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KR100778536B1 - Flow homogenizer of catalytic reactor - Google Patents

Flow homogenizer of catalytic reactor Download PDF

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KR100778536B1
KR100778536B1 KR1020070028148A KR20070028148A KR100778536B1 KR 100778536 B1 KR100778536 B1 KR 100778536B1 KR 1020070028148 A KR1020070028148 A KR 1020070028148A KR 20070028148 A KR20070028148 A KR 20070028148A KR 100778536 B1 KR100778536 B1 KR 100778536B1
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catalyst layer
flow
catalytic reactor
reaction
porous plate
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안국영
김한석
이상민
이영덕
유상석
홍동진
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한국기계연구원
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    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/02—Processes carried out in the presence of solid particles; Reactors therefor with stationary particles
    • B01J2208/021—Processes carried out in the presence of solid particles; Reactors therefor with stationary particles comprising a plurality of beds with flow of reactants in parallel
    • B01J2208/022—Plate-type reactors filled with granular catalyst

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  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

본 발명은 촉매 반응기의 유동 균일화 장치에 관한 것으로서, 그 구성은, 촉매층이 내장되어 있는 반응부와, 상기 반응부의 일측에 마련되어 반응물질이 유입되는 유입부와, 상기 반응부의 타측에 마련되어 상기 반응물질이 상기 촉매층과 반응한 후 배출되는 배출부를 포함하는 촉매 반응기에 있어서, 상기 반응부 내에 마련되고, 상기 유입부와 상기 촉매층 사이에 배치되며, 다수의 구멍이 형성되어 있는 여러 개의 다공판을 포함하되, 상기 여러 개의 다공판은 서로 간격을 두고 장착되되, 서로 인접한 상기 다공판에 형성된 상기 구멍이 서로 겹치지 않도록 장착되어 있으며, 상기의 구성에 따르면, 촉매층 전단의 유동이 균일해지고, 반응물질의 유입방향에 무관하게 유동의 균일화가 가능하며, 촉매층의 내구성을 향상시킬 수 있는 효과가 있다.The present invention relates to a device for homogenizing a flow of a catalytic reactor, the constitution of which comprises: a reaction part in which a catalyst layer is embedded, an inlet part provided on one side of the reaction part, and a reactant therein, and provided on the other side of the reaction part A catalytic reactor comprising a discharge part discharged after reacting with the catalyst layer, the catalyst reactor comprising a plurality of porous plates disposed in the reaction part, disposed between the inlet part and the catalyst layer, and having a plurality of holes formed therein. The plurality of porous plates are mounted at intervals from each other, and the holes formed in the adjacent porous plates do not overlap each other. According to the above configuration, the flow of the front end of the catalyst layer becomes uniform and the inflow direction of the reactants Irrespective of the flow, uniformity of the flow is possible and the durability of the catalyst layer can be improved.

Description

촉매 반응기의 유동 균일화 장치{Flow distributor for catalytic reactor}Flow homogenizer of catalytic reactor {Flow distributor for catalytic reactor}

도 1은 본 발명의 바람직한 실시예에 따른 촉매 반응기의 유동 균일화 장치를 도시한 단면도.1 is a cross-sectional view showing a flow homogenization apparatus of a catalytic reactor according to a preferred embodiment of the present invention.

도 2a 및 도 2b는 도 1의 다공판을 각각 도시한 평면도.2A and 2B are plan views illustrating the porous plate of FIG. 1, respectively.

도 3a 및 도 3b는 도 1에서 다공판이 배치되는 상태를 보여주기 위하여 각각 도시한 평면도 및 단면도.3A and 3B are plan and cross-sectional views respectively shown to show a state where the porous plate is disposed in FIG. 1.

도 4는 본 발명의 다른 실시예에 따른 촉매 반응기의 유동 균일화 장치를 도시한 단면도.Figure 4 is a cross-sectional view showing a flow homogenization apparatus of a catalytic reactor according to another embodiment of the present invention.

도 5a 및 도 5b는 본 발명에 따른 다공판이 있는 경우와 다공판이 없는 경우의 유동방향에 따른 출구의 유속 분포를 보여주기 위한 그래프.5a and 5b are graphs for showing the flow rate distribution of the outlet according to the flow direction when there is a porous plate and when there is no porous plate according to the present invention.

도 6은 종래의 원통형 촉매 반응기를 도시한 사시도.Figure 6 is a perspective view of a conventional cylindrical catalytic reactor.

