CN216115493U

CN216115493U - Cooling tower driving fan to rotate through circulating water flow

Info

Publication number: CN216115493U
Application number: CN202122372999.0U
Authority: CN
Inventors: 王逸之; 韦笑蕾
Original assignee: Xi'an Libang Energy Saving Technology Development Co ltd
Current assignee: Xi'an Libang Energy Saving Technology Development Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-22
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a cooling tower for driving a fan to rotate through circulating water flow, which relates to the technical field of cooling towers and solves the problems of poor cooling effect and high running cost of the fan; the internal circulation pipeline pushes the water turbine to rotate and drives the fan impeller at the same time, so that a fan mechanism driven by the internal circulation water is formed; the combined type spraying device comprises a spraying radiation pipe disc arranged at the bottom of the water turbine and a spraying spiral pipe disc communicated with an external circulation pipeline. According to the utility model, the internal circulation pipeline is arranged to circularly cool the water in the cooling tower, so that the cooling effect is enhanced, the good cooling effect of multiple circulations is ensured, the internal circulation pipeline is also used as a power source to push the rotation of the water turbine, a fan mechanism driven by the circulating water is further formed, and the power consumption cost and the maintenance cost of the fan are reduced.

Description

Cooling tower driving fan to rotate through circulating water flow

Technical Field

The utility model relates to the technical field of cooling towers, in particular to a cooling tower which drives a fan to rotate through circulating water flow.

Background

When the cooling tower works, the water temperature is sometimes too high, the water temperature in one cooling process may not reach the cooling standard, and the effect of heat exchange by recycling is not ideal; the fan in the cooling tower needs to be driven by a motor when running, the power consumption cost of the motor is high, and the maintenance frequency can be increased due to the influence of water vapor in the cooling tower on the running process of the fan; how to ensure the cooling effect and how to reduce the running cost of the fan become the problems to be considered by the technical personnel in the cooling tower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of poor primary cooling effect and high running cost of a fan, and provides a cooling tower for driving the fan to rotate by circulating water flow.

The utility model specifically adopts the following technical scheme for realizing the purpose:

a cooling tower driving a fan to rotate through circulating water flow comprises a shell, wherein the top of the shell is provided with an opening, the middle of the shell is provided with a filler area and a louver area, the bottom of the shell is a chassis, the center of the chassis is a water outlet bottom pipe, a fan mechanism and a combined type spraying device are arranged in the top of the shell, and an external circulating pipeline and an internal circulating pipeline are arranged outside the shell; the internal circulation pipeline is downwards communicated with the water outlet bottom pipe, upwards leads into the shell and is communicated with the water turbine, and the center of the top of the water turbine is connected with a fan impeller to form a fan mechanism driven by internal circulation water; the center of the bottom of the water turbine is a water outlet pipe of the water turbine, the tail end of the water outlet pipe of the water turbine is a spraying radiation pipe disc in the composite spraying device, the composite spraying device further comprises a spraying spiral pipe disc, the spraying spiral pipe disc is communicated with a water inlet pipe in an external circulation pipeline, and a water drain pipe in the external circulation pipeline is communicated with a water outlet bottom pipe.

Furthermore, the combined type spray device comprises a spray spiral pipe disc and a spray radiant pipe disc, wherein the spray spiral pipe disc is arranged on the spray radiant pipe disc and is supported by the spray radiant pipe disc.

Specifically, the spiral spraying pipe disc is formed by arranging a metal thick pipe in the same plane in a spiral winding mode, the pipe is wound by taking a water turbine water outlet pipe as the center, the closed terminal of the pipe is close to the water turbine water outlet pipe, the starting end of the pipe is communicated with a water inlet pipe, and spraying heads are arranged on the pipe wall below the pipe at intervals.

Specifically, the spray radiant tube plate is formed by radially arranging a plurality of metal thin tubes with equal length around a water outlet pipe of the water turbine on the same plane, each metal thin tube is communicated with the water outlet pipe of the water turbine, and the spray heads are downwards arranged along the metal thin tubes at uniform intervals

The utility model has the following beneficial effects:

1. according to the utility model, the internal circulation pipeline is arranged to circularly cool the water in the cooling tower, so that the cooling effect is enhanced, the good cooling effect of multiple circulations is ensured, the internal circulation pipeline is also used as a power source to push the rotation of the water turbine, a fan mechanism driven by the circulating water is further formed, and the power consumption cost and the maintenance cost of the fan are reduced.

2. The combined type spraying device can enhance the spraying effect, and the spraying spiral pipe disc is supported by the spraying radiant pipe disc, so that the stable arrangement of the structure of the spraying spiral pipe disc is ensured.

3. The spray spiral pipe disc and the structure of the spray spiral pipe disc can realize dispersed spraying, the spraying range is wide, and the good spraying effect is ensured.

Drawings

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

FIG. 2 is a spray coil disk in the outer circulation of the present invention;

FIG. 3 is a spray emitter tray in the internal circulation of the present invention;

reference numerals: 1-fan impeller, 2-water turbine, 3-spray spiral pipe disc, 4-packing area, 5-louver area, 6-chassis, 7-external circulating pump, 8-water inlet pipe, 9-water outlet pipe, 10-water outlet bottom pipe, 11-internal circulating pump, 12-internal circulating pipeline, 13-water turbine water outlet pipe and 14-spray radiant pipe disc.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a cooling tower driving a fan to rotate by circulating water flowing, which includes a housing, a fan mechanism and a composite spraying device disposed inside the top of the housing, and an external circulation pipeline and an internal circulation pipeline 12 disposed outside the housing, wherein a control valve is disposed in the pipeline according to actual requirements.

Further explaining the structural characteristics of the shell, the top of the shell is provided with an opening, the opening is provided with a fan impeller 1, the middle of the shell is provided with filler, the filler is regarded as a filler area 4 of the shell, a louver area 5 is arranged below the filler area 4, and the louver area 5 is a louver structure which is arranged around the shell and is ventilated; the lower part of the louver area 5 is the bottom of the shell, and the bottom of the shell is a chassis 6 for receiving running water.

Further explaining the component characteristics of the fan mechanism, the water turbine 2 is connected below the fan impeller 1, the fan impeller 1 is driven to rotate by the water turbine 2, and the power of the water turbine 2 comes from the circulating water flow of the internal circulation pipeline 12, so that the fan mechanism driven by the circulating water is formed.

Further explaining the components of the combined spray device, the combined spray device comprises a spray radiant tube plate 14 through which the internal circulating water flows and a spray spiral tube plate 3 through which the external circulating water flows; the spray coil plate 3 is positioned above the spray radiant tube plate 14, and the overall stability of the spray coil plate 3 is kept by the support of the spray radiant tube plate 14.

The spray radiant tube plate 14 discharges water flowing through the water turbine 2 to the lower packing area 4 and finally collects the water into the chassis 6, and the specific arrangement mode of the spray radiant tube plate 14 is as follows: a water turbine outlet pipe 13 is arranged downwards in the center of the water turbine 2, the water turbine outlet pipe 13 is of a circular pipe structure, and the tail end of the water turbine outlet pipe is communicated with a spraying and radiating pipe disc 14.

The spraying spiral pipe disc 3 is connected with a water inlet pipe 8 in an external circulation pipeline, external circulating water is sprayed and discharged towards a filler area below the external circulation pipeline and finally collected into the chassis 6 in a centralized mode, a water outlet bottom pipe 10 is arranged in the center of the chassis 6, the water outlet bottom pipe 10 is communicated with a water outlet pipe 9 in the external circulation pipeline, the external circulating water flows to equipment needing heat dissipation through the water outlet pipe 9 to carry out heat exchange, then flows back to the cooling tower, enters the water inlet pipe 8 through the pressurization of an external circulation pump 7, then enters the cooling tower, is sprayed downwards from the spraying spiral pipe disc 3 to be cooled, and the flowing process of the external circulating water is repeated.

The water outlet bottom pipe 10 is also communicated with an internal circulation pipeline 12, the internal circulation pipeline 12 is upwards connected with the water turbine 2, an internal circulation pump 11 for pressurization is further arranged in the internal circulation pipeline 12, and the flow speed of internal circulation water and the rotation speed of the water turbine 2 are influenced by adjusting the water supply pressure of the internal circulation pump 11, so that the rotation speed of the fan impeller 1 is controlled.

When the cooling device is used, the external circulating pump 7 is started, external circulating water subjected to heat exchange is pumped into the water inlet pipe 8 in a pressurizing mode, then enters the cooling tower along the water inlet pipe 8, is sprayed downwards from the spraying spiral pipe disc 3 for cooling, and finally cooled water is converged into the base plate 6; in order to achieve a better cooling effect, secondary cooling needs to be performed through internal circulation, then water in the chassis 6 is pumped into an internal circulation pipeline 12 from a water outlet bottom pipe 10 through the suction effect of an internal circulation pump 11, then enters the top of a cooling tower shell along the internal circulation pipeline 12 and flows through a water turbine 2, the water turbine drives a fan impeller 1 at the top of the water turbine to rotate, water flows downwards into a spraying radiation pipe disc 14 and is sprayed downwards for cooling, finally cooled water is converged into the chassis 6, and then flows through the water outlet bottom pipe 10 and enters external circulation from a water discharge pipe 9 for heat exchange.

Example 2

As shown in fig. 2, on the basis of embodiment 1, for better spraying effect, the spraying spiral pipe disc 3 is formed by spirally winding a thick metal pipe in the same plane, the pipe is wound around the water turbine outlet pipe 13 as a center, the closed end of the pipe is close to the water turbine outlet pipe 13, the starting end of the pipe is communicated with the water inlet pipe 8, and spraying heads are arranged on the pipe wall below the pipe at intervals, so that the water flow in the pipe is sprayed out downwards from the spraying heads.

Example 3

As shown in fig. 3, on the basis of embodiment 1 or embodiment 2, in order to maintain the stability of the entire spray coil plate 3 and to achieve a better spray effect, the spray radiant tube plate 14 is formed by radially arranging a plurality of metal thin tubes with equal length on the same plane around the water turbine outlet pipe 13, each metal thin tube is communicated with the water turbine outlet pipe 13, and the spray headers are arranged downward at uniform intervals along the metal thin tubes.

The spray radiant tube plate 14 has a bearing function, can support the spray spiral tube plate 3 arranged above the spray radiant tube plate, and strengthens the spraying effect under the combined action of the spray radiant tube plate 3, and meanwhile, the spray radiant tube plate 14 is provided with radial spray pipelines, so that the spraying range is wide, and the spraying effect is good.

Claims

1. A cooling tower driving a fan to rotate through circulating water flow comprises a shell, wherein the top of the shell is provided with an opening, the middle of the shell is provided with a filler area (4) and a louver area (5), the bottom of the shell is provided with a chassis (6), and the center of the chassis (6) is provided with a water outlet bottom pipe (10), and is characterized in that a fan mechanism and a composite spraying device are arranged in the top of the shell, and an external circulating pipeline and an internal circulating pipeline (12) are arranged outside the shell; the internal circulation pipeline (12) is communicated with the water outlet bottom pipe (10) downwards, the internal circulation pipeline is upwards introduced into the shell and communicated with the water turbine (2), and the center of the top of the water turbine (2) is connected with the fan impeller (1) to form a fan mechanism driven by internal circulation water; the center of the bottom of the water turbine (2) is a water turbine outlet pipe (13), the tail end of the water turbine outlet pipe (13) is a spraying radiation pipe disc (14) in the composite spraying device, the composite spraying device further comprises a spraying spiral pipe disc (3), the spraying spiral pipe disc (3) is communicated with a water inlet pipe (8) in an outer circulation pipeline, and a water outlet pipe (9) in the outer circulation pipeline is communicated with a water outlet bottom pipe (10).

2. The cooling tower of claim 1, wherein the combined spraying device comprises a spraying spiral pipe disc (3) and a spraying radiation pipe disc (14), wherein the spraying spiral pipe disc (3) is arranged on the spraying radiation pipe disc (14) and is supported by the spraying radiation pipe disc (14).

3. A cooling tower for driving a fan to rotate by circulating water flow according to claim 1 or 2, characterized in that said spray coil plate (3) is formed by a metal thick pipe in a spiral winding manner in the same plane, the pipe is wound around a water outlet pipe of a water turbine, and spray headers are arranged at intervals on the pipe wall under the pipe.

4. The cooling tower for driving the fan to rotate by the circulating water flowing according to claim 3, wherein the spray radiation pipe disc (14) is formed by a plurality of metal thin pipes with equal length radially arranged on the same plane around the water turbine outlet pipe, each metal thin pipe is communicated with the water turbine outlet pipe, and the spray heads are arranged downwards at even intervals along the metal thin pipes.