US872390A - Lime-hydrating machine. - Google Patents

Description

No. 872,390. PATENTED DEG. 3, 1907. J. H. VAN GLAHN.

LMB HYDRATING MACHINE.

APPLIUATION FILED HAB. 4. 1907.

2 SHEETS-SHEET 1.

No. 872,390. y

P ATENTBD DB0. 3,1907. J. H. VAN GLAHN.

LIME HYDRATING MACHINE.

APPLIOATION FILED MAR. 4, 1907.

2 SHEETS-SHEET 2.

WVI'NESSES.- c.. WJ@

PATENT OFFICE.

JOHN H. VAN GLAHN, OF TOLEDO, OHIO.

LIME-HYDRATING MACHINE.

Speccation of Letters Patent.

Patented Dec. 3, 1907.

Application ined March 4.1907. serai No. 360.354.

To all whom it may concern:

Be it known that I, JOHN H. VAN GLAHN, a citizen of the United States, residing at Toledo, in the county of Lucas and State of Ohio, have invented certain new and useful Improvements in Lime-Hydrating Machines; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanymg drawings, and to the letters and igures of reference marked thereon, which form a part of this specilication.

My invention relates to a machine for the hydration of lime and is 'designed to furnish a mechanism by means of which definite quantities of quick lime may be mechanically fed to the machine and by means of which as the lime is fed to the machine it is supplied automatically with a definite predetermined proportion of water just sull'icient to effect hydration.

My invention is also designed to thoroughly agitate and mix the Time after the water has been added and to screen the hydrated lime, separating the line hydrated product from the lumps and coarser portions of the lime, thus furnlshing a uniform product.

I attain these objects by means of the devices and arrangement of parts hereinafter described and shown, and illustrated in the accompanying drawings in which,-

Flgure 1 is a side-elevation of my machine with .one ofthe sides removed to disclose the interlor mechanism and arrangement; Fig. 2, an end-elevation of the same seen from'the left7 with the end-covering removed; Fig. 3, a vertical transverse sectional. elevation taken on line w, Fig. 1 Fig. 4, a like view taken on line Fig. 1, and Fig. 5, a similar view taken on line y, Fig. 1. f

Like numerals of reference indicate like parts throughout the drawings.

In the drawings, 1 is an elongated rectangular frame closed tightly at its sides, ends, top, and `bottom to revent the escape of dust. Lengthwise o? the chamber thus formed `is a trough 2 forming a horizontal partition through nearly the entire length of the machine. Over the top of the inlet-end of the machine is a ho per 3 having a spout 4 pivoted, as at 5,' and) discharging, as at 6,

` spout causes the lime to be fed from the hopper uniformly. The shaft 8 is journaled at one end of a frame 9, ivoted, as at 10, upon the frame of the mac ine, the opposite end of the frame 9 being connected by cord 11 with a winch 12 by means of which the knocker 7 is adjusted in relation to the s out 4, thus regulating the length of drop o the spout and the consequent force of the knock. Quick lime bein supplied to the hopper 3, the shaft 8 and nocker 7 being in motion, the contents of the hopper will be delivered into the hydrating chamber of the machine at a regular uniform rate, the feed from the hopper being regulated by means of the winch 12 as above stated.

13 is a tank mounted upon the top of the machine' near the hopper 3 and divided into an up er and lower chamber. Water is fed into t e upper chamber through supply pipe 14 and is discharged through the o ening 6 into the hydrating chamber by discharge pipe 15 leading from the lower chamber of the tank 13.

16 is avalve in the supply-pipe controlled by an adjustable float 17, this oat and valve tending ,to maintain the water in the upper chamber of the tank constantly at a uniform hei ht. In the floor of the upper chamber of t e tank is a valve 18 the stem of which is connected with a lever 19 fulcrumed at 20 and connected at its other end, as at 21, with a vertical rod 22 which at its lower end is pivoted, as at 23, to a lever 24. This lever is fulcrumed at one end n the side of the machine, as at 25, the other end of the lever lying in the path of a finger orwiper 26 fixed radially upon the shaft 27. At each rotation of the shaft 27 the valve 18 is opened and the water is permitted to ow from the upper chamber of the tank as long as the rod 24 1s engaged by the wiper 26, permltting a quantity of water to flow from the upper chamber of the tank into the lower chamber 1n direct roportion to the time that the valve 18 1s lield open. The length of time that the valve 18 remains open is governed by means of an adjusting device in the lever 24. This lever is made in two parts vwhichmoverlap each other, as at 24,'(see' Fig. 1), the overlapping portions being clamped together by screws 24h. By means of the screws and holes or slots in the overlapping ends of the two parts of the lever 24 the lever may be lengthened or shortened at will so that the wiper 26 may barely touch the end of the lever 24 or it may be caused to englpge the lever for a considerable portion of t e rotation of the wiper. A definite portion of water having been perlmtted to flow into the lower chamber of the tank, this water now escapes through the pipe 15 at the same time that the lime is flowing from the spout 4 and in a quantity in -direct proportion to the regulated. feed of the lime. The discharge pipe 15 is provided with a cock 15,

by which the How of the water from the lower compartment of the tank may be exactly adjusted.

The .shaft 27 extends across the hydrating chamber atits inlet-end, and on this shaft, on opposite sides of the chamber, are mounted a pair of sprocket-wheels 28. At the opposite end of this chamber is journaled a shaft v29, extending across the hydrating chamber, and on this shaft are fixed, at op posite sides of the chamber, a pair of sprocket wheels 30. Over each pair of s rocket-Wheels 28-30 asses an endless c ain 31. Secured horizontally between these two chains', at regular equi-distant intervals, are Scrapers or plows 32 curved in vertical section and havin operative edgesl which conform to and bare y touch the bottom of thetrou h 2. i

Between the ines and y-Jy, Fig. 1, the frame and casing of the machine is broadened as illustrated in Fig. 4. In this broadened part of the machine at o posite` sides of the path traversed by the p ows 32 are suspended vertical screens or sieves 33 vfrom hangers 34. These screens are connected by rods 35 to levers 36 fulcrumed at one end, as at 37, upon the frame of the machine, the other end of the lever being connected, as at 38, with a cam-rod 39 connected with a cam 4() on shaft 41, driven as hereinafter described.

The chamber of the broadened part of my machine is provided with a floor 42 inclined downwardly toward its longitudinal center -as shown in Fi 4, this troughlike loor eX- tending beneat the trough 2 and the screens 33.r In the meeting an le of the flooi` 42 is a worm conveyer 43 lea ing to the discharge spout 44 of the machine.

Y At its discharge end the trough 2 1s 1nclined upwardly and terminates directly above a shaking screen 45 swiveled at one' end upon horizontal cranks 46 and at its other end upon the cam-rod 39. The discharge end of the screen' 45 has an outlet down upon t spout 47. Beneath the screen 45 is a hble driven as indicated by the dotted lines in f Fig. 1-. The drum 494 has an opening which communicates, as at 52, with the conveyer 43. The underside of the drum 49 is pivoted as at 49, and-one margin of its outlet is adjustable by means of .wedge 49b by means of which the space between the wall of the drum and the margin ofthe beater 50 may be adjusted as may be required;

The means for driving the various mechanisms of my machine will be readily understood from l.an ins ection of Figj-,l of the drawings. '53 is a riving pulley securedto a shaft 53i ljournaled on top of the machine. On this shaftis a chain-wheel 'from which power is transmitted through chain 54 to a pulley on the shaft 7. yOn the shaft 53 is another chain-wheel which'- through chain 55 transmits power to gears 56, 57, 58, and 59, in the order` named, and through the chains 31 to the chain-wheel 28. On the shaft '53 is still another pulley which, through belt 60, transmits power tobevel gears` 61 which drive the conveyer 43, also to pulley 62 which through belt 63 drives 'the eccentric and its shaft 40-41. f l

