23 results about "Mechanical screening" patented technology

The utility model provides a kind of high-precision vibrating bolt screening equipment, belong to bolt screening technical field, including the preliminary screening vibration tank being obliquely arranged on rack, the inner wall of preliminary screening vibration tank is uniformly rotationally arranged with screen roller, synchronous rotating component that drives all adjacent screen roller to rotate in the same direction is arranged on rack, the blanking side of preliminary screening vibration tank is formed gradually narrow discharge slide by the baffle of fixed connection, the outlet of discharge slide is butt joint with the material guide chute being fixed on rack, adopt two-stage screening structure, size pre-screening is realized by screen roller spacing in preliminary screening, high-precision detection is carried out to bolt appearance, defect and other details by image recognition instrument in secondary screening, realize the automatic separation of qualified product and unqualified product in combination with rudder-driven secondary screening groove steering control, detection precision is much higher than traditional manual or single mechanical screening.

The application provides a magnesium-gadolinium binary alloy fuel powder and a preparation method and system thereof. The mass content of gadolinium in the magnesium-gadolinium binary alloy fuel powder is 6-30%, the density is 2.11-3.59 g / cm 3 , and the mass heat value is 20.01-24.06 kJ / g. The preparation method comprises the following steps: under the condition of argon positive pressure, melting the metal containing magnesium and gadolinium in a manganese steel crucible smelting furnace, conveying the obtained magnesium-gadolinium binary alloy liquid to a tightly coupled gas atomization tank for atomization through a stainless steel conveying pipe, and obtaining the magnesium-gadolinium binary alloy fuel powder after screening. The system comprises a smelting furnace, a tightly coupled gas atomization tank, a liquid conveying pipeline, a mechanical screening machine, an air flow sorting machine and a high-pressure argon tank. The application solves the phase segregation caused by the high density difference between magnesium and gadolinium in the magnesium-gadolinium alloy atomization powder preparation, and the safety problem caused by the volatility of magnesium, and the prepared magnesium-gadolinium alloy powder has a uniform metallographic structure and no serious segregation.

The utility model discloses a damping type wood fiber powder screening machine, which belongs to the technical field of fiber powder screening equipment and comprises a workbench, a vibrating frame is arranged at the top of the workbench, a fixing shaft is fixedly mounted in one end of the vibrating frame, connecting rods are hinged to two ends of the fixing shaft, and the connecting rods are connected with the vibrating frame. The rapid and efficient screening process is achieved, and compared with a traditional manual screening mode or a low-efficiency mechanical screening mode, a large amount of fiber powder can be treated within a short time, so that the production efficiency of the screening link is greatly improved, and the screening efficiency is improved. According to the screening machine, the screening plate can be effectively cleaned, maintained or replaced conveniently, the screening plate can be effectively prevented from loosening or shifting due to vibration through double fixing, and therefore the reliability of the whole screening machine is improved, impact of vibration force can be effectively buffered and absorbed, loosening, deformation or damage of equipment parts can be avoided, and the service life of the screening machine is prolonged.

The utility model relates to a cage type soil screening machine which is characterized by comprising a support, a box body installed on the support, a screen drum connected in the box body in a rotating mode, a driving assembly installed on the box body and used for driving the screen drum to rotate, a cover plate fixedly connected to the upper side of the box body, and a feeding pipe installed on one side of the box body. A discharging opening of the feeding pipe is correspondingly formed between the cover plate and the screen drum, and an air draft assembly is further installed on the box body and corresponds to the screen drum. The utility model has the advantages that the cage type screen drum and the cylinder structure with two open sides are adopted, the leakage holes are formed in the wall of the drum, the traditional screen is replaced, and meanwhile, the scraping plate is arranged on the lower side of the screen drum, so that the winding risk is reduced. Wind power is combined with the screen drum to strengthen the separation effect, the air draft assembly and the fan are connected with the air filter drum, the filter screen is arranged between the air draft assembly and the fan, directional airflow is generated, light straw is blown up and made to suspend or turn over in the screen drum, heavy soil, pebbles and other impurities fall down through the leakage holes, the synergistic effect of wind power and mechanical screening is achieved, and the impurity removal rate is increased.

The utility model relates to the technical field of particle separation, in particular to an activated carbon particle separation filter which comprises a spiral separation tower, a multi-stage filtering assembly and a pneumatic circulation system, a storage hopper is fixedly installed at the top of the spiral separation tower, and a conical barrel is fixedly installed in the spiral separation tower. A material guide cone is arranged in the conical barrel, and a spiral flow guide plate is fixedly installed on the outer wall of the material guide cone. According to the utility model, the defects in the prior art are overcome, fine particles in activated carbon particles can be brought into the cone of the cyclone separator by upflow formed in the conical barrel after the fan is started, and coarse particles overcome the airflow resistance to fall into the third filter bin; and medium particles can be pre-sorted when passing through the first screen and the second screen, and the sorting efficiency is greatly improved in combination with three mechanisms of gravity settling, pneumatic sorting and mechanical screening.

The application concerns the treatment of fruit and vegetable pomace, a byproduct of juice extraction or pulp production. The application concerns a process enabling the transformation of pomace into a product intended for further food consumption. The process involves optionally diluting the pomace with a working fluid to obtain a suspension, followed by mechanical separation of consumable and non-consumable fractions using hydraulic separation, mechanical screening, or a horizontal centrifuge. The consumable fraction is subjected to flow sterilization using ultrasound. After sterilization, the product can be concentrated and then packaged. This solution enables the production of a microbiologically safe product and the effective management of fruit and vegetable pomace in the food industry.

The present application relates to the technical field of aggregate grading for dry-mixed mortar, and provides an aggregate grading device and a grading method for dry-mixed mortar in construction. The grading device comprises a mechanical screening component and an airflow grading component. The mechanical screening component is configured with a screening chamber, and a screening mesh is arranged in the screening chamber. The mechanical screening component is used for mechanically screening aggregate on the screening mesh. The airflow grading component is connected with the screening chamber, and is used for discharging powder in the screening chamber from the screening chamber. Aggregate is placed on the screening mesh of the screening chamber. Particles smaller than the mesh holes of the screening mesh can pass through the mesh holes, and particles larger than the mesh holes are intercepted on the screening mesh to achieve mechanical screening of the aggregate. Powder is discharged from the screening chamber by the airflow grading component. Thus, the defect that the screening mesh of a conventional mechanical screening machine is easily blocked by wet powder when grading aggregate with a high water content and a high powder content, greatly reducing the yield and quality of the screening operation, is overcome.

This invention discloses a tea harvesting mechanism and machine. The harvesting mechanism includes a harvesting body, which is trumpet-shaped with smooth curved sidewalls. The inner diameter of the cross-section of the harvesting body gradually decreases from the first end to the last end. The trumpet-shaped curved surface enables mechanical screening, guidance, and positioning of tea buds, eliminating the need for precise coordinates of the tea leaves and reducing the requirements for accuracy and real-time performance of the visual perception system. A sensing device is provided on the inner sidewall near the last end of the harvesting body to detect the position of the tea buds entering the harvesting body. A harvesting device is provided on the sidewall near the first end of the harvesting body to receive signals from the sensing device and harvest the tea buds within the harvesting body. The harvesting machine of this invention, with this harvesting mechanism, guides the tea buds to the center of the harvesting mechanism under the guidance and screening effect of the curved surface structure, thus guiding and defining the spatial position of the tea buds, avoiding the precision requirements for spatial positioning found in conventional harvesting mechanisms.

This invention relates to the field of permanent magnet motor fault diagnosis technology, and more particularly to a deep learning-based method for permanent magnet motor fault diagnosis. The method includes: performing field aggregation and channel mapping processing based on rotor surface temperature values ​​and stator coil temperature values ​​to obtain an operating condition dataset; performing bearing vibration frequency processing, bearing speed processing, and audio signal mapping processing based on the operating condition dataset to generate mechanical screening results; further performing fixed-time-window segmentation, time synchronization, fault tag cross-comparison, and comprehensive evaluation processing on the mechanical screening results to generate a comprehensive evaluation result; and finally, generating alarm signals and maintenance suggestions based on the comprehensive evaluation result to obtain a fault diagnosis result. This invention can streamline the recording relationships within a time window, improving the continuity and verifiability of the fault diagnosis result generation process.

The invention relates to a pedal type sieving mechanism which comprises a supporting frame, a driving assembly, a speed increasing assembly and a sieving assembly, the driving assembly comprises a frame, pedals, a driving chain wheel and a driven chain wheel, the driving chain wheel is arranged on the frame, a ratchet mechanism is arranged in the driving chain wheel, and the pedals are connected with the ratchet mechanism; the driving chain wheel is connected with the driven chain wheel through a chain; the speed increasing assembly comprises a first planetary gear mechanism and a second planetary gear mechanism which are connected in series, the input end of the first planetary gear mechanism is connected with the driven chain wheel, and a flywheel is arranged between the driven chain wheel and the first planetary gear mechanism; the output end of the first planetary gear mechanism is connected with the input end of the second planetary gear mechanism; the screening assembly drives a screen to do reciprocating screening motion through an eccentric hinged type motion conversion mechanism. According to the pedal type pure mechanical screening mechanism, manual transmission decoupling and fatigue reduction are achieved, power fluctuation is stabilized, large-transmission-ratio speed increasing and efficiency improving are achieved, and efficient screening can be achieved without electric driving.

The utility model discloses a peanut seed sorting and grading device according to plumpness, which relates to the technical field of seed sorting and comprises a frame, a secondary screening mechanism, a tertiary screening mechanism and a collecting mechanism, the secondary screening mechanism is arranged on the frame, the collecting mechanism is arranged on the frame, the secondary screening mechanism comprises a secondary mounting frame, and the tertiary screening mechanism comprises a tertiary mounting frame. The inner side of one end of the second-stage mounting frame is fixedly connected with an input end protection plate, the inner side of the other end of the second-stage mounting frame is fixedly connected with an output end protection plate, and the other end of the second-stage mounting frame is fixedly connected with a first motor. The seed screening device has the beneficial effects that through three-stage mechanical screening linkage of the first-stage screening mechanism, the second-stage screening mechanism and the third-stage screening mechanism, impurities and broken particles in seeds are screened firstly, then the seeds are screened according to the size, and then the seeds are selected and graded according to the plumpness through a negative pressure air duct and a centrifugal fan.

The invention discloses a protective crushing-siphoning coupled malus spectabilis pulp and seed separation all-in-one machine, and relates to the technical field of separators, the protective crushing-siphoning coupled malus spectabilis pulp and seed separation all-in-one machine comprises a machine body, crushing rollers, a siphoning separation mechanism and a collecting and filtering mechanism, a collecting box is arranged on one side of the machine body, and the crushing rollers are symmetrically and rotatably arranged in the machine body through a rotating shaft; a driving box for controlling the smashing rollers to rotate is arranged outside the machine body, the siphon separation mechanism is arranged in the machine body, and the collecting and filtering mechanism is arranged in the collecting box. By means of the arrangement mode that the smashing roller and the siphon separation mechanism are matched, separation can be achieved through the siphon separation mechanism by means of flowing of a water source and the characteristics of pulp and seed density, violent extrusion and friction applied to a mixture by traditional mechanical screening are avoided, seeds are naturally layered and transferred only under the action of water flow buoyancy and gravity, and the separation efficiency is improved. And meanwhile, the water flow can also achieve the additional effects of cleaning the seeds and improving the purity of a finished product, so that the device is convenient to use.

The invention discloses a discharging mechanism of a disc type cap sorter. According to the technical scheme, the bottle cap feeding device comprises a bottle cap material channel, a plurality of feeding air nozzles which blow bottle caps to slide along the bottle cap material channel are arranged on the bottle cap material channel, a material returning pipe is arranged below the bottle cap material channel, a notch is formed in the position, above the material returning pipe, of the bottle cap material channel, a tongue piece is arranged at the position of the notch, and when cap openings of the bottle caps face upwards, the feeding air nozzles blow the bottle caps to slide along the bottle cap material channel. The bottle cap normally passes through the bottle cap material channel along the tongue piece, when a cap opening of the bottle cap faces downwards, the bottle cap obliquely falls to the material returning pipe below along the tongue piece, and a plurality of material returning air nozzles are arranged on the material returning pipe. According to the scheme, tongue piece mechanical screening is combined with the boosting air tap to accelerate forward bottle cap sliding, the material returning air tap automatically returns materials, and the output efficiency and continuity are improved.

