Compound filter element capable of being repeatedly used under microwave conditions and preparing method and activating method of compound filter element
A composite filter element and condition technology, which is applied in the field of composite filter element reuse, can solve the problems of high cost of activated carbon and inability to reuse activated carbon filter element, and achieve the effect of reducing later cost, improving reuse rate, and good thermal shock resistance.
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Embodiment 1
[0039] Such as Figure 1~4 As shown, a reusable composite filter element under microwave conditions includes a core shell, a core inner wall, an activated carbon filler, and a core partition; the core shell is arranged on the periphery of the core inner wall; a core inner wall is provided with a Activated carbon packing with a section height of 160mm, and both ends of the activated carbon packing are provided with core partitions.
[0040] The core shell and the inner wall of the core are both hollow cylindrical structures, and the inner wall of the core is bonded to the inside of the core shell; the core partition is circular, and the partition is perpendicular to the axial direction of the core inner wall; the core partition is The porous structure has a pore diameter of 9mm and a porosity of 60%. The shape of the hole is a square hole, and the axis of the hole is in the same direction as the axis of the separator.
[0041] The inner wall of the core is a microporous struct...
Embodiment 2
[0043] It is basically the same as that of Example 1, except that the inner wall of the core has a thickness of 8mm; the core partition has a thickness of 18mm; and the outer shell of the core has a thickness of 8mm. There are two sections of activated carbon packing inside the inner wall of the core, and the two ends of each section of activated carbon packing are provided with core partitions, and the distance between two adjacent sections of activated carbon packing is 180mm.
[0044] The reusable composite filter element under the microwave condition in above-mentioned each example, all adopts following method to prepare:
[0045] The raw materials used for the core shell include: 30 parts of 1000-mesh high-purity silica powder (Lianyungang Haote Quartz Co., Ltd.), 20 parts of 200-mesh high-purity silica powder (Lianyungang Haote Quartz Co., Ltd.), 80-mesh high-purity silica powder (Lianyungang Haote Quartz Co., Ltd.) company) 10 parts, 10 parts of cooked calcium aluminate...
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Abstract
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