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On-line rapid detection method and processing device for calorific value of sintered solid fuel

A solid fuel and detection method technology, applied in the preparation of test samples, weighing by removing certain components, etc., can solve the problem that the calorific value of solid fuel cannot be detected online, achieve small sample size, and increase detection frequency , The method is simple and easy to implement

Active Publication Date: 2020-09-15
武汉钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Therefore, based on the above problems, this application proposes an online rapid detection method for the calorific value of sintered solid fuel, combined with a very mature gas chromatograph, to solve the problem that the calorific value of solid fuel cannot be detected online

Method used

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  • On-line rapid detection method and processing device for calorific value of sintered solid fuel
  • On-line rapid detection method and processing device for calorific value of sintered solid fuel

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Embodiment 1

[0037] An online rapid detection method for calorific value of sintered solid fuel, the steps of which are:

[0038] 1) Sampling of sintered solid fuel samples: 5 sampling points were selected from the sintering combustion batching belt, and the amount of samples taken at each point was between 0.5 and 2g. g, for use;

[0039] 2) Divide the mixed sintered solid fuel sample: put the sintered solid fuel sample into the shrinker to divide, the number of times of division is 2 times, and one of the divided samples is The weight of a sample is 1.932g, and this sample of sintered solid fuel is called a reduced sample;

[0040] 3) Preprocess the reduced sample with a weight of 1.932g left in 2) in the processing device:

[0041] A, weighed 1.098g sample from the reduced sample, and put it into the sample container of the processing device, and then put the container on the platform of the electronic scale 3 in the processing chamber 2;

[0042] B. Dry the sample quickly: the dryin...

Embodiment 2

[0053] An online rapid detection method for calorific value of sintered solid fuel, the steps of which are:

[0054] 1) Sampling of sintered solid fuel samples: 8 sampling points were selected from the sintering combustion batching belt, and the amount of samples taken at each point was between 0.5 and 2 g. After mixing the samples, the total weight was weighed to be 11.4 g, for use;

[0055] 2) Divide the mixed sintered solid fuel sample: put the sintered solid fuel sample into the shrinker to divide, the number of divisions is 3 times, and one of the divided samples The weight of a sample is 1.417g, and this sample of sintered solid fuel is called a reduced sample;

[0056] 3) Preprocess the reduced sample with a weight of 1.417g left in 2) in the processing device:

[0057] A, weighed 0.981g sample from the reduced sample, and put it into the sample container of the processing device, and then put the container on the platform of the electronic scale 3 in the processing c...

Embodiment 3

[0069] An online rapid detection method for calorific value of sintered solid fuel, the steps of which are:

[0070] 1) Sampling of sintered solid fuel samples: 6 sampling points were selected from the sintering combustion batching belt, and the amount of samples taken at each point was between 0.5 and 2g. g, for use;

[0071] 2) Divide the mixed sintered solid fuel sample: put the sintered solid fuel sample into the shrinker to divide, the number of times of division is 2 times, and one of the divided samples is The weight of part sample is 1.814g, and this part sintered solid fuel sample is called shrinkage sample;

[0072] 3) Preprocess the reduced sample with a weight of 1.814g left in 2) in the processing device:

[0073] A, weighed 1.014g sample from the reduced sample, and put it into the sample container of the processing device, and then put the container on the platform of the electronic scale 3 in the processing chamber 2;

[0074] B. Dry the sample quickly: the ...

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Abstract

An online rapid detection method for a calorific value of a sintered solid fuel includes the following steps: sampling a sintered solid fuel sample; performing division on the well-mixed sintered solid fuel sample; pretreating a division sample in a processing apparatus; separately calculating a mass percentage content A of a carbon element and the mass percentage content B of a hydrogen element in the sintered solid fuel sample; and calculating a calorific value Q of the sintered solid fuel sample. The processing apparatus is mainly composed of a base, a processing chamber, an electronic scale, an air inlet pipe, an air inlet valve, an air outlet pipe, an air outlet valve, heaters, a lifting compression bar, a hydraulic cylinder, an L-shaped support frame, and a PLC controller, wherein the L-shaped support frame is connected to the base. The method can achieve online sampling and online detection, is small in sample size, and does not require manual intervention, the method is simpleand easy, the detection frequency can be improved, a change of the quality of the sintered solid fuel can be detected at any time, and a result is very close to a condition of on-site detection.

Description

technical field [0001] The invention relates to an analysis and detection method and a processing device, and specifically belongs to an online rapid detection method and a processing device for the calorific value of sintered solid fuel. Background technique [0002] The quality of sintered solid fuel and the dosage directly affect the formation of liquid phase in the sintering process, thus affecting the quality of sintered ore. The quality of sintered solid fuel is poor and the calorific value is low, so the amount of fuel that needs to be added needs to be increased to meet the needs of sintering. The quality of fuel fluctuates during the actual sintering process, and the dosage of fuel needs to be adjusted according to the change of fuel quality. [0003] At present, the detection of the quality of sintered solid fuel is through offline sampling detection, which has a long existence period and low frequency, and cannot meet the timeliness requirements of real-time prod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/44G01N5/04
CPCG01N1/44G01N5/04
Inventor 史先菊李军王素平肖慧
Owner 武汉钢铁有限公司
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