CN202538212U - Constant low-pressure blowing inert gas fire extinguishing system - Google Patents
Constant low-pressure blowing inert gas fire extinguishing system Download PDFInfo
- Publication number
- CN202538212U CN202538212U CN2012202104158U CN201220210415U CN202538212U CN 202538212 U CN202538212 U CN 202538212U CN 2012202104158 U CN2012202104158 U CN 2012202104158U CN 201220210415 U CN201220210415 U CN 201220210415U CN 202538212 U CN202538212 U CN 202538212U
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- pressure
- extinguishing chemical
- inert gas
- container value
- fire extinguishing
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Abstract
The utility model relates to a constant low-pressure blowing inert gas fire extinguishing system which comprises a fire extinguishing agent bottle group, a container valve, a starter, a fire extinguishing agent bottle group pressure gauge, a fire extinguishing agent circulation pipeline one-way valve, a collecting pipe, a collecting pipe pressure gauge, a collecting pipe safety bleeder, a pipe network, a pressure signal feedback device, a release hose, a driving hose, a nozzle and a pressure reducer, wherein one end of the pressure reducer is connected with the container valve and is used for reducing the blowing pressure of the fire extinguishing system, the other end of the pressure reducer is connected to the inlet of the collecting pipe by the release hose and the fire extinguishing agent circulation pipeline one-way valve, and the outlet of the collecting pipe is connected to the pipe network. The nozzle end of the constant blowing inert gas fire extinguishing system generates constant and low injection pressure, so that the problem that the blowing pressure of the nozzle at earlier stage is overhigh because the flow of the perforated plate at the pressure reduction earlier stage is overlarge is thoroughly solved; and furthermore, due to relatively low and constant nozzle blowing pressure, the fire extinguishing invalidation caused by damage of a fender structure due to overhigh nozzle blowing pressure is effectively prevented.
Description
Technical field
The utility model relates to fire-fighting system, and concrete constant low pressure is spurted inert gas fire-fighting system.
Background technology
At present, the inert gas agent that derives from atmosphere that colorless and odorless is nontoxic more and more receives people's attention.Existing conventional 15/20MPa inert gas fire-fighting system uses pressure reducing orifice in whole gas extinguishing system, the high pressure inertia extinguishing chemical that is spurted to be reduced pressure.That is, the gases at high pressure of extinguishing chemical bottle group ejection reduce pressure through the pressure reducing orifice in the system.
Pressure reducing orifice is to reduce extinguishing chemical pressure through the throttle orifice that the restriction extinguishing chemical flows; In theory; The design pressure of the pipe network after the pressure reducing orifice can be reduced to lower level, and only the parts before pressure reducing orifice is used the design pressure of inert gas agent bottle group.But because the orifice plate decompression is unstable, though the extinguishing chemical pressure after the pressure reducing orifice reduces, follow-up pipe network still can use the pipe fitting of relatively high pressure, so that system is protected.
In addition, at the fire extinguishing procedure initial stage, the flow of orifice plate is bigger; Nozzle end pressure is bigger, spray into the guard plot after gas volume expand rapidly, pressure increases rapidly; The building enclosure of rapid wears such as tamper protection district body of wall, door, window, glass causes inert gas fire-fighting system fire extinguishing failure easily.
Therefore, need a kind of stable inert gas fire-fighting system that reduces pressure of exploitation, make that after decompression follow-up pipe network can use lower design pressure, reducing production costs, and avoid structure, equipment in the guard plot not to be damaged.
The utility model content
The purpose of the utility model provides a kind of stable constant low pressure that reduces pressure and spurts inert gas fire-fighting system.
For realizing above-mentioned purpose; The utility model provides a kind of constant low pressure to spurt inert gas fire-fighting system; Comprise extinguishing chemical bottle group, container value, starter, extinguishing chemical bottle group Pressure gauge, extinguishing chemical circulation line check valve, header, header Pressure gauge, header safety relief device, pipe network, pressure signal feedback device, discharge flexible pipe, drive flexible pipe and nozzle; Wherein
Said container value is installed in the bottle mouth position of each extinguishing chemical bottle of said extinguishing chemical bottle group, is used to control extinguishing chemical and discharges;
Said starter is connected with said container value, is used to control the unlatching of container value; And
Said extinguishing chemical bottle group Pressure gauge is connected with said container value, is used to show the extinguishing chemical pressure in the said extinguishing chemical bottle;
It is characterized in that:
Said constant low pressure is spurted inert gas fire-fighting system and is also comprised pressure reducer, and said pressure reducer is connected with said container value, is used to reduce the blowing down pressure of said fire extinguishing system;
Said release flexible pipe one end is connected to pressure reducer, and the other end is connected to the inlet of said extinguishing chemical circulation line check valve;
The outlet of said extinguishing chemical circulation line check valve is connected to the inlet of said header, and said header outlet is connected to said pipe network; And
Said driving flexible pipe is installed between the starter, is used to drive container value.
Preferably, said extinguishing chemical bottle group is fixed through the bottle pack support, and is fixed together through bottle group anchor ear.
Preferably, said starter comprises the electromagnetic starter, the hand starting device that is used to manually boot said container value that are used for electricity and start said container value, is used to manually boot or the luck starter of the said container value of pneumatic startup and be used for the gas starter that gas starts said container value.
Preferably, said pipe network comprises pipeline and the selector valve that is connected with pipeline, pressure signal feedback device and nozzle, and said selector valve is provided with the selector valve driver element.
Preferably, accommodate inert gas agent in the said extinguishing chemical bottle.
Preferably, inert gas agent is IG-01, IG-100, IG-55, IG-541, more preferably is IG-100.
Preferably, said pressure reducer is that the model of Luo Da Simon Rex company is the pressure reducer of B0840.
The constant of the utility model spurts in the inert gas fire-fighting system, produces constant expulsion pressure in nozzle end, and it is excessive and make the too high problem of nozzle blowing down pressure in early stage thoroughly to have solved orifice plate decompression flow in early stage.And relatively low pressure, constant nozzle blowing down pressure, effectively prevented owing to the fire extinguishing that the too high reason of nozzle blowing down pressure causes building enclosure to be destroyed causing was lost efficacy.In addition, the constant blowing down pressure of nozzle relatively low pressure also can drop to lower level for equipment in the guard plot and personnel's injury.
In addition, owing to adopted pressure reducer, the storage of the extinguishing chemical in extinguishing chemical bottle pressure is higher.Thereby reduced the use amount of extinguishing chemical bottle group, reduced the floor space and the operating space area of extinguishing chemical bottle group, reduced the area between steel cylinder, improved whole building use value and utilization rate.And the minimizing of extinguishing chemical bottle group makes that activation member matching used with it, connecting line, extinguishing chemical check valve and header etc. also can reduce.
Description of drawings
Fig. 1 is the structural representation that constant low pressure that the utility model is shown is spurted an embodiment of inert gas fire-fighting system;
Fig. 2 is the workflow diagram that the constant low pressure of the utility model is spurted inert gas fire-fighting system.
The specific embodiment
Below will combine accompanying drawing that the preferred embodiment of the utility model is elaborated, so that clearer purpose, characteristics and the advantage of understanding the utility model.It should be understood that embodiment shown in the drawings is not the restriction to the utility model scope, and just for the connotation of the utility model technical scheme is described.Part identical among the figure uses the same reference numerals to represent.
Fig. 1 is the structural representation that the constant low pressure of the utility model is spurted an embodiment of inert gas fire-fighting system 100; Among this embodiment; Fire extinguishing system 100 comprises 4 extinguishing chemical bottles, but should be understood that extinguishing chemical bottle and corresponding other parts that any amount can be set as required.Here, constant low pressure is meant when extinguishing device spurts that the blowing down pressure fluctuation is very little, and fluctuation range is in 0-0.5MPa, and blowing down pressure is between 0-4MPa.As shown in the figure, inert gas fire-fighting system 100 comprises extinguishing chemical bottle group 1, container value 4, pressure reducer 9, starter (6,7a, 7b, 12), extinguishing chemical bottle group Pressure gauge 5, extinguishing chemical circulation line check valve 24, header 11, header Pressure gauge 21, header safety relief device 22, selector valve (18,19), pipe network (14,15,16,17), pressure signal feedback device 20, nozzle 23.Fire extinguishing system 100 links to each other with automatic alarm system.
Extinguishing chemical bottle group 1 is the steel high-pressure seamless gas cylinder, is used to fill extinguishing chemical, and extinguishing chemical is an inert gas.According to CNS 20128-2006, the inert gas that is used to put out a fire mainly comprises IG-01, IG-100, IG-55, IG-541, and the extinguishing chemical that adopts in the present embodiment is IG-100.。In the present embodiment, extinguishing chemical bottle group comprises four extinguishing chemical bottles, and four extinguishing chemical bottles are fixed to body of wall through bottle pack support 2, and is fixed together through bottle group anchor ear 3.
Container value 4 is installed in each extinguishing chemical bottle bottleneck, is used to control extinguishing chemical and discharges.Extinguishing chemical bottle group Pressure gauge 5 is installed on container value 4, is used for the pressure of display bottle group 1.Also be equipped with on the container value 4 on the extinguishing chemical bottle in four extinguishing chemical bottles and be used for the electromagnetic starter 6 and the hand starting device 7a that is used to manually boot container value 4 that electricity starts container value 4; Be equipped with on the container value 4 on another extinguishing chemical bottle and be used for electromagnetic starter 6 that electricity starts container value 4 and be used to manually boot or the luck starter 7b of pneumatic startup container value 4; Be equipped with on the container value 4 on other two extinguishing chemical bottles and be used for the gas starter 12 that gas starts container value 4.Between each starter, also be provided with and drive flexible pipe 8b, be used to drive container value 4.
