CN214039639U

CN214039639U - Wind-solar coupled thermal power station cooling tower

Info

Publication number: CN214039639U
Application number: CN202023070532.2U
Authority: CN
Inventors: 许扬; 李�杰; 王晓磊; 刘鹏程; 马宏怡; 蔡安民; 林伟荣; 焦冲; 王恩民
Original assignee: Huaneng Clean Energy Research Institute; Huaneng Shandong Power Generation Co Ltd
Current assignee: Huaneng Clean Energy Research Institute; Huaneng Shandong Power Generation Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-24
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a thermal power station cooling tower of scene coupling belongs to energy power generation technical field. The cooling tower body is hyperbolic, the spraying device is arranged in the middle of the cooling tower body and faces the lower part of the interior of the cooling tower body, one end of the circulating water pipeline is connected with the spraying device, and the other end of the circulating water pipeline is connected with the circulating water system; the supporting frame is arranged at the throat part of the cooling tower body, the wind generating set is arranged on the supporting frame, and the windward side of the blades of the wind generating set faces downwards; the water removal device is arranged between the spraying device and the wind generating set; the bottom of the water cooling tower body is provided with a reservoir; the solar thin-film battery is arranged on the outer wall of the water cooling tower body; the wind generating set and the solar thin film battery are respectively connected with the grid-connected component through cables. The utility model discloses on the basis of original thermal power plant facility, the original resource of make full use of, the new forms of energy of coupling development simultaneously can promote economy and the dual benefit of environment.

Description

Wind-solar coupled thermal power station cooling tower

Technical Field

The utility model belongs to the technical field of energy power generation, concretely relates to wind-solar coupled thermal power station cooling tower.

Background

In the field of traditional thermal power generation, fossil fuel is combusted to generate high temperature to exchange heat with a working medium, and high-temperature steam pushes a turbine to do work and further drives a generator to generate electric quantity. An important process in the rankine cycle process experienced by the working fluid is the condensation and cooling of the exhaust steam in the condenser. In general, water cooling is widely used because it has higher efficiency than air cooling. In the river or coastal areas, cooling water is directly discharged into rivers due to sufficient water resources; however, in inland regions where water resources are not abundant, the cooling circulation water needs to be reused.

The hyperbolic cooling tower is widely used for cooling circulating water at the tail part of a thermal power station due to excellent structure and good cooling effect. However, the cooling tower generally occupies a large area and has a high building height, and the highest cost performance cannot be achieved only by using the cooling tower as cooling water. At present, the cooling tower of the power station is applied to integrate the smoke tower into the tower, but the utilization of the cooling tower is still limited.

Disclosure of Invention

In order to solve the problem, an object of the utility model is to provide a thermal power station cooling tower of scene coupling can improve thermal power station's space utilization, promotes the generated energy of whole factory.

The utility model discloses a realize through following technical scheme:

the utility model discloses a wind-solar coupled thermal power station cooling tower, which comprises a circulating water pipeline, a spraying device, a dewatering device, a support frame, a wind generating set, a cooling tower body, a solar thin film battery and a grid-connected component;

the cooling tower body is hyperbolic, the spraying device is arranged in the middle of the cooling tower body and faces the lower part of the interior of the cooling tower body, one end of the circulating water pipeline is connected with the spraying device, and the other end of the circulating water pipeline is connected with the circulating water system; the supporting frame is arranged at the throat part of the cooling tower body, the wind generating set is arranged on the supporting frame, and the windward side of the blades of the wind generating set faces downwards; the water removal device is arranged between the spraying device and the wind generating set; the bottom of the water cooling tower body is provided with a reservoir; the solar thin-film battery is arranged on the outer wall of the water cooling tower body; the wind generating set and the solar thin film battery are respectively connected with the grid-connected component through cables.

Preferably, the spraying devices are divided into a plurality of groups and are uniformly distributed in the cooling tower body in the circumferential direction.

Preferably, the blades of the wind generating set are horizontally arranged, and the nacelle and the main shaft are vertically arranged.

Preferably, the diameter of the impeller of the wind generating set is 60% -90% of the diameter of the throat of the water cooling tower body.

Preferably, the water removing device is a plate-type water collector arranged in a double layer.

Further preferably, the water removal devices are uniformly distributed in the cooling water tower body along the radial direction.

Preferably, the solar thin film battery is a copper indium gallium selenide battery.

Preferably, a humidity sensor is arranged on the support frame and is respectively connected with the control systems of the spraying device and the water removal device.

