CN210259456U - Ultrahigh-pressure hydrogen storage tank - Google Patents
Ultrahigh-pressure hydrogen storage tank Download PDFInfo
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- CN210259456U CN210259456U CN201920792082.6U CN201920792082U CN210259456U CN 210259456 U CN210259456 U CN 210259456U CN 201920792082 U CN201920792082 U CN 201920792082U CN 210259456 U CN210259456 U CN 210259456U
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Abstract
The utility model provides an ultrahigh pressure hydrogen storage tank, a tank body, a sealing cover and a high-strength sealing nozzle, wherein the high-strength sealing nozzle is arranged on the tank body, the sealing cover is connected with the high-strength sealing nozzle in a sealing way, the two ends of the tank body are integrally formed, or one end of the tank body is the high-strength sealing nozzle, and the other end is a seal; the high-strength sealing nozzle comprises a neck, a thickening part and a bulge part, wherein the bulge part is positioned at the end part of the neck, and the thickening part is positioned at the periphery of the neck. The high-sealing nozzle and the tank body are integrally arranged, so that structural strength of the tank body is effectively improved, when hydrogen is stored in the storage tank, the neck of the tank body is hydrogen brittle, the tank body is cracked and leaks air, the high-sealing nozzle is arranged, the air tightness of the tank body is effectively improved, meanwhile, the connection strength with an external connecting part of the tank body is also improved, and the safety of the tank body is effectively improved.
Description
Technical Field
The utility model relates to a hydrogen energy storage equipment, especially an superhigh pressure hydrogen storage jar.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen power automobile, other new energy automobiles and the like.
Hydrogen as an energy source has incomparable advantages: the combustion heat value of hydrogen is high, and the energy of hydrogen per kilogram after combustion is about 3 times that of gasoline, 3.9 times that of alcohol and 4.5 times that of coke; the product of hydrogen combustion is water, and has zero pollution to the environment; hydrogen reserves on earth are extremely abundant (prepared from seawater) and are renewable and recyclable. Therefore, hydrogen is the most ideal energy source for human beings, and is widely concerned by countries all over the world. Hydrogen energy, now considered to be the ultimate solution for mankind to solve the future energy crisis, as well as the most effective way to solve the current environmental problems.
From the preparation of hydrogen to the specific application of hydrogen, the storage of hydrogen is an indispensable link, but because hydrogen is a flammable and explosive substance, how to safely, cheaply and store hydrogen for a long time becomes the key for hydrogen energy utilization. Hydrogen (especially high-pressure hydrogen) can be stored for hydrogen, the filling and discharging speed is high, the basic energy consumption is low, the manufacturing economy of the storage tank is high, and the storage tank is one of effective ways for storing hydrogen, but in the using process, the tank body is easy to leak gas, the sealing effect is not ideal, the service life is short, especially the gas leakage at the welding part of the tank body or the sealing cover is serious, so that the failure of the hydrogen storage tank can be caused, and in addition, the flammable and explosive characteristics of the hydrogen are easy to cause fire, explosion and even serious disasters; the pressure of a conventional gas storage tank is generally below 40MPa, so that the design requirement of the storage tank for hydrogen storage, particularly for high-pressure hydrogen storage, is high, and the gas leakage risk of the storage tank becomes one of the main bottlenecks limiting the development of the high-pressure hydrogen storage tank.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned not enough of prior art, and provide a high seal, structural strength height and safe superhigh pressure hydrogen storage jar.
The technical scheme of the utility model is that: an ultrahigh-pressure hydrogen storage tank comprises a tank body, a sealing cover and a high-strength sealing nozzle, wherein the high-strength sealing nozzle is arranged on the tank body, the sealing cover is in sealing connection with the high-strength sealing nozzle, the two ends of the tank body are integrally formed high-strength sealing nozzles, or one end of the tank body is provided with the high-strength sealing nozzle, and the other end of the tank body is provided with a seal; the high-strength sealing nozzle comprises a neck, a thickening part and a bulge part, wherein the bulge part is positioned at the end part of the neck, and the thickening part is positioned at the periphery of the neck.
Further, the bulge is the first protrusion end that extends to jar internal portion, and the neck upper end is the oral area, and the up end of oral area and the up end of neck are equal level.
Furthermore, the bulge part also comprises a second bulge end extending towards the outside of the tank body, and the upper end surface of the opening part is flush with the upper end surface of the second bulge end.
Furthermore, the first protruding end and the pipe wall are oblique lines, arc lines or parabolic lines.
Furthermore, the mouth part of the high-strength sealing nozzle is V-shaped.
Furthermore, the high-strength sealing nozzle is provided with internal threads, the thickness of the thickened part is 1-200mm, and the thickness and the length of the first protruding end are 1-40mm and 1-100mm respectively.
Furthermore, the thickness and the length of the second protruding end are 1-40mm and 1-100mm respectively, and the second protruding end is provided with an external thread.
Further, sealed lid includes the lid and is located the dabber in the lid, be equipped with the external screw thread that matches with the internal thread of high strength seal mouth on the dabber, the lid is equipped with the internal thread that matches with the external screw thread of high strength seal mouth.
Further, a sealing gasket is arranged in the sealing cover, and a gas discharging device or an inflating device is arranged on the sealing cover.
Furthermore, a pressure gauge and a valve are arranged on the storage tank and used for connecting a connecting end of the conveying gas, and the storage tank bears the pressure of 40MPa-300 MPa.
The utility model has the characteristics of as follows:
1. the high sealing nozzle and the tank body are integrally arranged, so that the structural strength of the tank body is effectively improved, the phenomenon of hydrogen brittleness of the neck of the tank body is avoided when hydrogen is stored in the storage tank, the tank body is cracked and leaks air, the high sealing nozzle is arranged, the air tightness of the tank body is effectively improved, the connecting strength of the high sealing nozzle and an external connecting part of the tank body is improved, and the safety of the tank body is effectively improved.
2. The setting of high sealing nozzle thickening portion has effectually improved the security of the jar body, has also reduced the sensitivity of jar internal hydrogen to the temperature simultaneously, is favorable to jar internal and external thermal-insulated effect more.
3. First protrusion end extends to jar internal portion, when jar internal pressure progressively increases, produces mutual extruded pressure to the outside of first protrusion end, makes high sealing nozzle and external connection spare be connected inseparabler, improves joint strength, can improve the gas tightness of jar body simultaneously.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural view of the ultrahigh-pressure hydrogen storage tank of the present invention;
FIG. 2 is a schematic structural view of a high-strength sealing nozzle in FIG. 1;
FIG. 3 is a cross-sectional view of the high strength sealing nozzle of FIG. 2;
FIG. 4 is a cross-sectional view of another embodiment of the high strength sealing nozzle;
FIG. 5 is a cross-sectional view of the closure of FIG. 1;
1-sealed lid, 2-high strength seal mouth, 3-jar body, 4-seals, 5-oral area, 6-second protrusion end, 7-neck, 8-bodiness portion, 9-first protrusion end, 10-dabber, 11-sealed pad, 12-lid.
Detailed Description
As shown in the attached drawings: an ultrahigh-pressure hydrogen storage tank comprises a tank body 3, a sealing cover 1 and a high-strength sealing nozzle 2, wherein the high-strength sealing nozzle 2 is arranged on the tank body 3, the sealing cover 1 is in sealing connection with the high-strength sealing nozzle 2, a gas discharging device or an inflating device is arranged on the sealing cover 1, a sealing gasket 11 is arranged in the sealing cover 1, two ends of the tank body 3 are integrally formed high-strength sealing nozzles 2, the integral forming avoids welding or adopts other modes for connection, the air tightness and the service life of the tank body 3 are conveniently improved, the occurrence of the conditions of cracks, air leakage and the like at the welding position is prevented, and the safety of the storage tank; the high-strength sealing nozzles 2 are arranged at the two ends of the tank body 3, so that hydrogen can be conveyed into and out of the tank body conveniently, gas can be conveyed from one end of the tank body, gas can be conveyed from the other end of the tank body, or the two ends of the tank body can simultaneously convey hydrogen, so that the conveying efficiency is improved.
In another embodiment, jar body 3 one end is high strength sealing mouth 2, and the other end is for sealing 4, sets up the other end to seal 4 can further improve jar body 3's sealed effect and jar body 3 compressive capacity, the improvement of jar body 3 life of being convenient for, jar body 3 adopts the less stainless steel alloy material of infiltration hydrogen to make, or adopts steel to make and just face the metallization in jar body 3, if: the metal plating layers of Cu, Mo, Al, Ag, Au, W and the like have low hydrogen diffusivity and low hydrogen solubility, and less hydrogen permeation, thereby being further beneficial to prolonging the service life of the tank body 3.
The high-strength sealing nozzle 2 comprises a neck part 7, a thickening part 8 and a protruding part, wherein the protruding part is positioned at the lower end of the neck part 7, the protruding part is a first protruding end 9 extending towards the inside of the tank body 3, the upper end of the neck part 7 is a mouth part 5, and the upper end surface of the mouth part 5 is flush with the upper end surface of the neck part 7; thickening portion 8 is located neck 7 periphery, and the setting of first protrusion end 9 is convenient for improve external connection spare exhaust apparatus or aerating device and jar body 3's joint strength, and first protrusion end 9 receives the effect of the inside atmospheric pressure of jar body 3 to make self shrink simultaneously, and the improvement of the 3 gas tightness of the jar body of being convenient for prevents the emergence of gas leakage.
In another embodiment, the protruding portion is located at two ends of the neck 7, the protruding portion extends to the inside of the tank body 3 to form a first protruding end 9, the protruding portion extends to the outside of the tank body 3 to form a second protruding end 6, the upper end face of the mouth portion 5 is flush with the upper end face of the second protruding end 6, the second protruding end 6 is arranged, so that the external connecting piece and the tank body 3 can be tightly connected and the connection strength can be improved, and meanwhile, the multi-layer sealing effect can be formed, so that the sealing effect of the tank body 3 can be improved.
The first protruding end 9 and the pipe wall are in a diagonal line, an arc line or a parabola line; preferably, the first protruding end 9 and the pipe wall are parabolic, so that the first protruding end 9 is located on the central axis 10 line of the tank body 3, the distance and the angle between the periphery and the pipe wall are equal, the stress of the high-strength sealing nozzle 2 is uniform, and the service life of the tank body 3 is prolonged.
Preferably, 2 oral area 5 of high strength sealing mouth is the V style of calligraphy, and the V style of calligraphy sets up the improvement of the sealing strength between oral area 5 and the external connecting piece of being convenient for, is favorable to the improvement of sealed effect when combining sealed the pad 11 more.
The high-strength sealing nozzle 2 is provided with internal threads, the thickness of the thickened part 8 is 1-200mm, and the thickness of the first protruding end 9 is 1-40 mm. The thickness of the second protruding end 6 is 1-40mm, and the second protruding end 6 is provided with an external thread; preferably, the thickness of the thickened portion 8 is 180mm and the thickness of the first projecting end 9 is 30 mm. The thickness of the second projecting end 6 is 30 mm; more preferably, the thickness of the thickened portion 8 is 100mm and the thickness of the first projecting end 9 is 10 mm. The thickness of the second projecting end 6 is 20 mm; most preferably, the thickness of the thickened portion 8 is 30mm and the thickness of the first projecting end 9 is 2 mm. The thickness of the second protruding end 6 is 5 mm; when the thickness of the thickened part 8 is more than 200mm, the manufacturing cost of the tank body 3 is increased, and meanwhile, the manufacturing difficulty is increased, so that the use safety and the pressure resistance of the tank body 3 are influenced when the thickness is too thin; when the thickness of the first protruding end 9 is larger than 40mm, the influence of the air pressure in the tank body 3 on the degree of contraction of the first protruding end 9 is small, which is not beneficial to improving the air tightness, and when the thickness is too thin, the service life of the first protruding end 9 is influenced, and the first protruding end is easy to fall off due to abrasion in use; when the thickness of the second projecting end 6 is larger than 40mm, the cost is increased, and when the second projecting end 6 is thin, the second projecting end 6 is easily broken or falls off, which is disadvantageous to the service life.
The length of the first protruding end 9 and the second protruding end is 1-100 mm; preferably, the length of the first protruding end 9 is 1-50mm, and the length of the second protruding end is 10-80 mm; more preferably, the length of the first protruding end 9 is 10mm, the length of the second protruding end is 40mm, the length of the first protruding end 9 is suitable, so that the generation of the tightening force is facilitated, the adhesion connection strength between the first protruding end and the second protruding end and the connection is facilitated, the air tightness is facilitated to be improved, the length of the second protruding end 6 is suitable, the connection strength between the first protruding end and the second protruding end is facilitated to be improved, and the air tightness of the tank body 3 is facilitated to be improved and the service life of the tank body is prolonged.
Sealed lid 1 includes lid 12 and the dabber 10 that is located lid 12, dabber 10 is the tubular structure, be equipped with the external screw thread that matches with 2 internal screw threads of high strength seal mouth on the dabber 10, lid 12 is equipped with the internal screw thread that matches with 2 external screw threads of high strength seal mouth, the improvement of the gas tightness of being convenient for of threaded setting makes sealed lid 1 and 2 formation multilayer sealings of high strength seal mouth, dabber 10 and 2 internal thread connections of high strength seal mouth form first layer sealed, it seals to set up sealed 11 and 2 formation second layer sealings of high strength seal mouth in sealed lid 1, sealed lid 1 and 6 external screw threads of second protrusion end form third layer seals, the effectual gas tightness that has improved jar body 3, be convenient for jar body 3 life's improvement.
In another embodiment, the sealing cover 1 at one end of the tank body 3 is provided with a gas exhaust device, the sealing improvement at the other end is provided with an inflation device, and the gas exhaust device and the inflation device adopt common devices in the market, so that the use convenience and the safety of the storage tank are improved.
The storage tank is provided with a pressure gauge and a valve used for connecting the connecting end of the conveying gas, the bearing pressure of the storage tank is more than or equal to 20MPa, the maximum bearing pressure of the tank body 3 is 300MPa, and the outside of the storage tank can be connected with a pressure gauge, a flow meter, a thermometer, a valve and other devices.
The preferred embodiments of the present invention have been described in detail above, but it is apparent that the present invention is not limited to the above embodiments. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple equivalent variant, and these equivalent variants all belong to the utility model discloses a protection scope. In addition, it should be noted that the technical features described in the above embodiments may be separately and independently combined as long as they are within the technical concept of the present invention.
Claims (10)
1. The utility model provides an ultrahigh pressure hydrogen storage jar, jar body, sealed lid and high strength seal mouth, on the high strength seal mouth located jar body, sealed lid and high strength seal mouth sealing connection, its characterized in that: the two ends of the tank body are provided with integrally formed high-strength sealing nozzles, or one end of the tank body is provided with the high-strength sealing nozzle, and the other end of the tank body is provided with a seal; the high-strength sealing nozzle comprises a neck, a thickening part and a bulge part, wherein the bulge part is positioned at the end part of the neck, and the thickening part is positioned at the periphery of the neck.
2. The ultrahigh-pressure hydrogen storage tank as claimed in claim 1, wherein: the bulge is the first protrusion end that extends to jar internal portion, and the neck upper end is the oral area, and the up end of oral area and the up end of neck remain the same level.
3. The ultrahigh-pressure hydrogen storage tank as claimed in claim 2, wherein: the protruding part also comprises a second protruding end extending to the outside of the tank body, and the upper end face of the opening part is flush with the upper end face of the second protruding end.
4. The ultrahigh-pressure hydrogen storage tank as claimed in claim 2, wherein: the first protruding end and the pipe wall are oblique lines, arc lines or parabolic lines.
5. The ultrahigh-pressure hydrogen storage tank as claimed in claim 1, wherein: the mouth part of the high-strength sealing nozzle is V-shaped.
6. The ultrahigh-pressure hydrogen storage tank as claimed in claim 5, wherein: the high-strength sealing nozzle is provided with internal threads, the thickness of the thickened part is 1-200mm, and the thickness and the length of the first protruding end are 1-40mm and 1-100mm respectively.
7. The ultrahigh-pressure hydrogen storage tank as claimed in claim 3, wherein: the thickness and the length of the second protruding end are 1-40mm and 1-100mm respectively, and the second protruding end is provided with external threads.
8. The ultrahigh-pressure hydrogen storage tank as claimed in claim 1, wherein: the sealed lid includes the lid and is located the dabber in the lid, is equipped with the external screw thread that matches with the internal thread of high strength seal mouth on the dabber, and the lid is equipped with the internal thread that matches with the external screw thread of high strength seal mouth.
9. The ultrahigh-pressure hydrogen storage tank as claimed in claim 8, wherein: the sealing cover is internally provided with a sealing gasket, and the sealing cover is provided with a gas discharging device or an inflating device.
10. The ultrahigh-pressure hydrogen storage tank as claimed in any one of claims 1 to 9, wherein: the storage tank is provided with a pressure gauge and a valve which are used for connecting the connecting end of the conveying gas, and the storage tank bears the pressure of 40MPa-300 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792082.6U CN210259456U (en) | 2019-05-29 | 2019-05-29 | Ultrahigh-pressure hydrogen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792082.6U CN210259456U (en) | 2019-05-29 | 2019-05-29 | Ultrahigh-pressure hydrogen storage tank |
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| CN210259456U true CN210259456U (en) | 2020-04-07 |
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| CN201920792082.6U Active CN210259456U (en) | 2019-05-29 | 2019-05-29 | Ultrahigh-pressure hydrogen storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022551990A (en) * | 2019-10-18 | 2022-12-14 | クライオポート，インコーポレーテッド | Steam stopper retaining strap |
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2019
- 2019-05-29 CN CN201920792082.6U patent/CN210259456U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022551990A (en) * | 2019-10-18 | 2022-12-14 | クライオポート，インコーポレーテッド | Steam stopper retaining strap |
| JP7463504B2 (en) | 2019-10-18 | 2024-04-08 | クライオポート，インコーポレーテッド | Steam Tap Retaining Strap |
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