CN107237687B - System for generating power by adopting biological urea - Google Patents
System for generating power by adopting biological urea Download PDFInfo
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- CN107237687B CN107237687B CN201710448425.2A CN201710448425A CN107237687B CN 107237687 B CN107237687 B CN 107237687B CN 201710448425 A CN201710448425 A CN 201710448425A CN 107237687 B CN107237687 B CN 107237687B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
- F02B2043/106—Hydrogen obtained by 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
- Y02P20/133—Renewable energy sources, e.g. sunlight
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a system for generating power by adopting biological urea, which comprises: the solar power supply is connected with the urea electrolytic tank through a three-core cable; the inlet end of the gas storage tank is connected with the top of the urea electrolytic tank through a pipeline, and the outlet end of the gas storage tank is connected with the gas engine through a pipeline; the input end of the generator is connected with the gas engine, and the output end of the generator is connected with the local power distribution box and the user power distribution box. The invention has the beneficial effects that: the direct current power supply obtained by solar photovoltaic power generation is used as an electrolytic power supply, so that energy is saved, and the system is safe and reliable; in the electrolysis state, seawater is introduced to make the urea solution alkaline, so that hydrogen is more easily generated during electrolysis, and the seawater is easily obtained; the nickel alloy is used as a catalyst to accelerate the electrolysis of the urea solution; the urine of human or animal is used, after the urea solution with a certain concentration is dehydrated, hydrogen is generated through electrolysis and is used as fuel to generate electricity, the urine is convenient and easy to obtain, and comprehensive new energy power generation is realized.
Description
Technical Field
The invention relates to the field of new energy power generation, in particular to a system for generating power by adopting biological urea.
Background
At present, the fossil fuel power generation, no matter coal, petroleum or natural gas, uses air as an oxidant, so that the amount of flue gas and tail gas is large, CO2 is difficult to recover, and the recovery cost is high even if the CO2 can be recovered. And a large amount of dust nitrogen oxides and sulfides in the flue gas are discharged into the air to cause environmental pollution.
The urine of human or animal contains urea and water as main components. The urea solution can generate hydrogen in an electrolytic state, and the hydrogen can be used as fuel to enable a gas engine to do work so as to drive a generator to generate electricity. However, how to implement a larger complete power generation system is not determined by detailed research.
Disclosure of Invention
In order to solve the above problems, it is an object of the present invention to provide a system for power generation using bio-urea,
the solar photovoltaic power generation is utilized to directly obtain a direct current power supply for electrolysis, and the comprehensive power generation of new energy and biological energy is completely realized.
The invention provides a system for generating power by using biological urea, which comprises:
the solar power supply is connected with the urea electrolytic tank through a three-core cable; the inlet end of the gas storage tank is connected with the top of the urea electrolytic tank through a pipeline, and the outlet end of the gas storage tank is connected with a gas engine through a pipeline; and the input end of the generator is connected with the gas engine.
As a further improvement of the invention, the urea electrolytic tank is internally provided with a positive electrode and a negative electrode, the bottom of the urea electrolytic tank is provided with a waste water discharge valve, the positive electrode is connected with the positive electrode of the direct current power supply in the three-core cable, the negative electrode is connected with the negative electrode of the direct current power supply in the three-core cable, the ground wire in the three-core cable is connected with the shell of the urea electrolytic tank, and the output end of the generator is connected with an on-site power distribution box and a user power distribution box.
As a further improvement of the invention, the lower end of the positive electrode is provided with a nickel alloy catalyst.
As a further improvement of the invention, a pressure gauge is arranged inside the gas storage tank.
As a further improvement of the invention, the lower part of one side of the urea electrolysis tank is provided with a urea dehydrator and a first flow meter, and the urea dehydrator, the first flow meter and the urea electrolysis tank are sequentially connected through a pipeline.
