Ventilation device for thermal power plant

Abstract

The utility model relates to the field of ventilation devices, and discloses a thermal power plant ventilation device which comprises a ventilation structure, the ventilation structure comprises an inner end structure, an outer end structure and a telescopic hose, and one side of the inner end structure is rotationally connected with one side of the outer end structure through a rotating structure. The inner end structure and the outer end structure are fixedly connected to the two ends of the telescopic hose respectively, a steering structure is arranged on one side of the ventilation structure, and by means of the arranged steering structure, when the angle of the air outlet end of the ventilation device needs to be adjusted, the driving motor is controlled to drive the rotating gear to rotate, so that the angle of the air outlet end of the ventilation device is adjusted. The rotating gear and the sliding rod are meshed with each other, so that the whole connecting structure is driven to slide on the surface of the sliding rod, the connecting structure drives the outer end structure to rotate around the rotating structure, the outer end structure and the inner end structure are ventilated at different angles through the telescopic hose, and the directivity and efficiency of air flow are improved.

Description

Technical Field

[0001] The utility model relates to the field of ventilation devices, in particular to a ventilation device for a thermal power plant. Background Art

[0002] Thermal power plant ventilation mainly refers to the air circulation inside the power plant through artificial or natural means during the design and operation of the thermal power plant to prevent overheating in the plant and ensure the safe operation of the thermal power plant.

[0003] According to the Chinese patent authorization announcement: CN219367878U, a thermal power plant ventilation device disclosed relates to the technical field of ventilation devices, including a ventilation pipe, both ends of the outer wall of the ventilation pipe are fixedly connected with a connecting pipe, the interior of the connecting pipe is connected with the interior of the ventilation pipe, a fan is fixedly installed on the inner wall of the connecting pipe, and the inner wall of the ventilation pipe is movably connected with a connecting plate. The utility model starts the fan to transport external air into the ventilation duct through the connecting pipe, so that gas flow is formed in the ventilation duct, and the air guide plate is set to guide the air flow passing through the ventilation duct to the exhaust duct for discharge outside, so that high-speed gas flow is formed on the top of the exhaust duct, and the air pressure difference with the factory building below the exhaust duct is utilized to draw the air in the factory building upward through the exhaust duct, so that the air in the factory building can flow, avoiding the fan from directly participating in the circulation of gas in the factory building, reducing the adhesion and accumulation of dust, and facilitating the long-term and stable use of the utility model. However, the ventilation device still has shortcomings. In practice, if it is necessary to adjust the air outlet angle to adapt to different working conditions or improve efficiency, the operator must replace different air outlet duct ends. This approach is not only time-consuming and labor-intensive, but may also be unable to make rapid adjustments in an emergency, affecting the performance of the ventilation system and the operating efficiency of the thermal power plant. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a thermal power plant ventilation device, which solves the problem that the existing thermal power plant ventilation device is time-consuming and labor-intensive when adjusting the angle of the air outlet end.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a thermal power plant ventilation device, including a ventilation structure, the ventilation structure including an inner end structure, an outer end structure and a telescopic hose, one side of the inner end structure and the outer end structure are rotatably connected to each other through a rotating structure, the inner end structure and the outer end structure are respectively fixedly connected to the two ends of the telescopic hose, one side of the ventilation structure is provided with a steering structure, the steering structure includes a sliding rod and a connecting structure, one side of the inner end structure is fixedly connected to the sliding rod, the sliding rod is an arc structure, one side surface of the outer end structure is fixedly connected to the connecting structure, the inner side surface of the connecting structure is fixedly connected to a driving motor, the output end of the driving motor is transmission-connected to a rotating gear, the sliding rod passes through the connecting structure, and the connecting structure is slidably connected to the surface of the sliding rod;

[0006] A mounting structure is installed at the lower end of the inner end structure, and the mounting structure includes a connecting flange, a connecting block and a connecting groove. Both ends of the lower surface of the inner end structure are fixedly connected with connecting blocks, the outer lower end of the connecting block is fixedly connected with a clamping block, the lower end of the inner end structure is clamped and connected with a connecting flange, connecting grooves are provided on both sides of the upper surface of the connecting flange, and a clamping groove is provided at the lower end of the inner surface of the connecting groove.

[0007] Preferably, the sliding rod and the rotating gear are meshed with each other via a first meshing tooth and a second meshing tooth.

[0008] Preferably, a sealing gasket is fixedly connected to the lower surface of the inner end structure.

[0009] Preferably, a sealing groove is provided on the upper surface of the connecting flange.

[0010] Preferably, the sealing gasket is snap-connected inside the sealing groove.

[0011] Preferably, the sealing gasket is made of sealing rubber material.

[0012] Preferably, the clamping block and the connecting block are slidably connected inside the clamping slot and the connecting slot respectively.

[0013] Preferably, a plurality of mounting screw holes are formed through the surface of the connecting flange, and the connecting flange is fixedly mounted on the air outlet end of the ventilation duct through the mounting screw holes and mounting bolts.

[0014] Beneficial Effects

[0015] The utility model provides a thermal power plant ventilation device. Compared with the prior art, it has the following beneficial effects:

[0016] 1. In the utility model, by setting the steering structure, when the angle of the air outlet end of the ventilation device needs to be adjusted, the driving motor is controlled to drive the rotating gear to rotate, and the rotating gear and the sliding rod are meshed with each other, thereby driving the entire connecting structure to slide on the surface of the sliding rod, so that the connecting structure drives the outer end structure to rotate around the rotating structure, and the outer end structure and the inner end structure are ventilated at different angles through the telescopic hose, thereby improving the directionality and efficiency of the wind flow;

[0017] 2. In the utility model, by means of the provided installation structure, the connecting flange is fixedly installed above the air outlet of the ventilation duct of the thermal power plant through the installation screw holes and the installation bolts. When installing the ventilation structure and the steering structure at the upper end, the connecting block is directly inserted into the interior of the connecting groove. After being inserted to the limit, the inner end structure at the upper end is rotated clockwise to allow the clamping block to enter the interior of the clamping groove, thereby realizing the installation between the two, which greatly facilitates the installation and disassembly process. In addition, the sealing performance of the duct of the ventilation device is increased by the mutual engagement connection between the sealing gasket and the sealing groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a thermal power plant ventilation device proposed by the utility model;

[0019] Figure 2 A thermal power plant ventilation device proposed by the utility model Figure 1 The enlarged view of point A in the middle;

[0020] Figure 3 This is a three-dimensional schematic diagram of the bottom surface of a thermal power plant ventilation device proposed by the utility model;

[0021] Figure 4 The utility model is a three-dimensional schematic diagram of a connecting flange in a ventilation device of a thermal power plant.

[0022] Legend:

[0023] 1. Ventilation structure; 101. Outer end structure; 102. Inner end structure; 103. Telescopic hose; 104. Rotation structure; 2. Steering structure; 201. Sliding rod; 202. First meshing tooth; 203. Connecting structure; 204. Driving motor; 205. Rotating gear; 206. Second meshing tooth; 3. Mounting structure; 301. Sealing gasket; 302. Connecting flange; 303. Sealing groove; 304. Connecting block; 305. Clamping block; 306. Connecting groove; 307. Clamping groove; 308. Mounting screw hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 4 The utility model provides two technical solutions, which specifically include the following embodiments:

[0026] Embodiment 1:

[0027] A thermal power plant ventilation device comprises a ventilation structure 1, wherein the ventilation structure 1 comprises an inner end structure 102, an outer end structure 101 and a telescopic hose 103, wherein the inner end structure 102 and one side of the outer end structure 101 are rotatably connected to each other via a rotating structure 104, and when the outer end structure 101 rotates to the limit toward the inner end structure 102, an air outlet formed by the two ends is vertically upwardly discharged, the inner end structure 102 and the outer end structure 101 are respectively fixedly connected to the two ends of the telescopic hose 103, and one side of the ventilation structure 1 is provided with There is a steering structure 2, which includes a sliding rod 201 and a connecting structure 203. The sliding rod 201 is fixedly connected to one side of the inner end structure 102. The sliding rod 201 is an arc-shaped structure. The connecting structure 203 is fixedly connected to one side surface of the outer end structure 101. The inner surface of the connecting structure 203 is fixedly connected to a driving motor 204. The output end of the driving motor 204 is transmission-connected to a rotating gear 205. The sliding rod 201 passes through the connecting structure 203, and the connecting structure 203 is slidably connected to the sliding rod 201. 01, the sliding rod 201 and the rotating gear 205 are meshed with each other through the first meshing teeth 202 and the second meshing teeth 206. When the driving motor 204 drives the rotating gear 205 to rotate clockwise, the connecting structure 203 and the outer end structure 101 are driven to rotate in the direction away from the inner end structure 102. When the driving motor 204 drives the rotating gear 205 to rotate counterclockwise, the connecting structure 203 and the outer end structure 101 are driven to rotate in the direction close to the inner end structure 102, thereby achieving the purpose of adjusting the air outlet angle. When it is necessary to adjust the angle of the air outlet end of the ventilation device, the rotating gear 205 is driven to rotate by controlling the driving motor 204. The rotating gear 205 and the sliding rod 201 are meshed with each other, thereby driving the entire connecting structure 203 to slide on the surface of the sliding rod 201, so that the connecting structure 203 drives the outer end structure 101 to rotate around the rotating structure 104, and the telescopic hose 103 is used to ventilate the outer end structure 101 and the inner end structure 102 at different angles.

[0028] During operation, the inner end structure 102 and the outer end structure 101 are rotatably connected to each other via the rotating structure 104, and the outer end structure 101 can be rotated to the limit toward the inner end structure 102 to form a vertical upward air outlet. A sliding rod 201 with an arc structure is fixedly connected to one side of the inner end structure 102, and a connecting structure 203 is fixedly connected to the surface of one side of the outer end structure 101. When the driving motor 204 drives the rotating gear 205 to rotate clockwise, the connecting structure 203 and the outer end structure 101 will rotate in a direction away from the inner end structure 102; when the driving motor 204 drives the rotating gear 205 to rotate counterclockwise, the connecting structure 203 and the outer end structure 101 will rotate in a direction close to the inner end structure 102. When it is necessary to adjust the angle of the air outlet end of the ventilation device, the rotating gear 205 is driven to rotate by controlling the driving motor 204, and the rotating gear 205 and the sliding rod 201 are engaged with each other, driving the entire connecting structure 203 to slide on the surface of the sliding rod 201, so that the connecting structure 203 drives the outer end structure 101 to rotate around the rotating structure 104, and the telescopic hose 103 is used to ventilate the outer end structure 101 and the inner end structure 102 at different angles.

[0029] Embodiment 2:

[0030] On the basis of the first embodiment, the lower end of the inner end structure 102 is installed with a mounting structure 3, and the mounting structure 3 includes a connecting flange 302, a connecting block 304 and a connecting groove 306. Both ends of the lower surface of the inner end structure 102 are fixedly connected with the connecting blocks 304, and the lower end of the outer side of the connecting block 304 is fixedly connected with a clamping block 305. The lower end of the inner end structure 102 is clamped and connected with the connecting flange 302. Both sides of the upper surface of the connecting flange 302 are provided with connecting grooves 306, and the lower end of the inner surface of the connecting groove 306 is provided with a clamping groove 307. The lower surface of the inner end structure 102 is fixedly connected with a sealing gasket 301, and the upper surface of the connecting flange 302 is provided with a sealing groove 303. The sealing gasket 301 is clamped and connected to the inside of the sealing groove 303. The sealing gasket 301 is made of sealing rubber. The clamping block 305 and the connecting block 304 are slidably connected to the inside of the clamping groove 307 and the connecting groove 306 respectively. When installing, the connecting block 304 Insert the connecting groove 306, then rotate the ventilation device clockwise, the block 305 slides to the inner end of the slot 307 to achieve installation. When disassembling, rotate the ventilation device counterclockwise, the block 305 slides to the outer end of the slot 307, and then directly pull the ventilation device upward from the connecting flange 302 to achieve disassembly. The surface of the connecting flange 302 is penetrated with a plurality of mounting screw holes 308. The connecting flange 302 is fixedly installed at the air outlet end of the ventilation duct through the mounting screw holes 308 and the mounting bolts. The ventilation duct is a thermal power plant ventilation duct. Insert the connecting block 304 into the connecting groove 306. After inserting to the limit, rotate the inner end structure 102 of the upper end clockwise to make the block 305 enter the slot 307 to achieve installation between the two, which greatly facilitates the installation and disassembly process. The sealing performance of the ventilation device is increased by the mutual engagement connection of the sealing gasket 301 and the sealing groove 303.

[0031] When in use, the connecting flange 302 is fixedly installed on the air outlet end of the ventilation duct of the thermal power plant through the installation screw holes 308 and the installation bolts. Next, the ventilation structure 1 and the steering structure 2 at the upper end are installed, and the connecting block 304 is directly inserted into the interior of the connecting groove 306. After being inserted to the limit, the inner end structure 102 at the upper end is rotated clockwise to make the block 305 enter the interior of the slot 307 to complete the installation. When disassembling, the ventilation device is rotated counterclockwise to make the block 305 slide to the outer end of the slot 307, and then the ventilation device is directly pulled upward from the connecting flange 302 to achieve disassembly.

[0032] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. A thermal power plant ventilation device, comprising a ventilation structure (1), characterized in that: The ventilation structure (1) comprises an inner end structure (102), an outer end structure (101) and a telescopic hose (103); one side of the inner end structure (102) and the outer end structure (101) are rotatably connected to each other via a rotating structure (104); the inner end structure (102) and the outer end structure (101) are respectively fixedly connected to two ends of the telescopic hose (103); one side of the ventilation structure (1) is provided with a steering structure (2); the steering structure (2) comprises a sliding rod (201) and a connecting structure (203); the inner end structure (102) and the outer end structure (101) are rotatably connected to each other via a rotating structure (104); the inner end structure (102) and the outer end structure (101) are respectively fixedly connected to two ends of the telescopic hose (103); a steering structure (2) is provided on one side of the ventilation structure (1); the steering structure (2) comprises a sliding rod (201) and a connecting structure (203); A sliding rod (201) is fixedly connected to one side of the structure (102), and the sliding rod (201) is an arc-shaped structure. A connecting structure (203) is fixedly connected to a surface of one side of the outer end structure (101), and a driving motor (204) is fixedly connected to an inner surface of the connecting structure (203). The output end of the driving motor (204) is transmission-connected to a rotating gear (205). The sliding rod (201) passes through the connecting structure (203), and the connecting structure (203) is slidably connected to the surface of the sliding rod (201); The lower end of the inner end structure (102) is provided with a mounting structure (3), the mounting structure (3) comprising a connecting flange (302), a connecting block (304) and a connecting groove (306), both ends of the lower surface of the inner end structure (102) are fixedly connected with the connecting blocks (304), the lower outer end of the connecting block (304) is fixedly connected with a clamping block (305), the lower end of the inner end structure (102) is clamped and connected with the connecting flange (302), both sides of the upper surface of the connecting flange (302) are provided with connecting grooves (306), and the lower inner end of the connecting groove (306) is provided with a clamping groove (307).

2. A thermal power plant ventilation device according to claim 1, characterized in that: The sliding rod (201) and the rotating gear (205) are meshed with each other via a first meshing tooth (202) and a second meshing tooth (206).

3. A thermal power plant ventilation device according to claim 1, characterized in that: A sealing gasket (301) is fixedly connected to the lower surface of the inner end structure (102).

4. A thermal power plant ventilation device according to claim 1, characterized in that: A sealing groove (303) is formed on the upper surface of the connecting flange (302).

5. A thermal power plant ventilation device according to claim 3, characterized in that: The sealing gasket (301) is snap-fitted and connected inside the sealing groove (303).

6. A thermal power plant ventilation device according to claim 3, characterized in that: The sealing pad (301) is made of sealing rubber material.

7. A thermal power plant ventilation device according to claim 1, characterized in that: The clamping block (305) and the connecting block (304) are slidably connected inside the clamping slot (307) and the connecting slot (306) respectively.

8. A thermal power plant ventilation device according to claim 1, characterized in that: A plurality of mounting screw holes (308) are formed through the surface of the connection flange (302), and the connection flange (302) is fixedly mounted on the air outlet end of the ventilation duct via the mounting screw holes (308) and mounting bolts.

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