Fluidized-bed reaction device and fluidization reaction method for hydrogenation of nitrobenzene
A technology of fluidized bed reaction and fluidized bed reactor, applied in chemical instruments and methods, preparation of organic compounds, organic chemistry, etc., can solve problems of low fluidization quality, low gas-solid contact efficiency in fluidized bed, bubble Oversize and other problems, to achieve the effect of improved fluidization quality, good gas-solid contact effect, and increased retention
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Example Embodiment
[0028] [Example 1]
[0029] Such as figure 1 The nitrobenzene hydrogenation to aniline plant shown. The average particle size of the catalyst is 360 μ m, the largest angle α in the triangular longitudinal section of the left baffle and the right baffle is 135°. The sides of the prism where the longer side of the triangular longitudinal section of the left baffle and the right baffle of the composite member are located are parallel to each other and are placed vertically. The sides of the left baffle and the right baffle of the composite member are respectively opened with holes and / or slits, and the ratio of the total area of the openings and / or slits to the area of the blades is 15%. There are 4 composite components in the fluidized bed reactor. The composite components are staggered and evenly distributed in the reactor, and the acute / right angles between adjacent composite components in the vertical direction are 90°, and the vertical direction The vertical distance bet...
Example Embodiment
[0032] [Example 2]
[0033] Such as figure 1 The nitrobenzene hydrogenation to aniline plant shown. The average particle size of the catalyst is 360 μ m, the largest angle α in the triangular longitudinal section of the left baffle and the right baffle is 145°. The sides of the prism where the longer side of the triangular longitudinal section of the left baffle and the right baffle of the composite member are located are parallel to each other and are placed vertically. The sides of the left baffle and the right baffle of the composite member are respectively opened with holes and / or slits, and the ratio of the total area of the openings and / or slits to the area of the blades is 15%. There are 4 composite components in the fluidized bed reactor. The composite components are staggered and evenly distributed in the reactor, and the acute / right angles between adjacent composite components in the vertical direction are 90°, and the vertical direction The vertical distance bet...
Example Embodiment
[0034] [Example 3]
[0035] Such as figure 1 The nitrobenzene hydrogenation to aniline plant shown. The average particle size of the catalyst is 360 μ m, the largest angle α in the triangular longitudinal section of the left baffle and the right baffle is 90°. The sides of the prism where the longer side of the triangular longitudinal section of the left baffle and the right baffle of the composite member are located are parallel to each other and are placed vertically. The sides of the left baffle and the right baffle of the composite member are respectively opened with holes and / or slits, and the ratio of the total area of the openings and / or slits to the area of the blades is 15%. There are 4 composite components in the fluidized bed reactor. The composite components are staggered and evenly distributed in the reactor, and the acute / right angles between adjacent composite components in the vertical direction are 90°, and the vertical direction The vertical distance betw...
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