30results about "Hazardous material storage" patented technology

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 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.

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 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.

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.

The invention relates to the field of chemical reagent storage, in particular to a reagent storage device for chemical experiments. The invention provides a chemical experiment reagent storage device which comprises a storage cabinet, the interior of the storage cabinet is divided into an upper compartment and a lower compartment, an exhaust pipe and an exhaust fan are arranged on the top wall of the storage cabinet, each compartment is provided with a closed closing door, and glass facilitating observation is arranged on the closing door on the upper side. Symmetrically distributed guide frames are fixedly connected to the inner wall of the upper compartment, a rotating plate is rotationally connected to an opening of each guide frame, and a torsional spring is connected between the rotating plate and the adjacent guide frame. Through linkage of the automatic sealing device and the highly toxic gas monitoring system, the cabinet door is locked in time, and gas diffusion is prevented; a fool-proof mechanism ensures cooperative operation of two persons, and errors are avoided; the storage box collects leaked liquid, the rotating plate controls the guide frame channel to be opened and closed, storage and taking convenience, leakage prevention performance and emergency treatment efficiency are optimized, and the safety of a laboratory is remarkably improved.

The invention discloses a pathological sampling table capable of collecting chemical wastes in a split-flow manner. Comprising a working table with a table top; the water tank is embedded in the table top and is provided with a cleaning tank with an upper opening, a partition plate is arranged in the middle of the cleaning tank so as to divide the cleaning tank into a sewage tank and a waste tank, sewage discharging ports are formed in the bottoms of the sewage tank and the waste tank, and the sewage discharging ports are connected with sewage discharging pipes; the cover plate is slidably arranged at the upper end of the water tank in a covering mode and has a first covering state and a second covering state, and the cover plate in the first covering state and the cover plate in the second covering state cover the sewage tank and the waste tank respectively. According to the design of the water tank, the cleaning tank is divided into the sewage tank and the waste tank through the partition plate, so that chemical waste and common sewage can be collected respectively. According to the split-flow design, the chemical waste is prevented from being mixed with common sewage, so that the subsequent waste liquid treatment cost is reduced, meanwhile, the chemical waste can be collected in a targeted manner, and the management requirement of dangerous chemical waste liquid is met.

The present invention relates to the technical field of waste collection devices, and in particular to an integrated biomaterial waste collection device, comprising an outer protective cylinder, a cover, a detachable biosafety liner, a sealing structure, a ring-cutting structure, and a compacting structure; the sealing structure of the present invention can compact the waste in the detachable biosafety liner waste bag internally, thereby preventing the waste from overflowing from the detachable biosafety liner waste bag and preventing the bag from rupturing due to the displacement of the waste during transportation; the present invention can cover the top of the garbage bag in the inner cylinder with a biosafety film through the cooperation of the sealing structure and the ring-cutting structure, and complete the cutting of the biosafety film, thereby completing the sealing of the garbage bag inside the inner cylinder by the biosafety film, thereby preventing garbage from falling out of the inner cylinder during movement and preventing bacteria and viruses contained in the garbage in the garbage bag in the inner cylinder from spreading along the way.

An automated, large-scale, energy-efficient biological material storage and retrieval system stores a large number of samples in a tray. The system includes a heat exchanger for capturing and recirculating residual energy, a movable wall, a storage compartment, a multi-tray shuttle compartment with shuttles, a plenum for maintaining the temperature of air between the compartments and along sections within the storage compartment, a mechanism for opening and closing partitions between the compartments, and a tray connector for releasing or attaching one or more trays within the compartment, the tray connector configured to minimize energy loss during operation.

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.

To provide a door assembly that can be assembled simply, quickly and easily without altering the walls of the enclosure.SOLUTION: The current invention is a door assembly (1) for a sealed enclosure. The enclosure includes a wall having a wall part (20) defining at least one passage opening therein. The door assembly (1) includes a flange (3) that is intended to be fitted to the wall part (20). The flange (3) includes: two flange elements (3a, 3b) assembled together, one of the flange elements (3a) defining a ring inside the enclosure, and 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) to the wall part (20).SELECTED DRAWING: Figure 2

The invention relates to the technical field of equipment special for laboratories, in particular to an intelligent reagent storage cabinet and a management system thereof.The intelligent reagent storage cabinet comprises an automatic medicine taking module and an information acquisition module, and the automatic medicine taking module is provided with a plurality of isolated medicine taking channels; each isolated medicine taking channel is used for automatically taking medicine in a target reagent grid and automatically updating a medicine taking log, and the information acquisition module comprises a plurality of sensor groups for monitoring gas data of each feature point location in real time; the intelligent reagent storage cabinet management system comprises a confirmation module and an adjusting module. The confirmation module determines the working state of the ventilation device according to the air speed of the air inlet and outlet of the fan so as to determine the fluid motion state of the reagent storage cabinet. And the adjusting module judges the channel attribute of the corresponding isolated medicine taking channel in combination with each medicine taking log and determines the isolated medicine taking channel for current medicine taking according to the channel attribute of each isolated medicine taking channel in response to the medicine taking request. According to the invention, the mutual pollution between the stored reagents and the pollution to the external environment during medicine taking are reduced.

