CN107022768A - The system that a kind of utilization thermal power plant peak regulation electric power passes through alkaline electrolytic bath hydrogen manufacturing - Google Patents
The system that a kind of utilization thermal power plant peak regulation electric power passes through alkaline electrolytic bath hydrogen manufacturing Download PDFInfo
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- CN107022768A CN107022768A CN201710394063.3A CN201710394063A CN107022768A CN 107022768 A CN107022768 A CN 107022768A CN 201710394063 A CN201710394063 A CN 201710394063A CN 107022768 A CN107022768 A CN 107022768A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02P90/40—Fuel cell technologies in production processes
Abstract
It the present invention relates to the use of system of thermal power plant's peak regulation electric power by alkaline electrolytic bath hydrogen manufacturing.Including sending power transformation and electrolyzer with electricity system, alkaline electrolytic bath hydrogen generating system, electrolytic cell cooling water waste heat recovering system, pure water preparation and water charging system, Hydrogen collection purification and external induction system, described send power transformation and electrolyzer with electricity system to be powered under the control of level of factory peak load regulation network control system to alkaline electrolytic bath hydrogen generating system, condensing water conduit of the cooling water of electrolytic cell after plant condenser, the waste heat of recovery heats up for cooling water.The present invention is improved efficiency by condensate cool electrolysis cells, is reduced indirectly and abandon wind, abandon optical quantum using thermal power plant's peak regulation electric power electrolytic hydrogen production, and the Peak Load of preciousness is provided for power network.
Description
Technical field
The present invention relates to field of hydrogen generation, more particularly to electrolytic hydrogen production and thermal power plant's flexibility Peak Shaving.
Background technology
In recent years, it is rich in Chinese three northern areas of China electricity market capacity, combustion engine, water-storage etc. can peaking power source it is rare,
It is particularly thorny between peak load regulation network and fired power generating unit flexibility, power network dissolve the new energy such as wind-powered electricity generation, photoelectricity and nuclear power ability not
Foot, wind-abandoning phenomenon is serious.Cogeneration units " electricity determining by heat " mode is run, and peak modulation capacity is only 10% or so.Peak regulation is difficult
Through as distinct issues the most in operation of power networks.The transformation of country's thermoelectricity flexibility peak regulation is directed to Winter heat supply unit at present,
Summer, how peak regulation was a problem of the pendulum in face of numerous thermal power plants.In order to meet peaking demand of power grid, and power plant is swashing
Living necessities in strong competition, depth peak regulation is imperative.
The hydrogen annual production of current China has exceeded ten million ton of scale, occupies the first in the world.Plant-scale hydrogen production process is main
Including methane steam reforming and water electrolysis hydrogen production, the yield of wherein water electrolysis hydrogen production accounts for world's hydrogen total output 4%.Although first
Alkane steam reformation is hydrogen production process most economical at present, but it not only consumes a large amount of fossil fuels, and production in process of production
Raw great amount of carbon dioxide.Electrolysis hydrogen producing process process is simple, and product purity is high, comes by using regenerative resource as energy
Source, can show the efficient of hydrogen, cleaning, extensive preparation, and the technology can be used for CO2Emission reduction and conversion, with more wide
Wealthy development prospect.
Current water electrolysis hydrogen production method mainly has three kinds：Electrolyzed alkaline water hydrogen manufacturing, solid polymer electrolytic water hydrogen manufacturing, and high temperature
Solid oxide electrolyte water hydrogen manufacturing.Electrolyzed alkaline water hydrogen manufacturing is hydrogen production process highly developed at present, so far, industrial big
The water electrolysis hydrogen production of scale is essentially all that, using alkaline electrolysis hydrogen producing technology, this method technical process is simple, it is easy to operate.Electricity
The main energy consumption for solving hydrogen manufacturing is electric energy, and every cubic metre of hydrogen power consumption is about 4.5~5.5kWh, and the electricity charge account for whole electrolytic hydrogen production production
80% or so of cost.Therefore, water electrolysis hydrogen production technology is particularly suitable for use in the energy load of the renewable energy power generations such as wind-power electricity generation
Body.Many prior arts utilize electrolyzed alkaline water process for making hydrogen, the patent introduction of such as Application No. 200910027704.7 at present
A kind of new system for producing hydrogen by electrolyzing pure water under middle.But these existing inventions and technology not by electrolytic hydrogen production system with
The flexibility peak regulation and cooling water system of thermal power plant are combined, and the hydrogen of output only compresses transport with steel cylinder, it is impossible to maximized
Production.
The content of the invention
The invention provides the system that a kind of electrolytic hydrogen production is combined with thermal power plant flexibility peak regulation, by by electrolytic hydrogen production with
The flexibility peak regulation of thermal power plant is combined, and the clean energy resource electric energy such as indirect utilization large-scale wind electricity, photovoltaic comes electrolytic hydrogen production, Ke Yiquan
Year four seasons solve to abandon wind, abandon light, abandon water, abandon core etc. and abandon clean energy resource power generation issues, and valuable Peak Load is provided for power network,
Meanwhile, the Hydrogen Energy of production easily can be stored and transported, and can also be directly mixed in existing gas distributing system or directly to export trade
Sell, increase the effectiveness of operation in existing thermal power plant, extend its following living space.
The scheme that present invention solution above-mentioned technical problem is used is that one kind passes through alkaline electro using thermal power plant's peak regulation electric power
The system of groove hydrogen manufacturing is solved, including level of factory peak load regulation network control system, send power transformation and electrolyzer with electricity system, alkaline electrolytic bath hydrogen manufacturing
System, electrolytic cell cooling water waste heat recovering system, pure water are prepared and water charging system, Hydrogen collection purification and external delivery system
System, described send power transformation and electrolyzer with electricity system to be to increase an interval newly on power plant's outlet bus, described to be arranged at intervals electricity
Switch, the electric switch is connected with the step-down transformer and inverter that are arranged on power transmission electric network, step-down transformer and inverter
The other end is connected with alkaline electrolytic bath hydrogen generating system；In the electrolytic cell cooling water waste heat recovering system, cooling water pipeline
It is connected with condensing water conduit, cooling water source is the condensate that plant condenser is exported.
Preferably, the peak load regulation network control system includes grid dispatching center and centralized control center of power plant, dispatching of power netwoks
Real-Time Scheduling is carried out centrally through electricity volume service condition, scheduling signals centralized control center of power plant is transferred to, in power plant's collection control
The heart assigns peak load regulation network instruction, by sending the electric switch of power transformation and electrolyzer with electricity system to carry out peak load regulation network described in control.
Any of the above-described scheme is preferably, and the peak load regulation network control system is connected with thermal power plant electric power system, the fire
Power plant's electric power system includes boiler, steam turbine and generator.The boiler produces steam by burning fuel, and the steam passes through
Pipeline drives electrical power generators, the power Transmission sent is arrived to steam turbine and driving steam turbine rotation after steam turbine rotation
On power plant's outlet bus.
Any of the above-described scheme is preferably, the peak regulation period, the electric switch closure, and thermal power plant's electric power, which enters, send power transformation and electricity
Groove electric power system is solved, is that hydrogen manufacturing is powered, conveys hydrogen manufacturing electricity and controlled by peak load regulation network control system；The non-peak regulation period,
The electric switch is opened, and thermal power plant's power Transmission is boosted to power plant's booster stations, then online of transmitting electricity.
Any of the above-described scheme is preferably, and the alkaline electrolytic bath hydrogen generating system includes one or more hydrogen-oxygens and separates alkalescence
Electrolytic cell, externally electrolytic cell one end connection Hydrogen collection purification and induction system, other end connection oxygen gas water separation tank
With add alkali tank.The oxygen gas water separation tank and add the alkali tank other end be connected with oxygen clean tank, the oxygen clean tank and oxygen
Gas collection device or the connection of oxygen emptier.
Any of the above-described scheme is preferably, and the electrolytic cell sets power interface, the power interface and the inverter
Connection.
Any of the above-described scheme is preferably, and the electrolytic cell also sets up sewage draining exit, and the sewage draining exit is connected with blow-off line,
Blowoff valve is set on the blow-off line.
Any of the above-described scheme is preferably, and the electrolyte bath includes negative electrode, anode, barrier film and electrolyte.
Any of the above-described scheme is preferably, and the electrolyte includes potassium hydroxide solution, and concentration is 20wt%~30wt%.
Any of the above-described scheme is preferably, and the barrier film constituent includes asbestos.
Any of the above-described scheme is preferably, and the negative electrode, anode constituent include metal alloy, including the metal is closed
Gold includes Raney's nickel, Ni-Mo alloys, for decomposition water, produces hydrogen and oxygen.
Any of the above-described scheme is preferably, and the Hydrogen collection purification and external induction system include hydrogen gas water separation tank
With add alkali tank, flush of hydrogen gas tank and drain sump, surge tank, mixing device, skid tank car, fuel cell and gas ductwork.
Any of the above-described scheme is preferably, the hydrogen gas water separation tank and plus alkali tank and flush of hydrogen gas tank and drain sump company
Connect, connect surge tank after the flush of hydrogen gas tank and drain sump, the surge tank is connected by gas pipeline with mixing device, institute
Mixing device is stated to set in gas vent, with hydrogen cylinder, skid tank car, fuel cell generation, existing gas ductwork extremely
A kind of few connection.Hydrogen after compression can be filled into high pressure skid-mounted tank car, or compressed filling enters hydrogen cylinder, can be used in pair
It is outer to sell.Easily it can store and transport by the Hydrogen Energy with upper type, production, existing natural gas tube can also be directly mixed in
Net is directly for sale, increases the effectiveness of operation in existing thermal power plant, extends its following living space.
Any of the above-described scheme is preferably, and the mixing proportion of hydrogen is less than 20% in the gas ductwork.
Any of the above-described scheme is preferably, and described fuel cell generation includes large-scale fuel cell power plant or car
Carry fuel cell.The large-scale fuel cell power plant produces electric energy by the use of hydrogen as fuel.The on-vehicle fuel is used
In the battery car using Hydrogen Energy as fuel.
Any of the above-described scheme is preferably, the hydrogen gas water separation tank and add alkali tank be connected with cooling water pipeline,
Tank body sets cooling water inlet and outlet, and cooling water enters tank interior recovery waste heat.
Any of the above-described scheme is preferably, the oxygen gas water separation tank and add alkali tank be connected with cooling water pipeline,
Tank body sets cooling water inlet and outlet, and cooling water enters tank interior recovery waste heat.
Any of the above-described scheme is preferably, and the flush of hydrogen gas tank and drain sump are connected with pure water water pipe, tank body
Moisturizing entrance is set.
Any of the above-described scheme is preferably, and the oxygen clean tank is connected with pure water water pipe, and tank body sets moisturizing
Entrance.
Any of the above-described scheme is preferably, and the electrolytic cell cooling water waste heat recovering system includes condenser, oxygen-eliminating device, height
Press heater, low-pressure heater, cooling water pipeline, CWR road and multiple threeways.
Any of the above-described scheme is preferably, and exhaust steam in steam turbine forms condensate after being cooled down through condenser and enters condensate pipe
Road, the condensing water conduit end sets a threeway A, and the another two ends of threeway A connect cooling water pipeline and low respectively
Press heater.
Any of the above-described scheme is preferably, the connection threeway of outlet pipeline the end B, the threeway B of the low-pressure heater
Another two ends connect oxygen-eliminating device and CWR road respectively.
Any of the above-described scheme is preferably, and the oxygen-eliminating device connects turbine high-pressure extraction line, also by feed pump with
High-pressure heater is connected, and the high-pressure heater is connected with boiler.
Any of the above-described scheme is preferably, and condensate can be directly entered after low-pressure heater heating by threeway A controls,
It is sent in oxygen-eliminating device, the water in oxygen-eliminating device is evacuated to after high-pressure heater is heated through feed pump and is sent to boiler.
Any of the above-described scheme is preferably, and condensate can also be turned into by threeway A controls into cooling water pipeline
The cooling water of electrolytic cell cooling water waste heat recovering system, cooling water, which enters hydrogen gas water separation tank and added in alkali tank, absorbs waste heat,
Cooling water after heating through pipeline to oxygen gas-water separation and plus alkali tank absorb waste heat again, by the cooling of secondary heating
Water flows into CWR road, flows through threeway B and enters oxygen-eliminating device.
Any of the above-described scheme is preferably, prepared by the pure water and water charging system is included between power plant chemistry water treatment vehicle,
Pure water preparing device, small pump and pure water water pipe, the pure water water pipe and oxygen clean tank, flush of hydrogen gas
Tank and drain sump connection.
Any of the above-described scheme is preferably, and the purified water flowed out between the power plant chemistry water treatment vehicle is prepared into pure water
Device, then pressurizeed through small pump, oxygen clean tank, flush of hydrogen gas tank and drain sump are entered by pure water water pipe.
