Zinc oxide volatilizing kiln head dustproof and vapor-proof device

Abstract

The invention discloses a zinc oxide volatilizing kiln head dustproof and vapor-proof device. The zinc oxide volatilizing kiln head dustproof and vapor-proof device comprises a kiln head cover, a kilnbody is connected to one side of the kiln head cover, a discharging opening is formed in the bottom of the kiln body, an unloading pipe is connected to the discharging opening, a chute is connected to the lower end of the unloading pipe, a dust collection chamber is connected to the lower end of the chute, a slag bath is connected to the lower end of the dust collection chamber, an exhaust funnelis connected to the upper end of the dust collection chamber, a first vertical vapor stop door is rotatably connected to the inner side of the unloading pipe, the first vertical vapor stop door is located at an inlet of the chute, a second vertical vapor stop door is rotatably connected to the inner side of the dust collection chamber, and the second vertical vapor stop door is located at an outlet of the chute. According to the zinc oxide volatilizing kiln head dustproof and vapor-proof device, the first vertical vapor stop door and the second vertical vapor stop door are arranged at the inlet and the outlet of the chute, vapor of slag charges falling into the slag bath can be stopped from being inhaled into the kiln head cover and can enter a bag dust remover with flue gas, so that thevapor is separated from the flue gas, the phenomenon of hardening of the bag dust remover caused by the vapor being inhaled into the bag dust remover is avoided, and the dust removal effect of the bagdust remover is improved.

Description

technical field [0001] The invention relates to the technical field of volatilization kiln equipment, in particular to a dust-proof and steam-proof device for a zinc oxide volatilization kiln kiln head. Background technique [0002] Volatile kiln, also known as volatilization kiln, refers to rotary calcining kiln (commonly known as rotary kiln), which belongs to building materials equipment and is one of the main equipment in the production and preparation of zinc oxide. The material outlet of the volatilization kiln is set at the end of the kiln head of the volatilization kiln. A kiln head cover is arranged on the kiln head of the volatilization kiln. And it is transported to the slag pool through the chute for cooling, and the flue gas generated by calcination is sucked into the bag filter for dust removal, and then it is purified by the desulfurization tower and then discharged. [0003] The patent application number is CN201720536455.4, which discloses a sedimentation t...

AI Technical Summary

Problems solved by technology

However, due to the high temperature of the slag material, when the slag material falls into the slag pool, a large amount of water vapor will be generated, and the water vapor will be sucked back to the kiln hood through the chute and into the bag filter, resulting in the simultaneous removal of water vapor and flue gas. Inhaled into the bag filter, the water vapor will cause the bag filter to bond, affecting the dust removal effect of the bag filter on the dust in the flue gas; when the bag filter is hardened, the inside of the kiln hood will be under positive pressure, and a small amount of flue gas will pass through The gap between the kiln hood and the kiln body will cause environmental pollution; and when the sedimentation tank is used to cool the slag, due to the height difference between the slag outlet in the sedimentation tank and the water surface in the slag tank, when the slag material When the slag material falls on the water surface in the slag tank from the slag outlet, a large amount of water vapor will be generated when the slag material falls into the water, resulting in a high pressure in the sedimentation tank and prone to dust.

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