CN105811443A - Peak shaving and load shifting power supply system and method based on methanol water reforming hydrogen generation power generation system - Google Patents

Peak shaving and load shifting power supply system and method based on methanol water reforming hydrogen generation power generation system Download PDF

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Publication number
CN105811443A
CN105811443A CN201610189680.5A CN201610189680A CN105811443A CN 105811443 A CN105811443 A CN 105811443A CN 201610189680 A CN201610189680 A CN 201610189680A CN 105811443 A CN105811443 A CN 105811443A
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water
methanol
power
hydrogen production
control
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向华
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Guangdong Hydrogen Energy Science and Technology Co Ltd
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Guangdong Hydrogen Energy Science and Technology Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The invention discloses a peak shaving and load shifting power supply system based on a methanol water reforming hydrogen generation power generation system. The system comprises a control device, a methanol water storage and transmission device, at least two methanol water reforming hydrogen generation power generation modules, a power conversion device, a load and an electronic switch, wherein the control device is electrically connected with the methanol water storage and transmission device, the methanol water reforming hydrogen generation power generation modules, the power conversion device and the electronic switch and controls the working conditions of the methanol water storage and transmission device, the methanol water reforming hydrogen generation power generation modules, the power conversion device and the electronic switch, and the electronic switch is used for connecting or disconnecting a mains supply; when the mains supply is in a power utilization peak, the control device controls the electronic switch to cut off the mains supply and controls an appropriate amount of methanol water to be reformed to generate hydrogen and the power generation modules to run according to the electricity utilization power of the load so as to supply power to the load; and when the mains supply is in a power utilization valley, the control device controls the methanol water to generate hydrogen and the power generation modules to rotate and also controls the electronic switch to connect the mains supply so as to supply power to the load. The system has the advantages of high power supply continuity, peak shaving and load shifting, energy saving, emission reduction and high power supply safety, and is easy to control.

Description

Peak load shifting electric power system and method based on methanol-water reformation hydrogen production electricity generation system
Technical field
The present invention relates to electric power system technical field, particularly to a kind of peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system and method.
Background technology
Electric power need for electricity domestic at present is increasing, but, domestic electricity needs management is still within the lower level stage.The tenacious of that one power plant generating capacity is usually fixed, but peak of power consumption is generally by day, causes daytime electricity not enough, and be then low ebb in the evening, has unnecessary use not fall electricity and wastes.In order to realize scientific utilization of electricity, ordered electric, using electricity wisely, improving the efficiency of electric power electricity consumption, to reach the purpose of energy-conserving and environment-protective, department of State Grid introduces step price strategy, time-of-use tariffs are adopted to regulate the electricity consumption behavior of power consumer, to reach to save the purpose of the energy.
For power system power generation characteristics and time-of-use tariffs standard, peak load shifting electric power system is used gradually in power consumer.In the prior art, peak load shifting electric power system mainly includes two big classes, and one is the peak load shifting electric power system adopting batteries to store energy, and two is the peak load shifting electric power system adopting the generating electricity by natural energy such as solar energy, wind energy, methane energy.
Adopt the peak load shifting electric power system of batteries to store energy, can refer to Chinese patent application 201510405570.3 1 kinds based on the energy-storage system of novel peak load shifting controller, 200910015008.4 1 kinds of power-economizing methods utilizing super capacitor to implement peak load cutting, its principle is that low power consumption is energy storage device charging period at night, peak times of power consumption on daytime, recycling energy storage device is load supplying.But, owing to the cost of large-capacity battery is high, access times limited (being typically filled with discharge time at about 1000 times), conventional power user is often difficult to bear, and, the electricity of accumulator is limited, when relatively large load uses, the electricity of accumulator will soon be finished, it is difficult to permanent supply.
Adopt the peak load shifting electric power system of the generating electricity by natural energy such as solar energy, wind energy, methane energy, can refer to 201320875673.2 1 kinds of solar power plant intelligent grid connection generating set systems of Chinese patent application, the 201510246879.2 flexible grid-connected dispatching algorithms of distributed wind and solar hybrid generating system, this kind of electric power system relies on wind energy, methane energy or solar electrical energy generation, affected very big by sun intensity and wind intensity, it is difficult to continuous operation when varying environment, when Renewable resource generated energy is inadequate, then it is difficult to the power supply of continuous-stable.
Chinese patent 201520555415.5 discloses a kind of distributed intelligence microgrid structure, including TRT, the first power-converting device, energy storage device and user load, a part for alternating current is flowed to user load by the first power-converting device and is stored in energy storage device by TRT;Energy storage device includes hydrogen fuel cell energy storage device, hydrogen fuel cell energy storage device includes the electrolysis unit, hydrogen gas storing device, hydrogen fuel cell group and the second power-converting device that are sequentially connected with, and the second power-converting device converts electric energy to the system matched with user load.This distributed intelligence microgrid structure can utilize hydrogen fuel cell to generate electricity, and it is better for electrical stability, but this distributed intelligence microgrid structure also has the disadvantage that
1, the hydrogen source of hydrogen fuel cell is in water electrolysis hydrogen production, but the electric energy that water electrolysis hydrogen production consumes is too many, does not calculate very much, and needs to arrange hydrogen-storing device, it is easy to produce the danger such as blast;
2, the electric power system of above-mentioned distributed intelligence microgrid structure, generally only a set of device for preparing hydrogen and hydrogen fuel cell,
When this device for preparing hydrogen or hydrogen fuel cell break down, then can only be continuing with mains-supplied;When single device for preparing hydrogen or hydrogen fuel cell are not enough, it is difficult to promote its hydrogen manufacturing amount and generated energy, and when hydrogen manufacturing amount and generated energy are excessive, be difficult to again reduce its hydrogen manufacturing amount and generated energy.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned deficiency of the prior art, it is provided that a kind of peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system, and its power supply continuity is good, control easily, energy-saving and emission-reduction, Supply Security are high;For this, the present invention also provides the method for supplying power to of this peak load shifting electric power system a kind of.
For solving above-mentioned first technical problem, the technical scheme is that a kind of peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system, including controlling device, methanol-water Storing and conveying device, at least two group methanol-water reformation hydrogen production power generation module group, power inverter, load and electrical switch;Described control device is all electrically connected with methanol-water Storing and conveying device, methanol-water reformation hydrogen production power generation module group, power inverter and electrical switch and controls its duty;Described methanol-water Storing and conveying device is for carrying first alcohol and water raw material to methanol-water reformation hydrogen production power generation module group;Described methanol-water reformation hydrogen production power generation module group includes reformer and fuel cell, first alcohol and water raw material occurs reformation hydrogen production to react in reformer, and the hydrogen prepared enters fuel cell, in fuel cell, hydrogen and the oxygen generation electrochemical reaction in air, produce electric energy output;Described power inverter is for being converted to the required appropriate voltage of load, the alternating current of electric current or unidirectional current by the electric energy that fuel cell exports;Described electrical switch is used for switching on or off mains supply;When described civil power is in peak of power consumption, controls device and control electrical switch cut-out mains supply, and the electric power according to load controls proper amount of methanol water reformation hydrogen production and power generation module group operating, for load supplying;When described civil power is in low power consumption, controls device control methanol-water reformation hydrogen production and power generation module group shuts down, and control electrical switch connection mains supply, for load supplying.
It is provided with reformer chamber and hydrogen purification apparatus in the reformer of described methanol-water reformation hydrogen production power generation module group, the temperature of reformer chamber is 300-570 DEG C of temperature, reformer chamber is provided with catalyst, first alcohol and water reacts prepared hydrogen-containing gas at the reformation hydrogen production of reformer chamber generation first alcohol and water, reformer chamber is connected by connecting line with hydrogen purification apparatus, the all or part of of connecting line is arranged at reformer chamber, and the high temperature that can pass through reformer chamber continues the heating gas from reformer chamber output;Described connecting line is as the buffering between reformer chamber and hydrogen purification apparatus so that identical or close with the temperature of hydrogen purification apparatus from the temperature of the gas of reformer chamber output, obtains hydrogen from the aerogenesis end of hydrogen purification apparatus, is supplied to fuel cell.
Described methanol-water reformation hydrogen production power generation module group is integrated with heat exchanger, described heat exchanger is installed on the conveyance conduit between methanol-water Storing and conveying device and reformer, the first alcohol and water raw material of low temperature is in heat exchanger, carrying out heat exchange with the high-temperature hydrogen of reformer chamber output, first alcohol and water material temperature raises, vaporization;The hydrogen of the aerogenesis end output of the hydrogen purification apparatus of described reformer, after heat exchanger, temperature reduces, and re-supplies to fuel cell.
Described methanol-water reformation hydrogen production power generation module group is integrated with converter, for low-frequency voltage or DC voltage are converted to electromagnetic heater solenoid required for high frequency voltage, described converter is provided with liquid cooling heat radiator, described methanol-water raw material is in the pumping procedure of delivery pump, flow through this liquid cooling heat radiator, make the heat that converter produces be taken away by methanol-water raw material;Being provided with electromagnetic heater in described reformer, this electromagnetic heater includes solenoid and metal by magnet, can produce high frequency magnetic field, make metal be subject to magnetic field induction to generate heat by magnet, provide heat energy for reformer chamber after described solenoid input high frequency voltage.
Being provided with combustor in described reformer, the hydrogen that described combustor prepares for part burns in a combustion chamber, and the operation for reformer chamber provides heat energy.
Described hydrogen purification apparatus is membrane separation device, and this membrane separation device is the membrane separation device at porous ceramic surface Vacuum Deposition palladium-silver, and film plating layer is palladium-silver, and the mass percent palladium of palladium-silver accounts for 75%-78%, and silver accounts for 22%-25%.
The fuel cell of described methanol-water reformation hydrogen production power generation module group includes cooling water circulation system, this cooling water circulation system is for carrying out radiating and cooling to fuel cell, this cooling water circulation system includes heat abstractor, at least two water pump, water container and water collector, described heat abstractor is positioned at fuel cell, water in described water container can under the driving effect of water pump, after water collector catchments, heat abstractor is entered from the water inlet of fuel cell, it is back to water container again from the outlet of fuel cell, described control device is electrically connected with described at least two water pump, to control each pump operation;This fuel cell produces in the process of electricity in electrochemical reaction, real-time temperature signal is fed back to control device, control device and control an appropriate number of pump operation according to real-time temperature signal, when real-time temperature is relatively low, control less pump operation, when real-time temperature is higher, control more pump operation, control the operational situation of water pump in device detecting real-time cooling water circulation system, when any one pump operation exception, control device controls this exception water pump and shuts down, and control a standby pump operation, or running speed accelerated by the water pump controlled in other operatings, with the discharge that compensation reduces because this exception water pump shuts down.
The fuel cell of described methanol-water reformation hydrogen production power generation module group includes wind cooling temperature lowering and air conveying system, this wind cooling temperature lowering and air conveying system include air filter and fan, air filter is positioned at the side of fuel cell, fan is positioned at the opposite side of fuel cell, under the driving of fan, outside air enters from fuel cell side after air filter filters, then discharges from fuel cell opposite side;Outside air is by, in the process of fuel cell, providing the oxygen required for electrochemical reaction for fuel cell, and be fuel cell radiating and cooling simultaneously.
For solving above-mentioned second technical problem, the technical scheme is that the method for supplying power to of peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system, comprise the following steps:
A. control device and peak of power consumption time period and low power consumption time period are set;
B. when civil power is in the peak of power consumption time period, control device and control electrical switch cut-out mains supply, and the electric power according to load controls proper amount of methanol water reformation hydrogen production and power generation module group operating, for load supplying, when the electric power of load is less, control device and control less methanol-water reformation hydrogen production and power generation module group operating, when the electric power of load is bigger, controls device and control more methanol-water reformation hydrogen production and power generation module group operating;
C. during civil power time period at a low ebb, control device and control methanol-water reformation hydrogen production and power generation module group shuts down, and control electrical switch and connect mains supply, for load supplying.
The described peak of power consumption time period is 8:00~22:00, and the low power consumption time period is 22:00~8:00.
The invention has the beneficial effects as follows: one, the power supply mode of methanol-water reformation hydrogen production power generation module group is combined by the present invention with mains-supplied mode, when civil power is in peak of power consumption, control device and control electrical switch cut-out mains supply, and the electric power according to load controls proper amount of methanol water reformation hydrogen production and power generation module group operating, for load supplying, when civil power is in low power consumption, control device control methanol-water reformation hydrogen production and power generation module group shuts down, and control electrical switch connection mains supply, for load supplying, therefore, the present invention can reduce the peak of power consumption load of electrical network, energy-saving and emission-reduction, peak load shifting, and the problem that mains failure can be prevented;Two, the methanol-water reformation hydrogen production power generation module group of the present invention adopts first alcohol and water to carry out reformation hydrogen production as raw material, compares water electrolysis hydrogen production mode, and its hydrogen production efficiency is very high, it is possible to instant namely with hydrogen manufacturing, it is not necessary to arranging hydrogen-storing device, safety is high;Three, the present invention adopts at least two group methanol-water reformation hydrogen production power generation module group, can greatly reduce zero load, and its overall power consumption is less, and first alcohol and water consumption of raw materials is relatively low, utilization rate is high;Such as, if the present invention arranges 5 groups of methanol-water reformation hydrogen production power generation module group, when instant load need for electricity amount is less, controls device and have only to control the operating of less methanol-water reformation hydrogen production power generation module group (such as 2 groups);When instant load need for electricity amount is bigger, controls device and then control more methanol-water reformation hydrogen production power generation module group (such as 4 groups) operating;Four, the present invention adopts at least two group methanol-water reformation hydrogen production power generation module group, when one group of methanol-water reformation hydrogen production power generation module group breaks down, other methanol-water reformation hydrogen production power generation module group can also run well, or the methanol-water reformation hydrogen production power generation module group replacement work being in holding state can be made, therefore, its stability and reliability is good, intelligent high, it is possible to prevent from causing power failure because of the paralysis of part methanol-water reformation hydrogen production power generation module group.
Accompanying drawing explanation
Fig. 1 is the overall structure block diagram of the present invention.
Fig. 2 is the structure block diagram of methanol-water reformation hydrogen production power generation module group.
Fig. 3 is the structure block diagram of methanol-water reformation hydrogen production power generation module group one preferred embodiment.
Fig. 4 is the structure block diagram of methanol-water reformation hydrogen production another preferred embodiment of power generation module group.
Fig. 5 is the structure block diagram of the fuel cell adopting cooling water circulation system.
Fig. 6 is the structure block diagram adopting wind cooling temperature lowering with the fuel cell of air conveying system.
Detailed description of the invention
It is described in further detail below in conjunction with the accompanying drawing structural principle to the present invention and operation principle.
Embodiment one
As depicted in figs. 1 and 2, a kind of peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system, including controlling device 1, methanol-water Storing and conveying device 2, at least two group methanol-water reformation hydrogen production power generation module group 3, power inverter 4, load 5 and electrical switch 6;Described control device 1 is all electrically connected with methanol-water Storing and conveying device 2, methanol-water reformation hydrogen production power generation module group 3, power inverter 4 and electrical switch 6 and controls its duty;Described methanol-water Storing and conveying device 2 is for carrying first alcohol and water raw material to methanol-water reformation hydrogen production power generation module group 3;Described methanol-water reformation hydrogen production power generation module group 3 includes reformer 31 and fuel cell 32, first alcohol and water raw material occurs reformation hydrogen production to react in reformer 31, and the hydrogen prepared enters fuel cell 32, in fuel cell 32, hydrogen and the oxygen generation electrochemical reaction in air, produce electric power output;Anode at fuel cell 32: 2H2→4H++4e-, H2Splitting into two protons and two electronics, proton is through PEM (PEM), and electronics passes through positive plate, by external loading, and enters cathode bipolar plate;Negative electrode at fuel cell 32: O2+4e-+4H+→2H2O, proton, electronics and O2Recombine to form H2O;Described power inverter 4 for being converted to the required appropriate voltage of load 5, the alternating current of electric current or unidirectional current by the electric energy that fuel cell 32 exports;Described electrical switch 6 is used for switching on or off mains supply;When described civil power is in peak of power consumption, control device 1 controls electrical switch 6 and cuts off mains supply, and the electric power according to load 5 controls proper amount of methanol water reformation hydrogen production and power generation module group 3 operates, and powers for load 5;When described civil power is in low power consumption, controls device 1 and control methanol-water reformation hydrogen production and power generation module group 3 shuts down, and control electrical switch 6 and connect mains supply, power for load 5.
As shown in Figure 3 and Figure 4, it is provided with reformer chamber 311 and hydrogen purification apparatus 312 in the reformer 31 of described methanol-water reformation hydrogen production power generation module group 3, temperature in reformer chamber 311 is 300-570 DEG C of temperature, it is provided with catalyst in reformer chamber 311, in reformer chamber 311, methanol and steam pass through catalyst under the pressure condition of 1-5MPa, under the effect of catalyst, there is the transformationreation of methanol decomposition reaction and carbon monoxide, generate hydrogen and carbon dioxide, this is the gas solid catalytic reaction system of component more than, many reactions, and reactional equation is: (1) CH3OH→CO+2H2、(2)H2O+CO→CO2+H2、(3)CH3OH+H2O→CO2+3H2, the H of reforming reaction generation2And CO2, reformer chamber 311 is connected by connecting line with hydrogen purification apparatus 312, and all or part of of connecting line is arranged at reformer chamber, can pass through the high temperature in reformer chamber 311 and continue the heating gas from reformer chamber 311 output;Described connecting line is as the buffering between reformer chamber 311 and hydrogen purification apparatus 312, make the temperature of gas from reformer chamber 311 output identical or close with the temperature of hydrogen purification apparatus 312, obtain hydrogen from the aerogenesis end of hydrogen purification apparatus 312, be supplied to fuel cell 32.
As shown in Figure 3 and Figure 4, described methanol-water reformation hydrogen production power generation module group 3 is integrated with heat exchanger 33, described heat exchanger 33 is installed on the conveyance conduit between methanol-water Storing and conveying device 2 and reformer 31, the first alcohol and water raw material of low temperature is in heat exchanger 33, carrying out heat exchange with the high-temperature hydrogen of reformer chamber 311 output, first alcohol and water material temperature raises, vaporization;The hydrogen of the aerogenesis end output of the hydrogen purification apparatus 312 of described reformer 31, after heat exchanger 33, temperature reduces, and re-supplies to fuel cell 32.Described methanol-water Storing and conveying device 2 includes methanol-water and stores container 21 and delivery pump 22, and methanol-water can be stored first alcohol and water feedstock transportation in container 21 to reformer 31 by delivery pump 22.
As shown in Figure 3, a kind of optimal way as methanol-water reformation hydrogen production power generation module group 2, described methanol-water reformation hydrogen production power generation module group 2 is integrated with converter 34, for low-frequency voltage or DC voltage are converted to electromagnetic heater 313 solenoid required for high frequency voltage, described converter 34 is provided with liquid cooling heat radiator 341, described methanol-water raw material, in the pumping procedure of delivery pump 22, flows through this liquid cooling heat radiator 341, makes the heat that converter 34 produces be taken away by methanol-water raw material;It is provided with electromagnetic heater 313 in described reformer 31, this electromagnetic heater 313 includes solenoid and metal by magnet, high frequency magnetic field can be produced after described solenoid input high frequency voltage, make metal be subject to magnetic field induction to generate heat by magnet, provide heat energy for reformer chamber 31.
As shown in Figure 4, as another optimal way of methanol-water reformation hydrogen production power generation module group 2, being provided with combustor in described reformer 31, the hydrogen that described combustor prepares for part burns in a combustion chamber, and the operation for reformer chamber 311 provides heat energy.
Described hydrogen purification apparatus 312 is membrane separation device, and this membrane separation device is the membrane separation device at porous ceramic surface Vacuum Deposition palladium-silver, and film plating layer is palladium-silver, and the mass percent palladium of palladium-silver accounts for 75%-78%, and silver accounts for 22%-25%.
As shown in Figure 5 and Figure 6, the fuel cell 32 of described methanol-water reformation hydrogen production power generation module group can adopt two kinds of cooling systems:
First kind of way, as shown in Figure 5, the fuel cell 32 of described methanol-water reformation hydrogen production power generation module group includes cooling water circulation system, this cooling water circulation system is for carrying out radiating and cooling to fuel cell 32, this cooling water circulation system includes heat abstractor (being positioned at fuel cell), at least two water pump 321, water container 322 and water collector 323, described heat abstractor is positioned at fuel cell 32, water in described water container 322 can under the driving effect of water pump 321, after water collector 323 catchments, heat abstractor is entered from the water inlet of fuel cell 32, it is back to water container 322 again from the outlet of fuel cell 32, described at least two water pump 321 is electrically connected with controlling device (not shown), operate controlling each water pump 321;This fuel cell 32 produces in the process of electricity in electrochemical reaction, real-time temperature signal is fed back to control device, control device to operate according to the real-time temperature signal an appropriate number of water pump 321 of control, when real-time temperature is relatively low, control less water pump 321 to operate, when real-time temperature is higher, control more water pump 321 to operate, control the operational situation of water pump 321 in device detecting real-time cooling water circulation system, when any one water pump 321 operates abnormal, control device controls this exception water pump 321 and shuts down, and control a standby water pump 321 and operate, or running speed accelerated by the water pump 321 controlled in other operatings, with the discharge that compensation reduces because this exception water pump 321 shuts down.
