Oil-containing sludge fluidization and reduction process

A process technology and reduction technology, which is applied in the field of oily sludge treatment and recycling in oil fields, can solve the problems of large investment and land occupation, low economic benefits, and restrictions on popularization and application, and achieve less equipment, good economic and social Benefits, simple operation

Inactive Publication Date: 2006-07-19
LIAOHE GASOLINEEUM EXPLORATION BUREAU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to realize the harmlessness, reduction and recycling of solid oily sludge, the oily sludge treatment technology currently used on site usually includes four parts: fluidization, cleaning, separation and concentration. The land area is large, so the economic benefits are low, and the popularization and application are limited

Method used

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  • Oil-containing sludge fluidization and reduction process

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Embodiment Construction

[0013] The present invention is provided by the following embodiments, which will be described below in conjunction with the accompanying drawings.

[0014] As shown in the figure, the equipment and process flow adopted by the present invention are as follows: the belt conveyor 1 transports the sludge to the vibrating screen 2, and after the larger sludge particles are screened out, they enter the sludge with the help of a bucket elevator 3. Fluidized sand washer 4, in which sewage pump 12 is used to add sewage, feed steam to heat, add medicament to stir and mix; set aside to settle; waste oil discharged from fluidized sand washer 6 is lifted to sewage by sewage pump 10 The oil tank 11 is recycled; the screw propeller 5 is used to push the mud-water mixture into the inclined plate settler 6 for sedimentation and separation again; the sewage discharged from the inclined plate settler 6 passes through the circulating water tank 8 and is lifted by the sewage pump 9 to fluidized sa...

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PUM

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Abstract

The invention relates to a fluidization and decrement technique for oil-contained sludge. Wherein, using stirring and liquefying and recovering as the kernel, and completing the fluidization and cleaning and separation in same device with necessary auxiliary devices. This invention needs less devices, is simple and high reliable, and has well economical and social benefits without pollution.

Description

Technical field: [0001] The invention relates to a technology for treating and recycling oily sludge in oilfields. Background technique: [0002] In the process of oilfield development and production, along with the extraction of crude oil and natural gas, there will be problems in the treatment and recycling of oily sludge and oily sewage. In order to realize the harmlessness, reduction and recycling of solid oily sludge, the oily sludge treatment technology currently used on site usually includes four parts: fluidization, cleaning, separation and concentration. The land area is large, so the economic benefits are low, and the popularization and application are limited. Invention content: [0003] The purpose of the present invention is to provide a fluidization reduction process technology of oily sludge with less equipment, less investment and land occupation, simplified process and high efficiency. [0004] The present invention is achieved like this. This kind of p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F103/10
Inventor 张立柱张瑞成王福贵
Owner LIAOHE GASOLINEEUM EXPLORATION BUREAU
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