CN114484274A

CN114484274A - Sea-land dual-purpose large-capacity hydrogen storage container

Info

Publication number: CN114484274A
Application number: CN202111460154.5A
Authority: CN
Inventors: 王庚; 刘高博; 刘博�; 邓欣
Original assignee: Luoyang Sunrui Special Equipment Co Ltd
Current assignee: Luoyang Sunrui Special Equipment Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-13

Abstract

The invention discloses a sea-land dual-purpose large-capacity hydrogen storage container which comprises a container body, a hydrogen storage gas cylinder group and a safety relief device, wherein the hydrogen storage gas cylinder group is arranged in the container body. The hydrogen storage cylinder group is one group or a plurality of groups, and each group of hydrogen storage cylinder group comprises a plurality of hydrogen storage cylinders which are parallel to each other and have two aligned ends. The hydrogen storage cylinder group comprises a box body, a hydrogen storage cylinder group and a plurality of hydrogen storage cylinders, wherein the box body is internally provided with end plates which are positioned at the front end and the rear end of the hydrogen storage cylinder group and play a role in fixing, and a cylinder fixing frame used for limiting the radial direction deformation of each hydrogen storage cylinder, the positions, corresponding to the hydrogen storage cylinders, on the end plates are provided with connecting flanges, and the connecting flanges are provided with cylinder locking devices used for clamping the hydrogen storage cylinders. The foremost end of the box body is provided with a front operation bin, the rearmost end of the box body is provided with a rear operation bin, and at least one set of universal charging and discharging device is arranged in the front operation bin and the rear operation bin. The invention greatly improves the volume-weight ratio of the hydrogen storage container by integrating the III type aluminum inner container fully-wound hydrogen storage cylinder with the nominal pressure of 50MPa, and solves the problem of low hydrogen storage and transportation efficiency in the prior art.

Description

Sea-land dual-purpose large-capacity hydrogen storage container

Technical Field

The invention relates to the technical field of compressed hydrogen storage and transportation equipment, in particular to a sea-land dual-purpose large-capacity hydrogen storage container.

Background

The hydrogen energy is a secondary energy source which is wide in source, clean, free of carbon, flexible, efficient and rich in application scene, is an ideal interconnection medium for promoting clean and efficient utilization of traditional fossil energy and supporting large-scale development of renewable energy, and is an optimal choice for realizing large-scale deep decarburization in the fields of transportation, industry, buildings and the like. The international society pays more and more attention to the problems of ensuring energy safety, protecting ecological environment, coping with climate change and the like, and countries and regions develop and utilize hydrogen energy as an important component of the national energy strategy and an important way for realizing sustainable development.

In the prior art, a tube bundle type container for storing and transporting hydrogen integrates an I-shaped steel hydrogen storage cylinder with the pressure of 20MPa, and the maximum pressure of hydrogen storage is small, so that less compressed hydrogen can be stored in unit volume, the volume-weight ratio is low, and the transportation efficiency is low. The latest III-type aluminum inner container fully-wound hydrogen storage cylinder with 50MPa of pressure has the advantages of strong maximum pressure, high volume-weight ratio and high transportation efficiency, but the prior tube bundle container cannot integrate the III-type hydrogen storage cylinder with 50MPa of nominal pressure because the III-type hydrogen storage cylinder with 50MPa of nominal pressure has a different structure from the I-type hydrogen storage cylinder with 20MPa of nominal pressure.

Disclosure of Invention

The invention aims to provide a sea-land dual-purpose high-capacity hydrogen storage container which can integrate a III type hydrogen storage cylinder with nominal pressure of 50MPa and solve the technical problems of low volume-weight ratio and low efficiency of hydrogen storage and transportation equipment.

In order to achieve the above object, the present invention adopts the following technical solutions.

A large-capacity container for storing hydrogen for sea and land use is composed of a container body and a hydrogen storing cylinder set in said container body.

The hydrogen storage gas cylinder group is a group or a plurality of groups which are arranged side by side and are communicated with each other, and each group of hydrogen storage gas cylinder group comprises a plurality of hydrogen storage gas cylinders which are parallel to each other and the two ends of which are aligned.

The hydrogen storage gas cylinder group comprises a box body, wherein the box body is internally provided with end plates which are positioned at the front end and the rear end of the hydrogen storage gas cylinder group and play a role in fixing, and a bottle body fixing frame used for limiting the radial direction deformation of each hydrogen storage gas cylinder, the positions, corresponding to the hydrogen storage gas cylinders, on the end plates are provided with connecting flanges, and the connecting flanges are provided with gas cylinder locking devices used for clamping the hydrogen storage gas cylinders.

