Text丨Xiao Zhang miscellaneous
Editor丨Xiao Zhang's miscellaneous talk
Preamble:
"When you run out of gas, do you turn off the stove or turn off the gas first?"
Xiao Zhang was amused by a joke from a friend when he was running out of gas, and the gas master next to him told him very seriously after hearing it: "After using the gas, you must turn off the gas first, and then turn off the stove, otherwise it will easily cause potential safety hazards!"
This frightened Xiao Zhang, because he had always thought that he should turn off the stove when turning off the gas, but he didn't expect that he had done an extremely dangerous thing, fortunately, the gas in his home was relatively stable, otherwise this shutdown sequence might cause a gas explosion in the home.
So is Xiao Zhang's approach right or wrong, should the gas be turned off first when the gas runs out, or should the stove be turned off first?
Turn off the gas in order.
Xiao Zhang asked confusedly: "Why do you have to turn off the gas first and then turn off the stove when you run out of gas?"
The gas master patiently explained to him: "Because there is a layer of glass on your stove to block the flame, this causes the heat to not escape from above, so after turning it off, there will be a period of residual heat from burning on the top of the glass, at this time, the gas under the stove is still flowing in, flowing above the concentrated heat at the top of the glass, and when the density reaches a certain value, the heat will suddenly fall down, and by the way, a part of the gas will be brought up, igniting the gas, thus detonating a large amount of gas, forming a gas explosion."
The gas master talked eloquently, and Xiao Zhang felt afraid for a while after listening to it, so he quickly changed the topic and asked, "Then why are the gas flames in winter sometimes red and sometimes blue?"
The master said: "In fact, the color of these two flames is a principle distinction, the blue flame resistance is relatively large, which can make the gas fully burned, which is the normal flame color, but the red flame means that the combustion is incomplete, at this time the gas contains a lot of impurities, so the flame formed will turn red."
After listening to the gas master's explanation, Xiao Zhang suddenly brightened up, and sighed in his heart: "I didn't expect that simply being lazy actually caused a huge disaster, but fortunately the crisis was finally resolved, and I must be more careful from now on."
Clean gas appliances.
As the main force of gas in the family, how to properly maintain gas appliances is very important, especially after using it for a period of time, there will be a layer of dirt on the gas surface, and there will be more or less certain blockage problems.
Cleaning gas appliances is very important, not only to reduce the amount of gas used, but also to improve the efficiency of combustion heat, and the service life of gas appliances will be relatively longer, so as long as there is a place where gas is used, it is very important to clean the appliances regularly.
If the hose is found to be aging during use, it should be replaced, because the aging hose will lead to damage, which will cause gas leakage, and if the leakage gas is not dealt with in time, it will lead to the accumulation of gas at home, once it reaches a certain concentration, it will cause an explosion, and many accidents caused by gas leakage in the mainland are very painful lessons.
The air outlet is cleaned.
On the one hand, there will be a lot of dust deposition in these holes, resulting in poor gas circulation, which affects the normal use of gas, on the other hand, the dust in these holes will be ignited at any time, which will burn the inside of the stove, so the result of long-term unclean combustion may cause fire due to high temperature, and the original gas will not be burned, and eventually an explosion will be formed.
The gas stove actually has a certain life after production, and it will lead to internal wear and tear after a long period of use, so it needs to be replaced at this time.
Some people heard about this and said, "I've been using the gas stove for many years, but nothing has happened?"
It turns out that this is also a certain problem, because the life of the gas stove is limited, and the use of gas will gradually deteriorate if it is used for a long time, but some people do not know this during the use process, which will cause the cost of gas to increase, and even cause gas leakage, resulting in explosion.
Gas Safety Management Regulations.
In order to better strengthen the safe use of gas, the mainland has not only issued gas safety management regulations, but also formulated the "Residential Gas Safety Inspection Regulations", and also specially issued the "Residential Gas Safety Use Periodic Inspection Standards" and other regulations.
When using gas, it is important to follow these regulations and do a good job of daily gas maintenance.
Also pay attention to the installation of gas pipelines, in the installation process must find a professional, according to the drawings of the installation, remember not to change the position on the installation drawings, once the location is changed, it will violate the provisions of the "Residential Gas Safety Use Periodic Inspection Standards", which will not only affect the use, but also affect the safety.
There is also about the use of gas cookers, the mainland also has certain regulations on the use of gas cookers, which clearly stipulates that gas cookers without brands can not be used, and gas cookers with "3 no" products can not be used, and it is also stipulated that gas cookers without flameout protection function cannot be used, so household users must buy gas cookers with brands, and gas cookers with flameout protection functions.
When purchasing, you must pay attention to the certificate of conformity of the gas cooker, and buy products with 3C certification, the quality of these products is relatively better.
In order to prevent gas leakage, the mainland also has clear regulations that the external gas supply pipeline of the gas central station, as well as the gas pipeline of the building, etc., need to carry out certain maintenance work, and if the leakage of the pipeline is found, it must be repaired in time.
The use of gas only the correct use and maintenance methods, and strict compliance with the relevant regulations of the state, can make our life better, and if the regulations are not strictly implemented, then it is easy to cause some safety accidents.
In daily life, we must do "gas safety", check and maintain more, in case of accidents, to ensure the health and safety of the family.