Hydrogen storage device and hydrogen storage method

Abstract

The application relates to the technical field of hydrogen storage equipment, in particular to hydrogen storage equipment and a hydrogen storage method, wherein the hydrogen storage equipment comprises a heat exchanger, a tank top cover and a hydrogen storage tank, the hydrogen storage tank is installed above the heat exchanger, the hydrogen storage tank is provided with the tank top cover above, the tank top cover is provided with an exhaust valve, the tank top cover is provided with an air inlet valve at the center, the tank top cover is provided with an adjusting lever on the upper surface, the hydrogen storage tank is provided with a gas feeding assembly at the center, the gas feeding assembly is provided with a gas uniformizing assembly outside, the gas feeding assembly rotates around the fixed support outside through a center rotating drum, the extending ear on the center rotating drum drives the gas feeding frame and a folding frame to fold, the folding frame pushes the gas uniformizing assembly to unfold at the same time, the gas feeding head on the gas feeding frame is connected with the gas uniformizing assembly inside in communication, so that the hydrogen gas is uniformly stored, and the problem of uneven hydrogen storage in the hydrogen storage process of the hydrogen storage equipment is solved.

Description

Technical Field

[0001] This invention relates to the field of hydrogen storage equipment technology, and specifically to a hydrogen storage device and a hydrogen storage method. Background Technology

[0002] Hydrogen storage technology refers to storing hydrogen in a safe, efficient, and economical way for use when needed. Hydrogen is a clean energy source that can be used in applications such as fuel cells and hydrogen fuel engines. Hydrogen storage needs to balance cost and storage efficiency to achieve the rational and efficient use of hydrogen.

[0003] Existing hydrogen storage methods mainly include gaseous hydrogen storage, liquid hydrogen storage, and solid hydrogen storage. Gaseous hydrogen storage involves compressing hydrogen gas, which requires high-strength storage equipment, and compressed hydrogen is prone to leakage or even explosion. Liquid hydrogen storage utilizes low temperatures to liquefy gaseous hydrogen for storage, but this method is costly and requires high insulation and heat preservation performance from the storage equipment. Solid hydrogen storage relies on special solid materials with adsorption capabilities to physically adsorb or chemically absorb gaseous hydrogen, thus achieving solid-state hydrogen storage. This method does not require high-strength storage equipment and can be carried out at normal temperature and pressure.

[0004] However, existing solid-state hydrogen storage devices do not have uniform hydrogen storage and release rates. During hydrogen storage, hydrogen reacts with solid materials and releases heat, while during hydrogen release, the hydrogen storage device needs to be heated. Due to the uneven conduction of reaction temperature and the sequence of hydrogen flow, the hydrogen storage rate in the hydrogen storage device is not good.

[0005] In view of the above, in order to overcome the above technical problems, the present invention designs a hydrogen storage device and a hydrogen storage method, which solves the above technical problems. Summary of the Invention

[0006] The technical objective of this invention is to provide a hydrogen storage device and method. By setting up a multi-layered, stepped gas equalization assembly inside the hydrogen storage tank, the gas inlet and outlet plates inside the gas equalization assembly are unfolded under the pull of the gas delivery assembly, so that the gas outlet and inlet plates of each layer inside the hydrogen storage tank can uniformly store and release hydrogen.

[0007] To achieve the above-mentioned technical objectives, the present invention provides the following technical solution:

[0008] This invention provides a hydrogen storage device, including a heat exchanger and a tank top cover, wherein the heat exchanger is installed on the ground; it also includes a hydrogen storage tank, which is installed above the heat exchanger, and a tank top cover is installed on the top of the tank. The tank top cover is provided with an exhaust main valve and an intake main valve at the center of the tank top cover. An adjustment lever is installed on the upper surface of the tank top cover. An air supply assembly is installed at the center of the interior of the hydrogen storage tank, and an air distribution assembly is installed outside the air supply assembly. The air supply assembly drives the stacked and stepped air distribution assemblies to unfold through a central rotation, and then the air supply frame on the air supply assembly rotates around the rotating shaft and enters the interior of the air distribution assembly through the air supply head.

[0009] The heat exchanger precisely regulates internal temperature exchange within the hydrogen storage tank, and is equipped with both heat dissipation and heating modes. Thermally conductive material is used in the outer shell of the heat exchange chamber between the heat exchanger and the gas distribution assembly, efficiently transferring heat and ensuring uniform temperature distribution within the tank. An exhaust valve prevents gas from flowing out of the tank, while an inlet valve prevents gas backflow.

[0010] The gas delivery assembly includes a central rotating cylinder, a fixed support, a gas delivery frame, a folding frame, and a folding ring. The central rotating cylinder is coaxially mounted inside the hydrogen storage tank. The fixed support is arc-shaped and surrounds the outside of the central rotating cylinder with a gap between them. The fixed support is arranged in multiple stepped layers along the central axis of the central rotating cylinder. An extension lug is installed on the outside of the central rotating cylinder. One end of the gas delivery frame is hinged to the fixed support, and one end of the folding frame is hinged to the other end of the gas delivery frame. The folding ring is installed on the other end of the folding frame, and the folding ring and the folding frame are hinged together on the extension lug. A gas equalization assembly is installed on the outside of each layer of the fixed support. The adjusting lever is connected to the central rotating cylinder, and the upper end of the heat exchanger is connected to the heat exchange chamber inside the fixed support.

[0011] The gas delivery assembly introduces hydrogen into the inlet chamber at the center of the hydrogen storage tank. A spiral blade drives a central rotating cylinder, which in turn drives a folding frame to fold and rotate. The end of the folding frame connected to the gas delivery frame also folds, and the gas delivery frame rotates along with the central rotating cylinder. Multiple central rotating cylinders are stacked vertically to form a stepped structure. A fixed bracket is fixedly installed and hinged to one end of the gas delivery frame. To ensure smooth rotation of the gas delivery frame, a gap is provided between the fixed bracket and the central rotating cylinder. This gap must allow for smooth rotation of both the gas delivery frame and the folding frame, while also considering heat conduction within the gas distribution assembly. If the gap is too large, heat from the gas distribution assembly cannot be effectively transferred to the central rotating cylinder. The central rotating cylinder is made of a thermally conductive material.

[0012] A guide rod is installed at the lower end of the main intake valve. The main intake valve is connected to the guide cavity. A guide vane is provided inside the guide cavity. A guide shell is provided outside the guide cavity. The guide vane is a spiral blade structure and is installed on the inner wall of the guide shell. A guide hole is installed on the inner wall of the guide shell. The guide hole is connected to the air delivery pipe. The outer side of the guide shell is connected to the central rotating cylinder through a support frame.

[0013] The guide rod at the lower end of the main intake valve is a smooth cylindrical rod that guides gas flow. The guide rod is fixedly installed at the bottom of the hydrogen storage tank and the center of the tank's top cover. Guide vanes are installed on the inner wall of the guide shell. The central rotating cylinder is composed of multiple layers, each deflected at a certain angle, with spiral guide vanes arranged from top to bottom. Hydrogen gas drives the spiral guide vanes to rotate, which in turn drives the central rotating cylinder to rotate.

[0014] Both the air supply frame and the folding frame are arc-shaped. An air supply head is installed on the outer arc surface of the air supply frame. The air supply head is connected to an air supply pipe inside the air supply frame. The air supply pipe enters the extension ear through the folding frame and passes through the support frame on the inner wall of the central rotating cylinder to connect with the guide hole. The end of the folding frame with the folding ring is an inwardly contracting arc surface. The height of the outer side of the folding ring does not exceed the height of the inwardly contracting arc surface of the folding frame.

[0015] The air supply frame and folding frame initially surround the outer side of the central rotating cylinder coaxially, with internal pipe holes for the air supply pipe. Considering the rotation and folding motion of the air supply pipe, a curved redundant pipe is provided at the hinge to accommodate rotation and folding. The folding frame is equipped with an inwardly contracting arc-shaped folding ring to prevent interference from its own rotation and folding on the air distribution component. The folding ring expands and contracts the air distribution component via a hook, both hinged to the extension lug. Due to the sufficiently small gap, the rotation of the folding frame causes the folding ring to rotate, resulting in its own lifting and interference with the air distribution component. The interference problem is solved by increasing the gap through the arc-shaped contraction of the folding frame.

[0016] The front end of the folding ring is a double-headed ring structure, and the rear end of the folding ring is a U-shaped connection structure. An unfolding buckle and a retracting buckle are installed on the front end ring structure of the folding ring. The unfolding buckle is in the shape of a barb, and the front end of the retracting buckle has an inclined surface.

[0017] An air intake valve is installed at the closed end of the air intake plate in the air distribution assembly. The inner side of the air intake plate is coaxially mounted on the outer side of the arc-shaped fixed bracket. An air outlet plate is nested inside the open end of the air intake plate. A sliding rail is installed on the inner arc surface of the air outlet plate. The sliding rail is installed inwardly on the inner wall of the air outlet plate, and the thickness of the sliding rail is greater than the thickness of the inner wall of the air outlet plate. Multiple air outlet valves are arranged in a linear array on the air outlet plate.

[0018] The intake plate is where hydrogen enters and reacts. Hydrogen enters the intake chamber of the intake plate, and because the outlet plate unfolds clockwise beforehand, it creates sufficient reaction space with the interior of the intake plate. The hydrogen reacts with the internal solid material, and the released heat is transferred through the heat-conducting strip and then through the heat dissipation groove. The sliding rail on the inner side of the outlet plate contacts the unfolding and retracting buckles at the front end of the folding ring, and thus contacts the limiting block. The outlet valve on the outlet plate is a one-way top valve, which opens to release gas when the internal pressure reaches a preset threshold. Multiple outlet valves ensure rapid hydrogen release.

[0019] The closed end of the intake plate has a minor arc shape. The intake valve on the intake plate corresponds to the gas delivery head on the gas delivery frame, and the outer arc surface of the gas delivery frame is in contact with the arc surface of the closed end of the intake plate. The intake plate is in contact with the gas delivery frame, and the gas delivery head on the gas delivery frame is inserted into the intake valve of the top valve structure on the intake plate. Hydrogen gas will only be introduced into the intake plate through the gas delivery head when the gas delivery frame is rotated to the minor arc end of the intake plate and is in close contact with it. The intake plate is equipped with multiple heat-conducting strips, and heat-conducting strips are also installed in the main reaction area. The heat-conducting strips exchange heat fully with the interior of the intake plate, and the heat-conducting strips are evenly distributed in a corrugated shape on the intake plate.

