Furnace lining what it is: what it is intended for, methods of implementation.

Furnace lining.Lining in construction is called decoration to protect any structures from various negative effects. Moreover, the appearance of such a coating does not matter. During the construction of the furnace, the lining is used for facing the inside of the chamber. Its main task is to protect the walls and other elements of the furnace from possible damage in operation process that may arise as a result of thermal, mechanical, chemical exposure. The lining extends the life of the furnace.

What is the lining of the furnace, in what cases is it used

The content of the article

  • What is the lining of the furnace, in what cases is it used
  • Lining methods
    • Use of refractory adhesive for lining

The protective layer inside the furnace is a lining.One of the main factors in the construction of brick ovens is considered the competent design of the furnace, because that this element of this heating system is most exposed to high temperatures. Brick, which is used during the laying of the stove, under the influence of fire, can burn, deform due to lack of moisture.

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To avoid this and extend the life of heating facilities, as well as ensure the safety of people during operation of the furnace, the brick must be protected from fire. For this, the lining is intended.

REFERENCE! It should be noted that the surface of the walls of the chamber of a metal furnace, solid fuel boilers also requires protection. This is necessary so that the metal, steel panels do not burn out during operation. For this reason, many manufacturers equip furnaces of steel devices with kaolin, chamotte panels.

Most furnace owners think about lining. During its construction, it is important to correctly calculate the thickness of the material, otherwise the walls of the stove will not be able to warm up well. Heat can penetrate only into the chimney, but not into the room. The efficiency of the furnace can significantly decrease, which can lead to an increase in fuel costs, because it will be required in much larger quantities for heating the thick walls of the chamber.

Lining methods

Lining is carried out in different ways. The appropriate method is selected depending on which material the stove is built from. Methods of building protection:

  • facing the inside of the stove with finished fireclay bricks that can withstand any temperature - this method is popular due to the fact that the material, with excellent protective qualities, is also very cheap;Lining the furnace with solutions
  • installation of heat-reflecting screens - effective for metal furnaces used in saunas;
  • the use of chipped stone from natural rocks - sandstone or quartz;
  • the use of roll materials or plates - basalt fiber, cardboard or kaolin paper, vermiculite plates;
  • coating the walls with special solutions or substances - chamotte or mullite mixtures sold in stores.

IMPORTANT! The advantage of using the solution for lining purposes is that it can be used to create absolutely monolithic surface, which will become an ideal fence that protects the brick from exposure to fire. The downside of such a footer is that it will require faster repair than masonry made of stone or fireclay bricks.

Use of refractory adhesive for lining

For fastening various materials used to build the inner, protective surface of the furnace, it is better to use refractory, high-temperature glue. It will perfectly hold together refractory bricks or basalt fiber boards. Glue is sold in special containers, after opening which, the mass is thoroughly mixed. Before applying glue to the surface, it should be moistened. The coating thickness is 3 mm, if, in addition to glue for lining, nothing else will be used, then it is necessary to apply several layers of it, with an interval of 15 minutes. The protective layer dries in about a day.

Lining work is best left to professionals. The high-quality implementation of this task will allow you not to think about repairing the furnace for a long time.

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