US1594046A

US1594046A - Furnace

Info

Publication number: US1594046A
Application number: US50201A
Authority: US
Inventors: Henry W Carr
Original assignee: Individual
Current assignee: Individual
Priority date: 1925-08-14
Filing date: 1925-08-14
Publication date: 1926-07-27
Anticipated expiration: 1943-07-27

Description

Cr A

Patented Juiy 27, 1926i,

' man., .sin sancisce, 11111035115 E RNACE.

muestran ied i111gust14, 192.5. serm '-NO. 50,201.

hatir'e ofthe sh'starieestreated-, as, `for exa1`npie;, the recovery; concentration or redde tion' x'x'fherey itis desired to obtain `a byproduct of `gases ksueh` as CO2 or 'other fumes such fquieksiIver, zinearidk other gaseous p'i'odiiets l; or the treatment for-any purpose of materials requiring furnace-heat' My invention is parteularlyfadapted fer and isfdesigned or'the treatmerlt'eit suehvr materiais'as have-a tende'rieyV te scale, cake t er si'agg'arid'ithas vfor one 'of its objects the provision oa furnacey in which simple and 'effective means .lare presentate prevent theealingof the material` uporl the furnace Wallis, andthereby to avoid the heeessitv ott l f spofuti 13 to said 'eh-a' her 1s fitted' with" a the Customary forms o'rabbling; Another ohect isy to subject-the irrateria'l toV arldfadvarrce i'toverthe heated si'irfaee in a manner conducive to 'equability of effect.

yiitilifatleti-1er object is to proif'ide :for a vaoimin' tht'eating' Chamber. These and ether objects will hereinafter jbecf'i'meap` parent in the course of the following-cilep-arting from thespirt oit my invehtieri as 'defined by the claims hereunto appeIrded-- My furnace;ioieyfstatech'Consists of a Chamber thereabout; a revolutie Teer within said tratirg Chamber; earfrying'members adapted vto lift 'and dr'op the material, te 'adj viie'er it inlet `to d'ifsclhargegadto yscrape keep clean the outer surface "of e1-,t te@ eeejmpanyiag drawings,

the l vform "of is s "veeeeai ieligitaainai sea-ener me tmmeeicetn @t "end `with the eoree .ofheat, suehasthe fire box 2,.'andfcommunicating at its othererd i ivithvthesm'oke stack The -heatirigr ve501' tdbe'lfin its best arrangement' isf. journaled etits, end: -eemreoftions in bearing-s iiridioated at 4;, adap'tihg it pose it isl povided Wthfa'gear 5 meshing 1withiapinon 6 fona drive shaft fa.,

from it is/ af metal-life silei 8 the. spaee :bel-

tween the :shell andflueA 'being Athe treating chamber, indicated by 91. The eorme'etion between the sheli arld'iue asy indicatedY by the s-tuing boxes l0 is such that thetreatingy Chamber 9 is fluid tight, in order. 'to establish and maintain therein vaeuurrr `or.` partial vacuum, for which .purpose there is a e011.-

uso, i'or preservingr eaiid vaeumfthe :feed

Afluid tightl valve A14e, the 'discharge pipe"` 15' is 'titted 4 with a r'similar fiid tight vaiv'e. 16. v`Vithin the heating chamber` and extendit'g between` the feed. and. discharge thereof is Aa revohrhie reel of' Whieh 17 'indicates its two heads.,l These heads `arie fitted With gears "1 8 meshing with pinions 19y on the "drive l shaft 7', Wherebythereel lisrotated''a-bzeit i `the.heat1in-fig dire l as an aiie.. Betweenfthe reel heads -17 and Cer-rieti by the youterfporliuiar series of lifting and 'outer scraping rails 20. .Theyinner edges `ofthese rails arev material from eakirig;v i f 1 a 'Carried by the inner portions of the reel heads i7 `and prferehly iiielixed fat 'aria-Hgh to the ree-i` airi'syas indie'ated. in (Figi. 2;, 'is

annular series. off scraper; rails @Lft-.hef

vand theiroirter edges -lie in Close rel'ationte i l theirmerlsurfaee 'of the Shell 8 to lscrape-the v`Said suraee and .prevent Y imi'er edges of which lie eiosettofthe outery surface ofthe `heating?flue and serve to r .the mum @geraete 1311? a maxi secured. Also by the action of the rails 2O and 2l, the material is kept Well scraped off.' from all nails of the treating chamber. The fluid tight relation of the several parts permits the application of a vacuum elliect to the heating chamber in case, by reason of the nature of the material or of the resu bought, such effect is indicated.

