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Alloy metering accuracy control method

A control method and accurate technology, applied in electrical program control, program control in sequence/logic controller, furnace, etc., can solve problems such as inaccurate alloy measurement, excessive alloy addition, and out-of-standard elements, so as to prevent production accidents Effect

Pending Publication Date: 2020-03-24
ZHANGJIAGANG HONGCHANG STEEL PLATE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the electric furnace steelmaking workshop, the unloading vibrating machine is hung on the weighing hopper. The start and stop of the vibrating machine have a great impact on the measurement of the weighing hopper. Due to the relatively small space, the installation method of the vibrating machine and the weighing hopper cannot be changed for a while. , which often leads to inaccurate alloy measurement, negative deviation of empty scale often occurs, and production accidents such as excessive elements caused by excessive alloy addition.

Method used

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Embodiment Construction

[0015] Embodiments of the present invention are described in detail below, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The following embodiments are exemplary, and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0016] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understood that when an element is referred to as being "connected" or "co...

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PUM

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Abstract

The invention discloses an alloy metering accuracy control method. The control method specifically comprises the steps that an empty weighing data comparison block is added into a control system of the steelmaking feeding system, whether empty weighing data of a weighing hopper have negative deviation or not is judged before feeding, if yes, the control system forbids starting of the feeding system for feeding and sends out alarm information, and if not, the control system starts the feeding system for normal feeding for production.

Description

technical field [0001] The invention relates to a method for controlling the accuracy of alloy measurement, and belongs to the technical field of steelmaking and refining processes in the metallurgical industry. Background technique [0002] With the increasing demand for high-quality steel in recent years, the RH (abbreviation for vacuum cycle degassing) device is an important equipment for smelting high-quality steel, and more and more steel mills use it in the steelmaking production process. The RH process is adopted, and it is mainly used to produce high value-added steel types such as IF steel, silicon steel, pipeline steel, low-carbon high-strength steel, etc. The main purpose of RH equipment is to dehydrogenate, decarburize, deoxidize, and fine-tune the composition and temperature of molten steel. Reducing the carbon content to the lowest value has become the main production goal of RH equipment. [0003] The principle of RH is to immerse the dipping tube into the mo...

Claims

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Application Information

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IPC IPC(8): G05B19/04C21C7/10C21C5/52
CPCG05B19/04C21C7/10C21C5/527Y02P10/20Y02P10/25
Inventor 黄卫东
Owner ZHANGJIAGANG HONGCHANG STEEL PLATE CO LTD
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