Features of dry freezing, the principle of operation of such freezing
The refrigerator can be called the main household appliance, which no modern person can do without. Therefore, when choosing it, you should thoroughly understand all the functional features..
Today manufacturers offer two types of refrigerators: with a drip system and with a dry freezing system, which appeared much later than its counterpart..
Let’s try to figure out what dry freezing is, its features, principle of operation, and also consider the advantages and disadvantages of this type of refrigerators.
Dry-freeze refrigerator
Features of dry freezing
Everyone has probably heard the term “No Frost” (meaning “no frost”), which is often used in everyday life for refrigeration equipment. This is the dry freezing system. So what does she mean?
The main difference and feature of the refrigerator with the function of dry freezing is the absence of the formation of “ice crust” and “snow cap” during the operation of the refrigeration device. Due to the principle of operation of refrigerators of this type, products have a more uniform and faster cooling compared to drip-type refrigerators..
The main difference and feature of the refrigerator with the function of dry freezing is the absence of the formation of “ice crust” and “snow cap” during the operation of the refrigeration device
Inside the device, a much smaller temperature jump is observed when the door is opened (no more than 2 C ° even in the freezer), while in the drip mode, the jump reaches 5 – 9 C °.
The Know Frost system does not require defrosting a household appliance. But…
There is a much smaller temperature jump inside the device when the door is opened
Remember! Disconnect and wipe the insides should be every six months. This is necessary to maintain cleanliness and hygiene and to avoid unpleasant odors..
Refrigerators of this type have a number of advantages, thanks to which they have become popular among buyers:
- air is distributed evenly, thereby ensuring the same temperature in all parts of the refrigerating chamber;
- the temperature is quickly restored to the required temperature when the door of the mechanism is opened;
- for a long time, it can maintain the temperature regime in the chambers, during a power outage, and, consequently, a temporary cessation of the operation of the refrigerator;
- no need for constant defrosting.
Dry-freeze refrigerators do not require constant defrosting
But, as in any device, in the dry freezing system, disadvantages can be noted:
- the presence of high noise during operation, due to the operation of cooling fans;
increased power consumption;
- the evaporator included in the device takes up quite a lot of volume, due to which the capacity of the chambers is noticeably reduced, despite the impressive external dimensions of the refrigeration equipment;
- the high cost of this household appliance in comparison with other types of freezing systems;
- dry air “dries” and “winds” food faster, therefore it is recommended to store them in special containers.
One of the disadvantages of such refrigerators is the high cost.
The principle of dry freezing
The dry freezing system with automatic defrosting function is a special mechanism that carries out cooling by means of a fan, which is attached to the back wall.
During the operation of the device, there is a constant circulation of air flows, therefore, the condensate appearing on the walls dries quickly, without thereby forming an ice crust..
The dry freezing system with automatic defrosting function is a special mechanism that carries out cooling by means of a fan, which is attached to the back wall.
But if the condensate still remains, then it instantly flows into the container intended for it, which is interconnected with the compressor. The constantly operating mechanism heats up strongly, due to which the condensate evaporates..
Such processes also occur in the freezer (as opposed to drip defrosting): moisture evaporates, so excess snow does not appear on the food and inside the freezer containers.
Dry freezing does not create excess snow on food and inside freezer containers.
How to choose a dry-freezer refrigerator: tips and tricks
Now any home appliance store is full of offers for the sale of refrigerators with the No Frost system..
As you can see from the above, dry freezing means that this is a special defrosting system in refrigeration units, which has its fans and opponents..
Dry freezing means that it is a special defrosting system in refrigeration units
What to look for when buying a No Frost refrigerator? Firstly, the fan makes a noise, so if you are not a fan of extraneous sounds, you should pay attention to this fact. Secondly, the power consumption is also increased. Thirdly, refrigerators of this type are much more expensive..
When buying a refrigerator, keep in mind that it is noisy and uses a lot of energy.
However, manufacturers are working hard to reduce noise and energy consumption, so you can pick up an almost silent refrigerator with a dry freeze function, which will not be too “pocket” for monthly electricity bills..
Note! With the same internal volume of “drip” and “dry” type refrigerators, the No Frost device outwardly will have larger dimensions than its “brother” with another defrosting system..
Interesting! There are refrigerators with a double system: drip – in the refrigerator compartment, and Nou Frost – in the freezer.
Also, manufacturers are adding more and more additional parameters to their devices. For example, an ice generator – for those who prefer cocktails; a cooler with water that can be poured directly from the unit door; special more chilled areas for storing chilled food. In addition, many refrigerators are equipped with a signaling device if the door is not closed tightly, as well as a control panel and door lock from small children..
Refrigerator for those who prefer cocktails; cooler with water that can be poured directly from the unit door
So, having considered all the characteristics, pros and cons of dry freezing in the refrigerator, the choice is yours. First, you need to decide on the size, dimensions and place where the future household appliance is going to live. In any case, it all depends on your preferences, price category, and the design of the device, which is suitable specifically for the interior of the kitchen, plays an important role, since there are no very strong differences in the characteristics of devices with different auto defrosting systems..
Whether or not to buy a refrigerator with a dry freezing system is up to you.
