JP2016140788A - Water purification cartridge and water purifier - Google Patents

Water purification cartridge and water purifier Download PDF

Info

Publication number
JP2016140788A
JP2016140788A JP2015016638A JP2015016638A JP2016140788A JP 2016140788 A JP2016140788 A JP 2016140788A JP 2015016638 A JP2015016638 A JP 2015016638A JP 2015016638 A JP2015016638 A JP 2015016638A JP 2016140788 A JP2016140788 A JP 2016140788A
Authority
JP
Japan
Prior art keywords
activated carbon
molded body
carbon molded
water purification
purification cartridge
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.)
Granted
Application number
JP2015016638A
Other languages
Japanese (ja)
Other versions
JP6147283B2 (en
Inventor
石川　隆久
Takahisa Ishikawa
隆久 石川
中島　泰仁
Yasuhito Nakajima
泰仁 中島
山本　剛之
Takayuki Yamamoto
剛之 山本
佐藤　一博
Kazuhiro Sato
一博 佐藤
外山　公也
Kimiya Toyama
公也 外山
肇 太田
Hajime Ota
肇 太田
尚也 田村
Naoya Tamura
尚也 田村
伊藤　直之
Naoyuki Ito
直之 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lixil Corp
Original Assignee
Lixil Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lixil Corp filed Critical Lixil Corp
Priority to JP2015016638A priority Critical patent/JP6147283B2/en
Priority to PCT/JP2016/051528 priority patent/WO2016121590A1/en
Priority to TW105102283A priority patent/TW201634101A/en
Publication of JP2016140788A publication Critical patent/JP2016140788A/en
Application granted granted Critical
Publication of JP6147283B2 publication Critical patent/JP6147283B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Inorganic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Filtering Materials (AREA)
  • Filtration Of Liquid (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a water purification cartridge that hardly causes clogging and has high durability in spite of having a nonwoven fabric arranged on the surface of an activated carbon molded body.SOLUTION: A water purification cartridge comprises a cylindrical activated carbon molded body and a nonwoven fabric arranged on an outer peripheral surface of the activated carbon molded body. The nonwoven fabric has a pressure drop of 10 mmHO or less when the ventilation cross sectional area is 15 cmand the ventilation flow rate is 10 L/min, the pore mode diameter of the activated carbon molded body is 15-30 μm, and the surface roughness of the outer peripheral surface of the activated carbon molded body in terms of the arithmetic average height Pa defined by JIS B0601 is 15-100 μm.SELECTED DRAWING: Figure 1

Description

本発明は、浄水カートリッジ及びその浄水カートリッジを備える浄水器に関する。   The present invention relates to a water purification cartridge and a water purifier including the water purification cartridge.

従来、浄水器で浄化された水道水が、飲み水や料理用の水として用いられている。一般的に、浄水器には、浄水カートリッジが組み込まれている。浄水器は、浄水カートリッジを構成する活性炭成形体によって水道水をろ過することで、水道水中の異臭の原因となる塩素等や、クロロホルムを含むトリハロメタン等の有機物を除去する。このような塩素や有機物を除去するタイプの活性炭成形体では、目詰まりを起こさないようにするためには、活性炭成形体を構成する活性炭同士が形成する間隙（細孔）を大きく設計すればよい。一方、水道水中の粒子状物質（以下、単に粒子と言う場合がある）は、活性炭成形体の細孔を大きくすると、細孔を通過しやすくなるので除去するのが難しくなる。そこで、活性炭成形体の細孔の大きさを制御することで、前述の塩素や有機物だけでなく粒子を除去する性能を浄水カートリッジに付与する技術が見出されている。   Conventionally, tap water purified by a water purifier has been used as drinking water or cooking water. Generally, a water purifier is incorporated in a water purifier. The water purifier removes organic substances such as chlorine and trihalomethane containing chloroform, which cause an unpleasant odor in the tap water, by filtering the tap water with the activated carbon molded body constituting the water purification cartridge. In such an activated carbon molded body that removes chlorine and organic matter, in order not to cause clogging, a large gap (pore) formed by the activated carbons constituting the activated carbon molded body may be designed. . On the other hand, particulate matter in tap water (hereinafter sometimes simply referred to as “particles”) is difficult to remove because the pores of the activated carbon molded body are likely to pass through the pores. Therefore, a technique has been found that gives the water purification cartridge the ability to remove particles as well as the aforementioned chlorine and organic substances by controlling the size of the pores of the activated carbon molded body.

ところで、このような浄水カートリッジにおいて、活性炭成形体の表面を保護するために、活性炭成形体の表面上に不織布を配置する場合がある（例えば、特許文献１参照）。通常、不織布には、水が通過可能な細孔が形成されている。   By the way, in such a water purification cartridge, in order to protect the surface of an activated carbon molded object, a nonwoven fabric may be arrange | positioned on the surface of an activated carbon molded object (for example, refer patent document 1). Usually, pores through which water can pass are formed in the nonwoven fabric.

特開２０００−３４２９１８号公報JP 2000-342918 A

図６は、従来の浄水カートリッジ１Ｐの断面を模式的に示す図である。図６に示すように、従来の浄水カートリッジ１Ｐは、活性炭成形体３Ｐと、活性炭成形体３Ｐの表面上に配置された不織布４Ｐと、を備える。不織布４Ｐには、水が通過可能な細孔４０Ｐが形成され、活性炭成形体３Ｐの表面は平滑化されて不織布４Ｐと密着している。   FIG. 6 is a diagram schematically showing a cross section of a conventional water purification cartridge 1P. As shown in FIG. 6, the conventional water purification cartridge 1P includes an activated carbon molded body 3P and a nonwoven fabric 4P disposed on the surface of the activated carbon molded body 3P. The nonwoven fabric 4P is formed with pores 40P through which water can pass, and the surface of the activated carbon molded body 3P is smoothed and is in close contact with the nonwoven fabric 4P.

水道水は、細孔４０Ｐを通過した後に、活性炭成形体３Ｐによって濾過される。このとき、活性炭成形体３Ｐの表面は隙間無く不織布４Ｐと密着しているため、水道水中の粒子１０Ｐは水の流れ方向にしか移動できず、活性炭成形体３Ｐのろ過面積は狭くなる。その結果、粒子１０Ｐが細孔４０Ｐの周辺に堆積してしまうことで、図６に示すように目詰まりを引き起こす。このように、活性炭成形体の表面上に配置された不織布を備える浄水カートリッジは、目詰まりを生じやすく、耐久性が低い傾向にある。   The tap water is filtered by the activated carbon molded body 3P after passing through the pores 40P. At this time, since the surface of the activated carbon molded body 3P is in close contact with the nonwoven fabric 4P without any gap, the particles 10P in the tap water can move only in the water flow direction, and the filtration area of the activated carbon molded body 3P becomes narrow. As a result, the particles 10P accumulate around the pores 40P, thereby causing clogging as shown in FIG. Thus, the water purification cartridge provided with the nonwoven fabric disposed on the surface of the activated carbon molded body tends to be clogged and tends to have low durability.

