US1148389A - Means for regulating the feed to refuse-destructor and other furnaces. - Google Patents

Description

H. N. LEASK. MEANS FOR REGULATING THE FEED T0 REFUSE DESTRUCTOR AND OTHER FURNACES.

APPLICATION FILED DEC. 30. I910.

Patented July 27, 1915.

3 SHEETS-SHEET l.

INWEWTDR 646% film-1} WITNES$ES H. N. LEASK.

MEANS'FOR REGULATING THE FEED T O REFUSE DESTRUCTOR AND OTHER FURNACES.- APPLICATION FILED DEC. 30. 1910.

EJ48 389 Patented July 27, 1915.

3 SHEETS-SHEET 2.

Flgz. E

a x F WITNESSES 292 COLUMBIA PLANOGRAPH C0.. WASHINGTON, u c.

H. N. LEASK.

MEANS FOR REGULATI NG THE FEED T0 REFUSE DESTRUCTOR AND OTHER FURNACES. APPLICATION man 05c. 30. 1910.

Patented July 27, 1915.

3 SHEETS-SHEET 3.

INVENTOR z f &

COLUMBIA PLANOGRAPH CO-YWASHINGTON, Dv c.

A FTD.

HENRY NORMAN LEASK, OF EGREMONT, ENGLAND.

MEANS FOR REG'ULATING THE FEED TO REFUSE-DESTRUCTOR AND OTHER FURNACES.

Specification of Letters Patent.

Patented July 27, 11915.

Application filed December 30, 1910. Serial No. 600,010.

nace in which a hopper container or skip either stationary or removable containing the refuse or other fuel to be fed to the furnace is arranged over the furnace and provided with a door or doors at the bottom of the hopper or container adapted respec- "tively to close the bottom of the container and the furnace opening.

It consists essentially of means operated by the opening or closing of the door or doors between the skip hopper or container and the furnace or from the front of the furnace whereby a spear or spears, arms, fiat doors, or the like are adapted to project into or across the skip, hopper or container at one or more points to hold up or support the refuse or other fuel upon them therein so that practically only that amount of refuse or fuel which is below the spears, arms, or the like is at liberty to drop into the furnace and so the amount of the charge fed to the fire can be governed, to some extent.

The invention will be fully described with reference to the accompanying drawings.

Figure 1. is a sectional side view showing a spear or spears operated by the opening of the furnace door. Fig. 2. is a similar view showing modified arrangement for operating spears by opening the furnace or container doors. Fig. 3. is a sectional end view of the structure shown by Fig. 2.

As shown in Fig. 1 and Figs. 2 and 3 the invention is applied to furnaces provided with charging doors. In Fig. 1. the furnace door A which is constructed independently of the container door B is carried on wheels a running on runways a adapted to raise the door A when it is moved away from the closed position by any convenient means as for instance by a chain as shown. The runways a or the tracks for the furnace door A are not continuous, the one set of tracks or runways for engagement by the wheels (I.

at the right end of the furnace door, for instance, as shown by Fig. 2, terminating as indicated by dotted lines in Fig. 2 in advance of the second set of ways or tracks a engaged by the wheel or roller a at the left end of the furnace door A, and by this means the said door A is permitted to fully close down over the opening of the furnace as shown by Fig. 2 because the wheels or rollers a at opposite ends of the door A operate on the inclines at the front extremities of the tracks or runways a, and conversely when the door is open it is uniformly elevatedat opposite ends to clear the furnace opening and to disengage portions of the door from the water seal or sealing means. This construction is identical with that disclosed by Fig. 1, the runways or tracks being the same, as clearly indicated in full lines, and showing that the track rails a at the left of the furnace opening terminate below the left ends of the similar track rails or runways extending along adjacent to the furnace opening for operation with the wheels at the right end of the door. The

door .A Fig. 1 is provided with lugs a adapted to engage a corresponding lug or lugs Z) on the container door B, the said container door being carried on wheels 5 running on rails 6 By this means the furnace door may be completely opened without opening the container door but the latter may then be opened by continuing the movement of the door A in the same direction.

On one side of the container C is mounted suitable brackets a carrying a bell-crank lever D fulcrumed at c. To the bell-crank lever D is pivoted at the upper end a prong or spear or prongs or spears E adapted to be forced into the container by the operation of the lever D. For this purpose the eX- ternal end 6 of the spear or spears is constructed so as to slide in a guide or guides F attached to the container and having pivot connection with the lever D, said pivot connection being adapted to slide in a slot d formed in the lever to permit the latter to swing on its fulcrum 0 associated with the bracket 0. The lower extremity of the bellcrank lever D is preferably provided with a runner d adapted to be engaged and raised by the furnace door A into the position shown by Fig. 1 when door A is raised by being moved forward from its seat. When the door A raises the runner d the bellcrank lever D is caused to move about its fulcrum 0 and the spear or spears E are at the same time moved into the container C so that when the container door B is opened the material in the container above the spear or spears E will not'fall into the furnace. The door A carries a rail a or extension by which the runner cl is held up after the door has moved from under it. The door A is also provided with a lug 0t" adapted to engage the runner d at the end of the return travel of the door after the container door B has been closed. The engagementof the lug a with the lever 03" and the container door are moved together;

This movement may be accomplished by means of a hydraulic ram as shown or by any other suitable means. In this arrange-' ment the lever D is pivotally mounted on a bracket attached to the container 0 and is provided with or carries a depending portion adapted to engage with a cam or inclined face G carried on the container door B. The upper end of the lever D is provided with a slot for the reception of the end of the spear E. A second spear E is mounted on the opposite side of the container and is connected to a lever D pivoted to a bracket carried on the container. This lever D is provided with a depending portion pivotally connected by a link H to an upwardly extending member a'lfixed to or adapted to move with the first lever D.

- In operation, when the furnace door A and the container door B are moved the spear E to be forced into the container to hold up any fuel above it. A similar movement is given to the spear E on the other side of the container from the link H and second lever D. A stop 9 is carried on the container door to engage the depending portion of the lever D and return it together with the spears to the original position, when the furnace door and the container door are again closed.

WVhat I claim as my invention and desire to protect by Letters Patent is 1. In a refuse destructor, the combination of a furnace having an upper feed opening, a container above and having its lower extremity over the said furnace feed opening, door means between the lower extremity of the container and the furnace opening and mounted to slide over and away from said opening and under and outwardly from beneath the lower extremity of the container, and dividing means movably operating to project into and to be drawn outwardly from the interior of the container and having actuating devices separate from and in part engaged by opposite portions of the door means to automatically and correctly position the said dividing means relatively to the position of the door means.

2. In refuse destructors and other furnaces, the combination of a furnace with an upper inlet, a container over the furnace adapted to receive and feed to the said furnace and having a movable door, a door for the furnace inlet, devices engaging and projectable into the container to separate the fuel in the latter into charges, and means also associated with said devices and engageable by one of the said doors for operating the devices.

In testimony whereof I have hereunto set my hand in presence of the subscribing witnesses.

HENRY NORMAN LEASK.

Witnesses:

. J OHN VVI'LLIAM THOMAS, MALCOLM SMn'rHURsT, I. OWEN OBRIEN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.

Images