CN215672340U - Wind-water slurry making system based on unpowered deep cone thickener - Google Patents
Wind-water slurry making system based on unpowered deep cone thickener Download PDFInfo
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- CN215672340U CN215672340U CN202122393672.1U CN202122393672U CN215672340U CN 215672340 U CN215672340 U CN 215672340U CN 202122393672 U CN202122393672 U CN 202122393672U CN 215672340 U CN215672340 U CN 215672340U
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Abstract
The utility model discloses a wind-water slurry making system based on an unpowered deep cone thickener, which comprises a cone positioned at the bottom, wherein annular water pipes which are arranged up and down are arranged at the cone, and a nozzle is connected onto the annular water pipes and comprises a pipe body communicated with the annular water pipes and jet orifices which are uniformly distributed on the outer circular surface of the pipe body in the circumferential direction. The installation directions of the pipe bodies of the nozzles in the adjacent layers are different. The bottom of the cone is connected with an output pipeline, the water pump is communicated with each annular water pipe through a slurry making water pipeline, and is also connected with the output pipeline through a concentration adjusting water pipeline to realize the adjustment of the sand concentration. The utility model can increase the slurry making area, reduce the slurry making dead zone and simultaneously adjust the sand concentration through the concentration adjusting water pipeline.
Description
Technical Field
The utility model relates to a tailing thickening and slurry making device used for mine filling, in particular to a wind-water slurry making system based on an unpowered deep cone thickener, which is mainly used for mine tailing slurry making.
Background
In recent years, with the higher and higher requirements for safety and environmental protection, the filling technology is more widely applied. With the development of mine filling technology, the requirement on filling concentration is higher and higher. The unpowered deep cone thickener has the advantages of small occupied area, high underflow concentration, continuous thickening and the like, is widely applied to mines, and ensures the continuity, high efficiency and production safety of mine tailing filling.
The unpowered deep cone thickener has a complex production process, and the whole process has the characteristics of large inertia, nonlinearity and the like. Chinese utility model patent publication No. CN212508423U, a wind and water linkage slurry making device for a deep cone thickener, discloses a slurry making system which utilizes a deep cone thickener to make slurry and sand. The defects are as follows: the directions of nozzles in the annular pipelines in the thickener are the same, so that the actual slurry making area in the cone is smaller, a slurry making dead zone is generated, and the slurry making effect is poorer; on the other hand, the sand discharge concentration can not be detected and adjusted, and the stable underflow concentration can not be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind-water slurry making system based on an unpowered deep cone thickener, which aims to: (1) the pulping area is increased, and the pulping dead zone is reduced; (2) the detection and adjustment of the sand discharging concentration are realized.
The technical scheme of the utility model is as follows:
the wind-water slurry making system based on the unpowered deep cone thickener comprises a thickener, wherein the thickener comprises a cone positioned at the bottom, a plurality of annular water pipes which are arranged up and down are arranged at the position of the cone, nozzles positioned on the inner side of the cone are connected onto the annular water pipes, each nozzle comprises a pipe body communicated with the annular water pipes and jet orifices which are uniformly distributed on the outer circular surface of the pipe body along the circumference, the bottom of the cone is connected with an output pipeline, the slurry making system also comprises a water pump used for providing slurry making water for the annular water pipes, the water pump is respectively communicated with the head ends of the annular water pipes through the slurry making water pipelines, the tail ends of the annular water pipes are respectively communicated with a sewage discharge pipeline, the annular water pipes are at least four groups, the pipe bodies of the nozzles have two installation directions, one is vertically arranged, and the other is vertical to the conical surface part on the cone corresponding to the pipe bodies, the installation directions of the nozzles on the same annular water pipe are the same, and the installation directions of the nozzles on the adjacent annular water pipes are different;
the output pipeline comprises a sand discharging pipeline and a filling pipeline in sequence, an outlet at the bottom of the cone is communicated with the head end of the sand discharging pipeline, the tail end of the sand discharging pipeline is communicated with the head end of the filling pipeline, and the water pump is also communicated with the tail end of the sand discharging pipeline through a concentrated water adjusting pipeline; the sand discharging pipeline is provided with a sand discharging valve, the concentration regulating water pipeline is provided with a concentration regulating valve, and the filling pipeline is provided with an underflow concentration meter.
As a further improvement of the pulping system: the slurry making water pipeline comprises a slurry making water main pipeline and slurry making water branch pipelines, wherein the head ends of the slurry making water branch pipelines are communicated with the slurry making water main pipeline, and the tail ends of the slurry making water branch pipelines are communicated with the head ends of the annular water pipes in a one-to-one correspondence mode.
As a further improvement of the pulping system: and the main slurry making water pipeline is provided with a slurry making water flow meter, a slurry making water regulating valve, a pressure transmitter and a slurry making water stop valve.
As a further improvement of the pulping system: and a branch regulating valve and a branch stop valve are respectively arranged on each slurry making branch pipeline.
As a further improvement of the pulping system: the sewage discharge pipeline comprises a main sewage discharge pipeline and branch sewage discharge pipelines, wherein the head ends of the branch sewage discharge pipelines are communicated with the tail ends of the annular water pipes in a one-to-one correspondence manner, and the tail ends of the branch sewage discharge pipelines are communicated with the main sewage discharge pipeline; and a blowdown valve is respectively arranged on each blowdown branch pipeline.
As a further improvement of the pulping system: the sand discharging valve comprises a sand discharging manual valve and a sand discharging electric valve which are sequentially arranged from the head end to the tail end of the sand discharging pipeline.
As a further improvement of the pulping system: and the concentrated water adjusting pipeline is also provided with a concentrated water flowmeter and a concentrated water adjusting stop valve positioned at the rear side of the concentrated water adjusting valve.
As a further improvement of the pulping system: and the filling pipeline is also provided with an underflow flow meter and an underflow adjusting valve.
As a further improvement of the pulping system: the device also comprises a material level meter arranged at the top end of the thickener.
Compared with the prior art, the utility model has the following beneficial effects: (1) the installation directions of the nozzles connected to the adjacent annular water pipes in the system are different, and the spraying directions of the adjacent layers are also arranged in a staggered manner, so that the dead zone of slurry making spraying can be effectively reduced, and the slurry making area is enlarged; (2) the system is additionally provided with a concentrated water adjusting pipeline, and the concentration of discharged sand can be adjusted through a concentrated water adjusting valve, so that the output underflow concentration meets the requirement, and the stability of the underflow concentration is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the system;
FIG. 2 is a schematic view of the annular water tube, nozzle, slurrification pipe and blowdown pipe portions;
FIG. 3 is a schematic structural view of an annular water pipe installed on a cone part of a thickener;
fig. 4 is a schematic view of the nozzle structure inside the cone, with the nozzle portion enlarged to clarify the mounting direction of the nozzle.
The corresponding part names are labeled in the figure:
1. the system comprises a thickener, 2, a material level meter, 3, a blow-down valve, 4, a main blow-down pipeline, 5, a sand-discharging pipeline, 6, a manual sand-discharging valve, 7, an electric sand-discharging valve, 8, a filling pipeline, 9, an underflow adjusting valve, 10, an underflow concentration meter, 11, an underflow flow meter, 12, a concentration adjusting water stop valve, 13, a control system, 14, a concentration adjusting water adjusting valve, 15, a concentration adjusting water flow meter, 16, a concentration adjusting water pipeline, 17, a water pump, 18, a main slurry making water pipeline, 19, a slurry making water flow meter, 20, a slurry making water adjusting valve, 21, a pressure transmitter, 22, a slurry making water stop valve, 23, a branch adjusting valve, 24, a branch stop valve, 25, an annular water pipe, 26 and a nozzle.
Detailed Description
The technical scheme of the utility model is explained in detail in the following with the accompanying drawings:
referring to fig. 1, the wind-water slurry making system based on the unpowered deep cone thickener 1 comprises the thickener 1, and a weight type level indicator 2 is arranged at the top end of the thickener 1.
As shown in fig. 1 to 3, the thickener 1 includes a straight barrel and a cone located at the bottom, four groups of annular water pipes 25 arranged up and down are installed at the cone, and the first layer, the second layer, the third layer and the fourth layer are sequentially arranged from bottom to top. The annular water pipe 25 is connected with a nozzle 26 positioned on the inner side of the cone.
As shown in fig. 4, the nozzle 26 includes a pipe body communicating with the circular water pipe 25 and injection ports circumferentially and uniformly distributed on an outer circumferential surface of the pipe body. The nozzle 26 has a tube body with two mounting directions, wherein the first and third layers of nozzles 26 are arranged vertically, and the second and fourth layers are arranged such that the tube body is perpendicular to the corresponding conical surface portion of the cone. When five or more groups of annular water tubes 25 are used, the following criteria are also to be followed: the nozzles 26 on the same annular water pipe 25 are installed in the same direction, and the nozzles 26 on the adjacent annular water pipes 25 are installed in different directions.
The staggered design can reduce the dead zone of slurry making, enlarge the slurry making area and improve the slurry making effect. Two directions of vertical conical surfaces and vertical conical surfaces are selected, and the convenient positioning direction in the construction process is mainly considered.
As shown in fig. 1, the slurry making system further comprises a water pump 17 for supplying slurry making water to the annular water pipes 25, and the water pump 17 is respectively communicated with the head ends of the annular water pipes 25 through slurry making water pipelines. Specifically, the slurry making water pipeline includes a main slurry making water pipeline 18 and slurry making water branch pipelines, the head ends of which are communicated with the main slurry making water pipeline 18, and the tail ends of which are communicated with the head ends of the annular water pipes 25 in a one-to-one correspondence manner. The main slurry making water pipeline 18 is provided with a slurry making water flow meter 19 (electromagnetic type), a slurry making water regulating valve 20, a pressure transmitter 21 and a slurry making water stop valve 22. A branch regulating valve 23 and a branch stop valve 24 are respectively arranged on each slurry making branch pipeline.
The tail ends of the annular water pipes 25 are also respectively communicated with a sewage discharge pipeline. The sewage discharge pipeline comprises a main sewage discharge pipeline 4 and branch sewage discharge pipelines, wherein the head ends of the branch sewage discharge pipelines are communicated with the tail ends of the annular water pipes 25 in a one-to-one correspondence manner, and the tail ends of the branch sewage discharge pipelines are communicated with the main sewage discharge pipeline 4; and a blowdown valve 3 is respectively arranged on each blowdown branch pipeline.
The bottom of the cone is connected with an output pipeline. Specifically, the output pipeline comprises a sand discharging pipeline 5 and a filling pipeline 8 in sequence, the bottom outlet of the cone is communicated with the head end of the sand discharging pipeline 5, the tail end of the sand discharging pipeline 5 is communicated with the head end of the filling pipeline 8, and the water pump 17 is further communicated with the tail end of the sand discharging pipeline 5 through a concentrated water adjusting pipeline 16.
And the lower sand pipeline 5 is provided with a lower sand valve which comprises a lower sand manual valve 6 and a lower sand electric valve 7 which are sequentially arranged from the head end to the tail end of the lower sand pipeline 5. The concentrated water adjusting pipeline 16 is provided with a concentrated water adjusting valve 14, a concentrated water flow meter 15 and a concentrated water adjusting stop valve 12 positioned at the rear side of the concentrated water adjusting valve 14. The filling pipeline 8 is provided with an underflow concentration meter 10, an underflow flow meter 11 and an underflow adjusting valve 9.
Preferably, the regulating valve and the blowoff valve 3 are both electric valves connected to the control system 13, and may be ordinary manual valves, which depend on manual control, but the control efficiency and accuracy are obviously inferior to those of the manual valves depending on the control system 13.
The working process of the system is as follows (taking the automatic control based on the control system 13 as an example, the manual control process and the principle are similar to the automatic control):
1. when the slurry is not filled, the material level meter 2 measures the sand level information in the unpowered deep cone thickener 1, feeds the sand level information back to the control system 13, and automatically starts a slurry making system.
S1, opening the first layer slurry making nozzle 26, firstly opening the slurry making water regulating valve 20 and the first layer branch regulating valve 23, starting the water pump 17, leading high-pressure water to enter the thickener 1 through the slurry making pipeline and the nozzle 26, closing the first layer branch regulating valve 23 after activation reaches set time, opening the first layer blow-down valve 3, and discharging water in the annular water pipe 25 into a trench through the main blow-down pipeline 4; and after the sewage drainage is finished, closing the sewage drainage valve 3 of the first layer.
S2: the second layer slurry making system is started, the branch adjusting valve 23 of the second layer is opened, high-pressure water enters the interior of the thickener 1 through the nozzle 26 to make slurry, the level indicator 2 detects sand level information in the thickener 1 and transmits the sand level information to the control system 13, the opening and closing size of the branch adjusting valve 23 of the second layer is adjusted accordingly, after the arrival time, the branch adjusting valve 23 of the second layer is closed, the blow-off valve 3 of the second layer is opened, water in the annular water pipe 25 is discharged into the trench through the main blow-off pipeline 4, and finally the blow-off valve 3 of the second layer is closed.
S3: and starting the third layer of slurry making system, adjusting slurry making water flow through the branch adjusting valve 23 similarly to the second layer of process, and closing and discharging the slurry after the preset time is reached.
S4: and starting the fourth layer slurry making system, adjusting slurry making water flow through the branch adjusting valve 23 similarly to the second layer and the third layer processes, and closing and discharging the slurry after the preset time is reached.
2. During filling, the underflow adjusting valve 9 is closed, the sand discharging electric valve 7 and the concentration adjusting water adjusting valve 14 are opened, the bottom tailings are jacked up by high-pressure water to achieve about activation, time is controlled by the control system 13, the concentration adjusting water adjusting valve 14 is closed after the time is up, the underflow adjusting valve 9 is opened, the underflow concentration meter 10 measures the sand discharging concentration in the filling pipeline 8, and the sand discharging concentration is fed back to the control system 13: when the sand discharge concentration measured by the underflow concentration meter 10 is lower than the filling concentration requirement, automatically starting a first layer slurry making system; when the sand concentration reaches the set concentration, closing the first layer of slurry making system; when the sand discharging concentration detected by the underflow concentration meter 10 is higher than the filling concentration requirement, the concentration regulating valve 14 is automatically opened to supplement water and regulate the sand discharging concentration until the set sand discharging concentration is reached, and the concentration regulating valve 14 is closed.
Claims (9)
1. The utility model provides a thick liquid system is made to geomantic omen based on unpowered deep cone thickener, includes thickener (1), thickener (1) is including the cone that is located the bottom, cone department installs a plurality of annular water pipe (25) that arrange the setting from top to bottom, be connected with on annular water pipe (25) and be located inboard nozzle (26) of cone, nozzle (26) are including the body that is linked together with annular water pipe (25) and the jet of circumference equipartition on the outer disc of body, the bottom of cone is connected with the output pipeline, make thick liquid system still including being used for providing water pump (17) of making thick liquid for annular water pipe (25), water pump (17) are linked together respectively through the head end of making thick liquid water pipeline and each annular water pipe (25), and the end of each annular water pipe (25) still communicates its characterized in that with the blow off pipeline respectively: the annular water pipes (25) are at least four groups, the pipe bodies of the nozzles (26) have two installation directions, one is that the pipe bodies are vertically arranged, the other is that the pipe bodies are vertical to the conical surface parts on the corresponding cones, the installation directions of the nozzles (26) on the same annular water pipe (25) are the same, and the installation directions of the nozzles (26) on the adjacent annular water pipes (25) are different;
the output pipeline comprises a sand discharging pipeline (5) and a filling pipeline (8) in sequence, an outlet at the bottom of the cone is communicated with the head end of the sand discharging pipeline (5), the tail end of the sand discharging pipeline (5) is communicated with the head end of the filling pipeline (8), and the water pump (17) is also communicated with the tail end of the sand discharging pipeline (5) through a concentrated water adjusting pipeline (16); a sand discharging valve is arranged on the sand discharging pipeline (5), a concentrated water regulating valve (14) is arranged on the concentrated water regulating pipeline (16), and an underflow concentration meter (10) is arranged on the filling pipeline (8).
2. The wind-water slurrying system based on the unpowered deep cone thickener according to claim 1, wherein: the slurry making water pipeline comprises a slurry making water main pipeline (18) and slurry making water branch pipelines, wherein the head ends of the slurry making water branch pipelines are communicated with the slurry making water main pipeline (18), and the tail ends of the slurry making water branch pipelines are communicated with the head ends of the annular water pipes (25) in a one-to-one correspondence mode.
3. The wind-water pulping system based on the unpowered deep cone thickener according to claim 2, wherein: the main slurry making water pipeline (18) is provided with a slurry making water flow meter (19), a slurry making water regulating valve (20), a pressure transmitter (21) and a slurry making water stop valve (22).
4. The wind-water pulping system based on the unpowered deep cone thickener according to claim 2, wherein: a branch regulating valve (23) and a branch stop valve (24) are respectively arranged on each slurry making branch pipeline.
5. The wind-water slurrying system based on the unpowered deep cone thickener according to claim 1, wherein: the sewage discharge pipeline comprises a main sewage discharge pipeline (4) and branch sewage discharge pipelines, wherein the head ends of the branch sewage discharge pipelines are communicated with the tail ends of the annular water pipes (25) in a one-to-one correspondence manner, and the tail ends of the branch sewage discharge pipelines are communicated with the main sewage discharge pipeline (4); a blow-down valve (3) is respectively arranged on each blow-down branch pipeline.
6. The wind-water slurrying system based on the unpowered deep cone thickener according to claim 1, wherein: the sand discharging valve comprises a sand discharging manual valve (6) and a sand discharging electric valve (7) which are sequentially arranged from the head end to the tail end of the sand discharging pipeline (5).
7. The wind-water slurrying system based on the unpowered deep cone thickener according to claim 1, wherein: the concentrated water adjusting pipeline (16) is also provided with a concentrated water flow meter (15) and a concentrated water adjusting stop valve (12) positioned at the rear side of the concentrated water adjusting valve (14).
8. The wind-water slurrying system based on the unpowered deep cone thickener according to claim 1, wherein: and the filling pipeline (8) is also provided with an underflow flow meter (11) and an underflow adjusting valve (9).
9. The wind-water pulping system based on the unpowered deep cone thickener according to any one of claims 1 to 8, wherein: the device also comprises a material level meter (2) arranged at the top end of the thickener (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393672.1U CN215672340U (en) | 2021-09-30 | 2021-09-30 | Wind-water slurry making system based on unpowered deep cone thickener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393672.1U CN215672340U (en) | 2021-09-30 | 2021-09-30 | Wind-water slurry making system based on unpowered deep cone thickener |
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| Publication Number | Publication Date |
|---|---|
| CN215672340U true CN215672340U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122393672.1U Active CN215672340U (en) | 2021-09-30 | 2021-09-30 | Wind-water slurry making system based on unpowered deep cone thickener |
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| CN (1) | CN215672340U (en) |
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- 2021-09-30 CN CN202122393672.1U patent/CN215672340U/en active Active
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