EP1372858A2 - Einrichtung zum zuführen von material - Google Patents
Einrichtung zum zuführen von materialInfo
- Publication number
- EP1372858A2 EP1372858A2 EP02737910A EP02737910A EP1372858A2 EP 1372858 A2 EP1372858 A2 EP 1372858A2 EP 02737910 A EP02737910 A EP 02737910A EP 02737910 A EP02737910 A EP 02737910A EP 1372858 A2 EP1372858 A2 EP 1372858A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- webbing
- double
- double belt
- vertical mill
- sealing
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
Definitions
- the invention relates to a device for feeding material into a container according to the preamble of claim 1.
- the invention is particularly suitable for the material feed of containers and devices in which the material is stored, processed or processed under negative or positive pressure.
- a preferred area of application is grinding plants in which raw material is fed to vertical mills with air flow conveying, for example air flow roller mills, with the aid of conveying devices and a feed device for grinding.
- FIG. 1 shows a partial view of a grinding plant 2 in the area of an airflow roller mill as a vertical mill 6 with airflow conveyance.
- a rotary feeder 45 is used as the feed device for the regrind to be ground, which is fed from a silo 37 to a conveyor 43.
- the cellular wheel sluice 45 is arranged above a classifying ceiling 46 of the vertical mill 6.
- the regrind (not shown) reaches the grinding chamber 12 of the vertical mill 6 via an inlet chute 47.
- FIG. 1 illustrates the considerable height of the building, the structural components required and the length of the conveyor 43, which increase the total cost of the grinding system.
- the feed device From AT-PS 400 684 a device for feeding raw coal to a pressurized mill is known.
- the feed device has a first conveyor line after a silo, then a feed hopper, a second conveyor line, an intermediate bunker and a third conveyor line.
- the third conveyor line is a trough chain conveyor, which serves as an allotment element and is completely arranged in a pressure-shock-proof housing.
- the raw coal from the third conveyor passes through a feed shaft that opens into the middle of the classifier's ceiling. pipe into the mill.
- the entire feed device has a relatively large overall height due to the stacked bunkers and horizontally arranged three delivery lines and requires a corresponding investment, assembly and energy expenditure.
- An elevator conveyor for bulk goods with two endless conveyor belts which lie against one another at their longitudinal edges and at least one of which runs in a vertical area within an air box is known from DE 27 26 038 C2.
- sealing strips and pretensioning means fastened to the air box are provided.
- a double belt conveyor is known from DE 34 32 553 AI.
- the shroud belt has longitudinal and transverse reinforcements between which dents are formed to accommodate the goods to be conveyed.
- the dents or conveying spaces are closed on the other side by the second flat belt of the conveyor belt.
- Continuous longitudinal guides consist of U-shaped steel profile sections and ensure the necessary sealing of the delivery rooms.
- the invention is based on the object of creating a device for feeding material into a container, in particular raw material to be comminuted into a vertical mill, which has a particularly simple and cost-saving construction and an optimized material feed and an efficient grinding and classifying process. zess enables. According to the invention the object is achieved by the characterizing features of claim 1. Useful and advantageous configurations are contained in the subclaims and in the description of the figures.
- a basic idea of the invention can be seen in forming a feeding device for receiving an end region of a conveying device for the material and incorporating the feeding device with the end region of the conveying device accommodated therein into the pressure system of the container, for example a vertical mill with air flow conveying.
- a double belt conveyor is used as the conveying device for the raw material, which is connected at the end to a correspondingly designed lock as a feeding device.
- the feed device according to the invention means that material locks, such as two-flap or three-flap locks or cellular wheel locks, are no longer required and considerable cost savings are achieved in the area of construction, mechanical equipment and the associated electrical equipment.
- a lock that can be integrated on a double belt conveyor can be designed as a sandwich lock, which has an extraordinarily simple construction and a relatively low overall height in comparison to the known material locks. This also reduces manufacturing and assembly costs. It is particularly advantageous that the device allows the material to be fed in and fed in from the side and saves about 7 to 8 m of building height can be. Further advantages are associated with the possible continuous material conveying and feeding, the conveying being possible horizontally, vertically and / or obliquely at any angle of inclination. While in the known material locks a discontinuous material entry takes place, a continuous material flow entry can be realized with the conveying-task unit according to the invention. This results in possibilities for optimizing a plant and in particular a grinding and classifying process in a grinding plant, which leads to a reduction in energy consumption and significant ecological advantages.
- the sandwich lock with a gas-tight and / or pressure-tight housing which adjoins the rear of a container wall or a mill housing and is connected to the grinding and / or classifying chamber of the mill via a feed opening.
- the deflection drums are expediently designed to be complementary to the belt straps and are arranged offset in the sandwich lock in such a way that the upper belt strap is arranged in front of the lower deflection drum to release the material in the conveying device.
- the lower deflection drum serves as a dropping device for the material and is arranged in such a way to the feed opening in the container or in the vertical mill that the material gets into the feed opening and the container or the vertical mill.
- the belt straps are trough-shaped between the edge-side, essentially flat overlapping areas and are mirror-inverted with their overlapping areas, a cross-sectionally biconvex receiving space for the material to be transported is formed, which can be sealed particularly easily.
- seals are in the area of a passage opening for the double webbing with enclosed material and a lower and upper slit-shaped opening for the lower and upper deflected and returned webbing required.
- Labyrinth seals are expediently provided for the returning upper webbing and for the returning lower webbing.
- the passage opening arranged between the slot openings is advantageously designed to be height-adjustable at least in an upper sealing area for adaptation to a differently curved upper belt webbing.
- sealing lamellae can be provided be which can be pressed resiliently or rubbing against the upper webbing of the double webbing.
- the lower webbing is expediently relatively stable and provided with a constant trough for receiving the material. In order to maintain the trough-shaped design even with the deflected and retracted lower belt webbing, it makes sense to arrange support rollers accordingly.
- a labyrinth seal can be arranged as a seal.
- the passage opening and the lower and the upper slot opening can be designed to be complementary to the cross section of the double webbing and to the deflected lower and upper webbing, regardless of the seals used. It is particularly advantageous that the use of a double belt strap and a sandwich lock in the area of a feed opening allows the raw material to be fed into the container or grinding chamber in a freely falling or forced manner. An adjustable speed of the double belt depending on the distance of the lower pulley from the feed opening allows the raw material to go directly to the center of the mill.
- the main advantages of the device according to the invention are less constructional and machine-related expenditure for the material feed due to the possible arrangement of the sandwich lock above the grinding rollers in a lateral area of the mill housing or also in the connection area between the mill and classifier housing.
- the production engineering effort and the assembly effort for the sandwich lock and the double belt conveyor are relatively low.
- Another advantage is that the double belt conveyor, which can be arranged horizontally, vertically and at any angle of inclination, ensures continuous material feeding. In order to associated is a lower energy consumption of the facility and an optimized grinding and classifying process.
- Fig. 1 is a partial view of a grinding plant with a
- Feeding device for raw material according to the prior art
- FIG. 2 shows a partial view of a grinding plant with a feed device according to the invention
- Fig. 3 is a perspective view of a feed device according to the invention on a wall of a container and shown in sections
- Fig. 4 is a highly schematic representation of a
- Double webbing with enclosed material and a deflected lower and upper webbing Double webbing with enclosed material and a deflected lower and upper webbing.
- the partial view of a grinding plant 2 shown in FIG. 2 initially has, analogously to FIG. 1, which is described in the prior art, an airflow roller mill as a vertical mill 6 with airflow conveying and silos 37 in which the material to be comminuted in the vertical mill 6 is stored on.
- the feed device according to the invention has a double belt conveyor 3 as the conveying device and a lock (adapted to the double belt conveyor 3) as the feed device for the material brought in with the double belt conveyor 3, which is referred to below as the sandwich lock 5.
- This sandwich lock 5 is gas and / or pressure-tight in the area of a feed opening 11 (see FIG. 3) on the housing 10 of the vertical mill 6.
- the double belt conveyor 3 in the area of the silos 37 has a lower horizontal conveying area 30, which is adjoined by a vertical conveying area 31 which extends over an upper horizontal conveying area 32 into the sandwich lock 5.
- the double belt conveyor 3 can be aligned according to the particular circumstances and requirements of the system and, for example, also be arranged vertically and / or obliquely at any angle of inclination and / or horizontally over the entire conveying path.
- FIGS. 3 and 4 illustrate the design and arrangement of a sandwich lock 5 on a vertical mill 6 with air flow conveyance, only a region of the housing 10 being shown of the vertical mill 6.
- the sandwich lock 5 is box-shaped and has a housing 8 with an end face 28, which has an opening 23 for the double webbing 13 with an enclosed and, in particular, an airtight seal Material 4 (see Fig. 4).
- An end region 7 of the double belt conveyor 3 is arranged within the housing 8 and thus included in the pressure system of the sandwich lock 5 and the vertical mill 6 via the feed opening 11.
- the double webbing 13 with the material accommodated therein and the sandwich lock 5 are sealed, the sandwich lock 5 being shown in FIG. 3 without a front side wall in order to show the formation of the end region 7 and the deflection of the double webbing 13 ,
- the double webbing 13 has a lower webbing 14 and an upper webbing 15.
- the lower 14 and the upper webbing 15 are trough-shaped and lie mirror-symmetrically on top of one another in the region of material-free overlap areas 19, so that a receiving space 20 with a biconvex cross section is formed (see also Fig. 4).
- suitable sealing devices which are expediently arranged in front of the sandwich lock 5 (not shown), the double webbing 13 is preferably sealed several times so that the entry of false air into the sandwich lock 5 and into the vertical mill 6 can largely be ruled out.
- the end region 7 of the double belt conveyor 3 accommodated within the sandwich lock 5 has a lower deflection drum 17, which is arranged relatively close to the feed opening 11.
- An upper pulley 18 for the upper webbing 15 is arranged offset, so that the material lying on the lower webbing 14 (not shown) reaches a discharge point formed by the pulley 17 and depending on the speed of the double webbing 13 and depending on the distance to the feed opening 11 is dropped almost centrally into the vertical mill 6.
- the deflecting drums 17, 18 are designed to be complementary to the trough-shaped and mirror-symmetrical belt straps 14, 15. Corresponding to the almost flat material-free overlap regions 19, the deflection drums 17, 18 are provided with circular cylindrical end regions 21, while between the circular cylindrical end regions 21 complementary to the trough-shaped belt straps 14, 15, the deflection drums 17, 18 are designed almost as a single-shell hyperboloid.
- seals are provided, of which in 3 only an upper sealing area 34 of a seal 33 of the passage opening 23 and a lower sealing area 35 are shown.
- the upper sealing area 34 has height-adjustable sealing lamellae which rest resiliently or rubbingly on the upper sealing band 15.
- the lower sealing area 35 of the seal 33 is only partially shown. Seals of the lower slot opening 24 and the upper slot opening 25 are not shown. These seals and the lower sealing area 35 can in particular be designed as a labyrinth seal.
- FIG. 4 shows the design and arrangement of the double webbing 13 between the upper, deflected webbing 15 and the undersidenic, deflected belt strap 14.
- support rollers 26 are arranged to support the trough-shaped region of the deflected lower strap 14.
- the upper deflected belt strap 15 does not require any deflection rollers.
