使用單位或經(jing)銷(xiao)(xiao)商(shang)在(zai)(zai)日常(chang)采(cai)購(gou)中使用搜(sou)(sou)(sou)索(suo)引擎搜(sou)(sou)(sou)索(suo)生(sheng)(sheng)產(chan)(chan)(chan)廠商(shang)并(bing)購(gou)買產(chan)(chan)(chan)品(pin)已經(jing)成為(wei)很多(duo)企(qi)業和(he)經(jing)銷(xiao)(xiao)商(shang)的主要(yao)采(cai)購(gou)手(shou)段(duan)。根(gen)據我們從事(shi)網(wang)絡營銷(xiao)(xiao)的經(jing)歷,總結出(chu)(chu)以下幾點注(zhu)意(yi)事(shi)項(xiang),希望能對采(cai)購(gou)的企(qi)業起到一些(xie)幫助作(zuo)(zuo)用。1、采(cai)購(gou)的產(chan)(chan)(chan)品(pin)型號(hao)規格(ge)、質量(liang)標準、技術(shu)參數(shu)應與采(cai)購(gou)計劃相符(fu)。2、采(cai)購(gou)產(chan)(chan)(chan)品(pin)時,就是(shi)通過(guo)搜(sou)(sou)(sou)索(suo)引擎搜(sou)(sou)(sou)索(suo)自己需求的產(chan)(chan)(chan)品(pin),找出(chu)(chu)生(sheng)(sheng)產(chan)(chan)(chan)和(he)銷(xiao)(xiao)售該(gai)產(chan)(chan)(chan)品(pin)的企(qi)業,然后(hou)查看該(gai)生(sheng)(sheng)產(chan)(chan)(chan)企(qi)業網(wang)站(zhan)是(shi)否(fou)經(jing)過(guo)其所在(zai)(zai)省份工(gong)信廳備(bei)案,并(bing)登錄查驗。3、查看該(gai)生(sheng)(sheng)產(chan)(chan)(chan)企(qi)業網(wang)站(zhan)欄目配置(zhi)、欄目內(nei)容是(shi)否(fou)足夠專業,如大(da)量(liang)出(chu)(chu)現與采(cai)購(gou)產(chan)(chan)(chan)品(pin)無關、雜亂無章(zhang)的,聯系地址標明xxx工(gong)業區、示范(fan)園而沒(mei)有(you)路牌號(hao)的,只(zhi)有(you)手(shou)機號(hao)碼而沒(mei)有(you)固定電話、傳真地的,足可認(ren)定該(gai)生(sheng)(sheng)產(chan)(chan)(chan)企(qi)業為(wei)非正規的家庭作(zuo)(zuo)坊,不宜(yi)作(zuo)(zuo)為(wei)采(cai)購(gou)對象。
火索起爆法,導火索起爆法是利用導火索傳遞火焰點燃火雷管進而起爆炸藥。這種起爆法所需的材料有:導火索、火雷管和點火材料。專業深孔爆破聚能管導火索起爆法操作簡單、靈活,使用方便,成本較低,廣泛應用于小型爆破和掘進。由于導火索的速燃、緩燃等弊病,在爆破中事故所占比重最大。不能多處裝藥同時起爆。導爆索起爆法,深孔爆破聚能管價格用(yong)導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)直(zhi)接起(qi)爆(bao)(bao)(bao)(bao)(bao)炸(zha)藥(yao)包的(de)(de)方(fang)法(fa)叫導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)起(qi)爆(bao)(bao)(bao)(bao)(bao)法(fa)。先用(yong)雷(lei)管(guan)(guan)起(qi)爆(bao)(bao)(bao)(bao)(bao)導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo),當導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)的(de)(de)爆(bao)(bao)(bao)(bao)(bao)轟波傳至炸(zha)藥(yao)包時(shi),將(jiang)炸(zha)藥(yao)引爆(bao)(bao)(bao)(bao)(bao)。