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Rotary heating device

A technology of rotating heating and rotating support devices, which is applied in the heating of coke ovens, combustible gas heating coke ovens, and the petroleum industry. It can solve the problems of low gas pressure or flow distribution, unevenness, etc., and achieve good quality, stable heat transfer, Uniform and stable effect of pyrolysis process

Active Publication Date: 2014-05-14
CHNA ENERGY INVESTMENT CORP LTD +1
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AI Technical Summary

Problems solved by technology

[0006] The present invention aims to provide a rotary heating device to solve the problem of uneven gas pressure or flow distribution caused by fewer gas inlets leading to the material bed in the prior art rotary heating device

Method used

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Embodiment Construction

[0028] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0029] The rotary heating device according to one embodiment of the present invention provides a reasonable support structure for the rotary material bed to improve the mechanical stability of the rotary material bed, improve the path of the gas heat carrier entering the dryer and / or pyrolyzer, so as to improve the efficiency of the rotary material bed. The stability of the bed and the controllability of the distribution and flow of the gas heat carrier, so as to achieve the purpose of uniform heat transfer and uniform drying or pyrolysis, so as to finally establish a safe and stable industrial drying or pyrolysis device with large processing capacity .

[0030] The rotary heating device of th...

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Abstract

The invention provides a rotary heating device. The rotary heating device comprises a sealed shell, a rotary material bed, a material inlet pipe and an annular air inlet section, wherein the lower part of the shell is provided with an annular air-distributing groove; the rotary material bed is rotatablely arranged in the shell and is provided with a solid product discharge port and an air inlet gap; the material inlet pipe is arranged above the rotary material bed and is used for conveying materials to the rotary material bed; and the first end of the annular air inlet section passes through the air-distributing groove to be connected with the air inlet gap, and the second end of the annular air inlet section is connected with the outside so as to introduce hot gas into the shell. According to technical scheme provided by the utility model, the rotary heating device enables the hot gas introduced from the bed bottom of a rotary heating device to steadily and uniformly pass through a material layer in a reactor and to implement uniform and stable heat transmission, so that a pyrolysis process becomes uniform and stable, the operation is stable and controllable, and a final product has favorable quality.

Description

technical field [0001] The invention relates to the technical field of drying or pyrolysis of solid carbonaceous materials, in particular to a rotary heating device with a rotary material bed. Background technique [0002] In the context of the increasing shortage of global oil and gas resources, how to rationally utilize coal resources in a low-cost and environmentally friendly way to realize the supplement or even substitution of coal to oil and gas resources has become an important research topic in the energy industry. China's lignite reserves account for nearly 50% of the total coal reserves, and its high water content, high ash content, and low calorific value limit its utilization. The development of new high-efficiency and clean utilization technologies of lignite is one of the directions to be explored in the energy field. [0003] After years of research and experiments, it can be determined that the comprehensive utilization of lignite such as dehydration and upg...

Claims

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Application Information

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IPC IPC(8): C10B21/12C10B21/10
Inventor 翁力郭屹王向辉卢洪
Owner CHNA ENERGY INVESTMENT CORP LTD
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