CN105986865A - Power generation system based on thermal energy in exhaust of marine main engine - Google Patents
Power generation system based on thermal energy in exhaust of marine main engine Download PDFInfo
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- CN105986865A CN105986865A CN201610384435.XA CN201610384435A CN105986865A CN 105986865 A CN105986865 A CN 105986865A CN 201610384435 A CN201610384435 A CN 201610384435A CN 105986865 A CN105986865 A CN 105986865A
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- electrically
- controlled valve
- main engine
- heat
- urceolus
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- 238000010248 power generation Methods 0.000 title abstract 4
- 238000009825 accumulation Methods 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 18
- 238000005338 heat storage Methods 0.000 claims description 16
- 230000005294 ferromagnetic effect Effects 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 230000005408 paramagnetism Effects 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 230000005307 ferromagnetism Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- 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
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
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- 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
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
- F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat the device being thermoelectric generators
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- 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
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/0435—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines the engine being of the free piston type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the technical field of thermal energy recycle, and discloses a power generation system based on the thermal energy in the exhaust of a marine main engine. The power generation system based on the thermal energy in the exhaust of the marine main engine comprises a spiral tube radiator, a heat reservoir and a Stirling generator, wherein the hot end of the Stirling generator extends into the spiral tube radiator, a heat preservation box is arranged on the outer side of the spiral tube radiator, one end of the heat reservoir is connected with a double-end gas inlet tube, the other end of the heat reservoir is connected with a double-end gas outlet tube, an electronic control valve A and an electronic control valve B are arranged on the double-end gas inlet tube, an electronic control valve C and an electronic control valve D are arranged on the double-end gas outlet tube, an electronic control valve E is arranged at the other gas outlet end of a three-way pipe, an electronic control valve F is arranged at the end, connected with the double-end gas inlet tube, of the heat reservoir, an electronic control valve G is arranged at the end, connected with the double-end gas outlet tube, of the heat reservoir, the electronic control valve D and the spiral tube radiator are connected through a pipeline, the electronic control valve B and the spiral tube radiator are connected through a return pipe, and a fan is arranged in the return pipe. The power generation system based on the thermal energy in the exhaust of the marine main engine has the beneficial effects that the thermal energy in the exhaust of the marine main engine is collected, stored and flexibly used, and the thermal energy is conveniently used.
Description
Technical field
The present invention relates to heat energy recycle technical field, particularly relate to a kind of electricity generation system based on marine main engine exhaust heat-energy.
Background technology
Marine main engine provides boats and ships sail, operation major impetus, being the major source of marine fuel consumption, but main frame waste heat from tail gas accounts for overall thermal efficiency 40%, main frame exhaust temperature is up to 350 DEG C-450 DEG C, main frame tail gas directly emits and causes heat energy to waste in a large number, also results in outside air temperature and raises.Therefore, effectively utilize main frame waste heat, improve fuel oil utilization ratio, be the effective way of ship energy saving reduction of discharging, caused countries in the world and paid attention to.At present, marine main engine UTILIZATION OF VESIDUAL HEAT IN mainly has two ways: one is directly as miscellaneous equipment heat source by low-quality waste heat；Two is power utilization to be worth waste heat big, of high grade be used for work done to reclaim power.Above two mode is all directly direct for the heat energy in main frame tail gas trans-utilization, when the main frame of boats and ships quits work, just cannot utilize main frame heat energy, and when main frame continuous firing, heat energy surplus can cause again thermal waste.
