CN214719063U - Efficient mine return water pipeline descaling and dosing circulating cleaning device - Google Patents

Abstract

The utility model discloses a high-efficiency mine return water pipeline descaling and dosing circulating cleaning device, which comprises a high-position water tank, a purified water workshop, a tailing return water reservoir, a return water pipeline, a standby return water pipeline, a circulating connecting pipe, a first multistage pump, a second multistage pump, a third multistage pump, a first feeding pipeline, a second feeding pipeline, a first hydrochloric acid tank, a second medicament stirring tank and a discharging pipeline; the device is connected return water pipeline and reserve return water pipeline with circulating connection pipe in the cleaning process, forms the pipeline inner wall circulation and adds the medicine and flow the washing, and factor of safety is high, and the time spent is short, low in labor strength, and the cleaning performance is showing, helps improving ore dressing metal recovery index.

Description

Efficient mine return water pipeline descaling and dosing circulating cleaning device

Technical Field

The utility model relates to a wall dirt washs clearing device in tailing return water pipeline, concretely relates to high-efficient mine return water pipeline scale removal adds medicine circulation belt cleaning device.

Background

The backwater utilization rate is increased year by year in mineral resource mineral separation production, the mineral resource backwater utilization rate is supplied to a production workshop for repeated use, a pipeline line is too long, residual lime, chemicals and metal ions in ores react with each other in a backwater pipeline in the process of using the backwater in mineral separation, scale is slowly formed on the pipe wall of the backwater pipeline, particularly, the scale is thicker and harder in places with bends and slopes, the problems of blockage, freezing and the like are easily caused, backwater supply and use are seriously influenced, and the mineral separation metal recovery index is seriously influenced due to insufficient water quantity and unstable water pressure. At present, most mine enterprises can choose to dismantle pipelines and erect new pipelines again to solve the problem, and the replaced pipelines can only be treated according to waste products. Leading to increased cost, and more importantly, inadequate treatment of the replaced pipeline inner wall scale, and possible secondary pollution. Therefore, the scale on the inner wall of the water return pipeline can be treated and can be continuously used without being removed, the scale is a problem to be solved by various mines, through research and development teams of our company, multiple test argumentations are carried out, the scale removal and cleaning tests of the hydrochloric acid, sulfuric acid, oxalic acid and nitric acid cleaning pipelines are carried out, the effect of the hydrochloric acid on the scale removal of the pipelines is determined, but the effect is not good, the company cooperates with a company which has qualification research on the scale remover in Shanghai border-stopping chemical industry, a special scale remover is configured, in the process of cleaning the scale on the pipelines, the chemical agent can generate strong chemical reaction, a large amount of gas and foam are formed, the cleaning effect is obvious, but the safety problems of gas pressure, acid burn and the like exist, in order to solve the problem, on the original pipeline scale adding and removing cleaning device, upgrading and development are carried out, the scale which can remove the inner wall of the pipelines, the chemical agent can be saved, is safe when the scale is added and removed on the inner wall of the pipelines, can be treated through a paste purifying workshop, not only achieves the purpose of removing the scale on the inner wall of the pipeline, but also safely and environmentally carries out efficient dosing cleaning.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a high-efficient mine return water pipeline scale removal adds medicine circulation belt cleaning device. In the cleaning process, the water return pipeline and the standby water return pipeline are connected through the circulating connection pipe, the inner wall of the pipeline is circularly added with chemicals to be cleaned in a flowing mode, the safety coefficient is high, the time consumption is short, the labor intensity is low, the cleaning effect is obvious, and the metal recovery index of ore dressing is improved.

The technical scheme adopted by the invention for solving the technical problem

A high-efficiency mine return water pipeline descaling and dosing circulating cleaning device comprises a high-level water tank, a return water purification workshop, a tailing return water reservoir, a return water pipeline, a standby return water pipeline, a circulating connecting pipe, a first multistage pump, a second multistage pump, a third multistage pump, a first feeding pipe, a second feeding pipe, a first hydrochloric acid tank, a second medicament stirring tank and a discharge pipeline;

the first multi-stage pump is installed at the bottom of the water return pipeline, the first inlet pipe is installed at the side end of the first multi-stage pump, the bottom of the first inlet pipe is connected with a flange check bottom valve, the first inlet pipe is connected with a stainless steel pipe, a stainless steel ball valve, a first hydrochloric acid tank and a second medicament stirring tank, the first check valve, the discharge pipeline and the first stop valve are connected to the pipeline of the upper end discharge port of the first multi-stage pump, the third stop valve and the fifth stop valve are installed on the spare water return pipeline, the second inlet pipeline is installed at the side end of the spare water return pipeline, the flange check bottom valve is connected to the bottom of the second inlet pipe, the second check valve is connected to the pipeline of the upper end discharge port of the second multi-stage pump, the discharge pipeline and the second stop valve are connected, the seventh stop valve is installed at the discharge port at the top end of the high-level water pool from the water return pipeline, the ninth stop valve is installed at the discharge port at the top end of the high-level water pool from the spare water return pipeline, and the circulation connecting pipe and the ninth stop valve are connected to the circulation connecting pipe, install the eighth stop valve on the circulating connection pipe to establish ties two pipelines, the medicament of transfer recycle is stored to tailing return water cistern, and reserve return water pipe connection waste material conveyer pipe to return water purification shop, waste material conveyer pipe installation fourth stop valve, and the water purification pipe installation sixth stop valve, No. three multistage pumps pass through water purification pipe and are connected with reserve return water pipe.

The flow of the first multi-stage pump and the second multi-stage pump is 280m³A remote multistage pump.

And a spare water return pipeline connected with the second multi-stage pump is upwards connected with a waste conveying pipe 400 meters away to a water return purification workshop for conveying and returning mixed liquid of inner wall scales removed by a pipeline in the tailing water return storage tank.

A first feeding pipe of a 3-meter upward position of a flange check bottom valve connected with the bottom of a first feeding pipe is connected with a stainless steel pipe, a stainless steel spherical valve and a second medicament stirring tank, and a first feeding pipe of a 3.5-meter upward position of the flange check bottom valve is connected with a 2-inch stainless steel pipe, a stainless steel spherical valve and a first hydrochloric acid tank.

The utility model has the advantages that: 1. a high-efficient mine return water pipeline scale removal adds medicine circulation belt cleaning device connects return water pipeline, reserve return water pipeline in the cleaning process, form the inner wall of pipeline and add medicine circulation and wash, the factor of safety is high, the time spent is short, low in labor strength, the cleaning effect is apparent, needn't demolish and erect the pipeline again, save expenses such as material, manpower, forklift, heat preservation; 2. the scale on the inner wall of the pipeline falls off after cleaning, so that the water supply efficiency is effectively improved, the electric energy is saved, the backwater supply is stable, and the recovery index of the mineral separation metal is improved; 3. the economic benefit of the company is improved; safe and reliable, reduce cost.

Description of the drawings fig. 1 is a schematic structural view of the present invention;

in figure 1, a circulation connecting pipe; 2. a high-level water return pool; 3. a first hydrochloric acid tank; 4. a second medicament stirring tank; 5. a stainless steel ball valve; 6. a first multi-stage pump; 7. a first stop valve; 8. a second check valve; 9. a second multi-stage pump; 10. a backwater purification workshop; 11. a third multi-stage pump; 12. a flange check bottom valve; 13. a tailing backwater reservoir; 14. a water return pipeline; 15. a standby water return pipeline; 16. a second feeding pipe; 17. a first check valve; 18. a second stop valve; 19. a third stop valve; 20. a fourth stop valve; 21. a fifth stop valve; 22. a sixth stop valve; 23. a seventh stop valve; 24. an eighth stop valve; 25. a ninth stop valve; 26. conveying a waste pipe; 27. purifying a water pipe; 28. a tailing discharging pipe; 29. a feeding pipe I.

Detailed Description

The method is characterized in that a tailing pond backwater pump station supplies water to a high-level backwater pond 2, a backwater pipeline 14 and a standby backwater pipeline 15 are connected with each other through a circulating connection pipe 1, a first multistage pump 6 is installed at the bottom end of the backwater pipeline 14 and used for conveying a medicament cleaning pipeline, a second multistage pump 9 is installed at the bottom end of the standby backwater pipeline 15 and used for conveying mixed liquid of inner wall scale removed by reflowing to a pipeline in a tailing backwater reservoir 13 to a backwater purification workshop 10, a first feeding pipe 29 is installed at the side end of the backwater pipeline 14, and the bottom of the first feeding pipe 29 is connected with a flange non-return bottom valve 12.

The first multi-stage pump 6 is arranged at the bottom of the water return pipeline 14, the first multi-stage pump 6 is used for conveying a medicament cleaning pipeline, the first multi-stage pump is provided with a first feeding pipe 29 at the side end, the bottom of the first feeding pipe 29 is connected with a flange check bottom valve 12, the first feeding pipe 29 is connected with a stainless steel pipe, a stainless steel ball valve 5, a hydrochloric acid tank 3 and a medicament stirring tank 4, a first check valve 17, a discharging pipeline and a first stop valve 7 are connected to a pipeline at the upper end of the first multi-stage pump 6, a third stop valve 19 and a fifth stop valve 21 are arranged on the standby water return pipeline 15, a second feeding pipeline 16 is arranged at the side end of the standby water return pipeline 15, the bottom of the second feeding pipeline 16 is connected with the flange check bottom valve, a second check valve 8 is connected to a pipeline at the upper end discharging port of the second multi-stage pump 9, the discharging pipeline and the second stop valve 18 are arranged, a seventh stop valve 23 is arranged at the position of the water return pipeline 14 to the top water discharging port of the high-position water return pool 2, a ninth stop valve 25 is installed at a position from the standby water return pipeline 15 to a water outlet at the top end of the high-position water return pool 2, the pipeline rear ends of the seventh stop valve 23 and the ninth stop valve 25 are connected with a circulating connection pipe 1, an eighth stop valve 24 is installed on the circulating connection pipe 1 and is connected with the two pipelines in series, a tailing water return reservoir 13 stores a reagent recycled in the transfer process, the standby water return pipeline 15 is connected with a waste conveying pipe 26 to a water return purification workshop 10, a fourth stop valve 20 is installed on the waste conveying pipe 26, a sixth stop valve 22 is installed on a purified water pipe 27, and a third multi-stage pump 11 is connected with the standby water return pipeline 15 through a purified water pipe 27.

When the pipeline is cleaned: the third, fifth, eighth, and second cutoff valves 19, 21, 24, and 18 of the two return lines are opened, and the first, fourth, sixth, ninth, and seventh cutoff valves 7, 20, 22, 25, and 23 are closed. Starting a hydrochloric acid tank 3, a chemical stirring tank 4, opening a stainless steel valve 5, starting a multistage pump 6 to perform cleaning, forming a flowing closed loop circulation dosing cleaning descaling process by the multistage pump 6, a water return pipeline 14, a standby water return pipeline 15 and a tailing water reservoir 13, completely exerting the drug effect, and stopping running the multistage pump 6, the hydrochloric acid tank 3 and the chemical stirring tank 4 after the pipelines are cleaned; the stainless steel valve 5 is closed. And opening the first stop valve 7 of the pipeline, discharging the cleaning material into a tailing backwater reservoir 13, and checking the pipeline cleaning effect after the material is discharged. After the pipeline cleaning effect is checked, opening a ninth stop valve 25, a seventh stop valve 23, a fourth stop valve 20 and a sixth stop valve 22; the third stop valve 19, the second stop valve 18, the fifth stop valve 21, and the eighth stop valve 24 are closed. And starting a second multi-stage pump 9 to pump the materials discharged from the pipeline into a paste thickener of a backwater purified water workshop for solid-liquid separation and purification treatment, discharging the solid and tailing sand into a tailing pond in the form of paste with the concentration of 68% for storage, mixing the liquid for cleaning the pipeline and the backwater which is not subjected to purification treatment, feeding the mixture into a backwater purification workshop 10 for purification, and pumping the purified water into the workshop for use by using a third multi-stage pump 11.

Claims (4)

1. The utility model provides a high-efficient mine return water pipeline scale removal adds medicine circulation belt cleaning device which characterized in that: the device comprises a high-level water tank (2), a backwater purification workshop (10), a tailing backwater reservoir (13), a backwater pipeline (14), a standby backwater pipeline (15), a circulating connecting pipe (1), a first multi-stage pump (6), a second multi-stage pump (9), a third multi-stage pump (11), a first feeding pipe (29), a second feeding pipe (16), a first hydrochloric acid tank (3) and a second medicament stirring tank (4);

the device is characterized in that a first multi-stage pump (6) is installed at the bottom of a water return pipeline (14), a first feeding pipe (29) is installed at the side end of the first multi-stage pump (6), the bottom of the first feeding pipe (29) is connected with a flange check bottom valve (12), the first feeding pipe (29) is connected with a stainless steel pipe, a stainless steel ball valve (5), a hydrochloric acid tank (3) and a second medicament stirring tank (4), a first check valve (17), a material discharging pipeline and a first stop valve (7) are connected to a pipeline at the upper end discharge port of the first multi-stage pump, a third stop valve (19) and a fifth stop valve (21) are installed on a standby water return pipeline (15), a second feeding pipe (16) is installed at the side end of the standby water return pipeline (15), the bottom of the second feeding pipe (16) is connected with a check flange bottom valve, a second check valve (8) is connected to a pipeline at the upper end discharge port of the second multi-stage pump, a material discharging pipeline and a second stop valve (18), the water return pipeline (14) is connected with the seventh stop valve (23) at the position of the top water outlet of the high-position water tank (2), the spare water return pipeline (15) is connected with the ninth stop valve (25) at the position of the top water outlet of the high-position water tank (2), the pipeline rear ends of the seventh stop valve (23) and the ninth stop valve (25) are connected with the circulating connection pipe (1), the eighth stop valve (24) is installed on the circulating connection pipe (1), the two pipelines are connected in series, the tailings backwater reservoir (13) stores the recycled chemicals, the spare water return pipeline (15) is connected with the waste conveying pipe (26) to the backwater purification workshop (10), the fourth stop valve (20) is installed on the waste conveying pipe (26), the sixth stop valve (22) is installed on the water purification water pipe (27), and the third multi-stage pump (11) is connected with the spare water return pipeline (15) through the water purification pipe (27).

2. The efficient mine water return pipeline descaling and dosing circulating cleaning device as claimed in claim 1, wherein: the flow rates of the first multi-stage pump (6) and the second multi-stage pump (9) are 280m³A remote multistage pump.

3. The efficient mine water return pipeline descaling and dosing circulating cleaning device as claimed in claim 1, wherein: a spare water return pipeline connected with the second multi-stage pump is upwards connected with a waste conveying pipe to a water return purification workshop (10) at a position of 400 meters.

4. The efficient mine water return pipeline descaling and dosing circulating cleaning device as claimed in claim 1, wherein: a first feeding pipe of a 3 m upward position of a flange non-return bottom valve connected with the bottom of a first feeding pipe is connected with a stainless steel pipe, a stainless steel spherical valve and a second medicament stirring tank (4), and a first feeding pipe of a 3.5 m upward position of the flange non-return bottom valve is connected with a 2-inch stainless steel pipe, a stainless steel spherical valve and a first hydrochloric acid tank (3).

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