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320 results about "Clean environment" patented technology

Intelligent CAR-T cell culture system

The invention relates to the technical field of biological medicine preparation equipment, and discloses an intelligent CAR-T cell culture system, which comprises an intelligent temperature control and cleaning box body, a double sterilization system and a full-automatic preparation process, and the intelligent temperature control and cleaning box body adopts temperature and humidity control and cleanliness control. The double sterilization system comprises hydrogen peroxide fumigation and ultraviolet circulation disinfection, and the full-automatic preparation process comprises a precise pipeline, a modular reaction unit and an automatic control platform. According to the intelligent CAR-T cell culture system, full-process automatic culture of full-automatic CAR-T cells is realized in a C-level environment, a high-requirement clean environment is not needed, the cost can be greatly reduced, the economic benefit is remarkable, a full-closed pipeline system better meets the requirements of laws and regulations, and the system has greater advantages in the supervision level; the full-automatic operation reduces the intervention of personnel, avoids the potential pollution risk in the process, the full-process automatic cultivation can greatly save the cost, and the cost is saved by 40% compared with the traditional process through comprehensive calculation.
Owner:佰俪达医药科技(海南)有限公司

Subpackaging protection box for medical isotopes and medicines thereof

The utility model provides a sub-packaging protection box for medical isotopes and drugs thereof, which comprises a material front chamber, a sub-packaging main chamber and a packaging rear chamber, the packaging rear chamber is divided into an upper layer space and a lower layer space, the lower layer space comprises a lead tank automatic packaging cabin and a radioactive solid waste temporary storage cabin, a buffer chamber I is arranged between the material front chamber and the sub-packaging main chamber, and a buffer chamber II is arranged between the material front chamber and the sub-packaging main chamber. And a buffer chamber II is arranged between the sub-packaging main chamber and the upper-layer space of the packaging rear chamber. According to the split charging protection box provided by the utility model, each functional zone can keep a reasonable differential pressure gradient, and the split charging protection box has the functions of clean ventilation, sterilization and disinfection, on-line monitoring and the like, and meets the requirements of relevant laws and regulations such as GMP (Good Manufacturing Practice) in China on clean environment, on-line monitoring, data auditing and tracking and the like in the production process. And meanwhile, the automatic lead tank packaging and solid waste collecting and storing functions are achieved, operation convenience and safety are improved, and radiation damage to operators is reduced to the minimum.
Owner:YANTAI DONGCHENG HEJU PHARMACEUTICAL TECHNOLOGY CO LTD

Traditional Chinese medicine workshop cross contamination prevention system and method based on multi-source data fusion and AI dynamic regulation and control

The invention relates to the technical field of plant environment control, and particularly discloses a traditional Chinese medicine plant cross contamination prevention system and method based on multi-source data fusion and AI dynamic regulation, and the system is composed of a sensing layer, a data processing layer, a decision-making layer and an execution layer. BIM space information and MES working condition data are fused, and a digital twinborn and pollution risk thermodynamic diagram of the factory building is constructed; lSTM prediction and reinforcement learning are utilized to generate a cooperative control strategy of the air supply and exhaust rate, the air valve opening degree and the adjustable air opening angle of each area, airflow is guided to be discharged in the direction from a pollution source to an air outlet, early warning and active suppression of dust and solvent gas cross contamination are achieved, the cleanliness reaches the standard, energy is saved, consumption is reduced, and the method is suitable for large-scale popularization and application. The method is suitable for traditional Chinese medicine preparation workshops and similar clean environments.
Owner:BOZHOU VOCATIONAL & TECHNICAL COLLEGE

Clean engineering full-life-cycle intelligent management digital twin platform

The invention relates to the technical field of clean room full-process intelligent management, and discloses a clean project full-life-cycle intelligent management digital twin platform, which comprises a full-cycle data center module, a virtual-real bidirectional interaction engine module, a full-cycle management module and a multi-terminal collaborative interaction module which are connected with one another, the whole life cycle of design, construction, operation and maintenance and decommissioning is covered, whole-course tracing of design-construction-operation-decommissioning is achieved, closed-loop interaction of virtual model rehearsal and entity execution feedback is constructed, and an intelligent decision function is constructed to cover the whole process. Comprising performance rehearsal in a design stage, progress management and control in a construction stage, deep optimization in an operation and maintenance stage and resource evaluation in a decommissioning stage. Through deep fusion of the dynamic BIM model and multi-stage multi-source data, virtual-real two-way interaction and full-period intelligent management, the method is suitable for full-process collaborative management of clean environments such as semiconductors, biological medicines and foods, and full-stage precise management and control from early planning to final decommissioning are realized.
Owner:KESHENGPENG ENVIRONMENTAL TECH CO LTD

Cleaning equipment

The embodiment of the invention provides cleaning equipment, and relates to the technical field of cleaning equipment.The cleaning equipment comprises a control component, a cleaning component and a fan unit which are sequentially arranged from one side to the opposite side, the control component is electrically connected with the cleaning component and the fan unit, and when the control component detects materials in the cleaning component, the fan unit is electrically connected with the cleaning component. A set cleaning environment corresponding to the material information is obtained, the fan unit is controlled to construct the set cleaning environment in a cleaning cavity, containing materials, of the cleaning component, and the set cleaning environment comprises a preset humidity range, a concentration preset value of particulate matter and a dew point preset value; the fan unit is used for filling a cleaning cavity of the cleaning component with first gas for protecting materials and second gas for adjusting humidity to construct a set cleaning environment, and in the cleaning process, the set cleaning environment is maintained based on the control component; and the cleaning part is used for cleaning the materials until the materials meet the cleaning standard of the materials. Therefore, on the premise of protecting the cleaning materials, the cleaning degree is improved.
Owner:KRAUS PRECISION CLEANING EQUIPMENT (SUZHOU) CO LTD

Dynamic air volume adjusting method of fume hood for clean environment based on multi-source data fusion

PendingCN121953458AGuaranteed suction effectreduce imbalanceMechanical apparatusLighting and heating apparatusData setAir volume
The invention discloses a multi-source data fusion-based air volume dynamic adjustment method of a fume hood for a clean environment, particularly relates to the technical field of clean environment control, and aims at solving the problem that air volume adjustment of an existing fume hood cannot give consideration to front air suction safety, pressure difference stability and overall energy conservation. A basic operation data set is formed by collecting and filtering window opening and cabinet air speed, an air volume demand value and an initial priority parameter are calculated according to the data set and a room use state mark to form a demand data set, and a deviation memory parameter and a fluctuation influence parameter are calculated by fusing room pressure difference data and the availability of an exhaust fan. Obtaining a stable control priority adjustment coefficient through a time decay score learning model, correcting the priority, distributing the target exhaust air rate and the exhaust fan output, forming a target distribution result, comparing the target distribution result with the actual air valve opening degree and the exhaust fan output state, calculating the adjustment amount, and issuing a control instruction according to the priority; and the deviation record feedback updating coefficient and the demand value are verified in the control period to realize self-adaptive adjustment.
Owner:YOUSHANG HEYUE ENVIRONMENTAL TECH CO LTD

Self-adaptive control method and system for cleaning unmanned aerial vehicle based on neural network

The invention provides a cleaning unmanned aerial vehicle self-adaptive control method and system based on a neural network, and relates to the technical field of cleaning. Multi-source sensing information of a cleaning unmanned aerial vehicle is acquired through a sensor assembly; activating a visual saliency perception center to process and perceive a to-be-cleaned target image in the multi-source sensing information to obtain a to-be-cleaned point location; generating a self-adaptive cleaning path in cooperation with unmanned aerial vehicle attitude data and cleaning environment data in the multi-source sensing information; and taking the to-be-cleaned coefficient of the to-be-cleaned point as a constraint, adjusting the initial cleaning strategy to obtain a target cleaning strategy, and performing cleaning adaptive control on the cleaning unmanned aerial vehicle in combination with the adaptive cleaning path. The technical problems of identification deviation, path rigidity and cleaning strategy imbalance of the cleaning unmanned aerial vehicle in a complex task environment due to lack of an effective information fusion and adaptive decision mechanism in the prior art are solved, and the technical effect of realizing precise and intelligent cleaning operation is achieved.
Owner:INNER MONGOLIA UNIV OF TECH

Novel PI glue drying oven

The utility model discloses a novel PI glue drying oven, which relates to the field of PI glue drying ovens and comprises a drying oven body, a heating source is mounted at the top of an inner cavity of the drying oven body, a placing frame is mounted at the top of the heating source, a heat conducting plate is arranged on the side edge of the placing frame, and an inert gas pipe is mounted on the side edge of the drying oven body. A box door is mounted at the top of the front of the oven body through hinges, a box lock is mounted on the right side of the oven body, universal wheels are symmetrically and fixedly connected to the periphery of the bottom of the oven body, and a switch is arranged at the bottom of the control panel. The novel PI glue drying oven is applied to the former procedure of semiconductor manufacturing, is used for baking and curing PI glue, has a high-temperature environment, a clean environment and a low-oxygen environment, and meets the requirement for high-temperature cleanliness by improving the production technology of materials in the cavity and a heating mode. And through the arrangement of the cavity and the inert gas pipe, inert gas can be introduced, so that the low-oxygen requirement can be met.
Owner:SHANGHAI HENGQIAN ELECTRONIC TECH CO LTD

Automatic blending method for formula type products

The invention discloses an automatic blending method for a formula type product, relates to the technical field of product blending, and aims to solve the problems of long mixing time, low proportioning precision, serious sampling pollution and large waste liquid generation amount in a traditional blending method. The method is implemented based on a closed-loop circulation mixing system and comprises the following steps: 1) presetting formula parameters; (2) dynamically conveying main materials and circularly starting; (3) auxiliary materials are accurately added; 4) dual dynamic mixing reinforcement; 5) online concentration real-time monitoring; and 6) sampling and rechecking in a clean environment. According to the invention, continuous operation of feeding and mixing is realized, accurate batching is realized through mass flow feedback control, sampling times are reduced in combination with online detection, sampling environment is controlled, mixing efficiency and product quality stability are significantly improved, pollution and waste liquid generation are reduced, and the device is especially suitable for mixing products with high purity requirements, such as electronic chemicals.
Owner:DANUOER (HUBEI) MICROELECTRONIC MATERIALS CO LTD

Surface blowing cleaning device for high-cleanliness OLED flexible screen supporting film and using method of surface blowing cleaning device

The invention relates to the technical field of high-cleanliness OLED flexible screen supporting film processing, in particular to a high-cleanliness OLED flexible screen supporting film surface blowing cleaning device and a using method thereof.The high-cleanliness OLED flexible screen supporting film surface blowing cleaning device comprises a conveying belt and height lifting units, the synchronous height lifting units are installed on the two sides of the conveying belt, and a cleaning assembly is installed between the upper ends of the height lifting units; a vacuum positioning assembly is installed on one side of the cleaning assembly. An adjusting assembly is installed on the side face of the cleaning assembly. The cleaning assembly comprises a connecting frame, vertical plates are fixedly connected to the lower end of the connecting frame, and a cleaning air knife and an air exhaust unit are rotationally connected between the vertical plates. Through ingenious combination of a mechanical structure, airflow dynamics and a vacuum technology, a closed, controllable and adjustable efficient clean environment is constructed, dust is not simply blown away, and the cleaning efficiency is improved; in particular, the problems of secondary electrification and rebounding of electrified insulating particles, which are difficult to treat by a traditional method, are solved.
Owner:江苏南锦电子材料有限公司

Different-surface low-temperature bonding method for quartz glass component

The invention relates to the technical field of quartz glass processing, in particular to a quartz glass component different-surface low-temperature bonding method which comprises the following steps: S1, putting a quartz glass component into plasma processing equipment for surface activation; s2, the activated quartz glass part is washed with pure water, and attachment is completed in the pure water; s3, flatly placing the fitted quartz glass part sample, and standing for a period of time in an atmospheric environment; and S4, putting the quartz glass part sample after standing into a heating furnace, heating to 150-180 DEG C at a heating rate of 5-10 DEG C / min, and keeping the temperature for a period of time to finish bonding. According to the method, the heat treatment temperature can be effectively reduced, particle pollution on the surface of the quartz glass part can be continuously removed through pure water flushing, attachment of the clean activated surface is achieved, and therefore the requirement for the clean environment is reduced.
Owner:ZHEJIANG FULEDE QUARTZ TECH CO LTD

Wafer cassette docking system

This specification provides a wafer cassette docking system that, through the systematic integration of local environmental control, multimodal sensing, and active compliant adjustment functions, achieves an overall performance improvement in the wafer cassette docking process. It can form a stable positive pressure laminar flow air curtain at the initial stage of docking, effectively isolating external particles and providing a continuous ultra-clean environment for the wafer. Employing a multi-sensor fusion scheme consisting of global vision, laser ranging, and feature recognition, it can quickly and comprehensively acquire the six-degree-of-freedom pose information of the wafer cassette, providing a high-precision data foundation for subsequent fine alignment. A micro-motion adjustment platform based on piezoelectric ceramic actuators, combined with real-time closed-loop feedback control, enables nanometer-level active compliant alignment, significantly improving alignment accuracy and reliability. An electromagnetic locking mechanism ensures the stable maintenance of the final pose. The collaborative work of each module improves docking accuracy and efficiency, and also enhances the system's adaptability and stability under different operating conditions.
Owner:BEIJING HEQI PRECISION TECH LTD

Culture container conveying device and method for cell culture

The invention discloses a culture container conveying device and method for cell culture, and belongs to the technical field of cell culture.The culture container conveying device is technically characterized by comprising an incubator and a second supporting seat, culture containers can be limited one by one through an arranged limiting conveying mechanism, meanwhile, automation of the culture container conveying and material taking process is achieved, and the production efficiency is improved. In addition, when the culture container is not grabbed by the material, the culture box is always in a closed state, a clean environment is provided for cell culture, the risk of experiment failure caused by pollution is reduced, automatic opening, closing and positioning of a plurality of limiting rings are realized through an automatic opening, closing and positioning operation mode of the positioning observation mechanism, and the operation efficiency is improved. The device is simple in structure and convenient to operate, does not need manual operation, greatly shortens the positioning time of the culture container, avoids frequent contact of operators with the culture container, reduces the risk that external pollutants are attached to the surface of the culture container, and has the advantages of convenience in closed transmission, automatic material taking and automatic positioning, observation and use.
Owner:SHENZHEN GUANGTAI BIOTECHNOLOGY CO LTD

Workpiece cleaning device for friction stir welding

The utility model discloses a workpiece cleaning device for friction stir welding, particularly relates to the technical field of friction welding, and comprises a base, and two positioning seats are symmetrically mounted on the top surface of the base. Welding is conducted through the sliding stirring needle, the protective frame is driven to move together, the protective frame covers and protects a welding area and is in a sealed state, it is guaranteed that the clean environment is not interfered by the outside world, then the cleaning roller conducts rotating friction on a welding seam, metal filings generated in the welding process and impurities such as oxide on the surface are removed, and the welding quality is improved. After rotary cleaning, the brush sweeps and scrapes cleaned metal chips to the edge of the base, cleaning is facilitated, the sleeve and the mounting base are driven by the transmission plate to rotate synchronously, the cleaning roller and the brush rotate to the other side of the stirring needle at the moment, the cleaning roller and the brush clean the weld joint on the other side of the workpiece at the moment, and the cleaning efficiency is improved. And cleaning is more thorough through two times of cleaning in different directions.
Owner:SHIJIABO (KUNSHAN) MASCH MFG CO LTD

Textile compression packaging equipment and use method thereof

The invention discloses textile compression packaging equipment and a using method thereof.The textile compression packaging equipment comprises a packaging box body, an air cylinder is fixedly connected to the upper portion of the packaging box body, a lower pressing plate is fixedly connected to the output end of the air cylinder, a toothed plate is arranged above the lower pressing plate, the toothed plate is in meshed connection with a gear rod, and the gear rod is in transmission connection with a threaded rod; when the equipment works, firstly, the control box drives the tooth column to rotate, the sliding plate is driven to slide along the supporting frame, an opening of the packaging box body is quickly closed, and dust carried by outside air is prevented from entering the packaging box body; and then, a dust suction pump forms a directional dust suction channel through exclusive holes in the side face of the packaging box body and the connecting box, scraps in the box and on the surfaces of the textiles are actively sucked, impurities are filtered in cooperation with a filter plate, dust is effectively prevented from being accumulated for a long time, the problem that the impurities enter the machine along with airflow is fundamentally solved, and a clean environment is provided for follow-up packaging.
Owner:YICHENG CHENGXIONG WEAVING CO LTD

Method for manufacturing optical fiber

To provide a method for manufacturing an optical fiber, in which generation of spikes is prevented.SOLUTION: A method includes a drawing step to manufacture an optical fiber by drawing while feeding a glass preform into a heating furnace. The glass preform has a core rod and a clad tube into which the core rod is inserted, a support tube is joined to an upper end of the clad tube so as to communicate with a gap between the core rod and the clad tube. During the drawing step, the gap and an internal space of the support tube are brought into a state where pressure is lower than atmospheric pressure. An atmosphere within 1 m around the glass preform is set to a clean environment in which the number of particles having a size of 0.3 μm or more and less than 0.5 μm is 15000 per CF or less, and the number of particles having a size of 0.5 μm or more but less than 1.0 μm is 3500 per CF or less.SELECTED DRAWING: Figure 1
Owner:SUMITOMO ELECTRIC INDUSTRIES LTD

A wood grooving mechanism

This utility model relates to the field of wood processing technology and discloses a wood grooving mechanism, including: a cutting blade mounted on a workbench via a mounting bracket; a protective cover located around the outer ring of the cutting blade; a compression device mounted on a base plate; and multiple nozzles, all connected to the compression device via connecting pipes, with the nozzles located inside the protective cover. In this utility model, by incorporating a protective cover, compression device, nozzles, a dust collection device, a dust collection hood, a telescopic component, and a push plate, the protective cover prevents wood chips from splashing, maintaining a clean environment and ensuring operator safety. The compression device and nozzles generate high-speed airflow to blow away wood chips from the cutting blade, keeping the blade sharp, reducing energy consumption, and extending its lifespan. The dust collection device and dust collection hood efficiently collect wood chips, optimizing the environment and reducing the impact of wood chips on the environment and human health. The telescopic component and push plate assist in cleaning debris from the workbench, ensuring effective collection and improving the mechanism's versatility and practicality.
Owner:WUHAN XINTIANDI PLASTIC WOOD PACKING CO LTD

Substrate container system and method of cleaning substrate container

Support devices for use with substrate containers for holding or transporting substrates in a clean environment, and associated systems and methods of using the support devices and substrate containers, are described. A substrate container support system includes a base having a horizontal base surface; the nozzle vertically extends from the surface of the base, and the nozzle can vertically move relative to the surface of the base; a pressure sensor adapted to sense a fluid pressure of a fluid passing through the nozzle; and a control system including a hardware processor and a memory, the control system configured to adjust a vertical position of the nozzle based on the fluid pressure.
Owner:ENTEGRIS INC

Chemical filter for removing IPA pollution in clean environment

The invention relates to the technical field of chemical filters, in particular to a chemical filter for removing IPA pollution in a clean environment, which comprises a flange box, a quick release structure, a sealing structure, a fan filter unit, a filter structure and a dustproof structure. The quick-release structure is used in cooperation with the sealing structure, overall disassembly and assembly of the chemical filter can be conveniently and quickly achieved, repeated screwing of bolts is avoided, firmness is high after installation, the sealing effect is good, the locking structure is installed on the filtering structure, quick assembly and disassembly of the filtering material can be conveniently and quickly achieved, and the practicability is high. The problem that filtering materials are inconvenient to fix due to narrow internal space of the flange box is solved, meanwhile, independent disassembly of the multiple filtering materials is achieved, flexibility is high, a dustproof net at a flange connector is convenient to disassemble due to the arrangement of a dustproof structure, the problem that the flange connector and a pipeline are integrally disassembled is solved, the dustproof net is convenient to disassemble and clean, and the working efficiency is improved. And the disassembly and assembly efficiency is improved.
Owner:SHENZHEN ESKY CLEAROOMS TECH CO LTD

Method for reducing content of metal copper in silicon wafer body at low cost

PendingCN121646289ACu2 ionsCopper ion transport
The invention relates to the technical field of semiconductors, in particular to a method for reducing the content of metal copper in a silicon wafer body at low cost. The method comprises the following steps of: firstly, promoting copper ions in a silicon wafer body to migrate to the surface through one of two pretreatment modes of natural storage or low-temperature heating; wherein the natural storage refers to sealing placement in a clean environment of 25-50 DEG C for more than 1 year, and the low-temperature heating refers to heating in an inert atmosphere of 300-400 DEG C for not less than 2 hours; afterwards, the pretreated silicon wafer is conveyed to a cleaning operation room by using AGV equipment, and the silicon wafer is cleaned by using a full-automatic cleaning machine through SC-1, pure water, SC-2, an ozone solution and HF liquid medicine in sequence and dried, so that copper impurities on the surface of the silicon wafer are thoroughly removed; according to the method, the migration characteristic of copper ions in silicon is utilized, a conventional cleaning process is combined, efficient, low-cost and large-scale reduction of the copper content in the silicon wafer body is achieved, the geometrical characteristics and the surface quality of the silicon wafer are not damaged, and the method has wide industrial applicability.
Owner:SHANGHAI SEMICON WAFER TECH CO LTD

Cleaning equipment for sulfonate composite calcium-based lubricating grease

The utility model relates to cleaning equipment for sulfonate composite calcium-based lubricating grease in the technical field of lubricating grease cleaning, which comprises an oil storage barrel, a connecting valve for connecting a water pump and a spray gun assembly, and the spray gun assembly comprises a mounting head, a connecting rod, a reversing head and a vertical spray head; according to the utility model, multi-angle and multi-direction spraying is realized, the cleaning work of auxiliary lubricating grease is ensured, the lubricating grease on the inner wall of the oil storage barrel is washed through impact formed by high-pressure water flow, and the water flow is effectively distributed by adopting a multi-stage stepped progressive flow channel structure, so that each spraying head can obtain enough water pressure; due to the fact that the structure is connected with the inner wall of the top cover to form a sealing structure, leakage or liquid splashing is prevented, most cleaning procedures can be completed in the barrel, cleanliness of the cleaning environment is reduced to the maximum extent, cleaning and caring work is reduced, the phenomenon that the ground slips due to grease is reduced, personal safety of operators is guaranteed, and the service life of the operators is prolonged. And the working efficiency is improved, and meanwhile, the manpower expenditure is reduced.
Owner:DONGGUAN XINYOU LUBRICATION TECH CO LTD

Application method of phycomycete synergy in livestock and poultry breeding wastewater treatment

The invention provides an application method of phycomycete synergy in livestock and poultry breeding wastewater treatment, which comprises the following steps: S1, strengthening pretreatment: sequentially carrying out solid-liquid separation, demulsification and oil removal and water quality balance adjustment on livestock and poultry breeding wastewater; grease and refractory pollutants are removed through enhanced pretreatment, and a clean environment is created for metabolism of phycomycetes; the modified carrier and the composite flora improve the stability and the synergistic effect of the system; the photovoltaic system is matched with intelligent regulation and control and accurately adapts to the growth requirements of phycomycetes, so that efficient utilization of clean energy is realized, the influence caused by fluctuation of factors such as illumination and temperature is avoided, the wastewater treatment process is always kept in an efficient metabolic state, external energy consumption input is greatly reduced, and breakthrough optimization of a technical route is achieved.
Owner:SOUTH CHINA UNIV OF TECH

Anti-scattering guide chute with coal recovery function

The utility model discloses an anti-scattering guide chute with a coal recovery function, which relates to the technical field of coal processing and comprises a mounting rack, a shielding frame is fixed at the bottom of the mounting rack, an anti-falling collecting mechanism is arranged on one side of the shielding frame, and a mounting mechanism is arranged on the outer side of the anti-falling collecting mechanism. The anti-falling collecting mechanism comprises a material guide frame fixed to the edge of the bottom of the shielding frame, and a falling-back pipe is fixed to the bottom of the material guide frame. According to the anti-scattering material guide groove with the coal recycling function, the abutting block is attached to the surface of the conveying belt, when the sampling head rotates for sampling, the abutting block is used for shielding, the scattering amount of coal is reduced, and when the conveying belt deforms, a small part of coal is squeezed and discharged into the material guide frame from the bottom of the abutting block and falls into a recycling box through a falling-back pipe; and therefore, the coal is fully prevented from being scattered to the ground, the clean environment is guaranteed, the coal falling from the conveying belt can be conveniently recycled, and the practicability of the device is improved.
Owner:SDIC ZHONGMEI TONGMEI JINGTANG PORT CO LTD

Multifunctional cabinet for motor train unit and method

The invention relates to the technical field of rail transit vehicles, and particularly discloses a multifunctional cabinet for a motor train unit, which comprises a base mounted in a carriage of the motor train unit, and a cabinet structure mounted on the base; the cleaning assembly is arranged on the base, and the cleaning assembly is used for cleaning wheels of the dining car; the cleaning assembly comprises a cleaning part, the cleaning part is arranged on the base, and when the dining car passes through the cleaning part, the cleaning part cleans dirt on wheels of the dining car. The cleaning assembly is arranged in the access channel, various pollutants attached to the surfaces of the wheels are firmly adsorbed by means of the viscous coating through contact between the cleaning piece and the wheels of the dining car, the path for the pollutants to enter the cabinet is blocked, and a clean environment guarantee is provided for meal storage and meal preparation arrangement.
Owner:BAOYING COUNTY SHENYANG AIRCRAFT ELECTRIC CO LTD

Device for opening hole in pipeline under pressure in clean environment

A device for pipeline tapping under pressure in a clean environment belongs to the field of tapping devices and comprises a stabilizing unit, a tapping unit and two recycling units, the tapping unit is fixed in the stabilizing unit, and the two recycling units are used in cooperation with the stabilizing unit and the tapping unit. The problems that in the background technology, a barrel cutter is adopted for conventional pressure tapping, the barrel cutter is limited by the size and the cutting mode of the barrel cutter at present, the minimum scrap iron is 2 mm, a precision machine table is blocked, equipment downtime is caused, and normal production is affected can be solved. In the prior art, the particle size of pomegranate sand for cutting is about 20 [mu] m, most of the pomegranate sand enters a pipeline, the pomegranate sand is attached to the inner wall of a stainless steel pipeline to cause rusting, a bag type filter in a process cooling system is replaced, and the cost is low. And the loss of filtering consumables is large.
Owner:BEIJING GELINTEKE GREEN ENERGY TECH CO LTD

Novel nano-carbon material with conditioning and treating functions and preparation method of novel nano-carbon material

The invention discloses a novel nanocarbon material with conditioning and treating functions and a preparation method thereof, and belongs to the technical field of health food. According to the novel nano-carbon material, a biological nano-carbon material is organically combined with active magnesium and active silicon, so that a finished product is endowed with unique conditioning and treatment functions. The traditional Chinese medicine composition integrates multiple mechanisms such as sterilization and disinfection, immune enhancement, free radical removal and cell activation, not only has a direct treatment effect on oral inflammation, gastroenteritis, skin inflammation, cyst and the like, but also can fundamentally improve the sub-health state by regulating the acid-base balance of an organism, promoting metabolism and delaying senescence. The whole process is carried out in a 10000-grade clean environment at normal temperature and normal pressure, so that the operation process is simplified, the energy consumption and equipment requirements are reduced, the damage of extreme conditions such as high temperature and high pressure to the activity of the material can be effectively avoided, and the effect of each component is fully exerted.
Owner:BEIJING KAIYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

A quick-detachable connector wire harness fixing bracket and method

This invention relates to the field of wire harness fixing equipment technology, and discloses a quick-detachable connector wire harness fixing bracket and method. The equipment includes a mounting plate, a plug part, and mounting grooves opened on both sides inside the mounting plate. A fixing frame is detachably mounted on the top of the mounting plate. A fixing component is arranged inside the fixing frame. An auxiliary component is arranged on the top of the mounting plate. By setting the fixing component, in a normal temperature (about 20℃-25℃) and dry and clean environment, when the plug part is inserted into the fixing frame, it will first squeeze the contact plate and drive the pressure plates on both sides to move until the pressure plates press the left and right sides of the plug part tightly. Then, the front of the plug part is limited by the blocking plate, thereby maintaining the pressing and limiting of the plug part from the top, bottom, left, right and front sides, achieving the effect of multi-face pressing, reducing the loosening of the plug part, and facilitating subsequent quick disassembly. Each fixing frame can be disassembled individually, improving the flexibility of the wire harness connector positioning.
Owner:CABLEX WIRE & CABLE MFG (KUNSHAN) CO LTD

A clean door structure of a laboratory air conditioning system

The application discloses a laboratory air conditioning system clean door structure and relates to the field of clean doors, which comprises a door frame assembly, a rectangular groove is formed in the bottom of the door frame assembly, a sealing assembly is arranged in the rectangular groove, the sealing assembly comprises a bottom plate, limit columns are symmetrically fixed to the top of the bottom plate, lifting blocks are movably penetrated through the two limit columns, a top plate is fixed to the top end of the two limit columns, compression springs A are arranged on the outer circumferential surfaces of the two limit columns and abut against the top plate and the lifting blocks at two ends, a rubber pad is fixed to the top end of the top plate and abuts against the bottom of a door plate assembly, the rubber pad is tightly abutted against the bottom of the door plate assembly when the door is closed through the elastic force of the compression spring A, dust, microorganisms and other pollutants are effectively prevented from entering the laboratory, the indoor clean environment is ensured, meanwhile, the height of the sealing assembly can be adjusted through the rotating threaded column, different door plate assemblies or sealing requirements can be adapted, related components can be removed for repair and replacement, and maintenance is convenient.
Owner:SHANGHAI AOXUAN PURIFICATION TECH CO LTD