Strip steel galvanization drying device

Abstract

The utility model relates to a strip steel galvanization drying device, and belongs to the technical field of strip steel machining. Water on the surface of strip steel is blown away through hot air with pressure blown out by the water removal assembly, the drying assembly is matched to heat the drying area, heat is sucked into the hot air circulation area through the mesh partition plate to be recycled, hot air rapidly flows under the action of the drying assembly, and the drying efficiency is improved. The drying box is simple in structure and convenient to operate, air fluidity in the drying box can be improved, the drying efficiency of strip steel surface moisture is improved, the strip steel drying effect is guaranteed, meanwhile, energy waste is reduced, and the use cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of strip steel processing, and in particular relates to a strip steel galvanizing and drying device. Background Art

[0002] Strip steel is a metal material widely used in industrial production. Its main uses include automotive parts, building structures, home appliance manufacturing and other fields.

[0003] During the production process, strip steel usually needs to go through multiple processes, including cold rolling, pickling, galvanizing, etc. After galvanizing, a certain amount of moisture will remain on the surface of the strip steel. If it is not removed in time, it will cause rust on the surface of the strip steel, thus affecting the quality and service life of the strip steel. Secondly, after the strip steel is galvanized, if it is not dried in time, the zinc layer on the surface of the strip steel will react with the oxygen in the air, causing the zinc layer to oxidize, thus affecting the corrosion resistance of the strip steel. Therefore, in order to ensure the quality and performance of the strip steel, it is usually necessary to dry it to remove the surface moisture to improve the quality and performance of the strip steel.

[0004] The existing drying device does not have the function of removing water stains on the surface of the strip before drying it. It usually dries it by internal heating. Since most drying boxes are closed spaces, the hot air has poor fluidity and it is difficult to effectively dry the moisture on the surface of the strip, resulting in uneven drying of the strip surface, poor drying effect, and low drying efficiency. Although some devices currently use hot air for drying, the heat generated during the use of hot air cannot be recycled, resulting in heat waste, large energy consumption and high costs. Summary of the invention

[0005] In order to overcome the problem that the existing drying devices in the background technology do not have the function of removing water stains on the surface of the steel strip before drying, the steel strip is usually dried by internal heating. Since most drying boxes are closed spaces, the hot air fluidity is poor, and it is difficult to effectively dry the moisture on the surface of the steel strip, resulting in uneven drying of the surface of the steel strip, poor drying effect, and low drying efficiency. At present, the heat of some hot air drying devices cannot be recycled during use, resulting in heat waste, large energy consumption and high cost. The utility model provides a galvanized steel strip drying device; the moisture on the surface of the steel strip is blown away by pressurized hot air blown out by a moisture removal component, and the drying area is heated in conjunction with the drying component and the heat is drawn into the hot air circulation area through the mesh partition for recycling. The hot air flows rapidly under the action of the drying component, which is beneficial to increase the air fluidity in the drying box, improves the drying efficiency of the moisture on the surface of the steel strip, ensures the drying effect of the steel strip, and at the same time, reduces energy waste and reduces the cost of use.

[0006] To achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a strip galvanizing drying device mainly comprises a frame, a drying box, a drying component, a moisture removal component, a first changing roller, a support frame, a mesh partition, a controller, and a second changing roller. The frame is equipped with a drying box and a moisture removal component, the moisture removal component is located at the side of the drying box, the interior of the drying box is divided into a drying area and a hot air circulation area by two parallel mesh partitions, a support frame is installed in the drying area, a plurality of rotatable first changing rollers are equidistantly installed at the bottom of the support frame, a plurality of rotatable second changing rollers are equidistantly installed at the top, the second changing rollers are inserted between the first changing rollers, a feed port and a discharge port for the strip to pass through are opened on the side wall of the drying box, the feed port and the discharge port are both located in the drying area, one end of the strip passes through the feed port and is sequentially wound on the first changing roller and the second changing roller, a drying component is installed in the hot air circulation area, the controller is installed on the side wall of the drying box, and the controller is electrically connected to the moisture removal component and the drying component.

