62 results about "Hot cell" patented technology

The utility model relates to a high-efficiency air supply and exhaust device of an artificial nuclear medicine split charging hot chamber cabinet. The air supply and exhaust efficiency is improved. Comprising an air supply and exhaust top chamber and a shielding sub-packaging middle heat chamber shielding in-out lower heat chamber which is respectively provided with a sealing protection front door, a static pressure air supply box and an exhaust fan box which are arranged in the air supply and exhaust top chamber in parallel are respectively downwards communicated with an air supply port close to the sealing protection front door at the upper part in the shielding sub-packaging middle heat chamber shielding in-out lower heat chamber through a non-return air supply pipeline; and an exhaust outlet which is far away from the sealing protection front door and is provided with an activated carbon filter at the lower part in the shielding split charging middle hot chamber and the shielding in-out lower hot chamber is downwards communicated through a non-return exhaust pipeline. The device has the advantages that the quality of exhausted air is guaranteed, air in the hot chamber is prevented from overflowing when the door is opened, and nuclide pollution of the air in the hot chamber can be kept at a reasonable low level through adsorption of internal circulating airflow.

The invention relates to the technical field of radioactive metal waste treatment, and provides radioactive metal waste smelting equipment which comprises a crucible and a desalting device, and the crucible comprises a split crucible used for containing radioactive metal waste; the desalting device comprises a collecting cavity communicated with the split crucible, the collecting cavity is located above the split crucible, and the collecting cavity is used for collecting salt substances evaporated in the heating process of the radioactive metal waste; wherein the crucible is detachably connected with the desalting device. The crucible is detachably connected with the desalting device, after smelting is finished, the crucible can be separated from the desalting device, and a metal ingot can be conveniently taken out from the crucible, so that the crucible can be disassembled, assembled, loaded and unloaded through remote operation such as a mechanical arm in a hot chamber environment, and the desalting device can be used for collecting salt substances and removing salt substances. And the device can be used for sealing the split crucible and can be used for sealing the split crucible, the structure is simplified, desalting, melting, alloying, curing and other functions are integrated, and the technological process is simplified.

A sterilization system for a radiopharmaceutical product comprising a hot cell disposed within a clean room environment. A sterilization shaft extends between a first end and a second end and defines an interior. The first end of the shaft is disposed within the hot cell and the second end of the shaft is disposed externally to the clean room. An electron beam accelerator assembly is disposed within the interior of the sterilization shaft so that an emission end of the electron beam accelerator is adjacent the first end of the sterilization shaft.

The invention provides a preparation device of a heat source assembly. The heat source assembly includes a source core and a first enclosure including a first shell and a first cover. The preparation device comprises a rack, a measurement module, an assembly table, a welding module and a first transfer module. The measuring module is arranged on the rack and used for measuring the size of the source core. The assembling table is arranged on the rack, and a first shell is placed on the assembling table. The welding module is arranged on the rack and used for welding the assembled first shell and the first cover into a first cladding. And the first transfer module is movably arranged on the rack, and the first transfer module is used for transferring the measured source core into the first shell on the assembly table, assembling the first cover body and the first shell, and transferring the assembled first shell and the first cover body to the welding module. According to the preparation device, the automation degree of the preparation device can be improved, the production efficiency of the heat source assembly is improved, and the risk of large-scale radiation pollution on the surface of the hot chamber is reduced.

A radiopharmaceutical dispensing device for controlling waste liquid splashing, relating to the technical field of radiopharmaceutical dispensing equipment, employs a shell, a protective support, and a retraction device. The shell has a notch on its side wall. The protective support is located at the notch and extends into the shell. The protective support includes two side plates and a base plate and a back plate disposed between the two side plates. The base plate, back plate, and two side plates form a side opening corresponding to the notch. The retraction device is disposed between the two side plates and includes a base on the base plate. A platform is slidably connected to the base, and the platform is equipped with an anti-tipping device. This invention allows the sliding platform to retract the waste liquid bottle into the protective support, preventing waste liquid from splashing into the protective support, avoiding contamination of the hot chamber, and eliminating safety risks. When the waste liquid bottle is full, it can be pulled out for easy replacement.

The utility model provides a power manipulator recovery mechanism and a nuclear decommissioning component dismantling device, and relates to the technical field of nuclear decommissioning treatment.The power manipulator recovery mechanism comprises a guide rail, a pushing piece, a pulling assembly and a connecting rope, the guide rail is horizontally arranged in a hot chamber, one end of the guide rail extends out of the hot chamber, and the guide rail is used for supporting a power manipulator to walk; the pushing piece is arranged on the guide rail in a sliding mode and located at the end, located in the hot chamber, of the guide rail, and the pushing piece is used for making contact with the power mechanical arm and pushing the power mechanical arm out of the hot chamber through the guide rail. According to the utility model, through the arrangement of the pulling assembly, when the power manipulator needs to be recycled, the connecting rope is wound through the pulling assembly, the pushing piece is driven to move on the guide rail, and the pushing piece pushes the power manipulator to move, so that the power manipulator is transferred from a hot chamber to an overhaul chamber; and the recovery operation of the power manipulator is completed.

A device converts a temperature difference into electric power by a Peltier element. The device includes at least one cold chamber closed by walls and at least one heat chamber open to the outside towards a heating-up area. The heat and cold chambers adjoin one another by one of these walls. This wall includes a Peltier element. A bell surrounds all cold chambers and heat chambers and separates the heating-up area from the external environment. At least three of the cold chambers each have the shape of a three-sided isosceles prism and touch each other at an axis of symmetry. The cold chambers are symmetrically distributed over 360°. At least three of the open heat chambers extend between the cold chambers. These cold and heat chambers form a first floor of the device. The walls have cooling fins on both sides of the walls.

The utility model relates to the technical field of tools, in particular to a quick-change tool for a sample clamp in a hot chamber, which comprises a machine body base, a machine body shell and a cutting component, wherein the machine body shell and the cutting component are arranged on the machine body base; a three-jaw chuck is detachably mounted at the end part of the rotating shaft through a quick release mechanism; the sliding block is controlled to be close to the clamp base through the bolt so that clamping force can be generated when a workpiece is clamped, the clamp base is a supporting structure of the clamp and can enable the clamp body to be kept stable when the clamp body is used, and when the bolt is tightened, the sliding block can extrude inwards to form the clamping force so that the workpiece can be clamped between the clamp base and the sliding block. The bolt achieves the purpose of clamping the workpieces by adjusting the distance between the clamp base and the sliding block, the clamp can clamp the workpieces of various shapes and sizes, high adaptability is achieved, the clamping force can be accurately controlled by adjusting the bolt, and different machining requirements are met.

The invention belongs to the technical field of radioactive hot cells, particularly relates to a radioactive hot cell of an intelligent control system and a working method of the radioactive hot cell, and aims to solve the problem that an existing radioactive hot cell lacks cleaning measures for medicine residues scattered on a tray. The inner wall of the notch is fixedly connected with an inner container, the inner wall of the bottom of the inner container is fixedly connected with an inner container tray, and the inner wall of the notch is connected with an isolation door through a hinge. According to the radioactive hot cell of the intelligent control system and the working method of the radioactive hot cell, after the radioactive drugs are prepared, drug residues scattered on the surface of the inner container tray in the hot cell body in a closed state can be cleaned in time; therefore, the influence of radioactive residues in the hot chamber body on subsequent medicine preparation is avoided, the harm of the residues to equipment or workers is reduced, the purity of the prepared medicine is improved, and the safety is improved.

The application provides a sample storage conveying system, which comprises a fixed frame, a heat accumulator fixedly installed on one side of the heat accumulator, mounting holes formed in the two sides of the fixed frame, an installation door hingedly connected to the inner wall surface of the mounting hole, and a semiconductor sample arranged in the fixed frame; and a temperature control assembly arranged in the fixed frame and used for controlling the temperature of the semiconductor sample. The fixed frame is composed of a heating chamber and a central isolation chamber and a cooling chamber, so that the heat carried by the conveying system between the heating chamber and the cooling chamber is reduced when the semiconductor sample is conveyed, thereby improving the practicability of the conveying system. The fan can be installed through the fixed hole, so that the conveying system can be circulated and cooled by the fan, air is blown from the lower structure, and air circulation is realized through a separate heat exchanger.

