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260results about How to "Solve pollution" patented technology

Method of preparing aluminum oxide-silicon carbide compound porous ceramic by aluminum-silicon industrial waste residues

The invention discloses a method of preparing aluminum oxide-silicon carbide compound porous ceramic by aluminum-silicon industrial waste residues. The primary raw materials comprise industrial waste residues, carbon powder, a pore forming substance and an adhesive. The aluminum oxide-silicon carbide compound porous ceramic is prepared by the following steps of mixing, drying, forming and sintering to obtain a final product. Treatment and high additional value utilization of the industrial waste residues are achieved. The prepared porous ceramic is remarkable in performance, and can be applied to the fields of filtration, sound isolation, heat isolation, fire fighting and the like. The method is simple in process flow and convenient for industrialized promotion; and the cost is good to control and the method has extreme economical value.
Owner:NORTHEASTERN UNIV CHINA

Geological disaster prediction method and system based on optimized PU-XGBoost model

The invention relates to a geological disaster prediction method and system based on an optimized PU-XGBoost model, and belongs to the technical field of geological disaster monitoring and risk assessment, and the method comprises the steps: obtaining multi-source data including InSAR deformation monitoring data and historical geological disaster point data, taking the historical geological disaster points and InSAR significant deformation points in the InSAR deformation monitoring data as a positive sample set P, and carrying out the prediction of the InSAR significant deformation points in the historical geological disaster points; a PU-Learning strategy of a Spy sample is introduced to construct a reliable negative sample system, an XGBoost hyper-parameter is optimized and searched in combination with introduction of a BTO optimization algorithm, an optimal hyper-parameter combination is obtained, and an optimal model is obtained through training of a positive sample set P and a negative sample set RN; and performing geological disaster susceptibility prediction and hierarchical mapping on the research area based on the optimal model, thereby realizing high-precision and high-reliability evaluation of the geological disaster susceptibility of the research area.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Needle pre-filling continuous production process for plastic medicine bottles

InactiveCN113246425AGuaranteed sterilityIncrease the stationDomestic articlesProcess engineeringIndustrial engineering
The invention belongs to the technical field of pharmaceutical equipment, and particularly relates to a needle pre-filling continuous production process for plastic medicine bottles. The process comprises the following steps of (1) tube blank extrusion, (2) tube blank transfer, (3) needle adding and bottle making, (4) filling, (5) injector piston adding and sealing, and (6) blanking. The needle pre-filling continuous production process for the plastic medicine bottles is a whole systematic process and covers a process from raw material conveying to final product conveying, compared with a traditional BFS process, a packaging process is characterized in that an injection needle adding station and an injector piston adding station are added and A-level air shower protection is added in a whole transferring process, functions of equipment are greatly increased, the quality of produced products is higher, the sterile safety of the products is better, and the problem of pollution possibly existing in a process from production to injection of medicines is fundamentally solved.
Owner:SHINVA MEDICAL INSTR CO LTD

A swing granulator seven-star roller and its mounting structure

The application relates to a swing granulator seven-star roller and a mounting structure thereof. The swing granulator seven-star roller and the mounting structure thereof comprise a seven-star roller body, the seven-star roller body is in a cylindrical working surface structure, seven convex granulation corners are uniformly arranged on the outer peripheral wall of the seven-star roller body, the working surfaces of the granulation corners are all arranged in arc structures, and the arc structures are matched with a screen of the swing granulator; a roller mounting mechanism, which comprises a rack, a bearing seat, a bearing arranged in the bearing seat and a rotating shaft penetrating through the bearing, the rotating shaft is connected with an end shaft of the seven-star roller body, the bearing seat is mounted on the rack, a material seepage discharge port is formed in the rack at the bottom of the bearing seat; and a sealing assembly, which is sleeved on the rotating shaft and located at the opening end of the bearing seat. The material can be more fully and uniformly extruded, the hardness of wet particles is effectively improved, the generation of fine powder after drying is reduced, the quality of granular products is improved, the dead angle residual of the material in the equipment is reduced, and the material waste is reduced.
Owner:KUNMING BANGYU PHARMA

Jaw crusher rack

The invention discloses a jaw crusher rack, and belongs to the technical field of jaw crusher racks, the jaw crusher rack mainly comprises a base plate, a left side plate, a rear plate, a right side plate and a front plate, the left side plate and the right side plate are symmetrically arranged above the base plate, and the rear plate and the front plate are clamped to the two ends of the left side plate and the two ends of the right side plate respectively to form a closed rack main body; second tenons are fixedly connected to the connecting position of the left side plate and the front plate and the connecting position of the right side plate and the front plate, and second mortises are formed in the connecting positions of the front plate and the second tenons. The machine frame has the beneficial effects that vibration transmission is weakened, part abrasion and scrap iron generation are reduced, the iron impurity mixing risk is reduced, the ore sand product purity is guaranteed, the overall strength and connection stability of the machine frame are improved, stress concentration is avoided, local part replacement can be achieved through modular design, and the production cost is reduced. The whole rack does not need to be replaced, so that the maintenance cost and shutdown loss are greatly reduced.
Owner:湖北巨石新材料科技有限公司

Material nozzle structure of filling machine

The utility model discloses a material nozzle structure of a filling machine, and particularly relates to the field of material nozzles, the material nozzle structure comprises a filling blanking nozzle, a cut-off assembly I is arranged in the filling blanking nozzle, a blanking nozzle cavity is fixedly arranged at the top of the cut-off assembly I, a self-cleaning mechanism is arranged at the top of the blanking nozzle cavity, and the self-cleaning mechanism is arranged at the bottom of the blanking nozzle cavity. A discharging pipe is arranged on one side of the discharging nozzle cavity in a penetrating mode, a second cutting-off assembly is arranged outside the discharging pipe, a check valve is arranged in the discharging pipe, and a feeding port is formed in one end of the discharging pipe in a penetrating mode. According to the utility model, the problem that honey is adhered to the blanking nozzle cavity and the filling blanking nozzle can be effectively solved, residual honey in the blanking nozzle can be automatically removed, blockage caused by drying and crystallization of the honey is prevented, and the pollution problem caused by bacteria breeding due to long-time residual honey in the blanking nozzle cavity and the filling blanking nozzle is prevented; meanwhile, the downtime caused by cleaning is remarkably shortened, the sanitary risk of the downtime caused by cleaning is remarkably reduced, the continuous production efficiency and the sanitary safety of products are guaranteed, and cross contamination is avoided.
Owner:SHOUGUAN (CHANGZHOU) INTELLIGENT TECH CO LTD

Method for preparing silicon-carbon electrode material by using coal-to-hydrogen by-product metal-rich residual carbon

The invention belongs to the field of high-value utilization of waste industrial products, and particularly relates to a method for preparing a silicon-carbon electrode material by using metal-rich residual carbon of a coal-to-hydrogen byproduct. According to the method disclosed by the invention, harmful light and heavy metal impurities in the metal-rich residual carbon can be removed, and meanwhile, the carbon-silicon composite porous structure and the endogenous graphene are synchronously generated. Due to the large surface specific surface area, the special hole structure and the enhanced conductivity of endogenous graphene, when the carbon structure is matched with hybrid silicon holes in the carbon structure to be used as electrodes of a super capacitor, a lithium ion battery and a sodium ion battery, the super capacitor, the lithium ion battery and the sodium ion battery can obtain very high electrochemical performance; and particularly, the material has excellent specific capacity and excellent rate capability.
Owner:CHANGZHOU UNIV

A method for preparing bio-fuel by low-temperature dechlorination of waste PVC coupled with biomass co-pyrolysis

ActiveCN117821132Bimprove qualityReduce the risk of corrosion damageBiofuelsLiquid carbonaceous fuelsPtru catalystBiofuel
The application discloses a method for preparing biofuel by low-temperature dechlorination of waste PVC and coupling biomass co-pyrolysis, which comprises the following steps: drying, crushing and screening waste PVC, and then performing low-temperature dechlorination in an inert atmosphere, wherein the carrier gas is inert gas, the dechlorination temperature is 340-380 DEG C, the dechlorination time is 20-40 min, and dechlorinated PVC is obtained; crushing and drying the dechlorinated PVC, and then mixing the dechlorinated PVC with biomass at a mass ratio of 0.1-10:1, and then heating and pyrolyzing at 500-700 DEG C for 20-40 min to obtain biofuel. The method achieves good dechlorination effect through step-by-step pyrolysis, and improves the quality of biofuel; the method has a simple process flow, does not need to add any catalyst and adsorbent, and has a good industrial application prospect.
Owner:SHANDONG FENGYUAN BIOMASS POWER CO LTD

Uniform flow field hard alloy anodic oxidation device

ActiveCN224077571Uevenly distributedStable circulating liquid flow fieldAnodisationCellsAlloyCemented carbide
The utility model discloses a uniform flow field hard alloy anodic oxidation device which comprises a tank body and oxidation anodes, the oxidation anodes are installed on two side plates of a tank chamber of the tank body, a liquid homogenizing cavity pore plate and a backflow cavity pore plate are fixedly installed at the front end and the rear end of the tank chamber of the tank body respectively, and an adjusting pore plate is adjustably installed on the liquid homogenizing cavity pore plate; the liquid uniformizing cavity pore plate and the end plate at the corresponding end of the tank body define a stirring and liquid uniformizing cavity, and a stirrer is arranged in a cavity body of the stirring and liquid uniformizing cavity; a backflow cavity is defined by the backflow cavity pore plate and an end plate at the corresponding end of the tank body, and the backflow cavity leads to the stirring and liquid homogenizing cavity through a circulating pipeline; and a movable anode scraping plate is arranged on the oxidation anode. The liquid uniformizing holes in the liquid uniformizing cavity pore plate correspond to the liquid uniformizing adjusting holes in the adjusting pore plate in a one-to-one mode, and the adjusting pore plate is adjustably installed on the liquid uniformizing cavity pore plate through pore plate adjusting bolts. The device can form a stable liquid flow field in the tank, ensures uniform distribution of metal ions, and is particularly suitable for precise anodic oxidation treatment of hard alloy.
Owner:WUXI QIANGXING SURFACE ENGINEERING EQUIPMENT CO LTD

An integrated biomass carbonization and powder production device

The utility model discloses an integrated biomass carbonization powder making device, the device includes: raw material storage, connecting hopper, through the hopper and send biomass material to the discharge gas heat recovery storehouse, the discharge gas heat recovery storehouse is sent to carbonization powder integrated equipment after heating to biomass material through the discharge gas, carbonization powder integrated equipment carries out the grinding and heating treatment to biomass material through the coal mill, and the granularity of the material that satisfies the first condition is sent to the baking pipe by hot air, carries out the baking treatment in the baking pipe, and the powder material that satisfies the second condition after baking is sent to the filter by hot air, the filter transmits the powder material after filtering to the gasification furnace through the conveying equipment, and the filtered gas is output to the discharge gas heat recovery storehouse and inert gas generator through the gas circulation pipeline, the inert gas generator is connected with carbonization powder integrated equipment, and the heated gas is output to the coal mill and the baking pipe respectively.
Owner:CHANGZHENG ENG

A wine storage tank for wine production

This utility model discloses a wine storage tank for wine production, comprising: a stainless steel seal, including a fixed layer plate fixedly connected to the inner wall of the storage tank, a limiting shaft fixedly sleeved inside the fixed layer plate, a sealing cover plate movably sleeved on the outer wall of the limiting shaft, an internal gear ring fixedly connected to the top of the sealing cover plate, and a gear meshing on the inner wall of the internal gear ring. By setting a double-layer structure of a stainless steel top cover and a clay top cover at the top of the storage tank, the stainless steel top cover provides strong sealing, blocking the exchange of gases between the inside and outside when absolute sealing is required, thus preventing oxidation of the wine and external contamination. The clay top cover, relying on the microporous characteristics of its material, allows for natural ventilation when the wine needs to be breathable for aging, without the need to fully open the lid. Simultaneously, the double-layer design allows for flexible switching between usage scenarios, and individual opening is convenient and labor-saving for cleaning and maintenance, effectively solving the problems of traditional wine storage tanks where sealing and ventilation requirements are difficult to balance, and where opening the lid easily leads to wine loss and contamination.
Owner:HUNAN CONVINCE TECHNOLOGY CO LTD

A method for in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste

PendingCN122076421Acompletely absorbedWide variety of sourcesCatalyst activation/preparationCement productionSlurryVisible light photocatalytic
This invention relates to a method for in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste. The technical solution is as follows: vanadium-containing solid waste is ground into powder, and the resulting vanadium-containing solid waste powder is mixed with vanadium pentoxide powder. The resulting vanadium-containing geopolymer precursor is mixed with an alkaline activator and stirred evenly to obtain a vanadium-containing geopolymer slurry. The vanadium-containing geopolymer slurry is placed in a mold, cured, demolded, cured a second time, and crushed to obtain a crushed vanadium-containing geopolymer. The crushed vanadium-containing geopolymer is mixed with deionized water to obtain a vanadium-containing geopolymer aqueous solution. Bismuth nitrate solution is added to the vanadium-containing geopolymer aqueous solution, mixed evenly, and the pH value is adjusted. A hydrothermal reaction is then carried out. Solid-liquid separation, washing, and drying are performed to obtain the visible light photocatalytic geopolymer. This invention can efficiently utilize low-vanadium content and completely eliminate vanadium. The in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste not only effectively decomposes organic pollutants under visible light conditions but also effectively fixes vanadium in the vanadium-containing solid waste.
Owner:WUHAN UNIV OF SCI & TECH

Environment-friendly zinc sulfide nanoparticles, preparation method and application thereof

The application relates to the technical field of semiconductor nanomaterials, and discloses an environment-friendly zinc sulfide nanoparticle as well as a preparation method and application of the zinc sulfide nanoparticle. The preparation method comprises the following steps: (1) activating Aspergillus oryzae spores, performing liquid fermentation, filtering the liquid fermentation product, washing, collecting solid substances, and obtaining biomass; (2) culturing the biomass in the step (1) in a ZnSO4.7H2O aqueous solution to obtain an Aspergillus oryzae liquid solution containing zinc sulfide nanoparticles; (3) drying the liquid solution obtained in the step (2) to obtain Aspergillus oryzae precipitate containing zinc sulfide nanoparticles; and (4) heating the precipitate in the step (3) at 400-450 DEG C for 4-6 h to obtain zinc sulfide nanoparticles. The application endows the zinc sulfide nanoparticles with excellent biocompatibility, expands the application of the zinc sulfide nanoparticles in the fields of biomedicine, chemical sensors, solar cells and light-emitting diodes, and provides a reference for the environment-friendly and batch production of the zinc sulfide nanoparticles.
Owner:JIANGXI UNIVERSITY OF FINANCE AND ECONOMICS

Cleaning device for repairing communication equipment

The utility model provides a cleaning device for repairing communication equipment, and relates to the technical field of communication equipment. The cleaning device for repairing the communication equipment comprises a box body, a cleaning mechanism used for cleaning the communication equipment is arranged in the box body, a rotating mechanism used for enabling the communication equipment to rotate is arranged in the box body, the cleaning mechanism comprises a filter plate and a connecting pipe, the filter plate is fixedly installed in the box body, and the connecting pipe is connected with the filter plate. And the connecting pipe is fixedly mounted on the lower surface of the box body. According to the cleaning device for repairing the communication equipment, the cleaning mechanism is arranged, and the problems that according to an existing cleaning device, used cleaning liquid is generally difficult to recycle, a large amount of cleaning liquid is directly discharged after being used once, and consequently water resources and cleaning agents are wasted are solved; the problems that the repair cost is increased, and the surrounding environment is possibly polluted are solved, and the beneficial effects that the cleaning liquid can be recycled, resources can be saved, and the repair cost can be reduced are achieved.
Owner:HAIDA ELECTRONICS TIANJIN

Method and apparatus for the production of zirconia from biomass energy sources for zirconia oxychloride

The present application relates to a kind of biomass energy for zirconium oxychloride preparation zirconium oxide method and device, preparation method includes the following steps: first air purge the reaction furnace 4~8h, then into the reaction furnace and passes into biomass gas, after ignition control reaction furnace gradually heated to 800~1000 ℃, then zirconium oxychloride is placed in the reaction furnace, calcination 14~18h, obtain zirconium oxide.The device includes biomass gasifier, reaction furnace, hydrochloric acid absorption tower and flue gas absorption tower.The present application uses biomass as clean energy, burning efficiency is high, compared with traditional coal process, energy consumption is greatly reduced, significantly reduce carbon emissions, while nitrogen, sulfur content in flue gas is greatly reduced, easy to reach environmental protection emission standard, effectively solve the pollution problem of traditional process.
Owner:乐昌东锆新材料有限公司

Online closed sampling device for toxic gases

ActiveCN224636257Uavoid poisoning risksolve pollution
This utility model relates to the field of toxic gas sampling technology, and is an online closed sampling device for toxic gases. It includes a transparent box, a box support, an air inlet assembly, and protective gloves. The box support is located at the bottom of the transparent box. The air inlet assembly includes a first straight pipe section, a second straight pipe section, an air inlet hose, and a gas connection hose. An air inlet hole is provided on the top wall of the transparent box. The first straight pipe section extends from the outside of the transparent box through the air inlet hole into the interior of the transparent box. A hand valve is fixedly installed on the second straight pipe section. The front wall of the transparent box is designed with symmetrical double doors, including a left door and a right door. The left and right doors each have symmetrical left and right hand holes, and protective gloves are fixedly installed in both the left and right hand holes to reach into the transparent box. This utility model has a reasonable and compact structure, is easy to use, and improves both the safety and efficiency of online toxic gas sampling.
Owner:XINJIANG ZHONGTAI CHEM FUKANG ENERGY CO LTD +1

Abrasion prediction method for non-contact grinding high-temperature alloy taper hole of CBN grinding wheel

The invention discloses a CBN grinding wheel non-contact type grinding high-temperature alloy taper hole abrasion prediction method, and relates to the technical field of state monitoring and intelligent prediction in the precise grinding machining process. The method mainly comprises the following steps: calibrating a dynamic contact arc acoustic propagation model by using a system identification method to obtain dynamic geometric parameters, and constructing acoustic-vibration geometric coupling characteristics in combination with multi-mode signals in a grinding process; correcting the acoustic-vibration geometric coupling features by using a maximum mean difference algorithm and an adaptive window algorithm, training a wear prediction model by using the corrected acoustic-vibration geometric coupling features, and performing regression analysis on the corrected acoustic-vibration geometric coupling features by using the trained wear prediction model to obtain a prediction result. According to the grinding wheel abrasion prediction method for high-temperature alloy taper hole grinding, the adaptability, robustness and sensitivity of abrasion state characterization under complex variable working conditions can be improved.
Owner:WUHAN DIGITAL DESIGN & MANUFACTURING INNOVATION CENTER CO LTD +1

Sucrose-polymer composite hard carbon and a preparation method thereof

This invention discloses a sucrose-polypropylene composite hard carbon and its preparation method, belonging to the technical field of sodium-ion battery anode materials. The preparation method of the composite hard carbon includes using sucrose as a raw material, first preparing a precursor, mixing it with polypropylene, ball milling it, pre-oxidizing it at low temperature, and then carbonizing it at high temperature. The closed-pore volume of the material of this invention increases, the interlayer spacing expands, and the packing density of the material increases, thereby improving the energy density of the material. The reversible specific capacity of the hard carbon material of this invention can be increased from the initial 271 mAh g. ‑1 Increased to 387mAh.g ‑1 The capacity ratio in the low-voltage plateau region can be increased from 54% to 64%. Under optimal process conditions (M-SC:PP = 2:1, pre-oxidation at 330℃), the sucrose-polypropylene composite hard carbon prepared at 100 mA g... ‑1 It still retains 240mAh after 300 cycles. ‑1 Its capacity is far higher than that of directly calcined sucrose-based hard carbon materials (100 mAh / g). ‑1 The material exhibits good cycle stability and rate performance.
Owner:CHENGDU ORGANIC CHEM CO LTD CHINESE ACAD OF SCI

Recombinant macrolide enzyme as well as preparation method and application thereof

