CN108568047A - A kind of water spray extinguishing deluge valve pilot system - Google Patents
A kind of water spray extinguishing deluge valve pilot system Download PDFInfo
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- CN108568047A CN108568047A CN201810671703.5A CN201810671703A CN108568047A CN 108568047 A CN108568047 A CN 108568047A CN 201810671703 A CN201810671703 A CN 201810671703A CN 108568047 A CN108568047 A CN 108568047A
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- water
- water spray
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000007921 spray Substances 0.000 title claims abstract description 39
- 238000002474 experimental method Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 13
- 238000009666 routine test Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- STJLVHWMYQXCPB-UHFFFAOYSA-N propiconazole Chemical compound O1C(CCC)COC1(C=1C(=CC(Cl)=CC=1)Cl)CN1N=CN=C1 STJLVHWMYQXCPB-UHFFFAOYSA-N 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- 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 transformer fire-fighting technique fields, more particularly, to a kind of water spray extinguishing deluge valve pilot system.Including Fire Fighting Pumps, drench with rain valve system, fire cistern, fire protection control center and water spray pipe network, Fire Fighting Pumps are connect with fire cistern by pipeline, the valve system that drenches with rain includes deluge valve and water inlet signal valve, Fire Fighting Pumps, water inlet signal valve passes sequentially through pipeline with deluge valve and connects, water inlet signal valve, deluge valve and Fire Fighting Pumps are communicated to connect with fire protection control center respectively, further include stimulus butterfly valve and experiment drain valve, deluge valve, stimulus butterfly valve passes sequentially through pipeline with water spray pipe network and connects, deluge valve, experiment drain valve passes sequentially through pipeline with fire cistern and connects, stimulus butterfly valve is communicated to connect with fire protection control center.Realize accessible experiment and enable deluge valve, it is ensured that a whole set of water spray fire extinguishing system can in fire behavior or when needing, can precise and high efficiency come into operation.
Description
Technical field
The present invention relates to transformer fire-fighting technique fields, and system is tested more particularly, to a kind of water spray extinguishing deluge valve
System.
Background technology
In electric system Inner, for high-power transformer, is required in technical specification and water spray fire extinguishing system is installed, be used for
The sprinkling fire-distinguishing when main transformer is on fire.Job specification requires want firing test primary every month, effective to solve whole system.But go out
In the height consideration to main transformer safe and stable operation, usually wait until that main transformer has a power failure completely (can be spaced for a long time, one or two in this way
It is year very normal), just to entire water injection system carry out experiment solve it is in good condition.Long-time complete set of equipments is resulted in so all not
Once it acted, and one of critical component therein " deluge valve " is even more that can cause really to have and disappear because of closed state is constantly in
When anti-fire alarm, deluge valve opens failure.In actual production, it just had occurred and that several deluge valves opened the example of failure, made
At prodigious loss.A few years ago, also once had just to solving that deluge valve is effective, and the feelings that specially main transformer is had a power failure on a large scale
Condition increases many workloads for no reason, also reduces the safe and stable operation coefficient of overall grid.In addition, original structure
When water injection system is done experiment, it is to be not added with recycling direct voltage sprinkling every time, has the generation of a large amount of water wastes, the rule of waste
Mould is as follows：Each substation at least two high-power transformers, some have three or four transformers, each transformer matching
One high service drenches with rain valve pipeline branch, if according to the primary standard of monthly routine test, only prefecture-level city's power supply
Net just possesses 100 substations, the high-power transformer number of units of at least twice quantity.
Existing problem is 1, can not test in good condition or even stuck, the Wu Fakai that solves deluge valve for a long time
It opens.2, the parts of deluge valve even whole system can not be allowed to be tempered by often testing, it when needed can be fast and effective
Action 3 can not be tested and solve a whole set of system's system Kai tune and go on well for a long time；In addition, for can regular experiment place, again
It can be because actual experimental causes a large amount of water wastes.
Invention content
The present invention is at least one defect overcome described in the above-mentioned prior art, provides a kind of water spray extinguishing deluge valve examination
Check system realizes accessible experiment and enables deluge valve, it is ensured that a whole set of water spray fire extinguishing system can be in fire behavior or when needing, energy
Precise and high efficiency comes into operation.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of water spray extinguishing deluge valve experiment system
System, including Fire Fighting Pumps, the valve system that drenches with rain, fire cistern, fire protection control center and water spray pipe network, the Fire Fighting Pumps with
Fire cistern is connected by pipeline, the valve system that drenches with rain include deluge valve and water inlet signal valve, the Fire Fighting Pumps, into
Water signal valve passes sequentially through pipeline with deluge valve and connects, water inlet signal valve, deluge valve and the Fire Fighting Pumps respectively with fire-fighting
Control centre communicates to connect, and further includes stimulus butterfly valve and experiment drain valve, the deluge valve, stimulus butterfly valve and water
Spraying pipe network passes sequentially through pipeline connection, and the deluge valve, experiment drain valve pass sequentially through pipeline with fire cistern and connect, institute
The stimulus butterfly valve stated is communicated to connect with fire protection control center.
When needing experiment, first stimulus dish valve is closed, the water supply to main transformer water spray pipe network is cut off, then opens
Drain valve is tested, is opened to the water return pipeline of fire cistern, then fire alarm is simulated in the artificial set of fire protection control center, is at this time
System can draw water from fire cistern, and high pressure water is up rushed through signal valve of intaking, and deluge valve is opened in advance, and high pressure water breaks through deluge valve
It is back to fire cistern using experiment drain valve.
In the present system, stimulus dish valve is usually normally opened, is awaited orders as fire alarm.When drenching with rain valve test,
It is turned off；Finish test, but screwed back normally open position (at the same time, test drain valve be usually normally closed, doing rain
When drenching valve test, cooperation is unscrewed；Test is finished, and is screwed back normally closed position.Uninterruptedly monitoring is every for fire protection control center
The current location of a signal dish valve, can allow staff in addition to live actual observation, and fire protection control center is by receiving each letter
The electric signal of number butterfly valve may determine that whether each dish valve is in correct position, during staff can be controlled by fire-fighting
The heart knows whether fire extinguishing system can normally enable, and also staff can be reminded to avoid incorrect operation.Experiment finishes, experimental
Water valve completely closes, and stimulus dish valve restores to open completely, has electric signal and is sent to fire protection control center, informs work people
Member, system have restored normal armed state, and the water that will not have a surplus enters water return pipeline.Realization can be facilitated periodically right by this system
The detection of deluge valve state quality can facilitate realization monthly routine test the whole series water spray fire extinguishing system, and system is allowed to be in
Frequent state of activation, experiment is time-consuming short, and draining is not wasted, do not flown upward, and draining is directly returned to fire cistern through water return pipeline.
Further, further include temperature sensing cable detector, the temperature sensing cable detector is communicated with fire protection control center
Connection.Temperature sensing cable detector is used to detect the temperature of main transformer, when the temperature of main transformer is excessively high, temperature sensing cable
Detector sends out signal to fire protection control center, and fire protection control center controls whole system startup fire extinguishing after receiving signal,
Response quickly.
Further, further include open system for controlling deluge valve, the open system includes remote control dress
Set, on-site manual device and solenoid valve, the remote control apparatus, on-site manual device and solenoid valve respectively with deluge valve and
Fire protection control center communicates to connect.
Further, further include warning water system, the warning water system is communicated to connect with deluge valve and open system respectively.
When alert occurs, warning water system, which can be connected, makes a sound alarm, and warning staff's alert occurs.
Further, further include pressure switch, the pressure switch is communicated with deluge valve and fire protection control center respectively
Connection.When the pressure of deluge valve reaches setting value, pressure switch sends out signal to fire protection control center, and coordinated signals disappear
Anti- pump group starts, and staff can learn the present situation by fire protection control center.
Further, the fire protection control center is equipped with audible-visual annunciator, indicator light and hand push button.Pass through fire-fighting control
The alarm bell at center processed can send out sound-light alarm, and indicator light can send out light warning, and staff can timely receive sound
Optical signal is known alert, and can be manipulated to system by the hand push button of fire protection control center in time.
Further, the Fire Fighting Pumps include fire pump controller, for water ring net and water pump, the fire water
Pond is accessed by water pump for water ring net, and the fire pump controller is communicated to connect with water pump, the Firefighting Pump Control
Device is communicated to connect with fire protection control center.When this system starts, starting mode of pump, the water extracted in fire cistern is injected into water supply
Among looped network, by the way that water is passed through into the valve system that drenches with rain for water ring net.
Further, the water pump includes stabilized pressure pump and water spray pump.
Further, further include voltage-stabilizing system, the voltage-stabilizing system is connect with fire cistern and for water ring net respectively.Voltage stabilizing system
The effect in fire-fighting of system is to maintain to drench with rain the pressure of valve system, including voltage stabilizing pump group and vacuum tank.When the pressure for the valve system that drenches with rain
Power becomes smaller when reaching setting value, and stabilized pressure pump will start automatically, increases the pressure for the valve system that drenches with rain, reaches setting when pressure becomes larger
When value, stabilized pressure pump will stop, the pressure for the valve system that drenches with rain by voltage-stabilizing system maintenance.
Further, the valve system that drenches with rain further includes pressure gauge and discharging valve, and the pressure gauge connects with deluge valve
It connects, the discharging valve is connect with deluge valve.Intuitively the hydraulic pressure in system can be observed at the scene by pressure gauge,
The remaining ponding in system can be discharged by discharging valve.
Compared with prior art, advantageous effect is：
Routine test deluge valve state quality is realized 1. can facilitate, or even can test solve at any time；
Routine test the whole series water spray fire extinguishing system is realized 2. can facilitate, and system is allowed to be in frequent state of activation；
3. experiment is time-consuming short, draining is not wasted, is not flown upward, and draining is directly returned to fire cistern through water return pipeline；
4. experiment finishes, experiment drain valve completely closes, and stimulus dish valve restores to open completely, has electric signal and is sent to and disappears
Anti- control centre, informs staff, and the valve system that drenches with rain has restored normal armed state, and the water that will not have a surplus enters water return pipeline.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is Fire Fighting Pumps structural schematic diagram in the present invention；
Fig. 3 is the valve system structural schematic diagram that drenches with rain in the present invention；
Fig. 4 is structural schematic diagram at A in Fig. 3.
Specific implementation mode
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figs 1-4, a kind of water spray extinguishing deluge valve pilot system, including Fire Fighting Pumps 2, the valve system 3 that drenches with rain, disappear
Anti- pond 1, fire protection control center 4 and water spray pipe network 5, wherein Fire Fighting Pumps 2 include fire pump controller 21, for water ring net
22, vacuum tank 23, stabilized pressure pump 24 and water spray pump 25, fire cistern 1 is by stabilized pressure pump 24 and water spray pump 25 and for water ring net
22 connections, vacuum tank 23 connect with fire cistern 1 and for water ring net 22 respectively, stabilized pressure pump 24 and water spray pump 25 respectively with fire-fighting
Water pump controller 21 communicates to connect, and fire pump controller 21 is communicated to connect with fire protection control center 4.
The valve system 3 that drenches with rain includes deluge valve 32 and water inlet signal valve 31, for water ring net 22, water inlet signal valve 31, deluge valve
32 pass sequentially through pipeline with water spray pipe network 5 connects, and the pipeline between deluge valve 32 and water spray pipe network 5 accesses stimulus
Butterfly valve 33, introduction pipe accesses fire cistern 1 by testing drain valve 34 between deluge valve 32 and stimulus butterfly valve 33.Its
Middle experiment Signal butterfly bamper 33 and water inlet signal valve 31 are communicated to connect with fire protection control center 4.It is provided in the valve system 3 that drenches with rain
The open system of deluge valve 32 is controlled, open system includes remote control apparatus 35, on-site manual device 36 and solenoid valve 37, institute
Remote control apparatus 35, on-site manual device 36 and the solenoid valve 37 stated are communicated with deluge valve 32 and fire protection control center 4 respectively
Connection.It is additionally provided with warning water system 38 and pressure switch 39, warning water system 38 is communicated to connect with deluge valve 32 and open system respectively.
When alert occurs, warning water system 38, which can be connected, makes a sound alarm, and warning staff's alert occurs.Pressure switch 39
It is communicated to connect respectively with deluge valve 32 and fire protection control center 4.When the pressure of deluge valve 32 reaches setting value, pressure is opened
It closes 39 and sends out signal to fire protection control center 4, coordinated signals Fire Fighting Pumps start, and staff can be controlled by fire-fighting
Learn the present situation in center.
In addition, being additionally provided with pressure gauge 40 and discharging valve 41, the pressure gauge 40 and deluge valve in the valve system 3 that drenches with rain
32 connections, the discharging valve 41 are connect with deluge valve 32.It can be at the scene intuitively to the water in system by pressure gauge 40
Pressure is observed, and the remaining ponding in system can be discharged by discharging valve 41.
This system is used to carry out fire-fighting fire extinguishing to main transformer, and temperature sensing cable detector 6, sense are provided on main transformer
Warm cable fault locator 6 is communicated to connect with fire protection control center 4.Temperature sensing cable detector 6 is used to detect the temperature of main transformer, when
When the temperature of main transformer is excessively high, temperature sensing cable detector 6 sends out signal, fire protection control center 4 to fire protection control center 4
Control whole system starts fire extinguishing, response quickly after receiving signal.Several are provided with around main transformer to spray with water
The waterfog head that mist pipe network 5 is connected to, can ensure that each orientation puts out a fire to transformer when alert occurs, quickly right
Fire behavior is controlled.
This system first closes stimulus dish valve 33 when needing experiment, cuts off the confession to main transformer water spray pipe network 5
Water is then opened experiment drain valve 34, is opened to the water return pipeline of fire cistern 1, is then set in 4 people of fire protection control center
Fire alarm is simulated, system can draw water from fire cistern 1 at this time, and high pressure water is up rushed through signal valve of intaking, and deluge valve 32 is beaten in advance
It opens, high pressure water breaks through deluge valve 32 and is back to fire cistern 1 using experiment drain valve 34.
In the present system, it is normally opened when stimulus dish valve 33 is flat, awaits orders as fire alarm.It is tested doing deluge valve 32
When, just it is turned off；Finish test, and screwed back normally open position at the same time, experiment drain valve 34 it is flat when be it is normally closed,
When doing the test of deluge valve 32, cooperation is unscrewed；Test is finished, and is screwed back normally closed position.Fire protection control center 4 not between
The current location of the disconnected each signal dish valve of monitoring, can allow staff in addition to live actual observation, fire protection control center 4 is by connecing
The electric signal for receiving each Signal butterfly bamper may determine that whether each dish valve is in correct position, and staff can be by disappearing
Anti- control centre 4 knows whether fire extinguishing system can normally enable, and also staff can be reminded to avoid incorrect operation.It has tested
Finish, experiment drain valve 34 completely closes, and stimulus dish valve 33 restores to open completely, has electric signal and is sent in fire-fighting control
The heart 4, informs staff, and the valve system that drenches with rain has restored normal armed state.The water that will not have a surplus enters water return pipeline.It is by this
System, which can facilitate, realizes the periodically detection to deluge valve 32 state quality, can facilitate realization monthly routine test the whole series water spray
Fire extinguishing system, and system is allowed to be in frequent state of activation, experiment is time-consuming short, and draining is not wasted, do not flown upward, and drains through water return pipeline
Directly it is returned to fire cistern 1.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (10)
1. a kind of water spray extinguishing deluge valve pilot system, including Fire Fighting Pumps（2）, drench with rain valve system（3）, fire cistern（1）、
Fire protection control center（4）With water spray pipe network（5）, the Fire Fighting Pumps（2）With fire cistern（1）It is connected by pipeline, institute
The valve system that drenches with rain stated（3）Including deluge valve（32）With water inlet signal valve（31）, the Fire Fighting Pumps（2）, water inlet signal valve
（31）And deluge valve（32）Pass sequentially through pipeline connection, the water inlet signal valve（31）, deluge valve（32）And Fire Fighting Pumps（2）
Respectively with fire protection control center（4）Communication connection, which is characterized in that further include stimulus butterfly valve（33）With experiment drain valve
（34）, the deluge valve（32）, stimulus butterfly valve（33）With water spray pipe network（5）Pipeline connection is passed sequentially through, it is described
Deluge valve（32）, experiment drain valve（34）And fire cistern（1）Pass sequentially through pipeline connection, the stimulus butterfly valve（33）
With fire protection control center（4）Communication connection.
2. a kind of water spray extinguishing deluge valve pilot system according to claim 1, which is characterized in that further include temperature-sensitive electricity
Cable detector（6）, the temperature sensing cable detector（6）With fire protection control center（4）Communication connection.
3. a kind of water spray extinguishing deluge valve pilot system according to claim 1, which is characterized in that further include for controlling
Deluge valve processed（32）Open system, the open system includes remote control apparatus（35）, on-site manual device（36）With
Solenoid valve（37）, the remote control apparatus（35）, on-site manual device（36）And solenoid valve（37）Respectively with deluge valve
（32）And fire protection control center（4）Communication connection.
4. a kind of water spray extinguishing deluge valve pilot system according to claim 3, which is characterized in that further include waterpower police
Bell（38）, the warning water system（38）Respectively with deluge valve（32）It is communicated to connect with open system.
5. a kind of water spray extinguishing deluge valve pilot system according to claim 4, which is characterized in that further include that pressure is opened
It closes（39）, the pressure switch（39）Respectively with deluge valve（32）And fire protection control center（4）Communication connection.
6. a kind of water spray extinguishing deluge valve pilot system according to claim 5, which is characterized in that the fire-fighting control
Center processed（4）Equipped with audible-visual annunciator, indicator light and hand push button.
7. a kind of water spray extinguishing deluge valve pilot system according to claim 1, which is characterized in that the fire pump
Group（2）Including fire pump controller（21）, for water ring net（22）And water pump, the fire cistern（1）It is accessed by water pump
For water ring net（22）, the fire pump controller（21）It is communicated to connect with water pump, the fire pump controller（21）
With fire protection control center（4）Communication connection.
8. a kind of water spray extinguishing deluge valve pilot system according to claim 7, which is characterized in that further include vacuum tank
（23）, the vacuum tank（23）Respectively with fire cistern（1）With for water ring net（22）Connection.
9. a kind of water spray extinguishing deluge valve pilot system according to claim 7, which is characterized in that the water pump packet
Include stabilized pressure pump（24）It is pumped with water spray（25）.
10. a kind of water spray extinguishing deluge valve pilot system according to claim 1, which is characterized in that described drenches with rain
Valve system（3）It further include pressure gauge（40）And discharging valve（41）, the pressure gauge（40）With deluge valve（32）Connection, it is described
Discharging valve（41）With deluge valve（32）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671703.5A CN108568047A (en) | 2018-06-26 | 2018-06-26 | A kind of water spray extinguishing deluge valve pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671703.5A CN108568047A (en) | 2018-06-26 | 2018-06-26 | A kind of water spray extinguishing deluge valve pilot system |
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| Publication Number | Publication Date |
|---|---|
| CN108568047A true CN108568047A (en) | 2018-09-25 |
Family
ID=63572219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810671703.5A Pending CN108568047A (en) | 2018-06-26 | 2018-06-26 | A kind of water spray extinguishing deluge valve pilot system |
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| CN (1) | CN108568047A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453490A (en) * | 2018-10-29 | 2019-03-12 | 北京博纳菲德科技有限公司 | A kind of pressure adjusting testing equipment of spray type fire extinguisher deluge valve |
| CN109908515A (en) * | 2019-04-24 | 2019-06-21 | 广东电网有限责任公司 | It is a kind of can charging test main transformer water spray automatic fire extinguisher and its application method |
| CN110860055A (en) * | 2019-11-28 | 2020-03-06 | 国网天津市电力公司 | Transformer water sprays fire extinguishing systems |
| CN112473050A (en) * | 2020-12-30 | 2021-03-12 | 山东五岳电器有限公司 | Transformer fire fighting device and method based on automatic detection |
| CN113504060A (en) * | 2021-05-28 | 2021-10-15 | 中国核电工程有限公司 | Testing device and testing method applied to water spray fire extinguishing system of nuclear power plant |
| CN114225274A (en) * | 2021-12-24 | 2022-03-25 | 广东电网有限责任公司 | Automatic control system of drenching |
| CN114247068A (en) * | 2021-12-22 | 2022-03-29 | 福建永福电力设计股份有限公司 | Implementation method of main transformer fire-fighting water spraying fire-extinguishing system |
| CN114272531A (en) * | 2021-12-17 | 2022-04-05 | 国网河南省电力公司经济技术研究院 | Water fire control system and method for main transformer of transformer substation |
| CN114849130A (en) * | 2022-05-31 | 2022-08-05 | 华能核能技术研究院有限公司 | Fire-fighting deluge valve testing device and testing method |
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| CN109453490A (en) * | 2018-10-29 | 2019-03-12 | 北京博纳菲德科技有限公司 | A kind of pressure adjusting testing equipment of spray type fire extinguisher deluge valve |
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| CN112473050A (en) * | 2020-12-30 | 2021-03-12 | 山东五岳电器有限公司 | Transformer fire fighting device and method based on automatic detection |
| CN113504060A (en) * | 2021-05-28 | 2021-10-15 | 中国核电工程有限公司 | Testing device and testing method applied to water spray fire extinguishing system of nuclear power plant |
| CN114272531A (en) * | 2021-12-17 | 2022-04-05 | 国网河南省电力公司经济技术研究院 | Water fire control system and method for main transformer of transformer substation |
| CN114247068A (en) * | 2021-12-22 | 2022-03-29 | 福建永福电力设计股份有限公司 | Implementation method of main transformer fire-fighting water spraying fire-extinguishing system |
| CN114225274A (en) * | 2021-12-24 | 2022-03-25 | 广东电网有限责任公司 | Automatic control system of drenching |
| CN114849130A (en) * | 2022-05-31 | 2022-08-05 | 华能核能技术研究院有限公司 | Fire-fighting deluge valve testing device and testing method |
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Application publication date: 20180925 |