31results about How to "Float fast" patented technology

The invention discloses a beneficiation method for cu-pb-zn polymetallic ores, and belongs to the technical field of non-ferrous metal beneficiation. According to the technical scheme, the characteristic of complex cu-pb-zn-sulfur polymetallic ores with embedded fine-grained carbon level is utilized, a technological process of carbon-removing, cu-pb partial bulk flotation, cu-pb separation and zn-and-sulfur choosing in tailings is adopted, a concentration and fine grinding mode is adopted to achieve deep reagent removal, the influence of slurry on flotation is effectively eliminated, efficient collectors A8 and depressors T721 for cu-pb separation are used in the cu-pb partial bulk flotation process, separation and recovery of copper, lead, zinc and sulfur are effectively achieved, and concentrate mixing is obviously lowered.

The invention discloses a beneficiation method for low-grade mixed copper ore containing molybdenum. According to the properties and characteristics of the low-grade mixed copper ore containing molybdenum, the copper and molybdenum bulk floatation and re-separation principle technological process is adopted, and high-efficiency concentration of minerals is achieved by using a combination of butyl xanthate and a high-efficiency collector M201 during copper and molybdenum bulk floatation operation; high-efficiency reagent removal of bulk concentrates is achieved through a concentration dewatering and fine grinding method during copper and molybdenum separation operation so that the impact of a large number of reagents existing in copper-lead bulk concentrates on copper and molybdenum separation can be reduced; and moreover, copper minerals are suppressed by means of suppressant F-6, so that separation of copper and molybdenum is effectively realized, and the copper content and molybdenum content of the concentrates are effectively reduced. Meanwhile, in order to stabilize the floatation indexes, the floatation process is optimized for site production, namely, branching and streaming floatation; accordingly, the purpose of comprehensive recovery and utilization of mineral resources is achieved.

The invention relates to a copper-nickel sulphide ore catching agent, namely a J622 catching agent. The copper-nickel sulphide ore catching agent is prepared by the following raw materials in parts by weight: 30-60 parts of alkyl xanthate propionitrile ester, 10-30 parts of oil No.2, 10-20 parts of black catching agent No.25, 5-15 parts of amino propionitrile, and 5-15 parts of black catching agent acid. The raw materials are mixed fully and stirred uniformly to prepare the copper-nickel sulphide ore catching agent. The copper-nickel sulphide ore catching agent has catching and foaming doubleattributes, and is good in selectivity, high in catching capability and ore flotation speed, and stable in flotation foam, so that the grade and the recovery rate of the concentrate can be effectively improved; and therefore, the copper-nickel sulphide ore catching agent is a very ideal selective catching agent for copper-nickel ores.

The invention relates to a linear low-density polyethylene / carbon nanotube open-cell foam material and a method for preparing the same. The invention belongs to the field of high-molecular materials and in particular relates to the field of linear low-density polyethylene foam open-cell materials. The purpose of the invention is to overcome the defect of the prior art and thus provides a linear low-density polyethylene open-cell foam material which is low in cost, simple in operation, is even in foam cells, has a porosity above 50 percent and has an average aperture of 0.1 to 50mu m, and a method for preparing the same.

The invention relates to the technical field of non-ferrous metal sulfide ore beneficiation, and discloses a collecting and foaming agent for copper-nickel sulfide ore beneficiation, which comprises the following components: carbon disulfide 28.0-33.8%wt, diethylamine 36.4-41.9%wt, propylene Nitrile 24.0‑28.2%wt, butylamine black drug 4.9‑12.6%wt, fusel oil 1.7‑9.5%wt, ethanol 3.0‑5.0%wt, n-butanol 1.0‑2.0%wt, sodium hydroxide 1.0‑3.0%wt The present invention also proposes a method for preparing a foaming agent for beneficiation of copper-nickel sulfide ore, including the following steps: S1: adding raw materials; S2: stirring and cooling; S3: adding acrylonitrile dropwise. The invention can obviously improve the mineral processing technical index, and can obtain a higher concentrate grade than the original collector; compared with the traditional collector of copper-nickel sulfide ore, the synthesis process is relatively simple, the material loss is small, and the copper-nickel mineral processing recovery rate increased.

The invention discloses a beneficiation method for copper-lead sulphide ore, and belongs to the technical field of beneficiation. The method comprises raw ore grinding, copper-lead mixing flotation and copper-lead separation. Copper-lead mixing flotation comprises primary copper-lead roughing, tertiary copper-lead fine selecting and secondary copper-lead scavenging. Copper-lead separation comprises primary copper roughing, tertiary copper fine selecting and secondary copper scavenging. Lime, calcium hypochlorite, zinc sulfate, sodium sulfite, sodium sulphide, dimethyl dicarbonate, sodium pyrophosphate, sodium citrate, ethionine ester, ethyl thio carbamate, sodium n-butylxanthate, aniline aerofloat, diphenyl amino phosphorodithioic acid and sodium carbonate are added in the copper-lead roughing and copper-lead scavenging processes. Lime, water glass, sodium phosphate starch, carboxymethyl starch, phthalic acid, thiosalicylic acid, ethionine ester and sodium ethylxanthate are added in the copper roughing and copper scavenging processes. The beneficiation method solves the problem that in the process of beneficiation of the copper-lead sulphide ore through a traditional flotation method, the copper and lead recycling rate is low.

The invention provides a porphyra conchospore seeding collection and net-attachment system and a seeding collection method thereof. The porphyra conchospore seeding collection and net-attachment system comprises a collection device, the collection device comprises a collection ship and an automatic conveying device, the collection ship is provided with at least one collection barrel and a cabin, the collection barrels are installed in the cabin, and shells are placed in the collection barrels; the automatic conveying device is communicated with the collection barrels and the outside, the automatic conveying device comprises a water inlet pump and a water outlet pump, the water inlet pump conveys sea water to the collection barrels to stimulate shell conchospores disperse, and the water outlet pump discharges water of the conchospores in the collection barrels to a net curtain. Therefore, porphyra haitanensis all-floating culture and offshore intensive seeding collection are achieved through an automatic seeding collection and net-attachment technology, and technical support is provided for popularization of a novel ecological and efficient porphyra haitanensis culture mode.

The invention creatively discloses a floatation device for wave energy collection. The device is provided with a plurality of hard cylindrical connection units, and a collection unit is arranged between the adjacent hard cylindrical connection units; a liquid inlet and outlet main pipeline communicated with an outer water tank is arranged in the hard cylindrical connection units, and the collection unit is provided with a hose outer shell I, a hose outer shell II and a hard round floating cylinder arranged between the hose outer shell I and the hose outer shell II; a reinforcing sleeve is arranged in the hard round floating cylinder, and a plurality of piston cylinder units are arranged on the outer wall of the reinforcing sleeve in the circumferential direction of the reinforcing sleeve; liquid inlets in the piston cylinder units are connected with a converging device I through branch pipelines, and liquid outlets in the piston cylinder units are connected with a converging device II through branch pipelines; and the converging device I and the converging device II are connected with the main pipeline through the branch pipelines. The floatation device has the beneficial effects of being high in wave energy collection efficiency, low in cost, energy-saving, environment-friendly, flexible in application, convenient to widely popularize and apply and the like.

The invention provides a collecting agent for refractory gold ores. The collecting agent comprises components in parts by weight as follows: 20-40 parts of cyanoethyl diethyl dithionocarbamate, 10-20 parts of a 25# black catching agent, 30-60 parts of liquid ammonium dibutyl dithiophosphate and 5-15 parts of a black catching agent acid. The collecting agent has dual attributes of collecting and bubbling, the selectivity is good, the collecting capability is high, the flotation froth is stable, the mineral floating speed is high, and the concentrate grade and the recovery rate can be effectively increased.

The invention relates to the technical field of underwater robots, in particular to an emergency suspension device. An emergency levitation device for a submarine sonar robot, comprising: a connecting base, the top of which is provided with a support cylinder, a connecting ring and a top cover, a bellows is connected between the connecting ring and the top cover and an air bag cover is arranged; a slow-lift mechanism, which includes The No. 1 self-locking motor and the mounting base, and the No. 1 screw rod is connected with the threaded cylinder at the center of the mounting base; and the rapid lifting mechanism, which includes the No. 2 self-locking motor and the No. 2 screw rod, and the No. 2 screw rod is connected to the support tube Threaded barrel connection on top. In the present invention, by setting the screw drive between the top cover and the connecting ring, the volume formed by the bellows between the top cover and the connecting ring can be freely adjusted according to the needs, which is convenient for the robot to move up slowly; The gas generator is equipped with a solenoid valve on the partition, which can freely adjust the expansion degree of the airbag cover according to the needs, thereby controlling the floating speed of the robot.

The invention discloses a selection method of lead and zinc sulfide ore, and belongs to the technical field of beneficiation. The selection method comprises the steps of milling of raw ore, flotationof lead and flotation of zinc, wherein during rough flotation of lead, lime, calcium hypochlorite, zinc sulfate, sodium sulfite, sodium sulfide, dimethyl dicarbonate, ethyl thio carbamate, sodium n-butylxanthate, dianilinodithiophosphoric acid, diphenyl amino phosphorodithioic acid and sodium carbonate are added; during fine flotation of lead, lime, zinc sulfate, sodium sulfite and sodium sulfideare added; during scavenging of lead, lime, calcium hypochlorite, zinc sulfate, sodium sulfite, sodium sulfide, dimethyl dicarbonate, ethyl thio carbamate, dianilinodithiophosphoric acid, diphenyl amino phosphorodithioic acid and sodium carbonate are added; during rough flotation of zinc, lime, copper sulfate, ammonium sulfite, sodium n-butylxanthate and terpenic oil are added; during fine flotation of zinc, lime is added; and during scavenging of zinc, lime, copper sulfate, ammonium sulfite, sodium n-butylxanthate and terpenic oil are added. By adoption of the selection method of lead and zinc sulfide ore, the problem that when a traditional flotation method is used for selecting lead and zinc sulfide ore, the recovery rate of lead and zinc is low is solved.

The invention provides a new energy vehicle battery recycling and processing method, which relates to the technical field of new energy vehicles, and specifically includes the following steps: S1. Putting the recovered battery into a battery recycling box; S2. Recovering the battery Pulverizing: pulverize the new energy vehicle battery put in the battery recovery box in step S1, and remove and recycle the lead-acid solution in the battery during pulverization; in the present invention, the battery slag after being pulverized by the battery recovery box enters the metal separation box Internal separation, the plastic in the battery slag is separated from the metal by the metal separation box; it is convenient for the separated plastic to be recycled and reused uniformly, and the separated metal is uniformly recycled and then re-smelted, which improves the operational simplicity of battery recycling and avoids the need for Eliminate the tedious operation of manual screening, reduce manual labor, improve the accuracy of separation, and improve the efficiency of plastic and metal separation.