CN108317058A - A kind of heat source of temperature difference driving utilizes system - Google Patents
A kind of heat source of temperature difference driving utilizes system Download PDFInfo
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- CN108317058A CN108317058A CN201810261660.3A CN201810261660A CN108317058A CN 108317058 A CN108317058 A CN 108317058A CN 201810261660 A CN201810261660 A CN 201810261660A CN 108317058 A CN108317058 A CN 108317058A
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- 238000005381 potential energy Methods 0.000 claims abstract description 218
- 238000003860 storage Methods 0.000 claims abstract description 69
- 230000009466 transformation Effects 0.000 claims abstract description 29
- 239000000126 substance Substances 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000002918 waste heat Substances 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 35
- 239000012071 phase Substances 0.000 claims description 35
- 238000010248 power generation Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 239000012809 cooling fluid Substances 0.000 claims description 5
- 239000002028 Biomass Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000013535 sea water Substances 0.000 claims description 3
- 239000002352 surface water Substances 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 3
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 9
- 239000006227 byproduct Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005138 cryopreservation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- 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
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of heat sources of temperature difference driving to utilize system, including high potential energy storage device, low-potential energy storage device and at least one Temperature difference driving device, and the potential energy medium of low-potential energy state is stored in low-potential energy storage device；The potential energy medium of low-potential energy state is converted to the potential energy medium of high potential energy state after Temperature difference driving device does work and is stored in the high potential energy storage device；The potential energy medium being stored in high potential energy storage device is subjected to energy conversion or release by the modes such as generating electricity or driving, the potential energy change of medium of high potential energy state is made to be the potential energy medium of low-potential energy state and be stored in low-potential energy storage device；It is directly acted on phase-change working substance by using waste heat heat source and brings it about gas-liquid phase transition or PVT transformation, complete thermal energy potential energy electric energy or the energy conversion of other form of energy, not only the temperature utilization scope of centering cryogenic waste heat resource had been expanded, but also has substantially increased the utilization ratio of centering cryogenic waste heat resource.
Description
Technical field
The present invention relates to middle low-temperature heat source evaluation and exploration technology fields, and in particular to a kind of heat source utilization of temperature difference driving
System.
Background technology
Waste heat overbottom pressure utilizing works are China《Energy saving Long-and Medium-term Development ad hoc planning》In ten big emphasis energy conservation projects it
One.At present in the every field of China's industry there are a large amount of cryogenic waste heat resource (250 DEG C hereinafter, low pressure or normal pressure), by
In lacking effective technological means without being fully used, the running parameter of conventional electric power generation technology is mostly high parameter, big
Capacity, can not more be disperseed but the huge energy of total amount using this part.
The generation engineering technology that current main middle low-temperature heat source utilizes is being passed using organic rankie cycle
Water is replaced to push turbine acting using organic working medium in system Rankine cycle.Low-pressure liquid organic working medium is after working medium pump is pressurized
After being changed into high pressure high temperature vapor into preheater, evaporator absorption heat, high temperature and pressure organic working medium steam pushes turbine
Machine does work, and generates energy output, and the low-pressure steam of turbine outlet enters condenser, to low-temperature heat source heat release and is condensed into liquid
State, so on circulate.Its waste heat supply temperature utilization scope is about：80-250 DEG C, the form of waste heat：Flue gas, steam, hot water are existing
The application that technology can extend is：Geothermal utilization, Solar use, biomass energy etc..The equipment mainly used is turbine, spiral shell
The steam drives equipment such as bar expanding machine, scroll expansion machine.
But the technology still has the problems such as the thermal efficiency is low, and input and output are uneconomical, does not obtain on a large scale
It promotes and applies.Therefore, continual exploitation is novel, efficient middle-low temperature heat utilization technology, for improving China's energy utilization rate, section
Energy emission reduction, environmental protection have great importance.
Invention content
The present invention for the utilization of existing centering low-temperature heat source that there are the thermals efficiency is low, and input and output are uneconomical the problems such as, carry
It has supplied a kind of heat source of temperature difference driving to utilize system, has improved the output of the efficient utilization rate and heat source of centering cryogenic waste heat resource
Ability.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
On the one hand, the present invention provides a kind of heat sources of temperature difference driving to utilize system, and the system comprises high potential energy storages
Cryopreservation device, low-potential energy storage device and at least one Temperature difference driving device, the Temperature difference driving device are equipped with temperature tune
Regulating device, the Temperature difference driving device is connect with the high potential energy storage device and low-potential energy storage device respectively, described
The potential energy medium of low-potential energy state is stored in low-potential energy storage device；
The Temperature difference driving device is adjusted into trip temperature by the temperature-adjusting device, makes low-potential energy storage device
In low-potential energy situation energy medium enter Temperature difference driving device, the potential energy medium of low-potential energy state does work through Temperature difference driving device
The potential energy medium of high potential energy state is converted to afterwards and is stored in the high potential energy storage device；The high potential energy storage will be stored in
The energy that potential energy medium in device is generated electricity by potential energy or driving device is generated electricity or driven is converted or release, makes high potential energy
The potential energy change of medium of state is the potential energy medium of low-potential energy state and is stored in the low-potential energy storage device.
The temperature-adjusting device includes the heating device and cooling device acted on the Temperature difference driving device, institute
It includes heat supply pipeline and heat source to state heating device, and the heat supply pipeline is connect with the heat source and Temperature difference driving device respectively；
The cooling device includes cooling pipeline and low-temperature receiver, and the cooling pipeline connects with the low-temperature receiver and Temperature difference driving device respectively
It connects.
The heat source is the exhaust steam in steam turbine heat source for making the Temperature difference driving device driving potential energy medium acting, through boiler
The heat sources of the heat exchange such as flue gas and lime-ash, geothermal heat source, biomass heat source, the air for having certain temperature, condenser or heat pipe
In hot junction, the waste heat heat source of fossil energy engine, solar water, warm ocean current, warm river and lake or extra large surface water
One or more of combinations.
The low-temperature receiver be room temperature or water at low temperature, liquid gas vaporization when discharge cold energy, cold air, evaporator or heat pipe it is cold
The combination at end and one or more of deep sea water fluid low-temperature receiver.
The potential energy medium can be solid elastic device, such as spring, or liquid or gas.
The Temperature difference driving device includes phase transformation cylinder and driving cylinder, and the driving cylinder is connected with the phase transformation cylinder, institute
It states driving cylinder and is equipped with potential energy medium inlet and potential energy media outlet, the potential energy medium inlet is conveyed by low-potential energy state medium
Path is connect with the low-potential energy storage device, and the potential energy media outlet passes through high potential energy state media conveying path and the height
Potential energy storage device connects, and a piston is equipped in the driving cylinder, phase-change working substance, the heating device are equipped in the phase transformation cylinder
It is connect respectively with the phase transformation cylinder with cooling device；
The cooling device brings it about phase transformation to phase-change working substance cooling, and the piston is fallen after rise, while the low gesture
Potential energy medium in energy storage device is entered by low-potential energy state media conveying path in the driving cylinder；The heating device is to institute
Stating phase-change working substance heating makes it and undergoes phase transition, and phase-change working substance drives the piston movement, makes to enter the gesture in the driving cylinder
Energy medium, which is changed by low-potential energy state after high potential energy state, to be stored up by the high potential energy state media conveying path into the high potential energy
In cryopreservation device.
Multiple Temperature difference driving devices, the phase transformation cylinder on each Temperature difference driving device are equipped in the system
It is concatenated by hot-fluid connection pipeline, each hot-fluid connection pipeline is equipped with the fluid storage tank communicated therewith；The first temperature
The phase transformation cylinder of the poor driving device of degree is connect with the heat source, the liquid-gas phase transition temperature edge of the phase-change working substance in each phase transformation cylinder
Heating fluid flow direction reduces successively.
Fluid in the hot-fluid connection pipeline is directly heated by heating equipment or carries out heat exchange heating by heat pipe.
The temperature after cooling fluid heat absorption in the Temperature difference driving device before heating fluid flow direction
When more than heating fluid temperature (F.T.) in the subsequent Temperature difference driving device in heating fluid flow direction, by the temperature
The cooling fluid exported in poor driving device is concatenated with the heating fluid formation in the Temperature difference driving device behind.
Technical solution of the present invention has the following advantages that：
A. the present invention is adjusted the phase-change working substance in phase transformation cylinder into trip temperature by temperature-adjusting device, and phase-change working substance is made to send out
Raw phase transformation simultaneously drives piston to do work the low-potential energy situation energy medium by entering driving cylinder in low-potential energy storage device, low-potential energy state
Potential energy medium the potential energy medium of high potential energy state is converted to after Temperature difference driving device does work and be stored in high potential energy storage dress
In setting；By the potential energy medium being stored in high potential energy storage device by the modes such as generating electricity or driving carry out energy conversion or release
It puts, temperature-adjusting device therein uses existing middle low-temperature heat source, and being directly acted on phase-change working substance by heat source makes its hair
Life-liquid phase becomes, and completes energy conversion, relative to the Land use systems of traditionally centering low-temperature heat source, reduces in energy conversion
Between link and energy conversion loss, substantially increase the utilization ratio of centering cryogenic waste heat resource.
B. multiple Temperature difference driving devices are arranged in thermal energy-potential energy converting system in the present invention, are driven according to each temperature difference
Heating fluid temperature (F.T.) situation in device phase transformation cylinder can select the phase-change working substance of different types of suitable different temperatures range,
It is divided into level-one or even multi-step temperature difference carries out level-one or even the driving of multi-step temperature difference, expands the temperature utilization scope of heat source, it can
More to absorb energy possessed by the especially middle low-temperature heat source of heat source, the utilization of middle low-temperature heat source is made more economically to have
Effect.
C. the heat source in the present invention is after one or more levels Temperature difference driving device carries out absorption energy, temperature drop
Low, the fluid after heat absorption can be used as byproduct, be applied to industry, the agriculturals such as cooling or cooling, central air-conditioning, storage freezer
Or the fields such as Life service industry.If thermal power plant using the present invention, when associated hot measure fully absorb using and by absorption heat
In the case that heat source afterwards is converted to the low-temperature receiver of sufficient amount, the energy that can not only make thermal power plant's cooling tower lost obtains adequately
Utilize, existing cooling tower facility can not also be used to obtain low-temperature receiver, largely increase generated energy, save power generation at
This.
D. present system can be used not only for thermal power plant's cogeneration, and geothermal Power Station power generation can be also used for air pressure drive
The fields such as dynamic engine, spring potential energy Mechanical Driven engine, and the industries such as new-energy automobile are promoted the use of, application prospect is very wide
It is wealthy.
Description of the drawings
It, below will be to required use in specific implementation mode in order to illustrate more clearly of the specific implementation mode of the present invention
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, other figures are can also be obtained according to these attached drawings.
Fig. 1 is that the thermal energy provided by the present invention driven using temperature difference-potential energy conversion carries out waterpower or the driving of other potential energy
Or the heat source of power generation utilizes system.
It is identified in figure as follows：
1- Temperature difference driving devices
11- phase transformation cylinders
12- driving cylinders
121- potential energy medium inlet, 122- potential energy media outlets
13- pistons
14- phase-change working substances
2- high potential energy storage devices；3- low-potential energy storage devices
4- temperature-adjusting devices
41- heating devices
411- heat supply pipelines, 412- heat sources
42- cooling devices
421- cooling pipelines, 422- low-temperature receivers
5- potential energy media；6- low-potential energy state media conveying paths；7- high potential energy state media conveying paths；8- hot-fluid connection pipes
Road
9- fluid storage tanks；10- potential energy generates electricity or driving device；20- control valves.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of heat sources of temperature difference driving to utilize system, including high potential energy storage device
2, low-potential energy storage device 3 and at least one Temperature difference driving device 1 are equipped with temperature adjusting dress on Temperature difference driving device 1
4 are set, Temperature difference driving device 4 is connect with high potential energy storage device 2 and low-potential energy storage device 3 respectively, low-potential energy storage device 3
In be stored with the potential energy medium 5 of low-potential energy state；Temperature difference driving device 1 is adjusted into trip temperature by temperature-adjusting device 4.Its
In Temperature difference driving device 1 include phase transformation cylinder 11 and driving cylinder 12, driving cylinder 12 is connected with phase transformation cylinder 11, on driving cylinder 12
Equipped with potential energy medium inlet 121 and potential energy media outlet 122, potential energy medium inlet 121 passes through low-potential energy state media conveying path 6
It is connect with low-potential energy storage device 3, potential energy media outlet 122 is filled by high potential energy state media conveying path 7 and high potential energy storage
2 connections are set, a piston 13 is equipped in driving cylinder 12, phase-change working substance 14 is equipped in phase transformation cylinder 11, heating device 41 is filled with cooling
42 are set to connect with phase transformation cylinder 11 respectively；Cooling device 42 brings it about phase transformation to the cooling of phase-change working substance 14, and piston 13 is fallen after rise, simultaneously
Potential energy medium 5 in low-potential energy storage device 3 is entered by low-potential energy state media conveying path 6 in driving cylinder 12；Heating device 41
It is made to the heating of phase-change working substance 14 and is undergone phase transition, phase-change working substance 14 drives piston 13 to move, and makes to enter the gesture in driving cylinder 12
Energy medium is converted to the potential energy medium of high potential energy state after Temperature difference driving device does work, then passes through high potential energy state medium transport road
Diameter 7 enters in high potential energy storage device 2.
The present invention makes the phase-change working substance 4 in phase transformation cylinder 11 undergo phase transition by temperature adjusting, and drives piston 13 to by low
It does work into the low-potential energy situation energy medium 5 of driving cylinder 12 in potential energy storage device 3, the potential energy medium 5 of low-potential energy state is through temperature
Poor driving device 1 is converted to the potential energy medium 5 of high potential energy state after doing work and is stored in high potential energy storage device 2；It will be stored in
Potential energy medium 5 in high potential energy storage device 2 is generated electricity by potential energy or the energy for the modes such as driving device 10 is generated electricity or driven
Amount conversion or release make the potential energy medium 5 of high potential energy state be converted to the potential energy medium 5 of low-potential energy state and are stored in low-potential energy storage
In device 3.
Temperature-adjusting device 4 therein includes heating device 41 and the cooling device acted on Temperature difference driving device 1
42, heating device 41 includes heat supply pipeline 411 and heat source 412, and heat supply pipeline 411 is filled with heat source 412 and temperature difference driving respectively
Set 1 connection；Cooling device 42 includes cooling pipeline 421 and low-temperature receiver 422, and cooling pipeline 421 drives with low-temperature receiver 422 and temperature difference respectively
Dynamic device 1 connects.Heat source 412 in the present invention is the exhaust steam in steam turbine for making Temperature difference driving device 1 drive 5 acting of potential energy medium
Heat source, the heat source through the heat exchange such as boiler smoke and lime-ash, geothermal heat source, biomass heat source, the air for having certain temperature, condensation
The hot junction of device or heat pipe, the waste heat heat source of fossil energy engine, solar water, warm ocean current, warm river and lake or sea
Surface water etc. can utilize the combination of one or more of heat source.Low-temperature receiver 422 discharges when being room temperature or water at low temperature, liquid gas vaporization
Cold energy, cold air, the cold end and deep sea water of evaporator or heat pipe, other cold fluid low-temperature receivers etc. can utilize one kind in low-temperature receiver
Or several combination.
The present invention is to convert heat energy into potential energy using Temperature difference driving device, is absorbed by heat exchange high in heating system
The energy of warm medium is driven, by driving potential energy medium that potential energy medium is made to generate a kind of higher potential energy states, and in height
It is stored in potential energy storage device.Potential energy medium in the present invention can be water (liquid), air (gas), spring (Gu
Body) or other utilizable working medium, so that the change of potential energy medium generation potential energy state (PVT or spatial position is occurred by external force
Transformation)；For example promote water to a certain head-tank or compressed air and fade to a certain high pressure or mutually another high potential energy state, or
Compressed spring is with higher elastic potential energy etc..
High potential energy state medium in high potential energy storage device is external by waterpower or the power generation of other potential energy or driving device 10
Acting, as the water of head-tank (high potential energy storage device) can be by driving hydraulic turbine power generation, high pressure gas that can carry out air pressure drive
Dynamic, high pressure spring can carry out elastic potential energy driving, and the energy stored in high potential energy storage device is discharged, and will release energy
Potential energy medium afterwards stores in low-potential energy storage device, and the potential energy medium stored in low-potential energy storage device can recycle profit
With after the effect by Temperature difference driving device, being again converted to high potential energy state, and again in high potential energy storage device 2
Storage, and externally do work again by modes such as potential energy power generation or driving devices 10 and carry out energy conversion or release energy, again
It stores in low-potential energy storage device 3, recycles repeatedly.
Multiple Temperature difference driving devices 1, the phase on each Temperature difference driving device 1 are preferably equipped in the present invention in systems
Become cylinder 11 to concatenate by hot-fluid connection pipeline 8, each hot-fluid connection pipeline 8 is equipped with the fluid storage tank 9 communicated therewith；First temperature
The phase transformation cylinder of the poor driving device of degree is connect with heat source, and the liquid-gas phase transition temperature of the phase-change working substance in each phase transformation cylinder is flowed along heating
Body flow direction reduces successively, expands the temperature utilization scope of heat source in this way, can more absorb low during heat source is especially
Energy possessed by temperature-heat-source keeps the utilization of middle low-temperature heat source more economically effective.It is of course also possible in each temperature difference
Heat source is separately provided in driving device, the form of heat source can pass through heating equipment to the fluid in hot-fluid connection pipeline 8
It directly heats or heat exchange heating is carried out by heat pipe.
It is further preferred that in order in fully realizing low temperature heat energy efficiently use, before being located at heating fluid flow direction
The temperature after cooling fluid heat absorption in the Temperature difference driving device in face is more than subsequent described positioned at heating fluid flow direction
When heating fluid temperature (F.T.) in Temperature difference driving device, by cooling fluid and the institute behind exported in Temperature difference driving device
The heating fluid stated in Temperature difference driving device forms concatenation.Energy is absorbed by one or more levels Temperature difference driving device
Afterwards, fluid temperature (F.T.) reduces, and the fluid after cooling can also be used as byproduct, is applied to cooling or cooling, central air-conditioning, storage
The fields such as the industry such as freezer, agricultural or Life service industry.If thermal power plant is measured in associated hot using the present invention and is fully absorbed profit
In the case of being converted to sufficient amount low-temperature receiver with and by heat source after absorption heat, the energy that can not only make cooling tower lost obtains
It adequately utilizes, existing cooling tower facility can not also be used.It is well known that in the present state-of-the technology, hydroelectric generation
Energy conversion efficiency can be up to 90% or so, and the energy conversion efficiency of thermal power generation is only about less than 50%, the low temperature in
Technology is converted to hydraulic potential power generation to thermal energy in heat source through the invention, can improve heating efficiency, largely
Upper increase generated energy saves cost of electricity-generating.
Therefore, the present invention can be used not only for thermal power plant's cogeneration, and geothermal Power Station power generation can be also used for air pressure driving
The fields such as engine, spring potential energy Mechanical Driven engine, and the industries such as new-energy automobile are promoted the use of, application prospect is very wide
It is wealthy.
The present invention by multi-step temperature difference driving device carry out heat exchange absorb heating device high temperature medium energy into
Row driving, by the acting of the potential energy medium of low-potential energy state, to make potential energy medium generate a kind of higher potential energy states, and
It is stored in high potential energy storage device, the potential energy medium of high potential energy state, passes through externally doing for driving, power generation or other forms
Work(after releasing energy, is converted to the potential energy medium of low-potential energy state, and is stored in low-potential energy storage device, then again quilt
Temperature difference driving device driving acting, reaches a kind of higher potential energy states, recycles repeatedly again.By selecting inhomogeneity
The phase-change working substance of the suitable different temperatures range of type divides level-one or even multistage progress temperature difference driving, expands heat source and be especially
The temperature utilization scope of middle low-temperature heat source completes the efficient utilization to heat source.Moreover, its byproduct can be used as low-temperature receiver for supplying
Cold, energy saving and environment protecting is notable, can be applied to the necks such as a variety of potential energy drivings, power generation, engine manufacture, new-energy automobile
Domain, application prospect are very extensive.
Fig. 1 illustrates that its specific operating process is as follows by taking liquid or gaseous state potential energy medium as an example：
Heating device in step 1, closing temperature regulating device opens cooling device, while opening potential energy medium inlet
Control valve, close the control valve of potential energy media outlet, the low-potential energy situation energy medium in low-potential energy storage device is through low-potential energy
State media conveying path enters in driving cylinder, and during cooled liquefied, piston is fallen after rise phase-change working substance, and potential energy medium is full of
Driving cylinder.
Cooling device in step 2, closing temperature regulating device opens the control of heating device and potential energy media outlet
Valve, closes the control valve at potential energy medium inlet, and phase-change working substance heat absorption expansion generates enough expansion power drive pistons, makes work
Plug does work to potential energy medium, and potential energy medium enters high potential energy state media conveying path by potential energy media outlet, then reaches high gesture
In energy storage device.For example it promotes water to a certain head-tank or compressed air and fades to a certain high pressure or mutually another high potential energy
State.
Step 3 starts potential energy power generation or driving device 10, and the potential energy medium being present in high potential energy storage device is made to pass through
Driving, power generation or other forms are externally done work, and potential energy, if the water of head-tank can drive the hydraulic turbine to generate electricity, pressure pan are discharged
In in air can drive pneumatic equipment.Potential energy medium in high potential energy storage device turns after the externally acting that releases energy
It is changed to the potential energy medium of low-potential energy state, is stored in low-potential energy storage device.After generating electricity such as the water-driven hydraulic turbine of head-tank
It is stored in afterbay (low pool), is stored in low-pressure tank after the air driving pneumatic equipment in pressure pan, compressed bullet
Spring is in another lower elastic potential energy state after driving elastic potential energy driving equipment.
Step 1-3 is repeated, next cycle is carried out.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Variation is still in the protection scope of this invention.
Claims (10)
1. a kind of heat source of temperature difference driving utilizes system, which is characterized in that the system comprises high potential energy storage device (2),
Low-potential energy storage device (3) and at least one Temperature difference driving device (1), the Temperature difference driving device (1) are equipped with temperature
Regulating device (4), the Temperature difference driving device (1) fill with the high potential energy storage device (2) and low-potential energy storage respectively
(3) connection is set, the potential energy medium (5) of low-potential energy state is stored in the low-potential energy storage device (3)；
The Temperature difference driving device (1) is adjusted into trip temperature by the temperature-adjusting device (4), makes low-potential energy storage dress
The low-potential energy situation energy medium (5) set in (3) enters Temperature difference driving device (1), and the potential energy medium (5) of low-potential energy state is through temperature
The potential energy medium (5) of high potential energy state is converted to after poor driving device (1) acting and is stored in the high potential energy storage device (2)
In；The potential energy medium (5) that will be stored in the high potential energy storage device (2) is carried out by potential energy power generation or driving device (10)
The conversion of the energy of power generation or driving or release, make the potential energy medium (5) of high potential energy state be converted to the potential energy medium (5) of low-potential energy state
And it is stored in the low-potential energy storage device (3).
2. the heat source of temperature difference driving according to claim 1 utilizes system, which is characterized in that the temperature-adjusting device
(4) include the heating device (41) and cooling device (42) acted on the Temperature difference driving device (1), the heating device
(41) include heat supply pipeline (411) and heat source (412), the heat supply pipeline (411) respectively with the heat source (412) and temperature difference
Driving device (1) connects；The cooling device (42) includes cooling pipeline (421) and low-temperature receiver (422), the cooling pipeline
(421) it is connect respectively with the low-temperature receiver (422) and Temperature difference driving device (1).
3. the heat source of temperature difference according to claim 2 driving utilizes system, which is characterized in that the heat source (412) is
The Temperature difference driving device (1) is set to drive the exhaust steam in steam turbine heat source of potential energy medium (5) acting, through boiler smoke and lime-ash etc.
The heat source of heat exchange, hot junction, the fossil energy of geothermal heat source, biomass heat source, the air for having certain temperature, condenser or heat pipe
The group of one or more of waste heat heat source, solar water, warm ocean current, warm river and lake or the surface water in sea of engine
It closes.
4. the heat source of temperature difference according to claim 2 driving utilizes system, which is characterized in that the low-temperature receiver (422) is
The cold end and deep sea water cold fluid of the cold energy, cold air, evaporator or the heat pipe that are discharged when room temperature or water at low temperature, liquid gas vaporization
The combination of one or more of low-temperature receiver.
5. utilizing system according to the heat source of any temperature difference drivings of claim 2-4, which is characterized in that the potential energy is situated between
Matter is solid elastic device.
6. utilizing system according to the heat source of any temperature difference drivings of claim 2-4, which is characterized in that the potential energy is situated between
Matter (5) is liquid or gas.
7. the heat source of temperature difference driving according to claim 6 utilizes system, which is characterized in that the temperature difference driving dress
It includes phase transformation cylinder (11) and driving cylinder (12) to set (1), and the driving cylinder (12) is connected with the phase transformation cylinder (11), the driving
Cylinder (12) is equipped with potential energy medium inlet (121) and potential energy media outlet (122), and the potential energy medium inlet (121) is by low
Potential energy state media conveying path (6) is connect with the low-potential energy storage device (3), and the potential energy media outlet (122) passes through height
Potential energy state media conveying path (7) is connect with the high potential energy storage device (2), and a piston is equipped in the driving cylinder (12)
(13), be equipped with phase-change working substance (14) in the phase transformation cylinder (11), the heating device (41) and cooling device (42) respectively with institute
State phase transformation cylinder (11) connection；
The cooling device (42) brings it about Liquid-Vapor Phase Transition to the phase-change working substance (14) cooling, and the piston (13) is fallen after rise,
The potential energy medium (5) in the low-potential energy storage device (3) enters the driving by low-potential energy state media conveying path (6) simultaneously
In cylinder (12)；The heating device (41) brings it about liquid-vapour phase to the phase-change working substance (14) heating and becomes, phase-change working substance (14)
It drives the piston (13) mobile, the potential energy medium entered in the driving cylinder (12) is made to be changed into high potential energy state by low-potential energy state
Entered in the high potential energy storage device (2) by the high potential energy state media conveying path (7) afterwards.
8. the heat source of temperature difference driving according to claim 7 utilizes system, which is characterized in that be equipped in the system more
A Temperature difference driving device (1), the phase transformation cylinder (11) on each Temperature difference driving device (1) pass through hot-fluid connection pipe
Road (8) concatenates, and each hot-fluid connection pipeline (8) is equipped with the fluid storage tank (9) communicated therewith；The first temperature difference is driven
The phase transformation cylinder of dynamic device is connect with the heat source, and liquid-vapour phase temperature of the phase-change working substance in each phase transformation cylinder is along heating
Fluid flow direction reduces successively.
9. the heat source of temperature difference driving according to claim 8 utilizes system, which is characterized in that the hot-fluid connection pipeline
(8) fluid in is directly heated by heating equipment or carries out heat exchange heating by heat pipe.
10. the heat source of temperature difference driving according to claim 9 utilizes system, which is characterized in that be located at heating fluid stream
The temperature after cooling fluid heat absorption in the Temperature difference driving device before dynamic direction, which is more than, is located at heating fluid flow side
When heating fluid temperature (F.T.) in the Temperature difference driving device rearwards, by the cooling exported in the Temperature difference driving device
Fluid is concatenated with the heating fluid formation in the Temperature difference driving device behind.
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