459 results about "Purification methods" patented technology

The invention belongs to the field of air purification, and relates to module combined type comprehensive purification equipment and a purification method thereof.The module combined type comprehensive purification equipment is characterized in that a first gas sensor is arranged in a harmful gas collecting header pipe, and a second gas sensor is arranged in a pipeline between an exhaust port of a module combined type washing tower and a third electric control three-way valve; the first gas sensor and the second gas sensor are electrically connected with the ARM processor, and the ARM processor controls opening and closing of the module combined type washing tower, the mixing atomizing chamber and the module combined type adsorption box and controls opening and closing of the first electric control three-way valve, the second electric control three-way valve and the third electric control three-way valve. According to the method, the comprehensive harmful gas treatment sequence is as follows: firstly, acidic or alkaline dirt is removed, and then, activated carbon particle filtration and adsorption are performed. According to the invention, diversified, staged and complicated mixed harmful waste gas can be automatically and effectively purified.

The invention relates to a gas nanometer purification method and a purifier, and the method comprises the following steps: gas to be cleaned enters a gas-water separator for gas-liquid separation and coarse filtration, liquid impurities and large-particle solid impurities in the gas are removed, and preliminarily purified gas is obtained; on the basis of switching logic, the preliminarily purified gas is alternately conveyed to two adsorption unit groups for deep adsorption purification, adsorbent dehydration treatment and fine dust interception treatment are sequentially completed in the adsorption units, and clean gas is obtained; one part of the clean gas is conveyed to the gas storage bin to be stored, and the other part of the clean gas is conveyed to the regeneration gas bin to be pre-stored for regeneration cycle of the subsequent adsorption unit. Through the integrated method design of continuous adsorption working conditions, online regeneration cycle and automatic pressure equalizing switching, seamless connection of adsorption and regeneration and uninterrupted gas supply in the whole process are achieved, gas supply interruption and severe gas pressure fluctuation are effectively avoided, and the strict use requirements of precise manufacturing, automatic production lines and continuous production scenes for stable gas sources can be met.

The invention relates to the field of intelligent monitoring, and discloses a clean room pollutant purification method and system based on flow field characteristics and a storage medium thereof.The method comprises the steps that a mobile robot inspection route and operation parameters are set according to the requirements of a clean room; the robot inspects according to a route, stops every time the robot moves a basic distance and monitors pollutant concentration and flow velocity; calculating the time-average concentration, the time-average flow velocity, the flow velocity gradient and the change frequency of the stagnation point pollutants; executing a monitoring strategy according to a threshold value, and starting an autonomous inspection algorithm to move along a flow velocity gradient direction; judging whether the flow velocity gradient is smaller than a convergence threshold, if so, determining a local extreme point and updating the inspection route; and if the pollutant concentration at the extreme point exceeds the standard, starting the purification device, otherwise, enabling the robot to return to the fixed route for continuous inspection. According to the method, the flow field characteristics are taken as preposition indexes, the autonomous identification and path optimization capability is improved, the workload and the detection time are reduced, and the monitoring efficiency, the accuracy and the maintenance intelligence level are improved.

The invention relates to the technical field of impurity removal and purification, in particular to a high-temperature impurity removal and purification method for a graphite material. Obtaining the furnace temperature and the output power at each moment in each monitoring period in each high-temperature purification process and the temperature and the voltage of each induction coil at each moment; calculating a first evaluation value, a power fluctuation degree, a second evaluation value and an evaluation coefficient of each monitoring period; determining the bridging confidence coefficient of each monitoring period in each high-temperature purification process; and the bridging phenomenon occurring in each monitoring period in the high-temperature purification process is evaluated, and the bridging phenomenon existing in the high-temperature purification furnace is eliminated, so that the graphite material is subjected to high-temperature purification. According to the method, the bridging phenomenon in the high-temperature purification furnace can be accurately evaluated, and stable operation of a high-temperature purification process and high-quality purification of a graphite material are ensured.

The invention belongs to the technical field of material preparation, and particularly discloses a carbon nanotube purification method which comprises the following steps: mixing a carbon nanotube crude product with a solvent, and then shearing to obtain a pretreated carbon nanotube; and oxidizing the pretreated carbon nano tube, and then performing acid pickling to obtain the purified carbon nano tube. According to the purification method disclosed by the invention, shearing treatment is introduced to mechanically activate the carbon nanotubes, and is combined with subsequent oxidation and pickling processes to efficiently remove impurity carbon in the carbon nanotubes, so that the purification method is simple, remarkable in purification effect and high in purification efficiency, the purity of the carbon nanotubes can be greatly improved, the damage to the structure of the carbon nanotubes is small, and the method is suitable for industrial production. The method is suitable for large-scale industrial production.

The invention discloses a short-process coagulation water purification treatment method and equipment based on a polytetrafluoroethylene membrane. The method relates to the technical field of short-process coagulation water purification treatment, and comprises the following steps: firstly, adding an agent into the electronic industrial wastewater to complete pretreatment, then filtering by adopting a polytetrafluoroethylene membrane to realize water purification, continuously collecting and analyzing short-process coagulation water purification data of the electronic industrial wastewater, and timely optimizing and adjusting a treatment scheme. Pollutants in a water body are converted into micro-flocs by adding a medicament, the micro-flocs are intercepted by a polytetrafluoroethylene membrane to remove the pollutants in the water body, a real-time monitoring sensor collects water quality data and membrane operation data, and a short-process coagulation quality quantized value and a purification accuracy quantized value are obtained through further analysis. Compared with a judgment value in a database, the method optimizes a medicament adding scheme and a membrane operation scheme, improves the process applicability, and solves the problems of insufficient accuracy and adaptability of a short-process water purification treatment method in the prior art.

The invention relates to an intelligent water purification method and system based on water quality analysis, and relates to the technical field of water treatment.The method comprises the steps that raw water detection turbidity and raw water unit flow are obtained; determining a basic flocculating agent dosage according to the detected turbidity of the raw water and the unit flow of the raw water, and adding a flocculating agent with the basic flocculating agent dosage into the reaction zone; obtaining a detection flocculation particle size and post-water detection turbidity in the reaction zone; constructing a historical interval, determining condition similar parameters of each time point in the historical interval according to the current raw water detection turbidity, the raw water unit flow and the detected flocculation particle size, defining the time point corresponding to the maximum condition similar parameter as a similar time point, and obtaining similar detection turbidity according to the similar time point; determining a detection deviation turbidity according to the post-water detection turbidity and the similar detection turbidity; and outputting a device abnormal signal when the detected deviation turbidity is not within the allowable deviation range. The water purification device has the function of improving the treatment effect of water purification operation.

The invention relates to the technical field of metal purification, and discloses a two-stage rectification purification method of high-purity superfine zinc powder, which comprises the following steps: first-stage rectification is performed on a crude zinc raw material, and a collaborative purification control process is adopted in the first-stage rectification to remove low-boiling-point impurities, so that preliminarily purified zinc liquid is obtained; the collaborative purification control process comprises the steps that first state data of a first rectifying tower are obtained in real time, the future state of the first rectifying tower is predicted based on a first dynamic model, a first optimal control instruction is obtained through online optimization calculation according to a prediction result, and the first optimal control instruction is executed. According to the method, the process tomography technology and the self-calibration dynamic digital twinborn model are combined, real-time and accurate sensing and prediction of the internal fluid dynamic state in the rectification process are achieved, the operation stability of the whole rectification process is remarkably improved, and meanwhile effective separation of cadmium and lead can be achieved.

