Geotechnological complex for gold dredging and placer mining

FIELD: mining industry.

SUBSTANCE: said complex is provided with a supported trestle and an ultrasonic and mechanical tumbling module. Rotatable ultrasonic radiation module is connected to movable carriage rim by means of a hub and sliding supports. The movable carriage is provided with a drive for moving it along the trestle cross beam and a drive for turning the ultrasonic radiation module around the movable carriage yoke axis. The rotatable ultrasonic radiation module has drives for moving the ultrasonic sources in the vertical plane, a dual drive for moving the ultrasonic sources in horizontal plane, sensors to determine the rock physical and mechanical state, and communication links with functional module of disintegration process automatic control system.

EFFECT: improved efficiency of mining due to intensification of disintegration of rock with complex physical and mechanical properties during dredging and placer mining.

2 dwg

 

The invention relates to mining and is intended for open pit mining of placer deposits.

The known method development placers stationary tower excavator, machine tower which was installed on the Foundation and was supported by the stretch marks. Move the bucket to feed the breed for processing was carried out double-drum winch /1/.

This method does not provide effective training of the breed increased strength and clay content for processing and cannot be used on objects with complex physical-mechanical characteristics.

Known methods of surface mining of minerals using dredging equipment /2/.

These methods are not suitable when large alonistioti, strong samanthasamantha breed and for highly plastic clays.

Known hydraulic method of mining placers, including pre-cut ditches, mechanical destruction and the jet rocks in the bottom, forcing and direction breed rifled in a ditch, unconfined transportation breed free its disintegration in the process of transportation /3/.

This method is not effective in the development of cemented rocks or rocks with high plasticity.

The closest in technical essence are geotechnological included the si with multilevel disintegration, includes a module preliminary mechanical or hydraulic loosening module disintegration system with ultrasonic radiation, mounted below the system pressure of hydrotestosterone blurred breed, systems, transportation, dumping, processing complex /4, 5, 6/.

These complexes have an increased complexity in operation and less efficient processing of rocks with a high content of limestone and Sandstone.

The technical result - improving the efficiency of mining operations through the intensification of the process of destruction of rocks with complex physical and mechanical properties under development deposits.

The technical result is achieved by the fact that in geotechnological complex for the development of gold-bearing placers, including module preliminary mechanical destruction and jet rock in the face with the guide boards, module disintegration system with ultrasonic radiation, located below the threaded ditches for hydrotestosterone breed, processing complex systems hydrotestosterone and dumping of waste rock, module disintegration features a swivel module ultrasonic radiation, connected through the hub and bearings with rim rolling to the retki, and a movable carriage provided with a drive movement along the cross-beams of the rack and the drive rotation module ultrasonic radiation around the axis of the fork movable carriage, while the rotary module of the ultrasonic radiation is supplied by the actuators move the system ultrasonic transducers in a vertical plane, two-way travel drive system ultrasonic transducers in the horizontal plane, the sensors fixation physico-mechanical state of the breed and a data communication connection with the functional block of an automatic control process of disintegration.

The possibility of the formation of the desired sequence of executable actions proposed tools can solve the task, determines the novelty, industrial applicability and inventive step of the development.

Geotechnological complex for development of gold-bearing placers shown on the drawings.

Figure 1 - General view of geotechnological complex; figure 2 - section a-a in figure 1.

Geotechnological complex for development of gold-bearing placers contains module 1 preliminary mechanical destruction and jet rocks in the bottom 2 with the guide shields 3, module disintegration 4 system with ultrasonic radiation 5, located below the threaded ditches for hydrotestosterone breed, processing complex 7 systems hydrotestosterone 8 and dumping of 9 waste rock. Module disintegration 4 is equipped with an adjustable module ultrasonic radiation 10, which is connected through the hub 11 and the bearings 12 with the rim 13 of the movable carriage 14. Movable carriage 14 provided with a drive 15 move along the cross member 16 of the rack 17 and the actuator 18 of the rotation module ultrasonic radiation 10 around the axis 19 of the fork 20 of the movable carriage 14. The rotary module of the ultrasonic radiation 10 is equipped with actuators 21, 22 travel system ultrasonic emitters 23 in the vertical plane 24, a two-way actuator 25 to move the system ultrasonic emitters 23 in the horizontal plane 26. The rotary module of the ultrasonic radiation 10 has a rigid connection 27 with the guides 28 to move the system ultrasonic emitters 23 in the vertical plane 24. On the rod 29 system ultrasonic transducers 23 are installed sensors 30 of the fixing physico-mechanical state of the breed. The rotary module of the ultrasonic radiation 10 and the sensors 30 of the fixing physical and mechanical condition of the gold-bearing rocks are connected by a communication link 31 with the functional block 32 automatic process control system disintegration 33. The system of ultrasonic emitters 23 provided p is obrazovatelnyi 34, the emitters 35 and is connected with the generator 36 ultrasonic radiation.

Geotechnological complex for development of gold-bearing placers works as follows.

Carry out a preliminary preparation of rifle trenches 6 to hydrotestosterone breed and pit module disintegration 4. The pit module disintegration 4 is located below the threaded ditch 6 to hydrotestosterone breed. Produce preliminary mechanical destruction and the jet rocks in the bottom 2 of the module 1, the forcing and the direction of the breed in rifled ditch 5 using the guide shields 3 and other mechanisms. In the threaded hole 5 is gravity-flow hydrotestosterone breed. With the arrival of the breed in the pit module disintegration 4 and filling it at a certain level is the study and recording of physical-mechanical state of the breed in water by means of sensors 30 mounted on the rod 29 and connected by a communication link 31 with the functional block 32 automatic process control system disintegration 33. Functional unit 32 registers the input data and calculates the parameters of the movable carriage 14 and the rotary module of the ultrasonic radiation 10. Enables the actuator 15 for moving the movable carriage 14 along the cross member 16 es is acade 17 to its original position. The actuator 18 rotates the module ultrasonic radiation 10, which is connected through the hub 11 and the bearings 12 with the rim 13 around the axis 19 of the fork 20 of the movable carriage 14 for more precise fixation system of ultrasonic emitters 23 above the original treatment area sandy-clayey gold-bearing rocks in the water. A signal to the actuators 21, 22 move the ultrasonic transducers 23 in the vertical plane 24 for orientation of the emitters 35 at a certain depth in "the sandy-clayey gold-bearing rocks in the water." Through hard links 27 with the guides 28 of the rotary module of the ultrasonic radiation 10 is moved in the vertical plane 24 and is fixed in a predetermined position. Automatic process control system disintegration 33 is fed to a generator 36 for regulating the power, amplitude of sound pressure or intensity of ultrasonic radiation. By transducers 34 and the direct impact of emitters 35 "sandy-clayey gold-bearing rocks in the water" is the destruction and disintegration of rocks in the source area of the processing module disintegration 4. For a more intense impact on the breed included two-way actuator 25 to move the ultrasonic transducers 23 in the horizontal plane 26. proishodit simultaneous radiation and mechanical mixing. The intensity of the process of destruction of rocks increases. The actuator 25 is also used for a more accurate and economical orientation of the emitters without moving the movable carriage 14. After the processing of rocks in the source area by the automatic process control system disintegration 33 command is issued on the transfer and processing of the next zone module disintegration 4, the processing cycle is repeated. The disintegrated pulp is accumulated by the system hydrotestosterone 8 and fed to a processing complex 7 with the dumping of waste rock 9.

Geotechnological complex for development of gold-bearing placers increases the efficiency of extraction of minerals through the intensification of the process of destruction and the preparation of the breed for further processing.

Sources of information

1. Shorokhov S.M. in Technology and comprehensive mechanization of the development of placer deposits. Ed. 2nd Rev. and ext. M.: Nedra, 1973, s, RES.

2. Manual for the development of placer deposits. Under the General editorship VP Berezina, VG Leskova, L.P. Matsuev, SV Potemkin. M.: Nedra, 1973, s, 39.

3. Manual for the development of placer deposits. Under the General editorship VP Berezina, VG Leskova, L.P. Matsuev, SV Potemkin. M.: Nedra, 1973, s, RES.

4. Khrunina N.P., Mamaev Y.A. and other Geotechnological to the complex with multilevel disintegration: Patent RU 2209678, IPC WV 5/00, AS 41/26, 10.08.03, bull. No. 22 (prototype).

5. Khrunina N.P., Mamaev Y.A. and other Geotechnological complex with multilevel disintegration: Patent RU 2209974, IPC IS 41/30, WV 5/00, 10.08.03, bull. No. 22 (prototype).

6. Khrunina I.E. Geotechnological complex with multilevel disintegration: Patent RU 2206403, IPC WV 5/00, AS 41/26, 20.06.03, bull. No. 27 (prototype).

Geotechnological complex for development of gold-bearing placers, including module preliminary mechanical destruction and jet rock in the face with the guide boards, module disintegration system with ultrasonic radiation, located below the threaded ditches for hydrotestosterone breed, processing complex systems hydrotestosterone and dumping of waste material, characterized in that the module disintegration features a swivel module ultrasonic radiation, connected through the hub and bearings with the rim of the movable carriage, and a movable carriage provided with a drive movement along the cross-beams of the rack and the drive rotation module ultrasonic radiation around the axis of the fork movable carriage, while the rotary module of the ultrasonic radiation is supplied the actuators move the system ultrasonic transducers in a vertical plane, two-way pen drive is a mix of system ultrasonic transducers in a horizontal plane, sensors fixing physico-mechanical state of the breed and a data communication connection with the functional block of an automatic control process of disintegration.



 

Same patents:

FIELD: mining industry.

SUBSTANCE: said geotechnological complex incorporates a trestle with a tumbling bucket, a tumbling module with a chute located inside the closed loop of trench for disintegrated rock accumulation. The chute is directed along the rock inflow. The tumbling bucket installation provides for possibility of linear and angular displacement in the vertical plane; the bucket has slots and L-shaped rippers.

EFFECT: improved efficiency of mining due to intensification of disintegration of rock with complex physical and mechanical properties during dredging and placer mining.

5 dwg

FIELD: mining industry, possible use during extraction of natural and man-made gravel deposits of both mineral resources of high density (gold, platinum, etc), and valued minerals of low density.

SUBSTANCE: method for softening and disintegration of argillaceous sands of gravel deposits includes driving a water-feeding trench, driving a water-collecting trench in 80-100 meters along direction of fall of deposit bed in parallel to water-feeding trench, depth of water-collecting trench providing for difference of bottom levels in trenches 1,5-3 meters, filling water-feeding trench with water and recharging it to maintain constant water level by means of gate and spillway with raised spillway gate, building walling dam 1-1,5 meters high, limiting the part of deposit being processed in plan, with spillway, after that outputs of filtration flow into water-collecting trench are constructed which are fixed by wetting of upper slope for height of 1-2 meters, then spillway gate is lowered onto spillway spine, and that part of deposit is flooded with water for depth of 0,8-1,3 meters and this level is maintained for initial softening of argillaceous sands of gravel deposits, after that dredger plant is assembled, consisting of suck-in line with suction device, dredger itself and force sludge duct. At the end of force sludge duct, vortex generator is mounted together with hydrodynamic cavitator, due to which during launch of operation of dredger plant argillaceous sands of gravel deposits along the way from face and suction device of dredger to hydrodynamic cavitator are subjected to second stage of softening and disintegration, and in hydrodynamic cavitator - to third-stage final disintegration, and then are dispatched to dressing plant.

EFFECT: increased productiveness and extraction efficiency during extraction of natural and man-made gravel deposits due to efficient softening and disintegration of argillaceous sands of gravel deposits and release of valued components during hydro-transportation of sands to dressing equipment.

2 dwg

FIELD: agricultural; devices for treatment.

SUBSTANCE: the invention is pertaining to the field of clarification of water at the industrial development of the placer deposits with utilization of the wastes of the timber loggings and extraction of the finely dispersed gold from the water runoffs of the gold mining. In the bed of the diversion channel they form the firebreak out of the filtering material containing the wood sawdust mass subjected to the preliminary sorting at the vibration installation and having the ratio of the fractions from 1 to 5 mm up to the fraction from 5 up to 15 mm as 1:3 and packaged in the netted forms made out of the wire skeleton. After the water clarification the wood sawdust mass is subjected to dehydration by pressing and to drying and incineration for extraction of the fine fractions of gold. The technical result of the invention is the increased efficiency of the water clarification and extraction of gold.

EFFECT: the invention ensures the increased efficiency of the water clarification and extraction of gold.

1 dwg

FIELD: methods of surface mining, particularly for following natural stone treatment by covering or impregnating thereof with liquid or other flowable substances on surface.

SUBSTANCE: method involves gunning salt pit surface with waterproofing agent; covering salt pile surface with clay-and-salt mud layer in dry and hot season after salt pile hardening in at least 1.0-1.5 months after pile filling with salt. The clay-and-salt mud is sylvinite ore-dressing waste obtained from chemical factory. The clay-and-salt mud layer has 10-20 mm thickness and is formed by gunning salt pile surface with above mud material. The clay-and-salt mud is supplied into pneumatic pump receiver, wherein solid/liquid phase ratio is 1:2 - 1:3.

EFFECT: increased efficiency of salt pile waterproofing.

FIELD: mining industry, particularly for co-developing salt and platinum deposits.

SUBSTANCE: method involves detecting presence of platinum in non-soluble salt residue salt during salt deposit development; performing geological mapping of salt-bearing cavity and determining sand distribution in stratum above salt layer; drilling wells and bore pits and taking samples to determine platinum content; contouring sand deposits bearing platinum with concentration suitable for industrial development; cleaning surface; blocking out and excavating platinum-bearing sand; directing above sand to gravity separation plant; tying thereof with water in gravity separation plant to separate platinum therefrom.

EFFECT: increased complexity of deposit development.

FIELD: mining industry, particularly to develop watered placer deposits and technological mineral deposits under permanent negative temperatures of ambient air.

SUBSTANCE: method involves performing preparation and production works, mineral processing and refuse stacking operations. To implement above method dam is built around mining equipment and deposit to be developed prior to air temperature reduction to negative value; installing sled-mounted hangar having transparent heat insulated roof over the dam and performing all above mentioned works and operations inside the hangar.

EFFECT: increased efficiency of production and processing equipment.

2 cl, 1 ex

FIELD: mining industry, as well as hydraulic, road, agriculture and other building, particularly to perform open cast mining and other woks by rock loosening.

SUBSTANCE: method involves obtaining information concerning main and structural-and-strength rock properties on the base of estimation of data of primary and post-authorization prospecting, as well as production prospecting; detailed rock zoning to separate production blocks and unit blocks characterized by uniform rock at borders thereof; writing computer program; automatically loosing rock of each unit block by most effective method, namely by mechanical, pneumatic, blast drilling or physical one performed with the use of all-purpose mobile rig tools. Above rig includes computer system, device provided with one, two or three replaceable teeth, with plate-like metal pins and with hydraulic cylinders. The rig also has device adapted to create holes in unit block and wedge out thereof, drilling device and charging device, laser charge initiation system, local shelter with damping means, device for rock cutting by applying pressurized air and impacts to rock and auxiliary excavation device.

EFFECT: increased efficiency of rock preparation for further cutting and loading and for solid mineral field development as a whole.

1 dwg

FIELD: mining industry, particularly for open-cut steeply dipping or inclined deposit development.

SUBSTANCE: method involves excavating pit up to design depth reaching by sliced benches; moving the benches as ore deposit is developed; cutting ore and debris; loading thereof on conveyance means to move ore to ground surface, wherein as pit is deepened conveyer systems are used; on reaching the design pit depth deposit is divided into slices and the slices are developed with minimal ore losses in triangular zones with negligible interaction in peripheral face by developed slot raise technology usage; reinforcing slopes with anchors and metal mesh at deep horizons where berm cleaning is difficult; performing slice cutting though the full ore body thickness at design pit bottom and conveying the cut ore to surface by steeply inclined conveyers and combined transportation means. In the case of ore development in slices having lesser thickness below pit bottom steeply dipping and vertical side part are built, concrete wall and metal mesh adapted to hold wedge-like lumps in the presence of potential caving, wherein in this case mining equipment is used and ore cut from underground layer is crushed in crushing mills located on main loading and transportation horizons and delivered to ground surface by conveyer or skip shaft. Mined-out space is filled with rock refuse at terminal stage.

EFFECT: increased efficiency of mineral extraction, reduced cost of deposit development.

8 dwg, 1 ex

FIELD: mining industry.

SUBSTANCE: device has screw, having transporting spiral ribbon held on the shaft. Equipment is provided with U-shaped chute and perforated drum with armature in form of screw ribbon, having curvilinear shape in cross-section, arched in the direction of movement. Drum is mounted in upper portion of U-shaped chute. In its lower portion a screw is mounted.

EFFECT: higher productiveness.

3 dwg

The invention relates to a device for transporting bulk and bulk cargoes have been presented, namely to cable scrapers, and can be used for the development of fluvial gravel deposits of diamonds, for example, in Angola

FIELD: mining industry.

SUBSTANCE: said geotechnological complex incorporates a trestle with a tumbling bucket, a tumbling module with a chute located inside the closed loop of trench for disintegrated rock accumulation. The chute is directed along the rock inflow. The tumbling bucket installation provides for possibility of linear and angular displacement in the vertical plane; the bucket has slots and L-shaped rippers.

EFFECT: improved efficiency of mining due to intensification of disintegration of rock with complex physical and mechanical properties during dredging and placer mining.

5 dwg

FIELD: enrichment of minerals.

SUBSTANCE: vibration concentrator comprises box, vibration exciter, concentrating member made of plates and in block with the plates of transverse ribs, and longitudinal groove with variable depth conjugated with inter-rib hollows by means of side opening. The longitudinal groove has sides provided with openings. The plate is provided with longitudinal vertical walls that are rigidly connected with the outer faces of the transverse ribs. The transverse ribs are sloping in the direction of the longitudinal groove and are inclined to the charging side. The ribbed coating of the concentration member is wear proof, the concentrator receiver is mounted at the outlet end of the longitudinal groove, and the frequency and amplitude of vibration of the box and concentration member can be changed. The bottom of the longitudinal groove is perforated.

EFFECT: enhanced efficiency.

3 dwg

FIELD: mining industry; other industries; production of the devices used for minerals dressing.

SUBSTANCE: the invention is pertaining to the field of the minerals dressing, in particular, to the devices used for flushing of the ores and the difficult to flush materials containing the argillous component. The scrubber-disintegrator used for flushing of the argillous materials consists of the driving shaft, the frame, the perforated flushing drum, the prefabricated launder, the water duct and the fitting pipe for water delivery. Under the drum there is the section of the additional water ducts made in the form of the fitting pipes inserted in each other. At that the internal fitting pipes are fixed, and the external fitting pipes are mounted with the capability of rotation. At that the perforation is made along the whole length of the both types of the fitting pipes corresponding to the holes of the drum. The technical result of the invention is the increase of the productivity and intensity of the preliminary destruction of the more dense argillous formations, and also reduction of the losses of the valuable components.

EFFECT: the invention ensures the increased productivity and intensity of the preliminary destruction of the more dense argillous formations, the decreased losses of the valuable components.

5 dwg

FIELD: mining industry; devices for the minerals concentration.

SUBSTANCE: the invention is pertaining to the field of the minerals dressing, in particular, to the apparatuses for gravity concentration and may be used for extraction of the useful component from the different grainy materials. The vibratory concentrator includes the box, the vibration exciter, the concentration component made in the form of transversal ribs and the longitudinal groove. The transversal ribs have the rake in the direction of the longitudinal groove. The ribbed coating of the concentration component is made wear-resistant. At the outlet end of the longitudinal groove there is the mounted concentrate-receiver. The box and the concentration component have the capability to change the frequency and the amplitude of the vibration. The transversal ribs of the concentration component are made in the form of two mirror-facing each other semicylinders of the bigger and smaller diameter and tightly connected to each other by their lower edges and so forming the tubular cavities with the slit inlets inside the cavities from the side of charging the vibratory concentrator. The upper edges of the neighboring semicylinders of the smaller and bigger diameter are tightly linked among themselves from their outer sides by the inclined plat. The semicylinders of the tubular cavities are rest upon the frame with the lengthwise ribs, between which in the middle part of the frame there is the lengthwise groove. The cross-cut ends of the semicylinders of the tubular cavities are tightly densely are attached to the lateral vertically disposed walls. The lower part of the lateral walls from the side of the lengthwise groove is made hinged with the capability of the periodical opening of the tubular cavities in the internal cavity of the lengthwise groove. The technical result of the invention is the raise of the efficiency of concentration, and also the improved conditions of separation of the mineral mixtures.

EFFECT: the invention ensures the increased efficiency of the mineral concentration and the improved conditions of separation of the mineral mixtures.

3 cl, 3 dwg

FIELD: concentration of minerals; equipment for disintegration and classification of mineral particles from mass cemented by clay agent at plants and in washing devices.

SUBSTANCE: proposed centrifugal disintegrator has cylindrical housing with sizing screen mounted inside it, loading and unloading units. Loading unit is made in form of tangentially mounted branch pipe and unloading unit is made in form of separate branch pipes for discharge of coarse and fine fractions. Sizing screen is made in form of truncated cone of stacked plates; it is mounted along axis of cylindrical housing for rotation under action of tangentially directed flow of initial material; its lesser base is directed towards coarse fraction discharge branch pipe and larger base is directed towards fine fraction discharge branch pipe. Proposed disintegrator ensures separation of material by size classes for further concentration for entrapping fine fractions of valuable component.

EFFECT: enhanced efficiency.

2 dwg

FIELD: mining industry; equipment for minerals enrichment.

SUBSTANCE: the invention is pertaining to the field of mining industry, in particular, to the minerals enrichment with the help of the sizing screen-concentrator used for the minerals gravity enrichment and may be used for extraction of the useful components from the various grainy materials. The sizing screen-concentrator consists of: the duct with the sowing surface; the vibration exciter; the concentration component made in the form of the ribbed wear-proof coating with the transversal ribs and the longitudinal groove with the variable depth conjugated at the lower layer with the inter-rib cavities by means of the side holes. The transversal ribs have inclination in the direction of the longitudinal groove and the tilt in the direction of the sizing screen-concentrator loading. At that it is possible to change their quantity, height and the tilt angle. At the outlet end of the longitudinal groove there is the fixed concentrate collector. The duct and the sowing surface with the concentration component have the possibility to change the frequency and the amplitude of vibrations. The concentration component is made in the form of the thin-layer non-perforated plate, the transversal ribs on which made together with the plate. At that At that the plate is simultaneously used as the bottom of the longitudinal groove. The longitudinal groove has the side walls. The side holes are made in these walls. The thin-layer plate has the longitudinal walls vertically arranged and densely connected with the outer butts surfaces of the transversal ribs. The technical result of the invention is the increased efficiency of grading and the gravity concentration of minerals.

EFFECT: the invention ensures the increased efficiency of grading and the gravity concentration of minerals.

2 dwg

FIELD: mining industry; equipment for minerals enrichment.

SUBSTANCE: the invention is pertaining to the field of mining industry, to equipment for minerals enrichment, in particular, to the apparatuses for the minerals gravity concentration and may be used for extraction of the useful components from the different grainy materials. The jigging concentrator consists of: the duct; the vibration exciter; the concentration component made in the form of the ribbed wear-proof coating with the transversal ribs and the longitudinal groove with the varying depth conjugated at the lower layer with the inter-rib cavities through the lateral holes; the transversal ribs have inclination in the direction of the longitudinal groove and the tilt in the direction of the jigging concentrator loading. At that there is a possibility to change their number, height and tilt. At the outlet end of the longitudinal groove there is the fixed concentrate collector. The duct and the concentration component have the possibility to change the frequency and the amplitude of vibration. The concentration component is made in the form of the plate, the transversal ribs on which are made together with the plate. At that the plate is simultaneously used as the bottom of the longitudinal groove. The longitudinal groove has the side walls with the lateral holes made in these walls. The plate has the longitudinal walls vertically arranged and densely connected with the outer butts surfaces of the transversal ribs. The technical result of the invention is the increased efficiency of the minerals grading and gravity concentration.

EFFECT: the invention ensures the increased efficiency of the minerals grading and gravity concentration.

2 dwg

FIELD: opening of mineral deposits, in particular, equipment for decompression of clay sand ground of natural and technogenic origin by well-drilling method.

SUBSTANCE: apparatus has working space, vibrator, drive, vibration source, water supply system, and pulp removal system. Vibrator is made in the form of hermetically sealed hollow cylinder with internal longitudinal depressions of elliptic section, with center disposed beyond cylinder. Elongated axis of ellipse is arranged at an angle A to tangent of cylinder bottom in one direction. Pulp removal pipe is coaxially extending along longitudinal axis of cylinder. Apparatus may be used for working of clay sand ground and sludge, decompression of geological exploration samples, as well as in chemical and construction branches of industry.

EFFECT: increased efficiency in decompression and washing out of clay sands, reduced time for decompression thereof, simplified removal of pulp, provision for employment of apparatus for well-drilling processing of auriferous clay ground.

2 cl, 5 dwg

FIELD: physics; concentration of minerals (reduction of technological losses due to entrapping of fine-grained elements).

SUBSTANCE: proposed method includes disintegration of primary pulp by means of sieves according to class 40 mm inside drum and according to class 7-8 mm at inlet of main lock; automatic mixing of primary pulp and its natural degassing are performed at main lock outlet; secondary pulp is subjected to artificial aeration with air bubbles at inlet of additional lock by means of compressor and disperser; secondary pulp is also subjected to washing with circulating water directed from main water conduit over additional water conduit to several sprayers mounted above additional lock; fine metal particles possessing magnetic properties are entrapped in additional lock at action of electromagnetic waves at frequency of 15-20 kHz which are directed towards moving secondary pulp; for acting on secondary pulp, use is made of two piston-type hydroacoustic transducers strictly oriented towards each other; structure of circulating water used for washing the rock, as well as secondary pulp in main and additional water conduits is changed by mounting several inserts in main water conduit; inserts are made from tubes at section varying in length: from maximum at the beginning of each insert to 1/4 of diameter at the end of each insert; one of inserts is mounted immediately before point of connection of additional water conduit to main water conduit, as well as due to forming non-directive radiation of hydroacoustic signals of ultrasonic range of frequencies F2 by means of cylindrical hydroacoustic transducers of ultrasonic range of frequencies which is mounted at outlet of main water conduits forming non-directive radiation of hydroacoustic signals of ultrasonic frequency range F3 close to resonance frequency F0 of air bubbles used for aeration of secondary pulp by means of several (according to number of sprayers) spherical hydroacoustic transducers of ultrasonic range of frequencies mounted under sprayers of additional lock; mounted in circulating water settler is cylindrical hydroacoustic transducer for additional clarification of circulating water by forming non-directive radiation of hydroacoustic signals of low frequency range F4.

EFFECT: enhanced efficiency of entrapping fine metal (gold, platinum) including those possessing magnetic properties; rational nature management; enhanced ecological safety.

9 dwg, 3 tbl, 1 ex

Rubbing machine // 2262985

FIELD: cleaning and concentration of grain material; glass sand dressing.

SUBSTANCE: proposed rubbing machine contains chamber with suction branch pipe, working member in form of rotor with projections connected with shaft which is connected by clutch with electric drive, and stator with projections on upper surface rigidly installed on bottom of chamber coaxially with rotor. Chamber is made cylindrical and it contains deflector with ports on inner side walls. Rotor is essentially working wheel with blades in central part, and stator is made in form of plate with outer radius equal to inner radius of chamber, and inner radius exceeding outer radius of rotor attachment nut and equal to radius of suction branch pipe. Projections of rotor and stator are made ring coaxial, in number of two projections on rotor and stator. They are divided by through radial channels into equal segments. Difference between outer and inner radii of ring projections of rotor is constant, and that of stator, is constant and equal to difference between outer and inner radii of ring projections of rotor. Centers of cross sections of ring projections of rotor and stator are displaced relative to each other.

EFFECT: improved efficiency of rubbing off films from grain material surfaces, reliability of working members of rubbing machines, simplified operation and maintenance.

2 cl, 3 dwg

FIELD: regeneration of drilling muds and flushing fluids; concentration of minerals; separation of various suspensions and emulsions; purification of waste water and circulating water.

SUBSTANCE: proposed method includes delivery of suspension at pressure differential to device of separation of suspensions by means of sieving classification on filtering surface under flooded conditions at oscillation of suspension, discharge of filtrate, precipitation and discharge of solid phase sediment. Suspension in form of horizontal flow is first passed through labyrinth of oscillating plates and then is directed for sieving classification performed in pulse-wave mode of pumping the suspension through sieve due to reflected waves. Proposed method is performed by means of device having closed reservoir with stack of precipitation plates, sieve, branch pipe for delivery of suspension inside reservoir, suspension oscillation source, screw feeder for discharge of sediment and gas and filtrate discharge branch pipes. Precipitation plates are rigidly secured to housing by two fins and are hermetically fastened with housing and cover of reservoir; they are coupled together on opposite sides in form of combs, thus forming labyrinth in plan for passage of suspension; they have different sizes: minimum size at inlet and maximum size at outlet; plate of maximum size is used as reflecting shield. Sieve is placed in perforated rigid cassette and oscillation source is brought in contact with flexible wall of reservoir.

EFFECT: enhanced efficiency of separation, clay and sludge suspensions in particular which are used as drilling muds.

8 cl, 4 dwg

Up!