CN106474642A - A kind of fire-fighting system of gas turbine - Google Patents
A kind of fire-fighting system of gas turbine Download PDFInfo
- Publication number
- CN106474642A CN106474642A CN201611099516.1A CN201611099516A CN106474642A CN 106474642 A CN106474642 A CN 106474642A CN 201611099516 A CN201611099516 A CN 201611099516A CN 106474642 A CN106474642 A CN 106474642A
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- Prior art keywords
- fire
- steam
- gas turbine
- fighting
- explosion
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of fire-fighting system of gas turbine, including explosion-proof extractor fan, steam annihilator, outdoor fire fighting waterpipe extinguishing device and Protection grounding；Wherein, the explosion-proof extractor fan specifically includes explosion-proof air exhauster and imflammable gas concentration alarm；The imflammable gas concentration alarm and the explosion-proof exhausting mechatronics；The steam annihilator includes main steam header and connects multiple steam branch pipes of the main steam header；The steam branch pipe is specially the playpipe containing loose structure；The outdoor fire fighting waterpipe extinguishing device includes main water supply pipe and connects multiple fire hydrants of the main water supply pipe；The Protection grounding specifically includes lightning-protection system and earthed system；The fire-fighting system of the gas turbine that the present invention is provided, with relatively sharp fire prevention system framework, its flameproof protection effect is more preferable, function is more perfect.
Description
Technical field
The present invention relates to gas-turbine plant technical field, more particularly to a kind of fire-fighting system of gas turbine.
Background technology
At present, gas turbine power generation technology has popularized Ge great steam power plant of China.But, gas turbine in use must
The maintenance issues that must face are simultaneously pessimistic.
During gas turbine operation, the security against fire of gas turbine is particularly important；Gas turbine periodically must be carried out
Check and guarantee and be safe and reliable in terms of fire-fighting.Otherwise, gas turbine will be unable to be guaranteed using safety, while affect combustion gas
The service life of each constructional device of turbine.Turbine power plant is except considering factory building fire resisting etc. in terms of security against fire
Level, requirement of explosion proof, in addition it is also necessary to the factor such as consideration ventilation and fire-fighting system.
But, unfortunately, also do not produce can realizing above-mentioned technical functionality in prior art and be specifically designed for combustion
The fire-fighting system of gas-turbine.To sum up, how to overcome the above-mentioned technological gap in conventional art is that those skilled in the art are badly in need of solution
Problem certainly.
Content of the invention
It is an object of the invention to provide a kind of fire-fighting system of gas turbine, to solve the above problems.
In order to achieve the above object, the technical scheme is that and to be achieved in that：
The invention provides a kind of fire-fighting system of gas turbine, including explosion-proof extractor fan, steam annihilator, outdoor
Fire water pipeline extinguishing device and Protection grounding；
Wherein, the explosion-proof extractor fan specifically includes explosion-proof air exhauster and imflammable gas concentration alarm；Described
Imflammable gas concentration alarm and the explosion-proof exhausting mechatronics；
The steam annihilator 1 includes main steam header 10 and connects multiple steam branch pipes 11 of the main steam header；
The steam branch pipe 11 is specially the playpipe containing loose structure；
The outdoor fire fighting waterpipe extinguishing device includes main water supply pipe and connects the multiple of the main water supply pipe
Fire hydrant；
The Protection grounding specifically includes lightning-protection system and earthed system；The lightning-protection system and described connect
Ground system is all connected with gas turbine.
Preferably, can embodiment as one kind；The steam annihilator 1 also includes steam valve 12；The steam
Valve 12 is used for opening or closing the main steam header 10.
Preferably, can embodiment as one kind；The steam annihilator 1 also includes stop valve 13；The stop valve
13 are arranged on the steam branch pipe 11.
Preferably, can embodiment as one kind；The steam annihilator 1 also includes flange fixation kit 14；Described
Flange fixation kit 14 is arranged between the main steam header 10 and the steam branch pipe 11.
Preferably, can embodiment as one kind；The flange fixation kit 14 specifically includes two flanges, hex bolts
And hex nut and pad；Two flanges are fixedly connected by the hex bolts and the hex nut, and two
Pad is additionally provided between the individual flange.
Preferably, can embodiment as one kind；The steam annihilator 1 also includes mineral wool cartridge 15；The rock wool
Shell 15 is socketed in the outside of the main steam header 10.
Preferably, can embodiment as one kind；The surface coating of the main steam header 10 and the steam branch pipe 11
There is rust preventive coating.
Preferably, can embodiment as one kind；The surface coating of the main steam header 10 and the steam branch pipe 11
There is silver powder enamelled coating.
Preferably, can embodiment as one kind；The lightning-protection system specifically includes lightning conduction, lightning rod and takes shelter from the thunder
Device；The lightning conduction is mounted on the main equipment room at gas turbine place；The lightning rod is mounted on combustion gas wheel
On the exhaust chimney of machine；The arrester is mounted on the generator of gas turbine.
Preferably, can embodiment as one kind；The earthed system specifically includes multiple earthed circuits；Connect described in each
Earth resistance is provided with ground circuit；One end ground connection of each earthed circuit, the other end connect gas turbine power plant
Interior corresponding electric equipment.
Compared with prior art, this have the advantage that：
A kind of fire-fighting system of gas turbine that the present invention is provided, including explosion-proof extractor fan, steam annihilator, outdoor
Fire water pipeline extinguishing device and Protection grounding；
Wherein, the explosion-proof extractor fan specifically includes explosion-proof air exhauster and imflammable gas concentration alarm；Described
Imflammable gas concentration alarm and the explosion-proof exhausting mechatronics；The steam annihilator includes main steam header and company
Lead to multiple steam branch pipes of the main steam header；The steam branch pipe is specially the playpipe containing loose structure；The outdoor
Fire water pipeline extinguishing device includes main water supply pipe and connects multiple fire hydrants of the main water supply pipe；The lightning protection
Earth protective device specifically includes lightning-protection system and earthed system；The lightning-protection system and the earthed system all with combustion gas wheel
Machine connects.
The fire-fighting system of the gas turbine that the present invention is provided, which is mainly by explosion-proof extractor fan, steam annihilator, outdoor
The structure such as fire water pipeline extinguishing device and Protection grounding is constituted, and which can be sent out to gas turbine and gas turbine
Motor units efficient system flameproof protection, its can ensure that the long-term safety operation of gas turbine engine systems；The present invention is carried
For gas turbine fire-fighting system, with reliability is high, all many technical advantages such as device security is good.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that the steam annihilator architectural configurations in the fire-fighting system of gas turbine provided in an embodiment of the present invention are illustrated
Figure；
Fig. 2 is that the steam annihilator in the fire-fighting system of gas turbine provided in an embodiment of the present invention is sent out with gas turbine
Group of motors plane assembling structure schematic diagram；
Description of reference numerals：
Steam annihilator 1；Main steam header 10；Steam branch pipe 11；Steam valve 12；Stop valve 13；Flange fixation kit
14；Mineral wool cartridge 15；Gas Turbine Generating Units A.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " level ", " interior ", " outward " or position relationship be based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplify description, rather than indicate or the hint device of indication or element must with specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
To be to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Below by specific embodiment and combine accompanying drawing the present invention is described in further detail.
