CN114000948B

CN114000948B - Gas turbine power generation system

Info

Publication number: CN114000948B
Application number: CN202111315776.9A
Authority: CN
Inventors: 王炳晨
Original assignee: Hangzhou Linping Xinao Energy Development Co ltd
Current assignee: Hangzhou Linping Xinao Energy Development Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2023-01-10
Anticipated expiration: 2041-11-08
Also published as: CN114000948A

Abstract

The invention discloses a gas turbine power generation system which comprises a base and a generator body, wherein the generator body is fixed on the base through a support, a connecting ring is fixed on the generator body, the connecting ring is fixedly connected with a dust cover arranged at the end part of the generator body through a telescopic rod, a transverse plate and filter screens distributed on two sides of the transverse plate are arranged in an inner cavity of the dust cover, a frame is fixed at the top of the base through a connecting column, and a guide rod and a transverse frame are fixed between the inner walls of two sides of the frame. According to the invention, the protective cover is arranged at the end part of the generator body, the filter screen can be used for pre-filtering impurities in the atmosphere, so that dust is prevented from adhering to the filter layer of the compressor, the cleaning times of the filter layer of the compressor are reduced, compared with the traditional fixing modes such as bolts and the like, the protective cover is more quickly assembled and disassembled, workers can clean the filter screen more conveniently, and the labor amount of the workers is reduced.

Description

Gas turbine power generation system

Technical Field

The invention relates to the technical field of power generation of gas turbines, in particular to a power generation system of a gas turbine.

Background

The gas turbine is an internal combustion type power machine which takes continuously flowing gas as a working medium to drive an impeller to rotate at a high speed and converts the energy of fuel into useful work, and is a rotary impeller type heat engine.

In the main flow of air and gas of the gas turbine, only the gas turbine consisting of three parts, namely a compressor, a combustion chamber and a gas turbine, circulates, and is generally called as simple circulation. Most gas turbines use a simple cycle scheme.

The air compressor sucks air from the external atmospheric environment, and the air is compressed step by the axial flow type air compressor to be pressurized, and meanwhile, the air temperature is correspondingly increased; compressed air is pumped into a combustion chamber and is mixed with injected fuel to be combusted to generate high-temperature and high-pressure gas; then the gas or liquid fuel enters a turbine to do work through expansion, the turbine is pushed to drive the gas compressor and the external load rotor to rotate at a high speed, the chemical energy of the gas or liquid fuel is partially converted into mechanical work, and the mechanical work is output.

The gas compressor filter screen of the gas turbine has the main function of providing filtered clean air for the gas compressor of the gas turbine, and the filter screen of the gas compressor in the prior art is usually connected with the gas compressor through bolts, so that the filter screen is inconvenient to clean, and the labor amount of workers is increased.

Disclosure of Invention

The invention aims to: in order to solve the problems, a gas turbine power generation system is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a gas turbine power generation system comprises a base and a generator body fixed on the base through a support, wherein a connecting ring is fixed on the generator body, the connecting ring is fixedly connected with a dust cover arranged at the end part of the generator body through a telescopic rod, a transverse plate and filter screens distributed on two sides of the transverse plate are arranged in an inner cavity of the dust cover, a frame is fixed at the top of the base through a connecting column, a guide rod and a transverse frame are fixed between inner walls of two sides of the frame, a swing arm is rotatably connected onto the transverse frame through a pin shaft, a through groove is formed in the swing arm, a first spring and a sliding block are sleeved on the guide rod, and a moving block penetrating through the through groove is formed in the sliding block;

two convex blocks are formed at the bottom of the sliding block, a moving pin penetrates through one of the two convex blocks, an electromagnet is fixed on the other of the two convex blocks, a limiting pin and a second spring are arranged at one end of the moving pin, a magnet attracted with the electromagnet is fixed at the other end of the moving pin, and a limiting hole matched with the limiting pin is formed in the frame;

a first piston cylinder is fixed on the frame, a first piston push rod fixed with the slide block penetrates through the first piston cylinder, an electromagnetic valve is installed at the end of the first piston cylinder, a second piston cylinder is fixed on the base, a second check valve is installed on the second piston cylinder, the second piston cylinder is communicated with the first piston cylinder through a communicating pipe, the first check valve is installed on the communicating pipe, a second piston push rod penetrates through the second piston cylinder, and a driving part for driving the second piston push rod to reciprocate is fixed on the base;

the driving part comprises a connecting table fixed on the base, a rotary table is installed on the connecting table, a rotating pin is formed on the rotary table, and a moving frame which is sleeved outside the rotating pin and fixedly connected with the piston push rod is arranged on the front end face of the rotary table.

As a further description of the above technical solution:

and a rubber ring which is contacted with the end part of the generator body is bonded on the dustproof cover.

As a further description of the above technical solution:

and the end part of the swinging arm is provided with a roller.

As a further description of the above technical solution:

the top of base is fixed with the protection casing and has the bleeder vent on the protection casing lateral wall.

As a further description of the above technical solution:

and a guide sleeve sleeved outside the piston push rod II is fixed on the base.

As a further description of the above technical solution:

the frame is U-shaped, and the opening part of frame is close to the dust cover.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the protective cover is arranged at the end part of the generator body, the filter screen can be used for pre-filtering impurities in the atmosphere, so that the impurities such as dust and the like are prevented from being adhered to the filter layer of the compressor, the cleaning times of the filter layer of the compressor are reduced, compared with the traditional fixing modes such as bolts and the like, the protective cover is more quickly assembled and disassembled, a worker can clean the filter screen more conveniently, and the labor amount of the worker is reduced.

2. In the invention, the top of the base is fixed with the protective cover, and the protective cover covers the piston cylinder II and the connecting table, so that collision between other foreign matters and the piston cylinder II or the connecting table is avoided, a protective effect is achieved, and the safety of the device is improved.

3. According to the invention, the end part of the swinging arm is provided with the roller, the roller avoids the swinging arm from rubbing with the transverse plate, and the end part of the swinging arm is reduced in abrasion, and meanwhile, the swinging arm can rotate more smoothly.

Drawings

FIG. 1 illustrates a schematic left-front structural view of a power generation system provided in accordance with an embodiment of the present invention;

FIG. 2 illustrates a front right structural view of a power generation system provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic bottom view of a frame according to an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating an internal structure of a shield according to an embodiment of the present invention;

FIG. 5 illustrates a schematic view of the interior of a dust cap provided in accordance with an embodiment of the present invention;

illustration of the drawings:

1. a base; 2. a support; 3. a generator body; 4. a connecting ring; 5. a telescopic rod; 6. a dust cover; 7. a roller; 8. a swing arm; 9. a cross frame; 10. a moving block; 11. a slider; 12. a guide bar; 13. a frame; 14. a limiting hole; 15. connecting columns; 16. a first spring; 17. a piston push rod I; 18. a communicating pipe; 19. a one-way valve I; 20. an electromagnetic valve; 21. a through groove; 22. air holes are formed; 23. a protective cover; 24. a limit pin; 25. a second spring; 26. a moving pin; 27. a magnet; 28. a first piston cylinder; 29. an electromagnet; 30. filtering with a screen; 31. a bump; 32. a second one-way valve; 33. a piston push rod II; 34. a turntable; 35. a connecting table; 36. moving the frame; 37. a guide sleeve; 38. a piston cylinder II; 39. a rubber ring; 40. a transverse plate; 41. and rotating the pin.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a gas turbine power generation system comprises a base 1, a generator body 3 on the base 1 is fixed through a support 2, a connecting ring 4 is fixed on the generator body 3, the connecting ring 4 is fixedly connected with a dust cover 6 arranged at the end of the generator body 3 through a telescopic rod 5, the dust cover 6 can stretch through the telescopic rod 5, a transverse plate 40 and filter screens 30 distributed on two sides of the transverse plate 40 are arranged in an inner cavity of the dust cover 6, the dust cover 6 and a transverse frame 9 are of an integrally formed structure, generation of other stress is avoided, the stability is higher, a frame 13 is fixed at the top of the base 1 through a connecting column 15, the frame 13 is arranged in a U shape, an opening of the frame 13 is close to the dust cover 6, a guide rod 12 and the transverse frame 9 are fixed between inner walls on two sides of the frame 13, a swing arm 8 is rotatably connected to the transverse frame 9 through a pin shaft, a through groove 21 is formed in the transverse frame 8, the through groove 21 is arranged in a long strip shape, a first spring 16 and a second slider 11 are sleeved on the guide rod 12, a moving block 10 penetrating through the through groove 21, two ends of the first spring 16 are respectively abutted to the inner walls of the slider 11 and the inner wall of the frame 13, the slider 11 are in sliding fit with the slider 11, the slider 12, the slider 11 and the slider 11 in sliding fit with the guide rod 21, the slider, the sliding fit, the slider, the swing arm 10 in the sliding fit, and the swing arm 21, and the swing arm 10 can rotate around the swing arm in the process of the hinge shaft;

two convex blocks 31 are formed at the bottom of the sliding block 11, a moving pin 26 penetrates through one of the two convex blocks 31, the moving pin 26 is in sliding fit with the convex block 31, an electromagnet 29 is fixed on the other of the two convex blocks 31, a limiting pin 24 and a second spring 25 are arranged at one end of the moving pin 26, a magnet 27 attracted with the electromagnet 29 is fixed at the other end of the moving pin 26, a limiting hole 14 matched with the limiting pin 24 is formed in the frame 13, the limiting pin 24 is fixed at the end part of the moving pin 26, the second spring 25 is sleeved outside the moving pin 26, two ends of the second spring 25 are respectively abutted against the convex block 31 and the limiting pin 24, and under the action of the second spring 25, the limiting pin 24 is engaged with the limiting hole 14 to position the sliding block 11;

a first piston cylinder 28 is fixed on the frame 13, a first piston push rod 17 fixed with the slider 11 penetrates through the first piston cylinder 28, an electromagnetic valve 20 is installed at the end of the first piston cylinder 28, when the electromagnetic valve 20 is in an open state, outside air can enter the interior of a second piston cylinder 38, a communication pipe 18 and the first piston cylinder 28, and the state of negative pressure in the interior of the second piston cylinder 38, the communication pipe 18 and the first piston cylinder 28 can be relieved, a second piston cylinder 38 is fixed on the base 1, a second check valve 32 is installed on the second piston cylinder 38, gas in the interior of the second piston cylinder 38 can be discharged outwards through the second check valve 32, the second piston cylinder 38 is communicated with the first piston cylinder 28 through the communication pipe 18, a first check valve 19 is installed on the communication pipe 18, gas in the interior of the first piston cylinder 28 can enter the interior of the second piston cylinder 38 through the first check valve 19, a second piston push rod 33 penetrates through the second piston cylinder 38, and a driving component for driving the second piston push rod 33 to reciprocate is fixed on the base 1;

the driving part comprises a connecting table 35 fixed on the base 1, a rotary disc 34 is installed on the connecting table 35, a rotating pin 41 is formed on the rotary disc 34, a driving mechanism for driving the rotary disc 34 to rotate is installed on the connecting table 35, a moving frame 36 which is sleeved outside the rotating pin 41 and fixedly connected with the piston push rod two 33 is arranged on the front end face of the rotary disc 34, the rotating pin 41 and the rotary disc 34 are arranged eccentrically, the rotating pin 41 is in sliding fit with the moving frame 36, and the moving frame 36 can drive the piston push rod two 33 to move.

Specifically, as shown in fig. 1 and 5, a rubber ring 39 that contacts the end of the generator body 3 is bonded to the dust cover 6, and the rubber ring 39 is used to improve the sealing property between the dust cover 6 and the generator body 3.

Specifically, as shown in fig. 1, a roller 7 is mounted at an end of the swing arm 8, and the roller 7 prevents the swing arm 8 from rubbing against the transverse plate 40, so as to reduce the wear of the end of the swing arm 8 and make the swing arm 8 rotate more smoothly.

Specifically, as shown in fig. 2, a protective cover 23 is fixed to the top of the base 1, air holes 22 are formed in the side wall of the protective cover 23, the protective cover 23 covers the second piston cylinder 38 and the connecting platform 35, collision between other foreign matters and the second piston cylinder 38 or the connecting platform 35 is avoided, a protective effect is achieved, and air in the protective cover 23 can be discharged outwards through the air holes 22.

Specifically, as shown in fig. 4, a guide sleeve 37 sleeved outside the second piston push rod 33 is fixed on the base 1, and the guide sleeve 37 is in sliding fit with the second piston push rod 33, so that the guide sleeve 37 is prevented from being deviated in the moving process.

The working principle is as follows: under the normal state, under the action of the second spring 25, the limiting pin 24 is clamped with the limiting hole 14, so that the slider 11 is fixed, in this state, the swing arm 8 drives the roller 7 to extrude the transverse plate 40, the dust cover 6 drives the rubber ring 39 to be attached to the end part of the generator body 3 under the extrusion force, in this state, the filter screen 30 can pre-filter impurities in the atmosphere, the adhesion of dust to a filter layer of the compressor is reduced, and the cleaning times of the filter layer of the compressor is reduced;

when the filter screen 30 needs to be cleaned, the electromagnet 29 is electrified, the electromagnet 29 and the magnet 27 are attracted, the magnet 27 drives the moving pin 26 and the limiting pin 24 to move, after the limiting pin 24 is separated from the limiting hole 14, the slider 11 moves along the axial direction of the guide rod 12 under the action of the first spring 16, the slider 11 drives the moving block 10 to move in the through groove 21, the swing arm 8 drives the roller 7 to rotate, the roller 7 does not extrude the transverse plate 40 any more, the limiting on the dust cover 6 is released, a worker can pull the dust cover 6 to one side, and the worker can clean two sides of the dust cover 6 at the moment;

when the dust cover 6 needs to be reinstalled, the driving mechanism drives the rotating disc 34 to rotate, the rotating disc 34 drives the rotating pin 41 to rotate, the rotating pin 41 moves in the inner cavity of the moving frame 36, the moving frame 36 drives the piston push rod two 33 to reciprocate, in the process, air inside the piston cylinder one 28 enters the piston cylinder two 38 through the one-way valve one 19 and the communicating pipe 18, air inside the piston cylinder two 38 is discharged outwards through the one-way valve two 32, so that negative pressure is generated inside the piston cylinder one 28, the slider 11 moves in the axial direction of the guide rod 12 under the action of the piston push rod one 17, when the limiting pin 24 and the limiting hole 14 are coaxial, the driving mechanism stops driving the rotating disc 34 and stops supplying power to the electromagnet 29, and under the action of the spring two 25, the limiting pin 24 is clamped with the limiting hole 14, so that the slider 11 is fixed again, compared with a fixing mode such as a bolt, the dust cover 6 is more convenient to clean the dust cover 6 by workers.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A gas turbine power generation system comprises a base (1) and a generator body (3) fixed on the base (1) through a support (2), and is characterized in that a connecting ring (4) is fixed on the generator body (3), the connecting ring (4) is fixedly connected with a dust cover (6) arranged at the end of the generator body (3) through a telescopic rod (5), a transverse plate (40) and filter screens (30) distributed on two sides of the transverse plate (40) are arranged in an inner cavity of the dust cover (6), a frame (13) is fixed at the top of the base (1) through a connecting column (15), a guide rod (12) and a transverse frame (9) are fixed between inner walls on two sides of the frame (13), the transverse frame (9) is rotatably connected with a swing arm (8) through a pin shaft, a through groove (21) is formed in the swing arm (8), a first spring (16) and a sliding block (11) are sleeved on the guide rod (12), and a moving block (10) penetrating through the through groove (21) is formed in the sliding block (11);

two convex blocks (31) are formed at the bottom of the sliding block (11), one of the two convex blocks (31) penetrates through a moving pin (26), the other one of the two convex blocks (31) is fixed with an electromagnet (29), one end of the moving pin (26) is provided with a limiting pin (24) and a second spring (25), the other end of the moving pin is fixed with a magnet (27) attracted with the electromagnet (29), and a limiting hole (14) matched with the limiting pin (24) is formed in the frame (13);

a first piston cylinder (28) is fixed on the frame (13), a first piston push rod (17) fixed with the sliding block (11) penetrates through the first piston cylinder (28), an electromagnetic valve (20) is installed at the end part of the first piston cylinder (28), a second piston cylinder (38) is fixed on the base (1), a second check valve (32) is installed on the second piston cylinder (38), the second piston cylinder (38) is communicated with the first piston cylinder (28) through a communicating pipe (18), a first check valve (19) is installed on the communicating pipe (18), a second piston push rod (33) penetrates through the second piston cylinder (38), and a driving part for driving the second piston push rod (33) to reciprocate is fixed on the base (1);

the drive part is including fixing connection platform (35) on base (1), it has rotating pin (41) to install carousel (34) and carousel (34) on connection platform (35) and go up the shaping, the preceding terminal surface of carousel (34) is equipped with to overlap and establishes the removal frame (36) that establish in rotating pin (41) outside, with piston push rod two (33) fixed connection.

2. A gas turbine power generation system according to claim 1, wherein a rubber ring (39) is bonded to the dust cover (6) and contacts the end of the generator body (3).

3. A gas turbine power generation system according to claim 2, wherein the end of the swing arm (8) is mounted with a roller (7).

4. A gas turbine power generation system according to claim 3, wherein a protective cover (23) is fixed to the top of the base (1) and the side wall of the protective cover (23) has ventilation holes (22).

5. A gas turbine power generation system according to claim 4, characterized in that a guide sleeve (37) is fixed on the base (1) and sleeved on the outside of the piston push rod II (33).

6. A gas turbine power generation system according to claim 5, wherein the frame (13) is provided in a U-shape, and the opening of the frame (13) is adjacent to the dust cover (6).