US6701712B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for producing power
Assignee: Ormat Technologies Inc
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Filing: 2001-05-21
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Granted: 2004-03-09
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Expires: 2021-05-21
Abstract
Abstract A method and apparatus for producing power comprising a grate cooler for cooling clinker supplied from cement production apparatus, an electrostatic precipitator that extracts particulate matter from hot air supplied from said grate cooler, the grate cooler and electrostatic precipitator working in combination with an air-heat transfer heat-exchanger, a pre-heater, a vaporizer, a turbine, and a working fluid condenser, to produce power.
Inventors
- 👤 Lucien Y. Bronicki
- 👤 Hilel Legmann
- 👤 Nadav Amir
- 👤 Dan Batscha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:43
CPC Classifications
F; F01; F01K; F01K23/00; F01K23/02; F01K23/06; F01K23/064; F03; F03G; F03G7/00
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
158 words
A method for producing power comprising the steps of: a) supplying clinker from cement production apparatus to a grate cooler for cooling the clinker; b) extracting hot air from the grate cooler and supplying it to a electrostatic precipitator for extracting particulate matter from said hot air; c) supplying filtered air exiting said electrostatic precipitator to an air-heat transfer fluid heat-exchanger for heating a heat transfer fluid; d) vaporizing working fluid in a vaporizer using heat in the heated heat transfer fluid and producing vaporized working fluid and heat depleted heat transfer fluid; e) pre-heating working fluid using heat in said heat depleted heat transfer fluid; f) supplying vaporized working fluid produced in said vaporizer to a turbine for producing power; g) supplying vaporized working fluid exiting said turbine to a working fluid condenser that condenses said vaporized working fluid exiting said turbine and producing working fluid condensate; and h) supplying said working fluid condensate to said vaporizer.
Claim 2
Independent Claim
158 words
A method for producing power comprising the steps of: a) supplying clinker from cement production apparatus to a grate cooler for cooling the clinker; b) extracting hot air from the grate cooler and supplying it to a electrostatic precipitator for extracting particulate matter from said hot air; c) supplying filtered air exiting said electrostatic precipitator to an air-heat transfer fluid heat-exchanger for heating a heat transfer fluid; d) vaporizing working fluid in a vaporizer using heat in the heated heat transfer fluid and producing vaporized working fluid and heat depleted heat transfer fluid; e) pre-heating working fluid using heat in said heat depleted heat transfer fluid; f) supplying vaporized working fluid produced in said vaporizer to a turbine for producing power; g) supplying vaporized working fluid exiting said turbine to a working fluid condenser that condenses said vaporized working fluid exiting said turbine and producing working fluid condensate; and h) supplying said working fluid condensate to said vaporizer.
Claim 3
Dependent Claim
39 words
A method according to claim 1 indicating supplying the vaporized working fluid exiting said turbine to a recuperator that heat working fluid condensate supplied from said working fluid condenser prior to supplying said working fluid condensate to said vaporizer.
Claim 4
Dependent Claim
33 words
A method according to claim 1 wherein said working fluid condensate is supplied to a pre-heater that preheats said working fluid condensate and produces preheated working fluid that is supplied to said vaporizer.
Claim 5
Dependent Claim
147 words
Apparatus for producing power comprising: a) a grate cooler for cooling clinker supplied from cement production apparatus; b) a electrostatic precipitator that extracts particulate matter from hot air supplied from said grate cooler; c) an air-heat transfer fluid heat-exchanger that heats heat transfer fluid with heat from filtered air exiting said electrostatic precipitator; d) a vaporizer that vaporizes working fluid using heat in the heated heat transfer fluid and produces vaporized working fluid and heat depleted heat transfer fluid; e) a pre-heater that vaporizes pre-heated working fluid in a pre-heater using heat in said heat depleted heat transfer fluid; f) a turbine that receives vaporized working fluid produced in said vaporizer and produces power; and g) a working fluid condenser that receives vaporized working fluid exiting said turbine and condenses said vaporized working fluid exiting said turbine, producing working fluid condensate that is supplied to said vaporizer.
Claim 6
Dependent Claim
147 words
Apparatus for producing power comprising: a) a grate cooler for cooling clinker supplied from cement production apparatus; b) a electrostatic precipitator that extracts particulate matter from hot air supplied from said grate cooler; c) an air-heat transfer fluid heat-exchanger that heats heat transfer fluid with heat from filtered air exiting said electrostatic precipitator; d) a vaporizer that vaporizes working fluid using heat in the heated heat transfer fluid and produces vaporized working fluid and heat depleted heat transfer fluid; e) a pre-heater that vaporizes pre-heated working fluid in a pre-heater using heat in said heat depleted heat transfer fluid; f) a turbine that receives vaporized working fluid produced in said vaporizer and produces power; and g) a working fluid condenser that receives vaporized working fluid exiting said turbine and condenses said vaporized working fluid exiting said turbine, producing working fluid condensate that is supplied to said vaporizer.
Claim 7
Dependent Claim
38 words
Apparatus according to claim 4 including a recuperator that heats working fluid condensate supplied from said working fluid condenser with heat from the vaporized working fluid exiting said turbine prior to supplying working fluid condensate to said vaporizer.
Claim 8
Dependent Claim
24 words
Apparatus according to claim 4 wherein said pre-heater preheats said working fluid condensate and produces preheated working fluid that is supplied to said vaporizer.
Claim 9
Dependent Claim
14 words
Apparatus according to claim 4 wherein said working fluid comprises an organic working fluid.
Claim 10
Dependent Claim
11 words
Apparatus according to claim 7 wherein said working fluid comprises pentane.
Claim 11
Independent Claim
179 words
A method for producing power comprising the steps of: a) supplying clinker from cement production apparatus to a grate cooler for cooler for cooling the clinker; b) extracting hot air from the grate cooler and supplying it to a bag filter for extracting particulate matter from said hot air; c) supplying air exiting said grate cooler to an air-heat transfer fluid heat-exchanger for heating a heat transfer fluid and cooling said air prior to supplying said air exiting said grate cooler to said bag filter; d) vaporizing working fluid in a vaporizer using heat in the heated heat transfer fluid and producing vaporized working fluid and heat depleted heat transfer fluid; e) pre-heating said working fluid using heat in said heat depleted heat transfer fluid; f) supplying said vaporized working fluid produced in said vaporizer to a turbine for producing power; g) supplying said vaporized working fluid exiting said turbine to a working fluid condenser that condenses said vaporized working fluid exiting said turbine and producing working fluid condensate; and h) supplying said working fluid condensate to said vaporizer.
Claim 12
Independent Claim
179 words
A method for producing power comprising the steps of: a) supplying clinker from cement production apparatus to a grate cooler for cooler for cooling the clinker; b) extracting hot air from the grate cooler and supplying it to a bag filter for extracting particulate matter from said hot air; c) supplying air exiting said grate cooler to an air-heat transfer fluid heat-exchanger for heating a heat transfer fluid and cooling said air prior to supplying said air exiting said grate cooler to said bag filter; d) vaporizing working fluid in a vaporizer using heat in the heated heat transfer fluid and producing vaporized working fluid and heat depleted heat transfer fluid; e) pre-heating said working fluid using heat in said heat depleted heat transfer fluid; f) supplying said vaporized working fluid produced in said vaporizer to a turbine for producing power; g) supplying said vaporized working fluid exiting said turbine to a working fluid condenser that condenses said vaporized working fluid exiting said turbine and producing working fluid condensate; and h) supplying said working fluid condensate to said vaporizer.
Claim 13
Dependent Claim
24 words
The method according to claim 9 including the step of filtering the air prior to supplying it to said air-heat transfer fluid heat exchanger.
Claim 14
Dependent Claim
40 words
The method according to claim 9 including supplying the vaporized working fluid exiting said turbine to a recuperator that heats the working fluid condensate supplied from said working fluid condenser prior to supplying said working fluid condensate to said vaporizer.
Claim 15
Dependent Claim
33 words
The method according to claim 9 wherein said working fluid condensate is supplied to a pre-heater that preheats said working fluid condensate and produces preheated working fluid that is supplied to said vaporizer.
Claim 16
Dependent Claim
158 words
Apparatus for producing power comprising: a) a grate cooler for cooling clinker supplied from cement production apparatus; b) a bag filter that extracts particulate matter from hot air supplied from said grate cooler; c) an air-heat transfer fluid heat exchanger that heats heat transfer fluid with heat from air exiting said grate cooler and cools said air prior to supplying it to said bag filter; d) a vaporizer that vaporizes working fluid using heat in the heated heat transfer fluid and produces vaporized working fluid and heat depleted heat transfer fluid; e) a pre-heater that vaporizes pre-heated working fluid using heat in said heat depleted heat transfer fluid; f) a turbine that receives said vaporized working fluid produced in said vaporizer and produces power; and g) a working fluid condenser that receives said vaporized working fluid exiting said turbine and condenses said vaporized working fluid exiting said turbine, producing working fluid condensate that is supplied to said vaporizer.
Claim 17
Dependent Claim
158 words
Apparatus for producing power comprising: a) a grate cooler for cooling clinker supplied from cement production apparatus; b) a bag filter that extracts particulate matter from hot air supplied from said grate cooler; c) an air-heat transfer fluid heat exchanger that heats heat transfer fluid with heat from air exiting said grate cooler and cools said air prior to supplying it to said bag filter; d) a vaporizer that vaporizes working fluid using heat in the heated heat transfer fluid and produces vaporized working fluid and heat depleted heat transfer fluid; e) a pre-heater that vaporizes pre-heated working fluid using heat in said heat depleted heat transfer fluid; f) a turbine that receives said vaporized working fluid produced in said vaporizer and produces power; and g) a working fluid condenser that receives said vaporized working fluid exiting said turbine and condenses said vaporized working fluid exiting said turbine, producing working fluid condensate that is supplied to said vaporizer.
Claim 18
Dependent Claim
41 words
The apparatus according to claim 13 including a recuperator that heats said working fluid condensate supplied from said working fluid condenser with heat from the vaporized working fluid exiting said turbine prior to supplying said working fluid condensate to said vaporizer.
Claim 19
Dependent Claim
25 words
The apparatus according to claim 13 wherein said pre-heater preheats said working fluid condensate and produces preheated working fluid that is supplied to said vaporizer.
Claim 20
Dependent Claim
15 words
The apparatus according to claim 13 wherein said working fluid comprises an organic working fluid.
Claim 21
Dependent Claim
13 words
The apparatus according to claim 16 wherein said organic working fluid comprises pentane.
Claim 22
Dependent Claim
17 words
Apparatus according to claim 13 wherein said air-heat transfer fluid heat exchanger comprises a counter-flow heat exchanger.
Claim 23
Dependent Claim
17 words
Apparatus according to claim 18 wherein said counter-flow heat exchanger comprises a shell and tube heat exchanger.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2007-03-09 | 2007-09-08 | 2008-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-03-09 | 2011-09-08 | 2012-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-03-09 | 2015-09-08 | 2016-03-09 | $7700.00 | Window Closed / Lapsed |