CN115254446A - Floating concentrator impeller - Google Patents
Floating concentrator impeller Download PDFInfo
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- CN115254446A CN115254446A CN202210960336.7A CN202210960336A CN115254446A CN 115254446 A CN115254446 A CN 115254446A CN 202210960336 A CN202210960336 A CN 202210960336A CN 115254446 A CN115254446 A CN 115254446A
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- shaft cylinder
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- 238000007667 floating Methods 0.000 title claims abstract description 13
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 238000005188 flotation Methods 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 12
- 238000003756 stirring Methods 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 7
- 239000011707 mineral Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IEDVJHCEMCRBQM-UHFFFAOYSA-N trimethoprim Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(N)=NC=2)N)=C1 IEDVJHCEMCRBQM-UHFFFAOYSA-N 0.000 description 1
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an impeller of a floating concentrator, which comprises an upper impeller assembly, a lower impeller assembly and a separating disc, wherein the upper blades are matched with the upper impeller disc in a sliding insertion manner, top blades are fixed at the tops of the upper blades, the lower blades are matched with the upper impeller disc in a sliding insertion manner, the included angle between any pair of lower blades is A, the included angle between two adjacent pairs of lower blades is B, and A < B. The impeller has light abrasion degree, the upper blade and the lower blade are used as parts which are easy to abrade, a sliding insertion installation mode is adopted, replacement is convenient, and cost can be reduced.
Description
Technical Field
The invention relates to the technical field of flotation machines, in particular to an impeller of a flotation concentrator.
Background
Flotation separation is a technology for separating minerals and is also a main separation method, and the main principle is that one ore or a group of minerals in the ore are selectively attached to air bubbles by utilizing the difference of the physicochemical properties of the surfaces of the minerals, and the air bubbles rise to the surface of ore liquid, so that useful minerals are separated from gangue minerals.
The flotation machine is used as core equipment in the flotation process, mineral particles in the flotation tank are dispersed and suspended mainly through impeller stirring, and then useful minerals are collided with bubbles and enter the foam tank along with the bubbles to obtain a concentrate product. The impeller is used as a key part in the flotation machine and plays a role in generating and dispersing bubbles. Also due to the long term exposure to chemicals and erosion by the slurry, the impeller is naturally a vulnerable component in the flotation machine. The abrasion of the impeller not only can influence the aeration quantity and the aeration uniformity of the flotation machine, but also can worsen the flotation effect and further can increase the maintenance burden of equipment, but the existing technical improvement problem aiming at the abrasion of the impeller of the flotation concentrator is still not perfect.
Disclosure of Invention
The invention aims to solve the technical problem of providing the impeller of the flotation concentrator, which can solve the abrasion problem more perfectly.
In order to solve the technical problem, the invention adopts the following technical scheme: a floating concentrator impeller comprises an upper impeller assembly, a lower impeller assembly and a separation disc, wherein the upper impeller assembly and the lower impeller assembly are respectively and detachably mounted at the top and the bottom of the separation disc;
the upper impeller assembly comprises an upper impeller shaft barrel, an upper wheel disc and a plurality of upper blades, the upper blades are uniformly and annularly arranged on the top surface of the upper wheel disc around the upper impeller shaft barrel as centers, the upper blades are matched with the upper wheel disc in a sliding insertion mode, and tip blades are fixed at the tops of the upper blades;
the lower impeller assembly comprises a lower impeller cylinder, a lower impeller disc and lower blades, wherein the two lower blades are in a pair, the lower blades are uniformly and annularly arranged on the bottom surface of the lower impeller disc around the lower impeller cylinder as the center, the lower blades are matched with the upper impeller disc in a sliding and inserting mode, the included angle between any pair of the lower blades is A, the included angle between two adjacent pairs of the lower blades is B, and A is smaller than B.
