CN111053990A - Handheld dry powder extinguishing device for vertical pipeline gas jet fire - Google Patents
Handheld dry powder extinguishing device for vertical pipeline gas jet fire Download PDFInfo
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- CN111053990A CN111053990A CN201911347005.0A CN201911347005A CN111053990A CN 111053990 A CN111053990 A CN 111053990A CN 201911347005 A CN201911347005 A CN 201911347005A CN 111053990 A CN111053990 A CN 111053990A
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- 239000000843 powder Substances 0.000 title claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 118
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 25
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000033228 biological regulation Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000005764 inhibitory process Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/66—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
-
- 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
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- 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 dry powder fire extinguishing device for vertical pipeline gas jet fire, which comprises: the fire extinguishing device is sleeved and fixed above the jet flow flame of the vertical pipeline by a fixing device, the fire extinguishing nozzle on the fire extinguishing device is used for spraying the fire extinguishing agent to the area near the root part of the burning flame, and the burning flame is quickly extinguished by the high-efficiency chemical inhibition effect of the dry powder fire extinguishing agent on the fire. The handheld dry powder fire extinguishing device for the vertical pipeline gas jet fire can be used for quickly and effectively extinguishing the vertical pipeline gas jet fire all weather, avoids the defect that the fire extinguishing agent is easily blown away to extinguish the fire in the existing vertical pipeline gas jet fire extinguishing process in strong wind or stormy weather, and has the characteristics of small size, light weight, simple structure and convenience in operation and use.
Description
The technical field is as follows:
the invention relates to a handheld dry powder fire extinguishing device for vertical pipeline gas jet fire, and belongs to the technical field of fire fighting and safety.
Background art:
the petrochemical industry pipeline stands, and the vertical pipeline of inflammable and explosive gas often takes place conflagration. These jet combustion pipes, which according to the operating regulations must be shut after extinguishing the fire, can cause even greater disastrous accidents and even explosions due to backfiring inside the pipes. The vertical jet flow pipelines have large combustion fire, high air flow jet speed and large impact force, are difficult to extinguish fire in a traditional mode, especially are difficult to provide closed fire extinguishing space conditions required for fire extinguishment outdoors in strong wind or storm weather, and often cannot meet the technical requirements required for fire extinguishment due to the fact that a large amount of sprayed fire extinguishing agent is blown away due to overlarge wind power when mixed gas or fine water mist is adopted for fire extinguishment, so that the fire extinguishing effect is poor, even the due fire extinguishing effect is difficult to achieve, and the fire can not be controlled or extinguished. Therefore, the existing fire extinguishing device for vertical pipe high-speed gas jet fire has to be modified.
Disclosure of Invention
In order to overcome the defects that the existing fire extinguishing device for the vertical pipeline high-speed gas jet combustion fire easily causes that a large amount of fire extinguishing agent is blown away and cannot extinguish fire in strong wind or storm weather, the invention aims to provide the handheld dry powder fire extinguishing device for the vertical pipeline gas jet fire, which can meet the technical requirement that the fire extinguishing agent can not be blown away in a large amount and the high-speed gas jet fire of the vertical pipeline can be quickly and effectively extinguished in the strong wind or storm weather so as to reduce the economic loss caused by the fire.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a handheld dry powder fire extinguishing device for vertical pipeline gas jet fire: a fire extinguishing device and a fire extinguishing agent conveying device connected with the fire extinguishing device are sleeved above the combustion flame at the gas outlet of the vertical pipeline;
extinguishing device by fixing device monolithic stationary in the vertical pipe outside, extinguishing agent conveyor include extinguishing agent distributor and extinguishing agent conveyer pipe, extinguishing agent distributor upper and lower both ends face seal, the upper end closed surface be planar horizontal closed surface and be equipped with the distributor inlet tube of a intercommunication at the outside perpendicular ascending direction integral type of central point, and the upper end integral type of distributor inlet tube is equipped with a locking adapter, the lower extreme closed surface is equipped with extinguishing device, extinguishing agent conveyer pipe one end is connected at the distributor inlet tube to by locking adapter locking, the other end is connected the extinguishing agent storage tank and is supplied with the required extinguishing agent of putting out a fire.
