US2515869A - Incinerator with spark arrester and cooling means - Google Patents
Incinerator with spark arrester and cooling means Download PDFInfo
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- US2515869A US2515869A US555260A US55526044A US2515869A US 2515869 A US2515869 A US 2515869A US 555260 A US555260 A US 555260A US 55526044 A US55526044 A US 55526044A US 2515869 A US2515869 A US 2515869A
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- Prior art keywords
- spark
- fire box
- passage
- chamber
- connection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/08—Cooling thereof; Tube walls
- F23M5/085—Cooling thereof; Tube walls using air or other gas as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/027—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING 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
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/16—Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/02—Preventing emission of flames or hot gases, or admission of air, through working or charging apertures
Description
y 1950 R. G. GREGG ETAL 2,515,869
INCINERATOR WITH SPARK ABRESTER AND COOLING MEANS Filed Sept. 22, 1944 3 Sheets-Sheet 1 F70 L' l .1 54
mum
INVENTORS ROBERT (i. GREGG BY ALBEHI E. W/RTH f /W SW July 18, 1950 R. G. GREGG ET AL INCINERATOR WITH SPARK ARRESTER AND COOLING MEANS Filed Sept. 22, 1944 1 I 1 1 I 1 I 1 1 I I I I 1 ga ing? y 1950 R. G. GREGG ET AL 2,515,869
INCINERATOR WITH SPARK ARRESTER AND COOLING MEANS Filed Sept. 22, 1944 3 Sheets-Sheet 3 5 1o 7 16 r f I 4? INVENTORS ROBERT 6- 6x5 BY ALBERT E W/RrH IUP/V YS Patented July is, 1 50 j INCINERA OR ITH HARK Amherst 'ANDCQQLING Robert Gregg, New York, N. Y. and Albert E. Wirth', Rutherford, N. J.;' eiafwirm ssigndr to said Gr'e'gg h fiw w ermo :1 ,v s e fle ,55%!
o o 1 Claims.
'lfheinyention relates to an incinerator for disposing of 'wgste; of many sorts, and particu; lar'l'y the'waste' in industrial estab;ishrnents'l The incinerator to be described "herein is 50" con str'ucted thgt the danger o'f'spafrk's being expelled fromthehim'ney or stock has been'eIiminhtedI rhe' onstmemen also makes provision for properdr'a'ft gif 'ctthe breiirntiorii'Of-thej 'draft 'cafi s'in'g flame froin being projected throughihe'firing' door" when firingfthe incinerator with waste."
It: is an object of; the invention to construct an incinerator haying new andnovelspark a'r resting "or" eoueeti g meen in association with Anotherobject of the invention is to constructan'inineratdf with forced draft with m'en'is for cutting of drafttd'th ef ruin-(ice upon opening of the door for 'the firing of the furnace Another object is 'to 'construct an incinerator having new and noveij spark collecting means.
A still further object is to construct an in cine'rqtor halvingspark arresting or collecting means which also provides a cooling filni'ofair for the flue passage to the spark collector; V
A still further object is to construct ein incinerator havfngspark c ol lecting mealns enclosed in acooling chamberand having induced draft for the furnace. l
Another object of the invention is to construct,
an incinerator-furnace and spark collecting Ineans'wi-th a cooling chamber for bothbar't's of the incinerator, all associated together in anew-andnovel combination "@t'her bbjects ofthe invention will be more appa'rj ht from the following description taken in connection with the accompanying drawings il lustrating preferre'c} emhodim'ents'of the inverition inwhi'ch furnice'and spa'rii; collecting means; v
Figu i2 "is'a, cross section through the furnae 'taken on line 2- -2 'of Figi1re 1 showing the -firi-ng'door and the ash'pitdoor with alve mechanism continuing: the draft; to" the furn' ice both above'and below the grate, 4 v "-Fifir'e "3 is' a, vertical section through the fi frioe farfq the'sp'atrk collecting means. -Fi-go1re' 4' is it fiartial" sectional View and in pers bective of another construction of fi rnace is BJView of another form of furnace with induced draft therefor. I
Figure 6 shows a. modification of theinqucgd T nc ner m ul' ur ace .9.. havl or collecting" means a 'ecent to the in Thi er jimmqe a k arres 9 9'; i ;-i
and disposedhori "any figli also has a cooling chamber surrounding the same which in the construction of Figures 1 through 3 is the same chamber l5 which surrounds the furnace. In addition an air inlet 31 is provided around the periphery of the flue connection 32 so that air may enter the flue at this point from the cooling chamber and form a cooling film or blanket of air around the inner surface of the flue connection and spark collecting chamber. Means is provided to blow air into the cooling chamber l5 and any suitable means may be utilized for this purpose, such as a fan 38, shown mounted in an air inlet 39 into the cooling chamber. The air which cools the fur nace and spark chamber may flow to atmosphere, through the outlet 40 surrounding the stack connection and cools this connection. 7
Means may be provided for creating a more effective draft to the stack and to lower the pressure above the grate in the furnace. The means illustrated includes nozzle or pipe 42 which projects into the end of the stack connection 34. Ainunder pressure is supplied to. the nozzle in any desired manner, that particularly illustrated being by simply connecting the pipe or nozzle with the cooling chamber IS SO that the air pressure in this chamber blows through the nozzle to create a draft in the stack connection. The stack connection atthe nozzle may be of any desirable construction; The I air beingblown from the nozzlev into the stackco'nnection not only aids the draft. but also cools thestack connection.
In operation, waste material to be burned is thrown into the firebox through thefiring passage ll. .Upon opening the firing door I8, the
valves 2! and 28 are closed so that air pressure.
from the cooling chamber [5 ,does not pass to the furnace either into the ash pit; M or intothe fire box l3. Waste. material mayv thereforebe safely thrown into-the furnace. When the firing door I 3 is closed, the valves automatically, open and draft supplied, to the fire from ,.the .cooling chamber l5 both above andbelow the grate.
Thehot gases from. thefburning waste material pass out through the flue passage 32,and.
aredirected.circularlyaround the outer periphcry of the stack connection .34 andaround the inner periphery of thesparkarresting or collecting chamber 33., The swirling gases propel all solid matter including hot or flaming cinders and sparks to the periphery.ofthechamber by cen' trifugal. action. The solid matter including sparks are expelled through the opening 35 into the receiving chamber 36. The gases then pass the furnace into an .ash pit and fire box as previously described. In .theconstruction of furnace of Fi'gur'e i, howev'enlthegases passout" of the furnacethrough a fiue ipassage 45 and then pass downwardly. under .a wall 48- and upwardly througha passage l 'land out: a stack opening 48.
to 'the'flstack. This reverse direction flow of the.
bottom of the pit formed by the down flow and hot gases deposits the cinders and sparks in the up flow sections of the flue passage.
An induced draft system is shown in Figure 5 with parts corresponding to the construction of Figures l throug h 3 v correspondingly numbered.
The spark collecting chamber 33 has a stack connection 5! in the form of a Venturi tube. A nozzle 52 projects thereinto and is supplied with air fromthe fan 53 to create a draft into the stack connection, whereby a pressure approximately equal to atmosphere or less is created in the fire box of the furnace. This stream of air from the nozzle also cools the stack connection. Air is blown through the cooling chamber l5 surrounding the spark collecting chamber which air may be supplied from any source, the simpler arrangement being to supply this air from the fan 53. The connection between the cooling chamber and the fan 53 may be made in any desired way, that illustrated being through an opening 54 surrounding the remote end of the tube forming the nozzle 52. Some of the air from the fan passes through the opening 55, passes through the cooling chamber l5 and is expelled through the outlet 40 surrounding the stack connection. The cooling chamber also has a connection or air inlet 31 for providing a cool film or blanket of air around the flue connection 32 into the spark collecting chamber.
The furnace also has a cooling chamber 5 which, in Figure 5 is separate from the cooling chamber l5. This furnace cooling chamber has an air inlet from atmosphere and an outlet into the furnace. Two such air inlets 58 and 59 are shown at the ends of the cooling chamber. The. furnace has air passages leading to the cooling chamber which may be either to the fire box above the grate or to the ash pit below the grate,
although preferably such passages are provided both above and below the grate. The air passages ;-are located remotely from the air inlets 58' and 59. nozzle 52 and-Venturi tube 5| draws air through the inlet openings 58 and 59, which air passes through the cooling chamber 51 to cool the furnace wall and into the furnace through the passages 60.. With such induced draft the pressure in' the' fire box is less than atmospheric and hence the fire vdoor may be opened for the loading of refuse therein without fire blowing out of the firing passage.
Figure 6 shows a modification of the construction of Figure 5 in that an opening or connection BI is provided between the cooling chamber 15 and the coolin chamber 51. The inlet 58 of Figure 5 is closed in the construction of Figure 6. With this construction air under pressure is supplied to the cooling chamber 51 from the fan 53 by the connection 6| with the cooling chamber l5., Somecf the air from the fan and cooling chamber I5 therefore passes through the opening 6-] into the cooling chamber 51. Some of this air passes through the. passages 60 into the furnace and another portion of the air continues around the furnace and passes to atmosphere through the opening 59. With this construction, air pressuremay be provided within the furnace to increase the draft andyet the pressure within the furnace is about atmospheric pressure or less.
This invention provides an improvement in an incinerator. It is understood that various modifications. in structure, as well as changes in mode of operation, assembly, and manner of use, may and often do occur to those skilled in the art, especially after benefltting from the teachings of an invention- This disclosure illustrates the preferred means of embodying the invention in useful form.
Whatis claimed is:
1. incinerator comprising a fire box hav-' The induced draft created by theasrasea ing: one or more: passages? intothe fire box: in-. eluding a fire: passage; at door for: each: passage, Walli means. forminga spark collecting chamberadjacentthe fire, boxvhaving: at least one spark expelling opening in-the wall thereof, a'stack connectionnwithinl the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a flueconnec-,
tion from the firebox-into the-spark collecting chamber atthe stack connection end thereof "and directed tangentially thereof, and 'an, air: inlet around the periphery of the flue connection.
2; An incinerator comprising afire box having one or more passages into thefire box including afire passage, a door for each passage, wall means forming a sparkcollecting chamber adjacent'the fire box having at least one spark expelling opening in the'wall' thereof, a stack connection within the spark collecting chamber extending from one end and terminating ata point spaced: from the other end, a flue connection from thefire box intothe spark collecting chamber at the stack connection end thereof and directed tangentiallythereof, wall means forming a cooling; chamber surrounding the sparkcollecting chamber; and means connected with the cooling chamber and projected into the end of the stack connection for creating a draft into the stack connection and Withdrawing air from the cooling chamber;
3. An incinerator comprising a fire box having one or more passages into the fire box including a fire passage, a door for each passage, wall means forming a spark collecting chamber adjacent the fire box having at least one spark expelling opening in the wall and at the bottom thereof, a stack connection within the spark collecti'ng chamber extending from one end and terminating at a point spaced from the other end, a flue connection from the fire boxinto the spark collecting chamber at thestack connection end thereof and directed tangentially thereoi, Wall means forming a cooling chamber surrounding the fire box and spark collecting chamber, and means connected with the cooling chamber and extending into the end of the stack connection for creating a draft into thestack connection and withdrawing air from the cooling chamber. I
4. An incinerator comprising a fire box having onev or more passages into the fire box including a fire passage, a door for each passage, wall means forming a spark collecting chamber adjacent the fire box having at least one sparkpoint spaced from the other end, a flue connec-:
tion from the fire box into the spark collecting chamber at the stack connection end thereof and directed p ripher l y th reof, wall mean te m-- ing a cooling chamber surrounding the sp rk 0.0.1- lecting chamber, an air inlet around the periph ery of the flue connection and connected with the cooling chamber, and means. connected with the cooling chamber and creating a draftinto the stack connection and removing air from the cooling chamber.
5. An incinerator comprising a fire box having one or more passages intc, the fire box including a fire passage, a door for each passage, Wall means forming a spark collecting chamber. adjacent the fire box having at least one spark expelling opening in the wall thereof, a stackgconnection within the spark collecting chamber extending from one: end; and; terminating ata point spaced; from the other end, a flue connection from. thefire box into the spark collecting chamber atthe stack connection end thereof and directed: tangentially thereof, wall means forming a. cooling chambersurrounding the spark collectin chamber, and means connected with the cooling-chamber and projecting into the stack connection for creating a draft of air into the stack connection and through the cooling chamber.
6; An incinerator comprising a fire box having a grate, a firing passage into the fire box above the grate, an ashpassage into the fire box under the grate, doors for each passage, wall means forming a, cooling chamber surrounding the fire box, an air inlet into the chamber, the cooling chamber having an opening into each passage,
a valve for each opening connected with the firing passage door to close the valves upon opening of'the door, wall means forming a spark collecting chamber having at least one spark expelling opening in the Wall thereof, a stack connection Within, the sparkv collecting chamber extending from one end and terminating at a point spaced from the other end, a flue passage from the fire box into the spark collecting chamher atthe stack connection end thereof and directed tangentially thereof, and means creating a draft. into the stack connection and circular tion of air inv the cooling chamber.
'7'. An incinerator comprising a fire box having a grate, a firing passage into the fire box above the grate, an ash passage into the fire box under the grate, doors for each passage, Wall means forming av cooling chamber surrounding the fire box, an air inlet into the chamber, the cooling chamber having an opening into each passage, a valve for each opening connected with the. firing passage door to close the valves upon opening of the door, wall means for-minga hOIi? zontally positioned spark collectin chamber adjacent the firebox and having at least one spark expelling opening in the Wall thereof at the; bot-1 tom, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the. other end, a fiuepassage from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, and means providing an air connection extending into the stack connection to create a draft thereinto.
8. An incinerator comprising a fire box having a grate, a firing passage into the fire box above the grate, an ash passage into the fire box under the grate, doors for each passage, wall means forming a cooling chamber surrounding the fire box, an air inlet into the chamber, the cooling chamber having an opening into each passage, a valve for each opening connected with the fir.- lng passage door to close the valves upon Open ing of the door, wall means forming a spark collecting chamber having at least one spark expelling opening in the wall thereof, a stack connection Within the spark collecting chamber extending from one end and terminating 'at a point spaced from the other end, a line passage from the fire box into the spark collecting chamber at the stack connection end-thereof and directed tangentially thereof, and blower means connected into the stack connection to create a draft thereinto.
9. An incinerator comprising a fire box having a grate, a firing passage intq the fire box above the grate, an ash passage into the fire box under the grate, doors for each passage, wall means forming a cooling chamber surrounding the fire box, the cooling chamber having an opening into each passage, a valve for each opening connected with the firing passage door to close the valves upon opening of the door, wall means forming a spark collecting chamber having at least one spark expelling opening in the wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a fiue passage from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, a blower nozzle extending into the stack connection and means to supply air under pressure to the cooling chamher and blower nozzle.
10. An incinerator comprising a fire box having a grate, a firing passage into the fire box above the grate, an ash passage into the fire box under the grate, doors for each passage, wall means forming a cooling chamber surrounding the fire box, the cooling chamber having an opening into each passage, a valve for each opening connected with the firing passage door to close the valves upon opening of the door, wall means forming a spark collecting chamber having at least one spark expelling opening in the Wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a fiue passage from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, a connection from the cooling chamber into the flue passage, a blower nozzle extending into the stack connection, and meansto supply air under pressure to the cooling chamber and the blower nozzle.
11. An incinerator comprising a fire box having a grate, a firing passage into the fire box above the grate, an ash passage into the fire box under the grate, doors for each passage, wall means forming a spark collecting chamber adjacent to the fire box and having at least one spark expelling opening in the wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a flue passage from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, wall means forming a cooling chamber surrounding the fire box and the spark collecting chamber, an air inlet into the chamber, the cooling chamber having an opening into the ash passage and the firing passage, a valve for each opening connected with the firing passage door to close the valves upon opening of the door, and jet means extending into the stack connection and connected with the cooling chamber;
12. An incinerator comprising a fire box having a grate, a firing passage into the fire box above the grate, an ash passage into the fire box under the grate, doors for each passage, wall means forming a horizontally disposed spark collecting chamber adjacent to the fire box and having at least one spark expelling opening in the wall at the bottom thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a fiue passage from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, wall means forming a cooling chamber surroundin the fire box, an air ing an opening into the ash passage and the firing passage, a valve for each opening connected with the firing passage door to close the valves upon opening of the door, and means providing an air connection into the stack connection to create a draft thereinto.
