CN201618337U - Suppression device of fuel-air explosion in confined space - Google Patents
Suppression device of fuel-air explosion in confined space Download PDFInfo
- Publication number
- CN201618337U CN201618337U CN2009203191081U CN200920319108U CN201618337U CN 201618337 U CN201618337 U CN 201618337U CN 2009203191081 U CN2009203191081 U CN 2009203191081U CN 200920319108 U CN200920319108 U CN 200920319108U CN 201618337 U CN201618337 U CN 201618337U
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- China
- Prior art keywords
- explosion
- restricted clearance
- chamber
- oil gas
- restraining device
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Abstract
The utility model discloses a suppression device of fuel-air explosion in confined space, which aims to realize purposes of suppressing explosion or extinguishing explosion flame during the early period of explosion. The suppression device comprises a flame sensor, a controller and a plurality of explosion suppression devices; wherein the controller is electrically connected with the flame sensor, the explosion suppression devices are electrically connected with the controller, and the flame sensor is arranged in the position with a potential explosion source in the confined space; and the explosion suppression devices are arranged in the diffusion channel of the potential explosion source in the confined space to form an explosion isolating surface so as to prevent explosion propagation.
Description
Technical field
The utility model relates to the restraining device of oil gas blast in a kind of restricted clearance.
Background technology
Owing to the inflammable and explosive property of oil gas, the serious accident that occurs in oil gas explained hereafter and storage place generally all is accompanied by the oil gas blast, so each state all pays much attention to oil gas blast inhibition Study on Technology.Datonation-inhibitionly becoming a kind of method that can effectively control blast, is the effective means that prevents to explode and spread to other unit or place.
Datonation-inhibition technology is meant in blast atmosphere and adds Explosion suppressant, can make on the one hand in the blast atmosphere oxygen component diluted, reduce the chance of combustible molecule and oxygen molecule effect, simultaneously the combustible component is isolated with oxygen, between them, form the barrier that one deck does not fire, when anakmetomeres collisions Explosion suppressant, can make anakmetomeres lose activation energy and can not react; On the other hand, if combustion reaction takes place, after adding Explosion suppressant the free radical of generation and Explosion suppressant are had an effect, it is lost activity causes combustion chain reaction to interrupt, simultaneously, Explosion suppressant also absorbs the combustion reaction liberated heat in a large number, and heat can not be assembled, combustion reaction can not spread to other combustible component molecule gets on, thereby realizes the inhibition to combustion reaction.
Showing through a large amount of experiments and theoretical research, is that restricted clearance also is that the non-restricted clearance oil gas blast initial stage all is typical deflagration, and blast is progressively to be developed to detonation by detonation.After point is quick-fried,, need a process (60 meters that propagate in the early stage less than 40 meter per seconds) by oil gas detonation and flame low speed propagation developing into velocity of sound or supersonic speed propagation.Simultaneously, the destruction of blast initial stage pressure and explosion wave is all more weak.Be accompanied by the blast development, the blast later stage will bringing on a disaster property consequence to all kinds of facilities, semi underground tanks etc. such as oil depot building and oil storage tanks.Therefore, must will explode at the blast initial stage and suppress or explosive flame is put out.
The utility model content
The purpose of this utility model provides the restraining device of a kind of restricted clearance oil gas blast, to be implemented in the purpose that the blast initial stage will explode inhibition or explosive flame is put out.
The purpose of this utility model realizes by following technical proposals:
A kind of restricted clearance oil gas blast restraining device comprises
Flame sensor;
Controller is electrically connected with flame sensor;
Explosion suppressor is electrically connected with controller.
Described flame sensor is arranged in the place, potential quick-fried source in the restricted clearance;
Described a plurality of explosion suppressor is arranged in the diffusion admittance in the potential quick-fried source in the restricted clearance, constitutes explosion suppresion surface and stops detonation propagation.
Described explosion suppressor comprises aerogenesis chamber and the cushion chamber that communicates with it, and medicament chamber, nozzle, is provided with rupture disk between cushion chamber and the medicament chamber, is provided with seal membrane between medicament chamber and the nozzle, the indoor initiating mechanism that is provided with of aerogenesis.
The pressure parameter of the rupture disk of described explosion suppressor is matched according to the different application operating mode.
Described medicament is equipped with Explosion suppressant in the chamber.
Described Explosion suppressant is a cold air sol.
Described aerogenesis chamber is installed in cushion chamber inside, is the cylindrical tube of closed at both ends, and the cylindrical shell circumference is provided with the passage that communicates with cushion chamber.
Described cushion chamber and the cylindrical shell of medicament chamber for docking, both removably are docking together by first flange.
The periphery of described rupture disk is fitted on first flange.
Described medicament chamber and nozzle removably are docking together by second flange.
The periphery of described seal membrane is fitted on second flange.
