Oil sludge treating system and method

A technology of a treatment system and a treatment method, applied in the field of sludge treatment systems, can solve the problem of not being able to meet the pollutant discharge standards for sludge recycling and utilization, and achieve the effects of shortening dry distillation time, eliminating pollution and reducing overall costs.

Inactive Publication Date: 2013-12-04
中国大唐集团科学技术研究总院有限公司
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Problems solved by technology

[0005] In view of this, the technical problem to be solved by the present invention is to provide an oil sludge treatment system and method, so as to solve the

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[0012] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples, so that the realization process of how to use technical means to solve technical problems and achieve technical effects in the present invention can be fully understood and implemented accordingly.

[0013] Please refer to figure 1 , The oil sludge treatment system disclosed in an embodiment of the present invention includes a settling device 10, a feeding device 20, a dry distillation device 30, a cyclone separator 40, a condensation device 50, a centrifugal separator 60 and a boiler 70 .

[0014] The settling equipment 10 is connected to a sludge discharge equipment 80 to receive the sludge output from the sludge discharge equipment 80, such as petroleum sludge, sludge from a sewage treatment plant, etc. In this embodiment, shale sludge is used as an example for illustration, but not This is the limit. The settling device 10 also separates the...

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Abstract

The invention discloses an oil sludge treating system and method. The oil sludge treating system comprises a sedimentation device, a feeding device, a destructive distillation device, a cyclone separator, a condensation device, a centrifugal separator and a boiler. Oil sludge is divided into an oil-water layer and an oil sludge sediment through the sedimentation device; the oil sludge sediment is conveyed to the destructive distillation device through the feeding device, and is decomposed into destructive distillation gas and semicoke through the destructive distillation device; gas-solid separation is conducted through the cyclone separator; then the destructive distillation gas is cooled to be condensed fluid and non-condensable gas through the condensation device; the condensed fluid is divided into a recovered oil layer and a waste water layer through the centrifugal separator; finally the recovered oil is collected for later use. In addition, in the treating process, the oil-water layer, the semicoke, the non-condensable gas and the waste water layer are conveyed to the boiler for combustion. Therefore, the oil sludge treating system has functions of pollutant treatment and energy recovery, and is high economical efficiency.

Description

technical field [0001] The invention belongs to the field of waste treatment, and in particular relates to an oil sludge treatment system and method. Background technique [0002] Shale sludge is a solid pollutant with a certain calorific value (15000kJ / kg) and a high oil content (above 40%) formed in the dry distillation of kerogen shale. The yield is generally 0.3-0.5% of shale crude oil production, and at the same time, oil sludge is difficult to degrade naturally, and it is easy to pollute soil and groundwater when stacked. [0003] At present, solid waste treatment technologies such as oily sludge mainly include incineration, solvent extraction, biodegradation, and thermochemical methods. The shortcomings of these methods can be summarized into two categories: one such as incineration and biodegradation. , focusing on controlling pollutant emissions, ignoring resource recycling or limited energy recovery efficiency; the other, such as solvent extraction and thermochemi...

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Application Information

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IPC IPC(8): C02F11/10C02F11/12C10B53/00F23G7/04
Inventor 孙佰仲李少华王擎
Owner 中国大唐集团科学技术研究总院有限公司
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