Geotechnological dredge complex used for associated development of terrace placers
SUBSTANCE: invention refers to development of closely cemented and high plasticity sandy and clay rocks of terrace gold placers combined with development of the dredge range. Complex consists of a dredge with a stacker and installations meant for deep processing of sandy and clay rock of gold placers, a high-head hydromonitor device with a system controlling the barrel turn in a vertical plane, and a hydraulic transport pressure system. Complex is equipped with a bridge one end of which is hinged to a cross member of the dredge nose part posts and connected with a bridge turn drive, and free end is equipped with a linear guideway moving in a horizontal plane by means of a drive. Free end of the bridge by means of guides and sliding supports is telescoped with a crossbar with a stable support, which moves by means of a drive, and bridge is equipped with an additional stable support adjustable as per position relative to the hinge and movable linear guideway. Bridge is provided with longitudinal holes and guides. Additional stable support comes into contact with the bridge longitudinal holes, and is equipped with linear guideways coming into contact with the bridge guides. High-head hydromonitor device is installed on the end of the movable crossbar so that it can move in a vertical plane by means of a drive. The bridge turn drive is installed on a movable base connected via linear guideways to the guides.
EFFECT: intensifying mining process.
The invention relates to the development of tightly cemented and high plasticity sandy-clayey rocks terrace gold-bearing placers in combination with training dredging of the polygon.
Known dredging complexes with spreader and installations of deep processing of sand and clay rock placers with low gold content /1, 2/.
These complexes do not allow an efficient associated testing terrace placers high level of firmly cemented and high plasticity sandy-clayey rocks.
Known hydraulic systems with jetting device /3/ with the ability to move the trunk of the giant monitor in the vertical plane and system development with their help /4/.
These systems do not provide efficient mining dredging site and firmly cemented and high plasticity sandy-clayey rocks terrace placers high level.
Closest to the technical essence is the dredging complex installations of deep processing of sand and clay rock placers with low gold content, including bulldozer D3-HL or D And Komatsu and dragline ESH - 10/70 /5/.
This complex does not eliminate the loss of valuable components and does not provide a continuous method of mining, dredging landfill and terrace deposits.
Technical is the result - the intensification of the production process involving extraction of alluvial terrace placers high level with firmly cemented, and high plasticity sandy-clayey rocks.
The technical result is achieved by the fact that dredging geotechnological complex associated testing terrace placers containing the dredge with spreader and installations of deep processing of sandy-clayey rocks of the gold-bearing placers, high-pressure jetting device to control rotation of the barrel in a vertical plane and hydrotransport pressure system with rack, one end of which is hinged to the cross bar racks the bow of the dredge and associated with the drive rotation of the piers, and the free end provided with a movable in a horizontal plane with the drive support roller, while the free end of the trestle telescopically through the guides and bearings is connected with movable with a drive rod support sustainability, and the rack has an adjustable in position relative to the hinge and movable bearings additional support sustainability, and the rack is fitted with lateral holes and guide, and additional support sustainability comes into engagement with the longitudinal holes of the rack and provided with supports quality is Oia, entering into interaction with the guides of the rack, with high-pressure jetting device installed at the end of the movable rod can be moved by the actuator in a vertical plane, and a drive rotation of the rack is installed on a movable base, associated with linear guides with the guides.
The claimed embodiment dredging geotechnological complex provides associated testing terrace placers high level with firmly cemented, and high plasticity sandy-clayey rocks.
The proposed dredging geotechnological complex associated testing terrace placers shown on the drawings.
Figure 1 gives a General view of dredging geotechnological complex, rack actuators and bearings made in an enlarged scale in relation to the dredge; figure 2 is a view As in figure 1, an arbitrary position of the rack; figure 3 - cross - section B-B in figure 1; figure 4 is a telescopic connection of the free end of the overpass, with the movable rod; figure 5 - a section b-b In figure 4, the connection rack rails and bearings of the movable rod, the drive movement of the rod not shown; figure 6 - view of G in figure 2.
Dredging geotechnological complex 1 for fair testing terrace 2 placers contain the dredge 3 spreader 4, ustanovki deep processing of sandy-clayey rocks of the gold-bearing placers, high-pressure jetting device 6 system 7 control the rotation of the shaft 8 in the vertical plane 9 and hydrotransport pressure system 10. On the cross member 11 of the uprights 12 of the bow 13 Draghi 3 hinge 14 is fixed one end 15 of the rack 16. The free end 17 of the rack 16 provided with a movable in the horizontal plane 18 by a drive 19 a ball support 20. The free end 17 of the rack 16 are telescopically 21 through the guide 22 and the bearings 23 is connected with movable with the actuator 24 and the rod 25. The movable rod 25 provided with a support sustainability 26. The rack 16 has an adjustable in position relative to the hinge 14 and the movable bearings 20 additional support sustainability 27. The rack 16 is made of longitudinal openings 28 and installed the guides 29. Additional support sustainability 27 is in communication with the longitudinal hole 28 of the rack 16 and is provided with supports bearings 30, which are in interaction with the guides 29 of the rack 16. Moving additional support sustainability 27 is performed by the actuators 31, 32, which are connected with the rack 16. High-pressure jetting device 6 is installed on the end 33 of the movable rod 25 can be moved by actuator 34 in the vertical plane 9. The hinge 14 is fixed to the end 15 of the rack 16 is connected with a drive 3 turning racks 16. The actuator 35 is mounted on a movable base 36. Movable base 36 is connected through linear guides 37 with the guides 38. Guides 38 are installed on the rack 39. Configuration management process parameters development of sand-clay rocks placers, the orientation in space of the high pressure jetting device 6 to the desired impact zone gold deposits terraces by using the control unit 40. Hydrotransport pressure system 10 is associated with a rifled ditch 41. In the initial position during transportation Draghi 3 rack 16 is located along the pontoon 42 Draghi 3.
Dredging geotechnological complex associated testing terrace placers works as follows.
Below the terrace is formed threaded ditch 41 for receiving smitten rock. Installed and properly oriented dredging geotechnological complex 1 with hydrotransport pressure system 10. In the process Draghi 3 units 5 deep processing of sandy-clayey rocks of the gold-bearing placers using the control unit 40 is adjustment of process parameters of a release and destruction of rocks terrace placers using high pressure jetting device 6 and the mode switching actuators 19, 24, 31, 32, 34, 35, hydrotransport the overall pressure of the system 10 and system 7 control the rotation of the shaft 8 high-pressure jetting device 6 in the vertical plane 9. Using the actuator 35 is a reversal of the rack 16 with pontoons 42 and installation of the rack 16 on the support bearings 20 in the initial estimated position in the working area of the polygon associated testing terrace 2 placers. Movable base 36 by means of linear guides 37 and the guide 38 mounted on the racks 39, moves to the corner, ensuring the orientation of the actuator 35 at a desired angle relative to the end 15 of the rack 16, the hinge 14 is mounted on the cross member 11 of the uprights 12 of the bow 13 Draghi 3. Is touch support roller 20 and supports sustainability 26 with the surface of the ground. Included drives 31, 32 to provide the estimated install additional support sustainability 27. Additional support sustainability 27 is in communication with the longitudinal hole 28 of the rack 16, and a support roller 30 are in engagement with the guides 29. The location of additional support sustainability 27 provides rigidity of the whole structure at varying distance from the free end 17 of the rack 16 to the end 33 of the movable rod 25, which has a high-pressure jetting device 6. Enables the actuator 24 for orientation of the movable rod 25 to its original position testing the first level of the 2 terraces. From the free end 17 of the rack 16, through telescopic 21 communication and contact rails 22 with the supports gliding is 23, the movable rod 25 moves. Included high-pressure jetting device 6, is washing and sand blasting. In the process of working out 2 terraces with actuator 24 is the orientation of the high-pressure jetting device 6 relative to the plane terraces 2, and with the actuator 19 moves bearings 20 of the rack 16 in the horizontal plane 18. System 7 also regulated by turning control shaft 8 high-pressure jetting device 6 in the vertical plane 9. Sands are received in threaded ditch 41, where they are partially accumulate and where continuous flow is coming through hydrotransport pressure system 10 on the plant for deep processing of 5 Draghi 3. Recycled breed is fed through the spreader 4 in the blade. After testing the lower level terrace 2 perform the tuning to the next height level. The actuator 34 and system 7 is the rise of high-pressure jetting device 6 to the required level and orientation of the barrel 8 at the desired angle.
Dredging geotechnological complex provides associated effective mining of alluvial terrace placers high level with firmly cemented, and high plasticity sandy-clayey rocks.
Sources of information
1. B the rubber VP Manual for the development of placers / Vperson, Vgisc, Lpparam, Svetelki. - M.: Nedra, 1973. - 592 S. - S, 183, 187, 190, 195.
2. Leshkov V.G. Development of placer deposits: a Textbook for colleges. 2nd ed., / Leshkov VG - M.: Nedra, 1985. - 568 S. - S, RES.
3. Berezin VP manual for the development of placers / Vperson, Vgisc, Lpparam, Svetelki. - M.: Nedra, 1973. - 592 S. - S, RES.
4. Shorokhov S.M. in Technology and comprehensive mechanization of placer developments / Smokov. - M.: Nedra, 1973 - 768 S. - S-375.
5. Dorokhov NM engaging Experiences alluvial terrace deposits in the associated development of a dredging method / Namdakov, Waerhow Gorn. - 2006. No. 10. - P.45-47.
Dredging geotechnological complex associated testing terrace placers containing the dredge with spreader and installations of deep processing of sandy-clayey rocks of the gold-bearing placers, high-pressure jetting device to control rotation of the barrel in a vertical plane and hydrotransport pressure system, wherein equipped with a rack, one end of which is hinged to the cross bar racks the bow of the dredge and associated with the drive rotation of the piers, and the free end provided with a movable in a horizontal plane with the drive support roller, while free to the end of the trestle telescopically - through the guides and bearings is connected with movable with the actuator rod support sustainability, and the rack has an adjustable in position relative to the hinge and movable bearings additional support sustainability, and the rack is fitted with lateral holes and guide, and additional support sustainability comes into engagement with the longitudinal holes of the rack and provided with supports anti-friction members in engagement with rack guides, with high-pressure jetting device installed at the end of the movable rod can be moved by the actuator in a vertical plane, and a drive rotation of the rack is installed on a movable base that is associated with linear guides with the guides.
SUBSTANCE: invention refers to development of congealed high-plasticity sandy and clay rocks of terrace gold placers combined with development of the dredge range. Complex with a hydromonitor laser system consists of a dredge with a stacker and installations meant for deep processing of sandy and clay rock of gold placers, a high-head hydromonitor device with a system controlling the barrel turn in a vertical plane, and a hydraulic transport pressure system. Laser infrared-radiation system is installed on a rotating platform angle-wise to high-head hydromonitor device with the possibility of simultaneous movement in vertical and horizontal planes. Rotating platform is installed on linear guideways, and hinged to the base, and to its swing drive. Base is connected to the guide posts by means of sliding supports and installed so that it can move in a vertical plane via a system of drive.
EFFECT: intensifying mining process of the dredge range including development of terrace high-level placers with congealed and high-plasticity sandy and clay rocks.
SUBSTANCE: method of development of thick flat-lying coal bed on clots of irregular shape is intended for extraction of coal from sections with limited resources which for economic reasons can not be extracted by means of complex mechanisation. The method includes preparing an extraction pillar by making transport and ventilation entries at a bed roof and a hydro-transport entry at a bed floor with the axis of the hydro-transport entry set-off against the axis of the transport entry to the direction of massif. The extraction pillar is divided into strips with stopes; simultaneously there is assembled a roof bolting while leaving between-stopes massifs virgin. The stopes are made at the bed roof from the transport to ventilation entry. Neighbour stopes are linked with connections. A borehole is drilled approximately along the axis of the stope from the hydro-transport entry to each stope. A hydro-transport slit is cut with a hydro-monitored jet from the head of the borehole to the ventilation entry along the axis of the stope till the bed floor, and in the reverse direction coal is extracted with a hydro-monitor below the stope floor and partially under the massif from the flank side. Transporting of loose coal in mine workings above the stope floor is performed with traditional means, for example with self-propelled car and conveyer, while below the stope floor it is transported in form of pulp. After extraction of coal in stopes there is performed extraction of massif under the transport entry and further - under the ventilation entry by the similar method.
EFFECT: increased efficiency and safety of development.
2 cl, 6 dwg
SUBSTANCE: complex method of hydro excavation of minerals consists of development mining, of equipping with ventilation system and system of heating of mine working, of hydraulic breaking up of bed with an automated mining combine in a continuous mode of operation with installation of face supports, of hydraulic transporting of broken rock, of concentration of obtained mass and its further dehydration, of drying of water encroached beds, and of purifying of process liquid with its recirculation. Hydraulic breaking up of a bed is carried out simultaneously with its impulse mechanical destruction by means of introducing an abrasive material of upgraded hardness into a liquid jet; further abrasive material is separated from broken rock at the time of its hydraulic transporting and concentrating; concentration of broken rock and partial separation of liquid pulp with abrasive material from broken rock are performed by means of transporting and mixing them at the roller type facility; flowing down pulp with abrasive material is driven to purification by means of a pumping system wherein solid particles of abrasive material are separated from the rest of the pulp and where abrasive material is saturated with solid particles of broken rock of specified dimension. Saturated abrasive material is directed to recirculation, while partially purified process liquid is mixed with the liquid obtained at drying of water saturated beds; then process liquid is finally purified by cold evaporation and is brought to recirculation. A portion of purified process liquid is supplied to the ventilation system of mine working and is dispersed in air in form of fine dispersed particles; continuous control measurements of air temperature, of explosion hazardous particles and coal dust contents in air are carried out during mine working operations.
EFFECT: upgraded versatility, efficiency, automaton, quality and reliability of process behavior in constraint conditions of mine working, improvement of ecological situation at mine.
SUBSTANCE: invention relates to mining and can be employed at development of deposits of minerals in form of an edge seam overlapped with mass of rocks of basic sediments by means of borehole hydraulic mining. The method of hydraulic borehole mining incorporates opening out a rock mass overlaying a producing horizon with a vertical borehole; then a successive boring of several producing inclined wells is performed out of this borehole in several directions along the pitch at a hanging wall, then up and down washing out of the horizon of deposits is carried out from producing wells, and as a hydraulic borehole device goes up, a case column is taken out; before termination of borehole washing out a required safety massif of rock is left at the upper portion of the borehole.
EFFECT: increased efficiency of hydraulic borehole mining of minerals and increased output owing to extension of development zone.
SUBSTANCE: invention is referred to a mining industry and can be used in development of firm minerals. The method of hydro mining operations includes hydraulic crushing of a rock bed, hydro transportation of broken off rock, supply of stowing material in a worked out room using a pipe line. Loose rock is enriched and dehydrated, and the waste received at beneficiating of loose rock is blended with a pulp received at dehydration of loose rock. The obtained mixture is used for filling the waste area. Sacciform resilient perforated shell is put in the waste area. Further on, it is connected with the filling material pipe and filled with filling material under heavy pressure. The flowing fluid obtained by perforation is collected and sent for treatment and recirculation.