Pressure reducer 9 also is installed on container value 4, and pressure reducer 9 is disclosed pressure reducers in the European patent application EP 1873607, and preferably, the model that can adopt Luo Da Simon Rex company is the pressure reducer of B0840.The inlet of pressure reducer 9 is connected to the outlet of each container value 4, is used to reduce the blowdown presssure of inert gas in each bottle group.Pressure reducer 9 outlets are connected with an end that discharges flexible pipe 8a, and the other end that discharges flexible pipe 8a is connected to the arrival end of extinguishing chemical one-directional fluid valve 24.The port of export of extinguishing chemical one-directional fluid valve 24 is connected to the inlet of header 11.Header 11 is fixed on the body of wall through header support 10a and header anchor ear 10b.On header 11, also be provided with header Pressure gauge 21 and header safety relief device 22.Header Pressure gauge 21 is used for the display set flow-line pressure, and it is that header provides protection that header safety relief device 22 is used for when the header overvoltage.
The outlet of header 11 is connected with selector valve 18 through straight-through 14, and selector valve 18 is connected with threeway 15 and elbow 16 through pipeline again.On selector valve 18, be provided with and be used to control the selector valve driver element 19 that selector valve 18 is opened.An outlet of threeway 15 connects nozzle 23, and an end of elbow 16 also connects nozzle 23.In the pipeline behind selector valve 18, also be provided with pressure signal feedback device 20, with the pressure of real-time this section of monitoring pipeline.
In addition, in the foregoing description, the low high envelope valve 13 of letting out is installed on starter 12 also, is used to discharge the gas leakage that drives in the flexible pipe road 8b.
Fig. 2 is the workflow diagram that the constant low pressure of the utility model is spurted cabinet extinguishing equipment.During work, when the breaking out of fire of a certain guard plot, the detector that at first detects fire signal sends a signal and gives the fire extinguishing control panel; After the control panel of putting out a fire subsequently receives another kind of other detector signal, will start the catch fire selector valve of guard plot of correspondence, behind the time-delay 30S; Open the extinguishing chemical bottle group that correspondence is equipped with magnetic valve, the gas in its extinguishing chemical bottle group is discharged, wherein the gas of part release is opened the gas starter on the corresponding extinguishing chemical bottle group; Start and open follow-up bottle group; Release fire suppression agent is to header, and the pipe network of flowing through is in the place's release of the terminal nozzle of pipe network.
Through test; If the initial pressure of the extinguishing chemical in the bottle group is 30MPa, then during agent application, the pressure of the extinguishing chemical in the bottle group will reduce as time goes by gradually; The pressure at nozzle place then maintains constant relatively low pressure whole spurting in the process, be about 2-4MPa.This has explained that the constant low pressure of the utility model spurts inert gas fire-fighting system and can when not using, store extinguishing chemical with elevated pressures, and spurts extinguishing chemical with constant low pressure in use.
The inert gas fire-fighting system that the utility model uses uses constant output high pressure relief device; Pressure reducer utilizes its inner orifice union to the gases at high pressure throttling; The gas that pressure is high expands in low-pressure chamber through orifice union, makes gases at high pressure become the relatively low gas of pressure, and extinguishing chemical bottle group can preferentially select for use the high-pressure seamless steel cylinder of 20/30MPa to store the inertia extinguishing chemical before the pressure reducer; Reduced the use amount of extinguishing chemical bottle group with respect to the 15MPa inert gas fire-fighting system; Reduce the floor space and the operating space area of extinguishing chemical bottle group, reduced the area between steel cylinder, improved whole building use value and utilization rate.The minimizing of extinguishing chemical bottle group makes that activation member matching used with it, connecting line, extinguishing chemical check valve and header etc. also can reduce.
And the design pressure of all parts behind the whole system pressure reducer all is the output pressure of pressure reducer, has reduced the wall thickness grade of pipe network, has reduced gas extinguishing system and has built cost.With respect to orifice plate pressure reducing mode inert gas fire-fighting system, the constant inert gas fire-fighting system that spurts can make inertia extinguishing chemical peak flow reduction when putting out a fire, and can reduce the use amount of guard plot relief valve series products.
The constant inert gas fire-fighting system nozzle end of spurting produces constant low-pressure fuel injection pressure, and it is excessive and make the too high problem of nozzle blowing down pressure in early stage thoroughly to have solved orifice plate decompression flow in early stage.And relatively low pressure, constant nozzle blowing down pressure have effectively prevented owing to the fire extinguishing that the too high reason of nozzle blowing down pressure causes building enclosure to be destroyed causing was lost efficacy.In addition, the constant blowing down pressure of nozzle relatively low pressure also can drop to lower level for equipment in the guard plot and personnel's injury.
