JPS631091B2 - - Google Patents
Info
- Publication number
- JPS631091B2 JPS631091B2 JP54063668A JP6366879A JPS631091B2 JP S631091 B2 JPS631091 B2 JP S631091B2 JP 54063668 A JP54063668 A JP 54063668A JP 6366879 A JP6366879 A JP 6366879A JP S631091 B2 JPS631091 B2 JP S631091B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- harmful gas
- air flow
- air
- pressure loss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 18
- 239000003795 chemical substances by application Substances 0.000 description 9
- 230000003068 static effect Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 238000004898 kneading Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009760 functional impairment Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
【発明の詳細な説明】
本発明は圧力損失が低く有害ガス除去率が高い
フイルター構成であり、送風機の静圧特性に応じ
てフイルターの圧力損失や有害ガス除去率を変え
られる特徴を持つたフイルターに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention has a filter configuration with low pressure loss and high harmful gas removal rate, and has the feature that the pressure loss and harmful gas removal rate of the filter can be changed according to the static pressure characteristics of the blower. It is related to.
近年、産業の発達や自動車の増加で空気中の窒
素酸化物、特に二酸化窒素（以下NO2と記す）、
一酸化炭素（以下COと記す）が増加し健康に及
ぼす影響が心配されている。NO2やCOは人体に
対して有害であり、長期間暴露されると機能障害
を起こし、最終的には死に至る場合もある。政府
も環境基準濃度を設定しその低減に努力している
が、交通量の多い都心部・地下駐車場・高速道路
料金徴収所及びにその周辺部などでは環境基準濃
度を上まわる日が多く、空気清浄の必要が力説さ
れている。空気中のNO2やCOを常温で高性能に
除去できるものは既に開発されているが、除去剤
の圧力損失が高いので静圧の大きい送風機を有す
る空調装置でなければその適用が出来ず、静圧の
小さい送風機でも適用できる圧力損失の小さいフ
イルター構成の開発が望まれていた。低圧力損失
で高除去率のフイルターとしてはハニカムタイプ
があるが圧力損失や除去率はハニカムの形状によ
り一定であり、送風機の静圧特性が変化した場合
に圧力損失や除去率が対応できなかつた。 In recent years, due to the development of industry and the increase in the number of automobiles, nitrogen oxides in the air, especially nitrogen dioxide (hereinafter referred to as NO 2 ),
Carbon monoxide (hereinafter referred to as CO) is increasing and there are concerns about its effects on health. NO 2 and CO are harmful to the human body, and long-term exposure can cause functional impairment and eventually death. The government has set environmental standard concentrations and is making efforts to reduce them, but there are many days when the environmental standard concentrations are exceeded in areas with heavy traffic such as urban centers, underground parking lots, expressway toll collection stations, and their surrounding areas. The need for air purification is emphasized. Products that can remove NO 2 and CO from the air with high performance at room temperature have already been developed, but because the pressure loss of the removal agent is high, they can only be applied to air conditioners that have a blower with high static pressure. It has been desired to develop a filter configuration with low pressure loss that can be applied to blowers with low static pressure. There is a honeycomb type filter that has low pressure loss and high removal rate, but the pressure loss and removal rate are constant depending on the shape of the honeycomb, and the pressure loss and removal rate cannot respond to changes in the static pressure characteristics of the blower. .
従来、フイルターの構成は除去剤を通気孔を多
数有するプラスチツクスケース内に充填したもの
２枚の繊維の間に除去剤を充填した不織布、除去
剤を繊維の表面に接着もしくは塗布したものがあ
つたが、これらはフイルター面を空気流路に対し
て垂直に設置して使用するのでいずれも圧力損失
が低くて除去率が高いという条件を同時に満足で
きなかつた。 Traditionally, filters have been constructed by filling a plastic case with a removing agent with many ventilation holes, non-woven fabric with the removing agent filled between two fibers, and filters with the removing agent glued or coated on the surface of the fibers. However, since these methods are used with the filter surface perpendicular to the air flow path, it is not possible to simultaneously satisfy the conditions of low pressure loss and high removal rate.
本発明は有害ガス除去剤を表面もしくは内部に
有する板状のフイルター片を空気流路に複数枚設
け、フイルター面を空気流路方向に対して任意に
変えられる構成にする事により、送風機の静圧特
性に応じてフイルター面を変えて圧力損失が低く
除去率が高いフイルター構成を提供するものであ
る。 The present invention provides a plurality of plate-shaped filter pieces having a harmful gas removing agent on the surface or inside thereof in the air flow path, and the filter surface is configured to be able to be changed arbitrarily in the direction of the air flow path, thereby making the blower quieter. The present invention provides a filter configuration that changes the filter surface according to pressure characteristics and has low pressure loss and high removal rate.
以下本発明の一実施例を図面を用いて説明す
る。 An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明を空調機器の空気吹出し口（吸
い込み口）へ応用した一例である。１は空気吹出
し口（吸い込み口）、２は有害ガス除去フイルタ
ー片、３は流路断面可変器具である。第２図は第
１図の断面図である。 FIG. 1 is an example in which the present invention is applied to an air outlet (intake) of an air conditioner. Reference numeral 1 indicates an air outlet (intake port), 2 indicates a harmful gas removal filter piece, and 3 indicates a variable channel cross-section device. FIG. 2 is a sectional view of FIG. 1.
空調機器の空気吹出し口（吸い込み口）１に複
数枚設置された板状の有害ガス除去フイルター片
２は流路断面可変器具３によつて送風機の静圧特
性に応じてフイルター面が空気流路方向に対して
任意に変えられ、これにともなつて有害ガス除去
フイルターの圧力損失と有害ガス除去率が変化す
る。有害ガス除去フイルター片２は二枚の板状の
化学繊維の間に有害ガス除去剤を充填したもの、
板状の化学繊維の表面に有害ガス除去剤を接着も
しくは塗布したもの、有害ガス除去剤を板状に成
型した物である。第３図は有害ガス除去フイルタ
ー片の一例の断面図である。４は化学繊維、５は
有害ガス除去剤である。有害ガス除去フイルター
片は２枚の板状の化学繊維４の間に有害ガス除去
剤５をはさみこんだ不織布である。有害ガス除去
剤５はアルカリとセメント材と粉末活性炭の混練
成型物のNO2除去剤、アルカリとセメント材と
粉末活性炭の混練成型物に白金・ルテニウム・ロ
ジウムより選んだ一種以上とパラジウムを同時
に、もしくはパラジウム単独で担持した触媒を用
いる。特にアルカリとして炭酸カリウム・９水酸
化カルシウム、セメント材として焼石膏（硫酸カ
ルシウム）を用いた混練成型物NO2をひじよう
に良く除去する。また触媒として炭酸カリウムと
アルミナセメントと粉末活性炭を混練成型した担
体に白金とパラジウムを同時に担持したものは
COをひじように良く除去する。ポリプロピレン
製不織布は吸湿性が小さい性質を有するので、水
分をNO2除去剤もしくはCO酸化触媒の表面によ
く保持させる役目をする。このNO2除去剤およ
びCO酸化触媒は水分が多いとよくNO2およびCO
を除去するので、このポリプロピレン不織布の低
吸湿性は除去率向上につながる。 A plurality of plate-shaped harmful gas removal filter pieces 2 installed at the air outlet (intake) 1 of an air conditioner are controlled by a flow path cross-section variable device 3 to adjust the filter surface to the air flow path according to the static pressure characteristics of the blower. The direction can be changed arbitrarily, and the pressure loss and the harmful gas removal rate of the harmful gas removal filter change accordingly. The harmful gas removing filter piece 2 is made of two plate-shaped chemical fibers filled with a harmful gas removing agent.
These are plate-shaped chemical fibers with a harmful gas remover glued or coated on the surface, or products in which the harmful gas remover is molded into a plate shape. FIG. 3 is a sectional view of an example of a harmful gas removal filter piece. 4 is a chemical fiber, and 5 is a harmful gas remover. The harmful gas removing filter piece is a nonwoven fabric in which a harmful gas removing agent 5 is sandwiched between two plate-shaped chemical fibers 4. Harmful gas remover 5 is an NO 2 remover obtained by kneading and molding alkali, cement material, and powdered activated carbon, and simultaneously adding one or more selected from platinum, ruthenium, rhodium, and palladium to the kneading molding of alkali, cement material, and powdered activated carbon. Alternatively, a catalyst supported solely on palladium is used. In particular, it effectively removes NO 2 from kneaded molded products using potassium carbonate and 9-calcium hydroxide as the alkali and calcined gypsum (calcium sulfate) as the cement material. In addition, as a catalyst, platinum and palladium are simultaneously supported on a carrier made by kneading and molding potassium carbonate, alumina cement, and powdered activated carbon.
Removes CO very well. Polypropylene nonwoven fabric has low hygroscopicity, so it serves to retain moisture well on the surface of the NO 2 remover or CO oxidation catalyst. This NO 2 scavenger and CO oxidation catalyst works well when there is a lot of moisture.
The low moisture absorption of this polypropylene nonwoven fabric leads to an improved removal rate.
浄化フイルターとして二枚のポリプロピレンの
間に0.04ｇ／cm2の割合でNO2除去剤、もしくは触
媒を充填した厚み1.7mmの不織布を試作し、その
圧力損失と除去率を測定した。NO2除去剤は炭
酸カリウム／水酸化カルシウム／焼石膏／粉末活
性炭＝３／３／２／２の組成物を水とともに、混
練成型して乾燥後10〜20メツシユに分級した。触
媒は炭酸カリウム／アルミナセメント／粉末活性
炭＝１／６／３の組成物を水とともに混練成型し
て乾燥後10〜20メツシユに分級した担体に各
0.3wt％の白金・パラジウムを同時に担持させ水
素化ホウ素ナトリウムで還元したものである。 As a purification filter, a 1.7 mm thick nonwoven fabric filled with NO 2 removing agent or catalyst at a rate of 0.04 g/cm 2 between two sheets of polypropylene was fabricated, and its pressure loss and removal rate were measured. The NO 2 remover was prepared by kneading and molding a composition of potassium carbonate/calcium hydroxide/calcined gypsum/powdered activated carbon=3/3/2/2 with water, drying, and classifying into 10 to 20 meshes. The catalyst was prepared by kneading and molding a composition of potassium carbonate/alumina cement/powdered activated carbon = 1/6/3 with water, and after drying, each was placed on a carrier classified into 10 to 20 meshes.
0.3wt% of platinum and palladium are simultaneously supported and reduced with sodium borohydride.
第４図は圧力損失特性である。は前記試作フ
イルターの面を空気流路方向に対して垂直に１枚
設置した場合（層高1.7mm）、は前記試作フイル
ターを第２図の様に空気流路に平行に複数枚配列
しフイルター片の奥行５cm、フイルター間隔1.7
mmの場合である。第５図はNO2除去剤を充填し
たフイルターのNO2除去特性であり、′は，
′はの場合の特性である。第６図は触媒を充
填したフイルターのCO除去特性であり、″は
，″はの場合の特性である。の構成が
の構成より圧力損失が低く、除去率が高いのは
の構成はフイルター間隔1.7mm、空気流路方向に
対して層高５cmとと比べてすきまがたくさんあ
り、層高が厚いからである。NO2除去剤はNO2
と下記の様に反応してNO2を吸収し空気中より
除去する。 Figure 4 shows the pressure loss characteristics. In the case where one of the above prototype filters is installed with the surface perpendicular to the air flow path direction (layer height 1.7 mm), in the case where a plurality of the above prototype filters are arranged parallel to the air flow path as shown in Figure 2, the filter Piece depth 5cm, filter spacing 1.7
This is the case of mm. Figure 5 shows the NO 2 removal characteristics of the filter filled with NO 2 removal agent, and ′ is
′ is the property in the case of . Figure 6 shows the CO removal characteristics of a filter filled with a catalyst, and ``'' and '' are the characteristics in the case of . The reason why the pressure drop and removal rate are higher in the configuration is that the filter spacing is 1.7 mm and the layer height is 5 cm in the direction of the air flow path. be. NO 2 remover is NO 2
It reacts with NO 2 as shown below, absorbs NO 2 and removes it from the air.
