93 results about "Krypton" patented technology

The invention relates to an air pre-impurity-removal control method and system for enrichment and separation of Kr, and relates to the technical field of gas separation and purification, and the air pre-impurity-removal control method comprises the following steps: removing impurity components in air through an impurity removal device to obtain air subjected to impurity removal treatment; carrying out multi-stage enrichment and separation treatment on the air subjected to impurity removal treatment to obtain enriched Kr gas; and introducing the enriched Kr gas into a chromatographic separation device, and separating krypton from other inert gases to obtain a target krypton component. The problems that in the traditional Kr enrichment and separation process, due to the fact that air impurities are prone to icing, the device is blocked, the multi-stage separation parameter adaptability is poor, and the enrichment efficiency is low are solved, and through pre-impurity removal of intelligent parameter configuration and multi-stage enrichment of gradient temperature control, the Kr separation stability, the enrichment efficiency and the target component purity are improved.

The invention 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. Calculating the difference between the quotient of the historical krypton loss amount and the adsorption column mass and the initial unit krypton adsorption amount to generate the actual unit krypton adsorption amount; calculating the quotient between the product of the actual unit krypton adsorption quantity and the mass of the adsorption column and the flow velocity of the single to-be-adsorbed air so as to generate actual adsorption time; controlling the first-stage adsorption column to adsorb the to-be-adsorbed air according to the actual adsorption time so as to generate a to-be-separated adsorption column; controlling the adsorption column cleaning device to clean the adsorption column to be separated according to the actual unit krypton adsorption quantity, and collecting desorbed gas after cleaning to the waste gas storage device; and performing desorption operation on the cleaned adsorption column, controlling a gas collection device to collect desorbed gas, and heating and activating the first-stage adsorption column to recover the adsorption capacity. The application has the effect of reducing krypton loss.

The invention provides application of a silver modified AFX molecular sieve in xenon and krypton gas separation, and belongs to the technical field of gas separation. According to the invention, silver ions with electronegativity are introduced into AFX molecular sieve pores through ion exchange, selective adsorption of xenon is realized through the AFX topological molecular sieve subjected to Ag exchange so as to enrich xenon, and excellent separation of xenon and krypton is finally realized. The xenon and krypton adsorption isotherm of the silver modified AFX molecular sieve under the condition of 25 DEG C is tested, and the IAST (ideal adsorption solution theoretical value) of the molecular sieve is analyzed to be 36.5 through a static adsorption curve; according to the method disclosed by the invention, a dynamic penetration test is carried out under trace Xe and Kr concentrations by simulating the waste gas subjected to UNF post-treatment, and the dynamic capacity of Xe is calculated to be 104 mmol kg <-1 >, which is superior to that of other reported materials.

Method for forming a magnetoresistive element by forming a sense layer having a free sense magnetization, a reference layer having a fixed reference magnetization, wherein the reference layer is formed by deposition in a Krypton atmosphere, a tunnel barrier layer between the reference layer and the sense layer, and a hard layer having a fixed reference magnetization layer opposite to that of the reference layer. The magnetoresistive element may be configured to measure an external magnetic field oriented substantially perpendicular to the plane of the reference layer. The reference magnetizations of the reference and hard layers may be oriented substantially perpendicularly to the plane of the reference and hard layers. The sense magnetization may have a vortex configuration in the absence of an external magnetic field.

The invention discloses a coil excitation Hall thruster magnetic circuit structure suitable for a krypton working medium, relates to the technical field of aerospace technology and plasma propulsion, and solves the problems of low ionization efficiency and insufficient characteristic length of an existing Hall thruster after krypton is used. A magnetic conductive inner core is arranged at one end of a bottom plate, and a magnetic conductive cover is arranged at the other end; an inner magnetic pole is arranged at the upper end of the magnetic conductive inner core; an inner coil is arranged between the inner magnetic pole and the bottom plate and corresponds to the outer side of the magnetic conductive inner core; an outer coil is arranged between the outer magnetic pole and the bottom plate and corresponds to the inner side of the magnetic conductive cover; a ceramic channel is arranged between the inner coil and the outer coil; the bottom plate comprises an inner bottom plate and an outer bottom plate, the inner bottom plate and the outer bottom plate are coaxially arranged, and a bottom plate gap is formed between the inner bottom plate and the outer bottom plate. The characteristic length of a magnetic field in a discharge channel can be remarkably prolonged, the krypton ionization efficiency is improved, and meanwhile the structure of the thruster is simplified.

