Gas-solid reactor

A technology of gas-solid reaction and reactor, which is applied in the direction of gas/steam and solid mixing, dissolution, chemical instruments and methods, etc. It can solve the problems that are not involved in continuous operation of gas-solid reactors, etc., so as to delay the falling speed of solids and control Reaction time, effect of preventing uneven particle distribution

Inactive Publication Date: 2003-10-15
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In summary, the prior art has not yet involved a continuously operable closed gas-solid reactor

Method used

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  • Gas-solid reactor

Examples

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Embodiment 1

[0028] This example shows that: using the reaction kettle provided by the present invention to carry out gas-solid reaction can obtain relatively ideal reaction efficiency.

[0029] A gas-solid reaction kettle is manufactured according to the description of the present invention. The height of the barrel part of the reaction kettle is 1.0m, and the diameter is 0.3m; the height of the barrel part is 1.0m, and the height of the conical part is 0.15m; The porosity is 20%; the bottom angle of the cone-shaped solid unloader is 45°, and the diameter of the lower end surface is 0.22m; the stirring paddle adopts a single-layer airfoil type two-blade blade, the length of the blade is 0.08m, and the speed of operation is controlled at 5~ 10 rpm. During installation, the end face of the inverted cone gas distributor and the lower end face of the truncated cone solid unloader are on the same plane; a single-screw conveyor is used, and the outlet air-seal slide valve is an 8-leaf slide va...

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Abstract

The gas-solid reactor includes the main parts of main body, solid feeding port, tail gas exhausting port, stirring shaft, stirring blades, truncated cone solid discharger, turned conic gas distributor, screw conveyor, air sealed slide valve and baffle. The main body includes cylindrical upper part and conic lower part; the solid feeding port and the tail gas exhausting port are in the top of thereactor; the stirring shaft with fixed stirring blades is perpendicular to the central axis of the reactor; the inner wall of the reactor has one or several layers of baffles set; the solid discharger is in the lower part of the reactor; the gas distributor with homogeneously distributed holes is below the solid discharger; and the bottom of the reactor is connected to the screw conveyor; and theslide valve is set on the material discharging pipe of the screw conveyor.

Description

technical field [0001] The invention relates to a mixer with a rotating stirring device in a fixed container, more specifically, a reaction kettle for gas-solid reaction. Background technique [0002] Existing gas-solid reactors mainly have various forms such as fluidized bed, moving bed, spouted bed and tank reactor, among which fluidized bed, moving bed and spouted bed are more suitable for relatively concentrated distribution of solid particles. A reactive system with good fluidity. For those solid reactants with uneven particle distribution and poor fluidity, such as dried Y-type molecular sieve filter cake, if gas-solid reaction is required, it is more advantageous to use a tank reactor and adopt a batch reaction. In addition, the residence time can be extended and proper stirring can be given to strengthen the gas-solid contact and make the reaction more complete. However, the equipment efficiency of the tank reactor is not high, the utilization rate of the effective...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F23/30
Inventor 周健田志鸿吕庐峰李学锋
Owner CHINA PETROLEUM & CHEM CORP
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