CN214808011U - Automatic fire extinguishing system of unmanned offshore booster station - Google Patents
Automatic fire extinguishing system of unmanned offshore booster station Download PDFInfo
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- CN214808011U CN214808011U CN202021921183.8U CN202021921183U CN214808011U CN 214808011 U CN214808011 U CN 214808011U CN 202021921183 U CN202021921183 U CN 202021921183U CN 214808011 U CN214808011 U CN 214808011U
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Abstract
The utility model discloses an automatic fire-fighting system of an unattended offshore booster station, which comprises a detector, a manual alarm, fire-fighting facilities and a logic trigger device, wherein the logic trigger device comprises at least one logic judgment unit which is connected with the detector in any area and the manual alarm in any area; and one end of the logic execution unit is connected with the logic judgment unit, and the other end of the logic execution unit is connected with the fire-fighting facilities and is used for receiving the judgment signal output by the logic judgment unit and starting or closing each fire-fighting facility. The utility model divides the alarm into different levels through the judgment logic of the logic judgment unit and executes different strategies linked with the fire-fighting facilities, thereby improving the accuracy and reliability of the automatic fire-fighting system of the offshore booster station; the automatic fire fighting system is assisted with manual judgment of management personnel, the working mode of the automatic fire fighting system is expanded, and the risk of misoperation is reduced while the action rejection is prevented.
Description
Technical Field
The application belongs to the technical field of fire extinguishing systems, and particularly relates to an automatic fire extinguishing system of an unmanned offshore booster station.
Background
The offshore booster station is far away from the land and is unattended, and if the automatic fire fighting system refuses to operate in case of fire, the risk of burning the offshore booster station exists. The marine environment is severe, salt fog causes the service life reduction except that corroding equipment, also makes the false alarm probability of fire detector far away than land, leads to the false action probability of high-pressure water mist system also far away than land, threatens the operation of electrical equipment.
According to the design experience of European offshore wind farms, equipment and places where the offshore booster stations are prone to cause class B fires (liquid or meltable solid matter fires) adopt high-pressure water mist fire extinguishing devices, and the high-pressure water mist fire extinguishing devices are suitable for extinguishing class A, class B, class C and electric fires.
The high-pressure water mist fire extinguishing device is a pump set type fixed fire extinguishing system which utilizes tiny fog drops formed by pressure water flowing through a special water mist nozzle to extinguish fire or protect and cool. The average diameter of the fine water mist droplets is less than 400 mu m, the surface area and the density of the fine water mist droplets are high, the fine water mist droplets are quickly vaporized when meeting flame high temperature, the volume of the fine water mist droplets can be expanded by over 1700 times, the oxygen concentration of a protection area is greatly reduced, a large amount of heat is absorbed at the same time, the dual functions of oxygen isolation and temperature reduction are achieved, and the purpose of quickly extinguishing fire is achieved. The high-pressure water mist fire extinguishing device is comprehensively compared in the aspects of fire extinguishing effect, engineering cost, environmental protection, secondary disaster loss and the like, is superior to the traditional gas, water spraying and water mist fire extinguishing system, and is increasingly adopted by users.
The offshore booster station in China also adopts a design similar to Europe, but because the offshore booster station works in a salt spray environment, the false alarm probability of a fire detector is far greater than that of the onshore, the risk of high-pressure water mist fire extinguishing high-pressure false action in an automatic mode is high, and the operation of electrical equipment is threatened.
Disclosure of Invention
The application aims to provide an automatic fire-fighting system of an unattended offshore booster station, and aims to overcome the risk of system refusal or misoperation of a high-pressure water mist system in the existing offshore booster station fire-fighting system.
In order to achieve the purpose, the technical scheme of the application is as follows:
the utility model provides an automatic fire extinguishing system of unmanned on duty marine booster station, includes detector, manual alarm and fire fighting equipment, the automatic fire extinguishing system of unmanned on duty marine booster station still includes logic trigger device, logic trigger device includes:
the at least one logic judgment unit is connected with the detector in any area and the manual alarm in any area;
and one end of the logic execution unit is connected with the logic judgment unit, and the other end of the logic execution unit is connected with the fire-fighting facilities and is used for receiving the judgment signal output by the logic judgment unit and starting or closing each fire-fighting facility.
Further, the logic judgment unit comprises a first logic judgment unit, a second logic judgment unit and a first logic judgment unit;
the first logic judgment unit outputs a first judgment signal when any one area detector or any one area manual alarm acts;
the second logic judgment unit outputs a second judgment signal when the detectors act in any two areas;
and the third logic judgment unit outputs a third judgment signal when one detector and one manual alarm in the same area act or when two detectors in the same area act.
