US1749092A - Ash gate - Google Patents

Description

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ASH GATE A Filed lay 15. 192s s sheets-Sheet a @Honing K "Il Patented Mar. 4, 1930 UNITED STATES PATENT OFFICE LESLIE E. STRIEGEL, OF CLEVELAND, OHIO, ASSIGNOR, BY MESNE ASSIGNMENTS, TO THE ALLEN-SHERMAN-HOFF COMPANY, OF PHILADELPHIA, PENNSYLVANIA, A.

CORPORATION OF PENNSYLVANIA ASH GATE Application ledMay 15,

This invention relates to hoppers and more particularly to lioppers and their closures adapted for receiving and discharging hot ashes or otherloose material. In the usual practice ash hoppers are'designed to hold the hot ashes until they can be dischargedv into suitable transporting devices by an opening and closing member beneath the discharge opening. In order to quench the hot ashes to prevent them from injuring the walls of the hopper and Stoker parts, considerable water is sprayed on them. Itis desirable, therefore, to remove this water in a satisfactory and eieient manner.

An object of my invention is to provide for such hoppers a. gate construction having a door or gate which will at all times receive and carry to suitable drains easily and quickly all such 'water or other liquid without allowing it to escape and fall in undesirable places.

These and other objects will be apparent from the following description and annexed drawings, in which Fig. 1 is a plan view of a twin gate construction showing one of the doors n plan with parts in section as indicated in linek 1 1, Fig. 2.

Fig. 2 is a view on line 2 2, Fig. 1, being partly in section and partly in elevation.

Fig. 3 is an enlarged vertical section similar to Fig. 2 with the door in partially open position.

Fig. 4 is a vertical section on line 4 4, Fig. 1.

Fig. 5 is a section on line 5 5, Fig. 1, with the door omitted.

Figs. 6 and 7 are sections through the troughs in the door taken on lines 6 6 and 7 7, Fig. 1.

d Fig. 8 is a plan view of a modified form of oor.-

Fig. 9 is a section on line 9 9, Fig. 8.'

Fig. 10 is a section on line 10 10, Fig. 8 with the refractory material and face of the hopper indicated.

In the drawings the lower portion of the hopper or bin is indicated at 1 and consists of the ,usual metal walls 2 lined with fire brick or other refractory material 3. Sur- 1923. Serial No. 639,118.

rounding the discharge opening of the hop per is a gate construction comprising a frame 4 and a door or gate 5. The frame is supported from the hopper by any suitable means such as an angle iron 6 to which the frame is bolted.

The sides 7 of the frame are referably of channel construction, each having a vertical web 8, outer flanges 9 and 10, and inwardly extending flanges 11. Connecting the sides 7 of the frame are end members 7a and 7b. The outer flanges 10 of the sides form tracks on which the door is supported for recipro-V eating movement, the door being carried by arms 12 which project through slots 13 in the web 8 and carry rollers 14. The door is reclpi'ocated to open and closed position by any suitable mechanism, such as a door operating piston and cylinder, the piston rod 14 leing secured to a bracket 15, carried by the oor.

Along the sides and the front end 17 of the door are suitable channels or troughs 18 and 19 for carrying oil" the water which comes from the material in the hopper. The trough 19 slopes downwardly and outwardly toward the troughs 18 from its midpoint and troughs 18 slope along the sides of the door to the outlets 20 which deliver the water to a stationary trough 25. The troughs 18 partially underlie the inner flanges 11 of the frame members 7 and the front trough 19 underlies a similarly inwardly extending llange 11 of the cross member 7'. A

The inner flanges 11 extend to a position closely adjacent theoutwardly extending flanges 21 forming the inner edges of the trough opening to prevent ashes or other material from falling directly into the trough. The flange 11a extends to a position closely adjacent the inner wall of the trough 19, as shown in Fig. 2 for the same purpose.

If desired, the flanges 1l and 11a may be cut back or provided with downwardly extending flanges or lips 20 and 20a. Cooperating with the downwardly extending flanges 2O and 20a to prevent the water from being forced completely over the edge of the door are the outer flanges 22 of the troughs which are higher than andextend above the anges cured to or forming part of lthe frame-7 is al. downwardly extending flange'26 which ldirectsthe water escaping rearwardly in to a fixed trough 25.. The trough 25- extends adjacent the rear edge of the door to receive the water from the side troughs 18 and from struction it is of coursel easier to clean the troughs and remove the refuse therefrom vas by/a suitable nozzle similar -to that indicated in Fig. 2 and 3 or the troughs may be actually cleaned by mechanical means when they door is in open position.

In order to provide a suitable means for preventing the water on the upper faceof the door from being Iforced over the side edges of the door, the louter flange 48 ofthe trough 46 may be made to extend higher than the face of thev door, or downwardly extending the curved lip 27 at the rear of the door be-v flanges 47may be provided to extend below tween `the troughs 18. The upper edge. 25a of the trough 25 is under the lip 27 aty the rear 'of the door when the door 1s in closed position, and projects a substantial distance -forwardly of said lip to insure receiving the flange 20by is located inwardly of the flange 22 of the front trough on the doorl when the door is in closed position. The flangel 2Ob will of course cooperate with the flange 22 to deflect water into the trough 19 and prevent it `from'passing bodily over the front of the door.

A suitable nozzle, diagrammatically indil y cated at 30, may be provided for throwing streams of water under pressure in both directions to positively clean the troughs 18 and 19 when desired'. The nozzle is preferably carried by the frame 7.

. vA nozzle 31 is carried by the llange 26 of the frame to assist in removing the refuse from the stationary trough 25 to prevent its becoming clogged with refuse.

In Figs. 8 to 10 a modified form of gate construction is shown. The frame 40'is suspended from the hopper in the usual manner not shown) and has inwardly extending anges 41 and downwardly extending flanges 42, the former affording a seat for the refractory material indicated at 43 and forming the inside of the hopper. The door 44 is provided with the front trough 45 which slopes downwardly from the midpoint of the front of the door and curves into the side trou hs 46 which underlie the flanges 41 of the rame.

. With this construction the troughs are entirely open at the top and are disposed beneath the lianges 41 of the frame and out-- the outer flanges 48 of the trough, thus defleeting the water into the troughs 46.

The troughs 46 preferably slope downwardly towardthe rear of the door similar to the troughs 18, as shown in Fig. 7, the sides of the door beneath the bottom of the trough 46 being lightened, if desired, as indicated at49. o' f i As indicated iii Fig. 10, the door 44 is suspended to reciprocate on tracks 51 outside l the flange 42-of the frame, the suspending arms being indicated at 50 in Fi 8. This construction permits the sides of t e door to be located close to the inside of the frame, thus protecting the troughs and also the tracksy on which the door is suspended from thel ashes or other loose'material in the hopper.

It will thus be seen that when the door is in closed position the inner downward extending flanges of the frame are disposed closely ad] acent flanges on the door to prevent solid Vmaterial escaping into the liquid drain troughs or into the stationary trough. Consequently,.only the very fine material Vwill be carriedA into the troughs with the liquid and this can be removed by flushing the troughs with the'nozzles shown. v o

While .the gate constructions have been shown herein as applied to an inwardly'sloping hopper and one having metal walls lined ywith fire brick, it is to be understood that the gate mechanism is'applicable to any of the devices of ash hoppers in use, simply by ada ting the frame and gate to the. particular esign of hopper. v

While the gate construction shown in Figs. 1-3 is a twin gate construction o erated y a com mon cylinder, it is obvious t at my invention is applicablel as Well to a single gate which may be operated by a cylinder or any I other suitable operating means.

Furthermore, it Iis to be understood that the particular forms of apparatus shown and described, and the particular procedure -set forth, are presented for purposes of explanation and illustration and that various modifications'of said apparatus and procedure can -be made without departing from my invention as defined in the appended claims. What I claim is: j

1. A gate construction for an ash hopper having a bottom opening comprising a. frame surrounding said opening and having an inwardly extending member, a door mounted for movement into open and closed position with respect to said opening, said door having drain troughs along a plurality of its sides formed byY inner and'outer upstanding walls, said troughs being disposed beneath said inwardly extending member, a ange depending from said inwardly extending member between said inner and outer upstanding flanges and extending below the tops thereof.

2.- The combination with ahopper prop vided with a bottom discharge opening, of a frame having inwardly extending ilanges along its sides, a door mounted to open and close said opening, said door having drain troughs along its sides formed by inner and outer upstanding walls, said troughs being disposed beneath said inwardly extending flanges, and flanges downwardly extending from the inwardly extending anges and projecting below the tops of the inner'walls of said troughs and between the inner and outer walls of said troughs.

3. In combination with a hopper having a bottom discharge opening, a trough having spaced upstanding walls, a flange projecting from the hopper between said walls, ,and

. means beneath the hopper for causing liquid passing through the hopper to be discharged in said trough.

Intestimony whereof, I hereunto aiiix my signature.

LESLIE E. STRIEGEL.

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