Foil bag, carbon containing nipple, nipple kit, carbon containing electrode, electrode kit, electrode-nipple system, furnace and method of operating the furnace

Patent metadata

Field	Value
Publication number	US-2016174303-A1
Application number	US-201615049748-A
Country	US
Kind code	A1
Filing date	Feb 22, 2016
Priority date	Aug 20, 2013
Publication date	Jun 16, 2016
Grant date	—

Abstract

A carbon-containing nipple has a nipple thread for carbon-containing electrodes. The nipple has an inlet formed in the nipple thread and the inlet is suitable for receiving an adhesive container filled with a curable adhesive. Preferably, the inlet is a groove which runs through the nipple thread in a transverse manner and is undercut at least in sections. A nipple kit contains such a nipple and the adhesive container containing the adhesive for securing a nipple/electrode connection, wherein the adhesive container is disposed in the inlet. The nipple kit can be used in conjunction with a carbon-containing electrode for use in arc furnaces.

First claim

1 . A foil bag, comprising:
at least one lamination foil containing at least two laminated plastic foils or at least one plastic foil and at least one metal foil; and an adhesive, namely a liquid or pasty, thermally or chemically curing adhesive for securing an electrode/nipple connection disposed in said lamination foil.

2 . The foil bag according to claim 1 , wherein the foil bag is a single-chamber bag or a multi-chamber bag.

3 . The foil bag according to claim 1 , wherein said lamination foil has at least one weakening area, namely a perforated area, and/or the at least one weakening line, namely a perforated line, that extends substantially from one end of the foil bag to an opposite end and/or is present on a same side of the foil bag.

4 . The foil bag according to claim 1 , wherein said adhesive is an adhesive mixture containing:
at least one resin basis; at least one pitch basis; and at least one filler material containing graphite and/or soot particles with an average particle size of smaller or equal to 0.5 mm and at least one hardening agent.

5 . The foil bag according to claim 1 , wherein said adhesive is an adhesive mixture kit, in which a hardening agent forms a separate component.

6 . A foil bag configuration, comprising:
at least two foil bags disposed in series and connected to each other, each of said foil bags containing at least one lamination foil formed from at least two laminated plastic foils or at least one plastic foil and at least one metal foil and an adhesive, namely a liquid or pasty, thermally or chemically curing adhesive for securing an electrode/nipple connection disposed in said lamination foil.

7 . A carbon-containing nipple, comprising:
at least one nipple thread for carbon-containing electrodes and selected from the group consisting of a cylindrical double-thread nipple and a double-conical double-thread nipple, said nipple thread having at least one inlet formed therein and suitable for receiving at least one adhesive container filled with a curable adhesive, said inlet being in a form of a groove running across said nipple thread substantially perpendicular to said nipple thread, wherein said groove is undercut at least in sections.

8 . A nipple kit, comprising:
at least one carbon-containing nipple for carbon-containing electrodes, said carbon-containing nipple having at least one nipple thread with at least one inlet formed therein being a groove running across said nipple thread in a substantially perpendicular direction to said nipple thread; and at least one adhesive container disposed in said inlet, said adhesive container containing a liquid or pasty thermally and/or chemically curing adhesive for securing of an electrode/nipple connection, said adhesive container having at least one weakening area and/or at least one weakening line extending from one end of said adhesive container to an opposite end of said adhesive container and/or formed on a same side of said adhesive container.

9 . The nipple kit according to claim 8 , wherein said at least one inlet has two grooves, a first groove of said grooves is undercut and a second groove said grooves is not undercut.

10 . The nipple kit according to claim 8 , wherein said adhesive container disposed in said one inlet is dimensioned in such a way that said adhesive container protrudes at least in sections over said nipple thread, whereby said weakening area and/or said weakening line is substantially positioned in that part of said adhesive container that is protruding over said nipple thread.

11 . A carbon-containing electrode for arc furnaces, comprising:
at least one electrode box having a box thread, said box thread having at least one inlet formed therein suitable for receiving at least one adhesive container containing a liquid or pasty thermally and/or chemically curing adhesive for securing an electrode/nipple connection, whereby said inlet is a groove running across said box thread, transversely to said box thread.

12 . The electrode according to claim 11 , further comprising a further thread, selected from the group consisting of a nipple thread and a further box thread, positioned opposite to said electrode box with said box thread, said further thread having at least one further inlet formed therein running across said further thread substantially perpendicular to said further thread.

13 . An electrode kit, comprising:
at least one electrode box having a box thread, said box thread having at least one inlet formed therein, said inlet is a groove running across said box thread and transversely to said box thread; and at least one adhesive container disposed in said box thread and containing a liquid or pasty thermally and/or chemically curing adhesive for securing an electrode/nipple connection.

14 . The electrode kit according to claim 13 , wherein said adhesive container has at least one weakening area, namely a perforated area, and/or at least one weakening line, namely a perforated line, extending from one end of said adhesive container to an opposite end of said adhesive container and/or formed on a same side of said adhesive container.

15 . The electrode kit according to claim 14 , wherein:
said adhesive container is disposed in said groove and dimensioned in such a way that said adhesive container protrudes at least in sections over said box thread; and at least one of said weakening area or said weakening line is substantially positioned in that part of said adhesive container that is protruding over said box thread.

16 . An electrode/nipple system, comprising:
a carbon-containing nipple containing at least one nipple thread and selected from the group consisting of a cylindrical double-thread nipple and a double-conical double-thread nipple; at least one electrode box having a box thread, said carbon-containing nipple being screwed into said electrode box during a screwing in process; at least one of said nipple thread or said box thread having at least one inlet formed therein; and at least one adhesive container containing a liquid or pasty thermally and/or chemically curing adhesive for securing said electrode box to said carbon-containing nipple, during the screwing in process said adhesive container being at least partial destroyed in an area of a weakening area or a weakening line, and involving a release of said adhesive.

17 . The electrode/nipple system according to claim 16 , wherein said weakening area is a perforated area and said weakening line is a perforated line, and substantially extends from one end of said adhesive container to an opposite end of said adhesive container, and/or are positioned on a same side of said adhesive container.

18 . The electrode/nipple system according to claim 16 , wherein:
said adhesive container is disposed in said inlet and said inlet is a groove, said adhesive container is dimensioned such that prior to or during the screwing-in process of said nipple thread into said box thread, said adhesive container protrudes at least in sections over said nipple thread or said box thread; and at least one of said weakening area or said weakening line is substantially positioned in an area of said adhesive container that is protruding over said nipple thread or said box thread.

19 . The electrode/nipple system according to claim 16 , wherein:
said adhesive container is one of a plurality of adhesive containers; said inlet includes a plurality of grooves, said adhesive containers are disposed in said grooves and are dimensioned such that prior to or du

Assignees

• Sgl Carbon Se

Inventors

• Werner Franz-Xaver
• Christ Martin
• Fischer Stefan
• Richter Norbert

Classifications

• B65D35/02

  Body construction · CPC title

• B65D33/008

  Individual filled bags or pouches connected together (B65D33/001, B65D33/002 take precedence) · CPC title

• B65D85/70

  for materials not otherwise provided for · CPC title

• H05B7/102

  specially adapted for consumable electrodes · CPC title

• B65D11/16

  with double walls · CPC title