도 7은 도 6의 부분 단면도.7 is a partial cross-sectional view of FIG. 6.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 반응부 11 : 촉매층10: reaction part 11: catalyst layer

20 : 유입부 30 : 배출부20: inlet 30: outlet

40 : 다공판 40: perforated plate

본 발명은 촉매 반응기의 유동 균일화 장치에 관한 것이다.The present invention relates to a device for flow homogenization of a catalytic reactor.

일반적으로 촉매 반응기는 연소, 개질, 산화, 환원 등 원하는 화학반응을 촉진하기 위해 촉매층에 반응물질을 통과시키도록 한 것이다. 이러한 촉매 반응기의 적용분야는 대부분의 화학공정에서 다용도로 활용되고 있다. In general, the catalytic reactor is to pass the reactants through the catalyst bed to promote the desired chemical reaction, such as combustion, reforming, oxidation, reduction. The field of application of such catalytic reactors has been used for a variety of purposes in most chemical processes.

도 6은 종래의 촉매 반응기를 도시한 사시도이고, 도 7은 도 6의 부분 단면도이다. 도 6 및 도 7에 도시된 바와 같이, 종래의 원통형 촉매 반응기는 촉매를 충진한 반응부(12)와 상하로 연통하는 유입관(10) 및 유출관(14)으로 구성되어 있다. 특히, 반응부(12)에는 촉매(16)를 공간상에 가두면서 반응물질은 통과시킬 수 있도록 하기 위해 와이어를 직조한 메쉬나 다공성 재질로 제작한 필터(18)가 상하에 각각 구비되어 있다. 따라서, 반응물질은 유입관(10)과 필터(18)를 지날 수 있고, 촉매(16)와 반응을 한 후, 다시 필터(18)를 통해 유출관(14)으로 빠져나간다.6 is a perspective view illustrating a conventional catalytic reactor, and FIG. 7 is a partial cross-sectional view of FIG. 6. As shown in FIG. 6 and FIG. 7, the conventional cylindrical catalytic reactor is composed of an inlet pipe 10 and an outlet pipe 14 communicating vertically with the reaction part 12 filled with a catalyst. In particular, the reaction part 12 is provided with a filter 18 made of a wire woven mesh or a porous material, respectively, in order to allow the reactant to pass while the catalyst 16 is confined in the space. Accordingly, the reactant may pass through the inlet tube 10 and the filter 18, react with the catalyst 16, and then exit through the filter 18 to the outlet tube 14.

그러나 전술한 구성의 촉매 반응기는 다음과 같은 문제가 있다.However, the catalytic reactor of the above-described configuration has the following problems.

촉매 반응기는 촉매층 전단의 유동 균일화가 중요하다. 그러나 상기 촉매 반응기는 반응물질의 유입방향에 따라 유동이 균일하지 않으며, 이렇게 유동이 불균일할 경우 국부적으로 반응이 일어나 핫 스폿(hot spot)이 발생하여 촉매층의 내구성이 저하된다는 문제점이 있다.In the catalytic reactor, flow homogenization of the front of the catalyst bed is important. However, the catalytic reactor has a problem that the flow is not uniform according to the inflow direction of the reactant, and if the flow is nonuniform, a local reaction occurs to generate a hot spot, thereby deteriorating the durability of the catalyst layer.

본 발명은 전술한 문제점을 해결하기 위하여 안출된 것으로, 촉매층 전단의 유동이 균일해지고, 촉매층의 내구성을 향상시킬 수 있는 촉매 반응기의 유동 균일화 장치를 제공하는 데 그 목적이 있다.The present invention has been made to solve the above-mentioned problems, an object of the present invention is to provide an apparatus for homogenizing the flow of a catalyst reactor which can make the flow of the front end of the catalyst layer uniform and improve the durability of the catalyst layer.

전술한 목적을 달성하기 위한 본 발명의 촉매 반응기의 유동 균일화 장치는, 촉매층이 내장되어 있는 반응부와, 상기 반응부의 일측에 마련되어 반응물질이 유입되는 유입부와, 상기 반응부의 타측에 마련되어 상기 반응물질이 상기 촉매층과 반응한 후 배출되는 배출부를 포함하는 촉매 반응기에 있어서, 상기 반응부 내에 마련되고, 상기 유입부와 상기 촉매층 사이에 배치되며, 다수의 구멍이 형성되어 있는 여러 개의 다공판을 포함하되, 상기 여러 개의 다공판은 서로 간격을 두고 장착되되, 서로 인접한 상기 다공판에 형성된 상기 구멍이 서로 겹치지 않도록 장착되어 있다.Flow homogenization apparatus of the catalytic reactor of the present invention for achieving the above object, the reaction part is built in the catalyst layer, the inlet is provided on one side of the reaction unit, the reaction material is introduced, the other side of the reaction unit is provided in the reaction A catalytic reactor comprising a discharge portion which is discharged after a substance reacts with the catalyst layer, the catalyst reactor comprising: a plurality of porous plates disposed in the reaction portion, disposed between the inlet portion and the catalyst layer, and having a plurality of holes formed therein. However, the plurality of perforated plates are mounted at intervals from each other, the holes formed in the adjacent perforated plates are mounted so as not to overlap each other.

