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Radial particle washing device

A washing device and particle technology, applied in the restoration of polluted soil, etc., can solve the problems of high energy consumption, inability to meet the simultaneous washing of a large number of particles, noise pollution, etc., and achieve the effect of less energy consumption, good washing effect and space saving

Inactive Publication Date: 2017-12-12
EAST CHINA UNIV OF SCI & TECH
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

The energy consumption of this device is relatively high, which cannot meet the requirements of washing a large number of particles at the same time, and once the sound-absorbing filling material is damaged, the noise pollution will be serious

Method used

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Embodiment 1

[0030] After extensive and in-depth research, the inventors of the present application found that, for particle washing, the traditional mechanical washing methods mainly include impact jet reactor, stirring vessel and ultrasonic washing method. However, there are many disadvantages in the three methods. For example, the stirring container requires a large space, has relatively large noise, and the temperature difference between the tank center and the material near the tank wall is easy to produce, which affects the washing effect. Another example is the ultrasonic washing device, which has relatively high energy consumption and cannot satisfy a large number of particles to be washed at the same time, and once the sound-absorbing filling material is damaged, the noise pollution will be serious. The method of organic combination of swirl and cavitation can achieve good washing effect, and has compact structure, small space required, low energy consumption and high washing effic...

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Abstract

The invention relates to a radial pipe type particle washing device. The washing device is divided into three different forms according to the washing requirements and different properties of fed materials. The device comprises a straight pipe and / or a venturi pipe used as a pipeline of the washing device. A mandrel with an end portion provided with a flow guide cone, forward-rotation fins and reverse-rotation fins are arranged in the pipeline. The forward-rotation fins and the reverse-rotation fins are arranged on the mandrel with the flow guide cone in a front and back mode. The forward-rotation fins and the mandrel with the flow guide cone form a spin-forming unit, and the reverse-rotation fins and the mandrel with the flow guide cone form a reinforced mixing unit. The radial particle washing device has the beneficial effects that the liquid is rapidly fed into the fins through the flow guide cone, then the cavitation and acceleration effects of the venturi pipe on the fluid, the spin-forming effect of the forward-rotation fins and the reinforced mixing effect of the reverse-rotation fins are fully utilized, so that the spinning flow and the cavitation effect are organically combined together, and thus a good washing effect is achieved.

Description

technical field [0001] The invention relates to a particle washing device, in particular to a device for radial particle washing by coupling of swirling flow, cavitation and enhanced mixing. Background technique [0002] In the process of petroleum production, storage, transportation, refining, processing and use, due to accidents, abnormal operation and maintenance, etc., there will be spillage and discharge of petroleum hydrocarbons, for example, blowout accidents in the process of oil field development, oil well wax removal And oil field ground equipment maintenance, oil refining and petrochemical production equipment maintenance, etc. At present, my country's oil companies produce about 700,000 tons of ground crude oil every year, of which about 70,000 tons enter the soil environment. The oil content of the soil surface (0-20cm) in heavily polluted areas of my country's Daqing, Liaohe and other oilfields reaches 30%-50%. [0003] Due to the relatively backward technolo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/02
CPCB09C1/02
Inventor 杨强耿坤宇孙荣江
Owner EAST CHINA UNIV OF SCI & TECH
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