CN111498519A - Ore and waste stone double-chute device of skip inclined shaft - Google Patents
Ore and waste stone double-chute device of skip inclined shaft Download PDFInfo
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- CN111498519A CN111498519A CN202010338403.2A CN202010338403A CN111498519A CN 111498519 A CN111498519 A CN 111498519A CN 202010338403 A CN202010338403 A CN 202010338403A CN 111498519 A CN111498519 A CN 111498519A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G63/00—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations
- B65G63/008—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations for bulk material
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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
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
Abstract
The invention provides an ore and waste rock double-chute device of a skip inclined shaft, which comprises an ore unloading station, wherein an ore chute is arranged at the lower side of the ore unloading station; the useless stone unloading station, useless stone unloading station downside set up the useless stone drop shaft, and useless stone unloading station downside sets up the vibration ore drawing machine, and the useless stone falls through useless stone unloading station and unloads to useless stone drop shaft temporary storage, and it is right through the vibration ore drawing machine the skip loading, the skip is full-load to finish the back, promotes to upper portion middle section or earth's surface through the skip inclined shaft.
Description
Technical Field
The invention relates to the technical field of ore mining, in particular to an ore barren rock double-pass shaft device of a skip inclined shaft.
Background
The skip inclined shaft is an exploitation mode commonly adopted by underground mines at present, has the advantages of high lifting efficiency, low investment and short construction period, and is also commonly used as a main lifting shaft in a mine lifting system.
However, the stage orepasses of the conventional skip hoisting system mostly adopt a single-orepass arrangement form, even if a double-skip inclined shaft is adopted, the loading form of a single-orepass double-vibration ore drawing machine is adopted, the arrangement form cannot meet the requirement of hoisting ores and waste rocks respectively in mine production, the mode of switching the orepasses and ore bins is required to realize hoisting of the ores and the waste rocks, the hoisting efficiency is limited, and secondary dilution of the ores is easily caused.
Disclosure of Invention
The invention aims to provide an ore and waste rock double-pass shaft device of a skip inclined shaft to solve the technical problem.
In order to achieve the purpose, the invention provides an ore and waste rock double-chute device of a skip inclined shaft, which comprises an ore unloading station, wherein an ore chute is arranged at the lower side of the ore unloading station;
the device comprises a waste rock unloading station, a waste rock chute is arranged on the lower side of the waste rock unloading station, a vibration ore drawing machine is arranged on the lower side of the waste rock unloading station, waste rocks are unloaded to the waste rock chute through the waste rock unloading station for temporary storage, the skip bucket is loaded through the vibration ore drawing machine, and the skip bucket is lifted to the upper middle section or the ground surface through a skip bucket inclined shaft after full load is completed;
the ore skip and the waste rock skip are loaded simultaneously, density information of ore and waste rock in the corresponding skip is obtained in the same time period, the ore density K of the corresponding skip and the waste rock density K of the skip are obtained, the ore and the waste rock are compared, if the density difference between the ore and the waste rock is within a preset range Kk, the ore and the waste rock are mixed in at least one skip in the skip of the ore and the waste rock, if the density difference between the corresponding ore density and the waste rock is larger than the preset range Kk, the ore and the waste rock are compared with the preset ore density K0 and the preset waste rock density K0 respectively through the density difference between the ore density and the waste rock, and the density of the ore and the waste rock are qualified in the preset range.
Further, a preset ore density K0 and a preset waste rock density K0 are set, the ore density K obtained in real time and the waste rock density K obtained in real time are set, the difference between the two densities is K-K, the density difference between the two densities is set to be within a preset range Kk (K0-K0) x2, and when the density difference is smaller than the preset range, the ore and the waste rock in at least one skip bucket are mixed.
Further, if the unqualified skip needs to be continuously judged, the difference between the real-time ore density and the standard ore density is obtained, the standard ore density difference is 0.1x K, the difference between the real-time waste rock density and the standard waste rock density is obtained, the standard waste rock density difference is 0.1x k, and if the ore or the waste rock is within the difference range, the corresponding another waste rock or the corresponding ore cannot meet the qualified requirement.
