CN103883874A - Hydrogen storage tank with external heat exchanging structure - Google Patents
Hydrogen storage tank with external heat exchanging structure Download PDFInfo
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- CN103883874A CN103883874A CN201210566858.5A CN201210566858A CN103883874A CN 103883874 A CN103883874 A CN 103883874A CN 201210566858 A CN201210566858 A CN 201210566858A CN 103883874 A CN103883874 A CN 103883874A
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- 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
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Abstract
The invention discloses a hydrogen storage tank with an external heat exchanging structure, and belongs to the hydrogen storage technical field of the hydrogen energy field. The hydrogen storage tank comprises the following structure: a skirt support is disposed at the bottom of a tank body; a hydrogen storage material bed is disposed in the tank body; a gas guide tube is disposed at the center position in the tank body and pass straight through the tank mouth from the tank bottom; a filter is installed in the tank mouth, and a hydrogen cylinder valve is installed at the external of the tank mouth; a housing is disposed at the external of the tank body, two ends of the housing are respectively provided with a heat conduction liquid inlet and a heat conduction liquid outlet; and a heat exchanging structure is arranged in an annular chamber between the housing and the tank body. The heat exchanging structure is in the shape of a straight flow, a winding flow, a single spiral or multiple spirals, and the hydrogen storage material bed is a uniform mixed body of a hydrogen storage material and heat conduction fiber. The provided hydrogen storage tank is simple in structure, easy for preparation and processing, and low in cost. Compared with conventional hydrogen storage tanks, the hydrogen storage tank provided by the invention has relatively excellent heat exchanging effect and relatively excellent hydrogen desorption performance.
Description
Technical field
The invention belongs to the hydrogen storage technology field in Hydrogen Energy field, particularly a kind of hydrogen storing tank with outer heat exchange structure.
Background technique
Along with social development, the fossil fuels such as coal, oil, rock gas cannot meet the growing demand of the mankind, and the use of fossil fuel has simultaneously caused again the deterioration of ecotope, as greenhouse effect.In addition, coal, oil, rock gas etc. are non-renewable resources, and reserves are on earth limited, and the mankind can not depend on them always.Therefore many countries are all at the new alternative energy source of research and development, as Hydrogen Energy, wind energy, solar energy, nuclear energy, biomass energy, water energy, ocean energy etc.The combustion heat value of hydrogen is high, and the energy after the burning of every kg of hydrogen is about 3 times of gasoline, 3.9 times of alcohol, 4.5 times of coke; The product of hydrogen burning is water, to zero environmental; Hydrogen is the material the most widely that distributes in universe, and it has formed 75% of universe gross mass, extremely abundant at the reserves of the earth, renewable and recycling, and therefore Hydrogen Energy is considered to the energy of ideals of human being, has obtained global extensive concern.
Fuel cell is the applicable important way of hydrogen, and the plurality of advantages such as have efficient, environmental protection, lightweight, noise is little has a good application prospect in fields such as communications and transportation, distributed power generation and standby power supplies.Fuel cell adopts hydrogen as fuel, need to have reliable and stable hydrogen source.At present, comparatively practical storage hydrogen mode mainly contains three kinds: high-pressure bottle storage hydrogen (as steel cylinder), low temperature liquid hydrogen storage tank (cooled cryostat tank) and hydrogen storage material hydrogen storing tank.Hydrogen storage material hydrogen storing tank is the storage of reacting to realize hydrogen that utilizes hydrogen and hydrogen storage material, compared with other storage hydrogen modes, has that hydrogen-storage density is high, Security good, hydrogen purity advantages of higher, can provide reliable and stable hydrogen source for fuel cell.
