{"id":7058,"date":"2020-07-22T08:03:18","date_gmt":"2020-07-22T08:03:18","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=7058"},"modified":"2020-07-22T08:03:18","modified_gmt":"2020-07-22T08:03:18","slug":"ceramic-filters-malaysia","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/ceramic-filters-malaysia\/","title":{"rendered":"Filter Keramik Malaysia"},"content":{"rendered":"

Ceramic Filters Malaysia menjelaskan mekanisme dan saran penggunaan keramik busa untuk pengecoran<\/strong><\/p>\n

Mekanisme penyaringan pada filter busa keramik<\/strong>
\nFilter busa keramik memisahkan inklusi dalam paduan logam cair melalui tiga efek fisik dan kimia pada logam cair, sehingga dapat mencapai tujuan pemurnian logam cair tersebut.
\nEfek filter cake<\/strong>
\nStruktur keramik berbusa yang kompleks dapat secara efektif menghalangi terak secara mekanis.
\nKetika logam cair mengalir melalui filter busa keramik yang memiliki struktur kompleks, media filter tersebut menyaring inklusi yang ukurannya lebih besar daripada ukuran pori permukaan filter melalui proses pemisahan mekanis, dan menyebabkan inklusi tersebut mengendap di ujung masuk aliran logam cair pada filter.
\nSeiring bertambahnya jumlah inklusi pada permukaan filter, lapisan \u201cfilter cake\u201d akan terbentuk secara bertahap, yang pada gilirannya akan semakin mempersempit saluran aliran logam cair. Oleh karena itu, permukaan media filter yang baru dapat menyaring inklusi yang lebih halus.
\nBagian dalam media tersebut juga memiliki efek penyaringan. Di antara banyak lubang kecil yang menembus badan keramik, ada yang berbentuk celah sangat kecil, dan ada pula yang memiliki sudut-sudut mati. Area-area dengan karakteristik berbeda ini merupakan posisi potensial untuk menahan inklusi, dan terdapat pula \u201csaringan\u201d di dalam saringan itu sendiri. Efek \u201cPie\u201d.<\/p>\n

Efek permukaan<\/strong>
\nKetika logam cair mengalir melalui badan keramik yang memiliki struktur kompleks, logam tersebut terpecah menjadi banyak aliran kecil, sehingga meningkatkan luas permukaan kontak dan kemungkinan terjadinya kontak antara inklusi dalam logam cair dengan media filter.
\nKarena permukaan filternya memiliki lekukan dan tonjolan yang sangat kecil, dengan ukuran blok cekung sekitar 1\u201310 \u00b5m, hal ini menimbulkan efek adsorpsi elektrostatik serta penangkapan partikel asing melalui adhesi.<\/p>\n

Efek rektifikasi<\/strong>
\nKetika logam cair mengalir melalui filter busa keramik<\/a>, aliran tersebut terbagi menjadi banyak aliran kecil, yang masing-masing berdiameter kecil, sehingga bilangan Reynolds menjadi lebih kecil, dan aliran cairan cenderung bersifat laminar.
\nKetika logam cair berada dalam keadaan aliran laminar, karena kepadatan logam cair jauh lebih besar daripada kepadatan inklusi, inklusi tersebut memiliki waktu yang cukup untuk mengapung ke atas dan terpisahkan; dengan kata lain, filter keramik berbusa dapat membantu saluran peleburan dalam menahan terak.
\nSetelah filter dipasang pada sistem saluran, hambatan terhadap aliran logam cair pun meningkat. Logam cair yang mengalir di dalam saluran mudah membentuk aliran yang merata, dan laju alirannya pun berkurang, sehingga memudahkan inklusi untuk mengapung dan menempel di permukaan atas saluran.<\/p>\n

Rekomendasi Penggunaan Filter Keramik di Malaysia<\/strong>
\n1. Sesuai dengan titik leleh paduan tersebut, pilihlah filter yang terbuat dari bahan yang sesuai untuk menghindari suhu yang terlalu tinggi, yang dapat merusak fungsi filter dan mengakibatkan kegagalan dalam mencapai hasil penyaringan.
\n2. Pilih jaring yang sesuai, dan hasil pemurniannya harus sesuai dengan persyaratan pengecoran.
\n3. Cobalah menggunakan batas atas suhu pengecoran untuk meningkatkan kelancaran aliran logam.
\n4. Apabila filter diletakkan secara horizontal di bawah cangkir mulut atau permukaan pemisah, ketinggian pengecoran tidak boleh melebihi 20 cm. Sebaiknya cairan logam dialirkan ke dinding cangkir mulut, bukan langsung ke filter.
\n5. Filter harus ditangani dengan hati-hati. Saat tidak digunakan, simpanlah di tempat yang kering dan berventilasi agar kelembapan yang diserap tidak memengaruhi kekuatan filter.<\/p>\n

\"Filter<\/p>","protected":false},"excerpt":{"rendered":"

Ceramic Filters Malaysia explains the mechanism and usage suggestions of foam ceramics for casting Filtration mechanism of ceramic foam filter The ceramic foam filter separates the inclusions in the liquid casting alloy through three physical and chemical effects on the molten metal, so as to…<\/p>","protected":false},"author":1,"featured_media":7059,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524,52],"tags":[],"yoast_head":"\nCeramic Filters Malaysia Filtration mechanism | Adtech China<\/title>\n<meta name=\"description\" content=\"Ceramic Filters Malaysia explains the mechanism and usage suggestions of foam ceramics for casting ---pls contact the supplier sales@adtechamm.com\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adtechamm.com\/id\/ceramic-filters-malaysia\/\" \/>\n<meta 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