42results about How to "Short crushing time" patented technology

A high-speed interlayer-shearing pulverizator for preparing nanoparticles is composed of high-speed motor, supporting frame, movable and fixed sealing plates, gas or liquid circulating pump, main cylinder, multi-hole static plates, multi-hole moving plates, oil sealing, feeding tank, discharging valve, etc.

The method of recovering plastic cellphone casing material belongs to the field of waste electronic product recovering and reusing technology, and aims at ensuring the pollution-less development of electronic industry. The plastic cellphone casing material recovering process includes the following steps: eliminating metal wires and brass parts from the casing, sorting into PC and PC+ABS, sand blasting to eliminate surface coating and adhered parts, crushing and sieving, gravitational sorting to separate metal from non-metal material, recovering metal material, cleaning non-metal material, adding small amount of assistant and extruding to pelletize or into plastic product. The method of the present invention has high production efficiency, high performance of the recovered material, low cost, and less pollution.

The invention belongs to the technical field of crushing, in particular discloses a chitin crushing method. The overspeed refrigeration is performed for selected chitin packaged in vacuum; the temperature of the overspeed refrigeration is in a range of -35 DEG C to -30 DEG C, and the time of the overspeed refrigeration is 5-10 min; and the chitin after the overspeed refrigeration can be crushed after being stored at the low temperature below -18 DEG C, or can be directly taken out from the package to be crushed in a frozen state. The method shortens the crushing time, enables crushed particles to achieve a powder state, cancels a procedure that in the prior art, crushed raw materials need to be dried before storage, optimizes the process flow, saves the energy consumption, and achieves high efficiency and speediness. Through the analysis and the test, the morphology, molecular structure, crystal structure and thermal property of the chitin are not obviously changed due to the low-temperature condition and mechanical effect of the crushing after and before the overspeed crushing; the dissolving property is prominently improved; and the application range is widened.

The invention belongs to the technical field of medicines and relates to a preparation method of paliperidone palmitate. The method disclosed by the invention comprises the step of precipitating paliperidone palmitate in a mixed solvent of dichloromethane and n-heptane. Paliperidone palmitate particles obtained by the invention are small in particle sizes, flaky, easy to homogenize and grind, andshort in grinding time, have little damage to instruments and equipments, and are short in crystallization time, high in yield and free of solvent residues and particularly suitable for needs of industrial production.

The invention belongs to the field of biomedical instruments and relates to a liquid nitrogen medium/low-temperature crusher for a biological sample. The liquid nitrogen medium/low-temperature crusher comprises a bottom plate, a limiting fork, a stand column, a lever, a sample cup, sample cup cover, a sample pressure head, a horseshoe-shaped cushion block and a pressurizing slider. A use method of the liquid nitrogen medium/low-temperature crusher comprises the steps of: placing the biological sample at the bottom of the sample cup, pouring liquid nitrogen, covering the sample cup cover, placing the sample pressure head into a hole in the center of the sample cup cover, meanwhile, placing the horseshoe-shaped cushion block so as to erect a circular disc shaped structure on the upper end of the sample pressure head on the horseshoe-shaped cushion block, suspending the sample pressure head in the liquid nitrogen to decrease the temperature of the sample pressure head, removing the horseshoe-shaped cushion block after the temperature of the sample pressure head is decreased, lowering the sample pressure head onto the biological sample, moving the sample cup, the sample cup cover and the sample pressure head to lean against the limiting fork on the bottom plate, and forcibly pressing the lever to transfer the pressure of the lever by the pressurizing slider on the lever to the biological sample in contact with the lower end of the sample pressure head via the sample pressure head, thereby crushing the low-temperature solid-state biological sample in the liquid nitrogen.

The invention discloses a fluidized-bed airflow pulverizing system. The fluidized-bed airflow pulverizing system comprises an air compressor, an air storage tank, an air freeze dryer, a fluidized-bed airflow pulverizer, a cyclone separator, a catcher and an induced draft fan which are connected through pipelines. The fluidized-bed airflow pulverizer comprises nozzles, a pulverizing chamber, a raw material inlet, a raw material outlet and a classification chamber. The fluidized-bed airflow pulverizing system has the beneficial effects of being short in pulverizing time, simple in structure, convenient to operate and maintain, small in occupied area and low in energy consumption.

