CN209997246U

CN209997246U - high-efficiency concentrator

Info

Publication number: CN209997246U
Application number: CN201920391544.3U
Authority: CN
Inventors: 王小波; 许宝金; 李文美
Original assignee: Anqiu Ruixing Machinery Manufacturing Co Ltd
Current assignee: Anqiu Ruixing Machinery Manufacturing Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-31
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses an high-efficient concentrated machine, including climbing frame and transmission shaft, the lower extreme of transmission shaft is provided with the mount table, climbs the frame fixed mounting on the side of mount table, climbs the frame and includes two long rakes, two short rakes, auxiliary rakes and two scarification rakes, is fixed with the mud scraper on long rake and the short rakes, and the scarification rake is used for preventing to subside mineral aggregate and takes place to harden, and the fixed two sets of rake teeth that are provided with on the scarification rake, the auxiliary rake is fixed to be set up in the bottom of mount table, and the auxiliary rake includes center pin and helical blade, and helical blade is fixed to be set up on the center pin, and the upper portion of helical blade is big helical blade, the little helical blade in helical blade's lower part, the utility model discloses can avoid mineral aggregate to produce at concentrated bottom and harden, reduce the damage of climbing frame and transmission, reduce cost of maintenance, can also accelerate row's speed of arranging, avoid mineral aggregate to take place to harden, block up.

Description

high-efficiency concentrator

Technical Field

The utility model relates to an high-efficient concentrated machines belongs to concentrator technical field.

Background

The production process is continuous, the tailing pulp is fed from the middle part above the concentration tank, the clarified overflow water flows into an overflow water tank from the periphery of the concentration tank, and the settled product (underflow) is pumped out from a discharge port in the center of the cone bottom of the concentration tank.

However, the existing thickener has the following disadvantages:

1. along with the sedimentation and accumulation of mineral materials at the bottom of the concentration tank and the extrusion of the climbing frame on the sediment, the sediment is more and more compact, hardening is easily formed at the bottom of the concentration tank, and the resistance of the hardened mineral materials on a mud scraper on the climbing frame is increased, so that the climbing frame and a driving device thereof are frequently damaged; a large amount of manpower and material resources are wasted in maintenance work, the production cost is increased, and the working efficiency of the thickener is influenced;

2. in addition, the mineral aggregate can be hardened and blocked at the discharge hole in the aspect of , the hardening and blocking problems of the mineral aggregate at the discharge hole are reduced by the stirring action of the conventional discharge hole , but the conventional auxiliary rake structure only has the stirring action and cannot accelerate the speed of the mineral aggregate passing through the discharge hole, so that the efficiency of the thickener is low;

in view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above not enough, provide high-efficient concentrated machines, can avoid the mineral aggregate to produce in concentrated bottom of the pool and harden, reduce and climb frame and transmission's damage, reduced cost of maintenance, can also accelerate row's material speed, avoid the mineral aggregate to take place to harden, blocking phenomenon in discharge gate department, reduced concentrated machine's fault rate, improved concentration efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme that high-efficiency thickeners comprise a climbing frame and a transmission shaft, wherein the lower end of the transmission shaft is provided with a mounting table, the mounting table is a hexagonal cylinder, the climbing frame is fixedly mounted on the side surface of the mounting table, the climbing frame comprises two long rakes, two short rakes, auxiliary rakes and two loosening rakes, mud scraping plates are fixedly arranged on the long rakes and the short rakes, the loosening rakes are used for preventing sedimentation mineral materials from hardening, two groups of rake teeth are fixedly arranged on the loosening rakes, the number of each group of rake teeth is multiple, the rake teeth are rhombic cylinders, the cross sections of the rake teeth are gradually reduced from top to bottom, the distance from the rake teeth to the bottom of a concentration pool is 30-50mm smaller than the distance from the mud scraping plates to the bottom of the concentration pool, the auxiliary rakes are fixedly arranged at the bottom of the mounting table, the auxiliary rakes comprise a central shaft and helical blades, the helical blades are fixedly arranged on the central shaft, the central shaft is fixedly arranged on the central axis of the mounting table, the upper portions of the helical blades are large helical.

