CN219804182U - Foam fire extinguishing device for deck of helicopter of unmanned offshore platform - Google Patents
Foam fire extinguishing device for deck of helicopter of unmanned offshore platform Download PDFInfo
- Publication number
- CN219804182U CN219804182U CN202320326287.1U CN202320326287U CN219804182U CN 219804182 U CN219804182 U CN 219804182U CN 202320326287 U CN202320326287 U CN 202320326287U CN 219804182 U CN219804182 U CN 219804182U
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- foam
- helicopter
- deck
- platform
- extinguishing device
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- 239000006260 foam Substances 0.000 title claims abstract description 107
- 239000007788 liquid Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000013505 freshwater Substances 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims 3
- 239000007921 spray Substances 0.000 abstract description 22
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000013535 sea water Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011493 spray foam Substances 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a foam fire extinguishing device for a helicopter deck of an offshore unmanned platform, which relates to the technical field of offshore oil engineering and is connected to a platform fire pump, and the foam fire extinguishing device comprises a foam storage tank, a proportional mixer and foam spray heads, wherein the platform fire pump is communicated with the inlet end of the proportional mixer through a pipeline, the inlet end of the proportional mixer is also communicated with the foam storage tank, the outlet of the proportional mixer is communicated with a plurality of foam spray heads through a foam mixed liquid conveying pipeline, and the foam spray heads are embedded in the helicopter deck and have the spray nozzles flush with the surface of the helicopter deck; the device has the characteristics of intelligence, simplicity, no need of personnel operation, low maintenance frequency and the like, and meets the requirements of high automation degree and low maintenance operation frequency of the unmanned platform.
Description
Technical Field
The utility model relates to the technical field of offshore oil engineering, in particular to a deck foam fire extinguishing device of an offshore unmanned platform helicopter.
Background
With the gradual trend of China offshore oil exploitation to the deep water field, the arrangement of a helicopter deck on an unmanned platform far away from land is gradually an industry trend. According to the regulation requirement of the national civil aviation general office and the requirement of related standard, the deck of the helicopter should be provided with corresponding fire-fighting facilities to protect the deck, and the fire-fighting facilities should be ensured to be put into use at any time in the stage of taking off and landing of the helicopter.
The traditional manned platform helicopter deck usually adopts a manual fire monitor to protect the helicopter deck, and in the stage of taking off and landing of the helicopter, a person is dispatched to watch on the fire monitor side, and the fire monitor is started at any time. However, the unmanned platform is unattended, so that the manual fire monitor cannot be used. A common fire control solution for unmanned platform helicopter decks is a remote fire monitor and a foam extinguishing device with a water tank and a high-pressure gas cylinder. The remote control fire monitor equipment is complex in control and is limited by the distance of the supporting platform, and the operation and maintenance frequency is high. The foam fire extinguishing device with the water tank and the high-pressure gas cylinder has the problems of complex equipment, large occupied area, large equipment weight and high operation and maintenance frequency, and does not meet the requirements of simplification and automation of an unmanned platform.
Disclosure of Invention
The utility model aims to provide a device for carrying out foam fire extinguishment on a helicopter deck by utilizing a platform fire pump to provide seawater.
In order to solve the technical problems, the utility model provides a foam fire extinguishing device for a helicopter deck of an offshore unmanned platform, which is connected with a platform fire pump and comprises a foam storage tank, a proportional mixer and foam spray heads, wherein the platform fire pump is communicated with the inlet end of the proportional mixer through a pipeline, the inlet end of the proportional mixer is also communicated with the foam storage tank, the outlet of the proportional mixer is communicated with a plurality of foam spray heads through a foam mixed liquid conveying pipeline, and the foam spray heads are embedded in the helicopter deck and the spray heads are flush with the surface of the helicopter deck.
According to a preferred embodiment of the utility model, the foam fire extinguishing device is electrically connected to a fire control gas system in the platform, and the fire control gas system in the platform can control the opening and closing of a fire pump of the platform.
According to a preferred embodiment of the utility model, the nozzle of the foam nozzle is provided with a nozzle cover which is automatically opened and closed under the action of pressure.
According to a preferred embodiment of the utility model, the plurality of foam sprayers are evenly distributed over the helicopter deck.
According to a preferred embodiment of the utility model, the foam mixed liquor conveying pipeline is further provided with a fresh water flushing port and a water draining port.
According to a preferred embodiment of the utility model, the proportioner is a venturi proportioner.
According to a preferred embodiment of the utility model, a breather valve is also fixedly arranged on the foam storage tank.
According to a preferred embodiment of the utility model, the foam storage tank is also fixedly provided with a level gauge inside.
According to a preferred embodiment of the utility model, a foam liquid supplementing port and a foam liquid discharging port are also fixedly arranged on the tank wall of the foam storage tank.
According to a preferred embodiment of the utility model, the foam storage tank is a stainless steel atmospheric foam tank.
The utility model has the technical effects that:
1. according to the offshore unmanned platform helicopter deck foam fire extinguishing device, the proportional mixer is communicated with the foam storage tank and the platform fire pump, so that a fresh water tank and a high-pressure nitrogen driving bottle group in a traditional device are replaced, and the beneficial effect of providing seawater by using the platform fire pump for helicopter deck foam fire extinguishing is achieved.
2. The deck foam fire extinguishing device of the helicopter of the unmanned offshore platform has simple equipment composition, and the whole equipment consists of a foam storage tank, a proportional mixer, a foam spray head and corresponding connecting pipelines; the automatic level is high, the device does not need personnel to operate, and the fire detection system sends out an instruction to directly start; the occupied area and the weight of the equipment are small, compared with the traditional helicopter fire extinguishing equipment, the occupied area is reduced by 90 percent, and the weight is reduced by 95 percent; the helicopter deck is fully covered without dead angles, so that the fire extinguishing efficiency is high; the independence is strong, and other systems and devices of the platform are not relied on; the operation and maintenance frequency is low, the system is free from moving equipment, and maintenance is not required at ordinary times.
Drawings
FIG. 1 is a schematic diagram of an offshore unmanned platform helicopter deck foam extinguishing device of the present utility model.
Reference numerals: 1-a platform fire pump; 2-ratio mixer; 3-a foam storage tank; 4-a foam mixed liquid conveying pipeline; 5-foam spray heads; 6-helicopter deck; 7-a pressure gauge; 8-a respiratory valve; 9-a foam liquid supplementing port; 10-a discharge port; 11-a fresh water flushing port; 12-a water outlet; 13-pressure transmitter.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model, so that those skilled in the art may better understand the utility model and practice it.
As shown in fig. 1, the foam fire extinguishing device for the helicopter deck of the offshore unmanned platform is connected to a platform fire pump 1 and comprises a foam storage tank 3, a proportional mixer 2 and a foam spray nozzle 5, wherein the platform fire pump 1 is communicated with the inlet end of the proportional mixer 2 through a pipeline, the inlet end of the proportional mixer 2 is also communicated with the foam storage tank 3, the outlet of the proportional mixer 2 is communicated with a plurality of foam spray nozzles 5 through a foam mixed liquid conveying pipeline 4, and the foam spray nozzle 5 is embedded in the helicopter deck 6 and the spray nozzle is flush with the surface of the helicopter deck 6.
As shown in fig. 1, when the fire detection system confirms that the helicopter deck 6 is in fire, a central control system sends a system starting command, a platform fire pump 1 is started to provide seawater, the seawater flows through a proportional mixer 2 of foam and seawater through a pipeline, negative pressure is formed in the proportional mixer 2 due to the change of the cross section area of the proportional mixer 2, the foam stored in a foam storage tank 3 enters the proportional mixer 2 under the pressure of atmospheric pressure, and the foam is mixed with the seawater to form a foam mixed solution. The foam mixed liquid is conveyed to a foam spray head 5 at the tail end through a foam mixed liquid conveying pipeline 4, and is sprayed through the foam spray head 5 to form foam so as to extinguish the fire of the helicopter deck 6. The foam spray heads 5 are uniformly embedded in the helicopter deck 6 and are flush with the surface of the helicopter deck 6, and are covered by spray head covers at ordinary times, and under the impact of water pressure, the spray head covers are automatically opened to spray foam.
Wherein the platform fire pump 1 provides seawater as a water source, and all elements in the device, particularly the foam nozzle 5 and foam liquid are compatible with the seawater and resistant to seawater corrosion. The seawater source replaces the traditional fresh water, and the platform fire pump 1 can be relied on, so that a fresh water tank and a high-pressure driving nitrogen cylinder in the traditional foam fire extinguishing device are eliminated, and the flow and the composition of the device are greatly simplified.
The venturi proportional mixer 2 adopts a working principle based on fluid mechanics, the water flow speed is changed through the change of the cross section area of a water flow channel, water flow pressure energy is converted into kinetic energy, negative pressure is formed in the middle of the proportional mixer 2, and foam liquid enters the proportional mixer 2 through the action of atmospheric pressure and is mixed with seawater. The device is based on a physical principle, does not depend on external resources of a platform, and works stably and reliably.
Wherein, the foam storage tank 3 adopts a stainless steel normal pressure foam tank, and a breather valve 8 is arranged to prevent the foam tank from forming negative pressure. Be provided with the level gauge and monitor the internal foam liquid level of jar, can set up the teletransmission level gauge as required, carry out remote monitoring to the foam liquid. The tank wall of the foam storage tank 3 is also fixedly provided with a foam liquid supplementing port 9 and a discharge port 10.
Wherein, the foam nozzle 5 is arranged on the surface of the deck 6 of the helicopter and is level with the deck, so that the take-off and landing of the helicopter are not affected. The foam spray head 5 is protected by a spray head cover at ordinary times, and the spray head cover is automatically opened to spray foam under the impact of water pressure. The foam nozzle 5 adopts the suction type foaming principle, and in the spraying process, the foam mixed liquid sprayed at high speed sucks air and is mixed with the air to form low-power foam liquid.
Wherein, the pipeline is also provided with a pressure gauge 7 for checking the pressure. The foam mixed liquid conveying pipeline 4 is also provided with a fresh water flushing port 11, a water outlet 12 and a pressure transmitter 13.
Wherein, the foam extinguishing device is linked with the central fire control gas system, and the central fire control gas system confirms the fire disaster, sends out an instruction to directly start the platform fire pump 1, opens the water supply valve of the foam extinguishing device, and the system is automatically started without additional instructions and operations.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. The utility model provides an unmanned aerial vehicle platform helicopter deck foam extinguishing device in sea, connects in platform fire pump, includes foam holding vessel, proportion blender and foam shower nozzle, its characterized in that, platform fire pump passes through the pipeline and communicates in the entrance point of proportion blender, the entrance point of proportion blender still communicates there is the foam holding vessel, the export of proportion blender has a plurality of foam shower nozzles through foam mixed liquid pipeline intercommunication, the foam shower nozzle is embedded in helicopter deck and spout and helicopter deck surface parallel and level.
2. The foam fire extinguishing device for the deck of the helicopter of the unmanned offshore platform according to claim 1, wherein the foam fire extinguishing device is electrically connected to a fire control gas system in the platform, and the fire control gas system in the platform can control the opening and closing of a fire pump of the platform.
3. The foam fire extinguishing device for the deck of the helicopter on the unmanned offshore platform according to claim 1, wherein a nozzle cover which is automatically opened and closed under the action of pressure is arranged at a nozzle of the foam nozzle.
4. An offshore unmanned platform helicopter deck foam fire suppression apparatus according to claim 1 wherein said plurality of foam sprayers are uniformly distributed on the helicopter deck.
5. The foam fire extinguishing device for the deck of the helicopter on the unmanned offshore platform according to claim 1, wherein a fresh water flushing port and a water draining port are further arranged on the foam mixed liquid conveying pipeline.
6. An offshore unmanned platform helicopter deck foam fire suppression apparatus according to claim 1, wherein the proportioning mixer is a venturi proportioning mixer.
7. The foam fire extinguishing device for the deck of the helicopter on the unmanned offshore platform according to claim 1, wherein a breather valve is further fixedly arranged on the foam storage tank.
8. The foam fire extinguishing device for the deck of the helicopter of the unmanned offshore platform according to claim 1, wherein a liquid level meter is fixedly arranged in the foam storage tank.
9. The foam fire extinguishing device for the deck of the helicopter of the unmanned offshore platform according to claim 1, wherein a foam liquid supplementing port and a foam liquid discharging port are further fixedly arranged on the tank wall of the foam storage tank.
10. An offshore unmanned platform helicopter deck foam fire suppression apparatus according to claim 1, wherein said foam storage tank is a stainless steel atmospheric foam tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326287.1U CN219804182U (en) | 2023-02-27 | 2023-02-27 | Foam fire extinguishing device for deck of helicopter of unmanned offshore platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326287.1U CN219804182U (en) | 2023-02-27 | 2023-02-27 | Foam fire extinguishing device for deck of helicopter of unmanned offshore platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219804182U true CN219804182U (en) | 2023-10-10 |
Family
ID=88211020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320326287.1U Active CN219804182U (en) | 2023-02-27 | 2023-02-27 | Foam fire extinguishing device for deck of helicopter of unmanned offshore platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219804182U (en) |
-
2023
- 2023-02-27 CN CN202320326287.1U patent/CN219804182U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |