{"id":5323,"date":"2019-07-11T03:19:22","date_gmt":"2019-07-11T03:19:22","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5323"},"modified":"2025-01-13T09:36:41","modified_gmt":"2025-01-13T09:36:41","slug":"ppi-filter-meaning","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/ppi-filter-meaning\/","title":{"rendered":"Significado del filtro Ppi"},"content":{"rendered":"<h2>Significado del filtro Ppi<\/h2>\n<p><strong>Significado del filtro Ppi <\/strong><strong>refers to the number of honeycomb holes on a square inch of <em><a href=\"http:\/\/www.adtechamm.com\/es\/portfolio_page\/ceramic-foam-filter\/\">Filtro de espuma cer\u00e1mica<\/a>.<\/em><\/strong><\/p>\n<p><strong>The Filter Foam Ppi 30 means 30 small holes in one square inch. The larger the value, the smaller the hole.<\/strong><br \/>\n<strong>Generally, 15-20 Filter Foam Ppi means a large hole, 25-30 Filter Foam Ppi is a medium hole, and 35 Filter Foam Ppi or more is a small hole.<\/strong><\/p>\n<h3>Filtration Precision for Filter Foam Ppi<\/h3>\n<p><strong>Tama\u00f1o de poro (PPI) 20 30 40 50 60<\/strong><br \/>\n<strong>Inclusions Diameter\uff08um\uff09 80 40 20 10 5<\/strong><br \/>\n<strong>\u00cdndice de filtraci\u00f3n (%) 78 85 88 92 95<\/strong><\/p>\n<p><img class=\"alignnone size-full wp-image-5324\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Filter-Foam-Ppi.jpg\" alt=\"\" width=\"800\" height=\"176\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Filter-Foam-Ppi.jpg 800w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Filter-Foam-Ppi-300x66.jpg 300w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Filter-Foam-Ppi-768x169.jpg 768w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Filter-Foam-Ppi-700x154.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Transmitancia del filtro de espuma cer\u00e1mica<\/h3>\n<p><strong>La transmitancia se refiere al \u00e1rea efectiva de filtraci\u00f3n del <a href=\"http:\/\/www.adtechamm.com\/es\/adtech-ceramic-foam-filter-for-aluminium\/\">filtro cer\u00e1mico de espuma<\/a> plate product. The higher the light transmittance, the fewer blind holes are, and the more effective the filter holes (potholes), the better the filtering effect.<\/strong><br \/>\n<strong>La placa filtrante de cer\u00e1mica celular que se va a inspeccionar se coloca sobre una caja de luz con una bombilla incandescente de 200 W incorporada, y se utiliza la placa cuadrada de pl\u00e1stico transparente con una cuadr\u00edcula uniforme de 5,0 \u00d7 5,0 mm para medir el \u00e1rea de la superficie principal de la placa filtrante, con el fin de calcular el resultado de la prueba. La transmitancia de la luz de la placa filtrante se utiliza para determinar la transmitancia de la luz de la placa filtrante. En esta norma, se especifica que la transmitancia (proporci\u00f3n de orificios) de la placa filtrante debe ser de 95% o superior.<\/strong><\/p>\n<h3><a href=\"https:\/\/www.aluminiumceramicfiber.com\/ceramic-foam-filter-porosity\/\">Porosidad del filtro de espuma cer\u00e1mica<\/a><\/h3>\n<p><strong>La porosidad es el porcentaje que representa el volumen total de las cavidades de la placa filtrante respecto al volumen total de la misma. La porosidad determina la capacidad de filtraci\u00f3n de la placa filtrante de espuma cer\u00e1mica por unidad de volumen. Cuanto mayor sea la porosidad, mayor ser\u00e1 el caudal de filtraci\u00f3n de la placa y mayor ser\u00e1 su capacidad de filtraci\u00f3n.<\/strong><\/p>\n<h3>There are currently two main methods for determining porosity<\/h3>\n<p><strong>Una de ellas consiste en calcular el volumen del orificio de la placa filtrante seg\u00fan la ley de Arqu\u00edmedes; es decir, inyectar agua en el vaso de precipitados mediante el tubo de rebose hasta que el agua comience a salir por dicho tubo, y realizar la medici\u00f3n cuando el agua ya no salga. Todas las muestras se introducen con cuidado en el agua; a continuaci\u00f3n, el agua sale por el tubo de rebose y se mide el volumen de agua de esta parte. El volumen del agua rebosada se resta del volumen f\u00edsico de la placa filtrante, lo que da como resultado el volumen total de los orificios de la placa filtrante.