Cascaded oxidation reaction method and assembly, and application thereof

Abstract

The invention provides a cascaded oxidation reaction assembly. The cascaded oxidation reaction assembly comprises a plurality of members stacked together, wherein at least one layer of a member is arranged, each member is provided with through holes, and an aperture ratio of the through holes in the members is 2.5: 1 to 25: 1. The cascaded oxidation reaction assembly comprises more than one layerof a member, and the aperture of a lower member is less than the aperture of an upper member, so continuously consumed reaction raw materials continuously move to lower layers with decrease of the volume of the reaction raw materials; and thus, re-distribution of gas and liquid is driven in the process of movement, and the a reaction contact area of the materials is increased. Raw materials with different reaction rates undergo reactions on different reaction layers (i.e., raw materials with large volumes undergo reactions on upper-layer members and raw materials with small volumes undergo reactions on lower-layer members), so a stereo cascaded reaction system is formed, and production efficiency is improved.

Description

technical field [0001] The present invention relates to a method for chemical reaction, in particular to a super-oxidation reaction method, as well as the organization for implementing the method, and the application of the component in iron oxide preparation device and production. Background technique [0002] Iron oxide is an important iron oxide. It is used as a colorant in paint, ink and rubber industries. It is also widely used in paint, rubber, plastic cosmetics, architectural fine grinding materials, precision hardware instruments, optical glass, Coloring of enamel, stationery, leather, magnetic alloy and advanced alloy steel, used as pigment for coloring of paint, rubber, plastic and construction, as well as polishing agent for materials such as glass, precious stones and metal. [0003] Iron oxide can be prepared by various methods, the more common ones are: ferrous sulfate produced by iron sheet and sulfuric acid is prepared by oxidation-reduction reaction. Accord...

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Problems solved by technology

This technical solution requires open reaction, continuous and large amount of supplementary steam, high energy consumption, serious environmental heat pollution, and is not conducive to safe production.

[0013] Therefore, the various reaction devices that have been disclosed so far have not been able to solve the problem of the "dead zone" of the reaction while achieving the economical requirements for the production of iron oxides. It is necessary to continue to explore and improve the production of iron oxides. Technical solutions

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