Which brand of gas stove is good to buy? What are the tips for buying gas stove?

Introduction to the classification of gas stoves

Gas stoves refer to kitchen appliances that use gas fuels such as liquefied petroleum gas, artificial coal gas, and natural gas for direct heating. According to different standards, there are different types of gas stoves, with their own advantages and disadvantages. When purchasing, you need to choose carefully according to your own situation.

① It can be divided into two types according to the type of use: it can be divided into commercial gas stoves and household gas stoves. The logistics are distinguished by the different sizes of firepower (heat flow KW).

② There are many types of gas sources: currently there are four main types in China, (natural gas, liquefied gas, artificial gas, biogas) and so on. Different gas sources have different gas pressures, so when purchasing, you need to know which gas stove you want to buy.

③ Classification according to the structure of the stove itself: it is divided into single stove, double stove, single burner stove, multi-burner stove, desktop stove, and embedded stove.

④ According to the air inlet mode: it can be divided into two types: upper air inlet and lower air inlet. The only criterion to distinguish between upper air inlet and lower air inlet is: the primary air supply source for gas combustion is at the door or below the stove.

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Classification of gas stove panel materials

There are four main categories of gas stove panel materials, namely stainless steel panels, tempered glass panels, ceramic panels, and microcrystalline panels. Glass panel. Each surface made of various materials has its own advantages and disadvantages. Let’s find out which one is suitable for you.

① Stainless steel panel

Advantages: heat resistance and pressure resistance

In terms of heat resistance, users can place hot pots on the panel at will without using I'm worried that there is something wrong with the panel. Strength is also what stainless steel is good at.

Disadvantages: Difficult to clean and easy to scratch

After wiping with a wet rag, it is best to wipe it again with a dry rag. After a long time, the surface of stainless steel needs to be cleaned with steel wool. Once a large number of scratches appear, it is inevitable that dirt and evil will accumulate.

② Tempered glass panel

Advantages: easy to scrub

The cleaning of the tempered glass panel is similar to that of the stainless steel panel. Just take a wet rag and dip it in a little detergent. Surface oil stains can be removed. It is easier to clean than stainless steel panels.

Disadvantages: Easy to explode

The heat resistance and stability of tempered glass are not as good as stainless steel materials. If installed and used improperly, it is more likely to cause explosion. When choosing, be sure to choose products from well-known manufacturers. Professional product, please do not hit it with gravity when using it.

③ Ceramic panel

Advantages: Stable appearance and high thermal efficiency

Ceramic panel is sintered at high temperature and stamped under high pressure. It has high density, corrosion resistance and high temperature resistance. Resistant to strong impact, never discolor, easy to clean.

Disadvantages: Expensive

The price is higher, the color of general-grade ceramic panels is dull, and the decorative effect is not very good.

④Ceramic glass panel

Advantages: It has a strong decorative effect

Minimal deformation, wear resistance, corrosion resistance and thermal shock resistance. It also has a strong decorative effect, rich color and fine texture, and its beauty is far superior to granite and marble.

Disadvantages: Bubbles

Main defects include bubbles, dirty colors, holes, missing edges, missing corners, etc. Among them, bubbles are the most common.

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Introduction to the core components of gas stoves

① Burner: There are three types of burners: cast iron burner, aluminum alloy burner and copper Each of the three types of burners has its own advantages and disadvantages, so be careful when purchasing.

② Fire cover: Also called a flame distributor, it should be detachable from the stove head, and its fire hole should be rectangular, trapezoidal, strip-shaped or circular.

③ Bracket: Now there are frosted cast iron, enamel, and electroplating. The stove holder is also divided into two types: for flat pans and for pointed pots, which can be suitable for different kitchen utensils.

④ Air regulating plate: It is usually set at the primary air port of the ejector, also called a primary air regulator. It is designed to make the primary air demand meet the requirements. It can be controlled by adjusting the air regulating plate. The amount of air intake ensures an appropriate ratio of gas and injected air to maintain a normal combustion flame.

⑤ Valve body: The valve body is the switch of the entire gas stove and is mainly composed of the valve stem, body, cock (valve core), nozzle, etc. Rotate counterclockwise when opening and clockwise when closing.

⑥ Bracket: Now there are frosted cast iron, enamel, and electroplating. The stove holder is also divided into two types: for flat pans and for pointed pots, which can be suitable for different kitchen utensils. For households that frequently use sharp-bottomed pots, choose products with a smaller inner fire cover.