The device is characterized in that a front operation bin is formed between the end plate at the foremost end of the box body and the inner wall of the front side of the box body, a rear operation bin is formed between the end plate at the rearmost end of the box body and the inner wall of the rear side of the box body, a middle bin is formed between two end plates between two adjacent groups of hydrogen storage cylinder groups, and at least one set of universal charging and discharging device is arranged in the front operation bin and the rear operation bin.

The hydrogen storage cylinder is also provided with a safety relief device.

Furthermore, two tail ends of the hydrogen storage cylinder become thin to form a shaft head, the tail end of the shaft head is provided with an end plug, and the cylinder locking device fixes the hydrogen storage cylinder through a clamping shaft head.

Furthermore, the gas cylinder locking device comprises two semicircular locking pieces and a locking bolt, the two locking pieces are connected and encircled on the shaft head through the locking bolt, the shaft head is clamped by utilizing the pretightening force of the locking bolt, the gas cylinder locking device is fixedly connected with the connecting flange through the bolt, and the connecting flange is connected with the end plate through the bolt.

Further, when the hydrogen storage cylinder groups are multiple groups, the multiple groups of hydrogen storage cylinder groups are arranged along the length direction of the hydrogen storage cylinders, and corresponding hydrogen storage cylinders in adjacent hydrogen storage cylinder groups are connected through connecting pipes.

Furthermore, the universal charging and discharging device comprises a collecting pipeline and a universal charging and discharging connector connected with the collecting pipeline, the collecting pipeline is connected with each hydrogen storage cylinder in the nearest hydrogen storage cylinder group through a ring pipe, and a master gate is arranged between the universal charging and discharging connector and the collecting pipeline.

Further, the safety relief device comprises a relief valve and a relief pipeline, each hydrogen storage cylinder is at least provided with one safety relief device, the relief valve is arranged on the end plug, one end of the relief pipeline is connected with the relief valve, and the other end of the relief pipeline is communicated with the top of the box body to facilitate hydrogen dissipation.

Furthermore, the relief valve is a two-way relief valve or a three-way relief valve, the two-way relief valve or the three-way relief valve comprises a first interface and a second interface, the first interface is connected with the hydrogen storage cylinder through an end plug, the second interface is provided with an anti-arch strip groove type rupture disc, and an outlet of the second interface is connected with a relief pipeline; the three-way bleeder valve also comprises a third interface, and the third interface is provided with a cylinder valve or is connected with a connecting pipe.

Furthermore, the ring pipe is connected with the hydrogen storage cylinder through a cylinder valve arranged on the end plug or connected with the hydrogen storage cylinder through a cylinder valve arranged on a third interface of the three-way release valve.

Furthermore, the end part of the connecting pipe is connected with the hydrogen storage cylinder through an end plug or connected with the hydrogen storage cylinder through a third interface of a three-way release valve.

Furthermore, the end plates at the two ends of each hydrogen storage cylinder group are fixedly connected with the box body, and the other end plate is adjustably and fixedly connected with the box body.

Furthermore, the bottle body fixing frame is arranged between the end plates at the two ends of each hydrogen storage gas bottle group, and one or more bottle body fixing frames are arranged.

Furthermore, the bottle body fixing frame is fixedly connected with the box body in an adjustable mode, and a protecting sleeve is arranged at the position, in contact with the hydrogen storage cylinder, of the bottle body fixing frame.

Furthermore, a pressure gauge and a thermometer are arranged on the collecting pipeline, and a pressure gauge valve is also arranged between the pressure gauge and the collecting pipeline.

Further, the middle parts of the connecting pipe and the ring pipe are provided with spiral parts.

Further, the relief valve is a burst-type relief valve.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention is designed aiming at the III type hydrogen storage cylinder 21 with the nominal pressure of 50MPa, the nominal working pressure of the III type hydrogen storage cylinder 21 is 50MPa, the hydrostatic test pressure reaches more than 75MPa, the explosion pressure reaches more than 150MPa, the volume of water in a single cylinder is more than or equal to 450 liters, the cycle life is more than or equal to 15000 times, the hydrogen storage capacity of the cluster container is more than or equal to 1000 kilograms, the higher nominal working pressure improves the volume-weight ratio, and the cluster container is safe, reliable and long in service life;

