CN218026273U - Steel wire normalizing treatment cooling device - Google Patents
Steel wire normalizing treatment cooling device Download PDFInfo
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- CN218026273U CN218026273U CN202221849321.5U CN202221849321U CN218026273U CN 218026273 U CN218026273 U CN 218026273U CN 202221849321 U CN202221849321 U CN 202221849321U CN 218026273 U CN218026273 U CN 218026273U
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Abstract
The utility model relates to a steel wire thermal treatment technical field especially relates to steel wire normalizing treatment cooling device. Comprises a cooling water tank, a water pipe frame, a U-shaped coil pipe, a water inlet pipe, a water outlet pipe and an air inlet pipe; the cooling water tank is provided with a U-shaped groove, the water pipe frame is fixedly connected in the U-shaped groove, and the bottom surface of the water pipe frame and the bottom surface of the U-shaped groove form a steel wire operation area; the U-shaped coil is fixedly connected to the water pipe frame, one end of the U-shaped coil is connected with the water inlet pipe, the other end of the U-shaped coil is connected with the water outlet pipe, the water inlet pipe and the water outlet pipe are connected with the cooling water tank, and the water inlet pipe is lower than the water outlet pipe; one end of the air inlet pipe extends into the U-shaped groove, and the other end of the air inlet pipe is connected with the nitrogen pipeline. After the steel wire is discharged from the austenitizing furnace, the normalizing cooling speed of the steel wire is accelerated, the supercooling degree of the steel wire during cooling is reduced, the cooling speeds of the surface and the core of the steel wire tend to be consistent, the strength and the hardness of the steel wire are further increased, and the formation of iron oxide scales on the surface of the steel wire is reduced.
Description
Technical Field
The utility model relates to a steel wire heat treatment technical field especially relates to steel wire normalizing treatment cooling device.
Background
With the development of times, the use of the steel wire rope is more and more extensive. The steel wire rope has wide application in a plurality of fields such as elevators, automobiles, medical treatment, fishing, tower cranes, well drilling and the like, and the steel wire rope has increasingly strict product requirements as an important consumable product.
Steel wire ropes are produced through a plurality of steps: including drawing of the stock, heat treatment, surface treatment, and twisting of the finished product, among others. The heat treatment of the steel wire is taken as a key process in each process, and has decisive influence on the strength, toughness and other properties of the finished steel wire rope. The traditional heat treatment scheme of the steel wire is generally lead bath isothermal quenching treatment, and the obtained sorbite structure can have better surface reduction rate during the subsequent wire drawing deformation, so that the wire breakage caused by the work hardening phenomenon generated in the drawing process is avoided.
In recent years, due to the increasing requirement of environmental protection, more and more customers have requirements on the lead content of the surface of the steel wire, so that a new heat treatment mode needs to be used to replace the traditional lead bath heat treatment.
In the normalizing treatment of the coarse-gauge steel wire, the surface supercooling degree is large, and a fine pearlite structure with high strength and hardness is formed, while the core part forms a coarse pearlite structure with low strength and hardness due to high temperature and low cooling speed. The cooling speed during air cooling can be increased after the steel wire is discharged from the austenitizing furnace to solve the problems, so that a steel wire normalizing treatment cooling device is urgently needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a steel wire normalizing treatment cooling device. After the steel wire is discharged from the austenitizing furnace, the normalizing cooling speed of the steel wire is accelerated, the supercooling degree of the steel wire during cooling is reduced, the cooling speeds of the surface and the core of the steel wire tend to be consistent, the strength and the hardness of the steel wire are further increased, and the formation of iron oxide scales on the surface of the steel wire is reduced.
The steel wire normalizing treatment cooling device comprises a cooling water tank, a water pipe frame, a U-shaped coil pipe, a water inlet pipe, a water outlet pipe and an air inlet pipe; the cooling water tank is provided with a U-shaped groove, the water pipe frame is fixedly connected in the U-shaped groove, and the bottom surface of the water pipe frame and the bottom surface of the U-shaped groove form a steel wire operation area; the U-shaped coil is fixedly connected to the water pipe frame, one end of the U-shaped coil is connected with the water inlet pipe, the other end of the U-shaped coil is connected with the water outlet pipe, the water inlet pipe and the water outlet pipe are connected with the cooling water tank, and the water inlet pipe is lower than the water outlet pipe; one end of the air inlet pipe extends into the U-shaped groove, and the other end of the air inlet pipe is connected with the nitrogen pipeline.
The cooling water tank is fixedly connected to the frame.
The walking device also comprises walking wheels, and the walking wheels are arranged at the bottom of the frame.
The water tank heater is arranged in the cooling water tank.
The water pump is characterized by further comprising a booster pump, and the booster pump is arranged on the water inlet pipe or the water outlet pipe.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the setting is after the steel wire goes out the austenitizing stove, when the steel wire goes out the austenitizing stove air cooling promptly, at steel wire top tiling U-shaped coil pipe, let in mobile cooling water in the pipeline for steel wire normalizing cooling rate, the super-cooled rate when reducing the steel wire cooling makes steel wire surface and core cooling rate tend to unanimity, and then increases the intensity hardness of steel wire, let in nitrogen gas simultaneously in the steel wire running zone, reduce the steel wire and go out the probability of stove back and oxygen direct contact, reduce the formation of steel wire surface iron scale.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic plan view of the present invention.
