34results about How to "Reduce mixing energy consumption" patented technology

The invention provides a blending system of a fracturing fluid. The blending system comprises a suction pump, a mixer, a mixing tank, a secondary mixer which is arranged between the mixer and the nixing tank and is used for mixing the fracturing fluid again, and a parallel-connection water channel, wherein one end of the parallel-connection water channel is communicated with the suction pump, the parallel-connection water channel and a mixing water channel of the mixer are connected in parallel, and the other end of the parallel-connection water channel is communicated with the secondary mixer. The blending system provided by the invention has the advantages that the parallel water channel is additionally arranged and is connected with the mixing water channel in parallel, a base solution is capable of simultaneously entering two routes, namely the mixing water channel and the parallel-connection water channel, not all of the base solution enters the mixing water channel, a condition that the limitation on blending efficiency is caused by the relatively small flow of the mixing water channel is avoided, the blending time is shortened, the blending energy consumption is reduced, the fracturing fluid is formed through multi-time blending in a double-route manner, the mixing uniformity is improved, and the quality of the fracturing fluid is further optimized. The invention also provides a fracturing fluid blending technology suitable for the blending system of the fracturing fluid.

The invention relates to the field of functional natural rubber composite materials, in particular to a preparation method of a graphene-silicon dioxide modified natural rubber composite material with high thermal conductivity, low thermodynamic property and excellent mechanical property for tires. GO aqueous dispersion liquid, SiO2 particles and natural rubber (NR) latex are used as raw materials, SiO2 is modified twice by adopting an organic compound and GO, and the GO-SiO2 modified NR composite material is prepared in a co-aqueous phase by utilizing a latex co-precipitation method. The preparation method has the advantages that the mixing section number, the mixing time, the mixing energy consumption and the dust pollution in the rubber preparation process can be reduced, the dispersity of GO-SiO2 in a rubber matrix can be improved, the interface interaction between GO-SiO2 and the rubber matrix is improved, and the mechanical property of the finally prepared rubber composite material is obviously improved; and meanwhile, friction heat generated between a filler and a matrix and interface thermal resistance between the filler and the matrix can be reduced, and temperature rise of the tire in the driving process is reduced, so that the thermal aging speed of the rubber tire in the dynamic use process is slowed down, and the service life of the rubber tire is prolonged.

The invention discloses an anti-aging modified natural rubber composite material. The anti-aging modified natural rubber composite material is prepared from natural rubber, butadiene rubber, butadiene styrene rubber, butadiene-acrylonitrile rubber, epoxidized natural rubber, nano-zinc oxide, stearic acid, sulfur, dicumyl peroxide, triallyl trimellitate, p-tert-butyl-phenolic resin, nano calcium carbonate, precipitated silica, carbon black purple, nano-microcrystalline cellulose, nano-silicon dioxide, an anti-aging agent, potassium iso-propyl xanthate, dibenzylamine, tetrahydrofurfurylamine, isopropyl trioleoyl titanate, vinyltris(beta-methoxyethoxy)silane, diethylene glycol distearate and polyethyl dialcohol adipate. The anti-aging modified natural rubber composite material is high in strength, good in heat resistance and aging resistance and capable of meeting the usage requirements of multiple fields of cables, rubber pipes and the like.

The invention relates to a clay powder for improving the vulcanization processability of rubber and a preparation method for the same, wherein the average diameter of the grains of the clay powder disclosed by the invention is 1.5-2.0 mum, the average diameter of the grain lamellar structure of the powder is 600-800 nm, and the average thickness of the lamellar structure is 50-200 nm. The clay powder is composed of the following components in parts by weight: 50-80 parts of kaolin, 20-50 parts of bentonite, 0.5-2.0% of dispersant and 0.5-2.0% of surface modifier, wherein the dispersant is one or more in sodium polyacrylate, sodium hexametaphosphate and sodium silicate, and the surface modifier is one or more in a titanate coupling agent, a silane coupling agent and fatty acid salt. The preparation method is the traditional stirring and grinding method. With the clay powder, the vulcanization time of rubber can be shortened, the vulcanization time is increased, and the processability of rubber is improved; simultaneously, the good mechanical performances of tensile strength, stretching strength and the like of rubber materials can be contributed.

The invention relates to the field of rubber hose preparation, in particular to a rubber hose inner rubber layer for ethanol resistant gasoline oiling machine and a preparation method of the rubber hose inner rubber layer. The rubber hose inner rubber layer is prepared from the following raw materials in parts by weight: 60-76 parts of nitrile rubber, 24-35 parts of chlorosulfonated polyethylene rubber, 8-13 parts of a homogenizer, 2.7-4.2 parts of zinc oxide, 1.1-1.8 parts of stearic acid, and 2-4 parts of an anti-aging agent, 8.9-10 parts of carbon black, 7-12 parts of white carbon black, 17-25 parts of silica micro powder, 8-13 parts of light calcium carbonate, 7-12 parts of dioctyl ester, 1.2-1.7 parts of sulfur, 0.6-1.1 parts of an accelerant, 0.8-1.3 parts of a vulcanization accelerant and 4.6-7.3 parts of an adhesive. The rubber hose inner rubber layer has good vapor oil resistance and ethanol resistance.

