使(shi)用單(dan)位(wei)或經銷(xiao)商(shang)在日(ri)常采購(gou)中使(shi)用搜(sou)索(suo)引擎搜(sou)索(suo)生(sheng)(sheng)產(chan)廠商(shang)并購(gou)買產(chan)品已經成為(wei)很多企(qi)(qi)業(ye)和(he)經銷(xiao)商(shang)的(de)主要(yao)采購(gou)手段。根據我們從(cong)事網絡(luo)營銷(xiao)的(de)經歷,總結出(chu)(chu)以下(xia)幾點注意事項,希望(wang)能對采購(gou)的(de)企(qi)(qi)業(ye)起(qi)到一些(xie)幫(bang)助作用。1、采購(gou)的(de)產(chan)品型號規格(ge)、質量標準、技(ji)術參數應與采購(gou)計劃相(xiang)符。2、采購(gou)產(chan)品時,就是通(tong)過搜(sou)索(suo)引擎搜(sou)索(suo)自己需求的(de)產(chan)品,找(zhao)出(chu)(chu)生(sheng)(sheng)產(chan)和(he)銷(xiao)售該(gai)產(chan)品的(de)企(qi)(qi)業(ye),然后查看該(gai)生(sheng)(sheng)產(chan)企(qi)(qi)業(ye)網站(zhan)是否經過其(qi)所在省份工(gong)信(xin)廳備案,并登錄查驗。3、查看該(gai)生(sheng)(sheng)產(chan)企(qi)(qi)業(ye)網站(zhan)欄目配置、欄目內容(rong)是否足(zu)夠專(zhuan)業(ye),如大量出(chu)(chu)現與采購(gou)產(chan)品無關(guan)、雜亂無章的(de),聯(lian)系地(di)址標明xxx工(gong)業(ye)區(qu)、示范(fan)園而沒有(you)路牌號的(de),只有(you)手機號碼(ma)而沒有(you)固定電話、傳真地(di)的(de),足(zu)可(ke)認定該(gai)生(sheng)(sheng)產(chan)企(qi)(qi)業(ye)為(wei)非正規的(de)家庭作坊,不宜作為(wei)采購(gou)對象。
在(zai)(zai)工程爆(bao)(bao)(bao)破中(zhong)(zhong),常用(yong)的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)方法(fa)(fa)(fa)(fa)有(you)(you):電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)、導火索(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)、導爆(bao)(bao)(bao)索(suo)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)、導爆(bao)(bao)(bao)管(guan)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)。電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)是(shi)(shi)(shi)利用(yong)電(dian)(dian)能使雷(lei)管(guan)爆(bao)(bao)(bao)炸,進(jin)(jin)而(er)起(qi)(qi)(qi)爆(bao)(bao)(bao)炸藥(yao)的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)芳法(fa)(fa)(fa)(fa)。它所需的(de)(de)(de)器材有(you)(you):電(dian)(dian)雷(lei)管(guan)、導線和起(qi)(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)源。電(dian)(dian)爆(bao)(bao)(bao)網(wang)路的(de)(de)(de)連(lian)接形(xing)式,要(yao)(yao)根據(ju)爆(bao)(bao)(bao)破方法(fa)(fa)(fa)(fa)、爆(bao)(bao)(bao)破規(gui)模(mo)、工程的(de)(de)(de)重要(yao)(yao)性(xing)、所選(xuan)起(qi)(qi)(qi)爆(bao)(bao)(bao)電(dian)(dian)源及其起(qi)(qi)(qi)爆(bao)(bao)(bao)能力(li)等進(jin)(jin)行(xing)選(xuan)擇,基本連(lian)接方式有(you)(you):串(chuan)(chuan)(chuan)聯(lian)、并(bing)(bing)聯(lian)、串(chuan)(chuan)(chuan)并(bing)(bing)聯(lian)和并(bing)(bing)串(chuan)(chuan)(chuan)聯(lian)等。電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)法(fa)(fa)(fa)(fa)具有(you)(you)較安全、可靠、準(zhun)確、高(gao)效等優點(dian),在(zai)(zai)國內外仍占有(you)(you)較大比重。在(zai)(zai)大、中(zhong)(zhong)型爆(bao)(bao)(bao)破中(zhong)(zhong),主要(yao)(yao)仍是(shi)(shi)(shi)用(yong)電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)。特別是(shi)(shi)(shi)在(zai)(zai)有(you)(you)瓦斯(si)、礦塵爆(bao)(bao)(bao)炸的(de)(de)(de)環(huan)境中(zhong)(zhong),電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)是(shi)(shi)(shi)主要(yao)(yao)的(de)(de)(de)起(qi)(qi)(qi)爆(bao)(bao)(bao)方法(fa)(fa)(fa)(fa)。但電(dian)(dian)力(li)起(qi)(qi)(qi)爆(bao)(bao)(bao)容易受各種(zhong)電(dian)(dian)信號(hao)的(de)(de)(de)干擾而(er)發生早爆(bao)(bao)(bao),因此在(zai)(zai)有(you)(you)雜散電(dian)(dian)、靜電(dian)(dian)、雷(lei)電(dian)(dian)、射(she)頻電(dian)(dian)、高(gao)壓感應電(dian)(dian)的(de)(de)(de)環(huan)境中(zhong)(zhong),不(bu)能使用(yong)普通電(dian)(dian)雷(lei)管(guan)。
專用多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。宿遷多向聚能管水(shui)壓(ya)光(guang)面爆(bao)(bao)(bao)(bao)(bao)破(po)比水(shui)壓(ya)光(guang)面爆(bao)(bao)(bao)(bao)(bao)破(po)每(mei)循環節約費用(yong)(yong)(yong)258.4元,即每(mei)延米節約76較元,節約費用(yong)(yong)(yong)比例達(da)32%。此外(wai),聚(ju)能管(guan)(guan)水(shui)壓(ya)光(guang)面爆(bao)(bao)(bao)(bao)(bao)破(po)能有效降低(di)隧道內石渣塊度和粉(fen)塵含量,還可使通風時間有效縮(suo)短33%。聚(ju)能管(guan)(guan)光(guang)面爆(bao)(bao)(bao)(bao)(bao)破(po)工(gong)(gong)藝技(ji)術(shu)(shu)很(hen)(hen)成熟、可操作(zuo)(zuo)性很(hen)(hen)強(qiang)、材料成本很(hen)(hen)低(di)、施工(gong)(gong)速度很(hen)(hen)快、節能環保效果很(hen)(hen)顯著、經濟效益社會效益很(hen)(hen)高。聚(ju)能管(guan)(guan)定(ding)向爆(bao)(bao)(bao)(bao)(bao)破(po)技(ji)術(shu)(shu)是(shi)近(jin)幾年(nian)發展起來的(de)一項(xiang)掘進(jin)新(xin)技(ji)術(shu)(shu),這種爆(bao)(bao)(bao)(bao)(bao)破(po)技(ji)術(shu)(shu)與傳統的(de)光(guang)面爆(bao)(bao)(bao)(bao)(bao)破(po)技(ji)術(shu)(shu)有一定(ding)的(de)差(cha)別,聚(ju)能管(guan)(guan)定(ding)向爆(bao)(bao)(bao)(bao)(bao)破(po)原理(li)是(shi)在巷道周邊眼中(zhong)(zhong),將炸(zha)裝在聚(ju)能管(guan)(guan)中(zhong)(zhong)起爆(bao)(bao)(bao)(bao)(bao),爆(bao)(bao)(bao)(bao)(bao)破(po)時利用(yong)(yong)(yong)聚(ju)能管(guan)(guan)的(de)聚(ju)能作(zuo)(zuo)用(yong)(yong)(yong),以減少裂隙(xi)的(de)數量和控制優(you)勢(shi)裂隙(xi)的(de)發展方向。
是(shi)(shi)(shi)將炸藥裝(zhuang)在聚(ju)能(neng)管(guan)內,兩(liang)頭(tou)均放置了水(shui)袋,聚(ju)能(neng)管(guan)爆(bao)(bao)(bao)炸產(chan)生(sheng)的(de)高(gao)(gao)溫高(gao)(gao)壓射流,讓水(shui)袋產(chan)生(sheng)“水(shui)楔”效應(ying),使圍巖裂(lie)縫加(jia)劇延伸擴展。它是(shi)(shi)(shi)在水(shui)壓光面爆(bao)(bao)(bao)破(po)(po)基礎(chu)上(shang)發展起來的(de)一項(xiang)新技術(shu),區別只(zhi)(zhi)是(shi)(shi)(shi)在周邊眼中(zhong)(zhong)安裝(zhuang)專用線(xian)性聚(ju)能(neng)藥管(guan)替代常規爆(bao)(bao)(bao)破(po)(po)藥卷(juan)和傳爆(bao)(bao)(bao)線(xian),只(zhi)(zhi)要做到(dao)(dao)(dao)七大關(guan)鍵環節:水(shui)袋挺(ting)拔飽滿、炮(pao)泥軟硬適中(zhong)(zhong)、水(shui)袋裝(zhuang)填到(dao)(dao)(dao)底、炮(pao)泥回(hui)填到(dao)(dao)(dao)口、木棍逐節搗固、水(shui)藥緊密相連(lian)、槽(cao)面必須平(ping)行(xing),就能(neng)對控制超欠挖起到(dao)(dao)(dao)良好效果。在推(tui)廣水(shui)壓爆(bao)(bao)(bao)破(po)(po)的(de)基礎(chu)上(shang),去年(nian)9月,水(shui)壓聚(ju)能(neng)爆(bao)(bao)(bao)破(po)(po)的(de)成果上(shang),今年(nian)更為深入地(di)在興泉鐵(tie)路大嶺隧道、牡佳鐵(tie)路麻(ma)山隧道采(cai)用了此項(xiang)技術(shu),積(ji)累了成功經驗。
施工(gong)因其復雜性(xing)、專業(ye)性(xing)、危險性(xing),稍(shao)有不慎,將對人民的(de)(de)(de)生(sheng)命財產(chan)(chan)安全造(zao)成不可(ke)估量(liang)的(de)(de)(de)損失,例如(ru)廣(guang)東宏大寧(ning)夏“10.16”、山東保利“5.20”等(deng)重大安全事故(gu)。因此,相(xiang)較其他行業(ye),國家(jia)出臺(tai)的(de)(de)(de)相(xiang)關法(fa)(fa)律法(fa)(fa)規(gui)(gui)多、專、嚴,從爆(bao)(bao)(bao)破(po)材料(炸藥、雷管、導爆(bao)(bao)(bao)索?管?及相(xiang)關材料)的(de)(de)(de)生(sheng)產(chan)(chan)、購進(jin)、運輸、儲存、發放(fang)、布網、連接(jie)、起(qi)(qi)爆(bao)(bao)(bao)、排爆(bao)(bao)(bao)等(deng)一(yi)系列程(cheng)(cheng)序均有嚴格的(de)(de)(de)法(fa)(fa)律規(gui)(gui)定和(he)科學(xue)的(de)(de)(de)操作(zuo)規(gui)(gui)程(cheng)(cheng),并(bing)且相(xiang)關從業(ye)單位和(he)人員均應取得相(xiang)應資質(zhi)。做(zuo)為各類爆(bao)(bao)(bao)破(po)中不可(ke)或(huo)缺的(de)(de)(de)一(yi)種(zhong)導線(xian)(xian)(xian),特別(bie)不同于一(yi)般(ban)的(de)(de)(de)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜,其質(zhi)量(liang)要(yao)(yao)求及各項技(ji)(ji)術(shu)參數也與(yu)普通電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜不同。部分家(jia)庭(ting)作(zuo)坊式的(de)(de)(de)電(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)纜廠無科學(xue)的(de)(de)(de)生(sheng)產(chan)(chan)工(gong)藝、無基本的(de)(de)(de)檢測設備(bei)、無專業(ye)的(de)(de)(de)技(ji)(ji)術(shu)人員,甚至不知道爆(bao)(bao)(bao)破(po)線(xian)(xian)(xian)的(de)(de)(de)質(zhi)量(liang)要(yao)(yao)求和(he)技(ji)(ji)術(shu)參數,更(geng)不可(ke)能制訂自己(ji)的(de)(de)(de)企業(ye)標準,僅憑簡陋的(de)(de)(de)設備(bei)、以粗糙的(de)(de)(de)模仿進(jin)行生(sheng)產(chan)(chan)經營活動(dong),致(zhi)使市場充(chong)斥(chi)著假冒偽劣產(chan)(chan)品,導致(zhi)爆(bao)(bao)(bao)破(po)中提前或(huo)延遲(chi)起(qi)(qi)爆(bao)(bao)(bao)、盲炮增加且強制排爆(bao)(bao)(bao)困難,給人身安全和(he)財產(chan)(chan)以及正(zheng)常的(de)(de)(de)生(sheng)產(chan)(chan)經營活動(dong)造(zao)成了(le)不可(ke)估量(liang)的(de)(de)(de)損失。