47results about How to "Wide lean burn limit" patented technology

The utility model relates to a kind of porcelain tunnel kiln production line, wherein porcelain tunnel kiln production line includes the tunnel kiln main part for firing porcelain and the multiple energy-saving efficient combustors of interval arrangement along the length direction of tunnel kiln main part being arranged on tunnel kiln main part, energy-saving efficient combustor includes outer sleeve, inner tube of insertion in outer sleeve and branch pipe of being arranged in the gap between outer sleeve and inner tube, the first side of the outer sleeve is equipped with the first inlet of the air into gap, the first end of the inner tube has the second inlet of the natural gas into, the first end of the branch pipe has the third inlet for the hydrogen gas containing into, the middle part of the inner tube is equipped with the fourth inlet of the second end port communication of branch pipe, the wall of tunnel kiln main part is equipped with channel, energy-saving efficient combustor is arranged in channel, and this porcelain tunnel kiln production line uses energy-saving efficient combustor, it is favorable to improve its combustion efficiency, reduce combustor use cost.