EP2694743A1 - Vorrichtung zur herstellung einer materialsäule im boden - Google Patents
Vorrichtung zur herstellung einer materialsäule im bodenInfo
- Publication number
- EP2694743A1 EP2694743A1 EP12721743.8A EP12721743A EP2694743A1 EP 2694743 A1 EP2694743 A1 EP 2694743A1 EP 12721743 A EP12721743 A EP 12721743A EP 2694743 A1 EP2694743 A1 EP 2694743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transport channel
- inlet
- tube
- pressure
- bulk material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
Definitions
- the present invention relates to an apparatus and a method for conveying bulk material, in particular bulk material for the production of columns of material in the ground, such as e.g. of gravel.
- the amount of filler material that can be stored in the silo tube is usually not sufficient to produce a complete column, so that material has to be replenished during the preparation of the column.
- a supply of the filling material via a funnel, which is arranged at an upper end of the silo tube. This funnel can be filled with filling material from buckets.
- FIG. 1 shows a vibrator arrangement with a deep vibrator 11, which is arranged at a lower end in the region of an outlet 12a of a silo tube 12.
- a funnel 13 At an upper end of the silo tube 12 is a funnel 13, can be refilled through the means of a bucket 14 filling material.
- the buckets can be filled with suitable vehicles, such as wheel loaders.
- wheel loaders There are construction sites where a wheel loader with FUllmaterial can not drive to the Rottler arrangement. This can be the case, for example, if the gravel columns are to be created in the slope or if gravel columns are to be created underwater.
- FIGS. 2 and 3 shows a detail from FIG.
- FIG. 2 again shows a vibrator arrangement with a deep vibrator, which is arranged at a lower end of a silo tube.
- the silo tube has at its upper end, instead of a filling funnel, a receiving tank (e) into which a transport hose (d) discharges.
- This hose (d) is connected with its end facing away from the receiving tank (e) to a blast tank (c) into which filling material from a filling funnel (a) can be introduced via a closure (b).
- filling material such as, for example, gravel
- filling material such as, for example, gravel
- a material lock can be provided between the receiving tank (e) and the silo tube, via which material from the receiving tank (e) can be conveyed into the silo tube.
- the gravel is filled into the funnel (a) and then introduced through the closure (b) into the blast tank (c). From there, the gravel is conveyed by means of compressed air, which is applied to the blast tank (c) via the transport hose (d) in the receiving tank (s).
- a connected to the blast tank compressor for generating the compressed air or an overpressure in the blast tank (c) is not shown in Figures 2 and 3.
- the transport hose may become clogged.
- Object of the present invention is therefore to provide a device for conveying bulk material in a transport hose available, in which the risk of clogging of the transport hose is prevented or at least reduced to provide a method for conveying bulk material and an improved Trottleran eleven.
- FIG. 4 shows an exemplary embodiment of a conveying device according to the invention.
- a simple storage tank 1 for example in the form of a funnel (with or without silo) is used in this conveyor.
- This storage tank 1 has at a lower end to a blower, which opens directly or via a Zumonirohr 2 at a tee in a transport channel 3, 4.
- This transport channel 3, 4 is charged by means of a compressor with compressed air, which is symbolized in Figure 4 by an arrow on the left of the tee.
- the compressor itself is not shown in FIG.
- the transport channel 3, 4 may consist of a rigid, tubular or of a flexible, tubular material.
- the transport tube includes a rigid portion 3 that extends from the pressure input on the compressor to behind the tee, and a flexible portion 4 that is connected to the rigid portion and that has a material outlet at an end remote from the rigid portion. This outlet empties, for example, not shown in a receiving tank RUttleran extract in Figure 4).
- Vibrator assembly may be any vibrator arrangement, in particular a vibrator arrangement with a arranged at a lower end of a Silorohrs deep vibrator, as shown for example in Figure 2.
- the rigid section 3 will be referred to below as a transport tube and the flexible section 4 is referred to below as a transport tube.
- bulk material such as gravel
- Such blockages usually announce themselves by a shortly before occurring increase in the air pressure in the flow. According to the invention, it is therefore provided to control the supply of material from the storage tank 1 in a pressure-dependent manner.
- a pressure sensor (not shown) in the transport channel 3, 4, which measures the pressure in the transport channel, and a metering device, which regulates the material supply depending on the measured pressure, provided.
- the regulation of the material supply or the amount of material depending on the measured pressure can be done in many ways:
- a two-step control is provided such that the
- Dosing device for a pressure below a pressure threshold promotes a first amount of material per unit time in the transport channel 3, 4 and for a pressure above the pressure threshold promotes a second amount of material per unit time in the transport channel 3, 4, wherein the second amount of material less than that first is. Also, a more complex control is possible, for example to the effect that the per unit of time in the transport channel 3, 4 funded amount of material for a given pressure range decreases steadily or gradually with increasing pressure.
- FIG. 5 shows an exemplary embodiment in which the metering device has an adjustable inlet aperture 5 between the storage tank 1 and the transport channel 3, 4.
- the position of this aperture 5 defines the cross section of a channel between the storage tank 1 and the transport channel 3,4 and therefore serves for metering the flow rate, the delivery rate is maximum when the panel 5 see the channel between the storage tank and the delivery channel 3, 4 completely, and minimal, in particular zero, is when the shutter completely closes this channel.
- This diaphragm 5 can, for example, be electrically driven by means of a motor or pneumatically. tcls a hydraulic cylinder are operated. An actuating unit for actuating the diaphragm 5 is not shown in FIG.
- the dosage of gravel promotion can also be done by means of a conveyor screw 6 shown in Figure 6, which is driven by a variable speed motor 7.
- the delivery rate or amount of material per unit time increases with this arrangement with increasing speed, and vice versa.
- the amount of material can thus be adjusted in this arrangement by adjusting the speed of the motor 7 depending on the measured pressure.
- the cross-section of the feed tube increases in the direction of the transport channel 3, 4, as shown in FIG.
- the direction of the transport channel further expectant supply pipe 2 prevents the material in the transport channel 3, 4 flows back up into the reservoir 1.
- a bulk material conveying apparatus comprising: a transport channel (3, 4) having a pressurized air inlet and a material outlet, and having an aterial inlet disposed between the airflow inlet and the material outlet; a storage tank (1) for a bulk material having an outlet connected to the material inlet; a metering device which is designed to regulate a quantity of bulk material flowing from the storage tank (1) into the transport channel (3, 4) as a function of a pressure in the transport channel (3, 4).
- Conveying apparatus wherein the metering device is adapted to reduce the amount of bulk material with increasing pressure in the transport channel (3, 4).
- Conveyor device according to claim 1 or 2, wherein the metering device comprises a between the storage tank (1) and the transport channel (3, 4) arranged aperture (5) which is adapted to a cross section of a channel between the storage tank (1). and the transport channel (3, 4) depending on the pressure.
- Conveying device according to claim 3, wherein the diaphragm (5) is driven pneumatically or by motor.
- Conveying apparatus according to claim 1 or 2, wherein the metering device has a screw conveyor (6) which is adapted to convey bulk material from the storage tank (L) in the transport channel (3, 4).
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110006735 DE102011006735A1 (de) | 2011-04-04 | 2011-04-04 | Vorrichtung und Verfahren zur Förderung von Schüttgut |
PCT/DE2012/200021 WO2012136207A1 (de) | 2011-04-04 | 2012-04-04 | Vorrichtung zur herstellung einer materialsäule im boden |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2694743A1 true EP2694743A1 (de) | 2014-02-12 |
Family
ID=46124263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12721743.8A Withdrawn EP2694743A1 (de) | 2011-04-04 | 2012-04-04 | Vorrichtung zur herstellung einer materialsäule im boden |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2694743A1 (de) |
DE (1) | DE102011006735A1 (de) |
WO (1) | WO2012136207A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2018132B1 (en) * | 2017-01-05 | 2018-07-25 | Dieseko Group B V | Method and equipment for compacting soil |
PL3911801T3 (pl) * | 2019-01-18 | 2024-02-19 | Keller Holding Gmbh | Układ wibratora do ulepszania gruntu budowlanego |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4039496A1 (de) * | 1990-12-11 | 1992-06-17 | Buehler Ag | Verfahren zur foerderung von schuettguetern und vorrichtung zur durchfuehrung des verfahrens |
IT1246612B (it) * | 1991-03-08 | 1994-11-24 | Sicapi Italiana Spa | Sistema ed impianto per consolidare colonne di terreno mediante la immissione forzata di elementi inerti anche granulari, principalmente sabbia o ghiaino, ed agenti consolidanti a secco. |
DE19707687C1 (de) * | 1997-02-26 | 1998-10-15 | Wilhelm Dr Degen | Vorrichtung zum Herstellen von Materialsäulen im Boden |
US8079780B2 (en) * | 2005-05-20 | 2011-12-20 | Geopier Foundation Company, Inc. | Slotted mandrel for lateral displacement pier and method of use |
EP2258903A1 (de) * | 2009-06-02 | 2010-12-08 | Keller Holding gmbh | Verfahren und Anlage zum Herstellen von Rüttelstopfsäulen auf dem Grund von Gewässern |
-
2011
- 2011-04-04 DE DE201110006735 patent/DE102011006735A1/de not_active Ceased
-
2012
- 2012-04-04 WO PCT/DE2012/200021 patent/WO2012136207A1/de active Application Filing
- 2012-04-04 EP EP12721743.8A patent/EP2694743A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2012136207A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012136207A1 (de) | 2012-10-11 |
DE102011006735A1 (de) | 2012-10-04 |
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