CN103759893A - Method and device for monitoring leakage of fire extinguishing agent of gas fire-extinguishing system and remote monitoring system - Google Patents
Method and device for monitoring leakage of fire extinguishing agent of gas fire-extinguishing system and remote monitoring system Download PDFInfo
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- CN103759893A CN103759893A CN201410003556.6A CN201410003556A CN103759893A CN 103759893 A CN103759893 A CN 103759893A CN 201410003556 A CN201410003556 A CN 201410003556A CN 103759893 A CN103759893 A CN 103759893A
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Abstract
The embodiment of the invention discloses a method and device for monitoring leakage of a fire extinguishing agent of a gas fire-extinguishing system and a remote monitoring system. The method comprises that the steps that the weight and pressure of the fire extinguishing agent and the environment temperature of the installation position are collected, wherein the fire extinguishing agent comprises fire extinguishing gas and a pressure container used for storing the fire extinguishing agent; when the collected weight is lower than the set lower limiting value of the fire extinguishing agent and the collected pressure is lower than the pressure lower limiting value corresponding to the environmental temperature, it is judged that the fire extinguishing agent leaks; when the fire extinguishing agent leaks, a leakage alarm is given, wherein the leakage alarm comprises a site alarm and/or an alarm given to a remote leakage monitoring server. The automatic method is adopted to achieve monitoring of leakage of the fire extinguishing agent of the gas fire-extinguishing system and the method and device have the advantages of being high in accuracy, free of influence by personal factors and the like.
Description
Technical field
The present invention relates to security against fire monitoring field, relate in particular to a kind of gas extinguishing system fire extinguishing agent leakage monitoring method, device and long distance control system.
Background technology
Gas extinguishing system refers to that fire extinguishing agent is stored in steel cylinder with liquid, liquid gas or gaseous state at ordinary times, the gas (comprising: steam, aerosol state) of usining during fire extinguishing sprays as firing-fighting medium, and in can be between guard plot, form the gas concentration of all directions homogeneous, and at least can keep this fire extinguishing scope to reach the dip time of regulation and stipulation, realize and put out the space of guard plot, three-dimensional fire.It is mainly used in being not suitable for arranging in the environment of the fire extinguishing systems such as water fire-extinguishing system, for example: for power plant, power station, chemical plant, pharmaceutical factory, and computer house, library, archives, treasure storehouse and telecommunication center etc.
The principle of work of gas extinguishing system is roughly: gas extinguishing system is connected with automatic alarm system, when automatic alarm system is received secondary warning (warning of simultaneously receiving smoke detector and heat detector just makes secondary report to the police), send out indicator signal to the console panel of gas extinguishing system, console panel is received after indicator signal, send instructions and start the solenoid valve at steel cylinder top, the valve at steel cylinder top is opened in solenoid valve action, makes air release in steel cylinder out.
Gas extinguishing system is in long-term storage process at present, because rubber seal is intermolecular, there is gap, therefore leaking may appear in fire extinguishing agent gas, cause the amount of fire extinguishing agent gas in steel cylinder to reduce, when serious, cause fire extinguishing agent system can not reach designing requirement, in the face of this kind of situation, the conventional solution in this area is at present: by the special manometric reading of testing staff's routine observation fire extinguishing agent, when manometric reading pressurizes and supplements fire extinguishing agent during lower than a certain value, to guarantee the amount of fire extinguishing agent, but the problem that this mode exists is: the force value of fire extinguishing agent varies with temperature and changes on the one hand, therefore by intuitively reading its accuracy of method of tensimeter numerical value, need to be considered, adopt on the other hand manual detection to be subject to the impact of the factors such as personal mood, sense of responsibility, accuracy is not high.
Summary of the invention
In view of this, the invention provides a kind of gas extinguishing system fire extinguishing agent leakage monitoring method, device and long distance control system, adopt the mode of robotization accurately to realize the monitoring that gas extinguishing system fire extinguishing agent leaks.
The invention provides a kind of gas extinguishing system fire extinguishing agent leakage monitoring method, comprising:
The environment temperature that gathers weight, pressure and the installation site of described fire extinguishing agent, described fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas;
When the described fire extinguishing agent lower weight limit value that weighs less than setting, pressure during lower than low pressure limit value corresponding to described environment temperature, judges that described fire extinguishing agent leaks;
When described fire extinguishing agent leaks, carry out leakage alarm, described leakage alarm comprises: onsite alarming and/or report to the police to long-range leak supervision server.
Further, the environment temperature of the weight of described collection fire extinguishing agent, pressure and installation site, comprising:
By the electronic balance that is installed on described pressure vessel bottom, gathered the weight of described fire extinguishing agent;
By the pressure transducer that is installed on described pressure vessel top, gathered the pressure of fire-suppressant gas in described fire extinguishing agent;
By the environment temperature that is installed near temperature sensor fire extinguishing agent installation site and gathers described fire extinguishing agent installation site.
The invention provides a kind of gas extinguishing system fire extinguishing agent leakage monitor, comprising:
Acquisition module, for gathering the environment temperature of weight, pressure and the erecting device of described fire extinguishing agent, described fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas;
Processing module, for when described in weigh less than the fire extinguishing agent lower weight limit value of setting, pressure during lower than low pressure limit value corresponding to described environment temperature, judges that described fire extinguishing agent leaks;
Sending module, for sending alerting signal to long-range leak supervision server when described fire extinguishing agent leaks.
Further, described acquisition module comprises: electronic balance, pressure transducer and temperature sensor;
Described electronic balance is arranged on described pressure vessel bottom, for gathering the weight of described fire extinguishing agent;
Described pressure transducer is arranged on described pressure vessel top, for gathering the pressure of fire-suppressant gas in described fire extinguishing agent;
Described temperature sensor is arranged near fire extinguishing agent installation site, for gathering the environment temperature of described fire extinguishing agent installation site.
Further, also comprise:
Onsite alarming module, for carrying out onsite alarming when described fire extinguishing agent leaks;
Display module, for showing weight, the pressure of described fire extinguishing agent, environment temperature and the alerting signal of installation site;
Described sending module, also for being sent to the environment temperature of the weight of described fire extinguishing agent, pressure and installation site described leak supervision server.
The invention provides a kind of gas extinguishing system fire extinguishing agent leakage remote supervisory system, comprising: be positioned at long-range leak supervision server and be positioned at on-the-spot leakage monitor, described leakage monitor comprises:
Acquisition module, for gathering the environment temperature of weight, pressure and the installation site of described fire extinguishing agent, described fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas;
Processing module, for when described in weigh less than the fire extinguishing agent lower weight limit value of setting, pressure during lower than low pressure limit value corresponding to described environment temperature, judges that described fire extinguishing agent leaks;
Sending module, for sending alerting signal to described leak supervision server when described fire extinguishing agent leaks.
Further, described acquisition module comprises: electronic balance, pressure transducer and temperature sensor;
Described electronic balance is arranged on described pressure vessel bottom, for gathering the weight of described fire extinguishing agent;
Described pressure transducer is arranged on described pressure vessel top, for gathering the pressure of fire-suppressant gas in described fire extinguishing agent;
Described temperature sensor is arranged near fire extinguishing agent installation site, for gathering the environment temperature of described fire extinguishing agent installation site.
Further, described leakage monitor also comprises:
Onsite alarming module, for carrying out onsite alarming when described fire extinguishing agent leaks;
Display module, for showing weight, the pressure of described fire extinguishing agent, environment temperature and the alerting signal of installation site;
Described sending module, also for being sent to the environment temperature of the weight of described fire extinguishing agent, pressure and erecting device described leak supervision server.
Further, described leak supervision server comprises:
Communication module, for passing through cable network or wireless network interactive information with the leakage monitor that is arranged at each fire extinguishing agent monitoring point;
Back ground Information module, for the maintenance and management of fire extinguishing agent monitoring point information, fire extinguishing agent installation site, place, fire extinguishing agent monitoring point building information, fire extinguishing agent attribute;
Relating module, for setting up the corresponding one by one of gas extinguishing system and gas extinguishing system fire extinguishing agent leakage remote supervisory system, sets up the corresponding one by one of gas extinguishing system and buildings, fire extinguishing agent installation site;
Realtime Alerts module, for when communication simulation receives alerting signal, sends fire extinguishing agent leakage alarm message to the default mobile phone of receiving a crime report in real time;
Query statistic module, supplements for receiving and respond leak condition to gas extinguishing system, alarm condition, pressurization the inquiry request that fire extinguishing agent state is inquired about, and by region, generate at times the statistical report form of gas extinguishing system.
Beneficial effect of the present invention:
The embodiment of the present invention, leakage situation by three combined factors evaluation fire extinguishing agents of environment temperature of weight, pressure and the installation site of fire extinguishing agent, the concrete fire extinguishing agent of working as weighs less than fire extinguishing agent lower weight limit value, pressure is during lower than low pressure limit value corresponding to environment temperature, judge that fire extinguishing agent leakage needs pressurization to supplement, this kind of mode can realize the monitoring that gas extinguishing system fire extinguishing agent leaks exactly, especially by pressure and temperature integrated, this has taken into full account pressure following temperature and has changed this factor, makes the leakage monitoring accuracy of the embodiment of the present invention higher; In addition, the embodiment of the present invention can consist of equipment such as acquisition module, processing modules the leakage monitor of real-time robotization, and it is not subject to the impact of individual factor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the schematic flow sheet of the embodiment of gas extinguishing system fire extinguishing agent leakage monitoring method provided by the invention.
Fig. 2 is the structural representation of the embodiment of gas extinguishing system fire extinguishing agent leakage remote supervisory system provided by the invention.
Embodiment
Please refer to Fig. 1, is the schematic flow sheet of the embodiment of gas extinguishing system fire extinguishing agent leakage monitoring method provided by the invention.It comprises:
The environment temperature of weight, pressure and the installation site of step S11, collection fire extinguishing agent.
Herein, fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas, common pressure vessel is steel cylinder.
Herein, can be gathered by the electronic balance that is installed on pressure vessel bottom the weight of fire extinguishing agent, can by being installed on pressure vessel top, (be specially place, gas outlet, generally at place, gas outlet, one threeway is set, in threeway, wherein one connect pressure transducer) pressure transducer gather the pressure of fire-suppressant gas in fire extinguishing agent, can be by the environment temperature that is installed near temperature sensor fire extinguishing agent installation site and gathers fire extinguishing agent installation site.
Herein, step S11 can be according to the time interval timing acquiring arranging, for example, at interval of 5 minutes or 10 minutes, etc.
Step S12, when weighing less than the fire extinguishing agent lower weight limit value of setting, pressure during lower than low pressure limit value corresponding to environment temperature, judges that fire extinguishing agent leaks.
Herein, when step S11 collects weight, pressure and environment temperature, first step S12 compares weight and default fire extinguishing agent lower weight limit system, if be less than low pressure limit value corresponding to extraction environment temperature, pressure and low pressure limit value that step S11 is gathered compare, if be less than, be judged to be fire extinguishing agent and leak.
Herein, the corresponding relation of environment temperature and low pressure limit value and pressure criteria value can be as shown in Table 1.
Table one:
Step S13, when leaking, fire extinguishing agent carries out leakage alarm.
Herein, leakage alarm comprises: onsite alarming and/or report to the police to long-range leak supervision server.Wherein onsite alarming comprises sound and light alarm.
In addition, the present embodiment, after step S11, can also show the environment temperature of weight, pressure and the installation site of fire extinguishing agent, at the scene in real time so that field personnel understands the current state of fire extinguishing agent.
In addition, the present embodiment after step S12, can also be at the scene display alarm signal in real time.
