CN213712660U - Low-pressure bottle group gas supply system - Google Patents
Low-pressure bottle group gas supply system Download PDFInfo
- Publication number
- CN213712660U CN213712660U CN202022454293.4U CN202022454293U CN213712660U CN 213712660 U CN213712660 U CN 213712660U CN 202022454293 U CN202022454293 U CN 202022454293U CN 213712660 U CN213712660 U CN 213712660U
- Authority
- CN
- China
- Prior art keywords
- path
- gas
- hydrogen
- compressor
- hydrogen supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application relates to the technical field of hydrogenation stations, in particular to a low-pressure bottle group gas supply system which comprises a filling path and a hydrogen supply path, wherein a gas inlet end of the filling path is used for being connected with hydrogen supply equipment, and a gas outlet end of the filling path is used for being connected with a gas storage bottle group; the filling path is provided with a first control valve, the gas inlet end of the hydrogen supply path is connected to the partial path of the filling path located at the downstream of the first control valve along the conveying direction of the hydrogen gas, and the gas outlet end of the hydrogen supply path is used for connecting hydrogen utilization equipment; a first compressor is arranged on an upstream path of the filling path at the intersection point of the filling path and the hydrogen supply path, and a second control valve and a second compressor are sequentially arranged in the hydrogen supply path along the conveying direction of the hydrogen gas. The low-pressure bottle group gas supply system realizes reasonable arrangement of gas charging flow when hydrogen production equipment exists in the hydrogenation station, meets the actual requirement, realizes easy switching and complementation of two paths and improves the hydrogenation efficiency.
Description
Technical Field
The application relates to the technical field of hydrogenation stations, in particular to a low-pressure bottle group gas supply system.
Background
The existing hydrogenation station supplies gas through a long-tube trailer, then the hydrogen enters a compressor for pressurization, then enters a gas storage cylinder group for storage, and finally hydrogenates the vehicle through a hydrogenation machine.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a low-pressure cylinder group gas supply system, which solves the technical problem that how to reasonably arrange the gas charging flow becomes urgent to solve if a hydrogen production device exists in a hydrogen charging station in the prior art to a certain extent.
The application provides a low pressure bottle group gas supply system includes: the gas storage device comprises a filling path and a hydrogen supply path, wherein the gas inlet end of the filling path is used for connecting hydrogen supply equipment, and the gas outlet end of the filling path is used for connecting a gas storage bottle group;
the charging path is provided with a first control valve, the gas inlet end of the hydrogen supply path is connected to the partial path of the charging path located at the downstream of the first control valve along the conveying direction of the hydrogen gas, and the gas outlet end of the hydrogen supply path is used for connecting a hydrogen using device;
and a first compressor is arranged on an upstream path of the filling path at the intersection point of the filling path and the hydrogen supply path, and a second control valve and a second compressor are sequentially arranged in the hydrogen supply path along the conveying direction of the hydrogen gas.
In the above technical solution, further, an upstream path of the charging path located at an intersection with the hydrogen supply path is provided with a first check valve.
In any of the above technical solutions, further, a downstream path of the charging path located at an intersection point with the hydrogen supply path is provided with a first pressure transmitter.
In any of the above technical solutions, further, a first gas detector is disposed on a path of the filling path between the first pressure transmitter and the gas cylinder group.
In any of the above technical solutions, further, a second pressure transmitter is disposed on a path of the hydrogen supply path between the second compressor and the hydrogen using device.
In any one of the above technical solutions, further, a second gas detector is provided in a path of the hydrogen supply path between the second compressor and the hydrogen using apparatus.
In any of the above technical solutions, further, the low pressure cylinder group gas supply system includes a control device, and the control device is respectively in communication connection with the first control valve, the second control valve, the first pressure transmitter, the second pressure transmitter, the first gas detector, the second gas detector, the first compressor and the second compressor.
In any one of the above technical solutions, further, the hydrogen supply path is provided with a second check valve.
In any of the above technical solutions, further, the first control valve is a pneumatic ball valve.
In any of the above technical solutions, further, the second control valve is a pneumatic ball valve.
Compared with the prior art, the beneficial effect of this application is:
the application provides a low pressure bottle group gas supply system, has realized when hydrogen plant exists in the hydrogenation station, and the reasonable arrangement is aerifyd the flow, accords with actual need, has realized light switching and complementation of two kinds of routes moreover, has improved hydrogenation efficiency.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a low-pressure cylinder group air supply system according to an embodiment of the present application.
Reference numerals:
1-a charging path, 11-a first compressor, 12-a first control valve, 13-a first check valve, 14-a first pressure transmitter, 2-a hydrogen supply path, 21-a second control valve, 22-a second check valve, 23-a second compressor, 3-a hydrogen supply device, 4-a low pressure cylinder group, 41-a needle valve, 5-a hydrogen consumption device.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
A low pressure cylinder group air supply system according to some embodiments of the present application is described below with reference to fig. 1.
Referring to fig. 1, an embodiment of the present application provides a low pressure cylinder group gas supply system, including: a charging path 1 and a hydrogen supply path 2, wherein an inlet end of the charging path 1 is used for connecting a hydrogen supply device 3, an outlet end of the charging path 1 is used for connecting a gas storage cylinder group, and it is noted that the pressure of the gas storage cylinder group is generally 20MPa, and is often referred to as a low pressure cylinder group 4, which will be described as an example later, and the low pressure cylinder group 4 is also provided with a needle valve 41;
the charging path 1 is provided with a first control valve 12, the gas inlet end of the hydrogen supply path 2 is connected with the partial path of the charging path 1 positioned at the downstream of the first control valve 12 along the conveying direction of the hydrogen gas, and the gas outlet end of the hydrogen supply path 2 is used for connecting the hydrogen using device 5;
an upstream path of the charging path 1 at the intersection with the hydrogen supply path 2 is provided with a first compressor 11, and a second control valve 21 and a second compressor 23 are provided in the hydrogen supply path 2 in this order along the conveying direction of the hydrogen gas.
When there is hydrogen supply equipment 3 at the system front end, just need not to provide the hydrogen source with the long tube trailer, and utilize hydrogen supply equipment 3 to provide hydrogen for subsequent equipment, can accomplish and fill low pressure bottle group 4, low pressure bottle group 4 provides the air supply for subsequent equipment, or hydrogen supply equipment 3 directly provides the air supply for second compressor 23, and specific work flow is as follows:
and (3) filling process of the low-pressure bottle group 4: the first control valve 12 is controlled to be in an open state and the second control valve 21 is controlled to be in a closed state, so that the low pressure cylinder group 4 can be directly filled.
After the filling is completed, the first control valve 12 is closed, the first compressor 11 enters a self-circulation state, after a certain time of self-circulation, the first compressor 11 stops running, and when the air source needs to be provided for the subsequent hydrogen equipment 5, the second control valve 21 is opened, and the low-pressure cylinder group 4 provides the air source for the second compressor 23.
When the pressure of the low-pressure cylinder group 4 is lower than a set value, determining the operation state of the first compressor 11, if the first compressor 11 is in a self-circulation state, adjusting the first compressor 11 to a pressurization state, if the first compressor 11 is in a stop state, starting the first compressor 11, after the first compressor 11 stably operates, opening the first control valve 12, compressing hydrogen gas by the hydrogen supply device 3 through the first compressor 11, after pressurization, directly providing a hydrogen gas source for the second compressor 23, and further performing hydrogenation operation on the hydrogen using device 5, and it is noted that since the second compressor 23 has a gas suction process at this time, the gas will flow in a direction with low pressure, the hydrogen using device 5 at the downstream is preferentially subjected to hydrogenation operation, and at this time, the low-pressure cylinder group 4 cannot be charged with gas.
From the above description, the low-pressure bottle group gas supply system realizes reasonable arrangement of gas charging flow when hydrogen production equipment exists in the hydrogenation station, meets the actual requirement, realizes easy switching and complementation of two paths, and improves the hydrogenation efficiency.
Wherein, the first compressor 11 can be a low-pressure compressor, and the exhaust pressure is 20-22 MPa; the discharge pressure of the second compressor 23 was 45 MPa.
Wherein the first control valve 12 is preferably a pneumatic ball valve.
Wherein the second control valve 21 is preferably a pneumatic ball valve.
The pneumatic ball valve has the following advantages: the pneumatic ball valve is fast in opening and closing speed, various accessories such as an electromagnetic valve, an air source processing triplet, a limit switch, a positioner, a control box and the like can be generally configured on the pneumatic ball valve, local control and remote centralized control are achieved, the valve can be controlled to be opened and closed in a control room, manual control is not needed to be carried out when the pneumatic ball valve is moved to the site or high altitude and dangerous places, human resources and time are saved to a great extent, and safety is improved.
