EP2806757B1 - Installation de transport pneumatique - Google Patents
Installation de transport pneumatique Download PDFInfo
- Publication number
- EP2806757B1 EP2806757B1 EP14713380.5A EP14713380A EP2806757B1 EP 2806757 B1 EP2806757 B1 EP 2806757B1 EP 14713380 A EP14713380 A EP 14713380A EP 2806757 B1 EP2806757 B1 EP 2806757B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveying
- throttle
- conveyed
- regulating
- lines
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 title claims 6
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 241000208125 Nicotiana Species 0.000 claims description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/39—Tobacco feeding devices
- A24C5/392—Tobacco feeding devices feeding pneumatically
Definitions
- the invention relates to a pneumatic conveying system according to the preamble of claim 1 and a method for operating a pneumatic conveying system according to the preamble of claim 4.
- Such conveyors are primarily used to promote cut tobacco.
- the promotion is usually carried out as suction through lines with downstream compressor, in particular fan, which generates a pressure difference in the pipe system.
- another conveyor can be used in the pressure or suction operation. Due to the pressure difference between the material entry into the delivery line and the introduced into the delivery line separator for separating the conveying air from the conveyed material, the air and thus the conveyed material is moved in the line system. At the separator, the conveyed material is separated from the air flow.
- the compressor will generate the vacuum for a plurality of delivery lines formed as communicating tubes.
- the individual delivery pipelines are equipped with an individual control system, as for example DE 10 2006 011 742 B1 is known.
- control units The task of these control units is to comply with specified target flow rates, taking into account the ever-changing parameters such as pipe length, type of recording of the conveyed material in the conveyor system and product properties of the transported material.
- the control units generate by means of a throttle device an air resistance, which leads to a reduction in the promotion responsible pressure gradient between material entry point in the delivery pipe and the separator leads.
- the degree of throttling By the degree of throttling, the desired conveying speed of the conveying air and thus of the conveyed material is achieved.
- the conveyor i.
- the fan is operated at a power that is chosen so large that the pressure difference in the piping system always remains so large that regardless of the positions of the respective throttle a certain minimum conveying speed is maintained.
- the conveyor regularly generates a negative pressure in the conveyor system, since it is usually downstream of the separator.
- the conveyor usually generates a significantly higher vacuum than is actually required by the conveyor system.
- the electrical energy consumption of the conveyor is thereby higher than necessary.
- Object of the present invention is therefore to provide a pneumatic conveyor system and a method for operating a pneumatic conveyor system, with which the energy consumption of the conveyor during operation is significantly reduced.
- the invention makes use of the fact that the information on the current degree of throttling is available at each control unit.
- the pressure generation of the conveyor which may be a suction conveyor or a pressure conveyor can be varied according to the invention, whereby an influence on the energy consumption of the system is possible.
- R min minimum throttle degrees
- a control and regulating device is now provided which is capable of varying the power of the conveyor in a form such that at least one of the control units operates in the range of R min .
- Rmin means that the throttle in question is regulated so that it does not open as much as possible.
- the regulation according to the invention ensures that the conveying device always picks up only the required energy.
- a plurality of delivery lines 10, 11, 12 are provided, which are each loaded in a task area 1 with the conveyed.
- separating devices 2 are integrated, which separate the conveyed, in particular cut tobacco, from the conveying air.
- a common compressor (generally conveying device) 4 is connected downstream of the delivery lines 10, 11, 12.
- the plant shown is designed as a suction conveyor, but also a separation device 2 upstream pressure conveyor would work according to the invention.
- each a control unit 31, 32, 33 Downstream of the separation devices 2 are each a control unit 31, 32, 33, which regulate a throttle device (not shown in detail) with throttle.
- a throttle device not shown in detail
- information about the open position of the respective throttle valves that is to say the respective degree of throttling, are consequently available and can be read out.
- This information can be transmitted to a control and regulation device 5 via associated interfaces, which are shown here as signal lines 315, 325, 335, but can also operate wirelessly.
- the control unit 5 compares the degrees of throttling of the individual control units 31, 32, 33 with the (possibly in each case) predetermined minimum throttling degrees R min .
- the power consumption of the conveyor device 4 is changed until the current degree of throttling (at least) of a throttle device is in the range R min .
- the degree of throttling is adjusted by varying the power consumption of the conveyor 4 by means of the control and regulating unit 5 so that the degree of throttling of the relevant control unit 31, 32, 33 settles to R min .
Landscapes
- Air Transport Of Granular Materials (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Claims (5)
- Installation de transport pneumatique, en particulier installation de transport de tabac coupé, qui, destinée à convoyer une matière, en particulier du tabac coupé, dans un flux gazeux, en particulier dans un flux d'air, présente une pluralité de conduites de transport (10, 11, 12), remplies de matière à transporter, et au moins un dispositif de séparation (2) pour chacune des conduites de transport (10, 11, 12), sachant que le dispositif de séparation (2) est intégré dans chacune des conduites de transport (10, 11, 12) et est conçu de telle manière que la matière à transporter soit séparée et que le flux gazeux résiduel, séparé en grande partie de la matière à transporter, poursuit son chemin dans la conduite de transport, sachant que, en aval de chaque dispositif de séparation (2), est connectée, dans la conduite de transport, une unité de réglage (31, 32, 33) qui présente un dispositif d'étranglement et est régulée de telle manière que, par réglage d'un degré d'étranglement supérieur ou égal à une valeur minimum (Rmin), une vitesse de transport prédéterminée soit réglée dans la conduite de transport (10, 11, 12) concernée, sachant que l'installation de transport présente un dispositif de transport (4) commun pour le transport de la matière à transporter dans les conduites de transport (10, 11, 12),
caractérisée en ce que
ladite installation de transport présente une installation de commande et de réglage (5) qui, communiquant avec le dispositif de transport (4), est conçue pour saisir les degrés d'étranglement momentanés et varier la performance de transport du dispositif de transport (4), sachant que, de plus, l'installation de commande et de réglage (5) est conçue pour varier la performance de transport du dispositif de transport (4) de telle manière que le degré d'étranglement d'au moins un dispositif d'étranglement se trouve respectivement dans le domaine de la valeur minimum (Rmin). - Dispositif selon la revendication 1,
caractérisée en ce que
l'installation de commande et de réglage (5) et reliée aux unités de réglage (31, 32, 33) pour la lecture des états de fonctionnement, en particulier des valeurs réelles des degrés d'étranglement des unités de réglage. - Dispositif selon revendication 1 ou 2,
caractérisé en ce que
le dispositif de transport est un compresseur qui est connecté en aval des unités de réglage (31, 32, 33). - Dispositif selon revendication 1 ou 2,
caractérisé en ce que
le dispositif de transport (4) est un convoyeur pneumatique. - Procédé d'exploitation d'une installation de transport pneumatique, en particulier selon l'une des revendications précédentes, dans lequel une matière à transporter, en particulier du tabac coupé, est convoyée dans un flux gazeux, en particulier dans un flux d'air, dans des conduites de transport (10, 11, 12). par l'intermédiaire d'un dispositif de transport (4) commun et est séparée dans des dispositif de séparation (2), le flux gazeux résiduel poursuivant son chemin, sachant que, par réglage d'un degré d'étranglement du dispositif d'étranglement prévu dans les conduites de transport (10, 11, 12), la vitesse de transport est régulée à un degré d'étranglement supérieur ou égal à une valeur minimum (Rmin),
caractérisé en ce que
les degrés d'étranglement momentanés des dispositifs d'étranglement sont constamment saisis et la performance de transport du dispositif de transport (4) est régulée de telle manière que le degré d'étranglement d'au moins l'un des dispositifs d'étranglement se trouve dans le domaine de la valeur minimum (Rmin) prédéterminée.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013004634.3A DE102013004634A1 (de) | 2013-03-15 | 2013-03-15 | Pneumatische Förderanlage |
PCT/EP2014/000688 WO2014139683A1 (fr) | 2013-03-15 | 2014-03-14 | Installation de transport pneumatique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2806757A1 EP2806757A1 (fr) | 2014-12-03 |
EP2806757B1 true EP2806757B1 (fr) | 2015-10-07 |
Family
ID=50390039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14713380.5A Active EP2806757B1 (fr) | 2013-03-15 | 2014-03-14 | Installation de transport pneumatique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2806757B1 (fr) |
CN (1) | CN105007766B (fr) |
DE (1) | DE102013004634A1 (fr) |
WO (1) | WO2014139683A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108438911B (zh) * | 2018-04-19 | 2023-11-21 | 江苏高创风电设备有限公司 | 一种补风压力窜级调节系统 |
CN108451009B (zh) * | 2018-04-19 | 2023-11-24 | 江苏高创风电设备有限公司 | 一种送丝风速窜级调节系统 |
DE102021118548A1 (de) | 2021-07-19 | 2023-01-19 | CiTEX Holding GmbH | Saugförder-Vorrichtung und Verfahren zum Saugfördern von Schüttgut |
CN115381133B (zh) * | 2022-08-30 | 2023-07-18 | 湖南核三力技术工程有限公司 | 多集丝箱连续稳定匀速风力送丝方法及系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3860031A (en) * | 1966-09-19 | 1975-01-14 | Amf Inc | Pneumatic tobacco feed system |
DE3712046C2 (de) * | 1987-04-09 | 1998-09-17 | Hauni Werke Koerber & Co Kg | Beschickungseinrichtung für Strangmaschinen der tabakverarbeitenden Industrie |
CN2568001Y (zh) * | 2002-08-27 | 2003-08-27 | 常州市智思机械制造有限公司 | 风力送丝机的风速稳定装置 |
DE10332869B4 (de) * | 2003-07-19 | 2006-03-30 | Riedel Filtertechnik Gmbh | Verfahren zum Betrieb einer Saugförderanlage und Saugförderanlage |
DE10352119A1 (de) * | 2003-11-04 | 2005-06-09 | Focke & Co.(Gmbh & Co. Kg) | Verfahren und Einrichtung zum Sichten von Tabak |
DE102006011742B3 (de) | 2006-03-13 | 2007-08-16 | Roether, Friedemann, Dr.-Ing. | Verfahren und Vorrichtung zur Regelung der Fördermenge von pneumatisch transportiertem Leichtgut |
CN201061255Y (zh) * | 2007-07-13 | 2008-05-21 | 江苏智思机械集团有限公司 | 风力送丝系统风速调节稳定装置 |
DE102008056296A1 (de) * | 2008-11-07 | 2010-05-12 | Hauni Maschinenbau Ag | Vorrichtung und Verfahren zur Zufuhr von Schnitttabak von einer Tabakaufgabeeinheit zu einer Tabakverarbeitungsmaschine |
DE102010054098A1 (de) * | 2010-12-10 | 2012-06-14 | Riedel Filtertechnik Gmbh | Regelungsanordnung für eine Zigarettenherstellungsmaschine sowie Verfahren zur Regelung des Transports des Zigarettenfüllstoffs |
CN202077564U (zh) * | 2011-05-11 | 2011-12-21 | 王烽 | 烟丝气力输送系统 |
CN202104214U (zh) * | 2011-06-17 | 2012-01-11 | 陈裕文 | 香烟卷接机组供丝部分高压通风机闭环变频控制装置 |
-
2013
- 2013-03-15 DE DE102013004634.3A patent/DE102013004634A1/de not_active Withdrawn
-
2014
- 2014-03-14 CN CN201480013482.2A patent/CN105007766B/zh not_active Expired - Fee Related
- 2014-03-14 EP EP14713380.5A patent/EP2806757B1/fr active Active
- 2014-03-14 WO PCT/EP2014/000688 patent/WO2014139683A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
DE102013004634A1 (de) | 2014-09-18 |
EP2806757A1 (fr) | 2014-12-03 |
CN105007766A (zh) | 2015-10-28 |
WO2014139683A1 (fr) | 2014-09-18 |
CN105007766B (zh) | 2017-10-31 |
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