CN102733857B - Exhaust power turbine, exhaust recycling system and running method of the exhaust recycling system - Google Patents
Exhaust power turbine, exhaust recycling system and running method of the exhaust recycling system Download PDFInfo
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- CN102733857B CN102733857B CN201210115097.1A CN201210115097A CN102733857B CN 102733857 B CN102733857 B CN 102733857B CN 201210115097 A CN201210115097 A CN 201210115097A CN 102733857 B CN102733857 B CN 102733857B
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- Prior art keywords
- exhaust
- turbine
- pressure
- waste
- gas inlet
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 title abstract 5
- 239000007789 gas Substances 0.000 claims description 78
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 55
- 239000003546 flue gas Substances 0.000 claims description 55
- 239000002912 waste gas Substances 0.000 claims description 47
- 239000002918 waste heat Substances 0.000 claims description 37
- 238000002485 combustion reaction Methods 0.000 claims description 36
- 238000011084 recovery Methods 0.000 claims description 36
- 239000002699 waste material Substances 0.000 claims description 24
- 238000013016 damping Methods 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 12
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
- F02B41/02—Engines with prolonged expansion
- F02B41/10—Engines with prolonged expansion in exhaust turbines
-
- 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
-
- 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
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using kinetic energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/001—Engines characterised by provision of pumps driven at least for part of the time by exhaust using exhaust drives arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1448—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an exhaust gas pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/60—Application making use of surplus or waste energy
- F05D2220/62—Application making use of surplus or waste energy with energy recovery turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/301—Pressure
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Supercharger (AREA)
- Control Of Turbines (AREA)
Abstract
The invention relates to an exhaust power turbine (20), an exhaust recycling system (1) and a method for running the exhaust recycling system. The exhaust power turbine comprises a turbine housing (21); a rotor (23) supported inside the turbine housing in a rotating way and having a plurality of turbine blades (23a); and guide blade grids (24) equipped inside the turbine housing for controlling the exhaust inflows of the turbine blades. The turbine housing comprises a plurality of exhaust inlet channels (22a, 22b) for guiding exhaust to the turbine blades through the guiding blade grids. The exhaust inlet channels are separated until reaching the guiding blade grids. Meanwhile, the inner side of each exhaust inlet channel is provided with a pressure sensor for measuring the pressures (PI,PII) of the exhaust inside the corresponding exhaust inlet channels. The exhaust power turbine provided in the invention can achieve an increase in the exhaust recycling efficiency and meanwhile prevent vibrations on the turbine blades in a multi-engine device.
Description
Technical field
The present invention relates to a kind of exhaust dynamics turbine (Abgasnutzturbine), be equipped with the Waste Heat Recovery System (WHRS) of this exhaust dynamics turbine (Abw rmer ü ckgewinnungssystem) and the method for making this Waste Heat Recovery System (WHRS) run.
Background technique
In multiple-motor equipment (Mehrmotorenanlage) (that is there is the equipment of multiple internal-combustion engine), implement each waste line (Abgasstrang) of internal-combustion engine in mode irrelevant each other in marine vessel applications, thus ensure, the method for operation of the fault in a waste line on other internal-combustion engine does not affect.
If should implement with using the WHR system (Waste-Heat-Recovery-waste heat recovery) of the steamturbine of used heat and exhaust dynamics turbine for multiple-motor equipment, then usual each internal-combustion engine arranges an exhaust dynamics turbine respectively.
But, multiple less exhaust dynamics turbine has the shortcoming of (compared with large exhaust dynamics turbine) and the more complicated configuration aspects (compared with the exhaust dynamics turbine of large slow running) at the driving mechanism with multiple quick operation in poor efficiency, on the other hand with higher loss and the loss by centralized driving mechanism (Sammelgetriebe).
If assembled (zusammenf ü hren) multiple exhaust gas bypass pipeline (Abgasbypass-Strang) before larger exhaust dynamics turbine or power turbine (Powerturbine), then when making internal combustion engine operation and exhaust gas pressure is different under different loads, in the corresponding waste gas system of internal-combustion engine, produce reaction (R ü ckwirkung) each other.
Summary of the invention
Therefore object of the present invention is, a kind of exhaust dynamics turbine being provided, being equipped with the Waste Heat Recovery System (WHRS) of this exhaust dynamics turbine and the method for making this Waste Heat Recovery System (WHRS) run, thus in multiple-motor equipment in the efficiency avoiding improving when can realize in waste heat recovery when causing vibration (Schwingungsinduzierung) at turbine blade place.