The utility model adopts the device of said structure, in restricted clearance, in time survey the burning or the detonator signal at blast initial stage by sensor, and under slave mode, transmit signal and give explosion suppressor, action by explosion suppressor, it is vaporific that Explosion suppressant is emitted into, and acts on the flame front, makes it to extinguish, thereby can find as early as possible, put out the blast dangerous situation, avoid burning or blast to more serious situation development; In addition, rupture disk by apolegamy different pressures parameter, after the gaseous products that can make the indoor formation of aerogenesis breaks through rupture disk with the gas rate of release of needs and turbulivity, enter in the medicament chamber, thereby realize by regulating the release pressure of driving gas, make datonation-inhibition effect not limited by gasification speed, can fully improve the close diffusing uniformity that Explosion suppressant sprays cloud and mist, gas discharges the propagation of the back formation more effective termination flame front of impulse wave energy in being full of the restricted clearance of explosion gas simultaneously.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Horizontal layout schematic diagram when Fig. 1 is the utility model installation;
Facade when Fig. 2 is the utility model installation is arranged schematic diagram;
Fig. 3 is the explosion suppressor structural representation in the utility model;
Number in the figure: the 1st, potential quick-fried source, the 2nd, flame sensor, the 3rd, controller, the 4th, explosion suppressor, the 5th, holding wire, the 6th, gas generator, the 7th, aerogenesis chamber, the 8th, cushion chamber, the 9th, medicament chamber, the 10th, nozzle, the 11st, Explosion suppressant, the 12nd, seal membrane, the 13rd, rupture disk.
The specific embodiment
Below in conjunction with specific embodiments and the drawings the utility model is further described.
A kind of restricted clearance oil gas blast restraining device comprises:
Flame sensor;
Controller is electrically connected with flame sensor;
Explosion suppressor is electrically connected with controller.
The structure of whole device and explosion suppressor 4 as shown in Figure 3, flame sensor 2 is electrically connected by the initiating mechanism of controller 3 with explosion suppressor 4 interior gas generators.
Explosion suppressor comprises aerogenesis chamber 7, cushion chamber 8, medicament chamber 9 and nozzle 10, and cushion chamber 8 and medicament chamber 9 removably are docking together by first flange, and medicament chamber 9 and nozzle 10 removably are docking together by second flange.
Aerogenesis chamber 7 is installed in the inside of cushion chamber 8, is the cylindrical tube of closed at both ends, and the cylindrical shell circumference is provided with the passage that communicates with cushion chamber 8.
Be pressed with rupture disk 13 on first flange between cushion chamber 8 and the medicament chamber 9, the periphery of rupture disk 13 is fitted on first flange, and can break behind its middle part pressurized.Among the embodiment, rupture disk 13 has the characteristic that pressure parameter can be regulated.
Be pressed with seal membrane 12 on second flange between medicament chamber 9 and the nozzle 10, the periphery of seal membrane 12 is fitted on second flange, and can break behind its middle part pressurized.
Cushion chamber 8 is a hollow container, is used to collect adjust the gas that gas-forming agent produces behind chemical reaction, and by the rupture disk of apolegamy different pressures parameter, can the adjustments of gas release pressure, thus satisfy the sprinkling needs of varying environment.
Be provided with gas-forming agent and gas generator 6 in the aerogenesis chamber 7, and Explosion suppressant 11 remains in the medicament chamber 9 by rupture disk 13 and seal membrane 12.
Among the embodiment, Explosion suppressant 11 is efficient ultra-fine cold air sol.
When the utility model is used, mounting arrangements such as Fig. 1, shown in Figure 2,1 place, potential quick-fried source in restricted clearance is provided with flame sensor 2 in order to burning possible in the detecting limitation space or detonator signal, and pass to controller 3, calculating through controller 3, analyze, transmit control instruction or enabling signal again and give a plurality of explosion suppressors 4 that are arranged in the restricted clearance, make explosion suppressor 4 actions, ejection Explosion suppressant cloud and mist, act on the flame front, absorb the energy of flame, stop the oil gas pyric chain, make fray-out of flame, in being full of the restricted clearance of oil gas, continue to propagate thereby stop flame front.
The course of action of explosion suppressor 4 is:
The initiating mechanism of explosion suppressor 4 receives enabling signal that controllers 3 transmit (among the embodiment by holding wire 5, enabling signal is for making the initiation voltage of gas generator 6 actions), make gas generator 6 actions in the aerogenesis chamber 7 and make gas-forming agent carry out chemical reaction fast, discharge gas rapidly and enter cushion chamber 8, adjust through cushion chamber 8 again, reach rupture disk 13 setup pressure value and after breaking through rupture disk 13, gas rate of release and turbulivity with needs enter in the medicament chamber 9, be blended into the powder oxygen mixture with Explosion suppressant 11, break through seal membrane 12 formation Explosion suppressant clouds and mists again and spray to the interior flame of restricted clearance, make it to extinguish.
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a restricted clearance oil gas blast restraining device is characterized in that, comprises
Flame sensor;
Controller is electrically connected with flame sensor;
Explosion suppressor is electrically connected with controller.
2. a kind of according to claim 1 restricted clearance oil gas blast restraining device is characterized in that, described flame sensor is arranged in the place, potential quick-fried source in the restricted clearance; The diffusion admittance that described explosion suppressor is arranged in the potential quick-fried source in the restricted clearance constitutes explosion suppresion surface prevention detonation propagation.
3. a kind of according to claim 1 restricted clearance oil gas blast restraining device, it is characterized in that, described explosion suppressor comprises aerogenesis chamber and the cushion chamber that communicates with it, and medicament chamber, nozzle, be provided with rupture disk between cushion chamber and the medicament chamber, be provided with seal membrane between medicament chamber and the nozzle, the indoor initiating mechanism that is provided with of aerogenesis.
4. as a kind of restricted clearance oil gas blast restraining device as described in the claim 3, it is characterized in that the pressure parameter of the rupture disk of described explosion suppressor is matched according to the different application operating mode.
5. as a kind of restricted clearance oil gas blast restraining device as described in the claim 4, it is characterized in that described medicament is equipped with Explosion suppressant in the chamber.
6. as a kind of restricted clearance oil gas blast restraining device as described in the claim 5, it is characterized in that described Explosion suppressant is ultra-fine cold air sol.
7. as a kind of restricted clearance oil gas blast restraining device as described in claim 3 or 4 or 5, it is characterized in that described aerogenesis chamber is installed in cushion chamber inside, be the cylindrical tube of closed at both ends, the cylindrical shell circumference is provided with the passage that communicates with cushion chamber.
8. as a kind of restricted clearance oil gas blast restraining device as described in the claim 7, it is characterized in that described cushion chamber is the cylindrical shell that docks with the medicament chamber, both removably are docking together by first flange.
9. as a kind of restricted clearance oil gas blast restraining device as described in the claim 8, it is characterized in that the periphery of described rupture disk is fitted on first flange.
10. as a kind of restricted clearance oil gas blast restraining device as described in the claim 9, it is characterized in that described medicament chamber and nozzle removably are docking together by second flange; The periphery of described seal membrane is fitted on second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203191081U CN201618337U (en) | 2009-12-30 | 2009-12-30 | Suppression device of fuel-air explosion in confined space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203191081U CN201618337U (en) | 2009-12-30 | 2009-12-30 | Suppression device of fuel-air explosion in confined space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201618337U true CN201618337U (en) | 2010-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203191081U Expired - Lifetime CN201618337U (en) | 2009-12-30 | 2009-12-30 | Suppression device of fuel-air explosion in confined space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201618337U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500128A (en) * | 2014-12-02 | 2015-04-08 | 山西新思备科技股份有限公司 | Magneto-electric triggering mechanism for explosion-proof device |
| CN106422114A (en) * | 2016-10-12 | 2017-02-22 | 清华大学 | Active explosion suppression system |
| CN106730486A (en) * | 2016-12-26 | 2017-05-31 | 清华大学 | Active explosion suppression system |
-
2009
- 2009-12-30 CN CN2009203191081U patent/CN201618337U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500128A (en) * | 2014-12-02 | 2015-04-08 | 山西新思备科技股份有限公司 | Magneto-electric triggering mechanism for explosion-proof device |
| CN106422114A (en) * | 2016-10-12 | 2017-02-22 | 清华大学 | Active explosion suppression system |
| CN106422114B (en) * | 2016-10-12 | 2022-06-21 | 清华大学 | Active explosion suppression system |
| CN106730486A (en) * | 2016-12-26 | 2017-05-31 | 清华大学 | Active explosion suppression system |
| CN106730486B (en) * | 2016-12-26 | 2022-06-24 | 清华大学 | Active explosion suppression system |
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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: SICHUAN WEITELONG FIRE-FIGHTING EQUIPMENT CO., LTD Free format text: FORMER OWNER: SICHUAN WEILONG FIRE EXTINGUISHING EQUIPMENT CO., LTD. Effective date: 20110223 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 611731 NO.99-9, XIQU AVENUE, NEW AND HIGH TECHNOLOGY WEST AREA, CHENGDU CITY, SICHUAN PROVINCE TO: 611731 AFFILIATED NO.9, NO.99, XIQU AVENUE, NEW AND HIGH TECHNOLOGY WEST AREA, CHENGDU CITY, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110223 Address after: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No. Patentee after: Sichuan Weitelong Fire Fighting Equipment Co., Ltd. Address before: 611731 No. 99-9, West Avenue, hi tech West District, Sichuan, Chengdu Patentee before: Sichuan Weilong Xiaofang Shebei Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: VITALONG FIREFIGHTING SAFETY GROUP CO., LTD. Free format text: FORMER NAME: SICHUAN WEITELONG FIRE EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No. Patentee after: Witter joint-stock company of dragon security against fire group Address before: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No. Patentee before: Sichuan Weitelong Fire Fighting Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |