34results about How to "Improve sand mixing efficiency" patented technology

The invention relates to foundry machinery, specifically to sand mixing equipment. The sand mixing equipment comprises a cylinder, a rotation shaft, a driving motor, a watering device, a valve device, a sand rolling device, a sand fluffing device, a sand-casting device and a scraper plate. The cylinder is a hollow cylinder structure. The bottom of the cylinder is provided with a fan-shaped opening. A support plate is arranged at the opening. The opening is used for releasing mixed sand. The support plate is provided with through-holes. The rotation shaft is installed at the middle part of the cylinder. The driving motor is positioned below the cylinder. The watering device is positioned above the rotation shaft. The valve device is installed at the bottom of the cylinder. The sand rolling device, the sand fluffing device, the sand-casting device and the scraper plate are uniformly installed on the periphery of the rotation shaft. The scraper plate is positioned at the bottom of the cylinder. The sand mixing equipment has a simple structure. By effectively integrating a muller, a sand fluffing rod, a plough and the scraper plate, rolling, grinding, stirring and turning-over of a material are realized, and sand-mixing efficiency of the sand mixer is enhanced.

The invention relates to a casting sand mixer. The casting sand mixer comprises a machine base, a round sand mixing hopper, a rotating motor assembly, a wheel train transmission mechanism, turning andgrinding assemblies and a scraping plate mechanism, the round sand mixing hopper is fixedly arranged on the machine base, the rotating motor assembly is fixedly arranged at the central position of the bottom of the machine base, the wheel train transmission mechanism is fixedly arranged at the top of the rotating motor assembly, the two turning assemblies are symmetrically and rotationally arranged on the wheel train transmission mechanism, and the scraping plate mechanism is fixedly arranged on the wheel train transmission mechanism; the rotating motor assembly can drive the wheel train transmission mechanism, the whole synchronous rotation formed by the turning and grinding assemblies and the scraping plate assembly is achieved, the wheel train transmission mechanism can drive the two turning and grinding assemblies to rotate. According to the casting sand mixer, the grinding roller and the sand turning structure of the casting sand mixer are uniform and compact in design and convenient to dismount and maintain, cleaning and rapid replacement of the grinding wheel structure are facilitated, and the efficiency and quality of sand mixing are ensured.

The invention discloses a sand mixing machine, which comprises a frame, a lifting frame, a lifting motor, a turning frame, a turning motor, two sand mixing buckets and two sand mixing motors, the lifting frame is arranged on the frame, and the turning motor is installed on On the lifting frame, the turning frame is rotated and set on the lifting frame, and the two sand mixing buckets are arranged on the turning frame. There is a stirring shaft in the sand mixing bucket, and a stirring blade is set on the stirring shaft. One end of the stirring shaft is connected from the sand mixing bucket. One end extends out of the sand mixing bucket, and the agitating shaft extends out of the sand mixing bucket. A connecting piece is provided at one end of the mixing bucket, and an internal spline is arranged on the connecting piece. The sand motor is arranged on the top of the frame, and the output shaft end of the sand mixing motor is provided with an external spline that can cooperate with the internal spline on the connecting key. The present invention is provided with two sand mixing tanks, and when one sand mixing tank is mixing sand, the other sand mixing tank discharges sand outwards, which reduces the downtime of sand discharging and improves the sand mixing efficiency of the present invention.

The invention belongs to the technical field of coated sand production equipment and discloses a coated sand sand mixer, which includes a sand mixer body, the sand mixer body includes a sand mixing cylinder, a base and a foot, and the inside of the sand mixing cylinder is equipped with a There is a rotor reducer and a main shaft, the top of the rotor reducer is provided with a baffle, the baffle is fixedly connected with the inner wall of the sand mixing cylinder, the bottom of the rotor reducer is provided with a rotor, and the rotor is fixedly connected with the rotor reducer, The rotor is provided with a sand stirring rod, and the rotor and the sand stirring rod are fixedly connected. The main shaft is provided with a short scraper, and the bottom of the short scraper is provided with a long scraper. The top of the sand mixing tube is There are air outlet, resin inlet, curing agent inlet and sand inlet. The resin inlet, curing agent inlet and sand inlet are all provided with pipe covers on the top, and the outside of the sand mixing cylinder is provided with a rotor motor. In the present invention, two rotor motors are provided to fully stir the sand, so that the coating is more complete, and the sand mixing efficiency is high and the quality is good.

The invention belongs to the field of petroleum machinery, and in particular relates to a continuous hemispherical sand mixing device for fracturing, which can be applied to the development of unconventional oil and gas (such as shale gas, etc.). Continuous hemispherical sand mixing device for fracturing, including: base, sand mixing chamber, transmission box, upper end cover, main shaft, internal gear, cantilever shaft, transmission gear, characterized in that the base, sand mixing chamber, transmission box , and the upper end cover is fixedly connected in turn. Compared with the traditional open sand mixing device, the present invention realizes the continuous mixing and output of fracturing fluid and sand, and improves the sand mixing efficiency; compared with the Jereh continuous sand mixing device, the blade wear is greatly reduced, and the pressure The mixing of cracking liquid and sand is more uniform, and the overall sand mixing effect is significantly improved.

The invention discloses a water mist cooling control method of high-temperature molding sand. A stroke switch SQ is arranged on a hoisting device on a vibration shakeout machine to be used for being in contact with a hoisting box to trigger, an arc-shaped stainless steel semi-closed cover is made on a conveyor belt to cover the conveyor belt, a plurality of high-pressure atomizing water injectionnozzles are installed on the central axis of the semi-closed stainless steel cover at equal intervals, each high-pressure atomizing water injection nozzle is controlled by a solenoid valve, the time taken form the hoisting box to vibrate sand falling to high temperature sand spreading over the conveyor belt is denoted as t1, when a vibration sand falling device is opened and the hoisting box is started, hoisting box equipment moves to be in contact with the stroke switch to enable the stroke switch close, the solenoid valve is opened again after delaying t1, thus the high-pressure atomizing water injection nozzles work, after working the time t2, the solenoid valve is closed, after waiting for a period of time, that is t3, thehoisting box equipment moves to be in contact with the travel switch again to enable the stroke switch close, and the steps are cycled and repeated in this way.

The invention belongs to the technical field of sand mixing equipment and relates to a continuous clay sand mixer. A new and old sand bin, a bentonite bin and a pulverized coal bin are arranged above a comprehensive charging hole, a moisture detector connected with a PLC control unit in an electric information mode is arranged under the new and old sand bin, and online detection of moisture of new and old sand before sand mixing can be achieved; after a human-machine control interface presets raw material parameters, the PLC control unit is used for analysis and calculation to control operation of a water pump frequency converter, a bentonite spiral feeding frequency converter and a pulverized coal spiral feeding frequency converter, and water, bentonite and pulverized coal are continuously added to a mixing cage in real time in an online and quantified mode; a return bin with a discharging mechanism is arranged under the mixing cage, so that mixed moulding sand is conveyed to the next production link; the mixer is simple in structure, reasonable in design, scientific in principle, simple in operation, high in sand mixing efficiency, good in sand mixing effect and good in finished product performance, the production efficiency is improved, and production cost is lowered.

The invention discloses a centrifugal sand mixer for mixing sandy soil. The centrifugal sand mixer comprises a fixing base, wherein annular sliding grooves are formed in the upper surface of the fixing base, a groove is formed in the upper surface of the fixing base, a first motor is fixedly connected to the inner bottom wall of the groove, the output end of the first motor is fixedly connected with a gear, a sand mixing barrel is arranged at the top of the fixing base, the bottom surface of the sand mixing barrel is fixedly connected with a tooth ring, the outer surface of the tooth ring is meshed with the outer surface of the gear, the bottom surface of the sand mixing barrel is fixedly hinged to first roller wheels through pin shafts, the first rolling wheels are clamped in the annularsliding grooves, the inner bottom wall of the sand mixing barrel is fixedly connected with a driving box, a second motor is arranged in the driving box, and a rotating rod is fixedly connected to theoutput end of the second motor. The sand mixing machine for mixing the sandy soil has the advantages that the inner side wall can be cleaned after the sand mixing is finished, and the sand mixing efficiency of the sand mixing machine is improved.

The invention relates to foundry machinery, specifically to a sand-casting sand mixer. The sand-casting sand mixer comprises a driving motor, a rotation shaft, a sand-casting device and a runner wheel device. The driving motor is positioned at the bottom of the sand mixer and is connected with the rotation shaft through a shaft coupling. The middle part of the sand mixer is provided with the rotation shaft. The whole body of the sand-casting device is plough-shaped and comprises an elongated plough handle and a base plate. The base plate and the bottom of the plough handle are fixedly connected. The runner wheel device comprises a runner wheel body and sand fluffing rods. One side of the runner wheel body is provided with the sand fluffing rods which uniformly cover one side of the whole runner wheel body. The sand fluffing rods arranged at the edge of one side of the runner wheel body are the shortest. Length of the sand fluffing rods is gradually increasing in the direction towards the central plane of the runner wheel body. The sand-casting device and the runner wheel device are both connected with the rotation shaft through bolts. The sand-casting sand mixer has a simple structure. By effectively integrating a runner wheel and a plough and fully utilizing the space between the runner wheel and the side wall of the sand mixer, rolling, grinding, stirring and turn-over of a material are realized, and sand mixing efficiency of the sand mixer is raised.