陰(yin)極(ji)保護工(gong)程設計
陰極(ji)保(bao)(bao)護工程采(cai)用強制(zhi)電(dian)(dian)流陰保(bao)(bao)系統，包(bao)含電(dian)(dian)位儀、控制(zhi)柜、MMO/Ti型線(xian)性(xing)陽(yang)極(ji)、高硅鑄(zhu)鐵陽(yang)極(ji)、參比(bi)電(dian)(dian)極(ji)、極(ji)化探(tan)頭、各類接線(xian)箱安(an)裝及陰保(bao)(bao)電(dian)(dian)纜(lan)敷設(she)；利川站及潛江站以強制(zhi)電(dian)(dian)流為主，輔(fu)助(zhu)陽(yang)極(ji)為輔(fu)。強制(zhi)電(dian)(dian)流系統接入已建陰保(bao)(bao)系統中。主要包(bao)括(kuo)各類接線(xian)箱、MMO/Ti型線(xian)性(xing)陽(yang)極(ji)、鎂合金陽(yang)極(ji)、參比(bi)電(dian)(dian)極(ji)和極(ji)化探(tan)頭安(an)裝，以及陰保(bao)(bao)電(dian)(dian)纜(lan)敷設(she)。
施工準備
①技術準(zhun)備 a所有施工材(cai)料合格證、檢驗報(bao)告完(wan)成報(bao)驗手(shou)續。 b施工方(fang)案編制完(wan)并經(jing)審批。 c施工前組織施工人(ren)員熟悉圖紙、方(fang)案，并進(jin)行技術交底(di)。
②材料驗(yan)收 a施工(gong)材料的(de)出廠合格證。 b恒(heng)電位儀的(de)技術圖紙(zhi)和(he)安裝使用說(shuo)明書。c按照裝箱(xiang)(xiang)清單(dan)核對設備的(de)名稱(cheng)、型號(hao)、規(gui)格、箱(xiang)(xiang)號(hao)并檢查包裝箱(xiang)(xiang)情況。 d檢查參比電極外(wai)殼是否有破裂。 e對設備零部件的(de)外(wai)觀(guan)質(zhi)量(liang)進行檢查，并核對數量(liang)。 f電纜規(gui)格符合施工(gong)圖紙(zhi)要(yao)求(qiu)。
③現場(chang)準(zhun)備 a埋設柔(rou)性陽(yang)極(ji)的溝(gou)槽與埋地管(guan)(guan)道同時進(jin)行。 b柔(rou)性陽(yang)極(ji)組埋設場(chang)地的施工道路暢通。 c被保護管(guan)(guan)道的陰極(ji)通電點焊接管(guan)(guan)道段已(yi)裝到位。 d現場(chang)電纜溝(gou)已(yi)進(jin)行開挖。
施工方案
①恒電位儀安裝 a安裝程序 基礎驗收——開箱檢查—— 本體安裝 ——接線 ——本體接地 ——通電調(diao)試 b技術要求 在恒(heng)電(dian)位(wei)(wei)儀安(an)(an)裝(zhuang)之前，與土建專業進行工序(xu)交接(jie)(jie)(jie)(jie)(jie)，確(que)保(bao)設備(bei)基(ji)礎滿足設計(ji)要求。 恒(heng)電(dian)位(wei)(wei)儀在送電(dian)前必須全面進行檢查(cha)，各種接(jie)(jie)(jie)(jie)(jie)件應齊(qi)全，連接(jie)(jie)(jie)(jie)(jie)應良好(hao)，接(jie)(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)應正確(que)，主回路各螺栓連接(jie)(jie)(jie)(jie)(jie)處應牢固(gu)，設備(bei)接(jie)(jie)(jie)(jie)(jie)地應可靠。 電(dian)纜(lan)連接(jie)(jie)(jie)(jie)(jie)時應確(que)保(bao)極(ji)(ji)性正確(que)，并確(que)保(bao)電(dian)氣接(jie)(jie)(jie)(jie)(jie)觸(chu)導通良好(hao)。 恒(heng)電(dian)位(wei)(wei)儀規格為(wei)50V/40A，電(dian)源(yuan)為(wei)交流AC 220V,50Hz。 c安(an)(an)裝(zhuang)方法 控制(zhi)組件接(jie)(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)：將陽極(ji)(ji)電(dian)纜(lan)、陰極(ji)(ji)電(dian)纜(lan)、零位(wei)(wei)接(jie)(jie)(jie)(jie)(jie)陰線(xian)(xian)(xian)(xian)、參(can)比(bi)(bi)電(dian)極(ji)(ji)線(xian)(xian)(xian)(xian)和(he)機殼接(jie)(jie)(jie)(jie)(jie)地線(xian)(xian)(xian)(xian)分別接(jie)(jie)(jie)(jie)(jie)到(dao)控制(zhi)組件各自(zi)的接(jie)(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)柱上(shang)，接(jie)(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)應牢固(gu)。 恒(heng)電(dian)位(wei)(wei)儀設備(bei)安(an)(an)裝(zhuang)：恒(heng)電(dian)位(wei)(wei)儀安(an)(an)裝(zhuang)較簡單，只是將恒(heng)電(dian)位(wei)(wei)儀上(shang)電(dian)源(yuan)、零位(wei)(wei)接(jie)(jie)(jie)(jie)(jie)陰、參(can)比(bi)(bi)電(dian)極(ji)(ji)、陽極(ji)(ji)和(he)陰極(ji)(ji)對應接(jie)(jie)(jie)(jie)(jie)控制(zhi)組件的接(jie)(jie)(jie)(jie)(jie)線(xian)(xian)(xian)(xian)口上(shang)。
②輔助(zhu)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)組的(de)(de)(de)(de)安(an)(an)裝(zhuang)(zhuang)(zhuang) a安(an)(an)裝(zhuang)(zhuang)(zhuang)程序：陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)埋(mai)(mai)地(di)(di)坑開挖(wa)——陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)表面(mian)清理——陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)連接(jie)(jie)(jie)電(dian)纜焊接(jie)(jie)(jie)——鋁熱焊連接(jie)(jie)(jie)點(dian)防(fang)腐——埋(mai)(mai)設陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)——陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)回填 b技術要求：柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)與(yu)管(guan)(guan)(guan)道(dao)(dao)外(wai)壁的(de)(de)(de)(de)凈距(ju)離不小于管(guan)(guan)(guan)徑的(de)(de)(de)(de)1/2且不得(de)小于300mm，并(bing)與(yu)管(guan)(guan)(guan)底平齊(qi)。 柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)埋(mai)(mai)設在(zai)并(bing)行的(de)(de)(de)(de)管(guan)(guan)(guan)道(dao)(dao)中(zhong)間(jian)時，若(ruo)并(bing)行管(guan)(guan)(guan)道(dao)(dao)之(zhi)間(jian)間(jian)距(ju)過(guo)小，柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)可以(yi)(yi)安(an)(an)裝(zhuang)(zhuang)(zhuang)在(zai)兩根管(guan)(guan)(guan)道(dao)(dao)中(zhong)間(jian)正上方(fang)或正下方(fang)適當的(de)(de)(de)(de)位置以(yi)(yi)滿(man)足距(ju)離要求。 柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)與(yu)管(guan)(guan)(guan)道(dao)(dao)、接(jie)(jie)(jie)地(di)(di)極(ji)(ji)(ji)(ji)(ji)(ji)、或柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)之(zhi)間(jian)交(jiao)叉時，應采用Φ50mm的(de)(de)(de)(de)多(duo)孔(kong)(kong)軟塑料管(guan)(guan)(guan)子予以(yi)(yi)保(bao)護。 c輔助(zhu)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)安(an)(an)裝(zhuang)(zhuang)(zhuang)方(fang)法： 輔助(zhu)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)采用柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)。 輔助(zhu)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)安(an)(an)裝(zhuang)(zhuang)(zhuang)。在(zai)安(an)(an)裝(zhuang)(zhuang)(zhuang)輔助(zhu)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)時，應避(bi)免(mian)輔助(zhu)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)與(yu)堅硬材料碰撞。 輔助(zhu)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)埋(mai)(mai)設前，必須按產品性(xing)(xing)能(neng)指(zhi)標驗收，接(jie)(jie)(jie)頭(tou)必須密封，表面(mian)檢查無縫 隙。 柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)敷設：柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)與(yu)管(guan)(guan)(guan)道(dao)(dao)外(wai)壁的(de)(de)(de)(de)凈距(ju)離不小于管(guan)(guan)(guan)徑的(de)(de)(de)(de)1/2且不得(de)小于300mm，并(bing)與(yu)管(guan)(guan)(guan)底平行。橫門末站柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)組全部采用安(an)(an)裝(zhuang)(zhuang)(zhuang)管(guan)(guan)(guan)道(dao)(dao)兩側(ce)。柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)與(yu)管(guan)(guan)(guan)道(dao)(dao)、接(jie)(jie)(jie)地(di)(di)極(ji)(ji)(ji)(ji)(ji)(ji)、或柔(rou)(rou)(rou)性(xing)(xing)陽(yang)極(ji)(ji)(ji)(ji)(ji)(ji)之(zhi)間(jian)交(jiao)叉時，應采用Φ50mm的(de)(de)(de)(de)多(duo)孔(kong)(kong)軟塑料管(guan)(guan)(guan)子予以(yi)(yi)保(bao)護，多(duo)孔(kong)(kong)軟塑料管(guan)(guan)(guan)與(yu)已建管(guan)(guan)(guan)道(dao)(dao)或接(jie)(jie)(jie)地(di)(di)體設施保(bao)持≥200mm間(jian)距(ju)。
③電(dian)(dian)纜(lan)(lan)敷(fu)設(she) 電(dian)(dian)纜(lan)(lan)溝溝底深度為1.2m，底層回填(tian)(tian)200mm黃(huang)沙(sha)(sha)，黃(huang)沙(sha)(sha)上方(fang)(fang)回填(tian)(tian)1000mm原狀土(tu)。 溝底先回填(tian)(tian)100mm沙(sha)(sha)層后再(zai)敷(fu)設(she)電(dian)(dian)纜(lan)(lan)，然(ran)后在(zai)(zai)電(dian)(dian)纜(lan)(lan)上方(fang)(fang)回填(tian)(tian)100mm沙(sha)(sha)層。 在(zai)(zai)電(dian)(dian)纜(lan)(lan)的(de)正上方(fang)(fang)（沙(sha)(sha)層的(de)最上方(fang)(fang)）鋪設(she)一層機制磚。在(zai)(zai)機制磚上方(fang)(fang)回填(tian)(tian)原狀土(tu)。 電(dian)(dian)纜(lan)(lan)穿路需加鋼管作(zuo)套管，鋼套管防腐。
④電(dian)纜(lan)(lan)連接(jie) a電(dian)纜(lan)(lan)與管(guan)道(dao)連接(jie)：電(dian)纜(lan)(lan)與管(guan)道(dao)連接(jie)采用鋁(lv)熱焊(han)(han)，焊(han)(han)點(dian)(dian)離(li)管(guan)道(dao)焊(han)(han)縫大于100mm。 在管(guan)道(dao)防腐層上開出(chu)足夠焊(han)(han)接(jie)面積的(de)圓(yuan)孔，除(chu)(chu)去(qu)管(guan)壁(bi)表面的(de)氧化(hua)層，露出(chu)金屬(shu)光澤(ze)，電(dian)纜(lan)(lan)芯(xin)線應伸出(chu)50mm，并保證清潔、干(gan)燥、無(wu)油脂，用鋁(lv)熱焊(han)(han)膜具固定電(dian)纜(lan)(lan)并進(jin)行(xing)焊(han)(han)接(jie)。 焊(han)(han)后應除(chu)(chu)去(qu)焊(han)(han)渣，并適度敲平(ping)焊(han)(han)點(dian)(dian)，不合格的(de)連接(jie)必須通過磨擦去(qu)除(chu)(chu)，而且不得減薄(bo)管(guan)線壁(bi)厚(hou)，新的(de)連接(jie)點(dian)(dian)必須移到距先前(qian)焊(han)(han)點(dian)(dian)處至少(shao)75mm。 焊(han)(han)后對鋁(lv)熱焊(han)(han)點(dian)(dian)四周(zhou)按照St3級進(jin)行(xing)表面處理(li)，然后將焊(han)(han)接(jie)處涂覆與管(guan)道(dao)防腐層配套的(de)無(wu)溶劑液態(tai)環氧，再(zai)用外纏聚丙烯膠(jiao)粘(zhan)帶防腐，補傷片邊緣距破損邊緣應不小(xiao)于100㎜。
b電纜與(yu)電纜的連接： 電纜與(yu)電纜的連接采用(yong)Φ10銅(tong)管進(jin)行(xing)鉗接。 除(chu)去電纜端絕緣(yuan)層，芯(xin)線應露出40mm。 將(jiang)需連接電纜芯(xin)線伸入(ru)銅(tong)Φ10銅(tong)管中，用(yong)專用(yong)壓線鉗進(jin)行(xing)壓接。 電纜壓接完成后，在(zai)銅(tong)管及(ji)電纜芯(xin)線上涂(tu)上熱(re)熔膠(jiao)，再用(yong)電纜專用(yong)熱(re)收縮套進(jin)行(xing)加熱(re)、收縮密(mi)封(feng)防腐。
⑤匯(hui)流(liu)點(dian)(dian)、通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)點(dian)(dian)、測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)點(dian)(dian)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang) a安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)程序：陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)敷設(she)——陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)與(yu)(yu)(yu)(yu)(yu)管(guan)道(dao)(dao)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)——鋁(lv)熱(re)焊(han)(han)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)點(dian)(dian)防(fang)(fang)腐(fu)(fu)(fu) b匯(hui)流(liu)點(dian)(dian)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)方法： 防(fang)(fang)爆分流(liu)箱至各饋流(liu)點(dian)(dian)之間的(de)(de)陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)敷設(she)好。 將(jiang)(jiang)輸氣(qi)管(guan)道(dao)(dao)與(yu)(yu)(yu)(yu)(yu)陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)焊(han)(han)接(jie)(jie)(jie)(jie)(jie)，對(dui)(dui)鋁(lv)熱(re)焊(han)(han)點(dian)(dian)進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)防(fang)(fang)腐(fu)(fu)(fu)。 c通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)點(dian)(dian)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)方法： 通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)點(dian)(dian)施工主要包括：（陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、零位(wei)(wei)(wei)接(jie)(jie)(jie)(jie)(jie)陰(yin)(yin)(yin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)）敷設(she)、參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)、（陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、零位(wei)(wei)(wei)接(jie)(jie)(jie)(jie)(jie)陰(yin)(yin)(yin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)）焊(han)(han)接(jie)(jie)(jie)(jie)(jie)及防(fang)(fang)腐(fu)(fu)(fu)。 參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)選(xuan)用長效(xiao)硫(liu)酸銅(tong)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)，埋(mai)設(she)前將(jiang)(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)本體放在(zai)凈水中浸(jin)泡24小時以(yi)上，確保(bao)(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)充分浸(jin)透。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)搬運時要小心(xin)，以(yi)免震(zhen)裂(lie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)，禁止扯(che)拉(la)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)導線(xian)。 將(jiang)(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)埋(mai)入預先開(kai)挖的(de)(de)埋(mai)設(she)坑(keng)，再向埋(mai)設(she)坑(keng)澆淡(dan)水，以(yi)保(bao)(bao)證電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)狀(zhuang)態。 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)時要貼近(jin)管(guan)道(dao)(dao)立(li)式(shi)埋(mai)設(she)，與(yu)(yu)(yu)(yu)(yu)管(guan)道(dao)(dao)外(wai)壁(bi)距(ju)離不小于200mm。 將(jiang)(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)導線(xian)與(yu)(yu)(yu)(yu)(yu)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)（電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)及防(fang)(fang)腐(fu)(fu)(fu)見電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)一節）。 陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、零位(wei)(wei)(wei)接(jie)(jie)(jie)(jie)(jie)陰(yin)(yin)(yin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)：將(jiang)(jiang)輸氣(qi)管(guan)道(dao)(dao)分別與(yu)(yu)(yu)(yu)(yu)陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、零位(wei)(wei)(wei)接(jie)(jie)(jie)(jie)(jie)陰(yin)(yin)(yin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)焊(han)(han)接(jie)(jie)(jie)(jie)(jie)，對(dui)(dui)鋁(lv)熱(re)焊(han)(han)點(dian)(dian)進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)防(fang)(fang)腐(fu)(fu)(fu)。 d測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)點(dian)(dian)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)方法： 測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)點(dian)(dian)施工主要包括：（管(guan)道(dao)(dao)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)）敷設(she)、參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)、測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)、（陰(yin)(yin)(yin)極(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、零位(wei)(wei)(wei)接(jie)(jie)(jie)(jie)(jie)陰(yin)(yin)(yin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)、參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)）焊(han)(han)接(jie)(jie)(jie)(jie)(jie)及防(fang)(fang)腐(fu)(fu)(fu)。 測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)點(dian)(dian)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)與(yu)(yu)(yu)(yu)(yu)通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)點(dian)(dian)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)方法相(xiang)同(tong)，待電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)完并與(yu)(yu)(yu)(yu)(yu)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)后，再將(jiang)(jiang)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)與(yu)(yu)(yu)(yu)(yu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)樁(zhuang)接(jie)(jie)(jie)(jie)(jie)線(xian)柱進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)。 將(jiang)(jiang)輸氣(qi)管(guan)道(dao)(dao)與(yu)(yu)(yu)(yu)(yu)管(guan)道(dao)(dao)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)焊(han)(han)接(jie)(jie)(jie)(jie)(jie)，對(dui)(dui)鋁(lv)熱(re)焊(han)(han)點(dian)(dian)進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)防(fang)(fang)腐(fu)(fu)(fu)，再將(jiang)(jiang)管(guan)道(dao)(dao)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)與(yu)(yu)(yu)(yu)(yu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)樁(zhuang)接(jie)(jie)(jie)(jie)(jie)線(xian)柱進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)。每(mei)個(ge)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)點(dian)(dian)的(de)(de)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)樁(zhuang)處設(she)置一個(ge)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)，測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)在(zai)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)的(de)(de)正(zheng)下(xia)方，安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)時必須保(bao)(bao)證參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)與(yu)(yu)(yu)(yu)(yu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)之間有50mm的(de)(de)間隔距(ju)離。 測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)用厚4mm的(de)(de)鋼板制備，測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)與(yu)(yu)(yu)(yu)(yu)管(guan)體才是相(xiang)同(tong)，然后經除(chu)銹和去除(chu)扎制氧化制皮。在(zai)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)與(yu)(yu)(yu)(yu)(yu)參(can)(can)(can)(can)比(bi)(bi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)正(zheng)對(dui)(dui)的(de)(de)上表面留出10mmX10mm的(de)(de)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)面，其余部分噴涂環氧樹(shu)脂密封。測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)(lan)通過鋁(lv)熱(re)焊(han)(han)與(yu)(yu)(yu)(yu)(yu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)片(pian)(pian)(pian)連(lian)(lian)(lian)(lian)(lian)接(jie)(jie)(jie)(jie)(jie)，焊(han)(han)點(dian)(dian)處用環氧樹(shu)脂進(jin)(jin)行(xing)(xing)(xing)(xing)(xing)防(fang)(fang)腐(fu)(fu)(fu)密封。
⑥參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)安(an)(an)裝(zhuang)(zhuang)(zhuang) a安(an)(an)裝(zhuang)(zhuang)(zhuang)程序：材料(liao)檢查、浸(jin)泡(pao)(pao)24H——參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)坑開挖——參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)安(an)(an)裝(zhuang)(zhuang)(zhuang) b安(an)(an)裝(zhuang)(zhuang)(zhuang)方法(fa)： 參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)采用預包裝(zhuang)(zhuang)(zhuang)長效硫(liu)酸銅參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)。 參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)安(an)(an)裝(zhuang)(zhuang)(zhuang)于(yu)通電(dian)(dian)(dian)點及測試點附(fu)近，埋設(she)前參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)本體(ti)應(ying)在凈(jing)水中(zhong)浸(jin)泡(pao)(pao)24小時(shi)以上，確保參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)從分浸(jin)潤(run)。 參(can)(can)(can)比(bi)(bi)(bi)(bi)電(dian)(dian)(dian)極(ji)(ji)安(an)(an)裝(zhuang)(zhuang)(zhuang)過程中(zhong)不得造成(cheng)電(dian)(dian)(dian)極(ji)(ji)外殼的破裂。
⑦絕(jue)(jue)緣(yuan)(yuan)接(jie)頭(tou)(tou)保(bao)護(hu)(hu)器安裝(zhuang) 絕(jue)(jue)緣(yuan)(yuan)接(jie)頭(tou)(tou)保(bao)護(hu)(hu)器為埋地(di)型(xing)火花間隙，其電纜(lan)與管(guan)道焊接(jie)后，應用絕(jue)(jue)緣(yuan)(yuan)膠帶將電纜(lan)固定在(zai)管(guan)道上，絕(jue)(jue)緣(yuan)(yuan)接(jie)頭(tou)(tou)保(bao)護(hu)(hu)器本體與絕(jue)(jue)緣(yuan)(yuan)接(jie)頭(tou)(tou)之(zhi)間應有(you)不(bu)小于(yu)100mm的(de)距(ju)離。 絕(jue)(jue)緣(yuan)(yuan)接(jie)頭(tou)(tou)保(bao)護(hu)(hu)器與管(guan)道焊接(jie)點(dian)每(mei)側(ce)距(ju)離絕(jue)(jue)緣(yuan)(yuan)接(jie)頭(tou)(tou)與管(guan)道焊縫位置有(you)500mm。被(bei)保(bao)護(hu)(hu)管(guan)道一(yi)側(ce)共設置3處測(ce)試電纜(lan)，非保(bao)護(hu)(hu)管(guan)段一(yi)側(ce)設置1處測(ce)試電纜(lan)。
⑧防(fang)(fang)(fang)爆(bao)(bao)(bao)型接(jie)(jie)(jie)線(xian)(xian)箱(xiang)(xiang)和(he)(he)均(jun)壓線(xian)(xian)接(jie)(jie)(jie)線(xian)(xian)箱(xiang)(xiang)安裝(zhuang) 鍍鋅鋼管(guan)與底板可采(cai)用角焊(han)，鋼管(guan)埋(mai)設應豎(shu)直埋(mai)地(di)部分(fen)鍍鋅鋼管(guan)和(he)(he)底板與站內埋(mai)地(di)管(guan)道(dao)采(cai)用一樣的防(fang)(fang)(fang)腐(fu)(fu)處理，露空(kong)部分(fen)采(cai)用與站內露空(kong)設備(bei)相同的涂料防(fang)(fang)(fang)腐(fu)(fu)。 防(fang)(fang)(fang)爆(bao)(bao)(bao)型陽(yang)(yang)極接(jie)(jie)(jie)線(xian)(xian)箱(xiang)(xiang)用M6鍍鋅U型卡固(gu)定在鋼管(guan)柱(zhu)上。 電(dian)(dian)纜穿過Φ30隔(ge)爆(bao)(bao)(bao)型撓性連(lian)接(jie)(jie)(jie)管(guan)進(jin)出(chu)防(fang)(fang)(fang)爆(bao)(bao)(bao)型陽(yang)(yang)極接(jie)(jie)(jie)線(xian)(xian)箱(xiang)(xiang)箱(xiang)(xiang)，撓性連(lian)接(jie)(jie)(jie)管(guan)與防(fang)(fang)(fang)爆(bao)(bao)(bao)型陽(yang)(yang)極接(jie)(jie)(jie)線(xian)(xian)箱(xiang)(xiang)連(lian)接(jie)(jie)(jie)后(hou)入地(di)。 電(dian)(dian)纜通(tong)過銅鼻(bi)子用螺栓連(lian)接(jie)(jie)(jie)，連(lian)接(jie)(jie)(jie)應牢固(gu)，必須保(bao)證(zheng)完(wan)全電(dian)(dian)氣連(lian)通(tong)。 連(lian)接(jie)(jie)(jie)電(dian)(dian)纜引入箱(xiang)(xiang)體(ti)，并(bing)調試完(wan)成后(hou)，將防(fang)(fang)(fang)爆(bao)(bao)(bao)型陽(yang)(yang)極接(jie)(jie)(jie)線(xian)(xian)箱(xiang)(xiang)的密(mi)封圈、墊及(ji)密(mi)封膠按要求安裝(zhuang)好(hao)，上好(hao)封蓋，并(bing)擰緊螺栓。
陰極保護(hu)施工質量控制(zhi)
①保證所(suo)有材料符合技術(shu)條(tiao)件要求，沒有機械(xie)損(sun)傷，任何損(sun)傷和(he)差異都(dou)應記(ji)錄并向材料部門報(bao)告。所(suo)有的(de)器材都(dou)應存放在干凈(jing)的(de)場地并有防(fang)雨(yu)防(fang)潮遮蓋。
②質量檢查員應按(an)照(zhao)(zhao)圖紙和有(you)關要求(qiu)檢查測試(shi)樁(zhuang)(zhuang)的位置。按(an)照(zhao)(zhao)有(you)關要求(qiu)檢查測試(shi)樁(zhuang)(zhuang)的安裝(zhuang)，應符合(he)(he)圖紙要求(qiu)。鋁熱焊接(jie)方法應正確。測試(shi)樁(zhuang)(zhuang)安裝(zhuang)完成之后，應對照(zhao)(zhao)記錄進行核對檢查，防止漏設(she)和混設(she)，陰極保護接(jie)線防腐要符合(he)(he)規范要求(qiu)。
③移動設(she)備之前應對設(she)備進行機械損傷檢(jian)查，特別要注(zhu)意控制裝置和測量儀表的控制板。
④檢查(cha)電(dian)纜溝和導管位置(zhi)的(de)直(zhi)線性，以(yi)保證電(dian)纜埋設(she)時(shi)有足夠的(de)埋深和填實。 陽極鋪設(she)應檢查(cha)其(qi)線性、水(shui)平(ping)和方位是否符(fu)合圖紙。
⑤對陽極電纜(lan)溝及(ji)其深度(du)進行檢查(cha)，其覆蓋層和保(bao)護層、對電纜(lan)的(de)接地應符合要(yao)求。
⑥對(dui)照鋪設圖紙對(dui)陽極的(de)位置進(jin)行(xing)檢查(cha)。應對(dui)陽極的(de)安裝情況、回(hui)填料的(de)深度、鋪展和壓實情況進(jin)行(xing)檢查(cha)，以(yi)保證其(qi)深度和與其(qi)要(yao)保護的(de)構件的(de)距離正確(que)。對(dui)陽極電(dian)纜溝(gou)及其(qi)深度進(jin)行(xing)檢查(cha)，對(dui)陽極電(dian)纜的(de)接地和所加的(de)保護層也(ye)要(yao)進(jin)行(xing)檢查(cha)，以(yi)保證符合(he)規定。
⑦電(dian)纜(lan)與管(guan)道連接(jie)(jie)、電(dian)纜(lan)與帶狀陽(yang)極(ji)的連接(jie)(jie)均(jun)采(cai)用(yong)鋁熱焊(han)，應對連接(jie)(jie)處的防腐進(jin)行檢查。
⑧檢(jian)查(cha)參比電極的(de)埋設(she)位置(zhi)，以保證符合(he)圖紙的(de)有關要求。
河南邦信陰極(ji)保護系統設(she)計安(an)裝施工公司
