38results about How to "Avoid readsorption" patented technology

The invention discloses a method for recovering ortho-aminophenol in concentrated brine. The method includes adjusting the pH value of high-concentration ortho-aminophenol production wastewater in theconcentrated brine, then introducing into a macroporous styrene series adsorption resin to adsorb the ortho-aminophenol to the macroporous styrene series adsorption resin, utilizing an organic solvent to conduct elution on the saturated macroporous styrene series adsorption resin, and finally recovering the ortho-aminophenol from a solvent desorption solution. According to the method, the problemthat the enterprise water treatment is not up to standard is effectively solved, the economic benefit is improved to the greatest extent, and unification of wastewater treatment and resource recycling is achieved.

The invention relates to a gear machining multi-station cutting device, relates to the technical field of gear machining. When a gear is fixed, firstly the gear sleeves a fixing cylinder, then a locking assembly penetrates through a lower pressing seat to be in threaded connection with the fixing cylinder, the locking assembly continuously penetrates into the fixing cylinder in a screwing mode, the locking assembly presses a movable supporting arm downwards, at the moment, the movable supporting arm turns over with a fixing shaft as the center and supports the gear, then the lower pressing seat is rotated clockwise, and the gear is tightly clamped between the lower pressing seat and the movable supporting arm. The structure is simple, fixing is convenient, gears of different thicknesses and diameters can be clamped, the application range is wide, and a large amount of clamping time is saved; and after machining is completed, the lower pressing seat is rotated anticlockwise firstly, after the lower pressing seat is not in contact with the gear, the locking assembly is rotated anticlockwise, the locking assembly moves upwards, the movable supporting arm is jacked up through a spring, and at the moment, the gear can be detached.

The invention discloses a sapphire lens cleaning method. The sapphire lens cleaning method comprises the following steps of plasma cleaning, mixed acid solution cleaning and cleaning fluid cleaning. According to the sapphire lens cleaning method, the cleaning modes such as plasma cleaning is introduced to bear the cleaning task of most impurities and dirt of a sapphire lens, and the surface of sapphire is prevented from adsorbing the impurities and dirt again; then, cleaning is carried out in a mixed liquid acid solution of hydrogen peroxide and concentrated sulfuric acid, and then deionized water cleaning is carried out so as to further remove the dirty and impurities; and then cleaning and drying the sapphire lens in an ultrasonic container filled with cleaning liquid so as to thoroughlyremove the residual impurities and dirt, wherein the cleaning fluid comprises the components of a nonionic surfactant, carboxymethyl cellulose, sodium metasilicate, sodium hydroxide, a perfluoropolyether-based surfactant and deionized water. According to the cleaning method, a cleaning agent is reasonably selected, and the cleaning steps are reasonably designed, so that the use of strong acid anda strong oxidant is reduced; and the method is simple in technological process, efficient and environment-friendly, the operation method is easy to master, the production is safe, and the automationimplementation of a production line is facilitated.

The invention discloses a cloth surface debris treatment roller for a textile machine. The cloth surface debris treatment roller comprises a side plate, wherein a cloth feeding roller, a traction roller and a guide roller are rotationally mounted on the side plate; a recycling mechanism is fixedly mounted on the side plate; a scraping mechanism is fixedly mounted on the side plate; an ironing mechanism is mounted on the side plate; a grounding rod is fixedly mounted on the side plate; a conductive sheet is fixedly connected to the grounding rod; a pedestal is fixedly mounted on the side plate;a collecting mechanism is connected to the pedestal; a debris scraping and recycling mechanism is arranged in the collecting mechanism; when cloth is continuously pulled for collection, a scraper isin contact with the surface of the cloth to scrape debris; the recycling mechanism is connected with a negative pressure dust suction device to recycle the debris through wind power; and the scrapingmechanism comprises an adjusting device, so that the contact depth of the scraper and the cloth is adjustable, the cloth surface debris treatment roller is suitable for cloth with different thicknesses, and the debris can be scraped to the maximum extent while the cloth is prevented from being damaged.

The invention discloses a cleaning device for semiconductor base material, in particular to a device for removing pollutant from the semiconductor base material and the surface of a mask in the semiconductor process. The cleaning device comprises a working platform, a base and a movable cleaning unit, wherein the base comprises two parallel vertical base plates, each vertical base plate is provided with a bottom end and a top end, and the bottom end of each vertical base plate is arranged on the working platform; and the movable cleaning unit is pivoted at the tops of the two vertical base plates of the base. The movable cleaning unit is at least provided with a slender outlet which is used for delivering a fluid to the semiconductor base material or the surface of the mask.

The invention discloses a device for drying a complex solution. The device comprises a drying bed tank body, wherein the drying bed tank body is vertically arranged, the bottom of the drying bed tankbody is provided with an air distribution plate, the air distribution plate is provided with air distribution holes, the lower portion of the drying bed tank body is horizontally provided with a material distributing pipe, the material distributing pipe is provided with spray holes, the upper portion of the drying bed tank body is provided with a carrier intercepting net, an inert carrier is placed between the carrier intercepting net and the air distribution plate, the top of the drying bed tank body is provided with a water-steam separating plate, and a material delivery pipe is arranged onthe side face of the portion, between the water-steam separating plate and the carrier intercepting net, of the tank body. The device utilizes moving collision of the inert carrier to prevent the spray holes from being blocked by formed scale, is provided with the water-steam separating plate to separate steam, and ensures a drying effect. The device is not prone to blockage, is low in fault rateduring operation, efficient, reliable, good in drying effect and easy to maintain.

The invention discloses a cleaning device for the interior of a distribution box. The cleaning device comprises a main body shell with a conical upper part and a cylindrical lower part; a rack frame is fixedly arranged at the lower part of the main body shell; a motor mounting seat is arranged at the upper part of the rack frame, and a filter frame is arranged at the lower part of the rack frame; a driving device is clamped in the rack frame, and comprises a driving motor, and an output shaft of the driving motor is fixedly connected with a main transmission shaft; the top end of the main transmission shaft is fixedly connected with a rotary cleaning brush head; the middle part of the main transmission shaft is connected with an air draft impeller, and the edge of the air draft impeller is clamped on the main body shell; and a plugging rear cover is arranged on the bottom end face of the main body shell, a motor switch is arranged on the plugging rear cover, and the motor switch is electrically connected with the driving motor. The cleaning device has the advantages of being simple in structure, convenient to use, high in safety coefficient, low in cost and good in cleaning effect.

The invention relates to the technical field of film tearing devices, and discloses an automatic film tearing conveying mechanism which comprises a material conveying belt, the material conveying belt is provided with an outer side used for bearing a release film and a circuit board and an inner side opposite to the outer side, and the discharging end of the material conveying belt is bent and rotated downwards to form a stripping part; the material distributing piece is located at the discharging end of the material conveying belt, and a film discharging gap is formed between the material distributing piece and the stripping part of the material conveying belt; the air exhaust piece is located on the inner side of the material conveying belt and provided with an air exhaust opening facing the inner side of the material conveying belt; the discharging belt is located on the side, away from the material conveying belt, of the material distributing part and used for bearing and transferring the stripped circuit board. A plurality of groups of adsorption holes are formed in the material conveying belt in a penetrating manner; a film outlet gap is consistent with the thickness of a release film; a guide roller is arranged at the high-position end of the material distributing piece, is flush with an inlet of the film outlet gap and is used for bearing the stripped circuit board and guiding the stripped circuit board to the direction of the discharging belt. The film tearing conveying mechanism can automatically strip the circuit board and the release film and distribute the circuit board and the release film to different positions.

The invention discloses a building concrete block waste recycling device which comprises a treatment box, a feeding hopper is arranged on the upper side wall of the treatment box in a communicating mode, a crushing mechanism is arranged in the treatment box and comprises two rotating shafts, crushing rollers are fixedly connected to the side walls of the two rotating shafts, a motor is arranged outside the treatment box, and the crushing rollers are fixedly connected to the side walls of the two rotating shafts. The two rotating shafts extend out of the treatment box and are fixedly connected with gears, and one rotating shaft is fixedly connected with an output shaft of a motor; and a collecting mechanism for collecting metal particles is arranged in the treatment box. According to the device, metal materials in the concrete blocks can be treated while the concrete blocks are crushed, manual operation is not needed, the working efficiency is improved, large metal materials can be crushed into small particles, and therefore the device can collect large blocky materials and small granular metal materials at the same time; and the collecting effect on the metal materials is better.