KR100413570B1 - A method of manufacturing a charged honeycomb filter media and its filter media - Google Patents
A method of manufacturing a charged honeycomb filter media and its filter media Download PDFInfo
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- KR100413570B1 KR100413570B1 KR10-2001-0073248A KR20010073248A KR100413570B1 KR 100413570 B1 KR100413570 B1 KR 100413570B1 KR 20010073248 A KR20010073248 A KR 20010073248A KR 100413570 B1 KR100413570 B1 KR 100413570B1
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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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
- B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
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- 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
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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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
- B01D53/323—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 by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
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- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0618—Non-woven
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- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0681—The layers being joined by gluing
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- 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
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- Oil, Petroleum & Natural Gas (AREA)
- Filtering Materials (AREA)
Abstract
본 발명은 정전 집진필터의 제조방법에 관한 것이다. 특히 본 발명은 폴리프로필렌 계열의 필름원단에 적정한 장력을 주면서 이송시키는 단계와, 상기 이송하는 필름원단의 양쪽면에 연마브러시를 마찰접촉시켜 양쪽표면에 스크래치를 형성하는 단계와, 상기 표면에 스크래치가 형성된 필름원단에 정전기를 대전시키는 단계와, 상기 필름원단에 길이방향으로는 긴 띠형상을 이루고 필름원단의 폭방향으로 일정한 간격을 둔 복수열의 접착제를 도포하는 단계와, 상기 접착제가 도포된 필름원단을 상하방향으로 여러겹 적층하여 부착하는 단계와, 상기 여러겹 적층되어 부착된 필름원단들을 필름적층방향을 따라 일정한 두께 만큼 절단하는 단계 및 절단된 집진필터의 양단을 외측으로 당겨서 벌집형태로 만드는 단계를 포함한다. 이러한 본 발명은 연마브러시로써 필름원단 표면을 스크래칭하여 표면에 요철을 형성하기 때문에 부직포 파이버와 같은 별도의 보조재료를 사용하지 않고서도 공기접촉면적을 증대시킬 수 있어 집진효율을 높일 수 있다.The present invention relates to a method of manufacturing an electrostatic precipitating filter. In particular, the present invention is a step of feeding while giving a suitable tension to the polypropylene-based film fabric, and the step of forming a scratch on both surfaces by frictionally contacting the polishing brush on both sides of the film film to be transported, and the scratch on the surface Charging static electricity to the formed film fabric, applying a plurality of rows of adhesives at regular intervals in the width direction of the film fabric to form a long strip shape in the longitudinal direction, and applying the film fabric to the film fabric. Attaching a plurality of laminated layers in the vertical direction, cutting the film layers attached and stacked in a plurality of layers along a film stacking direction, and pulling both ends of the cut dust filter to the outside to form a honeycomb. It includes. Since the present invention scratches the surface of the film fabric with an abrasive brush to form irregularities on the surface, it is possible to increase the air contact area without using a separate auxiliary material such as a nonwoven fiber, thereby increasing dust collection efficiency.
Description
본 발명은 정전 집진필터의 제조방법 및 그에 따라 만들어진 정전 집진필터에 관한 것이다. 특히 본 발명은 벌집형 구조를 가짐으로써 공기와의 접촉면적을 증대시키면서 공기유동저항을 줄여서 자연통풍상태에서도 통기성을 확보할 수 있고, 공기와 접촉하는 표면에 정전기를 대전시켜 공기에 포함된 미세한 먼지입자까지도 포집하여 여과함으로써 집진효율을 극대화시킬 수 있는 벌집형 정전 집진필터를 제조하는 방법 및 그 집진필터에 관한 것이다.The present invention relates to a method for manufacturing an electrostatic precipitating filter and an electrostatic precipitating filter made accordingly. In particular, the present invention has a honeycomb structure to increase the contact area with the air while reducing the air flow resistance to ensure breathability even in a natural ventilation state, the fine dust contained in the air by charging the static electricity to the surface in contact with the air The present invention relates to a method for manufacturing a honeycomb electrostatic dust collecting filter capable of maximizing dust collecting efficiency by collecting and filtering particles, and a dust collecting filter thereof.