Furthermore, the fire-fighting equipment comprises a high-pressure water mist fire extinguishing device, a fresh air device, a fire-proof air valve and an audible and visual alarm, and the logic execution unit comprises a first logic execution unit, a second logic execution unit and a third logic execution unit;
the first logic execution unit turns on the audible and visual alarm when receiving the first judgment signal;
when the second logic execution unit receives the second judgment signal, the audible and visual alarm is turned on, and the fresh air device and the fireproof air valve are turned off;
and when the third logic execution unit receives the third judgment signal, the audible and visual alarm and the high-pressure water mist fire extinguishing device are turned on, and the fresh air device and the fireproof air valve are turned off.
Furthermore, the logic triggering device also comprises a remote communication unit which is used for being connected with the remote control platform, sending a local alarm signal and receiving an operation signal of the remote control platform.
Further, the logic triggering device further comprises a remote logic execution unit, which is used for executing corresponding operations according to the operation signals of the remote control platform.
According to the automatic fire-fighting system of the unattended offshore booster station, alarms are divided into different levels through the judgment logic of the logic judgment unit, different strategies linked with fire-fighting facilities are executed, and the accuracy and the reliability of the automatic fire-fighting system of the offshore booster station are improved; the automatic fire fighting system is assisted with manual judgment of management personnel, the working mode of the automatic fire fighting system is expanded, and the risk of misoperation is reduced while the action rejection is prevented.
Drawings
FIG. 1 is a schematic structural view of an automatic fire fighting system of an unattended offshore booster station according to the present application;
fig. 2 is a schematic structural diagram of a logic determination unit according to the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, the application provides an automatic fire extinguishing system of unmanned offshore booster station, includes detector, manual alarm and fire-fighting equipment, automatic fire extinguishing system of unmanned offshore booster station still includes logical trigger device, logical trigger device includes:
the at least one logic judgment unit is connected with the detector in any area and the manual alarm in any area;
and one end of the logic execution unit is connected with the logic judgment unit, and the other end of the logic execution unit is connected with the fire-fighting facilities and is used for receiving the judgment signal output by the logic judgment unit and starting or closing each fire-fighting facility.
As shown in fig. 1, the automatic fire fighting system of the unattended offshore booster station includes various fire fighting facilities, such as an audible and visual alarm, a high-pressure water mist fire extinguishing device, a fresh air device, a fire prevention air valve, an accident air valve, etc., which are relatively mature technologies in the field and are not described herein again. The fire-fighting facilities are managed and timely opened or closed by the fire-fighting equipment, so that the purpose of eliminating fire is achieved.
Wherein, the high-pressure water mist fire extinguishing device adopts high-pressure fresh water as a fire extinguishing medium and can spray continuously. Comprises a high-pressure pump set, a regional valve box, a high-pressure water mist spray head (open type spray head), a water mist spray gun device, a water supply pipeline, a tail end debugging water drainage device and the like. The high-pressure pump set mainly comprises a high-pressure pump, a pressure stabilizing pump, a regulating water tank, a float switch, a filter, a water inlet electromagnetic valve, a main water outlet valve, a pressure gauge, a pressure transmitter, a pump set control cabinet, a connecting pipeline, a frame and the like. The pump group control cabinet can also provide a plurality of signals including the operation and control of the pump group to the logic triggering device, such as the starting and stopping of the pump group, the low liquid level of the water tank, the operation of the high-pressure pump and the pressure stabilizing pump, the power supply indication and the like. In a quasi-working state, the high-pressure water mist fire extinguishing device maintains a certain pressure in a pipe network from an outlet of a pump group to the front of a zone valve, when the pressure is lower than the set starting pressure of a pressure stabilizing pump by 1MPa, the pressure stabilizing pump is started, so that the pipe network of the system maintains a stable pressure (1-1.2) MPa, and when the pressure of the pressure stabilizing pump is still not up to 1.2MPa after the pressure stabilizing pump runs for more than 10s, a main pump is started, and the pressure stabilizing pump is stopped. In order to realize independent fire extinguishing functions of different areas, the high-pressure water mist fire extinguishing device is provided with the water mist valve boxes according to different fire extinguishing areas, and the water mist fire extinguishing device is started to extinguish the fire according to the fire extinguishing areas.
The fresh air device is a set of independent air processing system consisting of an air supply system and an air exhaust system, the fireproof air valve comprises a smoke exhaust valve, a smoke exhaust fireproof valve, a fireproof regulating valve, a smoke and fireproof regulating valve and the like, and the accident air valve is a valve which needs to be controlled when an accident happens and is not repeated here.
In the automatic fire-fighting system of the unattended offshore booster station, the automatic fire-fighting system comprises various detectors, and the detectors can be one or a combination of a smoke sensor, a temperature sensor, a composite sensor and the like. For example, a smoke-sensing and temperature-sensing two-in-one composite detector is selected, and the composite detection technology is a novel multifunctional high-reliability fire detection technology which is popular internationally at present. The typical composite smoke and temperature sensing fire detector is a multi-element composite detector formed by a smoke sensing device and a semiconductor temperature sensing device together from a process structure and a circuit structure. It not only has the performance of common scattering photoelectric smoke fire detector, but also has the performance of constant temperature and difference constant temperature fire detector. Due to the smoke and temperature sensing composite technology, the composite detector can detect and alarm combustion of national standard test fire SH3 (polyurethane plastic fire) and SH4 (normal heptane fire), and can detect and alarm open fire with obvious temperature rise such as alcohol combustion, so that the application range of the photoelectric smoke detector is expanded. When the offshore booster station generates fire, the outfitting and the electrical equipment contain plastic or rubber synthetic materials, a large amount of polyurethane smoke or open fire can be generated when the objects are burnt, and the smoke-sensing and temperature-sensing two-in-one composite detector completely meets the actual working condition on site and can meet the use requirement.
The detector, the manual alarm and the fire-fighting equipment are installed in each fire-fighting area, and each fire-fighting area comprises equipment of the offshore booster station which is easy to cause the B-type fire (liquid or meltable solid substance fire) and an installation place of the equipment. The logic trigger device is connected with the detector, the manual alarm and the fire fighting equipment through the input and output module, the input and output module is installed in an input and output module box of each fire fighting area, and the input and output module provides various connecting passages.
The logic trigger device is mainly used for receiving a fire signal and starting a fire alarm device, can be used for indicating a fire part and recording related information, and can start the fire alarm signal or start related fire-fighting facilities.
The reliability of automatic fire fighting systems is manifested in preventing against refusal actions and reducing the risk of false actions. The application is provided with the following logic judgment unit:
the first logic judgment unit outputs a first judgment signal when any one area detector or any one area manual alarm acts;
the second logic judgment unit outputs a second judgment signal when the detectors act in any two areas;
and the third logic judgment unit outputs a third judgment signal when one detector and one manual alarm in the same area act or when two detectors in the same area act.
Specifically, fire judgment logic is a key ring of an automatic fire-fighting system, and the application classifies the suspected degree of fire. The judgment logic is shown in figure 2, when any one area detector or any one area manual alarm acts; when detectors act in any two areas, the suspected degree of the fire is a middle level; when one detector and one manual alarm are operated in the same area or two detectors are operated in the same area, the suspected degree of the fire is high, namely the fire is judged to occur.
Correspondingly, the application provides a corresponding logic execution unit, wherein:
the first logic execution unit turns on the audible and visual alarm when receiving the first judgment signal;
when the second logic execution unit receives the second judgment signal, the audible and visual alarm is turned on, and the fresh air device and the fireproof air valve are turned off;
and when the third logic execution unit receives the third judgment signal, the audible and visual alarm and the high-pressure water mist fire extinguishing device are opened, and the fresh air device and the fireproof air valve are closed.
Specifically, according to the suspected degree of the fire, corresponding fire extinguishing measures are automatically taken. The suspected degree of the fire is low, and only the fire is used as an alarm; automatically starting an audible and visual alarm, stopping a fresh air device and closing a fire prevention air valve without opening a high-pressure water mist fire extinguishing device when the suspected fire degree is medium; and (4) automatically starting an audible and visual alarm, stopping the fresh air device, closing a fireproof air valve and opening the high-pressure water mist device in the area to spray and extinguish the fire when the suspected degree of the fire is high.
This application logic judges unit connection arbitrary regional detector and arbitrary regional manual alarm, and logic execution unit's one end is connected with logic judgement unit, and the other end is connected with the fire-fighting equipment for receive the judgement signal that logic judgement unit output starts or closes each fire-fighting equipment.
The three judgment signals of high, medium and low and the corresponding fire fighting equipment are only one specific embodiment. The technicians in the field can also set more logic judgment units according to the actual field conditions to distinguish more suspected fire degrees; or to set fire fighting equipment operated by different logic execution units. Due to the fact that fire fighting facilities are different from one place to another, the fire fighting facilities operated by each logic execution unit are different, and the application is not limited to specific logic judgment unit types or the fire fighting facilities operated by the logic execution units correspondingly.
It should be noted that the logic determination unit and the logic execution unit are logic digital circuits or common electronic element circuits, such as and gates, or gates and other logic circuits, which can be conveniently implemented by those skilled in the art and are not described herein.
