Energy storage tank made of composite hydrogen storage material
By installing an exhaust assembly in the energy storage tank made of composite hydrogen storage material, and utilizing the combination of operating ports, three-way pipes, valves and pressure gauges, the problems of low hydrogen purity and low hydrogen filling efficiency during the hydrogen filling process are solved, achieving high hydrogen purity and high hydrogen filling efficiency.
Patent Information
- Application Number
- CN202520525048.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-25
AI Technical Summary
In the energy storage tank made of composite hydrogen storage material, the existing technology at the connection between the external hydrogen filling equipment pipeline joint and the tank body during the hydrogen filling process has the following technical problems: the hydrogen purity is not high and the hydrogen filling efficiency is low.
By setting up an exhaust assembly, including an operating port, a three-way pipe, a first valve, a second valve, a connecting pipe, and a pressure gauge, the exhaust assembly, through the coordinated use of the control valves and the pressure gauge, removes residual air from the pipeline, ensuring hydrogen purity and hydrogen filling efficiency.
This technology effectively removes residual air from the pipeline during the hydrogen filling process, improving hydrogen purity and filling efficiency while avoiding hydrogen waste and safety hazards.
Smart Images

Figure CN223709327U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solid hydrogen storage technical field, concretely is a kind of energy storage tank of composite hydrogen storage material. BACKGROUND
[0002] The energy storage tank of composite hydrogen storage material is a kind of efficient hydrogen storage solution using the advantage of solid hydrogen storage material.The water circulation system is arranged in the storage tank, using the characteristics that hydrogen storage alloy can absorb hydrogen, to realize the high-density storage of hydrogen under low pressure condition, heat exchange is needed during use, and the heat exchange medium is usually water, cold water is introduced during hydrogen charging process, and hot water is introduced during hydrogen discharging process.
[0003] When hydrogen charging operation is carried out on the inside of the tank body, residual air exists at the joint of the external hydrogen charging equipment pipeline and the tank body hydrogen charging pipeline, which can cause the purity of hydrogen charged into the tank body to be affected, and the hydrogen charging efficiency is also affected.Therefore, an energy storage tank of composite hydrogen storage material is needed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an energy storage tank of composite hydrogen storage material to solve the problems raised in the above background technology.To solve the above technical problems, the utility model is realized by the following technical scheme:
[0005] The utility model is an energy storage tank of composite hydrogen storage material, which comprises:
[0006] The storage tank comprises a tank body and a hydrogen charging pipe, and the hydrogen charging pipe is fixed inside the tank body.
[0007] The exhaust assembly comprises an operating port, a tee pipe, a first valve and a second valve, the operating port is arranged on the upper end of the side edge of the tank body, one end of the tee pipe is fixed on the hydrogen charging pipe, the first valve is fixed on the side edge of one end close to the hydrogen charging pipe, and the second valve is fixed on one end of the side edge outlet of the tee pipe.
[0008] Further, the exhaust assembly further comprises a connecting pipe and a pressure gauge, the connecting pipe is fixed on one end of the side edge outlet of the tee pipe, and the pressure gauge is fixed in the middle section of the connecting pipe.
[0009] Further, the exhaust assembly further comprises a supporting rod, and the lower end of the supporting rod is fixed at the operating port.
[0010] Further, the exhaust assembly further comprises a groove, and the groove is arranged on the upper end of the supporting rod, and the lower surface of the connecting pipe is clamped in the groove.
[0011] Further, the storage tank further comprises a hydrogen charging and discharging joint, and the hydrogen charging and discharging joint is fixed on the other end outlet opposite to the first valve of the tee pipe.
[0012] Further, the storage tank is internally provided with a circulating water tank, a circulating water pipe and a solid hydrogen storage bin, the circulating water pipe is connected with the circulating water tank, and the solid hydrogen storage bin is connected with a hydrogen filling pipe.
[0013] Further, the storage assembly further comprises a hose and a third valve, one end of the hose is sleeved with the other end of the screw joint, and the other end is sleeved with the gas inlet pipe of the gas storage barrel.
