Mist recovering method and apparatus
First Claim
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1. A mist recovering apparatus for recovering a mist contained in a gas, comprising:
- a filter made of a lamination of at least five metal wire nets and having a gas inlet surface and an opposite gas outlet surface, said wire nets having pores formed by wires, respectively, and assembled in a face-to-face lamination with the pores disposed in mutually adjoining and communicating relation, said pores of one wire net having a greater pore size than an adjoining wire net with respect to a direction from said gas inlet surface to said gas outlet surface, said pores being gradually and continually enlarged in pore size in said direction so that the pores have largest sizes in said outlet surface, said filter being disposed with said gas inlet surface and said gas outlet surface extending substantially vertically;
means for causing a gas containing a mist to flow through said gas inlet surface, said pores and said gas outlet surface;
whereby the mist in the gas flow grows into liquid droplets in the pores as the mist is forced to flow through the pores, the largest sizes of the pores being such as to cause the droplets, which have reached the gas outlet surface, to grow to a size to drip by gravity; and
draining means disposed below said gas outlet surface to receive the droplets which have dripped down along the gas outlet surface, the draining means having a draining pipe.
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Abstract
In a mist recovering apparatus for recovering a mist contained in a gas, provided with a filter having pores of pore size increasing from a gas inlet side toward a gas outlet side, the gas containing the mist is passed from the gas inlet side of the filter, through the filter toward the gas outlet side of the filter. The mist is trapped by the filter and grows into droplets as the gas containing the mist flows through the filter, and the droplets drip down along the gas outlet surface of the filter and are collected under the filter.
21 Citations
8 Claims
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1. A mist recovering apparatus for recovering a mist contained in a gas, comprising:
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a filter made of a lamination of at least five metal wire nets and having a gas inlet surface and an opposite gas outlet surface, said wire nets having pores formed by wires, respectively, and assembled in a face-to-face lamination with the pores disposed in mutually adjoining and communicating relation, said pores of one wire net having a greater pore size than an adjoining wire net with respect to a direction from said gas inlet surface to said gas outlet surface, said pores being gradually and continually enlarged in pore size in said direction so that the pores have largest sizes in said outlet surface, said filter being disposed with said gas inlet surface and said gas outlet surface extending substantially vertically; means for causing a gas containing a mist to flow through said gas inlet surface, said pores and said gas outlet surface; whereby the mist in the gas flow grows into liquid droplets in the pores as the mist is forced to flow through the pores, the largest sizes of the pores being such as to cause the droplets, which have reached the gas outlet surface, to grow to a size to drip by gravity; and draining means disposed below said gas outlet surface to receive the droplets which have dripped down along the gas outlet surface, the draining means having a draining pipe. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification