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A coil microreactor and a microreactor system

A micro-reactor and micro-channel reactor technology, applied in chemical/physical/physical-chemical reactors, chemical instruments and methods, chemical/physical/physical-chemical processes, etc., can solve problems such as limited mixing effect and achieve savings The effect of upfront investment, small footprint, and reduced operating costs

Active Publication Date: 2022-07-15
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this reactor is more suitable for Fischer-Tropsch system, the reaction raw material is gas, when the reactant has two or more dispersed phases of gas phase or liquid phase, the mixing effect is limited

Method used

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  • A coil microreactor and a microreactor system
  • A coil microreactor and a microreactor system
  • A coil microreactor and a microreactor system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0135] This embodiment adopts figure 2 The microreactor system shown performs an adsorption desulfurization process for sulfur-containing hydrocarbons, and figure 2 The specific structures of the impinging flow microchannel mixer, two-phase microchannel reactor and coil microreactor involved in image 3 , 4 and shown in 1.

[0136] The process flow in this embodiment is as described in the aforementioned preferred embodiments of the present invention, and other related contents involved are as follows:

[0137] In the impacting flow microchannel mixer 1, the angle between each of the raw material impacting microchannels 13 and the material impacting unit 14 is 90°; the inner diameter of the raw material impacting microchannel 13 is 1mm, and the length is 5mm; The inner diameter of the logistics impact unit 14 is 5mm;

[0138] In the two-phase microchannel reactor 2, the cross-sectional area of ​​the reaction microchannel 25 is 1.5 mm 2 , the distance between two adjacen...

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PUM

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Abstract

The invention relates to the field of microreactors, and discloses a coiled tube microreactor and a microreactor system. The coiled tube microreactor contains a support tube (31) and a microchannel (32) arranged around the support tube (31). , at least two fluid redistribution members (341) are arranged inside the microchannel (32), and one of the fluid redistribution members (341) is arranged at the inlet (36) of the microchannel (32), The fluid redistribution member (341) is a cone structure that allows fluid to flow out of the cone tip and into the downstream of the microchannel (32). The invention can prolong the residence time of reactants in a limited reactor volume while ensuring the mixing effect of homogeneous or multiphase raw materials in the coil microreactor, thereby simultaneously improving the selectivity of products and the conversion rate of raw materials.

Description

technical field [0001] The invention relates to the field of microreactors, in particular to a coiled tube microreactor and a microreactor system. Background technique [0002] Microreactor has obvious advantages in many aspects due to its small characteristic size in space, such as large specific surface area, excellent mixing, mass and heat transfer effects, accurate control of reaction time, temperature and other conditions, as well as green, safe and efficient production, etc. . [0003] Microreactors have been used in many petrochemical systems, such as PAO synthesis, liquefied gas desulfurization, Fischer-Tropsch synthesis, and hydrogenation processes. Microreactors have unique advantages in strengthening the reaction process and have great potential for industrialization. [0004] A fundamental limitation in the development of new technologies using microreactors is that the reaction time must be controlled within a certain range. Due to its difficult processing, mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/00
CPCB01J19/0093
Inventor 韩颖唐晓津毛俊义张同旺朱振兴朱丙田刘凌涛
Owner CHINA PETROLEUM & CHEM CORP
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