The invention discloses an isotope production method of a pneumatic conveying type coating target material ball. The method comprises the following steps: putting a coating target ball into an absorption ball pore channel of a reflecting layer of a pebble-bed high-temperature gas cooled reactor for irradiation; after irradiation is completed, the coating target balls are conveyed back to the ball storage tank through a pneumatic conveying system; transferring the coated target balls after irradiation in the ball storage tank to a post-treatment hot chamber; and in a post-treatment hot chamber, dissolving and separating the coating of the coating target ball containing the target isotope to obtain a dissolving solution, and purifying the dissolving solution to obtain an isotope solution. Based on an existing secondary shut-down system engineering design scheme and a remote control technology, full-sealing and remote automatic operation of a target ball are achieved for isotope production, the risk that personnel make contact with radioactivity is reduced to the maximum extent, and normal power generation operation of the pebble-bed high-temperature gas cooled reactor is not affected.

The embodiment of the invention provides a production line and method for radioactive liquid medicine, the production line comprises a receiving hot chamber, a dilution hot chamber and a split charging hot chamber, and an uncovering mechanism for opening a raw material bottle and a first manipulator for transferring the raw material bottle to a first transfer channel are arranged in the receiving hot chamber; a second manipulator and a dilution assembly are arranged in the dilution hot chamber, and the second manipulator transfers the raw material bottles into the dilution hot chamber; the diluting assembly is used for diluting raw materials in the raw material bottle to obtain a diluent; a split charging station used for split charging of diluent is arranged in the split charging hot chamber, and the split charging station is communicated with the dilution assembly through a capillary pipeline. Corresponding devices are arranged in a plurality of hot chambers with different functions, introduction, dilution, sampling, split charging and discharging of radiopharmaceuticals are achieved, the whole production process is carried out under protection of the high-protection hot chambers, dependence on production personnel is reduced, and therefore consistency of production efficiency and product quality is guaranteed, and personnel burden and risks are reduced.

The utility model belongs to the technical field of mechanical design, and particularly relates to a quick replacement tool for a tail end hot chamber line illumination lamp. The device comprises a handle, a steel wire winch assembly, a hook and a telescopic rod, the handle is connected with the steel wire winch assembly, the steel wire winch assembly is connected with the telescopic rod, the hook is fixedly installed at the front end of the telescopic rod, and a steel wire cable is arranged between the hook and the steel wire winch assembly. According to the invention, the maintenance personnel can complete the replacement and maintenance work of the fixed lamp in the hot chamber without entering the upper box body of the hot chamber, so that the danger coefficient of the maintenance work is greatly reduced, the safety of the maintenance personnel is guaranteed, and the maintenance work efficiency is improved.

The invention provides a radioactive sample storage device which comprises a box body assembly and a box cover assembly, the box body assembly comprises a box body part and a box cover part, a sample storage groove, an air inlet and an air outlet are formed in the box body part, the box cover part is hinged to the box body part and used for opening or covering a groove opening of the sample storage groove, and under the condition that the box cover part covers the groove opening of the sample storage groove, the box cover part is hinged to the box body part; the box body part and the box cover part are in sealing fit; the gas supply assembly is connected to the box body assembly and is used for conveying inert gas into the sample storage tank through the gas inlet; the electromagnetic valve is arranged on the box body part and is used for opening or closing the exhaust port; the control assembly is connected to the electromagnetic valve and used for controlling operation of the electromagnetic valve; wherein the box assembly is used for being arranged in a hot chamber, and the air supply assembly and the control assembly are used for being arranged outside the hot chamber.

The present application belongs to the technical field of radioactive hot cell equipment and instruments, and particularly relates to a multifunctional sample rack suitable for a radioactive hot cell, which comprises a rotatable tray system capable of placing sample bottles, rabbit bottles and waste liquid bottles, a sampling needle (24) for sampling operation on the sample bottles, the rabbit bottles and the waste liquid bottles, and a needle changing barrel (17) for replacing the sampling needle (24), and the tray system and the needle changing barrel (17) can be operated by a manipulator in the radioactive hot cell. The sample rack provided by the present application can accurately switch and position different bottle positions, the sampling needle (24) is liftable and replaceable, can be connected with other flow path equipment for subsequent sampling analysis, the whole bracket is made of full stainless steel material, has a simple structure, is firm and stable, is high in functionality, is simple to operate, and is more suitable for being operated by a manipulator in a hot cell environment with strong acid and strong radiation.

The embodiment of the invention relates to the technical field of radioactive substance sorting, in particular to a method for sorting samples in a hot cell, the samples have high radioactivity, and the method comprises the steps that feature images of simulation samples without radioactivity are obtained, the feature image of the simulation sample without radioactivity is similar to the feature image of the sample with high radioactivity; dispersing the mixed samples; obtaining an image of the dispersed sample; according to the obtained feature image, identifying an image with a predetermined feature from the obtained image of the sample; a sample corresponding to the image of the predetermined feature is picked up and placed at a predetermined position. By means of the method, multiple kinds of high-radioactivity samples can be accurately recognized and sorted in the high-radioactivity environment in the hot chamber, compared with an existing sorting mode, the accuracy and efficiency are higher, the radiation risk existing in manual operation can be avoided, and the sorting efficiency is improved. And the sorting safety is effectively improved.

The utility model relates to a cantilever belt cover assembly for sealing and isolating the inside and the outside of a hot chamber, which at least comprises a cantilever belt cover (101), a rotating unit (102) and a lifting unit (103), the cantilever belt cover (101) is arranged on a hot chamber transfer channel, and a sealing ring (201), a barrel guide pin (202) and a guide flange (208) are arranged on the cantilever belt cover (101); a pull rod assembly (209) is installed in the supporting arm assembly (206), a balance weight (210) is installed on the tail portion of the supporting arm assembly (206), one end of the pull rod assembly (209) is connected with the six-claw shaft (207), and the other end of the pull rod assembly (209) is connected with the rotating unit (102) through a small rotating shaft (301). The radioactive substances are butted and transferred between the shielding operation room and the raw material cutting line operation room.

The utility model relates to dry equipment technical field, specifically disclose a closed cycle type drying equipment, including drying chamber, the upper portion of drying chamber is connected with condensation chamber through conical gas collecting hood, the right side of condensation chamber is connected with heat storage room through pipeline, the lower portion of heat storage room is provided with electric auxiliary heating chamber, the right side of drying chamber is provided with the circulating fan that exports and drying chamber intercommunication, through the wet heat steam in drying chamber through conical gas collecting hood enters the condensation chamber, realizes the first grade sensible heat recovery and dehumidification through condensation chamber, realizes two secondary latent heat storage and release through heat storage room, realizes three grade heat energy compensation through electric auxiliary heating chamber, finally by high temperature resistant circulating fan after heating drying air is sent back drying chamber completes circulation, and then through drying chamber, dehumidification, condensation dehumidification, waste heat recovery, heat energy compensation, drying chamber reheats, form "heat energy cascade utilization and humidity step by step remove" closed loop system, realize energy maximization utilization.

The invention relates to the technical field of isotope production hot chambers, in particular to a target station hot chamber system for isotope production and an operation process of the target station hot chamber system. The target station hot chamber system comprises an operation hot chamber used for executing a target feeding process, a target discharging process and a discharging process; the irradiation chamber is used for executing an irradiation process; the target vehicle channel is used for communicating the irradiation chamber with the operation hot chamber; wherein the target vehicle channel comprises a track and a target vehicle, the track extends from the operation hot chamber to the irradiation chamber, and the target vehicle conveys a target container along the track. According to the invention, through functional partition design and system arrangement of the hot chamber, the target vehicle is used for operating the target device between the irradiation chamber and the operation hot chamber, and meanwhile, the automatic system in the operation hot chamber is used for carrying out target loading and unloading operation, so that batch cross-hot-chamber transfer of the target sheets can be realized; and the process target loading and unloading requirements and the high-efficiency circulation of materials in the hot chamber can be met, and the requirements of isotope batch production are met.

The invention belongs to the technical field of nuclear power, and particularly relates to a fuel assembly grillwork defect underwater sampling device and method based on electric spark cutting. According to the technical scheme, the positioning system, the electric spark cutting module, the suction module and the collecting container are used for forming underwater sampling of the defects of the fuel assembly positioning grillwork, separation and collection of the defect grillwork and collection of cuttings in the cutting process are effectively achieved, and on the premise that the exposure dose of personnel is reduced as much as possible and the original defect morphology is not affected, the sampling efficiency is improved. The grillage defect underwater sampling can be safely and effectively completed, and preconditions are provided for grillage hot chamber inspection and analysis.

The invention relates to a radioactive gas extraction device with an external irradiation shielding function and a manufacturing and using method thereof. The device comprises a shell (1), a gas guide joint nut (2), a gas guide tube (3), a gas outlet joint (4), a gas outlet joint nut (5), a heating layer (6) and an external shielding layer (7), a radioactive gas to-be-extracted product is arranged in the shell (1), the gas guide connector nut (2) is communicated with the interior of the shell (1) through the gas guide pipe (3), the gas outlet connector nut (5) is communicated with the interior of the shell (1) through the gas outlet connector (4), and a heating layer (6) and an outer shielding layer (7) are sequentially arranged on the outer side of the shell (1). Compared with the prior art, the external radiation shielding function of the device is expected to achieve the effects of a traditional extraction hot chamber and an extraction furnace, and meanwhile, conditions can be created for continuous extraction of radioactive gas.

The application discloses a fireproof protection device for a high-radioactivity space peep window, which comprises a door plate mechanism, a counterweight mechanism and a traction mechanism. The door plate mechanism comprises a plate body which can move along the wall where the peep window is located. The counterweight mechanism is connected with the plate body and can move from a high position to a low position under the action of gravity. In the process, the plate body moves from the lower part of the peep window to the position covering the peep window. The traction end of the traction mechanism is connected with the counterweight mechanism, so that the counterweight mechanism is kept at the high position and is released under the condition of receiving a fire signal and power failure. The fireproof protection device has the advantages of simple structure, reasonable arrangement, convenient use and good fireproof protection capacity, and is suitable for the fireproof protection of the high-radioactivity space peep window. The application further provides a hot chamber.

The invention discloses a radiation-resistant mechanical arm based on a postposition system and a control method thereof, and solves the technical problem that a conventional mechanical arm in a nuclear waste post-treatment hot chamber system is exposed in an ionizing radiation field for a long time due to the fact that materials and electronic components of the conventional mechanical arm are not specially reinforced aiming at a radiation environment, so that the function of the mechanical arm is failed. According to the mechanical arm, the driver most sensitive to radiation is placed in the non-radiation area and connected with the n-path multiplexing switch through the power cable, the driver is systematically arranged at the back, the radiation resistance of the mechanical arm is achieved, and it can be guaranteed that the mechanical arm can normally work for a long time in the radiation environment; according to the control method, the joint motors can be controlled to move at the same time in the process, so that the overall efficiency of the mechanical arm is improved.

The invention provides a target piece cladding disassembling device and method, relates to the field of special operation robots, and aims to solve the problem that electric cutting equipment corresponding to a current special operation robot is easy to damage in a strong radiation hot chamber, air driving and mechanical transmission are adopted, the influence of electronic elements on the equipment is reduced, the service life of the equipment in the hot chamber is prolonged, and the working efficiency is improved. The shutdown risk and the scrap cost caused by equipment faults are reduced, the positioning plate controls the needling depth, overcutting is effectively prevented, the damage of internal expensive target materials and the diffusion risk of radioactive dust are reduced, the slider-crank mechanism conducts high-frequency reciprocating needling under the action of the airflow driving impeller, compared with rotary grinding wheel cutting, generated heat is less, and the needling efficiency is improved. And metal debris particles generated by dotted puncture are larger and are not easy to fly, so that the cleanness of the hot cell environment is more favorably kept.

A membrane distillation (MD) module includes a first MD sub-module including a first thermocouple; a second MD sub-module including a second thermocouple; and a distillation membrane sandwiched between the first MD sub-module and the second MD sub-module. A hot chamber of the first MD sub-module is closed by the distillation membrane, and a cold chamber of the second MD sub-module is closed by the distillation membrane.

The utility model relates to the technical field of closed operation equipment, in particular to a modularized hot chamber, which comprises a closed box body module, a closed box body module, a closed box body module and a closed box body module, the shielding module covers the side wall, far away from the mounting structure, of the closed box body module; the through-wall pipe module is arranged in the shielding module in a penetrating manner; the lamp box module is arranged in the shielding module in a penetrating manner; the window module is arranged in the shielding module in a penetrating manner; the pre-embedded module is connected with the shielding module, and the pre-embedded module is pre-embedded in a mounting structure body; the ventilation module is arranged in the shielding module in a penetrating manner; and the pipeline module is arranged in the shielding module in a penetrating manner, and the pipeline module can be self-sealed. According to the utility model, the technical problems of integral manufacturing, transportation and installation difficulty can be effectively solved.

The invention relates to the technical field of die-casting machines, in particular to high-vacuum die-casting equipment of a common hot chamber die-casting machine, which comprises a body, a vacuum tube and a fixed tube, the vacuum tube and the fixed tube are arranged on the body, the fixed tube is connected with a cavity on the body, and the vacuum tube is connected with a vacuum valve on the body. The movable pipe is arranged between the vacuum pipe and the fixed pipe; the mounting assemblies are arranged at the two ends of the movable pipe and used for mounting the two ends of the movable pipe on the vacuum pipe and the fixed pipe correspondingly, according to the high-vacuum die-casting equipment of the common hot chamber die-casting machine, in the production process, when the first air hole is blocked by liquid alloy, the vacuum valve on the body controls suction force to be increased, and then the piston is driven to move; the movable pipe is sealed by the sealing device, so that liquid alloy is prevented from entering the vacuum pipe and the vacuum valve on the body, the influence on the quality of a product is reduced, the overall maintenance time is shortened, and the later maintenance cost is greatly reduced.

The embodiment of the invention relates to the field of metal remelting, in particular to a method suitable for manufacturing radioactive materials in a hot chamber into molten ingots, the method is carried out through a preset device, the preset device comprises a body, a melting assembly, a vacuumizing assembly, an ingot forming assembly and an operation assembly, and the operation assembly is arranged adjacent to the body; the method comprises the following steps that S10, radioactive materials are put into a melting assembly through an operation assembly; s20, a vacuumizing assembly is started to vacuumize the melting assembly; s30, the melting assembly is heated to melt the radioactive materials in the melting assembly; s40, molten radioactive materials are poured into the ingot forming assembly; s50, the ingot forming assembly is cooled so that the molten radioactive materials can be formed into ingots; and S60, the radioactive material ingot obtained in the step S50 is taken out from the ingot forming assembly and placed at a preset position through an operation assembly. And the radioactive materials are put and the prepared molten ingots are transferred by remotely controlling the operation assembly, so that the materials in the hot chamber are safely and conveniently transported.

The application relates to a full-automatic post-irradiation nuclear fuel cladding internal pressure mechanical test device, which comprises a hot chamber, and the hot chamber is internally provided with a furnace body, a cutting module for cutting a cladding tube sample with a set length, an assembly module for inserting a core rod into the cladding tube sample and locking two sealing fittings to two ends of the cladding tube sample to form a sealed sample, a sample mounting and dismounting module for mounting the sealed sample into the furnace body for testing or dismounting and recycling the sealed sample in the furnace body, and a mechanical hand for grabbing, transferring and operating the cladding tube sample, the sealing fittings and the sealed sample. The test device can realize the operations of preparing the cladding tube sample with a set length, transferring, high-temperature and high-pressure sealing assembly and docking assembly with the test furnace body before testing, and automatically dismounting the sample after testing, so that the technical limitations and problems of the current mainstream device, such as scattered operation process, excessive manual intervention, low test efficiency, high operation threshold of test personnel and high risk of human error operation, are overcome.

The invention relates to the technical field of hot chamber operation corollary equipment, in particular to a multifunctional uncovering structure and a container transfer device.The multifunctional uncovering structure comprises a mounting base, a vertical box, a support, a cantilever, a cover body, a transmission shaft and a power switching mechanism; a translation mechanism is connected between the vertical box and the mounting seat, a rotating mechanism is connected between the support and the vertical box, and a pitching mechanism is connected between the cantilever and the support; the power switching mechanism is arranged in the vertical box, is in transmission connection with the transmission shaft, the translation mechanism, the rotating mechanism and the pitching mechanism and is used for selectively transmitting power of the transmission shaft to one or more of the translation mechanism, the rotating mechanism and the pitching mechanism. The device can flexibly work in the complex environment with dense hot chamber equipment and limited space, when equipment interference exists around a transfer path or an operation station, the uncovering mode can be rapidly adjusted, or a composite motion track is adopted to avoid obstacles, it is ensured that uncovering and transfer work do not interfere with each other, and the device can meet the work requirements of different rooms and different layouts.