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Step-type chute material level detection device and method

A material level detection, step-by-step technology, used in grain processing and other directions

Active Publication Date: 2019-01-11
中冶北方(大连)工程技术有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a step-type chute material level detection device and method with simple structure, low cost, and no nuclear pollution, so as to solve the existing technical problem that a nuclear material level gauge must be installed to detect the chute material level

Method used

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  • Step-type chute material level detection device and method
  • Step-type chute material level detection device and method
  • Step-type chute material level detection device and method

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Embodiment

[0048] Combine below Figure 1-Figure 5 This embodiment will be described in detail.

[0049] Such as figure 1 As shown, the step-type chute material level detection device is fixed on the inner wall of chute 1, and is in direct contact with the storage material in chute 1; the detection unit of the chute material level detection device has a corresponding relationship with the chute material level, and the output signal of the detection unit is processed by signal acquisition Analyzed and calculated by the device, it is converted into a 4-20mA step signal output corresponding to the height of the material level, and the chute material level detection device and the signal acquisition processor are connected by a cable.

[0050] figure 2 It is a schematic diagram of the comparison of different material level heights detected by the detection device. Such as figure 2 As shown, according to the actual needs of on-site production, the detection device is equipped with 27 de...

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Abstract

The invention relates to a step-type chute material level detection device and method. The chute material level detection device is characterized by comprising wear-resistant cloth, a fixing sealing shell, a fixing plate and 25-40 detection units; the detection units comprise pressure measurement movable plates, reset springs, proximity switches, cables, limiting blocks, limiting pull ropes, supporting shaft blocks and supporting shaft pins; and the detection units are sequentially arranged along the fixing plate at equal intervals from bottom to top, and are electrically connected with a signal acquisition processor. The invention relates to a step-type chute material level detection method. The step-type chute material level detection method is characterized in that the detection deviceis installed on the inner side wall of a chute, all the detection units and chute material levels have a step corresponding relation, and the height of the step is the height of the detection units. The device has the advantages that the height of a chute material column can be measured by replacing a nuclear material level meter, the structure is simple, the cost is low, measurement is stable, measurement precision is high, and the device can be used for detecting the height of other powdery solid material columns.

Description

technical field [0001] The invention belongs to the technical field of solid powder material level detection, and in particular relates to a step-type chute material level detection device and method. Background technique [0002] The importance of pellets in the pre-iron field of the steel industry is self-evident. A core link of pelletizing is the pelletizing process, which affects the production efficiency of the entire line. An important indicator of the pelletizing process is the pelleting rate. There are many factors that affect the pelleting rate, one of the important factors directly related to the raw material of iron ore powder is the specific surface area of ​​the material, if the specific surface area of ​​the material does not meet the requirements, it will seriously affect the pelleting rate of the pelletizing process, which will affect the raw material of iron ore powder The granularity has certain requirements. Since the iron ore raw materials produced by m...

Claims

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Application Information

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IPC IPC(8): B02C4/28B02C23/02B02C25/00
CPCB02C4/286B02C25/00Y02P40/10
Inventor 王志国郝玉红寿宏飚徐健
Owner 中冶北方(大连)工程技术有限公司
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