Study on New Low-temperature Dry Distillation Technology of Regenerative External Combustion Oil Shale

There are huge reserves of oil shale in the world.Dry distillation of oil shale can produce shale oil similar to petroleum.Using oil shale to produce shale oil can alleviate the problem of oil shortage.At present,the annual output of shale oil in China ranks first in the world,but this dry distillation process also has some drawbacks:the oil production rate is low,which is only 60.9%-65%,and the foreign shale oil production rate can reach 90%.Therefore,it is necessary to optimize the traditional oil shale dry distillation process to improve the oil yield of oil shale.