Method and device for chemical reaction based on impinging stream
A technology of impinging flow reactor and chemical reaction, which is applied in the field of chemical reaction, can solve the problems of difficult acquisition of catalyst, high production cost, and high price, and achieve the effects of increasing chemical reaction rate, convenient operation, and low cost
Inactive Publication Date: 2020-03-17
SHANGHAI UNIV OF ENG SCI
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Problems solved by technology
However, the catalysts used in many chemical reactions are not easy to obtain and are expensive, which makes the production cost higher, and there are thousands of catalysts, and choosing a suitable catalyst itself also requires more work.
[0007] In summary, there are still inevitable defects in increasing the reaction rate by increasing the concentration of reactants, increasing the reaction temperature and using catalysts. Therefore, it is necessary to develop a new method to increase the rate of chemical reactions.
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[0045] The invention provides a chemical reaction method based on impinging flow, which is to make high-speed moving raw materials collide with each other at high speed in an impinging flow reactor to generate chemical reaction. Wherein, the kinetic energy of the high-speed moving raw material exceeds the activation energy of the chemical reaction, thereby promoting the occurrence of the reaction.
[0046] The raw materials are gas phase or liquid phase. The raw material is pressurized first and then decompressed to obtain a high speed. Specifically, when the raw material is in the gas phase, the gas phase raw material is first pressurized by a pressurizing device, and then decompressed through the nozzle to obtain a high speed; when the raw material is in a liquid phase, The liquid-phase raw material is first pressurized by a pressurizing device, and then decompressed through the nozzle to obtain a high speed, or, directly inject high-pressure gas into the liquid-phase raw ma...
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The invention discloses a method and a device for a chemical reaction based on impinging stream. The chemical reaction method is characterized in that raw materials moving at a high speed oppositely impact at a high speed in an impinging stream reactor to carry out the chemical reaction. The raw materials moving at the high speed creatively generate high-speed opposite impacts in the impinging stream reactor, that is the kinetic energy of the raw materials makes the chemical reaction instantly completed, so the chemical reaction rate is remarkably increased. The method and the device have theadvantages of easiness in implementation, simplicity in operation, realization of remarkable increase of the reaction rate without high temperature and high concentration, energy consumption reduction, and no influences on the reaction selectivity.
Description
technical field [0001] The invention relates to a chemical reaction method and device, in particular to a chemical reaction method and device based on impinging flow, and belongs to the technical field of chemical reaction. Background technique [0002] Chemical reaction refers to the process in which molecules are broken into atoms and atoms are rearranged to form new substances. Various products (such as chemicals, fuels, drugs, polymers, etc.) can be produced through chemical reactions. Chemical reactions are almost ubiquitous, for example: in the chemical, chemical, energy, pharmaceutical, environmental protection, metallurgy and other industries are full of various chemical reactions. [0003] For most chemical reactions, we usually want a faster reaction rate while having a higher selectivity to improve the utilization of raw materials. At present, the improvement of reaction rate is mainly achieved by increasing the concentration of reactants, increasing the reaction...
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IPC IPC(8): B01J19/26B01J8/08
CPCB01J19/26B01J8/085B01J8/004
Inventor 张延风汤宏博王明全饶品华
Owner SHANGHAI UNIV OF ENG SCI