2. the front operation cabin 11 and the rear operation cabin 12 are arranged at the front end and the rear end of the box body, the general charging and discharging devices 5 can be respectively arranged on the front operation cabin 11 and the rear operation cabin 12 according to a specific application scene, and when the hydrogen storage container is hoisted and transported, the hydrogen storage container can be conveniently charged and discharged without paying special attention to the orientation;

3. aiming at the characteristic that the aluminum container and the external winding carbon fiber of the III-type hydrogen storage cylinder 21 cannot be directly connected with a fastener for fixing, the two ends of the hydrogen storage cylinder 21 are effectively fixed by designing the cylinder locking device 32 and utilizing the two locking sheets 33 to be matched with the clamping shaft head 22 on the premise of not damaging the hydrogen storage cylinder 21;

4. aiming at the characteristics of large length-diameter ratio of the III-type hydrogen storage cylinder 21 and weak rigidity of the middle section of the cylinder body, the deformation of the hydrogen storage cylinder 21 in the radial direction is limited by designing the cylinder body fixing frame 4, and the contact part of the cylinder body fixing frame 4 and the hydrogen storage cylinder 21 is provided with the protecting sleeve 41 to avoid damaging the hydrogen storage cylinder 21.

Drawings

Fig. 1 is a schematic view of the overall structure of a hydrogen storage container in the first embodiment.

Fig. 2 is a schematic view of the structure of a hydrogen storage cylinder.

Fig. 3 is an enlarged schematic view at a in fig. 1.

Fig. 4 is a schematic view of the structure in the direction B-B in fig. 3.

FIG. 5 is a schematic view showing the structure of an integrated bottle body fixing frame.

Fig. 6 is a structural schematic view of a split type bottle body fixing frame.

FIG. 7 is a schematic layout of the front operation cabin in the first embodiment.

FIG. 8 is a schematic layout of the post-processing chamber in the first embodiment.

Fig. 9 is a schematic structural view of a two-way relief valve.

Fig. 10 is a schematic view of the overall structure of the hydrogen storage container in the second embodiment.

Fig. 11 is an enlarged schematic view at C in fig. 10.

FIG. 12 is a schematic view showing the arrangement of the post-processing cartridge in the second embodiment.

FIG. 13 is a schematic view of the construction of a three-way bleeder valve.

Fig. 14 is a schematic view of the overall structure of the hydrogen storage container in the third embodiment.

Fig. 15 is a schematic view of the overall structure of the hydrogen storage container in the fourth embodiment.

Fig. 16 is an enlarged schematic view at D in fig. 15, and the connection pipe is in the form of a spiral part having its axis perpendicular to the longitudinal direction of the hydrogen storage cylinder.

Fig. 17 is an enlarged schematic view at D in fig. 15, and the connection pipe is in the form of a spiral part having its axis parallel to the longitudinal direction of the hydrogen storage cylinder.

Fig. 18 is a schematic layout view of the middle bin safety relief device in the fourth embodiment.

Fig. 19 is a schematic view of the overall structure of the hydrogen storage container in the fifth embodiment.

Fig. 20 is a schematic view of the overall structure of the hydrogen storage container in the sixth embodiment.

Description of the drawings: 1. the device comprises a box body, 11, a front operation cabin, 12, a rear operation cabin, 13, a middle cabin, 2, a hydrogen storage gas cylinder group, 21, a hydrogen storage gas cylinder, 22, a shaft head, 23, an end plug, 24, a connecting pipe, 25, a cylinder valve, 3, an end plate, 31, a connecting flange, 32, a gas cylinder locking device, 33, a locking sheet, 34, a locking bolt, 4, a bottle body fixing frame, 41, a protecting sleeve, 42, a fixing plate, 43, a fixing hole, 44, a connecting stud, 45, a middle type, 46, an edge type, 47, an arc groove, 5, a universal charging and discharging device, 51, a collecting pipeline, 52, a universal charging and discharging connector, 53, a ring pipe, 54, a main gate, 6, a safety discharging device, 61, a discharging valve, 62, a two-way discharging valve, 63, a three-way discharging valve, 64, a first interface, 65, a second interface, 66, a third interface, 67 and a discharging pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the features and properties of the container for marine and land dual-purpose large capacity hydrogen storage of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Example one

Referring to fig. 1 to 9, a container 1 of a large capacity hydrogen storage container for sea and land use has a size of 20 feet standard container, and a hydrogen storage cylinder group 2 is disposed in the container 1.