This utilization hereafter mentions that exhaust dynamics turbine, Waste Heat Recovery System (WHRS) and method realize.
According to a first aspect of the invention, provide a kind of for utilizing the exhaust dynamics turbine of engine exhaust gas in energy, wherein, exhaust dynamics turbine has: turbine case; Rotor, it to can be rotated to support in turbine case and has multiple turbine blade; The nozzle blade cascade (Leitgitter) be arranged in turbine case flows into (Abgasanstr mung) for the waste gas controlling turbine blade, wherein, turbine case has multiple flue gas inlet passageway (Abgaseinlasspassage) for being directed on turbine blade by nozzle blade cascade by waste gas, wherein, each flue gas inlet passageway is separated from one another until nozzle blade cascade, and in each flue gas inlet passageway, wherein, be furnished with pressure transducer for measuring the exhaust gas pressure in corresponding flue gas inlet passageway; And pressure balance device (Druckangleichmittel), it is connected with pressure transducer and it is set to, the corresponding exhaust gas pressure (PI, PII) in flue gas inlet passageway (22a, 22b) is balanced mutually.
Reliably avoid causing vibration at turbine blade place by pressure balance.Unique this exhaust dynamics turbine can be set thus for multiple-motor equipment, and thus can larger and implement this unique exhaust dynamics turbine with higher efficiency.
According to the form of implementation of exhaust dynamics turbine according to the present invention, turbine blade be configured to non-damping (unged mpft), in particular without (d mpferdrahtlos) turbine blade of damping wire rod.
In common turbine, apply damping wire rod for the vibration weakening independently (freistehend) turbine blade, wherein, carry out damping by the friction at the supporting portion place at wire rod.Damping wire rod can be guided through the hole in swirl vane.Because this hole is the weak part of turbine blade, usually therefrom there is broken vane, therefore in the region in hole, usually construct turbine blade in the mode thickeied.In any case the representative of damping wire rod is to the interference of the flowing around turbine blade profile and reduce the efficiency of turbine thus.
By be configured to according to turbine blade of the present invention non-damping, avoid this efficiency without the turbine blade of damping wire rod in particular and reduce.
According to another form of implementation of exhaust dynamics turbine according to the present invention, by being set to for regulating before the pressure regulator of the exhaust gas pressure in each flue gas inlet passageway is placed in each flue gas inlet passageway, mineralization pressure balancing device, wherein, corresponding pressure sensor is connected with turbine control gear with corresponding pressure regulator, and wherein, turbine control gear is set to, corresponding pressure regulator is manipulated based on the exhaust gas pressure recorded by each pressure transducer, to make the exhaust gas pressure in all waste gases inlet passage to be adjusted in consistent (einheitlich) theoretical pressure level.
According to a form of implementation again of exhaust dynamics turbine according to the present invention, the exhaust gas pressure adjusting deviation of each other≤1.0bar is utilized to preset this consistent theoretical pressure level.
According to another form of implementation again of exhaust dynamics turbine according to the present invention, each pressure regulator has throttling arrangement (Drosseleinrichtung) and carries out throttling (Drosseln) for the waste gas inlet flow (Abgaszustr mung) entering into each flue gas inlet passageway.
According to another form of implementation of exhaust dynamics turbine according to the present invention, alternatively or additionally, each pressure regulator has shunting device and is branched off into from waste gas inlet flow in each waste gas input channel for by waste gas.
According to a second aspect of the invention, provide a kind of Waste Heat Recovery System (WHRS), it is with multiple internal-combustion engine, and wherein each internal-combustion engine has independently waste line; And it is unique according in the form of implementation of a first aspect of the present invention described above, multiple or all with the exhaust dynamics turbine of the combination can imagined arbitrarily, wherein, the waste line of the first internal-combustion engine of internal-combustion engine is connected for importing waste gas with the first flue gas inlet passageway of the flue gas inlet passageway of exhaust dynamics turbine, and wherein, the waste line of the second internal-combustion engine of internal-combustion engine is connected for importing waste gas with the second flue gas inlet passageway of the flue gas inlet passageway of exhaust dynamics turbine.
Reliably avoid causing vibration at turbine blade place by pressure balance.By arranging unique exhaust dynamics turbine according to the present invention for Waste Heat Recovery System (WHRS), can larger and implement this unique exhaust dynamics turbine with higher efficiency.
