US1524466A - Fuel-charging device - Google Patents

Description

D. J. YOUNG FUEL CHARGING DEVICE Jan, 27. 1925.

' Filed Dec. 18, 1923 2 Sheets-Sheet 1 6 4 3 I m 7 w 4 w w w 25 7 H Z 2 .3. 6 3 4 0 n. 5% Z w 7 n w 5 7 2/), Z w IN 8 3 3 4, a 2 a x 5 6 1,524,466 D. J. YOUNG FUEL CHARGING DEVICE Filed Dec. 18, 1923 2 Sheets-Sheet 2 "IIII "Inventor fid/lff/d X 10 9 Patented Jan. 27, 1925.

UNITED STATES DANIEL J. YOUNG, F TACOMA, WASHINGTON".

FUEL-CHARGING DEVICE.

Application filed December 18, 1923.

To all whom it may concern:

Be it known that I, DANIEL J. YoUNe, a citizen of the United States of America, residing at Tacoma, in the county of Pierce and State of Washington, have invented certain new and useful Improvements in Fuel-Charging Devices, of which the following is a s ecification.

The invent1on relates to fuel charging devicesfor gas producers or other furnaces in which it is desirable that the fuel be distributed uniformly over the entire surface of the fire-bed instead of being delivered in a heap at the center.

An important object of the invention is to provide an improved charging device which will secure such uniform distribution and which will be entirely gas tight even when the fuel is being delivered to the producer. A further object is to provide a charger which is not dependent on the presence of fuel to render it gas tight, the parts of the device being so assembled that no leakage is possible. Another object of the invention is to provide a fuel charger consisting of superposed annular members having their axial openings in alignment, whereby a central opening for initially charging the furnace is provided, and having also eccentric openings through which uniform distribution of fuel may be secured when the furnace is in operation. Another object is to provide a fuel leveling device or plow for use in con nection with feeding the improved charging mechanism.

Other objects will be apparent from the accompanying detailed description and the appended claims.

Referring now to the drawings in which is shown an illustrative embodiment of the invention,

Fig. 1 is a central vertical section of the upper part of a gas producer or the like shown as provided with the improved charging device.

Fig. 2 is a plan view on a reduced scale showing the superposed annular charging members which constitute the main features of the invention.

Fig. 3 is a detail sectional view showing a ring member which rests upon the top of the gas producer and to which the charging mechanism proper is secured.

Fig. 4 is a detail plan view showing the lowest of the three annular charging members.

Serial No. 681,341.

Fig. 5 is a vertical sectional view of the same.

Fig. 6 is a plan view of the rotatable intermediate charging member.

Fig. 7 is a vertical sectional view of the same.

Fig. 8 is a plan view of the upper annular charging member, and

Fig. 9 is a vertical sectional view of the same.

Referring particularly to Fig. 1, the reference numeral 10 denotes the wall of gas producer or furnace of any desired construction upon which the improved charging device is mounted. It will be noted that the fuel bed 11 is of nearly uniform depth.

A simple means for mounting the fuel charger is provided which permits it to be used with any kind of producer, furnace or the like. As shown, a ring 12 (see Fig. 3) rests upon the top of the producer and is provided with upper and lower outwardly extending flanges 13 and 14 and with an inwardly extending flange 15. A liner 16 is suspended from the flange by means of a flange 17.

As shown, the fuel charger comprises three superposed annular members or rings 18, 19 and 20, the upper and lower of which are fixed, while the intermediate ring 19 is rotatable relative thereto. The three members are provided with co-axial openings forming a single central charging opening 25, through which fuel may be initially fed directly .into the interior of the producer. In addition to the central opening, each ring has a plurality of eccentric openings through which fuel is distributed into the producer during operation, of the same.

As shown, the charging member 18 rests upon the flanges 17 and 13 of the liner 16 and ring 12 respectively and is secured to the flange 13 by means of bolts 21. The lower ring 18 may be water-cooled as indicated at 22, water being admitted at 24:. A collar 26 on this lower member lines the central opening 25, over which asuitable cover plate 27 may be normally secured.