The invention relates to an electromagnetic induction type thermally dispersed PAN-PE composite modified stone mastic asphalt material, a preparing method thereof and a constructing method of the material. The material is prepared by mixing and stirring polyoxyethylene alkyl ether, silicone oil and water to prepare a dispersing agent, mixing polyaniline and polyethylene to prepare an electromagnetic induction type PAN-PE compound polymer modifying agent, adding the modifying agent into matrix asphalt, stirring, mixing, shearing, blending weighed aggregate and lignin fibres, blending the PAN-PE compound modified asphalt, the aggregate and the lignin fibres, adding the dispersing agent and a warm-mix agent, adding ore powder, blending, and discharging from a kettle to obtain the material. The material can be used for local damage repair of SMA pavements of bridge floors, tunnels, airports and highways of various grades, is capable of pre-mixing, free of blocking and capable of long-term storage, is a high-performance hot-repair material that can be heated when the material is to be used for pits and slots, is suitable for repairing SMA type pavements and fully matches original pavements.

The invention discloses a preparation method of cottonseed meal protein compound slurry. The preparation method comprises the following steps: mixing cottonseed meal, which is treated by detoxification by using gossypol, with starch according to a dry basis mass ratio of (20 to 1) to (10 to 1) to obtain mixed dry powder; putting the mixed dry powder into an alkaline solution, wherein the mass of the alkaline solution is 5-20 times that of the mixed dry powder, and the hydroxyl ion concentration of the alkaline solution is 1-5%; carrying out ultrasonic treatment on the obtained mixture for 5-60min; then, stirring and heating for 30-90min at the constant temperature of 50-95 DEG C, adding a hydrophilic plasticizer in the process of stirring and heating, wherein the mass of the hydrophilic plasticizer accounts for 10-30% of that of the mixed dry powder, using diluted hydrochloric acid to adjust the pH value of a reaction system to a neutral or weak alkaline condition, and removing precipitate to obtain the slurry which is the cottonseed meal protein compound liquid slurry directly used for sizing. After the technical scheme is adopted, the completely unshelled cottonseed meal is prepared into the slurry for warp sizing so as to replace polyvinyl alcohol (PVA), so that the problem that the biodegradation of desizing wastewater is difficult to implement is effectively solved, and the bottleneck that the desizing wastewater is difficult to treat is broken through.

The invention belongs to the field of photobioreactors, and particularly relates to a simple raceway pond used for microalgae cultivation and a use method thereof. The simple raceway pond comprises araceway pond lining and a raceway pond frame, wherein the raceway pond frame comprises a straight runner wall, a bent runner wall, a flow separating wall, stirring paddles, a variable speed motor, a support rod and a liquid propeller, wherein the straight runner wall, the bent runner wall and the flow separating wall form a circular water pond frame of the raceway pond. The raceway pond frame is easy to construct and is firm, is convenient to disassemble, and can be enlarged easily, and the corresponding size can be determined according to actual site. The raceway pond lining is of a completesleeve structure, cannot wrinkle during use, does not need to be splice, can effectively avoid liquid leakage, and is made of food-grade materials, so that the risk of heavy metal pollution caused byadopting cement or a geomembrane can be avoided. The liquid propeller can be matched with the stirring paddles to be used, has the characteristics of obviously reducing the liquid mixing energy consumption, and meanwhile can avoid algae cell settlement, so that the area yield can be increased.

The invention relates to fiber/TPI rubber master batch, a preparing method thereof and application of the rubber master batch in rubber compositions. The method includes following steps of: (1) mixing trans-isoprene rubber and fibers, stirring, mixing to obtain a premix material, with the stirring being performed at 30-50 DEG C for 5-9 min at a stirring speed of 900-1500 r/min; and (2) mixing the premix material in an internal mixer at 70-120 DEG C for 5-10 min, with the rotation speed of the internal mixer being 50-90 r/min, and discharging rubber to obtain the fiber/TPI rubber master batch. The prepared fiber/TPI rubber master batch is liable to mix with natural rubber or other synthetic rubber to form fiber/rubber compositions with good performance, and can improve performance of the rubber compositions.

The invention discloses a method for treating waste water produced by 7-aminocephalosporanic acid. The waste water is injected into a regulating tank to adjust pH, and then undergoes A/O process biochemical treatment and mud-water separation, and then conducts solid-liquid treatment after flocculation reaction and precipitation. Separation, the separated water is discharged after testing up to the standard, and the remaining sludge enters the automatic high-pressure plate frame for dehydration treatment. The beneficial effects of the present invention are: the present invention has simple process, small engineering quantity, short construction period, small project investment, and the treatment efficiency of total nitrogen and ammonia nitrogen can be as high as 95%, stable water output, simple operation and convenient maintenance. Greatly improved the economic benefits of the enterprise.

The invention relates to the technical field of rubber mixing, in particular to a rubber mixing method, mixed rubber and application. According to the invention, the mixing uniformity of the rubber compound is improved, the physical and mechanical properties of the rubber compound are improved, the dynamic properties of the rubber compound can be improved, heat generation and rolling resistance are reduced, the fatigue resistance and crack resistance of the rubber compound are improved, and the service life of a tire is prolonged; the composite material has enough rigidity, and also has enough flex resistance, tear resistance and low heat generation performance.

The invention discloses a mixing method for preparing nitrile rubber/polyvinyl chloride alloy mixed rubber by two-stage mixing. The method is characterized in that the method comprises two-stage mixing, two internal mixers are used for mixing respectively, the first stage is heating mixing, and the second stage is cooling mixing; the method specifically comprises the following steps: adding nitrile rubber, polyvinyl chloride, a PVC stabilizer and a high-temperature rubber additive into the first-stage internal mixer, controlling the rotating speed in the mixing process to be that the shear heat generation is greater than the heat dissipation, heat is generated while mixing, and discharging after the mixing temperature reaches the first-stage discharging temperature; the discharged materials are not cooled and are directly fed into the second-stage internal mixer; and a final mixing aid is added into the second-stage internal mixer at the same time, the rotating speed and the cooling condition are controlled so that the materials are cooled at a certain cooling speed while internal mixing; when the temperature of the material mixture reaches a certain temperature, the material mixture is discharged, thus completing mixing; the material mixture is added into an open mill for thinning and sheet discharging.

The invention relates to thermal dissociation type long-time storage warm mixing densely-graded asphalt concrete and a preparation method thereof.The thermal dissociation type long-time storage warm mixing densely-graded asphalt concrete is prepared from, by mass, 100 parts of aggregate, 4-8 parts of mineral powder, 4-6 parts of asphalt, 1-1.5 parts of Spro warm mixing disassociation agent and 1-5 parts of warm mixing agent.The maximum nominal grain diameter of the aggregate is 13 mm, and the design porosity of a mixture is 3.5%-4.5%.The Spro warm mixing discrete agent mainly achieves the effects of heat disassociation and reduction of the viscosity of an asphalt binding material on the mixture.The asphalt concrete can be applied to repairing of local damage such as pit slots, slurry spurting, check crack and fracturing of asphalt pavements, bridge floor asphalt pavement layers and tunnel asphalt concrete runway pavements, it is guaranteed that the pavement performance of the mixture completely meets the requirements for the performance of the hot mixing mixture, the problem that an existing diluted asphalt or emulsified asphalt cold repair material is insufficient in performance is solved, and the problem that a material source is hardly found hot material hot repairing can be solved.

The invention discloses a process for efficiently modifying waste polypropylene in a green manner. The process includes steps of granulating the waste polypropylene; drying the polypropylene; adding magnesium hydroxide, pentaerythritol ester and high-pressure polyethylene into the polypropylene to obtain first mixtures; adding dispersing agents into the first mixtures to obtain second mixtures; extruding the second mixtures by the aid of double screws; adding magnesium oxide whiskers into the second mixtures and the like. The process has the advantages that the waste polypropylene can be processed and modified under simple process conditions, accordingly, the mechanical properties and the flame-retardant properties of the polypropylene can be improved, the process cycle can be shortened, secondary pollution can be prevented, the cost can be saved, and environments can be protected.

The invention discloses a method for culturing microalgae based on an artificial intelligence microalgae mixing system, and relates to the technical field of microalgae culture. According to the method, mixing intensity is adjusted by measuring the temperature and the light intensity in real time to realize balanced management of the mixing energy. More importantly, the method can enhance the mixing efficiency of the saved energy in the optimal growth time, so that the production efficiency of the microalgae is expected to be further improved. Therefore, the method provided by the invention can ensure the efficient growth of microalgae while reducing mixing energy consumption, and has great potential for application.

The invention discloses a preparation method of high styrene emulsion coprecipitation rubber filled with a softening agent and montmorillonite. The preparation method comprises the steps that 1, raw materials are prepared according to a formula; 2, a montmorillonite suspension, a coupling agent and an anti-aging agent are added into high styrene rubber emulsion; 3, the emulsification softening agent is added; 4, an emulsification mixture, a flocculating agent and protonic acid are slowly and simultaneously added into an aqueous solution of inorganic salt and a flocculating agent; 5, inorganic base is added to regulate the pH to be 7, flocculate is formed while stirring is performed, and the flocculate is dewatered and dried to obtain the high styrene emulsion coprecipitation rubber filled with the softening agent and the montmorillonite. According to the preparation method, the montmorillonite is firstly soaked and intercalated through the low-molecular softening agent in the coprecipitation process, and the low-molecular softening agent carries the montmorillonite to together permeate among rubber particle molecular chains to form an integral body, so that the montmorillonite cannot be separated into a water phase alone any more during massive filling of the montmorillonite; meanwhile, montmorillonite layers are dispersed more uniformly, the more effective filling and reinforcing effects are achieved, and the performance of the coprecipitation rubber is excellent.