CN113587678B - Isothermal pressurizing device and method for liquid driving and cylinder heat transfer - Google Patents
Isothermal pressurizing device and method for liquid driving and cylinder heat transfer Download PDFInfo
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- CN113587678B CN113587678B CN202110820394.5A CN202110820394A CN113587678B CN 113587678 B CN113587678 B CN 113587678B CN 202110820394 A CN202110820394 A CN 202110820394A CN 113587678 B CN113587678 B CN 113587678B
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- heat transfer
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- cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses an isothermal supercharging device for liquid driving and cylinder heat transfer, which comprises: the device comprises a bus bar, a radiating pipe, a cylinder body, a hydraulic pump and a hydraulic motor; the cylinder body is communicated with the cylinder body through a radiating pipe; the hydraulic pump is detachably connected with the lower end of the cylinder body through an oil outlet of the hydraulic pump, and the hydraulic motor is detachably connected with the lower end of the cylinder body through an oil inlet of the hydraulic motor; a heat transfer layer and a transmission layer are sequentially arranged in the cylinder body from top to bottom. According to the invention, the radiating pipe array and the liquid heat transfer layer are introduced to form a gas-solid-liquid coupling three-layer heat exchange structure, the radiating pipe array with a large specific surface area increases the heat exchange area of compressed air, fluid in the radiating pipe wall moves up and down to form convection heat exchange, so that the rapid transfer of compressed heat from gas to the external environment is realized, the liquid heat transfer layer with large heat capacity is used for absorbing the temperature of the wall of the compression heat stabilization pipe, the isothermal keeping in the air compression process is realized, and the air compression efficiency is improved.
Description
Technical Field
The invention relates to the field of industrial compressed air systems, in particular to an isothermal pressurizing device and method for liquid driving and cylinder heat transfer.
Background
At present, China announces that the carbon dioxide emission reaches the peak value before 2030 years and the carbon neutralization is realized before 2060 years. The key to achieving carbon neutralization is the shift from fossil energy, which accounts for approximately 85% of carbon emissions, to clean energy.
Energy storage is an effective method for realizing large-scale use of renewable energy and clean energy. But almost all solutions that can store large amounts of energy require reliance on large scale hydroelectric generation to recover potential energy from large amounts of water. The specific geographical conditions and environmental costs limit the widespread use of such technologies. Compressed air energy storage becomes a promising energy storage mode due to the general availability of air.
Nevertheless, compressed air energy storage still faces many problems of air thermodynamic effect during compression. Generally, the air temperature increases during the compression process, and the air temperature tends to increase with increasing pressure. Many projects use different means to avoid temperature rise during compression to achieve higher energy conversion efficiency, but this not only increases the cost of the system, but also increases its complexity.
Therefore, how to increase the heat exchange between the air and the surrounding environment during the compression process is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The present invention aims to solve at least to some extent one of the above-mentioned technical problems of the prior art.
To this end, one object of the present invention is to propose an isothermal pressure boosting device, of the type with liquid drive and cylinder heat transfer, comprising: the device comprises a bus bar, a radiating pipe, a cylinder body, a hydraulic pump and a hydraulic motor;
the cylinder body is communicated with the cylinder body through a radiating pipe; the hydraulic pump is detachably connected with the lower end of the cylinder body through a hydraulic pump oil outlet, and the hydraulic motor is detachably connected with the lower end of the cylinder body through a hydraulic motor oil inlet;
a heat transfer layer and a transmission layer are sequentially arranged in the cylinder body from top to bottom.
Further, the heat transfer layer needs to use a liquid having a high heat capacity. The transmission layer uses liquid with moderate viscosity, low gas solubility and low compressibility.
Further, the heat transfer layer needs to use a liquid having a higher heat capacity than air. The transmission layer uses hydraulic oil.
Further, an air inlet and an air outlet are arranged on the bus board; the air inlet and the air outlet are symmetrically arranged on the side wall of the bus board.