Further, the upper blade is of a sheet structure with a rectangular cross section and uniform thickness, the tip blade is of a triangular pointed cone structure with a triangular cross section, one end of the tip blade, which abuts against the upper axle cylinder, is provided with an included angle a, the lower end of one side of the upper blade, which abuts against the upper axle cylinder, is provided with an included angle b, and 0 degree < a or b <90 degrees.
Further, the lower blade is a sheet structure with a rectangular cross section and uneven thickness, the thickness of the lower blade gradually increases along with the radial gradual outward of the lower wheel disc, the lower end of the lower blade, which is far away from one side of the lower wheel shaft cylinder, is provided with an included angle c, the included angle c is 0 degrees < c <90 degrees, and irregular protrusions are distributed on the surface layer of the lower blade.
Furthermore, a first inserting plate is fixed at the bottom of the upper blade, the width of the first inserting plate is larger than that of the upper blade, the first inserting plate is matched with a first inserting groove which is formed in the top surface of the upper wheel disc and is of a T-shaped structure in a sliding inserting mode, and the bottom end of the upper blade and the first inserting plate are both immersed into the first inserting groove;
go up the blade conflict extremely the one end of going up a shaft section of thick bamboo is fixed with first slide between two parties, the width of first slide is greater than go up the width of blade, first slide adopts flexible material, just first slide with go up the shaft section of thick bamboo outer wall and set up some first spout slip lock that are T style of calligraphy structure and match, first spout with first slot is linked together, just go up the tip end of blade with first slide all sinks in the first spout.
Furthermore, a second inserting plate is fixed to the top of the lower blade, the width of the second inserting plate is larger than that of the lower blade, the second inserting plate is matched with a second inserting groove which is formed in the bottom surface of the lower wheel disc and is of a T-shaped structure in a sliding inserting mode, and the top end of the lower blade and the second inserting plate are both immersed in the second inserting groove;
the lower blade is abutted to the lower end of one side of the lower wheel shaft cylinder, a second sliding plate is fixed to the lower end of one side of the lower wheel shaft cylinder, the width of the second sliding plate is larger than that of the lower blade, the second sliding plate is made of flexible materials, the second sliding plate is matched with a second sliding groove in a T-shaped structure, which is formed in the outer wall surface of the lower wheel shaft cylinder in a sliding and buckling mode, the second sliding groove is communicated with the second slot, and the tip end of the end portion of the lower blade and the second sliding plate are all immersed in the second sliding groove.
Further, still including the location nail, the location nail has a plurality ofly, it is located to go up the rim plate the both sides of first slot interval distribution respectively have a plurality of first locating holes, the rim plate is located down the both sides of second slot interval distribution respectively have a plurality of second locating holes, the location nail passes respectively first locating hole or second locating hole and fixed extremely first picture peg or second picture peg, just the location nail submerges in first locating hole or the second locating hole.
Furthermore, a through hole is formed in the center of the separation disc, the upper wheel disc and the lower wheel disc are detachably mounted on the top surface and the bottom surface of the separation disc respectively, the upper wheel shaft cylinder is fixed on the top surface of the upper wheel disc in the middle, the lower wheel shaft cylinder is fixed on the bottom surface of the lower wheel disc in the middle, the upper wheel shaft cylinder, the upper wheel disc, the separation disc, the lower wheel disc and the lower wheel shaft cylinder are longitudinally communicated with each other, a plurality of first air holes are formed in the upper wheel shaft cylinder between every two adjacent first sliding grooves at intervals, a plurality of second air holes are formed in the lower wheel shaft cylinder between every two adjacent second sliding grooves at intervals, and the diameter of each second air hole is larger than that of each first air hole.
The upper wheel disc is provided with a plurality of first slots, the lower wheel disc is provided with a plurality of second slots, the upper wheel disc is provided with a plurality of first counter bores between two adjacent first slots, the lower wheel disc is provided with a plurality of second counter bores between two adjacent second slots, and the counter bores penetrate through the first counter bores or the second counter bores respectively and are fixed to the separating disc.
Further, the diameter of the upper wheel disc is equal to that of the separating disc, the lower wheel disc is in a trapezoidal disc shape with a large upper part and a small lower part, the diameter of the top surface of the lower wheel disc is equal to that of the separating disc, and the heights of the upper wheel shaft cylinder and the upper blades are respectively smaller than those of the lower wheel shaft cylinder and the lower blades.
Furthermore, the top surface and the bottom surface of the upper wheel shaft cylinder are not blocked, thread strips with knob directions opposite to the rotation direction of the main shaft of the flotation concentrator are uniformly distributed on the inner wall surface of the upper wheel shaft cylinder, and the top surface and the bottom surface of the lower wheel shaft cylinder are not blocked.
The invention has the beneficial effects that:
1. in the invention, the split impeller replaces the traditional integrated impeller, the impeller is detachably divided into an upper impeller component which respectively plays the roles of introducing air and generating bubbles, a lower impeller component which plays the roles of dispersing air and rotationally stirring ore pulp and a separating disc which plays the role of connection, the upper impeller component and the lower impeller component respectively bear different work tasks in a flotation machine in a targeted manner, and compared with the traditional integrated impeller, the impeller has a lower abrasion degree.
2. In the invention, the upper blade and the lower blade are used as parts which are easy to wear, and the installation mode of sliding insertion is adopted, so that the replacement is convenient, and the cost is reduced, wherein on one hand, the top blade can enhance the liquid flow cutting capability, improve the bubble generation amount of the upper blade and further play a role in reducing the loss of the impeller, and on the other hand, the included angle A is smaller than the included angle B, the size of the included angle between two adjacent lower blades is changed, the outlet width of the lower blade is increased, and further the function of reducing the wear of the impeller is played.
Drawings
Fig. 1 is an elevational view of the overall structure of an embodiment of the present invention.
FIG. 2 is a top view of the upper impeller assembly with the upper blades removed in accordance with an embodiment of the present invention.
Fig. 3 is a general structural drawing of a three-impeller assembly according to an embodiment of the invention.
FIG. 4 is a side view of an upper blade of one embodiment of the present invention.
FIG. 5 is a front view of an upper blade of an embodiment of the present invention.
FIG. 6 is a bottom view of the lower impeller assembly of one embodiment of the present invention with the lower blades removed.
Fig. 7 is a bottom view of the overall structure of the lower impeller assembly in accordance with one embodiment of the present invention.
FIG. 8 is a side view of a lower blade of an embodiment of the present invention.
FIG. 9 is a front view of a lower blade of an embodiment of the present invention.
The components in the drawings are labeled as follows: 1. an upper impeller assembly; 2. a lower impeller assembly; 3. a divider disk; 4. an upper axle cylinder; 401. a first chute; 402. a first air vent; 5. an upper wheel disc; 501. a first slot; 502. a first positioning hole; 503. a first counterbore; 6. an upper blade; 601. a first board insert; 602. a first slide plate; 603. a tip blade; 7. a lower wheel shaft cylinder; 701. a first chute; 702. a second air hole; 8. a lower wheel disc; 801. a second slot; 802. a second positioning hole; 803. a second counterbore; 9. a lower blade; 901. a second board plug; 902. a second slide plate; 903. irregular bulges; 10. positioning nails; 11. countersunk head nail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that if the description of "first", "second", etc. is provided in the embodiment of the present invention, the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
See fig. 1-9.
