WO1998043902A1 - Transfer station - Google Patents
Transfer station Download PDFInfo
- Publication number
- WO1998043902A1 WO1998043902A1 PCT/GB1998/000931 GB9800931W WO9843902A1 WO 1998043902 A1 WO1998043902 A1 WO 1998043902A1 GB 9800931 W GB9800931 W GB 9800931W WO 9843902 A1 WO9843902 A1 WO 9843902A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- station
- conduit
- cleaning
- station according
- flowable material
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/183—Preventing escape of dust by means of sealed systems with co-operating closure members on each of the parts of a separable transfer channel
Definitions
- the invention relates to a station, particularly a station for the transter of flowable material from one location to another
- Flowable material is usually in the form of powder dust, grains, pellets, tablets, capsules, pulverulent material or the like particulate material
- Such flowable material often has to be transferred from one location to another, tor example from an intermediate bulk container (IBC) in which it is stored or transported, to a point of use
- IBC intermediate bulk container
- the material can be a food product constituent such as a flavouring which has to be transferred to a point of use, where the final food product is made
- the IBC is set down on a discharge station, and opened for controlled flow of material through a conduit of the station to another location for use
- the material could be a pharmaceutical powder, a powder used m the nuclear industry, or any other kind of powder All when they are used in material handling apparatus of the kind described, can pollute the environment and can also be a health hazard to operatives at the discharge station
- a station for the transfer of flowable material from one location to another comprising a conduit for the flowable material, a member adapted for obturating and opening the conduit tor controlling flow of material therethrough, and a device for cleaning at least an external surface of the obturating member whereby to obviate contamination of the surroundings of the station with flowable material.
- the cleaning device may comprise a chamber mounted at or adjacent an extremity of the conduit.
- the chamber may comprise a generally toroidal body adapted for mounting at the extremity of the conduit.
- a cleaning medium which for preference may be air.
- the body may define a through passage with a peripheral seal element at one end. This provides a means to isolate the interior of the body from the external atmosphere.
- the seal element may comprise an annular flexible lip seal an inner peripheral part of which projects radially of the passage. This is a relatively efficient arrangement, particularly when the body may comprise a peripheral flange on which the lip seal may be mounted.
- the body may comprise an extension whereby the cleaning device may be mountable on the conduit. This is a relatively simple construction.
- the body of the chamber may comprise a duct adapted to be connected to extraction means whereby to extract contents of the chamber.
- the duct may be tangentially arranged with respect to the body, and it may enter the body intermediate the flange and the annular extension. This provides for relatively efficient extraction.
- the duct and cleaning medium admittance means may penetrate the body at the same position. This provides for an efficient action, particularly when they both enter tangentially and point in opposite directions.
- the device may be removably mountable at an extremity of the conduit.
- the annular seal at the extremity of the conduit and the seal element of the body may be spaced apart and substantially parallel. This provides an efficient double seal arrangement.
- the seal device and seal element may have respective inner peripheries which may extend into the conduit and may be adapted to contact the obturating member.
- apparatus for handling flowable material comprising a station as hereinbefore defined and a container for flowable material adapted to cooperate with the station for transfer of the material .
- the container may comprise an IBC.
- a device for cleaning at least the external surface of an obturating member of a station for transfer of flowable material comprising a body adapted to be mounted at or adjacent an extremity of a conduit of the station, and means to admit cleaning medium to and extract material from the body.
- the cleaning medium admittance means may comprise an inlet orifice arranged to admit air tangentially of the chamber . This provides for an efficient cleaning action.
- the means to extract material may comprise an extraction duct arranged tangentially of the body . This provides for efficient extraction action.
- the inlet orifice and extraction duct may penetrate the body at substantially the same position. This provides for efficient cleaning as the maximum cleaning effect is achieved, particularly when the inlet and orifice and extraction duct point in opposite directions.
- the body may be a substantially bowl shape whereby to provide a tangential vortex of air for cleaning.
- the body may have a peripheral flange adapted to mount a seal device.
- the seal device* may comprise a flexible annular seal element radially inner part of which may be adapted to contact at least the obturating member. This provides a seal whilst allowing for cleaning.
- the body may comprise an inner shoulder whereby the device may be mountable at the extremity of a conduit of the transfer station.
