WO2024032184A1 - Déioniseur - Google Patents

Déioniseur Download PDF

Info

Publication number
WO2024032184A1
WO2024032184A1 PCT/CN2023/102988 CN2023102988W WO2024032184A1 WO 2024032184 A1 WO2024032184 A1 WO 2024032184A1 CN 2023102988 W CN2023102988 W CN 2023102988W WO 2024032184 A1 WO2024032184 A1 WO 2024032184A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner core
filter mounting
assembly
end cover
filter
Prior art date
Application number
PCT/CN2023/102988
Other languages
English (en)
Chinese (zh)
Inventor
曾建林
Original Assignee
上海弗列加滤清器有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 上海弗列加滤清器有限公司 filed Critical 上海弗列加滤清器有限公司
Publication of WO2024032184A1 publication Critical patent/WO2024032184A1/fr

Links

Classifications

    • 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
    • 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
    • H01M8/04044—Purification of heat exchange media
    • 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

Definitions

  • the present application relates to the technical field of hydrogen fuel cells, for example, to a deionizer.
  • Deionizers are used in the cooling system of hydrogen fuel cell engines and are mainly used to remove free conductive ions in the coolant.
  • the bipolar plates will generate high voltage, which requires that the generated high voltage will not be transmitted to the entire cooling circulation channel through the coolant in the middle of the bipolar plates, so the coolant is required to have a low conductivity. state.
  • the inner core of the deionizer has a single flow direction, which is mainly a straight-through type from inside to outside or a straight-through type from top to bottom.
  • the flow resistance of the internal and external straight-through structure is small, but due to structural design limitations, there is less built-in resin and the exchange capacity is low.
  • the up-and-down straight-through structure has more built-in resin and a larger exchange capacity.
  • the flow resistance is too high because the resin is too concentrated.
  • This application provides a deionizer that allows the deionizer to achieve both greater exchange capacity and smaller flow resistance.
  • This application provides a deionizer, including:
  • the upper end cover of the assembly is equipped with a liquid inlet
  • Assembly housing the assembly upper end cover is sealed and buckled on the assembly housing, an installation cavity is formed between the assembly upper end cover and the assembly housing, and the liquid inlet and the installation cavity are formed.
  • the cavities are connected, and a liquid outlet is provided at the bottom of the assembly housing;
  • the inner core assembly is arranged in the installation cavity.
  • the inner core assembly includes a base with a drain port and a first filter mounting bracket and a second filter mounting bracket located on the same side of the base.
  • the liquid port is connected with the liquid outlet
  • the first filter mounting frame is disposed at the liquid outlet
  • the second filter mounting frame The frame is arranged at the outer edge of the base, and the first filter mounting frame is located inside the second filter mounting frame, and resin is filled between the first filter mounting frame and the second filter mounting frame.
  • the top of the first filter mounting frame is provided with a first guide hole
  • the side wall of the first filter mounting frame is circumferentially provided with a plurality of first hollow structures;
  • the inner core venturi tube is installed in the first filter installation frame.
  • the inner core venturi tube includes a venturi tube main body and a guide tube with a first flow channel inside.
  • the large mouth end of the venturi tube main body is connected to the exhaust pipe.
  • the liquid port is connected, one end of the guide tube is connected to the first guide hole, the other end of the guide tube is extended and arranged in the main body of the venturi tube, and the outer wall surface of the guide tube is in contact with the first guide hole.
  • a second flow channel is formed between the inner wall surfaces of the venturi tube body.
  • Figure 1 is a schematic assembly diagram of the deionizer in the embodiment of the present application.
  • Figure 2 is an exploded schematic diagram of the deionizer in the embodiment of the present application.
  • Figure 3 is a first exploded schematic diagram of the inner core assembly and the inner core venturi tube in the embodiment of the present application;
  • Figure 4 is a schematic structural diagram of the inner core venturi tube in the embodiment of the present application.
  • Figure 5 is a top view of the inner core venturi tube in the embodiment of the present application.
  • Figure 6 is a cross-sectional view of the inner core venturi tube in the embodiment of the present application.
  • FIG. 7 is a schematic diagram of the cooling liquid flowing inside the deionizer in the embodiment of the present application.
  • Figure 8 is a second exploded schematic diagram of the inner core assembly and the inner core venturi tube in the embodiment of the present application.
  • connection should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. Connection; can be mechanical or electrical.
  • connection can be mechanical or electrical.
  • first feature to a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact. contact but through additional characteristic contact between them.
  • first feature is "on” the second feature, “Above” and “above” include the first feature being directly above or diagonally above the second feature, or simply mean that the first feature is at a higher level than the second feature.
  • “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • Deionizers are used in the cooling system of hydrogen fuel cell engines and are mainly used to remove free conductive ions in the coolant.
  • the bipolar plates will generate high voltage, which requires that the generated high voltage will not be transmitted to the entire cooling circulation channel through the coolant in the middle of the bipolar plates, so the coolant is required to have a low conductivity. state.
  • the inner core of the deionizer has a single flow direction, which is mainly a straight-through type from inside to outside or a straight-through type from top to bottom.
  • the flow resistance of the internal and external straight-through structure is small, but due to structural design limitations, there is less built-in resin and the exchange capacity is low.
  • the up-and-down straight-through structure has more built-in resin and a larger exchange capacity.
  • the flow resistance is too high because the resin is too concentrated.
  • this embodiment provides a deionizer.
  • the specific contents of this embodiment will be described in detail below with reference to FIGS. 1 to 8 .
  • the deionizer includes an assembly upper end cover 100 , an assembly housing 200 , an inner core assembly 400 and an inner core venturi tube 4 .
  • the upper end cover 100 of the assembly is provided with a liquid inlet 101.
  • the assembly upper end cover 100 is connected to the assembly housing 200 using four bolts, so that the assembly upper end cover 100 is sealed and buckled on the assembly housing 200.
  • An installation cavity is formed between the assembly upper end cover 100 and the assembly housing 200. 300, the liquid inlet 101 is connected with the installation cavity 300.
  • the upper end cover 100 of the assembly is provided with the liquid inlet 101, and the bottom of the assembly housing 200 is provided with a liquid outlet 201.
  • the inner core assembly 400 is disposed in the installation cavity 300.
  • the inner core assembly 400 includes a base 1 with a drain port 11 and a first filter mounting bracket 2 and a second filter mounting bracket 3 located on the same side of the base 1.
  • the port 11 is connected with the liquid outlet 201
  • the first filter mounting bracket 2 is set at the liquid outlet 11
  • the second filter mounting bracket 3 is set at the outer edge of the base 1
  • the first filter mounting bracket 2 is located at the second filter mounting bracket.
  • resin is filled between the first filter mounting frame 2 and the second filter mounting frame 3.
  • a first guide hole 21 is provided on the top of the first filter mounting frame 2.
  • the side wall of the first filter mounting frame 2 Circumferential settings include A plurality of first hollow structures 22 .
  • the inner core venturi tube 4 is installed in the first filter installation frame 2.
  • the inner core venturi tube 4 includes a venturi tube main body 41 and a guide tube 43 with a first flow channel 42 inside.
  • the guide tube 43 and the venturi tube main body 41 are arranged up and down. , the large end of the bottom of the Venturi tube body 41 is connected to the drain port 11, one end of the guide tube 43 is connected to the first guide hole 21, and the other end of the guide tube 43 is extended and disposed in the Venturi tube body 41.
  • the guide tube A second flow channel 44 is formed between the outer wall surface of 43 and the inner wall surface of the venturi tube body 41 .
  • the inner core assembly 400 is installed into the installation cavity 300 formed between the assembly upper end cover 100 and the assembly housing 200, and the inner core venturi tube 4 is installed In the core assembly 400, the first filter mounting bracket 2 and the second filter mounting bracket 3 are installed on the same side of the base 1, and resin is filled between the first filter mounting bracket 2 and the second filter mounting bracket 3.
  • the coolant is divided into inner and outer sections that flow from outside to inside. The straight-through fluid and the up-down straight-through fluid flowing from top to bottom.
  • the inner and outer straight-through fluid flows through the second flow channel 44 through the main body 41 of the venturi tube and generates a Venturi effect to form a high flow rate. Since the up-down straight-through fluid passes through the guide tube 43 The flow is directed into the main body 41 of the Venturi tube, and the high-velocity internal and external straight-through fluid drives the upper and lower straight-through fluids to flow rapidly, thereby accelerating the flow rate of the upper and lower straight-through fluids in the first flow channel 42, allowing the deionizer to take into account greater exchange capacity and Smaller flow resistance improves product efficiency.
  • a plurality of reinforcing ribs 45 are connected between the outer wall surface of the guide tube 43 and the inner wall surface of the venturi tube body 41 .
  • the position of the flow guide tube 43 relative to the venturi tube body 41 can be fixed to prevent the flow guide tube 43 from shaking relative to the venturi tube body 41 and interfering with the flow of fluid.
  • multiple reinforcing ribs 45 are provided, and the multiple reinforcing ribs 45 are radially distributed outward along the radial direction of the guide tube 43 to further improve the overall structural strength of the inner core venturi tube 4 .
  • a second guide hole 31 is opened on the top of the second filter mounting frame 3 , and a plurality of second hollow structures 32 are circumferentially provided on the side walls of the second filter mounting frame 3 .
  • the coolant can be divided in advance before flowing through the resin, and can be divided into up-down straight-through fluid and internal-outside straight-through fluid.
  • Type fluid when the fluid passes through the first filter mounting frame 2, it is divided twice to avoid clogging and ensure smooth flow of the fluid.
  • a plurality of third hollow structures 33 are provided on the top of the second filter mounting frame 3 , and the plurality of third hollow structures 33 are radially distributed outward along the radial direction of the second guide hole 31 .
  • the second filter mounting frame 3 includes a detachably connected second inner core upper end cover 34 and a second inner core shell 35, and the second inner core shell 35 is integrated with the base 1. structure, second inner core
  • the upper end cover 34 is provided with a second flow guide hole 31 and a plurality of third hollow structures 33
  • the second inner core shell 35 is provided with a plurality of second hollow structures 32 .
  • the second inner core upper end cover 34 is covered with a first filter screen 36
  • the second inner core housing 35 is circumferentially covered with a second filter screen 37 .
  • the first filter screen 36 and the second filter screen 37 plays a preliminary filtering role; on the other hand, it plays a role in constraining the resin particles to avoid leakage due to the second guide hole 31 and the second hollow structure 32
  • the pore size is larger than the resin particles, causing leakage of the resin particles.
  • the mesh number of the first filter screen 36 and the second filter screen 37 is 50-150 mesh.
  • the first filter mounting frame 2 includes a first inner core upper end cover 23 and a first inner core shell 24, the first inner core upper end cover 23, the first inner core shell 24, and a base. 1 and the second inner core shell 35 are of an integrated structure, the first inner core upper end cover 23 is provided with a first guide hole 21 , and the first inner core shell 24 is provided with a plurality of first hollow structures 22 .
  • the structural strength of the entire inner core assembly 400 is improved and resin filling is facilitated.
  • the first guide hole 21 is covered with a third filter screen 25
  • the first inner core housing 24 is circumferentially covered with a fourth filter screen 26 .
  • it plays the role of preliminary filtration; on the other hand, it plays the role of restraining the resin particles to avoid the leakage of the resin particles due to the pore diameter of the first guide hole 21 and the first hollow structure 22 being larger than the resin particles.
  • the mesh number of the third filter screen 25 and the fourth filter screen 26 is 50-150 mesh.
  • an installation pipe 6 is provided at one end of the base 1 away from the first filter installation frame 2.
  • the inner diameter of the installation pipe 6 is larger than the inner diameter of the drain port 11.
  • the installation pipe 6 is connected to the bottom of the assembly housing 200.
  • a first sealing ring 7 is arranged between them.
  • a mounting groove is circumferentially provided on the outer wall surface of the mounting tube 6 to facilitate the assembly of the first sealing ring 7 so that the first sealing ring 7 is sandwiched between the mounting tube 6 and the assembly housing 200.
  • a second sealing ring 500 is provided at the top connection between the assembly upper end cover 100 and the assembly housing 200 to ensure the assembly between the assembly upper end cover 100 and the assembly housing 200. Sealing to avoid coolant leakage.

Landscapes

  • 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)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un déioniseur comprenant une couverture d'extrémité supérieure d'ensemble, un logement d'ensemble, un ensemble cartouche et un tube Venturi de cartouche. Le tube Venturi de cartouche est disposé dans l'ensemble cartouche ; un premier cadre de montage de filtre et un second cadre de montage de filtre sont montés sur le même côté d'une base, et l'espace entre le premier cadre de montage de filtre et le second cadre de montage de filtre est rempli par une résine.
PCT/CN2023/102988 2022-08-10 2023-06-28 Déioniseur WO2024032184A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210954165.7 2022-08-10
CN202210954165.7A CN115207398A (zh) 2022-08-10 2022-08-10 去离子器

Publications (1)

Publication Number Publication Date
WO2024032184A1 true WO2024032184A1 (fr) 2024-02-15

Family

ID=83586728

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/102988 WO2024032184A1 (fr) 2022-08-10 2023-06-28 Déioniseur

Country Status (2)

Country Link
CN (1) CN115207398A (fr)
WO (1) WO2024032184A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115207398A (zh) * 2022-08-10 2022-10-18 上海弗列加滤清器有限公司 去离子器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005071709A (ja) * 2003-08-21 2005-03-17 Toyo Roki Mfg Co Ltd 燃料電池用イオン除去フィルタ
CN211295276U (zh) * 2019-12-16 2020-08-18 浙江润丰氢发动机有限公司 一种车载氢燃料电池冷却液处理集成装置
CN214913674U (zh) * 2021-07-08 2021-11-30 深圳伊腾迪新能源有限公司 一种拆卸方便的去离子器
CN114300710A (zh) * 2021-12-28 2022-04-08 马勒汽车技术（中国）有限公司 集成式去离子器
CN115207398A (zh) * 2022-08-10 2022-10-18 上海弗列加滤清器有限公司 去离子器
CN218069919U (zh) * 2022-08-10 2022-12-16 上海弗列加滤清器有限公司 去离子器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005071709A (ja) * 2003-08-21 2005-03-17 Toyo Roki Mfg Co Ltd 燃料電池用イオン除去フィルタ
CN211295276U (zh) * 2019-12-16 2020-08-18 浙江润丰氢发动机有限公司 一种车载氢燃料电池冷却液处理集成装置
CN214913674U (zh) * 2021-07-08 2021-11-30 深圳伊腾迪新能源有限公司 一种拆卸方便的去离子器
CN114300710A (zh) * 2021-12-28 2022-04-08 马勒汽车技术（中国）有限公司 集成式去离子器
CN115207398A (zh) * 2022-08-10 2022-10-18 上海弗列加滤清器有限公司 去离子器
CN218069919U (zh) * 2022-08-10 2022-12-16 上海弗列加滤清器有限公司 去离子器

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Publication number Publication date
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