CN110159344A - A kind of mine filling system and filling method thereof - Google Patents
A kind of mine filling system and filling method thereof Download PDFInfo
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- CN110159344A CN110159344A CN201910458466.9A CN201910458466A CN110159344A CN 110159344 A CN110159344 A CN 110159344A CN 201910458466 A CN201910458466 A CN 201910458466A CN 110159344 A CN110159344 A CN 110159344A
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- feed bin
- agitating device
- feed
- discharge port
- filling system
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Classifications
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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
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
-
- 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
- E21F15/06—Filling-up mechanically
Abstract
The present invention relates to a kind of mine filling systems, including the first hopper, first hopper is connected by material lifting device with the first belt conveyor, the end of first belt conveyor sets material crushing device, material crushing device is connected to the first belt conveyor, the lower section of material crushing device is connected to the first feed bin, first feed bin is connected to spiral feeder, spiral feeder is also connected with the second feed bin, the discharge port of spiral feeder is connected to the feed inlet of the first agitating device, the feed inlet of first agitating device also with third feed bin, the discharge port of 4th feed bin is connected to, the discharge port of first agitating device is connect with the feed inlet of the second agitating device, second agitating device connects water pipe, constant displacement pump connection in the other end and water tank of water pipe, high lift Pulp pump is set on the discharge port of second agitating device, connect on high lift Pulp pump It is connected to feed pipe for mortar, feed pipe for mortar is connected to the defeated slurry hole group in the underground beaten in advance.Strong operability of the present invention, practicability is good, is worthy to be popularized.
Description
Technical field
The invention belongs to coal mine gob filling technique fields, and in particular to a kind of mine filling system and its filling side
Method.
Background technique
Since industrial society, demand of the mankind to the energy increasingly increases, and mass energy substance is contained in mine, special
It is not coal, the development in China's future is also very huge to its dependence.
Mining is while bringing mineral resources, and induces geological disaster and pollute the direct factor of environment,
In it is the most outstanding be exactly subsidence, and filling in mine be administer mining subsidence effective means, domestic and foreign scholars to its into
It has gone numerous studies, has proposed many methods, but the integral strength of obturation is poor, and filling cost is big, backfills in coal mine
It also occur that dieseling in the case where dealing with improperly.
Summary of the invention
In view of this, the present invention provides a kind of mine filling system and filling method thereof, to solve in the prior art
Deficiency.
The technical scheme is that
A kind of mine filling system, including the first hopper, first hopper pass through material lifting device and the first belt
Conveyer is connected, and is provided with material crushing device below the end of first belt conveyor, the material crushing device
Feed inlet is opposite with the discharging end of the first belt conveyor, the feed inlet of the discharge port of the material crushing device and the first feed bin
It is connected, the feed inlet of spiral feeder, the feed inlet of the spiral feeder is arranged in the discharge port of first feed bin
It is also connected with the discharge port of the second feed bin, the discharge port of the spiral feeder is connected to the feed inlet of the first agitating device,
The feed inlet of first agitating device is also connected to the discharge port of third feed bin, the 4th feed bin, first agitating device
Discharge port is connect with the feed inlet of the second agitating device, is also connected with water pipe on the feed inlet of second agitating device, described
The other end of water pipe is connected with the constant displacement pump being arranged in water tank, and liquidometer is provided in the water tank, and the water tank connection is outer
The suction pump connect is provided with high lift Pulp pump on the discharge port of second agitating device, connects on the high lift Pulp pump
It is connected to feed pipe for mortar, the feed pipe for mortar is connected to the defeated slurry hole group in the underground beaten in advance, the liquidometer, material lifting device, first
Belt conveyor, material crushing device, spiral feeder, the first agitating device, the second agitating device and high lift Pulp pump
It is electrically connected respectively with power supply and controller, the power supply and controller electrical connection, the controller setting are working
In standing.
Preferably, the material crushing device includes cabinet, is provided with first at the feed inlet on the cabinet top and gathers dust
Device；Material crusher structure is provided in the cabinet, the material crusher structure includes bilateral symmetry on the front-rear side walls of cabinet
Setting two shafts, be provided with broken idler wheel in the middle part of the shaft, be provided on the excircle of the broken idler wheel multiple
Detent projection, the broken idler wheel are connect with shaft by bearing, wherein the bearing on right side holds for dead axle, the bearing in left side is can
Mobile adjustment bearing, the adjustment bearing are connect with buffer spring, and the other end of the buffer spring and the inner wall of cabinet are solid
Fixed connection, one end of right side shaft are fixedly connected with motor output shaft, and the motor is electrically connected with power supply and controller respectively
It connects.