The present embodiment, leakage situation by these three combined factors evaluation fire extinguishing agents of environment temperature of weight, pressure and the installation site of fire extinguishing agent, the concrete fire extinguishing agent of working as weighs less than fire extinguishing agent lower weight limit value, pressure is during lower than low pressure limit value corresponding to environment temperature, judge that fire extinguishing agent leakage needs pressurization to supplement, this kind of mode can realize the monitoring that gas extinguishing system fire extinguishing agent leaks exactly, especially by pressure and temperature integrated, this has taken into full account pressure following temperature and has changed this factor, makes the leakage monitoring accuracy of the embodiment of the present invention higher; In addition, the method for the present embodiment can realize in robotization, is not subject to the impact of individual factor.
Please refer to Fig. 2, is the structural representation of the embodiment of gas extinguishing system fire extinguishing agent leakage remote supervisory system provided by the invention.It comprises: be positioned at long-range leak supervision server 1 and be positioned at on-the-spot leakage monitor 2.
Herein, in a gas extinguishing system fire extinguishing agent leakage remote supervisory system, leakage monitor 2 can have a plurality of.
Herein, the connected mode of leak supervision server 1 and leakage monitor 2 can comprise: CAN(Controller Area Network, controller local area network) bus, 485 buses, Ethernet, WIFI(Wireless Fidelity) network, GPRS(General Packet Radio Service, general packet radio service) network, 3G or 4G network.
As shown in Figure 2, wherein leakage monitor 2 can comprise:
Acquisition module 21, for gathering the environment temperature of weight, pressure and the installation site of described fire extinguishing agent.
Herein, fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas, common pressure vessel is steel cylinder.
Herein, acquisition module 21 can comprise: electronic balance, pressure transducer and temperature sensor.Wherein electronic balance is arranged on pressure vessel bottom, for gathering the weight of fire extinguishing agent.Wherein pressure transducer is arranged on pressure vessel top, for gathering the pressure of fire-suppressant gas in fire extinguishing agent.Wherein temperature sensor is arranged near fire extinguishing agent installation site, for gathering the environment temperature of fire extinguishing agent installation site.
Processing module 22, for when weighing less than the fire extinguishing agent lower weight limit value of setting, pressure during lower than low pressure limit value corresponding to environment temperature, judges that fire extinguishing agent leaks.
Herein, processing module 22 mainly consists of the comparer of two cascades, and one of them is for the comparison of weight and fire extinguishing agent lower weight limit value, and another is for the comparison of pressure and low pressure limit value.
Sending module 23, for send alerting signal to leak supervision server 2 when fire extinguishing agent leaks, and the environment temperature of weight, pressure and the erecting device of the fire extinguishing agent in real time acquisition module 21 being gathered is sent to leak supervision server 1.
Onsite alarming module 24, for example, for carrying out onsite alarming: sound and light alarm when fire extinguishing agent leaks.
Display module 25, for showing weight, the pressure of fire extinguishing agent, environment temperature and the alerting signal of installation site.
As shown in Figure 2, leak supervision server 1 mainly comprises:
Communication module 11, for passing through cable network or wireless network interactive information with the leakage monitor that is arranged at each fire extinguishing agent monitoring point.
Back ground Information module 12, for the maintenance and management of fire extinguishing agent monitoring point information, fire extinguishing agent installation site, place, fire extinguishing agent monitoring point building information, fire extinguishing agent attribute.
Relating module 13, for setting up the corresponding one by one of gas extinguishing system and gas extinguishing system fire extinguishing agent leakage remote supervisory system, sets up the corresponding one by one of gas extinguishing system and buildings, fire extinguishing agent installation site.
Realtime Alerts module 14, for when communication simulation receives alerting signal, sends fire extinguishing agent leakage alarm message to the default mobile phone of receiving a crime report in real time.
Query statistic module 15, supplements for receiving and respond leak condition to gas extinguishing system, alarm condition, pressurization the inquiry request that fire extinguishing agent state is inquired about, and by region, generate at times the statistical report form of gas extinguishing system.