[0020] The exhaust plate is similar in shape to the intake plate. One end of the exhaust plate is a hollow exhaust cavity, and the other end is a solid heat dissipation plate. An exhaust valve is installed on the heat dissipation plate, and a sliding rail is installed on the inner side of the heat dissipation plate. A limit block is installed in the sliding rail. Both the heat dissipation plate and the exhaust cavity have heat dissipation grooves corresponding to the heat conduction strips on the intake plate.

[0021] The air intake plate has an internal air intake chamber, and multiple heat-conducting strips are installed on both its upper and lower inner walls. These heat-conducting strips are arranged in a staggered, corrugated pattern. The raised shape of the heat-conducting strips guides and slides the air outlet plate inside the air intake plate, and the staggered arrangement ensures that heat on the air intake plate can be evenly transferred. The nested heat dissipation grooves and heat-conducting strips allow for better heat exchange between the heat dissipation plate and the air intake plate, further improving the heat exchange performance of the gas distribution component, and thus making the hydrogen reaction inside the air intake plate more rapid.

[0022] A hydrogen storage method includes the following steps:

[0023] S1: The staff first connects the hydrogen pipeline to the main inlet valve and starts to introduce hydrogen. The hydrogen flows through the spiral guide vanes, which will drive the central rotating drum to rotate clockwise. At the same time, the adjusting lever follows the rotation of the central rotating drum. Then the staff waits for the adjusting lever to rotate to the limit position.

[0024] S2: After the adjustment lever is rotated to the limit position, the gas delivery head on the gas delivery frame is inserted into the gas inlet valve on the gas inlet plate. Hydrogen gas is introduced into the gas inlet plate through the gas delivery valve. The hydrogen gas reacts with the solid material in the gas inlet plate and the gas outlet plate, releasing heat. The staff opens the heat exchanger to dissipate heat from the hydrogen storage tank.

[0025] S3: After the staff observes that the heat exchanger's heat dissipation temperature shows a downward trend, it means that the hydrogen reaction in the intake plate is weakening and the hydrogen is fully filled. The staff then disconnects the main intake valve from the hydrogen pipeline and closes the main intake valve to prevent gas leakage.

[0026] S4: Wait for the hydrogen to fully react with the solid material in the outlet plate. After the heat exchanger temperature returns to normal, the operator moves the adjustment lever back until it can no longer be moved, and then closes the main inlet valve and the heat exchanger.

[0027] The beneficial effects of this invention are as follows:

[0028] 1. The present invention provides a gas delivery component and a gas equalization component inside the hydrogen storage tank. The gas delivery component rotates around the fixed support on the outside via a central rotating cylinder. The extended lug on the central rotating cylinder drives the gas delivery frame and the folding frame to fold. The folding frame pushes the gas equalization component to unfold, while the gas delivery head on the gas delivery frame is connected to the inside of the gas equalization component, thereby achieving uniform storage of hydrogen.

[0029] 2. The present invention installs a folding ring on the folding frame. The folding ring deflects as the folding frame rotates, and the barb shape of the unfolding buckle on the folding ring deflects, thereby limiting the unfolding of the air distribution component and ensuring that the unfolding angle of the air distribution component is reasonable and does not exceed the limit.

[0030] 3. This invention connects the heat exchanger to the heat exchange chamber at the center of the hydrogen storage tank. The heat exchange chamber runs from bottom to top through the entire central rotating cylinder. The heat generated or required by the reaction in the gas distribution component outside the central rotating cylinder flows through the heat exchange chamber, thereby improving the heat exchange efficiency between the heat exchanger and the hydrogen storage tank. Attached Figure Description

[0031] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0032] The above and other aspects of the invention will now be described by way of example only, with reference to the accompanying drawings, in which:

[0033] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0035] Figure 3 This is an internal schematic diagram of the gas equalization component and the gas delivery component of the present invention;

[0036] Figure 4 This is the present invention. Figure 3 A sectional view at point AA;

[0037] Figure 5 This is a schematic diagram of the initial state of the air delivery component and the air equalization component of the present invention;

[0038] Figure 6 This is the present invention. Figure 5 A plan view;

[0039] Figure 7 This is a schematic diagram of the inflation state of the air supply component and the air distribution component of the present invention;

[0040] Figure 8 This is a schematic diagram of the air supply component and the air distribution component of the present invention in the air release state;

[0041] Figure 9 This is a schematic diagram of the folding ring of the present invention;

[0042] Figure 10 This is a schematic diagram of the interior of the central rotating cylinder of the present invention;

[0043] Figure 11 This is a schematic diagram of the air intake disc of the present invention;

[0044] Figure 12 This is a schematic diagram of the air outlet plate of the present invention;

[0045] Figure 13 This is a flowchart of a hydrogen storage method according to the present invention.

[0046] In the diagram: 1. Heat exchanger; 11. Heat exchange chamber; 2. Hydrogen storage tank; 21. Gas delivery assembly; 211. Central rotating cylinder; 2111. Extension lug; 212. Fixing bracket; 213. Gas delivery frame; 2131. Gas delivery head; 2132. Gas delivery pipe; 214. Folding frame; 215. Folding ring; 2151. Unfolding buckle; 2152. Retracting buckle; 22. Gas equalization assembly; 221. Inlet plate; 2211. Inlet valve; 2212. Inlet chamber 2213, Heat-conducting strip; 222, Air outlet plate; 2221, Air outlet valve; 2222, Heat dissipation plate; 2223, Air outlet chamber; 2224, Heat dissipation groove; 223, Sliding rail; 224, Limiting block; 3, Tank top cover; 31, Main air inlet valve; 311, Guide rod; 312, Guide chamber; 313, Guide vane; 314, Guide shell; 315, Guide hole; 316, Support frame; 32, Adjusting lever; 33, Main exhaust valve. Detailed Implementation

[0047] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0048] like Figures 1 to 12 As shown, the present invention provides a hydrogen storage device, including a heat exchanger 1 and a tank top cover 3, wherein the heat exchanger 1 is installed on the ground; it also includes a hydrogen storage tank 2, which is installed above the heat exchanger 1, and a tank top cover 3 is installed on the top of the hydrogen storage tank 2. An exhaust main valve 33 is provided on the tank top cover 3, and an intake main valve 31 is provided at the center of the tank top cover 3. An adjustment lever 32 is installed on the upper surface of the tank top cover 3. An air supply assembly 21 is installed at the center of the interior of the hydrogen storage tank 2, and an air equalization assembly 22 is installed on the outside of the air supply assembly 21. The air supply assembly 21 drives the stacked and stepped air equalization assembly 22 to unfold by rotating the center of the air supply assembly 21. Then, the air supply frame 213 on the air supply assembly 21 rotates around the rotating shaft and enters the interior of the air equalization assembly 22 through the air supply head 2131.

[0049] Heat exchanger 1 regulates the temperature inside hydrogen storage tank 2. Heat exchanger 1 has a heat dissipation mode and a heating mode. Specifically, heat exchanger 1 uses a fan for heat dissipation and high-temperature steam for heating in the heating mode. Therefore, the temperature needs to be accurately transferred to the gas distribution component 22. Thus, the outer shell of the heat exchange chamber 11, which connects the gas distribution component 22 and the heat exchanger 1, is made of a thermally conductive material. The interior of the gas distribution component 22 is mostly made of copper to achieve good heat conduction. The exhaust valve 33 on the top cover 3 of the tank is a one-way valve for gas to flow from the inside to the outside, thus preventing external impurities from entering the hydrogen storage tank 2 through the exhaust valve 33. The inlet valve 31 is a one-way valve for gas to flow from the outside to the inside. When gas is introduced into the hydrogen storage tank 2, the inlet valve 31 of the one-way valve can effectively prevent gas backflow.

[0050] like Figures 1 to 8 As shown, the gas delivery assembly 21 includes a central rotating cylinder 211, a fixed bracket 212, a gas delivery frame 213, a folding frame 214, and a folding ring 215. The central rotating cylinder 211 is coaxially mounted inside the hydrogen storage tank 2. The fixed bracket 212 is arc-shaped and surrounds the outside of the central rotating cylinder 211 with a gap between them. The fixed bracket 212 is arranged in multiple stepped layers along the central axis of the central rotating cylinder 211. An extension lug 2111 is installed on the outside of the central rotating cylinder 211. One end of the air supply frame 213 is hinged to the fixed support 212, one end of the folding frame 214 is hinged to the other end of the air supply frame 213, the folding ring 215 is installed on the other end of the folding frame 214, and the folding ring 215 and the folding frame 214 are hinged together on the extension ear 2111; a gas equalization component 22 is installed on the outside of each layer of the fixed support 212; the adjusting lever 32 is connected to the central rotating cylinder 211, and the upper end of the heat exchanger 1 is connected to the heat exchange chamber 11 inside the fixed support 212.

[0051] The gas delivery assembly 21 mainly utilizes hydrogen gas introduced into the gas inlet chamber 2212 at the center of the hydrogen storage tank 2. The hydrogen gas drives the central rotating cylinder 211 to rotate via spiral blades. The central rotating cylinder 211 then drives the folding frame 214 to fold and rotate via the extension lug 2111. One end of the folding frame 214 connected to the gas delivery frame 213 folds, and the gas delivery frame 213 rotates along with the central rotating cylinder 211. After multiple central rotating cylinders are uniformly deflected at a certain angle, they are stacked and pieced together in a stepped shape. Due to the fixed support 21... 2. One end of the air delivery frame 213 is fixedly installed and hinged. In order to ensure that the air delivery frame 213 can rotate smoothly along the hinge point, a gap is provided between the fixed bracket 212 and the central rotating cylinder 211. This gap ensures that the air delivery frame 213 and the folding frame 214 rotate smoothly, while also taking into account the heat conduction of the air distribution component 22. When the gap is large, the heat in the air distribution component 22 cannot be well transferred to the central rotating cylinder 211. It is worth noting that the central rotating cylinder 211 is made of a heat-conducting material.

[0052] like Figure 4 and Figure 10 As shown, a guide rod 311 is installed at the lower end of the main intake valve 31. The main intake valve 31 is connected to the guide cavity 312. A guide vane 313 is provided inside the guide cavity 312. A guide shell 314 is provided outside the guide cavity 312. The guide vane 313 is a spiral blade structure and is installed on the inner wall of the guide shell 314. A guide hole 315 is installed on the inner wall of the guide shell 314. The guide hole 315 is connected to the air delivery pipe 2132. The outer side of the guide shell 314 is connected to the central rotating cylinder 211 through a support frame 316.

