US5270A - Constbtjction of limekilns - Google Patents
Constbtjction of limekilns Download PDFInfo
- Publication number
- US5270A US5270A US5270DA US5270A US 5270 A US5270 A US 5270A US 5270D A US5270D A US 5270DA US 5270 A US5270 A US 5270A
- Authority
- US
- United States
- Prior art keywords
- arches
- mass
- casing
- lime
- air
- 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
- 235000019738 Limestone Nutrition 0.000 description 12
- 239000006028 limestone Substances 0.000 description 12
- 239000004575 stone Substances 0.000 description 12
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 10
- 235000015450 Tilia cordata Nutrition 0.000 description 10
- 235000011941 Tilia x europaea Nutrition 0.000 description 10
- 239000004571 lime Substances 0.000 description 10
- 206010022000 Influenza Diseases 0.000 description 8
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 208000008454 Hyperhidrosis Diseases 0.000 description 2
- 241000758789 Juglans Species 0.000 description 2
- 235000009496 Juglans regia Nutrition 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N Sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 208000006379 Syphilis Diseases 0.000 description 2
- 230000001174 ascending Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000003467 diminishing Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000035900 sweating Effects 0.000 description 2
- 235000020234 walnut Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/70—Furnaces for ingots, i.e. soaking pits
Definitions
- (A A) represents a structure of lime Stone raised in a peculiar manner. I do not confine it to any particular shape or dimensions, though I have considered it better for purposes of convenience, to build it with reference to its external configuration, similar to a truncated pyramid, in the following manner.
- the site of the structure I make out on a level piece of land in the form of a rectangle. Beginning at either of the angles of the figure, I measure off length- Wise of the site, suitable widths (B B B B B) Fig. 2 for the fire places or arches, and excavate them to the depth of about ten inches, inclining the sides inward during the operation in order that the full force of the fire, may act upon the mass of stone immediately above.
- I build abutments (D D,), and on the spaces between the excavations I build piers (E E E E) extending the same height as the abutments (about three feetg) the sides of the abutments nextto the excavations as also the sides of the piers, forming corresponding angles with the sides of the excavations, thus forming the arches (C C C C C Fig. 1,) as will be perceived, wider at the bottom than the top.
- the piers and abutments are built of large blocks of limestone, and sufliciently strong to sustain the superincumbent weight of the mass.
- the arches are then covered by laying across them a series of longitudinal courses of large blocks of lime stone; the inside courses to be laid a little apart, in order that t-he spaces between them may form conducting passages or ramifying channels through which the heat ascending from the arches may circulate throughout the mass;' while the outside' course must be laid as close as possible to prevent the escape of the heat. Similar courses are successively laid on, a
- This mass of lime stone can be converted into lime without the intervention of a kiln generally employed to effect that object, thereby saving a large proportion of the expense and trouble encountered in its erection, as follows: At the termination of the excavations and in the center thereof, on either side of the mass, I cut drills or air flues (H H H H H) extending a distance of four or five feet from the structure, for the purpose of creating a draft through the arches, to prevent them from choking, and also to regulate the force of the fire as their openings can be closed or opened, thereby increasing or diminishing the'draft as circumstances may require.
- a casing made of plank or fence rails, or any timber deemed appropriate for that purpose, the same being situated about three feet from it and equally as high as the structure.
- the opening of the arches and also the air flues (H H H H) are covered by fiat stones; the extremities of the air fiues being left open.
- the air flues are closed temporarily by placing small stones against them, and a small quantity of fuel isthrown into the arches, and a moderate fire kept up for twenty-four hours, or until the niter is exhausted which is readily ascertained by any one skilled in the art of lime burning.
- the stoppages are removed from the air fines, and a hotter fire is applied and kept up twenty four hours, care being taken not to heat the mass too much, as the stone in that case would be liable to fuse and block up the channels, thereby preventing the diffusion of the heat.
- the fuel is then applied to the arches on the same side of thestructure from which the casing has been removed; the stones hereinbefore referred to as covering the arches being taken aWay for that purpose.
- the fire is continued for about tvventy four hours Which operation completes the proc- I ess of converting the structure into lime.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Fuel Combustion (AREA)
- Building Environments (AREA)
Description
Patentedl Aug. 4 1847,
v1. HyowER.
Llme Klln.
JACOB H. BOI/VER, OF WALNUT, PENNSYLVANIA.
CONSTRUCTION 0F LIMEKILNS.
Specification of Letters Patent No. 5,270, dated September 4, 184'?.
To all fwwm t may concern:
Be it known that I, JACOB H. BOWER, of Walnut, in the county of Juniata and State of Pennsylvania, have invented a new and useful Improvement in the Mode of Burning Lime; and I do hereby declare that the following is a full, clear, and perfect description of the same, reference being had to the accompanying drawings, making apartof this specification, in which- 'Figure 1` is an elevation; Fig. 2 a plan. To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.
