Cooling device for hot galvanizing

Abstract

The utility model relates to the technical field of hot galvanizing, in particular to a cooling device for hot galvanizing, which comprises a cooling cover, an inlet / outlet arranged at the bottom of the cooling cover, and a galvanized piece hanging mechanism capable of entering and exiting from the cooling cover from the inlet / outlet and capable of rotating, the cooling time is short, the cooling energy consumption is low, and the cooling efficiency is improved.

Description

Technical Field

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

[0002] Hot-dip galvanizing is one of the most effective means to delay environmental corrosion of steel materials. It involves immersing the cleaned and activated steel products in molten zinc liquid, and coating the steel products with a zinc alloy coating having good adhesion on the surface through reaction and diffusion between iron and zinc. After hot-dip galvanizing, the plated parts need to be cooled. After searching, the patent with publication number CN220788739U discloses a cooling device for hot-dip galvanizing, which fixes the galvanized parts up and down and sprays and cools the galvanized parts from both sides. However, during the cooling process, the spray water falls from the galvanized parts by its own gravity, and the heat exchanged from the galvanized parts goes down with it. This cooling process is relatively slow, and because the spraying is performed directly, some water does not have time to be cold-displaced with the galvanized parts during the collection and installation, and splashes out. Therefore, it is necessary to extend the spraying time to meet the cooling of the galvanized parts. To this end, a hot-dip galvanizing cooling device with short cooling time, low cooling energy consumption and improved cooling efficiency is designed. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a cooling device for hot-dip galvanizing, which has a short cooling time and low cooling energy consumption, thereby improving cooling efficiency.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for hot-dip galvanizing, comprising a cooling hood, wherein an inlet and outlet are arranged at the bottom of the cooling hood, and a galvanized parts hanging mechanism which can enter and exit the cooling hood from the inlet and outlet and can rotate on its own, and a cooling spray mechanism is arranged at the inner top of the cooling hood.

[0007] Preferably, the galvanized part hanging mechanism comprises a fixed block with a plurality of hooks arranged at the bottom, and also comprises a lifting drive component for driving the fixed block to lift and lower, and a rotating drive component for driving the fixed block to rotate.

[0008] Preferably, the rotary drive assembly comprises a lifting column that is rotatably and slidably matched with the top of the cooling cover, the bottom of the lifting column is fixedly connected to the fixed block, and a rotary drive motor that drives the lifting column to rotate is arranged above the lifting column.

[0009] Preferably, the lifting drive assembly includes a lifting frame arranged above the cooling hood, the top end of the lifting column is rotatably connected to the lifting frame, the rotary drive motor is fixedly mounted on the lifting frame, and a lifting drive cylinder is arranged between the lifting frame and the outer top of the cooling hood.

[0010] Preferably, the cooling spray mechanism comprises a spray ring pipe arranged at the top of the cooling hood, and a plurality of spray branches inclined toward the middle are arranged at the bottom of the spray ring pipe.

[0011] Preferably, the cooling hood is configured to be spherical, and the inlet and outlet are configured to be an inclined structure and a drainage mechanism is provided, the drainage mechanism includes a water retaining ring belt and a drainage pipe, the water retaining ring belt is fixedly installed at the inlet and outlet and a guide groove is provided between the water retaining ring belt and the inner side wall of the cooling hood, and the top of the drainage pipe is connected to the lowest point of the guide groove.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a cooling device for hot-dip galvanizing, which has the following beneficial effects:

[0014] The cooling device for hot-dip galvanizing uses a gold-plated piece hanging mechanism to facilitate hanging the gold-plated piece from the outside of the inlet and outlet, and lifts the hung gold-plated piece into the cooling cover through the inlet and outlet, and then drives the gold-plated piece entering the cooling cover to rotate, and the bottom of the gold-plated piece tilts outward. At the same time, the gold-plated piece in rotation can be sprayed by a cooling spray mechanism located at the top of the cooling cover. As the gold-plated piece rotates, the coolant falling on the galvanized piece is sequentially outward from top to bottom, which can increase the contact area and duration of the coolant and the gold-plated piece, and then is thrown outward to the inner wall of the cooling cover, thereby shortening the cooling time as a whole, improving the cooling efficiency of the coolant, further reducing the cooling energy consumption, and discharging waste water through the outer edge of the inlet and outlet. The cooling device for hot-dip galvanizing has a short cooling time and low cooling energy consumption, and improves the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the overall partial section of the utility model;

[0016] Figure 2 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0017] Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 4 This is a structural diagram of the galvanized parts hanging mechanism of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the cooling spray mechanism of the utility model.

[0020] Markings in the attached figure: 1. Cooling hood; 2. Fixed block; 3. Hook; 4. Water retaining ring belt; 5. Guide groove; 6. Drain pipe; 7. Spray main pipe; 8. Spray ring pipe; 9. Spray branch pipe; 10. Spray water tank; 11. Water pump; 12. Tube block; 13. Lifting frame; 14. Lifting drive cylinder; 15. Lifting column; 16. Rotary drive motor; 17. Fixed ring support. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figure 1-5 A cooling device for hot-dip galvanizing includes a cooling hood 1, an inlet and an outlet are arranged at the bottom of the cooling hood 1, and a galvanized part hanging mechanism that can enter and exit the cooling hood 1 from the inlet and outlet and can rotate on its own, and a cooling spray mechanism is arranged on the inner top of the cooling hood 1.

[0024] Specifically, the galvanized parts hanging mechanism includes a fixed block 2 with a plurality of hooks 3 at the bottom, and also includes a lifting drive component for driving the fixed block 2 to lift and lower and a rotating drive component for driving the fixed block 2 to rotate. A single gold-plated frame can be hung on the fixed block 2 through the plurality of hooks 3, and the number of hooks 3 can be increased or decreased accordingly according to the size of the gold-plated parts. The gold-plated parts hung under the fixed block 2 can be lifted into the cooling cover 1 or sent downward from the cooling cover 1 through the lifting drive component. The rotating drive component can facilitate the rotation of the gold-plated parts lifted into the cooling cover 1, accelerate the overflow speed of the cooling water from the gold-plated parts, and make the gold-plated parts inclined, thereby improving the spraying effect.

[0025] Specifically, the rotary drive assembly includes a lifting column 15 that rotates and slides with the top of the cooling cover 1, the bottom of the lifting column 15 is fixedly connected to the fixed block 2, and a rotary drive motor 16 that drives the lifting column 15 to rotate is arranged above the lifting column 15. Starting the rotary drive motor 16 can drive the lifting column 15, the fixed block 2 and the multiple hooks 3 to rotate as a whole.

[0026] Specifically, the lifting drive assembly includes a lifting frame 13 arranged above the cooling cover 1, the top of the lifting column 15 is rotatably connected to the lifting frame 13, the rotary drive motor 16 is fixedly installed on the lifting frame 13, and a lifting drive cylinder 14 is arranged between the lifting frame 13 and the outer top of the cooling cover 1. The lifting drive cylinder 14 facilitates the lifting and lowering adjustment of the lifting frame 13, thereby driving the rotary drive assembly to rotate.

[0027] Specifically, the cooling spray mechanism includes a spray ring pipe 8 arranged at the top of the cooling cover 1, and a plurality of spray branches 9 are arranged at the bottom of the spray ring pipe 8 and are inclined toward the middle. Through the spray ring pipe 8 and the spray branch pipe 9, spraying is convenient for spraying at the lower middle position, so that the spray is sprayed to the top of the gold-plated part, and the coolant slides down along the outer surface of the gold-plated part as it rotates. It also includes a hosting block 12 for supporting the spray ring pipe 8, and also includes a liquid supply component for providing cooling spray liquid to the spray ring pipe 8. The liquid supply component It includes a spray water tank 10 fixedly installed on the outer top of the cooling cover 1, a water pump 11 fixedly installed on the bottom of the spray water tank 10, the input end of the water pump 11 is fixedly connected to the bottom of the spray water tank 10, and the output end of the water pump 11 is fixedly connected to the spray ring pipe 8 through the spray main pipe 7. Starting the water pump 11 facilitates the extraction of the coolant in the spray water tank 10 and pressurization, and then sends it into the spray ring pipe 8 through the spray main pipe 7. Furthermore, a liquid adding tank is opened on the top side of the spray water tank 10.

[0028] Specifically, the cooling hood 1 is set to be spherical, and the inlet and outlet are set to be an inclined structure and a drainage mechanism, the drainage mechanism includes a water retaining ring belt 4 and a drain pipe 6, the water retaining ring belt 4 is fixedly installed at the inlet and outlet and a guide groove 5 is set between the inner wall of the cooling hood 1, the top of the drain pipe 6 is connected to the lowest point of the guide groove 5, and the cooling hood 1 is set to be arc-shaped, so that the liquid thrown onto the inner wall of the cooling hood 1 can flow into the guide groove 5 and be discharged through the drain pipe 6. Furthermore, the middle part of the cooling hood 1 is fixedly connected with a fixed ring support 17, and the fixed ring support 17 can facilitate the installation of the entire device to the side of the hot-dip galvanizing tank.

[0029] When in use, the gold-plated parts are hung on the gold-plated parts hanging mechanism, and then the hung gold-plated parts are lifted into the cooling cover 1 through the inlet and outlet, and then the gold-plated parts entering the cooling cover 1 are driven to rotate, and the bottom of the gold-plated parts are tilted outward. At the same time, the rotating gold-plated parts can be sprayed by the cooling spray mechanism at the top of the cooling cover 1. As the gold-plated parts rotate, the coolant falling on the galvanized parts is sequentially outward from top to bottom, so as to spray and cool the gold-plated parts. After cooling, the gold-plated parts are sent out from the inlet and outlet, and the gold-plated parts can be taken off.

[0030] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0031] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0032] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0033] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cooling device for hot dip galvanizing, characterized in that: The invention comprises a cooling hood (1), wherein an inlet and outlet are arranged at the bottom of the cooling hood (1), and a galvanized part hanging mechanism which can enter and exit the cooling hood (1) through the inlet and outlet and can rotate on its own, and a cooling spray mechanism is arranged at the inner top of the cooling hood (1).

2. The cooling device for hot dip galvanizing according to claim 1, characterized in that: The galvanized part hanging mechanism comprises a fixed block (2) with a plurality of hooks (3) arranged at the bottom, and also comprises a lifting drive component for driving the fixed block (2) to lift and lower, and a rotating drive component for driving the fixed block (2) to rotate.

3. The cooling device for hot dip galvanizing according to claim 2, characterized in that: The rotary drive assembly comprises a lifting column (15) which is rotatably and slidably matched with the top of the cooling cover (1); the bottom of the lifting column (15) is fixedly connected to the fixed block (2); and a rotary drive motor (16) is arranged above the lifting column (15) for driving the lifting column (15) to rotate.

4. The cooling device for hot dip galvanizing according to claim 3, characterized in that: The lifting drive assembly comprises a lifting frame (13) arranged above the cooling cover (1), the top end of the lifting column (15) is rotatably connected to the lifting frame (13), the rotary drive motor (16) is fixedly mounted on the lifting frame (13), and a lifting drive cylinder (14) is arranged between the lifting frame (13) and the outer top of the cooling cover (1).

5. The cooling device for hot dip galvanizing according to claim 4, characterized in that: The cooling spray mechanism comprises a spray ring pipe (8) arranged at the top of the cooling cover (1), and a plurality of spray branch pipes (9) inclined toward the middle are arranged at the bottom of the spray ring pipe (8).

6. The cooling device for hot dip galvanizing according to claim 5, characterized in that: The cooling hood (1) is configured to be spherical, and the inlet and outlet are configured to be an inclined structure and provided with a drainage mechanism, the drainage mechanism comprising a water retaining ring belt (4) and a drainage pipe (6), the water retaining ring belt (4) is fixedly installed at the inlet and outlet and a guide groove (5) is provided between the water retaining ring belt (4) and the inner side wall of the cooling hood (1), and the top end of the drainage pipe (6) is connected to the lowest point of the guide groove (5).

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