Cooling equipment for manufacturing anti-corrosion steel pipe and cooling method thereof

Abstract

The invention discloses cooling equipment for manufacturing an anti-corrosion steel pipe and a cooling method thereof.The cooling equipment comprises a workbench, a water collecting assembly is fixedly installed in the center of the top of the workbench, a fixing frame is fixedly installed at one end of the top of the workbench, a conveying assembly is fixedly installed at the other end of the top of the workbench, and a cooling pipeline assembly is arranged above the conveying assembly; the cooling equipment comprises a pipeline assembly, a plurality of spraying cooling assemblies are installed in the middle of the pipeline assembly, a control assembly is fixedly installed at the top of the pipeline assembly, and one end of a collecting assembly fixedly communicates with a recycling assembly. The water flow can be crushed into finer and more uniform vaporific water particles under the assistance of gas, so that the impact on an anticorrosive coating which is not completely cured can be reduced; and through the water collecting assembly and the recycling assembly, water used after cooling can be collected and utilized, the waste water discharge amount can be reduced through collection and utilization, and consumption of water resources can be remarkably reduced.

Description

Technical Field

[0001] This invention relates to the field of anti-corrosion steel pipe technology, specifically to a cooling device and cooling method for manufacturing anti-corrosion steel pipes. Background Technology

[0002] Cooling equipment in the manufacture of anti-corrosion steel pipes is a specialized device used to rapidly and uniformly reduce the temperature of the steel pipe and the anti-corrosion layer after the anti-corrosion layer is coated (such as 3PE / 3PP anti-corrosion, epoxy powder anti-corrosion, etc.), allowing it to solidify and stabilize its performance. Its core function is to control the cooling rate, preventing defects such as cracking and blistering of the anti-corrosion layer due to excessive temperature differences, while simultaneously improving production efficiency. Existing cooling equipment for manufacturing anti-corrosion steel pipes typically consists of a cooling section, a guiding section, and auxiliary systems.

[0003] Existing cooling equipment for manufacturing anti-corrosion steel pipes mostly cools the pipes by directly flushing them with water. However, when water flows directly over the surface of the pipe, fluctuations in water pressure or unstable rotation speed can easily cause localized excessively rapid cooling, leading to micro-cracks or delamination of the anti-corrosion layer due to uneven thermal expansion and contraction. This affects the anti-corrosion sealing performance. Furthermore, cooling requires a large amount of water, resulting in excessive water consumption in existing anti-corrosion steel pipe manufacturing equipment to ensure cooling effectiveness.

[0004] Therefore, there is a need to provide a cooling device and a cooling method for manufacturing anti-corrosion steel pipes. Summary of the Invention

[0005] The purpose of this invention is to provide a cooling device and cooling method for manufacturing anti-corrosion steel pipes, in order to solve the problems mentioned in the background art. Existing cooling devices for manufacturing anti-corrosion steel pipes mostly cool the steel pipes by directly flushing them with water. However, when the water flows directly onto the surface of the steel pipe, the water pressure fluctuates or the rotation speed of the steel pipe is unstable, which can easily cause localized excessively fast cooling. This can lead to micro-cracks or delamination of the anti-corrosion layer due to uneven thermal expansion and contraction, affecting the anti-corrosion sealing performance. In addition, cooling requires a large amount of water, and existing cooling devices for manufacturing anti-corrosion steel pipes consume too much water to ensure the cooling effect.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cooling device and cooling method for manufacturing anti-corrosion steel pipes, comprising a workbench, a water collection component fixedly installed at the center of the top of the workbench, a fixed frame fixedly installed at one end of the top of the workbench, a plurality of mounting seats fixedly installed at equal intervals on the top of the fixed frame, auxiliary wheels rotatably installed inside the mounting seats, a conveying component fixedly installed at the other end of the top of the workbench, a cooling pipeline component arranged above the conveying component, a plurality of spray cooling components installed in the middle of the pipeline component, a control component fixedly installed on the top of the pipeline component, and a recovery component fixedly connected to one end of the collection component.

[0007] Preferably, a control panel is fixedly installed at one corner of the top of the workbench, and a transmission switch and a water pumping switch are fixedly installed on the surface of the control panel in sequence.

[0008] Preferably, the conveying assembly includes two fixed plates, both of which are fixedly installed on the top of the workbench. A rotating shaft is rotatably installed between the two fixed plates. Multiple output rollers are fixedly installed at equal intervals on the outer side of the rotating shaft. An output motor is fixedly connected to one end of the rotating shaft, and the output motor is fixedly installed on the outside of one of the fixed plates.

[0009] Preferably, the cooling pipeline assembly includes a gas delivery pipe and a water delivery pipe, with fixing blocks fixedly installed at both ends of the gas delivery pipe and the water delivery pipe, and infrared sensors fixedly installed at the bottom of both fixing blocks.

[0010] Preferably, the spray cooling component includes a hollow shell and a water outlet pipe. One end of the water outlet pipe extends into the interior of the water delivery pipe. The hollow shell is fixedly installed at the bottom of the water delivery pipe. A water nozzle is fixedly installed at the other end of the water outlet pipe. A solenoid valve is installed in the middle of the water outlet pipe. Air guide pipes are fixedly connected to both sides of the hollow shell. One end of the air guide pipe extends into the interior of the gas delivery pipe. Multiple high-pressure air outlets are fixedly connected to the inner wall of the hollow shell at equal intervals.

[0011] Preferably, the control component includes a control box, which is fixedly installed on the top of the gas delivery pipe. A signal receiver and a circuit board are fixedly installed inside the control box. A logic operation module and a controller are sequentially installed on the surface of the circuit board. Water is supplied only when the steel pipe is in the cooling position, which directly reduces the cost of fresh water replenishment and circulating water treatment, while reducing wastewater discharge.

[0012] Preferably, the water collection assembly includes a water collection tank, which is fixedly installed on the upper part of the workbench. The water collection tank has a water guiding slope inside and a water outlet at the bottom.

[0013] Preferably, the recycling component includes a connecting pipe, one end of which is fixedly connected to a water outlet, and the other end of which is fixedly connected to a filter box. One end of the filter box is fixedly connected to a pumping pipe, one end of the pumping pipe is fixedly connected to a water pump, the outlet of the water pump is fixedly connected to a drain pipe, and one end of the drain pipe is fixedly connected to a water storage tank. The collection and utilization of water resources can realize water resource recycling, meet the requirements of water conservation and emission reduction, and reduce the impact on the environment.

[0014] Preferably, S1, steel pipe rotation conveying: the steel pipe that needs to be cooled is placed between multiple auxiliary rollers and multiple output rollers. The output motor is controlled by the transmission switch on the control panel. The output motor drives the rotating shaft and multiple output rollers to rotate, which in turn makes the steel pipe rotate. Because the auxiliary rollers have an inclined angle, they will drive the steel pipe to be conveyed forward while rotating. S2, Sensing and Cooling: During the conveying process in the steel pipe, its front end is first detected by the infrared sensor on the left, and then continues to be conveyed until its rear end leaves the detection of the infrared sensor on the right. After its front end is detected by the infrared sensor on the left, it transmits a signal to the signal receiver inside the control box. The controller then controls multiple solenoid valves to open, cooling the steel pipe. After the rear end of the steel pipe leaves the detection of the infrared sensor on the right, the controller again controls multiple solenoid valves to close, stopping the water spraying. S3. Collection and Filtration: The water collection tank is located directly below the spray cooling system. After cooling, the water will naturally fall into the inside of the water collection tank and accumulate at the bottom of the tank along the water guide slope. Then, the water pump is started through the control panel to draw the water inside the water collection tank out through the connecting pipe connected to the outlet. After being filtered by the filter box, the water is sent into the storage tank through the drain pipe for storage.

[0015] Preferably, in step S1, one end of the gas delivery pipe is connected to a gas source, and one end of the water delivery pipe is connected to a water source. When the water nozzle sprays water to cool it down, high-pressure gas is blown through multiple high-pressure air outlets to disperse the water flowing out of the water nozzle, creating a mist that cools the steel pipe.

