40results about How to "Prevent sticking phenomenon" patented technology

The invention discloses an environment-friendly medical ink-jet printing film. The environment-friendly medical ink-jet printing film comprises a PET (Polyethylene Elycol Terephthalate) transparent sheet or semitransparent sheet, wherein a special ink-jet printing ink absorbing layer is arranged on one surface of the PET transparent sheet or semitransparent sheet, and an anti-static layer is arranged on the other surface of the PET transparent sheet or semitransparent sheet; and the special ink-jet printing ink absorbing layer comprises the following components according to mass percent: 10%-20% of polyvinyl alcohol, 5%-10% of a pigment, 0.1%-1.0% of a dispersing agent, 0.1%-0.5% of a non-ionic surface active agent, 1%-5% of a dye-fixing agent and the balance of water. The ink absorbing layer of the environment-friendly medical ink-jet printing film effectively increases the resolution ratio and color reducibility of ink-jet printing images. The anti-static layer is formed by directly coating a thiophene anti-static liquid and effectively prevents specimen page adhesion caused by static electricity in the using process of the ink-jet printing film.

The invention relates to a novel ultrasonic atomization sputum aspirator. The ultrasonic atomization sputum aspirator comprises a sputum aspiration pipe, a sputum liquid bottle, a negative pressure bottle, a negative pressure control device, an ultrasonic atomizer, a thermostat and a base; the far end of sputum aspiration pipe is of an arc structure, the sputum aspiration pipe comprises an inner pipe and an outer pipe, first side holes are formed in the inner pipe, second side holes are formed in the outer pipe, the first side holes and the second side holes are staggered at the axial position, and connecting lines formed by connecting the first side holes and the second side holes in a staggered mode are spirally distributed. The novel ultrasonic atomization sputum aspirator can reduce injury of tracheal mucosa, carry out shaping, aspirate sputum in different airflow directions, carry out atomization and humidifying treatment through ultrasound and completely solve complication problems of existing equipment such as tracheal mucosa injury, pulmonary atelectasis, bronchospasm, hyoxemia, infection, artificial airway blocking and sputum aspiration pipe blocking.

The invention discloses an electromagnetic direct-drive high-speed three-wire magnetic-field compound flux copper-gasket submerged arc welding device and a method thereof. The device comprises a wire feed system, a welding power source, a magnetic field power source, a copper gasket system, a torch system, an electromagnetic compound system and a numerical control system, wherein the wire feed system is formed by integrating the rotor of the electromagnetic direct-drive rotating servomotor and the main wire feed rolls into an integral body; the torch system comprises an eccentric current contact nozzle which is divided into an upper part and a lower part; the electromagnetic compound system is integrated with the nozzle of the torch system and a water cooling system into an integral body; and the copper gasket system is an air-pressure copper-gasket one-side-welding double-side one-step molding system, the back side of which uses flux. The invention can cancel the mechanical transmission link between the traditional motor and the wire feed rolls, greatly enhances the wire feed stability and the control response precision, and eliminates the noise, oil sludge and vibration, thereby realizing the three-wire high-speed electromagnetic compound submerged arc welding one-side-welding double-side molding high-efficiency welding method. The method has the advantages of simple structure, small size, high stability and reliability, and precise numerical control, and can be used for welding huge and thick plates.

The invention discloses a vacuum suction cup manipulator plate carrying device. The vacuum suction cup manipulator plate carrying device comprises a feeding platform, a mechanical carrying device, a working platform and a laser cutting machine. The mechanical carrying device comprises a mechanical frame body, vacuum suction cup manipulators, x-axis servo motors, x-axis speed reducers, z-axis servo motors, z-axis speed reducers, vacuum electromagnetic valves, a vacuum pump and vacuum pressure digital displays. One end of the mechanical frame body is located over the feeding platform, and the other end of the mechanical frame body is located over the working platform. The x-axis servo motors are connected with the x-axis speed reducers. The z-axis servo motors are connected with the z-axis speed reducers. A vacuum energy accumulator produces vacuum through the vacuum pump and stores vacuum energy. The vacuum electromagnetic valves are connected with the vacuum energy accumulator and control turn-on / off conducted by the vacuum energy accumulator over the vacuum suction cup manipulators. The vacuum pressure digital displays detect the vacuum degree of the surfaces of the vacuum suction cup manipulators. According to the vacuum suction cup manipulator plate carrying device, a plate is grabbed from the feeding platform onto the working platform through the manipulators, the labor cost is reduced, plate positioning is precise, and the working efficiency is improved.

A wheel with a suspension system being connectable to a vehicle, like a wheel chair, comprises a hub (38) and a rim (34) rotatable about the axle (42) of the hub (38). Between the hub (38) and the rim (34), a number of support members (40) is located. The support members (40) are adapted to retain the distance when stressed up to a threshold value and recoverly alter the distanced when stressed over this threshold value. According to the invention, the support members (40) comprise spring elements (50), damping strokes by compression if the support member (40) is compressed or elongated. The spring elements (50) are preferably preloaded.

The invention discloses an environment-friendly medical laser printing film which can effectively increase the color reducibility and weather resistance of laser printing images. A special laser printing ink absorbing layer is arranged on one surface of the PET (Polyethylene Elycol Terephthalate) transparent sheet or semitransparent sheet, and an anti-static layer is arranged on the other surface of the PET transparent sheet or semitransparent sheet; the special laser printing ink absorbing layer comprises the following components according to mass percent: 20%-30% of polyacrylic acid emulsion, 5%-10% of a pigment, 0.1-1.0% of a dispersing agent, 1%-5% of a dye-fixing agent and the balance of water. The environment-friendly medical laser printing film has good color reducibility and high saturation level and effectively increases output accuracy and efficiency and is suitable for various laser printers.

The invention discloses a petroleum pipeline with a stirring function. The petroleum pipeline with the stirring function comprises an outer pipeline body. An inner pipeline body is arranged in the outer pipeline body. A gap is reserved between the outer pipeline body and the inner pipeline body. A motor is arranged on the inner pipeline body. A swinging shaft is arranged on the motor. A stirring bar is fixedly connected to the swinging shaft. According to the structure, by arranging a stirring device, stirring can be conducted when petroleum is delivered in the pipeline, the phenomena of retention and adhesion of the petroleum can be effectively prevented, and thus a better petroleum delivery effect is achieved.

The embodiment of the invention provides a capsule, a transformer oil conservator and a gas leakage detection method and device. The capsule comprises an elastic capsule bag and a gas guide componentwhich are arranged in the transformer oil conservator; the inner cavity of the elastic capsule bag communicates with the outside of the transformer oil conservator through a through hole formed in thetop of the transformer oil conservator, and a sealed oil containing cavity is formed between the outer wall of the elastic capsule bag and the inner wall of the transformer oil conservator. The air guide component is fixedly arranged at the position, close to the through hole, of the outer wall of the elastic capsule bag and extends in the length direction of the elastic capsule bag so as to prevent the elastic capsule bag from being attached to the inner wall of the top of the transformer oil conservator. According to the transformer oil conservator, the phenomenon that the capsule is attached to the inner wall of the top of the transformer oil conservator can be effectively avoided, the situation can be known in time when gas leakage happens to the transformer oil conservator, and thenthe application reliability of the capsule can be effectively improved.

The invention discloses a spinneret plate for producing diacetate fiber tows. The spinneret plate comprises a spinneret plate body, a plurality of regular triangle spinneret holes with the same size are formed in the spinneret plate body, gravity centers of all the spinneret holes are positioned on the circumferences of a plurality of coplanar concentric circles, the distance between the gravity centers of every two adjacent spinneret holes on each circumference is marked as the circumferential distance of the spinneret holes, the circumferential distances of the spinneret holes on the same circumference are equal, and the distance between two adjacent circumferences is progressively increased from inside to outside. By the mode, the sizes and the distribution distances of the spinneret holes are determined according to the sizes of the diacetate fiber tows needing production, the spinneret plate is simple in structure and reasonable in layout, the extruded diacetate fiber tows are closer to 'Y' shapes, and flue gas filtering performance is improved.

The invention discloses a formula for a special protective film of a brushed aluminum plate. The formula comprises the following materials in parts by weight: 50-60 parts of low-density polyethylene, 20-30 parts of linear low-density polyethylene, 5-10 parts of SEBS, 0.1-0.3 part of an antioxidant, 0.2-0.3 part of polyethylene wax, and 0.1-0.2 part of oleamide. Through the adoption of the elasticity and self adhesive force of SEBS, the problem of glue residues on a glue coating film is effectively solved, and the problems of indentation, scratch, pollution and the like appearing in a stamping process of the brushed aluminum plate are solved; through the addition of the polyethylene wax, the protective film can be quicker and more convenient to form and easy to peel off, so that the sticky phenomenon after stamping of the brushed aluminum sheet is prevented, that is, not only can the stickiness be kept, but also the protective film can be conveniently tore down; through the introduction of a composite antioxidant in the formula, the ageing-resistant performance of the protective film is greatly improved, and the weathering-resistant performance of the brushed aluminum plate is improved. Therefore, the protective film is more durable.

The invention belongs to the technical field of traditional Chinese medicine decoction, and in particular to a traditional Chinese medicine decocting device with a temperature control function. The traditional Chinese medicine decocting device comprises a medicine decocting barrel, wherein a ceramic pot is inserted into the medicine decocting barrel; a fire spraying disc is arranged at the bottomend of the ceramic pot; a driving motor is arranged on a sealing cover; an electric telescopic rod is connected to the output end of the driving motor; a rotating toothed disc fixedly sleeves the outer wall of the upper end of an elastic filter screen barrel; the elastic filter screen barrel is inserted into the ceramic pot; an annular table is arranged on the inner wall of the upper end of the medicine decocting barrel; rotating columns are rotatably arranged on the annular table; each rotating column is sleeved with two driven gears; an outer circular boss fixedly sleeves the outer wall of the ceramic pot; the outer circular boss is rotationally arranged on the annular table; the outer wall of the electric telescopic rod is provided with a temperature sensor; and the bottom end of the fire spraying disc is connected with a fire spraying pipe. The phenomenon that traditional Chinese medicines in the ceramic pot is stuck to the bottom due to too high temperature of the bottom of the ceramic pot is effectively prevented, and then high-efficiency medicine boiling effect of the traditional Chinese medicines is not influenced.

The invention discloses an automatic tin cutting machine which mainly comprises a cutting gear blade, a guide wheel, a tin outlet nozzle pipe and a tin inlet head, wherein the cutting gear blade is arranged opposite to the guide wheel, a shallow groove surrounding the circumference is arranged on the circumference of the guide wheel, cutter teeth of the cutting gear blade are arranged opposite to the shallow groove arranged on the guide wheel, the tin outlet nozzle pipe is opposite to the tin inlet head, a half-edge groove is arranged on the mesopore wall of the tin outlet nozzle pipe along the longitudinal direction, and the cutter teeth of the cutting gear blade cuts over the half-edge groove so as to split a tin wire in the tin outlet nozzle pipe. Because the tin wire between the cutting gear blade and the guide wheel is cut through the cutting gear blade, and a cutter tooth angle of the cutting gear blade is reasonably designed, the automatic tin cutting machine can well drive the tin wire to move forwards and can also efficiently prevent the wire adhesion phenomenon caused by the cutter teeth of the cutting gear blade, which excessively cut over the tin wire, therefore, the invention has the advantages of high automation degree and good tin cutting effect.

The integrated algae cultivating device includes a rotatable cultivation tank; the cultivation tank is a cylindrical structure, and an installation through groove is arranged in the middle, and several grooves are uniformly arranged on the outer wall of the cultivation tank, each The bottoms of the grooves are provided with a set of flow holes; each of the grooves is provided with a culture tube, the culture tube is a hollow structure, and a set of flow channels are arranged at the bottom of the culture tubes. The flow pipes communicate with the flow holes respectively, so that the culture tubes can be arranged in the grooves. The beneficial effects created by the present invention are: the design of the rotatable cultivation device keeps the algae liquid in a state of motion all the time during the cultivation process, preventing the occurrence of dead algae; Integration of inflow and outflow.

The invention discloses a novel rubber plastic piece cutting device which structurally comprises a cutting device, operating buttons, a display screen, a display screen fixing frame, a handle, an upper cover, a falling curtain fixing rod, rivets, a falling curtain, a lock, a tank door, hinges, non-slip mats, an observation window and an observation window fixing frame. The rear ends of the operating buttons are movably connected with the front end of the cutting device; the inner parts of the operating buttons are electrically connected with the inner part of the display screen; an outer wallof the display screen is adhered to an inner wall of the display screen fixing frame; the top part of the upper cover is fixedly connected with the bottom part of the handle through screws; and the right end of the upper cover is connected with the top part of the cutting device through the hinges. According to the novel rubber plastic piece cutting device provided by the invention, the cutting device is structurally arranged, and a pressing device in the device is matched with the cutting device, so that a cutting surface is smooth without cutting inclined marks, meanwhile, chippings producedby cutting are easily collected so as to be prevented from accumulating and falling into gaps of parts, the protection on the parts is improved, and the service life is prolonged.

The invention discloses an expansion die and processing equipment. The expansion die comprises a die main body and an adjusting structure, wherein the die main body is provided with an expansion cavity, and an air leakage channel and an inlet which are communicated with the expansion cavity. The adjusting structure comprises a die nozzle assembly and an adjusting cap which are arranged at the inlet, wherein the die nozzle assembly is provided with a passage communicated with the inlet and a ventilation channel communicated with the air leakage channel, the ventilation channel is communicated with the passage, the adjusting cap movably sleeves one end, away from the inlet, of the die nozzle assembly to seal or open the ventilation channel, and the adjusting cap is provided with an inlet corresponding to the passage. The adjusting cap can move relative to the die nozzle assembly, so that a gap communicating the inlet and the ventilation channel is formed between the adjusting cap and the die nozzle assembly. The expansion die provided by the invention not only effectively avoids the wall sticking phenomenon when a heat shrink tube enters the expansion die, but also can avoid axial tension fluctuation caused by wall sticking of the heat shrink tube, so that the production stability and the finished product quality of the heat shrink tube are improved.

The invention provides a culture pond for culturing micro-algae. The culture pond comprises a pond bottom (1), a side wall (2) fixed on the pond bottom (1), a clapboard (6) which extends along the side wall (2) in a spacing mode, and a stirring paddle (7) which is positioned between the side wall (2) and the clapboard (6), wherein the outer end (3) of the side wall (2) is connected to the outer surface of the side wall (2) adjacent to the outer end (3), and the side wall (2) extends by helically coiling along the longitudinal length direction thereof. The invention aims to provide the culture pond which is used for culturing the micro-algae and has less flow dead zones during culture.

The invention discloses a novel rubber plastic piece cutting device which structurally comprises a cutting device, operating buttons, a display screen, a display screen fixing frame, a handle, an upper cover, a falling curtain fixing rod, rivets, a falling curtain, a lock, a tank door, hinges, non-slip mats, an observation window and an observation window fixing frame. The rear ends of the operating buttons are movably connected with the front end of the cutting device; the inner parts of the operating buttons are electrically connected with the inner part of the display screen; an outer wallof the display screen is adhered to an inner wall of the display screen fixing frame; the top part of the upper cover is fixedly connected with the bottom part of the handle through screws; and the right end of the upper cover is connected with the top part of the cutting device through the hinges. According to the novel rubber plastic piece cutting device provided by the invention, the cutting device is structurally arranged, and a pressing device in the device is matched with the cutting device, so that a cutting surface is smooth without cutting inclined marks, meanwhile, chippings producedby cutting are easily collected so as to be prevented from accumulating and falling into gaps of parts, the protection on the parts is improved, and the service life is prolonged.

The invention discloses a vacuum suction cup manipulator plate carrying device. The vacuum suction cup manipulator plate carrying device comprises a feeding platform, a mechanical carrying device, a working platform and a laser cutting machine. The mechanical carrying device comprises a mechanical frame body, vacuum suction cup manipulators, x-axis servo motors, x-axis speed reducers, z-axis servo motors, z-axis speed reducers, vacuum electromagnetic valves, a vacuum pump and vacuum pressure digital displays. One end of the mechanical frame body is located over the feeding platform, and the other end of the mechanical frame body is located over the working platform. The x-axis servo motors are connected with the x-axis speed reducers. The z-axis servo motors are connected with the z-axis speed reducers. A vacuum energy accumulator produces vacuum through the vacuum pump and stores vacuum energy. The vacuum electromagnetic valves are connected with the vacuum energy accumulator and control turn-on / off conducted by the vacuum energy accumulator over the vacuum suction cup manipulators. The vacuum pressure digital displays detect the vacuum degree of the surfaces of the vacuum suction cup manipulators. According to the vacuum suction cup manipulator plate carrying device, a plate is grabbed from the feeding platform onto the working platform through the manipulators, the labor cost is reduced, plate positioning is precise, and the working efficiency is improved.

The invention discloses an intelligent efficient space-saving and environment-friendly dry production line for synthetic leather. The production line comprises a first equipment platform and a secondequipment platform; the first equipment platform is located below the second equipment platform; and the production line further comprises a release paper unreeling machine, a paper receiving table, apaper storing machine, a tensioner, a first coating machine, an upper layer drying chamber of a first double-layer drying oven, a lower layer drying chamber of the first double-layer drying oven, a five-wheel cooling roller, a second coating machine, a first single-layer drying oven, a three-wheel cooling roller, a third coating machine, a second single-layer drying oven, an attaching roller, a third single-layer drying oven, a lower layer drying chamber of the second double-layer drying oven, a five-wheel heating roller, an upper layer drying chamber of the second double-layer drying oven, atwo-wheel heating roller, a six-wheel cooling roller and a separator which are sequentially arranged according to the processing step of the synthetic leather. The production line greatly saves the space, and remarkably improves the drying and curing efficiency.

The invention relates to a grinding machine capable of achieving automatic discharge, in particular to a rare earth oxide grinding machine capable of achieving automatic discharge. The rare earth oxide grinding machine capable of achieving automatic discharge aims at achieving the technical effects that automatic discharge and collection of crushed rare earth oxide can be achieved, crushing can becompleted on airtight conditions, and follow-up grinding treatment can be completed in a labor-saving mode. In order to achieve the technical effects, the rare earth oxide grinding machine capable ofachieving automatic discharge comprises a treating frame, a collection frame, supporting bases, a filter net, a crushing mechanism and the like, the supporting bases are connected to the front side,rear side, left side and right side of the bottom of the collection frame, the bottom wall of the collection frame is connected with the filter net, a fixing rod is connected to the upper portion of the left side of the collection frame, and the treating frame is connected to the fixing rod. The effects that automatic discharge and collection of crushed rare earth oxide can be achieved, crushing can be completed on airtight conditions, and follow-up grinding treatment can be completed in a labor-saving mode are achieved.

The invention discloses a preparation method of glycyrrhizin liposome. A reverse evaporation method is adopted. The established process conditions are as follows: the mass ratio of soybean phospholipid and cholesterol is 2:1-10:1, and the mass ratio of soybean phospholipid and glycyrrhizin is 2:1-10:1. It is 5:1-25:1, the mass of Tween 80 and soybean lecithin is 1:1-1:20, the water bath temperature is 25℃-65℃, and the ultrasonic time is 5min-25min. The present invention prepares Glycyrrhiza polysaccharide into liposomes for the first time. Through response surface optimization, raw materials can be saved to the greatest extent possible, and a higher drug encapsulation rate (up to 79.12%) can be obtained at the same time. Combined with the action of ultrasound, the prepared liposomes can be More uniform and more stable, its average particle size is 136.4±0.151nm.

The invention provides a kind of equipment for making plates by using waste fibers such as waste filter bags and waste textiles. Edge and packing device, the outlet of the air-laid device is provided with a gluing mechanism. The fiber is air-laid by air-laying device, so that the fiber arrangement in the fiber web is non-directional, and the product's horizontal-to-longitudinal ratio is close to 1:1; it is suitable for fibers of various lengths and varieties, and requires little raw material , It can be applied to a wide range of fibers; compared with the traditional carded web to achieve the required product thickness through multi-layer laying, air-laid web can directly obtain the required product thickness by controlling the output speed.

The invention provides an anti-blocking soot-blowing device for a waste incinerating boiler cyclone separator. The anti-blocking soot-blowing device for the waste incinerating boiler cyclone separatorcomprises soot blowers. One or more sets of soot blowers are arranged and connected to the waste incinerating boiler cyclone separator. Each soot blower comprises a gas source portion, a flow regulation cabinet, a gas guide ignition cabinet, a control cabinet, a pulse tank and a soot blowing pipe. One end of the soot-blowing pipe is connected with the pulse tank, and the other end of the soot blowing pipe penetrates through the outer wall of the separator and enters the inner cavity. The output end of the gas guide ignition cabinet communicates with the pulse tank. The gas input end of the gas guide ignition cabinet communicates with the flow regulation cabinet. The signal end of the control cabinet is connected with the flow regulation cabinet and the signal end of the gas guide ignitioncabinet. The soot blowers are divided into high position soot blowers and low position soot blowers. The cone horn mouth of the separator is covered by the working area of the low position sot blowers, injection orifices of the low position soot blowers is covered by the working area of the high position soot blowers, and opposite-direction staggered arrangement is formed. Through the impact force generated by the soot blowers, the boiler separator cone and wall surface are swept through blowing, and the phenomena that a large amount of soot is accumulated on the separator, soot transportation of a return feeder vertical pipe is not smooth and tar sticks are prevented from occurring.

The invention discloses an oil well singlepoint inclinometer based on precession protection and anti-sticking.Theoil well singlepoint inclinometer based on precession protection and anti-sticking structurally comprises a straightening sleeve, a fisher, a protective device, a connector, a buoyancy tank, a probe tube, a lower floating tank, and an indication lamp; the straightening sleeve is fixedly mounted directly above the lower floating tank and is an integrated structure;the left side of the fisher is connected with the outer surface of the lower floating tank, and the protective device is located and movably connected directly below the connector. Theoil well singlepoint inclinometer based on precession protection and anti-stickinghas the beneficial effectsthatthe structure is provided with blades, under the power of water, the blades cooperate with a rotating shaft, the rotating shaft rotates around a flat shaft, so that an instrument is subjected to gravity but does not fall, the phenomenon of falling under the impact force of the water is prevented, a water storage bin is arranged, the water storage bin is isolated from the instrument and is a sealed space, the phenomenon of water soaking in the instrument can be prevented, sticking at the bottom of the instrument can also be prevented under the action of a protective plate, a fixatoris arranged, and the fixture fixes the instrument under the actions ofa floating plate and a drawstring.

The invention discloses a chlorinated polyethylene drying production line which comprises a hot air circulating oven, a hot air supply box and a vacuum transfer box, and the hot air supply box is connected with the hot air circulating oven through a fan; a material containing box is arranged at the upper end of the hot air circulation oven, a first electronic pneumatic valve is arranged at the bottom of the material containing box, the vacuum transfer box is located at the bottom of the hot air circulation oven, and a soft metal barrel is arranged in the hot air circulation oven and rotationally connected into the hot air circulation oven through a rotating mechanism. A plurality of independent cavities are formed in the soft metal barrel, and a valve device is arranged between every two independent cavities; according to the drying production line, the rotating mechanism and the structure that the multiple independent cavities are formed in the soft metal barrel are adopted, the problems that in the drying process of chlorinated polyethylene, wall sticking is likely to happen, and dry and wet materials are likely to be mixed are solved, and the drying production line is simple in structure, low in equipment cost and suitable for industrial production. The maintenance is simple.

The invention discloses a formula for a special protective film of a brushed aluminum plate. The formula comprises the following materials in parts by weight: 50-60 parts of low-density polyethylene, 20-30 parts of linear low-density polyethylene, 5-10 parts of SEBS, 0.1-0.3 part of an antioxidant, 0.2-0.3 part of polyethylene wax, and 0.1-0.2 part of oleamide. Through the adoption of the elasticity and self adhesive force of SEBS, the problem of glue residues on a glue coating film is effectively solved, and the problems of indentation, scratch, pollution and the like appearing in a stamping process of the brushed aluminum plate are solved; through the addition of the polyethylene wax, the protective film can be quicker and more convenient to form and easy to peel off, so that the sticky phenomenon after stamping of the brushed aluminum sheet is prevented, that is, not only can the stickiness be kept, but also the protective film can be conveniently tore down; through the introduction of a composite antioxidant in the formula, the ageing-resistant performance of the protective film is greatly improved, and the weathering-resistant performance of the brushed aluminum plate is improved. Therefore, the protective film is more durable.

The invention discloses a plate-adhesion-free hot compression roll for laser packaging. The plate-adhesion-free hot compression roll for laser packaging comprises a hot compression roll body. A rotating shaft is inserted in the center of an inner cavity of the hot compression roll body. A heating device is arranged on the outer wall of the rotating shaft. A heat conducting cavity is uniformly formed in the outer wall of the heating device. Heat conducting corrugations are arranged on the outer wall of the heat conducting cavity. Heat conducting protrusions are further formed on the outer walls of the heat conducting corrugations uniformly and integrally. A heat conducting aluminum substrate is wrapped on the outer walls of the heat conducting protrusions. An oxide film is further uniformly wrapped on the outer wall of the heat conducting aluminum substrate. Temperature sensors are uniformly inlaid between the heat conducting aluminum substrate and the oxide film and electrically connected with the heating device. The plate-adhesion-free hot compression roll for laser packaging is simple in structure, the anti-adhesion performance of the hot compression roll can be improved effectively, the plate-adhesion phenomenon of laser packaging paper in the laser packaging paper hot compression process is prevented, the quality of the laser packaging paper is guaranteed effectively, and the rate of finished products is increased.

The embodiment of the present application provides a capsule, a transformer oil conservator, and a gas leakage detection method and device. The capsule includes: an elastic capsule bag and an air guiding component for being arranged in the transformer oil conservator; the inner cavity of the elastic capsule bag The through hole provided on the top of the transformer oil conservator communicates with the outside of the transformer oil conservator, and a sealed oil chamber is formed between the outer wall of the elastic capsule bag and the inner wall of the transformer oil conservator; The air guide assembly is fixedly arranged on the outer wall of the elastic capsule bag at a position close to the through hole, and is extended along the length direction of the elastic capsule bag, so as to prevent the elastic capsule bag from contacting with the transformer reservoir. The top inner wall of the oil tank is fitted. The application can effectively prevent the bonding phenomenon between the capsule and the top inner wall of the transformer oil conservator, and can know this situation in time when gas leakage occurs in the transformer oil conservator, thereby effectively improving the application reliability of the capsule.

The invention discloses a petroleum pipeline stirring rod which comprises a rod body; a helical fin is arranged at the peripheral side of the rod body; one side of the rod body is fixedly connected with a swing shaft; and a brush body is assembled at the opposite side of the swing shaft. According to the petroleum pipeline stirring rod disclosed by the invention, the stirring rod with the helical fin and the brush body are arranged, so that the brush body can brush the pipe wall to effectively prevent occurrence of a pipeline retention and adhesion phenomenon while the helical fin achieves the dredge effect on petroleum, and therefore, the better petroleum conveying effect is achieved.

The invention relates to the field of emulsion polymerization, in particular to a styrene-acrylic emulsion which is prepared from the following raw materials in parts by weight: 45 to 85 parts of styrene monomer; 5 to 15 parts of acrylonitrile; 10 to 25 parts of butyl acrylate; 2 to 10 parts of polyethylene glycol diacrylate; 0.5 to 6 parts of a functional monomer; 0.5 to 6 parts of a molecular chain regulator; 1 to 6 parts of a reactive emulsifier; 0.3 to 2 parts of an initiator; 0.5 to 5 parts of ammonia water; and 100 to 250 parts of water. The invention also provides styrene-acrylic resin with high softening point, high melt strength, high curing speed and excellent thermal stability. The invention also provides a preparation method and application of the styrene-acrylic emulsion, which are low in cost, environment-friendly and simple in process.