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Rutile Rotary Kiln

Rutile Rotary Kiln

Features of rutile:
Rutile is a common accessory mineral in high-temperature and high-pressure metamorphic rocks and in igneous rocks.
Rutile is the preferred polymorph of TiO2 in such environments because it has the lowest molecular volume of the three polymorphs; it is thus the primary titanium bearing phase in most high pressure metamorphic rocks, chiefly eclogites. Brookite and anatase are typical polymorphs of rutile formed by retrogression of metamorphic rutile.
Within the igneous environment, rutile is a common accessory mineral in plutonic igneous rocks, though it is also found occasionally in extrusive igneous rocks, particularly those that have deep mantle sources such as kimberlites and lamproites. Anatase and brookite are found in the igneous environment particularly as products of autogenic alteration during the cooling of plutonic rocks; anatase is also found formed within placer deposits sourced from primary rutile.

Features of Rutile rotary kiln:
The kiln is a cylindrical vessel, inclined slightly to the horizontal, which is rotated slowly about its axis. The material to be processed is fed into the upper end of the cylinder. As the kiln rotates, material gradually moves down towards the lower end, and may undergo a certain amount of stirring and mixing. Hot gases pass along the kiln, sometimes in the same direction as the process material (co-current), but usually in the opposite direction (counter-current). The hot gases may be generated in an external furnace, or may be generated by a flame inside the kiln. Such a flame is projected from a burner-pipe (or "firing pipe") which acts like a large bunsen burner. The fuel for this may be gas, oil or pulverized coal.
The kiln connects with a material exit hood at the lower end and to ducts for waste gases. This requires gas-tight seals at either end of the kiln. The exhaust gas may go to waste, or may enter a preheater which further exchanges heat with the entering feed. The gases must be drawn through the kiln, and the preheater if fitted, by a fan situated at the exhaust end. In preheater installations which may have a high pressure-drop, a lot of fan power may be needed, and the fan is often then largest drive in the kiln system. Exhaust gases contain dust and there may be undesirable constituents such as sulfur dioxide or hydrogen chloride. Equipment is installed to scrub these out before the exhaust gases pass to atmosphere.

Technical parameters of Rutile Rotary Kiln:

Specification (m) Production Capacity (t/d)  Main Motor Active Reducer Weight (t)
Model Power(kw) Model Seep Ratio
φ18x26 72 JZT2-72-4 30 JZQ750-1-Ⅰ 48.57 66
φ1.9/1.6x39 72 JZT2-72-4 30 JZQ750-1-Ⅰ 48.57 66
φ1.9x36 84 YCT315-4A 37 ZS110-5-Ⅲ 78.19 85.9
φ2.2x45 98.4 JZT82-6 55 ZA125 93.93 104
φ2.5x40 160 Z2--92 40 ZS125-2-Ⅰ 134.9 143
φ2.5x45 170 JTZ82-4 45 ZS125-4-Ⅰ 69.71 148
φ2.5x50 180 ZT3-72-4 30 ZS145-9-Ⅴ 122.8 173
φ2.5x60 168 YCT355-4B 75 ZS165-7-Ⅱ 99.96 222
φ3x48 360-480 YCT355-4B 75 ZS145-7-Ⅱ 100.4 170.6
φ3.1/2.5x78 216-240 Z4—225-31 75 ZS165-2-Ⅱ 57.17 268
φ3x48 700 ZSN4-280-21B 110 MSY56-28-Ⅱ 28 244
φ3x100.94 450 ZSN4-280-21B 90 NZS995-90-Ⅵ-L 90 526
φ3.2x50 1000 ZSN4-280-21B 160 MSY56-28-Ⅱ 28 252.4
φ3.2x52 600 ZSN4-280-21B 125 ZSY1110-71BL 71.54 275
φ3.3x52 1000 ZSN4-280-11B 125 NZS995-40-Ⅵ-BR 40 283
φ3.5x52.5 1400 Z2-112 180 ZS177 79.22 360
φ3.5x54 1500 ZSN4-3156-092 220 ZSY500-40-Ⅴ 40 368
φ3.6x70 490 ZSN4-280-11B 125 ZS177-5-Ⅱ 79.2 419
φ3.95x56 2000 Z4-280-32BTH 250 ZSY560-40-Ⅰ 40 417
Φ4x28 90 ZSN4-280-21B 160 ZSY500-71-Ⅳ 71 300

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