35results about How to "Automatic adjustment of rotation speed" patented technology

The invention discloses an automatic feeding device and a kneading device for tea leaves, wherein the automatic feeding device for the tea leaves comprises a charging box for accommodating the tea leaves; a lower end face of the charging box is provided with a frame with a wheel for walking on a rail and a discharge outlet for discharging; the discharge outlet is provided with a discharge hopper;a tea leaf transportation mechanism is arranged at the bottom of the charging box, and a leaf distributing machine is arranged above the tea leaf transportation mechanism; and both the tea leaf transportation mechanism and the leaf distributing machine are connected with a motor, which is arranged on the charging box, through a chain. The kneading device for the tea leaves comprises a stander, a power transmission mechanism for controlling the rotation of a kneading barrel, a kneading disc which is arranged below the kneading barrel, a pressure mechanism for controlling the pressure of a gland, and a material unloading device; and an edge of the kneading disc is provided with a blowing device for cleaning remainders in the kneading disc. The automatic feeding device and the kneading device for the tea leaves have the advantages of ingenious conception, simple structure and high degree of automation; and by using the two devices, the tea leaves can be weighed, fed, discharged automatically, unloaded and kneaded uniformly, so that the work efficiency is improved greatly.

The invention discloses a crane rotation control system which comprises a detection module, an adjustment module and a control module, wherein the detection module is used for detecting rotation load parameters in a free trackslip state, comprising the magnitude and the direction of a rotation load torque; the adjustment module is used for pre-storing a first functional relation between the rotation load parameters and a rotation current range, acquiring the rotation current range corresponding to the rotation load parameters according to the first functional relation and adjusting the rotation current range; and the control module is used for regulating rotation current in the adjusted rotation current range according to the opening of a rotation handle and controlling a rotation mechanism to rotate under the action of the rotation current corresponding to the opening of the rotation handle. According to the control system, the rotation current range is adjusted according to a rotation load obtained by detecting in the free trackslip state, so that the rotation current can be adjusted according to the opening of the rotation handle to ensure that the rotation speed is automatically adjusted so as to improve the stability and the operation controllability of the rotation mechanism. The invention also provides a crane rotation control method and a crane.

The invention discloses an ornithine production technology. The ornithine production technology is characterized by comprising the following steps: step one. filtering a ornithine fermentation liquid by using a ceramic membrane so as to obtain microfiltration dialysate; step two. carrying out nanofiltration decolorization on the microfiltration dialysate, and further purifying the microfiltration dialysate so as to obtain nanofiltration dialysate; step three. carrying out continuous ion exchange adsorption-desorption on the nanofiltration dialysate by filled hydrogen cation exchange resin so as to obtain ornithined liquor; and step four. concentrating, crystallizing and centrifugally separating the continuous ion exchange adsorption-desorption ornithined liquor, and drying a finished product so as to obtain a ornithine crystal. The ornithine production technology disclosed by the invention has the beneficial effects that the yield is high, the purification effect is good, the product concentration is stable, and the production cost is low.

The invention provides an automatic dried tofu marinating and spread cooling device. The device comprises a marinating box, a marinating conveyor belt, a lifting conveyor belt, a spread cooling conveyor belt and a spread cooling steel frame; the marinating box is a rectangular box body containing marinating liquid, one end of the marinating box is provided with a dried tofu feeding port, the other end of the marinating box is provided with a discharging port, the marinating conveyor belt is arranged in the marinating box, the lifting conveyor belt penetrates through the discharging port to stretch into the marinating box, one end of the lifting conveyor belt is located under the marinating conveyor belt and is in power connection with the marinating conveyor belt through an annular belt ring, the other end of the lifting conveyor belt is close to and is in power connection with the spread cooling conveyor belt, the spread cooling conveyor belt is installed on the spread cooling steel frame, a plurality of draught fans blowing air to the upper surface of the spread cooling conveyor belt are fixed to the spread cooling steel frame, and a motor driving the lifting conveyor belt to run is arranged on the spread cooling steel frame. The marinating conveyor belt, the lifting conveyor belt and the spread cooling conveyor belt are driven by the same motor, the structure is simple, the cost is low, and both resources and energy are saved.

The invention discloses a colistin sulfate production method, which sequentially comprises the following steps: filtering, calcium and magnesium removing-absorption desorption, concentration, desalting, neutralization and spray drying, and is characterized in that the filtering adopts ceramic membrane ultra-filtration filtering, the absorption desorption adopts a continuous ion exchange system filled with a methacrylic acid type carboxylic acid base resin or an acrylic acid carboxylic acid base resin to carry out absorption desorption, and the concentration adopts nano-filtration concentration. The production method has the following advantages that: colistin sulfate is an intracellular product, and cells can be broken when filtration is performed by using a ceramic membrane, such that the colistin sulfate in the colistin sulfate cells can be collected; the equipment is compact, the system is simplified, the pipeline is reduced, and the occupation area is small; the resin consumption is reduced; and the adopted nano-filtration has advantages of high concentration ratio, low energy consumption and the like, and the whole method has advantages of high yield, good purification effect, low production cost and the like.

The invention discloses a system for separating and purifying flavones and polysaccharide from oldenlandia diffusa. The system is characterized by comprising an ultrasonic extraction device, a pre-filtering device and ceramic membrane equipment which are connected in sequence, wherein a dialyzate outlet of the ceramic membrane equipment is connected with ultrafiltration membrane equipment; a concentrated liquid outlet of the ultrafiltration membrane equipment is connected with a first vacuum concentration and spraying device; the dialyzate outlet is connected with a continuous ion exchange andspectrum separation device; the continuous ion exchange and spectrum separation device and the dialyzate outlet are sequentially connected with membrane concentration equipment and a second vacuum concentration device and spraying device. The invention further discloses a method for separating and purifying flavones and polysaccharide from oldenlandia diffusa. The system is simple in process, capable of achieving separation and purification of flavones and polysaccharide from oldenlandia diffusa rapidly at a time, short in production cycle, possible in continuous material feeding and discharge, stable in operation, high in product content, full-automatic in operation, capable of saving a great amount of labor and materials and applicable to industrial popularization.

The invention provides a method and a system for individually adjusting the rotating speed of an intelligent rotating table. The method comprises the following steps: detecting the number of times that a user picks up dishes for each dish within a preset time period; obtaining the preference degree of the first user for the first dish according to the frequency of eating the first dish by the first user; counting the preference degree of the first user for the second dish according to the same principle; according to the same principle, when the dishes are rotated to the second user, the scores of the n dishes closest to the dishes are added together to serve as the rotating position of the current rotating table, and the favorite satisfaction degree of the second user is improved; according to the satisfaction value of the dining user of the whole table at each position, setting the staying duration of the intelligent rotary table rotating to the position for the position; for each rotating position of the intelligent rotating table, the higher the user satisfaction value of the whole table is, the longer the residence time of the intelligent rotating table at the position is. According to the method and the system, the dining requirements of people on the whole table can be comprehensively met to the maximum extent according to different user taste preferences. The rotating speed of the intelligent rotating table is automatically adjusted.

The invention relates to the technical field of spinning and yarn manufacturing and discloses a constant velocity spinning take-up roll fixing device based on a circular linear velocity law. The constant velocity spinning take-up roll fixing device comprises a supporting rack, wherein a spindle is movably connected in the supporting rack; a transmission wheel is fixedly connected outside the spindle; a turning block is hinged outside the spindle; an oblique shaft is hinged outside the turning block; a velocity regulating wheel is fixedly connected outside the oblique shaft; a movable gear is in engaged connection outside the velocity regulating wheel; a spring is fixedly connected outside of the movable gear; and a slide block is fixedly connected outside the movable gear. By matching thespindle, the transmission wheel, the turning block, the oblique shaft, the velocity regulating wheel, the movable gear, the spring, the slide block, a take-up roll and a velocity regulating rod in use, an effect of regulating the rotating velocity of a take-up shaft automatically is achieved, and the stability of the rotating velocity of a positioning block is guaranteed effectively, so that a take-up effect is guaranteed. A condition that a yarn which is too high in rotating velocity is broken is avoided effectively, so that the quality of a product is guaranteed and the economical waste is reduced.

The invention relates to the technical field of laser welding, and discloses a laser welding head with an automatic wire feeding function, which comprises a laser head, a wire feeding assembly and a support assembly fixed on the wire feeding assembly, the bottom of the wire feeding assembly is fixedly connected with a detection assembly, and the detection assembly comprises a detection plate. The top of the detection plate is in sliding connection with the wire feeding assembly through a sliding rail, and the outer side wall of the detection plate is rotationally connected with a detection wheel; during wire feeding, a welding wire can drive the detection wheel to rotate, so that the rotary encoder on the detection wheel can detect the rotating speed of the detection wheel, and when the rotating speed is lower than or higher than a preset value, the rotary encoder can control the driving equipment through the single chip microcomputer, so that the wire feeding wheel on the driving equipment can adapt to the wire feeding speed according to the detected value; in this way, the wire feeding condition can be automatically monitored, when the wire feeding speed is too fast or too slow or the wire clamping phenomenon occurs, the wire feeding speed can be automatically adjusted, a user is reminded, and maintenance is conducted in time.

The invention relates to the technical field of biological medicine manufacturing, and discloses a shelf structure for vacuum freeze drying equipment. The shelf structure comprises a shelf seat; the upper end of the shelf seat is rotatably connected with a rotary shelf; a sealing lantern ring is arranged between the shelf seat and the rotary shelf; and the front end and the rear end of the shelf seat are respectively provided with a liquid inlet and a liquid outlet. A combined structure of the shelf seat and the rotary shelf is used for replacing a traditional shelf, so that the rotary shelf can rotate on the shelf seat, materials located on the rotary shelf can be evenly heated, the temperature difference between the materials on the rotary shelf is reduced, the consistency of the quality of the materials is improved, in addition, the temperatures of the front end and the rear end of the rotary shelf are measured through a front-end temperature sensing bulb and a rear-end temperature sensing bulb, the effect of automatically adjusting the rotating speed of the rotary shelf according to a temperature difference value is achieved through the combined action of a water quantity control mechanism and the area change of arc-shaped wheel blades, and the automation of temperature adjustment is improved.

The invention discloses a method for continuously extracting DNJ, flavonoids and polysaccharides from a moraceae plant. The method is characterized by comprising the following steps: performing ultrasonic extraction on raw materials, performing ceramic membrane filtration, performing reverse osmosis concentration and performing consecutive ion exchange for three times to respectively obtain the DNJ, the flavonoids and the polysaccharides. The invention further comprises a system for continuously extracting the DNJ, the flavonoids and the polysaccharides from the moraceae plant. The method andthe system disclosed by the invention are simple in process, capable of quickly realizing the separation and the purification of mulberry leaf and mulberry twig extracts at a time, continuous in feeding and discharging, stable in operation, high in product content and fully-automatic in system operation, saves a large quantity of manpower and material resources and is suitable for industrial popularization.

The invention discloses pressure supply equipment for wastewater treatment, which comprises a pressure supply cabinet and a pressure supply pump, the pressure supply pump is fixed on the cavity inner wall of the bottom of the pressure supply cabinet, the cavity inner wall of the pressure supply cabinet far away from the top of the pressure supply pump is provided with a blowing mechanism, and the top of the pressure supply cabinet is provided with a spraying mechanism. A transmission mechanism is arranged between the blowing mechanism and the spraying mechanism, and heat dissipation holes are formed in the outer wall, away from the motor fixing base, of the pressure supply cabinet. By arranging the air blowing mechanism, the transmission mechanism and the spraying mechanism, the effect of adjusting the heat dissipation degree according to the temperature of the pressure supply pump is achieved, when the temperature is too high, the heat dissipation effect is improved by increasing the rotating speed of rotating fan blades and spraying water to the surface of the pressure supply pump for cooling, and when the temperature is reduced, the spraying mechanism is automatically closed, and the cooling effect is improved. And meanwhile, the rotating speed of the rotating fan blades is reduced, so that the intelligent heat dissipation function is achieved.