Radioactive gas separation and purification equipment, method, medium and equipment

Abstract

The invention discloses radioactive gas separation and purification equipment, a radioactive gas separation and purification method, a radioactive gas separation and purification medium and radioactive gas separation and purification equipment, and relates to the technical field of radioactive gas separation and purification. The radioactive gas separation and purification equipment comprises a first separation column, a second separation column, a carrier gas container, a quantitative structure, a chromatographic column, a detection assembly, a first control valve, a storage container, a temperature controller and a to-be-treated gas container. The carrier gas container is connected with the first control valve, and the to-be-treated gas container, the quantitative structure, the first control valve, the first separation column, the second separation column, the chromatographic column and the storage container are sequentially connected. The first separation column, the second separation column and the chromatographic column are all filled with stationary phases which are all used for purifying target substances in the to-be-treated gas based on different adsorption rates of the stationary phases relative to different substances. Therefore, due to the arrangement of the first separation column, the second separation column and other structures, large-volume ambient air or gaseous effluent can be purified, and subsequent radioactive substance concentration measurement is facilitated.

Description

Technical Field

[0001] This specification relates to the field of radioactive gas separation and purification technology, and in particular to a radioactive gas separation and purification device, method, medium and equipment. Background Technology

[0002] Normally, ambient air or gaseous effluents contain small amounts of radioactive substances such as krypton-85 and radon-222, which need to be separated and purified before radioactivity can be measured.

[0003] Because the content of radioactive substances such as krypton-85 and radon-222 in ambient air or gaseous effluents is extremely low, the volume that needs to be processed during the separation and purification process reaches the tier 1 level, which cannot be handled by existing related instruments. Summary of the Invention

[0004] This specification provides a device, method, medium, and apparatus for the separation and purification of radioactive gases, which at least partially solves the aforementioned problems existing in the prior art.

[0005] The following technical solution is adopted in this specification: This specification provides a radioactive gas separation and purification device, including a first separation column, a second separation column, a carrier gas container, a quantitative structure, a chromatographic column, a detection component, a first control valve, a storage container, a temperature controller, and a gas container to be processed. The carrier gas container is connected to the first control valve; The gas container to be processed, the quantitative structure, the first control valve, the first separation column, the second separation column, the chromatographic column, and the storage container are connected in sequence; The quantitative structure is used to store the target volume of gas to be processed and to output the stored gas to be processed to the first control valve. The temperature controller is connected to the first separation column and the second separation column respectively, and is used to regulate the temperature inside the first separation column and the second separation column; The first separation column, the second separation column, and the chromatographic column are all filled with a stationary phase. The first separation column, the second separation column, and the chromatographic column are all used to purify the target substance in the gas to be treated based on the different adsorption rates of the stationary phase on different substances.

[0006] Preferably, a second control valve is provided between the chromatographic column and the storage container; The chromatographic column is connected to the detection component; The detection component is used to detect the concentration of the target substance in the gas inside the chromatographic column; The second control valve can receive instructions and / or respond to user operations to connect the chromatographic column to the storage container.

[0007] Preferably, the radioactive gas separation and purification equipment includes a waste gas container; The chromatographic column is provided with a first gas outlet; the second control valve is a three-way valve, and the second control valve is not connected to the interface of the chromatographic column and the storage container, but is connected to the waste gas container; or, The chromatographic column is provided with a first gas outlet and a first waste gas outlet. The second control valve is a two-way valve, with one end of the second control valve connected to the first gas outlet. The first waste gas outlet is connected to a waste gas container.

[0008] Preferably, the radioactive gas separation and purification equipment includes a controller; The controller is connected to the first control valve, the second control valve, the detection component, and the temperature controller respectively; the controller is used to control the opening and closing of the first control valve and the second control valve; and to send instructions to the temperature controller to instruct the temperature controller to adjust the temperature of the first separation column and the second separation column; and to receive the detection results sent by the detection component.

[0009] Preferably, the first separation column is provided with a second outlet and a second exhaust port; the second separation column is provided with a second separation column inlet, a third outlet and a third exhaust port; the second outlet is connected to the inlet of the second separation column; and the third outlet is connected to the inlet of the chromatographic column. The radioactive gas separation and purification equipment includes a third control valve, a fourth control valve, a fifth control valve, a sixth control valve, and a seventh control valve, which are respectively connected to the second gas outlet, the third gas outlet, the second waste gas outlet, the third waste gas outlet, and the second separation column inlet. The controller is communicatively connected to the third, fourth, fifth, sixth, and seventh control valves, respectively, and is used to control the opening and closing of the third, fourth, fifth, sixth, and seventh control valves.

[0010] Preferably, the controller is used to send instructions to the temperature controller, the first control valve, the third control valve, the fourth control valve, the fifth control valve, and the sixth control valve, so that the gas to be treated undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range, and being driven away from the stationary phase by the carrier gas in the third temperature range, respectively, in the first separation column and the second separation column.

[0011] On the other hand, this specification provides a method for separating and purifying radioactive gases, utilizing the radioactive gas separation and purification equipment provided in the above-mentioned aspect, comprising: Commands are sent to the temperature controller, the first control valve, the third control valve, and the fifth control valve so that the gas to be treated in the first separation column sequentially undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range, and being driven away from the stationary phase by the carrier gas in the third temperature range. Based on the detection results of the detection component, if the concentration of the target substance is determined to be greater than the first preset concentration, a command is sent to the second air inlet valve so that the gas to be processed is carried into the second separation column by the carrier gas. Commands are sent to the temperature controller, the fourth control valve, and the sixth control valve so that the gas to be treated in the second separation column sequentially undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range to remove impurities, and being driven away from the stationary phase by the carrier gas in the third temperature range. Based on the detection results of the detection component, if the concentration of the target substance is determined to be greater than the second preset concentration, a command is sent to the second control valve to allow the purified gas to be processed to enter the storage container.

[0012] On the other hand, the computer-readable storage medium provided in this specification stores a computer program that, when executed by a processor, implements the method for separating and purifying radioactive gases provided in the above-mentioned aspect.

[0013] On the other hand, this specification provides an electronic device including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the method for separating and purifying radioactive gases provided in the above-mentioned aspect.

[0014] On the other hand, this specification provides a computer program product in which the instructions are executed by the processor of an electronic device, causing the electronic device to implement the method for separating and purifying radioactive gases provided in the above-mentioned aspect.

[0015] The above-mentioned technical solutions adopted in this specification can achieve the following beneficial effects: According to the above, the radioactive gas separation and purification equipment includes a first separation column, a second separation column, a carrier gas container, a quantitative structure, a chromatographic column, a detection component, a first control valve, a storage container, a temperature controller, and a gas container to be processed. The carrier gas container is connected to the first control valve, and the gas container to be processed, the quantitative structure, the first control valve, the first separation column, the second separation column, the chromatographic column, and the storage container are connected sequentially. The quantitative structure stores a target volume of gas to be processed and outputs the stored gas to be processed to the first control valve. The temperature controller is connected to both the first and second separation columns and is used to regulate the temperature within each column. The first, second, and chromatographic columns are all filled with a stationary phase, and each column is used to purify the target substance within the gas to be processed based on the different adsorption rates of the stationary phase on different substances.

[0016] It is evident that the design of the first separation column, the second separation column, and other structures enables the purification of large volumes of ambient air or gaseous effluents, facilitating subsequent measurements of radioactive material concentrations. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this specification and form part of this specification, illustrate exemplary embodiments and are used to explain this specification, but do not constitute an undue limitation thereof. In the drawings: Figure 1 A schematic diagram of the architecture of a radioactive gas separation and purification apparatus provided for one embodiment of this specification; Figure 2 A schematic diagram of the architecture of a radioactive gas separation and purification apparatus provided for one embodiment of this specification; Figure 3 This is a schematic flowchart illustrating a method for separating and purifying radioactive gases provided in this specification. Figure 4 This is a schematic diagram of a radioactive gas separation and purification device provided in this specification. Figure 5 This is a schematic diagram of the structure of an electronic device provided in this specification.

[0018] Explanation of reference numerals in the attached figures: First separation column 11; Second separation column 12; Carrier gas container 13; Quantitative structure 14; Chromatographic column 15; Detection component 16; First control valve 17; Storage container 18; Temperature controller 19; Gas container to be processed 20; Second outlet 21; Second exhaust port 22; Second separation column inlet 23; Third outlet 24; Third exhaust port 25; Third control valve 26; Fourth control valve 27; Fifth control valve 28; Sixth control valve 29; Seventh control valve 30; Eighth control valve 31. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this specification clearer, the technical solutions of this specification will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this specification, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this specification without creative effort are within the scope of protection of this application.

[0020] In the description of this invention, it should be noted that the term "or" is generally used to include the meaning of "and / or" unless otherwise expressly stated in the content.

[0021] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. Furthermore, in the description of this application, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0022] Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0023] The technical solutions provided in the various embodiments of this specification are described in detail below with reference to the accompanying drawings.

[0024] Figure 1 A schematic diagram of the architecture of a radioactive gas separation and purification apparatus provided in one embodiment of this specification is shown below. Figure 1 As shown, the radioactive gas separation and purification equipment includes a first separation column 11, a second separation column 12, a carrier gas container 13, a quantitative structure 14, a chromatographic column 15, a detection component 16, a first control valve 17, a storage container 18, a temperature controller 19, and a gas container 20 to be processed.

[0025] Preferably, the carrier gas container 13 is connected to the first control valve 17.

[0026] Preferably, the gas container 20 to be processed, the quantitative structure 14, the first control valve 17, the first separation column 11, the second separation column 12, the chromatographic column 15, and the storage container 18 are connected in sequence.

[0027] Preferably, the gas container 20 is used to store the gas to be processed.

[0028] Preferably, the quantitative structure 14 can be a fixed loop, a quantitative tube, a calibration syringe, etc., and this specification does not limit it.

[0029] Preferably, the gas container 20 to be processed, the carrier container, and the storage container 18 can be high-pressure gas cylinders, stainless steel sampling canisters, Teflon sampling bags, etc., but this specification does not impose any restrictions.

[0030] Preferably, the metering structure 14 is used to store the target volume of gas to be processed and to output the stored gas to be processed to the first control valve 17.

[0031] Preferably, the storage capacity of the quantitative structure 14 is selectable, such as 0.5 mL, 1 mL, 2 mL, 5 mL, 10 mL, 100 mL, etc., and this specification does not impose any restrictions.

[0032] Preferably, the temperature controller 19 is connected to the first separation column 11 and the second separation column 12 respectively, and is used to regulate the temperature inside the first separation column 11 and the second separation column 12.

[0033] Preferably, there can be two temperature controllers 19, which are respectively connected to the first separation column 11 and the second separation column 12.

[0034] Preferably, the number of temperature controllers 19 is 1, and the temperature controller 19 includes two individually controllable sealing parts, which are respectively connected to the first separation column 11 and the second separation column 12.

[0035] Preferably, the interiors of the first separation column 11, the second separation column 12, and the chromatographic column 15 are all filled with a stationary phase.

[0036] Preferably, the stationary phase can be activated carbon, molecular sieve, graphitized carbon, etc., but this specification does not limit this.

[0037] Preferably, the first separation column 11, the second separation column 12, and the chromatographic column 15 are all used to purify the target substance in the gas to be treated based on the different adsorption rates of the stationary phase relative to different substances.

[0038] According to the above, the radioactive gas separation and purification equipment includes a first separation column 11, a second separation column 12, a carrier gas container 13, a quantitative structure 14, a chromatographic column 15, a detection component 16, a first control valve 17, a storage container 18, a temperature controller 19, and a gas container 20 to be processed. The carrier gas container 13 is connected to the first control valve 17, and the gas container 20 to be processed, the quantitative structure 14, the first control valve 17, the first separation column 11, the second separation column 12, the chromatographic column 15, and the storage container 18 are connected sequentially. The quantitative structure 14 is used to store a target volume of gas to be processed and to output the stored gas to the first control valve 17. The temperature controller 19 is connected to both the first separation column 11 and the second separation column 12 and is used to regulate the temperature within both columns. The first separation column 11, the second separation column 12, and the chromatographic column 15 are all filled with a stationary phase. The first separation column 11, the second separation column 12, and the chromatographic column 15 are all used to purify the target substance in the gas to be treated based on the different adsorption rates of the stationary phase on different substances.

[0039] It is evident that the design of the first separation column 11, the second separation column 12, and other structures enables the purification of large volumes of ambient air or gaseous effluents, facilitating subsequent measurement of radioactive material concentrations.

[0040] Preferably, a second control valve is provided between the chromatographic column 15 and the storage container 18.

[0041] Preferably, the chromatographic column 15 is connected to the detection component 16.

[0042] Preferably, the detection component 16 is used to detect the concentration of the target substance in the gas inside the chromatographic column 15.

[0043] Preferably, the detection component 16 is also used to measure the composition of the gas, but this specification does not limit this.

[0044] Preferably, the second control valve is capable of receiving instructions and / or responding to user operations to connect the chromatographic column 15 to the storage container 18.

[0045] Preferably, the radioactive gas separation and purification equipment includes an exhaust gas container.

[0046] More preferably, the chromatographic column 15 is provided with a first gas outlet, and the second control valve is a three-way valve. The second control valve is not connected to the interface of the chromatographic column 15 and the storage container, but is connected to the waste gas container.

[0047] Preferably, the chromatographic column 15 is provided with a first gas outlet and a first waste gas outlet, and the second control valve is a two-way valve, one end of which is connected to the first gas outlet. Furthermore, the first waste gas outlet is connected to a waste gas container.

[0048] Preferably, the radioactive gas separation and purification equipment includes a controller.

[0049] Preferably, the controller is connected to the first control valve 17, the second control valve, the detection component 16, and the temperature controller 19, respectively.

[0050] More preferably, the controller is used to control the opening and closing of the first control valve 17 and the second control valve.

[0051] More preferably, the controller is used to send instructions to the temperature controller 19, instructing the temperature controller 19 to adjust the temperature of the first separation column 11 and the second separation column 12; and to receive the detection results sent by the detection component 16.

[0052] More preferably, the first separation column 11 is provided with a second gas outlet 21 and a second waste gas outlet 22. The second separation column 12 is provided with a second separation column 12 inlet, a third gas outlet 24, and a third waste gas outlet 25. The second gas outlet 21 is connected to the gas outlet of the second separation column 12; the third gas outlet 24 is connected to the gas inlet of the chromatographic column 15.

[0053] More preferably, the radioactive gas separation and purification equipment includes a third control valve 26, a fourth control valve 27, a fifth control valve 28, a sixth control valve 29, and a seventh control valve 30, which are respectively connected to the second gas outlet 21, the third gas outlet 24, the second waste gas outlet 22, the third waste gas outlet 25, and the gas inlet of the second separation column 12.

[0054] More preferably, the controller is communicatively connected to the third control valve 26, the fourth control valve 27, the fifth control valve 28, the sixth control valve 29, and the seventh control valve 30, respectively, for controlling the opening and closing of the third control valve 26, the fourth control valve 27, the fifth control valve 28, the sixth control valve 29, and the seventh control valve 30.

[0055] More preferably, the radioactive gas separation and purification equipment includes an eighth control valve 31.

[0056] More preferably, the eighth control valve 31 is connected to the seventh control valve 30, the fourth control valve 27, and the inlet of the chromatographic column 15.

[0057] Furthermore, the control valves in this specification are all pneumatic solenoid valves or other similar valves that can be remotely controlled; however, this specification does not impose any restrictions on them.

[0058] Figure 2 A schematic diagram of the architecture of a radioactive gas separation and purification apparatus provided in one embodiment of this specification is shown below. Figure 2 As shown.

[0059] Preferably, the controller is used to send commands to the temperature controller 19, the first control valve 17, the third control valve 26, the fourth control valve 27, the fifth control valve 28, and the sixth control valve 29, so that the gas to be treated undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range, and being driven away from the stationary phase by the carrier gas in the third temperature range, respectively, in the first separation column 11 and the second separation column 12.

[0060] Preferably, the maximum value of the first temperature range is less than the minimum value of the second temperature range.

[0061] Preferably, the maximum value of the second temperature range is less than the minimum value of the third temperature range.

[0062] Preferably, the ranges of the first temperature range, the second temperature range, and the third temperature range can be determined comprehensively based on the composition of the gas to be treated, the properties of the target substance, and the composition of the carrier gas; this specification does not impose any restrictions on this.

[0063] Preferably, the carrier gas is high-purity helium, high-purity hydrogen, high-purity argon, etc., but this specification does not impose any restrictions.

[0064] Preferably, the detection component 16 includes a thermal conductivity detector, a signal amplifier, and a chromatography workstation.

[0065] Preferably, the detection component 16 can also be other structures, which are not limited in this specification.

[0066] Preferably, the pneumatic solenoid valve is a six-way pneumatic solenoid valve. Its size is 1 / 16in or 1 / 8in. More preferably, the pneumatic solenoid valve can be set and controlled via a chromatography workstation to control the gas flow rate.

[0067] Preferably, the separation column can be multiple, such as 3, 4, 5, etc.

[0068] More preferably, the diameter of the first separation column 11 is larger than the diameter of the second separation column 12. Similarly, when there are multiple separation columns, the diameter gradually decreases.

[0069] Preferably, the material of the separation column is stainless steel, copper, etc., but this specification does not impose any restrictions.

[0070] Preferably, the target substance is krypton.

[0071] Further preferred, the target substance is krypton-85.

[0072] Preferably, the device includes an insulated box.

[0073] Preferably, a signal amplifier is used to process the signal obtained after the gas exiting the chromatographic column 15 is detected by a thermal conductivity detector.

[0074] Preferably, the chromatography workstation is used to process the signal amplified by the signal amplifier. The chromatography workstation is used to set analytical parameters, such as carrier gas flow rate and incubator temperature.

[0075] Preferably, the insulated box is used to provide a constant temperature for the chromatographic column 15 and the thermal conductivity detector, and the temperature of the insulated box is controlled between 40°C and 300°C.

[0076] Preferably, the device includes a gas flow controller.

[0077] Preferably, the gas flow controller is located inside the gas carrier container 13, or at the connection point between the first control valve 17 and the gas carrier container 13.

[0078] Preferably, the gas flow controller is used to control the flow rate of the carrier gas, which is in the range of 0-200 ml / min.

[0079] The above are one or more embodiments of radioactive gas separation and purification equipment provided in this specification. Based on the same idea, this specification also provides corresponding methods for the separation and purification of radioactive gases, such as... Figure 3 As shown.

[0080] Figure 3 This is a schematic flowchart of a method for separating and purifying radioactive gases provided in this specification, as shown below. Figure 3 As shown, the method specifically includes the following steps: S800: Send instructions to the temperature controller, the first control valve, the third control valve, and the fifth control valve so that the gas to be treated in the first separation column sequentially undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range to remove impurities, and being driven away from the stationary phase by the carrier gas in the third temperature range.

[0081] Preferably, this method is performed using the radioactive gas separation and purification equipment provided in one or more of the foregoing embodiments.

[0082] Preferably, this method can be executed by a controller in the radioactive gas separation and purification equipment provided in one or more of the foregoing embodiments, or by an electronic device such as a computer or server that is communicatively connected to the radioactive gas separation and purification equipment provided in one or more of the foregoing embodiments.

[0083] S802: Based on the detection results of the detection component, if the concentration of the target substance is determined to be greater than the first preset concentration, a command is sent to the second air inlet valve so that the gas to be processed is carried into the second separation column by the carrier gas.

[0084] S804: Send instructions to the temperature controller, the fourth control valve, and the sixth control valve so that the gas to be treated in the second separation column sequentially undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range to remove impurities, and being driven away from the stationary phase by the carrier gas in the third temperature range.

[0085] S806: Based on the detection results of the detection component, if it is determined that the concentration of the target substance is greater than the second preset concentration, a command is sent to the second control valve so that the purified gas to be processed enters the storage container.

[0086] Preferably, the second preset concentration is 50 ppm.

[0087] It should be noted that all actions involving the acquisition of signals, information, or data in this application are carried out in compliance with the relevant data protection laws and policies of the country where the application is located, and with the authorization granted by the owner of the relevant device.

[0088] The above are methods for separating and purifying radioactive gases provided by one or more embodiments of this specification. Based on the same idea, this specification also provides corresponding apparatuses for separating and purifying radioactive gases, such as... Figure 4 As shown.

[0089] Figure 4 This specification provides a schematic diagram of a radioactive gas separation and purification apparatus, which specifically includes: The first purification module 900 is used to send instructions to the temperature controller, the first control valve, the third control valve, and the fifth control valve, so that the gas to be treated in the first separation column sequentially undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range to remove impurities, and being driven away from the stationary phase by the carrier gas in the third temperature range.

[0090] The first detection module 902 is used to determine, based on the detection result of the detection component, that the concentration of the target substance is greater than the first preset concentration, and to send a command to the second air inlet valve so that the gas to be processed is carried into the second separation column by the carrier gas.

[0091] The second purification module 904 is used to send instructions to the temperature controller, the fourth control valve, and the sixth control valve, so that the gas to be treated in the second separation column successively undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas to remove impurities in the stationary phase in the second temperature range, and being driven away from the stationary phase by the carrier gas in the third temperature range.

[0092] The second detection module 906 is used to determine, based on the detection result of the detection component, that the concentration of the target substance is greater than the second preset concentration, and to send a command to the second control valve so that the purified gas to be processed enters the storage container.

[0093] This specification also provides a computer-readable storage medium storing a computer program that can be used to execute the above-described... Figure 3 The provided method for separating and purifying radioactive gases.

[0094] This specification also provides a computer-readable storage medium storing a computer program that can be used to execute the above-described... Figure 3 The provided method for separating and purifying radioactive gases.

[0095] This specification also provides a computer program product in which the instructions, when executed by the processor of an electronic device, cause the electronic device to perform the above-described functions. Figure 3 The provided method for separating and purifying radioactive gases.

[0096] Figure 5 This is a schematic diagram of the structure of an electronic device provided in this specification, such as... Figure 5 As shown, at the hardware level, this electronic device includes a processor, internal bus, network interface, memory, and non-volatile memory, and may also include other hardware required for business operations. The processor reads the corresponding computer program from the non-volatile memory into memory and then runs it to achieve the above. Figure 3 The method for separating and purifying radioactive gases is described above. Of course, besides software implementation, this specification does not exclude other implementation methods, such as logic devices or a combination of hardware and software, etc. That is to say, the execution entity of the following processing flow is not limited to individual logic units, but can also be hardware or logic devices.

[0097] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0098] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0099] The above description is merely an embodiment of this specification and is not intended to limit this specification. Various modifications and variations can be made to this specification by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this specification should be included within the scope of the claims of this application.

Claims

1. A device for separating and purifying radioactive gases, characterized in that, It includes a first separation column, a second separation column, a carrier gas container, a quantitative structure, a chromatographic column, a detection component, a first control valve, a storage container, a temperature controller, and a gas container to be processed; The carrier gas container is connected to the first control valve; The gas container to be processed, the quantitative structure, the first control valve, the first separation column, the second separation column, the chromatographic column, and the storage container are connected in sequence; The quantitative structure is used to store the target volume of gas to be processed and to output the stored gas to be processed to the first control valve. The temperature controller is connected to the first separation column and the second separation column respectively, and is used to regulate the temperature inside the first separation column and the second separation column; The first separation column, the second separation column, and the chromatographic column are all filled with a stationary phase. The first separation column, the second separation column, and the chromatographic column are all used to purify the target substance in the gas to be treated based on the different adsorption rates of the stationary phase on different substances.

2. The radioactive gas separation and purification equipment according to claim 1, characterized in that, A second control valve is provided between the chromatographic column and the storage container; The chromatographic column is connected to the detection component; The detection component is used to detect the concentration of the target substance in the gas inside the chromatographic column; The second control valve can receive instructions and / or respond to user operations to connect the chromatographic column to the storage container.

3. The radioactive gas separation and purification equipment according to claim 2, characterized in that, The radioactive gas separation and purification equipment includes a waste gas container; The chromatographic column is provided with a first gas outlet; the second control valve is a three-way valve, and the second control valve is not connected to the interface of the chromatographic column and the storage container, but is connected to the waste gas container; or, The chromatographic column is provided with a first gas outlet and a first waste gas outlet. The second control valve is a two-way valve, with one end of the second control valve connected to the first gas outlet. The first waste gas outlet is connected to a waste gas container.

4. The radioactive gas separation and purification equipment according to claim 2, characterized in that, The radioactive gas separation and purification equipment includes a controller; The controller is connected to the first control valve, the second control valve, the detection component, and the temperature controller respectively; the controller is used to control the opening and closing of the first control valve and the second control valve; and to send instructions to the temperature controller to instruct the temperature controller to adjust the temperature of the first separation column and the second separation column; and to receive the detection results sent by the detection component.

5. The radioactive gas separation and purification equipment according to claim 4, characterized in that, The first separation column is provided with a second gas outlet and a second exhaust gas outlet; the second separation column is provided with a second separation column inlet, a third gas outlet, and a third exhaust gas outlet; the second gas outlet is connected to the gas inlet of the second separation column; the third gas outlet is connected to the gas inlet of the chromatographic column. The radioactive gas separation and purification equipment includes a third control valve, a fourth control valve, a fifth control valve, a sixth control valve, and a seventh control valve, which are respectively connected to the second gas outlet, the third gas outlet, the second waste gas outlet, the third waste gas outlet, and the second separation column inlet. The controller is communicatively connected to the third, fourth, fifth, sixth, and seventh control valves, respectively, and is used to control the opening and closing of the third, fourth, fifth, sixth, and seventh control valves.

6. The radioactive gas separation and purification equipment according to claim 5, characterized in that, The controller is used to send commands to the temperature controller, the first control valve, the third control valve, the fourth control valve, the fifth control valve, and the sixth control valve, so that the gas to be treated undergoes the following processes in the first separation column and the second separation column: being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range, and being driven away from the stationary phase by the carrier gas in the third temperature range.

7. A method for separating and purifying radioactive gases, characterized in that, The radioactive gas separation and purification apparatus according to claim 5 or 6 comprises: Commands are sent to the temperature controller, the first control valve, the third control valve, and the fifth control valve so that the gas to be treated in the first separation column sequentially undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range, and being driven away from the stationary phase by the carrier gas in the third temperature range. Based on the detection results of the detection component, if the concentration of the target substance is determined to be greater than the first preset concentration, a command is sent to the second air inlet valve so that the gas to be processed is carried into the second separation column by the carrier gas. Commands are sent to the temperature controller, the fourth control valve, and the sixth control valve so that the gas to be treated in the second separation column sequentially undergoes the process of being adsorbed by the stationary phase in the first temperature range, being blown away by the carrier gas in the stationary phase in the second temperature range to remove impurities, and being driven away from the stationary phase by the carrier gas in the third temperature range. Based on the detection results of the detection component, if the concentration of the target substance is determined to be greater than the second preset concentration, a command is sent to the second control valve to allow the purified gas to be processed to enter the storage container.

8. A computer-readable storage medium, characterized in that, The storage medium stores a computer program, which, when executed by a processor, implements the method described in claim 7.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the method described in claim 7.

10. A computer program product, characterized in that, When the instructions in the computer program product are executed by the processor of the electronic device, the electronic device causes the electronic device to perform the method as described in claim 7.

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