CN108144471B - Combined rotor impeller and flotation machine - Google Patents

Combined rotor impeller and flotation machine Download PDF

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Publication number
CN108144471B
CN108144471B CN201810153668.8A CN201810153668A CN108144471B CN 108144471 B CN108144471 B CN 108144471B CN 201810153668 A CN201810153668 A CN 201810153668A CN 108144471 B CN108144471 B CN 108144471B
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CN
China
Prior art keywords
blade
silk screen
blades
strips
rotating shaft
Prior art date
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Active
Application number
CN201810153668.8A
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Chinese (zh)
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CN108144471A (en
Inventor
郭天宇
黄松宇
姚心
张颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China ENFI Engineering Corp
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China ENFI Engineering Corp
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201810153668.8A priority Critical patent/CN108144471B/en
Publication of CN108144471A publication Critical patent/CN108144471A/en
Application granted granted Critical
Publication of CN108144471B publication Critical patent/CN108144471B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/074—Stirrers characterised by their mounting on the shaft having two or more mixing elements being concentrically mounted on the same shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
    • B01F27/1155—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis with interconnected discs, forming open frameworks or cages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/119—Stirrers with rigid wires or flexible rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1418—Flotation machines using centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a combined rotor impeller and a flotation machine. The paddle is fixed in the pivot, and the blade subassembly is established in the pivot, and blade subassembly and paddle are along the axial distribution of pivot. The blade assembly comprises a blade, two fixed discs and silk screen packing, the blade is arranged on the rotating shaft, the two fixed discs are fixedly connected to the two axial sides of the blade, and the silk screen packing is filled between the two fixed discs and the blade. According to the combined rotor impeller provided by the embodiment of the invention, as the blades and the vanes for stirring the materials and the silk screen seasonings for cutting and crushing the materials are arranged, the influence range of the stirring paddles is enlarged, the circulation capacity of ore pulp is enhanced, the air bubble distribution is optimized, and the ore particle adsorption rate and the collection rate are improved.