- the double webbing 13 between the deflected lower and upper webbing 14, 15 has the regrind 4 to be fed in the receiving space 20, which is biconvex in cross section.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Structure Of Belt Conveyors (AREA)
- Disintegrating Or Milling (AREA)
- Vending Machines For Individual Products (AREA)
- Crushing And Grinding (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Centrifugal Separators (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK02737910T DK1372858T3 (da) | 2001-04-03 | 2002-04-02 | Indretning til materialetilförsel |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10116550 | 2001-04-03 | ||
DE10116550A DE10116550B4 (de) | 2001-04-03 | 2001-04-03 | Einrichtung zum Zuführen von Material |
PCT/EP2002/003636 WO2002081090A2 (de) | 2001-04-03 | 2002-04-02 | Einrichtung zum zuführen von material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1372858A2 true EP1372858A2 (de) | 2004-01-02 |
EP1372858B1 EP1372858B1 (de) | 2004-12-01 |
Family
ID=7680189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02737910A Expired - Lifetime EP1372858B1 (de) | 2001-04-03 | 2002-04-02 | Einrichtung zum zuführen von material |
Country Status (12)
Country | Link |
---|---|
US (1) | US6896213B2 (de) |
EP (1) | EP1372858B1 (de) |
JP (1) | JP4026842B2 (de) |
KR (1) | KR100868826B1 (de) |
CN (1) | CN1265889C (de) |
AT (1) | ATE283730T1 (de) |
AU (1) | AU2002312787A1 (de) |
CA (1) | CA2445424C (de) |
DE (2) | DE10116550B4 (de) |
DK (1) | DK1372858T3 (de) |
ES (1) | ES2233825T3 (de) |
WO (1) | WO2002081090A2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10116550B4 (de) * | 2001-04-03 | 2005-06-02 | Loesche Gmbh | Einrichtung zum Zuführen von Material |
DE102005010700A1 (de) * | 2005-03-09 | 2006-09-14 | Studiengesellschaft Kohle Mbh | Verfahren zur Synthese von Verbindungen |
DE102009007481A1 (de) * | 2009-01-30 | 2010-09-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Fördersystem zum Transport von Materialien, insbesondere von Schüttgut |
US9643800B2 (en) * | 2013-02-23 | 2017-05-09 | Phillip Douglas | Horizontal support system |
CN109250474A (zh) * | 2018-11-01 | 2019-01-22 | 温州金余塑胶板有限公司 | 一种眼镜板材清洗设备 |
CN110899212A (zh) * | 2019-12-24 | 2020-03-24 | 江苏奥星电子有限公司 | 一种铝壳的自动化清洗装置 |
JP2023525685A (ja) * | 2020-04-29 | 2023-06-19 | フィデテクノロジー エルディーエイ | 粒子状材料を粉砕する装置及び方法 |
EP3903940A1 (de) * | 2020-04-29 | 2021-11-03 | Mads Jespersen | Vorrichtung zur herstellung von zement und verfahren zum mahlen von teilchenförmigem material |
CN111545327B (zh) * | 2020-05-19 | 2021-09-17 | 铜仁职业技术学院 | 一种矿石加工装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2833481A (en) * | 1955-09-15 | 1958-05-06 | Shawinigan Chem Ltd | Method of breaking compressed acetylene black |
AT292533B (de) * | 1969-07-14 | 1971-08-25 | Austria Tabak Werke Ag Vorm Oe | Vorrichtung zur Erzielung einer möglichst gleichmäßigen Schneidleistung für bzw. an Tabakschneidemaschinen |
US4059235A (en) * | 1976-05-28 | 1977-11-22 | Bryant-Poff, Inc. | Shredding device |
IL49821A (en) * | 1976-06-17 | 1983-03-31 | Moledeth Dev Co Ltd | Elevator-conveyor for bulk material |
DE3000153A1 (de) * | 1980-01-04 | 1981-07-09 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Zufuehrvorrichtung fuer eine tabakschneidmaschine |
US4312677A (en) * | 1980-02-12 | 1982-01-26 | Intercane Systems, Inc. | Apparatus for separating the components of plant stalks |
DE3432553A1 (de) * | 1984-09-05 | 1986-03-13 | Friedrich Wilh. Schwing Gmbh, 4690 Herne | Doppelgurtbandfoerderer |
DE8805885U1 (de) * | 1988-05-03 | 1988-07-14 | Krupp Polysius Ag, 59269 Beckum | Mühle mit Absperrklappe |
DE3903325A1 (de) * | 1989-02-04 | 1990-08-09 | Bezner Maschf | Verfahren zum rueckgewinnen von wertstoffen, insbesondere aus baustellenabfaellen und anlage zum durchfuehren des verfahrens |
DE4302637A1 (de) * | 1993-01-30 | 1994-08-04 | Babcock Energie Umwelt | Vorrichtung zum Zuführen von Rohkohle zu einer Mühle |
US6135374A (en) * | 1999-10-08 | 2000-10-24 | Mursen Environmental, Inc. | Food by-product processing apparatus |
US6588688B1 (en) * | 2000-08-03 | 2003-07-08 | Weima Maschinenbau Gmbh | Grinder for comminuting waste material |
DE10116550B4 (de) * | 2001-04-03 | 2005-06-02 | Loesche Gmbh | Einrichtung zum Zuführen von Material |
EP1338531B1 (de) * | 2002-02-21 | 2004-07-28 | Innova Patent GmbH | Anlage zur Förderung von Schüttgütern |
KR200419250Y1 (ko) | 2006-03-31 | 2006-06-16 | 주식회사 에이원코리아 | 합성수지원료의 분쇄 및 이송장치 |
-
2001
- 2001-04-03 DE DE10116550A patent/DE10116550B4/de not_active Expired - Fee Related
-
2002
- 2002-04-02 AT AT02737910T patent/ATE283730T1/de not_active IP Right Cessation
- 2002-04-02 WO PCT/EP2002/003636 patent/WO2002081090A2/de active IP Right Grant
- 2002-04-02 CA CA002445424A patent/CA2445424C/en not_active Expired - Fee Related
- 2002-04-02 DK DK02737910T patent/DK1372858T3/da active
- 2002-04-02 CN CNB028112156A patent/CN1265889C/zh not_active Expired - Fee Related
- 2002-04-02 JP JP2002579123A patent/JP4026842B2/ja not_active Expired - Fee Related
- 2002-04-02 DE DE50201679T patent/DE50201679D1/de not_active Expired - Lifetime
- 2002-04-02 EP EP02737910A patent/EP1372858B1/de not_active Expired - Lifetime
- 2002-04-02 US US10/474,234 patent/US6896213B2/en not_active Expired - Fee Related
- 2002-04-02 KR KR1020037012976A patent/KR100868826B1/ko not_active IP Right Cessation
- 2002-04-02 AU AU2002312787A patent/AU2002312787A1/en not_active Abandoned
- 2002-04-02 ES ES02737910T patent/ES2233825T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO02081090A2 * |
Also Published As
Publication number | Publication date |
---|---|
US6896213B2 (en) | 2005-05-24 |
DE10116550B4 (de) | 2005-06-02 |
JP2004534634A (ja) | 2004-11-18 |
JP4026842B2 (ja) | 2007-12-26 |
WO2002081090A2 (de) | 2002-10-17 |
DE50201679D1 (de) | 2005-01-05 |
US20040140177A1 (en) | 2004-07-22 |
DE10116550A1 (de) | 2002-10-17 |
KR20030094319A (ko) | 2003-12-11 |
EP1372858B1 (de) | 2004-12-01 |
DK1372858T3 (da) | 2005-03-29 |
ATE283730T1 (de) | 2004-12-15 |
CA2445424C (en) | 2007-09-04 |
ES2233825T3 (es) | 2005-06-16 |
CN1265889C (zh) | 2006-07-26 |
CA2445424A1 (en) | 2002-10-17 |
AU2002312787A1 (en) | 2002-10-21 |
CN1531462A (zh) | 2004-09-22 |
WO2002081090A3 (de) | 2003-01-03 |
KR100868826B1 (ko) | 2008-11-14 |
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