Summary of the invention
The present invention in order to overcome marine main engine exhaust heat-energy of the prior art to store, the deficiency of Appropriate application, it is provided that a kind of can by the thermal energy storage of marine main engine tail gas and be used for generating electricity generation system.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of electricity generation system based on marine main engine exhaust heat-energy, including coiled radiator, thermal storage device, stirling generator, the hot junction of stirling generator is stretched in coiled radiator, and the outside of described coiled radiator is provided with couveuse；One end of described thermal storage device connects double end air inlet pipe, the other end of thermal storage device connects double end escape pipe, two inlet ends of described double end air inlet pipe are respectively equipped with electrically-controlled valve A, electrically-controlled valve B, two outlet sides of described double end escape pipe are respectively equipped with electrically-controlled valve C, electrically-controlled valve D, the outer end of described electrically-controlled valve A connects tee T, the inlet end of tee T is connected with marine main engine offgas duct, one outlet side of tee T is connected with electrically-controlled valve A, another outlet side of tee T is provided with electrically-controlled valve E, described thermal storage device is provided with electrically-controlled valve F with the connection end of double end air inlet pipe, thermal storage device is provided with electrically-controlled valve G with the connection end of double end escape pipe, it is connected by pipeline between described electrically-controlled valve D and coiled radiator, it is connected by return duct between described electrically-controlled valve B and coiled radiator, it is provided with blower fan in described return duct.
Stirling generator is a kind of heat engine, as long as in stirling generator there is the temperature difference and can be achieved with piston and move back and forth in piston cylinder in the hot junction of piston cylinder and cold end, thus externally do work, generate electricity, generally heat in hot junction, water cooling tube is set at cold end, thus increase the temperature difference between hot junction and cold end.Electrically-controlled valve E is opened, electrically-controlled valve A is closed, now the normally outwards aerofluxus of marine main engine tail gas；Electrically-controlled valve E, electrically-controlled valve F, electrically-controlled valve G are closed, electrically-controlled valve A, electrically-controlled valve B, electrically-controlled valve C, electrically-controlled valve D are opened, in now main frame tail gas is directly entered coiled radiator, the hot junction to stirling generator is heated, driving Stirling engine externally to do work, generate electricity, then tail gas drain at electrically-controlled valve C；When needing to collect storage host exhaust heat-energy, electrically-controlled valve E, electrically-controlled valve B, electrically-controlled valve D simultaneously closes off, electrically-controlled valve A, electrically-controlled valve C, electrically-controlled valve F, electrically-controlled valve G is opened, main frame tail gas enters in thermal storage device, after heat is absorbed by thermal storage device, remaining tail gas is discharged at electrically-controlled valve C, when marine main engine quits work, in marine main engine offgas duct, empty calory is discharged, now electrically-controlled valve A, electrically-controlled valve C is closed, electrically-controlled valve B, electrically-controlled valve D, electrically-controlled valve F, electrically-controlled valve G, blower fan is opened, pipeline, air flowing in return duct, thus distribute at the heat energy transfer in thermal storage device to coiled radiator, the hot junction of stirling generator is heated；This system is flexible and convenient to use, can directly utilize main frame exhaust heat-energy, can use after thermal energy storage at any time again.
As preferably, described thermal storage device includes urceolus, the inner core being located in urceolus, described urceolus, inner core are coaxially distributed, the right-hand member of described urceolus is provided with end cap, the right-hand member of described inner core through end cap and is connected with double end air inlet pipe, the left end center of described urceolus is provided with the exhaustor being connected with double end escape pipe, is filled with some heat accumulation balls in the space between described urceolus and inner core.Mainly by heat accumulation ball heat accumulation in thermal storage device, the gap between heat accumulation ball is beneficial to air current flow.
As preferably, being provided with isolating cylinder between described urceolus and inner core, form first annular chamber between described inner core and isolating cylinder, form the second annular chamber between described isolating cylinder and urceolus, described heat accumulation ball is distributed in first annular chamber, the second annular chamber；The left end being positioned at urceolus in described isolating cylinder is provided with dividing plate, being positioned at the cavity on the left of dividing plate in described isolating cylinder is gather qi together chamber, the left end side of described inner core is provided with the first air inlet that some and first annular chamber connects, the right-hand member of described isolating cylinder is communicated with second air inlet in first annular chamber and the second annular chamber, the left end of described isolating cylinder is provided with the steam vent connected with gather qi together chamber, and described exhaustor connects with gather qi together chamber.After high-temperature tail gas enters inner core, first annular intracavity is entered from the first air inlet of inner core left end, move right then along first annular chamber from the second air inlet, enter the second annular chamber, tail gas finally enters gather qi together intracavity and drains at exhaustor, the flow path of high-temperature tail gas is extended by isolating cylinder, making the heat energy that heat accumulation ball can absorb in tail gas to greatest extent, heat accumulation efficiency is high.
As preferably, the outside of described urceolus is provided with heat insulation cylinder, is filled with asbestos between described heat insulation cylinder and urceolus；Described pipeline, the outer sheath of return duct are provided with collet.Heat insulation cylinder asbestos play heat-blocking action, reduce urceolus and extraneous heat exchange, reduce thermal loss；Collet can reduce loss when heat flows in pipeline.
As preferably, it is provided with screw thread outside the right-hand member of described urceolus, threadeds between described end cap and urceolus；The inner side of described end cap is provided with cannelure, and the right-hand member of described isolating cylinder snaps in cannelure.Open end cap, just heat accumulation ball quickly can be loaded in first annular chamber, the second annular chamber, assemble very convenient.
As preferably, described heat accumulation bag includes spherical shell, the thermal store being provided with in spherical shell, described thermal store includes shell, if piston in the enclosure, described shell is cylindrical, it is provided with heat-storage medium between bottom described piston and shell the inner, described piston outer end is provided with piston rod, it is fixed with permanent magnet in described shell, the center of described permanent magnet is provided with through hole, the outer end of described piston rod passes through hole, the outer end of piston rod is provided with ferromagnet, the outer end of described shell is provided with and the pore of heat accumulation ball ft connection, the Curie temperature of described permanent magnet is more than 900 DEG C, described ferromagnetic Curie temperature is 150 DEG C-200 DEG C.Before heat accumulation ball does not heats, permanent magnet, ferromagnetic temperature are in room temperature state, and room temperature is less than corresponding Curie temperature, and ferromagnet is attracted by permanent magnet；nullTime in main frame tail gas entrance thermal storage device，Heat accumulation ball absorbs tail gas heat quantity，Heat-storage medium heat absorption heats up，Along with the temperature of heat-storage medium raises、Pressure in dielectric cavity increases，The temperature difference between heat-storage medium and tail gas reduces，Heat absorption rate can slow down gradually，When reaching dynamic equilibrium in dielectric cavity，Heat-storage medium cannot continue heat absorption，It is less than the Curie temperature of permanent magnet higher than ferromagnetic Curie temperature yet with exhaust temperature，After dielectric cavity reaches balance，When ferromagnetic temperature is higher than Curie temperature，Ferromagnetic ferromagnetism becomes paramagnetism，Now permanent magnet is the most weak with ferromagnetic absorption affinity，Piston is displaced outwardly under the pressure effect in dielectric cavity，The volume moment of dielectric cavity increases，Pressure moment in dielectric cavity reduces，Balance before now in dielectric cavity is destroyed，Heat-storage medium in dielectric cavity、Air continues fast endothermic and reaches new balance；When thermal storage device needs external heat release, starting stage is big due to the temperature difference, and exothermal efficiency is high, along with the external heat release of thermal store, pressure in temperature difference reduction, dielectric cavity reduces, now heat accumulation ball exothermal efficiency substantially lowers, and when ferromagnetic temperature drops to below Curie temperature, ferromagnet is become ferromagnetism from paramagnetism, ferromagnet is sucked by permanent magnet, piston moves compressed media chamber, and the pressure in dielectric cavity increases and externally heat release, thus improves exothermal efficiency.
As preferably, described heat-storage medium is water, and when ferromagnet and permanent magnet adsorb, described heat-storage medium accounts for the 3/5-4/5 of dielectric cavity volume.
As preferably, described spherical shell includes cue ball housing and sphere lid, the opening of described cue ball housing is provided with connecting plate, the center of described connecting plate is provided with hole, location, the edge in hole, described location is uniformly provided with some dodges breach, the side of described shell is provided with some spacing lugs that may pass through and dodge breach, is provided with screw thread outside the outer end of described shell, and the inner side of described sphere lid is provided with adapter sleeve；Shell the inner is stretched in hole, location, and spacing lug rotates an angle after dodging breach so that spacing lug misplaces with dodging breach, and adapter sleeve is threadeded with housing outward end.Connect after thermal store loads cue ball housing and by sphere lid, assemble very convenient.
As preferably, being provided with copper sulphate pentahydrate crystal in described cue ball housing, the outer end of described adapter sleeve extends and forms pressure ring, is provided with high-temperature resistant seal ring between described pressure ring and the end face of connecting plate.Thermal storage device heat absorption time, copper sulphate pentahydrate absorption of crystal heat, when temperature reaches more than 250 degree, copper sulphate pentahydrate crystal generation chemical reaction and form copper sulphate powder and steam；Thermal storage device is when heat release, and when the temperature of heat accumulation ball is less than 250 degree, copper sulphate powder gradually generates copper sulphate pentahydrate crystal with steam reaction, and this reaction is exothermic reaction, can heat release further.
As preferably, it is provided with resistant to elevated temperatures linear bearing in the through hole at described permanent magnet center, described piston rod passes linear bearing, it is provided with slide opening in described piston rod, it is provided with slide bar in described slide opening, described slide bar and slide opening matched in clearance, described piston rod, slide bar made by pottery, and the outer end of described slide bar is fixed with described ferromagnet and is connected.Due to slide bar and piston rod matched in clearance, being slidably connected, the vibration that permanent magnet produces in moving process is not result in piston rod axial runout, thus ensures the sealing of piston.
Therefore, the present invention has the thermal energy collecting storage in marine main engine tail gas flexible Application, the convenient beneficial effect of heat energy utilization.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of thermal storage device.
Fig. 3 is the internal structure schematic diagram of heat accumulation ball.
Fig. 4 is ferromagnet heat accumulation spherical structure schematic diagram when becoming paramagnetism.
Fig. 5 is the schematic diagram in face, cue ball housing upper junction plate place.
Fig. 6 is the end view of thermal store.
nullIn figure: coiled radiator 1、Thermal storage device 2、Double end air inlet pipe 3、Double end escape pipe 4、Electrically-controlled valve A5、Electrically-controlled valve B6、Electrically-controlled valve C7、Electrically-controlled valve D8、Heat accumulation ball 9、Tee T 10、Marine main engine offgas duct 11、Electrically-controlled valve E12、Electrically-controlled valve F13、Electrically-controlled valve G14、Pipeline 15、Return duct 16、Blower fan 17、Stirling generator 18、Copper sulphate pentahydrate crystal 19、Urceolus 20、Inner core 21、Isolating cylinder 22、End cap 23、Exhaustor 24、First annular chamber 25、Second annular chamber 26、Heat insulation cylinder 27、Asbestos 28、Dividing plate 29、Gather qi together chamber 30、First air inlet 31、Second air inlet 32、Steam vent 33、Couveuse 100、Cannelure 230、Spherical shell 90、Thermal store 91、Cue ball housing 900、Sphere lid 901、Connecting plate 902、Hole 903, location、Dodge breach 904、Spacing lug 905、Adapter sleeve 906、Pressure ring 907、High-temperature resistant seal ring 908、Shell 910、Piston 911、Dielectric cavity 912、Heat-storage medium 913、Piston rod 914、Permanent magnet 915、Linear bearing 916、Slide opening 917、Slide bar 918、Ferromagnet 919、Pore 920.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings:
