229 results about "Clean environment" patented technology

Systems and methods for navigating an autonomous vacuum are disclosed. According to one method, the autonomous vacuum traverses a cleaning environment having a plurality of surfaces. As the autonomous vacuum is traversing the cleaning environment, sensors on the autonomous vacuum capture sensor data describing a first section of a surface on which the autonomous vacuum is currently traversing. Based on the received sensor data, the autonomous vacuum can determine that the first section is of a first surface type of a plurality of surface types. The autonomous vacuum can generate a user interface with a background displaying the determined first surface type to notify the user of where the autonomous vacuum is cleaning.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The utility model discloses a condenser rubber ball cleaning device which comprises a base, the top of the base is fixedly connected with a tank body, the top of the tank body is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving rod, and the two sides of the driving rod are rotationally connected with two second rotating rods. The bottom of the second rotating rod is fixedly connected with a gear, the outer portion of the gear is connected with a gear ring in an engaged mode, and the outer portion of the gear ring is fixedly connected with the interior of the base. By means of the structure, the cleaned rubber balls enter the box body on the right side along the material passing pipe through an external material pumping machine, at the moment, water in the water storage tank flows along the annular water pipe in the tank body in the water inlet pipe through the water pump to clean impurities left in the tank body, and therefore the inner wall of the tank body is cleaned regularly; the dirt can be effectively removed, the inner wall of the tank body is kept clean, and the rubber balls are ensured to be stored and circulated in a clean environment, so that the cleaning effect of the rubber balls on the condenser is improved.

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.

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.

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.

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.

The utility model relates to the technical field of protective devices, and provides a coal mine electromechanical protective device which comprises a base, a cover plate, a side plate assembly, a filter screen assembly, a buffer assembly and a mounting plate. The side plate assembly comprises a first side plate and a second side plate which are detachably arranged on the base; a threading hole is formed in the first side plate, and a cooling fan is arranged on the second side plate; the filter screen assembly comprises a first filter screen and a second filter screen which are detachably arranged on the base, and a closed cavity is defined by the base, the first side plate, the second side plate, the first filter screen, the second filter screen and the cover plate; the buffer assembly and the mounting plate are arranged in the closed cavity, the buffer assembly is arranged between the base and the mounting plate, and the mounting plate is used for mounting electromechanical equipment. The coal mine electromechanical protection device is convenient to assemble on site, can ensure that electromechanical equipment works in a relatively clean environment, and performs heat dissipation and shock absorption on the electromechanical equipment, thereby providing reliable protection for the electromechanical equipment, and improving the safety and reliability of the operation of the electromechanical equipment.

The utility model discloses a motor shaft sealing structure, the utility model relates to the technical field of shaft sealing, and this motor shaft sealing structure, including the end cap mechanism of motor shell outside side, the annular groove is set up on the top end surface of end cap mechanism, the annular groove of end cap mechanism top end sets up is the clamping groove subassembly, the utility model discloses the cooperation of clamping groove subassembly and sealing cover and the double -sealed design of static seal ring and dynamic seal ring, greatly reduced the possibility that the outside dust, moisture and other impurities enter the inside of motor, and the taper -table type structure of sealing cover and clamping groove subassembly closely fit, reduced the risk of impurity invasion from structure, and static seal ring and dynamic seal ring respectively in different position carry out the sealing of rotating shaft, formed more effective protective barrier, and the clean environment of inside motor is guaranteed, and then the operating stability and service life of motor are promoted.

The invention provides a risk reduction device for a control loop of a coal feeder, and relates to the field of control cabinets. A locking structure is fixedly arranged on the outer side of the cabinet body, a limiting assembly is fixedly arranged in the cabinet body, and a mounting structure is further fixedly arranged in the cabinet body; an air inlet mechanism is fixedly arranged in one side of the cabinet body, an exhaust mechanism is fixedly arranged on the other side of the cabinet body, and the exhaust mechanism comprises an exhaust frame, a fixing frame, a cooling fan, a fixing cylinder and a sealing plate; the sealing plate is movably arranged on the outer side of the exhaust frame; through the air inlet mechanism and the exhaust mechanism, when the cooling fan stops working, a sealing plate can automatically seal the cooling fan; external dust is prevented from entering the control cabinet from the cooling fan; the clean environment in the control cabinet is guaranteed, the failure rate of a control loop is further reduced, and the problem that external dust may enter the control cabinet from the heat dissipation fan when the heat dissipation fan stops working is solved.

The utility model relates to the field of smoke hoods, in particular to an energy-saving, fireproof, easy-to-clean, environment-friendly, purifying and deodorizing intelligent integrated impinging stream smoke hood which is characterized in that a fixed seat is fixedly arranged in an oil box body, the fixed seat is positioned in the middle of the oil box body, and a positioning groove penetrating through the oil box body is formed in the fixed seat; a clamping groove is formed in the inner wall of the positioning groove, the positioning block is inserted into the positioning groove, oil liquid can enter the oil box body from the oil inlet hole along the inner wall of the smoke hood body, when the oil box body needs to be cleaned, a pulling force is provided for the oil box body, and after the pulling force is larger than the elastic force of the spring, the clamping block can compress the spring, so that the oil liquid can be cleaned. The oil box is simple in structure and convenient to operate, the oil box body is convenient to replace after being saturated, installation is convenient, and cleaning and maintenance are convenient when the oil box is used.

The invention discloses a stacking machine special for a clean environment, which comprises an analysis module, a control module, a bottom driving module, a picking driving unit and a picking structure, and is characterized in that the picking driving unit is used for driving a lifting mechanism and a rotating part to work according to the height of the lifting mechanism and the angle of the rotating part to form a picking position; therefore, the position of the semiconductor wafer carrying box is adapted. The problems of carrying efficiency reduction and equipment safety caused by insufficient position identification precision are solved. Therefore, according to the technical scheme, the technical effect of improving the picking precision and the system adaptability is achieved, through multi-sensor fusion and a real-time coordinate correction mechanism, the position deviation of the carrying box is dynamically recognized and compensated, the accuracy and stability of the picking action are ensured, the collision risk is effectively reduced, and the picking efficiency is improved. And the automation level and the operation efficiency of material carrying in the semiconductor intelligent factory are improved.

The utility model discloses a drawing box for building design, which comprises an outer box body, a support component arranged on the inner surface of the outer box body, an inner box fixedly connected to the upper end of the support component, a cover plate movably connected to the upper surface of the outer box body, an insertion block fixedly connected to the upper surface of the outer box body, and an insertion slot arranged on the cover plate, the inner surface of the outer box body is rotatably connected with a double-thread screw in a penetrating mode, one end of the double-thread screw is in threaded connection with an inner clamping plate, the inner clamping plate is located in the outer box body, the other end of the double-thread screw is in threaded connection with an outer clamping plate, and the outer clamping plate is located outside the outer box body. According to the drawing box, dust, moisture, water vapor and other external pollutants can be effectively prevented from entering the drawing box, compared with a single sealing structure, the sealing effect is remarkably improved, and it can be ensured that drawing tools and drawings are always in a dry and clean environment.

This invention relates to the field of substrate glass manufacturing and testing technology, and provides a method for testing the performance of spacer paper for substrate glass. The method includes: in a constant temperature and humidity clean environment, processing the testing equipment to constant weight; mixing and sampling multiple units of the spacer paper sample, and then transferring the samples to a constant-weight testing equipment for weighing; drying the samples at 105±2℃ to constant weight, and calculating the moisture content based on the mass difference before and after drying; and igniting the samples at 900±25℃ until completely ashed, and calculating the ash content based on the mass difference before and after ignition. This invention, through constant temperature and humidity operation and multi-unit mixed sampling, eliminates environmental interference and sampling bias, achieving continuous and accurate testing of moisture and ash content, and significantly improving the accuracy and repeatability of the test results.

This invention relates to the field of compost fermentation production, and more particularly to a compost fermentation device for the reuse of waste plant materials, comprising a fermentation tank, a lid, and rubber tubes, etc.; the lid is detachably connected to the fermentation tank via snap-fit; several rubber tubes are installed inside the fermentation tank. This invention achieves the separation of new raw materials and old compost through an isolation ring, preventing the fermentation of new compost from being interrupted while old compost is stored in the fermentation tank, thereby improving space utilization. The products of new and old compost can be discharged separately through the bottom ring and the isolation ring via a flow pipe, ensuring that the storage environment of new and old compost does not affect each other. By expanding the internal space of the fermentation tank, the new and old compost can be turned over by rolling the fermentation tank, which is convenient to operate, and both new and old compost located on both sides of the isolation ring can be turned over without causing leakage, ensuring a clean environment.