阅读说明：本技术 一种将黄金尾矿直接分级的装置及其使用方法 (Device for directly grading gold tailings and using method thereof ) 是由 王斌 王书岩 王洪波 丛玉韶 孙宝军 王书强 王新程 于 2019-12-31 设计创作，主要内容包括：本发明提供一种将黄金尾矿直接分级的装置,包括若干水力旋流器组,水力旋流器组包括至少一个水力旋流器；水力旋流器组内上一级的水力旋流器的溢流管与其下一级的水力旋流器的进料管连通；上一组的水力旋流器组的末个水力旋流器的溢流管与其下一组的水力旋流器组的首个水力旋流器的进料管连通；若干传送装置,分别与第一组水力旋流器组首个水力旋流器的进料管相连,以及设置于相邻水力旋流器的溢流管与进料管之间。采用本发明的装置及其使用方法,能够实现黄金尾矿的直接分级,具有处理量大、分级精度高、分级效率高等优点,能够满足企业矿砂颗粒产品多样化生产需求、提高企业的经济效益。(The invention provides a device for directly grading gold tailings, which comprises a plurality of hydrocyclone groups, wherein each hydrocyclone group comprises at least one hydrocyclone; the overflow pipe of the hydrocyclone at the upper stage in the hydrocyclone group is communicated with the feeding pipe of the hydrocyclone at the lower stage; the overflow pipe of the last hydrocyclone of the hydrocyclone group of the previous group is communicated with the feeding pipe of the first hydrocyclone of the hydrocyclone group of the next group; and the conveying devices are respectively connected with the feeding pipes of the first hydrocyclones set and are arranged between the overflow pipes and the feeding pipes of the adjacent hydrocyclones. By adopting the device and the using method thereof, the direct grading of the gold tailings can be realized, the device has the advantages of large treatment capacity, high grading precision, high grading efficiency and the like, the diversified production requirements of the ore sand particle products of enterprises can be met, and the economic benefit of the enterprises can be improved.)

1. An apparatus for directly grading gold tailings, which is characterized by comprising:

a plurality of hydrocyclone banks including at least one hydrocyclone; the hydrocyclone is provided with a feeding pipe, an overflow pipe and an underflow pipe; an overflow pipe of the hydrocyclone at the upper stage in the hydrocyclone group is communicated with a feeding pipe of the hydrocyclone at the lower stage;

the overflow pipe of the last hydrocyclone of the hydrocyclone group of the previous group is communicated with the feeding pipe of the first hydrocyclone of the hydrocyclone group of the next group;

and the conveying devices are respectively connected with the feeding pipes of the first hydrocyclones set and are arranged between the overflow pipes and the feeding pipes of the adjacent hydrocyclones.

2. The apparatus for directly grading gold tailings according to claim 1, wherein when the hydrocyclone group comprises a plurality of hydrocyclones, the plurality of hydrocyclones in each hydrocyclone group have the same structural parameters.

3. The apparatus for directly grading gold tailings according to claim 1 or 2, further comprising,

the hydraulic cyclone is fixedly arranged on the bracket;

the anti-clogging system, comprising,

the first cylinder is fixedly arranged on the bracket;

the dredging part is arranged on the bracket in a sliding manner; the dredging part comprises a plurality of through holes,

the sliding seat is arranged on the bracket in a sliding manner and is connected with the first cylinder; the sliding seat is provided with a guide bracket, and the guide bracket is provided with a track;

the movable bracket is connected with the guide bracket in a sliding way;

the lifting mechanism comprises a lead screw arranged on the bracket, and the lead screw is connected with a nut; one end of the nut is connected with the movable support, and the other end of the nut is provided with a belt wheel;

the transmission mechanism is arranged on the movable support and comprises a motor arranged on the movable support, the motor is connected with an output shaft, a driving wheel is slidably arranged on the output shaft, one end of the driving wheel is an intermittent gear part, and the other end of the driving wheel is a full gear part; the driving wheel is provided with a gear sleeve, and the gear sleeve is connected with a second cylinder; the first gear can be meshed with the full-gear part discontinuously, and is connected with a rotating shaft which is provided with a dredging harrow; the transmission shaft is arranged on the movable support and is provided with a transmission wheel, and the transmission wheel is connected with the belt wheel; the transmission shaft is also provided with a second gear and a third gear, the third gear can be in intermittent meshed connection with the intermittent gear part, and the second gear can be in intermittent meshed connection with the full-gear part;

and the integrated electric control system is respectively connected with the first cylinder, the second cylinder, the motor and the conveying device.

4. The apparatus for directly grading gold tailings as claimed in claim 3, wherein the lower end of the driving wheel is provided with an intermittent gear part, the upper end of the driving wheel is provided with a full-gear part, and the diameter of the intermittent gear part is smaller than that of the full-gear part; the second gear is arranged above the third gear, and the diameter of the second gear is smaller than that of the third gear.

5. The apparatus for directly grading gold tailings according to claim 3, wherein an optical axis part is arranged between the intermittent gear part and the full gear part, the optical axis part is sleeved with the gear sleeve, and an annular gap is formed between the gear sleeve and the optical axis part.

6. The apparatus for directly grading gold tailings according to claim 1 or 2, further comprising a fluid pressure detection element, wherein the fluid pressure detection element is arranged in the feed pipe of the hydrocyclone.

7. An apparatus for directly grading gold tailings as claimed in claim 1 or 2, further comprising a slurry concentration adjusting device, wherein the slurry concentration adjusting device is respectively communicated with the conveying device of the first stage hydrocyclone and is arranged between the overflow pipe and the conveying device of the adjacent hydrocyclone.

8. The apparatus for directly grading gold tailings according to claim 3, wherein the use method of the anti-clogging system comprises the following steps:

controlling a first air cylinder to be electrified, and stopping the first air cylinder after the first air cylinder pushes the dredging part to move to a set position;

the motor is controlled to rotate, the motor rotates to drive the driving wheel to rotate, and then simultaneously, the full-tooth gear part drives the first gear to rotate, and the first gear rotates to drive the dredging harrow to continuously rotate; the intermittent gear part drives the third gear to rotate intermittently, the third gear drives the transmission wheel to rotate, and the transmission wheel rotates to drive the nut to rotate intermittently so as to drive the movable bracket to move intermittently upwards;

when the dredging harrow moves upwards for a set height, the motor stops rotating, the second cylinder drives the driving wheel to move for a set distance, so that the second gear is meshed with the full-tooth gear part, and the first gear and the third gear are not meshed with the driving wheel; controlling the motor to rotate reversely, wherein the motor rotates to drive the full-gear part to rotate, the full-gear part rotates to drive the transmission wheel to coaxially and continuously rotate, and finally the movable bracket is driven to continuously move downwards, and the motor stops rotating after the movable bracket moves downwards to a set position;

and controlling the first air cylinder to be electrified to drive the dredging part to move to a set position, and controlling the first air cylinder to be powered off.

9. The use method of the device for directly grading the gold tailings according to claim 1 is characterized by comprising the following steps:

A. selecting the number of hydrocyclone groups and the number and the type of the hydrocyclones in each hydrocyclone group according to the grading requirement of the gold tailings;

B. setting process parameters: according to the grading requirement of gold tailing particles, parameter settings such as ore feeding pressure, ore pulp density and the like are respectively carried out on each group of hydrocyclone units, and the parameter settings of the hydrocyclones in the same group are the same;

C. conveying the ore pulp into a first group of hydrocyclone groups after the ore pulp is pressurized by the conveying device, separating the ore pulp in a plurality of hydrocyclones in the first group of hydrocyclone groups, allowing the separated coarse and heavy particles to enter the next treatment procedure through the underflow pipe, and allowing the ore pulp needing further classification to flow out through the overflow pipe and then be pressurized by the conveying device to enter the next group of hydrocyclone groups;

D. ore pulp is separated in the next group of hydrocyclone units, the separated coarse and heavy particles enter the next treatment process through the underflow pipe, and the ore pulp needing to be further classified flows out through the overflow pipe and then is pressurized by the conveying device to enter the next group of hydrocyclone units;

E. d, repeating the step D until the gold tailing pulp is separated in the last group of the hydrocyclone units, and enabling the separated tailing particles to enter the next treatment procedure through the underflow pipe; and the separated ore pulp overflows through the overflow pipe and enters the next treatment process.

Technical Field

The invention relates to the field of industrial grading equipment, in particular to a device for directly grading gold tailings and a using method thereof.

Background

The grading equipment is widely applied to separation of materials such as ore materials and coal, and the grading of the gold tailings has the function of separating sand grains in tailings waste residues after ball milling into machine-made sand of different grades for sale. At present, in the fields of comprehensive treatment of ores such as gold tailings and the like, the following equipment is commonly adopted for grading the ores: (1) screen mesh grading: grading accurately according to the granularity, and is characterized by high grading precision, easy hole blockage of a screen, serious abrasion and the like; (2) hydraulic classification: fuzzy classification according to the sedimentation velocity, and has the characteristics of simple structure, low operation cost, large occupied area, low classification precision, low classification efficiency and the like; (3) the hydrocyclone classification equipment has the advantages of small occupied area, large treatment capacity and higher classification efficiency, but has the problems of low classification precision, easy blockage of a bottom flow pipe of a sand setting nozzle and strict use conditions, and seriously restricts the normal performance of system production energy.

Disclosure of Invention

The invention provides a device for directly grading gold tailings and a using method thereof, aiming at the problem that the existing ore grading equipment cannot simultaneously meet the production requirements of large tailings treatment capacity, high grading precision and high grading efficiency.

In order to achieve the purpose, the invention adopts the technical scheme that:

an apparatus for directly grading gold tailings, comprising:

a plurality of hydrocyclone banks including at least one hydrocyclone; the hydrocyclone is provided with a feeding pipe, an overflow pipe and an underflow pipe; an overflow pipe of the hydrocyclone at the upper stage in the hydrocyclone group is communicated with a feeding pipe of the hydrocyclone at the lower stage;

the overflow pipe of the last hydrocyclone of the hydrocyclone group of the previous group is communicated with the feeding pipe of the first hydrocyclone of the hydrocyclone group of the next group;

and the conveying devices are respectively connected with the feeding pipes of the first hydrocyclones set and are arranged between the overflow pipes and the feeding pipes of the adjacent hydrocyclones.

Further, when the hydrocyclone group comprises a plurality of hydrocyclones, the structural parameters of the plurality of hydrocyclones in each hydrocyclone group are the same.

Further, the device for directly grading the gold tailings also comprises,

the hydraulic cyclone is fixedly arranged on the bracket;

the anti-clogging system, comprising,

the first cylinder is fixedly arranged on the bracket;

a dredging part arranged on the bracket; the dredging part comprises a plurality of through holes,

the guide bracket is provided with a track;

the movable bracket is connected with the guide bracket in a sliding way;

the lifting mechanism comprises a lead screw arranged on the bracket, and the lead screw is connected with a nut; one end of the nut is connected with the movable support, and the other end of the nut is provided with a belt wheel;

the transmission mechanism is arranged on the movable support and comprises a motor arranged on the movable support, the motor is connected with an output shaft, a driving wheel is slidably arranged on the output shaft, one end of the driving wheel is an intermittent gear part, and the other end of the driving wheel is a full gear part; the driving wheel is provided with a gear sleeve, and the gear sleeve is connected with a second cylinder; the first gear can be meshed with the full-gear part discontinuously, and is connected with a rotating shaft which is provided with a dredging harrow; the transmission shaft is arranged on the movable support and is provided with a transmission wheel, and the transmission wheel is connected with the belt wheel; the transmission shaft is also provided with a second gear and a third gear, the third gear can be in intermittent meshed connection with the intermittent gear part, and the second gear can be in intermittent meshed connection with the full-gear part;

and the integrated electric control system is respectively connected with the first cylinder, the second cylinder, the motor and the conveying device.

Furthermore, the lower end of the driving wheel is provided with an intermittent gear part, the upper end of the driving wheel is provided with a full-gear part, and the diameter of the intermittent gear part is smaller than that of the full-gear part; the second gear is arranged above the third gear, and the diameter of the second gear is smaller than that of the third gear.

Further, be provided with the optical axis portion between intermittent type gear portion and the full gear portion, the optical axis portion cup joints gear sleeve, gear sleeve and optical axis portion form the annular clearance.

Further, the device for directly grading the gold tailings further comprises a fluid pressure detection element, wherein the fluid pressure detection element is arranged in the feed pipe of the hydrocyclone.

Further, the device for directly grading the gold tailings further comprises an ore pulp concentration adjusting device, wherein the ore pulp concentration adjusting device is respectively communicated with the conveying device of the first-stage hydrocyclone and is arranged between the overflow pipe of the adjacent hydrocyclone and the conveying device.

Further, the use method of the anti-blocking system comprises the following steps:

controlling a first air cylinder to be electrified, and stopping the first air cylinder after the first air cylinder pushes the dredging part to move to a set position;

the motor is controlled to rotate, the motor rotates to drive the driving wheel to rotate, and then simultaneously, the full-tooth gear part drives the first gear to rotate, and the first gear rotates to drive the dredging harrow to continuously rotate; the intermittent gear part drives the third gear to rotate intermittently, the third gear drives the transmission wheel to rotate, and the transmission wheel rotates to drive the nut to rotate intermittently so as to drive the movable bracket to move intermittently upwards;

when the dredging harrow moves upwards for a set height, the motor stops rotating, the second cylinder drives the driving wheel to move for a set distance, so that the second gear is meshed with the full-tooth gear part, and the first gear and the third gear are not meshed with the driving wheel; controlling the motor to rotate reversely, wherein the motor rotates to drive the full-gear part to rotate, the full-gear part rotates to drive the transmission wheel to coaxially and continuously rotate, and finally the movable bracket is driven to continuously move downwards, and the motor stops rotating after the movable bracket moves downwards to a set position;

and controlling the first air cylinder to be electrified to drive the dredging part to move to a set position, and controlling the first air cylinder to be powered off.

The use method of the device for directly grading the gold tailings comprises the following steps:

①, selecting the number of hydrocyclone groups and the number and the model of the hydrocyclones in each hydrocyclone group according to the gold tailing particle classification requirement;

②, setting process parameters, namely, respectively setting parameters such as ore feeding pressure, ore pulp density and the like for each group of hydrocyclone units according to the grading requirement of gold tailing particles, wherein the parameters of the hydrocyclones in the same group are the same;

③ conveying the ore slurry into the first group of hydrocyclones after being pressurized by the conveying device, separating the ore slurry in a plurality of hydrocyclones in the first group of hydrocyclones, leading the separated coarse and heavy particles to enter the next treatment procedure through the underflow pipe, and feeding the ore slurry to be further classified into the next group of hydrocyclones after flowing out through the overflow pipe;

④ separating the ore slurry in the next group of hydraulic cyclone group, the separated coarse and heavy particles entering the next treatment process through the underflow pipe, the ore slurry to be further classified flowing out through the overflow pipe and then being pressed into the next group of hydraulic cyclone group by the conveying device;

⑤ repeating step ④ until the gold tailings slurry is separated in the last group of hydrocyclone units, the separated tailings particles enter the next treatment process through the underflow pipe, and the separated slurry overflows through the overflow pipe and enters the next treatment process.

The embodiment of the invention has at least the following beneficial effects:

1. according to the device for directly grading the gold tailings, the technical scheme that the plurality of hydrocyclone groups are arranged, each hydrocyclone group comprises at least one hydrocyclone, and the structural parameters of the plurality of hydrocyclones in each hydrocyclone group are the same is adopted, so that ore pulp is subjected to multiple screening of the plurality of hydrocyclones at the same screening level, the overflow fineness is finer, the defect of low grading precision of the conventional hydrocyclone separation device is overcome, and the grading precision is ensured; the device for directly grading the gold tailings has the advantages of large treatment capacity, high grading precision, high grading efficiency and the like, and can meet the production requirements of enterprises and improve the economic benefits of the enterprises.

2. According to the embodiment of the invention, by adopting the technical scheme that one end of the driving wheel is an intermittent gear part, the other end of the driving wheel is a full-gear part, the first gear can be in intermittent meshing with the full-gear part, the first gear is connected with a rotating shaft, the upper end of the rotating shaft is provided with the dredging rake, and the third gear can be in intermittent meshing connection with the intermittent gear part, so that the full-gear part drives the dredging rake to continuously rotate, the intermittent gear part drives the lifting device to intermittently move upwards, the automatic cleaning after the blockage of the underflow pipe is realized, the underflow pipe does not need to be manually carried to a high place, and is manually opened, the dredging is quick, and the operation is convenient; and the dredging harrow is driven by the motor to rotate continuously and move upwards in an intermittent manner, so that the condition that the dredging harrow is damaged due to overhigh continuous upward propelling speed and other parts are continuously stressed too much and are easily damaged can be avoided.

