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Device and method for improving internal mixing in internal circulation reactor and reactor

A reactor and internal circulation technology, applied in fluid mixers, chemical instruments and methods, mixers, etc., can solve problems such as unsatisfactory uniformity, achieve the goal of promoting balanced concentration distribution, improving effects, and reducing overall energy consumption Effect

Active Publication Date: 2021-08-17
柏中环境科技(上海)股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the liquid flowing down in each area will enter the adjacent draft tube and then flow up, the liquid is mainly circulated in a single area, and the uniformity of the overall mixing is still not ideal

Method used

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  • Device and method for improving internal mixing in internal circulation reactor and reactor
  • Device and method for improving internal mixing in internal circulation reactor and reactor
  • Device and method for improving internal mixing in internal circulation reactor and reactor

Examples

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Embodiment Construction

[0040] The preferred embodiments of the present invention will be further described in detail below.

[0041] Such as Figure 1~Figure 5 As shown, a device for improving internal mixing in an internal circulation reactor, the internal circulation reactor includes a plurality of vertically arranged diversion channels 9, the diversion channels 9 are separated by a partition wall 3, and the divided The upper part of the partition wall 3 is provided with a collection tank 4; a gap for fluid flow is left between the outer wall 2 of the diversion channel and the inner wall 1 of the reactor, forming an annular area 8; the bottom of the diversion channel 9 is provided with a gas injection port 6. There is a gap between the partition wall 3 , the bottom end of the diversion channel 9 and the bottom of the reactor, so as to realize the mixing and exchange of the liquid in the annular area 8 and the diversion channel 9 . In this embodiment, each partition wall 3 is connected in the mid...

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PUM

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Abstract

The invention provides a device and a method for improving internal mixing in an internal circulation reactor and a reactor. The internal circulation reactor comprises a plurality of vertically arranged flow guide channels, the flow guide channels are separated by partition walls, and the upper part of each partition wall is provided with a collecting tank; a gap for fluid to flow is reserved between the outer wall of each flow guide channel and the inner wall of the reactor, and an annular area is formed by the gaps between the outer walls of the flow guide channels and the inner wall of the reactor; and a gas injection port is formed in the bottom of each flow guide channel and is connected with gas injection equipment through a pipeline. By adopting the technical scheme of the invention, the liquid between the regions in the internal circulation reactor can be exchanged, the overall gas demand is reduced, the internal mixing effect between the plurality of regions is improved, the concentration balanced distribution in the large internal circulation reactor is promoted, and the overall energy consumption for mixing is reduced.

Description

technical field [0001] The invention belongs to the fields of environmental engineering and biotechnology, and in particular relates to a device, a method and a reactor for improving internal mixing in an internal circulation reactor. Background technique [0002] Mixing highly viscous liquids in large vessels is a common challenge in environmental engineering and biotechnology. Typical application examples are two-phase or three-phase fluids in bioreactors and fermentation plants, eg biomass or sludge in biological wastewater treatment. The purpose of mixing is to achieve a balanced environment without significant concentration gradients throughout the volume. [0003] A particular challenge of mixing systems is maintaining solids in suspension and dispersing the substrate throughout the volume. There are a wide variety of reactor types and tank geometries for this type of application, such as fully mixed reactors, plug flow reactors or internal circulation reactors. Mix...

Claims

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Application Information

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IPC IPC(8): B01F5/06B01F13/02B01J19/00B01F33/40
CPCB01J19/0053B01F25/42B01F33/403B01F33/409Y02W10/10
Inventor 付思特
Owner 柏中环境科技(上海)股份有限公司
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