33results about How to "Achieve reunion" patented technology

The invention relates to the technical field of technologies for processing rubber, in particular to a method and a production device for preparing graphene micro-plate pre-dispersion master batch. The method includes stirring and mixing graphene micro-plate dispersion liquid and latex with each other by the aid of a high-speed stirring machine to obtain mixed materials, adding flocculating agents into the mixed materials and coagulating the mixed materials to obtain pulp; dehydrating and drying the pulp to obtain the master batch. The method and the production device have the advantages that technologies are simple, the method and the production device are safe in operation, the graphene micro-plate pre-dispersion master batch can be continuously produced on a large scale, and the production efficiency can be improved as compared with original preparation technologies by the aid of batch processes; graphene micro-plates in the master batch prepared by the aid of the method can be highly dispersed as compared with melt processing methods; quick mixing and condensation can be implemented as compared with previous methods, drying and dehydrating phases are combined with squeezing drying and oven-drying modes, accordingly, the drying time can be shortened, rubber materials can be prevented from being aged, and the graphene micro-plate pre-dispersion master batch with excellent performance can be prepared by the aid of the method and the production device.

The invention discloses an air-flow vortex balling machine for producing spherical graphite, which consists of a machine body, a balling drive device and an internal classification machine drive device, wherein an internal classification machine, a powder balling module and a cooling system are arranged in the machine body. In the invention, an internal balling module and a classification module are rationally arranged, and thus, the air-flow vortex balling machine for producing the spherical graphite is provided. The air-flow vortex balling machine can ensure that the graphite powder undergoes the physical processes of thinning, shearing, collision, friction, coiling, uniting and densification in an air-flow vortex balling room or can realize the combination of a physical balling process and a mechanical powder thinning process to prepare the spherical product. The indexes, such as sphericity, grain fineness distribution, tap density, apparent density, actual density and special surface area, of the spherical graphite powder can be controlled in the range of pre-determined values; the quality is stable; the yield can be improved by over three times; and over 50 percent of energy consumption can be reduced.

The invention relates to a preparation method of a coix seed extract. The method comprises the steps as follows: S1, drying and crushing coix seeds to obtain coix seed flour; S2, removing starch and fat in the coix seed flour through acid treatment and addition of a degreasing agent; S3, performing dynamic superhigh-pressure microfluidization treatment on coix seed pulp to promote dissolution extraction of polysaccharide and protein in the coix seed pulp; S4, adjusting the mass concentration of the coix seed pulp, adding an ionic strength regulator to regulate the ionic strength of the coix seed pulp, and adjusting the pH of the coix seed pulp; S5, adding an organic polymer adsorbent to the coix seed pulp to adsorb protein and polysaccharide agglomerates; S6, performing standing and filtration, collecting a filtered-out organic polymer adsorbent, and sequentially eluting polysaccharide and protein; and S7, removing starch and grease again through low-temperature settlement and centrifugal degreasing to finally prepare a coix seed emulsion containing polysaccharide and protein. The prepared coix seed emulsion is compounded into instant compound coix seed flour.

The invention discloses an injection molding and compression molding method of a composite tufted carpet plastic interior ornament. The method comprises the following steps of: a, selecting a composite tufted carpet; b, heating the composite tufted carpet; c, opening a mold, fixing the composite tufted carpet in the injection mold, and then closing the mold; d, injecting plastic in an amount which is 10 to 20 percent of the required injection molding total amount under low pressure at a low speed by an injection molding machine through a plurality of hot runners; e, opening the injection moldto reserve certain clearance between a movable mold and a fixed mold, and starting the injection molding machine to inject the rest plastic of the required injection molding total amount under high pressure at a high speed; f, closing the mold, forming the composite tufted carpet plastic interior ornament by pressing, and simultaneously cutting the redundant edge and cooling; and g, opening the mold, and taking out the composite tufted carpet plastic interior ornament. The method is low in production condition requirement, good in product quality and high in production efficiency, the required equipment is cheap, and the produced product can be popularized in a large range.

The invention discloses a charged magnetic hydrophobic material and a preparation method and application thereof in separation of micro-fine-particle minerals. The material includes magnetic particlesand a metal organic complex loaded on the surface, has strong magnetism, is positively charged on the surface, and has high electrostatic adsorption capacity for anions and high physical adsorption performance for hydrophobic micro-fine-particle minerals, and therefore, after micro-fine-particle minerals in ore pulp are subjected to surface hydrophobic and anion modification, the micro-fine-particle minerals can be adsorbed and agglomerated by utilizing the material, then the micro-fine-particle minerals are efficiently separated from gangue minerals through magnetic separation, thus solvinga difficult problem of separation and purification of ultrafine minerals. A preparation process of the charged magnetic hydrophobic material is simple and cheap and meets industrial production requirements.

The invention discloses array electrostatic-atomization ultrafine particulate matter coalescence equipment and an array electrostatic-atomization ultrafine particulate matter coalescence method. The array electrostatic-atomization ultrafine particulate matter coalescence equipment is characterized in that an array electrostatic-atomization device which comprises a liquid storage chamber, base plate electrodes, adjusting hole plates, insulating panels, metal plate grounding electrodes and a plurality of metal capillary tubes is arranged at the upper part of an electrostatic-atomization agglomeration chamber, wherein an agglomeration agent solution is stored in the liquid storage chamber, a base plate of the liquid storage chamber is formed by the base plate electrodes connected with a negative high voltage electrostatic generator, the adjusting hole plates are arranged right below the base plate electrodes, the insulating panels clinging to the outer wall of the top of the electrostatic-atomization agglomeration chamber are arranged right below the adjusting hole plates, and the metal plate grounding electrodes are arranged on the inner wall of the top of the electrostatic-atomization agglomeration chamber; each metal capillary tube stretches into the electrostatic-atomization agglomeration chamber from top to bottom; the top of the liquid storage chamber is connected with a stirring mixing chamber through a one-way valve, and the stirring mixing chamber is connected with an agglomeration agent storage tank and a water supply system through pipelines. According to the array electrostatic-atomization ultrafine particulate matter coalescence equipment, liquid containing an agglomeration agent is subjected to electrostatic atomization by virtue of a contact charging method, and the adsorption capacity of fog drops to ultrafine dust (such as PM2.5) is enhanced.

The invention discloses a waste mud dehydration and solidification treatment method which adopts a multi-layer vacuum treatment method, and a plurality of layers of horizontal plastic drainage platesand a plurality of rows of vertical plastic drainage plates are laid in a mud pit, so that the problem of insufficient lower-layer mud treatment effect is solved, and the solidification speed is increased; multi-layer horizontal drainage can be achieved only by filling slurry and precipitating in batches, multi-layer vacuum is formed in the slurry through the multi-layer horizontal drainage system, the drainage path is shortened, and the drainage effect is better; moreover, the flocculating agent is also adopted, so that the vacuum dehydration effect and the solidification speed can be improved, meanwhile, a curing agent is added, soil solidification is realized while vacuum dehydration is performed, and further treatment is not needed; by adopting the method, the treatment speed of the waste mud can be rapidly increased, and the curing effect of the waste mud is enhanced.

The invention combines the advantages of cross flow filtration and dead end filtration, an intercepted material is concentrated along the flowing direction of a solution, and is enriched at the top ofa filter; then the principle that a vacuum is created after the concentrated solution is emptied and then a flexible filtering material (cloth bag) is shrunk and pressed flat is combined, and the sludge in the filter is compacted and falls off under the effect of gravity. Therefore, the filter is efficiently self-cleaned.

The invention discloses a water lifting and white smoke removal device and a water lifting and white smoke removal method thereof, and belongs to the field of white smoke removal devices. The device comprises a shell, the shell is provided with a smoke inlet and a smoke outlet, and flow dividing plates connected with the smoke inlet are arranged in the shell; the shell is a bellows-type shell; smoke heat-exchange pipes are arranged at the portion, between the lower positions of the flow dividing plates and the smoke outlet, in the shell; a drainage port is formed in the bottom of the shell. According to the water lifting and white smoke removal device, the temperature of high-temperature smoke is reduced through cooling water, so that the water in the smoke is condensed and separated out;meanwhile, when flowing through the bellows-type shell, the smoke regularly shrinks and expands, sound waves with a specific frequency and suitable for droplet agglomeration can be given out to agglomerate droplets, and the agglomerated droplets fall off under the effect of gravity and are drained out of the device through the drainage port. Gas-liquid separation is achieved, energy is sufficiently utilized, water lifting is efficient, besides, the generation of white smoke plume is effectively lowered, and the purpose of removing white smoke is achieved. The device is low in investment and simple in structure, does not cause secondary pollution, and is suitable for application and popularization.

The invention provides a method for inducing precipitation of calcium carbonate by using microorganisms. The method comprises the following steps: mixing a bacterial suspension with a calcium reactionsolution to obtain a total gel solution, and adding sodium montmorillonite into the gel solution to carry out calcium carbonate precipitation, wherein the sodium montmorillonite accounts for 0.25-1%of the total gel solution by mass. According to the method, the sodium montmorillonite is added, and under the condition of interaction of the sodium montmorillonite, the reaction solution and urea, precipitation of calcium ions is accelerated, and the calcium ions can achieve the effect of complete precipitation, so that the reaction efficiency is obviously improved, and the method has a higher practical application value; and under the condition of more reaction solutions, the reaction can be carried out in the forward direction, the calcium ions are completely precipitated, and the precipitation amount of calcium carbonate in the reaction is obviously increased.

The present invention discloses a process for producing nickel iron particles by carrying out reducing calcination on laterite-nickel ore through a rotary kiln one-step method. According to the present invention, at a material preparing and ball producing stage, the MgO/SiO2 in raw materials is more than or equal to 0.54, and the whole melting point of the material is increased by adding dolomite or magnesia and other magnesium-based supplements during insufficiency, such that the mixing pellet is in the solid state at a high temperature of 1250 DEG C at a reducing calcination stage so as not to cause the ringing of the rotary kiln, and the service life of the fireproof material of the rotary kiln is prolonged due to the decreasing of the maximum temperature of the reducing calcination stage; the FeS in the vulcanizing agent in the mixing pellet preferentially reacts with the NiO in the laterite-nickel ore to achieve the agglomeration of the reduced metal particles, such that the metal achieves the high yield.

The invention discloses portable multifunctional visual microfluid equipment based on electric field regulation and control, the microfluid equipment comprises a replaceable top cover assembly, an equipment shell assembly and a display transmission assembly, the replaceable top cover assembly is composed of a power transmission board, an electric field regulation and control PCB and a top cover; the shell assembly is composed of a shell, a power transmission probe, a detachable window plate and a button switch. The display transmission assembly is composed of a chip base, a copper column, a movable support, an adjustable microscope, a focusing bolt, an image transmission PCB, a battery and a micro-fluidic chip. The device is good in reliability, compact in structure, light in weight, good in portability and modularized, different top cover assemblies can be replaced according to different needs, electric field regulation and control can be conducted on microfluid, and the device can be applied to electric field regulation and control besides the basic functions of dielectrophoresis, induced charge electroosmosis, alternating-current electroosmosis, direct-current electric heating, alternating-current electric heating and the like. And the functions of agglomeration, sorting, deflection, microfluid mixing and the like of particles or cells can be realized.

The invention provides a preparation method of a multi-component catalyst, the multi-component catalyst and application of the multi-component catalyst, and the preparation method of the multi-component catalyst comprises the following steps: step 1, preparing a polyacrylonitrile DMF solution, adding a nitrogen-containing organic pore-forming agent into the polyacrylonitrile DMF solution, and obtaining nanofibers by adopting an electrostatic spinning method; step 2, carrying out low-temperature roasting on the nanofiber, and then carrying out high-temperature roasting treatment to obtain an irregular caked carrier; 3, the carrier and the mixed metal salt are subjected to ball milling and then roasted, and the multi-component catalyst is obtained, wherein the variety of metal elements in the mixed metal salt is not less than four, and by adopting the preparation method disclosed by the invention, multi-component metals are combined together without using a surfactant, and the multi-component catalyst with relatively good activity, high conversion rate and high selectivity can be obtained; and the obtained multi-component catalyst can be used in hydrogenation and dehydrogenation reaction processes of a nitrogen heterocyclic organic liquid hydrogen storage carrier.

The invention provides a wide-spectrum extinction interference material and a preparation method thereof. The method comprises the following steps: respectively preparing a first solution and a second solution by utilizing a first container and a second container which are subjected to ultrasonic cleaning and drying treatment; obtaining a mixed solution of the first solution and the second solution, and performing aging treatment on the mixed solution to prepare a CoNi-MOFs precursor suspension; the CoNi-MOFs precursor turbid liquid is placed in a centrifugal machine to be subjected to centrifugal treatment, CoNi-MOFs precipitates with supernate removed are obtained, the CoNi-MOFs precipitates are placed in a vacuum drying box to be subjected to drying treatment, and CoNi-MOFs powder is obtained to serve as a CoNi-MOFs precursor; and the CoNi-MOFs precursor is placed in a tube furnace to be subjected to calcination treatment, and CoNi-MOFs-800 powder is obtained to serve as the wide-spectrum extinction interference material.