75results about How to "Ensure personal health" patented technology

The invention discloses a soybean processing device for agricultural product processing, and relates to the technical field of production equipment. The soybean processing device comprises an impurityremoval device and a cleaning device; the top of the cleaning device is fixedly connected with the bottom of the impurity removal device; the bottom of the cleaning device communicates with a water circulation device; a dust removal device is fixed to one surface of the cleaning device; the impurity removal device comprises a storage tank, and a rotating shaft penetrates through the side face ofthe storage tank; and the cleaning device comprises a cleaning box, a supporting frame is fixed to the top of the cleaning box, and a first motor is fixed to the top of the cleaning box. Through combination use of the impurity removal device and the cleaning device, soybeans can immediately enter the cleaning device to be cleaned after being screened, thus the transport process is omitted, screening equipment and cleaning equipment do not need to be purchased correspondingly, the occupied area is small, the cost, manpower, material resources and time are saved, and the work efficiency is improved.

The invention discloses an environment-friendly geological exploration device comprising a hydraulic power station, a hydraulic oil pipe, an outer cylinder and an upper cover. Supporting feet are arranged on the side walls of the outer cylinder; the upper end of the outer cylinder is connected with the upper cover; a damper is arranged in a cavity of the upper portion of the outer cylinder; the hydraulic power station is connected with the damper through the hydraulic oil pipe; a vibration exciter is connected below the damper through a first elastic device; a gear box is connected under the vibration exciter; a pile gripper is connected on the gear box, and a hammer body is connected below the pile gripper; a pile cap damping block is mounted at the lower end of the outer cylinder; and a pile cap is mounted below the pile cap damping block through connecting pieces. According to the environment-friendly geological exploration device, after a rock layer is struck, a vibrating head is taken down, a sampling drill is mounted, a motor is started, and the rock layer can be sampled, so that abrasion of the sampling drill is effectively avoided. When floating in the air, slurry powder and barite powder are watered through spraying nozzles, accordingly dust is reduced effectively, and personal health of workers is guaranteed.

The invention discloses an anti-pathogen hyperimmune yolk antibody, an AAV vector vaccine based preparation method and a preparation. The preparation method of the hyperimmune yolk antibody comprisesthe steps of selecting a first gene sequence containing an antigen protein fragment from a genomic sequence of a pathogen, and synthesizing a pathogen protective antigen gene through codon optimization; packaging a recombinant AAV vector vaccine carrying the antigen gene; and immunizing a healthy laying hen, and preparing the yolk antibody from a hen egg of the laying hen. According to the method,recombinant adeno-associated viruses with high safety, quick and simple packaging, low cost and stable expression are used as the vector vaccine for expressing protective antigen proteins of virusesor bacteria, the hen egg can be collected by immunizing the healthy laying hen once, the antivirus or antibacterial yolk antibody as an active component in yolk is extracted, and the antibody is natural immune globulin and can kill the viruses or bacteria and prevent viral or bacterial infection.

The invention discloses a recycling treatment method of a waste packaging barrel. The recycling treatment method comprises the following steps that (1) residual liquid is cleared, wherein the residualliquid in the waste packaging barrel is collected; (2) sheet slicing is carried out, wherein the bottom and the cover of the waste packaging barrel with the residual liquid cleared are removed, a treated waste packaging barrel sheet raw material is put into a sheet slicing machine for sheet slicing, and finally leveling treatment is carried out; (3) ultrasonic cleaning is carried out, wherein thebarrel sheet subjected to sheet slicing in the step (2) is put into ultrasonic cleaning equipment, and a cleaning solution is added for carrying out ultrasonic cleaning; (4) rinsing is carried out, wherein the barrel sheet cleaned in the step (3) is put into a rinsing solution for rinsing; and (5) draining off is carried out, wherein the barrel sheet rinsed in the step (4) is put into a draining-off groove to be drained off. According to the method, the waste packaging barrel is cleaned and recycled by adopting a sheet slicing mode, so that the recycling rate of the waste packaging barrel isimproved, the recycling process is simplified, the cleaning solution can be recycled, the energy utilization rate is improved, the cost is reduced, and the environmental pollution is reduced.

The invention discloses a toluene insoluble substance measuring device which comprises an extraction cylinder and a beaker, wherein the extraction cylinder is connected with the beaker; a sealing element is arranged above the extraction cylinder; a liquid inlet is formed in the sealing element, and is connected with a liquid feeding device. The toluene insoluble substance measuring device disclosed by the invention can meet the requirements on measurement of a toluene insoluble substance and intensively realizes functions of liquid feeding, heating, stirring, filtration experiment and the like; moreover, the toluene insoluble substance measuring device is simple and reliable in structure, the requirements on an operator are greatly reduced, the experimental period is greatly shortened, the work efficiency is improved, and simultaneously, the operator is prevented from the contact with chemical reagents for a long time so as to ensure the safety of the operator.

The invention discloses a device facilitating rapid drying of feed. The device comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with the bottom ends of four supporting rods correspondingly, moreover, the top ends of the four supporting rods are fixedly connected with the four corners of the lower surface of a box body correspondingly, and the box body is internally divided into an upper chamber and a lower chamber through a partition plate. According to the device facilitating rapid drying of the feed, the bottom plate, the supporting rods, the box body, thepartition plate, the upper chamber, a spiral device, a first bearing, a second bearing, a driving device, a first supporting plate, a feeding pipe, a cover plate, a hinge, a hot air blower, a hot airpipe, a second exhaust pipe, a second filter screen, a power supply and a switch are arranged, so that when the feed needs to be heated and dried, a worker firstly control the hot air blower to workthrough the switch, then the hot air blower blows hot air into the upper chamber through the hot air pipe, then the humidity in the upper chamber is reduced, the speed of drying the feed is accelerated, and then the quality of the feed is ensured in the drying process of the feed.

The invention provides a geological survey drilling rig, and belongs to the technical field of geological survey tools. The geological survey drilling rig comprises a main drill pipe, a pneumatic impactor and a secondary drill pipe which are arranged in sequence from bottom to top, and an air passage in the secondary drill pipe, the pneumatic impactor and the main drill pipe communicates with an air compressor through an air channel. A fixing rod is arranged on the outer wall of the secondary drill pipe, a drill bit is arranged at the lower end of the main drill pipe, and a dust recovery device is arranged above the fixing rod. The geological survey drilling rig utilizes the air compressor to provide power, compressed air is blown towards the drill bit along the air passage in the secondary drill pipe, the pneumatic impactor and the main drill pipe, and the pneumatic impactor drives the drill bit to drill holes in an impact mode, so that manpower is saved. At the same time, the air compressor is discharged through the air passage, the effects of cooling the drill bit and blowing out dust are achieved, drilling is performed while punching, and the drilling efficiency is improved. The dust generated in the drilling process can be recovered by the dust recovery device, the dust is prevented from floating around and affecting the observation of operators, and the clean working environment and the personal health of the operators are ensured at the same time.

The invention provides an intelligent wardrobe remote control method and a remote intelligent control wardrobe, and relates to the technical field of smart home. The intelligent wardrobe remote control method comprises the following steps: S101: in accordance with clothing characteristics, pre-saving clothing classifying information, and in accordance with the pre-saved classifying information, confirming various clothing classifying areas in the wardrobe; S201: collecting pictures of to-be-stored clothing, and comparing the collected clothing picture with the pre-saved clothing classifying information so as to confirm the classifying areas where the classified clothing is to be placed; and S301: after classifying the selected clothing, calling the corresponding classifying areas, and pushing the clothing in the classifying areas to the gate of the wardrobe. According to the intelligent wardrobe remote control method and the remote intelligent control wardrobe provided by the invention, classifying management of clothing in the wardrobe can be conveniently implemented, and required clothing can be conveniently selected by users.

The invention relates to the technical field of beer production and aims at providing a method for producing beer with low purine content from malt roots. The method comprises the main steps of decrustation, degermination and crushing of malt, wort saccharification, malt root treatment, beer fermentation and filling. The method reduces a material with low purine content, wherein the material with low purine content has influences on gout, so that the health of a consumer is guaranteed. The method also can change waste material into things of value and improve a utilization rate of malt roots. In the invention, a malt decrustation and degermination technology is adopted in saccharification and thus a nucleic acid macromolecular material in wort is reduced; a nucleic acid material remained in malt root degradation is adopted in fermentation; and the content of a purine material in a final product of beer is controlled to 10.5mg / L. The beer with low purine content has physicochemical and hygiene indexes meeting national standard requirements of beer and has a taste similar with common beer.

The invention relates to the technical field of air purification and particularly relates to a fresh air transfer and supply system. The fresh air transfer and supply system comprises an air freshening area and an air pollution region, wherein an air freshener is arranged in the air freshening area; an output end of the air freshener is connected with a low-pressure air pipe; the low-pressure air pipe extends into the air pollution region and the right end is closed; a low-pressure air pipe segment in the air pollution area is connected with a micropressure air pipe through a quick coupling; and an air outlet end of the micropressure air pipe is provided with a breathing mask. The fresh air transfer and supply system is suitable for use in various bad air working environments, the condition that a worker breathes fresh air can be ensured no matter how bad the air environment in an operation area is, and the personal health of the worker is ensured.

The invention discloses a conveyor for grain processing. The conveyor comprises a rack, and the bottom of the rack is movably connected with a first supporting leg and a second supporting leg. A firstelectric push rod is mounted on the first supporting leg, and universal wheels are mounted at the bottom of the first supporting leg and the bottom of the second supporting leg. A transmission roll and a driving roll are mounted on the rack, and a motor is mounted on a support. The motor and the driving roll are in transmission connection through a belt, and a discharging box is arranged on the left side of the rack. A third supporting leg and a fourth supporting leg are arranged at the bottom of the discharging box. The third supporting leg and the fourth supporting leg are fixed to the rack, and second electric push rods are mounted on the third supporting leg and the fourth supporting leg. A dust collector is mounted on the right side of the discharging box. The conveyor is novel in structure and convenient to operate, the dip angle of the rack can be adjusted through the first electric push rod, different needs are met, and the conveyor can adapt to different positions conveniently. The work environment and personal health are guaranteed, and high practicality is achieved.

The invention discloses a device for simultaneously measuring a plurality of types of insoluble substances. The device comprises more than two insoluble substance determining devices, a vacuum pump and a solvent system, wherein the insoluble substance determining devices comprise a first insoluble substance determining device or a second insoluble substance determining device; each insoluble substance determining device comprises a heating device, a liquid feeding device, a pumping device and a solvent room; the insoluble substance determining devices are arranged in the shells; the solvent system is connected with the pumping device by a liquid feeding pipeline; the pumping device of the first insoluble substance determining device further comprises a steam loop; the solvent system is connected with the solvent room of the first insoluble substance determining device by the liquid feeding pipeline; the second insoluble substance determining device further comprises a sealing piece; the sealing piece is provided with an agitating device and a liquid inlet; the liquid inlet is connected with the solvent system by a pipeline. According to the device disclosed by the invention, a set of peripheral device is commonly utilized to carry out insoluble substance determination of the two types of insoluble substances, so as to simultaneously determine toluene quinoline insoluble substances.

The invention discloses a disinfection device for a medical operation tool. The disinfection device comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a box body;a disinfection water box is fixedly connected with the top of the bottom plate and is positioned at two sides of the box body; the top of the box body is fixedly connected with a protection cover; thetop of the inner wall of the protection cover is fixedly connected with a first motor; one end of an output shaft of the first motor is fixedly connected with a bi-directional threaded rod through ashaft coupler; the bottom end of the bi-directional threaded rod penetrates through the box body and extends to the inside of the box body; one end, extending to the inside of the box body, of the bi-directional threaded rod is fixedly connected with a baffle plate. The disinfection device relates to the technical field of medicine. The disinfection device for the medical operation tool has the advantages that the omnibearing fast and efficient disinfection on medical operation tools in the box body can be realized; the time and the labor are saved; the work efficiency is improved, so that themedical operation tool can be used for a long time; the human body health of patients is guaranteed; great convenience and high speed are brought for the subsequent work.

The invention provides a pipe-penetrating work table. The pipe-penetrating work table comprises support frames, a work table which is arranged on the pipe-penetrating work table to be used for placing aluminum foil to be subjected to pipe penetration, a positioning plate which is arranged on the work table, a blowing component which is arranged on one side, which is away from the aluminum foil, of the positioning plate to blow the openings of pipe fittings, and a driving device which is arranged on the work table to drive the blowing component to move in the length direction of the positioning plate, wherein positioning holes which are used for positioning the pipe fittings are formed in the positioning plate, and the positioning holes and mounting holes which are formed in the aluminum foil to be used for mounting the pipe fittings are formed in a one-to-one correspondence manner. According to the pipe-penetrating work table disclosed by the invention, the manual labor strength in the pipe-penetrating process can be reduced, the production efficiency is improved, and the human body health of workers is ensured.

A portable clean bench comprises a bench shell and an independent power source for power supply. The bench shell is provided with a sterile operating cavity, a glove mounting end, an exhaust end and apurification air inlet end, and the glove mounting end, the exhaust end and the purification air inlet end are communicated with the sterile operating cavity. The glove mounting end is used for hermetical mounting of operating gloves; the exhaust end is used for exhausting waste air; the purification air inlet end is used for air introduction and purification; the sterile operating cavity is internally provided with an ultraviolet lamp for sterilization and disinfection, and the ultraviolet lamp is in electrical connection with an independent power source. The portable clean bench with an independent air environment structure and a power supply structure can be used for real-time on-site field sterile separation operation through independent field operation.

The invention provides a water-soluble graphene conductive ink and a preparation method thereof. The water-based graphene conductive ink composite material comprises water-soluble graphene powder, a connecting resin material, an auxiliary agent and a solvent. According to an experimental method provided by the invention, the water-soluble graphene conductive ink can be prepared on a large scale. Deionized water is used as a solvent to replace a traditional organic solvent, and the water-soluble graphene conductive ink with good conductivity, good toughness, good compression molding performance, good impact resistance and adhesive force meeting requirements is obtained through selection and proportioning of bonding resin. Due to the excellent conductivity of the graphene component, the conductivity stability of the product is improved, and the resistivity is reduced. The defects of environmental pollution and high cost of the traditional conductive ink are overcome, and the water-soluble graphene conductive ink is expected to be suitable for large-scale commercial production.

Disclosed is a rice transplanter. The rice transplanter comprises a frame which is fixed onto a floating plate; both sides of the front end of the floating plate are provided with symmetrical rice transplanting ports; the frame is provided with a power device, a rice seedling storage device, a rice seedling pressing device, a rice seedling separating device, a lifting device capable of lifting upand down the rice seedling separating device, and a rice transplanting device; the power device comprises a first rotating shaft arranged on the frame, and the first rotating shaft is fixedly providedwith a rice seedling separating cam, a rice seedling lifting cam, a rice seedling pressing cam, a first chain wheel and a second chain wheel, wherein the second chain wheel drives the rice transplanting device through a second chain; the rice seedling separating cam is correspondingly matched with the rice seedling separating device and drives the rice seedling separating device; the rice seedling lifting cam is correspondingly matched with the rice seedling lifting device and drives the rice seedling lifting device; the rice seedling pressing cam is correspondingly matched with and drives the rice seedling pressing device. The rice transplanter enables rice transplanting workers to transplant rice seedlings in a standing state, avoids burden on waist and spine and maintains high rice transplanting efficiency all the time.

The invention discloses a chemical silvering device for plastic products. With the device, an integrated silvering processing flow including soaking silvering, cleaning and drying of the plastic products can be implemented, workers do not need to repeatedly fish out the plastic products, the whole silvering processing flow of the plastic products can be completed by one worker, the workload of workers and the labor cost of silvering processing of the plastic products are effectively reduced, and the silvering processing efficiency of the plastic products is improved; and a chemical silvering raw material solution is effectively prevented from adhering to the hands of the worker, and the physical health of the worker is guaranteed. In the working process, a material storage and water passing mechanism carries the plastic products to sequentially enter the chemical silvering raw material solution, clear water and a drying tank, a motor is in meshing drive with a rack through a second gear, horizontal rotation of the plastic products is implemented, and the soaking silvering effect, the cleaning effect and the drying effect of the plastic products are remarkably improved. The chemical silvering device for the plastic products is integrally designed as a ring, and is simple in structure, ingenious in design, compact in structure, small in occupied area and high in practicability.

The invention relates to the field of diesel engines, in particular to a single-cylinder diesel engine. The single-cylinder diesel engine comprises a diesel engine body, a tail gas processor, a primary pipeline, an extrusion sheet, a gasket, a fastening screw, a secondary pipeline, an auxiliary opening, an activated carbon adsorption plate, a first limiting ring, a cylindrical box, a primary opening, a glass wool block, an upper cover, a limiting frame, a diesel filter box, a filter box, an insertion pipe, a communicating groove, a second limiting ring, a frame body, a filter screen and a sealing cover. According to the single-cylinder diesel engine, the tail gas processor is arranged at the tail end of an exhaust pipe of the diesel engine body so that the situation of air pollution causedby insufficient combustion of diesel of the diesel engine body can be effectively prevented, and the personal health of workers can be guaranteed to a certain extent; and the diesel filter box is arranged at an oil inlet pipe of the diesel engine body so that the purity of the diesel injected into the diesel engine body can be effectively guaranteed, and the situation that the diesel engine bodyis down due to impurities contained in the diesel is prevented.

The invention discloses a multifunctional closed tar residue collecting device, which comprises a tar residue collecting tank; a waste gas collecting pipeline is arranged at one end of the top plane of the tar residue collecting tank; a tar residue inlet pipeline is arranged at the other end far away from the waste gas collecting pipeline; a stirring part is arranged at the top of the tar residuecollecting tank and located between the waste gas collecting pipeline and the tar residue inlet pipeline; a heating part is arranged at the bottom in the tar residue collecting tank; a screening partis arranged on the inner side wall of the tar residue collecting tank; and a cutting part used for cutting tar residues is arranged in the tar residue inlet pipeline. By adopting the technical scheme,a traditional open-type tar residue collecting device is abandoned; closed tar residue collection is adopted, direct emission of toxic and harmful gas such as ammonia gas, hydrogen cyanide, phenols,hydrogen sulfide and benzopyrene is avoided, the device is more environmentally friendly, the closed device is beneficial for the personal health of workers in a working environment, and the device body is simple in structure, easy to operate and low in required cost.

The invention belongs to the technical field of emergency equipment for laboratories, and particularly relates to an emergency showering fire extinguishing device for a laboratory. The emergency showering fire extinguishing device comprises a box body, and a first storage tank, a second storage tank and a third storage tank are arranged in the box body; and the output ends of the first storage tank, the second storage tank and the third storage tank are provided with a first control valve, a second control valve and a third control valve correspondingly. According to the emergency showering fire extinguishing device, through the arrangement of the first storage tank, the second storage tank and the third storage tank, a smoke sensor detects the laboratory, and when the smoke concentrationreaches a set value, the smoke sensor transmits a signal to an intelligent controller, so that an alarm lamp and a buzzer start to give an early warning to remind a worker, workers can conveniently judge the fire behavior in time, then first control valve, the second control valve and the third control valve which are different are opened, different fire extinguishing devices can be conveniently used for carrying out correct fire extinguishing treatment on the laboratory, and the safety of the laboratory and the workers is improved.

The invention provides a water-soluble graphene electric-conduction ink and a preparation method thereof, wherein the water-based graphene electric-conduction ink composite material comprises water-soluble graphene powder, a linking resin material, an auxiliary agent and a solvent. According to the present invention, the large-batch water-soluble graphene electric-conduction ink can be prepared according to the experimental method of the present invention; deionized water is used as the solvent to replace the traditional organic solvent, the linking resin is selected, and the ratio is used, such that the water-soluble graphene electric-conduction ink having characteristics of good electric conductivity, good toughness, good compression molding and good impact resistance and meeting the adhesion requirement is blended; based on the excellent electric conductivity of the graphene component, the electric conduction stability of the product is increased, and the resistivity is reduced; andthe disadvantages of environment pollution and high cost of the traditional electric-conduction ink are overcome, and the water-soluble graphene electric-conduction ink is expected to be mass-produced.

The invention discloses a water tank and base assembly and a cooling fan having the same. The water tank and base assembly comprises a water tank body (3) and a base body (11), wherein a water tank cover (2) is arranged on the water tank body (3); a water discharge pipe (34) is arranged on the water tank body (3), and is provided with a first piston device; the base body (11) is provided with a water receiving box (112) for pumping a water supply pump; the water receiving box (112) is provided with a water inlet pipe (114) in butt joint with the water discharge pipe (34); and the water inlet pipe (114) is provided with a propelling device for propelling the first piston device to communicate with the water discharge pipe (34). The water tank and base assembly, provided by the invention, effectively prevents water in the water tank body from overflowing in the water tank pumping process, so that the use safety is improved; and moreover, the water tank and base assembly effectively prevents external dust and impurities from entering the water tank body to guarantee the health of users.

The invention relates to the technical field of fuel gas security and protection devices, in particular to a fuel gas safe monitoring control device. The fuel gas safe monitoring control device comprises a ball valve arranged on a fuel gas pipeline and a driver; a reduction gear is arranged on a valve shaft of the ball valve; a micro motor is arranged in the driver; an output gear of the micro motor is in meshed transmission with the reduction gear; a control box is arranged on one side of the driver; a main control circuit board and a power are arranged in the control box; a liquid crystal display screen and an alarming device are arranged on the front surface of the control box; a detection device is arranged on the control box; and the main control circuit board is separately electrically connected with the detection device, the liquid crystal display screen and the micro motor. The fuel gas safe monitoring control device is reasonable in design; through real-time monitoring and data displaying of a fuel gas concentration sensor and a carbon monoxide concentration sensor, a fuel gas pipeline is automatically switched off when fuel gas leaks, or ventilation is automatically started while alarming through a network; air quality is intelligently prompted with voice when a user uses fuel gas normally; and body health and safety of a user are ensured.

The invention provides a part assembling detection method. The method comprises the following steps that S10) the relative position relation between a detection tool and a second assembling part casing is determined; S20) when a first assembling part conductor and the second assembling part casing are in a standard assembling state, a capacitance reference value or a charge intensity reference value between the first assembling part conductor and the detection tool is calibrated; and S30) the capacitance or the charge intensity between the first assembling part conductor and the detection tool is detected to determine whether the assembling position relation between the first assembling part conductor and the second assembling part casing is qualified. According to the technical scheme, the technical problems that part assembling detection in the prior art is low in efficiency and economical performance and is harmful to the health of humans are solved.

