CN107398340B - Guide vane with adjustable gap - Google Patents
Guide vane with adjustable gap Download PDFInfo
- Publication number
- CN107398340B CN107398340B CN201710725223.8A CN201710725223A CN107398340B CN 107398340 B CN107398340 B CN 107398340B CN 201710725223 A CN201710725223 A CN 201710725223A CN 107398340 B CN107398340 B CN 107398340B
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- Prior art keywords
- plate
- adjusting
- guide vane
- fixed
- connector unit
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Classifications
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- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a guide vane with adjustable gaps, which comprises a supporting plate, an adjusting driving ring, adjusting connecting pieces and guide vanes, wherein the number of the guide vanes is the same as that of the adjusting connecting pieces, the adjusting connecting pieces comprise a first adjusting connecting piece unit and a second adjusting connecting piece unit, the first adjusting connecting piece unit is arranged on the supporting plate, the guide vane comprises a fixed guide vane and an adjusting guide vane, the fixed guide vane comprises a first fixed plate, a second fixed plate and a fixed connecting plate, the adjusting guide vane comprises a first adjusting plate, a second adjusting plate and an adjusting connecting plate, and the top of the first adjusting plate is connected with the bottom of the first adjusting connecting piece unit. The beneficial effects of the invention are as follows: a plurality of guide vane components are uniformly distributed along the shaft to form a fluid flow channel, and the cross section of the channel space is the same rectangle; the cross-sectional area of the channel space is adjustable, and the fluid flow channel space is always the same rectangle in the adjustment range.
Description
Technical Field
The invention relates to a guide vane with adjustable gaps, and belongs to the technical field of solid grinding material sorting equipment.
Background
The grinding of solid materials is widely applied to the production process of cement, slag and nonmetallic ores, the materials to be ground need to be separated in time in the grinding process, otherwise, the phenomenon of over-grinding of the materials is easy to occur.
The sorting device for sorting materials consists of a rotor and guide vanes, and airflow is rectified after passing through the guide vanes and then enters the rotor to finish sorting; the flow velocity of the fluid input into the rotor has a certain influence on the sorting of the materials; under different working conditions, the flow rate of the input rotor also needs to be adjusted, so that the efficiency of the sorting device is maximized.
The development and development of new technology can realize the adjustable cross-sectional area of the channel space formed by the guide vane, so that the adjustment of the flow velocity input into the rotor can be realized, which is one of the problems and difficulties of the current research.
Disclosure of Invention
The invention relates to a guide vane with adjustable gaps, which solves the technical defects of the prior art that the gaps of the guide vane are not adjustable and the separation efficiency is low.
In order to solve the problems, the invention adopts the following technical scheme: the guide vane comprises an annular supporting plate, an annular adjusting driving ring, a plurality of adjusting connecting pieces and guide vanes, wherein the annular adjusting driving ring is arranged above the supporting plate and is coaxially arranged with the supporting plate, the adjusting connecting pieces are uniformly arranged along the circumferential direction, the guide vanes are the same as the adjusting connecting pieces in number and are uniformly arranged along the circumferential direction, the inner diameter of the adjusting driving ring is larger than the inner diameter of the supporting plate, and the guide vanes are arranged below the supporting plate; according to the invention, the relative position of the guide vane is adjusted by adjusting the driving ring to rotate relative to the supporting plate.
The adjusting connector comprises a first adjusting connector unit and a second adjusting connector unit, the first adjusting connector unit is arranged on the supporting plate, one end of the second adjusting connector unit is rotatably arranged at the top of the adjusting driving ring, the other end of the second adjusting connector unit is rotatably arranged at the top of the first adjusting connector unit, and the bottom of the first adjusting connector unit penetrates through the supporting plate to be connected with the guide vane; the invention realizes the linkage among the support plate, the adjusting connecting piece, the adjusting driving ring and the guide vane through the relative rotation of the first adjusting connecting piece unit and the second adjusting connecting piece unit and the relative rotation between the whole adjusting connecting piece, the support plate and the adjusting driving ring.
