115results about How to "Improve adsorption stability" patented technology

The invention relates to the technical field of carton stacking, and discloses a carton production stacking device which comprises a mechanical arm, the output end of the mechanical arm is rotationally connected with a sliding seat, and the inner surface of the sliding seat is slidably connected with a sliding plate through a sliding block. The distance between the telescopic suction cups is changed, so that the adsorption stability of the telescopic suction cups to cartons of different sizes is improved, a first sealing plate and a second sealing plate block the bottoms of the telescopic suction cups, and the situation that in the placing process of the device, dust adheres to the telescopic suction cups, and the adsorption effect of the telescopic suction cups is affected is prevented; and a rotary hook lock resets and clamps a clamping shaft, the situation that dust enters a protection frame from a gap and is attached to the telescopic suction cup due to the gap between a first sealing plate and a second sealing plate is avoided, and then the protection effect on the telescopic suction cup is improved.

The invention discloses application of a combined collecting agent in flotation of low-grade copper oxide ore, and belongs to the technical field of beneficiation flotation reagents. The combined collecting agent comprises a chelating agent and a xanthate collecting agent, the chelating agent is benzyl-N, N-dimethyl dithiocarbamic acid, the xanthate collecting agent is amyl xanthate, and the combined collecting agent is used for flotation of low-grade copper oxide ore. Ore is subjected to crushing, ore grinding, coarse separation and pulp mixing to obtain ore pulp to be floated, a gangue inhibitor is firstly added into the ore pulp, then sodium sulfide is added to activate copper oxide ore, and after activation, a combined collecting agent and a foaming agent are sequentially added to recover copper oxide minerals in the ore. Compared with a single xanthate collecting agent, the low-grade copper oxide ore combined collecting agent is small in agent dosage and convenient to add, the dosage of amyl xanthate serving as a collecting agent and the dosage of sodium sulfide serving as a vulcanizing agent are reduced, the beneficiation cost is reduced while the flotation recovery rate and grade of low-grade copper oxide ore are improved, and the low-grade copper oxide ore combined collecting agent is an environment-friendly agent.

The invention provides a system and a method for treating coexisting new pollutants in drinking water, and the system and the method are characterized in that firstly, ozone microbubble water with small volume and large specific surface area and magnetized superfine activated carbon are used for carrying out oxidation treatment on the coexisting new pollutants and adsorbing pollutants with small molecular weight and relatively high activity; the purpose of removing part of new pollutants is achieved; then, under the irradiation of an ultraviolet lamp tube, the reducing agent catalyzes sulfite to generate reducing free radicals such as hydration electrons [eaq-],. H and SO3., and under the substitution action of iodide ions, reductive dehalogenation and iodine substitution reaction of the halogenated organic matter difficult to degrade are achieved, and reduction removal of new pollutants difficult to degrade is achieved. The system is simple and compact in structure, is a treatment device integrating filtration, oxidation, adsorption and reduction, reduces the occupied area, can realize effective removal of coexisting new pollutants with different molecular characteristics and different reaction activities through multiple actions of physical interception, oxidation, adsorption, reduction and the like, and has a wide application prospect.

The utility model belongs to the technical field of hoisting equipment, and particularly relates to automobile top cover transferring and hoisting equipment which comprises a frame body, balancing frames are fixedly connected to the two ends of the frame body. A pair of symmetrically distributed vacuum pumps is arranged at the bottom of the balancing frame; the output end of the vacuum pump is fixedly connected with a suction cup body. A rotating piece is arranged between the suction cup body and the vacuum pump; the side wall of the vacuum pump is fixedly connected with a U-shaped frame; the interior of the U-shaped frame is rotationally connected with a rotating rod; a spring is fixedly connected between the rotating rod and the U-shaped frame; and a cleaning brush is detachably mounted on the side wall of the bottom end of the rotating rod through a bolt. The cleaning brush rotates on the U-shaped frame through the rotating rod under the extrusion of the automobile top cover and slides on the automobile top cover in the inclined direction to clean the contact part of the suction cup body and the automobile top cover, so that the dust cleaning effect is achieved, the smoothness of the surface of the top cover is recovered, the contact area between the suction cup and the top cover is increased, and the adsorption force is improved; and the hoisting process is more stable and reliable.

The embodiment of the invention provides a building board transfer device and a using method thereof. The building board transfer device comprises a frame, a plurality of cross beams, a dust removal mechanism, a second hose, a second main pipe, a second air pump, a vacuum suction cup and an air guide pipe. The dust removal mechanism comprises an annular pipe, a plurality of air inlet pipes, a supporting rod, a first hose, a first main pipe and a first air pump; the supporting rod is connected with the annular pipe, the annular pipe is connected with the multiple air inlet pipes, the annular pipe is connected with the first hose, the first hose is connected with the first main pipe, and the first main pipe is connected with the first air pump. Dust accumulated on the surface of the plate can be effectively absorbed, and the dust is prevented from interfering with formation of a negative pressure environment in the adsorption process of the vacuum suction cup. And the sealing performance between the vacuum chuck and the surface of the plate is ensured, so that the adsorption stability of the vacuum chuck is improved.

The invention relates to the technical field of glass production, and particularly discloses an auxiliary loading and unloading device for glass production, which comprises a mounting plate, a movable rod is movably mounted at the top of the mounting plate, a moving rod is movably mounted on one side of the movable rod, and a connecting rod is movably mounted at the bottom of the moving rod. Fixing rods are movably installed at the two ends of the bottom of the connecting rod, fixing mechanisms are arranged at the bottoms of the fixing rods, movable plates are movably arranged on the two sides of the movable rod, and auxiliary mechanisms are arranged on the movable plates. According to the device, electric suction cups and air holes are arranged, the electric suction cups abut against the upper surface of glass, then the electric suction cups are started to complete adsorption of the glass, then through cooperative use of a movable rod, a moving rod and a connecting rod, transferring and lowering of the glass can be completed, and the use convenience of the device is improved; and the full-automatic operation mode does not need manual operation of workers, so that the labor intensity of the workers is reduced.

The invention discloses a water-based flux cleaning agent for integration, and belongs to the field of semiconductor cleaning agents. The water-based flux cleaning agent is prepared from the following raw materials in percentage by weight: 30-50% of alcohol ether solvent, 1-5% of organic amine, 3-5% of gemini imidazoline corrosion inhibitor and 40-70% of deionized water, wherein the sum of the weight percentages of the raw materials is 100%. According to the water-based flux cleaning agent, the imidazoline corrosion inhibitor is adopted, so that a remarkable cleaning effect on flux residues, soldering paste and fine particles on a semiconductor electronic device is achieved, meanwhile, the brightness of welding spots can be maintained, the surface insulation performance is good, the metal surface of an IPM module can be effectively prevented from being oxidized, and the service life of the IPM module is prolonged. The cleaning agent is especially suitable for cleaning pollutants in the welding process of semiconductor chips, chip type capacitors and circuit substrates.

The invention discloses a narrow strip pneumatic suction cup and a using method thereof, and belongs to the technical field of suction cups, the narrow strip pneumatic suction cup comprises a mounting seat, a fixing ring and a connecting block, the outer wall of the mounting seat is movably connected with the fixing ring, and the connecting block is mounted on one side of the mounting seat. A first servo motor drives a first driving gear to rotate so as to drive a first driven gear to rotate and a fixed circular ring to rotate, through the arrangement of a laser transmitter, laser triggers, a connecting pipe and suction cups, each laser trigger corresponds to one specific suction cup, and therefore in the rotating process of the fixed circular ring, the fixed circular ring is driven to rotate. Suction cup data at the output position of the bottom of the fixed circular ring are accurately obtained through the laser trigger, meanwhile, the position of the suction cup can be accurately limited, then the corresponding suction cup can be adjusted and selected according to the width of a narrow strip needing to be adsorbed, and then the adsorption effect on the narrow strip is improved.

The invention relates to the technical field of adsorbent materials, and particularly discloses a biomass nano composite membrane for heavy metal ion adsorption and a preparation method and application thereof. The preparation method comprises the following steps: respectively dissolving a certain amount of chitosan and cellulose in an ionic liquid, dissolving polyacrylonitrile in an N, N-2-methylformamide solution, mutually dissolving the polyacrylonitrile, the cellulose and the chitosan solution according to a preset mass ratio, and carrying out stirring ultrasonic treatment to remove a steam pocket so as to obtain a uniformly mixed spinning solution; taking the spinning solution to pass through electrostatic spinning equipment to obtain a porous nano composite membrane; performing low-temperature plasma treatment on the composite film to introduce different types and contents of oxygen-containing and nitrogen-containing functional groups; and carrying out in-situ growth of the metal organic framework-ZIF-8 on the treated composite film. Oxygen-containing and nitrogen-containing active functional groups are introduced to the surface of the nanofiber membrane through plasma modification, and the specific surface area and active sites of the composite membrane are improved, so that the high-efficiency capture and adsorption stability of the nano composite membrane on heavy metals is synergistically improved.

The invention relates to a high-selectivity ilmenite flotation process, belongs to the technical field of flotation, and aims to solve at least one of the problems of poor ilmenite selectivity, poor collecting performance and the like in the conventional flotation method. According to the ilmenite flotation process, the collecting agent of a specific structure is selected, the two hydroximido groups and the two imino groups are introduced into the same molecular structure, and the binding capacity between the collecting agent and metal ions can be improved through a solid-loving group composed of the two hydroximido groups; the adsorption stability of the whole collector molecules on the surface of the mineral is enhanced, and the collecting performance and selectivity of the collector molecules are improved; meanwhile, a plasma pretreatment method is adopted for the raw ore, the surface structure of the ore is changed, impurities on the surface of the ore are reduced, the reaction activity of the surface of the ore is enhanced, and the surface property difference between the ilmenite and forsterite is improved, so that collecting agent molecules can chemically react with the surface of the ilmenite under the weak acid condition, and the flotation separation efficiency of the ilmenite is improved; and the consumption of sulfuric acid is reduced.

The present invention belongs to the technical field of lithium ion adsorbent preparation, and specifically discloses a method for preparing a modified aluminum-based composite lithium adsorbent. The modified aluminum-based composite lithium adsorbent prepared by the present invention is prepared by hydrothermal reaction of soluble aluminum salt and lithium salt in urea aqueous solution to obtain aluminum-based adsorbent precursor precipitate; then soaking it in a lithium hydroxide solution of a certain temperature and concentration for a certain period of time, and then adding manganese salt to perform hydrothermal reaction to prepare an aluminum-based adsorbent precursor of an in-situ grown manganese-based ion sieve; finally, the lithium ions are eluted by acid washing and dried to obtain. The modified aluminum-based composite lithium adsorbent prepared by the method of the present invention has the advantages of high adsorption capacity, good cycle stability, and a wide range of brine applications.

This utility model discloses an alloy plate unloading fixture, relating to the field of fixtures. The utility model includes a unloading machine body, with first motors symmetrically mounted on both sides of the unloading machine body. A commutator is fixedly connected to the output end of each first motor, and a lever is rigidly connected to the commutator. The lever is driven to rotate by the first motors. A photoelectric sensor is installed on one side of the unloading machine body. The photoelectric sensor employs advanced sensing technology. The symmetrically arranged first motors, driven by the commutator, directly contact the alloy plate for physical correction, ensuring the immediacy and accuracy of position adjustment and avoiding the efficiency bottleneck of traditional manual positioning. The photoelectric sensor, combined with a laterally movable protrusion and groove design, enables dynamic adjustment of the monitoring position, adapting to various sizes of plates. The replaceable lever size further expands equipment compatibility, reduces changeover costs, and forms a high-precision, highly flexible positioning system.

The invention belongs to the technical field of hydraulic machine manufacturing, and provides a hydraulic machine with an automatic induction safety protection device. The hydraulic machine comprises a workbench, the workbench is fixedly connected with a supporting frame, the supporting frame is fixedly connected with a hydraulic rod, the telescopic end of the hydraulic rod is fixedly connected with a fixing base, and the side walls of the two sides of the fixing base are fixedly connected with sliding sleeves; the sliding sleeves are both slidably connected with the supporting frame, the two ends of the supporting frame are both sleeved with elastic limiting sleeves, the elastic limiting sleeves are both fixedly connected with the end face of the workbench, a containing groove is formed in the end face of the workbench, and a suction mechanism is arranged in the middle of the containing groove. According to the device, under the cooperation of the air pressure sensor and the pressure sensor, the vertical fracturing and horizontal expansion cracking conditions of the blank can be effectively monitored, so that the protection effect on the hydraulic rod is improved, and the hydraulic rod and the fixing base are prevented from vibrating and deforming under the action of impact force when the blank is suddenly broken.

The utility model relates to the technical field of optical crystal blank processing, in particular to a grinding structure for optical crystal blank processing, which comprises a support frame arranged on a machine base, a grinding component for performing targeted adjustment grinding according to the position of an optical crystal blank is arranged on the support frame, and a mounting plate is arranged on the machine base. A placing seat is mounted on the mounting plate, a vacuum suction pipe is mounted on the placing seat, a vacuum chuck for adsorbing and fixing an optical crystal blank is mounted at the top of the vacuum suction pipe, and a rotating mechanism for driving the vacuum suction pipe to rotate is arranged on the vacuum suction pipe. According to the utility model, the crystal blank is firmly adsorbed on the vacuum chuck through the vacuum suction force generated by the vacuum pump, so that the influence on the optical performance of the crystal blank caused by the damage to the corners of the crystal blank due to side edge clamping is avoided, and the vacuum chuck is a rubber pad with a cambered surface structure at the top, has certain elasticity, and can be better attached to the cambered surface crystal blank; the friction force with a crystal blank is increased, so that the adsorption stability is improved.

This utility model relates to a conveying mechanism for testing electronic components, including a machine base and several trays, cooling tables, testing tables, and temporary storage tables located on the machine base; the second conveying mechanism also includes a conveying cover located outside the conveying lifting cylinder; the conveying cover directly below the conveying base has an inlet and outlet for the conveying base to freely enter and exit, and the inlet and outlet are equipped with a closed structure. The conveying cover on the second conveying mechanism of this utility model can keep the electronic components warm during the conveying process, and the conveying base outside the suction cup allows the suction cup to easily enter and exit the inlet and outlet at the bottom of the conveying cover, facilitating the gripping of electronic components and avoiding any impact on the electronic components.

The invention discloses a low-temperature-resistant negative electrode zinc paste and a low-temperature alkaline zinc-manganese battery containing the zinc paste. The negative electrode zinc paste comprises the following components in parts by weight: 60-65 parts of zinc powder, 1-2 parts of a composite conductive agent, 0.1-0.3 part of a composite corrosion inhibitor and 35-38 parts of a low-temperature electrolyte; the low-temperature electrolyte comprises a multi-element nonionic surfactant system, a multi-element nano anti-freezing agent system and a mixed solution A, the 3.9 ohm discharge capacity of the battery under the condition of-40 DEG C is larger than or equal to 60% compared with the capacity retention rate at normal temperature, the interface impedance amplification is smaller than or equal to 15%, the hydrogen evolution amount is reduced by 80% on year-on-year basis, the process is compatible with an existing production line, and the battery is suitable for polar scientific investigation and electronic equipment in plateau and cold regions.

The present invention discloses a conical high-efficiency zeolite rotor adsorption concentration purification device. It includes a rotor shell, an adsorption gas inlet is arranged on the front side of the rotor shell, an adsorption gas outlet is arranged on the rear side of the rotor shell, a guide plate near the adsorption gas inlet is arranged in the rotor shell, a zeolite rotor near the adsorption gas outlet is arranged in the rotor shell, a desorption gas inlet is arranged at the adsorption gas outlet, and a desorption gas outlet is arranged on the rotor shell. The high-temperature gas entering from the desorption gas inlet can desorb the organic matter adsorbed on the zeolite rotor and discharge it through the desorption gas outlet. The beneficial effect is: the airflow can be evenly distributed and dispersed, which greatly improves the overall adsorption efficiency and stability. In addition to being able to reduce the volume of the entire equipment and effectively reduce the floor space, it also greatly increases the gas processing capacity. The modular structural design of the zeolite rotor is convenient for production, transportation and installation. The adsorption and desorption structure formed reduces the difficulty of processing and assembly, and reduces the cost.

The invention discloses self-compacting concrete and a preparation method thereof, and relates to the technical field of concrete, and the concrete comprises cement, fly ash, mineral powder, water, sand, stone and a modified water reducer. The modified water reducing agent is a polymer prepared from a hydroxyl-containing monomer I, a double-bond-containing acyl chloride monomer II, an unsaturated polyether monomer III and a double-bond-containing monomer IV in a mass ratio of (0.5-1.5): 1: (9-12): 1 through esterification reaction and double-bond addition polymerization, and hydroxyl, carboxyl and a polyether side chain are introduced into a molecular chain of the polymer at the same time. According to the water reducer, through the synergistic effect of hydrogen bond stable adsorption, steric hindrance and electrostatic repulsion, the compressive strength of concrete is improved, the slump is reduced, the balance of super-long retarding and high-strength development is achieved, and the comprehensive performance is excellent.

The utility model discloses a cylindrical metal packaging tin inner and outer wall polishing device which is characterized in that a transmission groove is formed in the middle of a base, four driving grooves are evenly distributed in the periphery of the base, driving lead screws in the grooves are meshed pairwise through gears in the transmission groove to achieve synchronous rotation, and a polishing assembly is driven to move in the horizontal direction; and the polishing requirements of inner and outer walls of tanks with different diameters are met. A transverse plate on the stand column is driven by a stand column motor and a lead screw to vertically move, and the height of the suction cup rotating assembly is adjusted to adapt to different tank heights. The suction cup rotating assembly adsorbs and fixes the tank body through an air pump, an air cylinder drives an extending block to be matched with a threaded rod, constant-speed rotation of the tank body is achieved, and full-circumferential automatic polishing is completed by combining positioning of a polishing plate. A central axis channel of the threaded rod optimizes the gas path layout, and the adsorption stability is ensured. According to the device, efficient switching and machining of polishing of the inner walls and the outer walls of tanks of different specifications are achieved through linkage transmission and height adjustment, and the production efficiency and the equipment universality are improved.

The invention provides high-stability sesame paste and a preparation method thereof. The preparation method comprises the following steps: cleaning sesame; drying the sesames; roasting the sesame seeds; cooling is performed; grinding, homogenizing and centrifugally separating to obtain sesame oil and a solid phase; taking glycyrrhizin and agave fructan, adding deionized water, stirring and dissolving to obtain a mixed water phase; dispersing glyceryl monocaprate in sesame oil, stirring and dissolving to obtain an oil phase; pouring the mixed water phase into the oil phase, and homogenizing to obtain a compound oil emulsion; adding the edible sugar, the table salt and the compound oil emulsion into the solid phase, and uniformly stirring; and performing low-temperature plasma treatment. The composite oil emulsion is obtained through a simple dispersion and emulsification method, formed emulsion droplets are small and uniform in particle size and compact in gel network structure, synergistic coexistence exists on an oil-water interface, interaction force such as hydrogen bonds exists, sesame oil and a solid phase can be firmly combined, a stable homogeneous system is formed, and the stability of the sesame oil is improved. Therefore, the sesame oil is prevented from gathering and being separated out after being remixed with a solid phase.

The invention discloses porous adsorption resin for silane purification and a preparation method of the porous adsorption resin, and belongs to the technical field of silane production. The porous adsorption resin is prepared from the following components in parts by weight: 100 to 200 parts of deionized water, 10 to 30 parts of modified mesoporous magnetic particles, 20 to 40 parts of acrylic resin monomer, 5 to 15 parts of N, N-methylene bisacrylamide, 10 to 20 parts of polypropylene glycol monomethyl ether acrylate and 20 to 50 parts of initiator aqueous solution. The prepared porous adsorption resin can efficiently remove chloride ions and metal impurities in silane, the purity of a silane product is improved, the product purity can reach 99.998% or above, the requirement for the purity of silane in the high-end application field is met, good adsorption stability is achieved, bonding between the adsorption resin and the silane impurities is firmer, and the service life of the adsorption resin is prolonged. According to the present invention, the high adsorption capacity can be maintained after the multi-time cycle use, such that the purification precision and the purification effect are improved due to the appropriate pore size distribution, the selectivity on the impurity adsorption is provided, and the targeted adsorption can be performed according to the size and the property of the impurity molecule.

