Multilevel atomizing hypergravity swinging bed with plane reticular lamina reinforced and uses thereof

A high-gravity rotating bed and planar network technology, applied in chemical/physical/physical-chemical mobile reactors, chemical instruments and methods, chemical/physical processes, etc., can solve the problem of limiting the surface area of ​​droplets in a high-gravity rotating bed, heat transfer, Mass transfer and dust removal efficiency and other issues, to achieve the effect of enhanced mass transfer, enhanced mass transfer and heat transfer, and strong capture effect

Inactive Publication Date: 2008-08-06
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the further improvement of the droplet surface area and its heat transfer, mass transf

Method used

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  • Multilevel atomizing hypergravity swinging bed with plane reticular lamina reinforced and uses thereof
  • Multilevel atomizing hypergravity swinging bed with plane reticular lamina reinforced and uses thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Fig. 2 shows a structural form of the multi-stage atomizing high-gravity rotating bed with spaced plane screens of the present invention. As shown in FIG. 2 , the multi-stage atomizing high-gravity rotary bed with spaced plane screens includes a housing 10 , a rotating shaft 11 , a plane screen 9 , a drum 7 , a motor 1 and a rotary demister 4 . The rotating shaft 11 is located in the center of the cylindrical housing 10 and is connected with the motor 1. The lower end of the housing 10 is provided with an air inlet 2 and a liquid outlet 12, and the upper end is provided with an air outlet 5. The rotary demister 4 is fixed by welding or bolts. The method is fixed on the rotating shaft 11; the outer periphery of the rotating shaft in the housing is provided with a hollow drum 7, which is a rotating drum of a multi-stage atomization supergravity rotating bed, specifically a porous stainless steel seamless pipe, and titanium can also be used. The seamless pipe made of stain...

Embodiment 2

[0025] The difference from Example 1 is that this embodiment has two plane screens 9 in total. The plane screen is made of PP as the skeleton, and PE screen is arranged on it; the drum is a porous PP cylinder with an outer diameter of 160mm, and the The height of the flat screen is 600mm, the distance between the flat screens is 200mm, the outer diameter of the flat screen is 280mm, and the flat screen is fixed on the drum by welding. After testing, compared with the ordinary multi-stage atomized rotary bed, the total heat transfer coefficient of the enhanced multi-stage atomized high-gravity rotary bed with spaced apart planar screens is increased by 6%, and the total mass transfer coefficient is improved. 7%, dust removal efficiency increased by 5%.

Embodiment 3

[0027]The difference from Example 1 is that this embodiment has two flat screens in total. The flat screen is a porous screen perpendicular to the axial direction and horizontal. As shown in Figure 1A, the flat screen is a stainless steel structure. A mesh panel that fixes two layers of stainless steel wire mesh. The flat screens are installed at intervals on the drum body. The drum is a porous seamless stainless steel pipe, the outer diameter of the drum is 160mm, the height of the drum is 600mm, the distance between the flat screens is 200mm, the outer diameter of the flat screens is 280mm, and the flat screens are fixed by welding. on the ribs of the drum. After testing, compared with the ordinary multi-stage atomized rotary bed, the total heat transfer coefficient of the enhanced multi-stage atomized high-gravity rotary bed with spaced apart planar screens is increased by 6.5%, and the total mass transfer coefficient is improved. 8%, dust removal efficiency increased by ...

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Abstract

The invention discloses a reinforced multi-stage spraying high-gravity rotating packed bed with a flat netted board and the application thereof, the rotating packed bed comprises a rotating bed shell, a motor and a rotating shaft which is arranged inside the shell, the peripheral of the shaft is provided with a hollow tumbler, a middle pipe with a hole is inserted into the middle of the shaft which is provided with hollow structure, the pipe is provided with a liquid inlet port, a rotating shaft inside the tumbler is provided with small holes, the tumbler corresponding to the rotating shaft is also provided with small holes, at least two flat netted boards are fixedly arranged on the tumbler, which are arranged horizontally, and an axial distance is kept between the flat netted boards. The reinforced multi-stage spraying high-gravity rotating packed bed with the flat netted board can not only strengthen the mass-transfer and heat-transfer between gas-liquid two phase, and improve dedusting efficiency, but also can avoid high gas resistance loss, so in the condition of low gas resistance, high heat-transfer and mass-transfer coefficient and high dedusting efficiency can be obtained, and in industry, the invention has the value of being widely spread and applied.

Description

technical field [0001] The invention relates to an enhanced rotary bed, in particular to a compound enhanced multi-stage atomization high-gravity rotary bed with spaced apart planar screen plates and its application in enhanced heat transfer, mass transfer and dust removal. Background technique [0002] There are many forms of existing high-gravity rotating beds, among which concentric circular thin-plate packing rotating bed gas-liquid mass transfer reactor (patent number is ZL95214611.8), plate-type rotating film gas-liquid mass transfer reaction device (patent number is ZL95106281. 6), gas axial flow rotary packed bed gas-liquid heat and mass transfer device (patent No. ZL97212054.8), etc. [0003] When the gas-liquid cross-flow type super gravity rotary bed (ZL97212054.8) is working, the liquid is sprayed from the small hole of the central water inlet pipe, and is thrown into the drum by the rotating shaft with the hole; the moving liquid droplets hit the high-speed rota...

Claims

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Application Information

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IPC IPC(8): B01D3/30B01J8/10B01J19/28
Inventor 潘朝群邓先和
Owner SOUTH CHINA UNIV OF TECH
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