Description

Combined rotor impeller and flotation machine
Technical Field
The invention relates to the field of ore smelting equipment, in particular to a combined rotor impeller for a flotation machine and the flotation machine.
Background
The flotation machine is a common device for mineral separation technology and has wide application at home and abroad. The flotation machine can be applied to mine projects, and tailings treatment has a broad market prospect in smelting plants. The flotation machine is driven by a motor V-belt to drive the impeller to rotate, and under the action of centrifugal force of the impeller, the centrifugal force is generated to form negative pressure, on one hand, sufficient air is inhaled to mix with ore pulp, on the other hand, the ore pulp is stirred to mix with the medicine, and meanwhile, foam is thinned, so that the mineral is adhered to the foam, floats to the pulp surface and then forms mineralized foam. The height of the flashboard is regulated, the liquid level is controlled, and useful foam is scraped by the scraping plate.
Along with the increasing demand of economic development on mineral resources and the continuous worsening of mineral conditions, the difficulty of mineral separation is further increased while the scale of a concentrating mill is enlarged, the circulation capability of the ore pulp of the existing large-scale flotation machine is poor, the ore pulp streamline is unreasonable, the efficiency is low, and the reason for the problem is that the traditional stirring paddles are single, are not easy to stir uniformly, reduce the stirring efficiency and have large energy consumption. Therefore, the structure of the stirring paddle of the flotation machine is optimally designed, so that the circulation capacity of ore pulp and the adsorption and collection capacity of generated bubbles to ore particles are further enhanced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the combined rotor impeller, which reduces stirring blind areas and ensures the circulation capacity of ore pulp and the contact area of gas phase and liquid phase.
A modular rotor wheel according to an embodiment of the present invention comprises: a rotating shaft; the blade is fixed on the rotating shaft; blade subassembly, the blade subassembly is established in the pivot, the blade subassembly with the paddle is followed the axial distribution of pivot, the blade subassembly includes: the blade is arranged on the rotating shaft; the two fixing discs are fixedly connected to two axial sides of the blade; and the silk screen packing is filled between the two fixed discs and the blade.
According to the combined rotor impeller provided by the embodiment of the invention, as the blades and the vanes for stirring the materials and the silk screen seasonings for cutting and crushing the materials are arranged, the influence range of the stirring paddles is enlarged, the circulation capacity of ore pulp is enhanced, the air bubble distribution is optimized, and the ore particle adsorption rate and the collection rate are improved.
In some embodiments, the wire mesh filler comprises: and two ends of the longitudinal silk screen strip are respectively connected to the two fixing discs.
In some alternative embodiments, the longitudinal wire mesh strips are each formed in a cylindrical shape and the longitudinal wire mesh strips have a diameter of 5mm.
In some alternative embodiments, the longitudinal wire mesh strips are a plurality, and the distance between two adjacent longitudinal wire mesh strips is 5mm.
In some embodiments, the blade is formed as a rectangle and the blade is fan-shaped.
In some embodiments, the plurality of blades is arranged uniformly around the rotating shaft.
In some embodiments, each of the fixing plates includes a straight plate section provided with a through hole through which the rotation shaft passes, and inclined plate sections of the two fixing plates respectively extend obliquely from outer edges of the respective straight plate sections in directions toward each other.
Specifically, the included angle between the extending direction of the inclined plate section and the extending direction of the straight plate section is 15 °.
The flotation machine according to the embodiment of the invention comprises the combined rotor impeller.
According to the flotation machine provided by the embodiment of the invention, due to the combined rotor impeller, the circulation capacity of ore pulp is effectively enhanced, the air bubble distribution is optimized, and the ore grain adsorption rate and the collection rate are improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view of the overall structure of a combined rotor wheel according to an embodiment of the present invention.
Reference numerals:
a combined rotor impeller 1,
The blade assembly 30, blade 310, fixed disk 320, straight plate section 321, perforations 3211, inclined plate section 322, wire mesh packing 330, longitudinal wire mesh strip 331, and rotor shaft 10.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The specific structure of the combined rotor wheel 1 according to the embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, a combined rotor wheel 1 according to an embodiment of the present invention includes a rotating shaft 10, blades 20, and a blade assembly 30. The blade 20 is fixed on the rotating shaft 10, the blade assembly 30 is arranged on the rotating shaft 10, and the blade assembly 30 and the blade 20 are distributed along the axial direction of the rotating shaft 10. The vane assembly 30 includes a vane 310, two fixed disks 320 and a wire mesh packing 330, the vane 310 is disposed on the rotating shaft 10, the two fixed disks 320 are fixedly connected to both sides of the vane 310 in the axial direction, and the wire mesh packing 330 is filled between the two fixed disks 320 and the vane 310.
It will be appreciated that when the motor rotates the shaft 10, the shaft 10 rotates the blades 20, 310 and the wire mesh packing 330. The paddles 20 and 310 rotate to contact and agitate the material, increasing the speed of uniform mixing of the material. The wire mesh packing 330 can continuously cut and crush the materials, so that the uniform distribution of bubbles is enhanced, and the gas-liquid contact area is increased. CFD hydrodynamic simulation proves that the combined rotor impeller 1 structure of the embodiment of the invention can effectively enhance the circulation capacity of ore pulp, optimize the air bubble distribution and improve the ore grain adsorption rate and the collection rate by more than about 8 percent.
According to the combined rotor impeller 1 provided by the embodiment of the invention, as the blades 20 and 310 for stirring the materials and the silk screen seasonings for cutting and crushing the materials are arranged, the influence range of the stirring paddles is enlarged, the circulation capacity of ore pulp is enhanced, the air bubble distribution is optimized, and the ore particle adsorption rate and the collection rate are improved.
In some embodiments, the wire mesh packing 330 includes a longitudinal wire mesh strip 331, and both ends of the longitudinal wire mesh strip 331 are respectively connected to the two fixing plates 320. Thereby, the cutting and crushing effect of the silk screen packing 330 on the materials can be increased, and the stirring effect of the combined rotor impeller 1 is ensured. It should be noted that, in some embodiments, the longitudinal wire rod 331 is parallel to the axis of the rotating shaft 10. In some embodiments, the longitudinal wire strip 331 is oriented at an angle to the axis of the shaft 10. In addition, the two ends of the longitudinal wire mesh strip 331 are connected to the fixed disk 320, so that stability of the longitudinal wire mesh strip 331 in cutting materials can be ensured, and stable and efficient operation of the longitudinal wire mesh strip 331 can be ensured.
In some alternative embodiments, longitudinal wire strips 331 are formed in a cylindrical shape, and longitudinal wire strips 331 have a diameter of 5mm. Thus, the cutting and crushing effects of the longitudinal wire mesh strips 331 on the materials can be ensured, and the stirring effect of the combined rotor impeller 1 is ensured. It should be noted that the too large or too small diameter of the wire mesh strip can affect the cutting effect of the wire mesh strip on materials, and the diameter of the wire mesh strip is set to be 5mm, so that the wire mesh strip can be guaranteed to have a good cutting effect on the materials. Of course, in practical application, the user can select the diameter of the wire mesh strip according to practical situations. Of course, the shape of the wire mesh strip is not limited to a cylindrical shape, but may be a long strip shape or a conical shape, or the like.
In some alternative embodiments, the longitudinal wire rods 331 are plural, and the spacing between two adjacent longitudinal wire rods 331 is 5mm. It should be noted that the too large or too small interval of the silk screen strips can affect the cutting effect of the silk screen strips on the materials, and the 5mm interval of the silk screen strips can ensure that the silk screen strips have a good cutting effect on the materials. Of course, in practical application, the user can select the spacing of the silk screen strips according to practical situations.
In some embodiments, blade 20 is formed as a rectangle and blade 310 is a fan. It will be appreciated that the blades 20 are rectangular to better agitate the material, and the blades 310 are fan-shaped to better ensure the cutting effect of the wire mesh packing 330 on the material. Of course, in the embodiment of the present invention, the blades 20 and 310 may be formed in any shape, and are not limited to rectangle and sector.
In some embodiments, the plurality of blades 20 is a plurality, and the plurality of blades 20 are uniformly arranged around the rotation shaft 10. Whereby the stirring effect of the blade 20 can be improved.
In some embodiments, the plurality of blades 310 is a plurality, and the plurality of blades 310 are uniformly arranged around the rotation shaft 10. Whereby the stirring effect of the blade 310 can be improved.
In some embodiments, each of the fixed disks 320 includes a straight plate section 321 and an inclined plate section 322, wherein the straight plate section 321 is provided with a through hole 3211 through which the rotating shaft 10 passes, and the inclined plate sections 322 of the two fixed disks 320 extend obliquely from the outer edges of the respective straight plate sections 321 in directions toward each other, respectively. It will be appreciated that the inclined plate sections 322 are located at the tips of the blades 310, and that the blades 310 are typically thinner at the tips and accumulate more material, and that the inclined plate sections 322 of the two fixed disks 320 extend obliquely from the outer edges of the respective straight plate sections 321 in a direction toward each other, respectively, so that the wire mesh strips at the tips of the blades 310 are denser, thereby enabling better cutting of the material.
Specifically, the angle between the extending direction of the swash plate section 322 and the extending direction of the straight plate section 321 is 15 °. It should be noted that, too large an included angle between the extending direction of the inclined plate section 322 and the extending direction of the straight plate section 321 can affect the arrangement of the wire mesh strips, so as to affect the cutting effect of the wire mesh strips on materials, and too small an included angle can also affect the cutting effect of the wire mesh strips, so that the extending direction of the inclined plate section 322 and the extending direction of the straight plate section 321 have a 15 ° included angle, so that the wire mesh strips can be guaranteed to have a better arrangement effect, and the cutting effect of the wire mesh strips on materials is guaranteed. Of course, the user can adjust the angle between the extending direction of the inclined plate section 322 and the extending direction of the straight plate section 321 according to actual needs.
A combined rotor wheel according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, the combined rotor wheel 1 includes a rotating shaft 10, blades 20, and a blade assembly 30. The blade 20 is fixed on the rotating shaft 10, the blade assembly 30 is arranged on the rotating shaft 10, and the blade assembly 30 and the blade 20 are distributed along the axial direction of the rotating shaft 10. The vane assembly 30 includes a vane 310, two fixed disks 320 and a wire mesh packing 330, the vane 310 is disposed on the rotating shaft 10, the two fixed disks 320 are fixedly connected to both sides of the vane 310 in the axial direction, and the wire mesh packing 330 is filled between the two fixed disks 320 and the vane 310.
As shown in fig. 1, the wire packing 330 includes a longitudinal wire rod 331, and both ends of the longitudinal wire rod 331 are respectively connected to the two fixing plates 320. The spacing between two adjacent longitudinal wire strips 331 is 5mm.
As shown in fig. 1, each of the fixed disks 320 includes a straight plate section 321 and an inclined plate section 322, the straight plate section 321 is provided with a through hole 3211 through which the rotation shaft 10 passes, and the inclined plate sections 322 of the two fixed disks 320 extend obliquely from the outer edges of the respective straight plate sections 321 in directions toward each other, respectively. The angle between the extending direction of the inclined plate section 322 and the extending direction of the straight plate section 321 is 15 °. The longitudinal wire rods 331 are each formed in a cylindrical shape, and the longitudinal wire rods 331 have a diameter of 5mm.
According to the combined rotor impeller 1 provided by the embodiment of the invention, as the blades 20 and 310 for stirring the materials and the silk screen seasonings for cutting and crushing the materials are arranged, the circulation capacity of ore pulp is effectively enhanced, the air bubble distribution is optimized, and the ore grain adsorption rate and the collection rate are improved.
A flotation machine according to an embodiment of the invention comprises a combined rotor wheel 1.
According to the flotation machine provided by the embodiment of the invention, the combined rotor impeller 1 is provided, so that the circulation capacity of ore pulp is effectively enhanced, the air bubble distribution is optimized, and the ore particle adsorption rate and the collection rate are improved.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. A modular rotor wheel comprising:
a rotating shaft;
the blade is fixed on the rotating shaft;
blade subassembly, the blade subassembly is established in the pivot, the blade subassembly with the paddle is followed the axial distribution of pivot, the blade subassembly includes:
the blade is arranged on the rotating shaft;
the two fixing discs are fixedly connected to two axial sides of the blade;
the silk screen packing is filled between the two fixed discs and the blades, the silk screen packing comprises longitudinal silk screen strips, two ends of the longitudinal silk screen strips are respectively connected to the two fixed discs, the longitudinal silk screen strips are cylindrical, and the diameter of the longitudinal silk screen strips is 5mm;
each fixed disk comprises a straight plate section and an inclined plate section, wherein a through hole for the rotating shaft to pass through is formed in the straight plate section, and the inclined plate sections of the two fixed disks obliquely extend from the outer edges of the corresponding straight plate sections towards each other.
2. The combined rotor wheel of claim 1, wherein the longitudinal wire mesh strips are a plurality of, and the spacing between two adjacent longitudinal wire mesh strips is 5mm.
3. The combined rotor wheel according to claim 1, wherein the blades are formed in a rectangular shape, and the blades are in a fan shape.
4. The modular rotor wheel of claim 1, wherein the plurality of blades is uniformly arranged around the shaft.
5. The combined rotor wheel according to claim 1, wherein the angle between the extension direction of the swash plate segment and the extension direction of the straight segment is 15 °.
6. A flotation machine comprising a combined rotor impeller according to any one of claims 1-5.
CN201810153668.8A 2018-02-22 2018-02-22 Combined rotor impeller and flotation machine Active CN108144471B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810153668.8A CN108144471B (en) 2018-02-22 2018-02-22 Combined rotor impeller and flotation machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810153668.8A CN108144471B (en) 2018-02-22 2018-02-22 Combined rotor impeller and flotation machine

