US233400A - Bufus s - Google Patents

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US233400A
US233400A US233400DA US233400A US 233400 A US233400 A US 233400A US 233400D A US233400D A US 233400DA US 233400 A US233400 A US 233400A
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pipe
stack
spark
tube
smoke
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow

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  • WITNESSES O-UTHOGRAFNER WAsHINGION D C UNITED STATES PATENT OFFICE.
  • Our invention relates to improvements in spark arresters and pulverizers having roughened surfaces of any kind on a pipe extending from the exhaust-tips to the top of the smokestack; and the object of our improvements is to thoroughly disintegrate and pulverize the sparks before leaving the stack.
  • Fig. II is a side view of the pipe with roughened surfaces of different kinds.
  • Fig. III is an enlarged section on line as m.
  • Fig. IV is an enlarged section on line 3 51
  • Fig. V is a horizontal section on line 2 z of Fig. 1.
  • the lift or blast pipe 0 is held in position in the smoke-arch by braces c c, and the lower part, d, is made flaring, as usual.
  • To this part 01 is attached another pipe, d, in an adjustable manner, so that it can be raised or lowered, as desired, and firmly secured to the pipe 01 is another pipe, 0.
  • the pipe 6 is slightly larger than the pipe d, and its lower edges form a cutting-edge, against which the sparks when raised are thrown and partly disintegrated.
  • a tube or pipe, D which is connected to the exhaust-tips a, and extends to the top, or nearly to the top, of the stack, as desired.
  • the tube D is provided with any number of narrow elongated perforations, f, through which the smoke can estance above ring 9 the pipe is provided with a number of saw-tooth projections, h, cut into the metal and bent outward, as shown. These projections may be alternated with the perforations the entire length of the pipe D, if desired.
  • a ring of wire-netting, t which may extend to the side of the stack, and, if desired, a strip of wire-netting, 7a, or bars I may be wound spirally around the pipe and be extended to the top of the stack.
  • the saw-tooth projections may be made on separate rings m or rings a, provided with angular projections 0, which form cutting-edges, may be secured on the outside of pipe D in any place desired, from the bottom of the liftpipe up to the top of the stack.
  • the space between the stack and pipe D at the top may be filled with annular cutters 19, having a small space between them, and the pipe may be there secured by bolts and rivets.
  • a plate, F Close to the tube-sheet E, and just above the lower tubes, is arranged a plate, F, which can be adjusted nearer or farther from the tube-sheet, as desired, by slots and bolts q.
  • the object of this plate is to prevent the lower tubes from becoming clogged or choked up, and it also forms an increased draft.
  • the operation is as follows: When the engine is started the blast raises the sparks as they come through the tubes and violently throws them repeatedly against the cutters and roughened edges of the pipe D until they are entirely disintegrated or pulverized.
  • the smoke and exhaust-steam have a clear and free outlet through the pipe D into the atmosphere, and there can be no back-pressure on the engines.
  • the lower tubes which ordinarily become choked up, are kept clear of all obstructions by means of the plate F, and can assist in the generation of steam.
  • the sparks are also' brought to the mouth of the blast-pipe.
  • spark arrester and pulverizer The advantages of our spark arrester and pulverizer are, that the sparks are thoroughly disintegrated and pulverized before leavingthe stack; the apparatus can be easily and readily applied to any stack; it can be made at a very small cost; it is not likely to get out of order, as it is very simple and durable.
  • the tube D extending from the exhaust-tips to the top of the stack and provided with perforations, and ring-cutters, having roughened surfaces, secured on the outside of the pipe, substantially as shown and described.
  • the detachable rings g and 11 provided with cutting-edges, and arranged on the outside of the tube D, or between blast-pipe and tube 1) or smoke-stack, in combination with perforations f, substantially as and for the purpose set forth.
  • the plate F In combination with the spark arrester and pulverizer, constructed substantially as described, the plate F, arranged as shown, and for the purpose specified.
  • spark-arrester consisting of the lift-pipe C,in combination with the pipe I), having perforations f and projections h, rings g 11, wire-netting k and i, and cutters p, and extending from the exhaust-tips to the top of the stack, all constructed substantially as and for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crushing And Pulverization Processes (AREA)

Description

(Modeh) R. S. CRAIG & G. G. WYMAN.
Spark Arrester.
Patented Oct. 19,1880.
WITNESSES O-UTHOGRAFNER. WAsHINGION D C UNITED STATES PATENT OFFICE.
RUFUS S. CRAIG AND GREENLIEF G. WYMAN, OF DOVER PLAINS, N. Y.
SPARK-ARRESTER.
SPECIFICATION forming part of Letters Patent No. 233,400, dated October 19, 1880.
' Applicationfiled March 4,1880. (ModeL) To all whom it may concern Be it known that we, RUFUs S. CRAIG and GREENLIEF G. WYMAN, of Dover Plains, New York, have invented a new and useful Improvement in Spark Arresters and Pulverizers, of which the following is a specification.
Our invention relates to improvements in spark arresters and pulverizers having roughened surfaces of any kind on a pipe extending from the exhaust-tips to the top of the smokestack; and the object of our improvements is to thoroughly disintegrate and pulverize the sparks before leaving the stack. We attain these objects by the mechanism illustrated in the accompanying drawings, in which-- Figure I is a vertical section of the smoke box and stack with our spark-arrester in position. Fig. II is a side view of the pipe with roughened surfaces of different kinds. Fig. III is an enlarged section on line as m. Fig. IV is an enlarged section on line 3 51 Fig. V is a horizontal section on line 2 z of Fig. 1.
Similar letters refer to similar parts throughout the several views.
In the drawings,Arepresents the end of the smoke archor box, above which is the usual smoke-stack B. In the bottom is the exhaust pot or tips a, and the tubes are represented at b.
The lift or blast pipe 0 is held in position in the smoke-arch by braces c c, and the lower part, d, is made flaring, as usual. To this part 01 is attached another pipe, d, in an adjustable manner, so that it can be raised or lowered, as desired, and firmly secured to the pipe 01 is another pipe, 0. The pipe 6 is slightly larger than the pipe d, and its lower edges form a cutting-edge, against which the sparks when raised are thrown and partly disintegrated.
Within thelift-pipe is arranged a tube or pipe, D, which is connected to the exhaust-tips a, and extends to the top, or nearly to the top, of the stack, as desired. The tube D is provided with any number of narrow elongated perforations, f, through which the smoke can estance above ring 9 the pipe is provided with a number of saw-tooth projections, h, cut into the metal and bent outward, as shown. These projections may be alternated with the perforations the entire length of the pipe D, if desired.
Above the projections h is arranged a ring of wire-netting, t, which may extend to the side of the stack, and, if desired, a strip of wire-netting, 7a, or bars I may be wound spirally around the pipe and be extended to the top of the stack.
The saw-tooth projections may be made on separate rings m or rings a, provided with angular projections 0, which form cutting-edges, may be secured on the outside of pipe D in any place desired, from the bottom of the liftpipe up to the top of the stack.
The space between the stack and pipe D at the top may be filled with annular cutters 19, having a small space between them, and the pipe may be there secured by bolts and rivets.
Close to the tube-sheet E, and just above the lower tubes, is arranged a plate, F, which can be adjusted nearer or farther from the tube-sheet, as desired, by slots and bolts q. The object of this plate is to prevent the lower tubes from becoming clogged or choked up, and it also forms an increased draft.
The operation is as follows: When the engine is started the blast raises the sparks as they come through the tubes and violently throws them repeatedly against the cutters and roughened edges of the pipe D until they are entirely disintegrated or pulverized.
The smoke and exhaust-steam have a clear and free outlet through the pipe D into the atmosphere, and there can be no back-pressure on the engines.
The lower tubes, which ordinarily become choked up, are kept clear of all obstructions by means of the plate F, and can assist in the generation of steam. The sparks are also' brought to the mouth of the blast-pipe.
The advantages of our spark arrester and pulverizer are, that the sparks are thoroughly disintegrated and pulverized before leavingthe stack; the apparatus can be easily and readily applied to any stack; it can be made at a very small cost; it is not likely to get out of order, as it is very simple and durable.
Having thus described our invention, what we claim, and desire to secure by Letters Patent, is-
1. In a spark arrester and pulverizer, the tube D, extending from the exhaust-tips to the top of the stack and provided with perforations, and ring-cutters, having roughened surfaces, secured on the outside of the pipe, substantially as shown and described.
2. In a spark arrester and pulverizer, the detachable rings g and 11, provided with cutting-edges, and arranged on the outside of the tube D, or between blast-pipe and tube 1) or smoke-stack, in combination with perforations f, substantially as and for the purpose set forth.
3. In a spark arrester and pnlverizer. the wire-netting ring 2', in combination with the projections 71 and perforations fin the tube 1). extending from the exhausttips to the top of the stack, all constructed and arranged as shown and described.
4. In combination with the spark arrester and pulverizer, constructed substantially as described,the plate F, arranged as shown, and for the purpose specified.
5. The spark-arrester herein described, consisting of the lift-pipe C,in combination with the pipe I), having perforations f and projections h, rings g 11, wire-netting k and i, and cutters p, and extending from the exhaust-tips to the top of the stack, all constructed substantially as and for the purpose set forth.
In testimony that we claim the foregoing as our invention we have hereunto set our hands. 35 RUFUS S. CRAIG.
GREENLIEF G. WYMAN.
\Vitnesses:
\VARD LEE, .1. V. DUTCHER.
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