JPH04198433A - Method for removing clogging of filtering unit in filtering apparatus for molten metal - Google Patents
Method for removing clogging of filtering unit in filtering apparatus for molten metalInfo
- Publication number
- JPH04198433A JPH04198433A JP2333254A JP33325490A JPH04198433A JP H04198433 A JPH04198433 A JP H04198433A JP 2333254 A JP2333254 A JP 2333254A JP 33325490 A JP33325490 A JP 33325490A JP H04198433 A JPH04198433 A JP H04198433A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- tube
- filtration
- filtering
- filtration tank
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 65
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title description 12
- 239000000919 ceramic Substances 0.000 claims abstract description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 10
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002245 particle Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Filtration Of Liquid (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、溶融金属濾過装置における濾過ユニットの目
詰まり除去方法に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for removing clogging of a filtration unit in a molten metal filtration apparatus.
（従来技術）
従来公知の、実公昭６３−４７４．１４号公報には、濾
過槽と、該濾過槽内に収納される耐火物プレートで形成
された前側板と後側板間にアルミナ質ポーラスチューブ
により形成した横セラミックチューブを掛け渡し、該チ
ューブの前後側のいずれか一例は閉塞部材で閉塞しいず
れか他側は開口させた濾過ユニットと溶融金属濾過装置
が図示されている。(Prior art) The conventionally known Japanese Utility Model Publication No. 63-474.14 describes a filtration tank and an alumina porous tube between a front plate and a rear plate formed of a refractory plate housed in the filtration tank. A filtration unit and a molten metal filtration device are shown in which a horizontal ceramic tube formed by the above is stretched over each other, one of the front and rear sides of the tube is closed with a closing member, and the other side is left open.
（発明が解決しようとする課題）
前記公知例の、濾過槽内の濾過ユニットの横セラミック
チューブは、アルミナ質ポーラスチューブにより形成さ
れた所謂焼物であるから、長時間使用していると目詰ま
りが生じて、所期の作用効果を奏しなくなる。(Problem to be Solved by the Invention) Since the horizontal ceramic tube of the filtration unit in the filtration tank in the above-mentioned known example is a so-called ceramic tube formed of an alumina porous tube, it becomes clogged when used for a long time. This causes the desired effect to not be achieved.
従来は、寿命として、全て交換していた。Previously, all of them were replaced at the end of their service life.
即ち、目詰まり粒子は、焼物であるアルミナ質ポーラス
チューブの深部に達して目詰まりしているから、除去す
る方法がなかったのである。That is, since the clogging particles reach the deep part of the fired alumina porous tube and clog it, there is no way to remove it.
例えば、はじくる方法だと、デユープを傷める。圧風に
より吹送除去させても、深部で口詰まりしているから殆
んど効果かない。それゆえ、従来は、廃棄し新品と交換
していた。For example, if you use the flip method, it will damage the dupe. Even if you blow it away with pressure air, it will have little effect because it is clogged deep inside. Therefore, conventionally, they were discarded and replaced with new ones.
しかし、溶湯を逆流させると、相当に効果かある。つま
り、溶融金属を逆に流すのである。However, flowing the molten metal backwards can be quite effective. In other words, the molten metal flows in the opposite direction.
この場合、溶融金属を逆流させることが訳なくできるよ
うにするためと、チューブ自体の外面が冷却して同化す
ることを防止するためと、目詰まり除去効果を最大にす
るために、濾過槽内で、かつ溶融金属充滴状態で行なう
とよい。In this case, the filtration tank should be It is preferable to carry out the process in a state where the molten metal is filled with droplets.
（課題を解決するだめの手段）
よって、本発明は、炭化珪素質耐火物プレーｊ・で形成
された前（Ｊｌｌｌｌｌｌ後側板４間にアルミナ質ポー
ラスチューブにより形成した横セラミックチューブ５を
掛け渡し、該デユープ５の前後側のいずれか一側は閉塞
部材６で閉塞しいずれか他側は開口）させた濾過ユニッ
ト２を濾過槽１内に収納し、該濾過槽１内に充満させた
溶融金属を前記デユープ５で濾過して前記開口７部より
排出させる溶融金属濾過方法において、前記濾過槽１内
に溶融金属か充填している状態で任意の手段にｊ二り圧
力を掛けて前記チューブ５内より前記濾過槽１内に溶融
金属を逆流させる溶融金属濾過装置における濾過ユニッ
トの目詰まり除去方法としたものである。(Means for Solving the Problems) Therefore, the present invention provides a method in which a horizontal ceramic tube 5 made of an alumina porous tube is spanned between the front (Jlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllluuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu basis basis) side plate 4 is made of silicon carbide refractories. The filtration unit 2, in which one of the front and rear sides of the duplex 5 is closed with a closing member 6 and the other side is open, is housed in the filtration tank 1, and the filtration tank 1 is filled with molten metal. In the molten metal filtration method in which molten metal is filtered through the duplex 5 and discharged from the opening 7, the tube 5 is filtered by applying pressure by any means while the filtration tank 1 is filled with molten metal. This is a method for removing clogging of a filtration unit in a molten metal filtration apparatus in which molten metal flows back into the filtration tank 1 from the inside.
（実施例）
本発明方法に直接使用する装置の実施例を図面により説
明すると、１はアルミニウム等の溶融金属（溶湯）を濾
過処理する濾過槽、２は同 ”濾過ユニットであり
、濾過ユニット２は濾過槽１内に一組または二組具」皿
収納されている。(Example) An example of an apparatus directly used in the method of the present invention will be described with reference to drawings. 1 is a filtration tank for filtering molten metal (molten metal) such as aluminum; 2 is a filtration unit; One or two sets of utensils are stored in the filter tank 1.
濾過ユニット２は、前後側の炭化珪素質耐火物プレート
で形成された前側板３と後側板４ （前後左右は図に従
っての説明であるから、反対に表わされることかある）
との間に前後方向のアルミナ質ポーラスチューブにより
形成された多孔質横セラミックデユープ５を掛け渡した
構造である。The filtration unit 2 includes a front side plate 3 and a rear side plate 4 formed of silicon carbide refractory plates on the front and back sides (front, back, left and right are explained according to the drawings, so they may be expressed in reverse).
It has a structure in which a porous horizontal ceramic duplex 5 formed of an alumina porous tube in the front-rear direction is stretched between the two.
横セラミックチューブ５は上下数段・左右複数列設けら
れており、前側板３側は閉塞部材６て閉塞され、後側板
４側は開口７されて、前記溶湯か横セラミックチューブ
５により濾過され、開口７部より精製されて排湯される
。The horizontal ceramic tubes 5 are provided in several stages above and below and in multiple rows on the left and right, the front side plate 3 side is closed with a closing member 6, the rear side plate 4 side is opened 7, and the molten metal is filtered through the horizontal ceramic tubes 5, The purified hot water is discharged from the opening 7.
濾過槽１の濾過室８は、上部が全面開口（蓋は省略）さ
れ、前記濾過ユニット２は吊治具を用いて上部開口部か
ら濾過室８内に降ろされる。The filtration chamber 8 of the filtration tank 1 is completely opened at the top (the lid is omitted), and the filtration unit 2 is lowered into the filtration chamber 8 from the top opening using a hanging jig.
後側板４の外面にはパツキン１２が設けられ、パツキン
１２は濾過槽１の排湯側仕切壁９に密着当接する。１０
は給湯口、１１は排湯口であるが、各濾過ユニット２の
開口７部からは、通路１３を介して、排湯口］１に通ず
る。１４は楔、１５は溶融金属である。A gasket 12 is provided on the outer surface of the rear side plate 4, and the gasket 12 is in close contact with the partition wall 9 on the discharge side of the filtration tank 1. 10
1 is a hot water supply port, and 11 is a hot water outlet, and the opening 7 of each filtration unit 2 communicates with the hot water drain port] 1 via a passage 13. 14 is a wedge, and 15 is molten metal.
（作用） つぎに、本発明方法の作用を述べる。(effect) Next, the operation of the method of the present invention will be described.
任意構造の吊治具を用い、リフト操作にＪ：り濾過ユニ
ット２を濾過室８内に収納し、油圧ジヤツキか手動ジヤ
ツキを用いて濾過ユニット２の後側機４のパツキン１２
を排湯側仕切壁９に密着させる。Using a lifting jig of arbitrary structure, store the filtration unit 2 in the filtration chamber 8 for lift operation, and use a hydraulic jack or manual jack to lift the gasket 12 of the rear machine 4 of the filtration unit 2.
is brought into close contact with the hot water discharge side partition wall 9.
密着の度合は、湯か洩れない程度に固く押付ける。Press firmly enough to prevent hot water from leaking.
押イ」け完了したら、前側板３と外壁との間に楔１４を
挿入する。When the pushing is completed, the wedge 14 is inserted between the front plate 3 and the outer wall.
この状態で、溶融金属１５を濾過室８に供給すると、溶
融金属１５は濾過ユニッｌ−２の横セラミックチューブ
５を通過するとき精製され、精製溶融金属１５は通路１
３を通って、排湯口１１より取出される。In this state, when the molten metal 15 is supplied to the filtration chamber 8, the molten metal 15 is purified when passing through the horizontal ceramic tube 5 of the filtration unit l-2, and the purified molten metal 15 is
3 and is taken out from the outlet 11.
この作業を長時間続けると、前記横セラミックチューブ
５は次第に目詰まりして、効率が悪くなるが、そのとき
は、そのままの状態で、通路１３内の精製溶融金属１５
の湯面上に金属板を浮遊させ該金属板を上方から押し下
げて逆流させるか、別途設けたモータで回転するスクリ
ュウ等の圧力附与装置により、溶融金属１５を逆流イさ
せる。If this operation continues for a long time, the horizontal ceramic tube 5 will gradually become clogged and the efficiency will deteriorate.
The molten metal 15 is caused to flow backward by floating a metal plate on the surface of the molten metal and pushing the metal plate down from above, or by using a pressure applying device such as a screw rotated by a separately provided motor.
この操作を反復すると、目詰まり粒子は、固化されてい
ないし、溶融金属１５中にひたっている状態なので、深
部のものも吹出し、相当の効果が期待できるものである
。When this operation is repeated, since the clogged particles are not solidified and are still immersed in the molten metal 15, those deep inside can also be blown out, and a considerable effect can be expected.
（効果）
公知例の、濾過槽内の濾過ユニットの横セラミックデユ
ープは、アルミナ質ポーラスチューブにより形成された
所謂焼物であるから、長時間使用していると目詰まりが
生じて、所期の作用効果を奏しなくなる。従来は、寿命
として、全て交換していた。(Effects) The known horizontal ceramic duplex of the filtration unit in the filtration tank is a so-called ceramic duplex made of alumina porous tubes, so if it is used for a long time, it will become clogged and cannot be used as expected. It will no longer be effective. Previously, all of them were replaced at the end of their service life.
即ち、目詰まり粒子は、焼物であるアルミナ質ポーラス
チューブの深部に達して目詰まりしているから、除去す
る方法かなかったのである。That is, since the clogging particles reach the deep part of the fired alumina porous tube and clog it, there is no way to remove it.
例えば、はじくる方法だと、チューブを傷める。For example, the popping method will damage the tube.
圧風により吹送除去させても、深部で目詰まりしている
から殆んど効果がない。それゆえ、従来は、廃棄し新品
と交換していた。Even if it is blown away with pressure air, it will have little effect because it is clogged deep inside. Therefore, conventionally, they were discarded and replaced with new ones.
しかるに、本発明は、炭化珪素質耐火物プレートで形成
された前側板３と後側板４間にアルミナ質ポーラスチュ
ーブにより形成した横セラミックデユープ５を掛け渡し
、該チューブ５の前後側のいずれか一側は閉塞部材６で
閉塞しいずれか他側は開口７させた濾過ユニット２を濾
過槽１内に収納し、該濾過槽ｊ内に充満させた溶融金属
を前記チューブ５で濾過して前記開口７部より排出させ
る溶融金属濾過方法において、前記濾過槽１内に溶融金
属が充填している状態で任意の手段により圧力を掛けて
前記チューブ５内より前記濾過槽１内に溶融金属を逆流
させる溶融金属濾過装置における濾過ユニットの目詰ま
り除去方法としたものであるから、■ 精製作業中、濾
過ユニットを取出さなくともそのまま目詰まりを除去で
きる。However, in the present invention, a horizontal ceramic duplex 5 made of an alumina porous tube is spanned between a front plate 3 and a rear plate 4 made of a silicon carbide refractory plate. A filtration unit 2 with one side closed by a closing member 6 and the other side opened 7 is housed in a filtration tank 1, and the molten metal filled in the filtration tank j is filtered through the tube 5. In the molten metal filtration method in which the molten metal is discharged from the opening 7, pressure is applied by any means while the filtration tank 1 is filled with molten metal, and the molten metal is poured from the tube 5 into the filtration tank 1. Since this is a method for removing clogging of a filtration unit in a molten metal filtration device that causes backflow, (1) during refining work, clogging can be removed without removing the filtration unit.
■ 比較的簡易な手段なので、既存のものでも行なえる
。■ Since it is a relatively simple method, it can be done with existing equipment.
■ 効果が優れている。■ Excellent effects.
■ 目詰まり除去後は、引続き精製工程に戻れる。■ After removing the clogging, you can continue to the refining process.
という効果を奏する。This effect is achieved.
第１図は濾過槽の縦断正面図、第２図は濾過槽の横断平
面図、第３図は濾過ユニットの縦断面図、第４図は濾過
槽の縦断側面図である。
符号の説明
１・・・濾過槽、２・・・濾過ユニツ１−１３・・・前
側板、４・・・後側板、５・・・横セラミックチコーー
ブ、６・・・閉塞部材、７・・・開口、８・・・濾過室
、９・・・排湯側仕切壁、］０・・・給湯口、１１・・
・排湯口、］２・・・パツキン、１３・・・通路、１４
・・・楔、１５・・・溶融金属。
−２ｆFIG. 1 is a longitudinal sectional front view of the filtration tank, FIG. 2 is a transverse plan view of the filtration tank, FIG. 3 is a longitudinal sectional view of the filtration unit, and FIG. 4 is a longitudinal sectional side view of the filtration tank. Description of symbols 1...Filtration tank, 2...Filtration unit 1-13...Front side plate, 4...Rear side plate, 5...Horizontal ceramic chicobe, 6...Closing member, 7... Opening, 8... Filtration chamber, 9... Hot water discharge side partition wall, ] 0... Hot water supply port, 11...
・Drainage port,] 2... Packing, 13... Passage, 14
... Wedge, 15... Molten metal. -2f
Claims (1)
板４間にアルミナ質ポーラスチューブにより形成した横
セラミックチューブ５を掛け渡し、該チューブ５の前後
側のいずれか一側は閉塞部材６で閉塞しいずれか他側は
開口７させた濾過ユニット２を濾過槽１内に収納し、該
濾過槽１内に充満させた溶融金属を前記チューブ５で濾
過して前記開口７部より排出させる溶融金属濾過方法に
おいて、前記濾過槽１内に溶融金属が充填している状態
で任意の手段により圧力を掛けて前記チューブ５内より
前記濾過槽１内に溶融金属を逆流させる溶融金属濾過装
置における濾過ユニットの目詰まり除去方法。A horizontal ceramic tube 5 made of an alumina porous tube is stretched between a front plate 3 and a rear plate 4 made of a silicon carbide refractory plate, and one of the front and rear sides of the tube 5 is provided with a closing member 6. A filtration unit 2 that is closed and has an opening 7 on one side is housed in a filtration tank 1, and the molten metal that fills the filtration tank 1 is filtered through the tube 5 and discharged from the opening 7. In the metal filtration method, filtration in a molten metal filtration device in which the molten metal is filled in the filtration tank 1 and pressure is applied by any means to cause the molten metal to flow back from the tube 5 into the filtration tank 1. How to unclog the unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2333254A JPH04198433A (en) | 1990-11-29 | 1990-11-29 | Method for removing clogging of filtering unit in filtering apparatus for molten metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2333254A JPH04198433A (en) | 1990-11-29 | 1990-11-29 | Method for removing clogging of filtering unit in filtering apparatus for molten metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04198433A true JPH04198433A (en) | 1992-07-17 |
Family
ID=18264053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2333254A Pending JPH04198433A (en) | 1990-11-29 | 1990-11-29 | Method for removing clogging of filtering unit in filtering apparatus for molten metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04198433A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100564377B1 (en) * | 2000-11-09 | 2006-03-27 | 바우 알루미늄 아게 | Device for filtering and adding grain refining agent to metal melts |
| WO2007088937A1 (en) * | 2006-02-03 | 2007-08-09 | Mitsui Mining & Smelting Co., Ltd. | Metal filtering apparatus |
| JP2009101404A (en) * | 2007-10-25 | 2009-05-14 | Osaka Giken Kk | Low-pressure casting machine, and low-pressure casting method |
-
1990
- 1990-11-29 JP JP2333254A patent/JPH04198433A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100564377B1 (en) * | 2000-11-09 | 2006-03-27 | 바우 알루미늄 아게 | Device for filtering and adding grain refining agent to metal melts |
| WO2007088937A1 (en) * | 2006-02-03 | 2007-08-09 | Mitsui Mining & Smelting Co., Ltd. | Metal filtering apparatus |
| JP2007204836A (en) * | 2006-02-03 | 2007-08-16 | Mitsui Mining & Smelting Co Ltd | Metal filtration device |
| JP2009101404A (en) * | 2007-10-25 | 2009-05-14 | Osaka Giken Kk | Low-pressure casting machine, and low-pressure casting method |
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