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MTX CFF ceramic foam filter plate

MTX CFF ceramic foam filter plate

  • Categories:news
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  • Time of issue:2019-09-30 19:16
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(Summary description)Foamed ceramic filter plate, China Innovation No. 2003CO12W, adopts a three-dimensional network structure, which is better than the previous honeycomb foam type. It has high open porosity, low filtration resistance, small normal static difference, high surface energy, and strong miscellaneous adsorption. , Excellent thermal shock resistance, high strength, no slag (ceramsite) and other advantages.

MTX CFF ceramic foam filter plate

(Summary description)Foamed ceramic filter plate, China Innovation No. 2003CO12W, adopts a three-dimensional network structure, which is better than the previous honeycomb foam type. It has high open porosity, low filtration resistance, small normal static difference, high surface energy, and strong miscellaneous adsorption. , Excellent thermal shock resistance, high strength, no slag (ceramsite) and other advantages.

  • Categories:news
  • Author:
  • Origin:
  • Time of issue:2019-09-30 19:16
  • Views:

  Description of Foam Ceramic Filter Plate

  Foamed ceramic filter plate, China Innovation No. 2003CO12W, adopts a three-dimensional network structure, which is better than the previous honeycomb foam type. It has high open porosity, low filtration resistance, small normal static difference, high surface energy, and strong miscellaneous adsorption. , Excellent thermal shock resistance, high strength, no slag (ceramsite) and other advantages.

  This structural material is widely used in the filtration and purification of aluminum melt in the aluminum processing industry due to its excellent performance, to better improve the quality of aluminum materials, and expand its application in environmental protection engineering, thermal energy utilization, and catalytic carriers.

  Filtration and purification mechanism of foamed ceramic materials

  1. Through mechanical filtration such as screening inertial impact interception, diffusion interception, friction, sedimentation, etc., the filtration efficiency is proportional to the mesh aperture of the foam ceramic. The smaller the mesh, the stronger the interception ability for small particles.

  2. Deposition layer or filter cake layer effect. With the deposition of particles in the melt and the interconnected and uneven grid support walls, the ability to capture miscellaneous particles is improved.

  3. The rough surface formed due to the gaps on the surface of the mesh frame increases the interface between the molten aluminum flow and the ceramic solid surface, which can promote the flow of particles in the molten aluminum flow to be more disordered, which is conducive to the capture and deposition of solid particles. .

  4. Due to the microscopic cracks and pinholes on the surface of the skeletal support body, fluoride with strong affinity for particles such as Al2O3 is pre-deposited, which promotes a complete filter cake layer effect and strong chemical adsorption, and the ability to capture the remaining impurity particles is more Strong.

  5. Furthermore, from the temperature field effect of the melting process and the transmission process of the metal melt structure, the concentration of the alloy solute will inevitably be formed. The metal melt is redistributed---integrated---redistributed---integrated again. It is also a very good alloying treatment process. Some high melting point metal phases and compounds re-aggregate and grow, and the fine impurities will accumulate and grow after they are conducive to filtration and capture. This can also be explained by the changes in the concentration of H, Al2O3, Fe phase, and Ti phase before and after filtration. Especially two-stage filtration or pore gradient thick plate filtration is more obvious. Therefore, under the same prerequisites, the new ceramic foam filter plate has a high removal rate of the aluminum melt impurities, the static pressure difference before and after filtration changes more with time, and the H content in the aluminum melt before and after filtration also changes significantly. Of course, the smaller the holes of the ceramic foam are selected, the more the cleanliness of the aluminum melt can be improved.

 

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