US24766A - Improvement in refining iron - Google Patents
Improvement in refining iron Download PDFInfo
- Publication number
- US24766A US24766A US24766DA US24766A US 24766 A US24766 A US 24766A US 24766D A US24766D A US 24766DA US 24766 A US24766 A US 24766A
- Authority
- US
- United States
- Prior art keywords
- hearth
- improvement
- metal
- blast
- iron
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 8
- 238000007670 refining Methods 0.000 title description 8
- 229910052742 iron Inorganic materials 0.000 title description 4
- 239000002184 metal Substances 0.000 description 24
- 229910052751 metal Inorganic materials 0.000 description 24
- 229910000805 Pig iron Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910000499 pig iron Inorganic materials 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- 239000011449 brick Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 235000011089 carbon dioxide Nutrition 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 240000003936 Plumbago auriculata Species 0.000 description 2
- 241000282898 Sus scrofa Species 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000994 depressed Effects 0.000 description 2
- 230000003292 diminished Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
Images
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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
Definitions
- v My improvement consists in the use of an outside or auxiliary hearth placed at a convenient distance from the base ofblast-furnace,
- the hearth can be made of the same material that the hearths of the ordinary blast-furnaces are made; or they can be made of other compact material, using the common fire-proof brick for lining and a cast-metal plate for a covering or top plate, with the necessary conductors or iues to enable the carbonic-acid gas and other impurities to escape, which are generated and emitted in the decarbonizing of the metal; 0r it may be made of castmetal plates with lining of fire-proof bricks, with the metal top above described.
- A is the reception gutter, formed in the ground for conducting the metal from the hearth of the blast-furnace into the auxiliary hearth.
- B is the tapping-hole at the bottom of the auxiliary hearth, through which the metal is drawn to be molded into pig-iron.
- C is apermanent tuyere, made of graphite, plumbago, or any other incombustible material, made to dip into the molten metal, which is protected at its nozzle by the upright stone D, or in mason-work arranged in such a manner as to receive the blast-pipe, and to produce the desired deflection of the blast in the hearth during the rening process.
- D is an upright stone projecting from and forming a part of the bottom ofthe auxiliary hearth, placed at a convenient angle with the sides of the hearth, which not only acts as a protector to the nozzle of the tuyere-pipe from the pressure of the metal entering the auxiliary hearth, but against which the blast from the tuyere-pipe is directed, so as to give the metal entering the hearth a spiral motion,and keeping it in circulation until the iron in the hearth has passed through the boiling or reiining process, and ready to be withdrawn and cast into pig.
- E E E are three conductors or ilues, through which the carbonic-acid gas and other impurities generated and emitted from the meta-l in its refinement escape.
- auxiliary hearth nor the precise Inode of applying the tuyere therein. They may be enlarged or diminished to suit the size or capacity of the hearth in the blast-furnace.
- the hearth Inay be made square, round, 0r octagon to suit the taste of the builders.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Description
CHRISTIAN sHUNK,
PATENT OFFICE,
OF CANTON, OHIO.
IMPROVEMENT IN REFINING IRON.
Specification forming part of Letters Patent No. 24,766. datcd July 12, 1859.
T0 all whom it may con/cern,.-
Beit known that I, CHRISTIAN SIIUNK, of the town of Canton, in the county of Stark, in the State of Ohio, have invented a new and useful improvement for the refining and decarbonizing liquid or molten metal after being drawn from the hearth of the common blastfurnace in the manufacture of pig-iron from the ore, of which the following isa specification.
v My improvement consists in the use of an outside or auxiliary hearth placed at a convenient distance from the base ofblast-furnace,
so depressed in the earth that a gutter from the tapping-notch in the hearth ofthe blast-furnace will conduct the molten metal to the receptionopenin g in the auxiliary hearth near the metal line, when my auxiliary tuyere-pipe is employed for the introduction of a current of atmosphericair for the refining and decarbonizing the liquid metal as it enters into the auxiliary hearth before its being cast into pig- Iron.
The hearth can be made of the same material that the hearths of the ordinary blast-furnaces are made; or they can be made of other compact material, using the common fire-proof brick for lining and a cast-metal plate for a covering or top plate, with the necessary conductors or iues to enable the carbonic-acid gas and other impurities to escape, which are generated and emitted in the decarbonizing of the metal; 0r it may be made of castmetal plates with lining of fire-proof bricks, with the metal top above described.
A is the reception gutter, formed in the ground for conducting the metal from the hearth of the blast-furnace into the auxiliary hearth. B is the tapping-hole at the bottom of the auxiliary hearth, through which the metal is drawn to be molded into pig-iron. C is apermanent tuyere, made of graphite, plumbago, or any other incombustible material, made to dip into the molten metal, which is protected at its nozzle by the upright stone D, or in mason-work arranged in such a manner as to receive the blast-pipe, and to produce the desired deflection of the blast in the hearth during the rening process.
D is an upright stone projecting from and forming a part of the bottom ofthe auxiliary hearth, placed at a convenient angle with the sides of the hearth, which not only acts as a protector to the nozzle of the tuyere-pipe from the pressure of the metal entering the auxiliary hearth, but against which the blast from the tuyere-pipe is directed, so as to give the metal entering the hearth a spiral motion,and keeping it in circulation until the iron in the hearth has passed through the boiling or reiining process, and ready to be withdrawn and cast into pig.
E E E are three conductors or ilues, through which the carbonic-acid gas and other impurities generated and emitted from the meta-l in its refinement escape.
I do not confine myself to the precise form or size of the auxiliary hearth, nor the precise Inode of applying the tuyere therein. They may be enlarged or diminished to suit the size or capacity of the hearth in the blast-furnace. The hearth Inay be made square, round, 0r octagon to suit the taste of the builders.
XVhat I claim as my invention and improvement, and for which I desire to obtain Letters Patent, is-
The use of the external Crucible or hearth, having the tuyerc-pipe O, the projecting stone D, and the escape-pipe E, `constructed as described, operating in such a manner that the blast shall deiiect from the side of the upright sto-ne and produce a rotary movement in the melted metal for the purpose of refining the same, as specified. i
CHRISTIAN SHUNK. Vtnesses:
DANIEL McCooK, JoIzIN S. HoLLINesHEAD.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US24766A true US24766A (en) | 1859-07-12 |
Family
ID=2093129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US24766D Expired - Lifetime US24766A (en) | Improvement in refining iron |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US24766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479538A (en) * | 1981-06-22 | 1984-10-30 | Bilco Tools, Inc. | Casing scraper and method for making the same |
-
0
- US US24766D patent/US24766A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479538A (en) * | 1981-06-22 | 1984-10-30 | Bilco Tools, Inc. | Casing scraper and method for making the same |
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