Method for reacting gas and solid particles

Abstract

The invention discloses a method for reacting gas and solid particles, which comprises the step of contacting the gas with the solid particles. The contact is performed in reaction equipment, and the reaction equipment comprises a reaction kettle, a feed inlet and a gas outlet. The interior of the reaction kettle also comprises a stirrer; and a gas-solid separator is arranged on the gas outlet. The pore diameter and the porosity of the pores contained in the gas-solid separator guarantee that the gas can pass the pores and the solid particle cannot pass the pores. A stirring rod of the stirrer extends out of the reaction kettle, and the contacting position of the stirring rod and the reaction kettle is sealed, so that the reaction kettle does not communicate with the outside. The solid particles and the gas or substances capable of generating gas are added into the reaction kettle through the feed inlet, and the solid particles and the gas or the gas generated by the substances capable of generating gas contact to perform the reaction of the gas and the solid particles under the stirring of the stirrer. The contact reaction of the gas and the solid particles is more uniform and the phenomenon that the solid particles are coalesced into dense blocks is avoided. Therefore, the method for reacting the gas and the solid particles can lower the labor intensity and reduce the environmental pollution, obviously reduces the production cost, and is easy for large-scale industrial application.

Description

[0001] This application is a divisional application of the invention patent application with the application number 200410029864.2 and the invention title "A Method for Reaction of Gas and Solid Particles" submitted on March 31, 2004. technical field [0002] The present invention relates to a method for reacting fluid with solid particles, more particularly to a method for reacting gas with solid particles. Background technique [0003] The method for existing gas and solid particle reaction comprises that gas is contacted with solid particle, and described contact is carried out in a reaction device, and described reaction device is made of a reaction tube (or be called reaction kettle) and is positioned at the reaction tube two ends and carries out. It consists of a gas port and a gas outlet, and the solid particles are a solid bed of solid particle materials. When the reaction between gas and solid particles is carried out, a fixed bed of solid particle materials is plac...

AI Technical Summary

Problems solved by technology

The formation of a large number of dense lumps, which on the one hand causes the formed lumps to stick to the walls of the reactor, resulting in product loss and the need to clean the walls

On the other hand, the formation of dense lumps makes the contact between gas and solid uneven, and the properties of the obtained products are also uneven.

[0006] Another example, adopt the reaction method of existing gas and solid particle, because solid particle is a stationary fixed bed, both ends must be filled with stuffing, so just caused the inconvenience of solid particle dismounting, also to solid particle and The separation of filling materials is not only labor-intensive, but also the transportation of solid particles and the discharge from the reaction equipment are not easy to automate

In particular, when the solid particles are ultra-fine powder materials with corrosive and pungent odors, it is easy to pollute the environment and damage the health of operators due to inconvenient loading and unloading.

[0007] It is also because the solid particles are a static fixed bed, the gas reacting with the solid particles or the gas carrying the substance reacting with the solid particles must be a flowing gas, so that the gas reacting with the solid particles, as the gas carrying the reaction substance The consumption of carrying gas and reactive substances is large, containing unreacted gas and waste gas generated by reaction, or containing the carrying gas as carrying reactive substances, reactive substances that have not reacted with solids, and waste gas substances generated after reaction. very big

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