CN101830353B - Device for conveying material by a horizontal impeller feeder - Google Patents
Device for conveying material by a horizontal impeller feeder Download PDFInfo
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- CN101830353B CN101830353B CN201010165575.0A CN201010165575A CN101830353B CN 101830353 B CN101830353 B CN 101830353B CN 201010165575 A CN201010165575 A CN 201010165575A CN 101830353 B CN101830353 B CN 101830353B
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- impeller
- impeller housing
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Abstract
The invention relates to a device for conveying material, especially conveying and/or distributing loose material by a horizontal impeller feeder. The horizontal impeller feeder comprises an impeller (1) arranged in an impeller shell (2) capable of rotating along a vertical rotary axle, wherein the material to be conveyed by the horizontal impeller feeder is guided into the impeller from the impeller shell and the material is conveyed along the horizontal direction in the impeller shell and guided out downwards from the impeller shell and the impeller shell (2) is arranged between a top plate(3) and a bottom plate (4) and composed of at least two feed ports (11) for guiding the material to be conveyed on the top plate and at least two discharge ports (12) for guiding out the material to be conveyed on the bottom plate.
Description
Technical field
The present invention relates to a kind of device of carrying material by horizontal impeller feeder.
Background technology
Revolving plow reclaimer be generally used for dripping and/or the bulk material that can flow from container (for example in circular tower bunker or the feed bin) transmit or be fed to follow-up machinery or pneumatic conveyor.With bulk material, can expect multiple different compound, with regard to its particulate matter size, contained grain until powder or grey shape thing.In addition, revolving plow reclaimer has also been born such task as the component part of the load transfer device of a complexity, be follow-up feedway and alleviate container of material pressure to be conveyed, wherein it has also guaranteed each material (particularly bulk material) continuous conveying on volume, so that dispensing accurately.In addition, revolving plow reclaimer can be realized the balance of difference of pressure usually, described difference of pressure before and after the revolving plow reclaimer ingress area and the export area between form.
The embodiment of known different horizontal impeller feeder.The present invention relates to horizontal impeller feeder, for example, in the so-called embodiment that blows feeder (Durchblasschleuse) or so-called apron feeder (Auftragsschleuse), it preferably is applicable to the conveying of powdery or grey shape bulk material.As compound to be transmitted (especially coal ash), it is input to the delivery pipe of pneumatic conveyor from the circular tower bunker.
According to prior art, the mode of action of such horizontal impeller feeder is based on by the rotor of external drive (so-called impeller), and it has comprised the rotor blade of giving determined number, places to its rotating shaft precision-fit shell.Formed the rotor lattice chamber of respective numbers between rotor blade and shell, this rotor lattice chamber further is known as the lattice chamber of the impeller of revolving plow reclaimer, and it is around the rotating shaft rotation.During impeller rotatablely moved, the material to be conveyed by horizontal impeller feeder was inhaled into by first opening as the revolving plow reclaimer inlet point, and was delivered to second opening on the inlet point one side opposite that is positioned at impeller shaft, i.e. discharging opening.This is made inlet point aim at storage container, for example upward opening and connecting with flange under the circular tower bunker is perhaps aimed at loading hopper.Discharging opening is usually aimed at the discharging connecting device that is arranged under it, is connected with other environment division by this device, for example follow-up feedway.
According to prior art, horizontal impeller feeder is typically provided with single inlet point and single discharging opening, wherein the discharging connecting device is misplaced under axis.Yet horizontal impeller feeder is assembled in like this and usually has inconvenience in the equipment.
In addition, determined transport efficiency by the amount of material to be conveyed and the rotating speed of rotor or impeller lattice chamber, described material can be taken in described impeller lattice chamber.Conveying continuous on the volume is provided under constant wheel speed, and this conveying has also realized transmitting and/or dispensing bulk material is accurate.
Further, horizontal impeller feeder is characterised in that vertical rotating shaft, and wherein material to be conveyed is carried with horizontal direction in the enclosure.In addition, this feeder has air-blast device vertically downward, is used for treating that the impeller lattice chamber of emptying is with auxiliary as what transmit.
Horizontal impeller feeder only adopts pneumatic conveying usually with the form that blows feeder, and wherein dispatchtude is direct by treating the impeller lattice chamber of emptying usually at this.
Typically, compare impeller height, revolving plow reclaimer has bigger impeller diameter and shell, inserts fully and emptying impeller lattice chamber guaranteeing.Simultaneously, owing to the loading lag that physically needs and the largest circumference speed that defines impeller in equipment for the safety factor with the equipment of carrying flammable bulk material.Theoretical delivered volume is the product of impeller lattice chamber volume and impeller rotation.Therefore corresponding desired operational throughput must be selected corresponding bigger impeller diameter.In order to reach good, effective dispense result, little shell slit is essential.Therefore, along with the diameter that progressively increases, it is more and more difficult and expensive to make outer casing member under corresponding particularity requires.On stream, continuous bulk material stream is normally necessary.Therefore, another defective of known embodiment is the dispensing scope that has limited minimum delivery intensity and realized thereupon the pulse transmission that is confined to bulk material, this is because under little revolution, before the impeller lattice chamber that the next one fills up arrives discharging opening, treat that emptying impeller lattice chamber will be emptied completely.
Summary of the invention
Therefore, the objective of the invention is to, at least effectively overcome the requirement of previously described difficulty and reply prior art.
The objective of the invention is to thus, when using horizontal impeller feeder, point out an alternative approach as the lifting of operational throughput.Another purpose particularly in, for reaching good effective dispense effect, minification requires and then keeps very little shell slit.Further purpose particularly in, reduce at a pulse effects of carrying intensity hour to occur, and enlarge the dispensing scope thus.
Device according to the described feature of claim 1 has provided solution of the present invention.Favourable further scheme and embodiment are seen dependent claims.
Correspondingly, the present invention proposes a kind of for delivery of material, the device that particularly relies on horizontal impeller feeder transmission and dispensing bulk material, it is characterized in that, impeller housing is arranged between top board and the base plate, and wherein said device comprises on the top board at least two discharging openings that are used for deriving material to be conveyed at least two inlet points being used for importing material to be conveyed and the base plate.
Be with respect to a prior art main advantage of the present invention, improved the ratio of impeller diameter and delivered volume by two inlet points on the top board and two discharging openings on the base plate, to such an extent as to compare with traditional horizontal impeller feeder, then provide double delivered volume with same construction size.
This necessity is arranged in the embodiment of reality, and namely each inlet point and each discharging opening are misplaced in rotating shaft at an angle, in order to avoid the overlapping of inlet point and discharging opening in the vertical direction.Thereby after material to be conveyed was imported into inlet point, before it left discharging opening, it was indoor to be enclosed in lattice as the valve in short-term at least, in order to realize the compensation of difference of pressure.
Aptly, the top plate section between all inlet points is all equally big and base plate sections between all discharging openings are all equally big.Because inlet point distributes in a circumferential direction equably, compare inlet point or the inlet point a plurality of, non-homogeneous setting of one-sided setting, material to be conveyed is by sucking-off circular tower bunker or loading hopper more equably and import horizontal impeller feeder.
Propose in optional embodiment, namely there is certain spacer region in discharging opening for even distribution around the vertical rotation axis setting that so distributes.This spacer region for example is the opening angle with an impeller lattice chamber of the quantity division of discharging opening.Thereby under the situation of two discharging openings, a spacer region that arranges vis-a-vis is 1/2nd of impeller lattice chamber opening angle.At this, impeller lattice chamber alternately reaches the limit of discharging opening, and is special under lower impeller rotation thus, reduced the trend that the pulsed bulk material transmits.
With respect to prior art, another significant advantage of the present invention is, has reduction, the pulse effects that for example reduces by half with respect to traditional horizontal impeller feeder.
If the discharging connecting device that will be arranged on the feed arrangement of impeller housing top and be arranged on the impeller housing below separately with the coaxial setting of impeller housing, compare the device that those have the axially spaced-apart district, device of the present invention more is easily integrated into equipment usually.
Further propose in suitable design plan, impeller housing has constituted the chamber of radial closure, to such an extent as to the impeller that is in wherein radially outward is sealed.This advantage particularly, reduced leakage air in follow-up pressure-bearing delivery duct is carried by avoiding radial gap.
If in further structure design, base plate has leak diametrically between impeller and impeller housing, this leak is equipped with the air of impeller housing to wash away passage in the discharging connecting device direction that is arranged at below the impeller housing, then especially the bulk material in the radial gap that may be deposited between impeller and the impeller housing can be removed in simple mode on the impeller of radial-sealing.
Further with especially effectively and simple mode and proposing, be provided with space bar at impeller hub with respect to the carriage of rotor shaft for adjusting the axial impeller gap, and/or between impeller housing and top board, be provided with space bar, perhaps be provided with the adjustable screw connection of top board and impeller housing.
Also have the driving driving engine that arranges in a side in actual applications, the rotor shaft of this engine drive and the coaxial setting of impeller housing, it is useful that this set proves.
The preferred drives impeller simultaneously of described rotor shaft and the mixer that is arranged on the impeller housing top.
For the protection driver element further proposes; rotor shaft is arranged on the base plate by means of bearing unit and sealing unit; and the chain drive-belt in base plate extends to rotor shaft from driving driving engine; this chain carries out proofing dust and protecting by means of a cover plate, and this cover plate is towards the discharging connecting device that is arranged on the impeller housing below.
Description of drawings
Rely on the hereinafter description to example in preferred embodiment with reference to the accompanying drawings, illustrated other feature and advantage of the present invention.In the accompanying drawing:
Fig. 1 shows sketch map according to horizontal impeller feeder of the present invention with the visual angle of side and local section;
Fig. 2 shows sketch map according to the horizontal impeller feeder of Fig. 1 with birds-eye view, omits loading hopper and mixer for the perspectivity reason; With
Fig. 3 shows the sketch map of the horizontal impeller feeder similar to horizontal impeller feeder shown in Figure 1 with birds-eye view, wherein inlet point and discharging opening so distribute around vertical axis and arrange, be and evenly be distributed with certain spacer region, omit loading hopper and mixer for the perspectivity reason.
Reference numeral
1. impeller
2. shell
3. top board
4. base plate
5. loading hopper
6. mixer
7. rotor shaft
8. driving driving engine
9. chain drive-belt
10. bearing and sealing unit
11. inlet point
12. discharging opening
13. impeller lattice chamber air-blast device and radial gap
14. the collection funnel of outlet connecting device
15. the connection pipe box of discharging connecting device
16. leak
The specific embodiment
Fig. 1 and Fig. 2 show according to horizontal impeller feeder of the present invention preferred embodiment, and described feeder is incorporated in the equipment for delivery of material, the bulk material that particularly transmits and/or provide and deliver, and described equipment is only partly illustrated in the drawings.As seen in Fig., horizontal impeller feeder has impeller 1, this impeller is arranged in the impeller housing 2, it can be around the vertical rotation axis rotation, wherein shown in the arrow that " Z " indicates, guide to impeller from the impeller housing top by horizontal impeller feeder material to be conveyed, in impeller housing, by horizontal feed, and shown in the arrow that " E " indicates, be exported downwards from impeller housing.According to the present invention, impeller housing 2 is arranged between top board 3 and the base plate 4, comprising at least two discharging openings 12 that are used for importing at least two inlet points 11 of material to be conveyed at top board and are used for discharging material to be conveyed at base plate.
Coaxial and above this impeller housing, be provided with batch meter 5 with impeller housing, and same and impeller housing coaxially is provided with the discharging connecting device below impeller housing, this discharging connecting device has collection funnel 14 in the illustrated embodiment and is connected pipe box 15, be connected with other by this connection pipe cover, yet the equipment unit that is not illustrated, for example other feedway.In addition, inlet point 11 is misplaced around rotating shaft with default angle with respect to discharging opening 12, to avoid inlet point and discharging opening overlaid in vertical direction.Horizontal impeller feeder shown in the figure thus provide central charging-and discharging zone and be specially adapted to not have press and the pressure-bearing space in the dispensing of the bulk material that can drip, described space for example is dispatchtude.
Bulk material arrives top board 3 through loading hopper 5.There described bulk material is dispensed to inlet point 11 by mixer 6.Impeller 1 is positioned at below the top board, and it is taken in bulk material and it is delivered to discharging opening 12, and this discharging opening is arranged in base plate 4.
For material mean allocation to be conveyed is also carried, the top plate section between all inlet points is suitable same big, and the base plate section between all discharging openings is big equally.
In the embodiment that illustrates, top board 3 has two and the inlet point 11 that preferably is oppositely arranged, and described base plate also has two discharging openings that are oppositely arranged basically 12, is misplaced around rotating shaft with respect to inlet point 11 yet discharging opening is suitable with being about 90 ° of angles.
Bulk material is evenly distributed into two inlet points by mixer 6, thereby impeller 1 is delivered to two discharging openings that are oppositely arranged 12 with about 90 ° hand of rotation at horizontal surface with the bulk material of taking in.
In the embodiment according to the conversion of Fig. 3, two inlet points 11 and two discharging openings 12 still are provided again, and charging-and discharging opening 11 and 12 be set to so distribute around vertical axis, be to be evenly distributed and have certain spacer region.Described spacer region at this preferably corresponding to an impeller lattice chamber opening angle of dividing with the quantity of discharging opening.According to Fig. 3, the discharging opening 12 that is oppositely arranged accurately is offset with 1/2nd of impeller lattice chamber opening angle α.
Therefore, bulk material is dispensed into two inlet points by mixer 6, thereby described impeller 1 is delivered to two discharging openings 12 with about 90 ° anglec of rotation at horizontal surface from inlet point with the bulk material of taking in.Advance-and the spacer region of α/2 of discharging opening by every pair, the limit of discharging opening is alternately arrived in described impeller lattice chamber, and wherein particularly in low impeller rotation, the trend that the bulk material of pulsed is carried is lowered.
For the residue emptying of impeller lattice chamber, the lattice chamber is utilized pressure air supportive device 13 to come emptying by the blast hole that arranges at discharging opening.Pressure air can be aptly from wherein obtaining under the situation of existing pneumatic conveying pipeline.Therefore bulk material arrives discharging-collection funnel 14 and leaves this device at discharging-connection pipe box 15.
Impeller drives by rotor shaft 7 with mixer aptly.A driving driving engine 8 that preferably is arranged on a side drives chain drive-belt 9, and this chain is drives rotor shaft again.Rotor shaft for the protection need with bearing-and sealing unit 10 be arranged on the base plate.Be used for like this providing the bearing that is arranged on base plate of enough protective effects-and sealing unit design structurally be known for those skilled in the art, so its details does not repeat them here.Chain drive-belt preferably turns round in base plate and is subjected to proofing dust and protecting by the cover plate towards collection funnel 14.
Space bar is equipped with at impeller hub with respect to the carriage of rotor shaft especially for adjusting the axial impeller slit.This space bar can be adjusted down the slit yardstick.The last slit yardstick of top board similarly can be adjusted by the space bar between shell and the top board or by adjustable screw connection in simple mode.
Has conclusive advantage with respect to prior art the present invention.At least double charging and discharging embodiment can obtain higher transport efficiency and reduce cost significantly under same construction size.Thereby than being set to one-sided inlet point, two inlet points that are oppositely arranged are with material sucking-off more equably from circular tower bunker or loading hopper.With certain angle, for example be misplaced the discharging opening that is oppositely arranged with 1/2nd impeller lattice chamber opening angle, will reduce the trend that pulse transmits under the little conveying intensity and under certain construction size, enlarge possible dispensing scope therefrom.In addition, compare those devices that have the axially spaced-apart district, have flow processing mechanical structures easier being incorporated in the equipment usually in the input and output material zone of axial setting.
Further advantageously, device according to the present invention has the impeller of radial-sealing, so as when in the pressure-bearing delivery duct, to carry by avoiding radial gap to reduce leakage air.Based on the described leak in base plate, the direction of its discharging-connecting device below impeller housing provides a plurality of air to wash away passage, yet can with quite simple mode by air wash away with between impeller and the impeller housing in radial gap, the bulk material deposition that for example may occur in the discharging collection funnel 14 shown in the accompanying drawing is disposed.
The present invention has further realized, for example in coal ash dispensing scope, reduces the manufacturing cost of case member and impeller under same transport efficiency prerequisite.
Claims (10)
1. device that utilizes horizontal impeller feeder to carry material, wherein said horizontal impeller feeder comprises the impeller (1) that is arranged in the impeller housing (2), described impeller is around with respect to the horizontal plane vertical rotating shaft rotation, wherein import described impeller by horizontal impeller feeder material to be conveyed from the impeller housing top, in described impeller housing, carry with horizontal direction and derive downwards from described impeller housing, it is characterized in that, described impeller housing (2) is arranged between top board (3) and the base plate (4), wherein said device comprises on the top board for two discharging openings (12) that are used for deriving material to be conveyed on two inlet points (11) that import material to be conveyed and the base plate at least at least, and, described impeller housing has constituted the chamber of radial closure, to such an extent as to the described impeller that is in this impeller housing radially outward is sealed, wherein, described base plate has leak (16) diametrically between impeller and impeller housing, the discharging connecting device (14 of described leak below being arranged at described impeller housing, 15) be equipped with the air of impeller housing to wash away passage on the direction.
2. device according to claim 1 is characterized in that, the top plate section between all described inlet points is all equally big, and the base plate section between all described discharging openings is all equally big.
3. device according to claim 1 is characterized in that, described inlet point (11) so distributes around with respect to the horizontal plane vertical described rotating shaft with described discharging opening (12) and arranges, and namely has certain spacer region for even distribution.
4. device according to claim 3 is characterized in that, described spacer region is corresponding to the opening angle of an impeller lattice chamber of being divided by described discharging opening (12) quantity.
5. according to any described device in the claim 1 to 4, it is characterized in that, be arranged on the feed arrangement (5) of described impeller housing top and be arranged on below the described impeller housing discharging connecting device (14,15) separately with the coaxial setting of described impeller housing.
6. device according to claim 1 is characterized in that, for adjusting axial impeller slit, the carriage of the rotor shaft with respect to drives impeller of impeller hub (7) is provided with space bar.
7. according to claim 1 or 6 described devices, it is characterized in that, be provided with space bar for adjusting axial impeller slit between described impeller housing and top board, perhaps be provided with adjustable screw connection, described screw connection is used for described top board and is threaded with described impeller housing.
8. according to the described device of aforementioned claim 6, it is characterized in that, be provided with in a side of described device and drive driving engine (8), the described rotor shaft of described driving engine drive and the coaxial setting of impeller housing.
9. according to the described device of aforementioned claim 6, it is characterized in that described rotor shaft also drives the mixer (6) that is arranged on described impeller housing top.
10. device according to claim 6; it is characterized in that; described rotor shaft is arranged on the base plate by means of bearing and sealing unit (10); chain drive-belt (9) in the described base plate extends to rotor shaft from driving driving engine; described chain carries out proofing dust and protecting by means of a cover plate, and described cover plate is towards the described discharging connecting device (14,15) that is arranged on described impeller housing below.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EPPCT/EP2010/002248 | 2010-04-12 | ||
| DE102010014691 | 2010-04-12 | ||
| PCT/EP2010/002248 WO2011127937A1 (en) | 2010-04-12 | 2010-04-12 | Apparatus for conveying material by means of a horizontal rotary vane feeder |
| DE102010014691.9 | 2010-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101830353A CN101830353A (en) | 2010-09-15 |
| CN101830353B true CN101830353B (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010165575.0A Active CN101830353B (en) | 2010-04-12 | 2010-04-30 | Device for conveying material by a horizontal impeller feeder |
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| Country | Link |
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| CN (1) | CN101830353B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102271288A (en) * | 2011-08-09 | 2011-12-07 | 宋健 | Method for designing OTT TV (over-the-top television) oriented multimodal remote control device |
| AT515028B1 (en) * | 2013-10-15 | 2015-08-15 | Bartling Werner | Discharge device for granules |
| CN106032202B (en) * | 2015-03-18 | 2019-03-19 | 辽宁格瑞自动化设备有限公司 | A kind of discharge mouth structure |
| CN109250171B (en) * | 2018-08-29 | 2023-12-01 | 上海钦典机械制造有限公司 | Method for adding materials into slender packaging strip |
| DE102019205736A1 (en) * | 2019-04-18 | 2020-10-22 | Benninghoven Gmbh & Co. Kg | Dosing device for coal dust |
| CN109987417B (en) * | 2019-04-28 | 2024-03-12 | 江苏沃尔夫智能科技有限公司 | Rotary valve |
| CN111307225B (en) * | 2020-02-11 | 2022-02-08 | 广东博智林机器人有限公司 | Flow monitor, cloth machine and cloth operating system |
| CN112455741B (en) * | 2020-11-29 | 2022-10-25 | 嘉施利（荆州）化肥有限公司 | Bagging-off weight accurate control device and compound fertilizer production facility |
| CN113148662A (en) * | 2021-05-08 | 2021-07-23 | 秦皇岛开发区春光铸造机械有限公司 | Star type lock gas feed divider |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1973975U (en) * | 1966-02-22 | 1967-11-30 | Gruen K G Geb | SILO DISCHARGE DEVICE. |
| DE4031156A1 (en) * | 1990-09-08 | 1992-03-12 | Motan Verfahrenstechnik | Bucket wheel valve for dispensing loose material - has vertical shaft, with fixed radial blades, rotor, and annular casing |
| CN2589427Y (en) * | 2002-11-10 | 2003-12-03 | 吕荣兴 | Even discharge leaf wheel loader |
| CN2590988Y (en) * | 2002-12-13 | 2003-12-10 | 江苏正昌粮机股份有限公司 | Materials dispenser |
| EP1900659A1 (en) * | 2006-09-13 | 2008-03-19 | Schenck Process GmbH | Discharge device for removing bulk goods from a bulk goods container |
-
2010
- 2010-04-30 CN CN201010165575.0A patent/CN101830353B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1973975U (en) * | 1966-02-22 | 1967-11-30 | Gruen K G Geb | SILO DISCHARGE DEVICE. |
| DE4031156A1 (en) * | 1990-09-08 | 1992-03-12 | Motan Verfahrenstechnik | Bucket wheel valve for dispensing loose material - has vertical shaft, with fixed radial blades, rotor, and annular casing |
| CN2589427Y (en) * | 2002-11-10 | 2003-12-03 | 吕荣兴 | Even discharge leaf wheel loader |
| CN2590988Y (en) * | 2002-12-13 | 2003-12-10 | 江苏正昌粮机股份有限公司 | Materials dispenser |
| EP1900659A1 (en) * | 2006-09-13 | 2008-03-19 | Schenck Process GmbH | Discharge device for removing bulk goods from a bulk goods container |
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| CN101830353A (en) | 2010-09-15 |
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