According to the form of implementation of Waste Heat Recovery System (WHRS) according to the present invention, this Waste Heat Recovery System (WHRS) has in addition: steamturbine and the heat exchanger in each waste line, this heat exchanger is with being set to the elementary pipeline (Prim rstrang) that passes with guiding waste gas and being set to the secondary pipeline (Sekund rstrang) for providing steam, wherein, the secondary pipeline of each heat exchanger is connected with the steam input part of steamturbine.
According to another form of implementation of Waste Heat Recovery System (WHRS) according to the present invention, this Waste Heat Recovery System (WHRS) has generator in addition, wherein, the live axle of generator not only can with exhaust dynamics turbine introduce during rotary actuation is connected by the output shaft of the rotor rotary actuation of exhaust dynamics turbine, and can with steamturbine introduce during rotary actuation is connected by the output shaft of the rotor rotary actuation of steamturbine.
According to a third aspect of the invention we, there is provided a kind of for making one of the form of implementation according to a second aspect of the present invention described above, multiple or all methods run with the Waste Heat Recovery System (WHRS) of the combination can imagined arbitrarily, wherein, the method has step: measure the exhaust gas pressure in each flue gas inlet passageway of exhaust dynamics turbine, the exhaust gas pressure relatively recorded, and each exhaust gas pressure in flue gas inlet passageway is balanced mutually.
Reliably avoid causing vibration at turbine blade place by pressure balance.By arranging unique exhaust dynamics turbine according to the present invention in Waste Heat Recovery System (WHRS), can larger and implement this unique exhaust dynamics turbine with higher efficiency.
According to the form of implementation of method according to the present invention, the exhaust gas pressure relatively recorded has the minimum exhaust gas pressure of the exhaust gas pressure determining to record in addition, wherein, remaining exhaust gas pressure is defined as the exhaust gas pressure with elevated pressures, wherein, from minimum exhaust gas pressure, determining theoretical pressure level, and wherein, when making each exhaust gas pressure in flue gas inlet passageway balance each other, the exhaust gas pressure with elevated pressures being reduced to theoretical pressure level.
According to another form of implementation of method according to the present invention, the exhaust gas pressure adjusting deviation of each other≤1.0bar is utilized to regulate (einregeln) this consistent theoretical pressure level.
According to another form of implementation again of method according to the present invention, by carrying out throttling to the corresponding waste gas inlet flow entering into each flue gas inlet passageway, reduce the exhaust gas pressure of higher pressure.
According to a form of implementation again of method according to the present invention, alternatively or additionally, by making waste gas be branched off in each flue gas inlet passageway from each waste gas inlet flow, reduce the exhaust gas pressure with higher pressure.
The present invention extends in such form of implementation clearly, namely, by providing these forms of implementation from returning clearly to draw Feature Combination that claim obtains, to this, disclosed feature (as long as it is rational technically) of the present invention mutually can be combined arbitrarily.
Sum up ground, inventor recognizes, with multiple suction tude joint (Eintrittsstutzen), that is with the exhaust dynamics turbine of the eddy current case similar to pulse pressure-charging or power turbine as a solution, wherein, just mix waste gas stream and waste gas streams is unaffected thus after cascade of turbine nozzle blade (jet pipe ring), thus low-disturbance (R ü ckwirkungsfreiheit).
In addition, inventor recognizes, in pulse pressure-charging runs, the nonuniformity that turbine is carried by waste gas and stand higher vibrational excitation at its turbine blade place, therefore, must with damping wire rod or damper element and the firm turbine of poor thus efficiency.
Correspondingly, propose as solution inventor, in order to best efficiency, turbine blade is constructed in the mode not with damping wire rod, wherein, by carrying out throttling to the pressure in single exhaust steam passage or flue gas inlet passageway independently, reducing or overcoming the problem of vibrational excitation of the turbine blade caused by uneven loading, thus flue gas inlet passageway is run on stress level identical as far as possible and velocity level identical thus.
Such as, this is shown as the corresponding pressure in the supplying tube measured before eddy current and is regulated by throttling and/or bypass and regulates corresponding elevated pressures.Throttling runs and causes higher exhaust gas pressure, and this is conducive to joining internal-combustion engine and causes the better supercharging of internal-combustion engine, as long as maximum firing pressure allows like this.In bypass runs, waste heat in the offgas can be improved, and transformed in steamturbine.
