CN115493074B - Pressure vessel integrating hydrogen storage and bearing - Google Patents
Pressure vessel integrating hydrogen storage and bearing Download PDFInfo
- Publication number
- CN115493074B CN115493074B CN202211169898.6A CN202211169898A CN115493074B CN 115493074 B CN115493074 B CN 115493074B CN 202211169898 A CN202211169898 A CN 202211169898A CN 115493074 B CN115493074 B CN 115493074B
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- hollow
- hollow beam
- sealing
- pressure vessel
- sealing head
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 21
- 239000001257 hydrogen Substances 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 238000004804 winding Methods 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims description 43
- 229920005989 resin Polymers 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920002748 Basalt fiber Polymers 0.000 claims description 4
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000009730 filament winding Methods 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 description 9
- 229920000647 polyepoxide Polymers 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- F17C1/04—Protecting sheathings
-
- 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
- F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/01—Reinforcing or suspension means
- F17C2203/011—Reinforcing means
- F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/066—Plastics
-
- 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 invention discloses a pressure container integrating hydrogen storage and bearing, which comprises a plurality of groups of hollow beams arranged side by side and sealing heads connected to two ends of the hollow beams, wherein the hollow beams comprise a first hollow beam, a second hollow beam and a plurality of middle hollow beams arranged between the first hollow beam and the second hollow beam; the end sockets comprise a front end socket, a rear end socket and a middle end socket, wherein the front end socket is respectively arranged at one end of a first hollow beam, the rear end socket is arranged at one end of a second hollow beam, the middle end socket is connected to the end parts of two adjacent hollow beams, the end parts of the front end socket are provided with charging connectors, and the end parts of the rear end socket and the middle end socket are plugged; the pressure container has high storage capacity and small occupied space, and improves the space utilization rate; the number of the hollow beams in the middle can be adjusted according to actual conditions, so that the application range is wide; in addition, the peripheries of the hollow beam and the sealing head are integrally reinforced through the fiber winding layer, so that the internal pressure bearing and load enhancement of the whole structure are facilitated.
Description
[ field of technology ]
The invention relates to the technical field of pressure vessels, in particular to a pressure vessel integrating hydrogen storage and bearing.
[ background Art ]
Hydrogen gas is taken as a clean energy and occupies an important position in the field of new energy, and along with the rapid development and industrialization of hydrogen fuel cells and electric vehicles, the research of vehicle-mounted hydrogen storage technology is widely focused at home and abroad. At present, the pressure vessel for hydrogen storage is cylindrical and tank-shaped, has higher space and arrangement pattern requirements on passenger cars, influences the design and layout of a chassis of a hydrogen energy automobile, and easily causes space waste.
Light weight has become a trend of automobile development, and most of hydrogen storage devices and bearing structures in the current engineering application are designed separately, and the requirements of structural and functional integration and light weight are not met, so that development of an integrated structure capable of being used for high-pressure hydrogen storage and bearing is urgently needed.
[ invention ]
The invention aims to provide a pressure container integrating hydrogen storage and bearing, which is designed into a flat structure, so that the internal space of a vehicle body is saved, the space utilization rate is increased, the storage capacity of hydrogen is improved, and the integration of high-pressure hydrogen storage and bearing is realized.
The invention adopts the following technical scheme: the utility model provides a collect hydrogen storage, bear in pressure vessel of an organic whole, includes the multiunit hollow beam that sets up side by side and connects the head at the hollow beam tip, the hollow beam includes first hollow beam, second hollow beam and sets up a plurality of middle hollow beams between first hollow beam and second hollow beam, the head is including setting up the preceding head at first hollow beam one end respectively, setting up the back head and the middle head of connecting at two adjacent hollow beam tip at the second hollow beam tip, all be provided with the cavity that is used for connecting the hollow beam in the head, the length that the hollow beam inserted in the head is less than the length of cavity in the head, the tip of preceding head set up one with its interior cavity intercommunication's charging connector, back head and middle head are not sealed with the one end that the hollow beam is connected.
Preferably, the cross section of the hollow beam is in a rounded quadrilateral structure such as a rounded trapezoid, a rounded rectangle, a rounded square and the like.
Preferably, the hollow beam comprises an inner membrane layer and a composite material layer coated outside the inner membrane layer, wherein the inner membrane layer is a silicon rubber or olefin plastic polymer with good air tightness, corrosion resistance and temperature resistance; the composite material layer is a prepreg made by impregnating continuous fibers or fabrics with resin.
Preferably, the resin in the prepreg is selected from thermosetting resins or thermoplastic resins, and the content thereof is 30-45%.
Preferably, the fiber in the prepreg is selected from one of glass fiber, carbon fiber or basalt fiber and other high-modulus fibers.
Preferably, the thickness of the composite layer is 20 to 50mm, more preferably 20 to 45mm.
Preferably, the seal head is made of metal, and the charging connector on the front seal head and the front seal head are integrally formed.
Preferably, a partition plate is arranged in the middle seal head, the inner cavity of the middle seal head is divided into a left part and a right part, the left part and the right part are respectively used for connecting two adjacent hollow beams, and through holes are formed in the partition plate and used for communicating the left part and the right part of the cavity, so that the circulation of gas in each hollow beam is ensured.
Preferably, a sealing ring placing groove is arranged at the joint of each cavity in the sealing head and the hollow beam and used for placing a sealing ring to seal the joint.
Preferably, the sealing head is provided with an adhesive injection hole communicated with the inner cavity of the sealing head for injecting the adhesive, so that the sealing head and the hollow Liang Nianjie are together.
Preferably, the pressure vessel further comprises a fiber winding layer arranged at the periphery of the hollow beam and the sealing head and used for reinforcing the whole structure, and the thickness of the fiber winding layer is 2-10 mm, and more preferably 2-8 mm.
Preferably, the fiber winding layer is prepared by adopting a winding forming process, and particularly continuous fibers impregnated with resin glue solution are wound on the peripheries of the hollow beam and the sealing head according to a certain angle.
Preferably, the winding angle of the fibers in the fiber winding layer is 90 ° and 0 °.
Preferably, the pressure vessel further comprises a protective layer arranged on the periphery of the fiber winding layer, and the protective layer plays a role in protecting the surface of the integral structural member and preventing abrasion or hooking during use or transportation.
Preferably, the protective layer is made of polymer film materials, such as polyethylene, polyurethane and other materials with better wear resistance.
The invention has the beneficial effects that:
compared with the traditional cylindrical or spherical structure, the pressure container has larger volume, higher storage capacity and small occupied space, and improves the space utilization rate; the device has high bearing capacity, and realizes integration of high-pressure hydrogen storage and bearing;
the number of the middle hollow beams of the pressure vessel can be adjusted according to actual conditions, the application range is wide, and the pressure vessel can be used for storing other gases or liquids;
the pressure vessel is integrally reinforced by the fiber winding layer, so that the internal pressure bearing and load enhancement of the whole structure are facilitated.
[ description of the drawings ]
FIG. 1 is a schematic view of the structure of the pressure vessel of example 1;
FIG. 2 is a schematic view of the hollow beam and the end closure of the pressure vessel according to example 1;
FIG. 3 is a schematic cross-sectional view of the pressure vessel of example 1;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic structural view of the back head of example 1;
FIG. 6 is a schematic structural view of the intermediate head according to example 1;
FIG. 7 is a cross-sectional view of the intermediate head of example 1 coupled to a hollow beam;
fig. 8 is a schematic structural diagram of a hollow beam and a head connection of the hollow beam with a round rectangular cross section in embodiment 2;
FIG. 9 is a schematic structural view of the hollow beam and the end enclosure connection when the cross section of the hollow beam is rounded square in example 3;
wherein 1-a first hollow beam; 101-an inner membrane layer; 102-a composite layer; 2-a second hollow beam; 3-a middle hollow beam; 4-front end socket; 401-charging connector; 5-rear end socket; 6-middle sealing head; 601-a separator; 602-through holes; 603-a boss; 7-a cavity; 8-a seal ring placing groove; 9-an adhesive injection hole; 10-a fiber winding layer; 11-a protective layer.
[ detailed description ] of the invention
The invention is illustrated by the following specific examples, but is in no way limited thereto, in order to make the objects, technical solutions and advantages of the invention more apparent. The following description of the preferred embodiments of the invention is merely illustrative of the invention and should not be taken as limiting the invention, it being understood that any modifications, equivalents, and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.
Example 1
As shown in fig. 1 to 3, the invention provides a pressure container integrating hydrogen storage and bearing, which comprises a plurality of groups of hollow beams arranged side by side and sealing heads connected to the ends of the hollow beams, wherein the hollow beams comprise a first hollow beam 1 and a second hollow beam 2 which are arranged on two sides and a plurality of middle hollow beams 3 arranged between the first hollow beam 1 and the second hollow beam 2, the sealing heads comprise a front sealing head 4 arranged at one end of the first hollow beam 1, a middle sealing head 6 connected to the ends of two adjacent hollow beams and a rear sealing head 5 connected to one end of the second hollow beam 2, and the rear sealing head 5 is connected to one end of the second hollow beam 2, which is not provided with the middle sealing head; one end of the first hollow beam far away from the front end socket 4 and one end of the middle hollow beam adjacent to the first hollow beam share one middle end socket, the other end of the middle hollow beam adjacent to the first hollow beam and one end of the middle hollow beam adjacent to the first hollow beam share one middle end socket, and so on; a cavity 7 for connecting the hollow beam is arranged in the end socket, the length of the hollow beam inserted into the end socket is smaller than that of the cavity in the end socket, a certain distance is reserved between the end part of the hollow beam and one end of the end socket for plugging, and the circulation of gas is ensured; the end part of the front sealing head 4, which is not connected with the hollow beam, is provided with an air charging nozzle 401, and one ends of the rear sealing head 5 and the middle sealing head 6, which are not connected with the hollow beam, are plugged.
The first hollow beam 1, the second hollow beam 2 and the middle hollow beam 3 have the same structure, the sections of the structures are round corner quadrilateral structures such as round corner trapezoids, round corner rectangles, round corner squares and the like, the embodiment provides a structure that the sections of the hollow beams are round corner trapezoids, and the upper bottoms and the lower bottoms of the hollow beams are staggered, so that the adjacent surfaces of the two adjacent hollow beams are parallel to each other.
As shown in fig. 4, the hollow beam in this embodiment includes an inner film layer 101 and a composite material layer 102 coated outside the inner film layer 101, where the inner film layer 101 is a silicone rubber or olefin plastic polymer with good air tightness, corrosion resistance and temperature resistance; the composite layer 102 is a prepreg made by impregnating continuous fibers or fabrics with a resin.
The hollow beam is prepared by adopting an air bag forming process, the appearance and the size of the hollow beam are controlled by a rigid forming die, and the internal air bag provides forming pressure by inflation. Specifically, the laying thickness of the hollow beam composite material plane and the fillet position is determined through simulation, the cut prepreg is laid on an air bag containing a core mold, the laying is carried out according to the thickness calculated by theory, the air bag is put into a lower mold after the laying is finished, the core mold supporting the air bag is taken out, two ends of the air bag are respectively connected with mold sealing heads, the upper mold and the lower mold are assembled, all bolts are fastened, the mold is pushed into an oven, the air bag is pressurized, and finally the curing is completed according to the curing process requirement of the prepreg; after solidification, cooling and demoulding are carried out to obtain the formed composite material hollow beam, and the final air bag is left in the hollow beam as an inner film layer 101 to play a certain sealing role.
Preferably, the resin in the prepreg is selected from thermosetting resin or thermoplastic resin, the content of the resin is 30-45%, and the fiber is selected from one or more of glass fiber, carbon fiber or basalt fiber and other high-modulus fibers.
Preferably, the thickness of the composite material layer is 20 to 50mm.
In the embodiment, the resin for the prepreg is epoxy resin, the content of the epoxy resin is 35%, and the fiber is high-modulus carbon fiber; the lay-up thickness of the prepreg was 37mm.
The seal head is made of metal, and the charging connector 401 on the front seal head 4 is integrally formed with the front seal head; as shown in fig. 5-7, the cavity 7 in the seal head has the same shape as the outer surface of the hollow beam; a partition 601 is arranged in the middle seal head 6, the cavity in the middle seal head is divided into a left part and a right part, the left part and the right part are respectively used for connecting two adjacent hollow beams, and a through hole 602 is formed in the partition 601 and used for communicating the left part and the right part of the cavity, so that the circulation of gas in each hollow beam is ensured.
A boss 603 is arranged on the inner side wall of each cavity in the seal head and used for limiting the length of the hollow beam inserted into the seal head cavity 7.
As shown in fig. 6 and 7, a sealing ring placing groove 8 is arranged at the joint of each cavity in the sealing head and the hollow beam, and is used for placing a sealing ring to seal the joint, so as to prevent leakage of stored articles; preferably, in this embodiment, two sealing ring placing grooves 8 in each cavity are arranged in parallel, and are respectively located at the opening of the cavity of the sealing head and at one side close to the boss 603.
Preferably, the sealing head is provided with an adhesive injection hole 9 communicated with the inner cavity of the sealing head, the adhesive is used for injecting the adhesive, the sealing head is connected with the hollow Liang Nianjie through the adhesive, and the adhesive injection hole 9 is sealed through the adhesive after the sealing head and the hollow Liang Nianjie are connected.
As shown in fig. 4, the pressure vessel further comprises a fiber winding layer 10 arranged at the periphery of the hollow beam and the sealing head, and used for reinforcing the integral structure; the thickness of the fiber winding layer is 2-10 mm.
Preferably, the fiber winding layer 10 is prepared by a winding forming process, specifically, continuous fibers impregnated with resin glue solution are wound around the periphery of the hollow beam and the sealing head according to a certain angle.
Preferably, the continuous fiber is selected from one or more of high modulus fibers such as glass fiber, carbon fiber or basalt fiber; the resin is selected from one of thermosetting resin or thermoplastic resin.
Further preferably, the resin used for the fiber winding layer 10 in this embodiment is epoxy resin, the fibers are carbon fibers, and the winding angle of the fibers is 90 ° and 0 °, and the thickness thereof is 5mm.
As shown in fig. 4, the pressure vessel further comprises a protective layer 11 arranged at the periphery of the filament winding layer, which protects the surface of the integral structural member from abrasion or hooking during use or transportation.
Preferably, the protective layer 11 is made of a polymer film material, such as polyethylene, polyurethane, or other materials with good wear resistance.
The pressure vessel prepared in this example can withstand a working pressure of 70MPa and is not destroyed when subjected to an internal pressure of 100 MPa.
Example 2
As shown in fig. 8, this embodiment shows a structure in which the hollow beam has a rectangular cross section with rounded corners;
the composite material layer 102 in the hollow beam in this embodiment is a prepreg prepared by impregnating continuous carbon fibers with epoxy resin; wherein the content of the epoxy resin is 35%; the paving thickness of the composite material layer is 45mm;
the fiber used in the fiber winding layer is high-modulus glass fiber, the resin is epoxy resin, and the winding angle of the fiber is 90 degrees and 0 degrees; the thickness of the filament wound layer was 2mm.
The pressure vessel prepared in this example can withstand a working pressure of 70MPa and is not destroyed when subjected to an internal pressure of 100 MPa.
Example 3
As shown in fig. 9, this embodiment shows the structure when the hollow beam section is a rounded square;
the composite material layer 102 in the hollow beam in this embodiment is a prepreg obtained by impregnating continuous glass fibers with epoxy resin; wherein the content of the epoxy resin is 45%; the paving thickness of the composite material layer is 20mm;
the fiber used in the fiber winding layer is high-modulus carbon fiber, the resin is epoxy resin, and the winding angle of the fiber is 90 degrees and 0 degrees; the thickness of the filament wound layer was 8mm.
The pressure vessel prepared in this example can withstand a working pressure of 70MPa and is not destroyed when subjected to an internal pressure of 100 MPa.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The pressure vessel integrating hydrogen storage and bearing is characterized by comprising a plurality of groups of hollow beams arranged side by side and sealing heads connected to two ends of the hollow beams; the hollow beams comprise a first hollow beam, a second hollow beam and a plurality of middle hollow beams arranged between the first hollow beam and the second hollow beam; the cross section of the hollow beam is in a round-corner quadrangle shape and comprises an inner membrane layer and a composite material layer coated outside the inner membrane layer, wherein the composite material layer is prepreg prepared by impregnating continuous fibers or fabrics with resin; the sealing heads comprise a front sealing head, a rear sealing head and a middle sealing head, wherein the front sealing head is respectively arranged at one end of a first hollow beam, the rear sealing head is arranged at one end of a second hollow beam, the middle sealing heads are connected to the end parts of two adjacent hollow beams, cavities for connecting the hollow beams are arranged in the sealing heads, the length of the hollow beams inserted into the sealing heads is smaller than that of the cavities in the sealing heads, sealing ring placing grooves are formed in the joint of each cavity in the sealing heads and the hollow beam, and adhesive injection holes communicated with the cavities in the sealing heads are formed in the sealing heads; the end part of the front sealing head is provided with an air charging nozzle communicated with the inner cavity of the front sealing head, and one ends of the rear sealing head and the middle sealing head, which are not connected with the hollow beam, are blocked; a partition board is arranged in the middle seal head, and a through hole is formed in the partition board; the pressure vessel also comprises a fiber winding layer arranged at the periphery of the hollow beam and the sealing head, and the thickness of the fiber winding layer is 2-10 mm.
2. The integrated hydrogen storage and carrier pressure vessel of claim 1 wherein said resin in said prepreg is selected from the group consisting of thermosetting resins and thermoplastic resins in an amount of 30 to 45%.
3. The hydrogen storage and loading integrated pressure vessel of claim 2 wherein the fibers in the prepreg are selected from one of glass fibers, carbon fibers, basalt fibers.
4. The integrated hydrogen storage and carrier pressure vessel of claim 1 wherein said composite layer has a thickness of 20-50 mm.
5. The integrated hydrogen storage and bearing pressure vessel of claim 1 further comprising a protective layer disposed on the periphery of the filament winding layer, wherein the protective layer is made of a polymeric film material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169898.6A CN115493074B (en) | 2022-09-23 | 2022-09-23 | Pressure vessel integrating hydrogen storage and bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169898.6A CN115493074B (en) | 2022-09-23 | 2022-09-23 | Pressure vessel integrating hydrogen storage and bearing |
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| Publication Number | Publication Date |
|---|---|
| CN115493074A CN115493074A (en) | 2022-12-20 |
| CN115493074B true CN115493074B (en) | 2024-02-02 |
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| CN202211169898.6A Active CN115493074B (en) | 2022-09-23 | 2022-09-23 | Pressure vessel integrating hydrogen storage and bearing |
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