19 results about "Krypton" patented technology

The application discloses a kind of intelligent poor krypton-xenon product extraction device, including air separation tower, the air separation tower includes multiple cryogenic tubes, the connecting place between two the cryogenic tubes of intercommunication is connected by two flanges, it is characterized in that, still including two sealing bodies between two the flanges, one of the sealing bodies sliding sleeve is connected on another sealing body, pressure compensation component is connected between two the sealing bodies, it is used to extrude two the sealing bodies to carry out elastic compensation outside;The application provides a kind of intelligent poor krypton-xenon product extraction device, in normal sealing state, one of the sealing bodies sliding sleeve is connected on another sealing body, and there is the tendency of movement outside between them by pressure compensation component, when the gap between sealing body and flange surface appears due to aging, thermal expansion and contraction and the like, two sealing bodies are pushed outside by pressure compensation component to realize resealing.

This invention provides an online monitoring system and method for krypton-85 based on a scintillation fiber bundle, specifically relating to the field of nuclear radiation monitoring. The online monitoring system includes: a gas pretreatment unit, a detection unit, an electronics and data acquisition unit, and a control unit. The detection unit is connected to the gas output terminal of the gas pretreatment unit. The detection unit includes a detection chamber, a scintillation fiber bundle, a first photomultiplier tube, a second photomultiplier tube, and a lead shield. The scintillation fiber bundle is disposed within the detection chamber, and the first and second photomultiplier tubes are respectively located at both ends of the detection chamber, with their photosensitive surfaces optically coupled to both ends of the scintillation fiber bundle. The lead shield covers the outside of the detection chamber. The electronics and data acquisition unit receives the output signal from the detection unit, and the control unit controls the automatic operation of the entire system, parameter setting, and data acquisition and processing. This invention solves the problems of poor timeliness and insufficient representativeness in traditional offline monitoring methods.

The application discloses an ultramicroporous metal organic framework material, a preparation method thereof and a xenon / krypton separation application. 12 H 12 ] 2‑ The six-coordinated divalent metal cation M is coordinated with the four-tooth nitrogen-containing ligand L in the horizontal direction to form an infinitely extended two-dimensional network structure, is coordinated with two water molecules in the vertical direction to form a two-dimensional secondary structure unit, and finally is coordinated with the divalent inorganic anion [B 12 H 12 ](H2O)2, wherein L is a four-tooth nitrogen-containing ligand 1,1,2,2-tetrakis (pyridine-4-yl) ethylene, the metal cation M is one or more than two of Cu 2+ , Ni 2+ , Fe 2+ , Co 2+ , Zn 2+ .

This application provides a krypton-xenon refining refrigerator, comprising a refrigerator body and a krypton-xenon refining system disposed inside the refrigerator body. The krypton-xenon refining system includes a main heat exchanger, a crude krypton-xenon tower, a krypton-xenon separation tower, a pure krypton tower, a crude xenon tower, a pure xenon tower, and piping assemblies. The crude krypton-xenon tower and the krypton-xenon separation tower are arranged in a first row along a first width direction and are spaced apart sequentially along a second width direction. The main heat exchanger is located above the krypton-xenon separation tower in the height direction. The pure krypton tower, the crude xenon tower, and the pure xenon tower are arranged in a second row along the first width direction and are spaced apart sequentially along the second width direction. This application achieves multi-device integration within a limited width, improves the utilization rate of the internal three-dimensional space of the krypton-xenon refining refrigerator, and rationally sets up each functional area to realize the modular design of the krypton-xenon refining refrigerator, which is convenient for transportation. After transportation to the site, installation is simple; only the connection of process piping and instrumentation is required to install the core units required for the krypton-xenon refining process.

The application relates to a Kr separation method and system based on selective desorption, a terminal and a storage medium, and relates to the technical field of rare gas purification, which comprises the following steps: collecting a historical krypton loss amount; calculating the difference between the quotient of the historical krypton loss amount and the mass of an adsorption column and the initial unit krypton adsorption amount, so as to generate an actual unit krypton adsorption amount; calculating the quotient between the product of the actual unit krypton adsorption amount and the mass of the adsorption column and the single-time air flow speed to be adsorbed, so as to generate an actual adsorption time; controlling a primary adsorption column to adsorb air to be adsorbed according to the actual adsorption time, so as to generate an adsorption column to be separated; controlling an adsorption column cleaning device to clean the adsorption column to be separated according to the actual unit krypton adsorption amount, and collecting the desorbed gas after cleaning to a waste gas storage device; performing a desorption operation on the cleaned adsorption column, controlling a gas collecting device to collect the desorbed gas, and heating and activating the primary adsorption column to recover the adsorption capacity. The application has the effect of reducing krypton loss.

This invention belongs to the field of experimental technology for oil and gas field development, specifically relating to an experimental device and method for CO2 injection at the gas-water interface to suppress bottom water displacement of natural gas. The device includes a reservoir simulation system, a fluid injection system, a multi-dimensional visualization monitoring system, and a production metering system. The reservoir simulation system uses a sand-filled pipe to simulate a vertical reservoir, and a temperature control module regulates the temperature of the sand-filled pipe. The fluid injection system uses a fixed-point injection pipe with adjustable depth that can penetrate deep into the pipe body to precisely inject CO2 into the gas-water interface. The multi-dimensional visualization monitoring system uses a scanner and krypton tracers mixed with simulated natural gas and sodium iodide tracers mixed with simulated formation water to achieve dynamic monitoring of multiphase fluids throughout the displacement process. This invention can simulate the vertical development characteristics of deep bottom water gas reservoirs with high fidelity, intuitively revealing the mechanism of CO2 inhibition of bottom water coning, and providing precise experimental basis for optimizing gas reservoir development schemes.

The utility model relates to the field of krypton xenon extraction technology especially, and more particularly to a kind of krypton xenon extraction air separation cold buffer and supercooling degree balancing device.Its technical scheme includes cold accumulator, heat exchange pipe, adjusting bin and condensing tower, and backwater pipe is installed between the communication of cold accumulator and condensing tower, condensing tower one end is provided with delivery pump, the heat exchange pipe of delivery pump output end is provided with, the adjusting bin is installed in the internal communication of heat exchange pipe upper end, the adjusting bin one end is communicated and is installed with fairing, and the fairing is connected with the adjusting bin and is installed with flow guide pipe.The utility model is provided with adjusting bin in the internal communication of heat exchange pipe part paragraph upper end, when the delivery flow of cooling medium is large, it is stored by cold accumulator recovery, improve the existing air separation system when dealing with raw gas change, it is often difficult to realize the accurate control of supercooling degree, so as to restrict the improvement of krypton xenon extraction efficiency.

The present disclosure relates generally to topological semimetal (TSM)-based spin-orbit torque (SOT) devices and methods of forming TSM layers. The TSM layer of the SOT device includes YPtBi having a 1:1:1 stoichiometric ratio. The YPtBi has a density between about 9.7 g / cc to about 11.2 g / cc. Kr, Ar, or Xe gas is used to sputter the YPtBi to form the YPtBi layer or film. Trace amounts of Kr, Ar, or Xe are detectable in the YPtBi layer, where the YPtBi layer includes about 1% Kr, Ar, or Xe. In forming the YPtBi layer, one or more targets including: YPtBi; YPt and Bi; PtBi and Y; Y, Pt, and Bi; or YBi and Pt can be used. In embodiments where two targets are used to form the YPtBi layer, different amounts of power can be applied to each target.

The present invention relates to a high-efficiency krypton adsorption device and an adsorption method. According to one aspect of the present invention, a krypton adsorption device may be provided, comprising: a liquid nitrogen storage unit in which liquid nitrogen is stored; an air inlet tube into which air is introduced from the outside; a liquid nitrogen supply unit for supplying liquid nitrogen to the liquid nitrogen storage unit; a krypton collection unit disposed in the liquid nitrogen storage unit and adsorbing krypton contained in the air introduced into the interior through the air inlet tube; a sensing unit for detecting one or more of the temperature of the krypton collection unit and the amount of liquid nitrogen stored in the liquid nitrogen storage unit; and a controller for controlling the liquid nitrogen supply unit to supply the liquid nitrogen to the liquid nitrogen storage unit based on information detected by the sensing unit.

This invention discloses a high color rendering index (Ra) and long lifespan magnetic ring-coupled plasma light source and its preparation method. The light source is an electrodeless source, comprising a bulb shell, an inorganic ceramic protective layer, a luminescent filler encapsulated inside the bulb shell, a mixed buffer gas, and a magnetic ring coupler fitted outside the bulb shell. The luminescent filler contains sulfur (S), selenium (Se), rare earth triiodine compounds, alkali metal bromine compounds, and alkali metal iodine compounds. The mixed buffer gas is a mixture of argon (Ar) and krypton (Kr) or argon (Ar) and xenon (Xe). The preparation method includes five steps: bulb shell pretreatment, inorganic ceramic protective layer preparation, luminescent filler filling, vacuuming and gas filling, and fusion sealing. This invention achieves ultra-high color rendering indexes (Ra>95, R9>90) by optimizing the luminescent formula and structural design. It contains no toxic substances and meets environmental standards, solving the technical pain points of poor color rendering, short lifespan, and insufficient environmental friendliness of traditional plasma light sources.

The utility model belongs to a kind of crude krypton-xenon gas purification device;Including crude krypton-xenon tower rectifying column, the inside of crude krypton-xenon tower rectifying column is equipped with electric heating reboiler, the import of crude krypton-xenon tower rectifying column is equipped with raw material gas main pipeline, raw material gas main pipeline is equipped with first three-way, and the third end of first three-way is connected with recovery crude krypton-xenon part, and recovery crude krypton-xenon part includes recovery crude krypton-xenon pipeline, and recovery crude krypton-xenon pipeline is connected with the third end of first three-way by adsorber;With the advantages that the existing crude krypton-xenon purification system is reformed to meet the purification of crude krypton-xenon liquid and crude krypton-xenon gas, process design is reasonable, energy consumption is low, and long-period stable operation can be realized.

The utility model discloses a kind of silica gel adsorbers for krypton xenon rare gas purification, belong to krypton xenon rare gas purification field, including adsorber shell, the adsorber shell is composed of upper chamber and lower chamber, material plate is equipped in the upper chamber, the material plate is set, flow control assembly is equipped between the upper chamber and lower chamber;Through the material plate of upper chamber and adjusting plate abut, and the aperture, perforation one-to-one correspondence of both, cooperate flow control assembly can accurately adjust ventilation area, upper chamber and lower chamber can be filled with different function adsorption material respectively, realize staged adsorption to complex impurity in raw gas, improve the comprehensiveness of impurity removal, simultaneously, by the aperture overlap degree adjustment of adjusting plate and material plate, can optimize the flow path of gas in chamber, ensure that gas and adsorbent contact fully, solve the problem of low utilization rate of adsorbent in traditional structure, improve overall adsorption efficiency and final purification precision.

The application discloses a kind of microporous metal organic framework materials and preparation and rare gas separation method, belong to chemical adsorption separation technical field, microporous metal organic framework material is made of divalent metal ion, heterocyclic dicarboxylic acid ligand and nitrogen-containing heterocyclic ligand coordination construction;Divalent metal ion and heterocyclic dicarboxylic acid ligand coordination forms two-dimensional polymer, nitrogen-containing heterocyclic ligand as pillar, by with two-dimensional polymer coordination forms three-dimensional framework structure.Microporous metal organic framework material is used as adsorbent, and is contacted with rare gas mixed gas phase, realizes to high polarity rare gas identification capture, reaches the separation and purification of rare gas.The present application realizes the accurate control of pore chemistry electrostatic environment by changing different ligand and its functional group substituent, so as to realize the selective separation of xenon / krypton and helium / neon and other rare gas.

The application discloses a krypton-xenon refining and extracting method and relates to the technical field of cryogenic rare gas separation. The method comprises the following steps: pressurizing a tank containing krypton-xenon crude liquid to 0.15 MPa; inputting raw krypton-xenon gas obtained through primary roasting, cooling and purification into a secondary concentration module, and controlling the gaseous side, the liquid side and the oxygen outlet temperature of a secondary concentration tower evaporator; gasifying and filling a bottle with the krypton-xenon mixed liquid, and performing secondary roasting, cooling and purification; inputting the obtained krypton-xenon mixed gas into a krypton-xenon separation module, obtaining crude krypton with ≤1 ppm xenon at the top of the krypton-xenon separation tower, obtaining crude xenon with ≤1 ppm krypton at the bottom of the krypton-xenon separation tower, removing CF4 in a krypton I tower, removing CH4 and oxygen in a krypton II tower, and obtaining high-purity krypton; inputting the crude xenon into a pure xenon module, removing hydrocarbons and NO and C2F6 in a xenon I tower, removing CF4 in a xenon II tower, and obtaining high-purity xenon. The method can improve the utilization rate of krypton-xenon raw liquid, and improve the product purity and yield.

This invention discloses a magnetic circuit structure for adjusting the magnetic field gradient within a Hall thruster channel, relating to the field of Hall thruster technology. It solves the problems of insufficient ionization of krypton and low thruster efficiency in krypton Hall thrusters. The invention includes magnetic poles, an inner iron core, a base plate, a magnetic screen, an outer magnetic shield, a coil, and an annular channel. The inner iron core is located at one end of the upper surface of the base plate, and the outer magnetic shield at the other end. Magnetic poles are located at the upper ends of both the inner iron core and the outer magnetic shield. A magnetic screen, comprising an inner and outer magnetic screen, is located on the base plate, with an annular channel between them. A coil is located between the inner and inner iron cores, and between the outer and outer magnetic shields. Slots are provided on both the inner and outer magnetic screens. By adjusting the thickness of the magnetic screen at different locations, this invention saturates the magnetic flux density, thereby altering the magnetic field distribution within the channel, reducing the magnetic field gradient, and increasing the length of the ionization region, allowing for more complete ionization of the krypton within the channel.

The application provides a bimodal inert gas radionuclide measurement system and method, and particularly relates to the technical field of nuclear radiation detection. The measurement system comprises a coincidence probe, a power supply unit, a data acquisition unit and an upper computer. The coincidence probe comprises a PIPS gas detection chamber and a cadmium zinc telluride detector array. The cadmium zinc telluride detector array is arranged on the outer side of the PIPS gas detection chamber, and the detection surface thereof is opposite to the gas sample in the PIPS gas detection chamber. The power supply unit is used for supplying power to the PIPS gas detection chamber and / or the cadmium zinc telluride detector array. The data acquisition unit is used for acquiring and processing the detector signal. The upper computer is used for analyzing the data processed by the data acquisition unit, and controlling the operation of the coincidence probe and the data acquisition unit. The measurement system of the application can be switched between the xenon monitoring mode and the krypton monitoring mode, greatly reducing the comprehensive construction cost, land space and operation and maintenance complexity of the monitoring system, and improving the equipment utilization.

This invention proposes a parallel monitoring system and method for multiple nuclides in gaseous radioactive effluents, relating to the field of nuclide monitoring technology for gaseous effluents from nuclear power plants. The parallel monitoring system for multiple nuclides in gaseous radioactive effluents includes: an online aerosol and iodine monitoring module configured to monitor aerosols and radioactive iodine in a gas sample; a tritium and carbon-14 sample preparation module configured to separate and prepare tritium and carbon-14 from the gas sample; an array detector connected to the tritium and carbon-14 sample preparation module to detect tritium and carbon-14; a gamma detection module to measure gamma characteristic rays; a krypton-xenon sample preparation module to separate krypton and xenon; a krypton measurement module to measure krypton; a xenon measurement module to measure xenon; and a control module to control the online aerosol and iodine monitoring module, the tritium and carbon-14 sample preparation module, the array detector, the gamma detection module, the krypton-xenon sample preparation module, the krypton measurement module, and the xenon measurement module to achieve parallel measurement of multiple nuclides in the gas sample.

This invention discloses a high color rendering, full-spectrum plasma luminescent material, relating to the field of plasma luminescence technology. It aims to address the shortcomings of existing plasma luminescent materials, such as insufficient color rendering, presence of toxic and harmful substances, poor stability, short lifespan, and inability to form a continuous spectrum. The luminescent material is prepared from the following components by weight: 50-80 parts sulfur (S), 20-50 parts selenium (Se), 1-5 parts a triiodine compound of rare earth elements, 0.1-1 parts an alkali metal bromine compound, and 0.5-3 parts an alkali metal iodine compound. Optionally, europium iodide (EuI2), indium iodide (InI), and excess pure iodine (I2) are added. It is encapsulated in a mixed buffer gas of argon (Ar) and krypton (Kr), with the inner wall of the quartz bubble shell coated with an Al2O3 protective film. The raw materials of this invention are non-toxic and environmentally friendly, complying with RoHS and other environmental regulations. It can form a continuous spectrum close to sunlight, and exhibits long lifespan and strong stability.