A fluidized fluidized furnace for one-step roasting of stone coal
A boiling furnace and roasting technology, which is applied in the field of boiling furnaces, can solve the problems of complex processing process, low yield of roasting material, low energy utilization rate, etc., and achieves the effects of simple operation, high roasting efficiency and high energy utilization rate.
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Embodiment 1
[0025] A fluidized fluidized furnace used for one-step roasting of stone coal. Such as figure 1 and image 3 As shown, a first fluidized bed 1, a second fluidized bed 2 and a third fluidized bed 14 are arranged in sequence from left to right near the bottom of the furnace body 10, and the first fluidized bed 1 and the second fluidized bed 2 Separated by the first fire wall 11, the second fluidized bed 2 and the third fluidized bed 14 are separated by the second fire wall 12; as figure 1 As shown, the first air chamber 17 and the second air chamber 16 are separated by the first fire-retaining wall 11 , and the second air chamber 16 and the third air chamber 15 are separated by the second fire-retaining wall 12 . Such as figure 1 and image 3 As shown, the first fire-retaining wall 11 and the second fire-retaining wall 12 divide the distance between the inner walls of the left and right sides of the furnace body 10 into three equal parts. The first air chamber 17, the secon...
Embodiment 2
[0035] A fluidized fluidized furnace used for one-step roasting of stone coal. Except following technical parameter, all the other are with embodiment 1:
[0036] The length and height of the first fire-retaining wall 11 and the second fire-retaining wall 12 are the same, and the height is 9 / 16~10 / 16 of the height of the furnace body 10;
[0037] The length of the first fluidized bed 1 is 17 / 20~18 / 20 of the inner wall length of the furnace body 10, and the width is 17 / 60~18 / 60 of the inner wall width of the furnace body 10;
[0038] The height of the first overflow plate 18 is 9 / 12-10 / 12 of the height of the fire wall;
[0039] The vertical distance between the first gas burner 4, the second gas burner 5 and the third gas burner 13 and the bottom of the furnace body 10 is the same, and the distance is 2 / 6~3 / 6 of the height of the fire wall;
[0040] The vertical distance between the tuyere 7 and the top of the furnace body 10 is 7 / 48~8 / 48 of the height of the furnace body 10...
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