167results about "Dust-free enclosures" patented technology

The utility model discloses a biosafety cabinet capable of double-layer filtration, which comprises a cabinet body, an operation chamber is arranged in the cabinet body, and a bottom air duct is arranged at the bottom end of the operation chamber. By arranging the reducing pipe, the exhaust pipe, the exhaust outlet, the filter box, the exhaust filter, the air disc and the high alcohol, double-layer filtration of exhausted air is achieved, air can be exhausted into the reducing pipe through operation of the exhaust fan, airflow can be concentrated and pressurized through arrangement of the reducing pipe, meanwhile, the air is conveyed into the filter box, and the filtering effect is improved. The air disc divides air into a plurality of small bubbles and increases the contact area with the high-alcohol, the high-alcohol can kill bacteria in the air and adsorb particle dust and various suspended solids, then the air is conveyed into the air exhaust opening, secondary filtering is conducted when the air passes through the air exhaust filter, and the exhausted air is purified; therefore, the exhausted air does not carry germs, the environment is prevented from being polluted, and the use safety is improved.

The invention provides air purification equipment applied to wafer detection and a wafer detection system.The air purification equipment comprises a rack and an air supply part, an outer protection cavity, a light path cavity and a detection cavity are formed in the rack, the light path cavity and the detection cavity are formed in the outer protection cavity, and the air supply part communicates with the outer protection cavity, the light path cavity and the detection cavity; the air pressure in the detection cavity is greater than the air pressure in the light path cavity, and the air pressure in the light path cavity is greater than the air pressure in the outer protection cavity. The light path cavity and the detection cavity are arranged in the outer protection cavity, and a gradient air pressure system in which the air pressure of the detection cavity is higher than that of the light path cavity and the air pressure of the light path cavity is higher than that of the outer protection cavity is constructed, so that multiple protection barriers are formed, external pollutants are effectively prevented from invading a core working area, and the cleanliness control effect is improved; and the requirement of nanoscale wafer detection on the environment is met.

A configurable workstation includes a support frame defining a workspace for performing a scientific procedure, multiple modules that are configured to be selectively installed to the support frame for customizing a functional profile of the configurable workstation, and a server computing device hosting an application that provides a user interface for controlling operations of the configurable workstation.

The invention relates to a decontamination method, in particular for use in pharmaceutical engineering, characterized by the following method steps: introducing a decontamination agent into at least one gas line (07) for supplying at least one atomizer (04) with a carrier gas flow, preferably compressed air; the atomizer is arranged in the isolation space (02) and is preferably realized as a two-fluid nozzle; the at least one atomizer (04) is supplied with a decontaminating liquid, preferably hydrogen peroxide, by a decontaminating agent storage container (06) via a valve device controlled by an electronic control device in order to generate a decontaminating aerosol during a decontaminating operation of the isolated space (02); the at least one atomizer (04) is connected in a gas-conducting manner to a gas pressure source (08) via the gas line (07), and a filter (11) for filtering the carrier gas flow is arranged in the gas line (07) between the gas pressure source (08) and the atomizer (04), preferably separately configured for each atomizer (04).

The invention belongs to the technical field of electrical equipment detection, and particularly relates to switch structure gas-filled cabinet gas leakage detection equipment, which comprises a test box, a bracket, a gas storage cylinder, a resealing type density measurement mechanism and a diversion type residue removal mechanism, the bracket is arranged on the side wall of the test box, the upper end of the test box is open, the gas storage cylinder is arranged at one end, far away from the test box, of the bracket, and the resealing type density measurement mechanism is arranged on the bracket. The re-sealing type density measuring mechanism is arranged on the test box, the flow guide type residue removing mechanism is arranged on the air storage cylinder, and the re-sealing type density measuring mechanism comprises a splicing assembly, a clamping assembly, a closing assembly, a negative pressure assembly, a draining and filtering assembly and an air supply assembly. The invention provides the gas leakage detection equipment for the gas-filled cabinet with the switch structure, which is used for testing the sealing performance of the gas-filled cabinet from the outside and is beneficial to removing harmful insulating gas physically adsorbed by the tested gas-filled cabinet.

This invention relates to the field of clean bench technology, specifically an air outlet structure and a microscope based on a small clean bench. The air outlet structure includes: a first air guide component with a first air guide cavity inside; a second air guide component located at the center of the bottom of the first air guide component and rotatably connected to it, with a second air guide cavity inside; a first air outlet component located outside the first air guide component, with its inlet end communicating with the first air guide cavity; and a second air outlet component located at the bottom of the second air guide component, with its inlet end communicating with the second air guide cavity. In use, the first air outlet component enables vertical airflow, while the second air outlet component enables rotary airflow. Because the first and second air outlet components are positioned differently, the air blown out by rotation will not directly contact the air blown downwards vertically, thus improving the ability to remove dust and microbial particles.

The utility model relates to the field of activated carbon dust treatment, in particular to an operating table capable of preventing activated carbon dust from flying, which comprises a table top, a U-shaped baffle, a spraying mechanism and a collecting mechanism, the spraying mechanism comprises a conveying component and a plurality of atomizing nozzles, and the collecting mechanism comprises three water absorption tanks and three extraction components. Water can be conveyed to a plurality of atomization nozzles through the conveying assembly and sprayed out through the atomization nozzles, the atomization nozzles spray atomized water drops, the atomized water drops adhere to dust on an operation table, the dust falling effect is achieved, dust raising is effectively avoided, when the extraction assembly works, the inner wall of a water suction groove generates gravitation, and the dust falling effect is improved. Atomized water drops attached with dust are adsorbed into the collecting box to be collected, activated carbon dust on the surface of the table top can be effectively and automatically adsorbed and cleaned, and manual cleaning of workers is not needed.

A leveling device, includes a leveling plate (6), a first leveling member (4), a second leveling member (5). The first leveling member (4) and the second leveling member (5) are both provided on the leveling plate (6) and can level the leveling plate independently of each other. And a controller communicatively connected with said first leveling member (4) for controlling the lifting and lowering of the first leveling member (4).The leveling device of the embodiment of the application enables convenient and accurate leveling of the first modular cleanroom (11) and frees operators from complex leveling operations without altering the existing trolley (2).

The machine (1) for pharmaceutical or biotechnological processes comprises a structure (10) that defines a chamber (100) with a constant or decreasing horizontal section (A), movement means for moving materials and / or tools in the working space (100a), and ventilation means (2) with a treatment unit (221), inlets (21a, 21b) and outlets (25a, 25b). The first wall (13) advantageously comprises a first portion (131), a second portion (132) spaced apart from the first portion (131) and an inclined portion (133) with respect to the horizontal plane (H) extending upwards and downwards respectively, the inclined portion (133) adjoining the first portion (131) and the second portion (132) to define the chamber (100). The operating space (100a) extends at least partially above the angled portion (133) and / or within a volume disposed above the first portion (131) and in front of the angled portion (133).

An aseptic containment chamber defines a containment volume for the handling and / or processing of chemical-pharmaceutical-biological substances and comprises a lighting system with adjustable colour temperature; the lighting system comprises a lighting body having at least one LED source configured to emit at least one beam of warm light and / or a beam of cool light of adjustable intensity and directed towards the inside of the containment volume and at least one unit for the adjustment and / or partialisation of the current in relation to the voltage and / or intensity for adjusting the emission of the beam of warm and / or cool light from the LED source.

A wall panel (10) for a wall system, in particular a cleanroom wall system (1), is disclosed, wherein the wall panel (10) comprises a central surface section (12) bounded by a plurality of edges (14), wherein a V-shaped collar (20) is arranged on at least one of the edges (14), the collar having a first collar section (22) and a second collar section (24), wherein the first collar section (22) adjoins the surface section (12) such that the surface section (12) and the first collar section (22) form an angle of less than 90 degrees, wherein the second collar section (24) is bent outwards relative to the first collar section (22), and wherein a seal (30) for sealing the wall panel (10) against a counterpart (41, 42) of the wall system is provided on an outer surface (23, 29) of the collar (20) facing away from the surface section (12). (1) is ordered,a cleanroom wall system (1) comprising such a wall panel (10) and a mullion-beam construction (40) to which the wall panel (10) is connected, wherein the wall panel (10) is sealed against components (41, 42) of the mullion-beam construction (40), and the use of such a wall panel (10) in a cleanroom, industrial or office wall system (1).

Relates to the field of safety cabinets, and discloses a biological safety cabinet with a steel wire rope anti-falling device, which comprises a safety cabinet, a box door movably arranged on the safety cabinet, a steel wire rope arranged at the upper end of the box door and a balancing weight arranged on the rear side of the safety cabinet and connected with the steel wire rope. The guide wheel device is arranged at the upper part of the safety cabinet, is connected with the steel wire rope and is used for guiding the steel wire rope; the guide wheel box is arranged at the upper end of the safety cabinet and used for protecting the guide wheel device; according to the guide wheel device for the biological safety cabinet, the steel wire rope is effectively prevented from loosening or falling off from the guide wheel device in the using process, and therefore the operation safety of the biological safety cabinet is remarkably improved.

The invention relates to the technical field of biological laboratory automatic treatment, and discloses a double-fan biological safety cabinet which comprises a cabinet body, an inner container is arranged below the cabinet body, a pressure inlet cavity and a negative pressure cavity are formed in the upper portion of the cabinet body, the pressure inlet cavity is communicated to an upper air inlet of the inner container through a lower efficient filter, and the negative pressure cavity is communicated to a lower air outlet of the inner container through a lower efficient filter. A side cavity is formed between the rear side edge of the inner container and the cabinet body, the bottom of the side cavity is communicated to the interior of the inner container through side discharging holes in the lower portion of the inner container, a first centrifugal fan and a second centrifugal fan are arranged in the negative pressure cavity, and air inlets of the first centrifugal fan and the second centrifugal fan are both located in the negative pressure cavity. An air outlet of the first centrifugal fan is located in the pressure inlet cavity, and an air outlet of the second centrifugal fan is communicated to the outside of the cabinet body through an upper efficient filter above the cabinet body. Positive pressure is generated through the pressure inlet cavity, negative pressure is generated through the negative pressure cavity, circulating air is formed in the inner container, and accurate adjustment of the negative pressure in the inner container is achieved through the two centrifugal fans.

The invention relates to a transfer system (S1) for a sealed enclosure, the sealed enclosure defining a first enclosed volume and having at least one sealed connection device (D) for connecting to a second enclosed volume, the transfer system being intended to be disposed in the enclosure and to be fixed to a wall of the latter, the transfer system (S1) having a chute (14) and an articulation device (20) fixed inside the enclosure, the articulation device having two arms (22, 24) and three pivot hinges (26, 28, 30) and three motors.

The utility model discloses an isolator based on a separated hydrogen peroxide evaporation conveying system, and relates to the technical field of pharmacy. Comprising a vaporized hydrogen peroxide generator, a conveying pipeline, a static pressure cabin and an operation cabin, the static pressure cabin and the operation cabin are arranged in an isolator box body, the vaporized hydrogen peroxide generator is communicated with the static pressure cabin through the conveying pipeline, and the static pressure cabin is communicated with the operation cabin through a circulating filter. The vaporized hydrogen peroxide generator comprises a storage and weighing system, a hydrogen peroxide evaporation system and a high-efficiency filter which are communicated in sequence, the storage and weighing system is used for storing and metering liquid hydrogen peroxide, and the hydrogen peroxide evaporation system is used for heating and vaporizing the liquid hydrogen peroxide; feeding into the static pressure cabin through a high-efficiency filter and a conveying pipeline; by designing the separated hydrogen peroxide evaporation conveying system, the equipment size and sanitation dead angles are reduced, and the pollution risk of a hydrogen peroxide evaporation device to a clean area is reduced.

The utility model relates to a double-sterilization internal circulation sterile isolator which comprises a main cabin, a vaporized hydrogen peroxide generator (arranged above a high-efficiency filter), a laminar flow fan, the high-efficiency filter, an air return wall, an atomized hydrogen peroxide generator (arranged below the high-efficiency filter), an internal circulation catalytic decomposer, an air inlet fan and the like. And components such as an external discharge pressure-maintaining catalytic decomposer and an external discharge pressure-maintaining catalytic decomposer are also arranged. The two hydrogen peroxide generators are utilized to realize double sterilization, and the internal circulation catalytic decomposer is used for internal circulation residue discharge, so that the replacement rate is improved. The temperature, saturation and other parameters are monitored and controlled through the sensor, the sterilization effect is ensured, and the environment in the main chamber is stable. The isolator solves the problems that an existing isolator is low in sterilization efficiency, long in residue discharging time, high in requirement for fresh air volume, large in energy consumption and the like, and is widely applied to the fields such as medical treatment and pharmacy which have high requirements for the sterile environment.