Any suitable clamping means for the plate 27 may be employed. As shown, a cotter bar 28 and T-screw 29 are employed, the threaded portion of the T-screw being screwed into the bar 28 and plate 27. Bolts 30 (Fig. 2) passing through the ends of the cotter bar are threaded into the collar 26, whereby the cover plate 27 may be firmly I gularly displaced from those of the upper 1 below it.

ring to prevent the passage of fuel directly from the outside to the inside of the fur nace and to prevent the escape of gas from the producer. The rotatable intermediate ring 19 is provided with openings 34% equal to in number or greater or less in number than the openings in the upper and lower charging rings. Preferably, the openings in the rings 18, 19 and 20 are so arranged that but one pair of openings in adjacent rings can be brought into registry at one time.

. It will be further noted that the successive charging members 18, 19 and 20 are provided withannular flanges and grooves, the flange on each upper member fitting into the corresponding groove in the member next The eccentric openings 32, 33 and 34 are formed in these flanged portions.

C With the openings arranged as described in "the preceding paragraph and with the charging members tightly fitting into one another, as set forth above, it is obvious that the escape of gas from the furnace is impossible, regardless of the presence or absence of'fuel in the charging mechanism.

Any suitable means for rotating the ring 19 may be employed. As shown, this intermediate ring extends radially beyond the upper and lower rings and. on its'periphery "is mounted a ring gear 35 with which 00- operates a beveled gear 36, operated from "any suitable source of power.

Oil holes or grease ways 38 may be provided for the purposeof admitting lubrica'nts for reducing friction between the bearmg, surfaces of the rings 19 and 20, steel rollers S9being also employed, if desired. It hasfbeen found in practice,however, that the tar and oils distilled from the fuel,

when mixed with particles of fuel pulverzed by being crushed between therelatively rotating chargingmembers, serve as a very the central opening 25 after which the top efficient lubricant-and, furthermore, render the charger absolutely gas-tight. j

Any suitable means for deliver ng fuel to the charger may be employed. As shown, a

=hopper 40 is secured to the top ring 20 in any suitable manner, as by bolts 41. The furnace may be initially charged through plate 27 is clamped into position, and a. re-

movable conical cap 41 placed over the whole. Fuel may then be fed to the pp from a screw conveyor 42 or other suitable lower ring.

means, which delivers coal or the like upon in g member 20:

On rotation of the member 19, fuel is carried in measured amounts from an opening 32 in the upper ring to an opening 33 in the K In this manner, fuel is continually and evenly distributed to the producer, while at the same time, the esca )e of gas and the entrance of air are effectively prevented.

In order to prevent caking of the fuel within the hopper 40, plows 43 may be provided. As shown, these plows are mounted upon rods 14: which are bent over the wall of the hopper. The rods may be secured to the rotatable ring 19 byany suitable means, as the bolts 15. The plows thus rotate in unison with the ring 19 and serve to level the fuel within the hopper and to prevent any caking thereof. It is apparent that a further function of these plows may be to distribute fuel within the hopper when it is found desirable to deliver fuel at one side thereof instead of over a conical cap, as shown in Fig. 1.

I claim 1'. In combination with agas producer or other furnace, a fuel charging mechanism mounted upon the wall of said furnace and concentric therewith, said mechanism comprising a pair of relatively fixed upper and lower charging members, each having an eccentric feed opening therein, said openings being angularly displaced relatively to each other. an intermediate carrier member rotatable relative to the said upper and lower n'iembers. and having an opening therein adapted to convey fuel from the opening in said upper member to an opening in the lower member, the fuel being delivered from said lower member to the interiorof said furnace adjacent the outer wall.

2. A fuel charger comprising in combination a pair of relatively fixed upper and lower annular charging members each provided with a plurality of eccentric feed openings. and an intermediate annular carrier member rotatable relative to the said upper and lower members, and provided with a. plurality of eccentric openings.

