Whole-process reaction type reaction rectification apparatus
A reactive distillation and reactive technology, applied in fractional distillation, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as inapplicable mixing of reactive distillation methods, increased flow resistance, troublesome loading and unloading, etc., and achieve production costs Low, improve the reaction rate, the effect of easy disassembly
Inactive Publication Date: 2015-03-11
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI +1
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Problems solved by technology
[0004] 1. The granular catalyst is mixed with the inert filler. The advantage of this method is that it is easy to disassemble, but the accumulated catalyst particles increase the flow resistance in the tower.
[0005] 2. The reactor is set outside the tower, which does not affect the gas-liquid channel on the tray, but the operation is more complicated
[0006] 3. Catalyst particles are placed in the flat interlayer, which has the advantage of good heat and mass transfer effect, but it is troublesome to load and unload
The mixing effect of this method is good, but it is not suitable for the mixing of reactive distillation
Method used
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[0040] Such as figure 1 As shown, a whole reaction type reactive rectifier, the main body includes a tower body 3 and a tower still 13, and a catalyst layer 5 arranged on the tower body and the tower still, a rectification orifice layer 6, a rectification outlet 4, packing Port 1, sewage outlet 9, kettle tower interface 2, sewage section and tower kettle interface 8, and sealing gasket 7. The bottom of the tower body 3, that is, the kettle tower interface 2 and the tower kettle 13 are made of corrosion-resistant materials such as stainless steel, and the two are connected by a flange, and a sealing gasket 7 is arranged in the flange.
[0041] The top of the tower body 3 is provided with a rectification outlet 4, and the main components in the tower body 3 are a catalyst layer and a rectification orifice layer. Such as figure 2 As shown, the catalyst layer 5 and the rectification orifice layer 6 are arranged at intervals from bottom to top inside the tower body 3 . The cata...
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Abstract
A disclosed whole-process reaction type reaction rectification apparatus comprises a tower kettle and a tower body, and the tower body is fixedly connected with the upper side of the tower kettle; the tower kettle is provided with a material filling port and a sewage discharge port respectively at two sides of the tower body; the top of the tower body is provided with a rectification outlet; the tower body is inside provided with a catalyst layer and a rectification pore plate layer at intervals in the height direction from bottom to top; the lower surface of the tower kettle is fixedly connected with at least one ultrasonic stirrer; and an ultrasonic sensitive rod of the ultrasonic stirrer is disposed in the tower kettle. The reaction rectification apparatus is capable of flexibly arranging the addition amount of a catalyst, increasing the reaction area of a reactant, improving the catalytic reaction rate, improving the rectification purity, and finally obtaining an ideal production yield.
Description
technical field [0001] The invention relates to chemical production equipment, in particular to a plate reaction rectifier for chemical reaction, gas-liquid phase transition, heat and mass transfer in chemical production. Background technique [0002] Reactive distillation is a common process link in the modern chemical production process. The rectification tower and the tower still are the two most important equipments in the rectification process, and their structure has an important influence on the rectification effect. Reactive distillation tower is a kind of rectification tower. Optimizing structural design and promoting reaction are important means to improve the effect of reactive distillation. At present, the reactive distillation in chemical production mainly adopts the optimization of catalyst selection and placement method and the improvement of stirring method to improve the effect of reactive distillation. [0003] Catalyst placement mainly has the following ...
Claims
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Login to View More IPC IPC(8): B01D3/14B01J8/04
Inventor 刘培刘伟蒋方明岑继文
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI