USRE11701E - Acetylene-gas generator - Google Patents

Description

H elssudd Nov. 8, |898'.` J. H. CUPER &.`T. A. BRYAN. CETYLENE GAS GENERATOR.,

A (Application July 29, 1898.)

` UNITEDV STATES,-

P'ATEN-frfj Ormes.

vJAMES jH. COUPER AND TI-I oMAs- AQBRYAN, on BALTIMORE, MARYLAND.

ACETYLENE-cAs GENERATOR.

e s'PEcIFIcATIoN-forming'parz 0f minced nette-'rg k:faune No. 11,701, aat'ednovember 8,1898. originalita. 605,398, dated .um 7,1898. y Application einem@ sled July 29,1398. snm No. 637,242'.

.To all whom it may concer-m Y Be it known that we, JAMES H. COUPER and THOMAS A. BRYAN,.citizens of the United States, and residents of the city of Baltimore,

State of Maryland, have invented certain new and useful Improvements in Acetylene-Gas Generators, of which the followingis a speci- Our invention relates particularly to that class of generatt-o'rs in which acetylene gas is developed by the action of wateren calcium carbid.

Generato-rs of this'class are often placed where they are subjected to a very low tcm,-

` 361. f5 is a funnel-shaped tank which is with water to about vthe'level shown in the.

` -l'andconnected to the vessel' by means ofi 'vthe'pipe-.Q andl coupling 1 0.- l.11 is a valve I closed by a valve-stem 12'and hand-v'vheell,l

perature; and our invention consists in part .in certain details of construction byvmeans of which the Water contained in, the 'generator fis prevented-from freezing andin other in;-

. -provements-which-tre fully-explainedin the vdawings,and it is rigidly fastened to a tank 1.by means of the supporting-rods l6 and 7.

8 is a bucket placed under the gasometer placed in said pipe',vwl1ich is opened-and 'which extend beyond the outer shell'of the The .couplingl 10 vis provided with 'bucket 8.di sconneeted from the gasometer. A

'14 'is a pipe which may. beconnected with a Water-supply. by thevvalveal. n

' 16.is a pipe .leading from the top-of the iioat l8 into the tank5, and l1,7 a funnel 'through which Water maybe 'poured into 5 by lWayof j the pipe 16. 18 is va.valve'--plac'ed in said pipe. This pipe 16 is used only when; there is.

Where pipe 14 enters tank 5.1

The tank 5 also has an interior lining 20, the

.peerconductoroi' heat. Water upon 'the'carbid forming. acetylene gas 7o liberates the latent heatofthe. carbidand .filled- It is not absolutely necessary for the success'- ful operation of the generator to shake 2]., as

terinayu Misa-receptacle in which carbid is placed' no suitable water-supply tobe connected at 15. In case too much water should be poured into 5 the valve 15 may be opened and the Waterl drained down to the levcl'of the point The tank 1 has an interior `lining 19,'the space between it and the vouter shell-beingilled with magnesia or some other .suitable substance which is a poor` conductor of heat.

space between it and the outer shell" being packed with -the same substance. The space between' tanks 1 and 5 is filled with oil (orsome liquid Witha low freezing temperature) to about the level shown in thedrlawings.l In some cases we may dispense with the magnesia andsimply have the air-spaces between the-two shells of 1 and 5, air being itself a warms the lWater and the gas, and this action, togetherwith the oil and magnesia packing,

very thoroughly protects vthe water and makes the apparatus a non-freezing machine Suspended from the -top of theiloat 3 is a 'perforated basket 2l,` holding the carbid.

22 is a rod extending from the basket to the outsideof the float 3 and operated by the hand- -wheel 23; -By vturning 23 back and` forth the basket may be shaken and the residue left from the` action vof the 'water on' the carbid caused to drop from the bottom ofthe basket, falling through the water into the bucket 8.

the residue will f all of'itsown accord into 8; but it might at certain times become caked' `in the bottom of the basket, -and the shaker is 9.o "however, should be thoroughly shaken before g used tolpr'ovide against this. The basket,

anew charge of carbid is dropped into it, as

" there is always a certain amount of moist resi-v. due left in the basket, which if 'not shakenV youtwould cause the fresh carbid to give off 95 gas, even though itwere not touching the wab'efore being dropped into thebasket.

25 isahand-wheel, and-2 6 arod, by means loe:

The action of the Y 1Q toaposition shown by the dotted lines. The

of which the bottom of the receptacle may be removed and the carbid precipitated into the basket 21.

27 is the delivery-pipe for conducting the gas from gasometerl into gasometer 2..

28 and 29 are rollers which run on the pipes 30 and 3l as the float 3 rises or falls. The

A pipe 31 is simply used as a'guidevfor one of Y the rollers and has ,fi-plug 3 2 on its upper end.

Pipe 30, however, has a safety-valve 23 at the top,"whichnormally isv closed, as' shown, but

-may be opened by the rod 3l when the float 3 rises and comes in contact with the'roller 3 5.

G asoniet 2 is provided as an additional ol gas, and in some eases is disentirely', the-gas being taken directly-from the gasometer l. Gasometer 2 also has adouble shell, the interior lining off' which is 36,. The space between the outer and inner -shell is iilled with oil (or someother suitable liquid havingalow freezing temperature) .to the level shownin` the drawings. The float 4 Vrisesandffallsfi'ii the oil between the two I shells of gasometer 2as shown,

Gas is conducted from gasorneter l to gasometer 2 bythepipe 27, in'whieh 1s an automatic -valve`37` f This valve'is in motion a great part of the time'and is also subjected to the opened and closed bythe system of rods 38,' 39'and 40, connected to the top of the iioat' 35.' x 4Q The nut 4l onthe rod 40 limits the up high temperature ofthe gas. It is made selfoi'ling and has an oil-eup 37 Aattached to it. This @Loup-performs the double duty oi lubricating tlglill valve andi preventing corrosion or erosion by lthe aetionfof the gas'. 37 is ward motion of the fioat,s'aid float being shown in its highest position in the figure; 1 In this position the valve-37 is closed, and having a Q12, having a. valvev 43--for shutting olf the sup- This Vpipealso acts as a' 45 certain lap will not open until thefloat-falls pipe 4 2 is the gas delivery from the gasometer p15r when desired. guide for theiioatvt; but this feature is not essential, as some other pipe or rod` may be Y used'for .thesame purpose.

'45 is a drain-cock placed in thel bottom of gaso'meter 2, so that any water which may-col# lect' Afrom:condensation either in gasoineter 2 lor the pipes connecting gasometer 1 and gasgometer 2 may tbe drained oi. The oatl has two glass ports 'placed in the stop, so thatthe inside of the'generator may be inspected. AOne of'theports t6-'is shown, the. other being directly opposite it, s o that' 'upon. looking through olie port the light ad-jmitted from the other one on the opposite side' enables the observer to'see clearly inside the.

47 is a drain-cock placed in pipe 27, so that' when only gasometer 1 is used, the supply of gas vbeing takendirectly frompipe 27 Without passing through the gasometer' 2, there is a"v n ieans'of draining off any condensed moisture' which .may have collected in the pipes. "At' .certain times it may be'necessary to elose the ters.

vabl'e.` and thetop having been fastcned'the bottom when the float iis down.

gas increases the iloats 3 and' i. both 1"i se,lthe

valve cooperates with 'thean toniaii-i'e'gasgenerator to 'maintain the valve in. working-foi"-I der under conditions which without the an# clogthe valve and stop tomatieoiler would the apparatus.

The operation oi thegenera-ftor is as follou'js:

5 is'irst iilledaviih vwater fibm av source of supplyeonnected at l5 or throughthe funnel? V17 and pipe 16 if such a supply is not avail- Carbid is placed in the receptacle 2l,

is removedby pulling out the rod 20 and the carbid dropped i nto .the basket 2l. 11": the

' and essential`, and the automatieallyoiled basket is in contactwith the water in fgas is immediatelyv generated, llingboth gasomet-ers l and 2, since th'e valve `37 is open As thef supply' of float S'raising ythe carbid out of the waterto a positionsueh as shown-by'the dotted line o and stopping the generation oi gas, andf the iioat 4 when it reaches 'the position shown by the dotted lines closes the valvej37. 'I f the generation of. gas in gasometer 1 has been too rapid,theiioat 3 will-rise and: open the Valve '33 andallow a certain "quantity of -gas to escape,

thus preventin gany undue pressurein gasom- I oo eter l.y rlhis, however, never happens unless all the carbid is dropped into the water due to the breaking of thebasket. Asthegasis drawn VoiZ' from gasoineter 2 through the -delivery-pipe l2 iloat l falls and opens'valve 37 again, admitting more gas-into gasometer 2 Vfrom gasolneter i, thus keeping npzthe supply in ga'soinetei' 2. The gas will flow frmgasoineter l 'into ga`sorneter 2' because the. pressure persquare 'inclLinfgasometor 1 is greater than in gasometer 2, due to the float 3 beingheavier than the Afloat L lVhen afs'uilicien't quantity offgashas been draw-n from gasometer '1, the

IIO

float 3 will fal-lto a position where `the carbid i`nba`sket12l comes in Contact with the ivater, a'furtherj quantity of ,gas will begenerated,.fand t1 1e supply kept u p in gasometer l.

Afterthe generator has been workin g a suf' ficient time to allow the bucket S to be'Illed vwith the residue-'of .slaked lime the valve 1 1.

isv closed, couplingl unscrewed, and the bucket Aremoved 'and the contents" emptied', The bueket 8 andpipei) being.both f ull of water when the eouplingfis unscrcwed, some water'will overilow,'and the bucket'S is provided with ajrim, as shown, to catch this overflow.

It isnot essential for the-,successful working of our generator that two gasometers be Iv O -ns-cdQ-as gasonleter Z-may be -disp'ense'dvwith and-the gas drawn directly from. pipef-Z'. XVe

areiawafre that lgellerators lhave 'heretofore been 4used in which the gas is vgenerated by automatically bringing theearbidinto contact with water; and We Ido not claim this`,`

broadly, as part of von'r invention; but y lThat we cla-im,.and desire to secure by Letv, ters Patent, iSv-4 vAnacetylene-gas generator composed of a.

stationary'well and agan-holder,A adapted 'to float, therein,V the .Walls of said Well 'being packed with a suitable nonrcondnctor of heatA -andconstrnctedto be lled with a uid having a flow .freezing temperature, a Awater-recepta cleslubmergedl'jn said' inid', and contained within the Welland holder, the Walls ofsaid receptaclealso contructed to contain a ma# -terial' which is a poor-conductor of heat,'and I a' perforated receptacle for calcium carbid` suspended from the holder and adapted to be dipped into' the Water as the gas is drawn oftin combination with a ga so rneter c0r1- nectcd'tothe generator by a lpipe with a sel- -A lubricating 'valve located therein and operatedby the iioat of the gasoinet-er in ,such a Y `Way as to 'open the pipe f when the. oatis down, Athereby admitting 'gas freni the gen-v erator. v i y Signed at Baltimore city, in the State of Maryland, this'2d day of Octoberz A. D. 1897. JAMES I-I. COUPER.` n 1 THOMAS A. BRYAN.

\Vitnes's es": l

, l\1L`R..JONES y* GEO. WSMITH. r

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