WO2020175916A1 - 수소충전소용 수분제거장치 - Google Patents

수소충전소용 수분제거장치 Download PDF

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Publication number
WO2020175916A1
WO2020175916A1 PCT/KR2020/002761 KR2020002761W WO2020175916A1 WO 2020175916 A1 WO2020175916 A1 WO 2020175916A1 KR 2020002761 W KR2020002761 W KR 2020002761W WO 2020175916 A1 WO2020175916 A1 WO 2020175916A1
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WO
WIPO (PCT)
Prior art keywords
hydrogen
unit
removal device
moisture
housing
Prior art date
Application number
PCT/KR2020/002761
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English (en)
French (fr)
Inventor
공임모
정길성
Original Assignee
한국자동차연구원
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Publication of WO2020175916A1 publication Critical patent/WO2020175916A1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/10—Arrangements for preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0447—Composition; Humidity
    • F17C2250/0452—Concentration of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/01—Purifying the fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45—Hydrogen technologies in production processes

Definitions

  • the present invention relates to a moisture removal device for a hydrogen charging station. More specifically,
  • a fuel cell is a device that directly converts the chemical energy of the fuel into electric energy within the cell without converting it into heat by combustion.
  • a fuel cell stack composed of a fuel cell assembly in which a unit cell that produces electricity is stacked and its surrounding parts are supplied with hydrogen and oxidizer phosphate as fuel gas to produce electricity.
  • the purpose is to provide a water removal device for a hydrogen charging station that can easily remove moisture discharged from a storage container since it is equipped with a hydrogen compound and is installed in an interchangeable manner on a hydrogen supply line.
  • the moisture removal device for a hydrogen charging station includes: a housing part connected to a hydrogen supply line that supplies hydrogen to a cooler, a passage part and a passage part that are located inside the housing part and form a passage through which hydrogen is moved. It is located between the and the housing part and features a reaction part that removes moisture inside the housing part and generates hydrogen.
  • the housing unit is connected to the hydrogen supply line located between the hydrogen storage container and the cooler.
  • It is characterized by including a housing body that is connected to both sides and is installed in a shape surrounding the flow path and the reaction section.
  • the channel section is characterized by being a porous channel with a plurality of voids.
  • reaction part is characterized by containing a hydrogen compound.
  • the hydrogen compound is characterized by MgH 2 or NaBH 4 .
  • the present invention is located inside the housing part facing the reaction part,
  • the moisture removal device for a hydrogen charging station is installed in a replaceable manner in the hydrogen supply line of a hydrogen charging station, and reacts with the moisture discharged from the hydrogen storage container to generate hydrogen, making it easier to moisture in the hydrogen supply line. Can be removed.
  • the present invention can improve operation reliability because the hydrogen sensor unit and the moisture sensor unit are operated so that the replacement timing of the reaction unit can be automatically known.
  • Figure 1 is a water removal device for a hydrogen charging station according to an embodiment of the present invention
  • FIG. 2 shows a water removal device for a hydrogen charging station according to an embodiment of the present invention
  • FIG. 3 shows a configuration connected to the control unit according to an embodiment of the present invention
  • FIG. 4 is a diagram showing another embodiment of a flow path unit according to an embodiment of the present invention.
  • Figure 1 is a water removal device for a hydrogen charging station according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view showing a moisture removal device for a hydrogen charging station according to an embodiment of the present invention
  • FIG. 3 is an example of the present invention.
  • 2020/175916 1» (:1 ⁇ 1 ⁇ 2020/002761) is a block diagram showing a configuration connected to a control unit according to an embodiment
  • Fig. 4 is a cross-sectional view showing another embodiment of a flow path unit according to an embodiment of the present invention.
  • the hydrogen charging station (1) includes a hydrogen compressor (3), a hydrogen storage container (5), a moisture removal device (10) for a hydrogen charging station, a cooler (6), and a hydrogen charger (7). Include.
  • Hydrogen generated in the hydrogen compressor (3) is transferred to the hydrogen storage container (5) for storage, or a separate hydrogen transfer vehicle can be moved to supply the hydrogen to the hydrogen storage container (5).
  • the hydrogen storage container (5) is connected to a moisture removal device (10) for a hydrogen charging station, and the moisture contained in the hydrogen is removed from the moisture removal device (10) for a hydrogen charging station, and the hydrogen is transferred to the cooler (6).
  • the cooler (6) cools the hydrogen flowing along the hydrogen supply line (8) to a set temperature and then delivers it to the hydrogen charger (7).
  • the hydrogen storage container (5) has an inner space for storing hydrogen.
  • the cooler (6) is called a pre-cooler, and the hydrogen transferred from the hydrogen storage container (5) to the hydrogen charger (7) is set at a set temperature. To cool.
  • Hydrogen heavy electric vehicles (7) supply hydrogen to hydrogen electric vehicles (9) to convert hydrogen electric vehicles (9).
  • the hydrogen compressor (3), the hydrogen storage container (5), the cooler (6), and the hydrogen charger (7) are known configurations used in general hydrogen charging stations (1), so detailed descriptions thereof are omitted.
  • the moisture removal device 10 Since the moisture removal device 10 is equipped with a hydrogen compound, it can effectively remove moisture discharged from the hydrogen storage container 5 and maintain the quality of hydrogen in a high quality state.
  • the water removal device 10 for a hydrogen charging station is connected to a hydrogen supply line 8 for supplying hydrogen to a cooler 6
  • the housing part 20 is located inside the housing part 20 and is located between the passage part 30 and the housing part 20 and the passage part 30 forming a passage through which hydrogen moves, and the housing part ( 20) and includes a reaction section 40 for removing moisture and generating hydrogen.
  • the housing part (20) is attached to and detached from the hydrogen supply line (8) that supplies hydrogen to the cooler (6).
  • the housing unit 20 is detachably installed on the hydrogen supply line 8 located between the hydrogen storage container 5 and the cooler 6.
  • the housing unit 20 includes a connecting pipe section 22 connected to the hydrogen supply line 8 and
  • connection pipe part 22 is connected to both sides and includes a housing body 24 installed in a shape surrounding the flow path part 30 and the reaction part 40. On both sides of the housing body 24
  • connection pipe part 22 is connected, and the outer diameter of the connection pipe part 22 is smaller than that of the housing body 24.
  • each of the flow path section (30) and the reaction section (40) are installed 2020/175916 1»(:1 ⁇ 1 ⁇ 2020/002761
  • the passage part 30 is located inside the housing part 20, and the passage through which hydrogen moves.
  • the flow path part 30 is characterized in that it is a porous flow path having a plurality of voids.
  • the flow path part 30 is made of an object forming a plurality of voids, and the movement of hydrogen
  • This flow path section 30 sinters powder having an irregular shape within the technical idea to provide a plurality of apertures for the transfer of hydrogen. It can be made in many ways, including.
  • the passage part 31 may be formed of a plurality of members.
  • the passage part 31 according to another embodiment includes a first passage part 33 and a first passage part 33 located inside the housing part 20 including an inlet through which hydrogen and moisture enter and forming a porous passage. ) To move the hydrogen passing through
  • It includes a second flow passage portion 34 installed inside the housing body 24.
  • the second passage part 34 faces the connecting pipe part 22 installed at the exit of the housing part 20
  • the second passage part 34 may be composed of a powder having an irregular shape.
  • the second channel part 34 contains a porous metal element (Metal 1 ⁇ ), and has a plurality of pores that are larger than hydrogen particles and smaller than those of moisture particles. Therefore, only hydrogen is the second channel part (34). It can pass through and be transferred to the cooler 6, which causes the moisture to react with the reactor.
  • Metal 1 ⁇ a porous metal element
  • reaction unit 40 is located between the passage unit 30 and the housing unit 20, and removes moisture inside the housing unit 20 Hydrogen
  • the reaction unit 40 includes a hydrogen compound, and the hydrogen compound is characterized in that it is MgH 2 or NaBH 4 .
  • the moisture contained in the hydrogen is removed. This moisture can also occur in the operation of compressing the hydrogen compressor (3) to a high pressure of 50 to 531 or higher, and can flow into the inside of the hydrogen storage container (5) by various methods. Moisture may be introduced.
  • the moisture removal device 10 for a hydrogen charging station is replaced by a module unit.
  • the moisture removal device (10) Since the moisture removal device (10) is used, it has a structure that removes moisture and supplies hydrogen mainly.
  • Hydrogen compounds are also hydrogenated , Lithium aluminum hydride And, sodium borohydride It can be composed of any one of, sodium hydride 3 ⁇ 4 and potassium hydride 101.
  • Lithium aluminum hydride which is a hydrogen compound, and sodium hydride, sodium hydride, and potassium hydride are also bound to the moisture contained in hydrogen and to lithium aluminum, sodium borate, sodium and potassium, and hydrogen is generated and moisture is removed.
  • the moisture removal device 10 for a hydrogen charging station is provided with the reaction unit 40 and the housing unit 20
  • the reaction unit 40 measures the concentration of hydrogen generated by reacting with water and transmits the measured value to the control unit 70.
  • the moisture contained in the hydrogen discharged from the housing part 20 is measured, and the measured value is transmitted to the control part 70.
  • This control unit 70 receives the measured values of the hydrogen sensor unit 50 and the moisture sensor unit 55
  • the operator is notified of the replacement of the moisture removal device 10 for the hydrogen charging station through the notification unit 80.
  • the transmission/reception unit 60 receives the measured value of the hydrogen sensor unit 50 to generate a wireless signal, and the wireless signal of the transmission/reception unit 60 is transmitted to the control unit 70.
  • the control unit 70 It receives a signal from the transmission/reception unit 60, and automatically notifies the replacement time of the reaction unit 40 through the notification unit 80, thereby improving the convenience of use.
  • the water removal device 10 for a hydrogen charging station can be easily applied to an existing hydrogen charging station 1, and due to moisture accumulation without a separate storage container replacement or purging process Can solve hydrogen quality problems,
  • Water accumulated in the hydrogen storage container (5) may freeze while passing through the cooler (6), which is a pre-cooler, and if the moisture contained in the hydrogen exceeds the set value, the operation of the hydrogen charging station (1) may be stopped.
  • Water is removed from the water removal device 10 for the hydrogen heavy power plant, and the hydrogen that has passed through the water removal device is supplied to the hydrogen heavy electricity 7 through a cooler (6).
  • the flow path portions 30, 31 may be made of a single member, and, if necessary, may be formed of a plurality of members such as the first flow path part 33 and the second flow path part 34.
  • the control unit 70 displays, through the notification unit 80, that the hydrogen filling station moisture removal device 10 is in the finishing operation.
  • control unit 70 replaces the reaction unit 40 based on the measured values of the hydrogen sensor unit 50 and the moisture sensor unit 55. Inform the operator through the notification unit 80 that the information is necessary.
  • the hydrogen sensor unit 50 and the moisture sensor unit ( 55) is operated so that the replacement timing of the reaction unit 40 can be automatically known, so operation reliability can be improved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Fuel Cell (AREA)

Abstract

본 발명에 따른 수소충전소용 수분제거장치는: 냉각기로 수소를 공급하는 수소공급라인에 연결되는 하우징부와, 하우징부의 내측에 위치하며 수소가 이동되는 통로를 형성하는 유로부 및 유로부와 하우징부의 사이에 위치하며 하우징부의 내측에 있는 수분을 제거하고 수소를 발생시키는 반응부를 포함하는 것을 특징으로 한다.

Description

2020/175916 1»（：1/10公020/002761 명세서
발명의 명칭:수소충전소용수분제거장치 기술분야
[1] 본발명은수소충전소용수분제거장치에관한것으로,보다상세하게는
수소화합물을구비하며수소공급라인상에교체식으로설치되므로
저장용기에서배출되는수분을용이하게제거할수있는수소충전소용 수분제거장치에관한것이다.
배경기술
[2] 일반적으로,연료전지는연료가가지고있는화학에너지를연소에의해열로 바꾸지않고전지내에서직접전기에너지로바꾸는장치이이다.
[3] 이러한연료전지에서는전기를생산하는단위전지가적층되어 있는연료전지 셀어셈블리및그주변부품으로구성된연료전지스택이연료기체인수소와 산화제인산소를공급받아전기를생산한다.
[4] 한편,연료전지가장착된차량에서는연료로사용되는수소를수소탱크에미리 충전시킨뒤수소탱크의수소를관련배관을통해연료전지로공급하여전기를 생산한다.이와같이연료전지차량이수소를연료로사용하고있는만큼 내연기관자동차와마찬가지로수소충전을위한수소충전소가필수적이다.
[5] 그러나수소를저장하는저장용기에서수소공급라인을따라수소가이동될때 수소에설정치이상의수분이포함되는경우빙결현상을유발하여안전사고가 발생될수있는문제점이있다.따라서이를개선할필요성이요청된다.
[6] 본발명의배경기술은대한민국공개특허공보제 2006-0116604호（2006.11.15 공개,발명의명칭:수소충전소의연료전지차량용수소누출검사장치）에 게시되어 있다.
발명의상세한설명
기술적과제
[7] 본발명은상기와같은문제점을개선하기위해창출된것으로,본발명의
목적은수소화합물을구비하며수소공급라인상에교체식으로설치되므로 저장용기에서배출되는수분을용이하게제거할수있는수소충전소용 수분제거장치를제공하는것이다.
과제해결수단
[8] 본발명에따른수소충전소용수분제거장치는:냉각기로수소를공급하는 수소공급라인에연결되는하우징부와,하우징부의내측에위치하며수소가 이동되는통로를형성하는유로부및유로부와하우징부의사이에위치하며 하우징부의내측에있는수분을제거하고수소를발생시키는반응부를 포함하는것을특징으로한다.
[9] 또한하우징부는,수소저장용기와냉각기의사이에위치하는수소공급라인에 2020/175916 1»（：1^1{2020/002761
2 작탈가능하게설치되는것을특징으로한다.
[1이 또한하우징부는,수소공급라인에연결되는연결관로부및연결관로부가
양측에연결되며유로부와반응부를감싸는형상으로설치되는하우징몸체를 포함하는것을특징으로한다.
[11] 또한유로부는복수의공극을구비하는다공성유로인것을특징으로한다.
[12] 또한반응부는수소화합물을포함하는것을특징으로한다.
[13] 또한수소화합물은 MgH 2또는 NaBH 4인것을특징으로한다.
[14] 또한본발명은,반응부와마주하는하우징부의내측에위치하며수소의
농도를측정하는수소센서부와,수소센서부의측정값을전달받아무선신호를 발생시키는송수신부및송수신부의신호를전달받으며알림부를통해 반응부의교체시기를알리는제어부를포함하는것을특징으로한다.
발명의효과
[15] 본발명에따른수소충전소용수분제거장치는,수소충전소의수소공급라인에 교체식으로설치되며,수소저장용기에서배출되는수분과반응하여수소를 발생시키므로수소공급라인의수분을용이하게제거할수있다.
[16] 또한본발명은수소센서부와수분센서부가동작되어반응부의교체시기를 자동으로알수있으므로동작신뢰성을향상시킬수있다.
도면의간단한설명
[17] 도 1은본발명의일실시예에따른수소충전소용수분제거장치가
수소충전소에설치된상태를도시한블록도이다.
[18] 도 2는본발명의일실시예에따른수소충전소용수분제거장치를도시한
단면도이다.
[19] 도 3은본발명의일실시예에따른제어부에연결된구성을도시한
블록도이다.
[2이 도 4는본발명의일실시예에따른유로부의다른실시예를도시한
단면도이다.
발명의실시를위한최선의형태
[21] 이하첨부된도면들을참조하여본발명의일실시예에따른수소충전소용
수분제거장치를설명한다.이과정에서도면에도시된선들의두께나
구성요소의크기등은설명의명료성과편의상과장되게도시되어있을수있다.
[22] 또한후술되는용어들은본발명에서의기능을고려하여정의된용어들로서, 이는사용자,운용자의의도또는관례에따라달라질수있다.그러므로이러한 용어들에대한정의는본명세서전반에걸친내용을토대로내려져야할 것이다.
[23] 도 1은본발명의일실시예에따른수소충전소용수분제거장치가
수소충전소에설치된상태를도시한블록도이며,도 2는본발명의일실시예에 따른수소충전소용수분제거장치를도시한단면도이며,도 3은본발명의일 2020/175916 1»（：1^1{2020/002761 실시예에따른제어부에연결된구성을도시한블록도이며,도 4는본발명의일 실시예에따른유로부의다른실시예를도시한단면도이다.
[24] 도 1에도시된바와같이수소충전소 (1)는수소압축기 (3)와수소저장용기 (5)와 수소충전소용수분제거장치 (10)와냉각기 (6)와수소충전기 (7)를포함한다.
[25] 수소압축기 (3)에서발생된수소는수소저장용기 (5)로이동되어저장된다.또는 별도의수소이송차량이이동되어수소저장용기 (5)로수소를공급할수있다.
[26] 수소저장용기 (5)는수소충전소용수분제거장치 (10)와연결되며,수소충전소용 수분제거장치 (10)에서수소에포함된수분은제거되며냉각기 (6)로수소가 이동된다.냉각기 (6)는수소공급라인 (8)을따라이동되는수소를설정된온도로 냉각시킨후수소충전기 (7)로전달한다.
[27] 수소저장용기 (5)는수소를저장하기위한내측공간을구비한다.냉각기 (6)는 프리쿨러라고하며,수소저장용기 (5)에서수소충전기 (7)로이동되는수소를 설정된온도로냉각시킨다.
[28] 수소중전기 (7)는수소전기차 (9)로수소를공급하여수소전기차 (9)를
충전시킨다.수소압축기 (3)와수소저장용기 (5)와냉각기 (6)와수소충전기 (7)는 일반적인수소충전소 (1)에서사용되는공지된구성이므로이에따른상세한 설명은생략한다.
[29] 또한수소압축기 (3)와수소저장용기 (5)와수소충전소용수분제거장치 (10)와 냉각기 (6)와수소충전기 (7)는연결관로인수소공급라인 (8)에의해연결된다.
[3이 본발명의일실시예에의한수소충전소용수분제거장치 (10)는
수소공급라인 (8)상에탈착가능하게설치된다.수소충전소용
수분제거장치 (10)는수소화합물을구비하므로,수소저장용기 (5)에서배출되는 수분을효과적으로제거하고,수소의품질을양질의상태로유지시킬수있다.
[31] 도 1내지도 3에도시된바와같이,본발명의일실시예에따른수소충전소용 수분제거장치 (10)는,냉각기 (6)로수소를공급하는수소공급라인 (8)에연결되는 하우징부 (20)와,하우징부 (20)의내측에위치하며수소가이동되는통로를 형성하는유로부 (30)및유로부 (30)와하우징부 (20)의사이에위치하며 하우징부 (20)의내측에 있는수분을제거하고수소를발생시키는반응부 (40)를 포함한다.
[32] 하우징부 (20)는냉각기 (6)로수소를공급하는수소공급라인 (8)에착탈
가능하게연결된다.일실시예에따른하우징부 (20)는,수소저장용기 (5)와 냉각기 (6)의사이에위치하는수소공급라인 (8)에착탈가능하게설치된다.
[33] 또한하우징부 (20)는수소공급라인 (8)에연결되는연결관로부 (22)및
연결관로부 (22)가양측에연결되며유로부 (30)와반응부 (40)를감싸는형상으로 설치되는하우징몸체 (24)를포함한다.하우징몸체 (24)의양측에
연결관로부 (22)가연결되며,하우징몸체 (24)보다연결관로부 (22)의외경이작게 형성된다.
[34] 하우징몸체 (24)의내측에는유로부 (30)와반응부 (40)가각각설치되어 2020/175916 1»（：1^1{2020/002761
4 하우징몸체 (24)를따라이동되는수소에포함된수분을제거한다.
[35] 유로부 (30)는하우징부 (20)의내측에위치하며,수소가이동되는통로를
형성하는기술사상안에서다양한형상으로이루어질수있다.일실시예에따른 유로부 (30)는복수의공극을구비하는다공성유로인것을특징으로한다.
[36] 유로부 (30)는복수의공극을형성하는물체로이루어지며,수소의이동은
허용하며수소에포함된수분은반응부 (40)를향한방향으로안내한다.이러한 유로부 (30)는수소가이동되기위한복수의통공을구비하기위한기술사상 안에서불규칙한형상을갖는파우더를소결하는등다양한방식으로만들어질 수있다.
[37] 또한도 4에도시된바와같이유로부 (31)는복수의부재로이루어질수있다. 다른실시예에의한유로부 (31)는,수소와수분이들어오는입구를포함한 하우징부 (20)의내측에위치하며다공성유로를형성하는제 1유로부 (33)와, 제 1유로부 (33)를통과한수소가이동되기위한통공을구비하며
하우징몸체 (24)의내측에설치되는제 2유로부 (34)를포함한다.
[38] 제 2유로부 (34)는하우징부 (20)의출구에설치된연결관로부 (22)를향하여
개구된형상을가지고있으며제 1유로부 (33)의내측에위치한다.
제 2유로부 (34)는불규칙한형상을갖는파우더로구성될수있다.
[39] 수분을포함한수소가제 1유로부 (33)를통과하며수분은반응부 (40)를향한 방향으로안내되며수소는제 2유로부 (34)를향한방향으로안내된다.수소보다 큰입자를갖는수분은제； [유로부 (33)에걸려서이동이구속되며,이러한수분은 반응부 (40)와반응하여수소를생성하므로수소에포함된수분은제거된다.
[4이 그리고제 2유로부 (34)는다공성메탈엘리멘트 (Metal 1^ )를포함하며수소 입자보다는크고수분의입자보다는작은공극을복수로구비한다.따라서 수소만제 2유로부 (34)를통과하여냉각기 (6)로이동될수있으며,수분은 반응기와반응됨을유도한다.
[41] 도 1내지도 3에도시된바와같이,반응부 (40)는유로부 (30)와하우징부 (20)의 사이에위치하며,하우징부 (20)의내측에있는수분을제거하고수소를
발생시키는기술사상안에서다양한형상으로이루어질수있다.일실시예에 따른반응부 (40)는수소화합물을포함하며 ,이러한수소화합물은 MgH 2또는 NaBH 4인것을특징으로한다.
[42] 아래반응식에서보인바와같이,
[43] + 2卜 120 _02 + 4
[44] NaBH 4가물과반응하여수소를생성시킨다.따라서냉각기 (6)를통과하는
수소에포함된수분을제거한다.이러한수분은수소압축기 (3)에서 50아531 이상의고압으로압축하는작업에서도발생할수있으며,외부에서유입될수 있는등다양한방법에의해수소저장용기 (5)의내측으로수분이유입될수있다.
[45] 반응부 (40)의수소화합물은소모성이므로,수소화합물을교체할경우
수소충전소용수분제거장치 (10)를모듈단위로교체한다.이러한수소충전소용 2020/175916 1»（：1^1{2020/002761
5 수분제거장치 (10)를사용하므로수분은제거하고수소는주가적으로공급하는 구조를갖는다.
[46] 또한수소화합물은수소화
Figure imgf000007_0002
,수소화알루미늄리튬
Figure imgf000007_0001
과, 수소화붕소나트륨
Figure imgf000007_0003
,수소화나트륨어&¾과,수소화칼륨 (101)중어느 하나로구성될수있다.
[47] 수소화합물인수소화알루미늄리튬과,수소화붕산나트륨,수소화나트륨, 수소화칼륨역시수소에포함된수분에알루미늄리튬,붕산나트륨,나트륨, 칼륨에결합되고,수소가발생되며수분이제거된다.
[48] 수소충전소용수분제거장치 (10)는반응부 (40)와마주하는하우징부 (20)의
내측에위치하며수소의농도를측정하는수소센서부 (50)를포함한다.
수소센서부 (50)는반응부 (40)와마주하는위치에설치되므로,반응부 (40)에서 물과반응하여발생되는수소의농도를측정하여제어부 (70)로측정값을 전달한다.
[49] 그리고수분센서부 (55)는출구측에위치한연결관로부 (22)에설치되어
하우징부 (20)에서배출되는수소에포함된수분을측정하여제어부 (70)로 측정값을전달한다.
[5이 제어부 (70)는수소센서부 (50)와수분센서부 (55)의측정값을전달받아
수소충전소용수분제거장치 (10)의교체여부를알림부 (80)를통해작업자에게 알린다.
[51] 송수신부 (60)는수소센서부 (50)의측정값을전달받아무선신호를발생시키며, 이러한송수신부 (60)의무선신호는제어부 (70)로전달된다.제어부 (70)는 송수신부 (60)의신호를전달받으며,알림부 (80)를통해반응부 (40)의교체시기를 자동으로알리므로사용의편의성을향상시킬수있다.
[52] 본발명의일실시예에따른수소충전소용수분제거장치 (10)는,기존에설치된 수소충전소 (1)에도용이하게적용할수있으며,별도의저장용기교체나퍼지 과정없이도수분누적으로인한수소품질문제를해결할수있으며,
수소충전소 (1)가동중단시간도최소화할수있다.
[53] 만약수소충전소용수분제거장치 (10)를설치하지않는경우,
수소저장용기 (5)에누적된수분이프리쿨러인냉각기 (6)를통과하면서빙결될 수있으며,수소에포함된수분이설정치를초과하는경우수소충전소 (1)의 운영이정지될수도있다.
[54] 이하에서는첨부된도면들을참조하여본발명의일실시예에따른
수소충전소용수분제거장치 (10)의작동상태를상세히설명한다.
[55] 수소압축기 (3)에서압축된고압의수소가수소저장용기 (5)에저장된후
수소중전소용수분제거장치 (10)에서수분이제거된다.그리고수분제거장치를 통과한수소는냉각기 (6)를거쳐수소중전기 (7)로공급된다.
[56] 수소충전소용수분제거장치 (10)로기체가공급되면,유로부 (30)의다공성
유로를통과하며냉각기 (6)를향한방향으로수소가배출된다.수소충전소용 2020/175916 1»（：1^1{2020/002761
6 수분제거장치 (10)로유입된기체에수분이 있을경우,반응부 (40)의
수소화합물과결합하여수분은제거되고수소가발생된다.
[57] 유로부 (30, 31)는단일부재로이루어질수있으며,필요에따라제 1유로부 (33)와 제 2유로부 (34)등복수의부재로이루어질수도있다.
[58] 반응부 (40)에의해수분이제거되고수소가발생될경우,수소센서부 (50)에서 측정된수소농도는높아지고수분센서부 (55)에서는수분이측정되지않는다. 따라서제어부 (70)는알림부 (80)를통해수소충전소용수분제거장치 (10)가정삭 작동중이라는표시를한다.
[59] 한편반응부 (40)의수명이다하여수분을흡수하지못하는경우,제어부 (70)는 수소센서부 (50)와수분센서부 (55)의측정값을바탕으로반응부 (40)의교체가 필요하다는안내를알림부 (80)를통해작업자에게알린다.
[6이 상술한바와같이 ,본발명에따르면수소충전소 (1)의수소공급라인 (8)에
교체식으로설치되며,수소저장용기 (5)에서배출되는수분과반응하여수소를 발생시키므로수소공급라인 (8)의수분을용이하게제거할수있다.또한 수소센서부 (50)와수분센서부 (55)가동작되어반응부 (40)의교체시기를 자동으로알수있으므로동작신뢰성을향상시킬수있다.
[61] 본발명은도면에도시된실시예를참고로하여설명되었으나이는예시적인 것에불과하며,당해기술이속하는분야에서통상의지식을가진자라면 이로부터다양한변형및균등한타실시예가가능하다는점을이해할것이다. 따라서본발명의진정한기술적보호범위는아래의특허청구범위에의해서 정하여져야할것이다.

Claims

2020/175916 1»（：1/10公020/002761 7 청구범위
[청구항 1] 냉각기로수소를공급하는수소공급라인에연결되는하우징부;
상기하우징부의내측에위치하며수소가이동되는통로를형성하는 유로부;및
상기유로부와상기하우징부의사이에위치하며,상기하우징부의 내측에 있는수분을제거하고수소를발생시키는반응부;를포함하는 것을특징으로하는수소충전소용수분제거장치 .
[청구항 2] 제 1항에 있어서 ,상기하우징부는,
수소저장용기와상기냉각기의사이에위치하는상기수소공급라인에 착탈가능하게설치되는것을특징으로하는수소중전소용 수분제거장치.
[청구항 3] 제 2항에 있어서 ,상기하우징부는,
상기수소공급라인에연결되는연결관로부;및
상기연결관로부가양측에연결되며,상기유로부와상기반응부를 감싸는형상으로설치되는하우징몸체;를포함하는것을특징으로하는 수소중전소용수분제거장치 .
[청구항 4] 제 1항에 있어서,상기유로부는,
복수의공극을구비하는다공성유로인것을특징으로하는 수소중전소용수분제거장치 .
[청구항 5] 제 1항에 있어서,상기반응부는,
수소화합물을포함하는것을특징으로하는수소중전소용수분제거장치. [청구항 6] 제 5항에 있어서,상기수소화합물은,
MgH 2또는 NaBH 4인것을특징으로하는수소충전소용수분제거장치 . [청구항 7] 제 1항에 있어서,
상기반응부와마주하는상기하우징부의내측에위치하며,수소의 농도를측정하는수소센서부;
상기수소센서부의측정값을전달받아무선신호를발생시키는송수신부; 및
상기송수신부의신호를전달받으며알림부를통해상기반응부의 교체시기를알리는제어부;를포함하는것을특징으로하는 수소중전소용수분제거장치 .
PCT/KR2020/002761 2019-02-26 2020-02-26 수소충전소용 수분제거장치 WO2020175916A1 (ko)

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