Can obtain the WHR system at least two internal-combustion engines thus, it comprises steamturbine and exhaust dynamics turbine, and it is assemblied on the pipeline with such as generator jointly.In addition, can obtain with at least two input parts (identical with the quantity of internal-combustion engine) in order to the efficiency as well as possible exhaust dynamics turbine not with damping wire rod, two input parts should be linked together (zusammenschalten).In addition, can obtain the adjusting portion with pressure measurement and controlling mechanism, it ensures, exhaust gas pressure before the turbine respectively in similar level (such as adjusting deviation <=1.0 bar).
Accompanying drawing explanation
Also the present invention is described in detail with reference to accompanying drawing below according to preferred form of implementation.
Fig. 1 shows the catenation principle figure (Schaltbild) of the Waste Heat Recovery System (WHRS) of standard,
Fig. 2 shows the catenation principle figure of the Waste Heat Recovery System (WHRS) according to form of implementation of the present invention,
Fig. 3 shows the partial view of the perspective of the exhaust dynamics turbine according to form of implementation of the present invention,
Fig. 4 shows the part of the plane A place cutting in figure 3 of the turbine case of the exhaust dynamics turbine of Fig. 3 with the partial view of two perspectives,
Fig. 5 shows the view similar to Fig. 2, wherein, in order to better visibility eliminates the several elements according to Waste Heat Recovery System (WHRS) of the present invention.
List of reference characters
1,1' Waste Heat Recovery System (WHRS)
10,10' internal-combustion engine
15,15' waste line
16,16' waste gas discharge portion
20,20' exhaust dynamics turbine
21 turbine cases
22 turbines flow into case
22a, 22b flue gas inlet passageway
22c separates walls
23 rotors
23a (multiple) turbine blade
23b output shaft
24 nozzle blade cascades
24a discharge diffuser
25,25' heat exchanger
The elementary pipeline of 25a, 25a'
25b, 25b' level pipeline
30a, 30a' exhaust-gas turbocharger
30b, 30b' exhaust-gas turbocharger
50,50' internal-combustion engine
55,55' waste line
56,56' waste gas discharge portion
60' exhaust dynamics turbine
60a, 60b pressure regulator
61a, 61b control unit
62a, 62b valve
63a, 63b valve
65,65' heat exchanger
The elementary pipeline of 65a, 65a'
65b, 65b' level pipeline
70a, 70a' exhaust-gas turbocharger
70b, 70b' exhaust-gas turbocharger
75,75' steamturbine
75a output shaft
80,80' generator
81,81' live axle
85 driving mechanisms
The centralized driving mechanism of 85'
90,90' driving mechanism
100 turbine control gear
PI, PII exhaust gas pressure
A (cross section) plane.
Embodiment
Fig. 1 shows the catenation principle figure of the Waste Heat Recovery System (WHRS) 1' of the standard be combined in boats and ships (not completely shown and non-independent marking).
The Waste Heat Recovery System (WHRS) 1' of Fig. 1 has the first internal-combustion engine 10' and the second internal-combustion engine 50', and it is for driving boats and ships.
Each internal-combustion engine 10', 50' has: with corresponding waste gas discharge portion 16' or 56'(in this case flue) independently waste line 15' or 55'; Independently exhaust dynamics turbine or power turbine 20' or 60', it is connected to corresponding affiliated waste line 15' or 55' place, thus exhaust dynamics turbine 20', 60' are by the exhaust gas driven of its corresponding waste line 15' or 55'; Independently heat exchanger 25' and 65', it is attached in correspondingly affiliated waste line 15' or 55' for utilizing its elementary pipeline 25a' or 65a' to produce steam; And two exhaust-gas turbocharger 30a', 30b' or 70a', 70b'(is with corresponding exhaust gas turbine and corresponding compressor (non-independent marking)), its be connected to correspondingly belonging to waste line 15' or 55' sentence turbosupercharging for corresponding internal-combustion engine 10' or 50'.
In addition, the Waste Heat Recovery System (WHRS) 1' of Fig. 1 has steamturbine 75' and generator 80'.Steamturbine 75' is connected to heat exchanger 25', each place of corresponding secondary pipeline 25b' or 65b' of 65', thus the steam driven steamturbine 75' by being produced by heat exchanger 25', 65'.
Two exhaust dynamics turbine 20', 60' are connected with the live axle 81' rotary actuation ground carrying out mode (selectiv) and the generator 80' selected at outlet side by centralized driving mechanism 85'.Steamturbine 75' by driving mechanism 90' outlet side continuously with the live axle 81' rotary actuation of generator 80' be connected.
Now, referring to figs. 2 to 5, the Waste Heat Recovery System (WHRS) 1 be combined in boats and ships (not completely shown and non-independent marking) according to form of implementation of the present invention is described.
Waste Heat Recovery System (WHRS) 1 according to the present invention has the first internal-combustion engine 10 and the second internal-combustion engine 50, and it is for driving boats and ships.
Each internal-combustion engine 10,50 have: with multiple exhaust pipe (non-independent marking) and with the independently waste line 15 or 55 of corresponding waste gas discharge portion 16 or 56 (in this case flue); Independently heat exchanger 25 or 65, its be attached to correspondingly belonging to waste line 15 or 55 in for utilizing it to be set to, elementary pipeline 25a or 65a for guiding waste gas to pass is to produce steam; And two exhaust-gas turbocharger 30a, 30b or 70a, 70b (with corresponding exhaust gas turbine and corresponding compressor (non-independent marking)), its be connected to correspondingly belonging to waste line 15 or 55 sentence turbosupercharging for corresponding internal-combustion engine 10 or 50.
In addition, in order to utilize engine exhaust gas in energy, Waste Heat Recovery System (WHRS) 1 according to the present invention has exhaust dynamics turbine or power turbine 20, it is connected to two waste lines 15 by exhaust pipe, 55 places, thus by the exhaust gas driven exhaust dynamics turbine 20 of two waste lines 15,55.
As in particular can at Fig. 2, that finds out in 3 and 5 be such, and exhaust dynamics turbine 20 has: the turbine case 21 flowing into case 22 with turbine; Rotor 23 (only schematically and partly illustrate), its to can be rotated to support in turbine case 21 and have multiple non-damping, in particular without the turbine blade 23a of damping wire rod; The nozzle blade cascade 24 (or jet pipe ring) be arranged in turbine case 21 flows into for the waste gas controlling turbine blade 23a; And discharge diffuser (Auslassdiffusor) 24a discharges from exhaust dynamics turbine 20 for by waste gas.
The turbine of turbine case 21 flows into case 22 and has multiple flue gas inlet passageway for being directed on turbine blade 23a by nozzle blade cascade 24 by waste gas, and wherein, each flue gas inlet passageway is separated from one another until nozzle blade cascade 24.According to the form of implementation described in Fig. 2 to 5 of the present invention, the turbine of turbine case 21 flows into case 22 and has the first flue gas inlet passageway 22a and the second flue gas inlet passageway 22b, and it had directly nearby been separated from each other in flowing by separates walls 22c before nozzle blade cascade 24.Fig. 4 shows with the partial view of two perspectives the part being similar to " trousers (Hosenst ü ck) " and structure that turbine flows into the plane A place cutting in figure 3 of case 22 for this reason.
The waste line 15 of the first internal-combustion engine 10 is connected for importing waste gas with the first flue gas inlet passageway 22a of exhaust dynamics turbine 20.The waste line 55 of the second internal-combustion engine 50 is connected for importing waste gas with the second flue gas inlet passageway 22b of exhaust dynamics turbine.
Although do not demonstrate in Fig. 2 to 5, flue gas inlet passageway 22a, 22b each in be furnished with pressure transducer for measurement at each flue gas inlet passageway 22a, exhaust gas pressure PI or PII (see Fig. 2) in 22b.
Be set to that the pressure regulator 60a of exhaust gas pressure PI or PII in 22b, 60b are placed in each flue gas inlet passageway 22a, before 22b for regulating at each flue gas inlet passageway 22a.Control unit 61a or 61b and first that each pressure regulator 60a, 60b have an electronics preferably can (representing with " M ") valve 62a or 62b and second of manipulating preferably can electromechanics ground (representing with " M ") valve 63a or 63b of manipulating dynamo-electricly.First and second valve 62a, 63a or 62b, 63b are electrically connected for manipulation with control unit 61a or 61b belonging to it.
The first valve 62a of each pressure regulator 60a, 60b, 62b work as the throttling arrangement for carrying out throttling to the waste gas inlet flow entering into flue gas inlet passageway 22a or 22b be associated respectively.The second valve 63a of each pressure regulator 60a, 60b, 63b work as the shunting device be branched off into from waste gas inlet flow by waste gas in flue gas inlet passageway 22a or 22b that be associated respectively.
In addition, Waste Heat Recovery System (WHRS) 1 according to the present invention has the turbine control gear 100 of electronics, its be electrically connected for Received signal strength with each pressure transducer and with the control unit 61a of each pressure regulator 60a, 60b, 61b is connected for manipulation.Setting turbine control gear 100 like this, namely, it is based on the exhaust gas pressure PI recorded by each pressure transducer, PII manipulates the control unit 61a of corresponding pressure regulator, 61b, for will at all waste gases inlet passage 22a, the exhaust gas pressure PI in 22b, PII be adjusted in consistent theoretical pressure level.Preferably, this consistent theoretical pressure level is preset with the adjusting deviation of the exhaust gas pressure PI of each other≤0.2bar, PII.
As a result, pressure regulator 60a, 60b and turbine control gear 100 mineralization pressure balancing device, it is connected with pressure transducer and it is set to, makes at flue gas inlet passageway 22a, and the corresponding exhaust gas pressure PI in 22b, PII balances mutually.
In addition, Waste Heat Recovery System (WHRS) 1 according to the present invention has steamturbine 75 and generator 80.The steam input part (non-independent marking) of steamturbine 75 is connected to heat exchanger 25 by steam pipework (non-independent marking), each place being set to secondary pipeline 25b or 65b for providing steam accordingly of 65, thus the steam driven steamturbine 75 by being produced by two heat exchangers 25,65.
The live axle 81 of motor 80 is introduced with being connected by the rotary actuation of the output shaft 23b of rotor 23 rotary actuation of exhaust dynamics turbine 20 of exhaust dynamics turbine 20 by driving mechanism 85, and by being connected by the rotary actuation of the output shaft 75a of rotor (unmarked) rotary actuation of steamturbine 75 of driving mechanism 90 introducing and steamturbine 75.
In shown form of implementation, exhaust dynamics turbine 20 by driving mechanism 85 and clutch (unmarked) outlet side be connected with carrying out live axle 81 rotary actuation of mode and the generator 80 selected and steamturbine 75 by driving mechanism 90 outlet side continuously with live axle 81 rotary actuation of generator 80 be connected.
According to the method for making the Waste Heat Recovery System (WHRS) 1 described in Fig. 2 to 5 run according to the present invention, at least implement following steps:
-measure at each flue gas inlet passageway 22a by means of pressure transducer, the exhaust gas pressure PI in 22b, PII,
-in turbine control gear 100, compare the exhaust gas pressure PI recorded, PII, and
-make at flue gas inlet passageway 22a by pressure balance device, each exhaust gas pressure PI in 22b, PII balances each other.
According to the method, compare the exhaust gas pressure PI recorded, PII has the exhaust gas pressure PI determining to record in addition, the minimum exhaust gas pressure of PII, wherein, remaining exhaust gas pressure is defined as the exhaust gas pressure with elevated pressures, wherein, theoretical pressure level is determined from minimum exhaust gas pressure, and wherein, make at flue gas inlet passageway 22a, each exhaust gas pressure PI in 22b, by pressure regulator 60a, 60b, the exhaust gas pressure of elevated pressures is reduced to theoretical pressure level when PII balances each other.
According to the method, preferably utilize each other≤the exhaust gas pressure adjusting deviation of 0.2bar adjusts this consistent theoretical pressure level.
According to the method, preferably, by by means of partly closing relevant pressure regulator 60a, first valve 62a or 62b of 60b carries out throttling to the waste gas inlet flow entered with in (multiple) flue gas inlet passageway of elevated pressures, reduces the exhaust gas pressure with higher pressure.
Alternatively or additionally, according to the method, preferably, by by means of opening relevant pressure regulator 60a, waste gas is branched off into by second valve 63a or 63b of 60b from waste gas inlet flow to be had in (multiple) flue gas inlet passageway of elevated pressures, reduces the exhaust gas pressure with higher pressure.
According to the method, the engine loading that deviation each other can be utilized to be greater than 50% makes internal-combustion engine 10, and 50 run, wherein, however at internal-combustion engine 10,50 aspects ensure that the nothing of unique exhaust dynamics turbine 20 connect with generator feeds back the operation of (r ü ckkopplungsfrei).
Claims (14)
1. one kind for utilizing the exhaust dynamics turbine (20) of engine exhaust gas in energy, with: turbine case (21); With rotor (23), this rotor can be rotated to support in described turbine case (21) and this rotor has multiple turbine blade (23a); And the nozzle blade cascade (24) be arranged in described turbine case flows into for the waste gas controlling described turbine blade (23a),
Wherein, described turbine case (21) has multiple flue gas inlet passageway (22a, 22b) for by described nozzle blade cascade (24), waste gas being directed on described turbine blade (23a), wherein, described each flue gas inlet passageway (22a, 22b) separated from one another until described nozzle blade cascade (24), and wherein, at each flue gas inlet passageway (22a, pressure transducer is furnished with for measurement at corresponding flue gas inlet passageway (22a 22b), exhaust gas pressure (PI, PII) 22b); And
Pressure balance device, it is connected with described pressure transducer and is set to, the corresponding exhaust gas pressure (PI, PII) in described flue gas inlet passageway (22a, 22b) is balanced mutually.
2. exhaust dynamics turbine (20) according to claim 1, is characterized in that, described turbine blade (23a) is configured to the turbine blade of non-damping.
3. exhaust dynamics turbine (20) according to claim 1 and 2, it is characterized in that, by being set to for regulating at described each flue gas inlet passageway (22a, exhaust gas pressure (PI 22b), PII) pressure regulator (60a, 60b) be placed in each flue gas inlet passageway (22a, 22b), form described pressure balance device, wherein, described each pressure transducer and corresponding pressure regulator (60a, 60b) be connected with turbine control gear (100), and wherein, described turbine control gear (100) is set to, based on the exhaust gas pressure (PI recorded by each pressure transducer described, PII) corresponding pressure regulator (60a is manipulated, 60b), to make at all waste gases inlet passage (22a, exhaust gas pressure (PI 22b), PII) be adjusted in consistent theoretical pressure level.
4. exhaust dynamics turbine (20) according to claim 3, is characterized in that, utilizes the adjusting deviation being less than or equal to the exhaust gas pressure (PI, PII) of 1.0bar each other to preset described consistent theoretical pressure level.
5. exhaust dynamics turbine (20) according to claim 3, it is characterized in that, each pressure regulator (60a, 60b) there is throttling arrangement and carry out throttling for the waste gas inlet flow entering into each flue gas inlet passageway (22a, 22b) described.
6. exhaust dynamics turbine (20) according to claim 3, it is characterized in that, each pressure regulator (60a, 60b) has shunting device for being branched off into from waste gas inlet flow by waste gas in each waste gas input channel (22a, 22b) described.
7. a Waste Heat Recovery System (WHRS) (1), with:
Multiple internal-combustion engine (10,50), wherein each internal-combustion engine (10,50) has independently waste line (15,55); And
Exhaust dynamics turbine (20) according to any one of claim 1 to 6,
Wherein, described internal-combustion engine (10,50) waste line (15) of the first internal-combustion engine (10) and the flue gas inlet passageway (22a of described exhaust dynamics turbine (20), the first flue gas inlet passageway (22a) 22b) is connected for importing waste gas, and
Wherein, described internal-combustion engine (10,50) waste line (55) of the second internal-combustion engine (50) is connected for importing waste gas with second flue gas inlet passageway (22b) of the flue gas inlet passageway (22a, 22b) of described exhaust dynamics turbine (20).
8. Waste Heat Recovery System (WHRS) according to claim 7 (1), described Waste Heat Recovery System (WHRS) (1) has in addition: steamturbine (75) and at each waste line (15, 55) heat exchanger (25 in, 65), this heat exchanger (25, 65) with the elementary pipeline (25a be set to for guiding waste gas to pass, 65a) with the secondary pipeline (25b be set to for providing steam, 65b), wherein, each heat exchanger (25 described, 65) secondary pipeline (25b, 65b) be connected with the steam input part of described steamturbine (75).
9. Waste Heat Recovery System (WHRS) according to claim 8 (1), described Waste Heat Recovery System (WHRS) (1) is in addition with generator (80), wherein, the live axle of described generator (80) can not only with described exhaust dynamics turbine (20) introduce during rotary actuation is connected by the output shaft (23b) of rotor (23) rotary actuation of described exhaust dynamics turbine (20), and can with described steamturbine (75) introduce during rotary actuation is connected by the output shaft (75a) of the rotor rotary actuation of described steamturbine (75).
10. the method for making the Waste Heat Recovery System (WHRS) according to any one of claim 7 to 9 (1) run, has:
Measure the exhaust gas pressure (PI, PII) in each flue gas inlet passageway (22a, 22b) described,
The exhaust gas pressure (PI, PII) recorded relatively, and
Each exhaust gas pressure (PI, PII) in described flue gas inlet passageway (22a, 22b) is balanced mutually.
11. methods according to claim 10, it is characterized in that, describedly compare the exhaust gas pressure (PI recorded, PII) have in addition determine described in the exhaust gas pressure (PI that records, PII) minimum exhaust gas pressure, wherein, remaining exhaust gas pressure is defined as the exhaust gas pressure with elevated pressures, wherein, from described minimum exhaust gas pressure, theoretical pressure level is determined; And wherein, when making each exhaust gas pressure (PI, PII) in described flue gas inlet passageway (22a, 22b) balance each other, the described exhaust gas pressure with elevated pressures is reduced in described theoretical pressure level.
12. methods according to claim 11, is characterized in that, utilize the described consistent theoretical pressure level of exhaust gas pressure adjusting deviation adjustment being less than or equal to 1.0bar each other.
13. methods according to claim 11 or 12, is characterized in that, by making the corresponding waste gas inlet flow throttling entering into each flue gas inlet passageway (22a, 22b) described, have the exhaust gas pressure of higher pressure described in reduction.
14. methods according to claim 11 or 12, is characterized in that, by making waste gas be branched off into from each waste gas inlet flow described in each flue gas inlet passageway (22a, 22b) described, have the exhaust gas pressure of higher pressure described in reduction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011007386.8A DE102011007386B4 (en) | 2011-04-14 | 2011-04-14 | Exhaust gas utilization turbine, waste heat recovery system and method for operating a waste heat recovery system |
| DE102011007386.8 | 2011-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102733857A CN102733857A (en) | 2012-10-17 |
| CN102733857B true CN102733857B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210115097.1A Expired - Fee Related CN102733857B (en) | 2011-04-14 | 2012-04-13 | Exhaust power turbine, exhaust recycling system and running method of the exhaust recycling system |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5336629B2 (en) |
| KR (1) | KR101283813B1 (en) |
| CN (1) | CN102733857B (en) |
| CH (1) | CH704827B1 (en) |
| DE (1) | DE102011007386B4 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012222010A1 (en) | 2012-11-30 | 2014-06-05 | Robert Bosch Gmbh | Expansion machine, particularly turbine, which is flowed through by fluid, has output shaft, which is led out from expansion machine housing, where output shaft is connected with transmission |
| DE102013203815A1 (en) | 2013-03-06 | 2014-09-11 | Robert Bosch Gmbh | Composite consisting of at least one expansion machine and a transmission |
| DE102013207170A1 (en) | 2013-04-19 | 2014-10-23 | Robert Bosch Gmbh | Waste heat recovery system for an internal combustion engine |
| DE102013210255A1 (en) * | 2013-06-03 | 2014-12-04 | Siemens Aktiengesellschaft | Device as well as such a comprehensive drive system, especially for ships |
| DE102013211875A1 (en) | 2013-06-24 | 2015-01-08 | Robert Bosch Gmbh | Waste heat recovery system for an internal combustion engine |
| DE102014209624A1 (en) * | 2014-05-21 | 2015-11-26 | Robert Bosch Gmbh | Turbomachinery electrical machine unit |
| CN106574539A (en) * | 2014-08-08 | 2017-04-19 | 伊顿公司 | Energy recovery device with heat dissipation mechanisms |
| DE102015001615B4 (en) | 2015-02-07 | 2019-02-14 | Ronny Ulrich Reese | Device for generating kinetic energy, device for compression and method for obtaining electrical energy |
| DE102015218512A1 (en) | 2015-09-25 | 2017-03-30 | Mtu Friedrichshafen Gmbh | Heat exchanger device for an internal combustion engine, internal combustion engine with such a heat exchanger device, and marine vehicle with an internal combustion engine and / or a heat exchanger device |
| JP6545737B2 (en) * | 2017-02-23 | 2019-07-17 | 三菱重工業株式会社 | POWER GENERATION SYSTEM AND CONTROL METHOD OF POWER GENERATION SYSTEM |
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- 2012-04-12 KR KR1020120038147A patent/KR101283813B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| CH704827B1 (en) | 2016-01-15 |
| JP2012225343A (en) | 2012-11-15 |
| KR20120117666A (en) | 2012-10-24 |
| JP5336629B2 (en) | 2013-11-06 |
| CH704827A2 (en) | 2012-10-15 |
| CN102733857A (en) | 2012-10-17 |
| KR101283813B1 (en) | 2013-07-08 |
| DE102011007386B4 (en) | 2016-08-18 |
| DE102011007386A1 (en) | 2012-10-18 |
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