Device for carrying out a chemical reaction by a continuous method
AssigneesFluitec Invest AG, Rudolf GmbH
InventorsSilvano Andreoli, Tobias Vögeli, Daniel Altenburger, Alain Georg, Michael Schacht, Gunther Duschek
Life of this patent
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Abstract
A device for carrying out a chemical reaction by a continuous method has a reactor with at least two reactor sections which define a direction of flow. The reactor has plug flow properties along the direction of flow. A recirculation line is present to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow. Means are provided which prevent a temperature increase in the reactor over a predetermined temperature range, for example change of more than approximately 50 K.
Claims21
A device for carrying out a chemical reaction by a continuous method, said device comprising:
- a reactor with at least two reactor sections which define a direction of flow,
- wherein the reactor has plug flow properties along the direction of flow,
- wherein a recirculation line is provided in order to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow,
- wherein at least one means is provided that prevents a temperature increase in the reactor over a predetermined temperature range,
- wherein the means comprises at least one temperature sensor that measures the temperature or temperature changes in the reactor, and
- wherein a control unit is provided that controls a recirculation rate of the recirculation line according to the value measured by the temperature sensor.
A method for carrying out a chemical reaction in a continuous process, in a device for carrying out a chemical reaction by a continuous method, wherein said device has a reactor with at least two reactor sections which define a direction of flow, and wherein the reactor has plug flow properties along the direction of flow, wherein a recirculation line is provided in order to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow, and wherein at least one means is provided that prevents a temperature increase in the reactor over a predetermined temperature range, wherein the means comprises at least one temperature sensor that measures the temperature or temperature changes in the reactor and wherein a control unit is provided that controls a recirculation rate of the recirculation line according to the value measured by the temperature sensor, wherein a material flow in the reactor in the plug flow is continuously fed in the direction of flow, wherein the part of the material flow is at least temporarily withdrawn from the reactor at a distance from a reactor outlet of the reactor and returned in the flow direction above the reactor, and wherein the recirculation rate is selected that prevents a temperature increase in the reactor above a predetermined temperature change.
Use of a device for carrying out a chemical reaction by a continuous method, wherein said device has a reactor with at least two reactor sections which define a direction of flow, and wherein the reactor has plug flow properties along the direction of flow, wherein a recirculation line is provided in order to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow, and wherein at least one means is provided that prevents a temperature increase in the reactor over a predetermined temperature range, wherein the means comprises at least one temperature sensor that measures the temperature or temperature changes in the reactor and wherein a control unit is provided that controls a recirculation rate of the recirculation line according to the value measured by the temperature sensor for carrying out a chemical reaction.
A control unit of a device for carrying out a chemical reaction by a continuous method, wherein said device has a reactor with at least two reactor sections which define a direction of flow, and wherein the reactor has plug flow properties along the direction of flow, wherein a recirculation line is provided in order to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow, and wherein at least one means is provided that prevents a temperature increase in the reactor over a predetermined temperature range, wherein the means comprises at least one temperature sensor that measures the temperature or temperature changes in the reactor and wherein a control unit is provided that controls a recirculation rate of the recirculation line according to the value measured by the temperature sensor, wherein said control unit controls a recirculation rate in a recirculation line according to a signal of at least one temperature sensor.
A device for carrying out a chemical reaction by a continuous method, wherein said device has a reactor with at least two reactor sections which define a direction of flow, and wherein the reactor has plug flow properties along the direction of flow, wherein a recirculation line is provided in order to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow, and wherein at least one means is provided that prevents a temperature increase in the reactor over a predetermined temperature range, wherein the recirculation line has plug flow properties.
A device for carrying out a chemical reaction by a continuous method, wherein said device has a reactor with at least two reactor sections which define a direction of flow, wherein the reactor defines an entire length, and wherein the reactor has plug flow properties along the direction of flow along the entire length, wherein a recirculation line is provided in order to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow, and wherein at least one means is provided that prevents a temperature increase in the reactor over a predetermined temperature range, wherein the means comprises a plurality of temperature sensors that measure the temperature or temperature changes in the reactor and wherein the plurality of temperature sensors are arranged successively in the direction of flow.
Dependencies are inferred from the claim text.