The second way, as shown in Figure 6, the fuel cell 32 of described methanol-water reformation hydrogen production power generation module group includes wind cooling temperature lowering and air conveying system, this wind cooling temperature lowering and air conveying system include air filter 324 and fan 325, air filter 324 is positioned at the side of fuel cell 32, and fan 325 is positioned at the opposite side of fuel cell 32, under the driving of fan 325, outside air enters from fuel cell 32 side after air filter 324 filters, then discharges from fuel cell 32 opposite side;Outside air, in the process by fuel cell 32, provides the oxygen required for electrochemical reaction for fuel cell 32, and is fuel cell 32 radiating and cooling simultaneously.
Embodiment two
Based on the method for supplying power to of the peak load shifting electric power system of methanol-water reformation hydrogen production electricity generation system, comprise the following steps:
A. control device and peak of power consumption time period and low power consumption time period are set, it is preferable that the peak of power consumption time period is 8:00~22:00, and the low power consumption time period is 22:00~8:00;
B. when civil power is in the peak of power consumption time period, control device and control electrical switch cut-out mains supply, and the electric power according to load controls proper amount of methanol water reformation hydrogen production and power generation module group operating, for load supplying, when the electric power of load is less, control device and control less methanol-water reformation hydrogen production and power generation module group operating, when the electric power of load is bigger, controls device and control more methanol-water reformation hydrogen production and power generation module group operating;
C. during civil power time period at a low ebb, control device and control methanol-water reformation hydrogen production and power generation module group shuts down, and control electrical switch and connect mains supply, for load supplying.
The above, be only better embodiment of the present invention, every any trickle amendment, equivalent variations and modification embodiment above made according to technical scheme, belongs in the scope of technical solution of the present invention.

Claims (10)

1. based on the peak load shifting electric power system of methanol-water reformation hydrogen production electricity generation system, it is characterised in that: include controlling device, methanol-water Storing and conveying device, at least two group methanol-water reformation hydrogen production power generation module group, power inverter, load and electrical switch;Described control device is all electrically connected with methanol-water Storing and conveying device, methanol-water reformation hydrogen production power generation module group, power inverter and electrical switch and controls its duty;Described methanol-water Storing and conveying device is for carrying first alcohol and water raw material to methanol-water reformation hydrogen production power generation module group;Described methanol-water reformation hydrogen production power generation module group includes reformer and fuel cell, first alcohol and water raw material occurs reformation hydrogen production to react in reformer, and the hydrogen prepared enters fuel cell, in fuel cell, hydrogen and the oxygen generation electrochemical reaction in air, produce electric energy output;Described power inverter is for being converted to the required appropriate voltage of load, the alternating current of electric current or unidirectional current by the electric energy that fuel cell exports;Described electrical switch is used for switching on or off mains supply;When described civil power is in peak of power consumption, controls device and control electrical switch cut-out mains supply, and the electric power according to load controls proper amount of methanol water reformation hydrogen production and power generation module group operating, for load supplying;When described civil power is in low power consumption, controls device control methanol-water reformation hydrogen production and power generation module group shuts down, and control electrical switch connection mains supply, for load supplying.
2. the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system according to claim 1, it is characterized in that: in the reformer of described methanol-water reformation hydrogen production power generation module group, be provided with reformer chamber and hydrogen purification apparatus, the temperature of reformer chamber is 300-570 DEG C of temperature, reformer chamber is provided with catalyst, first alcohol and water reacts prepared hydrogen-containing gas at the reformation hydrogen production of reformer chamber generation first alcohol and water, reformer chamber is connected by connecting line with hydrogen purification apparatus, the all or part of of connecting line is arranged at reformer chamber, the heating gas from reformer chamber output can be continued by the high temperature of reformer chamber;Described connecting line is as the buffering between reformer chamber and hydrogen purification apparatus so that identical or close with the temperature of hydrogen purification apparatus from the temperature of the gas of reformer chamber output, obtains hydrogen from the aerogenesis end of hydrogen purification apparatus, is supplied to fuel cell.
3. the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system according to claim 2, it is characterized in that: described methanol-water reformation hydrogen production power generation module group is integrated with heat exchanger, described heat exchanger is installed on the conveyance conduit between methanol-water Storing and conveying device and reformer, the first alcohol and water raw material of low temperature is in heat exchanger, carrying out heat exchange with the high-temperature hydrogen of reformer chamber output, first alcohol and water material temperature raises, vaporization;The hydrogen of the aerogenesis end output of the hydrogen purification apparatus of described reformer, after heat exchanger, temperature reduces, and re-supplies to fuel cell.
