Galvanizing line for single-strand rope or chain plated parts

Abstract

The invention relates to a single cord type or chain type plating part galvanizing production line. The single cord type or chain type plating part galvanizing production line comprises an ammonium chloride pool and a hot galvanizing furnace which are arranged in sequence along the advancing direction of a plating part, wherein the hot galvanizing furnace comprises a zinc furnace steel structure,a furnace body and a zinc boiler; a burning nozzle is arranged on the furnace body; a flame path is arranged between the furnace body and the zinc boiler; a flame ejection opening of the burning nozzle communicates with the flame path; a plating part drying and preheating device is arranged between the ammonium chloride pool and the hot galvanizing furnace and comprises a drying and preheating pipe which is arranged on a preheating support; an opening at one end of the drying and preheating pipe is set as a plating part inlet; a first carrier roller device is arranged at a part, close to the plating part inlet, of the preheating support; the other end of the drying and preheating pipe is connected to the furnace body; a drying and preheating channel communicating coaxially with an inner hole of the drying and preheating pipe is arranged on the furnace body; a plating part outlet is formed in one end, departing from the drying and preheating pipe, of the drying and preheating channel; and an opening communicating with the flame path is formed in the side part of the drying and preheating channel. The single cord type or chain type plating part galvanizing production line can prolongthe service life of the zinc boiler, saves energy sources and improves the quality and speed of galvanizing.

Description

technical field [0001] The invention relates to a device for galvanizing single-strand rope or chain-type galvanized parts, in particular to a galvanizing production line for single-strand rope or chain-type galvanized parts, which belongs to the technical field of metal processing equipment. Background technique [0002] In order to improve the corrosion resistance of the plated parts, it is usually necessary to galvanize the surface of the plated parts to cover a layer of metal zinc on the surface of the plated parts. [0003] The general process of galvanizing operation is as follows: (1), first use alkaline liquid to carry out alkaline cleaning on the plated parts, and then use clear water to wash off the alkaline cleaning liquid on the surface of the plated parts; (2), then use acidic liquid to wash the plated parts Pickling, then wash off the acidic liquid adhering to the surface of the plated piece with clear water; (3), then dip-coat the ammonium chloride plating flu...

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the traditional galvanizing method is to directly send the plated parts at room temperature into the zinc bath and then galvanize. The temperature of the galvanized parts in the zinc bath is much lower than the temperature of the zinc bath. The zinc bath around the galvanized parts is suddenly cooled down, and zinc lumps will condense on the surface of the galvanized parts. In order to ensure the normal galvanizing process, it is necessary to use the heat of the zinc bath to melt these Only agglomeration can be galvanized, which requires setting a length in the zinc pot to melt these agglomerates, and the speed of the plated parts cannot be too fast, resulting in low production efficiency

(2) Since the temperature of the zinc solution needs to be maintained at 445°C to 460°C, it is required that the temperature change of the zinc solution should not be too large, and the absorption of the heat of the zinc solution by the plated parts will increase the temperature change of the zinc solution and affect the galvanizing effect

(4) For rope-type or chain-type galvanized parts, the diameters of different specifications of galvanized parts are different, and their center heights are also different. The simply modified steel wire hot-dip galvanizing furnace cannot be applied to a variety of single-strand rope-type or chain-type galvanized parts of different specifications. Chain plating

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