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ANODE CHICH ICCP PAT

Edit: shaanxi elade chu' Hap 'u' cham co., Ltd    Date: Dec 03, 2015

ANODE chIch iccp pat
Introduction qaS
widely naD iccp pat je vaQ method corrosion SeH pong nuvpu'.
waw' principle nger electrochemical. ghor potential QaD Hap 'u' reduce Hap 'u' QaD vo' corrosion pong ghurbejtaH nuv mIS external cathode Qu'mey potlh. vaj corrosion rate baS reducing. widely applied iccp pat qaStaHvIS reinforced concrete, bridges, tanks, chemical luch, pipeline etc Duj,. chach anodes botlhDaq 'ay' iccp pat wa', meaningful lugh wIv chach anodes.


requirements Ideal anode chach iccp


Qap nIv electrical conductivity, DeSDu' jen Qu'mey potlh ghu'vetlh, 'eS polarizability.
applied neH environment, QaQ chemistry (static), vaj vIqaD Anode electrochemical stability (dynamic), 'eS consumption, qaStaHvIS pIH yIn.
be mechanics yIqaw wIqawtaHmeH Hegh anode.
ngeD mIw, lup, jom je lo'.
leH 'eS cost.
anti-abrasion, Anti-erosion.
pagh environment pollution during yo'SeH.


chach anode iccp wIv
in order to QaQ anodes chach DawIvpu', qay' thermodynamics 'ej dynamic anode je electrochemical reactions bopummeH le' environment ghob'e' DISov.
1. thermodynamics
M—ne         Mn+  -----------------(1)

2 cl-— 2e cl2---(2)

2h2o — 4e o2 + 4 h +---(3)
Soluble anode reaction: (1)
Micro soluble anode reaction: (1)+(2) pagh wej
Insoluble anode(dsa):(2) or(2)+(3) reaction


chach anode iccp wIv
dynamic
chay' HoS apply anode porghlIj Qu'mey potlh intensity: ghobe', Sar Qu'mey potlh ghu'vetlh anode 'emvo' vuS, overpotential anode moH, ghIq anode product Sov wIHutlh Qu'mey potlh ghu'vetlh.
concentration yoqvaD conductive ionic DeSDu' working media, reactant resultant 'ej DaH nobvam 'oH. example reaction anode Chlorine evolution, 'oH ghot'e' yIteb amount Chlorine tat pa' seawater, 'ej Chlorine evolution potential ghuS puS yInSIp evolution, vaj mach SoQ 'ej seawater.the anode environment Chlorine evolution firstly vaj Chlorine je yInSIp evolution together.it ghot'e' chlorine ionic cann't supply anymore.


comparison electrode puS


item

resistivity(ohm.m).

Qu'mey potlh ghu'vetlh(a ghap m2)

consumption rate(kg/a.a).

chlorine Evolution

yInSIp Evolution

graphite

3 ~ 8×10-5

5 ~ 10

0.13 ~ 0.22

0.9

magnetic

Sut HabmoHwI' oxide

3.3×10-4

30(oe).

1 ~ 2×10-3

pt Anode

4.8×10-7

600

6×10-6

175 ~ 200 ×10-6

HSCI

7.7×10-7

5 ~ 80

0.3 ~ 1

0.05 ~ 2

MMO

1×10-7

100(oe).

600(ce).

2 ~ 4×

10-6 (oe).

2 ~ 6×10-6

(ce).

conductive mep (flexible anode ).

0.015

1.268

0.1(SaS consumption).



comparison electrode puS

consumption yInSIp Evolution rap electrode ba' veb puS Chlorine Evolution laH legh vo' graph, 'oH. 'ach mmo Electrode ghaj 'eS consumption batlhchaj Chlorine evolution je yInSIp evolution, 'ej mmo Anode je latlh qabDaq 'utmo' Dujvam such as QaQ conductivity, yIteb flow. vaj QaQ wIv iccp pat mmo Anode.
mmo Anode Electrochemical yIqaw

mmo Coating cha' Segh:
Anode Segh chlorine evolution:
chaH Dapon 'e' yI 'ay' coating: ru、ir、pd、ti etc. yuQmeyDaq ngeng bIQ nuqDaq cl2 'oH principal anode product lo'.

Potential Chlorine Evolution(sce)2ka ghap m2

polarizability(mv).

20.2 KA ghap m2

yInSIp Evolution (mercurous sulfate) potential2ka ghap m2

1.10 ~ 1.12

18 ~ 28

0.87 ~ 0.9


mmo Anode Electrochemical yIqaw
Anode Segh yInSIp Evolution:
chaH Dapon 'e' yI 'ay' coating: ir, ta oxide. yuQmeyDaq yInSIp evolution environment such as soil lo', bIQ ghoQ etc.

yInSIp Evolution(LUT VAGH, ref.sce) 2ka ghap m2

polarizability (mv).

20.2 KA ghap m2

chlorine Evolution

(LUT VAGH, mercurous sulfate )2ka ghap m2

0.8 ~ 0.9

18 ~ 50

1.1-1.2


mmo platinize anode technics &
mmo Coating
Dumerbe' DuD baS oxides titanium substrate vegh mIw thermal decomposition, oxide coating platinum ghom baS chenmoH.
pt Coating
Dumerbe' platinum coating vegh mIw electroplating.

mmo Anode Qu'mey potlh ghu'vetlh


electrolyte

maxium chut lulajpu'bogh Qu'mey potlh ghu'vetlh (a ghap m2)

anode life(y)

carbonaceous backfill

50

20

calcine petroleum coke

vatlh

20

tIqDaj SotmoHbogh

vatlh

20

bIQ na'

300

20

ngeng bIQ

600

20

Concrete reinforce

0.220

50


mmo Anode iccp
wire Anode
titanium. substrate
astm Hol b348 Grade 1 Grade 2 ghap ghom
botlhDaq titanium wire according to customer requests copper.
ribbon Anode

titanium. substrate
astm Hol b265 Grade 1 Grade 2 ghap ghom


elade cham co. wa' Dev manufacturer 'ej supplier cathodic protection Hap 'u' HochDaq 'oH. focused Hoch chavmoH integrate series Hap 'u' such as anodes, backfills, cables, rectifier 'ej accessories latlh DuHIvDI'.

principal Qeq nIv laHlIj Hap 'u' chavmoH, integrity 'ej DuHIvDI' vaj Hoch ralqu'nIStaH profitable chavmoH such as chut lulajpu'bogh, efforts laH focus customer jonpIn, qo' HochDaq consulting.

taking 'utmo' Dujvam cham 'Itlh 'eS labor, cost je, elade reH nobmeH jen laHlIj products 'ej integrity customer chavmoH Dub 'ay' rav competitive DuHIvDI'. DubelmoHchugh maHvaD wIv je be'batlh Daghajchugh 'ej reliable qoch Huch poH je pol.

maHvaD contact
Heimilisfang: no.32, chuanghui road, chu' Industrial Hi-Tech mIch, xi'an, jungwoq
Sími': +86-29-83151667
 Fax:86-29-88880927
 Tölvupóstur:helen@sxelade.com
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