Preferably, the discharge port of first feed bin, the second feed bin, third feed bin and the 4th feed bin is respectively arranged with control
Valve and spiral electron claim, and the spiral electron claims to be electrically connected with the controller by wireless transmitter, the controller respectively with
Control valve and power supply electrical connection, the controller are electrically connected by control button with power supply.
Preferably, the control valve uses electric butterfly valve.
Preferably, first agitating device is twin-shaft mixer, and second agitating device is high-speed mixer.
Preferably, the feed inlet of first agitating device is provided with the second dust-precipitator.
A kind of placement method of mine filling system, comprising the following steps:
Step 1: beating the defeated slurry Kong Qun in underground in advance with orientation km drilling machine, the Kong Qun includes master in the top in goaf
Hole and multiple branched holes, multiple branched holes are evenly arranged on the periphery of main aperture, and main aperture and multiple branched holes are integrally in fan or bouquet
Type is unfolded or extends in parallel；
Step 2: the retardant calcium hydroxide being atomized through main aperture to goaf indentation；
Step 3: pre-install 425# portland cement in the second feed bin, flocculant is pre-installed in third feed bin, in the 4th feed bin
Retardant is pre-installed, pre-installs half chests water in water tank；
Step 4: crude tailings are transported to the first hopper with excavator, crude tailings are via material lifting device and first band
Formula conveyer is sent to material crushing device, and material falls to the first feed bin after crushed, and dust is collected through the first dust-precipitator；
Step 5: the material in the first feed bin and the second feed bin is fallen to after spiral electron weighs weight calculation through control valve
In spiral feeder, send after spiral feeder completes first mixing to the first agitating device；
Step 6: the material in third feed bin and the 4th feed bin is fallen to after spiral electron weighs weight calculation through control valve
In first agitating device, the second agitating device is entered after being stirred for the first time with the material in the first feed bin and the second feed bin
Secondary mixing is carried out, dust enters the second dust-precipitator；
Step 7: completing high speed into being stirred while water filling in the mixed material of the second agitating device and activating
Stir to get filling slurry；
Step 8: slurry is pumped into feed pipe for mortar through high lift Pulp pump, the defeated slurry in the underground through beating in advance enters goaf with Kong Qun；
Step 9: slurry stops defeated slurry after overflowing for the first time；
Step 10: all devices integral shift, repeats the above steps one to step 9, integrally filled out until completing goaf
It fills.
Preferably, the slurry in the step 7, ingredient include crude tailings, 425# portland cement, flocculant, resistanceization
Agent and water, mass ratio 4.8:1.6:0.06:0.04:3.5.
Preferably, the flocculant is aluminum sulfate AL2 (SO4) 3.18H2O in inorganic flocculating agent.
Preferably, the retardant is magnesium chloride.
Compared with prior art, a kind of mine filling system and filling method thereof provided by the invention, not only increases and fills
The integral strength of body is filled out, and filling cost can be significantly reduced, it is suppressed that the generation of spontaneous combustion, strong operability, practicability is good, value
It must promote.
Detailed description of the invention
Fig. 1 is integrally-built structure chart of the invention.
Specific embodiment
The present invention provides a kind of mine filling system and filling method thereofs, below with reference to the structural schematic diagram of Fig. 1, to this
Invention is illustrated.
As shown in Figure 1, a kind of mine filling system provided by the invention, including the first hopper 1, first hopper 1 are logical
It crosses material lifting device 2 to be connected with the first belt conveyor 9, is provided with material below the end of first belt conveyor 9
Crushing device, the feed inlet of the material crushing device is opposite with the discharging end of the first belt conveyor 9, the broken dress of the material
The discharge port set is connected with the feed inlet of the first feed bin 5, and spiral feeder 3 is arranged in the discharge port of first feed bin 5
Feed inlet, the feed inlet of the spiral feeder 3 are also connected with the discharge port of the second feed bin 12, the spiral feeder 3
Discharge port be connected to the feed inlet of the first agitating device 18, the feed inlet of first agitating device 18 also with third feed bin
13, the discharge port connection of the 4th feed bin 15, the feed inlet of the discharge port of first agitating device 18 and the second agitating device 20
It connects, is also connected with water pipe 19 on the feed inlet of second agitating device 20, the other end of the water pipe 19 is connected with setting
Constant displacement pump 17 in water tank 16 is provided with liquidometer in the water tank 16, and the water tank 16 connects external suction pump, described
It is provided with high lift Pulp pump 21 on the discharge port of second agitating device 20, is connected with feed pipe for mortar on the high lift Pulp pump 21
22, the feed pipe for mortar 22 is connected to the defeated slurry hole group in the underground beaten in advance, and the liquidometer, material lifting device 2, the first belt are defeated
Send machine 9, material crushing device, spiral feeder 3, the first agitating device 18, the second agitating device 20 and high lift Pulp pump
21 are electrically connected with power supply and controller respectively, and the power supply and controller electrical connection, the controller are arranged in work
In standing.
Further, the material crushing device includes cabinet 6, is provided with first at the feed inlet on 6 top of cabinet
Dust-precipitator 10；Material crusher structure is provided in the cabinet 6, the material crusher structure includes on the front-rear side walls of cabinet 6
Two shafts 11 of symmetrical setting are provided with broken idler wheel 7, the outer circle of the broken idler wheel 7 in the middle part of the shaft 11
Multiple detent projections are provided on week, the broken idler wheel 7 is connect with shaft 11 by bearing, wherein the bearing on right side is dead axle
Hold, the bearing in left side is moveable adjustment bearing, and the adjustment bearing is connect with buffer spring 8, the buffer spring 8 it is another
One end is fixedly connected with the inner wall of cabinet 6, and one end of right side shaft 11 is fixedly connected with motor output shaft, the motor respectively with
Power supply and controller electrical connection.
Further, the discharge port difference of first feed bin 5, the second feed bin 12, third feed bin 13 and the 4th feed bin 15
It is provided with control valve 4 and spiral electron claims, the spiral electron claims to be electrically connected with the controller by wireless transmitter, the control
Device processed is electrically connected with control valve 4 and power supply respectively, and the controller is electrically connected by control button with power supply.
Further, the control valve uses electric butterfly valve.
Further, first agitating device 18 is twin-shaft mixer, and second agitating device 20 is high-speed stirring
Mix machine.
Further, the feed inlet of first agitating device 18 is provided with the second dust-precipitator 14.
Wherein, the storage for the floating material that the first dust-precipitator 10 and the second dust-precipitator 14 are used to fly upward.
A kind of placement method of mine filling system, comprising the following steps:
Step 1: beating the defeated slurry Kong Qun in underground in advance with orientation km drilling machine, the Kong Qun includes master in the top in goaf
Hole and multiple branched holes, multiple branched holes are evenly arranged on the periphery of main aperture, and main aperture and multiple branched holes are integrally in fan or bouquet
Type is unfolded or extends in parallel；
Step 2: the retardant calcium hydroxide being atomized through main aperture to goaf indentation；
Step 3: pre-installing 425# portland cement in the second feed bin 12, flocculant, the 4th material are pre-installed in third feed bin 13
Retardant is pre-installed in storehouse 15, pre-installs half chests water in water tank 16；
Step 4: crude tailings are transported to the first hopper 1 with excavator, crude tailings are via material lifting device 2 and first
Belt conveyor 9 is sent to material crushing device, and material falls to the first feed bin 5 after crushed, and dust is received through the first dust-precipitator 10
Collection；
Step 5: the material in the first feed bin 5 and the second feed bin 12 is after spiral electron weighs weight calculation through under control valve 4
It drops down onto spiral feeder 3, send after spiral feeder 3 is completed to mix for the first time to the first agitating device 18；
Step 6: the material in third feed bin 13 and the 4th feed bin 15 is after spiral electron weighs weight calculation through control valve 4
It falls in the first agitating device 18, enters after being stirred for the first time with the material in the first feed bin 5 and the second feed bin 12
Second agitating device 20 carries out secondary mixing, and dust enters the second dust-precipitator 14；
Step 7: it is living to complete high speed into being stirred while water filling in the mixed material of the second agitating device 20
Change stirs to get filling slurry；
Step 8: slurry is pumped into feed pipe for mortar 22 through high lift Pulp pump 21, the defeated slurry in the underground through beating in advance is entered with Kong Qun to be adopted
Dead zone；
Step 9: slurry stops defeated slurry after overflowing for the first time；
Step 10: all devices integral shift, repeats the above steps one to step 9, integrally filled out until completing goaf
It fills.
Further, the slurry in the step 7, ingredient include crude tailings, 425# portland cement, flocculant, resistance
Agent and water, mass ratio 4.8:1.6:0.06:0.04:3.5.
Further, the flocculant is aluminum sulfate AL2 (SO4) 3.18H2O in inorganic flocculating agent.
Further, the retardant is magnesium chloride.
Wherein, controller is single-chip microcontroller, model STM8S103F3.
Wherein, for storing the crude tailings that excavator ships in the first hopper 1, crude tailings are mentioned by material lifting device 2
It is fallen in material crushing device after rising on the first belt conveyor 9, crude tailings are after material crushing device is broken, into the
The storage of one feed bin 5, falls into spiral feeder 3 under the discharging of the first feed bin 5, with the 425# portland cement in the second feed bin 12
Enter in the first agitating device 18 after being mixed, with flocculant, the retardant transferred in third feed bin 13 and the 4th feed bin 15
Enter the second agitating device 20 after being stirred for the first time to carry out forming high speed actived slurry, slurry after secondary agitation mixes with water
Material be sent to feed pipe for mortar 22 through high lift Pulp pump 21 again, using feed pipe for mortar 22 through underground it is defeated slurry with Kong Qun enter goaf into
Row filling.
The goaf filler integrally curing after the filling of goaf is carried out using apparatus and method of the present invention, intensity increases
Add, and can inhibit the heating rate of coal self-heating more than goaf, and the free radical in oxidation of coal chain reaction can be captured, contains coal
Low-temperature oxidation.
A kind of mine filling system and filling method thereof of the invention not only increases the integral strength of obturation, and
Filling cost can be significantly reduced, it is suppressed that the generation of spontaneous combustion, strong operability, practicability is good, is worthy to be popularized.
Disclosed above is only preferable specific embodiment of the invention, and still, the embodiment of the present invention is not limited to this,
What anyone skilled in the art can be thought variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of mine filling system, including the first hopper (1), first hopper (1) passes through material lifting device (2) and the
One belt conveyor (9) is connected, which is characterized in that it is broken that material is provided with below the end of first belt conveyor (9)
Device, the feed inlet of the material crushing device is opposite with the discharging end of the first belt conveyor (9), the material crushing device
Discharge port be connected with the feed inlet of the first feed bin (5), the discharge port of first feed bin (5) is arranged in spiral feeder
(3) feed inlet of feed inlet, the spiral feeder (3) is also connected with the discharge port of the second feed bin (12), the spiral
The discharge port of feed device (3) is connected to the feed inlet of the first agitating device (18), the charging of first agitating device (18)
It mouthful is also connected to the discharge port of third feed bin (13), the 4th feed bin (15), the discharge port of first agitating device (18) and the
The feed inlet of two agitating devices (20) connects, and is also connected with water pipe (19), institute on the feed inlet of second agitating device (20)
The other end for stating water pipe (19) is connected with the constant displacement pump (17) being arranged in water tank (16), is provided with liquid level in the water tank (16)
Meter, the water tank (16) connect external suction pump, are provided with high lift slag on the discharge port of second agitating device (20)
Stock pump (21) is connected with feed pipe for mortar (22) on the high lift Pulp pump (21), and the feed pipe for mortar (22) and the underground beaten in advance are defeated
Slurry hole group's connection, the liquidometer, material lifting device (2), the first belt conveyor (9), material crushing device, spiral are sent
Expect device (3), the first agitating device (18), the second agitating device (20) and high lift Pulp pump (21) respectively with power supply and
Controller electrical connection, the power supply and controller electrical connection, the controller are arranged in work station.
2. a kind of mine filling system according to claim 1, which is characterized in that the material crushing device includes cabinet
(6), the first dust-precipitator (10) are provided at the feed inlet on cabinet (6) top；It is broken that material is provided in the cabinet (6)
Mechanism, the material crusher structure includes two shafts (11) of symmetrical setting on the front-rear side walls of cabinet (6), described
It is provided with broken idler wheel (7) in the middle part of shaft (11), is provided with multiple detent projections, institute on the excircle of the broken idler wheel (7)
It states broken idler wheel (7) and is connect with shaft (11) by bearing, wherein the bearing on right side holds for dead axle, the bearing in left side is removable
Adjustment bearing, the adjustment bearing connect with buffer spring (8), and the other end of the buffer spring (8) is interior with cabinet (6)
Wall is fixedly connected, and one end of right side shaft (11) is fixedly connected with motor output shaft, the motor respectively with power supply and control
Device electrical connection processed.
3. a kind of mine filling system according to claim 1, which is characterized in that first feed bin (5), the second feed bin
(12), the discharge port of third feed bin (13) and the 4th feed bin (15) is respectively arranged with control valve (4) and spiral electron claims, the spiral shell
Rotation electronic scale is electrically connected with the controller by wireless transmitter, and the controller is electric with control valve (4) and power supply respectively
Connection, the controller are electrically connected by control button with power supply.
4. a kind of mine filling system according to claim 3, which is characterized in that the control valve uses electric butterfly valve.
5. a kind of mine filling system according to claim 3, which is characterized in that first agitating device (18) is double
Horizontal shaft blender, second agitating device (20) is high-speed mixer.
6. a kind of mine filling system according to claim 1, which is characterized in that first agitating device (18) into
Material mouth is provided with the second dust-precipitator (14).
7. a kind of placement method of mine filling system, which comprises the following steps:
Step 1: in the top in goaf, with orientation km drilling machine beat in advance underground defeated slurry Kong Qun, the Kong Qun include main aperture and
Multiple branched holes, multiple branched holes are evenly arranged on the periphery of main aperture, and main aperture and multiple branched holes are integrally in fan or flower bunch type exhibition
It opens or extends in parallel；
Step 2: the retardant calcium hydroxide being atomized through main aperture to goaf indentation；
Step 3: pre-installing 425# portland cement in the second feed bin (12), flocculant, the 4th material are pre-installed in third feed bin (13)
Retardant is pre-installed in storehouse (15), pre-installs half chests water in water tank (16)；
Step 4: being transported to crude tailings the first hopper (1) with excavator, crude tailings are via material lifting device (2) and first
Belt conveyor (9) is sent to material crushing device, and material falls to the first feed bin (5) after crushed, and dust is through the first dust-precipitator
(10) it collects；
Step 5: the material in the first feed bin (5) and the second feed bin (12) is after spiral electron weighs weight calculation through control valve (4)
It falls in spiral feeder (3), send after spiral feeder (3) complete first mixing to the first agitating device (18)
It is interior；
Step 6: the material in third feed bin (13) and the 4th feed bin (15) is after spiral electron weighs weight calculation through control valve
(4) it falls in the first agitating device (18), it is mixed to carry out first stirring with the material in the first feed bin (5) and the second feed bin (12)
Enter the second agitating device (20) after conjunction and carry out secondary mixing, dust enters the second dust-precipitator (14)；
Step 7: completing high speed into being stirred while water filling in the mixed material of the second agitating device (20) and activating
Stir to get filling slurry；
Step 8: slurry is pumped into feed pipe for mortar (22) through high lift Pulp pump (21), the defeated slurry in the underground through beating in advance is entered with Kong Qun to be adopted
Dead zone；
Step 9: slurry stops defeated slurry after overflowing for the first time；
Step 10: all devices integral shift, repeats the above steps one to step 9, until it is integral-filled to complete goaf.
8. a kind of placement method of mine filling system according to claim 7, which is characterized in that in the step 7
Slurry, ingredient include crude tailings, 425# portland cement, flocculant, retardant and water, mass ratio 4.8:1.6:
0.06:0.04:3.5。
9. a kind of placement method of mine filling system according to claim 8, which is characterized in that the flocculant is nothing
Aluminum sulfate AL2 (SO4) 3.18H2O in machine flocculant.
10. a kind of placement method of mine filling system according to claim 8, which is characterized in that the retardant is
Magnesium chloride.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111636917A (en) * | 2020-05-11 | 2020-09-08 | 北京科技大学 | Multi-stope rapid switching continuous filling device and using method |
| CN112643891A (en) * | 2020-12-21 | 2021-04-13 | 中铁建铜冠投资有限公司 | System and pulping method for pulping and filling dry mine tailings |
| CN115155717A (en) * | 2022-07-05 | 2022-10-11 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Broken mixing arrangement is used to useless filling of coal-based solid |
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| CN111636917A (en) * | 2020-05-11 | 2020-09-08 | 北京科技大学 | Multi-stope rapid switching continuous filling device and using method |
| CN112643891A (en) * | 2020-12-21 | 2021-04-13 | 中铁建铜冠投资有限公司 | System and pulping method for pulping and filling dry mine tailings |
| CN115155717A (en) * | 2022-07-05 | 2022-10-11 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Broken mixing arrangement is used to useless filling of coal-based solid |
| CN115155717B (en) * | 2022-07-05 | 2024-03-29 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Crushing and mixing device for filling coal-based solid waste |
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Application publication date: 20190823 |