Apparatus and methods for treating and/or utilizing a gaseous medium

Patent metadata

Field	Value
Publication number	US-10151488-B2
Application number	US-201514833822-A
Country	US
Kind code	B2
Filing date	Aug 24, 2015
Priority date	Feb 28, 2013
Publication date	Dec 11, 2018
Grant date	Dec 11, 2018

Abstract

Example apparatus and methods providing for the improved chemical conversion of the combustible components of a gaseous medium are disclosed. In some examples, the apparatus includes a guiding body that guides the flow of the gaseous medium within a reaction chamber of the apparatus. In some examples, the guiding body of the disclosed apparatus is configured to stabilize a residence period of the gaseous medium in the reaction chamber. In some examples, the guiding body results in a flow path of the gaseous medium within the reaction chamber being optimized and/or maximized, and/or results in a short circuit flow of the gaseous medium in the reaction chamber being suppressed. In some disclosed examples, the guiding body causes at least a portion of the flow path of the gaseous medium within the reaction chamber to take the form of a cyclone flow.

First claim

What is claimed is:

1. A method for using an apparatus to treat or utilize energy of a gaseous medium containing combustible components, the method comprising:
providing the apparatus, the apparatus comprising:
a pressure container;
a burner including a heatable combustion chamber, the burner being arranged in a first portion of the pressure container, the first portion of the pressure container having a first longitudinal axis;
a feed duct for feeding the gaseous medium into the heatable combustion chamber;
a reaction chamber through which the gaseous medium can flow, the reaction chamber being arranged in a second portion of the pressure container, the second portion of the pressure container having a second longitudinal axis, the first longitudinal axis being transverse to the second longitudinal axis, the reaction chamber including an input chamber, a main chamber, and an output chamber, the input chamber being in fluid communication with the heatable combustion chamber, the main chamber being in fluid communication with the input chamber, the output chamber being in fluid communication with the main chamber and further being in fluid communication with a hot gas duct, thereby providing a flowpath for the gaseous medium from the heatable combustion chamber through the input chamber, through the main chamber, through the output chamber, and into the hot gas duct, the main chamber having an inlet opening for receiving the gaseous medium from the input chamber, the output chamber having an outlet opening for discharging the gaseous medium into the hot gas duct; and
a hollow cylinder for guiding the gaseous medium in the main chamber of the reaction chamber, the hollow cylinder having an axis and extending through the main chamber in a longitudinal direction, the hollow cylinder including a radially outer surface, with respect to the axis of the hollow cylinder, and a radial inner surface, with respect to the axis of the hollow cylinder, and at least one wall opening extending through the radially outer surface and the radially inner surface, such that the gaseous medium can flow through the at least one wall opening, the at least one wall opening fluidly connecting the main chamber and the output chamber, the inlet opening of the main chamber being laterally offset relative to the axis of the hollow cylinder to provide angular momentum to the gaseous medium relative to the axis of the hollow cylinder as the gaseous medium flows from the input chamber into the main chamber, the inlet opening configured to cause the gaseous medium to flow in a cyclone flow about, and in contact with, the radially outer surface of the hollow cylinder within the main chamber, the cyclone flow having a cyclone axis extending in the longitudinal direction;

the method further comprising:
feeding the gaseous medium, via the feed duct, to the burner;
converting the gaseous medium in the heatable combustion chamber of the burner to form an exhaust gas;
feeding the exhaust gas from the burner into the reaction chamber;
guiding the exhaust gas through the reaction chamber, and
converting the exhaust gas in the reaction chamber, within a residence period of the exhaust gas in the reaction chamber, to form a treated exhaust gas;
wherein a dispersion of the residence period of the exhaust gas in the reaction chamber is less than 50%.

2. The method as defined in claim 1 , further comprising compressing the gaseous medium in a compressor prior to feeding the gaseous medium to the burner.

3. The method as defined in claim 1 , further comprising heating the gaseous medium in a recuperator prior to feeding the gaseous medium to the burner.

4. The method as defined in claim 1 , further comprising expanding the treated exhaust gas in a turbine, and driving a generator and a compressor with the turbine.

5. The method as defined in claim 1 , wherein the second longitudinal axis is laterally offset from the first longitudinal axis.

6. An apparatus for treating or utilizing energy of a gaseous medium containing combustible components, the apparatus comprising:
a pressure container;
a burner including a heatable combustion chamber, the burner being arranged in a first portion of the pressure container, the first portion of the pressure container having a first longitudinal axis;
a feed duct for feeding the gaseous medium into the heatable combustion chamber;
a reaction chamber through which the gaseous medium can flow, the reaction chamber being arranged in a second portion of the pressure container, the second portion of the pressure container having a second longitudinal axis, the first longitudinal axis being transverse to the second longitudinal axis, the reaction chamber including an input chamber, a main chamber, and an output chamber, the input chamber being in fluid communication with the heatable combustion chamber, the main chamber being in fluid communication with the input chamber, the output chamber being in fluid communication with the main chamber and further being in fluid communication with a hot gas duct, thereby providing a flowpath for the gaseous medium from the heatable combustion chamber through the input chamber, through the main chamber, through the output chamber, and into the hot gas duct, the main chamber having an inlet opening for receiving the gaseous medium from the input chamber, the output chamber having an outlet opening for discharging the gaseous medium into the hot gas duct; and
a hollow cylinder for guiding the gaseous medium in the main chamber of the reaction chamber, the hollow cylinder having an axis and extending through the main chamber in a longitudinal direction, the hollow cylinder including a radially outer surface, with respect to the axis of the hollow cylinder, and a radially inner surface, with respect to the axis of the hollow cylinder, and at least one wall opening extending from the radially outer surface to the radially inner surface, such that the gaseous medium can flow through the at least one wall opening, the at least one wall opening fluidly connecting the main chamber and the output chamber, the inlet opening of the main chamber being laterally offset relative to the axis of the hollow cylinder to provide angular momentum to the gaseous medium relative to the axis of the hollow cylinder as the gaseous medium flows from the input chamber into the main chamber, the inlet opening configured to cause the gaseous medium to flow in a cyclone flow about, and in contact with, the radially outer surface of the hollow cylinder within the main chamber, the cyclone flow having a cyclone axis extending in the longitudinal direction.

7. The apparatus as defined in claim 6 , wherein the hollow cylinder includes at least one helical guiding element for guiding the gaseous medium about the radially outer surface of the hollow cylinder in the main chamber of the reaction chamber.

8. The apparatus as defined in claim 6 , wherein the cyclone flow of the gaseous medium is converted into a longitudinal flow within the hollow cylinder.

9. The apparatus as defined in claim 6 , wherein a plate body closes off a side of the main chamber of the reaction chamber, the plate body accommodating the hollow cylinder on a fixed bearing.

10. The apparatus as defined in claim 9 , wherein an end portion of the hollow cylinder facing away from the plate body is axially unrestrained along the longitudinal direction to accommodate thermal expansion of the hollow cylinder.

11. The apparatus as defined in claim 9 , wherein the hot gas duct includes a pipe body coupled to the plate body.

12. The apparatus as defined in claim 6 , wherein the main chamber of the reaction chamber extends in the

Assignees

• Duerr Systems Gmbh

Inventors

• Widenhorn Axel
• Stoll Roland

Classifications

• F23G2202/30

  in a pressurised chamber · CPC title

• F23G5/46

  Recuperation of heat · CPC title

• F23G5/442

  Waste feed arrangements · CPC title

• F23M5/00 Primary

  Casings; Linings; Walls · CPC title

• F02C7/20

  Mounting or supporting of plant; Accommodating heat expansion or creep · CPC title