Furnace nose humidifier rectification method

Abstract

The invention relates to a furnace nose humidifier rectification method. The furnace nose humidifier rectification method includes the following steps that a water discharging tank is additionally arranged in an original furnace nose humidifier pipeline so that water in a gas-water separator can be discharged at the first time; the work gas tightness of an air extracting pump is improved, and a control circuit of the air extracting pump is optimized to avoid the situation that zinc ash is pumped in during overhaul deactivation; an air inlet pipeline connector of a reducing valve is improved, the fact that nitrogen pressure is at 0.02-0.04 MPa is guaranteed, and pressure fluctuation and waste of nitrogen are avoided; and water adding parameters of a water tank are optimized, water is fed inat a small amount multiple times, sudden decrease of the temperature of the working water tank is avoided, and the work temperature is adjusted to reach the required dew point. Improvement is conducted with low cost on the premise of not affecting the functions of existing equipment, the functions are more complete, the effect is better, and meanwhile the cost of equipment parts and constructioncost are lowered.

Description

technical field [0001] The invention relates to a furnace nose humidifier used in iron and steel enterprises, in particular to a rectification method for a furnace nose humidifier. Background technique [0002] The zinc liquid in the zinc pot evaporates and condenses into zinc ash in the furnace nose, and the zinc ash floats in the entire furnace nose cavity under the pressure of the gas in the furnace. When the strip steel enters the furnace nose from the annealing furnace and is galvanized, the zinc ash condensed in the furnace nose will be stained on the strip steel when it exits the zinc liquid surface, which will cause zinc ash traces to form on the surface of the strip steel and affect product quality. However, the humidification effect of the original humidifier was not good, and the wet nitrogen gas produced was insufficient in water content, which made it impossible to completely suppress the undulating zinc ash in the furnace nose, resulting in product degradation....

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Problems solved by technology

[0004] Aiming at the shortcomings of the furnace nose humidifier in the prior art, such as poor humidification effect due to the inability to remove the condensed water in the gas-water separator, the technical problem to be solved by the present invention is to provide a furnace nose humidifier that can improve the humidification efficiency of the entire humidifier device rectification method

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