水(shui)(shui)壓爆(bao)破(po)(po)(po)是在(zai)炮(pao)孔(kong)兩(liang)端填充水(shui)(shui)袋,中(zhong)間裝上乳(ru)化(hua)炸(zha),炮(pao)孔(kong)再(zai)用(yong)炮(pao)泥封死,炮(pao)孔(kong)間距很大,兩(liang)個(ge)炮(pao)空之間相距了一(yi)米左右,是常(chang)規(gui)爆(bao)破(po)(po)(po)的(de)炮(pao)孔(kong)間距的(de)兩(liang)倍(bei),這(zhe)樣可(ke)以節省(sheng)(sheng)炮(pao)孔(kong)材(cai)料,這(zhe)兩(liang)個(ge)凹(ao)(ao)槽(cao)又稱(cheng)為(wei)(wei)聚(ju)能(neng)槽(cao),聚(ju)能(neng)槽(cao)非常(chang)重要,放(fang)置的(de)位(wei)置和方向都十分講究(jiu),一(yi)點(dian)也(ye)不(bu)能(neng)出(chu)錯,在(zai)爆(bao)破(po)(po)(po)的(de)瞬間,高溫高壓聚(ju)能(neng)射流立(li)即往凹(ao)(ao)槽(cao)兩(liang)邊(bian)的(de)巖(yan)石(shi)(shi)進行(xing)切割(ge)(ge),巖(yan)石(shi)(shi)如同豆腐(fu)一(yi)樣輕松被切割(ge)(ge)切割(ge)(ge)出(chu)來的(de)輪廓線十分平順,效果極好,聚(ju)能(neng)水(shui)(shui)壓爆(bao)破(po)(po)(po)中(zhong)的(de)水(shui)(shui)袋沒有降低爆(bao)破(po)(po)(po)的(de)效果,反而能(neng)保護隧(sui)道周邊(bian)植被,減少(shao)地質(zhi)擾(rao)動(dong),降低煙塵,重要的(de)是節省(sheng)(sheng)炸(zha)成(cheng)本(ben),在(zai)未來這(zhe)項技術會廣泛(fan)應用(yong)于工(gong)程(cheng)中(zhong),降低施工(gong)成(cheng)本(ben)。爆(bao)破(po)(po)(po)聚(ju)能(neng)管(guan)水(shui)(shui)壓光面(mian)爆(bao)破(po)(po)(po)較水(shui)(shui)壓光面(mian)爆(bao)破(po)(po)(po),在(zai)周邊(bian)眼單(dan)循(xun)環火工(gong)品(pin)使(shi)用(yong)量上節約(yue)費用(yong)8.3%,周邊(bian)眼鉆孔(kong)數量從39個(ge)下降為(wei)(wei)23個(ge)費用(yong)節約(yue)41%,混凝(ning)土噴(pen)射每延米節約(yue)1.37立(li)方米。
專用礦用型雙向聚能管水壓光面爆破較水壓光面爆破,在周邊眼單循環火工品使用量上節約費用8.3%,周邊眼鉆孔數量從39個下降為23個費用節約41%,混凝土噴射每延米節約1.37立方米。常州礦用型雙向聚能管水(shui)壓光(guang)(guang)(guang)面(mian)爆破(po)比水(shui)壓光(guang)(guang)(guang)面(mian)爆破(po)每循(xun)環節約(yue)費(fei)用258.4元,即每延(yan)米節約(yue)76較元,節約(yue)費(fei)用比例達32%。此(ci)外,聚(ju)能管(guan)(guan)(guan)水(shui)壓光(guang)(guang)(guang)面(mian)爆破(po)能有效(xiao)降低隧道內石渣塊(kuai)度和(he)粉塵含量,還可使通風時間(jian)有效(xiao)縮短33%。聚(ju)能管(guan)(guan)(guan)光(guang)(guang)(guang)面(mian)爆破(po)工(gong)藝(yi)技術很(hen)成(cheng)熟、可操作性很(hen)強、材(cai)料成(cheng)本(ben)很(hen)低、施工(gong)速度很(hen)快、節能環保效(xiao)果很(hen)顯著(zhu)、經濟效(xiao)益(yi)社(she)會效(xiao)益(yi)很(hen)高。聚(ju)能管(guan)(guan)(guan)定(ding)向(xiang)爆破(po)技術是近(jin)幾年發(fa)展(zhan)起來的(de)一項掘(jue)進新技術,這種(zhong)爆破(po)技術與(yu)傳統的(de)光(guang)(guang)(guang)面(mian)爆破(po)技術有一定(ding)的(de)差別(bie),聚(ju)能管(guan)(guan)(guan)定(ding)向(xiang)爆破(po)原理(li)是在巷(xiang)道周邊眼中(zhong),將炸(zha)裝在聚(ju)能管(guan)(guan)(guan)中(zhong)起爆,爆破(po)時利(li)用聚(ju)能管(guan)(guan)(guan)的(de)聚(ju)能作用,以減少(shao)裂(lie)(lie)隙(xi)的(de)數量和(he)控制優勢(shi)裂(lie)(lie)隙(xi)的(de)發(fa)展(zhan)方向(xiang)。
