CN213612055U

CN213612055U - Utilize difference in height to flow automatically and give ore deposit tailing classification dam building device

Info

Publication number: CN213612055U
Application number: CN202022380369.3U
Authority: CN
Inventors: 彭远伦; 孙吉鹏; 张建国; 王磊; 赵吉堂; 锁军; 梁泽跃; 郑纪民; 杨剑锋; 刘宝磊; 游乐明; 马鹏飞; 郭云东; 张晋禄; 李莹; 邓骏林
Original assignee: Weihai Haiwang Hydrocyclone Co ltd; Yunnan Diqing Nonferrous Metals Co ltd
Current assignee: Weihai Haiwang Hydrocyclone Co ltd; Yunnan Diqing Nonferrous Metals Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-06
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to the technical field of cyclone application, in particular to a device for grading and damming tailings by utilizing height difference self-flow feeding, which comprises a high-level buffer tank, an integrated damming cyclone platform and a conveying pipeline, and is characterized in that the high-level buffer tank consists of a cylinder body and a stirring device, the upper part of the cylinder body is provided with a feeding port, the bottom of the cylinder body is provided with an ore pulp discharge port, the integrated damming cyclone platform consists of a platform base, a cyclone, a support frame, an overflow receiving box, a bottom flow receiving box and a feeding connecting pipe, the cyclone is obliquely arranged in the middle of the platform base through the support frame, the feeding port of the cyclone is connected with the feeding connecting pipe, the feeding connecting pipe is connected with the ore pulp discharge port, the overflow outlet of the cyclone is connected with the overflow receiving box, the bottom flow port of the cyclone is connected with the bottom flow receiving box, the lower parts, the lifting lugs are arranged on the platform base, and the device has the advantages of good grading effect, high underflow grit yield, convenience in installation and the like.

Description

Utilize difference in height to flow automatically and give ore deposit tailing classification dam building device

Technical Field

The utility model belongs to the technical field of swirler application technique and specifically relates to a simple structure, hierarchical effectual, underflow grit output is high, simple to operate's utilization difference of elevation gravity flow gives ore deposit tailing and builds dam device in grades.

Background

As is well known, cyclones are widely used in mining, metallurgy, environmental protection, petroleum, chemical and food industries. The cyclone usually uses water as a medium, and depends on an external pump or a gravity field to transmit power, and a rotary flow field can accelerate the settling velocity of solid-phase particles in a water medium and increase the difference of the settling velocity of coarse and fine particles in the water medium, so that the rapid separation and classification of particles with different sizes are realized.

In the field of mining industry, a cyclone used for tailing grading and damming is one of the main methods for tailing damming. After the tailing pulp is classified by the cyclone, the concentration of coarse sand is increased, the granularity is coarse, and the water permeability and the stability of a dam body are favorably improved. The process is roughly as follows: the tailing pulp is conveyed to a swirler by a pump, coarse sand obtained after grading is used for building a dam, the dam body of the coarse tailing sand built by grading through the swirler has good stability, a natural beach surface can be formed, the engineering construction amount can be reduced, and fine sand graded through the swirler is conveyed into a tailing pond.

The feeding power of the cyclone is divided into two types of feeding by a pump and self-flowing feeding, the stability of the feeding by the pump is good, but the energy consumption of the feeding is increased, and the deep discussion is not provided; the gravity-flow feeding needs a certain height difference, a high-level buffer tank is generally needed to be designed, if necessary, the slurry can be further adjusted in the high-level buffer tank to adjust the concentration, and the height difference between the high-level buffer tank and the cyclone is recycled to feed the cyclone for classification.

The dam-building cyclone is generally arranged on a dam and is obliquely arranged, a simple support is generally processed on site, and pipelines are respectively connected with a bottom flow port and an overflow port of the cyclone, so that underflow coarse sand of the cyclone is conveniently discharged on the dam and overflow fine sand is conveniently discharged into a tailing pond.

However, the existing tailing damming device system has some problems:

(1) the cyclone has unstable ore feeding concentration, and the classification effect of the rear-end cyclone is influenced and the classification granularity is unqualified when the classification effect is serious because the slurry mixing of the gravity flow high-level buffer tank is not uniform and the proportion of the ore water is easily influenced by the fluctuation of the material amount from the front end.

(2) When the tailing dam rises, the dam-building cyclone needs to be transferred, the dam-building cyclone in the prior art generally adopts simple support which is self-machined on site, the condition of integral lifting is not provided, the dam-building cyclone needs to be disassembled and reassembled, and the transfer workload is increased.

(3) The overflow port of the dam-building cyclone is directly and externally connected with an overflow guide pipe, which is easy to cause siphon, and the yield of underflow coarse sand is reduced.

(4) And a plurality of cyclones which work in parallel are difficult to master the operation condition in real time, so that the working intensity of a manager is increased.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned prior art, provide a simple structure, hierarchical effectual, underflow grit output is high, simple to operate's utilization difference in height gives ore deposit tailing and builds dam device in grades.

The utility model provides a technical scheme that its technical problem adopted is:

a device for grading and damming tailings by utilizing altitude difference to automatically flow comprises a high-level buffer tank, an integrated damming cyclone platform and a conveying pipeline, and is characterized in that the high-level buffer tank consists of a barrel body and a stirring device, the barrel body is internally provided with the stirring device, the upper part of the barrel body is provided with a feeding port, the feeding port is connected with an upstream tailing pulp conveying pipe and a water replenishing pipe, the bottom of the barrel body is provided with a pulp discharging port, the pulp discharging port is connected with the integrated damming cyclone platform through the conveying pipeline, the integrated damming cyclone platform consists of a platform base, a cyclone, a supporting frame, an overflow receiving box, an underflow receiving box and a feeding cyclone, the overflow port of the cyclone is higher than the underflow port of the cyclone, the feeding port of the cyclone is connected with the feeding connecting pipe, the feeding connecting pipe is connected with the pulp discharging port of the high-level buffer tank through the conveying pipeline, the overflow outlet of the cyclone is connected with an overflow material receiving box arranged on the front side of the platform base through a connecting pipe, the underflow outlet of the cyclone is connected with an underflow material receiving box arranged on the rear side of the platform base through a connecting pipe, the lower parts of the overflow material receiving box and the underflow material receiving box are respectively provided with an overflow discharge hole and an underflow discharge hole, the platform base is provided with a lifting lug for lifting, and the whole integrated dam building cyclone platform is lifted integrally through the lifting lug.

Feeding take over on be equipped with the feeding sampling tube, the feeding sampling tube is linked together with the feeding take over, is equipped with sample valve on the feeding sampling tube, realizes getting of feeding sampling tube through sample valve switching.

Feeding take over on be equipped with flowmeter, mechanical pressure table, pressure transmitter, survey the operating mode that the feeding was taken over through flowmeter, mechanical pressure table, pressure transmitter.

Agitating unit include agitator motor, stirring vane, (mixing) shaft, action wheel, belt, follow driving wheel, sleeve pipe, agitator motor establish in the top side of barrel, agitator motor's output shaft is connected with the action wheel, the (mixing) shaft establish at the top middle part of barrel, the upper end of (mixing) shaft is equipped with from the driving wheel, the action wheel with from being connected through the belt between the driving wheel, the lower extreme of (mixing) shaft stretches into in the barrel and is connected with stirring vane, stir the material in the barrel through stirring vane, the cover has the sleeve pipe that plays the thick liquid effect of turning over on the (mixing) shaft of stirring vane top, the sleeve pipe is fixed on the inner wall of barrel through the support, the sleeve pipe on be equipped with a plurality of oblique top.

The height difference between the cylinder in the high-order buffer tank and the platform base of the integrated damming swirler platform is 7-15 meters so as to provide ore pulp gravity flow power.

Overflow connect workbin and underflow connect workbin communicate with each other with the atmosphere respectively, avoid siphonage.

The utility model discloses owing to adopt above-mentioned structure, have simple structure, classification effect good, underflow grit output high, advantages such as simple to operate.

Drawings

Fig. 1 is a schematic structural diagram of a high-level buffer box in the present invention.

Fig. 2 is a schematic structural diagram of the integrated damming cyclone platform of the present invention.

Fig. 3 is a side view of fig. 2.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in the attached drawing, the device for graded damming of tailings by using altitude difference gravity flow comprises a high-level buffer tank, an integrated damming swirler platform and a conveying pipeline, and is characterized in that the high-level buffer tank consists of a barrel body 1 and a stirring device, the stirring device is arranged in the barrel body 1, the upper part of the barrel body 1 is provided with a mineral feeding port 2, the mineral feeding port 2 is connected with an upstream tailing slurry conveying pipe and a water replenishing pipe, the bottom of the barrel body 1 is provided with a slurry discharge port 3, the slurry discharge port 3 is connected with the integrated damming swirler platform through the conveying pipeline, the integrated damming swirler platform consists of a platform base 4, a swirler 5, a support frame 6, an overflow receiving box 7, a bottom flow receiving box 8 and a feeding connecting pipe 9, the swirler 5 is obliquely arranged in the middle of the platform base 4 through the support frame 6, and the overflow port of the swirler 5 is higher than the bottom flow port of the swirler, the feed inlet of the swirler 5 is connected with a feed connecting pipe 9, the feed connecting pipe 9 is connected with an ore pulp discharge port 3 of the high-order buffer tank through a conveying pipeline, the overflow outlet of the swirler 5 is connected with an overflow receiving box 7 arranged on the front side of the platform base 4 through a connecting pipe, the underflow port of the swirler 5 is connected with an underflow receiving box 8 arranged on the rear side of the platform base 4 through a connecting pipe, the lower parts of the overflow receiving box 7 and the underflow receiving box 8 are respectively provided with an overflow discharge port 10 and an underflow discharge port 11, the platform base 4 is provided with a lifting lug 12 for lifting, the whole integrated damming swirler 5 platform is lifted integrally through the lifting lug 12, the overflow receiving box 7 is communicated with the atmosphere, and the overflow discharge port 10 of the overflow receiving box 7 is convenient for an external pipeline to discharge to a tailing pond; the underflow material receiving box 8 is the same as the atmosphere, and an underflow discharge port 11 of the underflow material receiving box 8 is convenient for an external pipeline to discharge to a dam body.

