CN115487956A - Multi-nozzle ejector for fuel cell circulating system and using method thereof - Google Patents

Multi-nozzle ejector for fuel cell circulating system and using method thereof Download PDF

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Publication number
CN115487956A
CN115487956A CN202210943224.0A CN202210943224A CN115487956A CN 115487956 A CN115487956 A CN 115487956A CN 202210943224 A CN202210943224 A CN 202210943224A CN 115487956 A CN115487956 A CN 115487956A
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CN
China
Prior art keywords
nozzle
injection
fuel cell
fuel
pipe
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210943224.0A
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Chinese (zh)
Inventor
王辰
黄刚
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Suzhou New Hydrogen Source Battery Technology Co ltd
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Suzhou New Hydrogen Source Battery Technology Co ltd
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Priority to CN202210943224.0A priority Critical patent/CN115487956A/en
Publication of CN115487956A publication Critical patent/CN115487956A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • 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
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • 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
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

The invention discloses a multi-nozzle ejector for a fuel cell circulating system and a using method thereof. The fuel cell injection device is provided with the injection cylinder, the end part of the injection cylinder is provided with the anti-skidding sleeve, the anti-skidding sleeve is provided with the installation groove, the anti-skidding sleeve is convenient to be installed and fixed with the hoop frame through the installation groove, one side of the hoop frame is provided with the connecting seat, the anti-skidding sleeve is convenient to be fixed with one side of a fuel cell through the connecting seat, the first injection nozzle and the injection cylinder are installed through the injection pipe of the bent structure, the injection pipe can be installed in parallel with the fuel cell, and the installation space can be reduced.

Description

Multi-nozzle ejector for fuel cell circulating system and using method thereof
Technical Field
The invention relates to the field of injectors, in particular to a multi-nozzle injector for a fuel cell circulating system and a using method thereof.
Background
The fuel cell circulating system ejector is used for injecting fuel gas for the fuel cell into a cell fuel cavity to enable the fuel in the cell to form circulation, the fuel cell is an electrochemical cell, and the fuel cell converts chemical energy of the fuel (usually hydrogen) and oxidant (usually oxygen [1 ]) into electric energy through oxidation-reduction reaction;
for example, patent publication No. CN214515368U (telescopic coaxial dual nozzle injector for variable regime fuel cells): the device comprises a shell, wherein a corrugated pipe, a spring, a nozzle assembly, a secondary flow, a mixing chamber and a diffusion chamber are arranged in the shell; the secondary flow, the mixing chamber and the diffusion chamber are communicated in sequence; the nozzle assembly comprises a first nozzle and a second nozzle which are coaxially nested, wherein the first nozzle is arranged in the second nozzle; the corrugated pipe is connected in series between the outlet and the inlet of the second nozzle, so that the second nozzle can move along with the expansion and contraction of fluid pressure, and the outlet position and the outlet area of the nozzle assembly can change along with the change of working conditions; the spring is sleeved outside the second nozzle, one end of the spring is fixed on the second nozzle, and the other end of the spring is fixed on the shell so as to ensure the coaxiality of the second nozzle in the telescopic process;
most fuel supply at present adopts the mechanical pump to carry out cyclic utilization, pump body cost is high, and the volume is great, inconvenient installation, the stability and the leakproofness of the pump body are compared in the sprayer lower, but present sprayer adopts single-nozzle or two-nozzle injection, the model of jet orifice is fixed unchangeable, unable with install on different air inlets, it is not general enough to use, and the supply of fuel and the efficiency of feed can't be regulated and control in real time, thereby make the control of feed stable inadequately, and because the structural feature of sprayer adopts the end of cone, the installation of general straight line mode, make the sprayer install the back with fuel cell, need occupy great space, it is not convenient inadequately to install and dismantle.
Disclosure of Invention
The invention aims to provide a multi-nozzle ejector for a fuel cell circulating system and a using method thereof, and aims to solve the problems that the existing ejector adopts single-nozzle or double-nozzle ejection, the type of an ejection port is fixed and cannot be installed on different air inlets, the ejector is not universal enough, and the fuel supply and feeding efficiency cannot be regulated in real time, so that the control of feeding is not stable enough, and the ejector is installed in a general linear mode by adopting the end of a cone due to the structural characteristic of the ejector, so that the ejector needs to occupy a larger space after being installed with a fuel cell, and the installation and the disassembly are not convenient enough.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multiinjector sprayer for fuel cell circulation system, includes and spouts a section of thick bamboo, it is connected with one side of fuel cell through the hoop frame to spout a section of thick bamboo, the tip that spouts a section of thick bamboo is equipped with the antiskid cover, the one end middle part that spouts a section of thick bamboo is equipped with the detachable injection pipe through the connector, the one end of injection pipe is equipped with first nozzle through the lock sleeve, the one end of first nozzle is equipped with the second nozzle, the one end of second nozzle is equipped with the detachable third nozzle.
In a further embodiment, one end of the hoop frame is provided with an elastic lug of an integrated structure, the middle of the hoop frame is provided with a hoop opening, and one end of the hoop frame is provided with a connecting seat.
In a further embodiment, the anti-slip sleeve is provided with a mounting groove, and the hoop frame is fixedly mounted with the mounting groove through the hoop opening.
In a further embodiment, a pipe interface is arranged on one side of the injection cylinder, and a screw cap is arranged at the port of the pipe interface.
In a further embodiment, the fuel filling device further comprises a fuel filling head, wherein one end of the fuel filling head is provided with a guide pipe, and one end of the guide pipe is connected with the pipe interface.
In a further embodiment, the injection device further comprises a sealing end cap, an air injection hole is formed in the end portion of the sealing end cap, an internal thread bayonet is formed in the sealing end cap and the inner side of the sealing end cap, and the sealing end cap and the tail end of the injection cylinder are fixed through threads of the internal thread bayonet.
A multi-nozzle injector for a fuel cell circulation system and method of use thereof, comprising the steps of:
s1: the hoop frame and the mounting groove are hooped and fixed, and one side of the hoop frame is connected with the fuel cell through the connecting seat;
s2: connecting one end of the jet pipe with the pipe connector, connecting the other end of the jet pipe with the first nozzle through the lock sleeve, assembling one end of the second nozzle with the first nozzle, connecting one end of the third nozzle with the second nozzle, and switching to use in different air supply holes through disassembling and assembling the third nozzle, the second nozzle and the first nozzle;
s3: connecting one end of the guide pipe with the pipe interface, and injecting fuel into the injection cylinder through the fuel adding head;
s4: and injecting injection gas through the gas injection hole, improving the injection gas pressure, conveying the fuel into the first nozzle through the injection pipe, and injecting the fuel into the fuel cell through the first nozzle.
Compared with the prior art, the invention has the beneficial effects that:
1. the fuel cell injection device is provided with the injection cylinder, the end part of the injection cylinder is provided with the anti-skidding sleeve, the anti-skidding sleeve is provided with the installation groove, the anti-skidding sleeve is convenient to be installed and fixed with the hoop frame through the installation groove, one side of the hoop frame is provided with the connecting seat, the anti-skidding sleeve is convenient to be fixed with one side of a fuel cell through the connecting seat, the first nozzle and the injection cylinder are installed through the injection pipe of the bent structure, the injection pipe can be installed in parallel with the fuel cell, and the installation space can be reduced.
2. The side surface of the injection cylinder is provided with the fuel adding head, fuel is conveniently injected into the injection cylinder through the fuel adding head, the continuous supply of the fuel is convenient, the end part of the injection cylinder is provided with the sealing end cap, the middle part of the sealing end cap is provided with the gas injection hole, gas can be injected through the gas injection hole, and the real-time power of the injection cylinder can be ensured.
Drawings
FIG. 1 is a schematic diagram of a multi-nozzle injector for a fuel cell cycle system and method of use thereof according to the present invention;
FIG. 2 is a schematic view of the structure of the cartridge of the present invention;
FIG. 3 is a side view of the cartridge of the present invention;
FIG. 4 is a schematic view of the structure of part A of the present invention.
In the figure: 1. a lock sleeve; 2. an injection pipe; 3. a hoop frame; 4. an anti-slip sleeve; 5. a conduit; 6. a fuel addition head; 7. an ejection cartridge; 8. a fuel cell; 9. a pipe connector; 10. mounting grooves; 11. a pipe interface; 12. sealing the end cap; 13. a gas injection hole; 14. a first nozzle; 15. a second nozzle; 16. a third nozzle; 17. the ears are loosened and tightened; 18. a connecting seat.
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.
Referring to fig. 1-4, an embodiment of the present invention is shown: a multi-nozzle ejector for a fuel cell circulating system comprises an ejection barrel 7, wherein the ejection barrel 7 is connected with one side of a fuel cell 8 through a hoop frame 3, an anti-skidding sleeve 4 is arranged at the end part of the ejection barrel 7, a detachable ejection pipe 2 is arranged in the middle of one end of the ejection barrel 7 through a connector 9, a first nozzle 14 is arranged at one end of the ejection pipe 2 through a locking sleeve 1, a second nozzle 15 is arranged at one end of the first nozzle 14, and a detachable third nozzle 16 is arranged at one end of the second nozzle 15.
The hoop frame 3 is used for installing the injection cylinder 7 at one side of the fuel cell 8, the connector 9 is used for facilitating the installation of the injection pipe 2, and fuel can be sent into the injection nozzle through the injection pipe 2 and is sprayed out by the injection nozzle.
Further, the one end of hoop frame 3 is equipped with the elasticity ear 17 of an organic whole structure, and the middle part of hoop frame 3 is equipped with the hoop mouth, and the one end of hoop frame 3 is equipped with connecting seat 18, can adjust the elasticity of hoop frame 3 through elasticity ear 17.
Furthermore, be equipped with mounting groove 10 on the antiskid cover 4, the installation of hoop frame 3 through hoop mouth and mounting groove 10 is fixed, and convenient installation with hoop frame 3 is fixed through mounting groove 10.
Furthermore, a pipe joint 11 is arranged on one side of the injection cylinder 7, a screw cap is arranged at the port of the pipe joint 11, and the pipe 5 is convenient to install through the pipe joint 11.
Further, a fuel feeding head 6 is included, one end of the fuel feeding head 6 is provided with a guide pipe 5, one end of the guide pipe 5 is connected with a pipe joint 11, fuel is conveniently fed through the fuel feeding head 6, and the fuel is guided into the injection cylinder 7 through the guide pipe 5.
Further, still include sealed end cap 12, the tip of sealed end cap 12 is equipped with gas injection hole 13, and sealed end cap 12 is equipped with the internal thread bayonet socket with the inboard, through the terminal thread tightening of internal thread bayonet socket with the injection section of thick bamboo 7, is used for sealing the end of the injection section of thick bamboo 7 through sealed end cap 12, can pour into gas into through gas injection hole 13 for improve the internal pressure of the injection section of thick bamboo 7, be used for injection control.
A multi-nozzle injector for a fuel cell circulation system and method of use thereof, comprising the steps of:
s1: the hoop frame 3 and the mounting groove 10 are clamped and fixed, and one side of the hoop frame 3 is connected with the fuel cell 8 through a connecting seat 18;
s2: one end of the injection pipe 2 is connected with the connector 9, the other end of the injection pipe 2 is connected with the first nozzle 14 through the lock sleeve 1, one end of the second nozzle 15 is assembled with the first nozzle 14, one end of the third nozzle 16 is connected with the second nozzle 15, and the third nozzle 16, the second nozzle 15 and the first nozzle 14 can be disassembled and assembled to be switched to use in different air supply holes;
s3: one end of the conduit 5 is connected with a pipe joint 11, and fuel is injected into the injection cylinder 7 through a fuel feeding head 6;
s4: the injection gas is injected through the gas injection hole 13 to increase the gas pressure of the injection, so that the fuel is delivered from the injection pipe 2 into the first nozzle 14 and injected into the fuel cell 8 through the first nozzle 14.
The working principle is as follows: when the fuel injection device is used, the hoop frame 3 and the installation groove 10 are clamped and fixed, one side of the hoop frame 3 is connected with a fuel cell 8 through the connecting seat 18, one end of the injection pipe 2 is connected with the connector 9, the other end of the injection pipe 2 is connected with the first nozzle 14 through the lock sleeve 1, one end of the second nozzle 15 is assembled with the first nozzle 14, one end of the third nozzle 16 is connected with the second nozzle 15, the third nozzle 16, the second nozzle 15 and the first nozzle 14 are disassembled and assembled, switching use can be carried out in different air supply holes, one end of the guide pipe 5 is connected with the pipe connector 11, fuel is injected into the injection cylinder 7 through the fuel adding head 6, injection gas is injected through the gas injection hole 13, the gas pressure of injection is improved, and the fuel is conveyed into the first nozzle 14 from the injection pipe 2 and is injected into the fuel cell 8 through the first nozzle 14.
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 (7)

1. A multi-nozzle injector for a fuel cell circulation system, comprising an injection cartridge (7), characterized in that: the fuel injection device is characterized in that the injection cylinder (7) is connected with one side of the fuel cell (8) through the hoop frame (3), the end part of the injection cylinder (7) is provided with an anti-skidding sleeve (4), the middle part of one end of the injection cylinder (7) is provided with a detachable injection pipe (2) through a connector (9), one end of the injection pipe (2) is provided with a first nozzle (14) through a lock sleeve (1), one end of the first nozzle (14) is provided with a second nozzle (15), and one end of the second nozzle (15) is provided with a detachable third nozzle (16).
2. The multi-nozzle injector for a fuel cell cycle system according to claim 1, characterized in that: the one end of hoop frame (3) is equipped with elasticity ear (17) of an organic whole structure, the middle part of hoop frame (3) is equipped with the hoop mouth, and the one end of hoop frame (3) is equipped with connecting seat (18).
3. The multi-nozzle injector for a fuel cell cycle system according to claim 1, characterized in that: the anti-skid sleeve (4) is provided with a mounting groove (10), and the hoop frame (3) is fixedly mounted with the mounting groove (10) through a hoop opening.
4. The multi-nozzle injector for a fuel cell cycle system according to claim 1, characterized in that: one side of the injection cylinder (7) is provided with a pipe joint (11), and a screw cap is arranged at the port of the pipe joint (11).
5. The multi-nozzle injector for a fuel cell cycle system according to claim 1, characterized in that: the fuel filling device is characterized by further comprising a fuel filling head (6), wherein a guide pipe (5) is arranged at one end of the fuel filling head (6), and one end of the guide pipe (5) is connected with the pipe interface (11).
6. The multi-nozzle injector for a fuel cell cycle system according to claim 1, characterized in that: still include sealed end cap (12), the tip of sealed end cap (12) is equipped with gas injection hole (13), sealed end cap (12) are equipped with the internal thread bayonet socket with the inboard, through the terminal thread tightening of internal thread bayonet socket and injection cylinder (7).
7. The multi-nozzle injector for a fuel cell cycle system and the method of using the same as set forth in claim 1, wherein: the method comprises the following steps:
s1: the hoop frame (3) and the mounting groove (10) are clamped and fixed, and one side of the hoop frame (3) is connected with the fuel cell (8) through a connecting seat (18);
s2: one end of the injection pipe (2) is connected with the pipe joint (9), the other end of the injection pipe (2) is connected with the first nozzle (14) through the lock sleeve (1), one end of the second nozzle (15) is assembled with the first nozzle (14), one end of the third nozzle (16) is connected with the second nozzle (15), and the third nozzle (16), the second nozzle (15) and the first nozzle (14) are disassembled and assembled, so that the injection pipe can be switched to be used in different air supply holes;
s3: one end of the conduit (5) is connected with the pipe interface (11), and fuel is injected into the injection cylinder (7) through the fuel adding head (6);
s4: the injection gas is injected through the gas injection hole (13), the injection gas pressure is increased, and the fuel is conveyed into the first nozzle (14) from the injection pipe (2) and is injected into the fuel cell (8) through the first nozzle (14).
CN202210943224.0A 2022-08-08 2022-08-08 Multi-nozzle ejector for fuel cell circulating system and using method thereof Withdrawn CN115487956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210943224.0A CN115487956A (en) 2022-08-08 2022-08-08 Multi-nozzle ejector for fuel cell circulating system and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210943224.0A CN115487956A (en) 2022-08-08 2022-08-08 Multi-nozzle ejector for fuel cell circulating system and using method thereof

Publications (1)

Publication Number Publication Date
CN115487956A true CN115487956A (en) 2022-12-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210943224.0A Withdrawn CN115487956A (en) 2022-08-08 2022-08-08 Multi-nozzle ejector for fuel cell circulating system and using method thereof

Country Status (1)

Country Link
CN (1) CN115487956A (en)

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Application publication date: 20221220

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