For the coal industry

Techniques for the production of coal in Egypt

 Coal resulted in Egypt since the ancient Egyptians have become producers of coal in Egypt is now considerable experience to the production of coal as well known for coal-Egyptian

High quality and desirable in all coal-consuming countries in the world, especially the Arab countries surrounding

 Coal production is the way the Egyptian in the same way since time immemorial, which is simply to close the timber within the deep hole in the ground about 150 cm

And the length of the hole from 5 to 10 meters depending on the size and productivity viewed from the side larger than the width with the opposite side exits out of the depth of the hole

At altitudes of about two meters to regulate the proper ventilation

.

This is the appropriate form for the spread of fire in natural wood generally

And then to close the timber so that the small branches at the bottom of the bottom of the hole and then placed by the larger branches and then the larger timber until it reaches its size

 The maximum amount of wood in the middle to be Tvhimh compaction timber is higher than the height of the hole by two meters, and is isolated timber and covered

 Former coal dust and then put a layer of rice straw, the top of the timber and thereby isolate the timber from the air

And was then is lit some of the branches and the short ribs from the hole they begin the slow coking each for periods ranging from 8 days to 20 days according to

 Size of the hole and timber are burning out with the organization by persons with expertise in wood by charring the ventilation holes of this

Illustrates the form of ventilation openings