CN116230993A - Tail gas treatment device for fuel cell - Google Patents
Tail gas treatment device for fuel cell Download PDFInfo
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- CN116230993A CN116230993A CN202310520349.7A CN202310520349A CN116230993A CN 116230993 A CN116230993 A CN 116230993A CN 202310520349 A CN202310520349 A CN 202310520349A CN 116230993 A CN116230993 A CN 116230993A
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- fuel cell
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- gas treatment
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0053—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- 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
- H01M8/04029—Heat exchange using liquids
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- 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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
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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
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a tail gas treatment device for a fuel cell, which relates to the field of fuel cells, and comprises an exhaust barrel, exhaust pipes and an air outlet pipe, wherein the exhaust pipes are arranged on two sides of the exhaust barrel; the spray cooling device comprises a water pump, and the water pump is arranged on the bottom side of the exhaust funnel. In the invention, through the arrangement of the spray cooling device and the auxiliary exhaust device, when the exhaust pipe is used for exhausting, the spray header can rapidly cool the gas in the exhaust pipe through back and forth movement, so that the problem of explosion of dissipated hydrogen caused by overhigh temperature of the exhaust pipe is avoided; the fan blade is driven to rotate through the rotating shaft, so that gas in the exhaust barrel can be rapidly exhausted, and the auxiliary cooling effect can be achieved, so that the aggregation of hydrogen is avoided, potential safety hazards are eliminated, and the safe use of the fuel cell is ensured.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to an exhaust gas treatment device for a fuel cell.
Background
The operating principle of the hydrogen fuel cell is: hydrogen is sent to the anode (cathode) of the fuel cell, electrons in hydrogen molecules are separated through the action of a catalyst (platinum), hydrogen ions (protons) losing the electrons pass through a proton exchange membrane to reach the cathode (anode) of the fuel cell, electrons cannot pass through the proton exchange membrane, and the electrons can only reach the cathode of the fuel cell through an external circuit, so that current is generated in the external circuit. After reaching the cathode plate, the electrons and protons combine with oxygen molecules to produce water. Because the oxygen supplied to the cathode can be obtained from air, the electric energy can be continuously supplied as long as hydrogen is continuously supplied to the anode, air is supplied to the cathode, and water is timely discharged, and unreacted residual hydrogen and residual air in the electric pile are mixed to form tail gas which is discharged through the exhaust pipe.
The fuel cell can generate different heat according to different powers during the reaction, but the hydrogen can not be fully utilized during the use, so that the tail gas contains hydrogen and the temperature is higher. Considering the complexity of the automobile use environment, if hydrogen with higher temperature in the tail gas is detained or aggregated, potential safety hazards exist.
Disclosure of Invention
The present invention is directed to an exhaust gas treatment device for a fuel cell, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the tail gas treatment device for the fuel cell comprises an exhaust barrel, exhaust pipes and an air outlet pipe, wherein the exhaust pipes and the air outlet pipe are arranged on two sides of the exhaust barrel, the exhaust barrel is detachably connected with a spray cooling device, and the spray cooling device is used for carrying out spray cooling on gas discharged into the exhaust barrel;
the spray cooling device comprises a water pump, the water pump is arranged on the bottom side of the exhaust funnel, the water pump is communicated with the inside of the exhaust funnel, a hose is connected to the inner wall of the top side of the exhaust funnel, a spray header for spraying water is connected to the bottom end of the hose, a spray pipe is connected to the water pump, and the spray pipe is connected to the hose;
an auxiliary exhaust device is arranged in the exhaust funnel and is in transmission connection with the spray cooling device, and the auxiliary exhaust device is used for accelerating the discharge of waste gas in the exhaust funnel;
the water backflow preventing device is connected to the bent end part of the air outlet pipe and is used for preventing outside water from flowing backwards into the exhaust barrel;
the exhaust pipe is provided with an exhaust pipe, and the exhaust pipe is provided with a sealing device which is arranged on one side of the exhaust pipe close to the exhaust pipe and is used for sealing the exhaust pipe.
Further, in a preferred embodiment of the present invention, the auxiliary exhaust device includes a rotating shaft rotatably mounted on an inner wall of a bottom side of the exhaust funnel, and a plurality of fan blades disposed in the exhaust funnel are annularly mounted on the rotating shaft for performing blowing and exhausting;
a plurality of blowing blades are annularly arranged on the rotating shaft, and are all positioned below the exhaust drum and used for driving the rotating shaft to rotate; the bottom side of the exhaust funnel is provided with a protective cover, and a plurality of blowing blades are all positioned in the protective cover.
Further, in the preferred embodiment of the present invention, a rotating rod is installed at the top end of the rotating shaft, a sliding bar is slidably installed on the inner walls of both sides of the exhaust funnel, a connecting rod is installed at the bottom side of the sliding bar, and the connecting rod is installed on the shower head;
the sliding bar is provided with a sliding hole, the rotating rod is rotatably provided with a driving shaft, and the driving shaft is movably arranged in the sliding hole.
Further, in a preferred embodiment of the present invention, the water reflection preventing device includes a drainage tube, the drainage tube is connected to the bottom end of the air outlet pipe, a sealing plate is disposed in the drainage tube, and a sealing ring is mounted on the sealing plate and is used for sealing the air outlet pipe;
two movable holes are formed in the sealing plate, movable rods are movably mounted in the movable holes, the top ends of the movable rods are mounted on the inner wall of the top side of the drainage cylinder, and blocking blocks used for preventing the sealing plate from falling are mounted at the bottom ends of the movable rods.
Further, in the preferred embodiment of the present invention, a driven frame is mounted on the top side of the sealing plate, and a shifting fork is mounted on the driven frame and is used for opening the shower pipe;
the bottom of the drainage cylinder is screwed with a filter plate through threads and is used for filtering external impurities.
Further, in a preferred embodiment of the present invention, the sealing device includes a mounting sleeve, the mounting sleeve is mounted on a side of the exhaust pipe close to the exhaust pipe, and two isolation plates are rotatably mounted on the mounting sleeve, and end surfaces of the two isolation plates are disposed in a crossing manner and used for isolating the exhaust pipe.
Further, in the preferred embodiment of the present invention, the top side and the bottom side of the mounting sleeve are both provided with mounting grooves, a rotating seat is rotatably mounted in each of the two mounting grooves, and the two rotating seats are respectively mounted on the two isolation plates;
the installation groove is internally provided with a supporting shaft, the rotating seat is rotatably arranged on the supporting shaft, the supporting shaft is provided with two torsion springs, and the two torsion springs are respectively arranged on two sides of the rotating seat.
Further, in a preferred embodiment of the present invention, the apparatus further comprises a knocking device mounted on the bottom side of the exhaust pipe, and the knocking device is used for knocking the drain pipe to remove impurities.
Further, in a preferred embodiment of the present invention, the striking device includes a striking rod, and a striking ball is mounted at an end of the striking rod, and is used for striking the drainage tube;
the bottom side of the exhaust funnel is provided with a supporting plate, the supporting plate is provided with a telescopic hole, the knocking rod is movably arranged in the telescopic hole, the knocking rod is sleeved with a push-pull block, the knocking rod is sleeved with a reset spring, and two ends of the reset spring are respectively arranged on the supporting plate and the push-pull block;
the utility model discloses a striking rod, including striking rod, ejector pin, push rod is installed to the one end that strikes the ball is kept away from the push rod is installed to the one end that strikes the ball, rotate on the push rod and install two top wheels, the ejector pin is installed to the bottom of rotation axis, the ejector pin is used for the extrusion the push rod removes.
Further, in a preferred embodiment of the present invention, a rubber sleeve is installed at the top end of the hose, and a cannula is installed at the bottom end of the shower pipe, and the cannula passes through the rubber sleeve to supply water into the hose.
The tail gas treatment device for the fuel cell has the beneficial effects that:
according to the invention, through the arrangement of the spray cooling device and the auxiliary exhaust device, when the exhaust pipe is used for exhausting, the spray header can rapidly cool the gas in the exhaust barrel through back and forth movement, so that the problem that the dissipated hydrogen is exploded due to the overhigh temperature of the exhaust barrel is avoided; meanwhile, the fan blades are driven to rotate through the rotating shaft, so that gas in the exhaust barrel can be rapidly exhausted, an auxiliary cooling effect can be achieved, accumulation of hydrogen can be avoided, potential safety hazards are eliminated, and safe use of the fuel cell is guaranteed.
