CN208252153U - Tailings reconstruction slurry filling system - Google Patents

Tailings reconstruction slurry filling system Download PDF

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Publication number
CN208252153U
CN208252153U CN201820771834.6U CN201820771834U CN208252153U CN 208252153 U CN208252153 U CN 208252153U CN 201820771834 U CN201820771834 U CN 201820771834U CN 208252153 U CN208252153 U CN 208252153U
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tailings
filter cake
slurry
filling
sand
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CN201820771834.6U
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康瑞海
王旭
彭亮
江科
仵锋锋
李鑫
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Changsha Institute of Mining Research Co Ltd
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Changsha Institute of Mining Research Co Ltd
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Abstract

The utility model provides a kind of tailings reconstruction slurry filling system, including the transport vehicles for the high concentration tailings filter cake that dressing plant generates and filters pressing is formed to be transported to Filling Station, for concentrating storage high concentration tailings filter cake and by high pressure water impact and diluting high-concentration tailings filter cake to form the filter cake storage silo that last mortar flows output, last mortar for exporting filter cake storage silo is filtered and stirs to get the tailings of the last mortar of steady concentration and pulp making device and is used to reproduce tailings the last mortar of steady concentration of sizing device output again and prepares to form filling slurry and export to carry out the filling slurry preparation facilities of goaf filling.Filter cake storage silo is broken up high concentration tailings filter cake by high pressure water, and tailings and water mixed diluting is made to obtain last mortar.Pulp making device is filtered and is stirred by the last mortar exported to filter cake storage silo tailings again, is removed the coarse granule sundries in last mortar and is uniformly mixed tailings with water, obtains the last mortar of steady concentration.

Description

Tailings reconstruction slurry filling system
Technical field
The utility model relates to goaf filling technical fields, particularly, are related to a kind of tailings reconstruction slurry filling system.
Background technique
Filling process is main at present are as follows: the tailings that the concentration by dressing plant's output is 20% or so is delivered to Filling Station sand Storehouse deposition dehydrating, pulping of calming the anger, after in sand warehouse pulp density stablize after put sand, by setting cement-sand ratio and concentration add cement and Water supplement flows automatically after slurry is agitated or is pumped to underground goaf.
Usual dressing plant with Filling Station relatively far apart, height difference it is larger, pumping is difficult to meet tailings conveying requirement.And dressing plant It sometimes will appear the inadequate situation in tailings sand source, lead to not carry out goaf filling.
Utility model content
The utility model provides a kind of tailings reconstruction slurry filling system, to solve tailings conveying inconvenience and tailings sand source not Enough lead to not the problem of carrying out goaf filling.
The technical solution adopted in the utility model is as follows:
A kind of tailings reconstruction slurry filling system, including for dressing plant to be generated the high concentration tailings filter cake that simultaneously filters pressing is formed It is transported to the transport vehicles of Filling Station, for concentrating storage high concentration tailings filter cake and by high pressure water impact and diluting high-concentration Tailings filter cake is filtered with forming filter cake storage silo, the last mortar for exporting filter cake storage silo that last mortar flowing exports With the tailings of the last mortar for stirring to get steady concentration pulp making device and for by the stabilization of tailings reconstruction sizing device output again The last mortar of concentration prepares to form filling slurry and export to carry out the filling slurry preparation facilities of goaf filling.
Further, filter cake storage silo bottom is equipped with the control valve for controlling the opening and closing of filter cake storage silo bottom discharge port And high pressure water impact and diluted giant are carried out for the high concentration tailings filter cake to the discharge port output after unlatching.
Further, pulp making device includes being connected to the output end in filter cake storage silo for filter cake storage silo is defeated to tailings again In last mortar out coarse granule filtering foreign removal rotary screen, connection rotary screen output end for stir last mortar with It obtains the last mortar of steady concentration and the agitator for preventing tailings from depositing and connection is used in the output end of agitator by tailings Slurry is pumped to the Pulp pump of filling slurry preparation facilities.
Further, filling slurry preparation facilities includes being connected to output end in Pulp pump to make for deposition dehydrating and calming the anger The sand warehouse of slurry, the cement bin for storing cement, connection are used to measure and control cement bin output in the output end of cement bin Cement and the output for carrying out the weighing spiral feeder of cement transportation, the output end and weighing spiral feeder that are respectively communicated with sand warehouse End is used for while accepting quantitative last mortar and quantitative cement and is tentatively stirred to last mortar and cement progress to obtain The blender of filling slurry and connection are stirred in the activation that the output end of blender is used to carry out filling slurry activation stirring Machine.
