{"id":2218,"date":"2021-07-29T08:28:31","date_gmt":"2021-07-29T08:28:31","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2218"},"modified":"2021-07-29T08:34:18","modified_gmt":"2021-07-29T08:34:18","slug":"why-is-duplex-stainless-steel-used-in-nuclear-power-plant-cooling-water-systems","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/tr\/why-is-duplex-stainless-steel-used-in-nuclear-power-plant-cooling-water-systems\/","title":{"rendered":"N\u00fckleer santral so\u011futma suyu sistemlerinde neden duplex paslanmaz \u00e7elik kullan\u0131l\u0131yor?"},"content":{"rendered":"

Temiz bir enerji kayna\u011f\u0131 olarak n\u00fckleer enerji, d\u00fcnya \u00e7ap\u0131nda karbon emisyonlar\u0131n\u0131n azalt\u0131lmas\u0131na b\u00fcy\u00fck katk\u0131 sa\u011fl\u0131yor. So\u011futma suyu boru sistemi, n\u00fckleer enerji santralinin g\u00fcvenli \u00e7al\u0131\u015fmas\u0131n\u0131n anahtar\u0131d\u0131r. \u00c7e\u015fitli \u00e7ap ve boyutlarda binlerce fitlik borudan olu\u015fur. Tesis ekipmanlar\u0131n\u0131n so\u011futulmas\u0131 i\u00e7in g\u00fcvenilir bir su kayna\u011f\u0131 sa\u011flar. Emniyetli olmayan boru sistemi tesisi so\u011futmak i\u00e7in yeterli so\u011futma suyu sa\u011flamal\u0131, emniyet sistemi ise reakt\u00f6r\u00fc kontrol alt\u0131na almak ve acil bir durumda onu g\u00fcvenli bir \u015fekilde kapatmak i\u00e7in yeterli so\u011futma suyu sa\u011flamal\u0131d\u0131r.<\/p>\n

Bu boru malzemeleri, ekipman\u0131n kullan\u0131m \u00f6mr\u00fc boyunca so\u011futma suyu korozyonuna kar\u015f\u0131 dayan\u0131kl\u0131 olmal\u0131d\u0131r. Tesisin konumuna ba\u011fl\u0131 olarak so\u011futma suyunun t\u00fcr\u00fc nispeten temiz tatl\u0131 sudan kirli deniz suyuna kadar de\u011fi\u015febilir. Deneyimler, sistemler ya\u015fland\u0131k\u00e7a \u00e7e\u015fitli korozyon sorunlar\u0131n\u0131n ve de\u011fi\u015fen derecelerde korozyonun meydana gelebilece\u011fini, bunun da sisteme zarar verebilece\u011fini ve sistemin gerekli so\u011futma suyunu sa\u011flamas\u0131n\u0131 engelleyebilece\u011fini g\u00f6stermi\u015ftir.<\/p>\n

So\u011futma suyu borular\u0131yla ilgili sorunlar genellikle malzemeleri ve bunlar\u0131n so\u011futma suyuyla etkile\u015fimlerini i\u00e7erir. Kirlenmeden (t\u0131kanma) kaynaklanan s\u0131z\u0131nt\u0131 ve sistemin korozyonu, \u00e7\u00f6kelti birikimi, Deniz biyolojik kirlenmesi (biyolojik kirlenme), korozyon \u00fcr\u00fcnlerinin birikmesi ve yabanc\u0131 maddelerin t\u0131kanmas\u0131 dahil olmak \u00fczere en yayg\u0131n sorunlard\u0131r. S\u0131z\u0131nt\u0131ya genellikle sudaki baz\u0131 mikroorganizmalar\u0131n neden oldu\u011fu \u00e7ok a\u015f\u0131nd\u0131r\u0131c\u0131 korozyon olan mikrobiyal korozyon (MIC) neden olur. Bu korozyon \u015fekli s\u0131kl\u0131kla karbon \u00e7eli\u011fi ve d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 paslanmaz \u00e7elikte meydana gelir.<\/p>\n