4. the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system according to claim 3, it is characterized in that: described methanol-water reformation hydrogen production power generation module group is integrated with converter, for low-frequency voltage or DC voltage are converted to electromagnetic heater solenoid required for high frequency voltage, described converter is provided with liquid cooling heat radiator, described methanol-water raw material is in the pumping procedure of delivery pump, flow through this liquid cooling heat radiator, make the heat that converter produces be taken away by methanol-water raw material;Being provided with electromagnetic heater in described reformer, this electromagnetic heater includes solenoid and metal by magnet, can produce high frequency magnetic field, make metal be subject to magnetic field induction to generate heat by magnet, provide heat energy for reformer chamber after described solenoid input high frequency voltage.
5. the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system according to claim 3, it is characterized in that: in described reformer, be provided with combustor, the hydrogen that described combustor prepares for part burns in a combustion chamber, and the operation for reformer chamber provides heat energy.
6. the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system according to claim 2, it is characterized in that: described hydrogen purification apparatus is membrane separation device, this membrane separation device is the membrane separation device at porous ceramic surface Vacuum Deposition palladium-silver, film plating layer is palladium-silver, the mass percent palladium of palladium-silver accounts for 75%-78%, and silver accounts for 22%-25%.
7. the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system according to claim 2, it is characterized in that: the fuel cell of described methanol-water reformation hydrogen production power generation module group includes cooling water circulation system, this cooling water circulation system is for carrying out radiating and cooling to fuel cell, this cooling water circulation system includes heat abstractor, at least two water pump, water container and water collector, described heat abstractor is positioned at fuel cell, water in described water container can under the driving effect of water pump, after water collector catchments, heat abstractor is entered from the water inlet of fuel cell, it is back to water container again from the outlet of fuel cell, described control device is electrically connected with described at least two water pump, to control each pump operation;This fuel cell produces in the process of electricity in electrochemical reaction, real-time temperature signal is fed back to control device, control device and control an appropriate number of pump operation according to real-time temperature signal, when real-time temperature is relatively low, control less pump operation, when real-time temperature is higher, control more pump operation, control the operational situation of water pump in device detecting real-time cooling water circulation system, when any one pump operation exception, control device controls this exception water pump and shuts down, and control a standby pump operation, or running speed accelerated by the water pump controlled in other operatings, with the discharge that compensation reduces because this exception water pump shuts down.
8. the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system according to claim 2, it is characterized in that: the fuel cell of described methanol-water reformation hydrogen production power generation module group includes wind cooling temperature lowering and air conveying system, this wind cooling temperature lowering and air conveying system include air filter and fan, air filter is positioned at the side of fuel cell, fan is positioned at the opposite side of fuel cell, under the driving of fan, outside air enters from fuel cell side after air filter filters, then discharges from fuel cell opposite side;Outside air is by, in the process of fuel cell, providing the oxygen required for electrochemical reaction for fuel cell, and be fuel cell radiating and cooling simultaneously.
9. in claim 1-8 described in any one based on the method for supplying power to of the peak load shifting electric power system of methanol-water reformation hydrogen production electricity generation system, it is characterised in that comprise the following steps:
A. control device and peak of power consumption time period and low power consumption time period are set;
B. when civil power is in the peak of power consumption time period, control device and control electrical switch cut-out mains supply, and the electric power according to load controls proper amount of methanol water reformation hydrogen production and power generation module group operating, for load supplying, when the electric power of load is less, control device and control less methanol-water reformation hydrogen production and power generation module group operating, when the electric power of load is bigger, controls device and control more methanol-water reformation hydrogen production and power generation module group operating;
C. during civil power time period at a low ebb, control device and control methanol-water reformation hydrogen production and power generation module group shuts down, and control electrical switch and connect mains supply, for load supplying.
10. the method for supplying power to of the peak load shifting electric power system based on methanol-water reformation hydrogen production electricity generation system described in claim 9, it is characterised in that: the described peak of power consumption time period is 8:00~22:00, and the low power consumption time period is 22:00~8:00.
CN201610189680.5A 2016-03-30 2016-03-30 Peak shaving and load shifting power supply system and method based on methanol water reforming hydrogen generation power generation system Pending CN105811443A (en)

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