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Method for determining the state of refractory linings of metallurgical furnaces, especially for melting metals

一种熔化金属、耐火衬里的技术，应用在衬里修复、熔炉监控装置、炉等方向，能够解决炉衬里全面确认不可能等问题

Active Publication Date: 2017-07-28
REFRACTORY INTELLECTUAL PRORERTY GMBH & CO KG
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  • Abstract
  • Description
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Problems solved by technology

However, with this method, a complete confirmation of the furnace lining is also not possible

Method used

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  • Method for determining the state of refractory linings of metallurgical furnaces, especially for melting metals

Examples

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Embodiment Construction

[0012] The present method particularly relates to metallurgical furnaces, one such furnace 10 is shown in figure 1 As an example in the cross-section. In this example, the furnace 10 is a converter, known per se, for the manufacture of steel. The furnace 10 basically consists of a metal casing 15, a refractory lining 12 and gas purge plugs 17, 18 which can be coupled to a gas source (not shown in detail).

[0013] The molten metal poured into this furnace 10 during operation is metallurgically processed, for example by a blowing process, which process will not be described in any further detail. Typically a large number of these converters 10 are used simultaneously in a steel plant and data is recorded for each of these converters.

[0014] It goes without saying that the method can be used in different metallurgical furnaces, such as for example in electric furnaces, blast furnaces, ladles, furnaces in the field of non-ferrous metals, such as aluminum melting furnaces, cop...

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Abstract

The invention relates to a method for determining the state of a refractory lining of a furnace (10), in particular containing molten metal. In the method, maintenance data, production data and wall thicknesses are measured or confirmed after the furnace ( 10 ) has been used at least at the locations with the highest degree of wear, together with additional process parameters of the furnace ( 10 ). The data is then collected and stored in a data structure. A computational model is generated from at least some of the measured or validated data or parameters, and the data or parameters are evaluated by means of the computational model using calculations and subsequent analysis. As a result, relevant or indispensable confirmation processes and subsequent analyzes can be carried out, based on which the optimization of the complete process with respect to the furnace lining as well as the molten metal in the furnace is achieved.

Description

technical field [0001] The invention relates to a method for determining the state of a refractory lining of a metallurgical furnace, preferably a furnace in particular for melting metals according to the preamble of claim 1 . Background technique [0002] Calculation methods exist for the construction of refractory linings, in particular for metallurgical furnaces for melting metals, in which validated data or empirical values ​​are converted into mathematical models. Since the effective wear mechanisms used in metallurgical furnaces cannot be detected or taken into account with sufficient accuracy using these mathematical models, the possibilities for mathematically determining the refractory construction and maintenance of the lining are very limited, i.e. the refractory values ​​for furnaces (e.g. converters) still have to be made manually Determination of the life cycle of the lining. [0003] In the method according to the publication WO-A-03 / 081157 for measuring the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D1/16F27D21/00
CPCC21C5/445F27D1/1636F27D1/1642C21C2005/448F27D3/1518F27D21/0021F27D21/00F27D1/16F27D2001/0046F27D3/1509F27D21/0014F27D21/0035
Inventor G.拉姆梅C.詹德K-M.泽特尔
Owner REFRACTORY INTELLECTUAL PRORERTY GMBH & CO KG
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