US538718A - Smoke-arrester - Google Patents

Description

Nrrn STATES JAMES VVILLS, OF CHICAGO, ILLINOIS.

SMOKE-ARRESTER.

SPECIFICATION forming part of Letters Patent No. 538,718, dated May 7, 1 895.

Application filed October 22, 1894. Serial No. 526,540. (No model.)

To all whom it may concern:

Be it known that I, JAMES WILLs, a citizen of the United States, residing in Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Smoke-Arresters, of which the following is a specification.

My invention relates to smoke arresters, or devices for arresting, removing and recovering carbon from smoke.

. The object of my invention is to provide a device or apparatus of a simple, efficient and durable construction for arresting and recovering the carbon or solid particles in smoke, and which may be easily and conveniently applied to any ordinary steam boiler, chimf ney or iiue.

In practicing my invention I secure in the chimney or Iiue, near the base thereof, a double cone-shaped or pyramid-shaped screen,`ac cordin g as the Iiue is square or round, made of wire netting and corresponding in size at its largest diameter or cross section to the flue, and terminating at its lower pointed end in a cup or vessel through the bottom of which is inserted a water jet pipe and also a steam'jet pipe. The upper tapering end of the cone screen is open, and above the open upper end of the tapering screen I place a disk against which the jet of water may impinge. Below this double cone or tapering screen VI arrange a revolving fan or turbine operated by the draft within the flue or chimney, and which serves to throw the Water dripping from the screen or from the cup at the lower end of the screen, centrifugally. outward against the walls of the iiue or chimney wherev it is collected by a gutter surrounding the inner wall of the flue or chimney, and which gutter communicates with a discharge pipe. A steam jet pipe in the cup at the lower end of the double tapering screen has a perforation below the surface of the water in the cup, so that the water in the cup may be fed into the steam jet pipe and be sprayed or thrown upward With or by the steam. A reversely revolving fan or turbine is placed above the screen and preferably near the top of the chimney. This turbine or fan is also revolved by the draft or current in the chimney, but in the opposite direction to the fan or turbine located below the screen.

My invention consists in the novel devices and novel combination of parts and devices herein shown and described and specified in the claims.

- In the accompanying drawings, Figure 1 is an elevation of a device embodying my invention, the same being for convenience shown in connection with a sheet-metal stack or flue.

Fig. 2 is a cross-section on line 2 2 ot' Fig. 1, and Fig. 3 is a vertical sectional view of the cup or water-vessel at the bottom of the doub1etaperedd screen.

In the drawings A represents the flue or chimney, and A is a supplemental flue lining, preferably of sheet-metal, which I ordinarily place inside the flue to form a frame or support for the different parts or devices embodying'my invention and also for the purpose of keeping the Water or moisture away from the outer i'lue A.

B B aretwo tapering or cone-shaped wire screens, placed base to base inside the flue A or its lining A', and through which the smoke mustpass in order to escape from the flue or chimney. The two tapering screens B and B together constitute a double cone shaped screen.

C is the cup or vessel in which the lower tapering end of the screen B terminates.

,nozzle c2 at the top. The steam jet pipe C has an opening c below the upper edge .of the vessel C so 'that the water collected in the vessel C may feed into the steam jet pipe C2 and be sprayed or projected upward by the force of the steam. At the upper end of the upper cone B there is an opening b, and above this is placed asmall flat disk b', against which the water from the jet pipes may be projected and thereby directed downward in a spray or film over the double cone-shaped screen.

D is a fan or turbine mounted on a spindle or shaft d in the flue below the double screen B B', and which serves to catch and throw out radially against the Wall of the flue lining A by its centrifugal action any Water overfiowing from the cup C.

lF is an annular ygutter or trough arranged below the fan D communicating with the discharge pipe F. The spindle or shaft d of the fan D is mounted in adjustable or screw threaded bearings d d supported on the brackets d2 d2, secured to the flue A or its lining A.

H is a fan, similar to the fan D, mounted IOC in the fiue above the screen and preferably near the top of the flue. The bearings h for its shaft h are, preferably, also adjustable.

The water jet pipe C is connected by a pipe C3 with a supply of water under pressure sufficent to throw the jet of water against the disk b; and the steam jet pipe C2 is connected with a steam supply pipe C4 through which steam under pressure is supplied to the jet pipe.

The operation is as follows: By the water jet pipe C a jet of water is projected against the disk b and it thence iiows downward in a film over the surface of the tapering screen B B and is collected in the vessel C; or that portion of the same is so collected which is not converted into steam or vapor. The jet of steam and water from the steam jet pipe C2 as it is projected upward expands in a vapor or spray and fills to a greater or less extent with vapor the interior of the double cone screen. As the smoke is forced through the screen filled with vapor and covered to a greater' or less extent with afine film of water, the carbon and solid particles in the smoke are arrested and carried down with water and collected in the vessel C, the tapering screen serving to direct the same into said vessel. As the vessel overliows these solid particles ioatingon the top ofthe water drop down with the water until they strike the revolving fan D by which they are thrown radially outward and collected in the gutter F, from which they escape through the discharge pipe. If desired the carbon so recovered may be collected and pressed or dried and used as fuel. The upper fan serves to regulate orrepress the draft. The two oppositely disposed screens B B', constituting the double tapering screen, are, preferably, placed with their bases or larger diameters contiguous to each other, as shown in the drawings; and they may also be preferably formed in one piece, or united together, as indicated in the drawings, but if desired the two cones B B may be in two separate pieces and placed a greater or less distance apart instead of contiguous to each other, as shown.

claiml. The combination with a iiue,of a double tapering screen, a cup or vessel at the lower end of the screen, a water jet pipe and a steam jet pipe in said vessel, a disk at the upper end of the screen for the jet of water to project against, a revolving fan below the screen, and a marginal gutter in the fine below the fan, substantially as specified.

2. The combination with a fiue, of a double tapering screen, a cup or vessel at the lower end of the screen, a water jet pipe and a steam jet pipe in said vessel, a disk at the upper end of the screen for the jet-of water to project against, a revolving fan below the screen, a marginal gutter in the fine below the fan, a discharge pipe connecting with said gutter, and a second fan above the screen, substantially as specified.

3. The combination with a iue and its lining A', of a double tapering screen, a cup or vessel at the lower end of the screen, a water jet pipe and a steam jet pipe in said vessel, a disk at the upper end of the screen for the jet of water to project against, a revolving fan below the screen, and a marginal gutter in the fine below the fan, substantially as specified.

4. The combination with a flue of a tapering or cone-shaped screen in the tine through which the smoke must pass, a steam pipe for supplying a jet of steam inside the iue and means for supplying a jet of water inside the fine, substantially as specified.

5. The combination with a flue of a double tapering screen in the Hue spanning the flue at the middle larger diameter of said screen and having one tapering end projecting downward and one tapering end projecting upward in the fine, and a water jet pipe projecting a jet of water through the screen,substantially as specified.

6. The combination with a flue of a double tapering screen therein, spanning the flue at the middle larger diameter of said screen and having one tapering end projecting downward and one tapering end projecting upward in the flue, and a steam jet pipe, substantially as specified.

7. The combination with a flue of' a double tapering screen,spanning the fine at the middle larger diameter of said screen and having one tapering end projecting downward and one tapering end projecting upward in the flue, a water collecting vessel below the screen and a water jet pipe, substantially as specilied.

8. The combination with a fine of a double tapering screen, spanning the flue at the middle larger diameter of said screen and having one tapering end projecting downward and one tapering end projecting upward in the flue, a water collecting vessel at the lower end of the screen, a steam jet pipe in said vessel provided with a water feed opening, substantially as specified.

9. The combination with a flue of a double tapering screen, spanning the fine at the middle larger diameter of said screen and having one tapering end projecting downward and one tapering end projecting upward in the flue, a water collecting vessel at the lower end of the screen, a steam jet pipe in said vessel provided with a water feed opening, and a water jet pipe in said vessel, substantially as specified.

l0. The combination with aflue of adouble tapering screen, a water collecting vessel at the lower end of the screen, a steam jet pipe in said vessel provided with water feed opening, a water jet pipe in said vessel, a rotary fan below said screen, and a marginal gutter below the fan, substantially as specified.

JAMES WILLS. Witnesses:

CHARLES FARB, .FRANK J. KOCH.

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