Gas-liquid continuous reaction crystallization device

A technology of reaction crystallization and gas reaction, applied in chemical/physical processes, chemical instruments and methods, etc., can solve problems such as the conversion rate of liquid reactants and the difficulty in recycling and processing liquid products, so as to reduce the risk of sucking back, inhibit agglomeration, and avoid deposition The effect of reunion

Pending Publication Date: 2021-07-16
QUZHOU RES INST OF ZHEJIANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If a large amount of liquid reactants and products are absorbed and enclosed in the aggregate, it will bring great difficulties to the conversion rate of liquid reactants and the recovery and treatment of liquid products.

Method used

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  • Gas-liquid continuous reaction crystallization device

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Embodiment Construction

[0017] The present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown, the gas-liquid continuous reaction crystallization device includes two parts: a reactor and a separator, which are connected by a pump and a pipeline to form a circulation loop. The reactor 3 contains orderly arranged components: the gas distributor 4 connected to the gas reactant feed pipe 1 is located below the liquid surface in the reactor and close to the liquid surface. The guide tube 5 is located under the gas distributor 4 in the middle of the reactor, the propeller agitator 6 is placed in the center of the guide tube 5, the baffle plate 7 is located under the guide tube, and the circulating liquid outlet pipe 8 is located at the bottom of the reactor. The slurry extraction outlet pipe 15 is located near the liquid level area below the upper liquid level of the reactor, and its upper edge is higher than the gas...

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Abstract

The invention discloses a device for gas-liquid continuous reaction crystallization, which comprises a reactor and a separator, the reactor is internally provided with a gas distributor, a guide cylinder, a push type stirrer, a deflection baffle and a circulating liquid outlet pipe; wherein a gas reactant feeding pipe enters the reactor and is connected with a gas distributor, the gas distributor is located over the guide cylinder, blades of a push type stirrer are located in the guide cylinder, a deflection baffle is arranged under the guide cylinder, and a push type stirring paddle is used for guiding liquid to the lower portion in the center of the guide cylinder; and the deflection baffle is used for deflecting liquid from the outside of the guide cylinder to the upper part of the reactor to enter the guide cylinder, so that internal circulation of the reactor is formed, and the external circulation is formed by material exchange between the reactor and the separator. The device is favorable for reducing solid particle aggregation, reducing the content of liquid reactants and products wrapped by solid particles, promoting conversion of the liquid reactants and improving the recovery rate of the liquid products.

Description

technical field [0001] The invention relates to an industrial special equipment which utilizes fluid flow, solid particle settling, particle sorting and reflux to reduce the solid agglomeration obtained by reaction crystallization, reduce the encapsulation of liquid phase reactants, and promote the complete conversion of liquid phase reactants into products. Application Processes in which gas is consumed and solids are generated at the same time, including chemical engineering, bioengineering, pharmaceuticals, and related processes in environmental protection. The invention particularly relates to a reaction device for gas-liquid continuous reaction crystallization. Background technique [0002] The gas-liquid reaction crystallization process is an important reaction process. Gas reactants and liquid reactants (solute and solvent) contact at the gas-liquid interface to form solid particles and liquid products may be formed at the same time. Existing gas-liquid reaction crys...

Claims

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Application Information

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IPC IPC(8): B01J8/38B01J8/30B01J8/22B01J8/18
CPCB01J8/1863B01J8/1872B01J8/22B01J8/30B01J8/38B01J2208/00548B01J2208/00628B01J2208/00769B01J2208/00867B01J2208/00982
Inventor 朱明乔孟闻飞何潮洪
Owner QUZHOU RES INST OF ZHEJIANG UNIV
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