KR20210009260A - Catalytic reactor - Google Patents

Abstract

The present invention provides a catalytic reaction apparatus comprising: a body portion with an open surface in the first direction; and a catalyst portion located inside the body portion and causing a catalytic reaction in contact with the fluid. The catalyst portion includes a first catalyst portion and a second catalyst portion. The first catalyst portion and the second catalyst portion have a pre-specified cross section and a surface of pattern. According to the present invention, it is possible to achieve easier contact with the fluid to significantly increase the catalytic reaction performance with respect to the fluid, achieve more robust support through point contact or surface contact between the first catalyst portion and the second catalyst portion, prevent damage to the first catalyst portion and the second catalyst portion during the movement of the fluid since the first catalyst portion and the second catalyst portion having a specific cross-sectional shape are provided, make the frame thickness thinner compared to the prior art through the body portion, and increase the efficiency by increasing the catalyst performance.

Description

Catalytic reaction device {CATALYTIC REACTOR}

The present invention relates to a catalytic reaction device. More specifically, it relates to a device that has a higher catalytic reaction efficiency and can prevent loss of fluid in advance during the catalytic reaction process.

In general, nitrogen oxide (NOx) is a generic term for a compound that is produced by reacting nitrogen and oxygen due to excessive supply of air in a high-temperature combustion facility.It is not only harmful to the human body, but also causes air pollution by generating acid rain or smog. It is known as a direct causative agent. In particular, since nitrogen oxides are inevitably generated in internal combustion engines such as automobiles that use fossil fuels, the amount of nitrogen oxides contained in exhaust gas is strictly controlled through various regulations or laws.

In particular, as a post-treatment technology for nitrogen oxides, a selective catalytic reduction method (SCR), a selective non-catalytic reduction method (SNCR), and a LOW-NOX burner method are known. In the case of the selective catalytic reduction method, as a technology for reducing nitrogen oxides to nitrogen and water by contacting a catalyst with a catalyst, the reduction efficiency varies greatly depending on the components, methods, and surface areas of the contact surface. In addition, the selective non-catalytic reduction method is a technology that uses only a reducing agent without a catalyst, and the low-nox burner method is a technology that controls the combustion state in the heating furnace, but when considering the presence or absence of secondary pollution, removal efficiency, operation cost, etc. It is evaluated as the most effective. This is to cause a catalytic reaction more easily by maximizing the contact rate through the first and second catalyst units in the process of moving the exhaust gas in a zigzag manner as in Prior Document 1 (Korean Patent Laid-Open No. 10-2015-0128255). The technology has been disclosed. However, in the case of Prior Document 1, since the catalytic reaction must occur sequentially, it is difficult to inject a large amount of fluid at once, and when the fluid is introduced, the movement path becomes excessively long, so that the catalytic reaction is difficult to occur properly.

Prior Document 1: Republic of Korea Patent Publication No. 10-2015-0128255 (published on November 18, 2015)

The technical problem of the present invention is to induce a higher efficiency catalytic reaction.

In addition, an object of the present invention is to provide an apparatus capable of maximizing productivity by reducing production cost while increasing durability.

To this end, the present invention includes a body portion with an open surface in a first direction and a catalyst portion located inside the body portion and in contact with a fluid to cause a catalytic reaction, and the catalyst portion includes a first catalyst portion and a second catalyst portion, and the first The catalyst portion and the second catalyst portion provide a catalytic reaction device having a surface of a cross section and pattern specified in advance.

According to the present invention, it is possible to achieve easier contact with the fluid, and thus the catalytic reaction performance of the fluid can be remarkably improved.

In addition, according to the present invention, more robust support is possible through point or surface contact between the first and second catalyst parts, and the first and second catalyst parts having a specific cross-sectional shape are provided, thereby It is possible to prevent damage to the first and second catalyst parts.

In addition, through the body portion according to the present invention, the frame thickness can be made thinner compared to the prior art, and efficiency can be increased by increasing catalyst performance.