A kind of fire-fighting system of gas turbine provided in an embodiment of the present invention, including explosion-proof extractor fan (not shown), steaming
Vapour extinguishing device (referring to Fig. 1 and Fig. 2), outdoor fire fighting waterpipe extinguishing device (not shown) and Protection grounding are (not
Illustrate)；
Wherein, the explosion-proof extractor fan specifically includes explosion-proof air exhauster and imflammable gas concentration alarm；Described
Imflammable gas concentration alarm and the explosion-proof exhausting mechatronics；
The steam annihilator 1 includes main steam header 10 and connects multiple steam branch pipes 11 of the main steam header；
The steam branch pipe 11 is specially the playpipe containing loose structure；(steam branch pipe 11 can be looped around gas turbine powered generator
Around group A, effective sprinkling fire can be implemented to Gas Turbine Generating Units A when there is the condition of a fire and process.)
The outdoor fire fighting waterpipe extinguishing device includes main water supply pipe and connects the multiple of the main water supply pipe
Fire hydrant；
The Protection grounding specifically includes lightning-protection system and earthed system；The lightning-protection system and described connect
Ground system is all connected with gas turbine.
Relevant explosion venting device, it should be noted that cause the accident for preventing gas leakage, at generator compartment rear portion or
Container generating set built with explosion-proof air exhauster, its ventilation rate be 33 times/when (container-type is 291 times/hour to the maximum).?
Air exhauster ventilation should be started before unit operation.In generator compartment or container generating set built with 2 imflammable gas concentration reports
Alert device, when indoor fuel gas concentration reaches alarm limit, alarm will produce sound and light alarm, and start air exhauster exhausting.
Relevant steam annihilator, it should be noted that generator compartment is equipped with steam annihilator, steam smoothering supplies intensity
More than 0.0015kg/m3s.When there is unexpected fire, steam valve should be opened rapidly.It should be noted that vapor system is not
The inert gas of combustion, and a kind of cheap firing-fighting medium.It can dilute or replacement combustion area in fuel gas (steam) and
Combustion-supporting gas, and reduce the concentration of both gas, so as to reach the effect of effective fire smothering.Successfully to sink fire extinguishing,
Not only need the steam of whole number is sprayed into combustion zone, and require to make at short notice to quickly form steaming in the space of combustion zone
Vapour curtain, makes steam reach effective extinguishing concentration.Above-mentioned steam annihilator exactly implements above-mentioned fire extinguishing behaviour using this principle
Make.Each main place of above-mentioned gas turbine should be equipped with dry powder extinguisher.
Relevant outdoor fire fighting waterpipe extinguishing device：It should be noted that being provided with outdoor fire fighting water pipe around factory building
Road extinguishing device, is typically mainly made up of main water supply pipe and multiple fire hydrants, above-mentioned outdoor fire fighting waterpipe fire extinguishing dress
Put for building and non-electrical equipment equipment fire-fighting.
Concrete structure below to the fire-fighting system of gas turbine provided in an embodiment of the present invention and particular technique effect
Do and describe in detail：
Preferably, can embodiment as one kind；The steam annihilator 1 also includes steam valve 12；The steam
Valve 12 is used for opening or closing the main steam header 10.
It should be noted that steam valve is main switchgear；When there is unexpected fire, staff should be rapid
Steam valve is opened, so as to control the switch for opening steam annihilator, and then can be by steam smoothering mode Rapid Implementation
Fire-extinguishing operations.
Preferably, can embodiment as one kind；The steam annihilator 1 also includes stop valve 13；The stop valve
13 are arranged on the steam branch pipe.
It should be noted that above-mentioned steam annihilator also installation settings has stop valve, above-mentioned stop valve can enter at any time
Row is opened or is closed, and then realizes carrying out switch control rule to each steam branch pipe.
Preferably, can embodiment as one kind；The steam annihilator 1 also includes flange fixation kit 14；Described
Flange fixation kit 14 is arranged between the main steam header and the steam branch pipe.The flange fixation kit 14 is specifically included
Two flanges, hex bolts and hex nuts and pad；Two flanges are by the hex bolts and the hexagonal
Nut is fixedly connected, and is additionally provided with pad between two flanges.
It should be noted that flange fixation kit Main Function is above-mentioned pipe fitting to be implemented connection and is implemented after connection
Fastening effect；Above-mentioned flange fixation kit is mainly provided between the main steam header and the steam branch pipe, can will be upper
State pipe fitting to implement fastening and seal.
Preferably, can embodiment as one kind；The steam annihilator 1 also includes mineral wool cartridge 15；The rock wool
Shell 15 is socketed in the outside of the main steam header 10.
It should be noted that above-mentioned mineral wool cartridge is one of structure of steam annihilator；Rock wool pipe is that one kind mainly should
Rock wool heat-preservation material for pipeline.Mineral wool cartridge is widely used in each Industrial Boiler such as oil, chemical industry, metallurgy, ship, weaving
And the insulation of equipment pipe.The heat-insulating property of mineral wool cartridge, machinability, fire protecting performance are good.Mineral wool cartridge acidity coefficient
Height, with good chemical stability and fiber durability；Therefore above-mentioned mineral wool cartridge as the insulation construction of main steam header is
The most suitable.
Preferably, can embodiment as one kind；The surface coating of the main steam header 10 and the steam branch pipe 11
There is rust preventive coating.The surface of the main steam header 10 and the steam branch pipe 11 is coated with silver powder enamelled coating.
It should be noted that in order to ensure that steam annihilator has more preferable structural reliability, it is ensured that steam smoothering is filled
The service life that puts, should coat overcoat on the surface of main steam header and steam branch pipe.The overcoat can select multiple
Material or the enamelled coating of form, but the use environment for steam annihilator, preferably select using rust preventive coating or silver
Powder enamelled coating etc..
Preferably, can embodiment as one kind；The lightning-protection system specifically includes lightning conduction, lightning rod and takes shelter from the thunder
Device；The lightning conduction is mounted on the main equipment room at gas turbine place；The lightning rod is mounted on combustion gas wheel
On the exhaust chimney of machine；The arrester is mounted on the generator of gas turbine.
It should be noted that power station lightning-protection system is designed to lightning protection requirement by Equations of The Second Kind building and installs, measure
As follows：Lightning conduction is installed on main equipment room, prevents indirect lightning strike.Lightning rod is mounted with the exhaust chimney of hot-water boiler.Generate electricity
Machine neutral point is equipped with arrester, prevents destruction of the thunder and lightning invasion and attack to generator insulating.
Preferably, can embodiment as one kind；The earthed system specifically includes multiple earthed circuits；Connect described in each
Earth resistance is provided with ground circuit；One end ground connection of each earthed circuit, the other end connect gas turbine power plant
Interior corresponding electric equipment.
It should be noted that earthed system, the earth resistance of each capital equipment in its power station is as follows：High-tension electricity equipment≤10
Ω；Electrical equipment of low voltage≤4 Ω；Instrumentation grounding resistance≤4 Ω；Lightning protection resistance≤10 Ω；Wherein, 2 area places is all
All using special ground connection, earth resistance is less than 10 to the pipeline of device housings, metallic conduit and 2 area places of entrance
Ω.In order to save metal material, by the use of the reinforcing bar inside building foundation as grounding body, while the factory building surrounding in plant area is laid
Grounded screen, is constituted the grounded screen of lightning protection with this.
The fire-fighting system of gas turbine provided in an embodiment of the present invention has the technical advantage of following aspect：
First, the fire-fighting system of gas turbine provided in an embodiment of the present invention, which has special structure design, with more
Clearly fire prevention system framework, its flameproof protection effect more preferably, function more perfect.
2nd, the fire-fighting system of gas turbine provided in an embodiment of the present invention, which is mainly by explosion-proof extractor fan, steam smoothering
The structures such as device, outdoor fire fighting waterpipe extinguishing device and Protection grounding are constituted, its can to gas turbine and
Gas turbine powered generator units efficient system flameproof protection, its can ensure that the long-term safety fortune of gas turbine engine systems
OK；The fire-fighting system of the gas turbine that the present invention is provided, with reliability high, device security is good etc., and all many technology are excellent
Gesture..
The fire-fighting system of the gas turbine provided based on many significant technical advantages above, the present invention will be brought well
Market prospects and economic benefit.
Finally it should be noted that：Various embodiments above only in order to technical scheme to be described, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of fire-fighting system of gas turbine, it is characterised in that including explosion-proof extractor fan, steam annihilator (1), outdoor
Fire water pipeline extinguishing device and Protection grounding；
Wherein, the explosion-proof extractor fan specifically includes explosion-proof air exhauster and imflammable gas concentration alarm；Described flammable
Property gas concentration alarm and the explosion-proof exhausting mechatronics；
Described steam annihilator (1) includes main steam header (10) and connects multiple steam branch pipes of the main steam header
(11)；Described steam branch pipe (11) are specially the playpipe containing loose structure；
The outdoor fire fighting waterpipe extinguishing device includes main water supply pipe and connects multiple fire-fightings of the main water supply pipe
Water bolt；
The Protection grounding specifically includes lightning-protection system and earthed system；The lightning-protection system and ground connection system
System is all connected with gas turbine.
2. the fire-fighting system of gas turbine as claimed in claim 1, it is characterised in that
Steam annihilator (1) also includes steam valve (12)；Described steam valve (12) are used for opening or closing institute
State main steam header (10).
3. the fire-fighting system of gas turbine as claimed in claim 2, it is characterised in that
Steam annihilator (1) also includes stop valve (13)；Stop valve (13) are arranged on the steam branch pipe (11)
On.
4. the fire-fighting system of gas turbine as claimed in claim 3, it is characterised in that
Steam annihilator (1) also includes flange fixation kit (14)；Flange fixation kit (14) are arranged on described
Between main steam header (10) and the steam branch pipe (11).
5. the fire-fighting system of gas turbine as claimed in claim 4, it is characterised in that
Flange fixation kit (14) specifically include two flanges, hex bolts and hex nuts and pad；Described in two
Flange is fixedly connected by the hex bolts and the hex nut, and is additionally provided with pad between two flanges.
6. the fire-fighting system of gas turbine as claimed in claim 1, it is characterised in that
Steam annihilator (1) also includes mineral wool cartridge (15)；Mineral wool cartridge (15) are socketed in the main steam header
(10) outside.
7. the fire-fighting system of gas turbine as claimed in claim 1, it is characterised in that
The surface of main steam header (10) and the steam branch pipe (11) is coated with rust preventive coating.
8. the fire-fighting system of gas turbine as claimed in claim 1, it is characterised in that
The surface of main steam header (10) and the steam branch pipe (11) is coated with silver powder enamelled coating.
9. the fire-fighting system of gas turbine as claimed in claim 1, it is characterised in that
The lightning-protection system specifically includes lightning conduction, lightning rod and arrester；The lightning conduction is mounted on the combustion gas
On the main equipment room that turbine is located；The lightning rod is mounted on the exhaust chimney of gas turbine；The arrester is installed and is set
Put on the generator of gas turbine.
10. the fire-fighting system of gas turbine as claimed in claim 1, it is characterised in that
The earthed system specifically includes multiple earthed circuits；Earth resistance is provided with each described earthed circuit；Each
One end ground connection of the earthed circuit, corresponding electric equipment in other end connection gas turbine power plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099516.1A CN106474642A (en) | 2016-12-02 | 2016-12-02 | A kind of fire-fighting system of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099516.1A CN106474642A (en) | 2016-12-02 | 2016-12-02 | A kind of fire-fighting system of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106474642A true CN106474642A (en) | 2017-03-08 |
Family
ID=58275811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611099516.1A Pending CN106474642A (en) | 2016-12-02 | 2016-12-02 | A kind of fire-fighting system of gas turbine |
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| Country | Link |
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| CN (1) | CN106474642A (en) |
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Application publication date: 20170308 |
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