CN204511792U - Solar energy ORC produces compressed-air actuated system - Google Patents
Solar energy ORC produces compressed-air actuated system Download PDFInfo
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- CN204511792U CN204511792U CN201520056541.6U CN201520056541U CN204511792U CN 204511792 U CN204511792 U CN 204511792U CN 201520056541 U CN201520056541 U CN 201520056541U CN 204511792 U CN204511792 U CN 204511792U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model relates to solar utilization technique, aims to provide a kind of solar energy ORC and produces compressed-air actuated system.In this system, turbine coaxial all-in-one machine is by turbo-expander and the coaxial direct connection of turbocompressor; Each equipment realizes connecting by pipeline: the outlet end of working medium pump connects with the working medium entrance of heat exchanger through the first heat exchanger channels of regenerator, and the sender property outlet of heat exchanger is connected to the working medium entrance of turbo-expander; The sender property outlet of turbo-expander is connected to the working medium entrance of condenser through the second heat exchanger channels of regenerator, and the sender property outlet of condenser is connected to the entry end of working medium pump; Heat exchanger is provided with thermal source inlet and thermal source outlet, and the channel outlet of solar heat-collection plate is connected to thermal source inlet, and thermal source outlet is connected to the feeder connection of solar heat-collection plate through heat conduction oil circulating pump.The utility model utilizes solar energy ORC to produce pressurized air; The effect of buffering can be played on the one hand by oil storage tank, also can the amount of conduction oil in control system.
Description
Technical field
The utility model relates to technical field of solar utilization technique, especially relates to a kind of solar energy ORC and produces compressed-air actuated system.
Background technique
The thermodynamic cycle technology that can realize hot merit (electricity) transformation technology at present mainly contains: Rankine cycle (ORC), ammoniacal liquor Kalina circulation, semi-conductor thermoelectric material thermo-electric generation, hot sound generating etc.Wherein semiconductor temperature differential generating technology is subject to the restriction of thermoelectric energy conversion efficiency and cost; There is the problems such as time of relaxation in thermo-acoustic technology, cycle efficiency can not ensure; Kalina Cyclical Theory efficiency is high, but forms complicated, and engineer applied reliability still needs inspection.ORC power generation system have good mobility, height Security and to advantages such as the requirement of maintaining are lower, be integrated into energy system, drive with waste heat and can realize the conversion of low-grade energy to high-grade energy (electric energy), alleviate electric power burden, improve total generating efficiency and generated energy.
Solar energy thermal-power-generating first solar energy is converted to heat energy, then be electric energy by thermal energy, and it has two kinds of transform modes.One is that solar thermal energy is directly changed into electric energy, as the thermo-electric generation of semiconductor or metallic material, and the thermoelectron in vacuum device and the generating of thermoelectricity ion, alkali metal thermo-electric is changed, and magnetohydrodynamic generator etc.Another kind of mode is generated electricity by heat engine (as steam turbine) drive electrical generators by solar energy.Wherein, solar energy is drive steam turbine power generation after converting solar energy into heat energy water is heated into steam by the generating of heat engine drive electrical generators.This generation mode has the following disadvantages:
(1) adopt conventional steam Rankine cycle, steam gasification latent heat ratio is large, and whole system has from the caloric receptivity of solar energy is very most ofly wasted by condenser heat rejection, and system effectiveness is very low;
(2) because heat source temperature is not high, heat exchanger can not produce very high vapor pressure, and acting steam specific volume is large.
Pressurized air is the second largest power source being only second to electric power, be again the technique source of the gas served many purposes, its application area is throughout industry and departments such as oil, chemical industry, metallurgy, electric power, machinery, light industry, weaving, automobile making, electronics, food, medicine, biochemistry, national defence, scientific researches.Existing pressurized air preparation method often needs a large amount of energy consumptions, if adopt solar energy ORC to produce pressurized air, greatly can reduce the energy consumption of process industry, improve energy efficiency.
But, in ORC power generation system, owing to entering the random fluctuation of decompressor working medium flow and pressure, working medium can not fully effective steadily expansion work (expansion ratio of general screw expander controls at about 1:4) in decompressor, cause rotary speed unstabilization fixed, affect the stability of ORC systems generate electricity, reduce generating efficiency.If utilize decompressor Direct driver air compressor, normal air is compressed.Pressurized air is directly incorporated into gas pipeline network by after voltage stabilizing (decompression), and the energy efficiency of system can significantly improve.
Model utility content
The technical problems to be solved in the utility model is, overcomes deficiency of the prior art, provides a kind of solar energy ORC to produce compressed-air actuated system.
For technical solution problem, the technological scheme that the utility model adopts is:
There is provided a kind of solar energy ORC to produce compressed-air actuated system, comprise heat exchanger, turbine coaxial all-in-one machine, regenerator, condenser, working medium pump, solar heat-collection plate and heat conduction oil circulating pump; Described turbine coaxial all-in-one machine is by turbo-expander and the coaxial direct connection of turbocompressor, and turbo-expander is used for expansion work, and turbocompressor is used for producing pressurized air; Wherein, turbo-expander is provided with working medium entrance and sender property outlet, and turbocompressor is provided with air inlet and compressed air outlet;
Realize connecting by pipeline between each equipment: the outlet end of working medium pump connects with the working medium entrance of heat exchanger through the first heat exchanger channels of regenerator, and the sender property outlet of heat exchanger is connected to the working medium entrance of turbo-expander; The sender property outlet of turbo-expander is connected to the working medium entrance of condenser through the second heat exchanger channels of regenerator, and the sender property outlet of condenser is connected to the entry end of working medium pump; Heat exchanger is provided with thermal source inlet and thermal source outlet, and the channel outlet of solar heat-collection plate is connected to thermal source inlet, and thermal source outlet is connected to the feeder connection of solar heat-collection plate through heat conduction oil circulating pump.
In the utility model, described condenser is the condenser of air cooling or water-cooled.
In the utility model, the pipeline between heat exchanger thermal source outlet and heat conduction oil circulating pump is provided with oil storage tank.
Utilize device described in the utility model to realize ORC and produce compressed-air actuated method, comprising:
The organic working medium of low pressure (1 ~ 2.5bar) liquid state is pressurised into supercooled liquid by working medium pump, heat exchanger is sent into again after regenerator heat exchange, absorb the energy in the conduction oil of solar heat-collection plate discharge, change high pressure (5 ~ 10bar) high temperature (60 ~ 80 DEG C) steam into; Organic working medium is imported into turbo-expander after discharging in heat exchanger; While turbo-expander expansion work, drive the turbocompressor of direct connection to compress normal air, obtain pressurized air; After turbo-expander acting, organic working medium is discharged with the vaporous form of 1.5 ~ 3bar and is delivered to regenerator, and the organic working medium of the supercooled liquid pressurizeed with working medium pump carries out heat exchange, then enters condenser be condensed into liquid state after low-temperature receiver heat release, return working medium pump entrance, realize reciprocation cycle with this.
Described low-temperature receiver is air or water: if adopt air-cooled condenser, low-temperature receiver is air; If employing water-cooled condenser, low-temperature receiver is water.Described organic working medium is freon.Also non-Freon working medium can be applied, such as silicone oil, carbon dioxide etc. in some special industry occasions.
Compared with prior art, the beneficial effects of the utility model are:
1, utilize solar energy ORC, produce the pressurized air that requirement in industrial processes is large;
2, the effect of buffering can be played by oil storage tank on the one hand, ensure that conduction oil continues to circulate smoothly, thus ensure that the temperature of organic working medium in heat exchanger there will not be fluctuation, be conducive to protection organic working medium not because temperature fluctuation generation physical property changes; Conduction oil can be supplemented in time on the other hand.And, can the amount of conduction oil in control system by oil storage tank, and then the temperature stabilization of organic working medium can be ensured, there will not be fluctuation.
Accompanying drawing explanation
Fig. 1 is that ORC of the present utility model produces compressed-air actuated device schematic diagram;
Fig. 2 is turbine coaxial all-in-one machine schematic diagram.
Be labeled as in figure: heat exchanger 1, turbine coaxial all-in-one machine 2, regenerator 3, condenser 4, working medium pump 5, solar heat-collection plate 6, oil storage tank 7, heat conduction oil circulating pump 8, (heat exchanger) thermal source inlet 11, (heat exchanger) sender property outlet 12, (heat exchanger) thermal source outlet 13, (heat exchanger) working medium entrance 14, (turbo-expander) working medium entrance 21, (turbo-expander) sender property outlet 22, turbo-expander 23, turbocompressor 24, (the second heat exchanger channels) working medium entrance 31, (the second heat exchanger channels) sender property outlet 32, (the first heat exchanger channels) working medium entrance 34, (the first heat exchanger channels) sender property outlet 33, (condenser) working medium entrance 41, (condenser) sender property outlet 42, (solar heat-collection plate) channel outlet 61, (solar heat-collection plate) feeder connection 62.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
In the utility model, solar energy ORC produces compressed-air actuated system, comprises heat exchanger 1, turbine coaxial all-in-one machine 2, regenerator 3, condenser 4, working medium pump 5, solar heat-collection plate 6 and heat conduction oil circulating pump 7; Wherein, turbine coaxial all-in-one machine 2 is by turbo-expander 23 and the coaxial direct connection of turbocompressor 24, and turbo-expander 23 is for expansion work, and turbocompressor 24 is for producing pressurized air; Wherein, turbo-expander 23 is provided with working medium entrance and sender property outlet, and turbocompressor 24 is provided with air inlet and compressed air outlet;
When turbine coaxial all-in-one machine 2 works, turbo-expander 23 is connected with turbocompressor 24 coaxial constant-speed, avoids different driven off by shaft mechanical efficiency loss, improves and produce compressed-air actuated whole efficiency.
Realize connecting by pipeline between each equipment of the present utility model: the outlet end of working medium pump 5 connects with the working medium entrance 14 of heat exchanger 1 through the first heat exchanger channels of regenerator 3, and the sender property outlet 12 of heat exchanger 1 is connected to the working medium entrance 21 of turbo-expander 23; The sender property outlet 22 of turbo-expander 23 is connected to the working medium entrance 41 of condenser 4 through the second heat exchanger channels of regenerator 3, and the sender property outlet 42 of condenser 4 is connected to the entry end of working medium pump 5; Heat exchanger 1 is provided with thermal source inlet 11 and thermal source outlet 13, and the channel outlet 61 of solar heat-collection plate 6 is connected to thermal source inlet 11, and thermal source outlet 13 is connected to the feeder connection 62 of solar heat-collection plate 6 through oil storage tank 7, heat conduction oil circulating pump 8.
Device in the utility model establishes control system, not only realize the basic controlling of the electric and instrument relevant to device, and by arranging sensor on pipeline, by the aperture of regulating and controlling valve, reaching and improving the optimum condition effect of turbo-expander 23 and the reliability of system.Turbine coaxial all-in-one machine 2 establishes lubricating oil system.
Utilize aforementioned system to realize ORC and produce compressed-air actuated method, comprising:
Low pressure (1 ~ 2.5bar) organic working medium is pressurised into supercooled liquid by working medium pump 5, heat exchanger 1 is sent into again after regenerator 3 heat exchange, absorb the energy in the conduction oil of solar heat-collection plate 6 discharge, change high pressure (5 ~ 10bar) high temperature (60 ~ 80 DEG C) steam into; Organic working medium is imported into turbo-expander 23 after discharging in heat exchanger 1; While turbo-expander 23 expansion work, drive turbocompressor 24 pairs of normal air of direct connection to compress, obtain pressurized air; After turbo-expander 23 does work, organic working medium is discharged with the form of low-pressure steam (1.5 ~ 3bar) and is delivered to regenerator 3, the organic working medium of the supercooled liquid pressurizeed with working medium pump 5 carries out heat exchange, then enter condenser 4 to low-temperature receiver (if water-cooled pattern, cooling water about 30 DEG C; If air-cooled pattern, air normal temperature 20 DEG C) be condensed into liquid state after heat release, return working medium pump 5 entrance, realize reciprocation cycle with this.Described low-temperature receiver is water or air, and organic working medium is freon.
Claims (3)
1. solar energy ORC produces a compressed-air actuated system, comprises heat exchanger; It is characterized in that, this device also comprises: turbine coaxial all-in-one machine, regenerator, condenser, working medium pump, solar heat-collection plate and heat conduction oil circulating pump;
Described turbine coaxial all-in-one machine is by turbo-expander and the coaxial direct connection of turbocompressor, and turbo-expander is used for expansion work, and turbocompressor is used for producing pressurized air; Wherein, turbo-expander is provided with working medium entrance and sender property outlet, and turbocompressor is provided with air inlet and compressed air outlet;
Realize connecting by pipeline between each equipment: the outlet end of working medium pump connects with the working medium entrance of heat exchanger through the first heat exchanger channels of regenerator, and the sender property outlet of heat exchanger is connected to the working medium entrance of turbo-expander; The sender property outlet of turbo-expander is connected to the working medium entrance of condenser through the second heat exchanger channels of regenerator, and the sender property outlet of condenser is connected to the entry end of working medium pump;
Heat exchanger is provided with thermal source inlet and thermal source outlet, and the channel outlet of solar heat-collection plate is connected to thermal source inlet, and thermal source outlet is connected to the feeder connection of solar heat-collection plate through heat conduction oil circulating pump.
2. system according to claim 1, is characterized in that, described condenser is air-cooled condenser or water-cooled condenser.
3. system according to claim 1, is characterized in that, the pipeline between heat exchanger thermal source outlet and heat conduction oil circulating pump is provided with oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056541.6U CN204511792U (en) | 2015-01-27 | 2015-01-27 | Solar energy ORC produces compressed-air actuated system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520056541.6U CN204511792U (en) | 2015-01-27 | 2015-01-27 | Solar energy ORC produces compressed-air actuated system |
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| CN204511792U true CN204511792U (en) | 2015-07-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612917A (en) * | 2015-01-27 | 2015-05-13 | 杭州哲达科技股份有限公司 | System and method for preparing compressed air through solar ORC |
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- 2015-01-27 CN CN201520056541.6U patent/CN204511792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612917A (en) * | 2015-01-27 | 2015-05-13 | 杭州哲达科技股份有限公司 | System and method for preparing compressed air through solar ORC |
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