42results about How to "Easy adsorption" patented technology

The invention discloses a compound magnetic biological adsorbent, which is characterized in that dry mycelia of white rot fungi are used as a carrier, the mycelia are wound to a ball, Fe3O4 nano particles and calcium alginate are embedded into the ball, and the calcium alginate serving as immobilized medium is tightly connected together with the Fe3O4 nano particles. The preparation method for the adsorbent includes the steps: inoculating spore suspension of the white rot fungi into aseptic mixed liquid of the Fe3O4 particles and the calcium alginate under the aseptic condition, mixing uniformly, dropwise adding the mixed liquid of one volume into aseptic CaC12 solution of 4-10 volumes, standing at the room temperature to obtain reaction liquid including Fe3O4-calcium alginate-white-rot fungus microspheres, and performing immobilized culture so as to obtain the compound magnetic biological adsorbent after culture is completed. The compound magnetic biological adsorbent has the advantages of high adsorption capacity, high adsorption speed, high reuse rate, cleanliness, no pollution and the like.

The invention relates to a method for electrochemical preparation of hydrotalcite for in-situ treatment on a strontium-containing radioactive waste liquid in a power plant. The method comprises the following steps: preparing simulated radioactive wastewater with Sr<2+> as electrolyte, dropping an alkali solution and an acid solution, adjusting the pH value to be 5-11, and carrying out electrolysiswith double power supplies, wherein a direct-current voltage stabilizing power supply with an aluminum piece as an anode and graphite as a cathode is adopted as one group of the power supplies, and apulse power supply with two zinc pieces as an anode and a cathode respectively is adopted as the other group of the power supplies; alternating the anodes and the cathodes through inverse electrodes,carrying out electrolysis synthesis under a constant temperature condition, after the reaction is completed, leaving the electrolyte to stand, filtering, and carrying out solid-liquid separation, soas to complete simulation waste liquid purification treatment. By adopting the method, a great amount of chemicals or absorbents are not needed, only nitrate radicals and chloride ions of certain concentrations in the waste liquid need to be controlled, no secondary pollution can be caused, efficient removal of multiple divalent radioactive metallic ions can be achieved, and the method only aims at removal of strontium ions, is capable achieving efficient solid-liquid separation, is wide in material resource, simple in process and convenient to operate.

The invention discloses a press type vacuum nozzle which comprises an air pumping pipe, a connector, a sucker and a pen holder. The air pumping pipe is connected with the sucker through a connector, the air pump pipe is arranged in the pen holder, the connector extends out of the sucker end of the pen holder, a press rod is arranged at the press end of the pen holder, the press rod extends out of the press end, the press rod is connected with a spring, the air pumping pipe is positioned in the spring, and a column-shaped accommodating cavity is arranged between the spring and the pen holder. The press type vacuum nozzle can suck electronic elements by pressing the press rod at the top end of the pen holder. The air pumping pipe needn't be pressed always in a using process, so that the press type vacuum nozzle is convenient to use and simple in design.

The invention discloses a forced cyclone sand removal device structure. The forced cyclone sand removal device structure comprises an inverted cone cyclone body, wherein the inverted cone cyclone bodycomprises an upper cyclone barrel body; the lower end of the upper cyclone barrel body is connected with a lower cone angle cyclone barrel body; a mixed phase liquid inlet is formed in the upper right end of the upper cyclone barrel body; a liquid phase outlet is formed in the just upper end of the upper cyclone barrel body; a sand outlet is formed in the bottom end of the lower cone angle cyclone barrel body; a sand dredger is arranged at the sand outlet; a throttling sand removal atomizing nozzle is arranged at the upper end of the inner wall of the lower cone angle cyclone barrel body; theright side of the liquid phase outlet is connected with a liquid phase sand removal protector; and the left side of the sand dredger is connected with a rotating power device. According to the forcedcyclone sand removal device structure, the sand dredger is designed to effectively prevent sand from being blocked, the arranged liquid phase sand removal protector can effectively and thoroughly remove fine sand in a liquid phase, and the arranged throttling sand removal atomizing nozzle can save a large amount of water resources by utilizing the atomizing design while removing the sand in the inverted cone cyclone body.

The invention provides a soil curing agent containing sulfonating animal and vegetable oil and a preparation method of the soil curing agent; the preparation method comprises the following steps: 100 parts of the animal and vegetable oil is added in a sulfonating reactor, 150-200 parts of concentrated sulfuric acid is added at 50-70 DEG C while being stirred, the reaction is carried out for 5-8 hours; 2.5-15 parts of silicone oil antifoaming agents are added after sulfonation reaction is finished; 5-45 parts of emulsifying agents are added in the mixture; aqueous alkali with proper amount is added in the mixture until the pH value of the mixture is 1, the mixture after being stirred is the soil curing agent; in the invention, animal and vegetable oil which is simple and easy-obtaining is used as raw materials, the cost is low, the preparation process only needs simple sulfonation reaction, and then the silicone oil antifoaming agents and emulsifying agents are added for uniform mixing, the method is simple; in the invention, the mechanical property and water stability of the soil can be enhanced, so as to be applied to industry in a large scale and have strong practical applicability.

The invention relates to an underground coal mine universal type self-power-generating device, which belongs to the technical field of electronic information. The device comprises a transduction unit, a circuit rectification unit, a control unit, a detection unit, an energy storage unit, an electric energy output module and a signal output module. The transduction unit is sequentially connected with the circuit rectification unit, the energy storage unit and the electric energy output module; the detection unit is respectively connected with the circuit rectification unit, the energy storage unit and the electric energy output module and is responsible for detecting the output voltage of each unit and module in real time; the signal output module is connected with the control unit; the circuit rectification unit is used for rectifying the current waveform generated by the transduction unit; the energy storage unit uses a rechargeable battery and is used for supplying power to the sensor and storing redundant electric energy converted by the transduction unit; and the detection unit detects the voltage of the energy storage unit and feeds back a signal to the control unit for judging charging and discharging logic. The device can be installed nearby a sensor, each sensor can work, and meanwhile wire harnesses are reduced.

The invention discloses a multiwalled carbon nanotube / metal-organic framework composite material and a preparation method thereof. The composite material is prepared from a multiwalled carbon nanotube and MIL-53(Fe). The preparation method comprises the following steps of dispersing a modified multiwalled carbon nanotube, terephthalic acid and ferric trichloride hexahydrate into an organic solvent for carrying out solvothermal reaction, and thus obtaining the multiwalled carbon nanotube / metal-organic framework composite material. The composite material provided by the invention has the advantages of good heat stability, good water stability, high adsorption efficiency and the like, and is a compound adsorbent capable of being adopted widely and high-efficiently treating antibiotic wastewater; the preparation method has the advantages of simplicity in operation, less raw material types, low cost and the like, meets the practical production requirement, and can be used for preparing the multiwalled carbon nanotube / metal-organic framework composite material in a low cost and large scale way.

The invention discloses a compound magnetic biological adsorbent, which is characterized in that dry mycelia of white rot fungi are used as a carrier, the mycelia are wound to a ball, Fe3O4 nano particles and calcium alginate are embedded into the ball, and the calcium alginate serving as immobilized medium is tightly connected together with the Fe3O4 nano particles. The preparation method for the adsorbent includes the steps: inoculating spore suspension of the white rot fungi into aseptic mixed liquid of the Fe3O4 particles and the calcium alginate under the aseptic condition, mixing uniformly, dropwise adding the mixed liquid of one volume into aseptic CaC12 solution of 4-10 volumes, standing at the room temperature to obtain reaction liquid including Fe3O4-calcium alginate-white-rot fungus microspheres, and performing immobilized culture so as to obtain the compound magnetic biological adsorbent after culture is completed. The compound magnetic biological adsorbent has the advantages of high adsorption capacity, high adsorption speed, high reuse rate, cleanliness, no pollution and the like.

The invention provides a compound water treatment agent which is prepared from the following components in parts by weight: 0.1-5 parts of hydroxyapatite, 40-65 parts of natural zeolite, 1-10 parts of quartz, 1-10 parts of albite, 1-10 parts of illite, 10-40 parts of attapulgite and 0.1-5 parts of sepiolite. The invention further provides a preparation method and an application of the compound water treatment agent. The compound water treatment agent provided by the invention has the advantages of low cost, large specific surface area, high activity, high dispersity and high treatment efficiency.

The invention discloses a method for adsorbing lead in wastewater by using a composite magnetic biological adsorbent. The method comprises the following steps of: adding 15-60 g / L of the composite magnetic biological adsorbent by wet weight into lead-contained industrial waste water with a pH value ranging from 2 to 6.5 and a concentration being 10-500 mg / L; oscillating and adsorbing the mixture at a temperature of 30-35 DEG C for more than 8 hours; then separating the adsorbent from the wastewater; and adjusting the wastewater to be neutral to discharge. The composite magnetic biological adsorbent uses white-rot fungus living mycelium as a carrier; the mycelium is wound into a pellet; Fe3O4 nanometer particles and calcium alginate are embedded inside the pellet; and the calcium alginate serving as an immobilization medium is used for tightly connecting the mycelium with the Fe3O4 nanometer particles. The method provided by the invention has the advantages of large adsorption amount, high adsorption efficiency, simpleness and convenience for operation, low cost, high recycle rate, cleanliness, no pollution and the like.

The invention provides a high-altitude operation device. The high-altitude operation device comprises a pedal assembly, a connecting assembly and a sucker assembly, the connecting assembly comprises a connecting frame, the sucker assembly is connected to one side of the connecting frame, and the pedal assembly is hinged to the other side of the connecting frame; the connecting assembly further comprises a sliding piece arranged on the side, close to the pedal assembly, of the connecting frame. The sliding piece is slidably connected with the connecting frame; a driving part matched with the sliding piece is arranged on the side, close to the connecting frame, of the pedal assembly, and the driving part rotates to drive the sliding piece to slide in the length direction of the connecting frame; the sucker assembly comprises a sucker body and a pull rod connected with the sucker body. The sliding piece is provided with a protruding part, the pull rod is provided with a rolling piece used for making contact with the protruding part, the protruding part extrudes the rolling piece to pull up the pull rod, and the sucker body completes adsorption. According to the invention, the position of a worker working high above the ground can be fixed, and the worker is supported to a certain extent through the pedal assembly, so that the comfort of the worker working high above the ground is improved.

The invention discloses a laccase biosensor based on magnetic carbon nano tube and chitosan / silicon dioxide gel, comprising a magnetic carbon paste electrode, the electrode surface of the magnetic carbon past electrode is modified with a magnetic carbon nano tube layer, the surface of the magnetic carbon nano tube layer is absorbed with laccase, the laccase is wrapped by a chitosan-carbon dioxidecomposite film; the preparation method of the laccase biosensor includes the steps of material preparation, magnetic carbon nano tube modification, laccase absorption and laccase wrapping. The methodfor detecting pyrocatechol by applying the laccase biosensor includes the following steps: the laccase biosensor is taken as a working electrode, a three electrode system is established, the three electrode system is connected with an electrochemical work station, and reduction current amount is detected to quantitatively indicate the concentration of pyrocatechol in solution to be detected. The sensor of the invention has the advantages of low cost, simple manufacturing, long service life, high laccase activity, high detection accuracy and strong anti-interference.

The invention discloses a method for treating landfill leachate with a composite photocatalysis bio-adsorbent. The method comprises the following steps: adding the omposite photocatalysis bio-adsorbent into the landfill leachate at a dosage of 20g / L-80g / L by wet weight, performing light vibration and adsorption degradation, separating solid and liquid after reaction is completed, and adjusting pH of the filtrate to neutral to accomplish the treatment of the landfill leachate. The method for treating the landfill leachate with the composite photocatalysis bio-adsorbent has the advantages of simple treatment process and adsorption equipment, convenient operation, very low cost, high adsorption volume, high adsorption efficiency, no pollution, very good treatment effect of the landfill leachate. By virtue of the method, the operation cost of the treatment of the landfill leachate can be effectively reduced, and the landfill leachate can be effectively treated. The method can be widely adopted.

