Apparatus for removing heat from injection devices and method of assembling same

• US 8,663,348 B2
• Filed: 08/11/2010
• Issued: 03/04/2014
• Est. Priority Date: 08/11/2010
• Status: Expired due to Fees

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: Sprouse, Kenneth M., Farhangi, Shahram, Saxelby, Robert M., Matthews, David R.
• Primary Examiner(s): Akram, Imran
• Application Number:
  US12/854,636
• Publication Number:
  US 20120039761A1
• Time in Patent Office: 1,301 Days
• Field of Search: None
• US Class Current: 48/61
• CPC Class Codes: B01F 25/231 the intersecting jets having the configuration of sheets, cylinders or cones
• CPC Class Codes: C10J 2200/152 Nozzles or lances for introducing gas, liquids or suspensions
• CPC Class Codes: C10J 2300/165 integrated with a gas turbine or gas motor gas turbine plants provided with a gas producer F02C3/28; engines using solid fuels F02B43/08
• CPC Class Codes: C10J 2300/1653 integrated in a gasification combined cycle [IGCC] engines driven by heat coming from a gasification or pyrolysis unit F01K23/067
• CPC Class Codes: C10J 2300/1675 making use of a steam turbine
• CPC Class Codes: C10J 2300/1678 with air separation separating gases using rectification of air F25J3/04521
• CPC Class Codes: C10J 3/506 for entrained flow gasifiers
• CPC Class Codes: C10J 3/72 Other features
• CPC Class Codes: C10K 1/165 at temperatures below zero degrees Celsius
• CPC Class Codes: F23C 2201/20 Burner staging
• CPC Class Codes: F23D 1/005 burning a mixture of pulverulent fuel delivered as a slurry, i.e. comprising a carrying liquid
• CPC Class Codes: F23D 2201/10 Nozzle tips
• CPC Class Codes: F23D 2213/00 Burner manufacture specifications
• CPC Class Codes: F23D 2214/00 Cooling
• CPC Class Codes: F23D 2900/00006 Liquid fuel burners using pure oxygen or O2-enriched air as oxidant for gaseous fuels F23D14/32
• CPC Class Codes: F23L 2900/07002 Injecting inert gas, other than steam or evaporated water, into the combustion chambers
• CPC Class Codes: F23L 2900/07005 Injecting pure oxygen or oxygen enriched air
• CPC Class Codes: F23L 7/005 Evaporated water; Steam
• CPC Class Codes: Y02E 20/16 Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
• CPC Class Codes: Y02E 20/18 Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
• CPC Class Codes: Y02E 20/34 : Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
• CPC Class Codes: Y10T 29/49826 : Assembling or joining
• CPC Class Codes: Y10T 29/53 : Means to assemble or disassemble

Abstract

A method of assembling an injection device for use in a reactor injector feed assembly includes extending the injection device at least partially into a cavity. The injection device includes a plurality of substantially concentric conduits coupled to a modular tip that includes a plurality of cooling channels and a plurality of substantially annular nozzles defined therein. The method also includes coupling at least one coolant distribution device in flow communication with the plurality of cooling channels to facilitate removing heat from an outer surface of the injection device.

Claims

1. An injection device for use in a reactor injector feed assembly comprising:

a plurality of substantially concentric conduits coupled to a modular tip comprising a plurality of substantially annular nozzles;

an outer surface extending into a cavity such that said outer surface is exposed to a source of heat within the cavity;

a cooling fluid supply plenum;

a cooling fluid return plenum;

a plurality of cooling channels defined within said injection device, each of said cooling channels is at least one of radially and axially inward of said outer surface and coupled in flow communication with said cooling fluid supply and return plenums, wherein said plurality of cooling channels comprises a plurality of radially outer cooling channels, a plurality of radially inner cooling channels, and a plurality of substantially circumferential cooling channels, wherein said plurality of radially outer cooling channels comprises;

at least one radially outer cooling channel inlet coupled in flow communication with said cooling fluid supply plenum; and

at least one radially outer cooling channel outlet coupled in flow communication with said coolant fluid return plenum; and

at least one coolant distribution device coupled in flow communication with said plurality of cooling channels to facilitate removing heat from at least a portion of said outer surface.

2. An injection device in accordance with claim 1, wherein

said at least one coolant distribution device comprises at least one cooling channel orifice plate.

3. An injection device in accordance with claim 1, wherein:

said plurality of radially inner cooling channels comprise;

at least one radially inner cooling channel inlet orifice plate coupled in flow communication with said radially inner coolant supply plenum, said radially inner coolant supply plenum coupled in flow communication with said cooling fluid supply plenum via at least one coolant supply spoke; and

at least one radially inner cooling channel outlet coupled in flow communication with radially inner coolant return plenum, said radially inner coolant return plenum coupled in flow communication with said cooling fluid return plenum via at least one coolant return spoke; and

said plurality of substantially circumferential cooling channels comprises;

at least one axially inner circumferential cooling channel coupled in flow communication with said cooling fluid supply plenum and said cooling fluid return plenum; and

at least one axially outer circumferential cooling channel coupled in flow communication with said cooling fluid supply plenum and said cooling fluid return plenum.

4. An injection device in accordance with claim 1, wherein said outer surface comprises a transpiration-type open cooling system, wherein said outer surface at least partially comprises a porous material.

5. A gasification facility comprising:

at least one carbonaceous reactant source;

at least one oxygenated fluid reactant source;

at least one gasification reactor comprising at least one injection device coupled in flow communication with said at least one carbonaceous reactant source and said at least one oxygenated fluid reactant source, said at least one injection device comprising;

a plurality of substantially concentric conduits coupled to a modular tip comprising a plurality of substantially annular nozzles;

an outer surface extending into said at least one gasification reactor such that said outer surface is exposed to a source of heat within said at least one gasification reactor;

a cooling fluid supply plenum;

a cooling fluid return plenum;

a plurality of cooling channels defined within said injection device, each of said cooling channels is at least one of radially and axially inward of said outer surface and coupled in flow communication with said cooling fluid supply and return plenums, wherein said plurality of cooling channels comprises a plurality of radially outer cooling channels, a plurality of radially inner cooling channels, and a plurality of substantially circumferential cooling channels, wherein said plurality of radially outer cooling channels comprises;

at least one radially outer cooling channel inlet coupled in flow communication with said cooling fluid supply plenum; and

at least one radially outer cooling channel outlet coupled in flow communication with said coolant fluid return plenum; and

at least one coolant distribution device coupled in flow communication with said plurality of cooling channels to facilitate removing heat from at least a portion of said outer surface.

6. A gasification facility in accordance with claim 5, wherein said modular tip defines at least a portion of said outer surface, said outer surface comprises:

a plurality of first cooling surfaces that radially extend about and are spaced radially about at least a portion of said outer surface; and

a plurality of second cooling surfaces that circumferentially extend about and are spaced circumferentially about at least a portion of said outer surface.

7. A gasification facility in accordance with claim 6, wherein:

said plurality of first cooling surfaces comprises a radially outer cooling surface and a radially inner cooling surface; and

said plurality of second cooling surfaces comprises an axially inner circumferential cooling surface and an axially outer circumferential cooling surface.

8. A gasification facility in accordance with claim 5, wherein

said at least one coolant distribution device comprises at least one cooling channel orifice plate.

9. A gasification facility in accordance with claim 5, wherein:

said plurality of radially inner cooling channels comprise;

at least one radially inner cooling channel inlet orifice plate coupled in flow communication with said radially inner coolant supply plenum, said radially inner coolant supply plenum coupled in flow communication with said cooling fluid supply plenum via at least one coolant supply spoke; and

at least one radially inner cooling channel outlet coupled in flow communication with said radially inner coolant return plenum, said radially inner coolant return plenum coupled in flow communication with said cooling fluid return plenum via at least one coolant return spoke; and

said plurality of substantially circumferential cooling channels comprises;

at least one axially inner circumferential cooling channel coupled in flow communication with said cooling fluid supply plenum and said cooling fluid return plenum; and

at least one axially outer circumferential cooling channel coupled in flow communication with said cooling fluid supply plenum and said cooling fluid return plenum.

10. A gasification facility in accordance with claim 5, wherein said outer surface comprises a transpiration-type open cooling system, wherein said outer surface at least partially comprises a porous material.