According to the scheme, the recombinant macrolide enzyme and the preparation method and application thereof are provided, the amino acid sequence of the recombinant macrolide enzyme is shown as SEQ ID NO.1, and the recombinant macrolide enzyme is obtained by site-directed mutagenesis of an erythromycin esterase family protein sequence derived from enterobacter hormaechei; the mutation sites are as follows: the 44 glutamic acid is mutated into asparagine, the 55 tyrosine is mutated into proline, the 153 proline is mutated into alanine, and the 219 serine is mutated into glutamic acid, so that the specific macrolide lactonase which is efficient, stable, easy to prepare on a large scale and more suitable for environmental requirements is prepared, and macrolide antibiotic pollution is removed; and the method has good economic benefits and practical values.
Owner:浙江泰林生命科学有限公司

An easy-to-clean writing board

This utility model relates to the field of writing tablet technology and discloses an easy-to-clean writing tablet, including a writing tablet body. A connecting block is fixedly connected to the outer wall of the writing tablet body. A sliding block is fixedly connected to the outer wall of the connecting block. A support block is slidably connected to the outer wall of the sliding block. A support plate is fixedly connected to the lower surface of the support block. A motor is fixedly connected inside the connecting block. A gear is fixedly connected to the output end of the motor. A slide rail is fixedly connected to the inner wall of the connecting block. A sliding assembly is provided on the inner wall of the connecting block. The sliding assembly includes a second sliding block, a rack, and a scraper. The outer wall of the second sliding block is slidably connected to the inner wall of the connecting block. In this utility model, the motor drives the gear to rotate, causing the rack to drive the second sliding block to slide on the slide rail. The second sliding block drives the scraper to slide on the writing tablet body. Symmetrical scrapers are provided on both sides of the writing tablet body.
Owner:JINJIANG HONGSHUN CHILDRENS PROD CO LTD

Microbial composition, complex microbial inoculant and application thereof

ActiveCN121362663BRealize full life cycle protectionSolve the problem of preventing and controlling rice blast diseaseBiocideFungiBiotechnologyMicrobial agent
The present application relates to the technical field of microorganism, and particularly relates to a microbial composition, a compound microbial agent and application.The microbial composition of the present application comprises Bacillus amyloliquefaciens, Bacillus brevis and Trichoderma harzianum, the microbial composition of the present application can simultaneously prevent and treat rice seed production process rice blast and storage process aspergillus flavus pollution, realize the whole life cycle protection of rice seed from production to storage, solve the problem that different agents need to be used to prevent and treat rice blast and aspergillus flavus pollution in the prior art.In addition, the compound microbial agent containing the microbial composition is safe, efficient, environmentally friendly, can replace chemical pesticides, reduce environmental pollution and pesticide residues, and the preparation method is simple, easy to industrial production, and has wide application prospect.
Owner:BEIJING LANTU TECH CO LTD

Hollow silver-platinum nano-alloy particles, and preparation method and application thereof

PendingCN122500185Aunique hollow structureLarge specific surface area
This invention discloses hollow silver-platinum nanoalloy particles, their preparation method, and applications. The silver-platinum nanoalloy particles have a particle size of 30-60 nm, an overall hollow structure, and a porous surface distribution of silver and platinum fused together. The preparation method includes: using epigallocatechin gallate as the sole reducing agent and stabilizer, reducing silver nitrate in ethylene glycol to prepare monodisperse silver nanoparticles; then, at 60-80°C, slowly adding chloroplatinic acid solution in batches to the silver nanoparticle solution to carry out an in-situ exchange reaction; after the reaction, washing and separation yields the final product. This invention provides a green, simple, mild, and highly controllable preparation method. The prepared silver-platinum nanoalloy particles simultaneously possess excellent nanozyme catalytic activity and high-sensitivity surface-enhanced Raman scattering performance, achieving integrated synergistic catalytic and detection functions. It has broad application prospects in food safety testing, environmental monitoring, and biosensing.
Owner:NANTONG UNIV

A grouting material for coal and rock fractures suitable for long-distance transportation and its preparation method

This invention belongs to the field of mining engineering and geotechnical reinforcement technology, and discloses a coal and rock mass fracture grouting material suitable for long-distance transportation and its preparation method. The cement:fly ash:water ratio provided by this invention is 2:8:10. Experimental verification shows that it meets the performance requirements of grouting materials, with a grouting strength >1MPa meeting engineering requirements, and an initial setting time of 27h10min meeting the requirements for long-distance transportation. Furthermore, in terms of engineering cost, it utilizes waste fly ash from power plants to replace 80% of the cement, significantly reducing the cost of grouting materials and solving the environmental pollution problem caused by fly ash stockpiling. This invention can be considered the preferred mix ratio for grouting and roof reinforcement projects in coal mines directly overlying caving zones.
Owner:安徽省煤田地质局第三勘探队 +1