The present invention consumes a large amount of electricity in peak valley peak regulation by the way that electrolytic hydrogen production is combined with the flexibility peak regulation of thermal power plant
Hydrogen manufacturing is measured, the electricity volume of clean energy resource is added, the clean energy resource electric energy such as indirect utilization large-scale wind electricity, photovoltaic is electrolysed system
Hydrogen, can solve to abandon wind the annual four seasons, abandon light, abandon water, abandon core etc. and abandon clean energy resource power generation issues, provide valuable for power network
Peak Load.Meanwhile, the condensate that the cooling water of hydrogen generating system is produced from thermal power plant's electricity generation system, hydrogen, oxygen air water point
From needing cooling water to take away heat during alkali with adding, this part of waste heat is heated to cooling water, can effectively improve heat energy
Utilization ratio, instead of the link that the original low-pressure heater of thermal power plant is heated to condensate, realizes the Multi-class propagation of the energy.
The Hydrogen Energy produced in the present invention easily can be stored and transported, can also be directly mixed in existing gas distributing system or
It is directly for sale, increase the effectiveness of operation in existing thermal power plant, extend its following living space.
Brief description of the drawings
The one of the system that Fig. 1 passes through alkaline electrolytic bath hydrogen manufacturing for the utilization thermal power plant peak regulation electric power according to the present invention is preferred
The schematic diagram of embodiment.
Illustrate：
1- peak load regulation network control systems, 2- grid dispatching centers, centralized control center of 3- power plant, 4- booster stations, 5- electric switches, 6- generates electricity
Machine, 7- steam turbines, 8- boilers, 9- condensers, 10- condensing water conduits, 11- low-pressure heaters, 12- oxygen-eliminating devices, 13- hyperbaric heatings
Device, 14- cooling water pipelines, 15- CWRs road, 16- threeways A, 17- threeway B, 18- inverter, 19- hydrogen-oxygens point
From alkaline electrolytic bath, 20- oxygen gas water separation tank and plus alkali tank, 21- oxygen clean tanks, 22- blowoff valves, 23- hydrogen air water point
From tank and plus alkali tank, 24- flush of hydrogen gas tank and drain sump, 25- surge tanks, 26- mixing devices, 27- skid tank cars, 28- fuel
Between battery generating system, 29- gas ductworks, 30- power plant chemistry water treatment vehicles, 31- pure water preparing devices, 32- small pumps,
33- pure water water pipes.
Embodiment
In order to be further understood that the content of the invention of the present invention, more detailed is made to the present invention below in conjunction with specific embodiment
Thin description, embodiment only has exemplary effect to the present invention, without any restricted effect；Any this area skill
The insubstantial modifications that art personnel make on the basis of the present invention, should all belong to the scope of protection of the invention.
Embodiment 1
In the peak regulation period of night low power consumption, as shown in figure 1, a kind of pass through alkaline electrolytic bath system using thermal power plant's peak regulation electric power
The system of hydrogen, including level of factory peak load regulation network control system, send power transformation and electrolyzer with electricity system, alkaline electrolytic bath hydrogen generating system,
Electrolytic cell cooling water waste heat recovering system, pure water are prepared and water charging system, Hydrogen collection purification and external induction system, described
Send power transformation and electrolyzer with electricity system be on power plant's outlet bus increase newly one interval, it is described interval setting electric switch 5, institute
State step-down transformer and inverter 18 of the electric switch 5 with being arranged on power transmission electric network to be connected, step-down transformer and inverter 18 are another
One end is connected with alkaline electrolytic bath hydrogen generating system；In the electrolytic cell cooling water waste heat recovering system, cooling water pipeline 14
It is connected with condensing water conduit 10, cooling water source is the condensate that plant condenser 9 is exported.
In the present embodiment, the peak load regulation network control system includes grid dispatching center 2 and centralized control center of power plant 3, electricity
Net control centre 2 and Real-Time Scheduling is carried out by electricity volume service condition, scheduling signals are transferred to centralized control center of power plant 3, electricity
Peak load regulation network instruction is assigned by centralized control center of factory 3, by sending the electric switch 5 of power transformation and electrolyzer with electricity system to carry out electricity described in control
Net peak regulation.