In the figure: 1-cooling water tank, 2-water pipe frame, 3-U-shaped coil pipe, 4-water inlet pipe, 5-water outlet pipe, 6-air inlet pipe, 7-frame, 8-running wheel, 9-water tank heater, 10-booster pump, 11-U-shaped groove, 12-nitrogen pipeline, 13-steel wire and 14-steel wire running zone.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and 2, the steel wire normalizing treatment cooling device comprises a cooling water tank 1, a water pipe frame 2, a U-shaped coil pipe 3, a water inlet pipe 4, a water outlet pipe 5, an air inlet pipe 6, a frame 7, a traveling wheel 8, a water tank heater 9 and a booster pump 10.
The bottom of the cooling water tank 1 is fixedly connected to the frame 7, and the traveling wheels 8 are arranged at the bottom of the frame 7.
The water tank heater 9 is installed in the cooling water tank 1, and the water tank heater 9 is current product, takes earth leakage protection and control by temperature change timing controller, and its heating pipe soaks in cooling water tank 1 liquid, sets for the constant temperature, reaches the predetermined temperature outage, is less than the predetermined temperature ohmic heating once more, appears electric leakage phenomenon, auto-power-off. The water tank heater 9 can heat the cooling water in the cooling water tank 1, and can avoid freezing of the cooling water in the water tank caused by low temperature in winter.
The top of the cooling water tank 1 is provided with U-shaped grooves 11, and the water pipe frames 2 are horizontal supports formed by welding a plurality of rows and a plurality of columns in a transverse and longitudinal staggered manner. The U-shaped coil 3 is tiled on the water pipe frame 2, and the U-shaped coil 3 is a coil pipe with U-shaped ends. The bottom surface of the water pipe frame 2 and the bottom surface of the U-shaped groove 11 form a steel wire running area 14.
One end of the U-shaped coil pipe 3 is connected with a water inlet pipe 4, the other end of the U-shaped coil pipe is connected with a water outlet pipe 5, the water inlet pipe 4 and the water outlet pipe 5 are connected with the cooling water tank 1, and the water inlet pipe 4 is lower than the water outlet pipe 5. One end of the air inlet pipe 4 extends into the U-shaped groove 11, and the other end is connected with the nitrogen pipeline 12. The booster pump 10 is installed on the water outlet pipe 5, and the booster pump 10 can accelerate the flow rate of the cold water.
The utility model discloses the setting is after 13 austenitizing stoves of steel wire, when 13 cold air coolings of austenitizing stoves of steel wire are promptly, in 13 top tiling U-shaped coil 3 of steel wire, let in the cooling water that flows in the pipeline, accelerate steel wire normalizing cooling rate, the super-cooled rate when reducing 13 coolings of steel wire, make 13 surfaces of steel wire and core cooling rate tend to unanimity, and then increase 13 the strength hardness of steel wire, let in nitrogen gas at 14 in the steel wire operation district simultaneously, reduce the probability with oxygen direct contact after the steel wire goes out the stove, reduce the formation of steel wire surface iron scale.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. Steel wire normalizing treatment cooling device, its characterized in that: comprises a cooling water tank, a water pipe frame, a U-shaped coil pipe, a water inlet pipe, a water outlet pipe and an air inlet pipe; the cooling water tank is provided with a U-shaped groove, the water pipe frame is fixedly connected in the U-shaped groove, and the bottom surface of the water pipe frame and the bottom surface of the U-shaped groove form a steel wire operation area; the U-shaped coil is fixedly connected to the water pipe frame, one end of the U-shaped coil is connected with the water inlet pipe, the other end of the U-shaped coil is connected with the water outlet pipe, the water inlet pipe and the water outlet pipe are connected with the cooling water tank, and the water inlet pipe is lower than the water outlet pipe; one end of the air inlet pipe extends into the U-shaped groove, and the other end of the air inlet pipe is connected with the nitrogen pipeline.
2. The steel wire normalizing treatment cooling device according to claim 1, wherein: the cooling water tank is fixedly connected to the frame.
3. The steel wire normalizing treatment cooling device according to claim 2, wherein: the walking device also comprises walking wheels, and the walking wheels are arranged at the bottom of the frame.
4. The steel wire normalizing treatment cooling device according to claim 1, wherein: the water tank heater is arranged in the cooling water tank.
5. The steel wire normalizing treatment cooling device according to claim 1, wherein: the water pump is characterized by further comprising a booster pump, and the booster pump is arranged on the water inlet pipe or the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221849321.5U CN218026273U (en) | 2022-07-18 | 2022-07-18 | Steel wire normalizing treatment cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221849321.5U CN218026273U (en) | 2022-07-18 | 2022-07-18 | Steel wire normalizing treatment cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218026273U true CN218026273U (en) | 2022-12-13 |
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ID=84384096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221849321.5U Active CN218026273U (en) | 2022-07-18 | 2022-07-18 | Steel wire normalizing treatment cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218026273U (en) |
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2022
- 2022-07-18 CN CN202221849321.5U patent/CN218026273U/en active Active
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