In addition, apart from pipe-line system, system's release pressure is big more for length, and whole pressure loss in piping is big more, may cause nozzle end pressure not enough.Adopt the constant inert gas fire-fighting system that spurts; Guaranteed the nozzle end constant pressure, the pressure loss is less, thereby makes the mounting distance of nozzle can be farther; And being arranged on a lot of applications, the system of longer distance all has very big advantage; Can be arranged in non-important room away from the guard plot between steel cylinder, effectively save cost.
Below described the preferred embodiment of the utility model in detail, but it will be appreciated that, after having read the above-mentioned teachings of the utility model, those skilled in the art can do various changes or modification to the utility model.These equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (5)
1. a constant low pressure is spurted inert gas fire-fighting system; Comprise extinguishing chemical bottle group, container value, starter, extinguishing chemical bottle group Pressure gauge, extinguishing chemical circulation line check valve, header, header Pressure gauge, header safety relief device, pipe network, pressure signal feedback device, discharge flexible pipe, drive flexible pipe and nozzle; Wherein
Said container value is installed in the bottle mouth position of each extinguishing chemical bottle of said extinguishing chemical bottle group, is used to control extinguishing chemical and discharges;
Said starter is connected with said container value, is used to control the unlatching of container value; And
Said extinguishing chemical bottle group Pressure gauge is connected with said container value, is used to show the extinguishing chemical pressure in the said extinguishing chemical bottle;
It is characterized in that:
Said constant low pressure is spurted inert gas fire-fighting system and is also comprised pressure reducer, and said pressure reducer is connected with said container value, is used to reduce the blowing down pressure of said fire extinguishing system;
Said release flexible pipe one end is connected to pressure reducer, and the other end is connected to the inlet of said extinguishing chemical circulation line check valve;
The outlet of said extinguishing chemical circulation line check valve is connected to the inlet of said header, and said header outlet is connected to said pipe network; And
Said driving flexible pipe is installed between the starter, is used to drive container value.
2. constant low pressure according to claim 1 is spurted inert gas fire-fighting system, it is characterized in that: said extinguishing chemical bottle group is fixed through the bottle pack support, and is fixed together through bottle group anchor ear.
3. constant low pressure according to claim 1 is spurted inert gas fire-fighting system, it is characterized in that: said starter comprises the electromagnetic starter, the hand starting device that is used to manually boot said container value that are used for electricity and start said container value, be used to manually boot or the luck starter of the said container value of pneumatic startup and be used for the gas starter that gas starts said container value.
4. constant low pressure according to claim 1 is spurted inert gas fire-fighting system; It is characterized in that: said pipe network comprises pipeline and the selector valve that is connected with pipeline, pressure signal feedback device and nozzle, and said selector valve is provided with the selector valve driver element.
5. constant low pressure according to claim 1 is spurted inert gas fire-fighting system, it is characterized in that: accommodate inert gas agent in the said extinguishing chemical bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202104158U CN202538212U (en) | 2012-05-10 | 2012-05-10 | Constant low-pressure blowing inert gas fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202104158U CN202538212U (en) | 2012-05-10 | 2012-05-10 | Constant low-pressure blowing inert gas fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202538212U true CN202538212U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202104158U Expired - Lifetime CN202538212U (en) | 2012-05-10 | 2012-05-10 | Constant low-pressure blowing inert gas fire extinguishing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202538212U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383652A (en) * | 2014-11-17 | 2015-03-04 | 天津意安消防设备有限公司 | Electromagnetically-controlled carbon dioxide fire extinguishing system capable of starting by automatically extracting gas |
| CN104436490A (en) * | 2014-11-17 | 2015-03-25 | 天津意安消防设备有限公司 | Inert gas fire extinguishing system employing electromagnetic-controlled automatic gas-pickup starting mode |
| CN110270034A (en) * | 2019-06-10 | 2019-09-24 | 中山泽安科技有限公司 | Fire plant and cabinet assembly with it |
-
2012
- 2012-05-10 CN CN2012202104158U patent/CN202538212U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383652A (en) * | 2014-11-17 | 2015-03-04 | 天津意安消防设备有限公司 | Electromagnetically-controlled carbon dioxide fire extinguishing system capable of starting by automatically extracting gas |
| CN104436490A (en) * | 2014-11-17 | 2015-03-25 | 天津意安消防设备有限公司 | Inert gas fire extinguishing system employing electromagnetic-controlled automatic gas-pickup starting mode |
| CN110270034A (en) * | 2019-06-10 | 2019-09-24 | 中山泽安科技有限公司 | Fire plant and cabinet assembly with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |