消火器の使用方法（訓練指導用）

kobecitychannel

21 Jan 202104:55

Summary

TLDRThe video script provided by the Kobe City Nagata Fire Department and the Kobe City Nagata Fire Prevention Association offers a comprehensive guide on the use of fire extinguishers. It emphasizes the importance of using a fire extinguisher during the initial stages of a fire to effectively control it before it escalates. The script outlines the different types of fire extinguishers available, such as powder, foam, carbon dioxide, and halogenated extinguishers, and their respective suitability for different types of fires, including ordinary fires, oil fires, and electrical fires. The video also covers the capabilities of fire extinguishers based on their size, which affects their spray time and distance. It provides clear instructions on the operation of a fire extinguisher, including the three-step process of pulling the safety pin, aiming at the base of the fire, and squeezing the lever. The script advises caution, such as not using a rusted fire extinguisher due to the risk of it bursting. Additionally, it discusses the training methods using a training water fire extinguisher, available for loan from the Kobe City Fire Department, and provides guidance on setting up a training area and conducting the training. The video concludes with instructions on how to return the fire extinguisher to its original state after use and contact information for inquiries at various fire stations within Kobe City.

Takeaways

🧯 The fire extinguisher is portable and easy to operate, making it effective for putting out small fires at the initial stage.
🔥 There are different types of fire extinguishers, including powder, foam, carbon dioxide, and halogenated extinguishers, each suitable for different types of fires.
🚨 It is crucial to identify the correct type of fire before using a fire extinguisher, as using the wrong type can be ineffective or even dangerous.
📦 Fire extinguishers come in various sizes, which affects their range and duration of use, so it's important to be familiar with the one you might use.
🔔 Upon discovering a fire, alert the authorities and those around you by shouting loudly; do not attempt to extinguish the fire alone.
🚒 For fires that have grown beyond a certain size, such as when flames reach the ceiling, using a fire hydrant system is more effective.
⚠️ If you feel you are in danger due to the size of the fire, the amount of smoke, or any other factors, evacuate immediately.
🎯 The basic steps for using a fire extinguisher are: pull the safety pin, aim at the base of the fire, and squeeze the lever.
💧 When using a foam extinguisher, sweep the agent over the fire like using a broom for more effective coverage.
⛔️ Avoid using a fire extinguisher that appears rusted or damaged, as it may be hazardous and could rupture.
💧 The Kobe City Fire Department offers loaner training fire extinguishers, and training can be conducted in a location that won't be affected by water.
📍 For training, set up a target and position the fire extinguisher about 5 meters away, then follow the demonstration and instructions provided by the trainer.

Q & A

Why is it important to use a fire extinguisher during the initial stage of a fire?
-A fire extinguisher is portable and easy to operate, making it effective for controlling small fires at the initial stage. If the fire progresses beyond this stage, it becomes more difficult to extinguish.
What are the common types of fire extinguishers mentioned in the script?
-The script mentions powder extinguishers as the most common type. It also references liquid extinguishers, carbon dioxide extinguishers, and halogenated extinguishers.
How many categories of fires are there according to the script?
-There are three main categories of fires: ordinary fires, which involve materials like wood and clothing; oil fires, which involve flammable liquids; and electrical fires, which involve electrical equipment that is energized.
Which type of fire extinguisher can be used for all categories of fires?
-Powder extinguishers can be applied to all types of fires. However, other types like liquid extinguishers are only suitable for ordinary and oil fires, and carbon dioxide extinguishers are suitable for oil and electrical fires.
What are the factors that determine the capacity of a fire extinguisher?
-The size of the fire extinguisher affects its capacity, which in turn influences the duration of discharge (radiant time) and the distance it can cover (radiant distance).
What is the first action to take upon discovering a fire?
-Upon discovering a fire, one should immediately give the alarm, shout loudly to alert others, and start the initial firefighting process.
What are the three steps to operate a fire extinguisher?
-The three steps are: 1) Pull the safety pin, 2) Aim the nozzle at the base of the fire, and 3) Squeeze the lever firmly.
How should one approach the fire when using a fire extinguisher?
-One should approach the fire carefully and not get too close. It's important to aim the extinguisher at the base of the fire and not the flames. If the fire's intensity decreases, one can gradually move closer to effectively extinguish it.
What is the proper way to use a liquid extinguisher?
-When using a liquid extinguisher, one should not focus the spray on a single point but rather sweep the area with the agent to cover the fire more effectively.
What should one do if the fire extinguisher appears rusted?
-A rusted fire extinguisher may be dangerous and could potentially rupture. It should not be used and should be replaced with a new one.
How can one practice using a water extinguisher?
-The Kobe City Fire Bureau provides training water extinguishers for loan. One should consult with their local fire station to arrange for a training session in a location where water will not cause any problems.
What is the procedure to restore a fire extinguisher after use?
-After use, the nozzle should be returned to its original position, the safety pin should be reinserted vertically, and the lever should be released. The safety pin can be reinserted into the visible hole from the top.

