{"id":9856,"date":"2021-10-20T02:17:32","date_gmt":"2021-10-20T02:17:32","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=9856"},"modified":"2021-10-20T02:17:32","modified_gmt":"2021-10-20T02:17:32","slug":"molten-aluminum-filter-nalco","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/molten-aluminum-filter-nalco\/","title":{"rendered":"Filter Aluminium Cair NALCO"},"content":{"rendered":"

Filter Aluminium Cair NALCO digunakan untuk menyaring aluminium cair sebelum proses pengecoran aluminium.<\/strong> Proses penyaringan ini menghilangkan partikel-partikel yang dapat menyebabkan produk akhir tidak memenuhi standar. Secara umum, digunakan filter fusi keramik-aluminium.<\/p>\n

Filter busa keramik hasil pengecoran aluminium merupakan bahan busa keramik cair yang berpori, yang pada dasarnya bebas dari komponen organik.<\/strong> Ciri khasnya adalah bahwa sifat-sifat mekanis, termal, dan kimianya lebih unggul daripada bahan keramik berbusa yang sudah dikenal.
\nBusa keramik memiliki ciri khas berupa struktur sel terbuka dengan banyak rongga yang saling terhubung, yang dikelilingi oleh jaring keramik, tanpa adanya bahan pengikat yang berpotensi berbahaya maupun fase kaca atau tanah liat.
\nBusa adalah produk padat hasil proses sintering, yang sangat cocok untuk aplikasi bersuhu tinggi, seperti penyaringan air aluminium.
\nBahan tambahan organik dalam jumlah sekecil apa pun akan terbuang selama proses pemanggangan.
\nJika diperlukan, sejumlah kecil bahan tambahan anorganik dapat digunakan tanpa memengaruhi kinerja, seperti bahan pembantu sintering kurang dari 1% seperti oksida seng, penghambat pertumbuhan butir seperti oksida magnesium, atau bahan tambahan reologi anorganik seperti tanah.<\/p>\n

Filter Aluminium Cair dipasang di dalam kotak filter CFF berbahan aluminium.<\/strong>
\nAluminium cair dituangkan ke dalam kotak saringan melalui filter busa keramik<\/a>, dan filter tersebut menangkap partikel-partikel halus dalam logam cair. Setelah proses pengecoran selesai, terak aluminium yang tersisa di dalam filter keramik membentuk balok aluminium yang hampir padat.<\/p>\n

\"Filter<\/p>\n

Tindakan pencegahan dalam penggunaan Filter Aluminium Cair NALCO<\/strong>
\n1. Saat memilih keramik busa, pertimbangkan terlebih dahulu persyaratan akurasi filtrasi.
\nKedua, perlu diperhatikan pengaruh laju aliran cairan paduan aluminium terhadap kecepatan pengecoran, tingkat kebersihan awal cairan paduan, kandungan inklusi tertinggi dalam cairan paduan aluminium, serta total volume aliran cairan paduan aluminium.<\/p>\n

2. Pasang filter busa keramik dengan benar. Filter busa keramik biasanya dipasang secara horizontal di dalam ruang pengecoran CFF.
\nKeunggulan metode penuangan ke bawah adalah bahwa logam cair paduan aluminium naik secara merata, dan tidak terjadi turbulensi saat menyentuh elemen filter, sehingga memastikan elemen filter mulai berfungsi secara merata dan mengurangi risiko terjadinya saluran aliran.
\nSelain itu, saat memasang filter busa keramik, komponen-komponennya harus disegel dengan serat tahan api dan aluminium anti bocor.<\/p>\n

3. Sebelum proses penyaringan, disarankan untuk menggunakan pemanas radiasi atau obor gas guna memanaskan filter keramik berbusa hingga mendekati suhu leleh, agar ketika cairan yang mengalir ke arah filter keramik berbusa tersebut, logam tidak mengeras dan tidak menyumbat pori-pori.<\/p>\n

Didorong oleh permintaan global, ekspor aluminium India meningkat sebesar 36% dari tahun 2017 hingga 2018, dan tren ini diperkirakan akan berlanjut dari tahun 2018 hingga 2019.<\/strong><\/p>\n

Peningkatan produksi aluminium di India disebabkan oleh peningkatan tingkat pemanfaatan kapasitas pabrik peleburan yang sudah ada. Antara tahun 2017 dan 2018, Vedanta memperluas kapasitas produksi pabrik peleburan aluminiumnya di Jharsuguda dan BALCO. Pada tahun 2017, produksi aluminium primer India mencapai 3,39 juta ton dan konsumsi sebesar 2,08 juta ton. Menurut laporan peringkat CARE Ratings, produksi aluminium India pada tahun 2018 diperkirakan akan stabil di sekitar 3,42 juta ton.<\/p>\n

Dengan mempertimbangkan kondisi politik saat ini, termasuk fakta bahwa sanksi terhadap Rusal belum dicabut, Amerika Serikat telah memberlakukan tarif aluminium, serta eskalasi perang dagang, pasar aluminium global masih akan menghadapi kelangkaan pasokan.<\/p>\n

Menurut data dari Kementerian Perdagangan dan Industri Uni India, ekspor aluminium negara tersebut pada tahun 2017 meningkat dari 1,22 juta ton pada akhir tahun 2016 menjadi 166 metrik ton. Selama periode ini, impor logam aluminium India turun sebesar 14,7% menjadi 360.000 ton. Korea Selatan adalah negara yang paling banyak mengimpor produk aluminium dari India (31%), diikuti oleh Malaysia (30%) dan Amerika Serikat (11%). Namun, impor aluminium, terutama impor aluminium bekas, masih menjadi masalah bagi produsen aluminium India.<\/p>","protected":false},"excerpt":{"rendered":"

Molten Aluminum Filter NALCO is used to filter molten aluminum before aluminum casting. The filtration process removes particles that may cause the final product to be unacceptable. Traditionally, ceramic aluminum fusion filters are used. The aluminum casting ceramic foam filter is a porous, molten ceramic…<\/p>","protected":false},"author":1,"featured_media":9859,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[],"yoast_head":"\nMolten Aluminum Filter NALCO | Adtech China - sales@adtechamm.com<\/title>\n<meta name=\"description\" content=\"Molten Aluminum Filter NALCO is used to filter molten aluminum before aluminum casting. 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