According to the ore self-weight grading and cleaning device based on the ore drawing draw shaft structure, on the basis of the special working environment and conditions of underground production, by means of commonly-used ore drawing draw shaft facilities, necessary structural transformation is carried out, the draw shaft type ore gravity grading ore washing structure is constructed, a traditional mechanical screening ore washing mode is replaced, and the ore washing efficiency is improved. And efficient ore grading and cleaning are achieved. According to the method, the purposes of efficient ore grading and ore washing can be achieved, power equipment can be omitted, the risk that operation dust pollutes the environment in a draw shaft self-sealing system is eliminated, great reference significance is achieved for various mines, and important engineering support is provided for underground popularization of a mining, selecting and filling collaborative production operation mode.

The application provides a method for separating live insects from materials, comprising the following steps: putting a mixture containing live insects to be separated into a separation area with a top closed, a side wall and a bottom provided with mesh holes; creating a low-oxygen environment in the area by deoxygenation, creating a temperature gradient environment by heating, and creating a light intensity gradient environment by lighting; under the multiple environmental stresses, the live insects actively crawl away from the materials, pass through the mesh holes and enter a collection container, and the separation of the insects and the materials is completed; the application solves the problems of insufficient separation purity and easy damage to the insect bodies in the existing mechanical screening method, realizes gentle separation without mechanical contact by using the self-crawling of the insects, significantly improves the insect body integrity and the separation efficiency, and is suitable for large-scale breeding production.

The utility model belongs to the technical field of geological detection, particularly relates to a soil screening device based on geological detection, and provides the following scheme aiming at the problems that the existing traditional soil screening device mostly adopts a manual screening mode or a simple mechanical screening mode, the screening efficiency is low, and the screening effect is not ideal: the soil screening device comprises a U-shaped frame; a fixing frame is arranged at the top end of the U-shaped frame in a sliding mode, a U-shaped plate is arranged on the upper side of the fixing frame, a connecting groove is formed in the U-shaped plate, a filter box is arranged in the connecting groove in a sliding mode, a filter sieve used for screening soil is fixed in the filter box, and a reciprocating assembly used for driving the filter sieve to conduct screening is arranged in the U-shaped frame. The jolting assembly is used in cooperation with the reciprocating assembly, and the jolting assembly is used for driving the filter sieve to jolt in the reciprocating movement process; and by arranging the reciprocating assembly and the jolting assembly, reciprocating movement and jolting screening of the filter sieve are achieved, and the screening efficiency and the screening effect are greatly improved.

This invention relates to an iron-modified sludge biochar electrocatalytic tangential flow membrane coating, its preparation method, and its application. The preparation method includes: sequentially subjecting wastewater treatment plant residue sludge to mechanical screening for impurity removal, drying, anaerobic high-temperature pyrolysis, and ball milling to 0.5-2 μm to obtain modified sludge biochar; Fe... 2+ with Fe 3+ A mixture of multivalent iron ions is obtained by dissolving the iron ions in water at a molar ratio of 2-4:1; tannic acid is then added to this mixture to form a chelation system. This invention, through the preparation of a catalytic membrane pack and the continuous replenishment of electrons by an external electric field, enables the iron-modified sludge biochar electrocatalytic tangential flow membrane pack to possess both physical separation and carbon electrocatalytic degradation functions. This fundamentally solves the technical problems of existing ultrafiltration membrane packs, such as single function, severe membrane fouling, and low energy utilization, and overcomes the defects of easy pollutant deposition, achieving synergistic effects of separation and catalysis. It can be widely applied in scenarios such as advanced wastewater treatment.

The invention discloses a disc type cap arranging machine. According to the technical scheme, the automatic bottle cap feeding device comprises a circular material box, a rotating plate is arranged in the middle of the circular material box, a motor capable of driving the rotating plate to rotate is arranged at the bottom of the material box, a discharging opening allowing bottle caps to enter is formed in the side wall of the circular material box, and a bottle cap channel is formed in the position, at the discharging opening, of the outer portion of the circular material box; a plurality of feeding air nozzles for blowing bottle caps to slide along the bottle cap material channel are arranged on the bottle cap material channel, a material returning pipe communicated to the circular material box is arranged below the bottle cap material channel, a notch is formed in the bottle cap material channel and above the material returning pipe, a tongue piece is arranged at the notch, and when cap openings of the bottle caps face upwards, the bottle caps normally pass through the bottle cap material channel along the tongue piece; and when the opening of the bottle cap faces downwards, the bottle cap obliquely falls to the return pipe below along the tongue piece. According to the scheme, tongue piece mechanical screening is combined with the boosting air tap to accelerate forward bottle cap sliding, the material returning air tap automatically returns materials, and the output efficiency and continuity are improved.

