CN2824996Y - Oil immersion type nitrogen-charging fire-extinguishing device for power transformer - Google Patents
Oil immersion type nitrogen-charging fire-extinguishing device for power transformer Download PDFInfo
- Publication number
- CN2824996Y CN2824996Y CN 200520124335 CN200520124335U CN2824996Y CN 2824996 Y CN2824996 Y CN 2824996Y CN 200520124335 CN200520124335 CN 200520124335 CN 200520124335 U CN200520124335 U CN 200520124335U CN 2824996 Y CN2824996 Y CN 2824996Y
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- CN
- China
- Prior art keywords
- nitrogen
- oil
- valve
- charging
- oil extraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an oil immersion type nitrogen-charging fire-extinguishing device for a transformer, which comprises a fire-fighting cabinet 9, a nitrogen bottle 2, a nitrogen-charging valve opening device 1, a nitrogen-charging pipe passage 5, an oil removal component 4, an oil discharging valve 7, an oil discharging pipe passage 8 and an oil discharging valve opening device 10, wherein a low discharge safety valve 3 is arranged between the nitrogen-charging valve opening device 1 on the nitrogen-charging pipe passage 5 and the oil removal component 4; an oil discharging safety valve 6 is arranged at the upper part of the oil discharging valve 7 on the oil discharging pipe passage 8. The utility model has the advantages of good sealing performance and reliable operation.
Description
Technical field
The utility model relates to a kind of transformer extinguishing device, particularly a kind of device that adopts nitrogen extinguishing in oil-filled transformer.
Background technology
Existing transformer fills the nitrogen extinguishing device and leaks processing components and transless oil seepage processing components in the oil extraction pipeline at nitrogen blanketing valve Lu Zhongwu gas, its weak point is: fill nitrogen and hold the chronic leakage of the long-time interior gas meeting of valve gear, nitrogen in the nitrogen blanketing valve road is cumulative, when the gas pressure that gathers surpasses oil removal assembly top oil pressure, nitrogen will charge in the transformer body, causes the device maloperation; If draining valve poor sealing in the oil extraction pipeline, oil in long-time in the transformer can leak in the oil extraction pond, can't be isolated the transformer oil on draining valve top during maintenance, in the inflow oil sump that transformer oil will be a large amount of, therefore can't be guaranteed the operation of transformer safety.
Summary of the invention
The purpose of this utility model is to provide a kind of and overcomes above-mentioned shortcoming, good airproof performance, service-strong oil-filled transformer and fill the nitrogen extinguishing device.
The utility model is achieved in that a kind of oil-filled transformer fills the nitrogen extinguishing device, comprise FHC and place nitrogen bottle in the FHC, fill nitrogen and drive valve gear, nitrogen blanketing valve road, oil removal assembly, draining valve, oil extraction pipeline, oil extraction and drive valve gear, it is characterized in that the nitrogen that fills on this nitrogen blanketing valve road opens to be provided with between valve gear and the oil removal assembly and low let out safety valve, the draining valve top on this oil extraction pipeline is provided with the oil extraction safety valve.Its operation principle is: let out the safety valve action when starting to hang down when gas leaks into the sealing pipeline section, the gas that leaks is excreted in the air, when fire extinguishing system starts, low let out safety valve and close automatically, prevented from like this to open the device maloperation that the chronic leakage of valve gear causes owing to fill nitrogen.Because an oil extraction safety valve has been installed on oil extraction pipeline draining valve, when the chronic seepage of transformer oil, can manually close this valve earlier, open again after waiting to have keeped in repair draining valve.
Compared with prior art, this device solves the sealing problem of nitrogen blanketing valve road and oil extraction pipeline, prevented the device maloperation that causes by sealing, can be under the transformer operation maintenance operation that carries out the oil extraction pipeline of safety, use reliable.
Description of drawings
Accompanying drawing is the utility model structural representation.
Among the figure: 1, fill nitrogen and drive valve gear, 2, the nitrogen bottle, 3, the low safety valve of letting out, 4, the oil removal assembly, 5, the nitrogen blanketing valve road, 6, the oil extraction safety valve, 7, draining valve, 8, the oil extraction pipeline, 9, FHC, 10, oil extraction drives valve gear.
The specific embodiment
As shown in the figure, the utility model comprises FHC 9 and places nitrogen bottle 2 in the FHC 9, fills that nitrogen is driven valve gear 1, the low safety valve 3, nitrogen blanketing valve road 5, oil removal assembly 4, draining valve 7, oil extraction pipeline 8, oil extraction let out driven valve gear 10.The low safety valve 3 of letting out is installed in and fills nitrogen on the nitrogen blanketing valve road 5 and open between valve gear 1 and the oil removal assembly 4, open that nitrogen slowly leaks in the valve gear 1 if fill nitrogen, when the gas pressure that gathers is no more than oil removal assembly 4 top oil pressure, gas will be discharged from the low steam vent of letting out safety valve 3 tops, when if fire extinguishing system starts, low let out safety valve 3 and close automatically, the gas low safety valve 3 of letting out of flowing through charges into transformer body bottom by oil removal assembly 4.An oil extraction safety valve 6 is installed on draining valve 7 tops on oil extraction pipeline 8, and this valve is opened under the normal condition, when the chronic seepage of transformer oil, can manually close this oil extraction safety valve 6 earlier, opens oil extraction safety valve 6 again after waiting to have keeped in repair draining valve 7.
Claims (1)
1, a kind of oil-filled transformer fills the nitrogen extinguishing device, comprise FHC and place nitrogen bottle in the FHC, fill nitrogen and drive valve gear, nitrogen blanketing valve road, oil removal assembly, draining valve, oil extraction pipeline, oil extraction and drive valve gear, it is characterized in that: the nitrogen that fills on this nitrogen blanketing valve road (5) is opened to be provided with between valve gear (1) and the oil removal assembly (4) and low is let out safety valve (3), and draining valve (7) top on this oil extraction pipeline (8) is provided with oil extraction safety valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124335 CN2824996Y (en) | 2005-11-11 | 2005-11-11 | Oil immersion type nitrogen-charging fire-extinguishing device for power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124335 CN2824996Y (en) | 2005-11-11 | 2005-11-11 | Oil immersion type nitrogen-charging fire-extinguishing device for power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2824996Y true CN2824996Y (en) | 2006-10-11 |
Family
ID=37065179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520124335 Expired - Fee Related CN2824996Y (en) | 2005-11-11 | 2005-11-11 | Oil immersion type nitrogen-charging fire-extinguishing device for power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2824996Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080002A (en) * | 2014-05-20 | 2015-11-25 | 庄孟文 | Nitrogen inflation extinguishing equipment with automatic pressure relief function for transformer |
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
-
2005
- 2005-11-11 CN CN 200520124335 patent/CN2824996Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
| CN105080002A (en) * | 2014-05-20 | 2015-11-25 | 庄孟文 | Nitrogen inflation extinguishing equipment with automatic pressure relief function for transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061011 Termination date: 20101111 |