52results about How to "Continuous mixing" patented technology

The invention discloses a low-temperature carbonization apparatus and method for oil sand, oil sludge, oil shale and biomass. The apparatus comprises a delivery apparatus, a storage bin, a metering apparatus, a drying furnace and a surge bin. The method comprises the following steps: drying, preheating, carbonizing, and cooling. The core of the invention is an external heating type rotary carbonization furnace which realizes the pyrolysis of oil sand, oil shale, oil sludge (oil sludge on the ground, oil sludge at the bottom of a tank and oil-containing sludge from oil refinery) and biomass, and the product is high in purity and low in loss. The invention effectively solves the problems of solid materials such as adhesion, wall accretion and the like in the pyrolysis process by material returning. The technology provided by the invention is simple in process and reliable and stable in operation, and has obvious advantages in the treatment of small particle materials such as oil shale, oil sand, oil sludge (oil sludge on the ground, oil sludge at the bottom of a tank and oil-containing sludge from oil refinery), biomass and the like.

The invention discloses a spiral static mixer which is applied to mixing of multiple materials and particularly mixing of high-viscosity materials. The spiral static mixer comprises a shell, mounting flanges, left rotating blades and right rotating blades and is characterized in that the mounting flanges are respectively arranged at the two ends of the shell, the left rotating blades and the right rotating blades are in multiple-spiral blade structures and sequentially and alternately arranged from an inlet of the shell to an outlet of the shell, the adjacent left rotating blades and right rotating blades are fixedly connected at the periphery in a staggering manner, and a washing lifting ring is connected at one end of a blade group formed by the left rotating blades and the right rotating blades. The spiral static mixer provided by the invention has the advantages of simple structure, high mixing efficiency, convenience and fastness in installation, low cost, convenience in washing and suitability for long-time working; a mixed blade unit can be replaced; and the spiral static mixer is more widely applied to mixing of the high-viscosity materials in the chemical engineering industry.

The invention discloses an apparatus used for uniformly mixing a trace reagent and a macro material in the production of modified starch. The apparatus comprises a bottom base plate and a mixing cylinder, wherein one end, close to a hinge rod frame, of the bottom wall of the mixing cylinder is provided with a material discharge channel, a stirring round pipe coaxial with the mixing cylinder is arranged inside the mixing cylinder, the side wall, positioned inside the mixing cylinder, of the stirring round pipe is provided with a plurality of mixing pushing pipes, the side walls of the mixing pushing pipes are provided with a plurality of reagent dispersing holes, the outer side of the stirring round pipe is fixedly connected to a plurality of pushing rod frames, the pushing rod frames are provided with pressing rollers rotatably connected to the pushing rod frames, an airbag sleeve is arranged close to the inner wall of the mixing cylinder, the stirring round pipe bears against the inner side surface of the airbag sleeve, and the side wall of the mixing cylinder is provided with an inflation port. According to the present invention, the apparatus has characteristics of simple structure, convenient discharge of the mixed material, complete mixing, relatively low energy consumption, continuous mixing, continuous production, high production efficiency and strong practicability.

The invention belongs to the field of polymer materials, and in particular relates to a low-temperature-resistant polyolefin grafted maleic anhydride flexibilizer used for nylon and a preparation method of the flexibilizer. The flexibilizer comprises the following raw materials in parts by weight: 100 parts of a polyolefin elastomer, 0.3-1.5 parts of maleic anhydride, 2-6 parts of an ionic polymer, 1.0-2.0 parts of polypropylene powder, 0.05-0.15 part of graft polypropylene, 0.05-0.25 part of a lubricant, 0.1-0.3 part of a plasticizer, 0.05-0.2 part of an initiator, and 0.1-0.3 part of an antioxidant. According to the flexibilizer provided by the invention, the maleic anhydride is grafted through the polyolefin elastomer, the polarity of the polyolefin elastomer is enhanced, and the grafted polyolefin elastomer can be used as a flexibilizer, an interfacial modifier and a compatibilizer of the nylon; and the flexibilizer can obviously improve the compatibility of the polyolefin elastomer and a strong-polarity nylon material, and can effectively improve the low-temperature impact performance.