- Fig. 1 is a schematic representation, with parts broken away for clarity, of a station, in this embodiment a discharge station, for transfer of flowable material from one location to another, there being parts shown broken away or in section for clarity;
- Fig. 2 shows a side elevational view of a cleaning device of the station of Fig. 1, and to a larger scale than that figure;
- Figs. 3 to 16 shows a complete cycle of operation, in respective sequential operating stages, of the station of Fig. 1 for the transfer of particulate flowable material from one location to the other, in the Figs, from an IBC to a point of use (not shown), Fig. 3 showing the start of the cycle and Fig. 16 the end thereof.
- a station 1 in the embodiment a discharge station, for the transfer of flowable material, in the embodiment particulate material such as a powder from one location to another, comprising a conduit, or hopper 2, for the flowable material, a member 3 adapted for obturating and opening the conduit 2 for controlling flow* of material therethrough, and a device 4 for cleaning at least an external surface of the obturating member 3 whereby to obviate contamination of the surroundings of the station 1 with flowable material.
- a discharge station for the transfer of flowable material, in the embodiment particulate material such as a powder from one location to another, comprising a conduit, or hopper 2, for the flowable material, a member 3 adapted for obturating and opening the conduit 2 for controlling flow* of material therethrough, and a device 4 for cleaning at least an external surface of the obturating member 3 whereby to obviate contamination of the surroundings of the station 1 with flowable material.
- the obturating member 3 is a conical device which is mounted at the upper (in use in the embodiment and as viewed in the Figs.) end of the conduit 2, and which projects therefrom.
- the conical device or probe 3 is raised and lowered by a bellows means 5 and by a mechanism 6 which provides a pre- lift of the probe 3 before operation of the bellows means 5. whereby to provide a variable lift of the probe.
- the probe 3 has an internal vibrator device 7 which oscillates or vibrates the cone at a specified time during a discharge cycle as hereinafter described.
- the discharge station 1 has guides or supports 8 for receiving feet of an IBC holding material to be transferred.
- annular seal 9 in the form of a flexible and resilient member or lower lip seal which is secured to the outer perimeter of the conduit 2 and which has a radially extending part which extends into the conduit 2 to provide a brushing but sealing contact with a part of the obturating device 3 which includes an inflatable ring 10 which acts as a clamp of the probe as described hereinafter.
- the cleaning device 4 which comprises (Figs. 2, 2A) a bowl or dish-shaped toroidal body 11 with an upper (as viewed) horizontal (also as viewed) flange 12 to which is secured an annular flexible and resilient lip seal 13 which is secured to the flange 12 by a clamping ring 14 using nuts and bolts 15.
- the lip seal 13 has a radially inwardly extending part 16 which contacts the external surface of the probe 3 in one position, in which position the lip seal 13 is spaced from and lies substantially parallel to the seal 9.
- the body 11 in its curved or dish-shaped part is penetrated by means 17 to admit cleaning medium, in the embodiment air, and means 18 to extract air or air and material from the interior of the device 4.
- the air admittance means 17 is in the form of a tube which enters the body 11 tangentially.
- the duct 18 also penetrates the body 11 tangentially, the tube 17 and duct 18 entering the body 11 at substantially the same point, and facing in opposite directions
- the duct is connected via an exhaust valve 19 to a flexible pipe 20 which is connected with an extractor fan (not shown)
- the tube 17 is connected with a source of air under pressure, also not shown
- the body 11 also has a cylindrical extension 21 by which it is mounted on the external surface of the upper end of the conduit 2, trapping the lip seal 9 thereon, there being an internally projecting annular shoulder or flange 22 which sits on the seal 9 and thus on the upper edge of the conduit 2
- FIG 3 shows the discharge station 1 schematically with an IBC 24 containing particulate flowable material 25 being lowered in the direction ot the arrow 'A'
- An outlet 26 ot the IBC is closed by a closure device 27 ot conical shape which is complementary to the probe 3
- the seals 13, 9 contact the external surface of the probe 3 and the mechanism 6 is actuated to provide a pre-hft of the probe 3
- Air is admitted under pressure through the tube 17 to the interior of the body 11 , of the device 4, and extracted from the body through the duct 18
- the dish-shaped geometry of the interior of the body 11 and the tangential entry of the air provide a toroidal vortex of cleaning air which sweeps out the entire interior of the device, cleaning it and the external surface of the probe 3 so as to cleanse both of foreign bodies which might contaminate the particulate material 25 to be transferred.
- the air and any foreign bodies are extracted from the duct 18 via the flexible pipe 20 by the fan.
- the IBC is then raised (for 30 seconds arrow 'D') to allow further cleaning of the IBC outlet 26 whilst the pre-lift of the probe 3 is maintained, and the cleaning air is admitted, and extraction takes place as before, through the duct 18.
- the IBC 24 is then lowered so that its feet 28 rest in the guides or supports 8.
- the mechanism 6 providing the pre-lift is de-actuated whilst cleaning air continues to be admitted to the body 11 and extraction continues (arrow 'C').
- the outlet 26 of the IBC has not only turned the seal 13 downwardly, but it has also engaged and turned the seal 9 downwardly too, the two seals engaging to provide a sealed interior of the body 11.
- the cleaning air flow is then ceased, as is extraction (Fig. 7).
- Fig. 8 The next stage in transfer is shown in Fig. 8.
- the probe 3 is lifted under low pressure for 15 seconds in the embodiment (arrow 'B'), and then the probe 3 and IBC outlet closure 27 are clamped together by inflation of the toroidal clamp or tyre-like ring 10 (Fig . 1) which engages a depending skirt of the outlet closure device 27.
- the system With the toroidal ring 10 still effective as shown by arrows 'E', the system is ready for discharge of material 25 from the IBC 24 via a low pressure raising of the probe 3 , with the outlet closure 27, by the bellows 5 as shown in Figs. 9 and 10, the latter Fig .
- Fig. 13 the system is ready for an air clean sequence.
- the IBC is raised F, for 30 seconds, air being admitted through the tube 17 to the body 11 and thereby cleaning the outlet 26. any particles being extracted as before through the duct 18, the ring clamp 10 still being actuated as shown by the arrows ⁇ ' .
- This operational step is shown in Fig. 14.
- the air cleaning is continued for 15 seconds when the ring clamp 10 is deactivated and the cone lowered by deactivating the mechanism, as shown by the arrows 'G' in Fig. 15, the outlet closure 27 having been released from the probe on deflation of the ring clamp 10.
- the IBC 24 is then removed to a neutral position. Fig. 16, the probe being pre-lifted by the mechanism 6 and the seals 9, 13 returning under their inherent resilience to seal against the probe 3, the air being admitted through the tube 17, and extracted with particulate material from the duct 17, so that no particles can escape to the atmosphere and contaminate the environment surrounding the station 1. which is then ready for an ensuing transfer operation.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Basic Packing Technique (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Liquid Crystal Substances (AREA)
- Vehicle Body Suspensions (AREA)
- Vending Machines For Individual Products (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54129398A JP2001517186A (en) | 1997-03-27 | 1998-03-26 | Transfer station |
AU68446/98A AU741248B2 (en) | 1997-03-27 | 1998-03-26 | Transfer station |
BR9808434-8A BR9808434A (en) | 1997-03-27 | 1998-03-26 | Transfer station |
KR1019997008797A KR20010005727A (en) | 1997-03-27 | 1998-03-26 | Transfer Station |
NZ337803A NZ337803A (en) | 1997-03-27 | 1998-03-26 | Cleaning device for a filler flowable material |
EP98913925A EP1021363A1 (en) | 1997-03-27 | 1998-03-26 | Transfer station |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9706365.5 | 1997-03-27 | ||
GBGB9706365.5A GB9706365D0 (en) | 1997-03-27 | 1997-03-27 | A station |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998043902A1 true WO1998043902A1 (en) | 1998-10-08 |
Family
ID=10809947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1998/000931 WO1998043902A1 (en) | 1997-03-27 | 1998-03-26 | Transfer station |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1021363A1 (en) |
JP (1) | JP2001517186A (en) |
KR (1) | KR20010005727A (en) |
CN (1) | CN1251560A (en) |
AR (1) | AR013914A1 (en) |
AU (1) | AU741248B2 (en) |
BR (1) | BR9808434A (en) |
GB (1) | GB9706365D0 (en) |
NZ (1) | NZ337803A (en) |
TW (1) | TW397802B (en) |
WO (1) | WO1998043902A1 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000034163A1 (en) * | 1998-12-04 | 2000-06-15 | Matcon (R & D) Limited | Apparatus and method for handling material |
EP1043252A1 (en) * | 1999-03-29 | 2000-10-11 | Zanchetta & C. S.r.l. | Apparatus for off-loading incoherent material from a container |
EP1270466A1 (en) * | 2001-06-28 | 2003-01-02 | AT Anlagetechnik AG | Closure |
US6658824B2 (en) | 1998-11-04 | 2003-12-09 | At Anlagetechnik Ag | Apparatus for transferring flowable material |
EP1468917A1 (en) * | 2003-04-15 | 2004-10-20 | MANES MACCHINE S.r.l. | Discharge and dosing device for the transfer of flowable material between two containers |
EP1574455A1 (en) * | 2004-03-12 | 2005-09-14 | Visval AG | Emptying device for a bulk container and bulk container |
EP1593622A1 (en) * | 2004-05-04 | 2005-11-09 | Netzhammer AG | Transport container for sterile products |
EP2939953A1 (en) * | 2014-05-02 | 2015-11-04 | Visval AG | Closure for a bulk material container and docking device therefor |
CN109592448A (en) * | 2018-12-11 | 2019-04-09 | 株洲天桥起重机股份有限公司 | A kind of scalable hard tube discharging dust arrester installation |
CN114620501A (en) * | 2020-12-10 | 2022-06-14 | 中核建中核燃料元件有限公司 | Self-cleaning feeding system for nuclear fuel pellet production line |
US11731845B2 (en) | 2018-04-13 | 2023-08-22 | Imertech Sas | Loading device for particulate material |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG182009A1 (en) * | 2010-12-08 | 2012-07-30 | Semiconductor Technologies And Instr Pte Ltd | System, apparatus and method for vacuum based regulation of component flow and singulation |
CN103196532A (en) * | 2013-03-29 | 2013-07-10 | 哈尔滨纳诺机械设备有限公司 | Full-automatic closed drug weighing and batching system |
CN104309834A (en) * | 2014-09-26 | 2015-01-28 | 锐派包装技术(上海)有限公司 | Conic node valve structure |
CN106167140A (en) * | 2016-07-18 | 2016-11-30 | 无锡派乐科技有限公司 | A kind of air jet system eliminating residual material |
CN106672463A (en) * | 2016-07-18 | 2017-05-17 | 无锡派乐科技有限公司 | Air spraying device used for clearing outer wall of hopper |
CN105947442A (en) * | 2016-07-18 | 2016-09-21 | 无锡派乐科技有限公司 | Full-automatic purging device for cleaning outer wall of hopper |
CN105947448A (en) * | 2016-07-18 | 2016-09-21 | 无锡派乐科技有限公司 | Air injection device for clearing residual material away from outer wall of hopper |
CN108502564A (en) * | 2018-04-14 | 2018-09-07 | 卢素珠 | A kind of tank container for petroleum asphalt delivery device |
CN113581881B (en) * | 2021-09-28 | 2021-11-26 | 南通初行建筑装饰工程有限公司 | Bulk material car loading and unloading mechanism |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5042538A (en) * | 1990-02-07 | 1991-08-27 | Custom Metalcraft Inc. | Slide gate and dust cover operator and seal assembly |
FR2696725A1 (en) * | 1992-10-09 | 1994-04-15 | Cellier | Installation for material transfer between separated enclosures - comprises sheath, closed at one end and movable collar at other carrying conduit through partition wall |
EP0619254A1 (en) * | 1993-04-01 | 1994-10-12 | ELVECO msj S.A. | Apparatus and method for transferring products flowing by gravity |
WO1997005050A1 (en) * | 1995-07-25 | 1997-02-13 | Matcon (R & D) Limited | Material handling apparatus |
-
1997
- 1997-03-27 GB GBGB9706365.5A patent/GB9706365D0/en active Pending
-
1998
- 1998-03-26 BR BR9808434-8A patent/BR9808434A/en not_active Application Discontinuation
- 1998-03-26 EP EP98913925A patent/EP1021363A1/en not_active Withdrawn
- 1998-03-26 KR KR1019997008797A patent/KR20010005727A/en not_active Application Discontinuation
- 1998-03-26 JP JP54129398A patent/JP2001517186A/en active Pending
- 1998-03-26 NZ NZ337803A patent/NZ337803A/en unknown
- 1998-03-26 CN CN98803756A patent/CN1251560A/en active Pending
- 1998-03-26 AU AU68446/98A patent/AU741248B2/en not_active Ceased
- 1998-03-26 WO PCT/GB1998/000931 patent/WO1998043902A1/en not_active Application Discontinuation
- 1998-03-27 AR ARP980101405A patent/AR013914A1/en unknown
- 1998-03-31 TW TW087104791A patent/TW397802B/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5042538A (en) * | 1990-02-07 | 1991-08-27 | Custom Metalcraft Inc. | Slide gate and dust cover operator and seal assembly |
FR2696725A1 (en) * | 1992-10-09 | 1994-04-15 | Cellier | Installation for material transfer between separated enclosures - comprises sheath, closed at one end and movable collar at other carrying conduit through partition wall |
EP0619254A1 (en) * | 1993-04-01 | 1994-10-12 | ELVECO msj S.A. | Apparatus and method for transferring products flowing by gravity |
WO1997005050A1 (en) * | 1995-07-25 | 1997-02-13 | Matcon (R & D) Limited | Material handling apparatus |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6658824B2 (en) | 1998-11-04 | 2003-12-09 | At Anlagetechnik Ag | Apparatus for transferring flowable material |
US6595735B1 (en) * | 1998-12-04 | 2003-07-22 | Matcon (R&D) Limited | Bulk particulate discharge apparatus and method |
AU765805B2 (en) * | 1998-12-04 | 2003-10-02 | Matcon (R & D) Limited | Apparatus and method for handling material |
WO2000034163A1 (en) * | 1998-12-04 | 2000-06-15 | Matcon (R & D) Limited | Apparatus and method for handling material |
EP1043252A1 (en) * | 1999-03-29 | 2000-10-11 | Zanchetta & C. S.r.l. | Apparatus for off-loading incoherent material from a container |
US6412518B1 (en) | 1999-03-29 | 2002-07-02 | Zanchetta & C. S.R.L. | Apparatus for off-loading incoherent material from a container |
EP1270466A1 (en) * | 2001-06-28 | 2003-01-02 | AT Anlagetechnik AG | Closure |
EP1468917A1 (en) * | 2003-04-15 | 2004-10-20 | MANES MACCHINE S.r.l. | Discharge and dosing device for the transfer of flowable material between two containers |
WO2005087624A3 (en) * | 2004-03-12 | 2005-12-22 | Visval Ag | Emptying device for a bulk-goods container and bulk goods container |
EP1574455A1 (en) * | 2004-03-12 | 2005-09-14 | Visval AG | Emptying device for a bulk container and bulk container |
WO2005087624A2 (en) * | 2004-03-12 | 2005-09-22 | Visval Ag | Emptying device for a bulk-goods container and bulk goods container |
EP1593622A1 (en) * | 2004-05-04 | 2005-11-09 | Netzhammer AG | Transport container for sterile products |
US7810528B2 (en) | 2004-05-04 | 2010-10-12 | Eric Netzhammer | Transport container for sterile products |
EP2939953A1 (en) * | 2014-05-02 | 2015-11-04 | Visval AG | Closure for a bulk material container and docking device therefor |
WO2015164988A1 (en) | 2014-05-02 | 2015-11-05 | Visval Ag | Seal assembly, method for sealing a seal, bulk material container, docking device, and method for sealing a docking device |
CN106715291A (en) * | 2014-05-02 | 2017-05-24 | 维斯瓦尔股份公司 | Seal assembly, method for sealing a seal, bulk material container, docking device, and method for sealing a docking device |
US11731845B2 (en) | 2018-04-13 | 2023-08-22 | Imertech Sas | Loading device for particulate material |
CN109592448A (en) * | 2018-12-11 | 2019-04-09 | 株洲天桥起重机股份有限公司 | A kind of scalable hard tube discharging dust arrester installation |
CN114620501A (en) * | 2020-12-10 | 2022-06-14 | 中核建中核燃料元件有限公司 | Self-cleaning feeding system for nuclear fuel pellet production line |
CN114620501B (en) * | 2020-12-10 | 2023-10-13 | 中核建中核燃料元件有限公司 | Self-cleaning feeding system for nuclear fuel pellet production line |
Also Published As
Publication number | Publication date |
---|---|
AR013914A1 (en) | 2001-01-31 |
GB9706365D0 (en) | 1997-05-14 |
TW397802B (en) | 2000-07-11 |
EP1021363A1 (en) | 2000-07-26 |
AU6844698A (en) | 1998-10-22 |
AU741248B2 (en) | 2001-11-29 |
BR9808434A (en) | 2000-05-23 |
KR20010005727A (en) | 2001-01-15 |
JP2001517186A (en) | 2001-10-02 |
CN1251560A (en) | 2000-04-26 |
NZ337803A (en) | 2001-05-25 |
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