The type of drying in the dishwasher, which one to choose and which one is better - condensation, zeolite, turbo drying, convection, intensive, intelligent

Household dishwashers differ in many parameters: dimensions, the ability to be built into kitchen furniture, the design of the washing device, and the filling capacity. Equally important in a dishwasher is its ability to dry dishes quickly. In this article, we will talk about what types of drying are in dishwashers, how they differ, and with which type of drying it is better to choose a dishwasher.

What types of drying are there in dishwashers, and why are they so important in work

Housewives often wonder about the possibility of drying dishes directly in the machine, as this allows take out all the cutlery, plates, glasses, etc. and immediately put them in the closet, put them beautifully on the shelf. There are 6 types of drying, differing from each other in design features, efficiency, economy.

Condensing

Condensation drying was among the first methods to be developed and attracts manufacturers with its simplicity and efficiency. The design of the condensation dryer practically does not affect the cost of the machine, since elementary laws of physics work to dry the contents of the machine. This method also has almost no effect on the costs of resources during operation, but due to the optimization of the chamber and the placement of dishes in it, a high level (class) of drying is ensured. Therefore, in most models, this drying method is still the most common.

Dishwasher condensation drying is a natural process based on the laws of physics, or rather, the transformation of water under the influence of high and low temperatures. Its principle of operation is as follows. In the final phase of washing, very hot water is dispensed into the dishes. The air temperature rises in the machine itself. At the same time, the side walls of the chamber are doused with cold water from the inside and therefore remain cool. This will evaporate the water from the surface of the cookware. The steam, settling on the cooled metal walls of the storage tank, condenses into water, flows down the walls into the sump and then into the sewer.

Condensation or condenser drying is used by almost all manufacturers in models of economy and business price levels.

The manufacturer and the UK company Maunfeld, using this type of drying in their models, has improved it by adding a fan. Thanks to this device, dishes dry much faster. The developers called their improvement extra-drying.

Convection

Convection drying is the next type of design used in dishwashers. It already involves the addition of additional units, such as heating elements and a fan, which require increased energy consumption during operation, but the drying rate of the dishes increases. This is because the heating element heats the air in the machine, and the fan directs it towards the dishes. The convection method of drying dishes in the PMM is also called turbine, or turbo-drying.

Intensive

Intensive, or active drying can be put in second place in popularity - it represents is an intermediate method between condensation and convection methods of drying dishes in car.

With this type of drying, there is a heat exchanger, inside of which cold water circulates. The fan is not built in here. The air heated by the heating element moves up, bumping into the cold structure of the heat exchanger, the air cools and rushes down. Thus, there is a natural circulation of air, a kind of draft that literally blows away drops of water from the dishes. Of course, with this method, the dishes are dried more slowly than with turbine drying, but the energy consumption does not increase. Intensive drying is installed on a number of models Korting, Bosch, Siemens,

Thermal or active drying

Thermal drying was developed by American manufacturers. The drying efficiency is high, the dishes with this drying method dries quickly, but requires increased use of electricity. Therefore, thrifty Europeans abandoned this method in favor of less efficient but more economical methods.

The essence of thermal drying is as follows: a heating element is placed at the bottom of the machine, which increases the temperature of the air inside the chamber. The water evaporates and is discharged from the chamber through the ventilation hole.

Zeolite

The zeolite drying method has an interesting design. This method was first used by Bosch und Siemens Hausgeräte GmbH (BSH), for which it received the 2010 Utopia Award in Berlin. The company has been recognized for developing environmentally friendly technology.

Zeolite is a volcanic mineral. In the national economy, he has earned recognition for the following properties:

• able to disinfect;
• inhibits the growth of mold;
• absorbs water;
• eliminates unpleasant odors and toxins.

The mineral has another amazing property: by absorbing water, it heats up. Therefore, its name is translated as "boiling stone". The developers used this ability in their units.

