Rotary type continuous feed fixed bed reactor

A fixed-bed reactor, rotary technology, applied in chemical instruments and methods, chemical/physical processes, etc., can solve the problems of unsuitable use of catalysts and catalysts that cannot be replaced, and achieve large-scale production, easy control, and easy popularization. Effect

Inactive Publication Date: 2012-06-27
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the fixed bed reactor also has its fatal shortcomings, that is, the catalyst cannot be replaced during the

Method used

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  • Rotary type continuous feed fixed bed reactor
  • Rotary type continuous feed fixed bed reactor
  • Rotary type continuous feed fixed bed reactor

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0028] Example 1: see Figure 1-4 , This rotary continuous feed fixed-bed reactor includes four reactors 2, four trays 3, turntable 4, movable sealing joint 7, and inlet pipes and exhausts respectively connected to the inlet and outlet of reactor 2 Trachea, and ordinary power transmission mechanism. The four reactors 2 are uniformly and symmetrically fixed on the turntable 4 through the four trays 3 respectively. The upper air inlet and the lower air outlet of each reactor 2 are respectively passed through the movable sealing joint 7, in the station I-IV and the corresponding air inlet pipe Connected to the exhaust pipe; the power transmission mechanism consists of a turntable drive motor, a movable joint drive motor and a corresponding transmission mechanism. The output shaft of the turntable drive motor is connected to the shaft of the turntable 4 through a gear speed transmission mechanism to drive the turntable 4 to rotate to achieve a response Conversion of the kettle sta...

Example Embodiment

[0030] Example 2: see Figure 1-4 , The structure of this rotary continuous feed fixed bed reactor is the same as that of Example 1. Used for methane oxidation reaction to produce synthesis gas, raw gas methane, catalyst is Cu-Zn-Al; movable sealing joint 7, each intake pipe and exhaust pipe are made of copper, and the diameter of each intake pipe and exhaust pipe 12 helical fins 13 are evenly installed on the inner tube wall of the heat exchange sleeve 1; the drive motor drives the movable sealing joint 7 to move up and down through the gear speed and rack transmission mechanism to realize the movement into the reactor Docking or separation of air ports or exhaust ports.

Example Embodiment

[0031] Example 3: See Figure 1-4 , The structure of this rotary continuous feed fixed bed reactor is the same as that of Example 1. Used for methane oxidation reaction to produce synthesis gas, raw gas methane, catalyst is Cu-Zn-Al, movable sealing joint 7, each intake pipe and exhaust pipe are made of aluminum alloy, and the diameter of each intake pipe and exhaust pipe The diameter is 25mm, and 16 spiral fins 13 are uniformly installed on the inner tube wall of the heat exchange sleeve 1, and the drive motor drives the turntable 4 to rotate through the chain transmission mechanism.

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Abstract

The invention relates to a rotary type continuous feed fixed bed reactor, which belongs to the technical field of a catalytic fixed bed reactor, and comprises four reaction kettles, four trays, a rotary disc and a moveable sealing joint, air inlet pipes and air outlet pipes connected respectively with air inlets and air outlets of the reaction kettles, and a power transmission mechanism. The four reaction kettles are symmetrically fixed on the rotary disc through the four trays respectively. The air inlet and the air outlet of each reaction kettle are connected with corresponding air inlet pipe and air outlet pipe at stations I-IV respectively through the moveable sealing joint. A motor output shaft is connected with a rotary disc shaft. The air inlet pipe of the reaction kettle is in butt joint with the air inlet of the reaction kettle in station I and sleeved with a heat exchange sleeve. The air inlet of the heat exchange sleeve is connected with the air outlet of the reaction kettle at a replacement station III and the air outlet is communicated with atmosphere. The rotary type continuous feed fixed bed reactor maintains stable production and large throughput of the fixed bed reactor and overcomes the deficiency that current fixed bed reactor fails to produce continuously, thereby realizing efficient, energy-saving, continuous, stable and large-scale production.

Description

technical field [0001] The invention relates to a rotary continuous feed fixed-bed reactor, which belongs to the technical field of catalytic fixed-bed reactors. technical background [0002] Fixed bed reactor, also known as packed bed reactor, is a reactor filled with solid catalyst or solid reactant to realize heterogeneous reaction process. The solids are usually in granular form, with a particle size of about 2 to 15 mm, and are piled up into a bed of a certain height (or thickness). The bed is stationary and the fluid passes through the bed to react. The difference between it and the fluidized bed reactor and moving bed reactor is that the solid particles are in a static state. Fixed bed reactors are mainly used to realize gas-solid phase catalytic reactions. When used in gas-solid or liquid-solid non-catalytic reactions, the bed is filled with solid reactants. [0003] There are three basic types of fixed bed reactors: (1) Axial adiabatic fixed bed reactors. The f...

Claims

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Application Information

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IPC IPC(8): B01J8/02
Inventor 李孔斋王华杜云鹏魏永刚祝星段月娟程显名
Owner KUNMING UNIV OF SCI & TECH
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