{"id":10460,"date":"2022-08-23T06:31:23","date_gmt":"2022-08-23T06:31:23","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=10460"},"modified":"2023-11-15T05:29:33","modified_gmt":"2023-11-15T05:29:33","slug":"what-are-graphite-rings-and-the-graphite-seal-ring","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/what-are-graphite-rings-and-the-graphite-seal-ring\/","title":{"rendered":"Grafit halkalar ve grafit s\u0131zd\u0131rmazl\u0131k halkas\u0131 nedir?\u00a0"},"content":{"rendered":"

 <\/p>\n

\"grafit<\/p>\n

 <\/p>\n

Grafit halkalar ve grafit s\u0131zd\u0131rmazl\u0131k halkas\u0131, esnek grafit bant veya dokunmu\u015f salmastra halindeki esnek grafitten \u00fcretilir ve farkl\u0131 boyutlarda halka \u00fcr\u00fcnleri haline kal\u0131plan\u0131r. S\u0131cak su, y\u00fcksek s\u0131cakl\u0131k, y\u00fcksek bas\u0131n\u00e7l\u0131 buhar, \u0131s\u0131 de\u011fi\u015fim s\u0131v\u0131s\u0131, azot, organik \u00e7\u00f6z\u00fcc\u00fc, hidrokarbon, d\u00fc\u015f\u00fck s\u0131cakl\u0131kl\u0131 s\u0131v\u0131 ve di\u011fer ortamlar i\u00e7in uygundur. Genellikle, al\u00fcminyum \u00e7ubuklar\u0131n d\u00f6k\u00fcm\u00fcnden sonra kullan\u0131l\u0131rlar. seramik k\u00f6p\u00fck filtre<\/a><\/em>ve, ve y\u0131kama sistemi<\/em><\/a>.<\/strong><\/p>\n

Kompres\u00f6rler, pompalar, vanalar, kimyasal cihazlar, \u00f6l\u00e7\u00fcm aletleri vb. i\u00e7in. Bas\u0131n\u00e7 (MPa): 25 S\u0131cakl\u0131k (\u2103): -200\uff5e850 Hat h\u0131z\u0131 (m\/s): 30 pH de\u011feri: 0\uff5e14<\/strong><\/p>\n

Bunlar esnek grafit ve karbon-grafit halkalar<\/a>. Karbon-grafit halkalar, esas olarak mekanik d\u00f6nen par\u00e7alar\u0131n s\u0131zd\u0131rmazl\u0131\u011f\u0131nda kullan\u0131l\u0131r. Karbon-grafit halka, y\u00fcksek s\u0131cakl\u0131\u011fa dayan\u0131kl\u0131l\u0131k ve korozyon direnci \u00f6zelliklerine sahiptir.<\/strong><\/p>\n

Grafit s\u0131zd\u0131rmazl\u0131k halkas\u0131n\u0131n performans\u0131 ve \u00f6zellikleri:<\/h2>\n

1. Grafit halka iyi bir kendinden ya\u011flama \u00f6zelli\u011fine sahiptir<\/strong><\/p>\n

2. Grafit halkan\u0131n geri sekme katsay\u0131s\u0131 y\u00fcksektir<\/strong><\/p>\n

3. Grafit halka, kullan\u0131c\u0131n\u0131n ihtiyac\u0131na g\u00f6re 45\u00b0'lik bir e\u011fik kesimle kesilebilir<\/strong><\/p>\n

Mekanik contalar i\u00e7in kullan\u0131lan karbon grafit malzemeler, genel olarak a\u015fa\u011f\u0131daki kategorilere ayr\u0131l\u0131r:<\/h2>\n

1. Kavrulmu\u015f grafit; bir bak\u0131ma, kavrulmu\u015f grafit sert karbon grafit ve yumu\u015fak elektrokimyasal grafit olarak ikiye ayr\u0131l\u0131r. Bunlar, petrol karbon siyah\u0131 ve is karbon siyah\u0131n\u0131n katran, zift vb. ile kar\u0131\u015ft\u0131r\u0131lmas\u0131yla elde edilir; bu kar\u0131\u015f\u0131m \u00f6\u011f\u00fct\u00fcl\u00fcp preslenerek ham g\u00f6vdeler olu\u015fturulur ve bunlar y\u00fcksek s\u0131cakl\u0131klarda kavrulur.<\/strong>.<\/p>\n

Malzemenin farkl\u0131 bile\u015fenlerinin yan\u0131 s\u0131ra, ikisi aras\u0131ndaki temel fark, ikincisinin 2400-2800 \u2103 gibi y\u00fcksek bir s\u0131cakl\u0131kta grafitle\u015ftirilmesi gerekti\u011fidir.<\/strong><\/p>\n

