CN217607658U - A wind turbine liquid cooling system filter device and wind turbine liquid cooling system - Google Patents

Abstract

The utility model discloses a liquid cooling system filtering device of a wind driven generator and a liquid cooling system of the wind driven generator, which comprises a filter element sleeve and a filter element assembly arranged in the filter element sleeve, wherein a first end of the filter element sleeve is connected with a first hose, the end part of the first hose is connected with a first connecting pipe, and a first valve is arranged on the first connecting pipe; the second end of the filter element sleeve is connected with a second hose, the end part of the second hose is connected with a second connecting pipe, and a second valve is arranged on the second connecting pipe. The utility model discloses can effectually prevent that the pollutant from getting into aerogenerator liquid cooling system's heat exchanger, effectively avoid dismantling the cleaning work to the heat exchanger, reduce the work degree of difficulty.

Description

Filtration device for liquid cooling system of wind power generator and liquid cooling system of wind power generator

technical field

The utility model belongs to the technical field of wind power generators, in particular to a filter device for a liquid cooling system of a wind power generator and a liquid cooling system of a wind power generator.

Background technique

Compared with the air cooling system, the liquid cooling system of the wind turbine has more efficient heat transfer performance, so the gearbox, generator, frequency converter, hydraulic station and other systems of the large wind turbine all adopt the liquid cooling system. The cleanliness of the coolant in the liquid cooling system directly affects the heat transfer performance of the cooling system. Once the coolant is polluted, the pollutants are adsorbed on the heat exchanger, or the heat exchange components are blocked, which will cause gear boxes, generators, and frequency converters to , The cooling performance of the hydraulic station is reduced, which leads to the reduction of the fan capacity or the stop of power generation. And the only way to deal with the polluted heat exchanger is to dismantle the heat exchanger and clean and replace it. This method needs to drain all the coolant before disassembling the heat exchanger, and inject the coolant after the cleaning is completed; for the sealed heat exchanger, the cleaning operation cannot be performed on the tower, and the heat exchanger needs to be moved to the bottom of the tower, which takes a long time and work difficulty.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides a filter device for a liquid cooling system of a wind power generator and a liquid cooling system of a wind power generator, which can effectively prevent pollutants from entering the heat exchanger of the liquid cooling system of a wind power generator , Effectively avoid the disassembly and cleaning of the heat exchanger and reduce the difficulty of work.

In order to solve the above technical problems, the utility model is realized through the following technical solutions:

A filter device for a liquid cooling system of a wind power generator, comprising a filter element casing, a filter element assembly disposed in the filter element casing, a first end of the filter element casing is connected to a first hose, and the first hose A first connecting pipe is connected to the end of the first connecting pipe, and a first valve is arranged on the first connecting pipe; a second hose is connected to the second end of the filter sleeve, and the end of the second hose is connected to a The second connecting pipe is provided with a second valve.

Further, the first end and the second end of the filter sleeve are respectively provided with a first pressure sensor and a second pressure sensor.

Further, a first flow sensor and a second flow sensor are respectively provided at the first end and the second end of the filter sleeve.

Further, the first end of the filter sleeve is provided with a temperature sensor.

Further, one end of the first hose is fastened to the first connecting pipe through a first clamp, and the other end of the first hose is connected to the first end of the filter sleeve through a second clamp. Tight.

Further, one end of the second hose is fastened to the second end of the filter sleeve through a third clamp, and the other end of the second hose is connected to the second connecting pipe through a fourth clamp. Tight.

Further, the first valve is a ball valve.

Further, the second valve is a ball valve.

The invention relates to a liquid cooling system of a wind power generator. The cooling liquid inlet and liquid outlet of a heat exchanger in the wind power generator liquid cooling system are both connected with the filtering device.

Further, the first connecting pipe of one of the filtering devices is connected with a first cooling liquid inlet pipe, and the second connecting pipe is connected with the cooling liquid inlet of the heat exchanger through the second cooling liquid inlet pipe; The first connecting pipe of one filter device is connected through the first cooling liquid outlet pipe, and the second connecting pipe is connected with the second cooling liquid outlet pipe.

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

The utility model provides a filter device for a liquid cooling system of a wind power generator. When in use, the cooling liquid inlet and outlet of the heat exchanger in the liquid cooling system of a wind power generator are connected with a filter device. The first connecting pipe of the device is connected with the first cooling liquid inlet pipe, and the second connecting pipe is connected with the cooling liquid inlet of the heat exchanger through the second cooling liquid inlet pipe; the first connecting pipe of the other filtering device passes through The first cooling liquid outlet pipe is connected, the second connecting pipe is connected with the second cooling liquid outlet pipe, and the impurity in the cooling liquid is adsorbed and filtered in advance through the filter device to prevent the impurity from entering the heat exchanger. When the wind turbine liquid cooling system is in normal operation, the first valve and the second valve are in the open state, the filter device before the heat exchanger can filter the pollutants generated by the cooling water pipe and the cooling pump station, and the filter device after the heat exchanger The filter device can filter the pollutants produced by the heat exchanger, that is to say, the utility model can absorb the pollutants on the filter element, which can effectively prevent the pollutants from entering the heat exchanger of the liquid cooling system of the wind power generator, and effectively avoid the exchange Heater disassembly and cleaning work, reducing work difficulty. When the filter element assembly in the filter element casing needs to be replaced, the first valve and the second valve are in a closed state, and the filter device can be removed by opening the clamp connecting the hose assembly, and the filter element can be replaced, which is convenient for installation and disassembly.

