Source: http://www.google.com/patents/US8150559?dq=7565338
Timestamp: 2014-08-29 09:14:06
Document Index: 73903351

Matched Legal Cases: ['Application No. 61', 'Application No. 61', 'Application No. 60', 'Application No. 61', 'Application No. 61', 'Application No. 61', 'Application No. 60', 'Application No. 61']

Patent US8150559 - Systems and program product for heat exchanger network energy efficiency ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsSystems and program product for managing/assessing heat exchanger network energy efficiency and retrofit for an industrial facility, are provided. An embodiment of a system can include a heat exchanger network analysis and design computer and heat exchange network analysis and design program product...http://www.google.com/patents/US8150559?utm_source=gb-gplus-sharePatent US8150559 - Systems and program product for heat exchanger network energy efficiency assessment and lifetime retrofitAdvanced Patent SearchPublication numberUS8150559 B2Publication typeGrantApplication numberUS 13/041,057Publication dateApr 3, 2012Filing dateMar 4, 2011Priority dateJun 23, 2006Also published asCN102947831A, EP2564335A2, US20110178835, WO2011139557A2, WO2011139557A3Publication number041057, 13041057, US 8150559 B2, US 8150559B2, US-B2-8150559, US8150559 B2, US8150559B2InventorsMahmoud Bahy NoureldinOriginal AssigneeSaudi Arabian Oil CompanyExport CitationBiBTeX, EndNote, RefManPatent Citations (26), Non-Patent Citations (21), Referenced by (2), Classifications (15), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetSystems and program product for heat exchanger network energy efficiency assessment and lifetime retrofitUS 8150559 B2Abstract Systems and program product for managing/assessing heat exchanger network energy efficiency and retrofit for an industrial facility, are provided. An embodiment of a system can include a heat exchanger network analysis and design computer and heat exchange network analysis and design program product configured to cause the heat exchange network analysis and design computer to perform various operations including those for determining an optimal heat exchanger network retrofit projects sequence extending between a current heat exchanger network retrofit project satisfying a current desired waste energy recovery goal and a future heat exchanger network retrofit project satisfying the final waste energy recovery goal. The heat exchanger network retrofit projects sequence can be configured so that each subsequent project within the heat exchanger network retrofit projects sequence does not contradict any of the previous projects within the heat exchanger network retrofit projects sequence.
That claimed is: 1. A system to manage heat exchanger network energy efficiency and retrofits for an industrial facility having a plurality of process streams comprising a plurality of hot process streams and a plurality of cold process streams, the system comprising:
RELATED APPLICATIONS This patent application is a continuation-in-part of U.S. patent application Ser. No. 12/898,475, filed Oct. 5, 2010, titled �Systems, Program Product, and Methods For Synthesizing Heat Exchanger Networks That Account For Future Higher Levels of Disturbances and Uncertainty and Identifying Optimal Topology For Future Retrofit,� which claims priority to the benefit of U.S. Provisional Patent Application No. 61/356,900, filed Jun. 21, 2010, titled �Systematic Synthesis Method and Program Product For Heat Exchanger Network Life-Cycle Switchability and Flexibility Under All Possible Combinations of Process Variations� and U.S. Provisional Application No. 61/256,754, filed Oct. 30, 2009, titled �System, Method, and Program Product for Synthesizing Non-Constrained and Constrained Heat Exchanger Networks and Identifying Optimal Topoloy for Future Retrofit,� and which is a continuation-in-part of U.S. patent application Ser. No. 12/715,255, filed Mar. 1, 2010, now U.S. Pat. No. 7,873,443 titled �System, Method, and Program Product for Targeting and Optimal Driving Force Distribution in Energy Recovery Systems� which is a continuation of U.S. patent application Ser. No. 11/768,084, filed on Jun. 25, 2007, now U.S. Pat. No. 7,698,022, titled �System, Method, and Program Product for Targeting and Optimal Driving Force Distribution in Energy Recovery Systems,� which claims priority to and the benefit of U.S. Provisional Patent Application No. 60/816,234, filed Jun. 23, 2006, titled �Method and Program Product for Targeting and Optimal Driving Force Distribution in Energy Recovery Systems,� U.S. patent application Ser. No. 12/767,217, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Non-Constrained and Constrained Heat Exchanger Networks,� U.S. patent application Ser. No. 12/767,275, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Non-Thermodynamically Constrained Heat Exchanger Networks,� and U.S. patent application Ser. No. 12/767,315, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Heat Exchanger Networks and Identifying Optimal Topology for Future Retrofit,� and U.S. patent application Ser. No. 12/575,743, filed Oct. 8, 2009, titled �System, Method, and Program Product for Targeting and Identification of Optimal Process Variables in Constrained Energy Recovery Systems; and is a continuation-in-part of U.S. patent application Ser. No. 12/767,315, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Heat Exchanger Networks and Identifying Optimal Topology for Future Retrofit,� which claims priority to U.S. Provisional Patent Application No. 61/256,754, filed Oct. 30, 2009, titled �System, Method, and Program Product for Synthesizing Non-Constrained and Constrained Heat Exchanger Networks and Identifying Optimal Topology for Future Retrofit; and is related to U.S. patent application Ser. No. 12/480,415, filed Jun. 8, 2009, titled �System, Program Product, and Related Methods for Global Targeting of Process Utilities Under Varying Conditions� and U.S. patent application Ser. No. 13/041,087, filed Mar. 4, 2011, titled �Methods for Heat Exchanger Network Energy Efficiency Assessment and Lifetime Retrofit,� each incorporated herein by reference in its entirety.
More specifically, an example of an embodiment of a system to manage/access heat exchanger network energy efficiency and retrofits for an industrial facility can include a heat exchanger network analysis and design computer having a processor and memory coupled to the processor to store software and database records therein, and a database stored in the memory (volatile or nonvolatile, internal or external) of or otherwise accessible to the heat exchanger network analysis and design computer. The database can include a plurality of sets of values each separately defining a potential range of values for each operational attribute for each of a plurality of hot process streams and a plurality of sets of values each separately defining a potential range of values for each operational attribute for each of a plurality of cold process streams. Such attributes can include, for example, a lower and an upper boundary value for a supply temperature (Ts) of each of the hot process streams and each of the cold process streams, a lower and an upper boundary value for a target temperature (Tt) of each of the hot process streams and each of the cold process streams, and/or a lower and an upper boundary value for a heat capacity flow rate (FCp) of each of the hot process streams and each of the cold process streams. The attributes also include capital costs of various HEN equipment for the industrial facility according to the received streams conditions, along with one or more sets of stream-specific minimum temperature approach values between streams (ΔT_min_i), streams initial types, streams matching constraints, global utility consumption values [Qh], [Qc] where the �[ ]� denotes interval values. The attributes can also include the interval and/or discrete locations of the pinch regions often referred to as a �pinch point� which describe a �region of minimum choice lower and upper temperature boundaries� at least for each pinch point controlling process stream/stream temperature, identification of the streams that control the pinch locations, data linking the pinch points define a map or maps of the pinch locations according to a progressive change in ΔT_min_i or process conditions, and the minimum number of HE units required for a network condition at each pinch location, among others.
The operation of determining an optimal heat exchanger network retrofit projects sequence can also or alternatively include receiving minimum temperature approach value data indicating an upper and a lower range of a set of stream-specific minimum temperature approach values. The upper range of stream-specific minimum temperature approach values is normally assigned a value attainable according to a current structure of the existing heat exchanger network. The lower range of stream-specific minimum temperature approach values is normally assigned a lower bound set associated with a last retrofit project to be conducted at a future date at an end of the serviceable life of the heat exchanger network for the facility defining the future heat exchanger network retrofit project. Further lower bound set, a number such as 2� F., 5� F., or some theoretical minimum based on future advances in HE unit technology. The operation can also include determining a process pinch range interval identifying a ranges of process pinch locations for all anticipated combinations of process conditions and heat exchanger network design modifications (e.g., due to conditions changes) responsive to the minimum temperature approach value data.
FIG. 12 illustrates a scenario where one stream (a cold stream) is extended across the pinch. New matches will be needed to recover the waste heating load above the pinch (Q_h_waste) and waste cooling load below the pinch (Q_c_waste). Where Q_lost_heating is equal to Q_lost_cooling, this waste �heating load� above the pinch and waste �cooling load� below the pinch are equal to Q_lost_heating=FCph*(Ts−Tt)−FCpc*(tt−tp). If the Q_lost*$/MMBtu saved in both heating and cooling utilities does not justify adding two new units, stop this leg of the process. Otherwise, use the existing unit for matching the hot stream load above the pinch with new cold stream(s) load or cold stream split above the pinch, and insert the new match with an existing cold stream lying at the pinch, if the driving force allows it. Otherwise re-sequence the units on such cold stream to allow the insertion. Where FCph<=FCpc_new, the cold stream and/or the cold split shall be lying at a utility path/heater path, the cold stream split ts, lying at the pinch and its FCph_branch, is equal to Qlost/(Ts−Tt).
Identify pinch point locations interval - i.e., range of pinch location changes due
Apply NLP to optimize additional total area for given topology -- i.e., determine
Identify optimal pinch point location from both number
Calculate/determine and graphically display structure of current HEN. To find
Manipulate ΔT_min_i of the stream controlling pinch location.
FIGS. 32-42 illustrate an example of a systematic technique for implementing procedures for retrofit project solutions finding using an industrial process example identified in Shenoy, �Heat Exchanger Network Synthesis� (1995), which provides long-term targeting for both energy recovery and number of units to be added, which overcomes conventional process pinch, methods which, for example, use ad hoc global ΔT_min and its rules whereby solutions are packaged, not inclusive, do not consider future retrofit, are not robust, and are limited by the fact that each ad hoc change in global ΔT_min changes the whole scheme of solutions without no clear connection among solutions.
FIG. 62 illustrates the exemplary structure of FIG. 57 illustrating the Pinch interval extending between 100� F. and 160� F. determined according to the exemplary process. According to the exemplary process, the minimum number of HE units required can be determined as follows: 16 HE units for the 160� F. pinch, 14 HE units for the 140� F. pinch, and 15 HE units for the 100� F. According to an embodiment of the process, if and only if the current pinch location is the optimal one, mark the cross pinch and utility violators and adjust the structure to eliminate lost-in-topology energy as a result of due to using less than minimum number of units and wrong matching. In this example, however, the lab, test indicates that the optimal pinch location is 140� F. Note, this feature of being able to adjust the pinch point location to an ultimate selection, according to a preferred configuration, can be important as it enables the designer to be in control of the retrofit solutions selection The lack of this ability is a major drawback in the mathematical programming methods since as soon the model is formulated and the objective function and data base are in place, the designer has no control on the output.
This patent application is a continuation-in-part of U.S. patent application Ser. No. 12/898,475, filed Oct. 5, 2010, titled �Systems, Program Product, and Methods For Synthesizing Heat Exchanger Networks That Account For Future Higher Levels of Disturbances and Uncertainty and identifying Optimal Topology For Future Retrofit,� which claims priority to the benefit of U.S. Provisional Patent Application No. 61/356,900, filed Jun. 21, 2010, titled �Systematic Synthesis Method and Program Product For Heat Exchanger Network Life-Cycle Switchability and Flexibility Under All Possible Combinations of Process Variations� and U.S. Provisional Application No. 61/256,754, filed Oct. 30, 2009, titled �System, Method, and Program Product for Synthesizing Non-Constrained and Constrained Heat Exchanger Networks and Identifying Optimal Topoloy for Future Retrofit,� and which is a continuation-in-part of U.S. patent application Ser. No. 12/715,255, filed Mar. 1, 2010, titled �System, Method, and Program Product for Targeting and Optimal Driving Force Distribution in Energy Recovery Systems� which is a continuation of U.S. patent application Ser. No. 11/768,084, filed on Jun. 25, 2007, now U.S. Pat. No. 7,698,022, titled �System, Method, and Program Product for Targeting and Optimal Driving Force Distribution in Energy Recovery Systems,� which claims priority to and the benefit of U.S. Provisional Patent Application No. 60/816,234, filed Jun. 23, 2006, titled �Method and Program Product for Targeting and Optimal Driving Force Distribution in Energy Recovery Systems,� U.S. patent application Ser. No. 12/767,217, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Non-Constrained and Constrained Heat Exchanger Networks,� U.S. patent application Ser. No. 12/767,275, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Non-Thermodynamically Constrained Heat Exchanger Networks,� and U.S. patent application Ser. No. 12/767,315, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Heat Exchanger Networks and Identifying Optimal