A detection warehouse transfer system based on nuclear fuel graphite sample testing

Abstract

The application relates to a detection warehouse transfer system based on nuclear fuel graphite sample testing, which comprises a first detection system, a second detection system, a sample connection platform, an AGV conveying trolley, a graphite carrier, a first intelligent warehouse and a second intelligent warehouse, the first detection system comprises a graphite powder loose bulk density detector, a falling ball test device, a crushing load test device, a wear test device, a graphite ball density detection device, a corrosion test device, a thermal analysis test device, an equivalent detection device, a uranium pollution rate and Li content detection device and the like, and the second detection system comprises a pneumatic transmission device, a coating detection device, a loose layer density detection device, a core detection device, a central control analysis detection device and a particle density detection device. The application has the beneficial effects that the automatic warehouse circulation of the graphite samples in the forms of spheres and powders can be adapted to the detection of various detection devices, the detection efficiency of the graphite samples is improved, and wall surface repeated detection and missed detection are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of detecting material flow transfer system, and particularly relates to a detection warehouse transfer system based on nuclear fuel graphite sample testing. BACKGROUND

[0002] Nuclear fuel graphite spheres are key materials for building high-temperature gas cooled reactors, fast reactors and other new generation nuclear power plants, and nuclear grade graphite powder is the base material of spherical fuel elements. The high-temperature gas cooled reactor spherical fuel element is composed of a fuel zone and a non-fuel zone, and the diameter is 60mm. The fuel zone is a sphere with a diameter of about 50mm with fuel particles dispersed in the graphite matrix, and the non-fuel zone is a graphite sphere shell with a thickness of about 5mm outside the fuel zone. The fuel particles are TRISO type, the center is a ceramic uranium dioxide core, and the outer layer is a loose pyrolytic carbon layer, an inner dense pyrolytic carbon layer, a silicon carbide layer and an outer dense pyrolytic carbon layer from inside to outside.

[0003] After the production of the nuclear fuel graphite sphere sample, it needs to be detected by various detection devices to obtain the physical and chemical performance data of the graphite sample. Since there are various types of samples in the testing process, different types of samples need to be detected by different detection procedures. The existing sample flow transfer is in the form of manual feeding, which not only reduces the detection efficiency, but also is prone to missed detection and repeated detection. Therefore, a detection warehouse transfer system based on nuclear fuel graphite sample testing is needed. SUMMARY

[0004] The purpose of the present application is to provide a detection warehouse transfer system based on nuclear fuel graphite sample testing, which can adapt to the automatic warehouse flow transfer of various types of graphite samples to various detection devices for detection, and improve the detection efficiency and wall surface repeated detection and missed detection of the graphite sample.

[0005] In order to achieve the above object, the present application provides the following technical scheme: a detection warehouse transfer system based on nuclear fuel graphite sample testing, comprising a first detection system, a second detection system, a sample connection platform, an AGV conveying trolley, a graphite carrier, a first intelligent warehouse and a second intelligent warehouse, the first detection system comprises a graphite powder loose bulk density detector, a falling ball test device, a crushing load test device, a wear test device, a graphite ball density detection device, a corrosion test device, a thermal analysis test device, an equivalent detection device, a uranium pollution rate and Li content detection device, a surface uranium detection device, a graphite ball breakage detection device, a free uranium detection device, a graphite ball roasting device, a graphite ball weighing device, a particle burning device, a graphite ball chemical treatment device, a particle chemical treatment device and a particle weighing device, the second detection system comprises a pneumatic conveying device, a coating detection device, a loose layer density detection device, a core detection device, a central control analysis detection device and a particle density detection device, the graphite carrier is conveyed and circulated in the first detection system, the second detection system, between the first intelligent warehouse and the sample connection platform and the first detection system, between the second intelligent warehouse and the sample connection platform and the second detection system through the AGV trolley.

[0006] Further, the AGV trolley is fixedly connected with a mechanical hand on the side of the tray.

[0007] Further, the graphite carrier comprises a seat plate, and a plurality of positioning cylinders are fixedly connected to the seat plate.

[0008] Further, the plurality of positioning cylinders are arrayed on the seat plate.

[0009] Further, the sample connection platform comprises a base and a plurality of shelves fixed to the base, and the shelves are multi-layer shelves.

[0010] Further, each multi-layer shelf is fixedly connected with a positioning block.

[0011] The present application has the advantages that it can adapt to the automatic warehouse circulation of various types of graphite samples to various detection devices for detection, improve the detection efficiency of graphite samples and reduce wall surface repeated detection and missed detection. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a schematic diagram of the first detection system of the present application.

[0013] Fig. 2 It is a schematic diagram of the second detection system of the present application.

[0014] Fig. 3 It is an AGV calling flowchart of the present application. DETAILED DESCRIPTION

[0015] In order to make the objects, technical solutions and advantages of the present application clearer, further detailed description will be made to the present application in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0016] Referring to Figs. 1-3 The detection warehouse transfer system based on nuclear fuel graphite sample testing shown in the figure comprises a first detection system, a second detection system, a sample connection platform, an AGV conveying trolley, a graphite carrier, a first intelligent warehouse and a second intelligent warehouse. The first detection system comprises a graphite powder loose bulk density detector, a falling ball test device, a crushing load test device, a wear test device, a graphite ball density detection device, a corrosion test device, a thermal analysis test device, an equivalent detection device, a uranium pollution rate and Li content detection device, a surface uranium detection device, a graphite ball breakage detection device, a free uranium detection device, a graphite ball roasting device, a graphite ball weighing device, a particle burning device, a graphite ball chemical treatment device, a particle chemical treatment device and a particle weighing device. The second detection system comprises a pneumatic conveying device, a coating detection device, a loose layer density detection device, a core detection device, a central control analysis detection device and a particle density detection device. The graphite carrier is conveyed and circulated in the first detection system, the second detection system, between the first intelligent warehouse and the sample connection platform and the first detection system, between the second intelligent warehouse and the sample connection platform and the second detection system by the AGV trolley.

[0017] The AGV trolley is fixedly connected with a mechanical hand beside the tray, and the mechanical hand is used for feeding and discharging the graphite carrier.

[0018] The graphite carrier comprises a seat plate, and a plurality of positioning cylinders are fixedly connected to the seat plate. The positioning cylinders can adapt to the positioning and storage of two types of graphite samples.

[0019] The plurality of positioning cylinders are arrayed on the seat plate.

[0020] The sample connection platform comprises a base and a plurality of shelves fixed to the base. The sample connection platform can transit and buffer the graphite carrier. The shelves are multi-layer shelves.

[0021] Each of the multi-layer shelves is fixedly connected with a positioning block. The positioning block can limit the graphite carrier to prevent misalignment of the graphite carrier.

[0022] The working principle of the present application is that: when the present application is used, the graphite sample is detected by the first detection system and the second detection system, different types of graphite samples are loaded on the graphite carrier, at the first detection system, the graphite sample is sampled from the graphite sampling point by the AGV trolley and transported to the first intelligent warehouse for classification and storage, when detecting, the specified sample is called out by the first intelligent warehouse, and is sent to the graphite powder loose bulk density detector, the falling ball test device, the crushing load test device, the wear test device, the graphite ball density detection device, the corrosion test device, the thermal analysis test device, the equivalent detection device, the uranium pollution rate and Li content detection device or the free uranium detection device for detection, the graphite sample after the falling ball detection, the crushing load test, the wear test, the density test, the corrosion test and the thermal analysis test is transported to the material receiving place of the first intelligent warehouse by the AGV, and the detected sample is transported to the corresponding warehouse position by the sorting mechanism of the first intelligent warehouse, the sample after the equivalent test is transported to the graphite ball weighing device by the AGV from the equivalent detection device for weighing, and the weighed sample and the sample after the uranium pollution rate and Li content detection are transported to the graphite ball roasting device and the graphite ball chemical treatment device in turn for detection, and finally the sample is transported to the sample connection table by the AGV, and the sample on the sample connection table is subsequently transported to the surface uranium detection device and the graphite ball breakage detection device for detection, the sample after the surface uranium detection device detection is returned to the sample connection table, and the sample after the graphite ball breakage detection device is transported to the particle burning device and the particle chemical treatment device in turn by the AGV trolley for detection and chemical treatment, and the sample after the detection and treatment is transported to the sample connection table, wherein the corresponding sample can also be directly called from the sample connection table to the particle weighing device for weighing and then sent to the particle chemical treatment device for treatment, and the sample after the free uranium detection is transported to the graphite ball roasting device and the graphite ball chemical treatment device in turn by the AGV for detection, and finally the sample is returned to the sample connection table.