[0016] Compared with the prior art, the beneficial effects of the present invention are: By combining cooling pipeline components with spray cooling components, gas assistance can break the water flow into finer and more uniform mist particles. The mist particles can fully coat the surface of the steel pipe with the airflow, including areas that are difficult to cover by traditional spraying, such as welds and corners. This avoids cracking and delamination of the anti-corrosion layer due to excessive local temperature differences. At the same time, the impact pressure of the mist water flow is much lower than that of the columnar water flow, which can reduce the impact on the incompletely cured anti-corrosion layer and reduce the risk of blistering and coating peeling. Water collection and recycling components can be used to collect and reuse water after cooling, which can reduce wastewater discharge and significantly reduce water consumption. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the cooling device for the anti-corrosion steel pipe of the present invention; Figure 2 This is a top view of the cooling device for the anti-corrosion steel pipe of the present invention; Figure 3This is a front view of the cooling device for the anti-corrosion steel pipe of the present invention; Figure 4 This is a side view of the cooling device for the anti-corrosion steel pipe of the present invention; Figure 5 This is a schematic diagram of the transmission component of the cooling device for the anti-corrosion steel pipe of the present invention; Figure 6 This is a schematic diagram of the water collection assembly of the cooling device for the anti-corrosion steel pipe of the present invention; Figure 7 This is a schematic diagram of the control components of the cooling device for the anti-corrosion steel pipe of the present invention; Figure 8 This is a schematic diagram of the spray cooling component of the cooling equipment for the anti-corrosion steel pipe of the present invention.

[0018] In the diagram: 1. Workbench; 2. Control panel; 3. Water collection tank; 4. Water guide ramp; 5. Water outlet; 6. Fixing plate; 7. Rotating shaft; 8. Output roller; 9. Output motor; 10. Fixing frame; 11. Mounting base; 12. Auxiliary wheel; 13. Gas delivery pipe; 14. Water delivery pipe; 15. Fixing block; 16. Infrared sensor; 17. Hollow shell; 18. Air guide pipe; 19. High-pressure air outlet; 20. Water outlet pipe; 21. Water nozzle; 22. Solenoid valve; 23. Control box; 24. Signal receiver; 25. Circuit board; 26. Logic operation module; 27. Controller; 28. Connecting pipe; 29. ​​Filter box; 30. Pumping pipe; 31. Water pump; 32. Drain pipe; 33. Water storage tank. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] Please see Figures 1-8 This invention provides a cooling device and cooling method for manufacturing anti-corrosion steel pipes, including a workbench 1. A water collection component is fixedly installed at the center of the top of the workbench 1. A fixing frame 10 is fixedly installed at one end of the top of the workbench 1. Multiple mounting seats 11 are fixedly installed at equal intervals on the top of the fixing frame 10. An auxiliary wheel 12 is rotatably installed inside the mounting seat 11. A conveying component is fixedly installed at the other end of the top of the workbench 1. A cooling pipeline component is arranged above the conveying component. Multiple spray cooling components are installed in the middle of the pipeline component. A control component is fixedly installed on the top of the pipeline component. A recycling component is fixedly connected to one end of the collection component.

[0021] Furthermore, a control panel 2 is fixedly installed on one of the corners of the top of the workbench 1. A transmission switch and a water pump switch are fixedly installed on the surface of the control panel 2 in sequence. The transmission switch on the control panel 2 can control the output motor 9 to work, and the water pump switch can control the water pump 31 to work.

