CN215907924U

CN215907924U - Steam turbine for power generation of thermal power plant

Info

Publication number: CN215907924U
Application number: CN202121717171.8U
Authority: CN
Inventors: 王文碧
Original assignee: Individual
Current assignee: Shandong Huawei Steam Turbine Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-25
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a steam turbine for power generation of a thermal power plant, which comprises a main shaft and an impeller, wherein the surface of the main shaft is fixedly connected with the inner wall of the impeller, the top of the impeller is provided with a fixed box, and the back of the inner wall of the fixed box is fixedly connected with a motor. The fixed box is fixed on the wall through the nut, the motor is arranged, the motor is started, the output end of the motor drives the gear to rotate, the gear drives the toothed plate to move, the water pump is started to convey the sodium solution with the effect of being heated in the heating box to the spray head through the hose to be sprayed, the toothed plate drives the spray head to move, the heated sodium solution with the effect of being sprayed more uniformly is pushed by a user to move towards the rear side, the fixed plate drives the hairbrush to move towards the rear side, the impeller is rotated, the problem that the high-pressure water gun is needed to be used for washing the surfaces of the main shaft and the impeller when the impeller is cleaned by the hairbrush is solved, and then the hairbrush is used for cleaning residues, so that the labor-consuming problem is solved, and the effects of automatic cleaning and labor-saving are achieved.

Description

Steam turbine for power generation of thermal power plant

Technical Field

The utility model relates to the technical field of steam turbines, in particular to a steam turbine for power generation of a thermal power plant.

Background

The steam turbine is a rotation type steam power device, high temperature high pressure steam passes fixed nozzle and becomes on the blade after the air current with higher speed, the rotor that the blade row was arranged is equipped with in the messenger, external acting simultaneously, the power generation facility of firepower factory is condensing steam turbine usually, drive through highly compressed steam, long-term use can make the incrustation scale appear on the steam turbine surface, corrode the steam turbine surface, cause the damage to the steam turbine and influence the operation, need the manual work to use the high-pressure squirt to wash main shaft and impeller surface during the clearance, later use the brush clearance residue, comparatively hard.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide a steam turbine for power generation in a thermal power plant, which has the advantages of automatic cleaning and labor saving, and solves the problem that the surface of the steam turbine needs to be manually washed by a high-pressure water gun during cleaning, and then a brush is used for cleaning residues, so that the labor is wasted.

In order to achieve the purpose, the utility model provides the following technical scheme: a steam turbine for power generation in a thermal power plant.

Preferably, the bottom of the fixing frame is provided with a sliding groove, and the top of the fixing rod is fixedly connected with a limiting block in sliding connection with the sliding groove.

Preferably, the maintenance mechanism comprises a spray head, the top of the spray head is fixedly connected with the bottom of the toothed plate, a hose is arranged on the right side of the toothed plate, a heating box is arranged at the bottom of the hose, and one end, far away from the toothed plate, of the hose penetrates into the heating box.

Preferably, the cleaning mechanism comprises a fixing plate, the top of the fixing plate is fixedly connected with the bottom of the fixing rod, a brush is fixedly connected to the back of the fixing plate, and a support frame is fixedly connected to the bottom of the fixing plate.

Preferably, the bottom of the support frame is fixedly connected with a wheel, and a rubber sleeve is sleeved on the surface of the wheel.

Preferably, the bottom of the toothed plate is embedded with a plurality of balls, and the balls are distributed at equal intervals.

Compared with the prior art, the utility model has the following beneficial effects:

1. the fixed box is fixed on the wall through the nut, the motor is arranged, the motor is started, the output end of the motor drives the gear to rotate, the gear drives the toothed plate to move, the water pump is started to convey the sodium solution with the effect of being heated in the heating box to the spray head through the hose to be sprayed, the toothed plate drives the spray head to move, the heated sodium solution with the effect of being sprayed more uniformly is pushed by a user to move towards the rear side, the fixed plate drives the hairbrush to move towards the rear side, the impeller is rotated, the problem that the high-pressure water gun is needed to be used for washing the surfaces of the main shaft and the impeller when the impeller is cleaned by the hairbrush is solved, and then the hairbrush is used for cleaning residues, so that the labor-consuming problem is solved, and the effects of automatic cleaning and labor-saving are achieved.

