US114158A - Improvement in tuyeres for cupola-furnaces - Google Patents
Improvement in tuyeres for cupola-furnaces Download PDFInfo
- Publication number
- US114158A US114158A US114158DA US114158A US 114158 A US114158 A US 114158A US 114158D A US114158D A US 114158DA US 114158 A US114158 A US 114158A
- Authority
- US
- United States
- Prior art keywords
- tuyeres
- furnaces
- cupola
- improvement
- furnace
- 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
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 239000011449 brick Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229910052570 clay Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 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
- My invention consists of a ,castiron tuyere made in the peculiar manner too fully explained hereafter to need preliminary description, for the purpose of introducing into the furnace blasts of a more efiicient character than are forced into ordinary furnaces of this class, and for the purpose of afibrdin g facilities for build ng the said tuyeres into the wall of the furnace.
- Figure 1 is a vertical section of part of a cupolafurnace illustrating my improved tuyeres Figure 2, a sectional plan on the line- 1 2, fig. 1;
- Figure 3 a perspective view of one of the tuyeres.
- A is the base plate of the cnpola, supported by brackets on columns B in the usual manner, and
- each tuyere being made of cast-iron and of the peculiar shape there shown-that is, with a large square base, a, united to and forming a part of the contracted upper portion 11 of the same length as the base, in which is the large iuyercdiole d, the contracted portion having atuyereliolevvhich deci easesiwwidth firom the bottom upward,
- tuyeres do not extend quite to the inner surface of the lining, but that they are there protected by a layer of clay.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
F. LAWRENCE. Improvement in Tuyeres for Cupola-Furnaces.
Patented April 25,1871.
WITNESSESE Z Z dinitdi $3125 FRANKLIN LAWRENCE, OF PHILADELPHIA, PENNSYLVANIA.
Letters Patent No.114,158, dated April 25, 1811.
IMPROVEMENT IN TUVERES FOR CUPOLA-FURNACES.
The Schedule referred to in these Letters Patent and making part of the lame.
I, FRANKLIN L'AwnnNon, of Philadelphia, county of Philadelphia, State of Pennsylvania, have invented an Improved 'luyere for Gupola-Furnaees, of which the following is a specification.
Nature and Object of the Invention.
My invention consists of a ,castiron tuyere made in the peculiar manner too fully explained hereafter to need preliminary description, for the purpose of introducing into the furnace blasts of a more efiicient character than are forced into ordinary furnaces of this class, and for the purpose of afibrdin g facilities for build ng the said tuyeres into the wall of the furnace.
Description of the Accompanying Drawing.
Figure 1 is a vertical section of part of a cupolafurnace illustrating my improved tuyeres Figure 2, a sectional plan on the line- 1 2, fig. 1; and
Figure 3, a perspective view of one of the tuyeres.
General Description.
A is the base plate of the cnpola, supported by brackets on columns B in the usual manner, and
Dis the brick lining of the furnace, inolosed by a casing, E, which extends to the base plate A, the in terior of the furnace being contracted at the lower end as usual, and an annular blast-chamber, F, being formed around this contracted portion of the furnace.
My improved tuyeres will be best understood by rel'erring to the perspective view, fig. 3, each tuyere being made of cast-iron and of the peculiar shape there shown-that is, with a large square base, a, united to and forming a part of the contracted upper portion 11 of the same length as the base, in which is the large iuyercdiole d, the contracted portion having atuyereliolevvhich deci easesiwwidth firom the bottom upward,
and which may be subdivided into any desired number of separate holes by webs or partitions e e, the sole object of 'which, however, is to strengthen the casting.
These tuyeres are built in the'lining of the contracted portion of the furnace, as shown infigs. 1 and 2, their holes forming the sole communication between the blast-chamber F and the interior of the furnace.
I have found by repeated and long-continued experiments that by so arranging. the tuyeres of cupolafurnaces that the volume of compressed air forced into the furnace is greater below than above, the effect as regards the reduction of the metal is much more rapid than when the blast is admitted in the usual manner through round holes; and in carrying out this principle I have found that cast-iron tnyeres of the form shown in fig. 3 are both efficient and economical, for while the holes are so arranged that the blast through them decreases in volume from the base upward, the exterior of the tuyeres is of such shape as to admit of their being easily built in and form a part of the lining.
It should be understood that the tuyeres do not extend quite to the inner surface of the lining, but that they are there protected by a layer of clay.
Claim.
witnesses.
V FRANK. LAWRENCE. Witnesses: l
WM. A. STEEL,
HARRY SMITH.
Publications (1)
Publication Number | Publication Date |
---|---|
US114158A true US114158A (en) | 1871-04-25 |
Family
ID=2183621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US114158D Expired - Lifetime US114158A (en) | Improvement in tuyeres for cupola-furnaces |
Country Status (1)
Country | Link |
---|---|
US (1) | US114158A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060209675A1 (en) * | 2003-07-04 | 2006-09-21 | Caroline Jacobson | Indicating availabiliy status of services provided by a mobile communication network |
-
0
- US US114158D patent/US114158A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060209675A1 (en) * | 2003-07-04 | 2006-09-21 | Caroline Jacobson | Indicating availabiliy status of services provided by a mobile communication network |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US114158A (en) | Improvement in tuyeres for cupola-furnaces | |
US1267005A (en) | Blast-furnace operation. | |
US1039282A (en) | Blast-furnace. | |
US324623A (en) | Cupola-furnace | |
US64645A (en) | James dougherty | |
US336749A (en) | Blast fuknage | |
US645746A (en) | Cupola. | |
US114422A (en) | Improvement in cupola-furnaces | |
US197010A (en) | Improvement in blast-furnaces | |
US1847710A (en) | Furnace | |
US129151A (en) | Improvement in cupola furnaces for melting iron | |
US1101700A (en) | Bosh-plate for blast-furnaces and the like. | |
US495675A (en) | Blast-furnace | |
US983633A (en) | Blast-furnace stove. | |
US328042A (en) | Combined cupola-furnace and converter | |
US334015A (en) | Tapping-hole for furnaces | |
US554457A (en) | Pneumatic converter | |
USRE6608E (en) | Improvement in limekilns | |
US638541A (en) | Cupola-furnace. | |
US1543970A (en) | Furnace construction | |
US685499A (en) | Blast-furnace. | |
US124467A (en) | Improvement in smelting-furnaces | |
US143487A (en) | Improvement in blast-furnaces | |
US142716A (en) | Improvement in furnaces for producing malleable iron | |
US77795A (en) | Federal c |