CN212079518U

CN212079518U - Tower bottom air circulating device of high-power offshore wind generating set

Info

Publication number: CN212079518U
Application number: CN202020765128.8U
Authority: CN
Inventors: 鲁学春
Original assignee: Treolica Tianjin Co ltd
Current assignee: Treolica Tianjin Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-04
Anticipated expiration: 2030-05-11

Abstract

The utility model provides a high-power offshore wind generating set tower bottom air cycle device. Air circulating device at bottom of high-power offshore wind generating set includes the casing, induced air mechanism, clean mechanism, the water storage tank, screw mechanism and active carbon otter board, the casing divide into the induced air chamber that distributes from top to bottom through the baffle, cooling chamber and drying chamber, a plurality of is used for introducing the induced air mechanism in the casing with the air and installs on the casing that the induced air chamber corresponds, clean mechanism installs in the induced air chamber, water storage tank fixed mounting is in the cooling chamber, and the middle-open of water storage tank is equipped with the installation cavity that communicates each other with the induced air chamber, screw mechanism installs in the installation cavity that the water storage tank was seted up, an active carbon otter board fixed mounting for carrying out drying process to the air current is in. The utility model provides a high-power offshore wind generating set tower bottom air cycle device has the advantage that improves the air drying ability.

Description

Tower bottom air circulating device of high-power offshore wind generating set

Technical Field

The utility model relates to a aerogenerator technical field especially relates to a high-power offshore wind generating set tower bottom air circulation device.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.

And the humidity of the air at the tower bottom of the wind generating set which is partially arranged on the sea is large, so that the rust of partial building elements of the wind generating set is easy to generate.

Therefore, it is necessary to provide a tower bottom air circulation device of a high-power offshore wind generating set to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a high-power offshore wind turbine unit tower bottom air circulation device with improve air drying ability.

In order to solve the technical problem, the utility model provides a high-power offshore wind turbine unit air cycle device includes at the bottom of the tower: the shell is divided into an air-inducing chamber, a cooling chamber and a drying chamber which are distributed up and down through partition plates, a plurality of air-inducing mechanisms for introducing air into the shell are arranged on the shell corresponding to the air-inducing chamber, the induced draft mechanism comprises an induced draft fan and a filter screen, the induced draft fan is fixedly arranged in an installation cavity arranged on the side wall of the air entraining chamber, the filter screen is fixedly arranged on the inner wall of the installation cavity, a cleaning mechanism for cleaning the filter screen is arranged in the air entraining chamber, a water storage tank is fixedly arranged in the cooling chamber, an installation cavity communicated with the air entraining chamber is arranged in the water storage tank, a screw mechanism for improving the air current stroke is installed in the installation intracavity that the water storage tank was seted up for carry out the active carbon otter board fixed mounting that drying process is carried out to the air current in the drying chamber, and the lateral wall of drying chamber is seted up a plurality of evenly distributed's exhaust hole.

Preferably, clean mechanism includes driving motor, stirring fan and clean brush, and driving motor fixed mounting is at the top of casing, and the driving motor output extends to the bleed indoor and fixed mounting has the stirring fan that the polylith annular distributes, and the outer wall of each stirring fan all is fixed the gomphosis and has clean brush, and clean brush and filter screen in close contact with.

Preferably, the bottom of the air-leading chamber is fixedly provided with a base, and a circular truncated cone groove with a downward conical head and communicated with the mounting cavity is formed in the base.

Preferably, the screw mechanism comprises a fixing column and a screw plate, the screw plate is fixedly mounted on the outer wall of the fixing column, and the outer wall of the screw plate is fixedly connected with the inner ring wall of the mounting cavity.

Preferably, the bottom of the shell is fixedly provided with a rotating column, and the rotating column is rotatably arranged on the bottom plate.

Preferably, the exhaust holes formed in the drying chamber are all provided with metal meshes.

Compared with the prior art, the utility model provides a high-power offshore wind generating set air cycle device at bottom of tower has following beneficial effect:

the utility model provides a tower bottom air circulation device of a high-power offshore wind generating set, a plurality of groups of air circulation devices are arranged at two sides under a wind generating set tower, a draught fan in an opening device absorbs hot air above the tower bottom of the generating set into a gas entraining chamber and filters the hot air through a filter screen, the air flow in the gas entraining chamber enters an installation cavity arranged in a water storage tank through a circular table groove and is cooled by utilizing water liquid in the water storage tank, a spiral plate on a spiral mechanism enables the stroke of the air flow in the installation cavity arranged in the water storage tank to be improved, the time length of contact with the water storage tank is prolonged, the cooling speed of the air is further improved, the cooled air flow is dried through an active carbon mesh plate and then is discharged to an outer exhaust hole, therefore, the draught fan above the shell drains the hot air flow at the upper layer of the tower bottom, and the cooled air flow is discharged to, the air at the bottom of the whole tower forms circular flow, and the protection of the wind generating set is improved.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a tower bottom air circulation device of a high-power offshore wind turbine generator system provided by the present invention;

fig. 2 is a schematic cross-sectional view of the structure shown in fig. 1.

