EP2855310A1 - Pneumatischer förderer zum transportieren von schüttgütern - Google Patents
Pneumatischer förderer zum transportieren von schüttgüternInfo
- Publication number
- EP2855310A1 EP2855310A1 EP13718331.5A EP13718331A EP2855310A1 EP 2855310 A1 EP2855310 A1 EP 2855310A1 EP 13718331 A EP13718331 A EP 13718331A EP 2855310 A1 EP2855310 A1 EP 2855310A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bulk material
- pneumatic conveyor
- line
- container
- conveying
- 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.)
- Ceased
Links
- 239000000463 material Substances 0.000 title abstract description 16
- 239000013590 bulk material Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 29
- 238000012360 testing method Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000011109 contamination Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 25
- 230000000903 blocking effect Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
-
- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
-
- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
-
- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/60—Devices for separating the materials from propellant gas
Definitions
- the invention relates to a pneumatic conveyor for transporting bulk materials, in particular tablets, with a compressor for conveying gas a bulk material supply and a bulk material discharge of a conveying line connecting them, wherein between the bulk material and the compressor a return line for the conveying gas is provided so that the conveying gas in a winninggasniklauf is guided.
- the invention relates to a method for operating a
- pneumatic conveyor in particular for conveying tablets.
- Such a conveyor and a method of operating it to transfer granulated or powdered material, such as sugar, from a truck to a bakery storage bin is known from US 2,814,531.
- the sugar is transported pneumatically from the transport container into the storage container of the customer.
- Such transport operations can take hours to complete.
- a container is proposed with a filter having on both sides of the filter pressure equalization valves, so that the pressure as desired can be adjusted and no sugar gets into the environment.
- this container which is arranged in the return line, collects in
- Filtered material remains with the blower and the transport tank after disconnecting the delivery line and the return line on a truck.
- Operators may be when certain dosages are exceeded.
- the object of the invention is to propose a pneumatic conveyor, which largely prevents contamination of the environment during operation.
- This object is in a pneumatic conveyor for transporting bulk materials, in particular tablets, with a compressor for
- Delivery line is disconnected.
- the blocking valve hermetically separates the delivery line from the upstream collecting volume. By this separation, the entire path of the pneumatic conveyor can be cleaned in a suitable manner.
- the conveying gas cycle and the line paths coming into contact with the conveyed material are thereby also separated from the collecting volume located upstream.
- the Schüttgutausschleusung has a container which is preferably designed as a cyclone, with an inlet into which the delivery line, preferably tangentially, enters and the return line, preferably tangentially emerges in the same direction.
- the aerodynamic forces acting on the cargo reduce.
- the container has a larger cross-section than the delivery line and return line connected to it, so that the
- Pressure loss in the container is kept low by the tangential entry and / or exit of the lines.
- a sieve, filter or the like is preferably in the container between
- the container is formed horizontally divided.
- a flat sieve or filter can be provided particularly favorable, which securely holds back the conveyed. Due to the tangential in and out of the
- Delivery gas into the container usually does not come with the sieve or filter in contact, so these parts are rarely and exceptionally clean. Instead, the conveyed material is discharged by the centrifugal forces from the gas stream.
- Rinsing liquid line is arranged opening, the entire
- pneumatic conveyors that means its parts coming into contact with the conveyed material, without dismantling any of them
- the space requirement of the pneumatic conveyor is further advantageously reduced by the fact that the conveying and return line and optionally the rinsing liquid line are guided parallel to each other.
- the bulk material discharge possibly have at least one rinsing liquid inlet and / or the container optionally form a further assembly with sieve or filter.
- This module also advantageously has the same direction
- connections so that the parallel feed and return lines can be connected directly to the connections of the module.
- the condition of the pneumatic conveyor can be checked visually easily if at least one of the lines is formed transparently with supporting spiral.
- the support spiral allows the pressure in the entire path of the pneumatic conveyor to the outer
- the bulk material supply device has an interface to a tablet press and / or the bulk material discharge of an interface to a tablet testing machine.
- the rinsing liquid can be removed for cleaning the pneumatic conveyor via the downstream tablet testing machine, since this also has a cleaning option with rinsing liquid.
- Tablet press their inner hermetically sealed to the outside atmosphere for the pneumatic conveyor and expand on this. On a special conditioning and control of the circulating pumped gas can thus be dispensed with advantage.
- the task is also supported by a method of operation of a
- pneumatic conveyor in particular for conveying tablets solved, in which the operation takes place intermittently.
- Operation is namely the pneumatic conveying process of the
- Conveyed good from the step of injecting a lot of Material to be conveyed into the delivery circuit both temporally and atmospherically separated between the pneumatic conveyor and an upstream collecting volume or a tablet press.
- the bulk material present in the collection container is transported in each case. There is no continuous promotion of the bulk material.
- the delivery gas circuit is operated with negative pressure, no conveyed material can escape into the environment even in the event of a malfunction. At most, the surrounding atmosphere may leak in Lekagen in the delivery gas cycle.
- the operation of the invention makes it possible to collect a sample lot and to promote batchwise.
- individual tablets are randomly removed from the product stream as a sample for quality control.
- Such samples are put together to form a sample lot in the collection volume and transported by means of the conveyor according to the invention to a tablet testing machine.
- Production changes can advantageously be made quickly if a cleaning by supplying rinsing liquid takes place between a tablet production change. All parts of the system can remain mounted because they can be cleaned in the operational state by the supply of rinsing liquid. A disassembly and separate cleaning of the individual parts is thus unnecessary.
- the spent rinsing liquid can advantageously be discharged into a system connected downstream, preferably a tablet testing machine.
- a tablet testing machine is connected to a suitable sewer line, so that the resulting in the tablet test machine tablet break or resulting dust by Rinse liquid can be removed from the test machine. In this way, no separate connection of the pneumatic conveyor to a sewer system is necessary.
- the promotion in the pneumatic conveyor can be carried out under a protective gas atmosphere.
- Production plant z.
- As a tablet press can be extended to the pneumatic conveying device, if the pressure maintenance and / or control of the inert gas atmosphere over an upstream
- connected system takes place.
- Particularly advantageous can be linked with the pneumatic conveyor according to the invention machines for the production of tablets.
- the linking of these machines can be done quickly and safely.
- FIG. 1 shows a pipeline diagram of the conveyor 1 according to the invention with the most important parts of the installation.
- the system is divided into a first assembly 13 whose border is shown in phantom. This assembly 13 serves to introduce the bulk material into the pneumatic conveyor. 1
- Another assembly 14 serves to remove the bulk material from the conveying gas flow.
- These two modules are connected by a feed line 4 and a return line 6 to a conveying gas cycle.
- a rinsing liquid line 12 which serves to supply the assembly 13 of the assembly 14 from. All three lines 4, 6, 12 are parallel guided and can be combined to form a tube bundle 20.
- a higher-level controller 21 serves the coordinated control of different valves of both modules 13, 14 through the bus 22 to the module 13 and through the bus 23 to the assembly 14.
- the assembly 13 has an interface 16 to the outside
- the random samples taken are transferred via the interface 16 in the collection volume 7.
- a blocking device 8 is provided which opens or closes the outlet 10 and collecting container 7 with the aid of its drive 24 and thus controls access to the delivery line 4.
- the valve 25 is normally closed. It controls the way of
- the delivery line 4 starts on the left side of the compressor 2 and ends in the assembly 14 at the right-hand container 9, which serves for decoupling the conveyed material from the conveying gas flow.
- the conveying line 4 preferably enters tangentially into the cylindrical container 9 and then flows through a horizontal screen 1 1 in the upper part of the container 9.
- the upper part of the container 9 also leaves the conveying gas tangentially to enter the return line 6, the the conveying gas again leads to the suction side of the compressor 2.
- the return line thus begins at the container 9 and ends in the assembly 13 on the compressor. 2
- the bulk material deposited in the container 9 leaves the container through the outlet 10, which can be opened and closed by the fitting 27.
