Non-contact magnetic spinning apparatus

A non-contact, magnetic technology, used in magnetic separation, solid separation, dehydration/drying/concentrated sludge treatment, etc., can solve the problem of low shock load resistance, easy wear of pressure rollers and magnetic cylinders, and slag in filtrate. Large volume and other problems, to achieve the effect of strong shock load resistance, less magnet consumption, and high dehydration efficiency

Active Publication Date: 2011-09-28
CHENGDU YUANRONG ENVIRONMENTAL TECH +1
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  • Application Information

AI Technical Summary

Problems solved by technology

The principle of this dehydration method is simple, and it utilizes the magnetic adsorption effect of the magnet on the magnetic substance. The cylinder has only one press contact surface above the water surface, so the utilization rate of the magnet is low. At the same time, the pressure roller and the magnetic cylinder are easy to wear, the dehydration capacity is relatively low, and th

Method used

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Embodiment Construction

[0018] Embodiments are given below in conjunction with the accompanying drawings to further illustrate the present invention.

[0019] Such as figure 1 As shown, the non-contact magnetic spinning device provided in this embodiment includes a feeding chamber 1 , a magnetic acting chamber 2 , a permanent magnetic roller 4 , and a discharging chamber 8 .

[0020] Such as figure 2 As shown, the permanent magnet roller 4 provided in this embodiment is composed of a roller shaft 14, magnets 12 and non-magnetic spacers 13 arranged at intervals on the circumference of the roller shaft 14, and a stainless steel sleeve 11; wherein the magnet 12 is made of Segment magnets made of ferrite or rare earth permanent magnets.

[0021] combine figure 1 and figure 2 , the permanent magnet rollers 4 are arranged in pairs close to the two side walls of the magnetic force action chamber 2, and the two permanent magnet rollers 4 are relatively rotated (the left permanent magnet roller rotates ...

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Abstract

The invention relates to a non-contact magnetic spinning apparatus, which allows condensation, dehydration and feeding to be realized through a manner that magnetic material particles or floccules are subjected to migration, aggregation, and extrusion by magnetic force of toroidal magnetic fields changing in a strong-weak alternation way. The apparatus is characterized in that: the apparatus comprises a charge cavity, a magnetomotive cavity, a discharge cavity and at least a pair of permanent magnetic rollers rotating reversely; the charge cavity is communicated with the magnetomotive cavity and the discharge cavity in sequence; and the paired permanent magnetic rollers, which are arranged on the outer of both side walls of the magnetomotive cavity, generate toroidal alternate magnetic force in the magnetomotive cavity. Non-contact condensation, dehydration and feeding are carried out on the magnetic materials through the toroidal alternate magnetic force, so the apparatus has the advantages of simple method, easy manufacture, low cost, strong impact load resistance and good processing effect.

Description

technical field [0001] The invention relates to a non-contact magnetic spinning method and device, in particular to a method and device for squeezing, concentrating, dehydrating and feeding magnetic substances containing water, and belongs to the technical field of magnetic separation applications. Background technique [0002] In the fields of metallurgical wastewater treatment and mineral processing, it is often necessary to concentrate and dehydrate the aqueous sludge mainly composed of magnetic particles or flocs produced in the production process. The known methods are plate and frame filter press, belt filter press, centrifugal dehydration and the like. Although the purpose of concentration and dehydration can be achieved, in these methods, the plate and frame filter press occupies a large area, and most of them are discontinuous dehydration, and the backwash water consumption of the belt filter press is large, the filter belt is easily blocked, and the noise of centri...

Claims

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Application Information

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IPC IPC(8): B03C1/00C02F11/12
Inventor 谭国安
Owner CHENGDU YUANRONG ENVIRONMENTAL TECH
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