382 results about "Rapid mixing" patented technology

The invention relates to a wind tunnel PIV tracer particle rapid and uniform cooling and mixing device, and the device comprises a mixing channel section which is internally provided with a mixing channel, and the mixing channel is cylindrical; the first airflow inlets are formed in the end face of the inlet end of the mixing channel section and are annularly distributed along the end face of the inlet end of the mixing channel section; the center of the ring where the first airflow inlet is located coincides with the axis of the end face of the inlet end of the mixing channel; the second airflow inlet is formed in the end face of the inlet end of the mixing channel section and is formed in the axis of the end face of the inlet end of the mixing channel; the third airflow inlet is formed in the inlet end of the mixing channel section, and the third airflow inlet is formed in the tangential direction of the radial section of the mixing channel; the airflow outlet is formed in the outlet end of the mixing channel section; the first, second and third airflow inlets are in communication with the mixing channel. The device has the advantages of being simple in structure and low in cost, rapid mixing heat transfer of wind tunnel PIV tracer water particles can be achieved, and large-proportion collision in the mixing process is avoided.

The invention solves the problem that the mixing uniformity is insufficient when a traditional single stirring assembly rotates unidirectionally to mix conductive coatings, and relates to the technical field of conductive coating mixing, in particular to rapid mixing equipment for electromagnetic shielding conductive coatings, which comprises a mixing tank and a stirrer, and a limiting hanging bracket is mounted on the inner wall of the mixing tank; the end, close to the vertical central axis of the mixing tank, of the limiting hanging bracket is rotationally connected with an outer stirring assembly; the outer stirring assembly comprises a connecting shaft arranged between the outer side of a stirring impeller of the stirrer and the inner wall of the mixing tank, a plurality of stirring blades are mounted on the outer surface of the connecting shaft, an extension plate is formed at the top of the connecting shaft, a rotating shaft of the stirrer is sleeved with a transmission structure, and the transmission structure is used for transmitting rotating power of the stirrer to the connecting shaft; the stirring blades are driven to circumferentially rotate in the direction opposite to the rotating shaft by taking the rotating shaft as the circle center. The material exchange of the conductive coating can be enhanced, and the dead zone of traditional one-way stirring is eliminated.

The utility model discloses a diphenylmethane series amine reaction device, and belongs to the technical field of integrated condensation reactors, the diphenylmethane series amine reaction device comprises a salifying-condensation reactor, a plug flow reactor is arranged on one side of the salifying-condensation reactor, the salifying-condensation reactor comprises a reaction kettle, a double-layer hollow stirring shaft is arranged in the reaction kettle, and the double-layer hollow stirring shaft is connected with the plug flow reactor. A static mixer is arranged on one side of the reaction kettle; the multi-nozzle static mixer with the built-in condensation assembly can strengthen the mixing effect, the static mixer is directly connected with the reaction kettle, salt forming reaction liquid can be effectively prevented from staying in a pipeline and reducing the color of a system, and the hollow stirring shaft is beneficial to rapid mixing and timely removal of reaction heat; according to the device, aniline and hydrochloric acid as well as aniline hydrochloride and formaldehyde are rapidly and uniformly mixed, reaction heat is removed, local overheating and hot spots are avoided, generation of by-products can be reduced, colors of products and downstream products are effectively improved, the quality of the downstream products is improved, and the device is suitable for large-scale industrial production and high in synthesis efficiency.

The utility model relates to the technical field of constructional engineering, in particular to a cement mixing pile rapid mixing guniting device which comprises a connecting plate and a blocking device, a power box is fixedly connected to the upper surface of the connecting plate, a main body is arranged on the upper surface of the connecting plate, and a material hopper is arranged at the upper end of the main body. A discharging pipe is arranged on the lower side of the main body, the blocking device is arranged on the surface of the discharging pipe, the blocking device comprises a baffle and a rotating column, the rotating column is fixedly connected with one end of the discharging pipe, and the baffle is arranged at one end of the discharging pipe. By arranging the blocking device, the discharging pipe is effectively limited, the effect of limiting the discharging pipe is achieved, and the situation that when the device is used, due to the fact that the device is placed for a long time, insects or sundries enter the device body through the discharging pipe easily, a circuit in the device body is damaged to a certain extent, and the device body is damaged is reduced. And the practicability of the equipment is improved when the equipment cannot be used normally.

