Air supply device for boiler of thermal power plant

Abstract

A thermal power plant boiler air supply device comprises a supporting frame and a fan body, a rotating assembly is arranged on the supporting frame, an adjusting assembly is arranged on the rotating assembly, the fan body is arranged on the adjusting assembly, and a filtering assembly is arranged on the fan body; the boiler air supply device of the thermal power plant relates to the technical field of thermal power plant equipment and has the advantages that a motor in a rotating assembly can drive a rotating gear to rotate, an incomplete gear drives a rotating block to rotate on a supporting frame through a rotating shaft under the action of the rotating gear, and the rotating block rotates on the supporting frame through the rotating shaft. The problems that in the background technology, an existing combustion fan of the thermal power boiler is not convenient to adjust the angle of the existing combustion fan and is low in practicability are solved.

Description

Technical Field

[0001] This utility model relates to the field of thermal power plant equipment technology, specifically to a boiler air supply device for thermal power plants. Background Technology

[0002] A thermal power plant is a factory that uses combustible materials as fuel to produce electricity. It requires a boiler, which is an energy conversion device. The energy input to the boiler includes the chemical energy of the fuel and electrical energy. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of heat energy.

[0003] Combustion fans for thermal power boilers serve as equipment for supplying air to the boiler, and their function is to assist combustion. They can continuously draw in external air after being powered on, and then deliver it to the interior of the thermal power boiler through the air outlet. Existing combustion fans for thermal power boilers are not convenient to adjust their own angle, and their practicality is low. In view of this, this case came into being. Utility Model Content

[0004] In order to solve the above-mentioned problems in the existing technology, the purpose of this utility model is to provide a boiler air supply device for thermal power plants.

[0005] The technical solution adopted in this utility model is as follows:

[0006] A boiler air supply device for a thermal power plant includes a support frame and a fan body. The support frame is provided with a rotating component and an adjusting component. The fan body is mounted on the adjusting component and a filter component. The rotating component includes a rotating shaft, which is movably mounted on the support frame. A rotating block is provided on the rotating shaft, and a drive component is provided on the rotating block.

[0007] As a preferred embodiment of this invention, the support frame is provided with pads.

[0008] As a preferred embodiment of the present invention, the drive assembly includes a motor and an incomplete gear. The motor is mounted on the support frame, and the motor drive end is provided with a rotating gear. The incomplete gear is mounted on the rotating block and meshes with the rotating gear.

[0009] As a preferred embodiment of this invention, the motor is fixed to the support frame by bolts.

[0010] Preferably, the adjusting assembly includes a fixed plate and a sleeve. The fixed plate is mounted on the rotating block, and the sleeve is mounted on the fixed plate. A rack is movably disposed inside the sleeve. A movable plate is disposed at the end of the rack away from the fixed plate. A placement plate is disposed on the movable plate. The fan body is mounted on the placement plate. A vertical plate is disposed on the fixed plate. A rotating shaft is movably disposed on the vertical plate. A rotating gear is disposed at one end of the rotating shaft and meshes with the rack. A rotating plate is disposed at the end of the rotating shaft away from the rotating gear. A threaded hole is disposed on the vertical plate, and a bolt is movably disposed on the rotating plate.

[0011] As a preferred embodiment of this invention, the fixing plate is provided with a telescopic rod.

[0012] As a preferred embodiment of the present invention, the filter assembly includes a fixing ring and a filter plate. The fixing ring is installed on the fan body and has a locking hole. The filter plate has a placement groove and a sliding plate is movably disposed in the placement groove. One end of the sliding plate has a locking block and one end of the locking block penetrates the side wall of the placement groove. A spring is disposed in the placement groove and the spring is connected to the sliding plate.

[0013] As a preferred embodiment of this invention, the card hole is adapted to the card block.

[0014] The beneficial effects of this utility model are as follows: As a boiler air supply device for thermal power plants, this utility model can drive the rotating gear to rotate through the motor in the rotating component. The incomplete gear drives the rotating block to rotate on the support frame through the rotating shaft under the action of the rotating gear, thereby adjusting the angle of the fan body. This solves the problem in the background art that the existing combustion fans of thermal power boilers are not easy to adjust their own angle and have low practicality. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the main structure of a boiler air supply device for a thermal power plant according to the present invention.

[0017] Figure 2 This is a side view of the structure of a boiler air supply device for a thermal power plant according to the present invention.

[0018] Figure 3 This is a schematic diagram of the sleeve and rack and pinion meshing structure of a boiler air supply device for a thermal power plant according to the present invention;

[0019] Figure 4 This is a schematic diagram of the fixing ring and filter plate mating structure of a boiler air supply device for a thermal power plant according to the present invention.

