CN219740150U - Carbon powder collecting device for hydroelectric generator - Google Patents
Carbon powder collecting device for hydroelectric generator Download PDFInfo
- Publication number
- CN219740150U CN219740150U CN202321037100.2U CN202321037100U CN219740150U CN 219740150 U CN219740150 U CN 219740150U CN 202321037100 U CN202321037100 U CN 202321037100U CN 219740150 U CN219740150 U CN 219740150U
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- dust collection
- electrostatic
- dust
- carbon powder
- carbon
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000000428 dust Substances 0.000 claims abstract description 115
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 13
- 239000003595 mist Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000007590 electrostatic spraying Methods 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 11
- 239000012717 electrostatic precipitator Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 abstract description 6
- 238000000429 assembly Methods 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The utility model discloses a carbon powder collecting device for a hydroelectric generator, which relates to the technical field of hydroelectric generators and comprises a lower dust collection opening, an upper dust collection opening, an electrostatic spray dust collection assembly and a negative pressure machine, wherein the lower dust collection opening and the upper dust collection opening can be a plurality of collecting rings and carbon brush assemblies which are fixed in the generators, carbon powder is adsorbed around the collecting rings and the carbon brush assemblies in a negative pressure machine in a vacuumizing mode, carbon powder entering a conveying pipeline is combined with charged mist drops released by the electrostatic spray device, finally the charged electrostatic dust collection net adsorbs the charged mist drops to form drop drops, the carbon powder is effectively prevented from being discharged to the outside air, the safe operation and the human health of other electrical equipment in the external environment are ensured, and meanwhile, the charged mist drops can take away heat on the carbon powder, so that the high Wen Tanfen is prevented from damaging human bodies.
Description
Technical Field
The utility model relates to the technical field of hydroelectric generators, in particular to a carbon powder collecting device for a hydroelectric generator.
Background
In the running process of the unit, the carbon brush rubs with the collecting ring to generate tiny carbon powder. At present, heat generated by friction between a slip ring and a carbon brush in a collector ring device and carbon powder are discharged by adopting an air outlet method of an air pipe, the total mass concentration of carbon powder particles is PM10 and sometimes even reaches PM2.5, the carbon powder is directly sucked into a dust collector without filtering, the carbon powder is easy to be discharged to the outside air, and the safe operation and the human health of other electrical equipment in the outside environment are seriously threatened.
And, current carbon dust collection device is through sealing collecting ring and carbon brush in the power generator brush holder intracavity, and the carbon dust of reuse air exhauster evacuation intracavity, and this kind of device is also had certain dust removal function, but is relatively big carbon dust removal effect to some granule is relatively poor, and can't inhale the carbon dust of hiding in the leeward district and the dead wind district in the power generator brush holder intracavity, causes the carbon dust to pile up in leeward district and the dead wind district of power generator brush holder intracavity, brings the potential safety hazard for the normal operating of equipment.
Therefore, in order to solve the problems caused by the defects of the prior art, the utility model develops a carbon powder collecting device special for collecting carbon powder.
Disclosure of Invention
The utility model aims to provide a carbon powder collecting device for a hydroelectric generator, which is composed of a lower dust collection port, an upper dust collection port, an electrostatic spray dust collection assembly and a negative pressure machine, wherein the lower dust collection port and the upper dust collection port can be a plurality of collecting rings and carbon brush assemblies which are fixed in the generator, carbon powder is adsorbed around the collecting rings and the carbon brush assemblies in a negative pressure machine in a vacuumizing mode, carbon powder entering a conveying pipeline is combined with charged mist drops released by the electrostatic spray device, and finally the charged electrostatic dust collection net adsorbs the charged mist drops to form drop drops, so that the phenomenon that the carbon powder is discharged to the outside air is effectively avoided, and the safe operation and the human health of other electrical equipment in the outside environment are ensured.