Further, feeding take over 9 on be equipped with feeding sampling tube 13, feeding sampling tube 13 is linked together with feeding take over 9, is equipped with sample valve on the feeding sampling tube 13, realizes getting of feeding sampling tube 13 through the sample valve switching.

Further, a flowmeter 14, a mechanical pressure gauge 15 and a pressure transmitter 16 are arranged on the feeding connecting pipe 9, the working condition of the feeding connecting pipe 9 is observed through the flowmeter 14, the mechanical pressure gauge 15 and the pressure transmitter 16, and the flowmeter 14, the mechanical pressure gauge 15 and the pressure transmitter 16 are respectively in control connection with a central control computer.

Further, agitating unit include agitator motor 17, stirring vane 21, (mixing) shaft 19, action wheel, belt 20, follow driving wheel, sleeve pipe 18, agitator motor 17 establish the top side at barrel 1, agitator motor 17's output shaft is connected with the action wheel, agitator shaft 19 establish the top middle part at barrel 1, the upper end of (mixing) shaft 19 is equipped with from the driving wheel, is connected through belt 20 between action wheel and the follow driving wheel, the lower extreme of (mixing) shaft 19 stretches into in the barrel 1 and is connected with stirring vane 21, stirs the material in the barrel 1 through stirring vane 21, the cover has the sleeve pipe 18 that plays the effect of stirring on the (mixing) shaft 19 of stirring vane 21 top, sleeve pipe 18 is fixed on the inner wall of barrel 1 through the support, sleeve pipe 18 on be equipped with a plurality of oblique top thick liquid mouths towards the outside.

Further, the height difference between the cylinder 1 in the high-level buffer tank and the platform base 4 of the platform of the integrated damming cyclone 5 is 7-15 meters so as to provide ore pulp self-flowing power.

Furthermore, the overflow material receiving box 7 and the underflow material receiving box 8 are respectively communicated with the atmosphere, so that the siphon phenomenon is avoided.

The installation inclination angle of the cyclone 5 is required to be 15-30 degrees (the included angle between the central axis of the cyclone 5 and the horizontal plane), and the device comprises a high-level buffer box and an integrated damming cyclone 5 platform, wherein the high-level buffer box and the integrated damming cyclone 5 platform can be arranged in a way that 1 platform is arranged for 1 platform, and can also be arranged in a way that 1 platform is arranged for a plurality of platforms.

When the device of the utility model works, the high-level buffer tank is generally suggested to be installed on the mountain or the higher position on the hillside according to the terrain and the topography, the integrated damming swirler platform is integrally hoisted to the tailing dam lower than the high-level buffer tank for installation, then the external tailing pulp and the water supplement are fed into the cylinder 1 through the upstream tailing pulp conveying pipe and the water supplement pipe and the feeding port 2 on the cylinder 1, and after being fully stirred and uniformly mixed by the stirring device on the cylinder 1, the ore pulp is automatically flowed to a feeding connecting pipe 9 in a platform of the integrated damming swirler 5 from an ore pulp discharge port 3 at the lower part of the cylinder 1 through a conveying pipeline, the ore pulp drives the swirler 5 to complete the grading process by setting the height difference of 7-15 meters, coarse sand is discharged into an underflow receiving box 8 after grading, fine sand is discharged into an overflow receiving box 7, and then the fine sand is conveyed to a tailing dam and a tailing pond from the underflow receiving box 8 and the overflow receiving box 7 respectively through external pipelines.

The utility model has the advantages that:

(1) the high-order buffer tank is provided with agitating unit, and the ore pulp of being convenient for can be fully with the ground paste misce bene through the stirring and the cushioning effect of high-order buffer tank, avoids causing the great fluctuation of ore feeding concentration of swirler 5, is favorable to stabilizing follow-up classification index of swirler 5 that dampens.

(2) The mechanical pressure gauge 15 and the pressure transmitter 16 which are installed on the platform of the integrated damming cyclone 5 are used for detecting pressure changes and reminding an operator whether the cyclone 5 normally works for ore feeding pressure, and meanwhile, signals of the pressure transmitter 16 can be transmitted to a central control computer, so that remote monitoring is realized, and the workload of managers is reduced. And the reliability of pressure detection is improved by adopting two pressure detection devices.

(3) The flowmeter 14 installed on the platform of the integrated damming cyclone 5 is used for detecting ore feeding flow, data signals can be transmitted to a central control computer and used for observing the ore feeding flow condition of the cyclone 5, and when the ore feeding flow changes greatly, managers can know and adjust the ore feeding flow in time.

(4) The feeding sampling tube 13 integrated with the platform installation of the damming cyclone 5 is used for facilitating the regular manual sampling detection of the feeding granularity and the concentration of the damming cyclone 5 by managers, can find the change of the granularity and the concentration of tailings in time and adjust the granularity and the concentration of the tailings, and is favorable for stabilizing production indexes.

(5) The overflow material receiving box 7 and the underflow material receiving box 8 which are installed on the platform of the integrated damming cyclone 5 are communicated with the atmosphere, so that the grading index deterioration caused by the siphon phenomenon can be avoided.

(6) The platform of the integrated damming cyclone 5 is provided with the supporting base, and the supporting base is provided with the lifting lugs 12, so that the integral lifting of the platform of the integrated damming cyclone 5 can be met, and the workload of field transfer equipment is reduced.

Claims

1. A device for grading and damming tailings by utilizing altitude difference to automatically flow comprises a high-level buffer tank, an integrated damming cyclone platform and a conveying pipeline, and is characterized in that the high-level buffer tank consists of a barrel body and a stirring device, the barrel body is internally provided with the stirring device, the upper part of the barrel body is provided with a feeding port, the feeding port is connected with an upstream tailing pulp conveying pipe and a water replenishing pipe, the bottom of the barrel body is provided with a pulp discharging port, the pulp discharging port is connected with the integrated damming cyclone platform through the conveying pipeline, the integrated damming cyclone platform consists of a platform base, a cyclone, a supporting frame, an overflow receiving box, an underflow receiving box and a feeding cyclone, the overflow port of the cyclone is higher than the underflow port of the cyclone, the feeding port of the cyclone is connected with the feeding connecting pipe, the feeding connecting pipe is connected with the pulp discharging port of the high-level buffer tank through the conveying pipeline, the overflow outlet of the cyclone is connected with an overflow material receiving box arranged on the front side of the platform base through a connecting pipe, the underflow outlet of the cyclone is connected with an underflow material receiving box arranged on the rear side of the platform base through a connecting pipe, the lower parts of the overflow material receiving box and the underflow material receiving box are respectively provided with an overflow discharge hole and an underflow discharge hole, the platform base is provided with a lifting lug for lifting, and the whole integrated dam building cyclone platform is lifted integrally through the lifting lug.

2. The apparatus according to claim 1, wherein the feeding connection pipe is provided with a feeding sampling pipe, the feeding sampling pipe is communicated with the feeding connection pipe, the feeding sampling pipe is provided with a sampling valve, and the feeding sampling pipe is opened and closed to take materials.

3. The device for grading and damming tailings by using the gravity flow of the elevation difference as claimed in claim 1, wherein the feeding connecting pipe is provided with a flowmeter, a mechanical pressure gauge and a pressure transmitter, and the working condition of the feeding connecting pipe is observed through the flowmeter, the mechanical pressure gauge and the pressure transmitter.

4. The device for graded dam construction by using the altitude difference gravity-fed tailings as claimed in claim 1, wherein the stirring device comprises a stirring motor, a stirring blade, a stirring shaft, a driving wheel, a belt, a driven wheel and a sleeve, the stirring motor is arranged on the side face above the barrel, an output shaft of the stirring motor is connected with the driving wheel, the stirring shaft is arranged in the middle of the upper portion of the barrel, the driven wheel is arranged at the upper end of the stirring shaft, the driving wheel is connected with the driven wheel through the belt, the lower end of the stirring shaft extends into the barrel and is connected with the stirring blade, materials in the barrel are stirred through the stirring blade, the sleeve with a slurry turning function is sleeved on the stirring shaft above the stirring blade, the sleeve is fixed on the inner wall of the barrel through a support, and a plurality of laterally-outward-inclined slurry openings are.

5. The apparatus according to claim 1, wherein the height difference between the barrel in the high-level buffer tank and the platform base of the integrated damming cyclone platform is 7-15 m.

6. The apparatus according to claim 1, wherein the overflow receiving box and the underflow receiving box are respectively connected to the atmosphere.