Device for reducing zinc ash formation of furnace nose on aluminum and zinc plating production line

Abstract

The utility model relates to the technical field of aluminum-zinc plating production, in particular to a device for reducing zinc ash formation of a furnace nose on an aluminum-zinc plating production line, which comprises the furnace nose, fireproof cotton and a steel plate, a steel plate is arranged in the furnace nose, fireproof cotton is filled between the furnace nose and the steel plate, a preheating mechanism is further arranged in the fireproof cotton, and one side of the preheating mechanism is fixedly connected with the steel plate; sealing plates are arranged on the two sides of the fireproof cotton correspondingly, and the outer sides of the sealing plates are fixedly connected with the furnace nose and the steel plate correspondingly. According to the utility model, a circle of steel plate structure is welded on the four walls in the original furnace nose, the welded steel plate structure and the inner wall of the original steel plate structure form a cavity with the width of about 5cm, the hollow frame, the hollow column and the heating rod are arranged in the cavity, and the heating rod is used for preheating the interior of the steel plate to increase the temperature of the steel plate; and high-temperature zinc steam is prevented from being easily condensed on the inner wall, and it is ensured that the to-be-coated steel strip in follow-up operation can be stably coated.

Description

Technical Field

[0001] The utility model relates to the technical field of galvanizing production, in particular to a device for reducing zinc ash formation at the furnace nose of an galvanizing production line. Background Art

[0002] In the production process of aluminum-zinc coating products, since the aluminum content in the zinc pot is 55% and the zinc content is 43%, the melting point is relatively high. The temperature of the liquid aluminum and zinc mixture in the zinc pot is about 600°C, which can easily cause the zinc liquid to volatilize. After the volatilized gaseous zinc enters the furnace nose, since the inner wall of the furnace nose cavity is made of steel structure material, the initial temperature is low, and the high-temperature zinc vapor can easily condense on its inner wall. The inside of the furnace nose is the running steel strip to be coated. The condensed zinc vapor forms zinc ash accumulation. When the amount accumulates to a certain extent, the zinc ash falls from the inner wall of the furnace nose to the steel plate to be coated, affecting the quality of the aluminum-zinc coating strip steel product, causing the aluminum-zinc coating product to be downgraded, and causing economic losses to the enterprise. Therefore, in response to the above problems, a device for reducing the zinc ash formation in the furnace nose of an aluminum-zinc coating production line is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide a device for reducing zinc ash formation in the furnace nose of an galvanizing production line, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] As an optional solution of the device for reducing zinc ash formation in the furnace nose of the galvanized production line described in the utility model, wherein: a device for reducing zinc ash formation in the furnace nose of the galvanized production line comprises a furnace nose, fireproof cotton and a steel plate;

[0006] A steel plate is provided inside the furnace nose, fireproof cotton is filled between the furnace nose and the steel plate, and a preheating mechanism is also provided inside the fireproof cotton, one side of the preheating mechanism is fixedly connected to the steel plate;

[0007] Sealing plates are provided on both sides of the fireproof cotton, and the outer sides of the sealing plates are fixedly connected to the furnace nose and the steel plate respectively.

[0008] As an optional solution for the device for reducing zinc ash formation in the furnace nose of an galvanized production line described in the utility model, there are two groups of sealing plates, and the sealing plates are symmetrically arranged about the center of the furnace nose.

[0009] As an optional solution for the device for reducing zinc ash formation in the furnace nose of the aluminum-zinc plating production line described in the utility model, the sealing plate is arranged in a rectangular frame.

[0010] As an optional solution for the device for reducing zinc ash formation in the furnace nose of the aluminum-zinc plating production line described in the utility model, the distance between the steel plate and the furnace nose is 5 cm.

[0011] In the production process of galvanized products, since the aluminum content in the zinc pot is 55% and the zinc content is 43%, the melting point is relatively high, and the temperature of the liquid aluminum and zinc mixture in the zinc pot is about 600℃, which easily causes the zinc liquid to volatilize. After the volatilized gaseous zinc enters the furnace nose, since the inner wall of the furnace nose cavity is made of steel structure material, the initial temperature is low, and the high-temperature zinc vapor can easily condense on its inner wall. The inside of the furnace nose is the running steel strip to be coated. The condensed zinc vapor forms zinc ash accumulation. When the amount accumulates to a certain extent, the zinc ash will form zinc ash from the furnace nose. The inner wall of the furnace nose falls onto the steel plate to be coated, affecting the quality of the galvanized steel strip product, causing the degradation of the galvanized product and causing economic losses to the enterprise. This device fills fireproof cotton between the furnace nose and the steel plate. The fireproof cotton can play a good heat preservation effect, increase the temperature in the furnace nose, and the high-temperature hot zinc steam is not easy to condense after entering the furnace nose. The amount of zinc ash condensed on the inner wall of the furnace nose is greatly reduced, and the amount of zinc ash falling onto the steel plate to be coated is also sharply reduced, thereby improving the surface quality of the galvanized plate and bringing economic benefits to the enterprise.

[0012] As an optional solution of the device for reducing zinc ash formation in the furnace nose of an aluminum-zinc plating production line described in the utility model, the preheating mechanism includes a hollow frame, a hollow column and a heating rod, one side of the hollow frame is fixedly connected to evenly distributed hollow columns, and the interior of the hollow column and the hollow frame are fixedly connected to heating rods.

[0013] This device is to weld a circle of steel plate structure on the four walls inside the original furnace nose. The welded steel plate structure and the inner wall of the original steel plate structure form a cavity with a width of about 5 cm. A hollow frame, hollow column and heating rod are set inside the cavity. The heating rod is used to preheat the inside of the steel plate to increase its temperature to prevent high-temperature zinc vapor from condensing easily on its inner wall, ensuring that the subsequent steel strip to be coated can have a stable coating.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model device is to weld a circle of steel plate structure on the four walls inside the original furnace nose. The welded steel plate structure and the inner wall of the original steel plate structure form a cavity with a width of about 5 cm. A hollow frame, a hollow column and a heating rod are provided inside the cavity. The heating rod is used to preheat the inside of the steel plate to increase its temperature, thereby preventing high-temperature zinc vapor from condensing easily on its inner wall and ensuring that the subsequent steel strip to be coated can have a stable coating.

[0016] Fireproof cotton is filled between the furnace nose and the steel plate. The fireproof cotton can play a good heat-insulating role and increase the temperature in the furnace nose. The high-temperature hot zinc vapor is not easy to condense after entering the furnace nose. The amount of zinc ash condensed on the inner wall of the furnace nose is greatly reduced, and the amount of zinc ash falling onto the steel plate to be coated is also sharply reduced, thereby improving the surface quality of the aluminum-zinc plate and bringing economic benefits to the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural diagram of the preheating mechanism of the utility model.

[0019] In the figure: 1. furnace nose; 2. fireproof cotton; 3. steel plate; 4. preheating mechanism; 401. hollow frame; 402. hollow column; 403. heating rod; 5. sealing plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1

[0022] See also Figure 1 , the utility model provides a technical solution:

[0023] A device for reducing zinc ash formation on a furnace nose of an galvanizing production line comprises a furnace nose 1, fireproof cotton 2 and a steel plate 3;

[0024] A steel plate 3 is provided inside the furnace nose 1, and fireproof cotton 2 is filled between the furnace nose 1 and the steel plate 3. A preheating mechanism 4 is also provided inside the fireproof cotton 2, and one side of the preheating mechanism 4 is fixedly connected to the steel plate 3;

[0025] Sealing plates 5 are provided on both sides of the fireproof cotton 2 , and the outer sides of the sealing plates 5 are fixedly connected to the furnace nose 1 and the steel plate 3 respectively.

[0026] The sealing plates 5 are provided in two groups, and the sealing plates 5 are symmetrically arranged with respect to the center of the furnace nose 1 .

[0027] The sealing plate 5 is arranged in a rectangular frame.

[0028] The distance between the steel plate 3 and the furnace nose 1 is 5 cm.

[0029] In the production process of galvanized products, since the aluminum content in the zinc pot is 55% and the zinc content is 43%, the melting point is relatively high. The temperature of the liquid aluminum and zinc mixture in the zinc pot is about 600℃, which easily causes the zinc liquid to volatilize. After the volatilized gaseous zinc enters the furnace nose, since the inner wall of the furnace nose cavity is made of steel structure material, the initial temperature is low, and the high-temperature zinc vapor can easily condense on its inner wall. The inside of the furnace nose is the running steel strip to be coated. The condensed zinc vapor forms zinc ash accumulation. When the amount accumulates to a certain extent, the zinc ash will be discharged from the furnace nose. The inner wall of the furnace nose falls onto the steel plate to be coated, affecting the quality of the galvanized steel strip product, causing the galvanized product to be degraded, and causing economic losses to the enterprise. This device fills fireproof cotton 2 between the furnace nose 1 and the steel plate 3. The fireproof cotton 2 can play a good heat preservation effect, increase the temperature in the furnace nose, and the high-temperature hot zinc steam is not easy to condense after entering the furnace nose. The amount of zinc ash condensed on the inner wall of the furnace nose is greatly reduced, and the amount of zinc ash falling onto the steel plate to be coated is also sharply reduced, thereby improving the surface quality of the galvanized plate and bringing economic benefits to the enterprise.

[0030] In this embodiment, the sealing plate 5 is arranged in a rectangular frame and is installed on both sides of the furnace nose 1, which plays a sealing role and ensures the heat preservation effect of the fireproof cotton 2.

[0031] Example 2

[0032] This embodiment is an improvement on embodiment 2. Figure 1 Specifically, the preheating mechanism 4 includes a hollow frame 401, a hollow column 402 and a heating rod 403. One side of the hollow frame 401 is fixedly connected with evenly distributed hollow columns 402, and the interiors of the hollow columns 402 and the hollow frame 401 are fixedly connected with heating rods 403.

[0033] This device is a structure in which a circle of steel plates 3 are welded on the four inner walls of the original furnace nose. The welded steel plates 3 structure and the inner wall of the original steel plate structure form a cavity with a width of about 5 cm. A hollow frame 401, a hollow column 402 and a heating rod 403 are provided inside the cavity. The heating rod 403 is used to preheat the interior of the steel plate 3 to increase its temperature, thereby preventing high-temperature zinc vapor from condensing easily on its inner wall and ensuring that the subsequent steel strip to be coated can have a stable coating.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for reducing zinc ash formation in the nose of an galvanizing production line, characterized by: It comprises a furnace nose (1), fireproof cotton (2) and a steel plate (3); A steel plate (3) is provided inside the furnace nose (1), fireproof cotton (2) is filled between the furnace nose (1) and the steel plate (3), and a preheating mechanism (4) is also provided inside the fireproof cotton (2), and one side of the preheating mechanism (4) is fixedly connected to the steel plate (3); Sealing plates (5) are provided on both sides of the fireproof cotton (2), and the outer sides of the sealing plates (5) are fixedly connected to the furnace nose (1) and the steel plate (3) respectively; The preheating mechanism (4) comprises a hollow frame (401), hollow columns (402) and a heating rod (403); one side of the hollow frame (401) is fixedly connected to the evenly distributed hollow columns (402); and the interiors of the hollow columns (402) and the hollow frame (401) are fixedly connected to the heating rod (403).

2. The device for reducing zinc ash formation in the nose of an galvanizing production line according to claim 1, characterized in that: The sealing plates (5) are provided in two groups, and the sealing plates (5) are symmetrically arranged with respect to the center of the furnace nose (1).

3. The device for reducing zinc ash formation in the nose of an galvanizing production line according to claim 1, characterized in that: The sealing plate (5) is arranged in a rectangular frame.

4. The device for reducing zinc ash formation in the nose of an galvanizing production line according to claim 1, characterized in that: The distance between the steel plate (3) and the furnace nose (1) is 5 cm.

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