對(dui)(dui)(dui)于爆(bao)破(po)作業安(an)全(quan)(quan)技(ji)(ji)(ji)術的(de)(de)(de)(de)研究(jiu),是(shi)(shi)從兩個(ge)方面去考慮(lv)的(de)(de)(de)(de),一方面是(shi)(shi)炸和(he)起爆(bao)器材以(yi)及對(dui)(dui)(dui)其爆(bao)炸所造成的(de)(de)(de)(de)破(po)壞(huai)作用進(jin)行限制(zhi)的(de)(de)(de)(de)安(an)全(quan)(quan)技(ji)(ji)(ji)術,這(zhe)是(shi)(shi)主動(dong)的(de)(de)(de)(de)。另一個(ge)方面是(shi)(shi)對(dui)(dui)(dui)爆(bao)破(po)所產生(sheng)的(de)(de)(de)(de)危害(hai)采取(qu)的(de)(de)(de)(de)防(fang)護措(cuo)施,這(zhe)是(shi)(shi)被動(dong)的(de)(de)(de)(de)一個(ge)方面。兩者(zhe)對(dui)(dui)(dui)阻止爆(bao)破(po)帶來的(de)(de)(de)(de)破(po)壞(huai)性有(you)同(tong)樣的(de)(de)(de)(de)重(zhong)要性,但在具體的(de)(de)(de)(de)爆(bao)破(po)工(gong)程中,則常常會有(you)變化(hua)不(bu)定(ding)(ding)的(de)(de)(de)(de)現象和(he)后果,因此(ci),必須(xu)對(dui)(dui)(dui)每(mei)一項工(gong)程破(po)壞(huai)的(de)(de)(de)(de)具體情(qing)況作細致(zhi)的(de)(de)(de)(de)分析研究(jiu),從而(er)采取(qu)適(shi)當的(de)(de)(de)(de)對(dui)(dui)(dui)策。同(tong)時,雖然技(ji)(ji)(ji)術不(bu)斷(duan)取(qu)得進(jin)步(bu),須(xu)在操作過程中注(zhu)意每(mei)個(ge)工(gong)序,按照安(an)全(quan)(quan)規(gui)(gui)程認真作業。只(zhi)要嚴格遵守安(an)全(quan)(quan)規(gui)(gui)程、正確地(di)采取(qu)安(an)全(quan)(quan)技(ji)(ji)(ji)術措(cuo)施和(he)防(fang)護措(cuo)施,任何(he)規(gui)(gui)模、任何(he)種類的(de)(de)(de)(de)爆(bao)破(po)是(shi)(shi)可以(yi)確保安(an)全(quan)(quan)的(de)(de)(de)(de)。一些安(an)全(quan)(quan)規(gui)(gui)定(ding)(ding)的(de)(de)(de)(de)條(tiao)文是(shi)(shi)有(you)經驗教訓(xun)和(he)理論根據的(de)(de)(de)(de),有(you)的(de)(de)(de)(de)甚至是(shi)(shi)血的(de)(de)(de)(de)教訓(xun)的(de)(de)(de)(de)總結,所以(yi)一定(ding)(ding)要克服(fu)麻痹(bi)思想,嚴格執行安(an)全(quan)(quan)規(gui)(gui)定(ding)(ding),決不(bu)能以(yi)沒出過事(shi)故而(er)輕率地(di)"突(tu)破(po)"規(gui)(gui)定(ding)(ding)的(de)(de)(de)(de)"框框"。
