KR20100053962A - Photocatalyst filter for air cleaner - Google Patents

Photocatalyst filter for air cleaner Download PDF

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Publication number
KR20100053962A
KR20100053962A KR1020080112862A KR20080112862A KR20100053962A KR 20100053962 A KR20100053962 A KR 20100053962A KR 1020080112862 A KR1020080112862 A KR 1020080112862A KR 20080112862 A KR20080112862 A KR 20080112862A KR 20100053962 A KR20100053962 A KR 20100053962A
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KR
South Korea
Prior art keywords
air
photocatalyst
filter
photocatalyst filter
air cleaner
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KR1020080112862A
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Korean (ko)
Inventor
임호근
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임텍산업주식회사
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Priority to KR1020080112862A priority Critical patent/KR20100053962A/en
Publication of KR20100053962A publication Critical patent/KR20100053962A/en

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultra-violet radiation
    • A61L9/205—Ultra-violet radiation using a photocatalyst or photosensitiser
    • 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
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/045—Deodorising additives
    • 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
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material

Abstract

PURPOSE: A photocatalytic filter for an air cleaner is provided to increase sterilization and deodorizing effects by increasing a contact area of the air and a photocatalyst, and to improve corrosion preventing effects of the air. CONSTITUTION: A photocatalytic filter for an air cleaner includes a photocatalytic filter(1), a ultra-violet ray lamp(6) and a grill(3). A plurality of inclined penetration holes is formed on the photocatalytic filter to guide the air. A photocatalyst is coated on the total surface of the grill. The photocatalytic filters are installed on an opposite side to face the front surface of the filter each other.

Description

공기청정기용 광촉매 필터{PHOTOCATALYST FILTER FOR AIR CLEANER}Photocatalyst filter for air cleaner {PHOTOCATALYST FILTER FOR AIR CLEANER}

본 발명은 실내 공기를 정화하여 청정공기를 공급하는데 사용하는 공기청정기의 필터구조를 개선하여 기존의 구조에 비해서 공기 청정효과를 극대화한 공기청정기용 고성능 광촉매 필터에 관한 것이다.The present invention relates to a high-performance photocatalyst filter for an air cleaner, which maximizes the air cleaning effect by improving the filter structure of an air cleaner used to purify indoor air and supply clean air.

일반적으로 공기청정기는 오염된 공기 즉, 공기중에 포함된 분진포집, 가스제거, 냄새탈취 등의 정화기능을 수행하여 청정공기를 공급하는 기기로서, 청정방식의 종류로는 전기집진방식과 음이온발생방식과 필터방식으로 대별된다. In general, an air cleaner is a device that supplies clean air by purifying polluted air, that is, dust collection, gas removal, and deodorization contained in the air. The types of cleaning methods include electric dust collection method and anion generation method. And filter type.

필터방식 중에서 근래에는 광촉매필터를 이용하는 기기의 사용빈도가 많다.Recently, among the filter methods, devices that use photocatalyst filters are frequently used.

알려진 공기청정기용 광촉매 필터는 벌집처럼 생긴 필터 격자에 코팅된 광촉매를 380nm 이하 파장의 자외선에 접촉시켜 산화티타튬을 여기시키면서 산화력이 강한 하이드록시 라디칼과 산소를 생성하여 공기에 섞인 유기 오염물질을 산화시켜 인체에 무해한 물질로 변화시키고 살균과 탈취, 및 부패 방지에 기여토록 한 것이다. 광촉매로는 산화티타튬, 이산화티탄이 있다.Known photocatalyst filters for air cleaners oxidize organic pollutants mixed in the air by producing highly oxidative hydroxy radicals and oxygen by exciting titanium oxide by contacting the photocatalyst coated on a honeycomb-like filter lattice with ultraviolet light of wavelength less than 380 nm. It is made to change into a harmless substance to human body and contribute to the prevention of sterilization, deodorization and corruption. Photocatalysts include titanium oxide and titanium dioxide.

공기청정기의 광촉매 필터는 단순히 광촉매물질이 코팅처리된 평판형 필터가 알려져 있고, 평판체에 다수의 구멍을 천공한 다공판 형태의 필터에 오염 공기가 통과하는 통공이 형성되어 있는 구조가 알려져 있다.The photocatalyst filter of an air cleaner is known to be a flat plate filter coated with a photocatalytic material simply, and a structure is known in which a through-hole through which contaminated air passes is formed in a porous plate type filter in which a plurality of holes are formed in the flat plate.

이런 다공판 형태의 광촉매 필터는 외부에서 정화실로 유입되는 공기가 광촉매 필터의 단면 방향으로 곧장(직선) 통과하므로 필터 내에서의 이동 경로가 짧고, 필터의 단위체적당 공기가 접촉할 수 있는 표면적도 또한 작다.In the porous plate type photocatalyst filter, the air flowing into the purification chamber from the outside passes straight (straight line) in the cross-sectional direction of the photocatalyst filter, so that the path of movement in the filter is short, and the surface area where air per unit volume of the filter can also contact small.