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CN108144471A CN108144471A (en) 2018-06-12
CN108144471B true CN108144471B (en) 2024-01-16

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110694299A (en) * 2019-09-24 2020-01-17 浙江工程设计有限公司 Extraction tower
CN113578225A (en) * 2021-08-26 2021-11-02 昆明理工大学 Device for jointly treating minerals by microwave-rigid and flexible combined stirring paddle

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2002126561A (en) * 2000-10-27 2002-05-08 Konica Corp Shredding device
CN204816693U (en) * 2015-06-15 2015-12-02 叶恒 From inhaling formula rubbing crusher impeller
CN205599347U (en) * 2016-04-28 2016-09-28 江苏泽龙石英有限公司 Quartzy flotation device
CN206735215U (en) * 2016-11-17 2017-12-12 张剑飞 A kind of anti-jamming revolving plow reclaimer

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Publication number Priority date Publication date Assignee Title
US8647051B2 (en) * 2009-09-16 2014-02-11 The Bergquist Torrington Company High efficiency low-profile centrifugal fan

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002126561A (en) * 2000-10-27 2002-05-08 Konica Corp Shredding device
CN204816693U (en) * 2015-06-15 2015-12-02 叶恒 From inhaling formula rubbing crusher impeller
CN205599347U (en) * 2016-04-28 2016-09-28 江苏泽龙石英有限公司 Quartzy flotation device
CN206735215U (en) * 2016-11-17 2017-12-12 张剑飞 A kind of anti-jamming revolving plow reclaimer

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