현재 공기정화용으로 사용되는 집진필터는 주로 부직포로 만들어지는 데, 이러한 부직포로 된 집진필터는 통기성이 좋지 않은 단점이 있다. 따라서 이러한 부직포 집진필터는 자연통풍상태에서 공기정화를 하여야 하는 경우에는 사용할 수 없으므로 공기를 강제로 통과시키기 위한 팬(fan)을 반드시 사용하여야 하는 단점이 있었다.At present, the dust collecting filter used for air purification is mainly made of nonwoven fabric, and the nonwoven fabric collecting filter has a disadvantage of poor breathability. Therefore, such a nonwoven fabric dust filter cannot be used when air purification is required in a natural ventilation state, so a fan must be used to force air through.
따라서 상기한 바와 같은 단점을 개선하기 위하여 수지성 접착제와 함께 교반한 부직포 파이버를 단일층으로 형성하여 그 위에 정전기를 대전시켜 만든 정전형 부직포 원단을 벌집형태로 만든 정전형 부직포 집진필터가 제안되었다. 그러나이러한 정전형 집진필터는 부직포 파이버 사이의 공간이 확보되어 통기성은 향상되었으나 그 부직포 파이버 사이에 흡착된 입자는 물이나 공기로 제거하기 어려워 재사용이 불가능하였으므로 빈번히 새로운 필터로 교체하여야 하는 문제가 있었다.Therefore, in order to improve the above-mentioned disadvantages, an electrostatic nonwoven dust collecting filter has been proposed in which a non-woven fiber stirred with a resinous adhesive is formed as a single layer and an electrostatic nonwoven fabric made by charging static electricity thereon in a honeycomb form. However, the electrostatic precipitating filter has a space between the nonwoven fibers to improve air permeability, but the particles adsorbed between the nonwoven fibers are difficult to remove with water or air, and thus cannot be reused.
이에 본 발명은 상기 종래 정전형 부직포 집진필터가 가진 문제점을 해결하기 위하여 고안된 것으로, 팬으로 공기를 강제송풍하지 않고 자연통풍상태에서도 통기성이 우수하면서도, 공기와의 접촉면적을 증대시킬 뿐아니라 공기와 접촉하는 표면에 정전기를 대전시켜 미세한 입자까지도 집진하여 집진효율을 높인 벌집형 정전 집진필터를 제조하는 방법 및 그 집진필터를 제공함에 목적이 있다.Accordingly, the present invention is designed to solve the problems of the conventional electrostatic nonwoven dust collecting filter, while providing excellent ventilation through natural fan conditions without forcibly blowing air to the fan, but also increasing the contact area with air. It is an object of the present invention to provide a method for manufacturing a honeycomb electrostatic dust collecting filter having a high dust collecting efficiency by collecting static particles by charging static electricity on a contact surface and a dust collecting filter thereof.
도 1은 본 발명에 따른 집진필터의 제조방법을 개략적으로 도시한 개략도,1 is a schematic diagram schematically showing a method of manufacturing a dust collecting filter according to the present invention;
도 2는 본 발명에 따른 집진필터의 제조방법에 대한 블록도,2 is a block diagram of a manufacturing method of a dust collecting filter according to the present invention;
도 3은 본 발명에 따라 필름원단에 연마브러시로 스크래치를 형성하는 공정을 개략적으로 도시한 사시도,3 is a perspective view schematically showing a process of forming a scratch with an abrasive brush on a film fabric according to the present invention;
도 4은 본 발명의 집진필터 제조방법에 따라 만들어진 원단적층체에서 1장의 집진필터를 만들어낸 상태의 사시도,4 is a perspective view of a state in which one dust filter is produced from a fabric laminated body made according to the method of manufacturing a dust filter of the present invention;
도 5a는 본 발명에 따른 벌집형 정전 집진필터의 구조를 부분 도시한 정면도이다.5A is a front view partially showing the structure of a honeycomb electrostatic precipitating filter according to the present invention.
도 5b는 도 5a의 A-A선을 따라 절단하여 도시한 단면도이다.FIG. 5B is a cross-sectional view taken along the line A-A of FIG. 5A.
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
1: 필름 권취롤 2: 텐션롤( tension roll)1: film winding roll 2: tension roll
5: 배출팬 10: 필름원단5: exhaust fan 10: film fabric
13: 스크래치(scratch) 15: 접착제13: scratch 15: adhesive
20: 벌집형 정전 집진필터 30: 연마브러시20: honeycomb electrostatic dust collecting filter 30: abrasive brush
31: 연마포 32: 연마입자31: abrasive cloth 32: abrasive grain
33: 브러시축33: brush axis
상기 목적을 달성하기 위한 본 발명의 벌집형 정전 집진필터 제조방법은 폴리프로필렌 계열의 필름원단에 적정한 장력을 주면서 이송시키는 단계와, 필름원단의 표면적을 증대시키기 위하여 상기 이송하는 필름원단의 양쪽면에 연마브러시를 마찰접촉시켜 양쪽표면에 스크래치를 형성하는 단계와, 상기 표면에 스크래치가 형성된 필름원단에 정전기를 대전시키는 단계와, 상기 필름원단에 길이방향으로는 긴 띠형상을 이루고 필름원단의 폭방향으로 일정한 간격을 둔 복수열의 접착제를 도포하는 단계와, 상기 접착제가 도포된 필름원단을 상하방향으로 여러겹 적층하여 부착하는 단계와, 상기 여러겹 적층되어 부착된 필름원단들을 필름적층방향을 따라 일정한 두께 만큼 절단하는 단계 및 상기 절단한 집진필터의 양단을 당겨서 벌집형태로 만드는 단계를 포함한다.The honeycomb electrostatic precipitating filter manufacturing method of the present invention for achieving the above object is a step of transferring while giving an appropriate tension to the polypropylene-based film fabric, and to increase the surface area of the film fabric on both sides of the film fabric to be transferred Forming a scratch on both surfaces by friction contacting the polishing brush, charging static electricity to the film fabric having the scratch formed on the surface thereof, forming a long band in the film fabric in the longitudinal direction, and forming a scratch in the width direction of the film fabric. Applying a plurality of rows of adhesive at regular intervals, and laminating and attaching multiple layers of the film fabric coated with the adhesive in the vertical direction; Cutting as much as the thickness and pulling both ends of the cut dust filter to make a honeycomb Steps.
또한 본 발명의 벌집형 정전 집진필터는 일정한 간격을 두고 적층되어 접착제로써 서로 부착되어 그 접착제 사이마다 사이공간을 형성하며 양단 테두리에 가해지는 외력에 의해 각 사이공간이 확장되어 전체적으로 벌집형태를 이루는 여러겹의 폴리프로필렌계 필름원단과, 상기 서로 마주보는 필름원단들을 접착하는 접착제들 사이에 배치된 상기 필름원단의 표면이 연마브러시로써 스크래칭되어 형성되고 표면에 정전기가 대전되어 있는 복수의 스크래치들로 이루어진다.In addition, the honeycomb electrostatic precipitating filter of the present invention is laminated at regular intervals and attached to each other as an adhesive to form an interspace between the adhesives, and each interspace is expanded by external force applied to both edges to form a honeycomb as a whole. The surface of the film fabric disposed between the ply polypropylene film fabric and the adhesives for adhering the film fabrics facing each other is formed by scratching with a polishing brush and is composed of a plurality of scratches in which static electricity is charged on the surface. .
상기한 바의 본 발명에 따라 제조된 집진필터는 얇은 필름원단 및 그 원단에 부착된 스크래치 부분에 정전기를 띤 상태로 벌집형태를 이루므로 집진 표면적(진표면적)이 확대되고 그 벌집의 각 셀마다 구비된 스크래치들은 정전기를 띠고 있으므로 사이공간을 통과하는 미세한 입자까지도 흡착하여 집진효율을 높인다.The dust collecting filter manufactured according to the present invention as described above forms a honeycomb in a state in which the thin film fabric and the scratch portion attached to the fabric have an electrostatic state, and thus the dust collecting surface area (true surface area) is enlarged and each cell of the honeycomb is expanded. Since the provided scratches are electrostatic, they adsorb even minute particles passing through the interspace to increase dust collection efficiency.