NO2＋K2CO3→KNO3＋KNO2＋CO2
4NO2＋2Ca（OH）2→Ca（NO3）2
＋Ca（NO2）2＋2H2O
触媒はCOをCO2に酸化して空気中より除去す
る。 NO 2 +K 2 CO 3 →KNO 3 +KNO 2 +CO 2 4NO 2 +2Ca(OH) 2 →Ca(NO 3 ) 2 +Ca(NO 2 ) 2 +2H 2 O The catalyst oxidizes CO to CO 2 and removes it from the air. do.
フイルター面を送風機の静圧特性に応じて空気
流路方向に対して任意に変えられ、またフイルタ
ーの間隔を広くし空気流路方向に対する層高を大
きくする事により圧力損失が低くNO2・CO除去
率の高いフイルター構成となり、静圧の小さい送
風機を有する機器、例えばエアコン・温風機等の
空調機器に送風機の形状を変える事なくそのまま
適用でき、空気清浄の機能をもたすことが、ま
た、圧力損失と除去率、吹き出し方向が自由に調
整できる。 The filter surface can be changed arbitrarily in the direction of the air flow path according to the static pressure characteristics of the blower, and by widening the spacing between the filters and increasing the layer height in the direction of the air flow path, pressure loss is low and NO 2 / CO It has a filter configuration with a high removal rate, and can be applied to equipment with a blower with low static pressure, such as air conditioners and hot air blowers, without changing the shape of the blower, and has an air purifying function. , pressure loss, removal rate, and blowing direction can be adjusted freely.
第１図は本発明の一実例における有害ガス除去
フイルタを空気吹出し口（吸い込み口）へ応用し
た斜視図、第２図は第１図の断面図、第３図は同
フイルタ片の断面図、第４図は同フイルタの圧力
損失特性図、第５図は同フイルタのNO2除去特
性図、第６図は同フイルタのCO除去特性図であ
る。
１……空気吹出し口、２……有害ガス除去フイ
ルタ片。
FIG. 1 is a perspective view of a harmful gas removal filter according to an example of the present invention applied to an air outlet (intake), FIG. 2 is a sectional view of FIG. 1, and FIG. 3 is a sectional view of the same filter piece. FIG. 4 is a pressure loss characteristic diagram of the same filter, FIG. 5 is a NO 2 removal characteristic diagram of the same filter, and FIG. 6 is a CO removal characteristic diagram of the same filter. 1...Air outlet, 2...Harmful gas removal filter piece.
Claims (1)
もしくは(2)の粒状有害ガス除去剤をはさみこんだ
板状ポリプロピレン製不織布を空気流路方向が任
意に変えられるように複数枚隙間を設けて配置
し、前記隙間を空気が流れる構成とした有害ガス
除去フイルタ。 (1) 炭酸カリウム：水酸化カルシウム：硫酸カル
シウム：粉末活性炭＝３：３：２：２の混練成
型物。 (2) 炭酸カリウム：アルミナセメント：粉末活性
炭＝１：６：３の混練成型物に白金とパラジウ
ムを同時に担持した触媒。[Claims] 1. The following (1) is provided in the air flow path of a device having a blower.
Alternatively, a plurality of plate-shaped polypropylene nonwoven fabrics sandwiching the granular harmful gas remover in (2) are arranged with gaps so that the air flow direction can be changed arbitrarily, and the air flows through the gaps. Gas removal filter. (1) Kneaded and molded product containing potassium carbonate: calcium hydroxide: calcium sulfate: powdered activated carbon = 3:3:2:2. (2) A catalyst in which platinum and palladium are simultaneously supported on a kneaded molded product of potassium carbonate: alumina cement: powdered activated carbon = 1:6:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6366879A JPS55155733A (en) | 1979-05-23 | 1979-05-23 | Harmful gas removing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6366879A JPS55155733A (en) | 1979-05-23 | 1979-05-23 | Harmful gas removing filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55155733A JPS55155733A (en) | 1980-12-04 |
| JPS631091B2 true JPS631091B2 (en) | 1988-01-11 |
Family
ID=13235949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6366879A Granted JPS55155733A (en) | 1979-05-23 | 1979-05-23 | Harmful gas removing filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55155733A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0318275U (en) * | 1989-03-14 | 1991-02-22 |
-
1979
- 1979-05-23 JP JP6366879A patent/JPS55155733A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0318275U (en) * | 1989-03-14 | 1991-02-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55155733A (en) | 1980-12-04 |
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