The guide vane comprises a fixed guide vane and an adjusting guide vane, the bottom of the fixed guide vane is arranged on a fixed object, the fixed guide vane comprises a first fixed plate, a second fixed plate and a fixed connecting plate for connecting the first fixed plate and the second fixed plate, an included angle between the first fixed plate and the second fixed plate is an obtuse angle, the distance between one end of the first fixed plate far away from the second fixed plate and the center of the supporting plate is smaller than the distance between the other end of the first fixed plate and the center of the supporting plate, the adjusting guide vane comprises a first adjusting plate, a second adjusting plate and an adjusting connecting plate for connecting the first adjusting plate and the second adjusting plate, the included angle between the first adjusting plate and the second adjusting plate is an acute angle, the top of the first adjusting plate is connected with the bottom of the first adjusting connecting piece unit, and the second adjusting plate is parallel to the first fixed plate of one guide vane adjacent to the second adjusting plate; the fixed guide vanes are fixed in position, and the adjusting guide vanes move in parallel along with the rotation of the adjusting driving ring, so that the relative positions between the adjusting guide vanes and the fixed guide vanes are changed, and the distance between the guide vanes can be further adjusted.
As a further improvement of the invention, the first adjusting plate is provided with a plurality of first mounting through holes penetrating through two sides of the first adjusting plate, and the first adjusting plate and the bottom of the first adjusting connector unit are detachably mounted through bolts inserted in the first mounting through holes and nuts in threaded fit with the bolts. The first adjusting plate and the first adjusting connector unit adopt the matching of bolts and nuts to realize the detachable installation between the first adjusting plate and the first adjusting connector unit, and the adjusting guide vane is convenient to install and detach and convenient to maintain and replace.
As a further improvement of the invention, the first adjusting connector unit comprises a guide plate, a moving plate and an adjusting plate mounting piece, wherein a rectangular groove is formed in the support plate, a waist-shaped groove corresponding to the rectangular groove is formed in the guide plate along the length direction of the guide plate, the guide plate is arranged at the top of the support plate, the moving plate is arranged at the top of the guide plate, a fixing pin is fixed at the top of the moving plate, the adjusting plate mounting piece comprises more than one connecting column and a mounting plate, the connecting column is arranged at the top of the mounting plate, the connecting column is detachably mounted on the moving plate after upwards passing through the rectangular groove and the waist-shaped groove, the top of the first adjusting plate is detachably mounted on the mounting plate, and the second adjusting connector unit is connected with the fixing pin. The guide plate is provided with the kidney-shaped groove, the connecting column can move in the kidney-shaped groove along the length of the kidney-shaped groove, and the moving adjustment of the guide vane at the bottom of the connecting column is realized.
As a further improvement of the invention, the device further comprises a sealing plate, wherein the sealing plate is arranged at the bottom of the supporting plate, and the connecting column penetrates through the upper side and the lower side of the sealing plate. The sealing plate is arranged in the invention and is used for separating the upper part from the lower part of the supporting plate so as to prevent separated particles from entering the rectangular groove and interfering the adjustment of the guide vane.
As a further improvement of the invention, the bearing also comprises a bearing, wherein the bearing is arranged in the kidney-shaped groove, and the connecting column is in clearance fit with the inner ring of the bearing. The invention is provided with the bearing to guide the movement of the connecting column, and prevent the connecting column from moving in the kidney-shaped groove along the width direction of the kidney-shaped groove.
As a further improvement of the invention, the invention further comprises a lower spacer bush and an upper spacer bush which are sleeved on the connecting column, wherein the bottom end of the lower spacer bush is connected with the upper surface of the sealing plate, the top of the lower spacer bush is connected with the bottom end of the bearing inner ring, the bottom end of the upper spacer bush is connected with the top end of the bearing inner ring, and the top end of the upper spacer bush is connected with the lower surface of the movable plate. The upper spacer bush and the lower spacer bush are arranged to respectively support the top and the bottom of the bearing, so that the bearing is prevented from moving up and down in the kidney-shaped groove.
In summary, the beneficial effects of the invention are as follows: the invention comprises a guide vane assembly consisting of an adjusting guide vane and a fixed guide vane, wherein a plurality of guide vane assemblies are uniformly distributed along an axis to form a fluid flow channel mutually, and the channel space sections are the same; the cross-sectional area of the passage space is adjustable, and the fluid flow passage space is always rectangular (two ends are not connected) with the same in an adjustment range. The invention improves the separation efficiency and improves the yield of materials.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a top view of the present invention.
Fig. 4 is a B-B cross-sectional view of fig. 3.
Fig. 5 is a C-C cross-sectional view of fig. 4.
Fig. 6 is a D-D cross-sectional view of fig. 3.
Fig. 7 is a schematic view showing a perspective structure of a support plate in the present invention.
Fig. 8 is a schematic view showing the structure of a moving plate in the present invention.
Fig. 9 is a schematic perspective view showing the mounting of the adjusting plate in the present invention.
Fig. 10 is a schematic view showing a perspective structure of an adjusting guide vane in the present invention.
Fig. 11 is a schematic perspective view showing the structure of a guide plate according to the present invention.
Wherein: 1. a support plate; 2. adjusting the driving ring; 3. adjusting the connecting piece; 4. a guide vane; 5. a first adjustment connector unit; 6. a second adjustment connector unit; 7. fixing the guide vane; 8. adjusting the guide vane; 9. a first fixing plate; 10. a second fixing plate; 11. fixing the connecting plate; 12. a first adjustment plate; 13. a second adjusting plate; 14. adjusting the connecting plate; 15. a first mounting through hole; 16. a guide plate; 17. a moving plate; 18. an adjustment plate mount; 19. rectangular grooves; 20. a kidney-shaped groove; 21. a fixing pin; 22. a connecting column; 23. a mounting plate; 24. a sealing plate; 25. a bearing; 26. a lower spacer bush; 27. a spacer bush is arranged; 28. a connecting pin; 29. a first mounting hole.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
The adjustable-clearance guide vane shown in fig. 1-11 comprises an annular supporting plate 1 with a certain thickness, an annular adjusting driving ring 2 with a thickness, a plurality of adjusting connecting pieces 3 uniformly arranged along the circumferential direction and guide vanes 4 uniformly arranged along the circumferential direction, wherein the specific number of the adjusting connecting pieces 3 and the guide vanes 4 is determined according to the size of the supporting plate 1 and the width of a channel formed between the required guide vanes 4, for example, the outer diameter of the supporting plate 1 is larger or the channel requirement between the guide vanes 4 is smaller, the number of the adjusting connecting pieces 3 is more, otherwise, the number of the adjusting driving ring 2 is smaller, the inner diameter of the adjusting driving ring 2 is larger than the inner diameter of the supporting plate 1, the outer diameter of the adjusting driving ring 2 is equal to the outer diameter of the supporting plate 1, the adjusting driving ring 2 and the supporting plate 1 are coaxially arranged, and the guide vanes 4 are arranged below the supporting plate 1.
The adjusting connector 3 in the application comprises a first adjusting connector unit 5 and a second adjusting connector unit 6, wherein the first adjusting connector unit 5 is arranged on a supporting plate 1, one end of the second adjusting connector unit 6 is rotatably arranged at the top of an adjusting driving ring 2, the other end of the second adjusting connector unit is rotatably arranged at the top of the first adjusting connector unit 5, the bottom of the first adjusting connector unit 5 penetrates through a supporting plate 1 to be connected with a guide vane 4, the second adjusting connector unit 6 is made of strip-shaped plate materials, two ends of the second adjusting connector unit 6 are respectively provided with a third mounting through hole and a fourth mounting through hole, the adjusting driving ring 2 is provided with a connecting pin 28, the connecting pin 28 comprises a head part with the largest diameter and smooth surface, a connecting part with the smallest diameter and the threaded fixing part with the smallest surface, the adjusting driving ring 2 is provided with a fifth mounting through hole penetrating through the upper end and the lower end of the adjusting driving ring, the diameter of the fifth mounting through hole is smaller than the diameter of the connecting pin 28 and the connecting part with the fifth mounting through hole is slightly smaller than the diameter of the connecting pin 28 and the fifth mounting through hole is slightly matched with the third mounting through hole 28.
