Dedusting device for flue gas
A dust removal device and flue gas technology, which is applied in the separation of dispersed particles, chemical instruments and methods, separation methods, etc., can solve the problems of high use cost and high equipment cost, and achieve the effect of low cost and high efficiency
Inactive Publication Date: 2012-05-23
JIANGDU SUNENG ELECTRICAL EQUIP
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Problems solved by technology
But their common characteristics are high equipment cost and high use cost; and cooling is one of their main purposes
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[0016] The present invention as figure 1 , 2 , 3, including the outer cylinder 1, the inner cylinder 7 biased in the outer cylinder 1, and the outlet pipe 6 arranged in the inner cylinder 7, which is arranged in the outer cylinder 1 to communicate with the inlet of the smoke source and the inner cylinder 7. An air passage 9, and an air guide screw 5 arranged between the inner cylinder 7 and the air outlet pipe 6;
[0017] The bottom of the outer cylinder 1 is a conical bottom 2, and a dust outlet 3 is provided at the lowest position;
[0018] The bottom of the inner cylinder 7 is open 4 to communicate with the cavity of the outer cylinder 1;
[0019] The upper part of the inner cylinder 7 is provided with an air inlet 8 of the inner cylinder; the air inlet 9 communicates with the air inlet 8 on the upper part of the inner cylinder 7 .
[0020] The inlet 10 of the air inlet 9 runs through the wall of the outer cylinder 1 and is lower than the air inlet 8; the air inlet 9 is ...
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The invention provides a dedusting device for flue gas, which relates to environmental-protection treatment equipment and particularly relates to a dedusting device capable of trapping dust in the flue gas. The dedusting device comprises an outer tube, an inner tube, a gas outlet pipe, a gas inlet passage and a gas guide spiral, wherein the inner tube is offset in the outer tube, the gas outlet pipe is arranged in the inner tube, the gas inlet passage is in communication with a flue gas source and the inner tube and is arranged in the outer tube, and the gas guide spiral is arranged between the inner tube and the gas outlet pipe. According to the invention, the outer tube and the inner tube are arranged, during the process that dust-contained flue gas spirally ascends in the gas inlet passage of the outer tube, partial larger dust particles fall firstly; after the dust-contained flue gas enters the inner tube, a gas passage is lengthened under the action of the gas guide spiral, and more gathering spaces are provided for fine particles, so that the fine particles fall to the bottom of a tube body; and cleaner flue gas is discharged out of the tube body from the gas outlet pipe and is supplied to other heat-consuming devices for use. Compared with the filtering type, cooling type and spraying type dedusting devices, the dedusting device provided by the invention has the advantages of low cost and high efficiency.
Description
technical field [0001] The invention relates to environmental protection treatment equipment, in particular to a dust removal device capable of retaining dust in flue gas. Background technique [0002] The temperature of the hot exhaust gas (flue gas) discharged from boilers and other equipment reaches 140-180 ° C; directly discharged into the atmosphere, on the one hand, a lot of heat energy is wasted, and on the other hand, the particles in the hot exhaust gas will cause greater pollution to the environment. [0003] There are many treatment methods for flue gas in the prior art, including chemical methods, physical methods, and methods combining the two. But their common characteristics are high equipment cost and high use cost; and cooling is one of their main purposes. Contents of the invention [0004] In view of the above problems, the present invention provides a flue gas dedusting device that can efficiently trap particles in the flue gas without lowering the tem...
Claims
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IPC IPC(8): B01D45/06B01D45/02
Inventor 徐开金
Owner JIANGDU SUNENG ELECTRICAL EQUIP