Is it safe to use a pressure cooker? Hazards of long term use of pressure cookers

As long as the pressure cooker is used correctly, there is no major safety problem.

Caution is required to use a pressure cooker safely:

Do not put a rag or anything else on the pressure limiter, as this may cause the pressure limiter to become blocked, which may fail and cause an accident.

Before using the pressure cooker, check whether the lid is sealed, whether the exhaust system is smooth, and whether the pressure limiting valve is in place.

The food in the pot should not exceed 4 5 of the capacity (including the height of the liquid level), and it is best not to exceed 2 3 for cooking beans, so as not to cause expansion due to gas production caused by steaming, and block the exhaust hole, and the food in the pot should not be too little.

In addition, the rubber gasket should be checked for aging. The use of rubber seals will age over time. The aging and leakage of the rubber ring is easy to make the pressure cooker, so it is necessary to update it in time.

The lid and body of the pot must be matched with the original or the model, and the pressure cooker with the lid and the body of the pot cannot be used, otherwise it is very easy to be dangerous.

You can't open the pressure cooker halfway, let the pressure cooker cool properly before opening the pressure cooker after cooking food, and it is not appropriate to open the pressure limiting valve immediately, you can use cold water to flush the lid of the pot to reduce the temperature quickly and reduce the pressure, and wait until the pressure limiting valve has no airflow to open the lid.

It is safe to use a pressure cooker, but there are some problems with improper usage.

Precautions: Pressure cooker.

Pressure control safety device: It can automatically cut off the power when the set pressure is exceeded during use.

Pressure relief safety device: When the pressure limiting safety device fails, the air pressure in the pot exceeds the safe value, the pressure relief mechanism plays a role to make the inner periphery of the pot automatically exhaust and relieve pressure to ensure that there will be no explosion accident.

Pressure limiting safety device: When the air pressure in the pot increases to the upper limit, the pressure limiting air release valve will automatically discharge and limit the pressure.

Power-off memory protection device: When the power is cut off or the power cord is unplugged and a new call comes in, or the power supply is connected, the setting function before the power failure can be automatically continued.

Temperature limiting safety device: When the temperature in the pot rises to the limit, the power supply will be automatically cut off.

Anti-clogging safety device: prevent food from clogging the exhaust valve and ensure that the exhaust valve is unobstructed.

Safety device for opening and closing the lid: When the lid and the pot body are not fastened properly, the air pressure in the pot cannot rise. When the air pressure in the pot is higher than the safe value, the lid cannot be opened.

Over-temperature safety device: When the pot is empty or the temperature in the pot exceeds the set safety value, the power supply will be automatically cut off.

Long-term use of pressure cooker has certain hazards, the service life of the pressure cooker is 5 years, long-term use of pressure cooker, the pressure resistance of the pot body and related parts will be significantly reduced. The gas outlet of the pressure cooker needs to be dredged frequently, and the sealing rubber ring needs to be replaced regularly, and the pressure cooker sealing rubber ring will be aged and relaxed after one or two years of use, and there are certain safety hazards.

A pressure cooker, also known as a pressure cooker or pressure cooker, is a type of kitchen cooker. The pressure cooker elevates this physical phenomenon by the boiling point of the liquid at higher air pressure, exerting pressure on the water so that the water can reach a higher temperature without boiling, thus speeding up the efficiency of cooking food.

A pressure cooker can be used to heat cooked food to more than 100 degrees Celsius, and at high altitudes, the pressure cooker can avoid the problem of low boiling point of water and difficulty in cooking food.

There are many advantages to using a pressure cooker, not only the cooking time is short, but the cooked food tastes good, especially the meat that is not easy to cook becomes easy to cook, and it tastes good.

Pressure cookers may cause injury, so they are more dangerous.

Hazard Analysis of Pressure Cookers:

The air pressure inside the pot is greater than the outside atmospheric pressure, which raises the boiling point inside the pot. When raised to a certain temperature, one of the metal pieces of the cap reaches the melting point and melts, leaving the pot unsealed and the air pressure "returning". The danger is that there is a problem in the melting process, so that the air pressure in the pot is too large, and the air flow will push the lid out.

Precautions for using a pressure cooker:

1. Before each use, carefully check whether the exhaust hole of the pressure limiting valve is unobstructed (can be cleared with a toothpick), and keep the anti-blocking cover clean.