The invention relates to the technical field of quartz sand purification, in particular to a high-purity quartz sand purification method based on multi-parameter fusion, which comprises the following steps: judging whether to enter first flotation purification or not based on a comparison result of a particle size index numerical value corresponding to a particle mixture to be purified and a particle size index threshold value, and if not, starting second crushing; determining a first impurity removal rate according to the data set after the first flotation if the first impurity removal rate is judged to enter, and comparing the first impurity removal rate with a first impurity removal threshold value so as to judge whether the first pickling purification is entered or not; if not, secondary flotation purification is started; and if it is judged that the process enters, determining a second impurity removal rate according to the data set after the first pickling, and comparing the second impurity removal rate with a second impurity removal threshold to judge whether purification is completed or not, and if the purification is not completed, starting second pickling purification. The quartz sand purification process can be dynamically judged and precisely regulated and controlled, and the purification efficiency of the high-purity quartz sand is effectively improved.

The invention relates to the technical field of commercial kitchen oil fume purification, in particular to a purification system and purification method of a commercial oil fume purification all-in-one machine, and the purification system comprises an electric field monitoring unit, a self-adaptive regulation and control unit and a prediction maintenance unit, an electric field monitoring unit collects electric field intensity data of parallel polar plates through a distributed non-contact sensor array, injects spatial position codes to generate a three-dimensional matrix, and combines a polarization drift feature analysis method to identify a local abnormal region and generate an abnormal feature vector; the self-adaptive regulation and control unit dynamically modulates high-voltage power supply output parameters based on the vector, converges the field intensity of an abnormal area to a safety range, stabilizes an edge electric field synchronously through an edge auxiliary electrode array, and the prediction maintenance unit constructs an oil contamination accumulation prediction model by combining the electric field abnormal accumulation duration and the diffusion trend; and when the risk reaches a threshold value, gradient depressurization cleaning in a low-load period is triggered, the problems of unstable purification efficiency and untimely maintenance are solved, and the operation and maintenance cost is reduced.

A high-salt steam purification device belongs to the technical field of sewage treatment, is used for mechanically separating, chemically washing and precisely filtering high-salt steam, and comprises a steam filtering device for separating and intercepting salt in the high-salt steam in a cyclone separation manner; the steam cleaning tower is connected with the steam filtering device and used for treating a gas phase after salt separation, and chemical washing of the gas phase is achieved; and the filter is connected with the steam cleaning tower and is used for separating and intercepting particulate matters in the chemically washed gas phase. Based on the purification device, the invention further provides a high-salt steam purification method. Through efficient purification, low-consumption circulation, intelligent control and anti-corrosion design, accurate removal of steam salt is achieved, the service life of key equipment core spare parts of the evaporative crystallization process in the sewage treatment industry is remarkably prolonged, the daily operation and maintenance cost of the equipment is reduced, and the economic benefit is increased. And a stable and reliable technical guarantee is provided for stable operation of core equipment in the sewage treatment industry.

The invention provides a purification method and application of a coal-based hard carbon material, belongs to the technical field of lithium / sodium ion battery negative electrode materials, and overcomes the defects that according to an existing purification method, the ash content is lower than 3%, the iron content is lower than 400 ppm, and the requirements are difficult to meet. Turning over the materials and reacting for 3.8-4.2 hours in a boiling state; acidizing: mixing an acid solution, and reacting for 2-8 hours at the temperature of 60-100 DEG C; the mixed acid solution comprises hydrochloric acid with the volume concentration of 10%-30% and hydrofluoric acid with the volume concentration of 0.5%-8%; according to the high-purity coal-based hard carbon material and the preparation method thereof, purification and deep impurity removal can be cooperated, the original coal ash content higher than 8% can be reduced to lower than 1%, and the iron content of the high-purity coal-based hard carbon material is lower than 100 ppm.

The invention relates to a method for purifying an electronic-grade sulfonium salt photoacid generator. The method comprises the following steps: heating, preparing a photoacid generator stock solution, purifying through ion exchange resin, cooling, recrystallizing, carrying out solid-liquid separation, washing crystals and the like to obtain the high-purity photoacid generator, so that the metal content in the photoacid generator can be effectively reduced, the single metal content is less than 5ppb, and the yield is up to 80-90%. And mother liquor is collected and purified by resin and can be used for preparing photoacid stock solution again. The operation effectively reduces the use of an organic solvent and the generation of wastewater, can further improve the recrystallization yield, and meets the requirements of green and sustainable development.

The invention discloses a multi-stage leaching purification method of a targeted therapeutic drug. The multi-stage leaching purification method comprises the following steps: sequentially filling an adsorption column with a porous organic polymer layer and an adsorption ball layer; controlling the flow rate of the leacheate and the column temperature for leaching, and setting an adsorption saturation threshold value; carrier gas is adopted to heat and desorb the porous polymer layer, and carrier gas components are switched to heat and desorb the adsorption ball layer; the method comprises the following steps: introducing carrier gas carrying iodine vapor into an alkaline absorption tower to treat waste gas, eluting impurities of adsorption balls by adopting an acidic mixed solution, and performing catalytic degradation by combining ultraviolet light; a chelating agent solution is used for regenerating adsorption balls, a silver salt solution is used for heavily loading silver ions, an organic solvent is used for eluting and regenerating a porous polymer, regular calibration and part replacement are conducted on a system, and organic pollutants and radionuclides in a matrix are difficult to treat synchronously through a traditional single-layer adsorption material; according to the leaching purification method, the generation amount of radioactive waste liquid is remarkably reduced, and meanwhile the shielding protection requirement of the follow-up purification step is reduced.

The application discloses a capacitive activated carbon purification method and relates to the technical field of activated carbon material preparation.The application comprises the following steps: physically removing magnetic substances from the activated sample; adding potassium hydroxide to the sample, and then performing ultrasonic treatment and mechanical heating and stirring; performing water washing after temperature reduction, and then performing dehydration; adding hydrochloric acid to the sample, and then performing ultrasonic treatment and mechanical heating and stirring; performing secondary water washing after temperature reduction, and then performing dehydration; drying; and performing quality inspection and subpackaging.The method disclosed by the application can improve the purity of activated carbon by physically removing iron, ultrasonic treatment combined with mechanical stirring, and water-heat coupling linkage cooperation, greatly shorten the production cycle, and is suitable for a wide range of applications.

The invention relates to the technical field of sewage treatment, in particular to a sewage purification method which comprises the following steps: S1, introducing sewage into a filtering device, and efficiently removing formed solid impurities in the sewage by using the filtering device; s2, discharging the sewage from which the large solid impurities are removed into a water storage tank, and then carrying out ultrasonic atomization treatment on the sewage to remove water-insoluble impurities; s3, collecting and condensing atomized water mist, and then adding the atomized water mist into an adsorption tank; the filtering device comprises a treatment box and a fixing rod, a baffle is connected to the treatment box in a sliding mode, a plurality of filtering holes are formed in the treatment box and located in the right side of the baffle, the treatment box is in an inclined posture with the left higher than the right, a sliding block is connected to the fixing rod in a sliding mode, and the efficient filtering effect on large solid impurities can be achieved without a filter screen; the filtering effect is ensured for a long time, and the filtering efficiency of large solid impurities is improved.

The invention discloses a low-energy-consumption crystallization purification method of high-purity molten salt-grade potassium nitrate, and belongs to the technical field of purification of inorganic chemical materials. The method comprises the steps of raw material pretreatment directional impurity removal, multi-stage gradient crystallization, mother liquor graded circulation and low-temperature drying, in the raw material pretreatment stage, impurity concentration online detection and dynamic pH regulation are combined, a chelating agent, an oxidizing agent and an adsorption flocculant are added step by step, precise directional removal of metal impurities and suspended solids is achieved, and the product purity is improved; a multi-stage gradient crystallization process combining gradient temperature control and sectional controllable cooling is adopted, and the crystallization efficiency is improved in cooperation with a crystal form regulating agent; a mother liquor graded circulation and drying waste heat recovery system is matched, so that the mother liquor utilization rate is increased, and the production energy consumption is reduced.

