CN102886113A - Self-extinguishing control system adopting cold-air collosol - Google Patents
Self-extinguishing control system adopting cold-air collosol Download PDFInfo
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- CN102886113A CN102886113A CN 201110199854 CN201110199854A CN102886113A CN 102886113 A CN102886113 A CN 102886113A CN 201110199854 CN201110199854 CN 201110199854 CN 201110199854 A CN201110199854 A CN 201110199854A CN 102886113 A CN102886113 A CN 102886113A
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Abstract
The invention belongs to the field of fire extinguishing apparatus, and particularly relates to a self-extinguishing control system adopting cold-air collosol. The self-extinguishing control system comprises a cabinet, an automatic fire alarm and fire extinguishing controller, a sprayer, a gas storage bottle and a powder tank, and is characterized in that a start solenoid valve is arranged on the gas storage bottle and is communicated with the powder tank by a pipe; the powder tank is connected with the sprayer by a powder spray pipe; a release valve is arranged on the powder spray pipe; and the automatic fire alarm and fire extinguishing controller is connected with a starter arranged on the cabinet by a line, and the starter is connected with the start solenoid valve and the release valve by lines respectively. The self-extinguishing control system adopting the cold-air collosol has beneficial effects that the system is simple in structure and high in fire extinguishing efficiency, and the fire extinguishing efficiency of the extinguishing agent in unit volume is 2-3 times of that of a Halon extinguishing agent, 6-10 times of that of a common powder extinguishing agent, more than 10 times of that of a heptafluoropropane extinguishing agent, and 15 times of that of carbon dioxide. The cold-air collosol can be kept in a boiling state for a long time and does not agglomerate, thereby ensuring the fire extinguishing efficiency.
Description
Technical field
The invention belongs to the extinguishing device field, relate in particular to a kind of self-extinguishing control system adopting cold-air collosol.
Background technology
At present, the cabinet extinguishing equipment that generally uses mainly contains following several: carbon dioxide extinguisher installation, fire extinguisher of heptafluoropropane, mist extinguishing device, condensed aerosol fire extinguishing device etc.The carbon dioxide extinguishing agent pressure store is high, and the tank body in the device is heavy, and fire-fighting efficiency is low; Extinguishing chemical cracking in fire extinguishing procedure in the fire extinguisher of heptafluoropropane goes out hydrofluoric acid, and human body, glassware, precision instrument are had strong acid corrosion effect; Mist extinguishing device fire-fighting efficiency is low; And condensed aerosol fire extinguishing device produces the smog that can put out a fire by burning, uses safety undesirable, and the field of employment also is restricted.At present, Corporation R ﹠ D goes out a kind of extinguishing device that comprises nitrogen storage gas cylinder and cold air sol powder tank, by the nitrogen in the gas bomb is carried in the powder tank, thereby cold air sol is squeezed out from the powder tank, reach the purpose of fire extinguishing, controlled simultaneously again the powder tank owing to the automatic fire alarm Fire extinguisher has both needed to control gas bomb, usually so that both are asynchronous, impact fire extinguishing effect causes the explosion of powder tank.
Summary of the invention
Main purpose of the present invention is to overcome the deficiency of above-mentioned technology, and a kind of self-extinguishing control system adopting cold-air collosol is provided.Improve fire-fighting efficiency and fire-fighting safety.
The present invention for achieving the above object, by the following technical solutions: a kind of self-extinguishing control system adopting cold-air collosol, the gas bomb and the powder tank that comprise cabinet, automatic fire alarm Fire extinguisher, shower nozzle and place cabinet, it is characterized in that: described gas bomb is provided with the startup magnetic valve, and described startup magnetic valve is communicated with the powder tank by pipeline; Described powder tank is connected with described shower nozzle by the pipeline that dusts;
The described pipeline that dusts is provided with relief valve;
Described automatic fire alarm Fire extinguisher is connected with starter on being arranged on cabinet by circuit, described starter by circuit respectively with start magnetic valve and be connected with relief valve.
The described pipeline that dusts is provided with pneumatic control valve.
Described powder tank is provided with safety valve.
Beneficial effect: the present invention is simple in structure, safe and reliable, have the following advantages: 1, native system and fire alarm system have connecting interface, produce interlock with fire alarm system, both be under the orders of fire alarm system and started fire extinguishing, move enabling signal to fire alarm system feedback fire extinguishing again, form closed loop feedback control.
2. safe and reliable, have " automatically starting ", " electric manually starting " and " artificial mechanism startup " three kinds of Starting mode.In the unattended situation in protection zone, native system just is in automatic detection, automatic alarm and automatically discharges the state of extinguishing chemical fire extinguishing.Realize " automatically starting " fire extinguishing; When the protection zone has the people to guard, confirm fire through personnel, when pressing the start button on the starter, native system starts, and discharges the extinguishing chemical fire extinguishing.Realize " electric manually starting " fire extinguishing.95% extinguishing chemical can spray in 15s, and duff pipe is transported to the scene of a fire with extinguishing chemical, implements quick extinguishing.
