The fuel cell base station standby power system of hydrogen from methyl alcohol energy storage
Technical field
The utility model belongs to technical field of new energies, relates to a kind of fuel cell power system, particularly relates to a kind of fuel cell base station standby power system of hydrogen from methyl alcohol energy storage.
Background technology
The most frequently used stand-by power supply of communication base station is made up of lead acid accumulator, and in use need to be in floating charge state all the time, the large life-span of consuming energy is short, and the process of manufacture process and old and useless battery all can won't do impact to environment band.Currently also occurred that some use the stand-by power supply prepared of hydrogen fuel cells, its advantage is that pollution-free, standby state can not consume mass energy, and thus long service life, integrated cost is low.
But need to provide hydrogen source in time after deposit hydrogen source is finished, some reports seen now mainly use bottled compression hydrogen, store and take volume greatly, change and transportation poor stability, need professional person to go operation.
In view of this, nowadays in the urgent need to designing a kind of new stand-by power supply presentation mode, to overcome the above-mentioned defect of existing presentation mode.
Utility model content
Technical problem to be solved in the utility model is: the fuel cell base station standby power system providing a kind of hydrogen from methyl alcohol energy storage, can improve energy storage efficiency.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A fuel cell base station standby power system for hydrogen from methyl alcohol energy storage, described system comprises preparing hydrogen by reforming methanol machine, Hydrogen Energy power supply, controller, solidification hydrogen storage system, the first control valve, the second control valve, hydrogen gas compressor, hydrogen dewatering system;
Described preparing hydrogen by reforming methanol machine, Hydrogen Energy power supply and cured hydrogen hydrogen storage system are connected to each other; Be provided with the first control valve between preparing hydrogen by reforming methanol machine and Hydrogen Energy power supply, between cured hydrogen hydrogen storage system and Hydrogen Energy power supply, be provided with the second control valve; Preparing hydrogen by reforming methanol machine, hydrogen dewatering system, hydrogen gas compressor, solidification hydrogen storage system connect successively; The information of controller Detection & Controling unit and action.
As a kind of preferred version of the present utility model, a small amount of energy-storage battery is comprised in described controller, there is rapid-action uninterrupted power supply ability, energy storage can ensure that the base station power maintaining setting-up time uses, ensure that smooth transition is powered to Hydrogen Energy power supply to base station power, this small amount of energy-storage battery is again for starting Hydrogen Energy power supply simultaneously.
As a kind of preferred version of the present utility model, solidification hydrogen storage system is used for starting Hydrogen Energy power supply fast, and preparing hydrogen by reforming methanol machine provides hydrogen for continuing and fills hydrogen to solidification hydrogen storage system.
As a kind of preferred version of the present utility model, if controller detects outer net power failure, the uninterrupted power supply comprised in controller is namely to base station communication apparatus uninterrupted power supply, control the second control valve to Hydrogen Energy power supply hydrogen supply simultaneously, and start Hydrogen Energy power supply, in setting-up time, the normal rear Hydrogen Energy power supply that controls of Hydrogen Energy power supply output is powered to base station communication apparatus, and the uninterrupted power supply built-in by potential balance relationship controller will quit work;
Start preparing hydrogen by reforming methanol device, after preparing hydrogen by reforming methanol device starts working generation hydrogen, open the first control valve, with solidification hydrogen storage system simultaneously to Hydrogen Energy power supply hydrogen supply;
Controller, after detecting that preparing hydrogen by reforming methanol machine reaches specified fan-out capability, cuts out the second control valve, by preparing hydrogen by reforming methanol device separately to Hydrogen Energy power supply hydrogen supply;
After controller detects that outer net restores electricity, close Hydrogen Energy power supply, close the first control valve, start hydrogen gas compressor, the hydrogen that preparing hydrogen by reforming methanol machine produces is dewatered by hydrogen dewater unit, hydrogen is filled by the hydrogen gas compressor backward solidification hydrogen storage system that boosts, with supplementary preparing hydrogen by reforming methanol machine startup stage solidification storage hydrogen consume hydrogen reserves, after controller detects that solidification storage hydrogen is full of, stop the work of preparing hydrogen by reforming methanol device, detect the residual capacity of methyl alcohol storage tank, send information to administrative staff;
Controller detects that outer net is powered normally, automatically supplements the energy storage of built-in uninterrupted power supply.
As a kind of preferred version of the present utility model, controling appliance is for remote network communication ability, administrative staff can monitor the operating state of standby power system by network remote, when methyl alcohol reserves are less than the critical value of setting, will send alarm signal to keeper; If outer net power interruption time is long, and methyl alcohol cannot supplement in time, controller, by making full use of the built-in uninterrupted power supply of solidification storage hydrogen and controller, extends the electric power safeguard time of base station communication apparatus as far as possible.
A fuel cell base station standby power system for hydrogen from methyl alcohol energy storage, described system comprises preparing hydrogen by reforming methanol machine, Hydrogen Energy power supply, controller, solidification hydrogen storage system, hydrogen purification apparatus, control valve, hydrogen gas compressor;
Described preparing hydrogen by reforming methanol machine, Hydrogen Energy power supply are connected to each other with solidification hydrogen storage system; The information of controller Detection & Controling unit and action;
Described preparing hydrogen by reforming methanol machine connects hydrogen purification apparatus, and hydrogen purification apparatus, hydrogen gas compressor, solidification hydrogen storage system connect successively; Hydrogen purification apparatus, solidification hydrogen storage system connect Hydrogen Energy power supply by control valve;
Use Hydrogen Energy power supply time preparing hydrogen by reforming methanol machine-processed hydrogen after the purifying of hydrogen purification apparatus to Hydrogen Energy power supply hydrogen supply; After network recovery normal power supply, preparing hydrogen by reforming methanol machine fills hydrogen through the purifying backward solidification hydrogen storage system that boosts outside.
The beneficial effects of the utility model are: the fuel cell base station standby power system of the hydrogen from methyl alcohol energy storage that the utility model proposes, methyl alcohol is used to make hydrogeneous energy storage medium, in the on-the-spot hydrogen manufacturing of base station onsite application methanol recapitalization technology, hydrogen generates electricity for electric generator using fuel battery, then for communication base station equipment.Such energy storage efficiency will be more much higher than directly using compression hydrogen steel cylinder, postcombustion is also very convenient, when only needing remote monitoring to find fuel shortage, and direct annotate the methyl alcohol, and do not need to change together with container as replacing compression hydrogen, substantially increase conevying efficiency and fail safe.Meanwhile, in order to make up the slow shortcoming of the on-the-spot hydrogen manufacturing of methanol recapitalization technology, can start hydrogen power generator fast, a system configuration solid-state hydrogen storing unit, can generate electricity providing instantaneously hydrogen source.
Compared with using the Hydrogen Energy standby power system of compression hydrogen hydrogen supply, use methyl alcohol as energy storage carrier, storage hydrogen energy storage efficiency is higher than compression hydrogen, and storing and transporting security is convenient.Use cured hydrogen to start Hydrogen Energy power supply fast, overcome the shortcoming that preparing hydrogen by reforming methanol reacts slow, the use pressure of cured hydrogen is significantly less than compression hydrogen, and fail safe is good.Cured hydrogen hydrogen storage system only needs to fill hydrogen through simply boosting to complete.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of fuel cell base station standby power system in embodiment one.
Fig. 2 is the composition schematic diagram of fuel cell base station standby power system in embodiment two.
Accompanying drawing mark is as follows:
11 is preparing hydrogen by reforming methanol machine, and 12 is hydrogen dewatering system, and 13 is hydrogen gas compressor;
14 is solidification hydrogen storage system, and 15 is the first control valve, and 16 is the second control valve;
17 is Hydrogen Energy power supply, and 18 for using electrical interface, and 19 is controller, and 20 is methyl alcohol storage tank.
21 is methanol recapitalization hydrogen machine, and 22 is hydrogen purification apparatus, and 23 is hydrogen gas compressor;
24 is solidification hydrogen storage system, and 25 is control valve, and 26 is Hydrogen Energy power supply;
27 controllers, 28 for using electrical interface, and 29 is methyl alcohol storage tank.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Embodiment one
Please refer to Fig. 1, Fig. 1 is the block diagram of the first embodiment of the fuel cell base station standby power system of a kind of hydrogen from methyl alcohol energy storage of the utility model.
As shown in Figure 1, the fuel cell base station standby power system of hydrogen from methyl alcohol energy storage comprises preparing hydrogen by reforming methanol machine 11, Hydrogen Energy power supply 17 (HT-PEMFC Hydrogen Energy power supply), controller 19, solidification hydrogen storage system 14, first control valve 15, second control valve 16, hydrogen gas compressor 13, hydrogen dewatering system 12.Hydrogen Energy power supply 17 is provided with electrical interface 18.
Described preparing hydrogen by reforming methanol machine 11, Hydrogen Energy power supply 17 are connected to each other with cured hydrogen hydrogen storage system 14; Be provided with the first control valve 15 between preparing hydrogen by reforming methanol machine 11 and Hydrogen Energy power supply 17, between cured hydrogen hydrogen storage system 14 and Hydrogen Energy power supply 17, be provided with the second control valve 16; Preparing hydrogen by reforming methanol machine 11, hydrogen dewatering system 12, hydrogen gas compressor 13, solidification hydrogen storage system 14 connect successively; The information of controller 19 Detection & Controling unit and action.
A small amount of energy-storage battery is comprised in described controller 19, there is rapid-action uninterrupted power supply ability, energy storage can ensure to maintain the base station power being no less than 5 minutes and use, and ensure that smooth transition is powered to Hydrogen Energy power supply to base station power, this small amount of energy storage is simultaneously again for starting Hydrogen Energy power supply.
As shown in Figure 1, the control method of above-mentioned fuel cell base station standby power system is as follows:
Once controller 19 detects outer net power failure, the uninterrupted power supply comprised in controller is namely to base station communication apparatus uninterrupted power supply, control the second control valve 16 to Hydrogen Energy power supply 17 hydrogen supply simultaneously, and start Hydrogen Energy power supply, in 1 ~ 2 minute, the normal rear Hydrogen Energy power supply that controls of Hydrogen Energy power supply output is powered to base station communication apparatus, and the uninterrupted power supply built-in by potential balance relationship controller will quit work.Start preparing hydrogen by reforming methanol machine 11, after preparing hydrogen by reforming methanol device starts working generation hydrogen, open the first control valve 15, with solidification hydrogen storage system simultaneously to Hydrogen Energy power supply hydrogen supply.Controller 19, after detecting that preparing hydrogen by reforming methanol machine reaches specified fan-out capability, cuts out the second control valve, by preparing hydrogen by reforming methanol device separately to Hydrogen Energy power supply hydrogen supply.After controller detects that outer net restores electricity, close Hydrogen Energy power supply, close the first control valve 15, start hydrogen gas compressor 13, the hydrogen that preparing hydrogen by reforming methanol machine 11 produces is dewatered by hydrogen dewatering system 12, hydrogen is filled by the hydrogen gas compressor 13 backward solidification hydrogen storage system 14 that boosts, with supplementary preparing hydrogen by reforming methanol machine 11 startup stage solidification storage hydrogen consume hydrogen reserves, after controller 19 detects that solidification storage hydrogen is full of, stop the work of preparing hydrogen by reforming methanol machine 11, detect the residual capacity of methyl alcohol storage tank 20, sending information lower than during set point to administrative staff.Controller 19 detects that outer net is powered normally, automatically supplements the energy storage of built-in uninterrupted power supply.
In addition, controller 19 possesses remote network communication ability, and administrative staff can monitor the operating state of standby power system by network remote, when methyl alcohol reserves are less than the critical value of setting, will send alarm signal to keeper.Just in case outer net power interruption time is long, and methyl alcohol cannot supplement in time, controller, by making full use of the built-in uninterrupted power supply of solidification storage hydrogen and controller, extends the electric power safeguard time of base station communication apparatus as far as possible.
Embodiment two
Please refer to Fig. 2, Fig. 2 is the block diagram of the second embodiment of the fuel cell base station standby power system of the utility model hydrogen from methyl alcohol energy storage.
In the present embodiment, the fuel cell base station standby power system of hydrogen from methyl alcohol energy storage, described system comprises preparing hydrogen by reforming methanol machine 21, Hydrogen Energy power supply 26, controller 27, solidification hydrogen storage system 24, hydrogen purification apparatus 22, control valve 25, hydrogen gas compressor 23.Hydrogen Energy power supply 26 is provided with electrical interface 28.
Described preparing hydrogen by reforming methanol machine 21, Hydrogen Energy power supply 26 are connected to each other with solidification hydrogen storage system 24; The information of controller 27 Detection & Controling unit and action.
Described preparing hydrogen by reforming methanol machine 21 connects hydrogen purification apparatus 22, and hydrogen purification apparatus 22, hydrogen gas compressor 23, solidification hydrogen storage system 24 connect successively; Hydrogen purification apparatus 22, solidification hydrogen storage system 24 connect Hydrogen Energy power supply 26 by control valve 25.
When using Hydrogen Energy power supply 26, the obtained hydrogen of preparing hydrogen by reforming methanol machine 21 after the purifying of hydrogen purification apparatus 22 to Hydrogen Energy power supply 26 hydrogen supply; Outside after network recovery normal power supply, preparing hydrogen by reforming methanol machine 21 fills hydrogen through the purifying backward solidification hydrogen storage system that boosts.
As shown in Figure 2, once controller 27 detects outer net power failure, the uninterrupted power supply comprised in controller is namely to base station communication apparatus uninterrupted power supply, control control valve makes solidification hydrogen storage system to Hydrogen Energy power supply hydrogen supply simultaneously, and start Hydrogen Energy power supply, in 1 ~ 2 minute, the normal rear Hydrogen Energy power supply that controls of Hydrogen Energy power supply output is powered to base station communication apparatus, and the uninterrupted power supply built-in by potential balance relationship controller will quit work.Start preparing hydrogen by reforming methanol device 21, the hydrogen that preparing hydrogen by reforming methanol device produces is first through hydrogen purification apparatus process, and the hydrogen after purification process, by control valve 25, with solidification hydrogen storage system simultaneously to Hydrogen Energy power supply hydrogen supply.Controller, after detecting that preparing hydrogen by reforming methanol machine reaches specified fan-out capability, controls control valve, by preparing hydrogen by reforming methanol device, independent to Hydrogen Energy power supply hydrogen supply after purification process to the hydrogen produced.After controller detects that outer net restores electricity, close Hydrogen Energy power supply, closed control valve, startup hydrogen gas compressor 23, the hydrogen that preparing hydrogen by reforming methanol machine produces fills hydrogen by the hydrogen gas compressor backward solidification hydrogen storage system that boosts after purification process, with supplementary preparing hydrogen by reforming methanol machine startup stage solidification storage hydrogen consume hydrogen reserves, after controller detects that solidification storage hydrogen is full of, stop the work of preparing hydrogen by reforming methanol device, detect the residual capacity of methyl alcohol storage tank, send information to administrative staff.
Experiment one:
Only have preparing hydrogen by reforming methanol device to test to the generating of Hydrogen Energy power supply hydrogen supply separately after purification process the hydrogen produced, start up system starts to export needs 40 minutes to stable electric generation.
Experiment two:
Preparing hydrogen by reforming methanol device generates electricity to Hydrogen Energy power supply hydrogen supply after purification process to the hydrogen produced, solidify hydrogen storage system also to the test of Hydrogen Energy power supply hydrogen supply simultaneously, start up system starts solid-state storage hydrogen to generator hydrogen supply, stable electric generation exports only needs 1 minute, after 40 minutes, preparing hydrogen by reforming methanol device starts to generator hydrogen supply, and solid hydrogen storage device stops hydrogen supply.Whole system starts to stable electric generation output and only needs one minute.
Experiment three:
Preparing hydrogen by reforming methanol device generates electricity to Hydrogen Energy power supply hydrogen supply after purification process to the hydrogen produced, solidify hydrogen storage system also to Hydrogen Energy power supply hydrogen supply simultaneously, configure an energy-storage battery simultaneously, there is rapid-action uninterrupted power supply ability, energy storage can ensure the test of the maintenance base station power of 5 minutes, start up system starts solid-state storage hydrogen to generator hydrogen supply, stable electric generation exports only needs 1 minute, after 40 minutes, preparing hydrogen by reforming methanol device starts to generator hydrogen supply, and solid hydrogen storage device stops hydrogen supply.Whole system starts to stable fuel cell generating output and only needs one minute.
Improvement of the present utility model can reduce the capacity of energy-storage battery greatly, thus reduces system cost.
In sum, the fuel cell base station standby power system of the hydrogen from methyl alcohol energy storage that the utility model proposes, uses methyl alcohol to make hydrogeneous energy storage medium, in the on-the-spot hydrogen manufacturing of base station onsite application methanol recapitalization technology, hydrogen generates electricity for electric generator using fuel battery, then for communication base station equipment.Such energy storage efficiency will be more much higher than directly using compression hydrogen steel cylinder, postcombustion is also very convenient, when only needing remote monitoring to find fuel shortage, and direct annotate the methyl alcohol, and do not need to change together with container as replacing compression hydrogen, substantially increase conevying efficiency and fail safe.Meanwhile, in order to make up the slow shortcoming of the on-the-spot hydrogen manufacturing of methanol recapitalization technology, can start hydrogen power generator fast, a system configuration solid-state hydrogen storing unit, can generate electricity providing instantaneously hydrogen source.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present utility model or substantive characteristics, the utility model can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the utility model scope and spirit, can other distortion be carried out here to disclosed embodiment and change.