Paslanmaz \u00e7elik uzun s\u00fcredir yeni su temini boru sistemleri in\u015fa etmek ve mevcut karbon \u00e7eli\u011fi sistemleri onarmak veya de\u011fi\u015ftirmek i\u00e7in uygun bir se\u00e7enek olarak g\u00f6r\u00fcl\u00fcyor. Boru y\u00fckseltme \u00e7\u00f6z\u00fcmlerinde yayg\u0131n olarak kullan\u0131lan paslanmaz \u00e7elik 304L, 316L veya 6%-Mo paslanmaz \u00e7eliktir. 316L ve 6% Mo paslanmaz \u00e7elik aras\u0131nda performans ve fiyat a\u00e7\u0131s\u0131ndan b\u00fcy\u00fck farklar vard\u0131r. So\u011futma ortam\u0131 son derece a\u015f\u0131nd\u0131r\u0131c\u0131 ve mikrobiyal korozyon riski ta\u015f\u0131yan i\u015flenmemi\u015f su ise 304L ve 316L uygun se\u00e7im de\u011fildir. Sonu\u00e7 olarak, n\u00fckleer santraller 6%-Mo paslanmaz \u00e7eli\u011fe ge\u00e7mek veya karbon \u00e7eli\u011fi sistemlerinin y\u00fcksek bak\u0131m maliyetlerini kabul etmek zorunda kald\u0131. Baz\u0131 n\u00fckleer santraller, ba\u015flang\u0131\u00e7 maliyetlerinin d\u00fc\u015f\u00fck olmas\u0131 nedeniyle hala karbon \u00e7eli\u011fi kaplama borular\u0131 kullan\u0131yor. ASTM A240'a g\u00f6re End\u00fcstriyel su temini boru sistemleri genellikle a\u015fa\u011f\u0131daki paslanmaz \u00e7elikten yap\u0131l\u0131r:<\/p>\n\n\n\n\n\n\n\n
Notlar<\/td>\nBM<\/td>\nC<\/td>\nN<\/td>\nCR<\/td>\nNi<\/td>\nAy<\/td>\nCu<\/td>\n<\/tr>\n
304L<\/a><\/td>\nS30403<\/td>\n0.03<\/td>\n\/<\/td>\n18.0-20.0<\/td>\n8.0-12.0<\/td>\n\/<\/td>\n\/<\/td>\n<\/tr>\n
316L<\/a><\/td>\nS31603<\/td>\n0.03<\/td>\n\/<\/td>\n16.0-18.0<\/td>\n10.0-14.0<\/td>\n2.0-3.0<\/td>\n\/<\/td>\n<\/tr>\n
6%Mo<\/td>\nN08367<\/td>\n0.03<\/td>\n0.18-0.25<\/td>\n20.0-22.0<\/td>\n23.0-25.0<\/td>\n6.0-7.0<\/td>\n0.75<\/td>\n<\/tr>\n
2205<\/a><\/td>\nS32205<\/td>\n0.03<\/td>\n0.14-0.2<\/td>\n22.0-23.0<\/td>\n4.5-6.5<\/td>\n3.0-3.5<\/td>\n\/<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2205 dubleks paslanmaz \u00e7eli\u011fin m\u00fckemmel bir se\u00e7im oldu\u011fu kan\u0131tland\u0131. Duke Power'\u0131n G\u00fcney Carolina'daki Catawba n\u00fckleer santrali, sistemlerinde 2205 (UNS S32205) \u00e7ift fazl\u0131 paslanmaz \u00e7elik kullanan ilk n\u00fckleer enerji santralidir. Bu kalite yakla\u015f\u0131k 3.2% molibden i\u00e7erir ve 304L ve 316L paslanmaz \u00e7eliklere g\u00f6re geli\u015ftirilmi\u015f korozyon direncine ve \u00f6nemli \u00f6l\u00e7\u00fcde daha iyi mikrobiyal korozyon direncine sahiptir.<\/p>\n

