JPH02290209A - Filter system - Google Patents
Filter systemInfo
- Publication number
- JPH02290209A JPH02290209A JP1107835A JP10783589A JPH02290209A JP H02290209 A JPH02290209 A JP H02290209A JP 1107835 A JP1107835 A JP 1107835A JP 10783589 A JP10783589 A JP 10783589A JP H02290209 A JPH02290209 A JP H02290209A
- Authority
- JP
- Japan
- Prior art keywords
- filtration
- filter
- org
- dirt
- volume
- 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
Links
- 238000001914 filtration Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 102000004190 Enzymes Human genes 0.000 claims abstract description 17
- 108090000790 Enzymes Proteins 0.000 claims abstract description 17
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 241001465754 Metazoa Species 0.000 abstract description 3
- 230000002255 enzymatic effect Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000000706 filtrate Substances 0.000 abstract description 2
- 238000004332 deodorization Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 9
- 239000005416 organic matter Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 230000000593 degrading effect Effects 0.000 description 6
- 239000004575 stone Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 150000001413 amino acids Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 102000035195 Peptidases Human genes 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業−ヒの利川分野〕
この発明は、主として浴槽内の湯などの有機物を含む被
濾過液の濾過システムに関する。DETAILED DESCRIPTION OF THE INVENTION [Icheon Field of Industry] This invention mainly relates to a filtration system for a liquid to be filtered containing organic matter, such as hot water in a bathtub.
（従来の技術〕
般に、浴槽内の湯中には、人体のアカすなわち人体から
遊離した皮膚など蛋白質．アミノ酸などの有機物を成分
とする７りれを混有している。(Prior Art) Generally, hot water in a bathtub contains a mixture of human body aca, that is, proteins such as skin released from the human body, and organic substances such as amino acids.
このような有機物のｔ’ｊれは、お湯に濁りを生じたり
、また特有の悪臭の原囚となっており、従来では専ら金
属メッシュとか納石塊による而濾過なし体積濾過を行っ
ている。The accumulation of organic matter causes turbidity in the hot water and causes a peculiar odor. Conventionally, volumetric filtration without filtration has been carried out exclusively using metal meshes or stone blocks.
しかしながら、従来の濾過では、弔に金属メッシュによ
る機械的な濾過作用では、湯アカの濾過は完全に行うこ
とはできず、また，細石など麦飯石とかゼオライトなど
による体積濾過でも一応の濾過と滅菌ないし殺閑効果が
得られてもなを、不ト分であった。However, in conventional filtration, it is not possible to completely filter hot water scale through mechanical filtration using a metal mesh, and even volumetric filtration using fine stones such as Maifan stone or zeolite can only provide temporary filtration and sterilization. Even if a killing effect could be obtained, it was of no use.
この発明は、叙上の点に着目して成されたもので、人体
の皮膚を主成分とする湯アカの有機物をも有効に分解し
てより洗浄な濾過が得らわるようにした新しい濾過シス
テムを提供することを目的とする。This invention was made by focusing on the points mentioned above, and it is a new filtration system that effectively decomposes organic matter in hot water scale, which is mainly composed of human skin, and provides cleaner filtration. The purpose is to provide a system.
〔３題を解決するための手段〕
すなわち、この発明は、所望の而濾過，体積濾過などで
構成される濾過機構に、酵素による分解１！過機構を設
けて成ることを特徴とする濾過システムであり、さらに
分解濾過機構は、所望の酵素を含有する微少な球状体の
集合塊で形成して成ることを特徴とするものであってこ
れにより上記目的を達成するようにしたものである。[Means for Solving the Three Problems] That is, the present invention provides a filtration mechanism composed of desired filtration, volumetric filtration, etc., with enzymatic decomposition (1)! A filtration system characterized by being provided with a filtration mechanism, and further characterized in that the decomposition filtration mechanism is formed by an aggregate of minute spherical bodies containing a desired enzyme. This is how the above objective is achieved.
（作用）
被濾過液は、通常の而濾過ないし体積濾過によって、固
形分は一応除去されるが、湯アカなと固形分の大きい濾
カスは、そのままの状態で堆積する。(Function) The solid content of the liquid to be filtered is removed by ordinary filtration or volumetric filtration, but the filter scum, which has a large solid content and remains as it is, is deposited in the water.
しかし、濾過過程には酵素を含有する微少な球状体の集
合塊を介在させているので、酵素の働きによって蛋白質
→アミノ酸→残査→無機物となり、最終的には有機物の
濾カスの堆積は完全に消失して湯アカによる［１詰り現
象を無くすことができる。However, since the filtration process involves a collection of microscopic spherical bodies containing enzymes, the action of the enzymes transforms proteins -> amino acids -> residues -> inorganic substances, and in the end, the accumulation of organic substances in the filter scum is completely eliminated. This can eliminate the clogging phenomenon caused by hot water stains.
以Ｆに、この発明の一実施例を第１図および第２図と共
に説明する。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
図は、温水用、特に浴槽川湯の循環濾過装置を示すもの
である。The figure shows a circulating filtration device for hot water, especially for bathtubs.
図面について説明すれば，各国において、１は？状筺体
５ ２は該筒状筺体１の１ｎ部に設けらわる開閉自在の
開口蓋、３は給入口、４は給出［１を示す。If you explain the drawings, what is 1 in each country? The cylindrical casing 5 2 has an opening lid that can be opened and closed at a portion 1n of the cylindrical casing 1, 3 is an inlet, and 4 is an outlet [1].
５■，５２は分解酵素を含有して固形化した微少な球状
体ｑの集合塊体Ｑと併せて各種濾過材の細粒ａを一種ま
たは二種以−Ｆ混合させて袋詰めして成る濾過包装であ
り、所望の繊維布で縫成して形成してある。5■, 52 is made by mixing one or more types of fine particles a of various filter media with an aggregate Q of microscopic spherical bodies q solidified containing degrading enzymes and packing the mixture into bags. It is a filtration package and is sewn with a desired fiber cloth.
ところで、濾過包装５１に詰めてある球状体ｑに含有し
てある酵素は、蛋白質分解酵素とし、こむにゼオライト
を濾過材の細粒ａとして袋詰めしてあり、濾過包装５２
の球状体ｑ中にはアミノ酸分解酵素を含有させてあり、
さらに麦飯石を濾過材の細粒ａとして袋詰めしてある。By the way, the enzyme contained in the spherical bodies q packed in the filtration package 51 is a proteolytic enzyme, and zeolite is packed in a bag as the fine particles a of the filter material.
The globular body q contains an amino acid degrading enzyme,
Furthermore, Maihan stone is packed in bags as fine grains a as a filter material.
そして、それぞわ濾過包装５，，５■の下部を支持し区
劃できるようにパンチングメタルのような網板６を筒状
筐体１の内側段部７と係止させてある。このようにして
図示の実施例では二段の濾過包装５１ ．５２によって
分解酵素入り体積濾過機構（Ｉ）を形成している。A mesh plate 6 made of punched metal is engaged with the inner step 7 of the cylindrical housing 1 so as to support and separate the lower portions of the filtration packages 5, 5, respectively. Thus, in the illustrated embodiment there are two tiers of filtration packaging 51. 52 forms a volumetric filtration mechanism (I) containing a degrading enzyme.
なを、各包装５，，５２中の球状体ｑには，他の酵素を
自由に選択して配合できると共に、各包装５ ＋ ，
５ ２とは別個の包装（図示せず）に袋詰めしても良
い。Moreover, other enzymes can be freely selected and blended into the spherical bodies q in each package 5, 52, and each package 5 +,
5. It may be packed in a separate package (not shown) from 2.
この濾過機構（Ｉ）の後段に板状の面積濾過機構（ Ｉ
Ｉ ）か形成してある。A plate-shaped area filtration mechanism (I
I) has been formed.
ところで第１図に示す面積濾過機構（ＩＩ）は、フィル
ターエレメント８が筒状形状αを備え、有頭筒体９の外
周にパンチングメタルによる多孔形成．断面三角形状の
ワイヤー捲回によるコイル状のスリット孔形成、さらに
は焼結金属，焼結セラミックスなどによるボーラス形成
などによって濾過而１０を形成している。By the way, in the area filtration mechanism (II) shown in FIG. 1, the filter element 8 has a cylindrical shape α, and porous holes are formed on the outer periphery of the headed cylinder 9 by punching metal. The filter 10 is formed by forming coil-shaped slit holes by winding a wire having a triangular cross section, and by forming a bolus of sintered metal, sintered ceramics, or the like.
そして、−Ｆ述の構成のフィルターエレメント８は、筒
状筺体１のＦ部室ｌｌ内に設けらわており、このフィル
ターエレメント８が有頭筒体９の内部下側に前記給出［
ＴＩ４が接続されている。The filter element 8 having the configuration described in -F is provided in the F section chamber 11 of the cylindrical housing 1, and this filter element 8 is provided inside the headed cylinder 9 on the lower side.
TI4 is connected.
なを、図示の実施例では、このフィルターエレメント８
の有頭筒体９内には筒状のセラミックスヒータ１２が起
立してあり、このセラミックスヒータ１２の下端に而記
給出口４が接続してある。なを、このセラミックスヒー
タ１２が加熱ピータ機構を構成している。However, in the illustrated embodiment, this filter element 8
A cylindrical ceramic heater 12 stands up in the headed cylinder 9, and the supply port 4 is connected to the lower end of the ceramic heater 12. Moreover, this ceramic heater 12 constitutes a heating repeater mechanism.
図において、！３は、フィルターエレメント８の有頭筒
体９に穿った通孔２ １３は断面三角形状のワイヤで、
有頭筒体９の外周に穿った溝に係止させてコイル状に捲
装し、コイル状のスリット孔より成る濾過面１０を形成
している。In the figure! 3 is a through hole 2 bored in the headed cylinder 9 of the filter element 8; 13 is a wire having a triangular cross section;
It is locked into a groove bored on the outer periphery of the headed cylinder 9 and wound into a coil shape to form a filtering surface 10 consisting of coil-shaped slit holes.
また、第２図に示す面積濾過機構（ｎ）は、フィルター
エレメント８ａがフラットβな”ｒｉｍ造を備え、例え
ば、パンチングメタルによる多孔形成，断面三角形状の
ワイヤー捲回による渦巻状のスリット孔形成、さらには
金属．セラミックスなどによるポーラス形成などによる
濾過而１０ａを形成しており、筒状筺体１の下部室１１
ａの下部に設けてある。In addition, in the area filtration mechanism (n) shown in FIG. 2, the filter element 8a has a flat β "rim structure. For example, porous holes are formed by punching metal, and spiral slit holes are formed by winding a wire having a triangular cross section. Furthermore, a filter 10a is formed by porous formation using metal or ceramics, etc., and the lower chamber 11 of the cylindrical housing 1 is
It is provided at the bottom of a.
なを、図示では、五部室１１ａの下側に円筒状のセラミ
ックスヒータ１２が取付けられた小室１５が設けられて
いるので、前記給出口４は、このセラミックスヒータ１
２の開口部と接続してある。As shown in the figure, a small chamber 15 in which a cylindrical ceramic heater 12 is attached is provided below the five-part chamber 11a, so the outlet 4 is connected to the ceramic heater 1.
It is connected to the opening of No. 2.
なを、１６はフラットなフィルターエレメント８ａを固
着するための止板である。Furthermore, 16 is a stop plate for fixing the flat filter element 8a.
以−Ｆ、第１図，第２図に示す面積濾過機構（ｎ）には
濾カスを排除するための濾カス栓付のＩＩ出管１７が設
けられている。The area filtration mechanism (n) shown in FIGS. 1 and 2 is provided with a II outlet pipe 17 equipped with a filter scum stopper for removing filter scum.
なを、図において、１８は濾過包装を押圧固定するため
のコイルばねを示す。In the figure, 18 indicates a coil spring for pressing and fixing the filter packaging.
叙−トの構成に成るので、第１図および第２図に示す筒
状箇体１を所望の濾過ラインに給入口３，給田口４を用
いて接続に濾過操作を行わせる。Since the structure is as shown in the diagram, the cylindrical body 1 shown in FIGS. 1 and 2 is connected to a desired filtration line using the inlet 3 and the inlet 4 to perform the filtration operation.
該濾過液は給入口３より筒状筐体１内に流入し、まず、
第１段の酵素入り体積濾過機構（Ｉ）によって体積濾過
操作を受け、有機物の分解と併せて一次濾過される。The filtrate flows into the cylindrical housing 1 from the inlet 3, and first,
The first stage enzyme-containing volumetric filtration mechanism (I) undergoes a volumetric filtration operation to decompose organic matter and perform primary filtration.
すなわち、この体Ｍｔ濾過機構（Ｉ）は、分解酵素入り
の球状体の有機物分解作用とゼオライト，麦飯石の濾過
材の細粒ａによる濾過により、所謂、段階的な濾過を行
って各包装毎の分解濾過が行われるのできわめて能率的
に分解濾過が行われ？。That is, this body Mt filtration mechanism (I) performs so-called stepwise filtration by the organic matter decomposition action of the spherical bodies containing degrading enzymes and the filtration by the fine particles a of the zeolite and maifan stone filter media. Since decomposition filtration is performed, decomposition filtration is performed extremely efficiently. .
特に、湯アカの主成分の有機物が分解酵素の１動きによ
って順次と蛋白質→アミノ酸→残渣→無機物と分解作用
が継続し各包装５．，５■内での目詰りの発生し著しく
減少する。In particular, the organic matter, which is the main component of hot water scum, continues to be decomposed in the order of protein → amino acid → residue → inorganic matter by one movement of the decomposing enzyme, and each package 5. , 5 ■ Occurrence of clogging is significantly reduced.
つぎに、順次と第一次体積濾過作用を終了した処理液が
Ｆ部の面積濾過機構（ＩＩ）に達すると、その面積濾過
機構（ｒ１）の濾過面１０ａの濾過粒度（大きさ）に応
じてさらに精密に濾過が進行する。Next, when the treated liquid that has completed the primary volumetric filtration action reaches the area filtration mechanism (II) of section F, it is processed according to the filtration particle size (size) of the filtration surface 10a of the area filtration mechanism (r1). As a result, more precise filtration progresses.
そして、濾カスは而禎濾過機構（ｎ）の表面に附着する
。The filter scum then adheres to the surface of the filtration mechanism (n).
しかし、この場合、面積濾過であるので、濾過而１０ａ
に残った濾カスは、簡単に表面より剥離して外部に栓付
の取出管１７を介して取り出すことができる。However, in this case, since it is an area filtration, the filter 10a
The filter residue remaining on the filter can be easily peeled off from the surface and taken out via the take-out pipe 17 with a stopper.
このようにして、完全に濾カス分が除去された清浄液は
、セラミックスヒータ１２で加温され乍ら給出口４より
再びライン上に戻っ．て再利用できる。In this way, the cleaning liquid from which the filter residue has been completely removed is heated by the ceramic heater 12 and returns to the line through the supply port 4. can be reused.
以上、この実施例では、保温のためセラミックスヒータ
１２を内蔵させていたが、このヒータ１２は必要に応じ
て取除いて用いることができる。As mentioned above, in this embodiment, the ceramic heater 12 is built in for heat retention, but this heater 12 can be removed and used as necessary.
以−Ｌ、この発明について−実施例を説明したが、微少
な球状体の分解酵素は袋詰めしなくても、一定の容積を
保つ各種濾過装置内に充填しても良く、しかも配設する
場所は、プールなど人体など動物の有機物アカが多く発
生する装置の濾過装置に附加的に設置できる。Hereinafter, regarding this invention, examples have been described, but the degrading enzyme in the form of minute spheres does not need to be packed in bags, but may be filled in various filtration devices that maintain a constant volume, and moreover, it can be placed in various filtration devices. It can be additionally installed in a filtration device of a device such as a swimming pool where a lot of organic matter deposits from animals such as human bodies are generated.
有機物の種類により好みの分解酵素を利川できる。Depending on the type of organic matter, you can use your favorite degrading enzyme.
（発明の効果）
この発明によれば、人体など動物の有機物をアカとして
派生する浴槽，プールなどの濾過装置内に附加的に用い
ることができ、微少な球状体との集合塊として簡単に利
川でき、これにより有機性のアカを有効に分解して無機
物として浄化および無臭化できるので、他の面積ないし
体積濾過機構での有機物による目詰りを完全に解消して
殆んでｌ）詰りのない濾過処理ができる効果を有する。(Effects of the Invention) According to the present invention, it is possible to additionally use organic matter from animals such as human bodies as acae in filtration devices for bathtubs, swimming pools, etc. As a result, organic scale can be effectively decomposed and purified as an inorganic substance and odorless, thereby completely eliminating clogging caused by organic substances in other area or volumetric filtration mechanisms, resulting in almost no clogging filtration. It has the effect of processing.
第１図および第２図は、この発明に係る濾過システムの
二実施例を示す一部切欠側面図である。
？・・・・・・給入口
４・−・一給出口
５１．５■・・・・一濾過包装
ｐ ”” ”酵素入り
Ｑ −−−−−−集合塊
８．８ａ・・・・・・フィルターエレメント１０，１０
ａ−−−・一濾過面
（ Ｉ ） −−−−−−酵素入り体積濾過機構（ ｎ
） −−−−−−面禎濾過機構出順人 株式会社荒井
鉄工所
：Ｊジ過才才の糸圧Ｌ約ｒ
：給入口
：給出口1 and 2 are partially cutaway side views showing two embodiments of a filtration system according to the present invention. ? ......Inlet inlet 4 - -1 inlet outlet 51.5 ■...1 filtration packaging p """Enzyme-containing Q ------- Agglomerate 8.8a... Filter element 10, 10
a-----One filtration surface (I) ---Enzyme-containing volumetric filtration mechanism (n
) −−−−−−Mente filtration mechanism output Junjin Arai Iron Works Co., Ltd.: J Ji Kousai's thread pressure L: Feeding inlet: Feeding outlet
Claims (2)
構に、酵素による分解濾過機構を設けて成ることを特徴
とする濾過システム。(1) A filtration system characterized in that a filtration mechanism composed of desired area filtration, volumetric filtration, etc. is provided with a decomposition filtration mechanism using an enzyme.
状体の集合塊で形成して成ることを特徴とする請求項１
記載の濾過システム。(2) Claim 1, characterized in that the decomposition filtration mechanism is formed of an aggregate of minute spherical bodies containing the desired enzyme.
Filtration system as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1107835A JPH02290209A (en) | 1989-04-28 | 1989-04-28 | Filter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1107835A JPH02290209A (en) | 1989-04-28 | 1989-04-28 | Filter system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02290209A true JPH02290209A (en) | 1990-11-30 |
| JPH052362B2 JPH052362B2 (en) | 1993-01-12 |
Family
ID=14469250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1107835A Granted JPH02290209A (en) | 1989-04-28 | 1989-04-28 | Filter system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02290209A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005279408A (en) * | 2004-03-29 | 2005-10-13 | Hanshin Water Supply Authority | Media and membrane filtration combined filter equipment |
| WO2019111385A1 (en) * | 2017-12-07 | 2019-06-13 | 三井金属鉱業株式会社 | Molten metal filtration apparatus |
| JP2021122502A (en) * | 2020-02-05 | 2021-08-30 | リンナイ株式会社 | Float removal tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5038958A (en) * | 1973-08-14 | 1975-04-10 | ||
| JPS50153458A (en) * | 1974-05-17 | 1975-12-10 | ||
| JPS55165112A (en) * | 1979-06-08 | 1980-12-23 | Sanshin Seisakusho:Kk | Packing method of packed filter medium |
| JPS6440051A (en) * | 1987-08-05 | 1989-02-10 | Takahashi Butsushiyou Kk | Method for conditioning bath water properties |
-
1989
- 1989-04-28 JP JP1107835A patent/JPH02290209A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5038958A (en) * | 1973-08-14 | 1975-04-10 | ||
| JPS50153458A (en) * | 1974-05-17 | 1975-12-10 | ||
| JPS55165112A (en) * | 1979-06-08 | 1980-12-23 | Sanshin Seisakusho:Kk | Packing method of packed filter medium |
| JPS6440051A (en) * | 1987-08-05 | 1989-02-10 | Takahashi Butsushiyou Kk | Method for conditioning bath water properties |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005279408A (en) * | 2004-03-29 | 2005-10-13 | Hanshin Water Supply Authority | Media and membrane filtration combined filter equipment |
| JP4672993B2 (en) * | 2004-03-29 | 2011-04-20 | 阪神水道企業団 | Media and membrane filtration combined filtration equipment |
| WO2019111385A1 (en) * | 2017-12-07 | 2019-06-13 | 三井金属鉱業株式会社 | Molten metal filtration apparatus |
| CN111051544A (en) * | 2017-12-07 | 2020-04-21 | 三井金属矿业株式会社 | Molten metal filtering device |
| CN111051544B (en) * | 2017-12-07 | 2023-03-17 | 三井金属矿业株式会社 | Molten metal filtering device |
| JP2021122502A (en) * | 2020-02-05 | 2021-08-30 | リンナイ株式会社 | Float removal tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052362B2 (en) | 1993-01-12 |
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