Waste heat recovery heating equipment

By designing waste heat recovery and heating equipment, using a combination device of heat absorption aluminum plate and water pipes, the heat in the flue gas is recycled and utilized, solving the problem that the heat cannot be fully utilized in the existing heating equipment and improving the utilization rate of resources.

CN222978155UActive Publication Date: 2025-06-13URUMQI XICHENG THERMAL POWER CO LTD
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Patent Information

Application Number
CN202420460227.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-11
Publication Date
2025-06-13
Estimated Expiration
2034-03-11

AI Technical Summary

Technical Problem

The heat generated by existing heating equipment during the heating process cannot be fully utilized, resulting in a large amount of heat being discharged into the air with the flue gas, and serious waste of resources.

Method used

A waste heat recovery and heating device is designed, and the heated flue gas is introduced into the waste heat recovery box through the connecting pipe. The heat in the flue gas is recycled and utilized by the combination of heat-absorbing aluminum plate and water pipe.

Benefits of technology

The waste heat generated during the heating process is effectively utilized, the utilization rate of resources is improved, and the waste of heat is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heating equipment, and discloses waste heat recovery heating equipment which comprises a heating boiler, the bottom end of the heating boiler is fixedly connected with a base, one side of the heating boiler is fixedly connected with a smoke exhaust barrel, the top ends of two supporting columns are fixedly connected with a waste heat recovery box, and a water injection opening is formed in the top end of the waste heat recovery box. One side of the waste heat recovery box is fixedly connected with a filter box, the movable end of the electric telescopic rod penetrates through one side of the filter box and is fixedly connected with a dust scraper, the interior of the filter box is fixedly connected with a filter plate, the bottom end of the filter box is fixedly connected with a collection box, and a waste heat recovery device is arranged in the waste heat recovery box. The problem that a large amount of heat generated by common heating equipment is exhausted into air along with smoke is solved, the recycled heat is effectively utilized, and the utilization rate of resources is increased.
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Description

Technical Field

[0001] The utility model relates to the technical field of heating equipment, in particular to a waste heat recovery heating equipment. Background Art

[0002] A heating equipment is a device that uses electric energy or other energy sources to raise the temperature to achieve specific purposes such as heating, melting, synthesis, separation, curing, etc., such as a boiler heating equipment. The heating equipment can quickly heat the material to the required temperature, shorten the production cycle, improve the production efficiency, can accurately control the temperature and heating time, avoid overheating or underheating, is conducive to the uniform heating and crystallization of the material, and improves the product quality. The use of heating equipment can reduce the dependence on manual operation, reduce the labor cost, and is also conducive to realizing automated production and reducing the production cost. However, the heat generated by general heating equipment during heating cannot be fully utilized, so that a large amount of generated heat is discharged into the air along with the flue gas, and the heat transfer speed of the flue gas heat is not high, and the recovered heat cannot be effectively utilized, resulting in waste of resources. For this reason, we propose a waste heat recovery heating equipment. Content of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the utility model provides a waste heat recovery heating equipment, which solves the above problems.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solutions: A waste heat recovery heating equipment, including a heating boiler, the bottom end of the heating boiler is fixedly connected with a base, the top end of the heating boiler is fixedly connected with two support columns, one side of the heating boiler is fixedly connected with a smoke exhaust pipe, the top ends of the two support columns are fixedly connected with a waste heat recovery box, the top end of the waste heat recovery box is provided with a water injection port, one side of the waste heat recovery box is fixedly connected with a filter box, and the other side of the waste heat recovery box is fixedly connected with a smoke outlet pipe. One side of the filter box is fixedly connected with a placement plate, the top end of the placement plate is fixedly connected with an electric telescopic rod, the movable end of the electric telescopic rod penetrates through one side of the filter box and is fixedly connected with a dust scraper, a filter plate is fixedly connected inside the filter box, the bottom end of the filter box is fixedly connected with a collection box, and a waste heat recovery device is arranged inside the waste heat recovery box.

[0007] Preferably, the waste heat recovery device includes a heat-absorbing aluminum plate, a water pipe, a heat preservation barrel, a water outlet and a water outlet pipe. One end of the water injection port penetrates through the inner wall of the waste heat recovery box and is fixedly connected with a water pipe, one end of the water pipe is fixedly connected with a water outlet, one end of the water outlet is fixedly connected with a water outlet pipe, one end of the water outlet pipe is fixedly connected with a heat preservation barrel, and a heat-absorbing aluminum plate is fixedly connected inside the waste heat recovery box.

[0008] Preferably, small holes are formed on the surface of the filter plate, and the small holes formed on the filter plate are arranged in a rectangular shape. One side of the filter plate is movably connected with a dust scraper, and one side surface of the filter plate is attached to one end of the dust scraper.

[0009] Preferably, a dust groove is formed on the inner wall of the bottom end of the filter box corresponding to one side of the filter plate. The dust groove is an inverted triangular inclined groove, and both ends of the dust groove are inclined towards the central axis direction. The inclination degree of the dust groove is [degree], and the bottom end of the dust groove fixedly penetrates the inner wall of the filter box and is fixedly connected to the collection box.

[0010] Preferably, a connection groove is formed on one side of the waste heat recovery box, and the surface of the connection pipe is fixedly connected inside the connection groove of the waste heat recovery box. One end of the connection pipe is fixedly connected to one side of the filter box.

[0011] Preferably, there are five heat absorption aluminum plates, and small holes are formed on the surfaces of the five heat absorption aluminum plates. The five heat absorption aluminum plates are arranged in sequence and fixedly connected to the inner wall of the waste heat recovery box.

[0012] Preferably, the water pipe is arranged in an S shape inside the waste heat recovery box. One end of the water pipe penetrates through the five heat absorption aluminum plates and is fixedly connected to the water outlet. The surface of the water pipe is fixedly connected to the five heat absorption aluminum plates.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the present utility model provides a waste heat recovery heating device, which has the following beneficial effects:

[0015] 1. For this waste heat recovery heating device, through the connection pipe, the flue gas with heat enters the inside of the waste heat recovery box. Then, by using the small holes on the heat absorption aluminum plates, the flue gas fills the inside of the waste heat recovery box. Then, water is injected into the inside of the water pipe from the water injection port. Then, by using the contact between the heat in the flue gas and the surface of the water pipe and the heat absorption aluminum plates, the water pipe and the heat absorption aluminum plates absorb the heat inside the waste heat recovery box. By using the heat absorption aluminum plates, the contact area with the flue gas is increased, and the heat can be better absorbed. Then, by fixedly connecting the water pipe to the heat absorption aluminum plates, the heat absorption aluminum plates transfer the absorbed heat to the water pipe again. The heat carried by the pipe body of the water pipe heats the injected water. Then, the heated water is transported to the inside of the outlet pipe through the water outlet fixedly connected to one end of the water pipe. Then, the heated water is collected into the inside of the heat preservation cylinder through the outlet pipe, solving the problem that the heat generated during the heating of general heating devices cannot be fully utilized, and a large amount of generated heat is discharged into the air along with the flue gas, effectively utilizing the recovered heat and improving the utilization rate of resources.

[0016] 2. The waste heat recovery heating device drives a dust scraper to move back and forth on the surface of the filter plate through the movable end of the electric telescopic rod, so as to scrape dust and other impurities filtered by the filter plate into the interior of the dust groove opened on the filter box. Then, due to the inclination of the dust groove, the dust and other impurities slide into the interior of the collection box for collection, preventing blockage caused by too many impurities and enabling the flue gas with heat to enter the waste heat recovery box for recovery and utilization. Brief Description of the Drawings

[0017] Figure 1 is a schematic diagram of the main structure of the present utility model;

[0018] Figure 2 is a schematic side view structure diagram of the heating device of the present utility model;

[0019] Figure 3 is a schematic diagram of the internal structure of the filter box of the present utility model;

[0020] Figure 4 is a schematic diagram of the structure of the waste heat recovery device of the present utility model.

[0021] In the figure: 1. Heating boiler; 2. Base; 3. Smoke exhaust pipe; 4. Filter box; 5. Placing plate; 6. Electric telescopic rod; 7. Dust scraper; 8. Filter plate; 9. Dust groove; 10. Collection box; 11. Connecting pipe; 12. Waste heat recovery box; 13. Heat absorption aluminum plate; 14. Water pipe; 15. Water injection port; 16. Heat preservation bucket; 17. Water outlet; 18. Water outlet pipe; 19. Smoke outlet pipe; 20. Support column. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4, A waste heat recovery heating device, including a heating boiler 1, the bottom end of the heating boiler 1 is fixedly connected with a base 2, the top end of the heating boiler 1 is fixedly connected with two support columns 20, one side of the heating boiler 1 is fixedly connected with a smoke exhaust pipe 3, the top ends of the two support columns 20 are fixedly connected with a waste heat recovery box 12, the top end of the waste heat recovery box 12 is provided with a water injection port 15, one side of the waste heat recovery box 12 is fixedly connected with a filter box 4, and the other side of the waste heat recovery box 12 is fixedly connected with a smoke outlet pipe 19. One side of the filter box 4 is fixedly connected with a placement plate 5, the top end of the placement plate 5 is fixedly connected with an electric telescopic rod 6, the movable end of the electric telescopic rod 6 penetrates through one side of the filter box 4 and is fixedly connected with a dust scraper 7, a filter plate 8 is fixedly connected inside the filter box 4, the bottom end of the filter box 4 is fixedly connected with a collection box 10, and a waste heat recovery device is arranged inside the waste heat recovery box 12.

[0024] Further, the waste heat recovery device includes a heat absorption aluminum plate 13, a water pipe 14, a heat preservation bucket 16, a water outlet 17 and a water outlet pipe 18. One end of the water injection port 15 penetrates through the inner wall of the waste heat recovery box 12 and is fixedly connected with a water pipe 14. One end of the water pipe 14 is fixedly connected with a water outlet 17. One end of the water outlet 17 is fixedly connected with a water outlet pipe 18. One end of the water outlet pipe 18 is fixedly connected with a heat preservation bucket 16, and a heat absorption aluminum plate 13 is fixedly connected inside the waste heat recovery box 12.

[0025] Further, small holes are formed on the surface of the filter plate 8, and the small holes formed on the filter plate 8 are arranged in a rectangular pattern. One side of the filter plate 8 is movably connected with a dust scraper 7, and one side surface of the filter plate 8 is attached to one end of the dust scraper 7.

[0026] Further, a dust groove 9 is formed on the inner wall of the bottom end of the filter box 4 corresponding to one side of the filter plate 8. The dust groove 9 is an inverted triangular inclined groove. The two ends of the dust groove 9 are inclined towards the central axis direction. The inclination degree of the dust groove 9 is 45 degrees. The bottom end of the dust groove 9 fixedly penetrates through the inner wall of the filter box 4 and is fixedly connected to the collection box 10.

[0027] Further, a connection groove is formed on one side of the waste heat recovery box 12. The surface of the connecting pipe 11 is fixedly connected inside the connection groove of the waste heat recovery box 12, and one end of the connecting pipe 11 is fixedly connected to one side of the filter box 4.

[0028] Further, there are five heat absorption aluminum plates 13. Small holes are formed on the surfaces of the five heat absorption aluminum plates 13. The five heat absorption aluminum plates 13 are arranged in sequence and fixedly connected to the inner wall of the waste heat recovery box 12.

[0029] Further, the water pipe 14 is arranged in an S shape inside the waste heat recovery box 12. One end of the water pipe 14 penetrates through the five heat absorption aluminum plates 13 and is fixedly connected to the water outlet 17. The surface of the water pipe 14 is fixedly connected to the five heat absorption aluminum plates 13.

[0030] Working principle: When the heating boiler 1 is heating, the flue gas with heat generated enters the interior of the filter box 4 through the exhaust chimney 3, and then passes through the filter plate 8 fixedly connected to the filter box 4, so that dust and other impurities in the flue gas with heat are filtered out. Then, through the connecting pipe 11 fixedly connecting the filter box 4 and the waste heat recovery box 12, the flue gas with heat enters the interior of the waste heat recovery box 12. Then, using the small holes on the heat-absorbing aluminum plate 13, the flue gas fills the interior of the waste heat recovery box. Then, water is injected into the interior of the water pipe 14 from the water injection port 15. Then, by using the contact between the heat in the flue gas and the surface of the water pipe 14 and the heat-absorbing aluminum plate 13, the water pipe 14 and the heat-absorbing aluminum plate 13 absorb the heat in the waste heat recovery box 12. By using the heat-absorbing aluminum plate 13, the contact area with the flue gas is increased, and the heat can be better absorbed. Then, by using the water pipe 14 fixedly connected to the heat-absorbing aluminum plate 13, the heat-absorbing aluminum plate 13 transfers the absorbed heat to the water pipe 14 again. The heat carried by the pipe body of the water pipe 14 heats the injected water. Then, the heated water is transported into the interior of the outlet pipe 18 through the water outlet 17 fixedly connected to one end of the water pipe 14, and then the heated water is collected into the interior of the heat preservation cylinder 16 through the outlet pipe 18;

