Reaction-regeneration device and reaction method for methanol to olefins
A methanol-to-olefin and regeneration device technology is applied in ethylene production, chemical instruments and methods, and hydrocarbon production from oxygen-containing organic compounds. Low concentration, etc.
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Embodiment 1
[0027] Such as figure 1 The reaction-regeneration device shown is the overall structure diagram of the cold model experimental device used in this embodiment. The purpose of the experiment is to verify the improvement of the new device of the present invention on the axial and radial concentration distribution in the methanol-to-olefins reactor, and Feasibility of increased particle concentration in the reactor. The inner diameter of the fluidized bed reactor used in the experiment is 200mm, the bed height is 6m, and the height of the ascending pipe is 4m. Two supplementary gas pipelines with an inner diameter of 20mm are set at a position 1m away from the bottom of the ascending pipe. The angle between the supplementary gas pipeline and the ascending pipe is 30°, without baffles, SAPO-34 catalyst particles, air as raw material and regeneration medium, linear velocity of 5.0m / s, fluidization gas used in the experiment was provided by Roots blower.
[0028] The local particle ...
Embodiment 2
[0034] Such as figure 1 The reaction-regeneration device shown is the overall structure diagram of the cold model experimental device used in this embodiment. The purpose of the experiment is to verify the improvement of the new device of the present invention on the axial and radial concentration distribution in the methanol-to-olefins reactor, and Feasibility of increased particle concentration in the reactor. The inner diameter of the fluidized bed reactor used in the experiment is 200mm, the bed height is 6m, and the height of the ascending pipe is 4m. A semicircular baffle is set at the bottom of the regeneration inclined pipe 300mm from the feeding port. The area of the baffle is the cross-sectional area of the regeneration inclined pipe The angle between the baffle and the regeneration inclined tube is 45°, the catalyst particles are SAPO-34, the raw material and the regeneration medium are air, the linear velocity is 5.0m / s, and the fluidizing gas used in the exper...
Embodiment 3
[0037] Such as figure 1 The reaction-regeneration device shown is the overall structure diagram of the cold model experimental device used in this embodiment. The purpose of the experiment is to verify the improvement of the new device of the present invention on the axial and radial concentration distribution in the methanol-to-olefins reactor, and Feasibility of increased particle concentration in the reactor. The inner diameter of the fluidized bed reactor used in the experiment is 200mm, the bed height is 6m, and the height of the ascending pipe is 4m. Four supplementary gas pipelines with an inner diameter of 10mm are set at 1m from the bottom of the ascending pipe. The angle between the supplementary gas pipeline and the ascending pipe is 30°, a semi-circular baffle is set at the bottom of the regeneration inclined pipe 300mm from the feeding port, the area of the baffle is twice the cross-sectional area of the regeneration inclined pipe, the angle between the baffle...
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