465 results about "Surface dust" patented technology

The invention belongs to the field of material protection, and particularly relates to a method for improving spraying efficiency and adhesive force by adding a binder in the plasma spraying process. The binder comprises one or more of bentonite, silicon dioxide, borax, sodium silicate and aluminum phosphate. The device has the function of quickly melting spraying particles at high temperature and adhering the spraying particles to a spraying substrate, so that the powder spraying efficiency is improved, and the production efficiency is improved. The method comprises the following steps: firstly, carrying out sand blasting treatment on a spraying base material, removing dust and impurities on the surface to enable the roughness to reach 8-10 microns, weighing, and measuring the surface area to be sprayed; and then weighing the binder and putting the binder into a drying oven to be dried at 120 DEG C; the method comprises the following steps: uniformly mixing a binder and an analytically pure nano spraying material according to a certain proportion, and pouring into a plasma spraying raw material tank; and spraying is carried out at the position with the voltage of 30-50 V, the current of 300-600 A, the air pressure of 8 Mpa and the distance of 80-120 mm. The spraying time is 3-5 min, and after spraying is completed, the powder spraying amount is calculated by weighing the mass difference of the base material before and after the base material is weighed. And by adding the binder, the powdering rate is increased from 30.79% to 51.24%, the consumption of spraying materials is greatly reduced, and the working efficiency is improved.

The utility model discloses a green ceramic tile surface dust cleaning device which comprises a cleaning table, supporting bases and a supporting frame, the supporting bases are welded to the two sides of the bottom end of the cleaning table, the supporting frame is arranged at the top end of the cleaning table in a sliding mode, a vacuum pump is fixed to the bottom end of the cleaning table, and a guide pipe is arranged in the cleaning table. The adjusting motor is started to drive the driving belt pulley to rotate under the action of the driving shaft, the connecting belt and the driven belt pulley are matched to drive the driven shaft to rotate synchronously, and the driving belt pulley and the driven shaft rotate to drive the moving block to move horizontally. Through the operation, a user can conveniently clean different positions of the green operation surface according to actual use conditions, so that the practicability of the green operation surface cleaning device is improved, and the green operation surface cleaning device can conveniently face different use conditions.

The utility model relates to the field of printing, in particular to a printed matter rubber surface printing device. The printed matter rubber surface printing device comprises an offset press body, a dust collector is installed on one side of the offset press body, an electrostatic roller used for removing dust of materials is installed above the to-be-printed materials in the offset press body, a motor and a cleaning brush are installed below the electrostatic roller, and the cleaning brush used for cleaning dust on the surface of the electrostatic roller is arranged on one side of the electrostatic roller. According to the printed matter rubber surface printing device, dust and impurities on the surfaces of materials can be efficiently adsorbed through the electrostatic effect generated by the electrostatic roller, especially dust difficult to clean in tiny pits or textures, the cleaning brush can reciprocate in the horizontal direction under the driving of the transmission mechanism, and the cleaning effect is good. By means of the design, dust accumulation is effectively prevented, and continuous and efficient work of the electrostatic roller is guaranteed.

The invention discloses a dust removal device for a feed production line, and particularly relates to the technical field of dust removal, the dust removal device comprises an outer box body, the inner surface of the outer box body is fixedly connected with a partition plate, the inner surface of the middle position of the partition plate is fixedly connected with a fixed seat, and the inner surface of the fixed seat is rotatably connected with a rotating seat; a plurality of dust removing bags are arranged at the upper end of the rotating seat, a movable filtering assembly is arranged in an inner cavity of the outer box body, a springback assembly is arranged between a partition plate and the fixing seat, and a cleaning assembly is arranged on the right side of the partition plate. When the filter cloth is used for dynamically filtering air, the dust removal bag is driven to twist, rebound and intermittently vibrate to shake off dust on the surface of the dust removal bag, the cleaning burden and the cleaning frequency of a subsequent dust removal mechanism are reduced, the cleaning assembly and the blowing assembly are used for sweeping, knocking and blowing the filter cloth during filtering, and the dust removal efficiency is improved. The filter cloth is kept ventilated and smooth for a long time and is suitable for the scene of continuous production of a feed production line.

The utility model belongs to the technical field of electrostatic powder spraying, and particularly relates to an electrostatic powder spraying device. Comprising a cleaning box and a spraying box and further comprises a conveying rail, and the conveying rail sequentially penetrates through the cleaning box and the spraying box; the first sliding block is movably arranged on the conveying rail; the first supporting frame is fixedly arranged on the first sliding block; the air pressure telescopic columns are symmetrically arranged on the first supporting frame, and the output ends of the two air pressure telescopic columns are symmetrically arranged; the cleaning assembly is arranged in the cleaning box; and the spraying assembly is arranged in the spraying box. The pneumatic telescopic column hangs an object through the output end, the conveying rail drives the object to enter the cleaning box, the cleaning assembly cleans the surface of the object, the conveying rail drives the object to enter the spraying box after cleaning is completed, and the spraying assembly conducts electrostatic powder spraying on the object. Dust and stains on the surface of an object are cleaned, and electrostatic powder attachment is better achieved.

The utility model relates to the technical field of bag-type dust removers, in particular to a bag-type dust remover which comprises a shell, the top end of the shell is communicated with an exhaust port, a compartment rotation switching mechanism comprises six filtering chambers distributed in a honeycomb shape, and an air inlet pipe is fixedly connected to the lower portion of the outer wall of the shell. The control system controls and starts the corresponding pulse blowing pipes to blow downwards to form reverse airflow and strip a dust layer on the surface of the filter bag, the vibration motor drives the whole filter chamber to shake and shake off deep accumulated dust, the dust cleaning effect is good, the shaken-off dust is collected through the dust hopper, finally, the dust is discharged from the dust discharging pipe by opening the dust discharging valve, the pneumatic fluidization rod is started, the airflow enables the dust to be fluidized, and the dust cleaning effect is good. According to the invention, hardening and bridging are prevented, blockage of the ash hopper is avoided, manual knocking intervention is not needed, the safety is high, different filter chambers can be switched to enter a filter mode, and the other filter chambers sequentially enter an ash removal state, so that the device can work continuously without shutdown, and the working efficiency is improved.

The invention relates to the technical field of photovoltaic energy storage, in particular to a photovoltaic energy storage battery device which comprises a storage battery box and a box cover, and a storage battery groove is formed in the storage battery box. A servo motor is used for driving a threaded rod to rotate, a threaded sleeve and a cleaning assembly are driven to move up and down, meanwhile, a toothed plate and a gear are meshed to enable a cleaning brush to synchronously rotate in the moving process, dust and stains on the surface of a photovoltaic panel are comprehensively and efficiently cleaned, and compared with a traditional cleaning mode, the efficiency is improved by 60% or above; the cleaning roller can be stored in the parking groove, lighting is prevented from being affected, damage is avoided, the manual cleaning frequency and workload are remarkably reduced through the automatic cleaning process, the maintenance cost is reduced by 70%, meanwhile, it is ensured that the photovoltaic panel keeps good light transmission all the time, the power generation efficiency is improved by 15%-20%, it is ensured that the device continuously and stably converts and stores solar energy, and the solar energy utilization rate is increased. The practicability, economical efficiency and reliability of the device in the fields of solar energy utilization and energy storage are greatly improved, and the device has important application and popularization value.

The invention discloses a pull-out type optical cable cross-connecting box which comprises a box body, an inner cavity of the box body is fixedly connected with a plurality of guide rail frames in a linear array mode, sliding rails are connected into the guide rail frames in a sliding mode, and an optical fiber fusion distribution disc is fixedly connected between every two sliding rails. The invention relates to the technical field of optical cable cross-connecting boxes. According to the pull-out type optical cable cross-connecting box, the pull-out function of an optical fiber fusion and distribution disc is achieved through cooperation of a guide rail frame and a sliding rail, positioning can be quickly relieved by pushing a push block in cooperation with a limiting mechanism, automatic locking can be achieved by loosening the push block after pull-out, and the optical cable cross-connecting box can be fixed to different pull-out positions according to maintenance requirements; a complete ventilation loop is formed through the cooling fan, the air inlet frame and the air outlet frame, air circulation in the box body is accelerated, the cooling effect is remarkable, the filter plate can filter air entering the box body, dust and impurities are prevented from invading, dust on the surface of the filter plate can be automatically cleaned through the cleaning brush made of PBT fiber materials, the filter plate is soft, the plate is not damaged, and dust is not prone to being left.

The utility model discloses an automatic dust removal device of a sweeper, which comprises a dust collection base station provided with an accommodating space for accommodating the sweeper; the dust collection fan is arranged in the dust collection base station and is used for extracting dust from a dust box of the sweeper; and the exhaust structure is arranged at the air outlet end of the dust collection fan and is used for spraying air exhausted from the air outlet end of the dust collection fan to the surface of the sweeper in the accommodating space. The exhaust structure is arranged at the air outlet end of the dust collection fan, airflow at the air outlet end of the dust collection fan in the dust collection process is guided to the surface of the sweeper, automatic dust removal of the surface of the sweeper is achieved, the problem that dust on the surface of the sweeper needs to be cleaned manually in the prior art is solved, user experience is improved, and the sweeper is convenient to use. And the service life of the sweeper is prolonged.

The utility model discloses a precision assembly cleaning module for consumer electronics, which relates to the technical field of cleaning equipment and comprises a base, a rolling shaft is fixedly arranged in the base, a first circular ring is rotatably arranged on the rolling shaft, a second circular ring is arranged below the first circular ring in a threaded manner, two rotating arms are fixedly arranged on the second circular ring, and first nozzles are fixedly arranged on the rotating arms. A lower shell is fixedly arranged at the lower end of the second circular ring, and two second nozzles are fixedly arranged on the lower shell. High-pressure air is sprayed out of the nozzles, floating ash and foreign matter on the surface of a product needing to be cleaned can be removed under the condition that the product is not contacted, the first nozzle and the second nozzle are different in rotating radius, two different air rails are formed, the cleaning area of the device is enlarged, the ion air nozzle blows ion air, and the cleaning effect is improved. And the flange plate is externally connected with a dust suction device, the floating dust and the foreign matter on the surface of the product are sucked, and the surface of the product is thoroughly cleaned.

This invention discloses an automatic packaging device for printed materials to prevent bubbling, relating to the field of printed material packaging technology. It includes a chassis and a base plate. A motor is located in the center of the chassis, and a slide groove is located on the right side of the chassis. A sliding plate is engaged within the slide groove, and support pillars are fixedly connected to the four corners of the sliding plate. The base plate is fixedly connected above the support pillars, and a heating plate is fixedly connected inside the base plate. An adsorption component is located on the left side of the base plate, and a sliding frame is fixedly connected to the rear of the base plate. A slide rail is formed in the middle of the sliding frame, and a limiting groove is provided in the middle of the slide rail. A limiting ring is engaged within the limiting groove, and a sliding rod is fixedly connected to the center of the limiting ring. A connecting rod is fixedly connected to the rear end of the sliding rod. This invention can heat the printed materials during packaging to remove excess moisture and clean surface dust, ensuring uniform adhesive application and preventing bubbling during lamination.

The utility model discloses a mobile vision AI safety early warning device which comprises a vision early warning box body, a horizontal adjusting base is arranged at the bottom of the outer side of the vision early warning box body, electric telescopic rods are arranged at the two ends of the inner side of a square frame at the end of the horizontal adjusting base, and a monitoring camera moves downwards through cooperation of a servo motor and a threaded vertical rod. The monitoring camera enters the cleaning groove and rotates in the cleaning groove through a micro motor, surface dust cleaning is conducted through a cleaning soft rubber brush arranged in the cleaning groove, the cleaned dust is adsorbed through a dust remover by making the cleaning groove generate suction force through a dust removal pipe fitting, and the adsorbed dust is collected in a dust collection box. And therefore, the problems that the environment is affected and the view of the monitoring camera is blurred due to the fact that dust is diffused to the periphery during cleaning are avoided, and the convenience of cleaning the monitoring camera is further improved.

The utility model discloses a quick purging device for a radar level gage, which relates to the technical field of radar level gage cleaning and comprises a radar level gage, a flange, a mounting block and a detection tube are arranged below the radar level gage, and the quick purging device further comprises an airflow adjusting device arranged on one side of the detection tube. Gas is conveyed into the pipeline through the ventilation pipe, the driving end of the servo motor drives the small gear ring to rotate, the small gear ring is meshed with the large gear ring, then the left-end ventilation block is driven to rotate, the right-end ventilation block is fixed to the right end of the pipeline and does not move, and therefore the left end of the ventilation pipe rotates along with the ventilation block and is gradually twisted into a spiral shape; the air flow path and direction are changed, stronger air flow disturbance is generated, and the air flow can be adjusted by flexibly adjusting the spirality of the through pipe in different dust concentration environments, so that the blown complex air flow blows away dust on the surface of the detection pipe with higher efficiency, and the cleanness of the bottom detection end of the detection pipe is guaranteed.

The utility model discloses a surface dust removal device for PET (Polyethylene Terephthalate) adhesive tape production, which comprises a working table, a mounting seat is arranged above the working table, the top of the mounting seat is connected with an air pump, the side surface of the air pump is provided with an air outlet pipe, the outside of the air outlet pipe is connected with an air delivery pipe, and the bottom of the air delivery pipe is connected with a blowing nozzle. And a first vertical plate and a second vertical plate are mounted at the top of the workbench. According to the surface dust removal device for PET adhesive tape production, an air pump and an air outlet pipe are installed at the top of the workbench, a thick dust removal roller and a small dust removal roller are installed at the top of the workbench, dust outside an adhesive tape can be conveniently removed, an air pump structure is started, and air blown out of a blowing nozzle can blow away the dust outside the adhesive tape; meanwhile, the adhesive tape penetrates through the dust removal roller assembly, dual-surface dust removal is achieved, dust removal is faster during use, and more time and labor are saved.

The utility model discloses a mechanical type take -place device for electrophoresis glass slide, including base, rotary arm, telescopic arm, triangular carousel and adsorption module, purging module, clear edge module, rotary arm is vertically established in base, telescopic arm is horizontally connected in rotary arm top, and triangular carousel is fixed in telescopic arm head and can rotate 360 degrees, and three function modules are evenly distributed in triangular carousel surface, and adsorption module is equipped with negative pressure suction mouth, and purging module is equipped with rectangular air outlet, and clear edge module is equipped with opposite left cleaning brush and right cleaning brush. When using, through triangular carousel switching module, first, clean glass slide edge through clear edge module, then, blow surface dust by purging module, finally, take and place by adsorption module, realize cleaning and take -place integration. It can improve efficiency, reduce glass slide loss, guarantee high cleanliness, and adapt to different specifications glass slide and scene, and be applicable to biological experiment, medical detection and the like scene.

The utility model discloses a positive electrode material coating device, which relates to the technical field of positive electrode material processing and comprises a base, one end of the top of the base is fixedly connected with a cleaning bin, the other end of the top of the base is fixedly connected with a mixing bin, and an output port of the cleaning bin is fixedly connected with an input port of the mixing bin. A first electric valve is fixedly connected to the top of the cleaning bin, a feeding cleaning bin is fixedly connected to the top of the first electric valve, and a water inlet pipe opening is fixedly connected to the side wall of the feeding cleaning bin. According to the base provided by the utility model, the positive electrode material and the coating material are efficiently mixed on the basis that the coating adhesion efficiency is improved by cleaning and pretreating the positive electrode material; therefore, the problems that an existing positive electrode material coating device cannot clean and pretreat the positive electrode material during use, adhesion of the coating material is affected by dust adhered to the surface, and the mixing efficiency is low by adopting a stirring mode during mixing are solved.

The utility model relates to the technical field of protective covers, in particular to a sheet metal protective cover with high sealing performance, which comprises a protective cover body, a groove is arranged at the bottom of the protective cover body, a first magnet is fixedly connected in the groove, a sealing gasket is arranged at the bottom of the protective cover body, and a second magnet is fixedly connected at the top of the sealing gasket. The second magnet extends into the groove, the second magnet and the first magnet are opposite in position, the magnetic poles of the close ends of the first magnet and the second magnet are different, an electric telescopic rod is installed at the top of the protective cover body through a supporting rod, and a connecting rod is fixedly connected to the bottom of the electric telescopic rod. Through cooperative use of a sealing gasket and a sealing plate, the sheet metal protective cover can be primarily sealed through the sealing gasket, then the sheet metal protective cover is sealed again through the sealing plate, the tightness between the sheet metal protective cover and the machine tool is improved, surface dust and chippings penetrate through the machine tool and the sheet metal protective cover, and the sealing effect of the sheet metal protective cover is improved. And the sealing performance and the safety of the metal plate protective cover during use are improved.

The invention discloses a transfer mechanism for cover plate detection, which comprises a cabinet, a feeding conveying unit, a dust removal mechanism, a turnover mechanism, a feeding buffer mechanism and a rotary manipulator, and is characterized in that one end of the cabinet is provided with a first bearing frame and a second bearing frame; the feeding conveying unit is erected at the top ends of the machine cabinet and the first bearing frame. The dust removal mechanisms are arranged at the top end of the cabinet; the turnover mechanism is arranged at the top end of the cabinet, and the turnover mechanism is arranged among the multiple sets of dust removal mechanisms; the feeding buffering mechanism is arranged at the top end of the first bearing frame. The rotary manipulator is arranged at the top end of the second bearing frame. The dust removal mechanism is arranged at the top end of the machine cabinet, so that the surface of the cover plate can be blown through the dust removal mechanism before the cover plate enters the machine body, the surface dust removal operation of the cover plate is achieved, and some machining chippings attached to the surface of the cover plate can be prevented from entering the machine body; and mechanical equipment in the machine body can be stably used.

The invention relates to the field of mobile dust removal. The invention discloses a movable dust removal device for family service, and aims to solve the problems that impurities on the ground need to be treated through cooperation between a rolling brush and a dust collector when dust removal treatment is carried out in a common family, and more impurities contained in the rolling brush are clamped into the brush in the cleaning process of the rolling brush, so that the dust removal effect is poor. And therefore, dust on the rolling brush and the upper surface of the ground can be treated through dust collection, and other impurities in the rolling brush cannot be adsorbed. The rolling brush is generally divided into surface floating dust, middle chippings and root entanglements during cleaning treatment, the scraping plate gradually extends into the rolling brush, the rolling brush can be cleaned more thoroughly, impurities in the rolling brush can be removed in a targeted mode, and the impurities in the rolling brush can be conveniently adsorbed by the dust collection cavity.

The utility model relates to the technical field of manipulators, in particular to a pick-up manipulator structure capable of preventing toy injection molded parts from falling and being damaged, and adopts the technical scheme that the pick-up manipulator structure comprises a stand column, and a bottom plate is fixedly connected to the bottom of the stand column. The positions of a sliding frame and a vertical rod are adjusted through a moving assembly until a square plate at the bottom of the vertical rod moves to the top of the injection molded parts; then a vertical rod and a square plate are driven to move downwards through a control assembly, when the square plate moves downwards, an air pump can be started, downward air flow is generated through the air pump, the air flow can flow into a spraying pipe through a transverse pipe and a hose and is blown out of an injection molding part below through the spraying pipe, and the blown-out air flow can blow away dust on the surface of the injection molding part; and then the square plate continuously moves downwards until the suction cup at the bottom of the square plate makes contact with the injection molding part, the injection molding part can be taken through suction force of the suction cup, and the problem that when a manipulator takes the injection molding part, the manipulator is prone to being affected by surface dust is solved.

The utility model belongs to the field of waste gas treatment, and particularly relates to a waste gas cooling device which comprises a frame, a heat exchange tube is fixedly connected in the frame, and a plurality of fins are fixedly connected between the heat exchange tube and the inner side wall of the frame. The device further comprises a support, a plurality of push rods are fixedly connected to the side, close to the fins, of the support, a plurality of sets of bristles are fixedly connected to the surfaces of the push rods, a moving assembly capable of driving the support to move is arranged on the frame, and the bristles are made of elastic materials. By arranging the moving assembly, the support, the push rod and the bristles, when dust needs to be removed, the moving assembly drives the connecting base to move, the connecting base drives the support to move, the support enables the bristles on the push rod to move, the push rod corresponds to a gap between every two fins, and the bristles are driven by the moving mechanism to be inserted between the fins; therefore, the effect of cleaning and dedusting the fins can be achieved, and the influence of dust on the surface of the fins on the heat exchange effect can be reduced.

The application provides a building curtain wall structure for solar photovoltaic power generation, and relates to the technical field of building curtain walls.A plurality of installation areas are formed on a frame at equal intervals in a first direction and a second direction, the first direction is a horizontal direction and is perpendicular to the second direction, the installation areas are used for installing photovoltaic glass, the frame is provided with a cleaning pipe with an axis parallel to the first direction, the cleaning pipe contains cleaning liquid and is movable along the second direction, a plurality of spray holes are formed in the pipe wall of the cleaning pipe, the surface of the photovoltaic glass is cleaned when the cleaning liquid is sprayed from the spray holes, and the outer wall of the cleaning pipe contacts and wipes the surface of the photovoltaic glass when the spray holes stop spraying the cleaning liquid.Combining the two cleaning methods of spraying and wiping, the surface of the photovoltaic glass is conveniently cleaned and maintained on a daily basis, the problem of a decrease in light transmittance caused by surface dust accumulation is alleviated, a high power generation power is ensured, the hot spot effect caused by long-term dust accumulation is avoided, and the service life of the component and the safety of the system are ensured.

The utility model relates to the technical field of dust removal devices, and discloses a surface dust removal device for circuit board processing, which comprises a bottom plate, a sliding rod is arranged above the bottom plate, the sliding rod is provided with a clamping assembly for clamping a circuit board, the clamping assembly comprises a frame for clamping, the frame is hollow, and the frame is provided with a driving structure for controlling the opening and closing actions of clamping; dust removal equipment is arranged on the surface of the bottom plate and comprises a dust suction machine, and the dust suction machine is connected with two dust suction caps which are symmetrically arranged up and down; the bottom plate is provided with a first lead screw assembly for driving the sliding rod to move back and forth so that the frame can enter and exit between the two dust collection caps. The bottom plate is provided with an ejection mechanism for vertically conveying a circuit board to a frame station; and an air suction type symmetrical dust removal mode is adopted, so that scrapping of the circuit board caused by static electricity during dust removal is reduced, and the qualified rate of circuit board production is improved.

The application provides a charging module and a winding structure, and relates to the field of charging piles.The charging module comprises a main plate 1, the rear side of the main plate is provided with a cross frame, the two ends of the cross frame are fixedly connected with connecting beams, the other ends of the two connecting beams are jointly connected with a front beam, and the front beam is provided with a moving seat.The application drives the wire guide plate to reciprocate stably along the limiting rod by controlling the rotation of the main shaft, and the wire straightening wheel moves synchronously to accurately guide the cable to be arranged, and the corresponding winding drum is driven to rotate synchronously by cooperating with the chain wheel and chain transmission, so that the arrangement and guidance of the cable and the automatic rotation of the winding drum are cooperated and synchronized, and it is ensured that the cable can be wound at uniform intervals and closely arranged.The reciprocating movement of the wire guide plate drives the synchronous part to drive the scraping part to move synchronously with the wire guide plate, and the surface dust of the cable is scraped in real time to cooperate with the arrangement of the cable, and the blowing and suction air flow circulation of the two opposite air shells is realized to efficiently and synchronously perform the winding and cleaning operations.

The utility model relates to the technical field of fabric processing, in particular to a winding machine for fabric processing, which comprises a machine frame and fabric, a winding mechanism is arranged on the machine frame and is used for removing dust in the fabric winding process, the winding mechanism comprises a dust removing assembly, a dust collecting assembly and a dust collecting assembly, and the dust removing assembly comprises a fixed plate fixed at the front end in the machine frame; shaft frames are fixed to the left end and the right end of the fixing plate, supports are rotationally installed at the upper end and the lower end of each shaft frame, dust collection pieces are arranged on the supports and used for collecting dust on the surface of fabric, driving pieces are arranged on the fixing plate and used for controlling the distance between the dust collection pieces at the upper end and the lower end, and connecting pieces are arranged on the dust collection pieces and used for being connected with dust collection equipment. The winding assembly comprises a bottom frame fixed to the right side of the rack, and a winding machine is arranged on the bottom frame; dust on the surface is removed in the fabric rolling process, so that the dust is prevented from being embedded into fibers, and the cleanliness is guaranteed; the distance between the upper dust collection part and the lower dust collection part can be adjusted according to the thickness of the fabric, and the universality of equipment is improved.

The method for promoting formation of melanin on the skin of the black bamboo poles comprises the following steps that 1, black bamboos with the consistent growth vigor are selected, floating ash on the surfaces of the black bamboos is wiped away for use, and gauze and a plurality of materials for wrapping are prepared; 2) preparing a H2O2 solution with a certain concentration on site; (3) the H2O2 solution is smeared on the surface of the green rod of the black bamboo through gauze, the smeared part is wrapped with a wrapping material, the wrapping material is taken down after acting for a period of time, and the wrapping material is naturally aired; 4, the operation in the step 3 is repeated until the skin of the black bamboo stalk is turned into purple black.According to the method, the green black bamboo stalk is treated with the 1% H2O2 solution, formation of melanin on the skin of the black bamboo stalk can be accelerated, the black bamboo stalk color forming time is shortened to about 40 days from original about 120 days, the ornamental period of the black bamboo can be advanced, and the industrial value of the black bamboo can be increased.

The invention provides a building curtain wall structure for solar photovoltaic power generation, and relates to the technical field of building curtain walls, a plurality of mounting areas are formed on a frame at equal intervals in the first direction and the second direction, the first direction is the horizontal direction and is perpendicular to the second direction, and the mounting areas are used for mounting photovoltaic glass; a cleaning pipe with the axis parallel to the first direction is arranged on the frame, cleaning liquid is contained in the cleaning pipe, the cleaning pipe can move in the second direction, a plurality of spraying holes are formed in the pipe wall of the cleaning pipe, when the spraying holes spray the cleaning liquid, the surface of the photovoltaic glass is cleaned, and when the spraying holes stop spraying the cleaning liquid, the outer wall of the cleaning pipe makes contact with and wipes the surface of the photovoltaic glass. The two cleaning modes of spraying and wiping are combined, daily cleaning and maintenance can be conveniently conducted on the surface of the photovoltaic glass, the problem that the light transmittance is reduced due to surface dust accumulation is solved, high power generation power is guaranteed, the hot spot effect caused by long-term dust accumulation is avoided, and the service life of assemblies and system safety are guaranteed.

The application discloses a building solid waste recycled aggregate physical shaping device, which comprises a building solid waste aggregate shaping cylinder assembly, an aggregate shaping shaft rod assembly is arranged in the building solid waste aggregate shaping cylinder assembly, and a closed blanking assembly is arranged at the top of the building solid waste aggregate shaping cylinder assembly. When the building solid waste aggregate is processed, the aggregate shaping shaft rod assembly forms a coaxial acceleration reverse material stirring shaping structure or a coaxial acceleration same direction centrifugal discharging structure in the building solid waste aggregate shaping cylinder assembly; the closed blanking assembly forms a directional transposition type closed blanking structure at the top of the building solid waste aggregate shaping cylinder assembly; and a negative pressure dust collecting structure for timely extracting and collecting old mortar and surface dust is formed at the bottom of the building solid waste aggregate shaping cylinder assembly.

The utility model discloses a PCB board surface cleaning device relates to electronic manufacturing technical field, including support frame, and the support frame is installed with belt conveyor, and one end of belt conveyor is equipped with the transmission motor for driving belt conveyor, and the both sides of belt conveyor are equipped with two mounting blocks, and two mounting blocks are welded in support frame top end surface, and two servo motors are equipped on two mounting blocks respectively, and the output of two servo motors is coaxial and is connected with the lead screw, and the support block is screw -threaded connection and has the support block on the lead screw, and the guide rod is equipped between support block and mounting block, and the protective housing is equipped between two support blocks, and the cleaning part is installed in the protective housing, the utility model discloses the setting through the lead screw, can make the cleaning part adjust to the suitable height, through the setting of sprayer, can improve PCB board surface cleaning effect, through the setting of cleaning component, improve the cleaning quality of PCB board, solved the problem that PCB board surface dust, impurity is difficult to remove, avoids the influence PCB board's performance and subsequent processing because of surface pollutant.

The utility model discloses an inductor surface glue layer spraying machine which comprises a working table, the top of the working table is rotationally connected with a rotating plate, the bottom of the working table is fixedly connected with a motor, an output shaft of the motor penetrates through the working table and is fixedly connected with the rotating plate, the top of the rotating plate is provided with annularly-distributed storage holes, and the storage holes are fixedly connected with the rotating plate. A containing hole is formed in the top of the workbench, a clamping mechanism is arranged on the inner wall of the containing hole, a box body is fixedly connected to the top of the workbench, the top and the bottom of the box body communicate with an air inlet pipe and an air outlet pipe correspondingly, an air pump is installed on the air inlet pipe, and two electric heating plates are installed on the inner wall of the box body. According to the inductor spraying device, when an inductor is sprayed, the surface of the inductor can be subjected to dust removal and preheating treatment, the dust on the surface of the inductor is effectively prevented from influencing the spraying quality, and preheating can be beneficial to improving the spraying efficiency and improving the spraying effect.