<\/strong><br \/>\n<strong>Otro m\u00e9todo consiste en determinar por separado la densidad real y la densidad aparente de la muestra que se va a analizar y, a continuaci\u00f3n, calcular la porosidad de la muestra seg\u00fan la siguiente f\u00f3rmula.<\/strong><br \/>\n<strong>These two methods have their own advantages and disadvantages. The method of operation is simple and convenient, and the detection speed is fast, but its fatal weakness is due to the water absorption characteristics of the filter plate material itself so that the volume of water discharged is smaller than the actual one. This causes the measured data to be too small.<\/strong><br \/>\n<strong>Aunque el proceso de ensayo del segundo m\u00e9todo es m\u00e1s complicado, durante el mismo se descarta la influencia de la absorci\u00f3n de agua del material de la placa filtrante, y los datos obtenidos son relativamente precisos.<\/strong><\/p>\n<h3>En esta norma se establece que el \u00edndice de porosidad debe ser superior a 84%.<\/h3>\n<p><img class=\"alignnone size-full wp-image-5326\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Ceramic-Foam-Filter-Dimension.jpg\" alt=\"Ceramic Foam Filter Dimension\" width=\"800\" height=\"437\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Ceramic-Foam-Filter-Dimension.jpg 800w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Ceramic-Foam-Filter-Dimension-300x164.jpg 300w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Ceramic-Foam-Filter-Dimension-768x420.jpg 768w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/07\/Ceramic-Foam-Filter-Dimension-700x382.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Thermal shock resistance of Ceramic Foam Filter<\/h3>\n<p><strong>Thermal shock resistance refers to the resistance of foam ceramic filter plates to damage caused by rapid temperature changes. During the use of the foam ceramic filter plate, we require the user to start the filtration when the filter plate is gradually preheated to the temperature of the filtered aluminum melt before use, but some users do not follow this well when using it. It is stipulated that after the filter plate is placed, the melt is filtered without preheating so the filter plate is required to have a certain thermal shock resistance. The better the thermal shock resistance, the more durable the filter plate and the better the quality.<\/strong><\/p>\n<h3>Ceramic Foam Filter Pore uniformity<\/h3>\n<p><strong>La uniformidad de los poros se utiliza para describir la diferencia entre el n\u00famero real de orificios por cada 25,4 mm de longitud en la placa filtrante y el n\u00famero de orificios que se requerir\u00eda te\u00f3ricamente.<\/strong><br \/>\n<strong>The smaller the gap, the better the product quality, and if the gap is too large, it will result in the ability of the filter plate product to reduce the impurity retention or the slow filtration rate of the melt, which can not meet the individual requirements of the user&#8217;s production.<\/strong><br \/>\n<strong>La uniformidad del tama\u00f1o de los poros depende principalmente de la espuma utilizada en la fabricaci\u00f3n de la placa filtrante. Si la uniformidad de los poros de la espuma es buena, tambi\u00e9n lo ser\u00e1 la de la placa filtrante, por lo que la elecci\u00f3n de la espuma es de vital importancia.