[0053] The guide rod 311 at the lower end of the main intake valve 31 is a smooth cylindrical rod that guides the flow of gas. Both the upper and lower ends of the guide rod 311 are fixedly installed at the bottom of the hydrogen storage tank 2 and the center of the tank top cover 3. The guide vanes 313 are installed on the inner wall of the guide shell 314. Since the central rotating cylinder 211 is composed of multiple layers, each layer of the central rotating cylinder 211 is deflected at a certain angle. Consequently, the spiral guide vanes 313 will also be deflected from top to bottom. The spiral guide vanes 313 will drive the central rotating cylinder 211 to rotate under the influence of hydrogen.

[0054] like Figures 5 to 8As shown, both the air supply frame 213 and the folding frame 214 are arc-shaped. An air supply head 2131 is installed on the outer arc surface of the air supply frame 213. An air supply pipe 2132 is connected to the air supply head 2131 inside the air supply frame 213. The air supply pipe 2132 enters the extension ear 2111 through the folding frame 214 and passes through the support frame 316 on the inner wall of the central rotating cylinder 211 to connect with the guide hole 315. One end of the folding frame 214 with the folding ring 215 is an inwardly contracting arc surface. The height of the outer side of the folding ring 215 does not exceed the height of the inwardly contracting arc surface of the folding frame 214.

[0055] The air supply frame 213 and the folding frame 214 are initially coaxially arranged around the outside of the central rotating cylinder 211. The air supply frame 213 and the folding frame 214 have internal pipe holes for the air supply pipe 2132. Considering that the air supply pipe 2132 will undergo a combined rotation and folding motion with the air supply frame 213 and the folding frame 214, a curved redundant section of the air supply pipe 2132 is provided at the hinge connection between the air supply frame 213 and the folding frame 214 to accommodate their rotation. The inwardly contracting arc surface of the folding frame 214, where the folding ring 215 is installed, effectively prevents the folding frame 214 from rotating and coming into contact with the air distribution component 22. Regarding the interference of folding and rotation with the gas equalization component 22, specifically, the folding ring 215 on the folding frame 214 unfolds and retracts the gas equalization component 22 via a hook. The folding ring 215 and the folding frame 214 are hinged together on the extension ear 2111. Since the gap between the gas equalization component 22 and the folding frame 214 is small enough, the rotation of the folding frame 214 itself causes the folding ring 215 to rotate, which deflects the hook on the folding ring 215. This causes the folding frame 214 to lift and fold itself, interfering with the gas equalization component 22. By performing arc-shaped contraction treatment at one end of the folding frame 214, the distance between the folding frame 214 and the gas equalization component 22 is increased, thus solving the interference problem.

[0056] like Figure 9 As shown, the front end of the folding ring 215 is a double-headed ring structure, and the rear end of the folding ring 215 is a U-shaped connection structure. An unfolding buckle 2151 and a shrinking buckle 2152 are installed on the front end ring structure of the folding ring 215. The unfolding buckle 2151 is a barb shape, and the front end of the shrinking buckle 2152 has an inclined surface.

[0057] The buckle structure of the folding ring 215 consists of an unfolding buckle 2151 and a retracting buckle 2152. The hook-shaped unfolding buckle 2151 will deflect as the folding ring 215 rotates. The hook-shaped structure of the unfolding buckle 2151 will gradually disengage from the locking block on the air equalization component 22. The retracting buckle 2152 will not contact the air equalization component 22 when the folding frame 214 rotates counterclockwise. Since the unfolding buckle 2151 is still in a deflected disengaged state, it will not contact the air equalization component 22. The retracting buckle 2152 will gradually return to the center and contact the locking block on the air equalization component 22. Since the retracting buckle 2152 is dynamically deflected and moved, the force surface will change when the retracting buckle 2152 contacts the air equalization component 22. Therefore, an inclined surface is provided at the end of the unfolding buckle 2151 that contacts the air equalization component 22. First, the inclined surface of the unfolding buckle 2151 contacts the air equalization component 22 and then slowly changes, thereby achieving a smooth compression and pushback of the air equalization component 22.

[0058] like Figure 11 and Figure 12 As shown, an intake valve 2211 is installed at the closed end of the intake plate 221 in the air distribution component 22. The inner side of the intake plate 221 is coaxially installed on the outer side of the arc-shaped fixed bracket 212. An exhaust plate 222 is nested inside the open end of the intake plate 221. A sliding rail 223 is installed on the inner arc surface of the exhaust plate 222. The sliding rail 223 is installed inwardly in the inner wall of the exhaust plate 222, and the thickness of the sliding rail 223 is greater than the thickness of the inner wall of the exhaust plate 222. Multiple exhaust valves 2221 are arranged in a linear array on the exhaust plate 222.

[0059] The interior of the intake plate 221 is the space where hydrogen enters and reacts. Hydrogen enters the intake chamber 2212 inside the intake plate 221. Due to the pre-rotation clockwise expansion of the exhaust plate 222, there is sufficient space for the exhaust plate 222 and the interior of the intake plate 221 to react. The hydrogen reacts with the solid material inside the exhaust plate 222 and the intake plate 221. The heat released during this process is transferred through the heat-conducting strip 2213 on the intake plate 221, and further transferred through the heat dissipation grooves 2224 on the exhaust plate 222. The inner sliding rail 223 is a component that contacts the unfolding buckle 2151 and the retracting buckle 2152 at the front end of the folding ring 215. The unfolding buckle 2151 and the retracting buckle 2152 will also slide within the sliding rail 223, thereby contacting the limiting block 224 within the sliding rail 223. The vent valve 2221 on the vent plate 222 is a one-way top valve. Once the gas pressure inside the vent plate 222 reaches the preset pressure threshold of the vent valve 2221, the vent valve 2221 will open and perform a venting operation. Multiple vent valves 2221 ensure the rapid release of hydrogen.

