Mining waste heat recovery device

Abstract

The utility model discloses a mining waste heat recovery device, which relates to the field of waste heat recovery and comprises a heat exchanger shell, the outer wall of the heat exchanger shell is fixedly connected with a water inlet pipe, the outer wall of the heat exchanger shell is fixedly connected with a water outlet pipe, and the bottom of the heat exchanger shell is fixedly connected with a support. A base is fixedly connected to the bottom of the support, a frame plate is fixedly connected to the top of the base, a sliding groove is formed in the frame plate, a rotating button is movably connected to the top of the frame plate, a threaded rod is fixedly connected to the bottom of the rotating button, a movable plate is movably connected to the inner wall of the frame plate, and a sliding block is fixedly connected to the outer wall of the movable plate. The bottom of the movable plate is fixedly connected with a limiting nail, the threaded rod can be rotated by moving the heat exchanger shell to the mine wellhead and rotating the rotary button, the limiting nail is inserted into soil through threaded connection of the threaded rod and the movable plate, and the stability of mine wellhead ventilation air methane waste heat recovery operation is improved.

Description

Technical Field

[0001] The utility model relates to the field of waste heat recovery, in particular to a waste heat recovery device for mine use. Background Technique

[0002] The exhausted air, also known as "coal mine air-discharged gas", refers to the coal mine gas with a methane concentration lower than 0.75%. When treating the exhausted air at the mine shaft, a waste heat recovery device is needed to exchange heat and reuse the exhausted air. At present, the waste heat recovery device often moves to the mine shaft by installing moving pulleys at the bottom of the support, but this results in poor stability of the waste heat recovery device during use. Therefore, a waste heat recovery device for mine use is needed.

[0003] For the existing waste heat recovery device for mine use, during use, it is inconvenient to stably support the waste heat recovery device, and it is also inconvenient to dock and assemble the inlet and outlet air pipes, thereby reducing the installation efficiency of the pipes and the waste heat recovery device. Therefore, a waste heat recovery device for mine use is urgently needed. Content of the Utility Model

[0004] Based on this, the purpose of the utility model is to provide a waste heat recovery device for mine use to solve the problems that the existing waste heat recovery device for mine use is inconvenient to stably support the waste heat recovery device and inconvenient to dock and assemble the inlet and outlet air pipes.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A waste heat recovery device for mine use, including a heat exchanger housing, the outer wall of the heat exchanger housing is fixedly connected with a water inlet pipe, the outer wall of the heat exchanger housing is fixedly connected with a water outlet pipe, the bottom of the heat exchanger housing is fixedly connected with a support, the bottom of the support is fixedly connected with a base, the top of the base is fixedly connected with a frame plate, a chute is opened inside the frame plate, a turning knob is movably connected to the top of the frame plate, a threaded rod is fixedly connected to the bottom of the turning knob, a movable plate is movably connected to the inner wall of the frame plate, a slider is fixedly connected to the outer wall of the movable plate, and a limiting nail is fixedly connected to the bottom of the movable plate.

[0006] One side of the heat exchanger housing is fixedly connected with an installation collar, a convex block is fixedly connected to the inner wall of the installation collar, a support plate is fixedly connected to the outer wall of the installation collar, a limiting rod is movably connected to the inside of the support plate, a clamping plate is fixedly connected to the outer wall of the limiting rod, a pulling knob is fixedly connected to one end of the limiting rod, an air inlet pipe is installed inside the installation collar, an installation plate is fixedly connected to the inner and outer walls of the air inlet pipe, a groove is opened inside the installation plate, a limiting hole is opened inside the installation plate, and an exhaust pipe is installed on the other side of the heat exchanger housing.

[0007] Preferably, the threaded rod is threadedly connected with the movable plate, and a threaded groove is opened inside the movable plate.

[0008] Preferably, the slider forms a sliding structure with the frame plate through a sliding groove, and the slider is located inside the sliding groove.

[0009] Preferably, the threaded rod forms a rotating structure with the frame plate through a turning knob, and the sliding grooves are symmetrically arranged with respect to the central axis of the frame plate.

[0010] Preferably, the limiting rod forms a sliding structure with the support plate, and the convex blocks are symmetrically arranged with respect to the central axis of the mounting collar.

[0011] Preferably, one side of the clamping plate is fixedly connected with a spring, and the spring is sleeved on the outer wall of the limiting rod.