In order to make the above-mentioned purpose, features and advantages of the present invention more comprehensible, preferred embodiments are specifically cited below, together with the accompanying drawings, and are described in detail as follows.

Description of drawings

In order to more clearly illustrate the technical solutions in the specific embodiments of the present invention, the accompanying drawings that need to be used in the description of the specific embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are some of the embodiments of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative work.

Fig. 1 is a structural schematic diagram of a filter device of a wind power generator liquid cooling system of the present invention;

Fig. 2 is a schematic diagram of a liquid cooling system of a wind power generator applying the filtering device of the present utility model.

In the figure: 1-filter sleeve; 2-filter assembly; 3-first hose; 4-first connecting pipe; 5-first valve; 6-second hose; 7-second connecting pipe; 8- Second valve; 9-first pressure sensor; 10-second pressure sensor; 11-first flow sensor; 12-second flow sensor; 13-temperature sensor; 14-first clamp; 15-second clamp ; 16-the third clamp; 17-the fourth clamp; 18-heat exchanger; 19-the first coolant inlet pipe; 20-the second coolant inlet pipe; 21-the first coolant outlet pipe ; 22-the second coolant outlet pipe.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model. rather than all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As a specific embodiment of the present utility model, as shown in FIG. 1 , a filter device for a liquid cooling system of a wind power generator includes a filter sleeve 1 , a filter assembly 2 arranged in the filter sleeve 1 , and a filter sleeve 1 The first end of the first hose 3 is connected to the first hose 3, the end of the first hose 3 is connected to the first connecting pipe 4, and the first connecting pipe 4 is provided with a first valve 5; the second end of the filter sleeve 1 is connected to There is a second flexible pipe 6, the end of the second flexible pipe 6 is connected with a second connecting pipe 7, and a second valve 8 is arranged on the second connecting pipe 7. Specifically, one end of the first hose 3 is fastened to the first connecting pipe 4 through the first clamp 14, and the other end of the first hose 3 is fastened to the first end of the filter sleeve 1 through the second clamp 15. Solid; one end of the second hose 6 and the second end of the filter sleeve 1 are fastened by the third clamp 16, and the other end of the second hose 6 and the second connecting pipe 7 are fastened by the fourth clamp 17. In this embodiment, both the first valve 5 and the second valve 8 are ball valves.

When in use, the coolant inlet and outlet of the heat exchanger 18 in the wind power generator liquid cooling system are connected with the filter device of the present utility model, and the impurities in the coolant are adsorbed and filtered in advance through the filter device , to prevent impurities from entering the heat exchanger. The first valve 5 and the second valve 8 are normally open during the normal operation of the cooling system. When the filter element assembly 2 in the filter element casing 1 needs to be replaced, the first valve 5 and the second valve 8 can be cut off before the filter element is replaced. The flow path avoids the work of draining and refilling the coolant before and after cleaning, reducing the difficulty of work. The hose is fastened by a clamp, and when the filter element assembly 2 needs to be disassembled, the filter element assembly 2 can be taken out by opening the clamp, which is convenient for installation and disassembly.

As a more preferred embodiment, as shown in FIG. 1, a first pressure sensor 9 and a second pressure sensor 10 are respectively provided at the first end and the second end of the filter sleeve 1, through the first pressure sensor 9 and the second The pressure sensor 10 monitors the pressure before and after the filter element assembly 2, and judges the clogging degree of the filter element according to the monitored pressure difference, and performs an early warning. In this embodiment, the early warning can be performed three months in advance to realize predictive operation and maintenance.

On the basis of the above-mentioned embodiment, more preferably, as shown in FIG. The sensor 11 and the second flow sensor 12 monitor the flow before and after the filter element assembly 2, judge the clogging degree of the filter element according to the monitored flow difference, and carry out early warning, combined with the pressure difference, the judgment of the clogging degree is more accurate.

On the basis of the above embodiments, more preferably, as shown in FIG. 1 , a temperature sensor 13 is provided at the first end of the filter sleeve 1 , and the temperature of the cooling liquid is monitored through the temperature sensor 13 . Specifically, the coolant inlet and outlet of the heat exchanger 18 in the liquid cooling system of the wind power generator are all connected with the filter device of the present utility model, and the temperature sensor 13 can be used to monitor the temperature when entering the heat exchanger 18. The temperature of the coolant and the temperature of the coolant coming out of the heat exchanger 18.

