288results about How to "Efficient crushing" patented technology

The invention provides a tunnel hard rock non-blasting excavation method. The tunnel hard rock non-blasting excavation method can realize efficient excavation of complete or relatively complete hard rock without adopting large excavation equipment such as a heading machine and the like , and is characterized by comprising the following steps of 1, drilling contour holes along a tunnel face contour line so as to determine a tunnel excavation range, and determining each drilling and grooving position according to the excavation range, then, forming and drilling a plurality of cavity expanding holes in the position close to the positions; 2, drilling a plurality of rows of guide holes between the contour holes and the cavity expanding holes; 3, drilling groove forming holes which are meshed and overlapped with each other at the determined drilling and grooving positions, and finally forming a groove cavity; 4, enabling the cavity expanding holes near the groove cavity to be subjected to impact crushing, and therefore expanding excavation is conducted on the groove cavity; 5, according to a certain excavation sequence, starting from the guide holes close to the expanded and excavated groove cavity, adopting a hydraulic breaking hammer for conducting impact breaking on the guide holes, so that excavation of the rock mass of a main body part is completed; and 6, conducting impact crushing on the contour holes.

The invention discloses construction waste recycling and filling equipment with a dust falling function, and belongs to the technical field of construction waste recycling. According to the construction waste recycling device, the movable dust falling mechanism, the pushing and compressing mechanism, the first recycling and smashing roller and the second recycling and smashing roller are arranged in a matched mode, through the design, effective smashing in the construction waste recycling process can be achieved, meanwhile, effective filling of the construction waste can be achieved, and the construction waste can be recycled in the treatment process. Effective and all-directional dust falling treatment on dust is achieved, the sanitation degree of a working area is guaranteed, meanwhile, the dust falling range can be effectively expanded, the actual application effect of the whole device is greatly improved, meanwhile, construction waste can be pushed to the two sides, it can be effectively avoided that waste is accumulated in a certain position of the device in a concentrated mode, and the service life of the device is prolonged. And meanwhile, construction waste can be compressed, waste of storage space in the device is avoided, and follow-up centralized treatment of the recycled waste is facilitated.

The invention belongs to the technical field of construction waste treatment, and discloses a construction waste crushing treatment device for house building construction. Comprising a crusher body and a base; the top end of the base is fixedly connected with a conveying frame through multiple sets of elastic sheet plates. The feeding end of the conveying frame communicates with the discharging end of the pulverizer body through a hose. A strong magnetic roller is installed in the conveying frame, a driving mechanism is installed between the base and the conveying frame, and materials in the conveying frame are conveyed in a vibrating mode through matched use of the driving mechanism and an elastic piece plate. A shifting mechanism is mounted between the base and the conveying frame, and metal fragments adsorbed on the strong magnetic roller are shifted to one side of the conveying frame through the shifting mechanism; according to the device, metal fragments adsorbed on the strong magnetic roller can be effectively removed, and the metal removal efficiency and accuracy are improved.

The utility model relates to the technical field of mining equipment, and discloses a water-cooling double-roller coarse crusher for natural asphalt ore, which comprises a crushing bin, the front parts of the outer walls of the two sides of the crushing bin are movably sleeved with first rotating shafts, and the rear parts of the outer walls of the two sides of the crushing bin are movably sleeved with second rotating shafts; and crushing rollers are fixedly connected between the two first rotating shafts and the two second rotating shafts, two inner bearings are fixedly arranged in the two first rotating shafts and the two second rotating shafts in a sleeving mode, and water inlet pipes are fixedly arranged in the multiple inner bearings close to one side in a sleeving mode. The cooling effect of the roller can be improved through the arranged efficient cooling structure, the service life of the roller is further prolonged, the water pipe can be better limited through the arranged auxiliary structure, the problem that the water pipe is twisted due to synchronous rotation caused by rotation of the rotating shaft is effectively solved, and the service life of the roller is prolonged. Therefore, the purpose of stable use is achieved.

The invention belongs to the technical field of solid waste material preparation, and particularly relates to a device for preparing a multi-element solid waste-based cementing material, the device comprises a preparation box, a grinding and crushing assembly is mounted in the preparation box, and the grinding and crushing assembly comprises a rotary mounting disc arranged in the preparation box; the differential requirements of multiple applications on the granularity of the solid waste-based cementing material can be accurately met, accurate-granularity products adaptive to different scenes are produced by conveniently switching the grinding discs, and compared with the traditional technology that if the granularity needs to be changed, shutdown, equipment disassembly and whole set of grinding parts need to be frequently carried out, the working procedures are tedious, consumed time is long, equipment idling is caused, and production is interrupted, the production efficiency is greatly improved. According to the device, complex disassembly is not needed, the switching process is started instantly when the servo motor rotates reversely, under the cooperation of the wedge-shaped limiting piece, the wedge-shaped groove and other assemblies, grinding disc switching is rapidly completed, follow-up production is rapidly connected, the downtime is shortened, the overall production efficiency is remarkably improved, and the continuous industrial production rhythm and the unit time yield can be improved.

The invention relates to a seeding device for saffron crocus planting, and aims to realize an efficient, accurate and automatic seeding process, the device comprises a blanking plate, a plurality of seeding mechanisms and a conveying system, each seeding mechanism is provided with a guide hopper, a plurality of brackets, an upper roller and a lower roller, the rollers are in contact with a conveying belt, and the conveying belt is provided with planting sheets; the saffron crocus corm sowing device is used for bearing and conveying saffron crocus corms, the device drives the rolling wheels and the conveying belt to rotate synchronously through the motor, stable conveying and accurate sowing of the saffron crocus corms are achieved, automation and high efficiency of the sowing process are achieved, the sowing efficiency is remarkably improved, and the labor intensity of workers is reduced; through accurate corm positioning and conveying, the integrity of the bud ends of the corms is guaranteed, and the germination rate and the growth quality after planting are improved; a stable and reliable conveying system and an optimized soil treatment mechanism are adopted, so that the continuity of the seeding process and the uniformity of soil coverage are ensured.

The invention relates to the technical field of photovoltaic power generation lighting, in particular to a photovoltaic power generation new energy outdoor lighting device which comprises a lighting lamp pole, a bearing seat is fixedly mounted at the top end of the lighting lamp pole, and a solar cell panel is fixedly mounted in a photovoltaic frame; an ice breaking assembly is arranged above the front end of the photoelectric lighting assembly and comprises an ice breaking push plate located above the solar cell panel, the section structure of the ice breaking push plate is of a triangular conical structure, ventilation shifting grooves are formed in the ice breaking push plate at equal intervals, and ice breaking probes are movably installed in the ventilation shifting grooves. Ice breaking treatment is conducted through the ice breaking probe firstly, an ice layer can be broken rapidly, a good foundation is laid for follow-up cleaning work, and therefore the overall cleaning efficiency is improved; the design of the ice breaking probe is generally fine, and the ice layer can be effectively broken on the premise that the solar cell panel is not damaged, so that the safety and the integrity of the solar cell panel are protected.

The invention discloses a superfine high-performance admixture system with a multi-stage separation dynamic screening function and a solid waste treatment operation method, and the system comprises a vibration crushing device which is used for crushing building solid waste into small blocks and obtaining the building solid waste small blocks; the first swash plate grinding device is used for grinding the small building solid waste blocks to obtain small solid waste particles; the solid waste grinding multi-stage separation dynamic powder selecting device is used for screening small solid waste particles and obtaining fine-particle-size materials; the second swash plate grinding device is used for carrying out secondary grinding on the fine-particle-size materials; and the solid waste ground powder material flow rate control partition board material cabin is used for carrying out wind separation on the materials. The treatment procedure is simple and efficient, the construction solid waste treatment operation is reasonable, the problems that the construction solid waste pollutes the environment, the treatment process is complex, and the cost is high are solved, and remarkable economic, environmental and social benefits are achieved.

The utility model is applicable to the technical field of annular thermosetting powder coating production, and provides a raw material crushing device for annular thermosetting powder coating production, which comprises a bottom plate, a crushing device and a crushing device, the material tank is arranged on the bottom plate and is provided with a material taking pipe; the feeding hopper is arranged on the charging bucket and is provided with a cover plate; the raw material crushing mechanism is arranged on the charging bucket and is used for crushing raw materials for producing the annular thermosetting powder coating; and the liftable raw material containing mechanism is arranged on the material tank and is used for containing raw materials for producing the thermosetting powder coating. According to the raw material crushing device for annular thermosetting powder coating production, provided by the scheme, raw materials for annular thermosetting powder coating production can be efficiently crushed, material taking is facilitated, and meanwhile, the raw material crushing device also has a dust collecting function, so that dust generated by crushing the raw materials is prevented from being diffused into air.

The utility model discloses a multifunctional film-mulching seeding machine, belongs to the technical field of seeding machines, solves the problem that the existing seeding machine cannot complete all cultivation operations of seed seeding, and adopts the technical scheme that the multifunctional film-mulching seeding machine comprises a rack, the rack is provided with a pesticide spraying device, a rotary cultivator device, a ridging device, a seed rope seeding device, a fertilizing device, a drip irrigation tape laying device, a film laying device and an earthing device, the pesticide spraying device comprises a pesticide storage barrel and a pesticide spraying rod, the rotary cultivator device comprises a rotary tillage blade, and the seed rope seeding device comprises a seed rope disc, a seeding pipe and a seeding wheel. The fertilizing device comprises a fertilizer box, a fertilizer discharging box, a connecting pipe and a fertilizing shovel, the drip irrigation tape laying device comprises a storage disc and a laying wheel, the film laying device comprises a film erecting rod and a film spreading roller, the soil covering device comprises a soil covering roller and a soil covering disc, and a notch is formed in the surface of the soil covering roller. The seeder disclosed by the utility model can automatically finish all cultivation operations required by seed sowing.

The invention discloses an energy-saving grinding device before impurity removal of a ganciclovir crude product, belongs to the technical field of ganciclovir grinding, and aims to solve the problems of high energy consumption and long time during grinding of the ganciclovir crude product. The device comprises a shell and an inner cylinder arranged in the shell, and further comprises a grinding roller arranged in the inner cylinder, the inner cylinder is composed of a third grinding cylinder, a second grinding cylinder, a first grinding cylinder and a collecting disc, the diameters of the third grinding cylinder, the second grinding cylinder and the first grinding cylinder are gradually decreased, and the inner cylinder is matched with the grinding roller which is fixedly connected and provided with inclined grinding teeth on the outer edge to form a multi-layer progressive grinding space; the grinding teeth incline and rotate to generate an inclined downward extrusion force, so that the material crushing is more efficient, the grinding degree can be accurately controlled, and the material is sequentially subjected to coarse grinding and accurate grinding, the motor drives the grinding roller to rotate forwards and backwards, and the material transfer and circulation are realized through the cooperation of the linkage mechanism and the discharging control mechanism, the anticlockwise rotation grinding of the motor and the clockwise rotation of the motor; the overall grinding efficiency is greatly improved, the grinding period is effectively shortened, and the efficiency is improved compared with traditional grinding equipment.

The utility model discloses a combined device for grain superfine grinding, which comprises a grinding hopper and an arc-shaped plate, and a round rod is fixedly mounted in the grinding hopper. The grain superfine grinding device has the beneficial effects that the arc-shaped plate and the grinding rollers which are distributed at equal angles are adopted, when grain superfine grinding is carried out, grain can be put into the grinding hopper from the feeding opening, the driving motor drives the main shaft rod to rotate, then the grinding rollers are driven to rotate, the grinding rollers rotate to grind the grain, and grinding is carried out; grain can be naturally collected to the bottom of the arc-shaped plate through gravity along the radian of the arc-shaped plate in the crushing process, more efficient grinding and crushing of the grinding rollers are facilitated, the trouble of scraper pushing is omitted, the structure is simplified, the production cost is reduced, meanwhile, the multiple grinding rollers distributed at equal angles can rapidly rotate for grinding, and the grinding efficiency is improved. Compared with a reciprocating type rolling structure, the device is faster and more efficient, meanwhile, the structure is simpler, and the working efficiency is improved on the basis that the structure of the device is simplified.