The present embodiment, three leakage situation with reference to Comprehensive Assessment fire extinguishing agent of environment temperature by weight, pressure and the installation site of fire extinguishing agent, the concrete fire extinguishing agent of working as weighs less than fire extinguishing agent lower weight limit value, pressure is during lower than low pressure limit value corresponding to environment temperature, judge that fire extinguishing agent leakage needs pressurization to supplement, this kind of mode can realize the monitoring that gas extinguishing system fire extinguishing agent leaks exactly, especially by pressure and temperature integrated, this has taken into full account pressure following temperature and has changed this factor, makes the leakage monitoring accuracy of the embodiment of the present invention higher.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. a gas extinguishing system fire extinguishing agent leakage monitoring method, is characterized in that: comprising:
The environment temperature that gathers weight, pressure and the installation site of described fire extinguishing agent, described fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas;
When the described fire extinguishing agent lower weight limit value that weighs less than setting, pressure during lower than low pressure limit value corresponding to described environment temperature, judges that described fire extinguishing agent leaks;
When described fire extinguishing agent leaks, carry out leakage alarm, described leakage alarm comprises: onsite alarming and/or report to the police to long-range leak supervision server.
2. gas extinguishing system fire extinguishing agent leakage monitoring method as claimed in claim 1, is characterized in that: the environment temperature of the weight of described collection fire extinguishing agent, pressure and installation site, comprising:
By the electronic balance that is installed on described pressure vessel bottom, gathered the weight of described fire extinguishing agent;
By the pressure transducer that is installed on described pressure vessel top, gathered the pressure of fire-suppressant gas in described fire extinguishing agent;
By the environment temperature that is installed near temperature sensor fire extinguishing agent installation site and gathers described fire extinguishing agent installation site.
3. a gas extinguishing system fire extinguishing agent leakage monitor, is characterized in that: comprising:
Acquisition module, for gathering the environment temperature of weight, pressure and the erecting device of described fire extinguishing agent, described fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas;
Processing module, for when described in weigh less than the fire extinguishing agent lower weight limit value of setting, pressure during lower than low pressure limit value corresponding to described environment temperature, judges that described fire extinguishing agent leaks;
Sending module, for sending alerting signal to long-range leak supervision server when described fire extinguishing agent leaks.
4. gas extinguishing system fire extinguishing agent leakage monitor as claimed in claim 3, is characterized in that: described acquisition module comprises: electronic balance, pressure transducer and temperature sensor;
Described electronic balance is arranged on described pressure vessel bottom, for gathering the weight of described fire extinguishing agent;
Described pressure transducer is arranged on described pressure vessel top, for gathering the pressure of fire-suppressant gas in described fire extinguishing agent;
Described temperature sensor is arranged near fire extinguishing agent installation site, for gathering the environment temperature of described fire extinguishing agent installation site.
5. the gas extinguishing system fire extinguishing agent leakage monitor as described in claim 3 or 4, is characterized in that: also comprise:
Onsite alarming module, for carrying out onsite alarming when described fire extinguishing agent leaks;
Display module, for showing weight, the pressure of described fire extinguishing agent, environment temperature and the alerting signal of installation site;
Described sending module, also for being sent to the environment temperature of the weight of described fire extinguishing agent, pressure and installation site described leak supervision server.
6. a gas extinguishing system fire extinguishing agent leakage remote supervisory system, is characterized in that: comprising: be positioned at long-range leak supervision server and be positioned at on-the-spot leakage monitor, described leakage monitor comprises:
Acquisition module, for gathering the environment temperature of weight, pressure and the installation site of described fire extinguishing agent, described fire extinguishing agent comprises: fire-suppressant gas and for storing the pressure vessel of this fire-suppressant gas;
Processing module, for when described in weigh less than the fire extinguishing agent lower weight limit value of setting, pressure during lower than low pressure limit value corresponding to described environment temperature, judges that described fire extinguishing agent leaks;
Sending module, for sending alerting signal to described leak supervision server when described fire extinguishing agent leaks.
7. gas extinguishing system fire extinguishing agent leakage remote supervisory system as claimed in claim 6, is characterized in that: described acquisition module comprises: electronic balance, pressure transducer and temperature sensor;
Described electronic balance is arranged on described pressure vessel bottom, for gathering the weight of described fire extinguishing agent;
Described pressure transducer is arranged on described pressure vessel top, for gathering the pressure of fire-suppressant gas in described fire extinguishing agent;
Described temperature sensor is arranged near fire extinguishing agent installation site, for gathering the environment temperature of described fire extinguishing agent installation site.
8. the gas extinguishing system fire extinguishing agent leakage remote supervisory system as described in claim 6 or 7, is characterized in that: described leakage monitor also comprises:
Onsite alarming module, for carrying out onsite alarming when described fire extinguishing agent leaks;
Display module, for showing weight, the pressure of described fire extinguishing agent, environment temperature and the alerting signal of installation site;
Described sending module, also for being sent to the environment temperature of the weight of described fire extinguishing agent, pressure and erecting device described leak supervision server.
9. the gas extinguishing system fire extinguishing agent leakage remote supervisory system as described in claim 6 or 7, is characterized in that: described leak supervision server comprises:
Communication module, for passing through cable network or wireless network interactive information with the leakage monitor that is arranged at each fire extinguishing agent monitoring point;
Back ground Information module, for the maintenance and management of fire extinguishing agent monitoring point information, fire extinguishing agent installation site, place, fire extinguishing agent monitoring point building information, fire extinguishing agent attribute;
Relating module, for setting up the corresponding one by one of gas extinguishing system and gas extinguishing system fire extinguishing agent leakage remote supervisory system, sets up the corresponding one by one of gas extinguishing system and buildings, fire extinguishing agent installation site;
Realtime Alerts module, for when communication simulation receives alerting signal, sends fire extinguishing agent leakage alarm message to the default mobile phone of receiving a crime report in real time;
Query statistic module, supplements for receiving and respond leak condition to gas extinguishing system, alarm condition, pressurization the inquiry request that fire extinguishing agent state is inquired about, and by region, generate at times the statistical report form of gas extinguishing system.
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| CN104399220A (en) * | 2014-11-03 | 2015-03-11 | 浙江金盾消防器材有限公司 | Fire extinguishing system with fire extinguishing medium leakage monitoring function and fire fighting medium leakage monitoring method |
| CN109568843A (en) * | 2019-01-06 | 2019-04-05 | 深圳泰科芯元科技有限公司 | A kind of Internet of Things intelligent extinguisher of band fire prevention warning function |
| CN110987297A (en) * | 2019-11-04 | 2020-04-10 | 亿江(北京)科技发展有限公司 | High-pressure container bottle leakage monitoring device and monitoring system based on same |
| CN113409552A (en) * | 2021-05-14 | 2021-09-17 | 国网吉林省电力有限公司长春供电公司 | Heptafluoropropane alarm mounted on inspection robot |
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| CN114569926A (en) * | 2022-02-28 | 2022-06-03 | 浙江八度科技有限公司 | Pressure monitoring system for fire-fighting device and monitoring method thereof |
| US11648431B2 (en) | 2018-11-30 | 2023-05-16 | Carrier Corporation | Fire suppression system remote monitoring |
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Cited By (9)
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| CN113765994A (en) * | 2020-06-04 | 2021-12-07 | 黄清杉 | Intelligent fire-fighting equipment monitoring system and monitoring method thereof |
| CN113409552A (en) * | 2021-05-14 | 2021-09-17 | 国网吉林省电力有限公司长春供电公司 | Heptafluoropropane alarm mounted on inspection robot |
| CN114569926A (en) * | 2022-02-28 | 2022-06-03 | 浙江八度科技有限公司 | Pressure monitoring system for fire-fighting device and monitoring method thereof |
| SE2250583A1 (en) * | 2022-05-16 | 2023-11-17 | Cosesy As | A fire extinguisher, a system for monitoring a fire extinguisher, and methods for detecting leakage from a fire extinguisher |
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