A spray dust suppression device for working in the confined space of a power plant boiler

Abstract

The present invention discloses a spray dust reduction device for operation in the confined space of a power plant boiler, including a boiler body and a circular ring frame; the circular ring frame is arranged inside the boiler body to support the device components, and the circular ring frame is provided with a device fixing component, an adjustable spray component, a water adding and dismounting component, and a dust reduction auxiliary component; the present invention relates to the technical field of boiler dust reduction and has the following beneficial effects: when dust reduction is carried out in this case, the adjustable spray component can spray water mist to various parts inside the furnace, and then the sponge layer will adsorb the water mist with dust, and then it can be taken out of the furnace with the device. At the same time, if the size of the device is smaller than the volume of the furnace, the dust reduction auxiliary component can be used to adsorb the dust in the remaining space inside the furnace through the dust-proof net with adhesive while being inserted with the device. In summary, the device can prevent water accumulation problems while achieving comprehensive dust reduction.

Description

Technical Field

[0001] The present invention relates to the technical field of boiler dust reduction, and particularly to a spray dust reduction device for working in the enclosed space of a power plant boiler. Background Art

[0002] In a thermal power plant, a large amount of coal ash and soot is generated in the furnace after the boiler device is used. When in-furnace maintenance is required, the inside of the furnace needs to be dusted to better carry out maintenance lighting work. However, direct watering will cause water accumulation in the boiler, which is inconvenient for cleaning. Summary of the Invention

[0003] To achieve the above object, the present invention is realized through the following technical solutions: A spray dust reduction device for working in the enclosed space of a power plant boiler, including a boiler body and a circular ring frame; the circular ring frame is arranged inside the boiler body to support the device components, and the circular ring frame is provided with a device fixing component, an adjustable spray component, a water adding and detachable component, and a dust reduction assisting component;

[0004] Among them, the device fixing component includes: a storage groove, an electric push rod, and a rubber ball;

[0005] The storage groove is opened on the surface of the circular ring frame, the electric push rod is installed in the storage groove, and the rubber ball is connected to the telescopic end of the electric push rod;

[0006] The adjustable spray component includes: a rotating groove, a wheel groove, a rotating ring, an electric wheel, a driving groove, a driver, a hinge seat, a motor box, a rotating motor, a bracket, a nozzle, a water delivery pipe, a water tank, and a water pump;

[0007] The rotating groove and the wheel groove are opened inside the circular ring frame and communicate with each other. The rotating ring is stuck in the wheel groove. The electric wheel is arranged in the rotating groove and connected to the side of the rotating ring. The driving groove is opened in the rotating ring. The driver is installed in the driving groove. The hinge seat is connected to the output end of the driver and arranged on the inner ring surface of the rotating ring. The bracket is installed on the hinge seat. The nozzle is installed on the bracket. The water tank is installed on the inner ring wall surface of the circular ring frame. The water pump is installed at the bottom of the water tank and connected to the water storage pipe inside the water tank. The water delivery pipe is connected between the water pump and the nozzle;

[0008] The water adding and detachable component includes: a sliding groove, a rotating ring, a threaded ring, a circular ring slide rail, and a threaded column;

[0009] The sliding groove is opened at the upper end of the side of the water tank opening. The rotating ring is installed in the sliding groove through the circular ring slide rail. The threaded column is fixedly installed on the inner ring wall surface of the rotating ring. The threaded ring can be screwed onto the threaded column;

[0010] The dust-removing auxiliary component includes: a buckle groove, a clamping buckle, a spring group, a dust-proof net, and an adhesive sticker;

[0011] The buckle groove is opened inside the circular ring frame. The clamping buckle is installed in the buckle groove. The spring group is installed between the clamping buckle and the side wall surface of the buckle groove. The clamping buckle clamps the dust-proof net, and the adhesive sticker is arranged on the surface of the dust-proof net;

[0012] The dust-removing auxiliary component is arranged at the front and rear ends of the circular ring frame, and the dust-proof net can be divided into two halves for clamping.

[0013] Preferably, the outer shell of the circular ring frame can be changed in size and shape according to the model of the boiler and the shape of the inner cavity of the boiler, but the inner surface of the circular ring frame remains arc-shaped.

[0014] Preferably, the width of the dust-proof net can be determined according to the remaining width around the device after it is fixed.

[0015] Preferably, bellows are connected to both ends of the water delivery pipe.

[0016] Preferably, a storage battery is connected to the water pump.

[0017] Preferably, a sponge layer is provided on the inner wall surface of the circular ring frame.

[0018] Beneficial effects

[0019] The spray dust-removing device for closed-space operation of a power plant boiler of the present invention has the following beneficial effects:

[0020] During dust removal in this case, the adjustable spray component can spray water mist to various parts inside the furnace, and then the sponge layer will adsorb the water mist with dust, and then it can be taken out of the furnace with the device. At the same time, if the size of the device is smaller than the volume of the furnace, the dust-removing auxiliary component can be used to adsorb the dust in the remaining space inside the furnace through the dust-proof net with adhesive while the device is inserted. In summary, the device can achieve comprehensive dust removal while preventing water accumulation problems. Description of the drawings

[0021] Figure 1 It is a front view structural schematic diagram of the spray dust-removing device for closed-space operation of a power plant boiler described in the present invention

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the appearance of the spray dust-removing device for closed-space operation of a power plant boiler described in the present invention.

[0023] Figure 3 It is for the spray dust-removing device for closed-space operation of a power plant boiler described in the present invention Figure 1Partial enlarged schematic view of the adjustable spray assembly at A.

[0024] Figure 4 Schematic diagram of the cooperation structure of the water tank and the water pump of a spray dust suppression device for closed - space operation of power plant boilers according to the present invention.

[0025] Figure 5 A spray dust suppression device for closed - space operation of power plant boilers according to the present invention Figure 4 Partial enlarged schematic view of the water - adding and disassembly component at D.

[0026] Figure 6 A spray dust suppression device for closed - space operation of power plant boilers according to the present invention Figure 1 Partial enlarged schematic view of the adjustable spray assembly at C.

[0027] Figure 7 Schematic sectional view of the dust suppression auxiliary component of a spray dust suppression device for closed - space operation of power plant boilers according to the present invention.

[0028] Figure 8 A spray dust suppression device for closed - space operation of power plant boilers according to the present invention Figure 7 Partial enlarged schematic view of the adjustable spray assembly at B.

[0029] Figure 9 A spray dust suppression device for closed - space operation of power plant boilers according to the present invention Figure 1 Partial enlarged schematic view of the dust suppression auxiliary component at D.

[0030] In the figure: 1. Boiler body; 2. Receiving groove; 3. Electric push rod; 4. Rubber ball; 5. Rotating groove; 6. Wheel groove; 7. Rotating ring; 8. Electric wheel; 9. Driving groove; 10. Driver; 11. Hinge seat; 12. Motor box; 13. Rotating motor; 14. Bracket; 15. Nozzle; 16. Water delivery pipe; 17. Water tank; 18. Water pump; 19. Sliding groove; 20. Rotating ring; 21. Threaded ring; 22. Circular ring slide rail; 23. Threaded column; 24. Buckle groove; 25. Clamping buckle; 26. Spring group; 27. Dust - proof net; 28. Adhesive sticker; 29. Circular ring frame Detailed implementation manners

[0031] Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figure 1-9 , the present invention provides a technical solution.

[0033] A spray dust suppression device for operation in the enclosed space of a power plant boiler, comprising a boiler body 1 and a circular ring frame 29; the circular ring frame 29 is arranged inside the boiler body 1 to support the device components, and the circular ring frame 29 is provided with a device fixing component, an adjustable spray component, a water adding and disassembling component, and a dust suppression auxiliary component;

[0034] Among them, the device fixing component includes: a storage groove 2, an electric push rod 3, and a rubber ball 4;

[0035] The storage groove 2 is opened on the surface of the circular ring frame 29, the electric push rod 3 is installed in the storage groove 2, and the rubber ball 4 is connected to the telescopic end of the electric push rod 3;

[0036] It should be noted that when the device needs to be fixed in the furnace, after the circular ring frame 29 is extended into the furnace, the rubber ball 4 is pushed against the inner wall of the furnace by the electric push rod 3, so as to realize the fixation of the device;

[0037] The adjustable spray component includes: a rotating groove 5, a wheel groove 6, a rotating ring 7, an electric wheel 8, a driving groove 9, a driver 10, a hinge seat 11, a motor box 12, a rotating motor 13, a bracket 14, a nozzle 15, a water delivery pipe 16, a water tank 17, and a water pump 18;

[0038] The rotating groove 5 and the wheel groove 6 are opened inside the circular ring frame 29 and communicate with each other. The rotating ring 7 is stuck on the wheel groove 6. The electric wheel 8 is arranged in the rotating groove 5 and connected to the side of the rotating ring 7. The driving groove 9 is opened inside the rotating ring 7. The driver 10 is installed in the driving groove 9. The hinge seat 11 is connected to the output end of the driver 10 and arranged on the inner ring surface of the rotating ring 7. The bracket 14 is installed on the hinge seat 11. The nozzle 15 is installed on the bracket 14. The water tank 17 is installed on the inner ring wall surface of the circular ring frame 29. The water pump 18 is installed at the bottom of the water tank 17 and connected to the water storage pipe inside the water tank 17. The water delivery pipe 16 is connected between the water pump 18 and the nozzle 15;

[0039] It should be noted that during the spraying operation, the driver 10 drives the hinge seat 11 to rotate and adjust, so that the hinge seat 11 can swing left and right. The rotating motor 13 can drive the bracket 14 and the nozzle 15 on the hinge seat 11 to swing. The water pump 18 can transmit the water in the water tank 17 to the nozzle 15 through the water delivery pipe 16 for spraying. The electric wheel 8 drives the rotating ring 7 to rotate in the rotating groove 5, so that the spraying range is more comprehensive;

[0040] The water adding and disassembling component includes: a sliding groove 19, a rotating ring 20, a threaded ring 21, a circular ring slide rail 22, and a threaded column 23;

[0041] The chute 19 is opened at the upper end of the side of the opening of the water tank 17. The rotating ring 20 is installed in the chute 19 through the circular ring slide rail 22. The threaded column 23 is fixedly installed on the inner wall surface of the inner ring of the rotating ring 7. The threaded ring 21 can be screwed onto the threaded column 23;

[0042] It should be noted that when replenishing water to the water tank 17, by rotating the rotating ring 20, the rotating ring 20 drives the circular ring slide rail 22 to rotate in the chute 19. At the same time, the rotating ring 20 can drive the threaded ring 21 to rotate down the threaded column 23, and then the inner tank of the water tank 17 can be filled with water;

[0043] The dust reduction auxiliary component includes: a buckle groove 24, a clamping buckle 25, a spring group 26, a dust-proof net 27, and an adhesive sticker 28;

[0044] The buckle groove 24 is opened inside the circular ring frame 29. The clamping buckle 25 is installed in the buckle groove 24. The spring group 26 is installed between the clamping buckle 25 and the side wall surface of the buckle groove 24. The clamping buckle 25 clamps the dust-proof net 27, and the adhesive sticker 28 is arranged on the surface of the dust-proof net 27;

[0045] It should be noted that during installation, the clamping buckle 25 can clamp the dust-proof net 27 through the resilience of the spring group 26. The adhesive sticker 28 can adsorb dust well. After the dust-proof net 27 is clamped, as the device enters the furnace chamber, the adhesive sticker 28 helps the dust-proof net 27 to adsorb the dust around the outside of the circular ring frame 29 in the furnace;

[0046] The dust reduction auxiliary component is arranged at the front and rear ends of the circular ring frame 29. The dust-proof net 27 can be divided into two halves for clamping;

[0047] It should be noted that the dust-proof net 27 divided into two halves for clamping can make the clamping more convenient.

[0048] Preferably, furthermore, the outer shell of the circular ring frame 29 can be changed in size and shape according to the model of the boiler and the shape of the inner chamber of the boiler, but the inner surface of the circular ring frame 29 remains arc-shaped.

[0049] It should be noted that the circular ring frame 29 whose size and shape are changed according to the shape of the inner chamber of the boiler can make the device fit snugly in the furnace chamber.

[0050] Preferably, furthermore, the width of the dust-proof net 27 can be determined according to the remaining width around the device after it is fixed.

[0051] It should be noted that the dust-proof net 27 determined according to the remaining width around the device after it is fixed can adsorb the dust around the outside of the circular ring frame 29 in the furnace more comprehensively.

[0052] Preferably, furthermore, bellows are connected to both ends of the water delivery pipe 16.

[0053] It should be noted that the stretchability of the bellows can help the water delivery pipe 16 to extend so as to cooperate with the swing of the nozzle 15.

[0054] Preferably, furthermore, a storage battery is connected to the water pump 18.

[0055] It should be noted that the storage battery can supply power to the water pump 18 without wire connection.

[0056] Preferably, furthermore, a sponge layer is provided on the inner wall surface of the circular ring frame 29.

[0057] It should be noted that the sponge layer can adsorb the water mist with dust and can better carry the dust out of the furnace chamber.

[0058] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand 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 spray dust suppression device for working in the confined space of a power plant boiler, comprising a boiler body (1) and a circular ring frame (29); the circular ring frame (29) is arranged inside the boiler body (1) to support the device components. Characterized in that, The circular ring frame (29) is provided with a device fixing component, an adjustable spray component, a water adding and dismounting component, and a dust suppression auxiliary component; Among them, the device fixing component includes: a storage groove (2), an electric push rod (3), and a rubber ball (4); The storage groove (2) is opened on the surface of the circular ring frame (29), the electric push rod (3) is installed in the storage groove (2), and the rubber ball (4) is connected to the telescopic end of the electric push rod (3); The adjustable spray component includes: a rotating groove (5), a wheel groove (6), a rotating ring (7), an electric wheel (8), a driving groove (9), a driver (10), a hinge seat (11), a motor box (12), a rotating motor (13), a bracket (14), a nozzle (15), a water delivery pipe (16), a water tank (17), and a water pump (18); The rotating groove (5) and the wheel groove (6) are opened inside the circular ring frame (29) and communicate with each other. The rotating ring (7) is stuck on the wheel groove (6). The electric wheel (8) is arranged in the rotating groove (5) and connected to the side of the rotating ring (7). The driving groove (9) is opened inside the rotating ring (7). The driver (10) is installed in the driving groove (9). The hinge seat (11) is connected to the output end of the driver (10) and arranged on the inner ring surface of the rotating ring (7). The bracket (14) is installed on the hinge seat (11). The nozzle (15) is installed on the bracket (14). The water tank (17) is installed on the inner ring wall surface of the circular ring frame (29). The water pump (18) is installed at the bottom of the water tank (17) and connected to the water storage pipe inside the water tank (17). The water delivery pipe (16) is connected between the water pump (18) and the nozzle (15); The water adding and dismounting component includes: a sliding groove (19), a rotating ring (20), a threaded ring (21), a circular ring slide rail (22), and a threaded column (23); The sliding groove (19) is opened at the upper end of the side of the opening of the water tank (17). The rotating ring (20) is installed in the sliding groove (19) through the circular ring slide rail (22). The threaded column (23) is fixedly installed on the inner ring wall surface of the rotating ring (7). The threaded ring (21) can be screwed on the threaded column (23); The dust suppression auxiliary component includes: a buckle groove (24), a clamping buckle (25), a spring group (26), a dust-proof net (27), and an adhesive sticker (28); The buckle groove (24) is opened inside the circular ring frame (29). The clamping buckle (25) is installed in the buckle groove (24). The spring group (26) is installed between the clamping buckle (25) and the side wall surface of the buckle groove (24). The clamping buckle (25) clamps the dust-proof net (27). The adhesive sticker (28) is arranged on the surface of the dust-proof net (27); The dust suppression auxiliary component is arranged at the front and rear ends of the circular ring frame (29), and the dust-proof net (27) can be divided into two halves for clamping.

2. A spray dust suppression device for operation in the enclosed space of a power plant boiler according to claim 1, characterized in that, the outer shell of the ring frame (29) can be changed in size and shape according to the model of the boiler and the shape of the inner chamber of the boiler, but the inner surface of the ring frame (29) remains arc-shaped.

3. A spray dust suppression device for operation in the enclosed space of a power plant boiler according to claim 1, characterized in that, the width of the dust-proof net (27) can be determined according to the remaining width around the device after it is fixed.

4. A spray dust suppression device for operation in the enclosed space of a power plant boiler according to claim 1, characterized in that, bellows are connected to both ends of the water delivery pipe (16).

5. A spray dust suppression device for operation in the enclosed space of a power plant boiler according to claim 1, characterized in that, a storage battery is connected to the water pump (18).

6. A spray dust suppression device for operation in the enclosed space of a power plant boiler according to claim 1, characterized in that, a sponge layer is provided on the inner wall surface of the ring frame (29).

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