US1876801A

US1876801A - Gas producer

Info

Publication number: US1876801A
Application number: US387244A
Authority: US
Inventors: Joseph Van Ackeren
Original assignee: Koppers Co Inc
Current assignee: Beazer East Inc; Koppers Co of Delaware
Priority date: 1929-08-20
Filing date: 1929-08-20
Publication date: 1932-09-13
Anticipated expiration: 1949-09-13

Description

Sept. 13, 19325 J. VAN ACKEREN 1,

GAS PRODUCER Filed Aug. 20, 1929 2 Sheets-Sheet 1 1N VE N TOR Sept. 13, 1932. Y J. VAN ACKEREN 1,876,801

GAS PRODUCER Filed 20, 1929 2 Sheets-Sheet 2 Patented Sept. 13, 1932 UNITED STATES PATENT! OFFICE JOSEPH van noxnnnrr, or OHARA 'rownsnrr, ALLEGHENY COUNTY, ramrsnvnnm, nssrenon ro THE KOPPERS COMPANY OF'DELAWARE, A coaroanrron or DELA- WARE ens rnonucna I My invention relates to gas producers and particularly to apparatus for removing ash therefrom.

One object of my invention is to provide simple and efiicient apparatus for continuously and automatically removing ash from gas generators during their operation.

A further object of my invention is to provide a rotatable ash pan having apparatus carried thereby for removing ash therefrom while the pan is rotating.

A further object of my invention is to provide a rotatable ash pan having apparatus carried thereby and movable therewith for removing ash therefrom in a circular path during the rotation of the pan.

In accordance with my invention, I provide a gas producer having a rotatable ash pan for providing a water seal in accordance with usual practice. The pan is provided with a plurality of ash-lifting devices that rotate with the pan and transfer ash therefrom to a stationary circular trough surrounding the pan. Ash plows that are carried by the pan actuate the ash along the circular trough to an outlet opening from which the ash may be removed by any suitable or usual means.

In the accompanying drawings,

Figure 1 is a view, partially in elevation and partially in vertical section, of a gas producer constructed in accordance with my invention;

Fig. 2 is a horizontal sectional view taken on the line II-II of Fig. 1;

Fig. 3 is an enlarged vertical sectional viegv of a portion of the apparatus of Fig. 1; an

Fig. 4 is an enlarged side view of one of the ash-lifting devices.

A gas producer 1 comprises a stationary portion 2 that is supported on any suitable structure, as, for example, framework 3. The stationary portion 2 of the generator which contains the fire bed indicated at 4 is provided with a charging mechanism 5 and a gas oiftake pipe 6.

The bottom of the producer is provided with a rotatable structure comprising an annular ash pan 7 having an inclined outer s1de 8. An annular flange 9 connected to the statlonary portlon 2 extends downwardly 1nto the pan 7 which is partially filled with water to provide a liquid seal between these relatlvely movable parts.

The ash pan 7 is rotatably mounted on a foundation 10 by means of a ball race 11. The ash pan 7 and the foundation 10 are connected by a water seal formed by a stationary annular trough 12 and an annular flange 13 connected to the ash pan.

The ash pan 7 carries an eccentrically mounted grate 15 that is provided with suitable perforations for admitting air under pressure to the fuel bed. Air is supplied to the grate 15 through-a pipe 16 and a vertical duct 17 in the foundation 10.

The ash pan 7 is rotated by a mechanism comprising a relatively large worm gear 18 and a driving mechanism therefor comprising an intermittent mechanism 19 that is actuated by a rod 20 and an eccentric 21 whereby relatively slow motion is imparted to the ash pan 7 and its associated parts.

As is best shown in Figs. 2 and 3, the inclined outer side of the ash pan 7 has mounted thereon a series of rotatable ashlifting devices 22 having curved arms 23 for lifting ash from the pan 7 outwardly over the edge thereof. Any suitable number of ash-lifting devices 22 may be employed, siX being shown by way of example.

The ash-lifting devices 22 are actuated by means of rollers 24 mounted on pins or spokes 25 that extend outwardly from the stationary portion 2 of the producer substantially parallel to the axis of rotation of the ash-lifting devices 22.

An annular trough27 extends around the periphery of the ash pan 7 in such position as to receive any ash that may be discharged from the ash pan by means of the several ash-lifting devices 22. The trough 27 is provided with an outlet opening 28, into which the ash is actuated by a series of plows 29 that are carried by the ash pan 7.

In the operation of the producer, the fuel is gradually consumed by the introduction of air through the grate 15 and the resulting ash descends at a corresponding rate into the ash pan 7 The latter rotatesat a relatively low speed to'cause the eccentric grate to agitate the fuel bed and to cause the ash to move gradually downwardly into the ash pan. As the ash pan rotates, the rollers 24 rotate the ash-lifting devices 22 and the latter lift accumulated ash from the bottom of the pan 7 into the annular trough 27.

Each of the ash-lifting devices operates continuously throughout the circular path of rotation of the ash pan. At the same time,

the ash plows 29 actuate the ash along the trough 27 to the outlet opening 28, from which it may be removed by any suitable means.

It will be noted that I have provided a simple and efiicient mechanism whereby ash is removed from the ash pan by means operating continuously throughout the rotation of the ash pan. The operation of the ash-lifting devices is brought about by the relative movement between the ash pan and the body of the producer.

The operating portions of the mechanism are easily accessible for inspection and repair and are of such rugged nature as to operate for long periods without material wear. The foregoing and other advantages will be apparent to those skilled in the art relating to gas producers.

I claim as my invention:

1. A rotatable ash pan, a rotatable ashlifting device carried thereby, means operable to rotate said device when said ash pan is rotated, a trough for receiving ash from said device and means for removing ash from said trough.

2. A gas generator comprising a rotatable grate, a rotatable ash pan for containing water and for receiving ash from said grate, an annular receptacle adjacent thereto and having an outlet, and means carried by said pan for continuously transferring ash from said pan to said receptacle and for actuating ash in said receptacle into said outlet.

3. A gas generator comprising a rotatable ash pan, an annular receptacle adjacent thereto and having an outlet, means for transferring ash from said pan to said receptacle, and means movable with said pan for continuously moving ash in said receptacle toward said outlet.

In testimony whereof, I have hereunto subscribed my name this 16th day of August,

JUSEPH VAN ACKEREN.