24results about "Shielded cells" patented technology

This utility model discloses a partition device for handling nuclear waste in nuclear power plants, including a left sealing plate and a right sealing plate. The left and right sealing plates are respectively connected to a rotating shaft and then to a left connecting rod I and a right connecting rod I respectively via pins. The left and right connecting rods I are respectively connected to rocker arms A and B, which are linked to each other via left and right connecting rods II. The rocker arms are connected to a spindle, and the other end of the spindle is connected to a corner box. The driving gear of corner box A is connected to the spindle, and the driven gear is connected to a transmission shaft. The transmission shaft is connected to the driving gear of corner box B, and the driven gear of corner box B is connected to the drive shaft of a reduction gearbox. The upper and lower ends of the device are connected to pipes via fasteners. This utility model is suitable for the safe hoisting of irregularly shaped objects in nuclear facilities, and has the comprehensive advantages of precise angle adjustment, dynamic sealing protection, and optimized working space. Furthermore, all components are highly reliable, have a long service life, and possess characteristics such as shock resistance and radiation resistance.

The present disclosure relates to a system (1) for a sealed junction, comprising: a wall (2); a door (3); a locking device (5); and a safety device.

The present invention relates to a radiation shield (1) for protecting an operator from ionizing radiation, the shield (1) comprising a front wall structure (2) made of one or more radiation-resistant materials and a side wall structure (3) made of one or more radiation-resistant materials, which are connected to each other at a vertical or substantially vertical corner edge (4), the shield (1) comprising a base (5) equipped with wheels (6) resting on the ground. Furthermore, according to the invention, the shield (1) is characterized in that the front wall structure (2) comprises a lower portion (21) and an upper portion (22) movable relative to each other, the upper portion (22) of the front wall structure (2) being mounted to pivot about a vertical or substantially vertical pivot (7) in the region of the corner edge (4).

The utility model relates to glove box technical field discloses a kind of anti-radiation negative pressure glove box, including glove box main body, box seat and first purification group, the glove box main body bottom is fixedly connected at the box seat top, the first purification group is located in the box seat inside, the first purification group includes prefiltering box, adsorption tank and anti-radiation filter box, the adsorption tank top is equipped with heating tank, the adsorption tank top integrally connected with ventilation pipe, the ventilation pipe top is fixedly connected in the heating tank bottom, the utility model is closed by control valve and air supply pipe, and then the second T-shaped pipe at the bottom of adsorption tank is closed, so that the inside of adsorption tank is closed, start heating tank, fan and heater run, fan runs and generates suction, external air is sucked into heating tank to form wind body, wind body passes through heater and drives heat to enter adsorption tank through ventilation pipe, and active carbon layer is dried.

Cell flange (200) comprising an annular flange body (201) with a main axis (AX) and arranged to be fixed to a wall (100) of a cell, the flange body (201) defining an internal passage (202), the flange (200) having a cell door (220) capable of selectively closing the internal passage (202) and a set of external lugs (203-206) projecting radially internally from a circumferential wall (208) of the flange (200) to form an external bayonet connection, the cell door (220) comprising a set of internal lugs (223-226) capable of forming an internal bayonet connection, the flange (200) comprising a locking device (240) for locking and unlocking the cell door (220) to the flange body (201), the locking device comprising a bolt (241) carried by the cell door (220) and which is mounted to rotate relative to the cell door (220) to cooperate with a strike plate (243) carried by the flange body (201),wherein the cell door (220) includes a coupling device (250) rotatably mounted about the main axis (AX), and the flange (200) includes a transmission (260) arranged to transmit rotation from the coupling device (250) to the first bolt (241). Figure for the abbreviation: Figure 4,

This invention discloses a series-connected autonomous glove box and item sealing system for the nuclear industry. It addresses the problems of inefficient process connections in single-box glove boxes, susceptibility of drive components to radiation interference, high radiation risk during manual operation, and insufficient item transfer and sealing isolation in nuclear material handling scenarios within the nuclear industry. The system adopts a dual-box series structure, featuring external radiation shielding for the drive unit and a dual-box series connection to expand the operational process. It offers autonomous operation and strong radiation isolation; the system includes an in-box robotic arm for autonomous grasping and placement, a radiation-shielded conveyor belt for cross-box transfer, and automatic sealing at the end. This invention achieves fully autonomous handling of nuclear materials from grasping and cross-box transfer to sealing isolation, accurately adapting to the high-radiation environment of nuclear material handling scenarios in the nuclear industry. It offers high operational safety, efficient process connections, and can reliably complete the safe handling and sealing of nuclear materials.

