216results about How to "Broken fast" patented technology

The invention relates to a crushing equipment for petroleum coke, in particular to a special crushing equipment for petroleum coke capable of intermittent feeding. The technical problem to be solved by the present invention is to provide a special petroleum coke crushing equipment capable of intermittent feeding, which is fast in crushing speed, high in working efficiency, not easy to be injured in the crushing process, and easy to operate. In order to solve the above technical problems, the present invention provides such a special crushing equipment for petroleum coke capable of intermittent feeding, which includes a bottom plate, a collection frame, a right side plate, a shell, a lower hopper, a crushing frame, etc.; the top of the bottom plate passes through The collection frame is installed by bolt connection, the right side plate is installed on the top right side of the bottom plate by bolt connection, the shell is installed on the top of the right plate by bolt connection, and an intermittent feeding device is installed in the shell. The present invention filters the petroleum coke dropped from the crushing frame through the filter frame, so that the petroleum coke that is not broken completely can be filtered in the filter frame.

The invention relates to a crushing device for unformed fodder, particularly to a gear type efficient crushing device for unformed fodder, and provides the low-cost, high-crushing speed and convenient-operation gear type efficient crushing device for unformed fodder which is aimed at solving the technical problem. The gear type efficient crushing device for unformed fodder provided to solve the technical problem comprises a bottom plate, a left rack, a collection frame, a right rack, a filter frame, a knock block, a first fixed rod, a bearing seat, a fixed plate, a second fixed rod, a first gear, a large belt pulley, and the like, wherein the left rack is welded on the left side of the top of the bottom plate; supporting rods are welded at the upper part of the right side of the left rack; a crushing frame is welded at the right ends of the supporting rods; and a net plate is welded at the bottom of the crushing frame. According to the gear type efficient crushing device, the effects of low cost, high crushing speed and convenient operation are achieved, the device always exerts an important function and has a good crushing effect, and the working efficiency is improved.

The invention discloses a high-efficiency crushing device for waste bricks of building wall materials, which comprises a bottom plate, a crushing frame, a first crushing plate, a first rack, a gear, a second crushing plate, a first connecting rod, a guide rod, a second rack, second connecting rod, disk, crankshaft, motor, first connecting rod journal, second connecting rod journal, first piston rod, second piston rod and nozzle, the present invention is provided with motor, crankshaft, circle The plate, the first connecting rod and the second connecting rod are used to crush waste bricks from top to bottom through the cooperation of the above parts, and the crushing speed is fast. There are guide rods, second racks, gears and first racks. Cooperate with the first crushing plate to crush the waste bricks from the left and right sides, making the crushing more thorough and even, improving the crushing efficiency and reducing the labor intensity of the staff. There are first connecting rod journal and second connecting rod journal , the first piston rod, the second piston rod and the nozzle, through cooperation to achieve continuous water spraying and dust reduction, to avoid affecting the health of the staff.

The invention relates to a quick breaking device for a waste shoe module for the shoe industry, in particular to a planet wheel type quick breaking device for the waste shoe module for the shoe industry. The planet wheel type quick breaking device aims at solving the technical problems that breaking is thorough, the breaking speed is high, and operation is convenient. To solve the technical problem, the planet wheel type quick breaking device for the waste shoe module for the shoe industry comprises a bottom plate, a sliding rail, a sliding block, a breaking frame, a guide sleeve, a mounting seat, a right frame, a movable rod, a first connecting rod, a first crank, a first belt wheel, a first flat belt, a second belt wheel, a top plate, a second flat belt, a gear ring and the like. A left frame is sequentially arranged on the top of the bottom plate from left to right. The planet wheel type quick breaking device has the beneficial effects of being thorough in breaking effect, high in breaking speed, convenient to operate and good in breaking effect, plays an important role all the time and improves the working efficiency.

The invention discloses an agglomerated cement recycling and crushing device for a building. The device comprises a bottom plate, a crushing frame, a motor, a disc-shaped cam, a first belt pulley, a second belt pulley, a roller, a first connecting rod, a crushing plate, a spring, a third belt pulley, a first rotating shaft, a disc, a second connecting rod, a second sliding block, a second sliding rail, a third connecting rod and a dust falling mechanism. The device is provided with the disc-shaped cam, the roller, the first connecting rod, the spring and the crushing plate, through cooperation of the parts, agglomerated cement in the crushing frame is crushed through the crushing plate, the crushing speed is high, and the labor intensity of workers is relieved. The first belt pulley, a first belt, the third belt pulley, the disc, the second connecting rod and the third connecting rod are arranged, through cooperation of the parts, the crushing frame moves leftwards and rightwards, thus the cement in the crushing frame can be comprehensively crushed through the crushing plate, crushing is more through and uniform, and the crushing efficiency is improved. The dust falling mechanism is arranged, continuous water spraying is realized, dust falling is carried out, and influence on the health of the workers is avoided.

The invention relates to a crushing and processing equipment, in particular to a crushing and processing equipment for electronic component wastes. The technical problem to be solved by the present invention is to provide an electronic component waste crushing and processing equipment with good crushing effect, fast crushing speed, and no damage to the debris ejected from the electronic components. In order to solve the above technical problems, the present invention provides such an electronic component waste crushing and processing equipment, including a bottom plate, a right side plate, a fixed block, a processing box, a lower hopper, a first baffle, a first vertical rod, a first A motor, sector gear, driven wheel, turntable, driving wheel, etc.; the right side plate is installed on the right side of the top of the bottom plate by means of bolts, and the middle of the left side of the right side plate is installed with a fixed block by means of bolt connection. In the present invention, the waste of electronic components is crushed up and down by the first crushing plate, and the waste of electronic components is crushed from left to right by the second crushing plate, thereby accelerating the crushing speed.

The invention relates to a waste garbage crushing device for the biomedicine pharmacy, in particular to a quick waste garbage crushing device for the biomedicine pharmacy. The provided quick waste garbage crushing device for the biomedicine pharmacy is thorough in crushing, high in crushing speed and convenient to operate. The provided quick waste garbage crushing device for the biomedicine pharmacy comprises a bottom plate, a left frame, a first slide rail, first slide blocks, a crushing frame, a bracket, a second slide rail, a right frame, second slide blocks, a rack, a gear, a flat belt, a large belt wheel and the like. The left side of the top of the bottom plate is provided with the left frame and the first slide rail. The quick waste garbage crushing device for the biomedicine pharmacy has the effects of being thorough in crushing, high in crushing speed and convenient to operate, and waste garbage produced in the biomedicine pharmacy can be quickly crushed, so that the waste garbage produced in the biomedicine pharmacy is processed appropriately.

The invention discloses intelligent crushing treatment equipment, and relates to the technical field of medical waste treatment equipment. The intelligent crushing treatment equipment comprises an enclosure, wherein a driving cavity, a secondary crushing cavity and a collecting cavity are sequentially formed in the enclosure from top to bottom; a primary crushing cavity communicated with the secondary crushing cavity is formed in the outer wall of the secondary crushing cavity; a grinding mechanism is arranged in the primary crushing cavity; a driving gear is arranged in the driving cavity; the driving gear is connected with a forward and reverse rotation motor; two sides of the driving gear are engaged and connected with vertical racks; guide sliding blocks are arranged on the back surfaces of the racks; guide sliding grooves matched with the guide sliding blocks are formed in the inner side wall of the driving cavity; the bottom parts of the two racks are both connected with rotatingmotors; output shafts of the rotating motors stretch into the secondary crushing cavity and are connected with smashing mechanisms through couplers; a plurality of discharging holes communicated withthe collecting cavity are formed in the bottom part of the secondary crushing cavity. The intelligent crushing treatment equipment disclosed by the invention has the advantages of simple operation, high waste smashing efficiency and high automation degree.

The invention discloses a crossed scraping-impacting composite drill bit belonging to the field of rock blasting tools for drilling equipment for oil and gas, mine engineering and building foundation engineering construction, geology, hydrology and the like. The crossed scraping-impacting composite drill bit comprises a drill bit body, a fixed cutting structure, a disc cutter cutting structure and a hydraulic structure, wherein the fixed cutting structure, the disc cutter cutting structure and the hydraulic structure are arranged on the drill bit body; the drill bit body is also provided with an impact cutting structure; and the impact cutting structure comprises a force transferring mechanism for transferring impact forces and impact cutting teeth, wherein the impact cutting teeth are solidified on a punch arranged at the tail end of the force transferring mechanism, and the punch can slide or slidingly impact relative to the drill bit body in the impact force transferring direction. Compared with a drill bit for blasting a rock in a cutting way, the crossed scraping-impacting composite drill bit is not only beneficial to the drilling of the cutting teeth of the drill bit to stratums and the increment of the rock blasting efficiency, but also beneficial to the retardance of the wear rate of the cutting teeth and particularly has remarkable technical advantages for higher-strength and stronger-abrasiveness stratums which are difficult to drill.

An device for accelerating the conditioning process of a stringed musical instrument by causing such instrument to be continuously strummed and vibrated, whereby such vibrations are transmitted to the wooden body of the instrument, which causes the instrument to be prematurely aged and over time improves the consistency, richness, and quality of the sound produced by the instrument when played.

The invention discloses a forage refined processing device for producing livestock production. The forage refined processing device comprises a base plate, wherein a supporting framework is verticallyand fixedly arranged on the base plate; a second driven bevel gear which is in meshed connection with a driving bevel gear is fixedly arranged on a second driven shaft in a sleeving manner; a plurality of cutting blades are fixedly arranged at the bottom of a cutting pressure disc at equal intervals; a stamping block is positioned in a smashing groove; a driving rack upward extends above the supporting framework. The forage refined processing device disclosed by the invention has the advantages that the cutting pressure disc is driven by vertical reciprocation of the supporting framework to preliminarily cut and smash forage into segments in a feeding chute; a driving shaft drives smashing blades to rotationally cut the forage entering a smashing tank, so that secondary smashing and refining of the forage are realized; the stamping block is driven by vertical reciprocation of a stamping rod to perform repeated impact crushing on the forage in the smashing groove, and further third-time smashing of the forage is realized; by using three-time smashing action, the refining degree of the forage is greatly improved, as well as high smashing speed and good smashing effect are realized.

The invention relates to a special hydraulic breaking device for pavement breaking. The special hydraulic breaking device for pavement breaking comprises an operating plate, a convex-shaped support, three hydraulic cylinders, a working plate, four limit springs, three fixed seats and three hammer heads. The two ends of the convex-shaped support are installed at the two sides of the lower end face of the operating plate through bolts. The bottom ends of the three hydraulic cylinders are installed at the lower end face of the operating plate respectively. The top ends of the three hydraulic cylinders are connected with the working plate. The four limit springs are installed between the convex-shaped support and the working plate uniformly. The three fixed seats are welded to the lower end face of the working plate uniformly. Each hammer head comprises a connecting shaft and a head portion. External threads are installed at the upper ends of the connecting shafts. The connecting shafts are connected with the fixed seats. The head portions are welded to the lower ends of the connecting shafts. Six petal-shaped hammer thorns are arranged at the peripheries of the head portions, and character-one-shaped hammer blocks are arranged at the bottom ends of the head portions. According to the special hydraulic breaking device for pavement breaking, the function of quickly breaking small-grained cement blocks on a pavement is achieved, and the advantages of being high in breaking speed, small in breaking grain, small in labor intensity and high in working efficiency are possessed.

An array of crystalline silicon dies on a substrate and a method for yielding the array are provided. The method comprises: delineating an array of die areas on a crystalline semiconductor wafer; implanting the die areas with hydrogen ions; overlying the die areas with a layer of polymer to form, for each die, an aggregate including a die area first wafer layer; polymerically bonding an optically clear carrier to the die areas; thermally annealing the wafer to induce breakage in the wafer; forming, for each die, an aggregate wafer second layer with a thickness less than the die thickness; and, for each die, conformably attaching the aggregate wafer second layer to a substrate. The substrate can have an area of up to approximately two square meters and the wafer second layer can have a thickness of greater than and equal to approximately 20 nanometers.

The invention discloses a gear-wheel composite drill bit with an impact cutting structure and belongs to the field of rock-breaking tools for drilling equipment of petroleum, natural gas, mining engineering, building foundation project construction, geology, hydrography and the like. The gear-wheel composite drill bit comprises a drill bit body and a gear-wheel cutting structure, wherein the drill bit body is provided with an impact cutting structure; the impact cutting structure comprises a force transmitting mechanism which transmits impact force and an impact cutting gear; the impact cutting gear is fixedly arranged on a punch at the tail end of the force transmitting mechanism; and the punch can slide or glidingly impact relative to the drill bit body in the impact force transmitting direction. Compared with the traditional gear-wheel drill bit, the gear-wheel composite drill bit is higher in rock-breaking efficiency and longer in the service life of the drill bit, can effectively reduce drilling cost, and is particularly suitable for harder and difficultly drilled grounds.

The invention relates to a crushing device and particularly relates to a high-reliability glass crushing device. The technical problem to be solved by the invention is to provide a high-reliability glass crushing device which is uniform in crushing. In order to solve the technical problem, the invention provides the high-reliability glass crushing device comprising a top plate, a first supporting rod, a second supporting rod, a third supporting rod, a rotating motor, a first rotating shaft, a rack, a first sliding block, a first fixed pulley, a first sliding rail and the like; the right side of the top of a second sliding rail is provided with a fourth supporting rod located at the right of a second sliding block; the top of the second sliding block is provided with a crushing tank; a first elastic element is arranged between the right side of the crushing tank and the left side of the fourth supporting rod; and a second fixed pulley is arranged above the left side of the fourth supporting rod. By using the high-reliability glass crushing device, the effects that glass can be uniformly crushed, the crushing treatment efficiency is high, and the device is simple in operation are achieved.

The invention belongs to the technical field of agriculture big data, and particularly relates to an efficient solid fertilizer crushing device for agriculture big data and aims at achieving the technical purpose of providing the efficient solid fertilizer crushing device for the agriculture big data, wherein the efficient solid fertilizer crushing device is easy to operate, high in crushing speed and crushing efficiency and good in crushing effect. To achieve the above technical purpose, the efficient solid fertilizer crushing device for the agriculture big data is provided and comprises a bottom plate, a rear side plate, collecting boxes, oblique plates, a discharging hopper, a first motor, a small belt wheel, a cylindrical cam, a first rotation shaft, a large belt wheel, a flat belt and the like. The collecting boxes are welded to the left side and the right side of the top of the bottom plate. The rear side plate is welded to the middle of the top of the part, between the two collecting boxes, of the bottom plate. According to the efficient solid fertilizer crushing device for the agriculture big data, the left-right movement of a crushing plate and rotation of blades are driven at the same time through rotation of the motor, and the solid fertilizer is crushed.

The invention belongs to the technical field of lithium battery recovery, in particular to a lithium battery recovery process. The sorting and recovery device in the process comprises a main body, a No. 1 elastic air bag, a motor, a rotating shaft, a feeding port, a crushing unit, a screening module, a sorting unit, a grinding unit and a collection module. The motor is arranged on the top of the main body, one end of the rotating shaft is connected with the motor driving device, the bottom of the rotating shaft is rotatably connected with the screening module, the feeding port is arranged on one side of the motor on the top of the main body, the crushing unit is rotatably connected with the rotating shaft, and the screening module is located between the crushing unit and the sorting unit;The sorting unit is used for sorting the initially crushed metal material with the first screen, and a collection module is fixedly installed at the bottom of the grinding unit. The lithium battery ofthe invention is twice crushed without multiple treatments, has high sorting efficiency, adopts electromagnetic sorting, separates the metal from the positive electrode material and waste residue, and speeds up the recovery of the positive electrode material.

