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Home»Electric»What is a freezer? How many types? Which should I buy?
Electric

What is a freezer? How many types? Which should I buy?

Technology ExpertBy Technology ExpertJune 20, 2020No Comments9 Mins Read
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Currently, there are various types of freezers in design, style, size and price. In the following article Mobile World will outline the types of freezers currently on the market, the advantages and disadvantages of each and the type that suits your needs.

Contents hide
1. What is a freezer?
– Define
– Structure of the freezer
– Operation principle
2. The type of freezer popular on the market today
– Freezer for civil use
– Freezer industry
– Freezer is equipped with freezing technology
3. What kind of freezer should I buy?

1. What is a freezer?

– Define

Freezer is household appliances used for cold storage including an insulation chamber and a heat pump system that transports temperatures from inside the chamber.

With temperature below – 18 degrees Celsius that freezer provides, bacteria cannot grow from which freezer can preserve and ensure food quality in the long run.

Freezers are household appliances

– Structure of the freezer

Here is the basic structure of a freezer:

+ Cabinet door

Freezers located are equipped with open doors like suitcases. Freezers are designed to open the front door like a refrigerator. Insulation gaskets is surrounded by the cabinet.

Door of the freezer

+ Insulation system

The insulation system helps the surrounding high temperature do not penetrate into the cold chamber. In other words, this system prevents the exchange of air inside and outside the freezer.

Insulation system prevents air exchange

+ Outdoor unit – indoor unit

Outdoor play the role of radiating heat to the environment outside the cabinet. This is where the high pressure of the compression pump causes the refrigerated gas to liquefy and radiate heat into the environment.

The temperature of liquid cold gas will be almost equivalent to the ambient temperature after passing through the outdoor unit.

Outdoor unit - indoor unit of the freezer

Cooler is to act as a heat collector outside the cabinet. This is where the cold liquefied gas from the outdoor unit goes through the throttle valve system to evaporate. This means that the liquid gas will no longer be compressed and evaporates quickly.

During evaporation, the gas draws heat and then cools the space inside the freezer.

+ Compressor

Compressors, also known as engines, cyclones help compress cold gas (refrigerant) at high pressure to cool liquefied gas.

The liquefied cold gas heats up a lot due to the heat generated through this compression process. The liquefied gas then passes through the condenser, where the temperature from the cold gas radiates to the outside environment.

Compressor of the freezer

Compressor rotor or compressor 1 or 2 cylinder piston is the type of compressor used a lot.

Civil freezers are commonly used 1-cylinder piton machines.

+ Gas

Gas R134a, and R600a are the kind gas Commonly used in most chillers. Besides, there are other types of gas R22 and gas R410a.

Types of gas used for freezers

– Operation principle

The freezer operates on the principle of easy liquefied refrigerant (refrigerant). Gas in the form of gas will turn into a liquid state and generate heat after being compressed by the compressor under high pressure.

Through the outdoor unit, radiant heat will be dissipated into the surrounding environment. When the pressure drops, the liquid gas will turn into a gas state and absorb the surrounding heat in the indoor unit.

2. The type of freezer popular on the market today

– Freezer for civil use

+ Freezer stand

The freezer looks quite similar to a refrigerator with a design with a front door and separate compartments.

Some freezers stand:

+ Sanaky freezer VH-230HY

+ Freezer ALASKA 210 Liter IF-21 O1A

+ Freezer Mitsubishi MF-U12B 122L

Freezer stand

Advantages:

Compact, space-saving design with front door open.

Easy to manipulate and divide food through separate compartments

Defect:

Limited with small compartments, it makes it impossible to store large or heavy food.

+ Freezer is located

Freezers usually have 1 or 2 compartments, and hanging baskets can be easily removed. With this design, users can flexibly utilize the space of the freezer.

Freezer located

● 1 freezer compartment, 1 cool compartment

Freezer is designed 2 compartments. Each compartment has separate doors and glass doors above. Freezer compartment with temperature below minus 18 degrees Celsius and 1 compartment cool from 0 – 10 degrees Celsius.

Some freezers 1 compartment, 1 compartment cool:

+ Sunhouse 255-liter freezer SHR-F2362W2

+ Sanaky freezer 260 liters VH-3699W1

+ Kangaroo Freezer 252 liters KG 400NC2

Freezer has 1 freezer, 1 cool compartment

Advantages:

Can be flexible in using cabinets for a variety of foods. The freezer compartment for vegetables, freezer compartment for fresh food.

Defect:

The space of the freezer compartment is partly limited due to the freezer compartment. Food stored in the freezer is limited.

● 1 freezer compartment

This type of freezer is designed Only 1 freezer temperature below minus 18 degrees Celsius, there may be one or more cabinet doors.

Some freezers have 1 freezer:

+ Sanaky Freezer Inverter 761 liters VH-8699HY3

+ Sanaky freezer 410 liters VH 5699HY

+ Kangaroo 248-liter freezer KG308C1

Freezer has 1 freezer

Advantages

Can contain foods that need to be frozen in different sizes.

Defect

There is no cool compartment to preserve fruits and vegetables for immediate use and to aid defrosting.

● 1 soft freezer compartment, 1 freezer compartment

Freezer is equipped with soft freezer maintained at – 5 ° C and 1 freezer compartment below minus 18 degrees Celsius.

Freezer has 1 soft freezer, 1 freezer:

+ Kangaroo 252 liters KG 408S2 soft freezer

Freezer has 1 soft freezer, 1 freezer

Advantages:

Suitable for many different needs of users.

Save time when making food because the food in the freezer compartment does not harden into ice, so you can cut it easily when taking food out of the freezer.

Defect:

Space of the freezer is partly limited due to the soft freezer compartment. Food stored in the freezer is limited.

+ Mini freezer

Mini freezers are often used in households, with small capacities approx from 100 liters to 250 liters. There are both vertical and horizontal types, 1 freezer or 1 freezer and 1 freezer compartment.

Some mini freezers:

+ Mini freezer Hoa Phat HCF 106S1ĐSH 100L

+ Mini freezer 100L Sanaky VH-1599HYKD

+ Mini freezer Aqua AQF-C210 110 liters

Mini freezer

Advantages:

Save kitchen space.

Low price.

Defect:

Designs are not diverse.

The size is quite small so it cannot contain much food.

Modern features such as deodorant, antibacterial, etc. are sometimes not equipped or not good quality due to their low price.

+ Freezer with glass surface

Soldier freezer, also known as ice cream cabinets, is available tempered glass curved or flat. In addition, to ensure that the glass does not freeze, this freezer is equipped with a glass drying system.

Some freezers with glass:

+ Sanaky freezer 500 liters curved glass VH-8088K

+ Freezer Glass Slide SK Sumikura 300 Liter – 500 Liter

+ Curved glass freezer ALASKA SD-601B (600L)

Freezer with glass surface

Advantages:

Satisfying the needs of both preserving food and displaying products of supermarkets and shops.

Saving electricity, using modern antibacterial technology.

Defect:

The price is quite expensive compared to normal freezer.

Long-term use of the glass will cause snow.

– Freezer industry

Industrial freezer is a type of freezer with large capacity, temperature level from -21 degrees Celsius to -12 degrees Celsius and equipped with automatic control as well as fan cooling.

Some industrial freezers:

+ Freezer Sanaky 950 Liter VH-1099W

+ Fushima Freezer 2 Mode 1000 liters

+ Freezer 4 wings stainless steel Berjaya BS4DUF / Z

Industrial freezer

Advantages:

Store food quantities more and longer than conventional refrigerators.

Designing separate compartments should prevent mixing of odors.

Cool quickly, ensuring freshness of food.

Defect:

Takes up a lot of space due to its large size.

Preserving only fresh foods such as meat, fish, seafood, etc. cannot preserve vegetables.

– Freezer is equipped with freezing technology

+ Freezer

Freezers are usually the type of freezers cooled by conventional compressors. This is a type of cabinets that many people choose because of its low price.

Some freezers usually:

+ Sunhouse 255-liter freezer SHR-F2362W2

+ Sanaky freezer 260 liters VH-3699W1

+ Kangaroo 212 liter KG 328NC2 freezer

Freezer usually

Advantages:

Good price.

Stable operation.

Defect:

Consume a lot of electricity.

The service life is not as long as the cabinets that use modern technology, such as inverter freezers.

+ Freezer is equipped with soft freezer compartment

A freezer compartment is an airtight design compartment that helps food stored in a freezer not completely freeze but only freezes the surface.

Freezers equipped with this technology freeze food at a variety of temperatures. Foods stored in soft freezer compartments temperature -3 degrees Celsius average storage about 7 days.

Food can be stored more than 7 days with cabinets –7, -8, -21 degrees Celsius or it can only be stored during the day with -1 degree Celsius depending on the different types of freezers.

Some freezers are equipped with soft freezer compartment:

+ Kangaroo 252 liter freezer KG 400DM2

+ Kangaroo 212 liter KG 328DM2 soft freezer

+ Kangaroo soft freezer 252 liters KG 408S2

Freezer is equipped with soft freezer compartment

Advantages:

Cook immediately without thawing.

Save cooking time.

Defect:

Food storage time is short.

High price.

+ Freezer equipped with Inverter technology

Inverter technology is the inverter technology used on household electrical appliances such as, freezers, refrigerators, air conditioners, …

Freezer with Inverter technology will be equipped inverter compressor instead of a regular compressor.

Some freezers equipped with Inverter technology:

+ Sanaky Inverter freezer 280 liters VH-4099W3

+ Sanaky Inverter Freezer 761 liters VH-8699HY3

+ Kangaroo Inverter 252 liters KG 388NC2

Freezer equipped with Inverter technology

Advantages:

Power saving up to 30 – 50%.

Fast cooling speed, good cold transmission.

Stable operation, no noise.

Durable.

Defect:

Product price is expensive.

The cost of repairing if the equipment is broken is quite expensive.

+ Antibacterial freezer, deodorant

Antimicrobial technology in the freezer has the ability to attack the taste of bacteria, destroy their cells, minimize the bacteria and mold growth. This technology also produces highly active oxygen both in water and air.

Antibacterial freezer will use antibacterial technologies such as Ag Clean, Nano Silver, .. help eliminate unpleasant odors from food, and protect food from the growth of bacteria, mold.

Some antibacterial freezer deodorize:

+ Kangaroo 140 liter KG 265NC1 freezer

+ Kangaroo freezer 284 liters KG 418C2

+ Kangaroo 228 liter KG 298C2 freezer

Antibacterial freezer, deodorant

Advantages:

Helping the product retain its freshness and flavor.

Bring clean air to the freezer.

Defect:

The price is quite high

3. What kind of freezer should I buy?

If you want to choose a freezer for business, you should choose a freezer with glass, equipped with energy-saving and antibacterial technologies, and especially your customers will see the product inside the freezer.

Please choose the equipment that suits your needs

If you want to buy cabinets for family use, you should choose mini freezers often if you want to save money on buying products.

For many families, you can choose a freezer with a large enough capacity, equipped with soft freezer compartment to use because the food taken out during processing will not need to wait for the time to defrost, save cooking time.

Wish you can find the product you want.

Technology Expert
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