[0060] like Figure 11As shown, the closed end of the air intake plate 221 is of inferior arc shape, the air intake valve 2211 on the air intake plate 221 corresponds to the air delivery head 2131 on the air delivery frame 213, and the outer arc surface of the air delivery frame 213 is in contact with the arc surface of the closed end of the air intake plate 221.

[0061] The intake plate 221 contacts the gas delivery frame 213. The gas delivery head 2131 on the gas delivery frame 213 is inserted into the intake valve 2211 on the intake plate 221. The intake valve 2211 here is a top valve structure. The gas delivery head 2131 opens the valve of the intake valve 2211 and fills it with gas. Therefore, hydrogen will only be filled into the intake plate 221 through the gas delivery head 2131 when the gas delivery frame 213 rotates to the inferior arc end of the intake plate 221 and is in close contact with it.

[0062] like Figure 11 and Figure 12 As shown, the air intake plate 221 has an air intake chamber 2212 inside, and multiple heat-conducting strips 2213 are installed on the upper and lower inner walls of the air intake plate 221. The multiple heat-conducting strips 2213 on the upper and lower inner walls are arranged in an alternating pattern and are all arranged in a corrugated shape.

[0063] To ensure good heat exchange performance of the internal reaction of the intake disc 221, multiple heat-conducting strips 2213 are installed in the main reaction area of ​​the intake disc 221. The heat-conducting strips 2213 fully exchange heat with the inside of the intake disc 221. The heat-conducting strips 2213 are evenly distributed in a corrugated shape on the intake disc 221. While conducting heat, the raised shape of the heat-conducting strips 2213 guides and slides the exhaust disc 222 inside the intake disc 221. The staggered arrangement of the heat-conducting strips 2213 ensures that the heat on the intake disc 221 can be evenly transferred by the heat-conducting strips 2213.

[0064] like Figure 12 As shown, the shape of the air outlet plate 222 is similar to that of the air inlet plate 221. One end of the air outlet plate 222 is a hollow air outlet cavity 2223, and the other end is a solid heat dissipation plate 2222. An air outlet valve 2221 is installed on the heat dissipation plate 2222, and a sliding rail 223 is installed on the inner side of the heat dissipation plate 2222. A limit block 224 is installed in the sliding rail 223. Both the heat dissipation plate 2222 and the air outlet cavity 2223 have heat dissipation grooves 2224 corresponding to the heat conduction strips 2213 on the air inlet plate 221.

[0065] The interlocking of the heat sink 2224 and the heat-conducting strip 2213 allows the heat sink 2222 to better exchange heat with the air intake plate 221, further improving the heat exchange performance of the air distribution component 22. This, in turn, makes the hydrogen reaction inside the air intake plate 221 more rapid. Whether it is the exothermic reaction caused by the absorption of hydrogen in the gas-filled state or the endothermic reaction of hydrogen produced by the heat absorption and release of hydrides in the degassing state, the air intake plate 221 can quickly conduct heat.

[0066] like Figure 13 As shown, a hydrogen storage method includes the following steps:

[0067] S1: The staff first connects the hydrogen pipeline to the main inlet valve 31 and starts to introduce hydrogen. The hydrogen flows through the spiral guide vane 313, which will drive the central rotating drum 211 to rotate clockwise. At the same time, the adjusting lever 32 follows the rotation of the central rotating drum 211. Then the staff waits for the adjusting lever 32 to rotate to the limit position.

[0068] S2: After the adjustment lever 32 is rotated to the limit position, the gas delivery head 2131 on the gas delivery frame 213 is inserted into the gas inlet valve 2211 on the gas inlet plate 221. Hydrogen is introduced into the gas inlet plate 221 through the gas delivery valve. The hydrogen reacts with the solid material in the gas inlet plate 221 and the gas outlet plate 222, releasing heat. The staff opens the heat exchanger 1 to dissipate heat from the hydrogen storage tank 2.

[0069] S3: After the staff observes that the heat exchanger 1's heat dissipation temperature shows a downward trend, it means that the hydrogen reaction in the intake plate 221 has weakened and the hydrogen filling is complete. The staff disconnects the main intake valve 31 from the hydrogen pipeline and closes the main intake valve 31 to prevent gas leakage.

[0070] S4: Wait for the hydrogen to fully react with the solid material in the outlet plate 222. After the temperature of heat exchanger 1 returns to normal, the operator moves the adjustment lever 32 back until the adjustment lever 32 can no longer be moved, and then closes the main inlet valve 31 and heat exchanger 1.

[0071] The invention operates in two states: inflation and deflation. In the inflation state, the operator first rotates the adjusting lever 32 counterclockwise to its limit position. Then, the operator connects the hydrogen pipeline to the main inlet valve 31 on the top cover 3 of the tank. The hydrogen enters the guide chamber 312 through the main inlet valve 31. The hydrogen flows downward along the guide chamber 312 and compresses the guide vane 313. The guide vane 313 rotates clockwise under the compression of the hydrogen. The guide vane 313 then drives the guide shell 314 to rotate clockwise around the guide rod 311. The rotation of the guide shell 314 drives the central rotating cylinder 211 to rotate in the same direction through the support frame 316. The extension ear 2111 on the central rotating cylinder 211 drives one end of the folding frame 214 to rotate. The other end of the folding frame 214 folds and rotates relative to the gas delivery frame 213. The adjusting lever 32 also rotates clockwise with the central rotating cylinder 211.

[0072] When the folding frame 214 rotates, the folding ring 215 on its inner side will also rotate. The unfolding buckle 2151 at the front end of the folding ring 215 rotates clockwise and contacts the limiting block 224 inside the sliding rail 223 on the air outlet plate 222. Then, the unfolding buckle 2151 will drive the air outlet plate 222 to rotate through the limiting block 224 and slide out of the internal air inlet chamber 2212 of the air inlet plate 221. As the folding frame 214 rotates, the folding ring 215 will rotate along the rotating hinge. At this time, after the unfolding buckle 2151 rotates to the position where it is disengaged from the limiting block 224, the air outlet plate 222 stops rotating.

[0073] The gas delivery frame 213 then moves closer to the air inlet plate 221 on the gas distribution assembly 22. The gas delivery head 2131 on the gas delivery frame 213 is inserted into the air inlet valve 2211 on the air inlet plate 221. At this time, the gas delivery head 2131 is connected, and the hydrogen in the guide cavity 312 enters the air inlet plate 221 through the guide hole 315 and the gas delivery head 2131 at the end of the gas delivery pipe 2132. The hydrogen reacts with the solid material in the air inlet plate 221 and is adsorbed. The gas outlet plate 222 and the air inlet plate 221 are in the deployed state. At this time, the inside of the air inlet plate 221... The intake chamber 2212 reacts fully with hydrogen, resulting in a more uniform hydrogen storage reaction. As the reaction proceeds, a large amount of heat is generated in the intake chamber 2212. The heat is transferred through the heat conduction strip 2213 to the heat dissipation groove 2224 on the outlet plate 222, and then fills the inside of the hydrogen storage tank 2. At this time, the heat exchange chamber 11 inside the central rotating cylinder 211 is connected to the heat exchanger 1. The heat exchanger 1 is activated to dissipate heat from the inside of the heat exchange chamber 11, and a large amount of heat inside the hydrogen storage tank 2 is discharged through the heat exchange chamber 11.

[0074] After inflation is complete, the staff disconnects the hydrogen pipeline and closes the main inlet valve 31, and rotates the adjusting lever 32 counterclockwise so that the central rotating cylinder 211 drives the gas delivery head 2131 on the gas delivery frame 213 to disengage from the inlet valve 2211.

[0075] In the venting state, the staff first turns on the heat exchanger 1 to heat the heat exchange chamber 11. At this time, the solid hydride begins to release hydrogen at high temperature. The hydrogen released by the solid hydride is discharged through the vent valve 2221 in the vent chamber 2223. The staff opens the exhaust valve 33 on the top cover 3 of the tank to release the hydrogen. After the hydrogen is released, the staff turns the adjusting lever 32 counterclockwise to the limit position. The folding frame 214 and the gas supply frame 213 unfold and surround the outside of the central rotating cylinder 211.

[0076] The description herein is provided to enable those skilled in the art to implement or use the present disclosure. Various modifications to the present disclosure will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other variations without departing from the scope of the disclosure. Therefore, this disclosure is not limited to the examples and designs described herein, but should be given the broadest scope consistent with the novel features and principles disclosed herein.

Claims

1. A hydrogen storage device, comprising a heat exchanger (1) and a tank top cover (3), wherein the heat exchanger (1) is installed on the ground; characterized in that: It also includes a hydrogen storage tank (2), which is installed above the heat exchanger (1). A tank top cover (3) is installed on the top of the hydrogen storage tank (2). An exhaust valve (33) is provided on the tank top cover (3). An inlet valve (31) is provided at the center of the tank top cover (3). An adjustment lever (32) is installed on the upper surface of the tank top cover (3). A gas delivery assembly (21) is installed at the center inside the hydrogen storage tank (2). A gas equalization assembly (22) is installed on the outside of the gas delivery assembly (21). The gas delivery assembly (21) drives the stacked and stepped gas equalization assembly (22) to unfold through the central rotation. Then, the gas delivery frame (213) on the gas delivery assembly (21) rotates around the rotating shaft and enters the gas equalization assembly (22) through the gas delivery head (2131). The gas delivery assembly (21) includes a central rotating cylinder (211), a fixed bracket (212), a gas delivery frame (213), a folding frame (214), and a folding ring (215). The central rotating cylinder (211) is coaxially mounted on the inner side of the hydrogen storage tank (2). The fixed bracket (212) is arc-shaped and is mounted around the outer side of the central rotating cylinder (211) with a gap between them. The fixed bracket (212) is arranged in multiple stepped layers along the central axis of the central rotating cylinder (211). An extension ear (2111) is installed on the outer side of the central rotating cylinder (211). The gas delivery frame ( 213) One end is hinged to the fixed bracket (212), one end of the folding frame (214) is hinged to the other end of the air supply frame (213), the folding ring (215) is installed on the other end of the folding frame (214), and the folding ring (215) and the folding frame (214) are hinged together on the extension ear (2111); a gas equalization component (22) is installed on the outside of each layer of the fixed bracket (212); the adjusting lever (32) is connected to the central rotating cylinder (211), and the upper end of the heat exchanger (1) is connected to the heat exchange chamber (11) inside the fixed bracket (212); A guide rod (311) is installed at the lower end of the main intake valve (31). The main intake valve (31) is connected to the guide cavity (312). A guide vane (313) is provided inside the guide cavity (312). A guide shell (314) is provided outside the guide cavity (312). The guide vane (313) is a spiral blade structure and is installed on the inner wall of the guide shell (314). A guide hole (315) is installed on the inner wall of the guide shell (314). The guide hole (315) is connected to the air delivery pipe (2132). The outer side of the guide shell (314) is connected to the central rotating cylinder (211) through a support frame (316).

2. The hydrogen storage device according to claim 1, characterized in that: Both the air supply frame (213) and the folding frame (214) are arc-shaped. An air supply head (2131) is installed on the outer arc surface of the air supply frame (213). The air supply head (2131) is connected to an air supply pipe (2132) inside the air supply frame (213). The air supply pipe (2132) enters the extension ear (2111) through the folding frame (214) and passes through the support frame (316) on the inner wall of the central rotating cylinder (211) to connect with the guide hole (315). One end of the folding frame (214) with the folding ring (215) is an inwardly contracting arc surface. The height of the outer side of the folding ring (215) does not exceed the height of the inwardly contracting arc surface of the folding frame (214).

3. The hydrogen storage device according to claim 1, characterized in that: The front end of the folding ring (215) is a double-headed ring structure, and the rear end of the folding ring (215) is a U-shaped connection structure. An unfolding buckle (2151) and a shrinking buckle (2152) are installed on the front end ring structure of the folding ring (215). The unfolding buckle (2151) is a barb shape, and the front end of the shrinking buckle (2152) has an inclined surface.

4. A hydrogen storage device according to claim 1, characterized in that: An air intake valve (2211) is installed at the closed end of the air intake plate (221) in the air distribution component (22). The inner side of the air intake plate (221) is coaxially installed on the outer side of the arc-shaped fixed bracket (212). An air outlet plate (222) is nested inside the open end of the air intake plate (221). A sliding rail (223) is installed on the inner arc surface of the air outlet plate (222). The sliding rail (223) is installed inward in the inner wall of the air outlet plate (222), and the thickness of the sliding rail (223) is greater than the thickness of the inner wall of the air outlet plate (222). Multiple air outlet valves (2221) are arranged in a linear array on the air outlet plate (222).

5. A hydrogen storage device according to claim 4, characterized in that: The closed end of the air intake plate (221) is of inferior arc shape. The air intake valve (2211) on the air intake plate (221) corresponds to the air delivery head (2131) on the air delivery frame (213). The outer arc surface of the air delivery frame (213) is in contact with the arc surface of the closed end of the air intake plate (221).

6. A hydrogen storage device according to claim 5, characterized in that: The air intake plate (221) has an air intake chamber (2212) inside, and multiple heat-conducting strips (2213) are installed on the upper and lower inner walls of the air intake plate (221). The multiple heat-conducting strips (2213) on the upper and lower inner walls are arranged in an alternating pattern and are all arranged in a corrugated shape.

7. A hydrogen storage device according to claim 6, characterized in that: The shape of the air outlet plate (222) is similar to that of the air inlet plate (221). One end of the air outlet plate (222) is a hollow air outlet cavity (2223) and the other end is a solid heat sink plate (2222). An air outlet valve (2221) is installed on the heat sink plate (2222). A sliding rail (223) is installed on the inner side of the heat sink plate (2222). A limit block (224) is installed in the sliding rail (223). Heat sink grooves (2224) corresponding to the heat conduction strips (2213) on the air inlet plate (221) are opened on both the heat sink plate (2222) and the air outlet cavity (2223).

8. A method for storing hydrogen, characterized in that: Including a hydrogen storage device as described in any one of claims 1 to 7, Includes the following steps: S1: The operator first connects the hydrogen pipeline to the main inlet valve (31) and starts to introduce hydrogen. The hydrogen flow through the spiral guide vane (313) will drive the central rotating drum (211) to rotate clockwise. At the same time, the adjusting lever (32) follows the rotation of the central rotating drum (211). Then the operator waits for the adjusting lever (32) to rotate to the limit position. S2: After the adjusting lever (32) rotates to the limit position, the gas delivery head (2131) on the gas delivery frame (213) is inserted into the gas delivery valve (2211) on the gas delivery plate (221). The hydrogen is introduced into the gas delivery plate (221) through the gas delivery valve. The hydrogen and the solid material in the gas delivery plate (221) and the gas delivery plate (222) are then introduced into the gas delivery plate (221). The reaction of the material is exothermic, and the staff opens the heat exchanger (1) to dissipate heat from the hydrogen storage tank (2); S3: After the staff observes that the heat dissipation temperature of the heat exchanger (1) shows a downward trend, it means that the hydrogen reaction in the inlet plate (221) is weakened and the hydrogen is filled. The staff disconnects the connection between the main inlet valve (31) and the hydrogen pipeline and closes the main inlet valve (31) to prevent gas leakage; S4: After waiting for the hydrogen to fully react with the solid material in the outlet plate (222) and the temperature of the heat exchanger (1) to return to normal temperature, the staff moves the adjustment lever (32) back until the adjustment lever (32) can no longer be moved, and then closes the main inlet valve (31) and the heat exchanger (1).

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