US784748A - Gas-washer. - Google Patents

Description

PATENTED MAR. 14, 1905.

P. MEEHAN.

GAS WASHER.

APPLICATION FILED APR. 25. 1904.

3 SHEETSSHEET l.

INVENTOR. flahm/ WITNESSES. I fi. MM A4. /W

PATENTED MAR. 14, 1905.

P. MEEHAN. GAS WASHER.

APPLICATION I'ILEI) APR. 25, 1904.

3 SHEETS-SHEET 2.

P. MEEHAN. GAS WASHER.

APPLICATION FILED APR. 25, 1904.

3 SHEETS-SHEET 3.

4-; a-mg 72-2 WITNESSES. mvzufon.

PATENTED MAR. 14, 1905.

Patented March 14, 1905.

PATE T I OFFICE.

PATRICK EEHAN. or LOWELLVILLE, ouio.

GAS-WASHER.

SPECIFICATION forming part of Letters Patent No. 784,748, dated March 14, 1905. i Application filed April 25, 1904- Serial No. 204,782.

To all whom; it mag concern.-

Be it known thatI, PATRICK MEEHAN, a resident of Lowellville, in the county of Mahoning and State of Ohio, have invented a new and useful Improvement in Gas-Washers; and I do hereby declare the following to be a full, clear, and exact description thereof.

My invention relates to gas washers or scrubbers; and its object is to provide a device of this kind which is simple of construction, not liable to get out of order or repair,

easy to clean, and which will thoroughlyremove the impurities from the gas and afterward dry the same.

In the accompanying drawings,Figure1 is aside elevation of my improved washer. Fig.

- 2 is a vertical section therethrough. Fig. 3 is an end elevation thereof. Figs. 4, 5, and ,6 are horizontal sections taken, respectively on the lines 4 4, 5 5, and 6 6 on Fig. 2. Fig. 7 is a verticalsection taken on the line 7 7, Figf2. Fig. 8 is a detail of the spray-pipe, and Fig. 9 is a detail of one of the spiral plates.

My gas-washer is constructed entirely of plate or similar metal, no brickwork or the like being used. The construction is such that the dirt can find no lodgment, but will be washed down and deposited in the base, which is so constructed that it can be readily cleaned withoutjinterfering with the continuous operation ofthe washer.

The washer comprises two vertically-arranged chambers 1 and 2, which preferably are cylindrical in cross-section, although this shape is not essential. These chambers are connected at their bottoms by a horizontal chamber 3, the lower portion of which is substantially trough-shaped. The gas-inlet is through a port 4 at the top of the chambei; 1 and the gas-outlet through a port 5 at the top of the chamber 2. The course of the gas is downwardly through the chamber 1, across through the chamber 3, and upwardly through the chamber 2.

Extending downwardly through the center of the :ham'oer 1 is a perforated spray-pipe -7, having a connection at its upper end to a supply-pipe 8 and being provided with a regulating or cut-off valve 9 in this connection. The openings 10 in this spray-pipe preferably slope downwardly, as shown in Fig. 8, so that the sprays of water will be given a downward direction. The perforations are arranged all around the pipe,so as to spray the water in all directions,and sufiiciently close together to insure the spraying of all the gas.

Arranged in the chamber 1 are a series of funnel or basin shaped baffle-plates 12, alternatingwith aseries of cone-shaped baflleplates 13. The basin-shaped. baffle-plates have their outer edges secured to the walls of the chamber 1, and said plates project downwardly and inwardly toward the center of the chamber, thus forming annular downwardlysloping walls. The cone-shaped bafile-plates 13 are placed with their apices upwardly and substantially at the center of the chamber with their walls projecting downwardly and outwardly. These cone -shaped plates are supported from the wallsof the chamber by suitable arms or brackets 15. The spray-pipe -7 extends downwardly substantially through the centersof the openings in the baflle-plates 12 and through the apices of the plates 13.

,When the gas enters the chamber 1, it expands somewhat in the enlarged upper portion thereof, thus causing it to lose its velocity and permitting the heavier impurities to fall. The gas is then again contracted to pass through the first basin-shaped plate 12, below which it again expands, thus depositing more of the dirt. It is then again contracted to pass around the outer edge of the first coneshaped bafiEle-plate 13, again expands underneath the same, is again contracted by the next basin-shaped plate, again expands underneath the same, and so oncontinuousl y until it leaves the bottom of the chamber 1. In its course downwardly through this chamber, therefore, the gas is subjected to a series of expansions and contractions, thus causing the sameto separate repeatedly and insuring the depositing or falling down of practically all of the impurities in the gas. As no part of the interior surfaces of the chamber are free from water, theimpurities will be thoroughly saturated as soon as they drop, and thus prevented from again'rising. The spray from the pipe? not only permeates the gas, but falls upon the sloping surfaces of the various batlie-plates, from which it falls down in thin sheets to the plate next below. The-course of the gas is such that it must pass through-these sheets of water, and in that way it becomes thoroughly washed.

As many bailie-plates will be arranged in the vertical chamber as will be found necessary. In the drawings three basin-shaped plates and two cone-shaped plates are shown; butthis number obviously can be varied as necessary or desired. I

Thegas maybe quite hot when it first enters the chamber 1. To prevent overheating the head or the chamber, ll place an inner plate 17 underneath the head and in quite close proximity thereto. The plate will be supported by suitable brackets; so that its edges will not touch the walls of the chamber. Several of the openings 10 of the spray-pipe will be above this'in'ner plate 17, so that a thin sheet of water will constantly ilow'over said plate and drop down'around the edges thereof, thus keeping said plate and the head of the chamber cool.

In the horizontal chamber 3 are arranged a series of vertical scrubber-plates 20, which extend longitudinally of said chamber and between which the gas must pass in its course from the chamber 1 to the chamber 2. EX-

tending transversely across the topof these scrubber-plates are a number of spray-pipes 21, three such pipes being shown,-although the number may be varied. These pipes are provided with openings extending downwardly and in opposite directions, so as to direct sprays between the plates 20, as shown in Figs. 2 and 6. This keeps the surfaces of the scrubber-plates thoroughly moistened, and

as they are set quite close together the gas will come in contact therewith and have removed from it any impurities which may-have escaped the washing process in the vertical chamber 1.

The horiaontal pipes 21 receive their supply of water, some from the vertical pipe 7 in-the' chamber 1 and others from a pipe 23, extending centrally through the chamber 2 and con-.

nected at its upper end to the supply-pipe 8 and having in the connection a controllingval've 24. Suitable regulating-valves will also be supplied in the connections with the horizontal'pipes 2l.

In the lower portion of the chamber 2 are arranged a series of bafie-plates-26, which extend radially from the center to the outer walls thereof, as shown in Fig-5, These plates have a spiral trend, as indicated in Figs.

- gas and separate it.

plates are shown arranged vertically'over each 2 and 9, so as to give a spiral motion to the Three such series of other, although only one or even more than :three series might-be employed ifnecessary..

These plates have their outer edges provided with flanges 27 for riveting to the walls of thechamber 2. Theupper edgesof the top gas. ranged a drier, which consists or two heads 7 port 5.

rsarae series of plates are curved over to one side,

opposite'side-isriveted a sinrilarcurved plate =as-shown at 28', while-along said-edges on the 29, thus forming downwardly-directed troughs down the same, and as the gas is: given agspiral trend between the plates. practical-lyiallportions thereof will come in contact'with these plates. In this way any iinpuritieswwhich may still remain in the gas will be removed. The curved upper edges of the -plates will arrest any water that might flow upwardly with the gas. For most gases, however, the-scrubbers in the vertical chamber 1 andhorizontal chamber 3 wills'ufice to removeiall' the impurities, and in that case the vertical pipe-23 will not be perforated or at least will'not'be supplied with water. The bafierplatesfifi then" act as drying-plates to condense'the moisture carried forward with the gas, the

curved upper edges of theplatesia'rresting any-water that might flow upwardly-with the Above these spiral hams-plates is ar- 30, extending transversely acrossthechamber and having extendingtherethrough a series of tubes 31, through whichthe gasunust flow. These tubes of-themselves willact te condense any moisture that may be in thegas; but when by reason of the great impurities ofithegas the .bafieplates 26 are used-as scrubbers rather than driers it is preferred to heat the tubes 31, so as to moreieficiently dry the gas. This is accomplished by circulating steam around the tubes31 between the heads-30,- as

can be conveniently done by providing a steam-inlet 32 and a steam-outlet 33 tor t-he spacebetween the heads 30. In addition to this driera steam or other heated jacket 35 may beprovided in the 'outlet-pipefrom the All of the scrubbing and drying surfacesare of metal and-have smooth surfaces which slope downwardly, and 'there is no place-Ion which dirt or anything else can lodge. The dirt-is washed down into the "chamber ganddeposited," together with the water, .in' the lower-portion thereof. is" maintained' by' providing in thewall at one end an ,opening 36, which leads to aprojecting portion 37, provided with an overflow-pipe 38; whereby the level of the water is -always' maintained at substantially the same level.

The opening-366s: adapted to :be :entirelyaor The water-level inithe chamber 4 partially closed by a vertically-movable gate- 40, Whiohmay be raised andlowered in any suitable manner, asby means of cords or chains 41, secured to suitable winding-drums 42 on a shaft 43, which in turn is controlled from a hand-wheel44, having connected thereto a suitabledrum connected by a chain or cord &5 with a similar drum on the shaft 43. The gate 40 will be set at such a height as to maintain a seal at the opening 36 and prevent the escape of gas. Through the opposite end of the chamber 3 project aseriesof nozzles 48, three such nozzles being shown; but obviously, a larger number might be employed. These nozzles are connected to any suitable source of water-supply and supply jets of water practically horizontally in the chamber 3. These jets are applied at the surface of the water in said chamber and are directed toward the opening 36 at the opposite end. As a consequence any light dirt or impurities that float on top of the water willbe blowntoward the opening 36 and out through the same to'the overflow-pipe 38. This keeps the surface of the, water clean, so that any impurities that drop into the same will be immediately saturated and prevented from again rising. Should froth or similar light matter accumulate on top of the Water and not be able to pass underneath the gate 1O, the latter may .be slightly raised at intervals, so as to permit such light matter to escape. The sprays from the nozzles 48 also create a current which assists the gas in its flow through the scrubber.

The heavier particles of impurities settle down in the trough-like bottom of the chamber 3. This bottom is provided with one or more funnels or hoppers 50, closed by bellvalves 51. The latter may be operated in any suitable way, such as being supported on the counterweighted levers 52, controlled from the rods 53, as will be readily understood. These valves will be opened at intervals to permit of the flushing out of the apparatus; When this is done, the gate 40 will be lowered to entirely close the opening 36 and seal the latter. Then the valves 51 will be opened, permitting all of the water and dirt in the base of the device to be washed out. The sprays of water coming down through the various spray-pipes will thoroughly flush out the same, and this can be done without stopping the flow of gas through the apparatus. If

necessary, a hose or scraper may be-introduced into the chamber to facilitate cleaning. The overflow and dirt fall down into a suit 7 able gutter or sewer, such as 55, and all of the spray pipes have connected to them downwardly-projecting flushing-pipes 56, provided with suitable controlling valves 57 so that whenever necessary any dirt whichmay accumulate in the lower ends of these pipes may be flushed out;

The washer described will be supported upon a suitable base and will be provided with manscription. In its course the gas is subjected in the chamber 1 to alternate expansions and contractions, is thoroughly sprayed with water, and must pass through the several sheets of water falling from one baffle-plate to the next. In the horizontal chamber3 it is subjected to the further scrubbing action of the plates 20 and jets coming from the spraypipes 21. upward course through the chamber 2 it will be subjected to the drying action of the baffleplates 26 and tubes 31. Should, however, the gas be very dirty, it may be subjected to spiral bafl'le-plates 26, and in that event it will be dried by the heated tubes 31 and, if necessary, further dried by the heated jacket 35. All impurities in the water will be carried down into the base of the chamber 3. The light impurities will flow 01f through the opening 36, while the heavier ones'will settle to the bottom, whence they can be periodically removed by opening the valves 51. The water-level is automatically maintained and a complete seal is provided by the door 40.

' No brick or other similar material is used in the washer; but the construction is entirely metallic, and all surfaces are smooth and have a downward slope, so that the dirt and water can find lodgment only in the bottom.

Generally this suffices, and in the tus will be understood from the foregoing defurther washing while passing through the There is practically nothing in the device which can get out of repair or working order, and the construction is such that any repairs that become necessary can be readily made and without stopping the apparatus. YVhen necessary, the spray-pipes can be taken out and replaced, and they can be kept clean by merely blowing the dirt out of them, as can be done by opening the valves at their lower ends. It is impossible for the spraypipes or other parts to become clogged with dirt.

What I claim is-- 1. In a gas-washer, the. combination of a chamber having a gas-inlet and a gas-outlet, baffie-plates in said chambers so arranged as to cause alternate contractions and expansions of the gas, means. for -spraying water onto said bafiie-plates, a series of vertically-arrangedscrubber-plates in the bottom-of said chamber, and means for spraying water onto said scrubber-plates. I

2. In agas-washer,thc combination of a vershaped and conical bafile-plates arranged alv ternately and oppositely at the, outer walls and center of said chamberto cause alternate expansions and contractions of the gas, means for spraying water ontosaid bafiie-plates. a second chamber connected to the bottom of said vertical chamber, and a series of spirallytical chamber having a gas-inlet at the top and a gas-outlet from the bottom, baffle-plates arranged in said chamber, a perforated pipe arranged'vertically in said'chamber to spray water onto said baffle-plates, and a plate arranged underneath the head of said chamber and below an opening or openingsin the spraypipe, whereby the top of said chamber will be kept cool. i

4. In a gas-washer, the combination ofa vertical chamber having a gas-inlet at the top and a gas-outlet from the bottom, a series of baffle-plates in said chamber, means for spraying water onto said baflle-plates, a series of vertically-arranged scrubbereplates in the bottom of said chamber, and spray-pipesextending .across said scrubber-plates.

5. In agas-washer, the combination of a'vertical chamber provided with a gas-inlet at the top, aseries of baflie-plates projecting into said chamber, means for spraying water onto said baffle-plates, a horizontal chamber communicating at one end with the lower end of the verticalchamber and having a gas-outlet from its opposite'end, vertically-arranged scrubberplates extending longitudinally ,of said horizontal chamber, and spray-pipes extending 1 across said scrubber-plates. s

6. Inagas-washer, the combination of a vertlcal chamber hav ng a gas-lnlet at its upper end, basin-shaped and conical baflie-plates arranged alternately and oppositely at the walls and center of said chamber, a perforated pipe arranged vertically in the center of said chain- 'berha horizontal chamber communicating at one end with the lower end of said vertical chamber and having a gas-outlet from its opposite end, vertically r arranged scrubberplates .in said horizontal chamber and extending longitudinally thereof, and spray-pipes extending across said scrubberplates.

7 In a gas-washer, the combination of two vertical chambers communicating with each other at their lower ends, a gas-inlet at the upper end of one of said chambers and a gas-out- ..let from the upper end of the other chamber,

a series of bafiie-plates in the inlet-chamber, means for spraying water onto said baffleplates, and spirally-arranged baffle-plates in the outlet-chamber.

8. In a gas-washer, the combination of two vertical chambers communicating attheir lower. ends. a gasrinlet into the upper end of one of said chambers, and a gas-outlet 'from' the upper end of the other chamber, a series of baffle-plates in the inlet-chamber arranged to cause alternate expansions and contractions of the gas passing therethrough, means for spraying water onto said battle-plates, and

spirally-arranged baffle-plates in the outletchamber. l

, 9. In a gas-washer, the combination of two vertical chambers communicating at their lower ends, a gas-inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, basinshaped and conical bafHeplates arranged alternately and oppositely at thewalls and center of the inlet-chamber, a perforated spray-pipe arranged vertically at the center of said chamber, and spirally-arranged baffle-plates in the outlet-chamber.-

- 10. In a gas-washer, the combination of two vertical chambers, a gas-inlet into the top of one of said chambers and a gas-outlet from the top of the other chamber, a horizontallyarranged chamberconnecting the lower ends 'of the two vertical chambers, baffle-platesfin the inlet-chamber, means for'spraying water onto said baffle-plates, vertically -arranged scrubber-plates in the horizontal chamber and extending longitudinally thereof, means for spraying water onto the same, and gas-drying means in the outlet-chamber.

11. In agas-Washer, the combination of two vertical chambers, a gas-inlet into the upper end of one of saidchambers and a gas-outlet from the upper end of the other chamber, a horizontally+arranged chamber connecting the lower ends of said vertical chambers, basinshaped and conical baflIe-plates arranged alternately and oppositely at the walls and center of inlet-chamber, a perforated spray-pipe arranged vertically and centrally in said chamber, vertically-arranged scrubber-plates in the horizontal chamber and extending longitudinally thereof, spray-pipes extending across said scrubber-plates, and gas-drying-means in the outlet-chamber; I

12. In a gas-washer, the combination of a chamber provided witha gas-inlet, baflie-walls therein, means for spraying water onto the same, asecond chambercommunicating with said first-named chamber and provided with a gas-outlet, and heated drying means in said second chamber.

13." In a gas-washer, the combination of two vertical chambers communicating at their lower ends,- a gas-inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, baflile-plates arranged in the inlet-chamber to cause alternate expansions andvcontractions-ofthe gas, means for ,spraying water onto said baffleplates, a series of drying-tubesin the outletchamber, and means for heating-said tubes.

' 14. Inagas-wa'sher, the combination of two vertical chambers communicating at their lower ends, a gas inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, a series of bathe-plates in theinlet-chamber, means for spraying water onto said plates, a pair of heads or Walls extending across the outlet-chamber,

tubes extending through said heads or walls,

a 15. In a gas-washer, the combination of two Vertical chambers communicating at their lower ends, a gas-inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, baffle-plates in the inlet-chamber, means for spraying water onto said baflie-plates, and a series of spirallyarranged bafiie-plates inthe outlet-chamber.

' 16. In agas-washer, the combination of two vertical chambers communicating at their lower ends, a gas-inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, baffle-plates in the inlet-chambenmeans for spraying water onto said bafiie-plates, and a series of spirallyarranged baflie-plates in the outlet-chamber,

said baffle-plates having down wardly-project- 'ing gutters at their upper edges.

'17. In a gas-washer, the combination of a scrubbing-chamber,achambercommunicating therewith, a series of spirally-arranged plates therein, and heated drying means in said chamber above said spirally-arranged plates.

18. In a gas-washer, the combination of a scrubbing-chamber,achambercommunicating therewith, a series of spirally-arranged plates in said second chamber and provided with downwardly-directed gutters at their upper edges, and heated drier-tubes arranged above said spiral plates.

19. In a gas;washer, the combination of a scrubbing-chambena second chamber communicating therewith, heated d rying-pipes therein, an outlet-pipe from said chamber, and a heated jacket in said pipe.

20. In agas-washer, the combination of two vertical chambers, a'gas-inlet in the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, a horizontal chamber connecting the lower ends of said vertical chambers, baffle-plates in the inlet-chamber, means for spraying water onto said plates, scrubber-plates arranged vertically and extendinglongitudinally in said horizontal chamber, means for spraying water on said scrubber-plates, and a series of spirallyarranged bafiie-plates in the outlet-chamber.

21. In a gas-washer, the combination of two vertical chambers, a gas-inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, a horizontal chamber connecting the lower ends of said vertical chambers, a series of bafiie-v plates in the inlet-chamber, means for sprayingwater onto said plates, a series of vertically-arranged plates in the/horizontal chamber and extending longitudinally thereof, means for spraying water onto said scrubberplates, and a series of spirally-arranged baffleplates in the outlet-chamber and provided at their upper edges with downwardly-directed gutters. i

22. In a gas-washer, the combination with two vertical chambers, a gas-inlet into the upper end of one of said chambers and a gasoutlet from the upper end of the other chamber, a horizontal chamber connecting the lower ends of said vertical chambers, bafile-plates in the inlet-chamber, means for sprayingwater onto said baflie-plates, vertical scrubber-plates in the horizontal chamber and extending longitudinall y thereof, means for spraying water onto said scrubber-plates, spirally-arranged bafiie-plates in the outlet-chamber, and heated drier-tn bee in said chamber above said spiral bathe-plates.

23. In a gas-washer, the combination of two vertical chambers communicating at their lower ends, a gas-inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, baflleplates arranged in both of said chambers, and perforated pipes arranged vertically in both of said chambers.

24. In a gas-washer, the combination of two vertical chambers communicating at their lower ends, a gas-inlet into the upper end of one of said chambers and a gas-outlet from the upper end of the other chamber, basinshaped and conical bathe-plates arranged alternately and oppositely at the walls and center of the inlet-chamber, a perforated pipe arranged vertically and horizontally in said chamber, spiral battle-plates in the outletchamber, and a perforated pipe arranged vertically and centrally in said chamber.

25. In a gas-washer, the combination of two vertical chambers communicating at their lower ends, a gas-inlet into the upper end of one chamber and a gas-outlet from the upper end of the other chamber, baffle-plates in the inlet-chamber, means for spraying water onto said baflle-plates, spirally-arranged plates in the lower portion of the other chamber, a perforated pipe arranged vertically in said chamber, and heated drier-tubes in the upper portion of said chamber.

26. In a gas-washer, the combination of two vertical chambers, a gas-inlet into the upper end of one chamber and a gas-outlet from the upper end of the other chamber, scrubbing means in the inlet-chamber, gas-drying means in the oulet-chamber, a horizontal chamber connecting the lower ends of said vertical chambers and having an overflow-outlet at one end, and jets projecting through the opposite end of said chamber and applied at the surface of the water and directed toward the overflowopening.

27. In a gas-washer, the combination .with two vertical chambers, a gas-inlet into the upper end of one chamber and a gas-outlet from the upperend of the other chamber, scrubbing one end, a gate for controlling said opening, and jets projecting of the chamber and applied at the surface of the water and directed toward the overflowopening.

28. in a gas-washer, the combination of a vertical scrubbing chamber, a collectingchamber at the bottom thereof provided with a trough or hopper bottom, cleaning-va lves in through the opposite end l an overflow-opening at one side 10 of said chamber, end it seal for closing said opening.

in testimony WhereofLthe seiid PATRICK MEEHAN, have hereunto set my bend. PATRJICK MN. Witnesses:

Ur. H. RANKIN, F. W. WINTER.

I said bottom,

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