CN106460546B - Power generator - Google Patents
Power generator Download PDFInfo
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- CN106460546B CN106460546B CN201580017252.8A CN201580017252A CN106460546B CN 106460546 B CN106460546 B CN 106460546B CN 201580017252 A CN201580017252 A CN 201580017252A CN 106460546 B CN106460546 B CN 106460546B
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Classifications
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- 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
-
- 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
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
- F01K9/003—Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Turbines (AREA)
Abstract
The power generator of the present invention（1）Have：Expanding machine（14）, make gasiform expanding working medium；Condenser（6）, make in expanding machine（14）The working media of middle expansion condenses；Pump（8）, in condenser（6）The working media of middle condensation pressurizes；Heater（10）, make to be pumped（8）The working media to have pressurizeed is evaporated using the heat of heat source medium；Cooling body（25）, in heater（10）Downstream side, by for superheat state and be predetermined temperature or more working media cool down.
Description
Technical field
The present invention relates to power generator.
Background technology
In the past, as following patent documents 1 are open, it is known to be set by the cycle piping that working media recycles
The binary power generator for the expansion machine driving generator set.As shown in fig. 7, in the binary power generation dress disclosed in patent document 1
In setting, evaporator 71, expanding machine 72, condenser 73 and circulating pump 74 are linked in sequence according to this in cycle piping 75.Evaporator
71 warm water using the warm water discharge being discharged from factory or from hot spring makes working media evaporate as heat source medium.In heat source medium
Evaporator 71 in the flow path of circulation goes out side, is provided with temperature survey mechanism 76.Based on the measured value, circulating pump 74 is adjusted
Rotating speed.That is, if the temperature for the warm water of evaporator 71 gone out at side becomes more at higher temperature than desired value, turning for circulating pump 74 is improved
Speed, to reduce out the warm water temperature at side.
In binary power generator disclosed in aforementioned patent literature 1, in the feelings of the temperature rise of the warm water as heat source
Under condition, the rotating speed of circulating pump 74 is improved, to reduce the temperature of the warm water flowed out from evaporator 71.It can make as a result, from evaporator
The temperature of the warm water of 71 outflows is fallen into given area.But in the binary power generator, warm water cannot be corresponded to by remaining
（Heat source medium）Temperature the case where sharp rising the problem of.If that is, the temperature rise for going out the warm water at side of evaporator 71
The rotating speed of circulating pump 74 is then adjusted in a manner of rising, but when the temperature of warm water sharp rises, the flow of working media increases
Adding cannot keep up with, and the degree of superheat of evaporator outlet can temporarily rise.Accordingly, there exist following problems：Be present in flash-pot 71 to
Liner of flange in the path of expanding machine 72 etc. must not have to heat proof material and constitute.
Patent document 1：Japanese Unexamined Patent Publication 2013-181398 bulletins.
Invention content
It is an object of the invention to make it possible to inhibit the temperature for going out the working media at side of evaporator in power generator
Rise.
The power generator of a technical solution according to the present invention has：Expanding machine makes gasiform expanding working medium；
Condenser makes the working media expanded in aforementioned swollen machine condense；Pump, adds the working media condensed in aforementioned condenser
Pressure；Heater makes at least part for the working media being pressurized in aforementioned pump be evaporated using the heat of heat source medium；It is cooling
Mechanism, in the downstream side of aforementioned heater, to for superheat state and be predetermined temperature or more working media carry out it is cold
But.
Description of the drawings
Fig. 1 is the figure of the structure for the power generator that outlined the first embodiment of the present invention.
Fig. 2 is the figure of the control action of the power generator for illustrating first embodiment.
Fig. 3 is the figure of the structure for the power generator that outlined second embodiment of the present invention.
Fig. 4 is the figure of the control action of the power generator for illustrating second embodiment.
Fig. 5 is the figure of the structure for the power generator that outlined the other embodiment of the present invention.
Fig. 6 is the figure of the structure for the power generator that outlined the other embodiment of the present invention.
Fig. 7 is the figure for the structure that outlined previous binary rotor machine.
Specific implementation mode
It is following to explain mode for carrying out the present invention in detail while with reference to attached drawing.
Power generator 1 according to first embodiment is that the electricity generation system of rankine cycle is utilized, as shown in Figure 1, having：
Condenser 6, circulating pump 8, evaporator 10, expanding machine 14.Condenser 6, circulating pump 8, heater 10 and expanding machine 14 are according to this
Sequence is set in circulation stream 4.In power generator 1 according to the present embodiment, composition has working media to pass through recycle stream
Road 4 and the circulation loop for flowing sequentially through heater 10, expanding machine 14, condenser 6 and circulating pump 8.As working media, make
With refrigerant more lower than the boiling point of water.
Generator 16 is connected to expanding machine 14.Make gasiform expanding working medium in expanding machine 14 and is driven so as to take out
The power of dynamic generator 16.
Condenser 6 be for making to eject from expanding machine 14 gasiform working media condensation and as liquid work
The component of medium.Condenser 6 has：The cooling medium such as flow of operating medium 6a, cooling water that gasiform working media circulates
The cooling medium stream road 6b of circulation.Cooling medium stream road 6b is connect with cooling circuit 61.In the 6b of cooling medium stream road, circulation from
The cooling medium such as the cooling water of the cooling circuit 61 supply.The working media to circulate in flow of operating medium 6a by with cold
But the cooling medium to circulate in medium flow path 6b carries out heat exchange and condenses.
Circulating pump 8 is set to the downstream side of condenser 6 in circulation stream 4（Between heater 10 and condenser 6）, it is to be used for
The component for making working media be recycled in circulation stream 4.Circulating pump 8 is by the work of the liquid after being condensed by condenser 6
Medium is pressurized to set pressure and is sent out to heater 10.As circulating pump 8, has the centrifugation of impeller used as rotor
The gear pump etc. that pump, rotor are formed by a pair of of gear.
Heater 10 is set to the downstream side of circulating pump 8 in circulation stream 4（Between circulating pump 8 and expanding machine 14）.Heating
Device 10 has：The flow of operating medium 10a of working media circulation, the heat source medium flow path 10b of heat source medium circulation.Heat source medium
Flow path 10b is connected to heat source medium circuit 62, and in heat source medium flow path 10b, circulate the heat come from external heat source supply
Source medium.The working media that circulates in flow of operating medium 10a and the heat source medium to circulate in heat source medium flow path 10b into
Row heat exchange and evaporate.As heat source medium, can enumerate such as warm water, water vapour.
In circulation stream 4, shut-off valve is provided between heater 10 and expanding machine 14（Switch valve）21.Shut-off valve 21
To be normally opened, but when expanding machine 14 is abnormal etc., the closings such as when making expanding machine 14 stop.
Bypass mechanism 23 and cooling body 25 are provided in circulation stream 4.Bypass mechanism 23 has：Around expanding machine
14 bypass 23a, the switch valve 23b being set in bypass 23a.Switch valve 23b is normally closed, but in the rotation of expanding machine 14
When abnormal etc., make expanding machine 14 stop when etc. openings.By turning on the switch valve 23b, the work flowed out from heater 10 is situated between
Matter will not be imported into expanding machine 14, but be imported into condenser 6.
Cooling body 25 is the gasiform working media cooling for that will be evaporated using heater 10（That is, from work
Medium takes away sensible heat）Component, have：Cooling access 25a, it is set to the cooling cooling valve of access 25a（Switch valve）
25b.The cooling position being connected to the one end of access 25a between the circulating pump 8 in circulation stream 4 and heater 10.Therefore,
The working media of liquid flows into cooling in access 25a.Cooling is connected to the other end of access 25a in circulation stream 4
Position between heater 10 and expanding machine 14.Therefore, flow through the working media of the liquid of cooling access 25a with from evaporator
The 10 gasiform working media interflow flowed out.
Cooling access 25a is made of the thinner piping of the tube diameter than constituting circulation stream 4.Therefore, with recycling
The working media to circulate in flow path 4 is circulated cooling in access 25a than the working media of sufficiently small flow.In addition, also may be used
To be alternatively set as that flow controller or capillary are arranged in cooling access 25a（Illustration omitted）Structure.
Cooling valve 25b is normally closed, is opened if receiving instruction from aftermentioned controller 30.
In circulation stream 4, with cooling between the downstream of the access 25a position connecting and expanding machine 14, it is arranged
There are temperature sensor 32 and pressure sensor 34.The detection of temperature sensor 32 flows out from heater 10 and is imported into shut-off valve 21
And the temperature of the working media of expanding machine 14.Pressure sensor 34 detection from evaporator 10 flow out and be imported into shut-off valve 21 with
And the pressure of the working media of expanding machine 14.
In power generator 1, it is provided with the switch control of the drive control for carrying out circulating pump 8, switch valve 21,23b, 25b
Controller 30.The function of controller 30 includes pump control mechanism 30a and cooling control mechanism 30b.
Pump control mechanism 30a is the mechanism of the rotating speed of control loop pump 8, carries out the drive control of circulating pump 8 so that from temperature
In the range of the degree of superheat of working media derived from the detected value of degree sensor 32 and pressure sensor 34 falls into and presets.
Cooling control mechanism 30b is the mechanism for the switch for controlling cooling valve 25b, based on the work flowed out from heater 10
The temperature for making medium executes the switch control of cooling valve 25b.That is, cooling control mechanism 30b from temperature sensor 32 and
In the case that the detected value of pressure sensor 34 judges that the working media at the downstream side of heater 10 is in an overheated state, sentencing
The detected value of disconnected temperature sensor 32 is predetermined temperature（Fiducial temperature）When above, output is used to open cooling valve
The instruction of 25b.As the fiducial temperature, following temperature is set so that will not damage and be arranged at the interconnecting piece of shut-off valve 21
Liner (not shown) etc..That is, control heater 10 exit working media temperature so that even if liner be not by
In the case that heat proof material is constituted, it will not be damaged because of the heat being subject to from working media.
In addition, cooling control mechanism 30b executes the cooling lock-in control with valve 25b so that in the downstream side of heater 10
Working media maintain saturation temperature more than range in cooled down.That is, cooling control mechanism 30b is in predetermined locking
Just the cooling instruction with valve 25b is closed in output when condition is set up so that the working media imported to expanding machine 14 maintains saturation temperature
Degree or more.As the barring condition, it can enumerate and for example be obtained from the detected value of temperature sensor 32 and pressure sensor 34
The degree of superheat of the working media obtained is in determined temperature with first-class.In addition, the temperature of working media at this time becomes than above-mentioned
The lower temperature of fiducial temperature.
Here, the motion of the electricity generation system of explanation according to first embodiment.In usual operating, 21 quilt of shut-off valve
It opens, on the other hand, the switch valve 23b of bypass 23a and cooling are closed with valve 25b.
If circulating pump 8 is driven, the working media of the working media of the liquid sent out from circulating pump 8 to heater 10
Flow path 10a is flowed into.The working media is heated and evaporated by the heat source medium to circulate in heat source medium flow path 10b.Utilize heating
Device 10 and evaporate working media be imported into expanding machine 14.Working media is imported into expanding machine 14, to which expanding machine 14 is revolved
Turn driving, thus generator 16 is driven and generated electricity.The working media expanded in expanding machine 14 is discharged to recycle stream
Road 4.The gasiform working media ejected from expanding machine 14 is imported into the flow of operating medium 6a of condenser 6.In condenser 6
In, working media is condensed by the cooling medium cooling circulated in the 6b of cooling medium stream road.The working media of the liquid is following
It circulates and is sucked by circulating pump 8 in circulation road 4.In circulation stream 4, repeats such cycle and sent out in generator 16
Electricity.
When power generator 1 operates, control loop pump 8 rotating speed and make 10 downstream side of heater working media mistake
Temperature is fallen into set range.That is, as shown in Fig. 2, detected value P1, T1 quilt of pressure sensor 34 and temperature sensor 32
It is input to controller 30（Step ST1）, controls of the pump control mechanism 30a based on detected value P1, T1 progress circulating pump 8 so that
The degree of superheat of working media is fallen into preset in the range of（Step ST2）.
Then, cooling control mechanism 30b detected value P1, T1 based on pressure sensor 34 and temperature sensor 32, really
It is whether in an overheated state and judge whether the detected value T1 of temperature sensor 32 is preset benchmark to recognize working media
Temperature（Upper limit value）Tr or less（Step ST3, ST4）.In addition, superheat state refers to and the working media under pressure detection value P1
Saturation temperature compares the higher states of temperature detection value T1.Then, when working media is in an overheated state, judging temperature biography
In the case that the detected value T1 of sensor 32 is more than fiducial temperature Tr, cooling valve 25b is opened（Step ST5）.Such situation example
Temperature such as in the heat source medium of importing heater 10 sharp rises thus when the rotating speed rising with circulating pump 8 cannot be to corresponding to
Occur.
If the part for opening the working media of the cooling liquid used valve 25b, come from the discharge of circulating pump 8 is split to cold
But access 25a is used.Then, flow through the working media of the liquid of cooling access 25a with it is in an overheated state in circulation stream 4
Working media interflow.Therefore, it flows out from heater 10 and circulates in circulation stream 4 towards shut-off valve 21 and expanding machine 14
Gasiform working media by interflow liquid working media gasify and be cooled.Use access 25a to cycle from cooling
The working media of the liquid that the part of ratio heater 10 in flow path 4 side farther downstream imports will only be flowed out from heater 10
The temperature of gasiform working media in circulation stream 4 reduces, that is, takes away sensible heat, therefore the case where with latent heat is taken away
Compared to the heat without bigger.Therefore, the working media of above-mentioned liquid is a small amount of.
In addition, cooling is made of with access 25a the thinner piping of the diameter compared with circulation stream 4, therefore prevent volume
Working media is the case where cooling in access 25a with circulating.Therefore, the working media of heater 10 is flowed by circulation stream 4
Amount will not be reduced to the degree of the working media amount for influencing to accumulate in the heater 10, also almost without the degree of superheat further on
The case where rising.
In the state that cooling is opened with valve 25b, the detection from temperature sensor 32 and pressure sensor 34 is judged
Whether the degree of superheat SH that value T1, P1 calculates is in the benchmark degree of superheat（Lower limiting value）SHr or more（Step ST6）.Then, if overheat
It is lower than benchmark degree of superheat SHr to spend SH, then is latched cooling valve 25b（Step ST7）.It is back to as a result, from circulating pump 8 and spues
Working media will not to cooling access 25a shunting but be imported into the usual operating of heater 10.
As described above, in the first embodiment party, the temperature at the downstream side of heater 10 is by cooling body 25
Working media cooling in an overheated state more than predetermined value.Therefore, can inhibit to flow out and flow into from heater 10
The temperature of the working media of expanding machine 14.Therefore, can effectively press down if even if when the temperature of heat source medium sharp rises etc.
The heating of working media processed.Therefore, there is no need to will be from heater 10 to the liner of flange present in the path of expanding machine 14
It is constituted Deng with the material with heat resistance, in addition, need not also improve the rank of the insulating materials used in generator 16
Etc. countermeasures.
In addition, in the first embodiment, being configured to cooling body 25 and enabling from the downstream side of pump and the upstream of heater 10
The working media interflow that side is diverted is in circulation stream 4 to cooling work medium.Therefore, can inhibit to be used as power generator 1
Complicatedization, in addition, can more effectively cooling work medium.
In addition, in the first embodiment, the working media in the downstream side of heater 10 maintains saturation temperature or more, because
This can prevent the working media of liquid to be imported into expanding machine 14.Therefore, decrease of power generation can be prevented.
In addition, first embodiment carries out the cooling of the working media of superheat state using the heat of gasification of working media, because
This can be more effectively carried out the cooling of working media.That is, the working media of superheat state can be cooled down with a small amount of cooling medium.
In particular, used the working media being diverted from the downstream side of circulating pump 8 as cooling medium, thus from circulating pump 8 to
The amount for the working media that heater 10 conveys only slightly is reduced.Therefore, i.e., order from by circulating pump 8 spue come working media divide
Stream, also has little effect.
Fig. 3 indicates the power generator 1 of second embodiment.In the power generator 1 of second embodiment, cooling body 25
Can also have and cool down the working media of superheat state by thermal mediums such as the steam, high temperature air, warm water being externally introduced
Heat exchanger 25f.For example, heat exchanger 25f is suitable for the heat source medium circuit 62 that is connect with heater 10 to starting
Machine（Illustration omitted）Pressurized air circulation flow path constitute the case where.Heat exchanger 25f is set to the heating in circulation loop 4
The downstream side of device 10.The steaming outside figure that the cooling flowing path 25e of heat exchanger 25f can also be arranged from the ship for carrying engine
Vapour equipment imports residual steam.When engine is by high loaded process, for example, 150 DEG C or so or more of pressurized air be imported into plus
Hot device 10.Therefore, the working media to circulate in the flow of operating medium 10a of heater 10 is heated to 150 DEG C or so of temperature
Degree.In this case, by the way that the cooling cooling valve of access 25a of cooling body 25 will be set to（The mechanism of decompressor）25b's
Aperture reduces, and thermal medium is depressurized, to reduce the temperature of thermal medium.It as a result, can will be in the working media stream of heat exchanger 25f
The working media of the superheat state to circulate in the 25d of road cools down.In addition, in time of engine low load operation, sometimes in heater 10
Middle working media is not sufficiently heated, and therefore, heat exchanger 25f can also be used as working media being heated to superheat state at this time
Superheater and function.
As shown in figure 4, in the electricity generation system according to the embodiment, it is based on pressure sensor 34 and temperature sensor
32 detected value P1, T1 confirms whether working media is in an overheated state（Step ST3）.Then, it is in overheat in working media
When state, in the case where judging that the detected value T1 of temperature sensor 32 is more than fiducial temperature Tr（Step ST4）, cooling control machine
Structure 30b is into the control for being about to cooling valve 25b throttling（Step ST11）.Thermal medium is depressurized as a result, in heat exchanger 25f
Working media is cooled（The sensible heat of working media is removed）.
In the state that cooling carries out throttle with valve 25b, judge by temperature sensor 32 and pressure sensor 34
The degree of superheat SH that calculates of detected value T1, P1 whether be in the benchmark degree of superheat（Lower limiting value）SHr or more（Step ST6）.Then,
If degree of superheat SH becomes lower than benchmark degree of superheat SHr, the control of throttling cooling valve 25b is released（Step ST7）.At this point,
In the case where working media is not sufficiently heated, can auxiliarily heating work medium, the degree of superheat SH of working media can be made
Rise.
Additionally, this invention is not limited to foregoing first embodiment and second embodiments, can not depart from its purport
It makes various changes, improve in range.For example, in foregoing first embodiment, from the working media of the shunting of circulation stream 4
Collaborate again with the working media of circulation stream 4 in the downstream side of heater 10, heat exchange is directly carried out with the working media.
It can be instead as shown in figure 5, making to branch between the working media in cooling access 25a and the working media of circulation stream 4
Ground connection carries out heat exchange.
Specifically, cooling body 25 has the cooling heat of the downstream side configuration of the heater 10 in circulation stream 4
Exchanger 25c.Be provided in the heat exchanger for cooling 25c flow of operating medium 25d being connect with circulation stream 4, with it is cold
But the cooling flowing path 25e of access 25a connections is used.
The cooling one end with access 25a（Upstream end thereof）Between the circulating pump 8 in circulation stream 4 and heater 10
Position connects.The cooling other end with access 25a（Downstream end）Between the expanding machine 14 in circulation stream 4 and condenser 6
Position connection.It is cooling to be located at the suction side of the circulating pump 8 in circulation stream 4 with the downstream end of access 25a, therefore branch to
It is cooling to become easy circulation with the working media of access 25a.
The working media of the liquid of cooling access 25a is branched to from circulation stream 4 in heat exchanger for cooling 25c,
Gasify while cooling down the working media of flow of operating medium 25d in an overheated state.Working media after gasification from
The upstream side of the cooling condenser 6 being back to access 25a in circulation stream 4.
In foregoing first embodiment, the working media of superheat state is cooled down by the working media of liquid.It can also generation
Alternately as shown in fig. 6, the cooling medium of the cooling circuit 61 by means of condenser 6（Cooling water）The work of cooling superheat state
Make medium.Specifically, the cooling one end with access 25a（Upstream end thereof）With the downstream of the condenser 6 in cooling circuit 61
The position of side connects.It has flowed through the cooling cooling medium with access 25a and has returned to cooling circuit 61.By the structure, in cooling
With in heat exchanger 25c, cooling medium in cooling flowing path 25e is by the work of flow of operating medium 25d in an overheated state
Medium cools down.
In aforementioned each embodiment, matching between the heater 10 and expanding machine 14 by circulation stream 4 can also be set
The part covering sheath of tube portion, is cooled down from adding indirectly by enabling working media or cooling fluid circulate in the sheath
The working media that hot device 10 flows out.
Cooling valve 25a may be the valve that can adjust aperture.
Here, being summarized about aforementioned embodiments.
In the foregoing embodiment, the temperature at the downstream side of heater is predetermined value or more by cooling body
Working media cooling in an overheated state.Therefore, can inhibit to flow out from heater and flow into the temperature of the working media of expanding machine
Degree.Therefore, even if the liter of working media can be effectively inhibited if inferior the case where the temperature of heat source medium sharp rises
Temperature.It therefore, there is no need to the material with heat resistance such as liner of the flange present in the path from heater to expanding machine
Material is constituted, in addition, also need not be by the countermeasure of the rank of the insulating materials used in generator raising etc..
Aforementioned cooling body can also be configured to by from the downstream side of aforementioned pump and the upstream side of aforementioned heater shunting
Working media out, the working media of cooling aforementioned superheat state.In this mode, by the next working media that spues from pump
The working media of superheat state is cooled down, therefore complicatedization as power generator can be inhibited.
Aforementioned cooling body can also be configured to collaborate the working media being diverted from the downstream side of aforementioned pump in preceding
The working media in the downstream side of heater is stated to cool down the working media of aforementioned superheat state.In this mode, from pump
The working media interflow for the working media and superheat state that downstream side is diverted is to cool down the working media.Therefore, energy
More effectively working media is cooled down.
Aforementioned cooling body can also maintain the model of saturation temperature or more in the working media in the downstream side of aforementioned heater
Enclose interior cooled down.In this mode, the working media of liquid can be prevented to be imported into expanding machine.Therefore, generating efficiency can be prevented
Decline.
Aforementioned cooling body can also carry out the cooling of the working media of superheat state using heat of gasification.In which
Under, the cooling of the working media of superheat state is carried out using heat of gasification, therefore the cooling of working media can be more effectively carried out.
That is, the working media of superheat state can be cooled down with a small amount of cooling medium.It will be especially diverted from the downstream side of pump
Working media as cooling medium in use, the amount of the working media conveyed from pump to evaporator is only slightly reduced.Therefore, i.e.,
Make to enable its shunting also have little effect from the working media come from pump discharge.
Aforementioned cooling body can also have：Heat exchanger has flow of operating medium and cooling flowing path, before being configured at
State the downstream side of heater；The mechanism of decompressor is arranged in the thermal medium circuit for being connected to aforementioned cooling flowing path.Aforesaid vacuum mechanism
Thermal medium can also be depressurized, to be superheat state in working media and when being predetermined temperature or more, in aforementioned heat
Cooling foregoing work medium in exchanger.
In this mode, working media is for superheat state and when being predetermined temperature or more, in a heat exchanger,
The working media to circulate in flow of operating medium is depressurized and flowed in cooling flowing path by the mechanism of decompressor by thermal medium circuit
Logical thermal medium cooling.On the other hand, when working media is not sufficiently heated in the heater, working media is in heat exchange
It is heated by thermal medium in device.Therefore, heat exchanger can cool down working media when working media is exceedingly heated, another party
Face can auxiliarily heat working media when working media is not sufficiently heated.
As explained above, according to aforementioned embodiments, the work for going out side of evaporator can be inhibited in power generator
Make the temperature rise of medium.
Claims (6)
1. a kind of power generator, which is characterized in that have：
Expanding machine makes gasiform expanding working medium；
Condenser makes the working media expanded in aforementioned swollen machine condense；
Pump, to the chilled working media pressurization in aforementioned condenser；
Heater makes at least part for the working media being pressurized in aforementioned pump be evaporated using the heat of heat source medium；
Cooling body will be for superheat state and be that the work of predetermined temperature or more is situated between in the downstream side of aforementioned heater
Matter cools down, with cooling access and the cooling valve for being set to cooling access；
Control mechanism is pumped, is the mechanism of the rotating speed of control loop pump, carries out the drive control of circulating pump so that in aforementioned heater
Downstream side working media the degree of superheat fall into and preset in the range of；And
Cooling control mechanism,
Aforementioned condenser, aforementioned pump, aforementioned heater and aforementioned swollen machine are provided in circulation stream, it is aforementioned cooling with logical
Position connection between aforementioned pump and aforementioned heater in the one end on road and aforementioned circulation stream, the other end is followed with aforementioned
Position connection between aforementioned heater in circulation road and aforementioned swollen machine,
In the case where judging that working media is in an overheated state, judging to be imported into aforementioned swollen from the outflow of aforementioned heater
When the temperature of the working media of machine is more than fiducial temperature, aforementioned cooling control mechanism carries out the opening control of aforementioned cooling valve,
And aforementioned cooling control mechanism carries out the lock-in control of aforementioned cooling valve so that the work in the downstream side of aforementioned heater
It is cooled down in range more than medium maintenance saturation temperature.
2. power generator as described in claim 1, which is characterized in that aforementioned cooling body is constituted as follows：By from aforementioned
The working media of the downstream side of pump and the shunting of the upstream side of aforementioned heater, the working media of cooling aforementioned superheat state.
3. power generator as claimed in claim 2, which is characterized in that aforementioned cooling body is constituted as follows：It will be from aforementioned pump
Downstream side shunting working media interflow in the working media in the downstream side of aforementioned heater, to cooling aforementioned superheat state
Working media.
4. the power generator as described in any one of claims 1 to 3, which is characterized in that aforementioned cooling body adds aforementioned
The working media in the downstream side of hot device, which maintains in the range of saturation temperature or more, to be cooled down.
5. the power generator as described in any one of claims 1 to 3, which is characterized in that aforementioned cooling body utilizes gasification
Cooling that is hot and carrying out the working media of superheat state.
6. power generator as described in claim 1, which is characterized in that
Aforementioned cooling body has：Heat exchanger has flow of operating medium and cooling flowing path, is configured at aforementioned heater
Downstream side；The mechanism of decompressor is arranged in the thermal medium circuit being connected with aforementioned cooling flowing path；
Aforesaid vacuum mechanism depressurizes thermal medium, to be superheat state in working media and to be predetermined temperature or more
When, the cooling foregoing work medium in aforesaid heat exchangers.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014067540A JP6223886B2 (en) | 2014-03-28 | 2014-03-28 | Power generator |
| JP2014-067540 | 2014-03-28 | ||
| PCT/JP2015/054913 WO2015146403A1 (en) | 2014-03-28 | 2015-02-23 | Generator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106460546A CN106460546A (en) | 2017-02-22 |
| CN106460546B true CN106460546B (en) | 2018-09-21 |
Family
ID=54194938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580017252.8A Expired - Fee Related CN106460546B (en) | 2014-03-28 | 2015-02-23 | Power generator |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3124755A4 (en) |
| JP (1) | JP6223886B2 (en) |
| KR (1) | KR101790915B1 (en) |
| CN (1) | CN106460546B (en) |
| WO (1) | WO2015146403A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6769888B2 (en) | 2017-02-09 | 2020-10-14 | 株式会社神戸製鋼所 | Thermal energy recovery device |
| JP6761380B2 (en) * | 2017-06-22 | 2020-09-23 | 株式会社神戸製鋼所 | Thermal energy recovery system and ships equipped with it |
| JP2019015228A (en) * | 2017-07-06 | 2019-01-31 | いすゞ自動車株式会社 | Rankine cycle system and method for controlling the same |
| JP7009227B2 (en) * | 2018-01-18 | 2022-01-25 | 株式会社神戸製鋼所 | Thermal energy recovery device |
| JP6980546B2 (en) * | 2018-01-31 | 2021-12-15 | 株式会社神戸製鋼所 | Thermal energy recovery device |
| WO2022107237A1 (en) * | 2020-11-18 | 2022-05-27 | 安彦 大久保 | Cooling roll device |
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| CN102619641A (en) * | 2012-04-12 | 2012-08-01 | 北京工业大学 | Power generation system using exhausting and cooling waste heat in internal combustion engine at the same time and control method therefor |
| CN103670549A (en) * | 2012-08-29 | 2014-03-26 | 株式会社神户制钢所 | Power generation apparatus and control method thereof |
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| JPS63194110A (en) * | 1987-02-06 | 1988-08-11 | 三菱重工業株式会社 | Once-through boiler |
| JPS6435002A (en) * | 1987-07-30 | 1989-02-06 | Toshiba Corp | Pressure and temperature reduction device for turbine bypass |
| JPS6441604A (en) * | 1987-08-10 | 1989-02-13 | Toshiba Corp | Thermal stress control device for steam turbine plant |
| JP2001193415A (en) * | 1999-11-05 | 2001-07-17 | Mitsui Eng & Shipbuild Co Ltd | Repowering method in power generation |
| DE102009048683A1 (en) * | 2009-10-07 | 2011-04-14 | Daimler Ag | Waste heat recovery device for motor vehicle, has expansion unit releasing condensed gaseous working medium under work delivery |
| JP5552986B2 (en) * | 2010-09-24 | 2014-07-16 | 株式会社豊田自動織機 | Rankine cycle equipment |
| JP2012067687A (en) * | 2010-09-24 | 2012-04-05 | Toyota Industries Corp | Rankine cycle device |
| JP5871661B2 (en) | 2012-02-29 | 2016-03-01 | 株式会社神戸製鋼所 | Binary power generator control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102619641A (en) * | 2012-04-12 | 2012-08-01 | 北京工业大学 | Power generation system using exhausting and cooling waste heat in internal combustion engine at the same time and control method therefor |
| CN103670549A (en) * | 2012-08-29 | 2014-03-26 | 株式会社神户制钢所 | Power generation apparatus and control method thereof |
Also Published As
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| JP6223886B2 (en) | 2017-11-01 |
| KR101790915B1 (en) | 2017-10-26 |
| WO2015146403A1 (en) | 2015-10-01 |
| JP2015190364A (en) | 2015-11-02 |
| EP3124755A4 (en) | 2017-12-13 |
| EP3124755A1 (en) | 2017-02-01 |
| KR20160127049A (en) | 2016-11-02 |
| CN106460546A (en) | 2017-02-22 |
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