The invention discloses an efficient pretreatment system and method for kitchen waste, and the pretreatment system comprises a material receiving and conveying unit, a first-stage hydraulic pulping and sorting unit, a second-stage hydraulic pulping and sorting unit, a solid-liquid separation unit, a desanding unit, an oil-water separation unit and an impurity conveying unit. According to the system, kitchen waste can be efficiently crushed into fine slurry through the two-stage hydraulic pulping and sorting unit, the pulping effect and the impurity removal rate are improved, organic matter loss is reduced, the fine slurry is subjected to deslagging and refining through the solid-liquid separation unit and the sand removal unit in sequence, follow-up equipment blockage or damage can be avoided, the operation safety of the system is improved, and the service life of the system is prolonged. According to the system, solid-liquid separation and oil-water separation of the kitchen waste can be effectively realized, so that convenience is provided for subsequent resource utilization, and the resource utilization efficiency is improved; when the system is applied to kitchen waste treatment, the pulping effect can be improved, follow-up treatment is facilitated, the follow-up treatment process is simplified, and the kitchen waste treatment speed and efficiency are improved.

The utility model discloses environment-friendly garbage classification treatment equipment, relates to the technical field of garbage treatment, and solves the technical problems that in the prior art, garbage cannot be fully crushed, solid and liquid cannot be separated, and ferromagnetic and common solid garbage cannot be separated. The vertical column is fixedly provided with a material guiding pipe, the lower end of the material guiding pipe is provided with a waste liquid box, the lower end of the material guiding pipe is provided with a magnetic separation structure, the main base is provided with a solid waste window, and the main unit is provided with a magnetic waste window. The garbage treatment efficiency is improved; solid waste and liquid waste can be effectively separated, and follow-up treatment and recycling are facilitated; the equipment can effectively separate ferromagnetic garbage through a magnetic separation structure, so that the garbage classification precision and efficiency are improved; automatic operation can be achieved, manual intervention is reduced, and working efficiency is improved.

The invention relates to the technical field of iron-silicon-aluminum powder production, in particular to an iron-silicon-aluminum powder production device based on a gas atomization method powder.The iron-silicon-aluminum powder production device comprises a supporting frame, a reaction barrel is fixedly connected to the inner side of the supporting frame, a fixing rod is annularly and fixedly connected to the inner wall of the reaction barrel, and a fixing ring is fixedly connected to the inner side of the fixing rod; a motor is fixedly connected to the inner wall of the fixing ring, a first screw rod is fixedly connected to the output end of the motor, a rotating rod is fixedly connected to the top of the first screw rod, a tray is slidably clamped to the outer surface of the bottom of the rotating rod, and scraping plates are symmetrically and fixedly connected to the lower surface of the tray. The metal liquid extends into a sheet shape to fly out under the action of centrifugal force, and at the moment, the tray can also drive the metal liquid to move upwards, so that the metal liquid on the tray is closer to the gas collecting ring, and the high-speed gas flow can more effectively impact the metal liquid and crush the metal liquid into smaller and more uniform liquid drops.

The invention belongs to the technical field of power plant environmental protection devices, and discloses a power plant powder bin residual powder recycling device which comprises a smashing box, a rectangular box is fixedly installed on the outer wall of one side of the smashing box, a first screening pipe is rotatably installed in the smashing box, and a second screening pipe is rotatably installed on the inner wall of the first screening pipe. The two ends of the second screening pipe penetrate through the smashing box, and a smashing mechanism and a vibration mechanism are arranged in the rectangular box. The vibration mechanism comprises two second rotating rods rotationally installed in the smashing box, a motor drives a disc and a cylinder to rotate, the cylinder is in sliding connection with an annular block, circular motion is converted into vertical reciprocating motion, a rack is driven to move, the rack is meshed with a gear column to achieve staggered rotation, a round rod and a triangular smashing device are controlled to move, and waste is effectively smashed. And through vibration of the eccentric block, the crushing efficiency is improved, the screening grooves coincide after crushing, waste is discharged, and the eccentric block continuously vibrates to prevent blockage.

The invention provides anti-moisture absorption pineapple whole fruit powder and a preparation method thereof, and belongs to the technical field of food processing. An anti-moisture-absorption agent used for the anti-moisture-absorption pineapple whole fruit powder is prepared from pineapple pomace powder, vital gluten and maltodextrin according to the mass ratio of (0.05-0.15): (0.1-0.3): 1, pineapple juice and the anti-moisture-absorption agent are mixed to obtain mixed feed liquid, the mixed feed liquid is homogenized, subjected to dynamic high-pressure microjet treatment and subjected to spray drying, and the anti-moisture-absorption pineapple whole fruit powder is obtained. Wherein the addition amount of the anti-moisture-absorption agent is 60-80wt% of the solid content of the pineapple juice. The pineapple pomace powder and the vital gluten are innovatively introduced to partially replace maltodextrin, so that the problem that the sensory quality such as aroma, flavor, color and the like of the fruit powder is reduced due to excessive use amount of the maltodextrin is solved; the raw materials are natural, healthy, low in price and easy to obtain, the content of dietary fibers and protein of the finished product is increased, and the nutritional value is higher.

The utility model provides a multistage crushing device for traditional Chinese medicine decoction pieces, which relates to the technical field of crushing devices, and comprises a main body and a screening mechanism, the main body comprises a crushing box, the interior of the crushing box is rotatably connected with a pair of first crushing rollers, and the interior of the crushing box is rotatably connected with a pair of second crushing rollers close to the lower part of the pair of first crushing rollers; a screening box is fixedly installed at the bottom end of the crushing box, a discharging box is fixedly installed at the bottom end of the screening box, a pair of third crushing rollers is rotationally connected into the discharging box, the screening mechanism comprises a mounting frame and a fixing frame, the mounting frame is fixedly connected with the screening box, a pair of fixing rods is installed at the upper end of the fixing frame, and springs are arranged outside the fixing rods in a sleeving mode. One ends of the springs are fixedly connected with the fixing frame, the other ends of the springs are fixedly connected with the screening frame, and a vibration motor is installed at the bottom end of the screening frame. According to the traditional Chinese medicine decoction piece smashing device, smashed particles can be effectively smashed after being screened, traditional Chinese medicine decoction pieces can be smashed for multiple times, and the traditional Chinese medicine decoction piece smashing device has high practical value.

The utility model discloses a paddy field sampling soil impurity removal device which comprises a treatment box, the treatment box comprises an impurity removal box, a feeding port is formed in the upper end of the impurity removal box, an adjusting assembly is arranged in the impurity removal box and comprises a detection box, a humidity sensor is arranged in the detection box, an adjusting box is arranged at the lower end of the detection box, and the humidity sensor is arranged in the adjusting box. A fixed seat is arranged on the end side of the adjusting box, a control motor is arranged on the fixed seat, a positive and negative tooth screw rod is arranged at the output end of the control motor, a shaft seat is arranged on the positive and negative tooth screw rod in a sleeving manner, a rotating motor is fixedly arranged on the shaft seat, and a crushing roller is arranged at the output end of the rotating motor. And the arranged humidity sensor is matched with the driving motor, the left-right distance between the smashing rollers can be automatically adjusted according to the soil humidity, the distance between the smashing rollers is adjusted according to the soil humidity, caked soil can be more effectively smashed, and therefore the impurity removing efficiency is improved.

This invention relates to the technical field of fire hydrants and discloses an intelligent fire hydrant with water consumption monitoring function, comprising: a hydrant end cap at the upper end of the hydrant body assembly, and an equipment assembly installed inside the hydrant end cap; a transparent detection window on the hydrant body assembly, a rod inside the transparent detection window, a central rotating shaft installed on the inner side of the transparent window assembly, and a rotating scraper on the central rotating shaft; the rod can detect the water level in the hydrant body in real time, and the rotating scraper can clean the dirt on the surface of the transparent window assembly; this invention, through the coordinated linkage structure of the float, rod, and float plate inside the transparent detection window, combined with the visual observation slot design of the transparent window assembly, realizes real-time accurate monitoring and intuitive visual feedback of water consumption in the fire hydrant, effectively solving the technical pain points of traditional fire hydrants lacking convenient monitoring methods and having difficulty in accurately controlling water consumption.

The utility model discloses a flushing structure at the dry and wet interface of an absorption tower flue, which relates to the technical field of flushing equipment and comprises a flue body and an absorption tower body, the flue body is provided with a 90-degree break angle communicated with the side wall of the absorption tower body, the side wall of the flue body is fixedly connected with a hydraulic cylinder, and one end of the hydraulic cylinder penetrates through the inner wall of the flue body. The end, located in the flue body, of the hydraulic cylinder is movably connected with a hydraulic push rod, the side wall of the hydraulic push rod is fixedly connected with an installation base, the side wall of the installation base is fixedly connected with a servo motor, and the output end of the servo motor penetrates through the inner side wall of the installation base. Compared with the prior art, the device has the advantages that the flushed large scaling blocks can be efficiently crushed, the scaling blocks are ensured to be quickly crushed under the action of bidirectional shearing force, the risk that blades of the side-entering stirrer of the absorption tower are damaged is further reduced, and meanwhile, the possibility that a filter screen at an inlet of a slurry circulating pump is blocked is also reduced.

The utility model discloses a chopping device for waste metal recycling, relates to the technical field of waste metal chopping, and can solve the technical problems that in the prior art, due to tight combination of metal and plastic, after waste metal is crushed, a large amount of waste plastic left on the surface of the waste metal can be mixed with the crushed metal, and the waste metal is damaged. And in order to achieve separation of mixed waste plastic and crushed metal, an electromagnet is installed on the side face of a second separation hopper. And when the waste plastics and the crushed metal are crushed, guided by the guide plate and slide down along the inner wall of the second separation hopper, the electromagnet plays a role to adsorb the crushed metal material. And after all the waste plastics completely fall off, the electromagnet is demagnetized by operating the control assembly, so that the adsorbed metal fragments fall off, effective separation of the metal fragments and the electromagnets is realized, the working efficiency is improved, and the overall operation difficulty is reduced.

The utility model relates to the technical field of industrial production, and particularly discloses a ring hammer assembly convenient to replace and a crushing device thereof. The ring hammer assembly comprises a bearing seat, a rotating roller and a ring hammer, and a crushing cavity is formed in the interior of the crushing machine box in a hollow mode. The bearing seats are fixed to the two sides of the crushing cavity, the rotating rollers are installed in the bearing seats through bearings and can rotate freely, and the ring hammers are detachably fixed to the rotating rollers. Preferably, crushing teeth are arranged on the ring hammer, are made of hard alloy or ceramic materials, are triangular or rectangular, and are uniformly distributed along the circumferential direction of the ring hammer. A feeding port, a discharging port, a screen and a discharging port are further arranged in the crushing machine box so that materials can be effectively treated. In addition, the utility model further provides a ring hammer assembly positioning mechanism, rotation of the rotating roller is limited through a positioning block and a positioning pin, and the ring hammer is convenient to replace. The ring hammers are connected and fixed on the rotating roller through bolts and nuts or keys or expansion sleeves, so that the stability and the replaceability of the ring hammers are ensured.

The invention discloses a rapid nucleic acid extraction device based on an ultrasonic technology, and relates to the technical field of nucleic acid extraction, the rapid nucleic acid extraction device comprises an ultrasonic module and a microfluidic chip, the microfluidic chip is installed at the top end of the ultrasonic module, the ultrasonic module further comprises a base, a cavity is formed in the middle of the base, a bottom electrode is deposited on the upper end face of the base, and the bottom electrode is arranged in the cavity. A piezoelectric layer is deposited on the bottom electrode, a top electrode is deposited on the upper end face of the piezoelectric layer, and the micro-fluidic chip is installed on the upper end face of the top electrode, the ultrasonic module and the micro-fluidic chip are combined, the requirements for miniaturization and rapidness are met, the requirement for high-precision performance can be met while the POCT miniaturization, rapidness and convenience are met, and the cost is reduced. Ultrasonic waves are emitted based on a structural mode of the silicon chip, the device is small and simple, the miniaturization of the nucleic acid extraction module is realized, the nucleic acid extraction process can be carried out in a smaller space, the size of equipment is greatly reduced, and the cost is reduced.

The utility model belongs to the technical field of plate waste treatment, and particularly relates to a plate processing waste treatment device which comprises a treatment box, a crushing mechanism I, a crushing mechanism II, a driving assembly, a transmission assembly, a sieve tray, a linkage assembly, a mounting plate, a flow guide plate and two material guide boxes, feeding ports are formed in the top and the upper positions of the two sides of the treatment box, a discharging port is formed in the bottom of one side of the treatment box, and the two material guiding boxes are fixedly installed at the upper positions of the two sides of the treatment box respectively and matched with the corresponding feeding ports. The plate waste crushing device is reasonable in design, can efficiently and thoroughly crush to-be-treated plate wastes with different sizes and different types so as to meet the requirements of subsequent processing or treatment, simultaneously realizes automatic screening of the crushed plate wastes and avoids the occurrence of the condition of blocking the sieve tray, effectively improves the treatment efficiency, and reduces the labor intensity of workers. And feeding and discharging of plate waste are facilitated, so that the whole treatment process is smoother and more efficient.

The application discloses a method for excavating a connecting channel by using a plasma torch, and the method comprises the following steps: carrying out freezing construction in a stratum until a freezing wall is closed, and the soil in the excavation path of the connecting channel is frozen into a frozen soil body; drawing an excavation contour line of the connecting channel on a working face, the excavation contour line is drawn according to the excavation path of the connecting channel, and the excavation contour line is located in the enclosure of the freezing wall; S2, drawing a cutting line on the working face, the cutting line is located in the enclosure of the excavation contour line of the connecting channel; S3, cutting the frozen soil body along the cutting line by using the plasma torch to obtain a cutting groove; and S4, inserting a nozzle of the plasma torch into the cutting groove. By reasonably designing the cutting line layout and the cutting unit area and combining the high-efficiency melting and crushing of the frozen soil body by the plasma torch, the method overcomes the shortcomings of low efficiency and great difficulty of the traditional construction method, and improves the construction efficiency and safety of the connecting channel.

The invention relates to the technical field of clothing production leftover material recycling, in particular to a leftover material recycling device and method for clothing production, the leftover material recycling device comprises a recycling box, supporting legs are arranged on the two sides of the recycling box, and a feeding port is formed in the top of the recycling box; the crushing mechanism comprises a first motor arranged on one side of the recycling box, and the output end of the first motor is in transmission connection with a first gear. The sharpness of crushing blades can be switched according to the hardness of the cloth leftover materials of different batches, and the crushing blades can be kept in a relatively blunt state for the cloth leftover materials with low hardness; over-cutting is avoided, energy consumption and abrasion of the crushing blades are reduced, so that production efficiency is improved, the crushing blades can be automatically adjusted to a sharper state for cloth leftover materials with high hardness, effective cutting and crushing can be guaranteed, and the situation that crushing is incomplete or multiple times of crushing is needed due to the fact that the crushing blades are not sharp enough is avoided.

This utility model relates to the field of cell disruption and filtration technology, and more particularly to a self-cleaning, anti-clogging cell disruption and filtration device. The technical solution is as follows: A self-cleaning, anti-clogging cell disruption and filtration device includes a shell, a collection frame, a fixed ring plate, a connecting shaft, and a fixed shell; the collection frame is slidably placed at the lower part of the shell, the fixed ring plate is fixedly connected inside the shell, the connecting shaft is rotatably connected to the upper part of the fixed ring plate, and the fixed shell is fixedly connected to the left side of the shell. This utility model performs preliminary filtration through a filter membrane, trapping larger fragments, while small particles and liquid permeate through the filter membrane into the collection frame. A motor drives the connecting shaft to rotate, causing the filter membrane to rotate slowly, evenly distributing cell fragments and avoiding localized accumulation. When the ultrasonic generator is activated, the high-frequency electrical signal is converted into mechanical vibration, and the resulting "cavitation effect" not only effectively breaks down the cell membrane but also releases the cell contents.

This utility model discloses a material feeding device for the modification of nano-calcium carbonate, including a storage tank. A cover plate is fixedly installed on the upper surface of the storage tank by multiple first bolts. A sealing gasket is fixedly installed on the bottom wall of the cover plate. A rotating shaft is rotatably installed on the bottom wall of the cover plate. A motor connected to the rotating shaft is fixedly installed on the upper surface of the cover plate. Multiple stirring blades are fixedly installed on the outer wall of the rotating shaft by a mounting sleeve. Each stirring blade is inclined. By setting up components such as a rotating shaft, stirring blades, connecting rods, and scrapers, this utility model allows the stirring blades to rotate when the rotating shaft drives them to rotate. The adjacent stirring blades with opposite inclination directions can form a bidirectional shearing force on the nano-calcium carbonate, effectively breaking up agglomerates and avoiding conveying blockages caused by agglomeration, thus improving the continuity of feeding. At the same time, the scraper rotates with the rotating shaft against the inner wall of the storage tank, which can promptly scrape off the material adhering to the wall, reducing material loss and cleaning difficulty.