152results about How to "Fully broken" patented technology

An isothermal near-net forming method of a TC4 titanium alloy aeroengine blisk comprises the following steps that (1) the surface of a TC4 titanium alloy bar is coated with a glass lubricant, and the TC4 titanium alloy bar is heated to T beta-(30-80) DEG C; 2) coating a glass lubricant on the pre-forging die and heating the pre-forging die to T beta-(30-80) DEG C; (3) the bar is loaded into a pre-forging die to be forged into an intermediate blank, at least one heating number of forging is carried out, the strain rate is smaller than or equal to 0.01 s <-1 >, and the deformation amount is 60-70%; after forging is completed, the intermediate blank is water-cooled to the room temperature; (4) the intermediate blank is heated to T beta-(30-80) DEG C; 5) coating a glass lubricant on a finish forging forming die and heating to T beta-(30-80) DEG C; the method comprises the following steps of (1) carrying out primary forging on an intermediate blank, (2) carrying out secondary forging on the intermediate blank, (3) carrying out secondary forging on the intermediate blank, (4) carrying out secondary forging on the intermediate blank, (5) carrying out secondary forging on the intermediate blank, (6) loading the intermediate blank into a final forging forming die, pressing the intermediate blank into a blisk forge piece, carrying out at least one-heating-number forging, carrying out water cooling on the blisk forge piece to room temperature, (7) carrying out solution treatment on the blisk forge piece and carrying out water cooling to room temperature, and (8) carrying out aging treatment on the blisk forge piece and carrying out air cooling to room temperature.

The invention relates to a forging-rolling combined preparation method of a high-strength and high-toughness titanium alloy small-specification bar for machining, which comprises three stages of a cogging forging step, a two-phase region forging step, and a drawing blank making and rolling forming post-heat treatment step. As-cast grains can be fully crushed; a rolling forming mode is utilized, the heating number can be effectively reduced, and the production efficiency and the batch stability are improved; and the prepared small-specification bar with the diameter being 40-80 mm can be directly machined to form a part subsequently, die forging is not needed, the production cost of the small part can be effectively reduced, and important economic and military values are achieved.

The invention relates to a manufacturing method of a small-caliber nickel-copper alloy seamless heat exchange tube. The manufacturing method comprises the steps that S1, a UNS N04400 round steel material is subjected to peeling, PT inspection, shearing, centering, grinding, heating, perforating, water cooling and inspection; s2, a hot-punched blank is only cleaned, and inspection is conducted after point grinding is conducted after internal and external polishing; s3, the obtained pipe blank is subjected to first-pass intermediate product cold rolling, deoiling, straightening, pipe cutting, grinding, inspecting and cleaning; s4, second-pass intermediate product cold rolling, deoiling, heat treatment, straightening, pipe cutting, grinding, inspection and cleaning are conducted; S5, finished product cold rolling is conducted; s6, deoiling a finished product; s7, heat treatment of a finished product; s8, straightening a finished product; s9, performing ultrasonic vortex treatment, water pressure treatment and pipe cutting on a finished product; and S10, finished product surface inspection, size inspection, cleaning, mark spraying and finishing procedures are carried out. The method has the advantages of high one-time inspection qualification rate, yield and dimensional precision of products, good inner and outer surface quality, stable structure performance and high practicability.

The present invention relates to the field of tire processing technology, in particular to an environmentally friendly processing device for recycling and utilizing waste tire rubber, comprising a crushing box, a first material guide block is provided at the lower left end of the crushing box, a first belt conveyor is provided on the first material guide block, a crushing assembly is provided inside the crushing box, a screening box is provided at the left end of the first belt conveyor, a disc screen assembly is provided inside the screening box, two support blocks are fixedly provided on the outer wall of the screening box in a symmetrical structure, a reflux block is installed at the lower end of the screening box, the reflux block is in an inclined structure, the lower right end of the reflux block is connected to the upper end of the crushing box, a second material guide block is provided at the lower end of the screening box, and a steel wire processing box is provided at one end of the second material guide block. It is convenient to crush and separate steel wire and rubber in waste tires, ensure the efficient separation of steel wire and rubber, improve the processing efficiency and crushing effect of waste rubber tires, improve the quality of recycled rubber, and provide strong technical support for the recycling and utilization of waste tires.

The invention provides an extrusion processing method of a niobium-tungsten alloy cast ingot and a niobium-tungsten alloy extrusion processing product, the extrusion processing method comprises the following steps: carrying out stepped heating on the niobium-tungsten alloy cast ingot with an anti-oxidation coating by using a medium-frequency induction furnace to obtain a blank to be extruded, the lowest holding temperature of the stepped heating is 800 DEG C + / -20 DEG C, the highest holding temperature is 1200 DEG C-1300 DEG C, and the total duration of the stepped heating is 30 min-45 min; and the blank to be extruded is subjected to non-sheath extrusion machining in the extrusion cylinder, and the niobium-tungsten alloy extrusion machining product is obtained. The non-sheath extrusion processing method provided by the invention has the advantages that the production period is shortened, the production loss is reduced, and the surface quality, the straightness and the processing plasticity of an extrusion processing product are improved.

The invention relates to the technical field of crushing equipment, and discloses a vertical impact crushing device, which comprises a throwing ring, four vertical columns, an impact crushing device, an impact crushing device, an impact crushing device, a crushing device, an impact crushing device and an impact crushing device, and is characterized in that the throwing ring is annularly arranged on the whole, and the outer wall of the throwing ring is fixedly provided with four vertical columns of which the other ends are arranged on the ground; the spacer ring is fixedly mounted on the inner side of the throwing ring, the spacer ring and the throwing ring are coaxially arranged, and the spacer ring is used for dividing the inner space of the throwing ring into a feeding area and a crushing area; the reciprocating impact component is arranged on the inner side of the feeding ring, is located in the crushing area and is matched with the spacer ring to perform primary impact crushing on the to-be-crushed object; the outer cylinder is arranged among the four stand columns and located on the outer side of the throwing ring, and the outer cylinder can rotate and move on the outer side of the throwing ring in one direction. The vertical impact crushing device solves the problems that an existing impact crushing device is tedious in process and low in efficiency in the crushing and screening process.

The invention discloses a method for recovering a lithium element in a retired ternary lithium battery positive electrode material, and relates to the technical field of battery recovery, and the method comprises the following steps: S1, uniformly mixed carbon powder and ternary positive electrode recovery powder are placed in a reduction furnace, and a carbon thermal reduction reaction is carried out under the protection of a nitrogen atmosphere to obtain a reduced material; s2, the reduction material, pure water and grinding balls are put into a pressurized ball milling tank, carbon dioxide is introduced, ball milling is conducted in the high-pressure environment of 2-5 MPa, and ball milling slurry is obtained; s3, carrying out solid-liquid separation on the ball-milled slurry to obtain a lithium extraction leachate; s4, the lithium extraction leachate is subjected to impurity removal, concentration and thermal decomposition, and lithium carbonate crystals are obtained; and S5, washing, drying and crushing the lithium carbonate crystals to obtain the battery-grade lithium carbonate. According to the method disclosed by the invention, lithium is extracted by matching carbon dioxide with ball-milling water in a high-pressure environment, so that the leaching efficiency and the leaching rate of the lithium element in the reduced ternary positive electrode recycled powder can be effectively improved.

The waste treatment device for civil engineering construction comprises a machine shell, a fixed block is fixedly installed at the bottom of a frame head, a hydraulic cylinder is arranged in the fixed block, a telescopic shaft is movably arranged at the output end of the hydraulic cylinder, and a movable cone is fixedly connected to the bottom of the telescopic shaft; a driving motor is arranged in the supporting block, the output end of the driving motor is located below the supporting block, an output shaft of the driving motor is fixedly connected with a rotating shaft, hammer plates are evenly arranged on the outer ring of the rotating shaft, and an impact sleeve is fixedly installed at the position, located on the outer ring of the rotating shaft, of the inner wall of the machine shell; by means of the integrated arrangement of the upper crushing device and the lower crushing device, the use convenience of the crusher is improved, then materials discharged by the crusher are annularly distributed, the crushing efficiency is improved, meanwhile, the materials can be fully crushed, and the crushing effect is improved.

