External heat radiation regenerative oil shale dry distillation furnace
A dry distillation furnace and regenerative technology, which is applied in the field of oil shale dry distillation and oil refining, can solve the problems of difficult enlargement of furnace scale, difficult maintenance, waste of resources and environment, etc., and achieve the effects of improving thermal efficiency, improving airtightness and ensuring stability.
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[0040] Example 1: The present invention provides an external heat radiation regenerative oil shale dry distillation furnace, the structure of which is as follows figure 1 , 2 As shown in 3, the dry distillation furnace includes the furnace body of the dry distillation furnace, the feeding system at the upper part of the furnace body, and the slag discharge device at the bottom of the furnace body. The feeding system at the upper part of the furnace body is provided with a feeding device 1 and a distributing trolley 2. , Loading bell 3, discharging bell 4 and triangular baffle 6. The oil shale is lifted to the top of the dry distillation furnace by the feeding device 1, and added to the distributing trolley 2. The distributing trolley 2 moves along the rails of the charging trolley set on the top of the furnace. During the movement, it passes through the distributing trolley 2 The vibrating distributing mechanism evenly distributes the oil shale in the charging bell 3 arranged on...
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[0049] Example 2: The present invention provides an external heat radiation regenerative oil shale dry distillation furnace. Its structure is basically the same as that of Example 1. The difference is that to increase the capacity of a single furnace, the combustion chamber 7 is designed into 20 rows, each row The combustion chamber is designed with 12 layers of combustion channels 18, and correspondingly there are 19 rows of dry distillation chambers 8, which are burned in the combustion channels 18 through gas and air. The battlement structure wall 13 of the heat conducting wall 12 is heated to 1000°C, and the heat is transferred to The wall surface of the straight surface structure 14 can reach a temperature of 600°C, and the rest is the same as the embodiment 1. The daily processing capacity of the dry distillation furnace of the present invention can reach more than 500t, and the oil yield is more than 90%.
[0050] The dry distillation furnace of the present invention has u...
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