Further, in the invention, by arranging the water reflection preventing device and the sealing device, when the exhaust funnel is waded, the problem that external water enters the exhaust funnel and flows back into the fuel cell can be effectively avoided; in addition, the isolation plate can seal the exhaust end of the exhaust barrel when the fuel cell stops being used, so that an external device can be prevented from entering the fuel cell, and the safe use of the fuel cell is further ensured.
Furthermore, in the invention, through the arrangement of the knocking device, when the rotating shaft rotates, the knocking rod can be driven to move back and forth, so that the knocking rod can drive the knocking ball to knock the end part of the drainage tube back and forth, the smoothness of the filtering plate is ensured, and the smoothness of the drainage tube is further ensured.
Drawings
Fig. 1 is a schematic perspective view of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention;
fig. 2 is a schematic bottom view of an exhaust treatment device for a fuel cell according to an embodiment of the present invention;
fig. 3 is a schematic view showing a partial sectional structure of an exhaust pipe of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention;
fig. 4 is a schematic diagram showing an internal structure of an exhaust stack of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a movable outlet pipe of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a sealing plate of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an auxiliary exhaust device and a knocking device of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a sealing device of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention;
fig. 9 is a schematic partial structure of an installation sleeve of an exhaust gas treatment device for a fuel cell according to an embodiment of the present invention.
In the figure: 1-an exhaust funnel; 2-an exhaust pipe; 3-an air outlet pipe; 4-spraying a cooling device; 401-a water pump; 402-a shower; 403-hose; 404-a spray header; 405-intubation; 406-rubber sleeve; 5-auxiliary exhaust means; 501-a rotation axis; 502-fan blades; 503-blowing the leaves; 504-a protective cover; 505-rotating the lever; 506-sliding bar; 507-slide hole; 508-driving shaft; 509-connecting rods; 6-a water reflection preventing device; 601-a drainage cartridge; 602-a filter plate; 603-sealing plate; 604-a movable aperture; 605-a movable bar; 606-a blocking block; 607-sealing ring; 608—a driven frame; 609-a fork; 7-closing means; 701-mounting a sleeve; 702-a separator; 703-mounting groove; 704-rotating a seat; 705-supporting shaft; 706—torsion springs; 8-knocking device; 801-tapping the rod; 802-striking a ball; 803-supporting plate; 804-a telescopic hole; 805-push-pull blocks; 806-a return spring; 807-pushing the strip; 808-top wheel; 809-ejector pins.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In addition, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like are not intended to require that the component be absolutely vertical, but rather may be slightly inclined. As "vertical" merely means that its direction is more vertical than "horizontal" and does not mean that the structure must be perfectly vertical, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1-9 of the drawings, an exhaust treatment device for a fuel cell according to an embodiment of the present invention includes an exhaust pipe 1, exhaust pipes 2 disposed at two sides of the exhaust pipe 1, and an air outlet pipe 3, wherein the exhaust pipe 1 is detachably connected with a spray cooling device 4, and the spray cooling device 4 is used for performing spray cooling on gas discharged into the exhaust pipe 1.
Further, the spray cooling device 4 comprises a water pump 401, the water pump 401 is arranged on the bottom side of the exhaust funnel 1, the water pump 401 is communicated with the inside of the exhaust funnel 1, a hose 403 is connected to the inner wall of the top side of the exhaust funnel 1, a spray header 404 for spraying water is connected to the bottom end of the hose 403, a spray pipe 402 is connected to the water pump 401, and the spray pipe 402 is connected to the hose 403. In the embodiment of the present invention, the arrangement of the spray cooling device 4 can cool the exhaust gas in the exhaust funnel 1 to avoid overheating of the gas, and at the same time, when in use, water is pumped into the spray pipe 402 by the water pump 401, and then enters the hose 403 through the spray pipe 402, and then is sprayed out by the spray nozzle 404 to cool the air in the exhaust funnel 1.
Further, an auxiliary exhaust device 5 is installed in the exhaust funnel 1, the auxiliary exhaust device 5 is in transmission connection with the spray cooling device 4, and the auxiliary exhaust device 5 is used for accelerating exhaust of waste gas in the exhaust funnel 1. In the embodiment of the present invention, the auxiliary exhaust device 5 is provided, so that the exhaust gas in the exhaust funnel 1 can be rapidly exhausted, and the accumulation of hydrogen gas and the explosion can be prevented.
Further specifically, the exhaust gas treatment device for a fuel cell provided by the embodiment of the invention further comprises a water reflection preventing device 6, wherein the water reflection preventing device 6 is connected to the bent end part of the air outlet pipe 3, and the water reflection preventing device 6 is used for preventing external water from flowing back into the exhaust funnel 1. In the embodiment of the present invention, if the automobile is in the wading state, the water can be prevented from entering the exhaust funnel 1 through the water-reflecting prevention device 6 by the arrangement of the water-reflecting prevention device 6, and then flows back into the fuel cell, so that the use safety of the fuel cell is ensured.
Further specifically, the exhaust gas treatment device for the fuel cell provided by the embodiment of the invention further comprises a sealing device 7, wherein the sealing device 7 is arranged on one side of the exhaust barrel 1, which is close to the exhaust pipe 2, and the sealing device 7 is used for sealing the exhaust pipe 2. In the embodiment of the present invention, the exhaust end of the exhaust funnel 1 can be sealed by the sealing device 7, so that when the fuel cell stops using, the exhaust end of the fuel cell can be sealed, and external impurities are prevented from entering the fuel cell in the reverse direction through the exhaust funnel 1, thereby further ensuring the use safety of the fuel cell.
More specifically, the exhaust gas treatment device for a fuel cell provided in the embodiment of the present invention includes a rotary shaft 501, wherein the rotary shaft 501 is rotatably installed on the bottom inner wall of the exhaust funnel 1, and a plurality of fan blades 502 located in the exhaust funnel 1 are annularly installed on the rotary shaft 501 for performing blowing and exhausting; in addition, a plurality of blowing blades 503 are annularly installed on the rotating shaft 501, and the plurality of blowing blades 503 are all positioned below the exhaust funnel 1 and used for driving the rotating shaft 501 to rotate; a hood 504 is mounted to the underside of the exhaust stack 1, and a plurality of blowing vanes 503 are located within the hood 504. It should be noted that, in the embodiment of the present invention, when the automobile is running, the plurality of blowing blades 503 may be blown by external air to rotate, the blowing blades 503 may rotate to drive the rotation shaft 501 to rotate, and the rotation shaft 501 may drive the plurality of fan blades 502 to rotate, so as to achieve the purpose of rapidly exhausting the air in the exhaust funnel 1, and meanwhile, through the arrangement of the protection cover 504, the foreign matters from the outside may be prevented from striking the blowing blades 503, so as to ensure the safe use of the blowing blades 503.
It should be emphasized that, in the present application, a rotating shaft 501 is provided, and in actual use, a plurality of rotating shafts can be provided to realize faster exhaust, and a pneumatic mode is adopted, so that the present application is more energy-saving and environment-friendly, and meanwhile, a mechanical structure is adopted, so that the failure rate can be effectively reduced, and the exhaust effect is ensured; the number of the rotation shafts 501 may be selected according to actual demands, and the rotation of the plurality of rotation shafts 501 may be performed by a transmission system such as a chain transmission or a belt transmission.
Further specifically, in the embodiment of the present invention, a rotating rod 505 is installed at the top end of the rotating shaft 501, a sliding bar 506 is slidably installed on the inner walls of both sides of the exhaust funnel 1, a connecting rod 509 is installed at the bottom side of the sliding bar 506, and the connecting rod 509 is installed on the shower head 404; the sliding bar 506 is provided with a sliding hole 507, the rotating rod 505 is rotatably provided with a driving shaft 508, and the driving shaft 508 is movably arranged in the sliding hole 507. In the embodiment of the present invention, when the rotation shaft 501 rotates, the rotation rod 505 can be driven to rotate, the rotation rod 505 can drive the shaft 508 to rotate, the driving shaft 508 rotates in the sliding hole 507, and then the sliding bar 506 is driven to move, and the sliding bar 506 moves to drive the spray head 404 to move, so that the spray head 404 can spray water uniformly, thereby realizing rapid and uniform cooling.
Further specifically, the tail gas treatment device for the fuel cell provided by the embodiment of the invention comprises a water drainage tube 601, wherein the water drainage tube 601 is connected to the bottom end of the air outlet tube 3, a sealing plate 603 is arranged in the water drainage tube 601, a sealing ring 607 is arranged on the sealing plate 603, and the sealing ring 607 is used for sealing the air outlet tube 3;
further, two movable holes 604 are formed in the sealing plate 603, a movable rod 605 is movably mounted in the movable holes 604, the top end of the movable rod 605 is mounted on the inner wall of the top side of the drainage cylinder 601, and a blocking block 606 for preventing the sealing plate 603 from falling is mounted at the bottom end of the movable rod 605. It should be noted that, in the embodiment of the present invention, if external water flows backward, the sealing plate 603 can be driven to move, the sealing plate 603 seals the drainage tube 601 through the sealing ring 607, so as to prevent external water from flowing backward into the drainage tube 601, and simultaneously, when the sealing plate 603 moves, the sealing plate slides on the two sliding rods 605 through the two movable holes 604, so that the sealing plate can only slide vertically, and the sealing effect is ensured.
Further specifically, in the embodiment of the present invention, the top side of the sealing plate 603 is provided with a driven frame 608, and the driven frame 608 is provided with a shifting fork 609, and the shifting fork 609 is used for opening the spray pipe 402; the bottom end of the drainage cylinder 601 is screwed with a filter plate 602 for filtering foreign substances from the outside. It should be noted that, in the embodiment of the present invention, the bottom end of the drainage cylinder 601 is further provided with a filter plate 602, which can effectively filter out external impurities and prevent the external impurities from entering the drainage cylinder 601 in a reverse direction; in addition, when the sealing plate 603 moves, the driven frame 608 can be driven to move, the driven frame 608 can drive the shifting fork 609 to move, the shifting fork 609 can open the spray pipe 602, when the automobile wades, the water pump 401 can be prevented from further spraying water into the exhaust funnel 1, and meanwhile, the water in the exhaust funnel 1 can be pumped out through the water pump 401, so that the water is prevented from flowing back into the fuel cell.
Further specifically, in the exhaust gas treatment device for a fuel cell according to the embodiment of the present invention, the sealing device 7 includes a mounting sleeve 701, the mounting sleeve 701 is mounted on a side of the exhaust pipe 1 close to the exhaust pipe 2, two isolation plates 702 are rotatably mounted on the mounting sleeve 701, and end surfaces of the two isolation plates 702 are disposed to intersect and are used for isolating the exhaust pipe 2. In the embodiment of the present invention, the exhaust end of the exhaust funnel 1 can be sealed by the two partition plates 702, so as to prevent the external impurities from entering the fuel cell through the exhaust funnel 1.
More specifically, in the embodiment of the present invention, the top side and the bottom side of the mounting sleeve 701 are both provided with mounting grooves 703, a rotating seat 704 is rotatably mounted in both mounting grooves 703, and both rotating seats 704 are respectively mounted on both isolation plates 702;
further, a support shaft 705 is installed in the installation groove 703, the rotation seat 704 is rotatably installed on the support shaft 705, two torsion springs 706 are installed on the support shaft 705, and the two torsion springs 706 are installed on both sides of the rotation seat 704, respectively. It should be noted that, in the embodiment of the present invention, when the exhaust funnel 1 exhausts, the exhausted gas can blow the two isolation plates 702, the isolation plates 702 rotate on the mounting sleeve 701 through the rotating seat 704, and the two torsion springs 706 are stressed, when the fuel cell is stopped, the two isolation plates 702 can be automatically closed under the reaction force of the two torsion springs 706 when the exhaust is stopped.
Further specifically, the exhaust gas treatment device for a fuel cell according to the embodiment of the present invention further includes a knocking device 8, where the knocking device 8 is installed on the bottom side of the exhaust pipe 1, and the knocking device 8 is used for knocking the drain pipe 601 to remove impurities. It should be noted that, in the embodiment of the present invention, by setting the knocking device 8, the drainage cylinder 601 may be knocked during the running process of the automobile, so that the filter plate 602 may be knocked to remove impurities, and the smoothness of the filter plate 602 is ensured, and further the smoothness of the exhaust is ensured.
Further specifically, in the embodiment of the present invention, the striking device 8 includes a striking rod 801, a striking ball 802 is mounted to an end of the striking rod 801, and the striking ball 802 is used to strike the drainage cylinder 601; the bottom side of the exhaust funnel 1 is provided with a supporting plate 803, the supporting plate 803 is provided with a telescopic hole 804, a knocking rod 801 is movably arranged in the telescopic hole 804, a push-pull block 805 is sleeved on the knocking rod 801, a reset spring 806 is sleeved on the knocking rod 801, and two ends of the reset spring 806 are respectively arranged on the supporting plate 803 and the push-pull block 805;
further, a pushing bar 807 is mounted at one end of the striking rod 801 far from the striking ball 802, two top wheels 808 are rotatably mounted on the pushing bar 807, a top rod 809 is mounted at the bottom end of the rotating shaft 501, and the top rod 809 is used for pressing the pushing bar 807 to move. It should be noted that, in the embodiment of the present invention, when the blowing blade 503 drives the rotating shaft 501 to rotate, the rotating shaft 501 can drive the ejector rods 809 to move, the ejector rods 809 squeeze the two top wheels 808, so that the pushing bar 807 moves, the pushing bar 807 can drive the knocking rod 801 to move, the knocking rod 801 can drive the push-pull block 805 to move, and the restoring spring 806 is stressed, meanwhile, the knocking rod 801 can drive the knocking ball 802 to knock the drainage cylinder 601, when the ejector rods 809 are far away from the pushing bar 807, the knocking ball 802 can be far away from the drainage cylinder 601 under the reaction force of the restoring spring 806, so that the knocking of the drainage cylinder 601 by the back-and-forth movement of the knocking rod 801 is realized, and smoothness of the filter plate 602 is ensured.
More specifically, in the exhaust gas treatment device for a fuel cell according to the embodiment of the present invention, a rubber sleeve 406 is installed at the top end of a hose 403, a cannula 405 is installed at the bottom end of a shower pipe 402, and the cannula 405 passes through the rubber sleeve 406 to supply water into the hose 403. In the embodiment of the invention, when the shower pipe 402 is inserted into the hose 403, the rubber sleeve 406 can be pushed open by the insertion pipe 405, and when the shower pipe 402 is separated from the hose 403, the hose 403 can be sealed by the rubber groove 406, so that water can not enter the hose 403 in the opposite direction, and the sealing of the exhaust funnel 1 is ensured, so that the water can be prevented from entering the exhaust funnel 1 when an automobile wades, and the wading safety of the fuel cell is ensured.
In summary, the working principle of the exhaust gas treatment device for a fuel cell provided by the embodiment of the present invention is: when the exhaust funnel 1 is used for exhausting, the water pump 401 is started to pump water into the spray pipe 402, the water enters the hose 403 through the spray pipe 402, the water is sprayed out through the spray head 404, the air in the exhaust funnel 1 is cooled, meanwhile, when an automobile runs, the plurality of blowing blades 503 can be blown by external air to rotate, the blowing blades 503 can drive the rotating shaft 501 to rotate, the rotating shaft 501 can drive the plurality of fan blades 502 to rotate, and the purpose of rapidly exhausting the air in the exhaust funnel 1 is achieved; in addition, through the arrangement of the protective cover 504, external impurities can be prevented from striking the blowing blade 503, the safe use of the blowing blade 503 is ensured, and when the rotary shaft 501 rotates, the rotary rod 505 can be driven to rotate, the shaft 508 can be driven to rotate in the sliding hole 507, the sliding bar 506 is driven to move, the sliding bar 506 can be driven to move to drive the spray header 404, so that the spray header 404 can uniformly spray water, and the rapid and uniform cooling can be realized;
further, when the automobile wades, if outside water flows backward, the sealing plate 603 can be driven to move, and the sealing plate 603 seals the drainage cylinder 601 through the sealing ring 607; in addition, the bottom end of the drainage cylinder 601 is also provided with a filter plate 602, so that external impurities can be effectively filtered, the external impurities are prevented from reversely entering the drainage cylinder 601, meanwhile, the driven frame 608 can be driven to move when the sealing plate 603 moves, the driven frame 608 can drive the shifting fork 609 to move, and the shifting fork 609 can open the spray pipe 602, so that when an automobile wades, the water pump 401 can be prevented from further spraying water into the exhaust cylinder 1, and meanwhile, the water in the exhaust cylinder 1 can be pumped out through the water pump 401, and the water is prevented from flowing backwards into the fuel cell; when the blowing blade 503 drives the rotating shaft 501 to rotate, the rotating shaft 501 can drive the ejector rods 809 to move, the ejector rods 809 extrude the two top wheels 808, so that the pushing strip 807 moves, the pushing strip 807 can drive the knocking rod 801 to move, the knocking rod 801 can drive the push-pull block 805 to move and enable the reset spring 806 to bear force, meanwhile, the knocking rod 801 can drive the knocking ball 802 to knock the drainage cylinder 601, when the ejector rods 809 are far away from the pushing strip 807, the knocking ball 802 can be far away from the drainage cylinder 601 under the reaction force of the reset spring 806, and further, the smooth knocking of the drainage cylinder 601 by the back-and-forth movement of the knocking rod 801 is realized, and the filter plate 602 is ensured;
further, when the exhaust funnel 1 exhausts, the exhausted gas can blow the two isolation plates 702, the isolation plates 702 rotate on the mounting sleeve 701 through the rotating seat 704, and the two torsion springs 706 are stressed, so that when the fuel cell stops using and stops exhausting, the two isolation plates 702 can be automatically closed under the reaction force of the two torsion springs 706, and therefore external impurities can be effectively prevented from reversely entering the fuel cell when the fuel cell is not exhausted.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The tail gas treatment device for the fuel cell is characterized by comprising an exhaust barrel, exhaust pipes and an air outlet pipe, wherein the exhaust pipes and the air outlet pipe are arranged on two sides of the exhaust barrel, the exhaust barrel is detachably connected with a spray cooling device, and the spray cooling device is used for carrying out spray cooling on gas discharged into the exhaust barrel;
the spray cooling device comprises a water pump, wherein the water pump is arranged on the bottom side of the exhaust barrel, and the water pump is communicated with the inside of the exhaust barrel; a hose is connected to the inner wall of the top side of the exhaust funnel, a spray header for spraying water is connected to the bottom end of the hose, a spray pipe is connected to the water pump, and the spray pipe is connected to the hose;
an auxiliary exhaust device is arranged in the exhaust funnel and is in transmission connection with the spray cooling device, and the auxiliary exhaust device is used for accelerating the discharge of the exhaust gas in the exhaust funnel;
the water backflow preventing device is connected to the bent end part of the air outlet pipe and is used for preventing external water from flowing backwards into the exhaust barrel;
the exhaust pipe is provided with an exhaust pipe, and the exhaust pipe is provided with a sealing device which is arranged on one side of the exhaust pipe close to the exhaust pipe and is used for sealing the exhaust pipe.
2. The exhaust gas treatment device for a fuel cell according to claim 1, wherein the auxiliary exhaust device comprises a rotary shaft rotatably mounted on an inner wall of a bottom side of the exhaust funnel, and a plurality of fan blades disposed in the exhaust funnel are annularly mounted on the rotary shaft for blowing and exhausting;
a plurality of blowing blades are annularly arranged on the rotating shaft, and are all positioned below the exhaust drum and used for driving the rotating shaft to rotate; the bottom side of the exhaust funnel is provided with a protective cover, and a plurality of blowing blades are all positioned in the protective cover.
3. The exhaust gas treatment device for a fuel cell according to claim 2, wherein a rotating rod is installed at the top end of the rotating shaft, a sliding bar is slidably installed on the inner walls of both sides of the exhaust funnel, a connecting rod is installed at the bottom side of the sliding bar, and the connecting rod is installed on the shower head;
the sliding bar is provided with a sliding hole, the rotating rod is rotatably provided with a driving shaft, and the driving shaft is movably arranged in the sliding hole.
4. The exhaust gas treatment device for a fuel cell according to claim 2, wherein the water reflection preventing means comprises a water discharge tube connected to a bottom end of the air outlet pipe; a sealing plate is arranged in the drainage cylinder, a sealing ring is arranged on the sealing plate, and the sealing ring is used for sealing the air outlet pipe;
two movable holes are formed in the sealing plate, a movable rod is movably installed in the movable holes, the top end of the movable rod is installed on the inner wall of the top side of the drainage cylinder, and a blocking block used for preventing the sealing plate from falling is installed at the bottom end of the movable rod.
5. The exhaust gas treatment device for a fuel cell according to claim 4, wherein a driven frame is mounted on a top side of the sealing plate, and a fork is mounted on the driven frame, and the fork is used for opening the shower pipe;
the bottom of the drainage cylinder is screwed with a filter plate through threads and is used for filtering external impurities.
6. The exhaust gas treatment device for a fuel cell according to claim 4, wherein the sealing means comprises a mounting sleeve mounted on a side of the exhaust pipe adjacent to the exhaust pipe, and two partition plates rotatably mounted on the mounting sleeve, and end surfaces of the two partition plates are disposed to intersect for isolating the exhaust pipe.
7. The tail gas treatment device for a fuel cell according to claim 6, wherein the top side and the bottom side of the mounting sleeve are provided with mounting grooves, a rotating seat is rotatably arranged in each of the two mounting grooves, and the two rotating seats are respectively arranged on the two isolating plates;
the installation groove is internally provided with a supporting shaft, the rotating seat is rotatably arranged on the supporting shaft, the supporting shaft is provided with two torsion springs, and the two torsion springs are respectively arranged on two sides of the rotating seat.
8. The exhaust gas treatment device for a fuel cell according to claim 4, further comprising a knocking device mounted on a bottom side of the exhaust pipe, the knocking device being for knocking the drain pipe to remove impurities.
9. The exhaust gas treatment device for a fuel cell according to claim 8, wherein the striking device includes a striking rod, an end of which is provided with a striking ball for striking the drain cylinder;
the bottom side of the exhaust funnel is provided with a supporting plate, a telescopic hole is formed in the supporting plate, and the knocking rod is movably arranged in the telescopic hole; the knocking rod is sleeved with a push-pull block, the knocking rod is sleeved with a reset spring, and two ends of the reset spring are respectively arranged on the supporting plate and the push-pull block;
the utility model discloses a striking rod, including striking rod, ejector pin, push rod is installed to the one end that strikes the ball is kept away from the push rod is installed to the one end that strikes the ball, rotate on the push rod and install two top wheels, the ejector pin is installed to the bottom of rotation axis, the ejector pin is used for the extrusion the push rod removes.
10. The exhaust gas treatment device for a fuel cell according to claim 1, wherein a rubber sleeve is installed at the top end of the hose, and a cannula is installed at the bottom end of the shower pipe, and the cannula passes through the rubber sleeve to supply water into the hose.
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| CN202310520349.7A CN116230993B (en) | 2023-05-10 | 2023-05-10 | Tail gas treatment device for fuel cell |
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| CN202310520349.7A CN116230993B (en) | 2023-05-10 | 2023-05-10 | Tail gas treatment device for fuel cell |
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| CN116230993B CN116230993B (en) | 2023-08-04 |
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| CN115253556A (en) * | 2022-09-08 | 2022-11-01 | 佳诺威集团股份有限公司 | Harmless treatment method for MDF tail gas |
| CN115763913A (en) * | 2022-12-12 | 2023-03-07 | 赵卫云 | High-performance low-emission low-pollution hydrogen fuel cell engine |
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2023
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| JP2005011674A (en) * | 2003-06-19 | 2005-01-13 | Honda Motor Co Ltd | Exhaust gas treatment device of fuel cell |
| US20180102560A1 (en) * | 2016-10-10 | 2018-04-12 | Hyundai Motor Company | Device for decreasing concentration of hydrogen exhausted from fuel cell |
| CN211202089U (en) * | 2019-02-15 | 2020-08-07 | 包头市鹏辉光电科技有限公司 | New energy automobile exhaust circulation purification processing apparatus |
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| CN116230993B (en) | 2023-08-04 |
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