Oily sediment treatment method and device

A treatment method and technology of a treatment device, applied in sludge treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as inability to obtain purity and complex equipment, and achieve convenient and fast movement and low operating costs The effect of low cost and convenient transportation

Active Publication Date: 2012-10-10
中洁环淼(江苏)环境科技有限公司
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  • Abstract
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Problems solved by technology

Therefore, this set of equipment is complicated and cannot obtain oil products with relatively high purity.

Method used

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  • Oily sediment treatment method and device
  • Oily sediment treatment method and device
  • Oily sediment treatment method and device

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Embodiment Construction

[0052] In order to further understand the present invention, the preferred embodiments of the present invention are described below in conjunction with the examples, but it should be understood that these descriptions are only to further illustrate the features and advantages of the present invention, rather than limiting the claims of the present invention.

[0053] The present invention provides a kind of cleaning method that contains the oily silt sand that contains sundry, and it mainly comprises the following steps:

[0054] 1. Trommel screen screening step: Send the oily mud sand containing sundries into the drum screen; the oily mud sand containing sundries passes through the drum screen, discharges the bulk sundries, and transports the oily mud sand to the first ultrasonic filter through the first screw conveyor. cleaning device;

[0055] 2. The first ultrasonic cleaning step: in the first ultrasonic cleaning device, the agitator first stirs the oily mud and sand for 2...

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Abstract

The invention provides an oily sediment treatment method and device. The method comprises the following steps of screening by a rotary screen; carrying out two times of ultrasonic washing and two times of air stripping; and utilizing the corresponding oily sediment treatment device. The oily sediment treatment method and device disclosed by the invention have the advantages of less investment andconvenience for transportation; the oily sediment can be movably, conveniently and rapidly cleaned, so that not only oil sand grains with the diameter of more than 80 mm can be washed cleanly, but also the aims of carrying out a plurality of steps of washing on the oil sand grains with the diameter of more than 80 mm and protecting the environment are achieved; and the oil content of the treated oily sediment completely achieves an environment-friendly discharge standard.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a treatment method and device for oily mud sand. Background technique [0002] During the development, transportation, and storage of land and offshore oil, a large amount of scattered oily sand will be produced, such as the large amount of oily sand that will be produced after cleaning the bottom sediments of oil storage tanks, dehydration tanks, and waste oil tanks during oil field production, and Oil spills that drift to the coast after a shipwreck at sea, etc. The composition of oily mud sand is complex, and it is in the mixed state of oil, mud, sand and water. It is a solid waste and pollutes the water environment and soil environment. [0003] At present, the treatment of oily mud and sand in oilfields at home and abroad usually includes centralized stacking, isolation, coagulation treatment, hot water washing, solvent oil extraction, dry incin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00
Inventor 陈彩霞张国林文振驎韩立辉
Owner 中洁环淼(江苏)环境科技有限公司
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