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Novel vacuum intelligent control system and device of double-heat-storage vertical type magnesium metal smelting reduction furnace

An intelligent control system and dual heat storage technology, applied in the direction of furnace control devices, furnaces, furnace components, etc., can solve the problems of relying on experience and the professional quality of vacuum workers, and achieve the effect of online monitoring and accurate detection

Inactive Publication Date: 2014-02-05
宁夏鹏程致远自动化技术有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

The way to check the leak point is to listen to the sound manually, which relies heavily on experience and the professional quality of the vacuum worker.

Method used

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  • Novel vacuum intelligent control system and device of double-heat-storage vertical type magnesium metal smelting reduction furnace

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The system includes industrial computer 1, PLC programmable controller 2, vacuum leak detector 3, high frequency transformer 4, spark alarm 5, digital vacuum pressure gauge 6, electric vacuum regulating valve 7, connecting cable 8, PLC program Composed of 9, it is characterized in that a new type of vacuum intelligent control system and device for double heat storage vertical metal magnesium smelting reduction furnace generates electric sparks from the leaked vacuum detected by the vacuum leak detector 3, and the sound and light are emitted by the electric spark alarm Alarm and feed back to the PLC program 7 to control the opening and closing of the electric vacuum regulating valve 7 . The measuring range of the vacuum leak detector 3 is 0-14pa. The high-frequency transformer 4 is used for raising the 220V AC voltage to 2500V or 3000V. The spark alarm 5 and the vacuum leak detector 3 are installed in a container for detecting high-voltage sparks. The electric vacuum r...

Embodiment 2

[0015] Vacuum detector 3 uses high-frequency transformer 4 to increase the 220V AC voltage to 2500V or 3000V, so that spark discharge occurs between the two electrodes of the transmitter, and high-frequency current is generated, and the high-frequency current is fed to the series resonant circuit, and then The high-frequency transformer boosts the voltage to 180~210KV, and finally emits strong sparks on the tip electrodes. At this time, the electric spark alarm 5 sends out an audible and visual alarm after detecting the spark, so as to realize online monitoring of the vacuum system of the reduction furnace.

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Abstract

The invention relates to a novel vacuum intelligent control system and device of a double-heat-storage vertical type magnesium metal smelting reduction furnace. The system comprises an industrial computer 1, a PLC (programmable logic controller) 2, a vacuum leak detector 3, a high-frequency transformer 4, an electric spark alarm 5, a digital display vacuum pressure gauge 6, an electric vacuum control valve 7, a connection cable 8 and a PLC program 9. The novel vacuum intelligent control system and device of the double-heat-storage vertical type magnesium metal smelting reduction furnace has the main advantages that the detection is accurate and reliable, and online monitoring of vacuum leakage of a reduction furnace vacuum system is realized.

Description

technical field [0001] The invention relates to a novel vacuum intelligent control system and device of a double heat storage vertical type metal magnesium smelting reduction furnace, which belongs to the technical field of metallurgical automation control. Background technique [0002] At present, a new type of double-regenerative vertical magnesium smelting reduction furnace has appeared in my country for metal magnesium smelting and production. The furnace body adopts a double-regenerative reduction furnace, and metal magnesium smelting must be reduced under a pressure of 1-5pa. reaction. The vacuum system is composed of vacuum pipelines, valves, vacuum units (pre-pump and main pump), vacuum filter devices, and vacuum testers. Therefore, the quality and assembly level of the components of the vacuum tube system are the key conditions for determining the vacuum degree of the system. If the vacuum system leaks, the reduction reaction of magnesium metal cannot be guaranteed....

Claims

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Application Information

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IPC IPC(8): F27D19/00F27D21/00
Inventor 李军杨磊
Owner 宁夏鹏程致远自动化技术有限公司
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