Ceramic Filter Canex Aluminum is very important to the quality of the aluminum melt, which greatly affects the performance of the post-processing of aluminum rods and ingots and the quality of the final product. All aluminum plants in the world attach great importance to the refining of aluminum smelting.
There are many reasons for aluminum pollution. On the other hand, when aluminum is exposed to the atmosphere in a smelting or semi-melting blast furnace, it is easy to oxidize, easy to absorb and react with water vapor and hydrogen, and easily form various forms of non-metallic impurities (such as furnace chlorine). And carbon, etc.) react with coarse metal particles.
On the other hand, some non-aluminum impurities are part of the garbage collection process in the recycling process.
Due to the waste generated by the waste treatment plant, the methods are different, the installation is complicated, and the quality is poor.
These impurities will generate bubbles and impurities in the continuous casting plate, which will seriously affect the purity of the molten metal, and further affect the processing performance, mechanical properties, corrosion resistance and appearance quality.
Filter mechanism of Ceramic Filter Canex Aluminum
Filter cake mechanism
The composite structure of Foundry Ceramic Filters can effectively remove the slag mechanically.
When the molten metal passes through the ceramic foam filter, the structure is complicated, and the filter medium is a mechanically separated filter component.
More and more impurities accumulate on the surface of the filter, gradually forming a layer of filter cake, further improving the flow of minerals, adding filter media to the surface can filter more packets.
At the same time, the medium also has a filtering effect.
In the ceramic body, the number of holes, the presence of small incisions, or the presence of the carcass.
In different areas, these changes are possible locations for the device to intercept impurities, and the filter has a “cake” effect.
Surface effect
When the molten metal flows through the ceramic body, the structure is complicated and it is divided into many small flow channels, which increases the contact area and contact probability of the liquid metal impurities and the filter medium. Because the filter surface is very small, the size of the concave block is about 1~10 meters, which is intercepted. Impurities, interception adsorption and electrostatic adhesion.
Correction effect
The flowing liquid foam metal ceramic filter is divided into many small unit flows and smaller diameters, and the Reynolds number (Re=VD/R) becomes smaller, making the liquid flow tend to be laminar.
When the molten metal is in a laminar flow state, because the density of the liquid metal is much greater than the density of the impurities, so that the impurities have enough time to float and remove, the foam ceramic filter plate can help the ballast.
The resistance of the filter placed in the gate system increases. When the molten metal is poured, the flow of the molten metal forms enough motion to reduce the flow rate, which is beneficial to the floating of the parts and staying on the upper surface of the runner.
Egypt ends protective measures against imported billets, rebar and aluminum
November 14, 2021 “Egypt Today” report: Egyptian Minister of Trade and Industry Nevine Gamea issued two ministerial decisions to terminate the protection of imported steel billets, rebar and aluminum products under No. 907 of 2019 and No. 168 of 2021 Resolution of measures.
The Minister of Trade and Industry said in a statement on Sunday that the two decisions were made because of the current high global inflation rate, rising energy and raw material prices, and increased production requirements. These factors have caused both production and export industries in Egypt. Has a negative impact, and the production industry is the locomotive of the national economy.
Ibrahim El-Sergany, Assistant Minister of Economic Affairs and Head of Commercial Processing Department, explained
When studying the measures to implement protective tariffs on the aforementioned products, many local industrial companies reported that under the influence of changes in the global environment and local conditions, the prices of production inputs and intermediate products have risen sharply.
The lack of sufficient local substitute products not only makes it difficult to meet market demand, but also makes the final product more expensive.
He said that the previous resolutions reduced the competitiveness of Egypt’s export-related products and had a negative impact on the economic and development policies adopted at the national level, especially the ongoing national projects aimed at achieving sustainable development.
الترجمة العربية
مصر تنهي الإجراءات الوقائية ضد استيراد القضبان وحديد التسليح والألمنيوم
تقرير “مصر اليوم” 14 نوفمبر 2021: أصدرت وزيرة التجارة والصناعة المصرية نيفين جامع قرارين وزاريين بإلغاء حماية كتل الصلب وحديد التسليح ومنتجات الألمنيوم المستوردة بموجب رقم 907 لسنة 2019 ورقم 168 لسنة 2021 قرار الإجراءات. .
قال وزير التجارة والصناعة في بيان يوم الأحد إن القرارين اتخذا بسبب ارتفاع معدل التضخم العالمي الحالي وارتفاع أسعار الطاقة والمواد الخام وزيادة متطلبات الإنتاج ، وقد تسببت هذه العوامل في كل من الصناعات الإنتاجية والتصديرية في مصر. – لها اثر سلبي وصناعة الانتاج هي قاطرة الاقتصاد الوطني.
وأوضح إبراهيم السرجاني مساعد وزير الشؤون الاقتصادية ورئيس إدارة المعالجة التجارية
عند دراسة إجراءات تطبيق التعريفات الوقائية على المنتجات المذكورة أعلاه ، أفاد عدد من الشركات الصناعية المحلية أنه تحت تأثير التغيرات في البيئة العالمية والظروف المحلية ، ارتفعت أسعار مدخلات الإنتاج والمنتجات الوسيطة بشكل حاد.
إن عدم وجود منتجات بديلة محلية كافية لا يجعل من الصعب تلبية طلب السوق فحسب ، بل يجعل المنتج النهائي أيضًا أكثر تكلفة.
وقال إن القرارات السابقة قللت من القدرة التنافسية للمنتجات المصرية المرتبطة بالتصدير وكان لها تأثير سلبي على السياسات الاقتصادية والتنموية المعتمدة على المستوى الوطني ، لا سيما المشروعات الوطنية الجارية الهادفة إلى تحقيق التنمية المستدامة.
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