CN103161774A - Liquid piston device with isothermy scaling of air achievable and with temperature controlled inside - Google Patents
Liquid piston device with isothermy scaling of air achievable and with temperature controlled inside Download PDFInfo
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- CN103161774A CN103161774A CN2013100777345A CN201310077734A CN103161774A CN 103161774 A CN103161774 A CN 103161774A CN 2013100777345 A CN2013100777345 A CN 2013100777345A CN 201310077734 A CN201310077734 A CN 201310077734A CN 103161774 A CN103161774 A CN 103161774A
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Abstract
The invention belongs to the technical field of liquid pistons, and particularly relates to a liquid piston device with isothermy scaling of air achievable and with temperature controlled inside. According to the liquid piston device with the isothermy scaling of the air achievable and with the temperature controlled inside, the top portions of two liquid piston chambers are respectively connected with a high pressure gas pipeline and a low pressure gas pipeline, the bottom portions of the two liquid piston chambers are both connected with an external hydraulic set through respective liquid pipelines, and a plurality of intracavity liquid storage units are arranged in the liquid piston chambers. When the liquid piston device operates, liquid stays in the intracavity liquid storage units, and the liquid storage units are used for increasing the contact area between the liquid and the air to improve heat exchange speed between the liquid and the air, and liquid temperature is used for controlling air temperature to achieve the isothermy scaling of the air. The intracavity liquid storage units are of two basic structures, have multiple enhancement type temperature control modes such as the spraying mode, the liquid circulation mode, and the air filtering mode, and can be realized through one or multiple combination types.
Description
Technical field
The invention belongs to liquid piston technical field and compressed-air energy storage field, relate in particular to a kind of concurrent heating temperature control technique that utilizes liquid piston, be specifically related to a kind of temp liquid piston device that makes gas isothermal convergent-divergent.
Background technique
Energy storage technology has been regarded as the important component part in the operation of power networks process, and wherein compressed-air energy storage is used comparatively extensive.But there is certain narrow limitation in compressed-air energy storage, the major defect of compressed-air energy storage is usually to coordinate with gas turbine, need to consume combustion gas, produce environmental pollution, easily reveal, energy density is low, and when air compressing, expansion, temperature variation is violent, and is larger to the injury of equipment, causes the cost of overhaul high.
In recent years, existing research is applied to liquid piston in compressed-air energy storage, solved the environmental pollution problem that compressed-air energy storage brings, but air compressing/inflation process mostly is thermal insulation or free expansion process, temperature variation is violent, produce heat and be difficult for preserving, pressurized air potential energy can not utilize fully, and the energy storage utilization ratio is low.
In domestic and international existing liquid piston, each piston cavity is comprised of single high-pressure bottle, without holding the design of liquid cell mesh, more without temperature conditioning unit in the chamber.Its drawback is that gas convergent-divergent process mostly is adiabatic, free expansion process, makes the pressurized air efficient that releases energy low.
Summary of the invention
The present invention is directed to have heat loss in the compression process of compressed-air energy storage and when expanding low temperature cause the large problem of pressure decline energy loss, a kind of temp liquid piston device that makes gas isothermal convergent-divergent is proposed.
The technical solution used in the present invention is:
The top in two liquid piston chambeies is connected with the low-pressure gas pipeline with the pressurized gas pipeline respectively; Bottom and the outside waterpower equipment connection in two liquid piston chambeies; Arrange in the liquid piston chamber and hold the liquid unit in a plurality of chambeies.
Described outside hydraulic set is the equipment that is driven by the liquid potential energy difference that comprises hydraulic piston mechanism, oil hydraulic motor, utilizes outside hydraulic set to realize conversion between liquid potential energy and other form energies.
Hold the liquid unit in described chamber and construct with Heat Conduction Material, be used for storage of liquids, increase the area of contact with gas, promote the heat exchange of liquids and gases, based on the large characteristics of specific heat of liquid, utilize stable fluid temperature to control gas temperature, limit temperature changes within the specific limits.