, a discharge opening is arranged at the central position of the bottom of the concentration tank, the upper part of the discharge opening is a conical section, and the lower part of the discharge opening is a vertical section.

And , arranging two long rakes, two short rakes and two loosening rakes symmetrically around the center of the mounting platform, wherein the long rakes, the short rakes and the loosening rakes are evenly arranged at intervals along the circumference.

, the small spiral blade is arranged in the vertical section of the discharge opening, and the big spiral blade is arranged in the conical section of the discharge opening.

And , scraping the settled mineral aggregate to the center of the concentration tank by a rectangular steel plate.

, arranging a plurality of vertical rods on the periphery of the helical blade, fixing the upper ends of the vertical rods on the mounting table, fixing another ends of the vertical rods with inclined rods, wherein the inclined angles of the inclined rods are the same as the conical section of the discharge port, and the other ends of the inclined rods are fixedly connected with the middle parts of the vertical rods through transverse rods.

And , arranging the transmission shaft and the concentration tank on the same central axis , and connecting the upper end of the transmission shaft with a transmission device which is fixedly arranged on the bridge.

, fixedly arranging a fixed cylinder below the bridge, wherein the upper end face of the fixed cylinder is 200mm higher than the weir face of the overflow weir, communicating and arranging a feeding pipe on the side wall of the fixed cylinder, wherein the feeding pipe is externally connected with an out-of-pool feeding pipe, communicating and arranging a dosing pipe on the feeding pipe, and the number of the dosing pipes is three, and the three dosing pipes are arranged on the feeding pipe at intervals.

, welding and forming the bridge by steel plates, wherein the end face of the bridge is I-shaped, the two ends of the bridge are arranged at the top of the wall of the concentration tank, the bridge spans the whole concentration tank, and the upper part of the concentration tank is provided with an overflow weir.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model can avoid the hardening of mineral aggregate at the bottom of the concentration tank, reduce the damage of the climbing frame and the transmission device thereof and reduce the maintenance cost; the discharge speed can be accelerated, the phenomena of hardening and blockage of mineral aggregates at the discharge opening are avoided, the fault rate of the thickener is reduced, and the concentration efficiency is improved.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of the creel;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

in the figure, the position of the upper end of the main shaft,

1-bridge frame, 2-transmission device, 3-dosing tube, 4-feeding tube, 5-fixed cylinder, 6-distributing cylinder, 7-climbing frame, 71-long rake, 72-short rake, 73-auxiliary rake, 731-helical blade, 732-central shaft, 733-vertical rod, 734-cross rod, 735-diagonal rod, 74-loosening rake, 75-mud scraper and 76-rake teeth; 8-transmission shaft, 9-discharge opening, 10-feeding pipe outside tank, 11-mounting table, 12-concentration tank and 13-overflow weir.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

EXAMPLE 1 high-efficiency thickener

As shown in fig. 1-3, the utility model provides kinds of high-efficiency thickeners, which comprise a bridge frame 1, a climbing frame 7 and a transmission device 2;

the bridge frame 1 is formed by welding steel plates, and the end face of the bridge frame 1 is I-shaped; the two ends of the bridge frame 1 are arranged at the top of the wall of the concentration tank 12; the bridge frame 1 spans the whole concentration tank 12; an overflow weir 13 is arranged at the upper part of the concentration tank 12;

a discharge outlet 9 is arranged at the bottom center position of the concentration tank 12, the upper part of the discharge outlet 9 is a conical section, and the lower part of the discharge outlet 9 is a vertical section;

a fixed cylinder 5 is fixedly arranged below the bridge frame 1, and the upper end surface of the fixed cylinder 5 is 200mm higher than the weir surface of the overflow weir 13; a feeding pipe 4 is communicated with the side wall of the fixed cylinder 5; the feeding pipe 4 is externally connected with an external feeding pipe 10, and the feeding pipe 4 is communicated with a dosing pipe 3; the number of the medicine feeding pipes 3 is three, and the three medicine feeding pipes 3 are arranged on the feeding pipe 4 at intervals;

the transmission device 2 is fixedly arranged on the bridge frame 1, the lower part of the transmission device 2 is connected with a transmission shaft 8, and the transmission shaft 8 and the concentration tank 12 are on the same central axis ;

the lower end of the transmission shaft 8 is provided with an installation table 11, and the installation table 11 is a hexagonal cylinder;

the climbing frame 7 is fixedly arranged on the side surface of the mounting table 11, and the climbing frame 7 comprises two long rakes 71, two short rakes 72, auxiliary rakes 73 and two loosening rakes 74;

the two long rakes 71, the two short rakes 72 and the two material loosening rakes 74 are respectively arranged symmetrically with the center of the mounting platform 11; the long rakes 71, the short rakes 72 and the material loosening rakes 74 are uniformly arranged at intervals along the circumference;

the long rake 71 and the short rake 72 are fixedly provided with a mud scraper 75; the mud scraping plate 75 is a rectangular steel plate; the scraper 75 is used for scraping the settled mineral aggregate to the center of the concentration tank 12;

the loosening rake 74 is used for preventing the settled mineral aggregate from hardening; two groups of rake teeth 76 are fixedly arranged on the material loosening rake 74, and the number of the rake teeth 76 in each group is multiple; the rake teeth 76 are diamond-shaped cylinders; the cross section of the rake teeth 76 is gradually reduced from top to bottom; the distance between the rake teeth 76 and the bottom of the concentration tank 12 is 30-50mm smaller than the distance between the mud scraper 75 and the bottom of the concentration tank 12;

the auxiliary rake 73 is fixedly arranged at the bottom of the mounting table 11; the auxiliary rake 73 comprises a central shaft 732, a helical blade 731, a vertical rod 733, a cross rod 734 and a diagonal rod 735; the helical blade 731 is fixedly arranged on the central shaft 732; the central shaft 732 is fixedly arranged on the central axis of the mounting table 11; the upper part of the spiral blade 731 is a large spiral blade, and the lower part of the spiral blade 731 is a small spiral blade; the small helical blade is arranged in the vertical section of the discharge opening 9; the large helical blade is arranged in the conical section of the discharge opening 9;

a plurality of vertical rods 733 are arranged on the periphery of the spiral blade 731, the upper ends of the vertical rods 733 are fixedly arranged on the mounting table 11, oblique rods 735 are fixedly arranged at the other ends of the vertical rods 733, the inclination angle of the oblique rods 735 is the same as the conical section of the discharge port 9, and the other end of the oblique rods 735 is fixedly connected with the middle parts of the vertical rods 733 through a cross rod 734;

the utility model discloses a theory of operation:

during operation, mineral materials flow into the fixed barrel 5 and the distributing barrel 6 through the feeding pipe 4 and then enter the concentrating tank 12; the transmission device 2 arranged on the bridge frame 1 drives the transmission shaft 8 to rotate; the transmission shaft 8 drives the rake frame 7 to do rotary motion, and the two long rakes 71 and the two long rakes 72 on the rake frame 7 scrape the settled materials to the center of the concentration tank 12 and discharge the materials through the discharge port 9;

in the process, the two loosening rakes 74 are arranged, the rake teeth 76 of the loosening rakes 74 are rhombic cylinders with the cross sections gradually reduced from top to bottom, and the resistance of the loosening rakes in mineral aggregate is small, when the loosening rakes 74 rotate along with the transmission shaft 8 , the loosening rakes play a role in loosening the accumulated mineral aggregate, so that the mud scraping plates 75 on the long rakes 71 and the short rakes 72 can more easily scrape the mineral aggregate to the center of the concentration tank, the mineral aggregate is prevented from being hardened at the bottom of the concentration tank, the damage of a climbing frame and a transmission device thereof is reduced, and the maintenance cost is reduced;

an auxiliary rake 73 is arranged in the discharge port 9, and a helical blade 731 with feeding and stirring functions is arranged on the auxiliary rake 73; the discharging speed of the discharging opening 9 is increased, the blockage of the discharging opening 9 is avoided, the fault rate of the thickener is reduced, and the concentration efficiency is also improved;

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

The efficient thickener comprises a climbing frame (7) and a transmission shaft (8), and is characterized in that the lower end of the transmission shaft (8) is provided with a mounting table (11), the mounting table (11) is a hexagonal cylinder, the climbing frame (7) is fixedly mounted on the side surface of the mounting table (11), the climbing frame (7) comprises two long rakes (71), two short rakes (72), auxiliary rakes (73) and two loosening rakes (74), the long rakes (71) and the short rakes (72) are fixedly provided with mud scraping plates (75), the loosening rakes (74) are used for preventing sedimentation mineral materials from being hardened, two groups of rake teeth (76) are fixedly arranged on the loosening rakes (74), the number of each group of rake teeth (76) is multiple, the rake teeth (76) are rhombic cylinders, the cross sections of the rake teeth (76) are gradually reduced from top to bottom, the distance from the rake teeth (76) to the bottom of the thickening tank (12) is greater than the distance from the mud scraping plates (75) to the bottom of the thickening tank (12), the spiral blades (731) are mounted on the central shaft of the auxiliary rakes (73), the spiral rake teeth (732) are arranged on the central shaft of the central shaft (731, the spiral bench (732), the spiral rake teeth (73) are arranged on the central shaft (732), and the central shaft (731) of the auxiliary rake (11) of the spiral rake (732) and the spiral rake (731) are arranged on the central shaft (732).
2. The high-efficiency thickener according to claim 1, wherein a discharge opening (9) is provided at the bottom center of the thickening tank (12), the upper part of the discharge opening (9) is a conical section, and the lower part of the discharge opening (9) is a vertical section.
3. The kinds of high-efficiency thickener according to claim 1, wherein two long rakes (71), two short rakes (72) and two loosening rakes (74) are symmetrically arranged at the center of the mounting platform (11), and the long rakes (71), the short rakes (72) and the loosening rakes (74) are evenly spaced along the circumference.
4. type high efficiency thickener according to claim 2, wherein the small helical blade is provided in the vertical section of the discharge opening (9) and the large helical blade is provided in the tapered section of the discharge opening (9).
5. The concentrated ore machine of claim 1, wherein the scraper (75) is a rectangular steel plate, and the scraper (75) is used to scrape the settled ore material to the center of the concentrating pool (12).
6. The high-efficiency concentrator as claimed in claim 2, wherein the helical blades (731) have vertical bars (733) around their periphery, the upper ends of the vertical bars (733) are fixed to the mounting platform (11), the other ends of the vertical bars (733) have diagonal bars (735), the angle of inclination of the diagonal bars (735) is the same as the conical section of the discharge opening (9), and the other ends of the diagonal bars (735) are fixed to the middle of the vertical bars (733) by cross bars (734).
7. The types of high-efficiency concentrating machines according to claim 1, wherein the drive shaft (8) and the concentrating tank (12) are on the same central axis , the upper end of the drive shaft (8) is connected with a transmission device (2), and the transmission device (2) is fixedly arranged on the bridge frame (1).
8. The high-efficiency concentrator as claimed in claim 7, wherein a fixed cylinder (5) is fixedly arranged below the bridge (1), the upper end face of the fixed cylinder (5) is 200mm higher than the weir face of the overflow weir (13), a feeding pipe (4) is arranged on the side wall of the fixed cylinder (5) in a communicating manner, the feeding pipe (4) is externally connected with an out-of-tank feeding pipe (10), the feeding pipe (4) is provided with three feeding pipes (3) in a communicating manner, and the three feeding pipes (3) are arranged on the feeding pipe (4) at intervals.
9. The high-efficiency concentrator as claimed in claim 7, wherein the bridge (1) is welded by steel plates, the end face of the bridge (1) is I-shaped, the two ends of the bridge (1) are arranged on the top of the wall of the concentrating tank (12), the bridge (1) spans the whole concentrating tank (12), and the upper part of the concentrating tank (12) is provided with an overflow weir (13).