CN113561824A - Integrative stake of hydrogenation charging and waste heat recovery system - Google Patents
Integrative stake of hydrogenation charging and waste heat recovery system Download PDFInfo
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- CN113561824A CN113561824A CN202110908654.4A CN202110908654A CN113561824A CN 113561824 A CN113561824 A CN 113561824A CN 202110908654 A CN202110908654 A CN 202110908654A CN 113561824 A CN113561824 A CN 113561824A
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- fuel cell
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 44
- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 239000002918 waste heat Substances 0.000 title claims description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 94
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 94
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000000446 fuel Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000000126 substance Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000002309 gasification Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 238000003487 electrochemical reaction Methods 0.000 abstract description 10
- 210000004027 cell Anatomy 0.000 description 27
- 150000002431 hydrogen Chemical class 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/54—Fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/02—Supplying fuel to vehicles; General disposition of plant in filling stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
- H01M8/04022—Heating by combustion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a hydrogenation and charging integrated pile, which comprises a liquid hydrogen storage tank, a hydrogenation device and a fuel cell assembly, wherein a hydrogenation chamber is connected with a hydrogenation pipe through the hydrogenation device, a hydrogen chemical chamber is communicated with the fuel cell assembly through a liquid hydrogen gasification device, the fuel cell assembly is connected with a charging module through an electrical assembly, the hydrogenation pile also comprises a connecting end used for being connected with a connecting hoop and a heat energy recovery device connected with the other end of the connecting end, and the heat energy recovery device receives hot gas of a closed furnace through the connecting end; the invention utilizes the overflowed hydrogen to directly combust so as to generate enough heat to position main heat, and the arranged heat energy recovery device can reduce the heat loss, thereby effectively ensuring that the electrochemical reaction is always at a higher proper temperature so as to improve the electrochemical reaction efficiency as much as possible.
Description
Technical Field
The invention relates to the field of hydrogenation, in particular to a hydrogenation and charging integrated pile and a waste heat recovery system.
Background
With the popularization of new energy automobiles, more and more electric automobiles are popularized and applied; among them, new energy vehicles such as electric vehicles powered by a battery and hydrogen fuel cell vehicles fueled by hydrogen gas are the most prominent; compared with a fuel automobile, the new energy automobile does not emit polluting gases in the driving process, for example, an electric automobile taking a storage battery as power does not emit any gas, and a hydrogen fuel motor only emits water vapor in the electrochemical reaction process without other polluting tail gases.
The new energy automobile is widely popularized in the world at present due to the advantages. With the progress of new energy vehicles and policy support, more and more users begin to accept new energy vehicles, the application range of the new energy vehicles is continuously expanded, the demand of the new energy vehicles is continuously increased, the charging piles and the hydrogenation piles serving as supporting facilities of the new energy vehicles become indispensable, and the demands for the charging piles and the hydrogenation piles are continuously expanded along with the continuous popularization of the new energy vehicles.
In the prior art, charging piles and hydrogenation piles are often arranged independently, the charging piles are established based on a national power grid, and the hydrogenation piles are filled through a transfer trolley. The independent arrangement of the two devices causes the application to be very inconvenient, and the cost of the layout is very high. To solve this problem, a hydrocharging integrated pile is produced.
In the use process of the hydrogenation and charging integrated pile, a series of conversions are generally carried out on stored liquid hydrogen, then the fuel cell automobile is aerated and the electric automobile is charged, the stored liquid hydrogen cannot be completely converted into electric energy in the hydrogen conversion process, particularly the electrochemical reaction process of hydrogen, and the residual hydrogen needs to be recycled. Because the electrochemical reaction of hydrogen needs a certain range of temperature to enable the electrochemical reaction to be more efficient, an additional mechanism is often needed to be additionally arranged in the prior art to maintain the temperature of the fuel cell so as to improve the reaction efficiency, however, the arrangement of the additional mechanism enables the original high layout cost to be increased again, the energy consumption is also high, in addition, the hydrogen and the heat energy overflowing in the hydrogenation and hydrogenation chemical reaction processes are not fully utilized, and the energy is wasted.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a hydrogenation-charging integrated pile and a waste heat recovery system, which can effectively solve the problem of low heat recovery rate in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a hydrogenation and charging integrated pile comprises a liquid hydrogen storage tank, a hydrogenation device and a fuel cell assembly, wherein the hydrogenation device and the fuel cell assembly are respectively connected with the liquid hydrogen storage tank through a liquid hydrogen delivery pump, the liquid hydrogen delivery pump comprises a pumping chamber and a power pump with two output ports, the pumping chamber is divided into a hydrogenation chamber and a hydrogen chemical chamber through a partition plate with a built-in communication hole, the power pump is fixedly installed in the communication hole of the partition plate, and the two output ports of the power pump respectively face the hydrogenation chamber and the hydrogen chemical chamber;
the hydrogenation chamber is connected with a hydrogenation pipe through the hydrogenation device, the hydrogen chemical chamber is communicated with the fuel cell assembly through a liquid hydrogen gasification device, and the fuel cell assembly is connected with a charging module through an electrical assembly.
Furthermore, an annular cover used for recovering the overflowing and dispersing hydrogen is connected to the fuel cell assembly, a residual hydrogen explosion-proof pump is connected to the annular cover through a negative pressure pipe, and the residual hydrogen explosion-proof pump is connected with a closed furnace used for burning the overflowing and dispersing hydrogen.
Furthermore, the closed furnace and the fuel cell assembly are arranged in parallel, an internal heat circulating pipe is arranged in the fuel cell assembly, an external heat circulating pipe wraps the outer surface of the fuel cell assembly, hot air combusted in the closed furnace sequentially passes through the internal heat circulating pipe and the external heat circulating pipe, and a connecting hoop is fixedly mounted at the outlet end of the external heat circulating pipe.
Furthermore, the internal heat circulation pipes and the external heat circulation pipes are uniformly distributed in a loop shape in the inner part or the outer surface of the fuel cell assembly, and an air cooling pipe for controlling temperature is arranged between the adjacent internal heat circulation pipes.
In addition, the invention provides a waste heat recovery system based on the hydrogenation-charging integrated pile, which comprises a connecting end and a heat energy recovery device, wherein the connecting end is connected with the connecting hoop, the heat energy recovery device is connected with the other end of the connecting end, and the heat energy recovery device receives hot gas of the closed furnace through the connecting end;
the heat energy recovery device comprises a heat collection box for bearing cold circulating water, a plurality of transmission vertical pipes are arranged inside the heat collection box and are connected through U-shaped pipes, the middle sections of the transmission vertical pipes are formed through telescopic transmission assemblies, and the surfaces of the telescopic transmission assemblies are provided with uniformly mixing assemblies at equal intervals.
Further, the telescopic transmission assembly comprises a heat conduction pipe, two ends of the heat conduction pipe are connected with the end part of the transmission vertical pipe through rigid spring pipes, and the heat conduction pipe floats up and down after being subjected to stamping force under the connection of the rigid spring pipes.
Furthermore, arc-shaped separation blades used for bearing pressure are uniformly fixed at the top of the inner wall of the heat conduction pipe, and the arc-shaped separation blades are obliquely arranged on the inner wall of the heat conduction pipe.
Further, heat conducting strips which are used for conducting heat energy when gaseous hydrogen is converted into liquid are fixed on the inner wall of the heat conducting pipe at equal intervals.
Further, the mixing subassembly is including fixing the locating lever on heat pipe surface, just the free cover of locating lever is equipped with the rotary drum, and the fixed surface of rotary drum has a plurality of to be used for the stirring vane of mixing cold water.
Furthermore, the inside of rotary drum is fixed with and is used for the bearing the spacing ring of locating lever, just the inside of spacing ring is fixed with the bulge loop locating lever surface corresponds bulge loop position department and has seted up the annular, just the bulge loop card is established in the annular.
Compared with the prior art, the invention has the beneficial effects that:
the invention utilizes the overflowed hydrogen to directly combust so as to generate enough heat to position main heat, and the arranged heat energy recovery device can reduce the heat loss, thereby effectively ensuring that the electrochemical reaction is always at a higher proper temperature so as to improve the electrochemical reaction efficiency as much as possible.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the heat energy recovery device of the present invention;
FIG. 3 is a schematic structural view of the connection between the flexible conveying assembly and the blending assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of the positioning rod and the rotating drum according to the present invention;
fig. 5 is a schematic top view of the heat pipe of the present invention.
