CN110898360A - Fill portable fire-extinguishing bottle injection structure of 2-BTP fire extinguishing agent - Google Patents
Fill portable fire-extinguishing bottle injection structure of 2-BTP fire extinguishing agent Download PDFInfo
- Publication number
- CN110898360A CN110898360A CN201911078876.7A CN201911078876A CN110898360A CN 110898360 A CN110898360 A CN 110898360A CN 201911078876 A CN201911078876 A CN 201911078876A CN 110898360 A CN110898360 A CN 110898360A
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- fire
- valve seat
- btp
- handle
- extinguishing
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- 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
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention belongs to the technical field of aviation fire prevention and extinguishment, and relates to a portable fire-extinguishing bottle injection structure filled with a 2-BTP fire-extinguishing agent; comprises a handle part (1), a valve seat (2), a pressure lever part (3), a siphon (4) and a jet nozzle (5); the invention can meet the requirement of the spraying performance of the portable fire-extinguishing bottle by improving the parameters of the jet nozzle and optimizing the spraying structure, is used for replacing a Halon 1211 portable fire-extinguishing bottle on a machine, and the fire-extinguishing bottle filled with 1.6 kg-1.8 kg of 2-BTP fire-extinguishing agent and 0.6 MPa-1.2 MPa of nitrogen gas at normal temperature has the spraying time of not less than 8s and the spraying distance of not less than 3 m; can be measured by UL 5B: a C-class oil pan fire test and a concealed fire test and a seat fire test as specified by the Federal Aviation Administration (FAA) of the United states.
Description
Technical Field
The invention belongs to the technical field of aviation fire prevention and extinguishment, and relates to a portable fire-extinguishing bottle injection structure filled with a 2-BTP fire-extinguishing agent.
Background
The Halon fire extinguishing agent is gradually eliminated by the market due to the damage of the Halon fire extinguishing agent to the ozone layer. At present, portable fire extinguishing bottles filled with 2-BTP environment-friendly fire extinguishing agents are being developed in the field of aviation. 2-BTP (2-bromo-3, 3, 3-trifluoropropene, formula CF)3CBr＝CH2) For stinkThe oxygen layer is not damaged, the greenhouse effect is not generated, and the environment is friendly. However, compared with halon 1211, 2-BTP has a higher boiling point, is liquid at normal temperature, has a poor atomization effect, and cannot achieve the same fire extinguishing capacity due to an original injection structure. Through improving jet nozzle, optimize the injection structure, further improve the injection effect of fire bottle, reach the fire extinguishing ability the same with halong 1211 fire bottle, be applied to aviation fire prevention field.
Disclosure of Invention
The invention provides an aviation portable fire-extinguishing bottle spraying structure for filling 2-BTP fire-extinguishing agent aiming at the design requirement of a 2-BTP portable fire-extinguishing bottle, can meet the requirement of the spraying performance of the portable fire-extinguishing bottle by improving the parameters of a jet nozzle and optimizing the spraying structure, and is used for replacing a Halon 1211 portable fire-extinguishing bottle on a machine.
The invention is realized by the following technical scheme:
a portable fire-extinguishing bottle injection structure filled with 2-BTP fire-extinguishing agent is characterized by comprising a handle part 1, a valve seat 2, a pressure lever part 3, a siphon 4 and a jet nozzle 5; the handle component 1 comprises a handle 6 and a pressing handle 7, one end of the valve seat 2 is fixedly connected with the handle 6, the other end of the valve seat is fixedly connected with the pressing handle 7, the jet nozzle 5 is fixedly arranged on the valve seat 2, the pressing rod component 3 is arranged in an inner cavity of the valve seat 2, and the siphon 4 is arranged at the bottom end of the valve seat 2; the jet nozzle 5 is a conical nozzle, the internal structure of the jet nozzle is composed of two conical section inner cavities, the diameter d1 of the inlet end of the first conical section is 2.5 mm-5 mm, the diameter d2 of the outlet end of the first conical section is 4 mm-5.5 mm, and the length of the first conical section is 3 mm-6 mm; the diameter d2 of the inlet end of the second conical section is the diameter of the outlet end of the first conical section, the diameter d3 of the outlet end is 13 mm-16 mm, and the length is 16 mm-22 mm.
The pressure lever component 3 comprises a pressure lever 10, a gasket 11, a sealing ring c12, a sealing ring d13 and a spring 14, the upper end of the pressure lever 10 is sealed with the valve seat 2 through radial deformation of the sealing ring c12, the lower end of the pressure lever 10 is sealed with the valve seat 2 through compression deformation of the sealing ring d13, and the sealing ring d13 is compressed and deformed under the combined action of the internal pressure of a product and the elastic force of the spring to realize sealing.
The sealing ring c12 is an O-shaped rubber ring, and the sealing ring d13 is a lip-shaped rubber ring.
The sealing ring d13 and the gasket 11 are sequentially sleeved at the lower end of the pressure lever 10 and are fixed on the pressure lever 10 through the lower end of the pressure lever 10 in a riveting manner.
The surface treatment adopts stainless steel passivation treatment, aluminum alloy anodization treatment and copper alloy nickel plating treatment, and the aluminum alloy is sprayed with paint after the anodization treatment to protect, so that the requirement of the three-proofing environment of the airplane can be met.
The handle component 1 further comprises a rivet a8 and a rivet b9, and the handle 6 and the pressing handle 7 are connected together through the rivet a8 and the rivet b9 and fixed on the mounting hole of the valve seat 2.
The handle part 1 is fully pressed, and the compression bar part 3 can generate a longitudinal stroke of 8mm +/-3 mm.
The valve seat 2 is screwed on the end face of the bottle mouth of the fire extinguishing agent storage container through threaded connection, and the sealing mode is O-shaped rubber ring radial sealing.
The valve seat 2 and the jet flow nozzle 5 are made of aluminum alloy materials, and the handle 6 and the pressing handle 7 are made of flame-retardant nylon plastics.
The non-connection part of the valve seat 2 is partially grooved, so that the material thickness is uniform and consistent, and the local weight is reduced.
The invention has the beneficial effects that: the fire extinguishing bottle filled with 1.6 kg-1.8 kg of 2-BTP fire extinguishing agent and 0.6 MPa-1.2 MPa of nitrogen gas at normal temperature has the spraying time not less than 8s and the spraying distance not less than 3m under the spraying structure; can be measured by UL 5B: a C-class oil pan fire test and a concealed fire test and a seat fire test as specified by the Federal Aviation Administration (FAA) of the United states.
Drawings
FIG. 1 is a schematic view of the spraying structure of the portable fire-extinguishing bottle of the invention
FIG. 2 is a schematic view of the structure of the handle part of the present invention
FIG. 3 is a schematic view of the structure of the compression bar component of the present invention
FIG. 4 is a schematic view of a jet nozzle structure according to the present invention
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, a portable fire-extinguishing bottle spraying structure filled with 2-BTP fire-extinguishing agent comprises a handle part 1, a valve seat 2, a pressure lever part 3, a siphon 4 and a jet nozzle 5; the handle component 1 comprises a handle 6 and a pressing handle 7, one end of the valve seat 2 is fixedly connected with the handle 6, the other end of the valve seat is fixedly connected with the pressing handle 7, the jet nozzle 5 is fixedly arranged on the valve seat 2, the pressing rod component 3 is arranged in an inner cavity of the valve seat 2, and the siphon 4 is arranged at the bottom end of the valve seat 2; as shown in fig. 3, the jet nozzle 5 is a conical nozzle, the internal structure is composed of two conical section inner cavities, the first conical section is a guide section, so that the fire extinguishing agent forms a certain jet flow, the diameter d1 of the inlet end is 2.5 mm-5 mm, the diameter d2 of the outlet end is 4 mm-5.5 mm, and the length is 3 mm-6 mm; the second conical section is a diffusion section, so that the jet extinguishing agent achieves a certain atomization effect, the diameter d2 of the inlet end is the diameter of the outlet end of the first conical section, the diameter d3 of the outlet end is 13 mm-16 mm, and the length is 16 mm-22 mm.
