Flue gas and water same-channel dust-removing device

Abstract

The invention discloses a flue gas and water same-channel dust-removing device. The flue gas and water same-channel dust-removing device comprises a chimney, a water channel, a water inlet device, a water outlet device and a conical water discharging cover; the inner wall of the chimney is a metal pipeline; the water channel is formed in the chimney longitudinally; a plurality of water spraying holes are formed in the pipe wall of the water channel; a water inlet of the water channel is connected with a water outlet of the water inlet device; the water outlet device is arranged on the chimney;the water outlet device comprises an annular water receiving tank and a water outlet channel; the conical water discharging cover is positioned at the bottom of the chimney. According to the device,tens of thousands of, or even millions of water lines can be sprayed in the chimney transversely at the same time on the basis of not influencing smoke discharging as much as possible, and each waterline can be rebounded after colliding to the inner wall of the chimney and can be dispersed into a plurality of smaller water lines to form a multi-directional spraying three-dimensional dust-removingnetwork, so that the contact area and the time of the water and the flue gas are greatly enlarged and prolonged, and the dust-removing effect is improved.

Description

technical field [0001] The invention belongs to the field of smoke and dust removal, and in particular relates to a smoke and water co-channel dust removal device for chimneys. Background technique [0002] Industrial dust usually refers to dusty industrial waste gas, or mechanical processes such as crushing, screening, conveying, and blasting in the processing of solid materials, or tiny dust generated in processes such as combustion, high-temperature melting, and chemical reactions. Among them, the dust of industrial waste gas contains dust with large particle size and the same chemical composition as the original solid substance, while the latter contains dust with small particle size and different chemical properties from the substance that generates it. The generation of particulate matter can be reduced by improving the production process and combustion technology. [0003] These industrial waste gases, which are often discharged in the process of industrial production...

AI Technical Summary

Problems solved by technology

The density of the spray water line produced by the former is not enough, and it cannot be in full and long-term contact with the flue gas, and it is difficult to achieve an effective dust removal effect. Moreover, due to the limited area of ​​the flue, the number of vertical or parabolic water lines produced is limited, which cannot be applied in practice. Production

The latter is expensive, and the contact time between the generated water mist and the smoke is short, and it will affect the discharge of the smoke

In addition, these two methods consume a lot of water, and when the sprayed water flows down along the side wall of the flue, it will accelerate the air flow in the middle part of the flue and accelerate the discharge, which will further reduce the dust removal effect; An inverted V-shaped water film is formed on the inner wall of the flue, causing poor smoke exhaust or blocking the flue

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