Further, weighing spiral feeder include for convey cement and control conveying speed screw(-type) feeder and Helix balance for being measured to the cement of conveying;Helix balance be equipped with the weight change for cement on inductive spiral scale with into The sensor of row metering, screw(-type) feeder are equipped with for controlling screw(-type) feeder running frequency according to the variation of sensor element Variable-frequency motor;The feed opening of screw(-type) feeder and the feed inlet of helix balance use and are flexible coupling.
Further, blender include stirred tank, through stirred tank agitating shaft, be arranged on agitating shaft for stirring tail The stirring blade of mortar and cement, the motor for driving stirring blade to rotate and setting are used between motor and agitating shaft The matched retarder of revolving speed between motor and agitating shaft;Multiple auxiliary blades, the court of adjacent auxiliary blade are additionally provided on agitating shaft To opposite.
Further, activation blender include agitator tank, through agitator tank stirring rod, be arranged on stirring rod for living Change the stirring rotator of mixing and filling slurry and connect the driving motor for driving stirring rotator to rotate with stirring rod;Stirring turns Attached bag includes and the rotor disk of stirring rod connection and is arranged on rotor disk and the axial parallel rotor shaft of stirring rod.
Further, sand warehouse is set as two, and two sand warehouses alternately into sand and put sand.
Further, be equipped between Pulp pump and sand warehouse for detect into sand concentration into sand densimeter and for detect into Sand flow amount into sand flow meter;And/or be equipped between sand warehouse and blender for detect put sand concentration put sand densimeter and use Sand flow meter is put in what sand flow amount was put in detection.
Further, agitator and/or sand warehouse are equipped with the level-sensing device for detecting liquid level.
Further, sand warehouse is equipped with the automatic SUPPLEMENTARY UNLOADING GRAIN of high pressure water for cleaning sand warehouse.
The utility model has the following beneficial effects:
Tailings provided by the utility model reconstruction slurry filling system, including transport vehicles, filter cake storage silo, tailings pulping again Device and filling slurry preparation facilities.Transport vehicles can by high concentration tailings filter cake that dressing plant's filters pressing is formed and from other The high concentration tailings filter cake of dressing plant's outsourcing is transported to the Filling Station for needing tailings sand source, can satisfy Filling Station filling tail The demand in sand sand source.High concentration tailings filter cake is transported using transport vehicles, farther distance, the limitation of transport can be transported to It is small and more economical and practical compared with other mode of movement.The high concentration tailings filter cake that filter cake storage silo can transport transport vehicles Concentration storage is carried out, guarantees also have tailings can be used when tailings sand source is less, and can adding to the high concentration tailings filter cake of output Dosage is controlled, and then controls the proportion and concentration of filling slurry, guarantees filling quality and filling effect, and it is strong to improve obturation Degree.Filter cake storage silo is broken up high concentration tailings filter cake by high pressure water, and tailings and water mixed diluting is made to obtain last mortar.Tail Pulp making device is filtered and is stirred by the last mortar exported to filter cake storage silo sand again, and the coarse granule removed in last mortar is miscellaneous Object is simultaneously uniformly mixed tailings with water, obtains the last mortar of steady concentration.Filling slurry preparation facilities can be by the tail of steady concentration Mortar is prepared into filling slurry, and filling slurry provides filling material for goaf filling, guarantees going on smoothly for goaf filling.This The tailings reconstruction slurry filling system that utility model proposes provides a kind of practicable reconstruction slurry mode, and obtains in production Using the scope of application is wider, and applicable region is wider.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model Point.Below with reference to accompanying drawings, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing In:
Fig. 1 is that high concentration tailings filter cake is transported to filter cake storage storage by the transport vehicles of the preferred embodiment in the utility model The schematic diagram deposited;
Fig. 2 is that the filter cake storage silo of the preferred embodiment in the utility model and tailings reproduce sizing device for high concentration tailings filter cake Form the schematic diagram of last mortar;
Fig. 3 is that last mortar is prepared into showing for filling slurry by the filling slurry preparation facilities of the preferred embodiment in the utility model It is intended to;
Fig. 4 is the schematic diagram of the weighing spiral feeder of the preferred embodiment in the utility model;
Fig. 5 is the schematic diagram of the screw(-type) feeder of the preferred embodiment in the utility model;
Fig. 6 is one of schematic diagram of blender of the preferred embodiment in the utility model;
Fig. 7 is the two of the schematic diagram of the blender of the preferred embodiment in the utility model;
Fig. 8 is the three of the schematic diagram of the blender of the preferred embodiment in the utility model;
Fig. 9 is one of the schematic diagram of the activation blender of the preferred embodiment in the utility model;
Figure 10 is the two of the schematic diagram of the activation blender of the preferred embodiment in the utility model.