The invention belongs to the field of mixers, and particularly relates to a static mixer, a preparation method, a water-based fire extinguishing agent continuous production device and a production process. The static mixer comprises a plurality of continuous mixing elements; each mixing element comprises three triangular blades, namely a first triangular blade, a second triangular blade and a third triangular blade, and the second triangular blade and the third triangular blade are respectively connected with two angle edges of the first triangular blade; and the second triangular blade and the third triangular blade are arranged in opposite directions. According to the static mixer designed by the technical scheme of the invention, rapid mixing among fluids is realized, continuous operation in whole-flow pipeline reaction is realized, the problems of long stirring time and non-uniform mixing in current intermittent operation are solved, the working intensity of operators can be reduced, and the production efficiency is improved.

The present invention relates to a multistage series microreactor and a fluid mixing method. The microreactor includes a base internally etched with a fluid passage, the base being provided with a fluid inlet and a fluid outlet which are communicated with the fluid passage, where the fluid passage includes a plurality of micro mixing tanks, a jet port is formed at an inlet of the micro mixing tank, adjacent micro mixing tanks are connected by jet port at a contraction section, and a splayed flow baffle plate and a flow splitting column which are arranged corresponding to the jet port are provided in the micro mixing tank, the flow splitting column being arranged below the splayed flow baffle plate. By means of a jet manner, a fluid to be mixed in the invention can be continuously split, compounded, stretched and crushed, thereby realizing rapid mixing and efficient, continuous reaction.

The efficient alloy powder mixing device comprises a stirring box, a feeding box and a stirring assembly, the periphery of the bottom of the stirring box is supported and fixed through supporting columns, a discharging opening is formed in the middle of the bottom of the stirring box, and the feeding box is arranged on the upper portion of the outer side wall of the stirring box in a communicating mode; the stirring assembly comprises a stirring motor, a mounting seat, a stirring shaft and a stirring rod, the stirring motor is longitudinally fixed in the middle of the top of the stirring box and is fixed through the mounting seat, and the driving end of the stirring motor is arranged downwards and is connected with the stirring shaft located in the stirring box; the stirring rod comprises a movable first stirring rod and a fixed second stirring rod, the first stirring rod is fixed in the middle of the stirring shaft, and the second stirring rod is transversely fixed at the bottom of the stirring shaft. The alloy powder mixing device is simple, reasonable and reliable in structure, alloy powder can be effectively and rapidly mixed for multiple times, the mixing degree is improved, and the yield is increased.

The utility model relates to the technical field of lubricating oil production, and discloses a rapid blending tank for lubricating oil production, the rapid blending tank comprises a blending tank and a hot water tank located on the left side of the blending tank, and a heating assembly for heating lubricating oil is installed between the hot water tank and the outer side of the blending tank; a blending assembly for quickly mixing lubricating oil is mounted on the inner side of the mixing tank; the blending assembly comprises a supporting box fixed to the top of the mixing tank, a driving mechanism fixedly installed on the top of the supporting box, two rotating rods rotationally connected to the inner top wall of the mixing tank through bearings, arc-shaped blades fixed to the outer sides of the rotating rods and evenly distributed, and stirring plates fixed to the outer sides of the rotating rods and evenly distributed. And the synchronizing wheel is fixed on the outer side of the rotating rod. According to the rapid blending tank for lubricating oil production, lubricating oil can be more rapidly and fully mixed, rapid production of the lubricating oil is facilitated, and the practicability of the lubricating oil production blending tank is effectively improved.

The invention discloses a liquid crystal high polymer material rapid mixing and feeding method, and relates to the technical field of rapid mixing and feeding, and the method comprises the following steps: analyzing speed gradient distribution in a micron channel by adopting a self-adaptive flow field regulation and control algorithm, if local flow velocity is detected to be abnormal, adjusting channel wall surface microstructure parameters, and if local flow velocity is detected to be abnormal, adjusting channel wall surface microstructure parameters; obtaining optimized flow field distribution data for subsequent mixing process control; according to the target conveying distance and the material performance requirement, the optimal flow speed adjusting parameter is determined, differential pressure distribution is set at different sections of a channel through a gradient pressure control algorithm, and a stable material conveying track is obtained; a pressure control feedback system is adopted to monitor the pressure fluctuation condition in the conveying process, if the pressure deviation exceeds the allowable range, the pumping frequency and the channel impedance are adjusted in real time, the conveying stability is maintained through a dynamic compensation mechanism, and final material conveying state parameters are determined; the mixing efficiency and the conveying stability of the liquid crystal high polymer material in the micron channel are remarkably improved.

