CN108547659A - Tailing slurry filling system and technique - Google Patents
Tailing slurry filling system and technique Download PDFInfo
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- CN108547659A CN108547659A CN201810631975.2A CN201810631975A CN108547659A CN 108547659 A CN108547659 A CN 108547659A CN 201810631975 A CN201810631975 A CN 201810631975A CN 108547659 A CN108547659 A CN 108547659A
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- sand
- tailing slurry
- pulping
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
Abstract
The present invention provides a kind of tailing slurry filling system and techniques, belong to tailings processing technology field, the tailing slurry filling system carries out thickening using deep wimble thickener to low concentration tailing slurry, low concentration tailing slurry can be concentrated after being pumped to concentrator with rapid subsidence, fine-grained tailing will not be lost in, the overflow water on top is limpider, and overflow clear water can be made to be delivered to the storage of production pond；Sand warehouse stores as high concentration ground paste, puts sand device, is responsible for the storage of tailings and pulping specially, puts sand；Tailing slurry filling system of the present invention makes full use of deep wimble thickener, and respectively advantage, progress tailing slurry processing reduce the loss of tailings, improve the utilization rate of tailings, ensured filling quality, improve the reliability of fill system with sand warehouse.The tailing slurry filling process can realize deep wimble thickener for 24 hours into sand, sand supplying best effort system for 24 hours, two sand warehouses alternately fill into sand, alternately, promote working efficiency.
Description
Technical field
The present invention relates to tailing-filled technical fields, and in particular to a kind of tailing slurry filling system and technique.
Background technology
Tailing-filled mining technique is a kind of economic and environment-friendly new technology of modern mining, with other mining methods phases
Than having many advantages, such as simple for process, at low cost, high stoping rate, job safety, environmental protection, and can back production complicated geological item
Uneasily mining orebody under part and deep orebody, therefore Cut-and-fill Mining Technology is also increasingly paid attention to, and is constantly bringing forth new ideas and is developing.At present
Tailing is considered as a kind of distant view resource and is stored in underground, waits for that Technological Economy maturation in future again carries out it resource secondary exploitation profit
With.Tailing slurry concentration, dehydration link often occur in a manner of following two in current tailing-filled system process：
1, traditional sand warehouse (without efficient deep wimble thickener) carries out thickening to low concentration.
2, the efficient deep wimble thickener of use popular at present carries out dense dehydration to low concentration tailings.
The problem of objective reality of the prior art, has：
One, individually using the shortcomings that sand warehouse thickening is：
1, it is also to carry out Flocculation Settling Process that low concentration slurry, which enters after sand warehouse, but not tailing slurry inside sand warehouse
" from dilution system " and more rational flocculant add-on system, sand warehouse flocculant addition mainly flocculant is directly added into
At material mouth.So the flocculating setting effect of sand warehouse is bad, overflow water can be caused muddy, overflow water takes away a large amount of fine grained, most
Cause tailings to be classified eventually, overflow back water must be pumped to Tailings Dam, fine grained tailings Tailings Dam carry out stockpiling cannot be formed it is dry
Booth, certain security risk is caused to Tailings Dam.
2, additionally, due to the loss of tailings, the utilization rate of tailings reduces, and the grit deposit efficiency of tailings substantially reduces, final to influence
Pack effectiveness.
Two, individual the shortcomings that efficiently deep wimble thickener carries out thickening, is：
1, after low concentration tailing slurry enters efficient deep wimble thickener, concentrator has the tailing slurry of itself from dilution system
And flocculant add-on system, overflow water are limpider.But concentrator bottom is put in sand process, due to charging and discharging imbalance, is led
It is bigger that sand fluctuation of concentration is put in cause, and is typically to put that sand concentration is lower and lower, and putting sand fluctuation of concentration greatly leads to subsequent cement
Additive amount addition is inaccurate, i.e. cement-sand ratio addition is inaccurate, finally influences filling quality.
2, efficient deep wimble thickener is a mechanical equipment since then be mechanical equipment must will appear needs overhaul or
It is if only one storage sand device of concentrator, to need to examine once concentrator breaks down when failure
When repairing emptying tailings, the tailing slurry of thousands of sides can will be arranged nowhere in dense cabin.The reliability of filling system receives a fixing
It rings.
Invention content
The first object of the present invention is to provide a kind of tailing slurry filling system, abundant in the tailing slurry filling system
Using deep wimble thickener and sand warehouse, respectively advantage, progress tailing slurry processing reduce the loss of tailings, improve the utilization of tailings
Rate has ensured filling quality, improves the reliability of fill system.
The second object of the present invention is to provide a kind of tailing slurry filling process, can realize deep wimble thickener for 24 hours into
Sand, for 24 hours sand supplying best effort system, two sand warehouses are alternately filled into sand, alternately, promote working efficiency.
Based on above-mentioned first purpose, tailing slurry filling system provided by the invention, including：Deep wimble thickener, pulping dress
It sets, feeder and at least one sand warehouse；
The deep wimble thickener can make overflow clear water be delivered to life to carry out thickening to low concentration tailing slurry
Pond storage is produced, the underflow pump of deep wimble thickener is connected to the feeding port of the sand warehouse by mortar for sandpipe, at least one
High concentration tailing slurry is launched in the sand warehouse；
The pulp making device is arranged in the sand warehouse bottom position, the feeder and is made with described by steam line
Sizing device is connected to, and the pulp making device can carry out slurry in sand warehouse pulping of calming the anger, and the pulp making device bottom, which is also connected to, puts
Sandpipe is discharging tailings.
Further, the sand warehouse is arranged two, and mortar passes through the first switch valve and the second switching valve respectively for sandpipe
The dispensing port of door two sand warehouses of connection；
Wherein, when the first switch valve is opened so that first sand warehouse is in tailing slurry input state, synchronously, second
Switch valve is closed so that second sand warehouse is in pulping and sediment outflow state；
When first switch valve closes so that first sand warehouse is in pulping and sediment outflow state, synchronously, the second switching valve
Door is opened so that and second sand warehouse is in tailing slurry input state.
Further, the pulp making device includes admission line, outlet pipe, the pulping pipeline of plate-like and multiple nozzles
Device, described admission line one end are connected to the steam line by intake valve, and the other end is connected to the air inlet of the pulping pipeline
Mouthful, the outlet pipe is connected to by air outlet valve with the gas outlet of the pulping pipeline；Multiple spray nozzle devices are distributed on institute
It states on pulping pipeline and is connected to the pulping pipeline.
Further, when the pulp making device is in pulping state, the intake valve is opened, air outlet valve is closed, so that gas
Body is expelled to pulping in the slurry in sand warehouse by the spray nozzle device on pulping pipe；
After pulping, air outlet valve is opened, so that the impurity and sewage in pulping pipe are expelled to pulping pipeline.
Further, it further include more with valvular drainage pipeline, multiple drainage pipelines are arranged in the sand warehouse
Interior close upper position, the overflow clear water of corresponding height is discharged.
Further, the more drainage pipelines along sand warehouse short transverse increasing lengths into a ladder.
Further, the more drainage pipeline outlets are connected to collector pipe respectively, to be overflow by collector pipe output clarification
Flowing water is to producing pond.
Further, the entrance of the deep wimble thickener is connected to mortar sand-feeding tube to input low concentration tailing slurry.
Further, the feeder includes an at least air compressor machine and is connected to by pipeline with the air compressor machine
The gas outlet of at least one air accumulator, the air accumulator is connected to steam line.
Based on above-mentioned second purpose, a kind of tailing slurry filling process provided by the invention includes the following steps：
S1. thickening is carried out to low concentration tailing slurry using deep wimble thickener；
S2. the underflow pump of deep wimble thickener is utilized to be launched at least one sand warehouse processing unit for sandpipe by mortar highly concentrated
Spend tailing slurry；
Wherein, the sand warehouse processing unit includes two sand warehouses, and mortar passes through the first switch valve and the respectively for sandpipe
Two switch valves are connected to the dispensing port of two sand warehouses；
Wherein, when the first switch valve is opened so that first sand warehouse is in tailing slurry input state, synchronously, second
Switch valve is closed so that second sand warehouse is in pulping and sediment outflow state；
When first switch valve closes so that first sand warehouse is in pulping and sediment outflow state, synchronously, the second switching valve
Door is opened so that and second sand warehouse is in tailing slurry input state.
