Hot galvanizing tank for metal products

By setting up an upward and downward stirring device in the hot-dip galvanizing tank, the problem of untimely heat exchange caused by the spinning of zinc liquid is solved, and the quality and efficiency of galvanizing are improved.

CN222362151UActive Publication Date: 2025-01-17QINGDAO KAISHENGJIE IND & TRADE CO LTD
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Patent Information

Application Number
CN202420131802.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-19
Publication Date
2025-01-17
Estimated Expiration
2034-01-19

AI Technical Summary

Technical Problem

During the stirring process of the existing hot-dip galvanizing tank, the zinc liquid is swirled, resulting in untimely heat exchange, affecting the galvanizing quality of the workpiece.

Method used

A hot-dip galvanized tank including an upper stirring device and a lower stirring device is designed. The device uses a stirring shaft and a stirring blade driven by an upper drive motor and a lower drive motor to conduct different directions on the upper and lower half of the tank body. The stirring of zinc liquid can be reduced and the heat exchange efficiency can be improved.

Benefits of technology

Effectively reduce the rotation of zinc liquid, improve the heat exchange between zinc liquid, improve the quality and working efficiency of workpiece galvanizing, and prevent uneven mixing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222362151U_ABST
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Abstract

The utility model relates to the technical field of hot-dip galvanizing tanks, in particular to a hot-dip galvanizing tank for metal products, which comprises a hot-dip galvanizing tank body, connecting plates are fixedly mounted at the tops of two sides of the hot-dip galvanizing tank body, two groups of lower stirring devices and upper stirring devices are arranged in the hot-dip galvanizing tank body, each upper stirring device comprises an upper driving motor, and a lower driving motor is arranged in the hot-dip galvanizing tank body. An upper stirring shaft is fixedly mounted at the bottom of the upper driving motor, upper stirring blades are arranged on the outer side of the upper stirring shaft, and the lower stirring device comprises a lower driving motor. According to the utility model, the lower stirring device and the upper stirring device are arranged, and the driving directions of the upper driving motor and the lower driving motor are opposite, so that the lower stirring device and the upper stirring device respectively stir the upper half part and the lower half part of the two sides in the hot galvanizing bath body in different directions, and the effect of stirring zinc liquid is achieved; according to the device disclosed by the utility model, the working efficiency is improved, and non-uniform mixing is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of hot-dip galvanizing tanks, in particular to a hot-dip galvanizing tank for metal products. Background Art

[0002] Hot-dip galvanizing is one of the effective means to delay environmental corrosion of steel materials. During hot-dip galvanizing, the cleaned and activated steel parts are placed in a hot-dip galvanizing tank filled with zinc liquid. Through the reaction and diffusion between iron and zinc, a zinc alloy coating with good adhesion is plated on the surface of the steel products. For example, publication number CN108468008A discloses a hot-dip galvanizing tank for hot-dip galvanizing production, including a galvanizing tank body, a cover plate is installed on the leftmost side of the top of the galvanizing tank body, a reduction motor is installed on the top of the cover plate, the output end of the reduction motor passes through the cover plate and is connected to the coupling, a stirring shaft is installed on the other end of the coupling, and the stirring shaft is located inside the galvanizing tank body, a temperature sensor and a material level sensor are arranged on the upper right side of the inner wall of the galvanizing tank body, and the temperature sensor is arranged at the front end of the material level sensor, and an audible and visual alarm is installed on the upper left side of the outer wall of the galvanizing tank body. The galvanizing tank body is composed of a metal shell, a heating plate, a thermal insulation layer and an inner lining, and the heating plate is arranged between the bottom of the inner lining and the bottom of the thermal insulation layer. The present invention can ensure that the temperature of the zinc liquid in the galvanizing tank body meets the use requirements and maintain the interface height of the zinc liquid in the galvanizing tank body. It is highly practical and the temperature of the zinc liquid in the galvanizing tank body is uniform. However, the above patent has the problem that during the stirring process, the zinc liquid in the hot-dip galvanizing tank makes regular circular motion with the stirring device, and swirls, resulting in untimely heat exchange between the zinc liquids, affecting the quality of galvanizing of the workpiece. Therefore, it is urgent to design a hot-dip galvanizing tank for metal products. Utility Model Content

[0003] The utility model aims to provide a hot-dip galvanizing tank for metal products to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the utility model provides the following technical solution: a hot-dip galvanizing tank for metal products, comprising:

[0005] Hot dip galvanizing tank body:

[0006] Connecting plates are fixedly installed on the top of both sides of the hot-dip galvanizing tank body, two groups of lower stirring devices and upper stirring devices are arranged inside the hot-dip galvanizing tank body, the upper stirring device comprises an upper driving motor, an upper stirring shaft is fixedly installed on the bottom of the upper driving motor, and an upper stirring blade is arranged on the outer side of the upper stirring shaft, the lower stirring device comprises a lower driving motor, a lower stirring shaft is fixedly installed on the top of the lower driving motor, and a lower stirring blade is arranged on the outer side of the lower stirring shaft, a distance is left between the two groups of lower stirring devices and the upper stirring device, the upper driving motor is fixedly connected to the top of the connecting plate, the output shaft of the upper driving motor is connected to the upper stirring shaft, the lower driving motor is fixedly connected to the bottom end of the hot-dip galvanizing tank body, and the output shaft of the lower driving motor is connected to the lower stirring shaft, the bottom of the hot-dip galvanizing tank body is fixedly installed with supporting seats around, and the outer surface of the hot-dip galvanizing tank body is provided with a transparent observation window.

[0007] Preferably, the upper stirring blade and the lower stirring blade are of different sizes.

[0008] Preferably, the upper drive motor and the lower drive motor have different drive speeds.

[0009] Preferably, a material level sensor and a temperature sensor are arranged above the right side of the inner wall of the hot-dip galvanizing tank body, a fixing plate is installed above the left side of the outer wall of the hot-dip galvanizing tank body, and an audible and visual alarm is arranged at the bottom of the fixing plate.

[0010] Preferably, a control box is provided on one side of the hot-dip galvanizing tank body, a controller is provided inside the control box, a control panel is provided inside the control box, a control button is provided on one side of the control panel, and the bottom of the control button is snap-fitted with the inner wall of the control box.

[0011] Preferably, the hot-dip galvanizing tank body is composed of a metal shell, a heat insulation layer, a heating plate and an inner lining, and the heating plate is arranged between the heat insulation layer and the inner lining.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. When in use, by providing a lower stirring device, an upper stirring device, an upper drive motor, an upper stirring shaft, an upper stirring blade, a lower drive motor, a lower stirring shaft, a lower stirring blade, a connecting plate and a transparent observation window, by providing the lower stirring device and the upper stirring device, and providing the upper drive motor and the lower drive motor with opposite driving directions, the lower stirring device and the upper stirring device respectively stir the upper half and the lower half on both sides of the hot-dip galvanizing tank body in different directions, so as to stir the zinc liquid and reduce the swirling of the zinc liquid, thereby facilitating heat exchange between the zinc liquids. The device improves working efficiency and prevents uneven mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of a cutaway perspective view of the structure of the utility model;

[0016] Figure 3 It is a three-dimensional schematic diagram of the stirring device structure of the utility model;

[0017] Figure 4 It is a cross-sectional perspective schematic diagram of the hot-dip galvanizing tank body of the utility model.

[0018] In the figure: 100, hot-dip galvanizing tank body; 110, lower stirring device; 111, upper stirring device; 112, upper drive motor; 113, upper stirring shaft; 114, upper stirring blade; 115, lower drive motor; 116, lower stirring shaft; 117, lower stirring blade; 118, connecting plate; 119, material level sensor; 120, temperature sensor; 121, fixing plate; 122, sound and light alarm; 123, control box; 124, control panel; 125, control button; 126, transparent observation window; 127, metal shell; 128, thermal insulation layer; 129, heating plate; 130, lining. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-4 , an embodiment provided by the utility model:

[0021] A hot dip galvanizing tank for metal products, comprising:

[0022] The device body includes a hot dip galvanizing tank body 100:

[0023] A connecting plate 118 is fixedly installed on the top of both sides of the hot-dip galvanizing tank body 100. Two groups of lower stirring devices 110 and upper stirring devices 111 are arranged inside the hot-dip galvanizing tank body 100. The upper stirring device 111 includes an upper driving motor 112. An upper stirring shaft 113 is fixedly installed at the bottom of the upper driving motor 112. An upper stirring blade 114 is arranged on the outer side of the upper stirring shaft 113. The lower stirring device 110 includes a lower driving motor 115. A lower stirring shaft 116 is fixedly installed on the top of the lower driving motor 115. A lower stirring blade 117 is arranged on the outer side of the lower stirring shaft 116. A distance is left between the two groups of lower stirring devices 110 and the upper stirring device 111. The upper driving motor 112 is fixedly connected to the top of the connecting plate 118. The output shaft of the upper driving motor 112 is connected to the upper stirring shaft 113. The lower driving motor 115 is fixedly connected to the bottom end of the hot-dip galvanizing tank body 100, and the output shaft of the lower driving motor 115 is connected to the lower stirring shaft 116. Support seats are fixedly installed around the bottom of the hot-dip galvanizing tank body 100. A transparent observation window 126 is arranged on the outer surface of the hot-dip galvanizing tank body 100. Through the arrangement of the lower stirring device 110 and the upper stirring device 111, and the arrangement of the upper driving motor 112 and the lower driving motor 115 in opposite directions, the lower stirring device 110 and the upper stirring device 111 respectively stir the upper half and the lower half on both sides of the hot-dip galvanizing tank body 100 in different directions, so as to stir the zinc liquid and reduce the swirling of the zinc liquid, thereby facilitating the heat exchange between the zinc liquids. The device improves the working efficiency and prevents uneven mixing.

[0024] Furthermore, the upper stirring blade 114 and the lower stirring blade 117 are different in size.

[0025] Furthermore, the upper driving motor 112 and the lower driving motor 115 have different driving speeds.

