US1651492A - Process of desulphurizing molten metal and briquettes used therefor - Google Patents
Process of desulphurizing molten metal and briquettes used therefor Download PDFInfo
- Publication number
- US1651492A US1651492A US544332A US54433222A US1651492A US 1651492 A US1651492 A US 1651492A US 544332 A US544332 A US 544332A US 54433222 A US54433222 A US 54433222A US 1651492 A US1651492 A US 1651492A
- Authority
- US
- United States
- Prior art keywords
- molten metal
- desulphurizing
- metal
- used therefor
- media
- 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
Definitions
- Another method consists in making blocks of suitable size by means of suitable binding media such for example asghydraulic cement or lime, and 'a third method consists in forming the media into bricks by means 40 of a suitable binding medium such as tar and under high pressure.
- suitable binding media such asghydraulic cement or lime
- 'a third method consists in forming the media into bricks by means 40 of a suitable binding medium such as tar and under high pressure.
- the process of desulphurizing molten metal which consists. in associating with 60 an industrially conventional quantity of molten metal a single premelted and solidi-. fied lump-mixture of an alkali metal compound and of an alkaline earth metal com- 65 5.
- the process of desulphurizingv molten metal which consists in associating with a given quantity of the molten metal, a unitary premelted mass of a dry desulphurizing compound of alkali character and of predetermined size in proportion to the quantity of molten metal.
Description
Patented Dec. 6, 1927.
UNITED STATES PATENT OFFICE.
RICHARD R. WALTER, OF DUSSELDORF, GERMANY.
PROCESS OF DESULPHURIZING MOLTEN METAL AND BRIQUETTES USED THEREFOR.
Ho Drawing. Application filed March 16, 1922, Serial F0. 544,332, and in Germany April 8, 1921.
and I have found that when thus applying the said media to the metal the media are thrown moror less into the, surrounding. air by the gases generated from the liquid 7 metal and the whirls of air produced on the surface of the metal, which results in a loss of desulphurizing media and injury to the attendants. The object of the improvements is to obviate this Objectionable feature of' the rocess now in use, and with this object in view I form the said pulverulent or" crystalline matter into pieces ofgranular form, andthrowithe said pieces on the-surface of the metal. thus using the desulphurizing media they 5 melt on the surface of the metal without any loss. Furthermore the media melt with greater speed by reason of their" more 00- herent state and their increased heat conducting capacity..
In the practiceof my invention I use any known or preferred methods for thus forming the desulphurizing media into pieces. One method consists in melting the'media and casting the same in suitable moulds.
Another method consists in making blocks of suitable size by means of suitable binding media such for example asghydraulic cement or lime, and 'a third method consists in forming the media into bricks by means 40 of a suitable binding medium such as tar and under high pressure.
' I claim: 1
1. The process of desulphurizing 'ni olten pound. I have found that when metal, which consists in introducing an alkali metal compound as a cast piece of pre- 46 determined size in a quantity of molten metal.
X 2. The process of desulphurizing molten I metal, which consists in associating with an industrially conventional quantity of molten metal a single premelted and solidified portion ofan alkali metalcompound.
3. The process of desulphurizing molten metal, which consists in introducing in a quantity. of molten metal a mixture of an alkali metal compound-and an alkaline earth metal compound as a cast piece of predetermined size.
4. The process of desulphurizing molten metal, which consists. in associating with 60 an industrially conventional quantity of molten metal a single premelted and solidi-. fied lump-mixture of an alkali metal compound and of an alkaline earth metal com- 65 5. The process of desulphurizingv molten metal, which consists in associating with a given quantity of the molten metal, a unitary premelted mass of a dry desulphurizing compound of alkali character and of predetermined size in proportion to the quantity of molten metal.
6. The-herein described process of desuL phurizing-molten metal. which consists in associating with the molten metal, a desulphurizing media in the form of a piece sufficiently heavy to prevent its being thrown up from the surface of the molten metal by the gases generatedat the surface thereof and sufiiciently dry for prevention of an explosion.
7 2 'As a new articlev of manufacture a desulphurizing briquette composed of a completely fused compound of alkali character.
In' testimony whereof I aflix my signature.
RICHARD WALTER.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1651492X | 1921-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1651492A true US1651492A (en) | 1927-12-06 |
Family
ID=7738280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US544332A Expired - Lifetime US1651492A (en) | 1921-04-08 | 1922-03-16 | Process of desulphurizing molten metal and briquettes used therefor |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1651492A (en) |
-
1922
- 1922-03-16 US US544332A patent/US1651492A/en not_active Expired - Lifetime
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