71results about How to "Easy to recycle later" patented technology

The invention relates to an intelligent classification dustbin. The intelligent classification dustbin is characterized by comprising a base, a rotating driving mechanism, a center shaft, a rotary table, a classification bin and a bin lid unit, the base and the bottom of the center shaft are fixedly installed, the rotating driving mechanism comprises a driving plate and a driving motor, the driving plate is rotatably installed at the bottom of the center shaft, the rotary table which is located above the driving plate is rotatably installed on the center shaft, the rotary table is connected with the driving plate through a connecting column, the classification bin is installed on the rotary table and comprises multiple bin bodies, the bin lid unit is installed on the upper portion of the center shaft, the bin lid unit comprises a support, a bin lid covering the classification bin and an intelligent starting control panel located on the bin lid, the support is horizontally fixed on the top of the center shaft, the bin lid is installed on the support, and the bin lid is provided with an inlet opening capable of being opened and closed automatically. According to the intelligent classification dustbin, the structural design is scientific and reasonable, garbage can be subjected to detailed classification and recycled, maximized recycling of the garbage can be achieved, bacterial infection can be avoided, and odor dispersion is prevented.

The invention provides a method for treating aquaculture sewage based on microbial degradation, and belongs to the technical field of environmental protection. According to the method, a filtering filler loaded with algae bacteria is provided for preliminary adsorption and filtration of sewage, and algae bacteria fixed pellets are provided for symbiotic purification of the sewage. The algae bacteria are placed in a nitrogen-free phosphorus-free culture environment for enlargement culture, and nitrogen and phosphorus domestication is performed before loading or fixing, when the domestication operation is terminated, a weight percentage of ammonia nitrogen in the culture environment is at least 25%, and a weight percentage of phosphorus is at least 20%. The method has remarkable decontamination and deodorization treatment effects, can adapt to large changes in the nitrogen and phosphorus content of sewage, and treatment temperature, has high microbial nitrogen and phosphorus tolerance and removal rate, and has low treatment input cost and energy consumption. The used filtering filler has large loading capacity, high adsorption capacity and adsorption efficiency, and low biological loss during a storage period. The used algal bacteria fixed pellets have high mass transfer efficiency, good anti-microbial decomposition performance, long storage period and effective use period, and high sewage treatment efficiency of the microorganism at a relatively low temperature.

The invention discloses a combined cable structure, which comprises a cable outer layer, wherein a mounting cavity is formed in the middle of the cable outer layer; more than one fixing clip is clamped on the outer portion of the cable outer layer, and the fixing clips are uniformly distributed and clamped outside the cable outer layer; the inner end of the fixing clip protrudes into the mountingcavity, and the inner end of the fixing clip is provided with a cable core; the outer part of the cable core is wrapped with a separate protective layer; a water pipe is mounted in the mounting cavityin the middle of the cable outer layer and fixed and supported through the fixing clips; an elastic rubber layer is arranged at a position on the water pipe aligned to the cable core; and one end ofthe fixing clip is extruded and arranged to the elastic rubber layer. The combined cable structure has simple structure, great ventilation and heat dissipation performance and excellent shearing resistance; the cable core is easy to assemble and disassemble; the water pipe is arranged in the middle so as to combine the cable and the water pipe, thereby saving the layout area; and the water pipe isused for cooling the cable core, thereby increasing the heat dissipation performance.

The invention discloses a method to recycle phosphorus from farm waste and relates to the technical field of agriculture. The method comprises: mixing animal dry excrement and dolomite powder, and crushing to obtain a primary mixture; heating the primary mixture in an oxygen-free environment, allowing pyrolysis, and cooling to room temperature to obtain a magnesium-calcium oxide-carried carbon-based composite; adding the magnesium-calcium oxide-carried carbon-based composite into phosphorus-containing farming wastewater, transferring phosphate ions into pores or mineral structure of the magnesium-calcium oxide-carried carbon-based composite to obtain a secondary composite; subjecting the secondary composite to solid-liquid separation to obtain the separated solid matter, phosphorus-rich material. The pig manure and dolomite are used to prepare an adsorbing material, having low cost; the materials are taken in situ; the method is environmentally friendly, can adsorb phosphorus effectively, makes reasonable use of dry excrement solid waste from farms, extracts phosphorus from farm liquid waste so that less pollution is caused, and also extracts the phosphorus-rich material; triple purposes are achieved at a time.

The invention relates to the technical field of crop rotation culture, in particular to a wheat, oilseed rape and maize crop rotation cultivation method. The method comprises the steps that wheat, oilseed rape and maize crop rotation is performed in a field, due to the oilseed rape planting water-logged compost link, the application amount of chemical synthesis fertilizer can be greatly lowered, the current situation that two cropping systems of crops are not sufficient and single cropping is abundant in a Northern loess plateau dry land planting area is changed, due to the water-logged compost link, the soil section nitrogen supply capability can be improved, the available phosphorus, available iron and manganese contents are effectively increased, and the activities of sucrose, urease, alkaline phosphatase and proteinase are improved to different extents; compared with continuous cropping, due to crop rotation is performed on green manure crops of growing after wheat, the soil microbial diversity can be remarkably improved, the stability of an agroecological system is affected, the soil carbon cycling and phosphorus mobilization are accelerated, and the effective soil nutrient content is increased; meanwhile, the soil nitrogen mineralization rate is lowered, and stability and accumulation of soil nitrogen are promoted, so that the soil fertility level is increased, and the application amount of the chemical fertilizer is decreased.

The invention discloses a dyeing and drying integrated device for low stretch yarn processing. A dyeing assembly is used for carrying out dyeing treatment on low stretch yarn, a control box is fixed to the front side of a material return box assembly, a material scraping assembly is used for carrying out material scraping treatment on the inner wall of a stirring box, an air blowing assembly is used for carrying out pre-blow-drying on the low stretch yarn and is fixed to a dyeing box, a filtering assembly is used for filtering used pigment, a first fixed plate is fixed to the inner wall of a material return box, a drying assembly is used for drying the dyed low stretch yarn, the drying assembly communicates with the dyeing assembly through a first channel, and a cooling assembly is used for cooling the dried stretch yarn. The dyeing and drying integrated device for low stretch yarn processing is provided with the dyeing assembly, the number of first conveying rollers in the dyeing assembly is five, and the rendering time of the low stretch yarn in the dyeing box can be prolonged through the arrangement of the five first conveying rollers.

The invention discloses a variable-diameter building hole reservation device, and relates to the technical field of buildings. The variable-diameter building hole reservation device comprises a mounting base, wherein the inner wall of the mounting base is fixedly connected to springs I which are uniformly distributed; the outer sides of the springs I are fixedly connected to top blocks; the outersides of the top blocks are fixedly connected to a telescopic plate I and a telescopic plate II; rubber sleeves sleeve outside the telescopic plate I and the telescopic plate II; and the middle partsof rubber sleeves are filled with electrorheological fluid. According to the variable-diameter building hole reservation device disclosed by the invention, rotary plates are matched with the top blocks for use, so that the rotary plates are rotated to realize extension and retraction of the top blocks in use, and therefore, size of the diameter of the hole reservation device is changed, and hole reservation needs are met; and moreover, blocking blocks and blocking slots are used for realizing diameter fixing of the reservation device, so that later-stage pouring is convenient, and therefore, the variable-diameter effect is achieved, practicability is effectively improved, later-stage recycling and classifying of the reservation device is convenient, and labor amount is reduced.

The invention relates to a corn ear and stalk harvesting type harvesting platform capable of achieving crop lifting, stalk cutting and corn ear breaking, and belongs to the technical field of corn harvesting machines. The corn ear and stalk harvesting type harvesting platform mainly comprises a crop lifting device, a stalk cutting and corn ear breaking device and a stalk recycling device; the harvesting platform adopts the modular design, each group serves as an independent unit, and corn harvesting machine series for different harvesting rows can be formed; the crop lifting device is located at the headmost portion of the harvesting platform and is beneficial for picking up and guiding in fallen corn plants; the stalk cutting and corn ear breaking device is located above and behind the crop lifting device and used for performing the operation processes of corn ear breaking, stalk cutting, conveying and the like; the stalk recycling device is located below and behind the stalk cutting and corn ear breaking device and used for accurately cutting and conveying corn stalks.

The invention relates to the field of bridges, in particular to a self-propelled bridge surface cleaning vehicle. The invention aims at providing the self-propelled bridge surface cleaning vehicle which is safe, reliable and capable of conveniently cleaning up and recycling garbage on a bridge surface. The self-propelled bridge surface cleaning vehicle includes an object shoveling bucket, a mounting plate, electric wheels, a water storage bucket, a partition plate, a garbage recycling box, an air exhaust pipe, an electric spray gun, a fixing base, a first rotation shaft, a motor, a first wetting mesh plate, a butterfly-shaped bolt, a cover plate, a second rotation shaft, a mounting hood, a first bearing base, a first brush plate, a first bevel gear, a second bevel gear, a third bevel gear,a fourth bevel gear, a third rotation shaft, a second bearing base and fan blades. The self-propelled bridge surface cleaning vehicle is safe, reliable and capable of conveniently cleaning up and recycling the garbage on the bridge surface and can effectively treat and inhibit dust on the bridge surface.

The invention relates to the field of waste recycling treatment equipment, in particular to a solid waste multistage treatment device. The solid waste multistage treatment device comprises a vertically-arranged supporting mounting cylinder, a plurality of supporting mounting columns are arranged at the lower end of the supporting mounting cylinder at equal angles, a mounting separating plate is horizontally arranged at the upper half end in the supporting mounting cylinder, a driving mounting plate is vertically arranged in the middle of the upper end of the mounting separating plate, the upper end of the driving mounting plate is connected to the supporting mounting cylinder, and feeding holes are formed in the top of the supporting mounting cylinder and at the two ends of the driving mounting plate. The solid waste multistage treatment device can be driven by a single-motor in a bidirectional guide mode, a staggered extruding structure is matched, so that solid waste entering the device is firstly discharged out of waste liquid; and through a rotating and crushing structure of a shuttle type contact surface, the problem that the waste liquid and the solid waste are bonded due todirect crushing is solved, the materials can be rapidly transferred, the efficiency of material crushing and guiding is improved, professional recycling is facilitated, the crushing precision of the device is high, and later recycling is facilitated.

The invention relates to the field of residual material recovery treatment equipment, particularly to silicone rubber thermal-insulation pad residual material recovery treatment equipment. The technical problem to be solved by the present invention is to provide silicone rubber thermal-insulation pad residual material recovery treatment equipment with advantages of uniform and complete breaking, convenient recovery at the late stage, clogging preventing and effectively-improved filtration efficiency and capable of deodorizing generated gas during breaking. The silicone rubber thermal-insulation pad residual material recovery treatment equipment comprises wheels, an installation frame, a conveying device, a separation plate, a gas suction hood, a gas suction pipe, an air pump, a deodorizingtank, a gas discharge pipe, a fine material breaking cutter, a fine material filtering screen, a first rotation shaft, a fine material treatment frame, a first transmission wheel, a transmission belt, a second transmission wheel and the like. According to the present invention, the silicone rubber thermal-insulation pad residual material recovery treatment equipment has advantages of uniform andcomplete breaking, convenient recovery at the late stage, clogging preventing and effectively-improved filtration efficiency, and can deodorize generated gas during breaking.

The invention belongs to the field of concrete recycling, and particularly relates to a highway tunnel sprayed concrete rebound material collecting and utilizing system. The system comprises a base, a smashing box is fixedly connected to the base, two smashing rollers are connected into the smashing box in a rotating mode, cleaning rollers matched with the smashing rollers are connected into the smashing box in a rotating mode, and worm wheels are coaxially fixed to the smashing rollers and the cleaning rollers. The system has the advantages that concrete rebound materials recycled in a collecting box can be conveyed into the smashing box through an arranged vacuum pump to be smashed through the two smashing rollers, broken stone particles and cement powder entering a separating box can be automatically separated through an arranged filter screen, so that labor loss caused by manual separation is avoided, in conclusion, through the arrangement of the system, the three working procedures of material receiving, smashing and separating can be combined, so that the tediousness of additionally adding the working procedures is avoided, and the efficiency of the recovery operation is greatly improved.

The invention relates to an intelligent classification dustbin. The intelligent classification dustbin is characterized by comprising a base, a rotating driving mechanism, a center shaft, a rotary table, a classification bin and a bin lid unit, the base and the bottom of the center shaft are fixedly installed, the rotating driving mechanism comprises a driving plate and a driving motor, the driving plate is rotatably installed at the bottom of the center shaft, the rotary table which is located above the driving plate is rotatably installed on the center shaft, the rotary table is connected with the driving plate through a connecting column, the classification bin is installed on the rotary table and comprises multiple bin bodies, the bin lid unit is installed on the upper portion of the center shaft, the bin lid unit comprises a support, a bin lid covering the classification bin and an intelligent starting control panel located on the bin lid, the support is horizontally fixed on the top of the center shaft, the bin lid is installed on the support, and the bin lid is provided with an inlet opening capable of being opened and closed automatically. According to the intelligent classification dustbin, the structural design is scientific and reasonable, garbage can be subjected to detailed classification and recycled, maximized recycling of the garbage can be achieved, bacterial infection can be avoided, and odor dispersion is prevented.

The invention discloses a building waste recovery device for building construction, relates to the technical field of building waste treatment, and provides the following scheme that the building waste recovery device comprises a crushing box, supporting legs are welded to the four corners of the bottom of the crushing box, a feeding hopper is installed on the outer wall of the top of the crushing box, and symmetrically-distributed crushing rollers are installed in the crushing box in the length direction; a first servo motor is connected to the outer wall of one end of each smashing roller through a coupler, three arc-shaped clamping grooves distributed at equal intervals are formed in the surface of each smashing roller, and arc-shaped clamping blocks are slidably connected to the inner walls of the arc-shaped clamping grooves in a clamped mode. Construction waste is conveyed through the conveying belt firstly, in the conveying process, plastic waste such as plastic bags or waste pull nets mixed in the construction waste is hung through the second scraping rod rotating continuously, then the second scraping rod rotates to be taken out, and the plastic waste is taken out in a butt joint mode in cooperation with the first scraping rod stretching and retracting continuously in a reciprocating mode; therefore, the garbage can be classified, and the recycling efficiency is improved.

The invention relates to the field of plastic recovery, and particularly relates to a waste plastic bottle classification and recovery method. A vending machine body, a control box, a recovery box, adrying mechanism, a feeding mechanism and an automatic classification mechanism are included, wherein the drying mechanism is connected to the top of the side face of the recovery box; the feeding mechanism is connected into the recovery box and comprises a feeding pipe, an air blower and a baffle; the inner bottom of the recovery box is connected with the air blower; an outlet of the air blower is connected with the feeding pipe; the outer side wall of the feeding pipe is connected with the inner side face of the recovery box; the side faces, attached to each other, of the feeding pipe and the recovery box are provided with feeding empty grooves correspondingly; and the tops of the feeding empty grooves are rotationally connected with the baffle through hinges. The vending machine with the plastic bottle recovery function has the beneficial effects that materials can be put from the low position and start to fall from the inner top of the recovery box, and the internal volume of the recovery box is sufficiently stored and utilized.