In this embodiment, preferably, as shown in fig. 1, an upstream path of the charging path 1, which is located at the intersection with the hydrogen supply path 2, is provided with a first check valve 13.
As can be seen from the above-described structure, the first check valve 13 mainly functions to ensure a unidirectional flow of hydrogen gas in the charging path 1.
In this embodiment, preferably, as shown in fig. 1, a downstream path of the charging path 1, which is located at the intersection with the hydrogen supply path 2, is provided with a first pressure transmitter 14.
As can be seen from the above-described structure, the first pressure transmitter 14 is used to detect the pressure of the low pressure cylinder group 4, and specifically, the filling process of the low pressure cylinder group 4 is as follows: the first control valve 12 is controlled to be in an open state and the second control valve 21 is controlled to be in a closed state, so that the low pressure cylinder group 4 can be directly filled.
The first pressure transmitter 14 detects the pressure of the low pressure cylinder group 4, if the pressure reaches a set value, the first control valve 12 is closed, the first compressor 11 enters a self-circulation state, after the self-circulation state lasts for a certain time, the first compressor 11 stops running, when the air source needs to be provided for the subsequent hydrogen equipment 5, the second control valve 21 is opened, and the low pressure cylinder group 4 provides the air source for the second compressor 23.
The pressure transmitter detects the pressure of the low-pressure cylinder group 4, when the pressure of the low-pressure cylinder group 4 is lower than a set value, the running state of the first compressor 11 is determined, if the first compressor 11 is in a self-circulation state, the first compressor 11 is adjusted to a pressurization state, if the first compressor 11 is in a stop state, the first compressor 11 is started, after the first compressor 11 runs stably, the first control valve 12 is opened, hydrogen is compressed by the hydrogen supply device 3 through the first compressor 11, and after pressurization, a hydrogen gas source is directly provided for the second compressor 23, so that the hydrogen supply operation is performed on the hydrogen using device 5.
In this embodiment, the path of the filling path 1 between the first pressure transmitter 14 and the cylinder group is preferably provided with a first gas detector (not shown in the figures).
According to the above-described structure, the first gas detector is used to detect whether there is a gas leakage in the filling path 1 and the low-pressure bottle group 4 at any time.
In this embodiment, it is preferable that a path of the hydrogen supply path 2 between the second compressor 23 and the hydrogen using device 5 is provided with a second pressure transmitter (not shown in the figure).
As can be seen from the above-described structure, the second pressure transmitter can detect whether the hydrogen gas pressurized by the second compressor 23 meets the pressure requirement of the hydrogen plant 5.
In this embodiment, it is preferable that a path of the hydrogen supply path 2 between the second compressor 23 and the hydrogen using device 5 is provided with a second gas detector (not shown in the figure).
As can be seen from the above-described structure, the second gas detector is used to detect the presence or absence of gas leakage in the hydrogen supply path 2 at any time.
In this embodiment, the low pressure cylinder group gas supply system preferably includes a control device communicatively connected to the first control valve 12, the second control valve 21, the first pressure transmitter 14, the second pressure transmitter, the first gas detector, the second gas detector, the first compressor 11, and the second compressor 23, respectively (not shown).
According to the above-described structure, the detecting components, such as the first pressure transmitter 14, the second pressure transmitter, the first gas detector and the second gas detector, can transmit data detected in real time to the control device, and the control device can correspondingly control the on/off of the first control valve 12, the second control valve 21, the first compressor 11 and the second compressor 23 according to the detected data, and the like.
The controller is a device that is currently commercially available and can control the opening or closing of the valve, and therefore, the detailed description is omitted here.
In this embodiment, preferably, as shown in fig. 1, the hydrogen supply path 2 is provided with a second check valve 22.
As can be seen from the above-described structure, the second check valve 22 mainly functions to ensure a unidirectional flow of hydrogen gas in the hydrogen supply path 2.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A low-pressure cylinder group gas supply system, comprising: the gas storage device comprises a filling path and a hydrogen supply path, wherein the gas inlet end of the filling path is used for connecting hydrogen supply equipment, and the gas outlet end of the filling path is used for connecting a gas storage bottle group;
the charging path is provided with a first control valve, the gas inlet end of the hydrogen supply path is connected to the partial path of the charging path located at the downstream of the first control valve along the conveying direction of the hydrogen gas, and the gas outlet end of the hydrogen supply path is used for connecting a hydrogen using device;
and a first compressor is arranged on an upstream path of the filling path at the intersection point of the filling path and the hydrogen supply path, and a second control valve and a second compressor are sequentially arranged in the hydrogen supply path along the conveying direction of the hydrogen gas.
2. The low pressure cylinder group gas supply system according to claim 1, wherein a path upstream of the charging path at an intersection with the hydrogen supply path is provided with a first check valve.
3. The low pressure cylinder group gas supply system according to claim 1, wherein a path downstream of the filling path at the intersection with the hydrogen supply path is provided with a first pressure transmitter.
4. The low pressure cylinder group gas supply system of claim 3 wherein a path of the fill path between the first pressure transmitter and the gas cylinder group is provided with a first gas detector.
5. The low pressure cylinder group gas supply system according to claim 4, wherein a path of the hydrogen supply path between the second compressor and the hydrogen using device is provided with a second pressure transmitter.
6. The low-pressure cylinder group gas supply system according to claim 5, wherein a path of the hydrogen supply path between the second compressor and the hydrogen using device is provided with a second gas detector.
7. The low pressure cylinder group gas supply system of claim 6, comprising a control device communicatively connected to the first control valve, the second control valve, the first pressure transmitter, the second pressure transmitter, the first gas detector, the second gas detector, the first compressor, and the second compressor, respectively.
8. The low pressure cylinder group gas supply system according to any one of claims 1 to 7, wherein the hydrogen supply path is provided with a second check valve.
9. The low pressure cylinder group air supply system according to any one of claims 1 to 7, wherein the first control valve is a pneumatic ball valve.
10. The low pressure cylinder group air supply system according to any one of claims 1 to 7, wherein the second control valve is a pneumatic ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022454293.4U CN213712660U (en) | 2020-10-29 | 2020-10-29 | Low-pressure bottle group gas supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022454293.4U CN213712660U (en) | 2020-10-29 | 2020-10-29 | Low-pressure bottle group gas supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213712660U true CN213712660U (en) | 2021-07-16 |
Family
ID=76801524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022454293.4U Active CN213712660U (en) | 2020-10-29 | 2020-10-29 | Low-pressure bottle group gas supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213712660U (en) |
-
2020
- 2020-10-29 CN CN202022454293.4U patent/CN213712660U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211399315U (en) | Gas discharging column for hydrogen station and hydrogen gas discharging system | |
| CN112013275A (en) | Hydrogenation station gas column system that unloads | |
| CN110793724A (en) | Vehicle-mounted hydrogen storage system leak detection device and method | |
| CN104075106A (en) | Control method and control device of nitrogen filling and pressure maintaining vacuumizing device | |
| CN103511829A (en) | Full-automatic purging, replacing and hydrogen-filling system of ultrahigh-pressure hydrogen environment material testing machine | |
| CN103178277A (en) | Full-automatic gas displacement system and method | |
| CN113339245A (en) | Diaphragm compressor single-stage and double-stage switching control system and method | |
| CN113623537A (en) | Hydrogen discharging system and control method | |
| CN104062076A (en) | Heat pump-refrigerating unit nitrogen-charging pressure-maintaining leakage detecting device and control method thereof | |
| CN111578125A (en) | Hydrogen supply system | |
| CN213712660U (en) | Low-pressure bottle group gas supply system | |
| CN207527295U (en) | A kind of compressed air double loop automatic switching control equipment for tobacco shred production line | |
| CN108332046B (en) | Hydrogenation system in pneumatic pump skid-mounted hydrogenation equipment and hydrogenation method thereof | |
| CN112577769A (en) | Hydrogen filling simulation test system | |
| CN210014208U (en) | Device for improving HCNG unloading efficiency and saving energy | |
| CN217208898U (en) | Control system of hydrogen production and hydrogenation integrated station | |
| CN108613013B (en) | Hydrogen supply system of vehicle-mounted hydrogen storage cylinder and working method thereof | |
| CN112525446B (en) | Automatic pressure testing system for hydrogenation station equipment | |
| CN113431733B (en) | Emergency air-supplementing and oil-supplementing system for pressure vessel of hydraulic system of hydraulic turbine speed regulator | |
| CN211040456U (en) | Simple hydrogenation device | |
| CN215674772U (en) | Hydrogenation device | |
| CN213022137U (en) | A airtight detecting system for hydrogen energy automobile | |
| CN212377766U (en) | Hydrogenation station gas column system that unloads | |
| CN205036537U (en) | Compressor system | |
| CN213132564U (en) | Quick start system for preparing qualified nitrogen through pressure swing adsorption |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |