46results about How to "Strong rotation" patented technology

The invention provides a W flame boiler of a turbulent burner with an inner direct flow and outer turbulent flow ammonia spraying device and relates to the W flame boiler. The W flame boiler solves the problems that an existing W flame boiler of the turbulent burner is high in NOx discharge amount and low in denitrifying efficiency. The center of a first stage ammonia spraying device is placed atthe upper edge of a front furnace arch or a back furnace arch, the distance L from the center line of a second stage ammonia spraying device to the upper edge of the front furnace arch or the back furnace arch is 1-2m, the center of the first stage ammonia spraying device is located in a same horizontal plane, and the center of the second stage ammonia spraying device is located on a same horizontal plane; the first stage ammonia spraying device and the second stage ammonia spraying device comprise inner tubes, outer rubes and a plurality of turbulent blades, the inner tubes and the outer tubes are arranged coaxially, the plurality of turbulent blades are uniformly distributed between the inner tubes and the outer tubes, the inner tubes are direct flow nozzles, and the plurality of turbulent blades arranged between the outer tubes and the inner tubes are turbulent nozzles which form the ammonia spraying device with an inner direct flow and an outer turbulent flow. The W flame boiler provided by the invention belongs to the technical field of NOx emission reduction.

The invention discloses the bottom plate of a bamboo and wood table tennis bat and a manufacturing method thereof, and the bottom plate and the manufacturing method relate to the technical field of sports supplies. The bottom plate of the bamboo and wood table tennis bat comprises a bat plate and a bat handle; the middle layer of the bat plate comprises more than two layers of planks; surface plate surfaces are spliced on the middle layer in a sticking way; and the surface plate layers are made of bamboo plates. The manufacturing method comprises the following steps: material selection, blanking, treatment, slicing, drying, sizing, hot pressing, drawing, cutting, finalizing and bat handle installation, and the bottom plate of the bamboo and wood table tennis bat is obtained. Compared with the prior art, the bottom plate of the bamboo and wood table tennis bat has high elasticity, so that the striking force is increased.

The invention discloses a PLC-controlled spray dust removal and haze removal vehicle with a vector nozzle, which comprises a six-wheeled vehicle chassis, a front vector cyclone sprayer, a first worm wheel, a first worm, a first plunger hydraulic motor and the like. The front vector cyclone sprayer is fixedly installed on the upper part of the first worm wheel through a bracket. The first worm gear rotates vertically and is installed on the boss on the lifting platform. The first worm is installed on the support of the lifting platform for lateral rotation, and cooperates with the first worm wheel. The invention can achieve large power transmission in a small space, so that the high-speed fan can easily reach a very high speed and is stable and noiseless. By setting the vector nozzle, the front vector cyclone sprayer and the rear vector cyclone sprayer can be sprayed The direction and angle can be adjusted more precisely, so as to achieve better dust removal effect.

An interior permanent magnet motor with flux strengthening includes a stator and a rotor. The stator has a mounting hole centrally formed through the stator and multiple stator teeth circumferentially formed on an inner portion of the stator between a periphery of the stator and the mounting hole. The rotor is rotatably mounted inside the mounting hole and includes multiple permanent magnets circumferentially and axially mounted inside the rotor. Each permanent magnet has two radial sides. The rotor further includes multiple flux barrier grooves. Each flux barrier groove is axially formed through a portion of the rotor located beside one of the two radial sides of a corresponding permanent magnet. The presence of the flux barrier grooves serves to shield and guide the lines of magnetic flux of the permanent magnets so as to concentrate the lines of magnetic flux, strengthen flux linkage, and reduce flux leakage.

The invention discloses an electrolytic manganese dioxide cyclone separator which comprises a barrel body, two air inlet pipes A and an air outlet pipe, wherein the upper part of the barrel body is a cylinder, and the lower part of the barrel body is a cone; the air inlet pipes A are arranged at tangent positions on the outer wall of the cylinder at the upper end of the barrel body; the air outlet pipe is arranged at the cover of the upper end of the barrel body; a vortex stabilization pipe is arranged under the air outlet pipe in the barrel body; a cyclone joint is arranged at the lower end of the barrel body; two air inlet pipes B are arranged on the cyclone joint. According to the electrolytic manganese dioxide cyclone separator, the structure of an inner flow field of the cyclone separator is effectively improved, and the pressure loss of the cyclone separator is reduced; furthermore, the electrolytic manganese dioxide cyclone separator can effectively implement secondary separation, so that the quality of a separated material is improved, and the requirement on electrolytic manganese dioxide production is met. The electrolytic manganese dioxide cyclone separator is simple and reasonable in structure, wide in application range and suitable for popularization and application.

An inferior coal micro-oil ignition combustor comprises a streamlined air powder separation ring, a bidirectional cyclone oil combustor, a wing-shaped anti-friction block, a primary dense-phase coal powder combustion chamber, a secondary dilute-phase coal powder combustion chamber, a V-shaped cavity backflow blunt body, a circumferential cooling bellows and the like, employs a principle of gas-solid two phase flow separation, a principle of oil flame two-way cyclone ignition, backflow high-temperature flue gas of a blunt body, a principle of energy repeated utilization, a principle of coal powder graded ignition and energy gradual enlargement, forms a power field with low air speed, high density, strong eddy flow, strong backflow in the combustor, and creates favorable condition for firing coal powder, so as to effectively solve the problems of firing difficulty and low burn-out ratio of inferior coal. The combustor is capable of igniting inferior coal of 4 to 10 tons by using oil capacity of 150kg/h, which has an oil-saving ratio more than 80%, service life more than 4 years, and is beneficial for popularization in related industries.

The invention discloses a high-stretching-ratio-resisting adhesive for a cable shielding film. The high-stretching-ratio-resisting adhesive is prepared from a main agent and a curing agent, wherein the mass part ratio of the main agent to the curing agent is 100 to 3; the main agent is a polyurethane macromolecule; the molecular weight of the polyurethane macromolecule is 19000 to 25000, a hydroxyl value is 4.5mgKOH/h to 6mgKOH/g and the solid content is 48 percent to 52 percent; the rotary viscosity at 25 DEG C is 1000mPa.S to 1500mPa.S. The adhesive provided by the invention has excellent flexibility and high bonding strength on an aluminum layer; when the high-stretching-ratio-resisting adhesive is used for adhering the cable shielding film, the aluminum layer is not broken and has no cracks under a stretching ratio which is smaller than or equal to 70 percent, so that the shielding effect of the cable shielding film is guaranteed.

The invention discloses a plate carrying mechanical arm. The plate carrying mechanical arm comprises a support column, a first rotating shaft, a primary arm, a secondary arm, a fixed frame and a fixed column, wherein a fixed base is mounted below the support column; the first rotating shaft is mounted on the right side of the support column; a third rotating shaft is mounted above the first rotating shaft; the primary arm is mounted on the right side of the first rotating shaft, and a pull rod is mounted above the primary arm; the fixed frame is mounted on the right side of the primary arm; a first connecting shaft is mounted on the surface of the fixed frame; the secondary arm is mounted on the right side of the first connecting shaft; a telescopic pull rod is mounted above the secondary arm; an air duct is mounted on the left side of the telescopic pull rod; a second connecting shaft is mounted on the right side of the secondary arm; the fixed column is mounted below the second connecting shaft. According to the plate carrying mechanical arm, the telescopic pull rod is mounted, so that the secondary arm is endowed with the stretching capability, a plate to be carried is only required to be stretched for rotational carrying by virtue of the secondary arm, and the plate carrying mechanical arm is easy to operate and convenient for carrying.

The invention discloses a video fingerprint extraction method based on sparse coding. The method comprises the following steps of firstly extracting preselected video frame image features through an SURF algorithm to obtain a training feature point set; performing sparse processing on the training feature point set to further obtain a sparse dictionary; then, performing sparse coding on a video to be processed through the SURF algorithm so that visual dictionary is built and the word frequency information is counted; finally, converting each frame of word frequency statistic result of the video into a series of hexadecimal sequences by using a similarity saving hash algorithm to thus obtain simplest fingerprints of each video frame; and then, connecting the simplest fingerprints in series according to the time sequence of the video frame in the video to obtain the video fingerprints.

The invention relates to liquor based on ultrasonic wave and ultraviolet light ripening acceleration, and a ripening acceleration method and a metabolic flux analysis method of the liquor. The ripening acceleration method comprises the following steps of: simultaneously carrying out ultraviolet light and ultrasonic wave treatment on new liquor under the following conditions to obtain ripening-accelerated liquor, wherein the wavelength of the ultraviolet light is 350-385 nm; the power of the ultraviolet light is 180-220 W; the frequency of the ultrasonic wave is 20-30 kHz; and the power of theultrasonic wave is 100-450 W. The metabolic flux analysis method comprises the following steps of: (1), filtering liquor by using an organic phase microfiltration membrane, and performing data acquisition by adopting ultraperformance convergence chromatography and quadrupole time-of-flight mass spectrometry to obtain an original data file; (2), performing extraction processing on the original datafile and generating a peak table; and (3), normalizing and scaling the retention time of metabolites in the peak table, the accurate mass of an ion peak, the strength of a fragment ion peak and the strength of a fragment isotope peak, then exporting, and carrying out visual operation.

The invention relates to rotatable fitness equipment which comprises a fixed seat and a rotating disk. The rotatable fitness equipment is characterized in that a fixed plate is arranged on the fixed seat, a movable shaft is arranged on the fixed plate, and the rotating disk is mounted on the movable shaft. The rotatable fitness equipment has the advantages of simple structure, high rotation capability and convenience in practicing.

Disclosed is a clock spring-based rotational force generating device capable of allowing a user to freely adjust rotation speed of an output shaft and preventing the output shaft from rotating slowly or never rotating due to an weakened unwinding force of a spiral spring in the late period of an operation span of the spiral spring. The device includes an input shaft, a main drive gear receiving the rotational force of the input shaft, a spiral spring wound around a main drive gear shaft, a speed gear to increase the rotational force of the main drive gear, a power transmission control gear sliding up and down to control transmission of the rotational force of the main drive gear to the speed gear, an output shaft outputting the rotational force increased by the speed gear, and a rotation speed control means for controlling the rotation speed of the output shaft.

A permanent magnet embedded rotor disposed coaxially with a cylindrical stator having a plurality of coils in the circumferential direction includes a rotor core that includes a columnar body made of a magnetic metal and a spacer made of a nonmagnetic material, and has an even number of insertion grooves, a cylindrical body that is made of a nonmagnetic metal with good electrical conductivity and externally inserted on the rotor core, permanent magnets embedded in the insertion grooves so that their N poles and S poles alternately come into contact with the inner peripheral surface of the cylindrical body, and a rotary shaft made of stainless steel fit into a rotation center of the rotor core.