Using above-mentioned technical proposal, the technique effect of tailing slurry filling system provided by the invention has：
1, thickening is carried out to low concentration tailing slurry using deep wimble thickener, low concentration tailing slurry is pumped to dense
It can be concentrated with rapid subsidence after machine, fine-grained tailing will not be lost in, and the overflow water on top is limpider, and can make overflow
Clear water is delivered to the storage of production pond；
2, sand warehouse as high concentration ground paste storage, put sand device, be responsible for the storage of tailings and pulping specially, put sand；This hair
Bright tailing slurry filling system makes full use of deep wimble thickener respectively to play own advantages with sand warehouse, carries out tailing slurry processing,
The loss for reducing tailings, improves the utilization rate of tailings, has ensured filling quality, even if deep wimble thickener meets with failure and needs to examine
It repaiies, tailings can also be emitted into sand warehouse, improve the reliability of fill system.
The effect that tailing slurry filling process provided by the invention has has：
1, deep to bore dense system+bis- sand warehouses technology, efficient deep wimble thickener is responsible for the thickening of tailings, and sand warehouse is made
For tailings storage and put sand device.
2, deep wimble thickener for 24 hours into sand, sand supplying best effort system for 24 hours, two sand warehouses alternately fill into sand, alternately, carry
Rise working efficiency.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram of tailing slurry filling system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of pulp making device provided in an embodiment of the present invention；
Fig. 3 is the vertical view of the pulping pipeline in pulp making device provided in an embodiment of the present invention；
Fig. 4 is the vertical view of stepped drainage pipeline provided in an embodiment of the present invention.
Reference numeral：100- deep wimble thickeners；110- mortars are for sandpipe；200- pulp making devices；210- puts sandpipe；220- into
Feed channel；230- outlet pipes；240- pulping pipelines；250- spray nozzle devices；260- intake valves；270- air outlet valves；300- is supplied
Device；310- steam lines；320- air compressor machines；330- air accumulators；400- sand warehouses；The first switch valves of 410-；420- second is cut
Change valve；430- drainage pipelines；500- collector pipes；600- mortar sand-feeding tubes.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The purpose of the embodiment of the present invention is to be used in combination deep wimble thickener 100 and sand warehouse 400, respectively plays its own
Advantage handles tailings, i.e., deep wimble thickener 100 is responsible for carrying out thickening, low concentration tail to low concentration tailing slurry
200 rapid subsidence of pulp making device can be utilized to concentrate after sand material pulp pumping to deep wimble thickener 100, fine-grained tailing will not be by
It is lost in.Sand warehouse 400 as high concentration ground paste storage, put sand device, be responsible for the storage of tailings and pulping specially, put sand.
For this purpose, an embodiment of the present invention provides a kind of tailing slurry filling system, Fig. 1 is please referred to, which includes：Deep cone
Concentrator 100, pulp making device 200, feeder 300 and at least one sand warehouse 400.
Since deep wimble thickener 100 itself has tailing slurry from dilution system and flocculant add-on system, low concentration
After tailing slurry enters efficient deep wimble thickener 100, deep wimble thickener 100 carries out thickening to low concentration tailing slurry, on
The overflow water in portion is limpider, and overflow clear water can be made to be delivered to the storage of production pond, and the underflow pump of deep wimble thickener 100 is logical
The feeding port that mortar is connected to sand warehouse 400 for sandpipe 110 is crossed, to launch high concentration tailing slurry at least one sand warehouse 400；
Pulp making device 200 be arranged in each sand warehouse 400 bottom position, feeder 300 by steam line 310 with
Pulp making device 200 is connected to, and pulp making device 200 can carry out slurry in sand warehouse 400 pulping of calming the anger, and 200 bottom of pulp making device is also
Connection puts sandpipe 210 to discharge tailings.
When it is implemented, there are many different set-up modes for the quantity of above-mentioned sand warehouse 400：
When 400 quantity of sand warehouse is set as one, deep wimble thickener 100 is used to carry out low concentration tailing slurry first dense
Then contracting dehydration, to launch high concentration tailing slurry into sand warehouse 400, allows sand warehouse 400 by underflow pump, mortar for sandpipe 110
After interior tailing slurry is sent completely, stops launching micro- sand slurry to sand warehouse 400, slurry in sand warehouse 400 is carried out using pulp making device 200
It calms the anger pulping, tailings is discharged to external corresponding stirring system by putting sandpipe 210 after the completion of pulping.
