Gas supply device for steel plate galvanization

Abstract

The utility model relates to the field of hot-dip galvanizing, in particular to an air supply device for steel plate galvanizing, which comprises a box body, an air blower, an air grid, a connecting pipe and a movable block, seven groups of groove bodies which are equidistantly distributed left and right are arranged on the inner walls of the upper end and the lower end of the box body in a penetrating manner, the air grid is mounted in the groove bodies, and the connecting pipe is mounted in an air inlet of the air grid. A connecting pipe is arranged in the box body, an air grid is arranged in the box body, a valve is arranged at the joint of the connecting pipe and the air grid, an air blower is arranged at the right end of the box body, an upper group of air transmission holes and a lower group of air transmission holes are formed in the air outlet end of the air blower, air pipes are arranged in the air transmission holes, and one end of the connecting pipe is connected with the air pipes. When a steel plate with a small area is subjected to heat dissipation, part of unnecessary air grids can be closed, the air inflow is reduced so as to save cost, then the distance and the position of the support can be adjusted according to the area of the steel plate through the structure of the movable block, the support and the sliding block, and the heat dissipation uniformity of the surface of the steel plate can also be guaranteed under the condition that the air inflow is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hot dip galvanizing field, concretely relates to the air supply device for steel plate zinc plating. BACKGROUND

[0002] The air supply device for steel plate zinc plating is used to cool the steel plate rapidly after zinc plating, using cooling gas such as air, to reduce the temperature of the steel plate and rapidly solidify the zinc plating layer, and the cooling gas is uniformly distributed on the surface of the steel plate by the air flow device to ensure that the temperature is rapidly and uniformly reduced.

[0003] The existing air supply device for steel plate zinc plating needs workers to place the zinc-plated steel plate on the frame body and manually operate the air pipe to supply air to the surface of the steel plate for heat dissipation. The heat dissipation area of the commonly used air supply device is usually fixed, and it is difficult to adjust the air intake according to the area of the steel plate when heat dissipation is required for steel plates of different sizes, which may cause unnecessary energy waste.

[0004] Therefore, in view of the problem that the air supply device for steel plate zinc plating is difficult to adjust the air intake according to the area of the steel plate when in use, an air supply device for steel plate zinc plating is developed, which comprises an adjustable air intake structure composed of a wind grid, a connecting pipe and a valve. When heat dissipation is required for a steel plate with a small area, part of the unnecessary wind grid can be closed to reduce the air intake and save costs. The movable support structure composed of a movable block, a support and a sliding block can adjust the distance and position of the support according to the area of the steel plate, which can ensure the uniformity of the heat dissipation on the surface of the steel plate under the condition of reducing the air intake. SUMMARY

[0005] To overcome the problem that the air supply device for steel plate zinc plating is difficult to adjust the air intake according to the area of the steel plate when in use.

[0006] The technical scheme of the utility model is as follows: an air supply device for steel plate zinc plating, comprising a box body and a blower, and further comprising an air pipe, a wind grid, a connecting pipe and a movable block, seven groups of groove bodies are arranged at equal intervals on the inner walls of the upper and lower ends of the box body, the wind grid is installed in the groove body, the connecting pipe is installed in the air inlet hole of the wind grid, the valve is installed at the connection between the connecting pipe and the wind grid, the blower is installed at the right end of the box body, the air outlet end of the blower is flush with the rear end of the box body, the air outlet end of the blower is provided with two groups of air supply holes, the air pipe is installed in the air supply hole, one end of the connecting pipe is connected with the air pipe, two groups of sliding grooves are arranged on the inner wall of the rear end of the box body, two groups of movable blocks are arranged on the inner wall of the box body, the rear end of the movable block is fixedly connected with the sliding block, the sliding block is matched with the sliding groove, and the front end of the movable block is fixedly connected with the support.

[0007] Preferably, a left end inner wall of the box is provided with a left-right symmetrical slot hole, and a reversing fan is installed at the left end of the box, with an air outlet of the reversing fan located outside the box.

[0008] Preferably, an air inlet of the reversing fan is provided with a recovery pipe, and a right end of the recovery pipe passes through the slot hole and is flush with a right end inner wall of the box.

[0009] Preferably, an outer wall of the recovery pipe is attached to an inner wall of the slot hole, and the upper and lower groups of air grilles correspond to each other.

[0010] Preferably, the upper ends of the supports are located at the centers of the upper and lower end inner walls of the box, and the ends of the supports away from each other are fixedly connected with the stop blocks.

[0011] Preferably, a plurality of pipe racks that are symmetrical in the up-down direction and equidistant in the left-right direction are fixedly connected to the rear end of the box, and inner walls of the pipe racks are attached to an outer wall of the air pipe.

[0012] Preferably, the front end of the box is hingedly connected with a box door, and a sealing rubber strip is installed on a contact surface of the box door and the box.

