CN218439596U

CN218439596U - Residual pressure power generation device capable of adjusting angle of runner blade

Info

Publication number: CN218439596U
Application number: CN202222487579.1U
Authority: CN
Inventors: 邬文才; 陈曦; 荣小东; 苏建瑜; 黄连国
Original assignee: Chongqing Iseco Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Chongqing Iseco Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-02-03
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a residual pressure power generation device with adjustable rotating wheel blade angle, which relates to the field of power generation devices of water turbine of circulating water cooling towers, and the technical scheme thereof comprises a water inlet pipe section and a water outlet pipe section, wherein the upper end of the water inlet pipe section is provided with an excitation section, one end of the excitation section, which is far away from the water inlet pipe section, is provided with a generator section, and a water turbine cavity section is arranged between the generator section and the water outlet pipe section; the internal installation of excitation section has the oil supply head, the generator is still installed to the inside of excitation section, the inside of generator section is provided with generator rotor and generator stator winding, pressure oil passes through in oil pipe gets into the die cavity of turbine runner body, promote the handling frame operation panel and carry out the up-and-down motion, the handling frame operation panel passes through link assembly drive rotary drum link assembly and pivot rocking arm pivot rotation, thereby realize the rotary motion of paddle runner paddle, adjust the angle of paddle runner paddle, can adapt to adaptation flood peak and flow variation, thereby let hydraulic turbine power generation facility keep high-efficiency operation.

Description

Residual pressure power generation device capable of adjusting angle of runner blade

Technical Field

The utility model relates to a circulating water cooling tower water turbine power generation facility technical field especially relates to a residual pressure power generation facility of adjustable runner paddle angle.

Background

At present, a through-flow turbine is generally adopted in an industrial circulating water system to drive a generator to generate power by utilizing the potential energy of the excess pressure of circulating water backwater.

The water turbines can be divided into two categories of impulse water turbines and reaction water turbines according to the working principle, wherein a rotating wheel of the impulse water turbine rotates under the impact of water flow, the pressure of the water flow is unchanged in the working process, and the conversion of the kinetic energy is mainly carried out; the runner of the reaction type water turbine rotates under the reaction force of water flow in water, and the pressure energy and the kinetic energy of the water flow are changed in the working process, but the pressure energy is mainly converted.

However, the pressure and flow of the return water in the circulating water system are changed, so that the water turbine cannot keep high-efficiency operation

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the residual pressure power generation device with the adjustable angle of the runner blade.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the residual pressure power generation device capable of adjusting the angle of the runner blade comprises a water inlet pipe section and a water outlet pipe section, wherein an excitation section is installed at the upper end of the water inlet pipe section, a power generator section is installed at one end, far away from the water inlet pipe section, of the excitation section, and a water wheel cavity section is installed between the power generator section and the water outlet pipe section;

the generator comprises an excitation section, a water wheel cavity section and a generator section, wherein an oil receiver is arranged inside the excitation section, a generator is further arranged inside the excitation section, a generator rotor and a generator stator winding are arranged inside the generator section, and a water turbine bearing is arranged inside the water wheel cavity section.

The above technical solution further comprises:

furthermore, the generator and the water wheel cavity section are coaxially and integrally formed, so that the strength and the sealing performance of the equipment are improved.

Furthermore, the water wheel cavity section comprises a runner hub and a cylinder body, a cylinder cover is installed at the upper end of the runner hub, a piston rod is movably arranged between the runner hubs, and an oil pipe used for conveying oil is arranged inside the piston rod.

Furthermore, a piston is installed at the upper end of the piston rod, and the piston is close to the inside of the runner hub.

Furthermore, an operation frame is installed outside the oil pipe, and a gland is installed at the bottom of the rotating wheel body.

Furthermore, a rotating arm pivot is installed inside the rotating wheel body, rotating wheel blades are installed outside the rotating arm pivot, a connecting rod assembly is installed between the rotating arm pivot and the operating frame, and a rotating cylinder is installed in a cavity of the rotating wheel body;

specifically, the operation frame drives the rotary drum and the pivot to rotate through the connecting rod assembly, so that the rotary motion of the paddle is realized, and the angle of the paddle is adjusted.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, during the use, under the effect of oil receiver, pressure oil promotes the handling frame and carries out the up-and-down motion in the die cavity that oil pipe got into hydraulic turbine runner hub, and the handling frame drives rotary drum and pivot through link assembly to realize the rotary motion of paddle, adjust the angle of paddle, can adapt to adaptation flood peak and flow change, thereby let hydraulic turbine power generation facility keep the high efficiency operation.

Drawings

Fig. 1 is a schematic structural view of an excess pressure power generation device capable of adjusting the angle of a runner blade according to the present invention;

fig. 2 is the internal structure schematic diagram of the middle water wheel cavity section of the utility model.

In the figure: 1. a water inlet pipe section; 2. an oil receiver; 3. an excitation section; 4. a generator; 5. a generator rotor; 6. a generator section; 7. a generator stator winding; 8. a water wheel cavity section; 9. a water turbine bearing; 10. a water outlet pipe section; 811. a piston; 812. a cylinder cover; 813. a runner hub; 814. a piston rod; 815. a rotating drum; 816. an oil pipe; 817. a runner blade; 818. an operation frame; 819. a gland; 820. a pivot for the boom; 821. a connecting rod assembly.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the utility model provides an excess pressure power generation device capable of adjusting the angle of a runner blade, which comprises a water inlet pipe section 1 and a water outlet pipe section 10, wherein the upper end of the water inlet pipe section 1 is provided with an excitation section 3, one end of the excitation section 3 far away from the water inlet pipe section 1 is provided with a generator section 6, and a water wheel cavity section 8 is arranged between the generator section 6 and the water outlet pipe section 10;

an oil supply head 2 is installed inside the excitation section 3, a generator 4 is also installed inside the excitation section 3, a generator rotor 5 and a generator stator winding 7 are arranged inside the generator section 6, a water turbine bearing 9 is installed inside the water wheel cavity section 8, and the generator 4 and the water wheel cavity section 8 are coaxially and integrally formed;

the water wheel cavity section 8 comprises a runner body 813 and a cylinder body, a cylinder cover 812 is installed at the upper end of the runner body 813, a piston rod 814 is movably arranged between the runner bodies 813, and an oil pipe 816 for conveying oil is arranged inside the piston rod 814;

a piston 811 is mounted on the upper end of the piston rod 814, and the piston 811 is close to the inside of the runner body 813; a piston 811 is mounted at the upper end of the piston rod 814, the piston 811 is close to the inside of the runner 813, an operation rack 818 is mounted outside the oil pipe 816, and a gland 819 is mounted at the bottom of the runner 813;

a rotating arm pivot 820 is installed inside the rotating wheel body 813, a rotating wheel blade 817 is installed outside the rotating arm pivot 820, and a connecting rod assembly 821 is installed between the rotating arm pivot 820 and the operating frame 818.

The operating principle of the residual pressure power generation device capable of adjusting the angle of the runner blade is that when the residual pressure power generation device works, as shown in fig. 1, when the pressure and the flow of return water in a circulating water system are changed, 2 starts to work at the moment, and pressure oil is conveyed to the inside of 8 under the action of 2;

as shown in fig. 2, at this time, pressure oil enters a cavity of a runner hub of the hydraulic turbine through an oil pipe 816 to push the operation frame 818 to move up and down, and the operation frame 818 drives the runner 821 and the pivot 820 to rotate through the connecting rod assembly, so that the rotating motion of the blades 817 is realized, the angle of the blades 817 is adjusted, and the rotation can adapt to the variation of a water head and a flow rate, so that the hydraulic turbine power generation device keeps high-efficiency operation;

as shown in fig. 2, the cylinder cover 812 is fixed on the rotating wheel body 813 through a bolt, and forms a servomotor cylinder together with the cylinder body, pressure oil enters the servomotor cylinder through an oil pipe 816, the pressure oil respectively leads to two sides of a piston 811 in the servomotor cylinder, the piston rod 814 and the piston 811 move up and down under the action of the pressure oil to drive an operation frame 818 on the piston rod 814 to move up and down, and the operation frame 818 drives the rotating drum 815, the rotating arm pivot 820 and the rotating wheel blade 817 to rotate through a link mechanism 821, thereby realizing the change of the working angle of the blade.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The excess pressure power generation device capable of adjusting the angle of the runner blade comprises a water inlet pipe section (1) and a water outlet pipe section (10), and is characterized in that an excitation section (3) is installed at the upper end of the water inlet pipe section (1), a power generator section (6) is installed at one end, far away from the water inlet pipe section (1), of the excitation section (3), and a water wheel cavity section (8) is installed between the power generator section (6) and the water outlet pipe section (10);

the oil-supply head (2) is installed inside the excitation section (3), the generator (4) is further installed inside the excitation section (3), the generator rotor (5) and the generator stator winding (7) are arranged inside the generator section (6), and the water turbine bearing (9) is installed inside the water wheel cavity section (8).

2. The residual pressure power generation device capable of adjusting the angle of the runner blade according to claim 1, wherein the generator (4) and the water wheel cavity section (8) are coaxially and integrally formed.

3. The excess pressure power generation device capable of adjusting the angle of the runner blade according to claim 1, wherein the water wheel cavity section (8) comprises a runner hub (813) and a cylinder body, a cylinder cover (812) is installed at the upper end of the runner hub (813), a piston rod (814) is movably arranged between the runner hubs (813), and an oil pipe (816) for conveying oil is arranged inside the piston rod (814).

4. The excessive pressure power generation device capable of adjusting the angle of the rotor blade according to claim 3, wherein the piston (811) is installed at the upper end of the piston rod (814), and the piston (811) is adjacent to the inside of the rotor body (813).

5. The residual pressure power generation device capable of adjusting the angle of the runner blade according to claim 4, wherein an operation frame (818) is installed outside the oil pipe (816), and a gland (819) is installed at the bottom of the runner body (813).

6. The excessive pressure power generation device capable of adjusting the angle of the rotor blade as claimed in claim 5, wherein the rotor body (813) is internally provided with a rotating arm pivot (820), the rotor blade (817) is externally provided with the rotating arm pivot (820), the connecting rod assembly (821) is arranged between the rotating arm pivot (820) and the operating frame (818), and the rotating drum (815) is arranged in a cavity of the rotor body (813).