WO2020256448A1 - 폭발을 방지하기 위한 촉매형 수소 제거장치 - Google Patents
폭발을 방지하기 위한 촉매형 수소 제거장치 Download PDFInfo
- Publication number
- WO2020256448A1 WO2020256448A1 PCT/KR2020/007936 KR2020007936W WO2020256448A1 WO 2020256448 A1 WO2020256448 A1 WO 2020256448A1 KR 2020007936 W KR2020007936 W KR 2020007936W WO 2020256448 A1 WO2020256448 A1 WO 2020256448A1
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- WIPO (PCT)
- Prior art keywords
- catalyst
- hydrogen
- removal device
- hydrogen removal
- catalytic hydrogen
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/108—Hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
-
- 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 invention relates to a catalytic hydrogen removal device for preventing explosion, and more particularly, an explosion generated by a low concentration of hydrogen of 5% or less discharged from a fuel cell using hydrogen as a fuel or an internal combustion engine using hydrogen as a fuel.
- a catalytic hydrogen removal device for preventing explosions that can efficiently remove even low concentration of hydrogen.
- an internal combustion engine using hydrogen or a vehicle powered by a fuel cell (hereinafter, referred to as a hydrogen vehicle) has an advantage of being able to significantly reduce the amount of harmful emissions compared to fossil fuels.
- Korean Patent Registration No. 10-1331391 "Palladium/titania catalyst having the ability to remove formaldehyde, carbon monoxide and hydrogen contained in air at room temperature, and a method for producing the same," It is required, and the manufacturing method has a problem in that a process of reducing at a high temperature in a hydrogen and nitrogen atmosphere must be performed based on a reduction method.
- the currently developed catalyst for hydrogen removal initiates a reaction when the concentration of hydrogen is concentrated above a certain level (when it is at a high concentration). There is a problem that is not suitable for removing low-concentration hydrogen.
- a trace amount of hydrogen may be leaked during the operation of an internal combustion engine of a hydrogen vehicle or a fuel cell, and there is a risk that an explosion and fire may occur even if a very low concentration of highly flammable hydrogen is leaked.
- An object of the present invention has been devised to solve the above-described problems, and is a catalyst for preventing explosion due to accumulation of trace amounts of low-concentration hydrogen flowing out of a fuel cell using hydrogen as a fuel or an internal combustion engine using hydrogen as a fuel. It is to provide a type hydrogen removal device.
- Another object of the present invention is to provide a catalytic hydrogen removal device for preventing explosion that evenly contacts the fluid with the catalyst so as not to reduce the hydrogen removal efficiency by contacting only part of the sucked fluid with the catalyst.
- the catalytic hydrogen removal device for preventing explosion is for preventing explosion caused by low concentration hydrogen flowing out of a fuel cell using hydrogen as a fuel or an internal combustion engine using hydrogen as a fuel.
- a catalytic hydrogen removal device comprising: an inlet disposed on an upper portion of a fuel cell or an internal combustion engine; a hollow body extending from the inlet; and an agent disposed on the inner front surface of the body to oxidize hydrogen contained in a fluid sucked through the inlet. 1 It characterized in that it comprises a catalyst, a fan disposed on the inner rear surface of the body, and an outlet extending to the rear surface of the body.
- the first catalyst is characterized in that it is coupled to the hollow body in the form of a cylindrical honeycomb structure in which a plurality of holes are formed.
- the first catalyst is characterized in that it is prepared through a drying and sintering process after preparing a slurry by supporting a carrier in an aqueous solution containing platinum colloid.
- the first catalyst is characterized in that it is produced by coating a coating solution containing platinum colloid on a catalyst frame made of a ceramic material.
- it characterized in that it further comprises a vortex generator for generating a vortex in the fluid sucked in the front of the first catalyst.
- the first catalyst is characterized in that a plurality of holes are formed, and the vortex generator is arranged such that a plurality of resistors correspond to each hole of the first catalyst, and is arranged spaced apart from the first catalyst by a predetermined distance. do.
- a low concentration of less than 5% hydrogen is continuously removed from a fuel cell using hydrogen as a fuel or an internal combustion engine using hydrogen as a fuel.
- the catalytic hydrogen removal device for preventing explosion according to the present invention, turbulence is generated in the flow of the sucked fluid so that the sucked fluid can evenly contact the catalyst, thereby improving the hydrogen removal efficiency.
- FIG. 1 is a perspective view showing a catalytic hydrogen removal device for preventing explosion according to the present invention.
- Figure 2 is a front view showing the body of the catalytic hydrogen removal device for preventing explosion according to the present invention.
- FIG 3 is a rear view showing the body of a catalytic hydrogen removal device for preventing explosion according to the present invention.
- Figure 4 is a perspective view showing another embodiment of a catalytic hydrogen removal device for preventing explosion according to the present invention.
- FIG. 5 is a cross-sectional view according to another embodiment of a catalytic hydrogen removal apparatus for preventing explosion according to the present invention.
- FIG. 1 is a perspective view showing a catalytic hydrogen removal device for preventing explosion according to the present invention
- Figure 2 is a front view showing the body of a catalytic hydrogen removal device for preventing explosion according to the present invention
- Figure 3 Is a rear view showing the body of the catalytic hydrogen removal device for preventing explosion according to the present invention
- Figure 4 is a perspective view showing another embodiment of the catalytic hydrogen removal device for preventing explosion according to the present invention 5 is a cross-sectional view according to another embodiment of a catalytic hydrogen removal device for preventing explosion according to the present invention.
- the catalytic hydrogen removal device for preventing explosion is provided by a fuel cell installed in an engine room of a hydrogen vehicle using hydrogen as a fuel or by low concentration hydrogen flowing out from an internal combustion engine.
- the inlet (1) and the inlet (1) are disposed above the fuel cell of the engine room or the internal combustion engine to inhale the fluid (air) inside the engine room containing low concentration hydrogen.
- the hollow body (2) extending from the first catalyst (11) and the body (2) disposed on the inner front surface of the body (2) to oxidize low concentration hydrogen contained in the fluid sucked through the inlet (1) It consists of a fan 4 disposed on the inner rear side and an outlet 3 extending to the rear side of the body 2.
- the fluid inside the engine room is sucked through the suction port 1 by the rotation of the fan 4 disposed on the rear surface of the body 2, and the low concentration hydrogen contained in the sucked fluid is absorbed by the body ( While passing through the first catalyst 11 disposed in front of 2), it is oxidized and removed by reacting with the first catalyst 11, and is discharged to the outside of the vehicle through the outlet 3, or is recycled into the engine room.
- the first catalyst 11 is formed in a cylindrical shape of a honeycomb structure in which a plurality of holes are formed to increase a surface area in contact with the sucked fluid, and is coupled to the inside of the hollow body 2.
- the shape of the hole formed in the first catalyst 11 may be formed in a circular or polygonal shape, and there is no particular restriction on the size.
- the first catalyst 11 supports the carrier in an aqueous solution containing platinum colloid so that the platinum colloid can be supported in an amount of 0.1 to 1 parts by weight based on 100 parts by weight of the carrier so that the oxidation reaction with low concentration hydrogen can be carried out efficiently. After preparing the slurry, it is manufactured through drying and firing processes.
- 0.1 to 10 parts by weight of an additive material is added to 100 parts by weight of the slurry prepared by supporting the carrier in an aqueous solution containing platinum colloid so that the platinum colloid can be supported in an amount of 0.1 to 1 parts by weight based on 100 parts by weight of the carrier.
- the additive material may include at least one of iron, nickel, palladium, and titanium.
- the first catalyst 11 may be prepared by first manufacturing a catalyst frame made of a porous material such as a ceramic material, and then coating a coating solution containing platinum colloid.
- FIG. 4 is a diagram showing another embodiment of a catalytic hydrogen removal device for preventing explosion according to the present invention
- FIG. 5 is a cross-sectional view of another embodiment, wherein the first is installed inside the body 2 It may be configured to further include a vortex generator 5 for generating a vortex in the fluid sucked in front of the catalyst 11.
- the vortex generator 5 installed on the front surface of the first catalyst 11 having a plurality of holes formed therein is provided through the support so that the plurality of resistors 5a correspond to each hole of the first catalyst 11. It is connected and arranged and supported in a plurality of rows and columns.
- the vortex generator 5 is spaced apart from the first catalyst 11 by a certain distance and is arranged to form a space in which a vortex can occur in the fluid passing through the vortex generator 5.
- a second catalyst 12 may be further included on the rear surface of the first catalyst 11, and the size and arrangement position of the holes arranged in the second catalyst 12 are the sizes of the holes arranged in the first catalyst 11 And it is configured to be different from the arrangement position, as shown in the enlarged P2 of FIG. 5, while passing through the first catalyst 11 in a laminar flow form, the first catalyst 11 is located at the center of the hole of the first catalyst 11 ) May be configured to be able to contact hydrogen through the second catalyst 12.
- the second catalyst 12 may be manufactured through one of the manufacturing methods described above, but may be manufactured and disposed to have a different manufacturing method or configuration from the first catalyst 11.
- it may be configured to include only one of the vortex generation unit 5 and the second catalyst 12, or include both the vortex generation unit 5 and the second catalyst 12, and separately block the inflow of foreign matter. It may be configured to further include a filter for performing.
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
Description
Claims (4)
- 수소를 연료로 하는 연료전지 또는 수소를 연료로 하는 내연기관에서 유출되는 수소에 의해 발생되는 폭발을 방지하기 위한 촉매형 수소 제거장치에 있어서,연료전지 또는 내연기관의 상부에 배치되는 흡입구와;상기 흡입구로부터 연장되는 중공 몸체와;상기 몸체의 내부 전면에 배치되어 흡입구를 통해 흡입된 유체에 포함된 수소를 산화시키는 제1 촉매와;상기 몸체의 내부 후면에 배치되는 팬과;상기 몸체의 후면으로 연장되는 배출구와;상기 제1 촉매의 전면에 설치되어 흡입된 유체에 와류를 발생시키는 와류 발생부를 포함하며,상기 제1 촉매는 복수 개의 홀이 형성되어 있으며,상기 와류 발생부는 복수 개의 저항체가 제1 촉매의 각 홀에 대응하도록 배열되어 있으며, 제1 촉매로부터 일정한 거리만큼 이격되어 배치된 것을 특징으로 하는폭발을 방지하기 위한 촉매형 수소 제거장치.
- 제 1항에 있어서,제1 촉매는 복수 개의 홀이 형성된 허니컴 구조의 원기둥 형태로 중공 몸체에 결합되는 것을 특징으로 하는폭발을 방지하기 위한 촉매형 수소 제거장치.
- 제 1항에 있어서,제1 촉매는백금 콜로이드를 포함하는 수용액에 담체를 담지하여 슬러리를 제조한 후 건조 및 소성 공정을 거쳐 제조되는 것을 특징으로 하는폭발을 방지하기 위한 촉매형 수소 제거장치.
- 제 1항에 있어서,제1 촉매는세라믹 재질로 구성된 촉매 프레임에 백금 콜로이드를 포함하는 코팅액을 코팅하여 제조되는 것을 특징으로 하는폭발을 방지하기 위한 촉매형 수소 제거장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020190073118A KR102095530B1 (ko) | 2019-06-19 | 2019-06-19 | 폭발을 방지하기 위한 촉매형 수소 제거장치 |
KR10-2019-0073118 | 2019-06-19 |
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WO2020256448A1 true WO2020256448A1 (ko) | 2020-12-24 |
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PCT/KR2020/007936 WO2020256448A1 (ko) | 2019-06-19 | 2020-06-18 | 폭발을 방지하기 위한 촉매형 수소 제거장치 |
Country Status (3)
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KR (1) | KR102095530B1 (ko) |
CN (1) | CN112107994A (ko) |
WO (1) | WO2020256448A1 (ko) |
Families Citing this family (2)
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KR102095530B1 (ko) * | 2019-06-19 | 2020-03-31 | 주식회사 엔알티 | 폭발을 방지하기 위한 촉매형 수소 제거장치 |
KR102459930B1 (ko) * | 2020-10-07 | 2022-10-31 | 주식회사 숨 | 팬을 이용한 수소 제거 장치 및 그 동작방법 |
Citations (6)
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KR20120108815A (ko) * | 2011-03-25 | 2012-10-05 | 박형호 | 수소를 사용하는 발열장치 및 발열방법 |
KR20130036912A (ko) * | 2011-10-05 | 2013-04-15 | 현대자동차주식회사 | 연료전지 차량 배출수소가스 제거 장치 |
KR20150003511U (ko) * | 2014-03-14 | 2015-09-23 | 한국원자력기술 주식회사 | 금속지지체를 이용한 수소제거용 촉매체 |
KR20170016079A (ko) * | 2015-08-03 | 2017-02-13 | (주) 세라컴 | 잠수함 내의 수소를 제어하기 위한 잠수함 수소 제거장치 및 이를 이용한 잠수함 내의 수소 제어방법 |
KR20190052464A (ko) * | 2017-11-08 | 2019-05-16 | 주식회사 아이에코 | 저농도 수소 제거를 위한 백금계 촉매 및 그 제조방법 |
KR102095530B1 (ko) * | 2019-06-19 | 2020-03-31 | 주식회사 엔알티 | 폭발을 방지하기 위한 촉매형 수소 제거장치 |
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JP2007332849A (ja) * | 2006-06-14 | 2007-12-27 | Hino Motors Ltd | 排気浄化装置 |
JP4959650B2 (ja) * | 2008-08-07 | 2012-06-27 | 三菱重工業株式会社 | 排ガス処理装置及び排ガス処理システム |
KR101331391B1 (ko) | 2011-06-03 | 2013-11-22 | (주) 세라컴 | 상온에서 공기 중에 포함된 포름알데히드, 일산화탄소 및 수소 제거능을 갖는 팔라듐/티타니아 촉매 및 그 제조 방법 |
US20150194686A1 (en) * | 2012-06-28 | 2015-07-09 | International Engine Intellectual Property Company Llc | Catalytic hydrogen combustor |
CN103268949B (zh) * | 2013-05-24 | 2015-04-15 | 新源动力股份有限公司 | 一种燃料电池消氢装置 |
CN108626831A (zh) * | 2017-03-17 | 2018-10-09 | 韩国科学技术研究院 | 空气净化模块及含其的空气净化装置 |
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2019
- 2019-06-19 KR KR1020190073118A patent/KR102095530B1/ko active IP Right Grant
-
2020
- 2020-06-12 CN CN202010538127.4A patent/CN112107994A/zh not_active Withdrawn
- 2020-06-18 WO PCT/KR2020/007936 patent/WO2020256448A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20120108815A (ko) * | 2011-03-25 | 2012-10-05 | 박형호 | 수소를 사용하는 발열장치 및 발열방법 |
KR20130036912A (ko) * | 2011-10-05 | 2013-04-15 | 현대자동차주식회사 | 연료전지 차량 배출수소가스 제거 장치 |
KR20150003511U (ko) * | 2014-03-14 | 2015-09-23 | 한국원자력기술 주식회사 | 금속지지체를 이용한 수소제거용 촉매체 |
KR20170016079A (ko) * | 2015-08-03 | 2017-02-13 | (주) 세라컴 | 잠수함 내의 수소를 제어하기 위한 잠수함 수소 제거장치 및 이를 이용한 잠수함 내의 수소 제어방법 |
KR20190052464A (ko) * | 2017-11-08 | 2019-05-16 | 주식회사 아이에코 | 저농도 수소 제거를 위한 백금계 촉매 및 그 제조방법 |
KR102095530B1 (ko) * | 2019-06-19 | 2020-03-31 | 주식회사 엔알티 | 폭발을 방지하기 위한 촉매형 수소 제거장치 |
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KR102095530B1 (ko) | 2020-03-31 |
CN112107994A (zh) | 2020-12-22 |
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