The invention discloses a static air mixer. Return distribution air and combustion-supporting air are introduced by utilizing a Venturi structure, are completely mixed under the action of a Venturi effect, keep at a complete importing state constantly, and are matched with a spiral air mixing channel, so that air flows are continuously blended and mixed uniformly, and the effects on uniformly mixing, reducing the oxygen content and outputting are achieved. According to the static air mixer, the return distribution air and the combustion-supporting air are introduced by utilizing the Venturi structure, are completely mixed under the action of the Venturi effect, keep at the complete importing state constantly, and are matched with the spiral air mixing channel, so that the air flows are continuously blended and mixed uniformly, and the effects on uniformly mixing, reducing the oxygen content and outputting are achieved.

A method for manufacturing a colored and differential polyester fiber through an improved fused mass direct-spinning online additive technique belongs to the technical field of synthetic fiber manufacturing method, aiming to provide a method for manufacturing a colored and differential polyester fiber through the improved fused mass direct-spinning online additive technique which is convenient for manufacturing black and dark color polyester fibers. The method comprises the following technical points: before polyester fused mass enters a spinning box body, a dried and fused modified raw material is fed into the spinning box body, and is sufficiently and evenly mixed with the polyester fused mass through an efficient static mixer; and after filtration, the modified raw material and the polyester fused mass are fed into the spinning box body together so as to carry out spinning. The modified raw material is subjected to drying and melting, and is indirectly injected into the efficient static mixer, is sufficiently and evenly mixed with the polyester fused mass, and is subjected to filteration. The technical points ensure excellent fluidity and filtering performance, and prolong the switching cycle of a filter and the change cycle of a spinning component; moreover, the method reduces the loss of color master batch during filtration as well as the production cost for black and dark color fibers.

The invention relates to a preparation method of a alkali-soluble hydroxyethylcellulose fiber spinning solution with high solid content, belonging to the technical field of novel environment-friendly fiber material preparation. The preparation method comprises the following steps of: (1) separately, continuously and quantificationally adding a dilute alkali solution with the concentration of 4-12 percent and alkali-soluble hydroxyethylcellulose powder with the etherification degree of 0.2-0.6 to a first counter-rotating twin screw extruder, wherein the weight percentage of the alkali-soluble hydroxyethylcellulose is 6-18 percent; and (2) sufficiently mixing and then continuously extruding into a second co-rotating twin screw extruder, regulating dissolution temperature to -30-5 DEG C and setting material residence time to 10-60 minutes, sufficiently dissolving, regulating the temperature, defoaming and then extruding to form the alkali-soluble hydroxyethylcellulose fiber spinning solution, and directly measuring and filtering and then carrying out wet spinning. The invention has continuous and efficient material mixing, dissolving and deforming process and is beneficial to realizing the continuous and stable spinning of the alkali-soluble hydroxyethylcellulose.

The invention discloses a purification method for a butyl acrylate crude product. The purification method comprises the following steps: with water as an extractant, carrying out continuous counter-current extraction on the butyl acrylate crude product, adequately mixing an extraction raffinate organic phase containing the butyl acrylate crude product with caustic soda liquid in a static mixer to have a neutralization reaction, discharging the separated salts, then removing impurities, light components and heavy components, and finally obtaining butyl acrylate with purity of 99.6% or above. The purification process disclosed by the invention is simple, the purity of butyl acrylate is high, and a one-pass yield can reach 98.5% or above; compared with the traditional process, the method disclosed by the invention has the advantages that 20% of the caustic soda liquid is saved averagely in the production of one ton of the butyl acrylate product, and the influence of neutralization and washing links on the purification system is reduced to the minimum. The purification method is remarkable in practicability and economic benefits and can be put into large-scale industrialized production easily.

The invention discloses a mixture for mixing materials with high temperature difference to polymerize aramid fiber II, which comprises a shell and a mixing chamber in the shell. The invention is characterized in that the mixing chamber is arranged with an internal mixing rod which top is connected with a mixing head, the shell is connected with two fluid channels communicated with the mixing chamber and an injection hole, and the lower end of the mixing shell is provided with an outlet. The invention can be used to continuously mix components at the ratio of stoichiometric coefficient, to meet different mixing demands of different materials. The invention can be used in the production of aramid fiber II, to continuously and stably produce poly-(p-phenyleneterephthalamide) resin.

The invention discloses a method for preparing a sodium-glucose co-transport enzyme inhibitor intermediate through utilization of a micro-reactor. The method comprises: mixing a solution formed from a compound III and an organic solvent with a metal organic reagent in a micro-reactor unit (L) through material pipes, and allowing the mixed solution to flow to a micro-reactor unit (H) through (L); mixing a solution formed from a compound II and an organic solvent with the solution obtained in the first step in the micro-reactor unit (H) at a pre-set temperature (T2) through a material pipe, allowing the mixed solution to pass through the micro-reactor unit (H) and to flow out from an outlet after a reaction is over; post-treating the reaction liquid flowing out of the outlet to obtain a target product, which is sodium-glucose co-transport enzyme inhibitor intermediate I. The intermediate I is prepared through the micro-reactor, and the problem in heat release of such reaction is solved. The safety of the reaction is improved, the reaction yield is increased, the reaction time is shortened, and the reaction efficiency is improved. An amplification effect hardly exists in a micro-reactor, and therefore, compared with conventional batch-type technology, the method is more suitable for industrial production.

The invention discloses an automatic smoke gas purifying device. The automatic smoke gas purifying device comprises a base, a bracket, a water inlet tube, a medicine distributing mechanism, two medicine pumping mechanisms which are symmetrically arranged along the medicine distributing mechanism, a lead screw, a servo motor, a first bracket, a medicine tank, a medicine liquor inlet tube, a filterscreen, a distributing box, at least two distributing tubes which are symmetrically arranged along the distributing box, a second bracket, a speed-regulating motor, a transmission mechanism, a purifying tank, a first rotary shaft, a tapered head, not less than two throwing discs which are uniformly distributed along the tapered head from top to bottom, and are gradually increased in diameter, an air distributing plate, a guide head, an upper partition, an insertion tube, a gas collecting box, a lower partition, a sewage tube, a purified gas outlet tube, a smoke gas inlet tube, a liquid inlet tube, and a connecting hose. The device is simple in structure, performs primary reaction on the smoke gas and atomized medicine liquor, and performs secondary reaction on the smoke gas and the atomized medicine liquor, so that the smoke gas is automatically purified; and moreover, medicine pumping amount is precise and adjustable, reaction medicine liquor is automatically proportioned and pumped,the medicine liquor is uniformly and continuously mixed with water, the smoke gas purifying efficiency is high, and the smoke gas purifying effect is good.

The invention provides chemical polymer material production equipment, relates to the technical field of chemical equipment, and solves the problems that other mixing structures cannot be synchronously mixed in a linkage manner during mixing to improve the mixing efficiency; multiple sealing cannot be achieved, and temporary collection cannot be achieved to provide buffer time for follow-up treatment when liquid leaks; and the sampling of different liquid levels cannot be realized during sampling. The chemical polymer material production equipment comprises a barrel body, and a first mixing structure is mounted in the barrel body, and a second mixing structure is further rotationally connected to the barrel body. Due to the fact that an annular groove is formed between a baffle ring and asealing ring, and the annular groove formed between the baffle ring and the sealing ring forms a liquid collecting structure, the liquid can be temporarily collected through the annular groove when overflowing, and the situation that the liquid directly flows to the outer wall of the barrel body to pollute the outer wall of the barrel body after overflowing can be prevented. And the buffer time ofthe maintenance treatment can be provided through temporary collection of the annular groove.

The invention relates to a device for multi-screw volume type continuous metering and material mixing, belonging to the field of chemical machinery. The device for multi-screw volume type continuous metering and material mixing comprises a screw metering device and a material mixing device, wherein the screw metering device comprises a feeding bin, a screw rod, a screw motor and a screw frequency converter, a feeding hole and a discharge hole are arranged on the feeding bin, the discharge hole is arranged above the screw rod, the screw rod is connected with the screw motor, the screw motor is connected with the screw frequency converter, the material mixing device consists of a material mixing tank and a material mixing motor, the material mixing tank is arranged opposite to the discharge end of the screw rod, the material mixing motor is arranged above the material mixing tank, and a blanking hole is arranged at the lower end of the material mixing tank. The invention has the advantage of reasonable structure design, realizes continuous metering and material mixing, improves the production technology and can regulate the material mixing proportion in real time.

The invention discloses a tubular high-pressure micro-dispersion mixer and belongs to the technical field of chemistry and chemical engineering. The micro-dispersion mixer adopts a tube array layout, the shell of the mixer is used for bearing high pressure, micro sieve pores or micro grooves positioned at the downstream of a tube array are used as a dispersion structure, and a cavity between the tube array and the shell is used as a fluid distribution chamber. In the operation process, a specific dispersion structure can be selected according to the physical property of the system, the macromixing of a homogeneous system or the dispersion of liquid drops and bubbles of a heterogeneous system can be completed in the mixer only by respectively introducing the fluid to be dispersed and the main fluid, and the mixing process is continuous, efficient and stable.

According to the invention, a production mode comprises: generating a monoquaternary ammonium salt intermediate, and then generating a target biquaternary ammonium salt product, wherein the whole production process achieves continuous production of continuous feeding, continuous mixing, continuous reaction and continuous discharging mainly through a static mixer and a continuous reactor; the production method is simple and easy to operate, a variety of biquaternary ammonium salts can be synthesized, and the equipment utilization rate is greatly increased through the continuous production modeso as to shorten the production period; and the use and the recovery treatment of organic solvents are avoided in the production process, no three wastes are generated in the whole process, and the method is environmentally friendly.

The invention provides an amino acid nutritional beverage formula for physical recovery after exercise and a preparation device. The amino acid nutritional beverage formula comprises a preparation disinfection tank and a steam generation tank; a disinfection box is fixedly mounted at the bottom of the preparation disinfection tank, a steam diffusion device is fixedly mounted at the top of the disinfection box, and the steam diffusion device comprises a steam box and a plurality of diffusion pipes. According to the amino acid nutritional beverage formula for physical recovery after exercise and the preparation device, the design is reasonable, the steam generation tank can continuously generate steam and convey the steam into the preparation disinfection tank, and part of beverage preparation water is added into various raw materials and water in a steam form, so on one hand, the mixing and stirring effects can be achieved, the raw materials can be continuously mixed without special stirring, and the preparation time is saved; on the other hand, steam can preheat the mixture, so the dissolution speed of the raw materials is increased.

The invention discloses a static mixer which comprises a shell and a mixing unit arranged in the shell, the mixing unit comprises a flow guide column, at least one single-spiral twisted part and at least two groups of double-spiral twisted pieces, the single-spiral twisted pieces and the double-spiral twisted pieces are sequentially arranged on the flow guide column in the flowing direction of fluid, and each double-spiral twisted part is composed of two spiral twisted pieces in the same direction. According to the static mixer provided by the invention, uniform mixing is completed by continuously changing the flowing mode of the fluid, so that the fluid is mixed more uniformly.

The invention discloses a continuous flue gas purification liquid mixing mechanism which comprises an outer pipe, a liquid inlet pipe and a dosing and mixing mechanism, wherein the liquid flows into acavity composed of a vertical ring and a cylinder through the liquid inlet pipe and flows into a liquid preparation pipe through a first shunt hole in the cylinder; one part of liquid is ejected viaa liquid ejection hole, and the other part of liquid is continuously ejected through a second liquid separation hole formed in a confluence block and a third liquid separation hole formed in a liquidpreparation ring; and when high-pressure water enters the cylinder, one part of high-pressure water pushes blades to rotate around a rotating shaft, so that the liquid ejected out of the liquid ejection hole is mixed with the high-pressure water, the other part of high-pressure water continuously flows through the liquid preparation ring, and therefore, the liquid ejected out of the third liquid separation hole is mixed with the high-pressure water. The device is simple in structure, and the liquid is dispersed and ejected out to be mixed with the high-pressure water. Meanwhile, due to the mixing mechanism, the liquid is uniformly and continuously mixed with the high-pressure water, and the flue gas purification effect is improved.