Reference numbers in the figures: 1. the device comprises a shell, 2, an air introducing chamber, 3, a cooling chamber, 4, a drying chamber, 5, an air introducing mechanism, 51, an induced draft fan, 52, a filter screen, 6, a cleaning mechanism, 61, a driving motor, 62, a stirring fan, 63, a cleaning brush, 7, a base, 8, a water storage tank, 9, a screw mechanism, 91, a fixing column, 92, a spiral plate, 9a, an activated carbon screen plate, 9b, an exhaust hole, 9c, a bottom plate, 9d and a rotating column.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a tower bottom air circulation device of a high-power offshore wind turbine generator system according to the present invention; fig. 2 is a schematic cross-sectional view of the structure shown in fig. 1. High-power offshore wind generating set tower bottom air cycle device includes: the device comprises a shell 1, an air inducing mechanism 5, a cleaning mechanism 6, a water storage tank 8, a screw mechanism 9 and an active carbon screen plate 9 a.

In the specific implementation process, as shown in fig. 1 and 2, the casing 1 is divided into an air introducing chamber 2, a cooling chamber 3 and a drying chamber 4 which are distributed up and down by a partition board, a plurality of air inducing mechanisms 5 for introducing air into the casing 1 are installed on the casing 1 corresponding to the air introducing chamber 2, each air inducing mechanism 5 comprises an induced draft fan 51 and a filter screen 52, the induced draft fan 51 is fixedly installed in an installation cavity formed in the side wall of the air introducing chamber 2, the filter screen 52 is fixedly installed on the inner wall in the installation cavity, a cleaning mechanism 6 for cleaning the filter screen 52 is installed in the air introducing chamber 2, the cleaning mechanism 6 comprises a driving motor 61, a stirring fan 62 and a cleaning brush 63, the driving motor 61 is fixedly installed at the top of the casing 1, the output end of the driving motor 61 extends into the air introducing chamber 2 and is fixedly installed with a plurality of stirring fans 62 distributed in an annular shape, the outer wall of each stirring fan 62, the cleaning brush 63 is in close contact with the filter screen 52, the bottom of the air-leading chamber 2 is fixedly provided with a base 7, and a circular truncated cone groove with a downward conical head and communicated with the mounting cavity is formed in the base 7.

It should be noted that: the induced draft fan 51 is started to absorb the hot air flow above the tower bottom of the generator set into the air induction chamber 2 and filter the hot air flow through the filter screen 52, the driving motor 61 is started to drive the stirring fan 62 to stir the air flow entering the air induction chamber 2, so that the hot air flow is uniformly dispersed, and meanwhile, the rotating stirring fan 62 clears away impurities attached to the filter screen 52 through the cleaning brush 63.

Referring to fig. 2, the water storage tank 8 is fixedly installed in the cooling chamber 3, an installation cavity communicated with the bleed air chamber 2 is opened in the water storage tank 8, the screw mechanism 9 includes a fixing column 91 and a screw plate 92, the screw plate 92 is fixedly installed on the outer wall of the fixing column 91, and the outer wall of the screw plate 92 is fixedly connected with the inner ring wall of the installation cavity.

It should be noted that: the air current in the air guide chamber 2 enters the installation cavity formed by the water storage tank 8 through the circular truncated cone groove and is cooled by using water liquid in the water storage tank 8, and the spiral plate 92 on the spiral mechanism 9 enables the air current to be increased in the installation cavity formed by the water storage tank 8, so that the contact length with the water storage tank 8 is increased, and the cooling rate of the air is further increased.

Referring to fig. 2, an activated carbon screen plate 9a for drying the air flow is fixedly installed in the drying chamber 4, a plurality of uniformly distributed exhaust holes 9b are formed in the side wall of the drying chamber 4, metal mesh holes are installed in the exhaust holes 9b formed in the drying chamber 4, and the cooled air flow is dried by the activated carbon screen plate 9a and then discharged along with the exhaust holes 9 b.

Wherein, the bottom fixed mounting of casing 1 has the rotation post 9d, and rotates post 9d and rotate and install on bottom plate 9c, and casing 1 of being convenient for rotates through rotating post 9 d.

