2455 results about "Agitator" patented technology

The invention provides a round billet continuous casting machine and multi-stage multi-mode electromagnetic stirring device matching method, and belongs to the technical field of metallurgy continuous casting, and the method comprises the steps that an electromagnetic stirrer in a crystallizer area applies a rotating magnetic field in the initial solidification stage, and the forming quality of an initial solidification shell is optimized; an electromagnetic stirrer in the secondary cooling area utilizes a traveling wave magnetic field to continuously regulate and control the solidification process of the core part of the casting blank; the feeding effect of a final solidification section is remarkably improved through the action of a high-intensity magnetic field by an electromagnetic stirrer in a solidification tail end area, and multiple matching modes are produced to be matched with existing continuous casting processes of different steel grades according to the characteristics of the steel grades, the throwing direction of each area and the type of the electromagnetic stirrer. And then through linkage of the multi-stage multi-mode electromagnetic stirring device and cooperative control over continuous casting process parameters, the equiaxed crystal area of the casting blank is enlarged, segregation is reduced, the internal quality of the casting blank is improved, and the density, uniformity and mechanical performance of the casting blank are improved.

The cleaning device for non-woven fabric processing comprises a cleaning box, a ventilator and a cleaning frame, the ventilator is arranged on one side of the cleaning box, a rotating motor is arranged in the middle of the lower bottom wall of the cleaning box, stirring blades are arranged on an output shaft of the rotating motor, and mounting frames are symmetrically arranged on the two sides of the upper end of the cleaning box. A lead screw is rotationally arranged in one set of mounting frames, a forward and reverse rotation motor is arranged at the upper end of each mounting frame, an output shaft of each forward and reverse rotation motor is connected with the upper end of the corresponding lead screw, a threaded block is in threaded connection with the corresponding lead screw, a lifting plate is mounted on the threaded blocks, and a rotary clamping ring is rotationally arranged in the lifting plate. The cleaning frame is detachably installed on the rotary clamping ring, and the lower end of the cleaning frame extends into the cleaning box. The non-woven fabric cleaning device relates to the technical field of cleaning equipment, non-woven fabric can be fully cleaned, the cleaned non-woven fabric can be rapidly dehydrated and dried, and convenience and high efficiency of non-woven fabric processing are improved.

A whisk apparatus for a mixer. The whisk apparatus includes a connection head configured to attach to the mixer. A blade assembly extends about an axis to a tip. The blade assembly includes a plurality of blades spaced around the axis, each blade extends from a first end attached to the connection head, along a blade body, to the tip. A first paddle extends circumferentially from each of the plurality of blade bodies, the first paddles are at least partially aligned along the axis.

A machine for stirring a liquid food substance has a container delimiting a cavity with a bottom and a peripheral wall for containing the liquid food substance to be stirred. The cavity extends generally along a generally upright central container axis and has a mouth for removing from the container the liquid food substance upon stirring. The machine also has an impeller including an impelling member to be rotated in the cavity against the liquid food substance about an impeller axis that is generally identical or generally parallel to the container axis. The impelling member is configured to be spaced above the cavity's bottom by (i) a maximum stirring distance when the impelling member is rotated at a maximum stirring speed about the impeller axis and (ii) a resting distance, smaller than the maximum stirring distance (H), when the impelling member stands still.

The application discloses a heating magnetic stirrer, a stirring driving device, a temperature measuring device and a temperature control device, wherein the stirring driving device is used for mixing the solution in a beaker and making the temperature distribution of the solution in the beaker more uniform; the temperature measuring device comprises a solution temperature measuring device and a heating table temperature measuring device; the solution temperature measuring device is used for measuring the solution temperature in the beaker and taking the solution temperature as a feedback amount of a main ring; the heating table temperature measuring device is used for measuring the temperature of the heating table and taking the temperature as a feedback amount of a secondary ring; and the temperature control device adopts a fuzzy-serial PID control mode and is used for precisely controlling the solution temperature in the beaker. The heating magnetic stirrer can realize high-precision control of the medium solution temperature, has a small overshoot amount and good stability, and is suitable for different medium solutions.

An inlet hopper (3) for feeding powdered bulk material (P) into a screw conveyor (2) comprises a hopper wall (22) that defines an interior space (23). The inlet hopper (3) includes a stirring unit (30) with an agitator (31) that is arranged at least partially within the interior space (23) and is rotatable about a rotary axis (33) by means of a drive (32). The agitator (31) is frame-shaped to detach the bulk material (P) from the hopper wall (22) and to break up any bulk material bridges.

A washing machine appliance may include a tub, a basket, an impeller base, and an extended post. The impeller base may include one or more impeller fins extending radially outward from the rotation axis, a mounting face disposed radially inward from the one or more impeller fins, and an impeller cap. The mounting face may include a central bracket defining a mounting channel. The impeller cap may be slidably seated within the central bracket. The extended post may be removably attached to the impeller base and include a connector column, a shader collar, and a mating face. The connector column may selectively rest on the impeller cap and defining a cam groove above a bottom end. The shader collar may be disposed about the connector column and include a follower pin seated within the cam groove. The mating face may include a locator wing received within the mounting channel.

This specification relates to systems, methods and apparatus for automating and guiding the delivery of concrete from a concrete mixer. According to a first aspect of this specification, there is described a system for positioning a delivery chute (104, 210) of a concrete mixer vehicle (100, 200), the system comprising: one or more vehicle positioning sensors (116) for determining location data specifying a location of the concrete mixer vehicle (100, 200); the delivery chute (104, 210) for delivering the concrete mix from a concrete mixing drum (102) to a target location (204), the delivery chute (104, 210) comprising: one or more chute positioning sensors (112) for monitoring a position of the delivery chute (104, 210); and one or more actuators (110) for positioning the delivery chute (104, 210); one or more processors; and a memory, the memory storing computer readable instructions that, when executed by the one or more processors, cause the system to perform a method positioning a delivery chute (104, 210) of a concrete mixer vehicle (100, 200). The method comprises: determining, based on the location data, whether the concrete mixer vehicle (200) is at a target vehicle location (206); initiating, based at least in part on determining that the concrete mixer vehicle (200) is at the target vehicle location (206), deployment of the delivery chute (210) from the concrete mixing vehicle (200); positioning, based at least in part on data from the one or more chute positioning sensors (112), the delivery chute (210) to a target delivery location (204) using the one or more actuators (110); and indicating, to a user of the concrete mixer vehicle, that the chute is in a correct position for concrete delivery.

The utility model discloses a motor rotating speed adjusting structure of an ice cream machine, which belongs to the technical field of ice cream machines and comprises a compressor, an evaporator, a stirrer, a motor, a control panel and a display panel. The control panel is in electric control connection with the compressor, the motor and the display panel, an adjustable direct-current voltage circuit is arranged on the control panel, different voltage signals are output through the adjustable direct-current voltage circuit, and the motor is controlled to output different rotating speeds through the different voltage signals. According to the structure, the motor can at least rotate at a high speed and a low speed, so that the stirrer can stir ice cream at least at a high rotating speed and a low rotating speed, the stirring speed of the ice cream can be increased by the stirrer rotating at a high speed, the discharging speed of the ice cream can be reduced by the stirrer rotating at a low speed, and the use experience of a user is greatly improved.

The invention belongs to the technical field of chemical production, and particularly relates to extraction equipment and method for hydrogen peroxide production, the extraction equipment comprises an extraction container, inverted motors are symmetrically arranged on the two sides of the outer surface of the extraction container through sleeve shells, and the outer surfaces of the inverted motors are fixedly connected with side suspension frames; the extraction container comprises a containing cylinder; the torsion base is arranged at the bottom of the inner wall of the accommodating cylinder; the stirring component is arranged at the axis of the top of the torsion base. According to the device, the torsion base at the bottom of the containing cylinder can be improved to replace an electromagnetic stirrer to stir a solution from inside to outside, the rotating chassis and the packaging shell synchronously rotate, so that the packaging shell cannot abrade the rotating chassis during rotation, the side edge of the rotating chassis can be separated from the inner wall of the containing cylinder, and the rotating chassis is prevented from being abraded during rotation. Therefore, even if the rotating chassis is abraded with the inner wall of the accommodating cylinder, the separated impurities cannot enter the solution at the upper part, so that the problem that the solution is polluted is solved.

The utility model discloses a liquid chromatograph-mass spectrometer waste liquid recovery device which comprises a base, a liquid chromatograph-mass spectrometer main body is arranged at the top of the base, a first conveying assembly is arranged on the left side of the liquid chromatograph-mass spectrometer main body, and a stirring barrel is arranged on the left side of the liquid chromatograph-mass spectrometer main body through the first conveying assembly; a driving assembly is arranged at the top of the stirring barrel, a rotating rod is arranged in the stirring barrel through the driving assembly, a stirring rod is fixedly installed on the surface of the rotating rod, a supporting plate is fixedly installed on the left side of the stirring barrel, a storage box is fixedly installed at the top of the supporting plate, and a second conveying assembly is arranged in the stirring barrel. A shunting pipe is arranged on the right side of the stirring barrel through a second conveying assembly, and a spray head is fixedly mounted at the bottom of the shunting pipe. The cleaning agent can enter the waste liquid dispersedly, and the waste liquid and the cleaning agent are stirred in multiple directions, so that the cleaning agent can be mixed with the waste liquid more quickly, and the waste liquid can be treated more quickly.

The invention discloses a magnetic field intensity adjustable melt stirring system and a control method, and relates to the technical field of metallurgical casting, the magnetic field intensity adjustable melt stirring system comprises a crystallizer having an inner wall and an outer wall, a cooling cavity being formed between the inner wall and the outer wall; the shielding cover is fixedly arranged outside the crystallizer in a sleeving mode, and the magnetic field coil single-layer units are arranged on the inner wall of the shielding cover. The magnetic field intensity adjusting unit is electrically connected with each magnetic field coil single-layer unit and is used for dynamically adjusting the amplitude, the frequency and the waveform of the input current; the solidification interface detection module is arranged on the side wall of the crystallizer and used for detecting the melt solidification interface position in real time; the control module is in signal connection with the solidification interface detection module and the magnetic field intensity adjusting unit. The gradient magnetic field is accurately matched with the melt solidification process, dendritic crystal crushing is accurately strengthened, a traditional rotating assembly is replaced, energy loss generated by bearing friction, mechanical damping, mechanical vibration and the like is eliminated, the mechanical structure is simplified, the electromagnetic efficiency is improved, invalid power supply is avoided, and energy consumption is reduced.

A floor cleaning / refurbishment pad that includes a support layer, the support layer having a central region and an outer peripheral edge defining an outer support layer dimension, a loft material layer overlaying the support material layer and connected thereto, the loft material composed of at least one loft material and the microfiber loft material layer having a height HL and an outwardly facing surface and an agitator / abrasive strip overlaying a portion of the support material layer and connected thereto, the agitator strip having a height HA and an outwardly facing surface.

The utility model belongs to the technical field of mechanical structures, and particularly relates to a hybrid power system of a combine harvester, which comprises a master controller, a battery component, a generator, a threshing mechanism, a header conveying mechanism, a diesel engine, a traveling mechanism, a fan device and an auger vibrating screen mechanism. The battery assembly and the generator are electrically connected with the master controller. The diesel engine is electrically connected with the master controller through the engine controller; the threshing mechanism and the header conveying mechanism are electrically connected with the master controller through the electric drive unit. The power output end of the diesel engine is sequentially connected with the fan device, the walking mechanism and the generator, and a clutch I is arranged between the walking mechanism and the diesel engine; and the auger vibrating screen mechanism is in transmission connection with the power output end of the fan device. According to the technical scheme, energy utilization and economical efficiency are both considered, pollutant emission is reduced, endurance and operation efficiency is improved, power transmission control is flexible, mechanism driving modes are diversified, and many disadvantages of a traditional power system are overcome.

The present disclosure provides a debris container for a surface cleaning device, where the surface cleaning device includes an upright section, a surface cleaning head, a fluid distributor configured to distribute a cleaning fluid, and an agitator configured to absorb at least a portion of the distributed cleaning fluid and to agitate debris on a surface to be cleaned, the debris container comprising a solid debris chamber configured to collect at least a portion of the debris agitated from the surface to be cleaned; and a fluid debris chamber configured to collect at least a portion of fluid removed from the agitator.

An extraction cleaner may include a base, an upright body pivotally coupled to the base, a supply tank removably coupled to the upright body and a recovery tank removably coupled to the upright body. The base may include a non-removable door and a removable suction nozzle. At least one fluid dispensing nozzle may be provided on the door. The door may be pivotally coupled to the base for providing access to an agitator. The cleaner may include and auto-spray configuration. The cleaner may include a support on the upright portion for the recovery tank. The cleaner may include an additive tank received in a receptacle of the supply tank. The recovery tank may include a float and / or an airflow management configuration. The cleaner may include a cleaning tool and a suction changeover valve and / or a fluid changeover valve. The cleaner may include a mixing valve for supplying fluid to a fluid changeover valve. A cleaning composition including an aqueous based cleaning solution mixed, on demand, with an aqueous based oxidizing solution is also provided.

The utility model discloses a magnetic stirrer with an efficient stirring function, which comprises a stirring barrel, a liquid inlet valve fixedly connected to one end of the upper part of the stirring barrel, a liquid discharge valve fixedly connected to one end of the lower part of the stirring barrel, a supporting column fixedly connected to the other end of the lower part of the stirring barrel, and a bottom plate fixedly connected to the lower part of the supporting column, a magnetic transmission mechanism is fixedly connected to the middle position above the stirring barrel, a rotating rod is movably inserted into the inner side of the stirring barrel, a stirring mechanism is fixedly clamped to the surface of the rotating rod, and a fixing mechanism is fixedly arranged at the other end above the bottom plate; the radial extension range of the stirring blades can be dynamically adjusted through linkage extension of the hydraulic telescopic rod and the folding rod in the stirring mechanism, and the attack angle and the coverage area of the stirring blades in fluids with different viscosities can be automatically adjusted in combination with real-time feedback control of the adjusting sensor on the pitch angle of the stirring blades, so that the mixing efficiency is remarkably improved.

The invention relates to the technical field of motor control, and discloses a torque adjustment control method of a magnetic stirrer based on sample characteristics, which comprises the following steps: acquiring an armature three-phase current and a rotor position signal, and converting the armature three-phase current and the rotor position signal into a quadrature-axis actually measured current and a direct-axis actually measured current by utilizing coordinate transformation logic; extracting a magnetic declination estimated value reflecting the phase lag degree of the stirrer based on an electromagnetic coupling model; calculating a magnetic declination change rate according to the magnetic declination estimated value of the continuous sampling period; a transient compensation current is generated by adopting a nonlinear compensation operator and combining a real-time synchronous torque coefficient; according to the invention, the transient characteristics of the magnetic declination are utilized to realize the real-time sensing of the load disturbance, the magnetic coupling slippage caused by the sudden change of the characteristics of the sample is effectively inhibited, and the stability of the magnetic declination is improved. And the ineffective temperature rise of the motor is reduced while the system stability is guaranteed.

The invention discloses a stirring assembly and a stirrer. The stirring assembly comprises at least one stirring blade and a fastening assembly; each stirring blade comprises an integrally formed connecting seat and at least one blade, and the plurality of stirring blades are stacked in an axially aligned manner through the connecting seats; and the fastening assembly is suitable for detachably and fixedly connecting the connecting seat of the stirring blade with the transmission shaft. The stirrer comprises the stirring assembly. The reaction kettle has the beneficial effects that the mounting mode of the stirring blades is converted from welding to fastening connection, so that the mounting procedure of the stirring blades can be carried out in the reaction kettle, and the problem of complicated mounting of the stirring blades caused by the size limitation of a manhole of a container can be avoided. The stirring blades and the transmission shaft are connected through the mechanical fastening assembly, the problem of inherent stress concentration at the connecting position in a traditional welding mode can be solved, and the anti-fatigue performance of components under alternating loads is greatly improved.

The utility model discloses a longitudinal and transverse bidirectional multilayer composite stirrer, which belongs to the technical field of stirrers, and comprises a four-way body, and an axial stirring device, a radial stirring device, a crushing mechanism and a feeding mechanism which are arranged on the four-way body, the axial stirring device comprises an axial stirring assembly arranged on the outer wall of the four-way body and a driving device arranged in the four-way body. Through torque reversing of the bevel gear set, longitudinal and transverse stirring in the radial direction and the axial direction is achieved, the problem that a traditional stirrer is difficult to stir across material layers is solved, and the stirring quality is improved. The modular stirring assembly design can flexibly realize circular working surface stirring and rectangular working surface stirring by replacing stirring assembly blades with different shapes; and strip-shaped stirring, planar stirring and even cubic stirring are flexibly realized through combination of stirring components with different numbers and positions.

The invention provides a method and a system for processing blockage of a discharge port of a limestone powder bin of a thermal power plant, which are used for monitoring the running state in real time through a pressure, humidity and flow sensor array arranged at the discharge port and intelligently judging the normal, pre-blockage risk or complete blockage state according to a preset threshold value. Aiming at different states, stage treatment is automatically started: when the risk of pre-blocking exists, a propeller type stirrer in the bin is started, and dry compressed air is introduced, so that the flowability of powder is improved to prevent blocking; and when complete blockage occurs, a composite dredging mechanism is formed by linkage of high-frequency impact of the pulse air hammer, overall vibration of the vibration motor and purging of high-pressure air. The whole process automatic control system performs centralized control, and is provided with a human-computer interaction interface for monitoring and intervention. The system realizes the conversion from passive dredging to active prevention, has the advantages of accurate blockage early warning, efficient and thorough treatment, high automation degree, high reliability and the like, and effectively ensures the continuous and stable operation of the desulfurization system of the thermal power plant.

The utility model discloses a mixing device for flame-retardant composite material processing, which comprises a mixing tank, one side of the outer surface of the upper end of the mixing tank is provided with a feed inlet, and the upper end of the mixing tank is provided with a stirring assembly. The stirring assembly comprises a transmission box, an electric telescopic rod, a driven shaft, a stirrer, a base plate, a vertical plate, a sliding block, a sliding groove, a gear motor, a support, a driving shaft, a first belt wheel, a belt and a second belt wheel, the transmission box is fixedly installed on the outer surface of the upper end of the mixing tank, and the stirrer is located in the mixing tank. According to the mixing device for processing the flame-retardant composite material disclosed by the utility model, the speed reducing motor is driven to move through the operation of the electric telescopic rod, and the distance between the first belt pulley and the second belt pulley is adjusted, so that the belt is tensioned again, and the stability of the belt is improved; and the moving stability of the gear motor is improved.

The invention discloses a movable premixed flow-state solidified soil preparation device with a uniform stirring function, and relates to the technical field of building construction equipment, and the movable premixed flow-state solidified soil preparation device comprises a movable frame, a stirrer, a vibrating screen assembly and a material taking mechanism. The fluid solidified soil preparation device can be flexibly adjusted and arranged according to changes of a construction area, preparation of the fluid solidified soil is achieved on a construction site, real-time pouring of the fluid solidified soil is achieved through the industrial hose pump directly connected with the stirrer, the flow concrete transferring procedure is reduced, investment of mechanical equipment is saved, and the construction efficiency is improved. The pouring construction efficiency of the flow-state solidified soil can be greatly improved; the stirring shaft drives the stirring blades to rotate and stir materials, and the first spiral blade and the second spiral blade stir the materials spirally, so that the materials are stirred, mixed and interactively stirred in the stirrer spirally, the materials are stirred more uniformly, and the stirring effect of the materials can be effectively improved.

The utility model discloses a paper tube standby glue stirring device which comprises a machine frame, a stirring kettle, a motor, a feeding port and a rotating shaft, the rotating shaft is coaxially connected with the output end of the motor, one ends of three first connecting rods are connected to the positions, at the same height, of the rotating shaft respectively, and the three first connecting rods are evenly distributed. The other ends of the three first connecting rods are respectively connected with the head ends of three stirring blades with the same shape, the stirring blades are spiral, the three stirring blades are arranged at the same height and are staggered with one another, the bottom of the stirring kettle is conical, a discharge port is formed in the conical bottom, and the distance from the head ends of the stirring blades to the rotating shaft is greater than the distance from the tail ends of the stirring blades to the rotating shaft. The tail end of the rotating shaft is connected with a circular bottom sheet, three second connecting rods are uniformly arranged on the bottom sheet, the three second connecting rods are respectively connected with the tail ends of the three stirring blades, and the bottom sheet is not in contact with the bottom of the stirring kettle. The stirring resistance and stirring dead angles can be effectively reduced, so that materials can be fully stirred at all positions in the kettle, and the materials can be effectively pushed to flow; and when the discharge port is opened, the materials are driven to surge towards the discharge port based on the spiral stirring structure, so that the discharge is accelerated, and the working efficiency is improved.

A laundry appliance includes a drum that is rotationally operable within a tub and a rotator that is rotationally operable relative to the drum. The rotator includes an impeller that is axially fixed with respect to the drum and includes a receiver, a removable agitator that is selectively coupled with the receiver, and a filtration structure that is disposed at least within the removable agitator.

The utility model belongs to the technical field of stirrers, and discloses a spiral heating stirrer which comprises a base, two supporting plates are fixedly mounted on the left side and the right side of the top end of the base respectively, circular shafts are movably connected to the top ends of the two supporting plates in a sleeved mode respectively, the number of the circular shafts is two, and the top ends of the two circular shafts are movably connected with the base respectively. And stirring tanks are fixedly mounted between the two circular shafts. By arranging the circular shaft, the turntable, the short rod, the long rod and the movable block, when the pneumatic cylinder is started, the movable block drives the bottom end of the long rod to move along the inner surface of the base, so that the top end of the long rod generates thrust on the short rod to push the short rod to drive the turntable and the circular shaft to rotate by taking the circular shaft as the axis; further, the stirring tank is driven by the circular shaft to rotate together, so that the stirring tank can be inclined, the height of the sealing cover is reduced, and an operator can open the sealing cover to check whether the sealing cover is cleaned or not without climbing to a high position.

The utility model relates to the technical field of mining mechanical equipment, and discloses a stirrer for stirring cemented filling tailing slurry of metal and non-metal mines, which comprises a stirring tank, a plurality of groups of turbulent flow bars arranged on the inner side wall of the stirring tank, a stirring vertical shaft arranged in the center of the interior of the stirring tank, and a stirring chain arranged at the middle lower part of the stirring vertical shaft, stirring blades are arranged at the bottom of the stirring vertical shaft; and a filter screen is arranged on the stirring tank between the stirring chain and the stirring blades. According to the utility model, the tailing slurry can be efficiently stirred, the conditions of blockage, breakage and the like can be avoided, and the stirring effect and efficiency of the filling body are effectively improved.

The utility model relates to a reaction kettle which comprises a kettle body and a driving mechanism arranged on the kettle body, a guide cylinder and a stirrer linked with the driving mechanism are arranged in the kettle body, a plurality of transverse baffle rings are arranged on the inner circumferential wall of the guide cylinder, and a plurality of openings positioned on the lower side of each transverse baffle ring are formed in the circumferential wall of the guide cylinder. An annular frame linked with the driving mechanism is further rotatably arranged on the peripheral wall of the flow guide cylinder, a plurality of arc-shaped plates capable of covering the openings are arranged on the annular frame, the number of the arc-shaped plates corresponds to that of the openings, and when the annular frame rotates, the arc-shaped plates alternately open or close the openings, so that the flow in the flow guide cylinder flows from top to bottom under the action of the stirrer, and the flow in the flow guide cylinder is uniform. The flowing sectional area of the fluid at each transverse baffle ring is shrunk and expanded, so that the fluid is accelerated and then decelerated, and multi-stage shearing and turbulent flow are generated; meanwhile, the opening circulation on the guide cylinder is opened and closed, so that the dynamic change of the flow field structure between multi-stage shunting circulation and single bottom return is realized, and the mixing efficiency of the reaction kettle is improved.

The application discloses a stopper rod for inhibiting confluence vortex and a method thereof, and belongs to the technical field of water gap flow control of continuous casting tundish in metallurgy technology. The stopper rod comprises a stopper rod shell, a stopper rod core is embedded in the stopper rod shell, a magnetic field generating device is arranged on the outer circumferential wall of the stopper rod core, and the magnetic field generating device is used for exciting a magnetic field directly above the water gap. The magnetic field generating device is an electromagnetic coil or a rotating magnetic field stirrer. The application can effectively inhibit the generation of confluence vortex at the end of pouring by adding an electromagnetic field to make the molten steel generate induced current. Meanwhile, the magnetic field excited by the application is formed directly above the water gap and has the maximum strength at the vortex forming position, so that the inhibition effect of the magnetic field on the confluence vortex is more direct, the inhibition effect is obvious, and energy waste is avoided.