The invention relates to the field of medical supplies processing, in particular to a powder filling production line for TDP moxibustion. The powder filling production line for TDP moxibustion includes: a mounting bracket, a motor fixed on the mounting bracket, an output shaft is arranged on the motor and the output shaft is set along the horizontal direction, the output shaft is provided with aneccentric wheel, a limit cylinder, an eccentric wheel and a turntable on the side away from the motor in turn, the limit cylinder is provided with a limit groove along the circumferential direction ofthe central axis, the limit cylinder is sleeved with a sliding frame, which is used to avoid the power leakage in the limit cylinder when the limit cylinder rotates, the sliding frame is rotatably connected with a rotating shaft and the bottom of the sliding frame is provided with an outlet opening for the reclosing with single limit groove respectively, a loading hopper is sleeved on the mounting bracket, one side wall of the bottom of the loading hopper is contact with two eccentric wheels, and a sliding channel is arranged at the bottom end of the loading hopper, the sliding frame is slidably connected with sliding channel, and the top of the sliding frame is connected with the loading hopper. The powder filling production line for TDP moxibustion solves the problem of unevenness of discharge material and the recovery and cleaning of powder dust scattered around the patch because of the adhesion.

The invention discloses a high-efficiency energy-saving vertical PP acid-base waste gas washing tower which comprises a tower body, an acid pump, a first medicine tank, an alkali pump, a second medicine tank, a first packing layer, a first spraying mechanism, a second packing layer and a second spraying mechanism, wherein a first observation window is formed above one side of the tower body, a second observation window is arranged on one side of the tower body, and is located below the first observation window, an air inlet is formed in one side of the tower body, and is located below the second observation window, a first supporting plate is arranged at the bottom of the other side of the tower body, the top of the first supporting plate is provided with the acid pump, the top of the acidpump is provided with a first connecting pipe, the top end of the first connecting pipe is connected with the top of the other side of the tower body, the first medicine tank is arranged on one sideof the acid pump, and the second supporting plate is arranged on the symmetric side of the other side of the tower body; a generated waste liquid can be recycled, later cycle use is facilitated, resources are saved, meanwhile, all steps of acid and alkali waste gas purification are completed in a washing tower, so that the purification efficiency is greatly improved.

Achildren audio reading material comprises a book cover, book pages, a normal reading area, a blind person reading area, an induction module, a sound module and an RFID label. The product can be readby normal children and children with visual impairment at the same time, and has an audio playing function for the normal children and the children with visual impairment. According to the invention,the sound module, the induction module and the RFID tag are integrated in the interlayer of the book page, are not exposed, have the effect of protecting elements, keep the book page flat and are convenient to carry; in addition, the induction module is used for triggering the sound module, the problem that children with visual impairment cannot accurately find the switch is solved, and the children with visual impairment can also enjoy audio reading materials.

The invention discloses an environment-friendly garden waste drying treatment device, and relates to the technical field of environmental protection. A treatment box is included, the top end of the treatment box is fixedly connected with a feeding hopper, the upper part in the treatment box is fixedly connected with a pretreatment cylinder, and the lower part in the treatment box is fixedly connected with a drying cylinder; and a zoned crushing mechanism is arranged in the pretreatment cylinder, a drying mechanism is arranged in the drying cylinder, a sweeping anti-blocking mechanism is arranged below the pretreatment cylinder, air circulation conveying mechanisms are arranged at the two ends of the drying cylinder, and a conveying mechanism is arranged in the treatment box below the drying cylinder. The zoned crushing mechanism is arranged to achieve zoned crushing of waste; by arranging the sweeping anti-blocking mechanism, a filter screen can be swept repeatedly, waste is preventedfrom blocking meshes of the filter screen, discharging is smoother; and rapid zoned drying of the waste can be achieved by arranging the drying mechanism, the treatment effect on garden waste is good,and later recycling is facilitated.

The invention discloses a wooden furniture painting turnover device. The wooden furniture painting turnover device comprises a box body, a painting assembly and a turnover assembly arranged in the boxbody; the painting assembly comprises a paint spraying device and a moving device; the turnover assembly comprises a clamping device and a driving motor; the driving motor is fixedly installed on theouter wall of the box body and is in linkage with the clamping device; the clamping device comprises a rotating plate, a linkage shaft and a rotating shaft; and two sets of clamping plates are installed on the inner wall of the rotating plate in a floating mode through multiple sets of compression springs. According to the wooden furniture painting turnover device provided by the invention, the rotating plate and the clamping plates are adopted, furniture is quickly clamped through the elastic force of the compression springs, and the furniture is convenient to overturn in cooperation with the driving motor; the linkage shaft of a telescopic rod structure is adopted and matched with the other set of rotating plates, and the wooden furniture painting turnover device is suitable for clamping furniture of different lengths; paint in a paint storage box is conveyed into a paint spraying head through a paint spraying pipe and sprayed to the furniture through a paint spraying pump, meanwhile, the moving device drives the paint spraying head to move left and right, and comprehensive painting of the furniture is guaranteed.

The invention relates to the technical field of board surface polishing, in particular to an artificial board surface polishing device. The device comprises a box body, an adsorption board is fixedly installed in the box body, a height adjusting mechanism is installed at the top end of the box body, a movable polishing mechanism is installed on the height adjusting mechanism, and a protection structure is installed on the movable polishing mechanism. The machining height of the whole device can be effectively adjusted through the height adjusting mechanism, the purpose of positioning and polishing is achieved, workers without working experience can polish artificial boards more easily, the experience requirement of the working procedure for the workers is lowered, the whole structure is simple, and the input cost of the polishing working procedure is further lowered; wood chips generated in the polishing process can be prevented from being sputtered everywhere through the protection structure, and the environment quality of a machining area is further improved; and the manual carrying procedure can be replaced through a discharging mechanism, and the risks of crushing injury, pressing injury and the like occurring in the artificial board carrying process of the workers are avoided.

The invention discloses a stirred industrial wastewater treatment device. The stirred industrial wastewater treatment device structurally comprises a stirring main body, a feed opening, a support frame, a bearing seat and a differential mechanism, wherein the feed opening is inserted into and connected with the side of the stirring main body and is tightly connected with the interior of the stirring main body, the stirring main body is fixed above the support frame by virtue of a bolt, the bearing seat is arranged on the side of the stirring main body and is fixed above the support frame by virtue of a bolt, the differential mechanism is connected with the bearing seat by virtue of a shaft, and a slag outlet, a stirring and separating main body, a liquid outlet and a solid waste residue blocking mechanism are arranged on and formed in the stirring main body. According to the stirred industrial wastewater treatment device, after wastewater is separated, filtered waste residue can be automatically processed into blocks, so that personnel conveniently clean and put the waste residue, the workload of the personnel is reduced, the working efficiency is improved, additionally, the blocked waste residue is convenient to recycle in the late, the waste of resources is reduced, and the environmental protection is strengthened.

The invention relates to the field of supporting systems, in particular to a fabricated supporting system for medical building. The fabricated supporting system for medical building comprises a plurality of bottom plates and a plurality of limiting assemblies clamped at the edge of a floor slab, the bottom plates are rotationally connected with steering blocks, the steering blocks are hinged to supporting rods, and the supporting rods are slidably connected with telescopic rods in the length directions of the supporting rods; the supporting rods are provided with fixing assemblies for fixing the positions of the telescopic rods, assisting rods are arranged at the ends, away from the supporting rods, of the telescopic rods, the telescopic rods are provided with first fine adjustment pieces, and assisting blocks are hinged to the assisting rods. A plurality of connecting rings are coaxially and rotationally connected to the peripheral sides of the supporting rods, swing rods are hinged to the connecting rings, connecting rods are arranged at the ends, away from the connecting rings, of the swing rods, second fine adjustment pieces are arranged on the swing rods, connecting blocks are hinged to the connecting rods, and a plurality of connecting assemblies are arranged between the bottom plates and the connecting blocks. The fabricated supporting system has the effect of stably supporting wallboards with different inclination angles, the application range of the supporting system is widened, and the construction efficiency is improved.

