26results about How to "Help remove" patented technology

The invention provides a self-cleaning method and device of cleaning equipment and a cleaning system, relates to the field of cleaning equipment, and is applied to the cleaning system comprising the cleaning equipment and a cleaning base station, and the cleaning equipment comprises a floor brush assembly and a scraping strip assembly; the scraping strip assembly is provided with a first position in contact with a to-be-cleaned surface and a second position at which a preset distance is kept between the first position and the to-be-cleaned surface; comprising the steps that when it is detected that cleaning equipment is located in a cleaning base station and is in an initial cleaning mode, a scraping strip assembly is controlled to reciprocate between a first position and a second position; when it is detected that the smudginess degree of the scraping strip assembly is the target smudginess degree, a target self-cleaning mode corresponding to the target smudginess degree is controlled to be switched, and self-cleaning is conducted; each smudginess degree corresponds to a respective self-cleaning mode, so that the cleaning of smudginess on the scraping strip assembly is facilitated by controlling the scraping strip assembly to perform reciprocating lifting brushing operation and applying different self-cleaning modes according to different smudginess degrees, and the self-cleaning effect is enhanced.

The invention relates to the technical field of grease processing, in particular to a preparation method for extracting refined vegetable oil fatty acid. A preparation method for refined vegetable oil fatty acid extraction comprises the following steps: vegetable oil refining treatment and refined vegetable oil fatty acid separation and extraction. In the vegetable oil refining treatment process, the degummed vegetable oil is subjected to deacidification and decolorization treatment by using the modified rice hull-based porous carbon, so that pigments, free fatty acids and heavy metal components in the vegetable oil can be efficiently adsorbed, the effects of adsorption, deacidification and decolorization are achieved at the same time, and the vegetable oil refining efficiency is effectively improved; vegetable oil refining quality is improved, so that the extraction effect of refined vegetable oil fatty acid is improved; in the separation and extraction process of fatty acid in the refined vegetable oil, the contact between urea and saturated fatty acid in the refined vegetable oil can be promoted by adding the crystallization inclusion additive, and a stably-clathrated composite crystal is quickly formed, so that the extraction purity of unsaturated fatty acid is improved.

The invention discloses a PCB leveling device, and particularly relates to the technical field of PCB processing, the PCB leveling device comprises a workbench, the upper end of the workbench is provided with an upper leveling assembly, the upper end of the workbench is fixedly connected with a fixed seat, the upper end of the workbench is provided with a through groove, the right end of the workbench is provided with a feeding assembly, and the right end of the workbench is provided with a lower leveling assembly. A cleaning assembly is arranged at the left end of the feeding assembly, and a heating assembly is arranged at the lower end of the upper leveling assembly. According to the PCB leveling device, the PCB in the feeding process is firstly cleaned through the assembly, dust and impurities are prevented from affecting the machining quality, then the upper leveling assembly descends to drive the heating assembly to preliminarily heat and press the PCB through cooperation between structures, moisture and bubbles on the surface of the PCB are removed, and the PCB leveling efficiency is improved. And finally, the upper and lower surfaces of the PCB are synchronously pressed through the upper leveling assembly and the lower leveling assembly, all-directional calibration is performed on the PCB, and accurate leveling of the PCB is realized.

The invention relates to a mining electric power monitoring system and method, and the method comprises the steps: obtaining multi-dimensional electric power data in a mining electric power system, recognizing abnormal electric power data through employing an RRCF algorithm, and calculating the local fluctuation degree of the current abnormal electric power data; taking the difference between the local fluctuation degrees of the multi-dimensional abnormal power data as a correlation coefficient of each dimension, and attenuating the variance of the correlation coefficient by using a negative exponential function to obtain an abnormal correlation degree; and correcting the original abnormal score of the abnormal electric power data according to the abnormal association degree to obtain a significant abnormal score, identifying the abnormal electric power data to be abnormal, and determining whether the electric power data of the mining electric power system is real abnormal or not. According to the invention, the RRCF algorithm is combined with the calculation of the local fluctuation degree and the abnormal correlation degree, so that real anomalies and false anomalies caused by electromagnetic interference can be identified and distinguished more accurately, and the detection accuracy is improved.

The utility model discloses a bamboo shoot bubbling bath boiling device which comprises a bath boiling box, a driving motor is fixedly installed on one side of the top face of the bath boiling box, the output end of the driving motor drives a spiral blade installed in the bath boiling box to rotate through a synchronous belt wheel set, and through holes and installation cavities are formed in the bath boiling box at intervals. A bamboo shoot collecting plate is arranged below the through hole, a blow-off pipe is fixedly mounted on the bottom surface of the bamboo shoot collecting plate, and a bubbling pipe is mounted in the mounting cavity. According to the utility model, the helical blade is arranged in the bath boiling box, under the driving of the driving motor and the synchronous belt wheel group, the helical blade conveys bamboo shoots and moves from the bamboo shoot inlet to the bamboo shoot outlet while the impurities are screened out through the through holes, and in the conveying process, the impurities on the surfaces of the bamboo shoots, such as chippings and soil, are removed through the through holes. The bamboo shoots can fall to the bottom of the bath boiling box through the through holes and then are discharged through the blow-off pipe, efficient impurity screening in the material conveying process is achieved, and the cleanliness of the bamboo shoots is guaranteed.

The application discloses an aquaculture tail water treatment system and a use method thereof, which comprises a tail water storage tank, a high-pressure treatment unit, a photocatalytic reactor and a control unit. The high-pressure treatment unit comprises a supercritical water reactor, a controller connected with the control unit, a temperature sensor installed on the supercritical water reactor, a pressure sensor and a viscosity monitor used for monitoring the viscosity of tail water. The controller is used for receiving data collected by the temperature sensor and the pressure sensor. The supercritical water reactor has two different environmental states, i.e. a subcritical water environment and a supercritical water environment. The control unit adjusts parameters in the supercritical water reactor and switches the two different environmental states. The solubility of mucus, gonad hormones, organic matters and other impurities in tail water can be enhanced, and the macromolecular network structure and proteins in the impurities can be effectively destroyed, so that more efficient decomposition is realized.

The utility model relates to the field of mutton processing, and discloses a mutton acid discharge device capable of improving the cleaning effect, which comprises a base, a first driving motor fixedly arranged on the inner wall of the bottom of the base, a water tank fixedly arranged on the top of the base, a water pipe fixedly arranged on the water tank and a second driving motor fixedly arranged on the top of the base, a second driving motor is arranged on the cleaning barrel, an output shaft of the second driving motor is sleeved with a driving gear, a sealing cover is movably installed on the inner wall of the cleaning barrel, a hook is rotatably installed in the cleaning barrel, and the device further comprises a rotary cleaning assembly. The rotating gear and the rotating rod are driven to rotate, then the mutton on the hook rotates in the cleaning barrel, meanwhile, the spraying head sprays a water source to the mutton, all-directional cleaning of the mutton is achieved, the problem of cleaning blind areas existing in a traditional hanging cleaning method is effectively solved, and the cleaning thoroughness and sanitary quality of the mutton are improved.

The application discloses a kind of membrane separation concentrated water processing equipment, and the application relates to sewage treatment technical field.The membrane separation concentrated water processing equipment, including processing tank, agitating mechanism, impurity removal mechanism, agitating mechanism includes shaft and servo motor, the outer cylindrical surface of shaft and the top position of processing tank inner cavity close installation have defoaming assembly, the outer cylindrical surface of shaft and the bottom position of processing tank inner cavity close fixedly connected with stirring plate, impurity removal mechanism includes conical screen and collection component, conical screen surface middle is fixedly connected with lower conical extension ring, the surface of conical screen and the top position close fixedly connected with upper conical extension ring, the surface of lower conical extension ring and the surface of upper conical extension ring are all fixedly installed with guide vane, the middle of upper conical extension ring surface is fixedly installed with stirring tooth, reaches the purpose of impurity removal, can remove particulate impurities, and pharmaceutical and concentrated water are uniformly mixed, effectively treat sewage, safe and reliable.

The present invention discloses an electromagnetic water meter and a method for reducing the power consumption of its product, and relates to the field of water meter processing technology. Step 1: make two pipe sections, and both preset bubble exhaust mechanisms on the inner sides of the two pipe sections; Step 2: make a preparatory circulation pipeline, and set a timing sensor inside the preparatory circulation pipeline, and the timing starts when the water flows through the channel; Step 3: set a flow meter on the inner sides of the two pipe sections and close to the bubble exhaust mechanism, and start the preparatory circulation pipeline by receiving and comparing the measurement data of the two groups of flow meters during use. The present invention sets a flow meter on the inner sides of the two pipe sections, and ensures that the preparatory circulation pipeline is started only when the water flow is stable by monitoring the water flow speed, thereby avoiding the energy loss caused by frequent starting and stopping, and by setting the preparatory circulation pipeline, installing a timing sensor inside it, and accurately measuring the water flow time, achieving accurate water flow metering, and promoting the low power consumption use of the electromagnetic water meter.

The utility model relates to the field of mops, and discloses a flat mop which comprises a mounting plate, a mounting groove is formed in the axis of the upper surface of the mounting plate, rubber sleeves are detachably connected in grooves in the left end and the right end of the upper surface of the mounting plate, and a rotating seat is fixedly mounted on the inner wall of the mounting groove. A supporting rod is detachably connected to the upper surface of the rotating seat, a mounting assembly is arranged on the upper surface of the supporting rod, an auxiliary assembly is arranged on the lower surface of the mounting plate, the mounting assembly comprises a mounting cylinder, and a mounting ring is elastically connected into a groove in the upper surface of the supporting rod through an elastic part. According to the utility model, the parts such as the mounting cylinder, the elastic piece and the mounting ring in the mounting assembly are matched with one another through the connection relation, so that the mop is assembled, disassembled and combined, the effect that the mounting assembly is convenient to use by a worker is enhanced, and the storage area of the mop is reduced; and the convenience in transportation and maintenance of the mop is improved.

The utility model relates to the field of incinerator equipment, in particular to an oil-free combustion device for an incinerator. The device comprises an incinerator, a main incineration chamber, a gas bottle, a gas filter, an air blower, an igniter and a detachable fixing mechanism, the main incineration chamber is formed in the incinerator, and the multiple gas bottles are connected to the gas filter in parallel through a gas collecting pipe; the gas filter is arranged at the top of the gas bottle, the air blower is fixedly arranged on one side of the incinerator, an air inlet of the air blower communicates with the gas filter through a pipeline, an air conveying opening of the air blower is connected to a gas inlet of the igniter, a fire outlet of a fire gun tube of the igniter extends into the main incineration chamber, and the detachable fixing mechanism is installed on one side of the main incineration chamber. The detachable fixing mechanism clamps and fixes the igniter; according to the utility model, the plurality of gas bottles are connected in parallel, natural gas is supplied as fuel of the igniter, and impurities in gas can be removed by arranging the gas filter, so that the carbon emission is greatly reduced.

The application discloses a preparation method of N-ethyl acetate-4-piperidine carboxylic acid ethyl ester, which comprises the following steps: taking 4-piperidine carboxylic acid ethyl ester as raw material, taking an acid-binding agent as a reaction solvent, and through N alkylation reaction with halogen ethyl acetate, an ester salt solvent mixture is obtained, then filtration is carried out, the filtrate is evaporated to remove the solvent, water is added, the pH is adjusted to be less than 5 by using an acidic substance, and extraction is carried out by using an organic solvent; water phase is taken, an alkaline substance is added to adjust the pH to be 8 to less than 11, extraction is carried out by using an organic solvent, the oil phase is dried by using a drying agent, filtration is carried out, the filtrate is evaporated to remove the solvent, and the N-ethyl acetate-4-piperidine carboxylic acid ethyl ester is obtained. The acid-binding agent is used as the reaction solvent, which is helpful to speed up the reaction process, and the acid and the alkali are used for treatment and extraction, which is beneficial to improve the purity.

The utility model belongs to the technical field of crankshaft cleaning tools, and discloses a crankshaft oil hole cleaning tool for crankshaft machining, which comprises an operation table, a supporting plate is arranged above the operation table, a linear motor is mounted on the lower end face of the supporting plate, a bearing plate is mounted at the output end of the linear motor, and a crankshaft oil hole is formed in the bearing plate. A bearing plate is arranged on the second mounting plate, a crankshaft body is arranged below the bearing plate, the crankshaft body is sleeved with a cleaning assembly, annular plates are arranged at the two ends of the crankshaft body, and a plurality of first threaded grooves are formed in the two annular plates. The linear motor drives the bearing plate to move left and right, so that the crankshaft body moves left and right while rotating, the cleaning fluid can form turbulent flow on the surface of the crankshaft body, the impact force of the cleaning fluid is enhanced, and oil stains, metal chips and other impurities attached to the surface of the crankshaft body can be removed easily.

The present invention provides a preparation method and application of a porous carbon material-rich Fe single-atom catalyst, which belongs to the field of single-atom catalyst preparation and electrochemical technology. The present invention first synthesizes a precursor by a liquid phase precipitation method, and then calcines and acid-treats the precursor under an inert atmosphere to prepare a porous carbon material-rich Fe single-atom catalyst. The catalyst has a rich multi-level pore structure and carbon defect sites, which not only gives the single-atom Fe high-density fixation and stability on the carrier, but also provides convenient conditions for the adsorption and dissociation of oxygen molecules during the ORR reaction, further improving the catalytic efficiency, wherein the half-wave potential and limiting current density reach 0.85-0.92V and 5.16-5.38 mA / cm respectively. 2 The catalyst has reached the level of commercial Pt / C materials and has broad industrial prospects.

The utility model relates to a repair welding device for an alloy knife block of a scraper, which comprises a fixing seat for fixing the scraper, a high-frequency induction heating device and at least one protection device for protecting the scraper, the protection device comprises a heat conduction frame and a soft heat conduction layer arranged on the inner side of the heat conduction frame, and the protection device is located on the two sides of a high-frequency coil of the high-frequency induction heating device. The welding material of the tungsten alloy block is heated and melted through the high-frequency induction heating device, the tungsten alloy block and the scraper base are conveniently separated, meanwhile, the original welding material can be removed, the heating temperature can be conveniently controlled through high-frequency induction heating, the existing welding material can be effectively melted away, and the influence on the scraper base is avoided; the protection device is used for protecting other positions where the tungsten alloy blocks do not need to be replaced, the reasonable heating range is controlled, and the influence of high temperature on other welding materials where the tungsten alloy blocks do not need to be replaced is avoided.

The invention discloses composite leather and manufacturing equipment thereof, and relates to the technical field of composite leather manufacturing, the composite leather comprises a composite leather body, the composite leather body comprises a leather pre-finished product and a leather finished product formed by pressing a fabric base layer, and the leather pre-finished product is formed by pressing an artificial leather layer and a waterproof breathable layer. Manufacturing equipment of composite leather comprises a rack, a discharging roller piece, a pressing piece, a finished product collecting roller and two gluing assemblies are installed on the rack, and the discharging roller piece is used for conveying an artificial leather layer, a waterproof breathable layer and a fabric base layer. According to the composite leather and the manufacturing equipment thereof, through cooperation of the discharging roller piece, the pressing piece and the gluing assembly, it is effectively guaranteed that all layers of the composite leather are firmly bonded, the overall structure is stable, and therefore the quality of a composite leather finished product is guaranteed; the requirements of different application scenes on the physical properties (such as strength, durability and the like) and the functions (such as water resistance, air permeability and the like) of the composite leather can be met.

This application relates to the field of Cd-containing wastewater treatment technology, and discloses a wastewater treatment agent, its preparation method, and its application. The preparation method of the wastewater treatment agent of this application includes the following steps: S1, crushing and screening waste concrete to obtain concrete particles; S2, washing and drying the concrete particles; S3, carbonizing the dried concrete particles in a sealed environment to obtain the wastewater treatment agent. The wastewater treatment agent of this application is prepared by the above method, and the prepared wastewater treatment agent can be applied to the field of Cd-containing wastewater treatment technology. The wastewater treatment agent prepared by this application is low in cost and can effectively remove Cd from wastewater. 2+ It removes substances quickly and can be reused.

The application provides a photoelectrochemical detection system and method, which obtains a photocurrent autocorrelation coefficient by autocorrelation testing of an initial photocurrent signal, obtains a photocurrent oscillation correlation coefficient by differential correlation testing of a low-frequency oscillation photocurrent signal segment set, extracts a photocurrent increment feature from the low-frequency oscillation photocurrent signal segment set by an oscillation frequency period when the photocurrent oscillation correlation coefficient is higher than the photocurrent autocorrelation coefficient, corrects the initial photocurrent signal according to the photocurrent increment feature to obtain a photocurrent detection signal, and analyzes the photocurrent detection signal to obtain a photoelectrochemical detection result, which can correct the detection photocurrent according to the photocurrent increment feature under a low-frequency oscillation period, thereby reducing random environmental interference on the photocurrent signal and improving the accuracy of the photoelectrochemical detection result.

The application relates to the technical field of electrical engineering high-voltage power transmission and transformation equipment manufacturing and operation and maintenance, in particular to a 3D printing dot matrix composite material preparation method adopting a soft mold and application thereof. The 3D printing dot matrix composite material preparation method adopting the soft mold is provided, the photocuring 3D printing technology is combined with the soft mold pouring process, the soft mold is easier to demold, damage to the dot matrix frame is reduced, the yield is improved, surface treatment after the soft shell is removed ensures the smoothness of the material surface, defects are reduced, the insulation performance is improved, and the actual application requirements are met.

The invention relates to the field of oral care products, and particularly discloses a preparation method of whitening and antiallergic toothpaste which comprises the following raw materials: deionized water, an abrasive, a traditional Chinese medicine extract, sodium phytate, a microcapsule desensitizer, torreya grandis seed oil, sorbitol, cocamidopropyl betaine, xanthan gum and sodium carboxymethyl cellulose. The preparation method comprises the following steps: mixing the xanthan gum, the sodium carboxymethyl cellulose, the sorbitol and the deionized water, stirring and dispersing, then adding the abrasive, the sodium phytate and the cocamidopropyl betaine, stirring and dispersing in vacuum, finally adding the traditional Chinese medicine extract, the microcapsule desensitizer and the torreya grandis seed oil, continuously stirring and dispersing, and vacuumizing, discharging and filling in a vacuum state. The whitening and antiallergic toothpaste is obtained. The whitening anti-allergic toothpaste prepared by the invention is proper in friction value, excellent in tooth stain and dental plaque removal effect, remarkable in tooth whitening effect, capable of solving the problem of dentin hypersensitivity in multiple aspects and remarkable in anti-allergic effect.

The utility model belongs to the technical field of textile processing, and particularly relates to a netting machine provided with a pretreatment mechanism, which comprises a base, a motor is arranged on the outer wall of the base, an output shaft of the motor penetrates through a movable box body, a roller is fixedly connected in the movable box body, a pre-cleaning device is movably connected in a cavity of the roller, and the pre-cleaning device is arranged on the base. And the pre-cleaning device comprises a fixed seat. According to the netting machine provided with the pretreatment mechanism, the pre-cleaning device is arranged, a piston rod is driven by work of an air cylinder to do telescopic movement, the piston rod drives one set of hinge rods to move, rotating discs of the set of hinge rods drive tooth blocks to be in meshed connection with tooth blocks on the other set of rotating discs, and the other set of hinge rods are indirectly driven to move; the meshed connection of the two sets of hinge rods drives the sliding blocks hinged to the hinge rods to move oppositely, and the clamping blocks on the sliding blocks can quickly and effectively remove impurities and residues on the network cable through the friction blocks.

The present application relates to the technical field of glass wool, and specifically to a method for preparing ultrafine centrifugal glass wool, comprising: placing glass raw materials into a high-temperature kiln to melt into glass slurry; the slurry enters a fiber-forming machine and is spun into ultrafine glass fibers through small holes on a drum; an acid solution and 3-aminopropyltriethoxysilane are mixed to form a pretreatment solution; the glass fibers are immersed in the pretreatment solution, the glass fibers are fully immersed through ultrasonic treatment, and then saturated lime water is sprayed on the surface of the glass fibers to obtain pretreated glass fibers; an adhesive is mixed with a low-viscosity solvent and an auxiliary agent, and the mixture is evenly sprayed onto the surface of the pretreated glass fibers to bond the glass fibers into shape; the bonded glass fibers are sent into a curing furnace for heating to solidify the adhesive and solidify the fibers into shape; the ultrafine centrifugal glass wool prepared by the present application through the selection of specific raw materials and preparation processes further improves wear resistance and toughness while maintaining sound insulation and corrosion resistance.

The invention belongs to the technical field of skin care, and discloses an anti-wrinkle composition, application and a skincare product, the anti-wrinkle composition comprises the following components by weight: 1-3 parts of grape seed oil, 0.4-1 part of a purple coneflower extract, and 0.2-0.6 part of a tulip flower extract. The grape seed oil, the purple coneflower extract and the tulip flower extract are compounded, so that the effect of synergistically improving the anti-wrinkle effect of the skin is achieved.

The utility model discloses a kind of anti-clogging continuous glacial acetic acid rectification purification device, including sequentially connected raw material tank, preheater, rectifying tower, the outside of the raw material tank is equipped with first heat-preservation jacket, the outside of the rectifying tower is equipped with second heat-preservation jacket, the pipeline between the rectifying tower and the preheater is equipped with polymerization inhibitor injection port;The gas phase outlet of the top of the rectifying tower is connected with main condenser, the main condenser connects reflux tank, the reflux tank is connected product cooler by reflux pump, and the product cooler is connected with product storage tank;The liquid phase outlet of the bottom of the rectifying tower is connected with reboiler, and the reboiler is also connected with the rectifying tower, and the pipeline between the liquid phase outlet and the reboiler is also equipped with recovery tank.The utility model can present glacial acetic acid's high-purity continuous stable production, solve or greatly alleviate crystallization plugging problem in rectification process.

The invention relates to the technical field of fiber spinning, and discloses a filtering device suitable for carbon fiber spinning oil and a using method thereof.The filtering device comprises a main body, the top of the main body is fixedly connected with a feeding pipe, the bottom of the main body is fixedly connected with a discharging pipe, the interior of the main body is fixedly connected with a fixing ring, and the top of the fixing ring is fixedly connected with a plurality of springs; the tops of the springs are fixedly connected with a filtering frame, and the top of the filtering frame is fixedly connected with a cross-shaped frame. When the expanded flexible ring slides, the filter frame is pushed to push an oil agent on the filter screen, impurities can be pushed to prevent blockage, the impurities are difficult to form a blockage layer at the bottom of the filter frame through continuous stirring and pushing of the flexible ring, frequent maintenance and cleaning caused by blockage are reduced, and the service life of the filter is prolonged. And the overall operation efficiency of the device is improved.

The invention relates to the technical field of refractory bricks, in particular to a high-temperature-resistant mica brick and a preparation method thereof. The high-temperature-resistant mica brick is prepared from the following raw materials in parts by weight: 20 to 30 parts of coal gangue, 20 to 30 parts of quartz sand, 5 to 7 parts of Al2O3, 26 to 33 parts of MgO, 22 to 27 parts of K2SiF6 and 1 to 5 parts of straw. Through a scientific material formula and an innovative sintering process, the high-temperature-resistant mica brick disclosed by the invention has relatively high volume density, the compression strength at normal temperature is greater than 400MPa, the folding strength at a high temperature of 1000 DEG C is greater than 80MPa, and the refractoriness is higher than 1200 DEG C. The series of excellent properties ensure that the material can stably run for a long time under wide conditions including high temperature and severe environments, and the stability and the service life of equipment in industrial application are improved.