)企(qi)(qi)業(ye)(ye)為非正規(gui)的(de)(de)(de)家庭作(zuo)坊,不宜(yi)作(zuo)為采(cai)(cai)購(gou)對(dui)(dui)象(xiang)。