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Humidification equipment for isenthalpic annealing furnace protective gas

A humidification device and protective gas technology, which is applied in the field of humidification treatment device for decarburization protective gas on the heat treatment surface of silicon steel, can solve the problems of large equipment, large area and low control accuracy, and achieves fast humidification treatment speed and energy utilization rate. High, small size effect

Active Publication Date: 2012-11-07
WISDRI ENG & RES INC LTD
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Problems solved by technology

Since the gas directly escapes upward after entering the hot water, the contact time between the gas and the hot water is short, the efficiency is low, and the humidification effect is not good.
In addition, this device is mainly composed of four equipments: gas humidification tank, nitrogen-hydrogen mixture preheater, superheater, and hot water heater. Not in line with the concept of energy saving and emission reduction

Method used

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  • Humidification equipment for isenthalpic annealing furnace protective gas

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Embodiment 1

[0020] See attached figure 1 , an isenthalpy type annealing furnace protective gas humidification device according to the present invention includes a heating chamber 9 that penetrates back and forth and a humidification chamber 10 that also penetrates back and forth. The humidification chamber 10 is provided with an organic polymer humidification film 4, and the humidification chamber The front end of the chamber 10 communicates with the heating chamber 9 through the connecting pipe 2, the rear end is connected to the air outlet pipe 3, and the other end of the heating chamber is connected to the intake pipe 1, and a damper 28 that can adjust the intake air volume is arranged between the heating chamber and the intake pipe , the interfaces at both ends of the humidification chamber 10 and the heating chamber 9 are bell mouths that are wide inside and narrow outside.

[0021] The humidifying membrane 4 is equipped with a set of water replenishing device, which includes a water...

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Abstract

The present invention relates to a gas treatment device, and particularly relates to humidification treatment equipment for silicon steel heat treatment surface decarbonization protective gas. The equipment comprises a heating device and a humidifying device. The humidifying device comprises a humidifying chamber interconnecting from front to back and provided with a humidifying membrane; a front end of the humidifying chamber communicates with a heating device through a connecting pipe, and a rear end of the humidifying chamber is connected to an outlet pipe; and the heating device is also connected with an air inlet pipe. The equipment has characteristics of small volume, high efficiency, fast humidifying processing, low cost and high energy utilization rate, and is in line with modern industrial energy-saving and emission reduction concept.

Description

technical field [0001] The invention relates to a gas treatment device, in particular to a humidification treatment device for decarburization protective gas on the heat treatment surface of silicon steel. Background technique [0002] With the development of the national economy and the continuous improvement of the level of industrial modernization, the demand for high-quality steel is increasing. my country is a big country of steel production, and is actively promoting high-tech products and eliminating products with backward technology. Silicon steel strips belong to this kind of high-end products that are booming. During the production of silicon steel, there are dual requirements for the protective atmosphere in the annealing furnace, which not only prevents surface oxidation, but also facilitates the decarburization of the silicon steel strip to the greatest extent. At present, the iron and steel industry generally uses nitrogen with a saturated water content at a ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/26C21D1/76
Inventor 胡建亮汪学军盖东兴黄永红
Owner WISDRI ENG & RES INC LTD
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