Heat treatment equipment with heat circulation mechanism for seamless steel pipe machining

Abstract

The utility model discloses heat treatment equipment with a heat circulation mechanism for seamless steel pipe processing, which comprises a working table, a heating device is arranged at the center of the upper end face of the working table, a water tank is arranged in the heating device, and a drainage pipe is arranged at the center of the bottom end of the heating device. And two limiting devices are symmetrically arranged in the two ends of the heating device, a temperature control device is arranged on one side of the heating device, and a coil pipe is arranged at the output end of the temperature control device. The coil pipe is installed in the heating device, then the water tank is arranged in the heating device, the first water pipe is fixed to the center of the top end of the heating device, and then the drainage pipe is arranged in the bottom end of the heating device, so that water is conveyed into the water tank through the first water pipe; furthermore, the temperature control device heats the surface of the steel pipe through the coil pipe, and meanwhile, water in the water tank is heated, so that the heat treatment equipment can recycle preheating.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment equipment, in particular to a heat treatment equipment for seamless steel pipe processing with a heat circulation mechanism. Background Technique

[0002] Steel pipes refer to steel materials with a length much greater than the diameter or circumference. They are divided into round, square, rectangular and special-shaped steel pipes according to the cross-sectional shape; they are divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes according to the material, and are generally used in fields such as conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological exploration, high-pressure equipment, etc. They are divided into seamless steel pipes and welded steel pipes according to the production process. Among them, seamless steel pipes are further divided into two types: hot-rolled and cold-rolled (drawn). During the production process of hot-rolled steel pipes, heat treatment of the steel pipes is required. Therefore, it needs to be completed through heat treatment equipment.

[0003] The current heat treatment equipment generally consists of a workbench, a conveying device, a heat treatment device and a quenching device. During operation, the steel pipe blank is driven to move by the conveying device, and then the steel pipe blank is heated by the heating device, and then the surface of the steel pipe is quickly cooled by the quenching device. However, the existing heat treatment device usually controls the coil to heat the steel pipe blank by a controller, resulting in a large amount of heat loss during heat treatment. Therefore, the inventor proposes a heat treatment equipment for seamless steel pipe processing with a heat circulation mechanism to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a heat treatment equipment for seamless steel pipe processing with a heat circulation mechanism to solve the problem that the existing heat treatment device usually controls the coil to heat the steel pipe blank by a controller, resulting in a large amount of heat loss during heat treatment.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A heat treatment equipment for seamless steel pipe processing with a heat circulation mechanism, including a workbench, a heating device is arranged at the center of the upper end surface of the workbench, a water tank is arranged inside the heating device, and a drain pipe is arranged at the center of the bottom end of the heating device. Two groups of limiting devices are symmetrically arranged inside both ends of the heating device, and a temperature control device is arranged on one side of the heating device. The output end of the temperature control device is provided with a coil, so that the temperature control device can heat the surface of the steel pipe through the coil.

[0006] As a technical solution of the utility model, a base is arranged at the center of the bottom of the workbench, multiple groups of support blocks are symmetrically arranged at the bottom of the base, a boss is arranged at the center of one side of the workbench, and a controller is arranged inside the boss, so that the controller can control the operation of the heat treatment equipment.

[0007] As a technical solution of the present utility model, a water tank is provided inside the base, and a water pump is provided at the center of the top end of the water tank to facilitate the water pump to transport the water inside the water tank into the water trough.

[0008] As a technical solution of the present utility model, a conveying device is provided at one end of the upper end surface of the workbench, and a water storage trough is provided inside the other end of the upper end surface of the workbench. A filter is provided inside the bottom end of the water storage trough to facilitate the filter to filter the water and then return it to the water tank.

[0009] As a technical solution of the present utility model, a quenching device is provided on the top of the water storage trough at the other end of the upper end surface of the workbench. A notch is provided inside the bottom end of the quenching device, and a filter screen is provided at the bottom inside the quenching device to facilitate the filter screen to filter the water.

[0010] As a technical solution of the present utility model, multiple fixing members are provided at the center inside the quenching device, and an annular water pipe is provided inside the fixing members to facilitate the fixing members to fix the annular water pipe inside the quenching device.