A kind of based on marine main engine exhaust heat-energy electricity generation system as shown in Figure 1, including coiled radiator 1, thermal storage device 2, stirling generator 18, the hot junction of stirling generator is stretched in coiled radiator, and the outside of coiled radiator is provided with couveuse 100；nullOne end of thermal storage device 2 connects double end air inlet pipe 3，The other end of thermal storage device connects double end escape pipe 4，Two inlet ends of double end air inlet pipe are respectively equipped with electrically-controlled valve A5、Electrically-controlled valve B6，Two outlet sides of double end escape pipe are respectively equipped with electrically-controlled valve C7、Electrically-controlled valve D8，The outer end of electrically-controlled valve A connects tee T 10，The inlet end of tee T is connected with marine main engine offgas duct 11，One outlet side of tee T is connected with electrically-controlled valve A，Another outlet side of tee T is provided with electrically-controlled valve E12，Thermal storage device 2 is provided with electrically-controlled valve F13 with the connection end of double end air inlet pipe，Thermal storage device is provided with electrically-controlled valve G14 with the connection end of double end escape pipe，It is connected by pipeline 15 between electrically-controlled valve D with coiled radiator，It is connected by return duct 16 between electrically-controlled valve B with coiled radiator，Blower fan 17 it is provided with in return duct；
As shown in Figure 2, the inner core 21 that thermal storage device 2 includes urceolus 20, is located in urceolus, isolating cylinder 22 it is provided with between urceolus and inner core, urceolus, inner core, isolating cylinder are coaxially distributed, the right-hand member of urceolus is provided with end cap 23, the right-hand member of inner core through end cap and is connected with double end air inlet pipe, the left end center of urceolus is provided with the exhaustor 24 being connected with double end escape pipe, first annular chamber 25 is formed between inner core and isolating cylinder, forming the second annular chamber 26 between isolating cylinder and urceolus, heat accumulation ball 9 is distributed in first annular chamber, the second annular chamber；The outside of urceolus is provided with heat insulation cylinder 27, is filled with asbestos 28 between heat insulation cylinder and urceolus；Pipeline, the outer sheath of return duct are provided with collet.
The left end being positioned at urceolus in isolating cylinder is provided with dividing plate 29, being positioned at the cavity on the left of dividing plate in isolating cylinder is gather qi together chamber 30, the left end side of inner core is provided with the first air inlet 31 that some and first annular chamber connects, the right-hand member of isolating cylinder is communicated with second air inlet 32 in first annular chamber and the second annular chamber, the left end of isolating cylinder is provided with the steam vent 33 connected with gather qi together chamber, and exhaustor connects with gather qi together chamber；Being provided with screw thread outside the right-hand member of urceolus, threaded between end cap with urceolus, the inner side of end cap 23 is provided with cannelure 230, and the right-hand member of isolating cylinder snaps in cannelure.
nullAs shown in Figure 3 and Figure 4，Heat accumulation ball 9 includes spherical shell 90、The thermal store 91 being provided with in spherical shell，Thermal store 91 includes shell 910、If piston in the enclosure 911，Shell is cylindrical，The dielectric cavity 912 of closing is formed between bottom piston and shell the inner，Heat-storage medium 913 it is provided with in dielectric cavity，Piston outer end is provided with piston rod 914，Permanent magnet 915 it is fixed with in shell，The center of permanent magnet is provided with through hole，Resistant to elevated temperatures linear bearing 916 it is provided with in through hole，Piston rod passes linear bearing，Slide opening 917 it is provided with in piston rod，Slide bar 918 it is provided with in slide opening，Slide bar and slide opening matched in clearance，Piston rod、Slide bar is made by pottery，The outer end of slide bar is fixing with ferromagnet 919 to be connected，The outer end of shell is provided with and the pore 920 of heat accumulation ball ft connection，The Curie temperature of permanent magnet is more than 900 DEG C，Ferromagnetic Curie temperature is 150 DEG C-200 DEG C；In the present embodiment, the Curie temperature of permanent magnet is 950 DEG C, and ferromagnetic Curie temperature is 180 DEG C, and heat-storage medium is water, and when ferromagnet and permanent magnet adsorb, heat-storage medium accounts for the 4/5 of dielectric cavity volume.