EFFECT: better filling reliability of the waste area and safety of mining operations, lower expenses for filling, improved ecological situation on mine and in its neighborhoods due to fluid recirculation in the technological process.
FIELD: mining engineering.
SUBSTANCE: bullet consists of external pulplifting pipe section 1 fitted with seal assemblers and inner water-and air delivering pipes 2 and 4, which upper ends are output from pulplifting pipes, lower end of water delivering pipe is fitted with checker 3, and lower end of air delivering pipe is fixed with sprayer 5. Inside pulplifting and air delivering pipes addition sectional pipe is installed 6 for delivering of warmed water and steam for defrostation of formations, which ends are derived beyond pulplifting pipe.
EFFECT: effectiveness improvement of excavation and working of frozen sedimentary strata.
5 cl, 3 dwg, 1 ex
FIELD: mining engineering.
SUBSTANCE: method includes reagent solution feeding in section for outside water bleaching, given for washing. At that outside water is divided in elementary fluent. Separate fluids are intermixing with reagent and unite them into common flow. Result is achieved by means of by fluids reagent feeding and more intensive mixing of flow with reagent.
EFFECT: effectiveness improvement of flocculation.
FIELD: machine building.
SUBSTANCE: environmental separation method in airlifting of submersible deposits of minerals and its implementation system which comprises lifted pipe, replenishment camera with a branch, feeding pipe, pump with force piping, air separator assembled on the lifted pipe, lifted pipe mixer connected to the force piping of the pump, compressor with a corresponding force piping, water separator assembled in an intermediate cross section of the pump force piping - separate accumulator, connected to a separate accumulator, and branch outgoing to environment, additional mixer connected to the pump force piping and to the compressor force piping, and fluid consumption sensor. Additional accumulator is installed in the intermediate cross section of the feeding pipe, and suction and force pipelines of an additional pump are tied to an additional accumulator. The separate accumulator comprises indicators of fluid level, suction pipeline of the additional pump is equipped with a tip, located in the additional accumulator. The force pipeline of the additional pump comprises pivotal position distributing valve, and blade wheel is installed in the additional accumulator. At that the force piping of the pump and the branch, connected to the separate accumulator, are equipped with corresponding controlled valves. The suction pipeline of the compressor is equipped with a filter and connected to an air separator, while a rotation speed sensor - a tachometer -is connected to the blade wheel.
EFFECT: improvement of environmental separation method in airlifting of submersible deposits of minerals; improvement of the ocean ecosystem.
2 cl, 5 dwg
FIELD: mechanical engineering, particularly underwater mineral deposit mining.
SUBSTANCE: method involves using system including lift tubing, supply chamber with connection pipe, supply pipe, pump with injection pipeline, air separator installed in lift tubing, lift tubing mixer communicated with injection pipeline and pump with corresponding heating pipeline. The system also has water separator installed in intermediate cross-section of injection pipeline. The water separator is made as independent accumulator. The system includes connection pipe attached to independent accumulator, additional mixer communicated with injection pipeline and liquid flow meters. Additional accumulator is arranged in intermediate transversal cross-section of lift tubing. Sucking pump pipeline and sucking compressor pipeline are connected with additional accumulator and air separator correspondingly. Independent accumulator comprises liquid level indicators. Sucking pump pipeline is communicated with additional connection pipe provided with controllable gate. Sucking compressor pipeline comprises filter. Consistometer is connected with supply pipe.
EFFECT: increased efficiency of continuous underwater mineral deposit element lifting due to increased marine hydraulic rams.
2 cl, 5 dwg
FIELD: mechanical engineering, particularly underwater mineral deposit mining.
