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Galvanized sheet drying equipment used in galvanization technology

A technology of drying equipment and galvanized sheet, which is applied in the coating process of metal materials, etc., can solve the problems of galvanized sheet product quality decline, easy rusting of products, and environmental pollution, so as to save energy, prevent residual liquid, The effect of preventing environmental pollution

Inactive Publication Date: 2015-04-29
TIANJIN JIANGLIN PIPES
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] The galvanized sheet should be sprayed with a passivation solution before it leaves the factory to prevent its oxidation and corrosion. The current method is to directly discharge the exhaust gas, which not only pollutes the environment, but also wastes energy. The existing drying equipment will leave liquid on the edge of the sheet after drying the galvanized sheet, and the galvanized sheet with the remaining liquid will enter the recycling In the rolling stage, the quality of galvanized sheet products is reduced, and the products are prone to rust

Method used

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  • Galvanized sheet drying equipment used in galvanization technology
  • Galvanized sheet drying equipment used in galvanization technology

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Embodiment Construction

[0011] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0012] As shown in the figure, the present invention includes a drying box 6 positioned horizontally, a hot gas inlet 2 arranged at the entrance of the drying box, a combustion furnace 1 connected to the hot gas inlet, a waste gas outlet 4 arranged at the outlet of the drying box, and a waste gas The induced draft fan 3 connected to the outlet and the cold air purging device arranged at the front end of the drying box, the outlet of the induced draft fan is connected to the combustion furnace, the hot gas inlet is fixed on the upper end of the drying box inlet, the opening is vertically downward, and the waste gas outlet It is fixed on the upper end of the outlet of the drying box, and the opening is vertically downward. ...

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Abstract

The invention relates to galvanized sheet drying equipment and in particular relates to the galvanized sheet drying equipment used in a galvanization technology. Combustible waste gas is introduced into a combustion furnace to be subjected to secondary combustion, so that environmental pollution is prevented while energy is saved; a cold air purging device is arranged at the front end of a drying case along the flowing direction of a galvanized sheet, the edge of the galvanized sheet is blow-dried in advance by virtue of two air outlets, corresponding to the two edge positions of the galvanized sheet, of the cold air purging device, then the dried sheet which is not rolled up keeps dry by virtue of the drying case, drying quality is improved, no liquid is remained at the edge of the sheet, and the sheet can not rust.

Description

technical field [0001] The invention relates to a galvanized sheet drying equipment, in particular to a galvanized sheet drying equipment used in a galvanizing process. Background technique [0002] The galvanized sheet should be sprayed with a passivation solution before it leaves the factory to prevent its oxidation and corrosion. The current method is to directly discharge the exhaust gas, which not only pollutes the environment, but also wastes energy. The existing drying equipment will leave liquid on the edge of the sheet after drying the galvanized sheet, and the galvanized sheet with the remaining liquid will enter the recycling In the rolling stage, the quality of galvanized sheet products is reduced, and the products are prone to rust. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide an energy-saving device for preventing environmental pollution, preventing li...

Claims

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Application Information

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IPC IPC(8): C23C22/82F23G7/06
Inventor 苑维林
Owner TIANJIN JIANGLIN PIPES
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