[0014] Further, the storage assembly further comprises a hose and a third valve, one end of the hose is sleeved with the other end of the screw joint, and the other end is sleeved with the gas inlet pipe of the gas storage barrel.
[0015] The utility model has the following beneficial effects:
[0016] The utility model discloses a gas exhaust assembly, which is arranged on a hydrogen storage tank, and comprises a support rod, a three-way pipe, a first valve, a second valve, a connecting pipe and a pressure gauge. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced to the drawings needed to be used for the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without the creative labor.
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 It is the enlarged view of A in the utility model;
[0020] Figure 3 It is the exhaust assembly structure schematic diagram of the utility model;
[0021] Figure 4 It is the exhaust assembly structure schematic diagram of the utility model; Figure 3 It is the enlarged view of B in the utility model.
[0022] In the drawings, the component list represented by each sign is as follows:
[0023] 10, tank body; 11, hydrogen filling and discharging joint; 12, hydrogen filling pipe; 20, operation port; 21, tee pipe; 22, first valve; 23, second valve; 24, connecting pipe; 25, pressure gauge; 26, supporting rod; 27, groove; 30, screw joint; 31, hose; 32, gas storage barrel; 33, third valve. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0025] To make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the drawings.
[0026] Please refer to Figures 1-4 The present application is an energy storage tank of composite hydrogen storage material, which comprises:
[0027] The storage tank comprises a tank body 10 and a hydrogen filling pipe 12, and the hydrogen filling pipe 12 is fixed inside the tank body 10; a hydrogen filling and discharging joint 11 is fixed on the other end outlet of the tee pipe 21 opposite to the first valve 22;
[0028] A circulating water tank, a circulating water pipe and a solid hydrogen storage bin are installed inside the storage tank, the circulating water pipe is connected with the circulating water tank, and the solid hydrogen storage bin is connected with the hydrogen filling pipe 12.
[0029] The tank body 10 plays a supporting and protecting role, is used for storing hydrogen storage alloy and hydrogen, and is simultaneously provided with corresponding pipelines and a water tank; the hydrogen filling and discharging joint 11 is used for connecting external hydrogen filling equipment and the hydrogen filling pipe 12, and the hydrogen filling pipe 12 is used for filling and discharging hydrogen.
[0030] The exhaust assembly comprises an operation port 20, a tee pipe 21, a first valve 22 and a second valve 23, the operation port 20 is arranged on the upper end of the side edge of the tank body 10, one end outlet of the tee pipe 21 is fixed on the hydrogen filling pipe 12, the first valve 22 is fixed on the side edge of one end close to the hydrogen filling pipe 12, and the second valve 23 is fixed on one end of the side edge outlet of the tee pipe 21; a connecting pipe 24 and a pressure gauge 25, the connecting pipe 24 is fixed on one end of the side edge outlet of the tee pipe 21, and the pressure gauge 25 is fixed in the middle section of the connecting pipe 24; a supporting rod 26, the lower end of the supporting rod 26 is fixed at the operation port 20; a groove 27, the groove 27 is arranged on the upper end of the supporting rod 26, and the lower surface of the connecting pipe 24 is clamped in the groove 27;
[0031] Operation port 20 is used to open and close first valve 22 and second valve 23, three-way pipe 21 is used to connect, first valve 22 and second valve 23 are used to control the opening and closing of the pipeline, connecting pipe 24 is used to connect, the air discharge condition can be known by observing pressure gauge 25, support rod 26 is used to support, and groove 27 is used to limit.
[0032] Working principle:
[0033] When inflating tank 10, connect the pipeline joint of external inflation equipment to hydrogen charging and discharging joint 11, close first valve 22 and open second valve 23 by operating operation port 20, open the external inflation equipment, hydrogen enters three-way pipe 21 from hydrogen charging and discharging joint 11, and is discharged from the outlet on the side of second valve 23 of three-way pipe 21 through connecting pipe 24 on support rod 26, pressure gauge 25 changes, when the pressure value is stable at a relatively high value, it can be considered that the air in the pipeline has been basically discharged, then close second valve 23 and open first valve 22, hydrogen enters hydrogen charging pipe 12 through three-way pipe 21, and finally is charged into the hydrogen storage bin.
[0034] This step can discharge the residual air in the pipeline, and ensure the inflation quality and efficiency.
[0035] Please refer to Figures 3-4 The embodiment shown is based on the above embodiment, and further includes:
[0036] A storage assembly includes screw joint 30 and gas storage bucket 32, one end of screw joint 30 is screwed to the outlet end of connecting pipe 24, and gas storage bucket 32 is connected to the other end of screw joint 30; hose 31 and third valve 33, one end of hose 31 is sleeved to the other end of screw joint 30, and the other end is sleeved to the air inlet pipe of gas storage bucket 32.
[0037] Screw joint 30 and hose 31 are used to connect, and are used to connect connecting pipe 24 and gas storage bucket 32, gas storage bucket 32 is used to store the discharged air and part of hydrogen, and third valve 33 is used to open and close screw joint 30.
[0038] Working principle:
[0039] Screw joint 30 is rotated and connected to connecting pipe 24, first valve 22 is closed, second valve 23 and third valve 33 are opened, when the air and part of hydrogen pass through connecting pipe 24 and enter gas storage bucket 32 through hose 31, the value of pressure gauge 25 is stable at a relatively high value, second valve 23 and third valve 33 are closed, and first valve 22 is opened.
[0040] This step can avoid the waste of excessive discharged hydrogen entering the external air, and can avoid the safety hazard caused by the waste of excessive discharged hydrogen entering the external air.
[0041] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. An energy storage tank made of composite hydrogen storage material, characterized in that, include: The storage tank includes a tank body (10) and a hydrogen filling pipe (12), the hydrogen filling pipe (12) being fixed inside the tank body (10); The exhaust assembly includes an operating port (20), a three-way pipe (21), a first valve (22), and a second valve (23). The operating port (20) is located on the upper side of the tank body (10). One end of the outlet of the three-way pipe (21) is fixed to the hydrogen charging pipe (12). The first valve (22) is fixed on the side near the hydrogen charging pipe (12). The second valve (23) is fixed on the outlet of the three-way pipe (21).
2. The energy storage tank of the composite hydrogen storage material according to claim 1, characterized in that: The exhaust assembly also includes a connecting pipe (24) and a pressure gauge (25). The connecting pipe (24) is fixed to one end of the side outlet of the three-way pipe (21), and the pressure gauge (25) is fixed to the middle section of the connecting pipe (24).
3. The energy storage tank of the composite hydrogen storage material according to claim 1, characterized in that: The exhaust assembly also includes a support rod (26), the lower end of which is fixed at the operating port (20).
4. An energy storage tank made of composite hydrogen storage material according to claim 3, characterized in that: The exhaust assembly also includes a groove (27), which is formed on the upper end of the support rod (26), and the lower surface of the connecting pipe (24) is engaged in the groove (27).
5. An energy storage tank made of composite hydrogen storage material according to claim 1, characterized in that: The storage tank also includes a hydrogen filling and discharging connector (11), which is fixed to the outlet of the other end opposite to the first valve (22) of the three-way pipe (21).
6. An energy storage tank made of composite hydrogen storage material according to claim 1, characterized in that: The storage tank is equipped with a circulating water tank, a circulating water pipe and a solid hydrogen storage chamber. The circulating water pipe is connected to the circulating water tank and the solid hydrogen storage chamber is connected to the hydrogen filling pipe (12).
7. An energy storage tank made of composite hydrogen storage material according to claim 2, characterized in that: It also includes a storage component, which includes a screw connector (30) and an air tank (32). One end of the screw connector (30) is screwed to the outlet end of the connecting pipe (24), and the air tank (32) is connected to the other end of the screw connector (30).
8. An energy storage tank made of composite hydrogen storage material according to claim 7, characterized in that: The storage assembly also includes a hose (31) and a third valve (33), one end of the hose (31) being fitted onto the other end of the screw connector (30), and the other end being fitted onto the air inlet pipe of the gas storage tank (32).