As we all know, red bricks and blue bricks are essential materials for building houses. It is understood that the red brick is an old building material, and the history of the blue brick is longer than that of the red brick, and it is used in home decoration with beautiful features. So what are the differences between blue brick and red brick ? Here we come together to understand it!
The difference between green bricks and red bricks 1. Processing raw materials
The raw materials for the red bricks are: shale, coal gangue, clay, etc., which are then kneaded by a smashing process, followed by mechanical or artificial pressing. When they are dry, they are then burned to a temperature of around 900 degrees Celsius.
A green brick is a kind of sintered brick, and the raw material for firing it is usually clay. Then pour some water into the clay and squeeze it. Then put it into a brick kiln and bake it to about a thousand degrees Celsius and cool it with cold water, and you're done. The main purpose of its practical cold water cooling is to incompletely oxidize the iron in the clay while making it more water resistant.
Difference between blue brick and red brick 2. Processing
The red brick is mainly burned through the fire inside and outside the brick, and then extinguished to cool the kiln and brick. Because the air in the kiln is relatively smooth and there is a lot of oxygen, a very good oxidizing atmosphere is formed, and eventually the iron of the brick is oxidized to ferric oxide, so its color is red.
The green brick is directly poured into the kiln after the brick is thoroughly burned, because at this time the temperature in the kiln is very high. When the water is ingested, it immediately turns into water vapor, thereby blocking the air. And in the absence of oxygen, the ferric oxide in the brick will form ferrous oxide, which will eventually turn into a blue brick.
The difference between blue brick and red brick 3. Look at the advantages and disadvantages
The advantages of the green bricks are their strong durability, stronger solidity than red bricks, and better alkali resistance. The disadvantages are that the production cost is high, the process is very complicated, the production is very small, and mechanized production cannot be achieved, so its price will be high. .
The advantage of the red brick is that the production process is simpler than the blue brick, and it can also realize mechanized production, so its production efficiency is also very high and it is applied very widely. The disadvantage is that because the red brick is a solid brick, it will destroy many farmland clays during production.
Editor's summary: The content of the difference between the green brick and the red brick was introduced in the previous article. I hope to give you some help. For more information about blue bricks and red bricks, you can always pay attention to our website, and the content displayed in the follow-up will be more abundant!
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