CN105986954A - Power and refrigeration cogeneration system - Google Patents
Power and refrigeration cogeneration system Download PDFInfo
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- CN105986954A CN105986954A CN201510053445.0A CN201510053445A CN105986954A CN 105986954 A CN105986954 A CN 105986954A CN 201510053445 A CN201510053445 A CN 201510053445A CN 105986954 A CN105986954 A CN 105986954A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Abstract
An embodiment of the invention discloses a power and refrigeration cogeneration system. The power and refrigeration cogeneration system comprises a wave power generation device, an ocean current power generation device, an ocean thermal energy conversion and solar energy combined power generation subsystem and a refrigeration subsystem. The ocean thermal energy conversion and solar energy combined power generation subsystem comprises a solar thermal collector, the wave power generation device is connected with a first water pump of the ocean thermal energy conversion and solar energy combined power generation subsystem, and the solar thermal collector absorbs solar energy to perform superheat treatment on a working medium of the ocean thermal energy conversion and solar energy combined power generation subsystem. The ocean current power generation device is connected with a second water pump of the ocean thermal energy conversion and solar energy combined power generation subsystem. A cold water output end of a first condenser is connected with an input end of a second condenser of the refrigeration subsystem. The power and refrigeration cogeneration system has advantages that the water pumps are powered by wave energy and ocean current energy, and ocean thermal energy and solar energy are adopted for thermal collection and power generation, so that electricity consumption and energy consumption of the power and refrigeration cogeneration system are greatly reduced.
Description
Technical field
The present invention relates to new forms of energy power and refrigeration cogeneration technical field, more particularly, it relates to one is based on ocean
The power and refrigeration cogeneration system that thermal gradient energy-solar association drives.
Background technology
Along with sustainable growth and the economic fast development of population, coal-fired, natural gas and oil etc. can not be again
The reproducible environmental protection such as the raw energy is facing depleted crisis, and ocean energy, solar energy, wind energy
The energy is receiving publicity and is promoting.Ocean energy in regenerative resource is to utilize the occupation of land ball gross area to reach 70%
Ocean provide, solar energy is then one of currently used most commonly used energy.
But, Island refrigeration of powering still relies on traditional energy, and power supply cost is high, and generating capacity
Limited, the most not yet find the power and refrigeration cogeneration system utilizing reproducible new forms of energy to be powered.
Summary of the invention
In view of this, the present invention provides a kind of power and refrigeration cogeneration system, to realize utilizing ocean energy and solar energy
Two kinds of renewable sources of energy are driven the technical purpose of power and refrigeration cogeneration system.
A kind of power and refrigeration cogeneration system, including: wave energy generating set, ocean current energy generator, ocean temperature
Difference-solar combined power generating subsystem and refrigeration subsystem, described ocean thermal gradients-solar combined power generating subsystem
System includes that solar thermal collector is wherein:
Described wave energy generating set and the first water pump of described ocean thermal gradients-solar combined power generating subsystem
Connecting, and provide electric energy for described first water pump, described first water pump is for described ocean thermal gradients-sun
Water on the preheater of energy cogeneration subsystem；
Described solar thermal collector absorbs solar energy to described ocean thermal gradients-solar combined power generating subsystem
Working medium carries out Overheating Treatment；
Described ocean current energy generator and the second water pump of described ocean thermal gradients-solar combined power generating subsystem
Connecting, and provide electric energy for described second water pump, described second water pump is for described ocean thermal gradients-sun
Water on first condenser of energy cogeneration subsystem；
The cold water outfan of described first condenser and the input of the second condenser of described refrigeration subsystem
Connect.
Preferably, described ocean thermal gradients-solar combined power generating subsystem includes: preheater, steam turbine,
Electromotor, regenerator, the first condenser and working medium pump, wherein:
Described solar thermal collector is connected with described steam turbine, and described steam turbine acting output is to described
Electromotor；
Described steam turbine saturated vapor outfan is connected with described regenerator；
Liquid refrigerant outfan in described first condenser is connected with described working medium pump input；
The exhaust steam that in regenerator, steam turbine is flowed out flows out the working medium heat exchange of described first condenser after being condensed
After, the working medium after this heat exchange is condensed into liquid refrigerant by described deep-sea cold water and is back in described preheater；
The outfan of described first condenser inputs with the Mare Frigoris water of the second condenser of described refrigeration subsystem
End connects.
Preferably, described refrigeration subsystem includes: the second condenser, expansion valve, vaporizer, compressor
And refrigeration consumer, wherein:
In described second condenser, high-temperature high-pressure refrigerant steam condensate is turned to the refrigeration of normal temperature high voltage
Agent liquid；
The refrigerant liquid delivery outlet of described normal temperature high voltage is connected with described expansion valve；
The outfan of described expansion valve is connected with the input of described vaporizer；
The outfan of described vaporizer is connected with the input of described compressor.
Preferably, described wave energy generating set includes floater power generator, commutator, accumulator and inversion
Device, wherein:
Described floater power generator is connected with described commutator, described commutator respectively with described accumulator and institute
Stating inverter to connect, described inverter is connected with the electrical input of described first water pump.
Preferably, described ocean current energy generator includes water wheels machine driving generator, commutator, accumulator
And inverter, wherein:
Described water wheels machine driving generator is connected with described commutator, described commutator respectively with described electric power storage
Pond and described inverter connect, and described inverter is connected with the electrical input of described first water pump.
Preferably, ocean thermal gradients-solar combined power generating subsystem is ammonia working medium ocean thermal gradients-solar association
Power generation sub-system.
Preferably, described first water pump is temperature sea water pump.
Preferably, described second water pump is deep-sea water pump.
From above-mentioned technical scheme it can be seen that embodiment of the present invention power and refrigeration cogeneration system utilize wave energy and
Energy by ocean current provides electric power for water pump, greatly reduces power consumption, the energy loss of power and refrigeration cogeneration system, with
Time, described system utilizes solar energy to carry out thermal-arrest generating, regenerates further with this cleaning of solar energy
The energy.This secondary system utilizes deep layer Mare Frigoris water, utilizes the temperature ratio flowed out from the first condenser relatively low
Described in Mare Frigoris water-driven, refrigeration subsystem carries out kind of refrigeration cycle, and the cold of generation can be offshore platform
Refrigeration, meets platform air conditioning system and islander's air conditioner refrigerating, reduces energy consumption largely.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of power and refrigeration cogeneration system structure schematic diagram disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the invention discloses a kind of power and refrigeration cogeneration system, to realize utilizing ocean energy and solar energy two
Plant the renewable sources of energy and be driven the technical purpose of power and refrigeration cogeneration system.
Fig. 1 shows a kind of power and refrigeration cogeneration system, including:
Wave energy generating set 1, ocean current energy generator 10, ocean thermal gradients-solar combined power generating subsystem
System 21 and refrigeration subsystem 22, described ocean thermal gradients-solar combined power generating subsystem 21 includes solar energy
Heat collector 4, wherein:
Described wave energy generating set 1 and the first of described ocean thermal gradients-solar combined power generating subsystem 21
Water pump 2 connects, and provides electric energy for described first water pump 2, and described first water pump 2 is for described sea
Water on the preheater 3 of the ocean temperature difference-solar combined power generating subsystem 21；
Described solar thermal collector 4 absorbs solar energy to described ocean thermal gradients-solar combined power generating subsystem
The working medium of 21 carries out Overheating Treatment；
Described ocean current energy generator 10 and the second water of ocean thermal gradients-solar combined power generating subsystem 21
Pump 11 connects, and provides electric energy for described second water pump 11, and described second water pump 11 is for described sea
Water on first condenser of the ocean temperature difference-solar combined power generating subsystem 21；
The cold water outfan of described first condenser 8 and the second condenser 12 of described refrigeration subsystem 22
Input connect.
It should be noted that as preferably, described first water pump is temperature sea water pump；Described second water pump is
Deep-sea water pump.
Described power and refrigeration cogeneration system is the energy source as thermal source with sea surface temperature sea water and solar energy, with deeply
Sea water is low-temperature receiver, uses organic working medium generating, realizes heat to power output by organic working medium rankine cycle, and
Drawing generator generates electricity, and drives source, ocean heat pump to carry out kind of refrigeration cycle with deep sea water for low-temperature receiver.Described system
Refrigeration subsystem secondary utilizes deep layer Mare Frigoris water, utilizes from the temperature of condenser outflow than relatively low Mare Frigoris water system
SAPMAC method, the cold refrigeration of generation.Take full advantage of that the energy of solar energy and ocean energy is renewable and cleaning
The characteristic of environmental protection, carries out the co-operation that generates electricity and freeze.
As preferably, this specification embodiment has indicated described ocean thermal gradients-solar association in FIG
Power generation sub-system and the implementation of described refrigeration subsystem, and it practice, every can utilize this kind knot
Structure and the system of functional realiey power and refrigeration cogeneration, all in the application protection domain, this Fig. 1 illustrates not office
It is limited to enumerate form.
