11results about How to "Facilitated ionization" patented technology

In the device, a plurality of low-temperature plasma reactors are fixed in an absorption liquid storage tank in an array manner, a quartz tube is immersed in liquid in the absorption liquid storage tank, and a plurality of through micropores are uniformly distributed in the bottom of the quartz tube; the lower end of the connecting fastener is fixed with the orifice of the quartz tube, and the side edge of the connecting fastener is provided with an air tube; the metal electrode is fixed through the upper end of the connecting firmware and extends into the quartz tube to serve as a high-voltage electrode; the discharge power supply is connected with the metal electrode and the ground electrode, so that the low-temperature plasma reactor generates bubble plasma in liquid; the electrolytic cell is communicated with an absorption liquid storage tank through a switch pipeline, the working electrode is provided with foamy copper as an electro-catalysis material, and the working electrode, the platinum wire counter electrode and the silver / silver chloride reference electrode form a three-electrode electrochemical structure to electrocatalytically synthesize ammonium nitrate in the electrolytic cell.

The invention discloses a plasma jet device based on ionic wind driving, which comprises a hollow cylinder, a high-voltage metal needle electrode plate is mounted in the cylinder, a plurality of high-voltage metal needle electrodes are fixed on the high-voltage metal needle electrode plate in an annular array manner and are connected with a high-voltage excitation power supply circuit, and the inner wall of the cylinder is covered with a metal wall ground electrode. The insulating medium rings cling to the metal wall ground electrode and are arranged at intervals from the high-voltage metal needle electrode plate; the needle body of the high-voltage metal needle electrode, the insulating medium ring and the metal wall ground electrode form a plasma jet structure, the needle head of the high-voltage metal needle electrode and the metal wall ground electrode form an ionic wind generation structure, ionic wind generation areas and plasma generation areas are arranged in a staggered manner, and generation of plasma jet is driven by multistage ionic wind. The ion wind structure and the plasma jet structure are coupled, large gas carrier equipment is not needed, the application scene of the device is expanded, and meanwhile the plasma jet performance is improved.

The invention relates to the technical field of hydraulic engineering, in particular to an ecological slope protection device based on hydraulic engineering, which comprises a supporting slope body, reinforcing plates are arranged on two opposite sides of the supporting slope body, a flow collecting chamber is arranged below the reinforcing plate on one side, the flow collecting chamber is arranged in the supporting slope body, and a flow guide hole is formed in the side edge of the supporting slope body. The flow guide holes are communicated with the interior of the flow collecting chamber, isolation plates are arranged on the outer sides of the flow guide holes, a plurality of water turbines are installed in the flow guide holes, an engine is arranged below the water turbines, the engine is connected with a power source through a conductive cable, and one side of the power source is connected with a series cable. The upper end of the series cable is connected with a conductive head at the same time, the conductive head is connected with limiting cylinders in an inserted mode, and a limiting rod and a limiting plate are arranged between the two limiting cylinders. According to the invention, the current generated by the device is recycled by the power supply, so that the recyclability and the efficient energy-saving effect of the whole device are improved.

The application discloses a low-temperature ion nitriding method and application. The low-temperature ion nitriding method comprises the following steps: under a selected temperature condition, ion etching treatment is performed on the surface of a workpiece by adopting an arc-enhanced glow discharge process, and then plasma nitriding treatment is performed on the workpiece by adopting an arc-enhanced plasma process to obtain a nitriding workpiece; wherein, a positive and negative alternating voltage is applied to the workpiece in the arc-enhanced plasma process. The low-temperature ion nitriding method provided by the application can realize nitriding at a lower temperature, effectively improves the deformation degree of the workpiece, and is widely applicable to surface strengthening of cutters, molds and metal parts.

The invention belongs to the technical field of manganese slag treatment, and provides a method for preparing heavy manganese carbonate from manganese slag washing water based on a microreactor. The method comprises the following steps: mixing manganese slag washing water and an additive, and carrying out solid-liquid separation to obtain filter residues and filtrate; and mixing the filtrate and the alkali liquor to obtain a manganese ion solution, and respectively introducing the manganese ion solution and carbon dioxide mixed gas into the microreactor for reaction to obtain the heavy manganese carbonate. The manganese slag washing water and the carbon dioxide react in the microreactor, and the pH value of the manganese ion solution, the flow of the manganese ion solution and the carbon dioxide, the reaction temperature, the reaction pressure and the reaction time are controlled, so that the yield of manganese in the obtained heavy manganese carbonate is high, the purity is high, and the manganese content in the effluent filtrate is low; the obtained heavy manganese carbonate can be directly used as a raw material for electrolytic manganese metal, and the purposes of effective treatment of manganese residue washing water and comprehensive recycling of resources under mild conditions are achieved.

The invention provides a method and a device for preparing a coating on the inner wall of a pipe barrel based on bipolar magnetron sputtering, and the uniform and continuous coating on the inner wall of the pipe barrel is prepared on the inner wall of the deep pipe barrel by improving a magnetic field structure on the basis of existing magnetron sputtering equipment. Specifically, the device comprises a tube barrel and a tubular target arranged in the tube barrel, and the tube barrel and the tubular target are insulated. In the preparation process of the coating on the inner wall of the pipe barrel, the pipe barrel and the tubular target can be mutually positive and negative electrodes and can also be respectively connected with a direct-current power supply, a pulse power supply or a radio-frequency power supply according to the requirements of a coating process, and the tubular target must have the time when the potential is negative relative to the pipe barrel. At least two closed magnetic fields with magnetic induction lines distributed in an arch shape and penetrating through the target surface are constructed on the surface of the tubular target through a permanent magnet or an electromagnetic coil or a combination of the permanent magnet and the electromagnetic coil, at least one divergent magnetic field mainly perpendicular to the target surface component exists between two annular runways, and magnetic lines of the divergent magnetic field on the surface of the tubular target are dense. And the inner wall of the pipe barrel far away from the target surface is loosened. And part of high-energy electrons are guided to move towards the inner wall of the pipe barrel through magnetic induction lines, so that the density of ions reaching the inner wall of the pipe barrel is improved, and high-speed and high-quality preparation of the inner wall coating of the pipe barrel is realized.

In this embodiment of the environmental ionization experiment, the abundance of background chemicals relative to the target ions is reduced by pulsed application of the carrier gas used to generate the excited substance directed toward the sample. The excited substance is progressively directed toward the sample, thereby reducing the overall abundance of background chemicals introduced into the ionization region. In this embodiment of the environmental ionization experiment, the combination of sample stepping before the excited substance and pulsed application of the carrier gas used to generate the excited substance improves the detection sensitivity.

The present invention provides a treatment agent for oilfield produced fluid and its application in oilfield development. The treatment agent for oilfield produced fluid includes a decalcifying agent, which includes 5 to 10 parts of soluble magnesium salt, 10 to 20 parts of soluble metaaluminate, 5 to 10 parts of soluble carbonate and 10 to 15 parts of chelating agent by weight. The soluble metaaluminate can inhibit the hydrolysis of bicarbonate ions and promote the ionization of bicarbonate ions. The soluble carbonate can combine with calcium ions in the produced fluid to generate calcium carbonate precipitation, which is adsorbed and removed by aluminum hydroxide colloid produced by the hydrolysis of metaaluminate, and the chelating agent can also capture calcium ions, and the synergistic effect of the two improves the stability of water quality. The soluble magnesium salt can adjust the ionic strength of the decalcifying agent system. The chelating agent can further improve the adsorption of calcium carbonate by the decalcifying agent, remove calcium carbonate scaling, and improve the stability of water quality. The treatment agent for oilfield produced fluid can also reduce the cost of sewage treatment.

The invention discloses a dapoxetine hydrochloride tablet pharmaceutical composition and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. The composition comprises dapoxetine hydrochloride, sodium bicarbonate, a filler, a disintegrating agent and a lubricant. Aiming at the problems of low dissolution rate, poor stability, complex preparation process and the like of dapoxetine hydrochloride tablets in the prior art, sodium bicarbonate is introduced as a key auxiliary material, a raw material pretreatment process is optimized, a traditional adhesive is omitted, and the dissolution rate and the preparation stability are remarkably improved. The preparation method comprises the following steps: pre-drying the filling agent (microcrystalline cellulose) until the water content is less than or equal to 2.0%, sieving sodium bicarbonate with a sieve of more than 100 meshes, mixing the sodium bicarbonate with dapoxetine hydrochloride and the lubricant, directly tabletting, and then coating. The preparation method is simple in process, low in cost and suitable for industrial production, and the obtained tablet is high in dissolution rate and excellent in stability under the conditions of high temperature, high humidity and illumination.

The utility model relates to a plasma gas-liquid reactor which comprises an inner tubular column, an outer sleeve, a high-voltage electrode, a grounding electrode, an aeration stone, an upper end cover and a sealing end cover, a first cavity is defined by the upper end cover, the inner tubular column, the outer sleeve and the grounding electrode, a liquid inlet pipe and an exhaust pipe are arranged on the side wall of the upper end of the first cavity, and a liquid discharge pipe is arranged on the side wall of the lower end of the first cavity. The lower end of the inner tubular column is located in the first cavity, the aeration stone is in sealed connection with the lower end of the inner tubular column, a second cavity is defined by the sealing end cover, the inner tubular column and the aeration stone or the sealing end cover, the inner tubular column, the aeration stone and the upper end cover, and the lower end of the high-voltage electrode is inserted into the second cavity; an air inlet pipe is arranged on the side wall of the upper end part of the second chamber; under the action of the aeration stone, the plasma gas forms bubbles in the liquid in the first chamber, so that the contact area of the plasma and the liquid is enlarged, the reaction efficiency of the liquid-phase plasma is improved, and the reaction efficiency between part of the gas and the liquid is improved.

The invention discloses a high-voltage-resistant lithium battery electrolyte and a preparation method thereof, and relates to the technical field of lithium battery electrolytes.The preparation method of the lithium battery electrolyte comprises the steps that S1, a basic solvent and a special functional solvent are mixed; s2, dispersing an additive and a lithium salt in a mixed solution of a basic solvent and a special functional solvent to obtain an electrolyte crude product; s3, purifying an electrolyte crude product; s4, performing electrolyte aging treatment; and S5, carrying out performance detection on the electrolyte subjected to aging treatment. The basic solvent and the special functional solvent are fully and uniformly mixed, and through the synergistic effect of air purification, temperature and humidity regulation and control, powerful impurity removal and a parameter monitoring system of an ultra-clean laboratory, the problems that an existing lithium battery electrolyte is poor in stability, low in ion transmission efficiency and large in impurity influence in a high-voltage environment, and the service life of the lithium battery electrolyte is long can be solved. And the problems of unstable electrolyte performance and poor compatibility with an electrode material caused by non-uniform solvent mixing are solved.