The invention discloses beaker treatment equipment for water sample detection, and relates to the technical field of environment detection water sample treatment. Comprising a box base, a waste liquid collecting mechanism, a cleaning mechanism, an annular conveying mechanism, a cup wiping mechanism, a taking and placing mechanism, a raw waste liquid collecting tank and a cleaning waste liquid collecting tank. An annular conveying mechanism is fixed to the middle of the surface of the box base. A partition plate is vertically fixed to the middle of the annular conveying mechanism, a waste liquid collecting mechanism, a cleaning mechanism and a cup wiping mechanism are arranged on one side of the partition plate, and a taking and placing mechanism is arranged on the other side of the partition plate. A beaker is placed on a base on the annular conveying mechanism and moves along an annular path; the bottom of the waste liquid collecting mechanism is communicated with a raw waste liquid collecting tank; the bottom of the cleaning mechanism is communicated with a cleaning waste liquid tank; by means of the equipment, waste liquid can be poured, collected and cleaned in the beaker, waste liquid collection is completed, part of repeated operation steps are replaced, and efficiency is improved.

The invention relates to a laboratory reagent cabinet and an intelligent reagent management method. A medicine information acquisition and verification module is in signal connection with a control terminal and is used for acquiring basic information, external dimensions and real-time weights of reagents when the reagents are put in storage and transmitting the acquired data to the control terminal; the information consistency checking module is used for checking information consistency when a reagent is taken; each storage unit is provided with an independent storage chamber, and a tray matched with reagent bottles of different specifications and a movement mechanism used for controlling the tray to drive the reagent bottles to enter and exit from the chamber are uniformly distributed in each chamber; the information identification module is used for identifying the specification of the tray in each bin and collecting the position and appearance information of the reagent bottles when the reagent bottles are put in storage, taken or returned, and the display module is used for displaying the basic information, the inventory state, the validity period information and the operation guidance of the reagents in each storage unit in real time. According to the invention, automatic, standardized and efficient management of laboratory drugs is effectively realized.

The present application relates to the technical field of laboratory special equipment, and more particularly to an intelligent reagent storage cabinet and a management system thereof, the intelligent reagent storage cabinet comprising an automatic medicine taking module and an information acquisition module, the automatic medicine taking module comprising a plurality of isolated medicine taking channels, each isolated medicine taking channel being configured to automatically take medicine in a target reagent compartment and automatically update a medicine taking log, and the information acquisition module comprising a plurality of sensor groups configured to monitor gas data of each feature point in real time; the intelligent reagent storage cabinet management system comprising a confirmation module and an adjustment module, the confirmation module being configured to determine the working state of a ventilation device according to the air speed of a fan inlet and outlet to determine the fluid motion state of the reagent storage cabinet; and the adjustment module being configured to determine the channel attribute of a corresponding isolated medicine taking channel in combination with each medicine taking log, and determine the isolated medicine taking channel for the current medicine taking according to the channel attribute of each isolated medicine taking channel in response to a medicine taking request. The present application reduces the mutual contamination between stored reagents and the contamination of the external environment during medicine taking.

An automated liquid treatment apparatus (10) for treating a liquid (109), comprising: i. A reaction vessel arrangement (18) comprising a reaction vessel assembly (86) having a plurality of reaction vessels (88) wherein each reaction vessel (88) of the plurality of reaction vessels (88) has an output end (102) with an output opening (104); ii. A waste receiving device (46) for receiving a liquid output as treatment waste through an output opening (104) of the reaction vessel (88), the waste receiving device (46) having a waste collecting vessel (45) having a receiving volume (45a) for receiving treatment waste of a plurality of reaction vessels (88) and a waste vessel carrier (28); and iii. A pressure changing device (62b), wherein the pressure changing device (62b) is designed to change a pressure difference between an internal pressure in the at least one reaction vessel (88) of the reaction vessel arrangement (18) and an external pressure outside the at least one reaction vessel (88). The waste collection container (45) has a basin-shaped body (45c) and a container cover (45d), which is arranged on the basin-shaped body and at least largely covers a receiving volume (45a) of the waste collection container.

The invention provides a laboratory dangerous waste liquid classification recycling and capacity monitoring early warning method and system.The laboratory dangerous waste liquid classification method is applied to a recycling device with multiple waste liquid recycling areas, and the recycling device comprises a waste liquid storage area and the multiple waste liquid recycling areas; the laboratory dangerous waste liquid classification recycling method comprises the steps that a waste liquid recycling signal is obtained, and a deposit inlet of a waste liquid deposit area is opened based on the waste liquid recycling signal to receive to-be-recycled waste liquid; obtaining to-be-recycled information of the to-be-recycled waste liquid and recycled information of the waste liquid in each waste liquid recycling area, and determining a target waste liquid recycling area in which the to-be-recycled waste liquid needs to be recycled based on the to-be-recycled information and the recycled information; and generating a corresponding target waste liquid storage signal based on the target waste liquid recovery area, and opening a connection channel between the waste liquid storage area and the target waste liquid recovery area based on the target waste liquid storage signal so as to recover the waste liquid to be recovered in the target waste liquid recovery area. According to the method, the waste liquid can be safely recycled at low cost.

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).

The present invention relates to a system for dispensing a liquid in a closed chamber which comprises at least one rapid transfer port in at least one wall of said closed chamber. In addition, the present invention also relates to a method of dispensing a liquid in a closed chamber which comprises at least one rapid transfer port in at least one wall of said closed chamber.

The invention discloses a laboratory sewage purification treatment device for biotechnology, and belongs to the field of sewage treatment. Comprising a filtering mechanism, and a driving mechanism is arranged on the outer side of the filtering mechanism; a purifying mechanism is arranged on the right side of the filtering mechanism; the filtering mechanism comprises a filtering box, a penetrating through groove is formed in the top of the filtering box, and a first shaft seat is fixedly connected to the position, located on the right side of the through groove, of the upper surface of the filtering box; according to the device, solid impurities and experimental residues in sewage are thoroughly intercepted through an integrated filtering mechanism, a clean and stable treatment object is provided for subsequent ozone oxidation and chemical purification, and the device is additionally provided with a purification liquid precise adding module on the basis of a traditional ozone oxidation technology; a three-stage treatment system of physical filtration, ozone oxidation and chemical purification is formed, synergistic interaction of pollutant removal is realized, and purification links can be reduced as required.

A door for a laboratory workstation is disclosed. The laboratory workstation has a horizontally extending work surface for providing a working area. The door is movable in relation to the work surface in a vertical direction perpendicular to the work surface between a safety position, in which the door closes the working area for manual access of a user, an access position in which the working area is open for manual access of a user, and a loading position.

The application discloses a kind of collection devices of residual liquid sample in ultrahigh vacuum cavity, including liquid beam current trap upper end, residual liquid sample incident port, heating element, thermistor, liquid beam current trap lower end, standard vacuum flange, gate valve, vertical degree of freedom adjusting device, liquid sample cooling tank, liquid nitrogen input port, nitrogen output port, stainless steel tube, dewar flask.The device is condensed to liquid sample cooling tank by residual liquid sample using liquid nitrogen cooling collection device through liquid beam current trap upper end face incident port, realizes the recovery of residual liquid sample in ultrahigh vacuum cavity.The application is scientific and simple in design, easy to operate, and efficient in recovery, can quickly and quickly clean up the excess liquid sample in the cavity during the experiment, minimize the influence of excess liquid sample on the vacuum degree of vacuum cavity, and can be suitable for the research of different residual liquid sample experiments in ultrahigh vacuum cavity.

The application provides a waste liquid collecting device, comprising a shell, a waste liquid tank arranged in the shell, a rotating door, one edge of the rotating door being rotatably connected with the shell and having a closed position for shielding the waste liquid tank and an open position for exposing the waste liquid tank, and a waste liquid needle assembly arranged in the shell, the waste liquid needle assembly comprising a seat body, a waste liquid needle telescopically arranged in the seat body and a driving member, the waste liquid needle having an extended position for extending into the waste liquid tank and a retracted position for being separated from the waste liquid tank, and the rotating door being drivingly matched with the driving member to drive the waste liquid needle to move between the extended position and the retracted position by the driving member. The technical scheme of the application can effectively solve the problem of complicated operation of putting the waste liquid needle into the waste liquid tank or taking the waste liquid needle out of the waste liquid tank in the related art.

The application discloses a radioactive source term heat and mass transfer visualization experiment device, one end of an experiment main body system is divided into three paths, one path is connected with a gaseous iodine sampling and measuring system, a second path is connected with an aerosol sampling and measuring system, and a third path is connected with a gaseous iodine generation and distribution system, an aerosol generation and distribution system, a steam distribution system and an air distribution system through a gas mixing system; the other end of the experiment main body system is provided with a high-speed photography system and is connected with a water replenishing system, a liquid phase sampling system and a spray droplet system. The device can simulate the aerosol, gaseous iodine and methyl iodine environment under different steam proportions, temperatures and pressures, and further realize the research on the removal and retention characteristics of the source term under different flow rates and different heat and mass transfer forms, thereby providing data support for the dose evaluation of the radioactive source term after an accident and the modification of a source term prediction model.