US157090A - Improvement in brick-kilns - Google Patents

Improvement in brick-kilns Download PDF

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US157090A
US157090A US157090DA US157090A US 157090 A US157090 A US 157090A US 157090D A US157090D A US 157090DA US 157090 A US157090 A US 157090A
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chamber
air
fire
openings
brick
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002Supplying water
    • F23L7/005Evaporated water; Steam

Description

- 2Sheets--S'heetI.

W. S. CULWELL.

Brick-Kilns. N0,157,090, I Patented Nov. 24, 1874.

WITNESSES QNBMNNXWQ W (6 32332701? By- I UNITED STATES PATENT OFFIcE.

WILLIAM s. ooLwELL, or ALLEGHENY, PENNSYLVANIA.

IMPROVEMENT IN BRICK-KILNS.

Specification forming part of Letters Patent No.157,090, dated November 24, 1874; application filed October 14, 1874.

.To all whom it may concern:

Be it known that 1, WILLIAM S. OoLWELL, of Allegheny, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Apparatus and Process for Burning Brick; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing and to the letters of reference marked thereon.

My invention relates to an improvement in apparatus'and process for burning brick and generating heat for other purposes; and consists in a furnace having a fire chamber or chambers, in combination with combustionchambers having air-inlets and air-distributin g flues so disposed with relation to the fire chamber or chambers and the combustion-chambers that the air is conveyed to and mixed with the products obtained from the burning fuel without undue rarefication, in contradistinction to the use of heated air, the whole being constructed, combined, and applied, with relation to the brick-kiln or other place or thing to be heated, that it will receive the greatest amount of heat that can possibly be obtained from the kind of fuel used.

To enable others skilled in the art with which it is most nearly connected to make and use my invention, I will proceed to describe its construction and operation.

In the accompanying drawing, which forms part of my specification, Figure 1 is a perspective view of my apparatus for burning brick. Fig. '2 is a top view or plan of the same, showin g the crown of the fire and combustion-cham bers removed. Fig. 3 is a vertical section of the combustion-chambers at line y of Fig. 1. Fig. 4 is a vertical section of the fire and combustion chambers at line y of Fig. 1.

In the accompanying drawings, A represents an ordinary brick-kiln constructed in the usual manner, excepting that the openings for the fire-arches are provided with fire-tile cutoff valves which are susceptible of being adjusted so as to open and close the openings of said fire-arches. Another exception in the construction of the kiln A consists in a series of abutments, X, projecting from its walls for the upright timbers to rest on for the roof which covers the kiln used for protecting it from the rain or snow. B represents the furnaces, which are furnished with grate-bars of ordinary construction and an air distributing device, D,-which is pivoted on crank-bars e and c, which are placed in slots f. To one end of the crank-bar c is secured a crank, z, to which is pivoted a connecting-rod, 0, furnished with the air-distributer to any desired amount of fuel and fire which may be on the gratebars, or the varying conditions of the fuel and fire thereon, whereby the proper quantity of air can be furnished suitable to the condition of the furnace for facilitating the consumption of the fuel and for insuring perfect combustion.

1n the rear of the grates and the air-distributer D is arranged a perforated bridgewall, I, constructed of cast or wrought iron. This hollow and perforated bridge-wall receives a supply of air through openings h placed on each side of the furnace B, arranged as indicated at h in Fig. 1. The air passing through openings h enters the cavity 8 of the bridgewall I, and, passing through the small openings in it, mixes with the flame, smoke, and gases as they pass into the spreading-chamber 1 formed by the inclined wall a arranged in the rear of the opening m. The end walls t are also inclined.

By this arrangement of the hollow perforated bridge-wall l, openings h, and spreadingchamber l, cold air, in contradistinction to hot air, is mixed with the flame, smoke, and gases of the fire as they leave the furnace of the firechamber B, and the flame, smoke, gases, and air commingled strike the inclined wall a, are spread out in the chamber l, and caused to pass over the top edge of the wall a in a thin sheet down into the combustion-chamber O. The combustion chamber 0 communicates with the combustion-chamber P by means of openings m at the base of the partition-wall g. The openings m gradually increase in size from the center of the furnace to the right and left of it. In the partition-wall g, at its junctions with the crowns of the chambers O and P, is an air-chamber, t, which extends the entire length of the wall. This chamber t communicates with the combustionchambers O and P by means of openings 0 and s, as as shown in Figs. 3 and 4. The openings 8 are arranged midway between the openings 1'. Air is admitted to the chamber t by means of a series of openings, f, and flues u at suitable intervals in the outer walls of the combustionchamber 0. The mouths of the fire-arches n of the kiln A are provided with cut-0ff gates 12, constructed of fire-tile, to which is secured rods w, provided with notches, which catch on a flange projecting from the side walls of the kiln A, as shown in Figs. 1 and 3. The openings g in the walls of the combustion-chambers O and P are called peepholes, and used for the purpose of examining the condition of things in the combustion-chambers and fire-arches of the kiln.

The skillful mechanic will, from the foregoing description and accompanying drawin gs, be enabled to construct my improvement in apparatus for burning brick. I will there fore proceed to describe its operation, which is as follows: Fire is made in the furnace B. The air-distributers D are adjusted so as to distribute the proper amount of air to the flame, smoke, and gases caused by the consuming of the fuel used. The smoke, gases, and flame in passing through the opening m and over the hollow bridge-wall will receive a fresh supply of air distributed in jets among the flame, smoke, and gases by means of the perforated bridge-wall l. They their strike against the wall it, and are spread out in the chamber l. They then pass over the top edge of the wall a in a thin sheet down into the combustion-chamber O, as indicated by arrows marked 1, and in their passage down into the chamber air is again mixed with them, by air which passes out from the chant ber t through the openings 8. They then pass from the chamber 0 through openings m into the general receiving and combustion chamber P, and passing up into it, as indicated by arrows marked 2, come in contact with air, as indicated by arrows 5, issuing out of the opening 1" of chamber t, and then return down into chamber 0, as indicated by arrows 3, enter the fire-arches a, as indicated by the arrow marked 4. The flow of heat into the fire arches n from the chamber P is controlled by means of the fire-tile cut-01f gates, by which the operator can also regulate the heat in diiferent parts of the kiln A, and to the condition of the brick in the different parts of it.

It will be observed that two furnaces are used, but each furnace must have a chamber, Z, wall a, and chamber 0 communicating with the general receiving and combustion chamber. P.

The skillful mechanic will readily understand that the furnaces B may be connected directly with the general receiving and combustion chamber P. By such arrangement a good result will be obtained, but not so good as by the arrangement hereinbefore described.

Having thus described my improvement, what I claim as of my invention is-- 1. In a furnace, the air-distributors D, adjustable with relation to the fire-grate, substantially as herein described, and for the purpose set forth.

2. In a furnace, the combination of the distributers D, fire-grate, and hollow perforated bridge-wall l, substantially as described, and for the purpose set forth.

3. The furnaces B, having chambers l and O, in combination with a general receiving and combustion chamber, P, substantially as herein described, and for the purpose set forth.

I. S. COLWELL.

Witnesses:

JAMES J. JOHNSTON, JOHN L. KERR.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030026281A1 (en) * 2001-07-20 2003-02-06 Limaye Pradeep Shrikrishna Interlocking SONET/SDH network architecture
US20040073797A1 (en) * 2002-10-08 2004-04-15 Fascenda Anthony C. Localized network authentication and security using tamper-resistant keys
US20050071385A1 (en) * 2003-09-26 2005-03-31 Rao Bindu Rama Update package catalog for update package transfer between generator and content server in a network

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030026281A1 (en) * 2001-07-20 2003-02-06 Limaye Pradeep Shrikrishna Interlocking SONET/SDH network architecture
US20040073797A1 (en) * 2002-10-08 2004-04-15 Fascenda Anthony C. Localized network authentication and security using tamper-resistant keys
US20050071385A1 (en) * 2003-09-26 2005-03-31 Rao Bindu Rama Update package catalog for update package transfer between generator and content server in a network

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