Heat supply device for waste heat recovery of thermal power plant

Abstract

The utility model relates to the technical field of heat supply devices, and provides a heat supply device for waste heat recovery of a thermal power plant, which comprises a circulating box body, the top of the circulating box body is communicated with a smoke exhaust pipe, the outer side of the circulating box body is fixedly connected with a heat preservation frame, and a first transduction assembly is arranged in the circulating box body. The first energy conversion assembly comprises an air extracting pump fixedly connected to the outer side of the circulating box body, the output end of the air extracting pump is fixedly connected with a conveying pipe, the end of the conveying pipe is fixedly connected with a conversion pipe, the end of the conversion pipe is fixedly connected with a first connecting pipe, and the end of the first connecting pipe communicates with a smoke dispersing frame; the bottom of the tobacco scattering frame is fixedly connected with the bottom of the inner cavity of the circulating box body. According to the technical scheme, the problems that in the prior art, if flue gas is directly discharged, heat in the flue gas is directly discharged into air, so that more heat resources are wasted, and the flue gas with higher heat is discharged into air, so that the surrounding environment is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating devices, and in particular to a heating device for recovering waste heat from a thermal power plant. Background Art

[0002] A thermal power plant, also known as a thermal power plant, is a factory that uses coal, oil, and natural gas as fuel to produce electricity. Its basic production process is: the fuel burns in the boiler to heat water to generate steam, converting the chemical energy of the fuel into thermal energy. The steam pressure drives the turbine to rotate, converting the thermal energy into mechanical energy, and then the turbine drives the vacuum pump to rotate, converting the mechanical energy into electrical energy.

[0003] During the thermal power generation process, extremely high-temperature flue gas will be generated. If this flue gas is discharged directly, the heat inside the flue gas will be discharged directly into the air, which will cause a lot of heat resources to be wasted. In addition, the high-heat flue gas discharged into the air will affect the surrounding environment. Utility Model Content

[0004] The utility model proposes a heating device for recovering waste heat from a thermal power plant, which solves the problem in the related art that if the flue gas is directly discharged, the heat inside the flue gas will be directly discharged into the air, which will result in a large amount of heat resources being wasted, and the flue gas with high heat being discharged into the air will have an impact on the surrounding environment.

[0005] The technical solution of the present utility model is as follows: A heating device for recovering waste heat from a thermal power plant, comprising a circulation box, the top of the circulation box being connected to a smoke exhaust pipe, the outside of the circulation box being fixedly connected to an insulation frame, a first energy conversion component being arranged inside the circulation box, the first energy conversion component comprising an air extraction pump fixedly connected to the outside of the circulation box, an output end of the air extraction pump being fixedly connected to a transmission pipe, an end of the transmission pipe being fixedly connected to a conversion pipe, an end of the conversion pipe being fixedly connected to a first connecting pipe, an end of the first connecting pipe being connected to a smoke dispersion frame, and a bottom of the smoke dispersion frame being fixedly connected to the bottom of the inner cavity of the circulation box.

[0006] As an optimal technical solution of the present invention, a water storage assembly is provided on the outside of the transmission pipe, and the water storage assembly includes a conversion box fixedly connected to the outside of the transmission pipe. The conversion box is penetrated by a first connecting pipe, and four support blocks are fixedly connected to the bottom of the conversion box. The support blocks penetrate the smoke dispersion frame and are fixedly connected to the bottom of the inner cavity of the circulation box.

[0007] As an optimal technical solution of the present invention, the water storage assembly also includes a drain pipe connected to the bottom of the inner cavity of the conversion box, a valve is fixedly connected to the outside of the drain pipe, and the drain pipe passes through the circulation box and is fixedly connected to the circulation box.

[0008] As an optimal technical solution of the present invention, a second transducer component is provided inside the circulation box, and the second transducer component includes a water inlet pipe fixedly connected to the inside of the circulation box, the water inlet pipe passes through the circulation box, the end of the water inlet pipe is fixedly connected to the first transducer tube, the end of the first transducer tube is fixedly connected to the second connecting tube, and the end of the second connecting tube is fixedly connected to the second transducer tube.

[0009] As a preferred technical solution of the present invention, the second transducer assembly also includes a water supply pipe fixedly connected to the end of the second transducer tube, the end of the water supply pipe passes through the conversion box and is connected to the inside of the conversion box, and the end of the second transducer tube and the end of the first transducer tube are both fixedly connected to a support rod.

[0010] As an optimal technical solution of the present invention, a filter assembly is provided inside the circulation box, and the filter assembly includes six slide blocks fixedly connected to the inside of the circulation box. The six slide blocks are divided into three groups. The first group of slide blocks has an activated carbon placement frame slidingly connected to the inside of the slide blocks, the second group of slide blocks has filter cotton slidingly connected to the inside of the slide blocks, and the third group of slide blocks has a filter net slidingly connected to the inside of the slide blocks. The activated carbon placement frame, filter cotton and filter net all pass through the circulation box and are slidably connected to the circulation box.

[0011] As a preferred technical solution of the present invention, the filter assembly further comprises three baffles respectively fixedly connected to the activated carbon placement frame, the filter cotton and the end of the filter screen, and a handle is fixedly connected to the outer side of the baffle.

[0012] As an optimal technical solution of the present invention, two limit assemblies are provided on the outside of the circulation box body, and the limit assemblies include two support seats fixedly connected to the outside of the circulation box body, a rotating shaft is fixedly connected between the two support seats, and a limit plate is rotatably connected to the outside of the rotating shaft.

[0013] As an optimal technical solution of the present invention, the limit assembly also includes two screws slidably connected to the inside of the limit plate. The screws pass through the circulation box and are threadedly connected inside the circulation box. The ends of the screws are fixedly connected to knobs.

[0014] As a preferred technical solution of the present invention, the first connecting pipe passes through the circulation box and is fixedly connected to the circulation box, and the first connecting pipe is placed inside the insulation frame.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] 1. In the present invention, the flue gas is transferred to the inside of the transmission pipe through the vacuum pump, thereby transferring the flue gas to the inside of the conversion tube, so that the heat inside the flue gas heats the water inside the conversion box, and then the flue gas is transferred to the inside of the first connecting pipe, and then the flue gas is transferred to the inside of the smoke dispersion frame, so that the flue gas is transferred to the bottom of the conversion box through the smoke dispersion frame, thereby performing a secondary conversion on the heat inside the flue gas and keeping the water inside the conversion box warm, thereby completing the heat conversion and reducing the waste of resources. When the flue gas fills the inside of the circulation box, the water inside the first transducer tube and the second transducer tube can be heated, thereby reducing the time for subsequent water heating.

[0017] 2. In the utility model, the baffle is moved by pulling the handle, thereby driving the activated carbon placement frame, filter cotton and filter screen to move, so that the activated carbon placement frame, filter cotton and filter screen can be replaced, thereby ensuring the filtering effect, thereby ensuring the quality of smoke discharge. When the replacement is completed, the limit plate can be rotated so that the limit plate abuts against the baffle, and then the knob is turned to drive the screw to rotate, thereby fixing the position of the limit plate, thereby fixing the position of the activated carbon placement frame, filter cotton and filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall rear view structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the front view structure of the internal components of the utility model;

[0022] Figure 4 This is a schematic diagram of the disassembled structure of the internal components of the utility model;

[0023] Figure 5 This is a side view of the internal components of the utility model;

[0024] Figure 6 This is a front view structural diagram of some components of the present invention.

[0025] In the figure: 1. Circulation box; 2. Smoke exhaust pipe; 3. Insulation frame; 4. Vacuum pump; 5. Transmission pipe; 6. Conversion box; 7. Support block; 8. Conversion pipe; 9. First connecting pipe; 10. Smoke dispersion frame; 11. Drain pipe; 12. Valve; 13. Water inlet pipe; 14. First transducer pipe; 15. Second connecting pipe; 16. Second transducer pipe; 17. Water supply pipe; 18. Support rod; 19. Slide block; 20. Activated carbon placement frame; 21. Filter cotton; 22. Filter screen; 23. Baffle; 24. Handle; 25. Support seat; 26. Limit plate; 27. Screw; 28. Knob. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1

[0028] like Figure 1~Figure 2 As shown, this embodiment proposes a heat supply device for waste heat recovery in a thermal power plant, including a circulation box 1, the top of the circulation box 1 is connected to a smoke exhaust pipe 2, the outside of the circulation box 1 is fixedly connected to an insulation frame 3, a first energy conversion component is provided inside the circulation box 1, the first energy conversion component includes an air pump 4 fixedly connected to the outside of the circulation box 1, the output end of the air pump 4 is fixedly connected to a transmission pipe 5, the end of the transmission pipe 5 is fixedly connected to a conversion pipe 8, the end of the conversion pipe 8 is fixedly connected to a first connecting pipe 9, the end of the first connecting pipe 9 is connected to a smoke dispersion frame 10, and the bottom of the smoke dispersion frame 10 is fixedly connected to the bottom of the inner cavity of the circulation box 1

[0029] Among them, a water storage assembly is provided on the outside of the transmission pipe 5, and the water storage assembly includes a conversion box 6 fixedly connected to the outside of the transmission pipe 5. The conversion box 6 is penetrated by the first connecting pipe 9. Four support blocks 7 are fixedly connected to the bottom of the conversion box 6. The support blocks 7 penetrate the smoke dispersion frame 10 and are fixedly connected to the bottom of the inner cavity of the circulation box 1.

[0030] The water storage assembly further includes a drain pipe 11 connected to the bottom of the inner cavity of the conversion box 6 , a valve 12 is fixedly connected to the outside of the drain pipe 11 , and the drain pipe 11 passes through the circulation box 1 and is fixedly connected to the circulation box 1 .

[0031] Among them, a second transducer component is arranged inside the circulation box 1, and the second transducer component includes a water inlet pipe 13 fixedly connected to the inside of the circulation box 1. The water inlet pipe 13 runs through the circulation box 1, and the end of the water inlet pipe 13 is fixedly connected to the first transducer tube 14, the end of the first transducer tube 14 is fixedly connected to the second connecting tube 15, and the end of the second connecting tube 15 is fixedly connected to the second transducer tube 16.

[0032] Among them, the second transducer assembly also includes a water supply pipe 17 fixedly connected to the end of the second transducer tube 16. The end of the water supply pipe 17 passes through the conversion box 6 and is connected to the inside of the conversion box 6. The end of the second transducer tube 16 and the end of the first transducer tube 14 are both fixedly connected with a support rod 18.

[0033] The first connecting pipe 9 passes through the circulation box 1 and is fixedly connected to the circulation box 1 . The first connecting pipe 9 is placed inside the heat preservation frame 3 .

[0034] In this embodiment, the flue gas is transmitted to the inside of the transmission pipe 5 by the vacuum pump 4, thereby transmitting the flue gas to the inside of the conversion tube 8, so that the heat inside the flue gas heats the water inside the conversion box 6, and then the flue gas is transmitted to the inside of the first connecting pipe 9, and then the flue gas is transmitted to the inside of the smoke dispersion frame 10, so that the flue gas is transmitted to the bottom of the conversion box 6 through the smoke dispersion frame 10, thereby performing a secondary conversion on the heat inside the flue gas and keeping the water inside the conversion box 6 warm, thereby completing the heat conversion, thereby reducing the waste of resources. When the flue gas fills the inside of the circulation box 1, the water inside the first transducer tube 14 and the second transducer tube 16 can be heated, thereby reducing the time for subsequent water heating.

[0035] Example 2

[0036] like Figures 3 to 6 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes a heating device for waste heat recovery in a thermal power plant, wherein a filter assembly is provided inside the circulation box 1, and the filter assembly includes six slide blocks 19 fixedly connected to the inside of the circulation box 1, and the six slide blocks 19 are divided into three groups. The first group of slide blocks 19 are slidably connected to the inside of an activated carbon placement frame 20, the second group of slide blocks 19 are slidably connected to the inside of a filter cotton 21, and the third group of slide blocks 19 are slidably connected to the inside of a filter net 22. The activated carbon placement frame 20, the filter cotton 21 and the filter net 22 all pass through the circulation box 1 and are slidably connected to the circulation box 1.

[0037] The filter assembly further includes three baffles 23 fixedly connected to the ends of the activated carbon placement frame 20 , the filter cotton 21 and the filter mesh 22 , respectively. A handle 24 is fixedly connected to the outer side of the baffle 23 .

[0038] Among them, two limit assemblies are set on the outside of the circulation box 1. The limit assemblies include two support seats 25 fixedly connected to the outside of the circulation box 1. A rotating shaft is fixedly connected between the two support seats 25, and a limit plate 26 is rotatably connected to the outside of the rotating shaft.

[0039] The limiting assembly further includes two screws 27 slidably connected to the inside of the limiting plate 26 . The screws 27 penetrate the circulation box 1 and are threadedly connected inside the circulation box 1 . The ends of the screws 27 are fixedly connected to knobs 28 .