在需(xu)要延時(shi)分段(duan)(duan)起(qi)爆(bao)(bao)(bao)(bao)(bao)的(de)(de)地(di)方(fang),將(jiang)導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)中接入繼(ji)爆(bao)(bao)(bao)(bao)(bao)管(guan)(guan),就能達到導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)毫秒爆(bao)(bao)(bao)(bao)(bao)破的(de)(de)目的(de)(de)。這種爆(bao)(bao)(bao)(bao)(bao)破法(fa)所需(xu)起(qi)爆(bao)(bao)(bao)(bao)(bao)材(cai)料有(you)(you):雷(lei)管(guan)(guan)、導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)和繼(ji)爆(bao)(bao)(bao)(bao)(bao)管(guan)(guan)等(deng)。導(dao)(dao)(dao)(dao)爆(bao)(bao)(bao)(bao)(bao)索(suo)起(qi)爆(bao)(bao)(bao)(bao)(bao)網(wang)路常用(yong)的(de)(de)有(you)(you):串聯(lian)、簇并(bing)(bing)聯(lian)、單向分段(duan)(duan)并(bing)(bing)聯(lian)和雙向分段(duan)(duan)并(bing)(bing)聯(lian)等(deng)。
是(shi)由(you)管體(ti)(ti)(ti)、前(qian)錐(zhui)形定(ding)(ding)格(ge)(ge)(ge)(ge)帽(mao)、后(hou)定(ding)(ding)格(ge)(ge)(ge)(ge)堵構成,管體(ti)(ti)(ti)為塑(su)性材料制成,呈管狀,管體(ti)(ti)(ti)外(wai)徑(jing)(jing)小于(yu)正(zheng)常(chang)炮(pao)眼內徑(jing)(jing),長度可隨爆破需要(yao)生(sheng)產,管體(ti)(ti)(ti)兩(liang)端(duan)(duan)各(ge)有(you)外(wai)螺(luo)紋(wen),兩(liang)端(duan)(duan)外(wai)螺(luo)紋(wen)間(jian)(jian)有(you)一(yi)(yi)縱向切(qie)縫(feng),切(qie)縫(feng)間(jian)(jian)等距有(you)加強筋,前(qian)錐(zhui)形定(ding)(ding)格(ge)(ge)(ge)(ge)帽(mao)呈傘(san)狀,傘(san)形尖有(you)一(yi)(yi)光孔,兩(liang)側(ce)直壁內徑(jing)(jing)有(you)螺(luo)紋(wen),與(yu)管體(ti)(ti)(ti)外(wai)徑(jing)(jing)前(qian)端(duan)(duan)螺(luo)紋(wen)配(pei)合(he),帽(mao)體(ti)(ti)(ti)外(wai)徑(jing)(jing)大(da)于(yu)管體(ti)(ti)(ti),后(hou)定(ding)(ding)格(ge)(ge)(ge)(ge)堵為一(yi)(yi)封蓋,外(wai)徑(jing)(jing)直徑(jing)(jing)大(da)于(yu)管體(ti)(ti)(ti)外(wai)徑(jing)(jing),與(yu)前(qian)錐(zhui)形定(ding)(ding)格(ge)(ge)(ge)(ge)帽(mao)外(wai)徑(jing)(jing)一(yi)(yi)致,后(hou)定(ding)(ding)格(ge)(ge)(ge)(ge)堵內徑(jing)(jing)有(you)螺(luo)紋(wen),與(yu)管體(ti)(ti)(ti)外(wai)徑(jing)(jing)后(hou)端(duan)(duan)螺(luo)紋(wen)配(pei)合(he)。可根據炮(pao)眼深度采(cai)用(yong)合(he)適(shi)的聚能管管體(ti)(ti)(ti),不(bu)需其他工(gong)具幫助送入炮(pao)眼,切(qie)縫(feng)方向準(zhun)確,兩(liang)端(duan)(duan)的前(qian)錐(zhui)形定(ding)(ding)格(ge)(ge)(ge)(ge)帽(mao)和后(hou)定(ding)(ding)格(ge)(ge)(ge)(ge)堵外(wai)徑(jing)(jing)與(yu)炮(pao)眼內徑(jing)(jing)一(yi)(yi)致,保證(zheng)聚能管管體(ti)(ti)(ti)同心,定(ding)(ding)向準(zhun)確。且利于(yu)工(gong)業化(hua)生(sheng)產,作業安全(quan)
