Collecting ring dust removal device of water-turbine generator set

Abstract

The utility model provides a water-turbine generator set collector ring dust removal device, and relates to the field of generator set collector ring dust removal equipment. According to the technical scheme, a dust removal assembly comprises a dust removal shell with an air outlet, a dust removal motor and dust removal blades, the dust removal motor is installed in the dust removal shell, the output end of the dust removal motor is connected with the multiple dust removal blades, and the dust removal shell is communicated with a sealing observation sleeve; the blowing assembly comprises a blowing shell with an air inlet, a mounting frame with a blowing motor, a blowing fan and a dust cover matched with the mounting frame, the blowing fan is mounted on the mounting frame, the blowing fan is matched with the blowing motor, the mounting frame is mounted in the blowing shell, and the dust cover is detachably mounted on the mounting frame. According to the utility model, external dust entering the sealing observation sleeve can be reduced, and normal operation of the generator set can be ensured.

Description

Technical Field

[0001] The utility model relates to the field of collector ring dust removal equipment for generator sets, and in particular to a collector ring dust removal device for a hydro-generator set. Background Art

[0002] A hydroelectric generator uses a turbine as its prime mover to convert water energy into electrical energy. As water flows through the turbine, it converts the water energy into mechanical energy. The turbine's rotating shaft, in turn, drives the generator's rotor, converting the mechanical energy into electrical energy for output. After the generator is started, the constant friction between the carbon brushes and the slip rings inevitably produces a certain amount of carbon dust. If this carbon dust is not promptly removed, the natural wind speed and centrifugal force generated by the rotation of the power plant can cause carbon dust to enter the power plant, causing air pollution. More seriously, it can enter the motor rotor, reducing the insulation resistance of the exciter's armature coil, causing the motor to malfunction and resulting in significant economic losses for the power plant.

[0003] In response to the above problems, publication number: CN216800945U (publication date: 20220624) discloses a dust removal device for the collector ring of a hydro-turbine generator set, including a dust collector, a purge fan and a sealed observation cover for sealing the collector ring of the generator set. The above-mentioned dust collector is connected to the interior of the above-mentioned sealed observation cover. The above-mentioned dust collector includes a box body, a filter chamber and a fan chamber. The above-mentioned filter chamber and the above-mentioned fan chamber are both arranged inside the above-mentioned box body. The above-mentioned filter chamber is connected to the interior of the above-mentioned sealed observation cover, the above-mentioned fan chamber is connected to the above-mentioned filter chamber, and the above-mentioned purge fan is connected to the interior of the above-mentioned sealed observation cover.

[0004] While the above structure solves the problem of carbon dust generated on the collector ring during operation of existing generators not being removed in real time, it still has certain drawbacks. Specifically, in the above structure, the purge blower blows external dust through the pipe into the sealed observation sleeve during operation, thereby contaminating the collector ring. Utility Model Content

[0005] The utility model aims to provide a dust removal device for the collector ring of a hydro-generator set, which can reduce the entry of external dust into the sealed observation sleeve and ensure the normal operation of the generator set.

[0006] The embodiment of the present utility model is achieved as follows:

[0007] An embodiment of the present application provides a dust removal device for the collector ring of a hydro-turbine generator set, comprising a sealing observation cover for sealing the collector ring of the generator set, a dust removal assembly and a purge assembly; the dust removal assembly comprises a dust removal shell with an air outlet, a dust removal motor and dust removal blades, the dust removal motor is installed in the dust removal shell, the output end of the dust removal motor is connected to a plurality of dust removal blades, and the dust removal shell is connected to the sealing observation cover; the purge assembly comprises a purge shell with an air inlet, a purge motor mounting frame, a purge fan and a dust cover adapted to the mounting frame, the purge fan is installed on the mounting frame, the purge fan cooperates with the purge motor, the mounting frame is installed in the purge shell, and the mounting frame is detachably mounted with a dust cover.

[0008] In some embodiments of the present invention, the dust cover is connected to the mounting frame via bolts.

[0009] In some embodiments of the present invention, the air outlet is detachably provided with a first filter cover, the first filter cover is provided with a plurality of filter through holes, and the first filter cover is threadably engaged with the air outlet.

