DUST COLLECTION FILTER
To provide a dust collection filter which can suppress damage of a filter material in reverse washing and lowering of reverse washing performance by reverse flow of air.SOLUTION: A dust collection filter 1 includes a flat plate cylindrical filter part 3 having sheet-like filter materials 31 opposite...
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Format | Patent |
Language | English Japanese |
Published |
25.04.2019
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Abstract | To provide a dust collection filter which can suppress damage of a filter material in reverse washing and lowering of reverse washing performance by reverse flow of air.SOLUTION: A dust collection filter 1 includes a flat plate cylindrical filter part 3 having sheet-like filter materials 31 opposite to each other through a frame part 2, a first edge frame part 4 which is connected to one end side in a cylinder direction of the filter part 3 and has an air doorway 41, and a second edge frame part 5 which is connected to the other end side in the cylinder direction of the filter part 3, where the first edge frame part 4 is composed of a resin member that embeds one end side in the cylinder direction of the filter part 3 by being flown into a first edge frame part molding die to be cured, a width W1 in a filter material opposite direction of the air doorway 41 is set to be smaller than an opposite width W2 of the filter material 31, and a step part 42 that suppresses reverse flow of air blown into the filter in reverse washing is formed between the opposite surface of the filter material 31 and the air doorway 41.SELECTED DRAWING: Figure 2
【課題】逆洗時におけるフィルタ材の損傷や、エアの逆流による逆洗性能の低下を抑制できる防塵フィルタを提供する。【解決手段】集塵フィルタ1は、フレーム部2を介して対向するシート状のフィルタ材31を有する平板筒形状のフィルタ部3と、フィルタ部3の筒方向一端側に連結され、且つエア出入口41を有する第一縁枠部4と、フィルタ部3の筒方向他端側に連結される第二縁枠部5と、を備え、第一縁枠部4は、第一縁枠部成形型に流し込んで硬化させることでフィルタ部3の筒方向一端側を埋設する樹脂製部材で構成され、エア出入口41のフィルタ材対向方向の幅W1は、フィルタ材31の対向幅W2よりも小さく設定され、フィルタ材31の対向面とエア出入口41との間には、逆洗時にフィルタ内部に吹き込まれるエアの逆流を抑制する段差部42が形成される。【選択図】図2 |
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AbstractList | To provide a dust collection filter which can suppress damage of a filter material in reverse washing and lowering of reverse washing performance by reverse flow of air.SOLUTION: A dust collection filter 1 includes a flat plate cylindrical filter part 3 having sheet-like filter materials 31 opposite to each other through a frame part 2, a first edge frame part 4 which is connected to one end side in a cylinder direction of the filter part 3 and has an air doorway 41, and a second edge frame part 5 which is connected to the other end side in the cylinder direction of the filter part 3, where the first edge frame part 4 is composed of a resin member that embeds one end side in the cylinder direction of the filter part 3 by being flown into a first edge frame part molding die to be cured, a width W1 in a filter material opposite direction of the air doorway 41 is set to be smaller than an opposite width W2 of the filter material 31, and a step part 42 that suppresses reverse flow of air blown into the filter in reverse washing is formed between the opposite surface of the filter material 31 and the air doorway 41.SELECTED DRAWING: Figure 2
【課題】逆洗時におけるフィルタ材の損傷や、エアの逆流による逆洗性能の低下を抑制できる防塵フィルタを提供する。【解決手段】集塵フィルタ1は、フレーム部2を介して対向するシート状のフィルタ材31を有する平板筒形状のフィルタ部3と、フィルタ部3の筒方向一端側に連結され、且つエア出入口41を有する第一縁枠部4と、フィルタ部3の筒方向他端側に連結される第二縁枠部5と、を備え、第一縁枠部4は、第一縁枠部成形型に流し込んで硬化させることでフィルタ部3の筒方向一端側を埋設する樹脂製部材で構成され、エア出入口41のフィルタ材対向方向の幅W1は、フィルタ材31の対向幅W2よりも小さく設定され、フィルタ材31の対向面とエア出入口41との間には、逆洗時にフィルタ内部に吹き込まれるエアの逆流を抑制する段差部42が形成される。【選択図】図2 |
Author | KAWASHIMA YOSHIO SUMITA YUKIO TAKAGI KOSUKE |
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Title | DUST COLLECTION FILTER |
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