CN218209011U - Generator enclosed bus pressure-fired device - Google Patents
Generator enclosed bus pressure-fired device Download PDFInfo
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- CN218209011U CN218209011U CN202222125418.8U CN202222125418U CN218209011U CN 218209011 U CN218209011 U CN 218209011U CN 202222125418 U CN202222125418 U CN 202222125418U CN 218209011 U CN218209011 U CN 218209011U
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Abstract
The utility model provides a generator enclosed bus pressure-fired device. The generator enclosed bus micro-positive pressure device comprises: a mother tube for the instrument; the input end of the filter is connected with the output end of the instrument air main pipe; a heater installed at an output end of the filter; the closed buses are connected with the output end of the heater, and the three groups of closed buses are connected on the shunt tubes of the heater in parallel. The utility model provides a generator enclosed bus pressure-fired device has realized utilizing the air supply for main factory building appearance to remove dust once more, the filtration treatment of oil strain, drainage, inserts generator enclosed bus, and gas supply system is reliable and stable just dry processing for the appearance, and the generator seals female required capacity relative system not influenced basically, inserts the generator after the transformation and seals female air supply quality and satisfy the requirement, prevents that the generator from sealing female condensation and arousing the generator fault accident.
Description
Technical Field
The utility model relates to a closed bus technical field especially relates to a generator closed bus pressure-fired device.
Background
In large-scale power plant, along with the bus capacity constantly increases, the big increase that generates heat of near bus short circuit electrodynamic force and the near steel member of generating line, for alleviating above-mentioned problem, improves the generating line operational reliability, and the generating plant extensively adopts from looks enclosed bus, and from looks enclosed bus has: the ground fault is reduced, and the interphase short circuit is avoided; the heating of the steel component is eliminated; reducing short circuit electrodynamic force; the running reliability of the bus is improved; the maintenance amount is small.
In order to improve the stability that generator enclosed bus used, adopt the safe operation of pressure-fired device assurance generating line, fill into dry, clear air in to generator enclosed bus through the pressure-fired device, and need keep in the malleation state, in the patent of prior publication, disclosed a generator enclosed bus pressure-fired device, application number: 201920430268.7 has the advantages that the starting and stopping frequency of the first air compressor is reduced, the damage to the first air compressor is relieved, and the service life of the first air compressor is prolonged.
In the prior art, the generator seal is long in operation year limit, a sealing system is aged, the sealing performance of the seal is poor, the actual capacity of an original micro-positive pressure device is insufficient, the normal input cannot meet the operation requirement, the requirement of power production safety cannot be met, potential safety hazards exist, the existing micro-positive pressure device is adopted for transformation, the cost is high, and the production input cost is increased.
Therefore, it is necessary to provide a generator enclosed bus micro-positive pressure device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a generator enclosed bus pressure-fired device has solved enclosed bus pressure-fired device and has reformed transform the higher problem of cost of input.
In order to solve the technical problem, the utility model provides a generator enclosed bus pressure-fired device, include:
a mother tube for the instrument;
the input end of the filter is connected with the output end of the instrument air main pipe;
a heater installed at an output end of the filter;
the closed buses are connected with the output end of the heater, and the three groups of closed buses are connected on the shunt tubes of the heater in parallel.
Preferably, an output main valve is arranged on the instrument main pipe and is an electromagnetic valve.
Preferably, the input end of the shunt tube is connected with the output end of the heater, a control main valve is arranged on the shunt tube, and the control main valve is an electromagnetic valve.
Preferably, an air inlet valve is arranged on an input pipeline of the closed bus, and the air inlet valve is an electromagnetic valve.
Preferably, still include the buffer tank, the buffer tank install in the input of heater with between the output of filter, the drainage valve is installed to the input of buffer tank, discharge valve is installed to the output of buffer tank.
Preferably, the input of heater still is provided with the maintenance valve, the input of buffer tank is installed on the input direction of maintenance valve, the output of buffer tank is connected the input of heater.
Preferably, a buffer spring is fixedly installed in the buffer tank, a piston disc is fixedly installed at the bottom end of the buffer spring, and the piston disc is slidably installed in the buffer tank.
Preferably, a through hole is formed in the buffer tank, a warning lamp is fixedly arranged on the piston disc, and the surface of the warning lamp is matched with the through hole.
Compared with the prior art, the utility model provides a generator enclosed bus pressure-fired device has following beneficial effect:
the utility model provides a generator enclosed bus pressure-fired device utilizes the air supply for main factory building appearance to remove dust once more, the filtration treatment of oil strain, drainage, inserts generator enclosed bus, and gas supply system is reliable and stable just dry processing for the appearance, and the generator seals female required capacity relative system not influenced basically, inserts the generator after the transformation and seals female air supply quality and meet the demands, prevents that the generator from sealing female condensation and arousing the generator fault accident.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a generator enclosed bus micro-positive pressure device provided by the present invention;
fig. 2 is a schematic structural diagram of the air flowing direction of the generator enclosed bus micro-positive pressure device provided by the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the enclosed busbar micro-positive pressure device of the generator according to the present invention;
FIG. 4 is a three-dimensional view of the portion of the surge tank shown in FIG. 3;
fig. 5 is a cross-sectional view of the whole shown in fig. 4.
Reference numbers in the figures:
1. a main pipe for the instrument, 11, and an output main valve;
2. a filter;
3. a heater 31, a shunt pipe 32, a control main valve 33 and a maintenance valve;
4. a closed bus, 41, an air inlet valve;
5. buffer tank 51, drainage valve 52, discharge valve 53, buffer spring 54, piston dish 55, warning light 501, through-hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The first embodiment:
please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a generator enclosed bus micro-positive pressure device according to a first embodiment of the present invention; fig. 2 is the utility model provides a generator enclosed bus pressure-fired equipment's air flow direction's schematic structure diagram.
A generator enclosed bus micro-positive pressure device comprises:
a mother tube 1 for the instrument;
the input end of the filter 2 is connected with the output end of the instrument air main pipe 1;
a heater 3, wherein the heater 3 is arranged at the output end of the filter 2;
and at least three groups of closed buses 4, wherein the closed buses 4 are connected to the output end of the heater 3, and the three groups of closed buses 4 are connected in parallel to the shunt tubes 31 of the heater 3.
The main plant instrument air source is used for filtering treatment of secondary dust removal, oil filtration and water filtration, and is connected into the generator enclosed bus 4, the instrument air source system is stable and reliable and is dried, the capacity required by the generator enclosed bus is basically not influenced relative to the system, the quality of the generator enclosed bus air source is connected into the generator after modification to meet the requirement, and generator fault accidents caused by generator enclosed bus condensation are prevented.
An output main valve 11 is arranged on the instrument air main pipe 1, and the output main valve 11 is an electromagnetic valve.
The output main valve 11 is convenient for carrying out the main gas control on the output end of the instrument gas main pipe 1, and the stability and the safety of the operation of the output main valve 11 are guaranteed.
The input end of the shunt pipe 31 is connected with the output end of the heater 3, a main control valve 32 is arranged on the shunt pipe 31, and the main control valve 32 is an electromagnetic valve.
The shunt tubes 31 are used for shunting the heated air source so as to ensure the stability of the air source input by at least three groups of closed buses 4, and the structure of the input end of each group of closed buses 4 is the same.
An air inlet valve 41 is arranged on an input pipeline of the closed bus 4, and the air inlet valve 41 is an electromagnetic valve.
The air inlet valve 41 facilitates independent control of the input air source of the enclosed bus 4, and when the air source does not need to be input to the corresponding enclosed bus 4, the corresponding air inlet valve 41 is closed.
The utility model provides a generator enclosed bus pressure-fired device's theory of operation as follows:
when the main workshop instrument is used, the main workshop instrument air supply is transmitted through the instrument air main pipe 1;
the air source carries out dust removal, oil filtering and water filtering again through the filter 2, so as to realize the filtering treatment before use;
the gas source after filtration is connected to the generator enclosed bus 4 after being heated by the heater 3, so that generator fault accidents caused by condensation of the generator enclosed bus 4 are prevented, and the safety and reliability of the operation of the generator are maintained.
Second embodiment:
referring to fig. 3, 4 and 5, a generator enclosed bus micro-positive pressure device according to a first embodiment of the present application, and a second embodiment of the present application provides another generator enclosed bus micro-positive pressure device. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the generator enclosed bus pressure-fired device that the second embodiment of this application provided's difference lies in, generator enclosed bus pressure-fired device still includes buffer tank 5, buffer tank 5 install in heater 3's input with between the output of filter 2, drainage valve 51 is installed to buffer tank 5's input, discharge valve 52 is installed to buffer tank 5's output.
Through addding buffer tank 5 between filter 2 and heater 3, when the air supply pressure of filter 2 output increased suddenly, the air supply can be transmitted to buffer tank 5 in through drainage valve 51, carries out the buffer memory to unnecessary air supply, and the air supply after the buffer memory can be carried to the input of heater 3 again through discharge valve 52 to the use of buffer memory air supply.
The input of heater 3 still is provided with maintenance valve 33, the input of buffer tank 5 is installed in maintenance valve 33's the input direction, the output of buffer tank 5 is connected the input of heater 3.
The maintenance valve 33 can be closed after the heater 3 part breaks down, and the air supply that closes the normal transmission of back filter 2 is stored in to buffer tank 5 through drainage valve 51, and until the maintenance valve 33 opens, the air supply that filter 2 normally transmits can pass through maintenance valve 33 once more and get into in the heater 3, maintains the normal transmission of air supply.
And the air source stored in the buffer tank 5 can continuously supply air to the input end of the heater 3 under the condition of insufficient air source or closed air source, so that the stability and reliability of the micro-positive pressure control of the enclosed bus 4 are maintained.
The piston disc 54 is mounted in the buffer tank 5 through the buffer spring 53 in a buffering mode, so that when air enters the buffer tank 5, the piston disc 54 is pressed to move upwards to maintain a normal storage space in the buffer tank 5, and when air needs to be exhausted, the buffer spring 53 can be extruded downwards through the piston disc 54 to achieve stable air exhaust.
The buffer tank 5 is provided with a through hole 501, the piston disc 54 is fixedly provided with a warning lamp 55, and the surface of the warning lamp 55 is matched with the through hole 501.
Through-hole 501 provides the support for the normal taking a breath of piston dish 54 top, and piston dish 54 can drive warning light 55 and remove when removing, and when warning light 55 passed through-hole 501 and leaked from the top of buffer tank 5, can remind for the inside pressure condition of buffer tank 5, the stability of guarantee equipment operation.
The working principle of the generator enclosed bus micro-positive pressure device provided by the embodiment is as follows:
when the pressure of the air source transmitted by the output end of the filter 2 is increased, redundant air source enters the buffer tank 5 through the drainage valve 51 for storage, the piston disc 54 moves upwards under the pressure, and the piston disc 54 drives the warning lamp 55 to move upwards;
when the pressure of the air source transmitted by the output end of the filter 2 is normal, the equipment normally operates, and the air source in the buffer tank 5 is not increased;
when no air source is transmitted at the output end of the filter 2, the exhaust valve 52 is started, the air source in the buffer tank 5 is transmitted to the heater 3 through the exhaust valve 52 for heating, and the heated air source is transmitted into the closed bus 4 through the shunt pipe 31 and the opened air inlet valve 41, so that the stability of the input of the air source of the closed bus 4 is maintained.
The above only is 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 are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A generator enclosed bus pressure-fired device, comprising:
a mother tube for the instrument;
the input end of the filter is connected with the output end of the instrument air main pipe;
a heater installed at an output end of the filter;
the closed buses are connected with the output end of the heater, and the three groups of closed buses are connected on the shunt tubes of the heater in parallel.
2. The generator enclosed bus micro-positive pressure device as claimed in claim 1, wherein the main output valve is disposed on the main pipe for the instrument, and the main output valve is a solenoid valve.
3. The generator enclosed busbar micro-positive pressure device according to claim 2, wherein the input end of the shunt tube is connected with the output end of the heater, and a main control valve is arranged on the shunt tube and is an electromagnetic valve.
4. The generator enclosed busbar micro-positive pressure device according to claim 3, wherein an air inlet valve is arranged on an input pipeline of the enclosed busbar, and the air inlet valve is an electromagnetic valve.
5. The generator enclosed bus micro-positive pressure device as claimed in claim 1, further comprising a buffer tank, wherein the buffer tank is installed between the input end of the heater and the output end of the filter, the input end of the buffer tank is installed with a drainage valve, and the output end of the buffer tank is installed with an exhaust valve.
6. The generator enclosed busbar micro-positive pressure device according to claim 5, wherein the input end of the heater is further provided with a maintenance valve, the input end of the buffer tank is installed in the input direction of the maintenance valve, and the output end of the buffer tank is connected with the input end of the heater.
7. The generator enclosed busbar micro-positive pressure device according to claim 6, wherein a buffer spring is fixedly installed in the buffer tank, a piston disc is fixedly installed at the bottom end of the buffer spring, and the piston disc is slidably installed in the buffer tank.
8. The generator enclosed bus micro-positive pressure device as claimed in claim 7, wherein the buffer tank is provided with a through hole, the piston disc is fixedly provided with a warning light, and the surface of the warning light is matched with the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222125418.8U CN218209011U (en) | 2022-08-12 | 2022-08-12 | Generator enclosed bus pressure-fired device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222125418.8U CN218209011U (en) | 2022-08-12 | 2022-08-12 | Generator enclosed bus pressure-fired device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218209011U true CN218209011U (en) | 2023-01-03 |
Family
ID=84655292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222125418.8U Active CN218209011U (en) | 2022-08-12 | 2022-08-12 | Generator enclosed bus pressure-fired device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218209011U (en) |
-
2022
- 2022-08-12 CN CN202222125418.8U patent/CN218209011U/en active Active
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