水壓(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)技術(shu)基礎上發展起來的(de)一項新技術(shu),其掏槽眼、輔(fu)助眼裝藥(yao)結(jie)構和(he)爆(bao)(bao)破(po)方式(shi)與水壓(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)相同,但在周(zhou)邊(bian)眼中安裝專用(yong)(yong)(yong)線性聚能(neng)藥(yao)管替代常規爆(bao)(bao)破(po)藥(yao)卷(juan)和(he)傳爆(bao)(bao)線,利用(yong)(yong)(yong)線性聚能(neng)藥(yao)管產生(sheng)的(de)粒子射流動能(neng)、高壓(ya)爆(bao)(bao)破(po)氣體應力及“氣楔”作用(yong)(yong)(yong),形(xing)成平整圓順的(de)開挖輪廓面(mian)(mian),對控制超(chao)欠(qian)挖具有良好效果,有效提(ti)升(sheng)了隧道施工質量、進(jin)度和(he)經濟(ji)效益。水壓(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)較水壓(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po),在周(zhou)邊(bian)眼單循環火工品使(shi)用(yong)(yong)(yong)量上節約(yue)(yue)(yue)(yue)費(fei)(fei)用(yong)(yong)(yong)8.3%,周(zhou)邊(bian)眼鉆孔數量從39個下(xia)降為23個費(fei)(fei)用(yong)(yong)(yong)節約(yue)(yue)(yue)(yue)41%,混凝土噴射每延米節約(yue)(yue)(yue)(yue)1.37立方米。聚能(neng)水壓(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)比水壓(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)每循環節約(yue)(yue)(yue)(yue)費(fei)(fei)用(yong)(yong)(yong)258.4元,即(ji)每延米節約(yue)(yue)(yue)(yue)76較元,節約(yue)(yue)(yue)(yue)費(fei)(fei)用(yong)(yong)(yong)比例達(da)32%。此外,聚能(neng)水壓(ya)光(guang)面(mian)(mian)爆(bao)(bao)破(po)能(neng)有效降低(di)隧道內石渣塊度和(he)粉塵含量,還可使(shi)通風時(shi)間有效縮短33%。
聚能藥(yao)(yao)(yao)(yao)包(bao)破(po)(po)碎法(fa)(fa)(fa)特(te)點是(shi):不(bu)需要打眼(yan)(yan),因而不(bu)需要購(gou)買打眼(yan)(yan)設備和(he)(he)動力設備;施(shi)工(gong)(gong)簡單(dan),施(shi)工(gong)(gong)進(jin)度(du)(du)(du)比(bi)淺眼(yan)(yan)爆(bao)破(po)(po)法(fa)(fa)(fa)快(kuai)安全性比(bi)普(pu)通(tong)淺眼(yan)(yan)爆(bao)破(po)(po)法(fa)(fa)(fa)和(he)(he)普(pu)通(tong)裸露藥(yao)(yao)(yao)(yao)包(bao)法(fa)(fa)(fa)好;勞(lao)動強度(du)(du)(du)比(bi)淺眼(yan)(yan)爆(bao)破(po)(po)法(fa)(fa)(fa)低。制造(zao)聚能藥(yao)(yao)(yao)(yao)包(bao)所采(cai)用(yong)的(de)(de)炸藥(yao)(yao)(yao)(yao)有:黑索金(jin)和(he)(he)梯(ti)恩(en)梯(ti)混合熔鑄型;乳(ru)化油(you)炸藥(yao)(yao)(yao)(yao)和(he)(he)黑索金(jin)混裝型和(he)(he)二號巖石硝鉸炸藥(yao)(yao)(yao)(yao)壓(ya)制型。根據使(shi)用(yong)的(de)(de)結果證(zheng)明,選(xuan)用(yong)密度(du)(du)(du)較大(da)和(he)(he)爆(bao)速較高(gao)的(de)(de)炸藥(yao)(yao)(yao)(yao)制造(zao)聚能藥(yao)(yao)(yao)(yao)包(bao)能獲得較好的(de)(de)破(po)(po)碎效果。這主(zhu)要是(shi)由于(yu)它加工(gong)(gong)簡單(dan)和(he)(he)破(po)(po)碎能力較大(da)。