Low-temperature storage tank for low-temperature storage hydrogen refueling station

By employing a multi-tank and rotating disk structure in the cryogenic storage tank, the problem of temperature changes in the storage medium during liquid inflow and outflow is solved, achieving a more efficient cryogenic storage effect.

CN223755178UActive Publication Date: 2026-01-02HEBEI GUOJI HYDROGEN ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520478915.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-02
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing cryogenic storage tanks are prone to affecting the temperature of the stored medium during liquid inflow and outflow, resulting in poor storage performance.

Method used

A cryogenic storage tank was designed, which adopts a structure of multiple inner tanks and a rotating disk. The inner tanks are connected by insulated liquid chambers. The rotation of the inner tanks and the connection of the inlet and outlet pipes are realized by a rotation adjustment mechanism to reduce the impact of temperature changes.

Benefits of technology

The multi-tank rotating structure reduces temperature changes in the storage medium during liquid inflow and outflow, thus improving the low-temperature storage effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of low-temperature storage tanks, in particular to a low-temperature storage tank for a low-temperature storage hydrogen refueling station, which comprises an outer tank, heat-insulating sealing plates are fixedly mounted on two sides inside the outer tank, a heat-insulating liquid chamber is formed between the two heat-insulating sealing plates and the inner wall of the outer tank, and an equipment chamber is formed by the heat-insulating sealing plates and the inner end of the outer tank. A storage set sleeve is arranged between the two heat insulation sealing plates and comprises a plurality of inner tanks with the two ends penetrating through each other, rotating discs are fixedly mounted at the two ends of the inner tanks, the two rotating discs are rotationally connected with the heat insulation sealing plates on the respective sides in a sealed mode, and a rotation adjusting mechanism for driving the rotating discs to adjust the angle is arranged in the equipment chamber. According to the low-temperature storage tank, the influence on the temperature of a storage medium during liquid feeding and discharging is conveniently reduced, and the low-temperature storage effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to low temperature storage tank technical field, concretely for a kind of low temperature storage tank for low temperature storage hydrogenation station. BACKGROUND

[0002] Low temperature storage tank is used for storing liquid oxygen, nitrogen, argon, carbon dioxide and other media vertical or horizontal double-layer vacuum heat insulation storage tank, low temperature storage hydrogenation station will use low temperature storage tank to store liquid hydrogen, the existing low temperature storage tank is usually constituted by inner tank and outer tank, filled with heat insulation material in the middle, inner tank is used to store medium, but, due to the bulk of storage medium, in the process of charging and discharging, the storage medium in inner tank is easy to exchange heat with external connection, so that the temperature of storage medium stored in inner tank changes, for this reason, design a kind of low temperature storage tank for low temperature storage hydrogenation station, which is convenient to reduce the temperature influence on storage medium when entering and exiting liquid, improve low temperature storage effect. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of low temperature storage tank for low temperature storage hydrogenation station, it is convenient to reduce the temperature influence on storage medium when entering and exiting liquid, improve low temperature storage effect.

[0005] (II) technical scheme

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of low temperature storage tank for low temperature storage hydrogenation station, including outer tank, the inside both sides of outer tank are fixedly installed with heat insulation sealing plate, the position between two heat insulation sealing plates and outer tank inner wall forms heat insulation liquid chamber, the heat insulation sealing plate and outer tank inside end form equipment room, storage group is set between two heat insulation sealing plates, the storage group includes multiple two ends through the inner tank, the both ends of multiple inner tank are fixedly installed with rotary disc, and two rotary discs are all sealed with the heat insulation sealing plate of respective side rotationally connected, rotary adjusting mechanism that drives rotary disc angle adjustment is provided in the equipment room, multiple groups of inner tank are circumferentially spaced apart between two rotary discs, two heat insulation liquid chambers are all symmetrically provided with the inlet and outlet pipe that projects outer tank, and the end of two inlet and outlet pipes towards inside is all accessible with the same group of inner tank left and right through, heat insulation liquid is filled in heat insulation liquid chamber.

[0007] Preferably, the top of heat insulation liquid chamber is fixedly installed with heat insulation liquid filling pipe, and valve is installed on heat insulation liquid filling pipe and inlet and outlet pipe.

[0008] Preferably, the rotation adjusting mechanism comprises a gear disc and a gear wheel arranged in the equipment chamber, both of the rotation discs are rotationally connected with the heat insulation sealing plates through rotation shafts, the gear disc is fixedly connected with the rotation shaft, the gear wheel is rotationally connected on one side of the gear disc and is engaged with the gear disc, and the driving member is arranged to drive the gear wheel to rotate.