<\/strong><\/p>\n<h3>Ceramic Foam Filter compressive strength<\/h3>\n<p><strong>In the process of transportation and use of the filter plate, the filter plate must withstand the impact of a certain pressure from the outside, so the index of compressive strength is also introduced in the standard as one of the bases for measuring the quality of the filter plate. The higher the compressive strength, the more durable the product, the better the quality, and vice versa.<\/strong><br \/>\n<strong>En esta norma, se establece que el \u00edndice de resistencia a la compresi\u00f3n debe ser igual o superior a 0,5 MPa.<\/strong><\/p>\n<h3>Instructions for <a href=\"https:\/\/www.adtechamm.com\/es\/alumina-ceramic-foam-filter\/\">Filtro de espuma cer\u00e1mica de al\u00famina<\/a><\/h3>\n<p><strong>Revisa y limpia la superficie del <a href=\"http:\/\/www.adtechamm.com\/es\/online-degassing-unit-plate-type-filtering-unit\/\">filter bowl<\/a>, and keep it clean and intact.<\/strong><br \/>\n<strong>Coloca con cuidado el filtro en la cubeta y presiona con la mano la junta de sellado que rodea el filtro para evitar que el aluminio fundido se disperse o flote.<\/strong><br \/>\n<strong>Utiliza calor el\u00e9ctrico o de gas para precalentar uniformemente el recipiente del filtro y el filtro de espuma cer\u00e1mica durante 15-30 minutos, asegur\u00e1ndote de que su temperatura sea similar a la del aluminio fundido. La temperatura de precalentamiento del filtro de espuma cer\u00e1mica debe ser superior a 260 \u2103. El algod\u00f3n expansivo se sellar\u00e1 tras el precalentamiento. Este procedimiento hace que el filtro de espuma cer\u00e1mica quede firmemente fijado en el aluminio fundido. El precalentamiento tambi\u00e9n hace que se abran los poros del filtro de espuma cer\u00e1mica y evita la oclusi\u00f3n causada por la expansi\u00f3n y contracci\u00f3n t\u00e9rmicas.<\/strong><br \/>\n<strong>Observe the change of molten aluminum height, and hold molten aluminum flow in standard needs. Normal starting molten aluminum height is 100-150mm. The height falls down below 75-100mm when molten aluminum flows, and it will slowly increase later.<\/strong><br \/>\n<strong>No golpees ni sacudas el filtro de espuma cer\u00e1mica de infiltraci\u00f3n. Al mismo tiempo, controla el caudal de aluminio fundido en el canal de colada, de modo que nunca sea ni demasiado ni demasiado poco.<\/strong><br \/>\n<strong>Retira el filtro de espuma cer\u00e1mica y limpia el recipiente del filtro a la mayor brevedad posible tras el filtrado.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Ppi filter meaning Ppi filter meaning refers to the number of honeycomb holes on a square inch of Ceramic Foam Filter. The Filter Foam Ppi 30 means 30 small holes in one square inch. The larger the value, the smaller the hole. Generally, 15-20 Filter&#8230;<\/p>","protected":false},"author":1,"featured_media":5325,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[21930,22027,22032,21968,22074,22018,22043,22042,21938,22012,21971,21974,21979,21973,21975,21972,22026,21989,22044,22070,22073,22072,22071,21990,22045,21996,22021,22036,21937,22006,22014,21931,21932,21967,22023,22035,21980,21983,21982,21981,22022,22066,21936,22054,22004,22005,22055,21988,22069,22079,22053,21984,22025,22020,22024,22031,22000,21942,22028,22034,22046,22010,22002,22056,22007,22019,21941,21997,22009,21940,21944,21947,21948,21949,21946,21945,21950,21951,21954,21955,21952,21953,21970,22029,22016,22015,21969,22068,22047,21956,21957,21959,21958,21960,21965,21961,21964,21962,21966,21963,22048,22037,22039,22040,22041,22038,22076,21935,22067,21978,22058,22052,21976,22078,21994,21991,21992,21993,21995,21977,21939,22057,22050,21987,22033,22008,22049,21998,21934,22080,22082,22081,22083,22085,22084,22051,22077,22030,21986,22075,22060,22061,22065,22062,22063,22064,21999,22011,21985,22059,22003,21943,22001,21933,22013,22017],"yoast_head":"<!-- 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