WO2006040186A1 - Gravimetrische dosiervorrichtung für schüttgüter - Google Patents
Gravimetrische dosiervorrichtung für schüttgüter Download PDFInfo
- Publication number
- WO2006040186A1 WO2006040186A1 PCT/EP2005/011125 EP2005011125W WO2006040186A1 WO 2006040186 A1 WO2006040186 A1 WO 2006040186A1 EP 2005011125 W EP2005011125 W EP 2005011125W WO 2006040186 A1 WO2006040186 A1 WO 2006040186A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metering device
- conveying tools
- conveying
- tools
- zone
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
- G01G11/08—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge
- G01G11/083—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge of the weight-belt or weigh-auger type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
- G01G11/08—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge
Definitions
- the invention relates to a gravimetric metering device for bulk materials according to the preamble of claim 1.
- an apparatus for continuous gravimetric dosing of pourable Good which is passed via a feed opening in pockets of a rotatable about a vertical axis rotor and pneumatically discharged at a discharge opening in the direction of rotation of the rotor emptying opening ,
- the housing of the rotor is pivotally mounted about a substantially horizontal axis and connected to a remote from this axis force measuring device.
- the horizontal axis runs through the middle of elastic l
- the rotor is designed as a measuring plate which is subdivided into a plurality of sectors of equal size which are slightly vertically movable independently of each other.
- the respective force measuring device is arranged below the individual sectors and determines the mass desi located on each sector a good when passing by a sector.
- this metering device has a relatively high construction expenditure with a likewise relatively small discharge cross section.
- the invention has for its object to provide a gravimetric metering device with a particularly simple, compact design, large Austragsquerites for the bulk material and high accuracy.
- the decoupling of the conveying tools in at least one degree of freedom, in particular in the height or vertical direction results in a high measuring accuracy, since force shunts are kept away from the weighing platform.
- the construction cost is considerably simplified, since in principle only one load cell and associated evaluation is required.
- the respective instantaneous weight can be recorded both absolutely (by adding up the measured values of the force-measuring device) and relative to the conveying zone or charging station or the emptying station.
- the rotor can thus be regulated in terms of its peripheral speed in order to maintain a specific metering capacity at the discharge station. As a result, the measurement accuracy per unit time is maintained particularly reliable.
- FIG. 1 is a schematic section of an embodiment of the metering device
- FIG. 2 shows a plan view of the device according to FIG. 1 along the measuring stage plane
- FIG. Fig. 3 is a similar device as in Figure 2 in a modified embodiment.
- Fig. 4 shows a further embodiment of a conveying tool in an enlarged view.
- FIGS. 1 and 2 show an embodiment of a metering device 1 according to the invention with a horizontally rotating rotor 2, which is circulated over a weighing platform W with a load cell or force measuring device 20.
- the rotor 2 is driven by a motor 4 with adjustable or regulated speed.
- the driven shaft 5 is connected to a central Austragkegel 6 and has radially outwardly extending stirring arms 7 for activation.
- the metering device 1 is attached to a bunker 9 (indicated in dot-dash lines) or silo with a flange 9, so that no support frameworks or similar support structures are required.
- a needle valve 8 is provided, which can be inserted over a trough-shaped cover 10.
- This cover 10 extends approximately over half the circumference of the rotor 2 (in Fig. 1: here in the plane of the drawing, in Fig. 2 in the upper half), however, by the cutting path just above the rotor 2, the cover 10 is not visible , but only indicated by the reference arrow A. In essence, the weighing station W and the emptying station E are covered by the cover 10, while a conveying zone F remains free.
- This direct connection to the bunker arranged above forms an activation zone A of approximately 160 ° and a conveying zone F of approximately 200 ° separation angle (cf., also FIG , as indicated in Fig. 1 with the curved arrow F.
- a discharge station E in the form of an exit shaft is arranged stationarily, so that the rotor 2 is emptied before it again reaches the conveying zone F.
- the bulk material is conveyed with radially oriented conveying tools 3 on a discharge tray 12, which is continuously formed except for an opening at the emptying station E and a resilient mounting on the edge of the weighing platform W.
- the formation of a uniform bulk material strand within the rotor 2 is thereby improved by an outer and inner boundary 33 and 32 in annular form (see also Fig. 3 and 4).
- the outer, raised boundary 33 and possibly the inner boundary 32 can be connected to the respectively adjacent segment (see also FIG. 4) by means of chain links as coupling elements 14 or similar slightly yielding elements thus forming the bulk material withdrawn in the course of the orbital motion to form the bulk material strand.
- the rotor 2 in the embodiment consists of round segmentally divided conveying tools 3, which is driven in rotation by means of the shaft 5 (see Fig. 1).
- a force measuring device 20 is shown in FIG. 2 in bar form here, this can also be replaced by another embodiment of a force measuring device.
- the bulk material After being fed to the activation zone A and conveying zone F, the bulk material is conveyed in the direction of a buckling bridge or here a sector-shaped weighing platform W with load cell 20, which thus delivers a load-proportional measuring signal. If changes in the bulk material strand result due to different loading, this is detected by evaluation electronics.
- the substantially radially extending, mutually decoupled conveying tools 3 are preferably curved in the radial direction in the manner of a scoop (cf., Fig. 3) or angled or cranked, as shown in the plan view of Fig. 4.
- Corresponding to the measurement signal of the load cell 20 can be taken by the evaluation not shown for readjusting the bulk material immediately appropriate countermeasures, for example by increasing the speed (via the control of the engine 4) an increased bulk material discharge from the bunker in the conveyor zone F are made.
- This delivery zone F assumes (as shown in FIG. 2) about half of the rotor area, while the opposite half (in FIG.
- the upper half above the weighing platform W and the emptying station E and possibly an adjoining tare weighing section) is covered by the trough-like cover 10 at a distance. Over this, therefore, the activation zone A is formed, since there the rotating stirring arms 7 activate the bulk material and lead to the delivery zone F out.
- a bed height diaphragm 11 which rises in the circulation or conveying direction (see reference numeral 11 ') in order to limit or even to equalize the likewise rising bulk material strand.
- the rotor 2 runs along the conveying zone F and is loaded with bulk material as a result of the activation in the activation zone A and withdrawal movement from the bunker.
- the bulk material is thereby homogenized by means of the boundary 32/33 in width and by means of the diaphragms 11/11 'in height as a bulk material strand.
- the load cell 20 located below the sector-shaped weighing platform W detects the mass of the overflowing bulk material before it is dropped at the emptying station E. In this case, the bulk material passes after further rotation in the discharge area E forming discharge area (Fig. 2, right), in which the good is dropped by a circular opening in the discharge tray 12, possibly with blowout.
- the conveying tools 3 are decoupled from one another by joints 13 and coupling members 14, ie can move slightly apart from one another, in particular in the vertical direction in order not to load the weighing platform W.
- the joints 13 on the shaft 5 surrounding hub of the rotor 2 for example in the form of double wishbones (see top illustration in Fig. 4) are formed, as these are known from the vehicle technology as axle suspension.
- translational displacement joints on the central region of each conveying tool 3 are possible, with rubber-metal elements as elastostatic joints are conceivable.
- the respective rotational angle position or angular velocity of the rotor 2 is determined by known means, for example by associated sensors (not shown). This makes it possible to determine the time or angle of rotation in which the rotor 2 is in the position shown in FIG. 2 (and in each further rotated position). At this point in time, the respectively recorded value is then determined and, with the difference between the assigned values being determined, the delivered mass is determined and added up or integrated. Thus, if a certain mass to be promoted, then this results from the accumulation or addition of the detected mass values. In the case of a continuous gravimetric dosing, the measured values determined in this way are related to the time or the rotational speed of the rotor 2. From this, a control signal for the motor 4 can then be derived in order to maintain a desired value for the throughput or a desired delivery rate, as well as a control signal to the motor 2 for a short-term increase or reduction of the supply amount.
- Fig. 3 illustrates a modification of the conveying tools 3 of the metering device 1, wherein in contrast to Fig. 2, the conveying tools 3 is formed curved.
- the driven by the motor shaft 4 5 acts on the rotor hub to rotate this patch conveyor organ in the form of a Stemrades with mutually decoupled radial webs and raised walls 32/33, wherein the bulk material coming from the container is continuously withdrawn.
- This design allows in addition to the small overall diameter and a compact design, so that this metering device can be easily integrated into existing batch plants or the like.
- a web-like conveying tool 3 is shown enlarged in side intention (top) and in plan view (bottom).
- the conveyor web is angled here and extends slightly beyond the outer elevation 33 also to achieve a Räum Sign within the housing.
- the remaining components are identified by the same reference numerals as mentioned above, and a chain link is also shown as coupling link 14 for relative "loose" connection (i.e., with at least one degree of freedom) to the next conveying tool 3.
- load or load cells conventional force measuring devices 20 may be used, which allow a mass determination of resting on a buckling bridge or the weighing platform W bulk material strand, wherein the load cells 20 are mounted stationarily below the discharge floor 12.
- electronic dosing control and evaluation of the dosing device according to the invention is made to the above-mentioned documents.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Sampling And Sample Adjustment (AREA)
- Basic Packing Technique (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0516604A BRPI0516604B1 (pt) | 2004-10-17 | 2005-10-17 | dispositivo dosificador gravimétrico para produtos a granel |
AU2005293702A AU2005293702B2 (en) | 2004-10-17 | 2005-10-17 | Gravimetric metering device for bulk products |
CN2005800430314A CN101103258B (zh) | 2004-10-17 | 2005-10-17 | 用于散料的重力计量装置 |
AT05806783T ATE436008T1 (de) | 2004-10-17 | 2005-10-17 | Gravimetrische dosiervorrichtung für schüttgüter |
CA2588878A CA2588878C (en) | 2004-10-17 | 2005-10-17 | Gravimetric metering device for bulk products |
DE502005007671T DE502005007671D1 (de) | 2004-10-17 | 2005-10-17 | Gravimetrische dosiervorrichtung für schüttgüter |
MX2007004570A MX2007004570A (es) | 2004-10-17 | 2005-10-17 | Dispositivo de medicion gravimetrica para productos a granel. |
KR1020077011111A KR101238978B1 (ko) | 2004-10-17 | 2005-10-17 | 벌크제품용 중량 측정장치 |
UAA200705418A UA84500C2 (ru) | 2004-10-17 | 2005-10-17 | Гравиметрическое дозирующее устройство для сыпучих материалов |
JP2007536112A JP4745343B2 (ja) | 2004-10-17 | 2005-10-17 | バルク製品用重量計量装置 |
EA200700885A EA010221B1 (ru) | 2004-10-17 | 2005-10-17 | Весовое дозирующее устройство для сыпучих продуктов |
DK05806783T DK1802945T3 (da) | 2004-10-17 | 2005-10-17 | Gravimetrisk doseringsindretning til styrtegods |
EP05806783A EP1802945B1 (de) | 2004-10-17 | 2005-10-17 | Gravimetrische dosiervorrichtung für schüttgüter |
US11/665,584 US7479606B2 (en) | 2004-10-17 | 2005-10-17 | Gravimetric metering device with independently suspended rotating impeller blades |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004050709.0 | 2004-10-17 | ||
DE102004050709A DE102004050709A1 (de) | 2004-10-17 | 2004-10-17 | Gravimetrische Dosiervorrichtung für Schüttgüter |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006040186A1 true WO2006040186A1 (de) | 2006-04-20 |
Family
ID=35500896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/011125 WO2006040186A1 (de) | 2004-10-17 | 2005-10-17 | Gravimetrische dosiervorrichtung für schüttgüter |
Country Status (16)
Country | Link |
---|---|
US (1) | US7479606B2 (de) |
EP (1) | EP1802945B1 (de) |
JP (1) | JP4745343B2 (de) |
KR (1) | KR101238978B1 (de) |
CN (1) | CN101103258B (de) |
AT (1) | ATE436008T1 (de) |
AU (1) | AU2005293702B2 (de) |
BR (1) | BRPI0516604B1 (de) |
CA (1) | CA2588878C (de) |
DE (2) | DE102004050709A1 (de) |
DK (1) | DK1802945T3 (de) |
EA (1) | EA010221B1 (de) |
ES (1) | ES2328719T3 (de) |
MX (1) | MX2007004570A (de) |
UA (1) | UA84500C2 (de) |
WO (1) | WO2006040186A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005018917A1 (de) * | 2005-04-22 | 2006-11-02 | Schenck Process Gmbh | Schüttgutvorratsbehälter |
US20090291403A1 (en) * | 2008-05-23 | 2009-11-26 | Giovann Conti | Method and apparatus to deliver solid fuel to a combustion zone |
CZ305519B6 (cs) * | 2014-02-20 | 2015-11-11 | Assortis Electric, S.R.O. | Zařízení pro vážení, dávkování a regulaci průtoku sypkých materiálů |
KR101739508B1 (ko) * | 2016-07-18 | 2017-05-25 | 반석건설기계 주식회사 | 선박용 사일로 이탈 방지 구조 |
KR102613462B1 (ko) | 2021-11-11 | 2023-12-13 | 주식회사 삼표시멘트 | 분입체 정량공급용 피더장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0530797A1 (de) * | 1991-09-06 | 1993-03-10 | Pfister GmbH | Gravimetrische Dosiervorrichtung für Schüttgüter |
WO1998053283A1 (en) * | 1997-05-22 | 1998-11-26 | Marel Hf. | Method and apparatus for weighing a continuous stream of material |
WO1999027331A1 (de) * | 1997-11-22 | 1999-06-03 | Pfister Gmbh | Gravimetrische dosiervorrichtung für schüttgüter |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4155486A (en) * | 1977-10-25 | 1979-05-22 | Brown Winfred E | Rotary feeder |
US4368984A (en) * | 1977-12-12 | 1983-01-18 | National Engineering Company | Mixer apparatus |
SE413048B (sv) * | 1979-03-27 | 1980-03-31 | Pettersson Bertil | Sett att vid en i huvudsak horisontalaxlad vidturbin med flappningnav reglerad flappingrorelsen |
US5125535A (en) * | 1990-08-21 | 1992-06-30 | Ohlman Hans Armin | Gravimetric metering apparatus for bulk materials |
DE4129726A1 (de) * | 1991-09-06 | 1993-03-11 | Pfister Gmbh | Dosiervorrichtung |
US5505589A (en) * | 1994-12-28 | 1996-04-09 | Bergey; Karl H. | Controllable variable twist rotor blade assembly |
EP0953142B1 (de) * | 1997-01-17 | 2002-04-24 | K-Tron Technologies, Inc. | Bandwaage |
DE19739712B4 (de) | 1997-09-10 | 2009-04-16 | Pfister Gmbh | Verfahren und Vorrichtung zur kontinuierlichen, gravimetrischen Dosierung |
DE10106798A1 (de) * | 2001-02-10 | 2002-08-14 | Pfister Gmbh | Dosiervorrichtung |
DE202004002601U1 (de) * | 2004-02-13 | 2004-04-22 | K-Tron (Switzerland) Ltd. | Vorrichtung zum Dosieren von Schüttgütern mit einem Rührwerk und einer Antriebseinheit |
US7032859B2 (en) * | 2004-07-23 | 2006-04-25 | The United States Of America As Represented By The Secretary Of The Navy | Counter rotating ducted fan having a permanent magnet drive |
-
2004
- 2004-10-17 DE DE102004050709A patent/DE102004050709A1/de not_active Withdrawn
-
2005
- 2005-10-17 KR KR1020077011111A patent/KR101238978B1/ko active IP Right Grant
- 2005-10-17 UA UAA200705418A patent/UA84500C2/ru unknown
- 2005-10-17 ES ES05806783T patent/ES2328719T3/es active Active
- 2005-10-17 CA CA2588878A patent/CA2588878C/en active Active
- 2005-10-17 WO PCT/EP2005/011125 patent/WO2006040186A1/de active Application Filing
- 2005-10-17 AU AU2005293702A patent/AU2005293702B2/en active Active
- 2005-10-17 JP JP2007536112A patent/JP4745343B2/ja active Active
- 2005-10-17 EA EA200700885A patent/EA010221B1/ru not_active IP Right Cessation
- 2005-10-17 DK DK05806783T patent/DK1802945T3/da active
- 2005-10-17 AT AT05806783T patent/ATE436008T1/de not_active IP Right Cessation
- 2005-10-17 MX MX2007004570A patent/MX2007004570A/es active IP Right Grant
- 2005-10-17 DE DE502005007671T patent/DE502005007671D1/de active Active
- 2005-10-17 US US11/665,584 patent/US7479606B2/en active Active
- 2005-10-17 EP EP05806783A patent/EP1802945B1/de active Active
- 2005-10-17 BR BRPI0516604A patent/BRPI0516604B1/pt active IP Right Grant
- 2005-10-17 CN CN2005800430314A patent/CN101103258B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0530797A1 (de) * | 1991-09-06 | 1993-03-10 | Pfister GmbH | Gravimetrische Dosiervorrichtung für Schüttgüter |
WO1998053283A1 (en) * | 1997-05-22 | 1998-11-26 | Marel Hf. | Method and apparatus for weighing a continuous stream of material |
WO1999027331A1 (de) * | 1997-11-22 | 1999-06-03 | Pfister Gmbh | Gravimetrische dosiervorrichtung für schüttgüter |
Also Published As
Publication number | Publication date |
---|---|
DK1802945T3 (da) | 2009-11-09 |
CA2588878A1 (en) | 2006-04-20 |
MX2007004570A (es) | 2007-06-25 |
CN101103258A (zh) | 2008-01-09 |
AU2005293702B2 (en) | 2010-07-29 |
UA84500C2 (ru) | 2008-10-27 |
CN101103258B (zh) | 2010-10-27 |
JP4745343B2 (ja) | 2011-08-10 |
JP2008517256A (ja) | 2008-05-22 |
BRPI0516604A (pt) | 2008-09-16 |
EP1802945A1 (de) | 2007-07-04 |
DE102004050709A1 (de) | 2006-04-20 |
ATE436008T1 (de) | 2009-07-15 |
EA200700885A1 (ru) | 2007-10-26 |
DE502005007671D1 (de) | 2009-08-20 |
KR20070089914A (ko) | 2007-09-04 |
EP1802945B1 (de) | 2009-07-08 |
BRPI0516604B1 (pt) | 2017-05-02 |
AU2005293702A1 (en) | 2006-04-20 |
CA2588878C (en) | 2015-12-01 |
KR101238978B1 (ko) | 2013-03-04 |
ES2328719T3 (es) | 2009-11-17 |
US20080217071A1 (en) | 2008-09-11 |
EA010221B1 (ru) | 2008-06-30 |
US7479606B2 (en) | 2009-01-20 |
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