The further technology of the invention is as follows:
preferably, the closed surface at the lower end of the fire extinguishing agent distributor comprises two parts, namely a plane horizontal closed surface at the outer side and a hemispherical closed surface at the inner side, the plane horizontal closed surface at the outer side is uniformly provided with threaded through holes along the circumferential direction of the central part, the fire extinguishing device comprises a central fire extinguishing nozzle and a peripheral fire extinguishing nozzle, and the threaded through holes are provided with the peripheral fire extinguishing nozzle; the top of the hemispherical closed surface at the inner side is provided with a vertical thread through hole, and a central fire extinguishing nozzle with a downward vertical opening is screwed into the thread through hole.
Preferably, fixing device constitute by fixed otic placode and fixed regulation pole, fixed otic placode altogether 2, be down "L" shape and horizontal segment and vertical section and be circular-arc connection, the tip fixed connection of horizontal segment just is symmetrical arrangement in the fire extinguishing agent distributor middle part circumference outside and in fire extinguishing agent distributor both sides, is equipped with a circular screw through-hole near the middle part of vertical section lower extreme, the level sets up the fixed regulation pole that has the external screw thread in the circular screw through-hole, fixed pipe clamp is passed through to fixed regulation pole one end bulb articulate, other end integral type is equipped with one and adjusts the bracelet.
Preferably, the central fire extinguishing nozzle is a stainless steel fire extinguishing nozzle, the spraying angle of the outlet is 90-120 degrees, the inlet end is integrally provided with a coaxial inlet short pipe with external threads, the opening is vertically arranged downwards at the center of the top end of the lower end hemispherical closed surface of the fire extinguishing agent distributor, and the upper end of the inlet short pipe is communicated with the inside of the fire extinguishing agent distributor.
Preferably, the peripheral fire extinguishing nozzles are six stainless steel fire extinguishing nozzles, the spraying angles of outlets are 120-135 degrees, the inlet ends are integrally provided with coaxial inlet short pipes with external threads, the inlet short pipes are uniformly distributed along the circumferential direction of the central part of the horizontal closed surface at the lower end of the fire extinguishing agent distributor, and the openings are inclined downwards and are deviated to the inner side of the symmetric central line of the fire extinguishing agent distributor and form an angle of 15-25 degrees with the vertical direction.
Preferably, the conveying device further comprises a pressurizing spray pipe, a fire extinguishing agent suction pipe, a suction gas cylinder group and a fire extinguishing agent external connecting pipe;
the two ends of the fire extinguishing agent conveying pipe are integrally provided with locking connectors, and one end of the fire extinguishing agent conveying pipe is communicated with the upper port of the distributor inlet pipe and is locked by the locking connectors; the other end of the pressure-increasing nozzle is communicated with an outlet of the pressure-increasing nozzle and is locked by a locking adapter;
the upper outer side of the middle part of the throat part of the pressurizing spray pipe is integrally provided with a vertically upward suction gas inlet pipe, the outer end part of the pressurizing spray pipe is communicated with a fire extinguishing agent suction gas pipe and locked by a locking adapter, the horizontal inlet end on the right side is communicated with a fire extinguishing agent external connecting pipe and locked by the locking adapter, and the outlet of the pressurizing spray pipe is communicated with a fire extinguishing agent conveying pipe and locked by the locking adapter;
the two ends of the fire extinguishing agent suction gas pipe are integrally provided with locking connectors, one end of each locking connector is communicated with the left end of a control valve on a gas collecting pipe of the suction gas cylinder group, and the other end of each locking connector is communicated with a suction gas inlet pipe of the pressurizing spray pipe and is locked by the locking connectors;
and the two ends of the fire extinguishing agent external connecting pipe are integrally provided with locking connectors, one end of each locking connector is communicated with the inlet of the pressurizing spray pipe, and the other end of each locking connector is communicated with the outlet of the bottle head valve at the upper end of the fire extinguishing agent storage tank and locked by the locking connectors.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention relates to a handheld dry powder fire extinguishing device for vertical pipeline gas jet fire, which overcomes the defect that the fire extinguishing agent is easy to blow away and cannot realize the fire extinguishing purpose in the heavy wind or storm weather by adopting mixed gas or water mist fire extinguishing agent, and can be used for quickly extinguishing the vertical pipeline gas combustion fire all the day.
(2) The handheld dry powder fire extinguishing device for the vertical pipeline gas jet fire can ensure that the gas vertical pipeline burning fire can be quickly and effectively extinguished in an all-weather manner, and a large amount of fire extinguishing agent can be saved in the fire extinguishing process.
(3) The handheld dry powder 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 has the characteristics of small volume, economy, applicability and convenient installation, modification 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 showing the installation of the fire extinguishing nozzle on the fire extinguishing cover according to the present invention;
FIG. 3 is a cross-sectional view of a fire suppression cover of the present invention;
reference numbers in the figures: 1-a vertical pipe; 2-combustion flame; 3-fixing the ear plate; 4-fixing the adjusting rod; 5-fire extinguishing agent distributor; 6-fire extinguishing agent conveying pipe; 7-a pressurized nozzle; 8-fire extinguishing agent suction pipe; 9-suction gas cylinder group; 10-fire extinguishing agent external connecting pipe; 11-a fire extinguishing agent storage tank; 12-peripheral extinguishing nozzles; 13-a locking adapter; 14-a distributor inlet pipe; 15-central extinguishing nozzle; 16-fixing the pipe clamp; 17-adjusting the 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 dry powder fire extinguisher with vertical duct gas jet fire: a fire extinguishing device and a fire extinguishing agent conveying device connected with the fire extinguishing device are sleeved above the gas outlet burning flame of the vertical pipeline 1;
extinguishing device by fixing device monolithic stationary in the 1 outside of vertical pipe, extinguishing agent conveyor include extinguishing agent distributor 5 and extinguishing agent conveyer pipe 6, extinguishing agent distributor 5 upper and lower both ends face seal, the upper end closed surface be planar horizontal closed surface and be equipped with the distributor inlet tube 14 of a intercommunication at the perpendicular ascending direction integral type in central point outside, and the upper end integral type of distributor inlet tube 14 is equipped with a locking adapter 13, the lower extreme closed surface is equipped with extinguishing device, 6 one end connections of extinguishing agent conveyer pipe are at distributor inlet tube 14 to by locking adapter locking, the other end is connected extinguishing agent storage tank 11 and is supplied with the required extinguishing agent of putting out a fire.
The closed surface at the lower end of the fire extinguishing agent distributor 5 comprises two parts, namely an outer plane horizontal closed surface and an inner hemispherical closed surface, the outer plane horizontal closed surface is circumferentially closed along the inside, the circumferential width of the outer plane horizontal closed surface is 1/4 of the inner radius, threaded through holes are uniformly arranged along the circumferential direction of the central part, the fire extinguishing device comprises a central fire extinguishing nozzle 15 and peripheral fire extinguishing nozzles 12, and the threaded through holes are provided with the peripheral fire extinguishing nozzles 12; the inner side of the semi-spherical closed surface is closed inwards and vertically upwards, the radius of the semi-spherical closed surface is 3/4 with the inner radius, the top of the semi-spherical closed surface is provided with a vertical thread through hole, and a central fire extinguishing nozzle 15 with a vertically downward opening is screwed into the thread through hole.
Fixing device constitute by fixed otic placode 3 and fixed adjusting rod 4, fixed otic placode 3 be 2 altogether, be down "L" shape and horizontal segment and vertical section and be circular-arc connection, the tip fixed connection of horizontal segment just is symmetrical arrangement in 5 middle part circumference outsides of fire extinguishing agent distributor 5 both sides, is equipped with a circular screw through-hole near the middle part of vertical section lower extreme, the level sets up the fixed adjusting rod 4 that has the external screw thread in the circular screw through-hole, 4 one ends of fixed adjusting rod are passed through bulb articulate fixed pipe clamp 16, the other end integral type is equipped with one and adjusts bracelet 17.
The fixed pipe clamp 16 is arc-shaped and is made of steel pipes, and the arc angle is 90-120 degrees.
The adjusting bracelet 17 is a closed ring made of thin round steel.
The central fire extinguishing nozzle 15 is a stainless steel fire extinguishing nozzle, the outlet spray angle is 90-120 degrees, the inlet end is integrally provided with an inlet short pipe which has the diameter of 32-40 mm and is provided with external threads and is coaxial, the opening is vertically arranged downwards at the center of the top end of the lower end hemispherical closed surface of the fire extinguishing agent distributor 5, and the upper end of the inlet short pipe is communicated with the inside of the fire extinguishing agent distributor 5.
