170results about How to "Increase stirring speed" patented technology

The invention discloses a high-density and small-particle size nickel-cobalt-manganese hydroxide and a preparation method thereof. For the high-density and small-particle size nickel-cobalt-manganesehydroxide provided by the invention, a general chemical formula is NixCoyMnz(OH)2, wherein x+y+z=1, x is larger than or equal to 0.3 and smaller than or equal to 0.8, y is larger than or equal to 0.1and smaller than or equal to 0.4, and z is larger than or equal to 0.1 and smaller than or equal to 0.4; the particle sizes are d10 larger than or equal to 2 microns, d50 equal to 2.5-4 microns and d90 smaller than or equal to 6 microns, the tap density is larger than or equal to 1.4g/cm<3>, the specific surface area is 5-20m<2>/g, and the shape is spherical or spheroidal. The invention also discloses the preparation method of the high-density and small-particle size nickel-cobalt-manganese hydroxide. The preparation method is strong in controllability, can stably control the particle sizes ineach production batch without using a surfactant and is low in production cost, high in efficiency and good in physicochemical index of a final product.

The invention discloses a concrete quick mixing device for municipal construction, which comprises a lower base plate, on which a left column and a right column are vertically welded and fixedly installed; a limit spring is arranged between the sliding platform and the left column, and a Rotating motor, the output shaft of the rotating motor is coaxially fixed with a driving gear, the sliding platform is provided with a limit bearing seat, the driven shaft runs through the sliding platform upwards, and the output shaft of the stirring motor is coaxially fixed with a stirring shaft. A number of blades are uniformly arranged on the shaft; a cam is rotated on the upper top plate; The invention can stir the concrete at different depths in the mixing barrel, and the blades can stir the concrete at different lateral positions in the mixing barrel, so that the concrete can be stirred more fully and completely, and the mixing speed and effect are greatly improved.

The invention discloses a dissociating, independent slurry mixing and bulk floatation process for fine grain middings and belongs to the technical field of coal slime floatation. The process comprises the first step of slurry mixing operation, the second step of roughing, the third step of dehydration and fine floatation operation, the fourth step of separation and desliming operation, the fifth step of coarse slime separation operation, the sixth step of desliming operation and the seventh step of ore grinding operation. According to the independent slurry mixing bulk floatation process for dissociating the coal from the fine grains, the procedure is simple, investment is small, energy consumption is low, the operation cost is low, the separation efficiency is high, and economical benefits are remarkable.

The invention discloses a plastic extruder. The plastic extruder comprises a box body. The right side of the top of the box body is fixedly connected to a movable device, and the top of the box body is slidably connected to a motor case; the top of the inner wall of the motor case is fixedly connected to a first motor; the output shaft of the first motor is fixedly connected to a rotating shaft through a coupling; and the bottom end of the rotating shaft successively penetrates through the motor case and the box body to extend into the box body. The plastic extruder disclosed by the inventionrelates to the technical field of plastic processing. The plastic extruder can mix materials fully, so that the utilization ratio of the materials is increased and the manufacturing cost of the materials is lowered; the plastic extruder can drive a stirring device to move, so that the material stirring rate is increased, and the working time of staff is shortened; the plastic extruder can be cooled after use, so that the service life of the plastic extruder is prolonged, and the plastic extruder is conveniently moved; impurities and plastic particles which are not melted can be filtered and discharged, so that the quality of the materials is improved, and processing in the later period is facilitated.

The invention belongs to the technical field of fiber manufacturing, and more specifically relates to an antibacterial deodorizing nanometer fiber, and a preparation method thereof. The antibacterialdeodorizing nanometer fiber is prepared from, by weight, 22 to 26 parts of nanometer titanium dioxide, 30 to 35 parts of chitosan, 3 to 5 parts of rose flower, 55 to 60 parts of Glacial Acetic Acid, 2to 4 parts of single layer graphene, 2 to 3 parts of bamboo fiber micropowder, 1 to 2 parts of carboxymethylcellulose sodium, and 1 to 2 parts of garlic essential oil. The antibacterial deodorizing nanometer fiber possesses excellent bacteria killing and inhibiting and deodorizing effect; the antibacterial validity and broad spectrum activity of chitosan nanometer fiber are improved; the raw materials are relatively cheap; no high temperature treatment is needed in the preparation process; the preparation process is simple and convenient; cost is low; efficiency is high; no pollution is caused; and energy consumption is low.

The invention discloses a chemical agitating vessel capable of spreading materials uniformly, comprising a base, wherein an agitating tank is arranged at the top of the base; an agitating device and a motor cavity are arranged in the agitating tank; a support plate is arranged at the top of the agitating tank; a feeding device and an exhaust gas discharge pipe are arranged at the top of the support plate; the feeding device is arranged on the center line of the support plate, and consists of a feeding hopper, a feeding pipe, a second driving motor, a protection cavity, a connecting shaft, a discharging hopper and a material spreading paddle; and the agitating device consists of an agitating shaft, a scraping plate, a vertical rod, an ejector rod, a through hole, a top spring and an agitating paddle. The chemical agitating vessel disclosed by the invention is simple in structure, reasonable in design, and convenient in use; the setting of the feeding device can uniformly spread chemical raw materials into the agitating tank during feeding, thereby greatly increasing the agitating rate; and the setting of the agitating device not only can agitate the chemical raw materials but also can scrape away residues on the inner wall of the agitating tank, so that the chemical raw materials can be fully utilized.

The invention discloses a preparation method of a high-tap-density iron phosphate material. The preparation method comprises the following steps: S1, quickly reacting a high-concentration iron sourcesolution with a high-concentration phosphorus source solution to obtain an iron phosphate seed crystal; and S2, slowly adding a low-concentration iron source solution and a low-concentration phosphorus source solution at a constant speed to realize growth of iron phosphate crystals so as to obtain the high-tap-density iron phosphate material. According to the method, the seed crystal reaction andthe crystallization reaction of iron phosphate are effectively separated, and the sphere-like micron-sized iron phosphate particles are successfully prepared. According to the spheroidic large-particle iron phosphate, primary particles are closely agglomerated, secondary particles are uniform in size, and extremely high tap density (larger than 1.05 g/cm<3>) is shown.

The invention discloses a coking middling coal dms-flotation combined separation process, and belongs to the technical field of coking middling coal separation. The process comprises the steps of 1, primary size mixing flotation operation, 2, hierarchical dewatering operation, 3, crushing and screening operation, 4, coarse slime separation operation, 5, desliming operation, 6, ore grinding dissociation operation, 7, secondary size mixing operation and 8, secondary flotation operation. The coking middling coal dms-flotation combined separation process is simple in procedure, small in investment, low in energy consumption, little in operation cost, high in separation efficiency and remarkable in economic benefit.

The invention discloses a novel color mixing pen which comprises a shell. A containing cavity is formed in the shell and comprises a color storage cavity, a color mixing cavity and an output cavity. Four color storage pipes are mounted in the color storage cavity. Pigment different in color is mounted in the color storage pipes and extruded into the color mixing cavity through pistons. A color mixing assembly is mounted in the color mixing cavity and comprises a stirring rod arranged in the color mixing cavity and a stretching-out rod extending upwards from the stirring rod. An adjusting rod repeatedly slides downwards in a straight-strip-shaped rotary fit groove formed in the shell, an integrally-formed ring sleeve of the adjusting rod is driven to slide in a spiral sliding groove of the stretching-out rod, then the stretching-out rod and the stirring rod connected with the lower end of the stretching-out rod are rotated, and a reset spring connected to the stretching-out rod in a sleeving manner enables the stirring rod to rotate in a reciprocating manner; and the stirring rate is greatly increased, and more labor is saved.

The invention discloses multidirectional stirring equipment.A stirring shaft perpendicularly goes deeply into a stirring tank body from the top of the stirring tank body, and is driven to rotate by a driving device, the upper end, stretching out of one end of the stirring tank body, of the stirring shaft is connected with a rack in a rack box through a gear, two oil cylinders are connected with the two ends of the rack respectively, two sets of fixing and stirring components are distributed on the stirring shaft, each fixing and stirring component comprises two stirring rods symmetrically arranged on the stirring shaft, a plurality of stirring blades are installed on each stirring rod, one end of each stirring rod is fixed to the stirring shaft through a bevel gear set, and the other end of each stirring rod is installed on a bearing pedestal on the inner wall of the stirring tank body.The multidirectional stirring equipment is simple in structure, materials can be stirred in multiple directions through the rotating stirring rods with the combination of a stirring impeller, the contact time of different materials is further prolonged by means of the back and forth reciprocating stirring mode, the stirring speed is increased, the stirring effect is improved, and the production efficiency is improved; the stirring shaft rotates under driving of the oil cylinders and the rack box, so that the energy consumption is low, and the multidirectional stirring equipment is safe to use.

The invention discloses a mixing system for producing color masterbatch. The mixing system comprises a frame. A mixing box is fixedly connected to the middle of the inner wall of the top end of the frame. A hopper-shaped feeding pipe is arranged at the top end of the side wall of one side of the mixing box. A cylinder is fixedly connected to the inner wall of the top end of the mixing box. A support plate is fixedly connected to a piston rod of the cylinder. A sliding rail is fixedly connected to the bottom end of the support plate. A sliding block is slidably connected to the sliding rail. Afirst connecting plate is vertically and fixedly connected to one end of the support plate. A first groove is formed in the side wall of the side, close to the sliding block, of the first connecting plate. A first telescopic rod is arranged in the first groove. The first telescopic rod is fixedly connected with the side wall of the sliding block. A rotary motor is fixedly connected to the bottom end of the sliding block. The output end of the rotary motor is fixedly connected with a rotary shaft. By the adoption of the mixing system, the color masterbatch raw materials can be quickly mixed inan all-round manner, the raw materials left on the surfaces of mixing plates can be removed automatically after mixing is completed, and the mixing speed and quality are increased greatly.

The invention discloses a reaction chamber for alumina production, which comprises a reaction chamber outside the reaction chamber and a precipitation cylinder. The upper end of the reaction chamber outside the reaction chamber is provided with an equipment compartment, and a first drive motor is installed inside the equipment compartment. The front end of a drive motor is connected with a reducer, and the front end of the reducer is equipped with a connecting shaft, the outside of the connecting shaft is connected with a stirring blade, and the outer surface of the stirring blade is provided with a fan hole, and the inside of the fan hole is A rotating shaft is connected, and fan blades are installed on the outer surface of the rotating shaft, a bearing is arranged on the inner bottom surface of the precipitation cylinder, and a placement plate is installed on the lower end of the precipitation cylinder. The reaction chamber for alumina production is designed with sound-absorbing boards, reducers, stirring blades, bearings, refrigerators, gear plates, rollers, damping plates and pneumatic devices, which can absorb noise, increase the speed of precipitation, and reduce The cooling time can prevent the balance in the precipitation cylinder from being broken, causing the aluminum hydroxide crystals to dissolve into the solution again.

A method for increasing the fermentation production of hyaluronic acid by adding an oxygen carrier of dodecane belongs to the technology field of applying the oxygen carrier to the optimization of the fermentation process. The invention adopts the method of adding the oxygen carrier of dedecane (1-5%, v/v) in a certain concentration to a fermentation broth after 8 hours' fermentation, so as to increase the dissolved oxygen concentration, thereby increasing the production of the hyaluronic acid. When the concentration of the dedecane is 5%, the production of the hyaluronic acid increases from 5.0g/L to 6.0g/L by contrast (no oxygen carrier is added). The method is simple, effective and applicable to the industrial production of the hyaluronic acid and has certain significance in guiding the optimization of other high-viscosity fermentation processes.

The invention relates to a raw material mixing device for glass production. The raw material mixing device comprises a bottom plate, a left side plate, a left bearing seat, a belt, a small pulley, a motor, a large pulley, a first spring, a rotating shaft, a cam, a right side plate, a right bearing seat and a mixing box. The left side of the top of the bottom plate is provided with the left side plate and the right side of the left side plate is provided with the motor and the left bearing seat. The motor is located above the left bearing seat. In stirring, the cam rotates and drives the mixing box to shake up and down. Stirring and shaking are carried out simultaneously so that a material mixing rate is improved.

The invention relates to a device for preparing a solid acrylic resin and a method thereof, solving a problem of difficulty of high viscosity conveying, stirring and heat and mass transfer in a continuous bulk polymerization process. The method is based on a process formula, cooperated with a corresponding device, without adding a solvent, mixes acrylic and methacrylic monomers, vinyl monomers andfunctional monomer mixtures in the presence of organic peroxides and molecular weight regulators, through a plurality of plug flow reactors connected in series and independently controlling temperature, and performs copolymerization reaction. An obtained product has uniform color and a small molecular weight distribution.