The guide vane 4 in the present invention includes a fixed guide vane 7 and an adjusting guide vane 8, the bottom of the fixed guide vane 7 is mounted on a fixture (the fixture is a plate-shaped fixture disposed below the whole device, the shape of the fixture may be circular or ring-shaped, etc.) so as to keep the position of the fixed guide vane 7 unchanged, the fixed guide vane 7 in the present application includes a first fixing plate 9, a second fixing plate 10 and a fixing connecting plate 11 connecting the first fixing plate 9 and the second fixing plate 10, the fixing connecting plate 11 is bent into an arc shape, so that a smooth transition is formed between the first fixing plate 9 and the second fixing plate 10, the distance between one end of the first fixing plate 9, which is far away from the second fixing plate 10, and the center of the supporting plate 1 is smaller than the distance between the other end and the center of the supporting plate 1, the adjusting guide vane 8 includes a first adjusting plate 12, a second adjusting plate 13 and an adjusting connecting plate 14 connecting the first adjusting plate 12 and the second adjusting plate 13, the first adjusting plate 12 and the second adjusting plate 13 are connected with the first adjusting plate 13, the first adjusting plate 13 and the second adjusting plate 13 are connected with the first adjusting plate 13, and the first adjusting plate 13 and the second adjusting plate 13 is formed to form a smooth transition, and the transition between the first adjusting plate and the adjusting plate 13 and the first adjusting plate 13 and the second adjusting plate 13 is formed.
The first adjusting connector unit 5 comprises a guide plate 16, a moving plate 17, an adjusting plate mounting member 18, a sealing plate 24, two bearings 25, a lower spacer 26 and an upper spacer 27, wherein the rectangular groove 19 is formed in the support plate 1, a waist-shaped groove 20 corresponding to the rectangular groove 19 is formed in the guide plate 16 along the length direction of the guide plate 16, the guide plate 16 is arranged at the top of the support plate 1, the moving plate 17 is arranged at the top of the guide plate 16, a fixing pin 21 is fixedly arranged at the top of the moving plate 17, the adjusting plate mounting member 18 comprises more than one connecting column 22 and a mounting plate 23, the number of the two connecting columns 22 is two, the shapes and the sizes of the two connecting columns 22 are the same, the connecting columns 22 are arranged at the top of the mounting plate 23, and are detachably mounted on the moving plate 17 after upwards penetrating through the rectangular groove 19 and the waist-shaped groove 20, in particular, two sixth mounting through holes penetrating through the upper portion of the connecting columns 22 penetrate through the sixth mounting through holes, the upper portion of the connecting columns 22 is detachably mounted with the mounting plate 17, the connecting columns 22 are detachably mounted with the mounting plate 23, and the adjusting plate is detachably mounted on the top of the mounting plate 17, and the adjusting plate is detachably mounted with the mounting plate 17, and the adjusting plate is detachably mounted on the top of the mounting plate 17, and is detachably mounted with the mounting plate 17, and is detachably mounted on the top, and is mounted on the mounting plate through the nut, and is respectively, and is mounted on the mounting plate through nut. The mounting plate 23 is provided with four first mounting holes 29 in two rows, the number of the first mounting holes 29 in each row is two, the four first mounting holes 29 are distributed on four vertexes of a square, the top of the first adjusting plate 12 is correspondingly provided with the first mounting holes 15, the number of the first mounting holes 15 is two, the mounting plate 23 and the first adjusting plate 12 are detachably mounted together by bolts inserted into the first mounting holes 29 and the first mounting holes 15 and nuts matched with the bolts in a threaded manner, the fourth mounting holes on the second adjusting connector unit 6 are sleeved on the fixing pins 21, so that the detachable connection between the second adjusting connector unit 6 and the first adjusting connector unit 5 is realized.
According to the invention, the sealing plate 24 is arranged at the bottom of the supporting plate 1, the connecting column 22 passes through the upper side and the lower side of the sealing plate 24, the bearing 25 is arranged in the kidney-shaped groove 20, the connecting column 22 is in clearance fit with the inner ring of the bearing 25, and the outer diameter of the outer ring of the bearing 25 is slightly smaller than the width of the kidney-shaped groove 20, so that the connecting column 22 can be adjusted in the length direction of the kidney-shaped groove 20.
The lower spacer 26 and the upper spacer 27 are sleeved on the connecting column 22, the bottom end of the lower spacer 26 is connected with the upper surface of the sealing plate 24, the top of the lower spacer 26 is connected with the bottom end of the inner ring of the bearing 25, the bottom end of the upper spacer 27 is connected with the top end of the inner ring of the bearing 25, the top end of the upper spacer 27 is connected with the lower surface of the movable plate 17, the lower spacer 26 and the upper spacer 27 support the bearing 25, and the bearing 25 is prevented from moving in the vertical direction.
Parts of the above description not specifically described are either prior art or may be implemented by prior art. Moreover, the embodiments of the present invention are described in the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Equivalent changes and modifications of the invention are intended to be within the scope of the present invention.
Claims (5)
1. A clearance adjustable guide vane, characterized in that: the device comprises an annular supporting plate (1), an annular adjusting driving ring (2) which is arranged above the supporting plate (1) and is coaxial with the supporting plate (1), a plurality of adjusting connecting pieces (3) which are uniformly arranged along the circumferential direction, and guide vanes (4) which are the same as the adjusting connecting pieces (3) in number and are uniformly arranged along the circumferential direction, wherein the inner diameter of the adjusting driving ring (2) is larger than the inner diameter of the supporting plate (1), and the guide vanes (4) are arranged below the supporting plate (1);
the adjusting connector (3) comprises a first adjusting connector unit (5) and a second adjusting connector unit (6), wherein the first adjusting connector unit (5) is arranged on the supporting plate (1), one end of the second adjusting connector unit (6) is rotatably arranged at the top of the adjusting driving ring (2), the other end of the second adjusting connector unit is rotatably arranged at the top of the first adjusting connector unit (5), and the bottom of the first adjusting connector unit (5) penetrates through the supporting plate (1) to be connected with the guide vane (4);
the guide vane (4) comprises a fixed guide vane (7) and an adjusting guide vane (8), the bottom of the fixed guide vane (7) is arranged on a fixed object, the fixed guide vane (7) comprises a first fixed plate (9), a second fixed plate (10) and a fixed connecting plate (11) for connecting the first fixed plate (9) and the second fixed plate (10), an included angle between the first fixed plate (9) and the second fixed plate (10) is an obtuse angle, the distance between one end of the first fixed plate (9) far away from the second fixed plate (10) and the center of the supporting plate (1) is smaller than the distance between the other end of the first fixed plate and the center of the supporting plate (1), the adjusting guide vane (8) comprises a first adjusting plate (12), a second adjusting plate (13) and an adjusting connecting plate (14) for connecting the first adjusting plate (12) and the second adjusting plate (13), the included angle between the first adjusting plate (12) and the second adjusting plate (13) is an acute angle, and the distance between the top of the first adjusting plate (12) and the first adjusting plate (4) and the bottom of the first adjusting unit (5) is parallel to the first adjusting plate (4);
the first adjusting connector unit (5) include deflector (16), movable plate (17) and adjusting plate mounting (18), backup pad (1) on open and have rectangular channel (19), deflector (16) on open along its length direction have with rectangular channel (19) corresponding kidney slot (20), deflector (16) set up at the top of backup pad (1), movable plate (17) set up at the top of deflector (16), the top of movable plate (17) is fixed with fixed pin (21), adjusting plate mounting (18) include spliced pole (22) and mounting panel (23) more than one, spliced pole (22) set up the top at mounting panel (23), spliced pole (22) upwards pass behind rectangular channel (19) and kidney slot (20) detachable and install on movable plate (17), the top of first adjusting plate (12) detachable install on mounting panel (23), second adjusting connector unit (6) be connected with fixed pin (21).
2. The adjustable clearance guide vane of claim 1, wherein: the first adjusting plate (12) is provided with a plurality of first mounting through holes (15) penetrating through two sides of the first adjusting plate, and the first adjusting plate (12) and the bottom of the first adjusting connector unit (5) are detachably mounted through bolts inserted into the first mounting through holes (15) and nuts matched with the bolts in a threaded mode.
3. The adjustable clearance guide vane of claim 1, wherein: the device further comprises a sealing plate (24), the sealing plate (24) is arranged at the bottom of the supporting plate (1), and the connecting columns (22) penetrate through the upper side and the lower side of the sealing plate (24).
4. A clearance-adjustable guide vane according to claim 3, characterized in that: the connecting column is characterized by further comprising a bearing (25), wherein the bearing (25) is arranged in the kidney-shaped groove (20), and the connecting column (22) is in clearance fit with the inner ring of the bearing (25).
5. The adjustable clearance guide vane of claim 4 wherein: the lower spacer bush (26) and the upper spacer bush (27) are sleeved on the connecting column (22), the bottom end of the lower spacer bush (26) is connected with the upper surface of the sealing plate (24), the top of the lower spacer bush (26) is connected with the bottom end of the inner ring of the bearing (25), the bottom end of the upper spacer bush (27) is connected with the top end of the inner ring of the bearing (25), and the top end of the upper spacer bush (27) is connected with the lower surface of the movable plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725223.8A CN107398340B (en) | 2017-08-22 | 2017-08-22 | Guide vane with adjustable gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725223.8A CN107398340B (en) | 2017-08-22 | 2017-08-22 | Guide vane with adjustable gap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107398340A CN107398340A (en) | 2017-11-28 |
| CN107398340B true CN107398340B (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725223.8A Active CN107398340B (en) | 2017-08-22 | 2017-08-22 | Guide vane with adjustable gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107398340B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686919A (en) * | 2020-06-19 | 2020-09-22 | 上海卡山科技股份有限公司 | Rotor with air-powder homogenizing function for coal mill and separator |
| CN112893122A (en) * | 2021-01-16 | 2021-06-04 | 江苏羚羊机械有限公司 | Novel double-guide air-equalizing efficient powder concentrator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753474Y (en) * | 2004-11-22 | 2006-01-25 | 中天仕名科技集团有限公司 | Synchronous adjustable wing type guide plate device |
| WO2008124758A1 (en) * | 2007-04-10 | 2008-10-16 | Elliott Company | Centrifugal compressor having adjustable inlet guide vanes |
| CN202238667U (en) * | 2011-10-13 | 2012-05-30 | 上海凯盛节能工程技术有限公司 | Adjustable-angle guide vane device |
| CN103127996A (en) * | 2011-11-29 | 2013-06-05 | 洛阳宇航重工机械有限公司 | High-efficient powder selecting machine |
| CN102658264A (en) * | 2012-05-31 | 2012-09-12 | 江苏吉能达建材设备有限公司 | Flow guiding device of superfine powder grading machine |
| CN207187961U (en) * | 2017-08-22 | 2018-04-06 | 南京西普水泥工程集团有限公司 | The adjustable guide vane in gap |
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2017
- 2017-08-22 CN CN201710725223.8A patent/CN107398340B/en active Active
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| CN107398340A (en) | 2017-11-28 |
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Effective date of registration: 20230526 Address after: Building 3, No. 5 Hongguang Road, Lishui Economic Development Zone, Nanjing, Jiangsu Province, 211200 Applicant after: Nanjing Xipu International Engineering Co.,Ltd. Address before: No.5, Hongguang East Road, Lishui Economic Development Zone, Nanjing, Jiangsu, 211200 Applicant before: NANJING C-HOPE CEMENT ENGINEERING GROUP Co.,Ltd. |
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