1 is a view showing an overall catalytic reaction apparatus according to an embodiment of the present invention.
2 is a perspective view showing a body according to an embodiment of the present invention.
3 is a perspective view showing a body portion according to another embodiment of the present invention.
4 is a cross-sectional view of a body portion according to FIG. 3.
5 is a perspective view showing a body portion according to another embodiment of the present invention.
6 is a cross-sectional view of the body portion according to FIG. 5.
7 is a view showing a first catalyst unit and a second catalyst unit according to an embodiment of the present invention.
8 is a cross-sectional view of a first catalyst part and a second catalyst part according to FIG. 7.
9 is a view showing that the first catalyst unit and the second catalyst unit according to FIG. 7 are separated.
10 is a cross-sectional view of a first catalyst part and a second catalyst part according to still another embodiment of the present invention.
11 is a view showing a first catalyst unit and a second catalyst unit according to another embodiment of the present invention.
12 is a view showing that the first catalyst unit and the second catalyst unit according to FIG. 11 are separated.
13 is an enlarged view of a first catalyst unit and a second catalyst unit according to FIG. 11.
14 is a view showing a first catalyst unit and a second catalyst unit according to another embodiment of the present invention.
15 is a view showing that the first catalyst unit and the second catalyst unit according to FIG. 14 are separated.
16 is an enlarged view of a first catalyst unit and a second catalyst unit according to FIG. 14.
17 is a view showing a first catalyst unit and a second catalyst unit according to another embodiment of the present invention.
18 is a view showing that the first catalyst unit and the second catalyst unit according to FIG. 17 are separated.
19 is an enlarged view of a first catalyst part and a second catalyst part according to FIG. 17.
20 is a view showing a first catalyst unit and a second catalyst unit according to another embodiment of the present invention.
FIG. 21 is a diagram illustrating that the first and second catalyst units according to FIG. 20 are separated.
22 is an enlarged view of a first catalyst unit and a second catalyst unit according to FIG. 20.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments disclosed below. In addition, parts irrelevant to the present invention are omitted in the drawings in order to clearly disclose the present invention, and the same or similar reference numerals denote the same or similar components in the drawings.

Objects and effects of the present invention may be naturally understood or more clearly understood by the following description, and the objects and effects of the present invention are not limited only by the following description.

Objects, features and advantages of the present invention will become more apparent through the following detailed description. In addition, in describing the present invention, when it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

Prior to describing the present invention in detail, the "first direction (d1)" is a direction from the direction of the opened surface of the body part 100 toward the inside of the body part 100, from the front to the rear of the body part 100. It means the direction toward In addition, the “second direction (d2)” is orthogonal to the “first direction (d1)”, but refers to the direction from one side of the body 100 to the other side, but refers to the upper right direction in FIG. do. In addition, "fluid" is introduced into the interior of the catalytic reaction device according to the present invention and catalytically reacted by the first catalyst unit 210 and the second catalyst unit 220 to be described later, so that impurities such as nitrogen oxides and pollutants are It means the subject to be removed and reduced. Additionally, “outward direction” refers to a direction toward the outside based on the body part 100, and “inward direction” refers to a direction opposite to “outward direction” as a direction from the outside to the inside of the body part 100. do.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a view showing an overall catalytic reaction apparatus according to an embodiment of the present invention.

The catalytic reaction device according to an embodiment of the present invention has a body portion 100 provided with a space for causing a catalytic reaction to a fluid by opening a surface in the first direction d1, and the interior of the body portion 100 And a catalyst unit 200 located at and causing a catalytic reaction with a fluid, wherein the catalyst unit 200 includes a first catalyst unit 210 and a second catalyst located in a downward direction of the first catalyst unit 210 It includes a part 220.

The catalyst part 200 is a component for causing a catalytic reaction with a fluid, and is composed of titanium (Ti), vanadium (V), niobium (Nb), zirconium (Zr), bismuth (Bi), tungsten (W), molybdenum (Mo ) And at least one metal selected from the group consisting of palladium (Pd).

More specifically, the component ratio (elemental ratio) of the catalyst part 200 is palladium (Pd) 0.1 to 0.5: molybdenum (Mo) 0.3 to 1: niobium (Nb) 2 to 5: zirconium (Zr) 0.5 to 3: bismuth (Bi) 0.3 to 2: tungsten (W) 0.3 to 1.5: vanadium (V) 3 to 8: titanium (Ti) may be 80 to 90.