The utility model relates to the technical field of biological safety cabinets, and discloses a biological safety cabinet for sample preserving fluid, which comprises a cabinet body, a ventilation component arranged at the top of the cabinet body, an opening arranged on the front side of the cabinet body, an operation component arranged inside the cabinet body, a limiting component arranged on one side of the bottom of the cabinet body, and a control component arranged on the other side of the cabinet body. A support is fixedly connected to the bottom of the cabinet body, a filter is fixedly installed in the cabinet body, the operation assembly comprises a damping column, the bottom of the damping column is fixedly connected to the interior of the cabinet body, a supporting plate is fixedly connected to the top of the damping column, a working platform is placed on the top of the supporting plate, and a first glass door is installed at an opening of the cabinet body. The bottom of the first glass door is rotationally connected with a second glass door, and the bottom of the second glass door is fixedly connected with a supporting rod. According to the utility model, by operating the assembly device, the fatigue of the arm is reduced, meanwhile, the visual operation at a short distance can be realized, and the detailed reaction of observing a sample can be clearer.

The test box comprises a box body, a filter screen, a brush assembly and a dust collection assembly, a test cavity and an equipment cavity are arranged in the box body, at least one of the test cavity and the equipment cavity is provided with a ventilation opening, the filter screen is arranged at the ventilation opening and located on the outer side of the box body, and the brush assembly is movably arranged in the box body and used for cleaning the filter screen. The brush assembly comprises a brush and a brush head, a cavity is defined in the brush head, a first through opening communicated with the cavity is formed in the cavity wall of the cavity, the brush is arranged on the cavity wall of the cavity, the brush and the first through opening are located on the same side of the cavity, the dust collection assembly is arranged in the equipment cavity, and a dust collection opening of the dust collection assembly is communicated with the cavity through a connecting pipe. Therefore, the brush assembly is used for cleaning the filter screen arranged at the ventilation opening, the brush is arranged on the cavity wall of the cavity of the brush head, the dust suction assembly is communicated with the cavity through the connecting pipe, dust and impurities generated in the process that the filter screen is cleaned by the brush can be sucked away, the cleaning step of the filter screen is simplified, and the cleaning efficiency is improved.

Relates to the field of safety cabinets, and discloses a biological safety cabinet workbench convenient to clean, which comprises a safety cabinet, a box door arranged on one side of the safety cabinet and a workbench arranged in the safety cabinet, and further comprises a supporting device arranged in the safety cabinet and used for supporting the workbench; the adjusting device is arranged on the side, close to the box door, of the lower end of the supporting device and used for adjusting the mounting angle of the workbench; the cleaning device is arranged at the lower end of the adjusting device and used for cleaning the lower end of the workbench, the cleaning steps of the workbench are simplified, the working efficiency of workbench cleaning is improved, meanwhile, the hygienic standard of the workbench is guaranteed, and experiments or work can be conducted smoothly.

The invention relates to a panel (10) for a room system, in particular a clean room system (1), the panel (10) comprising a central areal portion (12) which is delimited by a plurality of edges (14), wherein: a V-shaped collar (20) is arranged on at least one of the edges (14), said V-shaped collar having a first collar portion (22) and a second collar portion (24); the first collar portion (22) adjoins the areal portion (12) in such a way that the areal portion (12) and the first collar portion (22) include an angle of less than 90 degrees; the second collar portion (24) is bent outward with respect to the first collar portion (22); and a seal (30) for sealing the panel (10) against a counterpart (41, 42) of the room system (1) is arranged on an outer surface (23, 29) of the collar (20) facing away from the areal portion (12). The invention further relates to a room system, in particular a clean room system (1), comprising at least one panel (10) of this type, which is sealingly inserted against components (10, 41, 42) of the room system (1).

The invention relates to the technical field of sampling equipment, and particularly discloses a volatile substance simulation sampler which comprises a sampling equipment box, a fixed partition plate is fixedly arranged in the middle of the interior of the sampling equipment box, and a sampling auxiliary assembly is arranged at the top of the fixed partition plate; the sampling auxiliary assembly is composed of a coil fixing frame and a heating frame, the coil fixing frame is fixedly arranged at the top of the fixed partition plate, the heating frame is fixedly arranged at the top of the coil fixing frame, and an experiment container is placed at the top of the heating frame. A dual heating mode of combining an infrared heating tube and a ceramic heating sleeve is adopted, the infrared heating tube heats the bottom of an experimental container, and the ceramic heating sleeve wraps the outside of the container in the full circumferential direction, so that the temperature rise rate of a reagent is increased, heat loss is effectively reduced, and it is ensured that the temperature of the reagent in the container is uniform and stable; the magnetic stirring function is matched, the stirring rotating speed can be flexibly adjusted according to the liquid phase viscosity of the reagent, the problems of local concentration layering and non-uniform temperature are avoided, and the reagent is mixed more uniformly.

