EP2563971B1 - Konditioniervorrichtung und verfahren zum trocknen und temperieren eines schotterbetts - Google Patents

Konditioniervorrichtung und verfahren zum trocknen und temperieren eines schotterbetts Download PDF

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Publication number
EP2563971B1
EP2563971B1 EP11717569.5A EP11717569A EP2563971B1 EP 2563971 B1 EP2563971 B1 EP 2563971B1 EP 11717569 A EP11717569 A EP 11717569A EP 2563971 B1 EP2563971 B1 EP 2563971B1
Authority
EP
European Patent Office
Prior art keywords
ballast bed
conditioning device
sealing
cover plate
blowing
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.)
Not-in-force
Application number
EP11717569.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2563971A1 (de
Inventor
Dirk Brüning
Udo Maier
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.)
Covestro Deutschland AG
Original Assignee
Covestro Deutschland AG
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 Covestro Deutschland AG filed Critical Covestro Deutschland AG
Priority to PL11717569T priority Critical patent/PL2563971T3/pl
Publication of EP2563971A1 publication Critical patent/EP2563971A1/de
Application granted granted Critical
Publication of EP2563971B1 publication Critical patent/EP2563971B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/001—Track with ballast
    • 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

  • the present invention relates to a conditioning device and a method for drying and / or tempering a ballast bed, with the aid of which the track bed of a railroad track can be dried and tempered to subsequently at least partially expand the ballast can.
  • ballast bed In order to stabilize the track bed of a railway track and be able to remove higher loads, it is known to foam the voids of a ballast bed of a railway track with polyurethane (PU).
  • PU polyurethane
  • the starting materials isocyanate and polyol are injected into the cavities of the ballast bed, where they react to polyurethane foam.
  • the ballast bed In order to achieve a defined reaction, it is necessary to set the corresponding reaction conditions within the ballast bed in a defined manner.
  • the ballast bed should be as dry and free of water as possible.
  • EP 1 619 305 B1 it is known before lowering the ballast bed to lower a heating bell on the tracks and dry with hot air, the ballast bed. This measure has proven to be in practice, especially when the railway track was previously exposed to a rain shower, not effective. Comparable proposals are out WO 2009/068169 A1 .
  • the conditioning device for drying and / or tempering a ballast bed of a railway track system, wherein the railroad track system has sleepers resting on the ballast bed and rails resting on the sleepers, has a chassis for moving the conditioning device, in particular on the rails. Connected to the chassis is an outlet nozzle for blowing tempered air into the ballast bed via at least one injection area positioned between two adjacent sleepers. According to the invention, at least one cover plate is connected to the chassis for substantially airtight cover of an upper side of a side strip of the ballast bed which is provided in the direction of travel, next to the sleepers, in substantially opposite direction of gravity.
  • the cover plate prevents the tempered air from escaping again shortly after penetration into the ballast bed, directly next to the injection area above the side strip of the ballast bed.
  • the ballast bed can in particular circumferentially around the injection area around the ballast bed seal and prevent a corresponding short-circuit current.
  • the side strip of the ballast bed has a defined minimum width, so that occurring compressive forces can be reliably dissipated and the tracks of the railway track system maintain their position.
  • the cover plate can thus correspond in its transversely to the direction of travel extension essentially this minimum width of the side strip.
  • the substantially airtight cover of the side strip in the region of the minimum width of the side strip is substantially sufficient so that the tempered air can penetrate about 350 mm into the ballast bed. This penetration depth is usually sufficient to penetrate the entire ballast bed with tempered air.
  • the injection region may in particular comprise a threshold compartment formed between two adjacent thresholds.
  • the injection area comprises two mutually adjacent threshold compartments.
  • the injection area may in particular be bounded laterally by the rails.
  • the outlet nozzle can be lowered to the top of the thresholds to blow the tempered air.
  • the outlet nozzle may be formed as a simple tube end and, for example, have a substantially rectangular cross-section, which corresponds essentially to the injection area.
  • the outlet nozzle can also be designed as a lance, which can in particular dive into the ballast bed.
  • the blow-in area and possibly the area surrounding the blow-in area can be covered airtight relative to the environment by the conditioning device, so that the injected tempered air can collect within the conditioning device and form a correspondingly high pressure there, in order to allow the temperature-controlled air to escape further to avoid in the conditioning device.
  • at least one Abschott Nurs for substantially airtight sealing at a threshold and / or on a rail and / or pointing in a direction substantially opposite to the direction of gravity Top of a provided in front of or behind the threshold in the direction of travel threshold of the ballast bed connected to the chassis. Through the cover plate, a lateral escape of the tempered air can be avoided, while the Abschott recognized leakage of tempered air can be avoided before and after the injection area.
  • the threshold itself provides an air-tight covering of the ballast bed, so that it is sufficient to seal the conditioning device essentially airtight at the threshold and possibly at the rail connected to the threshold.
  • a threshold compartment can be covered by the Abschott issued comparable to the cover plate surface and substantially airtight.
  • the Abschott issued is configured such that the Abschott issued substantially seals airtight at a threshold to the blowing area threshold limited substantially, wherein the Abschott recognized seals in particular on a facing in the direction of travel or counter to the direction of travel side surface of the threshold.
  • a substantially flat surface results on a side of a sleeper which points in the direction of travel or against the direction of travel, which allows a particularly airtight sealing in a particularly simple manner.