In one embodiment, the logic triggering device of the unattended offshore booster station automatic fire-fighting system further comprises a remote communication unit, wherein the remote communication unit is used for being connected with a remote control platform, sending a local alarm signal and receiving an operation signal of the remote control platform. And the remote logic execution unit is used for executing corresponding operation according to the operation signal of the remote control platform.
In this embodiment, the logic triggering device is connected to the remote control platform through the remote communication unit, and the connection mode may be an internet mode or a wireless communication mode such as 5G/4G. When the logic execution unit sends out sound and light alarm, the address, alarm time and address of the alarm point are sent to the remote control platform for display. And the remote management personnel can directly send instructions to control the starting of the fire-fighting equipment after the remote control platform receives the alarm. The remote logic execution unit is connected with the remote communication unit and triggers corresponding fire-fighting setting actions after receiving the operation signal of the remote control platform.
In addition, remote managers can call video monitoring to confirm whether a fire disaster occurs or not according to the fire disaster alarming area when the remote control platform finds a fire disaster, and if the fire disaster occurs, a remote fire extinguishing instruction is issued through a manual operation panel (fire control execution mechanism control buttons in each area) on the fire disaster alarming controller.
The offshore booster station works in a salt spray environment, the false alarm probability of the fire detector is far greater than that of the land, even if fire suspected degree grading judgment logic is adopted in an automatic mode, the false action probability of the high-pressure water mist system is far greater than that of the land, and the operation of electrical equipment is threatened. When a fire occurs, even if a detailed operation flow is established, misoperation may occur. The characteristics of two modes are combined, and the semi-automatic fire extinguishing is realized by additionally arranging manual confirmation logic. Namely, a manual confirmation link is added in an automatic mode, when a fire disaster occurs (the suspected degree of the fire disaster is high), a fire alarm controller sends a fire extinguishing request, and a manager judges the fire condition according to a field video monitoring picture, if the fire disaster is confirmed, the fire extinguishing command is allowed to be issued, otherwise, the fire extinguishing command is not allowed.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The utility model provides an automatic fire extinguishing system of unmanned on duty marine booster station, includes detector, manual alarm and fire control facility, its characterized in that, the automatic fire extinguishing system of unmanned on duty marine booster station still includes logic trigger device, logic trigger device includes:
the at least one logic judgment unit is connected with the detector in any area and the manual alarm in any area;
and one end of the logic execution unit is connected with the logic judgment unit, and the other end of the logic execution unit is connected with the fire-fighting facilities and is used for receiving the judgment signal output by the logic judgment unit and starting or closing each fire-fighting facility.
2. The unattended offshore booster station automatic fire fighting system of claim 1, wherein the logic determining unit comprises a first logic determining unit, a second logic determining unit, and a third logic determining unit;
the first logic judgment unit outputs a first judgment signal when any one area detector or any one area manual alarm acts;
the second logic judgment unit outputs a second judgment signal when the detectors act in any two areas;
and the third logic judgment unit outputs a third judgment signal when one detector and one manual alarm in the same area act or when two detectors in the same area act.
3. The unattended automatic fire fighting system for an offshore booster station according to claim 2, wherein the fire fighting equipment comprises a high pressure water mist fire extinguishing device, a fresh air device, a fire damper and an audible and visual alarm, and the logic execution units comprise a first logic execution unit, a second logic execution unit and a third logic execution unit;
the first logic execution unit turns on the audible and visual alarm when receiving the first judgment signal;
when the second logic execution unit receives the second judgment signal, the audible and visual alarm is turned on, and the fresh air device and the fireproof air valve are turned off;
and when the third logic execution unit receives the third judgment signal, the audible and visual alarm and the high-pressure water mist fire extinguishing device are turned on, and the fresh air device and the fireproof air valve are turned off.
4. The unattended offshore booster station automatic fire fighting system, according to claim 3, wherein the logic triggering device further comprises a remote communication unit for connecting with the remote control platform, sending a local alarm signal, and receiving an operation signal of the remote control platform.
5. The unattended offshore booster station automatic fire fighting system according to claim 4, wherein the logic triggering device further comprises a remote logic execution unit for executing a corresponding operation according to an operation signal of the remote control platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021921183.8U CN214808011U (en) | 2020-09-04 | 2020-09-04 | Automatic fire extinguishing system of unmanned offshore booster station |
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| CN202021921183.8U CN214808011U (en) | 2020-09-04 | 2020-09-04 | Automatic fire extinguishing system of unmanned offshore booster station |
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| CN214808011U true CN214808011U (en) | 2021-11-23 |
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