The invention relates to an automatic liquid treatment platform system with an anti-pollution function, and the system comprises a housing which is internally provided with a workbench; the liquid transfer module is arranged above the workbench in a sliding manner and is used for transferring nucleic acid liquid and adding the nucleic acid liquid into the pore plate; the PCR amplification module is arranged on the workbench and is used for carrying out amplification, enzyme digestion and marking on nucleic acid; the nucleic acid extraction / purification module is arranged on the workbench and is used for extracting and purifying the nucleic acid treated by the PCR amplification module; the nucleic acid concentration detection module is also arranged on the workbench and is used for detecting the concentration of extracted and purified nucleic acid; and the control unit is used for controlling each module to act so as to realize the automatic nucleic acid processing flow. The system solves the problem of low efficiency caused by respective operation of a nucleic acid extraction / purification module set, a PCR amplification module set, a nucleic acid concentration detection module set and the like at present.

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.

A beta component (24) of a transfer system (22), the beta component having a beta flange (26), a containment body (44) delimiting a containment space (36) and connected to the beta flange (26), a beta closure unit (30) removably connected to the beta flange (26) for opening and closing the containment space (36), the beta flange (26) and the beta closure unit (30) being configured to be coupled to an alpha flange (28) and an alpha closure unit (29) of an alpha port (27); the beta component (24) comprising: a positioning device (25) slidingly mounted to the beta flange (26) and having a proximal end (21) which is the innermost in the containment space (36) and an opposite distal end (23), wherein the positioning device (25) is movable between a rear position and a front position; in the rear position, the distal end (23) is inside the containment space (36); in the front position, the distal end (23) can be positioned outside the containment space (36) when the beta closure unit (30) opens the containment space (36), a retention support (50) having a rear side (71) fixed to the distal end (23) of the positioning device (25) and an opposite front side (72), wherein the front side is provided with seats (70) for holding respective filling needles (20).

The utility model relates to the technical field of laminar flow vehicles, and particularly discloses a laminar flow vehicle with an adjustable operating table, which comprises a laminar flow cover and a base, the laminar flow cover is connected with the base through a stand column, a glass door is mounted on the stand column, an operating port is arranged on the glass door, the operating table is arranged above the base, and the operating table is arranged above the base. The operation table comprises a lifting frame in sliding fit with the stand column, the bottom of the lifting frame and the base are fixed through a supporting rod, and a detachable table top is arranged in the lifting frame. The height of the operation table can be adjusted according to use requirements, observation and operation of personnel are facilitated, use is flexible and convenient, the problem that an existing operation table is fixed and cannot be adaptively adjusted according to different operations is solved, and use convenience of the device is improved.

Plant for carrying out process steps on containers at least partially under cleanroom conditions, wherein the process steps include at least filling and closing the containers under cleanroom conditions, wherein the system (1) comprises a cleanroom structure (2), a filling station (3) for filling a container and a closing station (4) for closing a filled container, wherein the cleanroom setup (2) comprises an enclosure (20), wherein an interior (200) of the enclosure (20) is separated from an environment and the cleanroom condition can be met in the interior (200) of the enclosure (20) of the cleanroom setup, wherein the interior (200) of the housing (20) is closed in an operating state, wherein the housing (20) has a passage with a lock for introducing containers (5) to be filled into the closed interior (200) of the housing (20), and / or wherein a discharge interface (28) is provided on the housing (20) for the discharge of filled and sealed containers (5) from the closed interior (200) of the housing (20).

Device for the sealed transfer of objects from a flexible container (80) containing objects (21) to a cell, this device comprising: – a cell flange (2) – a container flange (3) delimiting a transfer path (30) connecting a supply end (31) of the container flange (3) and a discharge end (32) of the container flange (3); the container (80) comprising a wall (82) extending at least partially into the transfer path (30). Figure 3