The hydrogen storage cylinder group 2 comprises a plurality of III type hydrogen storage cylinders 21 which are parallel to each other and have two aligned ends and nominal working pressure of 50 MPa. The hydrogen storage cylinders 21 may be arranged in a staggered manner or in a matrix manner, and preferably, each hydrogen storage cylinder group 2 includes 16 hydrogen storage cylinders 21 arranged in a 4 × 4 matrix. As shown in FIG. 2, the hydrogen storage cylinder 21 has a cylindrical main body, both ends of which are tapered to form a stub shaft 22, and the end of the stub shaft 22 is provided with an end plug 23, and the end plug 23 is used for connecting various components to be connected with the hydrogen storage cylinder 21.

The box body 1 is provided with two end plates 3, one of which is arranged at a position close to the front end of the box body 1, and the other of which is arranged at a position close to the rear end of the box body 1. The end plate 3 close to the front end of the box body 1 is adjustably connected with the box body 1 through a bolt, and a rubber pad is arranged between the end plate 3 and the box body 1 and used for providing certain elastic allowance; the end plate 3 close to the rear end of the box body 1 is fixedly connected with the box body 1 through welding.

The end plate 3 near the front end of the box body 1 divides a front operation chamber 11 at the front part of the box body 1, and the end plate 3 near the rear end of the box body 1 divides a rear operation chamber 12 at the rear part of the box body 1.

The two end plates 3 are each provided with 16 connecting flanges 31 which correspond to the hydrogen storage cylinders 21 in the hydrogen storage cylinder group 2 one by one and are arranged in a 4 × 4 matrix, as shown in fig. 3, and the connecting flanges 31 are fixed to the end plates 3 by bolts. The connecting flange 31 is provided with a gas cylinder locking device 32 connected with the connecting flange 31 through bolts, as shown in fig. 4, the gas cylinder locking device 32 comprises two semicircular locking pieces 33 and a locking bolt 34, the two locking pieces 33 are connected and encircled on the spindle nose 22 through the locking bolt 34, and the spindle nose 22 is clamped by the pretightening force of the locking bolt 34, so that the spindle nose 22 is fixed on the end plate 3. The two end plates 3 are respectively used for fixing each hydrogen storage cylinder 21 in the hydrogen storage cylinder group 2 from two ends, and fixedly connecting 16 hydrogen storage cylinders 21 in the hydrogen storage cylinder group 2 with the box body 1.

The end plate 3 can be provided with reinforcing ribs according to actual conditions so as to increase stability.

Bottle mount 4 is equipped with between two end plates 3 in the box 1, and bottle mount 4 can set up one or more according to actual need, as preferred, sets up 3 bottle mounts 4, evenly distributed between two end plates 3. The bottle body holder 4 is used to restrict the deformation of the hydrogen storage bottle 21 in the radial direction, and the bottle body holder 4 may be an integral type or a split type according to the actual situation.

As shown in fig. 5, the integral bottle fixing frame 4 includes a fixing plate 42, bolt holes are formed at the edge of the fixing plate 42 for connecting with the case 1, 16 fixing holes 43 are formed in the fixing plate 42 in a 4 × 4 matrix corresponding to the hydrogen storage cylinders 21 in the hydrogen storage cylinder group 2 one by one, and a protecting jacket 41 is formed on the surface of the fixing holes 43 contacting with the body to prevent damage to the outer reinforcing material of the body.

When the hydrogen storage container is assembled by using the integral bottle body fixing frame 4, the end plate 3 which is adjustably connected with the container body 1 through the bolt is firstly detached, and all the bottle body fixing frames 4 are fixed on the container body 1 through the bolts. The hydrogen storage cylinders 21 are inserted into the fixing holes 43 from the side of the box body 1 where the end plate 3 is not installed, all the hydrogen storage cylinders 21 are adjusted to be aligned, and the shaft heads 22 at the corresponding ends of the hydrogen storage cylinders 21 are fixed by using the cylinder locking devices 32 on the end plate 3 which is welded with the box body 1. Then, an end plate 3 adjustably connected with the box body 1 through bolts is installed, the end plate 3 is placed in place, the shaft head 22 at one end corresponding to the hydrogen storage cylinder 21 is fixed through the cylinder locking device 32 on the end plate, and then the end plate 3 is fixed on the box body 1 through the bolts. A hydrogen storage cylinder group 2 is fixed in the box body 1.

As shown in fig. 6, the split type bottle fixing frame 4 includes a split type fixing block and a connecting stud 44, the split type fixing block is divided into a middle type 45 and an edge type 46, the middle type 45 is respectively provided with 4 arc grooves 47 in contact with the body of the hydrogen storage bottle on both sides, the edge type 46 is provided with 4 arc grooves 47 on one side, a protecting sleeve 41 is provided on the surface of the arc grooves 47 in contact with the body, and bolt holes for connecting with the box body 1 are provided at both ends of the split type fixing block. The split fixing blocks are connected in a reinforcing mode through the matching of the connecting studs 44 and nuts, the edge molds 46 are located at the upper end and the lower end when the split fixing blocks are installed, and the middle mold 45 is located between the edge molds 46 at the two ends. The arc grooves 47 on two adjacent split type fixed blocks are matched to limit the radial deformation of the body of the hydrogen storage cylinder 21 between the two split type fixed blocks.

When the split type bottle fixing frame 4 is used for assembling the hydrogen storage container, the end plate 3 which is adjustably connected with the box body 1 through the bolt is firstly detached, the edge type 46 at the lowest end is connected to the box body 1 through the bolt, the 4 hydrogen storage cylinders 21 on the first layer are placed, the middle type 45 is connected to the box body 1 through the bolt, and meanwhile the connection stud 44 and the nut are used for strengthening connection between split type fixing blocks. 4 hydrogen storage cylinders 21 are arranged on the 4 th layer according to the same sequence, the uppermost edge 46 is connected to the box body 1 by bolts, and meanwhile, the connection between the split type fixed blocks is strengthened by using the connecting studs 44 and the nuts. And adjusting all the hydrogen storage cylinders 21 to be aligned, and fixing the shaft heads 22 at the corresponding ends of the hydrogen storage cylinders 21 by using the cylinder locking devices 32 on the end plates 3 which are welded with the box body 1. Then, an end plate 3 adjustably connected with the box body 1 through bolts is installed, the end plate 3 is placed in place, the shaft head 22 at one end corresponding to the hydrogen storage cylinder 21 is fixed through the cylinder locking device 32 on the end plate, and then the end plate 3 is fixed on the box body 1 through the bolts. A hydrogen storage cylinder group 2 is fixed in the box body 1.

As shown in fig. 7, a set of the common inflation and deflation device 5 including a collecting pipe 51, a common inflation and deflation joint 52, a pressure gauge and a thermometer is provided in the front operation cabin 11. The manifold 51 is fixed to the end plate 3. The manifold 51 is split into two ends, each of which is connected to a common fill and drain connector 52 via a manifold valve 54. The confluence line 51 is connected to each hydrogen storage cylinder 21 by connecting a cylinder valve 25 provided at an end plug 23 through a collar 53. The collecting pipeline 51 is connected with a pressure gauge and a thermometer, wherein a pressure gauge valve is arranged between the pressure gauge and the collecting pipeline.

As shown in fig. 8 to 9, a safety relief device 6 is provided in the rear operation cabin 12, and a two-way relief valve 62 is connected to the end plug 23 of each hydrogen storage cylinder 21 in the rear operation cabin 12. The first port 64 of the two-way relief valve 62 is connected to the hydrogen storage cylinder 21 through the end plug 23, and the second port 65 is provided with an anti-arching groove-type rupture disk which can be ruptured and release pressure when the pressure in the cylinder abnormally increases to an alert value. The outlet of the second port 65 is connected to a drain 67, and the other end of the drain 67 opens to the top of the tank 1 to facilitate the escape of hydrogen.

The top of the box body 1 is provided with a lifting hole for lifting, and the bottom of the box body 1 is provided with a fork hole for forklift fork loading. When the hydrogen storage container needs to be transported, the container can be hoisted or loaded and unloaded by a forklift.

When the charging or discharging operation is to be performed, only the cylinder valve 25 of one or the row of hydrogen storage cylinders 21 connected by the connection pipe 24 is opened at the same time, and the remaining cylinder valves 25 are closed. The hydrogen delivery pipe is connected with a universal charging and discharging connector 52, and charging and discharging operations can be carried out under the action of pressure by opening a corresponding main brake 54. After the operation is completed, the main gate 54 is closed, and the hydrogen supply line is disconnected.

When the safety relief device 6 is damaged due to abnormal pressure rise, and pressure relief is started, the cylinder valve 25 of the hydrogen storage cylinder 21 damaged by the safety relief device 6 is closed, and the connection between the cylinder valve and the collecting pipeline 51 is disconnected, so that hydrogen in other normal hydrogen storage cylinders 21 is prevented from overflowing from the damaged safety relief device 6.

Example two

Referring to fig. 10 to 13, unlike the first embodiment, the second embodiment is provided with a safety relief device 6 and a general charging and discharging device 5 identical to the front operation cabin 11 in the rear operation cabin 12.

The end plug 23 of each hydrogen storage cylinder 21 in the rear operating bin 12 is connected with a three-way release valve 63, and a first connector 64 of the three-way release valve 63 is connected with the hydrogen storage cylinder 21 through the end plug 23. The second port 65 is provided with an inverted arch groove type rupture disk which can be ruptured and release pressure when the pressure in the bottle abnormally increases to an alarm value. The outlet of the second port 65 is connected to a drain 67, and the other end of the drain 67 opens to the top of the tank 1 to facilitate the escape of hydrogen. The third port 66 is provided with a cylinder valve 25, and the cylinder valve 25 is connected with the general charging and discharging device 5 in the rear operation cabin 12 through a ring pipe 53.

When the device is used specifically, the hydrogen storage container is provided with the universal charging and discharging devices 5 at the front and the back, so that the hydrogen storage container does not need to pay special attention to the direction of placement in the transferring process, and even if one end is inconvenient to charge and discharge, the other end can be finished at the same time.

EXAMPLE III

Referring to fig. 14, unlike the second embodiment, the third embodiment has a safety relief device 6 and a general charge and discharge device 5 in both the front operation cabin 11 and the rear operation cabin 12, as in the rear operation cabin 12 of the second embodiment.

Two ends of the same hydrogen storage cylinder 21 are respectively provided with one set of safety relief device 6, so that the situation that the pressure is abnormally increased due to insufficient relief amount when a single safety relief device 6 is arranged can be avoided.

Example four

Referring to fig. 15 to 18, unlike the first embodiment, the hydrogen storage container of the fourth embodiment has a size of 40 feet standard container, and two hydrogen storage cylinder groups 2 are disposed in the container 1. The two hydrogen storage cylinder groups 2 are arranged in a straight line along the length direction of the hydrogen storage cylinder 21, and the two hydrogen storage cylinder groups 2 are fixed in the box body 1 by using four end plates 3 in common. The end plate 3 at the foremost end of the box body 1 is divided into a front operation cabin 11 at the front part of the box body 1, the end plate 3 at the rearmost end of the box body 1 is divided into a rear operation cabin 12 at the rear part of the box body 1, and an area between the two end plates 3 in the middle part of the box body 1 is a middle cabin 13.

In this embodiment, the front operation cabin 11 and the rear operation cabin 12 are provided with a set of universal charging and discharging devices 5, as the front operation cabin 11 of the first embodiment. The general charging and discharging device 5 in the front operation cabin 11 is connected with the cylinder valve 25 on the end plug 23 of each hydrogen storage cylinder 21 in the hydrogen storage cylinder group 2 at the front end, and the general charging and discharging device 5 in the rear operation cabin 12 is connected with the cylinder valve 25 on the end plug 23 of each hydrogen storage cylinder 21 in the hydrogen storage cylinder group 2 at the rear end.

The safety relief devices 6 of the two groups of hydrogen storage gas cylinder groups 2 are arranged in the middle bin 13, the end plugs 23 of the hydrogen storage gas cylinders 21 of the two groups of hydrogen storage gas cylinder groups 2, which are positioned at the middle bin, are connected with a three-way relief valve 63, and the first interface 64 of the three-way relief valve 63 is connected with the hydrogen storage gas cylinders 21 through the end plugs 23. The second port 65 is provided with an inverted arch groove type rupture disk which can be ruptured and releases the pressure when the pressure in the bottle abnormally increases to an alarm value. The outlet of the second port 65 is connected to a drain 67, and the other end of the drain 67 opens to the top of the tank 1 to facilitate the escape of hydrogen. The third interfaces 66 of the three-way relief valves 63 on the corresponding hydrogen storage cylinders 21 in the two groups of hydrogen storage cylinder groups 2 are connected through the connecting pipe 24, so as to communicate the corresponding hydrogen storage cylinders 21 in the two groups of hydrogen storage cylinder groups 2.

As shown in fig. 16 to 17, the axial direction of the middle spiral part of the connecting tube 24 may be parallel to the length direction of the hydrogen storage cylinder 21, or may be perpendicular to the length direction of the hydrogen storage cylinder 21.

When in specific use, the hydrogen storage cylinders 21 in the two hydrogen storage cylinder groups 2 are communicated with each other through the universal charging and discharging device 5 arranged in the front operation cabin 11 and the rear operation cabin 12, and the corresponding hydrogen storage cylinders 21 in the two hydrogen storage cylinder groups 2 are connected through the connecting pipe 24, so that all the hydrogen storage cylinders 21 are communicated with each other.

When the operation of charging and discharging is required, the general charging and discharging device 5 on any side of the box body 1 can be operated, and all the hydrogen storage cylinders 21 can be charged and discharged.

When the safety relief device 6 is damaged due to abnormal pressure rise, and pressure relief is started, the cylinder valve 25 of the hydrogen storage cylinder 21 damaged by the safety relief device 6 and the cylinder valve 25 of the hydrogen storage cylinder 21 connected with the safety relief device through the connecting pipe 24 are closed, and the connection between the safety relief device and the collecting pipeline 51 is disconnected, so that hydrogen in the hydrogen storage cylinder 21 in other normal states is prevented from overflowing from the damaged safety relief device 6.

EXAMPLE five

Referring to fig. 19, unlike the fourth embodiment, the fifth embodiment is provided with a second set of safety relief devices 6 for each hydrogen storage cylinder 21 at the front operating bin 11 and the rear operating bin 12, except that each hydrogen storage cylinder 21 is provided with a safety relief device 6 at the middle bin 13.

The end plug 23 of each hydrogen storage cylinder 21 in the front operating bin 11 and the rear operating bin 12 is connected with a three-way release valve 63, and a first interface 64 of the three-way release valve 63 is connected with the hydrogen storage cylinder 21 through the end plug 23. The second port 65 is provided with an inverted band groove type rupture disk which can be ruptured and release pressure when the pressure in the bottle abnormally increases to an alarm value. The outlet of the second port 65 is connected to a drain 67, and the other end of the drain 67 opens to the top of the tank 1 to facilitate the escape of hydrogen. The third interface 66 is provided with a cylinder valve 25, and the cylinder valve 25 is connected with the universal charging and discharging device 5 in the front operation cabin 11 or the rear operation cabin 12 through a ring pipe 53.

Two sets of safety relief devices 6 are arranged at two ends of the same hydrogen storage cylinder 21, so that the situation that the abnormal pressure increase cannot be relieved in time due to insufficient relief of a single safety relief device 6 is avoided.

EXAMPLE six

Referring to fig. 20, different from the fifth embodiment, in the sixth embodiment, the middle bin 13 is not provided with the safety relief device 6, the end plugs 23 of the hydrogen storage cylinders 21 of the two groups of hydrogen storage cylinder groups 2 located at the middle bin 13 are connected with the connecting pipe 24, and the corresponding hydrogen storage cylinders 21 of the two groups of hydrogen storage cylinder groups 2 are connected through the connecting pipe 24.

EXAMPLE seven

According to any of the embodiments described above, a sensor is provided at the end of the bleed line 67 of the safety bleed device 6. Once a safety vent 6 is triggered, releasing hydrogen gas for venting, the sensor at the end of the corresponding vent line 67 is triggered. The sensor is connected with the alarm device through a circuit, and the alarm device can display the specific position of the hydrogen storage cylinder 21 where the triggered safety relief device 6 is located according to preset information and a trigger signal of the sensor, so that an operator can conveniently and timely handle the hydrogen storage cylinder.

It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.

Claims

1. The utility model provides a dual-purpose large capacity hydrogen storage container of land and sea, includes box (1) and establishes hydrogen storage gas cylinder group (2) inside box (1), its characterized in that:

the hydrogen storage cylinder groups (2) are one group or a plurality of groups which are arranged side by side and are communicated with each other, and each group of hydrogen storage cylinder group (2) comprises a plurality of hydrogen storage cylinders (21) which are parallel to each other and of which two ends are aligned;

the hydrogen storage gas cylinder group is characterized in that end plates (3) which are positioned at the front end and the rear end of the hydrogen storage gas cylinder group (2) and play a role in fixing and a cylinder body fixing frame (4) used for limiting radial deformation of each hydrogen storage gas cylinder (21) are arranged in the box body (1), a connecting flange (31) is arranged on the end plate (3) corresponding to the hydrogen storage gas cylinders (21), and a gas cylinder locking device (32) used for clamping the hydrogen storage gas cylinders (21) is arranged on the connecting flange (31);

a front operation bin (11) is formed between the end plate (3) at the foremost end of the box body (1) and the inner wall of the front side of the box body (1), a rear operation bin (12) is formed between the end plate (3) at the rearmost end of the box body (1) and the inner wall of the rear side of the box body (1), a middle bin (13) is formed between the two end plates (3) between the two adjacent groups of hydrogen storage gas bottle groups (2), and at least one set of universal charging and discharging devices (5) are arranged in the front operation bin (11) and the rear operation bin (12);

the hydrogen storage cylinder (21) is also provided with a safety relief device (6).

2. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 1, wherein: the hydrogen storage cylinder (21) is tapered at two tail ends to form a shaft head (22), an end plug (23) is arranged at the tail end of the shaft head (22), and the cylinder locking device (32) fixes the hydrogen storage cylinder (21) through clamping the shaft head (22).

3. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 2, wherein: the gas cylinder locking device (32) comprises two semicircular locking pieces (33) and a locking bolt (34), the two locking pieces (33) are connected through the locking bolt (34) and encircle the shaft head (22), the shaft head (22) is clamped through the pretightening force of the locking bolt (34), the gas cylinder locking device (32) is fixedly connected with the connecting flange (31) through the bolt, and the connecting flange (31) is connected with the end plate (3) through the bolt.

4. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 1, wherein: when the hydrogen storage cylinder groups (2) are multiple groups, the multiple groups of hydrogen storage cylinder groups (2) are arranged along the length direction of the hydrogen storage cylinders (21), and the corresponding hydrogen storage cylinders (21) in the adjacent hydrogen storage cylinder groups (2) are connected through the connecting pipe (24).

5. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 4, wherein: the universal charging and discharging device (5) comprises a collecting pipeline (51) and a universal charging and discharging connector (52) connected with the collecting pipeline (51), the collecting pipeline (51) is connected with each hydrogen storage cylinder (21) in the nearest hydrogen storage cylinder group (2) through a coiled pipe (53), and a main brake (54) is arranged between the universal charging and discharging connector (52) and the collecting pipeline (51).

6. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 5, characterized in that: safety relief device (6) include bleeder valve (61) and bleeder line (67), and every hydrogen gas bottle (21) is equipped with one safety relief device (6) at least, and bleeder valve (61) are established on end plug (23), and bleeder line (67) one end is connected with bleeder valve (61), and the other end accesss to the hydrogen loss of being convenient for at box (1) top.

7. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 6, characterized in that: the discharge valve (61) is a two-way discharge valve (62) or a three-way discharge valve (63), the two-way discharge valve or the three-way discharge valve comprises a first interface (64) and a second interface (65), the first interface (64) is connected with the hydrogen storage cylinder (21) through an end plug (23), the second interface (65) is provided with an anti-arch groove type rupture disc, and the outlet of the second interface is connected with a discharge pipeline (67); the three-way relief valve also comprises a third interface (66), and the third interface (66) is provided with a cylinder valve (25) or is connected with a connecting pipe (24).

8. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 7, wherein: the ring pipe (53) is connected with the hydrogen storage cylinder (21) through a cylinder valve (25) arranged on the end plug (23) or connected with the hydrogen storage cylinder (21) through a cylinder valve (25) arranged on a third connector (66) of the three-way release valve.

9. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 7, wherein: the end of the connecting pipe (24) is connected with the hydrogen storage cylinder (21) through an end plug (23) or connected with the hydrogen storage cylinder (21) through a third interface (66) of a three-way discharge valve.

10. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 1, wherein: the end plates (3) at two ends of each hydrogen storage cylinder group (2), one end plate (3) is fixedly connected with the box body (1), and the other end plate (3) is adjustably and fixedly connected with the box body (1).

11. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 1, wherein: the bottle body fixing frame (4) is positioned between the end plates (3) at the two ends of each hydrogen storage bottle group (2), and one or more bottle body fixing frames (4) are arranged.

12. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 11, wherein: the bottle body fixing frame (4) is adjustably and fixedly connected with the box body (1), and a protecting sleeve (41) is arranged at the contact part of the bottle body fixing frame (4) and the hydrogen storage bottle (21).

13. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 6, characterized in that: and a pressure gauge and a thermometer are arranged on the collecting pipeline (51), and a pressure gauge valve is also arranged between the pressure gauge and the collecting pipeline (51).

14. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 5, characterized in that: the middle parts of the connecting pipe (24) and the ring pipe (53) are provided with spiral parts.

15. A sea-land dual-purpose large capacity hydrogen storage container as claimed in claim 6, characterized in that: the relief valve (61) is a burst relief valve.