CN110975201A - Handheld mixed gas fire extinguishing device for vertical pipeline gas jet fire - Google Patents
Handheld mixed gas fire extinguishing device for vertical pipeline gas jet fire Download PDFInfo
- Publication number
- CN110975201A CN110975201A CN201911346954.7A CN201911346954A CN110975201A CN 110975201 A CN110975201 A CN 110975201A CN 201911346954 A CN201911346954 A CN 201911346954A CN 110975201 A CN110975201 A CN 110975201A
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- CN
- China
- Prior art keywords
- fire extinguishing
- mixed gas
- fire
- extinguishing agent
- gas
- Prior art date
- 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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Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims description 61
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 206010003497 Asphyxia Diseases 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a handheld mixed gas fire extinguishing device for vertical pipeline gas jet fire, which comprises the following components in part by weight: a diffusion distributor with fire extinguishing nozzles is fixed above combustion flames of a vertical gas pipeline by a fixing device, fire extinguishing agents ejected by a main fire extinguishing nozzle in the middle position are used for suppressing fire, the areas near the root parts of the flames are completely covered by the fire extinguishing agents ejected by four auxiliary fire extinguishing nozzles on the periphery, and the combustion flames are rapidly extinguished under the synergistic effect of suffocation, chemical inhibition, cooling and impact of mixed gas fire extinguishing agents. The handheld mixed gas fire extinguishing device for the vertical pipeline gas jet fire not only ensures the aim of quickly and effectively extinguishing the vertical pipeline gas jet fire, but also achieves the characteristics of small volume, light weight, simple structure and convenient operation and use.
Description
The technical field is as follows:
the invention relates to a handheld mixed gas fire extinguishing device for vertical pipeline gas jet fire, and belongs to the technical field of fire fighting and safety.
Background art:
in the energy and chemical industry of China, the pipeline ratio of combustible gas is that the gas components are also different, for some combustible gas, the combustible gas can react with water at high combustion temperature to generate a large amount of flammable and explosive gas or release a large amount of heat, and if a water-based extinguishing agent is adopted for fire extinguishing treatment, instant explosion can be caused, so that the accident is expanded instantly, a large amount of casualties and huge property loss can be brought, and the accident is also rare in the petrochemical industry. Therefore, in order to ensure the fire extinguishing safety in the vertical pipeline fire accident in the petrochemical industry, the existing fire extinguishing device must be improved.
Disclosure of Invention
In order to overcome the defects that the vertical pipeline gas jet fire in the existing petrochemical industry can be subjected to chemical reaction when meeting water to cause explosion and the like in the water mist fire extinguishing process, the invention aims to provide the handheld mixed gas fire extinguishing device for the vertical pipeline gas jet fire, which can quickly and effectively extinguish the high-speed gas jet fire of the vertical pipeline and can ensure the safety of the fire extinguishing process.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a handheld mixed gas fire extinguishing device for vertical pipe gas jet fire: a mixed gas fire extinguishing device is sleeved below the outlet of the vertical pipeline;
the mixed gas fire extinguishing device comprises a fire extinguishing device and a fixing device, the fixing device integrally fixes the mixed gas fire extinguishing device on the side wall of the vertical pipeline and fixes the mixed gas fire extinguishing device, and the fire extinguishing agent required by the mixed gas fire extinguishing device for fire extinguishing is supplied by a fire extinguishing agent bottle group and is conveyed to the mixed gas fire extinguishing device by a fire extinguishing agent conveying pipe communicated with the fire extinguishing agent bottle group.
The further technology of the invention is as follows:
preferably, the mixed gas extinguishing device comprises a diffusion distributor, a main extinguishing nozzle and an auxiliary extinguishing nozzle, the diffusion distributor is a closed container, the central part of the bottom of the diffusion distributor is provided with the main extinguishing nozzle with a vertically downward opening, the auxiliary extinguishing nozzle is uniformly arranged in the circumferential direction of the bottom of the ellipsoid, and the right outer side of the diffusion distributor is provided with a gas extinguishing agent inlet pipe.
Preferably, the auxiliary fire extinguishing nozzles are 4 stainless steel gas fire extinguishing agent nozzles, the spraying angles are 120-135 degrees, the openings face the outer lower side, and the opening direction and the vertical direction form an angle of 15-30 degrees.
Preferably, the main fire extinguishing nozzle is a stainless steel gas fire extinguishing agent nozzle, and the spraying angle is 90-120 degrees.
Preferably, the gas fire extinguishing agent inlet pipe is made of steel pipes, is integrally arranged in the upward 45-degree direction of the right outer side of the diffusion distributor, the opening at the upper right end faces the upward 45-degree direction of the outer side, and is integrally provided with a locker at a port, and the lower left end is communicated with the diffusion distributor.