SUBSTANCE: method involves lifting underwater mineral deposit members included in hydraulic mixture; creating multi-component mixture; injecting compressed air into hydraulic mixture flow; transporting multi-component mixture flow inside lifting pipe of marine airlift; supplying compressed air into separate water flow along with following conveyance of compressed air included in water-air mixture and supplying compressed air extracted from water-air mixture flow to lifting pipe of marine airlift. First of all hydraulic mixture flow rate in airlift supply pipe is set. Ocean stream energy is converted into electric power to be supplied to electric drives of airlift compressor and pump. Hydraulic mixture rate in marine airlift supply pipe is controlled and said controlled value is compared with predetermine value to provide equality between both values by regulation of depth of electric power station submersion in ocean. Said electric power station converts ocean stream energy into electric power.
EFFECT: increased lifting efficiency and ecological safety of underground mineral mining due to possibility of supplementary natural energy source usage.
2 cl, 6 dwg
FIELD: mining industry.
SUBSTANCE: method includes opening productive bed by product slanting well, casing the well by pipes column, mounting well block with concentrically positioned pipes columns, lift and hydro-monitoring headpiece, hydro-monitoring erosion of bed and raising formed mixture of rocks by said lift to surface. According to method, opening of productive bed is performed using product slanting well and its casing is performed by displacing outer pipes column of well block along well axis and concurrent rotation of inner pipes column, hydro-monitoring headpiece is inserted inside outer column of pipes of well block, and during erosion of bed it is pulled out of outer pipes column of well block. Device for realization of said method is made in form of well block, including as common parts concentrically placed pipes column, outermost of which is casing column of well, and inner one is provided with headpiece with lift, hydro-monitoring headpiece and pressurizing element, and portal in form of two-passage swivel for feeding water and draining pulp. Pressurizing element is mounted at end piece above hydro-monitoring headpiece and is made in form of cylindrical shelf. To limit movement of inner pipes column relatively to outer pipes column, at lower end of outer pipes column a bushing is mounted with possible interaction with cylindrical shelf, outer diameter of which exceeds inner diameter of bushing.
EFFECT: higher efficiency, lower costs, lower laboriousness.
2 cl, 4 dwg
FIELD: mineral extraction method with the use of underground hydraulic ore cutting and extraction of crushed ore through boreholes.
SUBSTANCE: method involves cutting deposit over the deposit area into panels (sections or blocks); drilling boreholes for extracting pulp; arranging standpipe for pressure working medium supply and standpipe for conveyance medium supply; forming working excavation and filling thereof with stowing after development; performing lower deposit undercutting to provide ore massif permeability for working medium by serial shock blasting borehole and then camouflet explosive charges; forming camouflet cavities by blasting borehole charges and intermediate camouflets; performing successive impregnating of crushed massif with medium dissolving borehole minerals (for instance with acid or alkali solution); arranging containers with the dissolving medium above camouflet explosive charges before blasting thereof; separating them from explosive charges and from upper borehole part by stowing; supplying working medium through pressure working medium pipeline without creating overpressure in the medium; increasing pressure at outlet with hydraulic intensifier; regulating ratio between solid and liquid components of pulp risen by means of airlift plant by supplying compressed air through actuator arranged under pulp intake means.
EFFECT: increased fullness of mineral extraction.
3 cl, 6 dwg
FIELD: transport building, particularly to perform mining operations in far north areas.
SUBSTANCE: method involves cutting ground in pit and supplying sludge to concentration plant; separating the sludge into concentrated and lean sludge fractions in the concentrated plant; forming deposit vessel in water pool, filling the vessel with lean fraction, wherein the vessel is isolated from concentrated ground deposit by partition dam; developing concentrated ground with jet drag heads; forming and supplying strong pulp to washing in zone; washing in ground in layers, wherein upper layer consists of concentrated draining ground, or forming above ground structure by freezing the ground in layers in winter period. To implement above method water pool bottom is deepened to design level, one or several head parts of drag head are installed on deepened water pool bottom, the head parts are covered with concentrated ground and ground deposit is formed below ice boundary of water pool. Ground is extracted from above deposit from under ice through flexible sludge pipelines during extended working season.
EFFECT: reduced unit costs for strong sludge forming and elimination of costs necessary to maintain lane above underwater ground deposit during extended working season.
