# US 10,502,136 B2 · Filtration system for use in a gas turbine engine assembly and method of assembling thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,502,136 B2 - Document ID: US10502136B2 - Status: Granted - Kind: B2 - Application number: 14/507,616 - Filed: 2014-10-06 - Published: 2016-04-07 - Granted: 2019-12-10 - Earliest claimed: 2014-10-06 - Assignees: BHA Altair, LLC - Applicants: Robert Warren Taylor; Stephen David Hiner; Paul Sherwood Bryant - Inventors: Robert Warren Taylor; Stephen David Hiner; Paul Sherwood Bryant - Web page: https://patentgrep.com/patent/US10502136B2 ## CPC - F02C 7/052: with dust-separation devices - B01D 53/0407: {Constructional details of adsorbing systems} - B01D 53/0454: {Controlling adsorption (controlling temperature swing adsorption B01D53/0462, controlling pressure swing adsorption B01D53/047)} - B01D 53/06: with moving adsorbents, e.g. rotating beds {(B01D53/025 takes precedence)} - B01D 53/08: according to the "moving bed" method - B01D 2251/404: of calcium - B01D 2253/102: Carbon - B01D 2257/80: Water - B01D 2258/06: Polluted air - F05D 2250/191: perforated - F05D 2260/607: Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles - Y02E 20/14: Combined heat and power generation [CHP] - F02C: GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F01D; jet-propulsion plants F02K; construction of compressors or fans F04; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B11/00) - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A filtration system and methods of assembly and operation are provided. The filtration system includes an array of perforated tubes in flow communication with a flow of intake air. Each perforated tube comprises a solids inlet and a solids outlet. The system also includes a solids feed system comprising a feed line coupled in flow communication with said solids inlet and configured to channel sorbent material through each perforated tube in said array. The filtration system also includes a monitoring arrangement for monitoring a parameter associated with the intake air, and varying the operation of the system based upon said parameter. ## Claims ### Claim 1 A filtration system for use in a gas turbine engine assembly, said system comprising: an array of perforated tubes in flow communication with a flow of intake air, wherein each perforated tube comprises a solids inlet and a solids outlet, and wherein the array of perforated tubes are arranged such that at least some intake air of the gas turbine engine assembly only circulates around an exterior of each one of the array of perforated tubes without passing through said perforated tubes, such that at least some of the intake air passes to the gas turbine engine assembly without passing through said perforated tubes when traveling through the filtration system; and a solids feed system comprising a feed line coupled in flow communication with said solids inlet and configured to channel sorbent material through each perforated tube in said array, wherein the sorbent material is configured to remove gaseous contaminants entrained in the flow of intake air. ### Claim 2 (depends on 1) The system in accordance with claim 1, wherein said solids feed system further comprises: a recycle line coupled in flow communication with said solids outlet and configured to receive spent sorbent material from said array of perforated tubes; and a heater coupled in flow communication with said recycle line, wherein said heater is configured to regenerate the spent sorbent material. ### Claim 3 (depends on 2) The system in accordance with claim 2, wherein said heater comprises an outlet configured to channel a flow of contaminant-rich off-gas away from the flow of intake air as the spent sorbent material is regenerated. ### Claim 4 (depends on 2) The system in accordance with claim 2, wherein said solids feed system is configured to channel sorbent material through said array of perforated tubes at a flow rate based at least partially on a regeneration rate of the spent sorbent material. ### Claim 5 (depends on 1) The system in accordance with claim 1, wherein said solids feed system is configured to channel sorbent material through said array of perforated tubes at a flow rate based at least partially on an adsorption capacity of the sorbent material. ### Claim 6 (depends on 1) The system in accordance with claim 1, wherein said solids feed system is configured to channel a substantially continuous flow of sorbent material through said array of perforated tubes. ### Claim 7 (depends on 1) The system in accordance with claim 1, wherein said solids feed system is configured to channel sorbent material selected as a function of characteristics of the intake air. ### Claim 8 (depends on 1) The system in accordance with claim 1, wherein the sorbent material includes at least one of a carbon-based material, a calcium-based material, and a desiccant material. ### Claim 9 (depends on 1) The system in accordance with claim 1, further comprising a monitoring arrangement for monitoring a parameter of the intake air upstream and downstream from the array of perforated tubes. ### Claim 10 (depends on 9) The system in accordance with claim 9, wherein the monitoring arrangement includes a first monitor and a second monitor and a controller, the first and second monitors operatively connected to the controller. ### Claim 11 (depends on 10) The system in accordance with claim 10, wherein the first monitor is upstream of the array of perforated tubes relative to the flow of intake air, and wherein the second monitor is downstream of the array of perforated tubes relative to the flow of intake air. ### Claim 12 (depends on 11) The system in accordance with claim 11, wherein at least one of the first and second monitors comprise a Quartz Crystal Microbalance. ### Claim 13 A gas turbine engine assembly comprising: a filter house having a filtration system, the filtration system comprising: an array of perforated tubes in flow communication with a flow of intake air, wherein each perforated tube comprises a solids inlet and a solids outlet, and wherein the array of perforated tubes are arranged such that at least some intake air of the gas turbine engine assembly only circulates around an exterior of each one of the array of perforated tubes without passing through said perforated tubes, such that at least some of the intake air passes to the gas turbine engine assembly without passing through said perforated tubes when traveling through the filtration system; a solids feed system comprising a feed line coupled in flow communication with said solids inlet and configured to channel sorbent material through each perforated tube in said array, wherein the sorbent material is configured to remove gaseous contaminants entrained in the flow of intake air in a duct coupled to an outlet of said filter house, wherein said duct is configured to channel the flow of intake air downstream therefrom; and a monitoring arrangement for monitoring a parameter of the intake air upstream and downstream from the array of perforated tubes, the monitoring arrangement operable to vary at least one of a recirculation, regeneration, and replacement frequency of said sorbent material based upon said monitored parameter. ### Claim 14 (depends on 13) The assembly in accordance with claim 13, wherein said filter house further comprises a filter assembly configured to remove solid contaminants entrained in the flow of intake air. ### Claim 15 (depends on 14) The assembly in accordance with claim 14, wherein said filter assembly is one of upstream or downstream from said array of perforated tubes. ### Claim 16 (depends on 14) The assembly in accordance with claim 14, wherein said filter assembly comprises at least one high-efficiency filter element measured in accordance with at least one of EN1822 and EN779. ### Claim 17 (depends on 13) The assembly in accordance with claim 13, wherein said solids feed system further comprises: a recycle line coupled in flow communication with said solids outlet and configured to receive spent sorbent material from said array of perforated tubes; and a heater coupled in flow communication with said recycle line, wherein said heater is configured to regenerate the spent sorbent material. ### Claim 18 (depends on 17) The assembly in accordance with claim 17, wherein said heater is positioned away from said filter house such that a flow of contaminant-rich off-gas is channeled away from the flow of intake air as the spent sorbent material is regenerated. ### Claim 19 (depends on 17) The assembly in accordance with claim 17, wherein said solids feed system is configured to channel sorbent material through said array of perforated tubes at a flow rate based at least partially on a regeneration rate of the spent sorbent material. ### Claim 20 (depends on 13) The assembly in accordance with claim 13, wherein said solids feed system is configured to channel sorbent material through said array of perforated tubes at a flow rate based at least partially on an adsorption capacity of the sorbent material. ### Claim 21 A method of assembling a filtration system for use in a gas turbine assembly, said method comprising: providing an array of perforated tubes that each include a solids inlet and a solids outlet, wherein the array of perforated tubes is configured to be in flow communication with a flow of intake air and wherein the array of perforated tubes are arranged such that at least some intake air of the gas turbine engine assembly only circulates around an exterior of each one of the array of perforated tubes without passing through said perforated tubes, such that at least some of the intake air passes to the gas turbine engine assembly without passing through said perforated tubes when traveling through the filtration system; and coupling a feed line of a solids feed system in flow communication with the solids inlet, wherein the solids feed system is configured to channel sorbent material through each perforated tube in the array, the sorbent material configured to remove gaseous contaminants entrained in the flow of intake air. ### Claim 22 (depends on 21) The method in accordance with claim 21 further comprising positioning a filter assembly downstream from the array of perforated tubes, wherein the filter assembly is configured to remove solid contaminants entrained in the flow of intake air. ### Claim 23 (depends on 21) The method in accordance with claim 21 further comprising: coupling a recycle line coupled in flow communication with the solids outlet, wherein the recycle line is configured to receive spent sorbent material from the array of perforated tubes; and coupling a heater in flow communication with the recycle line, wherein the heater is configured to regenerate the spent sorbent material. ### Claim 24 (depends on 23) The method in accordance with claim 23 further comprising orienting an outlet defined in the heater such that a flow of contaminant-rich off-gas channeled therethrough is discharged away from the flow of intake air as the spent sorbent material is regenerated. ### Claim 25 (depends on 21) The method in accordance with claim 21, further comprising positioning a monitoring arrangement in proximity to the array of perforated tubes.