{"id":6752,"date":"2021-04-04T16:52:27","date_gmt":"2021-04-04T16:52:27","guid":{"rendered":"https:\/\/www.aluminaceramicball.com\/?p=6752"},"modified":"2021-04-15T07:36:39","modified_gmt":"2021-04-15T07:36:39","slug":"application-de-la-feuille-de-broyage-ceramique-dans-le-coude-resistant-a-lusure-du-tuyau-de-charbon-pulverise","status":"publish","type":"post","link":"https:\/\/www.aluminaceramicball.com\/fr\/application-de-la-feuille-de-broyage-ceramique-dans-le-coude-resistant-a-lusure-du-tuyau-de-charbon-pulverise\/","title":{"rendered":"Application d'une feuille de broyage c\u00e9ramique dans un coude r\u00e9sistant \u00e0 l'usure d'un tuyau de charbon pulv\u00e9ris\u00e9"},"content":{"rendered":"

Les conduites de transport du charbon pulv\u00e9ris\u00e9 des chaudi\u00e8res des centrales thermiques sont r\u00e9sistantes \u00e0 l'usure et doivent \u00eatre con\u00e7ues de mani\u00e8re \u00e0 r\u00e9sister aux fuites, \u00e0 la corrosion, \u00e0 la pluie, \u00e0 l'antigel et \u00e0 d'autres facteurs. Les points principaux sont l'anti-usure et l'anti-corrosion. Elle a toujours \u00e9t\u00e9 un \u00e9l\u00e9ment cl\u00e9 de la maintenance des centrales \u00e9lectriques. La performance globale du syst\u00e8me de conduites, en particulier la r\u00e9sistance \u00e0 l'usure, est directement li\u00e9e au co\u00fbt d'exploitation et aux avantages \u00e9conomiques de l'ensemble de la centrale \u00e9lectrique. Il s'agit d'une question cl\u00e9 qui doit \u00eatre prise en compte dans l'ing\u00e9nierie et la maintenance des centrales \u00e9lectriques.<\/p>\n

Tenir compte de la r\u00e9sistance \u00e0 l'usure, de la r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es et de la r\u00e9sistance \u00e0 la corrosion de la canalisation, et envisager de mani\u00e8re globale le plan de r\u00e9sistance \u00e0 l'usure du point de vue de la commodit\u00e9 de construction, du co\u00fbt de fabrication inf\u00e9rieur et du processus de fabrication relativement simple.<\/p>\n

Le feuille de c\u00e9ramique r\u00e9sistante \u00e0 l'usure<\/a> est une c\u00e9ramique de corindon<\/a> Il est compos\u00e9 d'AL2O3 comme mati\u00e8re premi\u00e8re principale, d'oxyde de m\u00e9tal rare comme fondant, et cuit \u00e0 une temp\u00e9rature \u00e9lev\u00e9e de 1 700 Baidu. Sa duret\u00e9 Rockwell est HRA80-90, et sa duret\u00e9 est la deuxi\u00e8me apr\u00e8s celle du diamant. Ses performances sont \u00e9quivalentes \u00e0 266 fois celles de l'acier au mangan\u00e8se et \u00e0 171,5 fois celles de la fonte \u00e0 haute teneur en chrome, ce qui permet d'allonger consid\u00e9rablement la dur\u00e9e de vie des coudes de tuyaux de charbon pulv\u00e9ris\u00e9.<\/p>\n

Les produits r\u00e9sistants \u00e0 l'usure couramment utilis\u00e9s feuille de c\u00e9ramique<\/a> pour le coude r\u00e9sistant \u00e0 l'usure du tuyau de charbon pulv\u00e9ris\u00e9 est une feuille de c\u00e9ramique soud\u00e9e avec un trou au milieu, \u00e9quip\u00e9e d'un bol en acier et d'un capuchon en porcelaine. La construction de ce type de feuille de c\u00e9ramique r\u00e9sistante \u00e0 l'usure est \u00e9galement plus pratique. La feuille de c\u00e9ramique \u00e0 trou conique avec boucle est directement soud\u00e9e sur le corps en acier avec un bol en acier r\u00e9sistant \u00e0 la chaleur, puis la feuille de c\u00e9ramique conique est encapsul\u00e9e dans la forme conique de la feuille de c\u00e9ramique apr\u00e8s le collage du bouchon en c\u00e9ramique \u00e0 boucle. Sur le trou, l'aspect g\u00e9n\u00e9ral est celui d'une surface enti\u00e8rement en c\u00e9ramique. Cette m\u00e9thode renforce la solidit\u00e9 de la feuille de c\u00e9ramique fix\u00e9e au pipeline de charbon pulv\u00e9ris\u00e9. L'avantage de ce type de patch en c\u00e9ramique est qu'il est facile \u00e0 r\u00e9parer, m\u00eame si le pipeline est us\u00e9 en cours d'exploitation, il peut \u00eatre r\u00e9par\u00e9 directement, ce qui permet d'\u00e9conomiser de la main d'\u0153uvre et des ressources mat\u00e9rielles.<\/p>\n

Bien entendu, outre le soudage des feuilles de c\u00e9ramique, il existe d'autres m\u00e9thodes telles que la technologie de soudage des goujons, le moulage par auto-combustion et le moulage r\u00e9sistant \u00e0 l'usure. tuyaux en c\u00e9ramique<\/a>. Cela n\u00e9cessite une analyse sp\u00e9cifique des conditions particuli\u00e8res. \u00c0 l'heure actuelle, l'utilisation de coudes de tuyaux de charbon pulv\u00e9ris\u00e9 est largement r\u00e9pandue. Avec le d\u00e9veloppement de l'\u00e9poque, les gens recherchent \u00e9galement des mat\u00e9riaux plus appropri\u00e9s.<\/p>","protected":false},"excerpt":{"rendered":"

The pulverized coal conveying pipelines of boilers in thermal power plants are wear-resistant and require leak-proof, anti-corrosion, rain-proof, anti-freeze and other factors to be designed. The main points are anti-wear and anti-corrosion. It has always been a key part of power plant maintenance. The comprehensive performance of the pipeline system, especially the wear resistance, is […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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