不(bu)(bu)(bu)成功的(de)(de)(de)事(shi)例(li)是(shi)有(you)的(de)(de)(de),如爆(bao)(bao)(bao)(bao)而不(bu)(bu)(bu)倒、實(shi)施(shi)(shi)(shi)定向(xiang)爆(bao)(bao)(bao)(bao)破(po)(po)后沒有(you)按(an)爆(bao)(bao)(bao)(bao)破(po)(po)方案的(de)(de)(de)方向(xiang)倒塌等等。這(zhe)些事(shi)例(li)警示:從爆(bao)(bao)(bao)(bao)破(po)(po)設計、爆(bao)(bao)(bao)(bao)破(po)(po)器材質(zhi)量、爆(bao)(bao)(bao)(bao)破(po)(po)施(shi)(shi)(shi)工(gong)(gong)(gong)到起(qi)爆(bao)(bao)(bao)(bao)網路(lu)連(lian)接(jie)等,只(zhi)要(yao)有(you)一個(ge)環節(jie)出現(xian)失誤,都(dou)將影響爆(bao)(bao)(bao)(bao)破(po)(po)工(gong)(gong)(gong)程(cheng)的(de)(de)(de)效果,乃至(zhi)造成嚴重的(de)(de)(de)后果。爆(bao)(bao)(bao)(bao)破(po)(po)作(zuo)業無論是(shi)老(lao)舊建(jian)(jian)筑物(wu)(wu)本身(shen)還(huan)是(shi)周(zhou)圍環境都(dou)十(shi)分復雜,這(zhe)不(bu)(bu)(bu)僅要(yao)求認真調查爆(bao)(bao)(bao)(bao)破(po)(po)體(ti)的(de)(de)(de)結構(包括施(shi)(shi)(shi)工(gong)(gong)(gong)缺陷(xian)),分析受力狀況,同時(shi)還(huan)要(yao)對(dui)(dui)采(cai)取(qu)技(ji)術措施(shi)(shi)(shi)(如預(yu)處理(li)、嵌補、支撐等)的(de)(de)(de)可(ke)靠和(he)安全性進行分析,對(dui)(dui)可(ke)能出現(xian)的(de)(de)(de)意外情況,應預(yu)先制定應急方案,努(nu)力避(bi)免安全事(shi)故(gu)和(he)不(bu)(bu)(bu)必(bi)要(yao)的(de)(de)(de)損(sun)失。工(gong)(gong)(gong)程(cheng)的(de)(de)(de)環保性越來(lai)越受到人們的(de)(de)(de)關(guan)注,同時(shi),探索無公害的(de)(de)(de)拆除爆(bao)(bao)(bao)(bao)破(po)(po)技(ji)術,一直是(shi)爆(bao)(bao)(bao)(bao)破(po)(po)工(gong)(gong)(gong)作(zuo)者(zhe)追求的(de)(de)(de)目標。設立掩(yan)蔽體(ti)對(dui)(dui)物(wu)(wu)體(ti)加以保護(hu),簡(jian)單(dan)的(de)(de)(de)辦法是(shi)用(yong)草袋、竹笆一類材料(liao)覆蓋在(zai)需要(yao)保護(hu)的(de)(de)(de)物(wu)(wu)體(ti)上面;對(dui)(dui)房(fang)屋和(he)機(ji)器設備常要(yao)在(zai)迎面和(he)頂部(bu)豎立排架(jia),用(yong)木板或(huo)荊笆上罩鐵絲網,抵(di)御較(jiao)多的(de)(de)(de)飛石(shi)和(he)較(jiao)強的(de)(de)(de)空(kong)氣沖擊(ji)波的(de)(de)(de)打(da)擊(ji);對(dui)(dui)某(mou)些重要(yao)工(gong)(gong)(gong)程(cheng)的(de)(de)(de)建(jian)(jian)筑物(wu)(wu)打(da)防(fang)震孔或(huo)者(zhe)用(yong)預(yu)裂爆(bao)(bao)(bao)(bao)破(po)(po)將爆(bao)(bao)(bao)(bao)破(po)(po)區和(he)被保護(hu)的(de)(de)(de)建(jian)(jian)筑物(wu)(wu)或(huo)工(gong)(gong)(gong)程(cheng)設施(shi)(shi)(shi)隔離開來(lai)。