Topology for Future Retrofit,� and U.S. patent application Ser. No. 12/575,743, filed Oct. 8, 2009, titled �System, Method, and Program Product for Targeting and Identification of Optimal Process Variables in Constrained Energy Recovery Systems; and is a continuation-in-part of U.S. patent application Ser. No. 12/767,315, filed Apr. 26, 2010, titled �System, Method, and Program Product for Synthesizing Heat Exchanger Networks and Identifying Optimal Topology for Future Retrofit,� which claims priority to U.S. Provisional Patent Application No. 61/256,754, filed Oct. 30, 2009, titled �System, Method, and Program Product for Synthesizing Non-Constrained and Constrained Heat Exchanger Networks and Identifying Optimal Topology for Future Retrofit; and is related to U.S. patent application Ser. No. 12/480,415, filed Jun. 8, 2009, titled �System, Program Product, and Related Methods for Global Targeting of Process Utilities Under Varying Conditions� and U.S. patent application Ser. No. 13/041,087, filed Mar. 4, 2001, titled �Methods for Heat Exchanger Network Energy Efficiency Assessment and Lifetime Retrofit,� each incorporated herein by reference in its entirety.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS4142108Dec 13, 1977Feb 27, 1979Sperry Rand CorporationGeothermal energy conversion systemUS4449571Nov 16, 1981May 22, 1984Kramert Arthur RHeat recovery systemUS5269135Feb 5, 1993Dec 14, 1993General Electric CompanyGas turbine engine fan cooled heat exchangerUS5517428May 2, 1994May 14, 1996Williams; DavidFor minimizing the weight of a many terminal piping systemUS5824888 *Jan 11, 1996Oct 20, 1998Linnhoff March LimitedOf use of a fluid in a multi-process unit plantUS6785633Dec 28, 2001Aug 31, 2004General Electric CompanyMethod and apparatus for assessing performance of combined cycle power-plantsUS7103452Dec 23, 2004Sep 5, 2006Theodora RetsinaMethod and system for targeting and monitoring the energy performance of manufacturing facilitiesUS7125540Jun 6, 2000Oct 24, 2006Battelle Memorial InstituteMicrosystem process networksUS7356383Feb 10, 2005Apr 8, 2008General Electric CompanyMethods and apparatus for optimizing combined cycle/combined process facilitiesUS7698022Jun 25, 2007Apr 13, 2010Saudi Arabian Oil CompanySystem, method, and program product for targeting and optimal driving force distribution in energy recovery systemsUS7729809Oct 8, 2009Jun 1, 2010Saudi Arabian Oil CompanySystem, method, and program product for targeting and identification of optimal process variables in constrained energy recovery systemsUS7873443Mar 1, 2010Jan 18, 2011Saudi Arabian Oil CompanySystem, method and program product for targeting and optimal driving force distribution in energy recovery systemsUS20020134542Mar 20, 2001Sep 26, 2002Unsworth John DuncanHeat exchanger with passive in-line temperature controlUS20060036417Aug 11, 2004Feb 16, 2006Qunwei WuSystem and method for optimizing and simulating thermal management systems and predictive flow controlUS20060048920Jul 15, 2005Mar 9, 2006Donald HelleurEnergy reclaiming processUS20070061049Aug 28, 2006Mar 15, 2007Toshikatsu MasudaSystem, method and program for designing a utility facility and method for manufacturing a product by the utility facilityUS20080140376Jul 5, 2007Jun 12, 2008Alfa Laval VicarbOptimizing a chemical reaction in a plate-type open reactorUS20080163625Jan 10, 2007Jul 10, 2008O'brien Kevin MApparatus and method for producing sustainable power and heatUS20090151321Dec 13, 2007Jun 18, 2009Jarmon David CFlowpath heat exchanger for thermal management and power generation within a hypersonic vehicleCN101206754ADec 21, 2006Jun 25, 2008北京华电天仁电力控制技术有限公司Method for optimizing distribution of thermal power station load based on a plurality of restriction rulesJP2002122005A Title not availableJP2003016113A Title not availableJP2004272347A Title not availableNZ527244A Title not availableWO2001008054A2Jul 27, 2000Feb 1, 2001Raytheon CoMethod and system for process designWO2005010783A1Jul 27, 2004Feb 3, 2005Noureldin Mahmoud Bahy MahmoudImproved system and computer software for modelling energy consumption* Cited by examinerNon-Patent CitationsReference1 *"Keeping down the cost of revamp investment", Martin et al, Revamps and Shutdowns, Petroleum Technology Quarterly, Summer 