3. fire-fighting efficiency is high, extinguishing chemical unit volume fire-fighting efficiency is 2～3 times of halon fire agent, be 6～10 times of common powder extinguishing agent, be more than 10 times of heptafluoro-propane extinguishing chemical, be 15 times of carbon dioxide.Make cold aerosol fire extinguishing agent keep for a long time fluidized state, extinguishing chemical does not lump, and guarantees fire-fighting efficiency.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in the figure, a kind of self-extinguishing control system adopting cold-air collosol, the gas bomb 4 and the powder tank 5 that comprise cabinet 1, automatic fire alarm Fire extinguisher 2, shower nozzle 3 and place cabinet, described gas bomb are provided with and start magnetic valve 6, and described startup magnetic valve is communicated with the powder tank by pipeline; Described powder tank is connected with described shower nozzle by the pipeline 7 that dusts.
The described pipeline that dusts is provided with relief valve 8, and described automatic fire alarm Fire extinguisher is connected with starter 9 on being arranged on cabinet by circuit, described starter by circuit respectively with start magnetic valve 6 and be connected with relief valve and be connected.
The described pipeline that dusts is provided with pneumatic control valve 10.To dispatch from the factory when debugging, to cut down in order protecting to discharge, make to be input to the pressure that discharges the driving nitrogen that cuts down and to be no more than 0.8 MPa.
Described powder tank is provided with safety valve 11.After pressure surpasses 1.4 MPas, discharge cut down that barrier is not for some reason opened, the pressure in the powder tank continues to rise, when the setting value that reaches safety valve (1.76 MPa), safety valve is opened, pressure release.
This device is applicable to the multiple occasions such as warehouse, oil depot, boats and ships, machine room, change power distribution room, pump house, airport, station, office, archive office, library, workshop, put out a fire to save life and property A, B, C class fire and charging equipment fire, under the larger occasion of area, be at least one group in order to reach the fire extinguishing described powder tank of effect and gas bomb, be connected in parallel.The quantity of described shower nozzle is at least one, and a plurality of shower nozzles can be installed in arbitrarily needed position.
This device is by being connected with the automatic fire alarm Fire extinguisher of outside, receive outside temperature-sensitive, the signal that sends of sense smoke sensor stamps out a fire automatically, fire-fighting efficiency improves greatly, that 12 of carbon dioxide extinguisher installation is accompanied, 10 times of fire extinguisher of heptafluoropropane, be the 2-3 of condensed aerosol fire extinguishing device doubly.
Operation principle: receive fire alarm signal, automatic fire alarm Fire extinguisher output DC24V signal, the 24V signal is delivered to first starter, starter output 24V power supply, deliver to the startup magnetic valve, nitrogen in the gas bomb by appendix, enters the powder tank, pressure fast rise in the powder tank, after 1.4 MPas, pressure controller sends pressure signal to starter, and starter starts release and cuts down (or the release of opening on the flour extraction pipe is cut down), extinguishing chemical is under the driving of high pressure nitrogen, through duff pipe, from the shower nozzle ejection, implement fire extinguishing.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. self-extinguishing control system adopting cold-air collosol, the gas bomb and the powder tank that comprise cabinet, automatic fire alarm Fire extinguisher, shower nozzle and place cabinet, it is characterized in that: described gas bomb is provided with the startup magnetic valve, and described startup magnetic valve is communicated with the powder tank by pipeline; Described powder tank is connected with described shower nozzle by the pipeline that dusts;
The described pipeline that dusts is provided with relief valve;
Described automatic fire alarm Fire extinguisher is connected with starter on being arranged on cabinet by circuit, described starter by circuit respectively with start magnetic valve and be connected with relief valve.
2. self-extinguishing control system adopting cold-air collosol according to claim 1, it is characterized in that: the described pipeline that dusts is provided with pneumatic control valve.
3. self-extinguishing control system adopting cold-air collosol according to claim 2, it is characterized in that: described powder tank is provided with safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110199854 CN102886113A (en) | 2011-07-18 | 2011-07-18 | Self-extinguishing control system adopting cold-air collosol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110199854 CN102886113A (en) | 2011-07-18 | 2011-07-18 | Self-extinguishing control system adopting cold-air collosol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102886113A true CN102886113A (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110199854 Pending CN102886113A (en) | 2011-07-18 | 2011-07-18 | Self-extinguishing control system adopting cold-air collosol |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963895A (en) * | 2016-07-15 | 2016-09-28 | 合肥联信电源有限公司 | Device with automatic detection and fire extinguishing functions for emergency power supply |
-
2011
- 2011-07-18 CN CN 201110199854 patent/CN102886113A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963895A (en) * | 2016-07-15 | 2016-09-28 | 合肥联信电源有限公司 | Device with automatic detection and fire extinguishing functions for emergency power supply |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130123 |