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WO1991015630A1 - Systeme de suppression de poussiere pour appareil de nettoyage de ballast d'une voie de chemin de fer - Google Patents

Systeme de suppression de poussiere pour appareil de nettoyage de ballast d'une voie de chemin de fer Download PDF

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Publication number
WO1991015630A1
WO1991015630A1 PCT/US1991/002428 US9102428W WO9115630A1 WO 1991015630 A1 WO1991015630 A1 WO 1991015630A1 US 9102428 W US9102428 W US 9102428W WO 9115630 A1 WO9115630 A1 WO 9115630A1
Authority
WO
WIPO (PCT)
Prior art keywords
dust
ballast
shoulder
debris
spray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1991/002428
Other languages
English (en)
Inventor
Dennis R. Mathison
Charles R. Mackey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Loram Maintenance of Way Inc
Original Assignee
Loram Maintenance of Way Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Loram Maintenance of Way Inc filed Critical Loram Maintenance of Way Inc
Publication of WO1991015630A1 publication Critical patent/WO1991015630A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track

Definitions

  • This invention relates to machines for on-site cleaning of railroad track bed ballast material.
  • it relates to a dust suppression system for controlling the dust generated in the ballast cleaning process.
  • a dust suppression system for a railroad shoulder ballast cleaning machine that could suppress the airborne dust and debris generated by the shoulder ballast cleaning operation, would fill a long felt need in the railroad maintenance industry.
  • the dust suppression system in accordance with the present invention is particularly designed for the control of dust generated by a self-propelled, on-site, shoulder ballast cleaning machine.
  • the dust suppression system hereof includes a plurality of spray assemblies positioned on the shoulder ballast cleaning madrine at areas of primary dust generation.
  • Each spray assembly is particularly designed and positioned to provide an optimum liquid spray pattern, with maximum wind isolation, at its particular area of dust generation.
  • the sprayed liquid moistens the airborne dust and debris, neutralizing its static electricity charge, increasing the particulate weight and causing the dust and debris to rapidly settle.
  • Individual branch fluid distribution lines connect the various spray assemblies to a main distribution line for the supply of water, or some other surfactant, to the spray assembly nozzles.
  • Each branch distribution line includes a filter, a globe valve for adjusting the flow of water to each individual spray assembly, and a remotely actuated solenoid for selectively connecting and disconnecting the ranch line to the main line.
  • the pressure pump draws water from a reservoir tank car, and pressurizes the main and branch distribution lines.
  • Figs. 2a through 2f are a multiple sheet, top plan view of the shoulder ballast cleaning machine depicted in Fig. 1;
  • Fig. 3 is a rear elevational, pictorial view of the digger wheel and cross conveyor liquid distribution branches of the dust suppression system
  • Fig. 4 is a rear elevational, pictorial view of the hopper liquid distribution branch line of the dust suppression system
  • Fig. 5 is a left side elevational, pictorial view of the load conveyor liquid distribution branch line of the dust suppression system
  • Fig. 6 is a top plan view of the spray bar depicted in Fig. 5
  • Fig. 7 is a left side elevational, pictorial view of the waste conveyor liquid distribution branch line of the dust suppression system
  • Fig. 8 is a left side elevational view of the swing conveyor liquid distribution branch line of the dust suppression system
  • Fig. 9 is a top plan, pictorial view of the broom assembly liquid distribution branch line of the dust suppression system; and Figs. lOa-lOd are a multiple sheet schematic depiction of the dust suppression system in accordance with the present invention.
  • shoulder ballast cleaning machine 10 includes power car 12 having engine compartment 14 and forward operator cab 16, and auxiliary car 18 having rear operator cab 20.
  • Tank car 22 is detachably coupled to the rear of the auxiliary car 18.
  • the shoulder ballast cleaning machine 10 is supported by railroad track 24 having rails 26 and cross ties 28.
  • the rails 26 and cross ties 28 are supported on a track bed of 30 made up of stone ballast B.
  • the shoulder ballast cleaning machine 10 further includes right and left digger wheels 32, 34, cross conveyors 36, 38, lift conveyor 40, screen separator 42, waste conveyor 44, and swing conveyor 46. Front and rear scarifiers 48, 50 are positioned on each side of the shoulder ballast cleaning machine 10 for loosening the shoulder ballast making up track bed 30.
  • Digger wheels 32, 34 each include a plurality of digger buckets 52, mounted on individual rotating support wheels 54.
  • the digger buckets 52 each include an open scoop face 56 and open bottom 58.
  • the open bottoms 58 slide along stationary ring 60.
  • the ring 60 includes opening 62 at its uppermost portion.
  • the digger wheel 52 is rotated in a clockwise direction when shoulder ballast cleaning machine 10 is in operation, and the stationary ring 60 supports scooped ballast within the digger buckets 52 until the digger buckets 52 reach the opening 62 in the uppermost portion of the stationary ring 60.
  • Shrouds 64, 66 cover the lower front and lower sides of the digger wheels 32, 34 respectively.
  • the digger wheels 32, 34 are shiftable from the towed position, as depicted in Fig. lb, to a lowered, operating position, as depicted by phantom lines in Fig. lb.
  • Cross conveyors 36, 38 include endless webs 68, 70 extending from the opening 62 in their respective stationary ring 60 to the approximate center line of the machine 10.
  • the cross conveyors 36, 38 are separated by a gap 69 that allows the material carried by the endless web 68,
  • Lift conveyor 40 includes endless web 72 that extends from immediately below the cross conveyors 36, 38, upwardly and rearwardly, to a point just above the screen separator 42.
