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Method for predicting quality of industrially produced coke by using 40kg test coke oven

A technology for testing coke oven and coke quality, applied in coke ovens, measuring devices, petroleum industry, etc., to achieve production benefits, reduce production risks, and maximize the effect

Active Publication Date: 2011-01-26
唐山建龙简舟钢铁有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

In view of the complexity of the coal blending mechanism, the traditional coal blending method can no longer meet the needs of modern production, and each coal blending scheme must be verified in advance. The 40Kg test coke oven test can be used to advance the industrial coke production. predict

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  • Method for predicting quality of industrially produced coke by using 40kg test coke oven
  • Method for predicting quality of industrially produced coke by using 40kg test coke oven
  • Method for predicting quality of industrially produced coke by using 40kg test coke oven

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Embodiment Construction

[0036] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.

[0037] A kind of method utilizing 40Kg test coke oven to predict industrialized production coke quality, comprises following processing step:

[0038] a. The coal used in the test is sampled from the coal yard. After being retrieved, gas coal, lean coal, and weakly sticky coal are mixed according to the proportion, and crushed with a hammer crusher to make it. Mix coking coal, fat coal, and 1 / 3 coking coal, and crush it with a hammer crusher to make the particle size ≤ 6mm;

[0039] b. The coal loading capacity of the iron box is 48±0.5kg (dry basis), which is loaded in six times, and tamped for 30 seconds after each loading;

[0040] c. In the small coke oven test, coal is charged at 820°C and coke is discharged at 1110°C. The entire coking time is 20.5h. The temperature rise curve refers to the attached figure 1 ;

[0041] d. The test coke ...

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Abstract

The invention relates to a method for predicting quality of industrially produced coke by using a 40kg test coke oven and belongs to the technical field of metallurgical test. The technical scheme comprises the following steps of: firstly, taking test coal according to the ratio of industrial production, mixing, crushing and producing coke in the 40kg test coke oven; secondly, making an industrial analysis sample and a terminal performance sample to obtain corresponding technical indexes; and finally, predicting the quality of the industrially produced coke according to the technical index test result of the test coke. The method has the advantages that the 40kg small coke oven test coke is used for predicting the industrially mass produced coke. Through the small coke oven test, an optimal coal blending scheme can be found according to the conditions of coal source, the coke with high quality can be produced, the production risks can be reduced and the production benefit can be maximized.

Description

Technical field: [0001] The invention relates to a method for predicting the quality of industrially produced coke by using a 40Kg test coke oven, which belongs to the technical field of metallurgical tests. Background technique: [0002] Early coking production only used a single type of coking coal for coking. Due to the development of the coking industry, the disadvantages of single type of coking coal coking have become more and more obvious, mainly in the following aspects: a. At present, coking coal resources in various countries are scarce, and the large-scale blast furnace has a negative impact on The requirements for coke quality and stability are getting higher and higher, but there are fewer and fewer strong caking coals in coking coal resources. This contradiction is particularly prominent in our country; b. The expansion pressure of coking coal is relatively high, which is easy to damage the furnace body; c. The shrinkage volume of coke cake is small, and the co...

Claims

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Application Information

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IPC IPC(8): G01N33/22G01N25/00C10B57/04
Inventor 王彬张洪希张向东王占祥尹玉王峥纪宝志牛国艳孟丽李张华
Owner 唐山建龙简舟钢铁有限公司
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