Description of symbols:
1, high concentration tailings filter cake;2, transport vehicles;3, filter cake storage silo;31, discharge port;32, control valve;33, high Press hydraulic giant;34, chute;4, tailings pulp making device again;41, rotary screen;42, agitator;43, Pulp pump;44, into sand densimeter; 45, into sand flow meter;5, filling slurry preparation facilities;51, sand warehouse;511, the automatic SUPPLEMENTARY UNLOADING GRAIN of high pressure water;52, cement bin;53, Weighing spiral feeder;531, screw(-type) feeder;5311, variable-frequency motor;5312, feed opening;5313, rotating bar;5314, continuous Impeller;532, helix balance;5321, sensor;5322, feed inlet;54, blender;541, stirred tank;542, agitating shaft;543, Stirring blade;544, motor;545, retarder;546, auxiliary blade;55, blender is activated;551, agitator tank;552, it stirs Bar;553, stirring rotator;554, driving motor;555, rotor disk;556, rotor shaft;56, sand densimeter is put;57, sand flow amount is put Meter;6, level-sensing device.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is that high concentration tailings filter cake is transported to filter cake storage storage by the transport vehicles of the preferred embodiment in the utility model The schematic diagram deposited;Fig. 2 is that the filter cake storage silo of the preferred embodiment in the utility model and tailings reproduce sizing device for high concentration tailings The schematic diagram of filter cake formation last mortar;Fig. 3 is the filling slurry preparation facilities of the preferred embodiment in the utility model by last mortar system The standby schematic diagram at filling slurry;Fig. 4 is the schematic diagram of the weighing spiral feeder of the preferred embodiment in the utility model;Fig. 5 is The schematic diagram of the screw(-type) feeder of the preferred embodiment in the utility model;Fig. 6 is the blender of the preferred embodiment in the utility model One of schematic diagram;Fig. 7 is the two of the schematic diagram of the blender of the preferred embodiment in the utility model;Fig. 8 is that the utility model is preferred The three of the schematic diagram of the blender of embodiment;Fig. 9 is one of the schematic diagram of the activation blender of the preferred embodiment in the utility model; Figure 10 is the two of the schematic diagram of the activation blender of the preferred embodiment in the utility model.
As shown in Figure 1, Figure 2 and Figure 3, the tailings reconstruction slurry filling system of the present embodiment, including for generating dressing plant And the high concentration tailings filter cake 1 that filters pressing is formed is transported to the transport vehicles 2 of Filling Station, for concentrating storage high concentration tailings filter cake 1 and by high pressure water impact and diluting high-concentration tailings filter cake 1 to form the filter cake storage silo 3 of last mortar flowing output, be used for The tailings that the last mortar that filter cake storage silo 3 exports was filtered and stirred to get the last mortar of steady concentration is reproduced into sizing device 4 And the last mortar of the steady concentration for exporting tailings reconstruction sizing device 4 prepares to form filling slurry and export to adopt The filling slurry preparation facilities 5 of Filling mine-out area.Tailings reconstruction slurry filling system provided by the utility model, including transport vehicles 2, Filter cake storage silo 3, tailings reconstruction sizing device 4 and filling slurry preparation facilities 5.Transport vehicles 2 can be formed dressing plant's filters pressing High concentration tailings filter cake 1 and be transported to from the high concentration tailings filter cake 1 of other dressing plant's outsourcings and need tailings sand source Filling Station, can satisfy the demand in Filling Station tailings sand source.High concentration tailings filter cake 1 is transported using transport vehicles 2, it can To be transported to farther distance, the limitation of transport is small, and more economical and practical compared with other mode of movement.Filter cake storage silo 3 can be with The high concentration tailings filter cake 1 that transport vehicles 2 transport is subjected to concentration storage, guarantees also have tailings can when tailings sand source is less With, and the additive amount of the high concentration tailings filter cake 1 of output can be controlled, and then control the proportion and concentration of filling slurry, Guarantee filling quality and filling effect, improves strength of filling mass.Filter cake storage silo 3 passes through high pressure water for high concentration tailings filter cake 1 It breaks up, and tailings and water mixed diluting is made to obtain last mortar.Tailings reproduces sizing device 4 and passes through the tail that exports to filter cake storage silo 3 Mortar is filtered and stirs, and removes the coarse granule sundries in last mortar and is uniformly mixed tailings with water, obtains steady concentration Last mortar.The last mortar of steady concentration can be prepared into filling slurry by filling slurry preparation facilities 5, and filling slurry is goaf Filling provides filling material, guarantees going on smoothly for goaf filling.The utility model proposes tailings reconstruction slurry filling system mention A kind of practicable reconstruction slurry mode has been supplied, and has been applied in production, the scope of application is wider, and applicable region is wider. Optionally, transport vehicles 2 are various types of automobiles, such as lorry, trailer, semitrailer.
As depicted in figs. 1 and 2, in the present embodiment, 3 bottom of filter cake storage silo is equipped with for controlling 3 bottom of filter cake storage silo The control valve 32 that discharge port 31 is opened and closed and the high concentration tailings filter cake 1 for exporting to the discharge port 31 after unlatching carry out height Press water slug and diluted giant 33.When filter cake storage silo 3 stores high concentration tailings filter cake 1, discharge port 31 is in closing State.When preparing last mortar, discharge port 31 is opened by control valve 32, high concentration tailings filter cake 1 is exported from discharge port 31, opened Giant 33 is opened, giant 33 sprays high pressure water, and high concentration tailings filter cake 1 is broken up under the percussion of high pressure water, And with water mixed diluting at last mortar.Giant 33 constant can supply water, stable impact and diluting high-concentration tailings filter cake 1.It can Selection of land, control valve 32 are electro-hydraulic gate.Optionally, chute 34 is provided with below discharge port 31, last mortar is defeated by chute 34 It send into the rotary screen 41 of tailings reconstruction sizing device 4.Optionally, 3 bottom of filter cake storage silo makes height by way of opening hatch door Concentration tailings filter cake 1 falls to chute 34, while high concentration tailings filter cake 1 of the giant 33 into chute 34 exports high pressure water High concentration tailings filter cake 1 is broken up with impact, and makes the tailings after breaing up and water along 34 downstream transport of chute.Optionally, high pressure Hydraulic giant 33 is loaded on the hatch door of 3 bottom of filter cake storage silo, opening hatch door so that high concentration tailings filter cake 1 is towards 31 direction of discharge port It falls, while the high concentration tailings filter cake 1 in giant 33 towards 31 direction of discharge port sprays high pressure water to break up high concentration tail Sand filtration cake 1, the tailings after breaing up fall chute 34 together with water and along 34 downstream transports of chute.
As shown in Fig. 2, tailings reconstruction sizing device 4 includes that connection is used in the output end of filter cake storage silo 3 in the present embodiment The rotary screen 41 of coarse granule filtering foreign removal in the last mortar that filter cake storage silo 3 is exported is connected in the defeated of rotary screen 41 Outlet is used to stir last mortar the agitator 42 to obtain the last mortar of steady concentration and prevent tailings from depositing and is connected to and stirring The output end for mixing bucket 42 is used to for last mortar being pumped to the Pulp pump 43 of filling slurry preparation facilities 5.High concentration tailings filter cake 1 exists During filters pressing production and the transport of transport vehicles 2 are unloaded to filter cake storage silo 3, it is inevitably mixed into impurity, is such as produced Rubbish, stone etc., these impurity easily cause plugging if entering filling process, form filling production accident, influence to produce.Cause This must be filtered out coarse granule sundries, the stone etc. in last mortar by rotary screen 41.42 high-speed stirred last mortar of agitator, So that the tailings in last mortar is uniformly mixed with water, tailings will not be deposited in high-speed stirred, available steady concentration Last mortar.For the concentration of last mortar generally 40% or so, the concentration of last mortar is unsuitable excessively high, excessively high, increases conveying difficulty, Increasing pump and pipeline investment;The concentration of last mortar also cannot be too low, and too low then transfer efficiency is low, uneconomical.Steady concentration Last mortar can be pumped to filling slurry preparation facilities 5 by Pulp pump 43 and carry out filling slurry preparation.
As shown in figure 3, filling slurry preparation facilities 5 includes that connection is used in the output end of Pulp pump 43 in the present embodiment Cement bin 52 of the deposition dehydrating with the sand warehouse 51 for pulping of calming the anger, for storing cement, the output end being connected in cement bin 52 are used for The cement of metering and the control output of cement bin 52 simultaneously carries out the weighing spiral feeder 53 of cement transportation, is respectively communicated with sand warehouse 51 The output end of output end and weighing spiral feeder 53 is used for while accepting quantitative last mortar and quantitative cement and to tailings It starches and be tentatively stirred to obtain the blender 54 of filling slurry and be connected to use in the output end of blender 54 with cement In the activation blender 55 for carrying out activation stirring to filling slurry.The concentration for the last mortar that agitator 42 exports is generally on 40% left side The right side, not up to Filling density require, it is necessary to be arranged sand warehouse 51 carry out storage sand, dehydration further increase its concentration.Last mortar exists Through natural subsidence in sand warehouse 51, and the more clear water in surface is discharged, to improve the concentration of last mortar.Then air compressor machine is generated Compressed gas is passed through in last mortar and stirs, and is uniformly mixed last mortar.The cement that cement bin 52 exports is by weighing spiral feeder 53 are delivered in blender 54 according to scheduled ratio, and the last mortar exported in blender 54 with sand warehouse 51 is stirred To filling slurry, the filling slurry that activation stirs to get homogeneous then is carried out to filling slurry by activation blender 55.
As shown in Figure 4 and Figure 5, in the present embodiment, weighing spiral feeder 53 includes for conveying cement and controlling conveying The screw(-type) feeder 531 of speed and helix balance 532 for being measured to the cement of conveying.Helix balance 532 is equipped with and is used for Sensor 5321 of the weight change of cement to be measured on inductive spiral scale 532, screw(-type) feeder 531, which is equipped with, is used for basis The variable-frequency motor 5311 for variation control 531 running frequency of screw(-type) feeder that sensor 5321 measures.The change of screw(-type) feeder 531 Frequency motor 5311 drives rotating bar 5313 and the continuous impeller 5314 being attached in rotating bar 5313 to rotate, thus before promoting cement Into cement enters helix balance 532 by the feed opening 5312 of screw(-type) feeder 531 and the feed inlet 5322 of helix balance 532 and relays Continuous conveying.The weight change that cement is conveyed on 5321 energy inductive spiral scale 532 of sensor on helix balance 532, thus to cement Weight carries out accurate measurement.The variation measured according to sensor 5321 is adjusted continuous by the frequency of change variable-frequency motor 5311 The revolving speed of impeller 5314 realizes the increase and decrease of cement feeding coal.The feed opening 5312 of screw(-type) feeder 531 and helix balance 532 into Material mouth 5322, which uses, to be flexible coupling, it is ensured that the sensor 5321 on helix balance 532 is not influenced by external force, to guarantee that check weighing is accurate. Optionally, screw(-type) feeder 531 uses double-tube double-helix, two-tube mutually indepedent, Bu Huifa more preferable compared with single tube double spiral seal It is raw to run grey phenomenon.Optionally, screw(-type) feeder 531 uses bi-motor, the work of feeding coal hour single motor, double electricity when feeding coal is big Machine work.
As shown in Fig. 6, Fig. 7 and Fig. 8, in the present embodiment, blender 54 includes stirred tank 541, stirring through stirred tank 541 It mixes axis 542, be arranged on agitating shaft 542 for stirring the stirring blade 543 of last mortar and cement, for driving stirring blade The motor 544 of 543 rotations and setting are used to turn between motor 544 and agitating shaft 542 between motor 544 and agitating shaft 542 The matched retarder 545 of speed.Multiple auxiliary blades 546 are additionally provided on agitating shaft 542, the direction of adjacent auxiliary blade 546 is opposite. Motor 544 drives agitating shaft 542 and the stirring blade 543 being attached on agitating shaft 542 to rotate, thus in stirred tank 541 Last mortar and cement are stirred mixing to obtain filling slurry.The revolving speed that motor 544 exports can be reduced to by retarder 545 Revolving speed needed for agitating shaft 542 guarantees the even running of blender 54.Stirring blade 543 and towards opposite auxiliary blade 546 Collective effect can realize convolution stirring, and mixing effect is more preferable.
As shown in Figure 9 and Figure 10, in the present embodiment, activation blender 55 includes agitator tank 551, through agitator tank 551 Stirring rod 552 is arranged in the stirring rotator 553 on stirring rod 552 for activating mixing and filling slurry and connects with stirring rod 552 Connect the driving motor 554 for driving stirring rotator 553 to rotate.Stirring rotator 553 includes the rotor disk connecting with stirring rod 552 555 and it is arranged on rotor disk 555 and the axial parallel rotor shaft 556 of stirring rod 552.Driving motor 554 drives stirring rod 552 and the stirring rotator 553 that is attached on stirring rod 552 rotate so that the inside and outside two circles rotor shaft 556 on rotor disk 555 exists High speed rotation in agitator tank 551 breaks up cement floc sedimentation, and the cement in filling slurry is allowed more sufficiently, uniformly to mix with last mortar, Form the filling slurry of homogeneous.
As shown in figure 3, sand warehouse 51 is set as two, and two sand warehouses 51 alternately into sand and put sand in the present embodiment.Pulping again Process is to separate with stowing operation, and two sand warehouses 51 are alternately into sand, filling, i.e., when one of sand warehouse 51 carries out packing job When, another sand warehouse 51 is then for improving the operating efficiency of pulping again and filling into sand and deposition dehydrating.
As shown in Figures 2 and 3, it in the present embodiment, is equipped between Pulp pump 43 and sand warehouse 51 for detecting into sand concentration Into sand densimeter 44 and for detecting into sand flow amount into sand flow meter 45;And/or it is equipped with and uses between sand warehouse 51 and blender 54 In detection put sand concentration put sand densimeter 56 and for detect put sand flow amount put sand flow meter 57.Densimeter and flowmeter can With into sand and putting the concentration of sand and flow is effectively detected, and it will test result and feed back to control room, thus according to inspection Result is surveyed into sand and putting sand and being adjusted, guarantees going on smoothly for pulping again and filling.
As shown in Figures 2 and 3, in the present embodiment, agitator 42 and/or sand warehouse 51 are equipped with the material for detecting liquid level Position meter 6.Level-sensing device 6 can be measured in real time the liquid level of agitator 42 and/or sand warehouse 51, can when liquid level is lower Suitably to feed, then needs to be discharged in time when liquid level is higher, prevent spill-over.
As shown in figure 3, sand warehouse 51 is equipped with the automatic SUPPLEMENTARY UNLOADING GRAIN 511 of high pressure water for cleaning sand warehouse 51 in the present embodiment. The automatic SUPPLEMENTARY UNLOADING GRAIN 511 of high pressure water can spray high pressure water and clean to the inner wall of sand warehouse 51, including preventing tailings adhesion deposition On wall.
The tailings reconstruction slurry filling process implemented using above-mentioned tailings reconstruction slurry filling system, comprising the following steps: a, The tailings of dressing plant's discharge forms high concentration tailings filter cake 1 by filters pressing, and high concentration tailings filter cake 1 is transported to Filling Station and is carried out Concentrate storage;B, with high pressure water impact and diluting high-concentration tailings filter cake 1, last mortar is obtained;C, by the coarse granule in last mortar Filtering foreign removal;D, last mortar is stirred, to prevent tailings from depositing and obtain the last mortar of steady concentration;E, by quantitative tailings Slurry is prepared into filling slurry with quantitative cement mixing;F, filling slurry goaf is delivered to fill.
Step e specifically: deposition dehydrating;It calms the anger pulping;Cement and water is added according to predetermined cement-sand ratio and concentration;Tentatively stir It mixes;Activation stirring.
It mainly include four parts when it is implemented, providing a kind of tailings reconstruction slurry filling system: automobile, filter cake storage Storehouse 3, tailings reconstruction sizing device 4 and filling slurry preparation facilities 5.
The capital equipment and its technical parameter of tailings reconstruction slurry filling system are as shown in table 1.
Table 1: tailings reconstruction slurry filling system capital equipment technical data sheet
Weighing spiral feeder 53, blender 54 and activation blender 55 are further described in detail below.
Weighing spiral feeder 53 claims 532 to constitute by screw(-type) feeder 531, spiral, and screw(-type) feeder 531 claims with spiral Using being flexible coupling between 532,531 revolving speed of screw(-type) feeder is adjustable, and spiral claims 532 invariablenes turning speeds, according to control Signal Regulation spiral Batcher 531 reaches control precision.
The key technical indexes of weighing spiral feeder 53 is as follows:
A, static system measurement error≤0.25%;
B, system dynamic measuring error≤1%;
C, system controls error≤1%;
D, feeding coal 0t/h~50t/h;
E, speed adjustable range: 1:10;
It f, can be with the revolving speed of AC variable-frequency speed regulation system control screw(-type) feeder 531.
The major function and purpose of blender 54 are: last mortar, cement and water pass through respective supply line, by setting sand-lime Enter blender 54 than, concentration and flow, realize the preliminary mixing of cement and last mortar and stir, is prepared into concentration and cement-sand ratio The filling slurry met the requirements.
Blender 54 has the following characteristics that
1. it is driven using motor 544 and retarder 545, it is simple and reliable for structure, it operates easy to maintenance.
2. taking pressure convolution stirring feeding process, mixing effect is significant.
3. stirring blade 543 uses high-quality steel, wearability is good, long service life.
4. stirring blade 543 can be individually replaced, repair efficient and convenient.
5. the sealing of agitating shaft 542 and stirred tank 541 is good using labyrinth sealing and sealing ring dual-seal, sealing effect It is good.
6. it is high to stir pulp density, ability is big, and feed is continuous.
Activation blender 55 is made of driving motor 554, agitator tank 551, stirring rotator 553, base etc..Agitated machine 54 The filling slurry with certain flow, concentration and cement-sand ratio enters in activation blender 55 after first stirring, mixing, activation stirring Machine 55 carries out re-activation stirring to filling slurry.Two circle 556 high-speed rotation of rotor shaft inside and outside blender 55 is activated, reunion is broken up Cement agglomerate, so that cement is uniformly distributed in filling slurry, not only increase filling slurry consistency and transportable performance, but also fill Each position gain in strength of obturation that slurry enters goaf formation is consistent, and obturation globality is more preferable.
Activation blender 55 has the following characteristics that
1. it is directly driven using driving motor 554, it is simple and reliable for structure, it operates easy to maintenance.
2. ordinary motor or frequency control motor can be used in driving motor 554 according to use demand.Using frequency control electricity The features such as machine has driving moment big, speed-regulating range width, control precision is high, low speed is able to maintain constant driving force when running Square can adjust stirring intensity by adjusting frequency control motor revolving speed when high-speed cruising with constant power of agitator.
3. rotor disk 555 and rotor shaft 556 use high-quality wear-resisting steel, handled through special process, wearability is good, uses the longevity Life length.
4. rotor disk 555 uses split type structure, rotor shaft 556 can be individually replaced, and repair and replacement are convenient and efficient.
5. the sealing of stirring rod 552 and agitator tank 551 is sealed using sealing ring, sealing effect is good.
6. it is high to stir pulp density, ability is big, and feed is continuous.
The tailings reconstruction slurry filling process implemented using above-mentioned tailings reconstruction slurry filling system, comprising the following steps:
The automobile transportation to filter cake storage silo 3 of high concentration tailings filter cake 1 for being 85%~90% by concentration, opens electro-hydraulic lock Door, after opening giant 33, for high concentration tailings filter cake 1 under the impact of high pressure water and diluting effect, smooth slot 34 enters rolling Shaft screen 41, coarse granule sundries, stone etc. are filtered, and last mortar then enters the stirring of agitator 42, the last mortar concentration being stirred About 40%, deposition dehydrating after sand warehouse 51 is pumped to by Pulp pump 43, pulping of calming the anger is put sand, added according to certain cement-sand ratio and concentration Add cement and water supplement, filling slurry underground goaf of flowing automatically after two-stage agitation or be pumped to is filled.
The advantages of tailings reconstruction slurry filling system of the utility model, is as follows:
1) a kind of practicable reconstruction slurry mode is provided, and is applied in production.
2) pulping process provides qualified tailings sand source for stowing operation again.
3) the high concentration tailings filter cake 1 of various fineness is suitable for tailings reconstruction slurry filling process.It is filtered in high concentration tailings In the case that 1 source of cake is a variety of, the case where each source tailings grade differs greatly is certainly existed;Such as some high concentration tailings filter Cake 1 is the thick tailings after classification, some are thin tail mud, and thick tailings, thin tail mud can be delivered to same sand warehouse according to certain proportion 51, it forms the tailings grade in sand warehouse 51 more evenly, is more advantageous to the formation of slurry pipeline transport and strength of filling mass.
4) tailings reconstruction slurry filling process whole process realize automatic control, into sand concentration, can be effective into sand flow amount Detect and feed back to control room, 51 liquid level of sand warehouse real-time detection and can be fed back.Sand concentration is put in stowing operation, puts sand flow Amount, cement feeding coal according to design value real-time detection, feedback and can rectify a deviation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of tailings reconstruction slurry filling system, which is characterized in that
Including the transport vehicles for the high concentration tailings filter cake (1) that dressing plant generates and filters pressing is formed to be transported to Filling Station (2), the high concentration tailings filter cake (1) is stored for concentration and pass through high pressure water impact and dilute the high concentration tailings filter cake (1) with formed last mortar flowing output filter cake storage silo (3), for the last mortar that exports the filter cake storage silo (3) into Row filtering and stir to get steady concentration last mortar tailings again pulp making device (4) and for by the tailings reproduce slurry dress The last mortar for setting the steady concentration of (4) output prepares to form filling slurry and export to carry out the filling slurry system of goaf filling Standby device (5).
2. tailings reconstruction slurry filling system according to claim 1, which is characterized in that
Filter cake storage silo (3) bottom is equipped with the control for controlling filter cake storage silo (3) bottom discharge port (31) opening and closing Valve (32) processed and for after unlatching the discharge port (31) output the high concentration tailings filter cake (1) carry out high pressure Water slug and diluted giant (33).
3. tailings reconstruction slurry filling system according to claim 2, which is characterized in that
Pulp making device (4) includes that connection is used to deposit the filter cake in the output end of the filter cake storage silo (3) to the tailings again The rotary screen (41) of coarse granule filtering foreign removal in the last mortar of warehouse (3) output is connected in the rotary screen (41) Output end is used to stir last mortar agitator (42) and connection to obtain the last mortar of steady concentration and prevent tailings from depositing It is used to for last mortar being pumped to the Pulp pump of the filling slurry preparation facilities (5) in the output end of the agitator (42) (43)。
4. tailings reconstruction slurry filling system according to claim 3, which is characterized in that
The filling slurry preparation facilities (5) includes that connection is used for deposition dehydrating in the output end of the Pulp pump (43) and calms the anger The sand warehouse (51) of pulping, the cement bin (52) for storing cement, connection are used to measure in the output end of the cement bin (52) With the cement for controlling the cement bin (52) output and carry out the weighing spiral feeder (53) of cement transportation, be respectively communicated with it is described The output end of sand warehouse (51) and the output end of the weighing spiral feeder (53) are used for while accepting quantitative last mortar and determine The cement of amount is simultaneously tentatively stirred to obtain the blender of filling slurry (54) and be connected to last mortar with cement progress The output end of the blender (54) is used to carry out filling slurry the activation blender (55) of activation stirring.
5. tailings reconstruction slurry filling system according to claim 4, which is characterized in that
The weighing spiral feeder (53) include for convey cement and control conveying speed screw(-type) feeder (531) and Helix balance (532) for being measured to the cement of conveying;
The helix balance (532) is equipped with for incuding biography of the weight change of cement on the helix balance (532) to be measured Sensor (5321), the screw(-type) feeder (531) are equipped with described in the variation control for being measured according to the sensor (5321) The variable-frequency motor (5311) of screw(-type) feeder (531) running frequency;
The feed opening (5312) of the screw(-type) feeder (531) and the feed inlet (5322) of the helix balance (532) use soft company It connects.
6. tailings reconstruction slurry filling system according to claim 4, which is characterized in that
The blender (54) includes stirred tank (541), the agitating shaft (542) through the stirred tank (541), setting described For stirring the stirring blade (543) of last mortar and cement, for driving the stirring blade (543) to turn on agitating shaft (542) Dynamic motor (544) and be arranged between the motor (544) and the agitating shaft (542) for the motor (544) and The matched retarder of revolving speed (545) between the agitating shaft (542);
It is additionally provided with multiple auxiliary blades (546) on the agitating shaft (542), the direction of the adjacent auxiliary blade (546) is opposite.
7. tailings reconstruction slurry filling system according to claim 4, which is characterized in that
It is described activation blender (55) include agitator tank (551), through the agitator tank (551) stirring rod (552), setting exist For activating the stirring rotator (553) of mixing and filling slurry and being connect with the stirring rod (552) on the stirring rod (552) Driving motor (554) for driving the stirring rotator (553) to rotate;
The stirring rotator (553) includes the rotor disk (555) connecting with the stirring rod (552) and is arranged in the rotor The rotor shaft (556) parallel with the stirring rod (552) axial direction on disk (555).
8. tailings reconstruction slurry filling system according to claim 4, which is characterized in that
It is equipped between the Pulp pump (43) and the sand warehouse (51) for detecting into sand concentration into sand densimeter (44) and using In detecting into sand flow amount into sand flow meter (45);And/or
Between the sand warehouse (51) and the blender (54) be equipped with for detect put sand concentration put sand densimeter (56) and use Sand flow meter (57) are put in what sand flow amount was put in detection.
9. tailings reconstruction slurry filling system according to claim 4, which is characterized in that
The agitator (42) and/or the sand warehouse (51) are equipped with the level-sensing device (6) for detecting liquid level.
10. tailings reconstruction slurry filling system according to claim 4, which is characterized in that
The sand warehouse (51) is equipped with the automatic SUPPLEMENTARY UNLOADING GRAIN of high pressure water (511) for cleaning the sand warehouse (51).
CN201820771834.6U 2018-05-22 2018-05-22 Tailings reconstruction slurry filling system Active CN208252153U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108590748A (en) * 2018-05-22 2018-09-28 长沙矿山研究院有限责任公司 Tailings reconstruction slurry filling system and technique
CN114810202A (en) * 2022-04-21 2022-07-29 中南大学 Filling partition wall building trolley

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108590748A (en) * 2018-05-22 2018-09-28 长沙矿山研究院有限责任公司 Tailings reconstruction slurry filling system and technique
CN108590748B (en) * 2018-05-22 2024-04-16 长沙矿山研究院有限责任公司 Tailing reconstituted slurry filling system and process
CN114810202A (en) * 2022-04-21 2022-07-29 中南大学 Filling partition wall building trolley

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