26 results about "Physical Containment" patented technology

The invention relates to the technical field of food safety, and discloses a food biological detection sampling box which comprises a machine body, an outer box is fixedly installed on the front face of the machine body, a placing mechanism is arranged in the outer box, and a label is fixedly installed on the front face of the machine body. The food biological detection sampling box realizes physical isolation and independent environment monitoring of different types of samples through the microorganism placement block, the liquid placement block and the solid placement block which are partitioned, and the independent temperature detector and the illumination lamp, effectively avoids the risk of cross contamination, and meanwhile, improves the detection efficiency. By utilizing a multi-stage damping system formed by the buffer pad, the spring group and the buffer plate and combining with the micro vibration instrument in the buffer block, bumping and vibration in the transportation process can be actively counteracted, excellent anti-collision protection is provided for test tubes, culture dishes and other precision equipment and fragile samples, the integrity of the samples and the accuracy of detection results are ensured, and the detection efficiency is improved. And the normalization and safety of the sampling process are obviously improved.

The utility model belongs to the field of preservation tubes, and particularly relates to a multi-cavity preservation tube which comprises a tube body and a tube cover, a detachable partition structure is arranged in the tube body, and the partition structure divides an inner cavity of the tube body into a polypeptide storage cavity and a drying agent cavity which are arranged up and down and are independent from each other; the separation structure comprises a supporting framework and a hydrophobic breathable film, and the hydrophobic breathable film allows water vapor molecules to diffuse between the polypeptide storage cavity and the drying agent cavity and prevents solid particles or liquid from passing through; a sample bearing inner container with an opening in the top is arranged in the polypeptide storage cavity, and a drying agent bearing piece is arranged in the drying agent cavity; according to the storage tube, the sample cavity and the drying agent cavity are completely and physically isolated through the separation structure with the hydrophobic breathable film, so that cross contamination is thoroughly avoided; meanwhile, an efficient moisture exchange channel is formed by the hydrophobic breathable film and an airflow gap surrounding the sample inner container, it is ensured that the drying agent can continuously and evenly dehumidify the sample cavity, and the sample is kept dry for a long time.

A raceway includes a horizontal sleeve element carrying a metallic coil tube therethrough below a ground level associated with a structure such that the horizontal sleeve element is directly embedded in a base layer under the ground level and immediately below a first layer of the ground level, and a curved elbow element directly connected to the horizontal sleeve element at each of both ends of the horizontal sleeve element to transition the metallic coil tube across perpendicular directions. The raceway establishes a pathway for an electrical and / or a breathable air connection between components of a safety system implemented within the structure based on seamlessly and jointlessly drawing the metallic coil tube out of the curved elbow element on the each of both the ends of the horizontal sleeve element. Components of the raceway create a fire rated enclosure for the metallic coil tube.

The application discloses an underwater hazardous chemical substance containment and disposal device and method based on programmed reaction microspheres in the field of environmental protection and port emergency technology, which comprises a mounting plate fixedly installed on a shore building and a supporting table pre-buried in a riverbed, and an arc-shaped containment plate for presetting a leakage range is arranged on the supporting table, and both ends of the arc-shaped containment plate are connected with sliding assemblies on the mounting plate. The application realizes overall convenient assembly and later maintenance and recovery operation by means of the sliding assemblies, overcomes the defects of slow lifting and floating response speed and slow containment forming lag of traditional similar devices, can realize quick physical isolation and plugging for sudden water soluble hazardous chemical substance leakage, and at the same time, the programmed reaction composite microspheres are accurately sprayed into the containment area to perform deep chemical neutralization and solidification. The application deeply integrates the quick-forming physical containment and efficient and orderly intelligent chemical neutralization process, realizes deep treatment of pollutants and effectively reduces the secondary pollution risk.

The invention discloses a pond mouth ecological purification system and a construction method, and relates to the technical field of aquaculture ecological restoration. The system comprises at least one carrier unit capable of floating on the water surface, a growth substrate is laid in the carrier unit, a physical isolation structure is arranged in the carrier unit, an in-situ ecological purification module separated from the water bottom is constructed, and a growth environment is provided for aquatic plants and benthos; the construction method comprises the steps of sludge pretreatment, carrier laying, biological cultivation and putting, ecological maintenance and sludge circulation treatment. Stable growth of aquatic plants and benthos can be protected, the problem of seasonal ecological imbalance is solved, resource utilization of sludge is achieved, the culture cost and environmental pressure are reduced, operation is easy and convenient, cost is low, popularization is easy, the pond opening ecological virtuous circle can be promoted, and the aquaculture yield and quality are improved.

The invention discloses a non-destructive culture medium replacement device and method for microalgae, and relates to the technical field of microbiological treatment. Comprising a frame body, a water storage assembly used for storing pure water and calcium-free seawater is arranged above the frame body, a replacement box is arranged in the middle of the frame body and used for containing a dialysis bag containing algae liquid, and the pure water or the calcium-free seawater can flow in and out at the same flow speed through a pipeline and a flow control valve; a collecting assembly used for receiving water discharged from the replacement box is arranged below the frame body. And two groups of symmetrically arranged transverse frames are fixedly mounted in the middle of the frame body. According to the device, a traditional centrifugal method is replaced by physical isolation and micro-vibration auxiliary replacement of the dialysis bag, a knocking assembly driven by a cam is matched with a spring buffer structure, the movement of liquid in the bag is accelerated, meanwhile, mechanical impact force is controlled within a certain amplitude range, it is ensured that the structure of a microalgae cell membrane is complete, and the survival rate is greatly increased; and a high-activity sample is provided for subsequent calcium signal research.

The application provides a ransom virus data backup method and system based on isolated storage, and relates to the technical field of data processing.The method comprises the following steps: step 1, a storage area physically isolated from a business platform is deployed in a data center, and the storage area is not physically connected with an internal office network and an external service network; step 2, by means of an encrypted transmission channel, incremental data of the business platform is batch-transmitted to the storage area for backup in a daily preset low-traffic time window, and three characteristic anchor points, including a head anchor point, a middle anchor point and a tail anchor point, are extracted in chronological order.The application realizes data transmission storage security protection, efficient backup and accurate verification by deploying a physically isolated storage area, encrypting incremental data, constructing a dynamic chain structure to generate characteristic value fingerprints and verification, and finally cutting off an attack path by physical isolation to protect data from ransom virus threats.

The invention discloses a stacking type breeding box for breeding insect larvae, and belongs to the technical field of insect breeding boxs.The stacking type breeding box comprises a plurality of box bodies which are stacked, box covers are arranged on the top faces of the box bodies, first limiting blocks are arranged at the four corners of the top faces of the box bodies correspondingly, and first limiting mechanisms are arranged at the four corners of the bottom faces of the box bodies correspondingly; the first limiting mechanism is matched with the adjacent first limiting block, ventilation plates are arranged on the two sides of the box body respectively, and a collecting mechanism is arranged at the bottom of the box body and communicated with the interior of the box body. The multiple box bodies are vertically stacked through the first limiting blocks at the four corners of the top face and the first limiting mechanisms at the four corners of the bottom face. Residues generated by the larvae automatically fall into the collecting mechanism through the collecting mechanism at the bottom of the box body and the communicating structure inside the box body. The storage space utilization rate of the box body can be increased, the independent collection mechanism realizes physical isolation of residues and larvae, and the risk of cross infection is reduced; meanwhile, the breathable plate is used for maintaining air exchange inside and outside the box body so as to optimize the living environment of larvae.

The invention discloses a shipborne mud closed circulation and emergency leakage prevention marine exploration system, and belongs to the technical field of marine engineering geological exploration. In the prior art, mud is easy to leak in a stormy wave environment, rapid emergency response is lacked, and operation safety and environmental protection are affected. The system adopts a closed slurry circulating system, and comprises a slurry pool with a sealing cover at the top, a slurry pump, a high-pressure guide pipe and a double-layer filtering device, so that physical isolation and cyclic utilization of slurry are realized; an emergency leakage-proof system is integrated, the slurry state is monitored in real time through a liquid level sensor and a pressure sensor, and when it is detected that the liquid level drops abnormally or the pressure drops suddenly, a control system automatically closes a slurry pump and an emergency cut-off valve to block slurry circulation, and meanwhile, an emergency recovery pump is started to convey slurry to a standby storage bin; and a wind wave grade identification module and false triggering prevention logic are arranged, so that real leakage and environmental interference are distinguished, and false alarms are avoided. The device is used for ocean drilling operation, and the operation continuity, safety and environmental friendliness are improved.

This invention relates to the field of medical supplies technology, specifically to an intelligent transfer cabinet for body fluid specimens. The cabinet comprises a cabinet body, a partitioned storage system, a control unit (i.e., an industrial-grade main controller), and a communication and control execution module. The cabinet body is integrally formed from 304 stainless steel and includes multiple physically isolated specimen storage areas and a low-temperature storage area. The main controller, based on an ARM Cortex-A series processor and equipped with an embedded system, serves as the core for managing all modules. The communication module enables data interaction with the hospital information system, and the control execution module, controlled by the main controller, centrally manages the electromagnetic locks and status indicators of each storage compartment door. This invention achieves standardized and intelligent temporary storage and transfer of body fluid specimens, improving management automation and reliability, and ensuring storage hygiene and safety as well as the integrity of information management.

This utility model relates to a sealing component, providing a backfire-proof sealing component for the feed inlet of a waste incinerator, including a heat insulation cover and a storage pipe. The heat insulation cover is internally connected to the incinerator's internal space, and the storage pipe is mounted on the heat insulation cover. The storage pipe has a transition channel inside, and during installation, its lower end extends into the incinerator. This utility model establishes a dynamic sealing barrier by installing a storage pipe at the feed inlet of the waste incinerator and setting rotating gates and upper gates at both ends of the storage pipe. During the feeding phase, the upper gate opens, and the rotating gates close the lower end to receive the waste. After feeding is complete, the upper gate immediately closes, and the rotating gates then open to allow the waste to fall into the incinerator. This maintains at least one physical barrier throughout the material transfer process, preventing the reverse propagation of high-temperature flames and harmful gases within the incinerator, while also preventing sparks from splashing out due to pressure fluctuations during feeding. This ensures operational safety and maintains stable negative pressure in the incineration system.

The invention relates to the technical field of aquaculture environment control, and discloses a cold region crayfish hatchery Internet of Things intelligent regulation and control system, which comprises a full-automatic hatching system, and is characterized in that the full-automatic hatching system comprises a hatching unit, an environment regulation module, an identification module, a decision module and an execution unit; the hatching unit divides the crayfish hatching farm into a plurality of groups of hatching sub-units with the same area, and the interiors of the hatching sub-units are provided with the same quantity of crayfish fertilized eggs. The execution unit regulates and controls the heater, the refrigerator, the humidifier and the dehumidifier according to control instructions (first / second / third decisions and abnormal instructions) generated by the decision module and triggers the early warning device to send early warning information to workers in an abnormal state, and an intelligent management and control system with full-process automation and manual intervention cooperation is formed. The hatching success rate and the breeding efficiency are obviously improved.

The utility model relates to the technical field of edible mushroom breeding, in particular to an edible mushroom breeding box which comprises a culture box, lamp holders are fixedly installed on the two sides of the inner wall of the culture box, a plurality of warm lamps are fixedly installed in the lamp holders, and a rotary storage mechanism is arranged in the middle of the inner side of the culture box. A water tank is fixedly mounted at the bottom end of the back surface of the incubator, and a spraying and humidifying mechanism is arranged between the incubator and the water tank; a flow guide cover is movably installed on the inner side of the back face of the incubator, and a translation mechanism is arranged between the incubator and the flow guide cover. The horizontal moving type flow guide cover design is adopted, the atomization spray head is completely closed in the non-humidification period to form physical isolation, a forced flushing drainage mechanism is matched, breeding of infectious microbes at the spray head position is effectively blocked, the pollution risk of the spray head can be reduced, and the equipment maintenance period is prolonged.

