CN110953477B - Special-shaped honeycomb type hydrogen high-pressure storage and transportation device and manufacturing method thereof - Google Patents
Special-shaped honeycomb type hydrogen high-pressure storage and transportation device and manufacturing method thereof Download PDFInfo
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- CN110953477B CN110953477B CN201911207731.2A CN201911207731A CN110953477B CN 110953477 B CN110953477 B CN 110953477B CN 201911207731 A CN201911207731 A CN 201911207731A CN 110953477 B CN110953477 B CN 110953477B
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- 238000003860 storage Methods 0.000 title claims abstract description 59
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 47
- 239000001257 hydrogen Substances 0.000 title claims abstract description 47
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000010146 3D printing Methods 0.000 claims description 3
- 238000003486 chemical etching Methods 0.000 claims description 3
- 238000010147 laser engraving Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 7
- 239000004917 carbon fiber Substances 0.000 abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004804 winding Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 206010066054 Dysmorphism Diseases 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0147—Shape complex
- F17C2201/0161—Honeycomb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application discloses dysmorphism honeycomb formula hydrogen high pressure storage and transportation device and manufacturing method thereof, the device includes a gas storage structure, the gas storage structure includes the outside casing, the outside casing is around forming the heart cavity, be formed with crisscross continuous truss rib in the heart cavity, truss rib will the heart cavity is separated into a plurality of independent cavities, independent cavity at least with one rather than adjacent independent cavity intercommunication. Under the condition of the same volume and hydrogen storage quality, the weight of the invention is only 30-40% of that of the traditional metal gas storage tank, and the cost is only 60% of that of the full carbon fiber winding gas storage tank.
Description
Technical Field
The application relates to a hydrogen high-pressure storage and transportation structure unit, in particular to a special-shaped honeycomb type hydrogen high-pressure storage and transportation device and a manufacturing method thereof.
Background
In 2019, the hydrogen energy industry has formed a major industry cluster such as jingjing, chang triangle, zhu triangle, etc. in the center of the north. Now, the industrial scale demonstration stage is entered, and commercial operation is explored in the future.
The fundamental problem of the hydrogen energy development at the present stage is that the development of the storage and transportation links is lagged. The hydrogen volume energy density is extremely low, the hydrogen is extremely flammable and explosive, the hydrogen dispersed in various places is efficiently distributed to the hydrogenation stations, and the distributed use (such as hydrogen energy automobiles, distributed hydrogen energy power supply and the like) is ensured to be safe and reliable, so that the improvement of the storage and transportation efficiency and the hydrogen quality is a major bottleneck for the large-scale development of the hydrogen energy industry, and the safe, efficient and low-cost hydrogen storage and transportation technology becomes a key for realizing the commercial application of the hydrogen energy.
The high-pressure gaseous hydrogen storage tank is a mobile hydrogen storage device which is mainstream in the industry at present, the vehicle-mounted hydrogen storage tank of a passenger car generally stores about 6kg of high-pressure hydrogen, the driving mileage (600 km) is guaranteed, the volume and the weight of the hydrogen storage tank are about 240L and 130kg respectively, the foreign hydrogen storage pressure is 70MPa, the domestic 35MPa, and the hydrogen storage tank is made of metal materials, so that the efficiency is low, the volume is huge, the weight is incredible, the cost is extremely high, and the hydrogen storage tank can only be used for large-sized vehicles such as buses and trucks. The foreign hydrogen storage tank generally adopts a structure of winding a metal liner and carbon fiber, and the cost of the high-pressure hydrogen storage bottle of the passenger car is expected to be 5-6 ten thousand yuan, wherein the cost of the carbon fiber material is about 60-70%. Japan is the largest carbon fiber export country worldwide, the global market share exceeds 95%, and the solar hydrogen fuel cell vehicle has cost advantages. Under the condition of strongly relying on carbon fiber import, the cost of the high-pressure hydrogen storage device in China is always high, and the development of the high-pressure storage and transportation device and the manufacturing technology has become a key technology for restricting the popularization and range application of hydrogen energy in China.
Disclosure of Invention
The invention aims to provide a special-shaped honeycomb type hydrogen high-pressure storage and transportation device and a manufacturing method thereof, which realize high-pressure storage and transportation of hydrogen.
In order to achieve the above purpose, the present invention provides the following technical solutions.
The embodiment of the application discloses dysmorphism honeycomb formula hydrogen high pressure storage and transportation device, including a gas storage structure, the gas storage structure includes the outside casing, the outside casing is around forming the heart cavity, be formed with crisscross continuous truss rib in the heart cavity, truss rib will the heart cavity is separated into a plurality of independent cavities, independent cavity at least with one rather than adjacent independent cavity intercommunication.
Correspondingly, the invention also discloses a manufacturing method of the special-shaped honeycomb type hydrogen high-pressure storage and transportation device, which sequentially comprises the following steps:
s1, determining the shape of the outer shell;
s2, designing the truss rib shape by adopting software;
s3, adopting 3D printing subdivision software to perform equal thickness or unequal thickness layering, and setting at least three groups of positioning devices;
s4, laser engraving, precise milling or chemical etching is adopted for processing layer by layer;
s5, stacking, assembling and positioning sequentially according to the digital-analog sequence;
s6, adopting diffusion welding equipment to make vacuum degree be 5 multiplied by 10 -4 Primary welding is carried out under the conditions of Pa, pressure of 6MPa, temperature of 460-520 ℃ and heat preservation and pressure maintaining for 2 hoursShaping, cooling to 200 ℃ along with the furnace, taking out, and naturally cooling to room temperature;
and S7, welding the seal head structures at the two sides of the outer shell to connect the air charging port and the air outlet.
Preferably, in the method for manufacturing a special-shaped honeycomb type hydrogen high-pressure storage and transportation device, in step S3, the number of layering layers is determined by the number of horizontal planes in which the independent chambers are located.
Preferably, in the method for manufacturing a special-shaped honeycomb-type hydrogen high-pressure storage and transportation device, in step S7, the seal head structure is provided with a pressure sensor and a temperature sensor.
Compared with the prior art, the invention breaks the design concept of the circular cavity section of the traditional air storage tank, proposes a multi-chamber high-pressure air storage structure with complex inner chambers, the structural feature is similar to a honeycomb, the multi-chamber high-pressure air storage structure is provided with independent or communicated multi-chamber structures, the high-strength aluminum alloy is adopted to manufacture the multi-chamber high-pressure air storage structure, the pressure requirement of compressed hydrogen can be met only by means of the strength of a material body, the high-cost carbon fiber winding technology is not needed, the bearing capacity of the multi-chamber high-pressure air storage structure is derived from truss ribs and high-strength shells which are vertically and horizontally connected with the inner chambers, the traditional air storage tank is not needed to be only by means of the strength of the shells, the internal pressure born by the shells is effectively shared by the structural feature of the inner chambers through numerical simulation analysis, the volume and distribution of the cavity can be designed according to the bearing range, the design pressure can be continuously adjustable within the yield limit range of the material body through adjusting the proportion and distribution of the cavity and the entity, and under the condition that the same volume and hydrogen storage quality are the same, the weight is only 30% -40% of the traditional metal air storage tank and the cost is only 60% of the full carbon fiber winding air storage tank.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a special-shaped honeycomb type hydrogen high-pressure storage and transportation device according to an embodiment of the present invention.
Detailed Description
The following detailed description of the technical solutions according to the embodiments of the present invention will be given with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the special-shaped honeycomb type hydrogen high-pressure storage and transportation device comprises a gas storage structure, wherein the gas storage structure comprises an outer shell 100, an inner cavity is formed by surrounding the outer shell 100, truss ribs 200 connected in a staggered manner are formed in the inner cavity, the truss ribs 200 divide the inner cavity into a plurality of independent chambers 300, and the independent chambers 300 are communicated with at least one independent chamber 300 adjacent to the independent chambers.
According to the technical scheme, the high-pressure gas storage device is designed according to the use environment, the mode and the like, the high-pressure gas storage device is not limited to the circular shape, can be designed into any other special-shaped shape, is convenient to assemble and fix in practical use, improves the space utilization rate, determines materials according to the service environment state after the shape is determined, obtains the yield limit value of a body material, performs numerical simulation and stress analysis according to the requirements of pressure, gas storage (quality) space and the like, designs an independent or communicated multi-chamber internal structure, and finally performs structural strength check. The invention adopts an additive manufacturing method, namely a diffusion welding layered entity manufacturing method, to manufacture the complex inner cavity structure, but the invention is not limited to the manufacturing method, other technologies such as a laser selective melting technology can be realized, and the invention has lower efficiency and higher cost than the diffusion welding layered entity manufacturing method.
The manufacturing method of the special-shaped honeycomb type hydrogen high-pressure storage and transportation device sequentially comprises the following steps:
s1, determining the shape of the outer shell 100;
s2, adopting software to design the shape of truss ribs 200;
s3, carrying out equal thickness or unequal thickness layering by adopting 3D printing subdivision software, wherein the layering layers are determined by the number of horizontal planes of the independent chambers 300, and at least three groups of positioning devices are arranged;
s4, laser engraving, precise milling or chemical etching is adopted for processing layer by layer;
s5, stacking, assembling and positioning sequentially according to the digital-analog sequence;
s6, adopting diffusion welding equipment to make vacuum degree be 5 multiplied by 10 -4 Carrying out primary welding forming under the conditions of Pa, pressure of 6MPa, temperature of 460-520 ℃ and heat preservation and pressure maintaining for 2 hours, cooling to 200 ℃ along with a furnace, taking out, and naturally cooling to room temperature;
s7, welding seal head structures on two sides of the outer shell 100, wherein the seal head structures are connected with an inflation inlet and an air outlet, and are provided with a pressure sensor and a temperature sensor.
Compared with the prior art, the invention has the beneficial effects that the inner cavity multi-chamber honeycomb structure effectively separates the gas storage inner cavity and is integrally connected with the outer wall, the stress mode that the traditional gas storage tank only depends on the strength of the outer wall to bear the internal pressure is changed, the ribs on the wall surfaces of the inner criss-cross chambers have the functions of strengthening the outer wall and dividing pressure, the pressure bearing capacity of the structure can be close to the yield limit of solid materials according to the volume ratio of the cavity and the solid parts, the pressure bearing capacity of the gas storage device is obviously improved, the structure is particularly suitable for hydrogen storage and transportation with higher design pressure, and the structure is not limited by the shape due to the technical idea of additive manufacturing, can be designed into a special-shaped structure, particularly suitable for hydrogen energy automobiles, is reasonably used at positions such as a vehicle body and a chassis in combination with the structural design of the vehicle body, and has stronger applicability.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.
Claims (3)
1. The manufacturing method of the special-shaped honeycomb type hydrogen high-pressure storage and transportation device is characterized in that the special-shaped honeycomb type hydrogen high-pressure storage and transportation device comprises a gas storage structure, the gas storage structure comprises an outer shell, an inner cavity is formed by surrounding the outer shell, truss ribs connected in a staggered mode are formed in the inner cavity, the truss ribs divide the inner cavity into a plurality of independent cavities, the independent cavities are at least communicated with one independent cavity adjacent to the independent cavities, and the manufacturing method sequentially comprises the following steps:
s1, determining the shape of the outer shell;
s2, designing the truss rib shape by adopting software;
s3, adopting 3D printing subdivision software to perform equal thickness or unequal thickness layering, and setting at least three groups of positioning devices;
s4, laser engraving, precise milling or chemical etching is adopted for processing layer by layer;
s5, stacking, assembling and positioning sequentially according to the digital-analog sequence;
s6, adopting diffusion welding equipment to make vacuum degree be 5 multiplied by 10 -4 Carrying out primary welding forming under the conditions of Pa, pressure of 6MPa, temperature of 460-520 ℃ and heat preservation and pressure maintaining for 2 hours, cooling to 200 ℃ along with a furnace, taking out, and naturally cooling to room temperature;
and S7, welding the seal head structures at the two sides of the outer shell to connect the air charging port and the air outlet.
2. The method of manufacturing a profiled honeycomb hydrogen high pressure storage and transportation device according to claim 1, wherein in step S3, the number of layers is determined by the number of levels in which the independent chambers are located.
3. The method for manufacturing a special-shaped honeycomb type hydrogen high-pressure storage and transportation device according to claim 1, wherein in the step S7, the seal head structure is provided with a pressure sensor and a temperature sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911207731.2A CN110953477B (en) | 2019-11-29 | 2019-11-29 | Special-shaped honeycomb type hydrogen high-pressure storage and transportation device and manufacturing method thereof |
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| CN201911207731.2A CN110953477B (en) | 2019-11-29 | 2019-11-29 | Special-shaped honeycomb type hydrogen high-pressure storage and transportation device and manufacturing method thereof |
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| CN110953477A CN110953477A (en) | 2020-04-03 |
| CN110953477B true CN110953477B (en) | 2024-03-08 |
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| CN114105660B (en) * | 2020-08-28 | 2023-11-24 | 上海市洁能科技有限公司 | Material composition for hydrogen storage structure, material for hydrogen storage structure, and hydrogen storage single tube |
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