Norton (USA) company is working to create a furnace for firing ceramic products on a gas support layer. The company intends to carry out such a firing at about 1050 ° C.
The Italian company City builds four -tier roller stoves about 38 long, about 5 and a height of 2 m. The stoves of this company operating in Sweden and Italy and having a length of 40 and a width of 2.5 m are given 1000 m2 tiles per day at a firing temperature of 1120 ° C and temperature changes 5-8 ° C. Labor productivity on these furnaces is 51 m2 of tiles per day per working. Stoves work on the principle of opposite.
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Germany recommends to use stoves with a walking pod for accelerated one -row firing tiles. When laying 10 rows of tiles along the width of the furnace, its daily performance is 3000 m2.
In the described slot roller furnaces with a walking pod, depending on the raw materials and other features of production, firing can be produced both once and twice in one technological line of production.
The study of the conditions of spraying glazing of the raw tiles continues. Icing installations with a capacity of 225 tiles per minute are described. The amount of glaze applied to the tiles ranges from 18 to 25 g per tile.
In the USA, the new ceramic-stabbing plant of the company Marshall-Tyl has been launched. The plant is located in the original building. Original and layout of workshops. Two tunnel furnaces 36 m long for single firing tiles on the ebels were installed at the plant. For two 8-hour shifts, the plant processes about 200 tons of raw materials per week. The number of workers employed at the factory is 100 people. Automatic companies Dubois. Tile size 108×108 mm. Drying tiles is carried out on a conveyor under infrared burners. Glazing occurs on an automatic glazing installation.