The utility model discloses a quick tapping tool with a gradual change section chip removal combined structure, and relates to the technical field of tapping tools. The rapid tapping tool with the gradual change amount section chip removal combined structure comprises a limiting frame, a tapping mechanism is arranged above the limiting frame, a limiting assembly comprises a movable frame movably installed below the limiting frame, a connecting rod is movably installed below the movable frame, a limiting rod is movably installed at the bottom end of the connecting rod, and a tapping mechanism is arranged above the limiting frame. A transmission ring is movably installed below the limiting rod, a pressure bearing separates rotation of the screw tap from static monitoring of a pressure sensor, the screw tap can rotate freely, axial pressure can be effectively transmitted to the sensor, the situation that rotation interferes with pressure monitoring is avoided, meanwhile, the linear bearing limits the screw tap to move only in the axial direction, pressure abnormity caused by deviation is avoided, and the service life of the screw tap is prolonged. The grip is matched with the ratchet and the ratchet wheel, so that rotation action and pressure application are separated, the influence of manual force application fluctuation is structurally eradicated, and pressure stability and controllability are achieved through cooperation of multiple components.

This invention discloses an intelligent laser cutting machine for the production of automotive metal interior parts, belonging to the technical field of intelligent laser cutting machines. The invention includes a machine body with an adjustment seat mounted on it, and a laser cutting head installed on the adjustment seat. A collection component is also installed on the machine body. An adsorption platform is fixedly installed on the machine body, and adsorption seats are uniformly installed throughout the upper surface of the adsorption platform. The inner side of the adsorption seats is divided into a first cavity and a second cavity by a fixedly installed partition plate. The first cavity and the second cavity are respectively connected to a vacuum pump and an air pump via external air pipes. A lifting seat is elastically and dynamically installed on the inner side of the adsorption seats. This intelligent laser cutting machine for the production of automotive metal interior parts can automatically position sheet metal at multiple points and in multiple modes, avoiding the impact and vibration of protective gas during the cutting of thin sheet metal, effectively improving the cutting effect, and can effectively treat the cutting fumes.

The invention discloses an underwater garbage cleaning and recycling robot for a curved hull, comprising: a robot box; a cleaning mechanism; a garbage recycling mechanism; two walking mechanisms, which are respectively connected to the robot box through a curved surface adaptation mechanism, and each walking mechanism comprises a permanent magnetic wheel and a transmission box connected to the permanent magnetic wheel; the curved surface adaptation mechanism comprises a hydraulic cylinder and an elastic hinge; the elastic hinge is connected between the robot box and the transmission box; the two ends of the hydraulic cylinder are respectively connected to the robot box and the transmission box through a rotating pair to drive the transmission box to rotate; sonic wave sensors for detecting the curvature radius of the hull where the walking mechanism is located are arranged on both sides of the robot box; the control system controls the corresponding curved surface adaptation mechanism to adjust the inclination angle of the permanent magnetic wheel of the walking mechanism according to the curvature radius, so that the walking surface of the permanent magnetic wheel fits and adsorbs on the hull surface, and ensures that the permanent magnetic wheel can adsorb on the hull surface with different curvature radii.

The application discloses a quartz piece vacuum adsorption fixing device and relates to the technical field of quartz piece processing. The quartz piece vacuum adsorption fixing device comprises an adsorption table, the adsorption table comprises a pedestal, a funnel cavity formed in the interior of the pedestal, a table plate fixedly connected to the top end of the pedestal, a mosquito coil-shaped spiral channel formed in the interior of the table plate, a catheter fixedly connected to the side surface of the table plate and in communication with the outer end port of the spiral channel, rubber through strips inserted into the spiral channel and the catheter, and a plurality of air channels uniformly formed in the interior of the table plate along the spiral path of the spiral channel, and the middle part of each air channel is in communication with the spiral channel. By selectively blocking or opening some air channels through the movement of the rubber through strips, the size range of the quartz piece to be fixed can be matched with the unblocked air channels, the type changing time of the adsorption table is greatly shortened, the equipment investment cost is reduced, and the production efficiency is improved.

The invention discloses industrial sewage treatment equipment and a treatment method thereof, and belongs to the field of sewage treatment.The industrial sewage treatment equipment comprises a sewage treatment equipment body, and a liquid medicine preparation cylinder is fixedly installed outside the sewage treatment equipment body; after signal data of the pollution index measuring device is received through the assembly controller, the specific dosage of solid agent particles and liquid is controlled, the quality of a prepared solution is effectively improved, then the purification quality of sewage is improved, the index of the sewage is monitored in real time through the pollution index measuring device, and the sewage treatment efficiency is improved. The specific preparation proportion of the liquid medicine is adjusted according to the monitoring result, through cooperative use of the flexible storage bag and the lower sealing strip, the accuracy of the preparation amount of solid medicine particles is effectively improved, then the sewage treatment effect of the prepared liquid medicine is effectively improved, meanwhile, the medicine waste is effectively reduced through accurate dosage preparation, and the cost is reduced. And secondary pollution caused by excessive chemicals is effectively avoided.

The invention relates to an integrated recovery process of aromatic hydrocarbons in hydrogen peroxide oxidation tail gas, which specifically comprises the following steps: preheating the oxidation tail gas to 95-115 DEG C, introducing the oxidation tail gas into an adiabatic expansion machine for adiabatic expansion, reducing the pressure to 0.1-0.15 MPa, suddenly reducing the temperature to 3-7 DEG C, realizing energy recovery and power generation by using the Joule-Thomson effect, and condensing and separating out most aromatic hydrocarbons; and the condensed tail gas enters the activated carbon adsorption tower for deep adsorption, so that the aromatic hydrocarbon content in the finally discharged tail gas is less than or equal to 70mg / m. Through cooperation of process units, efficient recovery of aromatic hydrocarbons (the total recovery rate is greater than or equal to 95%), self-sufficiency of energy and even negative energy consumption operation (the unit tail gas treatment energy consumption is-5-0 kW.h / 1000 m) are realized, the stability and economical efficiency of an adsorption system are remarkably improved, and the technical problems of high energy consumption, low recovery rate and poor adsorption stability of a traditional cooling and adsorption process are solved.

The invention relates to the technical field of bearing suction cups, in particular to a composite bearing suction cup and a production method thereof.The method comprises the steps that a suction cup blank is cut and machined into an annular suction cup body with a preset-width outer ring; cutting and processing the cover plate blank into a circle with a preset size to obtain a first cover plate and a second cover plate; the distribution of magnet mounting holes in the outer ring of the annular suction cup body is preliminarily determined based on the weight of the to-be-adsorbed object; the surface flatness and roundness of the annular suction cup body are obtained through image detection equipment; on the basis that the surface flatness and / or roundness do not reach the standard, the distribution of the magnet mounting holes is adjusted; and punching the annular sucker body based on the distribution of the magnet mounting holes before or after adjustment, and respectively mounting a magnet, a first cover plate and a second cover plate to obtain the composite bearing sucker. The suction performance of the suction cup is improved.

The utility model discloses a kind of steel joint filling plate multi-station automatic welding positioning equipment, it is related to steel joint filling plate welding technical field, including portal frame, screw rod is rotationally arranged in portal frame inside, screw rod is screw-connected with screw block, adsorption mechanism is arranged in the bottom of screw block, adsorption mechanism includes U-shaped plate, second motor is fixedly arranged on U-shaped plate, the output of second motor is through U-shaped plate and fixedly provided with suction plate, vacuum pump is fixedly provided on the top of portal frame, hose is fixedly provided on the side end of vacuum pump, hose bottom end is fixed with suction plate, a plurality of suction holes are opened in the bottom of suction plate, hose is communicated with a plurality of suction holes, limiting assembly is arranged at suction plate four corners. Suction plate is adsorbed and fixed to steel joint filling plate, second motor is started to rotate suction plate by second motor, so that suction plate adsorbs steel joint filling plate to rotate certain angle, and then adjust steel joint filling plate to suitable welding angle, it is convenient to weld different positions of steel joint filling plate.