The present disclosure provides a gas purification method and a gas purifier. The gas purification method includes: sucking external gas into an inner housing; supplying ozone to an interior of the inner housing to react with the external gas; irradiating the interior of the inner housing with ultraviolet rays to disinfect the external gas and decompose the ozone; discharging the purified gas out of the inner housing. After the external gas is sucked into the inner housing, ozone is supplied to the interior of the inner housing to react with the gas so as to perform sterilization and deodorization treatment; the interior of the inner housing is irradiated with the ultraviolet rays to further carry out sterilization treatment on the gas and decompose excess ozone.

The application provides a beryllium glass leaching solution purification method, and belongs to the technical field of hydrometallurgy, and comprises the following steps: the beryllium glass leaching solution is heated to a preset temperature, and an alkaline calcium-based ore slurry is added to carry out pre-neutralization reaction to obtain a pre-neutralized solution; the pre-neutralized solution is subjected to first liquid-solid separation treatment to obtain a pre-neutralized liquid and a filter residue; the pre-neutralized liquid is subjected to deep iron and aluminum removal treatment according to a first deep iron and aluminum removal route or a second deep iron and aluminum removal route to obtain a beryllium-containing leaching solution and an iron and aluminum-containing leaching residue, so as to complete the purification of the beryllium glass leaching solution; the first deep iron and aluminum removal route comprises neutralization reaction treatment, second liquid-solid separation treatment and first pressure leaching treatment; the second deep iron and aluminum removal route comprises oxidation neutralization reaction treatment and second pressure leaching treatment. The application can solve the problems of existing technologies, such as the introduction of impurities, strict control, complex process and large beryllium loss.

The embodiment of the invention relates to the field of separation by using a physical or chemical method, in particular to chloride molten salt purification equipment and a purification method. The chloride molten salt purification equipment comprises a containing part maintaining assembly, a purification furnace body, a purification furnace cover body, a furnace cover movement mechanism and a purification moving assembly. The accommodating part holding assembly is used for holding a plurality of molten salt accommodating parts; the purification furnace cover body is used for opening or closing a top opening of the purification furnace body and forms a reaction space together with the purification furnace body; the furnace cover movement mechanism is used for driving the purification furnace cover body to lift and rotate, so that the top opening is completely opened or closed; the purification moving assembly is used for driving the containing part maintaining assembly to move in the reaction space, and when the top opening is completely opened, the purification moving assembly drives the containing part maintaining assembly to move to protrude out of the top opening. According to the chloride molten salt purification equipment provided by the embodiment of the invention, the discharging efficiency and the feeding efficiency of the chloride molten salt after the chloride molten salt is purified can be improved.

This invention provides a composite magnesium-iron modified biochar and its method for purifying industrial wastewater, belonging to the technical field of functional materials for water treatment. The composite biochar of this invention uses porous biochar as a substrate, and through bimetallic impregnation, in-situ co-precipitation nucleation with pH control, and programmed temperature calcination, a composite crystalline phase of magnesium-iron layered bimetallic oxide and magnesium-iron spinel is anchored in-situ on its surface and internal pores. This material exhibits excellent magnetic field response characteristics and abundant bimetallic active sites. When added to composite wastewater, the bimetallic synergistic mechanism enables one-step simultaneous adsorption and degradation of COD, ammonia nitrogen, and total phosphorus; after the reaction, only an external magnetic field is needed to quickly achieve solid-liquid separation. This invention completely solves the problem of powder material recovery, and is resistant to desorption and regeneration, exhibiting excellent long-term recycling performance.