Holding the liquid unit in described chamber has two kinds of basic structures, is respectively the sink structure of top open bottom sealing and upper body sealing bottom and is connected to water pack arrangement below the liquid level of piston cavity bottom by pipeline; Adopt on this basis with spraying, liquid circulated, three kinds of temperature control methods of air-filtering type further to strengthen the temperature control effect
Hold liquid unit the first basic structure in described chamber, the sink structure form that is the sealing of top open bottom is: hold the liquid unit in several chambeies by vertically being placed in the liquid piston chamber, hold in the chamber between liquid unit and liquid piston cavity wall and have the space, liquids and gases can pass through from the space, utilize the gaseous exchange mode to realize temperature control.
Hold liquid unit the second basic structure in described chamber, water pack arrangement form is: the upper body of holding the liquid unit in the chamber is placed in the liquid piston chamber with the water tank of sealing or tube shaped, holding the liquid unit bottom in the chamber is connected to below the liquid level of bottom, liquid piston chamber by pipeline, when liquid level holds the liquid unit in lower than the chamber, due to upper end closed, liquid in the upper body structure can be retained, and realizes the temperature of gas is controlled by the gaseous exchange mode.
For further improving convection effects, no matter be sink structure and water pack arrangement form, can increase the area that the supporting facility such as radiating fin increases thermal conduction portions, improve the ability of heat exchange between liquids and gases.。
Described with spraying temperature control method is: hold a kind of of two kinds of basic structures of liquid unit employing in the chamber, the bottom of the upper body of the bottom of its sink structure or water pack arrangement arranges the water hole, after liquid level holds the liquid unit bottom in lower than the chamber, liquid can flow out from the water hole and form the effect of spray downwards, strengthens the heat exchange of liquids and gases.
Described air-filtering type temperature control method is: holding the liquid unit in the chamber is sink structure, hold the liquid unit in several chambeies by vertically being placed in the liquid piston chamber, hold in the chamber between liquid unit and liquid piston cavity wall and have the space, top center position at sink structure arranges baffle plate, block the air flue that holds top, liquid unit in the chamber, construct local minisize liquid piston, make gas with bubble form by holding the liquid unit, strengthen the heat exchange between gas and liquid.
Described liquid circulated temperature control method is: after liquid level holds the liquid unit main body in lower than the chamber, hold the one or both ends access water pump of liquid unit lower pipeline in the chamber of water pack arrangement, drive the liquid-circulating that holds in the liquid of bottom, liquid piston chamber and chamber in the liquid unit; Or adopt extra pipeline and water pump, and the liquid of bottom, liquid piston chamber is sent into sink structure hold in the liquid unit, form liquid-circulating and strengthen the liquids and gases heat exchange.
The upper body airtight place of holding the bottom of the first basic structure of liquid unit or the second basic structure in described chamber is provided with valve, hold the liquid unit during valve closing in the chamber and have the liquid of holding ability, hold the inside and outside water in liquid unit during valve open in the chamber and mix, make that to hold the inside and outside fluid temperature in liquid unit in the chamber consistent.
But hold make and the use of temperature control method combination in any of liquid unit in described chamber.
Described liquid piston chamber is adopted internal liquid suction heat release to carry out temperature to gas and is controlled, and fluid temperature can surpass the scope that allows when working long hours.Can utilize liquid piston chamber bottom liquid port discharge liquid this moment, the liquid from other suitable liquid source acquisition suitable temperatures pumps into piston cavity again.
Useful benefit of the present invention comprises the following aspects:
(1) the present invention improves conventional compression air energy storage technology, take liquid as medium, air is compressed and discharges, and leaks when having reduced the gas convergent-divergent and the mechanical friction of sliding and bringing, and energy discharges thoroughly, and efficient is high; Both the advantage of integrated liquid piston, took into account again function of temperature control, improved the utilization ratio of energy in pressurized air, has good energy-saving effect; Solved gas volume and changed institute's violent temperature variation of bringing to the potential hazard of equipment, assurance working gas temperature in energy storage/exoergic process is basicly stable.
(2) the present invention arranges in the liquid piston chamber and holds the liquid unit, solved in the compressed-air energy storage process the problem of temperature variation to effectiveness affects, hold the liquid unit in the chamber and realize gas isothermal compression, inflation process by special construction design, improve compressed air efficiency.
(3) the present invention changes the potential energy in pressurized air take liquid as medium, by external energy conversion unit, is mechanical energy or other form of energy with the liquid potential energy converting and energy, for generating or machine-building etc. provide motive force.Package unit improved the energy utilization efficiency of compressed-air energy storage, and kept that liquid piston is applied to of low pollution that compressed-air energy storage has advantages of, leaks less, few friction, consists of the green high-efficient compressed-air energy-storage system.
(4) the present invention adopts liquid piston, can realize high and low pressure water end (W.E.) mouth by the design of pressure transition duct, and convenient external energy conversion unit connects, and realizes that the liquid between two chambeies exchanges.
(5) the present invention can realize installing on the spot, reduces the compressed-air energy storage hardware requirement, does not need the specific geographic condition, reduces and builds installation difficulty, reduces and builds installation cost.
Description of drawings
Fig. 1 is a kind of implementation that can make the temp liquid piston device of gas isothermal convergent-divergent;
Fig. 2 is the schematic diagram that holds liquid unit employing sink structure in the chamber;
Fig. 3 holds the liquid unit to adopt sink structure in the chamber, in conjunction with the structural representation of air-filtering type temperature control method, wherein Fig. 3 (a) and Fig. 3 (b) are respectively and set up baffle plate and baffle plate, tank in conjunction with two kinds of forms;
Fig. 4 holds liquid unit employing sink structure, the structural representation of with spraying, liquid circulated two kinds of temperature control methods in the chamber;
Fig. 5 holds liquid unit employing water pack arrangement in the chamber, the structural representation of liquid circulated temperature control method, and wherein Fig. 5 (a) and Fig. 5 (b) are respectively the different expression form of main body closed conduct formula;
Fig. 6 is the structural representation of Fig. 4, Fig. 5 structure and the temperature control method composite entity exemplary plot of a kind of temp liquid piston device provided by the invention;
Fig. 7 (a) is Fig. 2, Fig. 4 structure and the temperature control method composite entity exemplary plot of a kind of temp liquid piston device provided by the invention, and wherein Fig. 7 (b) is for holding the details enlarged view of liquid unit.
Fig. 8 is the overall construction drawing that holds the valvular temp liquid piston of liquid unit bottom band device in the chamber;
Fig. 9 is the overall construction drawing of outside hydraulic set when being hydraulic pump;
Figure 10 is the overall construction drawing of outside hydraulic set when being hydraulic piston;
Number in the figure:
1-pressurized gas port, 2-low-pressure gas port, 3-first liquid port, 4-second liquid port, 5-first liquid piston cavity, 6-second liquid piston cavity, hold the liquid unit in the 7-chamber, 8-pressurized gas pipeline, 9-low-pressure gas pipeline, 10-first liquid pipeline, 11-second liquid pipeline, the outside hydraulic set of 12-, 13-18-valve, 19-hold the liquid cell shutter, the 20-water pump, 21-liquid-circulating pipeline, the 22-water seepage hole holds the valve of liquid unit bottom in the 23-chamber, the 24-27-valve, the 28-hydraulic pump, 29-32-valve, 33-hydraulic piston.
