H-shaped finned heat exchange tube

By introducing a vibration mechanism into the H-shaped fin heat exchange pipe, the tar, dust and other waste slag in the boiler is solved, and the boiler heat exchange efficiency and wear problems caused by the deposition of flue gas waste slag is extended, and the service life of the boiler is extended.

CN222978667UActive Publication Date: 2025-06-13HUALI HIGH-TECH (BEIJING) THERMAL TECH CO LTD
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Patent Information

Application Number
CN202421674700.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-06-13
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The high-temperature flue gas generated during the production process of the coking furnace contains waste residue such as tar and dust, which are deposited inside the boiler, affecting the efficiency of the heat exchange element of the waste heat boiler and causing wear, thereby shortening the boiler life.

Method used

A H-shaped fin type heat exchange tube is designed, using multiple sets of heat exchange plates and vibration mechanisms, and the control mechanism drives the fixing mechanism to rotate. The vibration plate hits the vibrating plate to vibrate the heat exchange plate and removes the falling tar, dust and other waste residue.

Benefits of technology

Effectively prevent waste slag deposition, improve the efficiency of boiler heat exchange elements, reduce wear and extend the service life of the boiler.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222978667U_ABST
Patent Text Reader

Abstract

The utility model discloses an H-shaped fin type heat exchange tube in the technical field of heat exchange tubes, which comprises a heat exchange pipeline, a plurality of groups of heat exchange sheets are arranged on two sides of the heat exchange pipeline, a control mechanism is arranged on one side of the top of the heat exchange pipeline, a fixing mechanism is arranged on the top of an inner cavity of the heat exchange pipeline, a plurality of groups of vibration mechanisms are arranged on the top of the fixing mechanism, and a plurality of groups of vibration mechanisms are arranged on the vibration mechanisms. Mounting plates are arranged on the periphery of the heat exchange pipeline, mounting holes are formed in the four mounting plates, the fixing mechanism comprises two fixing plates, the two fixing plates are arranged on the two sides of the top of an inner cavity of the heat exchange pipeline correspondingly, a fixing rod is rotationally connected to the bottom between the two fixing plates, and the control mechanism comprises a control box. The problems that a large amount of high-temperature smoke can be generated in the production process of the coking furnace, waste residues such as tar and dust are contained in the smoke, the efficiency of a heat exchange element of the waste heat boiler is affected by deposition in the boiler, the heat exchange element is abraded, and therefore the service life of the boiler is affected are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange tubes, in particular to an H-shaped finned heat exchange tube. Background Art

[0002] A flue gas waste heat boiler is an energy-saving and environmental protection device at present, which is commonly used in heavy industries such as power plants and steel plants. Since a large amount of high-temperature waste flue gas will be generated during the heating process of the boiler, it is necessary for the flue gas waste heat boiler to recycle and reuse the waste flue gas to reduce gas pollution, lower the pollutants in the flue gas, and at the same time reuse the excess heat of the high-temperature waste flue gas to achieve the effect of energy conservation.

[0003] However, a large amount of high-temperature flue gas will be generated during the production process of a coking furnace. The flue gas contains waste residues such as tar and dust, which will deposit inside the boiler, affecting the efficiency of the heat exchange elements of the waste heat boiler and causing wear to the heat exchange elements, thus affecting the boiler life. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and the name of the utility model of the specification, to avoid obscuring the purpose of this part, the abstract of the specification, and the name of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide an H-shaped finned heat exchange tube, which can solve the problems that a large amount of high-temperature flue gas will be generated during the production process of a coking furnace. The flue gas contains waste residues such as tar and dust, which will deposit inside the boiler, affecting the efficiency of the heat exchange elements of the waste heat boiler and causing wear to the heat exchange elements, thus affecting the boiler life.

[0006] To solve the above technical problems, the utility model provides an H-shaped finned heat exchange tube, adopting the following technical scheme: including a heat exchange pipeline, characterized in that: a plurality of groups of heat exchange fins are arranged on both sides of the heat exchange pipeline, a control mechanism is arranged on one side of the top of the heat exchange pipeline, a fixing mechanism is arranged on the top of the inner cavity of the heat exchange pipeline, and a plurality of groups of vibration mechanisms are arranged on the top of the fixing mechanism.