The peripheral fire extinguishing nozzles 12 are six stainless steel fire extinguishing nozzles, the outlet injection angle is 120-135 degrees, the inlet end is integrally provided with an inlet short pipe which is 25-32 mm in diameter, is provided with an external thread and is coaxial, the inlet short pipe is uniformly arranged along the circumferential direction of the central part of the horizontal closed surface at the lower end of the fire extinguishing agent distributor 5, and the opening is inclined downwards and is deviated to the inner side of the symmetrical central line of the fire extinguishing agent distributor 5 and forms an angle of 15-25 degrees with the vertical direction.
The conveying device also comprises a pressurizing spray pipe 7, a fire extinguishing agent suction gas pipe 8, a suction gas cylinder group 9 and a fire extinguishing agent external connecting pipe 10;
the fire extinguishing agent conveying pipe 6 is a metal hose, two ends of the fire extinguishing agent conveying pipe are integrally provided with locking connectors, and one end of the fire extinguishing agent conveying pipe is communicated with the upper port of the distributor inlet pipe 14 and is locked by the locking connectors; the other end is communicated with the outlet of the pressurizing nozzle 7 and is locked by a locking adapter;
the pressurizing spray pipe 7 is a Laval spray pipe, a vertical upward suction gas inlet pipe is integrally arranged on the upper outer side of the middle part of the throat part, the outer end part of the pressurizing spray pipe is communicated with a fire extinguishing agent suction gas pipe 8 and locked by a locking connector, the horizontal inlet end on the right side is communicated with a fire extinguishing agent external connecting pipe 10 and locked by the locking connector, and the outlet of the pressurizing spray pipe is communicated with a fire extinguishing agent conveying pipe 6 and locked by the locking connector;
the fire extinguishing agent suction pipe 8 is a pressure-resistant metal hose, two ends of the fire extinguishing agent suction pipe are integrally provided with locking connectors, one end of the fire extinguishing agent suction pipe is communicated with the left end of a control valve on a gas collecting pipe of the suction gas cylinder group 9, and the other end of the fire extinguishing agent suction pipe is communicated with a suction gas inlet pipe of the pressurizing spray pipe 7 and is locked by the locking connectors;
the fire extinguishing agent external connecting pipe 10 is a pressure-resistant metal hose, locking connectors are integrally arranged at two ends of the fire extinguishing agent external connecting pipe, one end of the fire extinguishing agent external connecting pipe is communicated with an inlet of the pressurizing spray pipe 7, and the other end of the fire extinguishing agent external connecting pipe is communicated with an outlet of a bottle head valve at the upper end of the fire extinguishing agent storage tank 11 and is locked by the locking connectors.
The suction gas cylinder group 9 is a gas storage type steel cylinder group with a manual control mode cylinder head valve, high-pressure nitrogen is stored in the suction gas cylinder group, a gas collecting pipe is arranged at the upper part of the cylinder head valve, and the cylinder head valve is communicated with the gas collecting pipe through a pressure-resistant metal hose.
The gas collecting pipe is made of a steel pipe with the diameter of 100-150 mm through machining, the right end of the gas collecting pipe is sealed by a steel blank plate, the left end of the gas collecting pipe is provided with a control valve, and the outer side of the upper portion of the gas collecting pipe is vertically and upwards provided with a communicated pressure gauge and a safety valve.
The fire extinguishing agent storage tank 11 is a high-pressure resistant steel pressure storage type fire extinguishing agent tank body with a bottle head valve with a manual control mode and an electric control mode, and the interior and the exterior of the tank body are subjected to antiseptic treatment, the interior of the tank body is filled with dry powder fire extinguishing agent, and the tank body is subjected to gas storage and pressurization.
The distributor inlet pipe 14 is made of metal pipe, the lower end of the distributor inlet pipe is vertically communicated with the upper end of the fire extinguishing agent distributor 5, and the upper end opening is integrally provided with a locking connector.
The locking adapter is a metal locking adapter so as to prevent the connecting pipeline port from tripping when pressurized.
When the vertical pipeline 1 with combustible gas is in a fire and needs to be put out a fire, the adjusting bracelet on the fixing and adjusting rod 4 is manually held to enable the fire extinguishing agent distributor 5 to be kept vertical to the vertical pipeline 1, and then the adjusting bracelet is rotated to enable the fixing pipe clamp to advance towards the direction close to the combustion pipeline 1 until the fixing pipe clamp is clamped on the outer side of the vertical pipeline 1 and fixed.
Opening bottle head valves on a suction gas bottle group 9 and a fire extinguishing agent storage tank 11, enabling high-pressure nitrogen for sucking the fire extinguishing agent to flow out of the suction gas bottle group 9 and enter an upper gas collecting pipe, opening a control valve on the gas collecting pipe, enabling high-pressure N2 to flow into a booster spray pipe 7 through a fire extinguishing agent suction pipe 8, enabling the high-pressure N2 to flow out of the booster spray pipe 7 at a high speed and enter a fire extinguishing agent conveying pipe 6, forming a high-vacuum degree in the booster spray pipe 7 for sucking the dry powder fire extinguishing agent in the fire extinguishing agent storage tank 11, enabling the dry powder fire extinguishing agent to flow out of the fire extinguishing agent storage tank 11, enter the booster spray pipe 7 through a fire extinguishing agent external connecting pipe 10, mixing the dry powder fire extinguishing agent with the high-pressure nitrogen, enabling the mixture to be sprayed out of the booster spray pipe 7 at a high speed after being pressurized, enabling the dry powder fire extinguishing agent to flow into a fire extinguishing agent distributor 5 through, the dry powder extinguishing agent sprayed out of the central extinguishing nozzle 15 is rapidly pressed to fire and simultaneously sprayed to the root of the combustion flame 2, the dry powder extinguishing agent sprayed out of the six peripheral extinguishing nozzles 12 completely covers the area near the root of the combustion flame 2 at the outlet of the vertical pipeline 1, and a large amount of extinguishing agent enters the inside of the area near the root of the combustion flame 2 through the high-speed impact and diffusion of the extinguishing agent and the entrainment of the combustion flame 2, so that the designed extinguishing concentration is reached in the area near the root of the combustion flame 2 quickly to rapidly extinguish the combustion flame 2. As the sprayed powdery solid particles of the dry powder extinguishing agent have enough momentum, even if a large amount of extinguishing agent is prevented from being blown away in strong wind or storm weather, the technical requirement that the sprayed dry powder extinguishing agent can quickly reach the designed extinguishing concentration in the area near the root of the burning flame 2 so as to extinguish the gas jet fire of the vertical pipeline 1 can be fully ensured.
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 (6)
1. The utility model provides a vertical pipe gas jet fire's hand-held type dry powder extinguishing device which characterized in that: a fire extinguishing device and a fire extinguishing agent conveying device connected with the fire extinguishing device are sleeved above the combustion flame at the gas outlet of the vertical pipeline;
extinguishing device by fixing device monolithic stationary in the vertical pipe outside, extinguishing agent conveyor include extinguishing agent distributor and extinguishing agent conveyer pipe, extinguishing agent distributor upper and lower both ends face seal, the upper end closed surface be planar horizontal closed surface and be equipped with the distributor inlet tube of a intercommunication at the outside perpendicular ascending direction integral type of central point, and the upper end integral type of distributor inlet tube is equipped with a locking adapter, the lower extreme closed surface is equipped with extinguishing device, extinguishing agent conveyer pipe one end is connected at the distributor inlet tube to by locking adapter locking, the other end is connected the extinguishing agent storage tank and is supplied with the required extinguishing agent of putting out a fire.
2. A hand-held dry powder fire extinguishing unit for vertical duct gas-jet fires as claimed in claim 1, wherein: the fire extinguishing device comprises a central fire extinguishing nozzle and a peripheral fire extinguishing nozzle, and the threaded through hole is provided with the peripheral fire extinguishing nozzle; the top of the hemispherical closed surface at the inner side is provided with a vertical thread through hole, and a central fire extinguishing nozzle with a downward vertical opening is screwed into the thread through hole.
3. A hand-held dry powder fire extinguishing unit for vertical duct gas-jet fires as claimed in claim 1, wherein: fixing device constitute by fixed otic placode and fixed regulation pole, fixed otic placode altogether 2, be down "L" shape and horizontal segment and vertical section and be circular-arc connection, the tip fixed connection of horizontal segment is in the fire extinguishing agent distributor middle part circumference outside and be symmetrical arrangement in fire extinguishing agent distributor both sides, is close to the middle part of vertical section lower extreme and is equipped with a circular screw through-hole, the level sets up the fixed regulation pole that has the external screw thread in the circular screw through-hole, fixed pipe clamp is connected through bulb articulate to fixed regulation pole one end, the other end integral type is equipped with one and adjusts the bracelet.
4. A hand-held dry powder fire extinguishing unit for vertical duct gas-jet fires as claimed in claim 2, wherein: the central fire extinguishing nozzle is a stainless steel fire extinguishing nozzle, the spraying angle of an outlet is 90-120 degrees, an inlet short pipe which is provided with external threads and is coaxial is integrally arranged at the inlet end, an opening is vertically arranged downwards at the center of the top end of the lower end hemispherical closed surface of the fire extinguishing agent distributor, and the upper end of the inlet short pipe is communicated with the inside of the fire extinguishing agent distributor.
5. A hand-held dry powder fire extinguishing unit for vertical duct gas-jet fires as claimed in claim 2, wherein: the peripheral fire extinguishing nozzles are six stainless steel fire extinguishing nozzles, the spraying angle of the outlet is 120-135 degrees, the inlet end is integrally provided with a coaxial inlet short pipe with external threads, the inlet short pipes are uniformly distributed along the circumferential direction of the central part of the horizontal closed surface at the lower end of the fire extinguishing agent distributor, and the opening is inclined downwards, is deviated to the inner side of the symmetric central line of the fire extinguishing agent distributor and forms an angle of 15-25 degrees with the vertical direction.
6. A hand-held dry powder fire extinguishing unit for vertical duct gas-jet fires as claimed in claim 1, wherein: the conveying device also comprises a pressurizing spray pipe, a fire extinguishing agent suction pipe, a suction gas cylinder group and a fire extinguishing agent external connecting pipe;
the two ends of the fire extinguishing agent conveying pipe are integrally provided with locking connectors, and one end of the fire extinguishing agent conveying pipe is communicated with the upper port of the distributor inlet pipe and is locked by the locking connectors; the other end of the pressure-increasing nozzle is communicated with an outlet of the pressure-increasing nozzle and is locked by a locking adapter;
the upper outer side of the middle part of the throat part of the pressurizing spray pipe is integrally provided with a vertically upward suction gas inlet pipe, the outer end part of the pressurizing spray pipe is communicated with a fire extinguishing agent suction gas pipe and locked by a locking adapter, the horizontal inlet end on the right side is communicated with a fire extinguishing agent external connecting pipe and locked by the locking adapter, and the outlet of the pressurizing spray pipe is communicated with a fire extinguishing agent conveying pipe and locked by the locking adapter;
the two ends of the fire extinguishing agent suction gas pipe are integrally provided with locking connectors, one end of each locking connector is communicated with the left end of a control valve on a gas collecting pipe of the suction gas cylinder group, and the other end of each locking connector is communicated with a suction gas inlet pipe of the pressurizing spray pipe and is locked by the locking connectors;
and the two ends of the fire extinguishing agent external connecting pipe are integrally provided with locking connectors, one end of each locking connector is communicated with the inlet of the pressurizing spray pipe, and the other end of each locking connector is communicated with the outlet of the bottle head valve at the upper end of the fire extinguishing agent storage tank and locked by the locking connectors.
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CN201911347005.0A CN111053990B (en) | 2019-12-24 | 2019-12-24 | Handheld dry powder extinguishing device for vertical pipeline gas jet fire |
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CN201911347005.0A CN111053990B (en) | 2019-12-24 | 2019-12-24 | Handheld dry powder extinguishing device for vertical pipeline gas jet fire |
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CN111053990B CN111053990B (en) | 2021-12-21 |
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CN207591140U (en) * | 2017-10-18 | 2018-07-10 | 江西剑安消防科技有限责任公司 | A kind of gas extinguishing system for being used to monitor pipeline |
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