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Determination apparatus and determination method of flowability of coal water slurry based on digital image technology

A digital image and fluidity technology, which is applied in the coal-water slurry fluidity tester and measurement field. The coal-water slurry fluidity tester and the measurement field based on digital image technology can solve the problem of inability to numerically distinguish, large manual operation error, etc. It is easy to cause disputes and other problems, and achieve the effect of avoiding coarse and uneven particle size, high accuracy and guidance, high discrimination and contrast.

Pending Publication Date: 2017-06-30
CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, some research institutes and enterprises are aware of this situation, and instead manually judge the flow state of the slurry, and classify its fluidity into several grades such as B, B+, and C according to the intermittent state of the material when it flows down naturally. , although this method is suitable for judging the fluidity of coal water slurry, there are large manual operation errors, and the judgment results are greatly affected by the operator's operating techniques, test experience and subjective consciousness, and it is easy to Controversial and cannot be distinguished numerically when the slurry flow regime is only slightly different

Method used

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  • Determination apparatus and determination method of flowability of coal water slurry based on digital image technology
  • Determination apparatus and determination method of flowability of coal water slurry based on digital image technology
  • Determination apparatus and determination method of flowability of coal water slurry based on digital image technology

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Embodiment 1

[0046] The raw material coal that present embodiment adopts is God mixed 1# coal (hereinafter referred to as " Shenhua coal "), and its whole water M t =16%, received base ash A ar = 9%, received base volatile V ar = 23%. The coal-water slurry measured in this embodiment is the fuel coal-water slurry that adopts Shenhua coal to make, and wherein the coal dust of particle diameter≤0.5mm accounts for 95%, and the coal dust of particle diameter≤0.075mm accounts for 66%, and the coal slurry concentration is 63%.

[0047] The concrete process that present embodiment measures above-mentioned coal-water slurry fluidity is:

[0048] 1) if figure 2 As shown, before the test, the standard plate is placed on the tray 2, and the control device 8 obtains the image data of the standard plate taken by the shooting device 6, and then performs parameter calibration operations to obtain the correction coefficient surface z=G(x, y), and the correction After completion, remove the standard ...

Embodiment 2

[0055] The raw coal used in this embodiment is the Yangta coal of Zhungeer Coalfield, and its analysis level M ad =5.7%, air-dry basis ash A ad =7.1%, air-dry basis volatile matter V ad = 31.4%. The coal-water slurry measured in this embodiment is the gasified coal-water slurry made from Yangta coal, wherein the coal powder with particle diameter≤1.43mm accounts for 99%, and the coal powder with particle diameter≤0.075mm accounts for 41%. The concentration is 62%.

[0056] The concrete process that present embodiment measures above-mentioned coal-water slurry fluidity is as follows:

[0057] 1) if image 3 As shown, before the test, put the standard plate on the tray 2, the control device acquires the image data of the standard plate captured by the shooting device, and then performs parameter calibration operations to obtain the correction coefficient surface z=G(x, y), after the correction is completed Remove the standard plate;

[0058] 2) Put the gasified coal-water ...

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Abstract

The invention relates to a determination apparatus and determination method of flowability of coal water slurry based on digital image technology. The determination apparatus is characterized by comprising a pedestal, a charging tray, a vertical support, a robotic arm guide rail, a power apparatus, a robotic arm clamping device, a container, a shooting device and a control apparatus. The top of the pedestal is provided with a groove, the charging tray for loading released coal water slurry is fixed in the groove, the vertical support is fixed at one side of the top of the pedestal, and the robotic arm guide rail is in slide arrangement with the vertical support and is in fixed connection to an output end of the power apparatus. One end of the robotic arm clamping device is in fixed connection to the robotic arm guide rail, and the other end of the robotic arm clamping device clamps and fixes the container for holding coal water slurry. The shooting apparatus is in fixed connection to the vertical support and is in electrical connection to the control apparatus fixed on the vertical support. The determination apparatus and determination method can be widely applied to quantitative and qualitative determination process of flowability of coal water slurry.

Description

technical field [0001] The invention relates to a coal-water slurry fluidity tester and a test method, in particular to a coal-water slurry fluidity tester and a test method based on digital image technology, and belongs to the technical field of coal-water slurry. Background technique [0002] Coal water slurry is a coal-based fluid fuel and gasification raw material composed of coal, water and additives. It can be used for combustion power generation or gas supply of industrial boilers, kilns and power plant boilers, and can also be used for coal gasification to produce synthetic ammonia, methanol, olefins, oil, etc. chemicals and natural gas. According to incomplete statistics, by the end of 2015, the consumption of fuel coal-water slurry in my country has reached 30 million tons per year, and the consumption of gasification coal-water slurry has exceeded 100 million tons per year. The rheological properties of coal water slurry are the basic characteristics of coal wate...

Claims

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Application Information

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IPC IPC(8): G01N11/00
CPCG01N11/00G01N2011/0006G01N2011/0013G01N2011/0026
Inventor 苏鑫李发林孙海勇蔡洪涛王国房张静何红兴杜丽伟张桂玲王建军梁兴王艳芳莫日根
Owner CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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