The beneficial effect of adopting the further scheme is that: the cylinder manifold realizes the concentrated inflation and deflation and air compression, and the symmetrical exhaust port and the air inlet can ensure that the stress of the cylinder manifold is even in the compression process.
Furthermore, the radiating pipe is provided with a plurality of radiating pipes which are regularly arranged to form a radiating pipe array.
Furthermore, the radiating pipe array is arranged in a row or a fork.
The beneficial effect of adopting the further scheme is that: the radiating pipes can increase the radiating area, improve the heat transfer coefficient, strengthen the heat dissipation of air, and can select different arrangement modes under different working conditions.
Further, the hydraulic pump and the hydraulic motor are symmetrically connected to the lower end of the cylinder body.
The beneficial effect of adopting the further scheme is that: the liquid in the cylinder body stably flows upwards by utilizing the hydraulic potential energy.
Further, the inside isolation layer that still is equipped with of cylinder body, the isolation layer set up in between heat transfer layer and the transmission layer.
Further, the isolation layer is a diaphragm or a piston.
The beneficial effect of adopting the further scheme is that: the heat transfer layer and the transmission layer are separated by the isolation layer, so that the dissolution of air in the radiating pipe array to the transmission layer is reduced.
The invention also provides a method for using the liquid-driven isothermal supercharging device for transferring heat by the cylinder body, wherein the cylinder body is internally provided with a heat transfer layer, an isolation layer and a transmission layer; the transmission layer transmits the power of the hydraulic pump, the isolation layer isolates the heat transfer layer from the transmission layer, and the heat transfer layer enhances the heat dissipation of air; the air compression and heat dissipation are simultaneously carried out in the radiating pipe array, and the pressure in the radiating pipe array is constantly changed, so that the isothermal pressurization of liquid driving and cylinder body heat transfer is realized.
The method comprises the following steps:
(1) and (3) air inlet process: opening the air inlet and closing the air outlet to enable air to be filled into the heat dissipation pipe through the bus board, and enabling the air to push liquid in the cylinder body to be discharged through driving the hydraulic motor to rotate;
(2) and (3) a compression process: the air inlet and the air outlet are closed, liquid is injected into the cylinder body through the hydraulic pump, air in the radiating pipe is compressed, so that the temperature of the air rises, high-pressure air is in contact with the heat transfer layer, the compressed heat is transferred to the pipe wall and the heat transfer layer of the radiating pipe through convective heat transfer, and the pipe wall of the radiating pipe radiates heat to the surrounding environment;
(3) and (3) an exhaust process: the exhaust port is opened to discharge the high-pressure air.
The invention has the beneficial effects that: according to the invention, the radiating pipe array and the liquid heat transfer layer are introduced to form a gas-solid-liquid coupling three-layer heat exchange structure, the radiating pipe array with a large specific surface area increases the heat exchange area of compressed air, fluid in the radiating pipe wall moves up and down to form convection heat exchange, air compression and heat dissipation are simultaneously carried out in the radiating pipe array, the rapid transfer of compressed heat from gas to the external environment is realized, the liquid heat transfer layer with large heat capacity is used for absorbing the compressed heat to stabilize the pipe wall temperature, the isothermal temperature is kept in the air compression process, and the air compression efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an isothermal pressure increasing device provided by the present invention;
FIG. 2 is a flow pattern of the air induction process of the present invention;
FIG. 3 is a flow pattern of the compression process of the present invention;
fig. 4 is a flow pattern of the inventive exhaust process.
In the drawings, the structures represented by the reference numerals are listed below: 1-air inlet, 2-air outlet, 3-confluence plate, 4-radiating pipe, 5-cylinder body, 6-heat transfer layer, 7-isolation layer, 8-transmission layer, 9-hydraulic pump and 10-hydraulic motor.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
An isothermal pressure boosting device for liquid driving and cylinder heat transfer, comprising: the device comprises a bus board 3, a radiating pipe 4, a cylinder body 5, a hydraulic pump 9 and a hydraulic motor 10;
the cylinder body 5 is communicated with the bus board 3 through a radiating pipe 4; the hydraulic pump 9 is detachably connected with the lower end of the cylinder body 5 through a hydraulic pump oil outlet, and the hydraulic motor 10 is detachably connected with the lower end of the cylinder body 5 through a hydraulic motor oil inlet;
the cylinder 5 is provided with a heat transfer layer 6 and a transmission layer 8 from top to bottom.
In one embodiment, the bus bar 3 is provided with an air inlet 1 and an air outlet 2; the air inlet 1 and the air outlet 2 are symmetrically arranged on the side wall of the bus bar 3.
In one embodiment, the heat dissipation pipe 4 is provided with a plurality of heat dissipation pipes 4, and the plurality of heat dissipation pipes 4 are regularly arranged to form a heat dissipation pipe array.
In another embodiment, the heat dissipation tube array is arranged in a row or a fork.
In one embodiment, the hydraulic pump 9 and the hydraulic motor 10 are symmetrically connected to the lower end of the cylinder 5.
In one embodiment, the cylinder 5 is further provided with an isolation layer 7 inside, and the isolation layer 7 is arranged between the heat transfer layer 6 and the transmission layer 8.
In another embodiment, the isolation layer 7 is a diaphragm or a piston.
The method of isothermal booster for liquid driving and cylinder heat transfer includes setting heat transfer layer, isolating layer and driving layer inside the cylinder; the transmission layer transmits the power of the hydraulic pump, the isolation layer isolates the heat transfer layer from the transmission layer, and the heat transfer layer enhances the heat dissipation of air; the air compression and heat dissipation are simultaneously carried out in the radiating pipe array, and the pressure in the radiating pipe array is constantly changed, so that the isothermal pressurization of liquid driving and cylinder body heat transfer is realized.
(1) And (3) air inlet process: opening the air inlet and closing the air outlet to enable air to be filled into the heat dissipation pipe through the bus board, and enabling the air to push liquid in the cylinder body to be discharged through driving the hydraulic motor to rotate;
(2) and (3) a compression process: the air inlet and the air outlet are closed, liquid is injected into the cylinder body through the hydraulic pump, air in the radiating pipe is compressed, so that the temperature of the air rises, high-pressure air is in contact with the heat transfer layer, the compressed heat is transferred to the pipe wall and the heat transfer layer of the radiating pipe through convective heat transfer, and the pipe wall of the radiating pipe radiates heat to the surrounding environment;
(3) and (3) an exhaust process: the exhaust port is opened to discharge the high-pressure air.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. An isothermal pressure boosting device for liquid driving and cylinder heat transfer, comprising: the device comprises a bus bar, a radiating pipe, a cylinder body, a hydraulic pump and a hydraulic motor;
the cylinder body is communicated with the cylinder body through a radiating pipe; the hydraulic pump is detachably connected with the lower end of the cylinder body through a hydraulic pump oil outlet, and the hydraulic motor is detachably connected with the lower end of the cylinder body through a hydraulic motor oil inlet;
a heat transfer layer and a transmission layer are sequentially arranged in the cylinder body from top to bottom;
the inside of the cylinder body is also provided with an isolating layer which is arranged between the heat transfer layer and the transmission layer;
the isolating layer is a diaphragm or a piston.
2. The liquid-driven and cylinder-heat-transfer isothermal pressure boosting device according to claim 1, wherein said manifold plate is provided with an air inlet and an air outlet; the air inlet and the air outlet are symmetrically arranged on the side wall of the bus board.
3. The isothermal pressure boosting device for liquid driving and cylinder heat transfer according to claim 1, wherein said heat dissipating pipes are provided in a plurality, and a plurality of said heat dissipating pipes are regularly arranged to form a heat dissipating pipe array.
4. The liquid driven and cylinder heat transfer isothermal pressure increase device according to claim 3, wherein said heat dissipation pipe array is arranged in a row or a fork.
5. The liquid-driven and cylinder-heat-transfer isothermal pressure increasing device according to claim 1, wherein the hydraulic pump and the hydraulic motor are symmetrically connected to the lower end of the cylinder.
6. A method for isothermal pressurizing of liquid driving and cylinder heat transfer, which is characterized in that the isothermal pressurizing device for liquid driving and cylinder heat transfer of any one of claims 1-5 is adopted, and comprises the following steps:
(1) and (3) air inlet process: opening the air inlet and closing the air outlet to enable air to be filled into the heat dissipation pipe through the bus board, and enabling the air to push liquid in the cylinder body to be discharged through driving the hydraulic motor to rotate;
(2) and (3) a compression process: the air inlet and the air outlet are closed, liquid is injected into the cylinder body through the hydraulic pump, air in the radiating pipe is compressed, so that the temperature of the air is raised, high-pressure air is in contact with the heat transfer layer, the compressed heat is transferred to the pipe wall of the radiating pipe and the heat transfer layer through convective heat transfer, and the pipe wall of the radiating pipe radiates to the surrounding environment;
(3) and (3) an exhaust process: the exhaust port is opened to discharge the high-pressure air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110820394.5A CN113587678B (en) | 2021-07-20 | 2021-07-20 | Isothermal pressurizing device and method for liquid driving and cylinder heat transfer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110820394.5A CN113587678B (en) | 2021-07-20 | 2021-07-20 | Isothermal pressurizing device and method for liquid driving and cylinder heat transfer |
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| CN113587678A CN113587678A (en) | 2021-11-02 |
| CN113587678B true CN113587678B (en) | 2022-05-31 |
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| CN114893383B (en) * | 2022-04-21 | 2023-02-24 | 北京航空航天大学 | Advanced isothermal compressed air energy storage device and use method thereof |
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| USRE37603E1 (en) * | 1992-05-29 | 2002-03-26 | National Power Plc | Gas compressor |
| CN101828029A (en) * | 2007-09-13 | 2010-09-08 | 洛桑聚合联合学院 | Multistage hydraulic gas compression/expansion systems and methods |
| CN104728083A (en) * | 2015-01-23 | 2015-06-24 | 西南科技大学 | Compressor |
| 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 |
| CN110005594A (en) * | 2019-04-16 | 2019-07-12 | 北京航空航天大学 | A kind of isotherm compression method of liquid medium heat accumulation and piston heat transfer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7488159B2 (en) * | 2004-06-25 | 2009-02-10 | Air Products And Chemicals, Inc. | Zero-clearance ultra-high-pressure gas compressor |
| US7802426B2 (en) * | 2008-06-09 | 2010-09-28 | Sustainx, Inc. | System and method for rapid isothermal gas expansion and compression for energy storage |
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- 2021-07-20 CN CN202110820394.5A patent/CN113587678B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE37603E1 (en) * | 1992-05-29 | 2002-03-26 | National Power Plc | Gas compressor |
| CN101828029A (en) * | 2007-09-13 | 2010-09-08 | 洛桑聚合联合学院 | Multistage hydraulic gas compression/expansion systems and methods |
| CN104728083A (en) * | 2015-01-23 | 2015-06-24 | 西南科技大学 | Compressor |
| 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 |
| CN110005594A (en) * | 2019-04-16 | 2019-07-12 | 北京航空航天大学 | A kind of isotherm compression method of liquid medium heat accumulation and piston heat transfer |
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Address after: 100191 No. 37, Haidian District, Beijing, Xueyuan Road Patentee after: BEIHANG University Patentee after: Shandong Aisuo Technology Group Co.,Ltd. Address before: 100191 No. 37, Haidian District, Beijing, Xueyuan Road Patentee before: BEIHANG University Patentee before: SHANDONG AISUO ENERGY TECHNOLOGY Co.,Ltd. |