[0023] At the second detection system, the graphite sample is sampled from the graphite sampling point by the AGV trolley and transported to the second intelligent warehouse for classification and storage, then the sample is transported from the discharge port of the second intelligent warehouse to the pneumatic conveying device and the sample connection table by the AGV, then the sample at the discharge end of the pneumatic conveying device is transported to the loose layer density detection device, the core detection device, the central control analysis detection device and the particle density detection device respectively by the AGV for detection, the coating detection device is transferred from the sample connection table by the AGV, and various types of samples after the coating detection device, the loose layer density detection device, the core detection device, the central control analysis detection device and the particle density detection device are transported to the second intelligent warehouse by the AGV for storage, and the samples detected by the first intelligent warehouse and the second intelligent warehouse are transported to the sample return point.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "connected", "linked", "fixed" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The above examples are used to further illustrate the present application, but do not limit the present application to these specific embodiments. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be understood as within the protection scope of the present application.

Claims

1. A detection warehousing transfer system based on a nuclear fuel graphite sample test, characterized by: The graphite sample is sampled from the graphite sampling point by the AGV small car at the first detection system and transported to the first intelligent warehouse for classified storage, when the detection is carried out, the specified sample is called out by the first intelligent warehouse, and the AGV small car is sent to the graphite powder bulk density detector, the ball test device, the crushing load test device, the wear test device, the graphite ball density detection device, the corrosion test device, the thermal analysis test device, the equivalent detection device, the uranium pollution rate and Li content detection device or the free uranium detection device for detection, the sample after the ball test, the crushing load test, the wear test, the density test, the corrosion test and the thermal analysis test is transported to the receiving place of the first intelligent warehouse by the AGV, and the sample after the detection is transported to the corresponding warehouse position by the sorting mechanism of the first intelligent warehouse, the sample after the equivalent test is transported from the equivalent detection device to the graphite ball weighing device by the AGV for weighing, and the sample after the weighing and the sample after the uranium pollution rate and Li content detection are transported to the graphite ball roasting device and the graphite ball chemical treatment device in sequence for detection, finally, the sample is transported to the sample docking station by the AGV, the sample on the sample docking station is subsequently transported to the surface uranium detection device and the graphite ball breakage detection device for detection, the sample after the surface uranium detection device detection is returned to the sample docking station, the sample after the graphite ball breakage detection device is transported to the particle burning device and the particle chemical treatment device in sequence by the AGV small car for detection and chemical treatment, and the sample after the detection and treatment is transported to the sample docking station, wherein the corresponding sample can also be directly called from the sample docking station to the particle weighing device for weighing and then sent to the particle chemical treatment device for treatment, and the sample after the free uranium detection is transported to the graphite ball roasting device and the graphite ball chemical treatment device in sequence by the AGV for detection, and finally the sample is returned to the sample docking station.At the second detection system, the graphite samples are sampled from the graphite sampling point by the AGV and transported to the second intelligent warehouse for classified storage, then the samples are transferred from the discharge port of the second intelligent warehouse to the pneumatic conveying device and the sample docking table by the AGV, then the samples at the discharge end of the pneumatic conveying device are transferred to the loose layer density detection device, the core detection device, the central control analysis detection device and the particle density detection device by the AGV for detection, the coating detection device is transferred from the sample docking table by the AGV, and various samples detected by the coating detection device, the loose layer density detection device, the core detection device, the central control analysis detection device and the particle density detection device are transported to the second intelligent warehouse for storage by the AGV, and the samples detected by the first intelligent warehouse and the second intelligent warehouse are transported to the sample return point.

2. The detection warehouse transfer system based on the nuclear fuel graphite sample test according to claim 1, characterized in that: The tray of the AGV is fixedly connected with a mechanical arm on the side.

3. The detection warehouse transfer system based on nuclear fuel graphite sample testing according to claim 1, characterized in that: The graphite carrier comprises a seat plate, and a plurality of positioning cylinders are fixedly connected to the seat plate.

4. The detection warehouse transfer system based on the nuclear fuel graphite sample test of claim 3, wherein: The plurality of positioning cylinders are arrayed on the seat plate.

5. The detection warehouse transfer system based on nuclear fuel graphite sample testing according to claim 1, characterized in that: The sample connection platform comprises a base and a plurality of racks fixed to the base, and the racks are multilayer racks.

6. The detection warehouse transfer system based on nuclear fuel graphite sample test according to claim 5, characterized in that: Each of the multilayer racks is fixedly connected with a positioning block.

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