The invention relates to a rock mass damage monitoring method in a rock foundation pit excavation process, and the method specifically comprises the steps: carrying out the three-dimensional numericalsimulation of a foundation pit, and determining a micro-seismic monitoring region through combining with the monitoring information in a construction process; in a monitoring area, preliminarily determining X micro-seismic sensor arrangement schemes, and selecting an optimal arrangement scheme through a large number of simulation experiments; installing the determined sensor arrangement position;placing a micro-seismic monitoring base station at the upper part of the foundation pit; connecting the installed micro-seismic sensor to a monitoring base station through an optical fiber; after themicro-seismic sensor is installed, performing a blasting positioning test, debugging system parameters, and checking positioning errors; and evaluating the current rock mass damage degree of the foundation pit according to the monitoring data of the micro-seismic base station. According to the method, the micro-seismic monitoring technology and conventional detection are combined, the slope blasting excavation loss area can be rapidly and accurately determined, the rock mass blasting influence range is reasonably and effectively controlled, and the method has important significance in ensuring construction safety and preventing foundation pit instability.

The invention discloses an RNA grinding and extracting system. The RNA grinding and extracting system comprises a box body and a liquid nitrogen tank, wherein the box body is of a cuboid structure, four supporting legs are fixed on the bottom of the box body, a liquid discharge pipe communicates to the lower portion of the box body, a valve A is installed on the liquid discharge pipe, a liquid storage box is arranged below the liquid discharge pipe, the liquid discharge pipe communicates with the liquid storage box, and the front surface of the box body is movably connected with a box door through a hinge. The RNA grinding and extracting system is reasonable in structural design and convenient to use. RNA is ground and extracted by mechanical milling. In the way, an operation process of manual grinding is omitted, and operation is simplified. Meanwhile, when liquid nitrogen is introduced, limbs can be prevented from being directly in contact with the liquid nitrogen, cold injury of hands by the liquid nitrogen is avoided, and the safety is greatly improved. A rotary grinding mode is adopted for mechanical grinding, and a grinding piece is pushed by an air cylinder, thus, a grindinghead of the grinding piece is abutted to a grinding groove, the grinding piece can be fully in contact with the grinding groove when a motor drives the grinding piece to rotate, and the grinding quality is guaranteed.

The invention relates to the field of residual material recovery treatment equipment, particularly to silicone rubber thermal-insulation pad residual material recovery treatment equipment. The technical problem to be solved by the present invention is to provide silicone rubber thermal-insulation pad residual material recovery treatment equipment with advantages of uniform and complete breaking, convenient recovery at the late stage, clogging preventing and effectively-improved filtration efficiency and capable of deodorizing generated gas during breaking. The silicone rubber thermal-insulation pad residual material recovery treatment equipment comprises wheels, an installation frame, a conveying device, a separation plate, a gas suction hood, a gas suction pipe, an air pump, a deodorizingtank, a gas discharge pipe, a fine material breaking cutter, a fine material filtering screen, a first rotation shaft, a fine material treatment frame, a first transmission wheel, a transmission belt, a second transmission wheel and the like. According to the present invention, the silicone rubber thermal-insulation pad residual material recovery treatment equipment has advantages of uniform andcomplete breaking, convenient recovery at the late stage, clogging preventing and effectively-improved filtration efficiency, and can deodorize generated gas during breaking.

The invention discloses an insulating sheet machining device capable of removing a knife cutting tracing. The insulating sheet machining device comprises a mounting base; a discharging frame and a cutting table are installed on the mounting base; three discharging shafts are installed on the discharging frame; the two ends of each discharging shaft are rotationally installed on the surface of thedischarging frame through power shafts respectively; shaft frames are installed on the cutting table; the shaft frames are installed at the two ends of the cutting table respectively; a cutting frameis installed on the cutting table; a knife cutting frame is installed on the cutting frame; a positioning frame is installed on the side, away from the shaft frame, of the cutting table; and a first hydraulic pump is installed on the knife cutting frame. According to the insulating sheet machining device capable of removing the knife cutting tracing, a transverse cutter and an outer frame cutter are arranged and operate separately; and a plurality of discharging shafts are arranged to collect insulating black adhesive tapes, backing materials and waste materials separately in a distinguishingmanner, so that the labor intensity of workers is reduced, later-period recycling is facilitated, and a die cutting plate is installed on an installation frame through an adjusting screw rod; and thedie cutting plate can be disassembled.

The invention provides a copper scrap recovery device, and relates to the technical field of copper scrap recovery. The invention discloses a copper scrap recovery method and device. Comprising a movable chassis and a shell; a shell is fixedly connected to the upper portion of the movable chassis, a feeding pipe is arranged in the middle of one end of the upper portion of the shell, and a feeding hopper is fixedly connected to the upper portion of the feeding pipe; a roll shaft blanking device is fixedly connected to the position, corresponding to the feeding pipe, of the upper portion of the interior of the shell. A scrap iron impurity removal mechanism is arranged below the roller shaft blanking device, and a weighing groove is formed below the scrap iron impurity removal mechanism. Through cooperation of a magnetic rolling belt and an electric roller brush, scrap iron adsorbed by the magnetic rolling belt can be continuously brushed off through the electric roller brush, scrap iron accumulation is avoided, the problems that in the continuous adsorption process of magnets, the magnetic force is weakened due to scrap iron accumulation, and copper scraps are mixed during scrap iron accumulation are solved, and the practicability of the device is improved.

The invention discloses a preparation method and a preparation device of metal niobium nanopowder, belongs to the field of metal processing, and provides the preparation method and the preparation device of the metal niobium nanopowder in order to solve the problems that an existing preparation method of the metal niobium nanopowder is low in preparation yield, high in preparation cost and not beneficial to industrial production. Power supply output waveforms and power supply parameters can be controlled through information fed back by an oscilloscope, and the dynamic characteristic of power supply discharge is improved by combining the control of components and temperature of a processing medium solution, so that the purpose of accurately controlling the arc discharge intensity on the surface of a workpiece is achieved, the electric arc is controlled to discharge from the nanometer level to the micrometer level according to requirements, it is ensured that powder from the nanometer level to the micrometer level can be generated when a pure metal niobium plate is bombarded by the electric arc every time, the nanometer-level metal niobium powder can be attached to the surface of the pure metal niobium plate, and later recovery is facilitated.

The invention relates to the technical field of laser engraving devices, and discloses a laser engraving device which comprises an engraving table, an engraving adjusting mechanism, a product clamping mechanism and a cleaning and scrap removing mechanism. The engraving table is horizontally arranged, and the engraving adjusting mechanism is arranged above the engraving table. According to the laser engraving device, through the arrangement of the product clamping mechanism, when two clamping plates act synchronously, the clamping or loosening action is achieved at a high speed, the clamping range is large, and use is convenient; through the arrangement of the cleaning and scrap removing mechanism, a working face is subjected to dust removing and scrap removing at the same time in a water cleaning mode and a gas cleaning mode, the cleaning effect is rapidly achieved; through the arrangement of a third filtering plate, waste scraps are separated from waste water, later recycling treatment is facilitated; through the arrangement a third motor and a heating net, a product carving face is dried; and through the arrangement of the engraving adjusting mechanism, synchronous movement of the left end and the right end of a movable plate is guaranteed through synchronous movement of a toothed chain, the product engraving precision is higher, and the product quality is improved.