The invention relates to the technical field of soil remediation, and discloses a soil remediation device and a soil remediation method.The key point of the technical scheme is that the soil remediation device comprises a remediation box body; the repairing platform is arranged in the repairing box body, a heating part used for generating heat is arranged at the bottom of the repairing platform, and the repairing platform conducts the heat; the feeding hole is formed in one side of the repairing box body and is connected with a feeding machine; the preheating box body is arranged in the repairing box body, and a plurality of crushing rollers are arranged in the preheating box body; the vibration frame body is arranged at the bottom of the preheating box body, and a plurality of release plates are arranged in the vibration frame body; according to the device, the problems of blockage and low efficiency when high-water-content or high-viscosity soil is treated in a traditional technology are solved by optimizing multiple functions of preheating, crushing, vibrating, releasing, paving and the like. The device is reasonable in structural design, efficient in treatment process and capable of being widely applied to pollution remediation of various complex soil environments.

The invention relates to the technical field of soil pollution prevention and treatment, in particular to soil pollution prevention and treatment equipment which comprises a main machine frame, an auxiliary frame is installed at the bottom of the main machine frame, wheel shafts are rotationally installed at the bottoms of the two side ends of the main machine frame, and a hub is installed at one end of each wheel shaft. A cutter shaft is rotatably installed at the position, close to the wheel shaft, of the side end face of the auxiliary frame, a plurality of bent cutters are evenly installed on the outer curved surface of the cutter shaft at equal intervals, and a material box is installed in the middle of the top end of the auxiliary frame. The compatibility of equipment advancing work, soil crushing work and treating agent feeding work is improved, the effectiveness of the soil crushing work is enhanced, the soil crushing work is more balanced, the soil crushing blind area is avoided, synchronous injection and spraying of the treating agent are achieved, the permeation combination efficiency of the treating agent and soil is enhanced, and the treatment effect is improved. The effective utilization rate of the treating agent is improved.

The invention discloses a soil remediation agent as well as a preparation process and a preparation system of the soil remediation agent. The soil remediation agent is prepared from the following raw materials: citric acid modified manioc waste, hydrotalcite-like compound, fly ash and a microbial agent, the preparation process of the soil remediation agent comprises the following steps: S1, adding the citric acid modified manioc waste, the hydrotalcite-like compound and the fly ash into preparation equipment according to a ratio; the preparation system comprises preparation equipment, the preparation equipment comprises an annular supporting seat, and a preparation cylinder is mounted on the annular supporting seat. According to the soil remediation agent, the adsorption effect on heavy metal cadmium is remarkably improved, the soil flora environment is improved through the microbial agent, plant growth is promoted, the multiple production steps of mixing, grinding, drying and the like are integrated in the same equipment, integrated production of the soil remediation agent is achieved, and the soil remediation agent is suitable for large-scale production. Therefore, the running times of raw materials among different devices are remarkably reduced, the workload of workers and the workload during production are reduced, and the production efficiency is improved.

The utility model discloses a concrete plain end mixer which realizes the function of continuously switching a driving shaft in the clockwise direction and the anticlockwise direction in an inner cavity of a mixing tank under the action of a mixing assembly, so that the efficiency and the uniformity of concrete mixing are improved. An inner gear is fixedly arranged on the inner side wall of a rotating disc, an outer gear is fixedly arranged on the outer surface of a cylindrical block, the diameter of the rotating disc is larger than that of the cylindrical block, and the number of teeth of the inner gear is larger than that of teeth of the outer gear, so that when the inner gear is meshed with a driving gear, a driving shaft does decelerating motion; the speed reduction can provide larger torque output, is beneficial to intense stirring of concrete, and ensures that coarse aggregate in the concrete is fully crushed and mixed; when the outer gear is meshed with the driving gear, the driving shaft does accelerated motion, the acceleration is beneficial to rapid circulation of concrete in the stirring process, the stirring efficiency is improved, and especially after the concrete is preliminarily mixed, rapid stirring can help to further refine the mixture.

The invention discloses an oxygen element doped sulfide electrolyte, a preparation method and application thereof, the surface of the sulfide electrolyte contains a uniform oxide coating layer, and the interior of the sulfide electrolyte is doped with an oxygen element; the thickness of the oxide surface coating layer is 1-50nm, the oxygen element of the oxide-doped sulfide electrolyte is in gradient distribution, the structure can improve the air stability of the sulfide electrolyte, and the structure also can ensure that the oxygen coating shell is not easy to fall off because the doped oxygen element is less in amount and less in ionic conductivity loss, so that the performance of the sulfide electrolyte is improved. And the air stability of the sulfide electrolyte is further improved.

The utility model relates to the technical field of mining mechanical equipment, and discloses a stirrer for stirring cemented filling tailing slurry of metal and non-metal mines, which comprises a stirring tank, a plurality of groups of turbulent flow bars arranged on the inner side wall of the stirring tank, a stirring vertical shaft arranged in the center of the interior of the stirring tank, and a stirring chain arranged at the middle lower part of the stirring vertical shaft, stirring blades are arranged at the bottom of the stirring vertical shaft; and a filter screen is arranged on the stirring tank between the stirring chain and the stirring blades. According to the utility model, the tailing slurry can be efficiently stirred, the conditions of blockage, breakage and the like can be avoided, and the stirring effect and efficiency of the filling body are effectively improved.

The application relates to the technical field of zirconium-niobium alloy material processing, in particular to a preparation method of a large-diameter zirconium-niobium alloy pipe for nuclear industry, which comprises the following steps: S1, mixing nuclear-grade sponge zirconium and niobium scraps, or mixing zirconium-niobium alloy, zirconium dioxide and iron; melting the mixture and preparing a zirconium-niobium alloy ingot; S2, sequentially performing large deformation forging in a beta single-phase zone and an alpha+beta two-phase zone; S3, drilling a central hole in the axial direction of a round-forging blank; quenching in the beta single-phase zone; S4, coating an anti-galling agent on the surface of the central hole and heating to prepare a pipe blank in the mode of cross piercing; S5, performing periodic forging and rolling on the pipe blank; S6, annealing the hot-rolled pipe twice; and straightening the hot-rolled pipe after the second-stage annealing. The zirconium-niobium alloy pipe has uniform microstructure, good mechanical properties and corrosion resistance, the production direction of the brittle hydride is nearly parallel to the circumferential direction of the pipe, and brittle damage of the pipe wall thickness caused by the crack propagation of the hydride is avoided.

The invention provides a multi-circulation type crushing device for quartz sand processing, and belongs to the technical field of quartz sand processing crushing, the multi-circulation type crushing device for quartz sand processing comprises a box body, two connecting shafts which are distributed up and down are rotatably connected in the box body, the periphery of each connecting shaft is fixedly connected with a plurality of crushing hammers which are uniformly distributed, and the crushing hammers are arranged in the box body. The outer end of each connecting shaft is fixedly connected with a first motor, and the first motors are fixedly connected with the box body. According to the quartz sand crushing device, the filter screen plate is arranged, and the crushing hammers are arranged on the upper side and the lower side of the filter screen plate, so that quartz sand can be crushed for multiple times, the crushing effect is improved, the U-shaped plate can be driven to move in the box body under the driving of the transmission assembly, and the U-shaped plate pushes the quartz sand close to the inner wall of the box body to flow; and quartz sand is prevented from being accumulated on the inner wall of the box body and is prevented from being in contact with the crushing hammer, so that the crushing hammer can fully crush the quartz sand, and the crushing effect is further improved.

The invention provides a meat and bone meal crushing system with a cleaning function, and relates to the technical field of dirt cleaning, the meat and bone meal crushing system comprises a crushing box, a front end driving mechanism, a rear end driving mechanism and a scraping assembly, the side edge of the crushing box is screwed with a side plate, one end of the surface of the crushing box is provided with a cover plate, and the other end of the surface of the crushing box is provided with a drain plug; a washing pipeline is inserted into the middle of the side edge of the crushing box in a penetrating mode, a front-end driving mechanism is embedded into the crushing box from a front-end side plate of the crushing box, and crushing guide rollers are inserted into the middle of the front-end driving mechanism in a penetrating mode. The crushing guide roller and the inner wall of the crushing box can be cleaned, raw materials adhered to the inner wall can be repeatedly scraped in the crushing process through cooperation of the scraping assemblies at the two ends, the raw materials can be fully crushed, dead angle areas are avoided, the crushing guide roller and the inner wall of the crushing box can be cleaned in a targeted mode during cleaning, and the cleaning effect is improved.

The invention relates to the field of metallurgy, and discloses a large-size maraging stainless steel bar and a preparation method thereof, the diameter of the bar is larger than or equal to 300 mm, and the method comprises a vacuum induction melting stage, a vacuum consumable remelting stage, a fast forging cogging stage and a precision forging forming stage; wherein the vacuum consumable remelting stage comprises an arcing stage, a stable smelting stage and a filling smelting stage; in the arc starting stage, a molten pool is formed by adopting a current of 8-12 kA; in the stable smelting stage, the smelting speed is 4.2-4.8 kg / min, the molten drop is 3-5 s <-1 >, the molten drop short-circuit time is 0.6-0.8 s, and inert gas is started to be filled for cooling after smelting is conducted by the preset weight; and in the filling smelting stage, inert gas filling is stopped, and the current and the melting speed are controlled to descend in a stepped mode. According to the method, the uniformity of components and structures can be improved, so that the mechanical property of the large-size maraging stainless steel bar is improved.

The application discloses a waste and old asphalt coiled material recycling and crushing equipment, which comprises a box body, two groups of crushing rollers are arranged in the box body through bearings, two groups of mounting covers are bolted to the side walls of the box body, and driving motors are bolted to the surfaces of the two groups of mounting covers; the auxiliary airflow stirring structure in the barrel solves the problems of insufficient crushing degree, uneven particle size and difficulty in meeting the standard of regenerated materials of the traditional single crushing channel; the two groups of crushing rollers complete primary crushing and cutting, the crushing barrel cooperates with built-in crushing knives to complete secondary fine crushing, meanwhile, the air pump cooperates with the air storage disc and the one-way spray head to spray airflow into the crushing barrel, so that the asphalt coiled material powder accumulated on the bottom of the barrel is blown up, material accumulation dead angles and wall sticking are avoided, the uniformity of material crushing is further improved, double crushing cooperates with airflow stirring to ensure sufficient material crushing and uniform particle size, the standard of subsequent regenerated processing materials is met, and the crushing processing quality stability is improved.

The present invention belongs to the technical field of battery recycling, and in particular, relates to a cascade recycling system for lithium batteries in an energy storage system, comprising a coarse crushing tank, a fine crushing tank, a grinding tank, a crushing assembly and a screening assembly. The coarse crushing tank and the fine crushing tank are both provided with crushing assemblies and screening assemblies distributed in the up-and-down directions, and the grinding tank is provided with a screening assembly; the screening assembly comprises an inner sieve cylinder which is rotatably arranged, and an outer sieve cylinder which is arranged outside the inner sieve cylinder and rotates synchronously with the inner sieve cylinder and can change its position relative to the inner sieve cylinder. The cascade recycling system for lithium batteries in an energy storage system performs coarse crushing operations on positive plates and graphite inside the coarse crushing tank, performs fine crushing operations on positive plates and graphite inside the fine crushing tank, and performs grinding operations on positive plates and graphite inside the grinding tank. The crushing operations on positive plates and graphite are performed in cascades, so that the positive plates and graphite are fully crushed and evenly distributed, which saves the subsequent mixing steps, and at the same time, the positive plates and graphite are fully in contact.

The invention belongs to the technical field of sludge drying, particularly relates to a sludge drying process system, and aims to solve the problems that when an existing device is used for drying sludge, as the sludge before drying is relatively wet, the sludge is easy to deform and is difficult to crush during extrusion crushing, and when a conveying belt is used for drying the sludge, the sludge is difficult to crush. In order to solve the problem that sludge on a conveying belt is easy to accumulate and drying is not thorough enough, according to the scheme, the sludge drying device comprises a shell, a feeding hopper is fixedly installed at the top of the shell, a crushing mechanism is arranged on the inner wall of the shell, a first motor is fixedly installed on one side of the shell, and the first motor is in transmission connection with the crushing mechanism. The device is easy to operate and convenient to use, soil can be rapidly and fully smashed, stirring and heating can be conducted uniformly, meanwhile, soil can be air-dried again through waste heat generated after heating, and meanwhile people can conveniently collect the soil.