- the fitting 27 thus controls the interface 18 to a downstream tablet testing machine 19.
- an interface 28 is provided in the assembly 14 to a rinsing liquid supply, through which the pneumatic conveyor suitable rinsing liquid, for example alternating with acidic pH or basic, can be supplied.
- the supply is controlled by the Spülillonkeitseinlassventil 29. Behind it rinses the rinsing liquid line 12 to valve 30, which controls the supply for the cleaning of the container 9 and valve 31 which the supply to
- valves 8, 25 control the flow of the rinsing liquid from the
- the drives 24 of all valves are controlled via the buses 22, 23 of the controller 21 in a suitable sequence.
- the interface 18 is lower than the assembly 13, so that due to the existing gradient, the rinsing liquid can proceed automatically.
- the air can also be heated by an electric heater, not shown, and monitored automatically by additional, also not shown, temperature sensor and humidity sensor, the drying of the lines.
- the line paths can then be blown free by operation of the compressor 2 at a higher speed, wherein a design of the container 9 in the manner of a cyclone supports the deposition of residual amounts of the rinsing liquid.
- the hose connections 33 for the two assemblies 13, 14 connecting lines all have the same direction. This can be the
- Bundle hoses This has the advantage that the conveyor has a lower construction volume, since the tubes can be guided in parallel.
- a transport cycle is designed in such a way that individual tablets first enter the collecting volume 7 via the interface 16 from the tablet press. There, the supplied tablets are collected until the desired sample collective is reached. To convert this
- Rotary valve or a slider opened.
- the discharge valve 25 is closed.
- the motor 32 of the compressor 2 is started.
- the generated conveying gas flow which can also consist of a protective gas if necessary, drives the tablets located in the delivery line 4 into the container 9.
- the tangential entry of the delivery line 4 the tablets are braked along the cylindrical wall of the container 9 and closed shut-off valve 27th collected in the lower part of the container.
- the fan can be switched off.
- the freed of the tablets conveying gas rises spirally in the container 9 through the sieve 1 1 upwards to then leave the container tangentially and return via return line 6 to the suction side of the compressor 2.
- the blocking valve 8 and the drain valve 25 are closed further. During the transport process 8 more tablets can be transferred via the interface 16 into the collecting volume 7 after closing the shut-off valve.
- shut-off valve 27 In order to withdraw the transported tablets from the container 9, the shut-off valve 27 is opened, so that the tablets follow the interface 18 in the downstream direction by gravity
- the pneumatic conveyor described can be used to particular advantage to chain machines for the production of tablets.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012104868.1A DE102012104868B4 (de) | 2012-06-05 | 2012-06-05 | Pneumatischer Förderer für Schüttgüter |
PCT/EP2013/058453 WO2013182346A1 (de) | 2012-06-05 | 2013-04-24 | Pneumatischer förderer zum transportieren von schüttgütern |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2855310A1 true EP2855310A1 (de) | 2015-04-08 |
Family
ID=48182909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13718331.5A Ceased EP2855310A1 (de) | 2012-06-05 | 2013-04-24 | Pneumatischer förderer zum transportieren von schüttgütern |
Country Status (4)
Country | Link |
---|---|
US (2) | US9365367B2 (de) |
EP (1) | EP2855310A1 (de) |
DE (1) | DE102012104868B4 (de) |
WO (1) | WO2013182346A1 (de) |
Families Citing this family (12)
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US10144598B2 (en) | 2014-02-20 | 2018-12-04 | Novatec, Inc. | Variable frequency drive combined with flow limiter set for limiting flow to selected level above design choice |
US10175701B2 (en) | 2014-02-20 | 2019-01-08 | Stephen B. Maguire | Air flow regulator with detector and method for regulating air flow |
US10280015B2 (en) | 2014-02-20 | 2019-05-07 | Stephen B. Maguire | Method for adjustably restricting air flow and apparatus therefor |
US10179708B2 (en) | 2014-02-20 | 2019-01-15 | Maguire Products, Inc. | Granular material delivery system with air flow limiter |
US10414083B2 (en) | 2014-02-20 | 2019-09-17 | Novatec, Inc. | Multiple sensor resin delivery optimizing vacuum pump operation |
US9937651B2 (en) | 2014-02-20 | 2018-04-10 | Novatec, Inc. | Resin delivery apparatus and method with plural air flow limiters |
US10131506B2 (en) | 2014-12-09 | 2018-11-20 | Maguire Products, Inc. | Selective matrix conveyance apparatus and methods for granular resin material |
US10179696B2 (en) | 2015-01-27 | 2019-01-15 | Novatec, Inc. | Variable opening slide gate for regulating material flow into airstream |
US10138076B2 (en) * | 2015-02-25 | 2018-11-27 | Stephen B. Maguire | Method for resin delivery including metering introduction of external air to maintain desired vacuum level |
EP3100968A1 (de) * | 2015-06-01 | 2016-12-07 | Xerex Ab | Vorrichtung und system zum pneumatischen transport eines materials |
EP3736234B1 (de) * | 2019-05-10 | 2024-07-03 | Coperion GmbH | Förderanlage und verfahren zur pneumatischen förderung von kunststoffgranulat |
CN111606052B (zh) * | 2020-05-08 | 2021-06-04 | 纽普兰能源科技(镇江)有限公司 | 一种气力输灰系统及其使用方法 |
Citations (3)
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DE9107053U1 (de) * | 1991-06-09 | 1992-07-02 | Krämer, Norbert, 6100 Darmstadt | Vorrichtung zum Entsorgen und Weiterverarbeiten von aus einer Tabletten- oder Pillenpreßmaschine kommenden Tabletten oder Pillen o.ä. |
DE68926820T2 (de) * | 1988-04-01 | 1996-11-07 | Kyowa Hakko Kogyo Kk | Pneumatische Fördervorrichtung für verdichtete pulverförmige oder körnige Materialien |
US6302573B1 (en) * | 1995-06-09 | 2001-10-16 | Kyowa Hakko Kogyo Co., Ltd. | Mixing method of powdered or granular material utilizing pulsating vibration air |
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GB191308311A (en) * | 1913-04-09 | 1914-03-12 | Matthews & Yates Ltd | Improvements in Pneumatic Conveying Apparatus. |
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-
2012
- 2012-06-05 DE DE102012104868.1A patent/DE102012104868B4/de active Active
-
2013
- 2013-04-24 US US14/405,622 patent/US9365367B2/en active Active
- 2013-04-24 WO PCT/EP2013/058453 patent/WO2013182346A1/de active Application Filing
- 2013-04-24 EP EP13718331.5A patent/EP2855310A1/de not_active Ceased
-
2016
- 2016-05-11 US US15/151,936 patent/US9617088B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68926820T2 (de) * | 1988-04-01 | 1996-11-07 | Kyowa Hakko Kogyo Kk | Pneumatische Fördervorrichtung für verdichtete pulverförmige oder körnige Materialien |
DE9107053U1 (de) * | 1991-06-09 | 1992-07-02 | Krämer, Norbert, 6100 Darmstadt | Vorrichtung zum Entsorgen und Weiterverarbeiten von aus einer Tabletten- oder Pillenpreßmaschine kommenden Tabletten oder Pillen o.ä. |
US6302573B1 (en) * | 1995-06-09 | 2001-10-16 | Kyowa Hakko Kogyo Co., Ltd. | Mixing method of powdered or granular material utilizing pulsating vibration air |
Non-Patent Citations (1)
Title |
---|
See also references of WO2013182346A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013182346A1 (de) | 2013-12-12 |
US20150125222A1 (en) | 2015-05-07 |
DE102012104868B4 (de) | 2022-07-28 |
US20160251172A1 (en) | 2016-09-01 |
DE102012104868A1 (de) | 2013-12-05 |
US9617088B2 (en) | 2017-04-11 |
US9365367B2 (en) | 2016-06-14 |
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