[0012] Preferably, the mounting plate forms a sliding structure with the convex block through a groove, and the limiting rod is snap-connected with the mounting plate through a limiting hole.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By arranging a heat exchanger housing, a sliding groove, a turning knob, a threaded rod, a movable plate, a slider and a limiting nail, the heat exchanger housing is moved to the mine shaft opening, and the turning knob is rotated, so that the threaded rod can rotate. Through the threaded connection between the threaded rod and the movable plate, the movable plate can move downward, driving the slider to slide down along the sliding groove, so that the limiting nail is inserted into the soil, which has the effect of facilitating the limitation of the waste heat recovery device and improving the stability of the waste heat recovery operation of the mine shaft opening exhausted air.

[0015] 2. By arranging a mounting collar, a convex block, a limiting rod, a pulling knob, an air inlet pipe, a mounting plate and a limiting hole, by pulling the pulling knobs on both sides of the mounting collar, inserting the air inlet pipe, driving the mounting plate to slide along the convex block and insert into the mounting collar, and releasing the pulling knob, under the action of the spring, the limiting rod can be reset and inserted into the limiting hole for limitation, which has the effect of facilitating the connection and assembly of the pipeline and the waste heat recovery device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 2 is a three-dimensional view of the frame plate of the present utility model;

[0018] Figure 3 is a three-dimensional view of the mounting collar of the present utility model;

[0019] Figure 4 is a three-dimensional view of the air inlet pipe of the present utility model.

[0020] In the figure: 1, heat exchanger housing; 2, water inlet pipe; 3, water outlet pipe; 4, bracket; 5, base; 6, mounting plate; 7, chute; 8, knob; 9, threaded rod; 10, movable plate; 11, slider; 12, limit pin; 13, mounting collar; 14, convex block; 15, support plate; 16, limit rod; 17, clamping plate; 18, pull knob; 19, air inlet pipe; 20, mounting plate; 21, groove; 22, limit hole; 23, exhaust air pipe. Detailed implementation mode

[0021] 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. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0022] Next, the embodiments of the present invention will be described according to the overall structure of the present invention.

[0023] Please refer to Figures 1-4 , a mine waste heat recovery device, including a heat exchanger housing 1, a water inlet pipe 2 is fixedly connected to the outer wall of the heat exchanger housing 1, a water outlet pipe 3 is fixedly connected to the outer wall of the heat exchanger housing 1, a bracket 4 is fixedly connected to the bottom of the heat exchanger housing 1, a base 5 is fixedly connected to the bottom of the bracket 4, a mounting plate 6 is fixedly connected to the top of the base 5, a chute 7 is opened inside the mounting plate 6, a knob 8 is movably connected to the top of the mounting plate 6, a threaded rod 9 is fixedly connected to the bottom of the knob 8, a movable plate 10 is movably connected to the inner wall of the mounting plate 6, a slider 11 is fixedly connected to the outer wall of the movable plate 10, a limit pin 12 is fixedly connected to the bottom of the movable plate 10, the threaded rod 9 is threadedly connected to the movable plate 10, and a threaded groove is opened inside the movable plate 10. The slider 11 forms a sliding structure with the mounting plate 6 through the chute 7, and the slider 11 is located inside the chute 7. The threaded rod 9 forms a rotating structure with the mounting plate 6 through the knob 8, and the chute 7 is symmetrically arranged with the central axis of the mounting plate 6, which can facilitate the limitation of the waste heat recovery device and improve the stability of the waste heat recovery operation of the exhausted air at the mine shaft opening.

[0024] Please refer to Figures 1-4, a mine waste heat recovery device. One side of the heat exchanger housing 1 is fixedly connected with a mounting collar 13. The inner wall of the mounting collar 13 is fixedly connected with a convex block 14. The outer wall of the mounting collar 13 is fixedly connected with a support plate 15. A limiting rod 16 is movably connected inside the support plate 15. A clamping plate 17 is fixedly connected to the outer wall of the limiting rod 16. One end of the limiting rod 16 is fixedly connected with a pull knob 18. An air inlet pipe 19 is installed inside the mounting collar 13. The inner and outer walls of the air inlet pipe 19 are fixedly connected with a mounting plate 20. A groove 21 is opened inside the mounting plate 20. A limiting hole 22 is opened inside the mounting plate 20. The other side of the heat exchanger housing 1 is installed with an exhaust pipe 23. The limiting rod 16 and the support plate 15 form a sliding structure, and the convex block 14 is symmetrically arranged with the central axis of the mounting collar 13. One side of the clamping plate 17 is fixedly connected with a spring, and the spring is sleeved on the outer wall of the limiting rod 16. The mounting plate 20 forms a sliding structure with the convex block 14 through the groove 21, and the limiting rod 16 is snap-fitted with the mounting plate 20 through the limiting hole 22, which can facilitate the connection and assembly of the pipeline and the waste heat recovery device.

[0025] Working principle: When in use, by moving the heat exchanger housing 1 to the mine shaft entrance and rotating the knob 8, the threaded rod 9 can be rotated. Through the threaded connection between the threaded rod 9 and the movable plate 10, the movable plate 10 can move downward, driving the slider 11 to slide down along the chute 7, so that the limiting nail 12 is inserted into the soil, which has the effect of facilitating the limitation of the waste heat recovery device and improving the stability of the waste heat recovery operation of the exhausted air at the mine shaft entrance. By pulling the pull knobs 18 on both sides of the mounting collar 13, the air inlet pipe 19 is inserted, driving the mounting plate 20 to slide along the convex block 14 and insert into the mounting collar 13. Release the pull knob 18, and under the action of the spring, the limiting rod 16 can be reset and inserted into the limiting hole 22 for limitation, which has the effect of facilitating the connection and assembly of the pipeline and the waste heat recovery device. The exhausted air in the mine enters the heat exchanger housing 1 through the air inlet pipe 19. Under the circulating action of the water inlet pipe 2 and the water outlet pipe 3, the waste heat of the exhausted air can be recovered, so that the exhausted air after heat exchange treatment is discharged through the exhaust pipe 23. In this way, the use process of the device is completed. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0026] The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of simplifying the description of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the protection scope of the present invention.

[0027] Although the present utility model 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 perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A waste heat recovery device for mining, comprising a heat exchanger housing (1), characterized in that: The outer wall of the heat exchanger shell (1) is fixedly connected to a water inlet pipe (2), the outer wall of the heat exchanger shell (1) is fixedly connected to a water outlet pipe (3), the bottom of the heat exchanger shell (1) is fixedly connected to a bracket (4), the bottom of the bracket (4) is fixedly connected to a base (5), the top of the base (5) is fixedly connected to a frame plate (6), a slide groove (7) is provided inside the frame plate (6), the top of the frame plate (6) is movably connected to a knob (8), the bottom of the knob (8) is fixedly connected to a threaded rod (9), the inner wall of the frame plate (6) is movably connected to a movable plate (10), the outer wall of the movable plate (10) is fixedly connected to a slider (11), and the bottom of the movable plate (10) is fixedly connected to a limiting pin (12); A mounting collar (13) is fixedly connected to one side of the heat exchanger housing (1), a protrusion (14) is fixedly connected to the inner wall of the mounting collar (13), a support plate (15) is fixedly connected to the outer wall of the mounting collar (13), a limit rod (16) is movably connected inside the support plate (15), a clamping plate (17) is fixedly connected to the outer wall of the limit rod (16), a pull button (18) is fixedly connected to one end of the limit rod (16), an air inlet pipe (19) is installed inside the mounting collar (13), a mounting plate (20) is fixedly connected to the inner outer wall of the air inlet pipe (19), a groove (21) is provided inside the mounting plate (20), a limit hole (22) is provided inside the mounting plate (20), and an exhaust pipe (23) is installed on the other side of the heat exchanger housing (1).

2. A mining waste heat recovery device according to claim 1, characterized in that: The threaded rod (9) is threadably connected to the movable plate (10), and a thread groove is provided inside the movable plate (10).

3. A mining waste heat recovery device according to claim 1, characterized in that: The slide block (11) forms a sliding structure with the frame plate (6) through the slide groove (7), and the slide block (11) is located in the slide groove (7).

4. A mining waste heat recovery device according to claim 1, characterized in that: The threaded rod (9) forms a rotating structure with the frame plate (6) through the rotating knob (8), and the sliding groove (7) is symmetrically arranged with respect to the central axis of the frame plate (6).

5. A mining waste heat recovery device according to claim 1, characterized in that: The limiting rod (16) and the supporting plate (15) form a sliding structure, and the protrusion (14) is symmetrically arranged with respect to the central axis of the mounting ring (13).

6. A mining waste heat recovery device according to claim 1, characterized in that: A spring is fixedly connected to one side of the clamping plate (17), and the spring is sleeved on the outer wall of the limiting rod (16).

7. A mining waste heat recovery device according to claim 1, characterized in that: The mounting plate (20) forms a sliding structure through the groove (21) and the protrusion (14), and the limiting rod (16) is snap-connected with the mounting plate (20) through the limiting hole (22).

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