As shown in fig. 2, the pressure lever part 3 includes a pressure lever 10, a gasket 11, a sealing ring c12, a sealing ring d13, and a spring 14, wherein the upper end of the pressure lever 10 is sealed with the valve seat 2 by radial deformation of the sealing ring c12, the lower end of the pressure lever 10 is sealed with the valve seat 2 by compressive deformation of the sealing ring d13, and the sealing ring d13 is compressed and deformed under the combined action of the internal pressure of the product and the spring force to realize sealing.
The sealing ring c12 is an O-shaped rubber ring, and the sealing ring d13 is a lip-shaped rubber ring.
The sealing ring d13 and the gasket 11 are sequentially sleeved at the lower end of the pressure lever 10 and are fixed on the pressure lever 10 through the lower end of the pressure lever 10 in a riveting manner.
The surface treatment adopts stainless steel passivation treatment, aluminum alloy anodization treatment and copper alloy nickel plating treatment, and the aluminum alloy is sprayed with paint after the anodization treatment to protect, so that the requirement of the three-proofing environment of the airplane can be met.
The handle component 1 further comprises a rivet a8 and a rivet b9, and the handle 6 and the pressing handle 7 are connected together through the rivet a8 and the rivet b9 and fixed on the mounting hole of the valve seat 2.
The handle part 1 is fully pressed, and the compression bar part 3 can generate a longitudinal stroke of 8mm +/-3 mm.
The valve seat 2 is screwed on the end face of the bottle mouth of the fire extinguishing agent storage container through threaded connection, and the sealing mode is O-shaped rubber ring radial sealing.
The valve seat 2 and the jet flow nozzle 5 are made of aluminum alloy materials, and the handle 6 and the pressing handle 7 are made of flame-retardant nylon plastics.
The non-connection part of the valve seat 2 is partially grooved, so that the material thickness is uniform and consistent, and the local weight is reduced.
The operation method of the portable fire extinguishing bottle filled with the 2-BTP environment-friendly fire extinguishing agent comprises the steps that an operator presses the handle part with hands, the handle part pushes the pressing rod part to move downwards, the fire extinguishing agent releasing passage is opened, and the fire extinguishing agent in the fire extinguishing bottle is sprayed to the outside through the nozzle under the action of high-pressure nitrogen to extinguish fire.
The portable fire extinguishing bottle filled with the 2-BTP environment-friendly fire extinguishing agent is screwed on the fire extinguishing bottle through the valve seat threaded connector, the pressing handle is pressed according to the method, the fire extinguishing passage is opened, and the jet fire extinguisher extinguishes fire.
The invention has the beneficial effects that: the fire extinguishing bottle filled with 1.6 kg-1.8 kg of 2-BTP fire extinguishing agent and 0.6 MPa-1.2 MPa of nitrogen gas at normal temperature has the spraying time not less than 8s and the spraying distance not less than 3m under the spraying structure; can be measured by UL 5B: a C-class oil pan fire test and a concealed fire test and a seat fire test as specified by the Federal Aviation Administration (FAA) of the United states.
Claims (10)
1. A portable fire-extinguishing bottle spraying structure filled with 2-BTP fire-extinguishing agent is characterized by comprising a handle part (1), a valve seat (2), a pressure lever part (3), a siphon (4) and a jet nozzle (5); the handle component (1) comprises a handle (6) and a pressing handle (7), one end of the valve seat (2) is fixedly connected with the handle (6), the other end of the valve seat is fixedly connected with the pressing handle (7), the jet nozzle (5) is fixedly arranged on the valve seat (2), the pressure lever component (3) is arranged in an inner cavity of the valve seat (2), and the siphon (4) is arranged at the bottom end of the valve seat (2); the jet nozzle (5) is a conical nozzle, the internal structure of the jet nozzle consists of two conical section inner cavities, the diameter d1 of the inlet end of the first conical section is 2.5 mm-5 mm, the diameter d2 of the outlet end of the first conical section is 4 mm-5.5 mm, and the length of the first conical section is 3 mm-6 mm; the diameter d2 of the inlet end of the second conical section is the diameter of the outlet end of the first conical section, the diameter d3 of the outlet end is 13 mm-16 mm, and the length is 16 mm-22 mm.