[0007] The moisture removal component includes an upper pressure roller, a lower pressure roller, a column, an arc-shaped air guide cover, a connecting shaft, a tightening spring, a first fan, an electric heating wire, a mounting shell, and a hot air pipe. Two columns are installed on the frame. The upper pressure roller and the lower pressure roller are both hollow structures, and blowing holes are opened on the circumferential surfaces of the upper pressure roller and the lower pressure roller. The ends of the upper pressure roller and the lower pressure roller are both installed with connecting shafts. The upper pressure roller and the lower pressure roller are respectively installed on the columns through the connecting shafts. The columns are sleeved with tightening springs for tightening the connecting shafts. Two sets of arc-shaped air guide covers for guiding hot air It is installed on the connecting shaft, one group is located at the top of the upper pressure roller and is coaxial with it, and the other group is located at the bottom end of the lower pressure roller and is coaxial with it. The arc-shaped air deflector is coaxial with the upper pressure roller, and the openings of the two groups of arc-shaped air deflectors are opposite to each other. The mounting shell is installed on the side wall outside the drying box, and the mounting shell is sequentially installed with a heating wire and a first fan from the inside to the outside. The heating wire and the first fan are electrically connected to the controller respectively. A vent connected to the upper pressure roller and the lower pressure roller is opened on the connecting shaft. One end of the hot air pipe is connected to the vent on the connecting shaft, and the other end is connected to the inside of the mounting shell.

[0008] The drying component includes a guide shell, a second fan, and a heating tube. The guide shell is installed on a mesh partition and is located in the hot air circulation area. A ventilating hole connected to the air outlet of the guide shell is opened at the bottom of the mesh partition. A second fan is installed inside the air inlet of the guide shell, and the second fan is electrically connected to the controller.

[0009] A water collecting tank is installed on the frame, and the water collecting tank is located below the moisture removal component. A vent is opened on the top of the drying box, and the vent is located in the hot air circulation area. The first box door and the second box door are hinged on the side walls of the drying box, respectively. The first box door is located in the drying area, and the second box door is in the hot air circulation area.

[0010] A temperature sensor electrically connected to the controller is installed on the inner side wall of the drying box, and the temperature sensor is located in the drying area.

[0011] The cavities formed between the mesh partitions are filled with desiccant for absorbing moisture in the hot air.

[0012] Beneficial effects of the utility model:

[0013] The utility model removes moisture on the surface of the steel strip by means of pressurized hot air blown out by a moisture removal component, and cooperates with a drying component to heat the drying area and draws heat into the hot air circulation area through a mesh partition for recycling. The hot air flows rapidly under the action of the drying component, which is beneficial to increase the air flowability in the drying box, improves the drying efficiency of the moisture on the surface of the steel strip, ensures the drying effect of the steel strip, and at the same time reduces energy waste and reduces the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This utility model is a three-dimensional schematic diagram Figure 1 .

[0015] Figure 2 This utility model is a three-dimensional schematic diagram Figure 2 .

[0016] Figure 3 This utility model is a three-dimensional schematic diagram Figure 3 .

[0017] Figure 4 yes Figure 3 A partial enlarged view of point A in the middle.

[0018] Figure 5 It is a three-dimensional schematic diagram of the installation status of the first direction-changing roller and the second direction-changing roller.

[0019] Figure 6 It is a three-dimensional schematic diagram of the internal structure of the utility model.

[0020] Figure 7 It is a three-dimensional schematic diagram of the installation status of the drying component.

[0021] Figure 8 This is a three-dimensional diagram of the moisture removal component. Figure 1 .

[0022] Fig. 9 It is a three-dimensional schematic diagram of the installation status of the heating wire.

[0023] Fig.10 This is a three-dimensional diagram of the moisture removal component. Figure 2 .

[0024] Fig.11 is a cross-sectional view of the moisture removal assembly.

[0025] Fig.12 It is a schematic diagram of the three-dimensional structure of the first direction-changing roller. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.