Outlines

00:00

🧯 Fire Extinguisher Usage Training Overview

This paragraph provides an introduction to fire extinguisher training, highlighting the ease of carrying and operating fire extinguishers, which are effective for initial stages of household fires. It also mentions the different types of fire extinguishers, such as powder, foam, carbon dioxide, and halogenated extinguishers, and their respective applications for different types of fires, including ordinary fires, oil fires, and electrical fires. The importance of choosing the correct extinguisher for the type of fire is emphasized.

Mindmap

Keywords

💡Fire Extinguisher

A fire extinguisher is a portable device used to put out small fires by discharging a chemical substance or other materials onto the fire. In the video, it is emphasized that fire extinguishers are easy to carry and operate, making them effective for initial control of household fires. The script also discusses different types of fire extinguishers and their appropriate use.

💡Fire Extinguisher Types

The video script outlines various types of fire extinguishers, including powder, foam, carbon dioxide, and halogenated extinguishers. Each type is suited for different classes of fires, which is crucial for effective firefighting. For instance, powder extinguishers are versatile and can be used for all types of fires, while foam extinguishers are suitable for ordinary fires and oil fires.

💡Classes of Fires

Fires are categorized into different classes based on the materials involved. The script mentions three main classes: ordinary fires involving materials like wood and textiles, oil fires involving flammable liquids, and electrical fires involving electrical equipment. Understanding the class of fire is essential for selecting the appropriate fire extinguisher.

💡Operational Capacity

The operational capacity of a fire extinguisher refers to its ability to perform based on size, which affects the duration it can spray and the distance it can cover. The video emphasizes the importance of being familiar with the fire extinguisher one is likely to use, as its capacity will determine its effectiveness in a fire situation.

💡Initial Firefighting

Initial firefighting involves taking immediate action to control a fire in its early stages. The video script stresses the importance of quickly recognizing a fire, raising an alarm, and attempting to extinguish it before it grows larger. The effectiveness of initial firefighting depends on the capacity of the fire extinguisher and the size of the fire.

💡Safety Precautions

Safety precautions are highlighted in the script to prevent misoperation and ensure the safe use of fire extinguishers. For example, it is advised not to operate a fire extinguisher near the fire source before pulling the safety pin and to aim the nozzle at the base of the fire, not the flames. Additionally, old or rusted fire extinguishers should not be used due to the risk of rupture.

💡Operation Steps

The video outlines the three-step process for using a fire extinguisher: pulling the safety pin, aiming the nozzle at the fire source, and squeezing the lever to discharge the extinguishing agent. These steps are crucial for effectively using a fire extinguisher and are demonstrated in the video.

💡Foam Fire Extinguisher

A foam fire extinguisher is a specific type mentioned in the script, which is effective against oil and ordinary fires. It is used by aiming the nozzle and sweeping the agent across the fire to cover it evenly, which is more effective than a concentrated spray. The script provides an example of how to use a foam extinguisher during a demonstration.

💡Training Methods

The script discusses training methods involving the use of training fire extinguishers filled with water, which are available for loan from the Kobe City Fire Department. Training is important to familiarize individuals with the correct use of fire extinguishers in a safe environment.

💡Preparation and Setup

Proper preparation and setup are essential for effective training. The video script suggests choosing a location that won't be affected by water and setting up the training apparatus about 5 meters away from the water source. This setup allows for practical and safe practice.

💡Recovery Method

After using a fire extinguisher, it's important to reset it for future use. The script explains how to restore the nozzle to its original position and how to reinsert the safety pin vertically. This step ensures the fire extinguisher is ready for the next use.

💡Consultation with Fire Departments

The video script advises viewers to consult with their local fire departments for further information or assistance, especially if they live outside of Kobe City. Fire departments are a valuable resource for fire safety education and can provide guidance on the appropriate use of fire extinguishers.

Highlights

Fire extinguishers are portable and easy to operate, effective for initial stages of household fires.

Different types of fire extinguishers include powder, foam, carbon dioxide, and halogenated agents.

Fire types are categorized into ordinary, oil, and electrical fires, requiring specific extinguishers.

Powder extinguishers are versatile for all fire types, unlike others that are type-specific.

The capacity of a fire extinguisher affects its spray time and distance.

Upon discovering a fire, immediate action is necessary, including alerting others and calling emergency services.

For fires reaching the ceiling, using a fire hydrant system is more effective than a handheld extinguisher.

If feeling personal danger due to fire size or smoke volume, evacuate immediately.

The basic operation of a fire extinguisher involves three steps: pulling the safety pin, aiming at the fire source, and squeezing the lever.

Avoid operating near the fire to prevent mishandling and ensure the extinguisher is not rusted or damaged.

For foam extinguishers, use a sweeping motion with a broom to disperse the agent evenly for better effectiveness.

Rust on a fire extinguisher indicates potential for rupture and should not be used.

Kobe City Fire Department offers loaner training water extinguishers for practice.

Choose a training location that is unaffected by water, and set up the extinguisher about 5 meters from the practice target.

Training should include explanations of extinguisher types, applicable fires, and their capabilities.

After use, the nozzle should be reset, and the safety pin and lever should be returned to their original positions.

Contact local fire departments for inquiries, especially for residents outside of Kobe City.

The video concludes with a summary of the importance of knowing how to use a fire extinguisher.