The invention relates to the field of tobacco additives, in particular to a preparation method and an application of a fruit flavor extract. The preparation method includes the steps: crushing fresh plant fruits to prepare into slurry; adding compound enzyme into the slurry to hydrolyze, and performing purification and concentration for hydrolysis products to obtain the fruit flavor extract. The compound enzyme comprises protease and glycoside hydrolase, and the weight ratio of the protease to the glycoside hydrolase is 1: (15-60). According to the preparation method, enzymolysis is performed for fresh fruits by the aid of specific biological enzyme, walls are effectively and rapidly broken, macromolecular substances are transformed, and impurities are removed. When the obtained fruit flavor extract is used for cigarettes, cigarette flavors can be richened, sweet feeling is increased, moisture retention of cigarette senses is achieved, comprehensive evaluation indexes are good, and the preparation method is simple in preparation process, wide in application range and applicable to large-scale popularization and application.

The invention discloses a disc cutter composite drill bit belonging to the field of rock blasting tools for drilling equipment for oil and gas, mine engineering and building foundation engineering construction, geology, hydrology and the like. The disc cutter composite drill bit comprises a drill bit body and a disc cutter cutting structure arranged on the drill bit body; the drill bit body is also provided with an impact cutting structure; and the impact cutting structure comprises a force transferring mechanism for transferring impact force and impact cutting teeth, wherein the impact cutting teeth are solidified on a punch arranged at the tail end of the force transferring mechanism, and the punch can slide or slidingly impact relative to the drill bit body in the impact force transferring direction. Compared with a drill bit (also named as wheel type drill bit) with the disc cutter cutting structure, the disc cutter composite drill bit is not only beneficial to the drilling of the cutting teeth of the drill bit to stratums and the increment of the rock blasting efficiency, but also beneficial to the retardance of the wear rate of the cutting teeth and particularly has remarkable technical advantages for higher-strength and stronger-abrasiveness stratums which are difficult to drill.

The invention relates to a waste brick crushing device for construction, in particular to a high-efficiency waste brick crushing device for construction. The invention aims to solve the technical problem of proving the high-efficiency waste brick crushing device for construction, which has the advantages of being time-saving, labor-saving, high in crushing speed, and high in efficiency, and people are not damaged easily by splashing fragments during brick crushing. To solve the technical problem, the high-efficiency waste brick crushing device for construction, which is provided by the invention, comprises a bottom plate, a crushing frame, a left plate, a guiding plate, a sliding rail, a first sliding block, a second sliding block, a first connecting rod, a transverse plate, a lifting mechanism, a top plate, a reminding device and the like, wherein the crushing frame is mounted at the top of the bottom plate in the manner of bolt connection; and the left plate is mounted on the left side of the top of the bottom plate in the manner of bolt connection. According to the high-efficiency waste brick crushing device provided by the invention, through the effect of the reminding device, the quantity of waste bricks to be crushed in the crushing frame can be controlled, and crushing teeth can powerfully and rapidly crush the waste bricks.

The invention relates to the technical field of waste slag crushing equipment and particularly relates to waste slag classifying and crushing equipment provided with a vibratory screening device. The waste slag classifying and crushing equipment comprises a crushing tank; a feeding hole is formed in the top of the crushing tank; a first vibrating screen, a second vibrating screen and a third vibrating screen are sequentially arranged from top to bottom inside the crushing tank; a first crushing chamber, a second crushing chamber, a third crushing chamber and a storage chamber are formed inside the crushing tank; a first vibrating motor, a second vibrating motor and a third vibrating motor are sequentially arranged from top to bottom at the left side surface of the crushing tank and are respectively connected with the first vibrating screen, the second vibrating screen and the third vibrating screen. By adopting multi-layer classified crushing, the waste slag classifying and crushing equipment can be used for simultaneously crushing waste slag different in diameter, so the crushing speed is greatly increased and the crushing quality is guaranteed; the waste slag classifying and crushing equipment has the advantages of high speed, complete crushing, high work efficiency and the like.

An device for accelerating the conditioning process of a stringed musical instrument by causing such instrument to be continuously strummed and vibrated, whereby such vibrations are transmitted to the wooden body of the instrument, which causes the instrument to be prematurely aged and over time improves the consistency, richness, and quality of the sound produced by the instrument when played.

The invention discloses a sludge living organism cell wall breaking device and a method used for sludge living organism cell wall breaking. The device comprises a jet-flow feeding system, an ore pulp high-pressure circulating cavitation system, a high-strength magnetic medium grinding system and a cooling system, wherein a sludge raw material is input into the high-strength magnetic medium grinding system through the jet-flow feeding system; a transmission system is started for enabling a stirrer to stir, so that sludge is grinded for promoting sludge living organism cell wall breaking; the ore pulp high-pressure circulating cavitation system is started for circulating sludge slurry inside and outside the magnetic stirring barrel; and the cooling system is started for keeping a temperature in the magnetic stirring barrel constant until sludge living organism cell wall breaking is completed. The device integrates a Maurice model, a high-pressure homogenizing principle, a hydrodynamic cavitation principle, a gas bubble stretching and dispersing principle, a static cyclone principle, and the like, can be used for quickly and efficiently realizing sludge living organism cell wall-breaking with low cost, is simple in operation process, is convenient to operate, and meets industrial production.

The invention relates to a breaking equipment used for a hematology department, in particular to a breaking equipment used for the vacuum blood collection tube of the hematology department. The invention aims to solve the technical problem of providing the breaking equipment, which can save time and labor, can improve breaking speed, can protect workers and is simple in operation and convenient inuse, used for the vacuum blood collection tube of the hematology department. In order to solve the technical problem, the invention provides the breaking equipment used for the vacuum blood collection tube of the hematology department. The breaking equipment comprises a base, supporting rods, a box body and the like, wherein the left side and the right side of the top of the base are respectivelyvertically connected with the supporting rod through bolts; the box body is connected between the top ends of the two supporting rods through bolts; the lower part of the front side surface of the box body is provided with a first opening; the front side surface of the box body of the left side of the first opening is connected with a cover plate through a hinge. According to the breaking equipment, a breaking device can be driven through a driving device to break a vacuum blood collection tube so as to achieve an effect on saving time and labor, improving breaking speed, protecting workers and being simple in operation and convenient in use.

The invention relates to a shredding device for rodlike medicinal materials, in particular to a quick shredding device for rodlike medicinal materials of the traditional Chinese medicine family. The quick shredding device for the rodlike medicinal materials of the traditional Chinese medicine family is high in shredding speed, convenient to operate and novel in structure, and comprises a bottom plate, brackets, a storage platform, a collecting frame, a push plate, a first baffle, a first electric push rod, a first slide rail, a first slide block, a first connection rod, a second connection rod and the like; the center of the top of the bottom plate is provided with the two brackets; the storage platform is arranged at the top ends of the two brackets; the collecting frame is arranged on the right side of the top of the bottom plate; a left frame is arranged on the left side of the top of the bottom plate; the right side of the left frame is provided with a fixed rod; the first slide rail is arranged in the center of the right side of the fixed rod; and the slide block is slidably connected to the first slide rail. The quick shredding device achieves the effects of being high in shredding speed, convenient to operate and novel in structure.

The related extraction method for polyhydroxy fatty acid ester from active sludge comprises: centrifuging the sludge to dry the solid and obtain dried active sludge with 5-15% water content; grinding the product into fine grain of 40-10item; adding chloroform by weight ratio with the sludge as 1:25-50; treating with supersonic wave, water-bath oscillating, centrifuging, condensing, and adding methanol of 20-40 times; and centrifuging to separate solid and put into petri dish for drying. This invention benefits to residual sludge treatment and comprehensive utilization, and cuts the extraction time for higher efficiency.

The invention relates to a crushing device and particularly relates to a stone fast crushing device for ore processing. The invention aims to provide the stone fast crushing device for ore processing fast in crushing speed. In order to solve the technical problem, the invention provides the stone fast crushing device for ore processing. The stone fast crushing device for ore processing comprises a left rack, a left gear, a left slide block, a left slide rail, a left connecting rod, a cover plate, a right connecting rod, a right slide rail, a right slide block, a right gear, a right rack, a right rotary shaft and the like; a lower rotary shaft is arranged at the top end of a servo motor, a first small belt pulley and a second small belt pulley are arranged on the lower rotary shaft, the second small belt pulley is located below the first small belt pulley, and a crushing device is arranged at the top end of the lower rotary shaft. The device provided by the invention rotates forward and backward alternately by virtue of the servo motor, so that the right crushing plate and the left crushing plate crush the stones, thereby achieving the effects of being fast in crushing speed, simple in operation and simple in structure of the device.

The invention discloses a sludge resourceful treatment method and application. According to the method, sludge is treated by a biological enzyme and is then mixed with a magnetic medium; a mixture is transferred into a sludge cell wall breaking device to be subjected to wall breaking treatment; the sludge obtained after the wall breaking treatment is subjected to magnetic separation to recover the magnetic medium; then, solid-liquid separation is performed; the solution ingredients obtained through the solid-liquid separation are subjected to concentration, alcohol precipitation and drying to obtain organic matter ingredients; the solid ingredients obtained after the solid-liquid separation are carbonized to obtain carbonized particles; the organic matter ingredients are used as mineral flotation surface modifiers; carbon particles are used as fuel or adsorption materials to be used; the sludge resourceful utilization can be really realized. The method has the advantages that the sludge cell wall breaking can be fast and efficiently realized at low cost; useful ingredients are extracted from the sludge; the process is simple; the operation is convenient; the industrial production requirements are met.

The invention relates to a crushing device, in particular to a medical fast crushing device of an injector. According to the technical problem to be solved, the medical fast crushing device of the injector is high in crushing speed and crushing efficiency, and carries out crushing uniformly. To solve the technical problem, the medical fast crushing device of the injector comprises a crushing cabinet, a strut I, a support, a motor I, a strut II, a ring-shaped sliding rail, a sliding block I, a crushing groove, an electric pushing rod, a guide sleeve I, a rack I, a fixing shaft, a straight gear, a sliding rail I, a sliding block II, a guide sleeve II, a rack II, a bearing pedestal I, a rotating shaft I, a reel I, a bearing pedestal II, a bevel wheel I, a bearing pedestal III, a rotating shaft II, a bearing pedestal IV, a bevel wheel II, a reel II, a motor II, a tooth missing bevel wheel, a drawing wire I, a crushing hammer I, a drawing wire II and a crushing hammer II. The medical fast crushing device of the injector achieves the effects of being high in crushing speed and crushing efficiency and carrying out crushing uniformly.

The method provides a method for extracting total ribonucleic acid (RNA) of fish brain tissue. The method specifically includes subjecting the fish brain tissue to liquid nitrogen quick freezing, trizol lysate treatment, low-temperature high-speed centrifugation, and extraction by ammonium sulfate and chloroform n-butyl alcohol, adding isopropanol-sodium acetate for mixing, subjecting a mixture to adsorption and purification through an RNA purification and adsorption column, performing deoxyribonucleic acid (DNA) enzyme treatment, and performing washing to obtain total RNA of the fish brain tissue. According to the method for extracting the total RNA of the fish brain tissue, the influence of lipids (such as phospholipid, glycolipid, and cholesterol) and proteins in the fish brain tissue on RNA extraction is avoided, and the RNA separation and purification method is stable in purity, good in integrity, high in repeatability, and free of pollution.