[0031] When the dust impurities in the flue gas with heat block the filter plate 8, the electric telescopic rod 6 is started to perform telescopic movement, so that the movable end of the electric telescopic rod 6 drives the dust scraper 7 to move back and forth on the surface of the filter plate 8, thereby scraping the dust and other impurities filtered by the filter plate 8 into the interior of the dust groove 9 opened on the filter box 4. Then, through the inclination of the dust groove 9, the dust and other impurities slide into the interior of the collection box 10 for collection, preventing the flue gas with heat from not entering the waste heat recovery box due to too many impurities.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste heat recovery heating device, comprising a heating boiler (1), characterized in that: The bottom end of the heating boiler (1) is fixedly connected to a base (2), the top end of the heating boiler (1) is fixedly connected to two support columns (20), one side of the heating boiler (1) is fixedly connected to a smoke exhaust pipe (3), the top ends of the two support columns (20) are fixedly connected to a waste heat recovery box (12), the top end of the waste heat recovery box (12) is provided with a water injection port (15), one side of the waste heat recovery box (12) is fixedly connected to a filter box (4), and the other side of the waste heat recovery box (12) is fixedly connected to a smoke exhaust pipe (19), one side of the filter box (4) is fixedly connected to a placement plate (5), the top end of the placement plate (5) is fixedly connected to an electric telescopic rod (6), the movable end of the electric telescopic rod (6) passes through one side of the filter box (4) and is fixedly connected to a dust scraper (7), the inside of the filter box (4) is fixedly connected to a filter plate (8), the bottom end of the filter box (4) is fixedly connected to a collecting box (10), and the inside of the waste heat recovery box (12) is provided with a waste heat recovery device.

2. The waste heat recovery heating device according to claim 1, characterized in that: The waste heat recovery device comprises a heat-absorbing aluminum plate (13), a water pipe (14), a heat-insulating barrel (16), a water outlet (17) and a water outlet pipe (18); one end of the water inlet (15) penetrates the inner wall of the waste heat recovery box (12) and is fixedly connected to the water pipe (14); one end of the water pipe (14) is fixedly connected to the water outlet (17); one end of the water outlet (17) is fixedly connected to the water outlet pipe (18); one end of the water outlet pipe (18) is fixedly connected to the heat-insulating barrel (16); and the interior of the waste heat recovery box (12) is fixedly connected to the heat-absorbing aluminum plate (13).

3. The waste heat recovery heating device according to claim 1, characterized in that: The surface of the filter plate (8) is provided with small holes, and the small holes provided on the filter plate (8) are arranged in a rectangular shape. One side of the filter plate (8) is movably connected to a dust scraper (7), and one side surface of the filter plate (8) is attached to one end of the dust scraper (7).

4. The waste heat recovery heating device according to claim 1, characterized in that: A dust groove (9) is provided on the inner wall of the bottom end of the filter box (4) corresponding to one side of the filter plate (8), and the dust groove (9) is an inverted triangular inclined groove, and both ends of the dust groove (9) are inclined toward the central axis, and the inclination of the dust groove (9) is (45) degrees, and the bottom end of the dust groove (9) penetrates the inner wall of the filter box (4) and is fixedly connected to the collection box (10).

5. The waste heat recovery heating device according to claim 1, characterized in that: A connection groove is provided on one side of the waste heat recovery box (12), and the surface of the connection pipe (11) is fixedly connected to the inside of the connection groove of the waste heat recovery box (12), and one end of the connection pipe (11) is fixedly connected to one side of the filter box (4).

6. The waste heat recovery heating device according to claim 2, characterized in that: Five heat-absorbing aluminum plates (13) are provided, and small holes are opened on the surfaces of the five heat-absorbing aluminum plates (13). The five heat-absorbing aluminum plates (13) are arranged in sequence and fixedly connected to the inner wall of the waste heat recovery box (12).

7. The waste heat recovery heating device according to claim 6, characterized in that: The water pipe (14) is arranged in an S shape inside the waste heat recovery box (12), and one end of the water pipe (14) passes through five heat-absorbing aluminum plates (13) and is fixedly connected to the water outlet (17), and the surface of the water pipe (14) is fixedly connected to the five heat-absorbing aluminum plates (13).