In the present embodiment, the peak load regulation network control system is connected with thermal power plant electric power system, and the thermal power plant powers
System includes boiler 8, steam turbine 7 and generator 6.The boiler 8 produces steam by burning fuel, and the steam passes through pipeline
It is transported to steam turbine 7 and driving steam turbine 7 is rotated, driving generator 6 is generated electricity after steam turbine 7 is rotated, and the power Transmission sent is arrived
On power plant's outlet bus.
In the present embodiment, the peak regulation period of night low power consumption, the electric switch 5 is closed, and thermal power plant's electric power, which enters, to be sent
Power transformation and electrolyzer with electricity system, are that hydrogen manufacturing is powered, and convey hydrogen manufacturing electricity and are controlled by peak load regulation network control system.
In the present embodiment, the alkaline electrolytic bath hydrogen generating system includes one or more hydrogen-oxygens separation alkaline electrolytic bath
19, described electrolytic cell one end connects Hydrogen collection purification and externally induction system, and the other end connects oxygen gas water separation tank and added
Alkali tank 20.The oxygen gas water separation tank and add the other end of alkali tank 20 be connected with oxygen clean tank 21, the oxygen clean tank 21
It is connected with oxygen collecting device or oxygen emptier.
In the present embodiment, the electrolytic cell sets power interface, and the power interface is connected with the inverter 18.Institute
State electrolytic cell and also set up sewage draining exit, the sewage draining exit is connected with blow-off line, blowoff valve 22 is set on the blow-off line.
In the present embodiment, the electrolyte bath includes negative electrode, anode, barrier film and electrolyte.The electrolyte includes
Potassium hydroxide solution, concentration is 20wt%~30wt%.The barrier film constituent includes asbestos.The negative electrode, anode are constituted into
Dividing includes metal alloy, including the metal alloy includes Raney's nickel, Ni-Mo alloys, for decomposition water, produces hydrogen and oxygen.
In the present embodiment, the Hydrogen collection purification and external induction system include hydrogen gas water separation tank and plus alkali tank
23rd, flush of hydrogen gas tank and drain sump 24, surge tank 25, mixing device 26, skid tank car 27, fuel cell and gas ductwork 29.
In the present embodiment, the hydrogen gas water separation tank and add alkali tank 23 be connected with flush of hydrogen gas tank and drain sump 24,
Surge tank 25 is connected after the flush of hydrogen gas tank and drain sump 24, the surge tank 25 is connected by gas pipeline with mixing device 26
Connect, the mixing device 26 sets gas vent, with hydrogen cylinder, skid tank car 27, fuel cell generation 28, existing combustion gas
Connected respectively in pipe network 29.Hydrogen after compression can be filled into high pressure skid-mounted tank car 27, can also compressed filling enter hydrogen cylinder,
It can be used in externally sale.The mixing proportion of hydrogen is less than 20% in the gas ductwork 29.Described fuel cell generation
28 include large-scale fuel cell power plant or on-vehicle fuel.The large-scale fuel cell power plant is used as fuel by the use of hydrogen
Produce electric energy.The on-vehicle fuel is used for the battery car using Hydrogen Energy as fuel.
In the present embodiment, the hydrogen gas water separation tank and add alkali tank 23 be connected with cooling water pipeline 14, tank body
Cooling water inlet and outlet are set, and cooling water enters tank interior recovery waste heat.
In the present embodiment, the oxygen gas water separation tank and add alkali tank 20 be connected with cooling water pipeline 14, tank body
Cooling water inlet and outlet are set, and cooling water enters tank interior recovery waste heat.
In the present embodiment, the flush of hydrogen gas tank and drain sump 24 are connected with pure water water pipe 33, and tank body is set
Moisturizing entrance.
In the present embodiment, the oxygen clean tank 21 is connected with pure water water pipe 33, and tank body sets moisturizing entrance.
In the present embodiment, the electrolytic cell cooling water waste heat recovering system adds including condenser 9, oxygen-eliminating device 12, high pressure
Hot device 13, low-pressure heater 11, cooling water pipeline 14, CWR road 15 and multiple threeways.
In the present embodiment, condensate is formed after the exhaust steam of steam turbine 7 is cooled down through condenser 9 and enters condensing water conduit 10, institute
State the end of condensing water conduit 10 and one threeway A16 is set, the another two ends of threeway A16 connect the He of cooling water pipeline 14 respectively
Low-pressure heater 11.
In the present embodiment, outlet pipeline end connection the threeway B17, the threeway B17 of the low-pressure heater 11 are another
Two ends connect oxygen-eliminating device 12 and CWR road 15 respectively.
