瑞凌公司的影響及特(te)點介紹(shao)：

鍍鋅扁鋼接地(di)網對陰極保護的影響

如(ru)果(guo)鍍鋅層不(bu)(bu)破壞或破壞不(bu)(bu)嚴重，接地(di)陶(tao)的自(zi)然電(dian)(dian)位(wei)接近(jin)鋅陽極的電(dian)(dian)位(wei)(實際(ji)測量值為(wei)-i 03—-1. 08V CSE)。當外加(jia)電(dian)(dian)流陰極保(bao)護電(dian)(dian)位(wei)（通電(dian)(dian)電(dian)(dian)位(wei)1比-i.iov CSE負時，開始漏(lou)失陰極保(bao)護電(dian)(dian)流。

哈(ha)中二期(qi)輸油瞥道，在閥室(shi)(shi)安裝鍍(du)鋅圓鋼及扁鋼作為(wei)接(jie)(jie)地(di)(di)網并與截斷(duan)閥連接(jie)(jie)。實際(ji)測量管道電(dian)(dian)(dian)位為(wei)-1 05V CSE（管道沿線有(you)2支鎂陽極，電(dian)(dian)(dian)位-1 ssv CSE），外加電(dian)(dian)(dian)流陰(yin)(yin)極保(bao)護投(tou)用后，30#陰(yin)(yin)保(bao)站閥室(shi)(shi)處．通電(dian)(dian)(dian)電(dian)(dian)(dian)位l.195V CSE;距離陰(yin)(yin)保(bao)站24公里處3l#閥室(shi)(shi)，通電(dian)(dian)(dian)電(dian)(dian)(dian)位1 129 V CSE，從電(dian)(dian)(dian)位曲線可以看出(chu)，由于(yu)閥室(shi)(shi)接(jie)(jie)地(di)(di)，該(gai)處的電(dian)(dian)(dian)位值仍(reng)然(ran)(ran)較正，但它(ta)對兩側的陰(yin)(yin)極保(bao)護電(dian)(dian)(dian)位影(ying)響不是很大，當然(ran)(ran)，只有(you)通過測量斷(duan)電(dian)(dian)(dian)電(dian)(dian)(dian)位才(cai)能較終確(que)定(ding)保(bao)護是否充(chong)分。

在哈中輸(shu)油(you)管(guan)道(dao)(dao)一(yi)期，沿(yan)線閥(fa)室(shi)(shi)(shi)(shi)采(cai)用石墨(mo)接(jie)地(di)模塊。在36#閩室(shi)(shi)(shi)(shi)管(guan)道(dao)(dao)和接(jie)地(di)網短(duan)路(lu)，該(gai)閥(fa)室(shi)(shi)(shi)(shi)裝有恒電(dian)(dian)(dian)(dian)位(wei)(wei)(wei)儀(yi)，輸(shu)出電(dian)(dian)(dian)(dian)壓：6 0V，電(dian)(dian)(dian)(dian)流(liu)2 0A，通電(dian)(dian)(dian)(dian)點電(dian)(dian)(dian)(dian)位(wei)(wei)(wei)-0. 94V CSE: 36公里(li)(li)處(chu)閥(fa)室(shi)(shi)(shi)(shi), -1.64V;50公里(li)(li)處(chu)閥(fa)室(shi)(shi)(shi)(shi)-1. 42V。將(jiang)短(duan)路(lu)排除后，恒電(dian)(dian)(dian)(dian)位(wei)(wei)(wei)儀(yi)輸(shu)出電(dian)(dian)(dian)(dian)壓：3.19V，輸(shu)出電(dian)(dian)(dian)(dian)流(liu)：0 76A，50公里(li)(li)處(chu)閥(fa)室(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)位(wei)(wei)(wei)-1. 22r。該(gai)例子可以說明，石墨(mo)接(jie)地(di)板短(duan)路(lu)，造(zao)成(cheng)保(bao)護距離的(de)加(jia)大。甚至會造(zao)成(cheng)離開通電(dian)(dian)(dian)(dian)點處(chu)的(de)管(guan)道(dao)(dao)過保(bao)護。31#閥(fa)室(shi)(shi)(shi)(shi)沒有恒電(dian)(dian)(dian)(dian)位(wei)(wei)(wei)儀(yi)，管(guan)道(dao)(dao)與按地(di)網短(duan)路(lu)。短(duan)路(lu)排除前，電(dian)(dian)(dian)(dian)位(wei)(wei)(wei)-0 64V，短(duan)路(lu)排除后，電(dian)(dian)(dian)(dian)位(wei)(wei)(wei)1.116V。

該事實也說明，石墨(mo)接地(di)模(mo)塊(kuai)對陰(yin)極保(bao)護(hu)(hu)(hu)造成了非常不(bu)利(li)的(de)影(ying)響(xiang)(xiang)，因此，以(yi)后(hou)的(de)工(gong)程中要(yao)禁止使用(yong)石墨(mo)接地(di)模(mo)塊(kuai)。需要(yao)注(zhu)意的(de)是，鍍鋅(xin)扁鐵(tie)接地(di)極盡(jin)管在投用(yong)初期(qi)，對陰(yin)極保(bao)護(hu)(hu)(hu)的(de)影(ying)響(xiang)(xiang)不(bu)大，但不(bu)能(neng)代表長期(qi)運營(ying)后(hou)對陰(yin)極保(bao)護(hu)(hu)(hu)仍(reng)然影(ying)響(xiang)(xiang)不(bu)大。如(ru)果接地(di)網(wang)得不(bu)到充分保(bao)護(hu)(hu)(hu)，時間長了之后(hou)，鍍鋅(xin)層根可能(neng)腐蝕殆盡(jin)，可能(neng)會漏失(shi)大量陰(yin)極保(bao)護(hu)(hu)(hu)電流，其對陰(yin)極保(bao)護(hu)(hu)(hu)的(de)影(ying)響(xiang)(xiang)如(ru)何(he)，還(huan)要(yao)通(tong)過跟蹤(zong)調查才能(neng)確認(ren)。

特點編輯

1、高強度，輕(qing)結(jie)構：牢固的(de)網格壓焊結(jie)構使其(qi)具(ju)有高承載，結(jie)構輕(qing)，便于吊(diao)裝等特點；

2、外形美觀，經(jing)久耐用。

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