EP2806757A1 - Pneumatic conveying installation - Google Patents
Pneumatic conveying installationInfo
- Publication number
- EP2806757A1 EP2806757A1 EP14713380.5A EP14713380A EP2806757A1 EP 2806757 A1 EP2806757 A1 EP 2806757A1 EP 14713380 A EP14713380 A EP 14713380A EP 2806757 A1 EP2806757 A1 EP 2806757A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveying
- conveyor
- throttle
- conveyed
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 title abstract 5
- 241000208125 Nicotiana Species 0.000 claims abstract description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 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
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 pipes are equipped with an individual control system, as e.g. from DE 10 2006 011 742 Bl.
- 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 for the För- tion responsible pressure gradient between material entry point in the delivery pipe and the separator leads. Due to 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 a certain minimum delivery speed is maintained, regardless of the positions of the respective throttle valves.
- 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.
- 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 in such a way that it does not open as much as possible.
- the regulation according to the invention ensures that the conveying device always only receives the required energy.
- the electric motor that drives the fan can be adjusted in speed.
- FIG. 10 There, in a block diagram, the essential components of the pneumatic conveyor system according to the invention, in particular Thomastabak basicstrom shown.
- 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, the good good, especially cut tobacco, separate 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 readable.
- 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 and regulation 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 Rmin.
- the power consumption of the conveyor 4 is changed until the current degree of throttling (at least) of a throttle device in the region R m i n lies.
- the degree of throttling is adjusted by varying the power consumption of the conveyor 4 by means of the control and regulation unit 5 so that the degree of throttling of the relevant control unit 31, 32, 33 settles around R m i n .
Landscapes
- Air Transport Of Granular Materials (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013004634.3A DE102013004634A1 (en) | 2013-03-15 | 2013-03-15 | Pneumatic conveyor system |
PCT/EP2014/000688 WO2014139683A1 (en) | 2013-03-15 | 2014-03-14 | Pneumatic conveying installation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2806757A1 true EP2806757A1 (en) | 2014-12-03 |
EP2806757B1 EP2806757B1 (en) | 2015-10-07 |
Family
ID=50390039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14713380.5A Active EP2806757B1 (en) | 2013-03-15 | 2014-03-14 | Pneumatic conveying installation |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2806757B1 (en) |
CN (1) | CN105007766B (en) |
DE (1) | DE102013004634A1 (en) |
WO (1) | WO2014139683A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108338404B (en) * | 2018-04-19 | 2024-07-05 | 南京至诚信息科技有限公司 | Self-adaptive control system for wind power conveying fragile materials |
CN108438911B (en) * | 2018-04-19 | 2023-11-21 | 江苏高创风电设备有限公司 | Air supplementing pressure channeling level adjusting system |
CN108451009B (en) * | 2018-04-19 | 2023-11-24 | 江苏高创风电设备有限公司 | Wire feeding wind speed shifting level adjusting system |
DE102021118548A1 (en) | 2021-07-19 | 2023-01-19 | CiTEX Holding GmbH | Suction conveying device and method for suction conveying of bulk material |
CN115381133B (en) * | 2022-08-30 | 2023-07-18 | 湖南核三力技术工程有限公司 | Continuous stable uniform-speed wind power wire feeding method and system for multiple wire collecting boxes |
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 (en) * | 1987-04-09 | 1998-09-17 | Hauni Werke Koerber & Co Kg | Feeding device for extruders of the tobacco processing industry |
CN2568001Y (en) * | 2002-08-27 | 2003-08-27 | 常州市智思机械制造有限公司 | Wind speed stabilizer of pneuamtic wire feeder |
DE10332869B4 (en) * | 2003-07-19 | 2006-03-30 | Riedel Filtertechnik Gmbh | Method for operating a suction conveyor and suction conveyor |
DE10352119A1 (en) * | 2003-11-04 | 2005-06-09 | Focke & Co.(Gmbh & Co. Kg) | Method and device for sifting tobacco |
DE102006011742B3 (en) | 2006-03-13 | 2007-08-16 | Roether, Friedemann, Dr.-Ing. | Regulating transport quantity of pneumatically transported light material, especially tobacco or tea, involves varying suction pipe cross-section with control flap by demand/actual value equalization of absolute speed of light material |
CN201061255Y (en) * | 2007-07-13 | 2008-05-21 | 江苏智思机械集团有限公司 | Wind velocity regulation stabilizing device for wind power thread-feeding system |
DE102008056296A1 (en) * | 2008-11-07 | 2010-05-12 | Hauni Maschinenbau Ag | Apparatus and method for feeding cut tobacco from a tobacco feeding unit to a tobacco processing machine |
DE102010054098A1 (en) * | 2010-12-10 | 2012-06-14 | Riedel Filtertechnik Gmbh | Control arrangement for a cigarette manufacturing machine and method for regulating the transport of the cigarette filler |
CN202077564U (en) * | 2011-05-11 | 2011-12-21 | 王烽 | Pneumatic conveying system for cut tobaccos |
CN202104214U (en) * | 2011-06-17 | 2012-01-11 | 陈裕文 | Closed-loop frequency-variable control device for shred supply part high-pressure ventilation fan of cigarette rolling and tipping unit |
-
2013
- 2013-03-15 DE DE102013004634.3A patent/DE102013004634A1/en not_active Withdrawn
-
2014
- 2014-03-14 EP EP14713380.5A patent/EP2806757B1/en active Active
- 2014-03-14 CN CN201480013482.2A patent/CN105007766B/en not_active Expired - Fee Related
- 2014-03-14 WO PCT/EP2014/000688 patent/WO2014139683A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2014139683A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN105007766B (en) | 2017-10-31 |
CN105007766A (en) | 2015-10-28 |
EP2806757B1 (en) | 2015-10-07 |
WO2014139683A1 (en) | 2014-09-18 |
DE102013004634A1 (en) | 2014-09-18 |
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