Novel nuclear radiation assessment vehicle
By designing a new nuclear radiation evaluation vehicle, the isolation structure and sample delivery pipeline between the sample preparation chamber and the evaluation chamber in the square cabin is solved, and the problem of extended sample evaluation time on the nuclear accident site is achieved, and rapid and accurate nuclear radiation evaluation is achieved.
Patent Information
- Application Number
- CN202422386483.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-29
AI Technical Summary
When a nuclear accident occurs, it is difficult to quickly conduct nuclear radiation evaluation for samples collected on site, which affects the response time of nuclear accident response decisions.
A new type of nuclear radiation evaluation vehicle is designed. The body is equipped with a square cabin. The square cabin is divided into a sample preparation cabin and an evaluation cabin through a partition wall. The two cabins are connected by sample delivery pipes to ensure the safe transmission and evaluation of samples.
It improves the maneuverability of laboratories with nuclear radiation assessment capabilities and can quickly move to the nuclear accident site for evaluation, ensuring the accuracy and timeliness of assessment results.
Smart Images
Figure CN223001435U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nuclear radiation assessment, and particularly relates to a new type of nuclear radiation assessment vehicle. Background Art
[0002] In scenarios such as nuclear energy utilization, nuclear facility operation, and nuclear accident emergency response, accurately assessing the nuclear radiation level is crucial for ensuring personnel safety and environmental health. Nuclear radiation assessment requires on-site sampling, and then the samples are transported to a laboratory for nuclear radiation detection and assessment.
[0003] Since laboratories are generally set up at fixed locations, in the event of a sudden nuclear accident, some accident sites are far from the laboratories with the ability to assess nuclear radiation. This makes it difficult to quickly assess the samples collected on-site, thus affecting the response time of the decision-making for nuclear accident response. Content of the Utility Model
[0004] Aiming at the above defects, the technical problem to be solved by the utility model is to provide a new type of nuclear radiation assessment vehicle, which can facilitate the nuclear radiation assessment work and reduce the time required for the samples collected on-site to reach a laboratory with the ability to assess nuclear radiation.
[0005] The above technical object of the utility model is achieved through the following technical solutions:
[0006] A new type of nuclear radiation assessment vehicle, including a vehicle body, a cabin is provided on the vehicle body, the cabin is divided into a sample preparation cabin and an assessment cabin by a partition wall, a first cabin door is provided on the partition wall, a second cabin door is provided on one side of the cabin, the sample preparation cabin can communicate with the outside through the second cabin door, an environmental medium sample preparation operation area is provided in the sample preparation cabin, an environmental radioactivity analysis and measurement operation area is provided in the assessment cabin, a sample delivery pipeline is provided on the partition wall or the first cabin door, on the sample delivery pipeline, both ends of the sample delivery pipeline are respectively located in the sample preparation cabin and the assessment cabin, and at least one end of the sample delivery pipeline is provided with a sealed door.
[0007] By adopting the above scheme, the vehicle body can carry the cabin and move it near the nuclear accident site, which greatly improves the mobility of the laboratory with the ability to assess nuclear radiation and can directly move to the nuclear accident site for nuclear radiation assessment work. Moreover, since the sample preparation cabin and the assessment cabin are separated by a partition wall and a first cabin door, the isolation performance between the two cabins is good, which can ensure the accuracy of the environmental radioactivity analysis and measurement assessment results in the assessment cabin. The samples prepared in the sample preparation cabin are sent into the assessment cabin through the sample delivery pipeline, effectively separating the assessment cabin and the sample preparation cabin and ensuring the accuracy of the environmental radioactivity analysis and measurement assessment results in the assessment cabin.
[0008] The present utility model is further configured such that sealed doors are provided at both ends of the sample delivery pipeline. Since sealed doors are provided at both ends of the sample delivery pipeline, when delivering samples through the sample delivery pipeline, first open the sealed door on the side of the sample preparation chamber, put the sample into the sample delivery pipeline, and then close the sealed door on the side of the sample preparation chamber; then open the sealed door on the side of the evaluation chamber and take out the sample. This can further ensure effective separation between the sample preparation chamber and the evaluation chamber, and further ensure the accuracy of the environmental radioactivity analysis and measurement evaluation results in the evaluation chamber.
[0009] The present utility model is further configured such that the sample delivery pipeline is arranged on the partition wall.
[0010] The present utility model is further configured such that the evaluation chamber and the sample preparation chamber are arranged in sequence along the direction from the head to the tail of the vehicle body, and the second hatch is arranged on the side of the shelter close to the tail of the vehicle body. The second hatch is close to the tail of the vehicle body, which is more convenient to enter the sample preparation chamber from the vehicle tail.
[0011] The present utility model is further configured such that a grinder, a sieve shaker, a film press, a muffle furnace, a temperature-controlled electric hot plate, an ultrasonic cleaner, a fume hood, a vacuum drying oven and an electronic balance are provided in the environmental medium sample preparation operation area.
[0012] The present utility model is further configured such that a dual-channel low-background α-β measuring instrument, a high-purity germanium γ-ray spectrometer and a trace uranium analyzer are provided in the environmental radioactivity analysis and measurement operation area.
[0013] The present utility model is further configured such that a passageway is provided in the shelter, one section of the passageway is located in the sample preparation chamber and the other section is located in the evaluation chamber. The muffle furnace, the ultrasonic cleaner, the fume hood, the vacuum drying oven, the electronic balance and the dual-channel low-background α-β measuring instrument are all located on one side of the passageway, and the film press, the temperature-controlled electric hot plate, the sieve shaker, the grinder, the trace uranium analyzer and the high-purity germanium γ-ray spectrometer are all located on the other side of the passageway. The overall layout is reasonable and the structure is compact, which is convenient for sample preparation and analysis work.
[0014] The present utility model is further configured such that a plurality of lifting mechanisms are provided at the bottom of the vehicle body. The vehicle body is adjusted to be in a horizontal state through the lifting mechanisms, so that the shelter is in a horizontal state, which is convenient for personnel to carry out sample preparation and evaluation work in the shelter. In addition, keeping the vehicle body in a horizontal state can ensure the use environment of the equipment for environmental radioactivity analysis and measurement, thus ensuring the accuracy of the evaluation work results.
[0015] The present utility model is further configured such that an anti-gas system is provided in the cab of the vehicle body. The anti-gas system provides fresh air to the cab and ensures overpressure in the cab at the same time.
[0016] The present utility model is further configured such that a generator is provided on the vehicle body. It is convenient to supply power to the electrical equipment through the generator.
[0017] In summary, a new type of nuclear radiation assessment vehicle provided by the utility model has at least the following beneficial effects:
[0018] 1. It improves the mobility of the laboratory with nuclear radiation assessment capabilities.
[0019] 2. The structural positions of the sample preparation chamber and the assessment chamber are reasonable, which can ensure the accuracy of the assessment results. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0021] Figure 1 It is the front view of the present utility model;
[0022] Figure 2 It is the schematic structural diagram of the interior of the shelter of the present utility model from a top-down perspective;
[0023] Figure 3 It is the right view of the shelter in the present utility model;
[0024] Figure 4 It is Figure 3 the sectional view at a-a in
[0025] Figure 5 It is Figure 3 the sectional view at b-b in
[0026] The reference numerals include: vehicle body 1, shelter 2, partition wall 3, first hatch 4, second hatch 5, grinder 6, sieve 7, film press 8, muffle furnace 9, temperature-controlled electric hot plate 10, ultrasonic cleaner 11, fume hood 12, vacuum drying oven 13, electronic balance 14, dual-channel low-background αβ measuring instrument 15, high-purity germanium γ spectrometer 16, trace uranium analyzer 17, sample delivery pipeline 18, lifting mechanism 19, collective protection system 20, generator 21, cab 22, chassis 23, aisle 24, washbasin 25, cabinet 26, printer 27, ventilation window 28, fixed window 29. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further elaborate on the present utility model in conjunction with the attached Figures 1-5 drawings and specific embodiments.
[0028] Please refer toFigures 1-5 , a new type of nuclear radiation assessment vehicle provided in this embodiment includes a vehicle body 1, on which a shelter 2 is provided. The shelter 2 is divided into a sample preparation chamber and an assessment chamber by a partition wall 3. Specifically, please refer to Figure 2 , the partition wall 3 divides the shelter 2 into two spaces on the left and right. The left side is the assessment chamber, and the right side is the sample preparation chamber. A first hatch 4 is provided on the partition wall 3, and a second hatch 5 is provided on one side of the shelter 2. The sample preparation chamber can communicate with the outside through the second hatch 5. An environmental medium sample preparation operation area is provided in the sample preparation chamber, and an environmental radioactivity analysis and measurement operation area is provided in the assessment chamber. In order to effectively separate the assessment chamber and the sample preparation chamber and ensure the accuracy of the environmental radioactivity analysis and measurement assessment results in the assessment chamber, a sample delivery pipeline 18 is provided on the partition wall 3 or the first hatch 4. Both ends of the sample delivery pipeline 18 are located in the sample preparation chamber and the assessment chamber respectively, and at least one end of the sample delivery pipeline 18 is provided with a sealed door. In this embodiment, it is preferred that the sample delivery pipeline 18 is provided on the partition wall 3. During use, equipment for environmental medium sample preparation operation is placed in the environmental medium sample preparation operation area, and equipment for environmental radioactivity measurement is set in the environmental radioactivity analysis and measurement operation area. The vehicle body 1 can carry the shelter 2 and move it near the nuclear accident site, which greatly improves the mobility of the laboratory with nuclear radiation assessment ability and can directly move to the nuclear accident site for nuclear radiation assessment work. Moreover, since the sample preparation chamber and the assessment chamber are separated by the partition wall 3 and the first hatch 4, the isolation performance between the two chambers is good, which can ensure the accuracy of the environmental radioactivity analysis and measurement assessment results in the assessment chamber. A lighting system for providing lighting in the sample preparation chamber and the assessment chamber is also provided in the shelter 2, and a fixed window 29 and an openable ventilation window 28 are provided on the side of the shelter 2.
[0029] Please refer to Figure 5 , in this embodiment, it is preferred that sealed doors are provided at both the left and right ends of the sample delivery pipeline 18. When delivering samples through the sample delivery pipeline 18, first open the sealed door on the side of the sample preparation chamber, put the sample into the sample delivery pipeline 18, and then close the sealed door on the side of the sample preparation chamber; then open the sealed door on the side of the assessment chamber, take out the sample, and finally close the sealed door on the side of the assessment chamber.
[0030] Please refer to Figure 2 , the assessment chamber and the sample preparation chamber are arranged in sequence along the direction from the head to the tail of the vehicle body 1. The second hatch 5 is provided on one side of the shelter 2 close to the tail of the vehicle body 1, that is, the second hatch 5 is provided on the right side of the shelter 2.
[0031] In some embodiments, a grinder 6, a sieve 7, a film press 8, a muffle furnace 9, a temperature-controlled electric hot plate 10, an ultrasonic cleaner 11, a fume hood 12, a vacuum drying oven 13 and an electronic balance 14 are provided in the environmental medium sample preparation operation area. The above-mentioned equipment are all equipment for environmental medium sample preparation in the prior art.
[0032] In some embodiments, a dual-channel low-background α-β measuring instrument 15, a high-purity germanium γ-ray spectrometer 16, and a trace uranium analyzer 17 are provided in the environmental radioactivity analysis and measurement operation area. The above-mentioned devices are all devices used for environmental radioactivity analysis and measurement in the prior art.
[0033] Please refer to Figure 2 , a passage 24 is provided in the cabin 2. The left section of the passage 24 is located in the evaluation cabin, and the right section is located in the sample preparation cabin. The muffle furnace 9, the ultrasonic cleaner 11, the fume hood 12, the vacuum drying oven 13, the electronic balance 14, and the dual-channel low-background α-β measuring instrument 15 are all located on one side of the passage 24, and the laminating machine 8, the temperature-controlled electric hot plate 10, the sieve 7, the grinder 6, the trace uranium analyzer 17, and the high-purity germanium γ-ray spectrometer 16 are all located on the other side of the passage 24. In order to facilitate the placement of the devices for environmental radioactivity analysis and measurement and the devices for environmental medium sample preparation, two rows of cabinets 26 are also provided on both sides of the passage 24 in the cabin 2. For the specific distribution positions of the muffle furnace 9, the ultrasonic cleaner 11, the fume hood 12, the vacuum drying oven 13, the electronic balance 14, and the dual-channel low-background α-β measuring instrument 15, please refer to Figure 4 , and for the specific positions of the laminating machine 8, the temperature-controlled electric hot plate 10, the sieve 7, the grinder 6, the trace uranium analyzer 17, and the high-purity germanium γ-ray spectrometer 16, refer to Figure 5 . Among them, the muffle furnace 9, the vacuum drying oven 13, and the ultrasonic cleaner 11 are all arranged on the cabinet 26 on one side of the passage 24, and the laminating machine 8, the temperature-controlled electric hot plate 10, the sieve 7, and the grinder 6 are all arranged on the cabinet 26 on the other side of the passage 24. In addition, please refer to Figure 2 , for the convenience of cleaning, a washbasin 25 is also provided in the cabin 2, and the washbasin 25 is located between the fume hood 12 and the electronic balance 14. For the convenience of printing, a printer 27 is also provided on the right side of the measuring instrument.
[0034] Please refer to Figure 1 , a plurality of lifting mechanisms 19 are provided at the bottom of the vehicle body 1, preferably four are provided, and the positions of the four lifting mechanisms 19 correspond to the four corners of the lower side of the cabin 2. The lifting mechanisms 19 are fixed to the bottom of the chassis 23 of the vehicle body 1, and the working ends of the lifting mechanisms 19 can be vertically telescoped. When the working ends of the lifting mechanisms 19 vertically extend, the chassis of the vehicle body 1 can be jacked up, and the lifting distances of the four lifting mechanisms 19 are adjusted respectively, so as to adjust the levelness of the vehicle body 1.
[0035] A collective protection system 20 is provided in the cab 22 of the vehicle body 1. The collective protection system 20 is a prior art. The collective protection system 20 is used to provide fresh air to the cab 22 and ensure overpressure in the cab 22. Among them, the air intake unit in the collective protection system 20 is arranged on the vehicle body 1 and is located outside the cab 22 of the vehicle body 1. A generator 21 is provided on the vehicle body 1, and the generator 21 supplies power to the electrical equipment on the vehicle body 1.
[0036] It should be noted that the words indicating directions in this text, such as up and down, etc., are all set in the direction of Figure 1 , only for the convenience of description and do not have any other specific meanings.
[0037] It should also be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that an article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the article or device comprising the above elements.
[0038] In this text, specific examples are used to elaborate on the principle and implementation mode of the present utility model. The description of the above embodiments is only used to help understand the core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.
Claims
1. A new type of nuclear radiation assessment vehicle, characterized in that: The invention comprises a vehicle body (1), wherein a cabin (2) is provided on the vehicle body (1), wherein a sample preparation cabin and an evaluation cabin are separated by a partition wall (3) in the cabin (2), wherein a first cabin door (4) is provided on the partition wall (3), and a second cabin door (5) is provided on one side of the cabin (2), wherein the sample preparation cabin can be connected to the outside through the second cabin door (5), wherein an environmental medium sample preparation operation area is provided in the sample preparation cabin, and an environmental radioactivity analysis and measurement operation area is provided in the evaluation cabin, wherein a sample delivery pipeline (18) is provided on the partition wall (3) or the first cabin door (4), wherein two ends of the sample delivery pipeline (18) are respectively located in the sample preparation cabin and the evaluation cabin, and wherein at least one end of the sample delivery pipeline (18) is provided with a sealed door.
2. A novel nuclear radiation assessment vehicle as claimed in claim 1, characterized in that: Both ends of the sample delivery pipeline (18) are provided with sealed doors.
3. A novel nuclear radiation assessment vehicle as claimed in claim 2, characterized in that: The sample delivery pipeline (18) is arranged on the partition wall (3).
4. A novel nuclear radiation assessment vehicle as claimed in claim 1, characterized in that: The evaluation cabin and the sample preparation cabin are distributed in sequence from the head to the tail of the vehicle body (1), and the second cabin door (5) is arranged on one side of the cabin (2) close to the tail of the vehicle body (1).
5. A novel nuclear radiation assessment vehicle as described in any one of claims 1 to 4, characterized in that: The environmental medium sample preparation operation area is provided with a grinder (6), a sifter (7), a film press (8), a muffle furnace (9), a temperature-controlled electric heating plate (10), an ultrasonic cleaning machine (11), a fume hood (12), a vacuum drying oven (13) and an electronic balance (14).
6. A novel nuclear radiation assessment vehicle as claimed in claim 5, characterized in that: A dual-path low-background αβ measuring instrument (15), a high-purity germanium γ spectrometer (16) and a trace uranium analyzer (17) are arranged in the environmental radioactivity analysis and measurement operation area.
7. A novel nuclear radiation assessment vehicle as claimed in claim 6, characterized in that: The cabin (2) is provided with a corridor (24), one section of the corridor (24) is located in the sample preparation cabin, and the other section is located in the evaluation cabin. The muffle furnace (9), ultrasonic cleaning machine (11), fume hood (12), vacuum drying box (13), electronic balance (14) and dual-channel low-background αβ measuring instrument (15) are all located on one side of the corridor (24), and the laminating machine (8), temperature-controlled electric heating plate (10), sifter (7), grinder (6), trace uranium analyzer (17) and high-purity germanium γ spectrometer (16) are all located on the other side of the corridor (24).
8. A novel nuclear radiation assessment vehicle as claimed in claim 1, characterized in that: A plurality of lifting mechanisms (19) are provided at the bottom of the vehicle body (1).
9. A novel nuclear radiation assessment vehicle as claimed in claim 1, characterized in that: A defense system (20) is provided in the driving cab (22) of the vehicle body (1).
10. A novel nuclear radiation assessment vehicle as claimed in claim 1, characterized in that: The vehicle body (1) is provided with a generator (21).