US1030477A - Bag-house. - Google Patents

Description

A. J. MEIER.

BAG HOUSE APPLIO-ATION FILED MAY 19, 1911.

Patented June 25, 1912.

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WOTNESSES INVENTOH plan sTATEs ALBERT J. MEIER, OF GLENDALE, MISSOURI.

. nae-nousn Specification of Letters Patent.

' Patented June 25, 1e12,

Application filed May 19, 1911. Serial in. 528,341.

To all whom it may concern:

Be it known that I, ALBERT J. MEIER, a citizen of the United States, and residin at Glendale, in the county of St. Louis an State of Missouri,.have invented certain new and useful Improvements in Bag- Houses, of which the following is a specification.

This invention relates to bag-houses used in metallurgical practice for saving the fume and dust by filtration of the fume through bags of cloth.

- A bag-house as used in metallurgical practice is a building 01: structure divided off by a horizontal partition into a bag chamber and a fume inlet and deposit chamber or cellar. The partition is formed with a number of holes provided with thimbles. The bags are tubes of cotton or woolen cloth about 18 inches in diameter and from 20 to 30 feet longf These bags are closed at one end and suspended by their closed ends in the bag chamberand with their open ends over the holes and tied to the lhimbles in the partition. The gas or fume conducted into the inlet chamber and is drawn through the bags by means of an exliaust fan connected to the bag chamber;

By passing the fiime through the bags, the fume and dust willbe deposited on the interior walls thereof and is periodically removed by shaking the bags, the dust dropping into the deposit chamber or cellar where it is ignited and sintered together so that itcan be smelted. While the bags are shaken the damper betwe' the inlet pipe or flue and the deposit camber must be closed in order that the pressure on the interior and exterior of the bags will be equalized.

Heretofore the operation of shaking the bags has been entirely manual. The damper was closed and an operator was then required to enter the bag chamber and shake the bags. Since the operator is subjected to the poisonous gases in the bag chamber, especially Where a lead fume 1s treated, 'the operation is not only disagreeable but dangerous as well. On the other hand the manual operation is exceedingly slow and tedious and therefore is done at comparatively long intervals, so that the efliciency of the apparatus is very much reduced on account of the clogging taking. place between successive shaking operations.

fore is to construct a bag-house, and provide operating means for shaking the bags which will not require the operator to enter the bag chamber, and to construct the operating means so that the bags will be shaken intermittently and .at ,eomparatively short intervals.

Another object is to combine with bag shaking means, mechanism for closing the damper between the inlet chamber and the flue while the bags are being shaken.

Another object is toconstruct the bag shaking means so that it will operate to shake the-bags in sections, and to provide means constructed to cut off the fum'e supply from the section which is to be shaken, leaving thefume turned on to the other sections.

Another object is to provide a novel sup porting 'means for the bags to permit easy shaking operation thereof and to permit a row of bags to be shaken as a unit.

Further objects will appear from the detail description taken in connection with the accompanying drawings in which:

Figure 1 is a plan view partly in section of a bag-house and showing one'embodiment of this invention, and Fig. 2 is a section on the line 2-2 Fig. 1,

Only so much of a bag-house is shown as to illustrate and permit explanation of this invention, since bag-houses are well known to those skilled in the art.

Referring to the accompanying drawings, 10 designates one of the walls of the structure forming the bag-house, and 11 the parspace below the partition is divided by walls 12, 13, 14, etc., into a number of cellars B, G, D, E, etc. A gas main or fume flue Gr runs along the ends of the cellars and opens therein by means of damper controlled ports 'or passages, 12 being the port or passage connecting the cellar B with the flue, but it will be understood that each dollar has its separate damper controlled passage or port connecting it with the line.

The partition plate has formed therein rows of holes 15 provided with thimbles 16. The bags 17 are suspended from bars 18, the upper ends of these bags being closed and connected to the bars by means of eyes 19, andthe lower open ends of the bags extend One ofthe objects of-this invention'there ing over the holes 15 andbeing tie to the thimbles 16. The bags are suspended in rows, each'rowbeing supported by a bar 18,

and these bars being supported by means of springs 20 from beams 21, there being preferably a' .spring opposite each suspension point of a bag.

The-bars 18 are provided at one of their ends with rolls 22 adapted to be engaged by shakingcams 23on an operating shaft 24. This shaft extends across the building and is driven at a slow speed and in a clockwise direction from a suitable motor 25 thrdu h a countershaft 26, a-,wor1n and wheel 27, a d

rod 18 guides I and move the bars 18 lengthwise or laterally in the direction of their length against the tension of the springs 20 supporting them.

I AftGI lBhBSB cams pass the rolls, the bars will .be released and will be returned with the bags thereon to original position. This releasing movement Will cause the bars 18 supporting the bags to beshaken laterally sov as to shake the deposited matter into the cellars. The cams for the bars of a section are mounted on the shaft 24: in the same angular relation so that the bars Will. be operated simultaneously to shake the bags of a section simultaneously. The sets of cams for operating the bags of the difi'erent sections are. however displaced angularly so that the bag sections will be shaken successively. Thus the sections will be shaken successively in the order B, C, D, E, etc.