2. The pot should not be overfilled with food, generally not more than four-fifths of the height of the pot. For foods that are easy to swell (such as kelp, mung beans, corn, etc.), it should not exceed half of the body of the pot.

3. When closing the lid, mark the lid of the pot and the body of the pot and completely buckle it. Stop when you are in place, and don't overwrench your head too hard.

Fourth, after the cover is heated, see that there is more steam discharged from the pressure-limiting exhaust hole, and then buckle the pressure-limiting valve cover.

5. When the pressure limiting valve is working, the balance rubber adjusts the heat to reduce the heat and keep the pressure valve can move slightly.

6. Before opening the cover, the cover can only be opened after the pressure is completely reduced, that is, the valve core of the protection device is lowered and reset. Do not force the handle.

7. The general pressure cooker stipulates that the safe service life shall not exceed eight years.

The pressure cooker is a must-have kitchenware in almost every household. The porridge boiled in a pressure cooker is particularly soft. The soup cooked in a pressure cooker is particularly fresh, and the pressure cooker has a short cooking time and fast speed, but there is a certain danger of divine dust, so it should be used with caution.

The pressure cooker is one of the most frequently used kitchen utensils on weekdays. Cooking in a pressure cooker is convenient and fast, but if it is not used properly, there will be great risks, such as causing disasters, etc.

Pressure cooker exhaust method:

Exhaust method after the use of pressure cooker: after cooking, it can be naturally cooled at room temperature, if you want to eat immediately, you can use the forced cooling method (that is, drenched with water or immersed in water) to reduce the pressure, after cooling, you can easily put forward the pressure limiting valve to release the remaining gas.

Key points for safe use of pressure cookers: Do not put a rag or anything else on the pressure limiter, as this may cause the pressure limiter to become blocked, which may fail and cause an accident. Before using the pressure cooker, check whether the lid is sealed, whether the exhaust system is smooth, and whether the pressure limiting valve is in place.

Temperature limiting safety device: When the temperature in the pot rises to the limit, the power supply will be automatically cut off. Anti-blocking safety device:

Prevent food from clogging the exhaust valve and ensure that the exhaust valve is unobstructed. Mega Beat Safety Device for Opening and Closing the Lid: When the lid and the body of the pot are not fastened properly, the air pressure in the pot cannot rise.

When the air pressure in the pot is higher than the safe value, the lid cannot be opened. Over-temperature safety device: When the pot is empty or the temperature in the pot exceeds the safety value set by the family, the power supply will be automatically cut off.

There is no danger in the normal use of pressure cookers, unless the use method is wrong, or the product is not qualified to be dangerous. However, if it is not used properly, when the food is just cooked and transferred to heat preservation, it accidentally touches the exhaust valve, which will instantly spray a large amount of vapor, which may cause burns to people, which is quite dangerous.

When using the pressure cooker, check whether the exhaust hole is unblocked, whether the hole under the safety valve seat is blocked by residual rice grains, if it is blocked by food, the power supply should be unplugged, and the air hole should be cleaned after cooling.

When using a pressure cooker, the handle of the lid must be consistent with the indication sticker of the pot body before you can start cooking food, and do not increase pressure without authorization.

When using a pressure cooker to store food ingredients, the capacity should not exceed four-fifths of the contents of the pan, and if it is a food that is easy to expand, such as beans, it should not exceed two-thirds of the volume of the pan.

There are a few things to keep in mind when using a pressure cooker safely:

1. Cleaning: The lid, body and handle of the pot should be cleaned before each use, so that the lid can be closed. For new pots that have not been used, the sealing ring is more elastic, and a small amount of food oil can be added to the top and bottom of the pot body to facilitate the initial opening and closing.

2. Ingredients: Food and water should not exceed four-fifths of the capacity of the pot, and water or soup should not be less than 400ml.

3. Close the cover: Before closing the cover, check whether the exhaust pipe is unblocked, the anti-blocking cover is clean, whether the safety valve is in good condition, and whether the float moves up and down freely, and is in the falling position. Put the lid of the pot on the body of the pot to fix the pot body, rotate the lid until the upper and lower handles are completely overlapped, and then move to the working position, and the float valve has been completely exposed.

4. Heating: After closing the lid, you can use a strong fire to heat, when a small amount of steam is slowly discharged from the exhaust pipe, the pressure limiting valve is buckled to the exhaust pipe, and then the float will rise, until the exhaust pipe "hisses" exhaust, the furnace temperature can be appropriately reduced, and the exhaust can be kept until the cooking is completed.