Preferably, fixing device constitute by otic placode and regulation pole, the otic placode altogether 2, be down "L" shape, the tip fixed connection of horizontal segment just is symmetrical arrangement in the diffusion distributor centre position circumference outside, is close to the middle part of vertical section lower extreme and is equipped with a circular screw through-hole, and the level setting has the external screw thread in the circular screw through-hole holding screw that shakes hands, holding screw one end of shaking hands is passed through ball head joint and is connected the fixed pipe clamp, and other end integral type is equipped with one and adjusts the bracelet.
Preferably, the fire extinguishing agent conveying pipe is a metal hose, a control valve is arranged on the fire extinguishing agent conveying pipe, one end of the fire extinguishing agent conveying pipe is communicated with a gas fire extinguishing agent inlet pipe on the diffusion distributor and locked through a locker, and the end part of the other end of the fire extinguishing agent conveying pipe is provided with a flange and communicated with a gas collecting pipe flange of the fire extinguishing agent bottle group through the flange.
Compared with the prior art, the invention has the beneficial effects that:
(1) the handheld mixed gas fire extinguishing device for the vertical pipeline gas jet fire can quickly extinguish the vertical pipeline gas burning fire, overcomes the defects of great danger and harmfulness in the fire extinguishing process caused by chemical reaction when meeting water and easy explosion in the petrochemical industry, can be used for extinguishing the vertical pipeline jet fire which has chemical reaction when meeting water and easy explosion, and can also be used for extinguishing the general vertical pipeline jet fire of combustible gas.
(2) The handheld mixed gas fire extinguishing device for the vertical pipeline gas jet fire not only ensures the aim of quickly and effectively extinguishing the gas vertical pipeline burning fire, but also achieves the characteristics of small volume, economy, practicability, convenient installation, reconstruction and maintenance.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a view of the diffuser structure of the present invention;
FIG. 3 is an installation view of the fire suppression nozzle of the present invention;
reference numbers in the figures: 1-a vertical pipe; 2-combustion flame; 3-a diffuser distributor; 4-ear plate; 5-fire extinguishing agent delivery pipe; 6-a control valve; 7-fire extinguishing agent bottle group; 8-holding the fixed screw; 9-gaseous extinguishing agent inlet pipe; 10-auxiliary extinguishing nozzle; 11-a primary extinguishing nozzle; 12-fixing the pipe clamp; 13-adjusting bracelet.
The specific implementation structure is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a hand-held mixed gas fire extinguisher for vertical duct gas fire: a mixed gas fire extinguishing device is sleeved below the outlet of the vertical pipeline;
the mixed gas fire extinguishing device comprises a fire extinguishing device and a fixing device, the fixing device integrally fixes the mixed gas fire extinguishing device on the side wall of the vertical pipeline and fixes the mixed gas fire extinguishing device, and the fire extinguishing agent required by the mixed gas fire extinguishing device for fire extinguishing is supplied by a fire extinguishing agent bottle group 7 and is conveyed to the mixed gas fire extinguishing device by a fire extinguishing agent conveying pipe 5 communicated with the fire extinguishing agent bottle group 7.
The mixed gas fire extinguishing device consists of a diffusion distributor 3, a main fire extinguishing nozzle 11 and an auxiliary fire extinguishing nozzle 10, wherein the diffusion distributor 3 is an ellipsoidal closed container and is made of a stainless steel plate, and the inner wall and the outer wall of the diffusion distributor are subjected to corrosion prevention treatment; the central part of the bottom is provided with a main fire extinguishing nozzle 11 with a vertically downward opening, auxiliary fire extinguishing nozzles 10 are uniformly arranged on the circumferences of the radii of 1/4-1/3 of the bottom of the ellipsoid, and the right outer side of the ellipsoid is provided with a gas fire extinguishing agent inlet pipe 9.
The auxiliary fire extinguishing nozzles 10 are 4 stainless steel gas fire extinguishing agent nozzles, the spraying angles are 120-135 degrees, the openings face the outer lower side, and the opening direction and the vertical direction form an angle of 15-30 degrees.
The main fire extinguishing nozzle 11 is a stainless steel gas fire extinguishing agent nozzle, and the spraying angle is 90-120 degrees.
The gaseous extinguishing agent inlet tube 9 be made by steel pipe processing, the integral type setting is in diffusion distributor 3 right side outside 45 orientation upwards, upper right end opening upwards 45 orientations and be equipped with a locker at the port integral type towards the outside, left lower extreme and diffusion distributor 3 intercommunication.
Fixing device constitute by otic placode 4 and regulation pole, otic placode 4 altogether 2, make by steel sheet processing, be down "L" shape, the tip fixed connection of horizontal segment just is symmetrical arrangement in diffusion distributor 3 positive position circumference outside, is close to the middle part of vertical section lower extreme and is equipped with a circular screw through-hole, the interior level of circular screw through-hole sets up the clamping screw 8 that shakes hands that has the external screw thread, the clamping screw 8 one end of shaking hands is passed through bulb articulate fixed pipe clamp 12, the other end integral type is equipped with one and adjusts bracelet 13.
The fixed pipe clamp 12 is arc-shaped and is made of steel pipes, the angle of the arc is 90-120 degrees, and the center part of the outer side of the fixed pipe clamp is connected with one end of the adjusting rod.
The hand shaking adjusting bracelet 13 is a circular ring processed by round steel.
The fire extinguishing agent conveying pipe 5 is a metal hose, a control valve 6 is arranged on the fire extinguishing agent conveying pipe 5, one end of the fire extinguishing agent conveying pipe 5 is communicated with a gas fire extinguishing agent inlet pipe 9 on the diffusion distributor 3 and is locked through a locker, and the end part of the other end is a flange and is communicated with a gas collecting pipe flange of the fire extinguishing agent bottle group 7 through the flange.
The control valve 6 is a stainless steel butterfly valve.
The fire extinguishing agent bottle group 7 is a plurality of gas collecting bottles with brass bottle head valves at the upper end openings, the inside and the outside of the gas collecting bottles are subjected to antiseptic treatment, two different fire extinguishing agents are respectively filled in the gas collecting bottles, the gas collecting bottles are pressurized to the pressure of more than 2.5MPa, the bottle head valves at the upper ends are communicated with the gas collecting pipes above the gas collecting bottles through soft metal pipelines, and the spraying of the fire extinguishing agents is controlled through the bottle head valves.
The fire extinguishing agent is a mixed gas type fire extinguishing agent, consists of more than two kinds of gas fire extinguishing agents, and can be a mixture of heptafluoropropane and trifluoromethane or a mixture of heptafluoropropane and nitrogen.
The gas collecting pipe is made of steel pipes, one end of the gas collecting pipe is closed by a blank plate made of a steel plate, the other end of the gas collecting pipe is an opening, and a stainless steel flange is arranged at the end part of the opening.
The locking device is a metal locking device so as to prevent the connecting port from being released when the fire extinguishing agent is sprayed.
When the vertical pipeline 1 with the water-encountering chemical reaction and easily causing explosive combustible gas is in fire, the diffusion distributor 3 is downwards sleeved near the outlet of the combustion pipeline 1 from the upper port of the vertical pipeline 1 by manually holding the holding screw 8, and the circular holding adjusting bracelet on the holding screw 8 is rotated to advance the holding pipe clamp on the holding screw 8 in the direction close to the combustion pipeline 1 until the holding pipe clamp is clamped and fixed, so that the diffusion distributor 3 is positioned right above the outlet of the vertical pipeline 1, the main fire extinguishing nozzle 11 is vertically downward, and the outlet of the main fire extinguishing nozzle 11 is 200-300 mm away from the outlet of the vertical pipeline 1.
Starting a mechanical emergency starting button of a bottle head valve at the upper end of each steel bottle on a fire extinguishing agent bottle group 7, enabling the fire extinguishing agent bottle group 7 to release a fire extinguishing agent and mix the fire extinguishing agent in an upper gas collecting pipe, opening a control valve 6, enabling the mixed gas fire extinguishing agent with pressure after mixing to flow into a gas fire extinguishing agent inlet pipe 9 through a fire extinguishing agent conveying pipe 5 and flow into a diffusion distributor 3, then uniformly flow into a main fire extinguishing nozzle 11 and an auxiliary fire extinguishing nozzle 10 and spray out from the opening end of the main fire extinguishing nozzle at a high speed, enabling the mixed gas fire extinguishing agent sprayed out of a main fire extinguishing nozzle 11 right below the bottom of the diffusion distributor 3 to spray burning combustible gas to a vertical pipeline 1 to directly impact, and enabling four auxiliary fire extinguishing nozzles 10 at the bottom of the diffusion distributor 3 around the main fire extinguishing nozzle 11 to coat the area near the root of the burning flame 2 of the burning combustible gas to be impacted, and enabling the burning flame 2, And the rapid extinguishing is realized under the synergistic effect of chemical inhibition, cooling and impact. After the combustion flame 2 is extinguished, the control valve 6 is closed, the auxiliary fire extinguishing nozzle 10 and the main fire extinguishing nozzle 11 stop spraying the fire extinguishing agent gradually, and the valve below the vertical pipeline 1 is closed to maintain the vertical pipeline 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a vertical pipe gas efflux fire's hand-held type mist extinguishing device which characterized in that: a mixed gas fire extinguishing device is sleeved below the outlet of the vertical pipeline;
the mixed gas fire extinguishing device comprises a fire extinguishing device and a fixing device, the fixing device integrally fixes the mixed gas fire extinguishing device on the side wall of the vertical pipeline and fixes the mixed gas fire extinguishing device, and the fire extinguishing agent required by the mixed gas fire extinguishing device for fire extinguishing is supplied by a fire extinguishing agent bottle group and is conveyed to the mixed gas fire extinguishing device by a fire extinguishing agent conveying pipe communicated with the fire extinguishing agent bottle group.