While the bags of a. section are being. shaken, the damper for that section must be closed in order to cut oh? the fume from the cellar of that section. Means are therefore provided for automatically closing the damper of thesection which is to be shaken. Each bag section is provided with a support 29 for a lever, one arm 30 of, which is arranged to be engaged by a damper cam 31 on the shaft 24, the other arm 30 being cbnnected with an endless cable 32 passing over suitable pulleys and also connected" withthe slidlng rod 33 of a damper 34 controlling port 'or passage 1). This damper is normally maintained in open positionbymeans of a weight 35-. Itwill be understood of course that a damper is provided for each passage of a bag section, and that each section ls similarly controlled. Asthe shaft' 24 revolves, and while the cams 23 move-the rods 18 of a bag section to the left, the

.cam 31 for thatsection will move the lever and close the damper for that section, so that the damper will be closed when the rods 18 are released to shake the bags. The damper cams'3l of the dill'enent sections are angularly displaced on the shaft 24: so

that the dampers, for the different-sections will be closed successively and in the same order as. the bags are shaken by the shaking cams 23. After'. .t he.-bags have been shaken the damper lever will be released'by the damper cam aildt-he-weight 35 will return the damper to open position. It will therefore be seen that mechanical o eratin .b

,clostd and thereafter automatically opened afteifthe bags have been shaken. .The principal shaking movement is a lateral one, al-

though the movement is a compound lateral and vertical movement, this, compound movement bein permitted bythe method of suspending t e bags'by means of springs. After the bags aretreleased by the bag .shak ing cams, the suspended construction permits a free vibratory movement of the rod supports, and this results in 'a' thorough agitation of the bags and in the deposit being thoroughly shaken down into the, cellars. The construction results in a simple mechanism which can be'extended'to operate any number of sections by merely lengthening the operating. shaft 24 and adding partsconnected thereto and operated therefrom. H

By means of this construction the bags can be shaken automatically so that -it is unnecessary for the operator to enter the bag chamber or the building, whereby he will not hesubjectedto the poisonous gases. This al 0 results in efiiciency of filtering,

since th bags are shaken at comparatively short intervalsso that the bags Will always be clear-t.- Each section 'isshut-down for only a very smallpart of. the time so that the interruption to filtering will be slight.

It is obvious that various changes may be I made 'in the details of construction without departing from this invention, and it is therefore'to be understood that :this invention; is not to be limited to the specific-construction shown and, described.

Having thus described the invention what i is claimed is: a

1. In an apparatus of the class described, a structure having a bag chamber and a plurality of cellars below said bag chamber and separated one from the other by trans ve se partitions, a plurality of bags suspeiided in rows in said bag chamber and opening from said cellars, one section from each cellar, dampers for said cellars, and interconnected means for closing said dam- "pers in succession "and for shaking the bag sections connected to the cellars which the nected to the cellars which the dampers control in the same order as sald dampers are In an a and separated one from the other by trans- '1neansfor.\closing said dampers iii successuspended therefrom, and means for impartition therein to form a bag chamber, a

plurality of transverse partitions dividing the space below said perforated partition into a plurality ,of cellars, a plurality of bags suspended in rows in said bag chamber and ,opening from said cellar, a main flue connected to said cellars, dampers between saidflfiue and cellars, and I interconnected means for closing said dampers in succession and for shaking the bag sections cpnoperated.

paratus of the class described, a; structure wiring a bag chamber and a plurality of cellars below said bag chambers versepartitions, a plurality of bars movsupported in said bag chamber, a row ing from one of said cellars, a plurality of rowsof bags opening from each cellar and forming a bag section, and interconnected sion and for shaking .thebag sectibns coni ie cted to the cellars which the dampers control in the same order as said. dampers are operated. I s,

4. In an apparatus of the class described, the conibinzitionof a support, a row of bagsparting a movement to said support and the bags thereon in '2), direction along the row toshake thebags.

In'an apparatus of the class described, ti e'combination of a movably supported bar,

meansfor moving said bar in the direction its length to shake the bags thereon.

'In'an apparatus of the class described, theeombination of a support, a bag, and a suspending spring connected at its upper end to the support and at its lower end to the'bgg and-constructed to suspend the bag for :fi'ee lateral and vertical movements.

7. In an apparatus of the class described, the combination of a support, a bar, a pluality of bags suspended from said bar,

springs for suspending said bar connected at their upper ends to;said support and at their lower ends to said bar, and operating means for moving said bar to shake the bags thereon.

8. In an apparatus of the class described, the combination of a bar, a plurality of bags suspended therefrom, means for loosely suspending the bar, and operating means for moving said bar lengthwise to shake the bags thereon.

9. In an apparatus of the class described, the combination of a lengthwise movable bar, a plurality of bagssuspended therefrom, and a cam adapted to move the bar lengthwise and release the same to shake the bags thereon.

' 10. In an apparatus of the class described, the combination of a bar, a plurality ofbags suspended therefrom, springs for suspending said bar, and a cam adapted to engage the end of the bar and release the same to shake the bags thereon.

. 11. In an apparatus of the class described, the combination of. a bar, a row of of connection of the bags thereto.

12.1nan apparatus of the class described, the combination of a plurality of suspended bars, bags supported therefrom, a drive shaft extending across said bars, and independent connections between said bars and shaft constructed to permit said shaft to move said bars endwise.

13. In an apparatus of the class described, a structure having a bag chamber and a plurality of cellars below said bag chamber, bags supported in said bag chamber and opening from said cellars, dampers for said cellars, a drive shaft extending across said structure, independent cnnnections from said shaii't constructed "to shake said bags in sections, and independent connections from said shaft to said dampers adapted to close them individually.

In testimony whereof I aflix my signature in presence of two witnesses.

ALBERT J MEIER. Witnesses:

' Gno. OLIVER CARBENTER,

ARCHER W. RICHARDS.

bags suspended from said bar, and means for loosely suspending said bar at the points

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