The invention discloses a < 68 > Ge separation and purification method and an automatic system, belongs to the technical field of radionuclide separation, and aims to solve the problems of large amount of waste liquid, complex operation and difficulty in continuous production in the conventional < 68 > Ge separation method. According to the separation method in which the actinide resin column and the glucose gel resin column are connected in series, selective adsorption, impurity removal and desorption of < 68 > Ge are completed step by step by accurately controlling the acidity of the solution, an eluting agent and an eluent; finally, a set of continuous-automatic separation system is provided, the design that two sets of separation columns are connected in parallel is adopted, work-regeneration circulation alternation is achieved through program control, and full-automatic continuous production is achieved. The method has the beneficial effects that the 68Ge recovery rate is high, the product purity is high, the waste liquid amount is remarkably reduced, meanwhile, automatic operation and continuous production are realized, and a core technology and equipment support is provided for localization of 68Ge.

The application discloses a kind of switch cabinet purification method, system, device, storage medium and computer equipment.The method comprises: obtaining the environmental information of all grid spaces pre-divided in switch cabinet, wherein each grid space has the same spatial complexity;Based on the environmental information of each grid space, determine the condensation temperature threshold and particulate matter deposition threshold corresponding to each grid space, and monitor the temperature information and particulate matter concentration information of each grid space;Determine whether the temperature information of each grid space is less than or equal to the condensation temperature threshold corresponding to the grid space, and whether the particulate matter concentration information is greater than or equal to the particulate matter deposition threshold corresponding to the grid space;If the temperature information is less than or equal to the condensation temperature threshold and / or the particulate matter concentration information is greater than or equal to the particulate matter deposition threshold, then perform environmental purification work on the switch cabinet.The above method can greatly improve the environmental purification effect of switch cabinet.

This invention belongs to the technical field of environmental engineering, specifically relating to an environmentally friendly purification method and system. The method effectively improves the comprehensiveness and systematic nature of purification by strictly controlling the quality, dosing rate, and energy efficiency of the reducing agent, and through simulation and practical exercises. The purification method of this invention is stable, controllable, and reliable, enabling the purification effect of waste gas to meet the required new standards.

The application discloses a kind of red mud gradient depth purification-rare earth-radioactivity synergistic target purification method, by " hierarchical pretreatment and microwave modification→three-stage gradient dealkalization→rare earth-radioactivity synergistic target purification→full quantization recycling" four-stage integrated process, realize red mud harmless and high-value utilization.The three-stage gradient dealkalization uses microwave-CO2-biological synergic system, after dealkalization pH≤8.0, Na2O content<1%;Rare earth-radioactivity purification is extracted by HDES and coupled with multi-ligand magnetic material system, light rare earth recovery rate≥95%, middle heavy / rare earth recovery rate≥90%, U / Th removal rate≥95%;Full quantization recycling realizes red mud total utilization rate≥98.5%, wastewater reuse rate≥95%, every ton of red mud fixed CO2≥0.2 tons.The application is suitable for various high-alkali, containing radioactive and rare earth red mud treatment, with environmental benefits and economic benefits.

The application discloses a kind of purification equipment of ultra-high purity quartz sand and its purification method, including immersion washing tank, the rotating drum is equipped in the immersion washing tank, the rotating drum is opened with door, motor is fixed on the immersion washing tank side plate on rotating drum side, the output shaft of motor is fixedly connected with the side of rotating drum and the side of immersion washing tank, the sealing upper plate is slidably connected on the immersion washing tank;By immersion washing tank, it can realize soaking cleaning and spraying effect by rotating drum, and double purification is carried out on quartz sand;By immersion washing tank, mixing box and sedimentation tank, acid liquid circulation is realized, resource is saved, and purification cost is reduced;By heating pipe on sealing upper plate and the PH tester that is equipped in the inside of immersion washing tank, mixing box and sedimentation tank, the temperature and PH value of acid can be effectively controlled, so that the concentration and PH value of acid always meet the requirement of quartz sand purification, temperature and concentration are strictly controlled, and high-purity purification of quartz sand is realized.

This invention discloses a precious metal purification device and method, comprising a tank lid, a tank body, and a base. A mounting frame is fixedly installed at the top center of the tank lid, and a stirring mechanism is embedded at the top center of the mounting frame. One end of the stirring mechanism extends through an opening at the top center of the tank lid into the tank body. The stirring mechanism includes a drive motor, a drive rod, a telescopic component, and multiple swaying components. The telescopic and swaying components can agitate and shake the raw material vertically, thereby achieving thorough mixing. An outer shell is fitted over the tank body to allow water to be injected into the shell for cooling and heating of the raw material. In an embodiment, the stirring mechanism is located in the mounting frame at the top of the tank lid. The telescopic and swaying components in the stirring mechanism can agitate and stir the raw material vertically during normal rotation and stirring, thereby achieving thorough mixing.

The present application belongs to the technical field of energy dissipation dam, and particularly relates to an energy dissipation dam with pollutant removal capacity and an energy dissipation purification method. The present application comprises a plurality of energy dissipation steps, and a box with an open upper end is arranged on the energy dissipation steps. A filter energy dissipation pool is connected in the box and is inclined towards the upper energy dissipation step. A plurality of filter materials with gradually decreasing particle sizes are sequentially arranged in the filter energy dissipation pool from the upper end to the lower end. An ozone aeration unit is arranged at the lower end of the filter energy dissipation pool. An inclined photocatalysis generating plate and a vacuum ultraviolet LED unit are further arranged in the box. The photocatalysis generating plate is located between the vacuum ultraviolet LED unit and the filter energy dissipation pool. The photocatalysis generating plate is provided with photocatalysis materials on the surface and is embedded with filter materials. An outflow port is arranged on the box. A biological contactor is arranged at the outflow port. An air blowing aeration unit is connected to the biological contactor. The present application provides an energy dissipation dam with pollutant removal capacity and an energy dissipation purification method.

The invention relates to the technical field of insect grease purification and decolorization, and discloses an insect grease purification device and a purification method thereof.The insect grease purification device comprises a tank body used for storing insect grease, the bottom of the tank body is fixedly connected with a supporting frame, and the top of the tank body is fixedly connected with a driving chamber; a control center is fixedly connected to the surface of one end of the driving chamber, a rotary driving assembly is fixedly connected to the center of the inner wall of the top side of the driving chamber and is specifically a driving motor, a rotating shaft is fixedly connected to the output end of the bottom of the rotary driving assembly, and the rotating shaft penetrates through the tank body and extends into the tank body; a stirring assembly is fixedly connected to the extending part of the rotating shaft, axial blades are fixedly connected to the outer surface of the top of the stirring assembly, radial blades are rotationally connected to the outer surface of the bottom of the stirring assembly, and the device has the advantages that the purification and decoloration effects of the device on insect grease are improved, and use by a user is facilitated.

The invention relates to the technical field of fluorite flotation, in particular to a fluorite flotation purification method. The method comprises the following steps that S1, fluorite raw ore is subjected to crushing and ore grinding treatment, and the ore grinding fineness is controlled to be-0.074 mm, and the content accounts for 80%-90%; s2, the ore powder obtained in the step S1 is prepared into ore pulp with a certain concentration, an inhibitor sodium silicate is added into the ore pulp, and stirring and pulp mixing are conducted; s3, the pH value of the ore pulp obtained in the step S2 is adjusted to 8-9 through a pH adjusting agent; and S4, a composite collecting agent composed of oxidized paraffin soap and Zn-232 is added into the ore pulp obtained in the step S3, flotation roughing operation is carried out, and an obtained foam product is fluorite concentrate. According to the composite collecting agent system and the optimization process provided by the invention, the technical indexes of fluorite flotation are improved in a leap-over manner. Under the optimal condition, the grade of the obtained fluorite concentrate stably reaches 80% or above.