The utility model discloses a mixing device with an anti-toppling function for disinfectant production. The mixing device comprises a tank body and a feeding pipe, and the feeding pipe fixedly penetrates through the upper end of the left side wall of the tank body; the discharging pipe is fixedly arranged in a manner of penetrating through the center of the bottom surface of the tank body, and a valve is arranged on the discharging pipe; the shell is fixedly mounted on the top surface of the tank body; the supporting mechanism is arranged at the lower end of the circumferential outer surface of the tank body; the adjusting mechanism is arranged on the supporting mechanism; and the moving mechanism is connected with the adjusting mechanism. The mixing device with the anti-toppling function for disinfectant production can guarantee stable supporting performance, toppling prevention and safe, effective and stable disinfectant production in the disinfectant production and mixing process, meanwhile, the mixing effect is improved through various stirring modes, rapid and uniform mixing is guaranteed, the disinfectant production efficiency is improved, operation is easy, convenient and flexible, and the practicability is high. The practicability is high.

The utility model discloses a rapid reagent mixing device for chemical experiments, which relates to the technical field of chemical reagent mixing and comprises a mixing tank, connecting holes are arranged on two sides of the top of the mixing tank, a top cover is mounted on the top of the mixing tank, a stirring component is arranged in the middle of the top of the top cover, and a mounting groove is arranged on the top cover. The mounting groove is matched with the top of the mixing tank, connecting assemblies arranged on the two sides of the top cover comprise connecting grooves, connecting rods are fixedly arranged on one sides of moving plates slidably mounted in the connecting grooves, the connecting rods correspond to the connecting holes, and the two ends of the other sides of the moving plates are connected with the inner walls of the connecting grooves through springs; according to the utility model, the top cover is detachably connected with the mixing tank by utilizing the matching of the connecting rod in the connecting assembly and the connecting hole, so that the top cover and the mixing tank can be detachably connected after the mixing of reagents is completed, and the operation is simple and convenient. The stirring assembly can be conveniently taken out to clean the reagent attached to the stirring assembly.

The invention relates to the technical field of gas insulation of power equipment, in particular to a method, a system and equipment for quickly proportioning and mixing SF6 / N2 mixed gas in GIS (Gas Insulated Switchgear) equipment and a storage medium. GIS equipment geometric parameters are obtained, a pipeline model is constructed, and the effective volume of the equipment is derived based on a correction state equation introducing a compression factor Z; establishing a kinetic model of an SF6 / N2 diffusion rule, and simulating gas flowing, diffusion and mixing processes through a Standard k-epsilon turbulence model and a component transport model; performing real-time concentration detection on the mixed gas by using an infrared spectroscopy, and establishing a relation model of light intensity attenuation and gas concentration based on a Lambert-Beer law; and performing dynamic gas distribution control according to a detection result, and adjusting the flow of each gas branch through a mass flow controller to realize a target mixing ratio. Through multi-level technology integration, the technical problems of inaccurate volume calculation, non-uniform gas distribution and obvious detection hysteresis in a traditional mixing method are solved, and + / -0.5% mixing precision control and rapid mixing within 5 minutes are realized.

The utility model relates to the technical field of mixed reaction equipment, in particular to a horizontal spiral sludge mixed reaction device which comprises a mixed reaction device body, a feeding pipe arranged at the top of the mixed reaction device body, a U-shaped mixing tank arranged on the lower side of the feeding pipe, an electromagnetic valve mounted at the bottom of the U-shaped mixing tank, and a driving shaft arranged on the upper side of the electromagnetic valve, a clamping block is mounted on the driving shaft, a protective frame is arranged on one side of the clamping block, and a main stirring blade is mounted in the protective frame; the equipment has the beneficial effects that rapid mixing of sludge is achieved through spiral mixing and stirring, the defects that traditional longitudinal stirring is uneven, and a stirring shaft is prone to breakage are overcome, the service life of the equipment is prolonged, efficiency is improved, meanwhile, the inner wall of the equipment is conveniently cleaned through cooperation of a threaded rod, a sliding block and a scraper, and the practicability is high. And the trouble of manual operation is avoided.

The utility model relates to a dilution device for configuration of benzene series standard substances, which comprises a dilution tank mounted in a frame, a discharge pipe arranged at the bottom of the dilution tank, a detachable tank cover arranged at the top of the dilution tank, feed pipes communicated with the inside of the dilution tank and arranged on two sides of the tank cover respectively, and the top ends of the feed pipes penetrate through the top of the frame. Two positioning seats are fixed to the top of the frame and located on the outer sides of the corresponding feeding pipes respectively, funnels are arranged in the positioning seats, and the bottoms of the funnels are inserted into the corresponding feeding pipes. A certain amount of proportioned benzene series raw materials are poured into the diluting tank through one funnel, a certain amount of proportioned diluent is poured into the diluting tank through the other funnel, the benzene series raw materials and the diluent are guided to the rotating frame through the flow guide pipes to be mixed, and the benzene series raw materials and the diluent are mixed along with rotation of the rotating frame. According to the device, benzene series raw materials and diluent can be fully and rapidly mixed, and the mixed benzene series raw material diluent falls to the bottom in the dilution tank.

The invention discloses a rapid blending and stirring device based on conductive coating production and a use method. The rapid blending and stirring device comprises a tank body, and a cover plate is arranged on the tank body; a stirring shaft is rotatably arranged on the cover plate, the stirring shaft extends into an inner cavity of the tank body, a suspension stirring ring is arranged in the tank body, the suspension stirring ring floats on the liquid level of the tank body, a driving assembly is arranged in the suspension stirring ring, and the driving assembly is matched with the stirring shaft; the conductive coating stirring device has the beneficial effects that through cooperation between the suspension stirring ring and the driving assembly, direct stirring on the liquid surface is achieved, an additional stirrer does not need to go deep into the liquid surface, uniform stirring on the liquid surface is achieved, uniform and rapid mixing of materials is facilitated, and the quality of conductive coatings is improved.

The utility model discloses a petroleum exploitation site fracturing fluid rapid mixing device which comprises a mixing cylinder, a support is arranged at the lower end of the mixing cylinder, a discharging pipe is arranged at the lower end of the mixing cylinder, one side of the mixing cylinder is connected with a cleaning mechanism in a penetrating mode, the upper end of the mixing cylinder is connected with a cylinder cover in a bolted mode, and the lower end of the mixing cylinder is connected with a hydraulic cylinder. A thickening agent inlet penetrates through one side of the upper end of the barrel cover. The equipment can be quickly and effectively cleaned through the arranged cleaning mechanism, so that the maintenance time of the equipment is shortened, the working efficiency is improved, the inner wall of the mixing cylinder can be thoroughly cleaned after each mixing operation, and residues are prevented from influencing the quality and efficiency of next mixing; a good proportioning and mixing environment is provided for mixing the fracturing fluid; the stirring mechanism is arranged, so that the equipment can quickly and effectively stir, the mixing efficiency and the mixing quality are improved, and as the stirring rods I are symmetrically mounted on the outer walls of the two ends of the rotating rod respectively, materials in the mixing cylinder can be uniformly mixed.

The utility model relates to the technical field of rotational molding box raw material mixing, and discloses a rotational molding box raw material mixing device which comprises a mixing bin and an upper cover, the bottom wall of the mixing bin is a conical surface, the upper cover is arranged at an opening in the upper portion of the mixing bin, and a rapid mixing assembly is arranged on the upper cover. The rapid mixing assembly is used for evenly mixing raw materials used before production of the rotational molding box, by reversely starting the motor, an output shaft of the motor can drive the spiral blade to reversely rotate through a series of mechanisms, and when the spiral blade rotates, acting force close to a discharging valve is applied to plastic powder in the mixing bin; the plastic powder can be effectively discharged from the mixing bin, and the problem that in a traditional mode, after being mixed, the plastic powder is fine in particles, has certain viscosity, can be attached into the mixing bin and is not prone to being completely leaked out, so that discharging of the mixed plastic powder is not smooth, and follow-up machining of a rotational molding box is affected is solved.

This invention discloses an automatic gas mixing device for fluorine-nitrogen mixture and its usage method, relating to the technical field of gas mixing devices. It includes a base plate and a housing fixedly mounted on top of the base plate. A control panel is installed on the lower part of one side of the front of the housing. The device also includes an inlet pipe symmetrically installed on both sides of the housing. An outlet pipe is connected to the middle of the top of the housing. Symmetrical partitions are fixed inside the housing. An inlet mechanism is provided inside the outer cavity, and a stirring mechanism is provided inside the inner cavity. The inlet mechanism includes a mounting box, inside which a motor is fixedly installed. The output end of the motor is fixedly connected to a main shaft, and a main pulley is connected to the upper outer side of the main shaft. This invention solves the problem that the device is not convenient for quickly mixing fluorine-nitrogen mixture with nitrogen, requiring a certain amount of time to mix, which reduces the gas mixing effect and efficiency of the fluorine-nitrogen mixture and the overall effectiveness of the device.

The invention discloses preparation equipment and a preparation method of porous silver powder with high sintering activity. The preparation equipment comprises a group of raw material preparation devices and a continuous mixing reaction device, the continuous mixing reaction device comprises a primary mixing cavity, the upper end of which is connected in parallel with a pump through a feeding guide pipe and is connected to the discharging end of one group of raw material preparation device; the retractable pipe fitting is connected to the lower end part of the feeding guide pipe, a liquid distribution container is hermetically and rotatably mounted on the bottom side of the retractable pipe fitting, and a plurality of corresponding liquid outlet pipes are uniformly distributed on the liquid distribution container; the upper end part of the secondary material mixing cavity is communicated and connected to the lower end part of the primary material mixing cavity through a plurality of uniformly distributed material guide pipes, and the discharge ends of the material guide pipes are respectively and movably screwed with corresponding material distribution pipes downwards through spiral grooves. According to the method, continuous preparation and processing of the silver powder can be achieved, so that oxidation liquid and reduction liquid are rapidly mixed, full reaction is achieved, and the porous silver powder with high sintering activity is obtained.

The utility model belongs to the technical field of micro-reactors, and particularly relates to a multi-stage series micro-reactor which comprises a substrate with a fluid channel etched inside, the substrate is provided with a fluid inlet and a fluid outlet which are communicated with the fluid channel, the fluid channel comprises a plurality of micro-mixing grooves, and the micro-mixing grooves are communicated with the fluid inlet and the fluid outlet. The adjacent micro mixing grooves are connected through a contraction section, a jet flow opening is formed in an inlet of each micro mixing groove, a splayed flow baffle and a flow dividing column which are arranged corresponding to the jet flow openings are arranged in each micro mixing groove, and each flow dividing column is arranged at the downstream of the corresponding splayed flow baffle. According to the device, fluid to be mixed is continuously split, compounded, stretched and crushed in a jet manner, the contact area is increased, the uniform distribution performance of the fluid is improved, and the mixing process of the fluid can be enhanced, so that rapid mixing and efficient and continuous reaction are realized.

The invention relates to the technical field of quartz sand production, in particular to an iron-containing impurity removing device and method for semiconductor quartz sand processing, the impurity removing device comprises a rack and a pickling cylinder arranged on the rack, the whole rack is annular, a hinge piece is arranged at the bottom of the pickling cylinder, the pickling cylinder is hinged to the rack through the hinge piece, and the pickling cylinder is arranged on the rack. The rack is provided with connecting pieces connected with the pickling cylinder, the multiple connecting pieces are distributed in an annular array mode relative to the axis of the rack, and the rack is further provided with a telescopic control mechanism used for controlling the connecting pieces to stretch out and draw back. In the working state, the telescopic control mechanism controls the multiple connecting pieces to be sequentially shrunk and reset in the clockwise or anticlockwise direction, and the pickling cylinder shakes under the pulling force effect of the connecting pieces. According to the device, the function of controlling the pickling cylinder to shake is achieved, the effect of rapidly mixing quartz sand in the pickling cylinder with pickling liquid is achieved, the impurity removal efficiency of iron-containing impurities is remarkably improved, and the problem that a stirring rod in traditional pickling equipment is prone to being corroded by the pickling liquid is solved.

The utility model relates to a multifunctional mixing device for cement processing, which comprises a mixing barrel, a feeding hole formed in the upper side of the left part of the mixing barrel, a mounting seat connected to the upper side of the middle part of the mixing barrel, a driving motor mounted on the mounting seat, a centrifugal stirring frame connected to an output shaft of the driving motor, and a stirring component rotationally connected to the mixing barrel, the upper part of the mixing barrel is rotatably connected with a rotating shaft, a belt pulley assembly is arranged between the upper part of the rotating shaft and an output shaft of the driving motor, the rotating shaft is connected with a first gear, the upper part of the stirring assembly is connected with a second gear, and the second gear is meshed with the first gear. Through mutual cooperation of the centrifugal stirring frame and the stirring assembly, a synergistic effect of a strong centrifugal force field and slow shearing is formed, materials can be rapidly mixed, the materials are prevented from caking, the mixing uniformity is effectively improved, the scraping blades on the stirring assembly can be dynamically attached to the inner wall of the mixing barrel, the adhered materials can be scraped in real time, and material waste is reduced.

The utility model relates to the technical field of gold ore analysis and test pretreatment, and discloses solid sample and reagent rapid mixing equipment which comprises a tank body, a first threaded mounting seat is arranged at the top of the tank body, a tank cover is in threaded connection in the first threaded mounting seat, a fixing pipe is fixedly connected in the tank cover, and a fixing sleeve is fixedly connected to the bottom of the fixing pipe. A fixed sleeve is arranged in the tank body, a sliding sleeve is connected to the outer wall of the fixed sleeve in a sliding manner, a lifting pipe is fixedly connected to the bottom of the sliding sleeve, and a second threaded mounting seat is arranged at the bottom of the lifting pipe. The solid sample is placed in the circulating flow channel in the tank body, so that the dissolution rate between the solid sample and the solvent is increased through rapid flowing between the solvent and the solid sample, meanwhile, uniform dissolution of the solid sample in the solvent is achieved through circulating flowing of the solvent, and the practicability of the equipment is improved.

The invention discloses a mine water recharge pretreatment device which comprises a supporting plate, the outer side of the top of the supporting plate is sleeved with a shell, one side of the top of the shell is fixedly connected with a supporting frame, one side of the supporting frame is fixedly connected with a box body, and the center axis of the top of the box body is fixedly connected with a first motor; and the output end of the first motor is fixedly connected with a first stirring roller. Through the staged stirring design and the rapid mixing stage, a flocculating agent is in full contact with mine water, charge neutralization is completed, flocs are promoted to collide and agglomerate into large and dense flocs in the slow flocculation stage, the flocs are prevented from being damaged by strong turbulence, and the flocculation effect is improved; secondly, the multi-shell design is matched with switching of the flow guide pipes, materials can be processed in parallel, the hydraulic retention time is flexibly adjusted, and the processing efficiency is improved; water and sediments are separated through a mechanical structure after sedimentation, operation is convenient, the sediments are treated in a centralized mode, the occupied area of the device is small, and the space utilization rate is high.

The utility model relates to the technical field of sludge treatment devices, and discloses a sludge and solid medicament mixing and conditioning device which comprises a mixing tank and a rotating rod, the rotating rod is vertically and rotatably mounted in the mixing tank, a material cover is fixed on the outer ring above the rotating rod in a surrounding manner, and the outer ring of the material cover is close to the inner wall of the mixing tank; electric push rods are vertically mounted above the two sides of the mixing tank, the extending ends of the electric push rods penetrate into the mixing tank, lifting plates are fixed to the tail ends of the bottoms of the electric push rods, and the rotating rods penetrate through the middle positions of the lifting plates. According to the technical scheme, the material cover is fixed on the outer ring of the rotating rod and is arranged in the upper part of the mixing tank, added solid flocculants and other medicaments can fall on the inner surface of the material cover, the lifting plate descends to be close to the upper part in the material cover when sludge is stirred, and the solid medicaments are ground by utilizing the upper grinding strip and the lower grinding strip, so that the solid medicaments can be effectively stirred. And then the solid medicament falls into the sludge through the leaking hole and is stirred and mixed with the sludge, so that the aim of uniformly and quickly mixing the solid medicament and the sludge is conveniently realized.