The component ratio (elemental ratio) of the catalyst part 200 according to another embodiment of the present invention is tungsten (W) 0.2 to 1.7: iron (Fe) 30 to 86: chromium (Cr) 5 to 19: vanadium (V) 3 to 8: and titanium (Ti) may be 25 to 90.

Meanwhile, as will be described later, the catalyst unit 200 includes a first catalyst unit 210 and a second catalyst unit 220, and the first catalyst unit 210 and the second catalyst unit 220 are spot welding or brazing. It is provided to contact each other through (Brazing) and may be located inside the body portion 100. This has the effect of minimizing the damage of the first and second catalyst parts 210 and 220 and enabling mounting in a more robust body part. That is, in the process of bonding the first catalyst unit 210 and the second catalyst unit 220 through spot welding or brazing, thermal stress while maintaining the strength of the first and second catalyst units 210 and 220 It can prevent distortion, thermal deformation, and damage caused by.

2 is a perspective view showing a body portion 100 according to an embodiment of the present invention.

The body part 100 is configured to provide a space for a catalytic reaction of a fluid. To this end, the body portion 100 is provided in the form of a housing in which the surface in the first direction d1 is opened. In detail, the upper surface of the body part 100 is opened, so that a first catalyst part 210 and a second catalyst part 220 to be described later may be inserted. Since the body portion 100 is provided, it is possible to maximize the catalytic performance by further increasing the time for the fluid located therein to contact the first and second catalyst portions 210 and 220. In addition, the body portion 100 has a square frame shape with a smooth surface to fix the first catalyst portion 210 and the second catalyst portion 220 as shown in FIG. Or may be provided by patterning the surface of the body portion 100 in a specific shape (see FIGS. 3 to 6 ).

Figure 3 is a perspective view showing a body portion (100') according to another embodiment of the present invention, Figure 4 is a cross-sectional view of the body portion (100') according to Figure 3, Figure 5 is another embodiment of the present invention It is a perspective view showing the body portion (100``) according to, Figure 6 is a cross-sectional view of the body portion (100``) according to FIG. 3 to 6 are views for explaining all of the various embodiments of the body part, and a body part 100 according to an embodiment of the present invention and two types of body according to another embodiment of the present invention The parts (100`, 100``) will be sequentially described.

As described above, the body portion (100 ′, 100 ``) may be provided with a surface patterned in a specific shape. In detail, referring to FIGS. 3 and 4, the surface of the body portion 100 ′ may be formed to have a wavy cross section when viewed in the second direction d2. In detail, a cross-section of the body portion 100 ′ facing the first direction d1 may be formed in a rounded shape to have a predetermined first curvature. Through this, since the upper end of the first catalyst unit 210 located inside the body unit 100 ′ can be in point contact, a more robust structure between the first catalyst unit 210 and the body unit 100 ′ can be established. I can. In addition, when the body part (100`) and the first catalyst part 210 are in surface contact with each other, the fluid causes a catalytic reaction inside the body part (100`), increasing the residence period inside the body part (100`). It has the effect of maximizing catalyst performance.

5 and 6, the surface of the body portion 100 ″ may be formed to have an uneven shape, a square shape, and the like when viewed in the second direction d2. In detail, on the surface of the body portion 100 ``, a pattern portion 101 formed in an uneven shape or a square shape along the first direction d1 from the front of the body portion 100 is formed in the body portion 100 `` ) May be provided to protrude from the surface in the outer direction and the inner direction. That is, on the surface of the body part 100``, the pattern part 101 protruding in the outward direction and the pattern part 101 protruding in the inward direction are repeated with respect to the surface of the body part 100``. As it is formed toward the first direction d1, the cross section in the second direction d2 may be provided in a plate shape. Here, in the case of the pattern portion 101 that is repeatedly arranged and arranged from the surface of the body portion 100`` to the inward direction, the first catalyst portion 210 located in the lower direction of the surface of the body portion 100`` It may be provided to be in contact with the top of or to be spaced apart. When the upper end of the body part 100`` and the first catalyst part 210 are in contact, a more rigid fixation between the first catalyst part 210 and the body part 100 is possible in the catalytic reaction process, and the body part 100` `) and the upper end of the first catalyst part 210 are spaced apart from each other, the fluid circulates between the first catalyst part 210 and the body part 100``, and a path for catalytic reaction can be obtained. It has the effect of remarkably increasing the performance.

