CN210999351U - Filling system of accurate measurement of filling material - Google Patents
Filling system of accurate measurement of filling material Download PDFInfo
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- CN210999351U CN210999351U CN201921270354.2U CN201921270354U CN210999351U CN 210999351 U CN210999351 U CN 210999351U CN 201921270354 U CN201921270354 U CN 201921270354U CN 210999351 U CN210999351 U CN 210999351U
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Abstract
The utility model provides a filling system of accurate measurement of filling material, including filling material's feed, measurement system, filling ground paste preparation system, filling material's feed carries the preparation ground paste to filling ground paste preparation system after the measurement system carries out accurate measurement, filling material preparation system includes vertical flexible mixer, is equipped with the flexible stirring vane of chain on the vertical flexible mixer. The filling materials are accurately metered by adopting a filling material accurate metering method, so that accurate feeding of the filling materials is realized, the metered filling materials are fully stirred to prepare filling slurry, the stability of the ratio fluctuation of the filling materials and the fluctuation range of the ratio fluctuation of the filling materials are effectively controlled, the fluctuation range of the concentration and the flow of the filling slurry is reduced, the preparation of high-concentration cemented filling slurry is conveniently realized, and the quality stability of the preparation of the filling slurry is improved.
Description
Technical Field
The invention relates to the technical field of mine filling, in particular to a filling system for accurately metering filling materials.
Background
In recent years, the economic development of China is rapid, and the demand of various mineral products is continuously increased. Research data shows that the metal mine tailings become one of the large solid wastes with the largest output and the lowest comprehensive utilization rate in China at present, the accumulated stockpiling is more than 100 hundred million t, the annual output reaches 12 hundred million t, the annual output accounts for more than 50% of the tailings output all over the world, and the comprehensive utilization rate of the tailings is only 13.3%. Most tailings are directly discharged into a tailing pond, the tailings contain mercury, arsenic and other heavy metal ions, flotation substances and PH values exceed the standard, and the environment is seriously polluted. The direct pollution area caused by the tailings reaches million acres, the annual economic loss is about 300 million yuan, wherein 10 to 15 million yuan is spent for stockpiling the tailings every year, and 15 to 25 million yuan is spent for maintaining a tailings pond. The tailings pond is a latent danger source, and in 2017 in 2005, the environment pollution and the safety accidents happen to more than 80 people in the national tailings pond, and 400 people die and are lost. The twelfth national Committee for general Committee of the people representative of the congress in 2016 formally starts to collect the environmental protection tax through the environmental protection tax Law of the people's republic of China in the twenty-fifth meeting in 12 months and 25 months in 2016, and the tax department starts to collect the environmental protection tax in 1 month in 2018, so that the waste discharge cost of enterprises is further increased.
The goaf is timely filled by adopting a filling mining method, and the most effective large-scale resource comprehensive utilization way is provided for industrial solid wastes such as tailings and the like, so that the occupied area for stacking the tailings is greatly reduced, and the pollution and damage to the mining area and the surrounding environment are reduced. Meanwhile, the collapse of the ground surface of the mining area can be avoided, and the surrounding environment of the mining area can be effectively protected. The filling mining method can also recover mineral resources to the maximum extent, reduce dilution of stopes, and can obviously improve the annual economic benefit and the overall economic benefit of mines compared with other mining methods. Particularly, when high-concentration and high-quality cemented filling is adopted, the method has obvious advantages in the overall safety of ore deposit exploitation, the degree of damage to the mining area and the surrounding environment, the recovery and utilization rate of mineral resources, the technical and economic indexes of the whole process of ore deposit exploitation and the like.
When high-concentration and high-quality cemented filling is adopted, in order to ensure stable and smooth transportation of filling slurry in a pipeline, higher requirements are put forward on a filling system, and if the filling system needs to meet the requirements of high matching precision and small concentration and flow fluctuation of filling materials. The traditional filling system often has the fluctuation because of ratio, concentration and flow etc. and can not realize the preparation of stable high concentration cemented filling ground paste, has restricted the improvement of filling ground paste concentration, has reduced enterprise economic benefits.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned disadvantages of the prior art, and to provide a filling system for accurately metering filling material, which facilitates accurate feeding of filling material and improves the concentration and flow stability of filling slurry.
