CN220072653U - Nuclear power plant distribution system low-voltage load switch purging equipment - Google Patents
Nuclear power plant distribution system low-voltage load switch purging equipment Download PDFInfo
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- CN220072653U CN220072653U CN202321411680.7U CN202321411680U CN220072653U CN 220072653 U CN220072653 U CN 220072653U CN 202321411680 U CN202321411680 U CN 202321411680U CN 220072653 U CN220072653 U CN 220072653U
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- load switch
- voltage load
- low
- distribution system
- power plant
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- 238000010926 purge Methods 0.000 title claims abstract description 37
- 239000000428 dust Substances 0.000 claims abstract description 67
- 239000012535 impurity Substances 0.000 claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 29
- 238000007605 air drying Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Electrostatic Separation (AREA)
Abstract
The utility model relates to a purging device for a low-voltage load switch of a power distribution system of a nuclear power plant, which comprises the following components: the dust removing table is used for placing the low-voltage load switch, holes are distributed on the dust removing table, and impurities cleaned from the low-voltage load switch leak downwards; an air gun for blowing air to a low-voltage load switch on the dust removing table to clean impurities on the low-voltage load switch; and the filtering device is arranged at the lower side of the dust removing table and is used for filtering impurities in cleaning. The purging device blows air to the low-voltage load switch by adopting the air gun, so that the cleaning mode of the low-voltage load switch is changed, the cleaning work can be efficiently completed, the place which is difficult to clean conventionally can be cleaned, the reliability of the cleaning work is improved, the labor consumption is reduced, and the cleaned impurities are collected, so that the environment is prevented from being polluted.
Description
Technical Field
The utility model relates to the field of maintenance equipment of nuclear power plants, in particular to purging equipment for a low-voltage load switch of a power distribution system of a nuclear power plant.
Background
After the low-voltage load switch is used for a period of time, the low-voltage load switch is provided with dust, deteriorated grease, dirt, broken wire cores, metal abrasive dust and other foreign matters, and the foreign matters on the low-voltage load switch need to be cleaned so as to avoid influencing subsequent use. Fig. 3 is a diagram showing the distribution of internal components of a drawer type low-voltage load switch, wherein the conventional cleaning method places the low-voltage load switch on the ground, and a worker cleans the low-voltage switch by using a brush, white cloth and a dust collector.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a low-voltage load switch purging device for a power distribution system of a nuclear power plant aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows: a nuclear power plant power distribution system low voltage load switch purge apparatus is constructed, comprising:
the dust removing table is used for placing a low-voltage load switch, holes are distributed on the dust removing table, and impurities cleaned from the low-voltage load switch leak downwards;
an air gun for blowing air to a low-voltage load switch on the dust removal table to clean impurities on the low-voltage load switch; and
the filtering device is arranged at the lower side of the dust removing table and filters impurities in cleaning.
In some embodiments, a turntable is provided on the dust removal table, and the turntable is used for placing the low-voltage load switch so as to drive the low-voltage load switch to rotate.
In some embodiments, the turntable is provided with a relief slot to clear a latching mechanism on the low voltage load switch.
In some embodiments, the purging device further comprises a dust collection device for adsorbing impurities blown down from the low-voltage load switch, the hole is communicated to the dust collection device, and the filtering device is connected with the dust collection device and filters impurities sucked by the dust collection device.
In some embodiments, the dust collection device is disposed on the underside of the dust collection table, the filter device is disposed on the underside of the dust collection device, and a funnel-shaped structure is disposed between the dust collection device and the filter device.
In some embodiments, the side surface of the dust removing table is provided with an adsorption port communicated with the dust collecting device.
In some embodiments, the purging device further comprises a collection device connected to the filtering device for collecting impurities filtered by the filtering device.
In some embodiments, the purge apparatus further comprises a gas drying device that dries the gas before the gas gun ejects the gas.
In some embodiments, the gas drying device is an oil-water separator.
In some embodiments, the purge apparatus further comprises a gas source, the gas drying device being connected between the gas gun and the gas source.
