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Oxidation reaction device and its application

A technology of oxidation reaction and reaction zone, applied in iron oxide/iron hydroxide, chemical instruments and methods, chemical/physical processes, etc. Increased ease of delivery, reduced response time, improved uniformity

Active Publication Date: 2017-01-18
SHANGHAI YIPIN PIGMENTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] Therefore, the various reaction devices disclosed at present are still difficult to meet the economic requirements for the preparation of iron oxides, especially the cost in large-scale production is still at a relatively high level, it is necessary to continue to explore and improve the production of iron oxides. technical solutions

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  • Oxidation reaction device and its application
  • Oxidation reaction device and its application
  • Oxidation reaction device and its application

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Embodiment Construction

[0038] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings. The embodiments of the present invention are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the invention can be modified or equivalently replaced , without departing from the spirit and scope of the technical solution of the present invention, all of which shall be covered by the claims of the present invention.

[0039] figure 1 It is a structural schematic diagram of an embodiment of the oxidation reaction device of the present invention. Such as figure 1 As shown, the oxidation reaction device of the present invention is in the shape of a cone bottom, including a reaction zone 100 and a gas-liquid distribution zone ...

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Abstract

The invention relates to an oxidizing reaction device. The oxidizing reaction device comprises a reaction area, a gas-liquid distribution area and a material supporting member. The gas-liquid distribution area is arranged below the reaction area, and the material supporting member is used for supporting a reactant in a first cavity and arranged at the bottom end of the reaction area. The gas-liquid distribution area comprises a second cavity, a gas collection chamber, more than one gas distribution pipe and a ventilation opening, the gas collection chamber is arranged in the second cavity, one end of each gas distribution pipe is arranged at the peripheral edge of the gas collection chamber, and the ventilation opening is arranged below the gas collection chamber. At least one air hole is formed in each gas distribution pipe. By adopting the oxidizing reaction device, the gas, material liquid and temperature can be uniformly distributed in a reaction system, the reaction time is reduced, and the reaction speed is increased.

Description

technical field [0001] The invention relates to a device for chemical reaction, in particular to an oxidation reaction device and its application in the preparation and production of iron oxide. Background technique [0002] Iron oxide is an important iron oxide. It is used as a catalyst 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, enamel, etc. , stationery, leather, magnetic alloy and high-grade alloy steel coloring, used as a pigment for coloring paint, rubber, plastic and construction, as well as polishing agents for glass, gemstones and metals. [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. According to the difference in the unit cell structure of iron oxides, there are several types of iron black, i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J8/02C01G49/02
Inventor 蔡芸高福君马利群张真庆隆发云
Owner SHANGHAI YIPIN PIGMENTS CO LTD
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