* Mechanize the feeding of dry powdered or granular materials where possible, and avoid charging them through the open mixer charging door
. Handle these raw materials in bulk or in semi-bulk containers where recipe utilization permits.
All additions are made at the rear of the furnace through the charging door
Last year, charging door
fees was banned in Edinburgh after complaints that pubs were taking advantage of the festive season.
For example, when cold ingot has been placed on an exterior furnace ledge with the charging door
left slightly open to facilitate preheat, the rate of condensation may be rapid enough to allow water to drip onto the floor and puddle on the ingot surface.
* Improve safety by sounding an alarm before actuation of ram or charging door
One cone houses the oxy-gas burner and the other contains the charging door
. The furnace can rotate intermittently or continuously around its axis, and is inclined forward and backward for charging, slagging and refractory maintenance.
The melt charge, consisting of metal, limestone and coke, is introduced through a charging door
located above the air inlets.