(A A) represents a structure of lime Stone raised in a peculiar manner. I do not confine it to any particular shape or dimensions, though I have considered it better for purposes of convenience, to build it with reference to its external configuration, similar to a truncated pyramid, in the following manner. The site of the structure I make out on a level piece of land in the form of a rectangle. Beginning at either of the angles of the figure, I measure off length- Wise of the site, suitable widths (B B B B B) Fig. 2 for the fire places or arches, and excavate them to the depth of about ten inches, inclining the sides inward during the operation in order that the full force of the fire, may act upon the mass of stone immediately above. At the extreme ends of the structure, I build abutments (D D,), and on the spaces between the excavations I build piers (E E E E) extending the same height as the abutments (about three feetg) the sides of the abutments nextto the excavations as also the sides of the piers, forming corresponding angles with the sides of the excavations, thus forming the arches (C C C C C Fig. 1,) as will be perceived, wider at the bottom than the top. The piers and abutments, are built of large blocks of limestone, and sufliciently strong to sustain the superincumbent weight of the mass. The arches are then covered by laying across them a series of longitudinal courses of large blocks of lime stone; the inside courses to be laid a little apart, in order that t-he spaces between them may form conducting passages or ramifying channels through which the heat ascending from the arches may circulate throughout the mass;' while the outside' course must be laid as close as possible to prevent the escape of the heat. Similar courses are successively laid on, a
little care being taken to continue the conducting channels durin the raising of the mass, until it is carrie up as high as desirable, when the smaller stones or fragments accumulated in the quarrying or building are thrown or piled on the top. 1
This mass of lime stone can be converted into lime without the intervention of a kiln generally employed to effect that object, thereby saving a large proportion of the expense and trouble encountered in its erection, as follows: At the termination of the excavations and in the center thereof, on either side of the mass, I cut drills or air flues (H H H H H) extending a distance of four or five feet from the structure, for the purpose of creating a draft through the arches, to prevent them from choking, and also to regulate the force of the fire as their openings can be closed or opened, thereby increasing or diminishing the'draft as circumstances may require.
In order to confine the heat to the structure, three sides of it must be encompassed by a casing (I I) made of plank or fence rails, or any timber deemed appropriate for that purpose, the same being situated about three feet from it and equally as high as the structure. The opening of the arches and also the air flues (H H H H) are covered by fiat stones; the extremities of the air fiues being left open. When the space ineluded between the lime stone structure and t-he casing, is filled in with earth taken from around the casing, and compressed by walking upon it or otherwise. The excavation made in procuring this filling, forms a ditch K preventing the water in case of rain from flowing into the arches throu h the air iues. The mass being now rea y for the process designated sweating, the air flues are closed temporarily by placing small stones against them, and a small quantity of fuel isthrown into the arches, and a moderate fire kept up for twenty-four hours, or until the niter is exhausted which is readily ascertained by any one skilled in the art of lime burning. After this process the stoppages are removed from the air fines, and a hotter lire is applied and kept up twenty four hours, care being taken not to heat the mass too much, as the stone in that case would be liable to fuse and block up the channels, thereby preventing the diffusion of the heat. This operation does not burn the whole of the mass and thereforeto insurea thorough burning other air similar to those already described, are out` in the same manner on the opposite side thereof at the end of the excavations (B B) and immediately opposite the air lues (H H H H The casing (I, I) is then removed and set up on the same side of the structure asthat on Which the last mentioned air iues have been cut, and the opening of the arches on this side being covered, as also the air flues in the manner hereinbefore referred to, the space comprehended between the casing (I, I) is 'then filled in With earth and managed as aboved'escribed. The fuel is then applied to the arches on the same side of thestructure from which the casing has been removed; the stones hereinbefore referred to as covering the arches being taken aWay for that purpose. The fire is continued for about tvventy four hours Which operation completes the proc- I ess of converting the structure into lime.
The casing is then taken down, Yand the Whole structure is a solid mass of lime, as
will be readily perceived, accessible on all Combining such arrangement or disposition of the lime stone with a temporary casing or kiln in the manner above specilied, by means of Which I obviate the diliculty and expense incurred in the erection of a permanent kiln.
JACOB H. BOWER. Witnesses:
vRICHARD D. LODER, ANDREW SHovER.
Publications (1)
Publication Number | Publication Date |
---|---|
US5270A true US5270A (en) | 1847-09-04 |
Family
ID=2065571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US5270D Expired - Lifetime US5270A (en) | Constbtjction of limekilns |
Country Status (1)
Country | Link |
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US (1) | US5270A (en) |
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0
- US US5270D patent/US5270A/en not_active Expired - Lifetime
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