The invention discloses a mixing device and method for producing a bio-enzyme catalytic degradation air scavenger, and the invention relates to the technical field of air scavenger production. By setting a material turning component, the impeller can suck the material at the bottom of the inner cavity of the mixing tank into the inside while rotating at a high speed, and output it through the top of the venturi tube body, so as to achieve the purpose of turning the deposited raw materials at the bottom of the mixing tank, so that the positions of the raw materials with lower density in the upper layer and the raw materials with higher density in the lower layer are constantly exchanged, so that the rapid mixing of different raw materials is completed during the process of continuous position exchange, thereby avoiding the stratification phenomenon of raw materials with different densities and the situation that rapid mixing cannot be achieved. By utilizing the venturi effect, a low-pressure area is formed at the throat position, and the external liquid raw materials can enter the throat under the action of negative pressure, so that they can be mixed with other raw materials flowing through the position, so as to achieve the effect of pre-mixing before entering the mixing tank, which can greatly shorten the subsequent mixing time.

The invention relates to the technical field of mineral flotation dosing devices, in particular to an ultrasonic multi-stage rapid mixing, stirring and dosing device. Through the combination of the stirring impeller and the ultrasonic emulsification device, a medicament can be effectively stirred and ultrasonically emulsified, so that the medicament is mixed more uniformly and dispersed more meticulously, and the activity of the medicament is improved; and the spiral flow deflector on the inner wall of the atomization channel can enable the medicament to rotate in the flowing process, so that the mixing effect and the atomization degree of the medicament are further enhanced, the dosing efficiency and accuracy are improved, the dosing quality is ensured, and the use requirements of different working conditions are met.

The utility model discloses a gun body and a gas cutting gun thereof, and belongs to the technical field of gas cutting guns, the gun body comprises a grip, a mixer and a mixing core, an oxygen pipeline and a gas pipeline are arranged in the grip, and the oxygen pipeline and the gas pipeline are respectively provided with an oxygen valve and a gas valve; the mixer is arranged at the front end of the grip, a mixing cavity is formed in the mixer, the mixing core is arranged in the mixing cavity, the mixing core comprises a core rod and a plurality of flow guide units arranged on the core rod, and oxygen and fuel gas entering the mixing cavity pass through the mixing core and then are discharged from the mixed gas outlet end. According to the utility model, the mixing core is arranged in the mixer, so that oxygen and fuel gas entering the mixing cavity can flow in the mixing cavity in a repeated direction changing manner under the action of the plurality of flow guide units, and the oxygen and the fuel gas are impacted and collided repeatedly, so that the oxygen and the fuel gas are mixed quickly and uniformly, and the mixing uniformity of the mixed gas is improved.

The invention belongs to the field of solution precipitation polymerization reaction, and discloses a reaction system and method for synthesizing olefin maleic anhydride polymer microspheres. The system comprises a reactor, a thermolator, a flow control unit, a temperature control unit and a pressure control unit, and further comprises a mixing device and / or a feed distribution device. The temperature of the inlet of the reactor is regulated by arranging the temperature regulator, efficient and rapid mixing is completed by arranging the mixing device, the novel reactor is provided, and continuous large-scale production of olefin maleic anhydride polymer microspheres can be achieved.

The invention relates to the field of constant volume devices, and discloses a visual constant volume device and application thereof.The visual constant volume device comprises a liquid adding module used for adding liquid into a constant volume container, and a mechanical arm module comprising a longitudinal moving assembly; the visual acquisition module moves up and down along with the movement of the longitudinal moving part and always keeps horizontal with the top surface of the liquid in the constant volume container; and the control module is electrically connected with the liquid adding module and the visual acquisition module, and is used for receiving the signal and executing corresponding operation, identifying the relative position of the liquid level and the scale line and the liquid level rising rate through a built-in algorithm, and further outputting a flow regulation instruction to the liquid adding module. According to the visual constant volume device, the mechanical arm synchronously bears the visual collection module and is in cooperative linkage with the liquid adding module through a built-in algorithm of the control module, efficiency and precision are improved, meanwhile, the liquid adding module is provided with a multi-channel liquid injection head and can be modularly customized according to requirements, and the visual constant volume device can be compatible with rapid mixing and matching of various liquids at the same time.