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<\/p>\nAmorf bir ate\u015falt\u0131 malzeme olan ate\u015falt\u0131 d\u00f6k\u00fcm malzemeleri, genellikle karma\u015f\u0131k \u015fekil ve y\u00fczeylere sahip par\u00e7alarda kullan\u0131l\u0131r; zira bu par\u00e7alar ate\u015falt\u0131 tu\u011fla duvar \u00f6rme y\u00f6ntemine uygun de\u011fildir ve \u00e7al\u0131\u015fma ko\u015fullar\u0131 alt\u0131nda stabiliteyi sa\u011flamak zordur. Ate\u015falt\u0131 d\u00f6k\u00fcm kaplamadaki \u00e7ivilerin boyutu ve konumland\u0131r\u0131lmas\u0131.<\/p>\n
<\/p>\n
D\u00f6k\u00fcm kal\u0131b\u0131, \u00e7elik kal\u0131ba sabitlenmi\u015f \u00e7iviler yard\u0131m\u0131yla kabukla birle\u015ftirilir. \u00c7imento end\u00fcstrisinde yayg\u0131n olarak kullan\u0131lan \u0131s\u0131ya dayan\u0131kl\u0131 \u00e7elik \u00e7iviler V tipi, Y tipi ve L tipidir. Yayg\u0131n olarak kullan\u0131lan malzemeler aras\u0131nda 1Cr18Ni19Ti ve Cr25Ni20 vb. bulunur.<\/p>\n
Genel olarak, \u00e7elik \u00e7iviler 1Cr18Ni19Ti \u00e7elik \u00e7ubuklardan \u00fcretilebilir. Malzeme se\u00e7imi yap\u0131l\u0131rken, malzemenin y\u00fcksek s\u0131cakl\u0131k mukavemetinin yan\u0131 s\u0131ra, y\u00fcksek s\u0131cakl\u0131k ko\u015fullar\u0131nda oksidasyon ve korozyona ba\u011fl\u0131 olarak malzemenin maruz kalaca\u011f\u0131 tahrip edici genle\u015fme de dikkate al\u0131nmal\u0131d\u0131r. Baz\u0131 d\u00fc\u015f\u00fck s\u0131cakl\u0131kl\u0131 par\u00e7alardaki s\u0131radan \u00e7elik \u00e7ubuklar \u00e7al\u0131\u015fma s\u0131cakl\u0131klar\u0131nda mukavemet gereksinimlerini kar\u015f\u0131layabilse de, oksidasyon ve korozyonun neden oldu\u011fu oksit kabu\u011fu, b\u00fcy\u00fck genle\u015fme gerilimi olu\u015fturabilir ve refrakter d\u00f6k\u00fcm malzemelerinin \u015fi\u015fmesine neden olabilir. \u00d6zellikle k\u00f6m\u00fcr enjeksiyon borular\u0131 ve f\u0131r\u0131n a\u011fz\u0131 par\u00e7alar\u0131 gibi y\u00fcksek s\u0131cakl\u0131kl\u0131 alanlarda, kaz\u0131ma \u00e7ivilerinin imalat\u0131nda daha y\u00fcksek s\u0131cakl\u0131k mukavemetine sahip Cr25Ni20 s\u0131n\u0131f\u0131 \u0131s\u0131ya dayan\u0131kl\u0131 \u00e7elik kullan\u0131lmal\u0131d\u0131r.<\/p>\n
D\u00fczlemde, \u00e7iviler kenar uzunlu\u011fu yakla\u015f\u0131k 500 mm olan iki kare sistemine g\u00f6re da\u011f\u0131t\u0131lm\u0131\u015ft\u0131r. Bir karenin kenar\u0131ndaki \u00e7ivilerden herhangi biri, di\u011fer karenin merkezinde de yer almaktad\u0131r. \u0130ki sistemin geni\u015fleme y\u00fczeyleri birbirini d\u0131\u015flar. Dikey. Farkl\u0131 \u015fekillere sahip y\u00fczeyler i\u00e7in, d\u00fczlem \u00fczerindeki \u00e7ivilerin da\u011f\u0131l\u0131m\u0131 da dikkate al\u0131nmal\u0131d\u0131r. Bununla birlikte, kaplaman\u0131n tasar\u0131m\u0131 ve \u00fcretim s\u00fcreci s\u0131ras\u0131nda kaplama malzemesinin y\u00fck\u00fc de g\u00f6z \u00f6n\u00fcnde bulundurulmal\u0131d\u0131r. Bu durum, \u00e7ivilerin d\u00fczenlenme y\u00f6n\u00fcn\u00fcn d\u00fczlemden farkl\u0131 olmas\u0131na neden olabilir. Bir fark vard\u0131r ve \u00e7iviler aras\u0131ndaki mesafe k\u0131sal\u0131r. Nihai kaplama kaplamas\u0131nda aksi belirtilmedik\u00e7e, \u00e7iviler kabu\u011fa kaynaklan\u0131r.<\/p>\n
\u00c7ivinin boyutu uygun olmal\u0131 ve \u00e7ivinin ba\u015f k\u0131sm\u0131nda, par\u00e7alanmaya kar\u015f\u0131 yeterli bir diren\u00e7 alan\u0131 sa\u011flamak i\u00e7in belirli bir a\u00e7\u0131kl\u0131k bulunmal\u0131d\u0131r. \u00c7ivi belirli bir y\u00fckseklikte kalmal\u0131d\u0131r. Y\u00fckseklik yetersiz olursa, y\u00fczeydeki d\u00f6k\u00fcm malzemesi etkili bir \u015fekilde korunamayacak ve ilk olarak d\u00fc\u015fecektir. Per\u00e7in \u00e7ok y\u00fcksek olursa, erken yanmaya ve a\u015f\u0131nmaya neden olur, dolay\u0131s\u0131yla refrakter malzemenin takviye i\u015flevi zaman\u0131ndan \u00f6nce kaybedilir. \u00c7ivi ba\u015f\u0131n\u0131n arkas\u0131nda 25~30 mm kal\u0131nl\u0131\u011f\u0131nda bir koruyucu tabaka bulunmal\u0131d\u0131r.<\/p>\n
D\u00f6k\u00fcmden \u00f6nce t\u00fcm spatulalar asfalt boya ile kaplanmal\u0131 veya plastik filmle sar\u0131lmal\u0131d\u0131r. Bu malzemelerin yanmas\u0131yla olu\u015fan bo\u015fluk, \u0131s\u0131 nedeniyle genle\u015fen spatulalar\u0131n d\u00f6k\u00fcm malzemesine zarar vermemesini sa\u011flayabilir.<\/p>\n
Kat\u0131la\u015fma s\u0131ras\u0131nda b\u00fcz\u00fclme ve \u0131s\u0131tma s\u0131ras\u0131nda genle\u015fme nedeniyle d\u00f6k\u00fcm malzemelerinin hasar g\u00f6rmesini \u00f6nlemek amac\u0131yla, geni\u015f d\u00f6k\u00fcm malzemesi alanlar\u0131nda, belirli bir uzunluk ve geni\u015fli\u011fe sahip h\u00fccrelere b\u00f6l\u00fcnerek s\u0131rayla d\u00f6\u015feme i\u015flemi ger\u00e7ekle\u015ftirilmelidir (her bir h\u00fccrenin alan\u0131 1,5 m\u00b2 i\u00e7inde olmal\u0131d\u0131r); bu h\u00fccreler in\u015faat derzleri ile birbirinden ayr\u0131lmal\u0131 ve bunlar\u0131n i\u00e7ine refrakter lifler doldurularak fiili genle\u015fme derzleri ve \u00e7atlama kontrol derzleri olu\u015fturulmal\u0131d\u0131r. Genle\u015fme derzleri ve \u00e7atlama kontrol derzleri, \u00f6nemli veya zay\u0131f k\u0131s\u0131mlardan ya da ana gerilme ta\u015f\u0131yan k\u0131s\u0131mlardan uzak tutulmal\u0131d\u0131r.<\/p>\n
Her bir b\u00f6lgedeki refrakter d\u00f6k\u00fcm malzemeleri tek seferde d\u00f6k\u00fclmelidir. \u0130ki kez d\u00f6k\u00fcl\u00fcrse, iki d\u00f6k\u00fcm malzemesi tabakas\u0131 aras\u0131ndaki yap\u0131\u015fma mukavemetini sa\u011flamak zorla\u015f\u0131r.<\/p>\n
Kaplaman\u0131n y\u00fczeyi p\u00fcr\u00fczs\u00fcz ve d\u00fcz olmal\u0131d\u0131r. P\u00fcr\u00fczl\u00fc y\u00fczeyler, istenmeyen malzeme birikimine neden olabilir ve bu da t\u0131kanmaya yol a\u00e7abilir. T\u0131kanmaya yatk\u0131n koni k\u0131sm\u0131na \u00f6zel dikkat g\u00f6sterilmelidir. Duvar kal\u0131plar\u0131 yeterli mukavemete, g\u00fcvenilir deste\u011fe ve p\u00fcr\u00fczs\u00fcz bir y\u00fczeye sahip olmal\u0131d\u0131r. \u00c7elik kal\u0131plar ay\u0131r\u0131c\u0131 madde ile kaplanmal\u0131, ah\u015fap kal\u0131plar ise su ge\u00e7irmez boya ile kaplanmal\u0131 veya do\u011frudan ince bir film tabakas\u0131 ile kaplanmal\u0131d\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"
As an amorphous refractory material, refractory castables are often used in parts with complex shapes and surfaces, because these parts are not suitable for masonry with refractory bricks, and it is difficult to ensure stability under working conditions. Size and positioning of nails in the refractory castable lining. The castable is combined with the shell […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-9234","post","type-post","status-publish","format-standard","hentry","category-blog"],"yoast_head":"\n