Cyclone centrifugal separation method and equipment
A technology of centrifugal separation and equipment, which is applied in the direction of swirl devices and devices whose axial direction of swirl remains unchanged, etc., which can solve the problem of high viscosity of oil slurry, which affects the use of downstream users, affects the heat transfer effect of heat exchange equipment, and the life of equipment and the safe operation of the fractionation system to achieve high separation efficiency
Inactive Publication Date: 2016-08-24
刘英聚
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Problems solved by technology
[0006] The circulating oil slurry of the catalytic cracking unit contains catalyst fine powder. When the catalyst fine powder content is high, in addition to increasing the wear of the circulating oil slurry pump and heat exchange equipment, it will also increase the tendency of scaling and coking in the circulating oil slurry system, which will affect the heat transfer effect of the heat exchange equipment. , equipment life and safe operation of fractionation system
When the catalyst fine powder content in the oil slurry is high, it will affect the use of downstream users. Due to the high viscosity and high temperature of the oil slurry, it is extremely difficult to separate the catalyst fine powder with conventional equipment
Method used
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[0028] See figure 1 , the lower end of the light medium collection cylinder 10 is connected to the upper end of the cylinder 5 through the light medium discharge port 1A, and the upper end of the light medium collection cylinder 10 is provided with a light medium outlet 11; the central feeding pipe 3 extends from top to bottom along the central axis to the cylinder 5 The interior is connected to multi-channel (2-4 recommended) cyclone 4, the upper end of central feeding pipe 3 is connected to feeding port 2; the lower end of cone 6 is connected to heavy medium discharge pipe 8, and the upper end is connected to the lower end of cylinder 5.
[0029] See figure 2 , the lower end of the light medium collection cylinder 10 is connected to the upper end of the cylinder 5 through the light medium discharge port 1A, and the upper end of the light medium collection cylinder 10 is provided with a light medium outlet 11; Distributed, and extend from top to bottom to the inside of the ...
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The invention discloses a cyclone centrifugal separation method, and belongs to the technical field of petroleum chemical engineering, beneficiation, two-phase separation and environmental protecting equipment. The cyclone centrifugal separation method is characterized by comprising feeding, light medium emission and heavy medium emission, and is characterized by adopting 2-10 cyclone feeding and constant speed / acceleration two-section centrifugal separation; a light medium is leaded out from the center of the upper part; each quadrant of materials rotates with high speed through multiple cyclone feeding; and the centrifugal force being thousand times of the gravity is generated through further acceleration to perform two-phase separation. The invention further provides feeding pipe, cyclone and light medium emission pipe equipment for realizing the method. The equipment is high in efficiency, high in separation efficiency and used for process two-phase or multi-phase separation.
Description
technical field [0001] The invention belongs to the technical fields of petrochemical industry, mineral processing, two-phase separation and environmental protection, and in particular relates to a cyclone centrifugal separation method and equipment. Background technique [0002] Many industrial processes involve two-phase or multi-phase separation for process needs, equipment operation needs or environmental protection needs. Typical two-phase separation processes include gas and catalyst fine powder separation, gas-liquid separation, water and oil separation, water or oil and catalyst fine powder separation, etc. [0003] Reactors and regenerators operated with fluidized catalyst fine powder are equipped with catalyst fine powder recovery facilities, usually using cyclone separators. At present, the reactors and regenerators of catalytic cracking (FCC) and methanol-to-olefins (MTO) devices usually use PV-type cyclone separators or other improved cyclone separators, which ...
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Inventor 刘英聚
Owner 刘英聚