CN217144404U

CN217144404U - Full-automatic production line for high-concentration cemented filling combining dry tail sand and concentrated tail sand slurry

Info

Publication number: CN217144404U
Application number: CN202220790999.4U
Authority: CN
Inventors: 冯柏凯; 冯军祥
Original assignee: Shandong Aoyingte Heavy Industry Technology Co ltd; Shandong Aoying Heavy Industry Technology Equipment Co ltd
Current assignee: Shandong Aoyingte Heavy Industry Technology Co ltd; Shandong Aoying Heavy Industry Technology Equipment Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-09
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to a full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling, wherein a deep cone thickener and a second cementing material processing device are both communicated with a second-stage stirring device B, and the second-stage stirring device B is communicated with a filling port; the production line of the dry tail sand and the concentrated tail sand slurry comprises a dry tail sand treatment device and a first cementing material treatment device, wherein the dry tail sand treatment device and the first cementing material treatment device are communicated with a first-stage stirring device, the first-stage stirring device and a deep cone thickener are communicated with a second-stage stirring device A, and the second-stage stirring device A is communicated with a filling port. The utility model discloses set up dry tail sand and unite concentrated tail sand thick liquid production line, make thick liquid add dry tail sand in the concentration of deep cone thickener, improved the concentration that the thick liquid was made in the concentration of deep cone thickener on the one hand, make after filling the cementitious slurry and reach the filling area, filling strength further improves; on the other hand, the problem of large water consumption for cementing the dry tail sand is solved.

Description

Full-automatic production line for high-concentration cemented filling combining dry tail sand and concentrated tail sand slurry

Technical Field

The utility model relates to a fill technical field, especially relate to dry tail sand and concentrated tail sand thick liquid joint high concentration cemented filling full-automatic production line.

Background

Mining is the premise of mineral resource development and utilization, but mining industry provides raw materials for human beings, and brings negative effects such as resource loss, surface subsidence, waste discharge and the like. The single dry tailing cemented filling or the single wet tailing cemented filling is not enough, the concentration of tailing slurry obtained when a deep cone thickener is singly used for concentrating and making slurry is not high, the hardening period is long when the tailing slurry is used for underground filling, the strength of the formed filling body is low, and the requirement of underground filling mining cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, a full-automatic production line combining dry tail sand and concentrated tail sand pulp with high-concentration cemented filling is provided, so that the problems provided in the background art are solved. The utility model discloses set up dry tail sand and unite concentrated tail sand thick liquid production line, the thick liquid concentration is made in the concentration of dark cone thickener, adds dry tail sand to improve concentration, utilize the concentration of dark cone thickener to make thick liquid and also solved dry tail sand cementation water consumption, this innovation technology has improved filling concentration, has solved the controllability of concentration size, makes to fill after the cemented slurry reachs the filling district, and filling strength further improves, has reduced the displacement, thereby reduce cost has improved economic benefits.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

the full-automatic production line for the dry tail sand and the concentrated tail sand slurry combined high-concentration cemented filling comprises a dry tail sand combined concentrated tail sand slurry production line and a full tail sand slurry direct mixing production line, wherein the full tail sand slurry direct mixing production line comprises a deep cone thickener, the deep cone thickener and a second cementing material processing device are both communicated with a second-stage stirring device B, and the second-stage stirring device B is communicated with a filling port; the production line of the dry tail sand and the concentrated tail sand slurry comprises a dry tail sand treatment device and a first cementing material treatment device, wherein the dry tail sand treatment device and the first cementing material treatment device are communicated with a first-stage stirring device, the first-stage stirring device and a deep cone thickener are communicated with a second-stage stirring device A, and the second-stage stirring device A is communicated with a filling port.

As a further technical solution of the present invention: the dry tail sand processing device comprises a feeding breaking and supplying mechanism, a first variable-frequency speed-regulating feeding mechanism, a double-layer screening scattering mechanism and a second variable-frequency speed-regulating feeding mechanism which are sequentially connected.

As a further technical solution of the present invention: the broken confession mechanism of material loading is including installing the hopper on the support frame, sets up the diversified stirring tripper that is used for stirring, broken arch with and conveys in the hopper, and the diversified stirring tripper of stirring is rotated by tripper driving piece drive, and the discharge opening is seted up to the hopper lower part, installs the discharge valve on the discharge opening, and the discharge opening below sets up the conveyer belt, will do the tail sand through the conveyer belt and transport to a variable frequency speed governing batcher.

As a further technical solution of the present invention: the double-layer screening and scattering mechanism comprises a roller, a finished tailing metering hopper is arranged below the roller, a variable-frequency metering belt conveyor is arranged at the outlet end of the finished tailing metering hopper, a waste hopper is arranged below the tail end of the roller, and a waste groove type belt conveyor is arranged below an opening of the waste hopper; the roller comprises a blockage-free tail sand scattering piece and a double-layer rolling scattering screening piece, the blockage-free tail sand scattering piece is a layer of round steel stirring screen, the double-layer rolling scattering screening piece is a two-layer standard screen, the one-layer round steel stirring screen is welded and fixed on the roller frame, the two-layer standard screen is sleeved outside the one-layer round steel stirring screen and is clamped and fixed on the roller frame through a clamp, and the roller is driven to rotate by a roller driving piece.

As a further technical solution of the present invention: the first gelled material processing device and the second gelled material processing device are identical in structure and respectively comprise a powder bin, a gate valve is arranged on the lower portion of the powder bin, a steady flow feeding machine is arranged below the gate valve and communicated with a screw machine arranged below the steady flow feeding machine, the screw machine is communicated with a micro powder scale arranged on one side of the screw machine, and the micro powder scale is communicated with the one-level stirring device.

As a further technical solution of the present invention: the primary stirring device is a spiral belt and blade combined horizontal double-shaft multi-angular shearing continuous stirrer.

As a further technical solution of the present invention: the second-stage stirring device A and the second-stage stirring device B are vertical multi-angle shearing high-concentration stirring machines.

As a further technical solution of the present invention: the deep cone thickener comprises an inverted cone barrel arranged on the frame, wherein an agitating mechanism is arranged in the inverted cone barrel, the agitating mechanism is driven to rotate by a driving motor and a transmission mechanism, a feeding groove is arranged on the upper portion of the inverted cone barrel, and a slurry inlet and a pesticide inlet are formed in the upper portion of the feeding groove.

As a further technical solution of the present invention: and tail sand which is concentrated and slurried by the deep cone thickener enters a secondary stirring device B together with metering water through an underflow pump, a concentration meter and a flow meter to be mixed.

As a further technical solution of the present invention: the dry tail sand combined concentrated tail sand slurry production line and the full tail sand slurry direct mixing production line are both connected with a production water supply system, and the production water supply system supplies water for a first-stage stirring device, a second-stage stirring device A and a second-stage stirring device B.

The utility model has the advantages that:

the utility model discloses set up dry tail sand and unite concentrated tail sand thick liquid production line, solve the lower problem of thick liquid concentration is made in the concentration of deep cone thickener. Dry tailings are added into the concentrated slurry making of the deep cone thickener, so that on one hand, the concentration of the concentrated slurry making of the deep cone thickener is improved, and the filling strength is further improved after the filling cementing slurry reaches a filling area; on the other hand, the problem of large water consumption for dry tail sand cementation is solved, the water consumption is saved, the concentration is controllable, the cost is reduced, and the economic benefit is improved. The direct mixing production line of full tail mortar is arranged, and two lines can be used in a single line or double lines, so that the production efficiency is improved.

The utility model discloses a professional innovation complete sets that one set of concentration nature is strong, and every hour filling ability is the pulping production line that fills of 20-500 cubes, at the actual in-process that fills, and control concentration is 60% ~78%, according to the demand that fills, can adjust the size of filling volume and the concentration of filling the material at any time.

The utility model discloses the reliability is high, the centralization, the comprehensiveness is strong, powerful, and easy operation, degree of automation is high, the technology is advanced, and is perfect, and is technical strong, and the specialty is high, synthesized storage, transport, the pump sending, the measurement, the stirring, the liquid pump, the pipeline, mechanical equipment such as gas circuit, control flap, monitoring measurement instrument and meter, automated control system, the characteristic of collection dispersion equipment high performance such as application software, the professional is strong, break through the innovation, strive for the perfection, create the specialization filling the trade, the complete set, the blank has been filled abroad at home and abroad, important achievement has been made for filling the technique.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the main structure of the feeding breaking and supplying mechanism;

FIG. 3 is a schematic view of the main structure of the double-deck sieving and scattering mechanism;

FIG. 4 is a schematic view of the main structure of a first cement processing apparatus;

FIG. 5 is a schematic view of the main structure of the lower part of the first gelled material treatment device;

fig. 6 is a schematic view of the main structure of the deep cone thickener.

