CN211732520U - Tailing feeding barrel for filling - Google Patents

Abstract

The utility model discloses a tailings feeding bucket for filling, which relates to the technical field of tailings treatment. It includes a feeding barrel and a pneumatic stirring device. The feeding barrel includes a barrel body. One side of the upper end of the barrel body is provided with a feeding port and the other side is provided with an overflow port, and one side of the lower end of the barrel body is provided with an outlet port. The feeding barrel is connected to the beneficiation tailing pipeline through the feeding pipeline, the feeding barrel is connected to the filling system through the discharging pipeline, the pneumatic stirring device is arranged on the bottom surface of the barrel, and the The air inlet end of the pneumatic stirring device is connected with the air source device. The beneficial effect of the utility model is that a pneumatic stirring device is arranged at the bottom of the tailings feeding barrel, that is, a pressurized air disturbance nozzle is installed at the bottom of the tailings feeding barrel, and the tailings are deposited by stirring with compressed air. It solves the problem that the mixing blades of the original mixing tank cannot fully stir, resulting in the accumulation of tailings at the bottom of the mixing tank and blocking the discharge port.

Description

A tailings feeding barrel for filling

technical field

The utility model relates to the technical field of tailings treatment, in particular to a tailings feeding bucket for filling.

Background technique

In order to solve the problems of geological disasters such as surface rock movement, collapse, deep rock burst, and rock burst encountered in the mining process, the filling mining method will be more and more applied, which will accelerate the progress of filling technology. In fact, the role and significance of backfill mining has gone far beyond the scope of mining. Because a large amount of industrial waste is deeply buried underground to improve the environment, and the full and rational comprehensive utilization of mineral resources are also the basic requirements of the sustainable development strategy of my country's national economy.

Tailings are the main material source for backfilling in all backfilling technologies. This is because tailings are the main waste after beneficiation in mines. The disposal of these wastes requires a lot of resources and is harmful to the environment. Inexpensive and environmentally friendly.

The tailings filling and feeding device is often installed between the tailpipe and the filling system of the concentrator. Its function is to stably feed the tailings of the concentrator to the sand silo of the filling system. Most of the traditional tailings feeding equipment have the following problems: 1. The stirring is not sufficient. Because the specific gravity of the tailings is relatively large, the coarse particles are easy to settle. 2. The tailings are pumped upward, and the tailings often flow back during the feeding process, which causes the material to overflow and pollute the feeder. Environment; 3. Conventional mixing barrels are often single-tube feeding, and the feeding flow is unstable and easy to block.

The prior art (CN208485084U) discloses a tailings feeding device, which relates to the technical field of tailings treatment, including a frame and a blanking bin arranged on the frame, characterized in that the blanking The silo is provided with a feeding port and a discharging port, and a dividing fluid is arranged below the discharging opening, and the dividing fluid includes two obliquely arranged dividing surfaces; the lower part of the dividing fluid is provided with a two-way screw feeding The two-way screw feeder includes a motor and a rotating shaft. Both ends of the rotating shaft are provided with a forward spiral section and a reverse spiral section, and the space between the forward spiral section and the reverse spiral section is The blanking section is provided with a discharge port below the blanking section.

The above device uses a two-way screw feeder to stir and feed the tailings. Although the device can stir the tailings evenly compared to the traditional mixing tank, there are still some problems. The silo wall is provided with a vibration motor to prevent the tailings. Arched but long-term vibration will cause great damage to the entire device, especially the motor below, the high maintenance cost is not conducive to cost saving, and the specific gravity of the tailings is relatively large, the coarse particles are easy to settle, and part of the tailings will still settle at the bottom. , There is only one valve under the discharge port and no overflow device is set in the silo. When the silo is full, it will overflow and pollute the environment. At the same time, it is difficult to repair after the screw feeding of the device fails.

Utility model content

In view of the above-mentioned deficiencies of the prior art, the purpose of the present utility model is to provide a tailings feeding barrel for filling.

In order to solve the technical problem of uneven mixing of the tailings, the invention adopts the technical means of air pressure stirring to achieve the technical effect of fully mixing the tailings evenly. At the beginning of the content of the utility model, an overview of the content of the utility model needs to be made.

The utility model is realized through the following technical solutions.

A tailings feeding barrel for filling comprises a feeding barrel, the feeding barrel comprises a barrel, a feeding port is provided on one side of the upper end of the barrel, and an overflow port is provided on the other side, the barrel is A discharge port is arranged on one side of the lower end of the body; a pneumatic stirring device is arranged on the tailings feeding barrel for filling, the feeding barrel is connected with the beneficiation tailing pipeline through a feeding pipeline, and the feeding barrel is discharged through a feeding pipe. The pipeline is connected with the filling system, the pneumatic stirring device is arranged on the inner bottom surface of the barrel body, and the air inlet end of the pneumatic stirring device is connected with the air source device.

Preferably, the pneumatic stirring device includes a stirring nozzle, an air inlet pipe, and an installation pipe, the stirring nozzle is connected to the installation pipe, the installation pipe is arranged on the inner bottom surface of the barrel, and the air inlet pipe passes through The bottom of the barrel is connected to the installation pipe, and the air intake pipe is connected to an air source device.

Preferably, the discharge pipeline is provided with a feed pump and a check valve, one end of the discharge pipeline is connected to the discharge port of the barrel and the other end is connected to the filling system, and the check valve is located in the feeder. between the feed pump and the filling system.

Preferably, the overflow port of the barrel is connected to an overflow pipeline, an overflow valve is provided on the overflow pipeline, and the other end of the overflow pipeline is connected to the beneficiation tailing pipeline.

Preferably, the installation pipes are evenly distributed on the inner bottom surface of the barrel, a nozzle interface is annularly provided on the installation pipe, and the stirring nozzle is connected to the nozzle interface.

Preferably, one end of the feed pipe is connected to the feed port of the barrel and the other end is connected to the beneficiation tail pipe.

Preferably, there are two feeding pipes and two discharging pipes.

Preferably, the air source device is an air compressor.

Preferably, both the feeding pipeline and the discharging pipeline are provided with valves.

Preferably, the feeding bucket further includes a bucket cover, and the bucket cover is provided with an exhaust port.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model is provided with a pneumatic stirring device at the bottom of the tailings feeding barrel, that is, a compressed air disturbance nozzle is installed at the bottom of the tailings feeding barrel, and the tailings are deposited by stirring with compressed air. It solves the problem that the mixing blades of the original mixing tank cannot fully stir, resulting in the accumulation of tailings at the bottom of the mixing tank and blocking the discharge port; and the compressed air mixing nozzle is smaller than the mixing blade, which is convenient for maintenance and cleaning.

2. The utility model is provided with a check valve in the pipeline between the feeding pump and the filling system, to prevent the backflow of tailings from damaging the feeding pump during the stop feeding process, and at the same time to prevent the material from the feeder barrel from overflowing, at the upper end of the feeding barrel. There is an overflow port, and the function of the overflow port is to automatically discharge from the overflow port when the material level of the tailings feeding barrel is higher than the overflow port, and return to the beneficiation tailing pipeline to avoid environmental pollution; There is a feeding valve between the feeding barrels, which is convenient for maintenance when the feeding pump fails, and at the same time, the tailings will not cause leakage.

3. The utility model changes the commonly used single-tube feeding and single-tube discharging to double-tube feeding and two-double-tube discharging. The function of the double-feeding tube is to adjust the flow rate of the feeding material. At the same time, if the single-tube is blocked , the other feeding pipe can continue feeding, avoid downtime, intermittent feeding, make the system more stable and solve the problem of unstable feeding flow and easy blockage.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings used in the description of the specific embodiments or the prior art. Obviously, the following descriptions The accompanying drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative work.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front view structure schematic diagram of the utility model;

Fig. 3 is the left side view structure schematic diagram of the present utility model;

Fig. 4 is the top view structure schematic diagram of the utility model;

Fig. 5 is the sectional view of the pneumatic stirring device in Embodiment 1 of the present utility model;

6 is a schematic structural diagram of a pneumatic stirring device according to Embodiment 1 of the present invention;

Fig. 7 is the sectional view of the pneumatic stirring device of Fig. 2A-A of the utility model embodiment 2;

8 is a schematic structural diagram of a pneumatic stirring device in Embodiment 2 of the present invention;

9 is a cross-sectional view of a stirring nozzle in Embodiment 2 of the present utility model;

In the figure: 1-feeding barrel; 11-barrel body; 12-barrel cover; 13-overflow port; 14-feeding port; 15-material outlet; 16-exhaust port; 2-feeding pipeline; 21 - Feed valve; 3 - Discharge pipeline; 31 - Discharge valve; 32 - Feed pump; 33 - Check valve; 4 - Overflow pipeline; 41 - Overflow valve; 5 - Pneumatic stirring device; 51 - Stirring Nozzle; 52-intake pipe; 53-installation pipe; 5301-intake valve; 54-compressor; 55-pressure gauge; 6-air source device;

Detailed ways

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The present utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

Example 1

A tailings feeding barrel for filling, which includes a feeding barrel 1 and a pneumatic stirring device 5. The pneumatic stirring device 5 is arranged at the bottom of the feeding barrel 1. Line and filling system connections.

The feeding barrel 1 includes a barrel body 11 and a barrel cover 12 . The bottom of the barrel body 11 is provided with a through hole, the bottom end of the barrel body 11 is provided with two discharge ports 15 , and the upper end of the barrel body 11 is provided with two discharge ports 15 . One side is provided with two feeding ports 14 and the other side is provided with an overflow port 13 , the barrel cover 12 is provided with an exhaust port 16 to facilitate the discharge of stirring gas, and the barrel cover 12 is sealed with the barrel body 11 . .

The pneumatic stirring device 5 includes a stirring nozzle 51, an installation pipe 53, and an air intake pipe 52. The installation pipe 53 is a disc that is adapted to the diameter of the feeding bucket 1. There are a number of through holes facing the center of the circle, the other end of the through hole, that is, the nozzle interface is inclined upward toward the middle of the feeding barrel 1, the nozzle interface is annularly distributed, the stirring nozzle 51 is connected with the nozzle interface, and the intake pipe 52 passes through. It is connected to the installation pipe 53 through the through hole at the bottom of the feeding bucket 1, and the air inlet pipe 52 is adapted to the through hole at the bottom of the feeding bucket 1, and is completely sealed and fixed by a sealing gasket to prevent the leakage of tailings.

The intake duct 52 is provided with a pressure gauge 55 and an intake valve 5301, and the pressure of the intake air is grasped through the pressure gauge 55 to facilitate adjustment. The intake valve 5301 is the switch of the intake pipe 52 for convenience. The other end of the air intake pipe 52 is connected to an air source device 6, and the air source device 6 may be an air compressor.

The overflow port 13 at the upper end of the barrel 11 is connected to the overflow pipeline 4, an overflow valve 41 is provided on the overflow pipeline 4, and the other end of the overflow pipeline 4 is connected to the beneficiation tailing pipeline, When the feeding bucket 1 is full of tailings, the excess tailings can flow to the beneficiation tailings pipeline through the overflow pipe 4, and the overflow valve 41 can prevent the tailings in the overflow pipe 4 from flowing back. The arrangement of 13 can prevent the tailings in the feeding barrel 1 from overflowing to cause environmental pollution, and the overflow pipeline 4 is connected with the beneficiation tailing pipeline to form a circulation system without causing waste of tailings.

The two feed pipes 2 are respectively connected with the feed ports 14 of the barrel 11 , and the feed pipes 2 are provided with feed valves 21 to facilitate flow control.

The two discharge pipes 3 are respectively connected with the discharge ports 15 of the barrel 11. The discharge pipes 3 are provided with a discharge valve 31, a feed pump 32, and a check valve 33. The valve 31 is set between the feeding barrel 1 and the feeding pump 32, the check valve 33 is set between the feeding pump 32 and the filling system, and the feeding pump 32 can quickly discharge materials At the same time, a check valve 33 is provided, which can well prevent the backflow of tailings from damaging the feeding pump 32 during the feeding stop process, and at the same time avoid the material overflow of the feeder barrel 1. The discharge valve 31 is used when the feeding pump 32 needs to be It is convenient to close the discharge port 15 during maintenance to prevent the tailings in the feeding barrel 1 from leaking.

In specific use, open the feeding valve 21 on the feeding pipeline 2, the tailings enter into the feeding barrel 1, open the intake valve 5301 on the intake pipeline 52, start the air compressor, and the compressed air passes through the intake pipeline 52. It is sent to the installation pipe 53, and then sprayed from the stirring nozzle 51 to stir the tailings in the feeding barrel 1, then open the discharge valve 31, and start the feeding pump 32, and the evenly stirred tailings can be sent to the in the filling system. When the flow needs to be adjusted, it can be adjusted through the feed valve 21 and the discharge valve 31 . Simple structure and convenient operation.

Example 2

As shown in the figure, the structural principle of this embodiment is similar to that of Embodiment 1, and the difference from Embodiment 1 is that the pneumatic stirring device 5 includes a stirring nozzle 51, an installation pipe 53 and an air inlet pipe 52. The stirring The nozzle 51 is provided with through holes that are inclined upward, and the installation pipe 53 is a plurality of pipes, which are evenly distributed on the inner bottom surface of the feeding bucket 1. The installation pipe 53 is provided with a nozzle interface, and the nozzle The interfaces are annularly distributed, the stirring nozzle 51 is connected to the nozzle interface, the air inlet pipe 52 is connected to the installation pipe 53 through the through hole at the bottom of the feeding bucket 1, and the air inlet pipe 52 is connected to the feeding pipe 53. The through hole at the bottom of the barrel 1 is suitable for it, and it is completely sealed and fixed by a sealing gasket to prevent the leakage of tailings.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a fill and use tailing feed bucket, it includes feed bucket (1), feed bucket (1) includes staving (11), staving (11) upper end one side is provided with feed inlet (14), and the opposite side is provided with overflow mouth (13), staving (11) lower extreme one side is provided with discharge gate (15), its characterized in that: fill and be provided with pneumatic agitating unit (5) with the tailings feed bucket, feed bucket (1) is connected with ore dressing row tail pipe through charge-in pipeline (2), feed bucket (1) is connected with filling system through ejection of compact pipeline (3), pneumatic agitating unit (5) set up in staving (11) inside bottom surface, pneumatic agitating unit (5) inlet end is connected with air supply unit (6).

2. The tailing bucket for filling as claimed in claim 1, wherein: pneumatic agitating unit (5) are including stirring nozzle (51), admission line (52) and installation pipe (53), stirring nozzle (51) with installation pipe (53) are connected, installation pipe (53) set up in the inside bottom surface of staving (11), admission line (52) pass staving (11) bottom with installation pipe (53) are connected, admission line (52) are connected with air supply unit (6).

3. The tailing bucket for filling as claimed in claim 1, wherein: discharge pipeline (3) are provided with feed pump (32) and check valve (33), discharge pipeline (3) one end with discharge gate (15) of staving (11) are connected the other end and are connected with the filling system, check valve (33) are located between feed pump (32) and the filling system.

4. The tailing bucket for filling as claimed in claim 1, wherein: an overflow port (13) of the barrel body (11) is connected with an overflow pipeline (4), an overflow valve (41) is arranged on the overflow pipeline (4), and the other end of the overflow pipeline (4) is connected with a mineral separation tail discharge pipeline.

5. The tailing bucket for filling as claimed in claim 2, wherein: the installation pipe (53) equipartition in the inside bottom surface of staving (11), annular is provided with the nozzle interface on installation pipe (53), stirring nozzle (51) with nozzle interface connection.

6. The tailing bucket for filling as claimed in claim 1, wherein: one end of the feeding pipeline (2) is connected with the feeding hole (14) of the barrel body (11) and the other end is connected with a tail pipeline of the ore dressing discharge.

7. The tailing bucket for filling as claimed in claim 1, wherein: the feeding pipeline (2) and the discharging pipeline (3) are both provided with two pipelines.

8. The tailing bucket for filling as claimed in claim 1, wherein: the air source device (6) is an air compressor.

9. The tailing bucket for filling as claimed in claim 1, wherein: the feeding pipeline (2) and the discharging pipeline (3) are provided with valves.

10. The tailing bucket for filling as claimed in claim 1, wherein: the feeding barrel (1) further comprises a barrel cover (12), and an exhaust port (16) is formed in the barrel cover (12).

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