Grafit pi\u015firildi\u011finde, ba\u011flay\u0131c\u0131daki u\u00e7ucu maddelerin buharla\u015fmas\u0131 ile ba\u011flay\u0131c\u0131n\u0131n polimerizasyonu, ayr\u0131\u015fmas\u0131 ve karbonizasyonu sonucu g\u00f6zenekler (10% ila 30% g\u00f6zenekleri) ortaya \u00e7\u0131kar.<\/strong><\/p>\n

S\u0131zd\u0131rmazl\u0131k halkas\u0131 olarak kullan\u0131ld\u0131\u011f\u0131nda ge\u00e7irgenlik kaynakl\u0131 s\u0131z\u0131nt\u0131 meydana gelir ve mukavemeti d\u00fc\u015f\u00fckt\u00fcr; bu nedenle bo\u015flu\u011fu doldurmak ve mukavemeti art\u0131rmak i\u00e7in emprenye edilmesi gerekir; yani emprenye i\u015fleminden sonra hava ge\u00e7irmez bir \u00fcr\u00fcn haline gelir ve mukavemeti de artar.<\/strong><\/p>\n

Bununla birlikte, s\u0131cakl\u0131k ve korozyon direnci \u00f6zellikleri \u00e7e\u015fitli derecelerde azalm\u0131\u015ft\u0131r. Kullan\u0131lan emprenye maddeleri \u00fc\u00e7 ana s\u0131n\u0131fa ayr\u0131l\u0131r: organik re\u00e7ineler, inorganik maddeler ve metaller.<\/strong><\/p>\n

2. Re\u00e7ine ba\u011flay\u0131c\u0131l\u0131 grafit, sinterlenmi\u015f grafitin toz haline getirilmesi, ba\u011flay\u0131c\u0131 olarak fenolik re\u00e7ine veya epoksi re\u00e7ine kullan\u0131lmas\u0131 ve kar\u0131\u015ft\u0131r\u0131ld\u0131ktan sonra preslenip sinterlenerek bir \u00fcr\u00fcn haline getirilmesidir. Matristeki re\u00e7ine, sinterleme i\u015fleminden sonra karbon par\u00e7ac\u0131klar\u0131na d\u00f6n\u00fc\u015f\u00fcr; bu nedenle gaz ge\u00e7irmez bir grafit elde edilir. Is\u0131 iletkenli\u011fi d\u00fc\u015f\u00fckt\u00fcr ve do\u011frusal genle\u015fme katsay\u0131s\u0131 y\u00fcksektir; seri \u00fcretime uygundur ve maliyeti d\u00fc\u015f\u00fckt\u00fcr;<\/strong><\/p>\n

3. Esas olarak otomobil so\u011futma suyu pompalar\u0131 ve ev aletleri gibi d\u00fc\u015f\u00fck y\u00fcklu s\u0131zd\u0131rmazl\u0131k uygulamalar\u0131nda kullan\u0131l\u0131r.<\/strong><\/p>\n

4. Pirolitik grafit: Yerli pirolitik grafit, y\u00fcksek s\u0131cakl\u0131kta propilen ve di\u011fer hidrokarbonlarla pirolize edilir; b\u00f6ylece karbon buhar\u0131, karbon-grafit g\u00f6vdesinin g\u00f6zeneklerine n\u00fcfuz eder. Bu i\u015flem, g\u00f6zeneklerin t\u0131kanmas\u0131nda rol oynar ve y\u00fcksek yo\u011funluklu, az g\u00f6zenekli ve d\u00fc\u015f\u00fck ge\u00e7irgenli\u011fe sahip bir yap\u0131 olu\u015fturur.<\/strong><\/p>\n

5. Saf karbon grafit malzemesi. G\u00f6zeneklili\u011fi 1%\u2019den az, bas\u0131n\u00e7 dayan\u0131m\u0131 290 MPa, sertli\u011fi 70-75 HS ve do\u011frusal genle\u015fme katsay\u0131s\u0131 0,36\u00d710\u207b\u2076 santigrat derecedir. Pirolitik grafit, organik maddeler ve metaller i\u00e7ermez ve y\u00fcksek s\u0131cakl\u0131k ile \u015fiddetli korozyon ko\u015fullar\u0131 i\u00e7in uygundur. Seri \u00fcretime uygun olmad\u0131\u011f\u0131 i\u00e7in maliyeti y\u00fcksektir.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"

    Graphite rings and the graphite seal ring adopt flexible graphite tape or flexible graphite in woven packing and are molded into ring products of different sizes. Suitable for hot water, high temperature, high-pressure steam, heat exchange liquid, nitrogen, organic solvent, hydrocarbon, low-temperature liquid,…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26523],"tags":[68767],"yoast_head":"\nWhat are graphite rings, and the graphite seal ring?\u00a0<\/title>\n<meta name=\"description\" content=\"What is the graphite seal ring? 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