In the figure: 1-dry tailing-sand combined concentrated tailing-sand-slurry production line, 2-full tailing-sand direct mixing production line, 3-deep cone thickener, 31-frame, 32-inverted cone, 33-stirring mechanism, 34-feeding tank, 35-slurry inlet, 36-medicine inlet, 4-second gelled material processing device, 5-second-stage stirring device B, 6-filling port, 7-dry tailing-sand processing device, 8-first gelled material processing device, 81-powder bin, 82-gate valve, 83-feeder steady flow, 84-screw machine, 85-micro-powder scale, 9-first-stage stirring device, 10-second-stage stirring device A, 11-feeding crushing and supplying mechanism, 111-support frame, 112-hopper, 113-multi-azimuth stirring discharger, 114-a discharger driving part, 115-a discharge port, 116-a discharge valve, 117-a conveyor belt, 12-a first variable-frequency speed-regulating feeding mechanism, 13-a double-layer screening and scattering mechanism, 131-a roller, 132-a finished product tailing metering hopper, 133-a variable-frequency metering belt conveyor, 134-a waste hopper, 135-a waste trough belt conveyor, 136-a non-blocking tailing scattering piece, 137-a double-layer rolling and scattering and screening piece, 138-a roller driving part, 14-a second variable-frequency speed-regulating feeding mechanism, 15-a concentration meter, 16-a flow meter and 17-a production water supply system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the full-automatic production line for high-concentration cemented filling combining dry tail sand and concentrated tail sand slurry comprises a production line 1 for combining dry tail sand with concentrated tail sand slurry and a direct mixing production line 2 for mixing full tail sand slurry, wherein the direct mixing production line 2 for mixing full tail sand slurry comprises a deep cone thickener 3, the deep cone thickener 3 and a second cementing material processing device 4 are both communicated with a second-stage stirring device B5, and the second-stage stirring device B5 is communicated with a filling port 6.

Referring to fig. 1 and 6, the deep cone thickener 3 includes an inverted cone cylinder 32 disposed on the frame 31, an agitating mechanism 33 is disposed in the inverted cone cylinder 32, the agitating mechanism 33 is driven to rotate by a driving motor and a transmission mechanism, a feeding chute 34 is disposed on the upper portion of the inverted cone cylinder 32, and a slurry inlet 35 and a chemical inlet 36 are disposed above the feeding chute 34. The flocculating agent dosing device is communicated with the agent inlet 36, and the flowing flocculating agent is mixed with the mortar. The tail sand concentrated and pulped by the deep cone thickener 3 enters a secondary stirring device B5 together with the tail sand slurry and the metering water through an underflow pump, a concentration meter 15 and a flowmeter 16 to be mixed. The second gelled material processing device 4 and the first gelled material processing device 8 are identical in structure, gelled materials metered by the second gelled material processing device 4 enter the second-stage stirring device B5 together for stirring, and stirred slurry enters the filling opening 6 for filling.

Referring to fig. 1, the dry tail sand combined concentration tail sand slurry production line 1 comprises a dry tail sand treatment device 7 and a first cementing material treatment device 8, wherein the dry tail sand treatment device 7 and the first cementing material treatment device 8 are both communicated with a first-stage stirring device 9, the first-stage stirring device 9 and a deep cone thickener 3 are both communicated with a second-stage stirring device A10, and a second-stage stirring device A10 is communicated with a filling port 6.

Referring to fig. 1 and 2, the dry tail sand processing device 7 comprises a feeding breaking and supplying mechanism 11, a first variable-frequency speed-regulating feeding mechanism 12, a double-layer screening scattering mechanism 13 and a second variable-frequency speed-regulating feeding mechanism 14 which are sequentially connected. The broken confession mechanism 11 of material loading is including installing hopper 112 on support frame 111, sets up in the hopper 112 and is used for stirring, broken encircle with and the diversified stirring tripper 113 of conveying, diversified stirring tripper 113 is rotated by the drive of tripper driving piece 114, and discharge opening 115 is seted up to hopper 112 lower part, installs discharge valve 116 on the discharge opening 115, and discharge opening 115 below sets up conveyer belt 117, transports dry tail sand to first variable frequency speed governing batcher 12 through conveyer belt 117.

The tail sand contains large-particle-size stone chips, braided fabrics, tree roots, weeds, wood, iron and other different impurities or filter-pressed tail sand clustered blocks, and the tail sand is primarily separated through a vibrating grid sieve before entering the feeding crushing and supplying mechanism 11. The feeding breaking and supplying mechanism 11 is provided with a multidirectional stirring discharger 113, stirring forced blanking is carried out, forced arch breaking is carried out, smooth blanking of viscous bulk filter pressing tail sand is guaranteed, dry tail sand falls into a conveyor belt 117 through a discharge opening 115, the dry tail sand is conveyed to a first variable-frequency speed-regulating feeder 12 through the conveyor belt 117, and the dry tail sand is conveyed to a double-layer screening breaking mechanism 13 by the first variable-frequency speed-regulating feeder 12.

Referring to fig. 1 and 3, the double-layer screening and scattering mechanism 13 includes a roller 131, a finished tailing metering hopper 132 is disposed below the roller 131, a variable-frequency metering belt conveyor 133 is disposed at an outlet end of the finished tailing metering hopper 132, a waste hopper 134 is disposed below a tail end of the roller 131, and a waste groove type belt conveyor 135 is disposed below an opening of the waste hopper 134; the roller 131 comprises a non-blocking tailing sand scattering piece 136 and a double-layer rolling scattering screening piece 137, the non-blocking tailing sand scattering piece 136 is a layer of round steel stirring screen, the double-layer rolling scattering screening piece 137 is a two-layer standard screen, the layer of round steel stirring screen is welded and fixed on the roller frame, the two-layer standard screen is sleeved outside the layer of round steel stirring screen and is clamped and fixed on the roller frame through a hoop, and the roller 131 is driven to rotate by a roller driving piece 138.

The primarily scattered tail sand is transmitted to the non-blocking tail sand scattering piece 136 through the first variable-frequency speed-regulating feeder 12, the feeding is uniform, the size is adjustable, and the non-blocking tail sand scattering piece has a good scattering effect and is not blocked. The non-blocking tailing scattering member 136 again scatters and scatters the tailing, and then the double-layer rolling scattering screening member 137 performs secondary screening and scattering. The tailings such as primary impurities which do not meet the production requirement are screened out and enter a waste trough type belt conveyor 135 through a waste hopper 134 to be conveyed away. Qualified tailings fall into a finished product tailings metering hopper 132, and are quantitatively fed by a variable-frequency metering belt conveyor 133.

Referring to fig. 4 and 5, the first gelled material processing device 8 and the second gelled material processing device 4 have the same structure and respectively comprise a powder bin 81, a gate valve 82 is arranged at the lower part of the powder bin 81, a steady flow feeder 83 is arranged below the gate valve 82, the steady flow feeder 83 is communicated with a screw machine 84 arranged below the steady flow feeder 83, the screw machine 84 is communicated with a micro powder scale 85 arranged on one side of the screw machine, and the micro powder scale 85 is communicated with the primary stirring device 9. The gelled material is conveyed to a screw machine 84 through a gate valve 82 and a steady flow feeder 83, and the screw machine 84 conveys the gelled material to a micro powder scale 85.

The lower part of the powder bin 81 adopts a large-opening bidirectional gate valve 82, and the device is provided with air blowing arch breaking or vibration arch breaking simultaneously, so that smooth powder blanking and smooth blanking are ensured, and a proper blanking opening of the powder bin 81 is configured to reduce the filling phenomenon.

Meanwhile, the steady flow feeder 83 adopts double-frequency conversion and frequency conversion speed regulation feeding, the first level adopts frequency conversion GLJ micro powder rigid impeller feeding steady flow locking material, the second level adopts AY-LSJ (Y) synchronous frequency conversion screw feeder, further steady flow and speed regulation feeding is carried out, powder keeps constant speed and constant feeding, and therefore the metering precision is improved. The processing mode of processing treatment after assembly welding and boring of the inner cavity is adopted, the rotation is smooth, the clamping is not damaged, different sealing structures can be adopted according to different fluid characteristics of the powder, the functions of flow stabilization, material locking and material arching prevention are realized, and the continuous and uniform unloading and conveying of the blanking machine can be ensured; the double-impeller feeding is adopted for large flow, and the material stability is better.

The micro-powder scale 85 is a complete set of equipment integrating the quantitative feeding, metering, conveying and controlling of the gelled materials and integrating the machinery and the electronics, and the micro-powder scale 85 comprises a spiral metering weighing system, a spiral conveying system, an automatic metering control system and the like, and is widely applied to the continuous metering and batching control links of various powder materials such as cement, cemented powder, fly ash, mineral powder, lime and the like. The metering device adopts constant-speed metering, the overall structure of the metering device is reasonably designed, the sensor adopts a high-precision sensor, the fulcrum structure is sensitive in response and has a strong adaptive range, the hanging point position is accurately designed, the impact force of powder is at a zero position, the impact force is ignored, the sensor hanging device adopts a knuckle bearing hanging mode, the response is sensitive, the zero restoration is good, the metering is stable and reliable, and the metering precision is high; the powder material metering is more accurate, stable and reliable; the control system adopts an AYCT-2000 series instrument developed by high-precision Olympic, the double-frequency-conversion variable-frequency speed regulation stably feeds materials, the constant-speed metering is realized, and the metering precision is greatly improved compared with the traditional metering, so that the metering precision and the stability of powder are realized.

Referring to fig. 1, the gelled material measured by the first gelled material treatment device 8, the dry tail sand measured by the dry tail sand treatment device 7, and the good water from the production water supply system enter a primary stirring device 9 at the same time, and the primary stirring device 9 is a horizontal double-shaft multi-angular shearing continuous stirrer with a spiral belt and blades combined.

The spiral belt and blade combined horizontal double-shaft multi-angular shearing continuous stirring machine is uniformly provided with a plurality of spiral belt blades and blade stirring devices on a stirring shaft, a stirring arm is arranged on the stirring shaft, and the stirring spiral belt blades and blades are fixed on the stirring arm. The pushing and stirring of the spiral belt and the multi-directional and multi-angular shearing and stirring of the blades are adopted, the blades of the outer spiral belt are pushed forwards, the blades of the inner stirring belt are pushed in a multi-angular shearing mode, and the stirring time of the filling materials in the stirrer is prolonged. The combined stirring device makes the mixed materials fully, carries out multi-directional and multi-angular forced shearing, lifting, kneading, scattering, crushing and powerful continuous shearing on the mixed materials, and stirs the mixed slurry suitable for higher concentration.

According to the structure and shape of the material changing stirring device, the phase and speed relation of the relative movement is selected to ensure that the pushing stirring of the spiral belt and the stirring of the blades do not interfere with each other, the blades of the double-shaft spiral belt and the outer stirring blades do synchronous cross motion to carry out multi-directional and multi-angular forced shearing, lifting, kneading, scattering, crushing, powerful continuous shearing, mixing and backflow re-stirring, complete complex activation and the best effect of uniform stirring, and the stirring is suitable for uniform stirring of mixed slurry, paste mixed material and coarse aggregate with higher concentration to ensure that the mixed material is forcibly activated.

The tank body is formed by assembling and welding steel plates and channel steel, the stirring spiral blade or the blade is made of various alloys such as manganese, chromium, nickel and the like through casting, the stirring blade is made of 35CrMOA structural alloy steel, the stirring main shaft is made of No. 45 steel and 152 hollow thick-wall pipes through assembly welding, quenching and tempering heat treatment is performed, and the stirring bearing is uniformly made of a bearing of a genuine product in a tile house shop. The power configuration adopts a novel speed reducer R137-17-37 KW/4P; motor YVP225S-4-37 KW; the buffer wear-resistant rubber rod coupler is used for transmission, the double shafts rotate in a coupling mode through synchronous gears, the gear box adopts a box-type shield, and the gear box is filled with gear oil for one time for lubrication and does not need to be filled with oil every day.

The first-stage stirring device 9 and the deep cone thickener 3 are communicated with a second-stage stirring device A10, after the first-stage stirring is completed, the material of the first-stage stirring device 9 enters a second-stage stirring device A10, and the thickened and slurried tailings in the deep cone thickener 3 enter a second-stage stirring device A10. The secondary stirring device A10 and the secondary stirring device B5 are multi-angle shearing high-concentration vertical stirrers.

The high-concentration vertical stirring machine with the multi-angle shearing function is provided with the stirring shaft, the upper end of the stirring shaft is connected with a transmission bearing seat, and the transmission shaft is connected with the main stirring shaft through a coupler, so that the maintenance and the replacement are convenient, and the cost of replacing parts is reduced. The stirring blade or the stirring impeller is cast by adopting wear-resistant alloy, the wear-resistant degree is high, the service life is long, the sleeve and the stirring shaft are fixed by adopting a cross-shaped penetrating pin, the installation is stable and reliable, and the time and the labor are saved during the replacement.

The structure of the constant material level discharging device adopts a siphon structure, the constant material level discharging device comprises a manganese wear-resistant vertical pipe beside a main stirring cylinder, a liquid material level meter can be arranged on the upper part of the manganese wear-resistant vertical pipe, a rectangular pipeline on the lower part adopts the siphon structure, a slurry valve is arranged on a horizontal pipe on the bottom of the manganese wear-resistant vertical pipe, the valve is closed during actual work, slurry flows out of a constant material level pipeline and flows into a filling port 6 through a flow meter and a concentration meter, after the work is finished, the valve can be opened to clean a stirrer and a pipeline, the upper part of a stirring main cylinder body is communicated with the constant material level vertical pipe through a flange, overflow slurry directly enters a siphon pipeline in the constant material level of the pipeline on the upper part of the constant material level, the position of the siphon pipeline is lower than the slurry stirring liquid level of the stirrer, the whole pipeline is ensured to have no air entering, the pipeline is fully conveyed, the flow rate of the slurry flowing by gravity is increased, the abrasion of the slurry to the pipeline is reduced, the service life of the filling pipeline, and the frequency of replacing the pipeline is reduced, thereby improving economic benefits.

The dry tail sand combined concentrated tail mortar production line 1 and the full tail mortar direct mixing production line 2 are both connected with a production water supply system 17, and the production water supply system 17 supplies water for a first-stage stirring device 9, a second-stage stirring device A10 and a second-stage stirring device B5.

The utility model discloses specific embodiment:

example one

Dry tailings are primarily scattered through a feeding broken supply mechanism 11, a first variable-frequency speed-regulating feeder 12 is conveyed to a double-layer screening scattering mechanism 13 to be screened and scattered again, primary impurities and the like which do not meet production requirements are screened out and conveyed away through a waste hopper 134 into a waste trough type belt conveyor 135, qualified tailings fall into a finished product tailings metering hopper 132 to be quantitatively fed through a variable-frequency metering belt conveyor 133, and the metered dry tailings are conveyed to a one-level stirring device 9 through a second variable-frequency speed-regulating feeding mechanism 14.

Meanwhile, the gelled material passes through a powder bin 81, is transmitted to a screw machine 84 through a gate valve 82 and a steady flow feeder 83, the screw machine 84 transmits the gelled material to a micro powder scale 85, and the metered gelled material is transmitted to a first-stage stirring device 9. After the first-stage stirring is completed, the material of the first-stage stirring device 9 enters a second-stage stirring device A10, and the concentrated and slurried tailings in the deep cone thickener 3 enter a second-stage stirring device A10. After the first-stage stirring is finished, the material enters the filling port through the filling pipeline.

When dry tailings are cemented and filled, the full-tailings slurry direct mixing production line 2 can be opened according to actual requirements, the tailings slurry concentrated by the deep cone thickener 3 enters the second-stage stirring device B through the regulating valve, the flowmeter and the concentration meter, the cementing materials metered by the second cementing material processing device 4 enter the second-stage stirring device B together for mixing, and the mixed slurry enters the filling port 6 for filling.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The full-automatic production line of high concentration cemented filling is united with concentrated tail sand thick liquid to dry tail sand, its characterized in that: the dry tail sand combined concentrated tail sand slurry production line (1) and a full tail sand slurry direct mixing production line (2) are included, the full tail sand slurry direct mixing production line (2) comprises a deep cone thickener (3), the deep cone thickener (3) and a second cementing material processing device (4) are communicated with a second-stage stirring device B (5), and the second-stage stirring device B (5) is communicated with a filling port (6); dry tail sand and concentrated tail sand thick liquid production line (1) are including doing tail sand processing apparatus (7) and first gelled material processing apparatus (8), do tail sand processing apparatus (7) and first gelled material processing apparatus (8) all with one-level agitating unit (9) intercommunication, one-level agitating unit (9) and deep cone thickener (3) all with second grade agitating unit A (10) intercommunication, second grade agitating unit A (10) and filling opening (6) intercommunication.

2. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 1, characterized in that: the dry tail sand treatment device (7) comprises a feeding breaking and supplying mechanism (11), a first variable-frequency speed-regulating feeding mechanism (12), a double-layer screening scattering mechanism (13) and a second variable-frequency speed-regulating feeding mechanism (14) which are sequentially connected.

3. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 2, characterized in that: the broken confession mechanism of material loading (11) includes support frame (111) and installs hopper (112) on support frame (111), set up in hopper (112) and be used for stirring, broken encircle with diversified stirring tripper (113) that convey, stirring diversified stirring tripper (113) are rotated by tripper driving piece (114) drive, discharge opening (115) are seted up to hopper (112) lower part, install discharge valve (116) on discharge opening (115), discharge opening (115) below sets up conveyer belt (117), will do the tail sand and transport to first variable frequency speed governing feed mechanism (12) through conveyer belt (117).

4. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 2, characterized in that: the double-layer screening and scattering mechanism (13) comprises a roller (131), a finished product tailing metering hopper (132) is arranged below the roller (131), a variable-frequency metering belt conveyor (133) is arranged at the outlet end of the finished product tailing metering hopper (132), a waste hopper (134) is arranged below the tail end of the roller (131), and a waste groove type belt conveyor (135) is arranged below an opening of the waste hopper (134); the roller (131) comprises a blockage-free tailing scattering piece (136) and a double-layer rolling scattering and separating screening piece (137), the blockage-free tailing scattering piece (136) is a layer of round steel stirring screen, the double-layer rolling scattering and separating screening piece (137) is a two-layer standard screen, the layer of round steel stirring screen is welded and fixed on the roller frame, the two layers of standard screens are sleeved outside the layer of round steel stirring screen and clamped on the roller frame through a hoop, and the roller (131) is driven to rotate by a roller driving piece (138).

5. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 1, characterized in that: the first gelled material processing device (8) and the second gelled material processing device (4) are identical in structure and respectively comprise a powder bin (81), a gate valve (82) is arranged on the lower portion of the powder bin (81), a steady flow feeder (83) is arranged below the gate valve (82), the steady flow feeder (83) is communicated with a screw machine (84) arranged below the steady flow feeder, the screw machine (84) is communicated with a micro powder scale (85) arranged on one side of the screw machine, and the micro powder scale (85) is communicated with a one-level stirring device (9).

6. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 1, characterized in that: the primary stirring device (9) is a spiral belt and blade combined horizontal double-shaft multi-angular shearing continuous stirrer.

7. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 1, characterized in that: the secondary stirring device A (10) and the secondary stirring device B (5) are polygonal shearing high-concentration vertical mixers.

8. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 1, characterized in that: the deep cone thickener (3) comprises an inverted cone cylinder body (32) arranged on a frame (31), wherein a stirring mechanism (33) is arranged in the inverted cone cylinder body (32), the stirring mechanism (33) is driven to rotate by a driving motor and a transmission mechanism, a feeding groove (34) is arranged on the upper part of the inverted cone cylinder body (32), and a slurry inlet (35) and a medicine inlet (36) are arranged above the feeding groove (34).

9. The full-automatic production line of dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 8, characterized in that: and tail sand which is concentrated and slurried by the deep cone thickener (3) enters a secondary stirring device B (5) together with metering water through an underflow pump, a concentration meter (15) and a flow meter (16) to be mixed.

10. The full-automatic production line for dry tail sand and concentrated tail sand pulp combined high-concentration cemented filling according to claim 1, characterized in that: dry tail sand is concentrated tail sand thick liquid production line (1) and the direct mix production line of full tail sand thick liquid (2) all are connected with production water supply system (17), and production water supply system (17) are one-level agitating unit (9), second grade agitating unit A (10) and second grade agitating unit B (5) water supply.