[0009] Preferably, the driving member comprises a driving motor, a driving shaft penetrating through the outer tank is fixedly installed on the gear wheel, and the driving motor is fixedly installed outside the outer tank and is fixedly connected with the driving shaft.

[0010] Preferably, support frames are fixedly installed on both sides of the outer tank.

[0011] (Three) beneficial effects

[0012] Compared with the prior art, the low-temperature storage tank for the low-temperature storage hydrogenation station has the following beneficial effects:

[0013] The low-temperature storage tank for the low-temperature storage hydrogenation station has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the whole part of the utility model;

[0015] Fig. 2 It is a structure schematic view of the whole part of the utility model;

[0016] Fig. 3 It is a structure schematic view of the whole part of the utility model;

[0017] Markings in the drawings: 1, outer tank; 2, heat insulation sealing plate; 3, heat insulation liquid chamber; 4, equipment chamber; 5, rotation disc; 6, inner tank; 7, inlet and outlet pipe; 8, gear disc; 9, driving shaft; 10, gear wheel; 11, driving motor; 12, valve; 13, heat insulation liquid filling pipe; 14, support frame. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0019] Embodiment:

[0020] Please refer to Figs. 1-3 The low-temperature storage tank for the low-temperature storage hydrogenation station comprises an outer tank 1, heat insulation sealing plates 2 are fixedly installed on both sides of the inner part of the outer tank 1, heat insulation liquid chambers 3 are formed between the two heat insulation sealing plates 2 and the inner walls of the outer tank 1, equipment rooms 4 are formed between the heat insulation sealing plates 2 and the inner end parts of the outer tank 1, storage sets are arranged between the two heat insulation sealing plates 2, the storage sets comprise a plurality of inner tanks 6 with through holes at both ends, rotating discs 5 are fixedly installed at both ends of the plurality of inner tanks 6, and the two rotating discs 5 are sealingly and rotatably connected with the heat insulation sealing plates 2 on the respective sides, rotating adjusting mechanisms for driving the rotating discs 5 to adjust the angles are arranged in the equipment rooms 4, a plurality of groups of inner tanks 6 are circumferentially and interval ly arranged between the two rotating discs 5, inlet and outlet pipes 7 extending out of the outer tank 1 are symmetrically arranged in the two heat insulation liquid chambers 3, and the inward ends of the two inlet and outlet pipes 7 are both in communication with the same group of inner tanks 6, heat insulation liquid is filled in the heat insulation liquid chambers 3, further, the middle parts of the plurality of inner tanks 6 are outwardly protruded, the storage capacity is further increased, the filling effect is not affected, and in use, the pressurizing equipment of the inlet and outlet pipes 7 needs to be additionally matched to facilitate the inlet and outlet of the storage medium liquid.

[0021] Specifically, heat insulation liquid filling pipes 13 are fixedly installed at the top of the heat insulation liquid chambers 3, and valves 12 are installed on the heat insulation liquid filling pipes 13 and the inlet and outlet pipes 7, the heat insulation liquid filling pipes 13 facilitate the filling of heat insulation liquid into the heat insulation liquid chambers 3, and the valves 12 facilitate the cut-off operation.

[0022] Specifically, the rotating adjusting mechanisms comprise a toothed disc 8 arranged in the equipment room 4 and a gear 10, the two rotating discs 5 are rotatably connected with the heat insulation sealing plates 2 through shafts, the toothed disc 8 is fixedly connected with the shaft, the gear 10 is rotatably connected on one side of the toothed disc 8 and is engaged with the toothed disc 8, and the rotating adjusting mechanisms further comprise a driving member for driving the gear 10 to rotate, the driving member facilitates the rotation of the gear 10, the gear 10 is engaged with the toothed disc 8, thereby driving the toothed disc 8 to rotate, so that the rotating discs 5 can be driven to rotate, thereby driving the plurality of inner tanks 6 to rotate as a whole, facilitating the intermittent communication of the plurality of inner tanks 6 with the inlet and outlet pipes 7 in sequence, and further facilitating the communication of the plurality of inner tanks 6 with the inlet and outlet pipes 7, thereby avoiding the leakage of the storage medium liquid.

[0023] Specifically, the driving member comprises a driving motor 11, a driving shaft 9 penetrating the outer tank 1 is fixedly installed on the gear 10, the driving motor 11 is fixedly installed outside the outer tank 1, and the output shaft of the driving motor 11 is fixedly connected with the driving shaft 9. The driving motor 11 is started to rotate the output shaft of the driving motor 11, thereby driving the driving shaft 9 to rotate, and further driving the gear disc 8 to rotate.

[0024] Specifically, the outer tank 1 is fixedly installed with support frames 14 on both sides, and the two groups of support frames 14 facilitate supporting the outer tank 1.

[0025] It should be noted that the terms "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments", etc. in the specification mean that the described embodiment can include a particular feature, structure or characteristic, but not necessarily every embodiment. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when a particular feature, structure or characteristic is described in connection with an embodiment, it is within the knowledge of those skilled in the art to implement such a feature, structure or characteristic in connection with other embodiments, whether explicitly described or not.

[0026] It should be readily understood that "on", "above" and "over" in the present disclosure should be interpreted in the broadest way, so that "on" not only means "directly on", but also includes the meaning of "on" with intermediate features or layers therebetween, and "above" or "over" not only includes the meaning of "above" or "over", but also includes the meaning of "above" or "over" without intermediate features or layers therebetween (i.e. directly on).

[0027] In addition, spatial relative terms can be used herein for ease of description, such as "below", "under", "below", "above", "over", etc., to describe the relationship of one element or feature to another element or feature as shown in the drawings. The spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation shown in the drawings. The device can have other orientations (rotated 90 degrees or in other orientations), and the spatial relative terms used herein can also be interpreted accordingly.

[0028] It should be noted that, in the present document, relational terms such as "first" and "second", and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0029] Finally, it should be noted that the above-described embodiments are merely intended for describing and illustrating, not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some or all of the technical features; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments.

Claims

1. A cryogenic storage tank for a cryogenic hydrogen refueling station, characterized in that: The system includes an outer tank (1), on both sides of the inner interior of which heat-insulating sealing plates (2) are fixedly installed. The position between the two heat-insulating sealing plates (2) and the inner wall of the outer tank (1) forms a heat-insulating liquid chamber (3). The heat-insulating sealing plates (2) and the inner end of the outer tank (1) form an equipment chamber (4). A storage assembly is provided between the two heat-insulating sealing plates (2). The storage assembly includes multiple inner tanks (6) with both ends connected. Rotary discs (5) are fixedly installed at both ends of the multiple inner tanks (6). Each of the rotating disks (5) is rotatably connected to the heat insulation sealing plate (2) on its respective side. The equipment chamber (4) is equipped with a rotation adjustment mechanism for driving the angle adjustment of the rotating disks (5). Multiple sets of inner tanks (6) are circumferentially spaced between the two rotating disks (5). Each of the two heat insulation liquid chambers (3) is symmetrically equipped with inlet and outlet pipes (7) extending out of the outer tank (1). The inward end of each of the two inlet and outlet pipes (7) can be connected to the same set of inner tanks (6) from left to right. The heat insulation liquid chambers (3) are filled with heat insulation liquid.

2. The cryogenic storage tank for a cryogenic hydrogen refueling station according to claim 1, characterized in that: A heat insulation liquid filling pipe (13) is fixedly installed on the top of the heat insulation liquid chamber (3), and valves (12) are installed on both the heat insulation liquid filling pipe (13) and the inlet and outlet pipes (7).

3. The cryogenic storage tank for a cryogenic hydrogen refueling station according to claim 2, characterized in that: The rotary adjustment mechanism includes a gear disk (8) and a gear (10) disposed in the equipment chamber (4). Both of the rotating disks (5) are rotatably connected to the heat insulation sealing plate (2) through a rotating shaft. The gear disk (8) is fixedly connected to the rotating shaft. The gear (10) is rotatably connected to one side of the gear disk (8) and meshes with the gear disk (8). It also includes a drive component for driving the gear (10) to rotate.

4. The cryogenic storage tank for a cryogenic hydrogen refueling station according to claim 3, characterized in that: The driving component includes a drive motor (11), and a drive shaft (9) that seals and penetrates the outer tank (1) is fixedly mounted on the gear (10). The drive motor (11) is fixedly mounted on the outside of the outer tank (1), and the output shaft of the drive motor (11) is fixedly connected to the drive shaft (9).

5. The cryogenic storage tank for a cryogenic hydrogen refueling station according to claim 4, characterized in that: Support frames (14) are fixedly installed on both sides of the outer tank (1).