  • Lift conveyor batterboard 74 directs the discharge of the lift conveyor 72 downwardly onto the screen separator 42.
  • Screen separator 42 includes an internal screen (not shown) that extends along the length of the screen separator 42.
  • Waste conveyor 34 includes endless web 76 that extends along the bottom of the screen separator 42 and rearwardly to a point above the swing conveyor 46.
  • Right and left ballast hoppers 78, 80 are located just forward of and below the screen separator 42.
  • Waste conveyor batterboard 82 is located at the upper, discharge portion of waste conveyor 44 for directing the discharge for the waste conveyor downwardly onto the swing conveyor 46.
  • Swing conveyor 46 is pivotally mounted on trunnion 84.
  • the swing conveyor 46 includes endless web 85 extending from a point just below the discharge of the waste conveyor 44 rearwardly to the swing conveyor discharge end 86. As is depicted in phantom lines in Fig. 2c and 2d, the swing conveyor 46 may be positioned either to the right or the left of the shoulder ballast cleaning machine 10.
  • the broom assemblies 87, 88 are mounted at the rear of the auxiliary car 18.
  • the broom assemblies 87, 88 each include a rotatable, cylindrical broom 90 shiftable between a raised, stowed position, and a lowered, operating position. LAs can be seen in Fig. 9, brooms 90 can be canted outwardly.
  • the shoulder ballast cleaning machine 10 is operated in a forward direction, from right to left as depicted in Figs. 1 and 2, at a speed of about two miles per hour.
  • the digger wheels 32, 34 are lowered into their digging position, as depicted in phantom lines in Fig. lb, and rotated in a clockwise direction (from the perspective of Fig. lb). Stone ballast and debris along the shoulder of the track bed 30 are scooped into the digger buckets 52, and lifted upwardly, with the stationary ring 60 holding the dirt and debris in the buckets 52.
  • the stone ballast and debris are lifted upwardly and 0 rearwardly by lift conveyor 40, an are discharged from the uppermost end of the lift conveyor 40.
  • Lift conveyor batterboard 74 directs the stone and debris downwardly into the screen separator 42.
  • the screen of the screen separator 42 includes openings large _ enough for dust and debris to fall through the screen, but not large enough to allow the stone ballast to fall through the screen. Vibrating machinery is attached to the screen separator 42 so that the stone ballast and debris are vigorously shaken on the screen surface. The debris falls thought he screen onto the waste conveyor and the stone ballast falls downwardly and forwardly. The clean stone ballast is discharged into the stone ballast 0 hoppers 78, 80 located at the forward end (bottom) of the screen separator 42. The cleaned stone ballast in the hoppers 78, 80 is then deposited onto the railroad track bed 30.
  • the debris deposited on the waste conveyor 44 by the screen separator 42 is transported rearwardly and upwardly by the waste conveyor 5 44.
  • the waste and debris discharged from the waste conveyor is directed downwardly by the waste conveyor batterboard 82 onto swing conveyor 46.
  • the swing conveyor 46 is swung to the right or the left of the shoulder ballast cleaning machine, and the waste and debris is discharged from the swing conveyor to the side of the railroad track bed.
  • the rails 26 and cross 0 ties 28 are swept clear of loose stone ballast by the right and left broom assemblies 87, 88.
  • the dust suppression system 100 in accordance with the present invention is mounted on the shoulder ballast cleaning machine 10, and provides a dust suppressing, liquid mist at the principal dust generating positions on the machine 10.
  • the dust suppression system 100 broadly includes main fluid distribution line 102, tank car 22, pressure pump 104, a plurality of branch fluid distribution lines to be described in detail hereinafter, and dust suppression spray assemblies particularly designed and positioned for suppression of dust at the primary dust generating areas along the shoulder ballast cleaning machine 10.
  • the main distribution line 102 extends along the length of the shoulder ballast cleaning machine 10 from the tank car 22 forwardly to the digger wheels 32, 34.
  • the pressure pump 104 draws water from the tank car 22 and pressurizes the main line 102 to about 70 psi, and provides a flow rate of approximately 10 gallons per minute through the system.
  • the fluid distribution branch lines include right and left digging wheel and cross conveyor branch lines 106, 108, right and left hopper branch lines 110, 112, lift conveyor branch line 114, waste conveyor discharge branch line 116, swing conveyor discharge branch line 118, and right and left broom assembly branch lines 120, 122.
  • Branch line 108 includes filter 124, activating solenoid 126, and adjustable globe valve 128.
  • the activating solenoid 126 is remotely actuated by the operator in the rear operator cab 20 to selectively isolate branch line 108 from the main line 102.
  • Globe valve 128 is hand adjustable to regulate the flow of fluid through the digging wheel and cross conveyor branch line 108. Referring to Figs.
  • a pair of opposed, digger wheel assembly nozzles 130, 132 are mounted on the field side 134 and gauge side 136 of the digger wheel shroud 66.
  • the digger wheel spray nozzles 130, 132 are horizontally aligned, as seen in Fig lb, but vertically separated, with the gauge side nozzle above the field side nozzle. Again referring to Fig. lb, it will be seen that the digger wheel spray nozzles 130, 132 are located just forwardly of the digger buckets 52 within the shroud 66.
  • the digger wheel spray nozzles 130, 132 provide a full cone spray pattern, and the vertical offset of the nozzles provides for full spray coverage within the interior of the shroud 66 forward of the digger buckets 52.
  • each spray bar 138, 10 includes a pair of spray nozzles 142, 144. As seen in Fig. 3, the spray nozzles 142, 144 direct liquid spray onto the cross conveyors 36, 38 and against the cross conveyor batterboard 71
  • the right and left hopper branch lines 110, 112 are connected to the main fluid distribution line 102 through a single filter 142 and actuating solenoid 144.
  • the right and left hopper branch lines 110, 112 are identical, and only the left branch line 112 will be described.
  • the branch line 112 includes globe valve 146 for regulating the flow of liquid through the branch line 112 and ball valve 148 for selective isolation of the branch line 112.
  • the branch line 112 te ⁇ ninates at hopper spray bar 150.
  • the hopper spray bar 150 includes a pair of in-line spray nozzles 152, 154 positioned on the field side of the ballast hopper 80.
  • the lift conveyor discharge branch line 114 will be described with reference to Figs, lc, 2c, 5, 6 and 10.
  • the lift conveyor discharge branch line 114 includes filter 156, actuating solenoid 158 and globe valve 160.
  • the lift conveyor discharge branch line 114 terminates at spray bar 162.
  • Spray bar 162 includes three spaced apart spray nozzles 164, 166, 168. The spray bar 162 is oriented slightly above the discharge end of the lift conveyor 114, and the spray nozzles 164, 166, 168 direct fluid spray downwardly towards the conveyor discharge area.
  • a sheet of flashing 170 is oriented above the spray bar 162 and side flashing 170, 172 may also be advantageously positioned so as to protect the spray pattern emanating from spray nozzles 164, 166, 168 of spray bar 162 from wind dissipation.
  • the waste conveyor discharge branch line 116 is similar to the lift conveyor discharge branch line 114.
  • the waste conveyor discharge ranch line 116 includes filter 174, actuating solenoid 176, and globe valve 178.
  • the waste conveyor branch line 116 terminates at spray bar 180.
  • the spray bar 180 includes spray nozzles 182, 184, 186. Flashing 188 extends outwardly and downwardly from the top of spray bar 180 so as to protect the fluid spray from the spray bar 180 from wind dissipation.
  • the swing conveyor ⁇ ⁇ discharge branch line 118 includes filter 189, activating solenoid 190, and flow regulating globe valve 192.
  • the swing conveyor discharge branch line 118 terminates past a pair of opposed right and left spray assemblies 194, 196.
  • Each spray assembly 194, 196 includes an upper spray nozzle 198 and a lower spray nozzle 200.
  • the upper spray nozzles 198 are preferably - I - adjusted slightly downwardly, and the lower spray nozzles 200 are preferably adjusted slightly upwardly, and are positioned so as to be above and below the stream of waste and debris discharge from the swing conveyor 46.
  • the right and left broom assembly branch lines 120, 122 will be described with reference to Figs le, 2e, 9, and lOd. Referring to Fig. lOd, 0 the right and left broom assembly branch lines 120, 122 are connected to main line 102 by intermediate line 210.
  • the intermediate line includes filter 212, and actuating solenoid 214.
  • the right and left broom assembly branch lines 120, 122 are identical, and only the left broom assembly branch line 122 will be described.
  • the broom assembly branch line 122 5 includes flow regulating globe valve 216 and isolation ball valve 218.
  • the branch line 122 terminates at four spray nozzles 220, 222, 224 , 226. As is best seen in Fig.
  • the spray nozzles 220, 222, 224, 226 are oriented to the front and rear, right and left, of the broom assembly 88. Flashing 227 is provided to isolate the spray nozzles 220, 222, 224, 226 from wind 0 dissipation.
  • pressure pump 104 includes a return line 228 that provides for cooling circulation.
  • Pressure gauge 230 and flow meter 232 are provided in conjunction with the pressure pump 104 for on- site monitoring of the pump operation.
  • the pump is isolated from a tank car 22 by valve 234 and is isolated from the pressurized side of main line 102 by ball valve 236 and check valve 238.
  • a plurality of wash connection outlets 240, 242, 246, 248 are provided that allow for connection of a hose (not shown) to the main line 102 by respective globe valves 250, 252, 254, 256.
  • An optional high pressure pump 260 can be provided in parallel with the pressure pump 104 to provide a high enough pressure to main line 102 to allow for use of the wash connection outlets and to wash down the
  • tank car 22 is filled with water, or some other suitable surfactant.
  • the operator in the rear operator cab 20 pressurizes the main line
  • each of the branch lines can be remotely connect to the pressurized main line 102 from a control panel having individual activation switches for each of the solenoids in the branch lines.
  • the globe valves in each of the branch lines can be adjusted so as to control the fluid flow within the branch line. It will be appreciated, therefore, that the use of fluid from the tank car 22 can be controlled by activating only the branch lines that are necessary and by controlling the fluid flow within each activated branch line.
  • Each of the described spray nozzles are detachably and adjustably received by their respective spray bars, assemblies, or mounts.
  • each group of spray nozzles can therefore be adjusted by changing the type of spray nozzle, and by adjusting the direction of the spray nozzle.
  • the digger wheel spray nozzles 130, 132 are preferably full cone type spray nozzles
  • the spray nozzles carried by the cross conveyor spray bar 138, 140 are preferably wide angle, full cone
  • the hopper spray nozzles 152, 154, lift conveyor spray nozzles 164, 166, 168, waste discharge spray nozzles 182, 184, 186, and broom spray nozzles 222, 224, 226 preferably all provide a hollow cone spray pattern.
  • the swing conveyor spray nozzles 198, 200 preferably provide a narrow angle, full cone spray pattern.
  • the spray patterns provided by the dust suppression system 100 are preferably made up of fine mist spray. Accordingly, the spray patterns are susceptible to wind dissipation. As described hereinabove, the digger wheel spray nozzles are isolated from wind dissipation by digger wheel shrouds 64, 66, and the spray patterns provided by the lift conveyor spray nozzles, waste conveyor spray nozzles, and broom assembly spray nozzles are protected from wind dissipation by the use of flashing.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

