Nothing is safe! Don't use such a gas stove!

Living at home, safety is no small matter. The kitchen that is most likely to cause a safety accident at home is the kitchen. When it comes to the kitchen, it is necessary to talk about the gas stove. The use of unqualified gas stoves can easily lead to gas leakage and even explosion accidents, endangering personal safety. So, which type of gas stove is the most prone to problems?

Damaged gas stove

In the process of using the gas stove, it is inevitable that damage will occur. If there is rust or deformation, such a gas stove must be replaced, because the internal requirements of the gas stove are very high. If the deformation or pipe damage occurs, it may cause air leakage. And even an explosion.

2. Gas stoves over the age

Under normal circumstances, the gas stove should be fully updated after 6 years of use. The intake valve, pulse valve and ignition knob should be replaced every other year during use. If your gas stove has exceeded the 8 year life limit set by the state, it must be replaced.

3. Gas stove with insufficient design of materials

Part of the tempered glass gas stove bursts, mainly because the unstable nickel sulfide in the glass can not adapt to the temperature difference. If such a gas stove is equipped with an induction cooker, there is a danger of electric shock.

4. Cottage gas stove

A small number of households purchase gas stoves are purchased at roadside stalls or small stores, many of which are from the cottage brand, or no brand. If the product has problems in use, it is difficult to find the merchant repair and compensation.

How to choose a safe gas stove?

Gas source

The first thing to know is whether the gas source used in your home is natural gas, artificial gas or liquefied petroleum gas. Take the domestic gas stove of model JZ12T.2-A as an example, J stands for household, Z stands for stove, 2 stands for two-eye stove, T stands for natural gas, if letter T is replaced by R, it means artificial gas, if letter T is changed to Y It is representative of liquefied petroleum gas;

Steel plate thickness

Consumers should also pay attention to the thickness of the steel plate on the surface of the cooker when purchasing. Some cookware steel plates are thin and easy to deform; the thermal efficiency of the swirling fire and infrared cooker is relatively high, which can save gas; the cooker with flameout protection device has higher safety. When the flame is extinguished by the wind or water, the gas can be automatically cut off; the household gas stove with pulse ignition is used, and the ignition rate is high; when the user uses the domestic gas stove, the damper should be adjusted first, so that the flame when the stove is burning is blue. Clear and without flames.

Pay attention to fire and temper

Consumers should pay attention to the fact that if the stove is still being fired (the flame is completely or partially removed from the burner hole), the tempering (the phenomenon that the flame burns inside the burner) and the yellowing of the flame, The stove has quality problems.

Packaging and labeling should be complete

The package should be marked with the name of the factory, the site, the model, etc. Each cooker should have a certificate of conformity and instructions for use. The side panel of the cooker should have a nameplate with the name, model, applicable gas and pressure, heat flow and production date on the nameplate.

Proper heat flow

The larger the heat flow value of the domestic gas cooker design, the stronger the heating capacity, that is, the fire that is usually mentioned. The average consumer is willing to choose a fire stove. In fact, the heat flow should be compatible with the cooking method and the cooker. For example, the pursuit of large heat flow will greatly reduce the thermal efficiency of the cooker and increase the waste smoke emission.

Appearance Quality

The cooker should be beautiful and generous, press the table handle by hand, no obvious warp; hold the cooker with two diagonally back and forth, and the stove has no obvious deformation. The panel material shall not use tinplate (the magnet can be used to distinguish between tinplate and stainless steel), and the burner and the fire cover should be processed fine without obvious burrs.

Air tightness

If the airtightness of the cooker is unqualified, it is a fatal defect, which is the biggest hidden danger of the accident of the cooker. The simple test method is as follows: turn on the gas source, turn off the knob, brush the pipeline, valve body and interface with soap, no gas leakage.

Ignition Switch

The ON (ON), OFF (0FF), and small fire positions are marked accurately. When the electronic ignition switch is pulled, the sound is crisp and powerful, and the fire point is blue and clear. If the switch is soft when it ignites and the sound is boring, it is inferior. The service life of the qualified ignition switch is more than 6,000 times, and the airtightness of the cock is still qualified. The inferior igniter has a lifetime of only 2,000. The qualified product is continuously ignited 10 times, the number of ignitions shall not be less than 8 times, and all fire holes shall be transmitted all within 4 seconds.

Flame burning state

It is an important manifestation of the quality of cooking appliances. After ignition, adjust the damper, can adjust the clear outline, a light blue flame, can not produce yellow flame, black smoke, tempering and other incomplete combustion phenomenon, these phenomena directly affect the thermal efficiency of the cooker and smoke quality. Close the small gas source, keep the small flame of 1/3 height of the normal flame, still burn normally, do not turn off the flame, do not temper.

Cooking surface material

The cooktop materials are mainly made of stainless steel and tempered glass. The stainless steel cooktop material is firm, smooth and beautiful in appearance, but the surface finish will be worse after long-term use, and the stain is difficult to clean, and it is easy to leave a mark. At the same time, the thicker the stainless steel cooktop, the better, the thickness of the stainless steel plate used for the cooker panel should not be less than 0.3mm. At present, the thickness of the stove surface sold on the market is mostly 0.4mm, and some parts reach 0.5mm, while the thickness of the stove surface of some inferior products is less than 0.3mm. It is easy to collapse in use and easily cause personal injury. When you purchase, you can press the stove surface a few times to see if the steel is good or not. If you press the up and down, the stove with the collapse of the sound is best not to buy. Secondly, at the metal edge around the cooker, the metal disc around the fire hole should be gently touched by hand. If it is smooth everywhere, it is safe to use when cleaning. If you feel a little rough, use it. It is easy to scratch your hands during cleaning. The glass cooktop is beautiful and easy to clean. It is easy to be bright and bright after long-term use. However, if you buy inferior products, it will easily burst into the glass during use.

Burner

The material of the burner is mainly made of stainless steel, cast iron and copper forging. Because the burner is prone to deformation due to the fire for a long time, the material and thickness of the burner are very important. Under normal circumstances, the heavier the burner, the better.

Firepower

The Chinese cook mainly on stir-fry, and at least one burner is required to meet the demand for stir-fry, that is, the heat flow is generally selected from 3.6 kW to 4.2 kW, and the other fire eye can be selected below 3.6 kW. For steaming, boiling, and soup use.

Fire cover shape

Now the gas cooker is divided into a direct fire cover and a rotating fire cover according to the shape of the fire cover. Generally, the rotating fire cover is more efficient in burning and has a higher firepower, which is suitable for stir-fry. However, the content of carbon monoxide in the rotating fire smoke is easy to exceed the standard, while the direct fire cover has a relatively uniform firepower, and the carbon monoxide content in the flue gas is generally not easy to exceed the standard.

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