Communities Garage Dreams Blog Why smoke comes out when you open the door

Smoke Prevention

Any furnace diagnostics is carried out in the warm season, when it is possible to slowly, qualitatively eliminate the problems that have arisen.

List of events:

timely cleaning of the chimney and potbelly stove elements from dirt and soot,
checking the fastenings of the windshield cap,
checking the tightness of the door and the joints of the furnace elements,
airing and heating in the summer, so that condensate does not accumulate in the pipes.

Prevention of the potbelly stove will reduce the number of repairs, ensure its uninterrupted operation and safety of use. Previous articleHow and how to melt a potbelly stove? Next article How to increase the efficiency of a potbelly stove without the help of a specialist and serious financial investments What else to read

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Smoke in a brick potbelly stove

Why does a brick potbelly stove smoke when the door is opened? The reasons largely coincide with the violations of the operation of a conventional furnace and are eliminated by analogy with it.

Poor quality solution

The use of conventional cement-sand mortar for normal repair work is unacceptable. It does not withstand strong thermal loads and aggressive environmental influences. And carbon monoxide, which will penetrate through the cracks of the masonry, is dangerous to human life. It is forbidden to use the oven in a faulty condition. The elimination of such misses turns into a complete refurbishment of the furnace or endless cosmetic repairs.

For normal operation of the furnace, the following is required:

lime mortar - for the foundation and chimney,
clay,
masonry sand.

Much attention is paid to the method of preparation, the balance of components and the consumption of the solution. Each element and design model has its own proportions.

Large seams when laying

The use of old dry bricks or large seams during the construction of the furnace contributes to the rapid destruction of the furnace structure. The adhesion between the materials is initially weakened, gaps appear, which have to be checked and strengthened every season. The same problems occur in new ovens that are not dry enough before use.

Lack of lining

The absence of a lining reduces the period of maintenance-free operation of brick kilns if the furnace is made of cast iron or steel. The consequences are not critical. Such potbelly stoves are simply inspected more often and eliminate the problems that have arisen.

cracks

The slots of the brick potbelly stove are pre-cleaned with a metal brush to a hard brick surface. The space is covered with a margin, especially in the case of a grid of cracks.

Cracks in a brick potbelly stove

Work order:

surface treatment with a primer - cement is diluted with water to a liquid state,
the solution is applied to the surface,
cracks are filled with high-quality adhesive or other suitable composition,
after drying, the surface is plastered, the planned types of finishing work are carried out.

For furnace departments use - refractory mixtures and sealants,

For the rest - heat-resistant solutions.

Cracks in metal structures are permissible on metal that is not yet fractured, not more than 5 mm wide. In these cases, a patch is welded. In other situations, damaged parts must be changed and the elements reassembled.