In the present embodiment, the connection of the oxygen-eliminating device 12 high pressure extraction pipeline of steam turbine 7, is also added by feed pump with high pressure
Hot device 13 is connected, and the high-pressure heater 13 is connected with boiler 8.
In the present embodiment, the peak regulation period, condensate enters cooling water pipeline 14 by threeway A16 controls turns into alkali
Property electrolytic cell hydrogen generating system cooling water, cooling water enter hydrogen gas water separation tank and plus alkali tank 23 in absorbs waste heat, after heating
Cooling water through pipeline to oxygen gas-water separation and plus alkali tank absorb waste heat again, cooling water by secondary heating is flowed into
CWR road 15, flows through threeway B17 into oxygen-eliminating device 12.
In the present embodiment, prepared by the pure water and water charging system includes 30, pure water between power plant chemistry water treatment vehicle
Preparation facilities 31, small pump 32 and pure water water pipe 33, the pure water water pipe 33 and oxygen clean tank 21, hydrogen
Washing tank and drain sump 24 are connected.
In the present embodiment, the purified water of 30 outflows enters pure water preparing device between the power plant chemistry water treatment vehicle
31, then pressurizeed through small pump 32, oxygen clean tank 21, flush of hydrogen gas tank and drain sump are entered by pure water water pipe 33
24。
The present invention consumes a large amount of electricity in peak valley peak regulation by the way that electrolytic hydrogen production is combined with the flexibility peak regulation of thermal power plant
Hydrogen manufacturing is measured, the electricity volume of clean energy resource is added, the clean energy resource electric energy such as indirect utilization large-scale wind electricity, photovoltaic is electrolysed system
Hydrogen, can solve to abandon wind the annual four seasons, abandon light, abandon water, abandon core etc. and abandon clean energy resource power generation issues, provide valuable for power network
Peak Load.Meanwhile, the condensate that the cooling water of hydrogen generating system is produced from thermal power plant's electricity generation system, hydrogen, oxygen air water point
From needing cooling water to take away heat during alkali with adding, this part of waste heat is heated to cooling water, can effectively improve heat energy
Utilization ratio, instead of the link that the original low-pressure heater 11 of thermal power plant is heated to condensate, realize the multistage profit of the energy
With.
The Hydrogen Energy produced in the present invention easily can be stored and transported, can also be directly mixed in existing gas distributing system or
It is directly for sale, increase the effectiveness of operation in existing thermal power plant, extend its following living space.
Embodiment 2
Embodiment 2 is similar to Example 1, except that, when user needs in daytime or the non-peak regulation period of peak of power consumption, power network
Ask electricity larger, now hydrogen generating system is not run, the electric switch 5 is opened, and thermal power plant's power Transmission is carried out to power plant's booster stations 4
Boosting, then online of transmitting electricity.A part of condensate is directly entered after the heating of low-pressure heater 11 by threeway A16 controls, is sent to and is removed
In oxygen device 12, the water in oxygen-eliminating device 12 is evacuated to after high-pressure heater 13 is heated through feed pump is sent to boiler 8.Another part condensate
Control to enter cooling water of the cooling water pipeline 14 as electrolytic cell cooling water waste heat recovering system by threeway A16, participate in
Hydrogen and the gas-water separation of oxygen and add alkali that the peak regulation period has prepared, cooling water enters hydrogen gas water separation tank and plus alkali
Waste heat is absorbed in tank 23, the cooling water after heating is through pipeline to oxygen gas-water separation and adds alkali tank to absorb waste heat again, passes through
The cooling water for crossing secondary heating flows into CWR road 15, flows through threeway B17 into oxygen-eliminating device 12.
In non-peak regulation, the condensate that the cooling water of hydrogen generating system is produced from thermal power plant's electricity generation system, hydrogen, oxygen gas
Water separate and add alkali during need cooling water to take away heat, this part of waste heat is heated to cooling water, can effectively be improved
Utilization efficiency of heat energy, instead of the link that the original low-pressure heater 11 of thermal power plant is heated to condensate, realizes many of the energy
Level is utilized.
Although the present invention has shown and described referring particularly to its preferred embodiment, those skilled in the art can be with
Understand, the various changes in form and details can be made without departing from the model of the invention described in appended claims
Enclose.It is described in detail above in association with the specific embodiment of the present invention, but is not limitation of the present invention.It is every according to this hair
Bright technical spirit still falls within the scope of technical solution of the present invention to any simple modification made for any of the above embodiments.
Claims (10)
1. a kind of utilization thermal power plant peak regulation electric power passes through the system of alkaline electrolytic bath hydrogen manufacturing, including level of factory peak load regulation network control system
（1）, send power transformation and electrolyzer with electricity system, alkaline electrolytic bath hydrogen generating system, electrolytic cell cooling water waste heat recovering system, pure water
Prepare and water charging system, Hydrogen collection purification and external induction system, it is characterised in that：Described send power transformation and electrolyzer with electricity
System is to increase an interval, the interval setting electric switch newly on power plant's outlet bus（5）, the electric switch（5）With setting
Step-down transformer and inverter on power transmission electric network（18）Connection, step-down transformer and inverter（18）The other end and alkaline electro
Solve the connection of groove hydrogen generating system；In the electrolytic cell cooling water waste heat recovering system, cooling water pipeline（14）With condensate pipe
Road（10）Connection, cooling water source is plant condenser（9）The condensate of output.
2. utilization thermal power plant peak regulation electric power according to claim 1 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The peak load regulation network control system（1）Including grid dispatching center（2）With centralized control center of power plant（3）, grid dispatching center
（2）Real-Time Scheduling is carried out by electricity volume service condition, scheduling signals are transferred to centralized control center of power plant（3）, power plant's collection control
Center（3）Peak load regulation network instruction is assigned, by the electric switch that power transformation and electrolyzer with electricity system are sent described in control（5）Carry out power network
Peak regulation.
3. utilization thermal power plant peak regulation electric power according to claim 2 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The peak load regulation network control system（1）It is connected with thermal power plant electric power system, thermal power plant's electric power system includes boiler（8）、
Generator（7）And generator（6）.
4. utilization thermal power plant peak regulation electric power according to claim 3 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The boiler（8）Steam is produced by burning fuel, the steam is pipelined to generator（7）And drive generating
Machine（7）Rotate, generator（7）Generator is driven after rotation（6）Generate electricity, in the power Transmission sent to power plant's outlet bus.
5. utilization thermal power plant peak regulation electric power according to claim 2 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：Peak regulation period, the electric switch（5）Closure, thermal power plant's electric power, which enters, send power transformation and electrolyzer with electricity system, is that hydrogen manufacturing is supplied
Electricity；Non- peak regulation period, the electric switch（5）Open, thermal power plant's power Transmission to power plant's booster stations（4）Boosted, then transmitted electricity
Online.
6. utilization thermal power plant peak regulation electric power according to claim 1 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The alkaline electrolytic bath hydrogen generating system includes one or more hydrogen-oxygens and separates alkaline electrolytic bath（19）, described electrolytic cell one end
Connect Hydrogen collection purification and externally induction system, other end connection oxygen gas water separation tank and plus alkali tank（20）.
7. utilization thermal power plant peak regulation electric power according to claim 6 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The oxygen gas water separation tank and plus alkali tank（20）The other end and oxygen clean tank（21）Connection, the oxygen clean tank
（21）It is connected with oxygen collecting device or oxygen emptier.
8. utilization thermal power plant peak regulation electric power according to claim 6 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The electrolytic cell sets power interface, the power interface and the inverter（18）Connection.
9. utilization thermal power plant peak regulation electric power according to claim 8 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The electrolytic cell also sets up sewage draining exit, and the sewage draining exit is connected with blow-off line, and blowoff valve is set on the blow-off line
（22）.
10. utilization thermal power plant peak regulation electric power according to claim 9 is existed by the system of alkaline electrolytic bath hydrogen manufacturing, its feature
In：The electrolyte bath includes negative electrode, anode, barrier film and electrolyte.
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| CN201710394062.9A Pending CN107059042A (en) | 2017-04-11 | 2017-05-28 | A kind of thermal power plant's electric power passes through electrolytic cell hydrogen generating system |
| CN201710394063.3A Pending CN107022768A (en) | 2017-04-11 | 2017-05-28 | The system that a kind of utilization thermal power plant peak regulation electric power passes through alkaline electrolytic bath hydrogen manufacturing |
| CN201710394059.7A Pending CN107034480A (en) | 2017-04-11 | 2017-05-28 | The system that a kind of utilization thermal power plant peak regulation electric power passes through high-temp solid electrolytic cell hydrogen manufacturing |
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