【Q&A Question 154】2016.09.21
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【Q&A Question 154】2016.09.21 What is a reactor? How to classify? The answer key will be available after responding; scoring is based on answering the key points. A reactor is a device primarily used in petrochemical processes to carry out chemical and physical reactions of materials. Based on the wall temperature of the reactor, reactors can be divided into hot-wall and cold-wall reactors ； Based on the flow direction of the medium within the reactor, they can be further divided into radial and axial reactors ； Based on the state of the catalyst bed inside the reactor, they can be classified as fixed-bed reactors, fluidized-bed reactors, etc.
A reactor is a device used to carry out reaction processes, and the main types include bioreactors, chemical reactors, and nuclear reactors.
Common types of reactors include: ① Tubular reactor. It is composed of hollow tubes or filled tubes with a relatively large length-to-diameter ratio, and can be used to carry out gas-phase reactions as well as liquid-phase reactions. ②Kettle reactor. It consists of cylindrical containers with a small length-to-diameter ratio, and is often equipped with mechanical or gas-flow stirring devices; it can be used for single-phase liquid reactions as well as multi-phase reactions such as liquid-liquid, gas-liquid, and gas-liquid-solid reactions. Those used in gas-liquid phase reaction processes are called bubble-stirred reactors (see bubble reactor) ； Those used in gas-liquid-solid phase reaction processes are called stirred-tank slurry reactors. ③A reactor with a solid particle bed. Gases or (and) liquids pass through a bed of fixed or moving solid particles to carry out multiphase reaction processes, including fixed-bed reactors, fluidized-bed reactors, moving-bed reactors, trickle-bed reactors, etc. ④Tower reactor. Tower-type equipment used to carry out gas-liquid or liquid-liquid reaction processes, including packed towers, plate towers, bubble columns, etc. (see color illustrations). ⑤Jet reactor. A device that uses injectors for mixing, enabling single-phase reaction processes in the gas or liquid phase, as well as multi-phase reaction processes such as gas-liquid and liquid-liquid reactions. ⑥Many other atypical reactors. Such as rotary kilns, aeration tanks, etc.
A reactor is a device primarily used in petrochemical processes to carry out chemical and physical reactions of materials. Classified by the reactor wall temperature: hot-wall and cold-wall reactors ； Based on the flow direction of the medium within the reactor, they can be classified as radial reactors and axial reactors
Based on the operating method of the reactor, they can be classified as: batch reactors, continuous reactors, semi-batch reactors. Based on the thermodynamic conditions of the reactor, they can be classified as: isothermal reactors, non-isothermal reactors, adiabatic reactors, and non-adiabatic reactors. Based on the shape and structure of the reactor, they can be classified as: tank reactors, tubular reactors, and column reactors. Based on the phase state of the reactants, they can be classified as: homogeneous reactors and heterogeneous reactors. Based on the flow characteristics of the reactants, they can be classified as: plug flow reactors, laminar flow reactors, and turbulent flow reactors. Based on the method of transporting the reactants, they can be classified as: fixed-bed reactors and fluidized-bed reactors. These reactors are used for carrying out single-phase liquid reactions as well as multi-phase reactions such as liquid-liquid, gas-liquid, liquid-solid, and gas-liquid-solid reactions. Stirring devices (such as mechanical stirring or air stirring) are often installed inside the reactor. When the height-to-diameter ratio is large, multiple layers of stirrers can be used. If the reactants need to be heated or cooled during the reaction process, jackets can be installed on the reactor walls, or heat exchange surfaces can be placed inside the reactor; heat exchange can also be achieved through external circulation
A container that provides a reaction site. There are tubular reactors, batch reactors, reactors with solid particle catalysts, column reactors, jet reactors, and other types of reactors
Reactor: It is the device used to carry out the reaction process. Categories: Mixing, heat exchange, sealing devices, batch reactors, etc
Reactor: A device primarily used in petrochemical processes to carry out chemical and physical reactions of substances. Based on the wall temperature of the reactor, reactors can be divided into hot-wall and cold-wall reactors ； Based on the flow direction of the medium within the reactor, they can be further divided into radial and axial reactors ； Based on the state of the catalyst bed inside the reactor, they can be classified as fixed-bed reactors, fluidized-bed reactors, etc.
A reactor is a device used to carry out chemical reactions, and the main types include biological reactors, chemical reactors, and nuclear reactors.
The device used to carry out a reaction process is called a reactor. Including bioreactors, chemical reactors, and nuclear reactors.
A reactor is a device used to carry out chemical reactions; the main types include bioreactors, chemical reactors, and nuclear reactors.