Ocean thermal gradients-solar combined power generating subsystem 21 includes: the first water pump 2, preheater 3, thermal-arrest
Device 4, steam turbine 5, electromotor 6, regenerator the 7, first condenser 8, working medium pump 9 and the second water pump
11, wherein:
Described solar thermal collector 4 is connected with described steam turbine 5, and described steam turbine 5 is done work output
To described electromotor 6；
Described steam turbine 6 saturated vapor outfan is connected with described regenerator 5；
Liquid refrigerant outfan in described first condenser 8 is connected with described working medium pump 9 input；
The exhaust steam that in regenerator 7, steam turbine is flowed out flows out the working medium of described first condenser 8 after being condensed
After heat exchange, the working medium after this heat exchange is condensed into liquid refrigerant by described deep-sea cold water and is back to described preheater 3
In；
The outfan of described first condenser 8 and the Mare Frigoris water of the second condenser of described refrigeration subsystem 22
Input connects.
Below as a example by ammonia working medium, the evaporating temperature using circulation is 70 DEG C, and evaporating pressure is 1.85Mpa,
Condensation temperature is 10 DEG C, and condensing pressure is 0.615Mpa, and circulation process is described.But working medium and pressure are not
Being confined to enumerate form, the operation principle of described ocean thermal gradients-solar combined power generating subsystem 21 is as follows:
1, the ammonia saturated solution of about 10 DEG C by described working medium pump 9 improve pressure to more than 1.85Mpa send into institute
State preheater 3.
2, liquefied ammonia can in described preheater 3 by the heating of seawater to 22 DEG C of ocean surface about 25 DEG C with
On.
3, more than the 22 DEG C liquefied ammonia flowed out from described preheater 3 enter described solar thermal collector 4, enter one
Step is heated.Through pervaporation, overheated under the pressure of about 1.85Mpa.Use focusing-type solar energy thermal-arrest
Ammonia can be superheated to more than 70 DEG C by device.
4, the overheated ammonia entrance from about 70 DEG C of the outflow of described solar thermal collector 4,1.85Mpa is described
Steam turbine 5, promotes described steam turbine 5 to rotate acting output, and this power can be by described electromotor 6
It is converted into electric power output.
After described steam turbine 5, the pressure of ammonia is reduced to about 0.615Mpa, ideally, temperature
10 DEG C can be dropped to, become saturated vapor.
5, the saturated vapor discharged by described steam turbine 5, flows out the after entering described regenerator 7 and being condensed
After less than 10 DEG C liquefied ammonia heat exchange of one condenser 8, it is taken from the sea water of bathypelagic less than 500 meters 5 DEG C
It is condensed into the liquefied ammonia of less than 10 DEG C.
6, less than the 10 DEG C liquefied ammonia flowed out from described first condenser 8 are sent into institute by working medium pump 9 (ammonia pump)
Stating in regenerator 7, it is full that the saturated vapor of 10 DEG C discharged by described steam turbine 5 is heated to close to 10 DEG C
And liquid, after be sent in described preheater 3, thus complete power generation cycle process, it is achieved the electricity of system
Power exports.
This ocean thermal gradients-solar combined power generating subsystem 21 adds regenerator 7, owing to working medium is entering in advance
Before hot device, in regenerator, absorb the heat of saturated vapor of 10 DEG C discharged from steam turbine, after
It is sent in preheater 3, under conditions of same power exports, the ocean thermal energy of band regenerator 7-too
The caloric receptivity of sun energy combined thermal power generating system circulation decreases, thus improves the thermal efficiency of blood circulation.
Described refrigeration subsystem 22 includes: the second condenser 12, expansion valve 13, vaporizer 14, compression
Machine 15 and refrigeration consumer 16, wherein:
High-temperature high-pressure refrigerant steam condensate is turned to the refrigeration of normal temperature high voltage by described second condenser 12
Agent liquid；
The refrigerant liquid delivery outlet of described normal temperature high voltage is connected with described expansion valve 13；
The outfan of described expansion valve 13 is connected with the input of described vaporizer 14；
The outfan of described vaporizer 14 is connected with the input of described compressor 15.
Accept the operation principle label of ocean thermal gradients-solar combined power generating subsystem 21, described refrigeration subsystem
The operation principle of system 22 is as follows:
7, the Mare Frigoris water of about 8 DEG C flowed out from the first condenser 8, is flowed in refrigeration subsystem 22
In second condenser 12, by high-temperature high-pressure refrigerant steam condensate, become the cold-producing medium of normal temperature high voltage
Liquid, after enter sea.
8, it is condensed into the refrigerant liquid of normal temperature high voltage, is sent in described expansion valve 13 by working medium pump
Reducing pressure by regulating flow, becomes the refrigerant liquid of normal temperature and pressure, and the described vaporizer 14 of rear inflow absorbs outside heat
Flash to gaseous state.Described compressor 15 compressor takes gaseous refrigerant from described vaporizer 14, then adds
Pressure, becoming can the high-pressure refrigerant of condensation liquefaction at normal temperatures.Realize kind of refrigeration cycle.
Described wave energy generating set 1 (seeing Fig. 1 diagram, be no longer specifically identified) include floater power generator,
Commutator, accumulator and inverter, wherein:
Described floater power generator is connected with described commutator, described commutator respectively with described accumulator and institute
Stating inverter to connect, described inverter is connected with the electrical input of described first water pump.
At whole cyclic process, temperature sea water pump power consumption, wave energy generating set provide electric power.Wave
Can include that the float promoted by wave energy drives electromotor to be connected with commutator by TRT, commutator is with little
Capacity battery group and inverter are joined directly together, and inverter is connected with temperature sea water pump, directly carry for temperature sea water pump
For electric energy.
On the one hand described accumulator helps water priming of pump, on the other hand meets the need of rips period water supply
Want.When wave energy is stronger, the part in the electric energy that can be sent by wave energy generator is stored in accumulator
In, i.e. accumulator charging；When wave energy more weak or calm time, with the electric energy that is stored in accumulator to load
Power supply, with supply wave energy generator generated electricity energy deficiency.Described inverter can straight by 12V or 24V
Stream electricity is converted into 230V, 50Hz alternating current or other type of alternating current.
Described ocean current energy generator 10 (seeing Fig. 1 diagram, be no longer specifically identified) including: the hydraulic turbine
Drive electromotor, commutator, accumulator and inverter, wherein:
Described water wheels machine driving generator is connected with described commutator, described commutator respectively with described electric power storage
Pond and described inverter connect, and described inverter is connected with the electrical input of described first water pump.
Described deep sea water pump power consumption is bigger, ocean current energy generator provide required electric power.Ocean current
Can include that the water wheels machine driving generator promoted by tide under water, ocean current is connected with commutator by TRT,
Commutator is joined directly together with low capacity accumulator battery and inverter, and inverter is connected with deep layer water pump, directly
Electric energy is provided for deep sea water pump.
On the one hand described accumulator helps water priming of pump, on the other hand meets what the invalid ocean current period supplied water
Need.When ocean current is stronger, the part in the electric energy that can be sent by energy by ocean current electromotor is stored in electric power storage
Chi Zhong, i.e. accumulator charging；When ocean current is more weak or without ocean current, with the electric energy being stored in accumulator to negative
Lotus is powered, with supply energy by ocean current electromotor generated electricity can deficiency.Described inverter can be by 12V's or 24V
Unidirectional current is converted into 230V, 50Hz alternating current or other type of alternating current.
Described power and refrigeration cogeneration secondary system utilizes deep layer Mare Frigoris water, utilizes the temperature flowed out from condenser to compare
Low Mare Frigoris water-driven seawater source heat pump system carries out kind of refrigeration cycle, and the cold of generation can be offshore oil
Platform freezes, and meets the air conditioning system on platform and life air conditioner refrigerating, reduces energy consumption for cooling.
Utilize wave energy, ocean current energy generator to provide electric power for circulating pump simultaneously, be substantially reduced station service,
Improve the efficiency of ocean thermal energy-solar combined power generating system.Thus improve the function of whole system
Property.
In sum:
Embodiment of the present invention power and refrigeration cogeneration system utilizes wave energy and energy by ocean current to provide electric power for water pump, significantly
Reducing power consumption, the energy loss of power and refrigeration cogeneration system, meanwhile, described system utilizes solar energy to carry out
Thermal-arrest generates electricity, further with these cleaning renewable sources of energy of solar energy.This secondary system utilizes deep layer cold
Sea water, utilizes the temperature flowed out from the first condenser to enter than refrigeration subsystem described in relatively low Mare Frigoris water-driven
Row kind of refrigeration cycle, the cold of generation can be offshore platform refrigeration, meets platform air conditioning system and sea
Island resident's air conditioner refrigerating, reduces energy consumption largely.
It should be noted that in this manual, the relational terms of such as first and second or the like is only
Be used for by an entity or operation separate with another entity or operating space, and not necessarily require or
Imply relation or the order that there is any this reality between these entities or operation.And, term " bag
Include ", " comprising " or its any other variant be intended to comprising of nonexcludability, so that include one
The process of list of elements, method, article or equipment not only include those key elements, but also include not having
Other key elements being expressly recited, or also include being consolidated by this process, method, article or equipment
Some key elements.In the case of there is no more restriction, statement " including ... " key element limited, and
It is not precluded within and includes the process of described key element, method, article or equipment there is also other identical want
Element.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
Seeing, generic principles defined herein can be in the spirit or scope without departing from the embodiment of the present invention
In the case of, realize in other embodiments.Therefore, the embodiment of the present invention is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (8)
1. a power and refrigeration cogeneration system, it is characterised in that including: wave energy generating set, energy by ocean current generate electricity
Device, ocean thermal gradients-solar combined power generating subsystem and refrigeration subsystem, described ocean thermal gradients-solar energy
Cogeneration subsystem includes solar thermal collector, wherein:
Described wave energy generating set and the first water pump of described ocean thermal gradients-solar combined power generating subsystem
Connecting, and provide electric energy for described first water pump, described first water pump is for described ocean thermal gradients-sun
Water on the preheater of energy cogeneration subsystem；
Described solar thermal collector absorbs solar energy to described ocean thermal gradients-solar combined power generating subsystem
Working medium carries out Overheating Treatment；
The second of described ocean current energy generator and described ocean thermal gradients-solar combined power generating subsystem pump forever
Connecting, and provide electric energy for described second water pump, described second water pump is for described ocean thermal gradients-sun
Water on first condenser of energy cogeneration subsystem；
The cold water outfan of described first condenser and the input of the second condenser of described refrigeration subsystem
Connect.
2. power and refrigeration cogeneration system as claimed in claim 1, it is characterised in that described ocean thermal gradients-sun
Can cogeneration subsystem include: preheater, steam turbine, electromotor, regenerator, the first condenser and
Working medium pump, wherein:
Described solar thermal collector is connected with described steam turbine, and described steam turbine acting output is to described
Electromotor；
Described steam turbine saturated vapor outfan is connected with described regenerator；
Liquid refrigerant outfan in described first condenser is connected with described working medium pump input；
The exhaust steam that in regenerator, steam turbine is flowed out flows out the working medium heat exchange of described first condenser after being condensed
After, the working medium after this heat exchange is condensed into liquid refrigerant by described deep-sea cold water and is back in described preheater；
The outfan of described first condenser inputs with the Mare Frigoris water of the second condenser of described refrigeration subsystem
End connects.
3. power and refrigeration cogeneration system as claimed in claim 1, it is characterised in that described refrigeration subsystem includes:
Second condenser, expansion valve, vaporizer, compressor and refrigeration consumer, wherein:
In described second condenser, high-temperature high-pressure refrigerant steam condensate is turned to the refrigeration of normal temperature high voltage
Agent liquid；
The refrigerant liquid delivery outlet of described normal temperature high voltage is connected with described expansion valve；
The outfan of described expansion valve is connected with the input of described vaporizer；
The outfan of described vaporizer is connected with the input of described compressor.
4. power and refrigeration cogeneration system as claimed in claim 1, it is characterised in that described wave energy generating set
Including floater power generator, commutator, accumulator and inverter, wherein:
Described floater power generator is connected with described commutator, described commutator respectively with described accumulator and institute
Stating inverter to connect, described inverter is connected with the electrical input of described first water pump.
5. power and refrigeration cogeneration system as claimed in claim 1, it is characterised in that described ocean current energy generator
Including water wheels machine driving generator, commutator, accumulator and inverter, wherein:
Described water wheels machine driving generator is connected with described commutator, described commutator respectively with described electric power storage
Pond and described inverter connect, and described inverter is connected with the electrical input of described first water pump.
6. power and refrigeration cogeneration system as claimed in claim 1, it is characterised in that ocean thermal gradients-solar united
Closing power generation sub-system is ammonia working medium ocean thermal gradients-solar combined power generating subsystem.
7. power and refrigeration cogeneration system as claimed in claim 1, it is characterised in that described first water pump is temperature
Sea water pump.
8. power and refrigeration cogeneration system as claimed in claim 1, it is characterised in that described second water pump is deep
Sea water pump.
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| CN201510053445.0A CN105986954B (en) | 2015-01-28 | 2015-01-28 | A kind of power and refrigeration cogeneration system |
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| CN201510053445.0A CN105986954B (en) | 2015-01-28 | 2015-01-28 | A kind of power and refrigeration cogeneration system |
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