Hydrogen storage material is inhaled when hydrogen can produce amount of heat, and need absorb from outside heat while putting hydrogen, and temperature is huge on the suction hydrogen discharging rate impact of hydrogen bearing alloy, therefore, puts carrying out fast of hydrogen for guaranteeing that hydrogen storage material hydrogen storing tank is inhaled, and should improve its heat-exchange performance.Chinese patent CN202048351U arranges cellular heat exchange structure in hydrogen storing tank, improved the heat-transfer capability of hydrogen storing tank inside, but it does not strengthen the heat exchange of hydrogen storing tank and environment, and its fabricating cost is high, and difficulty of processing is large.By a certain amount of heat-exchange fin of the outside installation of hydrogen storing tank, carry out heat exchange by air, although increased the heat exchange area of hydrogen storing tank and environment, but the heat exchange of air is poor, this structure is to improving the heat-exchange performance limited (as: patent CN2861702Y, CN1609499A, CN2658543Y and CN201562717U etc.) of hydrogen storing tank.Patent CN2667678Y discloses a kind of hydrogen storing tank with internal spiral heat pipe, improve the heat exchange efficiency of hydrogen storing tank inside, but the heat exchange area of spiral heat pipe is limited, cannot significantly improve the performance of hydrogen storing tank, and spiral heat exchange tube makes the internal structure complexity of hydrogen storing tank, the uniformity of hydrogen storage material can not be guaranteed, its safety reliability cannot be ensured.
Summary of the invention
For addressing the above problem, the present invention proposes a kind of hydrogen storing tank with outer heat exchange structure.
With a hydrogen storing tank for outer heat exchange structure, structure is as follows:
Described hydrogen storing tank is made up of skirt 1, heat conducting liquid entrance 2, shell 3, heat exchange structure 4, tank body 5, air pipe 6, hydrogen storage material bed body 7, heat conducting liquid outlet 8, filter sheet 9, hydrogen cylinder valve 10.
Skirt 1 is positioned at the bottom of tank body 5; Hydrogen storage material bed body 7 is positioned at tank body 5; Air pipe 6 is positioned at tank body 5 inside center positions, and leads directly to tank mouth from the bottom of tank body 5; Tank mouth inside is provided with filter sheet 9, and tank mouth outside is provided with hydrogen cylinder valve 10; Shell 3 is positioned at the outside of described tank body 5, and the two ends of shell 3 are respectively equipped with heat conducting liquid entrance 2 and heat conducting liquid outlet 8; In annular housing between shell 3 and tank body 5, be provided with heat exchange structure 4;
Wherein,
The external diameter of described tank body 5 is 60 ~ 180mm, and length is 500 ~ 2500mm;
The external diameter of described shell 3 is than the large 10 ~ 50mm of the external diameter of tank body 5, and thickness is 1 ~ 5mm, and length is consistent with tank body 5;
Described heat exchange structure 4 is direct current shape, baffling shape, single-screw shape or many spiralitys, is arranged in the annular housing between shell 3 and tank body 5, forms heat conducting liquid passage; Force heat conducting liquid along the channel flow in heat exchange structure, thereby significantly strengthen heat transfer effect;
Described hydrogen storage material bed body 7 is the homogeneous mixture of hydrogen storage material and heat conducting fiber; Described hydrogen storage material is Rare Earth AB
5type, titanium are AB
2any one in type and AB type, titanium vanadium solid solution and high power capacity light hydrogen occluding material; The material of described heat conducting fiber is any one in aluminium, copper and carbon; The mass ratio of hydrogen storage material and heat conducting fiber is between 98:2 ~ 90:10;
Described air pipe 6 and copper powder or the stainless steel sintering body of filter sheet 9 for adopting powder metallurgy process to make, filter precision is 0.5 ~ 5 micron, can effectively stop hydrogen storage material powder, guarantees the unimpeded of hydrogen simultaneously.