Preferably, the outside of the support frame is provided with an anticorrosive coating.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model discloses a thermal power station cooling tower of scene coupling utilizes the convection current that the inside circulating water of thermal power station cooling tower and cooling air's the difference in temperature produced, not only can realize the cooling of circulating water, can realize the multistage utilization of energy through arranging embedded wind energy conversion system at the cooling tower throat simultaneously. A water removal device is additionally arranged in the water cooling tower (between a circulating water inlet and the throat part of the water cooling tower) to remove water vapor in air after circulating water cooling, so that the erosion of wet air to wind turbine blades and an electrical system is reduced. Thin film type photovoltaic cells are uniformly arranged on the outer wall surface of the water cooling tower to absorb solar energy radiated to the wall surface of the water cooling tower. When the lamp is illuminated in the daytime, the energy radiated to the outer surface of the cooling tower is fully utilized, and meanwhile, the area of the building surface of the cooling tower is fully utilized. The electricity generated by the wind turbine and the thin-film solar cell is rectified, inverted and boosted, and is sent to the power transmission line of the thermal power station and merged into the power grid, so that the original power transmission facilities are fully utilized, and repeated construction is avoided. The utility model discloses on the basis of original thermal power plant facility, the original resource of make full use of, the new forms of energy of coupling development simultaneously can promote economy and the dual benefit of environment.

Furthermore, the spraying devices are divided into a plurality of groups, are circumferentially and uniformly distributed in the water cooling tower body, and are uniform in spraying and good in effect.

Furthermore, the blades of the wind generating set are horizontally arranged, so that the aerodynamic energy can be utilized to the maximum extent, and the engine room and the main shaft are vertically arranged, so that the influence on a gas flow field can be reduced.

Furthermore, the diameter of the impeller of the wind generating set is 60% -90% of the diameter of the throat of the water cooling tower body, and the safety of the fan blade during operation is ensured while the kinetic energy of gas is fully utilized.

Furthermore, the water removing device adopts a plate-type water collector arranged in a double-layer mode, the water removing efficiency is high, and the influence of large airflow resistance brought by a mesh-shaped water remover on the efficiency of the wind turbine generator is avoided.

Furthermore, the dewatering devices are uniformly distributed in the cooling water tower body along the radial direction, so that the dewatering effect is good and the effect is uniform.

Furthermore, the copper indium gallium selenide battery is adopted as the solar thin film battery, so that the solar thin film battery is low in cost, small in pollution, free of fading, good in low-light performance, simple in arrangement and easy to arrange on the outer wall of the hyperbolic cooling tower.

Further, be equipped with humidity transducer on the support frame, humidity transducer can feed back spray set and dewatering device with the humidity data of going upward gas to adjust spraying volume and dewatering power.

Furthermore, the outside anticorrosive coating that is equipped with of support frame prevents high-temperature and high-humidity gas long-term corrosion, improves life, guarantees the security of system simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1-circulating water pipeline, 2-circulating water, 3-spraying device, 4-cold air, 5-dewatering device, 6-dry air, 7-support frame, 8-wind generating set, 9-cooling tower body, 10-solar thin film battery, 11-reservoir and 12-grid-connected component.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention:

as shown in fig. 1, it is the utility model discloses a wind-solar coupled cooling tower for thermal power station, including circulating water pipeline 1, spray set 3, water trap 5, support frame 7, wind generating set 8, cooling tower body 9, solar energy thin film battery 10 and subassembly 12 that is incorporated into the power networks.

The cooling tower body 9 is hyperbolic, the spraying devices 3 are divided into a plurality of groups, the groups are circumferentially and uniformly distributed in the middle of the cooling tower body 9 and face the lower part inside the cooling tower body 9, one end of the circulating water pipeline 1 is connected with the spraying devices 3, and the other end of the circulating water pipeline is connected with the circulating water system.

Support frame 7 is established at the throat of cooling tower body 9, and preferably, support frame 7 preferably adopts the material that intensity is high, simultaneously, is equipped with the anticorrosive coating in support frame 7 outside, prevents that the high humid tropical gas from corroding for a long time, improves life, guarantees the security of system simultaneously. The wind generating set 8 is arranged on the support frame 7, and the windward side of the blades of the wind generating set 8 faces downwards; preferably, the blades of the wind park 8 are arranged horizontally and the nacelle and the main shaft are arranged vertically. The safety of the fan blade during operation is ensured while the gas kinetic energy is comprehensively considered and fully utilized, and the diameter of the impeller of the wind generating set 8 is 60% -90% of the diameter of the throat part of the water cooling tower body 9.

In a preferred embodiment of the present invention, a humidity sensor is disposed on the supporting frame 7, and the humidity sensor is connected to the control systems of the spraying device 3 and the water removing device 5 respectively. The humidity sensor can feed back the humidity data of the upward gas to the spraying device 3 and the dewatering device 5, so that the spraying amount and the dewatering power are adjusted.

The water removal device 5 is arranged between the spraying device 3 and the wind generating set 8; preferably, the dewatering device 5 is a plate-type water collector arranged in a double-layer manner, and the dewatering device 5 is uniformly distributed in the cooling tower body 9 along the radial direction.

The bottom of the water cooling tower body 9 is provided with a reservoir 11; the solar thin film battery 10 is arranged on the outer wall of the cooling tower body 9, and the copper indium gallium selenide battery is preferably selected as the solar thin film battery 10.

The wind generating set 8 and the solar thin film battery 10 are respectively connected with the grid-connected component 12 through cables.

The working method of the wind-solar coupled cooling tower for the thermal power station comprises the following steps:

the circulating water 2 absorbs heat after passing through a condenser cooling medium, is conveyed to a water cooling tower through a circulating water pipeline 1, is sprayed by a spraying device 3 and enters a reservoir 11 downwards; the circulating water 2 absorbs part of heat of the working medium when the condenser performs heat exchange, so that the temperature of the circulating water is higher than the atmospheric temperature. The circulating water 2 exchanges heat with the surrounding air in the falling process, the temperature of the surrounding air is increased, the density is reduced, the convection from bottom to top is formed, and the cold air 4 outside the water cooling tower can be quickly supplemented from the bottom of the water cooling tower body 9; when the air and the circulating water 2 are in convection, the mass exchange is carried out while the temperature exchange is carried out, part of the circulating water 2 is changed into water vapor, and the humidity of the air is increased; the wet air ascends, passes through the dewatering device 5, condenses part of the water vapor in the air into water, and falls to the reservoir 11; the dewatered dry air 6 continuously goes upwards, the blades are driven to rotate when passing through the blades of the wind generating set 8 to generate electric energy, and after continuously passing through the wind turbine, the gas going upwards is discharged into the atmosphere through an upper outlet of the water cooling tower body 9;

the solar thin-film battery 10 arranged on the tower wall surface of the water cooling tower body 9 can absorb sunlight to generate electric quantity when the sunlight irradiates; electric energy generated by the wind generating set 8 and the solar thin film battery 10 is rectified, inverted and boosted by the grid-connected component 12, and then is merged into a power transmission line of a thermal power plant to be connected into a power grid.

Although some terms are used in the present invention, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the present invention and are to be construed as any additional limitation which is not in accordance with the spirit of the present invention. The above description is only used as an example to further illustrate the content of the present invention, so as to facilitate understanding, but not to represent that the embodiment of the present invention is limited to this, and any technical extension or re-creation according to the present invention is protected by the present invention.

Claims

1. A wind-solar coupled cooling tower for a thermal power station is characterized by comprising a circulating water pipeline (1), a spraying device (3), a water removal device (5), a support frame (7), a wind generating set (8), a cooling tower body (9), a solar thin-film battery (10) and a grid-connected component (12);

the cooling tower body (9) is hyperbolic, the spraying device (3) is arranged in the middle of the cooling tower body (9) and faces the lower part of the inside of the cooling tower body (9), one end of the circulating water pipeline (1) is connected with the spraying device (3), and the other end of the circulating water pipeline is connected with a circulating water system; the supporting frame (7) is arranged at the throat part of the cooling tower body (9), the wind generating set (8) is arranged on the supporting frame (7), and the windward side of the blades of the wind generating set (8) faces downwards; the water removal device (5) is arranged between the spraying device (3) and the wind generating set (8); a reservoir (11) is arranged at the bottom of the water cooling tower body (9); the solar thin-film battery (10) is arranged on the outer wall of the cooling tower body (9); the wind generating set (8) and the solar thin film battery (10) are respectively connected with the grid-connected component (12) through cables.

2. The wind-solar coupled thermal power station water cooling tower according to claim 1, wherein the spraying devices (3) are divided into a plurality of groups and are circumferentially and uniformly distributed in the water cooling tower body (9).

3. The wind-solar coupled thermal power station cooling tower according to claim 1, wherein the blades of the wind generating set (8) are horizontally arranged, and the engine room and the main shaft are vertically arranged.

4. The wind-solar coupled thermal power station water cooling tower according to claim 1, wherein the diameter of the impeller of the wind generating set (8) is 60-90% of the diameter of the throat part of the water cooling tower body (9).

5. The wind-solar coupled thermal power station cooling tower according to claim 1, wherein the water removing device (5) is a plate-type water collector arranged in a double layer.

6. The wind-solar coupled thermal power plant cooling tower according to claim 5, characterized in that the water removal devices (5) are radially and evenly distributed inside the cooling tower body (9).

7. The wind-solar coupled cooling tower for a thermal power station according to claim 1, wherein the solar thin film battery (10) is a copper indium gallium selenide battery.

8. The wind-solar coupled cooling tower for the thermal power station as claimed in claim 1, wherein a humidity sensor is arranged on the supporting frame (7), and the humidity sensor is respectively connected with the control systems of the spraying device (3) and the dewatering device (5).

9. The wind-solar coupled thermal power station cooling tower according to claim 1, wherein an anticorrosive layer is arranged outside the support frame (7).