[0027] The utility model discloses a strip galvanizing drying device, which mainly comprises a frame 1, a drying box 2, a drying component 3, a moisture removal component 4, a first direction-changing roller 5, a support frame 6, a mesh partition plate 7, a controller 8, and a second direction-changing roller 9. The drying box 2 and the moisture removal component 4 are installed on the frame 1, and the moisture removal component 4 is located at the side of the drying box 2. The interior of the drying box 2 is divided into a drying area 201 and a hot air circulation area 202 by two parallel mesh partition plates 7. The drying area 201 is installed with a support frame 6, and a plurality of rotatable first direction-changing rollers 5 are equidistantly installed at the bottom of the support frame 6, and a plurality of rotatable first direction-changing rollers 5 are equidistantly installed at the top. The second changing roller 9 is arranged between the first changing rollers 5. A feed port 203 and a discharge port 204 for the strip to pass through are provided on the side wall of the drying box 2. The feed port 203 and the discharge port 204 are both located in the drying area 201. One end of the strip passes through the feed port 203 and is wound around the first changing roller 5 and the second changing roller 9 in sequence. A drying component 3 is installed in the hot air circulation area 202. A controller 8 is installed on the side wall of the drying box 2. The controller 8 is electrically connected to the moisture removal component 4 and the drying component 3. A temperature sensor 11 electrically connected to the controller 8 is installed on the inner side wall of the drying box 2. The temperature sensor 11 is located in the drying area 201.

[0028] When in use, one end of the strip is passed through the moisture removal component 4 and the feed port 203 on the drying box 2, wound on the first changing roller 5 and the second changing roller 9 in sequence, and passed through the discharge port 204 to connect with the winding device, and the winding device is started to wind up the strip, thereby driving the strip to move. The operator starts the drying component 3 and the moisture removal component 4 through the controller 8, heats the drying area 201 through the drying component 3, and monitors the heating temperature in the drying area 201 through the temperature sensor 11, and transmits the data to the controller 8 for display. During the movement of the strip, the pressurized hot air blown out by the moisture removal component 4 blows away the moisture on the surface of the strip, and cooperates with the drying component to heat the drying area 201 and draw the heat into the hot air circulation area 202 through the mesh partition plate 7 for recycling. The hot air flows rapidly under the action of the drying component 3, which is beneficial to increase the air fluidity in the drying box 2, improves the drying efficiency of the moisture on the surface of the strip, ensures the drying effect of the strip, and at the same time, reduces energy waste and reduces the cost of use.

[0029] The moisture removal assembly 4 comprises an upper pressure roller 401, a lower pressure roller 402, a column 403, an arc-shaped air guide cover 404, a connecting shaft 405, a tightening spring 406, a first fan 407, an electric heating wire 408, a mounting shell 409, and a hot air pipe 410. Two columns 403 are mounted on the frame 1. The upper pressure roller 401 and the lower pressure roller 402 are both hollow structures, and the circumferential surfaces of the upper pressure roller 401 and the lower pressure roller 402 are both provided with blowing holes 4011. The ends of the upper pressure roller 401 and the lower pressure roller 402 are both provided with connecting rods. The upper pressure roller 401 and the lower pressure roller 402 are respectively mounted on the column 403 through the connecting shaft 405. The column 403 is provided with a tightening spring 406 for pressing the connecting shaft 405. Two sets of arc-shaped air guide covers 404 for guiding hot air are mounted on the connecting shaft 405, one set is located at the top of the upper pressure roller 401 and is coaxial with it, and the other set is located at the bottom end of the lower pressure roller 402 and is coaxial with it. The arc-shaped air guide cover 404 is coaxial with the upper pressure roller 401, and the openings of the two sets of arc-shaped air guide covers 404 are opposite; the mounting shell 409 is mounted Installed on the side wall outside the drying box 2, the installation shell 409 is sequentially installed with a heating wire 408 and a first fan 407 from the inside to the outside, the heating wire 408 and the first fan 407 are electrically connected to the controller 8 respectively, and a vent connected to the upper pressure roller 401 and the lower pressure roller 402 is opened on the connecting shaft 405. One end of the hot air pipe 410 is connected to the vent on the connecting shaft 405, and the other end is connected to the inside of the installation shell 409; one end of the strip steel passes through the gap between the upper pressure roller 401 and the lower pressure roller 402. At this time, the tension spring 406 pushes The shaft 405 is tightly connected so that the tangent surface of the upper pressure roller 401 and the lower pressure roller 402 fits with the surface of the steel strip. The air heated by the electric heating wire 408 is blown into the cavity of the upper pressure roller 401 and the lower pressure roller 402 along the hot air pipe 410 through the first fan 407, and is blown to the surface of the steel strip through the blowing holes 4011 on the upper pressure roller 401 and the lower pressure roller 402 to blow away the moisture on the surface of the steel strip. The arc-shaped air guide hood 404 is conducive to guiding the hot air to the surface of the steel strip, thereby improving the drying efficiency of the moisture on the surface of the steel strip and ensuring the drying effect of the steel strip.

[0030] The drying assembly 3 includes a guide shell 301, a second fan 302, and a heating tube 303. The guide shell 301 is installed on the mesh partition plate 7 and is located in the hot air circulation area 202. A ventilating port connected to the air outlet of the guide shell 301 is provided at the bottom of the mesh partition plate 7. A second fan 302 is installed inside the air inlet of the guide shell 301. The second fan 302 is electrically connected to the controller 8. The power switches of the second fan 302 and the heating tube 303 are turned on by the controller 8, and the drying area 201 is heated by the heating tube 303. At the same time, the second fan 302 The hot air in the drying area 201 is blown to make the hot air flow quickly. During the hot air flow, the hot air circulation area 202 generates negative pressure under the blowing action of the second fan 302, so that the hot air flows through the mesh partition 7 to the hot air circulation area 202, continues to be blown by the second fan 302 and is heated again by the heating pipe 303 before flowing to the drying area 201, which is beneficial to increase the air flowability in the drying box 2, further improves the drying efficiency of the surface moisture of the strip, ensures the drying effect of the strip, and at the same time, reduces energy waste and reduces the cost of use.

[0031] A water collecting trough 10 is installed on the frame 1, and the water collecting trough 10 is located below the moisture removal component 4. A vent 205 is opened on the top of the drying box 2, and the vent 205 is located in the hot air circulation area 202. The first box door 12 and the second box door 13 are hinged on the side walls of the drying box 2, respectively. The first box door 12 is located in the drying area 201, and the second box door 13 is in the hot air circulation area 202; the water collecting trough 10 is used to collect water droplets blown off the surface of the strip, and the first box door 12 and the second box door 13 are convenient for the operator to open for maintenance, repair or strip winding operations.

[0032] The cavity formed between the mesh partitions 7 is filled with a desiccant for absorbing moisture in the hot air; this is beneficial to reducing the moisture in the hot air and ensuring the drying effect of the steel strip. The desiccant is replaced regularly by the operator.

[0033] Working process:

[0034] When in use, one end of the steel strip is passed through the gap between the upper pressure roller 401 and the lower pressure roller 402, and the spring 406 is tightened to press the connecting shaft 405, so that the tangent surface of the upper pressure roller 401 and the lower pressure roller 402 fits the surface of the steel strip, and passes through the feed port 203 on the drying box 2, is wound on the first direction-changing roller 5 and the second direction-changing roller 9 in turn, and passes through the discharge port 204 to connect with the winding device, and the winding device is started to wind up the steel strip, thereby driving the steel strip to move. The operator The controller 8 turns on the power switches of the first fan 407 and the electric heating wire 408, and the air heated by the electric heating wire 408 is blown into the cavities of the upper pressing roller 401 and the lower pressing roller 402 along the hot air pipe 410 through the first fan 407, and is blown to the surface of the steel strip through the blowing holes 4011 on the upper pressing roller 401 and the lower pressing roller 402 to blow away the moisture on the surface of the steel strip. The arc-shaped air guide hood 404 is conducive to guiding the hot air to the surface of the steel strip, thereby improving the surface of the steel strip. The drying efficiency of moisture is improved. At the same time, the operator turns on the power switches of the second fan 302 and the heating tube 303 through the controller 8, heats the drying area 201 through the heating tube 303, monitors the heating temperature in the drying area 201 through the temperature sensor 11, and transmits the data to the controller 8 for display. At the same time, the hot air in the drying area 201 is blown by the second fan 302 to make the hot air flow quickly. During the flow of hot air, the hot air circulation area 202 generates negative pressure under the blowing action of the second fan 302, so that the hot air flows through the mesh partition plate 7 to the hot air circulation area 202, continues to be blown by the second fan 302 and is heated again by the heating tube 303 before flowing to the drying area 201, which is beneficial to increase the air fluidity in the drying box 2, further improves the drying efficiency of the moisture on the surface of the strip, ensures the drying effect of the strip, and at the same time, reduces energy waste and reduces the cost of use.

