A device constituting the full action surface of a permanent magnet
An active surface, permanent magnet technology, applied in the direction of permanent magnet, magnetic separation, inductor/transformer/magnet manufacturing, etc., can solve the problems of high manufacturing cost, complex manufacturing, low yield, etc., and achieve high sorting capacity and easy installation. , the effect of high productivity
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Embodiment 1
[0041] Example 1. Magnetic separator for separating limonite and hematite:
[0042] Such as Figure 4 to 6 Shown: on the top of a cylindrical cylinder with a diameter of 1200mm and a length of 2000mm, there are small permanent magnets 2 along its radial and axial directions to form a permanent magnet acting surface 3, and two adjacent small permanent magnets have opposite polarities. The small permanent magnet grade N42 has a length of 15mm, a width of 4mm, and a height of 3mm (15×4×3mm), where the height is the excitation direction of the permanent magnet. The surface magnetic field intensity of the permanent magnet active surface 3 is 4500-5000GS. The cylindrical body is a magnetic conductor 1, which is made of a common steel plate with a thickness of 8 mm; the cylinder is connected to the transmission equipment of the magnetic separator through a shaft. Thus, a magnetic separator with a magnetic roller of 1200 mm in diameter and 2000 mm in length was manufactured.
[0043] As...
Embodiment 2
[0045] Example 2. Magnetic separator for separating iron in red mud:
[0046] The method of Example 1 is used to prepare a magnetic separator with a magnetic roller with a diameter of 1500mm and a length of 4000mm. The small permanent magnet is grade N48, 15mm in length, 4mm in width, and 5mm in height (15×4×5mm), in which the height is a permanent magnet. The direction of excitation. The surface magnetic field intensity of the permanent magnet active surface 3 is 5000-5500GS. Assisted with impurity removal device and ore unloading device, the magnetic separator can be used for the separation of iron in red mud. Daily processing of raw ore can reach 1,000 tons.
[0047] For example, when the red mud in the Pingguo area of Guangxi is sorted, when the original ore grade is 26.02%, the magnetic separator can obtain a concentrate grade of 58.23%, a tailings grade of 21.05%, and a recovery rate of 41.70%.
Embodiment 3
[0048] Example 3. Magnetic separator for separating chromite ore:
[0049] The method of Example 1 was used to prepare a magnetic separator with a magnetic roller of 1200mm in diameter and 2000mm in length, with a small permanent magnet grade of N42, 15mm in length, 4mm in width, and 4mm in height (15×4×4mm), in which the height is a permanent magnet The direction of excitation. The surface magnetic field intensity of the permanent magnet active surface 3 is 3000~3500GS. With the aid of impurity removal device and ore unloading device, the magnetic separator can be used for the separation of chromite ore. Daily processing of raw ore can reach 500 tons.
[0050] For example, for sorting chromite ore with a particle size of -0.15mm, when the chromium in the original ore grade is 28.17%, the magnetic separator can obtain a concentrate grade of chromium grade of 49.27%, iron grade of 16.70%, and tailings. The taste of chromium is 10.70%, and the recovery rate of chromium is 78.00%. ...
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