72results about "Hazardous material storage" patented technology

Automated systems and methods for the quantitative collection and extraction of a fecal sample, the system including: a primary loading module configured to receive a plurality of primary stool specimen containers, and a secondary loading module configured to receive a plurality of secondary extraction tubes, each with a collection wand; a robotic arm for loading stool on the wand and inserting the stool-loaded wand into the extraction tube; a quality control module configured to assess and confirm whether loading of the collection wand meets a preset acceptable tolerance and if so, assisting with positioning of the robotic arm for accurate insertion of the stool loaded wand into the selected extraction tube; an exhaust module; and executable software loaded into the system and in communication with a database that pairs the primary stool specimen container with a corresponding secondary extraction tube(s).

An automated liquid handling device (10) for handling liquids (109) comprises: i. a reaction vessel device (18) comprising a reaction vessel arrangement (86) with a plurality of reaction vessels (88), wherein each reaction vessel (88) from the plurality of reaction vessels (88) has a discharge end (102) with a discharge opening (104), ii. a waste receiving device (46) for receiving liquid dispensed as handling waste through the dispensing opening (104) of the reaction vessels (88), wherein the waste receiving device (46) comprises a waste collection container (45) with a receiving volume (45a) for receiving the handling waste from the plurality of reaction vessels (88) and includes a waste container support (28), and iii. a pressure changing device (62b), wherein the pressure changing device (62b) is configured to change a gas pressure difference between an internal gas pressure in at least one reaction vessel (88) of the reaction vessel device (18) and an external gas pressure outside the at least one reaction vessel (88). The waste collection container (45) has a tub body (45c) and a container lid (45d) which is arranged on the tub body and covers at least most of the receiving volume (45a) of the waste collection container.

A contained drum discharge system comprising a drum and connected with a lifting mechanism, wherein the drum includes a primary liner bag having the toxic powdery material to be disposed, contained within the secondary liner bag, and a tertiary liner bag enclosing the secondary liner bag; a transparent glove box; a hopper connected at a top of the glove box and with a vacuum transfer system of a material processing reactor; and a control unit connected with the glove box via a rotation mechanism and with the lifting mechanism of the drum. The glove box includes a plurality of glove ports connected with respective glove attachments; a plurality of thrashout ports with door; a sealing gasket to connect with the drum; a first liner port; a second liner port and a third liner port.

A safety cabinet includes an enclosure and at least one door to selectively seal the enclosure. The safety cabinet can be used to store, for example, flammable liquids, flammable waste, corrosive agents, pesticides, or combustible waste. The safety cabinet includes a heat-actuated damper including a body, a valve plate, and a pivot assembly. The valve plate is disposed within a passageway of the body such that the valve plate is movable between an open position and a closed position. The pivot assembly includes a biasing system adapted to bias the valve plate to the closed position and a fusible link interconnected between the body and the biasing system to limit movement of the valve plate from the open position to the closed position. The fusible link is configured to melt at a predetermined temperature, thereby allowing the biasing system to move the valve plate to the closed position.

The invention relates to the technical field of laboratory hazardous chemical substance storage equipment.The intelligent monitoring type gas purification type hazardous chemical substance cabinet comprises a cabinet body and cabinet doors, the front surface of the cabinet body is hinged to the two cabinet doors which are symmetrically distributed in the left-right direction, a sealing device is arranged in the cabinet body, and the sealing device comprises a double-layer sealing ring, a sliding frame and a linkage assembly; the linkage assembly comprises a first positioning rod, a first connecting rod, a second connecting rod, a third connecting rod and a second positioning rod. Through a mechanical linkage structure of the cabinet door and the sealing device, immediate synchronization of door closing action and sealing action is achieved, the effect of blocking leakage through cooperation of double sealing and oil sealing is achieved, a secondary sealing barrier is formed through oil liquid in an oil groove in the peripheral side of the sealing ring, the problems that traditional sealing stress is uneven, and a center seam leaks for sealing are thoroughly solved, and the service life of the sealing device is prolonged. Omnibearing sealing can be formed at the moment when the cabinet body is closed, the risk of dangerous chemical gas leakage is eradicated from the source, and the safety protection level in the storage process is remarkably improved.

The application discloses an intelligent classified storage dangerous chemical cabinet, and relates to the technical field of safety cabinets, which comprises a main cabinet body, a scanning port is arranged on the front face of the main cabinet body, and a control panel is arranged on the front face of the main cabinet body. The first missing gear, the second missing gear, the third missing gear, the four full gears, the three rotating shafts, the three motors, the four supporting plates, the four transmission wheels and the transmission belt are arranged, so that the complicated plc control of the rotation of each motor is not needed, the identification of the scanning port is only needed, the corresponding motor is started, the dangerous chemical needed is moved to the entrance, the operation steps are simplified, the dangerous chemical is prevented from being mixed by the operator, the energy consumption is greatly reduced, the national energy conservation and environmental protection call is responded, the scanning port and the control panel are used for automatically identifying and classifying the dangerous chemical, and the efficiency is improved and the error risk of manual operation is reduced.

The invention discloses inorganic chemical experiment sewage treatment equipment, and relates to the technical field of sewage treatment. The inorganic chemical experiment sewage treatment equipment comprises a treatment tank, a scattering mechanism and a stirring mechanism, the scattering mechanism comprises a servo motor and a connecting rotating shaft, a conical cap is fixedly mounted in the middle of the outer circular surface of the connecting rotating shaft, stirring blades are fixedly mounted on the conical surface of the outer side of the conical cap, and an arc-shaped notch is formed in the edge of the outer side of the conical cap; the stirring mechanism comprises a connecting supporting rod and a bent stirring rod, a semi-conical block is fixedly installed at the bent position of the outer side of the bent stirring rod and close to the arc-shaped notch, a material mixing blade is fixedly installed at the bottom end of the bent stirring rod, and a conical hopper is installed on the side of the outer side of the material mixing blade; a reset tension spring is fixedly mounted at the position, close to the bottom of the conical cap, of the bent stirring rod, so that the purpose of uniform mixing is achieved, the medicament can be stirred and sprinkled, the medicament is in full contact with sewage, and the sewage treatment effect is good.

The utility model discloses an intelligent ventilation cabinet which is used for extracting experiment waste gas generated by experiment liquid and is in signal connection with a block chain network. The intelligent ventilation cabinet comprises a ventilation cabinet body, a chip set and a detection module. The ventilation cabinet comprises an experiment groove, a movable door and an air draft pump. The experiment groove is used for containing experiment liquid. And the movable door is movably connected with the experimental tank. The air draft pump is communicated with the experiment groove and used for extracting experiment waste gas. The chipset is arranged in the ventilation cabinet, the chipset comprises a block chain information tracing piece, and the block chain information tracing piece is in signal connection with the block chain network and is used for recording the source of the experimental liquid and a circulation process of the experimental liquid in the block chain network for tracing. The detection module is arranged in the ventilation cabinet and is in signal connection with the chipset; and the detection module is used for measuring the gas property of the experimental waste gas.

The invention discloses a liquid drop generation system and device. The system comprises a liquid drop generation assembly, a negative pressure device, a temperature control device and a receiving device. One end of the droplet generation assembly is communicated with the liquid container, and the other end of the droplet generation assembly outputs a product; the temperature control device provides a first environment temperature for droplet generation; one end of the receiving device is connected with the droplet generation assembly, and the other end is connected with the negative pressure device; the negative pressure device provides a negative pressure source, the liquid drop generation assembly generates liquid drops based on the negative pressure source, and the receiving device is used for receiving generated products and / or stabilizing pressure. The environment temperature required by an experiment is provided by the temperature control device, the negative pressure device outputs pressure, and on the basis, the negative pressure device, the receiving device and the liquid drop generation assembly are respectively communicated, so that a system capable of providing refrigeration, pressure control and follow-up treatment support for the liquid drop generation process is constructed; different functional components can be arranged in the receiving device, so that the receiving device can be used as a device for transferring and collecting to carry out treatment such as pressure stabilization, incubation or refrigeration.

The invention relates to the technical field of water treatment, and discloses a laboratory waste liquid disposal device for environmental monitoring, which comprises a water inlet pipe and a drain pipe I. The bottom of the water inlet pipe is fixedly connected with a detector. According to the laboratory waste liquid treatment device, the distillation device is arranged, laboratory waste liquid containing neutralizing liquid is distilled through the distillation device, the neutralizing liquid and the laboratory waste liquid are separated in a distillation mode, and the laboratory waste liquid reaches the discharge standard; the laboratory waste liquid and the neutralization liquid are separated, the distilled and separated neutralization liquid is prevented from falling back into the laboratory waste liquid, a flow guide assembly is arranged, the distilled and separated neutralization liquid is guided and collected in time through the flow guide assembly, and the separated neutralization liquid is prevented from falling back into the laboratory waste liquid after being evaporated again and the concentration is increased. The laboratory waste liquid disposal device for environmental monitoring can be normally used.

A smart fume hood is used for extracting the experimental waste gas generated by an experimental liquid and is electrically connected to a blockchain network. The smart fume hood includes a fume hood, a chipset, and a detection module. The fume hood includes an experimental tank, a moving door, and a peristaltic pump. The experimental tank is used for holding the experimental liquid. The moving door is movably connected to the experimental tank. The peristaltic pump is connected to the experimental tank and used for extracting the experimental waste gas. The chipset is located in the fume hood and includes a blockchain information tracking part. The blockchain information tracking part is electrically connected to the blockchain network and used for recording the source and logistics information of the experimental liquid on the blockchain network for tracing.

The invention relates to a door assembly (1) for a sealed enclosure, said enclosure comprising a wall having a wall portion (20) defining at least one passage opening therein, said door assembly (1) comprising a flange (3) intended for being attached to the wall portion (20), characterised in that the flange (3) comprises two flange elements (3a, 3b) assembled together, one of the flange elements (3a) defining a ring inside the enclosure, the other flange element (3b) defining a ring outside the enclosure, and means for clamping at least one of the two flange elements (3a, 3b) against the wall portion (20).

A method for draining oil from a pressure instrument is characterized in that a large amount of oil is often left in the instrument detached from the site, laboratory verification of the pressure instrument has extremely high cleanliness requirements, if the oil leaks, verification precision is interfered, verification equipment is damaged, and traditionally, workers mostly adopt a manual single oil draining mode or a simple support oil draining mode, so that the oil draining efficiency is greatly improved. In order to solve the problems of low efficiency, disordered oil collection, easy secondary pollution of lower-layer instruments and the like in the prior art, the oil collection device comprises at least two layers of vertical frames, a flow guide structure and an oil collection structure, the flow guide structure is fixed below a placement frame of each layer of vertical frame, and each layer of placement frame is fixedly connected through four stand columns; an oil collecting structure is arranged on the lowermost layer of the vertical frame; the flow guide structure comprises an upper structure, a lower structure is fixed to the lower end of the upper structure, and an outlet of the lower structure penetrates through the guide opening of the lower layer of the layer where the flow guide structure is located and extends to the position below the guide opening. The device is used for oil drainage of the pressure instrument.

The present application provides a kind of light experimental carrying case, including box cover openable and closable box, and box cover can be detached, the inside of the box is sequentially arranged with low temperature part, normal temperature part and garbage disposal part, and the low temperature part and normal temperature part and the normal temperature part and garbage disposal part are all provided with partition to isolate, the low temperature part is equipped with several box racks that can place reagent box, and box rack can be realized telescopic, the normal temperature part is provided with test tube area, general area and insert hanging area, and the box is also provided with small experimental equipment placement area;The carrying case is convenient to carry, the internal distribution is reasonable, all the experimental equipment required is classified clearly, and the experimental equipment in the box can also be displayed one by one, reduces the time of experimental personnel to take experimental equipment, guarantees the coherence of experiment, the garbage generated in experiment can be treated in time, avoids laboratory hygiene problem, the present application also provides a kind of operation method of light experimental carrying case.

The invention relates to the technical field of temporary storage cabinets, in particular to an anti-explosion temporary storage cabinet for laboratory hazardous waste, which comprises a cabinet body, a catalytic module is fixedly mounted at the lower part in the cabinet body, a storage rack is communicated with a communicating pipe through a slot formed in the storage rack, and the output end of the catalytic module is communicated with the communicating pipe. A fixing pipe is fixedly installed at the front end of the storage rack, the lower end of the fixing pipe is communicated with the communicating pipe, one side of the upper portion of the fixing pipe is communicated with an exhaust pipe, the lower end of the exhaust pipe is connected with an exhaust outlet, a concentration measuring mechanism is arranged on the upper portion of the interior of the exhaust pipe, and an adjusting mechanism is arranged on the upper portion of the fixing pipe. On one hand, VOCs gas generated by experiment waste can be purified to prevent the VOCs gas from exploding in the cabinet body, and on the other hand, the gas which is not completely purified can be secondarily purified to prevent the gas which is not completely purified from entering the air to pollute the environment.

The invention relates to the technical field of biochemical detection, in particular to a moving track control method of an automatic culture cabinet material conveying device. The moving track control method of the material conveying device comprises the following steps that after a telescopic mechanism is rotated and moved to a target storage layer of a target column storage rack, an inner ring rotating mechanism and an outer ring rotating mechanism are locked through a control module, and a telescopic rod enables an objective table to move to a first position from an initial state; and after the objective table reaches the first position, the objective table is lifted to a second position of the target storage layer through the lifting mechanism, and when the objective table carries a first material, after the vertical sensor sends a signal that the material conveying device obtains the first material, the objective table retracts to an initial state.

The safety cabinet of the present invention has an opening on the front of the working chamber and a front door, which supplies clean air to the working chamber from above. Side slits are provided on the side of the working chamber, so that the air from the side slits converges into the airflow path drawn in from the front mesh of the worktable forming the bottom surface of the working chamber, thus preventing airflow turbulence even when a device is provided in the working chamber.

An automated, large-scale, energy-efficient biological material storage and retrieval system stores large quantities of samples in trays. The system includes a heat exchanger to capture and recycle residual energy, a movable wall, a storage compartment, a multi-tray shuttle compartment with shuttle, a plenum to maintain air temperature between compartments and along the sections within the storage compartment, a mechanism to open and close dividers between compartments, and a tray connector to release or attach one or more trays within a compartment configured to minimize energy loss during operation.

The present invention relates to a door assembly (1) for a sealed enclosure, the enclosure comprising a wall having a wall portion (20) defining at least one passage opening therein, the door assembly (1) comprising a flange (3) intended to be attached to the wall portion (20), the flange (3) comprising two flange elements (3a, 3b) assembled together, one of the flange elements (3a) defining an internal ring of the enclosure and the other flange element (3b) defining an external ring of the enclosure, and means for clamping at least one of the two flange elements (3a, 3b) against the wall portion (20).

The invention relates to an automated liquid handling apparatus (10) for handling liquids (109), said apparatus comprising: i. a reaction vessel device (18) having a reaction vessel assembly (86) with a plurality of reaction vessels (88), wherein each reaction vessel (88) of the plurality of reaction vessels (88) has an outlet end (102) with an outlet port (104), ii. a waste-liquid receiving device (46) for receiving liquid discharged through the outlet port (104) in the reaction vessels (88) as handling waste, wherein the waste-liquid receiving device (46) comprises a waste collection container (45) with a receiving volume (45a) for receiving the handling waste from the plurality of reaction vessels (88) and comprises a waste container holder (28), and iii. a pressure modification device (62b), wherein the pressure modification device (62b) is designed to modify a gas pressure difference between an internal gas pressure in at least one reaction vessel (88) of the reaction vessel device (18) and an external gas pressure outside the at least one reaction vessel (88). The waste collection container (45) has a tray body (45c) and a container lid (45d) which is arranged on the tray body and covers at least most of the collection volume (45a) of the waste collection container.

The invention belongs to the technical field of laboratory equipment, and discloses a laboratory waste liquid collection system, which comprises: a waste liquid collection barrel, the waste liquid collection barrel is integrally formed by a cylindrical barrel body and an inverted trapezoidal base located at the bottom of the cylindrical barrel body, and the bottom of the inverted trapezoidal base is provided with a plurality of mounting grooves; the outer side wall of the cylindrical barrel body is provided with scale marks and a safe exhaust hole; a raised handle is arranged at the top of the outer side wall of the cylindrical barrel body; the barrel cover is installed at the top of the cylindrical barrel body, a protruding waste liquid inlet is formed in the upper portion of the barrel cover, and the waste liquid inlet is communicated with the interior of the cylindrical barrel body; the lifting handle and the waste liquid inlet are matched with the mounting groove, and a plurality of waste liquid collecting barrels can be stacked in sequence through the matching of the lifting handle, the waste liquid inlet and the mounting groove. According to the technical scheme, the device is simple in structure, safe and reliable, and the safety and convenience of laboratory waste liquid management are remarkably improved.

Systems and methods are disclosed for rapid PCR testing. Example embodiments may include a PCR testing module that includes a housing having a PCR machine disposed therein; a sample input station on the housing, wherein the sample input station is configured to receive a sample collection device (SCD) comprising a biological specimen sample provided by the patient; an SCD processing mechanism configured to transfer a lysed microportion of the biological specimen sample into a PCR sample tube attached to the SCD; at least one mechanism configured to separate the PCR sample tube from the SCD and transfer the PCR sample tube to the PCR machine; and a controller configured to (i) use the PCR machine to conduct a PCR test on contents of the PCR sample tube, and (ii) generate results of the PCR test.

A fume hood comprising a housing that separates an interior space from its surroundings, wherein the housing has a bottom working surface, a roof, a rear wall, side walls, and a front with a movable front slide, wherein at least one wall (10) has an opening (12) that can be closed by a closing element (20) for the passage of lines (30) from the surroundings into the interior space, wherein the closing element (20) is arranged to be displaceable parallel to the wall (10) forming a clamping area (32) for the lines (30) between an edge (14) of the opening and an end (22) of the closing element, characterized in that the closing element (20) is arranged in the interior space.

Presented is a method and apparatus for loading. The method includes loading one of an individually sterilized item or a non-sterile item into the cart, the cart comprising a top portion, and a plurality of wheels fixedly coupled to a bottom portion of the cart able to freely rotate and support the cart. The method further includes loading a sterilizing cabinet onto the cart, the sterilizing cabinet being removeably affixed to the cart and comprising an interior, the interior containing collectively sterilized items, the interior being sterilizeable and resealable.

A specimen treatment cartridge according to an embodiment includes a closed-system flow path, a storage container, and a sheet member. The closed-system flow path is provided for treating various types of liquids including a specimen. The storage container is a container in which the flow path is stored. The storage container includes an opening part used for accessing the flow path. The sheet member covers the opening part of the storage container. The sheet member is a member with a flexible material allowing access to the flow path in a state where the storage container is closed.

The invention relates to the technical field of laboratory garbage treatment, and discloses a laboratory hazardous waste storage rack which comprises an outer frame, an inner frame and a plurality of upper placing plates, the outer frame and the inner frame are connected through a plurality of detachable fixing assemblies, and a lower placing plate is installed in the inner frame and is connected with the outer frame through a plurality of detachable fixing assemblies. Sliding rails are fixedly connected to multiple sides of the interior of the outer frame, sliding tables are fixedly connected to multiple ends of an upper placement plate, the sliding tables are in sliding connection with the sliding rails, multiple first electric push rods are fixedly connected to the top of the outer frame, the first electric push rods are fixed to the upper placement plate, and two third electric push rods are fixedly connected to one side of the upper placement plate. According to the storage rack, a worker can conveniently carry a laboratory garbage can to the upper placement plate in a labor-saving mode, meanwhile, the worker can more smoothly move the garbage can in a labor-saving mode through the rollers, the worker can conveniently disassemble the storage rack, and use is more flexible.

The invention provides an anti-pollution safe inspection device, which relates to the field of sample inspection, and comprises a sample storage cabinet, a sample separation frame, a sample placement frame, a positioning mounting seat, a dustproof sealing plate, a limiting pressed plate, a disinfectant storage box and a disinfection nozzle, the sample separation frame is fixedly connected to the inner side of the sample storage cabinet; the sample placement frame is slidably connected to the inner side of the sample separation frame; the positioning mounting seat is in bolted connection with the front side of the sample storage cabinet; the dustproof sealing plate is hinged to the front side of the positioning mounting seat; the limiting pressed plate is slidably connected to the rear side of the sample placing rack; the disinfectant storage box is in bolted connection with the upper part of the sample separation frame; the disinfection nozzle is fixedly connected to the front side of the disinfectant storage box; according to the sample cabinet, the sample placing rack can be automatically disinfected, a large amount of time is saved, the use effect of the sample cabinet is improved, and the problem that the use effect of the sample cabinet is affected due to the fact that the sample cabinet needs to be cleaned for a long time is solved.

Provide smart fume hoods. [Solution] The smart fume hood 1 is used to extract the experimental exhaust gas 910 generated by the experimental liquid 900, and the signal is connected to the blockchain network. The smart fume hood 1 includes a fume hood 10, a chipset 20, and a detection module 30. The fume hood includes an experimental water tank 11, a movable door 12, and a ventilation pump 13. The experimental water tank is filled with the experimental liquid. The movable door is movably connected to the experimental water tank. The ventilation pump is connected to the experimental water tank and is used to extract the experimental exhaust gas. The chipset is installed in the fume hood, includes a traceability element of blockchain information, and records the source of the experimental liquid and the distribution history of the experimental liquid in the blockchain network. The detection module measures the gas properties of the experimental exhaust gas.

A system for dispensing a liquid in a closed chamber includes at least one rapid transfer port in at least one wall of the closed chamber. In addition, a liquid is dispensed in a closed chamber that includes at least one rapid transfer port in at least one wall of the closed chamber.

A contained drum discharge system (110) comprising a drum (2) and connected with a lifting mechanism, wherein the drum (2) includes a primary liner bag (5) having the toxic powdery material to be disposed, contained within the secondary liner bag (4), and a tertiary liner bag (3) enclosing the secondary liner bag (4); a transparent glove box (22); a hopper (18) connected at a top of the glove box (22) and with a vacuum transfer system (25) of a material processing reactor (26); and a control unit (31) connected with the glove box (22) via a rotation mechanism and with the lifting mechanism of the drum (2). The glove box (22) includes a plurality of glove ports (16) connected with respective glove attachments; a plurality of thrashout ports with door (9, 15); a sealing gasket (7) to connect with the drum (2); a first liner port (6); a second liner port (8) and a third liner port.