상기에 있어서, 상기 각 다공판은 서로 이격 설치되어 있는 것이 바람직하다.In the above, it is preferable that the said perforated plates are spaced apart from each other.

상기에 있어서, 상기 구멍의 면적의 합은 상기 다공판 총 면적의 1% 내지 30%가 되도록 형성되어 있는 것이 바람직하다.In the above, it is preferable that the sum of the areas of the holes is formed to be 1% to 30% of the total area of the porous plate.

이하, 본 발명의 바람직한 일실시예를 첨부도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 바람직한 실시예에 따른 촉매 반응기의 유동 균일화 장치를 도시한 단면도이고, 도 2a 및 도 2b는 도 1의 다공판을 각각 도시한 평면도이며, 도 3a 및 도 3b는 도 1에서 다공판이 배치되는 상태를 보여주기 위하여 각각 도시한 평면도 및 단면도이다.1 is a cross-sectional view showing a flow homogenization apparatus of a catalytic reactor according to a preferred embodiment of the present invention, Figures 2a and 2b is a plan view showing the porous plate of Figure 1, respectively, Figures 3a and 3b in Figure 1 It is a top view and sectional drawing which respectively show in order to show the state in which a porous plate is arrange | positioned.

도 1에 도시한 바와 같이, 본 실시예의 촉매 반응기는 촉매층(11)이 내장되어 있는 반응부(10)와, 반응부(10)의 일측에 마련되어 반응물질이 유입되는 유입부(20)와, 반응부(10)의 타측에 마련되어 반응물질이 촉매층(11)과 반응한 후 배출되는 배출부(30)를 포함한다.As shown in FIG. 1, the catalytic reactor according to the present embodiment includes a reaction part 10 in which the catalyst layer 11 is embedded, an inlet part 20 provided at one side of the reaction part 10, and a reactant therein; It is provided on the other side of the reaction unit 10 includes a discharge unit 30 which is discharged after the reaction material reacts with the catalyst layer (11).

상기에서, 다수의 구멍이 형성되어 있는 여러 개의 다공판(40)이 반응부(10) 내의 유입부(20)와 촉매층(11) 사이에 배치된다. 다공판(40)에 형성된 구멍의 면적의 합은 다공판(40) 총 면적의 1% 내지 30%가 되도록 형성되는 것이 바람직하다.In the above, a plurality of porous plates 40 having a plurality of holes are disposed between the inlet portion 20 and the catalyst layer 11 in the reaction portion 10. The sum of the areas of the holes formed in the porous plate 40 is preferably formed to be 1% to 30% of the total area of the porous plate 40.

여러 개의 다공판(40)은 서로 간격을 두고 장착되되, 서로 인접한 다공판(40)에 형성된 구멍이 서로 겹치지 않도록 장착되는 것이 유선 변화효과를 크게 할 수 있다는 측면에서 바람직하다.Although the plurality of porous plates 40 are spaced apart from each other, it is preferable to mount the holes formed in the adjacent porous plates 40 so as not to overlap each other in order to increase the streamline change effect.

본 실시예에서는 두 개의 다공판(40)이 서로 간격을 두고 장착되어 있으며, 제1다공판(41)과 제2다공판(42)을 도 2a 및 도 2b에 각각 도시하였다. 도 2a 및 도 2b에 도시한 제1다공판(41)에 형성된 구멍(41a)와 제2다공판(42)에 형성된 제2구멍(42a)은 서로 겹치지 않도록 형성되어 있다.In the present embodiment, the two porous plates 40 are spaced apart from each other, and the first porous plate 41 and the second porous plate 42 are shown in FIGS. 2A and 2B, respectively. The hole 41a formed in the first porous plate 41 shown in FIGS. 2A and 2B and the second hole 42a formed in the second porous plate 42 are formed so as not to overlap each other.