I A fuel charger comprising a plurality of superposed annular members having axial charging openings in alignment, each member being provided also with a. plurality of eccentric openings, alternate members being relatively fixed and having their eccentric openings permanently out of alignment, and an intermediate member between each pair of fixed members rotatable relative thereto,

its eccentric openings being so arranged with respect to the eccentric openings in the adj acent members that but one of its openings llil is in registry with an opening in an upper and lower member at one time.

4. A fuel charger for furnaces supported wholly upon the furnace wall, comprising in combination a pair of relatively fixed upper and lower charging members, each member having an opening therein which is eccentric both with respect to said member and with respect to the fuel bed of the furnace, the opening in said upper and lower member being angularly displaced with respect to each other, and an intermediate carrier member rotatable relative to said upper and lower members, and having an opening therein adapted to convey fuel from the opening in said upper member to an opening in said lower member. I

5. A fuel charger comprising a pair of relatively rotatable superposed upper and lower plates, each having charging openings adjacent its periphery, a fuel hopper mounted on the upper plate, the lower plate extending beyond the upper plate and carrying thereon a plow, said plow extending into the hop er.

6. A fuel charger comprising three superposed plates having aligned axial charging openings, said plates having corresponding annular flanges and grooves, whereby each successive plate is seated in the plate beneath, a plurality of charging openings formed in the flanged portions of each of said plates, and means for rotating the intermediate plate relative to the upper and lower plates, whereby its eccentric openings are successively brought into registry with the openings in the upper and lower plates.

7. A fuel charger comprising a pair of relatively rotatable charging members having aligned axial charging openings, each member having also a plurality of eccentric openings so arranged that but one pair of openings in the upper and lower members can be in registry at one time.

8. A fuel charger comprising a pair of relatively rotatable upper and lower charging members having aligned axial charging openings, each member having a plurality of eccentric openings so arranged that but one pair of openings in the upper and lower members can be in registry at one time, a fuel hopper mounted on the upper member, a removable conical cover for said axial openings, a feeding device delivering to said hopper, and plows mounted upon the periphery of the lower rotating member and extending into the hopper.

9. A fuel charger comprising a plurality of superposed annular members having axial charging openings in alignment, each memher being provided also with a plurality of eccentric openings, alternate members being relatively fixed and having their eccentric openings permanently out of alignment, and an intermediate member between each pair of fixed members rotatable relative thereto.

10. A fuel charger comprising three superposed plates, said plates having aligned axial charging openings and having also corresponding annular flanges and grooves whereby each successive plate is seated in the plate beneath and having a plurality of charging openings formed in the flanged portions of each of said plates, together with means for rotating the intermediate plate relative to the upper and lower plates, whereby its eccentric openings are successively brought into registry with the openings in the upper and lower plates, and having, further, a fuel hopper mounted on the upper member, a removable conical cover for said axial openings, a feeding device delivering to said hopper, and plows mounted upon the periphery of the rotating member and extending into the hopper.

11. A fuel charger as defined in claim 6 in which the openings of successive plates, when in registry flare outwardly from top to bottom.

12. A fuel charger as defined in claim 10 in which the openings of successive plates are outwardly flaring.

13. A fuel charger as defined in claim 6 in which the lower plate is water-cooled.

14. The combination with a gas producer or other furnace of a fuel charging mechanism therefor, comprising a pair of relatively fixed upper and lower charging members each provided with a plurality of eccentric feed openings, and an intermediate carrier member rotatable relative to the upper and lower members and provided with a plurality of eccentric feed openings.

15. The combination with a gas producer or other furnace, of a fuel charger comprising a plurality of superposed annular members each having a plurality of eccentric openings, alternate members being relatively fixed and having their eccentric openings permanently out of alignment, and an intermediate member between each pair of fixed members rotatable relative thereto, its eccentric openings being so arranged with respect to the openings in the adjacent members that but one of its openings is in registry with an opening in an upper or lower member at one time.

In testimony whereof I affix my signature.

' DANIEL J. YOUNG.

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