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What is the scope of application of heptafluoropropane (HFC-227ea) fire extinguishing agent?
Heptafluoropropane (HFC-227ea) fire extinguishers are commonly used fire extinguishers today. Its scope of application is quite important, and it is related to the fighting of all kinds of fires, so it should be carefully observed.
In the case of flammable liquid fires, such as common grease and alcohol fires, heptafluoropropane fire extinguishers can be effective. Cover it with its own characteristics to quickly suppress the combustion of the flame and prevent the spread of the fire. Grease fires, often due to excessive temperature, burn in case of open flames, heptafluoropropane can create an atmosphere around it to inhibit combustion and make the fire gradually extinguish.
For flammable gas fires, such as natural gas, gas and other leaks, heptafluoropropane is also useful. This fire extinguisher can reduce the oxygen concentration around the combustible gas in a short time, destroy the combustion conditions, and achieve the purpose of extinguishing the fire. If the gas catches fire, the fire is fierce, and heptafluoropropane can be sprayed accurately, quickly blocking the combustion reaction chain and extinguishing the fire.
Electrical fires are also in its scope of application. There are many electrical equipment today, and there are occasional risks of fire caused by short circuits and overloads. Heptafluoropropane has good insulation properties. When extinguishing electrical fires, it does not conduct electricity, which can ensure the safety of the rescuer, and can quickly extinguish the flame, protect electrical equipment and reduce losses.
Solid surface fires, such as wood, paper, etc., can also play a role. It can effectively reduce the temperature of the solid surface, inhibit the thermal decomposition and combustion process, and gradually extinguish the fire. Wood catches fire, the fire is easy to spread, and heptafluoropropane can be put out in time to control the fire.
Of course, heptafluoropropane fire extinguishers also have their limitations. For active metal fires, such as potassium, sodium, etc., it cannot play a role in extinguishing the fire, and the active metal burns violently, and heptafluoropropane is difficult to inhibit its reaction. Therefore, when using heptafluoropropane fire extinguishers, when the fire situation is identified and used reasonably, the best fire extinguishing effect can be achieved.
What is the fire extinguishing principle of HFC-227ea extinguishing agent?
The reason for extinguishing fire with heptafluoropropane (HFC-227ea) fire extinguishers is that when the agent is heated, it will rapidly decompose and release free radicals. This free radical can react with the active free radicals produced during the combustion process, thereby interrupting the chain reaction of combustion and extinguishing the flame.
heptafluoropropane has many characteristics. Its fire extinguishing agent is colorless, odorless, non-conductive, and has zero ozone depletion potential, making it environmentally friendly. When extinguishing a fire, it can quickly fill the protective area in a short time, effectively inhibiting the spread of fire.
Furthermore, after the heptafluoropropane fire extinguishing agent is sprayed, it can quickly vaporize without residue and will not cause secondary pollution to the protected object. Therefore, it is often used in electronic computer rooms, communication rooms, libraries, archives and other places with high requirements for cleanliness and equipment protection. Because of its high fire extinguishing efficiency and little damage to equipment, it is very popular in the field of modern fire protection, and can efficiently and safely protect various important places from fire.
Is Heptafluoropropane (HFC-227ea) Fire Extinguishing Agent Safe for Human Beings?
Heptafluoropropane (HFC-227ea) fire extinguishers are very important to personal safety and cannot be ignored. This agent, a chemically synthesized product, is widely used due to its outstanding fire extinguishing efficiency.
Its safety in the human body should be carefully studied. Heptafluoropropane is gaseous at room temperature and pressure, colorless and odorless, and has low toxicity. According to the feedback from many experiments and practical applications, under normal use conditions, an appropriate amount of heptafluoropropane is extremely harmful to the human body. Its fire extinguishing mechanism is mainly chemical suppression, which can quickly interrupt the chain reaction of combustion, and extinguish fire efficiently and quickly.
However, if a large amount of heptafluoropropane is released in a small enclosed space, it will cause a sudden drop in the oxygen content in the space, or cause the risk of hypoxia in the human body. And during the fire extinguishing process, if the temperature is too high, heptafluoropropane may decompose to produce a small amount of toxic substances, such as hydrogen fluoride, etc. These substances may be irritating to the human respiratory tract, eyes and other parts.
Therefore, to ensure safety, when using, follow the regulations. Operate in a well-ventilated place. If the space is closed, it is advisable to evacuate the personnel first. After the fire extinguishing is completed and the ventilation is changed, the personnel can enter. In this way, it can avoid its potential danger, do its best to extinguish the fire, and ensure the safety
What are the storage conditions for HFC-227ea fire extinguishing agent?
Heptafluoropropane (HFC-227ea) fire extinguishers are commonly used fire extinguishers today. Its storage conditions are related to its efficiency and safety, and cannot be ignored.
Heptafluoropropane fire extinguishers should be placed in a dry, ventilated and suitable temperature place. In a dry place, it can avoid rust of its parts. If it is in a humid place, water vapor is easy to invade. Over time, metal parts or rust will damage its structure, and valves and other parts may fail, affecting the normal ejection of fire extinguishing agent.
Good ventilation is also essential. If it is in an occluded place, once the fire extinguishing agent leaks, the gas will not disperse easily, or the local concentration will be too high, which is unfavorable to human health and poses a safety hazard. Furthermore, good ventilation can make the ambient temperature relatively balanced.
As for the temperature, it should be controlled within an appropriate range. If the temperature is too high, the pressure of heptafluoropropane in the container will increase. If the hot summer sun is directly exposed, or near the hot topic source, the pressure exceeds the container's tolerance, and there is a risk of explosion. If the temperature is too low, the fluidity of the extinguishing agent may be affected, and it cannot spread rapidly and evenly during spraying, reducing its fire extinguishing efficacy. Generally speaking, the storage temperature should be between -10 ° C and 50 ° C.
In addition, the storage place should be kept away from fire sources, heat sources and flammable and explosive objects. And it should be avoided from impact and vibration to prevent damage to the container and leakage of the extinguishing agent. In this way, Fangbao heptafluoropropane fire extinguishers can be used at any time, and in the event of a fire, they can quickly carry out the responsibility of extinguishing the fire and protect the safety of people and property.
What are the advantages of HFC-227ea fire extinguishing agent compared with other fire extinguishing agents?
Heptafluoropropane (HFC-227ea) fire extinguishers have three advantages over other types of fire extinguishers.
First, high fire extinguishing efficiency. Heptafluoropropane has good chemical stability in fire extinguishing agents, can suppress the chain reaction of flame combustion in a short time, and quickly extinguish the flame. In the event of a fire outbreak, it can quickly reach the source of the fire and extinguish the fire in an efficient state. At the beginning of the fire, it can contain the spread. This unusual fire extinguisher is within reach.
Second, clean and environmentally friendly. The fire extinguisher ejected by this fire extinguisher has a short residual time in the atmosphere, and the ozone depletion potential (ODP) is zero, which has no risk of damaging the ozone layer. After use, it has no residual pollutants, does not stain the equipment and items around the fire site, and does not produce harmful gases. It is harmless to the environment and people. It is suitable for places with high environmental cleanliness requirements, such as electronic equipment rooms, libraries, museums, etc.
Third, it has a wide range of applications. Heptafluoropropane fire extinguishers can effectively extinguish Class A (solid surface fires), Class B (liquid fires), Class C (gas fires) and electrical fires. Whether it is a common flammable fire or a fire caused by an electrical failure, it can be easily dealt with, and it can be used in all kinds of places. It has a wide range of application scenarios and is not subject to many restrictions.