Low temperature superconductivity ferromagnetic deironing device

A low-temperature superconducting and iron remover technology, which is applied in the direction of superconducting magnets/coils, magnetic objects, open gradient separators, etc., can solve the problems of expensive dry electromagnetic iron removers, burning hazards, and bulky volume

Active Publication Date: 2008-06-11
SHANDONG HUATE MAGNET TECH +1
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

The oil-immersed electromagnetic separator has the danger of burning; the dry electromagnetic separator is expensive, the winding current density is low, and the volume is large; the air-cooled electromagnetic separator is bulky and troublesome to clean
As the industry has higher and higher requirements for the field strength index of the iron remover, the permanent magnet iron remover and the electromagnetic iron remover can no longer meet the needs of the high-end market, and there is an urgent need to develop a new type of safe, reliable and high-efficiency strong magnetic iron remover

Method used

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  • Low temperature superconductivity ferromagnetic deironing device
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Embodiment Construction

[0022] Referring to the accompanying drawings, the cryogenic superconducting strong magnetic iron remover includes a casing 120, the casing 120 is generally circular, and the inner wall of the casing 120 is provided with a load-bearing seat, and a cryostat 60 is arranged in the casing 120, and the cryostat 60 passes through a pull rod 100 Hanging on the load-bearing seat on the inner wall of the shell 120, the lower end of the pull rod 100 is connected to the outer support of the cryostat 60, and a load cell 110 is installed at the upper end of the pull rod 100, and the load cell 110 is used to measure the temperature of the rod sucked in the circular The scrap iron weight at the bottom of the shell 120, a ladder 90 is installed on the inner wall of the circular shell 120 for equipment maintenance personnel to use. The cryostat 60 has a room temperature Dewar 601, a 4.2K Dewar 603 is arranged in the room temperature Dewar 601, a heat radiation shield 602 is arranged between the...

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Abstract

The invention discloses a strong magnetic iron remover with low temperature superconductivity, a cryostat is arranged on an outer cover of the invention, and the cryostat is hoisted on an inner wall of the outer cover through a pull-rod. The cryostat is provided with an indoor temperature Dewar, a 4.2K Dewar is arranged in the indoor temperature Dewar, a heat radiation screen is arranged between the indoor temperature Dewar and the 4.2K Dewar, gaps are arranged in perimeters between the indoor temperature Dewar and the heat radiation screen and between the heat radiation screen and the 4.2K Dewar, a superconducting coil can be coiled in insulation on an inner cylinder of the 4.2K Dewar, and power can be provided for the superconducting coil by a pair of two-dimensional electric currents lead-in wires. A vacuum state is between the indoor temperature Dewar and the 4.2K Dewar, and the 4.2K Dewar is filled with liquid helium20. The invention has great magnetic induction intensity, and can suck out tiny iron magnetic substances from materials, and has high working stability.

Description

technical field [0001] The invention relates to a strong magnetic iron remover, in particular to a low-temperature superconducting strong magnetic iron remover. Background technique [0002] China is the largest producer of raw coal in the world, with an annual output of more than 1 billion tons of raw coal. At the same time, China is also one of the largest coal exporting countries. China has a large reserve of high-calorie, low-ash, low-sulfur coal, which benefits Chinese and overseas users a lot. However, a serious flaw is the presence of miscellaneous iron and detonators in raw coal in China. These sundries have brought serious problems to users. In power plants, miscellaneous iron hinders the effective operation of coal crushers, and detonators cause fire and explosion hazards in coal processing and transportation equipment. Therefore, when the coal is running at high speed on the wide belt conveyor, it is not an easy task to remove the detonator and miscellaneous ir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/0355H01F6/04H01F6/06
Inventor 朱自安王兆连侯治龙刘凤亮孔凡祝周谨
Owner SHANDONG HUATE MAGNET TECH
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