따라서, 도 3a 및 도 3b에 도시한 바와 같이, 제1다공판(41)과 제2다공판(42)을 반응부(10) 내에 장착하였을 때 제1다공판(41)에 형성된 제1구멍(41a)과 제2다공판(42)에 형성된 제2구멍(42a)은 상부에서 보았을 때 서로 겹치지 않도록 장착될 수 있다.Therefore, as shown in FIGS. 3A and 3B, when the first porous plate 41 and the second porous plate 42 are mounted in the reaction unit 10, the first hole formed in the first porous plate 41 is formed. The second hole 42a formed in the 41a and the second porous plate 42 may be mounted so as not to overlap with each other when viewed from the top.

각 다공판(41,42))의 사이에는 간격유지를 위한 링(50)이 마련되어 있는 것 이 바람직하다.It is preferable that a ring 50 for maintaining the spacing is provided between each of the porous plates 41 and 42.

상기와 같이 구성되어, 도 1에 도시한 바와 같이, 유입부(20)를 통하여 유입된 반응물질이 제1다공판(41)과 제2다공판(42)을 각각 차례로 통과하며 유동이 균일화되어 촉매층(11)을 통과한다. 반응물질은 촉매층(11)과 반응한 후 배출부(30)를 통하여 배출된다.As shown in FIG. 1, as shown in FIG. 1, the reactants introduced through the inlet 20 pass through the first porous plate 41 and the second porous plate 42, respectively, and have a uniform flow. Passes through the catalyst layer (11). The reactant is discharged through the discharge part 30 after the reaction with the catalyst layer 11.

한편, 본 발명의 다른 실시예에 따른 촉매 반응기의 유동 균일화 장치를 도 4에 도시하였다. 도 4에 도시한 바와 같이, 다공판(40)은 세 개 이상으로 구성될 수 있으며, 이때 각각의 다공판(40) 사이에는 간격유지를 위한 링(50)이 장착되며, 서로 인접한 다공판(40)에 형성된 구멍이 서로 겹치지 않도록 장착된다.On the other hand, the flow homogenization apparatus of the catalytic reactor according to another embodiment of the present invention is shown in FIG. As shown in Figure 4, the porous plate 40 may be composed of three or more, wherein each of the porous plate 40 is equipped with a ring 50 for maintaining the gap, adjacent porous plate ( The holes formed in 40 are mounted so as not to overlap each other.

상기와 같은 본 발명에 따른 다공판(40)이 있는 경우와 다공판(40)이 없는 경우의 유동방향에 따른 출구의 유속 분포를 보여주기 위한 그래프를 도 5a 및 도 5b에 도시하였다.5A and 5B are graphs showing the flow velocity distribution of the outlet according to the flow direction when there is the porous plate 40 and when there is no porous plate 40 according to the present invention.

도 5a 및 도 5b에 도시한 바와 같이, 다공판(40)이 있는 경우에 다공판(40)을 통과한 반응물질의 유속의 분포가 일정함을 알 수 있다.5A and 5B, when the porous plate 40 is present, it can be seen that the distribution of the flow rate of the reactant material passing through the porous plate 40 is constant.

상기와 같은 본 발명에 따른 촉매 반응기의 유동 균일화 장치에 의하면, 다공판에 의해 촉매층(11) 전단의 유동이 균일해지며, 이에 따라 촉매층(11)으로 유입되는 반응물질의 유동이 균일해져 촉매층(11) 전체에서 반응이 일어나므로 핫 스폿(hot spot)의 발생을 방지하여 촉매층(11)의 내구성을 향상시킬 수 있다.According to the flow homogenization apparatus of the catalytic reactor according to the present invention as described above, the flow of the front end of the catalyst layer 11 is uniform by the porous plate, and thus the flow of the reactant flowing into the catalyst layer 11 is uniform, thus the catalyst layer ( 11) Since the reaction occurs in the whole, it is possible to prevent the occurrence of hot spots to improve the durability of the catalyst layer 11.

상술한 바와 같이, 본 발명의 바람직한 실시예를 참조하여 설명하였지만, 해당기술분야의 숙련된 당업자는 하기의 특허청구범위에 기재된 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 또는 변형하여 실시할 수 있다.As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art various modifications of the present invention without departing from the spirit and scope of the invention described in the claims below. Or it may be modified.

이상에서 설명한 바와 같은 본 발명의 촉매 반응기의 유동 균일화 장치에 따르면, 다음과 같은 효과가 있다.According to the flow homogenization apparatus of the catalytic reactor of the present invention as described above, the following effects are obtained.

다공판에 의해 촉매층 전단의 유동이 균일해지며, 반응물질의 유입방향에 무관하게 유동의 균일화가 가능하다.The porous plate makes the flow of the front end of the catalyst layer uniform, and the flow can be made uniform regardless of the inflow direction of the reactants.

또한, 촉매층으로 유입되는 반응물질의 유동이 균일해짐에 따라 촉매층 전체에서 반응이 일어나므로 핫 스폿(hot spot)의 발생을 방지하여 촉매층의 내구성을 향상시킬 수 있으며, 차압(pressure drop)이 크지 않다.In addition, as the flow of the reactant flowing into the catalyst layer becomes uniform, the reaction occurs in the entire catalyst layer, thereby preventing the occurrence of hot spots and improving the durability of the catalyst layer, and the pressure drop is not large. .

나아가, 하니컴(honey comb)형 촉매, 구(ball)형 촉매, 펠릿(pellet)형 촉매 등 촉매의 종류와 무관하게 사용이 가능하며, 원통형, 사각형 등 반응기의 형상과 무관하게 적용이 가능하다.Furthermore, the honeycomb catalyst, the ball catalyst, the pellet catalyst, and the like can be used regardless of the type of catalyst, and can be applied irrespective of the shape of the reactor such as a cylinder and a square.

Claims (3)

촉매층이 내장되어 있는 반응부와, 상기 반응부의 일측에 마련되어 반응물질이 유입되는 유입부와, 상기 반응부의 타측에 마련되어 상기 반응물질이 상기 촉매층과 반응한 후 배출되는 배출부를 포함하는 촉매 반응기에 있어서,In the catalytic reactor comprising a reaction unit having a built-in catalyst layer, an inlet portion provided on one side of the reaction portion and the reaction material is introduced, and an outlet portion provided on the other side of the reaction portion and discharged after the reaction material reacts with the catalyst layer. , 상기 반응부 내에 마련되고, 상기 유입부와 상기 촉매층 사이에 배치되며, 다수의 구멍이 형성되어 있는 여러 개의 다공판을 포함하되,It is provided in the reaction portion, disposed between the inlet and the catalyst layer, including a plurality of porous plate is formed a plurality of holes, 상기 여러 개의 다공판은 서로 간격을 두고 이격되도록 장착되되, 서로 인접하게 배치된 상기 다공판에 형성된 상기 구멍이 서로 겹치지 않도록 장착되어 있고,The plurality of porous plates are mounted so as to be spaced apart from each other, the holes formed in the porous plates disposed adjacent to each other so as not to overlap each other, 상기 구멍의 면적의 합은 상기 다공판 총 면적의 1% 내지 30%가 되도록 형성되어 있는 것을 특징으로 하는 촉매 반응기의 유동 균일화 장치.The sum of the areas of the holes is formed so as to be 1% to 30% of the total area of the porous plate, the flow homogenization apparatus of the catalytic reactor, characterized in that. 삭제delete 삭제delete
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101189760B1 (en) 2010-11-18 2012-10-10 한국에너지기술연구원 Fluid supplying system and fluid filter using the same
KR101246795B1 (en) 2010-11-24 2013-03-26 에스티엑스중공업 주식회사 An exhaust gas combustor of fuel cell having two different catalyst layers
KR101848913B1 (en) 2017-11-22 2018-05-24 (주) 에스텍코리아 Anaerobic digestion and ammonia treatment equipment
KR20200083769A (en) 2018-12-28 2020-07-09 한국가스공사 Reforming reaction tube equipped with a catalyst supporting structure

Citations (1)

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Publication number Priority date Publication date Assignee Title
JPH09150051A (en) * 1995-11-28 1997-06-10 Jgc Corp Gas dispersing device for fluidized bed

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09150051A (en) * 1995-11-28 1997-06-10 Jgc Corp Gas dispersing device for fluidized bed

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101189760B1 (en) 2010-11-18 2012-10-10 한국에너지기술연구원 Fluid supplying system and fluid filter using the same
KR101246795B1 (en) 2010-11-24 2013-03-26 에스티엑스중공업 주식회사 An exhaust gas combustor of fuel cell having two different catalyst layers
KR101848913B1 (en) 2017-11-22 2018-05-24 (주) 에스텍코리아 Anaerobic digestion and ammonia treatment equipment
KR20200083769A (en) 2018-12-28 2020-07-09 한국가스공사 Reforming reaction tube equipped with a catalyst supporting structure

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