Through the surface configuration of the body parts 100 ′ and 100 `` as described above, the first catalyst unit 210 and the second catalyst unit 220 are more rigidly fixed and the catalyst performance is remarkably improved. In addition, the body portion (100 ′, 100 ``) as described above may have an effect of reducing the thickness by reducing the thickness. In addition, when compared to the body portion 100 according to an embodiment of the present invention, the body portion (100 ′, 100 ``) according to another embodiment of the present invention against an external force applied toward the first direction Has greater durability. Therefore, while reducing the thickness of the body portion, it is possible to prevent a decrease in tensile strength, etc., thereby reducing the unit cost required for the production of the body portion, thereby maximizing productivity. Meanwhile, the body portions 100 ′ and 100 ″ having a flat surface or having a wavy cross-section or a square cross-sectional shape as described above may be applied to both an embodiment of the present invention and another embodiment to be described later.

7 is a view showing a first catalyst unit 210a and a second catalyst unit 220a according to an embodiment of the present invention, and FIG. 8 is a first catalyst unit 210a and a second catalyst unit according to FIG. 7 It is a cross-sectional view of 220a, and FIG. 9 is a view showing that the first catalyst part 210a and the second catalyst part 220a according to FIG. 7 are separated. Here, a plate-shaped second catalyst part 220a formed in a horizontal direction may be positioned in a downward direction of the first catalyst part 210a to be described later.

The catalyst unit 200 is configured to cause a catalytic reaction by contacting a fluid to remove and reduce impurities such as nitrogen oxides and harmful substances contained in the fluid. To this end, the catalyst part 200 is located inside the body part 100 and is divided into a first catalyst part 210a and a second catalyst part 220a. In addition, the first catalyst portion 210a and the second catalyst portion 220a form one group, and a plurality of the groups are arranged in the vertical direction to be located inside the body portion 100.

The first catalyst part 210a is provided to have a wavy cross section based on the first direction d1. In detail, the first catalyst part 210a has a corrugated cross-sectional shape when viewed in the first direction d1 from the front to the rear of the body part 100. That is, the first catalyst part 210a has a curved cross-sectional shape having a uniform height of the ridge and valley by being rounded with a predetermined second curvature based on the first direction d1, and has a cross-sectional shape as described above. The having the first catalyst part 210a is formed to extend along the first direction d1.

The second catalyst unit 220a is configured to support the above-described first catalyst unit 210a and at the same time induce higher catalytic performance. To this end, the second catalyst part 220a is located in the lower direction of the first catalyst part 210a and is formed in a plate shape, and the upper and lower surfaces thereof are located in the lower and lower directions of the first catalyst part 210a in the upward direction. It is provided so as to contact the upper end of another disposed first catalyst part (210a). In detail, the upper surface of the second catalyst unit 220a is in contact with the valley portion that is the lower end of the first catalyst unit 210a located in the upper direction, and the lower surface of the second catalyst unit 220a is another first unit located in the lower direction. It is in contact with the upper end of the catalyst part 210a. Here, the first catalyst portion 210a and the second catalyst portion 220a are positioned to contact each other, but may be arranged to achieve point contact or surface contact. In detail, when the first catalyst unit 210a and the second catalyst unit 220a are in point contact with each other, a catalyst that is more convenient for the fluid located between the first catalyst unit 210a and the second catalyst unit 220a May cause a reaction. In addition, when the first catalyst portion 210a and the second catalyst portion 220a are in surface contact with each other, a more robust first catalyst portion 210a and a second catalyst portion 220a may be fixed.

10 is a cross-sectional view of a first catalyst part 210a` and a second catalyst part 220a` according to another embodiment of the present invention.

In the case of the first catalyst part 210a` according to FIG. 10, the cross-sectional shape is modified and provided as compared to the embodiment of the present invention. In detail, the first catalyst part 210a` according to another embodiment of the present invention has an uneven, trapezoidal, or rectangular cross section based on the first direction d1. In detail, as the cross section of the first catalyst part 210a` when viewed from the first direction d1 has an uneven, trapezoidal, or square shape provided convexly toward the upper direction, the first catalyst part 210a` ) Has a stepped shape when viewed in the first direction d1, and the first catalyst part 210a` having such a cross-sectional shape is elongated along the first direction d1. Through this, the area in which the first catalyst part 210a` contacts the fluid may increase, thereby increasing catalyst performance. In addition, since the first catalyst part 210a` and the plate-shaped second catalyst part 220a` are in contact with each other, a more rigid fixed state can be maintained and the contact area with the fluid can be increased, thereby catalytic reaction efficiency Can be maximized.

FIG. 11 is a view showing a first catalyst part 210a`` and a second catalyst part 220a`` according to another embodiment of the present invention, and FIG. 12 is a first catalyst part 210a` according to FIG. `) and the second catalyst part 220a`` are separated, and FIG. 13 is an enlarged view of the first catalyst part 210a`` and the second catalyst part 220a`` according to FIG. 11 .

In the case of the first catalyst part 210a`` and the second catalyst part 220a`` according to FIGS. 11 to 13, the first catalyst part 210a`` and the second catalyst part according to FIGS. 7 to 9 It is formed so that the cross-sectional shape in the second direction d2 is different compared to (220a``). In detail, the first catalyst part 210a`` may have a wavy cross section based on the second direction d2. In detail, the first catalyst part 210a`` has a wavy cross section when viewed from the first direction d1 and is viewed from the second direction d2 orthogonal to the first direction d1. The cross section may also be formed to have a wavy shape. Accordingly, when the first catalyst part 210a`` is viewed from the first direction (d1) or the second direction (d2), it is possible to make more contact with the fluid as compared to that provided in a general plate shape. It is possible to maximize the efficiency for and, compared to the first catalyst part 210a, in the form of a flat plate, can maintain a more robust shape even though the thickness is reduced, so that weight reduction is possible. Meanwhile, a second catalyst part 220a`` is provided in a downward direction of the first catalyst part 210a`` according to FIGS. 11 to 13, and the second catalyst part 220a`` has a plate shape. It may be provided or may be provided to have a cross section of a waveform with respect to the second direction d2. When the second catalyst part 220a`` is provided in a plate shape, it is possible to fix between the more robust first catalyst part 210a`` and the second catalyst part 220a``.

In addition, when the second catalyst part 220a`` has a wavy cross-sectional shape when viewed in the second direction d2 (see FIGS. 12 and 13), the first catalyst part 210a`` and the second 2 The contact area between the catalyst parts 220a`` decreases. Correspondingly, the area in which the first catalyst part 210a`` and the second catalyst part 220a" can contact the fluid is increased. Accordingly, the area for the fluid to react and the contact time can be increased, thereby leading to an increase in the ultimate catalyst performance.

FIG. 14 is a view showing a first catalyst part 210b and a second catalyst part 220b according to another embodiment of the present invention, and FIG. 15 is a first catalyst part 210b and a second catalyst according to FIG. 14 It is a view showing that the part 220b is separated, and FIG. 16 is an enlarged view of the first catalyst part 210b and the second catalyst part 220b according to FIG. 14. The configuration of the protrusion part 201 to be described later in FIGS. 14 to 16 is not limited to the first catalyst part 210b, but may be provided on the surface of the second catalyst part 220b to be adopted in the same manner. In addition, the configuration of the protrusion portion 201, the embossed portion 202, the convex portion 203 and the concave portion 204 to be described later is the first catalyst portion 210a and the second catalyst portion according to FIGS. 7 to 10 ( 220a) may be provided on the surface. In other words, the protruding portion 201, the embossed portion 202, the convex portion 203, and the concave portion 204 have a cross-sectional shape such as a wave, a waveform, a square, and a trapezoid when viewed in the first direction d1. It is provided in the first catalyst portion 210b and the plate-shaped second catalyst portion 220b. However, the cross section of the first catalyst part 210b and the second catalyst part 220b as viewed in the second direction d2 as described above is provided in a plate shape as shown in FIGS. 7 to 10, or 11 to 13 may be provided to have a waveform shape.

The first catalyst unit 210b and the second catalyst unit 220b according to FIGS. 14 to 16 include the first catalyst unit 210a and the second catalyst unit 220a described in FIGS. 7 and 8, and FIG. 10. In the same manner as the first catalyst part 210a` and the second catalyst part 220a` according to the above, it is elongated in the first direction d1 while maintaining the cross-section in the first direction d1, The wheel part 201 may be further provided.

