1202results about How to "Improve mix quality" patented technology

The invention relates to the technical field of water-powder mixing or liquid mixing equipment in the construction operations of oil and gas fields and particularly relates to a fracturing base liquidmixer used in a construction process of an oil field fracturing site. The fracturing base liquid mixer comprises a rotational flow premixing device which comprises a liquid inlet, a feeding hole, a connecting component and an annulus, wherein the feeding hole is vertically formed, the liquid inlet is horizontally formed, the side wall of the feeding hole is connected with a sleeve, the connectingcomponent is arranged in the sleeve, the annulus is formed by the connecting component and the side wall of the feeding hole and is communicated with the liquid inlet, an oblique side is arranged atthe lower end part of the side wall of the feeding hole, an oblique plane is arranged at the upper part of the connecting component, and the oblique plane and the oblique side form certain angles witha vertical plane and are 0-80 degrees; and a reduced section, a throat pipe and a dispersion pipe are sequentially arranged at the lower part of the feeding hole. The fracturing base liquid mixer canmeet the requirements on the fracturing base liquid during large-scale operations in a fracturing operation site, the blending and mixing efficiencies are improved, the mixing quality of guanidine gum liquid is improved, and the optimal energy efficiency ratio is realized.

A sound wave mixing device based on a three-freedom-degree resonance system comprises a rack, a shock excitation unit, a counteraction unit and a load unit. The counteraction unit is located in the middle of the rack and is connected with an upper plate and a lower plate of the rack through second springs; the shock excitation unit is located in the counteraction unit and connected with an upper plate and a lower plate of the counteraction unit through first springs; the load unit is located between the rack and the counteraction unit and connected with the rack and the counteraction unit through third springs and fourth springs respectively. A mixing container can be fixed on the load unit or the counteraction unit, or two mixing containers are fixed on the load unit and the counteraction unit at the same time. Sound wave energy is generated with the resonance principle, vortexes are generated in mixed materials by the sound wave energy so that the materials can be mixed fast and efficiently, no paddle is arranged in the mixing container, the mixing process is safer, liquid-liquid, liquid-solid, gas-liquid and solid-solid systems can be mixed, and the sound wave mixing device is particularly suitable for mixing hazardous materials and is high in applicability.

The burner (1) of a gas turbine includes a swirl generator (2) and, downstream of it, a mixing tube (3). The swirl generator (2) is defined by at least two walls facing one another to define a conical swirl chamber (5) and is provided with nozzles (6) arranged to inject a fuel and apertures (7) arranged to feed an oxidiser into the swirl chamber (5). The burner (1) includes a lance (9) which extends along a longitudinal axis of the swirl generator (2) and is provided with side nozzles (11) for ejecting a fuel within the burner (1). The side nozzles (11) have their axes (12) inclined with respect to the axis of the lance (9) and can be positioned along the axis of the burner.

A device and a method for preparing a nanometer ceramic particle-reinforced aluminum-based composite relate to a device and a method for preparing a metal matrix composite and aim at solving the problems of long preparing technical path, excessive required equipment and high cost in the existing powder metallurgic method for preparing the nanometer ceramic particle-reinforced aluminum-based composite, as well as the problems of non-uniform distribution, layering and conglobation of nanometer ceramic particles in the existing stirring method. The device comprises a motor, a gearbox, a first gear shaft, a feeding hopper, a baffle, a heating base plate, a first heating device, a slurry collecting groove, a second heating device, a crucible, a cover plate, a hydraulic driving device, an argon protection device, two temperature measuring elements, two screw type stirring impellers and two ultrasonic devices, wherein stirring ends of the screw type stirring impellers extend into the crucible arranged below the gearbox, and probes of the ultrasonic devices penetrate through the cover plate and extend into the crucible. The device and the method, provided by the invention, are used for preparing the nanometer ceramic particle-reinforced aluminum-based composite.

A disclosed MBR hollow fiber membrane wastewater treatment device comprises a purification cylinder, the top of the purification cylinder communicates with a water inlet pipe, the bottom of the side face of the water inlet cylinder communicates with a water outlet pipe, the inner wall of the purification cylinder is fixedly connected with a supporting plate layer, and the supporting plate layer divides an inner cavity of the purification cylinder into two parts; and a valve funnel is installed on the supporting plate layer, the two parts of the inner cavity communicate with each other through the valve funnel, and an MBR membrane layer is fixedly installed on the inner wall of the purification cylinder. According to the MBR hollow fiber membrane wastewater treatment device, in the rotating process of stirring blades, small magnets on the stirring blades can rotate along with the stirring blades, and when the small magnets move to the position below a cleaning ball, due to the fact that magnetic layers on the surface of the cleaning ball and the small magnets have the same polarity, the cleaning ball overcomes gravity and swings upwards and impacts a primary filter screen under the action of repulsive force of the small magnets; and at the moment, the swing rod swings around a fixed column, so that the primary filter screen is vibrated and prevented from being blocked, and the cleaning ball periodically knocks the primary filter screen, so that the anti-blocking effect of the primary filter screen is better.

The present invention is related to a mixing machine which basically consists of a hopper, that has a main chamber within its housing, with a rotary member (rotor), where at said rotor ends there are cleaning elements for sweeping the floor and taking up the material, by feeding a secondary chamber, which is located in parallel adjacent to the main chamber, where said secondary chamber has a bottom worm conveying the material from one end of the mixing machine to the other end thereof, until collapsing with a loop found on its front portion and generating a material bubble; an upper worm to remove the material bubble and carrying it up to the middle part of the machine. At the middle part of the machine, the material is forced by a loop system having an upper worm to move towards the rotor area, such that the material is actually moving towards the back portion of the machine, completing a mixing cycle. Said upper worm has from the middle of its axis, a plurality of discs on which peripheral edge of each disc is mounted a series of exchangeable knives placed on a loop arrangement, which are passed through a counterplate, and which shows a series of exchangeable knives placed at the bottom part of the material collector chut, so when the upper worm discs plurality is rotating, it allows both, humid and dry fibers be efficiently crushed and/or ground and besides added to the other several common ingredients a unique and highly qualified mixing is achieved.

The invention relates to a stirrer. The stirrer comprises a supporting rack and a motor, the upper portion, the middle portion and the lower portion of the supporting rack are respectively correspondingly provided with a first-stage stirring device, a second-stage stirring device and a third-stage stirring device, the first-stage stirring device is used for coarse stirring of a concrete raw material, the second-stage stirring device is used for semi-fine stirring of the concrete raw material, and the third-stage stirring device is used for fine stirring of the concrete raw material; and the motor is positioned above the supporting rack. The stirrer adopts a multi-stage stirring mode comprising the coarse stirring, the semi-fine stirring and the fine stirring which do not interfere with each other, realizes the full stirring of the concrete raw material, allows the raw material to be added in the stirring process to realize continuous stirring of the concrete raw material, and provides guarantee for the continuous supply of concrete; and the stirrer uses the three-stage stirring devices to make the concrete raw material have convective flow, ensures the uniform mixing of the concrete raw material, and improves the stirring quality of the concrete.

The invention provides efficient stirring and mixing equipment of solid-liquid raw materials for chemical engineering. The efficient stirring and mixing equipment comprises a tank body; a stirring cavity is formed in the tank body, an upper cover is installed on an opening formed in the top of the tank body, and four sets of rollers are installed on the lower surface of the tank body; the rollers are installed in a sliding groove formed in a base plate, a support is installed at the end of the base plate, and the vertical portion of the support is fixedly connected with a second motor through a fixing plate; a liquid feeding device is installed on the upper surface of the horizontal portion of the support, the liquid feeding device is composed of a transmission box, a first motor, a liquid feeding pipe, a connecting pillar and a spraying disc, and a first stirring device and a second stirring device are installed in the stirring cavity. According to the efficient stirring and mixing equipment of the solid-liquid raw materials for chemical engineering, through the liquid feeding device, the spraying area and speed of liquid materials are enlarged, so that the liquid materials make sufficient contact with solid materials; through the first stirring device, circulating stirring and mixing of the materials are achieved, so that the spraying speed of the liquid materials is improved; and through arrangement of the second stirring device, the materials are further stirred and mixed.

The invention relates to high-viscosity adhesive cement stirring device in the chemicals, foods, medicines and construction industries, which is particularly suitable for stirring and mixing cement-base polymer adhesive cement; the device comprises a machine frame, a cylinder body, a cylinder locating idler wheel, a cylinder overturning bracket, a cylinder overturning discharging motor, a cylinder rotating retarding motor, a stirring retarding motor and a stirrer; the cylinder body is arranged on the cylinder overturning bracket by a cylinder supporting bearing base, and a geared ring is arranged on the cylinder body; the two sides of the cylinder overturning bracket are provided with cylinder overturning shafts which are arranged at the upper part of the machine frame, retarding gears are arranged at the end parts of the cylinder overturning shafts, and the cylinder overturning motor is arranged on the machine frame; the cylinder rotating retarding motor is arranged on the cylinder overturning bracket, a cylinder transmission gear is arranged on the output shaft of the cylinder rotating retarding motor, the cylinder transmission gear is meshed with the geared ring outside the cylinder body, and the cylinder body is driven to rotate; the stirring retarding motor is arranged at one side of the upper part of the cylinder overturning bracket eccentrically, and the stirrer is arranged on the output shaft of the stirring retarding motor.

The invention relates to the field of power lithium ion batteries, in particular to a preparation method of a lithium ion power battery cathode. The preparation method comprises the following steps: first preparing sodium carboxymethylcellulose glue solution in a number 1 stirring machine, adding conducting carbon black and dry graphite powder in a number 2 stirring machine, uniformly mixing, and then adding the sodium carboxymethylcellulose glue solution in the number 1 stirring machine into the number 2 stirring machine; and adding little alcohol, vacuumizing, defoaming, adding styrene-butadiene latex, mixing, finally vacuum defoaming, and obtaining the lithium ion power battery cathode material. By improving a stirring scheme, the stirring time of the cathode slurry is shortened, the moisturizing coating performance of the cathode slurry is improved, and a bubble-free purpose is achieved.

The invention discloses a solid-liquid mixing and stirring device. The solid-liquid mixing and stirring device comprises a shell body, wherein a rotary seat is arranged in the middle of the lower end in the shell body; the lower end of a stirring shaft is rotatably connected with the rotary seat; a limiting ring is rotatably connected with the middle of the stirring shaft; fixed rods are arranged at the outer side of the limiting ring; the other ends of the fixed rods are connected with an inner wall of the shell body; a plurality of stirring blades are uniformly connected with the stirring shaft; the outer ends of the stirring blades are connected with mounting bases; supports are arranged at the front sides of the mounting bases; the supports are rotatably connected with sleeve shafts; a plurality of small blades are arranged at the outer sides of the sleeve shafts; a feeding pipe is arranged at the upper end of the left side of the shell body; the feeding pipe comprises an outer pipe and an inner pipe; a cavity is formed between the outer pipe and the inner pipe; a plurality of cyclone inclined holes are uniformly formed in the inner pipe along the circumferential direction; the upper side of the outer pipe is connected with a water inlet pipe; a water pump is arranged on the water inlet pipe; the left end of the inner pipe is connected with a charging pipe and the charging pipe is provided with a charging pump. The solid-liquid mixing and stirring device is simple in structure, convenient to use, good in stirring effect, high in stirring efficiency and long in service life.

The present invention discloses one kind of paddle type mixing machine in the field of mixing machinery. There are machine body; stirring barrel set on the machine body; rotor comprising rotating shaft inside the stirring barrel, brace bar on the shaft and paddles fixed in the fast flow area; and characterized transition area stirring part set on the shaft and in the slow flow area. The transition area stirring part may be installed directly on the rotating shaft, on the middle section of the brace bar, or on the support column on the rotating shaft. The present invention has novel structure, simple manufacture process and low cost, and is suitable for both single shaft paddle mixing machine and double shaft paddle mixing machine.

The invention pertains to fluegas recirculation in gas turbines, and specifically to an intake section upstream of the inlet of a compressor of a gas turbine unit with fluegas recirculation. The intake section includes at least one section with a flow path defined by sidewalls in which the fresh airflow of the intake air is flowing along a principal airflow direction, including at least one mixing duct extending into the flow path from at least one sidewall. The mixing duct includes an intake at the at least one sidewall for receiving recirculated fluegas, as well as including at least one outlet opening distanced from said sidewall for blowing recirculated fluegas out of the mixing duct into the airflow.

The invention relates to a magnesia carbon brick and a preparation method thereof. The magnesia carbon brick is prepared from, by weight, 60%-75% of fused magnesite particles, 10%-30% of fused magnesite fine powder, 5%-10% of carbon, 1%-5% of an antioxidant, 1%-3% of a binding agent and 0.4%-1% of furfural waste liquid. In the preparation process, the fused magnesite particles are placed in a mixing mill to be dry-mixed for 2-15 min, then phenolic resin and the furfural waste liquid are added to continue to be mixed for 5-15 min, then carbon is added to the mixture, mixing is carried out for 5-15 min, finally the fused magnesite fine powder and the antioxidant are added to continue to be mixed for 8-15 min, pug is formed, the rotating speed of the mixing mill is set to range from 950 r/min to 1,000 r/min, mixing time ranges from 10 min to 60 min, and the magnesia carbon brick is prepared after compression moulding and drying solidification. The preparation method is simple, the steps are easy to operate, the uniformity of mixed materials of the magnesia carbon brick is improved, the quality of the mixed materials of the magnesia carbon brick is improved, the labor intensity of workers is lowered, the use amount of phenolic resin is reduced, and due to the addition of the furfural waste liquid, the material mixing process is more even, and phenolic resin is prevented from being caked.

An embodiment of a mixing assembly for mixing at least two fluids, comprises a housing and an injector body disposed concentrically therein, a vorticing element disposed about the injector body, and a compression element disposed about an outlet of the injector body. The housing is disposed for passage of a first fluid therethrough. The injector body being disposed within the housing and further disposed for the introduction of a second fluid within the flow path of the first fluid.

The invention discloses a hydrocarbon fuel reforming combustion method for a micro combustor, which comprises the following steps: firstly, introducing gaseous hydrocarbon fuel and wet air into a reforming area filled with a gamma-Al2O3 catalyst to produce coupling self-heating reforming reaction so as to generate partial hydrogen; and then introducing the gas after the reaction into a combustion cavity for combusting, wherein the volume ratio of the gaseous hydrocarbon fuel to the wet air is 1: 1.2-1: 1.6. Meanwhile, the invention also discloses a device for implementing the method. The front end of the combustion cavity is provided with the reforming area, the gaseous hydrocarbon fuel and the wet air are introduced into the reforming area, and the gaseous hydrocarbon fuel and the wet air undergo the coupling self-heating reforming reaction (comprising the oxidation reaction of the hydrocarbon fuel and the oxygen and the reforming reaction of the hydrocarbon fuel and the water vapor) under the action of the gamma-Al2O3 catalyst to generate partial hydrogen so as to aid the efficient and stable combustion of the gaseous hydrocarbon fuel and the air in a combustion area.

The invention relates to the technical field of stirring equipment, and discloses an emulsion mixing stirrer for preparing a nano new material. The emulsion mixing stirrer comprises a stirring box; supporting legs are fixedly connected to four corners of the bottom of the stirring box; a matched scraping frame is slidably connected in the stirring box; a fixing plate is fixedly connected in the scraping frame; the top of the stirring box is fixedly connected with a driving motor through a support; the output end of the driving motor is fixedly connected with a reciprocating screw rod through acoupler; the other end of the reciprocating screw rod sequentially penetrates through the top of the stirring box and the fixing plate extends downwards; the reciprocating screw rod is rotationally connected with the top of the stirring box; the reciprocating screw rod is in threaded connection with the fixing plate; two rotating rods which are symmetrical relative to the position of the reciprocating screw rod are arranged in the stirring box; and the top end of each rotating rod penetrates through the top of the stirring box and extends upwards. According to the invention, mixing and stirring by the emulsion mixing stirrer for preparing the nano new material are more uniform, and the emulsion attached to the inner wall of the stirring box is convenient to clean.

The invention discloses concrete production equipment which comprises a concrete mixing station and a control system used for controlling the concrete mixing station. The concrete mixing station comprises a material preparation station used for supplying aggregate, a first conveyor used for transmitting aggregate, a powder tank used for storing powder and mixing equipment used for mixing, one endof the first conveyor is arranged below the material preparation station, the other end of the first conveyor is arranged on the mixing equipment, and the powder tank is connected with the mixing equipment. The control system comprises a master control module and a switch module connected with the master control module and used for controlling the concrete mixing station to be opened or closed, and the switch module is connected with the material preparation station, the first conveyor, the powder tank and the mixing equipment. The concrete production equipment has the advantages of being lowin energy consumption, high in yield, accurate in matching and convenient to control.