The invention discloses an ironing and drying device for garment production, and relates to the technical field of garment production. The device comprises a support, a fixing frame and a drying device, wherein a supporting frame is fixed to the end surface of the top of the support, glass baskets are fixed to the top of the supporting frame, ultraviolet lamps are fixed into the glass baskets, connecting frames are fixed to the two sides of the fixing frame respectively, rotating shafts are rotatably matched with the interiors of the fixing frames respectively, a driving shaft and a driven shaft are fixed into the two connecting frames respectively, one end of the driving shaft penetrates the corresponding connecting frame and is in transmission connection with a driving mechanism, the drying device comprises a suspended hood, and an exhaust fan is fixed to the suspended hood through a vent duct. According to the device, through cooperative use of the support, the fixing frame and thedrying device, an ironed garment can be fast dried, moreover, in the treatment process, the garment is not crumpled again, and airing in a site is not needed, so that the working efficiency is improved, and the garment quality is guaranteed.

The invention discloses a gynecological hysteroscope polyp extirpating device. The gynecological hysteroscope polyp extirpating device comprises a connecting supporting rod, polyp extirpating pincers,an annular connecting grip, fixing screws, a rotating pressing handle and an electromagnet block. One end of the connecting supporting rod is connected to the polyp extirpating pincers, and a protective fixing block is connected to the end, away from the polyp extirpating pincers, of the connecting supporting rod. The side, away from the connecting supporting rod, of the protective fixing block is connected to the annular connecting grip, a first limiting fixing block is installed on the annular connecting grip, the side, away from a second limiting fixing block, of the first limiting fixingblock is connected to the annular connecting grip, and the fixing screws are installed on the first limiting fixing block and the annular connecting grip. The gynecological hysteroscope polyp extirpating device has the advantages that occlusion and fixation are reliable, loosening is avoided, clamping and extirpating operation is easy and convenient, time is shortened, and labor is saved; and meanwhile, misoperation is prevented, the personal health of a wounded person is guaranteed, and safety and reliability are achieved.

The invention discloses an improved qualitative and quantitative analysis method of modified polyacrylonitrile fiber, comprising the sequential steps of quality determining, sampling, drying and weighing, dissolving, drying and weighing, and calculating, wherein the quality determining step includes adding nitric acid into fiber, if it is determined that the form of the fiber is breaking form, using cyclohexanone in the subsequent dissolving step as a solvent to carry out dissolving, and if it is determined that the form of the fiber is swelling form, using acetone in the subsequent dissolvingstep as a solvent to carry out dissolving. The method herein has the advantages that different dissolving agents and dissolving conditions are utilized for fibers with different forms according to the state of the fibers with nitric acid during quality determining, namely a novel acetone process for swelling form is utilized, a cyclohexanone process for the breaking form is utilized, the flexibility is high, the efficiency is high, safety is good for personnel, and environmental friendliness is good.

The invention discloses an automatic welding method for an aluminum alloy sheet, and relates to the technical field of aluminum alloy welding, the automatic welding method for the aluminum alloy sheet comprises the following steps: step 1, cutting the sheet; secondly, the thin plate is pretreated; step 3, welding the thin plate; and fourthly, welding quality detection is conducted. A cut thin plate is placed on the grinding equipment, the grinding equipment is started to grind protruding points on the surface of the thin plate, residues attached to the surface of the thin plate are ground and removed, the surface of the thin plate is cleaned through the cleaning pool, impurities and dust on the surface are removed, and the surface of the thin plate is cleaned through the cleaning pool. And finally, drying equipment is used for drying the thin plate to prevent moisture from influencing the welding quality, so that the phenomenon that the surface of the thin plate is prone to cold joint or unstable welding during welding due to the fact that more residues or dust exist on the surface of the thin plate before the aluminum alloy thin plate is welded is avoided, the welding quality of the thin plate is guaranteed, and the percent of pass is increased.