The mineral is embedded in the pallet. On the one hand, it absorbs water, thus drying the air in the car, and on the other hand, by heating itself, the mineral heats up this very air, prompting it to move faster. The insertion of the mineral into the pallet affects the price of the unit, but does not increase the energy consumption, which is important for the daily operation of the machine.

Zeolite drying in their models is used by BOSCH, Siemens, NEFF. The mineral is not cheap, therefore zeolite drying is used only in expensive, luxury models.

Intellectual

Intelligent drying appeared relatively recently and has not yet gained widespread use. The essence of smart dish drying is a smart sensor that adjusts the temperature inside the chamber depending on the room temperature.

If the room is cool, the temperature inside the camera is higher.. If it is hot in the kitchen, as it happens in summer or when the gas stove is on, the sensor lowers the air temperature inside the storage chamber. True, it is not entirely clear how the air temperature in the kitchen can affect the drying of the dishes in the unit chamber.

Important. Some premium models have automatic door opening at the stage of drying dishes. Additional circulation of external air speeds up the drying process.

Drying classification according to its efficiency

All types of drying in PMM are divided by efficiency and speed into classes. Manufacturers have adopted 7 drying classes, each of which is marked with a letter of the Latin alphabet.

Probably earlier, when dishwashers were just beginning to enter our lives, the quality of dish drying left much to be desired. The producers were delighted to have partially removed the water from their plates, glasses and cutlery. But they kept working to achieve perfect drying.

And if in the indexing index 2 is taken as the ideal level of drying, then the absence of drying is marked with a value of 0. The letter A marks the highest level, which gives practically dry dishes. Thus, drying, in which half of the moisture remains, is marked with the number 1. For class A, the indicator is taken at which more than 54% of moisture is removed from the dishes. For class G, the value is taken when less than 16% of moisture has been removed from the dishes, that is, plates, cups and cutlery require additional drying.

According to Russian GOST 30147-95, the quality of drying dishes, which takes up to 30 minutes, is classified as follows:

• dry, when the dishes are perfectly dry, there are no drops or smudges left on them;
• mediocre drying, when 1 wet strip and no more than two drops are found on it (corresponds to index 1);
• damp when there are more than 2 wet stripes or more than 2 drops on the dishes and water remains at the bottom of the glasses.

PMM comes to Russia with drying class A and B. Level B corresponds to the index 0.86 - 1.08. That is, the machine removes 43 to 54% moisture from the washed dishes. Machines with a lower level of drying are no longer produced and are not in demand. Housewives do not want to additionally rub the dishes with a towel and choose the units with the highest efficiency.

Which drying is best

If the buyer has enough money to buy the best model of the best, then definitely the choice should be made in favor of zeolite. The built-in mineral does not require additional costs, does not deteriorate and will perform its task as long as the machine itself works.

If there is not enough money for an expensive model and you want it to be "cheap and cheerful", you should choose a model with a condenser type of drying. Such machines are not capricious in operation, they are produced in the middle and budget price segments and do not require extra energy resources. At the same time, the PPM with a capacitor mechanism provides the result of drying at the level of class A.

If you want the machine to dry quickly and well, turbo-drying should be preferred. True, you will have to forget about saving. Fan operation requires additional energy consumption.

Conclusion

This article covers a wide variety of drying methods. Knowing about the peculiarities of dish drying technology, readers will draw conclusions for themselves and decide what they want. The opinion of people who already use the dishwasher will help to make the right choice.

Although, reading the reviews, you understand: how many people, so many opinions. One user who wrote in Otzovik advocates zeolite. This tumble dryer really looks attractive. On YouTube, under a video about dryers in PMM, a review was published in which the user complains that the heat transfer from the stone was so high that the unit literally burned out and went out of order. User Lyudmila, advises to pay attention to the water hardness if the machine does not dry very well. After using emollients, the effectiveness of zeolite drying increased significantly.