{"id":10119,"date":"2021-11-23T08:17:03","date_gmt":"2021-11-23T08:17:03","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=10119"},"modified":"2021-11-23T08:17:15","modified_gmt":"2021-11-23T08:17:15","slug":"ceramic-filter-egyptalum","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/ceramic-filter-egyptalum\/","title":{"rendered":"Filtro cer\u00e1mico Egyptalum"},"content":{"rendered":"

Ceramic Filter Egyptalum should be heated to close to the melt temperature before filtering to ensure that no metal solidifies and blocks the holes when the aluminum liquid flows to the ceramic foam filter.<\/strong><\/p>\n

The basic requirements for placas filtrantes de cer\u00e1mica celular<\/a> are<\/strong>
\n1. It has sufficient room temperature and high temperature strength to ensure that it will not be damaged during transportation, installation and use.
\n2. It has high chemical stability, does not react with aluminum melt in the working temperature range, and does not cause harm to aluminum liquid and the environment.
\n3. It has sufficient through porosity and liquid aluminum permeability to ensure smooth filtration during production.
\n4. Has a high resistance to rapid cold and heat. For this reason, the filter plate should have a small thermal expansion coefficient and not crack when heated.<\/p>\n

Let the aluminum melt pass through the Ceramic Filter Egyptalum to separate the solid inclusions suspended in the melt.<\/strong><\/p>\n

According to the filtering properties, the filtering methods of aluminum alloy melt can be divided into two types: surface filtering and deep filtering.
\nAccording to the filter material, it can be divided into three types: mesh material filter, block material filter and liquid layer filter.
\nAt present, the most widely used block material filtration in aluminum foundries includes foam ceramic filtration, tubular filtration and deep bed filtration.<\/p>\n

\"Filtro<\/p>\n

Egyptalum\u2019s technologist said that during the casting of aluminum ingots and rods, the following processes should be paid attention to<\/strong><\/p>\n

Ordinary semi-continuous ingots, due to the shrinkage of the condensed shell in the mold and the formation of air gaps, often cause serious segregation nodules, coarse-grained layers and surface cracks on the surface of the ingots.
\nAt the same time, if the liquid level control is unstable, defects such as surface cold barriers and inclusions often occur.
\nIn recent years, on the basis of buoy casting, new casting technologies have been developed, such as ordinary hot top casting, same level hot top casting, gas pressurized hot top casting and gas sliding hot top casting.<\/p>\n

Ordinary hot-top casting is to place a bottomless light-weight thermal insulation material storage tank connected with the launder at the upper end of the crystallizer.
\nThe inner diameter of the storage tank is smaller than the diameter of the mold cavity, and the distance between its protrusion and the inner wall of the mold is 0-3.2m. The melt in the storage tank is stable above the liquidus temperature, and the melt does not crystallize. This is the so-called “Hot Top”.
\nThere is a high-purity graphite sleeve at the lower part, which plays the role of shaping and sizing the ingot, and also has a certain lubricating effect. During casting, the melt level in the storage tank is at the same level as the melt in the launder.<\/p>\n

The characteristics of ordinary hot top casting are that the height of the effective crystallization zone in the mold is reduced, the secondary direct water cooling effect is strengthened, the undesirable effect of the air gap generated by the traditional method is eliminated, and the surface quality of the ingot is significantly improved.
\nThe primary and secondary cooling are closely connected to increase the cooling rate, and the casting speed is 10%-20% higher than the traditional method.
\nThe traditional tools such as flow plate, flow tube, and float funnel are eliminated, there is no metal flow drop, and defects such as slag inclusion and pores are reduced, and the internal quality of the ingot is improved.
\nThe upper part of the mold has good heat preservation performance, allows lower casting temperature, the crystal structure of the ingot is fine and uniform, the segregation is small, the performance of the ingot is improved, the operation is simple, and the production efficiency is high.<\/p>\n

Traducci\u00f3n al \u00e1rabe<\/strong>
\n\u0642\u0627\u0644 \u062a\u0642\u0646\u064a \u0634\u0631\u0643\u0629 Egyptalum \u0623\u0646\u0647 \u0623\u062b\u0646\u0627\u0621 \u0635\u0628 \u0633\u0628\u0627\u0626\u0643 \u0648\u0642\u0636\u0628\u0627\u0646 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u060c \u064a\u062c\u0628 \u0627\u0644\u0627\u0646\u062a\u0628\u0627\u0647 \u0625\u0644\u0649 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629<\/p>\n