The invention provides an impeller of a floating concentrator, which comprises an upper impeller component 1, a lower impeller component 2 and a separating disc 3, wherein the upper impeller component 1 and the lower impeller component 2 are respectively and detachably arranged at the top and the bottom of the separating disc 3;
the upper impeller assembly 1 comprises an upper impeller shaft barrel 4, an upper wheel disc 5 and a plurality of upper blades 6, the upper blades 6 are uniformly and annularly arranged on the top surface of the upper wheel disc 5 by respectively taking the upper impeller shaft barrel 4 as a center, the upper blades 6 are matched with the upper wheel disc 5 in a sliding insertion manner, and tip blades 603 are fixed at the tops of the upper blades 6;
the lower impeller assembly 2 comprises a lower impeller cylinder 7, a lower wheel disc 8 and lower blades 9, the lower blades 9 are provided with a plurality of pairs of two, the lower blades 9 are respectively wound around the lower impeller cylinder 7 as centers and are uniformly and annularly arranged on the bottom surface of the lower wheel disc 8, the lower blades 9 are matched with the upper wheel disc 5 in a sliding and inserting mode, the included angle between any pair of the lower blades 9 is A, the included angle between two adjacent pairs of the lower blades 9 is B, and A is less than B.
According to the invention, the split impeller replaces the traditional integrated impeller, the impeller is detachably divided into an upper impeller component which respectively plays the roles of introducing air and generating bubbles, a lower impeller component which plays the roles of dispersing air and rotationally stirring ore pulp and a separating disc which plays the role of connecting, the upper impeller component and the lower impeller component respectively bear different work tasks in a flotation machine in a targeted manner, and compared with the traditional integrated impeller, the impeller has a lower abrasion degree.
In the invention, the upper blade and the lower blade are used as parts which are easy to wear, and a sliding insertion installation mode is adopted, so that the replacement is convenient, and the cost is reduced.
In an embodiment, the upper blade 6 has a rectangular cross section and a sheet-like structure with a uniform thickness, the tip blade 603 has a triangular cross section and a pointed cone structure, an included angle a is formed at one end of the tip blade 603 abutting against the upper axle cylinder 4, and an included angle b is formed at a lower end of one side of the upper blade 6 abutting against the upper axle cylinder 4, where the included angle b is smaller than 0 ° or smaller than 90 °. By the design, the top blade 603 is erected at the top of the upper blade 6, the top end is sharp, the cutting capability of the ore pulp liquid flow mixed with a large amount of air is enhanced, the bubble generation amount of the upper blade 6 is greatly improved, the upper blade 6 is abutted to the upper end and the lower end of one side of the upper wheel axle cylinder 4, and included angles a and b are respectively formed, so that the loss degree of the upper blade 6 is reduced, and the air introduction effect of the upper blade 6 and the stirring capability of the upper blade 6 are not influenced.
In an embodiment, the lower blade 9 is a sheet structure with a rectangular cross section and uneven thickness, the thickness of the lower blade 9 gradually increases along with the radial gradual outward of the lower wheel disc 8, an included angle c is formed at the lower end of one side, away from the lower wheel shaft cylinder 7, of the lower blade 9, the included angle c is 0 degrees < c <90 degrees, and irregular protrusions 903 are distributed on the surface layer of the lower blade 9. Design like this, lower blade 9 adopts the sheet structure of thickness inequality, helps increasing the export limit thickness of impeller to the design of contained angle c makes a plurality ofly lower blade 9 presents for the frustum of a cone structure when rotatory, still reduce cost, in addition irregular protruding 903's design, under the combined action of above-mentioned structure, has strengthened greatly lower blade 9's stand wear and tear degree.
In an embodiment, a first inserting plate 601 is fixed at the bottom of the upper blade 6, the width of the first inserting plate 601 is greater than that of the upper blade 6, the first inserting plate 601 is matched with a first inserting groove 501 which is formed in the top surface of the upper wheel disc 5 and is in a T-shaped structure in a sliding insertion manner, and the bottom end of the upper blade 6 and the first inserting plate 601 are both immersed in the first inserting groove 501;
go up blade 6 conflict extremely the one end of going up an axle section of thick bamboo 4 is fixed with first slide 602 between two parties, the width of first slide 602 is greater than go up blade 6's width, first slide 602 adopts flexible material, just first slide 602 with the first spout 401 that is T style of calligraphy structure that the outer wall of last axle section of thick bamboo 4 was seted up slides the lock and matches, first spout 401 with first slot 501 is linked together, just go up blade 6's tip with first slide 602 all does not go into in the first spout 401. By the design, the upper blade 6 is used as an extremely easy-to-wear part, and a sliding and inserting mounting mode is adopted, so that the replacement is convenient, the cost is reduced, the whole impeller does not need to be replaced after the impeller device is worn, and in addition, the first sliding plate 602 is matched with the first sliding groove 401 in a sliding and buckling manner, so that the mounting stability of the upper blade 6 is greatly improved;
when the upper blade 6 is replaced, the first inserting plate 601 and the tip of the bottom end of the upper blade 6 are firstly inserted into the first inserting groove 501 in a sliding manner until the first inserting plate abuts against the upper axle tube 4, and the first sliding plate 602 has flexibility, so that the first inserting plate can be deformed and buckled into the first sliding groove 401 until the installation is completed.
In an embodiment, a second inserting plate 901 is fixed at the top of the lower blade 9, the width of the second inserting plate 901 is greater than that of the lower blade 9, the second inserting plate 901 is matched with a second inserting groove 801 which is formed in the bottom surface of the lower wheel disc 8 and is in a T-shaped structure in a sliding insertion manner, and the top end of the lower blade 9 and the second inserting plate 901 are both immersed in the second inserting groove 801;
the lower blade 9 is abutted to the lower end of one side of the lower wheel shaft cylinder 7, a second sliding plate 902 is fixed to the lower end of the one side of the lower wheel shaft cylinder 7, the width of the second sliding plate 902 is larger than that of the lower blade 9, the second sliding plate 902 is made of flexible materials, the second sliding plate 902 is matched with a second sliding groove 701 which is formed in the outer wall surface of the lower wheel shaft cylinder 7 and is of a T-shaped structure in a sliding buckling mode, the second sliding groove 701 is communicated with the second inserting groove 801, and the tip of the end portion of the lower blade 9 and the second sliding plate 902 are both immersed in the second sliding groove 701. By the design, the lower blade 9 is used as an extremely easy-to-wear part, and a sliding and inserting mounting mode is adopted, so that the lower blade is convenient to replace, the cost is reduced, the whole impeller does not need to be replaced after the impeller device is worn, and in addition, the second sliding plate 902 is matched with the second sliding groove 701 in a sliding and buckling manner, so that the mounting stability of the lower blade 9 is greatly improved;
when the lower blade 9 is replaced, the second inserting plate 901 and the tip of the bottom end of the lower blade 9 are firstly inserted into the second inserting groove 801 in a sliding manner until the second inserting plate abuts against the lower wheel shaft tube 7, and the second sliding plate 902 has flexibility, so that the second inserting plate can be buckled into the second sliding groove 701 in a deformable manner until the installation is completed.
In an embodiment, the positioning device further includes a plurality of positioning nails 10, the positioning nails 10 have a plurality of positioning holes 502 respectively distributed at intervals on two sides of the upper wheel disc 5 located in the first slot 501, a plurality of second positioning holes 802 respectively distributed at intervals on two sides of the lower wheel disc 8 located in the second slot 801, the positioning nails 10 respectively penetrate through the first positioning holes 502 or the second positioning holes 802 and are fixed to the first insert plate 601 or the second insert plate 901, and the positioning nails 10 are immersed in the first positioning holes 502 or the second positioning holes 802. Due to the design, the positioning nails 10 play a role in reinforcing the installation stability of the upper blades 6 and the lower blades 9, the positioning nails 10 are immersed in the positioning holes, the upper wheel disc 5 or the lower wheel disc 8 is prevented from being exposed outside, and the damage degree of ore pulp and medicament to the impeller device is reduced when the impeller device is in rotary stirring operation.
In an embodiment, a through hole is formed in the center of the separation disc 3, the upper wheel disc 5 and the lower wheel disc 8 are detachably mounted on the top surface and the bottom surface of the separation disc 3, the upper axle cylinder 4 is fixed on the top surface of the upper wheel disc 5 in the center, the lower axle cylinder 7 is fixed on the bottom surface of the lower wheel disc 8 in the center, the upper axle cylinder 4, the upper wheel disc 5, the separation disc 3, the lower wheel disc 8 and the lower axle cylinder 7 are longitudinally communicated with each other, a plurality of first air holes 402 are formed between two adjacent first sliding grooves 401 of the upper axle cylinder 4 at intervals, a plurality of second air holes 702 are formed between two adjacent second sliding grooves 701 of the lower axle cylinder 7 at intervals, and the diameter of each second air hole 702 is greater than that of each first air hole 402. By the design, the upper impeller assembly 1 is in airflow communication with the lower impeller assembly 2, and air introduced by the upper wheel shaft cylinder 4 can not only form a vacuum area at the upper part of the impeller device, but also disperse out from the lower wheel shaft cylinder 7, so that the aim of fully mixing with ore pulp and medicament is fulfilled, and the flotation effect is improved.
In an embodiment, the separation disc further includes a plurality of countersunk head nails 11, the upper wheel disc 5 is provided with a first countersunk hole 503 between two adjacent first slots 501, the lower wheel disc 8 is provided with a second countersunk hole 803 between two adjacent second slots 801, and the countersunk head nails 11 respectively pass through the first countersunk holes 503 or the second countersunk holes 803 and are fixed to the separation disc 3. Design like this, countersunk head nail 11 plays the effect of consolidating this impeller device integral erection degree of steadiness, countersunk head nail 11 submerges in the countersunk head downthehole, avoids exposing last rim plate 5 or rim plate 8's outside down reduces at this impeller device when stirring the operation soon, and ore pulp, medicament are to its degree of damage.
In one embodiment, the diameter of the upper wheel disc 5 is equal to the diameter of the separating disc 3, the lower wheel disc 8 is in the shape of a trapezoid disk with a large top and a small bottom, the diameter of the top surface of the lower wheel disc 8 is equal to the diameter of the separating disc 3, and the heights of the upper axle cylinder 4 and the upper blades 6 are smaller than the heights of the lower axle cylinder 7 and the lower blades 9 respectively. Design like this, reach this impeller device focus and sink, and be partial to lower impeller subassembly 2's purpose both can improve this impeller device and at the stability degree when stirring ore pulp, medicament soon, avoids taking place the displacement crooked, can play the stirring effect to subsiding to the ore pulp at the bottom again.
In an embodiment, the top surface and the bottom surface of the upper wheel shaft cylinder 4 are not blocked, the inner wall surface of the upper wheel shaft cylinder 4 is uniformly distributed with thread strips with the knob direction opposite to the rotation direction of the main shaft of the flotation concentrator, and the top surface and the bottom surface of the lower wheel shaft cylinder 7 are not blocked. By the design, when the impeller device rotates under the driving action of the main shaft, the upper impeller shaft barrel 4 needs to be installed in threaded fit with the main shaft, the direction of a threaded strip knob on the inner wall surface of the upper impeller shaft barrel 4 is designed to be opposite to the rotating direction of the main shaft, so that the threaded fit is tighter and tighter along with the continuous rotation of the main shaft, the loosening and falling are avoided, the lower impeller shaft barrel 7 is in air flow communication with the upper impeller shaft barrel 4, and the design of bottom surface plugging is adopted, so that the phenomenon that the introduced air is excessively dispersed from the bottom of the upper impeller shaft barrel 4 can be avoided.
It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this disclosure.
Claims (10)
1. A flotation concentrator impeller which is characterized in that: the impeller assembly comprises an upper impeller assembly (1), a lower impeller assembly (2) and a separating disc (3), wherein the upper impeller assembly (1) and the lower impeller assembly (2) are detachably mounted at the top and the bottom of the separating disc (3) respectively;
the upper impeller assembly (1) comprises an upper impeller shaft cylinder (4), an upper wheel disc (5) and a plurality of upper blades (6), the upper blades (6) are uniformly arranged on the top surface of the upper wheel disc (5) in a surrounding manner and respectively surround the upper impeller shaft cylinder (4) as centers, the upper blades (6) are matched with the upper wheel disc (5) in a sliding and inserting manner, and tip blades (603) are fixed at the tops of the upper blades (6);
the lower impeller assembly (2) comprises a lower impeller shaft cylinder (7), a lower impeller disc (8) and lower blades (9), the lower blades (9) are provided with a plurality of pairs, the two pairs of lower blades (9) are respectively wound around the lower impeller shaft cylinder (7) as centers, the lower blades are uniformly and annularly arranged on the bottom surface of the lower impeller disc (8), the lower blades (9) are matched with the upper impeller disc (5) in a sliding insertion mode, the included angle between any pair of lower blades (9) is A, the included angle between two adjacent pairs of lower blades (9) is B, and A is less than B.
2. A floating concentrator impeller as claimed in claim 1, wherein: the upper blade (6) is of a sheet structure with a rectangular cross section and uniform thickness, the tip blade (603) is of a triangular pointed cone structure with a triangular cross section, an included angle a is formed at one end, abutted to the upper axle cylinder (4), of the tip blade (603), an included angle b is formed at the lower end, abutted to one side of the upper axle cylinder (4), of the upper blade (6), and the included angle b is 0 degrees < a or b <90 degrees.
3. A floating concentrator impeller as claimed in claim 1, wherein: lower blade (9) are the cross-section and are the rectangle, and the sheet structure of uneven thickness, along with radial gradually outwards of lower rim plate (8), the thickness of lower blade (9) is crescent, lower blade (9) are kept away from the lower extreme of lower wheel axletree section of thick bamboo (7) one side has been seted up contained angle c, and 0 ° < c <90 °, just the top layer distribution of lower blade (9) has irregular arch (903).
4. A floating concentrator impeller as claimed in claim 1, wherein: a first inserting plate (601) is fixed at the bottom of the upper blade (6), the width of the first inserting plate (601) is larger than that of the upper blade (6), the first inserting plate (601) is matched with a first inserting groove (501) which is formed in the top surface of the upper wheel disc (5) and is of a T-shaped structure in a sliding inserting mode, and the bottom end of the upper blade (6) and the first inserting plate (601) are both immersed into the first inserting groove (501);
go up blade (6) conflict extremely the one end of going up a wheel shaft section of thick bamboo (4) is fixed with first slide (602) between two parties, the width of first slide (602) is greater than the width of going up blade (6), first slide (602) adopt flexible material, just first slide (602) with go up wheel shaft section of thick bamboo (4) outer wall offer some first spout (401) the slip lock that are T style of calligraphy structure and match, first spout (401) with first slot (501) are linked together, just the tip end of going up blade (6) with first slide (602) all do not go into in first spout (401).
5. A floating concentrator impeller as claimed in claim 1, wherein: a second inserting plate (901) is fixed at the top of the lower blade (9), the width of the second inserting plate (901) is larger than that of the lower blade (9), the second inserting plate (901) is matched with a second inserting groove (801) which is formed in the bottom surface of the lower wheel disc (8) and is of a T-shaped structure in a sliding inserting mode, and the top end of the lower blade (9) and the second inserting plate (901) are both immersed in the second inserting groove (801);
the lower blade (9) is abutted to the lower end of one side of the lower wheel shaft cylinder (7) and is fixedly provided with a second sliding plate (902), the width of the second sliding plate (902) is larger than that of the lower blade (9), the second sliding plate (902) is made of flexible materials, the second sliding plate (902) is matched with a second sliding groove (701) which is formed in the outer wall surface of the lower wheel shaft cylinder (7) and is of a T-shaped structure in a sliding and buckling mode, the second sliding groove (701) is communicated with the second inserting groove (801), and the tip of the end portion of the lower blade (9) and the second sliding plate (902) are both immersed in the second sliding groove (701).
6. A floating concentrator impeller as claimed in claim 4 or 5, wherein: still include location nail (10), location nail (10) have a plurality ofly, it is located to go up rim plate (5) the both sides of first slot (501) respectively interval distribution have a plurality of first locating hole (502), rim plate (8) are located down the both sides of second slot (801) respectively interval distribution have a plurality of second locating hole (802), location nail (10) pass respectively first locating hole (502) or second locating hole (802) and fix extremely first picture peg (601) or second picture peg (901), just location nail (10) immerse in first locating hole (502) or second locating hole (802).
7. A floating concentrator impeller as claimed in claim 4 or 5, wherein: the center of the separation disc (3) is provided with a through hole, the upper wheel disc (5) and the lower wheel disc (8) are respectively detachably mounted on the top surface and the bottom surface of the separation disc (3), the upper wheel shaft cylinder (4) is fixed on the top surface of the upper wheel disc (5) in the middle, the lower wheel shaft cylinder (7) is fixed on the bottom surface of the lower wheel disc (8) in the middle, the upper wheel shaft cylinder (4), the upper wheel disc (5), the separation disc (3), the lower wheel disc (8) and the lower wheel shaft cylinder (7) are longitudinally communicated with each other, the upper wheel shaft cylinder (4) is positioned between two adjacent first sliding grooves (401) at intervals and is provided with a plurality of first air holes (402), the lower wheel shaft cylinder (7) is positioned between two adjacent second sliding grooves (701) at intervals and is provided with a plurality of second air holes (702), and the diameter of the second air holes (702) is larger than that of the first air holes (402).
8. A floating concentrator impeller as claimed in claim 4 or 5, wherein: the separating disc is characterized by further comprising a plurality of countersunk nails (11), wherein first countersunk holes (503) are formed in the upper wheel disc (5) and located between two adjacent first slots (501), second countersunk holes (803) are formed in the lower wheel disc (8) and located between two adjacent second slots (801), and the countersunk nails (11) penetrate through the first countersunk holes (503) or the second countersunk holes (803) respectively and are fixed to the separating disc (3).
9. A floating concentrator impeller as claimed in claim 1, wherein: the diameter of the upper wheel disc (5) is equal to that of the separating disc (3), the lower wheel disc (8) is in a trapezoidal disc shape with a large upper part and a small lower part, the diameter of the top surface of the lower wheel disc (8) is equal to that of the separating disc (3), and the heights of the upper wheel shaft cylinder (4) and the upper blades (6) are respectively smaller than those of the lower wheel shaft cylinder (7) and the lower blades (9).
10. A floating concentrator impeller as claimed in claim 1, wherein: the top surface and the bottom surface of the upper wheel shaft cylinder (4) are not blocked, thread strips with knob directions opposite to the rotation direction of the main shaft of the flotation concentrator are uniformly distributed on the inner wall surface of the upper wheel shaft cylinder (4), and the top surface and the bottom surface of the lower wheel shaft cylinder (7) are not blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960336.7A CN115254446A (en) | 2022-08-11 | 2022-08-11 | Floating concentrator impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960336.7A CN115254446A (en) | 2022-08-11 | 2022-08-11 | Floating concentrator impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115254446A true CN115254446A (en) | 2022-11-01 |
Family
ID=83750219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210960336.7A Pending CN115254446A (en) | 2022-08-11 | 2022-08-11 | Floating concentrator impeller |
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| Country | Link |
|---|---|
| CN (1) | CN115254446A (en) |
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