⑦ Flameout protection device: There are two main types of flameout protection devices: thermocouple flameout protection device and ion induction flameout protection device.

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Three major performance indicators of gas stoves

① Heat flow

Heat flow, also called heat load, commonly known as firepower; is It refers to the heat released per unit time when gas is burned in a burner (such as a gas appliance, a gas water heater, a rocket engine combustion chamber, etc.). The size of the heat flow rate is determined by the burner and is an important technical parameter to measure the performance of the burner. The national standard stipulates that gas stoves with two or more burners should have a main fire with measured heat flow ≥ 3.5kw (infrared ≥ 3.0kw).

② Thermal efficiency

Thermal efficiency refers to the percentage of heat flow actually absorbed by a cooking appliance (such as a pot) to the measured heat flow. The national standard stipulates that the thermal efficiency of built-in stoves is ≥50 and that of table stoves is ≥55. The thermal efficiency calculation formula is as follows: Thermal efficiency = actual absorbed heat flow/actual measured heat flow × 100.

③ Effective firepower

The standard for a good stove is that it must have both high firepower and energy saving. A high indicator alone cannot fully reflect the quality of a stove. Both indicators are high, which means that the actual absorbed heat flow is high, that is, the effective fire power. The effective fire power calculation formula is as follows: Effective fire power = rated heat flow (fire power) × thermal efficiency.

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Introduction to the method of purchasing gas stoves

The types and quality of gas stoves on the market are uneven. This situation makes consumers choose gas stoves. Feeling on tenterhooks at times. How to choose a qualified gas stove, the editor will reveal the secrets for you one by one.

① Choose stoves according to the gas type in the community

Domestic stoves have three gas sources: natural gas, liquefied petroleum gas, and coal gas, and the heat of natural gas, artificial coal gas, and liquefied petroleum gas The value and gas pressure are different, so the stoves will have different objectives. Before buying a stove, you need to know clearly what kind of gas is used in the community to avoid buying the wrong product. Generally, it can be judged by looking at the product model of the stove, such as JZ-2Y-A stove, J stands for household, Z stands for stove, 2 stands for two-burner stove, and Y stands for liquefied petroleum gas. If the letter is R, it represents artificial gas, and Z represents natural gas.

② Choose the burner according to your family’s cooking habits

The number of burners determines how many meals can be cooked at the same time. If you have to cook a lot of food, steaming rice, making soup, stewing, and stir-frying all at the same time, then the more burners the better. Generally, single-burner stoves are more suitable for single people living alone; double-burner stoves are the mainstream products on the market, and most families choose double-burner stoves; three-burner stoves and above are suitable for families with a large population or sophisticated cooking.

③ Choose the appropriate ignition method

There are two main ignition methods for stoves, namely electronic pulse type and piezoelectric ceramic type. Both methods have their own shortcomings. The electronic pulse type requires a battery or external power supply to be installed at the bottom of the stove. It is easy and fast to use and has a high ignition success rate, generally above 90%. The piezoelectric ceramic type does not require a battery or external power supply and is powered by Press the button once, and they will impact each other under pressure to generate high-voltage electric energy, which will break down the electrode gap to form an electric spark. This method can only eject one electric spark at a time, and the ignition success rate is about 70%. If the usage rate of the stove is high, the electronic pulse type should be chosen; if the usage frequency is low, the piezoelectric ceramic type should be chosen.

④ Selection of stove panel materials

The panel materials of stoves generally include stainless steel, tempered glass and ceramics.

These three materials have differences in appearance, hardness, scrub resistance, service life and ease of cleaning. Generally speaking, aesthetics: tempered glass gt; ceramics gt; stainless steel; durability: stainless steel gt; tempered glass = ceramics; Easy to clean: tempered glass; ceramic; stainless steel. Owners need to choose according to their own needs.

⑤ Pay attention to the protective device of the stove

If the stove does not have a protective device, it is easy to cause gas leakage due to accidents, causing fires, poisoning and other accidents. Therefore, when purchasing, special attention should be paid to this aspect of stove products. Generally, good stoves need to have an automatic flameout protection device that automatically cuts off the gas source after the ignition is extinguished; there should also be a gas leakage alarm device. Once a gas leak occurs, the stove can automatically make a sound.