  • not one of the thresholds is used, in particular, which limit the injection area, but a threshold, which is preferably further arranged a threshold compartment.
  • the conditioning apparatus makes it possible to preheat the threshold compartment arranged in the direction of travel upstream of the injection area by the conditioning apparatus, and to evaporate a portion of the water located next to the injection area in the ballast bed.
  • the pressure of the tempered air prevailing inside the conditioning device may be sufficient to prevent the tempered air from escaping in the region of the threshold compartment spaced from the injection region. This allows a correspondingly high flow resistance at the top of the ballast bed in a comparatively large area, which leads to a particularly large penetration depth of the tempered air into the ballast bed.
  • the Abschott realized at least one transverse to the direction of travel movable partition plate for lateral substantially airtight sealing on the rail and / or on the cover plate.
  • This makes it possible to lower the Abschott noticed substantially vertically past the tracks and then to achieve by a substantially horizontal movement of the bulkhead sheet a lateral seal to the rail or the cover plate.
  • This allows a substantially airtight seal even when occurring undercuts to be sealed, such as in a designed as a double-T carrier rail.
  • This makes it particularly easy to the blowing, preferably spaced circumferential sealing of the conditioning device with the environment, the seal both on horizontal Surfaces and / or vertical surfaces and / or obliquely or undercut extending surfaces can be done.
  • a hood connected to the chassis wherein the hood is connected in particular substantially airtight with the cover plate and / or with the Abschott issued.
  • a temperature-controlled air leakage over an upper portion of the conditioning can be avoided.
  • the hood in particular has an opening for the outlet nozzle.
  • the cover plate and the Abschott responded a only interrupted by the outlet nozzle closed bell can be formed, which can be sealed completely airtight to the environment substantially.
  • An unused outflow of tempered air from the conditioning out can be avoided. Instead, the tempered air can only leave the conditioning device via the ballast bed and thereby temper the ballast bed to an intended temperature and discharge moisture, in particular water, from the ballast bed.
  • the cover plate and / or the Abschott Vietnamese and / or the hood is provided with a form-flexible sealing material for the substantially airtight sealing, wherein the sealing material in particular an air cushion and / or brushes and / or rubber-like coverings and / or foam, wherein the Sealing material is covered in particular with an abrasion-resistant film and / or textile.
  • the sealing material in particular an air cushion and / or brushes and / or rubber-like coverings and / or foam
  • the Sealing material is covered in particular with an abrasion-resistant film and / or textile. Due to the shape-flexible design of the sealing material irregularities of the surface to be sealed, in particular the top of the ballast bed, can be automatically compensated.
  • the abrasion-resistant film such as a rubber film can be avoided that the ballast stones rub off the sealing material.
  • sealing material can penetrate even in the case of an irregular surface in recesses and undercuts, imprecise alignments can be compensated for and the largest possible void-free coverage can be achieved.
  • a pressure difference between the pressure within the conditioning device and the environment of, for example, 40 mbar can be reliably sealed with only minor leakage losses.
  • At least two outlet nozzles are provided for blowing tempered air into the ballast bed via at least two inlet regions spaced apart from one another, wherein the two inlet regions are essentially connected via a separating device connected to the chassis, which is in particular comparable to the Abschott worn airtight from each other.
  • the volume flow of tempered air can be increased accordingly.
  • a volume flow of 10,000 m 3 / h can be injected. Due to the two injection areas, it is possible to dry and temper the ballast bed simultaneously in two different places at the same time, without the injected tempered air of one blowing area disturbing the injected tempered air of the other blowing area.
  • the tempering and drying of the ballast bed can be accelerated.
  • the two outlet nozzles are separated from one another in a substantially air-tight manner via the separating device, it is possible to apply the respective injection region at different temperatures.
  • the ballast bed can be substantially completely dried before the rear outlet nozzle in the direction of travel heats this area of the ballast bed to a desired slightly lower temperature.
  • the outlet nozzle is designed such that the injection region comprises at least two threshold compartments arranged between two thresholds.
  • the conditioning device with the aid of the chassis after a first conditioning can be moved by the distance of a Schwellfachs, so that in a second conditioning the blowing area a Schwellfach the previous Einblas Colours and a Schwellfach, which was not previously subjected to tempered air includes.
  • ballast bed depending on the moisture content of the ballast bed, a corresponding amount of heat of vaporization is required to dry the ballast bed, so that in the case of a particularly moist ballast bed, the desired final temperature inside the ballast bed can not necessarily be set with only one conditioning operation.
  • the cover plate between a use position and a transport position is pivotally connected to the chassis, wherein the extension of the conditioning in the transport position of the cover plate for transport in a railway wagon is less than in the position of use of the cover plate.
  • the conditioning device can be used for example by means of a crane in a transport wagon, without the cover plate strike the walls of the transport vehicle can.
  • the cover plate In the position of use of the cover plate, the cover plate can extend well beyond the usual dimensions of a transport carriage laterally, so that a particularly large surface of the side strip of the ballast bed can be airtight covered.
  • the cover plate can be locked in the transport position, for example by means of securing pins, so that the cover plate does not accidentally move out of the transport position during transport.
  • the invention further relates to a method for drying and tempering a ballast bed of a railway track system, the railway track system having sleepers resting on the ballast bed and rails resting on the sleepers, in which, in particular, with the aid of a conditioning device which can be trained and developed as described above, outside of a blow-in area, an upper side of the ballast bed and / or at least one threshold and / or at least one rail is sealed in a substantially airtight manner, before air tempered over the blowing area is blown into the ballast bed.
  • a conditioning device which can be trained and developed as described above, outside of a blow-in area, an upper side of the ballast bed and / or at least one threshold and / or at least one rail is sealed in a substantially airtight manner, before air tempered over the blowing area is blown into the ballast bed.
  • the different conditioning devices each temper areas of the ballast bed that are not tempered by the respective other conditioning device.
  • the tempered areas of the ballast bed can then be foamed up, in particular with polyurethane, wherein in particular the load cone resulting under the sleepers is foamed up.
  • non-foamed regions of the ballast bed can be glued to the upper side or fixed with a particularly porous foam, preferably of polyurethane. As a result, gravel stone flight can be avoided.
  • the foaming below the thresholds takes place in particular such that rainwater can be discharged between the foamed areas.
  • at least one remaining region remains between two thresholds, which extends from the surface to the planum or a drainage mat resting on the planum, so that rainwater can be safely removed.
  • the conditioning device it is preferably provided to lift the hood and / or the cover plate and / or the Abschott issued, for example hydraulically or pneumatically upwards, and to move the Konditioniervorides with the chassis on the rails of the railway track system. Subsequently, the raised areas can lowered again to achieve an airtight cover.
  • the conditioning device can load at least partially with its own weight on the cover plate and / or the Abschott issued to provide a correspondingly high contact pressure for substantially airtight seal.
  • the hood and connected to the hood parts are preferably lowered hydraulically or pneumatically or electrically, for example via a Hubspindelrete relative to the rails or relative to resting on the rails wheels of the chassis.
  • An unintentional offset in the direction of travel or against the direction of travel of the Abschott Vietnamese relative to a threshold can be compensated in particular by a shift of the Abschott Published in the direction of travel or against the direction of travel, preferably by means of a pneumatic or hydraulic actuation system.
  • railway track system 10 shown has a ballast bed 12, on which several sleepers 14 rest.
  • the thresholds 14 carry two rails 16, which are arranged spaced from each other according to the intended track width.
  • the area between two thresholds 14 is referred to as a "threshold pocket".
  • the sleepers 14 are in a support area 18 on the ballast bed 12.
  • the ballast bed 12 has a substantially horizontally oriented side strip 20. At the side strips 20 is followed by a substantially obliquely upwards or in most cases obliquely downwardly extending slope surface 22 at.
  • the in the Fig. 2 to 5 shown conditioning device 24 can blow in between the tracks 16 in the illustrated embodiment across two threshold compartments in a blow-in 26 tempered air. Around the blowing region 26, the conditioning device 24 in a covering region 28 can prevent the escape of tempered air from the ballast bed 12.
  • An outlet nozzle 36 is guided through the hood 34, with the aid of which tempered air from a blower can be blown into the injection region 26.
  • the cover plate 42 is pivotally connected to the hood 34 and can be pivoted from the illustrated use position to a transport position, not shown, in which the cover plate 42 can be locked via retaining rings 44 by means of locking pins or straps or tension cables.
  • the cover plate 42 may be provided with a handle 46.
  • the Abschott Vietnamese 38 has transverse to the direction of sliding partition plates 48, which have a formflexibles sealing material 50 at their stop surfaces.
  • the remaining sealing abutment surfaces of the Abschottinnate 38 and the cover plate 42 may also be provided with the form-flexible sealing material 50.
  • the Abschott immunity 38 and the cover plate 42 are in turn connected substantially airtight with the hood.
  • the conditioning device 24 via the sealing material 50 is substantially hermetically sealed to the ballast bed 12, the sills 14 and the tracks 16 airtight.
  • the side strip 20 is covered by the cover plate 42 so that the tempered air blown in via the outlet nozzle 36 in the blowing region 26 can only leave the ballast bed 12 at a significantly distance from the blowing region 26, for example via the slope surface 22. Due to the high flow resistance at the surface of the ballast bed 12 and the long flow path achieved thereby, the injected tempered air can penetrate the ballast bed 12 particularly deeply.
  • the cover plates 42 may additionally be weighted, for example with separate weight pieces.
  • the cover plate 42 and the Abschott Anlagen 38 a substantially airtight sealed against the environment bell in which the injected tempered air can collect and can form a correspondingly high pressure within this bell, the outflow of in the track bed 12 penetrated tempered Air in the bell prevented.
  • the outlet nozzle 36 may be connected to more than one supply pipe 52, which may each be connected to a blower.
  • the outlet nozzle 36 is configured as a substantially rectangular tube, which is guided through the hood 34 therethrough.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Railway Tracks (AREA)
  • Drying Of Solid Materials (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP11717569.5A 2010-04-30 2011-04-26 Konditioniervorrichtung und verfahren zum trocknen und temperieren eines schotterbetts Not-in-force EP2563971B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11717569T PL2563971T3 (pl) 2010-04-30 2011-04-26 Urządzenie do kondycjonowania oraz sposób osuszenia i regulowania temperatury podłoża z tłucznia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010016733A DE102010016733B4 (de) 2010-04-30 2010-04-30 Konditioniervorrichtung und Verfahren zum Trocknen und Temperieren eines Schotterbetts
PCT/EP2011/056592 WO2011134967A1 (de) 2010-04-30 2011-04-26 Konditioniervorrichtung und verfahren zum trocknen und temperieren eines schotterbetts

Publications (2)

Publication Number Publication Date
EP2563971A1 EP2563971A1 (de) 2013-03-06
EP2563971B1 true EP2563971B1 (de) 2017-01-18

Family

ID=44383851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11717569.5A Not-in-force EP2563971B1 (de) 2010-04-30 2011-04-26 Konditioniervorrichtung und verfahren zum trocknen und temperieren eines schotterbetts

Country Status (12)

Country Link
US (1) US8938887B2 (ja)
EP (1) EP2563971B1 (ja)
JP (1) JP5819405B2 (ja)
CN (1) CN103003494B (ja)
AU (1) AU2011247647B2 (ja)
BR (1) BR112012027907A2 (ja)
DE (1) DE102010016733B4 (ja)
ES (1) ES2622109T3 (ja)
PL (1) PL2563971T3 (ja)
RU (1) RU2560765C2 (ja)
WO (1) WO2011134967A1 (ja)
ZA (1) ZA201209043B (ja)

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WO2012126145A1 (en) * 2011-03-24 2012-09-27 Bayer Materialscience Ag Process for production of ballast
DE102011053368A1 (de) 2011-09-07 2013-03-07 Bayer Materialscience Aktiengesellschaft Raupenkette, Konditioniervorrichtung, Verfahren zum Temperieren eines Schotterbetts sowie Verwendung eines Schaumstoffs
CN103031786B (zh) * 2011-09-29 2016-02-10 拜耳材料科技(中国)有限公司 装置及使用其制备道碴道床的方法
EP2730699A1 (de) 2012-11-09 2014-05-14 Bayer MaterialScience AG Verfahren zum Verschäumen eines Schotterbetts einer Eisenbahngleisanlage
GB2513571A (en) * 2013-04-29 2014-11-05 Quill Internat Group Ltd A method of washing support material from 3D-printed articles and a washing machine therefor
CN104963247A (zh) * 2015-05-04 2015-10-07 江苏威拓公路养护设备有限公司 一种高速铁路道砟微波烘干装备
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Also Published As

Publication number Publication date
EP2563971A1 (de) 2013-03-06
PL2563971T3 (pl) 2017-07-31
CN103003494A (zh) 2013-03-27
DE102010016733A1 (de) 2011-11-03
US8938887B2 (en) 2015-01-27
AU2011247647A1 (en) 2012-11-22
ZA201209043B (en) 2014-05-28
RU2012151189A (ru) 2014-06-10
ES2622109T3 (es) 2017-07-05
US20130055586A1 (en) 2013-03-07
BR112012027907A2 (pt) 2017-07-25
AU2011247647B2 (en) 2015-11-12
JP2013527346A (ja) 2013-06-27
CN103003494B (zh) 2015-08-26
DE102010016733B4 (de) 2012-09-20
JP5819405B2 (ja) 2015-11-24
WO2011134967A1 (de) 2011-11-03
RU2560765C2 (ru) 2015-08-20

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