Oil-containing sludge pyrolysis device

A technology of oily sludge pyrolysis, which is applied in the fields of pyrolysis treatment of sludge, petroleum industry, and special forms of dry distillation, etc. Affect pyrolysis reaction and other issues

Active Publication Date: 2014-12-24
PETROCHINA CO LTD
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  • Application Information

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Problems solved by technology

As the pyrolysis reaction continues, the inner wall of the outer cylinder will continue to form coke, and the thickness of the coke will seriously affect the heat transfer efficiency between the outer cylinder and the oily sludge, thereby making the degree of pyrolysis of the oily sludge not stable. High, affecting the progress of the pyrolysis reaction

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  • Oil-containing sludge pyrolysis device

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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to figure 1 , The oily sludge pyrolysis device provided in one embodiment of the present application includes: a heat carrier 3 for heat transfer with the oily sludge; Pyrolysis chamber 24; the bottom or side wall of the pyrolysis chamber 24 is provided with a shutter 4 that can be closed and opened; An inle...

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Abstract

The invention provides an oil-containing sludge pyrolysis device which comprises heat carriers for exchanging heat with oil-containing sludge, a pyrolysis reaction unit and a screening piece, wherein a pyrolysis cavity for pyrolyzing the oil-containing sludge is formed in the pyrolysis reaction unit; a flashboard capable of being opened and closed is arranged at the bottom or on the side wall of the pyrolysis cavity; a first inlet for feeding the oil-containing sludge into the pyrolysis cavity, a pyrolyzed gas outlet for discharging pyrolyzed gas from the pyrolysis cavity and a second inlet for feeding the heat carriers into the pyrolysis cavity; the screening piece is arranged below the flashboard; a plurality of screening holes of which the areas are smaller than the cross sectional areas of the heat carriers are formed in the screening piece. According to the oil-containing sludge pyrolysis device provided by the invention, pyrolysis in an oil-containing sludge pyrolysis process can be effectively realized.

Description

technical field [0001] The application relates to the technical field of energy and environmental protection, in particular to an oily sludge pyrolysis device. Background technique [0002] Oily sludge treatment is an indispensable and important process link of oilfield sewage treatment system. The essence of oilfield sewage treatment is to separate and concentrate the oil and suspended solid particles in the sewage to form oily sludge, and then treat the oily sludge to recover and reuse the energy substances in the oily sludge. At present, oily sludge pyrolysis technology is generally used to treat oily sludge. Oily sludge pyrolysis technology is to organically combine distillation and thermal decomposition under oxygen barrier high temperature, and convert oily sludge into pyrolysis gas, pyrolysis residue and other substances. The pyrolysis gas contains a large amount of hydrocarbon components, and the pyrolysis residue also has a relatively high carbon content, so the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/10C10B53/00
CPCY02W10/40
Inventor 刘鹏刘光全岳勇孙静文张明栋任雯刘晓辉
Owner PETROCHINA CO LTD
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