A high-gravity rotating bed device with staged liquid feeding and enhanced rotor end effect

A technology of supergravity rotating bed and rotor end, applied in the field of supergravity rotating bed device and supergravity rotating packed bed, can solve the problems of increasing equipment space, underutilization of packing, affecting the stability of the device, etc. The effect of increased mass transfer efficiency

Active Publication Date: 2011-11-30
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a system requiring longer reaction residence time and higher mass transfer coefficient, limited by the end effect zone, simply increasing the radial thickness of the filler can play a very limited role. Moreover, increasing the radial thickness of the filler will reduce the Increase energy consumption, increase equipment f

Method used

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  • A high-gravity rotating bed device with staged liquid feeding and enhanced rotor end effect
  • A high-gravity rotating bed device with staged liquid feeding and enhanced rotor end effect
  • A high-gravity rotating bed device with staged liquid feeding and enhanced rotor end effect

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Such as figure 1In the vertical supergravity rotating bed device shown, in the airtight cavity 5, the shaft of the motor 2 and the turntable 20 are fixed together by bolts 22, and the motor 2 and the base 1 are fixed together by bolts. The shaft of the motor 2 transmits torque to the shaft of the turntable 19 through the key 21, so that the rotor fixed on the turntable 19 rotates. The rotating bed rotor includes a packing gland 16, a backsplash liquid capture device 12 (the liquid capture device is an annular hollow cylinder, and a filler with a radial thickness of about 5 mm is installed in the cylinder ring. The liquid capture device is connected to the turntable by bolts, Rotate at the same speed as the turntable), packing 17, turntable 19 and bolt 18. The upper end of the rotary bed cavity gland 8 is welded with three separate annular liquid inlet chambers, and the lower end is connected with the first liquid inlet spray pipe 11, the second liquid inlet spray pipe ...

Embodiment 2-25

[0027] The process flow and steps are the same as in Example 1, and the process conditions and operating conditions of each embodiment and the corresponding experimental results are shown in Table 1.

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Abstract

The invention discloses a supergravity rotating bed device adopting sectional type liquid feeding mode to strengthen the rotor end effect, belonging to the technical field of supergravity. The device disclosed by the invention comprises a closed shell, wherein a rotating shaft penetrating through each shell section is arranged in the center of the shell; a filler layer is arranged in a rotor; a liquid inlet, a liquid outlet, a gas outlet and a gas inlet are formed on a cavity; multiple liquid feeding shower pipes which are concentrically distributed are radially fixed in a sectional mode on the lower end surface of a cavity gland; the filler layer comprises multiple sections of annular filler layers which are distributed in a radial parallel mode along the rotating shaft; and the liquid feeding shower pipes are distributed between every two adjacent sections of annular filler layers. Multiple end effect regions are manufactured on rotor filler layers by adopting a sectional type liquid feeding mode, thereby enabling all fillers to be fully utilized and achieving the purpose of strengthening mass transfer; and the mass transfer efficiency can be improved by 40-60%. The device disclosed by the invention is suitable for a reaction system requiring long reaction retention time and large mass transfer coefficients and is particularly suitable for gas-liquid absorption systems and the like which include viscous fluid transfer courses and are difficult to implement. The device disclosed by the invention can be used for a vertical rotating bed or a horizontal rotating bed.

Description

technical field [0001] The invention relates to a high-gravity rotating bed device that enhances rotor end effect by segmental liquid feeding, and specifically relates to manufacturing multiple end effect areas in the rotor packing layer by changing the liquid feeding method. This segmental liquid feeding method can be applied to A vertical or horizontal supergravity rotating packed bed belongs to the field of supergravity technology. Background technique [0002] In 1976, Professor Ramshow of the British Imperial Chemical Company was inspired by the experiment that the mass transfer process is almost difficult to carry out under the space microgravity. He developed the concept of hypergravity technology and invented a hypergravity rotating bed (RPB) device that simulates a hypergravity environment. After more than 30 years of research, researchers have carried out a number of basic studies on the high-gravity rotating bed, which has enabled people to have a deeper understa...

Claims

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Application Information

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IPC IPC(8): B01D3/30B01D53/18B01J19/18
Inventor 陈建峰罗勇初广文邹海魁向阳
Owner BEIJING UNIV OF CHEM TECH
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