The protrusion part 201 is a configuration provided for easier contact with a fluid. To this end, the protrusion part 201 is provided on the upper or lower surface of the first catalyst part 210b or the second catalyst part 220b. In addition, the protrusion part 201 is formed in a hemispherical shape from the surface of the first catalyst part 210b or the second catalyst part 220b in an engraved or embossed shape. Here, the shape of the protrusion 201 is not limited to a hemispherical shape, and may be variously formed in a shape in which a square pyramid is engraved, a triangular pyramid is engraved or embossed. In addition, when the protrusion part 201 is provided on both the upper surface or the lower surface of the first catalyst part 210b, the first catalyst part 210b is provided at the top and bottom valleys of the first catalyst part 210b. May not be located. This is to prevent damage due to excessive reduction in thickness of the first catalyst part 210b. Meanwhile, the arrangement of the protrusion part 201 as described above may be equally adopted for the embossed part 202 to be described later in FIG. 17.

In addition, the protrusion part 201 may be provided in plural, but may be formed to have a regular arrangement from the surface of the first catalyst part 210b or the second catalyst part 220b. In this case, the fluid inside the body part 100 can achieve more surface contact, and a uniform catalytic reaction can be caused for the fluid located inside the body part 100, so that harmful substances such as nitrogen oxides are collectively Removal and reduction are possible. The arrangement of the protrusion portion 201 as described above may be equally adopted for the embossed portion 202 to be described later in FIG. 17.

Additionally, a plurality of protrusion parts 201 may be provided, and may be formed in an irregular pattern on the surfaces of the first and second catalyst parts 210b and 220b. Accordingly, since the time to have a catalytic reaction when the fluid located inside the body part 100 comes into contact with the first catalyst part 210b and the second catalyst part 220b is longer, a more reliable catalytic reaction of the fluid is performed. It is possible to remove and reduce harmful substances through. Meanwhile, the arrangement of the protrusion part 201 as described above may be equally adopted for the embossed part 202 to be described later in FIG. 17.

17 is a view showing a first catalyst unit 210c and a second catalyst unit 220c according to another embodiment of the present invention, and FIG. 18 is a first catalyst unit 210c and a second catalyst according to FIG. 17 It is a view showing that the part 220c is separated, and FIG. 19 is an enlarged view of the first catalyst part 210c and the second catalyst part 220c according to FIG. 17.

The embossed portion 202 is a configuration for maximizing a catalytic reaction, similar to the above-described protrusion portion 201. To this end, a plurality of embossed portions 202 are provided on the upper or lower surfaces of the first catalyst unit 210c or the second catalyst unit 220c. In addition, the embossed portion 202 may be formed in a shape in which the first catalyst portion 210c and the second catalyst portion 220c are repeatedly tanged through an opening means such as a punch. In detail, when the opening means repeats opening by applying a force from an upper direction to a lower direction of the first catalyst part 210c or the second catalyst part 220c, the embossed part 202 is the first catalyst part. (210c) or has a shape protruding downward from the lower surface of the second catalyst portion (220c). On the other hand, when the opening means pressurizes and opens from the lower direction of the first catalyst part 210c or the second catalyst part 220c to the upper direction, the embossing part 202 may be the first catalyst part 210c or It is formed to protrude upward from the upper surface of the second catalyst part 220c. In addition, when the embossed portion 202 is provided on both the upper and lower surfaces of the first catalyst unit 210c and the second catalyst unit 220c, the upper direction and the valley portion of the first catalyst unit 210c The embossed portion 202 may not be provided in the lower direction. This is to prevent in advance that the first catalyst part 210c and the second catalyst part 220c are not in point contact or surface contact due to the embossed part 202.

In a more preferred embodiment, a plurality of embossed portions 202 may be provided, but may be formed to have a regular arrangement on the surface of the first catalyst portion 210c or the second catalyst portion 220c. This has the effect of inducing a more uniform catalytic reaction targeting the fluid located inside the body portion 100.

As another more preferred embodiment, the plurality of embossed portions 202 may have an irregular arrangement on the surface of the first catalyst portion 210c or the second catalyst portion 220c. This leads to an effect of increasing the catalytic performance by further increasing the time for the fluid located inside the body part 100 to contact the first catalyst part 210c or the second catalyst part 220c.

FIG. 20 is a view showing a first catalyst part 210d and a second catalyst part 220d according to another embodiment of the present invention, and FIG. 21 is a first catalyst part 210d and a second catalyst according to FIG. It is a view showing that the part 220d is separated, and FIG. 22 is an enlarged view of the first catalyst part 210d and the second catalyst part 220d according to FIG. 20. The configuration of the convex portion 203 and the concave portion 204 may be provided not only on the surface of the first catalyst portion 210d but also on the surface of the second catalyst portion 220d located in the downward direction. The convex portion 203 and the concave portion 204 are provided for the same purpose as the protrusion portion 201 and the relief portion 202 described in FIGS. 14 to 19. In detail, the convex portion 203 and the concave portion 204 are provided to increase the catalytic performance of the fluid in the body portion 100. To this end, the convex portion 203 and the concave portion 204 are provided on the surface of the first catalyst portion 210d or the second catalyst portion 220d. Here, the convex portion 203 is formed to protrude upward and downward from the upper and lower surfaces of the first catalyst portion 210d or the second catalyst portion 220d, and the concave portion 204 is the first catalyst portion 210d ) Or the upper and lower surfaces of the second catalyst unit 220d. In addition, a plurality of convex portions 203 and concave portions 204 are provided, but are alternately and repeatedly arranged, and the convex portions 203 and concave portions 204 have various cross-sectional shapes such as uneven shape, trapezoidal shape, etc. Can have. Accordingly, the surface of the first catalyst portion 210d or the second catalyst portion 220d has a step equal to the sum of the height of the convex portion 203 and the height of the concave portion 204, thereby forming a surface of the checkerboard arrangement. Have. Through this, the catalytic reaction may be more easily derived by increasing the holding time of the fluid in contact with the first catalyst part 210d or the second catalyst part 220d inside the body part 100.

Through a series of configurations of the present invention, more robust support is possible through point contact or surface contact between the first catalyst unit 210 and the second catalyst unit 220, and the first catalyst unit 210 having a specific cross-sectional shape And since the second catalyst unit 220 is provided, it is possible to prevent damage to the first catalyst unit 210 and the second catalyst unit 220 during the movement of the fluid. In addition, through the body portion 100 according to the present invention, the frame thickness can be made thinner compared to the prior art, and efficiency can be increased by increasing catalyst performance.

Preferred embodiments of the present invention described above are disclosed for the purpose of illustration, and those skilled in the art with ordinary knowledge of the present invention will be able to make various modifications, changes and additions within the spirit and scope of the present invention, such modifications, changes and additions It should be seen as falling within the scope of the above claims.

If a person of ordinary skill in the art to which the present invention pertains, various substitutions, modifications and changes are possible within the scope of the technical spirit of the present invention, so that the present invention is described in the foregoing embodiments and the accompanying drawings. Is not limited by.

100: body portion 101: pattern portion
200: catalyst unit 210: first catalyst unit
220: second catalyst part 201: stone ring part
202: relief portion 203: convex portion
204: recess

Claims (2)

A body portion 100 with an open surface in the first direction d1; And
Including; a catalyst part 200 located inside the body part 100 and in contact with a fluid to cause a catalytic reaction,
The component ratio of the catalyst part 200 is palladium (Pd) 0.1 to 0.5: molybdenum (Mo) 0.3 to 1: niobium (Nb) 2 to 5: zirconium (Zr) 0.5 to 3: bismuth (Bi) 0.3 to 2: tungsten (W) 0.3 to 1.5: vanadium (V) 3 to 8: titanium (Ti) 80 to 90.
A body portion 100 with an open surface in the first direction d1; And
Including; a catalyst part 200 located inside the body part 100 and in contact with a fluid to cause a catalytic reaction,
The component ratio of the catalyst part 200 is tungsten (W) 0.2 to 1.7: iron (Fe) 30 to 86: chromium (Cr) 5 to 19: vanadium (V) 3 to 8: and titanium (Ti) 25 to 90 Catalytic reaction device, characterized in that.

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