23results about How to "Quick breakdown" patented technology

The utility model discloses a core taking machine for processing optical lenses, which comprises a core taking machine body, a shell and a transparent cover plate, the transparent cover plate is positioned on the surface of the shell, and a water injection component for injecting water into the transparent cover plate is mounted in the shell; a water injection assembly is arranged in the shell, a cleaning assembly used for being matched with the water injection assembly to clean the transparent cover plate is arranged in the shell, and one end of the cleaning assembly is communicated with one end of the water injection assembly. Long-term accumulation of stains on the transparent cover plate is avoided, the transparency of the transparent cover plate is effectively recovered, and an operator can more clearly observe the processing condition of a lens in the core taking machine, so that the transparency of the transparent plastic plate is improved, the service life of the transparent plastic plate is prolonged, the replacement frequency caused by residual stains is reduced, and the production efficiency is improved. And the production cost is reduced.

This application discloses a seaweed oligopeptide fertilizer for promoting root growth and seedling development, and its production process, belonging to the field of fertilizer technology. The fertilizer, by weight, comprises: 2-10 parts seaweed oligopeptide complex, 1-8 parts seaweed extract, 10-30 parts compound amino acids, 1-10 parts blueberry pomace, 20-50 parts oxytetracycline waste decomposition products, and 30-60 parts recycled organic matter from kitchen waste. By combining seaweed oligopeptides with chitosan to form a complex, the stability of the active ingredients is improved; simultaneously, the synergistic utilization of oxytetracycline fermentation waste, kitchen waste, and blueberry pomace achieves resource utilization. Experiments show that this fertilizer significantly promotes crop root growth and seedling development.

This invention discloses a refrigerator and its control method and refrigeration system. The refrigerator includes at least a low-oxygen preservation system and a sterilization system. The control method includes: when the refrigerator door is closed, detecting whether the refrigerator has activated an oxygen reduction mode; if so, activating the sterilization mode for a first preset time when the time interval since the last activation of the sterilization mode reaches a first threshold time; if not, activating the sterilization system for a second preset time when the time interval since the last activation of the sterilization mode reaches a second threshold time. Compared with the prior art, this invention can achieve rapid ozone accumulation in a short time through oxygen-enriched gas, reducing the operating time of the ion generator, and after the sterilization mode ends, accelerating ozone decomposition through oxygen-enriched gas to reduce the ozone presence time, thus realizing closed-loop control of oxygen-enriched gas reuse, instantaneous high-concentration ozone sterilization, and rapid ozone decomposition.

The invention provides a fiber multilayer composite air filtering material and a preparation method thereof. The fiber multilayer composite air filtering material comprises a fiber base material, a metal catalyst is loaded on the fiber base material, the surface of the fiber base material is covered with a nanofiber membrane, the fiber base material is composed of alkali-treated bamboo fibers and polymer fibers, and the nanofiber membrane contains an antibacterial agent and a silane coupling agent. The fiber multilayer composite air filtering material has the advantages of high catalyst loading capacity, excellent filtering efficiency, good mechanical strength and toughness and the like, the raw materials are wide in source, the process is simple and environment-friendly, and a new way is provided for development of multifunctional air filtering materials. The invention also provides a preparation method of the fiber multilayer composite air filtering material.

The application relates to the technical field of grass-proof cloth processing, in particular to a degradable and long-service-life grass-proof cloth and a preparation method thereof, which is prepared from the following raw materials in percentage by weight: 50-70% of polylactic acid, 1-3% of a modifier, 0.5-1% of a plasticizer, 2-5% of a monoacylglyceride, 5-10% of starch, and the rest of porous fillers, wherein the modifier is obtained by mixing fatty acid polyoxyethylene ester, sulfonated lignin salt and hydroxyethyl methacrylate. The grass-proof cloth prepared through the above-mentioned formula has excellent degradability, strong mechanical properties and weather resistance, so that the grass-proof cloth can maintain stable performance for a long time, thereby prolonging the service life.

This utility model relates to the field of duckweed containment technology in waterways, and discloses a containment rope float suitable for fish spawning. It includes a containment rope made of first bundled reed stalks, with several reed balls made of second bundled reed stalks evenly distributed on the containment rope; each reed ball is filled with palm leaves; both ends of the containment rope are secured with ropes, and the other end of each rope is secured with a ground stake inserted into the riverbank. The advantages of this utility model compared to existing technologies are: it can contain duckweed on the water surface; the containment device decomposes quickly after disposal, does not pollute the environment, and provides a breeding environment for fish.

The invention discloses an integrated micro-fluidic chip system for detection, photothermal decomposition and verification of perfluorinated and polyfluoroalkyl substances. The integrated micro-fluidic chip system comprises an upper ultraviolet light-emitting layer, a middle micro-fluidic main body layer and a lower constant-temperature heating layer, the middle microfluidic main body layer internally comprises an inlet channel, an optical detection module, a photothermal decomposition chamber, a circulating pump structure, a residue verification chamber and an outlet channel; the upper ultraviolet light-emitting layer and the lower constant-temperature heating layer are respectively arranged corresponding to the photothermal decomposition chamber so as to provide a light field and a thermal field which have a synergistic effect; the system further comprises an external control circuit for controlling the operation of the circulating pump structure, the upper ultraviolet light-emitting layer and the lower constant-temperature heating layer, and controlling the path selection of the fluid according to the output result of the residual verification chamber, so as to realize a closed-loop treatment flow. According to the three-layer micro-fluidic chip system provided by the invention, efficient and reliable treatment on perfluoro and polyfluoroalkyl substances is realized through photo-thermal synergistic degradation and closed-loop feedback control.

The present application belongs to the technical field of bottle cap production, and particularly relates to a bottle cap anti-adhesion device, which comprises a processing opening face mechanism, a bottom plate is arranged in an inclined manner, a material guide groove two is arranged on the bottom plate, a knock-out air cylinder and a rotating tool are arranged on the two sides of the material guide groove two respectively, the knock-out air cylinder is connected with a knock-out tool, and the knock-out tool is arranged opposite to the rotating tool; a clamping mechanism is arranged on the connecting line between the rotating tool and the knock-out tool; the knock-out tool can push the lower cap to the rotating tool direction so that the lower cap is tightly attached to the rotating tool, and the clamping mechanism is arranged opposite to the opening face of the lower cap; the clamping mechanism is used for extruding and opening the gap of the opening face of the lower cap so as to make the paint crack. Through rotation at different angles, the opening face of the upper cap is clamped and extruded in all directions, the opening face is opened and the paint is cracked, and the technical problem that the opening face of the outer cap and the outer sleeve are adhered together by paint during paint spraying, so that the outer cap cannot be rotated out is solved.

The present application relates to the technical field of water body bacteria inactivation, and particularly relates to a bacteria inactivation method based on micro-nano bubble ozone synergistic reaction, comprising the following steps: mixing and conveying ozone gas dissolved water and initial sewage to a front reactor to output as dissolved air sewage; conveying the dissolved air sewage to a reaction tank; obtaining the pressure of a plurality of pressure sampling positions of a conveying pipeline conveying the dissolved air sewage; determining the merging state of micro-nano bubbles in the conveying pipeline; determining an abnormal area in the merging state of the micro-nano bubbles; determining the bubble merging amount of the abnormal area based on the obtained conveying pipeline pressure of the position where the connecting port is located and the average pressure in the conveying pipeline behind the connecting port; determining the dosing amount of alkaline substances and the replenishment amount of the dissolved air water; and continuously conveying the dissolved air sewage from the front reactor to the reaction tank to complete the bacteria inactivation operation, so that the cavitation effect of ozone micro-nano bubbles is strengthened and the solubility of ozone in water is improved.

This invention discloses a low-temperature rapid-fired high-density building ceramic brick and its preparation method, belonging to the technical field of building ceramic materials. The ceramic brick uses potassium-sodium feldspar, kaolin, clay, quartz sand, calcined talc, wollastonite, waste ceramic powder, a low-temperature eutectic densifying component, sodium carboxymethyl cellulose, sodium polycarboxylate dispersant, and water as raw materials. The low-temperature eutectic densifying component has a borosilicate glassy phase coating layer, lithium aluminum silicon crystal nuclei, and a calcium-magnesium flux phase. The brick is prepared by ball milling, spray granulation, aging, pressing, drying, and rapid firing. This invention can promote liquid phase wetting, interstitial filling, and glassy phase bridging under low-temperature rapid firing, improving density, mechanical properties, and the utilization rate of waste ceramic powder.

The invention belongs to the field of high polymer materials, and particularly discloses ABS rubber powder, a PC / ABS composition containing the ABS rubber powder as well as a preparation method and application of the ABS rubber powder. The ABS rubber powder prepared by the invention is high in density, relatively small and uniform in size, can effectively resist erosion of water and oxygen, can obviously improve the mechanical and anti-yellowing stability of a PC / ABS material, has relatively large radius of calcium ions, can effectively reduce the residual stress of a PC / ABS alloy, has a certain improvement effect on the mechanical property stability in long-term service, and is suitable for industrial production. The Ca element cooperates with the hindered phenol antioxidant to effectively and quickly decompose free radicals, so that the stability of the mechanical property and the yellowing resistance of the material in a humid and hot environment is further improved, and the PC / ABS composition has relatively high stability of humid and hot aging resistance, thermo-oxidative aging resistance and yellowing resistance, and is suitable for industrial production. And long-term service at damp and hot and high temperature is facilitated.

This invention belongs to the field of materials processing and preparation technology, and provides a method for accelerating the martensitic decomposition of additive titanium alloys with high-energy short-time pulsed current. By designing pulsed current parameters, this invention establishes a quantitative relationship between current density, action time and microstructure evolution, thereby effectively suppressing grain coarsening while efficiently driving the rapid decomposition of acicular martensite. Ultimately, it breaks through the traditional constraint between strength and plasticity in additively manufactured titanium alloys, and achieves significant optimization of its comprehensive mechanical properties.

The utility model discloses a composite probiotic tablet structure which comprises a composite probiotic tablet, the composite probiotic tablet forms a round sheet shape through composite probiotic tablet blocks, and nicks are arranged on the composite probiotic tablet. A first groove is formed in the upper end of the middle of the compound probiotic tablet, and a second groove is formed in the lower end of the middle of the compound probiotic tablet. According to the composite probiotic tablet structure, the first groove and the second groove are distributed in the center of the composite probiotic tablet, the contact area between the composite probiotic tablet and the gastrointestinal tract lesion position can be increased, the medicine effect can be better exerted, the inwards-concave composite probiotic tablet can be decomposed more quickly, medicine absorption is facilitated, and the effect of improving the gastrointestinal tract lesion position is achieved. By means of the outer edge and the inner edge which are distributed in a smooth arc shape, discomfort to the throat caused by scraping the throat when the whole compound probiotic tablet is taken is reduced, and by means of distribution of the nicks, the compound probiotic tablet can be broken into small pieces in a labor-saving mode, and the compound probiotic tablet is convenient to take.

This utility model provides a civil engineering construction waste treatment device, comprising: a box body, a crushing component, two crushing rollers, and a dust collection mechanism; the crushing component and the two crushing rollers are located on the first side inside the box body; the crushing component is disposed at the top inside the box body for crushing construction waste; the two crushing rollers are arranged horizontally and rotate side by side below the crushing component for further crushing the construction waste after initial crushing by the crushing component; the dust collection mechanism is disposed on the other side inside the box body for collecting dust from the construction waste after it has been crushed by the two crushing rollers. The civil engineering construction waste treatment device provided by this utility model achieves rapid decomposition of large pieces of waste by initially crushing the construction waste entering the box body through the crushing component; and achieves secondary fine crushing of the waste through the crushing area formed below by the two crushing rollers, significantly improving crushing efficiency and uniformity.

The invention provides a composite enzymatic hydrolysis preparation as well as a preparation method and application thereof in aquaculture, and particularly belongs to the technical field of aquaculture. The compound enzymolysis preparation is prepared from cellulase, xylanase, medium-temperature amylase, low-temperature amylase, saccharifying enzyme, yeast extract powder and auxiliary materials. After corn flour is subjected to enzymolysis by using the composite enzymolysis preparation, the content of reducing sugar in the corn flour can be rapidly increased, and after the composite enzymolysis preparation is applied to a culture water body, the carbon nitrogen ratio of the water body can be increased, growth of indigenous microorganisms is promoted, and the self-cleaning capacity of the water body is improved; meanwhile, the compound enzymolysis preparation has a remarkable decomposition effect on moss in aquaculture water, and has a potential application prospect in moss prevention and control in shrimp and crab culture.

The application provides a light diesel tight-coupling SDPF high-efficiency flow-guiding distributed mixing device, the gas inlet end of the mixing device is connected with the gas outlet end of a DOC component, the gas outlet end of the mixing device is connected with the gas inlet end of an SDPF component, the DOC component and the SDPF component are arranged in a V shape; a nozzle base is arranged at the upper end of the mixing device, the nozzle base is used for mounting a urea nozzle, the urea nozzle is communicated with the inside of the mixing device; a flow guide plate is arranged in the inside of the mixing device, a dispersion breaking plate component is connected with the flow guide plate, and a cyclone plate is arranged at the outlet end of the mixing device. The mixing device can realize urea flow guiding and dispersion in a narrow space, improve the urea decomposition efficiency, realize the double-effect mixing effect of urea and soot, improve the uniformity of urea and soot distribution on the end surface of the SDPF, and prevent the urea from being directly injected to the bottom of the SDPF and deposited in the bottom in a compact space.

The utility model discloses a kind of multi-shaft straw deep injection still field machines, including protective buckle cover, outer drive assembly and retarder, the retarder is installed to the top of the protective buckle cover, the outer drive assembly is installed to the side of the protective buckle cover, the output shaft of the retarder is connected to the outer drive assembly, the protective buckle cover is in installed with the conveying and crushing assembly of V-shaped arrangement, the conveying and crushing assembly's both sides are respectively provided with flail roller and deep plough roller, the conveying and crushing assembly includes upper crushing strip frame, lower crushing strip frame, a plurality of air conveying and crushing roller are rotatably installed on the upper crushing strip frame and the lower crushing strip frame, upper conveying and crushing transmission assembly is installed on the upper crushing strip frame. Advantageous effect lies in: deep injection still field of surface straw can be realized one-time, it is beneficial to straw completely remaining in soil, and particle uniform decomposition is fast, increase soil organic matter content, need not secondary plough bury, improve straw still field efficiency.

The application discloses a whole installation and dismounting construction method of a diamond-shaped cable tower assembly type closure section formwork without support, and comprises the following steps: S1, processing closure section arch member, bottom die and bracket in a rear field; S2, transporting the closure section arch member, bottom die and bracket to a construction site and assembling the closure section arch; S3, pre-burying operation platforms and bracket pre-buried parts; S4, removing the inside formwork of the tower column and the climbing frame; S5, installing the operation platforms and brackets on the pre-buried parts; S6, installing the closure section arch and the bottom die on the bracket; S7, reinforcing steel bar binding, installing the formwork and then pouring the closure section concrete; and S8, integrally removing the closure section arch and integrally lowering the closure section arch through a hoisting device. Compared with the traditional landing type support method of 'from bottom to top and piece by piece installation', the scheme adopts the assembly type closure section arch, is integrated in place, is formed at one time, is integrally lowered, changes the working site from high-altitude construction to ground construction, is safe and controllable, and the number of high-altitude operation personnel and operation time are greatly reduced.

The utility model relates to physical sterilization and insect killing equipment for a greenhouse, and aims to solve the technical problem that pesticide is used for killing insects in the greenhouse, and the residual is serious. According to the technical scheme, the device comprises an acceleration air pipe module, an ionization air generator module and a control module, an acceleration air pipe comprises a taper pipe small-opening straight pipe section, a taper pipe section and a taper pipe large-opening straight pipe section and is fixedly arranged in a shell, and the ionization air generator module comprises an ionization air generator shell, a second axial flow fan and an ionization air generator assembly. The ionization air generator shell is fixedly arranged on the top face of the outer shell, the ionization air generator assembly is fixedly arranged in the ionization air generator shell, the two axial flow fans are arranged at inlets of the ionization air generator shell and the outer shell respectively, and the control module comprises a controller, a clock and a timer. The controller is electrically connected with the two axial flow fans and the ionization air generator assembly. Pesticide residues of fruits and vegetables can be greatly reduced, and safe and effective effects can be achieved by applying pesticide according to set time and dosage.

The invention belongs to the technical field of analysis and testing of impurities in high-purity samples, and particularly relates to an ICP-MS (Inductively Coupled Plasma Mass Spectrometry) detection method for trace impurities in high-purity yellow phosphorus. Through accurate weighing of a yellow phosphorus sample and a mixed acid-microwave digestion technology, the sample is rapidly dissolved under high-temperature and high-pressure conditions, and the sample is diluted and then directly detected on a machine; the yellow phosphorus sample pretreatment and on-machine measurement efficiency is improved. The method mainly comprises the following steps: S1, weighing a yellow phosphorus sample; s2, sample digestion; and S3, ICP-MS machine detection is carried out. According to the method, a yellow phosphorus sample is digested by adopting a mixed acid-microwave digestion method and then is detected by adopting an ICP-MS (Inductively Coupled Plasma Mass Spectrometry), and a proper amount of oxalic acid is added into the digested nitric acid, so that elements such as impurities As, Mg, Na, Ca and Fe in the yellow phosphorus sample can be effectively dissolved and released within a short time; in the detection process, a collision reaction tank mode is adopted to eliminate element interference, 23 trace impurity elements can be detected at the same time, the detection efficiency is high, the detection time of each batch of samples is shortened to be within 4 h, and the detection limit of each element is reduced to 10 ppt or below.

The utility model relates to heating furnace technical field especially relates to a heating furnace isolated heating pad piece. The utility model adopts the technical scheme: including the cylindrical main body isolated assembly seat of the front -back direction of center axis, the main body isolated assembly seat is made of Cr25Ni20 material, the position of center axis of main body isolated assembly seat is equipped with the cylindrical center assembly combination hole of front -back direction through -penetration, the right side of center assembly combination hole is equipped with the safety heat -resistant cooperation groove of whole right side and front -back direction through -penetration, the inside and outside lateral edge position of safety heat -resistant cooperation groove is equipped with safety avoids the round angle respectively, the upper end of safety heat -resistant cooperation groove is equipped with the first stable cooperation groove of front -back even distribution. The utility model has the advantages of: when using, the space utilization of heating furnace can be improved, the mutual non -influence of mutual superposition pad piece use can be realized, and the heating is more uniform, the safety of mechanical product when heating is better, and the life is longer when using.

The invention discloses a planar multi-pole magnetic field decomposition method based on a genetic algorithm. Quantitative decomposition of multi-pole components of a magnetic field is realized by fitting constant coefficients in a two-dimensional complex magnetic potential expression in a Maxwell equation set. The method comprises the following steps: preprocessing a two-dimensional plane complex magnetic potential obtained by actual measurement / simulation to obtain an initial population of a genetic algorithm, selecting a proper population scale, crossover and mutation probabilities and a termination evolution algebra, constructing a fitness function based on an optimization target, and carrying out iterative calculation to obtain a global better decomposition result of a multipole magnetic field. And on the basis, least square method optimization is further carried out, and finally, a globally optimal multipole magnetic field decomposition result is obtained.

The utility model relates to the technical field of fireproof doors, in particular to a smoke isolation fireproof door which comprises a fireproof door frame, a fireproof door plate and a sealing assembly, a mounting groove is formed in the inner wall of the fireproof door frame, the fireproof door frame is rotationally connected with the fireproof door plate, and a containing groove is formed in the fireproof door plate; the sealing assembly is connected to a door plate of the fireproof door and comprises a plurality of isolation assemblies and protection assemblies, each isolation assembly comprises a telescopic device and an expansion sealing strip, and each protection assembly comprises a sealing plate, an inclined plate and a first elastic part. According to the fireproof door, smoke generated by a fire can trigger the smoke alarm, the smoke alarm can directly cut off power supply, and after power failure, the isolation assembly can push the expansion sealing strip to be close to the fireproof door frame to form a frame body used for blocking a gap between the fireproof door plate and the fireproof door frame. Harmful gas generated by fire disasters is prevented from spreading through the frame body.