[0035] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A strip galvanizing drying device, characterized in that: The strip galvanizing drying device comprises a frame (1), a drying box (2), a drying component (3), a moisture removal component (4), a first direction-changing roller (5), a support frame (6), a mesh partition (7), a controller (8), and a second direction-changing roller (9). The frame (1) is provided with a drying box (2) and a moisture removal component (4). The moisture removal component (4) is located on the side of the drying box (2). The interior of the drying box (2) is divided into a drying area (201) and a hot air circulation area (202) by two parallel mesh partitions (7). The drying area (201) is provided with a support frame (6). A plurality of rotatable first direction-changing rollers are equidistantly provided at the bottom of the support frame (6). (5), a plurality of rotatable second direction-changing rollers (9) are equidistantly installed on the top, the second direction-changing rollers (9) are arranged in a space between the first direction-changing rollers (5), a feed port (203) and a discharge port (204) for the strip to pass through are opened on the side wall of the drying box (2), the feed port (203) and the discharge port (204) are both located in the drying area (201), one end of the strip passes through the feed port (203) and is wound on the first direction-changing roller (5) and the second direction-changing roller (9) in sequence, a drying component (3) is installed in the hot air circulation area (202), a controller (8) is installed on the side wall of the drying box (2), and the controller (8) is electrically connected to the moisture removal component (4) and the drying component (3).

2. A strip galvanizing and drying device as claimed in claim 1, characterized in that: The moisture removal assembly (4) comprises an upper pressure roller (401), a lower pressure roller (402), a column (403), an arc-shaped air guide cover (404), a connecting shaft (405), a tensioning spring (406), a first fan (407), a heating wire (408), a mounting shell (409), and a hot air pipe (410). The frame (1) is provided with two columns (403), and the upper pressure roller (401) and the lower pressure roller (402) are both The hollow structure includes an upper pressing roller (401) and a lower pressing roller (402) each having a blowing hole (4011) on its circumferential surface. A connecting shaft (405) is installed at the end of the upper pressing roller (401) and the lower pressing roller (402). The upper pressing roller (401) and the lower pressing roller (402) are installed on a column (403) through the connecting shaft (405). A tightening spring (4011) for tightening the connecting shaft (405) is sleeved on the column (403). 06), two sets of arc-shaped air guide covers (404) for guiding hot air are installed on the connecting shaft (405), one set is located at the top of the upper pressure roller (401) and is coaxial with it, and the other set is located at the bottom end of the lower pressure roller (402) and is coaxial with it, the arc-shaped air guide cover (404) is coaxial with the upper pressure roller (401), and the openings of the two sets of arc-shaped air guide covers (404) are opposite; the mounting shell (409) is installed on the side wall outside the drying box (2), and the mounting shell (409) is installed on the side wall outside the drying box (2). A heating wire (408) and a first fan (407) are installed in the shell (409) from the inside to the outside. The heating wire (408) and the first fan (407) are electrically connected to the controller (8) respectively. A vent connected to the upper pressure roller (401) and the lower pressure roller (402) is provided on the connecting shaft (405). One end of the hot air pipe (410) is connected to the vent on the connecting shaft (405), and the other end is connected to the inside of the installation shell (409).

3. A strip galvanizing and drying device as claimed in claim 1 or 2, characterized in that: The drying component (3) comprises a guide shell (301), a second fan (302), and a heating tube (303); the guide shell (301) is mounted on a mesh partition (7) and is located in a hot air circulation area (202); a ventilating opening connected to an air outlet of the guide shell (301) is provided at the bottom of the mesh partition (7); a second fan (302) is installed inside the air inlet of the guide shell (301); and the second fan (302) is electrically connected to a controller (8).

4. A strip galvanizing and drying device as claimed in claim 3, characterized in that: A water collecting tank (10) is installed on the frame (1), and the water collecting tank (10) is located below the moisture removal component (4). A vent (205) is opened on the top of the drying box (2), and the vent (205) is located in the hot air circulation area (202). A first box door (12) and a second box door (13) are hinged on the side walls of the drying box (2), respectively. The first box door (12) is located in the drying area (201), and the second box door (13) is located in the hot air circulation area (202).

5. A strip galvanizing and drying device as claimed in claim 1 or 4, characterized in that: A temperature sensor (11) electrically connected to the controller (8) is installed on the inner side wall of the drying box (2), and the temperature sensor (11) is located in the drying area (201).

6. A strip galvanizing and drying device as claimed in claim 1 or 4, characterized in that: The cavity formed between the mesh partitions (7) is filled with a desiccant for absorbing moisture in the hot air.

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