CN107882602A - Heat reclaiming system - Google Patents
Heat reclaiming system Download PDFInfo
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- CN107882602A CN107882602A CN201710907266.8A CN201710907266A CN107882602A CN 107882602 A CN107882602 A CN 107882602A CN 201710907266 A CN201710907266 A CN 201710907266A CN 107882602 A CN107882602 A CN 107882602A
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- Prior art keywords
- foregoing
- power recovery
- recovery system
- open
- evaporation part
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Classifications
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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
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
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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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C13/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- 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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
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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
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
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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
- 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
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- 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)
- Control Of Turbines (AREA)
Abstract
The present invention provides a kind of heat reclaiming system, and the heat reclaiming system can avoid the obvious maximization of evaporation part, and the heat energy of the heating medium can be effectively reclaimed according to the variation of the heat of heating medium.Possesses the 1st power recovery system (10),2nd power recovery system (20),Store the evaporator shell (30) of the 1st evaporation part (11) and the 2nd evaporation part (21),Upstream side links stream (41),Downstream links stream (42) and control unit (50),Control unit (50) is in two power recovery systems (10,20) when driving,Working media is transported to the 1st evaporation part (11) and the 2nd evaporation part (21),In the recovery system driving of only one party,The working media flowed in the circulation stream of the recovery system of a side is linked into stream (41) by upstream side and is transported to the 1st evaporation part (11) and the 2nd evaporation part (21) both sides,And it is back to foregoing circulation stream by stream (42) is linked by downstream from the working media of the 1st evaporation part (11) and the outflow of the 2nd evaporation part (21).
Description
Technical field
The present invention relates to heat reclaiming system.
Background technology
In the past, it is known that a kind of heat reclaiming system from heat extraction recovery power.Such as Patent Document 1 discloses one kind
The heat reclaiming system of the heat extraction and recovery device of the heat extraction of the engine with supercharger with the engine with supercharger and recovery.
Engine with supercharger has supercharger, the aerial cooler and hair that are cooled down to the pressurized air discharged from supercharger
Motivation.Heat extraction and recovery device have by the pressurized air discharged from supercharger make working media evaporate evaporator, make from steaming
The expanding machine of the expanding working medium of hair device outflow, the power recovery machine that is connected with expanding machine and make the work flowed out from expanding machine
Make the condenser of medium condensation.
Patent document 1:Japanese Unexamined Patent Publication 2015-200182 publications.
In such heat reclaiming system shown in patent document 1, the heating such as pressurized air of evaporator is supplied to sometimes
The heat of medium changes.In the case where the heat of heating medium is larger, in order to fully reclaim the heat, a row is set up in consideration
Heat reclamation device.But so, system integrally maximizes, and is heating the heat of medium as low as with utilizing two rows
It is higher that the heat energy of heat reclamation device recovery heating medium compares the energy recovery efficiency using a heat extraction and recovery device recovery
In the case of, a heat extraction and recovery device is in the state stopped and (is almost not involved in heating the shape of the energy recovery of medium in addition
State).In this condition it is also preferred that effectively reclaiming the heat energy of heating medium.
The content of the invention
It is an object of the invention to provide a kind of obvious maximization that can avoid evaporation part, and can be according to heating medium
The heat reclaiming system of the heat energy of the heating medium is effectively reclaimed in the variation of energy.
As for solving the scheme of foregoing problems, the present invention provides a kind of heat reclaiming system, possesses the 1st power recovery
System, the 2nd power recovery system, evaporator shell, upstream side link stream, downstream link stream and control unit, the foregoing 1st
Power recovery system includes the 1st evaporation part, the 1st expanding machine, the 1st power recovery machine, the 1st condenser, the 1st pump and the 1st circulation
Stream, foregoing 1st evaporation part evaporate the working media by making heating medium and working media heat exchange, and the foregoing 1st is swollen
Swollen machine makes the expanding working medium from the outflow of foregoing 1st evaporation part, and foregoing 1st power recovery machine is connected with foregoing 1st expanding machine,
Foregoing 1st condenser makes the working media condensation from the outflow of foregoing 1st expanding machine, and foregoing 1st pump will be from foregoing 1st condenser stream
The working media gone out is transported to foregoing 1st evaporation part, and foregoing 1st circulation stream connects foregoing 1st evaporation part, foregoing 1st expansion
Machine, foregoing 1st condenser and foregoing 1st pump, foregoing 2nd power recovery system include the 2nd evaporation part, the 2nd expanding machine, the 2nd
Power recovery machine, the 2nd condenser, the 2nd pump and the 2nd circulation stream, foregoing 2nd evaporation part is by making foregoing heating medium and work
Make medium heat exchange and evaporate the working media, foregoing 2nd expanding machine makes the working media from the outflow of foregoing 2nd evaporation part swollen
Swollen, foregoing 2nd power recovery machine is connected with foregoing 2nd expanding machine, and foregoing 2nd condenser makes from the outflow of foregoing 2nd expanding machine
Working media is condensed, and the working media flowed out from foregoing 2nd condenser is transported to foregoing 2nd evaporation part by foregoing 2nd pump, foregoing
2nd circulation stream connects foregoing 2nd evaporation part, foregoing 2nd expanding machine, foregoing 2nd condenser and foregoing 2nd pump, foregoing steaming
Send out device shell and concentrate foregoing 1st evaporation part of storage and foregoing 2nd evaporation part, foregoing upstream side links stream by the foregoing 1st circulation
Position between foregoing 1st pump and foregoing 1st evaporation part in stream and foregoing 2nd pump in the foregoing 2nd circulation stream and before
The position connection between the 2nd evaporation part is stated, foregoing downstream links stream by foregoing 1st evaporation in the foregoing 1st circulation stream
Position and foregoing 2nd evaporation part in the foregoing 2nd circulation stream and foregoing 2nd expanding machine between portion and foregoing 1st expanding machine
Between position connection, foregoing control unit in foregoing 1st power recovery system and foregoing 2nd power recovery system drive,
The working media flowed in the foregoing 1st circulation stream is transported to foregoing 1st evaporation part, and will be in foregoing 2nd recycle stream
The working media flowed in road is transported to foregoing 2nd evaporation part, in only foregoing 1st power recovery system and foregoing 2nd power
During the recovery system driving of the one party of recovery system, the work flowed in the circulation stream of the recovery system of a side is situated between
Matter links stream to be transported to foregoing 1st evaporation part and foregoing 2nd evaporation part both sides by foregoing upstream side, and will in the past
The working media for stating the 1st evaporation part and the outflow of foregoing 2nd evaporation part returns to foregoing one by foregoing downstream link stream
In the circulation stream of the recovery system of side.
In this heat reclaiming system, because the 1st evaporation part and the 2nd evaporation part are accommodated in single evaporator shell,
Therefore compared with being accommodated in the situation in special shell respectively with each evaporation part, evaporator as a whole miniaturization, and returned in two power
When receiving system drive (when the heat of heating medium is larger), working media is supplied to each evaporation part, therefore each steaming can be utilized
Hair portion effectively reclaim heating medium heat energy, and in the power recovery system drive of a side (heating medium heat compared with
Hour), the working media flowed in the circulation stream of the recovery system of a side is linked into stream by upstream side, is supplied to
1st evaporation part and the 2nd evaporation part both sides, therefore these evaporation parts can be utilized effectively to reclaim the heat energy for heating medium.Change
Yan Zhi, in this heat reclaiming system, reach following two purposes:Avoid the obvious maximization of evaporator as a whole and according to heating
The heat energy of the heating medium is effectively reclaimed in the variation of the heat of medium.
Furthermore it is preferred that in foregoing heat reclaiming system, be also equipped with the 1st open and close valve, the 2nd open and close valve, the 3rd open and close valve and
4th open and close valve, foregoing 1st open and close valve are arranged at foregoing upstream side and link stream, and foregoing 2nd open and close valve is arranged at the foregoing 2nd and followed
The 2nd circulation stream and foregoing upstream side in circulation road link the position between the connecting portion of stream and foregoing 2nd pump, foregoing
3rd open and close valve is arranged at foregoing downstream and links stream, and foregoing 4th open and close valve is arranged at the 2nd in foregoing 2nd circulation stream
The position between the connecting portion of stream and foregoing downstream link stream and foregoing 2nd expanding machine is circulated, foregoing control unit is preceding
When stating the 1st power recovery system and foregoing 2nd power recovery system drive, foregoing 1st open and close valve and foregoing 3rd opening and closing are closed
Valve, and foregoing 2nd open and close valve and foregoing 4th open and close valve are opened, in only foregoing 1st power recovery system drive, before opening
The 1st open and close valve and foregoing 3rd open and close valve are stated, and closes foregoing 2nd open and close valve and foregoing 4th open and close valve.
In this way, simplify the switching of each power recovery system of the variation of the heat according to heating medium.
In such a situation it is preferred to foregoing control unit is from foregoing 1st power recovery system and foregoing 2nd power recovery
When the state of system drive switches to the state of only foregoing 1st power recovery system drive, the rotating speed for reducing foregoing 1st pump with
And after the rotating speed of foregoing 2nd pump or after stopping foregoing 1st pump and foregoing 2nd pump, representing in foregoing 1st evaporation part and
When the evaporation conditionses that aforementioned operation medium in foregoing 2nd evaporation part is changed into below given amount are set up, foregoing 1st open and close valve is opened
With foregoing 3rd open and close valve, and foregoing 2nd open and close valve and foregoing 4th open and close valve are closed.
In this way, before each opening and closing Vavle switching, the working media in each evaporation part is changed into below given amount.That is, suppress each
Driven in evaporation part in the state of the working media of residual such as liquid phase from the 1st power recovery system and the 2nd power recovery system
Dynamic state switches to the state of only the 1st power recovery system drive.Therefore, the work flowed in the 2nd circulation stream is suppressed
A part for medium links in the circulation stream of stream inflow the 1st via the 2nd evaporation part and downstream (to flow in each circulation stream
The flow of dynamic working media produces deviation).
Furthermore it is preferred that in foregoing heat reclaiming system, foregoing control unit is from only foregoing 1st power recovery system drive
State when switching to the state of foregoing 1st power recovery system and foregoing 2nd power recovery system drive, it is foregoing reducing
After the rotating speed of 1st pump or after foregoing 1st pump of stopping, before representing in foregoing 1st evaporation part and in foregoing 2nd evaporation part
When stating the evaporation conditionses establishment that working media is changed into below given amount, foregoing 1st open and close valve and foregoing 3rd open and close valve are closed, and
And foregoing 2nd open and close valve and foregoing 4th open and close valve are opened, and drive foregoing 2nd power recovery system.
In this way, before each opening and closing Vavle switching, the working media in each evaporation part is changed into below given amount.That is, suppress each
In evaporation part the 1st is switched in the state of the working media of residual such as liquid phase from the state of only the 1st power recovery system drive
The state of power recovery system and the 2nd power recovery system drive.Therefore, the work flowed in the 1st circulation stream is suppressed
A part for medium links in the circulation stream of stream inflow the 2nd via the 1st evaporation part and downstream (to flow in each circulation stream
The flow of dynamic working media produces deviation).
In addition, in foregoing heat reclaiming system, preferably foregoing control unit is in foregoing 1st power recovery system and foregoing
During the 2nd power recovery system drive, representing in certain of foregoing 1st power recovery system and foregoing 2nd power recovery system
When the flow that the flow of the working media flowed in the circulation stream of the power recovery system of one side declines declines condition establishment, make
The rotating speed of the pump of the power recovery system of aforementioned one side is less than foregoing 1st power recovery system and foregoing 2nd power recovery system
The rotating speed of the pump of the power recovery system of the opposing party of system, and open foregoing 1st open and close valve.
In this way, when flow declines condition and set up, the work that is flowed in the circulation stream of the power recovery system of the opposing party
The part for making medium is linked by upstream side in the circulation stream for the power recovery system that stream flows into a side.Therefore, eliminate
The deviation of the flow of the working media flowed in each circulation stream.
In addition, in foregoing heat reclaiming system, preferably foregoing control unit is in foregoing 1st power recovery system and foregoing
When 2nd power recovery system stops, representing in certain of foregoing 1st power recovery system and foregoing 2nd power recovery system
When the total amount that the total amount of aforementioned operation medium in the circulation stream of the power recovery system of one side declines declines condition establishment, drive
The pump of the power recovery system of the opposing party of foregoing 1st power recovery system and foregoing 2nd power recovery system is moved, and is beaten
Open foregoing 1st open and close valve.
In this way, when total amount declines condition and set up, the work that is flowed in the circulation stream of the power recovery system of the opposing party
The part for making medium is linked by upstream side in the circulation stream for the power recovery system that stream flows into a side.Therefore, eliminate
The deviation of the total amount of working media in each circulation stream.
According to the present invention, as described above, it is possible to a kind of obvious maximization that can avoid evaporation part is provided, and being capable of basis
The heat reclaiming system of the heat energy of the heating medium is effectively reclaimed in the variation of the heat of heating medium.
Brief description of the drawings
Fig. 1 is the figure of the outline of the structure for the heat reclaiming system for representing one embodiment of the present invention.
Fig. 2 is the flow chart of the control content for the 1st operating portion for representing control unit.
Fig. 3 is the flow chart of the control content for the 2nd operating portion for representing control unit.
Fig. 4 is the flow chart of the control content for the 3rd operating portion for representing control unit.
Fig. 5 is the flow chart of the control content for the 4th operating portion for representing control unit.
Embodiment
The heat reclaiming system 1 of one embodiment of the present invention is illustrated referring to figs. 1 to Fig. 5.
As shown in figure 1, this heat reclaiming system 1 possesses the 1st power recovery system 10, the 2nd power recovery system 20, evaporation
Device shell 30, upstream side link stream 41, downstream links stream 42 and control unit 50.
The heat energy of 1st power recovery system 10 recovery heating medium.In the present embodiment, as heating medium, use
The pressurized air of marine engines 63 is supplied to from supercharger 61.That is, the heat reclaiming system 1 of present embodiment is installed in ship
Oceangoing ship.In addition, the pressurized air discharged from supercharger 61 utilizes aerial cooler 62 before marine engines 63 are fed into
Cooled down by cooling mediums such as seawater.1st power recovery system 10 has the 1st evaporation part 11, the 1st expanding machine 12, the 1st power recovery
Machine 13, the 1st condenser 14, the 1st pump 15 and it is sequentially connected in series the 1st evaporation part 11, the 1st expanding machine 12, the 1st condenser 14
And the 1st pump 15 the 1st circulation stream 16.
1st evaporation part 11 be arranged at for pressurized air flowing air-breathing stream in supercharger 61 and aerial cooler 62 it
Between position.1st evaporation part 11 is by the heating medium (supercharging for making to discharge from supercharger 61 and flowing into before aerial cooler 62
Air) with the working media heat exchange of liquid phase evaporate working media.Specifically, the 1st evaporation part 11 has the 1st upstream side
Collector 11a, multiple 1st heat-transfer pipe 11b and the 1st downstream collector 11c.1st upstream side collector 11a and the 1st downstream collection
Pipe 11c is connected with the 1st circulation stream 16.Each the upstream side collector 11a of 1st heat-transfer pipe 11b connections the 1st and the 1st downstream collector
11c.Therefore, from the 1st circulation stream 16 flow into the 1st upstream side collector 11a working media via each 1st heat-transfer pipe 11b and
1st downstream collector 11c is again flowed into the 1st circulation stream 16.
1st expanding machine 12 is arranged at the position in the downstream of the 1st evaporation part 11 in the 1st circulation stream 16.In this implementation
In mode, as the 1st expanding machine 12, using volumetric screw expanding machine, the volumetric screw expanding machine 12 has to be steamed from the 1st
A pair of helical rotors of the expansion energy rotation driving of the working media for the gas phase that hair portion 11 flows out.
1st power recovery machine 13 is connected with the 1st expanding machine 12.In the present embodiment, as the 1st power recovery machine 13,
Use generator.1st power recovery machine 13 has to be connected with the rotor of the side in a pair of helical rotors of the 1st expanding machine 12
Rotary shaft.1st power recovery machine 13 is rotated so as to produce electricity by foregoing rotary shaft with the rotation of said spiral rotor
Power.In addition, as the 1st power recovery machine 13, compressor etc. can also be used.
1st condenser 14 is arranged at the position in the downstream of the 1st expanding machine 12 in the 1st circulation stream 16.1st condenser
Working media is cooled down and it is condensed (liquefaction) by 14 by using cooling medium.As foregoing cooling medium, sea can be enumerated
Water etc..
1st pump 15 is arranged at the position (He of the 1st evaporation part 11 in the downstream of the 1st condenser 14 in the 1st circulation stream 16
Position between 1st condenser 14).The working media of the liquid phase flowed out from the 1st condenser is forced into set pressure by the 1st pump 15
Power is simultaneously transported to the 1st evaporation part 11.As the 1st pump 15, centrifugal pump, gear pump etc. can be used.
2nd power recovery system 20 reclaims the foregoing heating medium (supercharging in the present embodiment, discharged from supercharger 61
Air) heat energy.The structure of 2nd power recovery system 20 is identical with the structure of the 1st power recovery system.That is, the 2nd power recovery
System 20 has the 2nd evaporation part 21, the 2nd expanding machine 22, the 2nd power recovery machine 23, the 2nd condenser 24, the 2nd pump 25 and the 2nd
Circulate stream 26.
2nd evaporation part 21 has the 2nd upstream side collector 21a, multiple 2nd heat-transfer pipe 21b and the 2nd downstream collector 21c.
In the present embodiment, it is provided between the 1st upstream side collector 11a and the 2nd upstream side collector 21a by these upstream side collectors
The partition wall 31a separated between 11a, 21a.Equally, set between the 1st downstream collector 11c and the 2nd downstream collector 21c
There is the partition wall 31c that will separate between these downstreams collector 11c, 21c.
Evaporator shell 30 has the shape for concentrating the 1st evaporation part 11 of storage and the 2nd evaporation part 21.In evaporator shell 30
It is fed with foregoing heating medium.From the heating medium that evaporator shell 30 flows out ship is supplied to after being cooled down using aerial cooler 62
Oceangoing ship engine 63.In addition, the exhaust flowed out from marine engines 63 returns to supercharger 61.
1st is circulated the position and the 2nd between the 1st pump 15 and the 1st evaporation part 11 in stream 16 in upstream side link road 41
Circulate the position connection between the 2nd pump 25 and the 2nd evaporation part 21 in stream 26.Upstream side link road 41 is provided with the 1st to open
Valve closing V1.The 2nd circulation stream 26 in the 2nd circulation stream 26 links the connecting portion and the 2nd pump 25 of stream 41 with upstream side
Between position be provided with the 2nd open and close valve V2.
Downstream link stream 42 by the 1st circulate road 16 in the 1st evaporation part 11 and the 1st expanding machine 12 between position with
The position connection between the 2nd evaporation part 21 and the 2nd expanding machine 22 in 2nd circulation stream 26.Link stream 41 in downstream to set
It is equipped with the 3rd open and close valve V3.The 2nd circulation stream 26 in the 2nd circulation stream 26 links the connecting portion of stream 42 with downstream
And the 2nd position between expanding machine 22 is provided with the 4th open and close valve V4.
Control unit 50 has the 1st operating portion 51, the 2nd operating portion 52, the 3rd operating portion 53 and the 4th operating portion 54.
1st operating portion 51 carries out the state switching from the 1st power recovery system 10 and the driving of the 2nd power recovery system 20
For the operation of the state of only the 1st power recovery system 10 driving.The operation is from the 1st power recovery system 10 and the 2nd power
The state (heating the larger state of the heat of medium) that recovery system 20 drives, i.e. the 1st open and close valve V1 and the 3rd open and close valve V3 are closed
Close, the state that the 2nd open and close valve V2 and the 4th open and close valve V4 are opened starts, and represents to be supplied to the heating medium of evaporator shell 30
The heat of heat reduction is reduced when condition is set up and carried out.In the present embodiment, the 1st operating portion 51 is in the 1st power recovery machine 13
Output and at least one party of output of the 2nd power recovery machine 23 when being less than 1 a reference value, judge that foregoing heat reduces condition
Set up.
1st operating portion 51 makes turn of the rotating speed of the 1st pump 15 and the 2nd pump 25 when foregoing heat reduces condition and set up
After speed declines, or after stopping the 1st pump 15 and the 2nd pump 25, representing in the 1st evaporation part 11 and in the 2nd evaporation part 21
Working media when being changed into evaporation conditionses below given amount and setting up, open the 1st open and close valve V1 and the 3rd open and close valve V3, and
Close the 2nd open and close valve V2 and the 4th open and close valve V4.In the present embodiment, the 1st operating portion 51 is in the 1st circulation stream 16
The height of the liquid level of the working media of the height of the liquid level of the working media of liquid phase and the liquid phase in the 2nd circulation stream 26 is changed into
When more than set value, judge that aforementioned evaporation condition is set up.In addition, by the 1st condenser 14 being arranged in the 1st circulation stream 16
And the 1st liquid level sensor at the 1st position between pump 15, the liquid level of the working media of the liquid phase in the circulation stream 16 of detection the 1st
Height, by be arranged at the 2nd circulation stream 26 in the 2nd condenser 24 and the 2nd pump 25 between position the 2nd liquid level sense
Device 72, detection the 2nd circulate the height of the liquid level of the working media of the liquid phase in stream 26.
2nd operating portion 52 carries out switching to the 1st power recovery system 10 from the state of only the 1st power recovery system 10 driving
And the 2nd power recovery system 20 drive state operation.The operation is in the state driven from only the 1st power recovery system 10
The less state of heat of medium (heating), i.e. the 1st open and close valve V1 and the 3rd open and close valve V3 are opened, the 2nd open and close valve V2 and the
The state that 4 open and close valve V4 are closed starts, and represents to be supplied to the heat increase bar of the heat increase of the heating medium of evaporator shell 30
Part is carried out when setting up.In the present embodiment, the 2nd operating portion 52 exceedes than foregoing 1st base in the output of the 1st power recovery machine 13
When standard is worth 2 big a reference value, judge that foregoing heat increase condition is set up.
2nd operating portion 52 after the rotating speed for making the 1st pump 15 declines or makes the 1st when foregoing heat increase condition is set up
After pump 15 stops, when aforementioned evaporation condition is set up, (height of the liquid level of the working media of the liquid phase in the 1st circulation stream 16 becomes
During to be more than set value), the 1st open and close valve V1 and the 3rd open and close valve V3 is closed, and open the opening and closings of the 2nd open and close valve V2 and the 4th
Valve V4.
3rd operating portion 53 the 1st power recovery system 10 and the 2nd power recovery system 20 driving in, in the 1st recycle stream
Produced between the flow of the flow of the working media flowed in road 16 and the working media flowed in the 2nd circulation stream 26 uneven
In the case of weighing apparatus, carry out correcting the unbalanced operation.Specifically, the 3rd operating portion 53 in the 1st power recovery system 10 and
In the driving of 2nd power recovery system 20, representing only in certain of the 1st power recovery system 10 and the 2nd power recovery system 20
When the flow that the flow of the working media flowed in the circulation stream of the power recovery system of one side declines declines condition establishment, make
The rotating speed of the pump of the power recovery system of aforementioned one side is less than the 1st power recovery system 10 and the 2nd power recovery system 20
The rotating speed of the pump of the power recovery system of the opposing party, and open the 1st open and close valve V1.Thus, returned in the power of foregoing the opposing party
The working media flowed in the circulation stream of receipts system links the power recovery system of the inflow aforementioned one side of stream 41 by upstream side
The circulation stream of system, therefore foregoing unbalanced be corrected.In the present embodiment, the 3rd operating portion 53 is in the 1st liquid level sensor 71
The 1st detected value L1 less than the 1st a reference value La and the 2nd liquid level sensor 72 the 2nd detected value L2 more than the 2nd a reference value Lb when,
Or the 2nd detected value L2 less than the 2nd a reference value Lb and the 1st detected value L1 more than the 1st a reference value La when, judge that aforementioned flow declines
Condition is set up.
4th operating portion 54 (the 1st expanding machine in the 1st power recovery system 10 and the 2nd power recovery system 20 stop
12nd, during the 1st pump 15, the 2nd expanding machine 22 and the 2nd pump 25 stop), the total amount of working media in the 1st circulation stream 16 and
2nd circulation stream 26 in working media total amount between produce it is unbalanced in the case of, carry out correcting the unbalanced operation.
Specifically, the 4th operating portion 54 is in the 1st power recovery system 10 and the 2nd power recovery system 20 stop, and is representing only the
Work in the circulation stream of the power recovery system of the one party of 1 power recovery system 10 and the 2nd power recovery system 20
When the total amount that the total amount of medium declines declines condition establishment, the 1st power recovery system 10 and the 2nd power recovery system 20 are driven
The opposing party power recovery system pump, and open the 1st open and close valve V1.In this way, the power recovery system of foregoing the opposing party
Circulation stream in working media pass through upstream side link stream flow into aforementioned one side power recovery system circulation stream
In, therefore foregoing unbalanced be corrected.In the present embodiment, the 4th operating portion 54 is less than the 1st a reference value in the 1st detected value L1
La and when the 2nd detected value L2 is more than the 2nd a reference value Lb, or the 2nd detected value L2 is less than the 2nd a reference value Lb and the 1st detected value L1
During more than the 1st a reference value La, judge that foregoing total amount declines condition and set up.
Hereinafter, reference picture 2 illustrates to Fig. 5 to the specific control content of each operating portion 51 to 54 of control unit 50.
Fig. 2 represents the control content of the 1st operating portion 51, i.e., from the 1st power recovery system 10 and the 2nd power recovery system
The state of 20 drivings switches to the control flow of the state of only the 1st power recovery system 10 driving.In addition, in the 1st power recovery
The power recovery system 20 of system 10 and the 2nd driving in, the 1st expanding machine 12, the 1st power recovery machine 13, the 2nd expanding machine 22 and
2nd power recovery machine 23 is driven, and the 1st pump 15 and the 2nd pump 25 are driven with rated speed respectively, is supplied and is added into evaporator shell 30
Thermal medium, cooling medium is supplied to the 1st condenser 14 and the 2nd condenser 24, the 1st open and close valve V1 and the 3rd open and close valve V3 are closed
Close, the 2nd open and close valve V2 and the 4th open and close valve V4 are opened.In state (the 1st power recovery system 10 and the 2nd power recovery system
In the driving of system 20) under, the 1st operating portion judges that foregoing heat reduces whether condition sets up (in the present embodiment, the 1st power time
Whether at least one party of the output of receipts machine 13 and the output of the 2nd power recovery machine 23 is less than foregoing 1st a reference value) (step
S11)。
As a result, in the case where foregoing heat reduction condition is invalid, the 1st operating portion 51 judges foregoing heat again
Whether reduction condition is set up.On the other hand, in the case where foregoing heat reduces condition establishment, the 1st operating portion 51 reduces the 1st pump
The rotating speed (step S12) of 15 rotating speed and the 2nd pump 25.Thus, working media is to the 1st evaporation part 11 and the 2nd evaporation part 21
Influx reduce.That is, the evaporation of the working media of the liquid phase in each evaporation part 11,21 is promoted, and from each evaporation part 11,21
The working media of outflow is elapsed to the position between each condenser 14,24 and each pump 15,25 in each circulation stream 16,26.Separately
Outside, continue to supply heating medium to evaporator shell 30 and supply cooling medium to each condenser 14,24.
Then, the 1st operating portion 51 (in the present embodiment, the 1st circulation stream 16 that judges whether aforementioned evaporation condition is set up
In liquid phase working media liquid level height and the 2nd circulation stream 26 in liquid phase working media liquid level height
Whether it is more than set value) (step S13).As a result, in the case where aforementioned evaporation condition is invalid, the 1st operating portion 51
Judge whether aforementioned evaporation condition is set up again.On the other hand, in the case where aforementioned evaporation condition is set up, the 1st operating portion stops
Only the 2nd power recovery system 20 (stopping the 2nd pump 15 and the 2nd expansion valve 22), opens the 1st open and close valve V1 and the 3rd open and close valve
V3, and the 2nd open and close valve V2 and the 4th open and close valve V4 is closed, improve rotating speed (return rated speed) (step of the 1st pump 15
S14)。
Next, control content of the reference picture 3 to the 2nd operating portion 52, the i.e. shape from the driving of only the 1st power recovery system 10
State switches to the 1st power recovery system 10 and the control flow of the state of the 2nd power recovery system 20 driving to illustrate.Separately
Outside, in the driving of only the 1st power recovery system 10, the 1st expanding machine 12 and the 1st power recovery machine 13 drive, and the 1st pump 15 is with volume
Determine rotating speed driving, the 2nd expanding machine 22, the 2nd power recovery machine 23 and the 2nd pump 25 stop, being supplied into evaporator shell 30 respectively
Medium is heated, cooling medium, the 1st open and close valve V1 and the 3rd open and close valve V3 are supplied to the 1st condenser 14 and the 2nd condenser 24
Open, the 2nd open and close valve V2 and the 4th open and close valve V4 are closed.Under the state (in the driving of only the 1st power recovery system 10), the 2nd
Operating portion 52 judges whether foregoing heat increase condition sets up that (in the present embodiment, whether is the output of the 1st power recovery machine 13
More than foregoing 2nd a reference value) (step S21).
As a result, in the case where foregoing heat increase condition is invalid, the 2nd operating portion 52 judges foregoing heat again
Whether increase condition is set up.On the other hand, in the case where foregoing heat increase condition is set up, the 2nd operating portion 53 reduces the 1st pump
15 rotating speed (step S22).Thus, working media is reduced to the influx of the 1st evaporation part 11 and the 2nd evaporation part 21.That is, promote
The evaporation of the working media for the liquid phase entered in each evaporation part 11,21, and elapsed from the working media of each evaporation part 11,21 outflow
Position between the 1st condenser 14 and the 1st pump 15 in the 1st circulation stream 16.In addition, continue to add to the supply of evaporator shell 30
Thermal medium and to each condenser 14,24 supply cooling medium.
Then, the 2nd operating portion 52 (in the present embodiment, the 1st circulation stream 16 that judges whether aforementioned evaporation condition is set up
In the height of liquid level of working media of liquid phase whether be more than set value) (step S23).As a result, in aforementioned evaporation
In the case that condition is invalid, the 2nd operating portion 52 judges whether aforementioned evaporation condition is set up again.On the other hand, in foregoing steaming
In the case that clockwork spring part is set up, the 2nd operating portion 52 closes the 1st open and close valve V1 and the 3rd open and close valve V3, and opens the 2nd opening and closing
Valve V2 and the 4th open and close valve V4, improves the rotating speed (return rated speed) of the 1st pump 15, and the power recovery system 20 of driving the 2nd (is driven
Dynamic 2nd pump 15 and the 2nd expanding machine 22) (step S24).
Then, reference picture 4 is to the control content of the 3rd operating portion 53, i.e., in the 1st power recovery system 10 and the 2nd power
During recovery system 20 drives, flowed in the 1st flow for circulating the working media flowed in stream 16 and in the 2nd circulation stream 26
Working media flow between produce it is unbalanced in the case of, correct the unbalanced control flow and illustrate.3rd operation
Portion 53 judges whether the 1st liquid level sensor 71 in the 1st power recovery system 10 and the driving of the 2nd power recovery system 20
1st detected value L1 is (foregoing more than the 2nd a reference value Lb less than the 2nd detected value L2 of the 1st a reference value La and the 2nd liquid level sensor 72
Flow declines whether condition is set up) (step S31).
As a result, it is less than the feelings of the 1st a reference value La and the 2nd detected value L2 more than the 2nd a reference value Lb in the 1st detected value L1
Under condition, the 3rd operating portion 53 reduces the 1st in a manner of the pressure in the downstream of the pump 25 of pressure ratio the 2nd in the downstream of the 1st pump 15 is small
The rotating speed of pump 15, and open the 1st open and close valve V1 (step S32).Thus, upstream is passed through from the working media of the 2nd pump 25 discharge
Side links stream 41 and flowed into the 1st circulation stream 16.Therefore, it is foregoing unbalanced to be corrected.In addition, circulated by being arranged at the 1st
The pressure sensor 73 at the position between the 1st pump 15 and the 1st evaporation part 11 in stream 16, detect the downstream of the 1st pump 15
Pressure, by be arranged at the 2nd circulation stream 26 in the 2nd pump 25 and the 2nd evaporation part 21 between position pressure sensor 74,
Detect the pressure in the downstream of the 2nd pump 25.
On the other hand, in the case of being no in step S31, the 3rd operating portion 53 judges whether the 2nd detected value L2 less than the
2 a reference value Lb and the 1st detected value L1 are more than the 1st a reference value La (aforementioned flow declines whether condition is set up) (step S33).
As a result, it is less than the feelings of the 2nd a reference value Lb and the 1st detected value L1 more than the 1st a reference value La in the 2nd detected value L2
Under condition, the 3rd operating portion 53 reduces the 2nd in a manner of the pressure in the downstream of the pump 15 of pressure ratio the 1st in the downstream of the 2nd pump 25 is small
The rotating speed of pump 25, and open the 1st open and close valve V1 (step S34).Thus, upstream is passed through from the working media of the 1st pump 15 discharge
Side links stream 41 and flowed into the 2nd circulation stream 26.Therefore, it is foregoing unbalanced to be corrected.In addition, be no in step S33
In the case of, the 3rd operating portion 53 again returns to step S31.
Then, reference picture 5 is to the control content of the 4th operating portion 54, i.e., in the 1st power recovery system 10 and the 2nd power
During recovery system 20 stops, the working media in the total amount of the working media in the 1st circulation stream 16 and the 2nd circulation stream 26
Total amount between produce it is unbalanced in the case of, correct the unbalanced control flow and illustrate.4th operating portion 54 is the 1st
During the power recovery system 20 of power recovery system 10 and the 2nd stops, judging whether the 1st detected value of the 1st liquid level sensor 71
L1 is less than the 2nd detected value L2 of the 1st a reference value La and the 2nd liquid level sensor 72 more than the 2nd a reference value Lb (foregoing total amount declines article
Whether part is set up) (step S41)
As a result, it is less than the situation of the 1st a reference value La and the 2nd detected value L2 more than the 2nd a reference value Lb in the 1st detected value L1
Under, the 4th operating portion 54 opens the 1st open and close valve V1, drives the 2nd pump 25 (step S42).Thus, it is situated between from the work of the 2nd pump 25 discharge
Matter links stream 41 by upstream side and flowed into the 1st circulation stream 16.Therefore, it is foregoing unbalanced to be corrected.
On the other hand, in the case of being no in step S41, the 4th operating portion 54 judges whether the 2nd detected value L2 less than the
2 a reference value Lb and the 1st detected value L1 are more than the 1st a reference value La (foregoing total amount declines whether condition is set up) (step S43).
As a result, it is less than the feelings of the 2nd a reference value Lb and the 1st detected value L1 more than the 1st a reference value La in the 2nd detected value L2
Under condition, the 4th operating portion 54 opens the 1st open and close valve V1, drives the 1st pump 15 (step S44).Thus, from the work of the 2nd pump 15 discharge
Medium links stream 41 by upstream side and flowed into the 2nd circulation stream 26.Therefore, it is foregoing unbalanced to be corrected.In addition, in step
In the case of being no in S43, the 4th operating portion 54 again returns to step S41.
It is as described above, in this heat reclaiming system 1, because the 1st evaporation part 11 and the 2nd evaporation part 21 are accommodated in list
In one evaporator shell 30, therefore compared with the situation that each evaporation part 11,21 is accommodated in special shell respectively, evaporator as a whole
Minimize and when two power recovery systems 10,20 drive (when the heat of heating medium is larger), work is supplied to each evaporation part
Make medium, therefore each evaporation part 11,21 can be utilized effectively to reclaim the heat energy of heating medium, and returned even in the power of a side
When receiving system drive (when the heat of heating medium is smaller), due to the work flowed in the circulation stream of the recovery system in a side
Make medium and working media, therefore profit are supplied to the 1st evaporation part 11 and the both sides of the 2nd evaporation part 21 by upstream side link stream 41
The heat energy of heating medium is effectively reclaimed with these evaporation parts 11,21.In other words, in this heat reclaiming system 1, reach following
Two purposes：Avoid the obvious maximization of evaporator as a whole and the heating is effectively reclaimed according to the variation of the heat of heating medium
The heat energy of medium.
In addition, the 1st operating portion first declines the rotating speed of each pump 15,25, then preceding after heat reduces condition establishment
State and the 1st open and close valve V1 and the 3rd open and close valve V3 is opened when evaporation conditionses are set up, and close the 2nd open and close valve V2 and the 4th open and close valve
V4.Therefore, before each open and close valve V1 to V4 is switched, the working media in each evaporation part 11,21 is changed into below given amount.That is,
Inhibit in each evaporation part 11,21 in the state of the working media of residual such as liquid phase from the 1st power recovery system 10 and
The state of 2nd power recovery system 20 driving switches to the state that only the 1st power recovery system 10 drives.Therefore, it is suppressed that
A part for the working media flowed in 2nd circulation stream 26 links stream 42 via the 2nd evaporation part 21 and downstream and flowed into
In 1st circulation stream 16 (flow of the working media flowed in each circulation stream 16,26 produces deviation).
In addition, the 2nd operating portion 52 first declines the rotating speed of the 1st pump 15, then preceding after heat increase condition is set up
State and the 1st open and close valve V1 and the 3rd open and close valve V3 is opened when evaporation conditionses are set up, and close the 2nd open and close valve V2 and the 4th open and close valve
V4.Therefore, before each open and close valve V1 to V4 is switched, the working media in each evaporation part 11,21 is changed into below given amount.That is,
Inhibit and driven in each evaporation part 11,21 in the state of the working media of residual such as liquid phase from only the 1st power recovery system 10
Dynamic state switches to the state that the 1st power recovery system 10 and the 2nd power recovery system 20 drive.Therefore, it is suppressed that
A part for the working media flowed in 1st circulation stream 16 links stream 42 via the 1st evaporation part 11 and downstream and flowed into
In 2nd circulation stream 26 (flow of the working media flowed in each circulation stream 16,26 produces deviation).
In addition, the 3rd operating portion 53 is when the 1st power recovery system 10 and the 2nd power recovery system 20 drive, foregoing
Flow declines condition when setting up, and makes to be detected under flow in the 1st power recovery system 10 and the 2nd power recovery system 20
The rotating speed of the pump of the side of drop is less than the rotating speed of the pump of the opposing party, and opens the 1st open and close valve V1.Therefore, bar is declined in flow
When part is set up, a part for the working media flowed in the circulation stream of the power recovery system of the opposing party is connected by upstream side
Tie the circulation stream that stream 41 flows into the power recovery system (the power recovery system for the side that detection outflow declines) of a side
In.Therefore, the deviation of the flow of the working media flowed in each circulation stream 16,26 is eliminated.
In addition, the 4th operating portion 54 is when the 1st power recovery system 10 and the 2nd power recovery system 20 stop, foregoing
Total amount declines condition when setting up, drive in the 1st power recovery system 10 and the 2nd power recovery system 20 with detecting total amount
The pump of the opposite side in the side of decline, and open the 1st open and close valve V1.Therefore, when total amount declines condition and set up, another
A part for the working media flowed in the circulation loop of the power recovery system of side links stream 41 by upstream side and flows into one
In the circulation stream of the power recovery system (the power recovery system for detecting the side that total amount declines) of side.Therefore, eliminate
The deviation of the total amount of working media in each circulation stream 16,26.
In addition, embodiment of disclosure is all example in all respects, it is thus understood that is not restricted.The present invention
Scope determined based on the scope of claim, and be not based on the explanation of above-mentioned embodiment, but also be included in and right
It is required that scope equivalence and scope in had altered.
For example, in the above-described embodiment, showing in the step S12 of the control flow of the 1st operating portion 51, make each pump
15th, the example that 25 rotating speed declines, the 1st operating portion 51 stop in step s 12 each pump 15,25.
In addition, the 1st operating portion 51 can also judge into foregoing heat when meeting some important document of ensuing (1) to (3)
Reduction condition is measured to set up.
The working media in the pressure of the working media in the downstream of (1) the 1st evaporation part 11 and the downstream of the 2nd evaporation part 21
At least one party of pressure is less than set value
At least one party of the rotating speed of (2) the 1st pumps 15 and the rotating speed of the 2nd pump 25 is less than set value
(3) load of marine engines 63 is less than set value.
In addition, according to the consumption figure for the fuel for being supplied to marine engines 63, the rotating speed of the marine engines 63, inspection
Survey the load of marine engines 63.
In addition, the 1st operating portion 51 can also be after the rotating speed decline of the rotating speed of the 1st pump 15 and the 2nd pump 25 be made, or make
After 1st pump 15 and the 2nd pump 25 stop, when meeting some important document of ensuing (1) to (4), aforementioned evaporation bar is judged into
Part is set up.
(1) given time is passed through
The pressure of the working media in the pressure of the working media of the upstream side of (2) the 1st evaporation parts 11 and the downstream of the 1st evaporation part 11
The difference of power be set value (such as 5kPa) below
The degree of superheat of the working media in the downstream of (3) the 1st evaporation parts 11 and the working media in the downstream of the 2nd evaporation part 21
The degree of superheat to be more than threshold value (such as 10 DEG C)
(4) it is supplied to the temperature of the working media in the temperature of the heating medium of evaporator shell 30 and the downstream of the 1st evaporation part 11
Difference and be supplied to evaporator shell 30 heating medium temperature and the 2nd evaporation part 21 downstream working media temperature
The poor both sides of degree are below set value.
In addition, foregoing given time is working media in each evaporation part 11,21 be changed into below given amount untill time,
It is the value tried to achieve beforehand through experiment.
In addition, the 2nd operating portion 52 can also judge into foregoing heat when meeting some important document of ensuing (1) to (3)
Increase condition is measured to set up.
The working media in the pressure of the working media in the downstream of (1) the 1st evaporation part 11 and the downstream of the 2nd evaporation part 21
At least one party of pressure exceedes set value
At least one party of the rotating speed of (2) the 1st pumps 15 and the rotating speed of the 2nd pump 25 exceedes set value
(3) load of marine engines 63 exceedes set value.
Description of reference numerals
1 heat reclaiming system；10 the 1st power recovery systems；11 the 1st evaporation parts；12 the 1st expanding machines；13 the 1st power return
Receipts machine；14 the 1st condensers；15 the 1st pumps；16 the 1st circulation streams；20 the 2nd power recovery systems；21 the 2nd evaporation parts；22
2nd expanding machine；23 the 2nd power recovery machines；24 the 2nd condensers；25 the 2nd pumps；26 the 2nd circulation streams；30 evaporator shells；
41 upstream sides link stream；42 downstreams link stream；50 control units；51 the 1st operating portions；52 the 2nd operating portions；53
3 operating portions；54 the 4th operating portions；The open and close valves of V1 the 1st；The open and close valves of V2 the 2nd；The open and close valves of V3 the 3rd；The open and close valves of V4 the 4th.
Claims (6)
- A kind of 1. heat reclaiming system, it is characterised in thatPossesses the 1st power recovery system, the 2nd power recovery system, evaporator shell, upstream side link stream, downstream link stream Road and control unit,Foregoing 1st power recovery system includes the 1st evaporation part, the 1st expanding machine, the 1st power recovery machine, the 1st condenser, the 1st pump And the 1st circulation stream,Foregoing 1st evaporation part evaporates the working media by making heating medium and working media heat exchange,Foregoing 1st expanding machine makes the expanding working medium from the outflow of foregoing 1st evaporation part,Foregoing 1st power recovery machine is connected with foregoing 1st expanding machine,Foregoing 1st condenser makes the working media condensation from the outflow of foregoing 1st expanding machine,Foregoing 1st pump conveys the working media flowed out from foregoing 1st condenser to foregoing 1st evaporation part,Foregoing 1st circulation stream connects foregoing 1st evaporation part, foregoing 1st expanding machine, foregoing 1st condenser and the foregoing 1st Pump,Foregoing 2nd power recovery system includes the 2nd evaporation part, the 2nd expanding machine, the 2nd power recovery machine, the 2nd condenser, the 2nd pump And the 2nd circulation stream,Foregoing 2nd evaporation part makes working media evaporation by making foregoing heating medium and working media heat exchange,Foregoing 2nd expanding machine makes the expanding working medium from the outflow of foregoing 2nd evaporation part,Foregoing 2nd power recovery machine is connected with foregoing 2nd expanding machine,Foregoing 2nd condenser makes the working media condensation from the outflow of foregoing 2nd expanding machine,Foregoing 2nd pump conveys the working media flowed out from foregoing 2nd condenser to foregoing 2nd evaporation part,Foregoing 2nd circulation stream connects foregoing 2nd evaporation part, foregoing 2nd expanding machine, foregoing 2nd condenser and the foregoing 2nd Pump,Forgoing evaporators shell, which is concentrated, stores foregoing 1st evaporation part and foregoing 2nd evaporation part,Foregoing upstream side links stream by the position between foregoing 1st pump in the foregoing 1st circulation stream and foregoing 1st evaporation part Position between foregoing 2nd pump in the foregoing 2nd circulation stream and foregoing 2nd evaporation part is connected,Foregoing downstream links between foregoing 1st evaporation part and foregoing 1st expanding machine that stream is circulated the foregoing 1st in stream Position and the foregoing 2nd position circulated between foregoing 2nd evaporation part and foregoing 2nd expanding machine in stream connect,Foregoing control unit, will be the foregoing 1st in foregoing 1st power recovery system and foregoing 2nd power recovery system drive The working media flowed in circulation stream is transported to foregoing 1st evaporation part, and the work that will be flowed in the foregoing 2nd circulation stream Foregoing 2nd evaporation part is transported to as medium, in certain of only foregoing 1st power recovery system and foregoing 2nd power recovery system During the recovery system driving of one side, by the working media flowed in the circulation stream of the recovery system of a side by foregoing Swim side and link stream, be transported to foregoing 1st evaporation part and foregoing 2nd evaporation part both sides, and will from foregoing 1st evaporation part with And the working media of foregoing 2nd evaporation part outflow links stream by foregoing downstream, is back to the recovery system of aforementioned one side Circulation stream.
- 2. heat reclaiming system as claimed in claim 1, it is characterised in thatThe 1st open and close valve, the 2nd open and close valve, the 3rd open and close valve and the 4th open and close valve are also equipped with,Foregoing 1st open and close valve is arranged at foregoing upstream side and links stream,The 2nd circulation stream that foregoing 2nd open and close valve is arranged in foregoing 2nd circulation stream links stream with foregoing upstream side Position between connecting portion and foregoing 2nd pump,Foregoing 3rd open and close valve is arranged at foregoing downstream and links stream,The 2nd circulation stream that foregoing 4th open and close valve is arranged in foregoing 2nd circulation stream links stream with foregoing downstream Position between connecting portion and foregoing 2nd expanding machine,Foregoing control unit closes the foregoing 1st in foregoing 1st power recovery system and foregoing 2nd power recovery system drive Open and close valve and foregoing 3rd open and close valve, and foregoing 2nd open and close valve and foregoing 4th open and close valve are opened, returned in only foregoing 1st power When receiving system drive, foregoing 1st open and close valve and foregoing 3rd open and close valve are opened, and close foregoing 2nd open and close valve and the foregoing 4th Open and close valve.
- 3. heat reclaiming system as claimed in claim 2, it is characterised in thatForegoing control unit switches to from the state of foregoing 1st power recovery system and foregoing 2nd power recovery system drive During the state of only foregoing 1st power recovery system drive, after the rotating speed and the rotating speed of foregoing 2nd pump for reducing foregoing 1st pump Or after stopping foregoing 1st pump and foregoing 2nd pump, before representing in foregoing 1st evaporation part and in foregoing 2nd evaporation part When stating the evaporation conditionses establishment that working media is changed into below given amount, foregoing 1st open and close valve and foregoing 3rd open and close valve are opened, and And close foregoing 2nd open and close valve and foregoing 4th open and close valve.
- 4. heat reclaiming system as claimed in claim 2 or claim 3, it is characterised in thatForegoing control unit from the state of only foregoing 1st power recovery system drive switch to foregoing 1st power recovery system with And foregoing 2nd power recovery system drive state when, after the rotating speed of foregoing 1st pump is reduced or after stopping foregoing 1st pump, Aforementioned operation medium in foregoing 1st evaporation part of expression and in foregoing 2nd evaporation part is changed into the evaporation article of below given amount When part is set up, close foregoing 1st open and close valve and foregoing 3rd open and close valve and open foregoing 2nd open and close valve and foregoing 4th opening and closing Valve, and drive foregoing 2nd power recovery system.
- 5. heat reclaiming system as claimed in claim 2, it is characterised in thatForegoing control unit is being represented foregoing in foregoing 1st power recovery system and foregoing 2nd power recovery system drive Flowed in the circulation stream of the power recovery system of the one party of 1st power recovery system and foregoing 2nd power recovery system Working media flow decline flow decline condition set up when, make the rotating speed of the pump of the power recovery system of aforementioned one side small In foregoing 1st power recovery system and the rotating speed of the pump of the power recovery system of the opposing party of foregoing 2nd power recovery system, And open foregoing 1st open and close valve.
- 6. heat reclaiming system as claimed in claim 2, it is characterised in thatForegoing control unit declines bar when foregoing 1st power recovery system and foregoing 2nd power recovery system stop in total amount When part is set up, the power recovery system of the opposing party of foregoing 1st power recovery system and foregoing 2nd power recovery system is driven Pump, and open foregoing 1st open and close valve, foregoing total amount declines condition and represented, in foregoing 1st power recovery system and foregoing The total amount of aforementioned operation medium in the circulation stream of the power recovery system of the one party of 2nd power recovery system declines.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-193107 | 2016-09-30 | ||
| JP2016193107A JP2018053862A (en) | 2016-09-30 | 2016-09-30 | Thermal energy recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN107882602A true CN107882602A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710907266.8A Pending CN107882602A (en) | 2016-09-30 | 2017-09-29 | Heat reclaiming system |
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| Country | Link |
|---|---|
| JP (1) | JP2018053862A (en) |
| KR (1) | KR101873692B1 (en) |
| CN (1) | CN107882602A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541772A (en) * | 2018-05-29 | 2019-12-06 | 株式会社神户制钢所 | heat energy recovery device |
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| CN105298568A (en) * | 2015-10-07 | 2016-02-03 | 江曼 | Power generation system and control method thereof |
| CN205349435U (en) * | 2015-12-31 | 2016-06-29 | 天津大学 | Well high temperature heat source flash distillation - organic rankine cycle's hot water cogeneration test system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541772A (en) * | 2018-05-29 | 2019-12-06 | 株式会社神户制钢所 | heat energy recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101873692B1 (en) | 2018-07-02 |
| JP2018053862A (en) | 2018-04-05 |
| KR20180036539A (en) | 2018-04-09 |
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