161 results about "Complete mixing" patented technology

The present invention relates to a method for preparing an acrylic ester polymer syrup by bulk polymerization, and more particularly, to a method for preparing an acrylic ester polymer syrup, which comprises the steps of: supplying a monomer solution and an initiator solution to a monomer solution reservoir and an initiator solution reservoir, respectively; supplying the monomer solution and the initiator solution to a complete-mixing type continuous reactor, while maintaining the dissolved oxygen in the monomer solution reservoir and the initiator solution reservoir at 0.0001 to 3 ppm, separately or after mixing prior to the supply; and performing bulk polymerization continuously while maintaining the solution mixture supplied to the continuous reactor at 70 to 150 ° C. and 1 to 10 atm, with a mean residence time of 30 to 240 minutes. In accordance with the present invention, an acrylic ester polymer syrup can be obtained with a degree of polymerization of 20 to 70% at a low polymerization temperature, even with a small amount of initiator. Productivity can be improved by reducing reaction time with the use of an initiator having a short half-life and polymerization can be performed very stably and continuously without gelation.

The device includes a pair of flat planar vanes securely mounted within a cylindrical housing. The vanes have a medial slit extending from the center to a longitudinal end of the vane. The vanes are interconnected at the slits so that they are in criss-cross positioning. The vanes are axially angled so that when positioned in an intake air duct the vanes impart a swirling motion to the air entering the engine providing more complete mixing of the air and fuel and when positioned in an exhaust passageway the vanes impart a swirling motion to the exhaust gases exiting the engine providing scavenging of the exhaust gases.

The invention provides a handwriting input method and a handwriting input device based on a total mixed associative library. The method comprising the following steps: a user handwrites characters in an input region; a character recognition unit recognizes the input characters, and obtains a group of recognition candidate characters; the first selected characters of the recognition candidate characters are displayed in an input character display region; when displaying the first selected characters, based on the pre-built total mixed associative library, the candidate association characters corresponding to the first selected characters are displayed in an association characters display region; if the user needs to input associative characters, the displayed candidate associative characters are selected directly; the context relation of the input text is recorded after a characters input is finished, an associative characters table of corresponding characters in the total mixed library is rectified based on the context relation. The method and the device perform handwriting input based on the total mixed associative library, modify the candidate arrangement sequence of the associative characters in the total mixed library, which makes it convenient for users and improves input speed.

A dispenser closure (A) for a container including a storage chamber (2), a flexible diaphragm (3) and a membrane opening device (6) attached to the flexible diaphragm (3), whereby the membrane opening device (6) includes a support structure (7) in the form of an open structure with cutting teeth (11) in which a substance, additive, ingredient or powder to be dispensed may flow and out through the opened membrane. The open support structure results in mixing to occur immediately when the membrane is open, enables free movement of the substance, and facilitates complete mixing as there are fewer surfaces to trap the substance. Upon depression of the flexible diaphragm, the cutting teeth (11) of the opening device (6) moves to cut the membrane (5) thereby opening the storage chamber to allow the substance to mix with water, a solution or a sports drink contained in an attached container or bottle.

The invention relates to a screw agitation reactor of the freezing mixture and the use and the polyreaction technique. The reactor includes the support, the tubular material trough which has the material entrance and the export circle, the bearing, the spiral stirrer, the gland seal and the power dragging turning gear. It is suitable for producing polymer by the solution polymerization method technological process like synthetic rubber, the plastic and the textile fiber, especially suitable for synthesizing isoprene rubber and cis-butadiene rubber in the rare earths catalysis system. It replaces the complete mixing flow type of the completely backmixing by the plug flow type of no backmixing, strengthened the polyreaction process and the heat transfer process, the reactor volume is reduced obviously, the energy consumption is reduced largely, the polymer performance is enhanced.

A process for producing a methacrylic polymer comprising: a step in which bulk polymerization is conducted in one complete mixing type reactor at a temperature of 110 to 160 DEG C using a chain transfer agent in a specific concentration and a free-radical initiator having a specific half-life so as to result in a polymer content of 35 to 65% by weight; a step in which the reaction mixture is continuously discharged from the reactor and sent through a plug flow type reactor while pressurizing the mixture at or above a given value throughout the reactor; a step in which the reaction mixture is passed through a plug flow type reactor having a specific inner-wall temperature while polymerizing the mixture using a free-radical initiator having a specific half-life so as to result in a polymer content at the outlet of 50 to 85% by weight; and a subsequent step in which volatiles are continuously removed from the reaction mixture. By the process, a methacrylic polymer having excellent moldability can be efficiently produced.

