CN204320507U - A kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam - Google Patents
A kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam Download PDFInfo
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- CN204320507U CN204320507U CN201420688057.0U CN201420688057U CN204320507U CN 204320507 U CN204320507 U CN 204320507U CN 201420688057 U CN201420688057 U CN 201420688057U CN 204320507 U CN204320507 U CN 204320507U
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Abstract
The utility model discloses a kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam, and comprises pressure stabilizing well mineral-feeding pipe road, pressure stabilizing well, pressure stabilizing well ore removal pipeline, crane span structure; Described pressure stabilizing well mineral-feeding pipe road comprises to the flat pipe in ore deposit, to ore deposit standpipe, to the flat pipe in ore deposit with enter ore deposit end and be connected, by entering pressure stabilizing well to ore deposit standpipe; Described pressure stabilizing well comprises pressure stabilizing well standpipe, pressure stabilizing well overflow standpipe, and pressure stabilizing well standpipe is connected by the connection short tube that some be arranged in parallel with pressure stabilizing well overflow standpipe, connects short tube and is provided with control valve; Pressure stabilizing well overflow riser bottom is vertically provided with the flat pipe of overflow; Described pressure stabilizing well ore removal pipeline comprises the flat pipe of ore removal, ore removal standpipe, and ore removal is put down pipe and ore removal standpipe vertical with ore removal standpipe and is positioned at below the horizontal line of pedestal.This voltage-stabilizing system structure is simple, and easy to operate, fault easily processes, and solves center line formula method of building a dam and strictly causes Tailings transportation pressure to be difficult to adjustment, complicated operation, problem that management difficulty is large because of the requirement of cyclone feed force.
Description
Technical field
The utility model relates to a kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam, and belongs to mechanical field.
Background technology
At present, the process of most domestic mill tailings adopts upstream type to build a dam method, and do not adopt cyclone classification, direct tailings discharging is built a dam to Tailings Dam, to the basic no requirement (NR) of Tailings transportation pressure; Some mines adopt cyclone classification to build a dam and also build a dam because upstream type method of building a dam directly is delivered to Tailings Dam supply cyclone classification to classification efficiency and the less demanding employing of dam material, some mines there are certain requirements cyclone operating pressure, adopt and high-order pressurizer tank is set on hillside, tailings warehouse dam body one end, Tailings Slurry is delivered to pressurizer tank, then directly picks out pipeline supply cyclone classification and build a dam; Adopt the build a dam mine of method of center line formula that cyclone classification need be adopted to build a dam, require higher to cyclone operating pressure, general employing arranges high-order pressurizer tank on hillside, tailings warehouse dam body one end, then by pipeline self to cyclone, or during pressure conveying Tailings Slurry, the mode that employing carries out pressure regulation at Tailings transportation pumping plant adjusts cyclone operating pressure, meets the requirement of cyclone operating pressure.
The tailings glass mode that high mouth iron ore adopts is that center line formula is built a dam mode, different from traditional upstream type method of building a dam, center line formula method urban d evelopment classifying equipoment of building a dam has higher stilling productivity, and for ensureing the stability of piling body of building a dam, to quality requirement of building a dam, namely build a dam higher with sand setting material quality requirement, to require in sand setting that granularity is less than 200 object content and be not more than 30%.
It is hydrocyclone that the center line formula method of building a dam is built a dam with mine tailing sand setting classifying equipoment, during its work, sand setting grading effect is very responsive to giving ore deposit change of pressure, directly have influence on the grading effect of cyclone to the fluctuation of ore deposit operating pressure, thus have influence on the stability of build a dam quality and dam body.
Above-mentioned enforcement center line formula is built a dam, and to regulate Tailings transportation pressure mode existing defects to be mainly according to on-the-spot cyclone regulating working conditions cyclone convenient not to ore deposit operating pressure for the mine of method, inconvenient operation, there is certain hysteresis quality in regulating effect, real-time modulability is strong, affects quality of building a dam; And system all need stop ore drawing after any link of system breaks down, influential system is produced, and causes management difficulty large.
High mouth iron ore is built a dam at present with classifying equipoment employing U.S. KREBS company D15B-852 type hydrocyclone, and designing requirement Tailing dam construction stilling productivity is greater than 35%, requires that in sand setting ,-200 order content are not more than 30%.For meeting above-mentioned dam material requirement, reaching optimum steady working condition, according to field trial, requiring that cyclone makes pressure stability at 0.09 ~ 0.11MPa to miner.For reaching cyclone to the stable operating pressure in ore deposit, employing Sending tailings was that Tailings transportation pipeline is directly connected to pressure stabilizing well in the past, then pipeline is picked out to vertical back drop from pressure stabilizing well, back drop outlet is connected to cyclone to ore deposit, and cyclone pressure regulates the main mode relying on adjustment cyclone to open number of units to operate.
Therefore, can Sending tailings provide stable for building a dam with cyclone and play vital effect to the build a dam guarantee of quality and the safety of dam body stable operation of the ore deposit operating pressure center line formula method of building a dam.
Summary of the invention
The utility model provides a kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam, structure is simple, easy to operate, fault easily processes, and solves center line formula method of building a dam and strictly causes Tailings transportation pressure to be difficult to adjustment, complicated operation, problem that management difficulty is large because of the requirement of cyclone feed force.
The technical solution adopted in the utility model is:
Supply the Tailings transportation voltage-stabilizing system that cyclone classification is built a dam, comprise pressure stabilizing well mineral-feeding pipe road, pressure stabilizing well, pressure stabilizing well ore removal pipeline, crane span structure; It is characterized in that:
Described pressure stabilizing well mineral-feeding pipe road comprises to the flat pipe in ore deposit, to ore deposit standpipe, the two is vertically arranged, to the flat pipe in ore deposit with enter ore deposit end and be connected, by entering pressure stabilizing well to ore deposit standpipe, to the flat pipe in ore deposit and being provided with mineral-feeding pipe road control valve to standpipe junction, ore deposit; Be provided with to the flat pipe in ore deposit and switch pipe import, to ore deposit evacuated tube interface to ore deposit; Be provided with connecting bend to ore deposit riser top to be connected with pressure stabilizing well;
Described pressure stabilizing well comprises pressure stabilizing well standpipe, pressure stabilizing well overflow standpipe, and pressure stabilizing well standpipe is divided into epimere and hypomere, is provided with reducer pipe between epimere and hypomere; The side of pressure stabilizing well standpipe is provided with pressure stabilizing well overflow standpipe, and pressure stabilizing well standpipe is connected by the connection short tube that some be arranged in parallel with pressure stabilizing well overflow standpipe, connects short tube and is provided with control valve; Pressure stabilizing well overflow riser bottom is vertically provided with the flat pipe of overflow, and the flat pipe of overflow is provided with to ore deposit evacuated tube, is connected with to the ore deposit evacuated tube interface of giving on the flat pipe in ore deposit;
Described pressure stabilizing well ore removal pipeline comprises the flat pipe of ore removal, ore removal standpipe, and the flat pipe of ore removal is vertical with pressure stabilizing well standpipe to be arranged, and ore removal is put down and managed vertical with ore removal standpipe and ore removal standpipe is positioned at below the horizontal line of pedestal; The flat pipe of ore removal is provided with and switches pipe outlet to ore deposit, and to switching pipe import to ore deposit and be connected on the flat pipe in ore deposit; Ore removal standpipe is provided with ore drawing interface tube and ore discharge interface tube.
Described is D450*8mm steel and rubber compound tube to the flat pipe in ore deposit, to ore deposit standpipe.
The epimere of described pressure stabilizing well standpipe is 8 meters high, adopts D600*10-25mm steel and rubber compound tube; Hypomere is 16.7 meters high, adopts D800*10-25mm cast stone liner pipeline; On pressure stabilizing well standpipe, height is provided with connection short tube every 4 meters.
Described connection short tube is the pipe of D325*8mm, and length is 1.7 meters, and described control valve is the valve of φ 300mm.
Described ore drawing interface tube and ore discharge interface tube be arranged in parallel, and the difference in height of the two is 4 meters.
Sending tailings is conducted through after pressure stabilizing well mineral-feeding pipe road enters pressure stabilizing well through pipeline pressure, pick out short tube by pressure stabilizing well to be connected finder outlet with overflow standpipe and to stretch into mode in storehouse, realize ore pulp and control cyclone feed force by gravity flow mode, the pressure in cyclone mineral-feeding pipe road is connected the highness change of short tube and ore removal standpipe forward spin flow device mineral-feeding pipe pipeline joint with overflow standpipe by pressure stabilizing well, maintenance certain height difference can be embodied as the feed force that cyclone classification provides stable, thus when avoiding manifold pressure to carry, with carrying out ore deposit amount, fluctuation of operating conditions such as pressure and cause cyclone feed force to fluctuate.
The Tailings transportation voltage-stabilizing system that the supply cyclone classification that the utility model provides is built a dam, structure is simple, novel, after Sending tailings uses, will bring following effect:
(1) ore pulp controls through pressure stabilizing well gravity flow mode, be connected the highness change cyclone feed force of short tube and ore removal standpipe forward spin flow device mineral-feeding pipe pipeline joint with overflow standpipe by pressure stabilizing well, this system keeps certain height difference by regulating, be embodied as the feed force that cyclone classification provides stable, ensure that hydrocyclone sand productive rate meets the demands, when avoiding manifold pressure to carry, cyclone feed force is caused to fluctuate with carrying out the fluctuation of operating conditions such as ore deposit amount, pressure.
Pressure stabilizing well overflow standpipe arranges short port tube every 4 meters and uses by-pass valve control, ore removal standpipe arranges cyclone mineral-feeding pipe pipeline joint every 4 meters, meet and rise to different level feed force adjustment requirement with dam body, simultaneously can according to practical condition, by the opening and closing flexible modulation cyclone feed force of overflow pipe by-pass valve control, meet for cyclone provides steady pressure requirement to ore deposit.
(2) by enter pressure stabilizing well to ore deposit standpipe before set up mineral-feeding pipe road switch pipe connect with pressure stabilizing well ore removal pipeline, and control valve is set, when meeting pressure stabilizing well fault, or when switching pressure stabilizing well overflow by-pass valve control, ore pulp does not enter pressure stabilizing well and is directly disposed to cyclone mineral-feeding pipe road through ore removal pipeline, influential system is produced when avoiding pressure stabilizing well fault or when switching overflow control valve door, and convenient operation manages.
(3) pressure stabilizing well adopts two sections of tapered pipelines, has both alleviated pressure stabilizing well own wt, alleviates pressure stabilizing well pressure on foundation, guarantees again the wear-resisting requirement in pressure stabilizing well bottom, extends system service life.
(4) by picking out emptying pipe to the flat pipe of pressure stabilizing well overflow before pressure stabilizing well enters standpipe to the flat pipe in ore deposit, emptying pressure stabilizing well mineral-feeding pipe road after realization stopping ore drawing, avoid stop after ore drawing to ore deposit standpipe produce silting or winter frozen block phenomenon, reduce system failure rate.
(5) the invention solves center line formula method of building a dam to be difficult to keep stable problem due to the high and Tailings transportation pressure that is that cause of cyclone feed force requirement, simple to operate, easy to adjust, timely, greatly reduce the impact that fault is produced system; Be convenient to management, reduce management cost.
Below in conjunction with drawings and Examples, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the profile along A-A line in Fig. 1.
In figure, 1 is pedestal, and 2 is that 3 is to ore deposit standpipe, and 4 is mineral-feeding pipe road control valve to the flat pipe in ore deposit, 5 is switch pipe import to ore deposit, and 6 is switch pipe outlet to ore deposit, and 7 is to ore deposit evacuated tube interface, 8 is elbow, and 9 is pressure stabilizing well standpipe, and 10 is reducer pipe, 11 for connecting short tube, and 12 is control valve, and 13 is overflow standpipe, 14 is the flat pipe of overflow, and 15 is to ore deposit evacuated tube, and 16 is the flat pipe of ore removal, 17 is ore removal standpipe, and 18 is ore drawing interface tube, and 19 is ore discharge interface tube.
Detailed description of the invention
Embodiment:
As shown in Figure 1, 2, a kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam, comprises pressure stabilizing well mineral-feeding pipe road, pressure stabilizing well, pressure stabilizing well ore removal pipeline, pedestal 1; It is characterized in that:
Described pressure stabilizing well mineral-feeding pipe road comprises to the flat pipe 2 in ore deposit, to ore deposit standpipe 3, the two is vertically arranged, to the flat pipe 2 in ore deposit with enter ore deposit end and be connected, by entering pressure stabilizing well to ore deposit standpipe 3, be provided with mineral-feeding pipe road control valve 4 to the flat pipe 2 in ore deposit with giving ore deposit standpipe 3 junction; Be provided with to the flat pipe 2 in ore deposit and switch pipe import 5, to ore deposit evacuated tube interface 7 to ore deposit; Be provided with connecting bend 8 to ore deposit standpipe 3 top to be connected with pressure stabilizing well;
Described pressure stabilizing well comprises pressure stabilizing well standpipe 9, pressure stabilizing well overflow standpipe 13, and pressure stabilizing well standpipe 9 is divided into epimere and hypomere, is provided with reducer pipe 10 between epimere and hypomere; The side of pressure stabilizing well standpipe 9 is provided with pressure stabilizing well overflow standpipe 13, and pressure stabilizing well standpipe 9 is connected by the connection short tube 11 that some be arranged in parallel with pressure stabilizing well overflow standpipe 13, connects short tube 11 and is provided with control valve 12; Pressure stabilizing well overflow standpipe 13 bottom vertical is provided with the flat pipe 14 of overflow, and the flat pipe 14 of overflow is provided with to ore deposit evacuated tube 15, is connected with to the ore deposit evacuated tube interface 7 of giving on the flat pipe 2 in ore deposit;
Described pressure stabilizing well ore removal pipeline comprises the flat pipe 16 of ore removal, ore removal standpipe 17, and the flat pipe of ore removal 16 is vertical with pressure stabilizing well standpipe 9 to be arranged, and the flat pipe of ore removal 16 is vertical with ore removal standpipe 17 and ore removal standpipe 17 is positioned at below the horizontal line of pedestal 1; The flat pipe 16 of ore removal is provided with and switches pipe outlet 6 to ore deposit, and to switching pipe import 5 to ore deposit and be connected on the flat pipe 2 in ore deposit; Ore removal standpipe 17 is provided with ore drawing interface tube 18 and ore discharge interface tube 19.
Described is D450*8mm steel and rubber compound tube to the flat pipe in ore deposit, to ore deposit standpipe.
The epimere of described pressure stabilizing well standpipe is 8 meters high, adopts D600*10-25mm steel and rubber compound tube; Hypomere is 16.7 meters high, adopts D800*10-25mm cast stone liner pipeline; On pressure stabilizing well standpipe, height is provided with connection short tube every 4 meters.
Described connection short tube is the pipe of D325*8mm, and length is 1.7 meters, and described control valve is the valve of φ 300mm.In this device, parallel four joints that are provided with connect short tube.
Described ore drawing interface tube and ore discharge interface tube be arranged in parallel, and the difference in height of the two is 4 meters.
Concrete preparation method is:
1. pressure stabilizing well mineral-feeding pipe road comprises to the flat pipe in ore deposit, to ore deposit standpipe, put down pipe to ore deposit and adopt the D450*8mm steel and rubber compound tube identical with now using mineral-feeding pipe road to ore deposit standpipe, entering ore deposit end to connect with original feed pipeline, access to ore deposit standpipe, entering pressure stabilizing well by giving ore deposit standpipe.For in emergency circumstances overhauling pressure stabilizing well or switching pressure stabilizing well overflow control valve door, realize not enter the direct Cemented filling of pressure stabilizing well, enter pressure stabilizing well to ore deposit standpipe before control valve is set, entering pressure stabilizing well to the flat pipe of ore deposit standpipe directly connecing a pipeline to the flat pipe of pressure stabilizing well ore removal near pressure stabilizing well place (namely switching pipe to ore deposit) simultaneously, switch pipe as mineral-feeding pipe road to connect with pressure stabilizing well ore removal pipeline, and switch valve is set.By improving, when meeting pressure stabilizing well fault, or when switching pressure stabilizing well overflow by-pass valve control, ore pulp does not enter pressure stabilizing well and is directly disposed to cyclone mineral-feeding pipe road through ore removal pipeline, avoids influential system and produces.
2. pressure stabilizing well comprises pressure stabilizing well standpipe, pressure stabilizing well overflow standpipe.For alleviating pressure stabilizing well own wt, alleviate pressure stabilizing well pressure on foundation, guarantee the wear-resisting requirement in pressure stabilizing well bottom simultaneously, pressure stabilizing well adopts reducing two sections of tapered pipelines, namely 8 meters, top highly adopts D600*10-25mm steel and rubber compound tube, and 16.7 meters, bottom highly adopts D800*10-25mm cast stone liner pipeline; For realize dam body be increased to differing heights time, keeping steady operation pressure requirements to switch needs, and picks out 1 D325*8mm short tube interface highly respectively, connected by φ 300mm control valve with overflow standpipe at every 4 meters.
For prevent from stopping after ore drawing to ore deposit standpipe produce silting or winter frozen block phenomenon, a D194*8 emptying pipe is picked out to the flat pipe of pressure stabilizing well overflow before pressure stabilizing well enters standpipe to the flat pipe in ore deposit, by the gate control of φ 150mm exhaust-valve, emptying pressure stabilizing well mineral-feeding pipe road after realization stopping ore drawing.
3. pressure stabilizing well ore removal pipeline is made up of the flat pipe of ore removal and ore removal standpipe, ore pulp flows out through the flat pipe of ore removal from pressure stabilizing well and flow to ore removal standpipe, every 4 meters of each 1 of short port tubes of accident ore discharge pipe in ore drawing pipe and storehouse on reserved access dam highly respectively on ore removal standpipe, realize normally producing with dam forward spin flow device, tubular service switch needs.
Rise year by year with dam body, raise cyclone mineral-feeding pipe road year by year, during normal production, connected with ore removal pipeline by ore drawing interface tube on the dam on ore removal standpipe, close the pressure stabilizing well overflow standpipe by-pass valve control of former use simultaneously, open next height overflow pipe control valve, meet and rise to different level feed force adjustment requirement with dam body; Simultaneously in annual daily production process, also can according to practical condition, by the open to shut to regulate cyclone feed force of overflow pipe by-pass valve control.
When dam forward spin flow device, tubular service, be connected to dump in accident ore discharge Guan Ku by accident ore discharge interface tube on ore removal standpipe.
Claims (5)
1. supply the Tailings transportation voltage-stabilizing system that cyclone classification is built a dam, comprise pressure stabilizing well mineral-feeding pipe road, pressure stabilizing well, pressure stabilizing well ore removal pipeline, crane span structure; It is characterized in that:
Described pressure stabilizing well mineral-feeding pipe road comprises to the flat pipe in ore deposit, to ore deposit standpipe, the two is vertically arranged, to the flat pipe in ore deposit with enter ore deposit end and be connected, by entering pressure stabilizing well to ore deposit standpipe, to the flat pipe in ore deposit and being provided with mineral-feeding pipe road control valve to standpipe junction, ore deposit; Be provided with to the flat pipe in ore deposit and switch pipe import, to ore deposit evacuated tube interface to ore deposit; Be provided with connecting bend to ore deposit riser top to be connected with pressure stabilizing well;
Described pressure stabilizing well comprises pressure stabilizing well standpipe, pressure stabilizing well overflow standpipe, and pressure stabilizing well standpipe is divided into epimere and hypomere, is provided with reducer pipe between epimere and hypomere; The side of pressure stabilizing well standpipe is provided with pressure stabilizing well overflow standpipe, and pressure stabilizing well standpipe is connected by the connection short tube that some be arranged in parallel with pressure stabilizing well overflow standpipe, connects short tube and is provided with control valve; Pressure stabilizing well overflow riser bottom is vertically provided with the flat pipe of overflow, and the flat pipe of overflow is provided with to ore deposit evacuated tube, is connected with to the ore deposit evacuated tube interface of giving on the flat pipe in ore deposit;
Described pressure stabilizing well ore removal pipeline comprises the flat pipe of ore removal, ore removal standpipe, and the flat pipe of ore removal is vertical with pressure stabilizing well standpipe to be arranged, and ore removal is put down and managed vertical with ore removal standpipe and ore removal standpipe is positioned at below the horizontal line of pedestal; The flat pipe of ore removal is provided with and switches pipe outlet to ore deposit, and to switching pipe import to ore deposit and be connected on the flat pipe in ore deposit; Ore removal standpipe is provided with ore drawing interface tube and ore discharge interface tube.
2. the supply cyclone classification according to claim 1 Tailings transportation voltage-stabilizing system of building a dam, is characterized in that: described is D450*8mm steel and rubber compound tube to the flat pipe in ore deposit, to ore deposit standpipe.
3. the supply cyclone classification according to claim 1 Tailings transportation voltage-stabilizing system of building a dam, is characterized in that: the epimere of described pressure stabilizing well standpipe is 8 meters high, adopts D600*10-25mm steel and rubber compound tube; Hypomere is 16.7 meters high, adopts D800*10-25mm cast stone liner pipeline; On pressure stabilizing well standpipe, height is provided with connection short tube every 4 meters.
4. the supply cyclone classification according to claim 1 Tailings transportation voltage-stabilizing system of building a dam, it is characterized in that: described connection short tube is the pipe of D325*8mm, length is 1.7 meters, and described control valve is the valve of φ 300mm.
5. the supply cyclone classification according to claim 1 Tailings transportation voltage-stabilizing system of building a dam, it is characterized in that: described ore drawing interface tube and ore discharge interface tube be arranged in parallel, and the difference in height of the two is 4 meters.
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| CN201420688057.0U CN204320507U (en) | 2014-11-18 | 2014-11-18 | A kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam |
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| CN201420688057.0U CN204320507U (en) | 2014-11-18 | 2014-11-18 | A kind of Tailings transportation voltage-stabilizing system supplying cyclone classification and build a dam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137819A (en) * | 2018-07-12 | 2019-01-04 | 北京矿冶科技集团有限公司 | A kind of Tailings Dam movable type cyclone classification is built a dam system and implementation method |
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2014
- 2014-11-18 CN CN201420688057.0U patent/CN204320507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137819A (en) * | 2018-07-12 | 2019-01-04 | 北京矿冶科技集团有限公司 | A kind of Tailings Dam movable type cyclone classification is built a dam system and implementation method |
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