3. According to the embodiment of the invention, by adopting the technical scheme that one end of the driving wheel is an intermittent gear part, the other end of the driving wheel is a full-gear part, the gear sleeve is connected with the pull rod, the pull rod is connected with the second air cylinder, and the transmission shaft is also provided with the second gear and the third gear from top to bottom, wherein the second gear can be in discontinuous meshing connection with the full-gear part, when the dredging harrow needs to move downwards, the second air cylinder pulls the driving wheel to move upwards, so that the second gear is meshed with the full-gear part, the first gear and the third gear are not in meshing connection with other parts, and the lifting device continuously and quickly moves downwards, the working efficiency of the equipment is improved.

4. The embodiment of the invention realizes gradual and intermittent movement of the dredging harrow in the upward moving process by adopting the motor, and the dredging harrow quickly and continuously moves downward and does not rotate in the downward moving process, so that the blocked ore pulp in the underflow pipe is quickly removed.

Drawings

Fig. 1 is a schematic structural diagram of a device for directly grading gold tailings;

FIG. 2 is a schematic diagram of the construction of three sets of hydro cyclones of the present invention;

FIG. 3 is a schematic view of the anti-clog system of the present invention in positional relationship to the underflow pipe;

FIG. 4 is a schematic diagram of the anti-jamming system of the present invention;

FIG. 5 is an enlarged schematic view at O of FIG. 4;

FIG. 6 is a schematic view of a driving wheel;

FIG. 7 is a schematic view of the meshing connection of the intermittent gear portion and the third gear;

FIG. 8 is a schematic illustration of the positional relationship of the components of the transmission mechanism when the second gear of the present invention is engaged with a full gear portion;

figure 9 is a schematic diagram of the structure of the pulp concentration adjusting device of the invention;

FIG. 10 is a schematic view of the mounting position of the ultrasonic ranging element of the present invention.

Detailed Description

In order to make the technical means, objectives and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.

An apparatus for directly grading gold tailings, as shown in fig. 1 and fig. 2, comprises:

a plurality of hydrocyclone banks including at least one hydrocyclone 100; the hydrocyclone 100 is provided with a feed pipe 110, an overflow pipe 120 and an underflow pipe 130;

specifically, when each hydrocyclone group includes a plurality of hydrocyclones 100, the structural parameters of the hydrocyclones 100 are the same.

The overflow pipe 120 of the hydrocyclone 100 at the upper stage in each hydrocyclone group is communicated with the feeding pipe 110 of the hydrocyclone 100 at the lower stage; the overflow pipe 110 of the last hydrocyclone of the previous hydrocyclone group is communicated with the feed pipe 110 of the first hydrocyclone 100 of the next hydrocyclone group;

the conveying devices 200 are respectively connected with the feeding pipes 110 of the first hydrocyclones of the first group of hydrocyclones, and are arranged between the overflow pipes 120 and the feeding pipes 110 of the adjacent hydrocyclones, specifically, the conveying devices 200 comprise variable-frequency high-pressure pumps, and the pump frequency of the variable-frequency high-pressure pumps is set to be f.

The working principle of the device for directly grading the gold tailings is as follows:

①, selecting the number of hydrocyclone groups and the number and the model of the hydrocyclones 100 in each hydrocyclone group according to the gold tailing particle classification requirement;

② setting process parameters, namely, according to the grading requirements of gold tailing particles, the parameter settings of ore feeding pressure, ore pulp density and the like are respectively carried out on each group of hydrocyclone units, and the parameter settings of each hydrocyclone 100 in the same group are the same.

③ pressurizing the pretreated gold tailings slurry by a conveying device 200, entering a first group of hydrocyclone groups through a feeding pipe 110 in a tangential direction, separating the slurry in a plurality of hydrocyclones 100 of the first group of hydrocyclone groups, entering the separated coarse and heavy particles into the next treatment process through an underflow pipe 130, and pressurizing the slurry needing further classification into a second group of hydrocyclone groups through the conveying device 200 after flowing out through an overflow pipe 120;

④ separating the ore slurry in the next group of hydrocyclone group, allowing the separated coarse and heavy particles to enter the next treatment process via the underflow pipe 130, allowing the ore slurry to be further classified to flow out via the overflow pipe 120, and allowing the ore slurry to enter the next group of hydrocyclone group via the conveying device 200;

⑤ repeating step ④ until the gold tailings slurry is separated in the last group of hydrocyclones, the separated tailings particles enter the next treatment process through the underflow pipe 130, and the separated slurry overflows through the overflow pipe 120 and enters the next treatment process.