8results about How to "Extend the mixing time" patented technology

This invention discloses a production device for co-extruded mixed-color wood-plastic composite materials with wood grain imitation, in the field of wood-plastic recycling technology. The device includes a machine body, a twin-screw plasticizing component within the machine body, a second feed pipe containing a stirring component, a positive cone and an inverted cone whose lower ends can overlap to close the lower end of the second feed pipe, a metering mechanism for metering raw materials from the main hopper into the second feed pipe and adding a corresponding proportion of additives, and a secondary hopper located on the machine body and connected to both the second feed pipe and the twin-screw plasticizing component to buffer the mixture after stirring in the second feed pipe. The secondary hopper is funnel-shaped. The device allows for metered, multi-stage feeding and precise replenishment of raw materials, avoiding uneven mixing caused by direct replenishment in the main feed hopper. Pre-mixing improves the uniformity of additive dispersion, enhances wood grain color difference and mechanical property stability, reduces batch rework, increases production efficiency, and lowers the risk of thermal degradation of recycled materials.

The present application relates to a kind of polymerization device of high viscosity polymer, belong to polymerization reaction device technical field.The present application includes reaction main body, with reaction inner cavity, reaction inner cavity is equipped with even root for stirring high viscosity polymer's helical stirring shaft, helical stirring shaft includes main shaft and the helical blade connected in the outer side of main shaft, and the helical blade in each adjacent two helical stirring shafts is staggered with each other on the side of mutual approach;Main shaft is equipped with the heat-conducting medium passage that is penetrated from top to bottom, and the heat-conducting medium passage in each main shaft is connected by connecting short pipe to be connected to be the serpentine heat-conducting medium circulation total passage, one end of heat-conducting medium circulation total passage is heat-conducting medium inlet, and the other end is heat-conducting medium outlet, and heat-conducting medium inlet and heat-conducting medium outlet are located in the same end of the reaction main body;Reaction main body outer side is equipped with heating box, and heating box is used to heat heat-conducting medium, and heating box is located in the side close to heat-conducting medium inlet and heat-conducting medium outlet.

The utility model relates to hand -held mixer technology field discloses a kind of hand -held mixer with integrated heat dissipation structure, including machine body, the top end fixedly connected with servo motor in the inside of machine body, the bottom of servo motor movably connected with first stirring shaft, the top end fixedly connected with control seat of machine body, the below of first stirring shaft is provided with stirring head, the inside of machine body is provided with integrated heat dissipation structure, when using, by starting servo motor, servo motor drives the rotation of first stirring shaft, the outside of first stirring shaft is sleeved with first gear, first gear is engaged with second gear, first transmission wheel and second transmission wheel are engaged, to rotate second movable shaft, fan is installed on the right side of second movable shaft, fan is opposite servo motor, ventilation opening is set up in the left side of machine body, fan makes airflow in machine body, and heat is discharged through ventilation opening, to realize the heat dissipation of machine body, and then extend stirring time.

The invention provides a batching system for multi-component silicone oil and a use method of the batching system. The batching system comprises a raw material supply unit; the automatic weighing unit comprises a metering pump communicated with each raw material supply unit and a metering tank connected with an outlet of the metering pump; the mixing unit comprises a mixing tank located below the metering tank, a stirrer arranged in the mixing tank and a temperature control module used for controlling the temperature in the mixing tank; the material storage unit comprises a middle storage tank and a first pumping mechanism for pumping the materials in the mixing tank to the middle storage tank; the feeding unit comprises a second pumping mechanism used for pumping the materials in the middle storage tank to a downstream coating device; and the central control unit is used for coordinating and controlling the automatic operation of the whole system. The batching system for the multi-component silicone oil can accurately feed materials, and the viscosity of the silicone oil and the stability of the subsequent coating weight are effectively guaranteed; manual operation is not needed in the batching process, full-automatic operation is achieved, and harm to human bodies is reduced.

The application discloses a method for recovering nickel and copper from leaching residue of a copper nickel sulfide ore dressing concentrate, and belongs to the technical field of nickel copper sulfide ore metallurgy, and comprises the following steps: S1, heating and stirring; S2, adding water and stirring; S3, adding chemicals and stirring; S4, flotation; and S5, concentration and filtration. The method adopts segmented stirring, one segment adopts high-concentration heating and stirring, and the second segment adopts new water dilution and stirring, so that the stirring time is prolonged and the stirring is strengthened, the dissolution of water-soluble nickel and copper compounds is promoted, the nickel and copper enter water, and the nickel and copper in water return to the leaching process with the filtering backwater, so that the recovery is realized, the residue amount of the leaching residue is effectively reduced, and the nickel and copper content in the tailings is reduced. Because the leaching residue slurry is acidic, the commonly used xanthate and black medicine type flotation collectors are easy to decompose and lose effectiveness under the condition of an acidic medium, the acid-resistant collector and the foaming agent are used, the nickel and copper sulfides can be floated in the low-pH slurry system, and the nickel and copper content in the tailings is reduced. When the tailings are filtered, the colloid material is less, the filtering process is accelerated, and the turnover rate of the filter press is improved.

The utility model belongs to novel liquid fertilizer application field relates to a kind of liquid fertilizer fertilization device, it can realize polypeptide concentrated solution and water mixing evenly, will not sink bottom agglomerate, improve fertilization effect, it includes mixing box, the mixing box is separated into two mixing areas, buffer area, three mixing areas, fertilizer storage area by partition, the top opening of mixing jar is provided in the two mixing areas, first stirring device is provided in the mixing jar, the preliminary dilution water inlet pipe and polypeptide concentrated solution inlet pipe corresponding to the opening of the mixing jar are provided on the mixing box, second stirring device is provided in the three mixing areas, the depth dilution water inlet pipe corresponding to the three mixing areas is provided on the mixing box, the fertilizer storage area is provided with fertilizer discharge port.

This invention provides a pressurized mixing and dosing device for improving ozone utilization. The device includes: a mixing tank mounted on top of a support; a top cover mounted on the top of the mixing tank; a mixing assembly mounted on top of the top cover; a pressurizing device mounted on top of the top cover; and two first valves mounted on top of the top cover, one with a first inlet pipe and the other with a second inlet pipe. This pressurized mixing and dosing device for improving ozone utilization significantly reduces pressure drop and ozone release by stabilizing back pressure, thus minimizing ineffective loss. The gradient mixing of the two liquids through slowing, diffusion, and then mixing avoids localized over-concentration and decomposition of ozone, improving utilization. This increased utilization also significantly reduces ozone consumption and operating costs, offering better economic benefits compared to atmospheric pressure mixing methods.

The utility model discloses a semiconductor cleaning nozzle relates to the related field of cleaning nozzle, to solve the output end of gas and liquid in the same cavity direct mixing in prior art, gas-liquid contact time is short, atomization particle diameter distribution is uneven, influence atomization effect's problem. The clean nozzle inner core and clean nozzle body between along the lower end of gas-liquid mixing cavity form gas-liquid mixing fluid conical acceleration channel, the clean nozzle body inside along clean nozzle inner core lower end forms gas-liquid mixing fluid cylindrical acceleration channel, and gas-liquid mixing fluid cylindrical acceleration channel is communicated with gas-liquid mixing fluid conical acceleration channel, first double helix spare, first aperture plate, second double helix spare, second aperture plate, third double helix spare and third aperture plate are sequentially arranged from top to bottom in the gas-liquid mixing fluid cylindrical acceleration channel, a plurality of gas-liquid mixing fluid through holes are arranged on the first aperture plate, the second aperture plate and the third aperture plate.