99results about How to "Not easy to breathe" patented technology

The invention relates to motor maintenance equipment, in particular to motor surface dust comprehensive sweeping equipment for motor maintenance. The technical effects that the motor surface dust comprehensive sweeping equipment for motor maintenance is capable of saving manpower and time and low in labor intensity, dust is not liable to be inhaled by workers, and the motor surface dust comprehensive sweeping equipment does not influence physical health are achieved. In order to achieve the technical effects, the provided motor surface dust comprehensive sweeping equipment for motor maintenance comprises a bottom plate and the like. A support is vertically mounted on the left side of the bottom plate in a bolt connection mode. A rotary fixing device is arranged in the position, on the right side of the support, of the top of the bottom plate. Dust on the surface of a motor can be cleaned up rapidly, and the effects that manpower and time are saved, the labor intensity is low, dust is not liable to be inhaled by workers, and the motor surface dust comprehensive sweeping equipment does not influence physical health are achieved.

The invention discloses a laminated dielectric layer forming method, comprising the following steps: providing a substrate with a semiconductor structure; forming a first dielectric layer on the structure; adopting damp-removing process to the first dielectric layer; forming a second dielectric layer on the first dielectric layer which goes through damp-removing process. The invention also discloses a metal foredielectric layer forming method. With the methods of the invention adopted, the stress of the first dielectric layer in the laminated dielectric layer can be restored and maintained, therefore, the expected stress condition of the dielectric layer is increased.

The invention relates to an underground micro-irrigation device, and belongs to the technical field of agricultural water-saving irrigation. The underground micro-irrigation device disclosed by the invention comprises a groundbreaking cone and an outer tube, wherein the groundbreaking cone is arranged at the lower end of the outer tube, an advance-retreat rotating rod, a water inlet pipe, a fixator, a soil scraper and an emitter are arranged in the outer tube, the fixator is arranged in the middle of the outer tube, the advance-retreat rotating rod and the water inlet pipe are fixed in the outer tube through the fixator, the soil scraper is arranged on the lower side inside the outer tube, a sliding rail is arranged at the lower part of the outer tube, and the emitter is arranged on the sliding rail. The underground micro-irrigation device disclosed by the invention can satisfy the water demands of crops; due to adoption of underground irrigation, water can be saved, so that the root system of a crop can achieve the best water uptake effect, and the utilization efficiency of water can be improved; the device can be inserted and drawn out randomly as required, and does not need to be pre-buried underground, the position and depth of irrigation can be adjusted, and the emitter has small possibility of being jammed; and the device is convenient to carry, easy to install, good in water-saving effect, and easy to popularize and apply.

The invention relates to a paint room with a paint production waste gas treatment system, and a paint production waste gas treatment method. The paint production waste gas treatment system comprises a waste gas treatment chamber communicated with a paint room body. A first longitudinal channel communicated with a waste gas outlet at the bottom of the paint room obey, a second longitudinal channel communicated with the top of the first longitudinal channel, a third longitudinal channel communicated with the bottom of the second longitudinal channel, and an exhaust hole arranged at the top of the third longitudinal channel are arranged in the waste gas treatment chamber. A first spray unit is disposed in the first longitudinal channel. A second spray unit is disposed in the second longitudinal channel. A third spray unit is disposed in the third longitudinal channel. Activated carbon filter cotton is disposed at the exhaust hole. three spray treatment procedures and one activated carbon filtering procedure are added to treat the paint production waste gas, so that paint mist and peculiar odors in the paint production waste gas are removed completely, no paint mist or peculiar odors are present in the exhausted gas and pollution of atmospheric environment and threat on human health are avoided.

The invention relates to pesticide stirring equipment and particularly relates to stirring equipment of a plant protecting unmanned aerial vehicle for spraying a pesticide, which has time- and labor-saving effects, stirs the pesticide sufficiently and thoroughly, and prevents people from inhaling toxic gas in the stirring process. In order to solve the technical problems, the stirring equipment comprises a bottom plate, a bracket, a connecting plate, a stirring box and the like; the left side of the top of the bottom plate is connected to the bracket by way of bolt connection, and the right side of the upper portion of the bracket is connected to the connecting plate by way of bolt connection. A first stirring device is driven by the driving device to stir the pesticide and clean water. The stirring equipment is also provided with an air stirring device, so that the pesticide and clean water stirring effect is further improved, and the effects that the stirring equipment has time- and labor-saving effects and stirs the pesticide sufficiently and thoroughly, and people are unlikely to inhale toxic gas in the stirring process are achieved.

The invention relates to a dust removal apparatus, in particular to a metal plate dust removal apparatus. The metal plate dust removal apparatus achieves the technical effects that the dust removal efficiency is high, dust removal is relatively complete, and dust is not prone to being inhaled by human bodies. For achieving the effects mentioned above, the metal plate dust removal apparatus comprises a base plate and the like. A left support is arranged on the left side of the top of the base plate. A vertical rod is arranged in the middle of the top of the base plate. A placement plate is arranged at the top end of the vertical rod. A top plate is arranged on the upper part of the right side of the left support. A dust removal mechanism is arranged below the top plate. A rotation mechanismis arranged on the right upper side of the base plate. According to the metal plate dust removal apparatus, dust on a plate is removed by the dust removal mechanism, the rotation mechanism is drivento work at the same time to drive the placement plate and the plate to rotate, the dust on the plate can be completely removed then, the dust can be treated by a dust suction mechanism, and the effects that the dust removal efficiency is high, dust removal is relatively complete, and dust is not prone to being inhaled by human bodies are achieved.

The invention belongs to the technical field of modification of natural high polymer compounds and discloses a polysiloxane-modified cationic polysaccharide compound as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out a cationic modification reaction between a polysaccharide compound and a cationization agent, performing polysiloxane modification with active polysiloxane, or simultaneously performing cationic modifier polysiloxane modification on the polysaccharide compound, neutralizing and drying, thereby obtaining the polysiloxane-modified cationic polysaccharide compound. The product has the advantages of high water dispersibility and drifting difficulty of powder. In addition, due to the introduced polysiloxane, the application performances, such as softness and smoothness, of the cationic polysaccharide compound can be improved to a certain degree, and the polysaccharide compound can be applied to daily care products.

The invention discloses a removing device for wood dust of the wood carving process, relates to the removing device for wood dust, and solves the problems that at present, multiple devices are utilized to remove dust together in a large area in a workshop, the efficiency is low, the local dust removal effect is not ideal, wood dust generated by a carving machine during the working process cannot be radically removed, and the potential safety hazard of wood dust explosion exists. The removing device is characterized in that a sliding block is mounted on a wood carving machine cutter bracket in a sliding manner; the sliding block can be fixed to the wood carving machine cutter bracket through a set screw; a connecting plate is horizontally arranged on the front surface of the sliding block; a connecting column is vertically arranged and is in threaded connection with the connecting plate; a dust collection hood is mounted at the lower end of the connecting column; the dust collection hood is connected with a dust removal fan through a dust removal air duct; and the dust removal fan is arranged inside a wood dust collection box. According to the removing device, the absorption efficiency for wood dust can be improved, the occurring rate of wood dust explosion is decreased efficiently, and unnecessary loss of personnel and property is greatly reduced.

The invention provides an electric distribution box for a 5G signal tower, belongs to the technical field of electric distribution boxes, and aims to solve problems that when the interior of an existing electric distribution box is cleaned, dust blown up from the interior of the electric distribution box is extremely easily inhaled into a body by a cleaner, the health of the cleaner is affected, and the dust in the cleaning process cannot be effectively collected. The electric distribution box comprises a box body. A rain shade is arranged at the top of the box body, and an air blowing mechanism is installed on the lower portion of the right end surface of the box body. Through cooperation of the air blowing mechanism and an air suction mechanism, air blowing operation is performed on theinterior of the electric distribution box through the air blowing mechanism, meanwhile, the dust blown by the air blowing mechanism is rapidly and effectively collected through the air suction mechanism, and therefore the dust blown by the interior of the electric distribution box is not prone to being inhaled into the body of the cleaner in the cleaning process; and furthermore, the health of thecleaner is not influenced, the dust in the cleaning process can be effectively collected so that the convenience of cleaning the interior of the electric distribution box is improved.

The invention discloses a one-piece flushing suction apparatus, comprising a hard flushing suction pipe, a soft flushing pipe and a soft suction pipe; the front section of the hard flushing suction pipe is a straight pipe while the back section thereof is a bent pipe; the pipe is internally divided into a flushing channel and a suction channel; the two pipes diverge at the back section to form a bent pipe respectively; the end parts of the bent pipes are provided with conical ports which are respectively connected with the soft flushing pipe and the soft suction pipe. The one-piece flushing suction apparatus can be operated by a single person, flushing and suction are both carried out in sealed systems, as a result, pollution is avoided. Water supply for flushing is in a continuous state and the flushing channels are provided with button switches, so that flushing can be carried out at the press of the switch, then water flows out as is expected, thereby not delaying time for operation but achieving the purpose of saving time and labor; the one-piece flushing suction apparatus of the invention features simple structure, convenient operation and adaptability to clinical use.

The invention relates to a blackboard erasing device, in particular to a blackboard erasing device for education and teaching. The technical problem, which the invention needs to solve, is to provide a blackboard erasing device for education and teaching, which is time-saving and labor-saving, prevents chalk dust from being inhaled and avoids damage to a human body. In order to solve the technical problem, the invention provides the blackboard erasing device for education and teaching, which comprises a lifting frame, a first sliding block, a first sliding rail, a first blackboard eraser, a rack, a disk, a first supporting rod, a first connecting rod, a second supporting rod, a second blackboard eraser, a first swinging base, a sector gear, a second connecting rod, an air cylinder, a second swinging base, an electric push rod, a second sliding block, a pull rope, an electric wheel, a second sliding rail, a third supporting rod and a third blackboard eraser, wherein the second sliding rail is arranged on the wall; and the second sliding block is arranged on the second sliding rail. The invention has the effects that the blackboard erasing device for education and teaching is time-saving and labor-saving, prevents chalk dust from being inhaled and avoids damage to the human body.

The invention discloses a coating machine for a plate group of a lead acid battery. The coating machine comprises a base plate as well as a membrane draft gear and a membrane guide device which are arranged on the base plate, wherein the membrane guide device is arranged below the membrane draft gear, a membrane cutting mechanism is arranged below the membrane guide device, a membrane pulling device is also arranged under the membrane guide device, a feed device and a boxing device are respectively arranged at two sides of the membrane pulling device, and the boxing device is installed on the base plate through a work platen and a platen support arranged below the boxing device. The coating machine can complete automatic coating of the plate group of the lead acid battery by integrating the membrane draft gear, the membrane guide device, the membrane cutting mechanism and the membrane pulling device and combining the feed device and the boxing device, thus having high degree of automation, low labor intensity, high production efficiency, and convenience in use, and operators do not inhale dust easily. The coating machine has low cost and simple structure, is easy to process, and can be widely popularized and applied in the technical field of storage battery production.

The invention relates to a perfuming tow rod added into a heated non-combustible tobacco filter rod. The method is characterized in that a tow rod is designed at the end close to tobacco; the tow rodis positioned between the tobacco section and the cooling section; the specific surface area of the pelelith is large; the porous adsorbability is good; adsorbing tobacco flavors and fragrances and loading the tobacco flavors and fragrances into the tow rod; according to the technical scheme, essence can be continuously released in the smoking process, the bad smoking smell of smoke is improved, essence and spice with the high boiling point can be added, the low-temperature tobacco smoke is more sweet and mellow in brewing, rich in saturation and durable in fragrance, and the perfumed tow rodis simple in preparation process, high in percent of pass, low in production cost and good in stability.

The invention discloses a cabinet-type self-cleaning draught fan comprising a cabinet body; an air inlet and an air outlet are formed in the cabinet body; a draught fan assembly comprising an impeller and a motor for driving the impeller to rotate is arranged in the cabinet body; the impeller comprises a wheel disc and blades; each of two ends of each blade is provided with an end ring; each blade is provided with a sliding sleeve for wiping the surface of the blade to be clean; the cabinet body is provided with a driving mechanism which is inserted to an inner ring of the end ring, is connected with each sliding sleeve and is used for driving the sliding sleeve to make reciprocating motion along the length direction of each blade; and a disconnecting part for disconnecting the driving mechanism and each sliding sleeve when the impeller rotates is arranged between the driving mechanism and the sliding sleeve. The technical scheme has the key points that due to the arrangement of the sliding sleeves, dust on the surfaces of the blades is cleaned because the driving mechanism drives the sliding sleeves to slide back and forth on the blades when the blades are required to be cleaned, and the condition that a great number of dust and bacteria on the blades are carried in the air passing through the blades because excessive dust exists on the blades is effectively avoided.

The invention provides an energy saving fan component. The energy saving fan component comprises a shell provided with a volute centrifugal fan inside, and further comprises a brushless direct-current motor, wherein cooling ribs are arranged on the shell of the motor; and when the brushless direct-current motor rotates, air exhausted by a multi-wing closed impeller penetrates through a filter component and flows through the cooling ribs of the brushless direct-current motor to enter a volute, and is blown out from air pipes. The energy saving fan component has the following beneficial effects: the motor in the fan component adopts the brushless direct-current motor specially matched with the volute impeller; the structure is simple; the rotating speed control precision is high; and the advantages of strong interference resistance and high reliability are achieved. The matched volute centrifugal fan impeller adopts the multi-wing closed impeller; blades of the impeller have special radians to reduce the air resistance and the airflow disturbance; the impeller fits a matched volute component; the whole efficiency of the fan is higher; and the energy is saved by more than 20%. Compared with a mode of serial connection of a cooling fan, the efficiency of the fan is higher by more than 50%, the service life of the fan is long, and the air pressure magnitude is adjustable.

The invention discloses a smoke discharge apparatus for fire engineering and an application method therefor, belonging to the technical field of fire fighting devices. The smoke discharge apparatus comprises a sprinkler pipe; the left and right side surfaces of the inner wall of the sprinkler pipe are fixedly connected to the left and right side surfaces of a support frame, respectively; a rotation mechanism is fixedly connected into the support frame; and the top end and bottom end of the rotation mechanism are fixedly connected to the lower surface of a transmission blade and the upper surface of a first gear, respectively. According to the smoke discharge apparatus for fire engineering and the application method therefor, by providing the transmission blade, a fourth gear and an exhaustblade, the smoke discharge apparatus has a smoke discharge function when fire occurs; and smoke can float upwards during combustion due to higher heat in condense smoke; and the smoke discharge apparatus can effectively discharge the condense smoke, so that people in the scene of fire is not easy to inhale more smoke inside, the possibility of harming a human body by introducing the smoke into arespiratory tract is lowered, and the safety of people is effectively guaranteed.

The invention discloses a bag molding method of a composite material component. A layer of temperature-resistant plastic fabric with good ductility, adhesive suction function, breathability and inadhesion to the surface of a composite material is paved on the surface of a composite material blank so as to replace release cloth, a porous isolating membrane, adhesive suction cloth and breathable cloth, so that the surface quality of the composite material component is ensured, and meanwhile, the simplicity in operation is realized. The temperature-resistant plastic fabric adopted by the invention has the characteristics of good deformability, good ductility, good conformability to a complex surface, difficulty in wrinkling, adhesive suction and breathability, and the method is simple to operate and can ensure that pressure is uniformly transmitted to the composite material blank during a curing process; and the surface quality of the composite material component is effectively ensured, the defects such as wrinkles, shortage of adhesives and excess in adhesives occurring on the cured surface are overcome, and the occurrence of the problem that large-area pores of the component are caused by vacuum bag breakage due to bridging of vacuum bag auxiliary materials can be prevented.

The invention discloses a heat-insulation and decoration integrated structure and a preparation technique thereof and belongs to the technical field of building materials. The heat-insulation and decoration integrated structure comprises a vacuum heat insulation plate, a bottom coating and an imitated stone facing layer which are composited in sequence, the vacuum heat insulation plate comprises acore material and a composite air resistant layer, and the outmost layer of the composite air resistant layer is a glass fiber cloth. The glass fiber cloth and the imitated stone facing layer are composited together through the bottom coating, the bottom coating is silicone acrylic emulsion, and colorful natural stone aggregate is contained in the imitated stone facing layer. Vacuum heat insulation plate and facing layer materials of specific structures are adopted, the vacuum heat insulation plate and the facing layer are organically combined and are of an integrated structure when preparedand conveyed out of a factory, thus the tedious mounting procedure is greatly simplified, and the environment-friendly problem and potential safety hazard caused by the problems such as the construction quality are avoided.

The invention discloses an efficient grinding method based on white carbon black production, and belongs to the field of white carbon black production.According to the efficient grinding method based on white carbon black production, during grinding work, an electric grinding block rotates to drive a sliding friction rod to generate sliding friction heat, so that the grinding efficiency is improved; meanwhile, an exhaust fan rotates to suck dust in the grinding groove into a communicating pipeline, the water solution makes contact with the dust floating in the communicating pipeline and is adsorbed, and therefore the dust floating in the air is gathered at the inner bottom end of the communicating pipeline along with falling of the water solution; according to the device, the number of suspended dust in air is reduced, white carbon black dust is not prone to being inhaled by workers, the safety of grinding work is improved, meanwhile, part of falling water solution drips on the surface of the sponge block, the sponge block has a certain filtering effect after absorbing water, and therefore the dust removal and filtering effect of the device is further improved.

The invention discloses a high-carrying-capacity flexible cable for a communication power supply. The high-carrying-capacity flexible cable comprises three conductive cores, a plurality of first circular aluminum conductors which form an inner conductive layer, a plurality of second circular aluminum alloy conductors which form an outer conductive layer, and a polyethylene insulating belt which wraps the outer surface of the outer conductive layer; a fireproof flame-retardant layer wraps the outer surface of the polyethylene insulating belt, comprising mica paper, a first glass fabric and a second glass fabric; the mica paper is adhered to the first glass fabric and the second glass fabric through adhesive layers; a glass tape wraps the outer surface of the fireproof flame-retardant layer; a polyolefin insulating protecting sleeve layer wraps the outer surface of the glass tape; a warping tape wraps the outer surfaces of the three conductive cores; an insulating protecting layer wraps the outer surface of the warping tape. According to the high-carrying-capacity flexible cable, the conductivity is improved, and the carrying capacity is increased by about 10%; the cable is non-combustible, high in heat resistance, tight and difficultly to breath, and therefore, the high temperature resistance of the cable is improved.

The invention discloses a production technology of strip bronze powder which has simple production technology, satisfies the requirements of environmental protection and is used in gravure. The concrete operation process of the production technology is that: 1. eligible concavity powder and gold oil are mixed together according to certain proportion, a blender is used for regulating the mixture for 5-10 minutes; 2. the mixture is immediately put into a gold bar press machine for pressing so as to take shape; 3. the molded mixture is put into an exhaust fan for drying quickly. The product produced by means of the production technology is strip solid and can not cause the operators to inbreathe harmful metal powder, thus obviously improving the production conditions in operation workshops; workers do not need to wear masks, and methanol and benzene are not contained; the requirement of environmental protection is improved, volume is small and transportation is convenient; the products produced by means of the production technology can be widely applied in the dope and printing industries such as vermeil, gold lacquer, coating of handicraft article, paper bronze printing, plastic bronze printing and flexographic bronze printing.

The invention relates to the technical field of highway construction, in particular to soft foundation reinforcing equipment for highway engineering construction. The soft foundation reinforcing equipment comprises a road rolling machine and a connecting body, the lower part of the road rolling machine is fixedly connected with the connecting body, a rapping mechanism is fixedly connected into theconnecting body, and a pushing frame is fixedly connected to the right end surface of the connecting body; and a road roller is rotatably connected into the pushing frame, connecting columns distributed in the front-back direction are fixedly connected to the upper end face of the pushing frame, scrapers are fixedly connected to the inner sides of the connecting columns, and fixing tables distributed in the front-back direction are fixedly connected to the upper end faces of the scrapers. According to the soft foundation reinforcing equipment, through arrangement of a containing plate water pump, a hollow pipe and an atomizing spray head, when the equipment is started, dust falling work can be conducted in advance through the atomizing spray head, it is guaranteed that no dust is raised when the equipment works, at the moment, workers are not prone to inhaling the dust, and the life safety of the workers is guaranteed.

The invention discloses a deep-well pump with a filtering device. The pump solves the problem of a poor protection effect on particles falling into water from the outside in the actual application process of an existing deep-well pump, according to the adopted technical scheme, the deep-well pump with the filtering device comprises a controller, a motor and a water lifting device, the motor is in transmission connection with the water lifting device, and the motor is arranged in a machine barrel; a supporting device for supporting a motor rotor is arranged on the lower end side of the machine barrel; and the water lifting device is arranged in an upper barrel, the upper barrel and the machine barrel are coaxially connected and fixed through a connecting frame, and a water inlet facing the connecting frame is formed in the upper barrel. The filtering device comprises an annular sand-proof barrel, the sand-proof barrel sleeves the periphery of the deep-well pump in a clearance manner, a sealing structure is arranged between the upper end of the sand-proof barrel and the upper barrel, the water inlet is located in the axial length range of the sand-proof barrel, the lower end of the sand-proof barrel at least extends downwards to the position of the machine barrel, and the inner diameter of the sand-proof barrel is larger than the outer diameter of the machine barrel. A gap between the sand-proof barrel and the machine barrel is communicated with the water inlet.

The invention provides a sealing double-layer heat reflection hollow glass. The sealing double-layer heat reflection hollow glass comprises an outer-layer glass body, a sealing adhesive piece, an inner-layer glass body, an aluminum strip and a hollow layer. The hollow layer formed through aluminum strip partition is arranged between the outer-layer glass body and the inner-layer glass body. The outer-layer glass body is mirror glass and stored outside the sealing double-layer heat reflection hollow glass. The sealing adhesive piece is stored outside the aluminum strip and seals the outer-layer glass body and the inner-layer glass body. The aluminum strip is stored between the outer-layer glass body and the inner-layer glass body and inside the sealing adhesive piece. The outer-layer glass body and the inner-layer glass body are connected through the adhesive piece in a sealed mode. According to the sealing double-layer heat reflection hollow glass, metal-plating oxide thin film mirror glass is adopted so that infrared rays can be better reflected; a drying agent is stored in the hollow aluminum strip, so that the large humidity caused due to the fact that the inner and outer temperatures of the double-layer glass are not even is prevented, and a better heat insulation effect is achieved; through the adhesive piece, uneven distribution of traditional glue is solved; and through an outermost sealing protecting bush, airtightness of the double-layer glass is further improved, and the most fragile corners of the double-layer glass are protected.

The invention relates to a medical irrigating tube, in particular to a self-control pulse irrigating tube, which comprises a drainage tube. A filling-end pluggable joint and a drainage-end pluggable joint are respectively mounted at two ends of the drainage tube through adjustable valves, side through holes spirally arranged on the wall of the drainage tube, an elastic balloon is connected to thefilling-end pluggable joint in series, and the diameters of the side through holes are reduced sequentially from the filling-end pluggable joint to the drainage-end pluggable joint. Compared with theprior art, the self-control pulse irrigating tube has the advantages that high negative pressure is formed in the irrigating tube by the elastic balloon within a short time and irrigates blood clots or fall-off tissues which are attached to block the side through holes of the drainage tube under the negative pressure action; since the diameters of the side through holes are reduced sequentially from the filling-end pluggable joint to the drainage-end pluggable joint, irrigation solution is easy to flow to a focus region due to the fact that the side through holes close to the filling end are larger, and larger blood clots and necrotic fall-off tissue are not easy to be sucked to cause blockage due to the fact that the side through holes close to the drainage end are smaller when the irrigating tube is used for irrigating under normal pressure.