2. A hand-held mixed gas fire extinguishing unit for vertical duct gas jets of fire as claimed in claim 1, wherein: the mixed gas fire extinguishing device consists of a diffusion distributor, a main fire extinguishing nozzle and an auxiliary fire extinguishing nozzle, wherein the diffusion distributor is a closed container, the central part of the bottom of the diffusion distributor is provided with the main fire extinguishing nozzle with an opening facing downwards vertically, the auxiliary fire extinguishing nozzle is uniformly arranged in the circumferential direction of the bottom of the ellipsoid, and the right outer side of the diffusion distributor is provided with a gas fire extinguishing agent inlet pipe.
3. A hand-held mixed gas fire extinguishing unit for vertical duct gas jets of fire as claimed in claim 2, wherein: the auxiliary fire extinguishing nozzles are 4 stainless steel gas fire extinguishing agent nozzles, the spraying angles are 120-135 degrees, the openings face the outer lower side, and the opening direction and the vertical direction form an angle of 15-30 degrees.
4. A hand-held mixed gas fire extinguishing unit for vertical duct gas jets of fire as claimed in claim 2, wherein: the main fire extinguishing nozzle is a stainless steel gas fire extinguishing agent nozzle, and the spraying angle is 90-120 degrees.
5. A hand-held mixed gas fire extinguishing unit for vertical duct gas jets of fire as claimed in claim 2, wherein: the gaseous fire extinguishing agent inlet tube be made by steel pipe processing, the integral type setting upwards 45 directions in diffusion distributor right side outside, upper right end opening upwards 45 directions and be equipped with a locker at the port integral type towards the outside, left lower extreme and diffusion distributor intercommunication.
6. A hand-held mixed gas fire extinguishing unit for vertical duct gas jets of fire as claimed in claim 1, wherein: fixing device constitute by otic placode and regulation pole, the otic placode altogether 2, be down "L" shape, the tip fixed connection of horizontal segment just is symmetrical arrangement in the diffusion distributor centre position circumference outside, is close to the middle part of vertical section lower extreme and is equipped with a circular screw through-hole, the interior level of circular screw through-hole sets up the clamping screw that shakes hands that has the external screw thread, clamping screw one end of shaking hands is passed through bulb articulate fixed pipe clamp, the other end integral type is equipped with one and adjusts the bracelet.
7. A hand-held mixed gas fire extinguishing unit for vertical duct gas jets of fire as claimed in claim 1, wherein: the fire extinguishing agent conveying pipe is a metal hose, a control valve is arranged on the fire extinguishing agent conveying pipe, one end of the fire extinguishing agent conveying pipe is communicated with a gas fire extinguishing agent inlet pipe on the diffusion distributor and locked through a locker, and the end part of the other end of the fire extinguishing agent conveying pipe is provided with a flange and is communicated with a gas collecting pipe flange of the fire extinguishing agent bottle group through the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346954.7A CN110975201B (en) | 2019-12-24 | 2019-12-24 | Handheld mixed gas fire extinguishing device for vertical pipeline gas jet fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346954.7A CN110975201B (en) | 2019-12-24 | 2019-12-24 | Handheld mixed gas fire extinguishing device for vertical pipeline gas jet fire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110975201A true CN110975201A (en) | 2020-04-10 |
| CN110975201B CN110975201B (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911346954.7A Expired - Fee Related CN110975201B (en) | 2019-12-24 | 2019-12-24 | Handheld mixed gas fire extinguishing device for vertical pipeline gas jet fire |
Country Status (1)
| Country | Link |
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| CN (1) | CN110975201B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346327A (en) * | 2020-03-09 | 2020-06-30 | 安徽建筑大学 | Gas fire extinguishing device for horizontal pipeline gas jet fire |
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-
2019
- 2019-12-24 CN CN201911346954.7A patent/CN110975201B/en not_active Expired - Fee Related
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346327A (en) * | 2020-03-09 | 2020-06-30 | 安徽建筑大学 | Gas fire extinguishing device for horizontal pipeline gas jet fire |
| CN111346327B (en) * | 2020-03-09 | 2021-12-21 | 安徽建筑大学 | Gas fire extinguishing device for horizontal pipeline gas jet fire |
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| Publication number | Publication date |
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| CN110975201B (en) | 2021-12-24 |
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Granted publication date: 20211224 |