CN103754589A - Method and system for transporting bulk materials through high-fall continuous shafts - Google Patents
Method and system for transporting bulk materials through high-fall continuous shafts Download PDFInfo
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- CN103754589A CN103754589A CN201410053810.3A CN201410053810A CN103754589A CN 103754589 A CN103754589 A CN 103754589A CN 201410053810 A CN201410053810 A CN 201410053810A CN 103754589 A CN103754589 A CN 103754589A
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Abstract
The invention discloses a method and system for transporting bulk materials through high-fall continuous shafts. The method includes the following steps of (1) underground cavity group arrangement, (2) equipment installation and (3) material transportation, wherein feeding is performed on each shaft through shaft feeding devices, the materials fall in the shafts through dead weight, feeding machines are used for conveying the materials at the bottoms of the shafts onto adhesive tape machines in flat caverns, the materials are conveyed to an inlet of the next-step shaft through the adhesive tape machines, and continuous transportation is performed step by step until all the materials of loading points are conveyed to an unloading point. The system comprises the shafts and the flat caverns, each shaft and the flat cavity connected to the bottom of the corresponding shaft belong to one step, the number of total steps is two to four, an outlet of the upper step flat cavity is connected with an inlet of the next-step shaft, the shaft feeding devices are arranged at the inlets of the shafts, the feeding machines are installed at the positions where inlets of the flat cavities are connected with the bottoms of the shafts, and the adhesive tape machines are arranged in the flat cavities. The method and system for transporting the bulk materials through the high-fall continuous shafts have the advantages of being safe, capable of saving energy, economical and efficient.
Description
Technical field
The present invention relates to the method and system that carries out bulk material transportation in cliffy mountain, in high drop situation, relate in particular to the continuous shaft transport method of the high drop of bulk material and transport systems.
Background technology
At present, along with the continually developing and utilizing of domestic water electric resources, can mostly be distributed in for the hydroelectric resources of exploitation that some are remote, physical features is completed suddenly, the mountain area of narrow field.The exploitation of main building materials--sandstone aggregate and traffic condition become harsh, and Construction Site Layout, auxiliary enterprise systems organization are arranged with construction and proposed challenge.Transportation to high drop bulk material, traditional transportation mode mainly contains Automobile Transportation and high-power, the descending sealing-tape machine transportation of high spud angle, and in cliffy mountain, these two kinds of transportation modes have following major defect:
Automobile Transportation: need to build entrucking, unloading unit, transportation highway investment cost is high, therefore Automobile Transportation construction cost is high, in some cliffy mountain, it is impossible that the transportation highway construction of large conveying quantity even becomes; Automobile Transportation is loaded vehicle descending, and potential safety hazard is large, and transportation volume is little, and traffic cost is high.
The descending sealing-tape machine transportation of high-power, high spud angle: device fabrication cost is high, erecting equipment need add to be made and steel structural upright column and truss is installed, and installation difficulty is large, and cost of installation is high, thereby causes traffic cost also very high.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, and the continuous shaft transport method of the high drop of bulk material and the transport systems thereof of a kind of energy-saving safe, economical and efficient is provided.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
The continuous shaft transport method of the high drop of bulk material, comprises the following steps:
1) underground hole group is set: quantity, position and the size of determining vertical shaft and adit, each vertical shaft is one-level with the adit that its bottom is connected, total progression is 2～4 grades, the outlet of upper class adit is connected with next stage vertical shaft entrance, continuous combination by multistage vertical shaft and adit is communicated with the movable loading point that is positioned at eminence and the emptying point that is positioned at lower, first order vertical shaft entrance is near movable loading point, and the outlet of afterbody adit is near emptying point;
2) erecting equipment: at vertical shaft entrance, vertical shaft drawing-in device is set, sealing-tape machine is installed in adit, at adit entrance and silo bottom junction, feeder is installed;
3) transported material: by vertical shaft drawing-in device to vertical shaft feeding, material relies on deadweight to fall in vertical shaft, by feeder by silo bottom mass transport to the sealing-tape machine in adit, by sealing-tape machine, transport material to next stage vertical shaft entrance again, transportation continuously step by step, until the material of movable loading point is all delivered to emptying point.
Further improvement as technique scheme:
When carrying out step 1), according to the vertical discrepancy in elevation, the horizontal throw between movable loading point and emptying point, calculate the quantity that adopts underground vertical shaft and adit, according to massif geologic condition and topographic condition, determine vertical shaft coordinate in cavity group, according to characteristics such as the bulk material particle diameter being transferred, operational throughput sizes, determine the parameter of vertical shaft and adit.
When carrying out step 3), the in-built full with substance of each vertical shaft, keeps full well operation.
When carrying out step 3), the material in each vertical shaft is minimum moving down once in 7 days.
A kind of transport systems for the continuous shaft transport method of the high drop of above-mentioned bulk material, comprise vertical shaft and adit, each vertical shaft is one-level with the adit that its bottom is connected, total progression is 2～4 grades, the outlet of upper class adit is connected with next stage vertical shaft entrance, each vertical shaft entrance is provided with vertical shaft drawing-in device, and feeder is installed in each adit entrance and silo bottom junction, in each adit, establishes sealing-tape machine.
Further improvement as technique scheme:
The described vertical shaft degree of depth is 80m～150m, and described vertical shaft diameter is 3m～10m, and described adit length is 30 m～360m, and adit width is 4 m～5m, and adit descending grade is 0～8%.
Described vertical shaft diameter is 6m～8m.
Described vertical shaft entrance arranges locked concrete lining cutting, and the described locked concrete lining cutting degree of depth is 4～8m, and thickness is 0.6m～1m, and silo bottom is set to bell mouth shape, and full section concrete lining is set.
The well bore of described vertical shaft arranges well bore lining cutting, and described well bore lining thickness is 0.6m～1m.
The all edges of described vertical shaft entrance physical features is provided with intercepting ditch; Described vertical shaft entrance and vertical shaft drawing-in device joining place are provided with material buffer device.
Compared with prior art, the invention has the advantages that:
The continuous shaft transport method of the high drop of bulk material of the present invention, than available technology adopting Automobile Transportation or method high-power, the descending sealing-tape machine transportation of high spud angle, do not need to build transportation highway, also do not need the expensive large-scale load transfer device of configuration, its cost of investment reduces greatly; In transportation, material relies on deadweight to fall in vertical shaft, can reduce transportation energy consumption, saves traffic cost; Can realize continuously uninterrupted transportation, conveying efficiency is high, and transportation is stable, safe.The continuous shaft transport system of the high drop of bulk material of the present invention, simple in structure, with low cost, constructability, installation, can reduce cost of investment and the traffic cost of the high drop transportation of bulk material, and can realize continuously uninterrupted transportation, transportation is stable, efficiency is high, and safety has reliable guarantee.
Accompanying drawing explanation
Fig. 1 is the diagram of circuit of the continuous shaft transport embodiment of the method for the high drop of bulk material of the present invention.
Fig. 2 is the structural representation of transport systems of the present invention.
Fig. 3 is the structure for amplifying schematic diagram of first order vertical shaft and adit in transport systems of the present invention.
Fig. 4 is the structural representation of vertical shaft entrance in transport systems of the present invention.
Fig. 5 is the structural representation of silo bottom in transport systems of the present invention.
Fig. 6 is the structural representation of adit in transport systems of the present invention.
In figure, each label represents:
1, vertical shaft; 2, adit; 3, movable loading point; 4, emptying point; 5, sealing-tape machine; 6, feeder; 7, intercepting ditch.
The specific embodiment
Fig. 1 shows the diagram of circuit of the continuous shaft transport embodiment of the method for the high drop of bulk material of the present invention, and this transportation resources comprises the following steps:
1) underground hole group is set: quantity, position and the size of determining vertical shaft 1 and adit 2, the adit 2 that each vertical shaft 1 is connected with its bottom is one-level, total progression is 2～4 grades, 2 outlets of upper class adit are connected with next stage vertical shaft 1 entrance, continuous combination by multistage vertical shaft 1 and adit 2 is communicated with the movable loading point 3 and the emptying point 4 that is positioned at lower that is positioned at eminence, first order vertical shaft 1 entrance is near movable loading point 3, and 2 outlets of afterbody adit are near emptying point 4;
2) erecting equipment: at vertical shaft 1 entrance, vertical shaft drawing-in device (not shown) is set, at the interior installation sealing-tape machine 5 of adit 2, at adit 2 entrances and vertical shaft 1 junction, bottom, feeder 6 is installed;
3) transported material: by vertical shaft drawing-in device to vertical shaft 1 feeding, material falls in the interior dependence deadweight of vertical shaft 1, by feeder 6 by vertical shaft 1 bottom mass transport to the sealing-tape machine 5 in adit 2, by sealing-tape machine 5, transport material to next stage vertical shaft 1 entrance again, transportation continuously step by step, until the material of movable loading point 3 is all delivered to emptying point 4.
The continuous shaft transport method of the high drop of bulk material of the present invention is than available technology adopting Automobile Transportation or method high-power, the descending sealing-tape machine transportation of high spud angle, do not need to build transportation highway, also do not need the expensive large-scale load transfer device of configuration, its cost of investment reduces greatly; In transportation, material relies on deadweight to fall in vertical shaft, can reduce transportation energy consumption, saves traffic cost; Can realize continuously uninterrupted transportation, conveying efficiency is high, and maximum delivery can reach 2500t/h, and transportation is stable, safe.
In the present embodiment, when carrying out step 1), according to the vertical discrepancy in elevation, the horizontal throw between movable loading point 3 and emptying point 4, calculate the quantity that adopts underground vertical shaft 1 and adit 2, according to massif geologic condition and topographic condition, determine vertical shaft 1 coordinate in cavity group, according to characteristics such as the bulk material particle diameter being transferred, operational throughput sizes, determine the parameter of vertical shaft 1 and adit 2.Also can, according to local climate feature, betransported the physics of material, the parameter that chemical nature is determined accessory equipment.
In the present embodiment, when carrying out step 3), material level is observed, guaranteed that the transportation volume of each vertical shaft 1 approaches, make the in-built full with substance of each vertical shaft 1, keep full well operation, to reduce the wearing and tearing of material to the borehole wall.
In the present embodiment, when carrying out step 3), the material in each vertical shaft 1 is minimum moving down once in 7 days, to prevent material plate knot.
After Practical Completion, in vertical shaft 1, fill up material, in vertical shaft 1 entrance, by drainage grade, with cement concrete, seal.
Fig. 2 to Fig. 6 shows the transport systems embodiment for the continuous shaft transport method of the high drop of above-mentioned bulk material of the present invention, comprise vertical shaft 1 and adit 2, the adit 2 that each vertical shaft 1 is connected with its bottom is one-level, total progression is 2～4 grades, 2 outlets of upper class adit are connected with next stage vertical shaft 1 entrance, each vertical shaft 1 entrance is provided with vertical shaft drawing-in device, and feeder 6 is installed in each adit 2 entrances and vertical shaft 1 junction, bottom, in each adit 2, establishes sealing-tape machine 5.Transport systems of the present invention, simple in structure, with low cost, constructability, installation, can reduce cost of investment and the traffic cost of the high drop transportation of bulk material, and can realize continuously uninterrupted transportation, and transportation is stable, efficiency is high, and safety has reliable guarantee.
Further, vertical shaft 1 degree of depth is 80m～150m, and vertical shaft 1 diameter is 3m～10m, is preferably 6m～8m, and suitable vertical shaft 1 diameter can make blanking velocity slow down, and the wearing and tearing of the borehole wall are reduced; Adit 2 length are 30 m～360m, and adit 2 width are 4 m～5m, and adit 2 descending grades are 0～8%; Vertical shaft 1 entrance arranges locked concrete lining cutting, the locked concrete lining cutting degree of depth is 4～8m, thickness is 0.6m～1m, vertical shaft 1 bottom is set to bell mouth shape, and full section concrete lining is set, and determines whether the well bore of vertical shaft 1 arranges well bore lining cutting according to surrounding rock category, I～III class surrounding rock is not established lining cutting, IV, V class surrounding rock need be established lining cutting, and when well bore lining cutting is set, well bore lining thickness is 0.6m～1m.In the present embodiment, first order vertical shaft 1 degree of depth is 125m, and diameter is 7m, and adit 2 length are 267m, and width is 4.5m, and descending grade is 7%; Vertical shaft 1 degree of depth in the second stage is 135m, and diameter is 7m, and adit 2 length are 353m, and width is 4.5m, and descending grade is 7%; Third stage vertical shaft 1 degree of depth is 122.4m, and diameter is 7m, and adit 2 length are 220m, and width is 4.5m, and descending grade is 7%; The locked concrete lining cutting degree of depth of each vertical shaft 1 entrance is 6 m, and thickness is 0.8 m, and the present embodiment well bore country rock is III class surrounding rock, does not therefore establish well bore lining cutting.
In the present embodiment, all edges of vertical shaft 1 entrance physical features is provided with intercepting ditch 7, prevents that current from entering vertical shaft 1; Vertical shaft 1 entrance and vertical shaft drawing-in device joining place are provided with material buffer device (not shown), to reduce material impact, extend facility service life.
Although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention.Any those of ordinary skill in the art, in the situation that not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all should drop in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the technology of the present invention essence.
