US394622A - Pottery-kiln - Google Patents

Pottery-kiln Download PDF

Info

Publication number
US394622A
US394622A US394622DA US394622A US 394622 A US394622 A US 394622A US 394622D A US394622D A US 394622DA US 394622 A US394622 A US 394622A
Authority
US
United States
Prior art keywords
kiln
oven
pottery
draft
annular
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
Application number
Publication date
Application granted granted Critical
Publication of US394622A publication Critical patent/US394622A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/36Arrangements of heating devices

Description

A. SNOW.
POTTERY KILN.
(No Model.)
UNITED STATES PATENT OFFICE.
ARTHUR SNOV, OF CHAMBERSBURG, ASSIGNOR OF ONE-HALF TO J OSEPII S. MAYER, OF VHITE HILL, NEV JERSEY.
POTTERY-KILN.
SPECIFICATION forming part of Letters Patent No. 394,622, dated December 18, 1888.
Application filed "eptembf 20,1887. Serial No. 250,243. (No model.)
To all whom it may concern.-
Be it known that I, ARTHUR SNOW, a citizen of the United States, residing at Chambersburg, in the county of Mercer and State of New Jersey, have invented a new and useful Improvement in Downdrat't Pottery-Kilns, of which the following is a specification.
My invention relates to an improvement in pottery-kilns, wherein the heat from the lires after `filling the oven of the kiln impinges against the crown and is deflected and drawn downward by a special arrangement of flues. The division of the space under the oven- [ioor of downdraft kilns into an upper and a lower draft-chamber has heretofore been formed by the very expensive process of springing an arch between them.
One object of my invention is by a novel construction of the lower chamber to supersede the use of this arch by simpler and less expensive construction. Secondly, the downdraft kilns as heretofore constructed return the draft to the uptake either by an annular iiue built within the oven or by external chimneys, sometimes one of these latter being employed, but never more than two of them. The objection to the annular ilue is the great expense entailed in construction, the reduction of the oven-space of the kiln caused by its insertion therein, and the enormous expense entailed in its application to changing the old direct-draft kiln into the modern downdraft kiln; also reducing the oven-space in the transformation. The objection to either one or two external chimneys is, that the central portion of the kilnoven between the two chimneys (owing to the fact that draft inevitably takes the shortest cut in its exit) receives more than its.
quota of heat, while the space on each side will have its quota proportionately lessened, resulting in an unequal and detrimental bu rning of the ware.
The object of the second part of my invention is to obviate these defects.
The rst part of my invention consists in dividing` the lower or return draft-chamber into two annular compartments, whereby an intermediate wall is provided to support the properly-shaped fire-clay blocks of which I form the division between the upper and lower draft-chambers.
The second part of my invention consists in connecting my annular return-nues with three or more external chimneys, to insure a more equal distribution of heat in the kiln- Oven, three being shown in the drawings accompanying this specification for convenience of illustration.
I attain these objects by the mechanism illustrated in the accompanying drawings, in which- Figure l is a vertical section of my improved kiln, taken on line l 2 3. Fig. 2 is a transverse section of the kiln, taken on the line et 5 of Fig. l, showing the construction of my return-draft chamber.
Similar letters refer to similar parts throughout the several views.
A, Fig. l, is the oven of the kiln, wherein the saggers containing ware to be burned are placed.
B is one of ten similar lires used for heating oven A.
B ,is one ol' ten similar ilues through which the heat from iire B passes into the oven A adjacent to its periphery.
Ba is a ue common to the ten lires B, through which the heat from lires passes into the central portion of oven A. It is connected with fires by flue B3.
B4 is the lower return-draft chamber divided into liues F F by the annular wall E3, inserted therein as a support for the plates of fire-brick .which form the division between the upper and lower draft-chambers.
C is a sight-hole for observing the progress of fire B.
D is a damper operated from the outside of kiln. Its object is to allow the smoke to escape from the oven A until the fires are 'fairly started, when it is closed and the combustion is carried on through the downdraft iiues and chimneys.
E E E2 are three downdraft flues in free connection with the two annular feeder-flues F F', and connected with oven A by flues E4 E5 E6.
E3 is an annular wall dividing flues F F', and also supporting the plates which form IOO Io D.
ues B' B2 will be deflected by the oven-crown and drawn downward by ten Sets of concen- The heat now entering the oven A by tric flues, E4 E5 E6, evenly distributed over the f'loor of oven A, and thence through chimneys F2 F3 F4 into the uptake What I desire to claim and secure by Letters Patent is- The lower ehrfmnber, B4, in combination with wall E3 and ues F F and E E E2, subst-anti'ally as and for the purpose specied.
ARTHUR SNOW.
VitneSses:
, WM. H. IvENs,
JOHN KRUMHOLZ.
US394622D Pottery-kiln Expired - Lifetime US394622A (en)

Publications (1)

Publication Number Publication Date
US394622A true US394622A (en) 1888-12-18

Family

ID=2463591

Family Applications (1)

Application Number Title Priority Date Filing Date
US394622D Expired - Lifetime US394622A (en) Pottery-kiln

Country Status (1)

Country Link
US (1) US394622A (en)

Similar Documents

Publication Publication Date Title
US394622A (en) Pottery-kiln
US974969A (en) Brick-kiln.
US440041A (en) Brick-kiln
US120965A (en) Improvement in kilns for burning brick, lime
US1362158A (en) Continuous muffle-kiln
US277421A (en) grates
US323500A (en) Furnace for baking incandesgents
US75096A (en) whittemore
US347453A (en) John wilson
US93891A (en) Improvement in burning-kilns
US510223A (en) Pottery-kiln
US345727A (en) promoli
US612779A (en) malpas
US686407A (en) Brick-kiln.
US192634A (en) cheisty
US402628A (en) stanley
US518012A (en) strusholm
US461479A (en) Brick-kiln
US775047A (en) Brick-kiln.
US215088A (en) Improvement in bakers ovens
US307204A (en) Furnace for japanning
US824919A (en) Brick-kiln.
US363416A (en) betersen
US520641A (en) halbeisen
US308391A (en) Assig