CN202315048U - Automatic fire-extinguishing device - Google Patents
Automatic fire-extinguishing device Download PDFInfo
- Publication number
- CN202315048U CN202315048U CN2011203597406U CN201120359740U CN202315048U CN 202315048 U CN202315048 U CN 202315048U CN 2011203597406 U CN2011203597406 U CN 2011203597406U CN 201120359740 U CN201120359740 U CN 201120359740U CN 202315048 U CN202315048 U CN 202315048U
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- Prior art keywords
- storage tank
- gas generator
- gas
- temporary storage
- shell
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Abstract
The utility model relates to an automatic fire-extinguishing device. According to the conventional automatic fire-extinguishing device, secondary combustion or secondary explosion is caused easily; and a gas generator is not sealed, so if an igniter or a gas production agent is damped in a long-term mine environment, response time is prolonged, powder cannot be sprayed in time when a combustion source occurs, and the combustion and explosion of combustible and explosive gases cannot be controlled. According to the automatic fire-extinguishing device, an isolation layer is arranged between a dry powder storage tank and a spray nozzle; a guide cylinder is arranged between a shell of the gas generator and a high-pressure gas temporary storage tank; pressure-relief holes are formed in the shell of the gas generator; a discharge hole is formed in the high-pressure gas temporary storage tank; a protective door is arranged outside the discharge hole; the right end of the guide cylinder is welded on a large-screw cylinder, and the left end of the guide cylinder is hollow; and a seal cover is arranged at the top end of the shell of the gas generator. By the automatic fire-extinguishing device, the temperature of gas ejected by the high-pressure gas temporary storage tank is reduced; the secondary combustion or the secondary explosion is avoided; the igniter or the gas production agent cannot be damped in the long-term mine environment, so that the power-spraying response time is constant.
Description
Technical field
The utility model belongs to the field that industries such as oil, chemical industry, coal contain flammable explosive gas, relates to a kind of be used for ending or the putting out burning or the blast at flammable explosive gas initial stages such as methane, the automatic fire extinguisher that avoids greater disaster.
Background technology
Automatic fire extinguishing system is the safety device that is applied to oil field oil storage tank, refueling station in recent years, contains the combustion explosion at deathtrap initial stages such as deathtrap, flammable explosive gas chemical plant, coal containing methane gas ore deposit; It consists of intrinsic safety hold concurrently explosion-proof constant voltage dc source, flame detection unit, control module and essential safe type automatic fire extinguisher; Its operation principle is: produce when there is initial flame the deathtrap of containing flammable explosive gas; Sensor sensing sends signal to flame and gives control module; Control module outputs signal to automatic fire extinguisher; The igniting of gas generator in the device produces the extinguishing chemical dry powder ejection in will install of gases at high pressure moments, in the initial flame position and around form enough big dry powder mist and hinder, end and put out initial burning things which may cause a fire disaster.
The defective that existing automatic fire extinguisher exists is:
1. employed common gas generating agent ignition temperature is greater than 2000 ℃; About 1000 ℃ of the temperature of the gas generating agent burning back gas generator shell in the gas generator (greater than 650 ℃ of flammable explosive gas such as methane blast initial temperatures); If there are the flammable explosive gas such as methane of debita spissitudo to get into the dry powder storage tank along nozzle, hole entering gas generator and the gas generator housing contacts along the temporary tank bottom of gases at high pressure can cause second-time burning or blast again;
2. not sealing of gas generator, if igniter or gas generating agent make moist in Minepit environment for a long time, the reaction time can prolong greatly, runs into when having burning things which may cause a fire disaster to produce in time to dust, and is out of control to the combustion explosion of flammable explosive gas;
3. safety protective door is not set outside the hole of the temporary tank bottom of gases at high pressure promptly accomplishes back gas generator shell and directly be communicated with, saidly understand initiation second-time burning or blasts as 2. with extraneous flammable explosive gas in gas generating agent burning;
The utility model content
The technical problem that the utility model solved provides a kind of temporary storage tank of gases at high pressure that reduces and sprays fuel gas temperature, stops the automatic fire extinguisher of second-time burning or blast.
A kind of automatic fire extinguisher comprises nozzle, dry powder storage tank, the temporary storage tank of gases at high pressure, gas generator shell, electric igniter, device base plate, and a side of dry powder storage tank is connected with sealed nozzle; Opposite side connects and composes hermetically-sealed construction with the device base plate, and device base plate center is provided with electric igniter, the sheathed successively gas generator shell of electric igniter, the temporary storage tank of gases at high pressure outward; In the gas generator shell gas generating agent is set; Its special character is: between dry powder storage tank and the nozzle separation layer is set, is provided with guide shell between the temporary storage tank of gas generator shell and gases at high pressure, generator shell is provided with relief hole; The temporary storage tank of gases at high pressure is provided with porus excretorius; Porus excretorius is outside equipped with protective door, and the right-hand member of guide shell is welded on the king bolt tube, left end hollow; The top of described gas generator shell is provided with seal cover.
In the middle of being arranged on, above-mentioned electric igniter has on the gas generator base of internal thread.
The temporary welding in storage tank of above-mentioned gases at high pressure is on the king bolt tube of the inside and outside arch silk on the device base plate.
Above-mentioned gas generator shell is arranged on the gas generator base on the device base plate.
Compared with prior art, the beneficial effect of the utility model:
1. between gas generator shell and the temporary storage tank of gases at high pressure, be provided with guide shell; Make high-pressure gas by can be not directly after ejecting in the relief hole by the porus excretorius ejection of the temporary storage tank of gases at high pressure; Reduced the temperature (combustion gas is discharged by left end through guide shell, and the process of flowing through can reduce fuel gas temperature) of the temporary storage tank ejection of gases at high pressure combustion gas;
2. adopt present up-to-date gas-forming agent; Ignition temperature is less than 1000 ℃; The temperature of the gas generating agent reaction back gas generator shell in the gas generator is at (less than flammable explosive gas Temperature Of The Initial Combustions such as methane) below 200 ℃; If there is the flammable explosive gas of debita spissitudo to get into the dry powder storage tank along nozzle, porus excretorius entering gas generator and the gas generator housing contacts along the temporary storage tank of gases at high pressure can not cause second-time burning or blast again;
3. the gas generator top is provided with seal cover, and relief hole is used rubber stopper seal, can keep in the long Minepit environment igniter or gas generating agent not to make moist, and makes the reaction time of dusting constant;
4. outside the porus excretorius position of the temporary storage tank of gases at high pressure, safety protective door is set; Safety protective door is opened with the rising of the temporary pressure of storage tank of gases at high pressure under the effect of spring force; Gas generating agent burning is accomplished back pressure reduction and is closed rapidly; The gas generator shell can not be communicated with extraneous flammable explosive gas, stops to cause second-time burning or blast.
Description of drawings
[0010] Fig. 1 is the structural representation of the utility model.
[0011] 1-nozzle, 2-nozzle, the temporary storage tank of 3-gases at high pressure, 4-guide shell, 5-seal cover; 6-gas generator shell, 7-relief hole, 8-relief hole, 9-porus excretorius, 10-protective door; The 11-electric igniter, 12-gas generator base, 13-base plate, 14-king bolt tube.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
Referring to Fig. 1, the utility model comprises the temporary storage tank of nozzle 1, dry powder storage tank 2, gases at high pressure 3, gas generator shell 6, electric igniter 11, device base plate 13, and a side and the nozzle 1 of dry powder storage tank 2 are tightly connected; Opposite side connects and composes hermetically-sealed construction with device base plate 13, and device base plate 13 centers are provided with electric igniter 11, and electric igniter 11 is sheathed successively gas generator shell 6, the temporary storage tank 3 of gases at high pressure outward; Gas generating agent 8 is set in the gas generator shell 6; Between dry powder storage tank 2 and the nozzle 1 separation layer is set, is provided with guide shell 4 between the temporary storage tank 3 of gas generator shell 6 and gases at high pressure, generator shell 6 is provided with relief hole 7; The temporary storage tank 3 of gases at high pressure is provided with porus excretorius 9; Porus excretorius 9 is outside equipped with protective door 10, and protective door 10 is the monolateral safety protective door that is welded in 9 peripheries, has spring control to close.
The top of above-mentioned gas generator shell 6 is provided with seal cover 5.In the middle of being arranged on, above-mentioned electric igniter 11 has on the gas generator base 12 of internal thread.
The right-hand member of guide shell 4 is welded on the king bolt tube 14, and left end hollow is after air-flow process guide shell 4 coolings by relief hole 7 ejections, from the temporary storage tank 3 of left end entering gases at high pressure of guide shell 4.
The temporary storage tank 3 of above-mentioned gases at high pressure is welded on the king bolt tube 14 of the inside and outside arch silk on the device base plate 13.
Above-mentioned gas generator shell 6 is arranged on the gas generator base 12 on the device base plate 13.
Porus excretorius 9 is for being randomly dispersed in the temporary storage tank 3 surperficial 20cm of gases at high pressure
2Different big small hole set on the area.
