18results about How to "Improve coagulation efficiency" patented technology

The invention provides a tap water treatment coagulating basin dosing stirring monitoring device which comprises a stirring motor and a stirring shaft, a mounting platform is erected on a coagulating basin, the stirring motor is mounted on the mounting platform, the stirring motor and the stirring shaft are in transmission connection through a coupler, and the tap water treatment coagulating basin dosing stirring monitoring device further comprises a dosing device and a sensor assembly. The chemical adding device comprises a chemical box, a chemical adding pump, a chemical conveying pipe and a rotary chemical conveying device, a plurality of chemical adding openings are formed along the stirring shaft, the chemical adding pump conveys chemicals in the chemical box to each chemical adding opening through the rotary chemical conveying device and the chemical conveying pipe, and the chemicals are put into the coagulating basin through the chemical adding openings. The dosing, stirring and monitoring device for the tap water treatment coagulating basin provided by the invention adopts an integrated design, integrates stirring and dosing to realize a compact structure and function fusion, can obtain key parameters of a water body in the coagulating basin in real time through the sensor assembly, realizes accurate and automatic adjustment of the stirring speed and the dosing amount based on monitoring data, and improves the working efficiency. The stability and the reliability of the coagulation effect are ensured.

The utility model belongs to the technical field of sewage treatment, and particularly relates to a purification device for industrial wastewater discharge, which comprises a purification tank, a stirring component is mounted in the purification tank, and the stirring component comprises an upper screen plate and a lower screen plate. Upper circulating holes and lower circulating holes which are distributed at equal intervals are formed in the opposite sides of the upper screen plate and the lower screen plate in a crossed manner respectively; the first driver drives the lead screw to rotate, so that the upper screen plate and the lower screen plate move up and down, comprehensive mixing is performed on a water area in a purification tank, the coagulation efficiency of a flocculating agent is improved, the device is suitable for being used in a large-area purification tank, after coagulation is finished, the hydraulic rod shrinks, the upper screen plate and the lower screen plate form a plate-shaped whole and sink to the bottom of the tank, and the device is convenient to use. And after purified wastewater is discharged, the upper net plate is controlled by the driver to drive flocculates to move upwards to the notch, so that cleaning is facilitated.

The invention relates to the technical field of medical equipment, and discloses a nanofiber hemostatic bandage and application thereof.The nanofiber hemostatic bandage comprises the following structural layers from outside to inside in sequence: a protection sheet used for covering the surface of the hemostatic bandage before use and protecting the hemostatic bandage from pollution; the nanofiber material layer is used as a substrate layer of the hemostatic bandage; the biochemical hemostasis area is arranged in the middle of the surface of the nanofiber material layer and used for releasing blood coagulation factors after encountering blood and accelerating blood coagulation; the adhesive layer is positioned on the periphery of the nanofiber material layer. By means of the multi-layer structural design, the comprehensive effect of physical hemostasis, chemical hemostasis and expansion hemostasis is achieved, 20 nm nano zinc oxide is embedded into the nanofiber material layer, and the antibacterial property and the ventilation and waterproof performance are achieved; the biochemical hemostasis area is controllably released through microencapsulated blood coagulation factors; the blood stopping response layer utilizes the synergistic effect of an expansive polymer material and microcapsules to form barrier protection and efficient hemostasis effects, and is particularly suitable for emergency scenes such as arterial bleeding and the like.

The invention relates to a method for efficiently treating diacetylmonoxime production wastewater, and belongs to the technical field of diacetylmonoxime production wastewater treatment. The method comprises the following steps: reacting diacetylmonoxime wastewater, an iron-carbon material, an H2O2 solution and a coagulant, precipitating and filtering; taking the filtered clear liquid, and carrying out air stripping by using nitrogen; adding activated sludge, mechanically stirring to keep the sludge in a uniform fluidized state in the clear liquid, and carrying out anaerobic treatment and aerobic treatment; the coagulant is prepared by the following steps: carrying out click chemical reaction on ferrocenyl hexanethiol, benzofuryl-containing acrylamide, toluene and a photoinitiator under the irradiation of ultraviolet light with the absorption wavelength of 365 nm, and distilling to remove toluene after the reaction is ended. The acrylamide containing the benzofuran group is prepared from 2, 3-dihydro-1-benzofuran-5-yl isocyanate, hydroxymethyl acrylamide, organic tin and DMF (Dimethyl Formamide), and the acrylamide containing the benzofuran group is prepared from the 2, 3-dihydro-1-benzofuran-5-yl isocyanate, the hydroxymethyl acrylamide, the organic tin and the DMF; the coagulant prepared by the invention can effectively remove various impurities such as COD (Chemical Oxygen Demand), ammonia nitrogen, TP (Total Phosphorus) and the like in diacetylmonoxime wastewater.

The invention provides a zirconium and calcium coupled aluminum-based composite coagulant as well as a preparation method and application thereof, and belongs to the technical field of environment and chemistry. The preparation method of the zirconium and calcium coupled aluminum-based composite coagulant comprises the following steps: dissolving an aluminum salt in water to obtain an aluminum salt aqueous solution; adding zirconium salt into the aluminum salt aqueous solution according to the molar ratio of aluminum ions to zirconium ions of (5-30): 1, and carrying out first hydrolysis reaction to obtain a polymeric mixture; and according to the molar ratio of the sum of the mole of the aluminum ions and the zirconium ions to the mole of the calcium ions being (1-30): 1, calcium salt is added into the polymeric mixture for a second hydrolysis reaction, and the aluminum-based composite coagulant coupled with the zirconium and the calcium is obtained.

The invention relates to a method for treating textile printing and dyeing wastewater by using a rare earth modified Ti-based xerogel coagulant, which comprises the following steps: (1) preparation of the rare earth modified Ti-based xerogel coagulant: adding rare earth metal salt into a mixed solution of ethanol and acetylacetone, and dropwise adding titanium tetrachloride after the rare earth metal salt is completely dissolved; and dropwise adding a mixed solution of ethanol and distilled water, uniformly stirring, and drying to obtain the product. And (2) adding the rare earth modified Ti-based xerogel coagulant into the textile printing and dyeing wastewater, stirring, and standing. The treatment method provided by the invention has the advantages of simple operation, slow effluent pH change, high coagulation efficiency and the like, and shows good coagulation performance on high-turbidity and high-organic-matter textile printing and dyeing wastewater. Experiments show that the combination of the titanium salt and the rare earth metal salt gives full play to the advantages of the two metal coagulants, so that the coagulation process is applicable to wider water quality conditions, and the synthesized composite coagulant has good stability and coagulation effect.

The invention relates to the technical field of 3D printing, and discloses multi-point additive manufacturing equipment which comprises a bearing assembly, a material changing assembly is rotationally connected into the bearing assembly, and a positioning assembly is installed on the material changing assembly. The material changing assembly is driven by the positioning assembly to rotate, the printing model located at the topmost part rotates to the bottom, a first rail inserting column is inserted into a first irregular annular rail, a second rail inserting column is inserted into a second irregular annular rail, and therefore in the whole rotating process of the material changing assembly, the printing model can be conveniently replaced. The square bearing plate can be always kept in a horizontal state, inclination of the model is avoided, the model located at the bottommost part can be cooled through the cooling fan, so that the model is rapidly solidified, discharging of the model is facilitated, the model on the material supporting plate located at the bottom can be cooled, meanwhile, the model can be continuously printed on the material supporting plate located at the top, and the printing efficiency is improved. Therefore, the printing efficiency is greatly improved.

The application discloses a kind of hydraulic stirring PAC material dissolver, including base, the base is installed with material dissolver jar, the material dissolver jar includes jar body, the upper portion of the jar body is equipped with water pipe, the lower portion of the jar body is equipped with blowdown pipe;The upper portion of the jar body is equipped with medicine storage box, the medicine storage box includes box body, the jar body is equipped with a plurality of evenly arranged feeding pipe between box body;Material dissolver jar side is equipped with water pump, the water inlet pipe of water pump is connected with the upper portion of material dissolver jar, the water outlet pipe of water pump is connected with the bottom of material dissolver jar, the water outlet pipe side is equipped with third water outlet branch pipe, the water inlet pipe, water outlet pipe, water pipe, blowdown pipe and third water outlet branch pipe are all equipped with valve.This application makes sewage and PAC in jar body circulate and flow by water pump, forms hydraulic stirring effect, reduces floor area, reduces manufacturing cost and maintenance cost at the same time, significantly improves the dissolution efficiency and mixing uniformity of PAC, ensures the sufficient dissolution and uniform distribution of PAC in water.

The utility model relates to a square pile mold, and relates to the technical field of building molds. The material injection device comprises a bottom plate, a material injection frame, a movable plate and a driving assembly, the material injection frame is located on the bottom plate, and supporting columns used for supporting the material injection frame are arranged on the bottom plate; two groups of moving plates are oppositely arranged, and the two moving plates are connected to the material injection frame in a sliding manner; the driving assembly is used for adjusting the distance between the two moving plates. The square pile mold has the effect of improving the applicability of the square pile mold.

The utility model relates to the technical field of protective film compositing, and particularly discloses a protective film compositing device for electron beam curing, which comprises a processing box, an inlet and an outlet are arranged at two ends of the outer wall of the processing box, a curing equipment main body is embedded in the center of the top end of the processing box, and a mounting shell is fixed on one side of the top end of the processing box. A tensioning mechanism is arranged in the mounting shell and comprises a motor, the motor is embedded in one side of the outer wall of the mounting shell, the power output end of the motor is connected with a worm, and pollution caused by external dust adsorption in the compounding process is avoided through the treatment box; the curing equipment main body performs electron beam curing on the protective film in the conveying process to improve the glue solution curing efficiency, so that the compounding efficiency is improved, a motor works to drive a worm and a worm gear, and two threaded rods drive corresponding winding sleeves to slide, so that tension adjustment is performed on the protective film, wrinkles caused by loosening or tensioning are avoided, and the service life of the protective film is prolonged. The compounding quality is influenced.

The utility model discloses a polarization maintaining fiber array debugging device, which belongs to the technical field of optical communication and comprises a bottom plate, the top end of the bottom plate is connected with an adjusting plate in a sliding manner, the top end of the bottom plate is fixedly connected with a base, and the top end of the bottom plate is fixedly provided with an adjusting loss prevention assembly. The adjusting and damage-preventing assembly comprises a measuring scale, a lead screw, a moving block, a pointer and a connecting cylinder, the measuring scale is arranged at the top end of the bottom plate, and the lead screw driving the adjusting plate to move is rotationally connected into the bottom plate. The adjusting plate is suitable for adjusting polarization-maintaining optical fibers with different lengths, the working efficiency of adjusting the polarization-maintaining optical fibers is improved, meanwhile, through mutual cooperation of the buffer springs, the fixing cylinders and the balls, abrasion to the surfaces of the polarization-maintaining optical fibers can be reduced when the polarization-maintaining optical fibers penetrate through the adjusting plate, and the quality of the polarization-maintaining optical fibers is guaranteed.

The utility model discloses a civil construction concrete building template, which belongs to the technical field of outlet pipe labeling equipment and comprises a mounting rack, two baffles symmetrically distributed front and back are mounted at the top of the mounting rack in a sliding manner, and one side of each baffle is connected with an electric telescopic rod mounted above the mounting rack. A sliding assembly slidably mounted at the top of the mounting frame is arranged between the two baffles. Through the arrangement of the sliding assembly, the motor drives the two-way lead screw to rotate, so that the side plate turnover mechanisms are driven to be close to or far away from each other and are matched with the baffles, and pouring of concrete buildings of different sizes is achieved; through the arrangement of the side plate turnover mechanism, the hydraulic telescopic rod can drive the side plate to turn over, so that the pouring of concrete buildings with different shapes is realized; and through arrangement of an electric heating piece, heating can be conducted, and the solidification efficiency is improved.

The invention provides a procoagulant compound. The procoagulant compound is a compound obtained by modifying isocyanate with a functional reagent, the functional reagent is a hydroxyl compound or an amino compound containing calcium ions. Calcium ions are introduced into the molecular structure of the compound containing the isocyanate group, so that the procoagulant activity is given to the compound.

The utility model relates to the technical field of decorative plate production and processing, in particular to a wear-resistant decorative plate laminating device for architectural decoration design, which comprises a device table body, a placing groove is arranged at the top of the device table body, a transmission shaft is rotatably connected in the placing groove, and a cooling component is arranged at the top of the device table body; and the cooling assembly comprises a control box body, the control box body is fixedly installed at the top of the device table body, a ventilation groove is formed in the back face of the control box body, a strip-shaped grid is fixedly connected to the interior of the ventilation groove, a ventilation groove is formed in the bottom of the control box body, and a first rotating motor plate is fixedly installed in a ventilation hole. According to the wear-resistant decorative plate film covering device for building decoration design, the solidification efficiency of a protective film is effectively improved, the protective film is prevented from making contact with dust in air for a long time in a liquid state, damage of the dust to the function of the protective film is reduced, and the film covering efficiency and safety are effectively improved.

The utility model relates to the technical field of medical instruments, and provides a hot-pressing device for an ultrasonic knife clamping arm assembly, which comprises a rack, a hot-pressing assembly, a supporting assembly and a control assembly, and is characterized in that the rack comprises a base and a cross beam arranged above the base; the hot-pressing assembly comprises a first power piece and a hot-pressing device, and the first power piece drives the hot-pressing device to move up and down in the first direction; the supporting assembly comprises a second power piece and a supporting piece, a plurality of grooves are formed in the supporting piece and used for containing one or more clamping arm assemblies, and the second power piece drives the supporting piece to drive the clamping arm assemblies to move towards the hot press in the second direction; the control assembly comprises a PLC, and the PLC is used for controlling the first power piece and the second power piece to operate in a matched mode, so that the hot press conducts hot pressing on the gasket. The technical problem that in the prior art, an ultrasonic scalpel gasket is difficult to install is solved, the effect of improving the pressure of a scalpel head when an ultrasonic scalpel works is achieved, and then the cutting and blood coagulation efficiency is improved.

The utility model belongs to the technical field of plastic processing, and particularly relates to a plastic hot melting pressing device which comprises a pressing machine body, a second mounting plate is arranged in the pressing machine body, a lower mold is arranged on the end face of the second mounting plate, movable mounting shells are arranged on the two sides of the lower mold in a sliding mode, and clamping blocks are arranged in the movable mounting shells in a sliding mode. By arranging the movable mounting shell, the clamping block and other structures, a plastic product can be fixed, the plastic product is separated from the upper die, and therefore the stripping efficiency of the die is improved, and by arranging the refrigeration piece, the air hole and other structures, the stripping efficiency of the die is improved. According to the device, the lower mold can be preheated, plastic can be cooled, the heating efficiency of the lower mold can be improved, meanwhile, the solidification efficiency of the plastic mold can be improved, workers are prevented from being scalded, and the overall safety of the device is improved.

The application discloses a drying device for cement telegraph pole processing and belongs to the technical field of telegraph poles. The drying device comprises a drying box, a plurality of supporting frames for supporting telegraph poles are fixedly connected in the drying box, a driving shaft is rotatably connected in the supporting frame, one end of one driving shaft is fixedly connected with a driving motor, the driving motor is fixedly connected to the side wall of the supporting frame, a plurality of half-face gears are fixedly connected to the outside of the driving shaft in a linear equidistant structure, a gear ring frame is meshingly and transmissionally arranged between one side of the plurality of half-face gears, a gas injection ring frame is fixedly connected to the inner wall of the gear ring frame, a limiting sliding plate is slidably connected to the middle part of the gear ring frame, and the limiting sliding plate is fixedly connected to the inside of the supporting frame. The driving motor is used for driving the rotation of the driving shaft on which the half-face gears are installed, so that the rotating half-face gears are meshingly and transmissionally arranged with the gear ring frame, the gear ring frame drives the gas injection ring frame to perform multidirectional gas injection drying treatment on the telegraph poles placed on the surface of the supporting frame, and the gas injection drying effect of the device is improved.

The utility model provides a bearing type building tower crane structure which comprises a mounting base and supporting plates, the upper surface of the mounting base is fixedly connected with a tower crane body, the side faces of the mounting base are symmetrically connected with the supporting plates, the two ends of a reinforcing plate are movably connected with movable seats through bearings, and one end of the reinforcing plate is connected with the tower crane body through the movable seats. The other end of the reinforcing plate is connected with a supporting plate through a movable seat, meanwhile, reinforcing structures are fixedly connected into the mounting base and the supporting plate, a storage groove is formed in the lower surface of the supporting plate, an extension plate is slidably connected into the storage groove through a main sliding plate, a limiting block is fixedly connected to an opening of the storage groove, and an adjusting lead screw is movably connected into the limiting block through a bearing. The end, away from the limiting block, of the adjusting lead screw is screwed with a screwing hole formed in the main sliding plate. According to the building tower crane, through the cooperation of the mounting base, the supporting plate, the extension plate and the reinforcing plate, the supporting effect of the side face of the tower crane body can be effectively enhanced, and therefore the stability of the building tower crane in the using process can be enhanced.