在礦山由于(yu)二次(ci)破(po)(po)碎消耗(hao)的(de)(de)藥(yao)(yao)(yao)(yao)包(bao)較多,而且金(jin)屬(shu)藥(yao)(yao)(yao)(yao)型罩(zhao)的(de)(de)加工(gong)(gong)費工(gong)(gong)又費材料,所以多不(bu)采(cai)用(yong)藥(yao)(yao)(yao)(yao)型罩(zhao)。國內生產的(de)(de)一種用(yong)于(yu)破(po)(po)碎大(da)塊(kuai)的(de)(de)聚能藥(yao)(yao)(yao)(yao)包(bao),裝置聚能藥(yao)(yao)(yao)(yao)包(bao)時,要將藥(yao)(yao)(yao)(yao)包(bao)垂(chui)直裝在大(da)塊(kuai)的(de)(de)頂面(mian)上,聚能穴朝(chao)下。藥(yao)(yao)(yao)(yao)包(bao)位置應選(xuan)在頂面(mian)的(de)(de)幾(ji)何中心或附近較平整的(de)(de)地(di)點。然后在上面(mian)覆蓋泥沙。
采用一種抗(kang)靜電阻燃的(de)(de)特種塑料管(guan)(guan)(guan)(guan)(guan)(guan)、異形(xing)雙槽(cao)(cao)聚能管(guan)(guan)(guan)(guan)(guan)(guan),根據炮眼(yan)深度可長可短。是兩個相似半壁管(guan)(guan)(guan)(guan)(guan)(guan)組成(cheng),半壁管(guan)(guan)(guan)(guan)(guan)(guan)中(zhong)央有個凹(ao)進去的(de)(de)槽(cao)(cao)叫(jiao)做'聚能槽(cao)(cao)",使用聚能管(guan)(guan)(guan)(guan)(guan)(guan)光面爆(bao)(bao)破(po)(po)成(cheng)型效果好,開挖(wa)(wa)輪廓(kuo)線平順整齊,圍巖擾動減(jian)(jian)少(shao)、超欠挖(wa)(wa)明(ming)顯改(gai)善,有利于支(zhi)護(hu)工(gong)(gong)序施工(gong)(gong),同時(shi)(shi)混(hun)凝土回填成(cheng)本(ben)大為(wei)降低(di)。鑿孔(kong)(kong)(kong)率減(jian)(jian)少(shao)30%,大大降低(di)了爆(bao)(bao)破(po)(po)作業(ye)工(gong)(gong)班(ban)的(de)(de)勞動量(liang):鉆(zhan)孔(kong)(kong)(kong)縮短30分鐘、少(shao)打(da)眼(yan)、出(chu)渣量(liang)減(jian)(jian)少(shao),降低(di)了材料成(cheng)本(ben)、減(jian)(jian)少(shao)工(gong)(gong)時(shi)(shi)消耗、勞動效率明(ming)顯提高(gao)(gao),周邊眼(yan)爆(bao)(bao)破(po)(po)成(cheng)本(ben)降低(di)30%以(yi)上(shang),半眼(yan)痕(hen)保留率高(gao)(gao)達(da)85%以(yi)上(shang)。pvc爆(bao)(bao)破(po)(po)聚能管(guan)(guan)(guan)(guan)(guan)(guan)主(zhu)要應(ying)用于隧(sui)道(dao)、煤(mei)礦、鐵礦等需要進行光面爆(bao)(bao)破(po)(po)施工(gong)(gong)的(de)(de)工(gong)(gong)程(cheng)。采用聚能管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)光面爆(bao)(bao)破(po)(po)可減(jian)(jian)少(shao)鉆(zhan)孔(kong)(kong)(kong),擴大孔(kong)(kong)(kong)距(ju),減(jian)(jian)少(shao)導爆(bao)(bao)管(guan)(guan)(guan)(guan)(guan)(guan)用量(liang),減(jian)(jian)少(shao)超挖(wa)(wa),減(jian)(jian)少(shao)噴(pen)漿,提高(gao)(gao)半孔(kong)(kong)(kong)率,既節省(sheng)了成(cheng)本(ben)又提高(gao)(gao)了施工(gong)(gong)效率。