19results about How to "Reduce corrosion damage" patented technology

The utility model discloses a printing nozzle cleaning device, and belongs to the technical field of printing equipment. Comprising a liquid supply container for storing cleaning liquid and a cleaning tank; the liquid supply container is communicated with a liquid inlet and a liquid outlet of the printing nozzle through a liquid supply pipeline; a valve, a circulating pump and a buffer bottle are mounted on the liquid supply pipeline; a sealing plate is arranged at an opening of the cleaning tank, and the sealing plate, the printing nozzle and the cleaning tank define a sealing bin for preventing cleaning liquid from volatilizing; a liquid level control opening is formed in the side wall of the sealing bin, and the distance between the liquid level control opening and the bottom of the cleaning tank is larger than the distance between the liquid spraying face of the printing spray head and the bottom of the cleaning tank. And a waste liquid outlet is formed in the bottom of the sealing bin. The automatic cleaning device has the advantages that the automatic cleaning process of the whole spray head can be achieved, the blocked spray holes are cleaned, the cleaning efficiency is improved, and the purpose of saving cleaning liquid is achieved.

The utility model provides an automobile water spraying motor sealing element, which relates to the technical field of motor sealing and comprises a sealing assembly, the sealing assembly comprises a connecting cylinder, a sealing ring and a flow guide sealing piece which are integrally formed, and a plurality of flow guide grooves which are circumferentially distributed are formed in the lower side of the flow guide sealing piece. A ring shaft lip is arranged on the side, facing the motor rotating shaft, of the flow guide groove, the ring shaft lip is made of an elastic rubber material, the rear end of the ring shaft lip and the flow guide sealing piece are integrally formed, the extending direction of the ring shaft lip is opposite to the rotating direction of the motor rotating shaft, and the front end of the ring shaft lip is arranged to be a triangle with the thickness gradually increased. The outer side of the annular shaft lip abuts against and is attached to the outer wall of the motor rotating shaft, and the inner wall of the annular shaft lip is arranged to be in a flow guide arc shape. A water film on the surface of the motor rotating shaft is stripped through the annular shaft lip, and water is prevented from entering the motor from a gap between the motor rotating shaft and the connecting cylinder as much as possible.

The invention belongs to the technical field of medical experimental instruments, and provides an electrode device for subcutaneous implantation, comprising: an electrode comprising a cylinder structure and a barb structure arranged at one end of the cylinder structure; one end of the wire is connected with the cylinder structure; and the interface is connected to the other end of the wire. The section width of the electrode can be increased through the cylinder structure, the electrode can be stably implanted subcutaneously, and electrode displacement or damage caused by animal activity or tissue growth can be reduced. The barb structure enables the electrode to be better fixed subcutaneously, so that the electrode can be accurately positioned, the accuracy of an experimental result and the repeatability of an experiment are improved, and the complexity of surgical operation is also reduced.

The utility model provides a graphene eye protection instrument, relates to the eye protection instrument field, including graphene eye protection instrument, the top of graphene eye protection instrument is equipped with the disinfectant box, the top of disinfectant box is equipped with the pump, the top of the pump is connected with the connecting pipe, one end of the connecting pipe is equipped with the disinfection frame, and the other end of the connecting pipe is equipped with the disinfection frame. Rotating seats are symmetrically mounted at the bottom of the disinfection frame, and a plurality of atomizing nozzles are distributed on the side surface of the disinfection frame. According to the graphene eye protection instrument disinfection device, disinfection in the disinfection liquid box is pumped by the pump machine, disinfection liquid reaches the disinfection frame through the connecting pipe and is finally sprayed out through the atomization spray head, effective disinfection and sterilization on a bandage of the graphene eye protection instrument are facilitated, and meanwhile the rotating motor is matched to electrically drive the rotating shaft to rotate; according to the graphene eye protection instrument disinfection device, the rotating seat is driven to drive the disinfection frame to rotate, effective disinfection and sterilization on a bandage of a graphene eye protection instrument are facilitated, pathogens such as bacteria and viruses are effectively killed, bacterial propagation is reduced, and the health of a user is guaranteed.

The utility model relates to the technical field of thermal insulation pipes, and discloses a high pressure resistant structure of a thermal insulation pipe, which comprises a pipe outer wall, two ends of the pipe outer wall are respectively and fixedly connected with a flange plate, a plurality of groups of bolts are arranged in the flange plate, and two ends of the plurality of groups of bolts are respectively provided with a gasket. The two ends of the bolts are in threaded connection with hexagon nuts correspondingly. According to the heat preservation pipe, the heat preservation pipe is resistant to compression and collision, the rigidity of the outer layer is improved through the first compression-resistant layer, damage caused by external mechanical collision is reduced, the compression-resistant supporting structures in the second compression-resistant layer are evenly distributed in a triangular shape, when pressure is applied to the outside, external force can be resisted and supported through the triangular structures, and internal stress of the heat preservation pipe is reduced; when the outside is subjected to large impact force, the external force is buffered through the buffer layer, most of the force is removed, then secondary pressure-resistant buffer is conducted through the pressure-resistant buffer structure arranged in a rhombus shape in the third pressure-resistant layer, and the stress of the lining pipe is reduced to the minimum.

The invention relates to the technical field of resin molds, in particular to a toughened epoxy resin plastic mold and a preparation method thereof. In order to improve the toughness of the epoxy resin mold, a modified nano carbon fiber component is added into an epoxy resin matrix, stress dispersion can be effectively realized by adding the modified nano carbon fiber component into the epoxy resin matrix, so that the toughness of the material is improved, and on the basis, a nano carbon fiber material is modified, so that the toughness of the material is improved. A borane structure and a fluorine element are introduced to the surface of the nano carbon fiber, and the surface of the nano carbon fiber is subjected to epoxidation treatment, so that the nano carbon fiber can participate in curing of epoxy resin, and the bonding strength with an epoxy resin matrix is improved; and the stability and friction resistance of the epoxy resin can be further improved, and damage to the mold in the using process is reduced.

The utility model provides an ultrasonic cleaning instrument for a medicine clinical test, and relates to the technical field of ultrasonic cleaning instruments, the ultrasonic cleaning instrument comprises an ultrasonic cleaning instrument, a cleaning device is arranged on the inner wall of the ultrasonic cleaning instrument, and the cleaning device comprises a second transmission roller, a belt, a bolt and a screw hole brush. A motor can be started to drive a circular shaft and a first transmission roller to rotate, and a second transmission roller can be driven to rotate on one side of the ultrasonic cleaning instrument under the driving of a belt, so that the second transmission roller drives a fixed screw hole brush to perform circular motion in the inner wall of the ultrasonic cleaning instrument to clean the inner wall of the ultrasonic cleaning instrument; dirt, residues or impurities of cleaning liquid accumulated on the inner wall of the ultrasonic cleaning instrument are brushed away, the next cleaning effect is prevented from being affected, the possibility that the inner wall of the ultrasonic cleaning instrument is corroded and damaged is reduced, the service life of the ultrasonic cleaning instrument is prolonged, and the using effect of the ultrasonic cleaning instrument is improved.

The present invention discloses a floating breakwater with coupled wave-breaking and power-generating functions, including a plurality of floating breakwater units, each of which is moored separately by a corresponding mooring system, and two adjacent floating breakwater units are connected by a connection system. The random deformation of the two airbags in the floating breakwater unit under the waves will drive the mover three to perform telescopic movement in the stator three, thereby cutting the magnetic lines of force to generate electricity; it will also drive the mover three and the stator three and the connected mover one and mover two to reciprocate together, and the mover one and mover two will cut the magnetic lines of force to generate electricity; it will cause the air enclosed between the partition one and the two airbags to flow and transfer in the ventilation duct, thereby causing the one-way fan to rotate and drive the wind turbine to generate electricity. The floating breakwater with coupled wave-breaking and power-generating functions provided by the present invention effectively combines the wave-breaking and power-generating functions, and not only has a high overall integration and a small motion response, but is also safe, durable and low in cost.

The invention belongs to the technical field of plug busbars, particularly relates to a plug busbar, and aims to solve the problems that when a plug busbar in the prior art is externally connected with a wire, various fastening bolts need to be screwed, so that time and labor are wasted, and poor contact is easily caused by pulling, and the plug busbar comprises a busbar core plate sleeved with an insulating outer layer, a section of each wiring end of the busbar core plate is exposed, and the wiring ends of the busbar core plate are arranged to be step-shaped; wiring ends of the busbar core plate are all arranged to be zigzag-shaped warped heads, transition inclined planes are arranged between the zigzag-shaped warped heads and the busbar core plate, and U-shaped notches used for wiring are formed in the end portions of the zigzag-shaped warped heads. After an external electric wire is connected, if the external electric wire is accidentally pulled, the C-shaped clamping groove in the hinged brake bar is of a bent structure, most of pulling force can be counteracted, so that the influence on a bare wire part of a pressing part in the strip-shaped through hole is very small, and a good pulling or vibration anti-falling effect is achieved.

The utility model relates to a dry absorption concentrated acid pump filter. The dry absorption concentrated acid pump filter comprises a first connecting plate detachably connected with an inlet of a dry absorption concentrated acid pump, a first through hole is formed in the middle of the first connecting plate, a plurality of division bars are arrayed on the hole wall of the first through hole, and a bottom plate is arranged at the bottoms of the division bars; and the plurality of division bars, the first connecting plate and the bottom plate jointly form a filter screen cover. Compared with traditional round filter holes and square filter holes, the square filter holes formed between the adjacent division bars occupy larger space under the condition of meeting the filtering requirement, so that the contact area between the filter screen cover formed by the division bars and concentrated sulfuric acid is effectively reduced, the corrosion damage to the screen cover is reduced, and the service life of the screen cover is effectively prolonged.

The invention discloses a low-backpressure vacuumizing optimization structure and method for a high-countercurrent-ratio NDACC system, and relates to the energy-saving technology of air cooling systems, and the low-backpressure vacuumizing optimization structure and method for the high-countercurrent-ratio NDACC system are characterized in that the low-backpressure vacuumizing optimization structure comprises a cooling unit, a vacuumizing pipeline system and a vacuum pump set; each cooling unit comprises a plurality of cooling triangles, at least one cooling triangle in each cooling unit is set as a countercurrent area, the other cooling triangles are set as downstream areas, the number ratio of the cooling triangles in the downstream areas to the cooling triangles in the countercurrent areas is not smaller than 2: 1 and not larger than 4: 1, and the downstream areas and the countercurrent areas are provided with electric shutters respectively; the tops of the cooling triangles of the downstream area are communicated with one another through a first pipeline, the bottoms of the cooling triangles of the downstream area are communicated with the bottoms of the cooling triangles of the countercurrent area through a second pipeline, the countercurrent area of each cooling unit is provided with a vacuumizing connector, and the vacuumizing connectors are connected to a vacuum pump set through a vacuumizing pipeline system. The exhaust efficiency of non-condensable steam under the low-back-pressure working condition is effectively improved, and the operation back pressure and freezing risk are reduced.

The invention provides an array substrate. The array substrate comprises a substrate, a transistor and an insulating layer. The transistor comprises a grid electrode, an active layer, a source electrode, a drain electrode and a protection body, the insulating layer covers the grid electrode to one surface of the substrate, and the active layer is arranged on the surface, back to the substrate, of the insulating layer. The source electrode and the drain electrode are arranged on the surface, back to the substrate, of the insulating layer, the source electrode and the drain electrode are oppositely arranged in a spaced mode in the first direction, the source electrode and the drain electrode are connected with the active layer, the protection body is arranged on the surface, back to the insulating layer, of the active layer, and the protection body is spaced from the source electrode and the drain electrode. The protection body is used for slowing down flowing of liquid medicine needed by patterning of the source electrode and the drain electrode, the phenomenon that the active layer is corroded and damaged by the liquid medicine is reduced under the condition that sufficient etching of the source electrode and the drain electrode is guaranteed, and therefore vertical display Mura of the display panel caused by negative deviation of DR characteristics of the transistor is prevented. The invention further provides a manufacturing method of the array substrate, a display panel and a display device.

The invention relates to a cross-linked sulfonated lignin / gelatin composite hydrogel electrolyte, a preparation method and an aqueous zinc ion battery. The cross-linked sulfonated lignin / gelatin composite hydrogel electrolyte is composed of a cross-linked sulfonated lignin composite gelatin hydrogel and a water-phase electrolyte, and the cross-linked sulfonated lignin composite gelatin hydrogel is prepared by uniformly mixing gelatin, water, cross-linked sulfonated lignin and a zinc-manganese salt solution. The cross-linked sulfonated lignin / gelatin composite hydrogel electrolyte is applied to the aqueous zinc ion battery, more electrolyte can be stored in the gel electrolyte, meanwhile, formation and growth of zinc dendrites can be effectively inhibited, corrosion of the gel electrolyte to a zinc negative electrode is slowed down, and the service life of the zinc negative electrode is prolonged. Therefore, the rate capability and the cycle life of the water-based zinc ion battery are remarkably improved.

The application discloses a monolithic structure ceramic filter plate for low-grade iron concentrate dewatering and a preparation method thereof, and belongs to the technical field of ceramic filter plates.The application is characterized in that: a ceramic 3D printing material is prepared, and a double-head double-precision 3D printer is used to layer-by-layer print a monolithic structure ceramic filter plate base body; the base body mud blank is dried and fired, coated and fired again, and then a water outlet nozzle and a positioning hole are installed to obtain the monolithic structure ceramic filter plate for low-grade iron concentrate dewatering.The application reduces the surface roughness of the monolithic structure ceramic filter plate, improves the corrosion resistance and service life; the 3D printing technology is used to make the inner cavity of the monolithic structure ceramic filter plate have better symmetry, reduce the corrosion and damage caused by the too thin side of the filter plate, and the unique inner cavity column design has higher water flux under the premise of ensuring the strength of the base body, and the resistance caused by the reduction of the micro-pore diameter is compensated.

The utility model relates to the technical field of environment monitoring, and discloses an environment detection corrosion-resistant storage box, which comprises a storage box main body, a handle and a temperature controller main body, a classification mechanism is arranged in the storage box main body, an auxiliary mechanism is arranged on the classification mechanism, the classification mechanism comprises a drawing plate, and the drawing plate is arranged on the handle. The drawing plate is slidably connected to the inner wall of the right side of the storage box body, a clamping opening is formed in the outer wall of the top of the drawing plate, a classification sample tube is clamped to the inner wall of the top of the clamping opening, rotating rods are rotatably connected to the inner walls of the front side and the rear side of the clamping opening through bearings, and torsional springs are fixedly connected to the outer walls of the side faces of the rotating rods; the outer wall of the side face of the rotating rod is fixedly connected with a cover plate. According to the storage box, by arranging the structures such as the drawing plate, the cover plate and the sample classifying pipes, corrosive chemical samples are classified and distinguished, openings of the sample pipes are sealed and isolated, and corrosion damage to components in the storage box due to mutual fusion of corrosive gas is reduced.

The invention relates to a discharging device for an aviation magneto transformer acceleration equivalent test. The discharging device comprises three electrodes, adjusting screws, fixing screws, three supports and an insulation base. The three electrodes are plate-shaped electrodes; the electrode corrosion condition is slow, and the problem that a spark plug test piece is frequently replaced in the test process is solved. Through the method of connecting the plate-shaped discharger with the spark plug test piece in series, the assessment standard of the service life test of the magnetor transformer is enhanced, the accelerated equivalent test is realized, the period of the service life test of the aviation magnetor transformer is shortened, and the reliability of the service life test of the aviation magnetor transformer is improved. And the fault probability of the aviation magneto transformer is reduced.

The invention relates to the field of waste gas treatment, and discloses automatic cleaning granulation waste gas treatment equipment which comprises a cyclone cylinder, an air outlet box, a spraying assembly, a water circulation assembly, a movable cyclone assembly, a locking component and a cleaning structure, and an air inlet is formed in the side edge of the cyclone cylinder; the top of the air outlet box is provided with an air outlet, the movable cyclone assembly is provided with a center ring base and a plurality of rotating fan blades, the ends of the rotating fan blades are connected with rotating shafts, the locking parts clamp the rotating shafts to limit the moving state of the rotating shafts relative to the center ring base, and the cleaning structure can move upwards and push the locking parts to be separated from the rotating shafts. And meanwhile, the rotating fan blades are inserted between the adjacent rotating fan blades, and the rotating fan blades are pushed to rotate to a vertical state, so that solid pollutant particles on the surfaces of the rotating fan blades are removed. Periodic full-automatic cleaning of the rotating fan blades is achieved through the cleaning structure, impurities attached to the surfaces of the fan blades can be swept away in time, and the stability and high efficiency of waste gas purification treatment are ensured.

The utility model discloses a high -tension isolator operating mechanism relates to electric power equipment technical field, including base, insulating part, first joint, second joint, contactor spare, pivot, protective sheath, and the top surface interval installation of base has insulating part, and the top surface installation of left side insulating part has first joint, and the top installation of right side insulating part has second joint, and the installation of first joint, second joint has contactor spare, in the utility model, through the setting of protective sheath, the pivot is protected, avoids rainwater directly and pivot contact, reduces the corrosion damage of rainwater and pivot, promotes the service life of overall device, through the cooperation of upper sleeve and lower sleeve, is convenient for the dismounting maintenance of protective sheath to the pivot protection of completing, in the maintenance process, only needs to separate both can, need not too many connecting pieces, makes the mechanism more simple.

The application relates to a welding strip processing device, a battery string production line and a battery string. The welding strip processing device comprises a mounting assembly, a guide assembly and a surface treatment assembly. The guide assembly is rotationally connected to the mounting assembly, and is used for guiding the welding strip to be processed when the welding strip to be processed moves in a preset direction. The surface treatment assembly is arranged on the mounting assembly, and is used for etching the surface of the welding strip to be processed. When the welding strip for preparing a solar battery string is processed by the device, the guide assembly is used for guiding the welding strip to be processed when the welding strip to be processed moves in the preset direction, so that the direction of the welding strip to be processed is relatively accurate. In the subsequent welding process, the welding flux is no longer needed, the corrosion and damage of the welding flux to the string welding machine when the welding flux volatilizes and condenses on the string welding machine are reduced, and the welding flux that volatilizes and condenses can be prevented from adhering to the welding strip and the battery piece to corrode the welding strip and the battery piece.