WO2000047831A1 - Suction dredge - Google Patents
Suction dredge Download PDFInfo
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- WO2000047831A1 WO2000047831A1 PCT/DE1999/002304 DE9902304W WO0047831A1 WO 2000047831 A1 WO2000047831 A1 WO 2000047831A1 DE 9902304 W DE9902304 W DE 9902304W WO 0047831 A1 WO0047831 A1 WO 0047831A1
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- suction
- air
- dredger according
- fine filter
- flow
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8816—Mobile land installations
- E02F3/8825—Mobile land installations wherein at least a part of the soil-shifting equipment is mounted on a dipper-arm, backhoes or the like
Definitions
- the invention relates to a suction dredger based on the thin-stream conveying principle. These vehicles are primarily used in inner-city civil engineering in the area of underground supply lines.
- suction excavators are characterized by:
- a radial suction fan which is used to generate the necessary suction air flow
- a pneumatic suction hose with an integrated suction crown for receiving the suction material - a collection container for temporarily storing the suction material
- a filter unit arranged between the collecting container and the suction fan.
- the inner-city area is increasingly characterized by an increasing number of buried supply lines.
- modern communication lines are very valuable, but also very sensitive.
- civil engineering companies are required to use damage-free excavation methods (manual work) on the part of the client.
- This manual work is extremely ineffective and very expensive due to the high proportion of labor costs.
- suction dredgers have been increasingly used for these civil engineering works in recent years.
- a vacuum is generated here by a blower, which in turn leads to an enormous air throughput of up to 25,000 cbm / h.
- Another problem area is the relatively large heat development in the machine house, which is mainly caused by large hydraulic power losses. This problem is currently being countered with complex oil / air cooling systems.
- the invention is therefore based on the object of creating a suction excavator of the type described at the outset, which ensures a substantially higher pre-filtering, which leads to a substantially higher drying of the residual particles due to the air guidance and which creates the possibility of effectively removing the residual dust retained in the fine filter and quickly detach and dispose of. Furthermore, the invention is intended to ensure effective, cost-effective and energy-efficient cooling of the machine room.
- the suction air "loaded” with material reaches the collecting chamber (3) via the suction hose (2).
- gravity separation of the larger particles (11) takes place.
- Lighter particles are entrained with the air stream and reach the separation chambers (4 ).
- these separation chambers (4) the air is redirected several times through 180 °.
- these deflection points (14) are not near the bottom, but rather near the center of these separation chambers (4). This has the significant advantage that a relatively large separation space (4a) is created below these deflection points (14), which is no longer touched by the air flow. Once separated, the particles cannot be carried away by the air flow.
- Another essential feature for increasing the excretion rate is a speed increase (5) of the air flow installed shortly before the deflection point (14).
- This increase in speed (5) gives the particles in the suction air a higher kinetic energy, which in turn leads to greater inertia and thus to a higher excretion rate.
- this speed increase (5) takes place by means of a cross-sectional tapering installed on the deflection side of the suction air flow, which does not occur abruptly but steadily.
- the particles in the air flow not only experience an increase in energy, but also an impulse which acts counter to the direction of flow of the deflection point (14) and which decisively increases the separation rate.
- separation chambers (4) are connected several times in succession and ensure that all essential components are separated from the suction air. In order to achieve the greatest possible drying effect of the particles in the suction air, long routes were chosen for the air flow.
- the first separation chamber (4) is located in the rear part of the tilting container, the others in the front part, directly in front of the ultra-fine filter unit (7).
- a preferred embodiment is characterized in that two separation chambers (4) are installed, one in the rear part and one in the front part of the tilting container, which are connected via flow channels (6) in the cover (12). These long flow paths cause strong drying of the compassionate particles and prevent incrustation of the fine filter (7).
- This ultra-fine filter (7) preferably consists of filter cartridges which are arranged vertically.
- the last partition (8) is made air-permeable in an advantageous embodiment of the invention. This embodiment brings about a substantial increase in the inflow area and thus lower flow velocities, which have a strong effect on better cleaning behavior of these filter cartridges.
- the particles detached from the ultra-fine filter (7) by the automatic compressed air cleaning system (9) fall to the bottom of the ultra-fine filter unit (7).
- the problem of cooling the machine room (13) is solved in an advantageous embodiment of the invention by using the so-called Venturi effect in terms of energy very cheaply.
- the suction air flow leaves the blower (1) on the pressure side at a very high speed.
- a tubular air supply (10) open to the machine room (13) is created at an acute angle.
- the open part ends in the immediate vicinity of the largest heat source in the machine room (13).
- the very fast flowing air, which leaves the blower (1) creates a lower pressure in the air supply (10) at an acute angle. pressure, which in turn leads to the extraction of warm air from the machine room (13).
- a non-return flap (10a) prevents the air from entering the machine room (13).
Abstract
The invention relates to a suction dredge provided according to the thin stream delivery principle. The inventive suction dredge comprises a radial extractor fan (1) which serves to generate the required suction air stream, comprises a pneumatic suction hose (2) with an integrated suction crown for accommodating the suction material (11), is provided with a collection container (3) for intermediately storing the suction material (11), and has a filter unit which is arranged between the collection container and the extractor fan. In order to keep the load placed on the filter at a minimum, separating chambers (4) are installed between the collection container (3) and the fine filter (7). All essential components are separated from the air stream by virtue of the special geometric shape of these separating chambers (4). The air deflecting positions (14) are located near the middle of the separating chambers (4). An additional increase in energy of the particles in the air stream increases the precipitation rate again immediately in front of the air deflecting position (14). The fine filter (7) can be flown through not only in a vertical manner, but also horizontally. This results in substantially lower rising speeds which vastly improves the dedusting behavior. All particles separated from the air stream are completely disposed of during a dumping process.
Description
Beschreibung description
SaugbaggerSuction dredger
Die Erfindung betrifft einen Saugbagger nach dem Dünnstromförderprinzip. Diese Fahrzeuge werden vorrangig im innerstädtischen Tiefbau im Bereich von erdverlegten Versorgungsleitungen eingesetzt.The invention relates to a suction dredger based on the thin-stream conveying principle. These vehicles are primarily used in inner-city civil engineering in the area of underground supply lines.
Das angewendete Saugprinzip gewährleistet einen schadenfreien Aushub aller Medien bis zu einer Korngröße, die dem Saugschlauchdurchmesser entspricht (250mm Standardfall). Diese Saugbagger sind gekennzeichnet durch:The applied suction principle ensures damage-free excavation of all media up to a grain size that corresponds to the suction hose diameter (250mm standard case). These suction excavators are characterized by:
- ein Radial-Sauggebläse, das zur Erzeugung des notwendigen Saugluftstroms dient,a radial suction fan, which is used to generate the necessary suction air flow,
- einen pneumatischen Saugschlauch mit integrierter Saugkrone zum Aufnehmen des Sauggutes, - einen Sammelbehälter zum Zwischenspeichern des Sauggutes,- a pneumatic suction hose with an integrated suction crown for receiving the suction material, - a collection container for temporarily storing the suction material,
- einer zwischen Sammelbehälter und Sauggebläse angeordneten Filtereinheit.- A filter unit arranged between the collecting container and the suction fan.
Ein derartiger Saugbagger ist aus den PatentenSuch a suction dredger is from the patents
- Abstractsb of Japan, Vol. 8 Number (M-288) (1513), April 9, 1984- Abstractsb of Japan, Vol. 8 Number (M-288) (1513), April 9, 1984
- EP 0 368 129 Bl- EP 0 368 129 sheets
- EP 0 613 983 Bl- EP 0 613 983 sheets
bekannt.known.
Der innerstädtische Bereich ist im zunehmenden Maße gekennzeichnet von einer immer größerwerdenden Anzahl von erdverlegten Versorgungsleitungen. Hinzu
kommt, daß moderne Kommunikationsleitungen sehr wertintensiv, aber auch sehr empfindlich, sind. Aus diesem Grund werden den Tiefbauunternehmen von Seiten der Auftraggeber schadenfreie Aushubmethoden (Handarbeit) vorgeschrieben. Diese Handarbeit ist äußerst uneffektiv und durch den hohen Lohnkostenanteil sehr teuer. Arbeiten die Bauunternehmen entgegen den Vorschriften im Bereich der Versorgungssysteme mit Hydraulikbaggern, ist das Beschädigungsrisiko sehr groß. Deshalb werden in den letzten Jahren verstärkt für diese Tiefbauarbeiten sogenannte Saugbagger eingesetzt. Hier wird durch ein Gebläse ein Unterdruck erzeugt, der wiederum zu einem enormen Luftdurchsatz von derzeit bis zu 25.000 cbm/h führt. Bei diesen Saugsystemen wird das sogenannte DünnstromfÖrderprinzip angewandt, d.h. die Menge des Sauggutes ist im Verhältnis zur Menge des notwendigen Transportmediums Luft sehr gering. Ausschlaggebend für diese Systeme ist nicht die Druckdifferenz, sondern die Tragfähigkeit schnell fließender Luft. Diese sehr großen, schnell fließenden Luftmengen komplizieren allerdings die Ausscheidung der gesaugten Materialien aus dem Luftstrom. Aus oben aufgeführten Patentschriften sind Filteranordnungen verschiedenster Art bekannt. Vorfilter in Form von Strömungskanälen wie aus EP 0 613 983 Bl haben sich in der Praxis nicht gut bewährt. Durch die Art der Luftführung, die Lage der Umlenkstellen sowie die Kürze der Luftwege werden die nachgeschalteten Feinstfilter so stark belastet, daß selbst mit automatischen Reinigungsanlagen kein kontinuierlicher Saugbetrieb aufrechterhalten werden kann.The inner-city area is increasingly characterized by an increasing number of buried supply lines. In addition comes that modern communication lines are very valuable, but also very sensitive. For this reason, civil engineering companies are required to use damage-free excavation methods (manual work) on the part of the client. This manual work is extremely ineffective and very expensive due to the high proportion of labor costs. If the construction companies work with hydraulic excavators contrary to the regulations in the area of the supply systems, the risk of damage is very high. That is why so-called suction dredgers have been increasingly used for these civil engineering works in recent years. A vacuum is generated here by a blower, which in turn leads to an enormous air throughput of up to 25,000 cbm / h. The so-called thin-stream conveying principle is used in these suction systems, ie the amount of the suction material is very small in relation to the amount of the necessary transport medium air. The decisive factor for these systems is not the pressure difference, but the load-bearing capacity of rapidly flowing air. However, these very large, rapidly flowing amounts of air complicate the removal of the sucked materials from the air flow. Filter arrangements of various types are known from the patents listed above. Prefilters in the form of flow channels as from EP 0 613 983 B1 have not proven themselves well in practice. Due to the type of air duct, the position of the deflection points and the shortness of the air paths, the downstream fine filters are so heavily loaded that even with automatic cleaning systems no continuous suction operation can be maintained.
Die Luftumlenkstellen nahe dem Boden des Strömungskanals zu installieren, bewirken ein ständiges weiteres Mitreißen der dort anfänglich abgeschiedenen Partikel.Installing the air deflection points near the bottom of the flow channel causes the particles initially separated there to continue to be carried away.
Erdfeuchtes Saugmaterial verstärkt diese Problematik noch entscheidend, da diese feuchten Materialien erst effektiv von der Feinstfiltereinheit zurückgehalten werden. Durch die große Luftmenge erfolgt hier eine sehr schnelle Trocknung und Verkrus-
tung des sogenannten Filterkuchens, was wiederum zur Folge hat, daß die automatischen Druckluftreinigungsanlagen nicht zu einem Ablösen dieser Verkrustung in der Lage sind. in weiteres Problem, das die permanente Abreinigung der Feinstfilter bei diesen Saugsystemen beeinträchtigt, ist die in diesem Bereich vorherrschende hohe Anströmgeschwindigkeit dieser Filter durch den Saugluftstrom, die den entgegengesetzt wirkenden Druckluftstoß der Abreinigungsanlage zu großen Teilen kom- pensiert und wirkungslos werden läßt.Soil-absorbent material increases this problem significantly, since these moist materials are only effectively retained by the ultra-fine filter unit. Due to the large amount of air, drying and crusting take place very quickly. device of the so-called filter cake, which in turn has the consequence that the automatic compressed air cleaning systems are not able to remove this incrustation. Another problem that impairs the permanent cleaning of the ultrafine filters in these suction systems is the prevailing high flow velocity of these filters due to the suction air flow, which largely compensates for the counteracting air blast of the cleaning system and makes it ineffective.
Ein weiteres Problemfeld ist die relativ große Wärmeentwicklung im Maschinenhaus, die vor allem durch große hydraulische Verlustleistungen hervorgerufen wird. Dieser Problematik wird derzeit mit aufwendigen Öl/Luft-Kühl Systemen begegnet.Another problem area is the relatively large heat development in the machine house, which is mainly caused by large hydraulic power losses. This problem is currently being countered with complex oil / air cooling systems.
Der Erfindung liegt daher die Aufgabe zugrunde, einen Saugbagger nach eingangs beschriebener Art zu schaffen, der eine wesentlich höhere Vorausfilterung gewährleistet, der aufgrund der Luftführung zu einer wesentlich höheren Ab- trocknung der Restpartikel führt und der die Möglichkeit schafft, die im Feinstfilter zurückgehaltenen Reststäube effektiv und schnell abzulösen und zu entsorgen. Weiterhin soll die Erfindung eine effektive, kosten- und energiegünstige Kühlung des Maschinenraumes gewährleisten.The invention is therefore based on the object of creating a suction excavator of the type described at the outset, which ensures a substantially higher pre-filtering, which leads to a substantially higher drying of the residual particles due to the air guidance and which creates the possibility of effectively removing the residual dust retained in the fine filter and quickly detach and dispose of. Furthermore, the invention is intended to ensure effective, cost-effective and energy-efficient cooling of the machine room.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale der Ansprüche 1-9 gelöst und in Figur 1 dargestellt.This object is achieved according to the invention by the features of claims 1-9 and shown in FIG.
Die mit Material „beladene" Saugluft gelangt über den Saugschlauch (2) in den Sammelraum (3). Hier erfolgt aufgrund der eingetretenen Luftberuhigung eine Schwerkraftabscheidung der größeren Partikel (11). Leichtere Partikel werden mit dem Luftstrom mitgerissen und gelangen in die Abscheidekammern (4).
In diesen Abscheidekammern (4) wird die Luft mehrfach um 180° umgelenkt. Diese Umlenkstellen (14) befinden sich aber nicht nahe dem Boden, sondern nahe der Mitte dieser Abscheidekammern (4). Dies birgt den wesentlichen Vorteil, daß unterhalb dieser Umlenkstellen (14) ein relativ großer Abscheideraum (4a) entsteht, der nicht mehr vom Luftstrom berührt wird. Die einmal hier abgeschiedenen Partikel können vom Luftstrom nicht mehr mitgerissen werden.The suction air "loaded" with material reaches the collecting chamber (3) via the suction hose (2). Here, due to the settling of the air, gravity separation of the larger particles (11) takes place. Lighter particles are entrained with the air stream and reach the separation chambers (4 ). In these separation chambers (4), the air is redirected several times through 180 °. However, these deflection points (14) are not near the bottom, but rather near the center of these separation chambers (4). This has the significant advantage that a relatively large separation space (4a) is created below these deflection points (14), which is no longer touched by the air flow. Once separated, the particles cannot be carried away by the air flow.
Ein weiteres wesentliches Merkmal zur Erhöhung der Ausscheidungsrate ist eine kurz vor der Umlenkstelle (14) installierte Geschwindigkeitserhöhung (5) des Luftstromes. Diese Geschwindigkeitserhöhung (5) verleiht den in der Saugluft befindlichen Partikeln eine höhere kinetische Energie, welche wiederum zu einer größeren Trägheit und somit zu einer höheren Ausscheidungsrate führt. Diese Geschwindigkeitserhöhung (5) erfolgt in vorteilhafter Ausgestaltung der Erfindung durch eine an der Umlenkseite des Saugluftstromes installierte Querschnittsverjüngung, die nicht abrupt, sondern gleichmäßig erfolgt. Durch diese bevorzugte Ausführungsform erfahren die im Luftstrom befindlichen Partikel nicht nur eine Energieerhöhung, sondern auch einen zur Strömungsrichtung der Umlenkstelle (14) entgegengesetzt wirkenden Impuls, welcher die Ausscheiderate entscheidend erhöht.Another essential feature for increasing the excretion rate is a speed increase (5) of the air flow installed shortly before the deflection point (14). This increase in speed (5) gives the particles in the suction air a higher kinetic energy, which in turn leads to greater inertia and thus to a higher excretion rate. In an advantageous embodiment of the invention, this speed increase (5) takes place by means of a cross-sectional tapering installed on the deflection side of the suction air flow, which does not occur abruptly but steadily. As a result of this preferred embodiment, the particles in the air flow not only experience an increase in energy, but also an impulse which acts counter to the direction of flow of the deflection point (14) and which decisively increases the separation rate.
Diese Abscheidekammern (4) sind mehrfach hintereinander geschalten und gewährleisten ein Ausscheiden aller wesentlichen Bestandteile aus der Saugluft. Um einen möglichst großen Trocknungseffekt der in der Saugluft befindlichen Partikel zu erreichen, wurden für die Luftführung lange Wege gewählt.These separation chambers (4) are connected several times in succession and ensure that all essential components are separated from the suction air. In order to achieve the greatest possible drying effect of the particles in the suction air, long routes were chosen for the air flow.
In vorteilhafter Ausgestaltung der Erfindung ist vorgesehen, daß die erste Abscheidekammer (4) sich im hinteren Teil des Kippbehälters befindet, die weiteren im vorderen Teil, unmittelbar vor der Feinstfiltereinheit (7). Eine bevorzugte Ausführungsform zeichnet sich dadurch aus, daß zwei Abscheidekammern (4) installiert werden, eine im hinteren und eine im vorderen Teil des Kippbehälters,
die über Strömungskanäle (6) im Deckel (12) verbunden sind. Diese langen Strömungswege bewirken eine starke Abtrocknung der mitgefühlten Partikel und verhindern eine Verkrustung des Feinstfilters (7).In an advantageous embodiment of the invention, it is provided that the first separation chamber (4) is located in the rear part of the tilting container, the others in the front part, directly in front of the ultra-fine filter unit (7). A preferred embodiment is characterized in that two separation chambers (4) are installed, one in the rear part and one in the front part of the tilting container, which are connected via flow channels (6) in the cover (12). These long flow paths cause strong drying of the compassionate particles and prevent incrustation of the fine filter (7).
Feine Stäube werden aufgrund ihres geringen Gewichtes und der somit geringen Trägheit der mehrfachen Luftumlenkung folgen können und werden erst im Feinstfilter (7) aus dem Luftstrom ausgefiltert. Dieser Feinstfilter (7) besteht bevorzugterweise aus Filterpatronen, die vertikal angeordnet sind. Um die Anströmgeschwindigkeit dieser Filterpatronen möglichst gering zu halten, ist in vorteilhafter Ausgestaltung der Erfindung die letzte Trennwand (8) luftdurchlässig gestaltet. Diese Ausführungsform bewirkt eine wesentliche Vergrößerung der Anströmfläche und somit geringere Strömungsgeschwindigkeiten, welche sich stark auf ein besseres Abreinigungsverhalten dieser Filterpatronen auswirken. Die durch die automatische Druckluftreinigungsanlage (9) vom Feinstfilter (7) abgelösten Partikel fallen auf den Boden der Feinstfiltereinheit (7). Durch die Integration der Abscheidekammern (4) und des kompletten Feinstfilters (7) in den Kippbehälter wird in vorteilhafter Ausführung bei jedem Kippvorgang eine vollständige Entleerung nicht nur des Sammelraumes (3), sondern auch der Abscheidekammern (4) und des Feinstfilters (7) erreicht. Die Reinigungsaufwendungen werden drastisch reduziert.Fine dusts will be able to follow the multiple air deflections due to their low weight and thus low inertia and will only be filtered out of the air flow in the ultra-fine filter (7). This ultra-fine filter (7) preferably consists of filter cartridges which are arranged vertically. In order to keep the flow velocity of these filter cartridges as low as possible, the last partition (8) is made air-permeable in an advantageous embodiment of the invention. This embodiment brings about a substantial increase in the inflow area and thus lower flow velocities, which have a strong effect on better cleaning behavior of these filter cartridges. The particles detached from the ultra-fine filter (7) by the automatic compressed air cleaning system (9) fall to the bottom of the ultra-fine filter unit (7). By integrating the separating chambers (4) and the complete fine filter (7) in the tilting container, in an advantageous embodiment not only the collecting space (3) but also the separating chambers (4) and the fine filter (7) are completely emptied with each tilting process . Cleaning expenses are drastically reduced.
Das Problem der Kühlung des Maschinenraumes (13) wird in vorteilhafter Ausfüh- rung der Erfindung durch Nutzung des sogenannten Venturi-Effektes energetisch sehr günstig gelöst. Der Saugluftstrom verläßt das Gebläse (1) druckseitig mit sehr hoher Geschwindigkeit. In unmittelbarer Nähe des Luftaustrittes wird im spitzen Winkel eine rohrf rmige, zum Maschinenraum (13) offene Luftzuführung (10), geschaffen. Der offene Teil endet in unmittelbarer Nähe der größten Wärmequelle im Maschinenraum (13). Die sehr schnell fließende Luft, die das Gebläse (1) verläßt, erzeugt in der im spitzen Winkel angebrachten Luftzuführung (10) einen Unter-
druck, welcher wiederum zum Absaugen der Warmluft des Maschinenraumes (13) führt. Eine Rückschlagklappe (10a) verhindert ein nicht gewolltes Einströ- men der Gebläseluft in den Maschinenraum (13). Durch diese vorteilhafte Ausführung ist es möglich, ohne zusätzliche Energieaufwendungen einen ausreichend guten Kühleffekt im Maschinenraum (13) zu erzielen.
The problem of cooling the machine room (13) is solved in an advantageous embodiment of the invention by using the so-called Venturi effect in terms of energy very cheaply. The suction air flow leaves the blower (1) on the pressure side at a very high speed. In the immediate vicinity of the air outlet, a tubular air supply (10) open to the machine room (13) is created at an acute angle. The open part ends in the immediate vicinity of the largest heat source in the machine room (13). The very fast flowing air, which leaves the blower (1), creates a lower pressure in the air supply (10) at an acute angle. pressure, which in turn leads to the extraction of warm air from the machine room (13). A non-return flap (10a) prevents the air from entering the machine room (13). This advantageous embodiment makes it possible to achieve a sufficiently good cooling effect in the machine room (13) without additional energy expenditure.
BezugszeichenlisteReference list
1 Gebläse1 blower
2 Saugschlauch2 suction hose
3 Sammelraum3 gathering room
4 Abscheidekammer4 separation chamber
4a Abscheideraum4a separation room
5 Geschwindigkeitserhöhung5 speed increase
(Querschnittsreduzierung)(Cross-section reduction)
6 Strömungskanäle6 flow channels
7 Feinstfilter7 ultra-fine filters
8 letzte Trennwand8 last partition
9 Automatische Reinigung9 Automatic cleaning
10 Luftverbindung10 air connection
10a - Rückschlagklappe10a - check valve
11 größere Partikel11 larger particles
12 Deckel12 lids
13 Maschinenraum13 engine room
14 Luftumlenkstelle14 air deflection point
15 untere Trennwand
15 lower partition
Claims
1. Saugbagger nach dem Dünnstromförderprinzip, zum hauptsächlichen Einsatz beim Bodenaushub im Bereich von erdverlegten Versorgungssystemen mit1. Suction dredger according to the thin-stream conveying principle, for the main use in excavating soil in the area of buried supply systems with
- einem Radial-Sauggebläse zur Erzeugung des notwendigen Saugluftstromes,- a radial suction fan for generating the necessary suction air flow,
- einem pneumatischen Saugschlauch mit integrierter Saugkrone zum gezielten Aufnehmen des Sauggutes,- a pneumatic suction hose with an integrated suction crown for targeted absorption of the suction material,
- einem Kippbehälter, in dem der pneumatische Saugschlauch mündet, und in dem das Sauggut schwerkraftmäßig aus dem Luftstrom ausgeschieden wird,a tilting container in which the pneumatic suction hose opens and in which the suction material is separated from the air flow by gravity,
dadurch gekennzeichnet, daß sich die unteren Luftumlenkstellen (14) der Abscheidekammern (4) nahe der Mitte der Kammern befinden, wodurch unterhalb dieser Luftumlenkstellen (14) ein Abscheideraum (4a) entsteht, welcher nicht mehr von der Saugluft durchflössen wird und das einmal abgeschiedene Material nicht wieder mitgerissen werden kann und welcher durch Schrägstellen der unteren Trennwand (15) ein größtmögliches Volumen erreicht.characterized in that the lower air deflection points (14) of the separation chambers (4) are located near the center of the chambers, as a result of which a separation space (4a) is created below these air deflection points (14a), which is no longer flowed through by the suction air and the material once separated cannot be carried away again and which reaches the greatest possible volume by inclining the lower partition (15).
2. Saugbagger nach Anspruch 1,2. suction excavator according to claim 1,
dadurch gekennzeichnet, daß unmittelbar vor den unteren Luftumlenkstellen (14) der Abscheidekammern (4) eine gleichmäßige Geschwindigkeitserhöhung (5) durch eine Querschnitts- reduzierung über die gesamte Breite des Strömungskanals erfolgt. characterized in that a uniform increase in speed (5) takes place directly in front of the lower air deflection points (14) of the separation chambers (4) by reducing the cross-section across the entire width of the flow channel.
3. Saugbagger nach Anspruch 1 und 2,3. suction dredger according to claim 1 and 2,
dadurch gekennzeichnet, daß die Abscheidekammern (4) im hinteren und vorderen Teil des Kippbehälters angeordnet sind.characterized in that the separation chambers (4) are arranged in the rear and front part of the tilting container.
4. Saugbagger nach Anspruch 1,4. suction dredger according to claim 1,
dadurch gekennzeichnet, daß in den vorderen Teil des Kippbehälters die Feinstfiltereinheit (7), bestehend aus mehreren Filterpatronen, integriert ist.characterized in that the fine filter unit (7), consisting of several filter cartridges, is integrated in the front part of the tilting container.
5. Saugbagger nach Anspruch 1, 3 und 45. suction dredger according to claim 1, 3 and 4
dadurch gekennzeichnet, daß durch die Integration von Sammelraum (3), Abscheidekammern (4) und Feinstfiltereinheit (7) in den Kippbehälter bei jedem Kippvorgang eine vollständige Entleerung des gesamten abgelagerten Materials erreicht wird.characterized in that the integration of the collecting space (3), separation chambers (4) and ultra-fine filter unit (7) in the tilting container means that the entire deposited material is completely emptied with each tilting process.
6. Saugbagger nach Anspruch 1, 4 und 5,6. suction dredger according to claim 1, 4 and 5,
dadurch gekennzeichnet, daß die in Strömungsrichtung letzte Trennwand (8) vor dem Feinstfilter (7) luftdurchlässig gestaltet ist und somit eine Anströmung nicht nur vertikal, sondern auch horizontal erfolgt und dadurch die Anströmgeschwindigkeit wesentlich reduziert wird.characterized in that the last partition (8) in front of the fine filter (7) in the direction of flow is air-permeable and thus an inflow occurs not only vertically but also horizontally and the inflow speed is thereby considerably reduced.
7. Saugbagger nach Anspruch 1,7. suction dredger according to claim 1,
dadurch gekennzeichnet, daß zur Belüftung und Kühlung des Maschinenraumes (13) der Saugluftstrom genutzt wird. characterized in that the suction air flow is used for ventilation and cooling of the machine room (13).
8. Saugbagger nach Anspruch 1 und 7,8. suction dredger according to claim 1 and 7,
dadurch gekennzeichnet, daß die Maschinenraumbelüftung durch einen am Druckausgang des Gebläses (1) im spitzen Winkel zur Stömungsrichtung einmündende, zum Maschinenraum (13) hin offene Lüftungsverbindung (10) mit einer Rückschlagklappe (10a) erfolgt.characterized in that the machine room ventilation is provided by a ventilation connection (10) which opens at the pressure outlet of the blower (1) at an acute angle to the direction of flow and opens towards the machine room (13) with a non-return flap (10a).
9. Saugbagger nach Anspruch 1, 7 und 89. suction dredger according to claim 1, 7 and 8
dadurch gekennzeichnet, daß die freie Öffnung dieser offenen Luftverbindung (10) in unmittelbarer Nähe der größten Wärmequelle des Maschinenraumes (13) endet. characterized in that the free opening of this open air connection (10) ends in the immediate vicinity of the largest heat source of the machine room (13).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE59905688T DE59905688D1 (en) | 1999-02-12 | 1999-07-22 | dredger |
| AT99950437T ATE241050T1 (en) | 1999-02-12 | 1999-07-22 | SUCTION EXCAVATOR |
| EP99950437A EP1151165B1 (en) | 1999-02-12 | 1999-07-22 | Suction dredge |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29902562U DE29902562U1 (en) | 1999-02-12 | 1999-02-12 | Suction dredger |
| DE29902562.4 | 1999-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000047831A1 true WO2000047831A1 (en) | 2000-08-17 |
Family
ID=8069341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE1999/002304 WO2000047831A1 (en) | 1999-02-12 | 1999-07-22 | Suction dredge |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1151165B1 (en) |
| AT (1) | ATE241050T1 (en) |
| DE (2) | DE29902562U1 (en) |
| ES (1) | ES2200559T3 (en) |
| WO (1) | WO2000047831A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10752146B2 (en) | 2016-03-31 | 2020-08-25 | Rsp Gmbh | Vehicle with a tiltable material collecting container as well as an emptying module |
| US11142886B2 (en) | 2016-04-08 | 2021-10-12 | Rsp Gmbh | Method for controlling the movement of an articulated hose carrier of a suction excavator |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2003296C2 (en) * | 2009-07-27 | 2011-01-31 | Bekkerlagram Waalwijk B V | GROUND OPERATING DEVICE AND USE THEREOF. |
| DE102010060972A1 (en) | 2010-12-02 | 2012-06-06 | Zenner Ventilatoren Gmbh | Arrangement for driving suction fan in e.g. mobile suction excavator on truck, has main structure to transmit driving power from pulley to drive component, and clutch to perform operational variation in load by slippage balance |
| DE102010060971B4 (en) | 2010-12-02 | 2018-02-15 | Zenner Ventilatoren Gmbh | Fan cascade for a suction dredger |
| DE102016105850B4 (en) | 2016-03-31 | 2021-02-04 | Rsp Gmbh | Material collection container of a suction excavator |
| DE102017108731B4 (en) | 2017-04-24 | 2021-06-24 | Reschwitzer Saugbagger Produktions Gmbh | Suction excavator with swiveling filter unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141639A (en) * | 1983-02-02 | 1984-08-14 | Hakko Co Ltd | Vacuum discharger of soil and sand |
| US4578840A (en) * | 1984-06-04 | 1986-04-01 | General Resource Corp. | Mobile vacuum machine |
| EP0368129A1 (en) * | 1988-11-05 | 1990-05-16 | VMB VESTA MASCHINENBAU GMBH & CO. KG | Suction dredger |
| US5409512A (en) * | 1993-11-10 | 1995-04-25 | Commerical Sweeper Systems, Inc. | Air filtration system |
| US5425188A (en) * | 1993-02-27 | 1995-06-20 | Vmb Vesta Maschinenbau Gmbh Co. Kg | Suction excavator |
| DE29513107U1 (en) * | 1995-08-16 | 1996-01-25 | Muehlstaedter Alexander | Device for making head holes and trenches |
-
1999
- 1999-02-12 DE DE29902562U patent/DE29902562U1/en not_active Expired - Lifetime
- 1999-07-22 EP EP99950437A patent/EP1151165B1/en not_active Expired - Lifetime
- 1999-07-22 WO PCT/DE1999/002304 patent/WO2000047831A1/en active IP Right Grant
- 1999-07-22 AT AT99950437T patent/ATE241050T1/en not_active IP Right Cessation
- 1999-07-22 DE DE59905688T patent/DE59905688D1/en not_active Expired - Lifetime
- 1999-07-22 ES ES99950437T patent/ES2200559T3/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141639A (en) * | 1983-02-02 | 1984-08-14 | Hakko Co Ltd | Vacuum discharger of soil and sand |
| US4578840A (en) * | 1984-06-04 | 1986-04-01 | General Resource Corp. | Mobile vacuum machine |
| EP0368129A1 (en) * | 1988-11-05 | 1990-05-16 | VMB VESTA MASCHINENBAU GMBH & CO. KG | Suction dredger |
| US5425188A (en) * | 1993-02-27 | 1995-06-20 | Vmb Vesta Maschinenbau Gmbh Co. Kg | Suction excavator |
| US5409512A (en) * | 1993-11-10 | 1995-04-25 | Commerical Sweeper Systems, Inc. | Air filtration system |
| DE29513107U1 (en) * | 1995-08-16 | 1996-01-25 | Muehlstaedter Alexander | Device for making head holes and trenches |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 008, no. 270 (M - 344) 11 December 1984 (1984-12-11) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10752146B2 (en) | 2016-03-31 | 2020-08-25 | Rsp Gmbh | Vehicle with a tiltable material collecting container as well as an emptying module |
| US11142886B2 (en) | 2016-04-08 | 2021-10-12 | Rsp Gmbh | Method for controlling the movement of an articulated hose carrier of a suction excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE29902562U1 (en) | 1999-04-29 |
| DE59905688D1 (en) | 2003-06-26 |
| EP1151165A1 (en) | 2001-11-07 |
| ATE241050T1 (en) | 2003-06-15 |
| EP1151165B1 (en) | 2003-05-21 |
| ES2200559T3 (en) | 2004-03-01 |
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