Sensor for obtaining scoria flow-out signal during steel ladle casting

A sensor and pouring steel technology, applied in the direction of material impedance, material magnetic variable, etc., can solve the problem of high cost, achieve the effect of low cost, simple structure, and simplified structure requirements

Inactive Publication Date: 2003-11-19
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the prior art field, although the detection of slag outflow can be realized by using a sensor coupled with a detection coil and an excitation coil, or a sensor with a tapped coil, because the sensors are drawn out by more than two multi-wires and are shielded by stainless steel, Inevitably higher cost

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  • Sensor for obtaining scoria flow-out signal during steel ladle casting
  • Sensor for obtaining scoria flow-out signal during steel ladle casting
  • Sensor for obtaining scoria flow-out signal during steel ladle casting

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Embodiment Construction

[0009] figure 1 It is a structural principle diagram of the present invention. The sensor frame 4 is made of high-quality refractory material, and its shape is an I-shaped ring. A spiral coil 3 is wound in the I-shaped groove, and the coil wire is covered with an insulating magnetic tube 5, and the surrounding is filled with a heat insulating material 2, and the rest Fill the refractory mud 1 in the I-shaped groove of the steel pipe, the double-core high-temperature cable 6 is embedded in the skeleton 4 in advance, and then the whole is dried and formed.

[0010] The shape of the finished sensor is a ring made of resistant material, such as figure 2 shown. The wire ends of the double-core high-temperature cable 6 and the coil 3 pass through after being welded inside the skeleton 4 . The sensor is installed at the outlet of the ladle, and the high-temperature cable 6 passes through the ladle shell to connect with the connector box 7 mounted on the ladle shell.

[0011] i...

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Abstract

The invention discloses a sensor for capturing the flowing out of molten slag in casting steal from steel ladle. The process of manufacturing the sensor is as follows. There are spiral shaped winding wrapped in insulating magnetic tube on channel of circular ring frame with I bar shape. Heat insulating material is filled around said windings, and fire clay is filled in the channel. After drying and shaping the semi-finished product, the high temperature cable with double core is welded to windings and the other end of cable is connected to the linker box on the shell of the steel container. The invented sensor only contains one spiral shaped winding and minimum two lead out wires so it possesses features of simple structure and lower cost. The sensor also can be used in metallurgy industry.

Description

technical field [0001] The invention relates to a detection device, in particular to a sensor for acquiring slag outflow signals during ladle pouring. Background technique [0002] In the prior art field, although the detection of slag outflow can be realized by using a sensor coupled with a detection coil and an excitation coil, or a sensor with a tapped coil, because the sensors are drawn out by more than two multi-wires and are shielded by stainless steel, The inevitable cost is higher. Considering that the sensor is a consumable material, it is extremely necessary to have a simple structure, low cost and good performance. Contents of the invention [0003] The object of the present invention is to design a sensor that only includes one helical coil, has only two lead wires, has a simple structure and low cost, and acquires slag outflow signals during ladle pouring. [0004] The technical solution adopted in the pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/02G01N27/90
Inventor 邱东明
Owner ZHEJIANG UNIV
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