The low-voltage load switch purging equipment for the power distribution system of the nuclear power plant has the following beneficial effects: the purging device blows air to the low-voltage load switch by adopting the air gun, so that the cleaning mode of the low-voltage load switch is changed, the cleaning work can be efficiently completed, the place which is difficult to clean conventionally can be cleaned, the reliability of the cleaning work is improved, the labor consumption is reduced, and the cleaned impurities are collected, so that the environment is prevented from being polluted.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a low-voltage load switch purge apparatus for a nuclear power plant power distribution system in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the low-voltage load switch purge apparatus of the power distribution system of the nuclear power plant of FIG. 1;
fig. 3 is a schematic diagram showing the distribution of internal components of a conventional drawer type low-voltage load switch.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
As shown in fig. 1 and 2, the purging device for a low-voltage load switch of a power distribution system of a nuclear power plant in a preferred embodiment of the present utility model includes a cabinet 10, a dust collection table 1, a dust collection device 2, a filtering device 3, a collecting device 4, an air gun, a gas drying device, and a gas source, wherein the dust collection table 1 is provided for the low-voltage load switch, the gas drying device is connected between the air gun and the gas source, the gas drying device performs drying treatment on the gas of the gas source, after the low-voltage load switch is turned on, the air gun sprays the dried gas into the low-voltage load switch on the dust collection table 1, cleans impurities in the low-voltage load switch, blows dust, degraded grease, dirt, broken wire cores, metal abrasive dust and other foreign matters to the dust collection table 1, and can clean impurities on the surface of the low-voltage load switch.
In some embodiments, the air source can be industrial compressed air or self-produced air of a compressor, the air drying device is an oil-water separator, moisture and the like in the air of the air source are absorbed and dried, and the air blown to the low-pressure load switch is ensured to be dry and clean. The gas drying device and the gas source can be externally matched parts of the purging device, and when the purging device is used, the gas drying device, the gas source and the gas gun are combined and then used together with the purging device, or the gas gun is connected with other clean and dry gases to blow the gas to the low-pressure load switch, and of course, the gas gun, the gas drying device and the gas source can also be integrated with the purging device.
Holes 11 are distributed on the dust removal table 1 for impurities cleaned from the low-voltage load switch to leak downwards. The hole 11 is communicated with the dust collection device 2, the filtering device 3 is connected with the dust collection device 2, and negative pressure is generated when the dust collection device 2 works, so that impurities blown down from the low-voltage load switch on the dust collection table 1 can be adsorbed downwards. Preferably, the filtering device 3 is disposed at the lower side of the dust collecting device 2, and the lower side of the dust collecting device 2 is provided with a funnel-shaped structure, so that the sucked impurities can be collected at the upper end of the filtering device 3, and the filtering device 3 can filter.
The filter equipment 3 filters dust extraction 2 absorptive impurity, and collection device 4 is connected with filter equipment 3, or sets up in the below of filter equipment 3, and at filter equipment 3 to impurity filtration back, clear up the impurity on the filter equipment 3 to collection device 4, or empty the impurity on the filter equipment 3 to collection device 4, let collection device 4 collect the impurity after the filter equipment 3 filters, and the impurity is collected to collection device 4, the subsequent innocent treatment of being convenient for.
The starting of the dust collection device 2, the starting of the air gun, the air drying device and the air source can be controlled by a switch, and after the switch is opened, all electric parts are started to start working.
In some embodiments, the dust removal table 1 is provided with a rotary table 12 which is rotatably arranged for placing the low-voltage load switch so as to drive the low-voltage load switch to rotate, and the air in the low-voltage load switch can be blown from different directions to perform multi-direction and multi-angle more comprehensive cleaning. Considering the design that the locking mechanism is arranged at the bottom of the ABB MNS3.0 series load switch, the avoidance groove 13 is formed on the rotary table 12 so as to avoid the locking mechanism on the low-voltage load switch and prevent the performance of the locking mechanism from being influenced.
In some embodiments, the dust collection device 2 is disposed at the lower side of the dust collection table 1, and when the low-voltage load switch is purged, the impurities fall down onto the dust collection table 1, and the dust collection device 2 can suck the impurities on the dust collection table 1. Preferably, the side of the dust removing table 1 is provided with an adsorption port 14 communicated with the dust collecting device 2, and when impurities on the dust removing table 1 are cleaned, part of the impurities can be sucked from the adsorption port 14 by the dust collecting device 2, so that the impurities are sucked more fully, and the cleaning of the impurities on the dust removing table 1 is facilitated.
The filtering device 3 may include a filter element 31 for filtering impurities, and may also include a filter screen for filtering impurities, so as to filter out dust, deteriorated grease, dirt, broken wire cores, metal filings and other foreign matters, thereby avoiding environmental pollution and air pollution. The filter element 31 and the filter screen can be detached, for example, fixed in a clamping manner, and can be replaced by a new one after being blocked.
The collecting device 4 may be a collecting tank, and after the amount of the impurities filtered by the filtering device 3 reaches a certain amount, the impurities filtered by the filtering device 3 may be poured into the collecting tank to be filtered again. It is possible to continue to operate and to remove the collecting device 4 after the collecting device 4 is filled.
The specific use method of the purging device is as follows:
1. the device is powered on, such as a dust collection device 2, an air gun, an air drying device and an air source.
2. The air gun is connected with an air drying device and an air source.
3. The low voltage switch to be cleaned is placed on the turntable 12 of the device.
4. And opening the air gun nozzle to purge the low-pressure load switch.
5. And (5) completing cleaning work, and closing an air source and a power supply.
Through the mode that compressed air sweeps, high-efficient, high-quality completion cleans the work, has greatly reduced the consumption of manpower simultaneously, has become gas clean by original manual cleaning at every turn to realize dust collection, clean quality and efficiency promote by a wide margin. The purging equipment only needs to be installed once, and the follow-up use is only connected with a power supply and an air source, so that the complicated work that components are required to be installed during each purging is avoided.
This purge device adopts the air gun to blow to low pressure load switch, has changed the clean mode of low pressure load switch, and the efficient completion clean work can clean the place that is difficult to clean to the conventionality, not only improves clean work reliability but also reduces the consumption of manpower, and the impurity after the clearance has also obtained collecting, avoids polluting the environment. Meanwhile, the purging device can be started and stopped by one key, and the purging pressure can be kept constant.
It will be appreciated that the above technical features may be used in any combination without limitation.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A nuclear power plant power distribution system low voltage load switch purge apparatus, comprising:
the dust removing table (1) is used for placing a low-voltage load switch, holes (11) are distributed on the dust removing table (1) and used for allowing impurities cleaned from the low-voltage load switch to leak downwards;
an air gun for blowing air to a low-voltage load switch on the dust removal table (1) to clean impurities on the low-voltage load switch; and
the filtering device (3) is arranged at the lower side of the dust removing table (1) and is used for filtering impurities in cleaning.
2. The purging device for a low-voltage load switch of a power distribution system of a nuclear power plant according to claim 1, wherein a turntable (12) which is rotatably arranged is arranged on the dust removal table (1) and is used for placing the low-voltage load switch so as to drive the low-voltage load switch to rotate.
3. The nuclear power plant power distribution system low-voltage load switch purging device according to claim 2, characterized in that the turntable (12) is provided with a avoidance groove (13) to avoid a locking mechanism on the low-voltage load switch.
4. The nuclear power plant distribution system low-voltage load switch purging device according to claim 1, further comprising a dust collection device (2) for adsorbing impurities blown down from the low-voltage load switch, wherein the hole (11) is communicated to the dust collection device (2), and the filtering device (3) is connected with the dust collection device (2) for filtering impurities sucked by the dust collection device (2).
5. The nuclear power plant distribution system low-voltage load switch purging device according to claim 4, wherein the dust collection device (2) is arranged at the lower side of the dust collection table (1), the filtering device (3) is arranged at the lower side of the dust collection device (2), and a funnel-shaped structure is arranged between the dust collection device (2) and the filtering device (3).
6. The nuclear power plant distribution system low-voltage load switch purging device according to claim 4, characterized in that the side surface of the dust removal table (1) is provided with an adsorption port (14) communicated with the dust collection device (2).
7. The nuclear power plant power distribution system low-voltage load switch purging apparatus as claimed in any one of claims 1 to 6, further comprising a collection device (4) connected to the filtration device (3), and collecting impurities filtered by the filtration device (3).
8. The nuclear power plant electrical distribution system low-voltage load switch purge apparatus of any one of claims 1 to 6, further comprising a gas drying device that dries gas before the gas gun ejects the gas.
9. The nuclear power plant electrical distribution system low-voltage load switch purge apparatus of claim 8, wherein the gas drying device is an oil-water separator.
10. The nuclear power plant electrical distribution system low voltage load switch purge apparatus of claim 8, further comprising a gas source, said gas drying device being connected between said gas gun and said gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411680.7U CN220072653U (en) | 2023-06-05 | 2023-06-05 | Nuclear power plant distribution system low-voltage load switch purging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411680.7U CN220072653U (en) | 2023-06-05 | 2023-06-05 | Nuclear power plant distribution system low-voltage load switch purging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220072653U true CN220072653U (en) | 2023-11-24 |
Family
ID=88818288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411680.7U Active CN220072653U (en) | 2023-06-05 | 2023-06-05 | Nuclear power plant distribution system low-voltage load switch purging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220072653U (en) |
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2023
- 2023-06-05 CN CN202321411680.7U patent/CN220072653U/en active Active
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