The course of work of the utility model:
Extraneous burning things which may cause a fire disaster causes sensing and controlling system and to electric igniter 11 input electrical signals; Electric igniter 11 get angry light gas generating agent 8 produce high-pressure gas along relief hole 7 and turn down that two places, seal cover 5 backs spray at a high speed (can be in the structure of guide shell 4 directly by 9 ejections by 7 high-pressure gas of discharging; But discharge the temporary storage tank 3 of entering gases at high pressure) through guide shell 4 right-hand member water conservancy diversion; Gases at high pressure are opened the ejection at a high speed of protective door 10 backs at porus excretorius 9 places, it is after separation layer is broken through by high pressure draught that sealed polyethylene plastic is arranged between porus excretorius 2 and the nozzle 1, and the dry powder in the porus excretorius 2 evenly is ejected in certain space with gases at high pressure and forms dry powder mist barrier; In time put out and by flame propagation; After high-pressure gas was discharged, 10 moments of protective door closed under the effect of spring force, to guarantee completely cutting off of gas generator high-temperature region and extraneous flammable explosive gas; Reach dual (gas generating agent is stopped for the first time, and safety protective door is stopped for the second time) and stop the optimum efficiency of flammable explosive gas secondary detonation.
Claims (4)
1. automatic fire extinguisher; Comprise nozzle (1), dry powder storage tank (2), the temporary storage tank of gases at high pressure (3), gas generator shell (6), electric igniter (11), device base plate (13); One side of dry powder storage tank (2) and nozzle (1) are tightly connected; Opposite side connects and composes hermetically-sealed construction with device base plate (13), and device base plate (13) center is provided with electric igniter (11), the outer sheathed successively gas generator shell (6) of electric igniter (11), the temporary storage tank of gases at high pressure (3); Gas generating agent (8) is set in the gas generator shell (6); It is characterized in that: between dry powder storage tank (2) and the nozzle (1) separation layer is set, is provided with guide shell (4) between gas generator shell (6) and the temporary storage tank of gases at high pressure (3), generator shell (6) is provided with relief hole (7); The temporary storage tank of gases at high pressure (3) is provided with porus excretorius (9); Porus excretorius (9) is outside equipped with protective door (10), and the right-hand member of guide shell (4) is welded on the king bolt tube (14), left end hollow; The top of described gas generator shell (6) is provided with seal cover (5).
2. a kind of automatic fire extinguisher according to claim 1 is characterized in that: have on the gas generator base (12) of internal thread in the middle of described electric igniter (11) is arranged on.
3. a kind of automatic fire extinguisher according to claim 1 and 2 is characterized in that: the temporary storage tank of described gases at high pressure (3) is welded on the king bolt tube (14) of the inside and outside arch silk on the device base plate (13).
4. a kind of automatic fire extinguisher according to claim 3 is characterized in that: described gas generator shell (6) is arranged on the gas generator base (12) on the device base plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203597406U CN202315048U (en) | 2011-09-23 | 2011-09-23 | Automatic fire-extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203597406U CN202315048U (en) | 2011-09-23 | 2011-09-23 | Automatic fire-extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202315048U true CN202315048U (en) | 2012-07-11 |
Family
ID=46427053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203597406U Expired - Fee Related CN202315048U (en) | 2011-09-23 | 2011-09-23 | Automatic fire-extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202315048U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495266A (en) * | 2013-10-21 | 2014-01-08 | 北京鼎烨伟信电力设备有限公司 | Secondary explosion fire extinguishers |
| CN105126274A (en) * | 2015-08-18 | 2015-12-09 | 四川天微电子有限责任公司 | Movable intelligent fire extinguishment and explosion suppression system for gas station |
| CN106267630A (en) * | 2015-09-01 | 2017-01-04 | 湖北航天化学技术研究所 | Powder jet fire extinguisher is with non-pressure storage type low temperature gas generator |
| CN112807901A (en) * | 2020-12-29 | 2021-05-18 | 安徽理工大学 | Blasting dust fall gasbag watering device |
-
2011
- 2011-09-23 CN CN2011203597406U patent/CN202315048U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495266A (en) * | 2013-10-21 | 2014-01-08 | 北京鼎烨伟信电力设备有限公司 | Secondary explosion fire extinguishers |
| CN105126274A (en) * | 2015-08-18 | 2015-12-09 | 四川天微电子有限责任公司 | Movable intelligent fire extinguishment and explosion suppression system for gas station |
| CN106267630A (en) * | 2015-09-01 | 2017-01-04 | 湖北航天化学技术研究所 | Powder jet fire extinguisher is with non-pressure storage type low temperature gas generator |
| CN112807901A (en) * | 2020-12-29 | 2021-05-18 | 安徽理工大学 | Blasting dust fall gasbag watering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA GENERAL SAFETECH CO., LTD. Free format text: FORMER OWNER: LI MIN Effective date: 20140923 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 713800 XIANYANG, SHAANXI PROVINCE TO: 100085 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140923 Address after: 100085, Times Building, No. 28 West Road, Beijing, Haidian District, No. 6, block A Patentee after: China General Safetech Co., Ltd. Address before: Chengguan town pool 713800 Xianyang city in Sanyuan County of Shaanxi Province Yang Street No. 112 Patentee before: Li Min |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20180923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |