Method for fluidized roasting of stone coal in one step
A technology of boiling roasting and stone coal, which is applied in the field of vanadium extraction and roasting from stone coal, can solve the problems of poor adaptability of raw materials, low yield of roasting materials, complicated processing process, etc., and achieves the effects of enhanced adaptability, high roasting efficiency and simple operation.
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Embodiment 1
[0031] A method for boiling and roasting stone coal in one step. The equipment used in the fluidized roasting method is "a fluidized furnace for one-step roasting of stone coal", and the structure of the "fluidized furnace for one-step roasting of stone coal" is:
[0032] 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 3As shown, the first fire-retaining wall 11...
Embodiment 2
[0048] A method for boiling and roasting stone coal in one step. The equipment used in this embodiment is "a fluidized furnace for one-step roasting of stone coal", and the structure of the "fluidized furnace for one-step roasting of stone coal" is the same as in Example 1 except for the following technical parameters:
[0049] 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;
[0050] 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;
[0051] The height of the first overflow plate 18 is 9 / 12-10 / 12 of the height of the fire wall;
[0052] 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 to 3 / 6...
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