Technological complex of ore suspension separation system

FIELD: metallurgy.

SUBSTANCE: technological complex includes hydraulic cyclone block with distributor of suspensions in the form of pulp, electric driven pump, suction and delivery pulp lines, coarse crushed ore supply conveyor, fine ore crushing mill, particle-size classifier, sump, technological water supply system, shutoff and control valves and automatic control and monitoring system. Each hydraulic cyclone is made in the form of cylindrical conical housing with receiving chamber in upper part, which is connected by means of feed branch pipe to pulp distributor, and equipped with cover plate with drain branch pipe and sand head piece combined at the bottom with similar header with similar head pieces of other hydraulic cyclones. Mill is connected at the inlet to coarse grained ore receiver and at the outlet to particle-size classifier having two outlet channels by means of which the latter is interconnected via fine fraction of ore with sump, and by means of the other one it is switched to mill in recirculation manner. Sump is interconnected via T-piece and suction pulp line with delivery technological water supply pipeline with possibility of controlled change-over to washout of pulp in sump, and turbine pump is interconnected with similar delivery pipeline in adjustable manner.

EFFECT: increasing efficiency and improving the quality of ore suspension separation as per fractions at reduction of power costs, increasing stability and operating life without stops for repair and replacement of quick-wearing parts; improving hydraulic cyclone designs.

5 cl, 6 dwg

 

The invention relates to techniques for fractional separation of suspensions ores, namely the technological systems of separation of suspensions ore mining and metallurgical complexes, and can be used in the mining industry, ferrous and nonferrous metallurgy, chemical and other industries.

Known installation for grinding and fractionation ore hydrocyclone containing driven by an electric motor pump, preferably a centrifugal for supply flow rate to a predetermined height, the control device for the motor for adjusting the rotation speed of the motor driving the pump and connected to the control unit engine and many other parts of the installation control computer, which enter the measured value of the current consumption power of a drive motor of the pump (RU 2182045 C1, 10.05.2002).

Known technological complex containing hydrocyclone installation that includes the capacity for original waste liquid slurry of the product and pure liquid hydrocyclone with the input, the drain and slurry nozzles, a pump for supplying the original liquid in the hydrocyclone, the injector. The installation of the software package supplied with the second cleaning stage in the form of multipication with the input, the drain and slurry pipe, the mouth is established between the cyclone and the capacity of clean fluid from the inlet and outlet nozzles (EN 2244598 C1, 20.01.2005).

The disadvantages of the known technical solutions are relatively complicated construction and interconnection of the units shredding systems, internal technological transport of dry and wet streams and systems of fractional separation of suspensions ores and control systems of technological processes, maintaining operational parameters and maintenance of the units that are not conducive to reducing energy intensity, increasing the duration turnaround periods of operation of these units and in the long run do not maintain proper quality division of fractions and necessary hydrodynamic balance work hydrocyclones.

The problem solved by the invention is to improve the efficiency and quality of separation of suspensions ore fractions by reducing energy consumption, as well as to improve the stability and duration without stops on the repair and replacement of wear parts, the improvement of the hydrocyclone, the system of interaction between aggregates crushing and internal transport of conditioned crushed and oversized particles of ore processing facility.

The problem is solved in that the proposed technological complex system of separation of ore suspensions according to the invention soda is separated by the hydrocyclone unit with dispenser, electric pump unit consisting of at least one pulp pump with electric motor, suction and discharge pipeline, conveyor feeding coarsely ground ore, mill fine grinding of ore, fractional classifier, sump system, process water supply, shut-off and regulating valves with actuators, sensors, pressure control, flow of process water in the system and level rudosoderzhaschuyu slurry - slurry in the sump, and preferably a two-tier system of automatic management and control, including local controls and control and place the system operator top control, with each hydrocyclone contains a cylindrical housing with a receiving cell in the upper part, which is connected nutritious connection with the distributor of pulp, has a lid with a drain pipe projecting into the housing, at least most of the height of chamber, and sand nozzle, United below the same manifold with the same nozzles other hydrocyclones back on the final grinding mill fine grinding separated in the hydrocyclone oversized large particles, and mill fine grinding in turn is connected at the input to the receiver ore coarse and output with fractional classificat the rum, having two output channels, one of which last reported on the fine ore fraction with the sump, and the other recirculation skommutirovany with the said mill on the return nemolotoy fraction of large particles, the sump is equipped with a pipe open process water supply and communicated adjustable overlapping absorbent slurry pipeline to the input of the turbopump, which in turn is communicated to pressure the pulp from the dispenser unit of hydrocyclones in addition, the sump through the tee and the above-mentioned suction pipeline is in communication with the discharge process water supply pipeline with the possibility of an adjustable switch on the washing of the slurry in the sump, and the turbopump adjustable reported with similar pressure pipe with the possibility podostemaceae washing turbopump in the hydrocyclone performance (130450) m3/h noise through his suspension inner diameter of the cylindrical part of the housing that defines the greatest centrifugal runway three-dimensional spiral swirl flow of the suspension is made greater than in (2,73,5) times the output diameter of the drain pipe, and the cross-sectional area of the latter is (1,251,95) cross-sectional area of nutrient nozzle and (4,814,5) times the cross sectional area of the outlet channel Sands is th nozzle at an angle of taper in the lower part of the body, equal (1418) degrees.

At the same time as pulp pump can be accepted quantum type horizontal centrifugal pulp capacity from 800 to 6000 m3/h, for example, marks from recurrent laryngeal nerve 800 to recurrent laryngeal nerve 6000 or interlocked system is similar to pumps, providing in aggregate the required total capacity.

Automatic control system and control performed duplex, can be fitted with blocks of collection, measurement information from the sensors and generate commands to start, stop, maintain a balanced work of these units, technology systems and actuators, and the operator's seat monitoring system equipped with devices visualization of parameters of technological processes, including at least one computer, monitor and printer with the conservation values of the technological and diagnostic parameters in the database for at least twelve months and the opportunity to reflect and reproduce the data schema of the technological complex data and equipment status.

Each hydrocyclone designed with variant performance suspension separation of ores from 20 to 400 m3/h and more, can be performed preferably teams, consisting of sections in the form of a conjugate according to the height of bodies of rotation number promezhutocheyna sections, in addition to the cylindrical inlet chamber, from zero to two, and tapered from one to three and has an internal lining of wear-resistant material, such as rubber or polyurethane.

Each hydrocyclone designed with variant performance suspension separation of ores from 130 to 450 m3/h, can be performed preferably teams, consisting of sections in the form of a conjugate according to the height of bodies of rotation number of intermediate cylindrical sections, in addition to the cylindrical inlet chamber, from zero to two, and tapered from one to three and has an internal lining of wear-resistant material, such as rubber or polyurethane.

The technical result provided by the present set of features is to improve the efficiency and quality of separation of suspensions ores due to the developed invention the relationship of technological stages crushing, primary fractional classification and subsequent discharge from suspensions in hydrocyclones conditioned ore fractions with recirculation return the non-conforming large particles in the final grinding mill fine grinding. This system has been developed in Association blocks hydrocyclone separation between the overall performance of the unit reduces wear-intensive centrifugal effect on the abrasion working parts of hydrocyclones, h is about leads to longer preservation design parameters, improving the operation quality of the separation of ores, improving performance and duration of the overhaul of the technological complex.

The invention is illustrated by drawings, where:

figure 1 shows the technological complex system of separation of suspensions ores, technological scheme;

figure 2 - the technological arrangement of hydrocyclones in the block variant with two hydrocyclones, skommutirovany with nutrient dispenser nozzles, front view;

figure 3 - the same, top view;

figure 4 - process arrangement of hydrocyclones in the block variant with six hydrocyclones, skommutirovany with nutrient dispenser nozzles, front view;

figure 5 - the same, top view;

figure 6 - the hydrocyclone with a partial cut front view.

Technological complex system of separation of suspensions ore contains a block of hydrocyclones 1 with the dispenser 2, the electric pump unit consisting of at least one pulp pump 3 with electric suction and discharge pipeline 4 and 5, respectively, the conveyor 6 feeding coarsely ground ore, 7 mill fine grinding of ore, fractional classifier 8, sump 9, the system 10 process water supply, shut-off and regulating valves with actuators, the sensor 11 of the control pressure, flow sensor those the ideological water in the system and the sensor 12 level rudosoderzhaschuyu suspension - slurry in sump 9. Technological complex also contains preferably a two-tier system of automatic control and monitoring system (not shown), including local controls and control and place the system operator top of the control.

Each hydrocyclone 1 contains a cylindrical housing 13 with the receiving chamber 14 in the upper part, which is connected nutritious pipe 15 with the dispenser 2 pulp, has a lid with a drain pipe 16, protruding into the housing 13, at least most of the height of chamber 14, and sand nozzle 17, United below the same manifold 18 with the same nozzles other hydrocyclones 1 back for final grinding in a mill 7 fine grinding separated in the hydrocyclone 1 oversized large particles.

The 7 mill fine grinding in turn is connected at the input to the receiver 19 ore coarse and output with fractional classifier 8, having two output channels 20 and 21. 20 channel fractional classifier 8 reported on a fine-grained fraction of the ore from the sump 9 and channel 21 recirculation skommutirovany with the said mill 7 return nemolotoy fraction of large particles.

The sump 9 is supplied by a pipe 22 open process water supply and communicated adjustable overlapped absorption of PulPaper what Bodom 4 to the input of the turbopump 3, which in turn is communicated to pressure the pulp line 5 with the valve block 2 hydrocyclones 1. The sump 9 through tee 23 system 10 process water and the above-mentioned suction pipeline 4 is in communication with the pressure pipe 24 of the system 10 process water supply with the possibility of an adjustable switch on the washing of the slurry in the sump 9. The turbopump 3 adjustable reported with similar pressure pipe 24 with the possibility podostemaceae washing turbopump 3.

In the hydrocyclone 1 performance (130450) m3/h noise through his suspension inner diameter of the cylindrical part of the housing 13 that defines the greatest centrifugal runway three-dimensional spiral swirl flow of the suspension is made greater than in (2,73,5) times the output diameter of the discharge pipe 16, and the cross-sectional area of the latter is (1,251,95) cross-sectional area of nutritional pipe 15 and (4,814,5) times the cross sectional area of the outlet channel sand nozzle 17 at the angle of taper in the lower part of the housing 13, is equal to (1418) degrees.

As pulp pump adopted the turbopump 3 type horizontal centrifugal pulp capacity from 800 to 6000 m3/h, for example, marks from recurrent laryngeal nerve 800 to recurrent laryngeal nerve 6000 or interlocked system is similar to pumps, providing owls is kupeli the required total capacity.

Automatic control system and control performed duplex with blocks of collection, measurement information from the sensors and generate commands to start, stop, maintain a balanced work of these units, technology systems and actuators, and the operator's seat monitoring system equipped with devices visualization of parameters of technological processes, including at least one computer, monitor and printer with the conservation values of the technological and diagnostic parameters in the database for at least twelve months and the opportunity to reflect and reproduce the data schema of the technological complex data and equipment status.

Each hydrocyclone 1, developed with variant performance suspension separation of ores from 20 to 400 m3/h and more preferably be teams consisting of sections 25 in the form of a conjugate according to the height of bodies of rotation number of intermediate cylindrical sections, in addition to the cylindrical inlet chamber 14, from zero to two, and tapered from one to three and is provided with an inner lining 26 of the wear-resistant material, such as rubber or polyurethane.

Each hydrocyclone 1, developed with variant performance suspension separation of ores from 130 to 450 m3/h, preferably made the boric, consisting of sections 25 in the form of a conjugate according to the height of bodies of rotation number of intermediate cylindrical sections, in addition to the cylindrical inlet chamber 14, from zero to two, and tapered from one to three and is provided with an inner lining 26 of the wear-resistant material, such as rubber or polyurethane.

Has technological complex as follows.

Feeding coarsely ground ore in a system of separation of suspensions ores carried out on the conveyor 6. Next, the ore is fed into the mill 7 fine grinding of the ore and from there to the fractional classifier 8. From fractional classifier neomalota fraction of large particles of ore through the channel 21 is coming to the final grinding in a mill 7 and fine fractions of the ore through the channel 20 are received in the sump 9. From the sump 9 suspension ore turbo pump 3 through the pipeline 4 and 5 serves to block hydrocyclone 1.

The pulp enters the hydrocyclone 1 through the distributor 2. The flow of slurry is accelerated in the supply pipe 15 of the hydrocyclone 1 and is supplied in its cylindrical part. Next, the pulp slides down along the inner conical part of the housing 13 of the hydrocyclone 1 to sand the nozzle 17. The main part of the fine fraction extracted in the form of a suspension goes up and through the drain pipe 16 is sent to other technological systems. A larger fraction through the sand nozzle 17 to the speaker 18 go down to the final grinding in the mill 7.

The automatic control system and control maintain constant two parameters constant pressure at the entrance to the cyclone 1 and the specified level of suspension of ore in the sump 9. The constant pressure to support the regulation of the supply amount of water in the sump 9 and the suspension level - change speed turbopump 3.

When changing the feed slurry of the ore in the sump 9 changes the liquid level in the sump 9. In accordance with the magnitude of the changes in the level of slurry in sump 9 of the nominal increase (or decrease) the speed of the turbo pump 3, thereby increasing (or decreasing) the pressure at the inlet to the cyclone 1.

When the pressure below the set (or rise more given) increases (or decreases) the amount of water supplied to the sump 9 in accordance with the magnitude of the pressure change. The level of suspension of ore in sump 9 is incremented (or decremented), the speed of the turbopump 3 increase (or decrease) and the pressure at the inlet to the cyclone 1 is restored.

Start and stop turbopump 3 is performed with local controls, located at turbopump 3, or from the operator of the control system of the upper level.

After the turbopump 3 washed through the tee 23 system 10 process water.

Thus, due to the developed invention vzaimosvaz the technological stages of grinding, primary fractional classification and subsequent discharge from suspensions in hydrocyclones conditioned ore fractions with recirculation return the non-conforming large particles in the final grinding mill fine grinding increases the efficiency and quality of the suspension separation of ores.

1. Technological complex suspension separation of ores, characterized in that it contains a block of hydrocyclones with valve suspension in the form of pulp, electric pump unit consisting of at least one pulp pump with electric motor, suction and discharge pipeline, conveyor feeding coarsely ground ore, mill fine grinding of ore, fractional classifier, sump system, process water supply, shut-off and regulating valves with actuators, sensors, pressure control, flow of process water in the system and level rudosoderzhaschuyu slurry - slurry in the sump, and preferably a two-tier system of automatic control and monitoring, including remote local management and control and place the system operator top control, with each hydrocyclone contains a cylindrical housing with a receiving chamber in the upper part, which is connected nutritious connection with the distributor of pulp, has a lid with a drain pipe, protruding inside the orpus, at least most of the height of chamber, and sand nozzle, United below the same manifold with the same nozzles other hydrocyclones back on the final grinding mill fine grinding separated in the hydrocyclone oversized large particles, and mill fine grinding is connected at the input to the receiver ore coarse and output - fraction classifier having two output channels, one of which last reported on the fine ore fraction with the sump, and the other recirculation skommutirovany with the said mill on the return nemolotoy fraction of large particles, and the sump is equipped with a pipe open supply process water and reported adjustable overlapping absorbent slurry pipeline to the input of the turbopump, which is communicated by the pressurized slurry pipeline from the block allocator hydrocyclones, with the sump through the tee and the above-mentioned suction pipeline is in communication with the discharge process water supply pipeline with the possibility of an adjustable switch on the washing of the slurry in the sump, and the turbopump adjustable reported with similar pressure pipe with the possibility podostemaceae washing turbopump in the hydrocyclone performance 130450 m3/h noise through it, suspen the AI, the internal diameter of the cylindrical part of the body that defines the greatest centrifugal runway three-dimensional spiral swirl flow of the suspension is made greater than 2.73.5 times the output diameter of the drain pipe, and the cross-sectional area of the last 1.251,95 cross-sectional area of nutritional pipe and 4.814.5 times greater than the cross-sectional area of the outlet channel sand nozzle when the taper in the lower part of the body, is 1418.

2. Technological complex according to claim 1, characterized in that as the pulp pump it includes a turbo pump type horizontal centrifugal pulp capacity from 800 to 6000 m3/h, for example, marks from recurrent laryngeal nerve 800 to recurrent laryngeal nerve 6000 or interlocked system of similar pumps, providing in aggregate the required total capacity.

3. Technological complex according to claim 1, characterized in that the automatic control system and control performed duplex with blocks of collection, measurement information from the sensors and generate commands to start, stop, maintain a balanced work of these units, technology systems and actuators, and the operator's seat monitoring system equipped with devices visualization of parameters of technological processes, including at least one of whom is uterum, monitor and printer with the conservation values of the technological and diagnostic parameters in the database for at least twelve months with the possibility of reflection and reproduction schema data processing facility and data about the condition of the equipment.

4. Technological complex according to claim 1, wherein each hydrocyclone has performance suspension separation of ores from 20 to 400 m3/h and more preferably be teams consisting of sections in the form of a conjugate according to the height of bodies of rotation number of intermediate cylindrical sections without cylindrical inlet chamber to two and tapered from one to three and has an internal lining of wear-resistant material in the form of rubber or polyurethane.

5. Technological complex according to claim 1, wherein each hydrocyclone performance suspension separation of ores from 130 to 450 m3/h preferably be teams consisting of sections in the form of a conjugate according to the height of bodies of rotation number of intermediate cylindrical sections without cylindrical inlet chamber to two and tapered from one to three and has an internal lining of wear-resistant material in the form of rubber or polyurethane.



 

Same patents:

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SUBSTANCE: invention relates to a method of producing a carbon sorbent used for extracting rare metals, particularly gold cyanide from aqueous alkaline solutions. The method involves treatment of activated carbon with a polymer with amino groups. Activated charcoal is treated using polyhexamethylene guanidine hydrochloride in form of an aqueous solution. After treatment, alkali is added while stirring and the solution is separated from the carbon. The carbon is saturated with ammonia solution, phenol and formalin. The mixture is held while boiling for 1-5 hours and the carbon separated from the solution is dried at 150-160C.

EFFECT: obtaining a carbon composition with high strength and anion-exchange capacity from readily available and cheap charcoal.

1 tbl, 5 ex

FIELD: process engineering.

SUBSTANCE: invention relates to ore suspension separation, particularly, to hydrocyclone units used in fine ore suspension separation systems in mining, metallurgy, chemical industry, etc. Proposed system comprises unit of hydrocyclones, pulp distributor whereto connected are one to eight hydrocyclones with total capacity of 550 to 2600 m3/h of separated ore suspension. Unit hydrocyclones are mounted on common frame. Every hydrocyclone is shaped to tapered-cylinder housing with intake chamber, feed and discharge branch pipes, and sand bed integrated with those of other hydrocyclones and provided with inner lining of wear resistant material. Hydrocyclone housing cylindrical part ID is 2.9-3.6 times larger than that of discharge branch pipe while cross-section of the latter makes 1.27-1.89 of cross-section area of feed branch pipe and is 5.0-14.0 times larger than that of sand bed outlet channel at taper angle of hydrocyclone housing bottom of 16-22 degrees.

EFFECT: higher efficiency and quality of suspension separation, power savings, continuous operation.

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FIELD: process engineering.

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1 tbl

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3 tbl, 2 ex

FIELD: metallurgy.

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5 tbl, 5 ex

FIELD: process engineering.

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11 cl, 5 dwg

FIELD: technological processes, filters.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, fan, pipes, four dust collectors at oncoming swirl gas flows, each collector made in the form of cylindrical case with conical tank, tangential top inlet pipe, inlet swirler in bottom inlet pipe, with axial outlet pipe for cleaned gas and dust discharge pipe in which floodgate is mounted, and dampers in pipes. Conical tank of first dust collector has dust and gas mix discharge pipe. Source of gas to be cleaned is connected to tangential inlet pipe and inlet swirler of first dust collector, axial outlet pipe of which is connected to tangential inlet pipe and inlet swirler of second dust collector. Axial outlet pipe of second collector is connected to inlet swirler of fourth dust collector. Dust and gas mix discharge pipe of conical tank of first dust collector is connected to tangential inlet pipe and inlet swirler of third dust collector, axial outlet pipe of which is connected to tangential inlet pipe of fourth dust collector, and axial outlet pipe of fourth collector is connected to the fan inlet.

EFFECT: enhanced efficiency of dusted gas treatment, especially for fine-dispersed particles.

2 cl, 1 dwg

FIELD: technological processes.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, pipes, fan, three dust collectors at oncoming swirl gas flows, dampers and conical separation concentrator installed in the pipes, concentrator containing cylindrical swirl chamber connected to inlet chamber with tangential inlet. Swirl chamber encases axial pipe for discharge of gas flow with lesser dust concentration, pipe outlet located at the swirl chamber side opposite to inlet chamber. Swirl chamber surface carries side pipe for discharge of gas flow with larger dust concentration. Source of gas to be cleaned is connected to tangential inlet of separation concentrator, side pipe of which is connected via dampers to tangential inlet pipe and inlet swirler of first dust collector. Axial outlet pipe of first collector is connected to tangential inlet pipe of third dust collector via a damper and to side pipe of separation concentrator via dampers. Axial pipe of concentrator is connected to tangential inlet pipe and inlet swirler of second dust collector, axial outlet pipe of which is connected to inlet swirler of third dust collector and to axial outlet pipe of separation concentrator, while axial outlet pipe of third dust collector is connected to suction pipe of fan.

EFFECT: improved gas treatment efficiency, convenience of maintenance.

3 dwg

FIELD: technological processes.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, fan, pipes and three dust collectors at oncoming swirl gas flows, each collector made in the form of cylindrical case with conical tank, tangential top inlet pipe, inlet swirler in bottom inlet pipe, and dust-screening conical disk at its outer surface, with axial outlet pipe for cleaned gas and dust discharge pipe in which flood gate is mounted. Conical tanks of first and second dust collectors have dust and gas mix discharge pipes. Source of gas to be cleaned is connected to the fan inlet, fan delivery nozzle is connected by pipes with dampers to tangential inlet pipes and inlet swirlers of first and second dust collectors, axial outlet pipes of which enter open air. Dust and gas mix discharge pipes of conical tanks of first and second dust collectors are connected by pipes with dampers to tangential inlet pipe and inlet swirler of third dust collector, axial outlet pipe of which is connected over a damper to pipe connecting source of gas to be cleaned to the fan inlet.

EFFECT: efficient treatment system for large gas volumes.

1 dwg, 1 ex

FIELD: separation of heterogeneous dispersed systems; devices for centrifugal separation of liquids from mechanical admixtures in hydraulic cyclone clearances; metallurgy and metalworking industry.

SUBSTANCE: proposed hydraulic cyclone plant includes reservoirs for initial waste liquid, sludge product and clean liquid, hydraulic cyclone with inlet, drain and sludge branch pipes, pump for delivery of initial liquid to hydraulic cyclone, injector and multi-hydrocyclone with inlet, drain and sludge branch pipes mounted between hydraulic cyclone and clean liquid reservoir provided inlet and outlet branch pipes; reservoir for sludge product provided with compressed air and flushing liquid branch pipes is located under sludge branch pipes of hydraulic cyclone and multihydrocyclone; injector fitted in initial liquid supply pipe line is provided with branch pipe for introduction of carbon dioxide from bottle. Proposed plant ensures through cleaning of waste liquid from solid particles of admixtures having diameter of 10 mcm up to 76-90%. Process of carbonization of liquid in shifting the admixtures from water-soluble state to solid phase reduces their concentration by 125 times. Repeated return of cleaned liquid to production saves chemical reagents by two times.

EFFECT: enhanced efficiency.

1 dwg

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