The technical scheme of the invention is as follows: the accurate metering method of the filling materials comprises the steps of accurately and statically metering different filling materials, controlling a feeder and a weighing sensor on metering equipment to respectively feed and weigh through a control system, controlling the feeding of the weighing sensor to reach a set value, automatically controlling the feeder to stop feeding through the control system, feeding the metering equipment again by the feeder to reach the set value after the filling materials on the metering equipment are conveyed, and controlling a plurality of metering equipment through the control system.
Furthermore, the metering equipment comprises a weighing hopper and a weighing sensor, and the weighing sensor is used for weighing the weight of the filling materials in the weighing hopper.
The filling system adopting the filling material accurate metering method comprises a filling material feeding system, a metering system and a filling slurry preparation system, wherein the filling material feeding system conveys the filling material to the filling slurry preparation system to prepare slurry after the filling material feeding system is accurately metered by the metering system, the filling slurry preparation system comprises a vertical flexible stirring machine, and a chain type flexible stirring blade is arranged on the vertical flexible stirring machine.
Further, the vertical flexible stirring machine also comprises a stirring tank and a stirring shaft, wherein the stirring shaft is arranged in the stirring tank, a chain type flexible stirring blade and a rigid stirring blade are arranged on the stirring shaft, and the chain type flexible stirring blade is positioned above the rigid stirring blade; the bottom of the vertical flexible stirrer is provided with a first discharge valve, and the first discharge valve is connected with a filling slurry conveying system.
Further, the metering system comprises a static metering device, and the static metering device comprises a tailing feeding metering device, a cement feeding static metering device and a water feeding static metering device.
Further, the tailing feeding metering equipment comprises a tailing feeder and a first weighing sensor, the weighing sensor is arranged on a column leg of the tailing feeder, a feeder hopper is arranged on the tailing feeder, a flat belt for conveying tailing is arranged at the lower end of the tailing feeder, an inclined belt for conveying tailing is arranged between the flat belt and the vertical flexible mixer, and the metering range of the first weighing sensor is 1.5-2 t; and an audible and visual alarm is arranged on the tailing feeding metering equipment.
Further, the static metering equipment for cement feeding comprises a cement weighing hopper and a second weighing sensor, the cement weighing hopper is arranged on the frame, the second weighing sensor is arranged on a supporting leg of the frame and used for weighing the weight of cement in the cement weighing hopper, a second discharge valve is arranged at the bottom of the cement weighing hopper, a cement screw conveyor is arranged above the cement weighing hopper, and the metering range of the second weighing sensor is 100-200 kg; the cement weighing hopper is made of metal materials or other hard materials and can be a steel hopper, an alloy hopper or a stainless steel hopper;
the water feeding static metering equipment comprises a water weighing hopper and a third weighing sensor, the third weighing sensor is arranged on a supporting leg of the water weighing hopper, the metering range of the third weighing sensor is 800-1200kg, and the lower end of the water weighing hopper is provided with a third discharge valve; the water weighing hopper is made of metal material or light durable material, and can be a plastic hopper, a stainless steel hopper, an alloy hopper or a steel hopper.
Further, the feeding of the filling material comprises a cement feeding device, a water feeding device and a tailing feeding device.
Further, the cement feeding device comprises a high-level cement bin and a screw conveyor, wherein the screw conveyor is arranged at the lower end of the high-level cement bin and conveys cement into the cement weighing hopper;
the water feeding device comprises a high-level water tank and a water supply pipe, wherein the lower end of the high-level water tank is provided with the water supply pipe, the water supply pipe is provided with an electromagnetic valve or a pneumatic valve, and the water supply pipe conveys water into the water weighing hopper; the lower end of the water weighing hopper is provided with a conveying pipe, a pipeline pump is arranged on the conveying pipe, and water is pumped into the stirrer through the pipeline pump.
And further, the filling slurry conveying system mainly comprises a conveying device, a filling drill hole and an underground pipeline, and the filling slurry enters the conveying device and then is pumped or automatically flows to an area to be filled through the filling drill hole and the underground pipeline system.
The invention has the following characteristics:
1. the accurate metering method of the filling materials is adopted to accurately meter the filling materials, so that accurate feeding of the filling materials is realized, the metered filling materials are fully stirred to be made into filling slurry, the fluctuation stability and fluctuation range of the proportioning of the filling materials are effectively controlled, the concentration and flowing fluctuation range of the filling slurry are effectively reduced, the fluctuation range is stable and within a controllable range, the preparation of high-concentration cemented filling slurry is convenient to realize, the preparation quality stability of the filling slurry is convenient to improve, and meanwhile, the production efficiency and the economic benefit are convenient to improve.
2. The filling system can realize automatic and intelligent production of the filling slurry, so that each filling material enters the stirrer to prepare the filling slurry according to the set feeding measurement and proportion, the occurrence rate of defective filling slurry is effectively prevented, the production cost and the labor input are conveniently reduced, and the economic benefit is effectively improved.
3. Vertical flexible mixer cochain formula flexible stirring vane's setting, be convenient for carry out abundant breaing up with filling material or the cubic that forms after the filling material mixes, the improvement of the stirring efficiency of being convenient for, combine rigidity stirring vane to further break up the tailings filter cake simultaneously, the ground paste stirring, make ground paste in stirring jar up-and-down reciprocating motion, can be clockwise or anticlockwise reciprocating motion simultaneously, do benefit to the more extensive contact ground paste of chain flexible stirring vane, further improve stirring effect.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the filling system according to the present invention;
FIG. 2 is a schematic view of the vertical flexible stirring machine shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the tailing feeder in FIG. 1;
FIG. 4 is a schematic structural view of the cement feeding device in FIG. 1;
FIG. 5 is a schematic view of the water feeding device in FIG. 1;
1-a high-level water tank, 2-an electromagnetic valve, 3-a cement weighing hopper, 4-a water weighing hopper, 5-an inclined belt, 6-a tailing feeder, 7-a loader, 8-tailing, 9-a flat belt, 10-a downhole pipeline, 11-a trailer pump, 12-a pump hopper, 13-a chain flexible stirring blade, 14-a vertical flexible stirrer, 15-a screw conveyor, 16-a cement bin, 17-a belt pulley, 18-a feed inlet, 19-a stirring shaft, 20-a rigid stirring blade, 21-a first discharge valve, 22-a shaft sleeve, 23-a driving device, 24-a stirring brush, 25-a rotating shaft, 26-a driving motor, 27-a first weighing sensor, 28-an audible and visual alarm, 29-a pull rod, 30-a second weighing sensor, 31-a frame, 32-a second discharge valve, 33-a third discharge valve, 34-a third weighing sensor.
Detailed Description
As shown in fig. 1-5: the accurate metering method of the filling material comprises the steps of accurately and statically metering different filling materials, feeding and weighing a feeder and a weighing sensor on a metering device under the control of a control system respectively, wherein the weighing sensor is used for metering to reach a set value, the control system automatically controls the feeder to stop feeding, after the filling material on the metering device is conveyed, the feeder feeds the metering device again to reach the set value, according to the requirement of preparation of the filling slurry, the filling material can be repeatedly carried out through the control of a controller in the mode, the efficiency and the quality of the preparation of the filling slurry are improved, the mass production of the filling slurry is facilitated, and the control system controls a plurality of metering devices.
The metering equipment comprises a weighing hopper and a weighing sensor, wherein the weighing sensor is used for weighing the weight of the filling material in the weighing hopper, so that the weight of the filling material in the stirring tank can be effectively controlled, the concentration of the filling slurry can be accurately controlled, the influence on the quality of the filling slurry due to too much or too little filling material can be effectively avoided, and the application range of the filling slurry is effectively improved.
The filling system adopting the filling material accurate metering method comprises a filling material feeding system, a metering system and a filling slurry preparation system, wherein the filling material feeding system is used for conveying the filling material to the filling slurry preparation system to prepare slurry after the filling material feeding system is accurately metered by the metering system, the filling slurry preparation system comprises a vertical flexible stirring machine 14, and a chain type flexible stirring blade 13 is arranged on the vertical flexible stirring machine 14.
The metering system comprises static metering equipment, and the static metering equipment comprises tailing feeding metering equipment, cement feeding static metering equipment and water feeding static metering equipment.
The feeding of the filling material comprises a cement feeding device, a water feeding device and a tailing feeding device.
The vertical flexible stirring machine 14 further comprises a stirring tank and a stirring shaft 19, wherein the stirring shaft 19 is arranged in the stirring tank, the stirring shaft 19 is provided with a chain type flexible stirring blade 13 and a rigid stirring blade 20, and the chain type flexible stirring blade 13 is positioned above the rigid stirring blade 20; the rigid stirring blade 20 is in a propeller shape and can be arranged into other shapes according to the requirement of stirring filling materials; the stirring efficiency and the service life of the rigid stirring blade 20 are facilitated; the chain type flexible stirring blade 13 is in a transmission chain or plate type chain structure, and other materials and structures can be adopted for the chain type flexible stirring blade 13; the chain type flexible stirring blade 13 in the embodiment is a transmission chain, and the middle part of the transmission chain is welded on the stirring shaft 19 or is fixedly connected with the stirring shaft 19 through a fixing clamp; the chain type flexible stirring blades 13 can be arranged in a plurality of strips, or the chain type flexible stirring blades 13 can be arranged on two sides of a shaft sleeve 22, and the shaft sleeve 22 is welded or fixed on the stirring shaft 19 by adopting bolts; the transmission chain is driven by the driving device 23 to rotate at a high speed to contact with the tailings 8, so that the tailings 8 are subjected to impact forces in different directions, and tailings filter cakes or filling materials are formed into blocks and are fully scattered; the bottom of the vertical flexible mixer 14 is provided with a first discharge valve 21, and the first discharge valve 21 is connected with a filling slurry conveying system.
The vertical flexible stirring machine 14 also comprises a belt pulley 17 provided with an upper end of a stirring shaft 19, the belt pulley 17 is in belt connection with a driving device 23, a feeding hole 18 is arranged at the upper end of the vertical flexible stirring machine 14, the feeding hole 18 is provided with a grid screen, and the feeding hole 18 comprises a water inlet, a cement inlet and a tailing inlet; the filling material is filtered through a mesh screen from each inlet 18 and then stirred in the vertical flexible stirrer 14.
In the stirring process, the stirring shaft 19 drives the chain type flexible stirring blade 13 and the rigid stirring blade 20 to rotate at a high speed. In this process, high-speed pivoted chain flexible mixing blade 13 can be broken up the tailings filter cake fully, and rigidity stirring vane 20 is in addition further broken up the tailings filter cake, the ground paste stirring is even, still plays the ground paste that rolls, makes ground paste reciprocating motion, can be clockwise or anticlockwise reciprocating motion simultaneously in the agitator tank, does benefit to chain flexible mixing blade 13 wider contact ground paste, further improves the stirring effect.
The metering system comprises static metering equipment, and the static metering equipment comprises tailing feeding metering equipment, cement feeding static metering equipment and water feeding static metering equipment.
The tailing feeding metering equipment comprises a tailing feeder 6 and a first weighing sensor 27, the weighing sensor is arranged on a column leg of the tailing feeder 6, a feeder hopper is arranged on the tailing feeder 6, a flat belt 9 used for conveying tailing 8 is arranged at the lower end of the feeder hopper, an inclined belt 5 used for conveying the tailing 8 is arranged between the flat belt 9 and a vertical flexible stirrer 14, and the metering range of the first weighing sensor 27 is 1.5-2 t; and an audible and visual alarm 28 is arranged on the tailing feeding metering equipment.
In another embodiment, a stirring brush 24 is arranged in the hopper of the tailing feeder 6, the stirring brush 24 is uniformly distributed on the periphery of a rotating shaft 25, the stirring brush 24 is welded and fixed with the rotating shaft 25, the rotating shaft 25 is driven by a driving motor 26 arranged on one side of the hopper of the tailing feeder 6, conveying of tailing 8 in the hopper of the tailing feeder 6 is facilitated, and the phenomenon that the tailing 8 is accumulated in the hopper of the tailing feeder 6 and does not fall down to influence preparation of filling slurry is avoided.
When the tailing sand feeding device is used, the filtered or filter-pressed tailing sand 8 is fed into a feeder hopper, the tailing sand 8 is measured through the first weighing sensor 27, and feeding is stopped when the measuring value of the first weighing sensor 27 reaches or exceeds the set value of the control system;
when the tailings 8 on the tailings feeder 6 exceed the set value, the flat belt 9 at the lower end of the control system automatic control feeder is started to rotate rightwards and send out the redundant tailings 8 until the static accurate metering value of the first weighing sensor 27 reaches the set value, the control system automatically stops the operation of the flat belt 9, the feeding of the tailings 8 is finished, and therefore the accurate metering of the tailings 8 is realized. The tailings 8 of accurate measurement are conveyed to the stirrer through the inclined belt 5, the flat belt 9 is started to run to the left in the conveying process, the tailings 8 are conveyed to the inclined belt 5 on the left side of the tailings, and then the tailings are conveyed to the stirrer through the inclined belt 5.
In the metering and conveying process of the tailings 8, the feeding of the tailing 8 feeding device is not allowed, the tailing feeding device is a loader 7 in the embodiment, and the tailings 8 can be conveyed by a belt for accurate feeding; in order to prompt the loading and unloading of the loader 7, an audible and visual alarm 28 is arranged on the tailing feeder 6, the metering value of the first weighing sensor 27 reaches or exceeds a set value, and a warning is sent out during the operation of the flat belt 9 to prompt that the loading is forbidden at the moment.
The static cement feeding metering equipment comprises a cement weighing hopper 3 and a second weighing sensor 30, wherein the cement weighing hopper 3 is arranged on a frame 31, the second weighing sensor 30 is arranged on a supporting leg of the frame 31 and used for weighing the weight of cement in the cement weighing hopper 3, a second discharge valve 32 is arranged at the bottom of the cement weighing hopper 3, a cement screw conveyor 15 is arranged above the cement weighing hopper 3, and the metering range of the second weighing sensor 30 is 100-800 kg; the cement weighing hopper 3 is a steel hopper, an alloy hopper or a stainless steel hopper, so that the service life of the cement weighing hopper 3 is prolonged conveniently.
In another embodiment, the static metering equipment for cement feeding comprises a cement weighing hopper 3 and a second weighing sensor 30, wherein the cement weighing hopper 3 is suspended on a frame 31 through a plurality of pull rods 29, the second weighing sensor 30 is arranged on each pull rod 29, the metering range of the second weighing sensor 30 is 100-200kg, the cement weighing hopper 3 is a stainless steel hopper, and the volume of the steel hopper is 1 m.
During the use controller control cement feeder carries cement to cement weighing hopper 3 in, cement feeder includes high-order cement bin 16 and screw conveyer 15, screw conveyer 15 locates the lower extreme of high-order cement bin 16, screw conveyer 15 carries cement to cement weighing hopper 3 in, when the numerical value of second weighing sensor 30 reaches the numerical value that control system set for, control system automatic stop screw conveyer 15's pay-off, accomplish the static accurate measurement of cement promptly, then control system control second discharge valve 32, make cement fall into in the agitator automatically.
The water feeding static metering equipment comprises a water weighing hopper 4 and a third weighing sensor 34, wherein the third weighing sensor is arranged on a supporting leg of the water weighing hopper 4, a third discharge valve 33 is arranged at the lower end of the water weighing hopper 4, and the metering range of the third weighing sensor 34 is 800-1200 kg; the water weighing hopper 4 is a plastic hopper, a stainless steel hopper, an alloy hopper or a steel hopper.
When filling water needs to be added, the control system automatically opens the water feeding device, the water feeding device comprises a high-level water tank 1 and a water supply pipe, the lower end of the high-level water tank 1 is provided with the water supply pipe, the water supply pipe is provided with an electromagnetic valve 2 or a pneumatic valve, and the water supply pipe conveys water into a water weighing hopper 4; when the metering value of the third weighing sensor 34 reaches the value set by the control system, the control system automatically closes the pneumatic valve or the electric valve, namely the static metering of water is completed; the lower end of the water weighing hopper 4 is also provided with a conveying pipe, the conveying pipe is connected with a third discharge valve 33, then the third discharge valve 33 is automatically opened by a control system, and the metered water is pumped into the stirrer through a pipeline pump on the conveying pipe in a pressurizing mode.
During the use, the filling material after static accurate measurement is conveyed to the vertical flexible stirring machine 14, high-concentration filling slurry is formed after sufficient stirring, the high-concentration filling slurry after activation stirring is automatically opened by the control system through the first discharge valve 21 at the bottom of the vertical flexible stirring machine 14, and the filling slurry enters the filling slurry conveying system.
The filling slurry conveying system mainly comprises a conveying device, a filling drill hole and an underground pipeline 10, wherein the conveying device is a hopper, and filling slurry enters the hopper or a pump hopper 12 and then is pumped or automatically flows to an area to be filled through the filling drill hole and the underground pipeline 10 system.
In another embodiment, the filling slurry transportation system mainly comprises a transportation device, a filling borehole and a downhole pipeline 10, wherein the transportation device is a drag pump 11, and the filling slurry enters the drag pump 11 and then is pumped or self-flowed to a region to be filled through the filling borehole and the downhole pipeline 10 system, wherein the pumping filling capacity is 60m for thin film cultivation/h, and the self-flowing filling capacity is 80-100m for thin film cultivation/h.
The feeding and metering system, the filling slurry preparation system and the filling slurry conveying system of the filling material are controlled by the control system, so that the automatic intelligent production is facilitated, the processing efficiency is improved, and the quality of the filling slurry preparation is effectively improved.
According to the different technological requirements of filling mining method and dead zone processing during the use, the filling system can adopt the sand-lime ratio 1 in a flexible way: and (4) filling the slurry with the ratio of 4-1:30, wherein the concentration of the filled slurry can reach 70-78% according to the different properties of the tailings 8, and the slurry is in a paste state.
The accurate metering method and the filling system for the filling material realize that: the proportion of the filling material fluctuates by plus or minus 0.5 percent, the concentration of the paste filling slurry fluctuates by plus or minus 0.5 percent, and the flow fluctuates by plus or minus 1 percent.
The working principle of the invention is as follows: the filling materials are accurately metered by adopting an accurate metering method, the feeding weight of each filling material is controlled according to a numerical value set by a control system, the metered filling materials are conveyed into a stirrer to be fully stirred, the stirred and activated filling slurry is conveyed to an area needing to be filled, and the proportion, the concentration and the flow of the filling slurry prepared by the filling slurry can be accurately controlled according to the filling requirement, so that the proportion of the filling materials fluctuates by +/-0.5%, the concentration of the paste filling slurry fluctuates by +/-0.5% and the flow fluctuates by +/-1%; the method is convenient for realizing the preparation of the stable high-concentration cemented filling slurry, effectively improves the preparation quality of the filling slurry and the wide application of the filling slurry, realizes the automatic batch production, reduces the labor and production cost, and is convenient for improving the economic benefit.
The preferred embodiments of the present invention have been described in detail above, but it is apparent that the present invention is not limited to the above embodiments. Within the scope of the technical idea of the invention, many equivalent modifications can be made to the technical solution of the invention, and these equivalent modifications are all within the protection scope of the invention. In addition, it should be noted that the respective technical features described in the above-described embodiments may be separately and independently combined as long as they are within the technical concept of the present invention.
Claims (8)
1. The utility model provides a filling system of accurate measurement of filling material, includes filling material's feed, measurement system, fills ground paste preparation system, and after filling material's feed carried out accurate measurement through measurement system, preparation ground paste in carrying filling material to filling ground paste preparation system, its characterized in that: the filling slurry preparation system comprises a vertical flexible stirring machine, and chain type flexible stirring blades are arranged on the vertical flexible stirring machine.
2. The filling system for precise metering of filling material according to claim 1, wherein: the vertical flexible stirring machine also comprises a stirring tank and a stirring shaft, wherein the stirring shaft is arranged in the stirring tank, the stirring shaft is provided with a chain type flexible stirring blade and a rigid stirring blade, and the chain type flexible stirring blade is positioned above the rigid stirring blade; the bottom of the vertical flexible stirrer is provided with a first discharge valve, and the first discharge valve is connected with a filling slurry conveying system.
3. The filling system for precise metering of filling material according to claim 1, wherein: the metering system comprises static metering equipment, and the static metering equipment comprises tailing feeding metering equipment, cement feeding static metering equipment and water feeding static metering equipment.
4. The filling system for precise metering of filling material according to claim 3, wherein: the tailing feeding metering equipment comprises a tailing feeder and a first weighing sensor, the first weighing sensor is arranged on a column leg of the tailing feeder, a feeder hopper is arranged on the tailing feeder, a flat belt for conveying tailing is arranged at the lower end of the tailing feeder, and an inclined belt for conveying tailing is arranged between the flat belt and the vertical flexible mixer; and an audible and visual alarm is arranged on the tailing feeding metering equipment.
5. The filling system for precise metering of filling material according to claim 4, wherein: the cement feeding static metering equipment comprises a cement weighing hopper and a second weighing sensor, the cement weighing hopper is arranged on the frame, the second weighing sensor is arranged on a supporting leg of the frame and used for weighing the weight of cement in the cement weighing hopper, a second discharge valve is arranged at the bottom of the cement weighing hopper, and a cement spiral conveyor is arranged above the cement weighing hopper;
the water feeding static metering equipment comprises a water weighing hopper and a third weighing sensor, the third weighing sensor is arranged on a supporting leg of the water weighing hopper, and a third discharge valve is arranged at the lower end of the water weighing hopper.
6. The filling system for precise metering of filling material according to claim 1, wherein: the feeding of the filling material comprises a cement feeding device, a water feeding device and a tailing feeding device.
7. The filling system for precise metering of filling material according to claim 6, wherein: the cement feeding device comprises a high-level cement bin and a screw conveyor, wherein the screw conveyor is arranged at the lower end of the high-level cement bin and conveys cement into a cement weighing hopper;
the water feeding device comprises a high-level water tank and a water supply pipe, wherein the water supply pipe is arranged at the lower end of the high-level water tank, an electromagnetic valve is arranged on the water supply pipe, and the water supply pipe conveys water into the water weighing hopper.
8. The filling system for precise metering of filling material according to claim 3, wherein: the filling slurry conveying system comprises a conveying device, a filling drill hole and an underground pipeline, and the filling slurry enters the hopper and then is pumped or automatically flows to an area to be filled through the filling drill hole and the underground pipeline system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921270354.2U CN210999351U (en) | 2019-08-07 | 2019-08-07 | Filling system of accurate measurement of filling material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921270354.2U CN210999351U (en) | 2019-08-07 | 2019-08-07 | Filling system of accurate measurement of filling material |
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| CN210999351U true CN210999351U (en) | 2020-07-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341039A (en) * | 2019-08-07 | 2019-10-18 | 长沙矿山研究院有限责任公司 | A kind of accurate metering method of filler and filling system |
| CN111775337A (en) * | 2020-07-29 | 2020-10-16 | 中钢集团马鞍山矿山研究总院股份有限公司 | Combined type dry material hauling accurate conveying and filling station suitable for mine filling system |
-
2019
- 2019-08-07 CN CN201921270354.2U patent/CN210999351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341039A (en) * | 2019-08-07 | 2019-10-18 | 长沙矿山研究院有限责任公司 | A kind of accurate metering method of filler and filling system |
| CN111775337A (en) * | 2020-07-29 | 2020-10-16 | 中钢集团马鞍山矿山研究总院股份有限公司 | Combined type dry material hauling accurate conveying and filling station suitable for mine filling system |
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