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Manufacturing of bricks

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Rahul Kumar Raj

The document discusses the manufacturing process of bricks which includes: 1) Preparation of clay by removing loose soil, digging and cleaning the clay, weathering it, and tempering it with ingredients. 2) Moulding the clay into bricks by hand or machine. 3) Drying the bricks for 48 hours to reduce moisture content before burning. 4) Burning the bricks in clamp kilns or permanent kilns like intermittent kilns and continuous kilns such as bull's trench kilns, Hoffman's kilns, or tunnel kilns to make them hard and durable.

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PRESENTATION ON MANUFACTURING OF BRICKS Er.Rahul Raj BY RAHUL RAJ,BSAP,NEW DELHI
MANUFACTURING OF BRICKS ï‚—PREPRATION OF CLAY ï‚—MOULDING OF BRICKS ï‚—DRYING OF BRICKS ï‚—BURNING OF BRICKS
PREPRATION OF CLAY REMOVAL OF LOOSE SOIL The top layer of loose soil about 20 cm depth contains lots of impurities like vegetation, pebbles and other organic material. DIGGING , SPREADING AND CLEANING The earth is then dug from the ground about 50 cm to 150 cm. WEATHRING OR SEASONING THE CLAY IS THEN EXPOSED TO ATOMSPHERE FOR SOFTENING THE PERIOD MAY BE 1 MONTH. TEMPRING OF CLAY THE CLAY IS THEN MIXED WITH INGREDIENTS.
Manufacturing of bricks
MOULDING HAND MOULDING MACHINE MOULD ï‚—When moulding is done with hand known as hand moulding. A rectangular wooden mould is use to made a brick. ï‚—The clay is placed in the machine known as machine moulding. It is cut to bricks by using steel wire .
Manufacturing of bricks
Manufacturing of bricks
DRYING OF BRICKS ï‚—IT IS ESSENTIAL BEFORE BURNING OF BRICKS. BECAUSE WET BRICK CONTAINS 7 TO 30 % MOISTURE SO IN THIS METHOD BRICKS ARE ALLOWED TO DRY UPTO MOISTURE CONTENT OF 5 TO 7 %. DRYING OF BRICKS TIME PERIOD IS 48 HRS.
BURNING OF BRICKS ï‚—IT IS VERY IMPORTANT OPERATION TO MAKE THE BRICKS HARD , DURABLE AND DENCE ETC. ï‚—WHEN TEMPERATURE DURING THE BURNING REACHES 650 C THEN WATER IS START TO REMOVED BUT THE BURNING PROCESS IS NOT COMPELETED AT THIS STAGE. THE FINAL TEMPERATURE WILL BE FOR PROPER BURNING OF BRICK 1100 C.
BURNING OF BRICKS CLAMP KILN ï‚—THESE ARE THE TEMPORARY STRUCTURES USED FOR THE BURNING OF BRICKS ON A SMALL QUANTITY TO FILL THE LOCAL DEMAND. ï‚—THESE ARE PERMANENT STRUCTURES DESIGNED MORE SCIENTIFICALLY TO BURN THE BRICKS ON LARGE QUANTITY.
Manufacturing of bricks
KILNS INTERMITTENT KILN CONTINUOUS KILN ï‚—IN THIS KILNS THE OPERATION OF BURNING OF BRICKS IS NOT CONTINUOUS. ï‚—STAGES ARE LOADING , FIRING , COOLING AND UNLOADING. ï‚—IN THIS KILN THE OPERATION OF BURNING OF BRICKS ARE CONTINUOUS. SO LOADING , PREHEATING , BURNING , COOLING AND UNLOADING ARE CARRIED OUT CONTINUOSLY.
CONTINUOUS KILN A) BULL’ S TRENCH KILN B) HOFFMAN’ S KILN C) TUNNEL KILN
CONTINUOUS KILN BULL’S TRENCH KILN HOFFMAN’S KILN
TUNNEL KILN
16 Decorative of brick work Walk way
The End 17
Manufacturing of bricks

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Manufacturing of bricks

  • 2. MANUFACTURING OF BRICKS ï‚—PREPRATION OF CLAY ï‚—MOULDING OF BRICKS ï‚—DRYING OF BRICKS ï‚—BURNING OF BRICKS
  • 3. PREPRATION OF CLAY REMOVAL OF LOOSE SOIL The top layer of loose soil about 20 cm depth contains lots of impurities like vegetation, pebbles and other organic material. DIGGING , SPREADING AND CLEANING The earth is then dug from the ground about 50 cm to 150 cm. WEATHRING OR SEASONING THE CLAY IS THEN EXPOSED TO ATOMSPHERE FOR SOFTENING THE PERIOD MAY BE 1 MONTH. TEMPRING OF CLAY THE CLAY IS THEN MIXED WITH INGREDIENTS.
  • 5. MOULDING HAND MOULDING MACHINE MOULD ï‚—When moulding is done with hand known as hand moulding. A rectangular wooden mould is use to made a brick. ï‚—The clay is placed in the machine known as machine moulding. It is cut to bricks by using steel wire .
  • 8. DRYING OF BRICKS ï‚—IT IS ESSENTIAL BEFORE BURNING OF BRICKS. BECAUSE WET BRICK CONTAINS 7 TO 30 % MOISTURE SO IN THIS METHOD BRICKS ARE ALLOWED TO DRY UPTO MOISTURE CONTENT OF 5 TO 7 %. DRYING OF BRICKS TIME PERIOD IS 48 HRS.
  • 9. BURNING OF BRICKS ï‚—IT IS VERY IMPORTANT OPERATION TO MAKE THE BRICKS HARD , DURABLE AND DENCE ETC. ï‚—WHEN TEMPERATURE DURING THE BURNING REACHES 650 C THEN WATER IS START TO REMOVED BUT THE BURNING PROCESS IS NOT COMPELETED AT THIS STAGE. THE FINAL TEMPERATURE WILL BE FOR PROPER BURNING OF BRICK 1100 C.
  • 10. BURNING OF BRICKS CLAMP KILN ï‚—THESE ARE THE TEMPORARY STRUCTURES USED FOR THE BURNING OF BRICKS ON A SMALL QUANTITY TO FILL THE LOCAL DEMAND. ï‚—THESE ARE PERMANENT STRUCTURES DESIGNED MORE SCIENTIFICALLY TO BURN THE BRICKS ON LARGE QUANTITY.
  • 12. KILNS INTERMITTENT KILN CONTINUOUS KILN ï‚—IN THIS KILNS THE OPERATION OF BURNING OF BRICKS IS NOT CONTINUOUS. ï‚—STAGES ARE LOADING , FIRING , COOLING AND UNLOADING. ï‚—IN THIS KILN THE OPERATION OF BURNING OF BRICKS ARE CONTINUOUS. SO LOADING , PREHEATING , BURNING , COOLING AND UNLOADING ARE CARRIED OUT CONTINUOSLY.
  • 13. CONTINUOUS KILN ï‚—A) BULL’ S TRENCH KILN ï‚—B) HOFFMAN’ S KILN ï‚—C) TUNNEL KILN
  • 14. CONTINUOUS KILN BULL’S TRENCH KILN HOFFMAN’S KILN
  • 16. 16 Decorative of brick work Walk way