[0011] As a technical solution of the present utility model, a nozzle is provided inside the annular water pipe, and a flow splitting device is provided at the output end of the annular water pipe to facilitate the external water pipe to be transported into the annular water pipe through the flow splitting device.

[0012] As a technical solution of the present utility model, a conveying device is provided at one end of the upper end surface of the workbench, and a housing is provided on one side thereof. A rotary driving member is provided at the center inside the housing, and an active conveying roller is provided at the output end of the rotary driving member. One end of the active conveying roller is provided with an active belt pulley, and two conveying belts are provided outside the active belt pulley. Two driven conveying rollers are symmetrically provided on both sides inside the housing near the active conveying roller. One end of the driven conveying roller is provided with a driven belt pulley to facilitate the active conveying roller and the driven conveying roller to convey the steel pipe.

[0013] As a technical solution of the present utility model, a bracket is provided on one side of the upper end surface of the workbench near the heating device, and a roller shaft is provided at the top end inside the bracket to facilitate the roller shaft to support the steel pipe.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: This heat treatment equipment for seamless steel pipe processing with a heat circulation mechanism not only has a reasonable structure, is convenient to use and simple to maintain later, but also has the following advantages;

[0015] (1) The utility model installs the coil pipe inside the heating device, then sets a water tank inside the heating device, fixes the first water pipe at the center of the top of the heating device, and sets a drain pipe inside the bottom of the heating device, so that water is conveyed into the water tank through the first water pipe, and then the temperature control device heats the surface of the steel pipe through the coil pipe. At the same time, the water in the water tank is heated, so that the heat treatment equipment can recycle the preheat;

[0016] (2) The utility model sets a water storage tank inside the other end of the workbench and sets a filtering device at the bottom of the water storage tank, so that the waste liquid generated during the quenching treatment in the water storage tank is filtered by the filtering device and then conveyed into the water tank, so that the water can be reused, and the heat treatment equipment is more environmentally friendly. Description of the Drawings

[0017] Figure 1 is the front external structure schematic diagram of the utility model;

[0018] Figure 2 is the front sectional structure schematic diagram of the utility model;

[0019] Figure 3 is the top view partial sectional structure schematic diagram of the utility model;

[0020] Figure 4 is the Figure 2 enlarged structure schematic diagram at A of the utility model;

[0021] Figure 5 is the Figure 2 enlarged structure schematic diagram at B of the utility model.

[0022] In the figure: 1. Workbench; 2. Base; 3. Support block; 4. Boss; 5. Controller; 6. Conveying device; 601. Shell; 602. Rotary driving part; 603. Active conveying roller; 604. Active belt pulley; 605. Conveying belt; 606. Driven conveying roller; 607. Driven belt pulley; 7. Water tank; 8. Water pump; 9. First water pipe; 10. Heating device; 11. Water tank; 12. Drain pipe; 13. Limiting device; 14. Temperature control device; 15. Coil pipe; 16. Water storage tank; 17. Filtering device; 18. Quenching device; 19. Notch; 20. Filter screen; 21. Annular water pipe; 22. Sprinkler head; 23. Shunt device; 24. Fixing part; 25. Bracket; 26. Roller shaft. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-5 , an embodiment provided by the present invention: a heat treatment device for seamless steel pipe processing with a heat circulation mechanism, including a workbench 1. A heating device 10 is provided at the center of the upper end surface of the workbench 1. A water tank 11 is provided inside the heating device 10, and a drain pipe 12 is provided at the center of the bottom end of the heating device 10. Two groups of limiting devices 13 are symmetrically provided inside both ends of the heating device 10, and a temperature control device 14 is provided on one side of the heating device 10. A coil pipe 15 is provided at the output end of the temperature control device 14;

[0025] During use, by installing the coil pipe 15 inside the heating device 10, then setting a water tank 11 inside the heating device 10, and fixing the first water pipe 9 at the center of the top end of the heating device 10, and then setting a drain pipe 12 inside the bottom end of the heating device 10, water is conveyed into the water tank 11 through the first water pipe 9, so that the temperature control device 14 heats the surface of the steel pipe through the coil pipe 15;

[0026] A base 2 is provided at the center of the bottom of the workbench 1. A plurality of support blocks 3 are symmetrically provided at the bottom of the base 2. A boss 4 is provided at the center of one side of the workbench 1. A controller 5 is provided inside the boss 4;

[0027] During use, by providing a boss 4 on one side of the workbench 1 and providing a controller 5 inside the boss 4, the controller 5 controls the operation of the heat treatment device;

[0028] A water tank 7 is provided inside the base 2. A water pump 8 is provided at the center of the top end of the water tank 7;

[0029] During use, by providing a water pump 8 at the top end of the water tank 7 and installing the input end of the first water pipe 9 at the output end of the water pump 8, the water pump 8 conveys the water inside the water tank 7 into the water tank 11;

[0030] A conveying device 6 is provided at one end of the upper end surface of the workbench 1, and a water storage tank 16 is provided inside the other end of the upper end surface of the workbench 1. A filter 17 is provided inside the bottom end of the water storage tank 16;

[0031] During use, by installing the filter 17 at the bottom end of the water storage tank 16 and then installing the bottom end of the filter 17 on one side of the top end of the water tank 7, the filter 17 filters the passing water and then returns it to the inside of the water tank 7;

[0032] At the other end of the upper end surface of the workbench 1, a quenching device 18 is provided at the top of the water storage tank 16. A notch 19 is provided inside the bottom end of the quenching device 18, and a filter screen 20 is provided at the bottom inside the quenching device 18;

[0033] During use, by installing the filter screen 20 at the bottom inside the quenching device 18, the filter screen 20 filters the water;

[0034] At the center inside the quenching device 18, multiple fixing members 24 are provided, and an annular water pipe 21 is provided inside the fixing members 24;

[0035] During use, by providing multiple fixing members 24 inside the quenching device 18, the fixing members 24 fix the annular water pipe 21 inside the quenching device 18;

[0036] Spray nozzles 22 are provided inside the annular water pipe 21, and a flow splitting device 23 is provided at the output end of the annular water pipe 21;

[0037] During use, by providing a flow splitting device 23 at the output end of the annular water pipe 21 and multiple spray nozzles 22 inside the annular water pipe 21, an external water pipe delivers water to the inside of the annular water pipe 21 through the flow splitting device 23, and the water is sprayed onto the surface of the steel pipe through the spray nozzles 22;

[0038] At one end of the upper end surface of the workbench 1, a conveying device 6 is provided. A housing 601 is provided on one side of the conveying device 6. A rotary driving member 602 is provided at the center inside the housing 601. An active conveying roller 603 is provided at the output end of the rotary driving member 602. One end of the active conveying roller 603 is provided with an active belt pulley 604. Two conveying belts 605 are provided outside the active belt pulley 604. Two driven conveying rollers 606 are symmetrically provided on both sides inside the conveying device 6 near the active conveying roller 603. One end of the driven conveying roller 606 is provided with a driven belt pulley 607;

[0039] During use, by connecting the two driven belt pulleys 607 to the active belt pulley 604 respectively with the two conveying belts 605, when the rotary driving member 602 drives the active belt pulley 604 to rotate, the driven conveying rollers 606 are driven by the driven belt pulley 607, so that the active conveying roller 603 and the driven conveying rollers 606 convey the steel pipe;

[0040] A support 26 is provided on one side of the upper end surface of the workbench 1 near the heating device 10. A roller shaft 27 is provided at the top inside the support 26;

[0041] During use, by rotatably installing the roller shaft 26 at the top inside the support 26, the roller shaft 26 supports the steel pipe.

[0042] When the embodiment of the present application is in use: First, two sets of conveyor belts 605 are used to connect the driven pulley 607 and the driving pulley 604 respectively, so that while the rotary driving member 602 drives the driving pulley 604 to rotate, the driven conveyor roller 606 is driven through the driven pulley 607, so that the driving conveyor roller 603 and the driven conveyor roller 606 drive the steel pipe to move at a constant speed and pass through the inside of the heating device 10, so that the temperature control device 14 controls the coil 15 to heat the steel pipe. When the steel pipe moves out of the heating device 10, the bottom of the steel pipe is placed on the upper end surface of the roller shaft 26, and the roller shaft 26 rotates as the steel pipe moves, thereby supporting the steel pipe. At the same time, the water pump 8 transports the water in the water tank 7 to the inside of the water tank 11 through the first water pipe 9, so that while the coil 15 heats the steel pipe, the water in the water tank 11 is heated, thereby realizing the recovery and reuse of waste heat. Then, the input end of the annular water pipe 21 is docked with an external water pipe through the shunt device 23, so that water is transported into the annular water pipe 21, and the water is sprayed onto the surface of the steel pipe through the nozzle 22, thereby quenching the steel pipe. Then, the water is filtered by the filter screen 20 and falls into the water storage tank 16, and the water is transported into the water tank 7 through the filter 17, thus completing the use of a heat treatment device for seamless steel pipe processing with a heat circulation mechanism.

[0043] The embodiments of the present invention are given for the purposes of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A heat treatment device for seamless steel pipe processing with a thermal cycling mechanism, comprising a workbench (1), characterized in that: At the center of the upper end surface of the workbench (1), a heating device (10) is provided. Inside the heating device (10), a water tank (11) is arranged, and at the center of the bottom end of the heating device (10), a drain pipe (12) is provided. Moreover, two groups of limiting devices (13) are symmetrically arranged inside both ends of the heating device (10), and on one side of the heating device (10), a temperature control device (14) is provided. The output end of the temperature control device (14) is provided with a coiled pipe (15).

2. The heat treatment equipment for seamless steel pipe processing with a thermal cycle mechanism according to claim 1, characterized in that: At the center of the bottom of the workbench (1), a base (2) is provided. Multiple groups of supporting blocks (3) are symmetrically arranged at the bottom of the base (2). At the center of one side of the workbench (1), a boss (4) is provided, and inside the boss (4), a controller (5) is arranged.

3. The heat treatment equipment for seamless steel pipe processing with a thermal cycle mechanism according to claim 2, characterized in that: Inside the base (2), a water tank (7) is provided. At the center of the top end of the water tank (7), a water pump (8) is provided.

4. The heat treatment equipment for seamless steel pipe processing with a thermal cycle mechanism according to claim 1, wherein: Inside the other end of the upper end surface of the workbench (1), a water storage tank (16) is provided. Inside the bottom end of the water storage tank (16), a filter (17) is arranged.

5. The heat treatment equipment for seamless steel pipe processing with a thermal cycle mechanism according to claim 1, characterized in that: At the top of the water storage tank (16) at the other end of the upper end surface of the workbench (1), a quenching device (18) is provided. Inside the bottom end of the quenching device (18), a notch (19) is arranged, and at the bottom inside the inner side of the quenching device (18), a filter net (20) is arranged.

6. The heat treatment equipment for seamless steel pipe processing with a thermal cycling mechanism according to claim 5, characterized in that: At the center of the inside of the quenching device (18), multiple groups of fixing members (24) are provided. Inside the fixing members (24), an annular water pipe (21) is arranged.

7. The heat treatment equipment for seamless steel pipe processing with a thermal cycle mechanism according to claim 6, characterized in that: Inside the annular water pipe (21), a spray head (22) is arranged, and the output end of the annular water pipe (21) is provided with a flow dividing device (23).

8. The heat treatment equipment for seamless steel pipe processing with a thermal cycle mechanism according to claim 1, characterized in that: At one end of the upper end surface of the workbench (1), a conveying device (6) is provided. On one side of the (6), a housing (601) is provided. At the center of the inside of the housing (601), a rotary driving member (602) is arranged. The output end of the rotary driving member (602) is provided with a driving conveying roller (603). Moreover, at one end of the driving conveying roller (603), a driving belt pulley (604) is provided. Outside the driving belt pulley (604), two groups of conveying belts (605) are arranged. And inside the (6), on both sides close to the driving conveying roller (603), two groups of driven conveying rollers (606) are symmetrically arranged. At one end of the driven conveying roller (606), a driven belt pulley (607) is provided.

9. The heat treatment equipment for seamless steel pipe processing with a thermal cycling mechanism according to claim 1, characterized in that: On one side of the upper end surface of the workbench (1) close to the heating device (10), a bracket (26) is provided. At the top end inside the bracket (26), a (27) is arranged.

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