The invention provides a solid dispersion method of celecoxib and a preparation method of celecoxib capsules, and the solid dispersion method comprises the following steps: mixing the celecoxib with pharmaceutical adjuvants to obtain raw and auxiliary material mixed powder, and carrying out ultramicro jet milling and/or mechanical milling on the raw and auxiliary material mixed powder, wherein thepharmaceutical adjuvants at least comprise lactose monohydrate and lauryl sodium sulfate. The solid dispersion method disclosed by the invention not only overcomes the characteristic of poor preparation of a celecoxib preparation, but also solves the problem of slow dissolution of the celecoxib, and the preparation is good in stability, so that the preparation is consistent with an original developed preparation (Celebrex) in prescription and dissolution, and the quality consistency and bioequivalence of the celecoxib preparation and the original developed preparation (Celebrex) are ensured.

The invention relates to the technical field of sludge waste utilization, and particularly relates to a preparation method of aluminum sludge ceramsite. The aluminum sludge ceramsite comprises following raw materials: electroplating sludge, aluminum sludge, iron oxide and fly ash. The preparation method comprises following steps: stirring raw materials by a stirrer, conveying the mixture into a granulator; then conveying the mixture into a dryer, conveying the ceramsite raw material into a rotary kiln for roasting; grading and screening by a closed screening machine; conveying waste materialsand ceramsite with a size smaller than the standard size to a crushing device by a closed conveyor; forcibly crushing the ceramsite by a crushing device, screening, conveying the powder to a mixed rawmaterial storage tank, weighing the powder by a gauge, and mixing the powder with the mixed raw materials. The wastes are reproduced and utilized, and the prepared ceramsite can be applied to roadbed materials, concrete aggregates and the like, and is wide in application range. The mixed material is formed and made into blocks; after the ceramic manufacturing, the broken ceramsite is crushed, conveyed and recycled by utilizing a crushing device, through advanced processing, the recycling rate of waste materials is increased, and the production benefit is further improved.

The invention discloses a technology of preparing a nanometer traditional Chinese medicine material by liquid-phase shear dispersion. According to the technology, a traditional Chinese medicine material is used as a raw material, and the nanometer traditional Chinese medicine material having a particle diameter of 50-300 nm is rapidly prepared by utilization of a high-shear dispersion smashing technology. The traditional Chinese medicine material can be prepared into solid nanoparticles and also can be prepared into nanometer traditional Chinese medicine suspension.

The invention relates to a crushing machine processing device, in particular to a spiral feeding type fine crushing machine. The crushing machine comprises a spiral machine barrel provided with a discharging opening, a feeding opening is formed in the upper portion of the spiral machine barrel, a gear motor is arranged at the back end and is fixedly connected with a spiral conveying shaft inside the spiral machine barrel, the spiral conveying shaft comprises a screw and a paddle wound around the screw, and at least a part of the paddle is located below the feeding opening; a guide head is further arranged at the end of the spiral conveying shaft, during matching, the screw and the paddle wound around the screw are arranged in a cylindrical inner cavity of a feeding section, and the guide head is arranged in the cylindrical inner cavity of a guide section; and a crushing device is further connected to the discharging opening and comprises a crushing cavity and a crushing cutter arranged in the crushing cavity. Constant-speed feeding can be guaranteed; and continuous feeding is carried out through the screw, and traditional feeding discontinuity is avoided. Dust flying at the feeding opening during transferring is avoided while spiral material transferring is carried out.

The invention belongs to the technical field of biochemical separation and purification, and relates to a preparation method of spirulina protein powder. The method comprises the following steps: firstly crushing spirulina powder, uniformly mixing the spirulina powder with 8 to 10 times of water, and then laying spirulina powder fluid into a high pressure homogenizer to perform homogenizing treatment on the fluid, so as to release spirulina protein subjected to wall breaking, pressing the spirulina protein subjected to wall breaking to form protein fluid, unfreezing and extracting the proteinfluid, laying the protein fluid to an air flotation separation and purification device to perform purity extraction, and finally drying the purified protein fluid, so as to obtain the spirulina protein powder. The method solves the problems of long process route, long extraction period, high energy consumption and low production efficiency of a preparation method of spirulina protein powder in theexisting prior.

The invention discloses an airflow crushing device of a fluidized bed. The device comprises a supporting base and a body. A grading cavity, a crushing cavity, a raw material feed inlet, a raw material discharging port, a compressed air annular pipe and high-pressure nozzles are arranged on the body. The compressed air annular pipe surrounds the body of the airflow crushing device of the fluidized bed and is connected with the high-pressure nozzles of the airflow crushing device of the fluidized bed through a guide pipe. The airflow crushing device has the advantages of being short in crushing time, simple in structure, low in noise and free of vibration, and is low in energy consumption. Compared with airflow grinding of other types, energy can be saved by one third.

The invention discloses a soybean milk machine. The soybean milk machine comprises a machine head and a barrel body, wherein a control circuit board and an electric motor are arranged in the machine head; the machine head comprises a machine head upper cover and a machine head lower cover; and the lower end of the electric motor transmission shaft of the electric motor extends out of the machine head lower cover and extends into the barrel body, and is provided with a pulping tool. The soybean milk machine is characterized in that: a spoiler is arranged between the machine head lower cover and the inner bottom of the barrel body; a spoiling space is formed in the spoiler; and the pulping tool 4 extends into the spoiling space. The spoiler is arranged between the machine head lower cover and the inner bottom of the barrel body, and comprises two or more spoiling plates and spoiling ribs which are connected to the lower ends of the plurality of spoiling plates. Both the spoiling plates and the spoiling ribs of the spoiler can perform spoiling function, after the spoiling effect is strengthened, the pulping effect is further improved, and the pulping time can be greatly shortened, so that the pulping time is short in the process of producing soybean milk, time and electricity are saved, and high-quality soybean milk with fine and smooth mouthfeel is produced.

The invention discloses a glass smashing device for emergent escape. The device comprises a cylindrical cover body and a cylindrical internal piece, wherein an opening is formed in one end of the cylindrical cover body, and the cylindrical internal piece is arranged in the cover body in a sliding mode. A nail point is arranged on the inner surface of the end portion of the cover body in a protruding mode. A through hole is formed in the position, corresponding to the nail point, of the internal piece. A nail component which can be abutted against the nail point position is arranged in the through hole. An inner flange is arranged at the tail end of the through hole. The glass smashing device for the emergent escape is small in size, light in weight, capable of being fixed on the surface of glass directly and short in smashing time, the glass can be smashed when the device beats the glass, and therefore the escape rate in emergency circumstances can be increased greatly.

The invention discloses a crusher for a titanium sponge. The crusher is mainly composed of a base, a machine body, driving shafts and gears and the like, wherein rotating shafts are arranged in the machine body through a swivel bearing arranged on the supporting plate, the rotating shafts are connected with the driving shafts through the gears, and the driving shafts are arranged on the supporting plate through a driving bearing arranged on the supporting plate; and the other end of the driving shafts is connected with a motor, each rotating shaft is provided with a main blade and an auxiliary blade in an interval manner, cutter teeth on the periphery of the main blades and the auxiliary blades are distributed by an involute curve, the main blades and the auxiliary blades are arranged in an interval manner, the diameter of each auxiliary blade is less than that of each main blade, and each main blade of the rotating shaft is connected and corresponding to each auxiliary blade on the other rotating shaft. The crusher provided by the invention has the advantages that the crush capacity is large, the efficiency is high, the crush time is short, the labor intensity is low, a product is not easy to become yellow, the crush granularity is easy to control, and the crusher is particularly suitable for automatic crush serial production lines.

The invention discloses a flow-concentrating cup for a soybean milk machine with improved structure. Based on the direction of use, the cup body is a T-shaped hollow cylinder with a diameter at the upper end greater than that at the lower end. On the surface, at least one through hole is provided on the annular joint surface. The present invention adopts a double-ring structure. The through hole on the annular joint surface and the lower end of the cup form a soymilk circulation channel, which greatly shortens the soymilk return path, so that the unit time The number of internal grinding and cutting is greatly increased, which makes the fine grinding efficiency of the soymilk machine high, the crushing time of the soymilk machine is short, and the pulp yield is high.