1999, pp. 99-107.2"Optimization Application: Pinch Technology Analysis". Ch. 9, Optimum Design and Design Strategy (no date), pp. 414-433 (20 pages).3Aspentech; "Understanding Process and Design Interactions", Sep. 2002 (6 pages).4Canmet Energy Technology Center; "Pinch Analysis: For the Efficient Use of Energy, Water & Hydrogen", Oil Refining Industry-Example of Pinch Application, http://canmetenergy-canmetenergie.nrcan.gc.ca/eng/industriaLprocesseslindustrial-sys (no date) (17 pages).5Canmet Energy Technology Center; "Pinch Analysis: For the Efficient Use of Energy, Water & Hydrogen", Oil Refining Industry�Example of Pinch Application, http://canmetenergy-canmetenergie.nrcan.gc.ca/eng/industriaLprocesseslindustrial�sys (no date) (17 pages).6De Ruyck et al., "Broadening the Capabilities of Pinch Analysis Through Virtual Heat Exchanger Networks", 44 Energy Conserv. & Mgmt (2003), pp. 2321-2329 (9 pages).7Furman et al; "A Critical Review and Annotated Bibliography for Heat Exchanger Network Synthesis in the 20th Century"; Industrial Engineering & Chemistry Research, vol. 41, pp. 2335-2370 (2002) (18 pages).8Gundersen et al.; "The Synthesis of Cost Optimal Heat Exchanger Networks"; Computers and Chemical Engineering; vol. 12, No. 6, pp. 503-530 (1988) (28 pages).9Lagaros et al, "Multi-objective Design Optimization Using Cascade Evolutionary Computations", 194 Comput. Methods Appl. Mech. Eng. (2005), pp. 3496-3515 (20 pages).10Lakshmanan et al., "Pinch Location and Minimum Temperature Approach for Discontinuous Composite Curves", 26 (6) Computers & Chem Eng (2002). pp. 779-783 (11 pages).11March, L.; "Introduction to Pinch"; Date unknown (65 pages).12Matijaseviae et al., "Energy Recovery by Pinch Technology", 22 Appl. Therm Eng. (2002), pp. 477-484 (53 pages).13Partial File History of U.S. Appl. No. 12/767,217, filed Apr. 26, 2010 (294 pages).14Partial File History of U.S. Appl. No. 12/767,275, filed Apr. 26, 2010 (174 pages).15Partial File History of U.S. Appl. No. 12/767,315, filed Apr. 26, 2010 (167 pages).16Petchers, Neil; "An Integrated Approach to Energy Resource Optimization"; Chapter 8, Combined Heating, Cooling & Power Handbook; Technologies and Applications, The Fairmont Press, Inc., Lilburn, GA (2003) (23 pages).17Press, W. H., et al; "Minimization or Maximization of Functions", Ch. 10, Numerical Recipes in Pascal Art of Scientific Computing; Cambridge Univ. Press, G.; Jan. 1, 1989; pp. 274-334 (61 pages).18Ravagnani, M.A.S.S., Silva, A.P., Arroyo, P.A., Constantino, A.A.; "Heat Exchanger Network Synthesis and Optimization Using Genetic Algorithm"; Applied Thermal Engineering 25; Jun. 20, 2004; pp. 1003-1017 (15 pages).19Saboo, Alok and Saboo, Mridul; "Optimization of CHP Systems Using Pinch Technology"; SRM University, Chennai India, date not known (20 pages).20Serna et al., "An Area Targeting Algorithm for the Synthesis of Heat Exchanger Networks", 59 Chem Eng. Sci. (2004), pp. 2517-2520 (4 pages).21Yeramsetty et al.. "Synthesis of Cost-Optimal Heat Exchanger Networks Using Differential Evolution". 32 Computers & Chem. Eng. (2008). pp. 1861-1876 (16 pages).* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS8311682 *Oct 5, 2010Nov 13, 2012Saudi Arabian Oil CompanySystems, program product, and methods for synthesizing heat exchanger networks that account for future higher levels of disturbances and uncertainty, and identifying optimal topology for future retrofitUS20110054715 *Oct 5, 2010Mar 3, 2011Saudi Arabian Oil CompanySystems, Program Product, and Methods For Synthesizing Heat Exchanger Networks That Account For Future Higher Levels of Disturbances and Uncertainty, and Identifying Optimal Topology For Future Retrofit* Cited by examinerClassifications U.S. Classification700/299, 700/300, 165/279, 165/203, 165/101International ClassificationG06F19/00Cooperative ClassificationG06F17/5009, G05B13/021, F01K13/02, G06Q10/06313, G05B15/02European ClassificationG05B13/02A1, F01K13/02, G05B15/02, G06Q10/06313Legal EventsDateCodeEventDescriptionMar 9, 2011ASAssignmentFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NOURELDIN, MAHMOUD BAHY;REEL/FRAME:025924/0869Owner name: SAUDI ARABIAN OIL COMPANY, SAUDI ARABIAEffective date: 20110302RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google