This application provides a hydrogeological exploration water source sampling and testing device and method. The device includes: multiple sampling units arranged side-by-side from top to bottom within a pressure-resistant sealed housing, with their sampling ends penetrating the pressure-resistant sealed housing for simultaneous sampling of target water sources at different depths; multiple dosing units corresponding one-to-one with the multiple sampling units, each dosing unit connected to one of its corresponding sampling units via a dosing pipe, and the remaining sampling units connected to the dosing pipe via branch pipes; multiple pulse cleaning detection units corresponding one-to-one with the multiple sampling units; a lifting and traction mechanism connected to the top of the pressure-resistant sealed housing; and a control terminal for controlling the working status and operation of the sampling units, dosing units, pulse cleaning water sample detection units, and lifting mechanism. This application achieves physically isolated fixed-depth sampling, effectively ensuring the authenticity of water quality testing data for each aquifer, enabling explorers to accurately distinguish the water quality conditions of different aquifers.

This application provides a sampling device and its usage method for mineral environment monitoring, belonging to the field of geological environment sampling and monitoring. It includes a support frame and a winding / unwinding mechanism, with the winding / unwinding mechanism located on the upper part of the support frame. The winding mechanism is connected to a sampling mechanism, which includes a sampling cylinder and a sampling tube. The sampling tube has a first opening and a second opening at its opposite ends. In this invention, by setting up a sampling tube, a pressure block, an electric heating element, an adsorption platform, and an electric push rod, the flat sampling tube is kept clean inside during sampling, forming a "cavity-free" physical isolation that blocks the penetration path of pollutants. When the water layer requiring sampling is reached, the electric push rod drives the pressure block and adsorption platform to open the sampling tube for sampling. After sampling, the sampling tube is heat-sealed by the electric heating element, allowing for sample collection underwater.

The invention provides a ground alpha radioactive contamination efficient cleaning decontamination and waste liquid recovery device which comprises a cleaning disc shell, a cleaning disc, a waste liquid recovery device and a waste liquid recovery device, and the cleaning disc shell is internally provided with a cleaning cavity; the cleaning assembly is arranged in the cleaning cavity and used for cleaning the ground facing the cleaning cavity; on one hand, a gridding cleaning and decontamination operation mode is originally created, operation is carried out with a cleaning cavity coverage area as an independent grid, physical isolation from surrounding facilities and equipment is achieved, a cleaning assembly composed of atomized high-pressure water, compression type bristles and the like is originally created, efficient removal of various kinds of alpha radioactive pollutants on the ground is ensured, and the cleaning efficiency is improved; meanwhile, the generation amount of radioactive gas, liquid and solid waste is greatly reduced, and secondary pollution diffusion of radioactive waste water, radioactive dust (aerosol) and the like is reduced; and on the other hand, the remote operation mode of cleaning and decontamination operation is realized for the first time through visual remote control operation, and the physical and psychological health of operators is greatly protected.

The invention relates to the technical field of data security and privacy computing, and particularly provides a layered isolation-based sandbox development method, system and device and a storage medium, and the method comprises the following steps: obtaining original data, and constructing development configuration data based on the original data; based on the development configuration data, instantiating the initial sandbox, and constructing a sandbox model; loading a running environment in the trusted data space based on the sandbox model, and constructing a physically isolated application sandbox; and executing controlled data access based on the application sandbox, and configuring key decryption and field decryption in the application sandbox. Physical isolation running of the development state and the running state in the trusted data space is achieved, mutual access of data and programs in different stages is avoided, and therefore it is guaranteed that the security boundary of each stage is not broken through.

This invention relates to the field of material transportation supervision, specifically to a method and device for supervising the transportation of food materials. The method includes: acquiring and preprocessing physical sensing data within the transport vehicle to obtain a high-frequency three-dimensional acceleration sequence and an ambient temperature sequence; calculating the transient input kinetic energy density and, combined with the structural yield energy threshold, calculating the cumulative structural damage; inputting the cumulative structural damage into the thermodynamic reaction rate equation for dynamic correction to obtain the real-time biochemical decay rate; calculating the remaining dynamic health based on the real-time biochemical decay rate, and then generating control and adjustment commands to change the temperature within the transport vehicle, and controlling the sorting device to perform physical isolation when the material arrives at the production line at its destination. This invention solves the problem of missed detection of material damage due to the disappearance of transient vibrations, effectively avoiding missed detection of hidden internal damage through bottom-level temperature control compensation and forced physical isolation.

The invention discloses an automatic sample liquid suction and injection filtering mechanism which comprises a supporting bottom plate, a supporting clamping frame is arranged on the front portion of the upper end face of the supporting bottom plate, and a reagent bottle containing tool is arranged on the side portion of the upper end face of the supporting clamping frame. When the device is used, the precision reliability is high, meanwhile, the consistency of experimental data is improved by at least 90%, the batch processing efficiency can be effectively improved, batch manufacturing can be achieved in batches, the experimental time is greatly saved, meanwhile, automatic operation can be achieved, cross contamination control can be greatly avoided, full-automatic operation can be achieved, 80% of repeated operation can be reduced, and the working efficiency is improved. The mechanical physical isolation of dangerous liquid enables safety accidents to be close to zero, can promote the overall automation rate of a laboratory to be improved by 30%-50%, and supports efficient and compliant operation of biological medicine, environmental monitoring and new material research and development.

The invention discloses a leakage detection method for a nuclear island emergency raw water system. In the leakage detection process of the nuclear island emergency water generation system, on the premise that it is ensured that a leakage column meets the leakage detection condition, all water columns formed at the tail end of a vacuum pipe section serve as natural isolation media, and therefore when tracer gas is inflated through an exhaust valve on the vacuum pipe section, the water columns can serve as the pressure bearing boundary of the pressure of the tracer gas. In the inflation process, the pressure of the tracer gas is controlled to be smaller than the minimum static pressure of each water column (calculated based on the height of each water column), so that the integrity of the boundary of the tracer gas in the test process can be effectively guaranteed. After the tracer gas is filled into the vacuum tube section, the tracer gas detector can be used for detecting the surrounding environment of the vacuum tube section, and if the tracer gas with a certain concentration is detected, it can be judged that leakage points exist in the vacuum tube section. In the whole detection process, physical isolation (closing an isolation valve) is not needed, the recovery speed of a leakage column system can be improved, and the risk of continuous forced separation is reduced.

The invention discloses a goods shelf system. The goods shelf system comprises a goods shelf, an elevator and a rescue device. The goods shelf is provided with a plurality of goods layers vertically and sequentially arranged and a plurality of vertical spaces arrayed in the horizontal plane. The elevator comprises a frame, a lifting transmission assembly and a robot, the robot is connected to the frame in a lifting mode through the lifting transmission assembly, the lifting transmission assembly is provided with a rescue power input part, and the frame is arranged in a vertical space. The rescue device is arranged in the other vertical space, adjacent to the elevator, of the goods shelf, the power output end of the rescue device is detachably connected with the rescue power input part, the rescue device can rapidly carry out emergency rescue when the elevator breaks down, the rescue device and the rescue power input part are arranged in the adjacent vertical space to achieve physical isolation, normal operation cannot interfere with each other, and the rescue efficiency is improved. And the rescue device is mounted depending on the goods shelf without an additional structure, power butt joint is convenient, the storage transfer interruption time can be effectively shortened, the rescue efficiency is improved, and economic losses caused by faults are reduced.

The invention relates to the technical field of pipe network leakage monitoring, and discloses a graded buffer type pipeline leakage-proof monitoring device and monitoring method. The monitoring device comprises a shell, a partition wall, an overflow baffle, a pressure sensor and a control module. The shell covers a pipeline joint; a first-stage water storage cavity and a second-stage detection cavity are divided by a partition wall in the water tank; the overflow baffle forms a part of the partition wall, and an overflow port is formed between the two cavities; the pressure sensor is arranged at the bottom of the secondary detection cavity. During working, leaked liquid is temporarily stored and buffered in the first-stage water storage cavity firstly, when leakage continues and the liquid level exceeds the height of the overflow baffle, the liquid overflows into the second-stage detection cavity to be accumulated, the pressure sensor detects the liquid level pressure, and when the pressure reaches a threshold value, the control module triggers an alarm. Through a graded buffering and physical isolation structure, instantaneous interference and condensate water are effectively filtered, only continuous leakage is responded, the false alarm rate is reduced, and the monitoring reliability is improved.

This invention provides an isolated medical waste bin, belonging to the field of waste bin technology. It includes a bin body, isolation compartments, and storage compartments. A screw-on lid is located on the upper side of the bin body, and a pedal is located on the lower side. The pedal is connected to a sliding component via a lever, and the sliding component is connected to the lid. The sliding component converts the force of the lever's pitching rotation into a horizontal rotational force to control the opening and closing of the lid. Multiple isolation compartments are located within the bin body, each with a lid at its bottom. The lid is connected to a lever via a linkage mechanism to control its opening and closing. Multiple storage compartments are located below the isolation compartments. The screw-on lid, controlled by the pedal and lever, allows for horizontal rotational opening, reducing the risk of germ splashing when opening the lid. The vertically aligned design of the multiple isolation compartments and storage compartments allows for the separate temporary storage and final storage of contaminants, creating physical isolation between disposal and final storage.

The invention discloses a method for manufacturing a sargassum fusiforme specimen by adopting glue dripping and application. The method comprises the following steps: selecting a specimen material; pre-treating a specimen material; a silica gel desiccant is used for drying a sargassum fusiforme specimen, an absorbent paper envelope packaging technology is combined, sargassum fusiforme frond and the desiccant are effectively separated in a physical isolation mode, the drying efficiency is guaranteed, meanwhile, pollution of the desiccant to the surface of the specimen is avoided, and the specimen quality is remarkably improved; putting the dried sargassum fusiforme frond into a specimen mold, embedding the frond into a transparent colloid by adopting a graded glue pouring and fixing mode, naturally curing the colloid, and demolding, so as to obtain a fixed three-dimensional sargassum fusiforme specimen with a relatively three-dimensional shape; and carrying out grinding and polishing post-treatment on the sargassum fusiforme three-dimensional specimen. The sargassum fusiforme specimen prepared by the method can effectively maintain the original state structure and natural color of the algae, ensures the long-term storage stability, and meets the requirements of scientific research and teaching.

The utility model discloses a kind of surrounding rock alteration specimen collection devices, including collection box, several horizontal and vertical cross partitions are arranged in the collection box, the inside of collection box is divided into multiple temporary storage areas by partition, the inside surface of each temporary storage area is symmetrically hinged with two hinged plates, the hinged part of two hinged plates is provided with torsion spring for making hinged plate keep horizontal, hinged plate divides temporary storage area into lower temporary storage area and upper temporary storage area, and hinged plate upside is pressed and will be opened lower temporary storage area by downward rotation.When multiple independent lower temporary storage areas and upper temporary storage areas are set in the collection box, multiple different surrounding rock alteration specimens can be collected and temporarily stored at one time, the physical isolation of specimen is realized instantaneously and clearly, the experimental analysis failure caused by specimen mutual mixing, extrusion and the like is avoided, and the accuracy of subsequent alteration zoning map preparation and the reliability of alteration-mineralization relationship analysis are improved.

The kit capable of preventing cross contamination comprises a kit body and a cover plate, the interior of the kit body is divided into a plurality of independent reagent bins through criss-cross partition plates, and a detachable inner cavity is embedded in each reagent bin; a sealing ring is arranged at the top opening of the reagent bin; the bottom of the inner cavity is connected with the reagent bin through a quick release structure, and a tearable sealing film is arranged at the top of the inner cavity. According to the kit, a double-layer protection system with the reagent bin and the independent inner cavity is adopted, and the reagent bottles form a secondary closed space in the inner cavity unit, so that a physical isolation barrier is effectively constructed. A sealing film sealing assembly is arranged at the top of each inner cavity, so that each reagent unit is in an independent sealing state, volatilization and dissipation of the reagents are avoided, and the risk of cross contamination caused by simultaneous exposure of multiple reagents during sampling is prevented. And a quick release mechanism innovatively designed at the bottom of the inner cavity adopts buckle type connection to be matched with a leakage-proof sealing ring, so that quick separation and closed transfer of a single experiment cavity can be realized.