13. An incinerator comprising a fire box having a grate, a firing passage into the fire box above the grate, an ash passage into the fire box under the grate, doors for each passage, wall means forming a horizontally disposed spark collecting chamber adjacent the fire box having at least one spark expelling opening in the wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a flue connection from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, a nozzle extending into the end of the stack connection, Wall means forming a cooling chamber surrounding the spark collecting chamber having an outlet therefrom surrounding the stack connection, and means creating a draft through the nozzle into the stack connection to provide induced draft for the furnace and supply cooling air to the cooling chamber.
14. Spark collecting means for use with a furnace comprising wall means forming a spark collecting chamber having at least one spark expelling opening in the wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a flue connection into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, a nozzle extending into the end of the stack connection, wall means forming a cooling chamber surrounding the spark collecting chamber and having an outlet, and means creating a draft through the nozzle into the stack connection to provide draft within the spark collecting chamber and supply cooling air to the cooling chamber.
15. Spark collecting means for use with a furnace comprising wall means forming a collecting chamber adjacent the fire box having at least one spark expelling opening in the wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a flue connection from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, a nozzle extending into the end of the stack connection, wall means forming a cooling chamber surrounding the spark collecting chamber and having an outlet around the stackconnection to cool the same, and means creating a draft through the nozzle into the stack connection to provide draft for the furnace and supply cooling air to the cooling chamber.
16. Spark collecting means for use with a furnace comprising Wall means forming a spark collecting chamber having at least one spark expelling opening in the Wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a fiue connection from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, a nozzle extending into the 4 end of the stack connection, wall means forming a cooling chamber surrounding the spark collecting chamber and having an outlet, an opening between the cooling chamber and the spark collecting chamber around the flue connection to provide a film of cooling air around the inner surface thereof, and means creating a draft through the nozzle into the stack connection to provide induced draft for the furnace and supply cooling air to the cooling chamber.
17. An incinerator comprising wall means forming a fire box chamber, means forming a spark collecting chamber adjacent the fire box having at least one spark expelling opening in the wall thereof, a stack connection to the spark collecting chamber at one end, wall means forming a cooling chamber enclosing at least one of the aforesaid chambers, a flue connection from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, and an air inlet around one of the connections and connected with the cooling chamber to provide a film of cooling air around the connection.
18. An incinerator comprising a furnace chamber having a firebox, one or more passages into the fire box including a firing passage, a door for each passage, wall means forming a spark collecting chamber adjacent the fire box having at least one spark expelling opening in the wall thereof, a stack connection within the spark collecting chamber extending from one end and terminating at a point spaced from the other end, a flue connection from the fire box into the spark collecting chamber at the stack connection end thereof and directed tangentially thereof, wall means forming a cooling chamber surrounding 10 at least one of the aforesaid chambers and having an opening into the furnace, valve means at the opening controlling the feeding of air from the cooling chamber to the furnace, and means connecting the door with the valve means to open the valve means for feeding of air to the furnace when the door is closed.
ROBERT G. GREGG.
ALBERT E. WIRTH.
REFERENCES GITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 601,355 Paterson Mar. 29, 1898 1,035,988 Miller Aug. 20, 1912 1,194,385 Hoover 1 Aug. 15, 1916 1,622,431 Reigenbaum Mar. 29, 1927 1,729,997 Carpenter Oct. 1, 1929 1,731,043 Carpenter Oct. 8, 1929 1,747,619 Carpenter Feb. 18, 1930 1,875,846 Brown Sept. 6, 1932 1,891,069 Suciu Dec. 13, 1932 1,967,883 Hofmann July 24, 1934 1,977,410 Seley Oct. 16, 1934 1,995,216 Morrow Mar. 19, 1935 2,070,536 Hoffman Feb. 9, 1937 2,100,189 Irsch Nov. 23, 1937 2,228,970 Owens Jan. 14, 1941 2,332,591 Nicol Oct. 26, 1943 FOREIGN PATENTS Number Country Date 22,274 Great Britain Sept. 26, 1910
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US555260A US2515869A (en) | 1944-09-22 | 1944-09-22 | Incinerator with spark arrester and cooling means |
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US555260A US2515869A (en) | 1944-09-22 | 1944-09-22 | Incinerator with spark arrester and cooling means |
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US2515869A true US2515869A (en) | 1950-07-18 |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2693774A (en) * | 1951-07-17 | 1954-11-09 | Dorothy J Knowles | Incinerator for the destruction of surgical dressings, catamenial appliances and the ike |
US2696178A (en) * | 1951-10-26 | 1954-12-07 | Calcinator Corp | Refuse incinerator with charging door stop mechanism |
US2715880A (en) * | 1951-10-26 | 1955-08-23 | Calcinator Corp | Incinerator |
US2719497A (en) * | 1951-01-24 | 1955-10-04 | Frederick R Hock | Metallic trash burner |
US2748728A (en) * | 1953-06-15 | 1956-06-05 | Majestic Company Inc | Domestic incinerator |
US2869487A (en) * | 1955-08-25 | 1959-01-20 | Silent Glow Oil Burner Corp | Incinerators |
US2880682A (en) * | 1956-07-30 | 1959-04-07 | Burn Zol Co | Incinerator |
US2985120A (en) * | 1958-02-03 | 1961-05-23 | Mobile Incinerators Inc | Mobile incinerators |
US3307507A (en) * | 1965-06-01 | 1967-03-07 | John A Boyd | Method and apparatus for incinerating refuse material |
US3645217A (en) * | 1970-02-24 | 1972-02-29 | P R Akroud Ltd | Incinerators |
US3797415A (en) * | 1972-10-30 | 1974-03-19 | J Young | Incinerator with a plurality of outer walls and a hollow grate |
JPS523278U (en) * | 1975-06-24 | 1977-01-11 | ||
US4244326A (en) * | 1979-04-12 | 1981-01-13 | Jackson Dennis H | Steam generating system |
US4455995A (en) * | 1980-08-26 | 1984-06-26 | Homolik Matthew W | Heating stove with heat regulating system |
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US2719497A (en) * | 1951-01-24 | 1955-10-04 | Frederick R Hock | Metallic trash burner |
US2693774A (en) * | 1951-07-17 | 1954-11-09 | Dorothy J Knowles | Incinerator for the destruction of surgical dressings, catamenial appliances and the ike |
US2696178A (en) * | 1951-10-26 | 1954-12-07 | Calcinator Corp | Refuse incinerator with charging door stop mechanism |
US2715880A (en) * | 1951-10-26 | 1955-08-23 | Calcinator Corp | Incinerator |
US2748728A (en) * | 1953-06-15 | 1956-06-05 | Majestic Company Inc | Domestic incinerator |
US2869487A (en) * | 1955-08-25 | 1959-01-20 | Silent Glow Oil Burner Corp | Incinerators |
US2880682A (en) * | 1956-07-30 | 1959-04-07 | Burn Zol Co | Incinerator |
US2985120A (en) * | 1958-02-03 | 1961-05-23 | Mobile Incinerators Inc | Mobile incinerators |
US3307507A (en) * | 1965-06-01 | 1967-03-07 | John A Boyd | Method and apparatus for incinerating refuse material |
US3645217A (en) * | 1970-02-24 | 1972-02-29 | P R Akroud Ltd | Incinerators |
US3797415A (en) * | 1972-10-30 | 1974-03-19 | J Young | Incinerator with a plurality of outer walls and a hollow grate |
JPS523278U (en) * | 1975-06-24 | 1977-01-11 | ||
US4244326A (en) * | 1979-04-12 | 1981-01-13 | Jackson Dennis H | Steam generating system |
US4455995A (en) * | 1980-08-26 | 1984-06-26 | Homolik Matthew W | Heating stove with heat regulating system |
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