The utility model provides a high-power offshore wind generating set tower bottom air cycle device's theory of operation as follows:

a plurality of groups of air circulation devices are arranged at two sides below a wind power generator group tower, a draught fan 51 in an opening device absorbs hot air above the tower bottom of the generator group into an air guide chamber 2 and filters the hot air through a filter screen 52, a driving motor 61 is opened to drive a stirring fan 62 to stir the air flow entering the air guide chamber 2 so that the hot air is uniformly dispersed, meanwhile, the rotating stirring fan 62 removes impurities attached to the filter screen 52 through a cleaning brush 63, the air flow in the air guide chamber 2 enters an installation cavity formed by a water storage tank 8 through a circular platform groove and is cooled by using water liquid in the water storage tank 8, a spiral plate 92 on a spiral mechanism 9 improves the stroke of the air flow in the installation cavity formed by the water storage tank 8, the contact time length of the air flow with the water storage tank 8 is prolonged, the cooling rate of the air is further improved, the cooled air flow is dried through an active carbon screen plate 9a and then is discharged along with an exhaust hole 9b, therefore, the induced draft fan 2 above the shell 1 conducts drainage on hot air flow on the upper layer of the tower bottom, and the cooled air flow is discharged to the lower layer of the tower bottom through the exhaust holes 9b, so that air on the whole tower bottom forms circular flow, and the protection of the wind generating set is improved.

The utility model discloses well driving motor 61 adopts Y80M1-2 model, and driving motor 61 moves for current conventional circuit, and driving motor 61's power supply interface passes through the switch and connects the power supply system, realizes driving motor 61's rotation control, the utility model discloses well circuit and the control that relate to are prior art, do not carry out too much the repeated description here.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. The utility model provides a high-power offshore wind generating set tower bottom air cycle device which characterized in that includes:

the device comprises a shell (1), wherein the shell (1) is divided into a gas introducing chamber (2), a cooling chamber (3) and a drying chamber (4) which are distributed up and down through a partition plate;

the air inducing mechanisms (5) are used for introducing air into the shell (1), the air inducing mechanisms (5) are installed on the shell (1) corresponding to the air inducing chamber (2), each air inducing mechanism (5) comprises an induced draft fan (51) and a filter screen (52), the induced draft fans (51) are fixedly installed in installation cavities formed in the side walls of the air inducing chamber (2), and the filter screens (52) are fixedly installed on the inner walls of the installation cavities;

the cleaning mechanism (6) is used for cleaning the filter screen (52), and the cleaning mechanism (6) is arranged in the air guide chamber (2);

the water storage tank (8) is fixedly arranged in the cooling chamber (3), and an installation cavity communicated with the air introducing chamber (2) is formed in the water storage tank (8);

the screw mechanism (9) is used for improving the airflow stroke, and the screw mechanism (9) is arranged in an installation cavity formed in the water storage tank (8);

the active carbon otter board (9a) is used for drying the air flow, the active carbon otter board (9a) is fixedly installed in the drying chamber (4), and a plurality of exhaust holes (9b) which are uniformly distributed are formed in the side wall of the drying chamber (4).

2. The tower bottom air circulation device of the high-power offshore wind turbine unit according to claim 1, wherein the cleaning mechanism (6) comprises a driving motor (61), a stirring fan (62) and a cleaning brush (63), the driving motor (61) is fixedly installed at the top of the shell (1), the output end of the driving motor (61) extends into the air introducing chamber (2) and is fixedly installed with a plurality of stirring fans (62) distributed in an annular shape, the cleaning brush (63) is fixedly embedded in the outer wall of each stirring fan (62), and the cleaning brush (63) is in close contact with the filter screen (52).

3. The tower bottom air circulation device of the high-power offshore wind turbine generator system according to claim 1, wherein a base (7) is fixedly installed at the bottom of the air introducing chamber (2), and a circular groove with a downward conical head and communicated with the installation cavity is formed in the base (7).

4. The tower bottom air circulation device of the high-power offshore wind turbine generator set according to claim 1, wherein the screw mechanism (9) comprises a fixed column (91) and a screw plate (92), the screw plate (92) is fixedly installed on the outer wall of the fixed column (91), and the outer wall of the screw plate (92) is fixedly connected with the inner ring wall of the installation cavity.

5. High power offshore wind turbine tower bottom air circulation device according to claim 1, characterized in that the bottom of the housing (1) is fixedly mounted with a rotation column (9d) and the rotation column (9d) is rotatably mounted on the bottom plate (9 c).

6. The tower bottom air circulation device of the high-power offshore wind turbine unit according to claim 1, wherein metal meshes are installed in the exhaust holes (9b) formed in the drying chamber (4).