광촉매 필터 내에서 공기는 체류 시간이 길고 접촉면적이 넓을수록 광촉매 효과가 극대화될 터인데, 종래의 광촉매 필터는 공기 체류시간이 짧고 광촉매에 접촉할 수 있는 표면적도 작기 때문에 광촉매에 의한 살균과 탈취효과는 물론 부패방지 효과도 기대치에 훨씬 미치지 못했다.In the photocatalyst filter, the longer the residence time and the larger the contact area, the greater the photocatalytic effect.The conventional photocatalyst filter has a shorter air residence time and a smaller surface area for contact with the photocatalyst. Of course, the anti-corruption effect was far below expectations.

본 발명의 목적은 공기청정기용 광촉매 필터의 성능을 대폭 향상시키려는 것이며, 다른 목적은 필터의 성능향상으로 제품의 신뢰성과 품질 향상을 기할 수 있게 하는 것이다.An object of the present invention is to significantly improve the performance of the photocatalyst filter for an air cleaner, and another object is to improve the reliability and quality of the product to improve the performance of the filter.

이 과제는, 광촉매 필터에 주어지는 공기 통과용 통공을 완전 천공방식을 지양하고 프레스에서 톰슨 가공으로 칼집자리를 내고 이 칼집자리를 기준으로 한 쪽을 일률적으로 팽출시킨 그릴로 개량하여 빈자리로 남던 종래의 통공에 비해 표면 적이 넓고 공기의 흐름을 지연시키는 장애물로도 기능하게 해 오염된 공기의 필터 내 체류시간의 연장과 광촉매에 대한 노출 기회를 늘림으로써 광촉매 효과를 극대화한 공기청정기용 광촉매 필터로 달성할 수 있다.The problem is that the air passage through the photocatalyst filter is avoided to be completely drilled, and it is improved by a thomson process at the press. Achieved as a photocatalyst filter for an air cleaner that maximizes the photocatalytic effect by extending the residence time of contaminated air in the filter and increasing the chance of exposure to the photocatalyst by increasing the surface area and functioning as an obstacle that delays the flow of air. can do.

오염된 공기가 광촉매 필터로 들어올 때도 그렇고 정화되어 나갈 때도 통공에서 떨어져 나가지 않고 남아 있는 타발형 그릴은 통공에 상응하는만큼 살이 떨어져 나가 텅 빈 광촉매 필터에 비해 표면적이 훨씬 넓고, 타발형 그릴에 의해 공기의 흐름이 느려져서 필터 내에서의 공기의 체류시간이 길다. 이 두 가지 특이점에 의해서 필터 내에서 공기가 광촉매에 접촉하는 기회를 늘려 살균과 탈취 효과가 증대되고 부패방지효과도 두드러지며, 제품의 신뢰성과 품질 향상의 효과가 크다.When contaminated air enters the photocatalyst filter and when it is purged out, the punched grill remaining without falling out of the through hole has a much larger surface area than the empty photocatalyst filter due to the loss of flesh corresponding to the through hole. The flow of air slows down and the residence time of air in the filter is long. These two singularities increase the chance of air contacting the photocatalyst in the filter, increasing sterilization and deodorization effects, preventing corruption, and improving product reliability and quality.

공기청정기(2)의 하부 양쪽에 오염공기 유입구를 형성하여 광촉매필터(1)와 자외선램프(6)로 구성된 청정처리장치를 설치하여 송풍휀(7)의 흡입력에 의해서 흡인된 오염공기가 정화되어 상부로 공급되게 한 것은 공지한바와 같다.Contaminated air inlets are formed on both sides of the lower part of the air cleaner (2), and a clean processing device composed of the photocatalyst filter (1) and the ultraviolet lamp (6) is installed to purify the contaminated air sucked by the suction force of the blower (7). The supply to the top is as known.

본 발명에 의한 광촉매 필터(1)는 오염된 공기가 유입되는 공기청정기(2)의 공기유입구측에 장전된다. The photocatalyst filter 1 according to the present invention is loaded on the air inlet side of the air cleaner 2 into which the polluted air flows.

본 발명에서 제안하는 광촉매 필터(1)는 공기 통과용 구멍은 펀칭에 의한 완전 천공이 아닌 그릴(3)로 되어 있다. In the photocatalyst filter 1 proposed in the present invention, the air passage hole is a grill 3 that is not completely punched by punching.

그릴(3)은 프레스에서 톰슨 가공법으로 선형 칼집자리를 내고 칼집자리의 한쪽을 일률적으로 일방향으로 팽출시켜 칼집자리가 공기 통과용 경사통공(4)이 되도록 가공한 것이다.The grill 3 is processed so that the sheath becomes an inclined through-hole 4 for air passage by making a linear sheath in a press and swelling one side of the sheath uniformly in one direction.

그릴(3)은 경사통공(4)이 주어짐에도 격자에서 떨어져 나가지 않고 그대로 존속하면 광촉매 필터의 표면적이 넓어지고, 오염된 공기가 들어와서 나갈 때까지의 체류시간도 늘어난다.If the grill 3 is provided with the inclined through-hole 4 without remaining off the grid, the surface area of the photocatalyst filter is widened, and the residence time until the contaminated air enters and exits also increases.

물론, 그릴(3)을 포함한 전체면에도 광촉매(5)를 코팅한다.Of course, the photocatalyst 5 is also coated on the entire surface including the grill 3.

이에 따라 그릴(3)에 의한 공기의 통과 경로는 직진형에서 지그재그형으로 바뀐다. 지그재그형 공기 통과 경로는 직진형에 비해 훨씬 길다.As a result, the passage path of air by the grille 3 changes from straight to zigzag. Zig-zag air passages are much longer than straight.

이처럼 공기가 광촉매 필터(1) 내에서 머무는 시간이 길고 광촉매(5)의 표면적도 넓기 때문에 공기정화 성능이 획기적으로 증대되는 것이다.As such, the air stays in the photocatalyst filter 1 for a long time and the surface area of the photocatalyst 5 is also large, which greatly increases the air purification performance.

본 발명은 송풍휀(7)의 흡입력에 의해서 흡인된 오염공기가 광촉매 필터(1)의 그릴(3)로 유도되어 천천히 이동하여 뉘여진 상태로 경사통공(4)을 통과하는 중에 자외선램프(6)에서 발생하는 자외선과 필터의 광촉매가 반응하여 유해가스와 먼지 등 불순물의 살균 및 탈취작용이 이루어지고 정화처리된 청정공기는 본체 상부로 공급된다. The present invention is directed to the grill 3 of the photocatalyst filter 1 by the suction force of the blower 7, and moves slowly through the inclined through-holes 4 in the closed state. Ultraviolet rays generated from) react with photocatalyst of filter and sterilization and deodorization of impurities such as harmful gas and dust are performed, and purified air is supplied to upper part of main body.

도 1은 본 발명의 광촉매 필터가 장전된 공기청정기의 배면도1 is a rear view of an air cleaner loaded with a photocatalyst filter of the present invention.

도 2는 공기청정기의 개략적 측면도2 is a schematic side view of an air cleaner

도 3은 본 발명에 의한 광촉매 필터의 예시도Figure 3 is an illustration of a photocatalyst filter according to the present invention

도 4는 광촉매 필터의 측면도4 is a side view of the photocatalyst filter

도 5는 광촉매 필터의 부분 단면 확대도5 is an enlarged partial cross-sectional view of a photocatalyst filter

[도면의 중요한 부분에 대한 부호설명][Code Description of Important Parts of Drawing]

1: 광촉매 필터 2: 공기청정기1: photocatalyst filter 2: air cleaner

3: 그릴 4: 경사통공3: grille 4: inclined through hole

5: 광촉매 6: 자외선램프5: photocatalyst 6: ultraviolet lamp

Claims (2)

광촉매 필터(1)와 자외선 램프(6)를 설치하여 공기에 함유된 불순물을 정화 처리하는 공기청정기(2)에 있어서, 공기청정기(2)에 내장되는 광촉매 필터(1)에 공기를 경사형으로 통과하도록 유도하는 다수의 경사통공(4)을 형성하여 그릴(3)을 형성하고 이 그릴(3)의 전체 면에 광촉매(5)를 코팅한 것을 특징으로 하는 공기청정기용 광촉매 필터.In the air purifier (2) for installing the photocatalyst filter (1) and the ultraviolet lamp (6) to purify impurities contained in the air, the air is inclined to the photocatalyst filter (1) built in the air cleaner (2) A photocatalyst filter for an air cleaner, comprising forming a grill (3) by forming a plurality of inclined through holes (4) to guide it through and coating a photocatalyst (5) on the entire surface of the grill (3). 제 1항에 있어서, 다수의 경사통공(4)을 가진 2조의 광촉매 필터(1)를 일정한 벌림간격을 갖도록 마주보게 설치하고 그 중간에 자외선램프(6)를 설치하여 오염공기의 머무는 시간이 길어지도록 구성한 것을 특징으로 하는 공기청정기용 광촉매 필터. The method of claim 1, wherein two sets of photocatalyst filters (1) having a plurality of inclined through holes (4) are installed to face each other with a constant gap, and an ultraviolet lamp (6) is installed in the middle to lengthen the residence time of contaminated air. Photocatalyst filter for air purifier, characterized in that configured to.
KR1020080112862A 2008-11-13 2008-11-13 Photocatalyst filter for air cleaner KR20100053962A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110396349A (en) * 2019-07-26 2019-11-01 马鞍山钢铁股份有限公司 A kind of aludip and its manufacturing method with photocatalytic activity and excellent corrosion resistance energy
KR20210001194U (en) * 2019-11-21 2021-05-31 주식회사 이플로우솔루션 Air purifier using photocatalyst filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110396349A (en) * 2019-07-26 2019-11-01 马鞍山钢铁股份有限公司 A kind of aludip and its manufacturing method with photocatalytic activity and excellent corrosion resistance energy
KR20210001194U (en) * 2019-11-21 2021-05-31 주식회사 이플로우솔루션 Air purifier using photocatalyst filter

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