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Pulverized coal upgrading pyrolysis device and upgrading pyrolysis process

A technology for upgrading and pulverizing coal, applied in the petroleum industry, special forms of dry distillation, coke ovens, etc., can solve the problems of low utilization efficiency, loss, easy combustion, etc., and achieve the effect of reducing carbon loss, improving efficiency, and reducing crushing

Active Publication Date: 2015-11-18
BEIJING GUODIAN FUTONG SCI & TECH DEV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0009] The present invention is aimed at the deficiencies of the above-mentioned prior art, and provides a pulverized coal pyrolysis upgrading furnace and process, which can effectively improve the utilization efficiency of pulverized coal, and overcome the problem of upgrading pulverized coal with a particle size of less than 1mm in the prior art. The technical problems of low utilization efficiency, easy combustion and serious loss in the process

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  • Pulverized coal upgrading pyrolysis device and upgrading pyrolysis process
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  • Pulverized coal upgrading pyrolysis device and upgrading pyrolysis process

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Embodiment Construction

[0046] Such as figure 1 As shown, the pyrolysis upgrading reaction furnace of the present invention includes a coal drop port 1 , a upgrading furnace body 2 , a gas outlet pipeline 3 , a gas outlet 4 , a toothed drive wheel 5 , and a toothed drive wheel 6 . The coal drop port 1 is set at the upper front end of the upgrading furnace body 2, and the raw pulverized coal enters the inside of the upgrading furnace body 2 through the coal drop port 1, and falls onto the toothed steel belt 6, which is driven by the toothed driving wheel. 5 drives the pulverized coal to advance slowly; the upgrading furnace body 2 is also provided with a heat exchanger 9, which is arranged at the lower and middle position of the toothed steel belt 6, and is used to realize the heating of the toothed steel belt 6; The heat exchanger 9 includes a flue gas inlet pipeline 10 and a flue gas outlet pipeline 8. The high-temperature flue gas from the hot blast stove 14 enters the heat exchanger 9 from the flu...

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Abstract

The invention relates to the field of coal chemical industry, in particular to the field of energy utilization. The invention provides a pulverized coal upgrading pyrolysis device and a process using the device. The device comprises a coal drop port, an upgrading furnace body, a gas outlet pipeline and a gas outlet. The device is characterized in that the upgrading furnace body is internally provided with toothed driving wheels and a toothed steel strip, and the toothed steel strip is a heating medium. Pulverized coal enters the upgrading furnace body through the coal drop port, drops onto the hot toothed steel strip, and is sent to the other end of the upgrading furnace body along with the movement of the toothed steel strip, thus realizing the upgrading pyrolysis reaction of pulverized coal. The device and the process provided by the invention can solve the technical problems of low utilization efficiency, easy combustion and serious loss in a pulverized coal upgrading process.

Description

technical field [0001] The invention relates to the field of coal chemical industry, in particular to the field of energy utilization, and in particular to a pulverized coal upgrading device and process. Background technique [0002] In recent years, with the deterioration of the atmospheric environment in northern my country, how to efficiently and rationally utilize coal resources and avoid direct combustion of coal has attracted more and more attention from domestic scholars, and the production of high value-added products through coal pyrolysis is a An effective way to cleanly and efficiently utilize coal resources. At present, the domestic equipment used for coal pyrolysis and upgrading mainly includes vertical carbonization furnaces and fixed heat carrier coal dry distillation fluidized beds, etc. The vertical carbonization furnace has the largest application scale, simple equipment, and low investment, but it also has many shortcomings. That is, only lump coal can be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/04
Inventor 张旭辉吴鹏林红滕济林屈万领张云鹏
Owner BEIJING GUODIAN FUTONG SCI & TECH DEV
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