[0020] In the diagram: 1. Support frame, 2. Motor, 3. Rotating gear, 4. Rotating shaft, 5. Rotating block, 6. Incomplete gear, 7. Fixed plate, 8. Sleeve, 9. Rack, 10. Moving plate, 11. Vertical plate, 12. Rotating shaft, 13. Rotating gear, 14. Rotating plate, 15. Bolt, 16. Threaded hole, 17. Telescopic rod, 18. Placement plate, 19. Fan body, 20. Fixed ring, 21. Locking hole, 22. Filter plate, 23. Placement groove, 24. Sliding plate, 25. Locking block, 26. Spring. Detailed Implementation

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention. That is, the embodiments described herein are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein can be arranged and designed in a variety of different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.

[0023] The following combination Figure 1-4 The present invention describes a specific embodiment of a boiler air supply device for a thermal power plant, comprising a support frame 1 and a fan body 19. The support frame 1 is provided with a rotating component, and the rotating component is provided with an adjusting component. The fan body 19 is mounted on the adjusting component and is provided with a filter component. The rotating component includes a rotating shaft 4, which is movably mounted on the support frame 1. The rotating shaft 4 is provided with a rotating block 5, and the rotating block 5 is provided with a driving component. The rotating shaft can drive the rotating block 5 to rotate on the support frame 1.

[0024] Advantageously, the support frame 1 is provided with several pads, which are symmetrically arranged on the lower wall of the support frame 1. The several pads can make the support frame 1 fixed and stable.

[0025] Advantageously, the drive assembly includes a motor 2 and an incomplete gear 6. The motor 2 is mounted on the support frame 1, and the drive end of the motor 2 is provided with a rotating gear 3. The incomplete gear 6 is mounted on the rotating block 5 and meshes with the rotating gear 3. The motor 2 can drive the rotating gear 3 to rotate, and the incomplete gear 6 drives the rotating block 5 to rotate on the support frame 1 through the rotating shaft 4 under the action of the rotating gear 3.

[0026] Advantageously, the motor 2 is fixed to the support frame 1 by bolts, which facilitates the installation and removal of the motor 2 on the support frame 1.

[0027] Advantageously, the adjusting assembly includes a fixed plate 7 and a sleeve 8. The fixed plate 7 is mounted on the rotating block 5, and the sleeve 8 is mounted on the fixed plate 7. A rack 9 is movably disposed within the sleeve 8. A movable plate 10 is disposed at one end of the rack 9 away from the fixed plate 7. A placement plate 18 is disposed on the movable plate 10. The fan body 19 is mounted on the placement plate 18. A vertical plate 11 is disposed on the fixed plate 7. A rotating shaft 12 is movably disposed on the vertical plate 11. A rotating gear 13 is disposed at one end of the rotating shaft 12 and meshes with the rack 9. The rotating shaft 12 is located away from the fixed plate 7. A rotating plate 14 is provided at one end of the rotating gear 13. A threaded hole 16 is provided on the vertical plate 11. A bolt 15 is movably provided on the rotating plate 14. When the rotating plate 14 is rotated, the rotating plate 14 drives the rotating shaft 12 to rotate on the vertical plate 11. The rotating gear 13 rotates under the action of the rotating shaft 12. The rack 9 moves inside the sleeve 8 under the action of the rotating gear 13. The moving plate 10 moves with the rack 9. The placement plate 18 moves under the action of the moving plate 10. It stops after moving a suitable distance. The bolt 15 on the rotating plate 14 is rotated. The bolt 15 enters the threaded hole 16 on the vertical plate 11, thereby limiting the position of the rotating plate 14.

[0028] Advantageously, the fixed plate 7 is provided with telescopic rods 17. There are four telescopic rods 17, which are symmetrically arranged in pairs on the fixed plate 7, and the telescopic ends are connected to the placement plate 18. The telescopic rods 17 move with the placement plate 18, making it more stable when moving.

[0029] Advantageously, the filter assembly includes a fixing ring 20 and a filter plate 22. The fixing ring 20 is mounted on the fan body 19 and has a locking hole 21. The filter plate 22 has a placement groove 23 and a sliding plate 24 is movably disposed in the placement groove 23. One end of the sliding plate 24 has a locking block 25 and one end of the locking block 25 penetrates the side wall of the placement groove 23. A spring 26 is disposed in the placement groove 23 and is connected to the sliding plate 24. The locking hole 21, the placement groove 23, the sliding plate 24, and the locking block 25 are all provided in pairs. There are four springs 26, which are symmetrically arranged in pairs in the placement groove 23. The sliding plate 24 slides in the placement groove 23 under the action of the spring 26. The locking block 25 moves into the locking hole 21 in the fixing ring 20 under the action of the sliding plate 24, thereby fixing the filter plate 22 in the fixing ring 20.

[0030] Advantageously, the card hole 21 is adapted to the card block 25, and the adapted card block 25 can be stably placed in the card hole 21, so that the filter plate 22 is stable when it is fixed in the fixing ring 20.

[0031] Working principle of this utility model:

[0032] First, place the fan body 19 on the placement plate 18, rotate the rotating plate 14, and the rotating plate 14 drives the rotating shaft 12 to rotate on the vertical plate 11. The rotating gear 13 rotates under the action of the rotating shaft 12, and the rack 9 moves inside the sleeve 8 under the action of the rotating gear 13. The moving plate 10 moves with the rack 9, and the placement plate 18 moves under the action of the moving plate 10. Stop moving after a suitable distance, rotate the bolt 15 on the rotating plate 14, and the bolt 15 enters the threaded hole 16 on the vertical plate 11, thereby limiting the rotation plate 14 and facilitating the control of the height of the fan body 19. The drive motor 2 can drive the rotating gear 3 to rotate, and the incomplete gear 6 rotates the rotating gear. Under the action of 3, the rotating block 5 is driven to rotate on the support frame 1 through the rotating shaft 4, thereby adjusting the angle of the fan body 19. The filter plate 22 can filter the gas drawn into the fan body 19. When the filter plate 22 needs to be replaced, the sliding plate 24 slides in the placement groove 23, the spring 26 is compressed, and the locking block 25 moves away from the locking hole 21 of the fixing ring 20 along with the sliding plate 24, so that the filter plate 22 can be removed from the fixing ring 20. After the replacement is completed, the sliding plate 24 slides in the placement groove 23 under the action of the spring 26, and the locking block 25 moves into the locking hole 21 in the fixing ring 20 under the action of the sliding plate 24, so that the filter plate 22 can be fixed in the fixing ring 20.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A boiler air supply device for a thermal power plant, characterized in that, The device includes a support frame (1) and a fan body (19). The support frame (1) is provided with a rotating component and an adjusting component. The fan body (19) is mounted on the adjusting component and a filter component. The rotating component includes a rotating shaft (4) which is movably mounted on the support frame (1). The rotating shaft (4) is provided with a rotating block (5) and a driving component is provided on the rotating block (5).

2. The boiler air supply device for a thermal power plant according to claim 1, characterized in that, The support frame (1) is provided with pads.

3. The boiler air supply device for a thermal power plant according to claim 1, characterized in that, The drive assembly includes a motor (2) and an incomplete gear (6). The motor (2) is mounted on the support frame (1). The drive end of the motor (2) is provided with a rotating gear (3). The incomplete gear (6) is mounted on the rotating block (5) and meshes with the rotating gear (3).

4. The boiler air supply device for a thermal power plant according to claim 3, characterized in that, The motor (2) is fixed to the support frame (1) by bolts (15).

5. The boiler air supply device for a thermal power plant according to claim 1, characterized in that, The adjustment assembly includes a fixed plate (7) and a sleeve (8). The fixed plate (7) is mounted on the rotating block (5), and the sleeve (8) is mounted on the fixed plate (7). A rack (9) is movably provided inside the sleeve (8). A movable plate (10) is provided at one end of the rack (9) away from the fixed plate (7). A placement plate (18) is provided on the movable plate (10). The fan body (19) is mounted on the placement plate (18). A vertical plate (11) is provided on the fixed plate (7). A rotating shaft (12) is movably provided on the vertical plate (11). A rotating gear (13) is provided at one end of the rotating shaft (12) and meshes with the rack (9). A rotating plate (14) is provided at one end of the rotating shaft (12) away from the rotating gear (13). A threaded hole (16) is provided on the vertical plate (11), and a bolt (15) is movably provided on the rotating plate (14).

6. The boiler air supply device for a thermal power plant according to claim 5, characterized in that, The fixed plate (7) is provided with a telescopic rod (17).

7. The boiler air supply device for a thermal power plant according to claim 1, characterized in that, The filter assembly includes a fixing ring (20) and a filter plate (22). The fixing ring (20) is installed on the fan body (19). The fixing ring (20) has a locking hole (21). The filter plate (22) has a placement groove (23). A sliding plate (24) is movably disposed in the placement groove (23). One end of the sliding plate (24) has a locking block (25) and one end of the locking block (25) penetrates the side wall of the placement groove (23). A spring (26) is disposed in the placement groove (23) and the spring (26) is connected to the sliding plate (24).

8. A boiler air supply device for a thermal power plant according to claim 7, characterized in that, The card slot (21) is adapted to the card block (25).

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