A zinc liquid pump for hot-dip galvanizing with slag discharge function

By designing a hot-dip zinc liquid pump for galvanizing with slag removal function, the separation chamber and slag removal components are used to automatically remove impurities in the zinc liquid, solving the risk of manual impurities and high labor intensity in the prior art, achieving efficient and cleanliness of zinc liquid and improving production safety.

CN119412355BActive Publication Date: 2025-04-25SHANGHAI DONGXIN METALLURGY TECH ENG
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Patent Information

Application Number
CN202510018548.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-04-25
Estimated Expiration
2045-01-07

AI Technical Summary

Technical Problem

During the galvanizing process, the surface of the zinc liquid is prone to accumulate impurities such as zinc ash, zinc slag, etc., and existing zinc liquid pumps cannot remove these impurities, resulting in manual fishing, which makes workers' labor-intensive and dangerous.

Method used

A hot-dip zinc liquid pump for galvanizing with slag discharge function is designed, using a separation chamber and slag discharge assembly. Through the cooperation of the slag filter plate and slag discharge plate, impurities in the zinc liquid are automatically separated and discharged.

Benefits of technology

It realizes the automatic removal of impurities of zinc liquid, improves the cleanliness of zinc liquid, reduces the labor intensity of workers, and improves the safety of production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a zinc liquid pump for hot-dip galvanizing with a slag discharge function, and relates to the technical field of pumping devices, including a pump barrel, a separation chamber is provided at the upper end of the pump barrel, a pump chamber is provided at the lower end of the pump barrel, a zinc extraction port is provided at a position between the separation chamber and the pump chamber, a drive shaft is rotatably connected to the middle of the pump barrel, an impeller is fixedly connected to the position where the drive shaft extends into the pump chamber, a top plate is provided above the pump barrel, and support frames are fixedly connected to the four corners of the lower end surface of the top plate. The present invention can separate impurities such as zinc ash and zinc slag accumulated on the surface of the zinc liquid when pumping the zinc liquid through the separation component, and then automatically discharge these impurities through the slag discharge component, thereby improving the cleanliness of the zinc liquid, effectively solving the problem of suspended impurities, and the collected impurities can be automatically discharged without manual scooping, which not only reduces the labor intensity of workers, but also improves the safety of production.
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Description

Technical Field

[0001] The invention relates to the technical field of pumping devices, in particular to a zinc liquid pump for hot-dip galvanizing with a slag discharge function. Background Art

[0002] Steel materials can easily rust due to corrosion in the air, water or soil, generating loose and porous rust. In order to reduce the corrosion of steel materials, it is generally adopted to coat the steel materials with a coating to prevent rust. Among them, galvanizing on steel materials is widely used. The galvanizing method is to immerse the steel into a galvanizing pot so that the surface of the steel is covered with zinc liquid, and the surface of the strip is covered with zinc liquid to achieve the purpose of corrosion protection.

[0003] During the galvanizing process, a zinc liquid pump is needed to pump the zinc liquid to improve the exchangeability of the zinc liquid inside the zinc pot. For example, the prior art CN210889484U proposes an easy-to-install zinc liquid pump that can extract the zinc liquid and realize the transfer or exchange of the zinc liquid.

[0004] However, during the galvanizing process, zinc ash, zinc slag and other impurities often accumulate on the surface of the zinc liquid, and the zinc liquid pump in the prior art can only extract the zinc liquid but cannot remove the impurities in the zinc liquid. At present, these impurities are generally blocked by a grate and then collected manually using tools. Manual collection is not only labor-intensive for workers, but also causes the zinc pot to be in a high temperature state. Manual collection is also dangerous. In view of the above problems, we provide a zinc liquid pump for hot-dip galvanizing with a slag removal function to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a zinc liquid pump for hot-dip galvanizing with a slag discharge function to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A zinc liquid pump for hot-dip galvanizing with a slag discharge function, comprising a pump barrel, a separation chamber is provided at the upper end of the pump barrel, a pump chamber is provided at the lower end of the pump barrel, a zinc extraction port is provided at a position between the separation chamber and the pump chamber, a drive shaft is rotatably connected to the middle of the pump barrel, an impeller is fixedly connected to the position where the drive shaft extends into the pump chamber, a top plate is provided above the pump barrel, four corners of the lower end surface of the top plate are fixedly connected to support frames, the lower end of the support frame is fixedly connected to the pump barrel, the upper end of the drive shaft is rotatably connected to the top plate, and a drive assembly for driving the drive shaft to rotate is also provided on the top plate;

[0008] The lower end of the pump barrel is provided with a zinc discharge port connected to the pump chamber, the upper end of one side of the pump barrel is fixedly connected with an inlet connected to the separation chamber, and the pump barrel is provided with a sealing component for sealing the inlet;

[0009] A separation component for separating impurities in the zinc liquid is provided inside the separation chamber;

[0010] A slag discharge component for discharging impurities is also provided inside the separation chamber.

[0011] As a further solution of the present invention: the driving assembly includes a driving motor, the driving motor is arranged above the driving shaft, both sides of the driving motor are fixedly connected with motor frames, the lower ends of the motor frames are fixedly connected to the top plate, and the output end of the driving motor is connected to the upper end of the driving shaft.

[0012] As a further solution of the present invention: the closing component includes an electric cylinder, which is installed on a support frame above the entrance using a bracket, and the output end of the electric cylinder is connected to an L-shaped extension rod, and the lower end of the L-shaped extension rod is fixedly connected to a closing plate, and the closing plate is slidably connected in the entrance.

[0013] As a further solution of the present invention: the separation component includes a filter residue plate, which is slidably connected inside the separation chamber, and an avoidance hole for avoiding the driving shaft is opened in the middle of the filter residue plate, and side grooves are opened on both sides of the separation chamber, and side slides are slidably connected in the side grooves, and the lower ends of the side slides are fixedly connected to the filter residue plate, and the upper end of the pump barrel is provided with a lifting component for driving the side slide to move up and down.

[0014] As a further solution of the present invention: the lifting assembly includes a horizontal plate, which is fixedly connected to a position between the upper ends of the side slides, and a central circular hole is opened in the middle of the horizontal plate to avoid the driving shaft. Threaded rods are rotatably connected to both sides of the upper end surface of the pump barrel, and the upper ends of the threaded rods are rotatably connected to the top plate. The threaded rods are threadedly connected to the horizontal plate, and the upper ends of the threaded rods are connected to the shaft heads with synchronous pulleys, and a synchronous belt is installed between the two synchronous pulleys. A transmission assembly for transmission is provided between the threaded rod and the driving shaft.

[0015] As a further solution of the present invention: the transmission assembly includes a bearing seat, the bearing seat is fixedly connected to a position on one side of the motor frame, a connecting short shaft is rotatably connected inside the bearing seat, a first gear is fixedly connected to the upper end of the connecting short shaft, a second gear is fixedly connected to the upper end of the driving shaft, the first gear is meshed with the second gear, an electromagnetic clutch is also installed on the bearing seat using a bracket, and the opposite ends of the connecting short shaft and the threaded rod are respectively installed in two interfaces of the electromagnetic clutch.

[0016] As a further solution of the present invention: the gap between the inner wall of the avoidance hole and the outer wall of the drive shaft is 0.1-0.5mm.

[0017] As a further solution of the present invention: the slag discharge assembly includes a slag discharge plate, which is fixedly connected to the driving shaft at the upper end of the separation chamber. The upper end of the pump barrel is also fixedly connected to a slag discharge pipe, and the slag discharge pipe is arranged in the tangential direction of the pump barrel.

[0018] As a further solution of the present invention: the outlet of the slag discharge pipe is arranged to be inclined downward.

[0019] As a further solution of the present invention: a mounting seat is fixedly connected between the support frames, and the mounting seat is provided with a mounting hole.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention can separate impurities such as zinc ash and zinc slag accumulated on the surface of the zinc liquid when pumping the zinc liquid through the separation component, and then automatically discharge these impurities through the slag discharge component, thereby improving the cleanliness of the zinc liquid and effectively solving the problem of suspended impurities. The collected impurities can be automatically discharged without manual scooping, which not only reduces the labor intensity of workers but also improves the safety of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention.

[0023] Figure 2 It is a structural schematic diagram of the other side of the present invention.

[0024] Figure 3 It is a schematic diagram of the local structure of the present invention.

[0025] Figure 4 It is a schematic diagram of the internal structure of the pump barrel in the present invention.

[0026] Figure 5 It is a structural schematic diagram of the transmission component in the present invention.

[0027] Among them: 1. Pump barrel; 2. Inlet; 3. Electric cylinder; 4. Drive shaft; 5. Side slide; 6. Top plate; 7. Drive motor; 8. Motor frame; 9. Support stand; 10. Mounting seat; 11. Threaded rod; 12. Slag discharge pipe; 13. Zinc discharge port; 14. Horizontal plate; 15. Closing plate; 16. Connecting short shaft; 17. First gear; 18. Bearing seat; 19. Electromagnetic clutch; 20. Second gear; 21. Synchronous pulley; 22. Synchronous belt; 23. Slag discharge plate; 24. Side groove; 25. Avoidance hole; 26. Filter plate; 27. Zinc extraction port; 28. Pump chamber; 29. ​​Impeller; 30. Separation chamber; 31. L-shaped extension rod; 32. Center circular hole. DETAILED DESCRIPTION

[0028] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 5 In an embodiment of the present invention, a zinc liquid pump for hot-dip galvanizing with a slag discharge function includes a pump barrel 1, a separation chamber 30 is provided at the upper end of the pump barrel 1, a pump chamber 28 is provided at the lower end of the pump barrel 1, a zinc extraction port 27 is provided at a position between the separation chamber 30 and the pump chamber 28, a drive shaft 4 is rotatably connected to the middle of the pump barrel 1, an impeller 29 is fixedly connected to the position where the drive shaft 4 extends into the pump chamber 28, a top plate 6 is provided above the pump barrel 1, and four corners of the lower end surface of the top plate 6 are fixedly connected to a support frame 9, and the lower end of the support frame 9 is connected to the pump barrel 1. The pump barrel 1 is fixedly connected, and the upper end of the drive shaft 4 is rotatably connected to the top plate 6. The top plate 6 is also provided with a drive assembly for driving the drive shaft 4 to rotate; a mounting seat 10 is also fixedly connected between the support frames 9, and the mounting seats 10 are provided with mounting holes; when working, the drive assembly drives the drive shaft 4 to rotate, and the rotation of the drive shaft 4 drives the impeller 29 in the pump chamber 28 to rotate. The rotation of the impeller 29 can suck the zinc liquid from the zinc extraction port 27, and then discharge it from the zinc discharge port 13, thereby realizing the pumping of the zinc liquid. At the same time, the provided mounting seat 10 can be easily installed.

[0030] The driving assembly includes a driving motor 7, which is arranged above the driving shaft 4. Motor frames 8 are fixedly connected to both sides of the driving motor 7. The lower ends of the motor frames 8 are fixedly connected to the top plate 6, and the output end of the driving motor 7 is connected to the upper end of the driving shaft 4. When driving, the driving motor 7 can drive the driving shaft 4 to rotate when it is running, and the motor frame 8 can support the driving motor 7.

[0031] The lower end of the pump barrel 1 is provided with a zinc discharge port 13 connected to the pump chamber 28, and the upper end of one side of the pump barrel 1 is fixedly connected with an inlet 2 connected to the separation chamber 30. The pump barrel 1 is provided with a closing component for closing the inlet 2; the closing component includes an electric cylinder 3, and the electric cylinder 3 is mounted on the support frame 9 at a position above the inlet 2 by a bracket, and the output end of the electric cylinder 3 is connected to an L-shaped extension rod 31, and the lower end of the L-shaped extension rod 31 is fixedly connected to a closing plate 15, and the closing plate 15 is slidably connected in the inlet 2; when in use, the L-shaped extension rod 31 can be driven to move by the electric cylinder 3, and the movement of the L-shaped extension rod 31 can drive the closing plate 15 to move accordingly, thereby realizing the opening or closing of the inlet 2.

[0032] The separation chamber 30 is provided with a separation assembly for separating impurities in the zinc liquid; the separation assembly includes a filter residue plate 26, which is slidably connected to the separation chamber 30, and a bypass hole 25 for bypassing the drive shaft 4 is provided in the middle of the filter residue plate 26, and side grooves 24 are provided on both sides of the separation chamber 30, and side slides 5 are slidably connected in the side grooves 24, and the lower ends of the side slides 5 are fixedly connected to the filter residue plate 26, and the upper end of the pump barrel 1 is provided with a lifting assembly for driving the side slide 5 to move up and down; the gap between the inner wall of the bypass hole 25 and the outer wall of the drive shaft 4 is 0.1-0.5mm; during operation, the zinc liquid enters the zinc extraction port 27 through the filter residue plate 26, and when passing through the filter residue plate 26, the filter residue plate 26 can intercept impurities, and the lifting assembly provided at the same time can lift the filter residue plate 26 to the top of the pump barrel 1 when it is necessary to discharge the intercepted impurities, and then cooperate with the slag discharge assembly to discharge the impurities.

[0033] The lifting assembly includes a transverse plate 14, which is fixedly connected to a position between the upper ends of the side slides 5, and a central circular hole 32 is opened in the middle of the transverse plate 14 to avoid the drive shaft 4. Threaded rods 11 are rotatably connected to both sides of the upper end surface of the pump barrel 1, and the upper ends of the threaded rods 11 are rotatably connected to the top plate 6. The threaded rods 11 are threadedly connected to the transverse plate 14, and the upper end connecting shaft heads of the threaded rods 11 are installed with synchronous pulleys 21, and a synchronous belt 22 is installed between the two synchronous pulleys 21. A transmission assembly for transmission is provided between the threaded rods 11 and the drive shaft 4; when working, the transmission assembly transmits power to the threaded rods 11 on one side, and then the two threaded rods 11 can be rotated synchronously through the set synchronous pulleys 21 and synchronous belts 22, and the rotation of the two threaded rods 11 can drive the transverse plate 14 to perform corresponding movements, and the movement of the transverse plate 14 can drive the side slide 5 to move, and the movement of the side slide 5 can drive the filter residue plate 26 to perform corresponding lifting.

[0034] The transmission assembly includes a bearing seat 18, which is fixedly connected to a position on one side of the motor frame 8. A connecting short shaft 16 is rotatably connected inside the bearing seat 18, and a first gear 17 is fixedly connected to the upper end of the connecting short shaft 16. A second gear 20 is fixedly connected to the upper end of the driving shaft 4, and the first gear 17 is meshed with the second gear 20. An electromagnetic clutch 19 is also installed on the bearing seat 18 using a bracket, and the opposite ends of the connecting short shaft 16 and the threaded rod 11 are respectively installed in two interfaces of the electromagnetic clutch 19; the electromagnetic clutch 19 can control the power connection or disconnection between the threaded rod 11 and the connecting short shaft 16. When the cross plate 14 needs to be lifted or lowered, the connecting short shaft 16 is connected to the threaded rod 11 when the electromagnetic clutch 19 is actuated, and then the second gear 20 can drive the first gear 17 to rotate, and the rotation of the first gear 17 can drive the connecting short shaft 16 to rotate, and the rotation of the connecting short shaft 16 can drive the threaded rod 11 to rotate, and when the cross plate 14 does not need to be lifted or lowered, the electromagnetic clutch 19 disconnects the connection between the connecting short shaft 16 and the threaded rod 11.

[0035] A slag discharge assembly for discharging impurities is also provided inside the separation chamber 30; the slag discharge assembly includes a slag discharge plate 23, which is fixedly connected to the driving shaft 4 at the upper end of the separation chamber 30, and a slag discharge pipe 12 is also fixedly connected to the upper end of the pump barrel 1, and the slag discharge pipe 12 is arranged in the tangential direction of the pump barrel 1; the outlet of the slag discharge pipe 12 is inclined downward; during slag discharge, the filter plate 26 rises to push the separated impurities upward, and then the high-speed rotating slag discharge plate 23 will throw the impurities out of the slag discharge pipe 12, thereby realizing the slag discharge work.

[0036] The working principle of the present invention is: when working, the pump barrel 1 is placed in the zinc liquid, and then the required pipeline is connected to the zinc discharge port 13. When the pump barrel 1 is arranged, the zinc liquid level is placed in the middle of the inlet 2, and then the slag discharge pipe 12 is placed outside the zinc pot. When zinc is pumped, the drive motor 7 starts to drive the drive shaft 4 to rotate, and the rotation of the drive shaft 4 drives the impeller 29 in the pump chamber 28 to rotate. The rotation of the impeller 29 can suck the zinc liquid in the separation chamber 30 from the zinc extraction port 27, and then discharge it from the zinc discharge port 13, thereby realizing the pumping of the zinc liquid. During the pumping process, the zinc liquid enters the zinc extraction port 27 through the filter slag plate 26. When passing through the filter slag plate 26, the filter slag plate 26 can intercept impurities. When slag discharge is required, the electric cylinder 3 First, push the L-shaped extension rod 31 and the closing plate 15 downward to close the entrance 2. Then, when the electromagnetic clutch 19 is actuated, the connecting short shaft 16 is connected to the threaded rod 11. Then, the second gear 20 can drive the first gear 17 to rotate. The rotation of the first gear 17 can drive the connecting short shaft 16 to rotate. The rotation of the connecting short shaft 16 can drive the threaded rod 11 to rotate. The rotation of the two threaded rods 11 can drive the cross plate 14 to move accordingly. The movement of the cross plate 14 can drive the side slide 5 to move. The movement of the side slide 5 can drive the filter plate 26 to rise and fall accordingly. The filter plate 26 rises to push the separated impurities upward. Then, the high-speed rotating slag discharge plate 23 will throw the impurities out of the slag discharge pipe 12, thereby realizing the slag discharge work.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although this specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A zinc liquid pump for hot-dip galvanizing with a slag removal function, comprising a pump barrel (1), characterized in that: A separation chamber (30) is provided at the upper end of the pump barrel (1), a pump chamber (28) is provided at the lower end of the pump barrel (1), a zinc extraction port (27) is provided in the pump barrel (1) at a position between the separation chamber (30) and the pump chamber (28), a drive shaft (4) is rotatably connected to the middle of the pump barrel (1), an impeller (29) is fixedly connected to the position where the drive shaft (4) extends into the pump chamber (28), a top plate (6) is provided above the pump barrel (1), four corners of the lower end surface of the top plate (6) are fixedly connected to support frames (9), the lower end of the support frame (9) is fixedly connected to the pump barrel (1), the upper end of the drive shaft (4) is rotatably connected to the top plate (6), and a drive assembly for driving the drive shaft (4) to rotate is also provided on the top plate (6); The lower end of the pump barrel (1) is provided with a zinc discharge port (13) communicating with the pump chamber (28); the upper end of one side of the pump barrel (1) is fixedly connected with an inlet port (2) communicating with the separation chamber (30); and the pump barrel (1) is provided with a sealing component for sealing the inlet port (2); A separation component for separating impurities in the zinc liquid is provided inside the separation chamber (30); A slag discharge component for discharging impurities is also provided inside the separation chamber (30); The separation component comprises a filter plate (26), the filter plate (26) being slidably connected inside the separation chamber (30), an avoidance hole (25) for avoiding the drive shaft (4) being provided in the middle of the filter plate (26), side grooves (24) being provided on both sides inside the separation chamber (30), side slide frames (5) being slidably connected inside the side grooves (24), the lower ends of the side slide frames (5) being fixedly connected to the filter plate (26), and a lifting component for driving the side slide frames (5) to move up and down is provided at the upper end of the pump barrel (1); The lifting assembly comprises a transverse plate (14), the transverse plate (14) being fixedly connected to a position between the upper ends of the side slides (5), a central circular hole (32) for avoiding the drive shaft (4) being opened in the middle of the transverse plate (14), threaded rods (11) being rotatably connected to both sides of the upper end surface of the pump barrel (1), the upper end of the threaded rod (11) being rotatably connected to the top plate (6), the threaded rod (11) being threadedly connected to the transverse plate (14), the upper end of the threaded rod (11) being connected to the shaft head with a synchronous pulley (21), a synchronous belt (22) being installed between the two synchronous pulleys (21), and a transmission assembly for transmission being provided between the threaded rod (11) and the drive shaft (4); The slag discharge assembly comprises a slag discharge plate (23), the slag discharge plate (23) being fixedly connected to a position of the drive shaft (4) located at the upper end of the separation chamber (30), and the upper end of the pump barrel (1) is also fixedly connected to a slag discharge pipe (12), the slag discharge pipe (12) being arranged in a tangential direction of the pump barrel (1).

2. A zinc liquid pump for hot dip galvanizing with slag discharge function according to claim 1, characterized in that: The drive assembly comprises a drive motor (7), the drive motor (7) being arranged above the drive shaft (4), the two sides of the drive motor (7) being fixedly connected to motor frames (8), the lower ends of the motor frames (8) being fixedly connected to the top plate (6), and the output end of the drive motor (7) being connected to the upper end of the drive shaft (4).

3. The zinc liquid pump for hot dip galvanizing with slag discharge function according to claim 1, characterized in that: The sealing component comprises an electric cylinder (3), the electric cylinder (3) being mounted on a support stand (9) at a position above the entrance (2) by means of a bracket, the output end of the electric cylinder (3) being connected to an L-shaped extension rod (31), the lower end of the L-shaped extension rod (31) being fixedly connected to a sealing plate (15), and the sealing plate (15) being slidably connected in the entrance (2).

4. The zinc liquid pump for hot dip galvanizing with slag discharge function according to claim 1, characterized in that: The transmission assembly comprises a bearing seat (18), the bearing seat (18) being fixedly connected to a position on one side of the motor frame (8), a connecting short shaft (16) being rotatably connected inside the bearing seat (18), a first gear (17) being fixedly connected to the upper end of the connecting short shaft (16), a second gear (20) being fixedly connected to the upper end of the driving shaft (4), the first gear (17) being meshed with the second gear (20), an electromagnetic clutch (19) being mounted on the bearing seat (18) by a bracket, and opposite ends of the connecting short shaft (16) and the threaded rod (11) being respectively mounted in two interfaces of the electromagnetic clutch (19).

5. The zinc liquid pump for hot dip galvanizing with slag discharge function according to claim 1, characterized in that: The gap between the inner wall of the avoidance hole (25) and the outer wall of the drive shaft (4) is 0.1-0.5 mm.

6. The zinc liquid pump for hot dip galvanizing with slag discharge function according to claim 1, characterized in that: The outlet portion of the slag discharge pipe (12) is arranged to be inclined downward.

7. The zinc liquid pump for hot dip galvanizing with slag discharge function according to claim 1, characterized in that: A mounting seat (10) is also fixedly connected between the supporting frames (9), and each mounting seat (10) is provided with a mounting hole.

Citation Information

Patent Citations

  • Zinc liquid pump convenient to install

    CN210889484U

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    CN112576517A

  • Self-cleaning wear-resistant and corrosion-resistant mining water pump and cleaning assembly and cleaning method thereof

    CN116221168A

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