CN215995765U

CN215995765U - High-efficient dewatering device of concentrate

Info

Publication number: CN215995765U
Application number: CN202022778205.6U
Authority: CN
Inventors: 张珍雄; 朱强; 耿跃会; 代泽宇
Original assignee: Yunnan Simaoshan Copper Co ltd
Current assignee: Yunnan Simaoshan Copper Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2022-03-11
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a concentrate high-efficiency dewatering device, which comprises a ceramic filter and a backwashing device; the back washing device comprises a dilute acid barrel, an acid pump and a back washing pipeline; the acid pump is arranged on the dilute acid barrel; the back flushing pipeline comprises a first back flushing pipe and a second back flushing pipe; the first back flushing pipe is arranged above the dilute acid barrel; the lower part of the first backwashing pipe is connected with the liquid inlet end of the second backwashing pipe; the liquid outlet end of the second backwashing pipe is downwards connected to the ceramic filter; a dilute nitric acid inlet is formed in the first backwashing pipe; the dilute nitric acid inlet is connected with an acid pump through a pipeline; the second backwashing pipeline is provided with a backwashing water inlet valve; the technical scheme adopted by the utility model solves the problems that the water level of an acid inlet back flushing water pipe arranged in the existing dehydration device is lower than that of a dilute acid barrel, so that uneven acid liquor backflow is caused, and equipment such as a pipeline, a ball valve and a submersible pressure pump is damaged and frequently replaced, and the production cost is increased.

Description

High-efficient dewatering device of concentrate

Technical Field

The utility model relates to the technical field of mineral separation, in particular to a high-efficiency concentrate dehydration device.

Background

The ceramic filter is a key device of a concentrate dehydration system. The working process of the ceramic filter comprises the following steps: slurry sucking process, sucking drying process, material scraping process, back washing process and combined cleaning process. When the filter operates for a long time, the filter plate can be fully washed so as to keep the efficient operation of the ceramic filter. However, in the actual back washing and combined cleaning process, the water level of the acid inlet back washing water pipe in the original design (see attached figure 1) is lower than that of the dilute acid barrel, so that uneven acid liquor backflow is caused, and equipment such as pipelines, ball valves and submersible pressure pumps are damaged and frequently replaced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a concentrate high-efficiency dehydration device, which solves the problems that the water level of an acid inlet back flushing water pipe arranged in the existing dehydration device is lower than that of a dilute acid barrel, so that uneven acid liquor backflow is caused, and equipment such as a pipeline, a ball valve, a submersible pressure pump and the like are damaged and are frequently replaced, and the production cost is increased.

In order to solve the technical problems, the utility model adopts the following technical scheme: an efficient concentrate dehydration device comprises a ceramic filter and a backwashing device; the back washing device comprises a dilute acid barrel, an acid pump and a back washing pipeline; the acid pump is arranged on the dilute acid barrel; the back flushing pipeline comprises a first back flushing pipe and a second back flushing pipe; the first back flushing pipe is arranged above the dilute acid barrel; the lower part of the first backwashing pipe is connected with the liquid inlet end of the second backwashing pipe; the liquid outlet end of the second backwashing pipe is downwards connected to the ceramic filter; a dilute nitric acid inlet is formed in the first backwashing pipe; the dilute nitric acid inlet is connected with an acid pump through a pipeline; the second backwashing pipeline is provided with a backwashing water inlet valve;

further, the ceramic filter is also connected to the submersible booster pump through a third backwashing pipe; a vacuum pump is arranged on the third backwashing pipe;

further, a stirring device is arranged in the dilute acid barrel; the dilute acid barrel is provided with a feed inlet;

furthermore, the stirring device comprises a motor, a stirring rod, a moving ring and stirring blades; the motor drives the stirring rod to rotate in the dilute acid barrel; the movable ring is movably sleeved on the stirring rod up and down; the stirring blade is connected with the moving ring;

furthermore, a threaded section is arranged on the circumferential surface of the stirring rod; the inner wall of the moving ring is provided with internal threads corresponding to the thread sections; the movable ring is engaged with the stirring rod through threads and is movably sleeved on the stirring rod up and down;

furthermore, two ends of the threaded section are also provided with limiting rings; the outer diameter of the limiting ring is larger than the inner diameter of the moving ring;

the further technical proposal is that a plurality of through holes are arranged on the stirring blade.

Compared with the prior art, the utility model has the beneficial effects of at least one of the following:

1. the height position of the first back flushing pipe is arranged above the dilute acid barrel, so that the occurrence of uneven acid liquor backflow is favorably reduced, and the corrosion to pipelines, a ceramic filter and a submersible booster pump is favorably avoided;

2. the backflushing water inlet valve is arranged on the second backflushing pipe, which is beneficial to preventing acid liquor from backflowing to corrode the ceramic filter.

Drawings

FIG. 1 is a schematic diagram of the original design structure of a dewatering device.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of another embodiment of the present invention.

FIG. 4 is a schematic view of the stirring device.

In the drawings: 1. a ceramic filter; 2. a dilute acid barrel; 3. an acid pump; 4. a first backwash pipe; 5. a second backwash pipe; 6. a dilute nitric acid inlet; 7. backwashing the water inlet valve; 8. a third backwash pipe; 9. a submersible booster pump; 10. a vacuum pump; 11. a stirring device; 12. a motor; 13. a stirring rod; 14. a moving ring; 15. a stirring blade; 16. a limiting ring; 17. a threaded segment; 18. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1: as shown in figure 2, the high-efficiency concentrate dewatering device comprises a ceramic filter 1 and a back washing device; the back washing device comprises a dilute acid barrel 2, an acid pump 3 and a back washing pipeline; the acid pump 3 is arranged on the dilute acid barrel 2; the back flushing pipeline comprises a first back flushing pipe 4 and a second back flushing pipe 5; the first backwashing pipe 4 is arranged above the dilute acid barrel 2; the lower part of the first backwashing pipe 4 is connected with the liquid inlet end of the second backwashing pipe 5; the liquid outlet end of the second backwashing pipe 5 is downwards connected to the ceramic filter 1; a dilute nitric acid inlet 6 is formed in the first backwashing pipe 4; the dilute nitric acid inlet 6 is connected with the acid pump 3 through a pipeline; a backflushing water inlet valve is arranged on the 5-way second backflushing pipe; in the embodiment, the ceramic filter selects conventional commercial products, and any reasonable structure and installation mode can be selected according to requirements; in the embodiment, the acid pump 3, the first backwashing pipe 4, the second backwashing pipe 5, the dilute acid barrel 2 and the backwashing water inlet valve are all made of conventional materials with certain mechanical strength and corrosion resistance, and a conventional structure and installation mode are selected, so that any reasonable material and structure and connection installation mode thereof can be selected according to needs; in this embodiment, the dilute nitric acid inlet 6 and the acid pump 3 are connected by a conventional pipeline, and any reasonable connection and installation mode can be selected according to needs.

The height position of the first back flushing pipe is arranged above the dilute acid barrel 2, so that the occurrence of uneven acid liquor backflow is favorably reduced, and the corrosion to the pipeline, the ceramic filter 1 and the submersible booster pump 9 is favorably avoided; the backflushing water inlet valve is arranged on the second backflushing pipe 5, which is beneficial to preventing the acid liquor from backflowing to corrode the ceramic filter 1.

The ceramic filter 1 is also connected to a submersible booster pump 9 through a third backwashing pipe 8; a vacuum pump 10 is arranged on the third backwashing pipe 8; in this embodiment, the third backwash pipe 8 is made of a conventional material having a certain mechanical strength and corrosion resistance, and any reasonable material can be selected as required; in the embodiment, the submersible booster pump 9 is a conventional commercial product, and any reasonable structure and connection installation mode can be selected according to needs; in this embodiment, the vacuum pump 10 is a conventional commercially available product, and any reasonable structure and connection installation mode can be selected according to needs; compare with prior art, set up vacuum pump 10 between ceramic-medium filter 1 and dive booster pump 9, be favorable to avoiding the emergence of inhomogeneous diluted acid backward flow condition, be favorable to avoiding corroding vacuum pump 10, ceramic-medium filter 1 and dive booster pump 9.

A stirring device 11 is arranged in the dilute acid barrel 2; the dilute acid barrel 2 is provided with a feed inlet; in the embodiment, the stirring device 11 is arranged in the dilute acid barrel 2, so that the dilute acid stored in the dilute acid barrel 2 can be stirred at a proper time as required, and the problem that the flushing effect is influenced by the non-uniform concentration in the dilute nitric acid due to long-time non-use can be avoided; in this embodiment, the charging opening is beneficial to supplement charging in the dilute acid barrel 2 after a period of use. In this embodiment, a conventional commercially available sealing cover structure may be disposed on the feed opening.

The stirring device 11 comprises a motor 12, a stirring rod 13, a moving ring 14 and stirring blades 15; the motor 12 drives the stirring rod 13 to rotate in the dilute acid barrel 2; the movable ring 14 is movably sleeved on the stirring rod 13 up and down; the stirring blades 15 are connected with the moving ring 14; in this embodiment, the motor 12 is a conventional stepping motor 12 available on the market and is electrically connected to an external power supply, and any reasonable type, structure and installation mode of the motor 12 can be selected according to needs; in the embodiment, the output shaft of the motor 12 is connected with the stirring shaft coupler which is commercially available, and any reasonable shaft coupler structure and installation mode can be selected according to requirements; in the embodiment, the motor 12 is arranged at the bottom of the dilute acid barrel 2, and a conventional seal can be arranged at the connection position of the bottom of the dilute acid barrel 2 according to requirements; any reasonable connection and installation mode can be selected according to the requirement; in this embodiment, the stirring rod 13, the moving ring 14 and the stirring blades 15 are all made of conventional materials with certain mechanical strength and corrosion resistance, and any reasonable material can be selected according to the requirement; in this embodiment, when the motor 12 is just reversing, the removal ring 14 that sets up on the stirring is moved about the drive, and the reciprocating of removal ring 14 can be favorable to driving stirring vane 15 and reciprocate, is favorable to improving stirring vane 15's stirring scope, is favorable to improving the even matter effect.

The circumferential surface of the stirring rod 13 is provided with a threaded section 17; the inner wall of the moving ring 14 is provided with internal threads corresponding to the thread sections 17; the movable ring 14 is movably sleeved on the stirring rod 13 up and down through thread occlusion; in this embodiment, puddler 13 passes through the thread engagement with shift ring 14 and is connected, and when puddler 13 received the drive of motor 12, be favorable to driving shift ring 14 and reciprocate the rotation on puddler 13, be favorable to improving the stirring scope with stirring vane 15 that shift ring 14 is connected, be favorable to improving stirring effect.

Two ends of the threaded section 17 are also provided with limiting rings 16; the outer diameter of the limiting ring 16 is larger than the inner diameter of the moving ring 14; in this embodiment, the limiting ring 16 is made of a conventional material with certain mechanical strength and corrosion resistance, and any reasonable material can be selected according to the requirement; in this embodiment, the external diameter of the stop collar 16 is larger than the internal diameter of the shift ring 14, which is beneficial to limiting the path of the shift ring 14 moving up and down, and is beneficial to avoiding the shift ring 14 from coming off from the thread section 17, and is beneficial to improving the stability of the shift ring 14 moving and the stability of stirring.

A plurality of through holes 18 are arranged on the stirring blade 15; in this embodiment, the through-hole 18 that sets up on stirring vane 15 is favorable to stirring vane 15 to make the diluted acid liquid pass through when the stirring, is favorable to improving stirring vane 15's stirring effect.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. An efficient concentrate dehydration device comprises a ceramic filter (1) and a backwashing device; the method is characterized in that: the back washing device comprises a dilute acid barrel (2), an acid pump (3) and a back washing pipeline; the acid pump (3) is arranged on the dilute acid barrel (2); the back flushing pipeline comprises a first back flushing pipe (4) and a second back flushing pipe (5); the first backwashing pipe (4) is arranged above the dilute acid barrel (2); the lower part of the first backwashing pipe (4) is connected with the liquid inlet end of the second backwashing pipe (5); the liquid outlet end of the second backwashing pipe (5) is downwards connected to the ceramic filter (1); a dilute nitric acid inlet (6) is formed in the first backwashing pipe (4); the dilute nitric acid inlet (6) is connected with the acid pump (3) through a pipeline; a backflushing water inlet valve is arranged on the second backflushing pipe (5).

2. The efficient concentrate dewatering device according to claim 1, characterized in that: the ceramic filter (1) is also connected to a submersible booster pump (9) through a third backwashing pipe (8); a vacuum pump (10) is arranged on the third backwashing pipe (8).

3. The efficient concentrate dewatering device according to claim 1, characterized in that: a stirring device (11) is arranged in the dilute acid barrel (2); and a charging hole is arranged on the dilute acid barrel (2).

4. The efficient concentrate dewatering device according to claim 3, characterized in that: the stirring device (11) comprises a motor (12), a stirring rod (13), a moving ring (14) and stirring blades (15); the motor (12) drives the stirring rod (13) to rotate in the dilute acid barrel (2); the moving ring (14) is movably sleeved on the stirring rod (13) up and down; the stirring blade (15) is connected with the moving ring (14).

5. The efficient concentrate dewatering device according to claim 4, characterized in that: the circumferential surface of the stirring rod (13) is provided with a threaded section (17); the inner wall of the moving ring (14) is provided with internal threads corresponding to the thread sections (17); the movable ring (14) is movably sleeved on the stirring rod (13) up and down through thread occlusion.

6. The efficient concentrate dewatering device according to claim 5, characterized in that: two ends of the threaded section (17) are also provided with limiting rings (16); the outer diameter of the limiting ring (16) is larger than the inner diameter of the moving ring (14).

7. The efficient concentrate dewatering device according to claim 4, characterized in that: and a plurality of through holes (18) are arranged on the stirring blade (15).