Claims (10)
1. the continuous shaft transport method of the high drop of bulk material, is characterized in that: comprise the following steps:
1) underground hole group is set: quantity, position and the size of determining vertical shaft (1) and adit (2), the adit (2) that each vertical shaft (1) is connected with its bottom is one-level, total progression is 2～4 grades, upper class adit (2) outlet is connected with next stage vertical shaft (1) entrance, continuous combination by multistage vertical shaft (1) and adit (2) is communicated with the movable loading point (3) that is positioned at eminence and the emptying point (4) that is positioned at lower, first order vertical shaft (1) entrance is near movable loading point (3), and afterbody adit (2) outlet is near emptying point (4);
2) erecting equipment: at vertical shaft (1) entrance, vertical shaft drawing-in device is set, sealing-tape machine (5) is installed in adit (2), at adit (2) entrance and junction, vertical shaft (1) bottom, feeder (6) is installed;
3) transported material: by vertical shaft drawing-in device to vertical shaft (1) feeding, material relies on deadweight to fall in vertical shaft (1), by feeder (6), vertical shaft (1) bottom mass transport is arrived on the sealing-tape machine (5) in adit (2), by sealing-tape machine (5), transport material to next stage vertical shaft (1) entrance again, transportation continuously step by step, until the material of movable loading point (3) is all delivered to emptying point (4).
2. the continuous shaft transport method of the high drop of bulk material according to claim 1, it is characterized in that: when carrying out step 1), according to the vertical discrepancy in elevation, the horizontal throw between movable loading point (3) and emptying point (4), calculate the quantity that adopts underground vertical shaft (1) and adit (2), according to massif geologic condition and topographic condition, determine vertical shaft in cavity group (1) coordinate, according to characteristics such as the bulk material particle diameter being transferred, operational throughput sizes, determine the parameter of vertical shaft (1) and adit (2).
3. the continuous shaft transport method of the high drop of bulk material according to claim 1, is characterized in that: when carrying out step 3), the in-built full with substance of each vertical shaft (1), keeps full well operation.
4. the continuous shaft transport method of the high drop of bulk material according to claim 1, is characterized in that: when carrying out step 3), and material minimum the moving down once in 7 days in each vertical shaft (1).
5. the transport systems for the continuous shaft transport method of the high drop of bulk material as described in claim 1 to 4 any one, it is characterized in that: comprise vertical shaft (1) and adit (2), the adit (2) that each vertical shaft (1) is connected with its bottom is one-level, total progression is 2～4 grades, upper class adit (2) outlet is connected with next stage vertical shaft (1) entrance, each vertical shaft (1) entrance is provided with vertical shaft drawing-in device, feeder (6) is installed in each adit (2) entrance and junction, vertical shaft (1) bottom, establishes sealing-tape machine (5) in each adit (2).
6. transport systems according to claim 5, it is characterized in that: described vertical shaft (1) degree of depth is 80m～150m, described vertical shaft (1) diameter is 3m～10m, and described adit (2) length is 30 m～360m, adit (2) width is 4 m～5m, and adit (2) descending grade is 0～8%.
7. transport systems according to claim 6, is characterized in that: described vertical shaft (1) diameter is 6m～8m.
8. transport systems according to claim 5, it is characterized in that: described vertical shaft (1) entrance arranges locked concrete lining cutting, the described locked concrete lining cutting degree of depth is 4～8m, and thickness is 0.6m～1m, vertical shaft (1) bottom is set to bell mouth shape, and full section concrete lining is set.
9. transport systems according to claim 8, is characterized in that: the well bore of described vertical shaft (1) arranges well bore lining cutting, and described well bore lining thickness is 0.6m～1m.
10. transport systems according to claim 6, is characterized in that: all edges of described vertical shaft (1) entrance physical features is provided with intercepting ditch (7); Described vertical shaft (1) entrance and vertical shaft drawing-in device joining place are provided with material buffer device.
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| CN201410053810.3A CN103754589B (en) | 2014-02-18 | 2014-02-18 | The continuous shaft transport method of bulk material height drop and transportation system |
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| CN201410053810.3A CN103754589B (en) | 2014-02-18 | 2014-02-18 | The continuous shaft transport method of bulk material height drop and transportation system |
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Cited By (3)
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| CN104975877A (en) * | 2015-07-08 | 2015-10-14 | 甘肃路桥建设集团有限公司 | Portal external road surface water blocking and discharging system with tunnel portal in downslope direction and manufacturing method for same |
| CN109488304A (en) * | 2018-11-14 | 2019-03-19 | 北京中煤矿山工程有限公司 | The delivery method of large size probing grouting equipment |
| CN112897115A (en) * | 2021-01-19 | 2021-06-04 | 广西建工矿业有限公司 | Mine super-huge type safe feeding process method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104975877A (en) * | 2015-07-08 | 2015-10-14 | 甘肃路桥建设集团有限公司 | Portal external road surface water blocking and discharging system with tunnel portal in downslope direction and manufacturing method for same |
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| CN112897115A (en) * | 2021-01-19 | 2021-06-04 | 广西建工矿业有限公司 | Mine super-huge type safe feeding process method |
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