Theoperation of my device is as follows: The hopper3 being supplied with uick lime,

broken into small pieces, the tank eing conscribed. Now the Scrapers or plows 32 catch the lime and force it slowly along the trough 2, turning the'material over and over and thoroughlyagitating it 'as it moves forward into that art of the chamber bounded at oposite si es by thereciprocating screens 33. y the time the lime has reached this point it has greatly increased in bulk `and has be come soft and to a great ext-ent powdered. The. screens 33 rubbing againstfthe sides of the mass cause the soft and powdered lime, for the most art, to fall through the screens fie inclined surfaces 42 and into the open conduit of the conveyer 43 from whence the powdered finished material is conveyed to the spout 44 and into bags or other receptacles. That part of the lime which does not pass through the screens 33 r continues in its course along the trough 2 and is further turned and agitated-by the plows 32 until it falls -u on the shaking screen 45. The lime which 1s fine enough to pass through this screen falls into the drum 49 where it is pulverized by the attrition and blows of the beater-arms 50. The lime from the drum 49 falls into the conveyer 43 with the other finished product. That part of the material which does not pass through the screen 45 passes over the end of the screen and out through spout 47 from whence, if desired, it may be conveyed back to the hopper 3 to be again treated.

Having described my invention and its operation, what I claim and desire to secure by Letters Patent is,-

1. I a machine of the described character, an4 elongated chamber having a trough-like bottom, an endless series of Scrapers traversing said trough-like portion, means at one end of said chamber for feeding into the chamber lime and water in regulated quantities and proportions, at the other end of said chamber upright screens at the sides of the chamber, means for actuating said screens, a screen beneath the discharge end of the trough-like part arran ed to separate the coarse from the fine hy rate, and means for actuating said screens.

' v2. In a machine of the described character, an elongated chamber having a troughlike bottom, an endless series of scrapers traversing said trough-like portion, means at one end of said chamber for feeding into the chamber lime and water in regulated quantities and proportions, at the other'end of said chamber upright screens at the sides of the chamber, means for actuating said screens, a screen beneath the discharge end of the tro h-like part arranged to separate the coarse om the fine h drate, means for actuating Isaid screen, a verizin mechanism arranged to receive the fine hy rate from the screen last mentioned, and means for conveying the output ofthe pulverizer and of the screens first mentioned to a common outlet,

3. In a lime h drating machine, a hopper, a s y out for the opper pivoted at its upper en a knocker for the lower end of the spout, means for adjusting the force of the knock, a tank having two compartments one above the other, afloat valve in the upper tank, a valve 'between the two tanks, a driving gear for the machine, connections between the driving gear and said knocker and between' the driving gear and said last mentioned valve, means for the adjustment of said connections whereby the force of the knock mayl be regulated and whereby the intervals between the movements of said last mentioned valve may be varied, an elongated chamber end of said cham er in regulated quantities and proportions, means for agitating and` conveying lime through said chamber from.

its inlet-end to its discharge-end, a pair of screens at o posite sides o said chamber, a floor beneat -said chamber and said pair of screens inclined downwardly and inwardly toward each other, and a conveyer in the meeting angle of said floor.

5. In a hme hydrating machine, an elongated chamber having a trough-like floor, means for feeding lime and water into one end of said chamber in re ulated quantities and proportions, meansv or agitating and conveying lime through said chamber from its inlet-end to its dischar e-end, a pair of screens at o posite sides ofgsaid chamber, a floor beneatli said chamber and said pair of screens inclined downwardly and inwardly toward each other, a conveyer in the meeting angle of said floor, and another screen onto whlch said first mentioned trough-like fioor discharges, adapted to separate the coarse from the fine product and to discharge its fine screenings into said conveyer.

6. In a lime hydrating machine, devices for feeding lime to the machine in regulated uantities, devices for feeding Water to the lime in regulated volume, means for agitatroo

Images