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Bricks Making Process || ईट कैसे बनती है || Bricks Manufacturing Process in India || Bricks Factory
Factory is located in Uttar Pardesh India Watch Amazing 5000 Years Old Traditional Technique to Bricks Manufacturing Process in India & Bricks Making Machine
Making the Brick
The process of making a brick has not changed much over the centuries or across geographies. Traditionally the main steps followed to make a brick are explained below.
1. Material Procurement: The clay is mined and stored in the open. This makes the clay soft and removes unwanted oxides.
2. Tempering: This clay is then mixed with water to get the right consistency for moulding. Mixing is done manually with hands and feet. Sometimes and in certain areas, animal driven pug mills are used.
3. Moulding: A lump of mix is taken, rolled in sand and slapped into the mould. Initially moulds were made of wood, now metal moulds are used. Sand is used so the brick does not stick to the mould.
4. Drying: The mould is emptied onto the drying area, where the bricks are arranged in a herring bone pattern to dry in the sun. Every two days they are turned over to facilitate uniform drying and prevent warping. After two weeks they are ready to be burnt.
5. Firing: The green bricks are arranged in a kiln and insulation is provided with a mud pack. Fire holes left to ignite the kiln are later sealed to keep the heat inside. This is maintained for a week. Firing like other operations also depends on the knowledge and experience of the brick maker.
6. Sorting: After the kiln is disassembled, the bricks are sorted according to colour. Colour is an indication of the level of burning. Over burnt bricks are used for paving or covering the kiln while slightly under burnt bricks are used for building inner walls or burnt once again in the next kilnFired bricks are one of the longest-lasting and strongest building materials, s
The colour of fired clay bricks is influenced by the chemical and mineral content of the raw materials, the firing temperature, and the atmosphere in the kiln. For example, pink bricks are the result of a high iron content, white or yellow bricks have a higher lime content. Most bricks burn to various red hues; as the temperature is increased the colour moves through dark red, purple, and then to brown or grey at around 1,300 °C (2,370 °F).
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