The application provides a circular slip ring type metering detection system, which can detect batches of four corners of materials through cooperation of a material grabbing assembly and a detection assembly, can detect CT of four corners of the materials, can detect CT of the rest of the materials in all directions, is more comprehensive in detection, can perform laser measurement and analysis on battery cores, and has the advantages that the transfer assembly is used in cooperation with the material grabbing assembly, the first electric push rod, the second electric push rod and the translational transfer table are used in cooperation when the materials are transported in and out, the structure is simple, the materials can be efficiently transferred, radiation in the lead house cannot overflow through the transfer window, and safety is higher, the material grabbing assembly can not only transfer the materials to the detection assembly, but also can control the materials to rotate and turn, multi-angle detection of the materials is realized under the premise of high integration, and the production cost of the detection system is reduced.

The invention relates to a method of operating a medical surveillance system for handling and / or surveilling at least one object in a medical operation room, wherein in the at least one object being surgical instruments and / or animal or human tissue (65) located in a storage box (60), the method comprising the following steps: • - placing the at least one object on a tray (30), wherein the tray (30) is a screen comprising one or more lighting elements, • - taking at least a first picture of the at least one object on the tray (30) at a first point in time, • -identifying the at least one object in the first picture, • - generating at least a first data set comprising data relating to the at least one object identified in the at least first picture. The invention relates further to a method of retrieving a data set and to a corresponding apparatus.

The invention relates to a target transport system (1) for a radionuclide generation system, comprising: - a conduit (5) for transporting irradiation targets (7) through the radionuclide generation system; - a target drive system (9) configured to drive the irradiation targets (7) through the conduit (5); - a counting system (12) configured to count the number of irradiation targets (7) passing through the conduit (5). The counting system (12) comprises at least two distance sensors (15), each distance sensor being configured for measuring a radial distance (d1, d2) between the distance sensor (15) and an irradiation target (7), and being arranged at the same axial position along the conduit (5) and regularly spaced at a constant angular distance along the circumference of the conduit (5).

This utility model discloses a neutron analysis device, relating to the field of radiation detection equipment technology. The neutron analysis device includes a support frame and a detection device and a radiation source mounted on the support frame. A channel is formed between the detection device and the radiation source along a first direction. The detection device includes a first shielding module and a detector. The first shielding module has a first shielding cavity extending along a second direction on one side facing the channel, and the detector is located in the first shielding cavity. The radiation source includes a second shielding module and a neutron generator. The second shielding module has a second shielding cavity extending along a second direction on one side facing the channel, and the neutron generator is located in the second shielding cavity and is positioned opposite to the detector. The thickness of the first shielding module decreases from the middle of the detector to both sides in the first direction. The second direction intersects the first direction. This arrangement can significantly reduce the amount of shielding material used, thereby significantly reducing the volume and weight of the neutron analysis device.

An apparatus comprises a cell with one or more wall panels, a floor, a ceiling, and one or more openings. The cell contains one or more components comprising a dexterous manipulator with at least one articulating robotic arm and a manipulator carriage. The manipulator carriage is coupled to rails and may traverse the cell length. The cell contains a boom with a proximal end, a distal end, and articulating links comprising two or more segments that fold back onto each other within the cell or extend partially or fully through one of the one or more cell openings. The cell also contains a boom carriage (coupled to the proximal end of the boom), boom rails, and a base. The boom carriage may traverse the boom rails in the cell or remain fixed to the base. One or more end effectors are coupled to the distal end of the boom.

The present application belongs to the technical field of irradiation processing matching equipment, and particularly relates to a radiation shielding device of an electron irradiation accelerator room. The radiation shielding device comprises a shielding cover for shielding a working area of a device under the electron irradiation accelerator, the shielding cover has a plurality of windows for inputting or outputting products into or out of the shielding cover; the radiation shielding device further comprises a conveyor belt, at least a part of the conveyor belt extends into the shielding cover along the window in a working state; and a sealing structure is arranged at the window, the sealing structure comprises a sealing plate for opening and closing the window, the window is in an open state in a working state; and a triggering mechanism is started, the conveyor belt moves out of or into the shielding cover, and the sealing plate is started to close the window. By adopting the movable conveyor belt, the conveyor belt can be moved out of the shielding cover or moved into the shielding cover after a person mistakenly enters the electron irradiation accelerator room, and then the window is closed by the sealing plate, the risk source diffusion is blocked, and the radiation damage and poisoning risk of the person are effectively reduced.

A system for leak testing a restricted access barrier system (RABS) with gloves includes a leak testing system capable of detecting presence of leak in a glove of the RABS. The system includes a coupling system configured to couple the leak testing system to the RABS to allow leak testing on the glove. The coupling system includes a headspace reducer that is configured to occupy a space when deployed to reduce a headspace within the glove.

The present invention relates to the technical field of the nuclear industry, and in particular to a multi-tool general coupling system and a handling method for treating a radioactive package. The system includes a main clamp, including a claw disc and a clamping finger; and an auxiliary clamp, including clamps and interfaces, where when the main clamp cannot complete the specific operation, the matched clamping finger is coupled to each interface to execute the specific operation, ensuring that a bucket container is safely hoisted and released. And through the quick connection of the main clamp and the auxiliary clamp, safe transfer is achieved and the replacement time is reduced.

A protective structure and control method for an X-ray micro-trace detection device include a first cover, a second cover, a third cover, a base pit, a base plate, a rotating mechanism, a base, a vibration isolation mechanism, and bearings. The first cover, second cover, and third cover are nested concentrically and coaxially. The first cover is the innermost cover. A first entrance channel is provided on the cylindrical side wall of the first cover. The second and third covers, at the same position relative to the first cover, respectively, have a second entrance channel and a third entrance channel of the same size as the first entrance channel. The second cover is placed outside the first cover, and its bottom is rotatably mounted on the base plate via bearings. The base plate is installed in the base pit, and the rotating mechanism is mounted on the base plate to drive the second cover to rotate. The third cover is placed outside the second cover, and its bottom is fixedly mounted on a plate structure in the base pit. The second cover has an opening position and a closing position.

The present invention relates to a shielding chamber for an accelerator and a construction method and a treatment method therefor. The construction method includes: step a: assembling a plurality of prefabricated molds to form a circumferential wall frame; step b: injecting a building material into the circumferential wall frame to form a circumferential wall of the shielding chamber; step c: assembling a plurality of prefabricated molds to form a top wall frame on the circumferential wall; and step d: injecting a building material into the top wall frame to form a top wall of the shielding chamber, wherein the top wall together with the circumferential wall encloses an inner space for placing the accelerator.

A fluidtight transfer device for transferring objects from a flexible container (80) containing objects (21) to a cell, this device comprising: – a cell flange (2); – a container flange (3) delimiting a transfer path (30) connecting a feed end (31) of the container flange (3) and a discharge end (32) of the container flange (3); the container (80) comprising a wall (82) which at least partially extends into the transfer path (30) and is fluidtightly connected to the container flange (3) by clamping of the wall (82) against a clamping face, secured to the container flange (3), by means of a clamping force applied in an essentially axial direction.

The present invention relates to a transfer system (S1) for sealing an enclosure defining a first closed volume and having at least one sealing connection device (D) for connecting to a second closed volume, the transfer system being intended to be arranged in the enclosure and fastened to the walls of the enclosure, the transfer system (S1) having a chute (14) and a hinging device (20) fixed inside the enclosure, the hinging device having two arms (22, 24) and three pivotal hinges (26, 28, 30) and three motors.

This invention discloses a shielded wall penetrating pipe and nuclear facility building, enabling detectors to enter and exit the shielded room during the operation of process equipment without compromising the shielding effect. The shielded wall penetrating pipe includes a pipe body. The pipe body is embedded within the shielding wall of the shielded room. A first end of the pipe body communicates with the interior of the shielded room, and a second end communicates with the exterior of the shielded room, allowing detectors to enter and exit the shielded room through the pipe body. The pipe body is helical in shape, and its bending angle satisfies the condition that rays entering the pipe body from its first end in any direction all strike the shielding wall.

The present invention provides a target irradiation system that allows the target to be removed from the irradiation device and the radioactive isotope to be quickly dissolved in a dissolution device, and a method for recovering radioactive isotopes from a solid target. [Solution] The transport device 22 transports the solid target 10 from the target irradiation device 20, where the charged particle beam B is irradiated onto the solid target 10, to the dissolution device 21, which recovers the radioactive isotopes. Here, the target irradiation device 20 and the dissolution device 21 are located in a cyclotron chamber 152 provided in the building 150. Therefore, both the process of irradiating the solid target 10 with a charged particle beam and the process of recovering the radioactive isotopes by dissolution are performed in the cyclotron chamber 152. Thus, the solid target 10 can be removed from the target irradiation device 20 and the radioactive isotopes can be quickly dissolved in the dissolution device 21.

The present invention provides systems, apparatuses, and methods for treating containerized waste, such as hazardous, radioactive, and / or mixed waste. The apparatuses and methods employ a combination of thermal decomposition and a specialized lance.