The invention provides a soil curing agent containing sulfonated animal and vegetable oils, and also provides a preparation method of the soil curing agent, the steps comprising: adding 100 parts of animal and vegetable oils into a sulfonation reactor, Add 150-200 parts of concentrated sulfuric acid dropwise while stirring at 70°C, and react for 5-8 hours; add 2.5-15 parts of silicone oil defoamer after the sulfonation reaction is completed; then add 5-45 parts of Emulsifier; adding an appropriate amount of alkaline aqueous solution to the above mixture until the pH value of the mixture reaches 1, and the mixture obtained after stirring is the soil curing agent. The raw material of the invention adopts simple and easy-to-obtain animal and vegetable oils, and the cost is low. The preparation process only needs to carry out a simple sulfonation reaction, and then mix evenly with silicone oil defoamer and emulsifier, and the method is simple. The effect achieved by the invention can enhance the mechanical properties and water stability of the soil, so it can be widely used in industry and has strong practicability.

The invention discloses a method for adsorbing antibiotics in water through a multi-walled carbon nanotube / metal organic framework composite material. The method comprises mixing a multi-walled carbonnanotube / metal organic framework composite material and antibiotic waste water and carrying out oscillating adsorption for treatment on the antibiotic waste water, wherein the multi-walled carbon nanotube / metal organic framework composite material contains multi-walled carbon nanotubes and MIL-53(Fe). The method can efficiently adsorb antibiotics in waste water, utilizes simple treatment processes and simple adsorption equipment, is easy to operate, realizes a low cost, a large adsorption capacity, a fast adsorption rate and a high repeating utilization factor, is clean, prevents pollution, can be widely used, can efficiently remove the antibiotics in water and has high application values and commercial values.

The invention provides a cooling sewage recycling system. The cooling sewage recycling system comprises a sewage pipeline 11, a sewage pool 1, a water pumping pipeline 5, a cooling pool 7, a water inlet pipe 9, a cooling water spray head 12 and mechanical equipment 10. Cooling sewage of the equipment enters the sewage pool 1 through the sewage pipe 11, is treated by the grids of the sewage differently, enters the cooling pool 7 through the water pumping pipe 5, and then circulates into the water inlet pipe 9 to cool the equipment again, so that cyclic utilization of water resources is realized. The system has the advantages that (1) the cooling sewage is recycled, so that the utilization rate of water resources can be improved; and (2) a simple treatment layer with wide sources is adopted,and the structure of the sewage pool is innovated, so that floating oil and dust particles in the cooling sewage can be quickly and simply adsorbed.

The invention discloses numerical-control machine tool cooling liquid. The numerical-control machine tool cooling liquid comprises, by weight, 20-55 parts of rapeseed oil, 5-10 parts of sodium hydroxide, 4-10 parts of tetramethyl orthosilicate, 30-50 parts of rice milk, 2-5 parts of organic silicon defoamer and 3-8 parts of octanoic dicyclohexylamine. The rice milk is environment friendly, weakly alkaline and high in dirt removing ability, has better lipophilicity and hydrophilcity as starch denaturizes after heated and pressured and thereby is higher in cleaning ability and can easily adsorb oil; sodium hydroxide, tetramethyl orthosilicate and rice milk are reasonably prepared and can play a role in cooling and cleaning, so that the rapeseed oil is better in lubricating effect; the added organic silicon defoamer and octanoic dicyclohexylamine play a role in defoaming and derusting. The preparation method of the cooling liquid adopts high-temperature pressuring reaction to make various components mixed together, so that the cooling liquid is moderate in lubricating effect, soft, free of side effect, quick in cooling and good in derusting effect, and quality stability of workpieces is guaranteed.

The invention provides a cylinder suction cup machine which comprises a cylinder support (4-2), a circular steel cylinder (4-3), a vertical lifting air cylinder (4-4), a suction cup support (4-5), an air cylinder guide sliding disc (4-6) and an air cylinder fixing disc (4-7). A gantry frame type cantilever suction cup machine comprises the cylinder suction cup machine, and further comprises a beam column (2-1), a longitudinal beam (2-2), a cross beam (2-4), a cross guide rail (2-5) and a longitudinal guide rail (2-6). The cylinder suction cup machine is driven to walk longitudinally, a small rail trolley is driven to slide in the longitudinal guide rail, the longitudinal guide rail slides transversely in the cross guide rail under hanging of the small rail trolley so that the cylinder suction cup machine can be driven to slide freely in the longitudinal direction and the transverse directly, and free moving f the area of the longitudinal beam and the cross beam can be achieved.