KR101306291B1 - Method for manufacturing diesel particulate filter - Google Patents

Method for manufacturing diesel particulate filter Download PDF

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KR101306291B1
KR101306291B1 KR1020110067374A KR20110067374A KR101306291B1 KR 101306291 B1 KR101306291 B1 KR 101306291B1 KR 1020110067374 A KR1020110067374 A KR 1020110067374A KR 20110067374 A KR20110067374 A KR 20110067374A KR 101306291 B1 KR101306291 B1 KR 101306291B1
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filter
adhesive layer
filter part
forming
segments
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KR1020110067374A
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Korean (ko)
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KR20130005766A (en
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최병기
훈 정
한대곤
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주식회사 칸세라
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2466—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the adhesive layers, i.e. joints between segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2486—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure characterised by the shapes or configurations
    • B01D46/249—Quadrangular e.g. square or diamond
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006—Honeycomb structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Filtering Materials (AREA)

Abstract

본 발명은 건조하는 과정에서 열응력에 의한 크랙 발생을 최소화 할 수 있게 한 세라믹 필터 제조방법이 개시된다. 이를 위한, 세라믹 필터 제조방법은 (a) 세그먼트들의 외면에 제1두께로 이루어진 제1접착층을 형성하여 세그먼트들을 접착시켜서 복수의 세그먼트들이 접착되어 이루어진 필터부를 제조하는 단계와, (b) 상기 필터부의 외면에 상기 제1두께보다 두꺼운 제2두께로 이루어진 제2접착층을 형성하는 단계와, 상기 (a) 단계와 (b) 단계를 반복적으로 수행하여 상기 제1접착층과 제2접착층을 동시에 건조하는 단계를 포함한다.The present invention discloses a method of manufacturing a ceramic filter that can minimize the occurrence of cracks due to thermal stress in the drying process. To this end, the method of manufacturing a ceramic filter includes the steps of (a) forming a first adhesive layer having a first thickness on the outer surfaces of the segments to bond the segments to thereby prepare a filter part formed by adhering a plurality of segments, and (b) the filter part. Forming a second adhesive layer having a second thickness thicker than the first thickness on the outer surface, and repeatedly drying the first adhesive layer and the second adhesive layer by performing steps (a) and (b) repeatedly. It includes.

Description

세라믹 필터 제조방법{Method for manufacturing diesel particulate filter}Ceramic filter manufacturing method {Method for manufacturing diesel particulate filter}

본 발명은 세라믹 필터 제조방법에 관한 것으로, 더욱 상세하게는 디젤 엔진에서 배출되는 배기가스에 포함된 입자상 물질을 저감시켜 대기로 배출할 수 있게 하는 디젤 차량의 입자상 물질 저감장치에 포함된 세라믹 필터 제조방법을 제조하는데 사용되는 세라믹 필터 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a ceramic filter, and more particularly, to manufacture a ceramic filter included in a particulate matter reduction apparatus of a diesel vehicle, which reduces particulate matter contained in exhaust gas discharged from a diesel engine to be discharged to the atmosphere. A method of making a ceramic filter used to make the method.

디젤 차량에 채용되는 디젤 엔진은 뛰어난 연비와 출력 등에도 불구하고, 디젤 엔진의 특성상 가솔린 엔진과 달리, 배기가스가 배출될 때 입자상 물질(PM: Matter)이 상당량 배출된다. 상기 입자상 물질은 도심 등에서 발생되는 다른 어떤 입자보다 많은 빛을 흡수하고, 따라서 시정을 감소시킨다. 또한, 상기 입자상 물질은 미세하고, 많은 양의 화학 물질을 포함하고 있어, 대기질의 저하, 호흡기 질환, 또는 폐암 발생과 같은 건강상 및 재산상 피해를 유발한다. 따라서 입자상 물질에 대한 규제가 강화되고 있는 추세이다. 이에 따라, 입자상 물질의 배출량을 줄이기 위해 디젤 차량에 디젤 입자상 물질 필터(DPF: Diesel Particulate Filter)가 장착되고 있다.Diesel engines employed in diesel vehicles, despite excellent fuel economy and power output, unlike gasoline engines, due to the characteristics of diesel engines, a large amount of particulate matter (PM) is emitted when exhaust gas is emitted. The particulate matter absorbs more light than any other particles generated in urban areas and the like, thus reducing visibility. In addition, the particulate matter is fine and contains a large amount of chemicals, causing health and property damage such as lowering air quality, respiratory disease, or lung cancer. As a result, regulations on particulate matter are intensifying. Accordingly, a diesel particulate filter (DPF) is installed in a diesel vehicle to reduce emissions of particulate matter.

이러한 디젤 입자상 물질 필터는 매연입자를 태우는 과정에서 발생하는 높은 온도에서도 파손되어야 하지 않기 때문에 우수한 내열성이 요구된다. 이러한 디젤 입자상 물질 필터의 일예로 탄화규소(SiC)로 이루어지며 허니콤 형상으로 이루어진 세라믹 필터가 제시될 수 있다. The diesel particulate filter is required to have excellent heat resistance because it does not have to be broken even at the high temperature generated during the combustion of the soot particles. An example of such a diesel particulate filter may be a ceramic filter made of silicon carbide (SiC) and having a honeycomb shape.

한국공개특허 2006-0064277 (공개일 2006.05.22)에는 배기가스를 정화하는데 사용되는 필터 및 그 제조방법이 개시되어 있다.Korean Patent Laid-Open Publication No. 2006-0064277 (published May 22, 2006) discloses a filter used to purify exhaust gas and a method of manufacturing the same.

이러한 세라믹 필터는 중공이 형성된 세그먼트들을 서로 접착시켜서 건조하여 제조하는 것이 일반적인데, 건조하는 과정에서 열팽창 차이에 따라 발생되는 열응력에 의해 크랙이 발생될 수 있는 문제점이 있다.Such ceramic filters are generally manufactured by adhering the hollow-formed segments to each other and drying them, and there is a problem in that cracks may be generated by thermal stress generated by thermal expansion differences in the drying process.

본 발명은 건조하는 과정에서 열응력에 의한 크랙 발생을 최소화 할 수 있게 한 세라믹 필터 제조방법을 제공하는 것을 목적으로 한다.An object of the present invention is to provide a method for producing a ceramic filter that can minimize the occurrence of cracks due to thermal stress during the drying process.

상기의 과제를 달성하기 위한 본 발명에 따른 세라믹 필터 제조방법은, (a) 세그먼트들의 외면에 제1두께로 이루어진 제1접착층을 형성하여 세그먼트들을 접착시켜서 복수의 세그먼트들이 접착되어 이루어진 필터부를 제조하는 단계와, (b) 상기 필터부의 외면에 상기 제1두께보다 두꺼운 제2두께로 이루어진 제2접착층을 형성하는 단계와, 상기 (a) 단계와 (b) 단계를 반복적으로 수행하여 상기 제1접착층과 제2접착층을 동시에 건조하는 단계를 포함한다.The ceramic filter manufacturing method according to the present invention for achieving the above object, (a) to form a first adhesive layer having a first thickness on the outer surface of the segments to bond the segments to manufacture a filter portion formed by adhering a plurality of segments (B) forming a second adhesive layer having a second thickness thicker than the first thickness on the outer surface of the filter part, and repeating the steps (a) and (b). And drying the second adhesive layer at the same time.

본 발명에 따른 세라믹 필터 제조방법은, 제1필터부, 제2필터부, 제3필터부 및 제4필터부를 건조하는 과정과, 상기 필터부들을 접착시킨 다음 건조하는 과정이 동시에 이루어진다. 이에 따라, 세라믹 필터가 건조되는 과정에서 발생되는 열응력이 제1접착층보다 두꺼운 제2접착층으로 분산될 수 있으므로, 필터부들에서 크랙이 발생되는 것을 최소화할 수 있다.In the method of manufacturing a ceramic filter according to the present invention, a process of drying the first filter part, the second filter part, the third filter part, and the fourth filter part, and the process of adhering the filter parts and then drying the same are performed at the same time. Accordingly, since the thermal stress generated in the process of drying the ceramic filter may be dispersed into the second adhesive layer thicker than the first adhesive layer, cracks may be minimized in the filter parts.

도 1 내지 도 5은 본 발명의 바람직한 일실시예에 따른 세라믹 필터 제조방법를 순차적으로 도시한 도면.
도 6는, 본 발명의 바람직한 일실시예에 따른 세라믹 필터 제조방법에 의해 제조된 세라믹 필터를 도시한 도면.1 to 5 are views sequentially showing a method for manufacturing a ceramic filter according to an embodiment of the present invention.
6 is a view showing a ceramic filter manufactured by a ceramic filter manufacturing method according to an embodiment of the present invention.

본 발명을 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다. 여기서 동일한 구성에 대해서는 동일부호를 사용하며, 반복되는 설명, 본 발명의 요지를 불필요하게 흐릴 수 있는 공지 기능 및 구성에 대한 상세한 설명은 생략한다. 본 발명의 실시형태는 당업계에서 평균적인 지식을 가진 자에게 본 발명을 보다 완전하게 설명하기 위해서 제공되는 것이다. 따라서, 도면에서의 요소들의 형상 및 크기 등은 보다 명확한 설명을 위해 과장될 수 있다.The present invention will now be described in detail with reference to the accompanying drawings. The same reference numerals are used for the same components, and repeated descriptions and detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

본 발명의 바람직한 일실시예에 따른 세라믹 필터 제조방법은 (a) 세그먼트들의 외면에 제1두께로 이루어진 제1접착층을 형성하여 세그먼트들을 접착시켜서 복수의 세그먼트들이 접착되어 이루어진 필터부를 제조하는 단계와, (b) 상기 필터부의 외면에 상기 제1두께보다 두꺼운 제2두께로 이루어진 제2접착층을 형성하는 단계와, 상기 (a) 단계와 (b) 단계를 반복적으로 수행하여 상기 제1접착층과 제2접착층을 동시에 건조하는 단계를 포함한다.The method of manufacturing a ceramic filter according to an embodiment of the present invention includes the steps of (a) forming a first adhesive layer having a first thickness on the outer surface of the segments to bond the segments to prepare a filter part formed by adhering a plurality of segments; (b) forming a second adhesive layer having a second thickness thicker than the first thickness on the outer surface of the filter part, and performing the steps (a) and (b) repeatedly to form the first adhesive layer and the second adhesive layer. Simultaneously drying the adhesive layer.

한편, 필터부(110)에서는 디젤 엔진으로부터 배출되는 입자상 물질이 포집된다. 이를 위한 필터부(110)는 복수의 세그먼트(111)들과 제1접착층(112)으로 이루어진다. 하나의 세그먼트(111)는 특정 길이로 이루어지고 길이방향으로 통공이 형성된다. 세그먼트(111) 내부로 배기가스가 통과하면서 세그먼트(111)를 구성하는 격벽에서 입자상 물질의 포집이 이루어진다. 한편, 상기 필터부(110)는 제1필터부(110a), 제2필터부(110b), 제3필터부(110c) 및 제4필터부(110d)를 포함할 수 있다. 단, 필터부가 4개인 것으로 한정하지는 않으며, 제조사의 설계에 따라 증감할 수 있다.On the other hand, the filter unit 110 collects particulate matter discharged from the diesel engine. The filter unit 110 for this purpose is composed of a plurality of segments 111 and the first adhesive layer 112. One segment 111 has a specific length and is formed with a through hole in the longitudinal direction. As the exhaust gas passes through the segment 111, the particulate matter is collected in the partition wall forming the segment 111. The filter unit 110 may include a first filter unit 110a, a second filter unit 110b, a third filter unit 110c, and a fourth filter unit 110d. However, the filter unit is not limited to four, and may be increased or decreased according to the manufacturer's design.

본 발명의 세라믹 필터 제조방법에서 상기 (a) 단계와 (b) 단계를 반복적으로 수행하여 상기 제1접착층과 제2접착층을 동시에 형성하는 단계는 상기 제1필터부의 외면에서 적어도 일부면에 제2접착층을 형성한 다음, 상기 제1필터부에 인접하면서 제2접착층에 접착되도록 제2필터부와 제3필터부를 각각 형성하는 단계와, 상기 제2필터부와 제3필터부의 외면에 제2접착층을 형성한 다음, 상기 제2필터부와 제3필터부에 인접하면서 제2접착층에 접착되도록 제4필터부를 형성하는 단계를 포함한다.In the method of manufacturing a ceramic filter of the present invention, the step of forming the first adhesive layer and the second adhesive layer at the same time by repeatedly performing the steps (a) and (b) may be performed on at least a portion of the outer surface of the first filter part. Forming an adhesive layer, and then forming a second filter portion and a third filter portion adjacent to the first filter portion and adhering to the second adhesive layer, and a second adhesive layer on outer surfaces of the second filter portion and the third filter portion. And forming a fourth filter part adjacent to the second filter part and the third filter part to be attached to the second adhesive layer.

도 1 내지 도 6을 참조하여, 본 발명의 세라믹 필터 제조방법을 더욱 상세하게 설명한다. Referring to Figures 1 to 6, the ceramic filter manufacturing method of the present invention will be described in more detail.

우선, 도 1에 도시된 바와 같이, 세라믹 필터(100) 제조에 사용되는 지그(10) 상에 세그먼트(111)를 배치하고, 세그먼트(111)의 외면에 제1접착층(112)을 형성하여 세그먼트(111)들을 접착하여 제1필터부(110a)를 제조한다. 여기서, 세그먼트(111)의 외면에 제1접착층(112)을 형성하는 방법의 일예로 세그먼트(111)의 외면에 접착액을 도포하는 방법이 사용될 수 있다.First, as shown in FIG. 1, the segment 111 is disposed on the jig 10 used to manufacture the ceramic filter 100, and the first adhesive layer 112 is formed on the outer surface of the segment 111. The first filter part 110a is manufactured by adhering the 111 parts. Here, as an example of a method of forming the first adhesive layer 112 on the outer surface of the segment 111, a method of applying an adhesive liquid to the outer surface of the segment 111 may be used.

다음으로, 도 2에 도시된 바와 같이, 제1필터부(110a)의 외면에서 적어도 일부면에 제2접착층(120)을 형성한다. 여기서, 제1필터부(110a)의 외면에 제2접착층(120)을 형성하는 방법의 일예로 세그먼트(111)의 외면에 접착액을 도포한 것일 수 있다. 제1필터부(110a)의 외면에 제2접착층(120)을 형성하는 방법의 다른 일예로 겔형태(Gel)의 접착물질을 제1필터부(110a)의 외면에 배치한 것일 수 있다. Next, as shown in FIG. 2, the second adhesive layer 120 is formed on at least a portion of the outer surface of the first filter part 110a. Here, as an example of a method of forming the second adhesive layer 120 on the outer surface of the first filter unit 110a, the adhesive liquid may be applied to the outer surface of the segment 111. As another example of the method of forming the second adhesive layer 120 on the outer surface of the first filter unit 110a, a gel-like adhesive material may be disposed on the outer surface of the first filter unit 110a.

다음으로, 도 3 및 도 4에 도시된 바와 같이, 제1필터부(110a)에 인접하면서 제2접착층(120)에 접착되도록 제2필터부(110b)와 제3필터부(110c)를 각각 형성한다. 제2필터부(110b)와 제3필터부(110c)는 전술한 바와 같이 세그먼트(111)들을 접착하여 제조한다. 그리고, 상기 제2필터부(110b)와 제3필터부(110c)의 외면에 제2접착층(120)을 형성한다.Next, as shown in FIGS. 3 and 4, the second filter part 110b and the third filter part 110c are respectively adjacent to the first filter part 110a and adhered to the second adhesive layer 120. Form. The second filter part 110b and the third filter part 110c are manufactured by adhering the segments 111 as described above. The second adhesive layer 120 is formed on the outer surfaces of the second filter part 110b and the third filter part 110c.

다음으로, 도 5에 도시된 바와 같이 제2필터부(110b)와 제3필터부(110c)에 인접하면서 제2접착층(120)에 접착되도록 제4필터부(110d)를 형성한다.Next, as shown in FIG. 5, the fourth filter part 110d is formed to be attached to the second adhesive layer 120 while being adjacent to the second filter part 110b and the third filter part 110c.

최종적으로, 도 6에 도시된 바와 같이, 세라믹 필터(100)를 건조시킨다. 여기서, 제1접착층(112)과 제2접착층(120)의 건조가 동시에 이루어진다.Finally, as shown in FIG. 6, the ceramic filter 100 is dried. Here, drying of the first adhesive layer 112 and the second adhesive layer 120 is performed at the same time.

한편, 전술한 본 발명의 세라믹 필터 제조방법과 다르게, 세그먼트들을 각각 접착하여 하나의 모듈을 제조한 후 건조시키고, 건조된 모듈들을 접착시켜서 대형 필터를 제조한 후 재차 건조시키는 방법을 사용하는 경우, 필터부를 개별적으로 접착시키고 건조하고 대형으로 접합하는 과정에서 많은 공정이 포함되어 시간 및 인력이 많이 소요된다. On the other hand, unlike the above-described method of manufacturing a ceramic filter of the present invention, in the case of using a method of manufacturing a single module by adhering segments to each other and drying, and again drying a large filter by adhering the dried modules, In the process of bonding the filter parts individually, drying them and joining them in large sizes, many processes are involved, which takes a lot of time and manpower.

그러나, 본 발명의 세라믹 필터 제조방법에서는 한번의 공정으로 전체적인 대형 필터를 제조할 수 있고 동일 공정에서 접합이 이루어지기 때문에 건조과정에서 발생되는 응력의 차이를 해소할 수 있고 공정 및 시간을 단축할 수 있는 장점이 있다. However, in the method of manufacturing a ceramic filter of the present invention, the entire large filter can be manufactured in one step, and since the bonding is performed in the same process, the difference in stress generated during the drying process can be solved and the process and time can be shortened. There is an advantage.

더욱 상세하게 설명하면, 본 발명의 세라믹 필터 제조방법에서는 제1필터부(110a), 제2필터부(110b), 제3필터부(110c) 및 제4필터부(110d)를 건조하는 과정과, 상기 제1필터부(110a), 제2필터부(110b), 제3필터부(110c) 및 제4필터부(110d)를 접착시킨 다음 건조하는 과정이 동시에 이루어진다. 이에 따라, 세라믹 필터(100)가 건조되는 과정에서 발생되는 열응력이 제1접착층(112)보다 상대적으로 두껍게 형성된 제2접착층(120)으로 분산될 수 있으므로, 필터부들(110a, 110b, 110c, 110d)에서 크랙이 발생되는 것을 최소화할 수 있다.In more detail, in the method of manufacturing a ceramic filter of the present invention, the process of drying the first filter part 110a, the second filter part 110b, the third filter part 110c, and the fourth filter part 110d and The first filter part 110a, the second filter part 110b, the third filter part 110c, and the fourth filter part 110d are bonded to each other and then dried. Accordingly, since the thermal stress generated in the process of drying the ceramic filter 100 may be dispersed into the second adhesive layer 120 formed relatively thicker than the first adhesive layer 112, the filter parts 110a, 110b, 110c, It is possible to minimize the occurrence of cracks at 110d).

이상의 설명은 본 발명의 기술 사상을 예시적으로 설명한 것에 불과한 것으로서, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 본 발명의 본질적인 특성에서 벗어나지 않는 범위 내에서 다양한 수정, 변경 및 치환이 가능할 것이다. 따라서, 본 발명에 개시된 실시예 및 첨부된 도면들은 본 발명의 기술 사상을 한정하기 위한 것이 아니라 설명하기 위한 것이고, 이러한 실시예 및 첨부된 도면에 의하여 본 발명의 기술 사상의 범위가 한정되는 것은 아니다. 본 발명의 보호 범위는 아래의 청구범위에 의하여 해석되어야 하며, 그와 동등한 범위 내에 있는 모든 기술 사상은 본 발명의 권리범위에 포함되는 것으로 해석되어야 할 것이다.It will be apparent to those skilled in the art that various modifications, substitutions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. will be. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments and the accompanying drawings. . The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