本発明は、上記課題に鑑みてなされたものであり、活性炭成形体の表面上に配置された不織布を備えるにも関わらず、目詰まりが生じ難く耐久性の高い浄水カートリッジを提供することを目的とする。   The present invention has been made in view of the above problems, and an object of the present invention is to provide a highly durable water purification cartridge that is hardly clogged despite having a nonwoven fabric arranged on the surface of an activated carbon molded body. And

本発明は、円筒状の活性炭成形体と、前記活性炭成形体の外周面上に配置される不織布と、を備え、前記不織布は、通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失が１０ｍｍＨ２Ｏ以下であり、前記活性炭成形体の細孔モード径は、１５〜３０μｍであり、前記活性炭成形体の外周面の表面粗さは、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａで１５〜１００μｍである浄水カートリッジに関する。 The present invention comprises a cylindrical activated carbon molded body and a nonwoven fabric disposed on the outer peripheral surface of the activated carbon molded body, and the nonwoven fabric has a ventilation cross-sectional area of 15 cm 2 and a ventilation flow rate of 10 L / min. The pressure loss is 10 mmH 2 O or less, the pore mode diameter of the activated carbon molded body is 15 to 30 μm, and the surface roughness of the outer peripheral surface of the activated carbon molded body is the arithmetic average height defined by JIS B0601 It is related with the water purification cartridge which is 15-100 micrometers in Pa.

また本発明は、前記浄水カートリッジを備える浄水器に関する。   The present invention also relates to a water purifier comprising the water purification cartridge.

本発明によれば、活性炭成形体の表面上に配置された不織布を備えるにも関わらず、目詰まりが生じ難く耐久性の高い浄水カートリッジを提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, although it has the nonwoven fabric arrange | positioned on the surface of the activated carbon molded object, clogging hardly arises and a highly durable water purification cartridge can be provided.

本発明の実施形態に係る浄水カートリッジの正面図である。It is a front view of the water purification cartridge which concerns on embodiment of this invention. 上記実施形態に係る浄水カートリッジの断面図である。It is sectional drawing of the water purification cartridge which concerns on the said embodiment. 上記実施形態に係る活性炭成形体の製造方法における吸引成形工程について示す図である。It is a figure shown about the suction molding process in the manufacturing method of the activated carbon molded body which concerns on the said embodiment. 上記実施形態に係る活性炭成形体の製造方法における表面研磨工程について示す図である。It is a figure shown about the surface grinding | polishing process in the manufacturing method of the activated carbon molded body which concerns on the said embodiment. 上記実施形態に係る浄水カートリッジの断面を模式的に示す図である。It is a figure which shows typically the cross section of the water purification cartridge which concerns on the said embodiment. 従来の浄水カートリッジの断面を模式的に示す図である。It is a figure which shows typically the cross section of the conventional water purification cartridge.

以下、本発明の一実施形態について詳細に説明する。
図１は、本実施形態に係る浄水カートリッジ１の正面図である。図２は、本実施形態に係る浄水カートリッジ１の断面図である。
浄水カートリッジ１は円筒状である。浄水カートリッジ１は、中芯２と、活性炭成形体３と、不織布４と、封止キャップ５，６と、を備える。 Hereinafter, an embodiment of the present invention will be described in detail.
FIG. 1 is a front view of a water purification cartridge 1 according to the present embodiment. FIG. 2 is a cross-sectional view of the water purification cartridge 1 according to the present embodiment.
The water purification cartridge 1 is cylindrical. The water purification cartridge 1 includes a core 2, an activated carbon molded body 3, a nonwoven fabric 4, and sealing caps 5 and 6.

中芯２は、円筒状であり、浄水カートリッジ１の最も内側に配置される。中芯２には、外側から内側に水が通過するのを許容する細孔が形成され、内部に流路２０が形成される。
中芯２としては、任意の材料を使用可能であるが、ユーザーが浄水カートリッジ１を実際に使用する際に変形しないことが求められる。このような要求を満たす中芯２の材料としては、多孔質セラミック、多孔質金属フィルタ、硬質不織布等が挙げられる。 The core 2 is cylindrical and is disposed on the innermost side of the water purification cartridge 1. In the core 2, pores that allow water to pass from the outside to the inside are formed, and a flow path 20 is formed inside.
Although any material can be used as the core 2, it is required that the user does not deform when the water purification cartridge 1 is actually used. Examples of the material for the core 2 that satisfies such requirements include porous ceramics, porous metal filters, and hard nonwoven fabrics.

活性炭成形体３は、円筒状であり、中芯２の外周面上に配置される。
活性炭成形体３は、粒子状活性炭を含む。活性炭成形体３は、更にフィブリル繊維やイオン交換性材料を含んでも良い。活性炭成形体を構成する材料は、粒子状あるいは繊維状のみに限定されるものではなく、粒子状材料と繊維状材料が混在していてもよい。活性炭成形体３には、外側から内側に水が通過するのを許容する細孔が形成される。活性炭成形体３の細孔モード径は、１５〜３０μｍである。活性炭成形体３の細孔モード径が、１５μｍ未満の場合には細孔に粒子が詰まりやすいことから浄水カートリッジ１の耐久性が低下する。一方、活性炭成形体３の細孔モード径が、３０μｍを超える場合には、水道水中の粒子が細孔を通過してしまうことから浄水カートリッジ１の浄化効率が低下する。
ここで、活性炭成形体３に形成される「細孔」とは、活性炭等の材料の粒子間に形成される間隙を指し、活性炭等の材料の粒子内に存在するナノメートルオーダーの細孔ではない。 The activated carbon molded body 3 has a cylindrical shape and is disposed on the outer peripheral surface of the core 2.
The activated carbon molded body 3 includes particulate activated carbon. The activated carbon molded body 3 may further contain a fibril fiber or an ion exchange material. The material which comprises an activated carbon molded object is not limited only to a particulate form or a fibrous form, A particulate material and a fibrous material may be mixed. In the activated carbon molded body 3, pores that allow water to pass from the outside to the inside are formed. The pore mode diameter of the activated carbon molded body 3 is 15 to 30 μm. When the pore mode diameter of the activated carbon molded body 3 is less than 15 μm, the pores are easily clogged with particles, and the durability of the water purification cartridge 1 is lowered. On the other hand, when the pore mode diameter of the activated carbon molded body 3 exceeds 30 μm, the purification efficiency of the water purification cartridge 1 decreases because particles in tap water pass through the pores.
Here, the “pores” formed in the activated carbon molded body 3 refer to gaps formed between particles of the material such as activated carbon, and in the nanometer order pores present in the particles of the material such as activated carbon. Absent.

活性炭成形体３の細孔モード径は、活性炭成形体３の原料となる粒子状活性炭の粒径を適宜変化させることによって調整することが可能である。より具体的には、活性炭成形体３の細孔モード径は、異なる粒径を有する複数種類の粒子状活性炭を、質量比を変更することによって調整できる。具体的には、粒径の小さい粒子状活性炭の比率を大きくした場合には、活性炭成形体３の細孔モード径が小さくなり、粒径の大きい粒子状活性炭の比率を大きくした場合には、活性炭成形体３の細孔モード径は大きくなる。   The pore mode diameter of the activated carbon molded body 3 can be adjusted by appropriately changing the particle diameter of the particulate activated carbon used as the raw material of the activated carbon molded body 3. More specifically, the pore mode diameter of the activated carbon molded body 3 can be adjusted by changing the mass ratio of a plurality of types of particulate activated carbon having different particle diameters. Specifically, when the ratio of the particulate activated carbon having a small particle diameter is increased, the pore mode diameter of the activated carbon molded body 3 is decreased, and when the ratio of the particulate activated carbon having a large particle diameter is increased, The pore mode diameter of the activated carbon molded body 3 is increased.

活性炭成形体の細孔モード径は、水銀圧入法に基づいて細孔分布を測定して求めることができる。具体的には、Ｑｕａｎｔａｃｈｒｏｍｅ社製の「Ｐｏｒｅｍａｓｔｅｒ ３３Ｐ」を用いて、測定圧力８．６ｋＰａ−２００ＭＰａの条件で活性炭成形体の径細孔径分布を測定することで、活性炭成形体の細孔モード径を求めることができる。   The pore mode diameter of the activated carbon molded body can be determined by measuring the pore distribution based on the mercury intrusion method. Specifically, the pore mode diameter of the activated carbon molded body is determined by measuring the pore size distribution of the activated carbon molded body under the condition of a measurement pressure of 8.6 kPa-200 MPa using “Poremaster 33P” manufactured by Quantachrome. Can be sought.

活性炭成形体３の外周面の表面粗さは、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａで１５〜１００μｍである。活性炭成形体３の外周面の算術平均高さＰａが、１５μｍ未満の場合には、粒子が詰まりやすくなることによって浄水カートリッジ１の耐久性が低下する。一方、活性炭成形体３の外周面の算術平均高さＰａが、１００μｍを超える場合には活性炭成形体３の外径のばらつきが大きくなり、浄水カートリッジ１の製造が困難になる。   The surface roughness of the outer peripheral surface of the activated carbon molded body 3 is 15 to 100 μm in arithmetic average height Pa defined by JIS B0601. When the arithmetic average height Pa of the outer peripheral surface of the activated carbon molded body 3 is less than 15 μm, the durability of the water purification cartridge 1 is lowered due to easy clogging of particles. On the other hand, when the arithmetic average height Pa of the outer peripheral surface of the activated carbon molded body 3 exceeds 100 μm, the variation in the outer diameter of the activated carbon molded body 3 becomes large, and the manufacture of the water purification cartridge 1 becomes difficult.

活性炭成形体３の外周面の、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａは、顕微鏡を用いて測定することができる。より具体的には、この算術平均高さＰａは、株式会社キーエンス製のレーザー顕微鏡ＶＫ−９７００を用いて測定できる。測定は、例えば、倍率を２０倍、評価長さを７００μｍ、にそれぞれ設定して行い、必要に応じて位相補償フィルタ（ガウシアンフィルタ）によるフィルタ処理を行う。   The arithmetic average height Pa defined by JIS B0601 on the outer peripheral surface of the activated carbon molded body 3 can be measured using a microscope. More specifically, the arithmetic average height Pa can be measured using a laser microscope VK-9700 manufactured by Keyence Corporation. The measurement is performed, for example, by setting the magnification to 20 times and the evaluation length to 700 μm, and performing filter processing with a phase compensation filter (Gaussian filter) as necessary.

不織布４は、活性炭成形体３の外周面上に配置される。不織布４は、ＪＩＳ Ｌ０２２２で規定された不織布であり、原料となる繊維の種類は特に限定されない。   The nonwoven fabric 4 is disposed on the outer peripheral surface of the activated carbon molded body 3. The nonwoven fabric 4 is a nonwoven fabric prescribed | regulated by JISL0222, and the kind of fiber used as a raw material is not specifically limited.

不織布４の、通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失は、１０ｍｍＨ２Ｏ以下である。この圧力損失の大きさは、不織布４の通気抵抗の指標である。つまり、不織布４は、圧力損失が大きい場合は通気抵抗も大きく、圧力損失が小さい場合には通気抵抗も小さい。不織布４の、は、通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失が、１０ｍｍＨ２Ｏを超えると、不織布４に粒子が詰まりやすくなることから浄水カートリッジ１の耐久性が低下する。 The pressure loss of the nonwoven fabric 4 when the ventilation cross-sectional area is 15 cm 2 and the ventilation flow rate is 10 L / min is 10 mmH 2 O or less. The magnitude of this pressure loss is an index of the ventilation resistance of the nonwoven fabric 4. That is, the nonwoven fabric 4 has a large ventilation resistance when the pressure loss is large, and also has a small ventilation resistance when the pressure loss is small. The nonwoven fabric 4 has a durability of the water purification cartridge 1 because if the pressure loss when the ventilation cross-sectional area is 15 cm 2 and the ventilation flow rate is 10 L / min exceeds 10 mmH 2 O, the nonwoven fabric 4 is easily clogged with particles. descend.

不織布４の、通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失は、不織布４を不織布保持具（例えば、アドバンテック格式会社製のフィルタホルダＰＰ−４７）により保持して、通気断面積及び通気流量がそれぞれ１５ｃｍ２及び１０Ｌ／分の条件における不織布４の前後の圧力差をマノメータによって測定することで求めることができる。 The pressure loss when the cross-sectional area of the non-woven fabric 4 is 15 cm 2 and the air flow rate is 10 L / min is obtained by holding the non-woven fabric 4 with a non-woven fabric holder (for example, filter holder PP-47 manufactured by Advantech company). It can be determined by measuring the pressure difference before and after the non-woven fabric 4 with a cross-sectional area and air flow rate of 15 cm 2 and 10 L / min, respectively, using a manometer.

封止キャップ５は、活性炭成形体３の一端側を覆うことで、流路２０の一方側を塞ぐ。
封止キャップ６は、活性炭成形体３の他端側を覆う。封止キャップ６には、流路２０を流通した水が排出される排出口６０が形成される。 The sealing cap 5 closes one side of the flow path 20 by covering one end side of the activated carbon molded body 3.
The sealing cap 6 covers the other end side of the activated carbon molded body 3. The sealing cap 6 is formed with a discharge port 60 through which water flowing through the flow path 20 is discharged.

続いて、浄水カートリッジ１の製造方法について説明する。
本実施形態に係る浄水カートリッジ１の製造方法は、混合工程と、吸引成形工程と、乾燥工程と、表面研磨工程と、不織布巻き付け工程と、封止工程と、を備える。 Then, the manufacturing method of the water purification cartridge 1 is demonstrated.
The manufacturing method of the water purification cartridge 1 according to this embodiment includes a mixing step, a suction molding step, a drying step, a surface polishing step, a nonwoven fabric winding step, and a sealing step.

混合工程においては、活性炭成形体３の原料となる粒子状活性炭及び水を（必要に応じて、フィブリル繊維やイオン交換性材料とともに）混合することで、活性炭スラリーを得る。
吸引成形工程においては、活性炭成形体３を成形する。図３は、本実施形態に係る浄水カートリッジ１の製造方法における吸引成形工程ついて示す図である。 In the mixing step, activated carbon slurry is obtained by mixing particulate activated carbon and water, which are raw materials of the activated carbon molded body 3, (if necessary, together with fibril fibers and ion exchange materials).
In the suction molding process, the activated carbon molded body 3 is molded. FIG. 3 is a diagram showing a suction molding process in the method for manufacturing the water purification cartridge 1 according to the present embodiment.

吸引成形工程においては、まず中芯２の流路２０の一端側を、ホース７１を介して吸引ポンプ７２に接続する。この際、中芯２の流路２０の他端側は封止しておく。吸引ポンプ７２に接続された中芯２を容器７３に溜めた活性炭スラリー７４中に浸漬し、真空ポンプ等からなる吸引ポンプ７２を稼働させる。活性炭スラリー７４のうち水が中芯２を透過し、粒子状活性炭（及びフィブリル繊維）の混合物が中芯表面に残留して徐々に堆積することで活性炭成形体３（図２参照）が形成される。なお、吸引ポンプ７２に吸引された活性炭スラリー７４のうち水は、排水路７５を通じて排出される。吸引ポンプ７２が稼働されることで、規定の厚さまで活性炭成形体３が形成された後に、中芯２を活性炭スラリー７４から引き上げる。   In the suction molding step, first, one end side of the flow path 20 of the core 2 is connected to the suction pump 72 via the hose 71. At this time, the other end side of the flow path 20 of the core 2 is sealed. The core 2 connected to the suction pump 72 is immersed in the activated carbon slurry 74 stored in the container 73, and the suction pump 72 including a vacuum pump is operated. Of the activated carbon slurry 74, water permeates through the core 2 and a mixture of particulate activated carbon (and fibril fibers) remains on the surface of the core and gradually accumulates to form an activated carbon molded body 3 (see FIG. 2). The In the activated carbon slurry 74 sucked by the suction pump 72, water is discharged through the drainage channel 75. After the activated carbon molded body 3 is formed to a specified thickness by operating the suction pump 72, the core 2 is pulled up from the activated carbon slurry 74.

乾燥工程においては、吸引成形工程で成形した活性炭成形体３を乾燥させる。乾燥工程において活性炭成形体３を乾燥させることで、中芯２と活性炭成形体３とを一体化させることができる。   In the drying process, the activated carbon molded body 3 molded in the suction molding process is dried. By drying the activated carbon molded body 3 in the drying step, the core 2 and the activated carbon molded body 3 can be integrated.

表面研磨工程においては、活性炭成形体３の外周面を研磨する。具体的には、活性炭成形体３の外周面の表面粗さが、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａで１５〜１００μｍとなるように活性炭成形体３の外周面を研磨する。なお、従来は、活性炭成形体に不織布を被覆しやすくするために、また、端部キャップを嵌めやすくするために、活性炭成形体の表面を過度に平滑化していた。その結果、従来の浄水カートリッジは目詰まりを生じやすい傾向にあった。それに対して、本実施形態では活性炭成形体３の外周面の表面を適度に粗くする。   In the surface polishing step, the outer peripheral surface of the activated carbon molded body 3 is polished. Specifically, the outer peripheral surface of the activated carbon molded body 3 is polished so that the surface roughness of the outer peripheral surface of the activated carbon molded body 3 is 15 to 100 μm at the arithmetic average height Pa defined by JIS B0601. Conventionally, the surface of the activated carbon molded body has been excessively smoothed so that the activated carbon molded body can be easily covered with the nonwoven fabric and the end cap can be easily fitted. As a result, conventional water purification cartridges tend to be clogged. On the other hand, in this embodiment, the surface of the outer peripheral surface of the activated carbon molded body 3 is appropriately roughened.

表面研磨工程における、活性炭成形体３の外周面を研磨する方法は特に限定されないが、例えば、図４に示した方法を適用することができる。
図４に示した方法では、活性炭成形体３をホルダ８１で挟んで中芯２の流路２０を中心にして回転させながら、円柱状の砥石８２を活性炭成形体３の外周面に接触させつつ回転させる。更に、砥石８２を回転させつつ、活性炭成形体３の軸方向に移動させる。これにより、活性炭成形体３の外周面を万遍なく均一に研磨できる。砥石８２の粒子の大きさや活性炭成形体３及び砥石８２の回転数を適宜設定することによって、活性炭成形体３の外周面の、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａを調整できる。 Although the method of grind | polishing the outer peripheral surface of the activated carbon molded body 3 in a surface grinding | polishing process is not specifically limited, For example, the method shown in FIG. 4 is applicable.
In the method shown in FIG. 4, while the activated carbon molded body 3 is sandwiched between holders 81 and rotated around the flow path 20 of the core 2, the cylindrical grindstone 82 is brought into contact with the outer peripheral surface of the activated carbon molded body 3. Rotate. Furthermore, while rotating the grindstone 82, the activated carbon molded body 3 is moved in the axial direction. Thereby, the outer peripheral surface of the activated carbon molded body 3 can be uniformly polished. By appropriately setting the particle size of the grindstone 82 and the rotational speed of the activated carbon molded body 3 and the grindstone 82, the arithmetic average height Pa defined by JIS B0601 of the outer peripheral surface of the activated carbon molded body 3 can be adjusted.

不織布巻き付け工程においては、表面研磨工程において研磨した活性炭成形体３の外周面に不織布４を巻き付ける。不織布の巻き付けは、例えば、外周面を研磨した後の活性炭成形体の外周よりも大きな長さを有する不織布シートを活性炭成形体外周に巻き付けて、不織布シートの両端の重なり部分を接合することで行われる。更に、不織布の材質を熱で溶融する素材にすれば、アイロン等の加熱手段や超音波によって、不織布シートの両端の重なり部分を熱溶着することができ、浄水カートリッジ１の製造が簡便になる。この際、不織布の熱溶着部分の面積を、活性炭成形体外周面の面積の１０分の１以下にすれば、浄水カートリッジろ過性能への影響はほとんどない。
封止工程においては、不織布４を巻き付けた活性炭成形体３の一端側に封止キャップ５を、他端側に封止キャップ６を、それぞれ装着する。 In the nonwoven fabric winding step, the nonwoven fabric 4 is wound around the outer peripheral surface of the activated carbon molded body 3 polished in the surface polishing step. The nonwoven fabric is wound by, for example, winding a nonwoven fabric sheet having a length larger than the outer periphery of the activated carbon molded body after polishing the outer peripheral surface around the outer periphery of the activated carbon molded body, and joining overlapping portions at both ends of the nonwoven fabric sheet. Is called. Furthermore, if the material of the nonwoven fabric is made of a material that melts by heat, the overlapping portions at both ends of the nonwoven fabric sheet can be thermally welded by a heating means such as an iron or ultrasonic waves, and the manufacture of the water purification cartridge 1 becomes simple. Under the present circumstances, if the area of the heat welding part of a nonwoven fabric is made into 1/10 or less of the area of an activated carbon molded object outer peripheral surface, there will be almost no influence on the water purification cartridge filtration performance.
In the sealing step, a sealing cap 5 is attached to one end side of the activated carbon molded body 3 around which the nonwoven fabric 4 is wound, and a sealing cap 6 is attached to the other end side.

このように製造される浄水カートリッジ１では、不織布４を通して円筒状の活性炭成形体３の外周面側から、流路２０に水を通過させることによって、水を浄化することができる。そして浄化された水は、排出口６０から排出される。   In the water purification cartridge 1 manufactured in this way, water can be purified by allowing water to pass through the flow path 20 from the outer peripheral surface side of the cylindrical activated carbon molded body 3 through the nonwoven fabric 4. The purified water is discharged from the discharge port 60.

続いて、本実施形態に係る浄水カートリッジ１の効果について説明する。
上記実施形態では、活性炭成形体３の外周面上に不織布４の配置される浄水カートリッジ１において、活性炭成形体３の外周面の表面粗さを、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａで１５〜１００μｍとした。
ここで、図５は、浄水カートリッジ１の断面を模式的に示す図である。図５に示すように、不織布４には、水が通過可能な細孔４０が形成される。活性炭成形体３の表面は、従来と比べて平滑化されておらず、適度な表面粗さ（算術平均高さＰａが１５〜１００μｍ）に調整されていることから、活性炭成形体３と不織布４とは、完全には密着せず、若干の隙間を形成する。従って、活性炭成形体３と不織布４との間に隙間が形成されることから、水道水中の粒子１０は、水の流れ方向に移動するだけでなく、細孔４０を通過した後に不織布４の面方向にも移動して拡散される。このように、浄水カートリッジ１では、活性炭成形体３のろ過面積を広くできることから、粒子１０が細孔４０の周辺に堆積せずに十分に拡散されるので、目詰まりの発生が抑制される。 Then, the effect of the water purification cartridge 1 which concerns on this embodiment is demonstrated.
In the said embodiment, in the water purification cartridge 1 by which the nonwoven fabric 4 is arrange | positioned on the outer peripheral surface of the activated carbon molded object 3, the surface roughness of the outer peripheral surface of the activated carbon molded object 3 is arithmetic mean height Pa prescribed | regulated by JISB0601. The thickness was 15 to 100 μm.
Here, FIG. 5 is a diagram schematically showing a cross section of the water purification cartridge 1. As shown in FIG. 5, pores 40 through which water can pass are formed in the nonwoven fabric 4. The surface of the activated carbon molded body 3 is not smoothed as compared with the conventional one, and is adjusted to an appropriate surface roughness (arithmetic average height Pa is 15 to 100 μm). Does not adhere completely, but forms a slight gap. Accordingly, since a gap is formed between the activated carbon molded body 3 and the nonwoven fabric 4, the particles 10 in tap water not only move in the direction of water flow, but also after passing through the pores 40, the surface of the nonwoven fabric 4. It also moves in the direction and diffuses. Thus, in the water purification cartridge 1, since the filtration area of the activated carbon molded body 3 can be widened, the particles 10 are sufficiently diffused without being deposited around the pores 40, so that the occurrence of clogging is suppressed.

なお、本発明は上記実施形態に限定されるものではなく、本発明の目的を達成できる範囲での変形、改良等は本発明に含まれる。
例えば、活性炭成形体の細孔モード径を成形体外周面側から内側になるに従って変化させてもよい。また、活性炭成形体を、細孔モード径の異なる２種以上の円筒成形体を組み合わせて構成してもよい。２種以上の円筒成形体を組み合わせる場合には、一の活性炭成形体の内径を、その内側に配置される活性炭成形体の外形よりも大きくし、これらを同心円となるように嵌め合わせて多重円筒とすればよい。 It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.
For example, the pore mode diameter of the activated carbon molded body may be changed from the outer peripheral surface side to the inner side of the molded body. Moreover, you may comprise an activated carbon molded object combining the 2 or more types of cylindrical molded object from which pore mode diameter differs. When combining two or more types of cylindrical molded bodies, the inner diameter of one activated carbon molded body is made larger than the outer shape of the activated carbon molded body arranged on the inner side, and these are fitted into concentric circles so that multiple cylinders are fitted. And it is sufficient.

本実施形態に係る浄水カートリッジを実施例により具体的に説明するが、本発明はこれに限定されるものではない。なお、特に断りがない限り、単位は全て質量基準である。   Although the water purification cartridge which concerns on this embodiment is demonstrated concretely by an Example, this invention is not limited to this. Unless otherwise specified, all units are based on mass.

［実施例１］
浄水カートリッジは、上記実施形態において説明した方法により製造した（図３及び図４参照）。
まず、水に、粒子径の異なる２種類の粒子状活性炭（クラレケミカル株式会社製の「ＰＧＷ１００ＭＤ」及び「ＰＧＷ２０ＭＤ」）、非晶質チタノシリケート（ＢＡＳＦ社製の「ＡＴＳ」）及びフィブリル繊維（日本エクスシラン工業株式会社製の「Ｂｉ−ＰＵＬ」）を所定の質量比で混合することで、活性炭スラリー７４を得た。活性炭スラリー７４は、容器７３に投入した。この活性炭スラリー７４中に、吸引ポンプ７２にホース７１を介して接続された、中芯２を投入し、吸引ポンプ７２を起動して活性炭スラリー７４の吸引を開始した。その結果、湿潤活性炭成形体を得た。そして、得られた湿潤活性炭成形体を１２０℃に設定した乾燥機に入れて十分乾燥させ、円筒形状の活性炭成形体を得た。なお、中芯２は、ＳｉＯ２を主成分とした多孔質セラミックによって作製されたものである。 [Example 1]
The water purification cartridge was manufactured by the method described in the above embodiment (see FIGS. 3 and 4).
First, in water, two types of particulate activated carbons (“PGW100MD” and “PGW20MD” manufactured by Kuraray Chemical Co., Ltd.), amorphous titanosilicate (“ATS” manufactured by BASF) and fibril fibers (made by Kuraray Chemical Co., Ltd.) Activated carbon slurry 74 was obtained by mixing “Bi-PUL” manufactured by Nippon Exsilane Industry Co., Ltd. at a predetermined mass ratio. The activated carbon slurry 74 was put into the container 73. Into this activated carbon slurry 74, the core 2 connected to the suction pump 72 via the hose 71 was introduced, and the suction pump 72 was activated to start suction of the activated carbon slurry 74. As a result, a wet activated carbon molded body was obtained. And the obtained wet activated carbon molded object was put into the dryer set to 120 degreeC, and was fully dried, and the cylindrical activated carbon molded object was obtained. The core 2 is made of a porous ceramic whose main component is SiO 2 .

得られた活性炭成形体の細孔モード径は、１５μｍであった。活性炭成形体の細孔モード径は、Ｑｕａｎｔａｃｈｒｏｍｅ社製の「Ｐｏｒｅｍａｓｔｅｒ ３３Ｐ」を用い、水銀圧入法に基づいて径細孔径分布を測定して求めた（測定圧力：８．６ｋＰａ−２００ＭＰａ）。   The pore diameter of the obtained activated carbon molding was 15 μm. The pore mode diameter of the activated carbon molded body was determined by measuring the pore diameter distribution based on the mercury intrusion method using “Poremaster 33P” manufactured by Quantachrome (measurement pressure: 8.6 kPa-200 MPa).

乾燥後の活性炭成形体は砥石を用いて、外周面の表面粗さをＪＩＳ Ｂ０６０１で規定される算術平均高さＰａで１５μｍとなるよう、表面を研磨した（図４参照）。算術平均高さＰａは、株式会社キーエンス製のレーザー顕微鏡ＶＫ−９７００を用いて、倍率２０倍、評価長さ７００μｍの条件にて測定した。また、算術平均高さＰａを求める際には、必要に応じて位相補償フィルタ（ガウシアンフィルタ）によるフィルタ処理を行った。   The activated carbon molded body after drying was ground using a grindstone so that the surface roughness of the outer peripheral surface was 15 μm at the arithmetic average height Pa defined by JIS B0601 (see FIG. 4). The arithmetic average height Pa was measured using a laser microscope VK-9700 manufactured by Keyence Corporation under the conditions of a magnification of 20 times and an evaluation length of 700 μm. Moreover, when calculating | requiring arithmetic mean height Pa, the filter process by a phase compensation filter (Gaussian filter) was performed as needed.

表面を研磨した後の、活性炭成形体の大きさは、外径が直径２５±０．５ｍｍ、内径が直径８ｍｍ、長さが９０ｍｍとなるようにした。   After polishing the surface, the size of the activated carbon molded body was such that the outer diameter was 25 ± 0.5 mm, the inner diameter was 8 mm, and the length was 90 mm.

続いて、活性炭成形体の外周面に透水性を有する不織布を巻き付けた。なお、この不織布の、通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失（通気抵抗）は１０ｍｍＨ２Ｏである。この圧力損失は、アドバンテック株式会社製のフィルタホルダＰＰ−４７を用いて測定した。
更に、円筒形状の活性炭成形体の一端側及び他端側に封止キャップを装着させ、他端側にもう中心部分が開口した円形状のキャップを装着させることで、浄水カートリッジを得た。 Then, the nonwoven fabric which has water permeability was wound around the outer peripheral surface of the activated carbon molding. The non-woven fabric has a pressure loss (venting resistance) of 10 mmH 2 O when the cross-sectional area of the air flow is 15 cm 2 and the air flow rate is 10 L / min. This pressure loss was measured using a filter holder PP-47 manufactured by Advantech.
Furthermore, the water purification cartridge was obtained by attaching the sealing cap to the one end side and the other end side of the cylindrical activated carbon molded body, and attaching the circular cap having the other central portion opened to the other end side.

［実施例２〜１１及び比較例１〜５］
活性炭成形体を作製する際に、活性炭スラリーの成分である粒子状活性炭等の混合比を調整し、活性炭成形体の細孔モード径が表１に示された値となるようにした。また、活性炭成形体の外周面の表面粗さ（ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａ）及び不織布の通気抵抗（通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失）も、表１に示した値となるように調整した。それ以外の工程、条件等については、実施例１と同様の方法にて各浄水カートリッジを得た。
なお、比較例２については、活性炭成形体の外径のばらつきが大きく、不織布をうまく巻き付けることができなかった。 [Examples 2 to 11 and Comparative Examples 1 to 5]
When producing the activated carbon molded body, the mixing ratio of particulate activated carbon or the like which is a component of the activated carbon slurry was adjusted so that the pore mode diameter of the activated carbon molded body became the value shown in Table 1. Further, the surface roughness of the outer peripheral surface of the activated carbon molded body (arithmetic average height Pa defined in JIS B0601) and the ventilation resistance of the nonwoven fabric (pressure loss when the ventilation sectional area is 15 cm 2 and the ventilation flow rate is 10 L / min) Also, the values shown in Table 1 were adjusted. About other processes, conditions, etc., each water purification cartridge was obtained by the same method as Example 1.
In addition, about the comparative example 2, the dispersion | variation in the outer diameter of an activated carbon molded object was large, and the nonwoven fabric could not be wound well.

得られた実施例及び比較例の各浄水カートリッジは、以下の評価に供した。   The obtained water purification cartridges of Examples and Comparative Examples were subjected to the following evaluation.

＜目詰まり寿命＞
実施例及び比較例の各浄水カートリッジをＬＩＸＩＬ株式会社製の浄水器内蔵水栓「ＪＦ−ＡＢ４６１ＳＹＸ（ＪＷ）」に装着し、ＪＩＳ Ｓ３２０１に基いて目詰まり寿命を評価した。具体的には、ＪＩＳ Ｓ３２０１で規定されたカオリンを濁り成分（粒子状物質）とした濁度２度の水を、２．５Ｌ／分の初期ろ過流量で各浄水カートリッジによって濾過し、濾過流量が初期ろ過流量の１／２に低下するまでの総ろ過水量を目詰まり寿命の指標とした。評価結果を表１に示す。なお、総ろ過水量が１２００Ｌ以上の浄水カートリッジであれば、一般家庭での使用にも十分耐えることができるだけの、十分に長い目詰まり寿命を有するものと評価できる。比較例５の浄水カートリッジは、浄水カートリッジの基本的な性能である後述の濁り除去性能が大幅に低かったことから、目詰まりを起こす可能性は低いと判断し、目詰まり寿命の評価を行わなかった。 <Clogging life>
Each water purification cartridge of Examples and Comparative Examples was mounted on a water purifier built-in faucet “JF-AB461SYX (JW)” manufactured by LIXIL Corporation, and the clogging life was evaluated based on JIS S3201. Specifically, water having a turbidity of 2 degrees using kaolin defined in JIS S3201 as a turbid component (particulate matter) is filtered through each water purification cartridge at an initial filtration flow rate of 2.5 L / min. The total amount of filtered water until it decreased to 1/2 of the initial filtration flow rate was used as an indicator of clogging life. The evaluation results are shown in Table 1. In addition, if it is a water purification cartridge with a total amount of filtered water of 1200L or more, it can be evaluated that it has a sufficiently long clogging life that can sufficiently withstand use in ordinary households. The water purification cartridge of Comparative Example 5 was judged to be less likely to cause clogging because the turbidity removal performance described below, which is the basic performance of the water purification cartridge, was significantly low, and the clogging life was not evaluated. It was.

＜濁り除去性能＞
実施例及び比較例の各浄水カートリッジをＬＩＸＩＬ株式会社製の浄水器内蔵水栓「ＪＦ−ＡＢ４６１ＳＹＸ（ＪＷ）」に装着し、ＪＩＳ Ｓ３２０１に基いて濁り除去性能（粒子状物質除去性能）を評価した。なお、濁り除去性能の評価では、ＪＩＳ Ｓ３２０１で規定されたカオリンを濁り成分（粒子状物質）とした濁度２度の水を試験原水とした。評価では、通水開始後に１０分間連続通水した後のろ過水の濁度を測定し、濁度除去率を求めた。評価結果を表１に示す。なお、濁度除去率が８０％以上であれば、一般家庭での使用にも十分耐えることができる。 <Muddy removal performance>
Each water purification cartridge of Examples and Comparative Examples was mounted on a water purifier built-in faucet “JF-AB461SYX (JW)” manufactured by LIXIL Corporation, and turbidity removal performance (particulate matter removal performance) was evaluated based on JIS S3201. . In the evaluation of turbidity removal performance, water having a turbidity of 2 degrees using kaolin defined in JIS S3201 as a turbid component (particulate matter) was used as test raw water. In the evaluation, the turbidity of filtered water after continuous water passage for 10 minutes after the start of water passage was measured to obtain the turbidity removal rate. The evaluation results are shown in Table 1. In addition, if the turbidity removal rate is 80% or more, it can sufficiently withstand use in ordinary households.

Figure 2016140788
Figure 2016140788

表１に示した結果から、実施例９〜１１の浄水カートリッジは、比較例４の浄水カートリッジよりも、目詰まり寿命が長いことが分かった。また、表１に示した結果から、実施例９〜１１の浄水カートリッジは、比較例５の活性炭成形体よりも、濁り除去性能が高いことが分かった。これら結果から、活性炭成形の細孔モード径が１５〜３０μｍであることにより、浄水カートリッジの高い濁り除去性能と十分に長い目詰まり寿命とが両立可能になることが確認された。   From the results shown in Table 1, it was found that the water purification cartridges of Examples 9 to 11 had a longer clogging life than the water purification cartridge of Comparative Example 4. Moreover, from the results shown in Table 1, it was found that the water purification cartridges of Examples 9 to 11 had higher turbidity removal performance than the activated carbon molded body of Comparative Example 5. From these results, it was confirmed that when the pore mode diameter of the activated carbon molding is 15 to 30 μm, both the high turbidity removal performance and a sufficiently long clogging life of the water purification cartridge can be achieved.

表１に示した結果から、実施例７及び８の浄水カートリッジは、比較例３の浄水カートリッジよりも、目詰まり寿命が長いことが分かった。この結果から、不織布の通気抵抗（通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失）が１０ｍｍＨ２Ｏ以下であることにより、浄水カートリッジの目詰まり寿命が十分に長くなることが確認された。 From the results shown in Table 1, it was found that the water purification cartridges of Examples 7 and 8 had a longer clogging life than the water purification cartridge of Comparative Example 3. From this result, the clogging life of the water purification cartridge is sufficiently long when the ventilation resistance of the nonwoven fabric (pressure loss when the ventilation cross-sectional area is 15 cm 2 and the ventilation flow rate is 10 L / min) is 10 mmH 2 O or less. Was confirmed.

表１に示した結果から、実施例４〜６の浄水カートリッジは、比較例１の浄水カートリッジよりも、目詰まり寿命が長いことが分かった。この結果から、活性炭成形体の外周面の表面粗さ（ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａ）が１５μｍ以上であることにより、活性炭成形体の外周面上に不織布を配置したとしても、浄水カートリッジの目詰まり寿命が十分に長くなることが確認された。   From the results shown in Table 1, it was found that the water purification cartridges of Examples 4 to 6 had a longer clogging life than the water purification cartridge of Comparative Example 1. From this result, even if the nonwoven fabric is disposed on the outer peripheral surface of the activated carbon molded body, the surface roughness of the outer peripheral surface of the activated carbon molded body (arithmetic average height Pa defined in JIS B0601) is 15 μm or more. It was confirmed that the clogging life of the water purification cartridge is sufficiently long.

なお、比較例２の条件では、活性炭成形体の外径のばらつきが大きく、不織布をうまく巻き付けることができなかったことから、比較例２は評価を行えなかった。この結果は、活性炭成形体の算術平均高さＰａが大きくなると、不織布が巻き付け時に引っ掛かったり、不織布が重なった部分を押し付け溶着する際に、押し付けが不均一となることで溶着にばらつきが生じてしまうことに起因すると考えられる。このように、浄水カートリッジを製造するためには、活性炭成形体の外周面の表面粗さ（ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａ）を１００μｍ以下とする必要があることが確認された。   In addition, on the conditions of the comparative example 2, since the dispersion | variation in the outer diameter of the activated carbon molding was large and the nonwoven fabric could not be wound well, the comparative example 2 could not be evaluated. As a result, when the arithmetic average height Pa of the activated carbon molded body is increased, the nonwoven fabric is caught at the time of winding, or when the overlapping portion of the nonwoven fabric is pressed and welded, unevenness of the pressing causes variation in welding. This is thought to be due to the fact that Thus, in order to manufacture the water purification cartridge, it was confirmed that the surface roughness (arithmetic average height Pa defined in JIS B0601) of the outer peripheral surface of the activated carbon molded body needs to be 100 μm or less.

１…浄水カートリッジ
３…活性炭成形体
４…不織布 DESCRIPTION OF SYMBOLS 1 ... Water purification cartridge 3 ... Activated carbon molded object 4 ... Nonwoven fabric

本発明は、円筒状の活性炭成形体と、前記活性炭成形体の外周面上に配置される不織布と、を備え、前記不織布は、通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失が１０ｍｍＨ２Ｏ以下であり、前記活性炭成形体の材料の粒子間に形成される間隙である細孔のモード径は、１５〜３０μｍであり、前記活性炭成形体の外周面の表面粗さは、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａで１５〜１００μｍであり、前記活性炭成形体の外周と前記不織布との間に前記活性炭成形体の外周面の表面粗さによって形成された隙間を有する浄水カートリッジに関する。

The present invention comprises a cylindrical activated carbon molded body and a nonwoven fabric disposed on the outer peripheral surface of the activated carbon molded body, and the nonwoven fabric has a ventilation cross-sectional area of 15 cm 2 and a ventilation flow rate of 10 L / min. The pressure loss is 10 mmH 2 O or less, the mode diameter of pores , which are gaps formed between particles of the material of the activated carbon molded body, is 15 to 30 μm, and the surface roughness of the outer peripheral surface of the activated carbon molded body gap, which 15~100μm der in arithmetic average height Pa defined by JIS B0601 is, formed by the surface roughness of the outer peripheral surface of the activated carbon molded body between the nonwoven fabric and the outer circumference of the activated carbon molded body The present invention relates to a water purification cartridge having

Claims (2)

円筒状の活性炭成形体と、
前記活性炭成形体の外周面上に配置される不織布と、を備え、
前記不織布は、通気断面積が１５ｃｍ２で通気流量が１０Ｌ／分のときの圧力損失が１０ｍｍＨ２Ｏ以下であり、
前記活性炭成形体の細孔モード径は、１５〜３０μｍであり、
前記活性炭成形体の外周面の表面粗さは、ＪＩＳ Ｂ０６０１で規定される算術平均高さＰａで１５〜１００μｍである浄水カートリッジ。 A cylindrical activated carbon molded body,
A non-woven fabric disposed on the outer peripheral surface of the activated carbon molded body,
The nonwoven fabric has a pressure loss of 10 mmH 2 O or less when the ventilation cross-sectional area is 15 cm 2 and the ventilation flow rate is 10 L / min.
The pore mode diameter of the activated carbon molded body is 15 to 30 μm,
The surface roughness of the outer peripheral surface of the activated carbon molded body is a water purification cartridge having an arithmetic average height Pa defined by JIS B0601 of 15 to 100 μm. 請求項１に記載の浄水カートリッジを備える浄水器。   A water purifier comprising the water purification cartridge according to claim 1.
JP2015016638A 2015-01-30 2015-01-30 Water purification cartridge and water purifier Active JP6147283B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015016638A JP6147283B2 (en) 2015-01-30 2015-01-30 Water purification cartridge and water purifier
PCT/JP2016/051528 WO2016121590A1 (en) 2015-01-30 2016-01-20 Water-purifying cartridge and water purifier
TW105102283A TW201634101A (en) 2015-01-30 2016-01-26 Water-purifying cartridge and water purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015016638A JP6147283B2 (en) 2015-01-30 2015-01-30 Water purification cartridge and water purifier

Publications (2)

Publication Number Publication Date
JP2016140788A true JP2016140788A (en) 2016-08-08
JP6147283B2 JP6147283B2 (en) 2017-06-14

Family

ID=56543207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015016638A Active JP6147283B2 (en) 2015-01-30 2015-01-30 Water purification cartridge and water purifier

Country Status (3)

Country Link
JP (1) JP6147283B2 (en)
TW (1) TW201634101A (en)
WO (1) WO2016121590A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020032363A (en) * 2018-08-30 2020-03-05 東レ株式会社 Equipment and method for producing activated carbon molding
WO2020138054A1 (en) * 2018-12-28 2020-07-02 株式会社クラレ Water purifying filter and water purifier using same
JP2020104945A (en) * 2018-12-25 2020-07-09 東レ株式会社 End part processing device and end part processing method for molded active carbon
CN111902367A (en) * 2018-03-28 2020-11-06 东丽株式会社 Shaped activated carbon core and method of making same
WO2022071019A1 (en) * 2020-10-01 2022-04-07 株式会社クラレ Adsorption filter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7303118B2 (en) * 2017-12-28 2023-07-04 株式会社クラレ adsorption filter
WO2023189806A1 (en) * 2022-03-29 2023-10-05 株式会社クラレ Adsorption filter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073839A (en) * 1983-09-30 1985-04-26 株式会社クラレ Adsorbing material
JPH0339235Y2 (en) * 1985-10-07 1991-08-19
JPH05279947A (en) * 1992-03-25 1993-10-26 Kuraray Co Ltd Nonwoven fabric of polycarbonate ultrafine fiber
JP2000342918A (en) * 1999-06-03 2000-12-12 Mitsubishi Rayon Co Ltd Filter and water purifier
WO2011016548A1 (en) * 2009-08-06 2011-02-10 クラレケミカル株式会社 Molded activated charcoal and water purifier involving same
JP2014064647A (en) * 2012-09-25 2014-04-17 Panasonic Corp Vacuum cleaner
WO2014061740A1 (en) * 2012-10-19 2014-04-24 クラレケミカル株式会社 Water processing filter and manufacturing method therefor
JP2015073919A (en) * 2013-10-07 2015-04-20 株式会社Ｌｉｘｉｌ Activated carbon molded body

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073839A (en) * 1983-09-30 1985-04-26 株式会社クラレ Adsorbing material
JPH0339235Y2 (en) * 1985-10-07 1991-08-19
JPH05279947A (en) * 1992-03-25 1993-10-26 Kuraray Co Ltd Nonwoven fabric of polycarbonate ultrafine fiber
JP2000342918A (en) * 1999-06-03 2000-12-12 Mitsubishi Rayon Co Ltd Filter and water purifier
WO2011016548A1 (en) * 2009-08-06 2011-02-10 クラレケミカル株式会社 Molded activated charcoal and water purifier involving same
JP2014064647A (en) * 2012-09-25 2014-04-17 Panasonic Corp Vacuum cleaner
WO2014061740A1 (en) * 2012-10-19 2014-04-24 クラレケミカル株式会社 Water processing filter and manufacturing method therefor
JP5513701B1 (en) * 2012-10-19 2014-06-04 クラレケミカル株式会社 Water treatment filter and manufacturing method thereof
JP2015073919A (en) * 2013-10-07 2015-04-20 株式会社Ｌｉｘｉｌ Activated carbon molded body

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111902367A (en) * 2018-03-28 2020-11-06 东丽株式会社 Shaped activated carbon core and method of making same
JP2020032363A (en) * 2018-08-30 2020-03-05 東レ株式会社 Equipment and method for producing activated carbon molding
JP7183631B2 (en) 2018-08-30 2022-12-06 東レ株式会社 Apparatus and method for manufacturing activated carbon compact
JP2020104945A (en) * 2018-12-25 2020-07-09 東レ株式会社 End part processing device and end part processing method for molded active carbon
WO2020138054A1 (en) * 2018-12-28 2020-07-02 株式会社クラレ Water purifying filter and water purifier using same
JPWO2020138054A1 (en) * 2018-12-28 2021-11-11 株式会社クラレ Water purification filter and water purifier using it
JP7356458B2 (en) 2018-12-28 2023-10-04 株式会社クラレ Water purification filter and water purifier using it
WO2022071019A1 (en) * 2020-10-01 2022-04-07 株式会社クラレ Adsorption filter
JPWO2022071019A1 (en) * 2020-10-01 2022-04-07
JP7180036B2 (en) 2020-10-01 2022-11-29 株式会社クラレ adsorption filter
KR20230078947A (en) 2020-10-01 2023-06-05 주식회사 쿠라레 adsorption filter

Also Published As

Publication number Publication date
TW201634101A (en) 2016-10-01
WO2016121590A1 (en) 2016-08-04
JP6147283B2 (en) 2017-06-14

Similar Documents

Publication Publication Date Title
JP6147283B2 (en) Water purification cartridge and water purifier
JP2014500780A (en) Cartridge filter including combination of depth filter and submicron filter and RO pretreatment method
KR20120025112A (en) Filter cartridge
JP2006520270A (en) Filter media with improved ability to inhibit microorganisms
JP2016022399A (en) Water purification filter body
JP3164470U (en) Water purifier filter and water purifier using the same
US20090045133A1 (en) Low Pressure Drop Cyst Filter
CA2950318C (en) Reverse flow carafe filter cartridge
JP6489735B2 (en) Method for producing a turbidity reducing filter body
JP5933771B2 (en) Activated carbon sheet for water purification and water purification filter
KR20200011179A (en) The Unity type Purifying Water Filter for removing Virus and Bacteria
WO2012056668A1 (en) Reverse osmosis membrane structure for water treatment and reverse osmosis membrane module
JP6243180B2 (en) Activated carbon molded body and method for producing activated carbon molded body
JP2012143701A (en) Activated carbon sheet for clean water and water purification filter
KR101385947B1 (en) Depth filter for filtering cmp slurry
KR100901069B1 (en) An Activated Carbon Block including a Micro Filter
JPH03196891A (en) Water purifier
JP2019025402A (en) Filter body and manufacturing method thereof
JPH04180887A (en) Water purifier
KR100318544B1 (en) Cartridge munufacturing machine for water cleaning
KR102594953B1 (en) Filter for water purifier and method for making the filter media
JP2014159033A (en) Liquid filter with high separability
KR20160083562A (en) Filter assembly having excellent filtration efficiency depending on the particle size and filter unit comprising the same
JP2016087508A (en) Filtration filter and water purifier
KR101270788B1 (en) Filter cartridge for watertreatment

Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20151117

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170323

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170516

R150 Certificate of patent or registration of utility model

Ref document number: 6147283

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250