Reference numbers in the figures:
1. a liquid hydrogen storage tank; 2. a liquid hydrogen transfer pump; 3. a hydrogenation unit; 5. a liquid hydrogen gasification device; 6. a fuel cell assembly; 7. an electrical module; 8. a residual hydrogen explosion-proof pump; 9. a heat energy recovery device; 10. closing the furnace;
91. a heat collection tank; 92. a transfer standpipe; 93. a U-shaped tube; 94. a telescopic transmission assembly; 95. a blending component;
941. a rigid spring tube; 942. a heat conducting pipe;
951. positioning a rod; 952. a rotating drum; 953. a stirring blade; 954. a limiting ring; 955. a convex ring; 956. a ring groove;
9421. an arc-shaped baffle plate; 9422. a heat conducting strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a hydrogenation and charging integrated pile, which includes a liquid hydrogen storage tank 1, and a hydrogenation apparatus 3 and a fuel cell assembly 6 respectively connected to the liquid hydrogen storage tank 1 through a liquid hydrogen transfer pump 2, wherein the liquid hydrogen transfer pump 2 includes a pumping chamber and a power pump having two output ports, the pumping chamber is divided into a hydrogenation chamber and a hydrogen chemical chamber by a partition plate having a communication hole therein, the power pump is fixedly installed in the communication hole of the partition plate, and the two output ports of the power pump respectively face the hydrogenation chamber and the hydrogen chemical chamber.
By dividing the liquid hydrogen transfer pump 2 into two independent and connected chambers, namely a hydrogenation chamber and a hydrogen chemical chamber, the mutual influence between the two chambers can be reduced when hydrogen is taken from a common liquid hydrogen storage tank 1, and the two chambers are connected. The two chambers take hydrogen from the liquid hydrogen storage tank 1 in independent space, and are connected through the communication holes on the partition plate, so that the two chambers can communicate liquid hydrogen to supplement the liquid hydrogen when taking hydrogen independently, and the stability and reliability of liquid hydrogen delivery are improved.
The hydrogenation chamber is connected with a hydrogenation pipe 4 through the hydrogenation device 3, the hydrogen chemical chamber is communicated with the fuel cell assembly 6 through a liquid hydrogen gasification device 5, and the fuel cell assembly 6 is connected with a charging module 7 through an electrical assembly. Specifically, the liquid hydrogen discharged from the liquid hydrogen storage tank 1 may be delivered into the hydrogenation device 3 by the liquid hydrogen delivery pump 2 for hydrogenation of the fuel cell vehicle, or may be delivered into the liquid hydrogen gasification device 5 by the liquid hydrogen delivery pump 2, and the gaseous hydrogen is converted into electric energy by the fuel cell module 6 and stored in the electric module 7 for charging the electric vehicle.
The fuel cell component 6 is connected with an annular cover for recovering the overflowed hydrogen, the annular cover is connected with a residual hydrogen explosion-proof pump 8 through a negative pressure pipe, and the residual hydrogen explosion-proof pump 8 is connected with a closed furnace 10 for burning the overflowed hydrogen.
The gaseous hydrogen which is not converted in the fuel cell assembly 6 enters the closed furnace 10 through the residual hydrogen explosion-proof pump 8 to be combusted, and the chemical energy of the hydrogen is converted into heat energy, so that a more suitable environment is provided for the conversion reaction of the fuel cell assembly 6. Because the electrochemical reaction needs a certain temperature, the residual hydrogen burned by the closed furnace can provide enough heat, thereby leading the electrochemical reaction to be better and more sufficient.
The closed furnace 10 and the fuel cell assembly 6 are arranged in parallel, an internal heat circulating pipe is arranged in the fuel cell assembly 6, an external heat circulating pipe wraps the outer surface of the fuel cell assembly 6, hot air combusted in the closed furnace 10 sequentially passes through the internal heat circulating pipe and the external heat circulating pipe, and a connecting hoop is fixedly mounted at the outlet end of the external heat circulating pipe.
Because the fuel cell assembly is arranged in sequence, high-temperature fuel gas from the closed furnace 10 firstly enters the internal heat circulating pipe to provide a high heat environment, and then sequentially flows to the external heat circulating pipe, so that a temperature gradient is established, and the rapid dissipation of heat in the fuel cell assembly 6 is avoided. In addition, the internal heat circulation pipes and the external heat circulation pipes are uniformly distributed in a loop shape inside or on the outer surface of the fuel cell assembly 6, and an air cooling pipe for controlling temperature is arranged between the adjacent internal heat circulation pipes.
The invention provides a waste heat recovery system based on the hydrogen charging integrated pile, which comprises a connecting end and a heat energy recovery device, wherein the connecting end is used for being connected with a connecting hoop, the heat energy recovery device is connected with the other end of the connecting end, and the heat energy recovery device receives hot gas of a closed furnace 10 through the connecting end;
the heat energy recovery device 9 comprises a heat collection box 91 for bearing cold circulating water, a plurality of transmission vertical pipes 92 are arranged inside the heat collection box 91 and are adjacent to each other, the transmission vertical pipes 92 are connected through U-shaped pipes 93, the middle section of each transmission vertical pipe 92 is formed by telescopic transmission assemblies 94, and the surfaces of the telescopic transmission assemblies 94 are provided with uniformly mixing assemblies 95 at equal intervals.
After liquid hydrogen gasification equipment 5 turns into gaseous with liquid hydrogen, turn into the electric energy through fuel cell subassembly 6 and be used for electric automobile to charge, there is residual gas hydrogen in the conversion process, can enter into transmission standpipe 92 via residual hydrogen explosion-proof pump 8 this moment, because the inside load-carrying cold water of thermal-arrest case 91, gaseous hydrogen can liquefy gradually after entering into transmission standpipe 92, because the snakelike range of connection that transmission standpipe 92 passes through U-shaped pipe 93 is in thermal-arrest case 91, continuous transmission path supplies gaseous hydrogen to turn into liquid completely, because the liquefaction of hydrogen can release the heat, the heat of release can heat cold water, realize the heat recovery effect.
The telescopic transmission component 94 includes a heat conducting pipe 942, and both ends of the heat conducting pipe 942 are connected to the ends of the transmission vertical pipe 92 through rigid spring pipes 941, and the heat conducting pipe 942 floats up and down after being pressed by the pressing force under the connection of the rigid spring pipes 941.
An arc-shaped baffle 9421 for receiving pressure is uniformly fixed on the top of the inner wall of the heat conducting pipe 942, and the arc-shaped baffle 9421 is obliquely installed on the inner wall of the heat conducting pipe 942.
The inner wall of the heat conductive pipe 942 is fixed with heat conductive bars 9422 with equal interval for conducting heat energy when gaseous hydrogen is transformed into liquid.
It should be further noted that when the gaseous hydrogen enters the vertical transfer pipe 92, the liquid hydrogen transfer pump 2 intermittently transfers the gaseous hydrogen, and the pressure difference generated will impact the arc-shaped baffle 9421, so that the heat transfer pipe 942 will extend back and forth between the rigid spring pipes 941, and the generated fluctuation will make the cold water around the outer wall of the heat transfer pipe 942 flow back and forth, and at the same time, the heat released from the gaseous hydrogen converted into liquid hydrogen will be transferred to the hot water through the upper heat transfer strips 9422.
The mixing subassembly 95 is including fixing the locating lever 951 on heat pipe 942 surface, and the free cover of locating lever 951 is equipped with the rotary drum 952, and the fixed surface of rotary drum 952 has a plurality of stirring vane 953 that is used for the mixing cold water.
The inside of the rotating cylinder 952 is fixed with a limiting ring 954 for supporting the positioning rod 951, a convex ring 955 is fixed inside the limiting ring 954, a ring groove 956 is arranged at a position, corresponding to the convex ring 955, on the surface of the positioning rod 951, and the convex ring 955 is clamped in the ring groove 956.