Spherical shell 90 includes cue ball housing 900 and sphere lid 901, the opening of cue ball housing is provided with connecting plate 902, as shown in Figure 5, the center of connecting plate is provided with hole 903, location, the edge in hole, location is uniformly provided with some breach 904 of dodging, and as shown in Figure 6, the side of shell is provided with some spacing lugs 905 that may pass through and dodge breach, being provided with screw thread outside the outer end of shell, the inner side of sphere lid 901 is provided with adapter sleeve 906；Shell the inner is stretched in hole, location, and spacing lug rotates an angle after dodging breach so that spacing lug misplaces with dodging breach, and adapter sleeve is threadeded with housing outward end；Being provided with copper sulphate pentahydrate crystal 19 in cue ball housing 900, the outer end of adapter sleeve extends and forms pressure ring 907, is provided with high-temperature resistant seal ring 908 between pressure ring and the end face of connecting plate.
In conjunction with accompanying drawing, the use principle of the present invention is as follows: electrically-controlled valve E is opened, electrically-controlled valve A is closed, now the normally outwards aerofluxus of marine main engine tail gas；Electrically-controlled valve E, electrically-controlled valve F, electrically-controlled valve G are closed, electrically-controlled valve A, electrically-controlled valve B, electrically-controlled valve C, electrically-controlled valve D are opened, in now main frame tail gas is directly entered coiled radiator, the hot junction to stirling generator is heated, driving Stirling engine externally to do work, generate electricity, then tail gas drain at electrically-controlled valve C；When needing to collect storage host exhaust heat-energy, electrically-controlled valve E, electrically-controlled valve B, electrically-controlled valve D simultaneously closes off, electrically-controlled valve A, electrically-controlled valve C, electrically-controlled valve F, electrically-controlled valve G is opened, main frame tail gas enters in thermal storage device, after heat is absorbed by thermal storage device, remaining tail gas is discharged at electrically-controlled valve C, when marine main engine quits work, in marine main engine offgas duct, empty calory is discharged, now electrically-controlled valve A, electrically-controlled valve C is closed, electrically-controlled valve B, electrically-controlled valve D, electrically-controlled valve F, electrically-controlled valve G, blower fan is opened, pipeline, air flowing in return duct, thus distribute at the heat energy transfer in thermal storage device to coiled radiator, the hot junction of stirling generator is heated；This system is flexible and convenient to use, can directly utilize main frame exhaust heat-energy, can use after thermal energy storage at any time again；In order to increase the heat storage capacity of thermal storage device, can be in the way of using multiple thermal storage devices in parallel or in series in access system.
Claims (10)
1. an electricity generation system based on marine main engine exhaust heat-energy, is characterized in that, including coiled radiator, thermal storage device, stirling generator, the hot junction of stirling generator is stretched in coiled radiator, and the outside of described coiled radiator is provided with couveuse；One end of described thermal storage device connects double end air inlet pipe, the other end of thermal storage device connects double end escape pipe, two inlet ends of described double end air inlet pipe are respectively equipped with electrically-controlled valve A, electrically-controlled valve B, two outlet sides of described double end escape pipe are respectively equipped with electrically-controlled valve C, electrically-controlled valve D, the outer end of described electrically-controlled valve A connects tee T, the inlet end of tee T is connected with marine main engine offgas duct, one outlet side of tee T is connected with electrically-controlled valve A, another outlet side of tee T is provided with electrically-controlled valve E, described thermal storage device is provided with electrically-controlled valve F with the connection end of double end air inlet pipe, thermal storage device is provided with electrically-controlled valve G with the connection end of double end escape pipe, it is connected by pipeline between described electrically-controlled valve D and coiled radiator, it is connected by return duct between described electrically-controlled valve B and coiled radiator, it is provided with blower fan in described return duct.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 1, it is characterized in that, described thermal storage device includes urceolus, the inner core being located in urceolus, described urceolus, inner core are coaxially distributed, the right-hand member of described urceolus is provided with end cap, the right-hand member of described inner core through end cap and is connected with double end air inlet pipe, and the left end center of described urceolus is provided with the exhaustor being connected with double end escape pipe, is filled with some heat accumulation balls in the space between described urceolus and inner core.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 2, it is characterized in that, it is provided with isolating cylinder between described urceolus and inner core, first annular chamber is formed between described inner core and isolating cylinder, forming the second annular chamber between described isolating cylinder and urceolus, described heat accumulation ball is distributed in first annular chamber, the second annular chamber；The left end being positioned at urceolus in described isolating cylinder is provided with dividing plate, being positioned at the cavity on the left of dividing plate in described isolating cylinder is gather qi together chamber, the left end side of described inner core is provided with the first air inlet that some and first annular chamber connects, the right-hand member of described isolating cylinder is communicated with second air inlet in first annular chamber and the second annular chamber, the left end of described isolating cylinder is provided with the steam vent connected with gather qi together chamber, and described exhaustor connects with gather qi together chamber.
4. according to a kind of based on marine main engine exhaust heat-energy the electricity generation system described in Claims 2 or 3, it is characterized in that, the outside of described urceolus is provided with heat insulation cylinder, is filled with asbestos between described heat insulation cylinder and urceolus；Described pipeline, the outer sheath of return duct are provided with collet.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 2, is characterized in that, be provided with screw thread, threaded between described end cap and urceolus outside the right-hand member of described urceolus；The inner side of described end cap is provided with cannelure, and the right-hand member of described isolating cylinder snaps in cannelure.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 2, it is characterized in that, described heat accumulation bag includes spherical shell, the thermal store being provided with in spherical shell, described thermal store includes shell, if piston in the enclosure, described shell is cylindrical, the dielectric cavity of closing is formed between bottom described piston and shell the inner, it is provided with heat-storage medium in described dielectric cavity, described piston outer end is provided with piston rod, it is fixed with permanent magnet in described shell, the center of described permanent magnet is provided with through hole, the outer end of described piston rod passes through hole, the outer end of piston rod is provided with ferromagnet, the outer end of described shell is provided with and the pore of heat accumulation ball ft connection, the Curie temperature of described permanent magnet is more than 900 DEG C, described ferromagnetic Curie temperature is 150 DEG C-200 DEG C.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 6, is characterized in that, described heat-storage medium is water, and when ferromagnet and permanent magnet adsorb, described heat-storage medium accounts for the 3/5-4/5 of dielectric cavity volume.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 6, it is characterized in that, described spherical shell includes cue ball housing and sphere lid, the opening of described cue ball housing is provided with connecting plate, the center of described connecting plate is provided with hole, location, and the edge in described hole, location is uniformly provided with some breach of dodging, and the side of described shell is provided with some spacing lugs that may pass through and dodge breach, being provided with screw thread outside the outer end of described shell, the inner side of described sphere lid is provided with adapter sleeve；Shell the inner is stretched in hole, location, and spacing lug rotates an angle after dodging breach so that spacing lug misplaces with dodging breach, and adapter sleeve is threadeded with housing outward end.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 8, it is characterized in that, being provided with copper sulphate pentahydrate crystal in described cue ball housing, the outer end of described adapter sleeve extends and forms pressure ring, is provided with high-temperature resistant seal ring between described pressure ring and the end face of connecting plate.
A kind of electricity generation system based on marine main engine exhaust heat-energy the most according to claim 6, it is characterized in that, it is provided with resistant to elevated temperatures linear bearing in the through hole at described permanent magnet center, described piston rod passes linear bearing, it is provided with slide opening in described piston rod, in described slide opening, is provided with slide bar, described slide bar and slide opening matched in clearance, described piston rod, slide bar are made by pottery, and the outer end of described slide bar is fixing with described ferromagnet to be connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610384435.XA CN105986865B (en) | 2016-06-02 | 2016-06-02 | A kind of electricity generation system based on marine main engine exhaust heat-energy |
| PCT/CN2017/084787 WO2017206715A1 (en) | 2016-06-02 | 2017-05-18 | Electric generator system based on heat of exhaust gas of main engine of vessel |
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| CN201610384435.XA CN105986865B (en) | 2016-06-02 | 2016-06-02 | A kind of electricity generation system based on marine main engine exhaust heat-energy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206715A1 (en) * | 2016-06-02 | 2017-12-07 | 浙江工商大学 | Electric generator system based on heat of exhaust gas of main engine of vessel |
| CN107620684A (en) * | 2017-07-26 | 2018-01-23 | 华南理工大学 | A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system |
| CN111706843A (en) * | 2020-07-01 | 2020-09-25 | 熊开贵 | Ship tail gas treatment device capable of recycling heat energy in multiple stages |
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| JPS60147095A (en) * | 1984-01-11 | 1985-08-02 | Hitachi Zosen Corp | Heat energy recovering method |
| JPS6365115A (en) * | 1986-09-05 | 1988-03-23 | Daiwa Kosan Kk | Generator driven by utilizing temperature difference |
| JPH08260912A (en) * | 1995-03-20 | 1996-10-08 | Toshiba Corp | Combined cycle power plant |
| CN101139945A (en) * | 2006-09-04 | 2008-03-12 | 吴尚恩 | Automobile residual heat storaging-releasing device |
| DE102011076054B4 (en) * | 2011-05-18 | 2013-12-05 | Eberspächer Exhaust Technology GmbH & Co. KG | Waste heat recovery device |
| US9476340B2 (en) * | 2012-04-16 | 2016-10-25 | GM Global Technology Operations LLC | Vehicle with stirling engine integrated into engine exhaust system |
| WO2014096895A1 (en) * | 2012-12-19 | 2014-06-26 | Renault Tracks | Engine arrangement comprising a waste heat recovery system with a downstream heat storage device |
| CN103291426B (en) * | 2013-06-21 | 2015-08-26 | 高志男 | A kind of waste heat recovery device of vehicle exhaust |
| CN104948373A (en) * | 2015-07-08 | 2015-09-30 | 浙江大学 | Engine waste heat utilization heating machine system and method adopting solid liquid phase change heat reservoir |
| CN105444601B (en) * | 2015-12-24 | 2017-12-08 | 北京工业大学 | Single tank storage, heat-releasing device and its application method with tandem type phase-transition heat-storage structure |
| CN106065799B (en) * | 2016-06-02 | 2019-01-18 | 浙江工商大学 | A kind of marine main engine exhaust heat-energy recycling system |
| CN105986865B (en) * | 2016-06-02 | 2019-01-18 | 浙江工商大学 | A kind of electricity generation system based on marine main engine exhaust heat-energy |
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2016
- 2016-06-02 CN CN201610384435.XA patent/CN105986865B/en active Active
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206715A1 (en) * | 2016-06-02 | 2017-12-07 | 浙江工商大学 | Electric generator system based on heat of exhaust gas of main engine of vessel |
| CN107620684A (en) * | 2017-07-26 | 2018-01-23 | 华南理工大学 | A kind of heat-exchanging furnace for small refuse incinerator afterheat generating system |
| CN111706843A (en) * | 2020-07-01 | 2020-09-25 | 熊开贵 | Ship tail gas treatment device capable of recycling heat energy in multiple stages |
| CN111706843B (en) * | 2020-07-01 | 2021-01-15 | 海南鸣川智能科技有限公司 | Ship tail gas treatment device capable of recycling heat energy in multiple stages |
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| Publication number | Publication date |
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| CN105986865B (en) | 2019-01-18 |
| WO2017206715A1 (en) | 2017-12-07 |
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Inventor after: Li Tongqiang Inventor after: Zhao Zhongwei Inventor before: Li Tongqiang |
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Effective date of registration: 20191226 Address after: 314413 No.2, Fengshou Avenue, Haining Economic and knitting industrial park, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Haining Warp Knitting Industrial Park Development Co., Ltd Address before: 310012 No. 149 staff Road, Hangzhou, Zhejiang, Xihu District Patentee before: Zhejiang Gongshang University |