Device and method for cleaning filler by means of bubbles through flotation
A technology of bubble cleaning and bubbles, which is applied in cleaning methods and utensils, cleaning methods using liquids, chemical instruments and methods, etc., which can solve the problems of high backwash pressure, difficulty in cleaning the glass filler, and large consumption of backwash liquid, etc. problem, to achieve the effect of reducing dosage, better cleaning effect and accelerating shedding
Active Publication Date: 2020-11-24
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology
The purpose of backwashing is mainly to clean the glass bead packing. In the past, the method used was mostly to directly carry out liquid or gas-liquid mixed backwashing on the electrostatic separator. Large, and need to ensure a large backwash pressure
The conventional backwashing method will also generate a large amount of waste liquid, which makes it difficult to realize the reuse of the cleaned oil slurry
Method used
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0026] Such as Figure 1-Figure 3 as shown, figure 1 It is a front sectional view of the structure of the flotation air bubble cleaning packing device of the present invention, figure 2 for figure 1 A top view of the device shown, image 3 It is a top view of the cover plate of the present invention; a device for cleaning packing by flotation air bubbles, which is characterized in that it includes a cylinder body 5, an overflow structure 22, a bubble generating...
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The invention discloses a device and method for cleaning a filler by means of bubbles through flotation. The device for cleaning the filler by means of the bubbles through flotation comprises a cylinder, an overflow structure, a bubble generation structure, an ultrasonic structure and a stirring and shearing structure; the bubble generation structure mainly comprises bubble nozzles, a gas-liquid cavity, a gas-liquid conduit and the like; the bubble nozzles comprise reducing pipes, throat pipes, diffusion pipes and mixing pipes, channels of the reducing pipes, the throat pipes, the diffusion pipes and the mixing pipes are connected to form venturi tube-shaped flow channels, and micro-air columns are sucked in from micropore channels through generation of negative pressure and then sheared into bubbles; and the bubbles are refined into microbubbles in combination with the ultrasonic structure and the stirring and shearing structure, so that oil slurry on the surface of the filler is desorbed and floats upwards through the bubbles to be discharged into the overflow structure, and then cleaning of the filler is achieved. Compared with other filler backwashing methods, the device has the advantages that less cleaning liquid is used for cleaning, the cleaning speed is higher, the cleaning effect is better, and less waste liquid is generated.
Description
technical field [0001] The invention relates to the field of packing cleaning of an electrostatic separation device, and mainly relates to a device and a cleaning method for cleaning packing by flotation air bubbles. Background technique [0002] Catalytic cracking oil slurry is a by-product of catalytic cracking unit. It is generally sold as waste oil at a low price or burned as fuel. This will not only cause corrosion and coking of the furnace nozzle, but also cause a great waste of resources. The main component of catalytic oil slurry is condensed ring aromatic hydrocarbons, and high-quality petroleum coke, carbon black and rubber softening oil can be produced through advanced processing. However, due to the relatively high catalyst particles contained in the oil slurry, it is difficult to comprehensively utilize the oil slurry. Therefore, it is necessary to process the catalyst particles in the oil slurry to meet the requirements of different products for catalyst parti...
Claims
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IPC IPC(8): B08B3/12B08B3/10B08B3/04
CPCB08B3/048B08B3/104B08B3/12
Inventor 李强曹昊李安萌郭林飞邱擎柱许伟伟王振波
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)