Filtering and purifying device for inferior solid-containing oil product and use method thereof

Abstract

The invention discloses a filtering and purifying device for an inferior solid-containing oil product and a use method thereof. The device comprises a raw material liquid conveying pipeline, a membrane assembly, a penetrating fluid pipeline, a concentrated liquor drain pipeline, a concentrated liquor circulating pipeline, a cleaning pipeline, a raw material input pipeline, a raw material pump, a raw material output pipeline, a raw material control valve, a penetrating fluid output pipeline, a penetrating fluid control valve, a concentrated liquor drain pipeline, a concentrated liquor drain control valve, a concentrated liquor circulating input pipeline, a circulating pump, a concentrated liquor circulating output pipeline, a concentrated liquor circulating control valve, a cleaning input pipeline, a flushing tank, a cleaning tank, a cleaning pump, a cleaning output pipeline and a cleaning control valve. The device disclosed by the invention has the beneficial effects that the method for filtering and purifying the inferior solid-containing oil product of the device removes solid particles in the oil product, so that the quality grade of the oil product is improved, comprehensive utilization of the inferior oil product is facilitated, the economical benefit is improved, and a downstream production device is prevented from fluctuating as the original inferior oil product is processed.

Description

technical field [0001] The invention relates to a filtering and purifying device, in particular to a filtering and purifying device for inferior solid-containing oil products and a method for filtering and purifying inferior solid-containing oil products, which belong to the technical field of petrochemical industry. Background technique [0002] Membrane separation was a new separation technology that appeared in the early 20th century and rose rapidly after the 1960s. Membrane separation technology has the functions of separation, concentration, purification and refining, as well as high efficiency, energy saving, environmental protection, and molecular level filtration. And the filtration process is simple and easy to control. Therefore, it has been widely used in food, medicine, biology, environmental protection, chemical industry, metallurgy, energy, petroleum, water treatment, electronics, bionics and other fields, resulting in huge economic benefits and social Efficie...

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Problems solved by technology

In order to broaden the sources of raw materials and gain benefits from deep processing, catalytic cracking units and delayed coking units also continue to increase the proportion of residual oil blending, which makes the processing difficulty of the units more difficult, the operating conditions worsen, and the composition of the liquid oil products produced also changes. It is more complex and seriously affects the distribution and quality of oil products, and some even cannot operate normally due to coking and fouling. The amount of coking wax oil and the amount of coking wax oil discharged from the delayed coking process are also increasing. At present, the catalytic oil slurry is generally used as a blending component of heavy fuel oil, which not only has low utilization value and high-quality chemical raw materials. The fine powder will wear the burner of the furnace, cause serious ash accumulation on the surface of the furnace tube, reduce the thermal efficiency, and affect the smooth operation of the furnace. In addition, the coal tar obtained in the process of coal dry distillation and gasification is also similar to catalytic oil slurry and coker wax oil. Because it contains a large amount of solid substances such as coal powder, coke powder and pyrolytic carbon, most of them are currently burned as crude fuel oil, which not only causes environmental pollution, but also wastes high-quality chemical raw materials

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