In order to achieve the technical purpose, the utility model is realized by the following technical scheme:
a carbon powder collection device for a hydroelectric generator forming a closed cavity with a slip ring and carbon brush assembly, comprising:
lower dust suction port
An upper dust collection port, wherein one end of the upper dust collection port is arranged on the outer side of the collecting ring, and one end of the lower dust collection port is arranged on the lower side of the collecting ring;
the electrostatic spraying dust collection assembly comprises an electrostatic spraying device, a conveying pipeline and an electrostatic dust collection net, wherein the lower dust collection opening and the other end of the upper dust collection opening are communicated with the conveying pipeline, the electrostatic spraying device is arranged on the pipe wall of the conveying pipeline and releases charged fog drops to the conveying pipeline, and the electrostatic dust collection net is arranged at the outlet of the other end of the conveying pipeline;
and the negative pressure machine is communicated with the other end of the conveying pipeline.
As a further technical scheme of the carbon powder collecting device, the electrostatic spraying devices are arranged in a plurality, and the electrostatic spraying devices are arranged on the pipe wall of the conveying pipeline in a staggered mode and used for enabling carbon powder entering the conveying pipeline to be charged uniformly.
As a further technical scheme of the carbon powder collecting device, a dust blowing port is arranged on the upper side of the collecting ring, and an outlet of the dust blowing port faces the contact surface of the collecting ring and the carbon brush assembly, so that carbon powder is prevented from accumulating in a leeward area and a dead wind area of a brush rod seat cavity of the generator.
As a further technical scheme of the carbon powder collecting device, the conveying pipeline is obliquely arranged, and charged fog drops are prevented from flowing backwards into the generator after the droplets are formed in the conveying pipeline.
As a further technical scheme of the carbon powder collecting device, a detachable dust collecting groove is arranged right below the electrostatic dust collection net and is used for conveniently cleaning sewage collected in the dust collecting groove.
As a further technical scheme of the carbon powder collecting device, a buffer cavity for reducing the speed of carbon powder is arranged between the lower dust collection opening, the upper dust collection opening and the conveying pipeline, the advancing speed of the carbon powder is reduced in the buffer cavity, and the impact is reduced.
As a further technical scheme of the carbon powder collecting device, a filtering device is arranged between the negative pressure machine and the conveying pipeline and used for dehydrating exhausted gas so as to avoid excessively wetting the generator set.
As a further technical scheme of carbon powder collection device, electrostatic spray dust removal subassembly still includes gas-liquid two-phase atomizing nozzle, metal electrode ring, high-voltage electrostatic generator, water pump and air compressor, gas-liquid two-phase atomizing nozzle solid dress is on the pipe wall of pipeline, the water inlet of gas-liquid two-phase atomizing nozzle with the water pump is connected, the air inlet of gas-liquid two-phase atomizing nozzle with air compressor is connected, the metal electrode ring sets up in the spout below of gas-liquid two-phase atomizing nozzle, the metal electrode ring with high-voltage electrostatic generator's negative pole links to each other, high-voltage electrostatic generator's positive pole with the electrostatic precipitator net is connected, gas-liquid two-phase atomizing nozzle carries out the earthing treatment.
As a further technical scheme of the carbon powder collecting device, a water inlet pressure-increasing valve is arranged between a water inlet of the gas-liquid two-phase atomizing nozzle and the water pump, and an air inlet pressure-increasing valve is arranged between an air inlet of the gas-liquid two-phase atomizing nozzle and the air compressor and used for enabling the atomizing nozzle to spray more efficiently.
As a further technical scheme of the carbon powder collecting device, an ultrasonic generating device and a fan are arranged above the electrostatic dust collection net and used for cleaning carbon powder attached to the electrostatic dust collection net regularly.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the utility model comprises a lower dust collection port, an upper dust collection port, an electrostatic spraying dust collection assembly and a negative pressure machine, wherein the lower dust collection port and the upper dust collection port can be a plurality of collector rings and carbon brush assemblies which are fixed in the generator, carbon powder is adsorbed around the collector rings and the carbon brush assemblies in a negative pressure machine in a vacuumizing mode, carbon powder entering a conveying pipeline is combined with charged fog drops released by the electrostatic spraying device, and finally the charged electrostatic dust collection net adsorbs the charged fog drops to form liquid drops to drop, so that the carbon powder is effectively prevented from being discharged to the outside air, the safe operation and the health of other electrical equipment in the outside environment are ensured, and meanwhile, the charged fog drops can take away heat on the carbon powder, and the harm of high Wen Tanfen to the human body is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a carbon powder collection device for a hydroelectric generator according to the present utility model;
fig. 2 is a schematic structural diagram of an electrostatic spray dust collection assembly according to the present utility model.
In the drawings, the reference numerals and corresponding part names:
1-tail water, 2-lower dust collection port, 3-collecting ring, 4-carbon brush component, 5-upper dust collection port, 6-dust blowing port, 7-dust collection cover, 8-dust blowing fan, 9-filter screen, 10-buffer cavity, 11-air compressor, 12-electrostatic spraying device, 13-conveying pipeline, 14-fan, 15-ultrasonic generator, 16-filter, 17-negative pressure machine, 18-electrostatic precipitator net, 19-dust collection tank, 20-water pump, 21-first filter, 22-inlet booster valve, 23-second filter, 24-inlet booster valve.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1
This embodiment 1 provides a carbon powder collecting device for a hydroelectric generator, as shown in fig. 1, comprising a dust hood 7, a lower dust collection opening 2, an upper dust collection opening 5, an electrostatic spray dust collection assembly and a negative pressure machine 17, wherein the lower dust collection opening 2 and the upper dust collection opening 5, the electrostatic spray dust collection assembly and the negative pressure machine 17 are sequentially connected, the electrostatic spray dust collection assembly comprises an electrostatic spray device 12, a conveying pipeline 13 and an electrostatic dust collection net 18, the dust hood 7 forms a closed cavity with a collecting ring 3 and a carbon brush assembly 4, one end of the upper dust collection opening 5 is arranged outside the collecting ring 3, one end of the lower dust collection opening 2 is arranged at the lower side of the collecting ring 3, the ports of the upper dust collection opening 5 and the lower dust collection opening 2 facing the collecting ring 3 are horn-shaped, and a dust blowing opening 6 is arranged at the upper side of the collecting ring 3, specifically, the dust blowing opening 6 is provided with driving gas by the dust blowing machine 8, and in order to prevent impurities in the external environment from entering the generating set, the air inlet of the dust blowing fan 8 is also provided with a filter screen 9 for filtering air, the outlet of the dust blowing port 6 faces the contact surface of the collecting ring 3 and the carbon brush assembly 4, in order to improve dust collection efficiency, the upper dust collecting port 5 and the lower dust collecting port 2 can be a plurality of the collecting ring 3 and the carbon brush assembly 4 which are fixed in the generator, meanwhile, the lower dust collecting port 2 and the other end of the upper dust collecting port 5 are communicated with the conveying pipeline 13, the electrostatic spraying device 12 is arranged on the pipe wall of the conveying pipeline 13 and releases charged mist drops to the conveying pipeline 13, the outlet of the other end of the conveying pipeline 13 is provided with an electrostatic dust collecting net 18, carbon powder entering the conveying pipeline 13 is combined with the charged mist drops released by the electrostatic spraying device 12, finally the charged electrostatic dust collecting net 18 adsorbs the charged mist drops to form a detachable dust collecting groove 19 which is arranged right below the electrostatic dust collecting net 18, in the present embodiment, the dust collecting groove 19 may be sealed under the electrostatic dust collection net 18 by a latch or drawer type, which is not limited herein.
Specifically, as shown in fig. 2, the above electrostatic spraying dust collection assembly further includes a gas-liquid two-phase atomizing nozzle, a metal electrode ring, a high-voltage electrostatic generator, a water pump 20 and an air compressor 11, the gas-liquid two-phase atomizing nozzle is fixedly installed on the pipe wall of the conveying pipe 13, the water inlet of the gas-liquid two-phase atomizing nozzle is connected with the water pump 20, the water inlet of the water pump 20 is connected with a first filter 21 for filtering impurities from tail water 1, the air inlet of the gas-liquid two-phase atomizing nozzle is connected with the air compressor 11, the air inlet of the air compressor 11 is connected with a second filter 23 for filtering impurities in air, the metal electrode ring is arranged below the nozzle of the gas-liquid two-phase atomizing nozzle, the metal electrode ring is connected with the negative electrode of the high-voltage electrostatic generator, a nonuniform electric field is formed between the metal electrode ring and the gas-liquid two-phase atomizing nozzle, so that atomized droplets take negative charges, the positive electrode of the high-voltage electrostatic generator is connected with the electrostatic dust collection net 18, and the gas-liquid two-phase atomizing nozzle carries out grounding treatment, the positively charged electrostatic dust collection net 18 adsorbs the charged droplets to form droplets to fall into a detachable dust collection groove 19 arranged under the dust collection net 18, the dust collection groove 19 is effectively protected from the outside the carbon dust collection net 62, and the heat is prevented from being harmful to the outside the human body, and the human body is also protected from being damaged by the outside by the high-health environment, and the human body is avoided from being caused by the heat and the outside the human body.
Example 2
Based on the technical solution of embodiment 1, embodiment 2 provides a carbon powder collecting device for a hydroelectric generator, as shown in fig. 1-2, a plurality of electrostatic spraying devices 12 are provided, and a plurality of electrostatic spraying devices 12 are staggered on the pipe wall of the conveying pipe 13, so that carbon powder entering the conveying pipe can be fully combined with charged mist droplets, and in order to avoid that the charged mist droplets flow back into the generator after forming droplets in the conveying pipe 13, the conveying pipe 13 is inclined towards the dust collecting tank 19.
In this embodiment, a buffer chamber 10 for reducing the speed of the toner is provided between the lower dust suction port 2 and the upper dust suction port 5 and the conveying pipe 13, and the advancing speed of the toner is reduced in the buffer chamber 10, thereby reducing the impact.
In this embodiment, a filter device 16 is arranged between the negative pressure machine 17 and the delivery pipe 13 for dehydrating the exhausted gas, avoiding excessively wetting the generator set.
In this embodiment, in order to make the atomizing nozzle spray more efficiently, a water inlet pressure-increasing valve 22 is further disposed between the water inlet of the gas-liquid two-phase atomizing nozzle and the water pump 20, and an air inlet pressure-increasing valve is further disposed between the air inlet of the gas-liquid two-phase atomizing nozzle and the air compressor 11.
In this embodiment, in order to clean the carbon powder attached to the electrostatic precipitator net 18 periodically, an ultrasonic generator 15 and a blower 14 are disposed above the electrostatic precipitator net 18, specifically, the ultrasonic generator 15 is disposed above the electrostatic precipitator net 18 and is connected to the electrostatic precipitator net 18, the blower 14 is disposed above the ultrasonic generator 15, and a cover plate above the blower 14 is openable, when the carbon powder attached to the electrostatic precipitator net 18 needs to be cleaned, the cover plate above the blower 14 is opened, then the ultrasonic generator 15 and the blower 14 are opened, the ultrasonic generator 15 drops the carbon powder attached to the electrostatic precipitator net 18, and the downward wind of the blower 14 drops the carbon powder into a dust collecting tank 19.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A carbon powder collection device for hydroelectric generator, forms airtight chamber with collecting ring (3) and carbon brush subassembly (4), characterized by comprising:
lower dust suction port (2)
An upper dust collection port (5), wherein one end of the upper dust collection port (5) is arranged on the outer side of the collecting ring (3), and one end of the lower dust collection port (2) is arranged on the lower side of the collecting ring (3);
the electrostatic spraying dust collection assembly comprises an electrostatic spraying device (12), a conveying pipeline (13) and an electrostatic dust collection net (18), wherein the lower dust collection opening (2) and the other end of the upper dust collection opening (5) are communicated with the conveying pipeline (13), the electrostatic spraying device (12) is arranged on the pipe wall of the conveying pipeline (13) and releases charged mist drops to the conveying pipeline (13), and the electrostatic dust collection net (18) is arranged at the outlet of the other end of the conveying pipeline (13);
and the negative pressure machine (17) is communicated with the other end of the conveying pipeline (13).
2. A carbon dust collecting device for a hydroelectric generator according to claim 1, wherein a plurality of electrostatic spraying devices (12) are provided, and a plurality of electrostatic spraying devices (12) are staggered on the pipe wall of the conveying pipe (13).
3. The carbon powder collecting device for the hydroelectric generator according to claim 1, wherein a dust blowing port (6) is arranged on the upper side of the collecting ring (3), and an outlet of the dust blowing port (6) faces to contact surfaces of the collecting ring (3) and the carbon brush assembly (4).
4. A carbon dust collecting device for a hydroelectric generator according to claim 1, characterized in that the conveying pipe (13) is arranged obliquely.
5. A carbon dust collecting device for a hydroelectric generator according to claim 1, characterized in that a detachable dust collecting tank (19) is provided directly under the electrostatic precipitator net (18).
6. A carbon dust collecting device for a hydroelectric generator according to claim 1, characterized in that a buffer chamber (10) for reducing the speed of carbon dust is provided between the lower dust suction port (2) and the upper dust suction port (5) and the conveying pipe (13).
7. A carbon dust collecting device for a hydroelectric generator according to claim 1, characterized in that a filter device (16) is arranged between the negative pressure machine (17) and the conveying pipe (13).
8. The carbon powder collecting device for the hydroelectric generator according to claim 1, wherein the electrostatic spray dust removing assembly further comprises a gas-liquid two-phase atomizing nozzle, a metal electrode ring, a high-voltage electrostatic generator, a water pump (20) and an air compressor (11), the gas-liquid two-phase atomizing nozzle is fixedly arranged on the pipe wall of the conveying pipe (13), a water inlet of the gas-liquid two-phase atomizing nozzle is connected with the water pump (20), an air inlet of the gas-liquid two-phase atomizing nozzle is connected with the air compressor (11), the metal electrode ring is arranged below a nozzle of the gas-liquid two-phase atomizing nozzle, the metal electrode ring is connected with a negative electrode of the high-voltage electrostatic generator, an anode of the high-voltage electrostatic generator is connected with the electrostatic dust removing net (18), and the gas-liquid two-phase atomizing nozzle is grounded.
9. A carbon powder collecting device for a hydroelectric generator according to claim 8, characterized in that a water inlet pressure-increasing valve (22) is arranged between the water inlet of the gas-liquid two-phase atomizing nozzle and the water pump (20), and an air inlet pressure-increasing valve (24) is arranged between the air inlet of the gas-liquid two-phase atomizing nozzle and the air compressor (11).
10. A carbon dust collecting device for a hydroelectric generator according to any of claims 1 to 9, characterized in that an ultrasonic wave generating device (15) and a fan (14) are arranged above the electrostatic precipitator net (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321037100.2U CN219740150U (en) | 2023-05-04 | 2023-05-04 | Carbon powder collecting device for hydroelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321037100.2U CN219740150U (en) | 2023-05-04 | 2023-05-04 | Carbon powder collecting device for hydroelectric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219740150U true CN219740150U (en) | 2023-09-22 |
Family
ID=88054534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321037100.2U Active CN219740150U (en) | 2023-05-04 | 2023-05-04 | Carbon powder collecting device for hydroelectric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219740150U (en) |
-
2023
- 2023-05-04 CN CN202321037100.2U patent/CN219740150U/en active Active
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