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How To Make Manual Clay Bricks Process In India & Pakistan Fire Brick Kiln Industry Documentary film.Fired bricks are one of the longest-lasting and strongest building materials. They have been used since about 3000 BC in early Indus Valley cities. Sun-dried mud bricks are much older and quite satisfactory in hot, dry climates. Fired bricks are much more resistant to cold and moist weather conditions.
Welcome to Tarar Support Subscribe Now. In this video, You will watch How to make manual clay bricks in India and Pakistan.
After Digging the required amount of soil and ship it to the brickmaking site. Mixing a sufficient amount of water to the soil to make it clay. Now Testing if the soils need to be mixed with some additional amount of sand.the sand plays an important role in removing the brick from the mold.
hand molding the tempered clay is formed in the mold in such a way that it fills all the corners of the mold. Extra clay is removed either by wooden strike or Hands. Mould is then lifted up and raw brick is left on the ground.
After molding process, the bricks contain some amount of moisture in it. So, drying is to be done otherwise they may be cracked while burning. The drying of raw bricks is done by the natural process.
The bricks are laid in stacks. A stack consists 8 to 10 stairs. The bricks in these stacks should be arranged in such a way that circulation of air in between the bricks is free.
The period of drying may be 2 to 10 days. It also depends on the weather conditions.
The drying yards are also prepared on the higher level than the normal ground for the prevention of bricks from rainwater.
To remove maximum moisture from the brick so as to save time and fuel during burning.
The Bricks are transporting to bricks factory.
To increase the strength of raw bricks so that they can be handled and stacked in greater heights in the kiln for burning without damage.
kilns (large scale) up to certain degree temperature. In this stage, the bricks will gain hardness and strength so it is an important stage in the manufacturing of bricks.
The temperature required for burning is about 1100oC. If they burnt beyond this limit they will be brittle and easy to break. If they burnt under this limit, they will not gain full strength and there is a chance to absorb moisture from the atmosphere.
Hence burning should be done properly to meet the requirements of good brick.
There are intermittent and continuous kilns. Moulded clay is stacked in the chambers. They are then slowly dried and burned to high temperature and cooled. One cycle of loading, drying, burning, cooling and emptying may take as much as two weeks. These processes are carried out intermittently in intermittent kilns and in cyclic order in continuous kilns.
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