The utility model relates to a molecular sieve device for krypton and xenon production, which comprises a pipeline with a rectangular section, a plurality of screening mechanisms are arranged on the pipeline along the length direction, a plurality of strip-shaped insertion holes which vertically extend are arranged on the right side wall of the pipeline and are in one-to-one correspondence with the screening mechanisms, and the screening mechanisms can be inserted into the strip-shaped insertion holes; the screening mechanism comprises a rectangular frame body, the two faces of the frame body are both covered with net faces, and the frame body is filled with molecular sieve filler. A vertically-through upper opening is formed in the top edge of the frame body, and a vertically-through lower opening is formed in the bottom edge of the frame body. The right side edge of the frame body is provided with a horizontally-through plugboard hole, and the plugboard hole corresponds to the position of the lower opening; and the plug board penetrates through the plug board hole and extends into the lower opening. The multi-stage screening mechanism is adopted, compared with the prior art, a better impurity gas removing effect is achieved, the molecular sieve filler of a certain screening mechanism can be replaced according to needs, and the replacement process is simpler.

This invention discloses a covalent organic framework for the separation of krypton and xenon gases and its preparation method. Using tetrahedral symmetric aldehyde ligands with four sites and amino ligands with different side group substitution sites as raw materials, o-dichlorobenzene and n-butanol as solvents, and glacial acetic acid as catalyst, a covalent organic framework compound with a 7-fold interpenetrating PTS topological network structure is synthesized through pre-ultrasonic treatment, high-temperature reaction process, and purification steps such as filtration and extraction. The synthesized covalent organic framework compound can selectively adsorb and separate xenon-krypton mixed gases.

The invention relates to the technical field of refrigerants, in particular to a multi-component mixed refrigerant suitable for a temperature zone of-86 DEG C. The multi-component mixed refrigerant comprises a second group of substances, a fourth group of substances, a first group of substances, a third group of substances or one of the first group of substances and the third group of substances, and the first group of substances is methane R50, krypton R784 or a mixture of methane R50 and krypton R784; the second group of substances is ethylene R1150, ethane R170, xenon Xe or a mixture thereof; the third group of substances is propane R290, propylene R1270 or a mixture of the propane R290 and the propylene R1270; and the fourth group of substances is R601a, R601, R600a, R600 or a mixture of at least two of R601a, R601, R600a and R600. According to the refrigerant, by designing the components and the mass ratio of the refrigerant, efficient refrigeration in the temperature zone of-86 DEG C is achieved, meanwhile, it is ensured that the total amount of hydrocarbon refrigerant in a single refrigeration cycle is not larger than 150 g, the refrigerant is suitable for a heat regeneration and exchange type single-component cycle (LHR) refrigeration system, and the refrigeration efficiency and the system stability can be remarkably improved.

The main problem to be addressed by the present invention is to provide: a method for detecting an air leak present in a luminal organ with high reliability; and an agent for detecting an air leak.　As a means for solving the problem, provided are: a method for detecting an air leak present in a luminal organ, the method including a step for detecting the air leak by using CT to detect leakage, from the luminal organ, of at least one type of gas selected from the group consisting of xenon, krypton, and argon; and an agent for detecting an air leak present in a luminal organ, the agent containing at least one type of gas selected from the group consisting of xenon, krypton, and argon.

The utility model relates to a nitrogen recycling device in a krypton-xenon refining system. Comprising a krypton and xenon feed gas pipeline, the krypton and xenon feed gas pipeline is connected with a light component removal rectification part through a water removal unit, a tower kettle liquid outlet pipeline of the light component removal rectification part is connected with a krypton and xenon separation tower, the light component removal rectification part comprises a light component removal rectification tower, and a gas phase outlet of the light component removal rectification tower is connected with a condenser tube pass. A tube pass outlet of the condenser is respectively connected with a reflux inlet of the light component removal rectifying tower and a liquid oxygen storage tank; the moisture removal unit comprises a first channel of a first heat exchanger, and the first channel of the first heat exchanger is connected with a light component removal rectifying tower through an adsorber and a first channel of a second heat exchanger; the liquid nitrogen storage tank is connected with the regenerated gas buffer tank for the adsorber through a shell pass of the condenser and a second channel of the second heat exchanger; an outlet of the regenerated gas buffer tank for the adsorber is connected with the adsorber; the device is simple in structure and reasonable in design, and can realize long-time stable operation of a krypton and xenon refining system while realizing effective utilization of nitrogen cooling capacity and self.

The invention discloses a high and low temperature control device for krypton-85 temperature swing adsorption separation in the atmosphere. The high and low temperature control device comprises a refrigerating machine, a helium compressor, a vacuum chamber, a vacuum pump, an activated carbon adsorption trap, a heating piece, a heat insulation piece and an adjusting assembly. The refrigerating machine is mounted on the vacuum chamber, a cold head of the refrigerating machine extends into the vacuum chamber, and the refrigerating machine is connected with the helium compressor; the adjusting assembly is arranged in the vacuum chamber, the heat insulation part is arranged on the adjusting assembly, the heating part is arranged on the heat insulation part and fixedly connected with the activated carbon adsorption trap, the activated carbon adsorption trap is arranged opposite to a cold head of the refrigerator, and the adjusting assembly drives the activated carbon adsorption trap to be attached to or separated from the cold head of the refrigerator; the vacuum pump is communicated with the vacuum chamber. The high and low temperature control device is simple in structure, and high and low temperature control in the krypton-85 temperature swing adsorption separation process can be rapidly and effectively achieved.

The utility model discloses a krypton xenon raw material liquid oxygen storage device which comprises an outer tank, a tank cover, an inner tank and a first damping mechanism, an air outlet pipe is fixedly arranged on the tank cover, the first damping mechanism comprises two fixing blocks, two sliding blocks, two first springs and a fixing plate, the two fixing blocks are fixedly arranged on the inner bottom face of the outer tank, and the two sliding blocks are fixedly arranged on the inner bottom face of the inner tank. The two sliding blocks are connected into the corresponding fixing blocks in a sliding mode, the two first springs are arranged in the corresponding fixing blocks, the two ends of each first spring are fixed to the corresponding fixing block and the corresponding sliding block respectively, two first mounting plates are fixedly arranged on the bottom face of the fixing plate, a first rotating shaft is fixedly arranged between the two first mounting plates, and two second mounting plates are fixedly arranged on the two sliding blocks respectively. A second rotating shaft is fixedly arranged between the two second mounting plates, and connecting rods are fixedly arranged between the first rotating shaft and the second rotating shaft located on the same side. The utility model is used for solving the technical problem that the follow-up operation is influenced by explosion in the conveying process.

Heavy inert gas insulation layers are provided for one or more components of a launch system for a plurality of missiles. The layer may be integrated into the walls of the components or provided in inserts attached to the components. An inert gas fills a sealed void space in the walls or the insert. The inert gas has a density of at least 1.5 Kg / m3 and a thermal conductivity (Tcond_gas) of no greater than two-thirds of a thermal conductivity of air (Tcond_air) to form the heavy inert gas insulation layer. The inert gas may be Argon, Krypton, Xenon or a synthetic gas and is suitably held at a pressure of 760 Torr (1 atmosphere) or greater at sea level. The heavy inert gas insulation layer delays desensitization or inhibits premature reaction of the energetic materials inside the missiles due to high external temperatures. The insulation layers allow for more compact and dense configurations of the launch system and missiles.

The utility model belongs to the technical field of air separation, and particularly discloses an internal compression air separation poor krypton xenon extraction device and a start-stop control system, which comprise a lower tower, a main cooler, an upper tower, a gas-liquid separator, a liquid oxygen evaporator, a liquid oxygen adsorber, a liquid oxygen pump and a liquid jet evaporator, all the devices are communicated through pipelines, liquid oxygen is buffered through the gas-liquid separator before entering the liquid oxygen pump, the capacity of rapidly switching two working conditions of producing poor krypton xenon and not producing poor krypton xenon is achieved, and due to the fact that the gas-liquid separator does not participate in heat exchange and rectification, potential safety hazards do not exist in the change of the liquid level of the gas-liquid separator. Therefore, the safety of rapid working condition switching equipment can be guaranteed, and stable working condition operation of the main tower is guaranteed.

The utility model relates to the technical field of vaporizers, in particular to an air temperature type vaporizer for krypton xenon production, which comprises a heating box arranged at the top of a box body, the top of the heating box is provided with an opening, a heating sheet is arranged in the heating box, and an exhaust fan is arranged in the heating box below the heating sheet; the main pipe is vertically arranged in the box body, the upper end of the main pipe penetrates through the top of the box body and then is communicated with a connecting pipe on the heating box below the exhaust fan through a rotating joint, and the main pipe swings under the driving of a swinging assembly; the two air spraying pipes are oppositely arranged above and below the finned tube in the box body in parallel, the ends of the two air spraying pipes are communicated with the main pipe, and a plurality of air spraying heads are arranged on the sides, facing the finned tube, of the two air spraying pipes. The utility model has the advantages of keeping vaporizing capability and the like.

The utility model relates to a krypton and xenon content detection device for external poor krypton and xenon liquid oxygen. Comprising a tank car used for filling poor krypton-xenon liquid oxygen, a filling port of the tank car is connected with a pressure stabilizing unit used for keeping the internal pressure of the tank car stable, and an outlet of the tank car is connected with a krypton-xenon content detection unit through a dehydration vaporization unit. The tank car has the advantages of being simple in structure, reasonable in design and capable of adjusting the pressure in the tank car so as to achieve convenient gasification, meanwhile, by arranging the dehydration vaporization unit, the purpose of dehydrating while gasifying liquid oxygen can be achieved, further, the arrangement can provide buffering for the krypton and xenon content detection unit, and the detection accuracy is improved. The detection unit is prevented from being scoured by overlarge gas phase pressure, so that the service life of the krypton and xenon content detection unit is prolonged.

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.

The invention discloses a liquid sampling device and an analysis device.The liquid sampling device comprises a vacuum tube, a liquid discharging tube and a material taking tube, the vacuum tube is provided with a containing space and a first opening communicated with the containing space, and the vacuum tube has a cold insulation effect; the liquid discharge pipe is positioned in the accommodating space, is provided with a second opening and is used for placing a to-be-taken sample; the material taking pipe comprises a first end and a second end which are oppositely arranged, and the first end is used for being inserted into the liquid discharging pipe through the first opening and the second opening in sequence so as to extract a to-be-taken sample in the liquid discharging pipe; the first end of the material taking pipe is provided with a tip structure. The first end of the material taking pipe is provided with the tip structure, so that a needed sample can be conveniently taken out from the liquid discharging pipe, and the effect that the taken sample is real-time, real and accurate is achieved. In one embodiment, the sample includes cryogenic liquid xenon-krypton.

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 utility model relates to a methane detection device used in a krypton-xenon-containing liquid oxygen production system. Comprising a de-heavy rectifying tower in a liquid oxygen production system, a reboiler connected with a heat source nitrogen pipeline is arranged in the de-heavy rectifying tower, a detection pipeline and a tower kettle liquid discharge pipeline are arranged at the bottom of the de-heavy rectifying tower, and the tower kettle liquid discharge pipeline is connected with a krypton-xenon concentrate storage tank of a subsequent working section. The detection pipeline is connected with the methane detection unit through the gasification uniform mixing unit; the device has the characteristics that the content of methane in the tower kettle liquid in the de-heavy rectifying tower can be monitored in real time, so that the de-heavy rectifying tower can stably run for a long time under the condition that the risk is reduced.

The application discloses a kind of fast preparation method and device of xenon or krypton gas source for nuclear data measurement, to solve the problem that prior art cannot carry out fast enrichment purification preparation source to low concentration xenon (Xe) or krypton (Kr) in component complex raw gas.Its method specifically includes: step 1, at 10-30 ℃ temperature, using pretreatment adsorption column to pretreat raw gas, remove H2O, part CO2 and organic gas in raw gas;Step 2, using enrichment purification adsorption column to adsorb and intercept Xe or Kr in pretreated gas, adsorption interception time is determined according to the sample amount of raw gas;Step 3, using heating and carrier gas purging combination desorption separation method to purify Xe or Kr adsorbed and intercepted on the enrichment purification adsorption column;Step 4, enrichment purification adsorption column is pumped to negative pressure 5-15kPa, and it is heated to 160-200 ℃, and temperature is kept for a predetermined period of time, generally 5-15min, so that Xe or Kr is desorbed from the enrichment purification adsorption column, and Xe or Kr gas source is obtained.

The utility model relates to the technical field of krypton gas characteristic test, and discloses a krypton gas propellant characteristic test device which comprises a test bed and a krypton gas tank, one end of a gas outlet pipe is fixedly connected with a three-way valve, one side of the three-way valve is fixedly connected with a first connecting pipe and a second connecting pipe, one end of the first connecting pipe is fixedly connected with a cooling box, and the other end of the first connecting pipe is fixedly connected with a second connecting pipe. A first switch valve is arranged between the first connecting pipe and the cooling box, one end of the second connecting pipe is fixedly connected with a heating box, a second switch valve is arranged between the second connecting pipe and the heating box, the threaded rod is driven by the hand wheel to rotate, and the threaded rod drives the movable cylinder to move; when the krypton gas is cooled, the connector of the first connecting pipe is closed, then the krypton gas enters the heating box through the second connecting pipe to be heated, and then the heated krypton gas enters the cooling box through the third connecting pipe to be cooled, so that the propellant characteristic that the krypton gas is rapidly cooled after high temperature is tested.

The invention provides an intelligent fault diagnosis method and system for a krypton and xenon extraction process and a storage medium, and the method specifically comprises the steps: obtaining multivariable time series data of the krypton and xenon extraction process, and inputting the multivariable time series data into a multi-scale residual dense cavity convolutional network to extract a high-dimensional depth feature sequence; the network uses cavity convolution with different expansion rates in different residual blocks, and fuses multi-scale time sequence features through dense connection; weighting the feature sequence by using a channel attention and time self-attention mechanism to obtain a time weighted feature; meanwhile, on the basis of covariance modeling between feature channels, feature dimension attention scores are calculated, and variable correlation weighted features are obtained; performing first outer product fusion on the time weighted feature and the variable correlation weighted feature, performing second outer product fusion on the original depth feature and the time weighted feature, and splicing the two fusion results to generate a fault representation vector; and inputting the fault representation vector into a classifier, and outputting a fault type diagnosis result.

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+ .

A process for the explosion-proof storage of nitrous oxide in the liquid phase in a container comprising filling the container with nitrous oxide and an inert component selected from nitrogen, oxygen, carbon dioxide, water, argon, helium, krypton, xenon and mixtures thereof, and keeping it at a temperature of 190 to 273 K, wherein (i) the container has in all three spatial directions an inner distance between two opposite interior walls of ≥10 cm, (ii) the concentration of the inert components comprises 2 to 20 wt.-% in total, based on the nitrous oxide in the liquid phase, and (iii) compounds selected from—gases having a flammable range with air at 293.15 K and 101.3 kPa abs,—liquids having a flash point of ≤366.15 K at 101.3 kPa abs, and—mixtures thereof are kept at 0 to 2 wt.-% in total, based on the nitrous oxide in the liquid phase.

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 invention discloses a full-low molecular sieve purification and adsorption air separation device, relates to the technical field of air separation devices, and realizes breakthrough in the aspects of energy efficiency, safety and product diversity by innovatively integrating pre-cooling, purification, rectification and rare gas extraction systems. The process flow scheme of a full-low-pressure molecular sieve purification and adsorption system, an air supercharging turbo expander for providing cooling capacity required by the device, air supercharging expansion, double-tower rectification, oxygen, nitrogen and argon internal compression and external compression, a full-rectification hydrogen-free argon production system and a coarse krypton and xenon extraction system is formed. The device has the advantages of reliable operation, mature technology, advanced process, convenience in operation, low energy consumption, good safety and economical and reasonable cloth machine.

The present application relates to rare gas separation and purification equipment technical field, and relates to a kind of krypton-xenon fine extraction device, including mounting plate, including raw material gas pretreatment unit, adaptive concentration system, rectification purification unit, product gas collection unit, the adaptive concentration system includes concentration tower and variable-angle elastic gas-liquid distributor, the concentration tower adopts variable-diameter tower body structure, including integrally arranged tower body upper section and tower body lower section, several layers of tray are arranged in the tower body of the concentration tower along the axial direction interval, the tray adopts sieve hole structure, a set of variable-angle elastic gas-liquid distributor is correspondingly provided above each layer of tray, the variable-angle elastic gas-liquid distributor includes stepper motor, rotatable flow guide pipe, titanium alloy elastic sieve plate and spring support assembly, effectively solve the distribution uniformity of gas-liquid two-phase in concentration tower in prior art, prone to channeling, deflection phenomenon, lead to mass transfer efficiency is low, influence krypton-xenon concentration effect problem.

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.

The utility model discloses a liquid metal reactor cladding crevasse gas release experiment system which comprises a liquid metal supply device used for providing a high-temperature liquid metal medium environment; the crevasse simulation experiment device is mounted on the liquid metal supply device and is used for simulating the release process of the fission gas in the reactor from the fuel rod with the crevasse; the gas distribution device is connected with the crevasse simulation experiment device and provides carrier gas comprising fission gas or simulation gas of the fission gas for the crevasse simulation experiment device; and the sampling and measuring device is connected with the liquid metal supply device and is used for sampling and measuring the gas of the liquid metal supply device to obtain the components and / or radioactivity of the gas. According to the utility model, the experimental study on the release behavior of fuel fission products such as krypton and xenon at the crevasse of the simulated fuel cladding under the medium environment of the liquid metal reactor can be realized.