JP2013136812A5

JP2013136812A5 -

Info

Publication number: JP2013136812A5
Application number: JP2011287736A
Authority: JP
Filing date: 2011-12-28
Publication date: 2014-01-16
Anticipated expiration: 2031-12-28

Description

本発明は、一端に開口部を有し、かつ他端が閉じている１本又は複数本の多孔質セラミックス製濾過チューブを、その長手方向が、水平面に対して交差する方向を向くように、金属溶湯を貯留する缶体部内に配した金属溶湯濾過装置であって、
前記缶体部内に貯留する金属溶湯の容量を減少させるように該缶体部の上方部分を塞ぐ閉塞部を設けた金属溶湯濾過装置を提供するものである。
また本発明は、一端に開口部を有し、かつ他端が閉じている１本又は複数本の多孔質セラミックス製濾過チューブを、その長手方向が、水平面に対して交差する方向を向くように、金属溶湯を貯留する缶体部内に配した金属溶湯濾過装置であって、
前記濾過チューブは、該濾過チューブの長手方向が、支持板の板面に対して略直交するように、該濾過チューブの少なくとも一方の端部において該支持板に取り付けられており、それによって濾過ユニットが形成されており、
前記濾過ユニットは、前記支持板の板面が水平面と略一致するように、前記缶体部内に配置されており、
前記濾過ユニットにおいては、前記濾過チューブが、該濾過チューブの一方の端部において、前記支持板に取り付けられており、
前記濾過チューブが前記支持板から下方に向けて垂下するように、前記濾過ユニットが、前記缶体部内に懸下されており、
懸下状態の前記濾過ユニットにおいては、該濾過ユニットにおける前記支持板の上面に、金属溶湯の濾過を開始するときに浮力によって該濾過ユニットが浮き上がらないようにするための錘が載置されている、金属溶湯濾過装置を提供するものである。
更に本発明は、一端に開口部を有し、かつ他端が閉じている１本又は複数本の多孔質セラミックス製濾過チューブを、その長手方向が、水平面に対して交差する方向を向くように、金属溶湯を貯留する缶体部内に配した金属溶湯濾過装置であって、
前記濾過チューブは、該濾過チューブの長手方向が、支持板の板面に対して略直交するように、該濾過チューブの双方の端部において一対の該支持板に取り付けられており、それによって濾過ユニットが形成されており、
前記缶体部の底部に設けられた載置部に、一方の前記支持板が当接するように、前記濾過ユニットが該載置部上に載置されており、
前記濾過ユニットにおける上方側に位置する前記支持板に、鉛直方向に延びる押圧部材が当接しており、
前記押圧部材は下方に向けて付勢されており、それによって前記濾過ユニットが該押圧部材によって下方に向けて押し付けられる構造になっている、金属溶湯濾過装置を提供するものである。
The present invention has one or a plurality of porous ceramic filter tubes having an opening at one end and the other end closed, such that the longitudinal direction thereof faces in a direction intersecting the horizontal plane. a metallic melt filtration device arranged on the can body portion for storing the molten metal,
It is an object of the present invention to provide a molten metal filtration apparatus provided with a closing portion that closes an upper portion of the can body portion so as to reduce the capacity of the molten metal stored in the can body portion .
The present invention also provides one or more porous ceramic filter tubes having an opening at one end and the other end closed so that the longitudinal direction thereof is in a direction intersecting the horizontal plane. A molten metal filtration device disposed in a can body for storing molten metal,
The filtration tube is attached to the support plate at at least one end of the filtration tube so that the longitudinal direction of the filtration tube is substantially orthogonal to the plate surface of the support plate, whereby the filtration unit Is formed,
The filtration unit is disposed in the can body so that a plate surface of the support plate substantially coincides with a horizontal plane,
In the filtration unit, the filtration tube is attached to the support plate at one end of the filtration tube,
The filtration unit is suspended in the can body so that the filtration tube hangs downward from the support plate;
In the filtration unit in the suspended state, a weight is placed on the upper surface of the support plate in the filtration unit so that the filtration unit does not rise due to buoyancy when starting filtration of the molten metal. The present invention provides a molten metal filter device.
Further, the present invention provides one or more porous ceramic filter tubes having an opening at one end and closed at the other end so that the longitudinal direction thereof is in a direction intersecting the horizontal plane. A molten metal filtration device disposed in a can body for storing molten metal,
The filtration tube is attached to the pair of support plates at both ends of the filtration tube so that the longitudinal direction of the filtration tube is substantially orthogonal to the plate surface of the support plate, thereby filtering the filtration tube. Unit is formed,
The filtration unit is placed on the placement portion so that one of the support plates comes into contact with the placement portion provided at the bottom of the can body portion,
A pressing member extending in the vertical direction is in contact with the support plate located on the upper side of the filtration unit,
The pressing member is biased downward, thereby has a structure which is pressed downward the filtration unit by the pressing member, there is provided a molten metal Filtration device.

Claims

One or more porous ceramic filter tubes having an opening at one end and closed at the other end are used to store molten metal so that the longitudinal direction of the tube is in a direction intersecting the horizontal plane. a metallic melt filtration device arranged on the can body portion of,
A molten metal filtration apparatus provided with a closing portion for closing an upper portion of the can body so as to reduce the capacity of the molten metal stored in the can body .

The molten metal filtration apparatus according to claim 1, wherein the filtration tube is disposed such that a longitudinal direction of the filtration tube faces a direction substantially orthogonal to a horizontal plane.

The filtration tube is attached to the support plate at at least one end of the filtration tube so that the longitudinal direction of the filtration tube is substantially orthogonal to the plate surface of the support plate, whereby the filtration unit Is formed,
The molten metal filtration apparatus according to claim 2, wherein the filtration unit is disposed in the can body so that a plate surface of the support plate substantially coincides with a horizontal plane.

In the filtration unit, the filtration tube is attached to the support plate at one end of the filtration tube,
The molten metal filter apparatus according to claim 3, wherein the filtration unit is suspended in the can body so that the filtration tube hangs downward from the support plate.

In the filtration unit, the side surface of the support plate is a tapered surface inclined inward from the upper surface to the lower surface of the support plate,
The molten metal filtration apparatus according to claim 4, wherein a portion of the can body portion that suspends the filtration unit includes a tapered surface that is complementary to a tapered surface of a side surface of the support plate.

In the filtration unit, the filtration tube is attached to the pair of support plates at both ends of the filtration tube,
The molten metal filtration according to claim 3, wherein the filtration unit is placed on the placement portion so that one of the support plates contacts a placement portion provided at the bottom of the can body portion. apparatus.

The molten metal filter apparatus according to any one of claims 1 to 6, wherein a heater is disposed between a lower end portion of the filtration tube and a bottom portion of the can body portion.

The molten metal filtration apparatus according to any one of claims 1 to 6, wherein hot air is circulated from a lower part to an upper part of the can body part.

The molten metal filtration apparatus according to any one of claims 1 to 8, wherein a lower end surface of the closing portion is positioned below a bottom surface of the hot water inlet.

The molten metal filtering apparatus according to any one of claims 1 to 9, wherein the closing portion is formed integrally with an upper lid that covers the can body portion.

One or more porous ceramic filter tubes having an opening at one end and closed at the other end are used to store molten metal so that the longitudinal direction of the tube is in a direction intersecting the horizontal plane. A molten metal filtration device arranged in the can body part,
The filtration tube is attached to the support plate at at least one end of the filtration tube so that the longitudinal direction of the filtration tube is substantially orthogonal to the plate surface of the support plate, whereby the filtration unit Is formed,
The filtration unit is disposed in the can body so that a plate surface of the support plate substantially coincides with a horizontal plane,
In the filtration unit, the filtration tube is attached to the support plate at one end of the filtration tube,
The filtration unit is suspended in the can body so that the filtration tube hangs downward from the support plate;
In the filtration unit in the suspended state, a weight is placed on the upper surface of the support plate in the filtration unit so that the filtration unit does not rise due to buoyancy when starting filtration of the molten metal. , Metal melt filtration device.

One or more porous ceramic filter tubes having an opening at one end and closed at the other end are used to store molten metal so that the longitudinal direction of the tube is in a direction intersecting the horizontal plane. A molten metal filtration device arranged in the can body part,
The filtration tube is attached to the pair of support plates at both ends of the filtration tube so that the longitudinal direction of the filtration tube is substantially orthogonal to the plate surface of the support plate, thereby filtering the filtration tube. Unit is formed,
The filtration unit is placed on the placement portion so that one of the support plates comes into contact with the placement portion provided at the bottom of the can body portion,
A pressing member extending in the vertical direction is in contact with the support plate located on the upper side of the filtration unit,
The molten metal filtration apparatus, wherein the pressing member is biased downward, whereby the filtration unit is pressed downward by the pressing member.

A method for filtering a molten metal using the molten metal filtration device according to any one of claims 1 to 12, wherein inclusions present in the molten metal are removed.