open fireplace - the oldest type of fireplaces

Описание: http://piecekamienne.pl/kominki-sauny...

The main source of heat is radiated from the combustion chamber - the oldest type of fireplaces.

Masonry fireplaces are open from ceramic bricks, cement and clay, stone or sandstone molded. The hearth is made of full ceramic brick or stone, and from the inside also taught wylepia brick or clay chamotte refractory. It is particularly important in open fireplaces choosing correct size and shape of the furnace. Elements of the fireplace in contact with fire and smoke (fireplace, smoke chamber, flue) muruje to fully bond. Fireplace should przeschnąc after 2-4 weeks, only then you can start using it.

Principles of an open fire:

Built on solid foundation
Posiadaa separate flue, exhaust fumes above the combustion chamber.
Cross-sectional area of ​​the chimney should be at least 1/10 the surface of the furnace hole
Smoke pipe should be as few bends. The chimney can be installed directly over the fireplace, behind him or beside him.
Loss of heat and gas flow resistance is lowest when the chimney is over palniskiem.
Dimensions of the combustion chamber should be tailored to the size of the room
The rear wall of the combustion chamber should be inclined towards the opening angle of about 80 °
Sloping side walls into the hole and the rear wall of the chamber
Size of the throat should be adjusted to the size of the combustion chamber hole
In the throat damper should be installed to regulate the outflow of exhaust gases.

Encapsulates the open fireplaces with marble, granite, clinker brick, plaster, wood, ceramic tiles, stone, river and improv.

Advantages of open fireplaces:
We see the burning logs of wood, we deal with fire
Way forms the hearth
Can be used as a grill

Disadvantages of open fireplaces:
Consume a lot of combustion air: 200 to 2000m3 per hour (closed fireplaces consume 6 ÷ 8m3)
Only a wood-fired
Require constant attention when in use - we can not leave the fiery furnace
It's hard to keep clean
10 to 15% of them formed in the heat warms the room - the rest escapes into the chimney
Consume several times more than wood fireplaces with cartridge