A Judgment Method for Bonding Behavior of Continuous Casting Slab and Mold Copper Plate

A crystallizer copper plate and judgment method technology, applied in the field of metallurgical continuous casting technology, can solve the problems of not considering the response time and timeliness of bonding alarm, lack of example verification and comparative analysis, etc.

Active Publication Date: 2018-04-06
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method lacks a large number of example verification and comparative analysis, and does not consider important issues such as bonding alarm response time and timeliness

Method used

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  • A Judgment Method for Bonding Behavior of Continuous Casting Slab and Mold Copper Plate
  • A Judgment Method for Bonding Behavior of Continuous Casting Slab and Mold Copper Plate
  • A Judgment Method for Bonding Behavior of Continuous Casting Slab and Mold Copper Plate

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Embodiment 1

[0097] According to the specific condition of the slab continuous casting machine, the section of the slab is 230×(900~2150)mm 2 , the maximum casting speed is 2.03m / min, the fixed side (outer arc) and the movable side (inner arc) of the crystallizer are respectively buried with 6 rows and 12 columns of wide-faced copper plates, and a total of 72 thermocouples are buried respectively, and the left and right narrow-faced copper plates are respectively buried There are 12 thermocouples in 6 rows and 2 columns, and a total of 168 thermocouples are buried. At the same time, each thermocouple is numbered and marked. The row numbers are recorded as 1, 2, ..., 6 from top to bottom, and the column numbers are from left to The right is recorded as A, B, ..., L in turn, for example, 6G means the thermocouple in row 6 and column G. The calculation process of specific examples will be described below through the method for judging the bonding behavior of the continuous casting slab and th...

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Abstract

The invention discloses a judgment method of a bonding behavior between a continuous casting slab and a crystallizer copper plate, and belongs to the technical field of metallurgical continuous casting processes. The judgment method comprises the following steps: (1) the temperature data acquisition, preprocessing and storage of thermocouples in the crystallizer copper plate are performed; (2) the temperature rise abnormity inspection of single thermocouple is performed through the temperature change speed of the thermocouples; (3) the longitudinal bonding propagation model inspection between rows of the thermocouples with temperature rise abnormity and adjacent rows is performed to calculate the total number of the thermocoupls with temperature rise abnormity and satisfying the model inspection as X; and (4) the judgment of bonding alarming or bonding warning is performed according to the total number of the thermocoupls with temperature rise abnormity and satisfying the model inspection. The judgment method realizes judging timeliness and accuracy of casting slab bonding, shortens the alarming response time as far as possible, and reduces the wrong report frequency when guaranteeing 100% of bonding report rate.

Description

technical field [0001] The invention belongs to the technical field of metallurgical continuous casting technology, and more specifically relates to a method for judging the bonding behavior of a continuous casting slab and a mold copper plate. Background technique [0002] In the development process of constant-speed high-efficiency continuous casting technology with high casting speed as the core, the problem of bonded breakout is one of the key factors restricting high-speed continuous casting, and has become an important problem that continuous casting workers urgently need to solve . Solving the bonding breakout is of great significance to ensure the smooth production of high-speed continuous casting and the production of high-quality slabs. At present, in addition to improving the casting process factors that induce slab bonding, the main means is to develop effective slabs and molds. The method of judging the bonding of copper plates is to identify the bonding behavi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/20
CPCB22D11/202
Inventor 何飞周俐
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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