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A pyrolysis resource utilization system and method for oily sludge

A technology of recycling and pyrolysis, applied in the field of waste recycling, can solve problems such as low thermal efficiency and coking, and achieve the effects of high thermal efficiency, continuous operation and high oil yield.

Inactive Publication Date: 2018-12-07
嘉禾聚能(天津)科技有限公司
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Problems solved by technology

[0004] In order to solve the technical problems of low thermal efficiency and coking in the process of oil sludge pyrolysis in the prior art, the present invention provides a resource utilization process of oil sludge pyrolysis, which can make the oil sludge pyrolysis system have continuous operation ability and oil recovery at the same time. High efficiency, effectively improving the economy of sludge pyrolysis

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  • A pyrolysis resource utilization system and method for oily sludge
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  • A pyrolysis resource utilization system and method for oily sludge

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[0031] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will be described in detail in conjunction with the drawings and specific embodiments, wherein the same or similar symbols throughout represent the same or similar elements or have the same or similar functions element. In the description of the present invention, unless otherwise clearly stipulated and limited, the terms "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be constr...

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Abstract

A pyrolysis resource utilization system and method for oily sludge are disclosed. The system includes a mechanical dehydration unit, a flue gas drying unit, a rapid pyrolysis unit, a pyrolysis gas condensation unit, a cooling unit, an oil-water separation unit, a heat carrier lifting unit, a heating unit and a heat carrier separation unit. The oily sludge after mechanical dehydration and drying with flue gas is fed into the rapid pyrolysis unit together with a high-temperature heat carrier; generated pyrolysis gas passes through the pyrolysis gas condensation unit to obtain oil and noncondensable gas a part of which is fed into the heating unit and combusted; residues and the heat carrier after pyrolysis are fed into the heating unit through the heat carrier lifting unit, and then ash residues and the heat carrier are separated through the heat carrier separation unit; the separated high-temperature heat carrier is fed into the rapid pyrolysis unit for repeated use; and generated fluegas is conveyed to a flue gas drying unit for cyclic use. A process of cyclic heating and pyrolysis utilizing a large-particle solid heat carrier is adopted to significantly increase the oil extraction yield, and coking of the rapid pyrolysis unit can be prevented, thus ensuring continuous operation of the unit.

Description

technical field [0001] The invention belongs to the technical field of resource utilization of waste, and in particular relates to an oil sludge pyrolysis resource utilization system. The present invention also provides a method for using the above-mentioned system to carry out pyrolysis resource utilization of oil sludge. Background technique [0002] A large amount of oily sludge is produced in oilfield mining in my country every year. According to statistics, more than 1 million tons of oily sludge is added every year in my country. Because oily sludge contains water, benzene series, sulfides, hydrocarbons and sediment, not only Occupying a large amount of land and causing pollution, oily sludge has been listed as hazardous solid waste by the country, and the treatment of oily sludge has become an urgent problem in the oilfield mining industry. [0003] At present, the treatment methods of oily sludge mainly include: chemical treatment, biological treatment, landfill comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/10C10G1/00C10B49/16
CPCC02F11/10C10B49/16C10G1/00Y02W10/40
Inventor 刘冬梅
Owner 嘉禾聚能(天津)科技有限公司
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