The invention belongs to the field of scientific testing methods and instruments and particularly relates to an isothermal differential analysis method and an isothermal differential analyzer of gas-solid reactions. The isothermal differential analysis method of gas-solid reactions comprises the following steps: feeding fine particle reactants to a fluidized bed through a transient pulse sampling system, and online monitoring concentration and flow rate through a transient pulse gas conveying sample and a gas product of the fine particle reactants to quickly heat the reaction materials and realize isothermal differential under isothermal conditions. According to the method, approximate plug flow of gas and approximate complete mixing flow of particles in a miniature reactor can be realized to reinforce the heat and mass transfer efficiency and realize the isothermal differential of the reaction, so that the reaction test is closer to the intrinsic characteristics of the chemical reaction.

The invention discloses a ferro-nickel alloy production technology with laterite nickel ore processed through an oxygen enrichment hot air shaft furnace and belongs to the field of laterite nickel ore production. The technology is characterized in that the laterite nickel ore is main raw materials, a certain quantity of reducing agents, fusion agents and water are added, after complete mixing, a ball is formed by pressing through a ball press machine, after drying, the ball is sent into the oxygen enrichment hot air shaft furnace for smelting, finally nickeliferous molten iron, high-heat-value gas and slag are obtained, the nickeliferous molten iron is cast to form an ingot, ferro-nickel alloy is obtained, and the high-heat-value gas and the slag are cycled and used. The production technology has the advantages of being simple and easy to operate, raw material adaptability is strong, processing efficiency is high, different kinds of laterite nickel ore can be processed efficiently, the ferro-nickel alloy is produced, and meanwhile the high-heat-value gas generated in the smelting process can be used in a physical heat and chemical heat mode, the generated slag can be in resource utilization, and obvious economic benefit and environmental benefit are achieved.

The present invention provides a method of preparing nanometer copper lubricant additive by a high gravity technology. Copper salt solution and reducer solution are processed for the liquid phase reduction reaction of cupric salt inside a high gravity machine, the solution after the reaction and extractant are mixed inside a static mixer and then stirred inside a reaction vessel for complete mixing reaction and the surface modification during the process of extraction and to be processed for standing and being layered, oil phase at the upper layer is obtained for pressure reduction and distillation to obtain a final product. The reaction speed of the method of the present invention is fast; the repeat reproducibility of the products between batches is good; the nanometer copper lubricant additive is prepared directly by a wet method, which does not require vacuum drying for preparing for nanometer copper dry powder, avoids the occurrence of agglomeration, simplifies the technical flow and has high product quality, high yield and short production period; the granularity of prepared nanometer copper powder reaches the nanometer grade (is less than 20nm) and is distributed quite narrowly, and the nanometer copper powder has very good dispersion stability in the lubricant.

The invention relates to a method for preparing furfuryl alcohol by taking furfural as a material through hydrogenation and a system thereof. The method disclosed in the invention includes the steps as follows: one or a plurality of complete mixing flow reactors and one or a plurality of plug-flow reactors are connected in series for combined-use; reaction materials are continuously arranged in the reactors for continuous reaction so as to obtain the furfuryl alcohol, wherein, the reaction materials include the material of furfural, a catalyst and hydrogen. The invention also relates to a system used in the method. The method of the invention has the advantages of low reaction temperature, stable operation as well as less material and energy consumption.

The present invention relates to preparation process of hydrocarbon hydroprocessing catalyst, which has gamma-Al2O3 as carrier, VIB and VIII metal as the active component, and Ti, etc as the active assistant, with the assistant Ti being introduced in the pH swinging carbonization process for producing aluminum hydroxide. The process of preparing the catalyst is one complete mixing and kneading process including the steps of introducing Ti to aluminum hydroxide powder via adding Ti salt solution, adding Mo and/or W containing alkaline solution, mixing and kneading until the aluminum hydroxide powder is wetted completely by the alkaline solution, adding Co and/or Ni containing acid solution, mixing and kneading to obtain plastic material, extruding, drying, and roasting to obtain the catalyst. The catalyst has homogeneously distributed Ti component and obviously raised performance.

The invention discloses a gas-liquid blending and stirring device of a sewage-sludge complete mixing type anaerobic fermentation tank and a treatment method thereof, wherein the upper end of an anaerobic fermentation tank is connected with a trapezoidal tank cover, and the lower end thereof is connected with an inverted triangular tank bottom, the top left side of the anaerobic fermentation tank is connected with a safety valve, the cavity of the anaerobic fermentation tank is connected with a gas lifting flow guide device, and the lower end of the gas lifting flow guide device is connected with a gas collection and flow guide bell mouth; a gas-liquid blending device is arranged below the liquid level of the anaerobic fermentation tank, a circular stirring pump and a primary liquid feeding pump are installed on the ground at the outer side of the anaerobic fermentation tank, the outlets of the circular stirring pump and the primary liquid feeding pump are connected with the gas-liquid blending device, the inlet of the circular stirring pump is connected with one side of the inverted triangular tank bottom, and the other side of the inverted triangular tank bottom is connected with a mud discharge pipe; and the inlet of the primary liquid feeding pump is connected to a feeding pool. The gas-liquid blending and stirring device disclosed by the invention has the advantages of reinforcing the stirring strength, enhancing the blending effect of the material and strain, improving the treatment effect, having a small volume and saving the occupation area. The interior of the anaerobic fermentation tank needs no maintenance; furthermore, the gas-liquid blending and stirring device has a simple structure and convenience for installation, so that the device can be extensively applied in the sewage and sludge treatment industry.

The invention discloses application of environment-friendly enzyme in restoration of soil polluted by heavy metal and a restoration method. The environment-friendly enzyme is formed by kitchen waste, water and sugar in a mixed fermentation manner; and the kitchen waste is composed of, by weight percentage, 40%-80% of fruits, 20%-60% of vegetables and 0-30% of plant leaves. The restoration method includes the following steps that S1, a stock solution of the environment-friendly enzyme is prepared; S2, soil to be washed in a sprinkling manner is subjected to impurity removing and screening, and meanwhile the heavy metal content of the soil is analyzed; and S3, sprinkling washing is performed, wherein the stock solution of the enzyme is diluted according to the proportion of 1:0-100 and then serves as an acidic sprinkling washing agent to perform sprinkling washing; when a restoration object is industrial soil, solid-liquid separation is performed after complete mixing, and purifying waste liquid is recycled to be reused; and when a restoration object is farmland soil, after the soil is ploughed loose, the sprinkling washing agent is added to soak the soil for several days, the sprinkling washing liquid is collected at a water draining port, and part of the sprinkling washing agent is irrigated into a plough pan with the heavy metal. The application of the environment-friendly enzyme in restoration of the soil polluted by the heavy metal and the restoration method have the beneficial effects that cost is low, waste is cyclically reused, operation and management are easy, the restoration period is short, secondary pollution is avoided, and the like.

The invention relates to the field of polyesters and particularly relates to a continuous polymerization preparation method of a flame-retardant anti-static PTT (polytrimethylene terephthalate) polyester and the polyester prepared by using the same. The preparation method comprises the following steps: placing terephthalic acid and propylene glycol into a pulping kettle, adding a catalyst, pulping and placing into a pulp supply tank; pumping the pulp subjected to an esterification reaction through a first esterification kettle and a second esterification kettle into a pipeline, and enabling the pipeline to pass through an injector 1 and an injector 2 in sequence; adding an antistatic agent through the injector 1 and a flame retardant through the injector 2 into the pipeline on line; then pumping into a complete mixing kettle to mix; finally, sequentially feeding into a precondensation kettle, a final polycondensation kettle and a tackification polycondensation kettle to carry out polycondensation reaction, discharging when the intrinsic viscosity is 1.30-1.4dL/g and carrying out sized dicing to obtain the PTT polyester. The flame-retardant antistatic PTT polyester prepared by the continuous polymerization preparation method is stable in quality and suitable for large-scale industrial production, and the difference between a batch polymerization kettle and a kettle as well as the difference in the same reaction kettle are eliminated.

The invention discloses an aminosilane-terminated modified polyurethane resin and a preparation method thereof, wherein the aminosilane-terminated modified polyurethane resin is prepared from the following raw materials: 1) polypolyol, 2) diisocyanate, 3) aminosilane, and 4) a molecular chain regulator. The preparation method comprises: I, carrying out a complete mixing reaction on polypolyol andan excess diisocyanate compound to obtain an isocyanate-terminated prepolymer; II, mixing aminosilane and the prepolymer obtained in the step I, and carrying out a reaction to obtain an aminosilane-terminated polyurethane prepolymer; and III, adding a molecular chain regulator to the prepolymer obtained in the step II, and carrying out a complete mixing reaction to obtain the aminosilane-terminated modified polyurethane resin. According to the present invention, the aminosilane-terminated modified polyurethane resin prepared by the method has characteristics of low viscosity, high storage stability and good mechanical property.

The invention discloses a high-concentration nitrobenzene wastewater pretreatment device and treatment method, belonging to the field of organic chemical industry wastewater treatment. The device and method solve the problems of high pretreatment difficulty, low treatment efficiency, high treatment cost, complex operation and the like in the existing high-concentration nitrobenzene wastewater treatment method. The pretreatment device is sequentially composed of a pH regulating tank, an integrated complete-mixing zero-valent iron reaction tank, a Fenton-like reaction tank and a flocculating settling tank. The integrated complete-mixing zero-valent iron reaction tank has high reduction treatment capacity for nondegradable organic matters, can not harden after long-term operation, and has the advantages of wide pH value range, low iron powder consumption, lower operating cost and simple operation. The Fenton-like reaction tank performs Fenton oxidation by utilizing Fe<2+> and H2O2 which are dissolved out by the integrated complete-mixing catalytic zero-valent iron reduction reaction, thereby lowering the pollutant concentration under economical conditions. Thus, the high-concentration nitrobenzene wastewater pretreatment method has the advantages of favorable treatment effect and lower operating cost, is simple to operate, and can stably satisfy the subsequent biochemical treatment requirements.

The invention provides a handwriting input device used for total mixed input as well as a method thereof. The device comprises: an interactive unit which is used for receiving character writing input by a user by hand, and executing the interaction with the user according to an interactive mode; an operation processing unit which is used for receiving character writing from the interactive unit, identifying the character writing for obtaining a group of candidate words, and confirming the interactive mode to be adopted according to the identified candidate words; and a storage unit for storing the character writing input by the user by hand and received by the interactive unit as well as a feature library of total mixed characters, wherein, if the operation processing unit recognizes thatthe preferred candidate word is a special candidate word, the rest candidate words are any words of Chinese characters, digits, English letters and punctuations, and a logic arithmetic unit notifies the message which confirms the interaction with the user by a letter and phonetic alphabet mixed mode to the interactive unit.

The invention relates to an anaerobic fermentation treatment device, aiming to provide a vertical dry-process anaerobic fermentation device by using high-pressure marsh gases to be stirred and treating organic wastes in a rotary transversal-push type manner. The invention is characterized in that the device is composed of a vertical cylindrical tank body and a feeding pump, wherein the vertical cylindrical tank body comprises a complete mixing type reactor on the upper layer and a manipulator room on the lower layer; a partition wall is arranged in the reactor along the diametrical direction, and the wall ridges of the wall are connected with the side walls of the reactor; the side walls of the reactor at the two sides of the partition wall are provided with feed inlets and feed outlets with different heights; the bottom of the reactor is provided with a high pressure spraying nozzle; due to the partition wall, the fermenting materials move round a circle direction to from a horizontal plug flow movement after the organic wastes are pumped into the reactor; and the compressed marsh gases enter into the reactor by the spraying nozzle for stirring fermention of the materials. The invention has the advantages of reasonable structure, large unit volume, no mechanical equipments in the reactor, low cost, high treatment benefit, large gas generation rate, energy conservation, no environmental pollution and the like.

The invention relates to a method for reducing the freezing point of biodiesel, which belongs to the technical field of fine chemical industry. In the method, mixture of branched methyl-based methyl stearate without any double bond is added in biodiesel according to a specific proportion, the methyl can be in various positions, and the biodiesel with a low freezing point can be obtained after complete mixing. The addition of methyl isostearate into the biodiesel enhances the stability and oxidation resistance of the biodiesel, and also improves the engine lubricating property. Moreover, the compounding process is simple and safe.

This invention relates to a construction binder, which is prepared by: adding carboxymethyl amylocellulose ether, hydroxypropyl methylcellulose, lignin fibers, sodium dodecyl benzenesulfonate, bentonite and polyacrylamide into a mixer, and dry-stirring for a certain time until complete mixing. This invention fully exploits the advantages of organic and inorganic materials. The obtained construction binder has such advantages as high binding strength, high water-retaining rate, good anti-crack performance, good waterproof performance, no odor and no toxicity, and is environmentally friendly. The construction binder can be used as an additive for powdery building materials such as dry-mixed heat-insulation mortar, anti-crack mortar, brushing gypsum, putty powder, construction binder and polymeric mortar.

The invention discloses a system and a method for automatically separating solid from liquid by mud self-thermal high-temperature aerobic digestion. The system comprises a mud discharging device, a mud aerobic digestion device, a solid-liquid two-phase spearing and solid concentrating device. The mud aerobic digestion device comprises three hydraulic separated independent function areas: an intrinsic cycle area, a complete mixing area and a high-temperature sterilizing area, for respectively processing the mud digestion and sterilizing. A mud exit system of the mud aerobic digestion device isprovided with an air hoisting tube and the mud exits out from the bottom. The mud digestion of invention can acquire the effect that more than 40% of organic matter can be removed when the mud stays four days; the power consumption for removing one kilogram of organic matter is 1.4kW.h and killing the pathogenic agent in the mud meets the standard of 'found nothing'. The mud automatically separating and concentrating of the invention can acquire the effect that the SS capturing ratio in mud is higher than 99% and the solid-containing ratio of the concentrated mud is higher than 12%.

The present invention discloses a feed mixing device for five-black chicken breeding farms and more particularly relates to the feed multi-stage mixing device for the five-black chicken breeding farms. The device aims to solve the technical problem to provide the feed multi-stage mixing device for the five-black chicken breeding farms, which is even and complete in mixing and can be used in a quantitative taking. In order to solve the above technical problems, the provided feed multi-stage mixing device for the five-black chicken breeding farms comprises a bottom plate, a first valve, a first support rod, a collecting frame, a first bearing seat, a shaking handle, a first rotating shaft, a screw rod, an extrusion box, a second valve, a material outlet tube, etc. A left rack is welded at the left end of the top of the bottom plate and the first support rod is welded symmetrically at the center of the top of the bottom plate. The device reaches the effects of even and complete mixing, and quantitative taking, and is reasonable in structure, low in production costs and easy in maintenance due to the fact the materials of the bottom plate are high-quality steels.

The invention discloses a reactor for oxidation production of aromatic aldehyde by using methylbenzene substances. The reactor for oxidation production of aromatic aldehyde by using the methylbenzene substances comprises a main body, first baffle plates and second baffle plates, wherein an upper reaction cavity and a lower reaction cavity which are in communication are arranged in the main body; a feed opening and a circulating liquid outlet are formed in the wall of the lower reaction cavity, and an exhaust gas outlet and a discharge opening are formed in the wall of the upper reaction cavity; the main body is also provided with a circulating liquid inlet and an air inlet, wherein the circulating liquid inlet communicates with the circulating liquid outlet; the first baffle plates and the second baffle plates are alternately arranged in the upper reaction cavity in an up-and-down direction, the first baffle plates are annular, and the second baffle plates are circular; and the inner edges of the first baffle plates are located on the inner sides of the edges of the second baffle plates. The reactor for oxidation production of the aromatic aldehyde by using the methylbenzene substances disclosed by the invention has comprehensive characteristics of a complete mixing flow reaction and a piston flow reaction, has the advantages of being high in reaction efficiency, good in selectivity and the like, and can effectively restrain deep oxidation of aromatic aldehyde products.

The invention relates to a deep nitrogen and phosphorus removal method for industrial wastewater and biochemical tail water, relating to a wastewater multi-level treatment method containing at least one chemical treatment step. According to the deep nitrogen and phosphorus removal method, the nitrogen and phosphorus removal effects are good. The deep nitrogen and phosphorus removal method comprises the following steps: (1) adding a flocculating agent into to-be-treated industrial wastewater and biochemical tail water, so as to remove total phosphorus from the wastewater; (2) pumping effluent of the step (1) into a complete mixing flow reactor filled with high selectivity denitrification resin, and adjusting the regeneration frequency so as to stabilize concentrations of total nitrogen and total phosphorus within a certain range; and (3) taking out adsorbed and saturated resin in the step (2) in a certain proportion, regenerating the resin by virtue of a regenerant in a volume ratio of 1 to 1, diluting a desorption liquid to a certain times, and returning the desorption liquid to a front-end biochemical treatment system. By treating through the method, the dosing quantity of medicaments such as the flocculant and a carbon source can be greatly reduced, and furthermore, external influence on effluent quality is extremely small. The deep nitrogen and phosphorus removal method belongs to the field of deep treatment of industrial wastewater.