3667 results about "Centrifuge" patented technology

The invention relates to the technical field of fault prediction, in particular to a centrifuge fault prediction system based on machine learning, which comprises a data channel synchronization module, a multi-dimensional feature extraction module, a state evolution index construction module, a trend aggregation trajectory recognition module and a fault section recognition module. According to the method, different types of data are synchronously aligned by a multi-channel signal segmentation processing mechanism based on a periodic state, a state evolution sequence is constructed in combination with a unified sampling structure based on a time scale, a state characteristic track is established through a multi-dimensional parameter set, a trend change index is constructed by means of a difference root-mean-square between adjacent states, and the state evolution sequence is analyzed. According to the method, the aggregation section is recognized and the trajectory deviation frequency is counted by utilizing continuous trend mutation, so that dynamic migration of the trajectory boundary and intelligent recognition of the fault section are realized, the boundary failure problem caused by static preset conditions is avoided, and the continuous prediction stability of long-period equipment and the application range under a non-standard working condition are effectively enhanced.

The invention belongs to the technical field of centrifugal fan fault prediction, and provides a centrifugal fan fault trend prediction method based on multi-source information fusion, and the method comprises the following steps: in the operation process of a centrifugal fan, capturing the change trend of data distribution through multi-source data monitoring and statistical property analysis; and whether data non-stationary change of the centrifugal machine is caused by equipment aging is identified. Based on a time and space two-dimensional comparison analysis framework, physical mechanism verification is combined, suspicious aging features are locked by calculating relative deviation and aging trend index quantitative indexes, and then an average correlation coefficient and trend consistency are utilized to construct a correlation consistency index to verify feature reliability, so that the method has the capability of positioning a specific aging part, and the reliability of the aging part is improved. The problem of misjudgment caused by sensor faults or environmental interference in traditional fault diagnosis is optimized, the accuracy of aged part recognition is improved, and a clear object is provided for targeted maintenance.

The invention discloses automatic centrifugal casting equipment and a casting process, and relates to the technical field of metal casting equipment, the automatic centrifugal casting equipment comprises a centrifugal machine, a mold, an automatic mold loading and unloading device, a casting device and a control device, the centrifugal machine is a horizontal centrifugal machine, and the mold is composed of an outer mold and an inner mold; the automatic mold loading and unloading device comprises a mold pushing device, an inner mold loading and unloading device and an inner mold separating device; a clamping jaw of the inner mold assembling and disassembling device is connected with the inner mold through an inner mold lock, the inner mold assembling and disassembling device automatically achieves unlocking and locking of the inner mold lock, the inner mold and the outer mold are automatically locked or unlocked, the inner mold assembling and disassembling device is separated from the inner mold in the casting process, and the situation that the working performance of the centrifugal machine is affected by external force is avoided; the device has the advantages of high production efficiency, reliable work, long service life and the like.

The invention relates to the technical field of centrifugal machine PID control, in particular to a centrifugal machine control method and system for soybean protein production. Obtaining time sequence data of the rotating speed and the torque of the centrifugal machine, analyzing data differences and fluctuation trends, calculating abnormal indexes of state parameters at all moments, accurately identifying abnormal data points and abnormal moments, and positioning rotating speed sudden change key nodes; determining an abnormal time period based on the time sequence characteristic of the abnormal moment, analyzing the relation between the rotating speed and the torque, the similarity of abnormal indexes and the rotating speed fluctuation characteristic in the time period, quantifying the dynamic relation between the two, and formulating an adjustment index; aiming at the problem of control lag caused by fixed parameters of the traditional PID, the PID parameters are dynamically adjusted by combining the abnormal index difference of the rotating speed and the torque at the current moment and the adjustment index determined in the early stage, so that the control strategy is adaptively optimized along with the change of the working condition, and finally, the stable, efficient and accurate control on the rotating speed of the centrifugal machine is realized.

The invention discloses a space variable gravity fluid storage tank in-orbit motion simulation experiment device in the technical field of space in-orbit fluid management, and the device comprises an experiment storage tank which is used for storing experiment fluid; the experiment storage box is transparent, so that a gas-liquid interface in the storage box can be observed outside the experiment storage box; the rotating mechanism is used for driving the experiment storage box to rotate so as to adjust the included angle between the experiment storage box and the centrifugal acceleration direction of the variable-gravity centrifugal platform and simulate the morphology change of a gas-liquid interface during rotating motion; the vibration mechanism is used for driving the experiment storage tank and the rotating mechanism to simultaneously perform linear reciprocating motion so as to apply translation and low-frequency vibration disturbance to the experiment storage tank and simulate the gas-liquid interface morphology change and instability phenomenon in the process that the gas-liquid interface is disturbed by external force; the experiment storage box, the rotating mechanism and the vibrating mechanism are all installed on the variable-gravity centrifugal platform.

The invention discloses an L-shaped wind wave flow-earthquake simulation system and method suitable for a high gravity field, the simulation system comprises a model box, a wind generation system, an L-shaped wave generation system, a flow generation system and a vibration seabed model, and the model box is used for accommodating and installing each system and is arranged on a rotating arm of a centrifugal machine in an up-and-down swinging manner; the wind generation system is used for forming horizontal airflow circulation, the L-shaped wave generation system is used for generating waves, the flow generation system is used for generating flow, and the vibration seabed model is used for researching interaction between a maritime work structure and seabed soil under various sea conditions. The simulation system can reproduce sea wind, wave, ocean current and earthquake scenes in a high gravity field.

The invention discloses a precise control method and system for centrifugal machine parameters of a tubular pile centrifugal process, and relates to the technical field of tubular pile production processes. Comprising the following steps that centrifugal machine parameters in historical production and strength data of produced pipe piles are obtained, the centrifugal machine parameters comprise the centrifugal machine rotating speed, the centrifugal time and the vibration frequency parameter, and a training sample set is generated; establishing a tubular pile strength prediction model, taking the data in the training sample set as input, and taking the tubular pile strength as a label to train the prediction model; real-time centrifugal machine parameters are input into the model, if the production predicted strength data are larger than or equal to the required strength, the current centrifugal machine parameters are kept, and if the production predicted strength data are smaller than the required strength, the centrifugal machine parameters are corrected based on the compactness and the resonance frequency of the pipe pile, and corrected parameters of the centrifugal machine are obtained; and outputting correction parameters of the centrifugal machine to accurately control the centrifugal machine.

A solid-jacket screw centrifuge (1) for processing a suspension Su in a centrifugal field with a frame (100) and a rotor (200) rotatably mounted in the frame (100), which has at least the following features: a) a rotatable drum (210) with axis of rotation (D), wherein the drum (210) has a cylindrical section (211) and a conical section (212), b) a feed pipe (217) projecting into the drum (210) and arranged concentrically to the axis of rotation D, through which the suspension Su to be processed can be directed into a separation chamber (219) of the drum (210), c) at least one liquid drain (214), d) at least one solid discharge (216), , e) a screw (230) arranged in the drum (210) which is rotatable relative to the rotatable drum (210) at a differential speed, f) wherein a bearing and drive system (250) of the rotor (200) comprises at least one rotor unit (251a, 252a), a first magnetic bearing unit (251) and a second magnetic bearing unit (252), wherein the first magnetic bearing unit (251) provides a radially and axially acting levitronic bearing for the drum (210) and the second magnetic bearing unit (252) provides a radially and axially acting levitronic bearing for the screw (230), g) wherein at least the worm (230) is mounted in the drum (210) in a sliding and rotatable manner relative to it, and h) wherein at least the drum (210), the screw (230) and the inlet and outlet system (217, 214, 216) are each made entirely or predominantly of a non-magnetic material, in particular of plastic and / or a plastic composite material and / or of titanium.

The invention relates to the technical field of intelligent control, and discloses a centrifugal machine and a control system thereof, and the system comprises an acquisition unit which acquires feeding data to determine an inner centrifugal speed and an inner and outer centrifugal speed difference; the judging unit is used for collecting solid discharging data within preset time and judging whether the centrifugal effect of the shot blasting medium is qualified or not according to the solid discharging data; if not, waste liquid discharge data and the surface pressure of the spiral blade are collected, and whether high-pressure gas is opened or not is judged; when it is judged that centrifugation is unqualified, the processing unit collects temperature data and vibration data in the centrifugal machine to determine real-time characteristic factors, the real-time characteristic factors are compared with historical adjustment data to determine adjustment coefficients, and the inner centrifugal speed is adjusted; the correction unit collects second solid discharging data running at the adjusted inner centrifugal speed and judges whether the adjustment coefficient is corrected or not; the storage unit stores the real-time feature factors and the adjustment coefficients. The stability, the separation effect and the adaptability of the centrifugal machine are improved, and the requirement for manual intervention is lowered.

Disclosed in the present invention are high-rise pile cap equipment under a horizontal load and a centrifuge test method for foundation bearing characteristics thereof. The equipment comprises a model box, a sand layer, a model pile cap, at least eight model piles, a horizontal loading device, at least two laser displacement sensors, an axial force sensor, and a plurality of strain gauges. The method comprises: S1, performing one-way horizontal loading on high-rise pile cap equipment under a horizontal load to obtain an ultimate foundation bearing capacity situation, a model pile body axial force distribution situation, a pile foundation axial force comparison situation, a model pile body bending moment distribution situation, and a model pile body bending moment comparison situation of the equipment; and S2, performing one-way variable amplitude cyclic loading on the high-rise pile cap equipment under the horizontal load to obtain a foundation displacement situation, an effect of the number of cycles on foundation stiffness, an effect of a cyclic load amplitude on the foundation stiffness, and a foundation inclination situation. In this way, the foundation design of the high-rise pile cap can be optimized, and a basis and a reference for evaluating safety of foundation long-term service are provided.

The invention discloses an anti-blocking peek extruder, and belongs to the technical field of plastic processing, the anti-blocking peek extruder comprises an extrusion cylinder, a main shaft and a driving mechanism, the right side of the extrusion cylinder is provided with an extrusion nozzle, the left side of the extrusion cylinder is provided with a linkage mechanism, and the extrusion cylinder is internally provided with a centrifugal mechanism and an electromagnetic heating mechanism. Through the synergistic effect of the linkage mechanism and the driving mechanism, dynamic sensing and self-adaptive adjustment of resistance in the extrusion process are achieved, the technical problem that a high-viscosity PEEK material is prone to blockage is effectively solved, the driving mechanism transmits power through meshing of a limiting groove and a limiting strip, heating power is automatically triggered to be increased when the resistance is increased, and the heating efficiency is improved. The melt flowability is ensured; the electromagnetic heating mechanism generates eddy current heating through relative movement of a permanent magnet and a coil, and the heating effect during high-speed extrusion is remarkably improved; the homogenizing mechanism monitors the material compaction degree in real time through a pressure sensor, the feeding speed is intelligently adjusted, and hollowing or overpressure blockage is avoided.

The invention discloses a high-throughput preparation method of an alloy material based on centrifugal supergravity solidification. The method comprises the steps that alloy raw materials are put into a smelting furnace to be subjected to vacuum smelting and pouring, and a cast ingot is obtained; the cast ingot is sequentially subjected to linear cutting, mechanical grinding, ultrasonic cleaning and constant-temperature drying, and an alloy original material of the super-gravity prepared alloy is prepared; processing the original alloy material into a block cast ingot and putting the block cast ingot into a crucible; placing the crucible in a centrifugal supergravity casting furnace; carrying out supergravity solidification on the block cast ingot in the crucible by utilizing a centrifugal machine and a centrifugal supergravity casting furnace; and finally taking out the block cast ingot to obtain a solidified alloy sample. The device is simple in structure, easy to operate and high in safety coefficient, and alloy samples with alloy components and microstructures in gradient distribution in the supergravity direction can be obtained.

The invention discloses filtering equipment for barreled water production treatment, and relates to the technical field of barreled water production treatment, the filtering equipment comprises a mounting rack and a purified water collecting mechanism, the purified water collecting mechanism comprises a water collecting cylinder, and the water collecting cylinder is fixedly mounted in the mounting rack through bolts; the centrifugal mechanism comprises a centrifugal barrel and a rotating shaft, the centrifugal barrel is movably arranged in the middle of the interior of the water collecting barrel, and the rotating shaft is movably arranged in the middle of the interior of the centrifugal barrel; and the dirt scraping mechanism comprises a plurality of limiting strips and a lower dirt scraping plate, and the limiting strips are uniformly and fixedly mounted at the top end of the rotating shaft through welding. By driving the centrifugal cylinder to rotate at a high speed, solid waste such as silt in raw water is isolated in the centrifugal cylinder, purified water is sucked through the filter rod, then the filter rod is extruded through the water scraping plate when the centrifugal cylinder rotates, the purified water sucked in the filter rod is rapidly discharged, and the filtering efficiency of barreled water in the production process is improved.

The invention discloses a centrifugal system adaptive to bottom extraction, and relates to the technical field of solid-liquid separation, and the centrifugal system adaptive to bottom extraction is characterized by comprising a centrifugal machine main body, a rotating drum is arranged in the centrifugal machine main body, and a bottom extraction device is arranged at the bottom of the rotating drum; the dynamic sealing structure is arranged between the bottom extraction device and the rotary drum and used for keeping the sealing performance in the centrifugal process and preventing material leakage; the modular interface is connected with the bottom extraction device and the material collection container, so that quick replacement and adaptation to components of different specifications are facilitated; and the automatic control system comprises a sensor module, a PLC (Programmable Logic Controller) and a remote monitoring module, and is used for monitoring parameters including the rotating speed, the temperature and the pressure in the centrifugal process in real time and realizing automatic control.

The invention relates to the technical field of data processing, in particular to a centrifugal machine state online monitoring method and system. The method comprises the steps of collecting vibration data, temperature data and coal dehydration granularity data, obtaining the abrupt change degree of the vibration data of each vibration sensor at a feeding port and a discharging port of a screen basket at each moment, obtaining the vibration abnormity score in the operation process of the screen basket based on the abrupt change degree of the vibration data, and calculating the coal dehydration granularity according to the vibration abnormity score. Obtaining the temperature anomaly degree at each moment in the operation process of the screen basket, and obtaining the temperature anomaly score in the operation process of the screen basket based on the temperature anomaly degree; the particle size abnormal score in the operation process of the screen basket is obtained, the abnormal degree of operation of the screen basket is obtained according to the particle size abnormal score, the temperature abnormal score and the vibration abnormal score in the operation process of the screen basket, the abnormal operation state of the screen basket is judged according to the abnormal degree, and the accuracy of detection of the operation state of the screen basket of the centrifugal machine is improved.

The utility model relates to the technical field of solid-liquid separation equipment, and discloses a horizontal screw centrifuge with an adjustable blade angle, which comprises a barrel body, a rotary drum is arranged in the barrel body, one side of the rotary drum is fixedly connected with a dehydration section, the dehydration section and the far side of the outer wall of the rotary drum are respectively and rotatably connected to the two sides of the interior of the barrel body, and the rotary drum is fixedly connected with the dehydration section. An auger is fixedly connected to the outer side of the dewatering section, blades are fixedly connected to one end of a supporting rod, a first bevel gear is fixedly connected to the other end of the supporting rod, a rotating shaft is rotationally connected to the middle of the rotating drum, a second bevel gear is fixedly connected to the outer wall of the rotating shaft, and a pressing plate is fixedly connected to the other side of the rotating drum; and the rotating shaft is rotationally connected with the pressing plate. According to the utility model, the second bevel gear and the first bevel gear can be driven to rotate by rotating the rotating shaft, so that the supporting rod and the blades are driven to rotate, the purpose of adjusting the angles of the blades is achieved, the purpose of adapting to proper acting force can be achieved, and the service life is prolonged.

The invention relates to the technical field of wafer processing, one embodiment of the invention provides a multi-specification wafer spin-drying device which comprises an equipment body and a centrifugal mechanism, a spin-drying cavity is formed in the equipment body, the centrifugal mechanism is arranged in the spin-drying cavity, a cylinder cover used for opening and closing the spin-drying cavity is installed on the equipment body, and the centrifugal mechanism is arranged in the spin-drying cavity. The device further comprises a liquid falling plate, a sliding plate, a heating assembly, a hot air mechanism and a drainage mechanism, the liquid falling plate is fixedly connected to the interior of the spin-drying cavity, the sliding plate is fixedly connected to the interior of the spin-drying cavity, the heating assembly is used for heating the interior of the spin-drying cavity, and the hot air mechanism is used for being matched with the heating assembly to blow hot air into the spin-drying cavity. And the drainage mechanism is used for discharging the cleaning agent sliding down along the sliding plate in time. By means of the technical scheme, the technical problem that in the prior art, a cavity in a spin-drying device is in a wet high-pressure environment under the action of hot air and a thrown-out cleaning agent, and spin-drying of wafers is not convenient is solved.

The invention discloses rapid extraction equipment for cell collection and a use method of the rapid extraction equipment, and belongs to the technical field of cell collection and extraction.The rapid extraction equipment is characterized in that a sample is sucked into a turnover cylinder, a sliding plate is supported through elasticity of a second spring, a sealing seat can be tightly attached to a conical groove, and a liquid inlet pipe is automatically blocked to prevent backflow of the sample; the piston column moves downwards so that samples can enter the guide pipes through the one-way valves, the one-way valves can prevent the samples from flowing back into the turnover cylinder, the multiple one-way valves communicate with the turnover cylinder, in the downward pressing process of the piston column, filling can be conducted on the multiple centrifugal tubes at the same time, and the samples in the turnover cylinder are divided through the multiple guide pipes; therefore, the quantitative sampling and extracting work can be conveniently and rapidly completed by collecting the total amount of the sample at a time and then distributing the sample into the multiple centrifugal tubes, the sample in the turnover cylinder does not flow back, and cross contamination is prevented.

The invention discloses a method for preparing a sintered neodymium-iron-boron magnet by graded recovery of neodymium-iron-boron oil sludge waste, which comprises the following steps of: 1, wet-grinding, screening, centrifuging and drying the oil sludge waste to obtain coarse oil sludge and fine oil sludge; 2, carrying out vacuum degreasing and hydrogen reduction on the coarse and fine oil sludge to obtain a coarse and fine hydrogen reduction phase; 3, performing element adjustment on the hydrogen reduction phases of the coarse powder and the fine powder, mixing with a reducing agent and fused salt, and performing reduction diffusion reaction to obtain recycled magnetic powder and rare earth-rich magnetic powder; and step 4, mixing the recycled magnetic powder and the rare earth-rich magnetic powder, and carrying out orientation compression and sintering to obtain the recycled magnet. According to the method, the oil sludge waste is subjected to wet grinding and screening to complete impurity removal, crushing and grading, the same technology is adopted, the recycled magnetic powder and the rare earth-rich magnetic powder are synchronously prepared, the rare earth-rich magnetic powder replaces a traditional rare earth-rich phase and is directly mixed with the recycled magnetic powder to be sintered, the recycled neodymium-iron-boron magnet is obtained, and the method is suitable for the technical field of rare earth permanent magnet waste recycling and reusing.

The invention relates to the field of uranium concentration, and discloses an energy-saving device and method for drying a first-batch centrifugal unit. According to the device, an inlet of a centrifugal machine is connected with an outlet of an evaporator through a pipeline provided with a fourth cooling valve and an eighth cooling valve and is connected to the secondary side of a cooling plate heat exchanger and the secondary side of a heating plate heat exchanger respectively; an outlet of the centrifugal machine is connected with an inlet of the evaporator through a sixth cold valve, a first cold valve and a second water pump. An inlet of the sixth cold valve is connected with the secondary side of the heat supply plate heat exchanger through a first water pump. The primary side of the cold supply plate heat exchanger is connected with a newly-built cooling tower loop, and the primary side of the heat supply plate heat exchanger, the condenser and the newly-built cooling tower form circulation. By optimizing system connection and a heat energy circulation path, the energy utilization efficiency and the equipment utilization rate are effectively improved, and the investment and operation cost is remarkably reduced.

The invention discloses an automatic sample adding and carrying centrifugal system which comprises a storage tank, a sample processing system, a turnover carrying shaft driving module, an in-tank carrying mechanism, a sample carrying mechanism and a control system, and the storage tank comprises a plurality of upper and lower interlayers used for storing sample turnover frames; the sample processing system is provided with a plurality of processing stations; the turnover carrying shaft driving module is integrally arranged on one side of the sample processing system in a horizontal straight line, and an automatic warehouse outlet is formed in one end, close to the storage warehouse, of the turnover carrying shaft driving module; the sample processing system further comprises a primary centrifugal machine and a secondary centrifugal machine which are arranged in the conveying direction of the turnover carrying shaft driving module. The in-warehouse carrying mechanism can carry the sample turnover frame back and forth between the storage warehouse and the automatic warehouse outlet; and the sample carrying mechanism can carry the sample back and forth between the waiting position of the turnover carrying shaft driving module and each processing station of the sample processing system. The device has the beneficial effects that the occupied space is reduced, and secondary centrifugation of the sample is realized.

The invention discloses high-dispersity modified gold paste mixing equipment for a thermal printing sheet and a process of the high-dispersity modified gold paste mixing equipment, and relates to the technical field of material mixing. Under tightening and clamping of inner and outer barrel walls, four groups of frustum-shaped stirring rods with downward big heads can be gradually folded inwards and block-shaped materials are positioned among the four stirring rods; the four inclined outer walls gradually extrude and push the agglomerated powder which cannot be scattered along with the folding, so that the agglomerated powder is gradually upwards jacked up by the four groups of stirring rods which are gradually drawn close, and the four groups of stirring rods simultaneously rotate and revolve, and the stirring outer barrel is higher than the separation inner barrel, so that the agglomerated powder is separated from the separation inner barrel. Therefore, caked powder or other foreign matters which are gradually jacked up can be gradually thrown into the separation inner cylinder under the action of rotary centrifugation, so that impurities and blocky powder which is difficult to scatter can be discharged through the separation inner cylinder in a self-adaptive manner, and the self-adaptive stirring device is simple and ingenious in structure, strong in functionality and suitable for mixing and stirring various materials.

The invention relates to a crank stroke type wave generation simulation mechanism in a supergravity environment and an implementation method, and relates to the field of supergravity field wave generation. The simulation mechanism comprises a wave making mechanism supporting seat, a driving module, a wave making device and a connecting module; the driving module is arranged above the wave making mechanism supporting seat, the wave making device is arranged below the wave making mechanism supporting seat, the upper end and the lower end of the connecting module are directly connected with the driving module and the wave making device respectively, and circular motion is converted into linear motion. The implementation method comprises the following steps: determining a test model rate, a model water depth, a wave making plate draught depth, a stroke and an actuation frequency according to a simulated target wave height; placing a model, arranging a wave making simulation mechanism and a monitoring instrument, and injecting water; starting a centrifugal machine and a hydraulic motor; and observing, recording and checking the wave form. The structure feasibility is higher, driving control is easy, high-frequency and large-stroke circulating reciprocating motion can be achieved in the supergravity environment, and the maximum wave height is increased to 10 m.

The invention relates to the field of medicine screening, in particular to an automatic medicine centrifugal screening machine and a screening method.The screening machine comprises a centrifugal barrel and a separation barrel, a centrifugal mechanism is installed on the centrifugal barrel, and a centrifugal part is installed at the bottom of the centrifugal mechanism and used for achieving centrifugal movement of medicine particles; a backflow part is mounted at the top of the centrifugal part and used for adjusting wind power for blowing medicine particles; an air inlet mechanism is mounted at the bottom of the centrifugal part and is used for conveying external air into the separation barrel; a detection part is mounted on the side surface of the separation cylinder and is used for detecting granularity data of medicines falling into the separation cylinder; by detecting the separation condition of medicine particles in real time and adjusting the wind power and the wind direction for blowing the medicine, automatic multi-stage separation of the medicine is achieved, use of a screen is avoided, the production cost is reduced, continuous and automatic operation is achieved, and the production efficiency is improved.

The invention discloses an expansive soil roadbed centrifugal model test device and a test method thereof, and belongs to the technical field of expansive soil roadbed tests.The expansive soil roadbed centrifugal model test device comprises a geotechnical centrifuge, a model box, a dry-wet circulation system and a data collecting and monitoring system; n g centrifugal accelerations are applied to the expansive soil roadbed model by arranging a geotechnical centrifuge, the deadweight required by the proportion reduction of the expansive soil roadbed model is compensated, and the gravity field of the real condition of the expansive soil roadbed is simulated; due to the arrangement of the dry-wet circulation system, the humidity change of the expansive soil roadbed model is simulated to the maximum extent under the condition that the geotechnical centrifuge is not shut down; various sensors are arranged in the data collecting and monitoring system, important test data are monitored in real time, the deformation process of the expansive soil roadbed is convenient to analyze, and the problem that test results are likely to be distorted when test research is conducted on the expansive soil roadbed in a normal gravity environment is solved.

The invention belongs to the technical field of emulsified asphalt recovery devices, and particularly relates to an emulsifying and separating device for waste asphalt regeneration, which comprises a base plate, and a crushing mechanism, an emulsifying mechanism and a centrifugal machine are sequentially arranged on the base plate; a discharge port of the crushing mechanism is communicated with a feed port of the emulsifying mechanism, and a discharge end of the emulsifying mechanism is communicated with the centrifugal machine; the crushing mechanism comprises a crushing box, and the crushing box is sequentially provided with a feeding hopper, a crushing assembly, a smashing assembly and a screening assembly from top to bottom. The emulsifying mechanism comprises a mixing box, a heating unit is arranged on the mixing box, a first stirring assembly and a second stirring assembly are arranged in the mixing box, a driving part is further arranged on the mixing box, and the first stirring assembly and the second stirring assembly are both in transmission fit with the driving part. According to the method, a middle conveying belt conveying link is omitted, the energy consumption and the cost are reduced, resource utilization of the waste asphalt is realized, and remarkable economic benefits are brought to enterprises.

The present invention belongs to the technical field of agricultural planting, and in particular to a cold resistance test method for black wolfberry branches and a centrifuge thereof. The present invention provides a cold resistance test method for black wolfberry branches, comprising: S1: sampling, taking branches with a diameter of about 0.5-0.6 cm and uniform thickness, pruning and sealing; S2: pre-treating the sample, cleaning the stains outside the sample and refrigerating for standby use; S3: low-temperature treatment of the sample, placing the sample in a low-temperature program-controlled container, processing the temperature gradient setting, and maintaining the low temperature for a certain period of time, and then heating the sample; S4: obtaining a supernatant, adding an extract to the sample quantitatively, grinding it into a homogenate, placing the homogenate in a centrifuge for centrifugal separation, and taking a supernatant; S5: determining the MDA content of the supernatant.

The utility model relates to the technical field of food safety detection, in particular to a one-stop food detection pretreatment test bench which comprises a fuming cupboard, the inner side of the fuming cupboard is fixedly connected with a moving seat and a sample introduction module, the inner side of the fuming cupboard is movably connected with a turntable, the inner side of the fuming cupboard is provided with a centrifugal machine, and the centrifugal machine is connected with a control module. A first manipulator and a second manipulator are arranged on the inner wall of the fuming cupboard, an air blowing assembly, an oscillator and a liquid adding assembly are arranged on the surface of the fuming cupboard, an incubator is slidably connected to the surface of the moving seat, and a protective door is movably connected to the surface of the incubator. According to the utility model, equipment required by detection is concentrated, so that the detection operation and the detection earlier stage treatment are facilitated, the efficiency is improved, samples are prevented from being polluted by the outside, the accuracy and the consistency of detection data are improved, and the labor intensity of detectors is reduced.

Centrifuge (1) for cleaning a reaction vessel unit (7) with a rotor (2) and a rotor chamber (9) in which the rotor (2) is arranged and rotatably mounted, wherein the rotor (2) has a receiving area (6) for receiving the reaction vessel unit (7), and the rotor chamber (9) is delimited by a housing (3), wherein the housing (3) has an outlet for discharging liquid discharged from the reaction vessels and is provided with an inlet for supplying the rotor chamber (9) with a cleaning solution such that the cleaning solution is distributed in the rotor chamber (9) by rotation of the rotor (2) through contact with the rotor (2), so that the rotor chamber (9) is cleaned, wherein the rotation axis (5) of the rotor (2) runs parallel to a base (16) and wherein the centrifuge has a control device which is designed such that - the rotor chamber (9) is filled with a cleaning solution at least to a level (43) such that when the rotor (2) rotates, it is at least partially immersed in the cleaning solution, - the rotor (2) is rotated, whereby the cleaning solution is distributed in the rotor chamber (9), and - the cleaning solution is removed from the rotor chamber (9).

The utility model discloses high-throughput cell sample integrated treatment equipment, which comprises an equipment cabin, a treatment flow control device and an equipment function module, the treatment flow control device is in signal connection with the equipment function module, the treatment flow control device is arranged outside the equipment cabin, and the equipment function module is in signal connection with the equipment cabin. The equipment function module is fixedly mounted in the equipment cabin; the equipment function module comprises a centrifugal mechanism, a perforated plate transfer mechanism, a multi-channel pipetting mechanism, a constant-temperature culture module, a sample treatment platform, a glass slide suction mechanical arm, a supporting mechanism, a glass slide bin and a dispersion chamber. According to the application, cycle synchronization, suspension, separation, fixation and dispersion of cells are automatically completed, functional modules in culture, harvesting and slide preparation links in a sample treatment process are highly integrated, a perforated plate is used for replacing a traditional centrifugal tube for sample treatment, batch harvesting of samples and slide preparation treatment are realized, and the production efficiency is improved. The sample treatment flux and the sample treatment efficiency are improved, and meanwhile, the sample treatment consistency is also improved.