Device for filtering oil smoke
A technology of oil fume filtration and filter plate, which is applied in the direction of oil fume removal, household heating, heating methods, etc., which can solve problems such as high cost of use, reduced oil fume absorption performance of range hoods, and large air volume loss of oil fume filtering devices, so as to ensure long-term maintenance. The effect of normal use, improving the performance of range fume, and prolonging the maintenance-free time
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Embodiment 1
[0048] like Figure 3 ~ Figure 7 Shown is a preferred embodiment of the present invention. like Figure 3 ~ Figure 7 As shown, the oil fume filtering device of this embodiment is in the shape of a rectangular funnel as a whole, and each surface is a double-layer structure composed of two layers of planar filter plates 1, and therefore the filter plates 1 are arranged obliquely relative to the horizontal plane, that is, Said to make the plate wall 3 between adjacent ventilation holes 2 on the filter plate 1 obliquely arranged.
[0049] The filter plate 1 is provided with strip-shaped ventilation holes 2 , and the width and spacing of the ventilation holes 2 on the two filter plates 1 are equal, and the ventilation holes 2 on the two filter plates 1 are arranged in dislocation. Flanges 31 are formed around the ventilation holes 2 , and the direction of the flanges 31 of the ventilation holes 2 on all the filter plates 1 is towards the inside of the range hood.
[0050] The cr...
Embodiment 2
[0056] like Figure 8 indicated, and refer to Figure 4 ~ Figure 6 , is another preferred embodiment of the present invention. like Figure 8 As shown, the oil fume filter device in this embodiment is basically the same as the oil fume filter device in Embodiment 1, the only difference is that the shape and relative size of the plate wall 3 between the adjacent ventilation holes 2 on the filter plate 1 are different. Specifically: in the present embodiment, the cross section of the plate wall 3 between the adjacent ventilation holes 2 on the filter plate 1 is a straight line segment and arc-shaped flanging 31 is extended at the two ends of the straight line segment. The width of the ventilation hole 2 is 10mm, and the ventilation The height H of the flanging 31 of the hole 2 is 5 mm, and the gap M between the two layers of filter plates 1 is 4 mm; in the two layers of filter plates 1, the width ratio of the wall 3 between the adjacent ventilation holes 2 on the upper filter ...
Embodiment 3
[0059] like Figure 9 indicated, and refer to Figure 4 ~ Figure 6 , is another preferred embodiment of the present invention. like Figure 8 As shown, the oil fume filter device in this embodiment is basically the same as the oil fume filter device in Embodiment 1, the only difference is that the shape and relative size of the wall 3 between the adjacent ventilation holes 2 on the filter plate 1 are different, and the two layers The ventilation holes 2 on the filter plate have different widths and spacings. Specifically: the cross-section of the wall 3 between adjacent ventilation holes 2 on the filter plate 1 in this embodiment is a straight line segment and arc-shaped flanging 31 extends at both ends of the straight line segment, and the upper layer filter plate 1 The upper layer of the ventilation hole 2 The width is 1mm, the height H of the flange 31 of the ventilation hole 2 1 is 2mm, the width of the ventilation hole 2 on the lower filter plate 1 is 8mm, and the hei...
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