Beneficial effect of the present invention is:
A kind of hydrogen storing tank with outer heat exchange structure provided by the invention is simple in structure, makes easy processing, and cost is low; At hydrogen storing tank outer installment heat exchange structure, increased the heat exchange area of hydrogen storing tank, and heat exchange structure significantly improves the mobile distance of heat conducting liquid, further improve heat transfer effect; Have better heat transfer effect compared with existing hydrogen storing tank, its hydrogen discharging performance is more excellent, can put continuously hydrogen 190min in 57SL/min hydrogen flowing quantity condition, and hydrogen-releasing rate is up to 98%.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hydrogen storing tank with outer heat exchange structure provided by the invention;
Fig. 2 uses the hydrogen storing tank of the embodiment of the present invention in the time that 57SL/min hydrogen flowing quantity is transferred hydrogen, Hydrogen Vapor Pressure (curve A), puts hydrogen flow (curve B) and accumulation hydrogen desorption capacity (curve C) curve over time;
Fig. 3 is the structural representation of direct current shape heat exchange structure;
Fig. 4 is the structural representation of baffling shape heat exchange structure;
Fig. 5 is the structural representation of single-screw shape heat exchange structure;
Fig. 6 is the structural representation of many spiralitys heat exchange structure.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail:
As shown in Figure 1, a kind of structure of the hydrogen storing tank with outer heat exchange structure is as follows:
Skirt 1 is positioned at the bottom of tank body 5; Hydrogen storage material bed body 7 is positioned at tank body 5; Air pipe 6 is positioned at tank body 5 inside center positions, and leads directly to tank mouth from the bottom of tank body 5; Tank mouth inside is provided with filter sheet 9, and tank mouth outside is provided with hydrogen cylinder valve 10; Shell 3 is positioned at the outside of described tank body 5, and shell 3 is provided with heat conducting liquid entrance 2 and heat conducting liquid outlet 8; In annular housing between shell 3 and tank body 5, be provided with heat exchange structure 4; Hydrogen cylinder valve 10 adopts raw meal belt sealing with tank body 5;
Wherein, tank body 5 is welded by stainless steel seamless pipe and end socket, external diameter 140mm, long 1200mm;
The external diameter of shell 3 is 160mm, and the stainless steel coiled sheet weldering thick by 2mm forms,
Air pipe 6 and the stainless steel sintering body of filter sheet 9 for adopting powder metallurgy process to make, filter precision is 1 micron, the diameter of air pipe 6 is 12mm;
Hydrogen storage material is Ti
0.97zr
0.03(VFeMn)
2, heat conducting fiber is aluminium wire, the mass ratio of hydrogen storage material and heat conducting fiber is 95:5;
Fig. 2 be the above-mentioned hydrogen storing tank with outer heat exchange structure under 65 ℃ of water heat transfer boundary conditions, while putting hydrogen with 57SL/min hydrogen flowing quantity, Hydrogen Vapor Pressure (curve A), put hydrogen flow (curve B) and accumulation hydrogen desorption capacity (curve C) curve over time.Visible, hydrogen storing tank is can stable operation 190min at 57SL/min hydrogen flowing quantity, and 10.7 cubic metres of hydrogen are put in accumulation, and hydrogen-releasing rate reaches 98%, has good hydrogen discharging performance.
Fig. 3 is the schematic diagram of direct current shape heat exchange structure, and this structural advantages is little to the resistance of heat conducting liquid, and shortcoming is heat exchange inequality in the situation that heat conducting liquid flow is less, and the heat exchange efficiency of bottom is higher than the heat exchange efficiency at top;
Fig. 4 is the schematic diagram of baffling shape heat exchange structure, and the advantage of this structure is the heat exchange uniformity that can guarantee heat conducting liquid, but shortcoming is larger to the resistance of heat conducting liquid;
Fig. 5 and Fig. 6 are respectively single-screw shape and many spiralitys heat exchange structure, and these two kinds of heat exchange structures combine the advantage of direct current shape and baffling shape heat exchange structure, can guarantee the uniformity of heat exchange, also less to the resistance of heat conducting liquid;
The heat exchange structure of several forms is simple above, and fabricating cost is low, has excellent heat transfer effect simultaneously.
Claims (10)
1. with a hydrogen storing tank for outer heat exchange structure, it is characterized in that, described hydrogen storing tank structure is as follows:
Skirt (1) is positioned at the bottom of tank body (5); Hydrogen storage material bed body (7) is positioned at tank body (5); Air pipe (6) is positioned at tank body (5) inside center position, and leads directly to tank mouth from the bottom of tank body (5); Tank mouth inside is provided with filter sheet (9), and tank mouth outside is provided with hydrogen cylinder valve (10); Shell (3) is positioned at the outside of described tank body (5), and the two ends of shell (3) are respectively equipped with heat conducting liquid entrance (2) and heat conducting liquid outlet (8); In annular housing between shell (3) and tank body (5), be provided with heat exchange structure (4).
2. the hydrogen storing tank with outer heat exchange structure according to claim 1, is characterized in that, the external diameter of described tank body (5) is 60 ~ 180mm, and length is 500 ~ 2500mm.
3. the hydrogen storing tank with outer heat exchange structure according to claim 1, is characterized in that, the external diameter of described shell (3) is than the large 10 ~ 50mm of external diameter of tank body (5), and thickness is 1 ~ 5mm, and length is consistent with tank body (5).
4. the hydrogen storing tank with outer heat exchange structure according to claim 1, is characterized in that, described heat exchange structure (4) is direct current shape, baffling shape, single-screw shape or many spiralitys.
5. the hydrogen storing tank with outer heat exchange structure according to claim 1, is characterized in that, described hydrogen storage material bed body (7) is the homogeneous mixture of hydrogen storage material and heat conducting fiber.
6. the hydrogen storing tank with outer heat exchange structure according to claim 5, is characterized in that, the mass ratio of hydrogen storage material and heat conducting fiber is between 98:2 ~ 90:10.
7. the hydrogen storing tank with outer heat exchange structure according to claim 5, is characterized in that, described hydrogen storage material is Rare Earth AB
5type, titanium are AB
2any one in type and AB type, titanium vanadium solid solution and high power capacity light hydrogen occluding material.
8. the hydrogen storing tank with outer heat exchange structure according to claim 5, is characterized in that, the material of described heat conducting fiber is any one in aluminium, copper and carbon.
9. the hydrogen storing tank with outer heat exchange structure according to claim 1, is characterized in that, described air pipe (6) and filter sheet (9) copper powder or the stainless steel sintering body for adopting powder metallurgy process to make.
10. the hydrogen storing tank with outer heat exchange structure according to claim 1, is characterized in that, described air pipe (6) and the filter precision of filter sheet (9) are 0.5 ~ 5 micron.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151869A (en) * | 2015-04-15 | 2016-11-23 | 石家庄安瑞科气体机械有限公司 | Solid high-voltage mixing hydrogen-storing device |
| CN106594518A (en) * | 2016-11-28 | 2017-04-26 | 北京有色金属研究总院 | Metal hydride hydrogen storage device with efficient heat exchange effect |
| CN110542015A (en) * | 2019-07-29 | 2019-12-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Enhanced heat exchange alloy hydrogen storage tank |
| CN110783601A (en) * | 2019-11-07 | 2020-02-11 | 安徽伯华氢能源科技有限公司 | Heat exchange device and heating system |
| CN110788329A (en) * | 2019-11-07 | 2020-02-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Carbon-containing composite hydrogen storage alloy and preparation method thereof, composite solid hydrogen storage tank and hydrogen storage performance testing method |
| CN110788331A (en) * | 2019-11-07 | 2020-02-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Copper-containing composite hydrogen storage alloy and preparation method thereof, composite solid hydrogen storage tank and hydrogen storage performance testing method |
| CN110788330A (en) * | 2019-11-07 | 2020-02-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Aluminum-containing composite hydrogen storage alloy and preparation method thereof, composite solid hydrogen storage tank and hydrogen storage performance testing method |
| CN111370732A (en) * | 2020-03-16 | 2020-07-03 | 安徽伯华氢能源科技有限公司 | Heating system of hydrogen storage tank group |
| CN111879156A (en) * | 2020-06-19 | 2020-11-03 | 浙江大学 | Full-multilayer steel high-pressure hydrogen storage container heat exchange structure and heat exchange method |
| CN112066242A (en) * | 2020-08-07 | 2020-12-11 | 太原科技大学 | Solid hydrogen source device for hydrogen fuel |
| CN114060718A (en) * | 2021-11-26 | 2022-02-18 | 武汉氢能与燃料电池产业技术研究院有限公司 | Hydrogen-absorbing low-strain metal hydride hydrogen storage tank capable of realizing effective heat exchange |
| CN114737299A (en) * | 2022-03-15 | 2022-07-12 | 云路复合材料(上海)有限公司 | Carbon fiber composite hydrogen storage tank preformed body weaving forming method |
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Cited By (17)
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| CN106151869B (en) * | 2015-04-15 | 2024-03-12 | 石家庄安瑞科气体机械有限公司 | Solid-state high-pressure mixed hydrogen storage device |
| CN106151869A (en) * | 2015-04-15 | 2016-11-23 | 石家庄安瑞科气体机械有限公司 | Solid high-voltage mixing hydrogen-storing device |
| CN106594518A (en) * | 2016-11-28 | 2017-04-26 | 北京有色金属研究总院 | Metal hydride hydrogen storage device with efficient heat exchange effect |
| CN110542015B (en) * | 2019-07-29 | 2021-07-30 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Enhanced heat exchange alloy hydrogen storage tank |
| CN110542015A (en) * | 2019-07-29 | 2019-12-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Enhanced heat exchange alloy hydrogen storage tank |
| CN110788330B (en) * | 2019-11-07 | 2022-02-11 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Aluminum-containing composite hydrogen storage alloy and preparation method thereof, composite solid hydrogen storage tank and hydrogen storage performance testing method |
| CN110788330A (en) * | 2019-11-07 | 2020-02-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Aluminum-containing composite hydrogen storage alloy and preparation method thereof, composite solid hydrogen storage tank and hydrogen storage performance testing method |
| CN110788331A (en) * | 2019-11-07 | 2020-02-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Copper-containing composite hydrogen storage alloy and preparation method thereof, composite solid hydrogen storage tank and hydrogen storage performance testing method |
| CN110788329A (en) * | 2019-11-07 | 2020-02-14 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Carbon-containing composite hydrogen storage alloy and preparation method thereof, composite solid hydrogen storage tank and hydrogen storage performance testing method |
| CN110783601A (en) * | 2019-11-07 | 2020-02-11 | 安徽伯华氢能源科技有限公司 | Heat exchange device and heating system |
| CN111370732A (en) * | 2020-03-16 | 2020-07-03 | 安徽伯华氢能源科技有限公司 | Heating system of hydrogen storage tank group |
| CN111370732B (en) * | 2020-03-16 | 2022-12-16 | 安徽伯华氢能源科技有限公司 | Heating system of hydrogen storage tank group |
| CN111879156A (en) * | 2020-06-19 | 2020-11-03 | 浙江大学 | Full-multilayer steel high-pressure hydrogen storage container heat exchange structure and heat exchange method |
| CN111879156B (en) * | 2020-06-19 | 2021-09-10 | 浙江大学 | Heat exchange method based on heat exchange structure of full-multilayer steel high-pressure hydrogen storage container |
| CN112066242A (en) * | 2020-08-07 | 2020-12-11 | 太原科技大学 | Solid hydrogen source device for hydrogen fuel |
| CN114060718A (en) * | 2021-11-26 | 2022-02-18 | 武汉氢能与燃料电池产业技术研究院有限公司 | Hydrogen-absorbing low-strain metal hydride hydrogen storage tank capable of realizing effective heat exchange |
| CN114737299A (en) * | 2022-03-15 | 2022-07-12 | 云路复合材料(上海)有限公司 | Carbon fiber composite hydrogen storage tank preformed body weaving forming method |
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Effective date of registration: 20190308 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Research Institute of engineering and Technology Co., Ltd. Address before: No. 2, Xinjie street, Xicheng District, Beijing, Beijing Patentee before: General Research Institute for Nonferrous Metals |