[0007] Optionally, mounting plates are installed around the heat exchange pipeline, and mounting holes are opened on the four groups of mounting plates.

[0008] By adopting the above technical scheme, bolts are inserted into the four groups of mounting plates, and the four groups of bolts are screwed to install and fix the heat exchange pipeline.

[0009] Optionally, the fixing mechanism includes two sets of fixing plates which are respectively arranged on both sides of the top of the inner cavity of the heat exchange pipe. A fixing rod is rotatably connected to the bottom between the two sets of fixing plates. The control mechanism includes a control box.

[0010] By adopting the above technical solution, the fixing rod is set to rotate.

[0011] Optionally, the control box is arranged on one side of the top of the heat exchange pipe. A control motor is arranged at the bottom of the inner cavity of the control box. A control rod is arranged at the bottom power output end of the control motor. The bottom of the control rod extends into the inner cavity of the heat exchange pipe. A control gear is arranged at the bottom of the control rod. A fixing gear is arranged on one side of the fixing rod close to the control gear. The fixing gear is sleeved on the outside of the fixing rod. The control gear is meshed with the fixing gear. Both the control gear and the fixing gear are bevel gears.

[0012] By adopting the above technical solution, the control motor is started to drive the fixing rod to rotate.

[0013] Optionally, a heat exchange cavity is formed in the heat exchange fin. A heat exchange hole is formed in one side of the heat exchange pipe close to the heat exchange fin. The heat exchange hole is communicated with the heat exchange cavity. A vibration piece is arranged on one side of the inner cavity of the heat exchange cavity far from the heat exchange pipe. One side of the vibration piece extends into the inner cavity of the heat exchange pipe. The vibration mechanism includes a vibration plate.

[0014] By adopting the above technical solution, after the coolant enters the heat exchange pipe and then enters the heat exchange cavity to cool down with the heat exchange fin, the heat exchange efficiency is accelerated.

[0015] Optionally, a vibration rotating shaft is arranged at the top of the vibration plate. The top of the vibration rotating shaft is rotatably connected to a vibration top plate. A vibration side plate is arranged on one side of the vibration plate close to the heat exchange fin. A vibration spring is arranged between the vibration top plate and the vibration side plate.

[0016] By adopting the above technical solution, the vibration piece is knocked to drive the heat exchange fin to vibrate, and the waste residues such as tar and dust falling on the heat exchange fin are vibrated off.

[0017] In summary, the present utility model has at least the following beneficial effects: By arranging a vibration mechanism inside the heat exchange fin to knock the vibration piece to make the heat exchange fin vibrate, the waste residues such as tar and dust falling on the heat exchange fin are vibrated off, preventing deposition inside the boiler from affecting the efficiency of the heat exchange elements of the waste heat boiler. Description of the Drawings

[0018] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic cross-sectional structural diagram of the heat exchange pipe of the present utility model in the front view;

[0021] Figure 3 is a schematic cross-sectional structural diagram of the side view of the present utility model.

[0022] Explanation of reference numerals: 1, heat exchange pipe; 101, heat exchange hole; 11, mounting plate; 12, mounting hole; 2, heat exchange fin; 201, heat exchange cavity; 202, vibration piece; 3, control mechanism; 301, control box; 302, control motor; 303, control rod; 304, control gear; 4, fixing mechanism; 401, fixing plate; 402, fixing rod; 403, fixing gear; 5, vibration mechanism; 501, vibration plate; 502, vibration rotating shaft; 503, vibration side plate; 504, vibration top plate; 505, vibration spring. Specific embodiments

[0023] The following will Figures 1-3 further describe the present utility model in detail.

[0024] Embodiment 1. Referring to Figures 1-2 , in this embodiment, in order to solve the problem that a large amount of high-temperature flue gas is generated during the production process of the coking furnace, and the flue gas contains waste residues such as tar and dust, which are deposited inside the boiler, affecting the efficiency of the heat exchange elements of the waste heat boiler and causing wear to the heat exchange elements, thus affecting the boiler life, the present utility model discloses an H-type finned heat exchange tube, which includes a heat exchange pipe 1, multiple groups of heat exchange fins 2 are arranged on both sides of the heat exchange pipe 1, a control mechanism 3 is arranged on one side of the top of the heat exchange pipe 1, a fixing mechanism 4 is arranged on the top of the inner cavity of the heat exchange pipe 1, and multiple groups of vibration mechanisms 5 are arranged on the top of the fixing mechanism 4.

[0025] Based on the above characteristics, the working principle of this embodiment is as follows: Connect the coolant to one side of the heat exchange pipe 1. The coolant enters the heat exchange fins 2 through the heat exchange pipe 1 to cool the heat exchange fins 2. When the flue gas passes through the heat exchange fins 2, heat exchange occurs between the flue gas and the heat exchange fins 2. The heat-exchanged flue gas floats out through the pipe. When waste residues such as tar and dust fall onto the heat exchange fins 2, the control mechanism 3 is activated to drive the fixing mechanism 4 to rotate. The fixing mechanism 4 drives a plurality of sets of vibration mechanisms 5 provided to rotate. Each set of vibration mechanisms 5 vibrates the corresponding heat exchange fins 2 respectively to vibrate the waste residues such as tar and dust on the heat exchange fins, and then collects them through the bottom.

[0026] Embodiment 2. Refer to Figures 2-3 , in this embodiment, in order to solve the problem that a large amount of high-temperature flue gas is generated during the production process of the coking furnace, the flue gas contains waste residues such as tar and dust, which are deposited inside the boiler and affect the efficiency of the heat exchange elements of the waste heat boiler, and will cause wear to the heat exchange elements, thus affecting the boiler life. Based on the same concept as Embodiment 1 above, this H-shaped finned heat exchange tube further includes mounting plates 11 installed around the heat exchange pipe 1. Mounting holes 12 are opened on all four groups of mounting plates 11. The fixing mechanism 4 includes two fixing plates 401, which are respectively arranged on both sides of the top inside the cavity of the heat exchange pipe 1. A fixing rod 402 is rotatably connected to the bottom between the two fixing plates 401. The control mechanism 3 includes a control box 301, which is arranged on one side of the top of the heat exchange pipe 1. A control motor 302 is provided at the bottom inside the cavity of the control box 301. A control rod 303 is provided at the bottom power output end of the control motor 302. The bottom of the control rod 303 extends into the cavity of the heat exchange pipe 1. A control gear 304 is provided at the bottom of the control rod 303. A fixing gear 403 is provided on one side of the fixing rod 402 close to the control gear 304. The fixing gear 403 is sleeved on the outside of the fixing rod 402. The control gear 304 meshes with the fixing gear 403. Both the control gear 304 and the fixing gear 403 are bevel gears. A heat exchange cavity 201 is opened inside the heat exchange fin 2. A heat exchange hole 101 is opened on one side of the heat exchange pipe 1 close to the heat exchange fin 2. The heat exchange hole 101 is communicated with the heat exchange cavity 201. A vibration plate 202 is arranged on the side of the heat exchange cavity 201 away from the heat exchange pipe 1. One side of the vibration plate 202 extends into the cavity of the heat exchange pipe 1. The vibration mechanism 5 includes a vibration plate 501. A vibration rotating shaft 502 is provided at the top of the vibration plate 501. A vibration top plate 504 is rotatably connected to the top of the vibration rotating shaft 502. A vibration side plate 503 is provided on one side of the vibration plate 501 close to the heat exchange fin 2. A vibration spring 505 is arranged between the vibration top plate 504 and the vibration side plate 503.

[0027] Based on the above characteristics, the working principle of this embodiment is as follows: Bolts are inserted into the four groups of mounting holes 12 respectively, and the four groups of bolts are turned respectively to fix the four groups of mounting plates 11, and the heat exchange pipe 1 is installed and fixed. The coolant enters the heat exchange cavity 201 through the heat exchange pipe 1 to cool the heat exchange fins 2. The heat exchange fins 2 exchange heat when contacting with the flue gas. When waste residues such as tar and dust fall onto the heat exchange fins 2, the motor 302 is controlled to drive the control rod 303 to rotate in the powered-on state. The control rod 303 drives the control gear 304 to rotate, the control gear 304 drives the fixed gear 403 meshing with it to rotate, the fixed gear 403 drives the fixed rod 402 to rotate, the fixed rod 402 drives the vibrating plate 501 to rotate, the vibrating plate 501 drives the vibrating top plate 504 to rotate, the vibrating top plate 504 knocks the vibrating piece 202 on the corresponding side to vibrate, and then the vibrating top plate 504 rotates through the vibrating side plate 503, and the vibrating side plate 503 passes through the vibrating piece 202 to knock the vibrating piece 202 on the corresponding other side. The two vibrating pieces 202 drive the two heat exchange fins 2 to vibrate respectively, and the waste residues such as tar and dust are vibrated off from the heat exchange fins 2.

[0028] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited hereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention shall be covered within the protection scope of the present invention.

Claims

1. An H-shaped finned heat exchange tube, comprising a heat exchange pipe (1), characterized in that: Multiple groups of heat exchange fins (2) are provided on both sides of the heat exchange pipe (1), a control mechanism (3) is provided on one side of the top of the heat exchange pipe (1), a fixing mechanism (4) is provided on the top of the inner cavity of the heat exchange pipe (1), and multiple groups of vibration mechanisms (5) are provided on the top of the fixing mechanism (4).

2. The H-shaped finned heat exchange tube according to claim 1, characterized in that: The heat exchange pipe (1) is surrounded by mounting plates (11), and four groups of mounting plates (11) are provided with mounting holes (12).

3. The H-shaped finned heat exchange tube according to claim 1, characterized in that: The fixing mechanism (4) comprises two groups of fixing plates (401), the two groups of fixing plates (401) are respectively arranged on both sides of the top of the inner cavity of the heat exchange pipe (1), and the bottom between the two groups of fixing plates (401) is rotatably connected with a fixing rod (402), and the control mechanism (3) comprises a control box (301).

4. The H-shaped finned heat exchange tube according to claim 3, characterized in that: The control box (301) is arranged on one side of the top of the heat exchange pipe (1); a control motor (302) is arranged at the bottom of the inner cavity of the control box (301); a control rod (303) is arranged at the bottom power output end of the control motor (302); the bottom of the control rod (303) extends into the inner cavity of the heat exchange pipe (1); a control gear (304) is arranged at the bottom of the control rod (303); a fixed gear (403) is arranged on the side of the fixed rod (402) close to the control gear (304); the fixed gear (403) is sleeved on the outer side of the fixed rod (402); the control gear (304) is meshed with the fixed gear (403); and both the control gear (304) and the fixed gear (403) are bevel gears.

5. The H-shaped finned heat exchange tube according to claim 1, characterized in that: A heat exchange cavity (201) is provided in the heat exchange plate (2); a heat exchange hole (101) is provided on a side of the heat exchange pipe (1) close to the heat exchange plate (2); the heat exchange hole (101) is connected to the heat exchange cavity (201); a vibration plate (202) is provided on a side of the inner cavity of the heat exchange cavity (201) away from the heat exchange pipe (1); one side of the vibration plate (202) extends deep into the inner cavity of the heat exchange pipe (1); and the vibration mechanism (5) comprises a vibration plate (501).

6. The H-shaped finned heat exchange tube according to claim 5, characterized in that: A vibration shaft (502) is provided at the top of the vibration plate (501), and a vibration top plate (504) is rotatably connected to the top of the vibration shaft (502). A vibration side plate (503) is provided on the side of the vibration plate (501) close to the heat exchange plate (2), and a vibration spring (505) is provided between the vibration top plate (504) and the vibration side plate (503).