Stoves
The stove for Russian banya has no analogues in the world. Just the construction of the stove differs Russian banya from all the other baths of the world. Only Russian banya stove enables to prepare transparent dry steam with relative humidity of the air about 70%.
You cannot buy Russian banya stove in the shop. It can be
constructed only on site because it is built of bricks and weighs 3,5-4,5 tons.

The figure illustrates a simplified construction of the stove.
Stones for evaporation of water are installed inside the stainless steel box.
The box has a door for throwing water in. Under the box there is a heater. The
box is lined with brick from all sides. Between the box and bricks there is an
air gap for passing of smoke gases heating the box from all sides. There are
channels for smoke gases also inside the box for fast and more uniform heating
of stones. Thus smoke gases don't pass through stones. Besides that the box has
a special channel for heating of dry air.
Firewood, gas or electricity could be used as an energy
carrier. When using electricity, heating elements are situated inside the box.
The complete of the electric stove includes a control block which protects
heating elements from overheating and gives a signal that a stove is ready for
use when the stones are heated enough. There is also a timer which defines
waiting time till switching on, time of the stove heating (4-6 hours) and time
of the heated stove operation.
All types of stoves retain constant temperature of stones about 800°C (electric stoves about 600°C), so after adding of water stones don't get cold.
The stove functions in the following way:
First after switching on the stones are heated, and
simultaneously regulated heating of dry air takes place in the steam room up to
40-60*C. Then after stones and the steam room have been heated one can start to
prepare steam. They open the door for adding water and throw hot water onto
stones by small portions about 100 grams each one. Simultaneously they disperse
the air in the steam room with the aid of special fans or sheets. When desirable
conditions are achieved, they cease to disperse the air with fans but continue
to throw water onto the stones in order to accumulate the reserve of hot steam
under the ceiling. Then the door for adding water is closed. The stove needs
only several minutes to regenerate hot temperature.
At the beginning of this period the people are sitting and
heating themselves, then they start to steam with veniks. Now it's nice to take
cool shower or plunge into the pool with cold water. After the rest again they
prepare the steam etc.
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