CN107050695A - Oil-drainage nitrogen-filling fire-extinguishing - Google Patents

Oil-drainage nitrogen-filling fire-extinguishing Download PDF

Info

Publication number
CN107050695A
CN107050695A CN201710316905.3A CN201710316905A CN107050695A CN 107050695 A CN107050695 A CN 107050695A CN 201710316905 A CN201710316905 A CN 201710316905A CN 107050695 A CN107050695 A CN 107050695A
Authority
CN
China
Prior art keywords
nitrogen
oil
valve
fuel tank
drainage
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.)
Pending
Application number
CN201710316905.3A
Other languages
Chinese (zh)
Inventor
杨文波
李雪飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG SUNRISE ELECTRIC Co Ltd
Original Assignee
ZHEJIANG SUNRISE ELECTRIC Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG SUNRISE ELECTRIC Co Ltd filed Critical ZHEJIANG SUNRISE ELECTRIC Co Ltd
Priority to CN201710316905.3A priority Critical patent/CN107050695A/en
Publication of CN107050695A publication Critical patent/CN107050695A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C2/00Fire prevention or containment
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/36Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/42Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present invention relates to a kind of oil-drainage nitrogen-filling fire-extinguishing.It solves the problems such as existing transformer extinguishing effect is poor.Including transformer body fuel tank, oil storage supplementary mechanism, drain line, nitrogen storing mechanism, note nitrogen pipeline and monitoring system, monitoring system is connected with control system, control system is connected with drive system, drive system includes the oil extraction drive device being connected with drain line and the nitrogen relief valve being arranged in nitrogen storing mechanism, and nitrogen relief valve is connected with oil extraction drive device by linkage structure.Advantage is:Automaticity is high, stability is high, thoroughly solve the problems, such as the misoperation that the device is produced in system application, add the on-line monitoring function and practicality of device, nitrogen charging mechanism and oil-releasing mechanism carry out Mechanical Driven using the interlocked valve of integral type, realize that oil extraction carries out note nitrogen, good extinguishing effect immediately after finishing.

Description

Oil-drainage nitrogen-filling fire-extinguishing
Technical field
The invention belongs to power supply unit technical field, more particularly, to a kind of oil-drainage nitrogen-filling fire-extinguishing.
Background technology
Nitrogen extinguisher for transformer is to be used for power plant, substation capacity in more than 2MVA large oil immersed power transformations A kind of device of extinguishment fire suppression of device, is called oil draining nitrogen filling fireproof fire-extinguishing device.The detection of device collection, alarm, the fire extinguishing system , it can immediately be put out a fire after starting, effectively prevent fire spread and resume combustion.Traditional nitrogen extinguisher for transformer is present Problems, for example, nitrogen charging mechanism and oil-releasing mechanism are to rely solely on electric power to drive, it is impossible to accomplish that oil extraction is stood after finishing Carry out note nitrogen, once and oil in transformer for exclude it is clean begin to nitrogen charging fire extinguishing and can greatly influence extinguishing effect, Under the various complex environments in the scene of a fire, potential safety hazard is big, while traditional nitrogen extinguisher for transformer automaticity is low, the later stage Management and maintenance exist many constant.
In order to solve the problem of prior art is present, people have carried out long-term exploration, it is proposed that miscellaneous solution Scheme.For example, Chinese patent literature discloses a kind of oil draining nitrogen filling fire extinguishing device [application number with double oil system: 201610793321.0], the device includes:Fire hydrant cabinet, the first transformer, the second transformer, switch board and emergency oil pond, fire-fighting Be provided with cabinet terminal box, nitrogen cylinder, the first drain line, the second drain line, be arranged on nitrogen cylinder export pipeline One note nitrogen pipe and the second note nitrogen pipe.First pressure detector, are respectively arranged with first drain line and the second drain line One draining valve and second pressure detector, the second draining valve.Set respectively in pipeline on the downside of first draining valve and the second draining valve It is equipped with Oil Leakage Detecting component.First pressure detector, second pressure detector are connected by terminal box with switch board.
Such scheme solves the problem of existing transformer nitrogen filling fire extinguishing device extinguishing effect is poor to a certain extent, still The program is still existed:Nitrogen charging mechanism and oil-releasing mechanism are to rely solely on electric power to drive, it is impossible to after accomplishing that oil extraction is finished Note nitrogen, the low problem of automaticity are carried out immediately.
The content of the invention
Regarding the issue above, the present invention provides a kind of simple and reasonable, the high oil extraction note of automaticity Nitrogen fire extinguishing system.
To reach above-mentioned purpose, present invention employs following technical proposal:This oil-drainage nitrogen-filling fire-extinguishing, including with use Transformer body fuel tank in the inner chamber of storage oil plant, it is characterised in that described transformer body fuel tank side is connected with storage Oily supplementary mechanism, opposite side is connected with the outside of drain line, described transformer body fuel tank and is provided with the nitrogen for being used for storing nitrogen Gas storing mechanism, described nitrogen storing mechanism is connected with the note nitrogen pipeline extended in transformer body fuel tank, and the system is also Including monitoring system, described monitoring system is connected with control system, and described control system is connected with drive system, the drive Dynamic system includes the oil extraction drive device being connected with drain line and the nitrogen relief valve being arranged in nitrogen storing mechanism, and Described nitrogen relief valve is connected with oil extraction drive device by linkage structure.Present system solves original extinguishing device Deficiency, the functional reliability of fire extinguishing system can be effectively improved, stability thoroughly solves what the device was produced in system application Misoperation problem, adds the on-line monitoring function and practicality of device.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described linkage structure includes the interlocked valve being arranged on oil exit pipe, Described interlocked valve one end is connected by noting nitrogen connecting tube with nitrogen relief valve, and the other end is by noting nitrogen transfer tube and note nitrogen pipeline It is connected, described interlocked valve lower end is connected with live locking device, and described live locking device is driven by weight and oil extraction Dynamic device is connected.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described drain line passes through oil extraction butterfly valve and transformer body fuel tank It is connected, drain line air bleeding valve is provided with drain line, described transformer body fuel tank side is provided with fire hydrant cabinet, described Fire hydrant cabinet is provided with the oil extraction body for being connected with drain line and being set in vertical shape, described oil extraction bottom of the pipe and oil guide pipe It is connected, and provided with maintenance signaling switch on oil extraction body, and described maintenance signaling switch is connected with service valve.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described nitrogen storing mechanism includes nitrogen cylinder, described nitrogen cylinder Upper end has the bottle valve being connected with nitrogen relief valve.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, isolate between described note nitrogen transfer tube and note nitrogen pipeline provided with oil gas Device, flow control valve and low height of letting out seal valve, described note nitrogen pipeline is provided with note nitrogen pipeline air bleeding valve.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described oil storage supplementary mechanism includes being arranged on transformer body fuel tank The oil conservater of top, described oil conservater is connected by connecting tube with transformer body fuel tank, described connecting tube and oil storage Cut-off valve is provided between cabinet.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described monitoring system includes the detection for being used to detect oil temperature Device, the Buchholz relay for monitoring gas density, the pressure relief valve for monitoring tank internal pressure, for drain line The oil leakage monitoring device of detection, the nitrogen margin monitoring device for nitrogen undervoltage warning and the nitrogen for noting nitrogen action feedback Gas signal feedback device.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described nitrogen margin monitoring device include being arranged on bottle valve and The electric node manometer and pressure-reducing valve being connected respectively with nitrogen relief valve.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described control system includes the switch board with control centre, and Described control centre is connected with linkage structure and monitoring system respectively.
In above-mentioned oil-drainage nitrogen-filling fire-extinguishing, described note nitrogen pipeline is horizontally extending to transformer body oil Bottom side inside case, and described note nitrogen pipeline notes nitrogen pipeline ball valves provided with some.
Compared with prior art, the advantage of this oil-drainage nitrogen-filling fire-extinguishing is:Simple in construction, automaticity is high, Stability is high, thoroughly solves the problems, such as the misoperation that the device is produced in system application, adds the on-line monitoring function of device And practicality, nitrogen charging mechanism and oil-releasing mechanism carry out Mechanical Driven using the interlocked valve of integral type, realize oil extraction finish after immediately Carry out note nitrogen, good extinguishing effect.
Brief description of the drawings
The structural representation that Fig. 1 provides for the present invention.
Fig. 2 is the sectional view at A in Fig. 1.
The structured flowchart for the monitoring system that Fig. 3 provides for the present invention.
In figure, oil conservater 1, cut-off valve 2, transformer body fuel tank 3, fire detector 4, oil extraction butterfly valve 5, drain line 6, Note nitrogen pipeline air bleeding valve 7, drain line air bleeding valve 8, oil extraction body 9, nitrogen signal feedback device 10, low height of letting out seal valve 11, inspection Repair signaling switch 12, service valve 13, interlocked valve 14, fire hydrant cabinet 15, live locking device 16, oil extraction drive device 17, oil leak prison Survey device 18, weight 19, oil guide pipe 20, oil gas isolating device 21, flow control valve 22, nitrogen relief valve 24, pressure-reducing valve 23, electricity Node pressure table 25, bottle valve 26, nitrogen cylinder 27, note nitrogen pipeline 28, note nitrogen pipeline ball valve 29, note nitrogen connecting tube 30, gas after Electrical equipment 31, pressure relief valve 32, switch board 33, oil storage supplementary mechanism 34, nitrogen storing mechanism 35, monitoring system 36, control system System 37.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As Figure 1-3, this oil-drainage nitrogen-filling fire-extinguishing, including the transformer body with the inner chamber for depositing oil plant Fuel tank 3, the side of transformer body fuel tank 3 is connected with oil storage supplementary mechanism 34, and opposite side is connected with drain line 6, transformer sheet The outside of body fuel tank 3 is provided with the nitrogen storing mechanism 35 for being used for storing nitrogen, and nitrogen storing mechanism 35, which is connected with, extends to transformer Note nitrogen pipeline 28 in body fuel tank 3, note nitrogen pipeline 28 is horizontally extending to the inside bottom side of transformer body fuel tank 3, and Nitrogen pipeline 28 is noted provided with some note nitrogen pipeline ball valves 29, the system also includes monitoring system 36, and described monitoring system 36 connects It is connected to control system 37, it is preferable that control system 37 here includes the switch board 33 with control centre, and control centre point It is not connected with linkage structure and monitoring system 36, control system 37 is connected with drive system, drive system includes and drain line 6 Connected oil extraction drive device 17 and the nitrogen relief valve 24 being arranged in nitrogen storing mechanism 35, and the He of nitrogen relief valve 24 Oil extraction drive device 17 is connected by linkage structure.Present system solves the deficiency of original extinguishing device, can effectively carry The functional reliability of high fire extinguishing system, stability thoroughly solves the problems, such as the misoperation that the device is produced in system application, increase The on-line monitoring function and practicality of device.
Specifically, linkage structure here includes the interlocked valve 14 being arranged on oil exit pipe, and the one end of interlocked valve 14 passes through note Nitrogen connecting tube 30 is connected with nitrogen relief valve 24, and the other end is connected by noting nitrogen transfer tube with note nitrogen pipeline 28, under interlocked valve 14 End is connected with live locking device 16, and live locking device 16 is connected by weight 19 with oil extraction drive device 17.
Wherein, drain line 6 here is connected by oil extraction butterfly valve 5 with transformer body fuel tank 3, on drain line 6 Provided with drain line air bleeding valve 8, the side of transformer body fuel tank 3 is provided with fire hydrant cabinet 15, and fire hydrant cabinet 15 is provided with and drain line 6 The oil extraction body 9 for being connected and being set in vertical shape, the lower end of oil extraction body 9 is connected with oil guide pipe 20, and is provided with oil extraction body 9 Signaling switch 12 is overhauled, and described maintenance signaling switch 12 is connected with service valve 13, nitrogen storing mechanism 35 here includes Nitrogen cylinder 27, the upper end of nitrogen cylinder 27 has the bottle valve 26 being connected with nitrogen relief valve 24.
Further, here oil gas isolating device 21, Flow-rate adjustment are provided between note nitrogen transfer tube and note nitrogen pipeline 28 Valve 22 and low height of letting out seal valve 11, and note nitrogen pipeline 28 is provided with note nitrogen pipeline air bleeding valve 7.
Wherein, oil storage supplementary mechanism 34 here includes the oil conservater 1 for being arranged on the top of transformer body fuel tank 3, oil storage Cabinet 1 is connected by connecting tube with transformer body fuel tank 3, and cut-off valve 2 is provided between connecting tube and oil conservater 1.
Here monitoring system 36 includes being used to detect the fire detector 4 of oil temperature, the gas for monitoring gas density Relay 31, the pressure relief valve 32 for monitoring tank internal pressure, the oil leakage monitoring device detected for drain line 6 18th, the nitrogen signal feedback device for the nitrogen margin monitoring device of nitrogen undervoltage warning and for noting nitrogen action feedback 10;Wherein, nitrogen margin monitoring device here includes what is be arranged on bottle valve 26 and be connected respectively with nitrogen relief valve 24 Electric node manometer 25 and pressure-reducing valve 23.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used oil conservater 1, cut-off valve 2, transformer body fuel tank 3, fire detector 4, oil extraction herein Butterfly valve 5, drain line 6, note nitrogen pipeline air bleeding valve 7, drain line air bleeding valve 8, oil extraction body 9, nitrogen signal feedback device 10, It is low to let out high envelope valve 11, maintenance signaling switch 12, service valve 13, interlocked valve 14, fire hydrant cabinet 15, live locking device 16, oil extraction drive Dynamic device 17, oil leakage monitoring device 18, weight 19, oil guide pipe 20, oil gas isolating device 21, flow control valve 22, nitrogen release Valve 24, pressure-reducing valve 23, electric node manometer 25, bottle valve 26, nitrogen cylinder 27, note nitrogen pipeline 28, note nitrogen pipeline ball valve 29, note nitrogen Connecting tube 30, Buchholz relay 31, pressure relief valve 32, switch board 33, oil storage supplementary mechanism 34, nitrogen storing mechanism 35, prison The terms such as examining system 36, control system 37, but it is not precluded from the possibility using other terms.The use of these terms is only to be More easily describe and explain the essence of the present invention;Being construed as any additional limitation is all and present invention essence What god disagreed.

Claims (10)

1. a kind of oil-drainage nitrogen-filling fire-extinguishing, including the transformer body fuel tank (3) with the inner chamber for depositing oil plant, it is special Levy and be, described transformer body fuel tank (3) side is connected with oil storage supplementary mechanism (34), and opposite side is connected with drain line (6) the nitrogen storing mechanism (35) for being used for storing nitrogen, described nitrogen, are provided with the outside of described transformer body fuel tank (3) Storing mechanism (35) is connected with the note nitrogen pipeline (28) extended in transformer body fuel tank (3), and the system also includes monitoring system Unite (36), described monitoring system (36) is connected with control system (37), and described control system (37) is connected with drive system, The drive system includes the oil extraction drive device (17) being connected with drain line (6) and is arranged on nitrogen storing mechanism (35) On nitrogen relief valve (24), and described nitrogen relief valve (24) is connected with oil extraction drive device (17) by linkage structure.
2. oil-drainage nitrogen-filling fire-extinguishing according to claim 1, it is characterised in that described linkage structure includes being arranged on Interlocked valve (14) on oil exit pipe, described interlocked valve (14) one end is by noting nitrogen connecting tube (30) and nitrogen relief valve (24) phase Even, the other end is connected by noting nitrogen transfer tube with note nitrogen pipeline (28), and described interlocked valve (14) lower end is connected with live locking Device (16), and described live locking device (16) is connected by weight (19) with oil extraction drive device (17).
3. oil-drainage nitrogen-filling fire-extinguishing according to claim 2, it is characterised in that described drain line (6) passes through row Oily butterfly valve (5) is connected with transformer body fuel tank (3), and drain line air bleeding valve (8) is provided with drain line (6), described Transformer body fuel tank (3) side is provided with fire hydrant cabinet (15), described fire hydrant cabinet (15) provided with being connected with drain line (6) and The oil extraction body (9) set in vertical shape, described oil extraction body (9) lower end is connected with oil guide pipe (20), and in oil extraction body (9) provided with maintenance signaling switch (12), and described maintenance signaling switch (12) is connected with service valve (13).
4. oil-drainage nitrogen-filling fire-extinguishing according to claim 3, it is characterised in that described nitrogen storing mechanism (35) bag Nitrogen cylinder (27) is included, described nitrogen cylinder (27) upper end has the bottle valve (26) being connected with nitrogen relief valve (24).
5. oil-drainage nitrogen-filling fire-extinguishing according to claim 2, it is characterised in that described note nitrogen transfer tube and note nitrogen pipe Between road (28) valve (11), described note nitrogen pipe are sealed provided with oil gas isolating device (21), flow control valve (22) and low height of letting out Road (28) is provided with note nitrogen pipeline air bleeding valve (7).
6. oil-drainage nitrogen-filling fire-extinguishing according to claim 5, it is characterised in that described oil storage supplementary mechanism (34) bag The oil conservater (1) being arranged on above transformer body fuel tank (3) is included, described oil conservater (1) passes through connecting tube and transformer sheet Body fuel tank (3) is connected, and cut-off valve (2) is provided between described connecting tube and oil conservater (1).
7. oil-drainage nitrogen-filling fire-extinguishing according to claim 4, it is characterised in that described monitoring system (36) includes using In the fire detector (4) of detection oil temperature, the Buchholz relay (31) for monitoring gas density, for monitoring fuel tank internal pressure The pressure relief valve (32) of power, the oil leakage monitoring device (18) detected for drain line (6), the nitrogen for nitrogen undervoltage warning Gas margin monitoring device and the nitrogen signal feedback device (10) for noting nitrogen action feedback.
8. oil-drainage nitrogen-filling fire-extinguishing according to claim 7, it is characterised in that described nitrogen margin monitoring device bag Include the electric node manometer (25) and pressure-reducing valve (23) for being arranged on bottle valve (26) and being connected respectively with nitrogen relief valve (24).
9. the oil-drainage nitrogen-filling fire-extinguishing according to any one in claim 1-8, it is characterised in that described control system Unite (37) include the switch board (33) with control centre, and described control centre respectively with linkage structure and monitoring system (36) it is connected.
10. oil-drainage nitrogen-filling fire-extinguishing according to claim 9, it is characterised in that described note nitrogen pipeline (28) is along water Square to extending to the internal bottom side of transformer body fuel tank (3), and described note nitrogen pipeline (28) is provided with some note nitrogen pipelines Ball valve (29).
CN201710316905.3A 2017-05-08 2017-05-08 Oil-drainage nitrogen-filling fire-extinguishing Pending CN107050695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710316905.3A CN107050695A (en) 2017-05-08 2017-05-08 Oil-drainage nitrogen-filling fire-extinguishing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710316905.3A CN107050695A (en) 2017-05-08 2017-05-08 Oil-drainage nitrogen-filling fire-extinguishing

Publications (1)

Publication Number Publication Date
CN107050695A true CN107050695A (en) 2017-08-18

Family

ID=59596244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710316905.3A Pending CN107050695A (en) 2017-05-08 2017-05-08 Oil-drainage nitrogen-filling fire-extinguishing

Country Status (1)

Country Link
CN (1) CN107050695A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108281894A (en) * 2018-03-22 2018-07-13 中国能源建设集团云南省电力设计院有限公司 Fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire
CN110504086A (en) * 2019-09-16 2019-11-26 孙铭阳 The pneumatic oil draining system of transformer fault
CN110935122A (en) * 2019-12-26 2020-03-31 中国能源建设集团云南省电力设计院有限公司 Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device
CN111013051A (en) * 2019-12-07 2020-04-17 国网辽宁省电力有限公司电力科学研究院 Oil-immersed transformer oil-discharging nitrogen-injecting fire extinguishing device calibration system and method
CN112504659A (en) * 2020-10-28 2021-03-16 国网山东省电力公司青岛供电公司 Transformer nitrogen-charging fire-extinguishing cut-off valve action threshold value checking system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1943822A (en) * 2006-10-24 2007-04-11 长沙磐龙安全系统设备有限公司 A fire fighting unit used to put out the fire on transformer and oil tank
CN201533958U (en) * 2009-08-17 2010-07-28 山东齐林电科电力设备制造有限公司 Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer
CN201783112U (en) * 2010-08-06 2011-04-06 陕西德凯电力机械有限公司 Oil-immersed transformer pressure-protection nitrogen-charging fire-extinguishing device
CN203790483U (en) * 2014-04-08 2014-08-27 常州市达克富尔环保科技有限公司 Nitrogen injection fire extinguishing apparatus of double-oil-discharge system interlocking mechanism
CN106390335A (en) * 2016-08-31 2017-02-15 常州市达克富尔环保科技有限公司 Oil-draining and nitrogen-injecting fire extinguishing device comprising double oil draining systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1943822A (en) * 2006-10-24 2007-04-11 长沙磐龙安全系统设备有限公司 A fire fighting unit used to put out the fire on transformer and oil tank
CN201533958U (en) * 2009-08-17 2010-07-28 山东齐林电科电力设备制造有限公司 Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer
CN201783112U (en) * 2010-08-06 2011-04-06 陕西德凯电力机械有限公司 Oil-immersed transformer pressure-protection nitrogen-charging fire-extinguishing device
CN203790483U (en) * 2014-04-08 2014-08-27 常州市达克富尔环保科技有限公司 Nitrogen injection fire extinguishing apparatus of double-oil-discharge system interlocking mechanism
CN106390335A (en) * 2016-08-31 2017-02-15 常州市达克富尔环保科技有限公司 Oil-draining and nitrogen-injecting fire extinguishing device comprising double oil draining systems

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108281894A (en) * 2018-03-22 2018-07-13 中国能源建设集团云南省电力设计院有限公司 Fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire
CN110504086A (en) * 2019-09-16 2019-11-26 孙铭阳 The pneumatic oil draining system of transformer fault
CN111013051A (en) * 2019-12-07 2020-04-17 国网辽宁省电力有限公司电力科学研究院 Oil-immersed transformer oil-discharging nitrogen-injecting fire extinguishing device calibration system and method
CN111013051B (en) * 2019-12-07 2023-06-16 国网辽宁省电力有限公司电力科学研究院 Verification system and method for oil-discharging and nitrogen-injecting fire extinguishing device of oil-immersed transformer
CN110935122A (en) * 2019-12-26 2020-03-31 中国能源建设集团云南省电力设计院有限公司 Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device
CN110935122B (en) * 2019-12-26 2024-03-01 中国能源建设集团云南省电力设计院有限公司 Fire extinguishing pipeline and transformer disconnection fire-fighting linkage oil discharge-nitrogen injection fire extinguishing device
CN112504659A (en) * 2020-10-28 2021-03-16 国网山东省电力公司青岛供电公司 Transformer nitrogen-charging fire-extinguishing cut-off valve action threshold value checking system and method

Similar Documents

Publication Publication Date Title
CN107050695A (en) Oil-drainage nitrogen-filling fire-extinguishing
EP3486582A1 (en) Leakage detection using absorber
CN109859926A (en) The fire extinguishing of oil-immersed transformer or oil storage tank and oil recovery device
CN207024424U (en) Oil-drainage nitrogen-filling fire-extinguishing
CN106390335A (en) Oil-draining and nitrogen-injecting fire extinguishing device comprising double oil draining systems
CN104721992B (en) Combined imputation type oil extraction nitrogen charging fire extinguishing system and extinguishing method
CN202977094U (en) Vacuum oiling machine with filtering device
CN203949763U (en) Draw-off pipe leak detection window structure
DE102018106755A1 (en) Leakage-proof housing for a cycle process
CN203415351U (en) Transformer with nitrogen-injection fire extinguishing device
CN204485161U (en) Fire trace tube formula Automatic spark detection extinguishing device
CN201345278Y (en) Vacuum capsule type oil conservato
CN205672407U (en) A kind of automatic wet pipe sprinkler system
CN211788530U (en) Quick oil extraction device of transformer body and control system
CN213912057U (en) Novel real-time oil leakage alarm device for oil discharge and nitrogen injection fire extinguishing device
CN206329916U (en) Propylene Spherical Tanks with flood pattern
CN108468947A (en) Intelligent control wet bottom gas water trap device for preventing leakage
CN209266137U (en) The fire extinguishing of oil-immersed transformer or oil storage tank and oil recovery device
CN204690842U (en) Fire water box
CN202736651U (en) Vacuum oiling machine
CN203882772U (en) Oil conservator of power transformer
CN206927105U (en) A kind of external fluid-valve regulation and control warning box
CN203659585U (en) Vacuum oil filling machine with drying units
CN112628594A (en) Safe hydrogenation station based on immersion hydrogen system
CN205911114U (en) 35kV station is with transformer vacuum oil injection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170818