CN206468383U - Improve the device of the Rankine cycle thermal efficiency - Google Patents
Improve the device of the Rankine cycle thermal efficiency Download PDFInfo
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- CN206468383U CN206468383U CN201720064771.6U CN201720064771U CN206468383U CN 206468383 U CN206468383 U CN 206468383U CN 201720064771 U CN201720064771 U CN 201720064771U CN 206468383 U CN206468383 U CN 206468383U
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Abstract
The utility model provides the device for improving the Rankine cycle thermal efficiency, and it can be with recovery section exhaust steam, and effectively using the heat energy of exhaust steam, reduces the input of outside heat to save the energy, so as to reduce the heat-energy losses of exhaust steam, improves the rankine cycle thermal efficiency；It includes boiler, steam turbine, generator, condenser, feed pump, circulating pump, mixing tank, vapour liquid separator, pressuring machine, boiler inlet is connected with feedwater pump discharge, boiler export is connected with steam turbine import, steam turbine is exported and vapour liquid separator, condenser import is connected, steam turbine is connected with generator, condenser is exported and pump inlet, vapour liquid separator outlet connection, the liquid-inlet connection of circulating-pump outlet side corresponding to mixing tank, the steam inlet of mixing tank is connected with pressuring machine outlet, the liquid outlet of mixing tank opposite side is connected with feedwater pump inlet, vapour liquid separator steam (vapor) outlet is connected with pressuring machine import, the cooling medium of condenser enters, outlet is connected with low-temperature receiver respectively.
Description
Technical field
The utility model is related to heat treatment and equipment technical field, specially improves the device of the Rankine cycle thermal efficiency.
Background technology
Steam thermal energy is converted to the steam engine of mechanical energy and the Steam Power Circulation of steam turbine, the state change of its working medium
Process is carried out by rankine cycle, and wherein rankine cycle is main by boiler, steam turbine, generator, condenser and feedwater pump group
Into the steam come out from boiler enters steam turbine by pipeline, and the partial heat energy of steam is converted to mechanical energy and drives hair wherein
Electric power generation, the low pressure exhaust steam for having made work(enters condenser, and water, permanent set water are condensed into after releasing the latent heat of vaporization to cooling water
By feedwater pumped back boiler, so far, working medium completes a closed process, i.e. rankine cycle, but in this cyclic process,
Heat has been released in the low pressure exhaust steam for having made work(to external world, be have lost the almost all heat energy of exhaust steam, is reduced rankine cycle thermal effect
Rate.
The content of the invention
In view of the above-mentioned problems, the utility model provides the device for improving the Rankine cycle thermal efficiency, it can be with recovery section
Exhaust steam, and effectively using the heat energy of exhaust steam, the input of outside heat is reduced to save the energy, so that the heat energy for reducing exhaust steam is damaged
Lose, improve the rankine cycle thermal efficiency.
Its technical scheme is such：It includes boiler, steam turbine, generator, condenser, feed pump, and the boiler enters
Mouth is connected with the feedwater pump discharge, and the boiler export is connected with the steam turbine import, it is characterised in that it also includes following
Ring pump, mixing tank, vapour liquid separator, pressuring machine, steam turbine outlet respectively with the vapour liquid separator, condenser import
Connection, and is connected between the steam turbine and the generator by power transmission shaft, the condenser outlet respectively with the circulation
Pump inlet, vapour liquid separator outlet connection, the liquid-inlet connection of circulating-pump outlet side corresponding to the mixing tank,
The outlet of the steam inlet of the mixing tank and the pressuring machine is connected, the liquid outlet of the mixing tank opposite side with it is described
Pump inlet of feeding water is connected, and the vapour liquid separator steam (vapor) outlet is connected with the pressuring machine import, and the cooling of the condenser is situated between
Matter import and export is connected with low-temperature receiver respectively.
Useful achievement of the present utility model is that the steam that boiler comes out respectively enters condenser, vapor-liquid separation through steam turbine
In device, a part of low pressure exhaust steam in vapour liquid separator carries out vapor-liquid separation, and the gas after separation pressurizes into pressuring machine, improves
The pressure and temperature of gas are separated, another part low pressure exhaust steam in condenser carries out heat release to cooling medium, releases vaporization
Liquid is condensed into after latent heat, subsequent coagulating liq is mixed with the liquid separated from vapour liquid separator, mixing liquid
Mixing tank is pumped into via circulation, cooling medium is come by low-temperature receiver, sends low-temperature receiver cooling after being absorbed heat in condenser back to again, formed
Cooling circulation, in mixing tank, the gas come from pressuring machine is heated to mixing liquid, improves the temperature of liquid, its
Liquid is condensed into after gas heat release to be incorporated in mixing liquid, the liquid after temperature is improved comes out from blending bin, is pumped into by feedwater
Boiler is heated, as high temperature and high pressure steam, and then high temperature and high pressure steam goes successively to steam turbine work done, and steam is completed with this
Power cycle, wherein the kinetic energy for input of pressurizeing is again much smaller than the kinetic energy for improving increase part after efficiency, it is achieved thereby that with a small amount of
The energy can just utilize a large amount of heat energy of exhaust steam, not only increase into boiler and bear water temperature, the energy that boiler is reduced again is defeated
Enter, reduce the internal circulating load of cooling medium and the input of kinetic energy, so as to substantially increase the thermal efficiency of Rankine cycle.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in figure 1, the utility model includes boiler 1, steam turbine 2, generator 3, condenser 4, circulating pump 5, mixing water
Case 6, feed pump 7, vapour liquid separator 8, pressuring machine 9, wherein, boiler 1 is energy conversion, and input energy sources heat liquid to produce
Raw steam；Steam turbine 2 is that steam thermal energy is changed into the device of mechanical energy and drives generator 3 to generate electricity；Condenser 4 is exhaust steam cooling
Device, exhaust steam is cooled to liquid in the presence of cooling medium；Circulating pump 5 provides power for working medium circulation；The liquid of mixing tank 6
Heating and bunkerage, are mixed into steam direct heating liquid；Feed pump 7 provides power for working medium circulation；Vapour liquid separator 8
Vapour, liquid centrifugation；Pressuring machine 9 is steam boosting heating device；The import of boiler 1 is connected by pipeline with the outlet of feed pump 7, pot
Stove 1 outlet be connected by pipeline with the import of steam turbine 2, steam turbine 2 export pass through pipeline respectively with vapour liquid separator 8, condenser 4
Import is connected, and is connected between steam turbine 2 and generator 3 by power transmission shaft, the outlet of condenser 4 by pipeline respectively with circulating pump
5 imports, the outlet of vapour liquid separator 8 connection, the outlet of circulating pump 5 is connected by pipeline to the liquid-inlet of the corresponding side of mixing tank 6
Connect, the steam inlet of mixing tank 6 is connected by pipeline with the outlet of pressuring machine 9, and the liquid outlet of the opposite side of mixing tank 6 passes through
Pipeline is connected with the import of feed pump 7, and the steam (vapor) outlet of vapour liquid separator 8 is connected by pipeline with the import of pressuring machine 9, condenser 4
Cooling medium import and export is connected with low-temperature receiver respectively.
Operation principle of the present utility model is to enter steam turbine 2 from the steam of boiler 1 out by pipeline, steam is in vapour
Adiabatic expansion work done in turbine 2, the partial heat energy of steam is converted to mechanical energy and drives generator 3 to generate electricity wherein, has made work(
Low pressure exhaust steam respectively enters condenser 4, vapour liquid separator 8 by pipeline, and a part of low pressure exhaust steam in vapour liquid separator 8 is entered
Row vapor-liquid separation, the gas after separation is pressurizeed by pipeline into pressuring machine 9, improves the pressure and temperature of separation gas, simultaneously
Another part low pressure exhaust steam in condenser 4 carries out heat release to cooling medium, condenses into liquid after releasing the latent heat of vaporization, then
Coagulating liq is mixed with the liquid separated from vapour liquid separator 8, and mixing liquid is sent by pipeline via circulating pump 5
Enter mixing tank 6, cooling medium is come by low-temperature receiver, send low-temperature receiver cooling after being absorbed heat in condenser 4 back to again, form cooling circulation,
In mixing tank 6, the gas come from pressuring machine 9 is heated to mixing liquid, improves the temperature of liquid, its gas heat release
After condense into liquid and be incorporated in mixing liquid, the liquid after temperature is improved comes out from blending bin 6, is sent by pipeline by feed pump 7
Enter boiler 1 to be heated, as high temperature and high pressure steam, then high temperature and high pressure steam enters steam turbine 2 by pipeline, so far, complete
Into a new Steam Power Circulation, i.e., in Rankine cycle of the present utility model, utilize the part with the latent heat of vaporization
Exhaust steam, mixes heating with the weary vapor condensed water of another part, that improves boiler bears water temperature, and improves boiler knot after pressurization heating
Coolant-temperature gage can effectively improve the Steam Power Circulation thermal efficiency.
Claims (1)
1. improving the device of the Rankine cycle thermal efficiency, it includes boiler, steam turbine, generator, condenser, feed pump, the pot
Stove import is connected with the feedwater pump discharge, and the boiler export is connected with the steam turbine import, it is characterised in that it is also wrapped
Include circulating pump, mixing tank, vapour liquid separator, pressuring machine, the steam turbine outlet respectively with the vapour liquid separator, condenser
Import is connected, and is connected between the steam turbine and the generator by power transmission shaft, the condenser outlet respectively with it is described
Pump inlet, vapour liquid separator outlet connection, the liquid-inlet of circulating-pump outlet side corresponding to the mixing tank
Connection, the steam inlet of the mixing tank is connected with pressuring machine outlet, the liquid outlet of the mixing tank opposite side
It is connected with the feedwater pump inlet, the vapour liquid separator steam (vapor) outlet is connected with the pressuring machine import, the condenser
Cooling medium import and export is connected with low-temperature receiver respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720064771.6U CN206468383U (en) | 2017-01-19 | 2017-01-19 | Improve the device of the Rankine cycle thermal efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720064771.6U CN206468383U (en) | 2017-01-19 | 2017-01-19 | Improve the device of the Rankine cycle thermal efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468383U true CN206468383U (en) | 2017-09-05 |
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ID=59706312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720064771.6U Active CN206468383U (en) | 2017-01-19 | 2017-01-19 | Improve the device of the Rankine cycle thermal efficiency |
Country Status (1)
| Country | Link |
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| CN (1) | CN206468383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703914A (en) * | 2017-01-19 | 2017-05-24 | 无锡雪浪环境科技股份有限公司 | Device for improving Rankine cycle heat efficiency |
| WO2022225485A3 (en) * | 2021-04-21 | 2022-11-24 | Repg Enerji Sistemleri Sanayi Ve Ticaret Anonim Sirketi | A screwed generator which uses heat transfer method for generating energy |
-
2017
- 2017-01-19 CN CN201720064771.6U patent/CN206468383U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703914A (en) * | 2017-01-19 | 2017-05-24 | 无锡雪浪环境科技股份有限公司 | Device for improving Rankine cycle heat efficiency |
| WO2022225485A3 (en) * | 2021-04-21 | 2022-11-24 | Repg Enerji Sistemleri Sanayi Ve Ticaret Anonim Sirketi | A screwed generator which uses heat transfer method for generating energy |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 214000 no.2020 Lihu Avenue, Binhu District, Wuxi City, Jiangsu Province Patentee after: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 214128, Wuxi, Jiangsu province Binhu District Taihu Street double new economic Park Patentee before: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |