JPWO2020168161A5

JPWO2020168161A5 - Molten metal filtering apparatus and method

Info

Publication number: JPWO2020168161A5
Application number: JP2021547547A
Authority: JP
Publication date: 2023-02-21

Description

従来技術の濾過箱の断面図である。1 is a cross-sectional view of a prior art filter box; FIG. 従来技術のカートリッジ濾過器の斜視図である。1 is a perspective view of a prior art cartridge filter; FIG. 本開示による濾過装置の平面図（部分的に透視図）である。1 is a plan view (partially in perspective) of a filtering device according to the present disclosure; FIG. 線４－４に沿った図３の装置の断面図である。Figure 4 is a cross-sectional view of the device of Figure 3 along line 4-4 ; 本開示による別の濾過装置の実施形態の平面図（部分的に透視図）である。FIG. 3 is a plan view (partially in perspective) of another filtering device embodiment in accordance with the present disclosure; 線６－６に沿った図５の装置の断面図である。Figure 6 is a cross-sectional view of the device of Figure 5 along line 6-6 ; 本開示による更に別の濾過装置の実施形態の平面図（部分的に透視図）である。FIG. 10 is a plan view (partially in perspective) of yet another filtering device embodiment according to the present disclosure; 線８－８に沿った図２の装置の断面図である。Figure 8 is a cross-sectional view of the device of Figure 2 along line 8-8 ;

Claims

1. A molten metal filtration apparatus comprising a filtration chamber having a floor, a metal inlet, a metal outlet, and walls adapted to be defined by at least one filtration element, said filtration element comprising a plurality of interconnections. said filtering element defining said filtering chamber; and at least one heater device having a height within said filtering chamber equal to or below said filtering element. Molten metal filtering equipment located in

2. The apparatus of claim 1 , further comprising a heater device positioned over said filtering element.

2. The apparatus of claim 1 , comprising at least two heater devices, said heater devices having longitudinal axes, said longitudinal axes of said two heater devices being vertical.

2. The apparatus of claim 1 , wherein at least two heater devices are arranged at different heights.

5. A heater device according to claim 4 , wherein one heater device is arranged below the height of said filtering element and at least one heater device is arranged in at least substantially the same height plane as a part of said filtering element. device.

2. The apparatus of claim 1, wherein at least one heater device is positioned within an outlet channel of the apparatus.

Preheating and operating a molten metal filter box comprising providing a molten metal filtration apparatus comprising a filtration chamber having a floor, a metal inlet, a metal outlet, walls and a cartridge filter defining the walls. The method, wherein at least one first heater device is provided at a height within said filtration chamber equal to or below said cartridge filter, and at least one second heater device is provided at said provided in the lid of the box, both heater elements being effective for at least part of the preheating process and said at least one first heater device being effective during at least part of the casting cycle; Method.

8. The method of claim 7 , wherein the first heater device and the second heater device are operated at different temperatures simultaneously.

8. The method of claim 7 , wherein the second heater device is active during the preheating and holding steps and operated at a lower temperature during the casting step.