CN220214190U

CN220214190U - Tailing filter

Info

Publication number: CN220214190U
Application number: CN202321718053.8U
Authority: CN
Inventors: 周飞; 邓军; 周奉宗; 赵克刚; 陈国槐
Original assignee: Shandong Yuxiao Zirconium &titanium Co ltd
Current assignee: Shandong Yuxiao Zirconium &titanium Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-12-22
Anticipated expiration: 2033-07-03

Abstract

The utility model relates to a tailing filter, which comprises a dewatering screen and a rotary screen arranged at the top of a feeding hole of the dewatering screen, wherein the dewatering screen comprises a screen frame, a support frame is arranged at the upper end of the screen frame, and the support frames are supported at the two ends of the rotary screen; a screen box is arranged above the screen frame and is erected on the screen frame through a spring block; the screen plate is obliquely arranged at the bottom end of the screen box and gradually decreases from one end close to the dewatering screen to one end far away from the dewatering screen; the screen plates are provided with stop bars at intervals, and the stop bars are fixed in the gaps of the screen plates; the stop lever separates fine tailings, so that the spreading width of the tailings is increased, and the dewatering effect is enhanced; the blocking rod collides with moisture adhered to the surface of the tailing sand, so that the effect of the dewatering screen is greatly improved; the motor outside the screen box provides the power required by the rotation of the rotary screen; the dewatering screen is combined with the drum screen, impurities and coarse sand are separated out after the tailings after natural dewatering are filtered and screened by the drum screen, and the fine tailings enter the dewatering screen for further dewatering, so that dry fine tailings are obtained, and convenience is brought to transportation and reuse of the tailings.

Description

Tailing filter

Technical Field

The utility model relates to the technical field of tailing filtering, in particular to a tailing filter.

Background

The tailings are solid mineral materials such as silicate or carbonate and the like formed by naturally dewatering tailings pulp discharged by a concentrating mill, wherein the tailings particles have different particle sizes and contain more impurities, and the tailings particles need to be filtered and screened before being refined.

At present, most enterprises filter and screen the naturally dehydrated tailings by using a drum screen or a dewatering screen, and the tailings filtered and screened by the single drum screen contain a large amount of water, so that the transportation and reutilization of the subsequent tailings are affected; the dewatering effect of the independent dewatering screen is common, and part of impurities contained in the tailings after filtering and screening are difficult to remove.

Disclosure of Invention

In order to solve the problem of insufficient filtering and screening of tailings in the background technology, the utility model provides a tailings filter.

The utility model provides a tailing filter which adopts the following technical scheme:

the tailing filter comprises a dewatering screen and a rotary screen arranged at the top of a feeding hole of the dewatering screen, wherein the dewatering screen comprises a screen frame, a supporting frame is arranged at the upper end of the screen frame, and the supporting frames are supported at two ends of the rotary screen; a screen box is arranged above the screen frame and is erected on the screen frame through a spring block; the spring blocks are used for damping, so that the service life is prolonged; the lower part of the screen box is provided with a water collecting tank for collecting water, and one end of the water collecting tank is provided with a water outlet.

Preferably, the bottom end of the screen box is obliquely provided with a screen plate, the screen plate gradually decreases from one end close to the dewatering screen to one end far away from the dewatering screen, and the tailings screened by the drum screen are dewatered and screened under the action of gravity and vibration; the side plates are arranged on two sides of the screen plate, and the vibrating motor connected with the two side plates through the vibrating shaft is arranged at the top end of the screen box.

Preferably, blocking rods are distributed on the sieve plate at intervals, and the blocking rods are fixed in the gaps of the sieve plate.

Preferably, a motor is arranged on the outer side of the screen box, the output end of the motor is connected with a speed reducer, and the output end of the motor is connected with a driving rotary screen through a conveyor belt to provide power required by rotation of the rotary screen.

Preferably, a spiral blade is arranged in the rotary screen around the rotating shaft; the surface of the drum screen is provided with a sand filtering net; the rotary screen is obliquely arranged, the front end of the rotary screen is provided with a feed pipe, the rear end of the rotary screen is provided with a discharge pipe, and one end of the feed pipe is higher than one end of the discharge pipe.

In summary, the utility model has the following beneficial technical effects:

1. the dewatering screen is combined with the drum screen, impurities and coarse sand are separated out after the tailings after natural dewatering are filtered and screened by the drum screen, and the fine tailings enter the dewatering screen for further dewatering, so that dry fine tailings are obtained, and convenience is brought to transportation and reuse of the tailings.

2. The blocking rods distributed on the sieve plate at intervals separate fine tailings, so that the spreading width of the tailings is increased, and the dewatering effect is enhanced; the blocking rod collides with the water adhered to the surface of the tailing sand, so that the effect of the dewatering screen is greatly improved.

Drawings

FIG. 1 is a schematic diagram of a tailing filter according to an embodiment of the present utility model;

FIG. 2 is a front view of a tailings filter in accordance with an embodiment of the present utility model;

FIG. 3 is a top view of a tailings filter in accordance with an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a trommel according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of the structure at a in fig. 3.

Reference numerals illustrate: 1. dewatering screen; 2. a drum screen; 3. a feed inlet; 4. a screen frame; 5. a support frame; 6. a spring block; 7. a screen box; 8. a water collection tank; 9. a water outlet; 10. a sieve plate; 11. a side plate; 12. a vibration shaft; 13. a vibration motor; 14. a stop lever; 15. a motor; 16. a speed reducer; 17. a conveyor belt; 18. a rotating shaft; 19. a helical blade; 20. a sand filtering net; 21. a feed pipe; 22. and a discharging pipe.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a tailing filter, referring to fig. 1, which comprises a dewatering screen 1 and a rotary screen 2 arranged at the top of a feed inlet 3 of the dewatering screen 1, wherein the dewatering screen 1 comprises a screen frame 4, a support frame 5 is arranged at the upper end of the screen frame 4, and the support frame 5 is supported at two ends of the rotary screen 2; a screen box 7 is arranged above the screen frame 4, the screen box 7 is erected on the screen frame 4 through a spring block 6, the spring block 6 is a rubber spring, the spring block 6 is used for damping, dehydration is more sufficient, and the service life of the vibration motor 13 can be influenced by the quality of the spring block 6; the lower part of the screen box 7 is provided with a water collecting tank 8, one end of the water collecting tank 8 is provided with a water outlet 9, and the water separated from the tailings is collected and reused.

Referring to fig. 1, 2 and 3, a screen plate 10 is obliquely arranged at the bottom end of the screen box 7, and the screen plate 10 gradually descends from one end close to the dewatering screen 1 to one end far away from the dewatering screen 1; the material of the screen plate 10 of the dewatering screen adopts ultra-high molecular polyurethane, has strong wear resistance and impact resistance, and can adjust the size of the screen holes according to the needs; the side plates 11 are installed on two sides of the screen plate 10, the vibrating motor 13 connected with the two side plates 11 through the vibrating shaft 12 is arranged at the top end of the screen box 7, and whether the vibrating motor operates normally or not is required to be debugged before the vibrating motor is used.

Referring to fig. 3 and 5, the blocking rods 14 are distributed on the sieve plate 10 at intervals, and the blocking rods 14 are fixed in the gaps of the sieve plate 10.

Referring to fig. 2, a motor 15 is arranged outside the screen box 7, the output end of the motor 15 is connected with a speed reducer 16, and the output end of the motor 15 is connected with a driving drum screen 2 through a conveyor belt 17.

Referring to fig. 3 and 4, spiral blades 19 are arranged around a rotating shaft 18 inside the rotary screen 2; the surface of the rotary screen 2 is provided with a sand filtering net 20; the trommel screen 2 is placed in an inclined mode, the front end of the trommel screen 2 is provided with a feed pipe 21, the rear end of the trommel screen 2 is provided with a discharge pipe 22, and one end of the feed pipe 21 is higher than one end of the discharge pipe 22.

The implementation principle of the tailing filter provided by the embodiment of the utility model is as follows: the tailings after natural dehydration enter an inclined roller screen 2 through a feed pipe 21 to be filtered and screened, impurities and coarse sand with larger particle size are discharged through a discharge pipe 22, fine tailings with smaller particle size and valuable to be used enter a dewatering screen 1 in the screening process, a vibrating motor 13 is started, the dewatering screen 1 further dewaters and screens the fine tailings, blocking rods 14 distributed on a screen plate 10 at intervals collide with the fine tailings to enhance the dewatering effect, and a water collecting tank 8 collects water.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a tailing filter which characterized in that: the novel rotary screen comprises a dewatering screen (1) and a rotary screen (2) arranged at the top of a feed inlet (3) of the dewatering screen (1), wherein the dewatering screen (1) comprises a screen frame (4), a supporting frame (5) is arranged at the upper end of the screen frame (4), and the supporting frames (5) are supported at two ends of the rotary screen (2); a screen box (7) is arranged above the screen frame (4), and the screen box (7) is erected on the screen frame (4) through a spring block (6); the lower part of the screen box (7) is provided with a water collecting tank (8), and one end of the water collecting tank (8) is provided with a water outlet (9).

2. A tailing filter as claimed in claim 1, wherein: a screen plate (10) is obliquely arranged at the bottom end of the screen box (7), and the screen plate (10) gradually decreases from one end close to the dewatering screen (1) to one end far away from the dewatering screen (1); side plates (11) are arranged on two sides of the screen plate (10), and a vibrating motor (13) connected with the two side plates (11) through a vibrating shaft (12) is arranged at the top end of the screen box (7).

3. A tailing filter as claimed in claim 2, wherein: the blocking rods (14) are distributed on the sieve plate (10) at intervals, and the blocking rods (14) are fixed at the gaps of the sieve plate (10).

4. A tailing filter as claimed in claim 1, wherein: the outside of the screen box (7) is provided with a motor (15), the output end of the motor (15) is connected with a speed reducer (16), and the output end of the motor (15) is connected with a driving rotary screen (2) through a conveyor belt (17).

5. A tailings filter according to claim 4, wherein: spiral blades (19) are arranged inside the rotary screen (2) around the rotating shaft (18); the surface of the rotary screen (2) is provided with a sand filtering net (20); the rotary screen (2) is obliquely arranged, the front end of the rotary screen (2) is provided with a feed pipe (21), the rear end of the rotary screen is provided with a discharge pipe (22), and one end of the feed pipe (21) is higher than one end of the discharge pipe (22).