The invention relates to the technical field of agricultural product drying, and discloses drying equipment for agricultural product processing, which comprises a drying box, a feeding hole in the top of the drying box is communicated with a discharging hopper, the discharging hopper is positioned below a discharging hole of a spiral conveyor, the center of the drying box is rotatably connected with a driving shaft, and stirring rods I are uniformly distributed on the circumferential side surface of the driving shaft; the driving shaft is hollow and is connected with the hot air generator through an air pipe, first air holes are formed in the circumferential side wall of the driving shaft, a nested grading screen drum assembly concentric with the driving shaft is arranged in the drying box, and the grading screen drum assembly comprises an inner ring screen drum, a middle ring screen drum and an outer ring screen drum which are sequentially arranged along the side wall of the drying box from the driving shaft; according to the three-dimensional dynamic stirring screen drum, the unique concentric nested screen drum structure, the hot air injection system integrated on the driving shaft and the three-dimensional dynamic stirring network are arranged, and the deep coupling and mutual promotion effect of the drying process, the mechanical screening process and the airflow separation process is achieved.

The utility model relates to the field of impurity removal device, especially millet impurity removal device based on airflow sorting, including bottom plate, the upper end of bottom plate is equipped with support mechanism, installs the first motor for the rotation of support mechanism on support mechanism. The utility model discloses under the rotation of gear and gear ring drive of screening box, carries out dynamic screening to millet through sieve hole and steel wire net, can separate out the larger small stone and other impurities quickly, airflow sorting and mechanical screening combine, utilize the buoyancy of airflow to distinguish the light and heavy impurities further, ensure the efficient separation of millet and impurities, through electric heating rod heating the air in the center cylinder, cooperate with the blower to blow out the hot airflow from the air outlet groove and air outlet hole evenly, dry millet in the sorting process synchronously, reduce its moisture content, high -speed hot airflow can effectively blow off the dust and other light impurities attached to the surface of millet, solved the defect that the traditional mechanical screening cannot utilize airflow to dry and dust removal.

The invention discloses a preparation method and application of a composite electrode, according to the preparation method, impurities of waste batteries are removed through crushing, mechanical screening and acid leaching operation, particle size distribution is controlled, lithium iron phosphate powder is calcined, phase conversion is realized to generate a Li3Fe2 (PO4) 3 / Fe2O3 component, and finally, the composite electrode is obtained through spark plasma sintering densification forming. And the composite material is applied to electro-catalytic degradation of florfenicol pollutants in water. The Li3Fe2 (PO4) 3 / Fe2O3 component in the composite electrode improves the electron transfer efficiency, provides active sites, overcomes the problems of high cost and short service life of the traditional electrode material, shows high catalytic efficiency and stability when degrading pollutants, and achieves the purpose of treating wastes with wastes above 90% in water within 2 hours.

The utility model relates to the technical field of fastener machining auxiliary equipment, in particular to a screw screening device which comprises a screening mechanism used for screening screws of different specifications, a feeding mechanism used for conveying to-be-screened screws to the screening mechanism and a discharging mechanism used for bearing the screws of the different specifications. The screening mechanism comprises a screening track allowing screws to pass through and a track frame arranged below the screening track and allowing the screening track to be obliquely arranged, the screening track is provided with a sliding gap allowing the screws to slide in a vertical posture, and the feeding mechanism is located at one end of the screening track. The discharging mechanism is located at the end, away from the feeding mechanism, of the screening track and below the track frame body. The multi-specification screw screening device has the effects that the problem that multi-specification screws cannot be screened simultaneously through mechanical screening is solved, and the screening cost of the multi-specification screws is reduced.

The utility model belongs to coal separation technology field especially is a kind of coal gangue sorting device, including installation base, the surface of installation base is equipped with drum screen, the side of drum screen is provided with prop, the surface of prop is equipped with feed bin, the side of drum screen away from feed bin is provided with guide chute, the below of drum screen is provided with discharge bin, the discharge bin with installation base fixed connection, the below of installation base is provided material transport belt, the above of material transport belt is provided with airflow sorting box, the surface of airflow sorting box is fixedly connected with branch bin;This device can carry out multistage separation, adopt " mechanical screening+intelligent identification " two-stage separation, greatly improve the separation precision, can clean drum screen simultaneously to avoid blockage.