[0026] Furthermore, a material level sensor 119 and a temperature sensor 120 are arranged on the upper right side of the inner wall of the hot-dip galvanizing tank body 100, a fixing plate 121 is installed on the upper left side of the outer wall of the hot-dip galvanizing tank body 100, and an audible and visual alarm 122 is arranged on the bottom of the fixing plate 121. By adding the temperature sensor 120, the temperature of the zinc liquid in the hot-dip galvanizing tank body 100 can be detected in real time, and the material level sensor 119 can detect the height of the zinc liquid in the hot-dip galvanizing tank body 100 in real time. When the detected material level data value is greater than or equal to the preset material level data value, the audible and visual alarm 122 sends out an alarm to remind the staff, thereby improving safety.

[0027] Furthermore, a control box 123 is provided on one side of the hot-dip galvanizing tank body 100 , a controller is provided inside the control box 123 , a control panel 124 is provided inside the control box 123 , a control button 125 is provided on one side of the control panel 124 , and the bottom of the control button 125 is snap-fitted to the inner wall of the control box 123 .

[0028] Furthermore, the hot-dip galvanizing tank body 100 is composed of a metal shell 127 , a heat insulation layer 128 , a heating plate 129 and an inner lining 130 , and the heating plate 129 is arranged between the heat insulation layer 128 and the inner lining 130 .

[0029] Working principle: When in use, by setting the lower stirring device 110 and the upper stirring device 111, and setting the driving directions of the upper drive motor 112 and the lower drive motor 115 in opposite directions, the lower stirring device 110 and the upper stirring device 111 respectively stir the upper and lower halves on both sides of the hot-dip galvanizing tank body 100 in different directions, so as to stir the zinc liquid and reduce the swirling of the zinc liquid, thereby facilitating the heat exchange between the zinc liquids. The device improves work efficiency and prevents uneven mixing. By adding the temperature sensor 120, the temperature of the zinc liquid in the hot-dip galvanizing tank body 100 can be detected in real time. The material level sensor 119 can detect the height of the zinc liquid in the hot-dip galvanizing tank body 100 in real time. When the detected material level data value is greater than or equal to the preset material level data value, the sound and light alarm 122 sounds an alarm to remind the staff, thereby improving safety.

Claims

1. A hot-dip galvanizing tank for metal products, comprising a hot-dip galvanizing tank body (100), characterized in that: The tops of both sides of the hot-dip galvanizing tank body (100) are fixedly provided with connecting plates (118); the interior of the hot-dip galvanizing tank body (100) is provided with two sets of lower stirring devices (110) and upper stirring devices (111); the upper stirring device (111) comprises an upper driving motor (112); an upper stirring shaft (113) is fixedly provided at the bottom of the upper driving motor (112); an upper stirring blade (114) is provided on the outer side of the upper stirring shaft (113); the lower stirring device (110) comprises a lower driving motor (115); a lower stirring shaft (116) is fixedly provided at the top of the lower driving motor (115); A lower stirring blade (117) is provided on the outside, and a distance is left between the two groups of the lower stirring devices (110) and the upper stirring device (111). The upper driving motor (112) is fixedly connected to the top of the connecting plate (118), and the output shaft of the upper driving motor (112) is connected to the upper stirring shaft (113). The lower driving motor (115) is fixedly connected to the bottom end of the hot-dip galvanizing tank body (100), and the output shaft of the lower driving motor (115) is connected to the lower stirring shaft (116). Support seats are fixedly installed around the bottom of the hot-dip galvanizing tank body (100), and a transparent observation window (126) is provided on the outer surface of the hot-dip galvanizing tank body (100).

2. A hot dip galvanizing tank for metal products according to claim 1, characterized in that: The upper stirring blade (114) and the lower stirring blade (117) are of different sizes.

3. A hot dip galvanizing tank for metal products according to claim 1, characterized in that: The upper drive motor (112) and the lower drive motor (115) have different drive speeds.

4. A hot dip galvanizing tank for metal products according to claim 1, characterized in that: A material level sensor (119) and a temperature sensor (120) are arranged above the right side of the inner wall of the hot-dip galvanizing tank body (100), a fixing plate (121) is installed above the left side of the outer wall of the hot-dip galvanizing tank body (100), and an audible and visual alarm (122) is arranged at the bottom of the fixing plate (121).

5. A hot dip galvanizing tank for metal products according to claim 1, characterized in that: A control box (123) is arranged on one side of the hot-dip galvanizing tank body (100), a controller is arranged inside the control box (123), a control panel (124) is arranged inside the control box (123), a control button (125) is arranged on one side of the control panel (124), and the bottom of the control button (125) is snap-fitted with the inner wall of the control box (123).

6. A hot dip galvanizing tank for metal products according to claim 1, characterized in that: The hot-dip galvanizing tank body (100) is composed of a metal shell (127), a heat insulation layer (128), a heating plate (129) and an inner lining (130), wherein the heating plate (129) is arranged between the heat insulation layer (128) and the inner lining (130).

Citation Information

Patent Citations

  • Hot galvanizing bath for hot galvanizing

    CN108468008A