Molten slag content detection apparatus adopting solenoid

A technology of electromagnetic coils and detection devices, which is applied in the direction of material magnetic variables, etc., can solve the problems of shortening the life of the sensor, complex manufacturing process, and fragile insulating sheet, etc., and achieve the effects of shortening the manufacturing cycle, simplifying the manufacturing process, and prolonging the life

Inactive Publication Date: 2013-06-19
HENGYANG RAMON SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The first disadvantage is that the sensor needs an insulating sheet, the manufacturing process is complicated, the production cycle is long, and the cost is high; the second is that the insulating sheet inside the sensor is fragile due to external impact (replacing the upper nozzle of the large bag, etc., etc.), which shortens the life of the sensor; The third is that the coil is made of bare wires, and its lead wire needs to be welded with the armored cable. Since the welding part is in a high temperature area, it is prone to failure and shortens the life of the sensor. Fourth, there is an isolation layer between the transmitting coil and the receiving coil. , takes up a lot of space

Method used

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  • Molten slag content detection apparatus adopting solenoid
  • Molten slag content detection apparatus adopting solenoid

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Embodiment Construction

[0014] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0015] As a preferred embodiment, figure 1 The system diagram of the slag content detection device using the electromagnetic coil is given when the molten steel flows from the ladle to the tundish. There is an upper nozzle 11 at the bottom of the ladle 3 storing the molten steel 2, and the molten steel 2 flows into the tundish 8 through the upper nozzle 11 through the opening of the slide plate 9. The slag content detection device using electromagnetic coils includes a ring-shaped electromagnetic sensor 10 installed around the molten steel injection flow, a signal cable 13 and a signal processor 12 . In this embodiment, the annular electromagnetic sensor 10 is fixed around the molten steel injection and the upper nozzle 11, and its outer ring is ad...

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Abstract

The invention relates to an apparatus for detecting molten slag content in a liquid metal injection flow. The apparatus comprises an annular electromagnetic sensor, a signal cable and a signal processor, wherein the annular electromagnetic sensor comprises a metal housing, a receiving coil, a compensation coil and an emission coil, the receiving coil, the compensation coil and the emission coil are sequentially arranged from the inner ring to the outer ring, and are prepared by winding a single core mineral insulated cable. The apparatus has the following characteristics that: the preparation process of the annular electromagnetic sensor is simple, the material cost is reduced, the production cycle is shortened, and the service life is prolonged.

Description

technical field [0001] The invention belongs to the field of slag content detection in the metallurgical industry, and in particular relates to a slag content detection device using an electromagnetic coil. Background technique [0002] During metal smelting, liquid metal needs to be transferred among multiple metallurgical vessels. The final slag that is transferred from one metallurgical vessel to another flows out with the liquid metal. In order to ensure the purity of liquid metal, improve the quality and utilization rate of liquid metal products, reduce the consumption of refractory materials caused by slag, and reduce the cost of smelting, etc., a slag content detection device is required to detect slag and slag in the liquid metal injection flow. Immediately terminate the operation of transferring liquid metal when the content of the liquid metal exceeds the allowable value. The existing slag content detection device utilizes the different conductivity properties of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/90
Inventor 田志恒
Owner HENGYANG RAMON SCI & TECH CO LTD
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