As a further improvement of the invention, a first wire mesh filter is arranged at the lower part of the other side of the urea electrolytic tank, a second flow meter is arranged between the outlet end of the first wire mesh filter and the urea electrolytic tank, the outlet end of the first wire mesh filter, the second flow meter and the urea electrolytic tank are sequentially connected through pipelines, and the inlet end of the first wire mesh filter is connected with seawater through a pipeline.
As a further improvement of the invention, a second screen filter, a dehydrator, a booster fan and a flame arrester are sequentially arranged between the gas storage tank and the gas engine, and the second screen filter, the dehydrator, the booster fan and the flame arrester are sequentially connected through pipelines.
As a further improvement of the invention, a switch box is arranged between the input end of the on-site power distribution box and the generator, a user power distribution box is arranged at the output end of the on-site power distribution box, and the switch box, the on-site power distribution box and the user power distribution box are sequentially connected through power cables.
As a further improvement of the present invention, the solar power supply includes:
the solar cell panel is connected with the lightning protection combiner box through a cable;
the input end of the controller is connected with the lightning protection header box through a three-core cable, the first output end of the controller is connected with the storage battery through a direct current cable, and the second output end of the controller is connected with the urea electrolysis tank through the three-core cable.
As a further improvement of the invention, the system for generating power by using biological urea further comprises a urea electrolysis power generation workshop and a solar photovoltaic power generation control room, wherein the solar photovoltaic power generation control room is arranged beside the urea electrolysis power generation workshop and is adjacently arranged, and the solar cell panel is arranged on the roof of the urea electrolysis power generation workshop.
The invention has the beneficial effects that ① uses a direct current power supply obtained by solar photovoltaic power generation as an electrolysis power supply, the energy is saved, the system is safe and reliable, ② introduces seawater to make the urea solution alkaline, the electrolysis is easier to be carried out, and the seawater is easy to obtain, ③ uses nickel alloy as a catalyst to accelerate the electrolysis of the urea solution, ④ uses urine of human or animal, the dehydrated urea solution is electrolyzed to generate hydrogen, the hydrogen obtained by electrolysis is used as fuel to generate power, the urine is convenient and easy to obtain, and the comprehensive new energy power generation is realized.
Drawings
FIG. 1 is a schematic diagram of a system for power generation using biological urea according to an embodiment of the present invention;
FIG. 2 is a floor plan of a system for power generation using biological urea according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a solar power generation system in a system for generating power by using biological urea according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a biological urea power generation building in a system for generating power using biological urea according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a biological urea power generation building in a system for generating power by using biological urea according to an embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. a solar power supply; 2. a urea dehydrator; 31. a first flow meter; 32. a second flow meter; 4. a urea electrolysis tank; 41. a positive electrode; 42. a negative electrode; 43. a nickel alloy catalyst; 44. a waste water discharge valve; 5. a first wire mesh filter; 6. a gas storage tank; 7. a pressure gauge; 8. a second wire mesh filter; 9. a dehydrator; 10. a booster fan; 11. a flame arrestor; 12. a gas engine; 13. a generator; 14. a switch box; 15. an on-site power distribution box; 16. a user power distribution box; 17. a solar photovoltaic power generation control room; 18. a storage battery; 19. a lightning protection combiner box; 20. a controller; 21. a urea electrolysis power generation workshop; 22. a solar cell panel.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1 to 5, an embodiment of the present invention is a system for generating power using bio-urea, the system including:
the solar power supply 1 is connected with the urea electrolysis tank 4 through a three-core cable, and the solar power supply 1 provides power support for urea electrolysis in the urea electrolysis tank 4; the inlet end of the gas storage tank 6 is connected with the top of the urea electrolysis tank 4 through a pipeline, hydrogen generated after urea electrolysis in the urea electrolysis tank 4 is conveyed to the gas storage tank 6 through the pipeline to be stored, the outlet end of the gas storage tank 6 is connected with the gas engine 12 through the pipeline, and the hydrogen in the gas storage tank 6 enters the gas engine 12 to be combusted and do work; the input end of the generator 13 is connected with the gas engine 12, the output end of the generator 13 is connected with the local power distribution box 15, hydrogen is combusted in the gas engine 12 to do work so as to drive the generator 13 to generate electricity, and the electricity generated by the generator 13 is transmitted to the local power distribution box 15 and the user power distribution box 16 to be distributed.
Further, a positive electrode 41 and a negative electrode 42 are arranged inside the urea electrolysis tank 4, a waste water discharge valve 44 is arranged at the bottom of the urea electrolysis tank 4, the positive electrode 41 is connected with the positive electrode of the direct current power supply in the three-core cable, the negative electrode 42 is connected with the negative electrode of the direct current power supply in the three-core cable, and the ground wire in the three-core cable is connected with the shell of the urea electrolysis tank 4 in a grounding manner. The anode 41 and the cathode 42 are respectively subjected to electrolysis reaction after being electrified: 6H2O+6e-=31H2+6OH-，CO(NH2)2+8OH--6e-=CO31 2-+N2+6H2O, the main product is hydrogen. The shell of the urea electrolysis tank 4 is grounded, so that the occurrence of accidents can be effectively ensured to be safely avoided.
Further, a nickel alloy catalyst 43 is disposed at the lower end of the positive electrode 41, and the nickel alloy catalyst 43 can accelerate the electrolytic reaction.
Further, 6 inside pressure gauges 7 that are equipped with of gas storage tank, pressure gauge 7 can the hydrogen storage capacity in the gas storage tank 6 of real time monitoring, avoid accidents such as explosion.
Further, the lower part of one side of the urea electrolysis tank 4 is provided with a urea dehydrator 2 and a first flow meter 31, and the urea dehydrator 2, the first flow meter 31 and the urea electrolysis tank 4 are sequentially connected through a pipeline. The urea dehydrator 2 is used for removing water contained in biological urine to ensure the purity of the urea solution entering the urea electrolysis tank 4, and the first flow meter 31 is used for measuring the amount of the urea solution entering the urea electrolysis tank 4.
Further, 4 opposite side lower parts of urea electrolysis jar are equipped with silk screen filter 5 No. one, and are equipped with flowmeter 32 No. two between 5 exit ends of silk screen filter and the urea electrolysis jar 4, and 5 exit ends of silk screen filter, flowmeter 32 No. two and urea electrolysis jar 4 connect gradually through the pipeline, and 5 entry ends of silk screen filter pass through the pipeline and are connected with the sea water. The first wire mesh filter 5 filters the seawater to remove impurities, and then the seawater is conveyed to the urea electrolysis tank 4, and the amount of the seawater conveyed to the urea electrolysis tank 4 is monitored by a second flow meter 32. The filtered seawater is mixed with the urea solution in the urea electrolytic tank 4, so that the mixed solution is alkaline, and the electrolytic reaction is more favorably carried out.
Further, a second screen filter 8, a dehydrator 9, a booster fan 10 and a flame arrester 11 are sequentially arranged between the gas storage tank 6 and the gas engine 12, and the second screen filter 8, the dehydrator 9, the booster fan 10 and the flame arrester 11 are sequentially connected through pipelines. Hydrogen in the gas storage tank 6 sequentially enters a second silk screen filter 8 for filtering; entering a dehydrator 9 for dehydration; entering a booster fan 10 to increase the pressure; entering flame arrestor 11 to prevent hydrogen combustion; and finally enters the gas engine 12 to perform combustion work.
Further, a switch box 14 is arranged between the input end of the on-site power distribution box 15 and the power generator 13, a user power distribution box 16 is arranged at the output end of the on-site power distribution box 15, and the switch box 14, the on-site power distribution box 15 and the user power distribution box 16 are sequentially connected through power cables. The switch box 14 can realize the disconnection and the connection between the generator 13 and the local power distribution box 15 and the user power distribution box 16, and the electricity generated by the generator 13 is distributed to the local power distribution box 15 and the user power distribution box 16 for distribution and transportation according to the electricity demand.
Further, the solar power supply 1 includes: a solar panel 22 connected to the lightning protection junction box 19 by a cable; the input end of the controller 20 is connected with the lightning protection header box 19 through a three-core cable, the first output end of the controller 20 is connected with the storage battery 18 through a direct current cable, and the second output end of the controller 20 is connected with the urea electrolysis tank 4 through the three-core cable. The solar panel 22 converts the solar energy into electric energy, a part of the electric energy is supported by the power supply of the urea electrolysis in the urea electrolysis tank 4, and the rest of the electric energy is transmitted to the storage battery 18 for storage.
Further, the system for generating power by adopting biological urea further comprises a urea electrolysis power generation workshop 21 and a solar photovoltaic power generation control room 17, wherein the solar photovoltaic power generation control room 17 is arranged inside the urea electrolysis power generation workshop 21.
The solar power source 1 in the solar power system comes from a solar cell panel 22 on the roof of a plant 21 of the urea electrolysis plant. The lightning protection combiner box 19 is arranged in the solar photovoltaic power generation control room 17 adjacent to the urea electrolysis power generation workshop 21, and the storage battery 18 and the controller 20 are also arranged in the solar photovoltaic power generation control room 17. The solar power supply 1 led out through the controller 20 is supplied to the positive electrode 41 and the negative electrode 42 in the urea electrolytic tank 4 to perform an electrolytic reaction of urea.
The urea power generation system is arranged in a urea electrolysis power generation workshop 21, and the urea electrolysis power generation workshop 21 is arranged in a place which is not far away from the sea edge, so that seawater can be introduced conveniently. The main components of the urine are urea and water, the urea dehydrator 2 removes the water in the urine, the purity of the dehydrated urea solution is improved, the urea solution enters a urea electrolytic tank 4 and is mixed with seawater filtered by a first wire mesh filter 5 to form an alkaline solution, so that the electrolytic reaction is easier to carry out, the alkaline urea solution is subjected to electrolytic reaction, and the electrolytic reaction at the anode 41, namely the cathode of the electrolytic reaction is 6H2O+6e-=31H2+6OH-The electrolytic reaction occurring at the negative electrode 42, i.e., the anode of the electrolytic reaction, is CO (NH)2)2+8OH--6e-=CO31 2-+N2+6H2And O. The main product hydrogen that electrolytic reaction obtained is stored in gas storage tank 6, hydrogen in the gas storage tank 6 filters through No. two silk screen filter 8 in proper order, hydroextractor 9 further dewaters, booster fan 10 pressure boost, spark arrester 11 is fire-retardant, later get into combustion work in the gas engine 12, thereby drive generator 13 electricity generation, the electricity that sends leads behind switch box 14 to on-the-spot power distribution box 15, carry each user with the electric energy distribution through user power distribution box 16 according to the power consumption demand at last.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A biological urea power plant, characterized by comprising:
the solar energy power supply (1) is connected with the urea electrolytic tank (4) through a three-core cable, the lower part of one side of the urea electrolytic tank (4) is provided with a urea dehydrator (2) and a flow meter (31), the urea dehydrator (2), the flow meter (31) and the urea electrolytic tank (4) are sequentially connected through a pipeline, the lower part of the other side of the urea electrolytic tank (4) is provided with a screen filter (5), a second flow meter (32) is arranged between the outlet end of the screen filter (5) and the urea electrolytic tank (4), the outlet end of the screen filter (5), the second flow meter (32) and the urea electrolytic tank (4) are sequentially connected through a pipeline, and the inlet end of the screen filter (5) is connected with seawater through a pipeline;
the inlet end of the gas storage tank (6) is connected with the top of the urea electrolysis tank (4) through a pipeline, and the outlet end of the gas storage tank (6) is connected with the gas engine (12) through a pipeline;
and the input end of the generator (13) is connected with the gas engine (12), and the output end of the generator (13) is connected with an on-site power distribution box (15).
2. The biological urea power generation device according to claim 1, characterized in that a positive electrode (41) and a negative electrode (42) are arranged inside the urea electrolysis tank (4), a waste water discharge valve (44) is arranged at the bottom of the urea electrolysis tank (4), the positive electrode (41) is connected with a positive electrode of a direct current power supply in the three-core cable, the negative electrode (42) is connected with a negative electrode of the direct current power supply in the three-core cable, and a ground wire in the three-core cable is connected with a shell of the urea electrolysis tank (4) and grounded.
3. The biological urea power plant according to claim 2, characterized in that a nickel alloy catalyst (43) is provided at the lower end of the positive electrode (41) inside the urea electrolysis tank (4).
4. A plant according to claim 1, characterized in that said gas tank (6) is internally provided with a pressure gauge (7).
5. The biological urea power generation device according to claim 1, wherein a second mesh filter (8), a dehydrator (9), a booster fan (10) and a flame arrester (11) are sequentially arranged between the gas storage tank (6) and the gas engine (12), and the second mesh filter (8), the dehydrator (9), the booster fan (10) and the flame arrester (11) are sequentially connected through a pipeline.
6. The bio-urea power plant according to claim 1, wherein a switch box (14) is provided between the input end of the on-site power distribution box (15) and the power generator (13), a user power distribution box (16) is provided at the output end of the on-site power distribution box (15), and the switch box (14), the on-site power distribution box (15) and the user power distribution box (16) are sequentially connected through a power cable.
7. The biological urea power plant according to claim 1, characterized in that the solar power source (1) comprises:
a solar cell panel (22) connected to the lightning protection junction box (19) by a cable;
the input end of the controller (20) is connected with the lightning protection header box (19) through a three-core cable, the first output end of the controller (20) is connected with the storage battery (18) through a direct current cable, and the second output end of the controller (20) is connected with the urea electrolysis tank (4) through the three-core cable.
8. The bio-urea power plant according to claim 7, further comprising a urea electrolysis power plant (21) and a solar photovoltaic power generation control room (17), wherein the solar photovoltaic power generation control room (17) is arranged inside the urea electrolysis power plant (21), and the solar cell panel (22) is arranged on the roof of the urea electrolysis power plant (21).
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| CN108374181B (en) * | 2018-04-10 | 2024-01-12 | 中国华能集团清洁能源技术研究院有限公司 | System and method for wastewater treatment and coal liquefaction hydrogen supply by urea electrolysis |
| CN108390085A (en) * | 2018-04-10 | 2018-08-10 | 中国华能集团清洁能源技术研究院有限公司 | A kind of electrolysis urea hydrogen manufacturing is used for the system and method for fuel cell car |
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| CN205911995U (en) * | 2016-08-08 | 2017-01-25 | 苏州瀚德能源科技有限公司 | Energy power generation facility of utilization is adjusted mutually to solar energy and hydrogen energy |
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| US6311648B1 (en) * | 2000-02-22 | 2001-11-06 | Jean-Louis Larocque | Hydrogen-oxygen/hydrocarbon fuel system for internal combustion engine |
| US7140187B2 (en) * | 2002-04-15 | 2006-11-28 | Amendola Steven C | Urea based composition and system for same |
| CN200985827Y (en) * | 2006-12-14 | 2007-12-05 | 张发恩 | Gas engine with hydrogen generated by electrolyzing water as energy sources directly |
| CN101210543A (en) * | 2006-12-27 | 2008-07-02 | 邢亚萍 | Wind power generating equipment with arc light hydrogen carbon composite general fuel production device |
| CN202030521U (en) * | 2010-12-20 | 2011-11-09 | 苏州竞立制氢设备有限公司 | Purifying and recovering system for byproduct hydrogen in chlor-alkali industry |
| KR20170007504A (en) * | 2017-01-09 | 2017-01-18 | (주)얼라이드 테크 파인더즈 | Apparatus for energy management |
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