이하, 본 발명에 따른 벌집형 정전 집진필터 제조방법 및 그 제조방법에 의해 제조된 벌집형 정전 집진필터의 실시예를 첨부도면에 따라 상세히 설명한다.Hereinafter, an embodiment of a honeycomb electrostatic precipitating filter manufacturing method and a honeycomb electrostatic precipitating filter manufactured by the manufacturing method according to the present invention will be described in detail according to the accompanying drawings.
도 1은 본 발명에 따라 집진필터를 제조하는 과정을 개략적으로 도시한 개략도이다.1 is a schematic diagram illustrating a process of manufacturing a dust collecting filter according to the present invention.
도 1 및 도 2에 도시된 바와 같이, 본 발명에 따른 집진필터 제조방법은 권취롤(1)에 권취된 폴리프로필렌 계열의 필름원단(10)을 복수개의 텐션롤(2)로써 지지하여 적정한 장력을 주면서 이송시키는 단계를 포함한다. 여기서 상기 필름원단(10)은 0.5-10Mil(1Mil=1/1000인치)의 두께를 가진 것을 사용하고, 정전기의 대전이 가능한 폴리프로필렌계열의 필름을 사용하며, 5-60m/min의 속도로 이송되게 권취롤(1)의 속도를 제어한다.As shown in Figures 1 and 2, the dust collecting filter manufacturing method according to the present invention supports the polypropylene-based film fabric 10 wound on the winding roll (1) with a plurality of tension rolls (2) for proper tension Transferring while giving. Here, the film fabric 10 uses a thickness of 0.5-10 Mil (1Mil = 1/1000 inch), uses a polypropylene-based film capable of charging of static electricity, and transfers at a speed of 5-60 m / min. The speed of the take-up roll 1 is controlled.
이어서 도 2 및 도 3에 도시된 바와 같이, 상기한 바와 같은 조건으로 이송되는 필름원단(10)의 양쪽면에 연마브러시(30)를 마찰접촉시켜 양쪽표면에 스크래치(13)를 형성함으로써 공기와의 접촉면적을 증대시킨다. 이때 상기 필름원단(10)에 형성되는 스크래치(13)는 필름원단 폭방향으로 파형이 불규칙한 복수열로 이루어지면서 길이방향으로도 불규칙한 파형을 이루게 된다. 그리고 상기 연마브러시(30)는 도 3에 도시된 바와 같이, 시트형상의 부직포에 Al2O3또는 SiC입자와 같은 연마입자(32)를 수지형 접착제로써 부착시킨 복수개의 연마포(31)를 브러시축(33) 외주면의 원주방향을 따라 방사상으로 설치한 구조로 되는 것이 바람직하다. 그런데 연마입자(32)를 SiC입자를 사용하면 Al2O3입자로 사용하는 경우에 비하여 균일하고 날카로운 스크래치 패턴을 얻을 수 있었고, 입자크기가 균일하면 그렇지 않은 경우에 비하여 더 많은 수의 스크래치 피크(peak)를 얻을 수 있어 공기와 접촉면적(진표면적이라 한다.)을 증대시킬 수 있었다.Then, as shown in FIGS. 2 and 3, the abrasive brush 30 is friction-contacted to both surfaces of the film fabric 10 to be conveyed under the conditions as described above to form scratches 13 on both surfaces. Increase the contact area of the In this case, the scratch 13 formed on the film fabric 10 has irregular waveforms in the longitudinal direction while being made of a plurality of rows with irregular waveforms in the film fabric width direction. As shown in FIG. 3, the abrasive brush 30 includes a plurality of abrasive cloths 31 having the abrasive particles 32 such as Al 2 O 3 or SiC particles attached to the sheet-shaped nonwoven fabric with a resin adhesive. It is preferable to have a structure provided radially along the circumferential direction of the outer peripheral surface of the brush shaft 33. However, when the abrasive particles 32 were used as SiC particles, a uniform and sharp scratch pattern could be obtained compared with the case of using Al 2 O 3 particles. peak) to increase the contact area with air (called the true surface area).
그리고 상기 연마브러시(30)는 필름원단(10)이 진행하는 방향과 일치하는 방향으로 회전하여야 하며 필름원단(10)에 대한 상대표면속도는 0-2,500 SFPM(Surface Feet Per Minute)로 하는 것이 바람직하다. 만약 필름원단(10)의 진행방향과 반대방향으로 회전하게 되면 원단필름이 찢어지는 현상이 발생한다.The polishing brush 30 should be rotated in a direction corresponding to the direction in which the film fabric 10 proceeds, and the relative surface speed with respect to the film fabric 10 is preferably 0-2,500 SFPM (Surface Feet Per Minute). Do. If the film is rotated in a direction opposite to the progress direction of the fabric 10, the original film is torn.
그리고 필름원단(10)에 스크래치(13)를 형성할 때 발생하여 표면에 잔류하는 부스러기를 배출팬(5)으로 떨어낸다.Then, when the scratch 13 is formed on the film fabric 10, the debris generated on the surface is dropped into the discharge fan 5.
이어서 도 1에 도시된 바와 같이, 양쪽 표면에 스크래치(13)를 형성한 필름원단(10)에 대략 22,000 Kv의 전압을 걸어 정전기를 대전시킨다. 그리고나서 상기 정전기를 띤 필름원단(10)에 길이방향으로는 긴 띠형상을 이루고 필름원단(10)의 폭방향으로 일정한 간격을 둔 복수열의 접착제(15)를 도포한다. 도 4에 도시된 바와 같이, 상기 접착제가 도포된 필름원단(10)을 상하방향으로 여러겹 적층한 후, 스크래치 형성방향에 대하여 직교하는 방향을 따라 일정한 두께 만큼 절단하여 집진필터(20)를 제작한다.Subsequently, as shown in FIG. 1, a voltage of approximately 22,000 Kv is applied to the film fabric 10 having the scratches 13 formed on both surfaces thereof to charge the static electricity. Then, a plurality of rows of adhesives 15 are formed on the electrostatic film fabric 10 in a longitudinal direction in the longitudinal direction and spaced at regular intervals in the width direction of the film fabric 10. As shown in FIG. 4, after stacking the film fabric 10 coated with the adhesive in a vertical direction, the dust filter 20 is manufactured by cutting a predetermined thickness in a direction orthogonal to the scratch forming direction. do.
상기와 같이 제작된 집진필터(20)의 양단을 외측방향으로 당기면 그 필름원단(10)은 접착제(15)로 고정되지 않은 부분이 인접하는 필름원단(20)층에서 벌어지면서 그 사이공간(S)이 확개됨으로써 전체적으로 벌집형태로 된다. 이렇게 벌집형태로 만든상태에서 집진필터(20)의 테두리를 프레임(도시생략)으로 고정하면 집진필터는 전체적으로 벌집형태를 유지하게 된다.When both ends of the dust collecting filter 20 manufactured as described above are pulled outwards, the film fabric 10 is spaced between the layers of the film fabric 20 adjacent to each other, the portion of which is not fixed by the adhesive 15 being spaced therebetween (S). ) Expands into a honeycomb form as a whole. When the frame of the dust collecting filter 20 is fixed to a frame (not shown) in the state of making a honeycomb, the dust collecting filter maintains the honeycomb shape as a whole.
그리고 본 발명의 벌집형 정전 집진필터(20)는 도 5a에 도시된 바와 같이, 일정한 간격을 두고 적층되어 접착제(15)로써 서로 부착되어 그 접착제(15)사이마다 사이공간(S)을 형성하며 양단 테두리에 가해지는 외력에 의해 각 사이공간(S)이 확장되어 전체적으로 벌집형태를 이루는 여러겹의 폴리프로필렌계 필름원단(10)과, 상기 서로 마주보는 필름원단(10)들을 접착하는 접착제(15)사이에 배치된 상기 필름원단(10)의 표면이 연마브러시(30)로써 스크래칭되어 형성되고 표면에 정전기가 대전되어 있는 복수의 스크래치(13)들로 이루어진 것이다. 그리고 도 5b에 도시된 바와 같이, 각 스크래치(13)에는 길이방향(공기가 통과하는 방향)으로도 불규칙한높이의 피크를 복수개 형성되어 있다.And the honeycomb electrostatic dust collecting filter 20 of the present invention, as shown in Figure 5a, are laminated at regular intervals are attached to each other with the adhesive (15) to form an interspace (S) between the adhesive (15) Each interspace (S) is extended by an external force applied to both edges to form a plurality of polypropylene-based film fabric 10 in the form of a honeycomb, and the adhesive for bonding the film fabrics 10 facing each other (15) The surface of the film fabric 10 disposed between the) is formed of a plurality of scratches 13 is formed by scratching with a polishing brush 30 and the static electricity is charged on the surface. As shown in Fig. 5B, each of the scratches 13 is provided with a plurality of peaks of irregular height even in the longitudinal direction (the direction through which air passes).
상기한 바와 같이 만들어진 벌집형 정전 집진필터는 얇은 필름원단 및 그 원단에 부착된 스크래치(13)부분에 정전기를 띤 상태로 벌집형태를 이루므로 집진 표면적(진표면적)이 확대되고 그 벌집의 각 셀마다 구비된 스크래치들은 정전기를 띠고 있으므로 사이공간(S)을 통과하는 미세한 입자까지도 흡착하여 집진효율을 높일 수 있게 된다.The honeycomb electrostatic precipitating filter made as described above forms a honeycomb with static electricity on the thin film fabric and the scratch 13 attached to the fabric, so that the surface area (true surface area) of the dust is enlarged and each cell of the honeycomb is enlarged. Since the scratches are provided with static electricity each time, even the fine particles passing through the interspace (S) can be adsorbed to increase the dust collection efficiency.
상기한 바와 같이, 본 발명의 집진필터 제조방법에 따르면 연마브러시로써 필름원단 표면을 스크래칭하여 표면에 요철을 형성하기 때문에 부직포 파이버와 같은 별도의 보조재료를 사용하지 않고서도 공기접촉면적을 증대시킬 수 있어 집진효율을 높일 수 있고, 특히 원단표면에 스크래치를 형성할 때 시트형상의 유연한 부직포를 브러시형태로 만든 연마브러시를 사용하므로 필름표면에 과다한 압력이 작용하지 않아 필름원단이 절단되는 현상을 방지할 수 있고, 원단표면과 균일하게 접촉하므로 2차 표면버어(Burr)를 발생시키지 않고 고른 스크래칭 표면을 얻을 수 있다.As described above, according to the method of manufacturing the dust collecting filter of the present invention, since the surface of the film is scratched by the polishing brush to form irregularities on the surface, the air contact area can be increased without using a separate auxiliary material such as a nonwoven fiber. It is possible to increase dust collection efficiency, and in particular, when forming scratches on the fabric surface, the polishing brush made of sheet-like flexible non-woven fabric in the form of brush is used so that the film surface is not cut because excessive pressure is not applied to the film surface. It is possible to obtain a uniform scratching surface without generating a secondary surface burr because it is in uniform contact with the distal surface.
Claims (3)
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| KR10-2001-0073248A KR100413570B1 (en) | 2001-11-23 | 2001-11-23 | A method of manufacturing a charged honeycomb filter media and its filter media |
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| KR10-2001-0073248A KR100413570B1 (en) | 2001-11-23 | 2001-11-23 | A method of manufacturing a charged honeycomb filter media and its filter media |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5441550A (en) * | 1992-03-26 | 1995-08-15 | The University Of Tennessee Research Corporation | Post-treatment of laminated nonwoven cellulosic fiber webs |
| US6004462A (en) * | 1995-07-13 | 1999-12-21 | Nippondenso Co., Ltd. | Filter element |
| JP2001269529A (en) * | 2000-03-28 | 2001-10-02 | Canon Inc | Electrostatic filter unit and image forming apparatus |
| KR20030024178A (en) * | 2001-09-17 | 2003-03-26 | 엄성우 | Air filter installed in window |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5441550A (en) * | 1992-03-26 | 1995-08-15 | The University Of Tennessee Research Corporation | Post-treatment of laminated nonwoven cellulosic fiber webs |
| US6004462A (en) * | 1995-07-13 | 1999-12-21 | Nippondenso Co., Ltd. | Filter element |
| JP2001269529A (en) * | 2000-03-28 | 2001-10-02 | Canon Inc | Electrostatic filter unit and image forming apparatus |
| KR20030024178A (en) * | 2001-09-17 | 2003-03-26 | 엄성우 | Air filter installed in window |
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