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\n\u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647 \u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0633\u0627\u0626\u0644 \u063a\u064a\u0631 \u0645\u0633\u062a\u0642\u0631 \u060c \u0641\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u062d\u062f\u062b \u0639\u064a\u0648\u0628 \u0645\u062b\u0644 \u062d\u0648\u0627\u062c\u0632 \u0627\u0644\u0628\u0631\u0648\u062f\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0648\u0627\u0644\u0634\u0648\u0627\u0626\u0628.
\n\u0641\u064a \u0627\u0644\u0633\u0646\u0648\u0627\u062a \u0627\u0644\u0623\u062e\u064a\u0631\u0629 \u060c \u0639\u0644\u0649 \u0623\u0633\u0627\u0633 \u0635\u0628 \u0627\u0644\u0639\u0648\u0627\u0645\u0629 \u060c \u062a\u0645 \u062a\u0637\u0648\u064a\u0631 \u062a\u0642\u0646\u064a\u0627\u062a \u0635\u0628 \u062c\u062f\u064a\u062f\u0629 \u060c \u0645\u062b\u0644 \u0635\u0628 \u0627\u0644\u0642\u0645\u0629 \u0627\u0644\u0633\u0627\u062e\u0646\u0629 \u0627\u0644\u0639\u0627\u062f\u064a\u0629 \u060c \u0646\u0641\u0633 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0645\u0646 \u0635\u0628 \u0627\u0644\u0642\u0645\u0629 \u0627\u0644\u0633\u0627\u062e\u0646\u0629 \u060c \u0635\u0628 \u0627\u0644\u0642\u0645\u0629 \u0627\u0644\u0633\u0627\u062e\u0646\u0629 \u0627\u0644\u0645\u0636\u063a\u0648\u0637 \u0628\u0627\u0644\u063a\u0627\u0632 \u0648\u0627\u0644\u0635\u0628 \u0627\u0644\u0633\u0627\u062e\u0646 \u0627\u0644\u0645\u0646\u0632\u0644\u0642 \u0628\u0627\u0644\u063a\u0627\u0632.<\/p>\n

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\n\u0627\u0644\u0642\u0637\u0631 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0644\u062e\u0632\u0627\u0646 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0623\u0635\u063a\u0631 \u0645\u0646 \u0642\u0637\u0631 \u062a\u062c\u0648\u064a\u0641 \u0627\u0644\u0642\u0627\u0644\u0628 \u060c \u0648\u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0628\u064a\u0646 \u0646\u062a\u0648\u0621\u0647 \u0648\u0627\u0644\u062c\u062f\u0627\u0631 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0644\u0644\u0642\u0627\u0644\u0628 \u0647\u064a 0-3.2 \u0645.\u0630\u0648\u0628\u0627\u0646 \u062e\u0632\u0627\u0646 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0645\u0633\u062a\u0642\u0631 \u0641\u0648\u0642 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0633\u0627\u0626\u0644 \u060c \u0648 \u0644\u0627 \u064a\u062a\u0628\u0644\u0648\u0631 \u0627\u0644\u0630\u0648\u0628\u0627\u0646 \u060c \u0648\u0647\u0630\u0627 \u0645\u0627 \u064a\u0633\u0645\u0649 \u0628\u0640 “\u0627\u0644\u0642\u0645\u0629 \u0627\u0644\u0633\u0627\u062e\u0646\u0629”.
\n\u064a\u0648\u062c\u062f \u063a\u0644\u0627\u0641 \u062c\u0631\u0627\u0641\u064a\u062a \u0639\u0627\u0644\u064a \u0627\u0644\u0646\u0642\u0627\u0621 \u0641\u064a \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0633\u0641\u0644\u064a \u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0644\u0639\u0628 \u062f\u0648\u0631 \u062a\u0634\u0643\u064a\u0644 \u0648\u062a\u063a\u064a\u064a\u0631 \u062d\u062c\u0645 \u0627\u0644\u0633\u0628\u064a\u0643\u0629 \u060c \u0648\u0644\u0647 \u0623\u064a\u0636\u064b\u0627 \u062a\u0623\u062b\u064a\u0631 \u062a\u0632\u064a\u064a\u062a \u0645\u0639\u064a\u0646. \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0635\u0628 \u060c \u064a\u0643\u0648\u0646 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0630\u0648\u0628\u0627\u0646 \u0641\u064a \u062e\u0632\u0627\u0646 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0641\u064a \u0646\u0641\u0633 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0630\u0648\u0628\u0627\u0646 \u0641\u064a \u0627\u0644\u063a\u0633\u0627\u0644\u0629.<\/p>\n

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\n\u064a\u0631\u062a\u0628\u0637 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0623\u0648\u0644\u064a \u0648\u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0627\u0631\u062a\u0628\u0627\u0637\u064b\u0627 \u0648\u062b\u064a\u0642\u064b\u0627 \u0644\u0632\u064a\u0627\u062f\u0629 \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u060c \u0648\u062a\u0643\u0648\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u0635\u0628 \u0623\u0639\u0644\u0649 \u0628\u0646\u0633\u0628\u0629 10\u066a -20\u066a \u0645\u0646 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629.
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