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100results about How to "Reduce agitation" patented technology

Method and apparatus for improving horizontal continuous casting billet quality by applying composite field

InactiveCN101244451AShort diffusion timeEfficient removalElectromagnetic fieldImpurity
The invention relates to a quality improving method for horizontal continuous casting blanks by applying complex field and the device, belonging to the technical field of preparation of metal material, in particular to the technology of applying complex electromagnetic field and ultrasonic field in the continuous casting process of metal casting blanks. The device is characterized in that a generator of inert gas is arranged at the center of the bottom of a holding furnace; a generator of traveling wave magnetic field is arranged on the side of the holding furnace; a power ultrasonic device is arranged on the holding furnace close to the water port; a restriction electromagnetic coil is arranged on the outer side of a crystallizer. The device has the advantages that: firstly, the production technology is simple, the operation is easy, and the efficiency is high; secondly; the disadvantages of easy broken in rolling and drawing process of casting blank due to more impurity and pores is solved; thirdly, the solidification structure of the casting blanks is uniform, the crystal grain is fine, and the casting blanks can be rolled directly at casting state. The quality improving method and the device are mainly used for the field of metal continuous casting.
Owner:DALIAN UNIV OF TECH

Microwave catalytic oxidation apparatus for landfill leachate treatment

The invention discloses a microwave catalytic oxidation apparatus for landfill leachate treatment. The microwave catalytic oxidation apparatus mainly comprises a mixed water tank, a microwave reactor, a water cooling device, a circulating system and an automatic control system, wherein an overflow valve, a water inlet and a dosing tank are arranged on the upper part of the mixed water tank, and a water level indicator and an aeration pipe are arranged in the mixed water tank; the microwave reactor is surrounded by a housing, an outer wire, a magnetron, a transformer and a coil pipe are arranged in the microwave reactor, and the microwave reactor is connected with a cooling system; the circulating system is provided with a forward connecting pipe and a backward connecting pipe, the two of which are connected with the mixed water tank and the microwave reactor, and the connecting pipes are connected to the lower end of the coil pipe of the microwave reactor; the backward connecting pipe is provided with a water outlet and a circulating water pipe, and the circulating water pipe is communicated with the mixed water tank; and the microwave reactor and the water cooling device are connected with the automatic control system. The microwave catalytic oxidation apparatus is applied to landfill leachate treatment, and is high in microwave utilization rate, long in service life of the magnetron, good in leachate treatment effect, and also can be automatically controlled.
Owner:GUANGDONG UNIV OF TECH +2

Stirring disc screen type feeding machine

The invention relates to a stirring disc screen type feeding machine which comprises a scraping arm and two extruding arms, wherein the scraping arm and the extruding arms are respectively fixedly connected to a spindle; the spindle is driven to rotate by a reduction box; the output flange of the reduction box is fixedly connected to a base, and simultaneously the reduction box is connected to a motor through a belt wheel system; and the front ends of the extruding arms are provided with wear-resisting plates, so that when a material is conveyed to a material barrel and reaches a certain height, the material can be extruded out of the material barrel under the combined action of the wear-resisting plates and a gridding plate arranged on the material barrel. The stirring disc screen type feeding machine is used for easily turning and stirring the material, fully mixing and homogenizing the material, easily gathering the material towards the inner wall of the material barrel and quicklyextruding the material. After the material is extruded out of the material barrel, the material falls onto a collecting plate which rotates under the driving of a reduction motor, thereby conveying the material to a discharging port. The stirring disc screen type feeding machine has the advantages of material stirring function, good mixing and homogenizing effect, small abrasion of extruding arm,long service life, less possibility of material drying, high production efficiency, and the like..
Owner:CHINA NAT HEAVY MACHINERY RES INSTCO

Self-feeding powder mixing device for constructional engineering

The invention discloses a self-feeding powder mixing device for constructional engineering. The self-feeding powder mixing device for constructional engineering comprises a machine body; a supporting base is horizontally arranged on the lower side of the machine body; a wear-resistant concrete layer covers the outer wall of the machine body; a stirring rotating shaft is vertically arranged in the machine body; the top end of the stirring rotating shaft is connected with a driving motor; a plurality of stirring blades are arranged on the outer wall of the stirring rotating shaft; 12 stirring blades are divided into upper and lower three groups along the stirring rotating shaft circumferentially and uniformly. According to the self-feeding powder mixing device for constructional engineering, various materials can be input simultaneously, the materials do not need to be lifted to the top of the device by workers, feeding is conducted, time and labor are saved, the S-shaped stirring blades are adopted, and resistance-reducing holes are formed in the stirring blades, so the stirring uniformity is greatly improved, the left end of a stirring cylinder is jacked up to realize automatic discharging and the discharging blockage phenomenon is effectively avoided; in addition, the damping effect is good, and the noise is reduced while the stationarity is improved.
Owner:徐得强

Modified asphalt production stirrer

The invention discloses a modified asphalt production stirrer. The modified asphalt production stirrer comprises a mounting bottom plate. The mounting bottom plate is fixedly connected with a rack. A stirring motor is mounted on the upper portion of the rack. A rotary shaft is arranged in the middle of the rack. A power output shaft of the stirring motor is connected with one end of the rotary shaft through a coupling. Multiple layers of horizontal paddle blades are arranged on the rotary shaft. A vertical paddle blade is arranged between every two layers of horizontal paddle blades. According to the modified asphalt production stirrer, axial divided flow and radial divided flow can be generated through the horizontal paddle blades so that surrounding materials can turn over up and down; the combined steering effect obtained after the vertical paddle blades are additionally arranged is obviously higher than that of a multi-layer paddle type stirrer, so that high-molecular polymers are evenly distributed in asphalt, and consistency of the mixture of the modified asphalt is improved greatly; and a bottom scraper welded to the lower portion of the bottom layer of the horizontal paddle blades can effectively scrap gel attached to the tank bottom or the conglomerated high-molecular polymers, and an outlet of an asphalt tank is prevented from being blocked. The modified asphalt production stirrer is reasonable in design, high in working efficiency and low in operation energy consumption.
Owner:WUXI HUATONG ASPHALT NEW TECH DEV

In-gear control method, device and system for synchronizer

The invention provides an in-gear control method, device and system for a synchronizer. The method includes the steps that the position of a synchronizer combination sleeve is detected, and whether the synchronizer is put into gear or not is judged; when the synchronizer is put into gear, whether a gear shifting fork is located within a preset stop bandwidth in a combination gear ring or not is detected, wherein the bandwidth center of the stop bandwidth is located between the tail end of the combination gear ring and an out-of-gear boundary, a preset safety distance is kept between the bandwidth center of the stop bandwidth and the out-of-gear boundary, and the boundary of the stop bandwidth is located between the tail end of the combination gear ring and the out-of-gear boundary; when the gear shifting fork is located beyond the stop bandwidth, the gear shifting fork is driven to be corrected in position; and when the gear shifting fork is located within the stop bandwidth and the stay time is longer than the preset time, driving on the gear shifting fork is stopped. By means of the in-gear control method, device and system for the synchronizer, a gear shifting structure of the synchronizer can be simplified, the weight of a gearbox system can be lowered, and meanwhile in-gear maintaining reliability is improved.
Owner:SAIC MOTOR

Sleeve-fish steaming device for fishing boat

The invention provides a sleeve-fish steaming device for a fishing boat, and belongs to the technical field of food processing equipment. The sleeve-fish steaming device for the fishing boat comprises a steaming box, a steaming cylinder is arranged in the steaming box, a connecting sleeve is mounted on the side wall of the steaming box, an open end of a cylinder body is rotatably connected onto the connecting sleeve, a driving mechanism is arranged between the steaming cylinder and the bottom of the steaming box, stirring vanes are arranged on the inner wall of the cylinder body, a push plate is arrange din the steaming cylinder, a power mechanism is arranged on the steaming box, a sealing door is hinged on the outer wall of the steaming box, a base is arranged on the lower portion of the steaming box, a middle water tank is arranged on the base, communicated with the bottom of the steaming box through a discharge pipe and communicated with the inside of the steaming box through a water return pipe, a plurality of spray nozzles are arranged at the upper end of the steaming box, air outlets of the spray nozzles face the steaming cylinder, a water supply pipe is arranged at the upper end of the steaming box, an exhaust gas heating pipe and a heater are arranged at the bottom of the steaming box, a discharging hopper is arranged on the outer wall of the steaming box, and conveying device for conveying sleeve-fishes is arranged on the base. The sleeve-fish steaming device has the advantages that the sleeve-fish steaming device is high in working efficiency, energy is saved and the like.
Owner:ZHEJIANG OCEAN UNIV
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