l claim l.V A furnace comprising a heating flue;

means for passing a heating medium through said flue a shell enveloping, spaced from, and forming a treating chamber around ksaid heating flue; and a rotatable reel of rails Within and extending the length of said chamber, said rails being positioned and operating with relation to the inner surface of the shell and the outer surface of the heating flue to scrape said surfaces free of the mate ial.

2. A furnace comprising a heating flue; means for rotating said flue upon its axis; means for passing a heating medium through said flue; a shell enveloping, spaced from, and forming a treating chamber around said heating flue; and a reel of rails Within and extending the length of said chamber, and independently rotatable about the flue, said rails being positioned and operating with relation to 'the inner surface of the shell and the outer surface of the heating flue to scrape said surfaces free of the material.

3. A furnace comprising a heating flue; means Vfor passing a heating lmedium through said flue; a shell enveloping, spaced from, and forming a treating chamber around said heating flue; means for feeding material to one end of said chamber; means for discharging it from the other end; and a rotatable reel of rails Within and extending` the length of said chamber, said rails being disposed at an angle to the reel axis and positioned and operating to advance the material through the chamber and to scrape said material from the inner surface of the shell and the outer surface of the heating nue.

l. A furnace comprising a heating flue; means for rotating vsaid flue upon its axis; means for passing a heating medium through said flue; a shell enveloping, spaced. from, vand forming a treating chamber around said heating flue; means for feeding material to one end of said chamber; ymeans for discharging it from` the other end; and a reel of rails Within and extending the length of said chamber and independently -rotatable about ythe flue,

'p said railsl being disposed at an angle to the freel axis and positioned and operating to advance the materialY through the `chamber "andto scrape said material frein the inner'surface ofthe shell andthe face of the heatngflue,

outer sur- 5. A furnace comprising a heating flue;

means for passing a heating medium through said flue a shell enveloping, spaced from, and forming a treating f scrape material lfrom the inner surface of .the shell.

6. A furnace comprising a heating Hue; means for rotating said flue upon itsfaxis;

means for passing a heating medium through said flue a shell enveloping, spaced from, and forming a treating chamber around said heating flue; and an independently rotatable -reel Within and ex-k tending the length of said` chamber said reel carrying an inner annular series of rails the inner edges of which are adapted to scrape material from the outer surface of the heating flue, and also carrying an outer annular series of rails, the inner edges of which are flanged to lift and drop the material, the outer edges of said rails being adapted to scrape material from the inner surface of the shell.

'7. A furnace comprising a heating flue; means for passing a heating medium through said flue; a shell enveloping and spaced from said-flue With fluid tight connections forming a closed treating chamber around the flue; means for effecting and maintaining a vacuum in said chamber; and a rotatable reel of rails Within and extending the length of said chamber, said rails being positioned and operating With relation to the inner surface of the shell and the outer surface of the heating flue to scrape said surfaces free of the material.

8. A furnace comprising a heating flue; means for rotating said flue upon its axis; means for passing a heating medium through said flue; a shell enveloping and spaced from said flue with fluid tight connections forming a closed treating chamber around the flue; means for effecting and maintaining a vacuum in said chamber; and a reel of rails Within and extending the length of said chamber, and independently rotatable about the flue, said railsvbeing positioned and operatingvvvith relation to the inner surface of the shell and the outer surfaceof the heating flue to scrape said A'surfaces free of the material.

In testimony whereof I .have signed myv naine to this specification.

Hniinrw. CARR;