Embodiment
The invention provides a kind of temp liquid piston device that makes gas isothermal convergent-divergent, the present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a kind of implementation that can make the temp liquid piston device of gas isothermal convergent-divergent.This device forms by holding liquid unit 7, pressurized gas pipeline 8, low-pressure gas pipeline 9, fluid pipeline 10,11, some valve 13-18 in two liquid piston chambeies 5,6, some chambeies; Wherein the top of first liquid piston cavity 5 is connected with being connected to be connected with the low-pressure gas pipeline with pressurized gas pipeline 8 respectively by valve 13, and the top of second liquid piston cavity 6 is passed through valve 15 and is connected with high pressure gas pipeline road 8, Low-pressure Gas Pipeline 9 with being connected respectively; Liquid piston chamber 5 and 6 interior settings are held liquid unit 7 in a plurality of chambeies, exchange to realize the purpose of gas isothermal convergent-divergent by the Rapid Thermal of liquid and gas; Liquid piston chamber 5 and 6 bottom arrange respectively liquid external-connected port 3 and 4, and are connected with outside hydraulic set 12 by pipeline.Outside hydraulic set 12 is other forms of energy with the potential energy converting and energy of highly pressurised liquid, for generator or other equipment provide motive force, and bearing the effect of fluid exchange within two chambeies, can be the equipment that hydraulic piston or oil hydraulic motor etc. are driven by the liquid potential energy difference.
Hold liquid unit 7 in the chamber with the Heat Conduction Material structure, as metal etc., be used for storage of liquids, utilize the large characteristics of specific heat of liquid to realize control to gas temperature.
Holding liquid unit 7 in the chamber has sink structure and two kinds of basic structures of water pack arrangement, can adopt the multiple temperature control methods such as with spraying, liquid circulated, air-filtering type further to strengthen the temperature control effect.
Fig. 2 is the schematic diagram that holds liquid unit employing sink structure in the chamber.Hold liquid unit 7 in the chamber and be sink structure, hold liquid unit 7 in several chambeies and be placed in liquid piston chamber 5 and 6, hold in the chamber and have the space between liquid unit and liquid piston cavity wall, be the passage of gas flow.Tank can be fixed on the liquid piston cavity wall as shown in the figure, also can stack gradually tank and be fixed on bottom, liquid piston chamber or other places, even can not fix, and is arranged in the liquid piston chamber in the arbitrary arrangement mode.
Fig. 3 holds liquid unit employing sink structure, the structural representation of air-filtering type temperature control method in the chamber.Hold liquid unit 7 in the chamber and be sink structure, holding liquid unit 7 in several chambeies is placed in liquid piston chamber 5 and 6, hold in the chamber between liquid unit and liquid piston cavity wall and have the space, reach middle position above sink structure baffle plate 19 is set, make the air flue that holds top, liquid unit in the chamber airtight, structure minisize liquid piston, make gas with bubble form by holding the liquid unit, the assurance gas-liquid is fully mixed, and heat exchanging process carries out fully keeping the intracavity gas temperature stabilization.Wherein Fig. 3 (a) and Fig. 3 (b) are respectively and set up baffle plate and baffle plate tank in conjunction with two kinds of forms.
Fig. 4 holds liquid unit employing sink structure, the structural representation of with spraying, two kinds of temperature control methods of external liquid circulation formula in the chamber.Hold liquid unit 7 in the chamber and be placed in the top of liquid piston chamber 5 and 6, the liquid of liquid piston chamber inner bottom part is sent into by water pump 20, liquid-circulating pipeline 21 and is held liquid unit 7 in the chamber at top, hold 7 bottoms, liquid unit in the chamber water seepage hole 22 is set, form the effect of spray downwards.
Fig. 5 holds liquid unit employing water pack arrangement in the chamber, the structural representation of liquid circulated temperature control method, and wherein Fig. 5 (a) is respectively parallel and two kinds of forms of helical pipe with Fig. 5 (b).Holding liquid unit 7 in the chamber constructs with parallel, spiral steel pipe, be placed in 5 and 6 interior liquid top partly, liquid piston chamber, the two ends of pipeline configuration arrange water pump 20, are placed in the bottom in liquid piston chamber, drive the liquid-circulating that holds in liquid piston chamber and chamber in the liquid unit, the maintenance gas temperature is stablized.
In addition, above-mentioned two kinds of basic structures holding the liquid unit are capable of being combined, but also independent assortment of three kinds of temperature control methods consists of the design of plurality of liquid piston cavity, and Fig. 4 is the example that with spraying, two kinds of temperature control methods of external liquid circulation formula combine.
Fig. 6 is Fig. 4, Fig. 5 structure and the temperature control method composite entity exemplary plot of a kind of temp liquid piston device provided by the invention;
Fig. 7 (a) is Fig. 2, Fig. 4 sink structure and the with spraying temperature control method composite entity exemplary plot of a kind of temp liquid piston device provided by the invention, and Fig. 7 (b) is for holding liquid unit details enlarged view.
Fig. 8 is the overall construction drawing that holds the valvular temp liquid piston of liquid unit bottom band device in the chamber.When valve closing, hold the liquid unit in the chamber and have the liquid of holding ability; When valve open, hold the inside and outside water in liquid unit and can mix, make and hold the inside and outside liquid in liquid unit and fully mix, keep temperature consistent.
Fig. 9 and two kinds of specific implementations that Figure 10 shows that outside hydraulic set.Fig. 9 is hydraulic pump, and Figure 10 is hydraulic piston.They are all the equipment that is driven by the liquid potential energy difference, can be the other forms of energy such as electric energy, mechanical energy with the potential energy converting and energy of highly pressurised liquid, for generator or other equipment provide motive force, and bear the effect of fluid exchange between two liquid piston chambeies.
during liquid piston work, the gas expansion for doing work process is: suppose when initial, hold full liquid in liquid piston chamber 5, there is a small amount of liquid in liquid piston chamber 6, valve 13, 16 open, valve 14, 15 close, appropriate pressurized gas enter liquid piston chamber 5 by high pressure gas pipeline road 8, then throttle down 13, pressurized gas are in liquid piston chamber 5 interior expansion actings, make liquid piston chamber 5 inner horizontals declines, liquid flows out from first liquid external-connected port 3, because liquid piston chamber 6 is connected with the low-pressure gas pipeline, liquid external-connected port 3, form potential energy difference between 4, for outside hydraulic set 12 provides motive force, be the straight line mechanical motion with the potential energy converting and energy of water, simultaneously liquid is sent in liquid piston chamber 6, liquid piston chamber 5 inner horizontals descend.Simultaneously, hold storage area liquid in liquid unit 7 in the chamber, carry out heat exchange with air, realize the stable of temperature in the gas expansion process.When the acting phase process finishes, the interior liquid in liquid piston chamber 5 only has a small amount of liquid (hold in the chamber liquid unit in still hold full liquid) of bottom, hold full liquid in liquid piston chamber 6, open valve 14,15 this moment, valve 13,16 is closed, appropriate pressurized gas enter liquid piston chamber 6 by high pressure gas pipeline road 8, and then valve 15 is closed.The inflation process of gas afterwards in liquid piston chamber 6 is identical with the interior gas expansion process of aforesaid liquid piston cavity 5.So repeatedly the energy in pressurized air can be discharged fully.
Gas compression processes is: suppose when initial almost there is no liquid (only have to hold in the chamber in liquid unit 5 and hold full liquid) in liquid piston chamber 5, hold full liquid in liquid piston chamber 6.Throttle down 13,14,15 is opened valve 16.Outside hydraulic set 12 actings are evacuated to the liquid in liquid piston chamber 6 in liquid piston chamber 5, liquid level in liquid piston chamber 5 rises gradually, air pressure raises gradually, when the air pressure in liquid piston chamber 5 during greater than the air pressure in pressurized gas pipeline 8, open valve 13, pressurized gas are transported in pressurized gas pipeline 8.Be full of liquid in liquid piston this moment chamber 5, hold in the chamber in liquid piston chamber 6 and only have a small amount of liquid in bottom the liquid unit, throttle down 13 and 16 afterwards, open valve 14, outside hydraulic set 12 is extracted into the liquid in liquid piston chamber 5 in liquid piston chamber 6, then the pressurized gas that compression obtained are transported in pressurized gas pipeline 8, and process is identical with said process.So repeatedly electric energy can be converted to compressed-air actuated potential energy continuously stores.
Claims (11)
1. temp liquid piston device that can make gas isothermal convergent-divergent is characterized in that: two liquid piston chambeies (5) be connected 6) the top be connected 2 with pressurized gas pipeline (1) with the low-pressure gas pipeline respectively) be connected; The bottom in two liquid piston chambeies is connected with outside hydraulic set (12); Arrange in the liquid piston chamber and hold liquid unit (7) in a plurality of chambeies.
2. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 1, it is characterized in that: described outside hydraulic set is the equipment that is driven by the liquid potential energy difference that comprises hydraulic piston mechanism, oil hydraulic motor, utilizes outside hydraulic set to realize conversion between liquid potential energy and other form energies.
3. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 1, it is characterized in that: hold the liquid unit in described chamber and construct with Heat Conduction Material, be used for storage of liquids, increase the area of contact with gas, promote the heat exchange of liquids and gases, based on the large characteristics of specific heat of liquid, utilize stable fluid temperature to control gas temperature, limit temperature changes within the specific limits.
4. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 1, it is characterized in that: holding the liquid unit in described chamber has two kinds of basic structures, is respectively the sink structure of top open bottom sealing and upper body sealing bottom and is connected to water pack arrangement below the liquid level of piston cavity bottom by pipeline; Adopt on this basis with spraying, liquid circulated, three kinds of temperature control methods of air-filtering type further to strengthen the temperature control effect.
5. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 4, it is characterized in that: hold liquid unit the first basic structure in described chamber, the sink structure form is: the top open bottom sealing of holding the liquid unit, holding the liquid unit in several chambeies is placed in the liquid piston chamber, hold in the chamber between liquid unit and liquid piston cavity wall and have the space, liquids and gases can pass through from the space, utilize the gaseous exchange mode to realize temperature control.
6. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 4, it is characterized in that: hold liquid unit the second basic structure in described chamber, water pack arrangement form is: the upper body of holding the liquid unit in the chamber is placed in the liquid piston chamber with the water tank of sealing or tube shaped, holding the liquid unit bottom in the chamber is connected to below the liquid level of bottom, liquid piston chamber by pipeline, when liquid level holds the liquid unit in lower than the chamber, due to upper end closed, liquid in the upper body structure can be retained, and realizes the temperature of gas is controlled by the gaseous exchange mode.
7. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 4, it is characterized in that: described with spraying temperature control method is: hold a kind of of two kinds of basic structures of liquid unit employing in the chamber, the bottom of the upper body of the bottom of its sink structure or water pack arrangement arranges the water hole, after liquid level holds the liquid unit bottom in lower than the chamber, liquid can flow out from the water hole and form the effect of spray downwards, strengthens the heat exchange of liquids and gases.
8. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 4, it is characterized in that: described air-filtering type temperature control method is: holding the liquid unit in the chamber is sink structure, hold the liquid unit in several chambeies by vertically being placed in the liquid piston chamber, hold in the chamber between liquid unit and liquid piston cavity wall and have the space, top center position at sink structure arranges baffle plate, block the air flue that holds top, liquid unit in the chamber, construct local minisize liquid piston, make gas with bubble form by holding the liquid unit, strengthen the heat exchange between gas and liquid.
9. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 4, it is characterized in that: described liquid circulated temperature control method is: after liquid level holds the liquid unit main body in lower than the chamber, hold the one or both ends access water pump of liquid unit lower pipeline in the chamber of water pack arrangement, drive the liquid-circulating that holds in the liquid of bottom, liquid piston chamber and chamber in the liquid unit; Or adopt extra pipeline and water pump, and the liquid of bottom, liquid piston chamber is sent into sink structure hold in the liquid unit, form liquid-circulating and strengthen the liquids and gases heat exchange.
10. the temp liquid piston device that makes gas isothermal convergent-divergent according to claim 4, it is characterized in that: hold the bottom of the first basic structure of liquid unit or the upper body of the second basic structure in described chamber and be provided with valve, hold the liquid unit during valve closing in the chamber and have the liquid of holding ability, hold the inside and outside water in liquid unit during valve open in the chamber and mix, make that to hold the inside and outside fluid temperature in liquid unit in the chamber consistent.
11. according to claim 5-10 described temp liquid piston devices that make gas isothermal convergent-divergent is characterized in that: but make and the use of temperature control method combination in any of holding the liquid unit in described chamber.
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| CN201310077734.5A CN103161774B (en) | 2013-03-12 | 2013-03-12 | A kind of temp liquid piston device making gas isothermal convergent-divergent |
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| CN201310077734.5A CN103161774B (en) | 2013-03-12 | 2013-03-12 | A kind of temp liquid piston device making gas isothermal convergent-divergent |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104653423A (en) * | 2015-01-27 | 2015-05-27 | 华北电力大学 | Air compression energy storage and thermal power plant-based joint control system and method |
| CN105201926A (en) * | 2015-09-11 | 2015-12-30 | 华北电力大学 | Internal temperature control liquid piston device capable of isothermally compressing and releasing air on basis of air storage units |
| CN106246230A (en) * | 2016-07-28 | 2016-12-21 | 华北电力大学 | A kind of temp liquid piston device for isotherm compression air energy storage |
| CN106247679A (en) * | 2016-07-28 | 2016-12-21 | 华北电力大学 | A kind of liquid heat reclaim unit |
| CN106321343A (en) * | 2016-07-28 | 2017-01-11 | 华北电力大学 | Isothermal compression air energy storage power generation system based on liquid temperature control and method thereof |
| CN106368934A (en) * | 2016-09-28 | 2017-02-01 | 东莞市联洲知识产权运营管理有限公司 | Compressed air energy-storage device based on constant-temperature control |
| CN106438272A (en) * | 2016-09-26 | 2017-02-22 | 祥天控股（集团）有限公司 | Air-pushed oil energy storage system |
| CN106640603A (en) * | 2016-09-28 | 2017-05-10 | 东莞市联洲知识产权运营管理有限公司 | Compressed air stored energy power generating system based on liquid pistons |
| CN107939653A (en) * | 2017-10-19 | 2018-04-20 | 华北电力大学 | A kind of zero energy compressed air isodensity alternating temperature moving apparatus and operation method |
| CN108443110A (en) * | 2018-01-24 | 2018-08-24 | 华北电力大学 | A kind of piston apparatus for realizing the expansion of gas isotherm compression |
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| CN104653423A (en) * | 2015-01-27 | 2015-05-27 | 华北电力大学 | Air compression energy storage and thermal power plant-based joint control system and method |
| CN105201926B (en) * | 2015-09-11 | 2018-01-19 | 华北电力大学 | The temp liquid piston device of gas isothermal scaling is realized based on storage gas unit |
| CN105201926A (en) * | 2015-09-11 | 2015-12-30 | 华北电力大学 | Internal temperature control liquid piston device capable of isothermally compressing and releasing air on basis of air storage units |
| CN106246230A (en) * | 2016-07-28 | 2016-12-21 | 华北电力大学 | A kind of temp liquid piston device for isotherm compression air energy storage |
| CN106247679A (en) * | 2016-07-28 | 2016-12-21 | 华北电力大学 | A kind of liquid heat reclaim unit |
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| CN106368934A (en) * | 2016-09-28 | 2017-02-01 | 东莞市联洲知识产权运营管理有限公司 | Compressed air energy-storage device based on constant-temperature control |
| CN106640603B (en) * | 2016-09-28 | 2018-12-11 | 江苏众志达新能源科技有限公司 | A kind of compressed air energy storage power generating system based on liquid piston |
| CN107939653A (en) * | 2017-10-19 | 2018-04-20 | 华北电力大学 | A kind of zero energy compressed air isodensity alternating temperature moving apparatus and operation method |
| CN107939653B (en) * | 2017-10-19 | 2019-07-12 | 华北电力大学 | A kind of zero energy compressed air isodensity alternating temperature moving apparatus and operation method |
| CN108443110A (en) * | 2018-01-24 | 2018-08-24 | 华北电力大学 | A kind of piston apparatus for realizing the expansion of gas isotherm compression |
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