CN105863873A - Power generation assembly with Stirling motor driven by aid of natural gas vaporization and seawater - Google Patents
Power generation assembly with Stirling motor driven by aid of natural gas vaporization and seawater Download PDFInfo
- Publication number
- CN105863873A CN105863873A CN201610413864.5A CN201610413864A CN105863873A CN 105863873 A CN105863873 A CN 105863873A CN 201610413864 A CN201610413864 A CN 201610413864A CN 105863873 A CN105863873 A CN 105863873A
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- CN
- China
- Prior art keywords
- stirling motor
- natural gas
- seawater
- gas vaporization
- stirling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
-
- 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
- F02G2280/00—Output delivery
- F02G2280/20—Rotary generators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a power generation assembly with a Stirling motor driven by the aid of natural gas vaporization and seawater. The power generation assembly comprises the Stirling motor. A cold end of the Stirling motor is arranged in an expansion valve of natural gas vaporization equipment, so that the cold end of the Stirling motor can have low temperatures after a large quantity of heat is absorbed in liquefied natural gas vaporization procedures; a water delivery pipe is mounted at a hot end of the Stirling motor, the seawater can flow through the hot end of the Stirling motor via the water delivery pipe, and heat can be exchanged between the seawater and the hot end of the Stirling motor; pistons in the Stirling motor can be driven by the aid of temperature difference between the cold end and the hot end of the Stirling motor to carry out reciprocating piston movement, and accordingly the Stirling motor can be driven to carry out power generation operation. According to the technical scheme, the power generation assembly has the advantages that the large quantity of heat absorbed in the liquefied natural gas vaporization procedures and the seawater can be used as energy sources, and accordingly the Stirling motor can be driven to carry out the power generation operation; energy can be saved in power generation procedures, environments can be protected in the power generation procedures, the power generation procedures can be completed only by the aid of the low temperatures formed by means of liquefied natural gas vaporization heat absorption and the water temperature of the seawater, energy consumption can be omitted, and the Stirling motor is relatively high in power generation efficiency.
Description
Technical field
The present invention relates to the use of the generating equipment technical field of Stirling motor, particularly relate to one and utilize sky
So gas vaporization and seawater drive the TRT of Stirling motor.
Background technology
Planning according to National Energy Board, " 12 " period encourages, with gas generation oil, to promote Gas Industry
Development, strengthens natural gas proportion in China's energy consumption structure.Increase substantially at resource provisioning, manage
Net is built under the factor such as vigorously support become increasingly popular with national policy stimulates, domestic demand by strong growth,
Gaseous state under natural gas high heating value, high C/Hratio and normal temperature, has relatively low as other fossil fuel of fuel ratio
Environmental pollution and higher efficiency.Natural gas has progressed in daily life, fires from family
Gas, refueling, natural gas power etc., purposes is more and more wider.
And, generally with storage in liquid when natural gas sea transports, and load cold at the harbour that reaches the destination
Vaporization process is needed, it is common that be vaporized process with a kind of natural gas vaporization equipment when hiding in storehouse, should
Vaporising device includes fluid reservoir, expansion valve and evaporimeter, and expansion valve has throttling function, it is possible to will
The liquified natural gas being stored in fluid reservoir is in the big calorimetric of expansion valve absorbed inside and combines evaporimeter and completes vapour
Change process, and the state of low temperature it is internally formed at expansion valve.
Additionally, Stirling motor is as the refrigeration of a kind of efficient energy-saving or generating equipment, it is often used as energy
The equipment of amount conversion, current Stirling motor application natural gas power, mainly release with combustion of natural gas
Heat be that the energy drives internal piston to move back and forth to carry out generating action, but the generating shape of this Effec-tive Function
State will consume substantial amounts of natural gas.And seawater has heat energy and is easy to utilize, and along with energy-conserving and environment-protective are general
That reads is prevailing, demand is a kind of can utilize liquefied natural gas vaporization during the big calorimetric that absorbs, seawater be
Energy source, drives Stirling motor to carry out the TRT of generating action.
Summary of the invention
For the above-mentioned problems in the prior art, one is now provided to be intended to utilize liquefied natural gas
The big calorimetric, the seawater that absorb in vaporescence are energy source, drive Stirling motor to carry out generating action
TRT, in order to overcome above-mentioned technological deficiency.
Concrete technical scheme is as follows:
A kind of TRT utilizing natural gas vaporization and seawater to drive Stirling motor, including a Stirling
Motor, the cold end of Stirling motor is arranged in the expansion valve of natural gas vaporization equipment, in order in liquefaction sky
At cold end, low temperature is obtained after so gas vaporescence absorbing amount of heat；
Flow pipe is installed at the hot junction of Stirling motor, and seawater flows through via flow pipe and changes with hot junction
Heat；
Further, the temperature difference between the cold end of Stirling motor and hot junction the piston in Stirling motor is driven
Carry out reciprocating-piston motion, and then drive Stirling motor to carry out generating action.
Utilize natural gas vaporization and the seawater that there is provided in the present invention drive in the TRT of Stirling motor,
Also having the feature that, the rear end of Stirling motor is powered with electric energy storage device, in order to store Stirling electricity
The electric energy that machine obtains when running.
Utilize natural gas vaporization and the seawater that there is provided in the present invention drive in the TRT of Stirling motor,
Also having the feature that, the rear end of Stirling motor is electrically connected external electrical network, in order to be transported by Stirling motor
The electric energy obtained during row reversely flows in external electrical network.
Utilize natural gas vaporization and the seawater that there is provided in the present invention drive in the TRT of Stirling motor,
Also have the feature that, before and after flow pipe, run through the hot junction of Stirling motor.
Utilize natural gas vaporization and the seawater that there is provided in the present invention drive in the TRT of Stirling motor,
Also having the feature that, seawater is driven by outside suction pump and transports in flow pipe.
Utilize natural gas vaporization and the seawater that there is provided in the present invention drive in the TRT of Stirling motor,
Also having the feature that, the seawater flowing into flow pipe is shallow layer sea water, and seawater flows out via flow pipe
To away from the deep sea water beyond seawater inflow entrance 500 meters.
Utilize natural gas vaporization and the seawater that there is provided in the present invention drive in the TRT of Stirling motor,
Also having the feature that, natural gas vaporization equipment includes storing the holding vessel of liquefied natural gas, swollen
Swollen valve and evaporimeter；
Wherein, being connected by liquefied natural gas conveying pipe between expansion valve with holding vessel, evaporimeter is installed on swollen
The port of export of swollen valve, and evaporimeter the port of export connect have gaseous natural gas conveying pipe, in order to liquid sky
The gaseous natural gas generated after the right expanded valve of gas and evaporimeter effect carries.
Having the beneficial effects that of technique scheme:
(1) the cold end of Stirling motor stretches in expansion valve, and flow pipe and seawater to make heat exchange are passed through in hot junction, from
And TRT can with the big calorimetric absorbed during liquefied natural gas vaporization, seawater as energy source,
Form the bigger cold end of the temperature difference and hot junction at the two poles of the earth, and from cold and hot temperature difference drive head tank inner carrier carry out toward
Piston motion, and then generating action, and these power generation process energy-conserving and environment-protective are carried out at rear portion, only utilize liquid
Water temperature in the low temperature of change natural gas vaporization heat absorption formation and seawater completes power generation process, does not consume the energy,
The generating efficiency of Stirling motor is the most of a relatively high；
(2) seawater is driven by outside suction pump and transports in flow pipe, and the seawater flowing into flow pipe is selected
The shallow layer sea water that temperature is higher, seawater flows out to beyond away from seawater inflow entrance 500 meters via flow pipe
In deep water, thus avoid the problem that temperature is interfered；
(3) run through the hot junction of Stirling motor before and after flow pipe, thus can obtain relatively between hot junction and seawater
For excellent heat transfer effect.
Accompanying drawing explanation
Fig. 1 is a kind of TRT utilizing natural gas vaporization and seawater to drive Stirling motor of the present invention
The structural representation of embodiment.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solving, following example combine accompanying drawing 1 and offer of the present invention utilize natural gas vaporization and seawater drive this special
The TRT of woods motor is specifically addressed.
Below, it will describe embodiments of the present invention with reference to the accompanying drawings.In embodiments, same configuration
Part use identical reference and omit description.
Fig. 1 is the embodiment of a kind of TRT utilizing natural gas vaporization and seawater to drive Stirling motor
Structural representation, as shown in fig. 1, the present invention provide TRT include a Stirling motor 1,
The cold end 2 of Stirling motor 1 is arranged in the expansion valve 4 of natural gas vaporization equipment, in order in liquefaction sky
At cold end 2, low temperature is obtained after so gas vaporescence absorbing amount of heat；The hot junction of Stirling motor 1
Flow pipe 6 is installed at 3, and seawater via flow pipe 6 flow through in order to hot junction 3 heat exchange；Further, by
Temperature difference between the cold end 2 of Stirling motor 1 and hot junction 3 drives the piston in Stirling motor 1 to carry out
Reciprocating-piston moves, and then drives Stirling motor 1 to carry out generating action.
In technique scheme, the cold end 2 of Stirling motor 1 stretches in expansion valve 4, and hot junction 3 leads to
Cross flow pipe 6 and seawater to make heat exchange, thus TRT can be with absorption during liquefied natural gas vaporization
Big calorimetric, seawater are energy source, form the bigger cold end 2 of the temperature difference and hot junction 3 at the two poles of the earth, and by cold
Hot temperature difference drive head tank inner carrier carries out reciprocating-piston motion, and then carries out generating action at rear portion, and
These power generation process energy-conserving and environment-protective, only utilize liquefied natural gas vaporization heat absorption formed low temperature and seawater in water
Temperature completes power generation process, does not consume the energy, energy-conserving and environment-protective, and the generating efficiency of Stirling motor 1 is relatively
High.
In a preferred embodiment, before and after flow pipe 6, run through the hot junction 3 of Stirling motor 1,
It is thus possible to obtain more preferably heat transfer effect, and seawater is driven in flow pipe 6 defeated by outside suction pump 5
Fortune.Preferably, the seawater flowing into flow pipe 6 selects the shallow layer sea water that temperature is higher, and seawater is via sending water
Pipe 6 flows out to away from the relatively low deep sea water of temperature beyond seawater inflow entrance 500 meters, thus avoids
The problem that temperature is interfered.
As further preferred embodiment, the rear end of Stirling motor 1 is powered with electric energy storage device (figure
Not shown in), in order to store the electric energy obtained when Stirling motor 1 runs；Or, Stirling motor
The rear end of 1 is electrically connected external electrical network, outside the electric energy obtained during in order to be run by Stirling motor 1 reversely flows into
In portion's electrical network, with to other equipment or customer power supply.
In a preferred embodiment, natural gas vaporization equipment includes storing liquefied natural gas
Holding vessel 7, expansion valve 4 and evaporimeter (not shown), wherein, expansion valve 4 and holding vessel
Being connected by liquefied natural gas conveying pipe 8 between 7, evaporimeter is installed on the port of export of expansion valve 4, and steams
Send out the port of export of device to connect and have gaseous natural gas to carry pipe 9, in order to valve 4 expanded to liquified natural gas and
The gaseous natural gas generated after evaporimeter effect carries.
In technique scheme, seawater is driven by outside suction pump 5 and transports in flow pipe 6, and stream
The seawater entering flow pipe 6 selects the higher shallow layer sea water of temperature, seawater via flow pipe 6 flow out to away from
In deep sea water beyond seawater inflow entrance 500 meters, thus avoid the problem that temperature is interfered.
The foregoing is only presently preferred embodiments of the present invention, be merely illustrative for the purpose of the present invention, and
Nonrestrictive.Those skilled in the art understands, in the spirit and scope that the claims in the present invention are limited
In it can be carried out many changes, amendment, even equivalence, but fall within protection scope of the present invention.
Claims (7)
1. one kind utilizes the TRT that natural gas vaporization and seawater drive Stirling motor, it is characterised in that
Including a Stirling motor, the cold end of described Stirling motor is arranged at the expansion valve of natural gas vaporization equipment
In, in order to obtain low temperature at described cold end after absorbing amount of heat during liquefied natural gas vaporization；
Flow pipe is installed at the hot junction of described Stirling motor, and seawater flows through also via described flow pipe
With the heat exchange of described hot junction；
Further, the temperature difference between the cold end of described Stirling motor and hot junction described Stirling motor is driven
Interior piston carries out reciprocating-piston motion, and then drives described Stirling motor to carry out generating action.
Natural gas vaporization and seawater is utilized to drive the generating dress of Stirling motor the most as claimed in claim 1
Put, it is characterised in that the rear end of described Stirling motor is powered with electric energy storage device, in order to store described this
The electric energy that special woods motor obtains when running.
Natural gas vaporization and seawater is utilized to drive the generating dress of Stirling motor the most as claimed in claim 1
Put, it is characterised in that the rear end of described Stirling motor is electrically connected external electrical network, in order to by described Stirling
The electric energy that motor obtains when running reversely flows in described external electrical network.
Natural gas vaporization and seawater is utilized to drive sending out of Stirling motor the most as claimed in claim 2 or claim 3
Electric installation, it is characterised in that run through the hot junction of described Stirling motor before and after described flow pipe.
Natural gas vaporization and seawater is utilized to drive the generating dress of Stirling motor the most as claimed in claim 4
Put, it is characterised in that seawater is driven by outside suction pump and transports in described flow pipe.
Natural gas vaporization and seawater is utilized to drive the generating dress of Stirling motor the most as claimed in claim 5
Put, it is characterised in that the seawater flowing into described flow pipe is shallow layer sea water, and seawater send water via described
Pipe flows out in the deep sea water beyond away from seawater inflow entrance 500 meters.
Natural gas vaporization and seawater is utilized to drive the generating dress of Stirling motor the most as claimed in claim 5
Put, it is characterised in that described natural gas vaporization equipment include storing liquefied natural gas holding vessel,
Described expansion valve and evaporimeter；
Wherein, it is connected by liquefied natural gas conveying pipe between described expansion valve with described holding vessel, described steaming
Send out device and be installed on the port of export of described expansion valve, and the port of export connection of described evaporimeter has gaseous natural gas
Conveying pipe, in order to the gaseous state sky generated liquified natural gas after described expansion valve and described evaporimeter effect
So gas carries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413864.5A CN105863873A (en) | 2016-06-13 | 2016-06-13 | Power generation assembly with Stirling motor driven by aid of natural gas vaporization and seawater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413864.5A CN105863873A (en) | 2016-06-13 | 2016-06-13 | Power generation assembly with Stirling motor driven by aid of natural gas vaporization and seawater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105863873A true CN105863873A (en) | 2016-08-17 |
Family
ID=56649437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610413864.5A Pending CN105863873A (en) | 2016-06-13 | 2016-06-13 | Power generation assembly with Stirling motor driven by aid of natural gas vaporization and seawater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863873A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122550A (en) * | 1997-07-03 | 1999-01-26 | Morikawa Sangyo Kk | Sterling engine which can use lng as cooler coolant |
| US6151896A (en) * | 1997-02-04 | 2000-11-28 | Stichting Energieonderzoek Centrum Nederland | Heating installation based on a stirling system |
| RU2187678C1 (en) * | 2001-05-21 | 2002-08-20 | Военный инженерно-космический университет | Underwater craft anaerobic power plant built around stirling engine |
| CN103161605A (en) * | 2011-12-09 | 2013-06-19 | 成都首能新能源开发有限公司 | Liquid piston Stirling engine |
| CN104963784A (en) * | 2015-07-10 | 2015-10-07 | 常熟市谷雷特机械产品设计有限公司 | Stirling engine based on repeated piston heating |
| CN205689316U (en) * | 2016-06-13 | 2016-11-16 | 宁波华斯特林电机制造有限公司 | A kind of TRT utilizing natural gas vaporization and sea water to drive Stirling motor |
-
2016
- 2016-06-13 CN CN201610413864.5A patent/CN105863873A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151896A (en) * | 1997-02-04 | 2000-11-28 | Stichting Energieonderzoek Centrum Nederland | Heating installation based on a stirling system |
| JPH1122550A (en) * | 1997-07-03 | 1999-01-26 | Morikawa Sangyo Kk | Sterling engine which can use lng as cooler coolant |
| RU2187678C1 (en) * | 2001-05-21 | 2002-08-20 | Военный инженерно-космический университет | Underwater craft anaerobic power plant built around stirling engine |
| CN103161605A (en) * | 2011-12-09 | 2013-06-19 | 成都首能新能源开发有限公司 | Liquid piston Stirling engine |
| CN104963784A (en) * | 2015-07-10 | 2015-10-07 | 常熟市谷雷特机械产品设计有限公司 | Stirling engine based on repeated piston heating |
| CN205689316U (en) * | 2016-06-13 | 2016-11-16 | 宁波华斯特林电机制造有限公司 | A kind of TRT utilizing natural gas vaporization and sea water to drive Stirling motor |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |