13results about How to "Consistent particle size" patented technology

The invention discloses biomass particle fuel dehydration and carbonization equipment, and relates to the technical field of biomass particle production, the biomass particle fuel dehydration and carbonization equipment comprises a cylinder, a primary screening disc is fixedly mounted at the upper part of the cylinder, a plurality of screening holes are formed in the middle of the primary screening disc, an annular slide way is formed in the inner side wall of the primary screening disc, a screen is fixedly mounted at the lower part of the cylinder, and a plurality of screening holes are formed in the primary screening disc. The bottom of the barrel is rotatably connected with a rotating shaft, the bottom of the barrel is further fixedly provided with a motor, an output shaft of the motor penetrates through the barrel and is fixedly connected with the bottom of the rotating shaft, and the upper portion of the rotating shaft is sequentially provided with a smashing assembly, a propelling assembly and a scraping assembly from top to bottom. The biomass pellet fuel can be processed into qualified biomass pellet fuel with consistent particle size.

The utility model discloses an aquaculture feed nutritional ingredient detection analyzer which comprises an installation base, a vibration assembly is arranged at the top of the installation base, a discharging plate is arranged at the top of the installation base through the vibration assembly, and fixing plates are fixedly arranged on the front side and the rear side of the discharging plate. A screen is fixedly arranged between the opposite faces of the fixing plates. The aquaculture feed is screened by the screen mesh, so that the particle sizes of detected aquaculture feed particles are kept consistent, meanwhile, the screened aquaculture feed is subjected to vibration discharging by the discharging plate, so that the aquaculture feed uniformly falls onto the conveying assembly, and the aquaculture feed is detected by the detection assembly; the influence on the accuracy of the detected sample caused by the drifting of the spectrum base line of the feed sample due to stacking is avoided, the accurate analysis on the content of each component due to the mutual overlapping interference of absorption peaks is avoided, and the influence on the accuracy of the final detected sample due to different particle sizes is avoided.

This invention relates to the field of asphalt recycling technology, and more particularly to a waste incineration ash modified asphalt pavement paving machine with a recycling structure. The machine includes a body, a screening box mounted on the top of the body, a crushing chamber fixed to the top of the screening box, a hot air blower mounted on the side wall of the crushing chamber, an air supply pipe connected to the output end of the hot air blower, an electric heating plate mounted on the inner wall of the crushing chamber, a rotating shaft A rotating inside the crushing chamber, a crushing roller mounted on the outer wall of the rotating shaft A, and a crushing mechanism inside the screening box. This invention uses the hot air blower to supply hot air to the crushing chamber through the air supply pipe, preheating the asphalt and energizing the electric heating plate, resulting in a higher temperature inside the screening box than inside the crushing chamber. This makes the heating process of the asphalt more uniform and gentle, avoiding rapid heating that could lead to asphalt aging and ensuring the quality of asphalt recycling.

The utility model discloses novel organic fertilizer mixing equipment which comprises a coarse stirring box structure, a fine mixing box is fixedly connected to the surface of the bottom end of the coarse stirring box structure, a fixed stabilizing frame is fixedly connected to the surface of the fine mixing box, and a discharging control base is fixedly connected to the surface of the fixed stabilizing frame. According to the novel organic fertilizer mixing equipment disclosed by the utility model, the coarse mixing box structure and the fine mixing box structure are arranged, so that materials are fully mixed and stirred, the materials are fully mixed, and meanwhile, after coarse and fine stirring, the particles of the materials are kept consistent in size, so that the materials are uniformly mixed, and the mixing efficiency is improved. By arranging the fixed stabilizing frame and the discharging control base, the stability of the device is improved, shaking of the machine is reduced, meanwhile, materials can be rapidly discharged, the situation that machine operation is affected due to accumulation at an outlet is prevented, and by arranging the conveying frame structure, the conveying efficiency is improved, the working links of workers are reduced, labor force is reduced, and productivity is improved.

The utility model relates to the technical field of medicine crushers, and discloses a medicine crusher which comprises a fixing plate, two supporting plates are fixedly connected to the top of the fixing plate, and fixing rods are fixedly connected to the side faces of the two supporting plates. According to the medicine crusher, through the arrangement of the medicine crushing assembly and the storage assembly, when the medicine crusher is used, a person puts tablets into a groove of a medicine containing plate, then limiting rods are used for limiting and fixing medicine crushing blades, finally a fixing cover is closed to crush the tablets, and the person can conveniently adjust the number and position of the medicine crushing blades according to needs through matched use of limiting plates and the limiting rods; the medicine crusher is suitable for different treatment scenes and requirements of patients, meanwhile, it can be ensured that the size and uniformity of medicine particles meet the requirements, the solubility and absorbability of medicine are improved, the storage box provides extra space, and therefore people can place common medicine or medicine crusher accessories in the fixing plate, storage and taking are convenient, and the practicability is high. Meanwhile, pollution or medicine failure caused by the fact that the medicine makes contact with external objects can be avoided.

The invention discloses a method for carrying out cadmium selenide quantum dot surface ligand exchange in a microfluidic reactor, which comprises the following steps: uniformly mixing a cadmium precursor and a selenium precursor at room temperature to obtain a reaction liquid I, heating and synthesizing in the microfluidic reactor, and carrying out primary purification to obtain a cadmium selenide quantum dot surface ligand; dissolving the cadmium selenide quantum dots in 1-octadecene to obtain a cadmium selenide quantum dot solution, wherein the cadmium selenide quantum dots have various particle sizes and surface ligands of the cadmium selenide quantum dots are octadecyl phosphate; uniformly mixing a cadmium oleate precursor and the cadmium selenide quantum dot solution at room temperature to obtain a reaction solution II, heating in a microfluidic reactor to replace an n-octadecyl phosphate ligand with an oleic acid ligand, and purifying for the second time to obtain the cadmium selenide quantum dot with oleic acid as a surface ligand. Compared with the prior art, the method for achieving cadmium selenide quantum dot surface ligand exchange in the microfluidic reactor is provided for the first time, and a path is provided for achieving quantum dot ligand exchange automatically on a large scale.

The invention discloses a preparation method of cell-loaded alginate composite hydrogel microspheres with high cell activity, and belongs to the technical field of biology. The preparation method comprises the following steps: firstly, preparing water-in-oil alginate composite material micro-droplets, taking a thin film containing micron-sized pores as a carrier of the alginate composite material micro-droplets, diffusing metal ions in a solution below the film into the micro-droplets through the pores in the thin film, and gradually curing the droplets to form hydrogel microspheres; the method solves the problems of difficult and slow solidification and irregular form of alginate composite material micro-droplets; organic or inorganic acid is not used as a pH regulator in the in-situ curing process of the micro-droplets on the thin film, and acid toxicity cannot be generated on cells in the microspheres. The hydrogel microspheres can be applied to the fields of in-vitro organ models, three-dimensional cell culture and the like.

The present application relates to the technical field of phosphogypsum production, and specifically discloses a method for preparing phosphogypsum, comprising the following steps: step (1), feeding the phosphogypsum quantitatively into a drying device by a feeder for preliminary drying at 150-180°C for 5-25 minutes to reduce the moisture in the phosphogypsum; step (2), sending the preliminarily dried phosphogypsum into a ball mill for grinding, and sieving the ground phosphogypsum powder through a sieve with a mesh diameter of 5-150 μm; step (3), sending the phosphogypsum powder into a calcining furnace through a conveyor belt for calcination to obtain relatively pure phosphogypsum. The purpose of this patent is to solve the problem of phosphogypsum agglomeration when removing impurities from calcined phosphogypsum.

The invention discloses a beneficiation method for improving the utilization rate of rutile ore in leucite. The beneficiation method sequentially comprises the following procedures of ore grinding, green color separation, dry high-intensity magnetic separation of color separation concentrate obtained after low-intensity magnetic separation, and flotation of high-intensity magnetic separation tailings to obtain rutile concentrate. And low-intensity magnetic separation is also carried out in the color sorting process. According to the method, most of the omphacite is roughly separated out through color separation, then the rough omphacite ore is further separated subsequently, color separation concentrate is further separated, the method is not like the prior art that the omphacite is separated out through gravity separation, and the method is not like the prior art that raw ore needs to be wetted in the gravity separation procedure; therefore, selection and design of subsequent processing procedures are almost not limited. The design of a sorting scheme can be simplified, and the sorting difficulty is reduced; magnetic separation is carried out while color separation is carried out, the technological process can be greatly simplified, the separation efficiency is improved, and energy consumption is also reduced; the separation and enrichment process can be simplified, the cost is low, and the method is simple and easy to implement.

The utility model relates to the field of garbage crushing devices, in particular to a garbage crushing device for the construction industry, and aims to solve the technical problems that an existing construction garbage single-time crushing device is low in crushing degree and poor in crushing effect. According to the technical scheme, the garbage crushing device for the construction industry comprises a crushing bin, a feeding port, a discharging port, a crushing unit, a horizontal conveying belt, a circulating conveying belt, a vertical feeding mechanism, a material blocking mechanism and a grinding module; on the basis of the original construction waste one-time crushing equipment, the construction waste is crushed for multiple times by utilizing the linkage operation of the horizontal conveying belt, the circulating conveying belt and the vertical feeding mechanism, so that the final crushing effect of the construction waste is greatly improved, the particle size of the crushed construction waste is basically consistent, and the construction waste crushing efficiency is improved. The construction waste single-time crushing device is beneficial to recycling of construction waste, and the problems that an existing construction waste single-time crushing device is low in crushing degree and poor in crushing effect are solved.

This utility model discloses an injection molding device for producing plastic products, relating to the field of injection molding technology. The utility model includes an injection molding machine, and further includes: a feeding section mounted on the injection molding machine; a crushing section mounted on the feeding section; the feeding section includes a screening component mounted on the injection molding machine; and a hinged component disposed on the injection molding machine; the screening component includes a feeding hopper fixedly connected to the top of the injection molding machine, the bottom of which is connected to a feeding pipe. This utility model, by setting up a feeding section, solves the problem that existing injection molding devices often fail to ensure uniformity of raw material particles entering the injection molding machine, leading to uneven heating and insufficient melting of the raw material during subsequent plasticizing, ultimately causing defects such as bubbles, shrinkage cavities, and dimensional deviations in the injection molded products, significantly reducing product molding quality.

The invention relates to the technical field of natural material extraction, in particular to an extraction method of antibacterial thuja sutchuenensis rhinitis drops, which is characterized by comprising the following steps: S1, raw material pretreatment: selecting fresh and dry thuja sutchuenensis branches and leaves, cleaning, drying, and crushing the dried thuja sutchuenensis branches and leaves into 80-120-mesh powder; s2, extraction treatment of thuja sutchuenensis: step 1, low-temperature ultrasonic-assisted extraction: using a mixed solution of ethanol with the volume fraction of 70% and water as an extraction solvent; ultrasonic conditions are as follows: mixing thuja sutchuenensis powder and a solvent in a ratio of 1: 8, setting ultrasonic power to be 300 specific W, controlling the temperature to be 30 DEG C, and controlling the extraction time to be 40 minutes; filtering: filtering the extracting solution, and removing residues to obtain a first extracting solution; step 2, enzymolysis extraction: selecting an enzyme preparation: selecting a compound enzyme of cellulase and pectinase; through the combination of low-temperature ultrasonic-assisted extraction, enzymolysis extraction, molecular sieving and other processes, the high purity of effective components is ensured, and the antibacterial effect is improved.

The invention relates to an automatic feeding and stirring control system for slurry production, and belongs to the technical field of slurry kneading. The system comprises a stirring barrel and a stirrer, a feeding mechanism is arranged on one side of the stirring barrel, the system further comprises a controller used for regulating and controlling the working state of the stirrer, a coupling assembly arranged between the stirring barrel and the stirrer, and a driving mechanism used for driving the coupling assembly to couple and decouple the stirring barrel and the stirrer, the positioning piece is used for fixing the posture of the stirring barrel. According to the invention, slurry can be automatically fed, the production efficiency is improved, the stirrer and the stirring barrel are controlled to be coupled or decoupled through the coupling assembly, the posture of the inclined stirring barrel is fixed through the positioning piece, and after the stirring barrel is inclined, a feeding station can be lowered, a material receiving station can be raised, and raised dust can be reduced; during feeding, the stirrer is decoupled and guides the materials into the stirring barrel, so that the production efficiency of the slurry is further improved.