Specifically, under the effect of rivers, stirring vane 953 can drive the rotary drum 952 and rotate, and the bulge loop 955 card is established at the annular 956 internal rotation in the pivoted, and stirring vane 953 also can play mixed cold, hydrothermal effect along with the rotary drum 952 swing in-process, and then guarantees that the water around the heat pipe 942 is constantly updated, and then improves heat absorption's efficiency, effectual reinforcing heat conversion effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The hydrogenation and charging integrated pile is characterized by comprising a liquid hydrogen storage tank (1), a hydrogenation device (3) and a fuel cell assembly (6), wherein the hydrogenation device (3) and the fuel cell assembly (6) are respectively connected with the liquid hydrogen storage tank (1) through a liquid hydrogen delivery pump (2), the liquid hydrogen delivery pump (2) comprises a pumping chamber and a power pump with two output ports, the pumping chamber is divided into a hydrogenation chamber and a hydrogen chemical chamber through a partition plate with a built-in communication hole, the power pump is fixedly installed in the communication hole of the partition plate, and the two output ports of the power pump respectively face the hydrogenation chamber and the hydrogen chemical chamber;
the hydrogenation chamber is connected with a hydrogenation pipe (4) through the hydrogenation device (3), the hydrogen chemical chamber is communicated with the fuel cell assembly (6) through a liquid hydrogen gasification device (5), and the fuel cell assembly (6) is connected with a charging module (7) through an electrical assembly.
2. The integrated hydrogen charging pile according to claim 1, wherein an annular cover for recovering the overflowed hydrogen is connected to the fuel cell assembly (6), a residual hydrogen explosion-proof pump (8) is connected to the annular cover through a negative pressure pipe, and the residual hydrogen explosion-proof pump (8) is connected to a closed furnace (10) for burning the overflowed hydrogen.
3. The integrative hydrogen charging pile according to claim 2, wherein the closed furnace (10) and the fuel cell assembly (6) are arranged in parallel, an internal heat circulating pipe is arranged in the fuel cell assembly (6), an external heat circulating pipe is wrapped on the outer surface of the fuel cell assembly (6), hot gas combusted in the closed furnace (10) sequentially passes through the internal heat circulating pipe and the external heat circulating pipe, and a connecting hoop is fixedly mounted at the outlet end of the external heat circulating pipe.
4. The integrative hydrogen charging pile according to claim 3, wherein the internal heat circulation pipe and the external heat circulation pipe are uniformly distributed in a shape of a loop inside or outside the fuel cell assembly (6), and an air cooling pipe for controlling temperature is arranged between the adjacent internal heat circulation pipes.
5. A waste heat recovery system based on the integrative hydrogen charging pile of any one of claims 1 to 4, which comprises a connecting end for connecting with the connecting hoop and a heat energy recovery device connected with the other end of the connecting end, wherein the heat energy recovery device receives hot gas of the closed furnace (10) through the connecting end;
heat recovery unit (9) are including heat collection box (91) that is used for bearing cold circulating water, just the inside of heat collection box (91) is provided with a plurality of transmission standpipe (92), and adjacent two transmission standpipe (92) are connected through U-shaped pipe (93), the interlude of transmission standpipe (92) is constituteed through flexible transmission assembly (94), just the surface mounting of flexible transmission assembly (94) has equidistant mixing subassembly (95).
6. A waste heat recovery system according to claim 5, characterized in that the telescopic transmission assembly (94) comprises a heat conducting pipe (942), and both ends of the heat conducting pipe (942) are connected with the end of the transmission standpipe (92) through a rigid spring pipe (941), and the heat conducting pipe (942) floats up and down after being pressed by the punching force under the connection of the rigid spring pipe (941).
7. A heat recovery system according to claim 6, wherein the top of the inner wall of the heat conducting pipe (942) is uniformly fixed with an arc-shaped baffle (9421) for receiving the pressure, and the arc-shaped baffle (9421) is obliquely installed on the inner wall of the heat conducting pipe (942).
8. A heat recovery system according to claim 7, characterized in that the inner walls of the heat conducting pipes (942) are fixed with equally spaced heat conducting bars (9422) for conducting heat energy when gaseous hydrogen is converted into liquid.
9. The waste heat recovery system according to claim 6, wherein the blending assembly (95) comprises a positioning rod (951) fixed on the surface of the heat conduction pipe (942), a rotating cylinder (952) is freely sleeved on the positioning rod (951), and a plurality of stirring blades (953) used for blending cold water are fixed on the surface of the rotating cylinder (952).
10. A waste heat recovery system as claimed in claim 9, wherein a limiting ring (954) for supporting the positioning rod (951) is fixed inside the rotary drum (952), a protruding ring (955) is fixed inside the limiting ring (954), a ring groove (956) is opened on the surface of the positioning rod (951) at a position corresponding to the protruding ring (955), and the protruding ring (955) is snapped inside the ring groove (956).
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