High embankment modified reinforced surface soil slope flexible protection structure and stability estimation method

ActiveCN118166800BDoes not affect stability and safety factorImprove applicability
This invention discloses a flexible protection structure for modified and reinforced surface soil slopes of high-fill embankments and a method for stability prediction. The protection structure includes a multi-level platform slope and a drainage structure. The top of each platform is a flexible retaining structure, which is constructed in layers of low-dosage modified soil. Each layer of low-dosage modified soil is wrapped by a layer of geogrid. Vertical steel beams for support are installed inside the flexible retaining structure at the toe of the slope. The slope of the multi-level platforms is filled with high-dosage modified soil. The drainage structure includes a mesh-like water collection and interception structure, T-shaped drainage pipes, and drainage boards. This invention fully utilizes the skeletal function of the slope protection structure, the erosion and softening prevention function of the drainage structure, and the flexible retaining structure to protect high-fill embankment slopes in hot and humid southern regions under the premise of low construction cost, fast construction speed, and guaranteed construction quality.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

A biological drying method for sludge

This invention discloses a method for the biological drying of sludge, comprising the following steps: baking biomass materials, mixing the resulting baked product with sludge, biochar materials, and a conditioner for biological drying, thereby completing the sludge drying process. In this invention, by biologically drying the mixture of baked product, sludge, biochar materials, and conditioner, not only can the self-generated heat within the system be used to effectively dewater the sludge in a very short time, but the bioavailability of the microbial carbon source can also be improved, effectively reducing the generation of polluting gases. This method can effectively reduce the emission of polluting gases while achieving rapid dewatering. It has advantages such as simple process, low treatment cost, low energy consumption, high drying efficiency, good dewatering effect, low polluting gas production, and low content of toxic and harmful components in the dried product. It can solve the problems of biomass resource waste and pollution, achieve sludge reduction and resource utilization, and has high returns and good application prospects.
Owner:HUNAN ACAD OF FORESTRY

Photodegradable braided bag

ActiveCN224349430UAchieve photodegradation effectsolve pollutionFlexible coversWrappers
The utility model relates to the technical field of the woven bag of photodegradable, specifically is a kind of woven bag of photodegradable, including woven bag body, the woven bag body includes weaving layer, preservative layer and photodegradation layer mechanism, the preservative layer is arranged at the inboard of weaving layer, the photodegradation layer mechanism is arranged at the outside of weaving layer;The utility model is provided with preservative layer, weaving layer and photodegradation layer mechanism by woven bag body, weaving layer is made of biodegradable synthetic polyester material, biodegradable synthetic polyester material is easy to photooxidation and degradation under light and aerobic environment, the photocatalytic layer of photodegradation layer mechanism uses the photocatalyst of polylactic acid as matrix addition light initiator iron stearate and titanium dioxide synthesis, when woven bag body in light environment, ultraviolet light will accelerate free radical reaction, and then reaches the effect of woven bag photodegradation, solves the problem of environmental pollution caused by the difficulty of degradation of woven bag in prior art.
Owner:温州智业包装有限公司

Molybdenum oxide-molybdenum disulfide@polytannic acid electrode materials, their preparation methods and applications

This invention belongs to the field of supercapacitor technology, specifically relating to a molybdenum oxide-molybdenum disulfide@polytannic acid electrode material, its preparation method, and its applications. Using molybdenum foil as the current collector and electrode, this invention prepares a molybdenum oxide-molybdenum disulfide electrode using electrochemical oxidation and hydrothermal methods. A polytannic acid coating is deposited on its surface to prepare a biodegradable molybdenum oxide-molybdenum disulfide@polytannic acid electrode. This electrode is then sandwiched with a biodegradable gel electrolyte and encapsulated with a biodegradable encapsulation material to construct a biodegradable supercapacitor with self-discharge suppression capabilities. By depositing a polytannic acid coating on the surface of the supercapacitor electrode, its self-discharge behavior is suppressed. The polytannic acid coating can prevent parasitic Faraday reactions of impurity ions on the electrode surface and prevent charge transfer, thereby suppressing the capacitor's self-discharge behavior. Simultaneously, the electrode, electrolyte, and encapsulation material can all degrade in simulated body fluids, potentially opening up applications in implantable medical electronic devices.
Owner:ANHUI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE

Preparation method and application of livestock breeding feed taking fruit wine residues as raw materials

PendingCN121774139Aemission controlImprove availabilityBioreactor/fermenter combinationsBiological substance pretreatments
The invention discloses a preparation method and application of a livestock breeding feed using fruit wine residues as raw materials, which are applied to the field of feed preparation, and aims to solve the problems of low resource utilization rate of fruit wine residues, waste of feed resources, low breeding benefits and the like. According to the method, fruit wine residues are pretreated and precisely compounded, a mineral adsorbent is added to optimize a structure so as to carry out mixing and tempering, multi-stage synergistic fermentation and dynamic regulation and control of a fermentation process, and intermittent stirring and weak forced ventilation are carried out during regulation and control; through the raw material classification and blending, the conditioning technology and the multi-stage synergistic fermentation technology, harmful gas emission in the fermentation process is effectively controlled, the stable fermentation environment is maintained, and the utilization rate of protein and microelements in the feed is remarkably increased; the fruit wine residues which are originally difficult to treat are converted into the high-quality livestock feed with balanced nutrition, so that wine brewing byproducts are turned into wealth, and the problem of environmental pollution caused by wastes is solved.
Owner:TIANJIN ANIMAL DISEASE PREVENTION & CONTROL CENT +1

Improved red sandstone roadbed filler based on multi-source solid waste and mixing ratio optimization method

ActiveCN121225974Breduce water sensitivityImprove physical and mechanical propertiesSolid waste managementComputational materials scienceEconomic benefitsProcess engineering
The application discloses a kind of based on multiple-source solid waste's improved red sandstone roadbed filler and mix proportion optimization method, belong to the field of red sandstone filler green low carbon improvement.Improved red sandstone roadbed filler is red sandstone as improved matrix, with match calcium carbide slag, rice husk ash, fly ash as cementing component preparation, wherein calcium carbide slag provides calcium source and alkaline environment, rice husk ash provides silicon source, fly ash provides aluminum source, three reactions occur in alkaline environment and generate abundant cementing products, realize red sandstone improvement.At the same time, with three cementing component contents as design variable, with bearing ratio, unconfined compressive strength, water stability coefficient as road evaluation index, construct road performance response model, through multi-index optimization, clear cementing component optimization ratio range.The method can exert the synergistic effect of multiple-source solid waste chemical composition, can be optimized according to different application scene performance requirements Ratio, realize red sandstone efficient improvement and multiple-source solid waste high-value utilization, with economic benefit and environmental benefit.
Owner:ANHUI ROAD & BRIDGE GRP +1

Wafer lifting device and semiconductor equipment

The utility model relates to the technical field of semiconductors, and discloses a wafer lifting device and semiconductor equipment, the wafer lifting device comprises a lifting mechanism, a plurality of ejector pin units and a separator, the lifting mechanism comprises a lifting platform and a driving member connected with the lifting platform, the driving member is used for driving the lifting platform to lift along the height direction, and the ejector pin units are arranged on the lifting platform. The plurality of ejector pin units are arranged on the lifting platform at intervals, each ejector pin unit comprises a fixer and a lifting supporting piece, the fixer is arranged on the lifting platform, the lifting supporting piece is arranged on the fixer and used for supporting a wafer, and the isolation piece is arranged at one end, facing the lifting platform, of the lifting supporting piece. The isolation piece is used for isolating the lifting supporting piece from the lifting platform. According to the wafer lifting device, the isolation piece is arranged between the lifting supporting piece and the lifting platform, so that direct contact and abrasion between the lifting supporting piece and the lifting platform are effectively reduced, the service life is prolonged, meanwhile, particle pollution caused by abrasion between the lifting supporting piece and the lifting platform is reduced, and the process quality of wafers is guaranteed.
Owner:CHENGDU HIGH-TECH JIN SCI&TECH CO LTD