CN207368103U - A kind of hydrogen supply system with pooling feature - Google Patents
A kind of hydrogen supply system with pooling feature Download PDFInfo
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- CN207368103U CN207368103U CN201721439303.9U CN201721439303U CN207368103U CN 207368103 U CN207368103 U CN 207368103U CN 201721439303 U CN201721439303 U CN 201721439303U CN 207368103 U CN207368103 U CN 207368103U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a kind of hydrogen supply system with pooling feature, including preparing hydrogen by reforming methanol equipment, hydrogen buffering system and hydrogen fuel cell system.Hydrogen buffering system includes air inlet pipeline, surge tank, storage metal hydrogen tank, outlet pipe and pressure reducing valve.One end of air inlet pipeline is connected with the outlet of preparing hydrogen by reforming methanol equipment, the entrance connection of the other end and surge tank；The air inlet of the outlet connection of outlet pipe one end and surge tank, the other end and hydrogen fuel cell system connects；One tee pipe coupling is set in the middle part of outlet pipe, and storage metal hydrogen tank is connected to the outlet pipe by tee pipe coupling；Storage metal hydrogen tank is provided with valve, for being turned on and off the storage metal hydrogen tank；Pressure reducing valve is set between the air inlet of tee pipe coupling and the hydrogen fuel cell system.
Description
Technical field
Hydrogen fuel cell stand-by power supply field is the utility model is related to, a kind of hydrogen with pooling feature is particularly related to and supplies
Answer system.
Background technology
Communication base station is generally by mains-supplied, to ensure the normal work of base station, it is necessary to be equipped with stand-by power supply system to base station
Such as common lead-acid battery group of system, diesel-driven generator, to ensure the normal operation of base station.But storage battery group is usually that whole group is standby
Part, once single only break down, then complete machine fails, it is impossible to plays power supply guaranteeing role.And diesel-driven generator needs strict regulation
Maintenance can ensure reliable power supply.Except facing adverse conditions in regular maintenance, due to itself characteristic, traditional stand-by power supply scheme
In face of typhoon, heavy rain, heavy snow and earthquake when paroxysmal severe natural calamity when more aobvious fragility.
Fuel cell stand-by power supply possesses following several big advantages compared to traditional stand-by power supply：First, fuel conversion efficiency
Height, influences using from Carnot cycle, and peak efficiency is up to 60~70%.2nd, it is environmental-friendly, it is one of most clean energy.
Do not burn during fuel cell power generation, reaction product is only water, and pollution is few；There is no rotatable parts, without noise；Do not depend on
Fossil energy, reduces the usage amount of the chemical raw materials such as the lead mercury of pollution environment.3rd, superior performance.Hydrogen fuel cell power supply
System no matter underloading or it is fully loaded can keep high efficiency, and possess very strong overload capacity, than conventional batteries long lifespan, can
It is high relatively low with operation and maintenance cost by property.4th, fuel source enriches, as long as providing sufficient fuel, can reach sufficiently long standby
Part time.
Fuel cell stand-by power supply can be used cooperatively with preparing hydrogen by reforming methanol equipment.Preparing hydrogen by reforming methanol equipment passes through cracking
Methanol, and product is purified, is filtered, to obtain hydrogen.Preparing hydrogen by reforming methanol equipment is it is possible to prevente effectively from High Pressure Hydrogen gas cylinder
Danger.But there are following drawback for preparing hydrogen by reforming methanol equipment domestic at present：Hydrogen manufacturing amount be not it is continuously adjustable, can not
Fuel cell stand-by power supply uses gas demand, adjusts hydrogen manufacturing amount in real time, unnecessary hydrogen can only be discharged into air.It is this
Working method was both dangerous, also uneconomical.
Utility model content
In view of this, the purpose of this utility model is that proposing a kind of hydrogen supply system with pooling feature, effectively
Prevent the discharge of hydrogen, improve the efficiency and security of whole system.
Based on a kind of above-mentioned purpose hydrogen supply system with pooling feature provided by the utility model, including methanol weight
Whole hydrogen producer, hydrogen buffering system and hydrogen fuel cell system；The hydrogen buffering system includes air inlet pipeline, buffering
Tank, storage metal hydrogen tank, outlet pipe and pressure reducing valve；One end of the air inlet pipeline goes out with the preparing hydrogen by reforming methanol equipment
Mouth connection, the other end are connected with the entrance of the surge tank；Described outlet pipe one end is connected with the outlet of the surge tank, separately
One end is connected with the air inlet of the hydrogen fuel cell system；One tee pipe coupling is set in the middle part of the outlet pipe, it is described
Storage metal hydrogen tank is connected to the outlet pipe by the tee pipe coupling；The storage metal hydrogen tank is provided with valve, is used for
It is turned on and off the storage metal hydrogen tank；Set and subtract between the air inlet of the tee pipe coupling and the hydrogen fuel cell system
Pressure valve.
Preferably, the valve is solenoid valve, and the hydrogen buffering system is provided with controller；The controller with it is described
Solenoid valve connects, for controlling the open and close of the solenoid valve.
Preferably, pressure-detecting device is provided with the surge tank, the pressure-detecting device connects with the controller
Connect；The pressure information in the surge tank that the controller is collected according to the pressure-detecting device, controls the electromagnetism
The open and close of valve.
Preferably, the controller is connected with the preparing hydrogen by reforming methanol equipment, for controlling the preparing hydrogen by reforming methanol
The start and stop of equipment.
Preferably, the volume calculation formula of the storage metal hydrogen tank is：
Wherein, V1Represent the body of metal hydrogen of unit weight percent of absorbent under standard pressure of the making storage metal hydrogen tank
Product, ρ represent the density of the metal, VH2Represent the hydrogen volume of the preparing hydrogen by reforming methanol equipment sustainable supply, VfcRepresent institute
State the volume of the required hydrogen of hydrogen fuel cell system.
From the above it can be seen that the hydrogen supply system provided by the utility model with pooling feature, passes through increasing
Hydrogenation buffer system, carries out hydrogen, effectively to buffering, so as to effectively prevent the discharge of hydrogen, to improve the effect of whole system
Rate and security.
Brief description of the drawings
Fig. 1 is the hydrogen supply system structure diagram that the utility model embodiment has pooling feature.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment
Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience,
The restriction to the utility model embodiment is should not be construed as, following embodiment no longer illustrates this one by one.
Fig. 1 is the hydrogen supply system structure diagram that the utility model embodiment has pooling feature.The utility model
Embodiment discloses a kind of hydrogen supply system with pooling feature, including preparing hydrogen by reforming methanol equipment 9, hydrogen buffering system
And hydrogen fuel cell system 10；The hydrogen buffering system includes air inlet pipeline 1, surge tank 2, storage metal hydrogen tank 3, air outlet pipe
Road 4 and pressure reducing valve 8.Wherein, one end of the air inlet pipeline 1 is connected with the outlet of the preparing hydrogen by reforming methanol equipment 9, another
End be connected with the entrance of the surge tank 2, the hydrogen that preparing hydrogen by reforming methanol equipment 9 prepares first by air inlet pipeline 1 into
Enter and cached in surge tank 2.Described 4 one end of outlet pipe is connected with the outlet of the surge tank 2, and the other end is fired with the hydrogen
Expect the air inlet connection of battery system 10, outlet pipe 4 exports the hydrogen cached in buffer tank 2 to hydrogen fuel cell system 10
Use.The middle part of outlet pipe 4 sets a tee pipe coupling 11, and the storage metal hydrogen tank 3 passes through the tee pipe coupling
11 are connected to the outlet pipe 4.The storage metal hydrogen tank is provided with valve 6, for being turned on and off the storage metal hydrogen tank
3.When amounts of hydrogen prepared by preparing hydrogen by reforming methanol equipment 9 is higher than the demand of hydrogen fuel cell system 10, storage metal hydrogen tank 3 can
To be stored to unnecessary hydrogen；When hydrogen prepared by preparing hydrogen by reforming methanol equipment 9 can not meet hydrogen fuel cell system 10
Demand when, storage metal hydrogen tank 3 can discharge the hydrogen of storage, supply hydrogen fuel cell system 10 use.The threeway
Pressure reducing valve 8 is set between pipe fitting 11 and the air inlet of the hydrogen fuel cell system 10, for ensuring hydrogen fuel cell system
The pressure of 10 air inlets stablizes suitable scope at one, to ensure the normal work of hydrogen fuel cell system 10.
In another embodiment of the utility model, the valve 6 is solenoid valve, and the hydrogen buffering system is provided with
Controller 7；The controller 7 is connected with the solenoid valve 6, for controlling the open and close of the solenoid valve 6.
Preferably, pressure-detecting device 5, the pressure-detecting device 5 and the controller are provided with the surge tank 2
7 connections.The pressure information in the surge tank 2 that the controller 7 is collected according to the pressure-detecting device 5, controls institute
State the open and close of solenoid valve 6.
Specifically, pressure-detecting device 5 monitors the pressure in surge tank 2 in real time, and the pressure information monitored is sent
To controller 7.When the pressure in surge tank 2 is between upper pressure limit set in advance and low pressure limit, controller 7 controls
Solenoid valve 6 closes gas circuit, and storage metal hydrogen tank is not involved in work, and gas is directly entered hydrogen fuel cell system 10.When pressure is higher than
During upper pressure limit, controller 7 controls solenoid valve to open gas circuit, and storage metal hydrogen tank carries out absorbing and storing to unnecessary hydrogen.Work as pressure
When power is less than low pressure limit, controller 7 controls solenoid valve to open gas circuit, and storage metal hydrogen tank is released the hydrogen of absorbing and storing
Put.
Preferably, the controller 7 is connected with the preparing hydrogen by reforming methanol equipment 9, passes through communication bus or I/O signal control
The start and stop of preparing hydrogen by reforming methanol equipment 9 processed.On storage metal hydrogen tank is during absorbing and storing, and the pressure in surge tank 2 continues
Rise, when the maximum gas pressure value that pressure can be born beyond system, controller 7 closes preparing hydrogen by reforming methanol equipment 9, so as to system
It is effectively protected.
Preferably, it is assumed that the metallic flat weight for making the storage metal hydrogen tank can absorb hydrogen V under standard pressure1
Rise, if the cyclic fluctuation within a certain range of the required amounts of hydrogen of hydrogen fuel cell system, its minimum value is VfcRise, and methanol
The amounts of hydrogen of reformation hydrogen production equipment sustainable supply is VH2Rise, then hydrogen-storing device is required to absorb (VH2-Vfc) hydrogen is risen, at this time
Hydrogen storage metal (the V neededH2-Vfc)/V1Kilogram, according to the quality and density p of metal, it can be deduced that the stereometer of storage metal hydrogen tank
Calculating formula is：
Wherein, V1Represent the body of metal hydrogen of unit weight percent of absorbent under standard pressure of the making storage metal hydrogen tank
Product, ρ represent the density of the metal, VH2Represent the hydrogen volume of the preparing hydrogen by reforming methanol equipment sustainable supply, VfcRepresent institute
State the volume of the required hydrogen of hydrogen fuel cell system.
Hydrogen supply system described in the utility model with pooling feature, by being fired in preparing hydrogen by reforming methanol equipment and hydrogen
Expect to set hydrogen caching system between battery system, hydrogen is carried out effectively to buffering；Prepared when preparing hydrogen by reforming methanol equipment
When amounts of hydrogen is higher than the demand of hydrogen fuel cell, hydrogen buffering system can store unnecessary hydrogen, when methanol weight
When hydrogen prepared by whole hydrogen producer can not meet the needs of hydrogen fuel cell, buffer system can discharge the hydrogen of storage
Come, supply hydrogen fuel cell system uses；By increasing hydrogen buffering system, effectively prevent the discharge of hydrogen, improve whole
The efficiency and security of system.
Those of ordinary skills in the art should understand that：The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the utility model, the above is real
Applying can also be combined between the technical characteristic in example or different embodiment, and there are the utility model as described above
Many other changes of different aspect, for simplicity, they are not provided in details.Therefore, all spirit in the utility model
Within principle, any omission for being made, modification, equivalent substitution, improvement etc., should be included in the scope of protection of the utility model
Within.
Claims (5)
1. a kind of hydrogen supply system with pooling feature, it is characterised in that including preparing hydrogen by reforming methanol equipment, hydrogen buffering
System and hydrogen fuel cell system；The hydrogen buffering system includes air inlet pipeline, surge tank, storage metal hydrogen tank, air outlet pipe
Road and pressure reducing valve；One end of the air inlet pipeline is connected with the outlet of the preparing hydrogen by reforming methanol equipment, the other end with it is described
The entrance connection of surge tank；Described outlet pipe one end is connected with the outlet of the surge tank, the other end and hydrogen fuel electricity
The air inlet connection of cell system；One tee pipe coupling is set in the middle part of the outlet pipe, and the storage metal hydrogen tank passes through described
Tee pipe coupling is connected to the outlet pipe；The storage metal hydrogen tank is provided with valve, for being turned on and off the metal
Hydrogen container；Pressure reducing valve is set between the air inlet of the tee pipe coupling and the hydrogen fuel cell system.
2. the hydrogen supply system according to claim 1 with pooling feature, it is characterised in that the valve is electromagnetism
Valve, the hydrogen buffering system are provided with controller；The controller is connected with the solenoid valve, for controlling the solenoid valve
Open and close.
3. the hydrogen supply system according to claim 2 with pooling feature, it is characterised in that set in the surge tank
Pressure-detecting device is equipped with, the pressure-detecting device is connected with the controller；The controller is according to the pressure detecting
The pressure information in the surge tank that device collects, controls the open and close of the solenoid valve.
4. the hydrogen supply system according to claim 2 with pooling feature, it is characterised in that the controller and institute
The connection of preparing hydrogen by reforming methanol equipment is stated, for controlling the start and stop of the preparing hydrogen by reforming methanol equipment.
5. the hydrogen supply system according to claim 1 with pooling feature, it is characterised in that the storage metal hydrogen tank
Volume calculation formula be：
<mrow>
<mi>V</mi>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>V</mi>
<mrow>
<mi>H</mi>
<mn>2</mn>
</mrow>
</msub>
<mo>-</mo>
<msub>
<mi>V</mi>
<mrow>
<mi>f</mi>
<mi>c</mi>
</mrow>
</msub>
</mrow>
<mrow>
<msub>
<mi>V</mi>
<mn>1</mn>
</msub>
<mi>&rho;</mi>
</mrow>
</mfrac>
</mrow>
Wherein, V1Represent the volume of metal hydrogen of unit weight percent of absorbent under standard pressure of the making storage metal hydrogen tank, ρ
Represent the density of the metal, VH2Represent the hydrogen volume of the preparing hydrogen by reforming methanol equipment sustainable supply, VfcRepresent the hydrogen
The volume of the required hydrogen of fuel cell system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721439303.9U CN207368103U (en) | 2017-11-01 | 2017-11-01 | A kind of hydrogen supply system with pooling feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721439303.9U CN207368103U (en) | 2017-11-01 | 2017-11-01 | A kind of hydrogen supply system with pooling feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368103U true CN207368103U (en) | 2018-05-15 |
Family
ID=62344952
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721439303.9U Active CN207368103U (en) | 2017-11-01 | 2017-11-01 | A kind of hydrogen supply system with pooling feature |
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| Country | Link |
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| CN (1) | CN207368103U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883802A (en) * | 2020-08-05 | 2020-11-03 | 强伟氢能科技有限公司 | Single-port concave low-pressure hydrogen buffering device |
| CN113488678A (en) * | 2021-06-30 | 2021-10-08 | 武汉理工大学 | Hydrogen supply system of fuel cell vehicle |
| CN114976120A (en) * | 2022-06-02 | 2022-08-30 | 上海恒劲动力科技有限公司 | Vehicle-mounted power system of hydrogen and methanol dual-fuel emergency power supply |
-
2017
- 2017-11-01 CN CN201721439303.9U patent/CN207368103U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883802A (en) * | 2020-08-05 | 2020-11-03 | 强伟氢能科技有限公司 | Single-port concave low-pressure hydrogen buffering device |
| CN113488678A (en) * | 2021-06-30 | 2021-10-08 | 武汉理工大学 | Hydrogen supply system of fuel cell vehicle |
| CN114976120A (en) * | 2022-06-02 | 2022-08-30 | 上海恒劲动力科技有限公司 | Vehicle-mounted power system of hydrogen and methanol dual-fuel emergency power supply |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200630 Address after: 100076 Beijing, Fengtai District, South Road, No. 1, Patentee after: BEIJING INSTITUTE OF SPACE LAUNCH TECHNOLOGY Address before: 100076, No. 3 Jin Jin Road, Daxing District, Beijing Patentee before: AEROSPACE NEW LONG MARCH ELECTRIC VEHICLE TECHNOLOGY Co.,Ltd. |