CN207333049U - A kind of hot gas fused salt low temperature Stirling electricity generation system - Google Patents
A kind of hot gas fused salt low temperature Stirling electricity generation system Download PDFInfo
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- CN207333049U CN207333049U CN201721046083.3U CN201721046083U CN207333049U CN 207333049 U CN207333049 U CN 207333049U CN 201721046083 U CN201721046083 U CN 201721046083U CN 207333049 U CN207333049 U CN 207333049U
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- fused salt
- hot gas
- low temperature
- generator group
- liquid
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- 150000003839 salts Chemical class 0.000 title claims abstract description 136
- 230000005611 electricity Effects 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 4
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- 235000010333 potassium nitrate Nutrition 0.000 claims description 2
- 239000004323 potassium nitrate Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 80
- 238000000034 method Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IRPDISVJRAYFBI-UHFFFAOYSA-N nitric acid;potassium Chemical compound [K].O[N+]([O-])=O IRPDISVJRAYFBI-UHFFFAOYSA-N 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a kind of hot gas fused salt low temperature Stirling electricity generation system, including hot gas air inlet pipe, hot gas and fused salt heat exchanging device, hot gas exhaust pipe, air-introduced machine, circulation pump for liquid salts, low temperature stirling generator group and heating tube；The hot gas air inlet pipe is connected to the hot gas and the air inlet of fused salt heat exchanging device；The gas outlet of the hot gas and fused salt heat exchanging device is connected by the hot gas exhaust pipe with the air-introduced machine；The hot gas and fused salt heat exchanging device are in turn connected to form the circulation loop of fused salt by the fused salt pipeline with the circulation pump for liquid salts and the low temperature stirling generator group；The heating tube is located inside the low temperature stirling generator group.The system improves the utilization ratio of the energy, improves thermoelectric conversion efficiency, improves the utilization scope of heat source；Heat-carrying agent employs fused salt, can both meet requirement of the low temperature stirling generator group to thermal temperature, and also reduce the project cost of heat-carrying agent.
Description
Technical field
The utility model belongs to generating equipment technical field, and in particular to a kind of hot gas fused salt low temperature Stirling power generation system
System.
Background technology
The basic reason of China's Energy situation sternness at present is that energy consumption efficiency is low.The output effect of China's standard coal per ton
Rate just corresponds to 10.3%, the 28.6% of the U.S. of Japan.Nearly 60~65% energy conversion is waste heat in China's energy consumption of industry
Resource.The most country of UTILIZATION OF VESIDUAL HEAT IN is the U.S. at present, and for its utilization rate up to 60%, European utilization rate is 50%, Wo Menguo
Family only 30%.With regard to waste heat (waste heat) using present situation from the point of view of, China, which also has, very big utilizes space.Smelt stove, waste heat boiler,
The high temperature exhaust gas or hot gas of the generations such as petrochemical equipment, if being discharged directly into air, not only cause the wave of heat
Expense also pollutes the environment.Using energy source has number of ways and a variety of methods, but most important, most significant, most worthy
Utilize still power generation.
Stirling engine is to be invented early in 1861 by British Robert's Stirling, and Stirling engine is also referred to as outer
Combustion engine, and the history of steam engine are similar, and its feature is that burning is continuous first, since working medium is not involved in burning, is not had
There are the phenomenon of detonation of internal combustion engine, low noise；Secondly any fuel can be used, its combustion chamber outside, the process and working medium of burning
It is unrelated, suitable for various heat sources, to combustion system without particular/special requirement, small, light-weight, long lifespan, easy to maintain, burning effect
Rate is high.Although the efficiency of Stirling engine in theory is no better than intrinsic peak efficiency, this is special in practical applications
Woods engine still has the problem of thermal loss is 2-3 times of explosive motor, causes energy conversion efficiency not high.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of hot gas fused salt low temperature Stirling electricity generation system.
The utility model is achieved through the following technical solutions：
A kind of hot gas fused salt low temperature Stirling electricity generation system, including hot gas air inlet pipe, hot gas and fused salt heat exchanging device, hot gas row
Tracheae, air-introduced machine, circulation pump for liquid salts, low temperature stirling generator group and heating tube；The hot gas air inlet pipe is connected to the heat
The air inlet of gas and fused salt heat exchanging device；Drawn by the hot gas exhaust pipe with described the gas outlet of the hot gas and fused salt heat exchanging device
Wind turbine connects；The hot gas and fused salt heat exchanging device pass through the fused salt pipeline and the circulation pump for liquid salts and the low temperature Stirling
Generating set is in turn connected to form the circulation loop of fused salt；The heating tube is located inside the low temperature stirling generator group.
Further, in the above-mentioned technical solutions, heat exchanger tube is set inside the hot gas and fused salt heat exchanging device；The heat exchange
The inlet of pipe is connected by the fused salt pipeline with the liquid outlet of the low temperature stirling generator group；The heat exchanger tube goes out
Liquid mouth is connected by the fused salt pipeline with the inlet of the circulation pump for liquid salts；It is described circulation pump for liquid salts liquid outlet with it is described
The inlet connection of low temperature stirling generator group.
Further, in the above-mentioned technical solutions, the inlet of the heat exchanger tube and the low temperature stirling generator group
Liquid outlet between the fused salt pipeline on set electric tracing heating unit.
Further, in the above-mentioned technical solutions, hot gas intake air temperature sensor is set in the hot gas air inlet pipe；It is described
Hot gas exhaust gas temperature sensor is set on the hot gas exhaust pipe between hot gas and fused salt heat exchanging device and the air-introduced machine.
Further, in the above-mentioned technical solutions, between the circulation pump for liquid salts and the low temperature stirling generator group
The fused salt pipeline on set engine feed liquor temperature sensor；The liquid outlet of the low temperature stirling generator group it is described
Engine is set to go out liquid temperature sensor on fused salt pipeline.
Further, in the above-mentioned technical solutions, the fused salt is 290~580 DEG C of liquid sodium nitrate and liquid nitric acid
Potassium fused salt mixt, the fused salt flow in the fused salt pipeline and the low temperature stirling generator group.
The beneficial effects of the utility model are：
(1) a kind of hot gas fused salt low temperature Stirling electricity generation system described in the utility model, has saved the energy, has improved energy
The utilization ratio in source；
(2) a kind of hot gas fused salt low temperature Stirling electricity generation system described in the utility model, improves thermoelectric conversion efficiency；
(3) a kind of hot gas fused salt low temperature Stirling electricity generation system described in the utility model, the high temperature exhaust gas of use or
Hot air temperature section is very wide in range, and the exhaust gas or hot gas more than or equal to 400 DEG C can use, and improve the utilization scope of heat source.
(4) a kind of hot gas fused salt low temperature Stirling electricity generation system described in the utility model, heat-carrying agent use fused salt, both
It can meet requirement of the low temperature stirling generator group to thermal temperature, and also reduce the project cost of heat-carrying agent；
(5) a kind of hot gas fused salt low temperature Stirling electricity generation system described in the utility model, heat-carrying agent using fused salt compared with
Safety, will not cause high-temp combustion or etching apparatus.
Brief description of the drawings
The utility model is described in further detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is hot gas fused salt low temperature Stirling power generation system structure schematic diagram described in embodiment 1.
In figure：1st, hot gas intake air temperature sensor, 2, hot gas air inlet pipe, 3, hot gas and fused salt heat exchanging device, 4, hot gas exhaust
Temperature sensor, 5, air-introduced machine, 6, circulation pump for liquid salts, 7, engine feed liquor temperature sensor, 8, low temperature stirling generator group,
9th, engine goes out liquid temperature sensor, and 10, fused salt pipeline, 11, heating tube, 12, hot gas exhaust pipe, 13, heat exchanger tube, 14, electric companion
Hot heating unit.
Specific implementation method
Clear, complete description is carried out to the technical solution of the utility model with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, a kind of hot gas fused salt low temperature Stirling electricity generation system, including hot gas air inlet pipe 2, hot gas and fused salt change
Hot device 3, hot gas exhaust pipe 12, air-introduced machine 5, circulation pump for liquid salts 6, low temperature stirling generator group 8 and heating tube 11；The hot gas
Air inlet pipe 2 is connected to the hot gas and the air inlet of fused salt heat exchanging device 3；The gas outlet of the hot gas and fused salt heat exchanging device 3 passes through
The hot gas exhaust pipe 12 is connected with the air-introduced machine 5；The hot gas and fused salt heat exchanging device 3 are followed by fused salt pipeline 10 with described
Ring pump for liquid salts 6 and the low temperature stirling generator group 8 are in turn connected to form the circulation loop of fused salt；The heating tube 11 is located at
Inside the low temperature stirling generator group 8.
Further, in the above-mentioned technical solutions, the hot gas and the inside of fused salt heat exchanging device 3 set heat exchanger tube 13；It is described
The inlet of heat exchanger tube 13 is connected by the fused salt pipeline 10 with the liquid outlet of the low temperature stirling generator group 8；It is described
The liquid outlet of heat exchanger tube 13 is connected by the fused salt pipeline 10 with the inlet of the circulation pump for liquid salts 6；The circulation fused salt
The liquid outlet of pump 6 is connected with the inlet of the low temperature stirling generator group 8.
Further, in the above-mentioned technical solutions, the inlet of the heat exchanger tube 13 and the low temperature stirling generator
Electric tracing heating unit 14 is set on the fused salt pipeline 10 between the liquid outlet of group 8.
Further, in the above-mentioned technical solutions, hot gas intake air temperature sensor 1 is set in the hot gas air inlet pipe 2；Institute
State setting hot gas exhaust gas temperature sensor on the hot gas exhaust pipe between hot gas and fused salt heat exchanging device 3 and the air-introduced machine 5
4。
Further, in the above-mentioned technical solutions, circulation pump for liquid salts 6 and the low temperature stirling generator group 8 it
Between the fused salt pipeline 10 on engine feed liquor temperature sensor 7 is set；The liquid outlet of the low temperature stirling generator group 8
The fused salt pipeline 10 on set engine go out liquid temperature sensor 9.
Hot gas described in the present embodiment for smelt stove, waste heat boiler, the generation such as petrochemical equipment high temperature exhaust gas, institute
Hot gas is stated to be passed through by external equipment or pipeline.
Further, in the above-mentioned technical solutions, hot gas is passed through the hot gas and fused salt by the hot gas air inlet pipe 2 and changes
In hot device 3, hot gas and the fused salt of the flowing in the heat exchanger tube 13 are exchanged heat by tube wall, and the hot gas after heat exchange passes through described
Hot gas exhaust pipe 12 is discharged by the air-introduced machine 5, is discharged into air；Set in the hot gas air inlet pipe 2 and be passed through hot gas for monitoring
The hot gas intake air temperature sensor 1 of temperature；The institute for being used for monitoring discharge hot air temperature is set on the hot gas exhaust pipe 12
State hot gas exhaust gas temperature sensor 4.
Further, in the above-mentioned technical solutions, hot gas is passed through after the hot gas and fused salt heat exchanging device 3 with fused salt described
Heat exchange is realized on the tube wall of heat exchanger tube 13；The elevated fused salt of temperature flows into the circulation fused salt through the fused salt pipeline 10 after heat exchange
Pump 6.
Further, in the above-mentioned technical solutions, fused salt flows into institute through the fused salt pipeline 10 by the circulation pump for liquid salts 6
Low temperature stirling generator group 8 is stated, high-temperature molten salt flows in the outside of heating tube 11, and engine interior working medium is in the heating
Flowing, high-temperature molten salt transfer heat to engine interior working medium by the tube wall of the heating tube 11 and exchange heat in pipe 11,
Temperature of molten salt reduces after heat exchange, and engine interior Temperature of Working rise, the low temperature stirling generator group 8 converts heat into
Electric energy exports.
Further, in the above-mentioned technical solutions, circulation pump for liquid salts 6 and the low temperature stirling generator group 8 it
Between the fused salt pipeline 10 set and be used to monitor the engine feed liquor temperature sensor 7 of engine feed liquor temperature, according to
The rotating speed for the hot air temperature control circulation pump for liquid salts 6 that the hot gas intake air temperature sensor 1 detects, controls described in entering
The temperature of molten salt of low temperature stirling generator group 8 is between 300 DEG C to 350 DEG C.
Further, in the above-mentioned technical solutions, the low temperature stirling generator group 8 and the hot gas and fused salt heat exchanging
The engine for going out liquid temperature degree for monitoring engine is set to go out liquid temperature sensor on the fused salt pipeline 10 between device 3
9, the temperature of molten salt in the low temperature stirling generator group 8 after heat exchange reduces, and the fused salt after heat exchange is through the fused salt pipeline
The hot gas and fused salt heat exchanging device 3 are flowed back to by the low temperature stirling generator group 8；When the engine goes out liquid temperature sensor
9 when monitoring that temperature of molten salt is less than the solidification point of fused salt, and the electric tracing heating unit 14 starts operation and fused salt is heated,
Prevent liquid fused salt from forming crystallization less than solidification point and causing line clogging；Fused salt is in the hot gas and fused salt heat exchanging device 3, described molten
The circulation path internal circulation flow that salt pipeline 10, the circulation pump for liquid salts 4 and the low temperature stirling generator group 8 are formed, leads to
Cross to exchange heat thermal energy being transported in the low temperature stirling generator group 8 with hot gas and carry out thermoelectric conversion.
Embodiment 2
Difference lies in the above-mentioned technical solutions, the fused salt is 290~580 DEG C of liquid to the present embodiment with embodiment 1
Sodium nitrate and liquid potassium nitrate fused salt mixt, the fused salt is in the fused salt pipeline 10 and the low temperature stirling generator group 8
Interior flowing.
Higher temperature range can improve the thermoelectric conversion efficiency of whole electricity generation system, while reduce the operation of equipment
Cost.
Further, in the above-mentioned technical solutions, the fused salt pipeline 10 includes high temperature resistant stainless steel successively from the inside to the outside
Steel pipe and insulating layer.
Preferably, the insulating layer is asbestos layer.The insulating layer is used to prevent heat of the fused salt in flow process from dissipating
Lose.
Embodiment 3
Difference lies in the above-mentioned technical solutions, described to circulate pump for liquid salts 6 for the present embodiment and embodiment 1 and embodiment 2
For FGY type high-efficiency and energy-saving type high-temperature melting salt pumps；The electric tracing heating unit 14 is GWK high temperature modification self temperature control heating tapes.
Further, in the above-mentioned technical solutions, the low temperature stirling generator group 6 is GOESC100H model low temperature
Two coproduction unit of Stirling thermoelectricity.
By the technical solution described in above-described embodiment, hot gas fused salt low temperature Stirling power generation system described in the utility model
System, is converted into electric energy by thermo-electric converting device using industrial high temperature exhaust gas or hot gas, has saved the energy, improved the energy
Utilization ratio and thermoelectric conversion efficiency；The high temperature exhaust gas of use or hot air temperature section are very wide in range, useless more than or equal to 400 DEG C
Gas or hot gas can use, and improve the utilization scope of heat source；Heat-carrying agent uses fused salt, can both meet low temperature Stirling
Requirement of the generating set to thermal temperature, and also reduce the project cost of heat-carrying agent.
The above, is only the preferable specific implementation method of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
- A kind of 1. hot gas fused salt low temperature Stirling electricity generation system, it is characterised in that：Including hot gas air inlet pipe, hot gas and fused salt heat exchanging Device, hot gas exhaust pipe, air-introduced machine, circulation pump for liquid salts, low temperature stirling generator group and heating tube；The hot gas air inlet pipe connection In the hot gas and the air inlet of fused salt heat exchanging device；The gas outlet of the hot gas and fused salt heat exchanging device passes through the hot gas exhaust pipe It is connected with the air-introduced machine；The hot gas and fused salt heat exchanging device pass through the fused salt pipeline and the circulation pump for liquid salts and described low Warm stirling generator group is in turn connected to form the circulation loop of fused salt；The heating tube is located at the low temperature stirling generator Group is internal.
- 2. hot gas fused salt low temperature Stirling electricity generation system according to claim 1, it is characterised in that：The hot gas and fused salt Heat exchanger tube is set inside heat exchanger；The inlet of the heat exchanger tube passes through the fused salt pipeline and the low temperature stirling generator The liquid outlet connection of group；The liquid outlet of the heat exchanger tube is connected by the inlet of the fused salt pipeline and the circulation pump for liquid salts Connect；The liquid outlet of the circulation pump for liquid salts is connected with the inlet of the low temperature stirling generator group.
- 3. hot gas fused salt low temperature Stirling electricity generation system according to claim 1, it is characterised in that：The heat exchanger tube into Electric tracing heating unit is set on the fused salt pipeline between liquid mouth and the liquid outlet of the low temperature stirling generator group.
- 4. hot gas fused salt low temperature Stirling electricity generation system according to claim 1, it is characterised in that：The hot gas air inlet pipe Upper setting hot gas intake air temperature sensor；The hot gas exhaust pipe between the hot gas and fused salt heat exchanging device and the air-introduced machine Upper setting hot gas exhaust gas temperature sensor.
- 5. hot gas fused salt low temperature Stirling electricity generation system according to claim 1, it is characterised in that：The circulation pump for liquid salts Engine feed liquor temperature sensor is set on the fused salt pipeline between the low temperature stirling generator group；The low temperature Engine is set to go out liquid temperature sensor on the fused salt pipeline of the liquid outlet of stirling generator group.
- 6. hot gas fused salt low temperature Stirling electricity generation system according to claim 1, it is characterised in that：The fused salt is 290 ~580 DEG C of liquid sodium nitrate and liquid potassium nitrate fused salt mixt, this is special in the fused salt pipeline and the low temperature for the fused salt Flowing in woods generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046083.3U CN207333049U (en) | 2017-08-21 | 2017-08-21 | A kind of hot gas fused salt low temperature Stirling electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046083.3U CN207333049U (en) | 2017-08-21 | 2017-08-21 | A kind of hot gas fused salt low temperature Stirling electricity generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333049U true CN207333049U (en) | 2018-05-08 |
Family
ID=62374006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721046083.3U Expired - Fee Related CN207333049U (en) | 2017-08-21 | 2017-08-21 | A kind of hot gas fused salt low temperature Stirling electricity generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343731A (en) * | 2020-10-22 | 2021-02-09 | 上海齐耀动力技术有限公司 | Power generation control method and system for molten salt Stirling engine |
| CN117812481A (en) * | 2024-01-05 | 2024-04-02 | 中国铁塔股份有限公司吉林省分公司 | Communication base station machine room and cooling system thereof |
-
2017
- 2017-08-21 CN CN201721046083.3U patent/CN207333049U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343731A (en) * | 2020-10-22 | 2021-02-09 | 上海齐耀动力技术有限公司 | Power generation control method and system for molten salt Stirling engine |
| CN112343731B (en) * | 2020-10-22 | 2023-10-10 | 上海齐耀动力技术有限公司 | Fused salt Stirling engine power generation control method and system |
| CN117812481A (en) * | 2024-01-05 | 2024-04-02 | 中国铁塔股份有限公司吉林省分公司 | Communication base station machine room and cooling system thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 |