Device for ilmenite concentrate microwave drying and application method thereof

A technology for microwave drying and titanium concentrate, which is used in drying solid materials, lighting and heating equipment, drying, etc. Avoid decaying effects

Active Publication Date: 2013-08-07
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the microwave drying of titanium concentrate shows the advantages of fast speed and high drying efficiency, the microwave drying o

Method used

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  • Device for ilmenite concentrate microwave drying and application method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0027] Implementation mode one: if figure 1 As shown, the equipment structure of the microwave drying titanium concentrate of this embodiment includes three sections of microwave heating devices, and the three sections of microwave heating devices are arranged end to end in a stepped distribution; each section of microwave heating devices includes a belt conveyor and a microwave heating chamber body 3, the belt conveyor passes through the microwave heating cavity 3; the microwave heating device of the highest step has a vibrating feeder 12 at one end, and the microwave heating device of the lowest step has a discharge device 2. The microwave heating device of highest step has 12 one ends of vibrating feeder to be equipped with material layer baffle plate 11, and material layer baffle plate 11 is installed in the place ahead of the vibrating feeder 12 of belt conveyor rotation direction. The feed port of the vibrating feeder 12 and the discharge port of the discharge device 2 a...

Embodiment approach 2

[0029] Implementation mode two: if figure 1 As shown, the equipment structure of the microwave drying titanium concentrate of this embodiment includes three sections of microwave heating devices, and the three sections of microwave heating devices are arranged end to end in a stepped distribution; each section of microwave heating devices includes a belt conveyor and a microwave heating chamber body 3, the belt conveyor passes through the microwave heating cavity 3; the microwave heating device of the highest step has a vibrating feeder 12 at one end, and the microwave heating device of the lowest step has a discharge device 2. The microwave heating device of highest step has 12 one ends of vibrating feeder to be equipped with material layer baffle plate 11, and material layer baffle plate 11 is installed in the place ahead of the vibrating feeder 12 of belt conveyor rotation direction. The feed port of the vibrating feeder 12 and the discharge port of the discharge device 2 a...

Embodiment approach 3

[0031] Implementation mode three: if figure 1 As shown, the equipment structure of the microwave drying titanium concentrate of this embodiment includes three sections of microwave heating devices, and the three sections of microwave heating devices are arranged end to end in a stepped distribution; each section of microwave heating devices includes a belt conveyor and a microwave heating chamber body 3, the belt conveyor passes through the microwave heating cavity 3; the microwave heating device of the highest step has a vibrating feeder 12 at one end, and the microwave heating device of the lowest step has a discharge device 2. The microwave heating device of highest step has 12 one ends of vibrating feeder to be equipped with material layer baffle plate 11, and material layer baffle plate 11 is installed in the place ahead of the vibrating feeder 12 of belt conveyor rotation direction. The feed port of the vibrating feeder 12 and the discharge port of the discharge device 2 a...

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Abstract

The invention relates to a device for ilmenite concentrate microwave drying and an application thereof, and belongs to the application field of microwave heating technology. The device for ilmenite concentrate microwave drying structurally comprises three sections of microwave heating devices, and the three sections of the microwave heating devices are arranged in a straight line mode, connected in an end-to-end mode and distributed in a stepped mode; every section of the microwave heating device comprises a belt conveyer and a microwave heating cavity, and the belt conveyer penetrates through the microwave heating cavity; and one end of the microwave heating device on the highest step is provided with a vibratory feeder, and the microwave heating device on the lowest step is provided with a discharging device. The application method of the device for ilmenite concentrate microwave drying comprises firstly adjusting the belt rotating speed, the air exhausting quality of air exhausting air ducts and the different microwave power of the three sections of the microwave heating devices, then laying the ilmenite concentrate on belts through the vibratory feeder and adjusting the thickness of the ilmenite concentrate through a material layer baffle, and finally obtaining dried ilmenite concentrate with a water content less than 1wt% (weight percentage) from the discharging device of the microwave heating device on the lowest stage. According to the device for ilmenite concentrate microwave drying and the application method thereof, an efficient and clean drying method under the conditions of long distance, high load and large flow is obtained.

Description

technical field [0001] The invention relates to equipment and application of microwave drying titanium concentrate, which belongs to the application field of microwave heating technology. Background technique [0002] Titanium is recognized as a rare resource and an important strategic material in the world. It is a supporting material for launch vehicles, missiles, satellites, fighter planes, and nuclear submarines. Titanium concentrate is the main raw material for the production of titanium dioxide, high-titanium slag and artificial rutile, and it is mainly obtained from ilmenite or titanium magnetite. Usually in raw ore FeTiO 3 The grade is low, and it generally needs to be enriched by methods such as gravity separation, magnetic separation and flotation separation. Since the titanium concentrate treated by mineral processing contains about 10% water, if dehydration pretreatment is not carried out in advance, it will cause problems such as low energy utilization rate, h...

Claims

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Application Information

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IPC IPC(8): F26B17/04F26B23/08F26B25/00
Inventor 刘秉国左勇刚张光伟张利波戴向东彭金辉邓晴华马爱元李健
Owner KUNMING UNIV OF SCI & TECH
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