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

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 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 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.

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 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 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.