2. The portable fire-extinguishing bottle spraying structure filled with 2-BTP fire-extinguishing agent according to claim 1, wherein the pressure lever part (3) comprises a pressure lever (10), a gasket (11), a sealing ring c (12), a sealing ring d (13) and a spring (14), the upper end of the pressure lever (10) is sealed with the valve seat (2) through radial deformation of the sealing ring c (12), the lower end of the pressure lever (10) is sealed with the valve seat (2) through compression deformation of the sealing ring d (13), and the sealing ring d (13) is compressed and deformed under the combined action of the internal pressure of the product and the spring force to realize sealing.
3. A strut member 3 according to claim 2, characterised in that said sealing ring c (12) is an O-ring rubber and the sealing ring d (13) is of lip-type construction.
4. The strut member 3 according to claim 2, wherein the sealing ring d (13) and the gasket (11) are sequentially sleeved on the lower end of the strut (10) and are fixed on the strut (10) by riveting the lower end of the strut (10) in a turned manner.
5. The portable fire-extinguishing bottle injection structure filled with the 2-BTP fire-extinguishing agent according to claim 1, wherein the surface treatment is stainless steel passivation treatment, aluminum alloy anodization treatment and copper alloy nickel plating treatment, and the aluminum alloy anodization treatment is followed by paint spraying protection, so that the requirement of the airplane three-proofing environment can be met;
6. a portable fire bottle injecting structure charged with 2-BTP fire extinguishing agent according to claim 1, wherein said handle member (1) further comprises a rivet a (8) and a rivet b (9), and the handle grip (6) and the pressing knob (7) are connected together by the rivet a (8) and the rivet b (9) and fixed to the mounting hole of the valve seat (2).
7. A portable fire-suppression bottle injecting structure filled with 2-BTP fire-suppression agent according to claim 1, wherein the pressing lever member (3) can generate a longitudinal stroke of 8mm ± 3mm by fully pressing the handle member (1).
8. The portable fire extinguisher bottle injecting structure charged with 2-BTP fire extinguishing agent according to claim 1, wherein said valve seat (2) is screwed on the end face of the mouth of the fire extinguishing agent storage container by means of a screw connection in a manner of radial sealing with an O-ring rubber.
9. The portable fire-extinguishing bottle spraying structure filled with the 2-BTP fire-extinguishing agent is characterized in that the valve seat (2) and the jet nozzle (5) are made of aluminum alloy materials, and the handle (6) and the pressing handle (7) are made of flame-retardant nylon plastics.
10. A portable fire-suppression bottle injecting structure charged with 2-BTP fire-suppression agent according to claim 1, wherein the non-joint portion of said valve seat (2) is partially grooved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911078876.7A CN110898360A (en) | 2019-11-05 | 2019-11-05 | Fill portable fire-extinguishing bottle injection structure of 2-BTP fire extinguishing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911078876.7A CN110898360A (en) | 2019-11-05 | 2019-11-05 | Fill portable fire-extinguishing bottle injection structure of 2-BTP fire extinguishing agent |
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| Publication Number | Publication Date |
|---|---|
| CN110898360A true CN110898360A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911078876.7A Pending CN110898360A (en) | 2019-11-05 | 2019-11-05 | Fill portable fire-extinguishing bottle injection structure of 2-BTP fire extinguishing agent |
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| CN (1) | CN110898360A (en) |
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| CN2661236Y (en) * | 2003-09-18 | 2004-12-08 | 广东杜然贸易有限公司 | Portable hexafluoropropane extinguisher |
| US7611081B2 (en) * | 2006-08-24 | 2009-11-03 | Charles Howse Partee | Adaptor to a fire nozzle that produces a rearward safety spray bubble |
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Application publication date: 20200324 |
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