[0010] In some embodiments of the present invention, the air inlet is detachably provided with a second filter cover, the second filter cover is provided with a plurality of filter through holes, and the second filter cover is threadably engaged with the air outlet.

[0011] In some embodiments of the present invention, the sealed observation sleeve is provided with a heat dissipation channel, one side of the heat dissipation channel passes through the top end of the sealed observation sleeve, and the other side of the heat dissipation channel passes through the bottom end of the sealed observation sleeve.

[0012] In some embodiments of the present invention, the sealed observation sleeve is provided with a plurality of heat dissipation channels, and the plurality of heat dissipation channels are equidistantly arranged.

[0013] In some embodiments of the present invention, the sealed observation sleeve is provided with a transparent observation window.

[0014] In some embodiments of the present invention, a filter is detachably installed in the dust removal housing, and the filter is located below the dust removal motor.

[0015] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0016] A dust removal device for the collector ring of a hydro-turbine generator set includes a sealing observation sleeve for sealing the collector ring of the generator set, a dust removal assembly and a purge assembly; the dust removal assembly includes a dust removal shell with an air outlet, a dust removal motor and dust removal blades, the dust removal motor is installed in the dust removal shell, the output end of the dust removal motor is connected to a plurality of dust removal blades, and the dust removal shell is connected to the sealing observation sleeve; the purge assembly includes a purge shell with an air inlet, a purge motor mounting frame, a purge fan and a dust cover adapted to the mounting frame, the purge fan is installed on the mounting frame, the purge fan cooperates with the purge motor, the mounting frame is installed in the purge shell, and the mounting frame is detachably mounted with a dust cover.

[0017] In this embodiment, the staff can use the dust removal component and the purge component to clean the carbon powder in the sealed observation cover to ensure the normal operation of the generator set, and can also dissipate heat from the components in the cleaned sealed observation cover to improve work efficiency; further, the mounting frame is equipped with a dust cover to prevent the dust in the purge shell from being blown into the sealed observation cover, ensuring the normal operation of the generator set. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a cross-sectional view of a collector ring dust removal device for a hydro-generator set according to an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the connection between the purge fan and the mounting frame according to an embodiment of the present utility model.

[0021] Markings in the figure: 1-sealed observation cover, 2-purge housing, 3-dust removal housing, 4-dust removal motor, 5-dust removal blades, 6-filter, 7-heat dissipation channel, 8-mounting frame, 9-air outlet, 10-first filter cover, 11-air inlet, 12-second filter cover, 13-purge fan, 14-dust cover. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0024] Example

[0025] Please refer to Figure 1-Figure 2 As shown. This embodiment provides a dust removal device for a collector ring of a hydro-turbine generator set, comprising a sealed observation sleeve 1 for sealing the collector ring of the generator set, a dust removal assembly, and a purge assembly; the dust removal assembly comprises a dust removal housing 3 having an air outlet 9, a dust removal motor 4, and dust removal blades 5. The dust removal motor 4 is installed in the dust removal housing 3, and a plurality of dust removal blades 5 are connected to the output end of the dust removal motor 4. The dust removal housing 3 is in communication with the sealed observation sleeve 1. The purge assembly comprises a purge housing 2 having an air inlet 11, a purge motor mounting frame 8, a purge fan 13, and a dust cover 14 adapted to the mounting frame 8. The purge fan 13 is mounted on the mounting frame 8 and cooperates with the purge motor. The mounting frame 8 is installed in the purge housing 2, and the mounting frame 8 is detachably mounted with the dust cover 14.

[0026] In the above embodiment, a dust removal device for the collector ring of a hydro-turbine generator set is composed of a sealed observation sleeve 1, a dust removal component and a purge component. The dust removal component includes a dust removal shell 3, a dust removal motor 4 is installed in the dust removal shell 3 (the output end of the dust removal motor 4 is installed with a plurality of dust removal blades 5 through a coupling), an air outlet 9 is provided on one side of the dust removal shell 3, and the other side of the dust removal shell 3 can be connected with the sealed observation sleeve 1 through a pipeline; the purge component includes a purge shell 2, a mounting frame 8 with a purge motor is installed in the purge shell 2, a purge fan 13 is installed on the mounting frame 8, the output end of the purge motor is connected to the purge fan 13, and a dust cover 14 is detachably installed on one side of the mounting frame 8; specifically, after the staff starts the dust removal motor 4, the dust removal motor The machine 4 drives the dust removal blades 5 to rotate, and the gas in the dust removal shell 3 is discharged from the air outlet 9 to generate negative pressure in the dust removal shell 3. The carbon powder at the collector ring in the sealed observation sleeve 1 is sucked into the dust removal shell 3 under the action of negative pressure, and finally processed by the staff. After the staff starts the purge motor, wind is generated and enters the sealed observation sleeve 1. The above wind can blow the carbon powder in the sealed observation sleeve 1 toward the dust removal shell 3, and can also cool the components in the sealed observation sleeve 1. Furthermore, the mounting frame 8 is detachably installed with a dust cover 14 that cooperates with the purge fan 13 to avoid blowing impurities toward the sealed observation sleeve 1 (the outside air is continuously replenished into the purge shell 2 through the air inlet 11), and the staff can clean the dust cover 14 regularly.

[0027] In this embodiment, the staff can use the dust removal component and the purge component to clean the carbon powder in the sealed observation cover 1 to ensure the normal operation of the generator set, and can also dissipate heat from the components in the cleaned sealed observation cover 1 to improve work efficiency; further, the mounting frame 8 is installed with a dust cover 14 to prevent the dust in the purge shell 2 from being blown into the sealed observation cover 1, thereby ensuring the normal operation of the generator set.

[0028] In some embodiments of the present invention, the dust cover 14 is connected to the mounting frame 8 by bolts.

[0029] In this embodiment, the edge of the mounting frame 8 is connected to the dust cover 14 by bolts, which makes it convenient for workers to install and disassemble the dust cover 14 and to clean the dust cover 14.

[0030] In some embodiments of the present invention, the air outlet 9 is detachably mounted with a first filter cover 10 , the first filter cover 10 is provided with a plurality of filter through holes, and the first filter cover 10 is threadedly engaged with the air outlet 9 .

[0031] In this embodiment, the inner wall of the first filter cover 10 is provided with a thread, and the outer wall of the air outlet 9 is provided with a thread. The staff can install and disassemble the first filter cover 10 and the air outlet 9 relative to each other. The first filter cover 10 is provided with multiple filter holes to prevent impurities such as carbon powder in the dust removal shell 3 from being discharged and causing harm to the staff.

[0032] In some embodiments of the present invention, the air inlet 11 is detachably mounted with a second filter cover 12 , the second filter cover 12 is provided with a plurality of filter through holes, and the second filter cover 12 is threadedly engaged with the air outlet 9 .

[0033] In this embodiment, the inner wall of the second filter cover 12 is provided with a thread, and the outer wall of the air inlet 11 is provided with a thread. The staff can install and disassemble the second filter cover 12 and the air inlet 11 relative to each other. The second filter cover 12 is provided with multiple filter holes to prevent external impurities from entering the purge shell 2.

[0034] In some embodiments of the present invention, the sealed observation sleeve 1 is provided with a heat dissipation channel 7 , one side of the heat dissipation channel 7 passes through the top end of the sealed observation sleeve 1 , and the other side of the heat dissipation channel 7 passes through the bottom end of the sealed observation sleeve 1 .

[0035] In this embodiment, the heat dissipation channel 7 runs through the top and bottom ends of the sealed observation cover 1. When the components in the sealed observation cover 1 are working, the heat generated will cause the heat dissipation channel 7 to heat up. After the heat dissipation channel 7 is heated up, the air in the heat dissipation channel 7 is heated to form hot air. The hot air moves upward in the heat dissipation channel 7 and is discharged from the heat dissipation channel 7. The outside air is replenished into the heat dissipation channel 7 from the bottom of the heat dissipation channel 7 to continue to absorb heat, thereby achieving the effect of heat dissipation in the sealed observation cover 1.

[0036] In some embodiments of the present invention, the sealed observation sleeve 1 is provided with a plurality of heat dissipation channels 7, and the plurality of heat dissipation channels 7 are equidistantly arranged.

[0037] In this embodiment, the multiple heat dissipation channels 7 can dissipate heat in the sealed observation sleeve 1 at the same time, thereby improving the heat dissipation effect.

[0038] In some embodiments of the present invention, the sealed observation sleeve 1 is provided with a transparent observation window.

[0039] In this embodiment, the staff can observe the situation inside the sealed observation sleeve 1 at any time through the observation window, which can ensure that when a component inside the sealed observation sleeve 1 fails, it can be repaired immediately.

[0040] In some embodiments of the present invention, a filter screen 6 is detachably installed in the dust removal housing 3 , and the filter screen 6 is located below the dust removal motor 4 .

[0041] In this embodiment, impurities such as carbon powder move from the sealed observation sleeve 1 to the dust removal shell 3 under the action of suction. The filter screen 6 installed in the dust removal shell 3 can prevent the above-mentioned impurities such as carbon powder from being discharged from the air outlet 9, thereby ensuring the health of the staff.

[0042] In summary, an embodiment of the present invention provides a dust removal device for the collector ring of a hydro-turbine generator set, comprising a sealing observation cover 1 for sealing the collector ring of the generator set, a dust removal assembly and a purge assembly; the dust removal assembly comprises a dust removal shell 3 with an air outlet 9, a dust removal motor 4 and dust removal blades 5, the dust removal motor 4 is installed in the dust removal shell 3, and the output end of the dust removal motor 4 is connected to a plurality of dust removal blades 5, and the dust removal shell 3 is connected to the sealing observation cover 1; the purge assembly comprises a purge shell 2 with an air inlet 11, a purge motor mounting frame 8, a purge fan 13 and a dust cover 14 adapted to the mounting frame 8, the purge fan 13 is installed on the mounting frame 8, the purge fan 13 cooperates with the purge motor, the mounting frame 8 is installed in the purge shell 2, and the mounting frame 8 is detachably installed with a dust cover 14.

[0043] In this embodiment, the staff can use the dust removal component and the purge component to clean the carbon powder in the sealed observation cover 1 to ensure the normal operation of the generator set, and can also dissipate heat from the components in the cleaned sealed observation cover 1 to improve work efficiency; further, the mounting frame 8 is installed with a dust cover 14 to prevent the dust in the purge shell 2 from being blown into the sealed observation cover 1, thereby ensuring the normal operation of the generator set.

[0044] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A collector ring dust removal device for a hydro-generator set, characterized in that: Includes a sealing observation sleeve, dust removal assembly and purge assembly for sealing the generator set collector ring; The dust removal assembly includes a dust removal housing with an air outlet, a dust removal motor and dust removal blades. The dust removal motor is installed in the dust removal housing. The output end of the dust removal motor is connected to a plurality of dust removal blades. The dust removal housing is connected to the sealed observation sleeve. The purge assembly includes a purge shell with an air inlet, a purge motor mounting frame, a purge fan and a dust cover adapted to the mounting frame. The purge fan is installed on the mounting frame, the purge fan cooperates with the purge motor, the mounting frame is installed in the purge shell, and the dust cover is detachably mounted on the mounting frame.

2. A collector ring dust removal device for a hydro-generator set according to claim 1, characterized in that: The dust cover is connected to the mounting frame via bolts.

3. The collector ring dust removal device for a hydro-generator set according to claim 1, characterized in that: The air outlet is detachably mounted with a first filter cover, the first filter cover is provided with a plurality of filter through holes, and the first filter cover is threadably engaged with the air outlet.

4. The collector ring dust removal device for a hydro-generator set according to claim 1, characterized in that: The air inlet is detachably mounted with a second filter cover, the second filter cover is provided with a plurality of filter through holes, and the second filter cover is threadably engaged with the air outlet.

5. The collector ring dust removal device for a hydro-generator set according to claim 1, characterized in that: The sealed observation sleeve is provided with a heat dissipation channel, one side of the heat dissipation channel passes through the top end of the sealed observation sleeve, and the other side of the heat dissipation channel passes through the bottom end of the sealed observation sleeve.

6. The collector ring dust removal device for a hydro-generator set according to claim 1, characterized in that: The sealed observation sleeve is provided with a plurality of heat dissipation channels, and the plurality of heat dissipation channels are arranged at equal distances.

7. The collector ring dust removal device for a hydro-generator set according to claim 1, characterized in that: The sealed observation sleeve is provided with a transparent observation window.

8. The collector ring dust removal device for a hydro-generator set according to claim 1, characterized in that: A filter is detachably mounted in the dust removal housing and is located below the dust removal motor.

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