CN204695647U - A kind of organic rankine cycle system experimental provision - Google Patents
A kind of organic rankine cycle system experimental provision Download PDFInfo
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- CN204695647U CN204695647U CN201520253494.4U CN201520253494U CN204695647U CN 204695647 U CN204695647 U CN 204695647U CN 201520253494 U CN201520253494 U CN 201520253494U CN 204695647 U CN204695647 U CN 204695647U
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Abstract
The utility model provides a kind of organic rankine cycle system experimental provision, this organic rankine cycle system experimental provision take organism as cycle fluid, absorb the heat of thermal source, the high temperature and high pressure gas working medium of generation is done work by mechanical swelling thus drive electrical generators generating; Described experimental provision comprises pressue device, heating arrangement, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and the cooling device that pipeline connects successively.The organic rankine cycle system experimental provision that the utility model provides is small and exquisite, removable, easy disassembly, utility model people adopts compact scroll decompressor, pipeline is connected simultaneously and improve, correlation parameter setting is optimized, can be used for education experiment, fill up the blank of domestic ORC systematic teaching experiment and real training.
Description
Technical field
The utility model relates to a kind of experiment device for teaching, particularly relates to a kind of organic rankine cycle system experimental provision.
Background technology
The basic reason of current China Energy situation sternness is that energy consumption efficiency is low.The output efficiency of China's standard coal equivalent per ton is only equivalent to 10.3% of Japan, 28.6% of the U.S..In China's energy consumption of industry, the energy conversion of nearly 60-65% is residual heat resources, and wherein temperature is lower than the low temperature exhaust heat of less than 350 DEG C, accounts for 60% of waste heat total amount, adopts organic Rankine bottoming cycle cogeneration technology effectively to recycle it at present both at home and abroad.
Organic Rankine bottoming cycle (Organic Rankine Cycle, ORC) being take low-boiling-point organic compound as the Rankine cycle of working medium, primarily of waste heat boiler (or heat interchanger), turbine, condenser and working medium pump four large portion cover composition, organic working medium absorbs heat in heat interchanger from residual heat stream, generate the steam with certain pressure and temperature, steam enters turbomachinery expansion work, thus drive electrical generators or drag other power machine.From turbine discharge steam condenser to chilled water heat release, liquid state of congealing into, finally comes back to heat interchanger by working medium pump, so constantly circulation go down.Chinese patent CN103195520A discloses a kind of cascade organic Rankine cycle system and electricity-generating method thereof, and described system comprises two groups or more organic Rankine bottoming cycle unit; Each organic Rankine bottoming cycle unit includes condenser, liquor pump, evaporator, decompressor, generator, condenser, liquor pump, evaporator, decompressor connect successively, and form a circulation, decompressor drive electrical generators generates electricity.
At home and abroad about in the teaching research of organic rankine cycle system, be totally divided into three major types: 1, for the characteristic of different heat sources, propose organic rankine cycle system, compare from the different of other waste heat recovery mode and carry out economic analysis; 2, different cycle fluids is selected to carry out thermodynamic analysis; 3, organic Rankine bottoming cycle parts design and optimization.The research of the 3rd part more lays particular emphasis on parts modeling and experimental verification at present, introducing of relevant material object is fewer, also there is theoretical ivory-towered situation in teaching research simultaneously always, student only knows the knowwhy that ORC circulates, and the experiment device for teaching be not also applicable at present does corresponding experiment to student.
Utility model content
The utility model is in order to overcome the defect of prior art and not enough carry out, and object is to provide a kind of organic rankine cycle system experimental provision that can be used for education experiment.
For realizing above object, the utility model is achieved through the following technical solutions:
The utility model provides a kind of organic rankine cycle system experimental provision, it is characterized in that,
This organic rankine cycle system experimental provision take organism as cycle fluid, absorbs the heat of thermal source, and the high temperature and high pressure gas working medium of generation is done work by mechanical swelling thus drive electrical generators generating;
Described experimental provision comprises pressue device, heating arrangement, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and the cooling device that pipeline connects successively; Wherein,
Described pressue device is pressurizeed, is delivered to thermal source place fluid organic material working medium;
Described heating arrangement carries out heat interchange by through the organism working medium of described pressue device and thermal source, and cryogenic liquid organism working medium is heated into high temperature and high pressure gas working medium;
Described Blast Furnace Top Gas Recovery Turbine Unit (TRT) is that described high temperature and high pressure gas working medium is carried out expansion work by decompressor, generates electricity to make decompressor drive electrical generators;
Described cooling device be by expand after gas working medium be cooled to Low temperature low pressure liquid working medium.
In a preferred embodiment of the organic rankine cycle system experimental provision involved by the utility model, described pressue device comprises working medium fluid reservoir and the working medium supercharge pump of storage and fluid under pressure organism working medium; Described working medium supercharge pump can be ram pump, high-pressure diaphragm pump etc.
Further, between described working medium fluid reservoir and described working medium supercharge pump, a device for drying and filtering is set, for the water vapor in drying device.
Further, described working medium fluid reservoir is provided with the liquid level gauge for observing liquid level.
Further, the temperature of described thermal source is preferably 70 DEG C-400 DEG C, is more preferably 70 DEG C-350 DEG C, and such as 70 DEG C-100 DEG C, circulatory mediator is preferably water or gas.
In a preferred embodiment of the organic rankine cycle system experimental provision involved by the utility model, described heating arrangement comprises an evaporator, and described organism working medium and described thermal source carry out heat interchange in this evaporator; Described evaporator can use plate type heat exchanger, shell-and-tube heat exchanger etc.
Further, between described evaporator and described decompressor, be also provided with visor, for detecting the state of evaporator outlet working medium.
In a preferred embodiment of the organic rankine cycle system experimental provision involved by the utility model, described decompressor can be impeller decompressor, scroll expander, screw expander etc., is more preferably scroll expander.
In a preferred embodiment of the organic rankine cycle system experimental provision involved by the utility model, described cooling device comprises a condenser, and described condenser can use plate type heat exchanger, shell-and-tube heat exchanger etc.; The outlet of described cooling device is connected with the import of described pressue device, forms loop, and the Low temperature low pressure liquid working medium circulation cooled to make described cooling device uses; More preferably, the outlet of described cooling device is connected with described working medium fluid reservoir, and the Low temperature low pressure liquid working medium of described cooling device cooling is stored in fluid reservoir and realizes recycling.
In a preferred embodiment of the organic rankine cycle system experimental provision involved by the utility model, be also provided with retaining valve between described pressue device and described heating arrangement, between described Blast Furnace Top Gas Recovery Turbine Unit (TRT) and described cooling device, to prevent liquid backflow.
In a preferred embodiment of the organic rankine cycle system experimental provision involved by the utility model, described pipeline is provided with flowmeter, thermo detector, measuring cell.
In a preferred embodiment of the organic rankine cycle system experimental provision involved by the utility model, described organism working medium comprises halogenated hydrocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs), hydrogen fluorohydrocarbon (HFCs), alkane (HCs), such as: R600, R600a, R245fa, R236fa, R236ca, R601, R601a, RC318, R227ca, all there is the characteristic of nontoxic, safety, environmental protection.
The utility model compared with prior art, has following beneficial effect:
1) small and exquisite, removable, the easy disassembly of the organic rankine cycle system experimental provision that provides of the utility model, utility model people adopts compact scroll decompressor, pipeline is connected simultaneously and improve, correlation parameter setting is optimized, can be used for education experiment, fill up the blank of domestic ORC systematic teaching experiment and real training;
2) contribute to student's theory in conjunction with actual learning ORC circulation, contribute to Learning Motive engineering observation and control technology, Engineering Thermodynamics, therrmodynamic system and equipment, heat power generating system etc.;
3) the organic rankine cycle system experimental provision that the utility model provides can do following experiment: ORC Performance Analysis; Heat source fluid temperature in is on the impact of heat recovery efficiency; Flow is on the impact of heat recovery efficiency; Evaporating pressure is on the impact etc. of heat recovery efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in an embodiment of the organic rankine cycle system experimental provision involved by the utility model;
Fig. 2 is the three-dimensional structure diagram in an embodiment of the organic rankine cycle system experimental provision involved by the utility model.
In figure:
100. organic rankine cycle system experimental provisions;
1. pressue device; 11. working medium fluid reservoirs; 12. working medium supercharge pumps;
2. heating arrangement; 21. evaporators; 22. heat-exchanger pumps; 23. boilers;
3. Blast Furnace Top Gas Recovery Turbine Unit (TRT); 31. decompressors; 32. expansion valves; 33. visors; 34.24v accumulator;
4. cooling device; 41. condensers; 42. cooling water inlets;
A1, A2: retaining valve;
B1, B2: flowmeter.
Embodiment
Referring to accompanying drawing, the organic rankine cycle system experimental provision involved by the utility model is elaborated.
Fig. 1 is the schematic diagram in an embodiment of the organic rankine cycle system experimental provision involved by the utility model.
As shown in Figure 1, organic rankine cycle system experimental provision 100 comprises pressue device 1, heating arrangement 2, Blast Furnace Top Gas Recovery Turbine Unit (TRT) 3 and the cooling device 4 that pipeline connects successively.
Described pressue device 1 is that fluid organic material working medium is forced into thermal source place, is about to the fluid organic material working medium be stored in working medium fluid reservoir 11 and is forced into thermal source place through working medium supercharge pump 12; Described working medium supercharge pump 12 can be ram pump, high-pressure diaphragm pump etc.
Organism working medium involved by the utility model comprises halogenated hydrocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs), hydrogen fluorohydrocarbon (HFCs), alkane (HCs), such as: R600, R600a, R245fa, R236fa, R236ca, R601, R601a, RC318, R227ca, the present embodiment adopts R245fa as organism working medium.
The temperature of the thermal source involved by the utility model is preferably 70 DEG C-400 DEG C, is more preferably 70 DEG C-350 DEG C, and the present embodiment for thermal source, is stored in boiler 23 with the hot water of 70 DEG C-100 DEG C, squeezes in the evaporator 21 of described heating arrangement 2 through heat-exchanger pump 22.
Described heating arrangement 2 carries out heat interchange by through the organism working medium of described pressue device 1 and thermal source, and cryogenic liquid organism working medium is heated into high temperature and high pressure gas working medium; Described heating arrangement 2 comprises an evaporator 21, and described organism working medium and described thermal source carry out heat interchange in this evaporator 21; Described evaporator 21 can use plate type heat exchanger, shell-and-tube heat exchanger etc.
In evaporator 21, the high temperature and high pressure gas working medium of heating flows in the decompressor 31 of described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 3, and carry out expansion work, to make decompressor 31 drive electrical generators generate electricity, in the present embodiment, the electricity of generating is stored in 24v accumulator 34.
Visor 33 is also provided with, for detecting the state of evaporator outlet working medium between described evaporator 21 and described decompressor 31; Described decompressor 31 can be impeller decompressor, scroll expander etc., and being more preferably screw compressor converts; Described decompressor 31 controls its power by expansion valve 32.
The gas working medium expanded from decompressor 31 is cooled to Low temperature low pressure liquid working medium described cooling device 4; Described cooling device 4 comprises a condenser 41, and described condenser 41 can use plate type heat exchanger, shell-and-tube heat exchanger etc.; The cooling medium of condenser 41 is chilled water, and chilled water enters condenser 41 from cooling water inlet 42.
The outlet of described cooling device 4 is connected with the import of described pressue device 1, forms loop, and the Low temperature low pressure liquid working medium circulation cooled to make described cooling device 4 uses; In the present embodiment, more preferably, the outlet of described cooling device 4 is connected with described working medium fluid reservoir 11, and the Low temperature low pressure liquid working medium that described cooling device 4 cools is stored in fluid reservoir 11 and realizes recycling.
For preventing liquid backflow, between described pressue device 1 and described heating arrangement 2, between described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 3 and described cooling device 4, be respectively arranged with retaining valve A1, A2.
The relevant position of above-mentioned pipeline is also provided with flowmeter B1, B2, thermo detector T1 ~ T6, measuring cell P3 ~ P6.
Fig. 2 is the three-dimensional structure diagram in an embodiment of the organic rankine cycle system experimental provision involved by the utility model.
As shown in Figure 2, fluid organic material working medium R245fa is from working medium fluid reservoir in working medium supercharge pump 12 evaporator 21 that to be forced into the hot water of 70 DEG C-100 DEG C be circulation thermal source, and described organism working medium and described thermal source carry out heat interchange in this evaporator 21; The high temperature and high pressure gas working medium of heating in evaporator 21 flows in decompressor 31, carries out expansion work, generates electricity to make decompressor 31 drive electrical generators; The gas working medium expanded from decompressor 31 is cooled to Low temperature low pressure liquid working medium condenser 41, the outlet of condenser 41 is connected with described working medium fluid reservoir 11, and the Low temperature low pressure liquid working medium that described condenser 41 cools is stored in fluid reservoir 11 and realizes recycling.
The organic rankine cycle system experimental provision that the utility model provides is small and exquisite, removable, easy disassembly, utility model people adopts compact scroll decompressor, pipeline is connected simultaneously and improve, correlation parameter setting is optimized, can be used for education experiment, fill up the blank of domestic ORC systematic teaching experiment and real training.
Be described in detail specific embodiment of the utility model above, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not departing from the equalization conversion and amendment done under spirit and scope of the present utility model, all should be encompassed in scope of the present utility model.
Claims (10)
1. an organic rankine cycle system experimental provision, is characterized in that,
This organic rankine cycle system experimental provision take organism as cycle fluid, absorbs the heat of thermal source, and the high temperature and high pressure gas working medium of generation is done work by mechanical swelling thus drive electrical generators generating,
Described experimental provision comprises pressue device, heating arrangement, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and the cooling device that pipeline connects successively,
Wherein, described pressue device is pressurizeed, is delivered to thermal source place fluid organic material working medium;
Described heating arrangement carries out heat interchange by through the organism working medium of described pressue device and thermal source, and cryogenic liquid organism working medium is heated into high temperature and high pressure gas working medium;
Described Blast Furnace Top Gas Recovery Turbine Unit (TRT) is that described high temperature and high pressure gas working medium is carried out expansion work by decompressor, generates electricity to make decompressor drive electrical generators;
Described cooling device be by expand after gas working medium be cooled to Low temperature low pressure liquid working medium.
2. organic rankine cycle system experimental provision according to claim 1, is characterized in that:
Wherein, described pressue device comprises working medium fluid reservoir and the working medium supercharge pump of storage and fluid under pressure organism working medium.
3. organic rankine cycle system experimental provision according to claim 2, is characterized in that:
Wherein, between described working medium fluid reservoir and described working medium supercharge pump, a device for drying and filtering is set.
4. organic rankine cycle system experimental provision according to claim 1, is characterized in that
Wherein, the temperature of described thermal source is 70 DEG C-400 DEG C.
5. organic rankine cycle system experimental provision according to claim 1, is characterized in that:
Wherein, described heating arrangement comprises an evaporator, described organism working medium and described thermal source
Heat interchange is carried out in this evaporator.
6. organic rankine cycle system experimental provision according to claim 5, is characterized in that:
Wherein, visor is provided with between described evaporator and described decompressor.
7. organic rankine cycle system experimental provision according to claim 1, is characterized in that:
Wherein, described decompressor is scroll expander.
8. organic rankine cycle system experimental provision according to claim 1, is characterized in that:
Wherein, described cooling device comprises a condenser, and the outlet of described cooling device is connected with the import of described pressue device, forms loop, and the Low temperature low pressure liquid working medium circulation cooled to make described cooling device uses.
9. organic rankine cycle system experimental provision according to claim 1, is characterized in that:
Wherein, retaining valve is provided with between described pressue device and described heating arrangement, between described Blast Furnace Top Gas Recovery Turbine Unit (TRT) and described cooling device.
10. organic rankine cycle system experimental provision according to claim 1, is characterized in that:
Wherein, described pipeline is provided with flowmeter, thermo detector, measuring cell.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794966A (en) * | 2015-04-22 | 2015-07-22 | 上海理工大学 | Organic Rankine cycle system experimental device |
| CN106285800A (en) * | 2016-09-20 | 2017-01-04 | 上海理工大学 | A kind of low temperature exhaust heat Rankine cycle dynamical system and electricity generation system |
| CN106773922A (en) * | 2016-12-01 | 2017-05-31 | 河北工业大学 | A kind of control system of low-quality waste heat recovery generating device |
| CN111579260A (en) * | 2020-04-03 | 2020-08-25 | 东方电气集团东方汽轮机有限公司 | Performance test method of geothermal generator set |
-
2015
- 2015-04-22 CN CN201520253494.4U patent/CN204695647U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794966A (en) * | 2015-04-22 | 2015-07-22 | 上海理工大学 | Organic Rankine cycle system experimental device |
| CN106285800A (en) * | 2016-09-20 | 2017-01-04 | 上海理工大学 | A kind of low temperature exhaust heat Rankine cycle dynamical system and electricity generation system |
| CN106773922A (en) * | 2016-12-01 | 2017-05-31 | 河北工业大学 | A kind of control system of low-quality waste heat recovery generating device |
| CN106773922B (en) * | 2016-12-01 | 2019-04-23 | 河北工业大学 | A kind of control system of low-quality waste heat recovery generating device |
| CN111579260A (en) * | 2020-04-03 | 2020-08-25 | 东方电气集团东方汽轮机有限公司 | Performance test method of geothermal generator set |
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Granted publication date: 20151007 Termination date: 20160422 |