[0022] Furthermore, the conveying assembly includes two fixed plates 6, both of which are fixedly mounted on the top of the workbench 1. A rotating shaft 7 is rotatably mounted between the two fixed plates 6. Multiple output rollers 8 are fixedly mounted equidistantly on the outer side of the rotating shaft 7. One end of the rotating shaft 7 is fixedly connected to an output motor 9, which is fixedly mounted on the outside of one of the fixed plates 6. The cooling pipeline assembly includes a gas conveying pipe 13 and a water conveying pipe 14. Fixed blocks 15 are fixedly mounted at both ends of the gas conveying pipe 13 and the water conveying pipe 14. Infrared sensors 16 are fixedly mounted on the bottom of both fixed blocks 15. The spray cooling assembly includes a hollow shell 17 and a water outlet pipe 20. One end of the water outlet pipe 20 extends into the interior of the water conveying pipe 14. The hollow shell 17 is fixedly mounted on the bottom of the water conveying pipe 14. A water nozzle 21 is fixedly installed at the other end, and a solenoid valve 22 is installed in the middle of the water outlet pipe 20. Both sides of the hollow shell 17 are fixedly connected to air guide pipes 18. One end of the air guide pipe 18 extends into the interior of the gas delivery pipe 13. Multiple high-pressure air outlets 19 are fixedly connected at equal intervals on the inner wall of the hollow shell 17. The control components include a control box 23, which is fixedly installed on the top of the gas delivery pipe 13. A signal receiver 24 and a circuit board 25 are fixedly installed inside the control box 23. A logic operation module 26 and a controller 27 are sequentially installed on the surface of the circuit board 25. The auxiliary wheel 12 is installed with an angle. When the output motor 9 is started and drives multiple output rollers 8 to rotate, the steel pipe is moved forward by the oblique friction. Multiple solenoid valves 22 are electrically connected together and can be synchronously controlled to open and close.

[0023] Furthermore, the water collection component includes a water collection tank 3, which is fixedly installed on the upper part of the workbench 1. The water collection tank 3 has a water guiding slope 4 inside, and a water outlet 5 is opened at the bottom of the water collection tank 3. The recycling component includes a connecting pipe 28, one end of which is fixedly connected to the water outlet 5, and the other end of which is fixedly connected to a filter box 29. One end of the filter box 29 is fixedly connected to a pumping pipe 30, and one end of the pumping pipe 30 is fixedly connected to a water pump 31. The outlet end of the water pump 31 is fixedly connected to a drain pipe 32, and one end of the drain pipe 32 is fixedly connected to a water storage tank 33. When the water pump 31 is started, the water filtered by the filter box 29 can be drawn out through the pumping pipe 30 and then transported to the inside of the water storage tank 33 for filtration and collection through the drain pipe 32 at the other end of the water pump 31.

[0024] Furthermore, S1, steel pipe rotation conveying: the steel pipe that needs to be cooled is placed between multiple auxiliary wheels 12 and multiple output rollers 8. The output motor 9 is controlled by the transmission switch on the control panel 2. The output motor 9 drives the rotating shaft 7 and multiple output rollers 8 to rotate, which in turn makes the steel pipe rotate. Because the auxiliary wheels 12 have an inclined angle, they will drive the steel pipe to be conveyed forward while rotating. S2, Sensing and Cooling: During the conveying process in the steel pipe, its front end will first pass through the detection of the infrared sensor 16 on the left side, and then continue to be conveyed until its rear end leaves the detection of the infrared sensor 16 on the right side. After its front end is detected by the infrared sensor 16 on the left side, it will transmit a signal to the signal receiver 24 inside the control box 23. The controller 27 will then control multiple solenoid valves 22 to open, thereby cooling the steel pipe. After the steel pipe continues to be conveyed and its rear end leaves the detection of the infrared sensor 16 on the right side, the controller 27 will again control multiple solenoid valves 22 to close, stopping the water spraying. S3. Collection and Filtration: The water collection tank 3 is located directly below the spray cooling system. After cooling, the water will naturally fall into the water collection tank 3 and then accumulate at the bottom of the water collection tank 3 along the water guide slope 4. Then, the water pump 31 is started through the control panel 2 to draw the water inside the water collection tank 3 out through the connecting pipe 28 connected to the outlet 5. After being filtered by the filter box 29, the water is sent into the water storage tank 33 through the drain pipe 32 for storage.

[0025] Furthermore, in step S2, one end of the gas delivery pipe 13 is connected to a gas source, and one end of the water delivery pipe 14 is connected to a water source. When the water nozzle 21 sprays water to cool it down, high-pressure gas is blown through multiple high-pressure air outlets 19 to disperse the water source flowing out of the water nozzle 21, presenting a mist to cool the steel pipe.

[0026] In this embodiment, during use: the operator uses hoisting equipment to place the steel pipe between multiple auxiliary wheels 12 and the output roller 8. Because the auxiliary wheels 12 have a preset tilt angle, the output motor 9 is started to drive the output roller 8 to rotate clockwise. Combined with the tilting friction of the auxiliary wheels 12, the steel pipe simultaneously rotates and moves forward in a straight line. When the front end of the steel pipe enters the detection range of the left-side infrared sensor 16, the sensor immediately sends a signal to the signal receiver 24 inside the control box 23 indicating the presence of the steel pipe. After processing by the logic operation module 26 of the main circuit board 25, the controller 27 sends a command to open the solenoid valves 22 of all the spray cooling components. After the solenoid valves 22 open, the 20-degree cooling water in the water delivery pipe 14 flows through the outlet pipe 20 to the water nozzle 21. Simultaneously, the compressed air in the gas delivery pipe 13 enters the hollow shell through the air guide pipe 18. 17. High-pressure airflow is sprayed out through the high-pressure air outlet 19 on the inner wall, breaking the columnar water flow from the water nozzle 21 into mist-like water particles, which evenly coat the surface of the steel pipe and cool the steel pipe. When the sensor on the right side of the rear end of the steel pipe detects the absence of the steel pipe, it is transmitted to the signal receiver 24 again. The controller 27 closes all solenoid valves 22 and closes the airflow of the high-pressure air outlet 19 in the corresponding area to avoid ineffective energy consumption when there is no steel pipe. The cooling water after spraying falls into the water collection tank 3 at the top center of the workbench 1, and the water guide slope 4 inside guides the water flow to the bottom and finally concentrates at the water outlet 5. The water pump 31 runs continuously and pumps the water in the water collection tank 3 to the filter box 29 through the connecting pipe 28. The filtered water is sent to the water storage tank 33 through the water pumping pipe 30 and the drain pipe 32 for storage. It can be used again after cooling to 20 degrees.

[0027] All components are general standard parts or components known to those skilled in the art. Their structure and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods. All electrical components mentioned above should be electrically connected in accordance with the working principle described above and the sequence of operation between each electrical component. The detailed connection methods are well-known technologies in the field.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cooling device for manufacturing anti-corrosion steel pipes, comprising a workbench (1), characterized in that: A water collection component is fixedly installed at the center of the top of the workbench (1). A fixed frame (10) is fixedly installed at one end of the top of the workbench (1). Multiple mounting seats (11) are fixedly installed at equal intervals on the top of the fixed frame (10). An auxiliary wheel (12) is rotatably installed inside the mounting seat (11). A conveying component is fixedly installed at the other end of the top of the workbench (1). A cooling pipeline component is provided above the conveying component. Multiple spray cooling components are installed in the middle of the pipeline component. A control component is fixedly installed on the top of the pipeline component. A recycling component is fixedly connected to one end of the water collection component.

2. The cooling equipment for manufacturing anti-corrosion steel pipes according to claim 1, characterized in that: A control panel (2) is fixedly installed on one of the corners of the top of the workbench (1), and a transmission switch and a water pumping switch are fixedly installed on the surface of the control panel (2) in sequence.

3. The cooling equipment for manufacturing anti-corrosion steel pipes according to claim 1, characterized in that: The conveying assembly includes two fixed plates (6), both of which are fixedly installed on the top of the workbench (1). A rotating shaft (7) is rotatably installed between the two fixed plates (6). Multiple output rollers (8) are fixedly installed at equal intervals on the outer side of the rotating shaft (7). An output motor (9) is fixedly connected to one end of the rotating shaft (7). The output motor (9) is fixedly installed on the outside of one of the fixed plates (6).

4. The cooling equipment for manufacturing anti-corrosion steel pipes according to claim 1, characterized in that: The cooling pipeline assembly includes a gas delivery pipe (13) and a water delivery pipe (14). Fixing blocks (15) are fixedly installed at both ends of the gas delivery pipe (13) and the water delivery pipe (14). Infrared sensors (16) are fixedly installed at the bottom of the two fixing blocks (15).

5. The cooling equipment for manufacturing anti-corrosion steel pipes according to claim 4, characterized in that: The spray cooling assembly includes a hollow shell (17) and a water outlet pipe (20). One end of the water outlet pipe (20) extends into the interior of the water delivery pipe (14). The hollow shell (17) is fixedly installed at the bottom of the water delivery pipe (14). A water nozzle (21) is fixedly installed at the other end of the water outlet pipe (20). A solenoid valve (22) is installed in the middle of the water outlet pipe (20). Both sides of the hollow shell (17) are fixedly connected to air guide pipes (18). One end of the air guide pipe (18) extends into the interior of the gas delivery pipe (13). Multiple high-pressure air outlets (19) are fixedly connected at equal intervals on the inner wall of the hollow shell (17).

6. The cooling equipment for manufacturing anti-corrosion steel pipes according to claim 4, characterized in that: The control component includes a control box (23), which is fixedly installed on the top of the gas delivery pipe (13). A signal receiver (24) and a circuit board (25) are fixedly installed inside the control box (23). A logic operation module (26) and a controller (27) are sequentially installed on the surface of the circuit board (25).

7. The cooling equipment for manufacturing anti-corrosion steel pipes according to claim 1, characterized in that: The water collection assembly includes a water collection tank (3), which is fixedly installed on the upper part of the workbench (1). The water collection tank (3) has a water guiding slope (4) inside, and a water outlet (5) is opened at the bottom of the water collection tank (3).

8. The cooling equipment for manufacturing anti-corrosion steel pipes according to claim 7, characterized in that: The recycling component includes a connecting pipe (28), one end of which is fixedly connected to a water outlet (5), and the other end of which is fixedly connected to a filter box (29). One end of the filter box (29) is fixedly connected to a water pump (30), one end of the water pump (30) is fixedly connected to a water pump (31), the outlet of the water pump (31) is fixedly connected to a drain pipe (32), and one end of the drain pipe (32) is fixedly connected to a water storage tank (33).

9. A cooling method for manufacturing anti-corrosion steel pipes according to any one of claims 1-8, comprising the following steps: S1. Steel pipe rotation conveying: The steel pipe that needs to be cooled is placed between multiple auxiliary wheels (12) and multiple output rollers (8). The output motor (9) is controlled by the transmission switch on the control panel (2). The output motor (9) drives the rotating shaft (7) and multiple output rollers (8) to rotate, which in turn makes the steel pipe rotate. Because the auxiliary wheels (12) have an inclined angle, they will drive the steel pipe to be conveyed forward while rotating. S2, Sensing and Cooling: During the transport of the steel pipe, its front end will first pass through the detection of the infrared sensor (16) on the left side, and then continue to be transported until its rear end leaves the detection of the infrared sensor (16) on the right side. After its front end is detected by the infrared sensor (16) on the left side, it will transmit a signal to the signal receiver (24) inside the control box (23). The controller (27) controls multiple solenoid valves (22) to open and cool the steel pipe. After the steel pipe continues to be transported and its rear end leaves the detection of the infrared sensor (16) on the right side, the controller (27) controls multiple solenoid valves (22) to close again and stop spraying water. S3. Collection and filtration: The water collection tank (3) is located directly below the spray cooling. After cooling, the water will naturally fall into the inside of the water collection tank (3) and then accumulate at the bottom of the water collection tank (3) along the water guide slope (4). Then, the water pump (31) is started through the control panel (2) to draw out the water inside the water collection tank (3) through the connecting pipe (28) connected to the outlet (5), and then filtered through the filter box (29) and sent into the water storage tank (33) through the drain pipe (32) for storage.

10. A cooling method for manufacturing anti-corrosion steel pipes according to claim 9, characterized in that: In step S2, one end of the gas delivery pipe (13) is connected to a gas source, and one end of the water delivery pipe (14) is connected to a water supply source. When the water nozzle (21) sprays water to cool down, high-pressure gas is blown through multiple high-pressure air outlets (19) to disperse the water source flowing out of the water nozzle (21) and present it as a mist to cool down the steel pipe.

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