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Novel smelting control system of consumable vacuum furnace

A vacuum consumable furnace and control system technology, applied in the direction of furnace control devices, furnace types, furnaces, etc., can solve the problems of inability to control high-precision smelting, aggravated current fluctuations, and arc fluctuations

Pending Publication Date: 2022-06-24
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in practical applications, the arc will fluctuate, and the vacuum consumable furnace cannot accurately measure the arc voltage, and the melting rate object has the characteristics of hysteresis, which intensifies the current fluctuation, so it is impossible to carry out melting control with high precision

Method used

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  • Novel smelting control system of consumable vacuum furnace
  • Novel smelting control system of consumable vacuum furnace
  • Novel smelting control system of consumable vacuum furnace

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Embodiment Construction

[0026] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", The orientation or positional relationship indicated by "radial", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description , rather tha...

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Abstract

The invention provides a novel smelting control system of a consumable vacuum furnace, which comprises an industrial control computer, a programmable controller and a weighing system, and in the smelting process, the industrial control computer gives a smelting speed set value every 10% according to the percentage of the net weight of an electrode to the initial weight; the programmable controller obtains the corresponding actual electrode melting speed through calculation filtering processing, the purpose of measuring consumable electrode melting parameters through the weighing system is achieved, then the consumable electrode melting parameters are compared with the set melting speed, after PLC operation processing, corresponding melting current is obtained, current output is adjusted, and the actual melting speed follows the set melting speed; the novel smelting control system ensures the smelting speed control precision of the consumable electrode vacuum furnace by arranging the forward feeding device and the lag time.

Description

technical field [0001] The invention relates to the field of vacuum furnace metallurgy industry, in particular to a smelting control system of a vacuum consumable smelting furnace. Background technique [0002] A vacuum consumable furnace is an electric furnace that uses an arc as a heat source to smelt metal in a vacuum environment. It is mainly used for smelting rare metals and refractory metals, especially in the field of smelting titanium and titanium alloys. The structure of the vacuum consumable furnace mainly includes the X-Y adjustment system, the material rod system, the electrode clamping mechanism, the crucible water cooling system, the vacuum chamber, and the vacuum chamber is connected with the vacuum pumping system. The vacuum consumable furnace uses the arc discharge generated by DC to generate high temperature and rapidly melts the prefabricated metal consumable electrodes to achieve metal remelting when the vacuum degree reaches a certain standard. Vacuum ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B14/04F27B14/20F27D19/00F27D21/00H05B7/07
CPCF27B14/04F27B14/20F27D19/00F27D21/00H05B7/07F27B2014/045
Inventor 任乃飞王杰郭二廓
Owner JIANGSU UNIV