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Method and device for microwave pyrolysis of sludge

A sludge and pyrolysis technology, which is applied in the fields of pyrolysis treatment of sludge, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problem of ineffective use of pyrolysis residue heat energy, high energy consumption, and low thermal efficiency And other issues

Active Publication Date: 2017-09-26
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

But there are also problems, such as the drying process is only carried out by microwave heating, the reaction time is long, the thermal efficiency is low, and the energy consumption is high; if the belt conveyor is used, a sludge shape controller needs to be installed to control the sludge shape, and the microwave absorption efficiency is low; Pyrolysis residue and its residual heat energy have not been effectively utilized, etc.

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  • Method and device for microwave pyrolysis of sludge

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Embodiment Construction

[0031] The present invention will be further described below with reference to the accompanying drawings.

[0032] The details presented herein are exemplary and for illustrative purposes only of embodiments of the invention, and are presented in order to provide what is believed to be the most useful and understandable description of the principles and conceptual aspects of the invention. In this regard, no attempt is made to introduce the structural details of the present invention beyond what is necessary for a basic understanding of the present invention, and those skilled in the art can clearly understand how to implement the present invention in practice from the description and the accompanying drawings. several forms.

[0033] figure 1 A schematic structural diagram of a device 100 for microwave pyrolysis of sludge provided according to the present invention is shown. The device 100 for microwave pyrolysis of sludge includes: a microwave reaction device 10, a water v...

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Abstract

The invention discloses a method and a device for microwave pyrolysis of sludge. The device for microwave pyrolysis of sludge comprises a microwave reaction device, a vapor recovery device and an oil gas recovery device in communication. The microwave reaction device comprises a microwave reaction cavity, and a first microwave generator arranged in a microwave reaction cavity enables the microwave reaction cavity to have a plurality of temperature areas in sequential temperature rise in the direction from an inlet of the microwave reaction cavity to an outlet. Microwaves serve as a heat source to substitute for a traditional heating method for microwave pyrolysis of sludge, water, pyrolysis gas and pyrolysis residues are obtained sectionally by means of sectional heating and condensation, and heat energy in a condensation process is completely used as a heat source for sludge drying, so that energy saving, environment friendly and sludge recycling are realized.

Description

technical field [0001] The invention relates to the field of sludge treatment, in particular to a device and method for oil field sludge treatment. Background technique [0002] In the prior art, common technical methods for oil sludge treatment mainly include landfill method, solidification method, incineration method, coking method, chemical hot washing, solvent extraction, biological treatment, brick making technology, etc. Among them, the heat treatment technology is not only conducive to improving the oil recovery rate in the sludge, but also at a higher temperature part of the heavy asphalt material can be coked into solid carbon, solidifying the heavy metals and other harmful substances contained in the sludge, and realizing the harmless treatment of the sludge. [0003] Existing heat treatment technologies are mainly divided into two types: traditional heat sources and microwaves. Traditional heat sources usually use electric heating or combustion heating, and the h...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/10
CPCC02F11/10C02F2303/06Y02W10/40
Inventor 谭文捷党伟黄辉唐志伟王莉莉胡长朝
Owner CHINA PETROLEUM & CHEM CORP
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