2. According to the utility model, the limiting block is arranged on the sliding groove, so that a user can conveniently move the fixing rod through the sliding groove, and meanwhile, the limiting block can limit the fixing rod left and right, so that the fixing rod is prevented from shaking and being clamped, and the moving stability of the fixing rod is ensured.

3. The utility model can heat the caustic soda solution by the heating box through the maintenance mechanism, then the heated caustic soda solution is conveyed to the spray head by the water pump in the heating box through the hose, and the spray head sprays the heated caustic soda solution.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic diagram of a right-side cross-sectional structure of the present invention;

FIG. 4 is a schematic top view of the present invention.

In the figure: 1. a main shaft; 2. an impeller; 3. a fixed box; 4. a motor; 5. a gear; 6. a toothed plate; 7. a maintenance mechanism; 71. a spray head; 72. a hose; 73. a heating box; 8. a fixed mount; 9. fixing the rod; 10. a cleaning mechanism; 101. a fixing plate; 102. a brush; 103. a support frame; 11. a nut; 12. a chute; 13. a limiting block; 14. a wheel; 15. a rubber sleeve; 16. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the steam turbine for power generation of a thermal power plant provided by the utility model comprises a main shaft 1 and an impeller 2, wherein the surface of the main shaft 1 is fixedly connected with the inner wall of the impeller 2, the top of the impeller 2 is provided with a fixed box 3, the back of the inner wall of the fixed box 3 is fixedly connected with a motor 4, the output end of the motor 4 is fixedly connected with a gear 5, the bottom of the inner wall of the fixed box 3 is provided with a toothed plate 6, the gear 5 is meshed with the toothed plate 6, the bottom of the toothed plate 6 is provided with a maintenance mechanism 7, the front of the fixed box 3 is fixedly connected with a fixed frame 8, the bottom of the front side of the fixed frame 8 is provided with a fixed rod 9, the bottom of the fixed rod 9 is fixedly connected with a cleaning mechanism 10, and four corners of the top of the fixed box 3 are fixedly connected with nuts 11.

Referring to fig. 2, a sliding groove 12 is formed at the bottom of the fixing frame 8, and a limiting block 13 slidably connected with the sliding groove 12 is fixedly connected to the top of the fixing rod 9.

As a technical optimization scheme of the utility model, the sliding groove 12 and the limiting block 13 are arranged, so that a user can conveniently move the fixing rod 9 through the sliding groove 12, and meanwhile, the limiting block 13 can limit the fixing rod 9 leftwards and rightwards, so that the fixing rod 9 is prevented from shaking and being clamped, and the moving stability of the fixing rod 9 is ensured.

Referring to fig. 2, the maintenance mechanism 7 includes a spray head 71, a top of the spray head 71 is fixedly connected to a bottom of the toothed plate 6, a hose 72 is disposed on a right side of the toothed plate 6, a heating box 73 is disposed at a bottom of the hose 72, and one end of the hose 72, which is far away from the toothed plate 6, penetrates into the heating box 73.

As a technical optimization of the present invention, by providing the maintenance mechanism 7, the heating tank 73 can heat the caustic soda solution, and then the water pump in the heating tank 73 can transfer the heated caustic soda solution to the spray head 71 through the hose 72, and the spray head 71 can spray the heated caustic soda solution.

Referring to fig. 3, the cleaning mechanism 10 includes a fixing plate 101, a top of the fixing plate 101 is fixedly connected to a bottom of the fixing rod 9, a brush 102 is fixedly connected to a back surface of the fixing plate 101, and a supporting frame 103 is fixedly connected to a bottom of the fixing plate 101.

As a technical optimization scheme of the utility model, the cleaning mechanism 10 is arranged, so that the brush 102 is conveniently fixed through the fixing plate 101, the supporting frame 103 supports the fixing plate 101, and the main shaft 1 and the impeller 2 are rotated, so that the brush 102 cleans scale on the surface of the impeller 2.

Referring to fig. 1, a wheel 14 is fixedly connected to the bottom of the supporting frame 103, and a rubber sleeve 15 is sleeved on the surface of the wheel 14.

As a technical optimization scheme of the utility model, the wheels 14 and the rubber sleeve 15 are arranged, so that a user can conveniently move the cleaning mechanism 10 through the wheels 14, and meanwhile, the rubber sleeve 15 can increase the friction force between the wheels 14 and the ground, so that the cleaning mechanism 10 can move more stably.