The utility model discloses a waste collecting device of a die-cutting machine, which comprises a base, a waste collecting tank is arranged at the top of the base, hydraulic cylinders are arranged on two sides of the waste collecting tank, a support shell is arranged on the outer side of the waste collecting tank, the output ends of the hydraulic cylinders are fixedly connected with the support shell, and the output ends of the hydraulic cylinders are fixedly connected with the support shell. The device comprises a supporting shell, the top of the supporting shell is connected with a material collecting shell, a draught fan is installed on the material collecting shell, a crushing roller is installed at the top end of the supporting shell, the output end of the crushing roller is connected with a first motor, fixed tool bits are arranged on the two sides of the upper portion of the crushing roller, and a driving mechanism is arranged on one side of the supporting shell. A waste pressing plate is connected to the driving mechanism, the waste pressing plate is arranged in the waste collecting tank, and the crushing roller and the fixed tool bit are arranged, so that when the waste is collected, the waste can be fully crushed through the cooperation of the crushing roller and the fixed tool bit, and the crushing quality of the waste is improved.

The utility model relates to the technical field of crushing pumps, in particular to a bidirectional pressurizing crushing sewage pump for an intelligent dog toilet. The sewage pump comprises a main shell, a water outlet pipe and a main shaft assembly. The main shaft assembly comprises a crushing impeller; a first mounting hole is formed in the center of the crushing impeller, and six fan blades including a pair of long fan blades, a pair of short fan blades and a pair of inclined fan blades are arranged on the outer side of the crushing impeller in an annular array mode with the first mounting hole as the center. By arranging three pairs of crushing parts with different crushing areas, the crushing surface of the crushing impeller completely covers the cross section of the inner cavity of the main shell. And it is ensured that a mixture passing through the crushing impeller can be fully crushed, and the discharging effect of the sewage pump is improved.

The application provides a pickling purification method of porous carbon for silicon-carbon negative electrode materials and a product thereof, and belongs to the technical field of battery material preparation. The method overcomes the defects of poor purity and long process flow of the existing pickling method. The production method comprises the following steps: crushing carbonization raw materials to 20-50 meshes, and then performing physical activation. The method further comprises the steps of "blowing and stirring cleaning" and "belt rinsing while simultaneously performing vacuum exhaust and controlling the water content to be 60%". The porous carbon is deeply and efficiently purified, so that the iron content and ash content of the porous carbon are reduced to a very low level (Fe<30ppm, ash content<0.2%), and the high-pore structure (iodine value≥1600mg / g) of the porous carbon is maintained. The unique blowing and stirring method has smaller shearing force on the carbon skeleton, and better protects the microstructure of the porous carbon. The belt rinsing is continuously operated, and has high automation degree, and is suitable for large-scale industrial production. The porous carbon product prepared by the method has very high purity and high specific surface area, and meets the needs of high-end lithium ion batteries.

The invention discloses a building waste crushing and sand-making device with a dustproof function, and relates to the technical field of sand-making devices.The building waste crushing and sand-making device comprises a dustproof mechanism and dust collectors mounted on the two sides of the top of the dustproof mechanism, a crushing and sand-making mechanism is arranged at the bottom of the dustproof mechanism, and a sand-making motor is fixedly mounted on one side of the crushing and sand-making mechanism; the dustproof mechanism comprises a dustproof box, connecting hinges are symmetrically installed on the two sides of the top of the dustproof box correspondingly, a dustproof rotating plate is rotationally connected to the outer sides of the connecting hinges, the dust collector is fixedly installed on one side of the top of the dustproof rotating plate, and lifting sliding rods are symmetrically installed on the two sides of the interior of the dustproof box correspondingly; by arranging the dustproof mechanism, the lifting sliding sleeve can be driven to slide on the outer side of the lifting sliding rod in a lifting mode through the elastic force effect of a lifting spring, meanwhile, the closing rotating rod is driven to rotate, and automatic unfolding and closing of the dustproof rotating plate can be achieved.

This invention relates to the field of aero-engine technology, disclosing a combustion assembly and an aero-engine. The invention includes: a flame tube; an evaporator tube comprising a main pipe and several branch pipes, one end of the main pipe forming an evaporator tube inlet, the branch pipes corresponding to the other end of the main pipe, and the ends of the branch pipes away from the main pipe forming several evaporator tube outlets, which are located within the flame tube; and a fuel supply structure connected to the evaporator tube inlet. This invention, by arranging the branched evaporator tubes in a blood vessel-like pattern on the flame tube, increases the probability of fuel breaking up upon impact with the wall under the action of the branched structure, resulting in better fuel atomization. Simultaneously, because the branched evaporator tubes have a larger contact area with the hot wall surface, they absorb more heat, thus allowing the fuel to be heated more fully, thereby evaporating more fuel and ultimately improving combustion efficiency.

The utility model relates to the technical field of purification of silicon dioxide in rice hull ash, and discloses equipment for purifying high-quality silicon dioxide from rice hull ash, which comprises a shell, a grinding mechanism is fixedly connected to the inner side of the shell, a conveying component for feeding is fixedly connected to the outer side of the shell, the grinding mechanism comprises an air cylinder, and the air cylinder is fixedly connected with the grinding mechanism. A rotating assembly used for grinding is fixedly connected to the inner side of the shell, a connecting block is fixedly connected to the driving end of the air cylinder, a filtering assembly used for filtering is arranged on the inner side of the connecting block, a grinding plate is slidably connected to the outer side of the connecting block, and a connecting hollow column is fixedly connected to the top of the grinding plate. According to the utility model, the cylinder at the bottom drives the connecting block to move up and down, and the connecting block is matched with the grinding plate sliding on the outer side, so that the double effects of extruding and grinding rice hull ash are realized, materials are further refined, and particles can reach the fineness required by subsequent processing.

The utility model discloses a crushing device for food detection, which relates to the technical field of food detection, and comprises a box body provided with a feeding end and a discharging end, and further comprises a rotating sleeve matched with the shape of a cavity in the box body, and at least one through groove communicated with the interior of the rotating sleeve is formed in the side surface of the rotating sleeve. Intermittent feeding and discharging can be achieved, after the through groove in the surface of the rotating sleeve is aligned to the feeding end, food enters the rotating sleeve to make contact with the crushing assembly to be crushed till the food is crushed to be small enough, after the through groove in the surface of the rotating sleeve is aligned to the discharging end, the crushed food is screened through the arc-shaped filtering plate, and finally the food is discharged from the discharging end. The situation that the crushing assembly cannot fully crush the food due to too much one-time feeding is avoided, the crushing assembly makes contact with the food for a longer time, and it is ensured that the food is fully crushed.

The crushing and screening integrated equipment comprises a crushing shaft, a protective cover, a material storage bin and a shell, the material storage bin is arranged on the side portion of the shell, a transparent observation layer is arranged on the material storage bin, the protective cover is arranged on the side portion of the material storage bin, an electric push rod is fixed to the inner wall of the protective cover, and the electric push rod is fixed to the inner wall of the protective cover. A supporting block is fixed to one end of the electric push rod, a connecting rod is connected to the upper end of the supporting block, an annular brush is connected to the upper end of the connecting rod, a guide rod is slidably connected into the annular brush, the two ends of the guide rod are fixedly connected with the inner wall of the shell, a filtering layer is arranged in the shell and corresponds to the annular brush, a material taking opening is formed in the side portion of the filtering layer, and a first blocking plate is arranged on the side portion of the material taking opening. The upper end of the first blocking plate is connected with a first handle. The device can avoid material blockage, and is good in practicability and good in crushing effect.

The utility model discloses a continuous impact crusher capable of fully crushing, relates to the technical field of hydraulic impact crushers, and aims to solve the problems that materials in the conventional hydraulic impact crusher cannot be fully crushed, secondary crushing cannot be performed quickly, and the crushing efficiency is influenced. According to the key points of the technical scheme, the crusher comprises a crusher body, a base is fixedly connected to the bottom of the crusher body, a first crushing roller and a second crushing roller are rotatably connected to the interior of the base, same transmission blocks are fixedly connected to one ends of the outer sides of the first crushing roller and the second crushing roller, and the outer sides of the transmission blocks are sleeved with transmission belts; and a first motor is mounted on the outer side of the base. And the effects of efficient work and stable work are achieved.