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Online detection method for granulation effect of cylinder mixer

A cylinder mixing and detection method technology, which is applied in the testing of machines/structural components, measuring devices, particle size analysis, etc., can solve the problem that the granulation effect of the mixer cannot be measured and described, local loose materials or large sticky materials appear, difficult Precise process control and other issues to achieve the effect of improving visual analysis difficulties, improving accuracy and reliability, and fast and rapid analysis

Pending Publication Date: 2021-08-17
HUATIAN ENG & TECH CORP MCC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the traditional mixing and granulation production process, the barrel length of the cylinder mixer is fixed, the transmission device is driven by a high-voltage motor with power frequency, and the inclination angle of the installation support is also fixed, so there is no effective means to control the mixing and granulation process
At the same time, the granulation effect of the mixer cannot be measured and described by simple physical quantities, so the production of the cylinder mixer can only be monitored by manual observation, and cannot be automatically quantitatively detected on-line
The unmeasurable and uncontrollable state of the mixed production process of sintering raw materials makes it difficult to realize the precise process control of the process. The quality of the mixture preparation in the iron ore sintering process cannot be guaranteed, and there will be local bulk or large sticky materials. It affects the normal operation of the subsequent production process of sintering, thereby reducing the quality stability of sintered ore products

Method used

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  • Online detection method for granulation effect of cylinder mixer
  • Online detection method for granulation effect of cylinder mixer
  • Online detection method for granulation effect of cylinder mixer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] The online detection method of the present embodiment comprises:

[0060] The first step: the sintering raw material is transported to the entrance of the mixer through the feeding belt, and a weighing detection device and a speed detection device are installed at the feeding belt, and the feeding speed of the sintering raw material is obtained through weighing and belt speed measurement. The sintered raw materials are stirred and mixed in a cylinder mixer to form a granular mixture.

[0061] Step 2: The mixed material at the outlet of the cylinder mixer falls onto the belt conveyor at the outlet, and the belt conveyor at the outlet changes the running speed through the frequency converter to adjust the thickness of the material layer.

[0062] Step 3: According to the collection cycle, the camera collects the material surface image of the belt conveyor at the discharge outlet at a fixed point and time, and uploads it to the online detection server.

[0063] Step 4: Th...

Embodiment 2

[0099] The online detection method of this embodiment sees image 3 :

[0100] The first step: the sintering raw material is transported to the entrance of the mixer through the feeding belt, and a weighing detection device and a speed detection device are installed at the feeding belt, and the feeding speed of the sintering raw material is obtained through weighing and belt speed measurement. The sintered raw materials are stirred and mixed in a cylinder mixer to form a granular mixture.

[0101] Step 2: The mixed material at the outlet of the cylinder mixer falls onto the belt conveyor at the outlet, and the belt conveyor at the outlet changes the running speed through the frequency converter to adjust the thickness of the material layer.

[0102] Step 3: According to the collection cycle, the camera collects the material surface image of the belt conveyor at the discharge outlet at a fixed point and time, and uploads it to the online detection server.

[0103] Step 4: The...

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Abstract

The invention discloses an online detection method for the granulation effect of a cylinder mixer. The method comprises the following steps: S1, monitoring the feeding speed of a sintering raw material; S2, monitoring the running speed of a belt at a discharge port of the cylinder mixer; S3, collecting a charge level image of a discharge port belt conveyor at regular time; and S4, performing analysis according to the charge level image, and calculating sub-item evaluation indexes and comprehensive evaluation indexes of the granulation effect of the mixier. By arranging the inlet feeding speed detection device, the outlet image detection device and the discharging port belt conveyor, reliable online collection and analysis of material images at the outlet of the cylinder mixer are achieved, image evaluation indexes are formulated to conduct quantitative evaluation on the granulation effect, and online detection of the granulation effect of the mixer is achieved.

Description

technical field [0001] The invention relates to an online detection method for the granulation effect of a cylinder mixer Background technique: [0002] Iron ore sintering is an important link in the modern iron and steel metallurgical process. Its main production link is to ignite and burn evenly mixed small granular raw materials on a trolley-type sintering machine to fuse them into massive sinter. In order to ensure the strength and chemical composition of sinter agglomerates, the raw materials need to be fully burned on the sintering machine. Various raw materials produced by sintering must be uniformly mixed, granular, and moderately humid before entering the sintering machine. Among them, uniform mixing is to ensure the consistency of the chemical composition of the material; granularity is to ensure sufficient air permeability during combustion, increase the outer surface of the material, and improve the consistency of combustion; moderate humidity is mainly to impro...

Claims

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Application Information

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IPC IPC(8): G01M99/00G01N15/00G01N15/02G06T7/00G06F17/11
CPCG01M99/005G01M99/008G01N15/00G01N15/0227G06T7/0004G06F17/11
Inventor 方田方实年叶学农李晓原沈浩苏磊
Owner HUATIAN ENG & TECH CORP MCC
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