Furthermore, weight strain gauges are arranged at the bottoms of the ore skip and the waste rock skip and used for measuring the weight of ore or waste rock in the skip in real time, height sensors are arranged on the side wall of the skip and used for measuring the height of the ore or waste rock loaded in the skip, and the height and weight information obtained in real time are transmitted to a controller by the two sensors so as to obtain the density of components in the skip; two sensors in the ore skip acquire the weight M of ore in the skip and the average height H of the ore in the skip; two kinds of sensors in the waste rock skip acquire the weight m of waste rocks in the skip and the average height h of the waste rocks in the skip.
Further, the ore density in the ore skip is K ═ a x M/V, where V denotes the ore volume in the skip, V ═ sxh, S denotes the bottom area of the skip, H denotes the average height of the ore in the skip, and a denotes the ore density coefficient;
when the average height H of the ore in the ore skip is obtained, the height sensors obtain height points of the ore surface layer on a plurality of transverse ore surfaces and average the height points to obtain the average height H, and the height points H1, H2 and H3. are detected to obtain the average height H, wherein the average height H of the ore is (H1+ H2+.... + Hn)/n.
Further, the value of the ore density coefficient a and a is less than 1, wherein a is z x (D/D0) x a 0; z represents an ore specie factor, D represents an average diameter of the ore collected in real time, and D0 represents an average diameter of the ore preset.
Where a0 represents a predetermined ore density coefficient with an initial value of 0.7, an ore specie factor z is set, a metallic ore z is set to 0.95, and a non-metallic ore z is set to 0.98.
Further, the average diameter D0 of the preset ore is set to be 50cm, the average diameter D of the ore is obtained in real time, in the obtaining process, an image sensor is arranged in the ore pass to obtain corresponding ore diameter information, the diameter information of N ore images is obtained and used as the average diameter D of the ore in the skip, and N is set to be larger than 10.
Further, the ore density in the waste rock skip is k ═ b x m/v, wherein v represents the volume of waste rock in the skip, v ═ S xh, S represents the bottom area of the skip, h represents the average height of waste rock in the skip, and b represents a waste rock density coefficient; when the average height h of ores in the waste stone skip is obtained, the height sensor obtains height points of the waste stone surface layer on the surfaces of a plurality of transverse ores and obtains the average height h through averaging, and the height points h1, h2 and h3. are detected and obtained, wherein the average height h of the waste stones is (h1+ h2+. 9.. 10. + hn)/n.
Further, the density coefficient b of the waste rocks is that gaps are generated when the granular waste rocks are stacked, the density coefficient b of the waste rocks is determined according to the waste rock granules, and the value of b is less than 1, wherein b is y x (d/d0) x a 0; y represents a waste rock type factor, D represents the average diameter of the waste rocks collected in real time, and D0 represents the average diameter of the preset waste rocks, wherein the waste rock type factor y is set, the metal waste rocks y are set to be 0.95, and the nonmetal waste rocks y are set to be 0.98; the average diameter d0 of the waste rock is set to 45 cm.
Compared with the prior art, the invention has the technical effects that aiming at the problem that the lifting efficiency and the ore dilution are influenced because a single chute is adopted in the skip inclined shaft and the ore and the waste rock are required to be dumped, the arrangement position of the chute is optimized, and ore drawing is carried out by adopting a vibration ore drawing machine, so that the ore and the waste rock are loaded in two chutes respectively.
Compared with the prior art, the invention adopts the technical scheme of ore and waste rock double-pass shaft arrangement, and has the beneficial effects that: the lifting capacity of the skip inclined shaft is increased, the dumping link of ores and waste rocks is eliminated, the effective lifting time is increased by 3-4 hours/day every day, the storage function of the chute is fully exerted, the stable connection of the lifting of the ores and the waste rocks is realized, and the lifting capacity is increased by 20% -30%. The secondary loss that has reduced the ore is barred, and the ore often appears gluing the storehouse condition in the storehouse link is fallen in ore deposit storehouse, and the clearance is not thorough, and remaining ore is arranged according to the barren rock in will sneaking into the barren rock, causes the ore loss. Similarly, the barren rocks are mixed into the ores for similar reasons, so that the ores are secondarily depleted. The invention has the advantages of centralized engineering arrangement, less engineering amount, quick construction and convenient management, and relatively establishes two independent ore and waste rock chute systems.
Particularly, the invention judges the contents of the ore and the waste rock by acquiring the densities of the ore and the waste rock in real time and determining whether the ore and the waste rock meeting the preset requirements can be transmitted or not according to the density difference of the ore and the waste rock. The ore density in the corresponding ore skip is K ═ a x M/V, wherein V represents the ore volume in the skip, V ═ S x H, S represents the bottom area of the skip, H represents the average height of the ore in the skip, and a represents the ore density coefficient. When the average height H of ore in the ore skip is obtained, the height sensor obtains the height points of the ore surface layer on a plurality of transverse ore surfaces and averages to obtain the average height H, and each height point H1, H2 and H3. is detected to obtain the average height H, wherein the average height H of ore is (H1+ H2+. once. + Hn)/n. Setting a to represent an ore density coefficient, wherein gaps are generated when granular waste rocks are stacked, and determining the ore density coefficient a according to ore granules, wherein the value of a is less than 1, and a is z x (D/D0) x a 0; z represents an ore specie factor, D represents an average diameter of the ore collected in real time, and D0 represents an average diameter of the ore preset. Where a0 represents a predetermined ore density coefficient with an initial value of 0.7, an ore specie factor z is set, a metallic ore z is set to 0.95, and a non-metallic ore z is set to 0.98.
The method sets the ore density coefficient a and the ore variety factor z as equivalent coefficients to obtain the real-time ore skip density, and similarly obtains the barren rock density coefficient so as to obtain the density information close to the real density and obtain an accurate calculation result.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic front view of an ore-waste double-pass device of a skip inclined shaft according to an embodiment of the present invention;
FIG. 2 is a left side view schematic diagram of an ore waste dual-pass device of a skip inclined shaft according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a skip of the ore waste double-pass device of the skip inclined shaft according to the embodiment of the present invention.
Detailed Description
Preferred embodiments of the invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the invention, and do not limit the scope of the invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, it is a schematic structural diagram of an ore-barren double-chute device of a skip inclined shaft according to an embodiment of the present invention, the device includes an ore unloading station 4, an ore chute 1 is disposed at a lower side of the ore unloading station, a vibration ore-drawing machine 7 is disposed at a lower side of the ore chute 1, ore is unloaded to the ore chute 1 through the ore unloading station 4 for temporary storage, a skip 6 is loaded through the vibration ore-drawing machine 7, and the skip 6 is lifted to an upper middle section or the ground surface through the skip inclined shaft 5 after full loading is completed.
Continuing to refer to fig. 1, the device of the embodiment comprises a waste rock unloading station 3, a waste rock chute 2 is arranged at the lower side of the waste rock unloading station 3, a vibration ore drawing machine 7 is arranged at the lower side of the waste rock unloading station 3, waste rocks are unloaded to the waste rock chute 2 through the waste rock unloading station 3 for temporary storage, then the waste rocks are loaded to a skip 6 through the vibration ore drawing machine 7, and after the skip 6 is fully loaded, the waste rocks are lifted to the upper middle section or the ground surface through a skip inclined shaft 5.
Specifically, although the embodiment of the present invention employs two unloading stations and corresponding skip 6, in the mining and transportation process, the content of ore and waste rock needs to be determined to determine whether ore and waste rock meeting the preset requirements can be transported.
Referring to fig. 3, which is a schematic structural diagram of a skip according to an embodiment of the present invention, a weight strain gauge 61 is disposed at the bottom of the skip to measure the weight of ore or waste rock inside the skip in real time; be provided with height sensor 62 on the skip lateral wall for the height of the ore or the barren rock of survey skip internal loading, height and weight information transmission that two kinds of sensors will obtain in real time are to the controller in, in order to obtain the density of this skip internal component. The method comprises the following steps that two sensors in an ore skip obtain the weight M of ore in the skip and the average height H of the ore in the skip; two kinds of sensors in the waste rock skip acquire the weight m of waste rocks in the skip and the average height h of the waste rocks in the skip.
Specifically, the ore density in the corresponding ore skip is K ═ a x M/V, where V denotes the ore volume in the skip, V ═ sxh, S denotes the bottom area of the skip, H denotes the average height of the ore in the skip, and a denotes the ore density coefficient. When the average height H of ore in the ore skip is obtained, the height sensor obtains the height points of the ore surface layer on a plurality of transverse ore surfaces and averages to obtain the average height H, and each height point H1, H2 and H3. is detected to obtain the average height H, wherein the average height H of ore is (H1+ H2+. once. + Hn)/n.
Specifically, a in the present embodiment represents an ore density coefficient, a gap is generated when the granulated waste rock is piled up, and the ore density coefficient a is determined according to the ore granules, and a is less than 1, wherein a is z x (D/D0) x a 0; z represents an ore specie factor, D represents an average diameter of the ore collected in real time, and D0 represents an average diameter of the ore preset. Wherein a0 represents a preset ore density coefficient, the initial assignment is 0.7, an ore type factor z is set, a metal ore z is set to 0.95, and a non-metal ore z is set to 0.98; the average diameter D0 of ore is predetermine for 50cm to the settlement, obtains the average diameter D of ore in real time, and in the acquisition process, set up image sensor in the ore pass to obtain corresponding ore diameter information, obtain the diameter information of N ore images and be the average diameter D of the ore in this skip, set up N and be greater than 10.
Specifically, the ore density in the corresponding waste rock skip is k ═ b x m/v, where v represents the volume of waste rock in the skip, v ═ S xh, S represents the bottom area of the skip, h represents the average height of waste rock in the skip, and b represents the waste rock density coefficient. When the average height h of ores in the waste stone skip is obtained, the height sensor obtains height points of the waste stone surface layer on the surfaces of a plurality of transverse ores and obtains the average height h through averaging, and the height points h1, h2 and h3. are detected and obtained, wherein the average height h of the waste stones is (h1+ h2+. 9.. 10. + hn)/n.
Specifically, b in this embodiment represents a density coefficient of waste rocks, gaps are generated when granular waste rocks are stacked, and the density coefficient b of waste rocks is determined according to waste rock granules, wherein the value of b is less than 1, wherein b is y x (d/d0) x a 0; y represents the waste rock type factor, D represents the average diameter of the waste rock collected in real time, and D0 represents the average diameter of the preset waste rock. Setting a waste stone type factor y, setting metal waste stone y to be 0.95 and setting nonmetal waste stone y to be 0.98; the average diameter d0 of presetting barren rock is set to be 45cm, obtains the average diameter d of barren rock in real time, and in the acquisition process, set up image sensor in the barren rock drop shaft to obtain corresponding barren rock diameter information, obtain the diameter information of N barren rock images and regard as the average diameter d of barren rock in this skip.
Specifically, in this embodiment, the ore skip and the waste rock skip are loaded simultaneously, density information of ore and waste rock in the corresponding skip is obtained in the same time period, an ore density K of the corresponding skip and a waste rock density K of the skip are obtained and compared, if a density difference between the two is within a preset range Kk, it is indicated that ore and waste rock are mixed in at least one skip in the skip of the ore and the waste rock, and if the density difference between the corresponding ore density and the waste rock density exceeds the preset range Kk, the ore and the waste rock are qualified by comparing the densities of the two with a preset ore density K0 and a preset waste rock density K0 respectively.
Specifically, the preset ore density K0 is set to 2.73t/m3Presetting the density of waste stoneThe degree k0 is 2.56t/m3. The method comprises the steps of setting an ore density K obtained in real time and a waste rock density K obtained in real time, wherein the difference between the two is K-K, setting the density difference between the two within a preset range Kk which is (K0-K0) x2, when the density difference is smaller than the preset range, mixing ore and waste rock in at least one skip of the ore and the waste rock, and if an unqualified skip needs to be continuously judged, obtaining the difference between the real-time ore density and a standard ore density, wherein the standard ore density difference is 0.1x K, and obtaining the difference between the real-time waste rock density and the standard waste rock density, and the standard waste rock density difference is 0.1x K. And if the ore or the waste rock is within the difference range, the corresponding another waste rock or ore cannot meet the qualified requirement.
Specifically, for the embodiment, if the ore density is greater than the barren rock density, the real-time ore density is smaller than the standard ore density during calculation, and if the real-time ore density exceeds the preset range, the ore is unqualified; and if the real-time waste rock density is smaller than the standard waste rock density and exceeds the preset range, the waste rock is unqualified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a two drop shaft devices of ore barren rock of skip inclined shaft which characterized in that includes:
the ore unloading station is characterized in that an ore chute is arranged on the lower side of the ore unloading station, a vibration ore drawing machine is arranged on the lower side of the ore chute, ores are unloaded to the ore chute through the ore unloading station and temporarily stored, then the skip is loaded through the vibration ore drawing machine, and after full load of the skip is completed, the skip is lifted to the upper middle section or the ground surface through the skip inclined shaft;
the device comprises a waste rock unloading station, a waste rock chute is arranged on the lower side of the waste rock unloading station, a vibration ore drawing machine is arranged on the lower side of the waste rock unloading station, waste rocks are unloaded to the waste rock chute through the waste rock unloading station for temporary storage, the skip bucket is loaded through the vibration ore drawing machine, and the skip bucket is lifted to the upper middle section or the ground surface through a skip bucket inclined shaft after full load is completed;
the ore skip and the waste rock skip are loaded simultaneously, density information of ore and waste rock in the corresponding skip is obtained in the same time period, the ore density K of the corresponding skip and the waste rock density K of the skip are obtained, the ore and the waste rock are compared, if the density difference between the ore and the waste rock is within a preset range Kk, the ore and the waste rock are mixed in at least one skip in the skip of the ore and the waste rock, if the density difference between the corresponding ore density and the waste rock is larger than the preset range Kk, the ore and the waste rock are compared with the preset ore density K0 and the preset waste rock density K0 respectively through the density difference between the ore density and the waste rock, and the density of the ore and the waste rock are qualified in the preset range.
2. The ore-barren double-pass apparatus for the skip slope according to claim 1, wherein a predetermined ore density K0, a predetermined barren rock density K0, a real-time ore density K, and a real-time barren rock density K are set, a difference between the two densities is K-K, the density difference between the two densities is set to be within a predetermined range Kk, (K0-K0) x2, and when the density difference is smaller than the predetermined range, the ore and the barren rock in at least one skip are mixed.
3. The ore-barren double-pass shaft device of the skip inclined shaft according to claim 2, wherein if the unqualified skip needs to be continuously judged, the difference between the real-time ore density and the standard ore density is obtained, the standard ore density difference is 0.1x K, the difference between the real-time barren rock density and the standard barren rock density is obtained, the standard barren rock density difference is 0.1x k, and if the ore or the barren rock is within the difference range, the corresponding another barren rock or the ore cannot meet the qualified requirement.
4. The ore-barren double-chute device of the skip inclined shaft according to claim 3, wherein weight strain gauges are arranged at bottoms of the ore skip and the barren skip to measure the weight of ore or barren rock inside the skip in real time, height sensors are arranged on side walls of the skip to measure the height of ore or barren rock loaded in the skip, and the height and weight information obtained in real time by the two sensors are transmitted to a controller to obtain the density of components in the skip.
5. The ore-destroying dual-chute apparatus of the skip slope according to claim 4, wherein two types of sensors within the ore skip obtain a weight M of ore within the skip and an average height H of ore within the skip; two kinds of sensors in the waste rock skip acquire the weight m of waste rocks in the skip and the average height h of the waste rocks in the skip.
6. The ore-scrapping dual-pass device of the inclined shaft of the skip according to claim 5, wherein the ore density in the ore skip is K ═ a x M/V, wherein V represents the ore volume in the skip, V ═ S x H, S represents the bottom area of the skip, H represents the average height of the ore in the skip, and a represents the ore density coefficient;
when the average height H of the ore in the ore skip is obtained, the height sensors obtain height points of the ore surface layer on a plurality of transverse ore surfaces and average the height points to obtain the average height H, and the height points H1, H2 and H3. are detected to obtain the average height H, wherein the average height H of the ore is (H1+ H2+.... + Hn)/n.
7. The ore-scrapping double-pass device for the skip inclined shaft according to claim 5, wherein the ore density coefficient a, a is less than 1, wherein a is z x (D/D0) x a 0; z represents an ore specie factor, D represents an average diameter of the ore collected in real time, and D0 represents an average diameter of the ore preset.
Where a0 represents a predetermined ore density coefficient with an initial value of 0.7, an ore specie factor z is set, a metallic ore z is set to 0.95, and a non-metallic ore z is set to 0.98.
8. The ore waste double-pass device of the skip inclined shaft according to claim 7, wherein the average diameter D0 of the ore is preset to be 50cm, the average diameter D of the ore is obtained in real time, during the obtaining process, an image sensor is arranged in the ore pass to obtain corresponding ore diameter information, diameter information of N ore images is obtained to serve as the average diameter D of the ore in the skip, and N is set to be larger than 10.
9. The ore-barren double-chute apparatus for the skip inclined shaft according to claim 7, wherein the ore density in the barren skip is k ═ b x m/v, where v denotes a volume of barren rock in the skip, v ═ S xh, S denotes a bottom area of the skip, h denotes an average height of barren rock in the skip, and b denotes a barren rock density coefficient; when the average height h of ores in the waste stone skip is obtained, the height sensor obtains height points of the waste stone surface layer on the surfaces of a plurality of transverse ores and obtains the average height h through averaging, and the height points h1, h2 and h3. are detected and obtained, wherein the average height h of the waste stones is (h1+ h2+. 9.. 10. + hn)/n.
10. The ore-barren double-ore pass device of the skip inclined shaft according to claim 9, wherein the barren rock density coefficient b is determined according to barren rock particles, gaps are generated when the barren rock particles are piled up, and the value of the barren rock density coefficient b is less than 1, wherein b is y x (d/d0) x a 0; y represents a waste rock type factor, D represents the average diameter of the waste rocks collected in real time, and D0 represents the average diameter of the preset waste rocks, wherein the waste rock type factor y is set, the metal waste rocks y are set to be 0.95, and the nonmetal waste rocks y are set to be 0.98; the average diameter d0 of the waste rock is set to 45 cm.
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| CN112943354A (en) * | 2021-01-27 | 2021-06-11 | 兖州中材建设有限公司 | Raw ore draw shaft system and construction method thereof |
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| JPH1137828A (en) * | 1997-07-16 | 1999-02-12 | Yamato Scale Co Ltd | Correcting apparatus for dynamic measured value |
| CN202441409U (en) * | 2012-02-29 | 2012-09-19 | 山东黄金矿业（玲珑）有限公司 | Orepass dust control mechanism |
| CN203531952U (en) * | 2013-05-29 | 2014-04-09 | 母传伟 | Skip bucket well ore rock separate-loading and separate-carrying system |
| CN105383952A (en) * | 2015-11-13 | 2016-03-09 | 长沙有色冶金设计研究院有限公司 | Automatic mine car mine loading method and system based on online industrial detection |
| CN106768219A (en) * | 2016-12-19 | 2017-05-31 | 国核电力规划设计研究院 | A kind of as-fired coal Weighing system and its weighing technique, method of calibration |
| CN109533842A (en) * | 2018-12-19 | 2019-03-29 | 远安县燎原矿业有限责任公司 | A kind of drop shaft formula ore storage bin automatic assembling and disassembling system and handling method |
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| CN112943354A (en) * | 2021-01-27 | 2021-06-11 | 兖州中材建设有限公司 | Raw ore draw shaft system and construction method thereof |
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