PT1249537E - Process for renewing a ballast bed and railway treating train for application thereof - Google Patents

Description

ΕΡ 1 249 537 / EN

A process for the renovation of the ballast bed and track treatment train for carrying out this process " The invention relates to a ballast bed renovation process according to the generic term of claim 1.

A process of this kind is known, for example, as a track treatment process, in particular as a track platform improvement process, or as a ballast cleaning process, in which the old ballast of a section of the existing track is lifted and treated to be reinserted. It is known, for example, how to carry out the process under the use of a so-called track platform improvement machine having an integrated material recycling device, for example of the RPM 2002 type of the Plasser & Theurer.

In a German patent application filed on 04-23-2001 under the title " Verfahren zur Versorgung von Linienbaustellen mit Baumaterialien und zugehörige Transport- oder Forderkette, sowie hier einsetzbare Klassifizier- und Fraktionier-einrichtung " and with the official process number 101 19 777.2 whose priority is claimed by the present application, the applicant proposed to provide the necessary materials (eg PSS / FSS material and ballast) in a railway yard, for example in a railway yard ) in a pre-mixed state and then, depending on the yard, classify and, according to the classification, according to at least a quality of the bulk material, possibly according to grain size, or granulometric fractions, fraction to make available the bulk material fractions corresponding to the yard. For example, materials such as pyrite, sand and ballast are not supplied separately but may optionally be in a more or less mixed state and then separated from each other by a screening process.

After the lifting of a track ballast and the treatment of this material by means of the sieving process, etc. (that is to say, after separation of the particles of dirt, abrasion and other substances), fine particles which can not be separated or dissolved by means of the particles are adhered to the stones of the ballast. In particular, in the case of raised ballast it is dirty with clay. A screening of old one-way ballast with fractionation (screening and grinding of major components of the old ballast) is known from DE 1 021 006. The fully uniform grain size achieved by the grinding treatment results in a ballast serving to create a corresponding ballast bed. Uniformity of grain size is ensured by the use of a sieve arrangement which draws out the grains too small in order to be eliminated, however, the grains having the correct size being admitted to a useful function and the grains of the ballast too transported to a grinding device. The crushed ballast is again guided over the sieving arrangement in order to carry out a corresponding classification. The object of the invention is to treat an old ballast as part of a process of renewing a ballast bed in such a way that said ballast bed can be reconstructed as exemplarily as possible on the basis of the old ballast treated, the ballast being treated the quality of a new ballast.

To achieve this aim, it is provided in the process proposed here according to the invention that the old ballast is subjected to at least a fractionation treatment, by means of which it is achieved, starting from the old ballast, a fraction with a grain size smaller in size, and also at least a ballast fraction with a grain size larger grain size, possibly with the separation of at least one fraction of waste, and that thereafter fraction of ballast subjected to a grinding treatment of the fraction with a grain size larger grain size and the fraction of ballast not subjected to the grinding treatment of the fraction with a grain size smaller size are collected, forming at least a fraction with a grain size with larger and smaller grain sizes. 3

ΕΡ 1 249 537 / EN

Usually, in a stationary treatment of the old ballast, the complete ballast is subjected to a grinding treatment to recover the state of the ballast from sharp edges. However, it has been recognized that a higher power of a grinding device used can achieve a better fitability for the grinder, and therefore contribute to a lower wear or a longer life of the grinder, in short, to provide a higher recovery in ballast recovery if the ballast (generally: the bulk material) is only subjected to the grinding treatment from a previously defined particle size, therefore only a fraction of the ballast (generally a fraction of bulk material) of a fraction with a grain size larger grain size. Because the ballast fraction (generally a bulk material fraction) of a fraction with a grain size smaller than the grain size is not subjected to a grinding treatment, the smaller grain size is not destroyed by the grinding treatment, thus, and may be transported back to the comminuted fraction. On the one hand, in this way no losses occur in the ballast fraction or the bulk material of the fraction with a grain size smaller in size, and, on the other hand, the grinding device can be tuned or better regulated fraction of the ballast, or bulk material with larger grain size, as a result of not allowing ballast or bulk fractions with a grain size larger grain size, , better grinding results and, on the other hand, lower wear of the grinding device.

After both fractions of bulk material are collected (in the case of the preferred application: ballast fractions), the resulting bulk fraction (optionally the ballast fraction) of the fraction with a particle size smaller or larger the grain is generally subjected to at least one separation treatment in order to ward off at least a fraction of waste in order to achieve even better results in the quality of the recycled bulk material. The splined or loose parts are in particular separated by this treatment and transported, for example, to other wastes, in order to be eliminated.

At least in the case of bulk material or ballast with a normal or higher degree of soiling, it is advisable to achieve a high quality material, to subject the fractions with a ballast grain size with larger or smaller sized grain sizes, at least to a washing treatment and, more precisely, after the separation treatment (if said treatment is provided). Prior to the washing treatment, the fraction of ballast with a particle size of larger or smaller sized grains may be subjected to a clay removal treatment. It also appears that the possibility of performing a clay removal treatment prior to the fractionating treatment of the old ballast is not entirely excluded. However, it is especially preferable to subject only the ballast fraction with a larger grain size granulometry to a clay elimination treatment, and more precisely, prior to the grinding treatment, so that the grinding device is not filled with clay.

An improvement of the invention is based on the proposal to pass the collected ballast fraction in the course of the lavage treatment by a lavage arrangement in which the ballast fraction is exposed to the lavage water under the action of centrifugal force, or / e to a projection of high pressure wash water jets and then passing said ballast fraction through a second wash arrangement in which the pool ballast fraction is exposed to high pressure wash water jets on a washing screen. In this action, the ballast fraction can pass in the first lavage arrangement by a water jet projection zone, in which several high pressure lavage water jets act on this ballast fraction. In this way, a jet of splashing water jets, particularly intense, can be carried out on the fraction of the ballast, in which operating pressures of about 40 to 80 bar can be applied for example. In this context, it is preferred that the high pressure wash water jets are effected by at least one nozzle arrangement, with preferably a rotating arrangement of nozzles being placed below the spray zone of 5 ΕΡ 1 249 537 / And also that the high-pressure rotary washing water jets are directed upwards.

As an improvement of the second lavage arrangement it is proposed that the lavage screen moves to convey and turn the pellets of the ballast and that the high pressure lavage water jets are directed from above as well as from below to the fraction of ballast in the sieve. In this context, it is possible to operate with reduced pressures, however, even at high pressures, for example, with an operating pressure of 3 to 5 bars. The treatment of the two-stage ballast fraction indicated herein is in particular advantageous in that the first washing arrangement enables effective prior washing so that the total water consumption is reduced. If the ballast fraction is less soiled, it may be conducted through a bypass conduit without going through the first lavage arrangement. Furthermore, the possibility of completely treating the ballast fraction only through the first lavage arrangement should not be excluded. Generally, for this reason, it is proposed that the ballast fraction passes, during the course of the washing treatment, by the first or / and the second washing arrangement. The grinding treatment serves in particular to rebuild the sharp edges of the ballast, or to sharpen them.

In the treatment of the old ballast, the ballast may be subjected, or if necessary, to a separation treatment of clay. To this end, the ballast preferably passes through a toothed cylinder to separate the lumps of clay from said ballast.

In order to avoid an unwanted dust emission which potentially presents a potential hazard, the old ballast may be humidified prior to and / or during the spray-lifting with water. To this end, the water may be spread over the old ballast before or during lifting it from the track, for example by a conveyor chain of lifting material, to prevent the creation of dust, or at least to reduce them. A wetting of this kind could not be applied up to 6

Now as a result of the wetting of the ballast inevitably leads to the adhesion of random substances which contaminated the ballast (ie material from the ground such as clay) and which adhered relatively firmly to the ballast. ballast and can not be removed from the ballast by a normal process. The washing treatment of the ballast according to the invention can, however, safely remove such adherent particles, so that the washing treatment only enables the wetting of the ballast to some extent, in order to avoid dust. Thus, a relevant advantage is achieved, that is to say, a remarkably reduced or even largely avoided appearance of dust in the cleaning of the ballast bed, etc., which prevents or significantly reduces limitations of vision and overload of the environment, as well as the health of personnel, in particular in the case of tunnel sections.

Preferably, the treatment of removing clay and / or spraying the old ballast with water is carried out, if necessary, in the course of an overall treatment which provides for these steps. The process according to the invention can be carried out as part of a process of improvement of the track platform in which the ballast bed and the track infrastructure are lifted, the infrastructure being reconstructed using infrastructure material and the bed of the ballast under use of the new ballast, or / and the old ballast again treated.

In addition, the bed of the ballast may be rebuilt under the use of the new ballast and / or the old ballast again treated, while remaining the existing track infrastructure.

A clay-removal treatment for the ballast fraction with a grain size smaller size will generally not be required because the clay normally forms, as a consequence of the fractionation treatment, pieces or lumps of clay which contain the largest size fraction of grain. 7

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A particularly preferred proposal is that the process according to the invention serves a continuous yard along a line (hereinafter referred to as a railway yard), and the old ballast and fractions of the ballast are transported along that line line. A railroad yard can be a railroad yard. In this case, the process can be carried out using a track processing train which moves on rails and which has devices for carrying out the process steps.

As a rule, it is advantageous to carry out the fractionation treatment and / or the separation treatment as a screening treatment, in which preferably at least one sieve device having several planes, possibly two planes, is applied.

For the process in question, it is proposed that it comprises the treatment of the water used in the course of the process, if any, of the washing water. In the course of the treatment of the water, at least one inclined water treatment clarifying device may be advantageously employed, having tubes extending slopingly upwardly into a water reservoir and into which water contaminated with a flocculating agent, wherein the flocculated material deposited in the zone of a bottom of the water reservoir is discharged, the treated water being withdrawn and collected in an upper zone of the water reservoir. The treatment of the water may in particular be carried out safely in the case where at least one water treatment plant, possibly inclined clarifying device, is placed for the treatment of the water in a nominal horizontal position, or maintained position. This proposal is of particular importance even if a set used for the treatment of the water also functions in an inclined position. Changes in the momentary position of the water treatment system which may cause fluctuations of the water present in the water must always be problematic. Such changes have to be expected in mobile water treatment plants which form part, for example, of a railway wagon and a road vehicle, in particular in the case of the whole water treatment plant, or either of said wagon being transported along the line as the progress of a railway yard, as is often the case. In this way, in the case of a railway yard, an unevenness can be compensated in a momentary track position of the railway wagon, by means of an adjustment of the water treatment assembly with respect to a wagon chassis, in such a way that it is achieved a nominal horizontal position in order to be able to carry out the treatment of water in a safe way. In particular, a fluctuation of water in the ensemble, in the transverse direction of the train, can be avoided with certainty, as has already been implicitly mentioned, as a result of changing gradients.

In the context of the proposal for improvement, it may also be foreseen to compensate for a lift existing at a momentary position on the railway wagon track, or a slope, so that the nominal horizontal position is achieved by means of an adjustment, in order to be able to safely carry out water treatment. By this adjustment, the oscillation of the water in the assembly in the longitudinal direction of the train is prevented.

According to a further aspect, the invention provides a track treatment train for carrying out the method according to the invention, according to claim 28. The track treatment train can show a separation device for which it can the assembled ballast fraction having a fraction with a smaller particle size of grain is transported by means of a conveying device and from which at least one useful ballast fraction can be drawn through a conveying device and , at least a fraction of residues. The traction conveying train advantageously has a rail-displaceable lavage device which can be fed by means of the dirty ballast conveyor and from which at least a washed useful ballast fraction, if any, may be transported to the equipment the location of the assembly. In addition, it is preferred that the track treatment train has a rail displaceable clay elimination device which is connected, or potentially connected, between the fractionating device and the grinder, or front of the washing mechanism. The transport device is preferably designed in such a way that the respective ballast fractions and the old ballast are selectively transported, depending on the degree of soiling, to the clay removal device, and withdrawn therefrom, or driven so as to pass through to the side of said clay removing device without being introduced into said device. Furthermore, the transport device can be designed in such a way that the useful ballast portion can be transported directly to the laying machine or to the laying place without entering the washing device. It is also possible to provide that the conveying device is designed in such a way that the ballast fraction with a larger grain size granulometry is directly assembled to the ballast fraction with a grain size smaller size without being introduced into the crusher. However, it is generally not possible to want or be able to dispense with a grinding treatment. The clay removal device may have at least one toothed cylinder which, if necessary, at least in cooperation with an elastic cylinder (such as a rubber cylinder or a sponge rubber cylinder) is capable of separating the lumps of clay of the ballast fraction with a larger grain size granulometry, or / and the fraction of the aggregated ballast, or the old ballast.

In order to avoid dust or even reduce it, it is advantageous that in the context of lifting the old ballast, the track treatment train has a wetting device for humidifying the old ballast prior to lifting by the ballast lifting device, or / and for moistening the ballast lifted inside the ballast lifting device, or in a unit following the said lifting device. The ballast moistening device may contain at least one spray device. 10

ΕΡ 1 249 537 / EN

In addition, the track treatment train may have at least one water reservoir associated with the washing mechanism and / or the ballast wetting device, so that the track treatment train can be used without a water supply. In order to be able to reuse the already used wash water in a new wash, or for other purposes, the track treatment train preferably has a water treatment device associated with the washing mechanism of the ballast.

With respect to the lavage device, it is proposed with particular relevance that it has at least a first lavage arrangement, in which the ballast may be exposed to the lavage water under centrifugal forces, or to a projection of high pressure water washing jets, and / or having at least a second washing arrangement, in which the fraction of ballast placed on a washing screen is exposed to high pressure washing water jets. The first lavage arrangement may have a sloped drop section of the ballast comprising a zone of a jet projection in which the fraction of the ballast is exposed to high pressure wash water jets, preferably rotary jets. To this end, the first lavage arrangement may have at least one nozzle arrangement located below the region of a spray pattern and apt to direct the high pressure rotary lavage water jets upwards. The washing screen of the second washing arrangement can preferably be moved for the transportation and turning of the ballast grains, and the high pressure washing water jets may preferably be directed from above as well as from below, fraction of ballast that is placed on the sieve.

According to the invention, a very high ballast quality can be achieved which stands out, in particular, in that the ballast does not contain any lumps of clay after cleaning. A large flow rate is possible in the treatment of the ballast and, at the same time, a small consumption of water.

In connection with the implementation of an overall process comprising the process according to the invention, silo wagons, carriers which are already known to those skilled in the art, can advantageously be employed in the case of track construction work. Patent documents DE 32 19 025 C2 and EP 0 096 236 B2. The content of these patent documents is integrated through the reference in the publication of this application. In addition, silo wagons, carriers described in a patent application filed on 12.04.2001 by the applicant, entitled " Schienengängiger Förder-und Silo-Waggon, Transportzug und Verfahren zur Aufnahme, Zwischenspeicherung und Abgabe von Materialien im Zusammenhang mit Gleisbauarbeiten " and with the official process number 101 18 393.3, the priority of which is claimed by the present application. Reference should also be made to the subsequent European application EP-A-1249535 filed simultaneously with the present application.

Thereafter, the invention is explained in more detail in the embodiments shown on the basis of the figures. 1 shows an example of a conveyor silo which can advantageously be employed in the case of road construction works within the scope of the invention in a partial cross-sectional view in the longitudinal direction of the vehicle. (It is a "two-storey" transport silo carriage according to the applicant's application filed on 12.04.2001, already mentioned above.) Fig. 2 shows a chain of wagons-transport silos connected together , in order to distribute the material of the type shown in Fig. 1. Fig. 3 schematically shows a momentary state of loading and transport of a conveyor-silo conveyor chain of the type shown in Figures 1 and 2 Figure 4 shows a rail treatment convoy with a plurality of transport silo wagons of the type shown in Figures 1 to 3, which serve as intermediate reservoirs between the side of feeding the material of a track treatment device and a screening device, displaceable on rails, and with a plurality of silo wagons of 12

Usually disposed on a feeding side of the material of the screening device. Fig. 5 shows a variant of the track treatment train shown in Fig. 4, connected to a transport reservoir wagon, on the feed side of the screening device material. 6 shows a variant embodiment of the track treatment train, in which the track treatment device has two lifting chains and on which side of the material transport are arranged transport silo wagons for depositing separately, intermediate form, the material received, or / and to convey the same. Fig. 7 shows, in Figs. 7a and 7b, a variant embodiment of the track treatment train according to the invention, in which the treated old ballast and the new ballast are washed in a carriage moving on rails prior to placement. Fig. 8 shows a section of the track treatment train according to a variant embodiment in which only one of the two fractions of the old ballast is subjected to a clay elimination treatment and a grinding treatment. 9 shows, in the partial figures a) and b), two possibilities of the arrangement of a water treatment wagon in the track treatment train, in which the figures referring to the track treatment train show at the same time a variant embodiment in relation to the arrangement of two assemblies, which serve to treat the old ballast in relation to the working direction. 10 shows, in partial figures a) and b), two examples of water treatment wagons of the track treatment train, in which each of the wagons is equipped with two so-called inclined clarifying devices. 13

Fig. 11 is similar to Fig. 8, however, showing the relative arrangement of the ballast treatment assemblies relative to the working direction, on which Fig. 9 is based. Fig. 12 shows a railway wagon with a rotating platform in the transverse direction which can accommodate, for example, water treatment assemblies (such as inclined clarifying devices to keep them in a nominal horizontal position). Fig. 13 shows a water treatment wagon constructed according to the principle of Fig. 12, wherein it is represented in the partial figure a) in a position without any track unevenness, and in the partial figure b) in a position with a track gap. Fig. 1 shows a railway wagon in the form of transport wagon-silo 10, which is adapted, with respect to its cross-sectional dimensions, to a predefined limiting profile 12. The wagon 10 has a chassis 14 equipped with wagon side walls 16. The structure of the wagon 14 is supported in a manner known per se on a plurality of bogies 18, each of which is provided with several axles of wheels.

In a lower area of the wagon 20 there are a number of lower floor assemblies type drive devices for material transporting devices and depositing and dispensing devices, to be described below.

Above the lower part of the wagon, a material collecting reservoir 24 which has a bottom 26 and side walls 28 is secured to the chassis 14 in a stationary manner and forms, together with a section 30 of side walls 16 , disposed above the side walls 28, a collection box for the bulk material. A level of filling of bulk material is indicated exemplarily by the dashed lines 32. The bottom 26 of the collection tank has, in a manner already known, an upper end of a 14 Ε 1 249 537 For example a row of manifolds by means of which the material collected in the collection box 40 can be transported in the longitudinal direction of the wagon.

Above the collection box 40 which will hereinafter also be referred to as the " lower collection box " is disposed another collection box (" higher ") 42 also comprising a collection reservoir 44 which has a bottom 46 and side walls 48. The upper collection carton 42 may also collect bulk material; a certain level of filling is exemplarily indicated through dashed line 50. The bottom 46 of the upper collection reservoir 44 correspondingly has an upper end of a conveyor belt, for example a row of collectors which serves to transport the bulk material in the longitudinal direction of the wagon. The upper collection tank 44 is not arranged stationary in the chassis 14, but in a vertically displaceable manner, by means of a regulation mechanism based on the hydraulic technique. In the case of lowering of the upper collection tank 44, the space of the existing material collection arrangement increases above the bottom of the reservoir 46, with the corresponding reduction of the space of the collection of material above the bottom 26 of the lower collection reservoir 24, and vice versa. Because the vertical displacement of the upper collection reservoir is regulated, the material accumulation capabilities of the upper and lower collection boxes 40 and 42 can be regulated oppositely to each other, increasing the collection capacity of a carton by reducing the collection capacity of the other. It is clear that in Fig. 1 the uppermost position of the upper collection tank 44 is shown in the chassis 14. In the case of lowering of the collection tank 44, the bulk material can be accumulated so as to protrude from the level of the edges of the walls of the reservoir 48, as a consequence of the fact that the stationary limiting walls 52 extending in some sense upwards are provided on the sides of the side walls 48 of the carriage, the lateral walls 15

The lower collecting tank 44 in lower vertical displacement positions in relation to Fig. 1, and laterally limiting, together with the walls of the reservoir 48, the collecting box 42. The vertical adjustment of the upper collection tank 44 is effected together with an intermediate structure 54 which supports the tank. The lower setting position of the upper collection tank 44 is limited through the upper edges of the side walls 28 of the lower collection reservoir 24. The lower collection box 40 is therefore essentially laterally limited only by the side walls 28, as a result of it being no longer possible in a filling of the collection box 40, to remarkably exceed the level of the upper edges of the side walls 28 in the lowermost position of the upper collection tank.

In Fig. 1 it can be seen, with respect to the limiting profile 12, that there is still a clearance above the side reinforcing elements 60 of the frame 14. In this zone, the upper end of a distribution and loading belt can be arranged which serves to distribute the material, i.e. the filling of the upper collection carton 42. The conveyor speed of the conveyor belt associated with the bottom 26 on the one hand and the conveyor belt associated with the bottom 46 on the other hand are variable and can be regulated independently of one another.

Conveyor belts can also be switched off independently of one another. As a rule, the belts will operate in the same direction of transport. However, in some situations, it may be convenient to provide opposite transport directions.

The collection boxes and their conveyor belts may be used independently of one another in accordance with patent documents DE 32 19 025 C2 and EP 0 096 236 B2, selectively, for the storage and transport of materials, in particular of materials. It is also possible to use a pick-up box together with its conveyor belt (which can be collectively referred to as a conveyor belt) for the storage of material, the other collection box together with its Conveyor belt (which can be jointly designated as conveyor belt) for the transport of material. Conveyor belts can be used for parallel feeding and simultaneous storage, or for parallel transport and simultaneous storage of materials and fractions of materials. For example, the ballast and sand can be transported in parallel to a railroad yard. 2 shows a side view on a conveyor-rail chain of the type shown in Fig. 1. Wagons 10a, 10b and 10c are recognized, each of which has a lower collection box 40a, or 40b, or 40c and an upper collection box 42a, or 42b and 42c. The collection bins are connected to each other via a distribution conveyor 70 and 72 protruding from one end of the wagon towards a distribution of bulk material from wagon wagon in the transport direction F, more precisely the lower collection box 40a connected through the distribution conveyor 70a to the lower collection box 40b, and this carton, by means of the distribution conveyor 70b, to the lower collection box 40c, wherein the upper collection box 42a is is connected via the distribution conveyor 42a to the upper collection box 42b, and the upper collection box 42b, via the distribution conveyor 72b, to the upper collection box 42c. All of the dispensing conveyors extend from a lower level of material distribution approximately in correspondence with the level of the bottom of the reservoir transversely above the greatest possible filling state of the collection boxes. Each of the dispensing conveyors may be supported by a material inlet funnel or a device similar to the attached collection carton. The lower pick-up boxes are arranged in a slightly misaligned manner relative to the upper pick-up boxes opposite the conveying direction F so that an area of the end of the lower pick-up box which possibly has a material inlet funnel do not be 17

ΕΡ 1 249 537 / EN covered by the top collection box and is therefore accessible for feeding the material.

The distribution conveyors may in particular be rotated laterally in correspondence with the relevant pathway turn radii so as to be able to distribute the wagon material to the wagon, also on a track curve. In addition, the distribution conveyors may preferably be rotated in a vertical plane at least to some extent so as to be lifted from the material inlet hoppers, ie from the edges of the collection tanks of the moving wagon in the conveying direction F. To this end, a cable winch or similar means may be provided. Fig. 3 shows a chain of transport wagons 10a to 10f, each of which is equipped with a lower collection box. The quantity of bulk material collected or transported in the respective collection boxes is visible. The wagon 10 'shown in displacement in the conveying direction F is formed in its front region in said conveying direction F, such as the transport silo wagons and in particular has distribution conveyors of the type described. In a rear zone in the transport direction F, this wagon has material loading funnels and conveyor belts which enable, by means of the distribution conveyors, a supply of material without mutual dependence to the chain of the upper collection boxes and to the chain of the lower collection boxes. The wagon 10 'may be referred to as an adapter wagon, or wagon, and allows, for example, the feeding of material from conveying tank wagons or from the usual conveying wagon a collection box, for example, in accordance with patent documents DE 32 19 025 C 2 and EP 0 096 236 B2, or of the proven type MFS 40 (Plaser-Knape System), or of later types. According to a particularly interesting application in the case, collections of bulk material can be transported to the collection box chains which are made available by means of a sorting and sorting device displaceable on rails, possibly in the form of a device of a sieve, or of a sieving device. 18

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In the chain shown in Fig. 3, the carriage 10d is discharged, the material being distributed through its distribution conveyors to the associated pick up boxes on the front wagon 10e in the transport direction F. The amount of material stored in the wagon 10e remains in this constant operation, in that a quantity of material corresponding to the quantity of material supplied through the distribution conveyors is filled in each of the collection boxes by filling the collection boxes of the wagon 10f. The pick-up bins of this wagon do not accumulate any significant amount of material as a result of the material being received continuing to be transported in the transport direction F by passing over the wagon. The wagon 10c does not currently contain any material and also does not carry any material from the wagon 10b to the wagon 10d. The wagon 10b is currently filled with material which is conveyed to the adapter wagon 10 'by means of the wagon 10a serving only for transport. Depending on the means of transport, or the sorting and fractionating means through which material or materials are transported to the adapter wagon 10 ', the wagon collection boxes 10b may be filled simultaneously, or one after the other, or alternatively with material, for example with ballast and sand, to supply a railroad yard from the wagon chain.

For example, a situation may later arise in which the car 10d and the car 10e are essentially emptied. In this case, these wagons may be filled again by material from, for example, the wagon 10b, or the railway yard may be immediately stocked with materials from the wagon 10b without the materials passing through the wagons 10c, 10d, 10e and lOf. A continuous cycle of loading and unloading can be implemented that will permanently provide a sufficient supply of material so that the necessary materials can be transported to the railway yard.

This explanation applies in a corresponding way to the transport of different materials outside the site of the yard. In this case, the adapter wagon 10 'could be loaded with materials, for example, from a 19

(Eg ballast material and infrastructure material). The transport direction F may correspond in both cases, therefore, it can not be only for food but also for the transport of materials, with the working sense of a track treatment train or a track treatment device (that is to say: with the direction of travel of the railway track on the road). Fig. 4 shows an example of a track treatment train as previously mentioned. The numeral 80 designates a track treatment device which travels in a working direction A, for example a so-called track platform improvement machine which presents a lifting chain 82. The lifted material (for example, here together with ballast and ground materials, or infrastructure material) is distributed through conveyor devices 84 to a conventional transport silo carriage 11 which serves to transport material, and which is at the same time, for example, the rear wagon seen in the transport direction F corresponding to the working direction A of a chain of conveyor wagons of the same type, all of which are equipped with a collection box. The transport of material may be carried out in accordance with the doctrine of patent documents DE 32 19 025 C2 and EP 0 096 236 B2. The track treatment device 80 is fed, if necessary, through two transport silo wagons 10a and 10b of the type shown in Figs. 1 to 3 serving as an intermediate storage for two different materials or fractions of different material and passing more precisely over several intermediate wagons 90, 92 having conveyor belts 94 mounted and possibly one or more distribution ramps 96 , for example, for ballast material. In the exemplary embodiment shown, the intermediate wagon 92 comprises a filling device known per se. The carriage 90 may serve as a support for drive devices, engines, hydraulic pumps, generators, etc.

The wagons 10a and 10b serving as intermediate tanks are again filled with materials necessary for the railway yard, by means of a screening device, or a scrollable screening screen, which may be designated as a railway wagon. 200 (as a preferred refinement of a sorting and fractionating device). The materials are usually transported in any sequence or in more or less homogeneous blends through a feed funnel 202 to the sieving wagon 200 and driven through a transport means apt, in particular through at least one conveyor belt conveyor at least to a sieve of separation from the sieving wagon. The separation screen shown symbolically in Fig. 4 by a drum screen 204 separates the transported materials according to at least one characteristic curve of the separation screen into two fractions, for example in a sand fraction and in a ballast fraction , one of which is carried to the lower chain of the collection boxes and the other to the upper chain of the collection boxes of the wagons 10a and 10b by means of suitable conveying means and conveyor belts. Even if homogeneous or unmixed material is introduced at the time into the feed hopper 202, the material passes, according to the example shown here, forcefully by the separation screen 204. In this way, maximum flexibility is achieved in relation to the supply of the necessary material, without the need for large logistical means. In the scope of the intermediate deposition capacity of the transport silo wagons 10a and 10b, it is completely indifferent in what sequence or in what mixing ratios the required individual materials arrive, it being sufficient that the materials transported in relation to the intermediate deposition capacity of the wagons 10a and 10b roughly correspond to the consumption ratio of the material in the track treatment device 80. In short, the transport of large quantities of different materials to the railway yard is achieved in order to obtain great progress in the construction (such as a newly renovated section of roadway).

For the transport of the materials, optionally in a non-separate or mixed manner, conventional transport wagons 11a, 11b, 11c and 1d may be used. A further possibility represented in Fig. 5 is to feed both chains from the collecting boxes connected together, provided for - if necessary - two materials or fractions of material through the wagon 21

By means of the tank wagons 100a, 100b and 100c, each of which has a plurality of conveyor tanks 102. For emptying the tanks into a material feed hopper 202 or similar devices of the screening carriage 200 ', there may be used rolling frames 104 of which at least one can be moved along a chain of conveyor wagons. The wagon vats may be loaded by different materials so that materials can be conveyed to the track treatment train by means of a wagon or by a chain of wagons connected together. Another possibility is to bring in a number of different materials, eventually mixed together.

If, in accordance with Fig. 4, several transport silo wagons are used, each of which is equipped with only one collection box, then each of the collection boxes can be filled with a different material, after emptying, for example of the wagon 11c, which has carried, for example, the ballast which has subsequently been distributed through the screen wagon 200 to the lower chain of the collection boxes of the wagons 10a and 10b, a wagon 11c is subsequently transported through the wagon 11c, other material from the wagon 11b, for example sand, through the screen car 200, to the upper chain of the wagon collection boxes 10a and 10b. It is also possible that an individual wagon, for example the wagon lld, has carried both ballast and sand, and then the materials are separated from one another on the screen wagon 200 by screening in the separation screen 204.

With regard to the distribution of the materials to the chain of the collection boxes by means of the screening car 200 or 200 ', according to Figs. 4 and 5, it must again be pointed out that the screen car is advantageously equipped with multiple conveyor belts - in the present case, with two belts 70 and 72 - in order to be able to simultaneously load the chain of the collection boxes and the lower chain of the collection boxes with material.

As already mentioned, for example, the upper chain of the collection boxes is loaded with ballast and the lower chain of the collection boxes with sand (PSS material). Of course, it is also possible to load the top chain of the sandboxes and the bottom chain of the ballast collection boxes, at least in the case - if preferred - of the lower and upper collection boxes are suitable for collecting all necessary materials in the context of track work. The previous explanation on the basis of transport wagons fitted with two overhead collecting tanks and a sorting and fractionation device designed to separate two fractions can be applied without any problem to transport silo-wagons fitted with more than two pick-up boxes, for example with three pick-up boxes and a sorting and sorting device designed to separate more than two fractions. In this way, three or more different material or fractions of material may be transported to the railway yard in a non-separate manner (optionally mixed) and, if necessary, by means of a sorting and fractionation device, if necessary , of a screening device. For example, it is possible to transport sand and ballast from a first granulometry and ballast of a second granulometry different from the first, in a mixed manner, possibly simultaneously, to the sorting and fractionating device which then makes available the corresponding fractions of material. A road-repair expert will instantly remember other job possibilities without much effort. The expert will also immediately ascertain that what has been previously explained on the basis of track works can be transmitted, without any problem, to works in the context of any other railway yard, for example, from a road construction site. Fig. 6 shows a variant embodiment of the track treatment device 80 with two lifting chains 82a and 82b. The collection chain 82b receives, for example, the ballast and collection chain 82a, or for example the infrastructure of the ballast (such as soil materials). The materials lifted by the lifting chains are delivered separately from each other through the conveyors 84a, or the conveyors 84b, to a conveyor 23a.

The respective collection box 40g or 42g is connected to a transport silo truck 10g, in the case of a subsequent wagon in the working direction or in the transport direction A of a wagon chain of the corresponding type . The ballast thus conveyed to a chain of lower collection chambers, and the infrastructure lifting material thus transported to a chain of upper collection chambers, may be conducted in a continuous charge and discharge cycle, for example in accordance with 3, away from the railway yard. It is also possible to equip the track treatment device 80 with a material handling device, or to provide a separate track handling wagon, situated perhaps between the rail treatment device 80 and the transport wagon-silo chain, for separating the hoisting material from at least one of the conveyor chains relative to fractions or components materials, or / and treating this hoisting material, and thereby utilizing the material, or materials, or fractions of material that can be reused in the rail yard, so that consequently less new material has to be transported from the feed side (wagons 10a and 10b).

Through both lifting chains 82a and 82b arranged in the track treatment according to Fig. 6, the entire track ballast and the infrastructure incapable of supporting the construction can be lifted and loaded in the working direction of the machine, by means of an arrangement of conveyor belts, into conveyors movable on rails - in the case of Fig. 6, two-storey conveyor belts - and transported to an external treatment device or to be totally eliminated. In order to save on transport and disposal material costs, it is advantageous if the lifted ballast is treated in a ballast handling device displaceable on rails of the track treatment train, for example by means of screening or grinding, in such a way that , depending on the degree of soiling, is suitable for reuse on the track and is thus made available as material to be placed in a corresponding section of the track treatment train. In the case of the ballast being quite dirty, in particular, by clay impurities, however, the problem of the very cohesive material remains in the ballast, with the clay particles being transformed in both the 24

(Spheres similar to ballast grains) which can not be removed by sieving and which treat the ballast in question. In addition, the treatment of the ballast loses a part of its effectiveness by the clay impurities firmly adhering to the ballast grains, or by any other soils. One solution to this problem is the integration of a clay disposal device as well as a washing device for a track treatment train. The clay elimination device should, in particular, serve for the elimination of said lumps of clay from the ballast. The washing device serves to separate the dirt particles adhering to the ballast, for example, clay or fine particles from the ballast.

In the event of particularly intense dirt on the ballast caused by the clay, it is however possible to dispense with a treatment of the ballast for reasons of great loss of time and quality results, if sufficient, by allowing the ballast to be lifted beside the device including the clay removal device and the washing device, without entering them, and transporting the ballast to a place of treatment or disposal. An external treatment is advantageous in that reusable materials can be separated from the dirty ballast and thus can be reduced (by reducing the volume of the material to be deposited) the costs of the deposit.

As was previously explained based on Figs. 4 and 5, materials in the mixed state can be transported to the railway yard in order to ensure a supply of material corresponding to a high working capacity. Feeding material, for example, with two different materials (such as platform crusher and ballast) can be simplified in this way and thus problems in material change are avoided. The separation of the materials is effected through a separation module of new materials connected between the feed side of the material and the laying section of the track treatment train material, such as the separation screens 204 or 204 'movable on rails according to Figs. 4 and 5. 25

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After separation in the separation module of new materials, fine particles, in particular unwanted fine sand particles, can remain adherent, for example, by contradicting, for example, their technical quantity, the technical conditions of supply to the customer requesting the ballast. One solution presented here consists in a washing device connected downstream to the separation module of new materials which is preferably constructed as a rail-displaceable module.

Based on Figs. 7a and 7b is given below an example of the track treatment train according to the invention, which has on the supply side of new materials of a material laying section a ballast washing apparatus connected downstream with an arrangement of new materials, and having on the transporting and recycling side of a material handling section of the track treatment train a down-connected clay disposal device with a ballast treatment arrangement, and a ballast washing device connected downstream with the latter. The traction train shown in Fig. 7 shows the following wagons, modules or units: first, at least one transport silo carrier A (for example in accordance with the wagons already known from DE 32 19 025 C 2 and EP 0 096 236 B2) used for the transport of infrastructure material, or ballast waste, for disposal or recycling; at least if a drive unit (at least one drive train) B of hydraulic supply is required for other modules or units of the traction train, in particular the sieve car, of the conveyor belt lifting chains distribution, in particular, also of conveyor belts for the transport of lifting material to wagon A; a screen wagon C equipped with a crusher having a prior screen (eg a multi-plane screen) equipped with a setting mechanism for direct charging (bypass line) in the event of excess or dirt from the ballast, a crusher for sharpening the edges of the ballast, and a subsequent sieve, for example a sieve of a single plane for the removal of grains too small for sieving; a ball-and-slide ballast washing device (ballast washing module or ballast washing wagon) D equipped with a clay-lumping device (connected, if necessary, with a high-pressure cleaning device (hereinafter referred to as a cyclone purifier) with a high pressure wash screen, with a water treatment device for the reuse of the water in the washing device, or / and for the wetting of the PPS material, or of the old ballast intended for a lifting and laying machine E equipped with a lifting chain for the old ballast (the ballast bed of an existing track) and a lifting chain for the track infrastructure, as well as positioning devices for the reconstruction of the infrastructure of the track ballast bed consisting of new material or recycled old material; a material supply and filling module F equ with conveyor belts for loading the material and at least one filling device; a ballast separation and washing screen module G provided with at least one separation screen for separating the ballast materials and mixed-supplied PSS materials, and a ballast washing apparatus for washing away the impurities adherent to ballast grains; and at least one conveyed silo wagon H for feeding the PSS material (track platform gravel) and new ballast, for example according to the wagons already known through DE 32 19 025 C 2 and EP 0 096 236 B2, making no difference because of the existence of the screening device of module G, if the material is supplied in separate fractions, or as a mixture of gravel and ballast. In the case shown, there are no downstream conveyors connected to the wagons 10a and 10b according to Fig. 4, so that the intermediate deposition capacity for materials already separated from each other is relatively small. For this reason, the track material had to be provided as a mixture whose mixing ratio matched the ratio of need for new materials in the placement of the material in a module E.

It should also be mentioned that in the representation of Fig. 7 it is largely a schematic representation. The section of the module E in the working direction A comprises 27

The lifting chain of the old ballast 82b could be extended in order to carry out a ballast transport without any problems. As will be explained further below, the old ballast is conveyed through conveyor belts in an upper zone of the train in the direction of work A, forwardly, a correspondingly vertical lift being necessary. To this end, it would be convenient to position the conveyors of the main lifting belt lower in the hinged part between D and E. The distribution belts for the ballast run through the upper hinged part between D and E.

The modules, units or wagons A, B, C and D are intended for the treatment of lifting material and for recycling of the ballast and may be collectively referred to as lifting and recycling material devices. This device may, in principle, be used in conjunction with any track deck and ballast cleaning machines. The lifting machine for the old ballast and the infrastructure E may in principle be of any type, in particular in relation to the formation of the lifting device (lifting chains) and the platform ballast. The infrastructure material lifting chain 82a may preferably also be used for lifting the ballast, so that the lifting chains 82a and 82b can be employed in parallel in order to achieve excellent performance in case the ballast is renewed or cleaned, however, the infrastructure remains unchanged. The filler material and new material distribution module F may have at least one ballast silo and at least one PSS ballast silo, the silos being possibly formed by a ballast filling hopper and by a filling hopper of PSS material of correspondingly large dimensions (PSS = track layer protective layer). 28

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Next, the flow of either the new material or the old material is explained, wherein the track treatment train functions as a track platform upgrade train (the ballast and the one-way infrastructure are renewed). The old ballast is carried by a chain of lifting an old ballast 82b (as well as eventually via the lifting chain 82a by a distribution conveyor which connects the ballast conveyor belts 84b) by means of conveyor belts of the ballast 84b-1, 84b-2, 84b-3, to a sieving device 300 (i.e., for the ballast 24/60 which has, for example, a screen having several planes (preferably of the tubular filter type). screening sieves are transported through conveyor belts 302 and 304 to at least one wagon A (corresponding to the wagon 11 of Fig. 4) together with the lifted material transported (in particular old material of the infrastructure), which A transferring arrangement is provided at the end 84b-3 which enables the transport of the old ballast not to the sieving device 300, but to by means of conveyor belts 304 for the lifted material and thus for the wagon A, in the event that treatment of the ballast is not convenient or possible as a result of considerable soiling or damage. The lifted material of the infrastructure is conveyed through the lifting chain 82a of the conveyor belts 84a-1, 84a-2, 84a-3, 84a-4 to the lifted material conveyor belts 304 which convey the material to the wagon A. From the screening device 300 slides a conveyor belt 306 to a subsequent crushing device of the ballast 308. The crushed ballast is led by means of a conveyor belt 310 to a rear sieving device 312 (for example, ballast 24 / 60), in which sieves which are too small are created by sieving, in particular, by the subsequent grinding treatment carried out in the grinder 308. The sieving residues (grains with too small particle size or subsequent sieving residues) are transported through belts conveyors 314 optionally comprising conveyor belts 302 for conveyor belts 29

The ballast which corresponds to a nominal particle size, therefore, the ballast which has not been eliminated by means of the screening device 312 (carried out, for example, by means of the ballast 304, for example, as a monoplane screen), is conveyed through conveyor belts 316 to a clay lump removal device 320 having the designation " clay and clay remover ". The " Clay & Clay Remover " has at least one toothed cylinder which cooperates with a rubber cylinder or with a sponge rubber cylinder and which eliminates the clay lumps of the ballast and even the clay lumps of a size corresponding to the ballast grain size which does not can therefore be removed by screening. The lumps of clay embedded in the teeth of the toothed cylinder are removed from the ballast and then withdrawn from the toothed cylinder. A bypass conduit may be provided which enables a ballast to be deflected around the "clay and clay remover", for example in the case where the ballast is cleaned or contains only negligible quantities of clay. The ballast free of clay is transported to a cyclone washing device 322, in which the ballast is subjected in a drop section to an intense projection of rotating wash water jets from below, in order to be removed the more thick. The thick soil is effectively separated by swirling. The ballast falls, for example, onto a rotating disk which has high pressure nozzles, and is radially outwardly projected as a result of the centrifugal force. A bypass duct can be provided which enables the ballast to be guided around the cyclone washing device without the ballast entering the ballast being less dirty in the case of the ballast. The arrangement may be formed in such a way that a common bypass conduit is provided that conducts the ballast to both the clay and mud eliminator 320 and the cyclone lavage device 322 without entering therein. The ballast, optionally after passing through the clay and slag eliminator 320 and / or the cyclone washing device 322, is placed on a high-pressure washing water screen 326, in which the ballast is 30 Ε 1 249 537 / Conveyed by means of vibrations and swings of the washing screen, being agitated and projected intensely with water from both below and from above.

In addition, a settling basin for the washing water together with a drainage channel is provided in the module D, in the scope of the washing screen 326, as well as (at 330) a water reservoir and a treatment equipment waters. The water treatment preferably functions as follows: The polluted water discharged by the cyclone washing device 322 through the high pressure wash screen 326 is introduced into the settling basin so that the solid components, in particular the slurry , can be sedimented. In an upper level zone of the washing water contained in the settling tank, the water is withdrawn and transported to the water reservoir, or / and to the water treatment device. Through a drainage chute integrated in the sedimentation vessel, the sludge is transported to a sludge centrifuge 324 which serves to separate the sludge from the water. The water released from the sludge is transported to the water reservoir, or / and to the water treatment device, by means of the sludge centrifuge. Preferably, a suitable reservoir for fresh water is provided, and a suitable reservoir for the water used. From the fresh water reservoir itself or directly from the water treatment device, conduits may be placed in the zone of the ballast chain 82b, or in the area of the infrastructural lift chain 82a, in order to power to moisten the old ballast prior to lifting in order to avoid the appearance of dust. In addition, conduits may be placed in the area of the module E which places the protective layer of the track platform in order to be able to humidify the PSS material for placement. The old treated ballast is subjected in module D to at least one washing or wetting treatment, thereafter also referred to as recycled ballast, and is then transported by means of conveyor belts 332-1, 332-2, 332-3, 332- 4 and 332-5 for a ballast loading funnel 334 serving simultaneously as a ballast bin. The equipment for placing the ballast of the module E placement device receives from the injection funnel, in case of necessity, both the recycled ballast and the new ballast. The feeding of new material takes place as follows. Material withdrawn from at least one wagon H (corresponding to wagon lld of Fig. 4), as a rule a mixture of new ballast and bulk material, roadway protective layer gravel (PSS material) is introduced via a distribution conveyor 340 in a sieve arrangement 204 "(for example for ballast 24/60), which has, for example, at least one tubular filter. The PSS material passing through the sieve array as sieving waste is introduced through the distribution belts 332-1, 332-2 and 332-3 into an injection funnel 344 of PSS material which also fulfills the function of a silo. The device for placing the protective layer of the platform of the module E receives, if necessary, the PSS material from the injection funnel. The ballast screened by the screening device 204 ", cleaned from the PSS material, is conveyed by means of a conveyor belt 346 to a ballast washing device 350 of the module G which has, for example, a high wash screen which pressure corresponds to the washing screen 326. In addition, the module G is equipped with at least one water reservoir, a settling tank for washing water, a drain chute, a centrifuge and a treatment device Water. For the material of the new ballast, no prior intensive washing will normally be necessary by means of a cyclone washing device or the like. However, the module may be formed with respect to the ballast lavage device and the additional devices associated therewith such as module D. The washed ballast is conducted through conveyor belts 332-1 and 332-2 to the hopper ballast 334.

There may also be provided a ballast loading funnel for the recycled ballast and a charging funnel for the new ballast, for example in case the recycled ballast and the new ballast are to be placed in a certain mixing ratio. 32

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If it is intended to avoid high investment and maintenance costs conditioned by two ballast washing devices, i.e. a recycled ballast washing device and a new ballast washing device, then the treatment train can be equipped also with only one ballast washing device. Both the treated ballast, eventually the old ballast released from clumps of clay, as well as the new ballast, are transported to this ballast washing device. To this end, it would in particular be convenient to integrate the ballast lavage device into the module E, preferably into the funnel zone or ballast loading hoppers. If it is desired to limit the use of a conventional lifting and laying machine, it is for example possible to initially transport the new ballast in the working direction forward through the module E to the washing device 322, 326 of the module D, where it is washed or moistened together with the old recycled ballast. By employing corresponding silos an old ballast and new ballast can be transported in a certain mixing ratio to the washing device.

With regard to the washing device 350, it should be mentioned that a bypass duct could also be provided in order to be able to pass to the side of the washing device without entering it, so that in the case of a pure ballast supply, that is to say, not mixed with PSS material, a washing treatment may be dispensed with if necessary. As for the sludge which is created in the washing devices 350 and 322, 326 it may be provided that it may be led to the new PSS material in order to be inserted together with this material. The treatment of washing water can be avoided, or the resources for this treatment can be at least reduced in the case of the use of water used to humidify the infrastructure material to be inserted, or for the wetting of the ballast to be raised, or even raised. In this case, the fresh water transported in the track treatment train is used with priority for washing the ballast but not for the wetting of the infrastructure material or the ballast.

Fig. 8 shows a variant embodiment of the track treatment train with respect to the treatment of the ballast. O 33

According to the exemplary embodiment of Fig. 7, the old ballast is conveyed in the working direction, therefore, according to Fig. 8, from right to left and above the assemblies shown in said Fig. 8 for a first screen device 400 which is constructed, in the present case, as multi-plane screens. In the sieving device are separated the grains with a larger particle size, for example 35 to 60, and grains with a smaller particle size, for example 35 to 20. 100% of the ballast transported are driven, depending on the quality of the old ballast , for example, 25 to 30% of screening (debris) residues, via a conveyor belt 402 in working direction A, out of the yard, in order to eliminate them. The material having a larger particle size (eg 70% of the remaining amount of the ballast) is initially transported to a clay disposal device 420 (also referred to as a clay and clay remover) and then from this device to the grinder 408. The corresponding belts are designated 404 and 406. In the case where the ballast is not dirty with clay or only with insignificant dirt, the ballast fraction with a larger particle size can be conveyed through a conveyor belt 405 (shown in Fig. 8 in dashed lines), passing next to the clay and mud eliminator 420, to the conveyor belt 406, and thus to the crusher 408. The ballast fraction with a smaller particle size after being treated in the 400 is conveyed through a conveyor belt 410, past the clay and mud eliminator 420 and the shredder 408, without being introduced therein. For this conveyor belt 410, the ballast treated in the grinding device 408 is also conducted, therefore, both fractions (the fraction of ballast with a later granulometry crushed later and the fraction of ballast with a smaller granulometry) are again collected. Clearance of a certain amount of waste (eg, in the present case, 5% of the amount of the ballast transported to the crusher 408) to the conveyor belt 402. The clay separated by the clay and clay eliminator 420 (in particular clay lumps) is delivered in the present embodiment to the debris conveyor 402. 34

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The pooled fractions are then passed through a conveyor belt 411 to a rear sieving device 412 in order to remove fine particles through the sieving process. Speaking of fine particles, it is particularly concerned with components created by subsequent grinding, in particular shards.

In the rear sieving device 412, it is preferably sieves having multiple planes of two different meshes. The remaining fractions remaining on the sieves are collected after sieving, so that they are generally conveyed together, via a transport device 414, to a washing device 426. The use of two sieves, in this case too, than two sieving floors in the rear sieving device 412, enables a greater ability to treat the sieving device. It is possible both in the case of the sieving device 412 and in the sieving device 400 to provide more sieving floors depending on the requirements of the capacity. For example, the upper sieve floor of the screening device 400, shown as an example, could be replaced by removing the material with a particle size of 35 to 60 by two sieves for material of the particle size of 60 to 55 and 55 to 35 , the sieved fractions of which are then assembled to form the fraction of ballast to be conveyed, as a rule, to the clay and slag remover 420, and to the grinding device 408. Correspondingly, the foregoing applies also to the bottom sieve floor which, in the case of the present example, removes the material having a particle size of 35 to 20. The grains with a smaller particle size fall through the upper sieve onto a lower fixed sieve until they reach the lower sieve by means from which the rubbish to be removed falls. In the case of the sieving device 412, the sieving waste (debris) is also transported through the conveyor belt 402 in the working direction A.

As has already been mentioned, the remaining ballast fraction after having traveled the screening device 212 is generally conveyed to the lavage device 426 in order to move away the thin and very fine components of the ballast by the washing process, and thus 35 ΕΡ 1 249 537 / PT provide a ballast with a quality almost equivalent to the quality of a new ballast. Further washing assemblies may be added to the lavage device 426.

It may be envisaged that in the case of an old good ballast (in particular the old clean ballast), the corresponding ballast fraction to be carried by the conveyor belts of the bypass line (shown in Fig. 8 in dashed form) pass next to the clay and deodorizer 420, or / and to the side of the grinder 408, or / and to the side of the rear screening device 412, or / and to the side of the washing device 426, without entering therein. The treatment arrangement of the ballast shown in Fig. 8 can consequently be adjusted as best as possible to the respective soil and ballast conditions, and optimum adaptation to different work situations is also possible, for example, to improve the platform on the one hand, and the renewal of the ballast bed.

The advantages of the arrangement shown in Fig. 8 consist in particular of the higher capacity of the clay and clay remover 420 and the crusher 408, because only ballast fractions with a larger particle size are transported thereto. Only this fraction of ballast needs, in the usual case, to be crushed later. As a result of the fact that the clay is generally wound in the sieve 400 forming lumps of clay, in a size approximately similar to the larger ballast fraction, the clay will be contained, in particular, in the ballast fraction with a larger granulometry, so that it is sufficient, in principle, only to subject this ballast fraction to a disposal treatment.

Because the grinder 408 and the clay and clay eliminator 420 receive only the larger fraction, these devices can be better regulated for optimum result in the elimination of clay or grinding, which results in less wear and thus a longer service life. In short, more ballast quantity can be treated per unit of time. Also, the ballast losses are reduced because the ballast fraction with a smaller particle size is not crushed, and therefore no losses occur in this particle size. Fig. 9 shows schematically in Figs. 9a) and 9b) further embodiments of the track treatment train. The reference numeral 440 designates a wagon of fresh water. Reference numeral 442 designates a drive wagon. Reference numeral 444 designates a water treatment wagon. Reference numeral 446 designates a sieving and washing wagon. The reference numeral 448 designates an anti-turbulence device that can be moved on rails and the reference numeral 450 designates a prior screening device which may be arranged in a wagon of its own, but the two devices may nevertheless be installed in a common wagon. Reference numeral 452 designates a PSS lifting and placing machine. The reference numeral 454 designates a filler which may also belong to the device 452. The reference numeral 456 designates a drive module. Reference numeral 458 designates a distribution wagon which receives the new materials.

By the arrangement of the different components of the track treatment train shown in the figure and in relation to the operating direction A, the path of the conveyor belts which drive the materials and the fractions of different materials results. The lifted old ballast is conveyed in working direction A initially to the sieving and washing device 450 and then through an anti-turbulence device 448 to the sieving and washing device 446. The treated ballast is then conveyed oppositely to the working direction of the ballast placement site in the area of the device 452.

A difference between the two ballast handling trains of Figs. 9a) and 9b) consists of the arrangement of the fresh water car 440. According to Fig. 9a), the fresh water 440 is transported to the washing car 446 through a fresh water line 460 and, more precisely, in opposed to working direction A. The dirty water is drawn in the working direction A to the working treatment wagon 444 through a conduit 462. The purified used water is conveyed through a conduit 464 to the place of placing material PSS, or to the placement device 370 of the PSS material in the area of the module 452 in order to moisten the said PSS material if necessary. In addition, the purified spent water may be transported to the lavage module 446 through a conduit 465 which derives from the conduit 464 to replace the fresh water. It may be provided, for example, that the ballast to be washed passes through several series of nozzles which first project jets of used water, and then by multiple series of nozzles projecting fresh water jets, for example by three series of nozzles of used water, and then by three sets of fresh water nozzles. By means of the water used, in a sense a " prior washing " and through the fresh water to some extent the main wash. The water used may be transported from the water treatment module 444 via a conduit 466 to the module 452 in order to be irrigated on the old non-lifted ballast, that is, on the ballast bed, to prevent or reduce emissions in the survey.

The wetted residues, in particular the sludge, are transported in the working direction A by means of transport devices, if any conduits 468, 469 and 470 from modules 444 and 446, to be disposed of along with other residues.

According to Fig. 9a), the fresh water carriage 440 is arranged, in the working direction A, in front of the drive carriage 442, so that the fresh water supply can be increased from the side of transport of waste material (disposal side). According to Fig. 9b), the fresh water carriage 440 is disposed on the supply side of the new material, so that the supply of the wagon can be accomplished with fresh water from this side. In this arrangement of the fresh water carriage, the fresh water is transported through the conduit 460 ', in the working direction A, to the washing module 446, it being shown in Fig. 9b) also the possibility of a fresh water supply of the module 452 from the conduit 460 ', in order to moisten the PSS material. 10 shows, exemplarily, two embodiments of the water treatment wagon 444 relative to the arrangement of two inclined clarifying devices 38

500 / 500b. In accordance with the rail convoy configuration shown in Fig. 9, the dirty water for the inclined conveyor devices 500a and 500b, in which a flocculating medium is introduced before of the inlet into the clarifying devices, for example through a volumetric metering device 502 integrated in the duct system 462. The dirty water with the flocculation medium enters the tubes extending slopingly in the water tank of the respective inclined clarifying device . In the tubes schematically shown in Fig. 10, the particles of dirt are flocculated. The flocculated material is sedimented on the bottom or on a conveyor device 504a or 504b therein and is then distributed from an outlet opening 506a or 506b, for example, by means of an inlet funnel 508a or 508b or 508 of a pump not shown in Fig. 10, suitable for pumping mud and the like. The flocculated material is then transported through a conduit 468 in working direction A in order to be eliminated. The treated water is withdrawn from the clarifying devices inclined to an upper zone of the water reservoir and transported through conduits 464, 466 oppositely to the working direction A in order to be reused. 11 shows an alternative arrangement of the components 400, 420, 408, 412, and 426 relative to working direction A, that is, in correspondence with the embodiment of the track treatment train according to Fig. 9. The remainder corresponds to the embodiment of Fig. 11 and to the embodiment of Fig. 8.

A train having, for example, a water-treatment wagon 444, will preferably travel in the road treatment continuously in the working direction A. As a result of a slope that changes along the line transverse stirring motions may be caused in the water contained in the water treatment assemblies which may disrupt the water treatment. It is also possible that longitudinal stirring movements of the water caused by the change in the unevenness or by an elevation along the line of the track may also lead to disturbances. Another possibility is to use water treatment assemblies which have to be arranged in a predefined position relative to the horizontal plane in order to function properly. Fig. 12 schematically shows a possibility of how automatic level correction can be achieved, for example in the transverse direction, in correspondence with a possible unevenness. There is shown a wagon 550 equipped with a rotatable platform 556 in the transverse direction by means of hydraulic servo-controlled cylinders 552 and 554. A corresponding pivotable bearing is symbolically represented by reference numeral 558. The wagon has an arrangement of sensors verifying the position of the platform 556 relative to a nominal horizontal position. Based on the measurement results of the sensor arrangement, the hydraulic servo cylinders 552 and 554 are loaded with hydraulic oil in such a way that the platform 556 is held in a horizontal position so that the assemblies on the platform, in particular the assemblies (eg inclined clarifying devices), previously mentioned, are secured in a horizontal position. It is also possible to provide corresponding compensation in the longitudinal direction of the rail.

On the basis of the distance between the 1,435 m rails, a maximum compensation requirement of approximately 200 mm is obtained, in accordance with the conditions of the Federal Republic of Germany, in accordance with the maximum gradient of the track. Fig. 13 shows a water treatment wagon 444 constructed according to the principle of Fig. 12, equipped with at least one water treatment assembly 500 that can be rotated by means of platform 556 in the transverse direction. The feed of dirty water and, if required, the transport of a flocculating medium, is preferably carried out on top of the water treatment plant 500 itself, for example in the zone 570. Fig. 13a shows a steep state. The platform 556 is in a horizontal position parallel to a bottom or chassis 572 of the wagon. Fig. 13b shows an uneven state. The bottom, or chassis 572 of the wagon, is 40

And therefore in a position inclined to a horizontal plane, except the platform 556 which remains in its nominal position.

According to one aspect of the invention, there is proposed, inter alia, a track treatment machine or a track treatment train for the renovation of the infrastructure and / or the ballast bed of a track section. Preferably, there is provided for recycling of the ballast lifted, possibly quite dirty, from existing routes. The track treatment machine, or the track treatment train, is preferably constructed in modules and may advantageously present a module " ballast washing device " and a " water treatment device " module, or a module " ballast lavage device with a water treatment device ". The water treatment device enables reuse of the water both inside the washing circuit and also in the work area of the track treatment machine. The track treatment train consisting of individual modules can be used both for the improvement of the infrastructure as well as for the cleaning of the track ballast in existing tracks. Infrastructure material and / or track ballast are removed from the track, preferably during the movement of the train, possibly by means of standardized lifting chains and transported by conveyor belts, in order to carry out the loading or the recycling of the individual modules, preferably in the working direction. The lifting module preferably allows a separate loading of the infrastructure material and the old ballast. Both fractions can be loaded separately and driven in suitable transport silo wagons for this job.

A further working module consists, for example, of a multi-plane sieve machine (tubular filter, mesh sieve) with the aid of which the ballast suitable for re-use can be separated in both the first and second stages of impurities and, simultaneously, classified in two granulometries. The screening residues are transported to the loaded and loaded stock. In addition, the work module features a crusher whose task is to subject the ballast stones at least from a predefined granulometry to a grinding treatment in order to perform sharp edges on the ballast grains (such as , for example in the new ballast), which is generally required. Preferably, only a fraction with a larger particle size but not a fraction with a smaller particle size is transported to the crusher so that the fraction with a smaller particle size is not destroyed in the crusher. The fraction with a smaller particle size can be transported back through a bypass conduit to the fraction subsequently comminuted.

In a further working module, the fraction resulting from a screening device is further treated, in particular, to remove by sieving the shattered or loose parts caused in the grinding process and thus to further improve the quality of the recycled ballast. The residual screening material may be led to the other wastes. The resulting ballast is usually transported to another working module which has a washing device. However, it is preferably provided that the ballast - in the case of insignificant dirt or / and subordinate ducts - is passed to the side of the ballast washing device instead of entering it, and can be led immediately to the ballast device. of the track-side treatment machine in order to be re-used. The ballast washing device enables the recycled ballast to have a high quality, even a new ballast quality, and which consequently meets the highest requirements of the technical conditions of delivery. The ballast lavage device may have one or multiple lavage screens in which the dirt adhering to the ballast which can not be separated by sieving is removed therefrom by means of high pressure nozzles. If there is only one sieve, at least one washing centrifuge may be advantageously connected upstream. Preferably, a clay and mud eliminator is provided which can be additionally connected, if necessary, in order to recycle also the ballast which is quite dirty of clay. 42

ΕΡ 1 249 537 / EN

A further working module is preferably provided which allows a treatment of the dirty water by the washing process in order to reduce the feed of fresh water. The soiled water is cleaned in a so-called clarifying device under the addition of a flocculating medium at least in such a way that it can be used together with the fresh water in the washing device. The already treated waste water can advantageously also be used for the wetting of the sand from the track platform, or for lifting the old ballast, without dust arising. The consumption of fresh water can be remarkably reduced by this mode of water reuse, for example from 80 to 90%. Due to the fact that water remains in the working circuit, there is no pollution of the environment. The debris (mud) can be transported through pumps to the remaining lifted material (debris), and the screen debris can be conducted out of the yard. The water treatment module may advantageously consist of two inclined clarifying devices. It is convenient to use two inclined clarifying devices of a smaller length instead of a single large length clarifying device, since the cleaning effect becomes smaller as the length of the inclined clarifying device increases. Moreover, it is advantageous in the event of a malfunction of one of the clarifying devices, for example in a failure of a slurry conveyor belt, to be able to continue working with the other clarifying device with less capacity. Also, the assembly of two shorter clarifying devices on a standard wagon is easier from the point of view of construction than the assembly of only a longer clarifying device.

The above mentioned modules can also be constructed as road modules for the recycling of demolition materials.

Lisbon,

Claims (43)

1. A process of renewal of the ballast bed, in which the ballast bed of a line is lifted, the old ballast being lifted, treated and the bed of the line rebuilt, using the treated old ballast, wherein the treatment of the raised old ballast is characterized by: - subjecting the old ballast to at least one fractionation treatment, by means of which at least a fraction of the ballast is drawn with a particle size with a smaller grain size and at least a fraction of ballast with granulometry with larger grain size, possibly by the separation of at least a fraction of waste; - subjecting the ballast fraction with grain size to at least a grinding treatment to recover the live edges of the ballast, possibly with the separation of a fraction of waste; - to assemble the ballast fraction with grain size larger grain size, subject to a treatment of crushing of the fraction, with the fraction of ballast with granulometry with smaller grain size, not subject to a crushing treatment, forming at least a fraction with granulometry with larger and smaller grain sizes, and - to make the ballast fraction with granulometry available with larger and smaller grain sizes, such as treated old ballast. Process according to claim 1, characterized in that the process further comprises the following: subjecting the ballast fraction of a fraction with grain size granulometry to at least one washing treatment. Process according to claim 1 or 2, characterized in that the fraction of ballast packed with particle size distribution with larger and smaller grain sizes is subjected to a separation treatment to separate at least a fraction of the residues. ΕΡ 1 249 537 / EN 2/9 Process according to one of Claims 2 and 3, characterized in that the fraction of ballast packed with particle sizes with larger and smaller grain sizes is subjected to a washing treatment, after the separation treatment. Process according to one of Claims 1 and 4, in any case according to claim 2, characterized in that the fraction of the ballast combined passes, in the course of the washing treatment, initially by a first washing arrangement (322), in which the collected ballast fraction is exposed to the washing water under the action of a centrifugal force, or to a high pressure jet of washing water, and thereafter said ballast fraction passes through a second arrangement of (326) in which the pooled ballast fraction is exposed to high pressure washing water jets in a washing screen. Process according to one of Claims 1 and 4, in any case according to Claim 2, characterized in that the fraction of ballast collected passes, in the course of the washing treatment, by a first washing arrangement (322) in the which fraction of ballast pool is exposed to the wash water under the action of a centrifugal force, or to a projection of high pressure wash water jets. Method according to one of Claims 5 or 6, characterized in that the fraction of ballast collected in the washing arrangement (322), or in the first washing arrangement (322), falls through a spray zone of water jets washing process, in which high pressure wash water jets, preferably, rotating jets act on the assembled ballast fraction. A method according to claim 6, characterized in that the high pressure washing water jets are projected by means of at least one nozzle arrangement, and preferably there is arranged a rotary arrangement of nozzles underneath of the projection zone of the high pressure wash water jets, which directs the upstream water jets. ΕΡ 1 249 537 / EN 3/9 Method according to one of Claims 1 and 4, in any case according to claim 2, characterized in that the fraction of ballast collected passes, in the course of the washing treatment, through a washing arrangement (322; in which the ballast fraction is exposed in a washing screen to high pressure wash water jets. A method as claimed in one of claims 5, 79, characterized in that the washing screen is moved in order to transport and turn the grains of the assembled ballast fraction, and the high pressure washing water jets are directed both from above as well as from below, to the fraction of ballast existing in the sieve. Process according to one of Claims 1 to 10, characterized in that the fraction with ballast granulometry with larger grain size, before the grinding treatment, or the fraction of ballast packed with granulometry with larger or smaller grain sizes , before the washing treatment, or / and the old ballast, prior to the fractionation treatment, are subjected to a clay elimination treatment. A method according to claim 11, characterized in that at least one toothed cylinder is used during the course of the clay elimination treatment to separate the clay lumps from the particle size fraction with larger and smaller grain sizes, or / and the fraction of ballast collected, or / and the old ballast. Method according to one of Claims 1 to 12, characterized in that the old ballast is wetted by spraying water before and / or during lifting. Method according to one of Claims 12 or 13, characterized in that the treatment of eliminating clay and / or spraying the old ballast with water is carried out only if necessary in the context of an overall process which provides for these steps. Method according to one of Claims 1 to 14, characterized in that the process serves to provide ballast-laying material to a yard, arranged along a line (hereinafter referred to as a shipyard). line), and the old ballast and the ballast fractions are transported along this line. A method according to claim 15, characterized in that the railway line yard is a railroad yard. A method according to claim 16, characterized in that it is carried out using a track treatment train, which travels on the rails and has devices for carrying out the process steps. Method according to one of Claims 1 to 17, characterized in that the fractionation treatment and / or the separation treatment is a screening treatment which is carried out by means of at least one two-plane screen device. Process according to one of Claims 1 to 18, characterized in that it comprises the treatment of water, if any, washing water, which is used in the course of the process. A method according to claim 19, characterized in that at least one inclined clarifying device is able to be advantageously used in the treatment of water in the course of the treatment of water, which has pipes, extending inclined from above to down into a water reservoir and into which the soiled water is conveyed in admixture with a flocculating agent, the flocculated material being discharged from the bottom zone of the water reservoir and the treated water being withdrawn from an upper zone of the reservoir. water tank. Method according to one of Claims 18 or 19, characterized in that the at least one water treatment unit, if necessary the inclined clarifying device, is placed in a nominal horizontal position or maintained in this same nominal horizontal position for the realization of water treatment. ΕΡ 1 249 537 / EN 5/9 A method according to claim 21, characterized in that the water treatment plant is part of a railway wagon or a road vehicle. A method according to claim 22, characterized in that an overlap in a momentary track position of the railway wagon is thus compensated by adjusting the water treatment assembly with respect to a wagon chassis, in such a way that it is achieved a nominal horizontal position to perform water treatment. Method according to one of Claims 22 or 23, characterized in that, in order to carry out the treatment of the water, by moving the water treatment assembly with respect to a wagon chassis in the nominal horizontal position, a compensation of the excess of of the track, momentarily existing at a current position of the wagon traveling on the track. Process according to one of Claims 1 to 24, in any case according to claim 15, characterized in that the wet residues of the washing treatment, or treatment of water, in particular sludge or flocculation material, are transported along the line in order to be eliminated together with the other wastes. Method according to one of Claims 1 to 25, characterized in that the water used in the washing treatment is used for the wetting of the raised material and / or laying material. A method according to one of claims 1 to 26 according to the invention, characterized in that the ballast bed is rebuilt with the further use of new ballast. Track handling train for carrying out the method according to one of Claims 1 to 27, comprising: - at least one ballast lifting device, movable on rails, for lifting the ballast bed of a track ΕΡ 1 - at least one ballast positioning device, movable on rails, for placing the ballast under the track, - at least one fractionation device (400), movable on rails, for which it can be the old ballast is transported and from which at least one ballast fraction with a grain size smaller size and at least one ballast fraction with a larger grain size granulometry and, where appropriate, , at least one waste fraction, - at least one rolling device (408), which can be moved on rails, to which the ballast fraction can be transported with a larger particle size of and from which at least a fraction of ballast is subjected to at least one milling treatment, as well as possibly at least a fraction of waste, the milling device is also designed to recover the sharp edges of the ballast , - at least one closed transport device (404, 405, 406, 410), by means of which the respective ballast fractions can be carried to or can be withdrawn from said devices, the ballast fraction having a granulometry with a smaller grain size and the fraction of ballast subjected to at least one grinding treatment are to be collected by means of the conveying device in order to obtain at least a ballast fraction with a grain size smaller with larger grain size . Track treatment train according to claim 28, comprising at least one washing device (322, 326, 350), movable on rails, wherein, on the train, the dirty ballast can be transported by means of at least one transporting arrangement for the washing device (322, 326 or 350), and the ballast subjected to at least one washing or wetting treatment can be withdrawn from the washing device. Track treatment train according to claim 28 or 29 comprising at least one rail removing mechanism (320), movable on rails, wherein, on the train, in particular, ballast containing clumps of clay, may be carried by means of at least one transport arrangement for the clay removal mechanism (320), and the ballast subjected to at least one of the following steps, a clay removal treatment can be withdrawn from said clay removal mechanism. Track treatment train according to one of Claims 28 to 30, characterized in that a rail displaceable separating device (412) to which the assembled ballast fraction can be conveyed, with a smaller and larger particle size (410) and from which at least a fraction of useful ballast and at least a fraction of waste can be withdrawn by means of the conveying device (414, 402). Track treatment train according to any one of claims 28 to 31, in any case according to claims 29 and 30, characterized in that the washing device (426), which is displaceable on rails, to which the wheel can be transported a dirty ballast by means of a conveying device (414) and from which at least one useful fraction washed by means of said conveying device, possibly to be distributed to the traversing device on rails, or a locating site, or / and characterized in that the clay removal device (420) which is connected to or can be connected between the fractionating device (400) and the grinding device (408), or upstream of the cutting device wash. Track treatment train according to claim 32, characterized in that the transport device (404, 405, 414) is designed to selectively transport the useful fraction of bulk material so as to pass beyond the device directly to the placing machine, or to the place of installation. Track treatment train according to one of claims 32 or 33, characterized in that the clay elimination device (320) has at least one toothed cylinder, which, if necessary, in cooperation with at least one elastic cylinder, may separate the clay lumps from the ballast fraction with a larger grain size granulometry, or the aggregated ballast fraction, or the old ballast. Track treatment train according to one of Claims 28 to 34, characterized in that the ballast wetting device for moistening the ballast of a ballast bed prior to being lifted by the ballast lifting machine (82b; 82a, 82b) , or / and intended to moisten the ballast lifted into the ballast lifting machine, or after leaving the machine. Track treatment train according to claim 35, characterized in that the ballast wetting device has at least one water spray arrangement. Track treatment train according to one of claims 28 and 36, in any case according to claim 29 and 35, characterized in that it comprises a water reservoir associated with the washing device (322, 326; 350) or / and to the ballast wetting device. Track treatment train according to one of claims 28 to 37, in any case according to claim 29, characterized in that it comprises a water treatment device associated with the washing device (322, 326; 350). Track treatment train according to one of claims 28 to 38, in any case according to claim 29, characterized in that the washing device has at least one first wash arrangement (322), in which the washing device can be exposed to the washing water under centrifugal force, or to a high pressure jet of washing water, or / and has at least one second lavage arrangement (326; 350 ) in which the pooled ballast fraction placed on a washing screen is exposed to high pressure wash water jets. ΕΡ 1 249 537 / E 9/9 Track treatment train according to claim 39, characterized in that the first washing arrangement (322) has a ballast drop section comprising a rotating zone in which the assembled ballast fraction can be exposed to multiple jets rotating high pressure wash water, in particular, to rotating jets. Track treatment train according to claim 40, characterized in that the first washing arrangement (322) has at least one rotatable arrangement of nozzles, wherein a rotatable arrangement of nozzles is preferably disposed below of the wash water jet zone and is suitable for directing upward the rotating high pressure wash water jets. Track treatment train according to one of Claims 39 to 41, characterized in that the washing screen can be moved to transport and turn the ballast grains, and that the high pressure washing water jets can be directed both from above and below for the fraction of ballast collected placed on the screen. Track treatment train according to one of Claims 28 to 42, characterized in that the transport device is designed to selectively drive the fraction of bulk material with the largest grain size granulometry beyond the grinding device (408 ), directly with the fraction of bulk material with the grain size smaller. Lisbon,