Besleme suyunu ana kondenserin so\u011futma kulesine ileten boru sisteminin yer \u00fcst\u00fc k\u0131sm\u0131ndaki karbon \u00e7elik kaplama borular, 2205 dubleks paslanmaz \u00e7elik borularla de\u011fi\u015ftirildi.<\/p>\n

Yeni yedek 2205<\/a> 2002 y\u0131l\u0131nda dubleks paslanmaz \u00e7elik boru montaj\u0131 yap\u0131lm\u0131\u015ft\u0131r. Boru 60 metre uzunlu\u011funda, 76,2 cm ve 91,4 cm \u00e7ap\u0131nda olup borunun et kal\u0131nl\u0131\u011f\u0131 0,95 cm'dir. Enerji santrali borulama sistemlerinin g\u00fcvenli kullan\u0131m\u0131na y\u00f6nelik y\u00f6netim kodlar\u0131ndan biri olan ve d\u00fcnyada yayg\u0131n olarak kullan\u0131lan ASME B31.1 G\u00fc\u00e7 borular\u0131'na uygun olarak belirlenmi\u015f sistem. 500 g\u00fcnl\u00fck hizmetin ard\u0131ndan sistem kapsaml\u0131 bir \u015fekilde denetlendi. Muayene s\u0131ras\u0131nda herhangi bir kire\u00e7lenme veya korozyon bulunmad\u0131. 2205 dubleks paslanmaz \u00e7elik \u00e7ok iyi performans g\u00f6sterdi. 2205 paslanmaz \u00e7elik borular kurulumundan bu yana on y\u0131l\u0131 a\u015fk\u0131n bir s\u00fcredir iyi performans g\u00f6stermektedir. Bu deneyime dayanarak Duke Power \u015funu kulland\u0131: 2205 dubleks paslanmaz \u00e7elik borular<\/a> sisteminin di\u011fer k\u0131s\u0131mlar\u0131nda.<\/p>\n

\"\"<\/p>\n

500 g\u00fcnl\u00fck kullan\u0131mdan sonra 2205 borunun i\u00e7i.<\/em><\/p>\n

 <\/p>\n

N\u00fckleer santral su sistemi tasar\u0131mc\u0131lar\u0131n\u0131n, korozyona dayan\u0131kl\u0131 so\u011futma suyu i\u00e7in boru malzemeleri se\u00e7me konusunda art\u0131k bir se\u00e7ene\u011fi daha var. 2205 dubleks paslanmaz \u00e7eli\u011fin ba\u015far\u0131l\u0131 bir \u015fekilde uygulanmas\u0131, bak\u0131m maliyetlerini azaltabilir, ar\u0131za s\u00fcrelerini azaltabilir ve n\u00fckleer santrallerin i\u015fletme g\u00fcvenli\u011fini sa\u011flayabilir.<\/p>","protected":false},"excerpt":{"rendered":"

Temiz bir enerji kayna\u011f\u0131 olarak n\u00fckleer enerji, d\u00fcnya \u00e7ap\u0131nda karbon emisyonlar\u0131n\u0131n azalt\u0131lmas\u0131na b\u00fcy\u00fck katk\u0131 sa\u011fl\u0131yor. So\u011futma suyu boru sistemi n\u00fckleer enerji santralinin g\u00fcvenli \u00e7al\u0131\u015fmas\u0131n\u0131n anahtar\u0131d\u0131r. \u00c7e\u015fitli \u00e7ap ve boyutlarda binlerce fitlik borudan olu\u015fur. So\u011futma i\u00e7in g\u00fcvenilir bir su kayna\u011f\u0131 sa\u011flar [\u2026]<\/p>","protected":false},"author":1,"featured_media":2224,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-social-activities"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/comments?post=2218"}],"version-history":[{"count":4,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2218\/revisions"}],"predecessor-version":[{"id":2225,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2218\/revisions\/2225"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media\/2224"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media?parent=2218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/categories?post=2218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/tags?post=2218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}