Referring to fig. 3, the bottom of the toothed plate 6 is embedded with balls 16, the balls 16 are provided with a plurality of balls 16, and the plurality of balls 16 are distributed at equal intervals.

As a technical optimization scheme of the present invention, the balls 16 are provided, so that the friction between the toothed plate 6 and the fixed box 3 can be eliminated through the balls 16, the toothed plate 6 can move more smoothly, and noise generated during friction between the toothed plate 6 and the fixed box 3 can be reduced.

The working principle and the using process of the utility model are as follows: start motor 4 when using, make motor 4 output drive gear 5 rotatory, gear 5 drives toothed plate 6 and removes, start external water pump and carry the sodium solution of the gouging after heating in the heating cabinet 73 to shower nozzle 71 through hose 72 and spray, toothed plate 6 drives shower nozzle 71 and removes, the sodium solution of the gouging after making the heating sprays more evenly, the user promotes fixed plate 101 and removes to the rear side, fixed plate 101 drives brush 102 and removes to the rear side, rotatory impeller 2 makes brush 102 scrub impeller 2, the effect of being convenient for automatic clearance has been reached.

In summary, the following steps: this steam turbine is used in power generation of thermal power plant, fix fixed box 3 at the wall through setting up nut 11, through setting up motor 4, starter motor 4, it is rotatory to make motor 4 output drive gear 5, gear 5 drives pinion rack 6 and removes, the meticulous sodium solution after the start-up water pump heats in with heating cabinet 73 carries through hose 72 to shower nozzle 71 and sprays, pinion rack 6 drives shower nozzle 71 and removes, it is more even to make the meticulous sodium solution after the heating spray, the user promotes fixed plate 101 and removes to the rear side, fixed plate 101 drives brush 102 and removes to the rear side, rotatory impeller 2, it needs the manual work to use high-pressure squirt to wash main shaft and impeller surface when making brush 102 scrub impeller 2 solve the clearance, later use the brush clearance residue, comparatively hard problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A steam turbine for power generation of a thermal power plant, comprising a main shaft (1) and an impeller (2), characterized in that: the utility model discloses a motor, including main shaft (1), impeller (2), fixed case (3), back fixedly connected with motor (4) of fixed case (3) inner wall, output fixedly connected with gear (5) of motor (4), the bottom of fixed case (3) inner wall is provided with pinion rack (6), gear (5) and pinion rack (6) meshing, the bottom of pinion rack (6) is provided with maintenance mechanism (7), the positive fixedly connected with mount (8) of fixed case (3), the bottom of mount (8) front side is provided with dead lever (9), the clean mechanism (10) of bottom fixedly connected with of dead lever (9), the four corners fixedly connected with nut (11) at fixed case (3) top.

2. The steam turbine for power generation of a thermal power plant according to claim 1, characterized in that: the bottom of the fixing frame (8) is provided with a sliding groove (12), and the top of the fixing rod (9) is fixedly connected with a limiting block (13) which is in sliding connection with the sliding groove (12).

3. The steam turbine for power generation of a thermal power plant according to claim 1, characterized in that: maintain mechanism (7) and include shower nozzle (71), the top of shower nozzle (71) and the bottom fixed connection of pinion rack (6), the right side of pinion rack (6) is provided with hose (72), the bottom of hose (72) is provided with heating cabinet (73), the one end that pinion rack (6) were kept away from in hose (72) runs through to the inside of heating cabinet (73).

4. The steam turbine for power generation of a thermal power plant according to claim 1, characterized in that: the cleaning mechanism (10) comprises a fixing plate (101), the top of the fixing plate (101) is fixedly connected with the bottom of the fixing rod (9), a hairbrush (102) is fixedly connected to the back of the fixing plate (101), and a supporting frame (103) is fixedly connected to the bottom of the fixing plate (101).

5. The steam turbine for power generation of a thermal power plant according to claim 4, characterized in that: the bottom fixedly connected with wheel (14) of support frame (103), the surface cover of wheel (14) is equipped with rubber sleeve (15).

6. The steam turbine for power generation of a thermal power plant according to claim 1, characterized in that: ball (16) are inlayed to the bottom of pinion rack (6), ball (16) are provided with a plurality of, and a plurality of ball (16) are the equidistance and distribute.