[0040] In this embodiment, by pulling the handle 24, the baffle 23 is driven to move, thereby driving the activated carbon placement frame 20, the filter cotton 21 and the filter screen 22 to move, so that the activated carbon placement frame 20, the filter cotton 21 and the filter screen 22 can be moved and replaced, thereby ensuring the filtering effect, thereby ensuring the quality of the smoke when it is discharged. When the replacement is completed, the limit plate 26 can be rotated to make the limit plate 26 abut against the baffle 23, and then the knob 28 is rotated to drive the screw 27 to rotate, thereby fixing the position of the limit plate 26, thereby fixing the position of the activated carbon placement frame 20, the filter cotton 21 and the filter screen 22.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heat supply device for waste heat recovery in a thermal power plant, comprising a circulation box (1), characterized in that: The top of the circulation box (1) is connected to a smoke exhaust pipe (2), the outside of the circulation box (1) is fixedly connected to an insulation frame (3), and a first transducer component is provided inside the circulation box (1), the first transducer component includes an air pump (4) fixedly connected to the outside of the circulation box (1), the output end of the air pump (4) is fixedly connected to a transmission pipe (5), the end of the transmission pipe (5) is fixedly connected to a conversion pipe (8), the end of the conversion pipe (8) is fixedly connected to a first connecting pipe (9), the end of the first connecting pipe (9) is connected to a smoke dispersion frame (10), and the bottom of the smoke dispersion frame (10) is fixedly connected to the bottom of the inner cavity of the circulation box (1).

2. A heat supply device for waste heat recovery in a thermal power plant according to claim 1, characterized in that: A water storage assembly is provided on the outside of the transmission pipe (5), and the water storage assembly includes a conversion box (6) fixedly connected to the outside of the transmission pipe (5), the conversion box (6) is penetrated by a first connecting pipe (9), and four support blocks (7) are fixedly connected to the bottom of the conversion box (6), and the support blocks (7) penetrate the smoke dispersion frame (10) and are fixedly connected to the bottom of the inner cavity of the circulation box (1).

3. The heat supply device for waste heat recovery in a thermal power plant according to claim 2, characterized in that: The water storage assembly further comprises a drainage pipe (11) connected to the bottom of the inner cavity of the conversion box (6), a valve (12) being fixedly connected to the outside of the drainage pipe (11), and the drainage pipe (11) passes through the circulation box (1) and is fixedly connected to the circulation box (1).

4. The heat supply device for waste heat recovery in a thermal power plant according to claim 1, characterized in that: A second transducer assembly is provided inside the circulation box (1), and the second transducer assembly includes a water inlet pipe (13) fixedly connected to the inside of the circulation box (1), the water inlet pipe (13) passes through the circulation box (1), the end of the water inlet pipe (13) is fixedly connected to the first transducer tube (14), the end of the first transducer tube (14) is fixedly connected to the second connecting tube (15), and the end of the second connecting tube (15) is fixedly connected to the second transducer tube (16).

5. The heat supply device for waste heat recovery in a thermal power plant according to claim 4, characterized in that: The second transducer assembly further comprises a water supply pipe (17) fixedly connected to the end of the second transducer tube (16), the end of the water supply pipe (17) passing through the conversion box (6) and communicating with the interior of the conversion box (6), and the end of the second transducer tube (16) and the end of the first transducer tube (14) are both fixedly connected to a support rod (18).

6. The heat supply device for waste heat recovery in a thermal power plant according to claim 1, characterized in that: A filter assembly is provided inside the circulation box (1), and the filter assembly includes six slide blocks (19) fixedly connected to the inside of the circulation box (1). The six slide blocks (19) are divided into three groups. The first group of slide blocks (19) are internally slidably connected to an activated carbon placement frame (20), the second group of slide blocks (19) are internally slidably connected to a filter cotton (21), and the third group of slide blocks (19) are internally slidably connected to a filter net (22). The activated carbon placement frame (20), the filter cotton (21) and the filter net (22) all pass through the circulation box (1) and are slidably connected to the circulation box (1).

7. The heat supply device for waste heat recovery in a thermal power plant according to claim 6, characterized in that: The filter assembly further comprises three baffles (23) respectively fixedly connected to the ends of the activated carbon placement frame (20), the filter cotton (21) and the filter screen (22), and a handle (24) is fixedly connected to the outside of the baffles (23).

8. The heat supply device for waste heat recovery in a thermal power plant according to claim 1, characterized in that: Two limit assemblies are provided on the outside of the circulation box (1), and the limit assemblies include two support seats (25) fixedly connected to the outside of the circulation box (1). A rotating shaft is fixedly connected between the two support seats (25), and the outside of the rotating shaft is rotatably connected to a limit plate (26).

9. The heat supply device for waste heat recovery in a thermal power plant according to claim 8, characterized in that: The limiting assembly further comprises two screw rods (27) slidably connected to the inside of the limiting plate (26), the screw rods (27) passing through the circulation box (1) and being threadedly connected inside the circulation box (1), and the ends of the screw rods (27) are fixedly connected to knobs (28).

10. The heat supply device for waste heat recovery in a thermal power plant according to claim 1, characterized in that: The first connecting pipe (9) passes through the circulation box (1) and is fixedly connected to the circulation box (1), and the first connecting pipe (9) is placed inside the heat preservation frame (3).

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