EP0691927B1 - Entladesystem für fliessfähiges gut - Google Patents
Entladesystem für fliessfähiges gut Download PDFInfo
- Publication number
- EP0691927B1 EP0691927B1 EP94913553A EP94913553A EP0691927B1 EP 0691927 B1 EP0691927 B1 EP 0691927B1 EP 94913553 A EP94913553 A EP 94913553A EP 94913553 A EP94913553 A EP 94913553A EP 0691927 B1 EP0691927 B1 EP 0691927B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat
- liftable
- outlet member
- outlet
- discharge
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 title claims abstract description 18
- 230000009969 flowable effect Effects 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000005470 impregnation Methods 0.000 abstract description 3
- 230000000284 resting effect Effects 0.000 abstract 1
- 241000273930 Brevoortia tyrannus Species 0.000 description 12
- 238000005245 sintering Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/62—Gates or closures having closure members movable out of the plane of the opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/62—Gates or closures having closure members movable out of the plane of the opening
- B65D90/626—Gates or closures having closure members movable out of the plane of the opening having a linear motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/62—Gates or closures having closure members movable out of the plane of the opening
- B65D90/623—Gates or closures having closure members movable out of the plane of the opening having a rotational motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/54—Gates or closures
- B65D2590/542—Gates or closures special sealing means or means for improving sealing
Definitions
- the invention relates to a flowable material discharge system for controlling the discharge of flowable material such as pellets, viscous materials such as slurries, solids, powder or particles and the like from a store such as a bunker, hopper, reactor, impregnation vessel and the like.
- flowable material such as pellets, viscous materials such as slurries, solids, powder or particles and the like from a store such as a bunker, hopper, reactor, impregnation vessel and the like.
- Material such as powder or particulate material and the like is often housed in bulk in a store such as a bunker and the like, from which it is to be discharged periodically.
- bunkers or hoppers for discharging free flowing materials such as particulate or powdered materials are provided with vertically liftable cones at their outlet.
- Such liftable cones open by vertically lifting the cone against the pressure of the flowable material to be discharged on the cone.
- opening is not always possible in case of large vessels or completely filled vessels.
- Such arrangements are suitable for discharging free flowing materials, but are subject to serious problems with respect to discharging cohesive or sintering materials due to bridging, sintering and clogging of the particles. In that case lifting and vibration of the cone can cause further densification and sintering of the solids and so making flow activation even worse.
- the invention therefore provides a flowable material discharge system for a bunker which is provided at its outlet with an outlet member and a seat located underneath the said member, characterized in that the said seat is movable from a first (closed) position wherein no discharge gap between the seat and the said member exists, to a second (open) position thus making a discharge gap between the seat and the said member without lifting the member, and vice versa; and further comprising means for moving the said seat in the desired direction.
- the outlet member is (vertically) liftable and has e.g. a conical or pyramidal shape.
- bunker should not be understood in a restrictive manner, but also indicates e.g. hoppers, silos, containers, bins or solids process vessels like reactors, impregnation or washing vessels and the like.
- bunkers etc. can e.g. have a conical, cylindrical, pyramidal, prismatic or spherical shape.
- a flowable material discharge system with a(n) (inverted) cone type seat has been represented.
- the lower part of a bunker wall 1 with a cone type seat is represented.
- an outlet member e.g. in the form of a cone or pyramidal shaped body is provided in any suitable manner.
- a liftable cone 2 is applied as outlet member.
- the cone 2 can be moved up and down from a first (lower) position 2a to a second (lifted) position 2b and vice versa by any suitable cone actuating means 3 e.g. a pneumatic cylinder with a double piston rod and can be vibrated at any suitable frequency by any suitable cone vibrator 5.
- the bunker 1 is provided with a movable seat 4 located underneath the cone. The seat can be moved up and down by any suitable seat actuating means 6 from a first (upper) position (4a) to a second (lower) position (4b) and vice versa.
- the shape of the bottom edge of the cone 2 needs to be such, that in its lower position (2a) it matches the shape of the seat 4 in upper position (4a) in such a way that no gap exists.
- the cone in the lower position (2a) of the cone and the upper position (4a) of the seat the cone is pressed with its lower edge on the seat. In this situation there is no gap between seat and cone.
- Reference numeral 7 represents a support frame for supporting the cone actuating means and reference numeral 8 represents the discharge cone of the bunker.
- the seat may be of any suitable shape, e.g. pyramidal, conical, spherical, flat or tore shape.
- the seat may consist of a single part as well as of more than one individual or collective moving parts e.g. moving flaps as will be described in connection with figs. 3a, 3b below in more detail.
- Control mechanisms to position the cone 2 at positions between upper (2b) and lower (2a) position are useful (not shown for reasons of clarity).
- a level sensor e.g. a capacitive level sensor underneath the seat to prevent overfilling of the space underneath the seat is useful (not shown for reasons of clarity).
- a flowable material discharge system with a flap type seat 4'' is shown, wherein also the same reference numerals as in figs. 1 and 2 are used for representing the same members of the system.
- the seat is multi-sided and in particular 4-sided and comprises collective moving parts.
- seat flaps 4'' are connected in any suitable manner to a hinge line 9.
- a bar mechanism with over centering provided with a drive shaft 10 has been shown and the said mechanism and flap are represented in open and closed position respectively (4''b, 4''a). It will be appreciated that any suitable mechanism for moving the seat flaps can be applied
- fig. 3b a top view of the flap type seat of fig. 3a is shown.
- Hinge lines 9 and drive shafts 10 have been shown.
- Reference numeral 6a represents a seat flaps actuating means and reference numeral 11 represents any suitable coupling mechanism such as e.g. (angular) gear boxes coupling the drive shafts 10.
- Each of the sides hangs on a hinge line and is moved by bar mechanisms with over centering locking.
- the opening of the seat is adjusted with an adjustable stop in the actuator.
- the movable seat Upon request of flowable material the movable seat will be opened and solids can flow downwards via the gap between the outlet member and lowered seat.
- the outlet member can be vibrated to activate and smoothen the flow.
- the outlet member When due to bridging or sintering no flow takes place, the outlet member can be lifted and/or be vibrated to break the bridge. Vibration can be carried out at high frequencies or at a low frequency by repeatedly up and down movement of the outlet member. A very constant material flow during discharge can be achieved by vibration at high frequencies.
- the outlet member may be lowered again and normal discharge can take place.
- the seat When the level sensor underneath the seat is activated the seat may be closed or lifted in order to stop or reduce the flow to prevent overfilling below the seat.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Nozzles (AREA)
- Coating Apparatus (AREA)
Claims (20)
- Entladesystem für fließfähiges Gut für einen Bunker, der an seiner Entladeöffnung (8) mit einem separaten Auslaßelement (2) und einem unterhalb des Elements (2) angeordneten Sitz (4, 4', 4'') ausgestattet ist, wobei das Auslaßelement (2) und der Sitz (4, 4', 4'') innerhalb der Entladeöffnung (8) montiert sind, dadurch gekennzeichnet, daß der Sitz (4, 4', 4'') aus einer ersten, geschlossenen Position (4a, 4'a, 4''a), in der zwischen dem Sitz (4, 4', 4'') und dem Element (2) kein Entladespalt besteht, in eine zweite, offene Position (4b, 4'b, 4''b) bewegbar ist, wodurch zwischen dem Sitz (4, 4', 4'') und dem Element (2) ohne Anheben des Elements (2) ein Entladespalt entsteht, und umgekehrt; und weiterhin Mittel (6, 6a) zum Bewegen des Sitzes (4, 4', 4'') in der gewünschten Richtung umfaßt.
- System nach Anspruch 1, gekennzeichnet durch ein Mittel (5), mit dem das Auslaßelement (2) in Vibrationen versetzt werden kann.
- System nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Auslaßelement (2) vertikal anhebbar ist.
- System nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, daß der Sitz (4, 4') aus einem einzelnen bewegbaren Teil besteht.
- System nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, daß der Sitz (4'') aus mehr als einem bewegbaren Teil besteht.
- System nach einem der Ansprüche 1 - 5, dadurch gekennzeichnet, daß der Sitz (4, 4', 4'') eine pyramidale oder kegelige oder kugelige oder flache oder torische Form aufweist.
- System nach Anspruch 5, dadurch gekennzeichnet, daß der Sitz (4'') mehrere Seiten und insbesondere 4 Seiten besitzt.
- System nach einem der Ansprüche 3 - 7, gekennzeichnet durch Mittel zur Verhinderung einer Drehbewegung des anhebbaren Elements (2) und des Sitzes (4).
- System nach einem der Ansprüche 3 - 8, gekennzeichnet durch ein Mittel (3) zum Bewegen des anhebbaren Elements (2) in der gewünschten Richtung.
- System nach Anspruch 9, gekennzeichnet durch Steuermittel zur Positionierung des anhebbaren Elements (2) in Positionen zwischen einer ersten, oberen (2b) und einer zweiten, unteren (2a) Position.
- System nach einem der Ansprüche 1 - 10, gekennzeichnet durch Steuermittel zur Positionierung des Sitzes (4, 4', 4'') in Positionen zwischen der ersten, geschlossenen (4a, 4'a, 4''a) und der zweiten, offenen Position (4b, 4'b, 4''b).
- System nach einem der Ansprüche 1 - 11, gekennzeichnet durch Mittel zur Verriegelung des Sitzes (4, 4', 4'') in seiner geschlossenen Position.
- System nach einem der Ansprüche 1 - 12, gekennzeichnet durch einen Niveausensor unterhalb des Sitzes (4, 4', 4'').
- System nach Anspruch 5 oder 7, dadurch gekennzeichnet, daß jedes der bewegbaren Teile (4'') an einer Scharnierreihe (9) hängt.
- System nach Anspruch 14, dadurch gekennzeichnet, daß jedes der bewegbaren Teile (4'') durch einen Stangenmechanismus mit Endlagenverriegelung bewegt wird.
- System nach Anspruch 15, dadurch gekennzeichnet, daß die Stangen durch Antriebswellen (10) angetrieben werden.
- System nach Anspruch 16, dadurch gekennzeichnet, daß die Antriebswellen (10) über Getriebe (11) miteinander verbunden sind.
- System nach einem der Ansprüche 14 - 17, gekennzeichnet durch einen gemeinsamen Antrieb mit einem Pneumatikbetätigungsorgan.
- System nach Anspruch 18, dadurch gekennzeichnet, daß die Öffnung des Sitzes (4, 4', 4'') mit einem einstellbaren Anschlag in dem Betätigungsorgan (6) eingestellt wird.
- System nach einem der Ansprüche 1 - 19, dadurch gekennzeichnet, daß das Anslaßelement (2) eine kegelige oder pyramidale Form aufweist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94913553A EP0691927B1 (de) | 1993-04-07 | 1994-04-06 | Entladesystem für fliessfähiges gut |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93201039 | 1993-04-07 | ||
EP93201039 | 1993-04-07 | ||
EP94913553A EP0691927B1 (de) | 1993-04-07 | 1994-04-06 | Entladesystem für fliessfähiges gut |
PCT/EP1994/001088 WO1994022746A1 (en) | 1993-04-07 | 1994-04-06 | Flowable material discharge system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0691927A1 EP0691927A1 (de) | 1996-01-17 |
EP0691927B1 true EP0691927B1 (de) | 1996-10-30 |
Family
ID=8213753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94913553A Expired - Lifetime EP0691927B1 (de) | 1993-04-07 | 1994-04-06 | Entladesystem für fliessfähiges gut |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0691927B1 (de) |
JP (1) | JPH08508227A (de) |
KR (1) | KR960701790A (de) |
CN (1) | CN1120830A (de) |
AU (1) | AU674229B2 (de) |
BR (1) | BR9406207A (de) |
CA (1) | CA2160004A1 (de) |
DE (1) | DE69400823T2 (de) |
ES (1) | ES2094057T3 (de) |
WO (1) | WO1994022746A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ303916B6 (cs) * | 2006-05-02 | 2013-06-26 | Výzkumný ústav zemedelské techniky, v.v.i. | Zásobník sypkých látek |
CN102229203A (zh) * | 2011-05-21 | 2011-11-02 | 三一重工股份有限公司 | 搅拌站及卸料位置调整装置 |
CN106838339A (zh) * | 2017-03-17 | 2017-06-13 | 合肥固泰自动化有限公司 | 一种旋转式粉状流量控制阀 |
CN107738925B (zh) * | 2017-10-18 | 2019-08-06 | 铜陵市业永兴工贸有限责任公司 | 一种铜粉秤的给料装置 |
JP2019182468A (ja) * | 2018-04-06 | 2019-10-24 | 株式会社大日ハンソー | 粉粒体精密供給装置 |
CN112173444B (zh) * | 2020-09-03 | 2022-06-14 | 安徽鑫泉米业股份有限公司 | 一种防潮防虫的大米存储装置及其使用方法 |
CN112278896B (zh) * | 2020-10-12 | 2022-06-21 | 中山市福路祥办公设备有限公司 | 一种环保型碳粉添加装置 |
CN115448059A (zh) * | 2021-06-09 | 2022-12-09 | 菲吉乐科(山东)生物科技有限公司 | 一种基于25-oh-d3的复合维生素生产用上料仪 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2333086A1 (de) * | 1973-06-29 | 1975-01-16 | Waeschle Maschf Gmbh | Abdichtbarer verschluss fuer rohrleitungen und behaelter fuer schuett- oder fliessfaehiges gut |
AU544720B2 (en) * | 1980-10-09 | 1985-06-13 | Semenenko, I. | Controlling discharge from silo |
GB8901382D0 (en) * | 1989-01-23 | 1989-03-15 | Material Control Eng Ltd | Material handling system |
-
1994
- 1994-04-06 ES ES94913553T patent/ES2094057T3/es not_active Expired - Lifetime
- 1994-04-06 AU AU65662/94A patent/AU674229B2/en not_active Ceased
- 1994-04-06 WO PCT/EP1994/001088 patent/WO1994022746A1/en active IP Right Grant
- 1994-04-06 BR BR9406207A patent/BR9406207A/pt not_active Application Discontinuation
- 1994-04-06 JP JP6521696A patent/JPH08508227A/ja active Pending
- 1994-04-06 CN CN94191726A patent/CN1120830A/zh active Pending
- 1994-04-06 KR KR1019950704370A patent/KR960701790A/ko not_active Application Discontinuation
- 1994-04-06 CA CA002160004A patent/CA2160004A1/en not_active Abandoned
- 1994-04-06 DE DE69400823T patent/DE69400823T2/de not_active Expired - Fee Related
- 1994-04-06 EP EP94913553A patent/EP0691927B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1120830A (zh) | 1996-04-17 |
KR960701790A (ko) | 1996-03-28 |
AU674229B2 (en) | 1996-12-12 |
JPH08508227A (ja) | 1996-09-03 |
AU6566294A (en) | 1994-10-24 |
ES2094057T3 (es) | 1997-01-01 |
BR9406207A (pt) | 1996-02-06 |
CA2160004A1 (en) | 1994-10-13 |
WO1994022746A1 (en) | 1994-10-13 |
DE69400823T2 (de) | 1997-05-07 |
EP0691927A1 (de) | 1996-01-17 |
DE69400823D1 (de) | 1996-12-05 |
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