[0013] The beneficial effects of the present application are as follows:

[0014] 1. The air grilles installed in the seven groups of groove bodies can uniformly dissipate heat from the upper and lower surfaces of the steel plate, and the valve can control the air inlet state of the air grilles. Compared with the existing steel plate galvanizing air supply device, a proper number of air grilles can be closed or opened according to the area of the steel plate, the air inlet amount can be adjusted according to steel plates of different areas, unnecessary waste is avoided, and the fixing effect on the steel plate is improved.

[0015] 2. The sliding blocks can slide left and right in the sliding grooves, and the spacing between the left and right supports can be adjusted. Compared with the existing steel plate galvanizing air supply device, the supports can be adjusted according to the area of the steel plate, the supports are more attached to the steel plate, the fixing effect on the steel plate is improved, and the steel plate is prevented from vibrating during heat dissipation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the air supply device for steel plate galvanizing is shown.

[0017] Figure 2 A three-dimensional structure split schematic diagram of the air supply device for steel plate galvanizing is shown.

[0018] Figure 3 A three-dimensional structure schematic diagram of the box of the air supply device for steel plate galvanizing is shown.

[0019] Figure 4 A three-dimensional structure split schematic diagram of the air grille of the air supply device for steel plate galvanizing is shown.

[0020] Figure 5 The utility model discloses a three-dimensional structure schematic diagram of fan of air supply device for steel plate galvanization shows,

[0021] Figure 6 The utility model discloses a three-dimensional structure split schematic diagram of support of air supply device for steel plate galvanization shows,

[0022] Figure 7 The utility model discloses a three-dimensional structure split schematic diagram of box door of air supply device for steel plate galvanization shows.

[0023] Mark explanation: 1, the box body, 2, the air blower, 3, the back fan, 4, the air pipe, 5, the air grid, 6, the box door, 7, the groove, 8, the sliding slot, 9, the slot hole, 10, the gas delivery hole, 11, the connecting pipe, 12, the valve, 13, the movable block, 14, the support, 15, the sliding block, 16, the recovery pipe, 17, the pipe support. Specific implementation

[0024] The utility model is further explained below in connection with the drawings and examples.

[0025] Please refer to Figures 1-7 The utility model provides a kind of example: air supply device for steel plate galvanization, including box body 1 and air blower 2, further including air pipe 4, air grid 5, connecting pipe 11 and movable block 13, the upper and lower ends inner wall of box body 1 is equipped with seven groups of groove 7 that are distributed equidistantly left and right, groove 7 is installed with air grid 5, the air inlet hole of air grid 5 is installed with connecting pipe 11, valve 12 is installed at the junction of connecting pipe 11 and air grid 5, the right end of box body 1 is installed with air blower 2, the air outlet end of air blower 2 is flush with the rear end of box body 1, the air outlet end of air blower 2 is equipped with upper and lower two groups of gas delivery hole 10, gas delivery hole 10 is installed with air pipe 4, one end of connecting pipe 11 is connected with air pipe 4, the rear end inner wall of box body 1 is equipped with upper and lower two groups of sliding slot 8, the inner wall of box body 1 is provided with left and right two groups of movable block 13, the rear end of movable block 13 is fixedly connected with sliding block 15, sliding block 15 is adapted with sliding slot 8, the front end of movable block 13 is fixedly connected with support 14.

[0026] Through the air grid 5 installed in seven groups of groove 7, the upper and lower two sides of the steel plate can be uniformly cooled, the valve 12 can control the air inlet state of the air grid 5, and a proper number of air grids 5 can be closed or opened according to the area of the steel plate. Then, the sliding block 15 can slide left and right in the sliding slot 8, the distance between the left and right two supports 14 can be adjusted, the steel plate can be fixed and supported, and the stability of the fixed steel plate can be ensured when facing different areas of the steel plate.

[0027] Please refer to Figures 2-3In the embodiment, the left end inner wall of the box body 1 is provided with symmetrically left and right slots 9, the left end of the box body 1 is provided with the backdraft fan 3, the air outlet of the backdraft fan 3 is located outside the box body 1, in use, the slots 9 can connect the backdraft fan 3 and the internal space of the box body 1, and provide installation space for the recovery pipe 16, the air inlet of the backdraft fan 3 is provided with the recovery pipe 16, the right end of the recovery pipe 16 is flush with the right end inner wall of the box body 1 through the slots 9, in use, the recovery pipe 16 can recover the heat of the box body 1, and further improve the heat dissipation efficiency of the steel plate in the box body 1.

[0028] Referring to Figures 3-5 In the embodiment, the outer wall of the recovery pipe 16 is attached to the inner wall of the slots 9, and the upper and lower groups of air grates 5 correspond to each other, in use, the corresponding upper and lower groups of air grates 5 can ensure the uniformity of the heat dissipation of the steel plate, and ensure the galvanizing quality of the steel plate, the upper ends of the supports 14 are located at the centers of the upper and lower end inner walls of the box body 1, and the ends of the supports 14 away from each other are fixedly connected with the stop blocks, in use, the stop blocks can fix the steel plate, and ensure that the steel plate does not shake during heat dissipation.

[0029] Referring to Figure 7 In the embodiment, the rear end of the box body 1 is fixedly connected with a plurality of pipe racks 17 which are symmetrically upward and downward and equidistantly distributed left and right, the inner wall of the pipe rack 17 is attached to the outer wall of the air pipe 4, in use, the pipe rack 17 can support the air pipe 4, and ensure the stability of the air pipe 4, the front end of the box body 1 is hingedly connected with the box door 6, and the contact surface between the box door 6 and the box body 1 is provided with a sealing rubber strip, in use, the box door 6 and the sealing rubber strip can avoid the hot air from causing harm to workers, and facilitate the backdraft fan 3 to recover the hot air in the box body 1.

[0030] In work, first manually slide the movable blocks 13, adjust the distance between the left and right groups of movable blocks 13 according to the length of the steel plate, then confirm the air grates 5 to be closed according to the positions of the supports 14, manually tighten the corresponding valves 12 of the air grates 5 to be closed, then put the galvanized steel plate into the upper ends of the supports 14, close the box door 6, start the air blower 2 and the backdraft fan 3, adjust the power of the air blower 2 according to the number of the air grates 5, the air blower 2 guides the cooling gas into the air grates 5, the air grates 5 blow the gas uniformly into the surface of the steel plate to cool the steel plate, then the backdraft fan 3 recovers the gas containing heat, so that the steel plate can be quickly cooled, finally, open the box door 6 to take out the steel plate after the cooling of the steel plate is completed.

[0031] Through the above steps, the upper and lower surfaces of the steel plate can be uniformly cooled by the air grating 5 installed in the seven groups of groove bodies 7, the valve 12 can control the air inlet state of the air grating 5, and a proper number of air grating 5 can be closed or opened according to the area of the steel plate, the sliding block 15 can slide left and right in the sliding groove 8, and the spacing of the left and right groups of supports 14 can be adjusted, thereby solving the problem that the air supply device for galvanizing the steel plate is difficult to adjust the air inlet according to the area of the steel plate during use.

[0032] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. An air supply device for galvanizing steel plates, comprising a housing (1) and a blower (2), characterized in that: It also includes air ducts (4), air grilles (5), connecting pipes (11), and movable blocks (13). The inner walls of the upper and lower ends of the housing (1) are provided with seven sets of slots (7) that are equidistantly distributed on the left and right. Air grilles (5) are installed in the slots (7). Connecting pipes (11) are installed in the air inlets of the air grilles (5). Valves (12) are installed at the connection between the connecting pipes (11) and the air grilles (5). A blower (2) is installed at the right end of the housing (1). The air outlet of the blower (2) is flush with the rear end of the housing (1). The blower (2) has two sets of air outlet holes (10) at the air outlet end. Air pipes (4) are installed in the air outlet holes (10). One end of the connecting pipe (11) is connected to the air pipe (4). The inner wall of the rear end of the box (1) has two sets of sliding grooves (8) at the top and bottom. The inner wall of the box (1) has two sets of movable blocks (13) on the left and right. The rear end of the movable block (13) is fixed with a slider (15). The slider (15) is adapted to the sliding groove (8). The front end of the movable block (13) is fixed with a bracket (14).

2. The gas supply device for galvanizing steel plates according to claim 1, characterized in that: The inner wall of the left end of the box (1) is provided with symmetrical slots (9) and a reverse air fan (3) is installed on the left end of the box (1). The air outlet of the reverse air fan (3) is located outside the box (1).

3. The gas supply device for galvanizing steel plates according to claim 2, characterized in that: The air inlet of the reverse air blower (3) is equipped with a recovery pipe (16), and the right end of the recovery pipe (16) passes through the slot (9) and is flush with the inner wall of the right end of the box (1).

4. The gas supply device for galvanizing steel plates according to claim 3, characterized in that: The outer wall of the recovery pipe (16) fits into the inner wall of the slot (9), and the upper and lower sets of air grilles (5) correspond one to one.

5. The gas supply device for galvanizing steel plates according to claim 4, characterized in that: The upper end of the bracket (14) is located at the center of the inner wall of the upper and lower ends of the box (1), and a stop block is fixed to the opposite end of the bracket (14).

6. The gas supply device for galvanizing steel plates according to claim 5, characterized in that: The rear end of the housing (1) is fixed with several pipe racks (17) that are symmetrically arranged vertically and equidistantly on the left and right. The inner wall of the pipe racks (17) is in contact with the outer wall of the air duct (4).

7. The gas supply device for galvanizing steel plates according to claim 6, characterized in that: A door (6) is hinged to the front end of the box (1), and a sealing strip is installed on the contact surface between the door (6) and the box (1).

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