CN107407164A - Passive alternating current generator decompression and cooling system - Google Patents
Passive alternating current generator decompression and cooling system Download PDFInfo
- Publication number
- CN107407164A CN107407164A CN201580074692.7A CN201580074692A CN107407164A CN 107407164 A CN107407164 A CN 107407164A CN 201580074692 A CN201580074692 A CN 201580074692A CN 107407164 A CN107407164 A CN 107407164A
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- China
- Prior art keywords
- control cabinet
- working fluid
- alternating current
- current generator
- transfer conduit
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
- F01K13/025—Cooling the interior by injection during idling or stand-by
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/005—Adaptations for refrigeration plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K21/00—Steam engine plants not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K21/00—Steam engine plants not otherwise provided for
- F01K21/02—Steam engine plants not otherwise provided for with steam-generation in engine-cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
- F01K23/103—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle with afterburner in exhaust boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/103—Carbon dioxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
- F01D25/125—Cooling of bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Abstract
A kind of depressurized system, can include the alternating current generator with housing and rotor, and the rotor fixed position is into being at least partly in the cavity limited by the housing.Depressurized system can also include quality control system, and the quality control system includes control cabinet, and the control cabinet is configured to keep case pressure less than the chamber pressure in the cavity of alternating current generator, so as to form pressure differential.First transfer conduit can make working fluid be transferred to control cabinet from the cavity of alternating current generator by pressure differential.Quality control system can be positioned at the height above alternating current generator, and the refrigerating circuit for the working fluid being contained in including being configured to cooling in control cabinet.Second transfer conduit can fluidly couple alternating current generator and quality control system, and cooled working fluid can be made to be transferred to cavity from control cabinet by gravity.
Description
This application claims the rights and interests for the U.S. Provisional Application No.62/093,544 for being filed on December 18th, 2015.With
In the consistent degree of the application, this application is incorporated herein by reference.
Background technology
Used heat produces usually as the byproduct of industrial process, in industrial processes, liquid, gas or the fluid of high temperature
Flowing stream must be discharged in environment or remove in some manner, to keep the operation temperature of industrial process equipment.Some
During industrial process used heat capture and will be recovered to using heat exchanger device.However, for using high temperature, matter
Amount underfed or the industrial process for including other unfavorable conditions, the capture and recovery of used heat are typically infeasible.
Used heat can be converted into available energy by using the various heat engine systems of thermodynamics method (for example, rankine cycle)
Amount.Rankine cycle and similar thermodynamics method are normally based on the process of steam, and it, which is reclaimed and produced using used heat, is used for
Drive the steam of turbine or other types of expansion gear.Then, turbine is connected to the generator of such as alternating current generator,
Generator is used to supply to the electric bus or power network (for example, AC bus) generally with the load changed over time or demand
Electricity.
(such as, such as peak demand) in some cases, alternating current generator and its associated components are (for example, rotor, stator
And bearing) can be easy to overheat.In order to eliminate or reduce this overheat, used method included by using air blower or
Blower fan makes gas or fluid circulation cool down alternating current generator by external heat exchanger and then by alternating current generator.However,
Extra-pay, increase would generally be caused using these cooling-parts (for example, air blower/blower fan, heat exchanger, pipeline and valve)
Installation and maintenance time and produce bigger floor space.
Alternator can also be prone to the excessive pressurization of alternating current generator cavity, when extra from expansion gear
When working fluid leaks through bearing and the sealing of the rotor of encapsulating alternating current generator, then it can occur excessively to pressurize.Alternative electric generation
The excessive pressurization of machine typically results in efficiency reduction, and alternating current generator can be caused to completely close in some cases.
The content of the invention
Then, it is necessary to which a kind of system for heat engine system, it effectively cools down alternating current generator and had as needed
Effect ground reduces the pressure in alternating current generator.
In one embodiment, depressurized system can include alternating current generator.Alternating current generator can include housing and turn
Son, the rotor fixed position is into being at least partly in the cavity limited by the housing.Depressurized system can also include quality
(mass) management system, the quality control system have control cabinet, and the control cabinet is configured to keep case pressure to be less than alternative electric generation
Chamber pressure in the cavity of machine, so as to form pressure differential between them.First transfer conduit can be configured to make workflow
Body is transferred to control cabinet by pressure differential from the cavity of alternating current generator.
In another embodiment, cooling system can include the alternating current generator with housing and rotor, and the rotor is determined
Position is into being at least partly in the cavity that is limited by the housing.Cooling system can also include quality control system, the quality
Management system has control cabinet, and the control cabinet is configured to be positioned at the height above alternating current generator.Control cabinet can include
Refrigerating circuit, the refrigerating circuit are configured to the working fluid that cooling is contained in control cabinet.Cooling system can be included fluidly
Couple the first transfer conduit of alternating current generator and quality control system, and the first transfer conduit can be configured to make workflow
Body is transferred to control cabinet from cavity.Cooling system can also include fluidly coupling the of alternating current generator and quality control system
Two transfer conduits, and the second transfer conduit can be configured to make cooled working fluid be transferred to from control cabinet by gravity
Cavity.
In another embodiment, heat engine system can include the expansion gear being in operating fluid loop, and swollen
Swollen device can be configured to receive working fluid under high pressure at expansion device inlet.Expansion gear can be exported and is in
Working fluid under low pressure, and the pressure drop in working fluid is further converted into mechanical energy.Heat engine system can include stream
It is connected to the alternating current generator of expansion gear body.Alternating current generator can convert mechanical energy into electric energy, and including housing
With the rotor for being positioned to be at least partly in the cavity that limits in the housing.The cavity of alternating current generator can also configure
Into the part for receiving the working fluid from expansion gear.Heat engine system can include quality control system, the quality management
System includes control cabinet, and the control cabinet is configured to keep case pressure to be substantially less than the chamber pressure in cavity, with them it
Between form pressure differential.First transfer conduit can be configured to make working fluid shift from the cavity of alternating current generator by pressure differential
To control cabinet.Heat engine system can include pump, and the pump is fluidly coupled to expansion gear and is configured to receive be under low pressure
Working fluid and export working fluid under high pressure.Heat exchanger can be fluidly coupled to pump and be configured to heat
Leave the working fluid of pump.Heat engine system can also include the waste heat exchanger for being fluidly coupled to heat exchanger.Waste heat exchanger
It can be configured to after working fluid leaves heat exchanger and entering the heated working fluid that takes a step forward of expansion gear.
Brief description of the drawings
When being read together with accompanying drawing, the disclosure can be best understood from following detailed description.It is emphasized that root
According to the standard practices in industry, various features are not drawn proportionally.In fact, it is clear for discussion, can be arbitrarily
Increase or decrease the size of various features.
Fig. 1 depicts to be included for being depressurized to alternating current generator according to one or more embodiments disclosed herein
With the exemplary heat engine system of the system of cooling.
Fig. 2 depict according to one or more embodiments disclosed herein be used for alternating current generator carry out decompression and it is cold
But example system.
Fig. 3 is the pressure change in alternating current generator according to the description of one or more embodiments disclosed herein
Fluid friction is lost and the figure of refrigeration work(.
Embodiment
It should be appreciated that following disclosure describe different characteristic, the several examples of structure or function for realizing the present invention
Property embodiment.Part, arrangement and the exemplary embodiment of configuration are described below to simplify the disclosure；However, these exemplary realities
Apply example only to provide as example, it is no intended to limit the scope of the present invention.In addition, the disclosure can provided herein is each show
Repeat reference numerals and/or letter in example property embodiment and each accompanying drawing.The repetition is for purposes of simplicity and clarity, in itself
The relation being not offered as between each exemplary embodiment for being discussed in each accompanying drawing and/or configuration.In addition, in following description
In, on second feature or upper formation fisrt feature can be formed as directly contacting including wherein fisrt feature and second feature
Embodiment, and the supplementary features that can wherein be formed between fisrt feature and second feature can also be included and caused
The embodiment that fisrt feature and second feature can be not directly contacted with.Finally, exemplary embodiment presented below can with appoint
Where the combination of formula is combined, i.e. without departing from the scope of the disclosure, any from exemplary embodiment
Element can use in any other exemplary embodiment.
In addition, refer to particular elements using some terms in the following description and claims.Such as people in the art
What member will be understood that, various entities can refer to identical part by different titles, and therefore, element as described herein
Naming convention be not intended to limitation the scope of the present invention, unless being specifically defined otherwise herein.In addition, naming convention used herein
It is not intended to and distinguishes that title is different and non-functional different part.In addition, in following discussion and claim, term " comprising "
Used in an open-ended fashion with " comprising ", and therefore should be construed as to imply that " including but is not limited to ".Institute in the disclosure
It can be exact value or approximation to have numerical value, unless otherwise expressly specified.Therefore, in the case where not departing from desired extent, this
Disclosed various embodiments can deviate numeral, value and scope disclosed herein.It is also understood that binding number as used herein
The term " about " of word refers to the value in numeral +/- 5% (containing), the value in numeral +/- 10% (containing) or the numeral +/- 15%
Value in (containing).It is also understood that when number range is disclosed herein, it is also specifically disclosed that falling any number within the range
Value.In addition, when in claim or specification in use, term "or" is intended to two kinds of situations of exclusiveness and pardon,
That is, " A or B " be intended to it is synonymous with " at least one in A and B ", unless clear stipulaties otherwise herein.
Embodiment of the disclosure is generally provided for cooling down the pressure in alternating current generator and/or reduction alternating current generator
The system of power.One or more other embodiments of the present disclosure are additionally provided including for cooling down alternating current generator and/or reducing exchange
The heat engine system of the system of pressure in generator.
Fig. 1 shows the heat engine system 10 for including the system 100 for heating and cooling down alternating current generator 105.Such as at this
As described in one or more embodiments of text, heat engine system 10 is also referred to as heat engine system, electricity generation system, given up
Hot or other heat recovery systems, and/or thermoelectric energy converting system.Heat engine system 10 can include via operating fluid loop
202 are coupled to each other and the waste heat system of thermal communication with one another 12 and electricity generation system 220.Operating fluid loop 202 can accommodate work
Make fluid (for example, supercritical CO2(sc-CO2)), and can have high-pressure side and low-pressure side, they will be described herein.Heat
Source stream 11 can flow through the heat exchanger 20 and 30 being arranged in waste heat system 12.Each in heat exchanger 20 and 30
Independently can fluidly couple with the high-pressure side of operating fluid loop 202 with thermal communication, be configured to heat source stream 11 fluidly
Connection and thermal communication and it is configured to the work being delivered to heat energy from heat source stream 11 in the high-pressure side of operating fluid loop 202
Fluid.Heat energy can be absorbed by the working fluid in operating fluid loop 202, and by making heated working-fluid flow
Mechanical energy is converted into by one or more expanding machines or turbine.
Heat engine system 10 can also include being arranged in operating fluid loop 202 and in the low of operating fluid loop 202
At least one pump fluidly coupled between pressure side and high-pressure side, for example, turbine pump 260.Turbine pump 260 can be configured to make work
Make fluid to circulate and pressurize in whole operating fluid loop 202.Turbine pump 260 can include the pump coupled with turbine 264
Part 262.The low-pressure side of operating fluid loop 202 extends to the pump portion 262 of turbine pump 260 from the outlet of turbine 264
Entrance.The high-pressure side of operating fluid loop 202 extends to the outlet of turbine 264 from the entrance of pump portion 262.
The turbine 264 of turbine pump 260 can heat exchanger 20 downstream fluid be connected to operating fluid loop
202, and the pump portion 262 of turbine pump 260 can heat exchanger 20 upstream fluid be connected to operating fluid loop
202.In one embodiment, multiple heat exchangers that turbine 264 may be in operating fluid loop 202 are (for example, heat is handed over
Parallel operation 20 and downstream 30).In one example, turbine 264 can be configured to receive through over-heat-exchanger 20 and be inhaled from it
Receive the working fluid of heat energy and driven by the working fluid.In one example, turbine 264 can be configured to receive warp
Cross more than one heat exchanger (for example, heat exchanger 20 and 30) and absorb the working fluid of heat energy and by the work from it
Make fluid driving.Turbine pump 260 can also include the drive shaft 267 being connected between turbine 264 and pump portion 262.
Turbine 264 can fluidly couple with working fluid and thermal communication, and is configured to by being returned in working fluid
The pressure drop of the working fluid flowed between the high-pressure side on road 202 and low-pressure side converts thermal energy into mechanical energy.Alternating current generator 105
Turbine 264 can be connected to and be configured to convert mechanical energy into electric energy.Power outlet can be electrically coupled to alternative electric generation
Machine 105 and it is configured to electric energy being delivered to power network from alternating current generator 105.Electricity generation system 220 can also include being connected in whirlpool
Drive shaft 230 between turbine 264 and alternating current generator 105.In one embodiment, drive shaft 267 can be with drive shaft 230
Integrally, or can be single drive shaft.Electricity generation system 220, which can also be included substantially surrounded by or encapsulated, is arranged on generating
The bear box 238 of bearing in system 220.
The example arrangement of bear box 238 completely or substantially can surround or encapsulate bearing and turbine, generating
Machine, pump, drive shaft or for heat engine system 10 show or unshowned other parts in all parts or section components.Bearing
Housing 238 can completely or partially include structure, chamber, shell, housing, for example, turbine cylinder, generator housing, drive
Moving axis housing, the drive shaft comprising bearing, case of transmission, its derivative or its combination.Fig. 1 shows receiving electricity generation system
220 turbine 264, alternating current generator 105, drive shaft 230 and 267 and all parts or portions in pump portion 262
The bear box 238 of part.In some instances, the housing of turbine 264 can be connected to bear box 238 and/or form it
A part.
Fig. 2 illustrates in greater detail alternating current generator 105, and also show for subtracting to alternating current generator 105
Pressure and the system 100 of cooling.Alternating current generator 105 can include the housing 110 for limiting cavity 115, and rotor 125 is positioned at least
It is partially in the housing, and is configured to rotate at a high speed.Rotor 125 can be integral with drive shaft 230 or 267, or
Rotor 125 can form single drive shaft relative to drive shaft 230 and/or 267.In one embodiment, rotor 125 can be with
With the rotating speed between about 20,000RPM and about 40,000RPM.Cavity 115 can accommodate working fluid, in an implementation
In example, working fluid can be carbon dioxide or including carbon dioxide.In addition, in one embodiment, working fluid can be
Carbon dioxide, and at least a portion of working fluid may be at supercriticality.However, it is contemplated that including but not limited to ammonia
With other working fluids of work in combination fluid.Working fluid in cavity 115 can be by one end of alternating current generator 105
Place is positioned at the axle envelope 120 between rotor 125 and housing 110 and is accommodated in alternating current generator 105.Axle envelope 120 can be
Labyrinth, double seal, dynamic pressure balanced seal part, dry gas seal or be configured to reduce enter or from
Open any other sealing mechanism of the leakage stream of the working fluid of housing 110.
System 100 for alternating current generator 105 to be depressurized and cooled down can include quality control system 150, should
Quality control system is configured to control the pressure and temperature in the cavity 115 of alternating current generator 105.Discuss in greater detail below
, quality control system 150 can include control cabinet 155, and the control cabinet, which is configured to receive and stored, comes from alternating current generator 105
Working fluid and working fluid is assigned to alternating current generator 105 in addition.Control cabinet 155 may remain in relatively low pressure
Under power, such as, e.g., from about 0.5MPa to about 2MPa.
Quality control system 150 can include being positioned to the closure refrigerating circuit being at least partly in control cabinet 155
160, to keep the low pressure of the working fluid in control cabinet 155.Refrigerating circuit 160 can include cold fluid source 161, and it can be with
It is water, seawater, nitrogen or any other fluid in control cabinet 155 can be flowed via a conduit.Cooled fluid can flow
The dynamic fluid being cooled by condenser 116 with further condensation.After the cooled fluid of condensation, cooled fluid can
To flow through heat exchanger 163, wherein, heat is delivered to cooled fluid from working fluid, and wherein, fluid flows into
Compressor 164 and flow out to cooled fluid source.Therefore closure refrigerating circuit 160 can cool down is contained in control cabinet 155
Interior working fluid.The pressure of control cabinet 155 can be less than the pressure in alternating current generator 105, the pressure in alternating current generator
Such as can be in about 0.5MPa to about 11MPa or so.In one embodiment, control cabinet 155 can be positioned at alternating current generator
At the height of 105 tops.
System 100 can include the first transfer conduit for fluidly coupling alternating current generator 105 and quality control system 150
130, so as to form first fluid passage between them.More specifically, the first transfer conduit 130 can be by alternating current generator
105 cavity 115 and control cabinet 155 fluidly couples.In one embodiment, the first transfer conduit 130 can be sent out in exchange
First fluid passage is provided between the bottom of motor 105 and the top of control cabinet 155.
First transfer conduit 130 can include valve 135, and the valve is positioned between alternating current generator 105 and control cabinet 155
In first fluid passage, and it is configured to control the flow of fluid between them.Therefore, valve 135 can be to alternating current generator 105
The flowing of working fluid between control cabinet 155 is prevented or throttled.In one embodiment, valve 135 can be non-return
Valve, to prevent working fluid from flowing to alternating current generator 105 via the first transfer conduit 130 from control cabinet 155.System 100 is also
Heat exchanger 140 can be included, the heat exchanger fluidly couples with the first transfer conduit 130, and is configured in workflow
Body cools down the working fluid that control cabinet 155 is moved to from alternating current generator 105 before entering control cabinet 155, to reduce closure
The cooling load of refrigerating circuit 160.
As it was previously stated, control cabinet 155 may remain under the pressure lower than the cavity 115 of alternating current generator 105.Cause
This, working fluid can flow to control cabinet 155 from alternating current generator 105 based on positive differential pressure by the first transfer conduit 130.This
Kind flowing can be passive, or, in other words, without the help of pump or other similar devices.In addition, positive differential pressure can be permitted
Perhaps working fluid is transferred to control cabinet 155 to optimize the operation of alternating current generator 105 from alternating current generator 105.For example, cavity
Pressure in 115 can be leaked into cavity 115 to increase from turbine 264 with working fluid by axle envelope 120.Such as Fig. 3
Shown in, the power attenuation that Fluid pressure in cavity 115 is higher to be caused in alternating current generator 105 is bigger.However, in this paper institutes
In the embodiment for the system 100 stated, when working fluid is leaked by the axle envelope 120 of turbine 264 and is entered in cavity 115,
Working fluid can based on the pressure differential between cavity 115 and control cabinet 155 from alternating current generator 105 via the first transfer conduit
130 flow to control cabinet 155, to prevent extra power attenuation.In one embodiment, from cavity 115 to control cabinet 155
The flow of working fluid can be about 600 Grams Per Seconds.Among other factors, flow can depend on working fluid from turbine
Machine 264 arrives the leak rate of alternating current generator 105.
System 100 also includes fluidly connection quality management system 150 and the second transfer conduit of alternating current generator 105
165.More specifically, the second transfer conduit 165 can fluidly join the cavity 115 of control cabinet 155 and alternating current generator 105
Connect, to form second fluid passage between them.In one embodiment, the second transfer conduit 165 can be in control cabinet 155
Bottom and alternating current generator 105 top between formed second fluid passage.Second transfer conduit 165 can include valve 170,
The valve is positioned in the second fluid passage between control cabinet 155 and alternating current generator 105, and is configured to control between them
Flow of fluid.Therefore, valve 170 can be hindered the flowing of the working fluid between control cabinet 155 and alternating current generator 105
Only or throttle.In one embodiment, valve 170 can be check-valves, to prevent fluid from alternating current generator 105 via second turn
Move conduit 165 and flow to control cabinet 155.
As discussed above, control cabinet 155 can be positioned at the height of the top of alternating current generator 105 so that work
Fluid can be supplied to the cavity 115 of alternating current generator 105 from control cabinet 155 via the second transfer conduit 165 by gravity.
In one embodiment, working fluid can leave control cabinet 155 with the flow of about 500 Grams Per Seconds.In other embodiments, leave
The flow of the working fluid of control cabinet 155 can be with greater or lesser, among other factors, and this is depended in cavity 115
The height of flow resistance (windage) and control cabinet 155 above alternating current generator 105.Further, since the work in control cabinet 155
Fluid can be cooled down by refrigerating circuit 160, so the working fluid that alternating current generator 105 is flow to from control cabinet 155 can be with cold
But alternating current generator 105, the alternating current generator can be by the rotation institutes by rotor 125 in the cavity 115 of alternating current generator 105
Caused fluid friction (flow resistance) heating.Because control cabinet 155 can be in the height located vertically above above alternating current generator 105
At degree, the cooling of alternating current generator 105 can be realized in passive manner.
System 100 can also include return-flow catheter 175, and the return-flow catheter is between control cabinet 155 and alternating current generator 105
Position 185 at fluidly couple with the second transfer conduit 115.Return-flow catheter 175 can be configured to make working fluid from second
Transfer conduit 165 is transferred to heat engine system 10.Shifting pump 180 can fluidly couple with return-flow catheter 175, and be configured to lead to
Cross and working fluid is transferred to heat engine system 10 to keep phase in heat engine system 10 with certain flow from quality control system 150
To the quality of constant basis, certain flow enters alternating current generator relatively equivalent to from heat engine system 10 by axle envelope 120
The flow of 105 working fluid.In one embodiment, it can be about 100 by the flow of the working fluid of return-flow catheter 175
Grams Per Second.In other embodiments, by the flow of the working fluid of return-flow catheter 175 can with greater or lesser, except it is other because
Outside element, this depends on working fluid from turbine 264 to the leak rate of alternating current generator 105.
In operation, the rotor 125 that can be driven by turbine 264 can be at least partially filled with working fluid
Rotated in cavity 115 with (for example, about 20,000RPM to about 40,000RPM) at a high speed.In operation, as rotor 125 rotates,
Working fluid can be leaked and entered in cavity 115 by axle envelope 120 from the turbine 264 of heat engine system 10.Into cavity
115 extra work fluid can cause the increase of pressure in cavity 115.In addition, the rotation of rotor 125 can cause flow resistance or
Cause the fluid friction of heating.As shown in Figure 3, the power attenuation in alternating current generator 105 is with the fluid pressure of cavity 115
Increase causes flow resistance and increased.Therefore, if rotor 125 continues in the internal rotation of cavity 115 and without intervening, alternative electric generation
Temperature in machine 105 will increase, and this can cause to overheat.However, provided herein is system 100 in, when working fluid leak
During into cavity 115, working fluid can be based on the pressure difference between cavity 115 and control cabinet 155 via the first transfer conduit 130
Control cabinet 155 is flow to from alternating current generator 105.
Working fluid in control cabinet 155 can be cooled down via refrigerating circuit 160 by quality control system 150.Due to control
Case 155 processed can be positioned at the height of the top of alternating current generator 105, so cooled working fluid can be passed through by gravity
Alternating current generator 105 is transferred to by the second transfer conduit 165, so as to cool down alternating current generator 105.In addition, when working fluid leads to
When crossing axle envelope 120 and leaking and be added to system 100, as working fluid flows out from control cabinet 155, working fluid can be via returning
Conductance pipe 175 and shifting pump 180 return to heat engine system 10.
Return to the heat engine system 10 shown in Fig. 1, heat engine system 10 can also include at least one heat exchanger 216, its with
Operating fluid loop fluidly couples and heat is operationally transmitted between the high-pressure side of operating fluid loop 202 and low-pressure side
Energy.In some instances, heat exchanger 216 can be configured to heat energy being delivered to high-pressure side from low-pressure side.Heat engine system 10 may be used also
With including cooler 274, its working fluid thermal communication accommodated in low-pressure side with operating fluid loop 202 and be configured to from
Working fluid in low-pressure side removes heat energy.In some instances, cooler 274 can be condenser, its be configured to pass through by
Heat energy is delivered to the cooling circuit outside operating fluid loop 202 to control operating fluid loop from the working fluid in low-pressure side
The temperature of working fluid in 202 low-pressure side.
In one embodiment, cooler 274 can circulate the cooling agent from cooling circuit 200, be accommodated with cooling down
Working fluid in the low-pressure side of operating fluid loop 202.In one embodiment, the cold of cooling circuit 200 is cycled through
But agent can be water, for example, fresh water.Pump 210 can be arranged in cooling circuit 200, cooled back with circulating the coolant through
Road 200.Cooler 215 can also be arranged in cooling circuit 200, to transmit from the cooling for being moved through cooling circuit 200
The heat energy of agent.In one embodiment, cooler 215 can make seawater circulation that heat energy is delivered into seawater from cooling agent.Example
Such as, seawater can enter cooler 215 via suction line 212, and seawater can leave cooler via outlet line 214
215。
Heat engine system 10 can also include another quality control system for being fluidly coupled to operating fluid loop 202
(MMS)270.MIM 270 can include quality control case 286, and it is fluidly coupled to the low-pressure side of operating fluid loop 202 simultaneously
And it is configured to receive, store and deliver working fluid.Quality control case 286 and operating fluid loop 202 can share workflow
Body (for example, carbon dioxide) so that quality control case 286 can be received during the various operating procedures of heat engine system 10, stored up
Deposit and share out the work fluid.In one embodiment, quality control case 286 can receive additionally via feeding line entrance 288
Working fluid.
MMS 270 can include storage reflux pipeline 72, and it is fluidly coupled to quality control case 286 and working fluid returns
Between the low-pressure side on road 202, for example, positioned at the downstream of condenser 274.As shown in fig. 1, fluid line 68 can be with condenser
274 outlet fluidly couples and from its extension, and stores reflux pipeline 72 and can be fluidly coupled to fluid line 68
And extend to quality control case 286 from it.MMS 270 can also include pump 70, and it is fluidly coupled to quality control case 286
And it is configured to that working fluid is transferred into operating fluid loop 202 from quality control case 286 by storing supply line 82
Low-pressure side.Therefore, MMS270 can receive the working fluid from operating fluid loop 202, storage working fluid for follow-up
Using and by process fluid delivery into operating fluid loop 202.
It is contemplated that the quality control system 270 being used together for the pump portion 282 with heat engine system 10 can with such as
Being used for described in upper is combined with the quality control system 150 that alternating current generator 105 is used together.To this extent, heat engine
Being used for of system 10 is used to send out with exchange with quality control case 286 that pump portion 282 is used together and quality control system 150
The control cabinet 155 that motor 105 is used together can be combined into single case.Single case can control working fluid relative to heat engine system
The high-pressure side of system 10, the low-pressure side of heat engine system 10 and/or the addition and/or removal of alternating current generator cavity 115.
The feature of several embodiments is above outlined so that this public affairs may be better understood in those skilled in the art
Open.It will be appreciated by those skilled in the art that the disclosure easily can be used as designing or change other processes and knot by they
The basis of structure, to carry out identical purpose and/or to realize the same advantage of embodiments described herein.Those skilled in the art are also
It should be appreciated that these equivalent constructions do not depart from spirit and scope of the present disclosure, and the spirit and model of the disclosure are not being departed from
In the case of enclosing, they can carry out various changes, replacement and change.
Claims (20)
1. a kind of depressurized system, including：
Alternating current generator, the alternating current generator include housing and rotor, and the rotor fixed position is into being at least partly at by the housing
In the cavity of restriction；
Quality control system, the quality control system include control cabinet, and the control cabinet is configured to keep case pressure less than in cavity
Chamber pressure, to form pressure differential between control cabinet and cavity；With
First transfer conduit, first transfer conduit are configured to make working fluid by pressure differential from the cavity of alternating current generator turn
Move on to control cabinet.
2. depressurized system according to claim 1, in addition to the second transfer conduit, second transfer conduit is configured to make work
Make fluid and be transferred to cavity from control cabinet.
3. depressurized system according to claim 1, wherein, control cabinet includes closure refrigerating circuit, the closure refrigerating circuit
It is configured to cooling work fluid.
4. depressurized system according to claim 1, in addition to heat exchanger, the heat exchanger arrangement is entered into working fluid
Enter cooling work fluid before control cabinet.
5. depressurized system according to claim 2, in addition to：
First valve, first valve are configured to the flowing for the working fluid that control passes through the first transfer conduit；With
Second valve, second valve are configured to the flowing for the working fluid that control passes through the second transfer conduit.
6. depressurized system according to claim 2, in addition to：
Return-flow catheter, the return-flow catheter fluidly couple with the second transfer conduit between control cabinet and alternating current generator；With
Pump, the pump fluidly couple with return-flow catheter and are configured to working fluid being transferred out of depressurized system.
7. depressurized system according to claim 1, wherein, control cabinet be configured to keep between about 0.5MPa and about 2MPa it
Between case pressure.
8. depressurized system according to claim 7, wherein, cavity is configured to keep chamber pressure between about 0.5MPa peace treaties
Between 11MPa.
9. a kind of cooling system, including：
Alternating current generator, the alternating current generator include housing and rotor, and the rotor fixed position is into being at least partly at by the housing
In the cavity of restriction；
Quality control system, the quality control system include control cabinet, and the control cabinet is configured to be positioned above alternating current generator
Height at, the control cabinet includes refrigerating circuit, and the refrigerating circuit is configured to the working fluid that cooling is contained in control cabinet；
Alternating current generator and quality control system are fluidly coupled and are configured to by the first transfer conduit, first transfer conduit
Working fluid is set to be transferred to control cabinet from cavity；With
Alternating current generator and quality control system are fluidly coupled and are configured to by the second transfer conduit, second transfer conduit
Cooled working fluid is set to be transferred to cavity from control cabinet by gravity.
10. cooling system according to claim 9, wherein, refrigerating circuit closure.
11. cooling system according to claim 9, in addition to heat exchanger, the heat exchanger and the first transfer conduit stream
Couple body and be configured to the cooling work fluid before working fluid enters control cabinet.
12. cooling system according to claim 9, wherein, control cabinet is configured to keep case pressure to be substantially less than exchange
Chamber pressure in the cavity of generator.
13. cooling system according to claim 9, in addition to：
Return-flow catheter, the return-flow catheter fluidly couple with the second transfer conduit between control cabinet and alternating current generator；With
Pump, the pump fluidly couple with return-flow catheter and are configured to working fluid being transferred out of depressurized system.
14. cooling system according to claim 9, wherein, working fluid includes carbon dioxide.
15. a kind of heat engine system, including：
Expansion gear, the expansion gear are in operating fluid loop, and the expansion gear is configured to connect at expansion device inlet
Receive working fluid under high pressure and export the working fluid being under low pressure, and wherein, the expansion gear is by work
Pressure drop in fluid is converted into mechanical energy；
Alternating current generator, the alternating current generator are fluidly coupled to expansion gear, and the alternating current generator converts mechanical energy into electricity
Can, the alternating current generator includes housing and rotor, and the rotor fixed position is into being at least partly at the cavity that is limited in the housing
In, the cavity is configured to receive a part for the working fluid from expansion gear；
Quality control system, the quality control system include control cabinet, and the control cabinet is configured to keep case pressure to be substantially less than
Chamber pressure in cavity, to form pressure differential between control cabinet and cavity；
First transfer conduit, first transfer conduit are configured to make working fluid be transferred to control cabinet from cavity by pressure differential；
Pump, the pump be fluidly coupled to expansion gear and be configured to receive be in low pressure under working fluid and output be in
Working fluid under high pressure；
Heat exchanger, the heat exchanger fluid it is connected to pump and is configured to the working fluid that pump is left in heating；With
Waste heat exchanger, the waste heat exchanger be fluidly coupled to heat exchanger and be configured to working fluid leave heat exchanger it
Afterwards and entering the heated working fluid that takes a step forward of expansion gear.
16. heat engine system according to claim 15, in addition to the second transfer conduit, second transfer conduit is configured to make
Working fluid is transferred to the cavity of alternating current generator from control cabinet.
17. system according to claim 16, in addition to：
Return-flow catheter, the return-flow catheter fluidly couple with the second transfer conduit between control cabinet and alternating current generator；With
Shifting pump, the shifting pump, which is configured to working fluid being transferred out of into operating fluid loop from control cabinet, is located at pump and expansion
Position between device.
18. system according to claim 17, wherein, cavity is configured to receive and worked with the part of leak rate leakage
Fluid, and shifting pump is configured to that working fluid is transferred into operating fluid loop to be substantially equal to the speed of the leak rate
In the position between pump and expansion gear.
19. system according to claim 17, wherein, quality control system includes：
3rd transfer conduit, the 3rd transfer conduit are configured to shift work between the position of control cabinet and expansion gear upstream
Fluid；With
4th transfer conduit, the 4th transfer conduit are configured to shift working fluid between the position of control cabinet and pump upstream.
20. system according to claim 17, in addition to the second quality control system, the second quality control system bag
Include：
Second control cabinet；
3rd transfer conduit, the 3rd transfer conduit are configured to shift between the position of the second control cabinet and expansion gear upstream
Working fluid；With
4th transfer conduit, the 4th transfer conduit are configured to shift workflow between the position of the second control cabinet and pump upstream
Body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462093544P | 2014-12-18 | 2014-12-18 | |
| US62/093,544 | 2014-12-18 | ||
| PCT/US2015/064212 WO2016099975A1 (en) | 2014-12-18 | 2015-12-07 | Passive alternator depressurization and cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107407164A true CN107407164A (en) | 2017-11-28 |
Family
ID=56127354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580074692.7A Pending CN107407164A (en) | 2014-12-18 | 2015-12-07 | Passive alternating current generator decompression and cooling system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170362963A1 (en) |
| KR (1) | KR20170128215A (en) |
| CN (1) | CN107407164A (en) |
| WO (1) | WO2016099975A1 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160028999A (en) | 2013-03-04 | 2016-03-14 | 에코진 파워 시스템스, 엘엘씨 | Heat engine systems with high net power supercritical carbon dioxide circuits |
| US10570777B2 (en) | 2014-11-03 | 2020-02-25 | Echogen Power Systems, Llc | Active thrust management of a turbopump within a supercritical working fluid circuit in a heat engine system |
| KR101868273B1 (en) * | 2017-03-28 | 2018-06-15 | 두산중공업 주식회사 | Control device for suppling of working fluid |
| US11187112B2 (en) | 2018-06-27 | 2021-11-30 | Echogen Power Systems Llc | Systems and methods for generating electricity via a pumped thermal energy storage system |
| CN110425011B (en) * | 2019-07-30 | 2022-03-08 | 西安热工研究院有限公司 | Optimal control method for shaft seal and door rod steam leakage system of power station steam turbine unit |
| US11435120B2 (en) | 2020-05-05 | 2022-09-06 | Echogen Power Systems (Delaware), Inc. | Split expansion heat pump cycle |
| EP4259907A1 (en) | 2020-12-09 | 2023-10-18 | Supercritical Storage Company, Inc. | Three reservoir electric thermal energy storage system |
| US11359576B1 (en) | 2021-04-02 | 2022-06-14 | Ice Thermal Harvesting, Llc | Systems and methods utilizing gas temperature as a power source |
| US20220316452A1 (en) | 2021-04-02 | 2022-10-06 | Ice Thermal Harvesting, Llc | Systems for generating geothermal power in an organic rankine cycle operation during hydrocarbon production based on working fluid temperature |
| US11480074B1 (en) | 2021-04-02 | 2022-10-25 | Ice Thermal Harvesting, Llc | Systems and methods utilizing gas temperature as a power source |
| US11421663B1 (en) | 2021-04-02 | 2022-08-23 | Ice Thermal Harvesting, Llc | Systems and methods for generation of electrical power in an organic Rankine cycle operation |
| US11493029B2 (en) | 2021-04-02 | 2022-11-08 | Ice Thermal Harvesting, Llc | Systems and methods for generation of electrical power at a drilling rig |
| US11644015B2 (en) | 2021-04-02 | 2023-05-09 | Ice Thermal Harvesting, Llc | Systems and methods for generation of electrical power at a drilling rig |
| US11293414B1 (en) | 2021-04-02 | 2022-04-05 | Ice Thermal Harvesting, Llc | Systems and methods for generation of electrical power in an organic rankine cycle operation |
| US11486370B2 (en) | 2021-04-02 | 2022-11-01 | Ice Thermal Harvesting, Llc | Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations |
| US11592009B2 (en) | 2021-04-02 | 2023-02-28 | Ice Thermal Harvesting, Llc | Systems and methods for generation of electrical power at a drilling rig |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245861A (en) * | 2008-12-15 | 2011-11-16 | 西门子公司 | Power plant comprising a turbine unit and a generator |
| US20120272648A1 (en) * | 2011-04-29 | 2012-11-01 | General Electric Company | Integrated generator cooling system |
| CN103069114A (en) * | 2010-08-09 | 2013-04-24 | 株式会社丰田自动织机 | Waste heat utilization apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445180A (en) * | 1973-11-06 | 1984-04-24 | Westinghouse Electric Corp. | Plant unit master control for fossil fired boiler implemented with a digital computer |
| US7730713B2 (en) * | 2003-07-24 | 2010-06-08 | Hitachi, Ltd. | Gas turbine power plant |
| US20060185366A1 (en) * | 2005-02-22 | 2006-08-24 | Siemens Aktiengesellschaft | Thermal power plant |
| JP5866819B2 (en) * | 2011-06-27 | 2016-02-24 | 株式会社Ihi | Waste heat generator |
| US9638065B2 (en) * | 2013-01-28 | 2017-05-02 | Echogen Power Systems, Llc | Methods for reducing wear on components of a heat engine system at startup |
| PT2954177T (en) * | 2013-02-05 | 2021-02-15 | Heat Source Energy Corp | Improved organic rankine cycle decompression heat engine |
-
2015
- 2015-12-07 CN CN201580074692.7A patent/CN107407164A/en active Pending
- 2015-12-07 US US15/536,404 patent/US20170362963A1/en not_active Abandoned
- 2015-12-07 WO PCT/US2015/064212 patent/WO2016099975A1/en active Application Filing
- 2015-12-07 KR KR1020177019716A patent/KR20170128215A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245861A (en) * | 2008-12-15 | 2011-11-16 | 西门子公司 | Power plant comprising a turbine unit and a generator |
| CN103069114A (en) * | 2010-08-09 | 2013-04-24 | 株式会社丰田自动织机 | Waste heat utilization apparatus |
| US20120272648A1 (en) * | 2011-04-29 | 2012-11-01 | General Electric Company | Integrated generator cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016099975A1 (en) | 2016-06-23 |
| KR20170128215A (en) | 2017-11-22 |
| US20170362963A1 (en) | 2017-12-21 |
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