2 cl, 2 dwg
FIELD: mining industry, particularly borehole mining.
SUBSTANCE: installation comprises platform, hydraulic monitor plant with telescopic head, as well as airlift, rotary device installed on the platform, water recycling system, elastic oscillation generation system and distribution device connected to falling airlift members and to ultrasound disintegrator. Hydraulic monitor plant is provided with automatic hydraulic monitor operation control system installed on additional platform and connected with executive members of rotary device made in hydraulic monitor plant through hydraulic system. Elastic oscillation generation system may produce ultrasound oscillations of changeable power, which are transmitted by means of wash zone oscillators, pre-disintegration zone oscillator and oscillators of ultrasound disintegrator of the fist and the second level. Wash zone oscillators and sensors which record dynamic wash zone properties are installed on upper telescopic bar of T-shaped lever pivotally secured to additional rod of hydraulic monitor plant and brought into cooperation with drive through L-shaped link for lever rotation. Pre-disintegration zone oscillator and sensors which record dynamic properties of pre-disintegration zone are installed on telescopic rotary device hinged with airlift rod. Sensors which record dynamic wash zone properties and ones which record dynamic properties of pre-disintegration zone are linked with control system, which controls ultrasound denerator operational characteristics, and with automatic hydraulic monitor operation control system by digital programmed transforming device. Sensors, which determine dynamic properties of ultrasound disintegrator, are installed at the first level surface inlet and outlet of the ultrasound disintegrator. Above sensors are connected with control system, which controls operational characteristics of ultrasound denerator, through digital programmed device related with the next disintegration operation.
EFFECT: increased efficiency of mining operation and increased environmental safety.
FIELD: mining industry, particularly borehole mining.
SUBSTANCE: installation comprises platform, hydraulic monitor plant with telescopic head, as well as airlift, rotary device installed on the platform, water recycling system, elastic oscillation generation system and distribution device connected to falling airlift members and to ultrasound disintegrator. Hydraulic monitor plant is provided with automatic hydraulic monitor operation control system installed on additional platform and connected with rotary device of hydraulic monitor plant through hydraulic system, wherein vertical rod of hydraulic monitor plant is provided with rigid fixers brought into cooperation with slots of additional vertical rod. Elastic oscillation generation system may produce ultrasound oscillations of changeable power, which are transmitted through transformers to wash zone oscillators, pre-disintegration zone oscillator and oscillators of ultrasound disintegrator of the fist and the second level. Sensors which record dynamic wash zone properties and sensors which record dynamic properties of pre-disintegration zone are installed on the additional rod included in hydraulic monitor. Sensors which record dynamic wash zone properties and ones which record dynamic properties of pre-disintegration zone are linked with control system, which controls ultrasound denerator operational characteristics, and with automatic hydraulic monitor operation control system by digital programmed prior transforming device. Sensors, which determine dynamic properties of ultrasound disintegrator, are installed at the first level surface inlet and outlet of the ultrasound disintegrator. Above sensors are connected with control system, which controls operational characteristics of ultrasound denerator, through digital programmed device related with the next disintegration operation.
EFFECT: increased efficiency of mining operation and increased environmental safety.
FIELD: mining industry, particularly to produce loose, soft or single-grained minerals through production boreholes.
SUBSTANCE: method involves installing drilling rig in one point of area to be treated; drilling inclined production boreholes at an angle to horizon; installing pipes in the borehole; assembling hydraulic production equipment and lifting mineral to surface. Drilling rig is installed in one point to be treated so that the drilling rig may perform azimuth and angular rotation in vertical plane. Several production boreholes extending at different angles to horizon in common vertical plane are drilled by the drilling rig. The first borehole has minimal angle defined by maximal possible length of borehole, which can be drilled by the drilling rig. The next borehole has maximal angle defined by rock deformation area to prevent rock deformation on surface and in mineral production equipment installation area. Remainder boreholes are drilled in the same vertical plane at α3, α4, ... απ angles to horizon, which maximizes efficiency of mineral production. Similar inclined boreholes are drilled in other vertical planes by rotating the drilling rig in azimuth direction through γ1, γ2 ... γπ angles. Mineral is produced simultaneously or sequentially from borehole groups to provide smooth lowering of overlaying rock.
EFFECT: increased mineral removing fullness with the use of single equipment unit, reduced amount of construction-and-assembling operations, possibility to perform operations in any season, reduced costs of operation performing in cold season, increased safety for staff and equipment.
2 dwg, 2 ex
FIELD: mineral field development by hydraulic mining methods, as well as borehole drilling and all-purpose underground cavities creation.
SUBSTANCE: device comprises connection pipe for pressure water. Connection pipe of slurry pipeline has conical constricted section, wear-resistant insert made as spaced rings of wear-resistant material installed downstream from the conical constricted section in slurry flow direction, and conical widening section arranged downstream from the rings. Connection pipe of slurry pipeline has orifices made in area of ring location and adapted to supply pressure water into connection pipe of slurry pipeline via gaps defined between the rings. Hydraulic elevator is arranged at end of connection pipe for pressure water. Connection pipe for pressure water and hydraulic elevator may have water-jet nozzles. Gaps between rings of wear-resistant insert are created due to ring end roughness. As pressure water is supplied part of flow moving via annular gap passes through annular hydraulic elevator and enters into connection pipe of slurry pipeline to create ascending flow. Due to created vacuum washed mineral is sucked into connection pipe of slurry pipeline in slurry form and then transported to surface.
EFFECT: reduced wear of inlet connection pipe part.
3 cl, 1 dwg
FIELD: methods of hydraulic mining, particularly hydraulic monitors for rock breakage with water jets.
SUBSTANCE: hydraulic monitor comprises base, hinge assembly and barrel with nozzle. Through pipe extending along barrel axis is installed in barrel channel and supported by centrators. The first pipe end is communicated with atmosphere, another one is located in the nozzle. Pipe-nozzle diameter ratio is 0.50-0.57. The pipe serves as ejection means. As high pressure water passes through the nozzle streamlined air bubble is created at pipe outlet due to air ejection. Air bubble pressure is less than atmospheric pressure. This provides jet compression at nozzle outlet and as a result increases jet range. Abrasive and chemical materials may be used with water jet to improve rock breakage efficiency.
EFFECT: increased efficiency.
FIELD: mining, particularly to develop gold-bearing rock with high clay content.
SUBSTANCE: method involves loosening rock by applying mechanical action to the rock along with periodically initiating elastic vibrations in ultrasonic-frequency band with constant frequency in clay-sand rock - water system, wherein the elastic vibrations are initiated under constant outer pressure and power for different time periods; determining optimal action application time to provide stable clay particle precipitation in clay-sand rock - water system having constant volume during previously choosing controllable particle dimension range; determining conditional transformation coefficients from mathematical expression; making plot of conditional transformation coefficient change as a function of time; determining increase of controllable initial specific surface of particles to be loosened and halving ultrasound power when controllable initial specific surface of particles to be loosened is increased by an order.
EFFECT: reduced specific power consumption.
FIELD: geotechnology, particularly bore mining in wide range of mining and geological conditions.
SUBSTANCE: method involves drilling bore extending for the full thickness of underground mineral formation; cutting the underground mineral formation in chamber coaxial to the bore with the use of water-jet devices. Before hydraulic formation cutting rock massif is moistened by supplying pressurized water in bore for a time period enough to expand moistened zone for necessary distance, wherein water pressure is less than pressure of hydraulic formation cutting. After formation moistening water-jet device is lowered in the bore to cut mineral in moistened zone adjoining the bore. After that formation moistening and cutting operations are repeated to create chamber having predetermined dimensions.
EFFECT: reduced power inputs for hydraulic rock cutting.