100: 세라믹 필터
110: 필터부 110a: 제1필터부
110b: 제2필터부 110c: 제3필터부
110d: 제4필터부 111: 세그먼트
120: 제1접착층 130: 제2접착층100: ceramic filter
110: filter unit 110a: first filter unit
110b: second filter part 110c: third filter part
110d: fourth filter part 111: segment
120: first adhesive layer 130: second adhesive layer

Claims (2)

(a) 세그먼트들의 외면에 제1두께로 이루어진 제1접착층을 형성하여 세그먼트들을 접착시켜서 복수의 세그먼트들이 접착되어 이루어진 필터부를 제조하는 단계;
(b) 상기 필터부의 외면에 상기 제1두께보다 두꺼운 제2두께로 이루어진 제2접착층을 형성하는 단계;
(c) 상기 (a) 단계와 (b) 단계를 반복적으로 수행하여, 복수의 세그먼트들이 제1접착층으로 접착되어 이루어지고 외면에 제2접착층이 형성된 필터부를 다수 제조하는 단계; 및
(d) 상기 (c) 단계를 거쳐 제조된 필터부의 제1접착층과 제2접착층을 동시에 건조하는 단계;
를 포함하는 세라믹 필터 제조방법.
(A) forming a first adhesive layer having a first thickness on the outer surface of the segments to adhere the segments to form a filter portion formed by adhering a plurality of segments;
(b) forming a second adhesive layer having a second thickness thicker than the first thickness on an outer surface of the filter part;
(c) repeatedly performing steps (a) and (b) to manufacture a plurality of filter parts formed by bonding a plurality of segments to a first adhesive layer and having a second adhesive layer formed on an outer surface thereof; And
(d) simultaneously drying the first adhesive layer and the second adhesive layer of the filter part manufactured through the step (c);
Ceramic filter manufacturing method comprising a.
제1항에 있어서,
상기 필터부는 제1필터부와, 제2필터부와, 제3필터부 및 제4필터부로 이루어지며,
상기 (c) 단계는,
상기 제1필터부의 외면에서 적어도 일부면에 제2접착층을 형성한 다음, 상기 제1필터부에 인접하면서 제2접착층에 접착되도록 제2필터부와 제3필터부를 각각 형성하는 단계; 및
상기 제2필터부와 제3필터부의 외면에 제2접착층을 형성한 다음, 상기 제2필터부와 제3필터부에 인접하면서 제2접착층에 접착되도록 제4필터부를 형성하는 단계;
를 포함하는 것을 특징으로 하는 세라믹 필터 제조방법.The method of claim 1,
The filter part includes a first filter part, a second filter part, a third filter part and a fourth filter part,
The step (c)
Forming a second adhesive layer on at least part of an outer surface of the first filter part, and then forming a second filter part and a third filter part to be adjacent to the first filter part and to be attached to the second adhesive layer; And
Forming a second adhesive layer on outer surfaces of the second filter portion and the third filter portion, and then forming a fourth filter portion adjacent to the second filter portion and the third filter portion and bonded to the second adhesive layer;
Ceramic filter manufacturing method comprising a.
KR1020110067374A 2011-07-07 2011-07-07 Method for manufacturing diesel particulate filter KR101306291B1 (en)

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JP2000007455A (en) 1998-06-25 2000-01-11 Ibiden Co Ltd Ceramic structure joining apparatus and method therefor
KR20090007720A (en) * 2006-03-30 2009-01-20 니뽄 가이시 가부시키가이샤 Junction element, honeycomb segment junction element, and honeycomb structure therefrom
KR20090048110A (en) * 2007-11-09 2009-05-13 주식회사 칸세라 Honeycomb structure body with an asymmetric plugging configuration for improving back pressure difference and preparation method thereof
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JP2000007455A (en) 1998-06-25 2000-01-11 Ibiden Co Ltd Ceramic structure joining apparatus and method therefor
KR20090007720A (en) * 2006-03-30 2009-01-20 니뽄 가이시 가부시키가이샤 Junction element, honeycomb segment junction element, and honeycomb structure therefrom
KR20090048110A (en) * 2007-11-09 2009-05-13 주식회사 칸세라 Honeycomb structure body with an asymmetric plugging configuration for improving back pressure difference and preparation method thereof
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