The heat exchanger mentioned in the utility model is the heat exchanger of each subsystem of the wind power generator, including but not limited to the generator heat exchanger, the gearbox heat exchanger, the hydraulic station heat exchanger and the frequency converter heat exchanger.

As shown in Figure 2, the utility model also provides a liquid cooling system for wind power generators. Public filter device. Specifically, the first connecting pipe 4 of a filtering device is connected with a first cooling liquid inlet pipe 19, and the second connecting pipe 7 is connected with the cooling liquid inlet of the heat exchanger 18 through a second cooling liquid inlet pipe 20. ; The first connecting pipe 4 of the other filtering device is connected through the first cooling liquid outlet pipe 21, and the second connecting pipe 7 is connected with the second cooling liquid outlet pipe 22.

When the wind turbine liquid cooling system is in normal operation, the first valve 5 and the second valve 8 are in the open state, the filter element can absorb and filter the pollutants in the cooling liquid, and the pressure sensor, flow sensor and temperature sensor before and after the filter element can be Monitor the working condition of the filter element. The filter device before the heat exchanger can filter the pollutants produced by the cooling water pipe and the cooling pump station, and the filter device after the heat exchanger can filter the pollutants produced by the heat exchanger. When the filter element assembly 2 in the filter element casing 1 needs to be replaced, the first valve 5 and the second valve 8 are closed, and the filter device can be removed by opening the clamp connecting the hose assembly, and the filter element can be replaced. The filter device is installed before and after the heat exchanger, and the source of the pollutant is judged to be the pipeline or the heat exchanger of a certain system by monitoring the degree of adsorption of pollutants by the filter device.

It should be noted that at last: the above-described embodiment is only the specific implementation manner of the present utility model, in order to illustrate the technical scheme of the present utility model, rather than it is limited, and the protection scope of the present utility model is not limited thereto, Although the utility model has been described in detail with reference to the aforementioned embodiments, those of ordinary skill in the art should understand that any person familiar with the technical field can still describe the aforementioned embodiments within the technical scope disclosed in the utility model. Modifications or changes can be easily imagined in the technical solutions, or equivalent replacement of some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model. All should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. The liquid cooling system filtering device of the wind driven generator is characterized by comprising a filter element sleeve (1) and a filter element assembly (2) arranged in the filter element sleeve (1), wherein a first end of the filter element sleeve (1) is connected with a first hose (3), the end part of the first hose (3) is connected with a first connecting pipe (4), and a first valve (5) is arranged on the first connecting pipe (4); the second end of filter core sleeve pipe (1) is connected with second hose (6), the end connection of second hose (6) has second connecting pipe (7), be provided with second valve (8) on second connecting pipe (7).

2. The liquid cooling system filtering device of the wind driven generator as claimed in claim 1, wherein the first end and the second end of the filter cartridge sleeve (1) are respectively provided with a first pressure sensor (9) and a second pressure sensor (10).

3. The liquid cooling system filtering device for the wind driven generator as claimed in claim 1, wherein the first end and the second end of the filter cartridge sleeve (1) are respectively provided with a first flow sensor (11) and a second flow sensor (12).

4. The liquid cooling system filtering device of the wind driven generator as claimed in claim 1, wherein the first end of the filter cartridge sleeve (1) is provided with a temperature sensor (13).

5. The liquid cooling system filtering device of the wind driven generator as claimed in claim 1, wherein one end of the first hose (3) is fastened to the first connecting pipe (4) through a first clamp (14), and the other end of the first hose (3) is fastened to the first end of the filter element sleeve (1) through a second clamp (15).

6. The liquid cooling system filtering device of the wind driven generator as claimed in claim 1, wherein one end of the second hose (6) is fastened to the second end of the filter core sleeve (1) by a third clamp (16), and the other end of the second hose (6) is fastened to the second connecting pipe (7) by a fourth clamp (17).

7. The liquid cooling system filtering device of the wind driven generator as claimed in claim 1, wherein the first valve (5) is a ball valve.

8. The liquid cooling system filtering device for the wind driven generator as claimed in claim 1, wherein the second valve (8) is a ball valve.

9. A liquid cooling system of a wind driven generator, characterized in that a liquid inlet and a liquid outlet of a cooling liquid of a heat exchanger (18) in the liquid cooling system of the wind driven generator are connected with a filtering device as claimed in any one of claims 1 to 8.

10. The liquid cooling system of claim 9, wherein a first connecting pipe (4) of the filtering device is connected with a first cooling liquid inlet pipe (19), and a second connecting pipe (7) is connected with a cooling liquid inlet of the heat exchanger (18) through a second cooling liquid inlet pipe (20); and the first connecting pipe (4) of the other filtering device is connected through a first cooling liquid outlet pipe (21), and the second connecting pipe (7) is connected with a second cooling liquid outlet pipe (22).

Images