CN209293861U - A kind of cycle generating system - Google Patents
A kind of cycle generating system Download PDFInfo
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- CN209293861U CN209293861U CN201822119464.0U CN201822119464U CN209293861U CN 209293861 U CN209293861 U CN 209293861U CN 201822119464 U CN201822119464 U CN 201822119464U CN 209293861 U CN209293861 U CN 209293861U
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- Prior art keywords
- heat
- working medium
- exchange
- expanding machine
- generating set
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- 239000000126 substance Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000009835 boiling Methods 0.000 claims abstract description 14
- 238000010248 power generation Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 238000007701 flash-distillation Methods 0.000 claims description 15
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 claims description 6
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- 239000001282 iso-butane Substances 0.000 claims description 3
- 235000013847 iso-butane Nutrition 0.000 claims description 3
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 2
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Abstract
The utility model provides a kind of cycle generating system.The cycle generating system includes: heat-exchanger rig, and for heat-exchanger rig for making heat source directly exchange heat with heat-exchange working medium, heat-exchange working medium is low boiling working fluid；Vaporising device, vaporising device are connect with heat-exchanger rig, for after heat exchange and in liquid heat-exchange working medium to be at least partly evaporated to working substance steam；Expanding machine generating set, expanding machine generating set are connect with vaporising device, for being generated electricity using working substance steam；And condensing unit, condensing unit are connect with expanding machine generating set, for the working substance steam after power generation to be condensed into the heat-exchange working medium of liquid.The cycle generating system of the utility model is directly exchanged heat using low-boiling heat-exchange working medium with heat source, potential temperature declines caused decrease in power generation efficiency during avoiding indirect heat exchange, heat-exchange working medium after exchanging heat simultaneously reaches vaporising device in liquid form, reduce on-way resistance, the inlet pressure for improving expanding machine generating set, equally can be improved generating efficiency.
Description
Technical field
The utility model relates to thermal power generation fields, and in particular to a kind of cycle generating system.
Background technique
Low grade heat energy includes industrial low-temperature waste heat, solar energy, geothermal energy, ocean thermal energy etc..Due to enormous amount, i.e.,
Make to be that sub-fraction in low grade heat energy is converted into electric energy, for solving energy problem, China and reducing environmental pollution, all have
There is highly important realistic meaning." amount is more, potential temperature is low " are two features of low grade heat energy.For multiple heat sources, such as low temperature
Flue gas, exhaust steam, hot water, process-stream etc., centralized recovery utilize and often obtain preferable effect.
Known method is to be taken out the heat of multiple heat sources using intermediary (hot water) circulation, and concentration is sent to low boiling point
Working medium power cycle power generator area.It exchanges heat since low boiling working fluid is not direct with heat source, picks up heat between belonging to.This picks up
The disadvantage of heat is so that the heat potential temperature into low boiling working fluid circulating generation region declines, so generating efficiency is lower.
Accordingly, it is desirable to provide a kind of cycle generating system, at least to be partially solved problems of the prior art.
Utility model content
In order at least partly solve above-mentioned technical problem, the utility model provides a kind of cycle generating system, comprising:
Heat-exchanger rig, for the heat-exchanger rig for making heat source directly exchange heat with heat-exchange working medium, the heat-exchange working medium is low boiling
Point working medium；
Vaporising device, the vaporising device are connect with the heat-exchanger rig, for after exchanging heat and in liquid
The heat-exchange working medium is at least partly evaporated to working substance steam；
Expanding machine generating set, the expanding machine generating set are connect with the vaporising device, for utilizing the working medium
Steam-electric power；And
Condensing unit, the condensing unit are connect with the expanding machine generating set, for the working medium after generating electricity
Steam is condensed into the heat-exchange working medium of liquid.
In embodiment, the low boiling working fluid includes pentafluoropropane, tetrafluoroethane, propane, iso-butane, pentane, ring penta
At least one of alkane, silicone oil and ammonium hydroxide.
In embodiment, further includes: storage device, the storage device are filled with the vaporising device, the condensation respectively
It sets and the heat-exchanger rig connects, for storing the heat exchange work for not being evaporated to the working substance steam in the vaporising device
The heat-exchange working medium of generation is condensed in matter and/or the condensing unit, the storage device supplies institute to the heat-exchanger rig
State heat-exchange working medium.
In embodiment, the heat-exchanger rig is multiple, and multiple heat-exchanger rigs are adapted to multiple heat sources respectively, more
A heat-exchanger rig connects in parallel or series.
In embodiment, the vaporising device is multiple, and multiple vaporising devices are connected in series, multiple evaporation dresses
The steam (vapor) outlet set is connect with the expanding machine generating set respectively.
In embodiment, the expanding machine generating set is multiple, when using multiple expanding machine generating sets, often
A expanding machine generating set has an import, and multiple expanding machine generating sets are connected in parallel.In embodiment, institute
Stating vaporising device is flash distillation plant.
In embodiment, the flash distillation plant is multistage flash distillation device.
In embodiment, the expanding machine generating set is axial-flow type expanding machine generating set, the power generation of radial-flow type expanding machine
At least one of unit and screw type expansion machine generating set.
In embodiment, further includes:
The pump housing, the pump housing is arranged between the condensing unit and the storage device and/or pump housing setting exists
Between the heat-exchanger rig and the storage device, for driving the heat-exchange working medium.
To sum up, the cycle generating system of the utility model is directly exchanged heat using low-boiling heat-exchange working medium with heat source, is avoided
Decrease in power generation efficiency caused by potential temperature declines during indirect heat exchange, while the heat-exchange working medium after exchanging heat in liquid form arrives
Up to vaporising device, reduce on-way resistance, improve the inlet pressure of expanding machine generating set, power generation effect equally can be improved
Rate.
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed
Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more
Protect range.
Detailed description of the invention
The following drawings of the utility model is used to understand the utility model in this as a part of the utility model.Attached drawing
In show the embodiments of the present invention and its description, for explaining the principles of the present invention.In the accompanying drawings,
Fig. 1 is the structural schematic diagram for the cycle generating system that the embodiments of the present invention 1 provide；
Fig. 2 is the structural schematic diagram for the cycle generating system that the embodiments of the present invention 2 provide；And
Fig. 3 is the structural schematic diagram for the cycle generating system that the embodiments of the present invention 3 provide.
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It will be apparent, however, to one skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
Fig. 1 is the structural schematic diagram for the cycle generating system that the embodiments of the present invention 1 provide.The electricity generation system is specific
It may include heat-exchanger rig 20, vaporising device 30, expanding machine generating set 50 and condensing unit 70.Optionally, electricity generation system
It further include storage device 90.It can be connected using pipeline 110 between each device.
Specifically, heat-exchanger rig 20 may be used to heat source and directly exchange heat with heat-exchange working medium.Heat source is at heat-exchanger rig 20
Hot working fluid can directly be exchanged to be heated.Since heat-exchange working medium directly exchanges heat with heat source, indirect heat exchange process medium temperature is avoided
Decrease in power generation efficiency caused by position declines.Heat-exchanger rig 20 can be heat exchanger in the prior art, and heat-exchange working medium can exchange heat
It is flowed in device, and then carries out heat exchange with the heat source for being provided with heat exchanger, and then exchange hot working fluid heating.Here, heat-exchanger rig
20 be known any suitable heat-exchanger rig, and details are not described herein, as long as being able to satisfy the heat-exchanger rig of exchange hot working fluid heating
20, it is all the requirement for meeting the application.
Optionally, in order to generate electricity simultaneously using many places heat source, and then the utilization rate of thermal energy, heat-exchanger rig 20 are improved
It can be multiple.Multiple heat-exchanger rigs 20 can be separately positioned on the heat source of many places, wherein can be set at least on a heat source
One heat-exchanger rig 20, the quantity for selecting heat-exchanger rig 20 to be arranged according to the size of heat source.Meanwhile according to the temperature of each heat source
How much are position height, heat, and heat-exchanger rig 20 can be tandem type connection, are also possible to pattern connection in parallel.
Vaporising device 30 is connect with heat-exchanger rig 20.Heat-exchange working medium directly exchanges heat with heat source in heat-exchanger rig 20 and is added
After heat to certain temperature, entered in vaporising device 30 by the pipeline 110 being connect with vaporising device 30.Heat-exchange working medium is entering
It is all to exist in liquid form before into vaporising device 30.Temperature, the pressure and other parameters in exchange thermal 20 can be passed through
Control, guarantee that heat-exchange working medium is all the state of liquid before entering vaporising device 30 always, and then avoid in the prior art
Heat-exchange working medium is made partially to be evaporated to gas before entering vaporising device 30 and form gas-liquid mixture because of directly heating,
Resistance when so as to cause conveying increases and causes difficulty of transportation, furthermore can also improve expanding machine generating set inlet pressure, mention
High generation efficiency.
Heat source is generally low-grade thermal energy, can specifically include industrial low-temperature waste heat, solar energy, geothermal energy, ocean temperature
Difference can wait.Therefore, in order to guarantee that heat-exchange working medium can be evaporated to gas in vaporising device 30 with lower temperature, heat-exchange working medium can
It include at least one of pentafluoropropane, tetrafluoroethane, propane, iso-butane, pentane, pentamethylene, silicone oil, ammonium hydroxide etc. to select.
The boiling point of above-mentioned heat-exchange working medium is relatively lower than the boiling point of water, therefore can be relatively easy to be evaporated to gas, is directed to realizing
The purpose of the centralized recoveries of multiple low-temperature heat sources, efficiency power generation.Heat-exchange working medium uses any one or more, and how to match
Than that can be determined according to actual use demand.
Low boiling point heat-exchange working medium after heat exchange enters in liquid form in vaporising device 30.Vaporising device 30 can be flash distillation
Device, the structure are the prior art, and details are not described herein.Preferably, flash distillation plant can should be with expanding machine generating set 50
Generating set is arranged nearby in area, and then reduces the length of pipe of transferring working medium steam, avoids working substance steam during transportation
Have biggish heat loss.Heat-exchange working medium is at least partly evaporated to working substance steam in flash distillation plant, and working substance steam can pass through
The working substance steam outlet of flash distillation plant enters in expansion power generation device 50, and remaining liquid heat-exchange working medium can be filled by evaporation
The heat-exchange working medium outlet outflow for setting 30 is entered by storage device 90 together with the liquid refrigerant condensed out after follow-up expansion power generation
In heat-exchanger rig 20.Optionally, flash distillation plant can may be multistage flash distillation device for primary flash device.When using multistage
When flash distillation plant, the low boiling working fluid steam in flash distillation plants at different levels can enter in same expanding machine generating set 50, can also
To respectively enter in different expanding machine generating sets 50.In addition, can be between flash distillation plant and expanding machine generating set 50
Increase a superheater, for overheating working substance steam.
Working substance steam enters expansion work in expanding machine generating set 50 and generates electricity.Expanding machine generating set 50 is not conventional
Steam turbine, it is swollen to can be axial-flow type expanding machine generating set 50, radial-flow type expanding machine generating set 50 or screw in structure
Swollen machine generating set 50.
Condensing unit 70 is connect with expanding machine generating set 50.Specifically, condensing unit 70 can be with expanding machine generator
The outlet connection of group 50.Condensing unit 70 is used for the heat exchange work that will be finished the working substance steam after function generates electricity in other words and be condensed into liquid
Matter.Condensing unit 70 can be connected with storage device 90 again, and then the liquid heat-exchange working medium that condensation generates is transported to storage
It is stored in device 90.
Accordingly, storage device 90 is connect with vaporising device 30, condensing unit 70 and heat-exchanger rig 20 respectively, for storing up
Deposit the heat-exchange working medium that generation is condensed in the heat-exchange working medium and/or condensing unit 70 that are not evaporated to working substance steam in vaporising device 30.
Equally, storage device 90 also supplies heat-exchange working medium to heat-exchanger rig 20.Specifically, storage device 90 can be a tank body, use
In storage and supply heat-exchange working medium.
In order to drive flowing of the heat-exchange working medium in pipeline 110, which can also include the pump housing 130.The pump housing 130 is arranged
Between condensing unit 70 and storage device 90 and/or the pump housing 130 is arranged between heat-exchanger rig 20 and storage device 90, uses
In driving heat-exchange working medium.Wherein, the pump housing 130 can be force (forcing) pump.
In example 2, referring to shown in Fig. 2, the embodiment difference from example 1 is that: vaporising device 30 is
It is multiple.Such as two or more.Multiple vaporising devices 30 are connected in series.For example, referring to shown in Fig. 2, first vaporising device
30 working medium entrances are connect with the multiple heat-exchanger rigs 20 being connected in parallel, the sender property outlet and second of first vaporising device 30
The working medium entrances of a vaporising device 30 connect.The steam (vapor) outlet of multiple vaporising devices 30 connects with expanding machine generating set 50 respectively again
It connects.When the heat-exchange working medium that is heated of directly being exchanged heat by heat-exchanger rig 20 and heat source temperature with higher, heat-exchange working medium
It cannot be evaporated in a vaporising device 30, therefore multiple vaporising devices 30 can be set, in previous vaporising device 30
The heat-exchange working medium not being evaporated can be evaporated in next vaporising device 30, and then improve the utilization rate of thermal energy.
In embodiment 3, referring to shown in Fig. 3, which is, expanding machine generating set
50 be multiple.Such as two or more.Multiple expanding machine generating sets 50 are connected in parallel.When the work generated in vaporising device 30
When the amount of matter steam is more, multiple expanding machine generating sets 50 can be set.The quantity and expanding machine generator of vaporising device 30
The quantity of group 50 matches, i.e., a vaporising device 30 can connect an expanding machine generating set 50.Certainly, vaporising device 30
Quantity and the quantity of expansion power generation unit 50 can also mismatch.For example, a vaporising device 30 can connect multiple expansions
Machine generating set 50 or multiple vaporising devices 30 can connect an expanding machine generating set 50, here, pass between the two
System does not do specifically defined.
The utility model is illustrated through the foregoing embodiment, but it is to be understood that, above-described embodiment is
Purpose for illustrating and illustrating, and be not intended to limit the invention within the scope of described embodiment.Furthermore ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with
It is interior.The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims (10)
1. a kind of cycle generating system characterized by comprising
Heat-exchanger rig, for the heat-exchanger rig for making heat source directly exchange heat with heat-exchange working medium, the heat-exchange working medium is low boiling point work
Matter；
Vaporising device, the vaporising device are connect with the heat-exchanger rig, for after exchanging heat and described in the liquid
Heat-exchange working medium is at least partly evaporated to working substance steam；
Expanding machine generating set, the expanding machine generating set are connect with the vaporising device, for utilizing the working substance steam
Power generation；And
Condensing unit, the condensing unit are connect with the expanding machine generating set, for the working substance steam after generating electricity
It is condensed into the heat-exchange working medium of liquid.
2. cycle generating system according to claim 1, which is characterized in that the low boiling working fluid include pentafluoropropane,
At least one of tetrafluoroethane, propane, iso-butane, pentane, pentamethylene, silicone oil and ammonium hydroxide.
3. cycle generating system according to claim 1, which is characterized in that further include: storage device, the storage device
It is connect respectively with the vaporising device, the condensing unit and the heat-exchanger rig, for storing in the vaporising device not
It is evaporated to the heat-exchange working medium that generation is condensed in the heat-exchange working medium and/or the condensing unit of the working substance steam, institute
It states storage device and supplies the heat-exchange working medium to the heat-exchanger rig.
4. cycle generating system according to claim 1, which is characterized in that the heat-exchanger rig be it is multiple, it is multiple described
Heat-exchanger rig is adapted to multiple heat sources respectively, and multiple heat-exchanger rigs connect in parallel or series.
5. cycle generating system according to claim 1, which is characterized in that the vaporising device be it is multiple, it is multiple described
Vaporising device is connected in series, and the steam (vapor) outlet of multiple vaporising devices is connect with the expanding machine generating set respectively.
6. cycle generating system according to claim 1 or 5, which is characterized in that the expanding machine generating set be it is multiple,
When using multiple expanding machine generating sets, each expanding machine generating set has an import, multiple described swollen
Swollen machine generating set is connected in parallel.
7. cycle generating system according to claim 1, which is characterized in that the vaporising device is flash distillation plant.
8. cycle generating system according to claim 7, which is characterized in that the flash distillation plant be single stage flash device or
Multistage flash distillation device.
9. cycle generating system according to claim 1, which is characterized in that the expanding machine generating set is that axial-flow type is swollen
At least one of swollen machine generating set, radial-flow type expanding machine generating set and screw type expansion machine generating set.
10. cycle generating system according to claim 3, which is characterized in that further include:
The pump housing, the pump housing is arranged between the condensing unit and the storage device and/or the pump housing is arranged described
Between heat-exchanger rig and the storage device, for driving the heat-exchange working medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119464.0U CN209293861U (en) | 2018-12-17 | 2018-12-17 | A kind of cycle generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119464.0U CN209293861U (en) | 2018-12-17 | 2018-12-17 | A kind of cycle generating system |
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| Publication Number | Publication Date |
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| CN209293861U true CN209293861U (en) | 2019-08-23 |
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| CN201822119464.0U Active CN209293861U (en) | 2018-12-17 | 2018-12-17 | A kind of cycle generating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538310A (en) * | 2018-12-17 | 2019-03-29 | 中国船舶重工集团公司第七研究所 | A kind of cycle generating system |
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2018
- 2018-12-17 CN CN201822119464.0U patent/CN209293861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538310A (en) * | 2018-12-17 | 2019-03-29 | 中国船舶重工集团公司第七研究所 | A kind of cycle generating system |
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| CP01 | Change in the name or title of a patent holder |
Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: The 711 Research Institute of China Shipbuilding Corp. Patentee after: SHANGHAI QIYAO THERMAL ENERGY ENGINEERING Co.,Ltd. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute Patentee before: SHANGHAI QIYAO THERMAL ENERGY ENGINEERING Co.,Ltd. |
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