Thickening is carried out using a deep wimble thickener 100 in the present embodiment, due to there is the tailings of its own dilution system
System and flocculant add-on system, so overflow water is usually limpider, a large amount of overflow water can be used as industrial water cycle to make
With (overflow clear water being pumped directly to mining area head-tank to recycle, first have to pump overflow muddy water if overflow bubble is muddy
It send to Tailings Dam, overflow muddy water to Tailings Dam is further precipitated, and clear water passes through in Tailings Dam water filter well and pumping system
It is pumped to mining area head-tank again to recycle).
Fine grained tailings will not be lost, and can fully achieve real tailing filling, and sinking speed is fast, efficient.Carefully
Grade tailings will not enter Tailings Dam, reduce Safety of Tailings Dam hidden danger, once because fine-grained tailing enters Tailings Dam, fine fraction
Tailing slurry dehydration is extremely difficult, cannot form dry booth, so ash causes certain hidden danger to Safety of Tailings Dam.
As shown in Figure 1, when 400 quantity of sand warehouse is set as two, mortar passes through the first switch valve respectively for sandpipe 110
410 are connected to the dispensing port of two sand warehouses 400 with the second switch valve 420；
It uses deep wimble thickener 100 to carry out thickening to low concentration tailing slurry first, then passes through underflow pump, mortar
For sandpipe 110 to launch high concentration tailing slurry into sand warehouse 400.Specifically launch process is：
First, the first switch valve 410 is opened so that first sand warehouse 400 is in tailing slurry input state, meanwhile, the
Two switch valves 420 are closed, and second sand warehouse 400 be not into sand (inputting tailing slurry)；
When first sand warehouse 400 is into after the completion of sand, the first switch valve 410 is closed, is no longer inputted to first sand warehouse 400
Micro- sand slurry, the first sand warehouse 400 carry out making sand, put sand process；Synchronously, the second switch valve 420 is opened, so that second sand
Storehouse 400 is in tailing slurry input state；
When second sand warehouse 400 is into after the completion of sand, the second switch valve 420 is closed, is no longer inputted to second sand warehouse 400
Micro- sand slurry, the second sand warehouse 400 carry out making sand, put sand process；Synchronously, the first switch valve 410 is opened, so that first sand
Storehouse 400 is in tailing slurry input state again after the completion of putting sand.
When using above-mentioned two sand warehouse 400 replaced into sand, make sand and sediment outflow process when, in addition to said one sand
Storehouse 400 has the advantage that outer, and concentrator bottom can also be realized under normal circumstances for 24 hours uninterruptedly to the sand supplying of sand warehouse 400, in this way by
It is that ceaselessly sand supplying does not have buffering, storage function for 24 hours in concentrator, then the concentrator correlation specification, the parameter that select compare
Smaller, the investment on the large scale equipment as concentrator is just few.When formal filling, pulping of calming the anger is carried out in a sand warehouse 400,
The high concentration tailing slurry in sand warehouse 400 is all made (similar to cooking congee), pulping specific time general 30min~
60min makes pulp density in its sand warehouse 400 be uniformly distributed, starts to put sand after pulping, at this moment be put in entire stowing operation
Sand concentration is relatively uniform, and subsequent cement-sand ratio proportioning is also relatively accurate, and filling quality is reliable.
As shown in Figure 1 to Figure 3, in tailing slurry filling system provided in this embodiment, pulp making device 200 includes air inlet pipe
Road 220, outlet pipe 230, the pulping pipeline 240 of plate-like and multiple spray nozzle devices 250.
220 one end of admission line is connected to steam line 310 by intake valve 260, and the other end connection of admission line 220 is made
The air inlet of pipeline 240 is starched, outlet pipe 230 is connected to by air outlet valve 270 with the gas outlet of pulping pipeline 240；Multiple nozzles
Device 250 (having the function of one-way conduction) is distributed on pulping pipeline 240 and is connected to pulping pipeline 240.Pulping pipeline is preferred
Using 1 cun of galvanized pipe 400 tapering of sand warehouse be circular layout (concentric circles) it is discoid, so as to which pulping pipeline 240 is significantly increased
Length of run, the outlet face that makes the nozzle quantity in portion mounted thereto substantially increase, and then can be substantially improved in sand warehouse 400
Product, keeps pulping more abundant, effectively promotes pulping effect.
When it is implemented, when pulp making device 200 is in pulping state, intake valve 260 is opened, air outlet valve 270 is closed, with
Gas is set to be expelled to pulping in the slurry in sand warehouse 400 by the spray nozzle device 250 on pulping pipe；
After pulping process, air outlet valve 270 is opened, so that the impurity and sewage in pulping pipe are expelled to pulping pipeline
240, and then pulping pipeline 240 is emptied, realize the effect of self-cleaning.
In addition, as shown in Figure 1 and Figure 4, in tailing slurry filling system provided in this embodiment, in each sand warehouse 400
With valvular drainage pipeline 430, multiple drainage pipelines 430 are arranged in sand warehouse 400 close to upper position more of interior setting, use
The overflow clear water of corresponding height is discharged.
In one preferred embodiment, more above-mentioned drainage pipelines 430 along 400 short transverse of sand warehouse increasing lengths at
It is ladder-like.
In one preferred embodiment, the more outlets of drainage pipeline 430 are connected to collector pipe 500 respectively, with by catchmenting
The output clarification overflow water of pipe 500 is to producing pond.
In above-mentioned technical proposal, the stepped multiple drainage pipelines 430 being arranged in sand warehouse 400 can will be pumped into sand
Tailing slurry concentration in storehouse 400 improves, and drainage pipeline 430 and valve is installed in different height in sand warehouse 400, when sand warehouse 400
After interior tailing slurry sedimentation, corresponding height valve is opened, the primary water of 430 respective heights of drainage pipeline or more is discharged,
To improve the overall density in sand warehouse 400, the specific of concentration can be improved to adjust according to the drainage pipeline 430 for opening different height
Quantity puts sand concentration qualification to ensure.
In tailing slurry filling system provided in this embodiment, the entrance of deep wimble thickener 100 is by being connected to mortar into sand
The mode of pipe 600 is to input low concentration tailing slurry.
In tailing slurry filling system provided in this embodiment, feeder 300 include an at least air compressor machine 320 and
At least one air accumulator 330 being connected to by pipeline with air compressor machine 320, gas outlet and the steam line 310 of air accumulator 330 connect
It is logical, to be supplied to the corresponding equipment in processing system.
Using the above-mentioned tailing slurry filling system provided in the present embodiment, at least have the following technical effects：
1, overflow water is limpid can be recycled, industrial water cost reduction：It is concentrated using efficient deep wimble thickener 100
Dehydration, due to having the tailings dilution system of its own and flocculant add-on system, so overflow water is usually limpider, largely
Overflow water can be used as industrial water to recycle.
2, tailings utilizing rate improves, and Tailings Dam security risk reduces after tailing filling：It is carried out using deep wimble thickener 100
Thickening, fine grained tailings will not be lost, and can fully achieve real tailing filling, and sinking speed is fast, efficient.Carefully
Grade tailings will not enter Tailings Dam, reduce Safety of Tailings Dam hidden danger.
3, it is small to put sand fluctuation of concentration, cement-sand ratio proportion speed, filling quality are secure：It is high due to putting sand using sand warehouse 400
Stop behind the full storehouse of concentration tailing slurry pumping into sand, switch to another sand warehouse 400 and continue into sand, into sand with put sand and do not do mutually
It disturbs.This storehouse sand can so be made by the slurry making system in sand warehouse 400, keeps its entire sand warehouse 400 uniform, put sand
The tailing slurry of Shi Yicang is the entirety of a homogeneous, so concentration is stablized when putting sand, cement-sand ratio proportioning is stablized.In addition, even if
The tailing slurry concentration being pumped in sand warehouse 400 does not have (what tailing slurry concentration ratio required in sand warehouse 400 is slightly lower) up to standard, may be used yet
With etc. after tailing slurry sedimentation completely in sand warehouses 400, extra clear water is excluded to improve by the ladder drain valve of itself
Sand concentration is put, Filling density is finally improved, so filling quality is secure.
4, deep wimble thickener 100 plus double 400 costs of investment of sand warehouse will not increase：Deep wimble thickener 100 be one costly
Equipment, and the parameters such as concentrator diameter and direct tube section depth slight variation is a bit, the cost of investment of whole equipment difference compared with
(there are the import equipments such as motor, speed reducer, climbing frame) greatly, however sand warehouse 400 mainly uses reinforced concrete structure and steel construction
Warehouse apparatus, without other imports or the country mechanical equipment, so even if comparing single efficient deep wimble thickener 100
It says, will not be increased using the form cost of investment compared with the bis- sand warehouses of the efficient deep wimble thickener 100+ of small dimension 400.
5, filling cost reduction, filling quality are secure：Stablize due to putting sand concentration, fluctuation is small, then the addition of cement
The fluctuation of amount is also small, and will not lead to the cement-sand ratio ultimately caused because cement additive amount frequently adjusts because of the fluctuation of concentration
Proportioning is inaccurate.Otherwise the addition of such cement is too many, it is of high cost it is not cost-effective (cement cost account for the 85% of entire filling cost with
On), filling intensity is not achieved less for cement addition, and filling quality can not ensure.
In addition, the embodiment of the present invention additionally provides a kind of tailing slurry applied for above-mentioned tailing slurry filling system
Filling process, since the concrete composition portions and the structure of tailing slurry filling system have been described in detail aforementioned, this
In repeat no more.
The tailing slurry filling process includes at least following steps：
S1. thickening is carried out to low concentration tailing slurry using deep wimble thickener 100；
S2. the underflow pump of deep wimble thickener 100 is utilized to handle list at least one sand warehouse 400 for sandpipe 110 by mortar
Member launches high concentration tailing slurry；
Wherein, 400 processing unit of sand warehouse includes two sand warehouses 400, and mortar passes through the first switch valve respectively for sandpipe 110
410 are connected to the dispensing port of two sand warehouses 400 with the second switch valve 420；
Wherein, it is synchronous when the first switch valve 410 is opened so that first sand warehouse 400 is in tailing slurry input state
Ground, the second switch valve 420 are closed so that second sand warehouse 400 is in pulping and sediment outflow state；
When first switch valve 410 closes so that first sand warehouse 400 is in pulping and sediment outflow state, synchronously, second
Switch valve 420 is opened so that and second sand warehouse 400 is in tailing slurry input state.
Wherein, in above-mentioned steps S1, deep wimble thickener 100 can also make overflow clear water be delivered to the storage of production pond, with
It is recycled as mining area head-tank.
In above-mentioned steps S2, mainly in 400 processing unit of sand warehouse being made of two sand warehouses 400, high concentration tailings
Material pulp pumping stops, into sand, switching to another sand warehouse 400 and continuing into sand, do not interfere with each other with sand is put into sand after expiring a storehouse, and deep cone is dense
Close machine 100 can continuous 24 hours into sand, sand supplying best effort system, promote treatment effeciency.
In addition, in step s 2, when pulp making device 200 is in pulping state, intake valve 260 is opened, air outlet valve 270 closes
It closes, so that gas is expelled to pulping in the slurry in sand warehouse 400 by the spray nozzle device 250 on pulping pipe；
After pulping process, air outlet valve 270 is opened, so that the impurity and sewage in pulping pipe are expelled to pulping pipeline
240, and then pulping pipeline 240 is emptied, realize the effect of self-cleaning.
Meanwhile the stepped multiple drainage pipelines 430 being arranged in sand warehouse 400 can will be pumped into sand warehouse 400
Tailing slurry concentration improves, and drainage pipeline 430 and valve is installed in different height in sand warehouse 400, when the tailings material in sand warehouse 400
After slurry sedimentation, corresponding height valve is opened, the primary water of 430 respective heights of drainage pipeline or more is discharged, to improve sand warehouse
Overall density in 400.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of tailing slurry filling system, which is characterized in that including：Deep wimble thickener, pulp making device, feeder and extremely
A few sand warehouse；
The deep wimble thickener can make overflow clear water be delivered to production water to carry out thickening to low concentration tailing slurry
Pond stores, and the underflow pump of deep wimble thickener is connected to the feeding port of the sand warehouse by mortar for sandpipe, at least one described
High concentration tailing slurry is launched in sand warehouse；
Bottom position is arranged in the sand warehouse in the pulp making device, and the feeder is filled by steam line and the pulping
Connection is set, the pulp making device can carry out slurry in sand warehouse pulping of calming the anger, and the pulp making device bottom, which is also connected to, puts sandpipe
To discharge tailings.
2. tailing slurry filling system according to claim 1, which is characterized in that the sand warehouse is arranged two, and mortar supplies
Sandpipe is connected to the dispensing port of two sand warehouses by the first switch valve and the second switch valve respectively；
Wherein, when the first switch valve is opened so that first sand warehouse is in tailing slurry input state, synchronously, the second switching
Valve is closed so that second sand warehouse is in pulping and sediment outflow state；
When first switch valve closes so that first sand warehouse is in pulping and sediment outflow state, synchronously, the second switch valve is opened
It opens so that and second sand warehouse is in tailing slurry input state.
3. tailing slurry filling system according to claim 1, which is characterized in that the pulp making device includes air inlet pipe
Road, outlet pipe, the pulping pipeline of plate-like and multiple spray nozzle devices, described in described admission line one end is connected to by intake valve
Steam line, the other end are connected to the air inlet of the pulping pipeline, and the outlet pipe passes through air outlet valve and the pulping pipeline
Gas outlet connection；Multiple spray nozzle devices are distributed on the pulping pipeline and are connected to the pulping pipeline.
4. tailing slurry filling system according to claim 3, which is characterized in that the pulp making device is in pulping state
When, the intake valve is opened, air outlet valve is closed, so that gas is expelled to by the spray nozzle device on pulping pipe in the slurry in sand warehouse
Pulping；
After pulping, air outlet valve is opened, so that the impurity and sewage in pulping pipe are expelled to pulping pipeline.
5. tailing slurry filling system according to claim 1, which is characterized in that further include more with valvular draining
Pipeline, multiple drainage pipelines are arranged in the sand warehouse close to upper position, the overflow clear water of corresponding height is discharged.
6. tailing slurry filling system according to claim 5, which is characterized in that the more drainage pipelines are along sand warehouse height
Spend the increasing lengths in direction into a ladder.
7. tailing slurry filling system according to claim 5, which is characterized in that more drainage pipeline outlet difference
It is connected to collector pipe, to export clarification overflow water to producing pond by collector pipe.
8. tailing slurry filling system according to claim 1, which is characterized in that the entrance of the deep wimble thickener is connected to
Mortar sand-feeding tube is to input low concentration tailing slurry.
9. tailing slurry filling system according to claim 1, which is characterized in that the feeder includes at least one
Air compressor machine and at least one air accumulator being connected to by pipeline with the air compressor machine, the gas outlet of the air accumulator and air supply pipe
Road is connected to.
10. a kind of tailing slurry filling process, which is characterized in that include the following steps：
S1. thickening is carried out to low concentration tailing slurry using deep wimble thickener；
S2. the underflow pump of deep wimble thickener is utilized to launch high concentration tail at least one sand warehouse processing unit for sandpipe by mortar
Sand slurry；
Wherein, the sand warehouse processing unit includes two sand warehouses, and mortar is cut by the first switch valve and second respectively for sandpipe
Change the dispensing port that valve is connected to two sand warehouses；
Wherein, when the first switch valve is opened so that first sand warehouse is in tailing slurry input state, synchronously, the second switching
Valve is closed so that second sand warehouse is in pulping and sediment outflow state；
When first switch valve closes so that first sand warehouse is in pulping and sediment outflow state, synchronously, the second switch valve is opened
It opens so that and second sand warehouse is in tailing slurry input state.
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| CN201810631975.2A CN108547659A (en) | 2018-06-19 | 2018-06-19 | Tailing slurry filling system and technique |
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| CN114949943A (en) * | 2022-06-17 | 2022-08-30 | 紫金(长沙)工程技术有限公司 | Tailing concentrating system |
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