KR102521501B1 - SCR system - Google Patents

SCR system Download PDF

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KR102521501B1
KR102521501B1 KR1020230007848A KR20230007848A KR102521501B1 KR 102521501 B1 KR102521501 B1 KR 102521501B1 KR 1020230007848 A KR1020230007848 A KR 1020230007848A KR 20230007848 A KR20230007848 A KR 20230007848A KR 102521501 B1 KR102521501 B1 KR 102521501B1
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South Korea
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scr catalyst
hood
scr
exhaust gas
main body
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KR1020230007848A
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Korean (ko)
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김용철
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주식회사 신성플랜트
김용철
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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
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • 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
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01D53/88—Handling or mounting catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

The present invention relates to an SCR system of a novel configuration which can effectively remove dust attached to an SCR catalyst without stopping an operation of the system and in which dust scatters inside the system, thereby dispel concerns about dust re-attached to the SCR catalyst. The SCR system comprises: a main body (100) of which an inflow port (110), through which exhaust gas containing nitrogen oxide flows, is formed on one side and an outflow port (120), through which denitrified purified gas is discharged, is formed on the other side, wherein the inflow port (110) is connected to an exhaust line of an exhaust gas discharge facility; an SCR catalyst unit (200) in which SCR catalyst modules (220) are stacked vertically and horizontally and installed inside the main body (100) so as to cross a path, through which exhaust gas is transported, wherein the SCR catalyst modules (220) consist of a plurality of plate-shaped SCR catalyst cartridges (210) stored in a module housing (222) to form a ventilation passage (224), through which exhaust gas is transferred; and a suction hood device (300) including a hood (310) formed in a size corresponding to the SCR catalyst modules (220) and positioned in front of the SCR catalyst modules (220) to face the SCR catalyst modules (220), a suction pipe (320), one end of which is connected to the hood (310) and the other end connected to a dust collector provided outside the main body (320), a suction fan which generates suction force in the hood (310), and a moving means (330) for moving the hood (310) vertically and horizontally so that the hood (310) is selectively aligned with one of the SCR catalyst modules (220).

Description

SCR시스템{SCR system}SCR system {SCR system}

본 발명은 SCR시스템에 관한 것으로서, 보다 상세하게는 시스템의 작동을 중단하지 않고 SCR촉매에 부착된 분진을 제거할 수 있는 새로운 구성의 SCR시스템에 관한 것이다. The present invention relates to an SCR system, and more particularly, to an SCR system of a new configuration capable of removing dust attached to an SCR catalyst without stopping the operation of the system.

SCR시스템(Selective Catalytic Reduction System)은 질소산화물을 저감시키는 탈질시스템으로, 환원제와 배기가스를 SCR촉매에 동시에 통과시켜서 배기가스 중의 질소산화물을 질소와 물로 환원시키는 것이다. 이러한 SCR시스템에서 상기 SCR촉매에 분진이 쌓이면 배기가스의 흐름이 방해되어 탈질효율을 저하시키는 문제가 발생된다. The SCR system (Selective Catalytic Reduction System) is a denitrification system that reduces nitrogen oxides, and reduces nitrogen oxides in the exhaust gas to nitrogen and water by simultaneously passing a reducing agent and exhaust gas through an SCR catalyst. In such an SCR system, when dust accumulates on the SCR catalyst, the flow of exhaust gas is obstructed, resulting in a problem of lowering the denitrification efficiency.

한편, 이러한 문제를 해결하기 위해 종래에는 SCR촉매에 에어를 분사하여 SCR촉매에 부착된 분진을 털어내고 있다. 그러나 SCR촉매에 에어를 분사하면 SCR촉매에서 탈리된 분진이 SCR시스템 내부에 그대로 존재되므로 SCR촉매에 다시 재 적층되는 문제가 발생되며, SCR촉매에 부착된 분진을 제거하는 동안에는 SCR시스템의 작동을 중단시켜야 하는 단점이 있다.On the other hand, in order to solve this problem, conventionally, air is sprayed on the SCR catalyst to remove dust attached to the SCR catalyst. However, when air is blown to the SCR catalyst, the dust detached from the SCR catalyst remains inside the SCR system, causing a problem of re-stacking on the SCR catalyst. There are downsides to doing.

대한민국 등록특허 제10-1830988호(2018. 02. 13.)Republic of Korea Patent No. 10-1830988 (2018. 02. 13.) 대한민국 등록특허 제10-0692802호(2007. 03. 02.)Republic of Korea Patent No. 10-0692802 (2007. 03. 02.)

본 발명은 상기와 같은 문제점에 착안하여 제안된 것으로서, 본 발명의 목적은 시스템의 작동을 중단하지 않고 SCR촉매에 부착된 분진을 효과적으로 제거할 수 있으며, 분진이 시스템 내부로 비산되어 SCR촉매에 재 부착될 우려도 없는 새로운 구성의 새로운 구성의 SCR시스템을 제공하는 것이다.The present invention has been proposed in view of the above problems, and an object of the present invention is to effectively remove dust attached to the SCR catalyst without stopping the operation of the system, and the dust is scattered into the system and reappears on the SCR catalyst. It is to provide an SCR system of a new configuration of a new configuration with no fear of attachment.

본 발명의 특징에 따르면, 일측에는 질소산화물이 포함된 배기가스가 유입되는 유입구(110)가 형성되고 타측에는 탈질처리된 정화가스가 배출되는 배출구(120)가 형성되어, 상기 유입구(110)가 배기가스 배출시설의 배기라인에 연결되는 본체(100); 판상의 SCR촉매카트리지(210)가 배기가스가 이송되는 통기로(224)가 형성되도록 모듈하우징(222)에 복수개 수납되어 이루어진 SCR촉매모듈(220)들이 상하좌우로 적층되어, 배기가스가 이송되는 경로를 가로지르도록 상기 본체(100) 내부에 설치되는 SCR촉매부(200); 및 상기 SCR촉매모듈(220)에 대응되는 크기로 형성되어 상기 SCR촉매모듈(220)을 향하도록 SCR촉매모듈(220) 전방에 위치되는 후드(310)와, 일단은 상기 후드(310)에 연결되고 타단은 상기 본체(320) 외부에 구비되는 집진기에 연결되는 흡입관(320)과, 상기 후드(310)에 흡입력을 발생시키는 흡입팬과, 상기 후드(310)가 상기 SCR촉매모듈(220) 중의 어느 하나에 선택적으로 정렬되도록 후드(310)를 상하좌우로 이동시키는 이동수단(330)을 포함하는 흡입후드장치(300);를 포함하며, 상기 후드(310)를 상기 SCR촉매모듈(220) 중 어느 하나에 정렬되도록 이동된 상태에서 상기 흡입팬이 작동되면, 상기 SCR촉매부(200)를 통과하여 탈질처리된 정화가스가 상기 SCR촉매부(200)를 역방향으로 통과하여 후드(310)로 흡입되면서 SCR촉매카트리지(210)에 부착된 분진이 탈진되는 것을 특징으로 하는 SCR시스템이 제공된다.According to a feature of the present invention, an inlet 110 through which exhaust gas containing nitrogen oxides flows is formed on one side and an outlet 120 through which denitrification-processed purified gas is discharged is formed on the other side, so that the inlet 110 A main body 100 connected to an exhaust line of an exhaust gas emission facility; A plurality of SCR catalyst modules 220 formed by storing a plurality of plate-shaped SCR catalyst cartridges 210 in the module housing 222 are stacked up, down, left and right to form a ventilation passage 224 through which the exhaust gas is transported, through which the exhaust gas is transported. An SCR catalyst unit 200 installed inside the main body 100 to cross the path; and a hood 310 formed in a size corresponding to the SCR catalyst module 220 and positioned in front of the SCR catalyst module 220 so as to face the SCR catalyst module 220, and one end connected to the hood 310. and the other end is a suction pipe 320 connected to a dust collector provided outside the main body 320, a suction fan generating suction power to the hood 310, and the hood 310 among the SCR catalyst module 220. A suction hood device 300 including a moving means 330 for moving the hood 310 up, down, left and right so as to be selectively aligned with one of the SCR catalyst modules 220. When the suction fan is operated in a state in which it is moved to be aligned with one, the purified gas denitrified through the SCR catalyst unit 200 passes through the SCR catalyst unit 200 in the reverse direction and is sucked into the hood 310. As the dust attached to the SCR catalyst cartridge 210 is exhausted, an SCR system is provided.

본 발명의 다른 특징에 따르면, 상기 후드(310)의 전면 둘레부에서 전후로 신축되는 커버부재(314)와, 상기 커버부재(314)의 선단부가 상기 SCR촉매모듈(220)의 전면에 닿거나 SCR촉매모듈(220)의 전면에서 이격되도록 커버부재(314)를 신축시키는 신축수단(316)을 포함하는 커버장치(312)가 더 구비되어, 상기 후드(310)의 이동시에는 상기 커버부재(314)가 축소되고, 상기 후드(310)가 SCR촉매모듈(220) 중의 어느 하나에 정렬되어 상기 흡입팬이 작동되는 경우에는 상기 커버부재가 신장되어 후드와 SCR촉매모듈(220) 사이의 틈이 커버된다.According to another feature of the present invention, a cover member 314 that expands back and forth on the front circumference of the hood 310, and the front end of the cover member 314 touches the front surface of the SCR catalyst module 220 or the SCR catalyst module 220. A cover device 312 including an expansion/contraction means 316 for stretching and contracting the cover member 314 to be spaced apart from the front of the catalyst module 220 is further provided, so that when the hood 310 moves, the cover member 314 is reduced, and when the hood 310 is aligned with one of the SCR catalyst modules 220 and the suction fan operates, the cover member extends to cover the gap between the hood and the SCR catalyst module 220. .

본 발명의 또 다른 특징에 따르면, 상기 집진기는 상기 본체(100)와 상기 배출시설 사이에 구비되어, 상기 배출시설에서 배출되는 배기가스에 함유된 분진이 상기 집진기에서 집진되고, 상기 흡입후드장치를 통해 흡입되어 배출되는 가스에 함유된 분진이 상기 집진기에서 집진되어 상기 본체(100)로 재 유입된다.According to another feature of the present invention, the dust collector is provided between the main body 100 and the emission facility, dust contained in the exhaust gas discharged from the emission facility is collected by the dust collector, and the suction hood device Dust contained in the gas sucked and discharged through the dust collector is collected by the dust collector and re-introduced into the main body 100 .

본 발명의 또 다른 특징에 따르면, 상기 SCR촉매카트리지(210)는 SCR촉매케이지(212) 내부에 SCR촉매(211)가 수용된 것으로서, 상기 SCR촉매케이지(212)는 사각틀형태의 측면프레임(214)과, 상기 측면프레임(214)의 상, 하면에 결합되는 직조철망(216)과, 상기 직조철망(216) 외측에 결합되는 익스펜디드 메탈라스(expended metal lath)(218)로 이루어진다.According to another feature of the present invention, the SCR catalyst cartridge 210 has an SCR catalyst 211 accommodated inside an SCR catalyst cage 212, and the SCR catalyst cage 212 has a square frame shape side frame 214 And, it consists of a woven wire mesh 216 coupled to the upper and lower surfaces of the side frame 214, and an expanded metal lath 218 coupled to the outside of the woven wire mesh 216.

이상과 같은 본 발명은 SCR촉매부가 SCR촉매모듈이 상하좌우로 배열되어 이루어지고, 흡입후드장치가 각각의 SCR촉매모듈에 정렬되도록 이동되면서 SCR모듈에 부착된 분진이 탈진되는 것이므로, SCR시스템의 작동을 중단시키지 않으면서 SCR촉매모듈에 부착된 분진을 탈진시킬 수 있는 장점을 가진다. As described above, in the present invention, the SCR catalyst unit is made by arranging the SCR catalyst modules vertically and horizontally, and the dust attached to the SCR module is exhausted while the suction hood device is moved to align with each SCR catalyst module, so the operation of the SCR system It has the advantage of being able to exhaust the dust attached to the SCR catalyst module without stopping it.

또한, 흡입후드장치를 통해 분진이 흡입되어 탈진되는 것이므로 분진이 본체 내부에서 비산되어 SCR모듈에 재 부착되는 것이 방지된다.In addition, since the dust is sucked and exhausted through the suction hood device, dust is scattered inside the main body and reattached to the SCR module is prevented.

뿐만 아니라 SCR촉매카트리지의 통기면이 직조철망과 익스펜디드 메탈라스가 적층되어 이루어지므로 SCR촉매카트리지가 견고하며, SCR촉매가 작은 크기의 펠릿타입으로 이루어진 경우에도 SCR촉매가 빠져나올 우려가 없다.In addition, since the ventilation surface of the SCR catalyst cartridge is made of laminated woven wire mesh and expanded metal lath, the SCR catalyst cartridge is robust, and there is no fear of the SCR catalyst escaping even when the SCR catalyst is made of a small-sized pellet type.

도 1은 본 발명의 바람직한 실시예의 개략도
도 2는 상기 따른 SCR촉매카트리지의 사시도
도 3은 상기 SCR촉매카트리지의 분해사시도
도 4는 상기 실시예에 따른 SCR촉매모듈의 사시도
도 5는 상기 SCR촉매모듈의 단면도
도 6은 상기 실시예의 요부 정면도
도 7은 상기 실시예의 요부 단면도
도 8은 상기 실시예의 흡입후드장치의 작동상태 단면도
1 is a schematic diagram of a preferred embodiment of the present invention;
2 is a perspective view of the SCR catalyst cartridge according to the above
3 is an exploded perspective view of the SCR catalyst cartridge
4 is a perspective view of the SCR catalyst module according to the embodiment
5 is a cross-sectional view of the SCR catalyst module
6 is a front view of the main part of the embodiment
7 is a cross-sectional view of a main part of the embodiment
Figure 8 is a cross-sectional view of the operating state of the suction hood device of the embodiment

이하에서 본 발명을 좀 더 구체적으로 설명한다. Hereinafter, the present invention will be described in more detail.

도 1 내지 도 8은 본 발명의 바람직한 실시예를 보인 도면이다. 본 발명은 도시된 바와 같이, 질소산화물이 포함된 배기가스가 유입되는 유입구(110)와 탈질처리된 정화가스가 배출되는 배출구(120)가 형성된 본체(100)와, 가스가 이송되는 경로를 가로지르도록 상기 본체(100) 내부에 설치되는 SCR촉매부(200)와, SCR촉매부(200)의 전방에 구비되는 흡입후드장치(300)를 포함한다.1 to 8 are views showing a preferred embodiment of the present invention. As shown in the drawing, the present invention includes a main body 100 having an inlet 110 through which exhaust gas containing nitrogen oxide flows and an outlet 120 through which denitrification-treated gas is discharged, and a path through which the gas is transported. It includes an SCR catalyst unit 200 installed inside the main body 100 and a suction hood device 300 provided in front of the SCR catalyst unit 200.

상기 본체(100)는 질소산화물이 포함된 배기가스가 유입되는 유입구(110)가 일측에 형성되고, 타측에는 탈질처리된 정화가스가 배출되는 배출구(120)가 형성된다. The main body 100 has an inlet 110 through which exhaust gas containing nitrogen oxide flows in and an outlet 120 through which denitrification-treated gas is discharged is formed on the other side.

이러한 본체(100)는 선박이나 육상플랜트 등과 같은 배기가스 배출시설에서 배출되는 배기가스가 상기 유입구(110)를 통해 유입되도록 배출시설의 배기라인에 연결되는데, 바람직하게는 도 1에 도시된 바와 같이, 배출시설에서 배출되는 배기가스가 집진기(10)를 통해 입자상물질이 1차로 제거된 상태로 본체(100)에 유입되도록 배기가스 배출시설의 배기라인에 연결된 집진장치(10)에 상기 유입구(110)가 연결된다. 미 설명부호 130은 요소수나 암모니아 등의 환원제를 본체 내부로 유입되는 배기가스에 분사하는 환원제 분사노즐이다. The main body 100 is connected to an exhaust line of an exhaust facility such that exhaust gas discharged from an exhaust gas emission facility such as a ship or an onshore plant is introduced through the inlet 110. Preferably, as shown in FIG. , the inlet 110 to the dust collector 10 connected to the exhaust line of the exhaust gas discharge facility so that the exhaust gas discharged from the discharge facility flows into the main body 100 in a state in which particulate matter is primarily removed through the dust collector 10 ) is connected. Denoted by reference numeral 130 is a reducing agent injection nozzle for spraying a reducing agent such as urea solution or ammonia to the exhaust gas flowing into the main body.

상기 SCR촉매부(200)는 복수개의 SCR촉매카트리지(210)가 수용된 SCR촉매모듈(220)들이 상하좌우로 배열되어 형성되는데, SCR촉매부(200)는 배기가스가 이송되는 경로를 가로지르도록 본체(100) 내부에 설치된다. The SCR catalyst unit 200 is formed by vertically arranging SCR catalyst modules 220 in which a plurality of SCR catalyst cartridges 210 are accommodated, and the SCR catalyst unit 200 crosses the path through which the exhaust gas is transported. It is installed inside the main body 100.

상기 SCR촉매카트리지(210)는 도 2, 3에 도시된 바와 같이, 납작한 판상의 SCR촉매케이지(212) 내부에 SCR촉매(211)가 수용된 것으로서, 상기 촉매케이지(212)는 사각틀형태의 측면프레임(214)과, 측면프레임(214)의 상, 하면에 순차적으로 결합되는 직조철망(216) 및 익스펜디드 메탈라스(expended metal lath)(218)로 이루어져서, 측면프레임(214) 내부에 SCR촉매(211)가 수용되는 공간이 형성되고, SCR촉매케이지(212)의 상, 하면은 상기 직조철망(216) 및 익스펜디드 메탈라스(expended metal lath)(218)에 의해 통기가능한 통기면을 이룬다. 통상적으로 SCR촉매는 모노리스 타입(monolith type)과 펠릿타입(pallet type)으로 나누어지는데, 본 발명에서는 펠릿타입의 SCR촉매를 사용한다.As shown in FIGS. 2 and 3, the SCR catalyst cartridge 210 has an SCR catalyst 211 accommodated inside a flat plate-shaped SCR catalyst cage 212, and the catalyst cage 212 has a square frame-shaped side frame 214, a woven wire mesh 216 sequentially coupled to the upper and lower surfaces of the side frame 214, and an expanded metal lath 218, and an SCR catalyst inside the side frame 214 A space in which 211 is accommodated is formed, and the upper and lower surfaces of the SCR catalyst cage 212 form a ventilable surface by the woven wire mesh 216 and the expanded metal lath 218 . Conventionally, SCR catalysts are divided into monolith type and pellet type. In the present invention, a pellet type SCR catalyst is used.

직조철망(216)은 비교적 망눈의 크기가 작기 때문에 SCR촉매가 크기가 작은 펠릿 타입인 경우에도 직조철망(226)의 망눈을 빠져나올 우려가 없으나, 직조철망(216)은 강도가 약한 단점을 가진다. 반면, 익스펜디드 메탈라스(218)는 주지된 바와 같이, 금속시트에 일정방향으로 등간격의 절단면을 내고 옆으로 길게 늘려서 다이아몬드형태의 망눈을 만든 것이므로, 망눈이 상당히 크기 때문에 펠릿타입의 SCR촉매가 익스펜디드 메탈라스(218)를 빠져나올 우려가 있는 반면에, 직조철망(216)에 비해 강도가 우수한 장점을 가진다. Since the size of the mesh of the woven wire mesh 216 is relatively small, even when the SCR catalyst is a small-sized pellet type, there is no fear of coming out of the mesh of the woven wire mesh 226, but the woven wire mesh 216 has a weak strength. . On the other hand, as is well known, the expanded metal lath 218 is a diamond-shaped mesh made by cutting a metal sheet at equal intervals in a certain direction and extending it laterally, so the mesh is quite large, so it is a pellet-type SCR catalyst. While there is a risk of escaping the expanded metal lath 218, it has an advantage of superior strength compared to the woven wire mesh 216.

본 발명에서는 직조철망(216)과 익스펜디드 메탈라스(218)가 적층되어 SCR촉매카트리지(210)의 상, 하면이 형성됨에 따라 SCR촉매카트리지(210)가 익스펜디드 메탈라스(228)에 의해 소요되는 수준의 내구성을 가지며, 직조철망(226)에 의해 펠릿타입의 SCR촉매(211)가 외부로 빠져나올 우려가 없는 장점을 가진다. 미 설명 부호 219는 직조철망(226)과 익스펜디드 메탈라스(218)를 측면프레임(214)에 결합시키기 위한 결합프레임이다.In the present invention, as the upper and lower surfaces of the SCR catalyst cartridge 210 are formed by stacking the woven wire mesh 216 and the expanded metal lath 218, the SCR catalyst cartridge 210 is attached to the expanded metal lath 228. It has a level of durability required by the woven wire mesh 226, and has the advantage that there is no fear that the pellet-type SCR catalyst 211 escapes to the outside by the woven wire mesh 226. Reference numeral 219 is a coupling frame for coupling the woven wire mesh 226 and the expanded metal lath 218 to the side frame 214.

그리고 상기 SCR촉매모듈(220)은 이러한 SCR촉매카트리지(210)들이 전후로 개방된 사각통체 형태의 모듈하우징(222)에 수납되어 이루어지는데, 도 4, 5에 도시된 바와 같이, SCR촉매카트리지(210)는 SCR촉매카트리지(210) 사이사이에 배기가스가 이동되는 통기로(224)가 형성되도록 상호 이격되도록 수납된다. 미 설명부호 223은 상기 통기로(224)의 전, 후 단부를 교호로 차단하도록 모듈하우징(222)의 전, 후면에 형성된 차단판으로서, 이 차단판(223)에 의해 상기 통기로(224)는 지그재그 형태로 연결형성된다.In addition, the SCR catalyst module 220 is formed by storing these SCR catalyst cartridges 210 in a module housing 222 in the form of a rectangular cylinder opened in front and rear. As shown in FIGS. 4 and 5, the SCR catalyst cartridge 210 ) are accommodated so as to be spaced apart from each other so that a ventilation passage 224 through which exhaust gas is moved is formed between the SCR catalyst cartridges 210. Reference numeral 223 denotes a blocking plate formed on the front and rear surfaces of the module housing 222 to alternately block the front and rear ends of the air passage 224, and the air passage 224 is blocked by the blocking plate 223. is connected in a zigzag form.

한편, 상기 흡입후드장치(300)는 상기 SCR촉매모듈(220) 들을 구성하는 SCR촉매카트리지(210)에 부착된 입자상 물질, 즉, 분진을 탈진하기 위한 것으로서, SCR촉매모듈(220) 전방에 위치되는 후드(310)와, 후드(310)에 연결되어 본체(100) 외부에 구비된 집진기(12)에 연결되는 흡입관(320)과, 상기 후드(310) 또는 집진기(12)에 연결되어 후드(310)에 흡입력을 발생시키는 흡입팬(미도시)과, 상기 후드(310)를 상하좌우로 이동시키는 이동수단(330)을 포함한다. On the other hand, the suction hood device 300 is for exhausting particulate matter, that is, dust, attached to the SCR catalyst cartridge 210 constituting the SCR catalyst modules 220, and is located in front of the SCR catalyst module 220 a hood 310, a suction pipe 320 connected to the hood 310 and connected to the dust collector 12 provided outside the main body 100, and a hood connected to the hood 310 or the dust collector 12 ( 310) and a suction fan (not shown) generating suction power, and moving means 330 for moving the hood 310 up, down, left and right.

상기 후드(310)는 SCR촉매모듈(220)의 전면에 대응되는 크기로 형성되어 SCR촉매모듈(220)을 향하도록 SCR촉매모듈(220) 전방에 위치되며, 상기 흡입관(320)은 일단이 후드(310)에 연결되고 타단이 본체(100) 외부에 구비된 집진기(12)에 연결된다. 본 실시예에서는 흡입관(320)이 본 발명의 전단에 구비되어 배출시설에서 배출되는 분진이 1차로 집진되는 집진기(10)와 별도의 집진기(12)가 연결된 것으로 예시되었으나, 경우에 따라서는 흡입관(320)이 본 발명의 전단에 연결된 집진기(10)에 연결되어 흡입후드장치(300)에서 흡입되어 배출되는 가스가 본체(100) 내부로 재 투입되도록 구성될 수도 있다.The hood 310 is formed in a size corresponding to the front surface of the SCR catalyst module 220 and is located in front of the SCR catalyst module 220 so as to face the SCR catalyst module 220, and the suction pipe 320 has one end of the hood. 310 and the other end is connected to the dust collector 12 provided outside the main body 100. In this embodiment, the suction pipe 320 is provided at the front end of the present invention, and the dust collector 10 in which the dust discharged from the discharge facility is primarily collected is illustrated as being connected to a separate dust collector 12, but in some cases, the suction pipe ( 320) may be connected to the dust collector 10 connected to the front end of the present invention so that the gas sucked and discharged from the suction hood device 300 is re-injected into the main body 100.

그리고 상기 이동수단(330)은 후드(310)가 SCR촉매모듈(220) 중의 어느 하나에 선택적으로 정렬되도록 후드(310)를 상하좌우로 이동시키는 것으로서, 상기 후드(310)가 좌우로 이동가능하게 연결되는 상하 한 쌍의 수평레일(331)과, 수평레일(331)이 상하로 이동가능하게 연결되는 좌우 한 쌍의 수직레일(333)과, 상기 후드(310)와 수평이동부(410)를 각각 이동시키는 구동모터(미도시)로 이루어진다. And the moving means 330 moves the hood 310 up, down, left and right so that the hood 310 is selectively aligned with one of the SCR catalyst modules 220, so that the hood 310 can move left and right. A pair of connected upper and lower horizontal rails 331, a pair of left and right vertical rails 333 to which the horizontal rails 331 are movably connected up and down, the hood 310 and the horizontal moving unit 410 It consists of a driving motor (not shown) for moving each.

그리고 상기 이동수단(330)은 후드(310)가 SCR촉매모듈(220)중의 어느 하나에 선택적으로 정렬되도록 후드(310)를 상하좌우로 이동시키는 것으로서, 이동수단(330)은 체인, 벨트, 레일, 기어, 볼스크류 등과 같은 공지된 구성으로 이루어진다. And the moving means 330 moves the hood 310 up, down, left and right so that the hood 310 is selectively aligned with one of the SCR catalyst modules 220, and the moving means 330 is a chain, belt, or rail. , gears, ball screws, and the like.

본 실시예에서는 이동수단(330)이 후드(310)의 상하단부가 좌우로 이동가능하게 연결되는 상하 한 쌍의 수평레일(331)과, 수평레일(331)이 상하로 이동가능하게 연결되는 좌우 한 쌍의 수직레일(333)과, 상기 후드(310)와 수평레일(331)을 각각 이동시키는 구동모터(미도시)로 이루어지는 것으로 예시되었다. In this embodiment, the moving means 330 includes a pair of upper and lower horizontal rails 331 to which the upper and lower ends of the hood 310 are movably connected to the left and right, and one left and right to which the horizontal rails 331 are movably connected to the left and right. It has been exemplified as consisting of a pair of vertical rails 333 and a drive motor (not shown) that respectively moves the hood 310 and the horizontal rail 331 .

또한, 바람직하게는 상기 후드(310)의 전면 둘레부에서는 후드(310)와 SCR촉매모듈(220) 사이의 틈을 커버하는 커버장치(312)가 구비되는데, 커버장치(312)는 후드(310)의 전면 둘레부에서 전후로 신축가능하게 구비되는 커버부재(314)와, 커버부재(314)의 선단부가 상기 SCR촉매모듈(220)의 전면에 닿거나 SCR촉매모듈(220)의 전면에서 이격되도록 상기 신축부재(314)를 신축시키는 신축수단(316)으로 이루어진다. 본 실시예에서는 커버부재(314)가 주름관으로 이루어지고, 신축수단(316)은 실린더(316)로 이루어진 것으로 예시되었다.In addition, preferably, a cover device 312 covering a gap between the hood 310 and the SCR catalyst module 220 is provided at the front circumference of the hood 310, and the cover device 312 is provided with the hood 310. The cover member 314 provided to be stretchable back and forth at the front circumference of the ), and the front end of the cover member 314 is in contact with the front surface of the SCR catalyst module 220 or spaced apart from the front surface of the SCR catalyst module 220. It consists of an extension means 316 for extending and contracting the extension member 314. In this embodiment, the cover member 314 is made of a corrugated pipe, and the elastic means 316 is illustrated as being made of a cylinder 316.

이러한 커버수단(312)은 후드(310)의 이동시에는 상기 커버부재(314)가 축소되어 후드(310)가 SCR촉매모듈(220)에 간섭되지 않고, 흡입작동시에는 커버부재(314)가 신장되어 커버수단(312)이 후드(310)와 SCR촉매모듈(220) 사이의 틈을 커버하도록 작동된다. 이와 같이 후드(310)의 흡입작동시에 커버부재(314)에 의해 후드(310)와 SCR촉매모듈(220) 사이의 틈이 커버되기 때문에 본체(100) 내부의 질소산화물이 함유된 배기가스가 후드(310)로 흡입되지 않는다. When the hood 310 moves, the cover member 314 shrinks so that the hood 310 does not interfere with the SCR catalyst module 220, and when the suction operation, the cover member 314 expands. The cover means 312 is operated to cover the gap between the hood 310 and the SCR catalyst module 220. As such, since the gap between the hood 310 and the SCR catalyst module 220 is covered by the cover member 314 during the suction operation of the hood 310, the exhaust gas containing nitrogen oxides inside the main body 100 It is not sucked into the hood 310.

본 발명의 작동은 제어부에 의해 자동제어되는데, 후드(310)가 SCR촉매모듈(220)에 순차적으로 정렬되도록 이동되고, 후드(310)가 SCR촉매모듈(220)과 정렬된 상태를 일정시간 유지하도록 상기 이동수단(330)의 작동이 제어된다. 그리고 후드(310)가 SCR촉매모듈(220)에 정렬된 상태에서는 상기 커버부재(314)가 신장되도록 상기 신축수단(316)의 작동이 자동제어되고, 후드(310)의 이동이 감지되면 커버부재(314)가 축소되도록 신축수단(316)의 작동이 자동제어됨과 동시에 흡입팬이 일정 시간 작동되도록 자동제어된다.The operation of the present invention is automatically controlled by the control unit. The hood 310 is moved to be sequentially aligned with the SCR catalyst module 220, and the hood 310 is maintained aligned with the SCR catalyst module 220 for a certain period of time. The operation of the moving means 330 is controlled so as to do so. In a state in which the hood 310 is aligned with the SCR catalyst module 220, the operation of the stretching means 316 is automatically controlled so that the cover member 314 extends, and when the movement of the hood 310 is detected, the cover member 314 is automatically controlled. The operation of the telescopic means 316 is automatically controlled so that the 314 is reduced, and the suction fan is automatically controlled to operate for a certain period of time.

이와 같은 구성을 가지는 본 발명의 작동을 살펴보면 다음과 같다.Looking at the operation of the present invention having such a configuration is as follows.

배기가스 배출시설에서 배출되는 배기가스는 집진장치에서 분진이 1차로 제거된 상태로 본체(100) 내부로 유입되며, 상기 환원제 분사노즐(130)에서 분사되는 환원제와 함께 SCR촉매부(200)를 통과하면서 탈질처리되어 본체(100)의 배출구(120)를 통해 배출된다.Exhaust gas discharged from the exhaust gas discharge facility flows into the main body 100 in a state in which dust is primarily removed by the dust collector, and the SCR catalyst unit 200 together with the reducing agent injected from the reducing agent injection nozzle 130 It is denitrified while passing through and discharged through the outlet 120 of the main body 100.

한편, SCR촉매부(200)에 부착된 분진을 제거하고자 하는 경우에는 상기 흡진후드장치(300)를 작동시킨다. 흡진후드장치(300)의 후드(310)가 SCR촉매모듈(220) 중의 어느 하나에 정렬되도록 후드(310)가 이동되며, 후드(310)가 SCR촉매모듈(220)에 정렬되면 흡입팬이 작동되어 SCR촉매부(200)를 통과하여 탈질된 정화가스가 SCR촉매부(200)를 역방향으로 통과하여 후드(310)로 흡입되고, 이 과정에서 SCR촉매카트리지(210)에 쌓인 분진이 탈진되어 후드(310)로 흡입된다. 후드(310)를 통해 흡입된 가스는 흡입관(320)을 통해 집진기(12)로 유입되어 집진처리된 다음 배기된다. On the other hand, when it is desired to remove dust attached to the SCR catalyst unit 200, the suction hood device 300 is operated. The hood 310 of the suction hood device 300 is moved so that it is aligned with one of the SCR catalyst modules 220, and when the hood 310 is aligned with the SCR catalyst module 220, the suction fan operates. The purification gas passed through the SCR catalyst unit 200 passes through the SCR catalyst unit 200 in the reverse direction and is sucked into the hood 310. In this process, the dust accumulated in the SCR catalyst cartridge 210 is exhausted and the hood (310) is aspirated. The gas sucked through the hood 310 flows into the dust collector 12 through the suction pipe 320, is collected, and then exhausted.

전술한 바와 같이, 후드(310)가 이동되는 과정에서는 상기 커버부재(314)가 수축되어 커버부재(314)가 SCR촉매모듈(220)과 간섭되지 않으며, 후드(310)가 SCR촉매모듈(220)에 정렬되어 흡입팬이 작동되면 커버부재(314)가 신장되어 후드(310)와 SCR촉매모듈(220) 사이의 틈이 커버된다. As described above, in the process of moving the hood 310, the cover member 314 is contracted so that the cover member 314 does not interfere with the SCR catalyst module 220 and the hood 310 does not interfere with the SCR catalyst module 220. ) and when the suction fan is operated, the cover member 314 is extended to cover the gap between the hood 310 and the SCR catalyst module 220.

이와 같이 하여 해당 SCR촉매모듈(220)에 사용된 SCR촉매카트리지(210)에 부착된 분진이 탈진되면 후드(310)가 이웃되는 SCR촉매모듈(220)로 이동되어 전술한 과정이 반복되며, SCR촉매모듈(220)을 하나씩 탈진시키기 때문에 SCR시스템의 작동을 중단하지 않고 가동하면서 SCR촉매모듈(220)을 탈진시키는 것이 가능하다.In this way, when the dust attached to the SCR catalyst cartridge 210 used in the corresponding SCR catalyst module 220 is exhausted, the hood 310 is moved to the neighboring SCR catalyst module 220 and the above-described process is repeated, and the SCR Since the catalyst modules 220 are exhausted one by one, it is possible to exhaust the SCR catalyst modules 220 while operating without stopping the operation of the SCR system.

특히, 본 발명은 SCR촉매부(200)를 통과하여 탈질처리된 정화가스를 역으로 흡입하여 SCR촉매카트리지(210)에 부착된 먼지를 탈진시키는 것이므로 SCR촉매카트리지(210)에 부착된 먼지가 본체100) 내부로 비산되어 SCR촉매카트리지(210)에 재 부착되지 않는 장점을 가진다. In particular, since the present invention passes through the SCR catalyst unit 200 and reversely sucks the denitrification purified gas to exhaust the dust attached to the SCR catalyst cartridge 210, the dust attached to the SCR catalyst cartridge 210 is removed from the main body. 100) It has the advantage of being scattered to the inside and not re-attached to the SCR catalyst cartridge 210.

100. 본체 110. 흡입구
120. 배출구 200. SCR촉매부
210. SCR촉매카트리지 212. SCR촉매케이지
214. 측면프레임 216. 직조철망
218. 익스펜디드 메탈라스 220. SCR촉매모듈
222. 모듈하우징 224. 통기로
300. 흡입후드장치 310. 후드
312. 커버장치 314. 커버부재
316. 신축수단 320. 흡입관
330. 이동수단 331. 수평레일
333. 수직레일 100. Body 110. Inlet
120. Outlet 200. SCR catalyst part
210. SCR catalyst cartridge 212. SCR catalyst cage
214. Side frame 216. Woven wire mesh
218. Expanded metal lath 220. SCR catalyst module
222. Module housing 224. Ventilation passage
300. Suction hood device 310. Hood
312. Cover device 314. Cover member
316. Expansion means 320. Suction pipe
330. Transportation 331. Horizontal rail
333. Vertical rails

Claims (4)

일측에는 질소산화물이 포함된 배기가스가 유입되는 유입구(110)가 형성되고 타측에는 탈질처리된 정화가스가 배출되는 배출구(120)가 형성되어, 상기 유입구(110)가 배기가스 배출시설의 배기라인에 연결되는 본체(100);
판상의 SCR촉매카트리지(210)가 배기가스가 이송되는 통기로(224)가 형성되도록 모듈하우징(222)에 복수개 수납되어 이루어진 SCR촉매모듈(220)들이 상하좌우로 적층되어, 배기가스가 이송되는 경로를 가로지르도록 상기 본체(100) 내부에 설치되는 SCR촉매부(200); 및
상기 SCR촉매모듈(220)에 대응되는 크기로 형성되어 상기 SCR촉매모듈(220)을 향하도록 SCR촉매모듈(220) 전방에 위치되는 후드(310)와, 일단은 상기 후드(310)에 연결되고 타단은 상기 본체(100) 외부에 구비되는 집진기에 연결되는 흡입관(320)과, 상기 후드(310)에 흡입력을 발생시키는 흡입팬과, 상기 후드(310)가 상기 SCR촉매모듈(220) 중의 어느 하나에 선택적으로 정렬되도록 후드(310)를 상하좌우로 이동시키는 이동수단(330)을 포함하는 흡입후드장치(300);를 포함하며,
상기 후드(310)를 상기 SCR촉매모듈(220) 중 어느 하나에 정렬되도록 이동된 상태에서 상기 흡입팬이 작동되면, 상기 SCR촉매부(200)를 통과하여 탈질처리된 정화가스가 상기 SCR촉매부(200)를 역방향으로 통과하여 후드(310)로 흡입되면서 SCR촉매카트리지(210)에 부착된 분진이 탈진되는 것을 특징으로 하는 SCR시스템.
An inlet 110 through which exhaust gas containing nitrogen oxide flows in is formed on one side, and an outlet 120 through which denitrification-processed purified gas is discharged is formed on the other side, and the inlet 110 is an exhaust line of an exhaust gas emission facility. Main body 100 connected to;
A plurality of SCR catalyst modules 220 formed by storing a plurality of plate-shaped SCR catalyst cartridges 210 in the module housing 222 are stacked up, down, left and right to form a ventilation passage 224 through which the exhaust gas is transported, through which the exhaust gas is transported. An SCR catalyst unit 200 installed inside the main body 100 to cross the path; and
A hood 310 formed in a size corresponding to the SCR catalyst module 220 and positioned in front of the SCR catalyst module 220 to face the SCR catalyst module 220, and one end connected to the hood 310, The other end is a suction pipe 320 connected to a dust collector provided outside the main body 100, a suction fan generating suction power to the hood 310, and the hood 310 is any one of the SCR catalyst module 220. A suction hood device 300 including moving means 330 for moving the hood 310 up, down, left and right so as to be selectively aligned with one; includes,
When the suction fan is operated in a state in which the hood 310 is moved to align with one of the SCR catalyst modules 220, the purified gas passed through the SCR catalyst unit 200 and denitrated is transferred to the SCR catalyst unit. The SCR system, characterized in that the dust attached to the SCR catalyst cartridge 210 is exhausted while passing through the 200 in the reverse direction and being sucked into the hood 310.
 제1항에 있어서,
상기 후드(310)의 전면 둘레부에서 전후로 신축되는 커버부재(314)와, 상기 커버부재(314)의 선단부가 상기 SCR촉매모듈(220)의 전면에 닿거나 SCR촉매모듈(220)의 전면에서 이격되도록 커버부재(314)를 신축시키는 신축수단(316)을 포함하는 커버장치(312)가 더 구비되어,
상기 후드(310)의 이동시에는 상기 커버부재(314)가 축소되고, 상기 후드(310)가 SCR촉매모듈(220) 중의 어느 하나에 정렬되어 상기 흡입팬이 작동되는 경우에는 상기 커버부재가 신장되어 후드와 SCR촉매모듈(220) 사이의 틈이 커버되는 것을 특징으로 하는 SCR시스템.
According to claim 1,
A cover member 314 that expands back and forth on the front circumference of the hood 310, and the front end of the cover member 314 touches the front surface of the SCR catalyst module 220 or touches the front surface of the SCR catalyst module 220 A cover device 312 including an expansion and contraction means 316 for stretching and contracting the cover member 314 to be spaced apart is further provided,
When the hood 310 moves, the cover member 314 contracts, and when the hood 310 is aligned with one of the SCR catalyst modules 220 and the suction fan operates, the cover member extends. SCR system, characterized in that the gap between the hood and the SCR catalyst module (220) is covered.
 제1항에 있어서,
상기 집진기는 상기 본체(100)와 상기 배출시설 사이에 구비되어,
상기 배출시설에서 배출되는 배기가스에 함유된 분진이 상기 집진기에서 집진되고, 상기 흡입후드장치를 통해 흡입되어 배출되는 가스에 함유된 분진이 상기 집진기에서 집진되어 상기 본체(100)로 재 유입되는 것을 특징으로 하는 SCR시스템.
According to claim 1,
The dust collector is provided between the main body 100 and the discharge facility,
The dust contained in the exhaust gas discharged from the emission facility is collected in the dust collector, and the dust contained in the gas discharged after being sucked through the suction hood device is collected in the dust collector and re-introduced into the main body 100. Characterized SCR system.
 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 SCR촉매카트리지(210)는 SCR촉매케이지(212) 내부에 SCR촉매(211)가 수용된 것으로서,
상기 SCR촉매케이지(212)는 사각틀형태의 측면프레임(214)과, 상기 측면프레임(214)의 상, 하면에 결합되는 직조철망(216)과, 상기 직조철망(216) 외측에 결합되는 익스펜디드 메탈라스(expended metal lath)(218)로 이루어진 것을 특징으로 하는 SCR시스템.
According to any one of claims 1 to 3,
In the SCR catalyst cartridge 210, the SCR catalyst 211 is accommodated in the SCR catalyst cage 212,
The SCR catalyst cage 212 includes a square frame-shaped side frame 214, a woven wire mesh 216 coupled to the upper and lower surfaces of the side frame 214, and an expander coupled to the outside of the woven wire mesh 216. SCR system, characterized in that made of de metal lath (expended metal lath) (218).
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692802B1 (en) 2003-03-13 2007-03-12 현대중공업 주식회사 Soot blower modified blowing angle for SCR system
JP5311105B2 (en) * 2007-07-12 2013-10-09 イマジニアリング株式会社 Exhaust gas purification equipment
KR101557314B1 (en) * 2014-08-28 2015-10-05 현대머티리얼 주식회사 Rotational brush type soot removing module for selective catalytic reduction system
KR101582968B1 (en) * 2014-03-14 2016-01-19 현대머티리얼 주식회사 Soot removing module for selective catalytic reduction system
KR101830988B1 (en) 2012-12-18 2018-02-21 현대중공업 주식회사 Blower nozzle for SCR system
KR20180137183A (en) * 2017-06-16 2018-12-27 주식회사 동아이엔씨 Device for cleaning selective catalytic reduction
CN111013379A (en) * 2019-11-29 2020-04-17 华电电力科学研究院有限公司 Reciprocating type vibration device for reducing dust accumulation and blockage of SCR denitration catalyst and working method thereof
CN112138543A (en) * 2020-08-21 2020-12-29 绿联净化技术(东莞)有限公司 Soot blower for smoke abatement and NOx control of diesel tail gas
CN113230849A (en) * 2021-04-27 2021-08-10 公丕峰 Multi-bin dust remover multi-bin SCR and catalyst activation integrated device and using method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692802B1 (en) 2003-03-13 2007-03-12 현대중공업 주식회사 Soot blower modified blowing angle for SCR system
JP5311105B2 (en) * 2007-07-12 2013-10-09 イマジニアリング株式会社 Exhaust gas purification equipment
KR101830988B1 (en) 2012-12-18 2018-02-21 현대중공업 주식회사 Blower nozzle for SCR system
KR101582968B1 (en) * 2014-03-14 2016-01-19 현대머티리얼 주식회사 Soot removing module for selective catalytic reduction system
KR101557314B1 (en) * 2014-08-28 2015-10-05 현대머티리얼 주식회사 Rotational brush type soot removing module for selective catalytic reduction system
KR20180137183A (en) * 2017-06-16 2018-12-27 주식회사 동아이엔씨 Device for cleaning selective catalytic reduction
CN111013379A (en) * 2019-11-29 2020-04-17 华电电力科学研究院有限公司 Reciprocating type vibration device for reducing dust accumulation and blockage of SCR denitration catalyst and working method thereof
CN112138543A (en) * 2020-08-21 2020-12-29 绿联净化技术(东莞)有限公司 Soot blower for smoke abatement and NOx control of diesel tail gas
CN113230849A (en) * 2021-04-27 2021-08-10 公丕峰 Multi-bin dust remover multi-bin SCR and catalyst activation integrated device and using method thereof

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