Un système de suppression de poussière (100) est conçu en particulier pour la poussiere produite par une machine (10) autopropulsée, sur site, de nettoyage du ballast d'épaulement. La machine (10) de nettoyage de ballast d'épaulement ramasse le ballast en pierre (B) du lit (30) d'une voie de chemin de fer, sépare le ballast (B) des saletés et débris, et replace le ballast (B) le long de l'épaulement du lit (13) de la voie de chemin de fer. Le système de suppression de poussière (100) comprend une ligne de pression principale (102) s'étendant sur la longueur de la machine (10) de nettoyage du ballast d'épaulement ainsi qu'une pluralité de lignes de branchement (106, 108, 110, 112, 114, 116, 118, 120, 122) reliant la ligne principale (102) à des ensembles d'atomisation positionnés sur la machine (10) de nettoyage du ballast d'épaulement en des endroits de production de poussière. Les divers ensembles forment une atomisation liquide pour humidifier la poussière aéroportée ainsi que les débris, et neutraliser la charge d'électricité statique de la poussière et des débris, et/ou augmenter le poids particulaire pour provoquer une retombée rapide de la poussière et des débris. Chaque ligne de distribution (106, 108, 110, 112, 114, 116, 118, 120, 122) comprend un filtre (124), une soupape à disque (128) pour régler l'écoulement d'eau de chaque ensemble d'atomisation, et un solénoïde actionné à distance (126) pour connecter et déconnecter sélectivement la ligne de branchement (106, 108, 110, 112, 114, 116, 118, 120, 122) à la ligne principale (102).
PCT/US1991/002428 1990-04-10 1991-04-09 Systeme de suppression de poussiere pour appareil de nettoyage de ballast d'une voie de chemin de fer Ceased WO1991015630A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50771790A 1990-04-10 1990-04-10
US507,717 1990-04-10

Publications (1)

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WO1991015630A1 true WO1991015630A1 (fr) 1991-10-17

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AU (1) AU7677191A (fr)
WO (1) WO1991015630A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1860240A1 (fr) * 2006-05-24 2007-11-28 Voestalpine Railpro BV Procédé de dépôt du ballast sur un chemin de fer
EP2716815A3 (fr) * 2012-10-02 2015-05-20 Zuercher Holding GmbH Véhicule de travail pour la pose de voies sur des tronçons de voie ferrée
EP3805457A1 (fr) * 2019-10-10 2021-04-14 CFT GmbH Compact Filter Technic Réseau des machines destiné à la rénovation des voies de chemin de fer
WO2022243374A1 (fr) * 2021-05-20 2022-11-24 Hyperion Verwaltung Gmbh Engin de travail et procédé de réduction du dégagement de poussière dans les travaux de construction de voies ferrées

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693950A (en) * 1950-01-12 1954-11-09 Joy Mfg Co Dust wetting and removing apparatus
US4157204A (en) * 1978-07-27 1979-06-05 The United States Of America As Represented By The Secretary Of The Interior Face ventilation system for coal mines
US4315658A (en) * 1979-05-25 1982-02-16 Coal Industry (Patents) Limited Mining equipment
US4358160A (en) * 1981-04-06 1982-11-09 The United States Of America As Represented By The Secretary Of The Interior Air diversion and dust control system for longwall shearers
US4380353A (en) * 1979-03-14 1983-04-19 Peabody Coal Company Dust control system and method of operation
US4648659A (en) * 1983-01-11 1987-03-10 Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Ugolnogo Mashinostroenia "Giprouglemash" Method and hydraulic system for controlling supply of fluid to combine for extracting minerals

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693950A (en) * 1950-01-12 1954-11-09 Joy Mfg Co Dust wetting and removing apparatus
US4157204A (en) * 1978-07-27 1979-06-05 The United States Of America As Represented By The Secretary Of The Interior Face ventilation system for coal mines
US4380353A (en) * 1979-03-14 1983-04-19 Peabody Coal Company Dust control system and method of operation
US4315658A (en) * 1979-05-25 1982-02-16 Coal Industry (Patents) Limited Mining equipment
US4358160A (en) * 1981-04-06 1982-11-09 The United States Of America As Represented By The Secretary Of The Interior Air diversion and dust control system for longwall shearers
US4648659A (en) * 1983-01-11 1987-03-10 Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Ugolnogo Mashinostroenia "Giprouglemash" Method and hydraulic system for controlling supply of fluid to combine for extracting minerals

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1860240A1 (fr) * 2006-05-24 2007-11-28 Voestalpine Railpro BV Procédé de dépôt du ballast sur un chemin de fer
EP2716815A3 (fr) * 2012-10-02 2015-05-20 Zuercher Holding GmbH Véhicule de travail pour la pose de voies sur des tronçons de voie ferrée
EP3805457A1 (fr) * 2019-10-10 2021-04-14 CFT GmbH Compact Filter Technic Réseau des machines destiné à la rénovation des voies de chemin de fer
WO2022243374A1 (fr) * 2021-05-20 2022-11-24 Hyperion Verwaltung Gmbh Engin de travail et procédé de réduction du dégagement de poussière dans les travaux de construction de voies ferrées

Also Published As

Publication number Publication date
AU7677191A (en) 1991-10-30

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