1046results about How to "Improve sorting effect" patented technology

The invention provides a method for separation of placenta-derived mesenchymal stem cells, and for amplification and culture in vitro. After decidual tissue cells on the side of a placenta matrix are adopted and collected, primary culture cells are amplified by adhering to wall; the placenta-derived mesenchymal stem cells are purified by adopting positive and negative immunological sorting and combination method to get CD34<->CD105<+> cells which are secondarily amplified and cultured in a serum-free culture system in vitro. By adopting the method provided by the invention, just few primary culture cells (1X10<5> cells) are needed every time to produce a good sorting result; and the purification rate of the placenta-derived mesenchymal stem cells is further improved. Not only the culture system used has significant advantage of amplification over placenta-derived mesenchymal stem cells, but also the amplified cells have multiplex differentiation potential. The method can be applied for purification of placenta-derived mesenchymal stem cells and amplification and culture in vitro.

The invention discloses a fine flaky-cryptocrystalline mixed graphite separation technique which comprises the following steps: primary rough grinding and rough separation, quintic regrinding and sextic concentrating, and middling centralized processing. According to the technique, in the rough separation step, the grinding fineness is -0.074mm, and the content is 90-95%; in the concentrating step, the regrinding fineness is -0.045mm, and the content is 90-95%; and thus, the graphite monomer is sufficiently dissociated, thereby sufficiently ensuring the fixed carbon content and recovery rate of the concentrated concentrate. The technique adopts gradually decreased low concentrating concentrations in multiple concentrating process to ensure the dispersity of ore slurry, thereby solving thesevere problem of entrapped impurities in floatation foam; and thus, in the final concentrate, the fixed carbon content is 91.35%, and the recovery rate is 91.30%, thereby solving the problems of lowtechnical indexes, low grade, low recovery rate and high cost in the fine flaky-cryptocrystalline mixed graphite concentrate separation, so that the fine flaky-cryptocrystalline mixed graphite ores are utilized in an efficient, economical and reasonable way.

The invention discloses a telligent dry separator (TDS). The telligent dry separator is characterized in that an intelligent identification method is adopted for establishing corresponding analysis models according to different characteristics of coal quality, through big data analysis, digitalized identification is conducted on coal and gangue, and finally the gangue is discharged through an intelligent execution system. The telligent dry separator (TDS) comprises four major systems, namely a feeding system, a material distribution system, an identification device and an execution mechanism, and three auxiliary systems, namely an air supplying system, a dedusting system and an electric control system. By means of the telligent dry separator (TDS), separation precision can be improved, the lower separation limit can be further lowered, and a condition is created for achieving the effect that all block raw materials ranging from 3mm to 300 mm adopt the intelligent dry separation process. Compared with traditional cleaning equipment, the telligent dry separator (TDS) has the advantages that on the aspect of construction investment, a system can be simplified, investment can be reduced, and the construction period can be shortened; on the aspect of separation effects, precision can be guaranteed, the heat value can be raised, and no coal slime is generated; on the aspect of production cost, consumption can be lowered, maintenance can be reduced, and manual work can be decreased.

The invention discloses a bar-cigarette self-picking craft, which is characterized by the following: opening the cigarette box automatically; fetching cigarette pile from box; feeding material automatically through over two picking equipments; picking different kinds of bar-cigarette on respective transmission equipment according to the need of order. The invention can improve material-supplement and picking efficiency and system disposal ability, which reduces the labor strength.

The invention relates to a high sulfur copper ore collecting agent, which is characterized by consisting of the following materials in part by weight: 40 to 50 parts of alkyl allyl thionocarbamate, 35 to 45 parts of sulfur nitrogen nitrile ester and 8 to 15 parts of alkyl xanthonic acid propionitrile ester. The collecting agent has double properties of collecting and foaming, high selectivity and high collecting capacity, can realize high-efficiency separation of copper and sulfur when the pH value is in a range from 7 to 10, can effectively improve the concentrate grade and the recovery rate, and has a wider application range.

The invention relates to a garbage classifying, recycling and treating system and a garbage classifying and recycling method. The garbage classifying, recycling and treating system comprises a garbage crushing device and a garbage separation pool, wherein the crushing device comprises a first crushing device and a second crushing device; the output of the first crushing device corresponds to the feeding port of the second crushing device; and the output of the second crushing device is connected with the feeding port of the garbage separation pool. The garbage treatment method comprises the following steps of: firstly, extruding and crushing the garbage at the first crushing device, tearing the garbage in bags so as to expose the liquid or solid in the bags; secondly, smashing, grinding and extruding the garbage through the second crushing device; and finally discharging the garbage from the second crushing device and feeding the garbage into the separation pool to be separated. Through separation according to different proportions, the system and the method require less equipment and are low in cost and good in separation effect.

The invention relates to a flotation agent for a copper mine and discloses a high-efficiency collecting agent for a high-sulfur copper mine. The collecting agent comprises the following materials in parts by weight: 30-40 parts of alkyl phosphorodithioic acid thioether ester, 25-35 parts of cyanoethyl diethyl dithionocarbamate, 10-20 parts of alkyl xanthic acid propionitrile ester and 10-15 parts of sulfur-nitrogen ester. The collecting agent for the high-sulfur copper mine has double functions of collecting and foaming, is good in selectivity and high in collecting ability, can realize high-efficiency separation of copper from sulfur in a low pH value (approximately 5) range, can effectively reduce the consumption of lime in the floatation process, can effectively increase the grade and recovery rate of concentrate, and has a wider application scope.

The invention discloses a pollution-free flotation separation method of copper-lead-zinc polymetallic ore. Firstly, the crushed raw ore and water are ground at a ratio of 1:1 until the fineness of the material discharged from the ball mill is -0.074mm and reaches 90-95%. Add lime, sodium sulfide, zinc sulfate, sodium sulfite inhibitor and butyl xanthate collector for copper-lead mixed flotation, copper-lead roughing concentrate and then grind to -0.045mm90~95%, add inhibitor under low alkalinity Agent zinc sulfate + sodium sulfite, collector Z-200 lead-suppressing floating copper to achieve asynchronous separation of copper and lead, and obtain copper concentrate after one roughing and two selections; copper and lead separation roughing tailings are swept once and then lead is separated In the lead selection operation, lime is added to strengthen zinc suppression and sulfur, butyl xanthate is used as a collector, and lead concentrate is obtained after one roughing and two sweepings and two sweepings; the lead sweeping tailings return to the copper-lead mixed roughing operation, Other medium mines return to the previous operation in sequence. The method has the advantages of green and pollution-free, low production cost, and good sorting effect, and realizes efficient separation and comprehensive recovery of copper, lead and zinc.

The invention relates to a method for separating zinc and indium and iron from indium-enriched high-iron high-zinc calcine through reduction-magnetic separation, belonging to the technical field of mineral processing. The invention is characterized in that the method adopts the technical means that mineral dressing is combined with smelting and performs smelting firstly and mineral dressing secondly; and the method is as follows: the waste heat of the indium-enriched high-iron zinc calcine obtained through fluidized roasting is utilized, the indium-enriched high-iron zinc calcine is introduced to perform low-temperature weak reduction treatment at below 570 DEG C and ensure that zinc ferrite is decomposed and reduced to ZnO, Fe3O4 and iron, the reduced calcine is levigated to prepare slurry, and zinc and indium and iron is separated through wet-type magnetic separation to obtain iron ore concentrates and indium-enriched zinc- enriched ore concentrates. The method has low energy consumption and low dosage of a reducing agent, is simple in operation, easy in control and high in metal recovery rate. Therefore, the indium embedded and distributed in zinc ferrite can be released, the loss caused by the high temperature volatilization of indium can be avoided, and the zinc and indium and iron of the indium-enriched high-iron high-zinc calcine can be separated in an ore dressing manner before leaching.

The invention discloses a wide-grain-grade double-dense-medium process for separating all coarse coal slime. The wide-grain-grade double-dense-medium process includes that raw coal is preliminarily sieved, manually picked and graded, then oversize products can be used as coarse grain coal, the coarse grain coal is fed into a non-pressure tri-product dense-medium cyclone to be separated, undersize products are concentrated and graded and then are dehydrated in an underflow manner to be used as fine grain coal, the fine grain coal is fed into a pressure tri-product dense-medium cyclone to be separated, and excess flow is fed into a flotation filter-press system, so that the coal slime can be separated; qualified suspension liquid of a fine grain coal dense-medium separating system is provided by coarse grain clean coal of a coarse grain coal separating system, lower branches of coarse grain middling coal primary-section medium removing equipment and branches of coarse grain clean coal and coarse grain middling coal magnetic separation concentration; dilute suspension liquid of coarse grain gangue products and dilute suspension liquid of middling coal and gangue products of a fine grain coal system are treated together; magnetic separation tailings are used as wetting water or primary spray water for grading screens. The wide-grain-grade double-dense-medium process has the advantages that the fine grain coal dense-medium system has a medium automatic generating function, all the coarse coal slime can be efficiently separated by dense media, the suspension liquid is circulated in a closed-loop manner, the separation efficiency is high, the products are flexible in structure, and the production and operation costs are low.

The invention discloses a steel ball sorting machine. The steel ball sorting machine comprises a hopper, a rotary type ball taking device, a steel ball distributing device and at least one group of steel ball sorting devices, wherein the hopper is arranged on a stander, the rotary type ball taking device is arranged at the bottom of the hopper, the steel ball sorting devices are arranged on the stander, and steel ball delivery pipes are connected on the steel ball distributing device; the rotary type ball taking device and the steel ball sorting devices are respectively driven by a ball taking power device and a sorting power device, each steel ball sorting device comprises two rotating rollers, one ends (close to the steel ball delivery pipes) of the rotating rollers are high and the other ends of the rotating rollers are low, the two rotating rollers are both connected with the sorting power device in a power manner, two ends of each rotating roller are respectively and rotatably connected on two slide blocks capable of sliding on the stander, and gap adjusting devices capable of adjusting the size of a gap between the two rotating rollers are arranged on the two slide blocks at the same end; and a ball receiving groove is formed below the steel ball sorting devices, a plurality of ball receiving regions sequentially arrayed along the length directions of the rotating rollers are arranged in the ball receiving groove. The steel ball sorting machine is simple in structure, high in production efficiency, high in sorting quality and good in sorting effect.

The invention discloses a cross-media sorting method based on hidden space learning and two-way sorting learning. The method includes 1, centrally constructing sorting samples of text retrieval images and sorting samples of image retrieval texts into a training sample; 2, performing cross-media sorting learning based on the hidden space learning and the two-way sorting learning on the constructed training sample, and acquiring a multimedia semantic space and a cross-media sorting model; 3, using the learned cross-media sorting model to performing cross-media sorting. The method can be applied in the text retrieval images and the image retrieval texts, and modeling is performed on two retrieval directions simultaneously, the acquired semantic understanding capacity of a retrieval model is stronger, and retrieval accuracy is higher as compared with the method considering one-way sorting learning only.

The invention discloses a method for preparing a fatty hydroximic acid collecting agent, which is characterized by comprising the following steps of: stirring alkyl hydroximic acid having more than or equal to 5 to 9 carbon atoms, fatty acid having 5 to 22 carbon atoms and mixed solvent oil having 4 to 30 carbon atoms for reaction at room temperature and then separating an oil phase from a water phase, wherein the oil phase is the fatty hydroximic acid collecting agent. The collecting agent of the invention has good selectivity, high collectivity, proper foaming characteristic and easy dissolution in water. Rare earth metal concentrate is obtained by the following steps of: grinding crude rare earth metal oxide ore; adding sodium hydroxide, water glass, sodium fluorosilicate and sodium sulphide into the grinded ore; adding the fatty hydroximic acid collecting agent of the invention into the mixture; then adding modified starch into the mixture; and finally performing flotation. The collecting agent of the invention is a flotation collecting agent for the rare earth metal oxide which is suitable for industrial production and has simple process and high separation efficiency.

The invention discloses sorting technology for a coarse coal slurry damping pulsation interference bed. The sorting technology is formed by the mutual connection of an interference bed sorter, a feeding system, a peristaltic pump, a cleaned coal recovering system, and a water pump, and is characterized in that the inside of the interference bed sorter is added with a plurality of damping blocks and screens; the middle part of the interference bed sorter is connected with the feeding system to form a stable fluid bed; simultaneously, a diaphragm is additionally arranged on the lower part of the interference bed sorter and the upper part of a heavy product discharge port to generate a pulsating flow, so that particles with different densities gain the accelerating effect and retarding effect, and the leading action of the density on the separation effect is strengthened; the peristaltic pump is used for discharging heavy products, so that the processing capability of the equipment is improved; under the conditions of wide particle size range of the coarse coal slurry and heavy processing load, the good separation effect and high separation efficiency can also be achieved by the separation process.

The invention discloses a double-loop-line intersected belt sorting machine, an intersected belt sorting system and a sorting method thereof. The double-loop-line intersected belt sorting machine comprises at least one annular rail, two sets of intersected belt cars for forming two conveying loop lines circularly rotated on the annular rails side by side, and a power device for driving the two sets of intersected belt cars to move along the annular rails. The double-loop-line intersected belt sorting machine is delicate in design and simple in structure; as two sets of cars are used in one annular rail, the number of the intersected belt cars is increased by using internal space of the loop lines under the precondition of not increasing the floor area to multiply the sorting capacity, theuse efficiency of the sorting machine is improved, and the equipment cost is reduced; and meanwhile, parcels can be transferred between two conveying annular intersected belt cars, so that the idlingrate of the cars can be reduced, meanwhile, the parcel loading flexibility is improved, and the arrangement requirements and the occupied space of a particle loading line are reduced.

The invention discloses a method for beneficiating high-peat copper sulphide ore and relates to a method for beneficiating nonferrous metals, which specifically relates to a method for beneficiating high-peat copper sulphide ore; regulating agent and composite inhibitor are added before floating ore pulp and after graining raw ore; flotation environment and mineral surface state in ore pulp are improved in the method disclosed by the invention; the inhibition capacity of inhibitor on easily-floated gangue mineral and selective collection of collecting agent on mineral are enhanced; compared with the traditional method for beneficiating pre-deslimed peat, a technical procedure is simplified by the invention; the loss of available mineral caused by pre-deslimed peat is avoided; and the recycle rate of copper is increased by about more than 18%.

The invention discloses a waste lithium ion battery crushing and sorting device and method. The crushing and sorting device comprises a feeding device; a rough crushing machine of which the feeding end is connected with the discharging end of the feeding device; a crushing machine of which the feeding end is connected with the discharging end of the rough crushing machine; a multistage sorting device of which the feeding end is connected with the discharging end of the crushing machine; a pyrolyzing furnace of which the feeding end is connected with the discharging end of the multistage sorting device; a material cooling bin of which the feeding end is connected with the discharging end of the pyrolyzing furnace; a second vibrating screen of which the feeding end is connected with the discharging end of the material cooling bin; a fine crushing machine of the feeding end is connected with the discharging end of the second vibrating screen; a third vibrating screen of which the feedingend is connected with the discharging end of a separator; and a jigging machine of which the feeding end is connected with the discharging end of the third vibrating screen. According to the waste lithium ion battery crushing and sorting device and method, high-efficiency recovery of valuable components in a lithium ion battery can be achieved; and the sorting effect is good, and the recovery rateof black powder is high.

The invention relates to a magnetic separation device, in detail is a bow wave type magnetic separation machine. The magnetic separation machine includes an outer rolling drum with the inner and outer wall being conical surfaces, the outer rolling drum is the non-magnetic and non-metallic material; an inner rolling drum is arranged in the outer rolling drum, the inner rolling drum has a male cone near the inner wall of the outer rolling drum, magnetic units with opposite polarities are alternatively disposed on the male cone of the inner rolling drum; the inner and outer rolling drum have the same vertical rotary axis and are driven by different rotor axes respectively; blanking ports are arranged at the upper part of the inner and outer rolling drum, and annular material-receiving ports are arranged on the periphery at the lower part of the inner and outer rolling drum. The invention can improve the selection effect of non-magnetic metal energy.

The invention discloses a collecting agent for low-grade refractory gold ores. The collecting agent comprises the following materials by weight: 45-55 parts of cyanoethyl diethyl dithionocarbamate, 30-40 parts of allyl alkyl xanthate, and 10-15 parts of liquid ammonium dibutyl dithiophosphate. The collecting agent has dual attributes, such as collecting and bubbling, the selectivity is good, the collecting capacity is strong, and the concentrate grade and the recovery rate can be effectively improved in a pH value range of from 8 to 8.5, thereby being the high-efficiency collecting agent for low-grade refractory gold ores.

The invention relates to a superconductive magnetic separating device which comprises a solenoid superconductive magnet, a driving wheel and a driven wheel, wherein an annular closed screen type conveyer belt is wound on the driving wheel and the driven wheel, and the bearing surface of the screen type conveyer belt is a screen; and a part of the screen type conveyer belt passes through a room temperature hole of the superconductive magnet, and another part is positioned outside the superconductive magnet. The superconductive magnetic separating device can realize continuous production and greatly improve the separating efficiency; and meanwhile, the solenoid superconductive magnet is adopted, thus the background magnetic field intensity is high, and the separating effect is good; and the superconductive magnetic separating device can be used for treating weakly magnetic materials and fine mineral powder, extracting and separating high-grad iron ore deposits, low-grid iron ore deposits and tainings from iron ore and iron ore from red mud and has high separating efficiency and small separable mineral powder granularity.

Disclosed is a coal slime treatment process for deslimed dense-medium coal separation. In the process, part of coal slime including magnetically separated clean coal tailings, magnetically separated middling coal tailings, magnetically separated gangue tailings and dehydrated filtrate of floatation separated clean coal is used as flush water for a wet-process classifying screen or a desliming screen and used as spray water for the same, and clean coal centrifugate is used as the primary spray water for a clean coal medium drainage screen. On the premise of guaranteeing feed concentration in floatation separation, work load of a concentrator can be lowered (by 20-40%), higher separation precision in gravity separation operation is maintained, better separation effect can be achieved in thecrude slime separation link and the fine slime flotation link, the recovery rate of crude particles in centrifugate is increased while medium consumption of coal separation plants is reduced, primaryinvestment, floor area and processing cost for deslimed dense-medium coal separation plants are decreased, product quality is improved, and higher economic benefit can be achieved.